TRANSFER SYSTEM HAVING AN INJECTION DEVICE INTEGRATED IN FEED TABLE

Abstract

A transfer system which can be used in a flexible manner for transporting or processing, respectively, profiles, in which the injection device comprises a mold for receiving the profile during the injection, wherein the mold has at least two contour parts and the injection device has a closing unit for opening/closing the contour parts, wherein the closing unit is configured for keeping the contour parts open until the profile is enclosed by the contour parts, and wherein the transportation device is configured for moving, preferably not rotating, the profile exclusively parallel to the transportation path, wherein the closing unit and the injection device are assembled so as to be displaceable conjointly with the first feed table, and the first feed table in the direction of the transportation path is displaceable so far until the contour parts enclose the profile.

Claims

1. A transfer system for transporting and for processing profiles, comprising a transportation device for transporting the profile on a transportation path, a first feed table which is displaceable relative to the transportation path and/or to the profile being displaced on the transportation path, and an injection device for producing an injection-molded end, of a further profile portion, of a positioning pin, and/or for connecting the profile to a further profile portion, wherein the transportation device is configured for positioning the profile on the transportation path in a processing position for processing the profile by the injection device, wherein the injection device comprises a mold for receiving and mounting the profile during the injection and for configuring the cavity to be filled during the injection, wherein the mold has at least two contour parts for enclosing the profile in the part to be injection-molded during the injection and for configuring the cavity, and wherein the injection device has a closing unit for opening and closing the contour parts, wherein the closing unit, when moving the first feed table relative to the profile, is configured for keeping the contour parts open until the profile is enclosed by the contour parts, and wherein the transportation device is configured for moving the profile, in the region of the processing position, exclusively parallel to the transportation path, wherein the closing unit and the injection device are assembled so as to be displaceable conjointly with the first feed table, and the first feed table in the direction of the transportation path and/or of the profile is displaceable until the contour parts in the closed state can enclose the profile in the part to be injection-molded.

2. The transfer system according to claim 1, wherein the closing unit comprises at least one closing installation which is pivotable about an axis, wherein the closing installation has at least one holding device for keeping the contour parts tight and/or closed during the injection.

3. The transfer system according to claim 2, wherein the at least one holding device has at least one pneumatic cylinder as a contact pressure device, said pneumatic cylinder being configured for exerting a contact pressure on one of the contour parts.

4. The transfer system according to claim 1, wherein the contour parts are movable by way of a common drive device which is disposed on that side of the first feed table that faces the transportation path.

5. The transfer system according to claim 4, wherein the drive device comprises at least one control ring which is connected in a rotationally fixed manner to at least one entrainment pin.

6. transfer system according to claim 4, wherein the drive device comprises a motor for driving and/or rotating the control ring.

7. The transfer system according to claim 5, wherein the at least one closing installation for displacing at least one of the contour parts, comprises at least one slide which is coupled to at least one of the contour parts.

8. The transfer system according to claim 7, wherein the at least one control ring and the at least one slide are in each case coupled to one another by way of a control groove and an entrainment pin that engages in the control groove.

9. The transfer system according to claim 7, wherein the at least one control ring in the center has a clearance, wherein the first feed table is displaceable such that the profile positioned in the processing position is introduced into the clearance and on that side that lies opposite the transportation path is able to be received in the mold.

10. The transfer system according to claim 1, further comprising at least one second feed table, which comprises a cutting tool for trimming the profile and/or a bending device and which is displaceable relative to the transportation path and/or to the profile being displaced on the transportation path is, provided along the transportation path.

11. The transfer system according to claim 1, wherein the first feed table aside from the injection device also comprises at least one further tool so as to enable a further processing step in the processing position of the profile provided during the injection.

12. The transfer system according to claim 1, wherein the processing profiles are door seal profiles for motor vehicles.

13. The transfer system according to claim 1, wherein the first feed table is displaceable perpendicularly to the transportation path and/or to the profile being displaced on the transportation path.

14. The transfer system according to claim 2, wherein the closing unit comprises two closing installations.

15. The transfer system according to claim 1, wherein the at least one closing installation is pivotable about an axis perpendicular to the displacement direction of the first feed table.

16. The transfer system according to claim 7, wherein the at least one slide is a wedge-shaped slide.

17. The transfer system according to claim 10, wherein the second feed table is displaceable perpendicularly to the transportation path and/or to the profile being displaced on the transportation path.

18. The transfer system according to claim 11, wherein the at least one further tool is a cutting tool for trimming the profile and/or a bending device.

Description

BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Exemplary embodiments of the present invention are illustrated in the drawings and will be explained in more detail hereunder by stating further details and advantages.

[0026] FIG. 1 shows a schematic illustration of the transfer system (with unpopulated feed tables);

[0027] FIG. 2 shows an illustration of the injection device for a feed table;

[0028] FIGS. 3 and 4 show an illustration of the closed or opened mold, respectively;

[0029] FIG. 5 shows an illustration of the drive device having control rings; and

[0030] FIG. 6 shows the closing installations having pivoted holding devices in the form of pneumatic cylinders.

DETAILED DESCRIPTION OF THE INVENTION

[0031] FIG. 1 shows a schematic illustration of the transfer system 1 having the transportation device 2 for transporting the profile along the transportation path 3, the latter here being indicated by an arrow in FIG. 1. Feed tables 4 are disposed laterally of the transportation path 3 or the transportation device 2, respectively, the feed tables 4 in turn being able to be displaced in relation to the transportation path 3 or to the transportation device 2, respectively, thus perpendicularly to the transportation path 3, by way of the guides 5. The transportation device 2 in turn comprises clamping devices 6 for clamping the profiles during transportation. In order for both profile end portions to be processed, the feed tables are also disposed on both sides of the transportation path 3. Moreover, different feed tables 4 are provided in succession in terms of the transportation path 3.

[0032] For the purpose of visualization, the feed tables 4 in FIG. 1 are not equipped with a tool or an injection device, respectively. The injection device 7 in turn is separately illustrated in FIG. 2. This injection device 7 first comprises the actual injection-molding tool 8 which possesses a fixed injection apparatus 9 which is configured so as to be short in order to be accommodated on the feed table without being moved. The mold 10 into which the plastics material compound is in turn injected is in turn attached below the injection apparatus 9. An assembly wall separates the side on which the transportation path 3 is situated from the side on which the injection device 7 is in turn situated. The injection device 7 in turn comprises a closing unit 12 which comprises a total of two closing installations 13 which in each case have two holding devices 14, wherein the holding devices 14 are configured as pneumatic cylinders. The closing installations 13 furthermore comprise guides, for example, by way of which the pneumatic cylinders 14 are held and by way of which a contact pressure can be exerted on the contour parts 15 of the mold 10. In this way, the contour parts can also be held together during the injection molding.

[0033] The drive device 16 is partially mounted in the assembly plate 11 which firstly has the control ring 17. The control rings 17 are in each case provided with a clearance 18 through which the profile P can be introduced into the region of the mold 10. The displacement direction 19 of the feed table 4 is indicated by the arrow in FIG. 2; the feed table 4 is displaced in this displacement direction 19 until the feed table 4 receives the profile P in the clearance 18. The contour parts of the mold 10 are correspondingly moved by way of the control rings 17.

[0034] The opening of the mold is illustrated once again in detail in FIGS. 3 and 4. The mold here comprises the contour parts 15a, 15b which are illustrated in the opened state in FIG. 3. The contour parts 15a, 15b bear on the wedge-shaped slides 20a, 20b. The contour parts 15a, 15b are mounted such that, in a movement of the slides 20a, 20b, the contour parts 15a, 15b by way of the wedge are displaced perpendicularly to the movement of the slides 20a, 20b.

[0035] FIG. 4 shows the difference between a closed and an opened mold 10.

[0036] The control rings 17 as part of the drive device 16 are once again illustrated in FIG. 5, and the profile P is pushed through the clearance 18 and thus makes its way into the mold 10, the contour parts 15a, 15b of the latter still being opened at this point in time.

[0037] The laterally pivoted closing installations 13 are once again separately illustrated in FIG. 6, on account of which access to the location which is provided for attaching the closing unit 12 with the contour parts 15a, 15b is achieved. Pneumatic cylinders 14 which are distributed among two closing installations 13 are provided for contact pressure. A higher contact pressure can be achieved by the number and distribution of the pneumatic cylinders; it is also possible for the pressure to be more uniformly distributed such that the overall injection pressure can also be increased because the molds 10 are held together in a more stable manner. The plastics material compound is guided to the molds by way of the clearance 21. As is illustrated in FIG. 6, the mold 10 is attached in the region illustrated with dashed lines.

[0038] It is a common feature of all embodiments and refinements of the invention that the injection device comprises a mold for receiving and mounting the profile during the injection molding and for configuring the cavity required during the injection, wherein the mold has at least two contour parts for enclosing the profile in the part to be injection-molded during the injection and for configuring the cavity. The injection device herein has a closing unit for opening and closing the contour parts. The closing unit when moving the first feed table relative to the profile is configured for keeping the contour parts open until the profile is enclosed by the contour parts, wherein the transportation device is configured for moving, and preferably not rotating, the profile above all in the region of the processing position exclusively parallel to the transportation path. The closing unit and the injection device are assembled so as to be displaceable conjointly with the first feed table. The first feed table in the direction of the transportation path or of the profile, respectively, is displaceable until the contour parts in the closed state can enclose the profile in the part to be injection-molded. This measure not only enables a light weight construction mode but also enables a particular degree of flexibility when retooling the machine and numerous cost advantages as a result of the lower requirement in terms of material and space as well as the time advantage during handling. One operator can optionally also be dispensed with. A transfer system according to the present invention having a feed table of this type with an injection device is particularly suitable for being able to carry out injection procedures at pressures that are not excessively high, for example, injection procedures for end caps.

LIST OF REFERENCE SIGNS

[0039] 1 Transfer system
2 Transportation device
3 Transportation path
4 Feed table

5 Guide

[0040] 6 Clamping device
7 Injection device
8 Injection-molding tool
9 Hot runner/Injection apparatus

10 Mold

[0041] 12 Closing unit
13 Closing installation
14 Holding device/Pneumatic cylinder
15, 15a, 15b: Contour parts
16 Drive device
17 Control ring

18 Clearance

[0042] 19 Displacement path/direction of the feed table

20a, 20b Slide

21 Clearance

P Profile