A fabric hanging fixture for injection molded parts

Abstract

This utility model provides a fabric hanging fixture for injection molded parts, belonging to the field of automotive parts processing technology. This utility model automatically hangs the fabric by mounting the fixture frame on a robotic arm and installing several hanging pins at intervals on one side of the fixture frame. The fabric is hung by the hanging ends of the hanging pins. Then, the robotic arm drives the fixture frame to move, aligning the hanging pins with the hanging pins on the moving mold, transferring the fabric from the hanging pins to the hanging pins. Simultaneously, several grippers are installed at intervals on the other side of the fixture frame, allowing the molded product to be clamped after the fabric hanging injection molding process is completed. The molded product is then unloaded by moving the fixture frame with the robotic arm. This satisfies both the automatic fabric hanging and unloading requirements, avoiding the safety risks associated with manual fabric hanging and unloading between the moving and fixed molds. It also reduces workload, improves processing efficiency, and facilitates large-scale production.

Description

Technical Field

[0001] This utility model relates to the field of automotive parts processing technology, specifically to a fabric hanging fixture for injection molded parts. Background Technology

[0002] In automotive interior parts, to improve comfort and aesthetics, a layer of fabric is usually covered on the plastic interior parts. For example, when processing the interior parts on the A-pillar and C-pillar of a car, the fabric needs to be hung first during the injection molding process, and then injection molding is performed after the mold is closed, so as to achieve the one-piece molding of the injection molded part with the fabric.

[0003] Currently, existing fabric-attached injection molding modules on the market, such as the low-pressure injection mold and injection method disclosed in patent CN103331873B, include a moving mold comprising a base plate and a cavity on the fixed base plate, as well as multiple fabric-attached pins arranged around the cavity. The fixed mold comprises a panel, a hot runner plate fixedly connected to the panel, a core fixedly connected to the hot runner plate, an ejector mechanism, and hot runner nozzles. Furthermore, through holes corresponding to the fabric-attached pins are provided on the outer periphery of the core protrusions. In use, the fabric is hung flat on the fabric-attached pins, and then the moving mold moves towards the fixed mold to achieve mold closing. Injection is then performed within the space formed by the cavity and core. After molding, the product is ejected by the ejector mechanism, and finally, the material is unloaded. Therefore, it is evident that the existing fabric-attached injection molding method has become the main processing method for automotive plastic parts. In actual processing, the fabric is usually hung on the hanging pins of the moving mold manually. After the product is formed, it is usually removed manually to unload the material. Due to the high pressure of mold injection processing, there is a problem of raw material pollution to the surrounding air. In addition, when hanging the fabric, the operator's arm needs to be inserted between the moving mold and the fixed mold to hang the fabric and unload the material, which poses a significant safety risk. Furthermore, the manual method of hanging and unloading fabric is labor-intensive, inefficient, and not conducive to large-scale production. Summary of the Invention

[0004] To address the aforementioned problems in existing technologies, this invention aims to provide a fabric hanging fixture for injection molded parts. A fixture frame is mounted on a robotic arm, with several hanging pins on one side of the fixture frame. The fabric is hung onto the hanging pins of the moving mold via these pins, enabling automatic fabric hanging on the mold. Simultaneously, several grippers are provided on the other side of the fixture frame, which grasp the product ejected from the ejection mechanism in the fixed mold, achieving automatic unloading of the molded product. This avoids the safety risks associated with manual operation between the moving and fixed molds, reduces the workload of operators, improves processing efficiency, and facilitates large-scale production.

[0005] The specific technical solution is as follows: A fabric hanging fixture for injection molded parts, characterized by the following features: robotic arm; The jig frame is a frame structure, with the center of one side of the jig frame connected to the robotic arm; Several hanging pins are spaced apart on one side of the fixture frame, and the hanging end of each hanging pin is arranged facing away from the fixture frame. The fabric to be hung on the hanging pin of the moving mold is hung on the hanging pin. Several grippers are spaced apart on the other side of the fixture frame, and the grippers hold the injection-molded product.

[0006] In the aforementioned injection molding part hanging fixture, the side of the fixture frame that connects to the robotic arm is the same side as the side of the fixture frame that mounts the grippers.

[0007] The aforementioned injection molding part fabric hanging fixture includes each hanging pin comprising a fabric hanging telescopic actuator, a blocking sleeve, and a fabric hanging shaft. One end of the blocking sleeve is fixed to one end of the telescopic shaft of the fabric hanging telescopic actuator, and the telescopic shaft of the fabric hanging telescopic actuator extends into the blocking sleeve. One end of the fabric hanging shaft slides into the blocking sleeve and is connected to the telescopic shaft of the fabric hanging telescopic actuator. The other end of the fabric hanging shaft is the fabric hanging end, which extends out of the blocking sleeve or retracts into the blocking sleeve.

[0008] In the aforementioned injection molding part fabric hanging fixture, the end of the fabric hanging shaft opposite to the telescopic shaft connected to the fabric hanging telescopic driver is provided with an insertion hole along its axial direction, and the needle tip of the fabric hanging needle on the moving mold is inserted into or removed from the insertion hole.

[0009] In the aforementioned injection molding part fabric hanging fixture, a protruding retaining edge is provided on the end side wall of the end of the fabric hanging shaft that is away from the telescopic shaft connected to the fabric hanging telescopic driver. The retaining edge is formed by the outward turning of the end of the fabric hanging shaft.

[0010] In the aforementioned injection molding part fabric hanging fixture, each fabric hanging telescopic actuator has a mounting bracket connected to the end opposite to the blocking sleeve, and the mounting bracket is mounted on the fixture frame.

[0011] The aforementioned injection molding part hanging fixture includes each gripper comprising an extension rod, a feeding telescopic actuator, a hinge seat, a fixed gripper, and a movable gripper. One end of the extension rod is mounted on the fixture frame, and the other end of the extension rod is mounted with a feeding telescopic actuator. A hinge seat is mounted on the end of the feeding telescopic actuator opposite to the extension rod. The middle part of the movable gripper is hinged to the hinge seat, and one end of the movable gripper is hinged to the telescopic shaft of the feeding telescopic actuator. The fixed gripper is mounted on the end of the feeding telescopic actuator with the hinge seat or mounted on the hinge seat.

[0012] In the aforementioned injection molding part fabric hanging fixture, each gripper further includes an adjustment seat, which is disposed between the extension rod and the fixture frame. The adjustment seat includes a fixed clamp, a clamp rod, and a rotating joint. The bottom of the fixed clamp is fixedly installed on the fixture frame, and the top of the fixed clamp has a clamping opening. One end of the clamp rod extends into the clamping opening, and a rotating joint is provided at the end of the clamp rod opposite to the end connected to the fixed clamp. The other end of the extension rod is installed on the rotating joint.

[0013] The aforementioned injection molding part hanging fixture further includes a protective cover, which is located on the side of the robotic arm away from the mold. A worktable is provided inside the protective cover. A product retrieval window is opened on the side of the protective cover near the robotic arm, and an operation window is opened on the side of the protective cover away from the robotic arm.

[0014] The positive effects of the above technical solution are: The aforementioned fabric hanging fixture for injection molded parts automatically hangs the fabric by mounting the fixture frame on a robotic arm and equipping one side of the fixture frame with several hanging pins. These pins hold the fabric in place and maintain it in a flat hanging state. The robotic arm then moves the fixture frame to hang the fabric from the hanging pins onto the hanging pins of the moving mold, thus achieving automatic fabric hanging. Simultaneously, several grippers are located on the other side of the fixture frame to grip the molded product ejected from the ejection mechanism of the fixed mold, enabling automatic unloading of the molded product. This design achieves both automatic fabric hanging and automatic unloading, eliminating the need for manual fabric hanging and unloading between the moving and fixed molds. This improves safety, reduces workload, increases processing efficiency, and meets the needs of large-scale product production. Attached Figure Description

[0015] Figure 1 This is a structural diagram from one perspective of an embodiment of a fabric hanging fixture for injection molded parts according to the present invention; Figure 2 This is a structural diagram from another perspective of an embodiment of the injection molding part hanging fixture of this utility model; Figure 3 This is a structural diagram of the hanging pin according to a preferred embodiment of the present invention; Figure 4 This is a structural diagram of the gripper of a preferred embodiment of the present invention.

[0016] In the attached diagram: 1. Fixture frame; 2. Hanging pin; 21. Cloth hanging telescopic actuator; 22. Blocking sleeve; 23. Cloth hanging shaft; 24. Mounting bracket; 231. Cloth hanging end; 232. Insertion hole; 233. Stop edge; 3. Clamping claw; 31. Extension rod; 32. Material feeding telescopic actuator; 33. Hinge seat; 34. Fixed chuck; 35. Movable chuck. Detailed Implementation

[0017] To make the technical means, creative features, objectives, and effects of this utility model easier to understand, the following embodiments are provided in conjunction with the appendix. Figure 1 To be continued Figure 4 The technical solution provided by this utility model is described in detail, but the following content is not intended to limit this utility model.

[0018] Figure 1 This is a structural diagram from one perspective of an embodiment of a fabric hanging fixture for injection molded parts according to the present invention; Figure 2 This is a structural diagram from another perspective of an embodiment of the fabric hanging fixture for injection molded parts according to this utility model. (See diagram below.) Figure 1 and Figure 2 As shown, the injection molding part hanging fixture provided in this embodiment includes: a robotic arm, a fixture frame 1, several hanging pins 2, and several grippers 3. At this time, the robotic arm provides support and power for the subsequent movement of the fixture frame 1. Preferably, the robotic arm is a multi-axis robotic arm commonly used in the market, which can meet the needs of multi-directional and multi-angle movement and meet the needs of hanging and unloading fabric in complex environments.

[0019] Specifically, the jig frame 1 is a frame structure. The center of one side of the jig frame 1 is connected to the robotic arm, which enables the robotic arm to drive the jig frame 1 to move. Furthermore, the jig frame 1 arranged by the frame structure provides a large support surface, which provides the conditions for subsequent hanging of large-format fabric and maintaining the flat hanging state of the fabric, thereby ensuring the quality of product processing. Specifically, several hanging pins 2 are spaced apart on one side of the fixture frame 1. The spaced hanging pins 2 can support multiple points of the fabric to be hung, ensuring that the fabric is kept flat during hanging and preventing wrinkles. Furthermore, the hanging end 231 of each hanging pin 2 is arranged facing away from the fixture frame 1. The fabric to be hung on the hanging pin of the moving mold is hung on the hanging pin 2, so that after the fabric is hung by the hanging pin 2, a gap is formed between the hanging fabric and the fixture frame 1, avoiding the problem of the fixture frame 1 colliding with the moving mold when the fabric is hung on the hanging pin of the moving mold, thus improving the safety of hanging the fabric. In addition, it is no longer necessary to manually hang the fabric directly on the hanging pin of the moving mold, making the operation safer, the processing efficiency higher, and reducing the labor burden. Specifically, several grippers 3 are spaced apart on the other side of the fixture frame 1. The grippers 3 can clamp the injection-molded product, remove the molded product from the ejection mechanism of the fixed mold and transfer it away, thus meeting the requirements for automatic product unloading. No manual unloading is required, which reduces the workload, increases safety and improves processing efficiency.

[0020] More specifically, the side of the jig frame 1 connected to the robotic arm is set to be the same side as the side of the jig frame 1 where the grippers 3 are installed. Since the workpiece after molding can be removed by the grippers 3, only a few points of the workpiece need to be gripped to achieve unloading, while more points are needed to support the fabric in order to maintain the flat hanging state of the fabric when hanging it, the number of grippers 3 on the jig frame 1 is significantly less than the number of hanging pins 2. Therefore, it is more reasonable to connect the robotic arm to the side of the jig frame 1 where the grippers 3 are installed, which improves the space utilization while ensuring normal function.

[0021] Figure 3 This is a structural diagram of the hanging pin according to a preferred embodiment of the present invention. Figures 1 to 3 As shown, each hanging needle 2 includes a hanging fabric telescopic driver 21, a blocking sleeve 22, and a hanging fabric shaft 23. One end of the blocking sleeve 22 is fixed to the end of the telescopic shaft of the hanging fabric telescopic driver 21, providing conditions for the subsequent telescopic shaft of the hanging fabric telescopic driver 21 to drive the movement of the hanging fabric shaft 23 located in the blocking sleeve 22. Furthermore, the telescopic shaft of the fabric telescopic actuator 21 extends into the blocking sleeve 22, and one end of the fabric hanging shaft 23 slides into the blocking sleeve 22 and connects with the telescopic shaft of the fabric telescopic actuator 21, so that the fabric telescopic actuator 21 can drive the fabric hanging shaft 23 to slide relative to the blocking sleeve 22. The other end of the fabric hanging shaft 23 is the fabric hanging end 231, which allows the fabric hanging end 231 to extend out of the blocking sleeve 22 or retract into the blocking sleeve 22, so that the fabric can be hung or removed from the fabric hanging end 231, thereby satisfying the requirement of transferring the fabric from the hanging needle 2 to the hanging needle of the moving mold. The structural design is more reasonable. When the fabric is hung on the fixture, the fabric hanging telescopic actuator 21 pushes the fabric hanging end 231 of the fabric hanging shaft 23 to extend outside the blocking sleeve 22. The fabric has hanging holes, and the fabric is hung on the fabric hanging end 231 of the fabric hanging shaft 23 through these holes. The movement of the robotic arm transfers the fabric to the moving mold and aligns it with the fabric hanging needle on the moving mold. Then, the fabric hanging telescopic actuator 21 pulls the fabric hanging shaft 23 back, causing the fabric hanging end 231 of the fabric hanging shaft 23 to retract towards the blocking sleeve 22. The blocking sleeve 22 pushes the fabric off the fabric hanging end 231, thus transferring the fabric to the fabric hanging needle on the moving mold, fulfilling the fabric hanging requirement. Preferably, the fabric hanging telescopic actuator 21 is a commercially available self-resetting cylinder. Using a low-cost self-resetting cylinder as the driving component for the hanging needle 2 effectively controls the budget for manufacturing the fixture. Furthermore, the power source for the self-resetting cylinder is readily available and has low operating costs.

[0022] More specifically, an insertion hole 232 is provided along the axial direction of the end of the hanging shaft 23 that is opposite to the telescopic shaft of the hanging shaft 21 connected to the hanging telescopic driver 21. That is, the end face of the hanging shaft 23 that can be output outside the blocking sleeve 22 or retracted into the blocking sleeve 22 has an insertion hole 232. When the hanging operation is performed, after the robotic arm drives the fixture frame 1 to move, the insertion hole 232 of the hanging shaft 23 of the hanging needle 2 on the fixture frame 1 is aligned with the hanging needle on the moving mold, and the end of the hanging needle is inserted into the insertion hole 232 of the hanging shaft 23. This allows the hanging hole of the hanging shaft 23 to still be hung on the hanging needle when the hanging shaft 23 retracts into the blocking sleeve 22 to push the fabric off the hanging shaft 23. This meets the requirement of transferring the fabric from the hanging needle 2 to the hanging needle, thus realizing the automatic hanging operation.

[0023] More specifically, a protruding retaining edge 233 is provided on the end side wall of the hanging shaft 23 opposite to the telescopic shaft connecting the hanging telescopic actuator 21. Preferably, the retaining edge 233 is formed by turning the end of the hanging shaft 23 outward, that is, the retaining edge 233 and the hanging shaft 23 are an integral structure, which has higher structural strength. Furthermore, by forming a blocking structure at the end of the hanging shaft 23 through the retaining edge 233, the fabric is not easy to fall off the hanging shaft 23 naturally when it is hung on the hanging shaft 23 through the hanging hole, thus maintaining the stability of the fabric when it is hung on the fixture.

[0024] More specifically, each fabric hanging telescopic actuator 21 is connected to a mounting bracket 24 at the end opposite to the blocking sleeve 22. The mounting bracket 24 is mounted on the jig frame 1. That is, the mounting bracket 24 serves as the connection structure between the fabric hanging telescopic actuator 21 and the jig frame 1. The mounting bracket 24 can be adjusted on the jig frame 1 to meet the fabric hanging requirements of different products and improve the adaptability of the jig.

[0025] Figure 4 This is a structural diagram of the gripper according to a preferred embodiment of the present invention. Figure 1 , Figure 2 as well as Figure 4As shown, each gripper 3 includes an extension rod 31, a feeding telescopic actuator 32, a hinge seat 33, a fixed gripper 34, and a movable gripper 35. One end of the extension rod 31 is mounted on the fixture frame 1, and the other end is mounted on the feeding telescopic actuator 32. This extension rod 31 enables the feeding telescopic actuator 32 to be mounted at a distance from the fixture frame 1, providing ample space for the connection between the robotic arm and the fixture frame 1, as well as for subsequent robotic arm movements. Simultaneously, a hinge seat 33 is mounted on the end of the feeding telescopic actuator 32 opposite to the extension rod 31, and the telescopic shaft of the feeding telescopic actuator 32 passes through the hinge seat 33, hinged to the middle of the movable gripper 35. Furthermore, one end of the movable gripper 35 is hinged to the telescopic shaft of the feeding telescopic actuator 32, allowing the telescopic shaft of the feeding telescopic actuator 32 to subsequently drive the movable gripper 35 to rotate on the hinge seat 33, providing conditions for subsequently clamping or releasing the formed product using the movable gripper 35. In addition, the fixed chuck 34 is installed on the end of the unloading telescopic driver 32 that is provided with the hinge seat 33 or installed on the hinge seat 33, so that when the movable chuck 35 is flipped, the end of the movable chuck 35 that is connected to the telescopic shaft of the unloading telescopic driver 32 can move closer to or away from the fixed chuck 34, thereby realizing the movement of the movable chuck 35 and the fixed chuck 34, and realizing the clamping or loosening of the gripper 3, thereby meeting the unloading requirements of the molded product.

[0026] More specifically, each gripper 3's extension rod 31 is also equipped with an adjustment seat. This adjustment seat is positioned between the extension rod 31 and the fixture frame 1, thus enabling the extension rod 31 to be mounted on the fixture frame 1. The adjustment seat includes a fixed clamp, a clamping rod, and a rotating joint. The bottom of the fixed clamp is fixedly mounted on the fixture frame 1 using screws. The top of the fixed clamp has a clamping opening, into which one end of the clamping rod extends, allowing the clamping rod to be mounted on the fixed clamp. Furthermore, the clamping rod can rotate and extend within the clamp by adjusting the tightness of the clamping opening, meeting adjustment requirements. Additionally, a rotating joint is located at the end of the clamping rod opposite to the fixed clamp, and the other end of the extension rod 31 is mounted on the rotating joint. Rotation allows for adjustment of the installation angle of the extension rod 31, meeting the clamping requirements of irregularly shaped products. It is worth noting that the two ends of the clamping hole of the fixed clamp are connected by a screw, causing the two ends of the clamping hole to move closer or further apart when the screw is turned, thus adjusting the tightness of the clamping hole. In addition, slewing joints can be purchased directly from existing slewing joints on the market according to usage requirements, so their specific structure will not be described in detail here.

[0027] More specifically, a protective cover is installed on the side of the robotic arm away from the mold, allowing operators to operate away from the robotic arm and mold while working near the cover, thus improving safety. Inside the protective cover, a workbench is provided for placing the molded product, which is then fed by the gripper 3, onto the workbench for easy manual removal later. A product retrieval window is provided on the protective cover, near the robotic arm, allowing the robotic arm to move the fixture frame 1 into the protective cover to meet the needs of hanging fabric and feeding. Additionally, an operation window is provided on the side of the protective cover away from the robotic arm, allowing operators to hang fabric on the hanging pins 2 of the fixture frame 1. Preferably, a lifting guardrail is provided at the operation window, allowing the window to be opened or closed. The guardrail can be lowered to open the operation window when hanging fabric or feeding is needed, and raised to close the window at other times, improving safety. Furthermore, a light grating is installed on the side wall of the product retrieval window to detect the presence of objects in the window, further enhancing safety. It is worth noting that the lifting guardrail includes, but is not limited to, installing lifting cylinders on the side or bottom of the guardrail. The lifting cylinders extend and retract to raise and lower the guardrail, thus meeting the lifting requirements. Using optical gratings as a safety detection structure for doorways of machine processing equipment is a very mature technology in the industry. This embodiment can directly adopt the same or shown structure; therefore, the specific control of the lifting guardrail and optical grating structures will not be elaborated here.

[0028] The injection molding fabric hanging fixture provided in this embodiment includes a robotic arm, a fixture frame 1, hanging pins 2, and grippers 3. By mounting the fixture frame 1 on the robotic arm and installing several hanging pins 2 at intervals on one side of the fixture frame 1, the fabric is hung by the hanging end 231 of the hanging pins 2. Then, the robotic arm drives the fixture frame 1 to move, aligning the hanging pins 2 with the hanging pins on the moving mold, and transferring the fabric on the hanging pins 2 to the hanging pins, thus realizing automatic fabric hanging operation. At the same time, several grippers 3 are installed at intervals on the other side of the fixture frame 1, so that after the fabric hanging injection molding process is completed, the resulting molded product can be clamped by the grippers 3, and the molded product can be unloaded by moving the fixture frame 1 with the robotic arm. This not only meets the requirements of automatic fabric hanging but also realizes automatic unloading operation, avoiding the safety risks of manual fabric hanging and unloading between the moving mold and the fixed mold. At the same time, it reduces the workload, improves processing efficiency, and is conducive to the large-scale production and manufacturing of products.

[0029] The above are merely preferred embodiments of the present utility model and are not intended to limit the implementation methods and protection scope of the present utility model. Those skilled in the art should realize that any equivalent substitutions and obvious changes made based on the description and illustrations of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A fabric hanging fixture for injection molded parts, characterized in that, include: robotic arm; A jig frame, which is a frame structure, has its center connected to the robotic arm on one side; A plurality of hanging pins are spaced apart on one side of the fixture frame, and the hanging end of each hanging pin is arranged facing away from the fixture frame. The fabric to be hung on the hanging pin of the moving mold is hung on the hanging pin. A plurality of grippers are spaced apart on the other side of the fixture frame, and the grippers hold the injection-molded product.

2. The fabric hanging fixture for injection molded parts according to claim 1, characterized in that, The side of the jig frame that connects to the robotic arm is the same side as the side of the jig frame on which the gripper is mounted.

3. The fabric hanging fixture for injection molded parts according to claim 1, characterized in that, Each of the hanging pins includes a fabric telescopic actuator, a blocking sleeve, and a fabric hanging shaft. One end of the blocking sleeve is fixed to one end of the telescopic shaft of the fabric telescopic actuator, and the telescopic shaft of the fabric telescopic actuator extends into the blocking sleeve. One end of the fabric hanging shaft slides into the blocking sleeve and is connected to the telescopic shaft of the fabric telescopic actuator. The other end of the fabric hanging shaft is the fabric hanging end, which extends out of the blocking sleeve or retracts into the blocking sleeve.

4. The fabric hanging fixture for injection molded parts according to claim 3, characterized in that, The end of the fabric hanging shaft opposite to the telescopic shaft connected to the fabric hanging telescopic driver has an insertion hole along its axial direction, and the needle tip of the fabric hanging needle on the moving mold is inserted into the insertion hole or disengaged from the insertion hole.

5. The fabric hanging fixture for injection molded parts according to claim 3, characterized in that, A protruding retaining edge is provided on the end side wall of the hanging shaft opposite to the telescopic shaft connected to the hanging telescopic driver. The retaining edge is formed by the outward turning of the end of the hanging shaft.

6. The fabric hanging fixture for injection molded parts according to claim 3, characterized in that, Each of the aforementioned fabric telescopic actuators has a mounting bracket connected to the end opposite to the blocking sleeve, and the mounting bracket is mounted on the fixture frame.

7. The fabric hanging fixture for injection molded parts according to claim 1, characterized in that, Each gripper includes an extension rod, a feeding telescopic actuator, a hinge seat, a fixed gripper, and a movable gripper. One end of the extension rod is mounted on the fixture frame, and the feeding telescopic actuator is mounted on the other end of the extension rod. The hinge seat is mounted on the end of the feeding telescopic actuator opposite to the extension rod. The middle part of the movable gripper is hinged to the hinge seat, and one end of the movable gripper is hinged to the telescopic shaft of the feeding telescopic actuator. The fixed gripper is mounted on the end of the feeding telescopic actuator where the hinge seat is located, or is mounted on the hinge seat.

8. The fabric hanging fixture for injection molded parts according to claim 7, characterized in that, Each of the grippers further includes an adjustment seat, which is disposed between the extension rod and the fixture frame. The adjustment seat includes a fixed clamp, a clamping rod, and a rotating joint. The bottom of the fixed clamp is fixedly installed on the fixture frame, and the top of the fixed clamp has a clamping opening. One end of the clamping rod extends into the clamping opening, and the rotating joint is disposed at the end of the clamping rod opposite to the end connected to the fixed clamp. The other end of the extension rod is installed on the rotating joint.

9. The fabric hanging fixture for injection molded parts according to claim 1, characterized in that, It also includes a protective cover, which is located on the side of the robotic arm away from the mold. A worktable is provided inside the protective cover. A product retrieval window is opened on the protective cover on the side close to the robotic arm, and an operation window is opened on the side of the protective cover away from the robotic arm.

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