Manipulator device of double-colored plastic injection machine

Abstract

The utility model relates to a manipulator device of a double colored plastic injection machine, which comprises a supporting seat, an X-axis driving device is arranged on the supporting seat, the X-axis driving device comprises two sliding pieces sliding in the X direction, a Z-axis driving device is fixedly arranged on each sliding piece, each Z-axis driving device comprises a Z-direction sliding rail, and a Z-direction sliding rail is arranged on the Z-direction sliding rail. Each Z-direction sliding rail is provided with two Y-axis driving devices in a sliding mode, and each Y-axis driving device is provided with a detection clamping assembly. By adopting the technical scheme, aiming at the two molds of the double-colored plastic injection machine, the four detection clamping assemblies controlled by three axes are arranged and respectively correspond to the material taking ports and the water ports of the two molds, the detection clamping assemblies are arranged on the same X-axis driving device, the sliding piece is controlled to act on the X axis, and the detection clamping assemblies are driven by the X-axis driving device to detect the material taking ports and the water ports of the two molds. And the space in front of the double-colored plastic injection machine can be vacated by moving to two sides, so that the mold is convenient to replace.

Description

Technical Field

[0001] This utility model belongs to the field of robotic arm technology, and in particular relates to a robotic arm device for a two-color injection molding machine. Background Technology

[0002] A two-color injection molding machine is a device used to manufacture two-color plastic products. It mainly uses two different colored plastic raw materials for injection molding to produce products with multiple colors and complex shapes. The robotic arm is mainly responsible for automated handling, mold picking and placing, and product handling. It can significantly improve production efficiency, reduce manual operation, and lower production costs. At the same time, it can also improve product consistency and quality. Currently, for two-color injection molding machines, multiple robotic arms are usually set up to correspond to the material inlet and sprue of the two injection molds in the two-color injection molding machine. Each robotic arm requires a mounting base and a three-axis motion device, which occupies a large area. Moreover, it is located in front of the injection molding machine when in use, which makes it inconvenient to change the mold. Summary of the Invention

[0003] The purpose of this utility model is to overcome the shortcomings of the prior art and provide a robotic arm device for a two-color injection molding machine. This solves the problem that the robotic arm occupies a large area and obstructs the operator from changing the mold for a two-color injection molding machine, and provides a robotic arm with a simple structure and convenient operation.

[0004] The technical solution of this utility model is as follows: A robotic arm device for a two-color injection molding machine includes a support base. The support base is provided with an X-axis drive device. The X-axis drive device includes two sliding members that slide in the X direction. Each sliding member is fixedly provided with a Z-axis drive device. Each Z-axis drive device includes a Z-direction slide rail. Two Y-axis drive devices are slidably arranged on each Z-direction slide rail. Each Y-axis drive device is provided with a detection and clamping assembly. The X-axis drive device, Z-axis drive device and Y-axis drive device are linked to control the position of the detection and clamping assembly.

[0005] Using the above technical solution, four detection and clamping components controlled by three axes are set for the two molds of the two-color injection molding machine. These components correspond to the material inlet and sprue of the two molds, respectively. Each detection and clamping component is set on the same X-axis drive device, controlling the sliding parts to move along the X-axis. Moving to both sides frees up space in front of the two-color injection molding machine, facilitating mold replacement. Each mold has one corresponding sliding part, and the two sliding parts are relatively independent and do not affect each other. This avoids the impact on the other mold caused by the decrease in the accuracy of the three-axis movement of different molds, which could lead to distance differences. This also facilitates maintenance.

[0006] A further feature of this invention is as follows: the X-axis drive device includes an X-axis slide rail fixedly mounted on a support base, a sliding member slidably mounted on the X-axis slide rail, a fixing plate for mounting a Z-axis slide rail fixedly mounted on the sliding member, an X-axis drive motor inside the sliding member, and an X-axis transmission structure between the output end of the X-axis drive motor and the support base to control the sliding and locking of the sliding member.

[0007] With the above further configuration, by setting the Z-axis slide rail on the slider, the Z-axis slide rail can move along the X-axis slide rail direction, realizing the linkage between the Z and X directions.

[0008] A further feature of this invention is that the X-axis transmission structure includes a drive wheel fixedly mounted on the output end of the X-axis drive motor and an X-axis fixed belt mounted on the support base in the X direction. The X-axis drive motor controls the drive wheel to roll on the X-axis fixed belt.

[0009] By adopting the above-mentioned further configuration, through the cooperation of the drive wheel and the X-direction fixed belt, the sliding part moves on the X-direction slide rail by driving the drive wheel to roll on the X-direction fixed belt through the X-direction drive motor, which replaces the transmission method of the lead screw and nut, saving costs. Moreover, the X-direction drive motor is hidden inside the sliding part, further saving space.

[0010] A further feature of this invention is that the Z-axis drive device includes a Z-axis slider slidably mounted on a Z-axis slide rail for fixing the Y-axis drive device, and a Z-axis drive motor fixedly mounted relative to the Z-axis slider. The output end of the Z-axis drive motor and the fixed plate are connected by a Z-axis transmission structure to control the sliding and locking of the Z-axis slider.

[0011] With the above further configuration, the Y-axis drive device is placed on the Z-axis slider, enabling the Y-axis drive device to move along the Z-axis slide rail and achieve linkage between the Y and Z axes.

[0012] A further feature of this invention is that the Z-axis transmission structure includes a rack mounted on a fixed plate and a gear fixedly mounted on the output end of the Z-axis drive motor, wherein the gear and the rack mesh with each other.

[0013] By further configuring the above-mentioned components, the gears and racks work together to achieve precise adjustment of the two Y-axis drive devices in the Z-axis direction. The rack is machined on the fixed plate and fixed so that when the Z-axis drive motor drives the gear to rotate, the gear drives the Z-axis drive motor, thereby driving the Z-axis slider to move. At the same time, the number of parts that need to be connected is reduced, and the possibility of the rack and the fixed plate shaking is avoided.

[0014] A further feature of this invention is that the Y-axis drive device includes a Y-axis main arm, a Y-axis slide rail fixedly mounted on the Y-axis main arm, a Y-axis slider slidably mounted on the Y-axis slide rail, a Y-axis connecting plate for fixing the Y-axis slider and the Z-axis slider, and a Y-axis drive motor fixedly mounted on the Y-axis connecting plate. The output end of the Y-axis drive motor and the Y-axis main arm are connected by a Y-axis transmission structure to achieve sliding and locking of the Y-axis main arm.

[0015] With the above further configuration, the Y-axis slide rail is connected to the Z-axis slide rail via the Y-axis slider and the Y-axis connecting plate, so that the entire Y-axis slide rail can slide on the Z-axis slide rail with the Z-axis slider, and the Y-axis slider is fixed, while the Y-axis slide rail and the Y-axis main arm can move along the Y-axis.

[0016] A further feature of this invention is that the Y-axis transmission structure includes a transmission belt, with both ends of the transmission belt fixedly disposed at both ends of the Y-axis direction of the Y-axis main arm. The output end of the Y-axis drive motor and the Y-axis connecting plate are respectively provided with transmission wheels for tightening and driving the transmission belt.

[0017] With the above-mentioned further configuration, the transmission wheel is rotated by the Y-axis drive motor to drive the transmission belt, thereby causing the Y-axis main arm to move relative to the Y-axis connecting plate. The Y-axis drive motor is set laterally, which greatly reduces the space occupied in the Y-axis direction compared to the linear control method of the lead screw and nut.

[0018] A further feature of this invention is as follows: a Y-axis auxiliary arm is provided on the other side of the fixed Y-axis slide rail one, the Y-axis main arm and the Y-axis auxiliary arm are slidably connected by a Y-axis slider two and a Y-axis slide rail two, the Y-axis slide rail two is fixedly connected to the Y-axis auxiliary arm, the Y-axis slider two is fixedly connected to the Y-axis main arm, a detection and clamping assembly is provided at the top of the Y-axis auxiliary arm, and a pulley group is provided on the Y-axis main arm, the two opposing belts in the pulley group are respectively fixedly connected to the Y-axis auxiliary arm and the Y-axis connecting plate.

[0019] By further configuring the above, a Y-axis auxiliary arm and a pulley assembly are installed. The belt circulates back and forth along the Y-axis through the pulleys, clamping and fixing the Y-axis auxiliary arm and the Y-axis connecting plate to the belt moving in opposite directions. Thus, while the Y-axis drive motor drives the Y-axis main arm, it also drives the Y-axis auxiliary arm. This achieves a movement where the Y-axis auxiliary arm performs twice the stroke relative to the Y-axis drive motor, achieving the same stroke with less space.

[0020] A further feature of this invention is that the detection and clamping assembly includes a detection device for detecting the injection molded part and a clamp for clamping and demolding the injection molded part.

[0021] With the above-mentioned further configuration, the detection device can detect the injection molded part, accurately locate the position of the injection molded part, and facilitate the clamp to align the injection molded part and remove it. Attached Figure Description

[0022] Figure 1 This is a schematic diagram of the overall structure and the placement of a two-color injection molding machine according to a specific embodiment of this utility model;

[0023] Figure 2 This is a schematic diagram of the overall structure of a specific embodiment of the present utility model;

[0024] Figure 3 for Figure 2 Enlarged view of a portion of point A in the middle;

[0025] Figure 4 This is a schematic diagram of the raised support base and another Y-axis main arm in a specific embodiment of this utility model;

[0026] Figure 5 This is a schematic diagram of the structure of the Z-axis driving device cooperating with the X-axis driving device and the Y-axis driving device in a specific embodiment of this utility model;

[0027] Figure 6 for Figure 5 A magnified view of a portion of point B in the middle;

[0028] Figure 7 This is a schematic diagram of the overall structure of the Y-axis driving device in a specific embodiment of this utility model;

[0029] Figure 8 This is a side view of the Y-axis auxiliary arm and the Y-axis main arm in a specific embodiment of the present invention.

[0030] In the diagram: 1. Support base; 11. Heightening column; 2. Injection molding machine; 3. X-axis drive device; 31. X-axis slide rail; 32. Sliding component; 33. X-axis drive motor; 34. Drive wheel; 35. X-axis fixing belt; 4. Z-axis drive device; 41. Z-axis slide rail; 42. Z-axis slider; 43. Fixing plate; 44. Z-axis drive motor; 5. Y-axis drive device; 50. Y-axis auxiliary arm; 51. Y-axis slide rail one; 52. Y-axis slider one; 53. Y-axis connecting plate; 54. Y-axis main arm; 55. Y-axis drive motor; 56. Transmission belt; 57. Transmission wheel; 58. Y-axis slider two; 59. Y-axis slide rail two; 6. Detection and clamping assembly; 7. Conveyor belt; 8. Pulley assembly. Detailed Implementation

[0031] The technical solutions in this embodiment will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this utility model, and not all embodiments. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of this utility model.

[0032] It should be noted that in the description of this utility model, all directional indicators (such as up, down, forward, backward, etc.) are only used to explain the relative positional relationship and movement of each component in a certain specific posture (as shown in the figure). If the specific posture changes, the directional indicator will also change accordingly.

[0033] Furthermore, in this utility model, the use of terms such as "first," "second," etc., is for descriptive purposes only and should not be construed as indicating or implying their relative importance or implicitly specifying the number of technical features indicated. In the description of this utility model, "a number" means at least two, such as two, three, etc., unless otherwise explicitly specified.

[0034] Furthermore, the technical solutions of the various embodiments of this utility model can be combined with each other, but this must be based on the ability of those skilled in the art to implement them. When the combination of technical solutions is contradictory or cannot be implemented, it should be considered that such combination of technical solutions does not exist and is not within the scope of protection claimed by this utility model.

[0035] A robotic arm device for a two-color injection molding machine, such as Figure 1 As shown, a conveyor belt 7 is set in front of the injection molding machine 2 and between the injection molding machine 2 and the robotic arm device. The robotic arm device clamps the injection molded parts on the injection molding machine 2 and places them on the conveyor belt 7 for collection.

[0036] like Figure 2-6 As shown, the robotic arm device includes a support base 1, an X-axis drive device 3, a Y-axis drive device 5, and a Z-axis drive device 4. The support base 1 includes two support legs and a crossbar connecting the two support legs. An electrical control box can be fixedly installed on the crossbar for electrical connection and control of the X-axis drive device 3, the Y-axis drive device 5, and the Z-axis drive device 4. The support base 1 can be a split structure. A heightening column 11 can be installed between the support legs and the crossbar to increase the relative height of the crossbar, so as to ensure that the Z-axis stroke of the Z-axis drive device 4 includes the injection position and the height of the transmission belt 7, which is convenient to adapt to injection molding machines 2 of various heights.

[0037] An X-axis drive device 3 is provided on the side of the support base 1 away from the two-color injection molding machine. The X-axis drive device 3 includes an X-axis slide rail 31 fixedly mounted on the support base 1 and two sliding parts 32 that slide on the X-axis slide rail 31. An X-axis drive motor 33 is fixedly mounted in each sliding part 32. The output end of the X-axis drive motor 33 and the support base 1 are connected by an X-axis transmission structure to realize the sliding and locking of the sliding part 32 relative to the X-axis slide rail 31.

[0038] The X-axis transmission structure includes a drive wheel 34 fixedly mounted on the output end of the X-axis drive motor 33 and an X-axis fixing belt 35 mounted on the support base 1. The X-axis fixing belt 35 is fixed on both sides of the support base 1 and floats in the middle, with the whole structure arranged in the X-axis direction. The X-axis drive motor 33 drives the drive wheel 34 to slide on the X-axis fixing belt 35. Through the cooperation of the drive wheel 34 and the X-axis fixing belt 35, the X-axis drive motor 33 drives the drive wheel 34 to rotate, and the drive wheel 34 rolls on the X-axis fixing belt 35 to realize the movement of the sliding member 32 on the X-axis slide rail 31. This replaces the transmission method of the lead screw and nut, saving costs. Moreover, the X-axis drive motor 33 is hidden inside the sliding member 32, further saving space. Each sliding member 32 is provided with a drag chain on the support base 1, with one end fixed relative to the support base 1 and the other end fixedly connected to the sliding member 32. This chain is used to protect and guide the cable connected to the outside inside the sliding member 32, avoiding wear and breakage.

[0039] Each sliding member 32 is fixedly provided with a fixed plate 43, and a Z-axis slide rail 41 is fixedly provided on the fixed plate 43, so that the Z-axis slide rail 31 can move along the X-axis slide rail 31, realizing the linkage between the Z and X directions. A Z-axis slider 42 is slidably provided on the Z-axis slide rail 41, and a Y-axis connecting plate 53 for installing the Y-axis drive device 5 is fixedly connected to the Z-axis slider 42. Two Y-axis drive devices 5 are respectively provided on each Z-axis slide rail 41, so two Y-axis connecting plates 53 are slidably connected in parallel on each Z-axis slide rail 31. A Z-axis drive motor 44 is installed on the side of the Y-axis connecting plate 53 near the fixed plate 43. The output end of the Z-axis drive motor 44 and the fixed plate 43 are connected by a Z-axis transmission structure to control the sliding and locking of the Z-axis slider 42.

[0040] The output end of the Z-axis drive motor 44 faces the Y-axis direction close to the fixed plate 43. The Z-axis transmission structure includes a rack set on the fixed plate 43 and a gear fixedly set on the output end of the Z-axis drive motor 44. The rack is set in the Z-axis direction, and the gear and rack mesh with each other, so that when the Z-axis drive motor 44 drives the gear to rotate, the gear can move relative to the rack in the Z-axis direction. Since the rack is fixed, the gear and the Z-axis drive motor 44 move in the Z-axis direction, thereby driving the Z-axis slider 42 to move. The Y-axis drive device 5 is set on the Z-axis slider 42, so that the two Y-axis drive devices 5 can be adjusted in the Z-axis direction respectively, realizing the linkage between the Y and Z directions. The rack is machined on the fixed plate 43 to reduce the number of parts that need to be connected and avoid the possibility of the rack part shaking with the fixed plate 43.

[0041] Each Z-axis drive device 4 includes a cable chain, the middle of which is fixedly mounted on the fixed plate 43, and the two ends are respectively fixedly mounted relative to the two Y-axis connecting plates 53.

[0042] The Y-axis drive device 5 includes a Y-axis main arm 54, a Y-axis slide rail 51 fixedly mounted on the Y-axis main arm 54, a Y-axis slider 52 mounted on the Y-axis slide rail 51, and a Y-axis drive motor 55 fixedly mounted on the Y-axis connecting plate 53. The Y-axis slider 52 is fixedly mounted on the Y-axis connecting plate 53, so that the entire Y-axis drive device 5 is controlled by the Z-axis slider 42 to move along the Z-axis. The output end of the Y-axis drive motor 55 and the Y-axis main arm 54 are connected by a Y-axis transmission structure to enable the Y-axis main arm 54 to slide and lock.

[0043] The Y-axis transmission structure includes a transmission belt 56, with both ends of the transmission belt 56 respectively located on both sides of the Y-axis main arm 54 in the Y direction. The output end of the Y-axis drive motor 55 and the Y-axis connecting plate 53 are provided with transmission wheels 57 for tightening the transmission belt 56. The transmission wheels 57 and the Y-axis connecting plate 53 are fixedly connected by a connecting shaft. After the Y-axis drive motor 55 drives the transmission wheels 57 on its output end to rotate, it pulls the transmission belt 56 to move. Both ends of the transmission belt 56 are fixed on the Y-axis main arm 54. Thus, the Y-axis main arm 54 moves in the Y direction relative to the Y-axis drive motor 55, thereby realizing the Y-axis main arm 54 moving in the Y direction relative to the Z-axis slide rail 41, and realizing the linkage between the Y-axis and the Z-axis.

[0044] Furthermore, a Y-axis auxiliary arm 50 is provided on the other end face of the fixed Y-axis slide rail 51, and the Y-axis auxiliary arm 50 can be close to or far from the corresponding Z-axis slide rail 41 relative to the Y-axis main arm 54, such as... Figure 2 , Figure 4 The diagram shows two configurations of the Y-axis auxiliary arm 50 and the Y-axis main arm 54.

[0045] like Figure 7-8As shown, the Y-axis main arm 54 and the Y-axis auxiliary arm 50 are slidably connected by the Y-axis slider 2 58 and the Y-axis slide rail 2 59. The Y-axis slide rail 2 59 is fixedly mounted on the Y-axis auxiliary arm 50, and the Y-axis slider 2 58 is fixedly mounted on the Y-axis main arm 54. A detection clamping assembly 6 is provided on the top of the Y-axis auxiliary arm 50. The detection clamping assembly 6 is not shown in the figure. Only the mounting plate used to install the detection clamping assembly 6 is shown.

[0046] The bottom of the Y-axis main arm 54 is provided with a pulley assembly 8, which is arranged along the Y-axis. The Y-axis auxiliary arm 50 and the Y-axis connecting plate 53 are respectively used to clamp the two sides of the belt in the pulley assembly 8 that move in opposite directions by means of connecting parts. By setting the Y-axis auxiliary arm 50 and the pulley assembly 8, the Y-axis drive device 5 is set as a double-arm structure. The belt in the pulley assembly 8 circulates along the Y-axis through the pulleys, clamping and fixing the Y-axis auxiliary arm 50 and the Y-axis connecting plate 53 to the belt parts that move in opposite directions. Thus, when the Y-axis drive motor 55 drives the Y-axis connecting plate 53 to move, it also drives the Y-axis auxiliary arm 50 to move. This achieves the goal of setting the Y-axis auxiliary arm 50 to be twice the size of the Y-axis drive motor 55, occupying less space and moving the same stroke.

[0047] The Y-axis drive device 5 also includes a cable chain, the two ends of which are fixedly mounted relative to the Y-axis auxiliary arm 50 and the Y-axis connecting plate 53, respectively.

[0048] Furthermore, the Y-axis drive motor 55 is laterally mounted on the Y-axis connecting plate 53, with its output end facing the Y-axis main arm 54 along the X-axis. It controls the Y-axis movement through a belt and pulley, which greatly reduces the space occupied in the Y-axis direction compared to the linear control method of the lead screw and nut.

[0049] The detection and clamping assembly 6 includes a detection device for detecting the injection molded part and a clamp for clamping and demolding the injection molded part. The detection device can be a position sensor, temperature sensor or other sensors to accurately locate the position of the injection molded part, so that the clamp can be aligned with the injection molded part and removed. The clamp can also be a suction cup or other tool.

[0050] Each Z-axis slide rail 41 is equipped with two Y-axis drive devices 5, and each Y-axis drive device 5 is equipped with a detection and clamping assembly 6. The two Y-axis drive devices 5 correspond to the material pick-up port and sprue of the two injection molds in the two-color injection molding machine, respectively, so as to realize the functions of clamping injection molded parts, demolding and handling.

[0051] In summary, for the two molds of the two-color injection molding machine, four detection and clamping components 6 controlled by three axes are set up. The X-axis drive device 3, Z-axis drive device 4, and Y-axis drive device 5 are linked to control the position of the detection and clamping components 6, which correspond to the material inlet and sprue of the two molds respectively. Each detection and clamping component 6 is set on the same X-axis drive device 3, which controls the movement of the sliding parts 32 on the X-axis. When the sliding parts move to both sides, the space in front of the two-color injection molding machine is freed up, which is convenient for mold replacement. Each mold has one sliding part 32, and the two sliding parts 32 are relatively independent and do not affect each other. This avoids the impact on the other mold caused by the decrease in the accuracy of the three-axis movement of different molds. This also facilitates maintenance.

Claims

1. A robotic arm device for a two-color injection molding machine, comprising a support base (1), characterized in that, The support base (1) is provided with an X-axis drive device (3). The X-axis drive device (3) includes two sliding parts (32) that slide in the X direction. Each sliding part (32) is fixedly provided with a Z-axis drive device (4). Each Z-axis drive device (4) includes a Z-direction slide rail (41). Each Z-direction slide rail (41) is provided with two Y-axis drive devices (5). Each Y-axis drive device (5) is provided with a detection clamping assembly (6). The position of each detection clamping assembly (6) is controlled by the linkage of the X-axis drive device (3), the Z-axis drive device (4), and the Y-axis drive device (5).

2. The robotic arm device for a two-color injection molding machine according to claim 1, characterized in that, The X-axis drive device (3) includes an X-axis slide rail (31) fixedly mounted on the support base (1), a sliding member (32) slidably mounted on the X-axis slide rail (31), a fixing plate (43) for mounting the Z-axis slide rail (41) fixedly mounted on the sliding member (32), an X-axis drive motor (33) is provided inside the sliding member (32), and the output end of the X-axis drive motor (33) and the support base (1) are connected by an X-axis transmission structure to control the sliding member (32) to slide and lock.

3. The robotic arm device for a two-color injection molding machine according to claim 2, characterized in that, The X-direction transmission structure includes a drive wheel (34) fixedly mounted on the output end of the X-direction drive motor (33) and an X-direction fixing belt (35) fixedly mounted on the support base (1). The X-direction drive motor (33) controls the drive wheel (34) to roll on the X-direction fixing belt (35).

4. The robotic arm device for a two-color injection molding machine according to claim 2, characterized in that, The Z-axis drive device (4) includes a Z-axis slider (42) that is slidably mounted on the Z-axis slide rail (41) for fixing the Y-axis drive device (5), and a Z-axis drive motor (44) that is fixed relative to the Z-axis slider (42). The output end of the Z-axis drive motor (44) and the fixed plate (43) are connected by a Z-axis transmission structure to control the sliding and locking of the Z-axis slider (42).

5. The robotic arm device for a two-color injection molding machine according to claim 4, characterized in that, The Z-axis transmission structure includes a rack mounted on a fixed plate (43) and a gear fixedly mounted on the output end of a Z-axis drive motor (44), wherein the gear and the rack mesh with each other.

6. The robotic arm device for a two-color injection molding machine according to claim 4, characterized in that, The Y-axis drive device (5) includes a Y-axis main arm (54), a Y-axis slide rail (51) fixedly mounted on the Y-axis main arm (54), a Y-axis slider (52) slidably mounted on the Y-axis slide rail (51), a Y-axis connecting plate (53) for fixing the Y-axis slider (52) and the Z-axis slider (42), and a Y-axis drive motor (55) fixedly mounted with the Y-axis connecting plate (53). The output end of the Y-axis drive motor (55) and the Y-axis main arm (54) are connected by a Y-axis transmission structure to achieve the sliding and locking of the Y-axis main arm (54) relative to the Y-axis slider (52) in the Y direction.

7. The robotic arm device for a two-color injection molding machine according to claim 6, characterized in that, The Y-direction transmission structure includes a transmission belt (56), with both ends of the transmission belt (56) fixedly mounted on the Y-direction main arm (54). The output end of the Y-direction drive motor (55) and the Y-direction connecting plate (53) are respectively provided with transmission wheels (57) for tightening and driving the transmission belt (56).

8. The robotic arm device for a two-color injection molding machine according to claim 7, characterized in that, The Y-axis main arm (54) is provided with a Y-axis auxiliary arm (50) on the other side of the fixed Y-axis slide rail (51). The Y-axis main arm (54) and the Y-axis auxiliary arm (50) are slidably connected by a Y-axis slider (58) and a Y-axis slide rail (59). The Y-axis slide rail (59) is fixedly connected to the Y-axis auxiliary arm. The Y-axis slider (58) is fixedly connected to the Y-axis main arm (54). A detection clamping assembly (6) is provided on the top of the Y-axis auxiliary arm (50). A pulley group (8) is provided on the Y-axis main arm (54). The two belts moving in opposite directions in the pulley group (8) are respectively fixedly connected to the Y-axis auxiliary arm (50) and the Y-axis connecting plate (53).

9. The robotic arm device for a two-color injection molding machine according to claim 1, characterized in that, The detection clamping assembly (6) includes a detection device for detecting the injection molded part and a clamp for clamping the injection molded part for demolding.

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