Peeling jig and injection molding machine

Abstract

A rotary cutting jig and an injection molding machine, wherein the rotary cutting jig comprises a base plate, a plurality of fixed components and a plurality of cutter components, wherein the plurality of fixed components are fixedly arranged on the base plate, the cutter components are arranged corresponding to the fixed components one by one, and each of the cutter components is arranged in a corresponding fixed component, and the rotary cutting jig further comprises a driving component, wherein the driving component is located on the fixed component, and each of the driving components is connected to the corresponding cutter component, and is used to drive the cutter component to move along the connecting surface between the gate and the product to cut off the gate. The injection molding machine comprises an injection molding machine body and the rotary cutting jig described above. The rotary cutting jig is connected to the injection molding machine for automatic production with high efficiency and high safety, and the cutter component moves along the connecting surface between the gate and the product, so that the cut is regular and neat, the cut does not change color, and the appearance is free of burrs, which can effectively improve the yield rate of the product.

Description

Technical Field

[0001] The present application relates to the technical field of injection molding production equipment, and in particular to a rotary cutting jig and an injection molding machine. Background Art

[0002] This section is intended to provide a background or context to the embodiments of the application that are recited in the claims. No description herein is admitted to be prior art by inclusion in this section.

[0003] The gates (feed ports) of injection molds generally include direct gates, side gates, ring gates, spoke gates, point gates, latent gates, claw gates, etc. Among them, the side gate is also called the standard gate, which is commonly used in small and medium-sized multi-cavity molds. The side gate includes two variant forms: fan gates and flat seam gates. They are often used for flat and thin plastic parts. The plastic has more uniform strength in the width direction, the internal stress of the plastic part is small, and the warping of the plastic part is reduced.

[0004] When the product gate is a fan-shaped flat seam gate, after it is removed by horizontal punching, the cut will be white, have burrs, and have obvious marks; it is not easy to cut manually with a pen knife, the cut is not neat, it is easy to scratch the product, and the safety is low. Summary of the invention

[0005] In view of the above, it is necessary to provide a rotary cutting jig to solve the technical problems of whitening and uneven incision in the prior art.

[0006] The technical solution provided by this application is:

[0007] A rotary cutting jig comprises a base plate, a plurality of fixed components and a plurality of cutter components, wherein the plurality of fixed components are fixedly arranged on the base plate, the cutter components are arranged in a one-to-one correspondence with the fixed components, and each of the cutter components is arranged in a corresponding fixed component. The rotary cutting jig also comprises a driving component, which is located on the fixed component, and each of the driving components is connected to the corresponding cutter component for driving the cutter component to move along the connecting surface between the gate and the product to cut off the gate.

[0008] In some embodiments of the present application, the bottom plate is in a rectangular parallelepiped configuration, and a positioning groove is provided on the bottom plate.

[0009] In some embodiments of the present application, the fixing assembly includes a pressing piece and a receiving piece, the receiving piece is fixed to the base plate, the pressing piece is located on the side of the receiving piece away from the base plate, and the pressing piece is provided with a pressing block that slides in a direction pointing to the receiving piece.

[0010] In some embodiments of the present application, the receiving member includes a support seat and a positioning plate, the support seat is fixedly disposed on the base plate, the positioning plate is located on the side of the support seat away from the base plate, and the positioning plate is provided with a contoured positioning groove for fixing the product.

[0011] In some embodiments of the present application, the pressing member also includes a pressing cylinder and a pressing connecting rod. The pressing cylinder is arranged perpendicular to the base plate. The pressing connecting rod is used to connect the pressing cylinder and the pressing block. The pressing cylinder is used to drive the pressing block to slide in a direction perpendicular to the base plate.

[0012] In some embodiments of the present application, the cutter assembly is arranged on one side of the positioning plate, the cutter assembly includes a blade and a blade fixing clamp, the blade is embedded in the blade fixing clamp, and the driving assembly drives the blade fixing clamp to rotate to drive the blade to move along the connecting surface between the gate and the product.

[0013] In some embodiments of the present application, the driving assembly includes a bearing, a gear and a rack assembly, the bearing is coaxially arranged with the gear and rotates synchronously, the blade fixing frame is fixed on the bearing, the gear and the rack assembly are meshed with each other, and the rack assembly extends along the length direction of the base plate and is slidably arranged.

[0014] In some embodiments of the present application, the driving assembly also includes a pen-shaped driving cylinder, which is fixedly disposed on the base plate. The pen-shaped driving cylinder and the rack assembly are disposed parallel to each other, and the pen-shaped driving cylinder is provided with a fork inserted into the rack assembly to control the sliding of the rack assembly.

[0015] In some embodiments of the present application, the driving assembly further includes a limiting device, which includes a limiting block and a hydraulic buffer, wherein the limiting block is located at one end of the sliding direction of the rack assembly, and the hydraulic buffer is inserted into the limiting block.

[0016] Another object of the present invention is to provide an injection molding machine, comprising an injection molding machine body and the above-mentioned rotary cutting jig, wherein a robotic arm is arranged between the rotary cutting jig and the injection molding machine body, and the robotic arm is used to transfer the product completed by the injection molding machine body to the rotary cutting jig.

[0017] The rotary cutting jig described above is connected to the injection molding machine for automatic production with high efficiency and high safety. The cutter assembly moves along the connecting surface between the gate and the product, so that the incision is regular and neat, the incision does not change color, and the appearance has no burrs, which can effectively improve the product yield. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] The present application is further described in detail below in conjunction with the accompanying drawings and specific implementation methods.

[0019] Figure 1 It is an overall schematic diagram of an injection molding machine in one embodiment of the present application.

[0020] Figure 2 It is an overall schematic diagram of a rotary cutting jig in one embodiment of the present application.

[0021] Figure 3 It is a cross-sectional schematic diagram of a rotary cutting jig in one embodiment of the present application.

[0022] Figure 4 It is a cross-sectional schematic diagram of another angle of the rotary cutting fixture in one embodiment of the present application.

[0023] Figure 5 An overall schematic diagram of the cutter assembly in one embodiment of the present application.

[0024] Figure 6 The overall schematic diagram of the robot arm in one embodiment of the present application is

[0025] Main component symbols:

[0026]

[0027]

[0028] DETAILED DESCRIPTION

[0029] In order to more clearly understand the above-mentioned purposes, features and advantages of the embodiments of the present application, the present application is described in detail below in conjunction with the accompanying drawings and specific implementation methods. It should be noted that the features in the implementation methods of the present application can be combined with each other without conflict.

[0030] In the following description, many specific details are set forth to facilitate a full understanding of the embodiments of the present application. The described embodiments are only a part of the embodiments of the present application, rather than all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the embodiments of the present application.

[0031] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as those commonly understood by those skilled in the art of the technical field of the embodiments of the present application. The terms used herein in the specification of the present application are only for the purpose of describing specific implementation methods and are not intended to limit the embodiments of the present application.

[0032] The present application provides a rotary cutting jig, comprising a base plate, a plurality of fixed components and a plurality of cutter components, wherein the plurality of fixed components are fixedly arranged on the base plate, the cutter components are arranged in a one-to-one correspondence with the fixed components, and each of the cutter components is arranged in a corresponding fixed component. The rotary cutting jig also comprises a driving component, which is located on the fixed component, and each of the driving components is connected to the corresponding cutter component for driving the cutter component to move along the connecting surface between the gate and the product to cut off the gate.

[0033] The present application also provides an injection molding machine, including an injection molding machine body and the above-mentioned rotary cutting jig, wherein a robotic arm is arranged between the rotary cutting jig and the injection molding machine body, and the robotic arm is used to transfer the finished product of the injection molding machine body to the rotary cutting jig.

[0034] The rotary cutting jig described above is connected to the injection molding machine for automatic production with high efficiency and high safety. The cutter assembly moves along the connecting surface between the gate and the product, so that the incision is regular and neat, the incision does not change color, and the appearance has no burrs, which can effectively improve the product yield.

[0035] The following specific implementation manner will further illustrate the embodiments of the present application in conjunction with the above-mentioned drawings.

[0036] See also Figure 1 An injection molding machine 1000 includes a rotary cutting jig 100, a robot arm 200 and an injection molding machine body 300, wherein the rotary cutting jig 100 is arranged on one side of the injection molding machine body 300, and the robot arm 200 is arranged between the rotary cutting jig 100 and the injection molding machine body 300, and the robot arm 200 is used to transfer the product molded on the injection molding machine body 300 to the rotary cutting jig 100, and the rotary cutting jig 100 is used to cut off the gate on the product.

[0037] See also Figure 2 and Figure 3The rotary cutting jig 100 includes a base plate 10, a fixing assembly 30, a cutter assembly 40 and a driving assembly 50. The base plate 10 is used to carry the fixing assembly 30, the cutter assembly 40 and the driving assembly 50. The fixing assembly 30 is fixedly arranged on the base plate 10 to fix the product; the cutter assembly 40 is arranged on the fixing assembly 30, and the cutter assembly 40 is used to cut off the gate on the product; the driving assembly 50 is used to drive the cutter assembly 40 so that the cutter assembly 40 can move on the fixing assembly 30 to complete the cutting of the gate. In one embodiment, the driving assembly 50 is arranged below the cutter assembly 40, and the driving assembly 50 drives the rotation of the cutter assembly 40. In other embodiments, the driving assembly 50 can also drive the cutter assembly 40 to slide in the horizontal direction or move the connecting surface between other gates and the product.

[0038] See also Figure 3 and Figure 4 The bottom plate 10 is provided with a positioning groove 11 for receiving and fixing the fixing assembly 30. In other embodiments, the bottom plate 10 further includes a telescopic rod located below the bottom plate 10 for adjusting the height of the bottom plate 10 so that the bottom plate 10 can be kept in the same height as the injection molding machine body 300. In one embodiment, the bottom plate 10 is substantially in the shape of a rectangular parallelepiped.

[0039] See also Figure 3 In one embodiment, two fixing components 30 are provided, and the two fixing components 30 are arranged opposite to each other. Each fixing component 30 includes a pressing piece 31 and a receiving piece 33. The receiving piece 33 is fixedly provided on the bottom plate 10 for carrying the product. The pressing piece 31 is used to press the side surface of the product away from the receiving piece 33 so that the product is fixed between the pressing piece 31 and the receiving piece 33.

[0040] In one embodiment, the press member 31 includes a press block 311, a press cylinder 313 and a press connecting rod 315. The press block 311 is located on the side of the receiving member 33 away from the bottom plate 10 and is slidably arranged in the direction pointing to the receiving member 33. The press cylinder 313 is located on one side of the receiving member 33, and the piston rod of the press cylinder 313 is arranged parallel to the sliding direction of the press block 311. In one embodiment, a cylinder pad 3131 is arranged on the side of the press cylinder 313 pointing to the bottom plate 10, and the cylinder pad 3131 is used to support the press cylinder 313.

[0041] The press connecting rod 315 is used to connect the press block 311 and the press cylinder 313, and the press connecting rod 315 is arranged on the side of the press cylinder 313 away from the bottom plate 10. In one embodiment, the press connecting rod 315 is arranged perpendicular to the press cylinder 313. The press cylinder 313 controls the press block 311 to reciprocate in the direction pointing to the receiving member 33 through the press connecting rod 315. In one embodiment, the press block 311 is arranged to rotate with the piston rod of the press cylinder 313 as the axis.

[0042] See also Figure 3 and Figure 4 The receiving member 33 is arranged on the base plate 10, and the receiving member 33 includes a support seat 331, a bearing seat 333 and a positioning plate 335. The support seat 331 is fixedly arranged on the base plate 10, and the bearing seat 333 is arranged on the side of the support seat 331 away from the base plate 10. The positioning plate 335 is arranged on the side of the bearing seat 333 away from the support seat 331. In one embodiment, the positioning plate 335 is arranged between the bearing seat 333 and the pressing block 311.

[0043] The support seat 331 is used to support the bearing seat 333 and the positioning plate 335 . In one embodiment, the support seat 331 is provided with a plurality of bolts inserted into the base plate 10 to fix the support seat 331 .

[0044] The bearing seat 333 is used to receive the positioning plate 335 and the cutter assembly 40. The bearing seat 333 is provided with a plurality of through grooves 3331 and equal-height floating pins 3333. There are two types of through grooves 3331. One type of through groove 3331 is used to place the cutter assembly 40, and the other type of through groove 3331 is used to place the equal-height floating pins 3333, and the equal-height floating pins 3333 are arranged through the groove. In one embodiment, the equal-height floating pins 3333 include a return spring 3335 sleeved on the outer periphery of the equal-height floating pins 3333 and a screw 3336 passing through the equal-height floating pins 3333. A step for the return spring 3335 to abut is provided in the through groove 3331 for placing the equal-height floating pins 3333. The return spring 3335 is arranged on the side of the step pointing to the positioning plate 335 and extending toward the positioning plate 335. In one embodiment, two equal-height floating pins 3333 are provided on each bearing seat 333, and the two equal-height floating pins 3333 are located at two ends of one diagonal line on the horizontal plane of the bearing seat 333. In one embodiment, the bearing seat 333 is substantially in the shape of a rectangular parallelepiped.

[0045] See also Figure 3The positioning plate 335 is provided with a guide column 3351, a locking screw 3353 and a contoured positioning groove 3357. The guide column 3351 penetrates the positioning plate 335 and is inserted on the bearing seat 333 to ensure that the positioning plate 335 is always located on the bearing seat 333. The locking screw 3353 is threadedly inserted on the positioning plate 335, and the nut of the locking screw 3353 is mutually abutted with the end of the guide column 3351 away from the bearing seat 333 to prevent the guide column 3351 from being separated from the bearing seat 333. The contoured positioning groove 3357 is arranged on the side of the positioning plate 335 away from the bearing seat 333 to carry the product. In one embodiment, the contoured positioning groove 3357 is roughly fan-shaped. In other embodiments, the contoured positioning groove 3357 can be set to a square, a triangle or other shapes that match the product. In one embodiment, the positioning plate 335 is set to be roughly rectangular plate.

[0046] In one embodiment, the positioning plate 335 is slidably arranged in a direction pointing toward the bearing seat 333, so that when it is not necessary to cut off the gate, the positioning plate 335 is away from the bearing seat 333, and the top end of the cutter assembly 40 is located between the positioning plate 335 and the bearing seat 333. When it is necessary to cut off the gate, the positioning plate 335 slides toward the bearing seat 333, and the top end of the cutter assembly 40 is located on the side of the positioning plate 335 away from the bearing seat 333, so as to facilitate the cutting of the product located on the positioning plate 335.

[0047] In one embodiment, a wheelbase adjustment device 337 is further provided on one side of one of the fixing components 30, and the wheelbase adjustment device 337 is arranged on the side of the fixing component 30 away from the other fixing component 30, and the wheelbase adjustment device 337 includes a vertically arranged fixing plate 3371 and an adjustment screw 3372 passing through the fixing plate 3371, and the fixing plate 3371 is fixedly arranged on the base plate 10, and the adjustment screw 3372 is perpendicular to the plane where the fixing plate 3371 is located, and the adjustment screw 3372 is abutted against the side of the bearing seat 333.

[0048] See also Figure 4 and Figure 5The cutter assembly 40 and the fixing assembly 30 are arranged corresponding to each other. The cutter assembly 40 includes a blade 41, a blade fixing clamp 43 and a blade adjusting bolt 45. The blade 41 is embedded in the blade fixing clamp 43. In one embodiment, the blade 41 is a disposable blade 41. The blade fixing clamp 43 is fixedly arranged on the driving assembly 50. The blade fixing clamp 43 includes a blade clamp fixing bolt 431, a bevel pressing block 433 and a card slot 435. The blade clamp fixing bolt 431 passes through the blade fixing clamp 43 and is inserted in The drive assembly 50 is provided so that the blade fixing clamp 43 is fixedly arranged on the drive assembly 50, the slot 435 is used to embed the blade 41, the blade 41 is embedded in the slot 435 and protrudes in the slot 435, the bevel pressing block 433 is used to fix the blade 41 located in the slot 435, the bevel pressing block 433 is arranged in close contact with the blade 41, the bevel pressing block 433 is provided with a bolt penetrating the bevel pressing block 433, and the bolt is inserted in the blade fixing clamp 43. The blade adjustment bolt 45 is inserted in the bearing seat 333, and is used to adjust the position of the blade fixing clamp 43.

[0049] See also Figure 4 and Figure 5 , the driving assembly 50 is arranged below the cutter assembly 40. In one embodiment, the driving assembly 50 includes a bearing 51, a gear 53, a rack assembly 55, a pen-shaped driving cylinder 57 and a limiting device 59. The bearing 51 is located on the side of the blade fixing clamp 43 pointing to the base plate 10, and the blade clamp fixing bolt 431 on the blade fixing clamp 43 is inserted into the bearing 51. The rotation of the blade fixing clamp 43 is controlled by the rotation of the bearing 51; the gear 53 is arranged on the side of the bearing 51 pointing to the base plate 10, the gear 53 is coaxially arranged with the bearing 51, and the gear 53 and the bearing 51 are synchronously rotated, the rack assembly 55 is arranged on the side of the gear 53, and the rack assembly 55 and the gear 53 are matched with each other. The pen-shaped driving cylinder 57 is used to drive the displacement of the rack assembly 55 to rotate the gear 53, and the limiting device 59 is arranged at one end of the rack assembly 55 in the length direction to limit the displacement distance of the rack assembly 55.

[0050] In one embodiment, two bearings 51 are provided, and the bearings 51 are arranged in a vertical direction. The bearing 51 is provided with a bearing 51 end cover on the side of the bearing 51 pointing to the gear 53, and the axes of the two bearings 51 are penetrated by a rotating shaft 513. The gear 53 is coaxially arranged with the bearing 51, and a gear shaft 531 and a fixing bolt 533 are provided on the gear 53. The gear shaft 531 penetrates the gear 53 and is fixed with the rotating shaft 513. The axis of the gear shaft 531 is colinear with the axis of the rotating shaft 513. The fixing bolt 533 is inserted into the end of the gear shaft 531 away from the rotating shaft 513, and the nut of the fixing bolt 533 abuts against the side wall of the gear 53. In other embodiments, a gasket 535 is further provided between the fixing bolt 533 and the gear 53, and the gasket 535 is used to abut against the side wall of the gear 53 and the fixing bolt 533.

[0051] See also Figure 4 The rack assembly 55 includes a rack pair 551 and a rack seat 553. The rack pair 551 and the rack seat 553 are both extended along the length direction of the bottom plate 10. The rack pair 551 and the gear 53 are meshed with each other. The rack seat 553 is used to carry the rack pair 551. The rack pair 551 is fixedly arranged on the rack seat 553. In one embodiment, a plurality of bolts are arranged on the rack seat 553. The bolts penetrate the rack seat 553 and are inserted into the rack pair 551. In other embodiments, the rack seat 553 can also fix the rack pair 551 by means of a latch or other fixing methods. In one embodiment, a fixing groove 5531 and a precision linear track 5533 are provided on the side of the rack seat 553 pointing to the base plate 10, the fixing groove 5531 is provided on the side of the rack seat 553 pointing to the base plate 10, the precision linear track 5533 is fixed on the base plate 10, the precision linear track 5533 is extended along the length direction of the base plate 10, and the precision linear track 5533 and the fixing groove 5531 are cooperated with each other to keep the rack seat 553 sliding along the length direction of the base plate 10.

[0052] See also Figure 2 and Figure 3 The pen-shaped driving cylinder 57 is extended along the length direction of the base plate 10. A cylinder pad 571 and a shift fork 573 are provided on the pen-shaped driving cylinder 57. The cylinder pad 571 is fixed on the base plate 10. The cylinder pad 571 is used to fix the pen-shaped driving cylinder 57. The shift fork 573 is located at the end of the piston rod of the pen-shaped driving cylinder 57. The shift fork 573 is inserted on the rack seat 553 to drive the rack seat 553 and the piston rod on the pen-shaped driving cylinder 57 to move synchronously.

[0053] See also Figure 2 The limiting device 59 is arranged at one end of the rack seat 553 in the length direction. In one embodiment, the limiting device 59 is arranged on the pen-shaped driving cylinder 57 at one end of the piston rod. The limiting device 59 includes a limiting block 591, a limiting bolt 593 and an oil pressure buffer 595. The limiting block 591 is fixedly arranged on the base plate 10. The limiting bolt 593 and the oil pressure buffer 595 are both arranged vertically and pass through the limiting block 591. The length of the oil pressure buffer 595 on the side of the limiting block 591 pointing to the rack seat 553 is greater than the length of the limiting bolt 593 on the side of the limiting block 591 pointing to the rack seat 553.

[0054] See also Figure 6 The robot arm 200 includes a robot fixing plate 201, a chute plate 202, a suction cup fixing plate 203, a finger cylinder 205 and a suction cup 207. The robot fixing plate 201 is located at one end of the length direction of the robot arm 200. The chute plate 202 is arranged perpendicular to the robot fixing plate 201, and the chute plate 202 and the robot fixing plate 201 are fixed to each other. In one embodiment, a reinforcing rib plate 2021 is also arranged on the chute plate 202, and the reinforcing rib plate 2021 connects the chute plate 202 and the robot fixing plate 201, and the projection of the three in the vertical direction is a triangle. The suction cup fixing plate 203 is fixedly arranged on the side of the chute plate 202 away from the robot fixing plate 201, and the length direction of the suction cup fixing plate 203 is perpendicular to the robot fixing plate 201. In one embodiment, the suction cup fixing plate 203 is arranged roughly in the shape of a rectangular plate.

[0055] The finger cylinder 205 and the suction cup 207 are located at one end of the suction cup fixing plate 203 away from the slide plate 202, and are respectively located on both sides of the suction cup 207 in the vertical direction. In one embodiment, the finger cylinder 205 is located above the suction cup fixing plate 203, and the piston rod on the finger cylinder 205 passes through the suction cup fixing plate 203, the suction cup 207 is located below the suction cup fixing plate 203, and the suction cup 207 is fixed on the piston rod of the finger cylinder 205. The finger cylinder 205 is also provided with a finger cylinder fixing plate 2051, the finger cylinder fixing plate 2051 is located on two opposite sides of the finger cylinder 205, and the finger cylinder fixing plate 2051 is provided with bolts inserted into the finger cylinder 205, and the finger cylinder fixing plate 2051 is fixedly set on the suction cup fixing plate 203.

[0056] The present application provides an injection molding machine 1000, which uses a manipulator to take out the product located on the injection molding machine body 300, and places it on the rotary cutting jig 100, fixes the product through the fixing component 30, and then drives the cutter component 40 to move along the connecting surface between the gate and the product through the driving component 50, so as to cut the gate from the product. The rotary cutting jig 100 provided by the present application is online with the injection molding machine body 300, and has high production efficiency and high safety. The cutter component 40 moves along the connecting surface between the gate and the product, so that the incision is regular and neat, the incision does not change color, and the appearance has no hair, which can effectively improve the product yield.

[0057] The above implementation modes are only used to illustrate the technical solutions of the embodiments of the present application and are not intended to limit the present application. Although the embodiments of the present application are described in detail with reference to the above preferred implementation modes, those skilled in the art should understand that the technical solutions of the embodiments of the present application may be modified or replaced by equivalents without departing from the spirit and scope of the technical solutions of the embodiments of the present application.

Claims

1. A rotary cutting jig, comprising a base plate, a plurality of fixing components and a plurality of cutting blade components, characterized in that: A plurality of the fixing components are fixedly arranged on the bottom plate, the cutter components are arranged corresponding to the fixing components one by one, each of the cutter components is arranged in the corresponding fixing component, and the rotary cutting jig further comprises a driving component, the driving component is located on the fixing component, each of the driving components is connected to the corresponding cutter component, and is used to drive the cutter component to move along the connection surface between the gate and the product to cut off the gate; Each of the cutter assemblies comprises a blade, a blade fixing clamp and a blade adjusting bolt; the blade is embedded in the blade fixing clamp, the driving assembly drives the blade fixing clamp to rotate so as to drive the blade to move along the connecting surface between the gate and the product to cut the fan-shaped flat seam gate on the product; the blade adjusting bolt is used to adjust the position of the blade fixing clamp; The blade fixing clamp includes a blade fixing bolt, a bevel pressing block and a slot, the blade fixing bolt passes through the blade fixing clamp and is inserted on the drive assembly so that the blade fixing clamp is fixedly set on the drive assembly; the blade is embedded in the slot and protrudes in the slot, and the bevel pressing block is used to fix the blade located in the slot; the bevel pressing block is fitted with the blade, and a bolt passing through the bevel pressing block is provided on the bevel pressing block, and the bolt is inserted on the blade fixing clamp.

2. The rotary cutting jig according to claim 1, characterized in that: The bottom plate is in a rectangular shape and is provided with a positioning groove.

3. The rotary cutting tool according to claim 1, characterized in that: The fixing assembly comprises a pressing piece and a receiving piece, wherein the receiving piece is fixed on the bottom plate, the pressing piece is located on the side of the receiving piece away from the bottom plate, and a pressing block is provided on the pressing piece which slides in the direction pointing to the receiving piece.

4. The rotary cutting jig according to claim 3, characterized in that: The receiving member includes a support seat and a positioning plate. The support seat is fixedly arranged on the bottom plate. The positioning plate is located on the side of the support seat away from the bottom plate. The positioning plate is provided with a contoured positioning groove for fixing the product.

5. The rotary cutting tool according to claim 3, characterized in that: The pressing member also includes a pressing cylinder and a pressing connecting rod. The pressing cylinder is arranged perpendicular to the base plate. The pressing connecting rod is used to connect the pressing cylinder and the pressing block. The pressing cylinder is used to drive the pressing block to slide in a direction perpendicular to the base plate.

6. The rotary cutting jig according to claim 4, characterized in that: The cutter assembly is arranged on one side of the positioning plate.

7. The rotary cutting tool according to claim 6, characterized in that: The driving assembly includes a bearing, a gear and a rack assembly. The bearing is coaxially arranged with the gear and rotates synchronously. The blade fixing frame is fixed on the bearing. The gear and the rack assembly are meshed with each other. The rack assembly extends along the length direction of the base plate and is slidably arranged.

8. The rotary cutting tool according to claim 7, characterized in that: The driving assembly also includes a pen-shaped driving cylinder, which is fixedly arranged on the base plate. The pen-shaped driving cylinder and the rack assembly are arranged parallel to each other. The pen-shaped driving cylinder is provided with a shift fork inserted into the rack assembly to control the sliding of the rack assembly.

9. The rotary cutting jig according to claim 8, characterized in that: The driving assembly also includes a limiting device, which includes a limiting block and a hydraulic buffer. The limiting block is located at one end of the sliding direction of the rack assembly, and the hydraulic buffer is inserted on the limiting block.

10. An injection molding machine, comprising an injection molding machine body, characterized in that: It also includes the rotary cutting jig according to any one of claims 1 to 9, wherein a robotic arm is provided between the rotary cutting jig and the injection molding machine body, and the robotic arm is used to transfer the finished product of the injection molding machine body to the rotary cutting jig.

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