Shearing device for injection molded part

Abstract

The shearing device comprises a fixed plate, a movable plate is assembled on the top of the fixed plate through a sliding assembly, a movable working position is arranged on the top of the movable plate, a fixed working position is arranged on the top of the fixed plate beside the movable plate, and the movable working position comprises a first supporting mechanism. The fixed working position comprises a second supporting mechanism, the first supporting mechanism and the second supporting mechanism support a workpiece at the same time, the movable working position and the movable working position each comprise a shearing unit, a plurality of pneumatic scissors are arranged in each shearing unit, and sprues at the two ends of the workpiece are sheared off through the pneumatic scissors. Through the arrangement of the fixed working position and the movable working position, the sprue shearing on different workpieces can be automatically completed, so that manual treatment is not needed, the labor cost is reduced, the production efficiency is improved, the consistency of treated products is good, and the product quality can be effectively improved.

Description

Technical Field

[0001] The utility model relates to the technical field of post-injection molding treatment, in particular to a shearing device for injection molded parts. Background Art

[0002] During the injection molding process of injection molded parts, it is necessary to introduce molten plastic into the mold cavity through the gate. After injection molding, the gate needs to be removed to obtain qualified injection molded parts.

[0003] In the prior art, the gate is manually cut with scissors. However, the production efficiency of the manual method is low, the manual labor intensity is high, and the labor cost is high; at the same time, the consistency of the manual cutting method is poor, and sometimes the cutting is not in place, resulting in protrusions at the separation of the gate and the injection molded part, affecting the quality of the injection molded part. Summary of the Utility Model

[0004] The applicant of the present utility model aims at the above-mentioned disadvantages in the existing production technology, and provides a shearing device for injection molded parts. By setting a fixed working position and a movable working position, the shearing of the gates on different workpieces can be automatically completed, thus eliminating the need for manual processing, reducing the labor cost, improving the production efficiency, and having good consistency of the processed products, which can effectively improve the product quality.

[0005] The technical solution adopted by the present utility model is as follows:

[0006] A shearing device for injection molded parts includes a fixed plate. The top of the fixed plate is equipped with a movable plate through a sliding component. The top of the movable plate is provided with a movable working position. The top of the fixed plate beside the movable plate is provided with a fixed working position. The movable working position includes a first support mechanism, and the fixed working position includes a second support mechanism. The first support mechanism and the second support mechanism support the workpiece at the same time. Both the movable working position and the fixed working position include a shearing unit. Several pneumatic scissors are arranged in a single shearing unit, and the gates at both ends of the workpiece are cut off by the pneumatic scissors;

[0007] When the movable plate slides relative to the fixed plate, it drives the movable working position to make a linear motion close to or away from the fixed working position, so as to match workpieces of different lengths.

[0008] As a further improvement of the above technical solution:

[0009] A single shearing unit includes a first shearing mechanism and two symmetrically arranged second shearing mechanisms;

[0010] The two second shearing mechanisms in the movable working position are symmetrically arranged relative to the first support mechanism, and the two second shearing mechanisms in the fixed working position are symmetrically arranged relative to the second support mechanism.

[0011] The structure of a single first shearing mechanism is as follows: It includes a mounting column, on the top of which a first cylinder is fixed. The first cylinder is arranged obliquely. The output end of the first cylinder is connected to the back of the first plate of the first connecting seat. On the front of the first plate of the first connecting seat, a first pneumatic scissors is fixed.

[0012] The first cylinder drives the first connecting seat to move linearly, thereby driving the first pneumatic scissors to move linearly along the normal direction of the end face of the first plate of the first connecting seat.

[0013] The structure of a single second shearing mechanism is as follows: It includes a base, on the top end face of which there is an inclined plane. On the inclined plane, a second cylinder is fixed. The output end of the second cylinder is connected to the back of the first plate of the second connecting seat. On the second plate of the second connecting seat, a third cylinder is fixed. The first plate and the second plate of the second connecting seat are arranged perpendicular to each other, so that the second connecting seat is in an L shape.

[0014] On the front of the first plate of the second connecting seat, several parallel guide rails are fixed. A slider is equipped on a single guide rail. The top of the slider is fixed to the first plate of the third connecting seat. The second plate of the third connecting seat is connected to the output end of the third cylinder. On the second plate of the third connecting seat, a second pneumatic scissors is fixed. The first plate and the second plate of the third connecting seat are arranged perpendicular to each other, so that the third connecting seat is in an L shape.

[0015] The second cylinder drives the second connecting seat to move linearly, thereby driving the second pneumatic scissors to move linearly along the normal direction of the end face of the first plate of the second connecting seat through the third connecting seat.

[0016] The third cylinder drives the third connecting seat to move linearly, thereby driving the second pneumatic scissors to move linearly along the guide rail.

[0017] The structure of the first supporting mechanism is as follows: It includes a first supporting column, on the top of which a first mounting seat is fixed. On the top of the first mounting seat, a first supporting block is fixed. At the bottom of the first mounting seat, an adjusting cylinder is fixed. The output end of the adjusting cylinder is connected to an adjusting piece through a connecting plate.

[0018] The structure of the second supporting mechanism is as follows: It includes a second supporting column, on the top of which a second mounting seat is fixed. On the top of the second mounting seat, a second supporting block is fixed.

[0019] An opposed sensor assembly is equipped on the second supporting mechanism.

[0020] An array of locking components is equipped between the fixed plate and the movable plate. After the movable plate slides in place, it is locked and fixed by the locking components.

[0021] The single-group locking assembly includes a fixed block fixed to the top of the fixed plate. A locking hole is formed in the top of the fixed block, and a locking pin is fitted in the locking hole. The locking pin is fitted with an oblong hole formed in the end face of the movable plate.

[0022] The locking pin passes through the oblong hole and the locking hole at the same time. By tightening the locking pin, the movable plate is locked and fixed relative to the fixed plate.

[0023] A support platform is fitted at the bottom of the fixed plate.

[0024] The beneficial effects of the present utility model are as follows:

[0025] The structure of the present utility model is compact and reasonable, and the operation is convenient. By setting a fixed working position and a movable working position, it can automatically complete the shearing of the gates on different workpieces, thus eliminating the need for manual processing, reducing the labor cost, improving the production efficiency, and having good consistency of the processed products, which can effectively improve the product quality.

[0026] The present utility model also has the following advantages:

[0027] (1) By setting a sliding assembly, a fixed plate, and a movable plate, the present utility model can drive the movable working position to move away from or close to the fixed working position to match various types of workpieces and improve the compatibility of the device.

[0028] (2) By setting a locking assembly, the present utility model can prevent the movable plate 11 from shifting during the shearing process of the shearing unit, thus ensuring the working stability of the shearing device.

[0029] (3) By arranging the pneumatic scissors obliquely, the present utility model can ensure that the pneumatic scissors can all abut against the root of the corresponding gate, thereby improving the shearing effect and ensuring the smooth surface of the workpiece after the gate is cut off.

[0030] (4) By setting a second cylinder, a third cylinder, a second connecting seat, and a third connecting seat, the present utility model enables the second pneumatic scissors to move linearly in two mutually perpendicular directions respectively, so as to ensure that the second pneumatic scissors can be pressed against the root of the corresponding gate for shearing.

[0031] (5) By setting an adjusting cylinder, an adjusting piece, and a connecting plate, the present utility model can push the workpiece along the length direction of the workpiece, thereby adjusting the placement position of the workpiece on the two supporting mechanisms, so that the outer wall surface of one end of the workpiece always abuts against the side wall surface of the second limiting seat to ensure the repeatability of the shearing device. Description of the Drawings

[0032] Figure 1 It is a schematic structural diagram of the present utility model.

[0033] Figure 2This is a schematic diagram of the installation structure of the first support mechanism and the second support mechanism in the present utility model.

[0034] Figure 3 It is Figure 2 a partial enlarged view of the location A in

[0035] Figure 4 It is Figure 2 an exploded view of (the opposed sensor assembly is omitted).

[0036] Figure 5 This is a schematic diagram of the structure of the first shearing mechanism in the present utility model.

[0037] Figure 6 This is a schematic diagram of the structure of the second shearing mechanism in the present utility model.

[0038] Figure 7 It is Figure 6 the front view of

[0039] Figure 8 This is a schematic diagram of the structure of the workpiece in the present utility model.

[0040] Wherein: 1. First support mechanism; 2. Second support mechanism; 3. Workpiece; 4. Support table; 5. First shearing mechanism; 6. Second shearing mechanism; 7. Opposed sensor assembly; 8. Gate; 9. Sliding assembly; 10. Fixed plate; 11. Movable plate; 12. Locking pin; 13. Fixed block; 14. Locking hole; 15. Oval slot;

[0041] 101. First support column; 102. First mounting seat; 103. First limit seat; 104. First support block; 105. Adjusting cylinder; 106. Adjusting piece; 107. Connecting plate;

[0042] 201. Second support column; 202. Second mounting seat; 203. Second limit seat; 204. Second support block;

[0043] 501. Mounting column; 502. First connecting seat; 503. First cylinder; 504. First pneumatic scissors; 505. First limit block; 506. Second limit block;

[0044] 601. Base; 602. Second cylinder; 603. Third cylinder; 604. Second connecting seat; 605. Third connecting seat; 606. Limit nut; 607. Slide rail; 608. Slide block; 609. Second pneumatic scissors; 610. Third limit block; 611. Fourth limit block. Detailed implementation manners

[0045] The following will describe the detailed implementation manners of the present utility model with reference to the accompanying drawings.

[0046] The structure and functions of the present utility model are as follows:

[0047] As Figures 1 - 8 shown, a shearing device for injection molded parts includes a fixed plate 10. The top of the fixed plate 10 is equipped with a movable plate 11 through a sliding assembly 9. The top of the movable plate 11 is provided with a movable working position. The top of the fixed plate 10 beside the movable plate 11 is provided with a fixed working position. The movable working position includes a first support mechanism 1, and the fixed working position includes a second support mechanism 2. The first support mechanism 1 and the second support mechanism 2 support the workpiece 3 simultaneously. Both the movable working position and the fixed working position include shearing units. Several pneumatic scissors are arranged in a single shearing unit, and the gate 8 at both ends of the workpiece 3 is cut off by the pneumatic scissors. When the movable plate 11 slides relative to the fixed plate 10, it drives the movable working position to make a linear motion closer to or farther from the fixed working position, so as to match workpieces 3 of different lengths.

[0048] The shearing device of the present utility model includes a sliding assembly 9, a fixed plate 10, and a movable plate 11. Among them, a fixed working position is arranged on the fixed plate 10, and a movable working position is arranged on the movable plate 10. The movable plate 11 can be translated relative to the fixed plate through the sliding assembly 9, so as to drive the movable working position to move away from or closer to the fixed working position, in order to match various types of workpieces 3 and improve the compatibility of the device. In the present utility model, the sliding assembly 9 can adopt the form of a guide rail and a guide block. The guide rail is fixed to the top of the fixed plate 10, and the guide block is fixed to the bottom of the movable plate 11. The movement stability of the movable plate 11 is ensured by the mutually cooperating guide rail and guide block.

[0049] In addition, a support table 4 is equipped at the bottom of the fixed plate 10, and the support table 4 is used to support other components. A plurality of groups of locking assemblies are equipped between the fixed plate 10 and the movable plate 11. After the movable plate 11 slides in place, it is locked and fixed by the locking assemblies. A single group of locking assemblies includes a fixed block 13 fixed to the top of the fixed plate 10. A locking hole 14 is opened at the top of the fixed block 13, and a locking pin 12 is equipped in the locking hole 14. The locking pin 12 is assembled with an oblong hole 15 opened on the end face of the movable plate 11. The locking pin 12 passes through the oblong hole 15 and the locking hole 14 at the same time. By tightening the locking pin 12, the movable plate 11 is locked and fixed relative to the fixed plate 10. By setting the locking assemblies, it is possible to prevent the movable plate 11 from shifting during the shearing process of the shearing unit, thus ensuring the working stability of the shearing device;

[0050] When it is necessary to adjust the movable plate 11, the operator can loosen the locking pin 12 and manually push the movable plate 11, so that the movable plate 11 moves along the length direction of the sliding assembly. By setting the oblong hole 15, it is avoided that the locking pin 12 interferes with the movement of the movable plate 11 during the adjustment process.

[0051] In the present utility model, the movable working position includes a first support mechanism 1 and a shearing unit, and the fixed working position includes a second support mechanism 2 and another shearing unit; the two shearing units have the same composition and are symmetrically arranged for trimming the gate 8 on the workpiece 3.

[0052] As Figure 8 shown, in the present utility model, a total of six gates 8 are provided on the workpiece 3. Correspondingly, a single shearing unit includes a first shearing mechanism 5 and two symmetrically arranged second shearing mechanisms 6; the two second shearing mechanisms 6 in the movable working position are symmetrically arranged relative to the first support mechanism 1, and the two second shearing mechanisms 6 in the fixed working position are symmetrically arranged relative to the second support mechanism 2. The first shearing mechanism 5 is used for trimming the middle gate 8 at both ends of the workpiece 3, and the second shearing mechanism 6 is used for trimming the gates 8 at both ends of the workpiece 3 at both sides.

[0053] In addition, in order to improve the shearing effect and ensure that the surface of the workpiece 3 is flat after the gate 8 is trimmed, as Figures 5 - 7 shown, the pneumatic scissors in the present utility model are all inclinedly arranged so that the pneumatic scissors can all abut against the root of the corresponding gate 8.

[0054] As Figure 5 shown, the structure of a single first shearing mechanism 5 is: including a mounting column 501, a first cylinder 503 is fixed to the top of the mounting column 501, the first cylinder 503 is inclinedly arranged, the output end of the first cylinder 503 is connected to the back surface of the first plate body of the first connecting seat 502, and a first pneumatic scissor 504 is fixed to the front surface of the first plate body of the first connecting seat 502; the first cylinder 503 drives the first connecting seat 502 to perform a linear motion, thereby driving the first pneumatic scissor 504 to perform a linear motion along the normal direction of the end face of the first plate body of the first connecting seat 502. By arranging the first cylinder 503 inclinedly to ensure that it can be inclinedly arranged;

[0055] In addition, a second plate body of the first connecting seat 502 is also fixed to the back surface of the first plate body of the first connecting seat 502. The first plate body and the second plate body of the first connecting seat 502 are perpendicular to each other, so that the first connecting seat 502 is in an L shape; the normal line of the end face of the first plate body of the first connecting seat 502 is parallel to the axial direction of the piston rod of the first cylinder 503, so as to ensure that the first pneumatic scissor 504 can perform a linear motion along the inclined direction of the first cylinder 503;

[0056] A first limiting block 505 is fixed to the outer side wall of the first cylinder 503, and a second limiting block 506 is fixed to the side wall of the second plate body of the first connecting seat 502. The second limiting block 506 corresponds to the first limiting block 505 and can control the maximum stroke of the piston rod of the first cylinder 503 to extend.

[0057] In the present utility model, the first pneumatic scissors 504 adopted are pneumatic scissors with integrated height adjustment and shearing functions. Specifically, pneumatic scissors of model GT-NY10 of VESSEL company can be purchased. After the first cylinder 503 is adjusted, the first pneumatic scissors 504 can move linearly along the axial direction of the piston rod inside it, so that the cutting head of the first pneumatic scissors 504 can press against the root of the corresponding gate 8 for shearing.

[0058] As Figures 6 - 7 shown, the structure of a single second shearing mechanism 6 is as follows: it includes a base 601. The top end face of the base 601 is provided with an inclined surface, and a second cylinder 602 is fixed on the inclined surface. The output end of the second cylinder 602 is connected to the back of the first plate body of the second connecting seat 604. A third cylinder 603 is fixed on the second plate body of the second connecting seat 604. The first plate body and the second plate body of the second connecting seat 604 are arranged perpendicular to each other, so that the second connecting seat 604 is in an L shape; several parallel slide rails 607 are fixed on the front of the first plate body of the second connecting seat 604. A slider 608 is equipped on a single slide rail 607. The top of the slider 608 is fixed to the first plate body of the third connecting seat 605. The second plate body of the third connecting seat 605 is connected to the output end of the third cylinder 603. A second pneumatic scissors 609 is fixed on the second plate body of the third connecting seat 605. The first plate body and the second plate body of the third connecting seat 605 are arranged perpendicular to each other, so that the third connecting seat 605 is in an L shape; the second cylinder 602 drives the second connecting seat 604 to move linearly, so as to drive the second pneumatic scissors 609 to move linearly along the normal direction of the end face of the first plate body of the second connecting seat 604 through the third connecting seat 605; the third cylinder 603 drives the third connecting seat 605 to move linearly, so as to drive the second pneumatic scissors 609 to move linearly along the slide rail 607. In the present utility model, the first plate body of the second connecting seat 604 and the first plate body of the third connecting seat 605 are arranged in parallel, and the inclined surface on the base 601 is arranged in parallel with the second plate body of the second connecting seat 604 and the second plate body of the third connecting seat 605.

[0059] In addition, the second cylinder 602 is connected to the second connecting seat 604 through a sliding seat, and the sliding seat can ensure the smoothness of the linear movement of the second cylinder 602 driving the second connecting seat 604; a third limit block 610 is fixed on the outer side wall of the second cylinder 602, and a fourth limit block 611 is fixed on the side wall of the sliding seat. The fourth limit block 611 corresponds to the third limit block 610 and can control the maximum stroke of the piston rod output of the second cylinder 602;

[0060] A limit nut 606 is installed between the second plate body of the second connecting seat 604 and the second plate body of the third connecting seat 605, and the limit nut 606 can control the minimum stroke of the piston rod output of the third cylinder 603;

[0061] By setting the second cylinder 602, the third cylinder 603, the second connecting seat 604, and the third connecting seat 605, the second pneumatic scissors 609 can perform linear motion in two mutually perpendicular directions respectively, so as to ensure that the second pneumatic scissors 609 can be pressed against the root of the corresponding gate 8 for shearing.

[0062] As Figures 2 - 4 shown, the structure of the first support mechanism 1 is: including a first support column 101, a first mounting seat 102 is fixed at the top of the first support column 101, a first support block 104 is fixed at the top of the first mounting seat 102, an adjustment cylinder 105 is fixed at the bottom of the first mounting seat 102, and the output end of the adjustment cylinder 105 is connected to an adjustment piece 106 through a connecting plate 107; the structure of the second support mechanism 2 is: including a second support column 201, a second mounting seat 202 is fixed at the top of the second support column 201, and a second support block 204 is fixed at the top of the second mounting seat 202. In the present utility model, a first limit seat 103 is further fixed on the side wall of the first mounting seat 102, a second limit seat 104 is fixed on the side wall of the second mounting seat 202, and the second limit seat 104 corresponds to the first limit seat 103. When the shearing device works, it restricts the displacement of the workpiece 3 along its length direction by abutting against the outer wall surface of the end of the workpiece 3;

[0063] By setting the adjustment cylinder 105, the adjustment piece 106, and the connecting plate 107, the workpiece 3 can be pushed along the length direction of the workpiece 3, so as to adjust the placement position of the workpiece 3 on the two support mechanisms, so that the outer wall surface of one end of the workpiece 3 is closely attached to the side wall surface of the second limit seat 104 to ensure the repeatability of the shearing device.

[0064] An opposed sensor assembly 7 is equipped on the second support mechanism 2. The opposed sensor assembly 7 is used to detect whether the workpiece 3 is placed in place.

[0065] The working process of the present utility model is as follows:

[0066] The injection-molded workpiece 3 is placed on the first support block 104 and the second support block 204 by an external manipulator, so that the workpiece 3 is supported by the first support mechanism 1 and the second support mechanism 2 at the same time. At this time, the opposed sensor assembly 7 sends a material incoming signal to the shearing unit;

[0067] The two shearing units act simultaneously. First, for a single first shearing machine 5, the first cylinder 503 extends so that the corresponding first pneumatic scissors 504 reach above the workpiece 3. Subsequently, the first pneumatic scissors 504 itself performs height adjustment, so that the position of its tool head drops, so that the first pneumatic scissors 504 are pressed against the root of the corresponding gate 8, and then the first pneumatic scissors 504 cut off the gate 8;

[0068] For a single second shearing mechanism 6, the second cylinder 602 extends so that the second pneumatic scissors 609 reach above the corresponding workpiece 3. Subsequently, the third cylinder 603 retracts so that the second pneumatic scissors 609 press against the root of the corresponding gate 8. Then, the second pneumatic scissors 609 cut off the gate 8.

[0069] Finally, the workpiece 3 after shearing is transported to the centralized storage location by an external manipulator.

[0070] The above description is an explanation of the present utility model, not a limitation thereof. The scope defined by the present utility model is referred to the claims. Any form of modification can be made within the protection scope of the present utility model.

Claims

1. A shearing device for injection molded parts, characterized in that: It includes a fixed plate (10). The top of the fixed plate (10) is equipped with a movable plate (11) through a sliding component (9). The top of the movable plate (11) is provided with a movable working position, and the top of the fixed plate (10) beside the movable plate (11) is provided with a fixed working position. The movable working position includes a first support mechanism (1), and the fixed working position includes a second support mechanism (2). The first support mechanism (1) and the second support mechanism (2) support a workpiece (3) simultaneously. Both the movable working position and the fixed working position include a shearing unit. Several pneumatic scissors are arranged in a single shearing unit, and the gates (8) at both ends of the workpiece (3) are cut off by the pneumatic scissors. When the movable plate (11) slides relative to the fixed plate (10), it drives the movable working position to make a linear motion closer to or farther from the fixed working position, so as to match workpieces (3) of different lengths.

2. The shearing device for injection molded parts according to claim 1, wherein: A single shearing unit includes a first shearing mechanism (5) and two symmetrically arranged second shearing mechanisms (6). The two second shearing mechanisms (6) in the movable working position are symmetrically arranged relative to the first support mechanism (1), and the two second shearing mechanisms (6) in the fixed working position are symmetrically arranged relative to the second support mechanism (2).

3. The shearing device for injection molded parts according to claim 2, characterized in that: The structure of a single first shearing mechanism (5) is as follows: it includes a mounting column (501). The top of the mounting column (501) fixes a first cylinder (503). The first cylinder (503) is arranged obliquely. The output end of the first cylinder (503) is connected to the back surface of the first plate body of a first connecting seat (502). The front surface of the first plate body of the first connecting seat (502) fixes a first pneumatic scissor (504). The first cylinder (503) drives the first connecting seat (502) to make a linear motion, thereby driving the first pneumatic scissor (504) to make a linear motion along the normal direction of the end surface of the first plate body of the first connecting seat (502).

4. A shearing device for injection molded parts according to claim 2, characterized in that: The structure of a single second shearing mechanism (6) is as follows: it includes a base (601). The top end surface of the base (601) is provided with an inclined surface. A second cylinder (602) is fixed on the inclined surface. The output end of the second cylinder (602) is connected to the back surface of the first plate body of a second connecting seat (604). A third cylinder (603) is fixed on the second plate body of the second connecting seat (604). The first plate body and the second plate body of the second connecting seat (604) are arranged perpendicular to each other, so that the second connecting seat (604) is in an L shape. Several parallel slide rails (607) are fixed on the front surface of the first plate body of the second connecting seat (604). A slider (608) is equipped on a single slide rail (607). The top of the slider (608) is fixed to the first plate body of a third connecting seat (605). The second plate body of the third connecting seat (605) is connected to the output end of the third cylinder (603). A second pneumatic scissor (609) is fixed on the second plate body of the third connecting seat (605). The first plate body and the second plate body of the third connecting seat (605) are arranged perpendicular to each other, so that the third connecting seat (605) is in an L shape. The second cylinder (602) drives the second connecting seat (604) to move linearly, so as to drive the second pneumatic scissors (609) to move linearly along the normal direction of the end face of the first plate body of the second connecting seat (604) through the third connecting seat (605); The third cylinder (603) drives the third connecting seat (605) to move linearly, so as to drive the second pneumatic scissors (609) to move linearly along the slide rail (607).

5. A shearing device for injection molded parts according to claim 1, characterized in that: The structure of the first support mechanism (1) is as follows: it includes a first support column (101), a first mounting seat (102) is fixed at the top of the first support column (101), a first support block (104) is fixed at the top of the first mounting seat (102), an adjustment cylinder (105) is fixed at the bottom of the first mounting seat (102), and the output end of the adjustment cylinder (105) is connected to an adjustment piece (106) through a connecting plate (107).

6. The shearing device for injection molded parts according to claim 1, characterized in that: The structure of the second support mechanism (2) is as follows: it includes a second support column (201), a second mounting seat (202) is fixed at the top of the second support column (201), and a second support block (204) is fixed at the top of the second mounting seat (202).

7. The shearing device for injection molded parts according to claim 1, characterized in that: An opposed sensor assembly (7) is equipped on the second support mechanism (2).

8. The shearing device for injection molded parts according to claim 1, characterized in that: A plurality of groups of locking components are equipped between the fixed plate (10) and the movable plate (11), and the movable plate (11) is locked and fixed by the locking components after sliding in place.

9. The shearing device for injection molded parts according to claim 8, wherein: A single group of locking components includes a fixed block (13) fixed at the top of the fixed plate (10), a locking hole (14) is opened at the top of the fixed block (13), a locking pin (12) is equipped in the locking hole (14), and the locking pin (12) is fitted with an oblong hole (15) opened on the end face of the movable plate (11); The locking pin (12) passes through the oblong hole (15) and the locking hole (14) at the same time, and by tightening the locking pin (12), the movable plate (11) is locked and fixed relative to the fixed plate (10).

10. A shearing device for injection molded parts according to claim 1, characterized in that: A support table (4) is equipped at the bottom of the fixed plate (10).

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