Shearing device

Abstract

The utility model discloses a shearing device, which relates to the technical field of shearing and comprises a working table, a knife rest is fixedly arranged at the upper end of the working table, a first mounting groove is formed in the knife rest, sliding grooves are formed in two sides of the knife rest, an air cylinder is fixedly mounted at the upper end of the knife rest, and a cutting knife is fixedly mounted at the output end of the air cylinder. And the two sides of the cutting knife are each provided with a limiting block, the two limiting blocks are slidably connected with the corresponding sliding grooves correspondingly, a second mounting groove is formed in the middle of the cutting knife, a heating block is arranged in the second mounting groove, the two sides of the knife rest are correspondingly provided with a clamping mechanism and a limiting mechanism, and supporting foot stands are arranged at the bottom of the workbench. Through the heating block in the cutting knife, the temperature of the surface of the cutting knife is increased, and burrs on the surface of a workpiece during cutting are avoided, so that the cutting efficiency and the workpiece quality are improved.

Description

Technical Field

[0001] The utility model relates to the technical field of shearing, in particular to a shearing device. Background Art

[0002] Dolls are generally referred to as toys used for children to comfort them and for them to play with. Materials for making dolls include glass, metal, clay, wood, cloth, ceramics, resin, etc. When making some rubber dolls, shearing equipment is used to cut the required materials for easy processing and use.

[0003] Among them, the patent publication number is CN215037756U, which discloses a workpiece shearing device, including a working frame, and a cutting knife assembly for cutting the workpiece is arranged at the upper end of the working frame. The characteristics are: a sliding plate is arranged on the upper surface of the working frame, a fixed block is fixedly connected to the upper surface of the sliding plate, a sliding block is slidingly clamped on the upper surface of the sliding plate, and a driving assembly is fixedly connected to the upper surface of the sliding plate for driving the sliding block to move toward the fixed block and press the workpiece.

[0004] In the above scheme, the structure of the workpiece shearing device is relatively simple, which brings great inconvenience to the cutting process. The current device cuts the workpiece through a blade, which will leave defects at the cut of the workpiece and the cutting effect is poor, which will cause the staff to perform secondary processing on the workpiece, affecting work efficiency. Utility Model Content

[0005] In view of the problems existing in the above-mentioned existing workpiece shearing device, the present utility model is proposed.

[0006] Therefore, the purpose of the utility model is to provide a shearing device that solves the problem that when a blade cuts a workpiece, there will be defects at the cut of the workpiece, resulting in poor cutting effect, which will cause the staff to need to perform secondary processing on the workpiece, affecting work efficiency.

[0007] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0008] A shearing device comprises a workbench, wherein a knife holder is fixedly provided at the upper end of the workbench, a first mounting groove is provided inside the knife holder, and slide grooves are provided on both sides of the knife holder, a cylinder is fixedly provided on the upper end of the knife holder, and a cutting knife is fixedly provided on the output end of the cylinder, and limit blocks are provided on both sides of the cutting knife, and the two limit blocks are slidably connected with the corresponding slide grooves respectively, a second mounting groove is provided in the middle of the cutting knife, a heating block is provided inside the second mounting groove, and a clamping mechanism and a limit mechanism are correspondingly installed on both sides of the knife holder, and a supporting foot frame is provided at the bottom of the workbench, and the surface temperature of the cutting knife is increased by starting the heating block in the cutting knife, and then the cutting knife is driven to fall and cut the workpiece by starting the cylinder, and at the same time, the limit blocks on both sides of the cutting knife move downward through the slide groove, which can prevent the cutting knife from deviating in angle, and can better cut the workpiece, avoid burrs on the surface of the workpiece, and change the cutting angle, thereby improving the cutting efficiency and quality.

[0009] Preferably, the clamping mechanism includes a first mounting box, a second mounting box and a first screw rod, the first mounting box and the second mounting box are each provided with a plurality of connecting rods, the rod walls of the plurality of connecting rods are rotatably sleeved with rollers, the first mounting box is fixedly arranged on the upper end of the workbench, the top of the workbench is provided with a third mounting slot, the first screw rod is rotatably arranged inside the third mounting slot, the rod wall of the first screw rod is threadedly sleeved with a first connecting block, the first connecting block is fixedly connected to the second mounting box, a motor is fixedly arranged on one side of the workbench, the output end of the motor is fixedly connected to one end of the first screw rod, the first screw rod is fixedly installed with the second mounting box through the connecting block, and by providing a clamping mechanism, the driving motor makes the second mounting box clamp according to the different widths of the cutting workpiece, and a plurality of rollers are provided in the two mounting boxes, thereby reducing the friction between the workpiece and the rollers, so as to assist employees in pushing the workpiece and improve work efficiency.

[0010] Preferably, the limiting mechanism includes a limiting plate and a screw rod, the limiting plate is arranged at the upper end of the workbench, a fourth mounting slot is opened on the top of the workbench, the second screw rod is rotatably arranged inside the fourth mounting slot, the second screw rod wall is sleeved with a second connecting block, the second connecting block is fixedly connected to the limiting plate, one end of the second screw rod is fixedly connected to a turntable, and one end of the turntable is fixedly connected to a rotating handle, by providing a limiting mechanism, when the employee rotates the rotating handle, the second screw rod rotates through the connecting block to drive the movement of the limiting plate, and the cutting length of the workpiece can be adjusted at will.

[0011] Preferably, a cutting groove is provided below the workbench tool holder, and the cutting groove can prevent the cutting knife from hitting the workbench during the falling cutting process, thereby preventing the cutting knife from being damaged.

[0012] Furthermore, the side wall of the fourth mounting groove is provided with scale lines, and through the scale lines on the fourth mounting side wall, the employee can accurately adjust the limit mechanism to control the cutting length of the workpiece.

[0013] Preferably, one end of the supporting legs is symmetrically fixed on the bottom of the workbench, and the end of the supporting legs away from the workbench is provided with a rubber pad. The rubber pad is provided at the bottom of the supporting legs to prevent the workbench from shaking during the cutting process of the workpiece.

[0014] In the above technical solution, the technical effects and advantages provided by the utility model are:

[0015] 1. The utility model starts the heating block in the cutting knife to increase the surface temperature of the cutting knife, and then drives the cutting knife to fall and cut through the cylinder on the workbench knife holder. At the same time, the limit blocks on both sides of the cutting knife move downward through the slide groove, which can prevent the cutting knife from angular deviation, avoid burrs on the surface of the workpiece, change the cutting angle, and improve the cutting efficiency and quality.

[0016] 2. The utility model uses a limiting mechanism on the workbench. When an employee uses the turning handle, the turning handle rotates to drive the first screw rod to rotate, so that the second connecting block on the first screw rod drives the limiting plate to move. When in use, the employee can accurately control the length of the cut plate by observing the scale line in the fourth installation groove.

[0017] 3. In the utility model, through the clamping mechanism provided on the workbench, the employee starts the motor to rotate the second screw rod, so that the first connecting block drives the second mounting box to move, so that it can clamp workpieces of different widths, and rollers are provided in the two mounting boxes to reduce the friction with the workpiece, making it convenient for the staff to push the workpiece. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments recorded in the present utility model. For ordinary technicians in this field, other drawings can also be obtained based on these drawings.

[0019] Figure 1 It is a cross-sectional structural schematic diagram of the utility model;

[0020] Figure 2 It is a schematic diagram of the top view structure of the utility model;

[0021] Figure 3 It is a right side sectional structural schematic diagram of the utility model.

[0022] Description of reference numerals:

[0023] 1. Workbench; 2. Tool holder; 3. Cylinder; 4. Cutting knife; 5. Limit block; 6. Heating block; 7. First installation box; 8. Second installation box; 9. First screw rod; 10. Motor; 11. Second screw rod; 12. First connecting block; 13. Limit plate; 14. Turntable; 15. Turn handle; 16. Roller; 17. Scale line; 18. Support tripod; 19. Rubber pad; 20. Connecting rod; 21. Second connecting block. DETAILED DESCRIPTION

[0024] In order to enable those skilled in the art to better understand the technical solution of the present invention, the present invention will be further described in detail below in conjunction with the accompanying drawings.

[0025] The utility model embodiment discloses a shearing device.

[0026] The utility model provides Figure 1-3 The shearing device shown includes a workbench 1, a tool holder 2 is fixedly provided at the upper end of the workbench 1, a first mounting groove is provided inside the tool holder 2, slide grooves are provided on both sides of the tool holder 2, a cylinder 3 is fixedly provided at the upper end of the tool holder 2, a cutting knife 4 is fixedly provided at the output end of the cylinder 3, limit blocks 5 are provided on both sides of the cutting knife 4, the two limit blocks 5 are respectively slidably connected with the corresponding slide grooves, a second mounting groove is provided in the middle of the cutting knife 4, a heating block 6 is provided inside the second mounting groove, a clamping mechanism and a limit mechanism are correspondingly provided on both sides of the tool holder 2, a supporting leg 18 is provided at the bottom of the workbench 1, an employee starts the heating block 6 to increase the surface temperature of the cutting knife 4, and then starts the cylinder 3 to make the cutting knife 4 fall to cut the workpiece, and limit blocks 5 are provided on both sides of the cutting knife 4 to prevent the cutting knife 4 from being offset, etc., and at the same time heat the surface of the cutting knife 4 to reduce the occurrence of burrs on the cutting edge of the workpiece.

[0027] In order to clamp different widths, such as Figure 1-2 As shown, the clamping mechanism includes a first mounting box 7, a second mounting box 8 and a first screw rod 9. A plurality of connecting rods 20 are provided in the first mounting box 7 and the second mounting box 8. The rod walls of the plurality of connecting rods 20 are rotatably sleeved with rollers 16. The first mounting box 7 is fixedly arranged on the upper end of the workbench 1. A third mounting groove is provided on the top of the workbench 1. The first screw rod 9 is rotatably arranged inside the third mounting groove. A first connecting block 12 is threadedly sleeved on the rod wall of the first screw rod 9. The first connecting block 12 is fixedly connected to the second mounting box 8. A motor 10 is fixedly arranged on one side of the workbench 1. The output end of the motor 10 is fixedly connected to one end of the first screw rod 9. The first screw rod 9 is fixedly installed with the second mounting box 8 through the connecting block. After placing the workpiece, the employee starts the motor 10 to drive the first screw rod 9 to rotate, and drives the second mounting box 8 fixedly connected to the first connecting block 12 to one side of the workpiece for clamping. The workpieces of different widths can be clamped by providing a movable second mounting box 8.

[0028] In order to adjust the limit plate, Figure 1-2 As shown, the limiting mechanism includes a limiting plate 13 and a second screw rod 11, the limiting plate 13 is arranged at the upper end of the workbench 1, and a fourth mounting groove is opened on the top of the workbench 1, the second screw rod 11 is rotatably arranged inside the fourth mounting groove, the rod wall of the second screw rod 11 is sleeved with a second connecting block 21, the second connecting block 21 is fixedly connected to the limiting plate 13, one end of the second screw rod 11 is fixedly connected to a turntable 14, and one end of the turntable 14 is fixedly connected to a rotating handle 15. When the employee manually shakes the rotating handle 15, the second screw rod 11 is rotated, and the second connecting block 21 connected to the second screw rod 11 moves synchronously, so that the limiting plate 13 fixedly connected to the second connecting block 21 can move.

[0029] In order to protect the cutting knife 4, Figure 1 As shown, a cutting groove is provided below the tool holder 2 of the workbench 1 to prevent the cutting knife 4 from touching the workbench 1 and causing damage to the cutting head of the cutting knife 4 when the cutting knife 4 falls to perform cutting.

[0030] For the length of the workpiece, Figure 1-2 As shown, the side wall of the fourth mounting groove is provided with scale lines 17. Through the provided scale lines 17, when the employees need workpieces of different lengths, they can observe the scale lines 17 and adjust the limit mechanism.

[0031] Finally, in order to prevent the workbench 1 from shaking, Figure 1-2 As shown, one end of the supporting legs 18 is symmetrically fixed at the bottom of the workbench 1, and the end of the supporting legs 18 away from the workbench 1 is provided with a rubber pad 19. By providing the rubber pad 19 at the lower end of the supporting legs 18, the workbench 1 is prevented from shaking during the cutting process.

[0032] The above only describes some exemplary embodiments of the present invention by way of illustration. It is undoubted that those skilled in the art can modify the described embodiments in various ways without departing from the spirit and scope of the present invention. Therefore, the above drawings and descriptions are illustrative in nature and should not be construed as limiting the scope of protection of the claims of the present invention.

Claims

1. A shearing device, comprising a workbench (1), characterized in that: A tool holder (2) is fixedly provided at the upper end of the workbench (1), a first mounting groove is provided inside the tool holder (2), sliding grooves are provided on both sides of the tool holder (2), a cylinder (3) is fixedly provided at the upper end of the tool holder (2), a cutting knife (4) is fixedly provided at the output end of the cylinder (3), limiting blocks (5) are provided on both sides of the cutting knife (4), two limiting blocks (5) are respectively slidably connected to corresponding sliding grooves, a second mounting groove is provided in the middle of the cutting knife (4), a heating block (6) is provided inside the second mounting groove, a clamping mechanism and a limiting mechanism are correspondingly provided on both sides of the tool holder (2), and a supporting frame (18) is provided at the bottom of the workbench (1).

2. A shearing device according to claim 1, characterized in that: The clamping mechanism comprises a first mounting box (7), a second mounting box (8) and a first screw rod (9); a plurality of connecting rods (20) are arranged in the first mounting box (7) and the second mounting box (8); the rod walls of the plurality of connecting rods (20) are rotatably sleeved with rollers (16); the first mounting box (7) is fixedly arranged on the upper end of the workbench (1); a third mounting groove is provided on the top of the workbench (1); the first screw rod (9) is rotatably arranged inside the third mounting groove; a first connecting block (12) is threadedly sleeved on the rod wall of the first screw rod (9); the first connecting block (12) is fixedly connected to the second mounting box (8); a motor (10) is fixedly arranged on one side of the workbench (1); the output end of the motor (10) is fixedly connected to one end of the first screw rod (9); the first screw rod (9) is fixedly installed with the second mounting box (8) via the connecting block.

3. A shearing device according to claim 1, characterized in that: The limiting mechanism comprises a limiting plate (13) and a second screw rod (11); the limiting plate (13) is arranged at the upper end of the workbench (1); a fourth mounting groove is provided on the top of the workbench (1); the second screw rod (11) is rotatably arranged inside the fourth mounting groove; a second connecting block (21) is sleeved on a rod wall of the second screw rod (11); the second connecting block (21) is fixedly connected to the limiting plate (13); one end of the second screw rod (11) is fixedly connected to a rotating disk (14); and one end of the rotating disk (14) is fixedly connected to a rotating handle (15).

4. A shearing device according to claim 1, characterized in that: A cutting groove is provided below the tool holder (2) of the workbench (1).

5. A shearing device according to claim 3, characterized in that: The side wall of the fourth installation groove is provided with a scale line (17).

6. A shearing device according to claim 1, characterized in that: One end of the supporting legs (18) is symmetrically fixed to the bottom of the workbench (1), and one end of the supporting legs (18) away from the workbench (1) is provided with a rubber pad (19).

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