Reinforced upper concave shear blade

Abstract

The utility model provides a reinforced upper concave shear blade. Comprising a first mounting plate and a second mounting plate, a hydraulic cylinder is fixed to the bottom of the first mounting plate, a first cutter is fixed to the output end of the hydraulic cylinder through a connecting piece, a clamping block is fixed to the position, corresponding to the first cutter, of the top of the second mounting plate, a second cutter is clamped to the clamping block, and a shear blade is arranged at the top of the second cutter. A groove is formed in the shear blade, a clamping head is fixed to the second cutter, and a reinforcing piece is fixed to the second cutter through a first screw. According to the reinforced upper concave shear blade, uniform stress supporting protection is conducted on the shear blade at the top of the second cutter through the protection head on the reinforcing piece, the shear blade is prevented from being extruded and deformed due to stress, and the problems that an existing upper concave shear blade is low in structural strength, the shear blade is prone to being deformed due to stress after working for a long time, and the shear blade cannot be damaged are solved. The cutting edge is damaged, and the workpiece machining precision and efficiency are affected.

Description

Technical Field

[0001] The utility model relates to the field of shear blades, in particular to a reinforced upward concave shear blade. Background Art

[0002] The concave shear blade is a scissors blade with a specific shape, which is usually used for shearing metal or other materials. The blade of the concave shear blade is designed to be curved, which can improve the shearing efficiency and reduce the friction during shearing. This design allows the scissors to fit the workpiece better during cutting, helps to obtain a cleaner incision, and reduces the force required for cutting. The existing concave shear blade has low structural strength. After long-term work, the scissors blade is easily deformed by force, resulting in damage to the blade, affecting the accuracy and efficiency of workpiece processing.

[0003] Therefore, it is necessary to provide a reinforced concave shearing blade to solve the above technical problems. Utility Model Content

[0004] The utility model provides a reinforced upper concave shear blade, which solves the problem that the existing upper concave shear blade has low structural strength, and the scissors blade is easily deformed by force after long-term work, resulting in damage to the blade, which affects the accuracy and efficiency of workpiece processing.

[0005] In order to solve the above technical problems, the utility model provides a reinforced concave shear blade, comprising a first mounting plate and a second mounting plate, wherein a hydraulic cylinder is fixed to the bottom of the first mounting plate, and a first cutter is fixed to the output end of the hydraulic cylinder via a connecting piece;

[0006] A clamping block is fixed on the top of the second mounting plate and corresponds to the first cutter, and the second cutter is clamped on the clamping block. A cutting blade is provided on the top of the second cutter, and a groove is provided on the cutting blade. A clamping head is fixed on the second cutter, and a reinforcement sheet is fixed to the second cutter via a first screw, and a protective head adapted to the cutting blade is fixed on the reinforcement sheet;

[0007] A connecting block is fixed on the top of the clamping block, and the connecting block is fixed to the reinforcing piece by a second screw. A limiting block is fixed on the top of the clamping block, and a limiting groove adapted to the clamping head is provided on the limiting block.

[0008] Preferably, the second cutter is provided with a slot adapted to the reinforcement sheet.

[0009] Preferably, the clamping slot and the second cutter are both provided with a first threaded hole adapted to the first screw.

[0010] Preferably, the clamping slot and the second cutter are both provided with a second threaded hole adapted to fit the second screw.

[0011] Preferably, mounting holes are provided on both the first mounting plate and the second mounting plate.

[0012] Compared with the related art, the reinforced concave shear blade provided by the present invention has the following beneficial effects:

[0013] The utility model provides a reinforced upper concave shearing blade, which provides uniform stress support and protection for the shearing blade at the top of the second cutter through the protective head on the reinforcing plate, thereby preventing the shearing blade from being squeezed and deformed by force, thereby increasing the service life of the second cutter, and solving the problem that the structure strength of the existing upper concave shearing blade is low, and the blade of the scissors is easily deformed by force under long-term work, resulting in damage to the blade, affecting the accuracy and efficiency of workpiece processing. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 A structural schematic diagram of a preferred embodiment of a reinforced upward concave shearing blade provided by the utility model;

[0015] Figure 2 for Figure 1 The structural diagram of the second cutter shown;

[0016] Figure 3 for Figure 1 The structural diagram of the reinforcement sheet shown.

[0017] Numbers in the figure: 1. First mounting plate, 2. Second mounting plate, 3. Hydraulic cylinder, 4. Connecting plate, 5. First cutter, 6. Clamping block, 7. Second cutter, 8. Shearing blade, 9. Groove, 10. Clamping head, 11. First screw, 12. Reinforcement plate, 13. Protective head, 14. Connecting block, 15. Second screw, 16. Limiting block, 17. Limiting groove, 18. Clamping slot, 19. First threaded hole, 20. Second threaded hole, 21. Mounting hole. DETAILED DESCRIPTION

[0018] The present invention will be further described below with reference to the accompanying drawings and implementation examples.

[0019] Please refer to Figure 1-3 As shown, a reinforced upper concave shear blade comprises a first mounting plate 1 and a second mounting plate 2. A hydraulic cylinder 3 is fixed to the bottom of the first mounting plate 1, and a first cutter 5 is fixed to the output end of the hydraulic cylinder 3 via a connecting piece 4.

[0020] A clamping block 6 is fixed on the top of the second mounting plate 2 and corresponds to the first cutter 5, and the second cutter 7 is clamped on the clamping block 6. A cutting blade 8 is provided on the top of the second cutter 7, and a groove 9 is provided on the cutting blade 8. A clamping head 10 is fixed on the second cutter 7, and a reinforcing sheet 12 is fixed to the second cutter 7 by a first screw 11. A protective head 13 adapted to the cutting blade 8 is fixed on the reinforcing sheet 12. The protective head 13 on the reinforcing sheet 12 provides uniform stress support and protection for the cutting blade 8 at the top of the second cutter 7;

[0021] The top of the clamping block 6 of the present invention is fixed with a connecting block 14, and the connecting block 14 is fixed to the reinforcing plate 12 by a second screw 15. A limiting block 16 is fixed to the top of the clamping block 6, and a limiting groove 17 is provided on the limiting block 16 to match the clamping head 10, thereby improving the connection stability and preventing the second cutter 7 from shaking.

[0022] The second cutter 7 of the present invention is provided with a slot 18 adapted to the reinforcing plate 12, which plays a role of limiting. The slot 18 and the second cutter 7 are both provided with a first threaded hole 19 adapted to the first screw 11, thereby improving the structural stability.

[0023] The clamping slot 18 and the second cutter 7 of the present invention are both provided with a second threaded hole 20 adapted to the second screw 15 for easy fixed installation. The first mounting plate 1 and the second mounting plate 2 are both provided with a mounting hole 21 for fixed installation.

[0024] The working principle of the reinforced concave shearing blade provided by the utility model is as follows: when in use, the workpiece is located between the first cutter 5 and the second cutter 7, the hydraulic cylinder 3 is started to drive the first cutter 5, so that the first cutter 5 and the second cutter 7 shear the workpiece, and at the same time, the protective head 13 on the reinforcing sheet 12 is used to uniformly support and protect the shearing blade 8 at the top of the second cutter 7, thereby preventing the shearing blade 8 from being squeezed and deformed by force, thereby improving the service life of the second cutter 7.

[0025] The above description is merely an embodiment of the present invention and does not limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made by using the contents of the description and drawings of the present invention, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.

Claims

1. A reinforced concave shear blade, characterized in that: It comprises a first mounting plate (1) and a second mounting plate (2); a hydraulic cylinder (3) is fixed to the bottom of the first mounting plate (1), and a first cutter (5) is fixed to the output end of the hydraulic cylinder (3) via a connecting piece (4); A clamping block (6) is fixed on the top of the second mounting plate (2) and corresponds to the first cutter (5), and a second cutter (7) is clamped on the clamping block (6), a cutting blade (8) is provided on the top of the second cutter (7), and a groove (9) is provided on the cutting blade (8), a clamping head (10) is fixed on the second cutter (7), and a reinforcing sheet (12) is fixed to the second cutter (7) via a first screw (11), and a protective head (13) adapted to the cutting blade (8) is fixed on the reinforcing sheet (12); A connecting block (14) is fixed on the top of the clamping block (6), and the connecting block (14) is fixed to the reinforcing plate (12) via a second screw (15). A limiting block (16) is fixed on the top of the clamping block (6), and a limiting groove (17) adapted to the clamping head (10) is provided on the limiting block (16).

2. A reinforced concave shear blade according to claim 1, characterized in that: The second cutter (7) is provided with a slot (18) adapted to the reinforcing sheet (12).

3. A reinforced concave shear blade according to claim 2, characterized in that: The clamping slot (18) and the second cutter (7) are both provided with a first threaded hole (19) adapted to the first screw (11).

4. The reinforced concave shear blade according to claim 2, characterized in that: The clamping slot (18) and the second cutter (7) are both provided with a second threaded hole (20) adapted to the second screw (15).

5. The reinforced concave shear blade according to claim 1, characterized in that: Both the first mounting plate (1) and the second mounting plate (2) are provided with mounting holes (21).

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