Cutting positioning device of plate shearing machine

Abstract

The utility model relates to the technical field of plate shearing machines, in particular to a plate shearing machine cutting positioning device which comprises a device body, a U-shaped support is welded to the top of the device body, a driving motor is fixedly connected to the front side of the U-shaped support, a lead screw is rotationally connected to the inner wall of the front side of the U-shaped support, and a moving rod is connected to the lead screw in a threaded mode. The driving motor is started to drive the lead screw to rotate, the lead screw drives the moving rod to move, the moving rod drives the sliding rod to slide on the limiting hole, the moving rod extrudes the hinge rod in the moving process, under the action of extrusion force, the hinge rod moves and rotates, the hinge rod drives the U-shaped plate to move downwards, and the U-shaped plate drives the guide rod to slide on the U-shaped support. And meanwhile, the U-shaped plate drives the pressing roller to move downwards to press and fix the plate, so that when the plate is pressed, workers do not need to manually rotate the plate to fix the plate, the workload of the workers is reduced, and the cutting efficiency of the plate is improved.

Description

Technical Field

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

[0002] Shearing machine is a machine that uses one blade to make a reciprocating linear motion relative to another blade to shear the plate. It uses the moving upper blade and the fixed lower blade, and adopts a reasonable blade gap to apply shearing force to metal plates of various thicknesses, so that the plates are broken and separated according to the required size. Shearing machine is a kind of forging machine. Its main function is metal processing industry. Its products are widely used in aviation, light industry, metallurgy, chemical industry, construction, shipbuilding, automobile, electric power, electrical appliances and decoration industries to provide the required special machinery and complete equipment;

[0003] China's publicly authorized invention: CN211939246U discloses a shearing machine cutting rapid positioning device, including a workbench, the bottom of the workbench is fixedly connected to a metal bin, the inner wall on the left side of the metal bin is fixedly installed with a rotating motor, the output shaft of the rotating motor is fixedly connected to a first threaded rod with one end movably connected to the inner wall on the right side of the metal bin, the outer side of the first threaded rod is movably installed with a movable block, and the inner bottom wall of the metal bin is fixedly connected with a first slide rail. The shearing machine cutting rapid positioning device is placed on the workbench, slides from the right to the left, so that the plate squeezes the limit roller, so that the spring is compressed, the first telescopic rod is contracted, and the limit roller is limited by the tension of the spring, and then the second threaded rod is rotated, so that the second threaded rod moves downward by being threadedly connected with the second threaded through hole, thereby driving the pressure roller to move downward, press and hold the plate after limiting, and fix the plate.

[0004] However, there are still some problems with the device. In actual use, when limiting the pressure on the plate, the staff often needs to manually rotate the second threaded rod to drive the pressure roller to move downward to achieve stable pressure on the plate. This operation method not only increases the workload of the staff, but also reduces work efficiency. For this reason, we propose a shearing machine cutting and positioning device to solve the above problems. Utility Model Content

[0005] The utility model aims to provide a shearing and positioning device for a shearing machine to solve the problems raised in the above-mentioned background technology.

[0006] The top end of the guide rod is extended to the top of the U-shaped bracket and a limiting block is welded thereon. A limiting hole is provided on the top inner wall of the U-shaped bracket, and a sliding rod is slidably connected to the limiting hole. The end of the sliding rod is fixedly connected to the top of the moving rod, and the end of the screw rod extends to the front side of the U-shaped bracket and is fixedly connected to the output shaft of the driving motor.

[0007] Further preferably, four guide holes are opened on the top inner wall of the U-shaped bracket, and the U-shaped bracket is slidably connected to the corresponding guide rods through the guide holes.

[0008] Further preferably, a plurality of connection blocks are welded between the inner walls on both sides of the U-shaped bracket, and a limiting pulley is rotatably connected between two opposite connection blocks.

[0009] Further preferably, a pushing mechanism is provided at the bottom of the device body, and the pushing mechanism is provided with a pushing block.

[0010] Further preferably, a rectangular hole is opened on the device body, and the inner wall of the rectangular hole is slidably connected to the pushing block.

[0011] Further preferably, a thread groove is provided on the moving rod, and the moving rod is threadably connected to the screw rod through a threaded hole.

[0012] Further preferably, a mounting hole is opened on the front inner wall of the U-shaped bracket, a bearing is fixedly connected to the inner wall of the mounting hole, and the inner side of the inner ring of the bearing is welded to the outer side of the screw rod.

[0013] Compared with the prior art, the beneficial effects of the utility model are as follows: the utility model starts a driving motor, the driving motor drives the screw rod to rotate, the screw rod drives the moving rod to move, the moving rod drives the sliding rod to slide on the limiting hole, the moving rod squeezes the hinged rod during the movement, and under the action of the squeezing force, the hinged rod moves and rotates, the hinged rod drives the U-shaped plate to move downward, the U-shaped plate drives the guide rod to slide on the U-shaped bracket, and at the same time the U-shaped plate drives the pressing roller to move downward to press and hold the limited plate to fix the plate, so that when pressing and holding the plate, there is no need for the staff to manually rotate the team to fix the plate, thereby reducing the workload of the staff and improving the cutting efficiency of the plate. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is a schematic diagram of the main three-dimensional structure of the utility model;

[0015] Figure 2 It is a partial three-dimensional structural schematic diagram of the utility model;

[0016] Figure 3 It is a schematic diagram of the three-dimensional structure of the U-shaped plate, the pressure roller, the screw rod, the moving rod and the hinge rod connected in the utility model;

[0017] Figure 4 It is a schematic diagram of the three-dimensional structure of the connection block and the limiting pulley of the utility model.

[0018] In the figure: 1. Device body; 2. U-shaped bracket; 3. Driving motor; 4. Screw rod; 5. Moving rod; 6. Articulated rod; 7. U-shaped plate; 8. Pressure roller; 9. Guide rod; 10. Limit block; 11. Limit hole; 12. Slide rod; 13. Connecting block; 14. Limit pulley; 15. Pushing mechanism; 16. Rectangular hole; 17. Pushing block. DETAILED DESCRIPTION

[0019] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0020] Example

[0021] See also Figure 1-4The utility model provides a technical solution: a shearing machine cutting and positioning device, including a device body 1, a U-shaped bracket 2 is welded on the top of the device body 1, a driving motor 3 is fixedly connected to the front side of the U-shaped bracket 2, a screw rod 4 is rotatably connected to the inner wall of the front side of the U-shaped bracket 2, a moving rod 5 is threadedly connected to the screw rod 4, an end of the moving rod 5 is rotatably connected to an obliquely arranged hinged rod 6, an end of the hinged rod 6 is hingedly connected to a U-shaped plate 7, a pressure roller 8 is rotatably connected between the inner walls of both sides of the U-shaped plate 7, four guide rods 9 are welded on the top of the U-shaped plate 7, the top of the guide rod 9 extends to the top of the U-shaped bracket 2 and is welded with a limiting block 10, a limiting hole 11 is provided on the top inner wall of the U-shaped bracket 2, a sliding rod 12 is slidably connected to the limiting hole 11, and the sliding rod 12 The end is fixedly connected to the top of the moving rod 5, the end of the screw rod 4 extends to the front side of the U-shaped bracket 2 and is fixedly connected to the output shaft of the driving motor 3, the driving motor 3 is started, the driving motor 3 drives the screw rod 4 to rotate, the screw rod 4 drives the moving rod 5 to move, the moving rod 5 drives the sliding rod 12 to slide on the limiting hole 11, the moving rod 5 squeezes the hinged rod 6 during the movement, under the action of the squeezing force, the hinged rod 6 moves and rotates, the hinged rod 6 drives the U-shaped plate 7 to move downward, the U-shaped plate 7 drives the guide rod 9 to slide on the U-shaped bracket 2, and the U-shaped plate 7 drives the pressing roller 8 to move downward, presses the limited plate and fixes the plate, so that when pressing the plate, the staff does not need to manually rotate, thereby reducing the workload of the staff and improving the cutting efficiency of the plate.

[0022] In this embodiment, specifically: four guide holes are opened on the top inner wall of the U-shaped bracket 2, and the U-shaped bracket 2 is slidably connected with the corresponding guide rods 9 through the guide holes. The setting of the guide rods 9 plays a role of limiting;

[0023] In this embodiment, specifically: a plurality of connecting blocks 13 are welded between the inner walls of both sides of the U-shaped bracket 2, and a limited pulley 14 is rotatably connected between two opposite connecting blocks 13, and the setting of the connecting blocks 13 plays a supporting role;

[0024] In this embodiment, specifically: a pushing mechanism 15 is provided at the bottom of the device body 1, and the pushing mechanism 15 is provided with a pushing block 17;

[0025] In this embodiment, specifically: a rectangular hole 16 is opened on the device body 1, and the inner wall of the rectangular hole 16 is slidably connected to the push block 17. The setting of the rectangular hole 16 plays a role of limiting;

[0026] In this embodiment, specifically: a thread groove is provided on the moving rod 5, and the moving rod 5 is threadedly connected with the screw rod 4 through a threaded hole, so that the moving rod 5 can be fixed after being moved to a suitable position under the bite force of the thread groove and the screw rod 4 itself;

[0027] In this embodiment, specifically: a mounting hole is opened on the front inner wall of the U-shaped bracket 2, a bearing is fixedly connected to the inner wall of the mounting hole, the inner side of the inner ring of the bearing is welded to the outer side of the screw rod 4, and the welding method makes the bearing and the screw rod 4 more securely fixed.

[0028] The utility model is at work: when in use, when it is necessary to hold the plate, the driving motor 3 is started, the driving motor 3 drives the screw rod 4 to rotate, the screw rod 4 drives the moving rod 5 to move, the moving rod 5 drives the sliding rod 12 to slide on the limiting hole 11, the moving rod 5 squeezes the hinged rod 6 during the movement, and under the action of the squeezing force, the hinged rod 6 moves and rotates, the hinged rod 6 drives the U-shaped plate 7 to move downward, the U-shaped plate 7 drives the guide rod 9 to slide on the U-shaped bracket 2, and the U-shaped plate 7 drives the pressing roller 8 to move downward, presses the limited plate, fixes the plate, and pushes the plate through the pushing block 17 on the pushing mechanism 15. The friction between the plate and the U-shaped bracket 2 is reduced by the setting of the limiting pulley 14, and the plate is pushed through the main body of the device Figure 1 The cutting device on the plate is used to cut the plate, so that when the plate is pressed, there is no need for the staff to manually rotate and fix the plate, which reduces the workload of the staff and improves the cutting efficiency of the plate.

[0029] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A shearing and positioning device for a shearing machine, comprising a device body (1), characterized in that: A U-shaped bracket (2) is welded to the top of the device body (1); a driving motor (3) is fixedly connected to the front side of the U-shaped bracket (2); a screw rod (4) is rotatably connected to the inner wall of the front side of the U-shaped bracket (2); a moving rod (5) is threadedly connected to the screw rod (4); an end of the moving rod (5) is rotatably connected to an inclined hinge rod (6); an end of the hinge rod (6) is hingedly connected to a U-shaped plate (7); a pressure roller (8) is rotatably connected between the inner walls of both sides of the U-shaped plate (7); Four guide rods (9) are welded to the top of the U-shaped plate (7), the top ends of the guide rods (9) extend to the top of the U-shaped bracket (2) and are welded with a limiting block (10), a limiting hole (11) is provided on the top inner wall of the U-shaped bracket (2), a sliding rod (12) is slidably connected to the limiting hole (11), the end of the sliding rod (12) is fixedly connected to the top of the moving rod (5), and the end of the lead screw (4) extends to the front side of the U-shaped bracket (2) and is fixedly connected to the output shaft of the driving motor (3).

2. A shearing and positioning device for shearing machine according to claim 1, characterized in that: Four guide holes are provided on the top inner wall of the U-shaped bracket (2), and the U-shaped bracket (2) is slidably connected to corresponding guide rods (9) via the guide holes.

3. A shearing and positioning device for shearing machine according to claim 1, characterized in that: A plurality of connection blocks (13) are welded between the inner walls on both sides of the U-shaped bracket (2), and a limiting pulley (14) is rotatably connected between two opposing connection blocks (13).

4. A shearing and positioning device according to claim 1, characterized in that: A pushing mechanism (15) is provided at the bottom of the device body (1), and the pushing mechanism (15) is provided with a pushing block (17).

5. A shearing and positioning device for shearing machine according to claim 4, characterized in that: A rectangular hole (16) is provided on the device body (1), and the inner wall of the rectangular hole (16) is slidably connected to a pushing block (17).

6. A shearing and positioning device according to claim 1, characterized in that: The moving rod (5) is provided with a thread groove, and the moving rod (5) is threadedly connected to the screw rod (4) through a threaded hole.

7. A shearing and positioning device for shearing machine according to claim 1, characterized in that: A mounting hole is provided on the front inner wall of the U-shaped bracket (2), a bearing is fixedly connected to the inner wall of the mounting hole, and the inner side of the inner ring of the bearing is welded to the outer side of the screw rod (4).

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