CN209272253U - A kind of hydraulic opener for opening circular hole - Google Patents

Abstract

The utility model relates to a kind of hydraulic openers for opening circular hole, including body, former, punching mechanism, oil pipe, check valve, limit oil circuit breaker, fuel tank and driving mechanism, the punching mechanism includes hydraulic cylinder, piston rod and formpiston, piston plate and spring are equipped in the hydraulic cylinder, the driving mechanism includes driving tube, communicating pipe, sealing plate, movable plate, against component, shaft, turntable and two driving assemblies, the driving component includes hinge unit and rotating bar, the hydraulic opener for opening circular hole is squeezed into the hydraulic oil in fuel tank in hydraulic cylinder by driving mechanism, it pushes formpiston to squeeze workpiece to be punched, when due to pushing running of hydraulic power oil, increase rotating torque, so that shaft rotation be more convenient it is laborsaving, to keep punching more laborsaving, and then improve the practicability of equipment.

Description

A hydraulic hole opener for opening round holes

technical field

The utility model relates to the field of hydraulic equipment, in particular to a hydraulic hole opener for opening round holes.

Background technique

The hydraulic hole opener is an advanced manual hydraulic tool that can open holes on metal plates. It can play the role of opening holes that cannot be achieved by general stamping equipment. Restricted, can be used, safe and reliable. The hydraulic hole opener is light in structure, beautiful in appearance and easy to carry. It can be used in metallurgy, petroleum, chemical industry, electronics, electrical appliances, ships, machinery and other industries to install and maintain holes in wires, pipes, indicator lights, instrument switches, etc., and is more suitable for forming holes. The bottom plate of the instrument panel and the switch box are used for opening holes on the wall of the electrical box.

When the existing hydraulic hole opener is in use, the hydraulic oil flow inside the equipment is realized through the swing of the movable handle, and the piston in the hydraulic cylinder is pushed to move, which drives the extrusion male die to move and push part of the workpiece into the female die to realize When punching holes on the surface of the workpiece, the handle needs to be frequently operated to drive the handle to swing back and forth multiple times. However, the length of the handle is limited, which increases the labor intensity of punching. After swinging the handle many times, the operator is prone to fatigue, thus Reduce drilling efficiency, thereby reducing the practicability of existing hydraulic hole saws.

Utility model content

The technical problem to be solved by the utility model is to provide a hydraulic hole opener for opening round holes in order to overcome the deficiencies of the prior art.

The technical scheme adopted by the utility model to solve the technical problem is: a hydraulic hole opener for opening round holes, including a body, a die, a stamping mechanism, an oil pipe, a one-way valve, an oil limit switch, an oil tank and a driving mechanism. The driving mechanism is arranged at one end of the oil tank, the other end of the oil tank is connected to the stamping mechanism through the oil pipe, the one-way valve is arranged in the oil pipe, the oil limit switch is arranged on the oil pipe, and the stamping mechanism is located at one end of the machine body , the other end of the body is provided with an opening, the female die is fixed in the opening, one side of the body is provided with a socket, the stamping mechanism includes a hydraulic cylinder, a piston rod and a male die, the hydraulic cylinder It is fixedly connected with the body, the male mold is matched with the female mold, the male mold is located on the side of the hydraulic cylinder close to the female mold, one end of the piston rod is set in the hydraulic cylinder, and the other end of the piston rod is connected to the hydraulic cylinder. The male mold is fixedly connected, the hydraulic cylinder is provided with a piston plate and a spring, the outer circumference of the piston plate is sealed and connected with the inner wall of the hydraulic cylinder, the piston plate is fixedly connected with the piston rod, and the piston plate is connected to the hydraulic cylinder through the spring. The inner wall of the side close to the male mold is connected, and the spring is in a compressed state;

The driving mechanism includes a driving pipe, a connecting pipe, a sealing plate, a moving plate, an abutment assembly, a rotating shaft, a turntable and two driving assemblies, the driving pipe is fixedly connected to the fuel tank through a connecting pipe, and the driving pipe is connected to The oil tank is connected, the outer periphery of the sealing plate is sealed and connected with the inner wall of the connecting pipe, the outer periphery of the moving plate is threadedly connected with the inner wall of the driving pipe, the moving plate is connected with the sealing plate through the abutment assembly, and the turntable is located in the driving pipe The end far away from the connecting pipe, the turntable is fixedly connected with the moving plate through the rotating shaft, and the two drive assemblies are located on both sides of the drive pipe respectively, the drive assembly is connected with the turntable, the drive assembly includes a hinge unit and a rotating rod, the The rotating rod is connected with the turntable through the hinge unit.

Preferably, in order to drive the sealing plate to move closer to the oil tank in the communication pipe, the abutting assembly includes several abutting units, and the abutting units are evenly distributed on the side of the moving plate close to the sealing plate in the circumferential direction. The unit includes a connecting rod, an abutting block and a ball, the abutting block is fixedly connected with the moving plate through the connecting rod, a notch is provided on the side of the abutting block close to the sealing plate, and the notch is matched with the ball , the center of the ball is located in the notch, and the ball is against the sealing plate.

Preferably, in order to facilitate the rotation of the rotating rod, the hinge unit includes a central shaft and two fixed tubes, the fixed tubes are fixed on the turntable, the two ends of the central shaft are respectively arranged in the two fixed tubes, and the center The shaft is fixedly connected with the rotating rod.

As a preference, in order to make the turntable turn more labor-saving, the drive assembly also includes a slide plate, a convex plate, a connecting plate, a handle and two slide rods, the convex plate is fixed on the end of the rotating rod away from the turntable, and the slide plate is sleeved On the rotating rod, the two ends of the connecting plate are respectively fixedly connected with the sliding plate through two sliding rods, the convex plate is sleeved on the sliding rod, and the handle is fixed on the connecting plate.

Preferably, in order to prevent the handle from sliding, the handle is provided with anti-skid lines.

Preferably, in order to prevent the moving plate from detaching from the drive tube, limit plates are provided on the inner walls of the drive tube on both sides of the end away from the connecting tube.

The beneficial effect of the utility model is that the hydraulic hole opener for opening round holes squeezes the hydraulic oil in the oil tank into the hydraulic cylinder through the driving mechanism, and pushes the male mold to extrude the workpiece to punch holes. The increased rotational torque makes the rotation of the rotating shaft more convenient and labor-saving, so that the drilling is more labor-saving, thereby improving the practicability of the equipment.

Description of drawings

Below in conjunction with accompanying drawing and embodiment the utility model is further described.

Fig. 1 is the structural representation of the hydraulic hole opener of opening circular hole of the present utility model;

Fig. 2 is an enlarged view of part A of Fig. 1;

In the figure: 1. Body, 2. Die, 3. Oil pipe, 4. Check valve, 5. Oil limit switch, 6. Fuel tank, 7. Hydraulic cylinder, 8. Piston rod, 9. Male die, 10. Piston plate, 11. spring, 12. driving tube, 13. connecting tube, 14. sealing plate, 15. moving plate, 16. rotating shaft, 17. turntable, 18. rotating rod, 19. connecting rod, 20. abutting block, 21. ball, 22. central shaft, 23. fixed pipe, 24. slide plate, 25. raised plate, 26. connecting plate, 27. handle, 28. slide bar, 29. limiting plate.

Detailed ways

Now in conjunction with accompanying drawing, the utility model is described in further detail. These drawings are all simplified schematic diagrams, and only schematically illustrate the basic structure of the utility model, so they only show the configurations related to the utility model.

As shown in Figure 1, a hydraulic hole opener for opening round holes includes a body 1, a die 2, a stamping mechanism, an oil pipe 3, a one-way valve 4, an oil limit switch 5, an oil tank 6 and a drive mechanism, the drive The mechanism is arranged at one end of the oil tank 6, and the other end of the oil tank 6 is connected with the stamping mechanism through the oil pipe 3, the check valve 4 is arranged in the oil pipe 3, the oil limit switch 5 is arranged on the oil pipe 3, and the stamping The mechanism is located at one end of the body 1, the other end of the body 1 is provided with an opening, the female mold 2 is fixed in the opening, one side of the body 1 is provided with a socket, and the stamping mechanism includes a hydraulic cylinder 7, Piston rod 8 and male mold 9, described hydraulic cylinder 7 is fixedly connected with body 1, described male mold 9 is matched with female mold 2, and described male mold 9 is positioned at the side of hydraulic cylinder 7 close to female mold 2, so One end of the piston rod 8 is arranged in the hydraulic cylinder 7, the other end of the piston rod 8 is fixedly connected with the male die 9, the hydraulic cylinder 7 is provided with a piston plate 10 and a spring 11, and the outer circumference of the piston plate 10 Sealed connection with the inner wall of the hydraulic cylinder 7, the piston plate 10 is fixedly connected with the piston rod 8, the piston plate 10 is connected with the inner wall of the hydraulic cylinder 7 near the male mold 9 through a spring 11, and the spring 11 is in the compressed state;

When using the hydraulic hole opener, place the workpiece in the socket of the machine body 1, then open the oil limit switch 5, use the check valve 4 to limit the flow in the oil pipe 3, and operate the driving mechanism to pass the hydraulic oil in the oil tank 6 through The oil pipe 3 is transported to the hydraulic cylinder 7, pushing the piston plate 10 in the hydraulic cylinder 7 to move close to the socket, the piston plate 10 drives the male die 9 to move through the piston rod 8, and the male die 9 squeezes on the workpiece, thereby forming After opening the hole, press the oil limit switch 5 again, the spring 11 in the compressed state in the hydraulic cylinder 7 pushes the piston plate 10 away from the female mold 2, so that the male mold 9 returns to its original position, and the hydraulic pressure in the hydraulic cylinder 7 The oil flows back into the oil tank 6 through the oil pipe 3, and when other workpieces stretch into the socket, the workpieces can be moved and squeezed by the male die 9 to punch holes.

As shown in Figure 2, the drive mechanism includes a drive tube 12, a communication tube 13, a sealing plate 14, a moving plate 15, an abutment assembly, a rotating shaft 16, a turntable 17 and two drive components, and the drive tube 12 passes through the communication tube 13 is fixedly connected with the fuel tank 6, the drive pipe 12 communicates with the fuel tank 6 through the communication pipe 13, the outer periphery of the sealing plate 14 is in sealing connection with the inner wall of the communication pipe 13, and the outer periphery of the moving plate 15 is connected with the inner wall of the driving pipe 12 Threaded connection, the moving plate 15 is connected with the sealing plate 14 through the abutment assembly, the turntable 17 is located at the end of the drive pipe 12 away from the connecting pipe 13, the turntable 17 is fixedly connected with the moving plate 15 through the rotating shaft 16, two The drive assembly is respectively located on both sides of the drive tube 12 , the drive assembly is connected to the turntable 17 , the drive assembly includes a hinge unit and a rotating rod 18 , and the rotation rod 18 is connected to the turntable 17 through the hinge unit.

When it is necessary to use the driving mechanism to push the hydraulic oil in the oil tank 6 to flow into the hydraulic cylinder 7, the operator can drive the rotating rod 18 to rotate parallel to the turntable 17 through the hinge unit, and then drive the turntable 17 to rotate through the rotating rod 18, so that the rotating shaft 16 And the moving plate 15 rotates, because the moving plate 15 is threadedly connected with the driving tube 12, the moving plate 15 moves closer and preferably moves in the driving tube 12, and acts on the sealing plate 14 by abutting against the assembly, so that the sealing plate 14 moves inward in the communicating tube 13. The oil tank 6 moves closer to squeeze the hydraulic oil in the oil tank 6, and squeeze the hydraulic oil into the hydraulic cylinder 7 through the oil pipe 3. When rotating, the turning radius is increased by the turning rod 18, thereby enlarging the torque and making the operation easier. Convenient and labor-saving.

Preferably, in order to drive the sealing plate 14 to move closer to the oil tank 6 in the communication pipe 13, the abutting assembly includes several abutting units, and the abutting units are uniformly distributed on the side of the moving plate 15 near the sealing plate 14 in the circumferential direction. , the abutting unit includes a connecting rod 19, an abutting block 20 and a ball 21, the abutting block 20 is fixedly connected with the moving plate 15 through the connecting rod 19, and the side of the abutting block 20 close to the sealing plate 14 A notch is provided, and the notch is matched with the ball 21 , the center of the ball 21 is located in the notch, and the ball 21 abuts against the sealing plate 14 . When the moving plate 15 rotates in the driving tube 12 and moves towards the fuel tank 6, it drives the connecting rod 19 and the abutting block 20 to rotate and move synchronously, and in the notch of the abutting block 20, the ball 21 rotates on the surface of the sealing plate 14 , and at the same time, the ball 21 abuts against the sealing plate 14 , so that the sealing plate 14 moves closer in the communication pipe 13 .

Preferably, in order to facilitate the rotation of the rotating rod 18, the hinge unit includes a central shaft 22 and two fixed tubes 23, the fixed tubes 23 are fixed on the turntable 17, and the two ends of the central shaft 22 are respectively arranged on two In the fixed tube 23 , the central shaft 22 is fixedly connected with the rotating rod 18 . The position of the fixed pipe 23 is fixed on the turntable 17, so that the central shaft 22 can rotate along the axis of the fixed pipe 23, thereby facilitating the rotation of the rotating rod 18. When it is necessary to drive the sealing plate 14 to move, the rotating rod 18 rotates to the same plane as the rotating disk 17. After the equipment is used, the rotating rod 18 rotates close to the drive tube 12, which can reduce the size of the device.

As a preference, in order to further save effort to rotate the turntable 17, the drive assembly also includes a slide plate 24, a convex plate 25, a connecting plate 26, a handle 27 and two sliding rods 28, and the convex plate 25 is fixed on the rotating rod 18 away from the turntable. 17, the slide plate 24 is set on the rotating rod 18, the two ends of the connecting plate 26 are fixedly connected with the slide plate 24 through two slide bars 28 respectively, and the convex plate 25 is set on the slide bar 28, The handle 27 is fixed on the connecting plate 26 .

After the rotating rod 18 is rotated to the same plane as the rotating disc 17, in order to make the rotating disc 17 more convenient and labor-saving, the slide plate 24 can move away from the rotating disc 17 along the rotating rod 18, so that the sliding plate 24 leans against the convex plate 25, and then the operator can Grasp the handle 27 with both hands, and drive the connecting plate 26 to rotate through the handle 27. The connecting plate 26 drives the sliding bar 28 and the sliding plate 24 to rotate, and acts on the rotating bar 18 to make the rotating disc 17 rotate. Utilize the sliding plate 24 to move away from the rotating disc 17 along the rotating bar 18 Move, expand the distance between the handle 27 and the rotating shaft 16, further increase the radius of rotation, expand the torque of rotation, and make the rotation of the rotating disk 17 more convenient and labor-saving.

Preferably, in order to prevent the handle 27 from sliding, the handle 27 is provided with anti-skid lines. The roughness of the surface of the handle 27 is increased by using the anti-skid lines, so that it is convenient for the operator to hold the handle 27 tightly and prevent the handle 27 from sliding.

Preferably, in order to prevent the moving plate 15 from detaching from the drive tube 12 , limit plates 29 are provided on the inner walls of the drive tube 12 on both sides of the end away from the connecting tube. When the turntable 17 and the rotating shaft 16 rotate in opposite directions, the moving distance of the moving plate 15 is limited by the limit plate 29 to prevent the moving plate 15 from detaching from the drive tube 12 .

When the hole saw is in use, after the rotating rod 18 is rotated to the same plane as the rotating disk 17, the slide plate 24 is away from the rotating disk 17, thereby expanding the distance between the handle 27 and the rotating shaft 16, and then the handle 27 is driven to rotate with the axis of the rotating shaft 16, so that the moving plate 15 rotates in the drive pipe 12 and moves toward the oil tank 6, and uses the abutment assembly to drive the sealing plate 14 to move toward the oil tank 6 in the communication pipe 13, and delivers the hydraulic oil to the hydraulic cylinder 7 through the oil pipe 3, pushing the piston plate 10 to move , so that the male mold 9 squeezes the workpiece and punches holes on the workpiece. Since the distance between the handle 27 and the rotating shaft 16 is increased during punching, the rotational torque is enlarged, and the rotation of the turntable 17 is more labor-saving, so that the punching is more labor-saving. , thereby improving the practicability of the device.

Compared with the prior art, the hydraulic hole opener for opening round holes squeezes the hydraulic oil in the oil tank 6 into the hydraulic cylinder 7 through the driving mechanism, and pushes the male mold 9 to squeeze the workpiece to punch holes. , the rotational torque is increased, making the rotation of the rotating shaft 16 more convenient and labor-saving, thereby making the punching more labor-saving, thereby improving the practicability of the device.

Inspired by the above ideal embodiment according to the utility model, through the above description content, relevant staff can completely make various changes and modifications within the scope of not deviating from the technical idea of the utility model. The technical scope of this utility model is not limited to the content in the description, but must be determined according to the scope of the claims.

Claims (6)

1. a kind of hydraulic opener for opening circular hole, which is characterized in that including body (1), former (2), punching mechanism, oil pipe (3), Check valve (4), limit oil circuit breaker (5), fuel tank (6) and driving mechanism, the driving mechanism setting are described in one end of fuel tank (6) The other end of fuel tank (6) is connect by oil pipe (3) with punching mechanism, and check valve (4) setting is in oil pipe (3), the limit Oil circuit breaker (5) is arranged on oil pipe (3), and the punching mechanism is located at one end of body (1), and the other end of the body (1) is set There is aperture, the former (2) is fixed in aperture, and the side of the body (1) is equipped with socket, and the punching mechanism includes hydraulic Cylinder (7), piston rod (8) and formpiston (9), the hydraulic cylinder (7) are fixedly connected with body (1), the formpiston (9) and former (2) Match, the formpiston (9) is located at the side of the close former (2) of hydraulic cylinder (7), and one end setting of the piston rod (8) exists In hydraulic cylinder (7), the other end of the piston rod (8) is fixedly connected with formpiston (9), and piston plate is equipped in the hydraulic cylinder (7) (10) with spring (11), the inner wall of the periphery of the piston plate (10) and hydraulic cylinder (7) is tightly connected, the piston plate (10) with Piston rod (8) is fixedly connected, and the piston plate (10) passes through spring (11) and the side of the close formpiston (9) of hydraulic cylinder (7) Inner wall connection, the spring (11) are in compressive state；

The driving mechanism include driving tube (12), communicating pipe (13), sealing plate (14), movable plate (15), against component, shaft (16), turntable (17) and two driving assemblies, the driving tube (12) are fixedly connected by communicating pipe (13) with fuel tank (6), institute It states driving tube (12) and is connected to fuel tank (6) by communicating pipe (13), the periphery of the sealing plate (14) is interior with communicating pipe (13) Wall is tightly connected, and the periphery of the movable plate (15) is connect with the inner thread of driving tube (12), and the movable plate (15) passes through It is connect against component with sealing plate (14), the turntable (17) is located at one end of the separate communicating pipe (13) of driving tube (12), institute It states turntable (17) to be fixedly connected by shaft (16) with movable plate (15), two driving assemblies are located at the two of driving tube (12) Side, the driving component are connect with turntable (17), and the driving component includes hinge unit and rotating bar (18), the rotating bar (18) it is connect by hinge unit with turntable (17).

2. opening the hydraulic opener of circular hole as described in claim 1, which is characterized in that it is described against component include it is several against Unit, the side of the close sealing plate (14) that movable plate (15) is circumferentially evenly distributed on against unit are described against unit Including connecting rod (19), against block (20) and ball (21), it is described fixed by connecting rod (19) and movable plate (15) against block (20) The side of connection, the close sealing plate (14) against block (20) is equipped with recess, and the recess matches with ball (21), institute The centre of sphere for stating ball (21) is located in recess, and the ball (21) is resisted against on sealing plate (14).

3. opening the hydraulic opener of circular hole as described in claim 1, which is characterized in that the hinge unit includes central axis (22) it is fixed on turntable (17) with two fixing pipes (23), the fixing pipe (23), the both ends difference of the central axis (22) In two fixing pipes (23), the central axis (22) is fixedly connected with rotating bar (18) for setting.

4. opening the hydraulic opener of circular hole as described in claim 1, which is characterized in that the driving component further includes slide plate (24), protrusive board (25), connecting plate (26), handle (27) and two slide bars (28), the protrusive board (25) are fixed on rotating bar (18) Separate turntable (17) one end, the slide plate (24) is set on rotating bar (18), the both ends difference of the connecting plate (26) It is fixedly connected by two slide bars (28) with slide plate (24), the protrusive board (25) is set on slide bar (28), the handle (27) It is fixed on connecting plate (26).

5. opening the hydraulic opener of circular hole as claimed in claim 4, which is characterized in that the handle (27) is equipped with anti-skidding Line.

6. opening the hydraulic opener of circular hole as described in claim 1, which is characterized in that the separate connection of the driving tube (12) The inner wall of the two sides of one end of pipe is equipped with limit plate (29).