CN217729747U

CN217729747U - Hydraulic driving device of punch press

Info

Publication number: CN217729747U
Application number: CN202221244413.0U
Authority: CN
Inventors: 姜德志
Original assignee: Qingdao Zhichuan Machinery Co ltd
Current assignee: Qingdao Zhichuan Machinery Co ltd
Priority date: 2022-05-23
Filing date: 2022-05-23
Publication date: 2022-11-04
Anticipated expiration: 2032-05-23

Abstract

The utility model provides a hydraulic drive device of punch press, comprising a cylinder body, be provided with the piston inside slidable of cylinder body, the one end fixedly connected with of piston extends to the outside hydraulic stem of cylinder body, the one end of cylinder body is provided with the jar tail rather than the mutual intercommunication of inside, the inside of jar tail be provided with the inside oiling mouth that communicates each other of cylinder body, the surface of jar tail is provided with draining mechanism, draining mechanism is including the transmission frame, transmission frame fixed connection in the bottom of jar tail one end. This hydraulic drive device of punch press through the setting of draining mechanism, makes the inside hydraulic oil of cylinder body can carry out the pressure release through draining the mouth to make the hydraulic stem can artifical manual lift up, can take out the punching press work piece in the punching press process, make the work piece can follow new processing on other equipment, improved work efficiency, the taking out of the punching press work piece of being convenient for.

Description

Hydraulic driving device of punch press

Technical Field

The utility model belongs to the technical field of the punch press, especially, relate to a hydraulic drive device of punch press.

Background

Stamping is a forming method in which an external force is applied to a plate, a strip, a pipe, a profile, and the like by means of a punch and a die to cause plastic deformation or separation thereof, thereby obtaining a workpiece (stamped part) of a desired shape and size. The current power sources of the punch press are mainly two types: one is mechanical, and drives the punch to act by means of the inertia of a flywheel; the other type is hydraulic type, and the punch is driven to move by oil pressure or water pressure, wherein the oil pressure is mostly used for driving.

To fluid pressure type punch press, fluid passes through the pneumatic cylinder and produces high pressure, and when equipment broke down or lead to the pneumatic cylinder stop work because of the outage, the inside fluid of pneumatic cylinder can make the pneumatic cylinder keep certain high-pressure state to the work piece that leads to the punching press is withstood by the hydraulic stem easily, is difficult to take out, has reduced the practicality of equipment, consequently remains to improve.

SUMMERY OF THE UTILITY MODEL

In order to solve the problems, the utility model provides a hydraulic driving device of a punch press, which comprises a cylinder body, wherein a piston is arranged in the cylinder body in a sliding manner, one end of the piston is fixedly connected with a hydraulic rod extending to the outside of the cylinder body, one end of the cylinder body is provided with a cylinder tail mutually communicated with the inside of the cylinder body, the inside of the cylinder tail is provided with an oil filling port mutually communicated with the inside of the cylinder body, and the outer surface of the cylinder tail is provided with an oil drainage mechanism;

the oil drainage mechanism comprises a transmission frame, the transmission frame is fixedly connected to the bottom of one end of the cylinder tail, a one-way thread screw rod is rotatably and transversely arranged in the transmission frame in a penetrating mode, a first screw rod sleeve is connected to surface threads of the one-way thread screw rod, the surface fixing connection of the first screw rod sleeve extends to the connecting frame inside the oil filling port, an oil drainage port communicated with the inside of the cylinder body is formed in the cylinder tail, and the surface fixing connection of the connecting frame extends to the blocking plate inside the oil drainage port.

Preferably, one end of the cylinder tail is provided with a containing groove for the connecting frame to move, a through groove communicated with the oil drainage port is formed in one side of the containing groove and located in the cylinder tail, and a sealing element connected with the sealing plate in a sliding and sealing mode is arranged in the through groove.

Preferably, the other end of the hydraulic rod extends to the outside of the cylinder body and is fixedly connected with a threaded column, the outer surface of the threaded column is in threaded connection with an installation seat, and the other side of the installation seat is fixedly connected with a stamping die.

Preferably, the outer surface of the cylinder body is fixedly connected with a fixing frame, and a fixing mechanism is vertically arranged on the surface of the fixing frame.

Preferably, the fixed establishment includes the transmission case, the inside of transmission case is vertical rotationally to be provided with two-way screw lead screw, the equal threaded connection in both ends on two-way screw lead screw surface has the second lead screw cover, every the equal fixedly connected with in surface of second lead screw cover extends to the outside connecting rod of transmission case, the inboard fixedly connected with grip block of connecting rod.

Preferably, the inner wall of the transmission case is vertically and fixedly connected with a slide way, and a slide block fixedly connected with the second screw rod sleeve is arranged in the slide way.

Preferably, the shape of grip block is the convex setting of indent, two the grip block is the mirror image setting, the inner wall fixedly connected with rubber pad of grip block.

Advantageous effects

Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses a hydraulic drive device of punch press, setting through draining mechanism, can drive first lead screw cover when the one-way screw lead screw rotates and remove, will drive the link when first lead screw cover removes and remove, will drive the shutoff board when the link removes and remove, then can relieve the shutoff state of draining port when the shutoff board removes, thereby make the inside hydraulic oil of cylinder body can carry out the pressure release through the draining port, thereby make the hydraulic stem can artifical manual lifting up, can take out the punching press work piece in the punching press process, make the work piece can be from new processing on other equipment, and the work efficiency is improved, be convenient for taking out of punching press work piece.

Drawings

FIG. 1 is a schematic sectional view of the front view of the structure of the present invention;

FIG. 2 is a schematic side view of the transmission case according to the present invention;

fig. 3 is an enlarged schematic view of a structure at a in fig. 1 according to the present invention.

In the figure: 1. a cylinder body; 2. a piston; 3. a hydraulic lever; 4. a cylinder tail; 5. an oil filling port; 6. a transmission frame; 7. a one-way threaded lead screw; 8. a first screw rod sleeve; 9. a connecting frame; 10. an oil drainage port; 11. a plugging plate; 12. a receiving groove; 13. a seal member; 14. a threaded post; 15. a mounting seat; 16. a stamping die; 17. a fixed mount; 18. a transmission case; 19. a bidirectional threaded screw rod; 20. a second screw rod sleeve; 21. a connecting rod; 22. a clamping block; 23. a slideway; 24. a slider; 25. and (7) a rubber pad.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

Referring to fig. 1-3, the present invention provides a technical solution: a hydraulic driving device of a punch comprises a cylinder body 1, a piston 2 is slidably arranged inside the cylinder body 1, and one end of the piston 2 is fixedly connected with a hydraulic rod 3 extending to the outside of the cylinder body 1.

The piston 2 can drive the hydraulic rod 3 to move under the extrusion of the hydraulic oil, so that the movement of the hydraulic rod 3 is utilized for punching work.

One end of the cylinder body 1 is provided with a cylinder tail 4 communicated with the inside of the cylinder body, an oil filling port 5 communicated with the inside of the cylinder body 1 is arranged inside the cylinder tail 4, and an oil drainage mechanism is arranged on the outer surface of the cylinder tail 4.

Utilize oiling mouth 5 can pour into the inside of punching press oil into cylinder body 1, utilize draining mechanism can be at the fuel feeding equipment during stop work with remaining hydraulic oil discharge to the removal of convenient control hydraulic stem 3.

The oil drainage mechanism comprises a transmission frame 6, the transmission frame 6 is fixedly connected to the bottom of one end of the cylinder tail 4, a one-way threaded screw rod 7 is rotatably and transversely arranged in the transmission frame 6 in a penetrating mode, a first screw rod sleeve 8 is in threaded connection with the surface of the one-way threaded screw rod 7, a connecting frame 9 extending to the inside of the oil injection port 5 is fixedly connected to the surface of the first screw rod sleeve 8, an oil drainage port 10 mutually communicated with the inside of the cylinder body 1 is formed in the cylinder tail 4, and a plugging plate 11 extending to the inside of the oil drainage port 10 is fixedly connected to the surface of the connecting frame 9.

The one-way threaded screw 7 drives the first screw sleeve 8 to move when rotating, the connecting frame 9 is driven to move when the first screw sleeve 8 moves, the plugging plate 11 is driven to move when the connecting frame 9 moves, the plugging state of the oil drainage port 10 can be relieved when the plugging plate 11 moves, and therefore hydraulic oil inside the cylinder body 1 can be decompressed through the oil drainage port 10, the hydraulic rod 3 can be manually lifted up manually, the punching workpiece in the punching process can be taken out, the workpiece can be newly machined on other devices, the working efficiency is improved, and the punching workpiece can be conveniently taken out.

Furthermore, one end of the cylinder tail 4 is provided with a containing groove 12 for the connecting frame 9 to move, a through groove communicated with the oil drain opening 10 is formed in one side of the containing groove 12 and located in the cylinder tail 4, and a sealing element 13 connected with the sealing plate 11 in a sliding and sealing mode is arranged in the through groove.

In this embodiment, the accommodating groove 12 allows the connecting frame 9 to enter when moving, so that the cylinder end 4 does not affect the operation of the connecting frame 9, and the sealing member 13 can seal the blocking plate 11, so that the hydraulic oil does not enter the accommodating groove 12 through the through groove, thereby playing a role in sealing.

Further, the other end of the hydraulic rod 3 extends to the outside of the cylinder body 1 and is fixedly connected with a threaded column 14, the outer surface of the threaded column 14 is in threaded connection with an installation seat 15, and the other side of the installation seat 15 is fixedly connected with a stamping die 16.

In this embodiment, the threaded post 14 and the mounting seat 15 are arranged, so that the stamping die 16 can be conveniently detached and mounted, different stamping dies 16 can be replaced by the device according to different workpieces, and the practicability is improved.

Further, the outer surface of the cylinder body 1 is fixedly connected with a fixing frame 17, and a fixing mechanism is vertically arranged on the surface of the fixing frame 17.

In this embodiment, the fixing frame 17 plays a role of fixing, and the lifted hydraulic rod 3 can be fixed by using the fixing mechanism after the oil supply device is stopped, so that the hydraulic rod 3 keeps a stable state, and the subsequent maintenance and the practicability are facilitated.

Further, fixed establishment includes transmission case 18, and the inside of transmission case 18 is vertical to be provided with two-way screw lead screw 19 rotationally, and the equal threaded connection in both ends on two-way screw lead screw 19 surface has second lead screw cover 20, and the equal fixedly connected with in surface of every second lead screw cover 20 extends to the outside connecting rod 21 of transmission case 18, and the inboard fixedly connected with grip block 22 of connecting rod 21.

In this embodiment, two-way screw lead screw 19 will drive second lead screw cover 20 through the screw when rotating and be close to each other or keep away from, will drive grip block 22 through connecting rod 21 when second lead screw cover 20 is close to each other or keeps away from and remove to utilize grip block 22's removal can the centre gripping on the surface of hydraulic stem 3, can fix hydraulic stem 3, lift up the back at the manual work at hydraulic stem 3, can fix hydraulic stem 3, make things convenient for taking out of work piece.

Further, a slide 23 is fixedly connected to the inner wall of the transmission case 18 in the vertical direction, and a slide 24 fixedly connected to the second lead screw sleeve 20 is slidably disposed inside the slide 23.

In this embodiment, the slide 23 allows the slider 24 to slide inside it, thereby limiting the movement of the second screw sleeve 20.

Further, the shape of grip block 22 is concave circular arc setting, and two grip blocks 22 are the mirror image setting, and the inner wall fixedly connected with rubber pad 25 of grip block 22.

In this embodiment, can increase grip block 22 and hydraulic stem 3's friction area through the setting of indent arc to increase the stability after hydraulic stem 3 is fixed, utilize rubber pad 25 can further increase grip block 22 and hydraulic stem 3's frictional force.

The utility model discloses a theory of operation and use flow: when the oil supply equipment stops to cause the hydraulic rod 3 to extrude a workpiece and is difficult to take out, firstly, the one-way threaded screw rod 7 is rotated, when the one-way threaded screw rod 7 rotates, the first screw rod sleeve 8 is driven to move, when the first screw rod sleeve 8 moves, the connecting frame 9 is driven to move, when the connecting frame 9 moves, the plugging plate 11 is driven to move, when the plugging plate 11 moves, the plugging state of the oil drainage opening 10 is relieved, so that hydraulic oil in the cylinder body 1 can be decompressed through the oil drainage opening 10, the hydraulic rod 3 can be manually lifted up, when the hydraulic rod 3 is lifted up, the two-way threaded screw rod 19 is rotated, when the two-way threaded screw rod 19 rotates, the second screw rod sleeve 20 is driven to mutually approach or keep away from each other through the screw thread, when the second screw rod sleeve 20 mutually approaches or keeps away from each other, the clamping block 22 is driven to move through the connecting rod 21, so that the hydraulic rod 3 can be clamped on the surface of the hydraulic rod 3 through the movement of the clamping block 22, the hydraulic rod 3 can be fixed, after the hydraulic rod 3 is manually lifted up, and the workpiece can be conveniently taken out.

The above description is only exemplary of the present invention and should not be construed as limiting the present invention, and any modifications, equivalents and improvements made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

1. A hydraulic drive device of a punch press is characterized in that: the oil drain device comprises a cylinder body (1), wherein a piston (2) is slidably arranged in the cylinder body (1), one end of the piston (2) is fixedly connected with a hydraulic rod (3) extending to the outside of the cylinder body (1), one end of the cylinder body (1) is provided with a cylinder tail (4) mutually communicated with the inside of the cylinder body, an oil filling port (5) mutually communicated with the inside of the cylinder body (1) is arranged in the cylinder tail (4), and an oil drain mechanism is arranged on the outer surface of the cylinder tail (4);

the oil drainage mechanism comprises a transmission frame (6), the transmission frame (6) is fixedly connected with the bottom of one end of the cylinder tail (4), a one-way thread screw rod (7) is rotatably and transversely arranged in the transmission frame (6), a first screw rod sleeve (8) is connected to the surface of the one-way thread screw rod (7) in a threaded manner, the surface of the first screw rod sleeve (8) is fixedly connected with an oil drainage port (10) which is communicated with the oil drainage port (5) in the cylinder tail (4), and the surface of the connecting frame (9) is fixedly connected with a blocking plate (11) which is communicated with the oil drainage port (10) in the cylinder body (1) in the mutual manner.

2. A hydraulic driving apparatus of a punch press as claimed in claim 1, wherein: one end of the cylinder tail (4) is provided with a containing groove (12) for the connecting frame (9) to move, one side of the containing groove (12) is positioned in the cylinder tail (4) and is provided with a through groove communicated with the oil drainage port (10), and a sealing piece (13) connected with the plugging plate (11) in a sliding and sealing manner is arranged in the through groove.

3. A hydraulic driving apparatus of a punch press as claimed in claim 1, wherein: the other end of the hydraulic rod (3) extends to the outside of the cylinder body (1) and is fixedly connected with a threaded column (14), the outer surface of the threaded column (14) is in threaded connection with an installation seat (15), and the other side of the installation seat (15) is fixedly connected with a stamping die (16).

4. A hydraulic driving apparatus of a punch press as claimed in claim 1, wherein: the outer fixed surface of the cylinder body (1) is fixedly connected with a fixing frame (17), and a fixing mechanism is vertically arranged on the surface of the fixing frame (17).

5. The hydraulic driving apparatus of a punch press as claimed in claim 4, wherein: the fixing mechanism comprises a transmission case (18), a bidirectional threaded screw rod (19) is vertically and rotatably arranged inside the transmission case (18), two ends of the surface of the bidirectional threaded screw rod (19) are respectively and fixedly connected with a second screw rod sleeve (20), each surface of the second screw rod sleeve (20) is respectively and fixedly connected with a connecting rod (21) extending to the outside of the transmission case (18), and a clamping block (22) is fixedly connected to the inner side of the connecting rod (21).

6. The hydraulic driving apparatus of a punch press as claimed in claim 5, wherein: the inner wall of the transmission case (18) is vertically and fixedly connected with a slide way (23), and a slide block (24) fixedly connected with the second screw rod sleeve (20) is arranged in the slide way (23).

7. The hydraulic driving apparatus of a punch press as claimed in claim 5, wherein: the shape of grip block (22) is the setting of indent circular arc, two grip block (22) are the mirror image setting, the inner wall fixedly connected with rubber pad (25) of grip block (22).