CN216802621U

CN216802621U - Hydraulic clamping device

Info

Publication number: CN216802621U
Application number: CN202123318706.7U
Authority: CN
Inventors: 孙政; 陈洪达; 徐洁
Original assignee: Jiangsu Tengyi Precision Industry Co ltd
Current assignee: Jiangsu Tengyi Precision Industry Co ltd
Priority date: 2021-12-27
Filing date: 2021-12-27
Publication date: 2022-06-24
Anticipated expiration: 2031-12-27

Abstract

The utility model relates to the technical field of hydraulic mechanical devices, in particular to a hydraulic clamping device; comprises a clamp seat and a clamping assembly, wherein the clamp seat is provided with a placing groove, a guide pillar sliding groove and a connecting rod sliding groove, the placing groove is positioned on one side of the clamp seat, the guide pillar sliding groove is positioned on one side of the clamp seat close to the placing groove, the connecting rod sliding groove is positioned on one side of the clamp seat close to the guide pillar sliding groove, the clamping assembly comprises a clamping block and a guide pillar mounting seat, the guide pillar, buffer spring, connecting rod and pneumatic cylinder, press from both sides tight piece and anchor clamps seat sliding connection, guide pillar mount pad and the tight piece fixed connection of clamp, guide pillar and anchor clamps seat sliding connection, buffer spring's one end butt guide pillar mount pad, buffer spring's the other end butt guide pillar, connecting rod and anchor clamps seat sliding connection, pneumatic cylinder and anchor clamps seat fixed connection, the output and the connecting rod of pneumatic cylinder are connected, the pneumatic cylinder piston rod is flexible, will drive clamping components action, press from both sides tight work piece, and under the condition of not dismantling the work piece, process, and the processing production efficiency is improved.

Description

Hydraulic clamping device

Technical Field

The utility model relates to the technical field of hydraulic mechanical devices, in particular to a hydraulic clamping device.

Background

The steel plate is used for various industries in life due to the advantages of high temperature resistance, high pressure resistance and corrosion resistance, along with the rapid development of the society, the living standard of people is also obviously improved, new requirements and changes are generated on the application of the steel plate, in some special fields, the steel plate is often required to be punched or grooved from the middle, then the outer end face of the steel plate is required to be processed, when the hole or the through groove is too large, the steel plate is easily deformed by directly clamping the outer end face of the steel plate, one end face is processed firstly, then the steel plate is detached to adjust the position, and other end faces are continuously processed, so that the processing time is prolonged, and the processing production efficiency is seriously reduced.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a hydraulic clamping device, aiming at solving the problems that when a steel plate with holes is processed in the prior art, in order to prevent the hole diameter from being too large, direct clamping processing is extremely easy to deform, vertical clamping is adopted, one end face is processed firstly, and the other end faces are processed continuously in the direction of detaching the steel plate and adjusting, so that the processing time is increased, and the processing efficiency is reduced.

In order to achieve the purpose, the hydraulic clamping device adopted by the utility model comprises a clamp seat and a clamping assembly;

the clamp seat is provided with a placing groove, a guide pillar sliding groove and a connecting rod sliding groove, the placing groove is positioned on one side of the clamp seat, the guide pillar sliding groove is positioned on one side, close to the placing groove, of the clamp seat and is communicated with the placing groove, and the connecting rod sliding groove is positioned on one side, close to the guide pillar sliding groove, of the clamp seat and is communicated with the guide pillar sliding groove;

the clamping assembly comprises a clamping block, a guide pillar mounting seat, a guide pillar, a buffer spring, a connecting rod and a hydraulic cylinder, the clamping block is slidably connected with the clamp seat and is located on one side, close to the standing groove, of the clamp seat, the guide pillar mounting seat is fixedly connected with the clamping block, the guide pillar is slidably connected with the clamp seat and is located on one side, close to the standing groove, of the clamp seat and is matched with the guide pillar chute, one end of the buffer spring abuts against the guide pillar mounting seat, the other end of the buffer spring abuts against the guide pillar, the connecting rod is slidably connected with the clamp seat and is matched with the connecting rod chute, the hydraulic cylinder is fixedly connected with the clamp seat and is located on one side, far away from the connecting rod chute, of the clamp seat, and the output end of the hydraulic cylinder is connected with the connecting rod and drives the connecting rod to move.

The clamp seat further comprises an ear plate, and the ear plate is fixedly connected with the clamp seat and is positioned on one side, close to the placing groove, of the clamp seat.

The fixture seat is provided with a workpiece positioning pin hole, and the workpiece positioning pin hole is positioned on one side, close to the placing groove, of the fixture seat.

The guide post is provided with a guide hole, and the guide hole is positioned on one side, far away from the placing groove, of the clamp seat and is matched with the connecting rod sliding groove.

The clamping assembly further comprises a clamp spring, the clamp spring is sleeved on the guide pillar, is abutted to the guide pillar mounting seat and is located on one side, far away from the guide pillar sliding groove, of the guide pillar.

According to the hydraulic clamping device, the clamp seat is provided with the placing groove, the clamping assembly is arranged in the placing groove, the hydraulic cylinder is arranged on one side, away from the connecting rod sliding groove, of the clamp seat, the output end of the piston rod of the hydraulic cylinder is in threaded connection with the connecting rod, the position, with the hole, of the steel plate is placed right above the clamp seat during machining, at the moment, the hydraulic control system is started, the piston rod of the hydraulic cylinder is pushed out to push the connecting rod to slide, the connecting rod slides to drive the guide pillar to slide, the guide pillar slides to drive the clamping block to act, so that the steel plate is clamped from the center of the hole of the steel plate to the outer end face of the steel plate, the outer end face of the steel plate can be machined without disassembling the steel plate, and machining production efficiency is improved.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

Fig. 1 is a schematic view of a clamp assembly of the hydraulic clamping apparatus of the present invention.

Fig. 2 is a schematic view of a structure of a holder of the hydraulic clamping apparatus of the present invention.

Fig. 3 is a schematic diagram of the structure of the guide post of the hydraulic clamping device of the present invention.

In the figure: 1-clamp seat, 2-clamping component, 11-placing groove, 12-guide pillar sliding groove, 13-connecting rod sliding groove, 14-workpiece positioning pin hole, 15-lug plate, 21-clamping block, 22-guide pillar mounting seat, 23-guide pillar, 24-buffer spring, 25-connecting rod, 26-hydraulic cylinder, 27-clamp spring and 231-guide hole.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the utility model and are not to be construed as limiting the utility model.

In the description of the present invention, it is to be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships illustrated in the drawings, and are used merely for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, are not to be construed as limiting the present invention. Further, in the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

Referring to fig. 1 to 3, the present invention provides a hydraulic clamping apparatus 100, which includes a clamp base 1 and a clamping assembly 2;

the clamp seat 1 is provided with a placing groove 11, a guide pillar sliding groove 12 and a connecting rod sliding groove 13, the placing groove 11 is located on one side of the clamp seat 1, the guide pillar sliding groove 12 is located on one side, close to the placing groove 11, of the clamp seat 1 and is communicated with the placing groove 11, and the connecting rod sliding groove 13 is located on one side, close to the guide pillar sliding groove 12, of the clamp seat 1 and is communicated with the guide pillar sliding groove 12.

The clamping assembly 2 comprises a clamping block 21, a guide post mounting seat 22, a guide post 23, a buffer spring 24, a connecting rod 25 and a hydraulic cylinder 26, the clamping block 21 is slidably connected with the clamp seat 1 and is positioned on one side of the clamp seat 1 close to the placing groove 11, the guide post mounting seat 22 is fixedly connected with the clamping block 21, the guide post 23 is slidably connected with the clamp seat 1 and is positioned on one side of the clamp seat 1 close to the placing groove 11 and is matched with the guide post sliding groove 12, one end of the buffer spring 24 is abutted against the guide post mounting seat 22, the other end of the buffer spring 24 is abutted against the guide post 23, the connecting rod 25 is slidably connected with the clamp seat 1 and is matched with the connecting rod sliding groove 13, the hydraulic cylinder 26 is fixedly connected with the clamp seat 1 and is positioned on one side of the clamp seat 1 far away from the connecting rod sliding groove 13, and the output end of the hydraulic cylinder 26 is connected with the connecting rod 25, and drives the link 25 to move.

In this embodiment, the clamp base 1 has the placement groove 11, the clamping assembly 2 is disposed in the placement groove 11, the guide post mounting base 22 is circular, one end of the guide post 23 penetrates the guide post mounting base 22, the other end of the guide post 23 is engaged with the guide post sliding groove 12, the guide post sliding groove 12 is cylindrical and is located on the side of the clamp base 1 away from the placement groove 11, the clamping block 21 is mounted on the guide post mounting base 22 by a bolt, the buffer spring 24 is disposed between the guide post mounting base 22 and the guide post 23, one end of the buffer spring 24 abuts against the guide post mounting base 22, the other end of the buffer spring 24 abuts against the guide post 23, the hydraulic cylinder 26 is fixedly mounted on the side of the clamp base 1 by a bolt, and the output end of the hydraulic cylinder 26 is connected to the connecting rod 25 by a bolt, after a workpiece is placed, a hydraulic control device is started, a piston rod of the hydraulic cylinder 26 extends out to push the connecting rod 25 to slide in the connecting rod sliding groove 13, the connecting rod 25 drives the guide post 23 to slide when sliding, the guide post 23 drives the guide post mounting seat 22 to move when sliding in the guide post sliding groove 12, meanwhile, the buffer spring 24 is compressed to provide a reverse acting force to prevent over-impact, the guide post mounting seat 22 moves to drive the clamping block 21 to move, the angle of the clamping block 21 changes, and the clamping block is changed from an inclined state to a vertical state, so that the workpiece is clamped from the center of an inner circular hole to the outer edge direction, the workpiece can be simultaneously machined without detaching and adjusting the position, and the production efficiency is improved.

Further, referring to fig. 2, the fixture seat 1 further includes an ear plate 15, and the ear plate 15 is fixedly connected to the fixture seat 1 and is located on a side of the fixture seat 1 close to the placing groove 11.

In this embodiment, the lug plate 15 is installed on one side of the clamp seat 1 close to the placing groove 11 through a bolt, and a positioning pin is installed on the lug plate 15 to ensure that the clamping block 21 can slide on the clamp seat 1, so that after the clamping block 21 clamps a workpiece, the clamping block 21 can be positioned to prevent the clamping block 21 from over-clamping and damaging the workpiece.

Further, referring to fig. 2, the fixture seat 1 further has a workpiece positioning pin hole 14, and the workpiece positioning pin hole 14 is located on a side of the fixture seat 1 close to the placing groove 11.

In this embodiment, the top end surface of the fixture seat 1 is further provided with the workpiece positioning pin hole 14, and a positioning pin is installed in the workpiece positioning pin hole 14, so that when a workpiece is placed, the workpiece is positioned in the horizontal direction, and the workpiece is prevented from moving in the horizontal direction during processing to affect the processing size.

Further, referring to fig. 1 and fig. 3, the guide post 23 has a guide hole 231, and the guide hole 231 is located on a side of the fixture seat 1 away from the placing groove 11 and is engaged with the connecting rod sliding groove 13.

In this embodiment, the guide hole 231 is a rectangular hole, and when clamping is performed, the hydraulic cylinder 26 pushes the connecting rod 25 to slide on the connecting rod sliding groove 13, the sliding portion between the connecting rod sliding groove 13 and the guide hole 231 has a taper, so as to drive the guide post 23 to slide, the guide post 23 drives the clamping block 21 to move, the angle of the clamping block 21 changes, and the inclination changes to be vertical, so as to clamp a workpiece.

Further, referring to fig. 1 and fig. 3, the clamping assembly further includes a clamp spring 27, wherein the clamp spring 27 is sleeved on the guide post 23, abuts against the guide post mounting seat 22, and is located on a side of the guide post 23 away from the guide post sliding groove 12.

In this embodiment, a clamp spring groove is formed at the upper end of the guide post 23, the clamp spring 27 is installed in the clamp spring groove, the clamp spring groove is C-shaped and made of spring steel SK7, and the clamp spring 27 axially positions the guide post 23 to prevent the guide post 23 from axially moving in the guide post mounting seat 22 to affect workpiece clamping.

While the utility model has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and detail may be made therein without departing from the spirit and scope of the utility model.

Claims

1. A hydraulic clamping device is characterized by comprising a clamp seat and a clamping assembly;

2. Hydraulic clamping device according to claim 1,

3. Hydraulic clamping device according to claim 1,

the clamp seat is further provided with a workpiece positioning pin hole, and the workpiece positioning pin hole is located on one side, close to the placing groove, of the clamp seat.

4. Hydraulic clamping device according to claim 1,

the guide post is provided with a guide hole, and the guide hole is positioned on one side, away from the placing groove, of the clamp seat and matched with the connecting rod sliding groove.

5. Hydraulic clamping device according to claim 1,