CN220428047U

CN220428047U - Bench clamp structure

Info

Publication number: CN220428047U
Application number: CN202321789448.7U
Authority: CN
Inventors: 胡建省; 刘洪强; 徐飞; 王增安; 魏克宁
Original assignee: Tianjin Aima Vehicle Technology Co Ltd
Current assignee: Tianjin Aima Vehicle Technology Co Ltd
Priority date: 2023-07-10
Filing date: 2023-07-10
Publication date: 2024-02-02
Anticipated expiration: 2033-07-10

Abstract

The utility model discloses a bench clamp structure, which relates to the technical field of machining and comprises a clamp seat and a clamp body, wherein the clamp body is arranged on the clamp seat in a sliding manner, a first jaw is arranged on the clamp seat, a second jaw is arranged on the clamp body, and the first jaw and the second jaw are oppositely arranged; the hydraulic cylinder is fixed on the clamp seat and is connected with the clamp body; the hydraulic cylinder is connected with a hydraulic cylinder wrench, and a cylinder rod of the hydraulic cylinder can be driven to extend by pulling the hydraulic cylinder wrench, so that the second jaw moves close to the first jaw to clamp a workpiece; the oil valve of the hydraulic cylinder is connected with an oil valve rod, and the oil valve can be adjusted through the oil valve rod so as to retract the cylinder rod of the hydraulic cylinder. The utility model can improve the processing efficiency, reduce the labor intensity of users and reduce the maintenance cost.

Description

Bench clamp structure

Technical Field

The utility model relates to the technical field of machining, in particular to a bench clamp structure.

Background

The traditional bench vice structure generally comprises a fixed vice body, a movable vice body, a screw rod, a jaw and the like, wherein the movable vice body is in sliding fit with a guide rail of the fixed vice body through a guide rail groove, the screw rod is arranged on the fixed vice body and can rotate, the screw rod is matched with a screw rod nut arranged in the movable vice body, and steel jaws are fixed on the fixed vice body and the movable vice body through screws. When the handle is rocked to rotate the screw rod, the movable clamp body can be driven to move relative to the fixed clamp body along the axial direction of the screw rod, so that the clamping or loosening effect is achieved.

The existing bench clamp structure generally drives the movable clamp body to move through the lead screw, the handle is required to be rocked to adjust the position of the movable clamp body, time and labor are wasted, and when a workpiece is clamped, the handle is required to be rocked to clamp forcefully, so that the labor intensity is increased; and the screw rod is easy to damage after long-time use.

Disclosure of Invention

The utility model aims to provide a bench clamp structure which solves the problems existing in the prior art, can improve the processing efficiency, reduces the labor intensity of a user and reduces the maintenance cost.

In order to achieve the above object, the present utility model provides the following solutions:

the utility model provides a bench clamp structure which comprises a clamp seat and a clamp body, wherein the clamp body is arranged on the clamp seat in a sliding manner, a first jaw is arranged on the clamp seat, a second jaw is arranged on the clamp body, and the first jaw and the second jaw are oppositely arranged; the hydraulic cylinder is fixed on the clamp seat and is connected with the clamp body; the hydraulic cylinder is connected with a hydraulic cylinder wrench, and a cylinder rod of the hydraulic cylinder can be driven to extend by pulling the hydraulic cylinder wrench, so that the second jaw moves close to the first jaw to clamp a workpiece; the oil valve of the hydraulic cylinder is connected with an oil valve rod, and the oil valve can be adjusted through the oil valve rod so as to retract the cylinder rod of the hydraulic cylinder.

Preferably, the pliers seat is provided with a guide rail, the guide rail is perpendicular to the working surface of the first jaw, the bottom of the pliers body is provided with a guide rail groove matched with the guide rail, and the pliers body is slidably arranged on the guide rail through the guide rail groove.

Preferably, the tail end of the hydraulic cylinder is connected with a fixed base, the fixed base is fixed on the clamp base, and a cylinder rod of the hydraulic cylinder is connected with the clamp body.

Preferably, the end part of the cylinder rod is connected with a connector, the connector is fixedly connected with the clamp body through a bolt, and a spring plate is arranged between the connector and the clamp body.

Preferably, a fixed block is arranged at one end, far away from the first jaw, of the clamp seat, and the fixed base is fixed on the fixed block.

Preferably, the clamp seat is further provided with a stop block, and the stop block is located on one side of the clamp body away from the first jaw so as to limit the retraction position of the cylinder rod.

Preferably, the bench clamp structure further comprises a protective cover, the protective cover is arranged in a non-working area on the clamp seat, an opening is formed in the protective cover, and the opening is used for allowing the hydraulic cylinder wrench and the oil valve rod to penetrate out and conduct adjustment.

Preferably, the protective cover is detachably mounted on the clamp seat.

Preferably, the working surfaces of the first jaw and the second jaw are respectively provided with cross-hatching, and the first jaw and the second jaw are respectively hardened by heat treatment.

Preferably, the surfaces of the pliers body and the pliers seat are subjected to rust-proof treatment.

Compared with the prior art, the utility model has the following technical effects:

according to the utility model, the hydraulic cylinder drives the clamp body and the second jaw on the clamp body to move, and the cylinder rod of the hydraulic cylinder can be driven to extend only by pulling the hydraulic cylinder wrench, so that the second jaw moves close to the first jaw to clamp a workpiece together, the processing efficiency is improved, and the labor intensity of a user is reduced; compared with the original screw rod structure, the hydraulic cylinder is not easy to damage after long-time use, and the equipment maintenance cost is reduced.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is an overall schematic view of a bench clamp structure in an embodiment of the utility model;

fig. 2 is a schematic view of the structure of the bench clamp according to the embodiment of the utility model, with the protective cover removed.

In the figure: 1-protection casing, 2-pincers seat, 301-first jaw, 302-second jaw, 4-pincers body, 5-connector, 6-pneumatic cylinder, 601-pneumatic cylinder spanner, 602-oil valve rod, 7-fixed block, 8-dog.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In order that the above-recited objects, features and advantages of the present utility model will become more readily apparent, a more particular description of the utility model will be rendered by reference to the appended drawings and appended detailed description.

Example 1

As shown in fig. 1-2, in this embodiment, a bench clamp structure is provided, which mainly includes a clamp seat 2 and a clamp body 4, the clamp body 4 is slidably disposed on the clamp seat 2, a clamp jaw fixing plate is vertically disposed at one end of the clamp seat 2, a first clamp jaw 301 is fixed on the clamp jaw fixing plate by a bolt, a second clamp jaw 302 is disposed on the clamp body 4, the first clamp jaw 301 and the second clamp jaw 302 are disposed opposite to each other, and a workpiece can be clamped together by the first clamp jaw 301 and the second clamp jaw 302, so as to facilitate processing of the workpiece. In this embodiment, the bench clamp structure further includes a hydraulic cylinder 6, where the hydraulic cylinder 6 is fixed on the clamp seat 2 and connected to the clamp body 4, and the hydraulic cylinder 6 can drive the clamp body 4 and the second jaw 302 thereon to move close to or away from the first jaw 301, so as to clamp or unclamp a workpiece; the hydraulic cylinder 6 is connected with a hydraulic cylinder wrench 601, and a cylinder rod of the hydraulic cylinder 6 can be driven to extend by pulling the hydraulic cylinder wrench 601 so that the second jaw 302 moves close to the first jaw 301 to clamp a workpiece; an oil valve rod 602 is connected to the oil valve of the hydraulic cylinder 6, and the oil valve can be adjusted by the oil valve rod 602 so as to retract the cylinder rod of the hydraulic cylinder 6, thereby loosening the workpiece.

In this embodiment, a deflation button is also provided on the hydraulic cylinder 6 to facilitate the deflation.

In the embodiment, the hydraulic cylinder 6 drives the clamp body 4 and the second jaw 302 on the clamp body to move, and the cylinder rod of the hydraulic cylinder 6 can be driven to extend only by pulling the hydraulic cylinder spanner 601, so that the second jaw 302 moves close to the first jaw 301 to clamp a workpiece together, the machining efficiency is improved, and the labor intensity of a user is reduced; compared with the original screw rod structure, the hydraulic cylinder 6 is not easy to damage after long-time use, and the equipment maintenance cost is reduced.

In this embodiment, the jaw seat 2 is provided with a guide rail, the guide rail is perpendicular to the working surface of the first jaw 301, a guide rail groove matched with the guide rail is provided at the bottom of the jaw body 4, and the jaw body 4 is slidably disposed on the guide rail through the guide rail groove, so that the second jaw 302 can be disposed close to or far from the first jaw 301. Wherein, the guide rail is preferably a T-shaped guide rail, and the guide rail groove is correspondingly a T-shaped guide rail groove.

In this embodiment, the hydraulic cylinder 6 is horizontally disposed on the jaw base 2 and is disposed parallel to the guide rail; the tail end of the hydraulic cylinder 6 is connected with a fixed base which is fixed on the clamp seat 2; specifically, a fixing block 7 is fixed on one end, far away from the first jaw 301, of the jaw seat 2 through a bolt, the fixing seat is fixed on the fixing block 7 through a bolt, and a cylinder rod of the hydraulic cylinder 6 is connected with the jaw body 4.

In this embodiment, the end portion of the cylinder rod is connected with the connecting body 5, where the connecting body 5 is preferably a connecting plate, the end portion of the cylinder rod is connected with the middle portion of the connecting plate through a bolt, two ends of the connecting plate are fixedly connected with the pliers body 4 through a bolt, an elastic sheet is disposed between the connecting body 5 and the pliers body 4, and the elastic sheet is sleeved on the corresponding bolt to play a role of clamping and buffering. Further, the second jaw 302 is fixed to the clamp body 4 by two bolts, or the bolts can sequentially pass through the second jaw 302, the clamp body 4 and the connecting body 5 to realize common fixation.

In this embodiment, the jaw seat 2 is further fixed with a stop block 8 by a bolt, the stop block 8 is located at a side of the jaw body 4 away from the first jaw 301, and is specifically disposed at an end of the guide rail away from the first jaw 301, so as to limit the retracted position of the cylinder rod and prevent the jaw body 4 from being separated from the guide rail; wherein the stop 8 can be fastened to the end of the guide rail by means of a bolt.

In this embodiment, as shown in fig. 1, the bench clamp structure further includes a protective cover 1, the protective cover 1 is covered on the non-working area on the clamp seat 2, an opening is provided on the protective cover 1, the opening is used for the hydraulic cylinder wrench 601 and the oil valve rod 602 to pass out, and the size of the opening can supply oil to the valve rod 602 and the hydraulic cylinder wrench 601 to act. It should be noted that, the end provided with the fixed block 7 on the jaw seat 2 is the tail end, the end provided with the first jaw 301 is the front end, and the non-working area is the area which does not directly participate in the clamping work, namely, after the fixed block 7 is propped against the jaw body 4 and the stop block 8, the position of the second jaw 302 is located, the protective cover 1 is covered in the area, so that the hydraulic cylinder 6 and the guide rail of the non-working area can be protected, the iron pin can be prevented from entering, and the service life of the guide rail is prolonged.

In this embodiment, the protection cover 1 may be detachably mounted on the jaw seat 2, specifically, may be detachably mounted on the jaw seat 2 by bolts, so as to detach the protection cover 1, and maintain the internal structure.

In this embodiment, the working surfaces of the first jaw 301 and the second jaw 302 are both planes, and cross-hatching patterns are formed on the working surfaces, so that the workpiece is not easy to slide after being clamped, and the first jaw 301 and the second jaw 302 are hardened by heat treatment, so that the workpiece has better wear resistance.

In this embodiment, the surface of the caliper body 4 and the surface of the caliper base 2 are subjected to rust-preventing treatment, so that rust-preventing performance is improved; the rust-proof treatment is mature prior art in the field, and can be selected according to specific working requirements, such as spraying rust-proof paint or plating a metal protective film, and the like, and the details are not repeated in the embodiment.

The working principle of the bench clamp structure in this embodiment is as follows:

the left side and the right side of the clamp seat 2 are respectively fixed on a workbench surface by two M12 bolts (as shown in fig. 2, a round hole and a strip hole are formed in the left side and the right side of the clamp seat 2 and used for allowing the M12 bolts to pass through for fixing), then the clamping gap between the first clamp jaw 301 and the second clamp jaw 302 is adjusted, when a workpiece is large, the clamping gap is small, and the workpiece cannot be placed in, the oil valve rod 602 is adjusted to enable the cylinder rod of the hydraulic cylinder 6 to retract, the workpiece is placed in the clamping gap, the hydraulic cylinder wrench 601 is placed flatly, and the hydraulic cylinder 6 drives the clamp body 4 to move to clamp the workpiece, so that the clamping force is stable and consistent.

The principles and embodiments of the present utility model have been described in detail with reference to specific examples, which are provided to facilitate understanding of the method and core ideas of the present utility model; also, it is within the scope of the present utility model to be modified by those of ordinary skill in the art in light of the present teachings. In view of the foregoing, this description should not be construed as limiting the utility model.

Claims

1. The bench clamp structure comprises a clamp seat and a clamp body, wherein the clamp body is arranged on the clamp seat in a sliding manner, a first jaw is arranged on the clamp seat, a second jaw is arranged on the clamp body, and the first jaw and the second jaw are oppositely arranged; the method is characterized in that: the hydraulic cylinder is fixed on the clamp seat and is connected with the clamp body; the hydraulic cylinder is connected with a hydraulic cylinder wrench, and a cylinder rod of the hydraulic cylinder can be driven to extend by pulling the hydraulic cylinder wrench, so that the second jaw moves close to the first jaw to clamp a workpiece; the oil valve of the hydraulic cylinder is connected with an oil valve rod, and the oil valve can be adjusted through the oil valve rod so as to retract the cylinder rod of the hydraulic cylinder.

2. The vise structure according to claim 1, wherein: the pliers comprise a pliers seat, a first jaw and a second jaw, wherein the pliers seat is provided with a guide rail which is perpendicular to the working face of the first jaw, the bottom of the pliers body is provided with a guide rail groove matched with the guide rail, and the pliers body is slidably arranged on the guide rail through the guide rail groove.

3. The vise structure according to claim 1, wherein: the tail end of the hydraulic cylinder is connected with a fixed base, the fixed base is fixed on the clamp base, and a cylinder rod of the hydraulic cylinder is connected with the clamp body.

4. A vice structure as claimed in claim 3, wherein: the end part of the cylinder rod is connected with a connector, the connector is fixedly connected with the clamp body through a bolt, and a spring plate is arranged between the connector and the clamp body.

5. A vice structure as claimed in claim 3, wherein: the one end that keeps away from on the pincers seat the first keep silent is provided with the fixed block, unable adjustment base is fixed in on the fixed block.

6. The vise structure according to claim 1, wherein: the clamp seat is also provided with a stop block, and the stop block is positioned on one side of the clamp body away from the first jaw so as to limit the retraction position of the cylinder rod.

7. A vice structure as claimed in any one of claims 1 to 6, wherein: the bench clamp structure further comprises a protective cover, the protective cover is arranged in a non-working area on the clamp seat, an opening is formed in the protective cover and used for allowing the hydraulic cylinder wrench and the oil valve rod to penetrate out, and the hydraulic cylinder wrench and the oil valve rod are adjusted.

8. The vise structure according to claim 7, wherein: the protective cover is detachably arranged on the clamp seat.

9. The vise structure according to claim 1, wherein: the working surfaces of the first jaw and the second jaw are respectively provided with cross reticulate patterns, and the first jaw and the second jaw are respectively hardened through heat treatment.

10. The vise structure according to claim 1, wherein: the surface of the clamp body and the surface of the clamp seat are subjected to rust prevention treatment.