CN220407975U

CN220407975U - Clamping tool for workpiece machining

Info

Publication number: CN220407975U
Application number: CN202322000205.7U
Authority: CN
Inventors: 许伟
Original assignee: Suzhou Huike Molding Technology Co ltd
Current assignee: Suzhou Huike Molding Technology Co ltd
Priority date: 2023-07-28
Filing date: 2023-07-28
Publication date: 2024-01-30
Anticipated expiration: 2033-07-28

Abstract

The utility model relates to a clamping tool for workpiece processing, which comprises a workbench, wherein a plurality of vertical frames are arranged at the bottom of the workbench, supporting frames are arranged on two sides of the workbench along the X-axis direction, a clamping driving cylinder is arranged on the outer side of the supporting frames, and the driving end of the clamping driving cylinder is connected with a clamping plate on the inner side through a clamping rod; the splint is towards inboard open-ended C type structure setting, and the inboard opening part of splint is provided with the backup pad, and the elastic contact board is installed to the inboard of backup pad, and the backup pad can be at the inboard opening part of splint along X axle direction removal through a plurality of elastic connection structure. In the process of clamping the workpiece, the elastic contact plate on the supporting plate is firstly contacted with the workpiece, and then the clamping plate is contacted with the workpiece, so that the impact force of the clamping plate when the clamping plate is directly contacted with the workpiece can be reduced to a certain extent, and the damage probability of the workpiece and the clamping plate is reduced.

Description

Clamping tool for workpiece machining

Technical Field

The utility model relates to the technical field of tool fixtures, in particular to a clamping tool for workpiece machining.

Background

In the machining process, a workpiece is required to be subjected to a series of machining processes such as welding, drilling, milling, cutting, grinding and the like, and a clamping tool is often required to clamp the workpiece to be machined during the above-mentioned processes.

The clamping tool commonly used in the prior art is shown in fig. 1, the two sides on the workbench are respectively provided with a supporting frame for supporting the clamping assembly, the clamping assembly comprises a clamping driving cylinder and clamping plates, the clamping driving cylinder drives the clamping rod and drives the clamping plates to move towards the inner side workpiece, and then the clamping treatment of the two clamping plates to the inner side workpiece is realized.

In summary, when the existing clamping tool clamps a workpiece, the clamping plate directly contacts with the workpiece at the inner side, but damage to the workpiece at the inner side may be caused when the impact force of the driving cylinder is too large, and meanwhile, irreversible damage to the clamping plate may be caused, which may affect the clamping process of the subsequent workpiece.

In view of the above-mentioned drawbacks, the present inventors have actively studied and innovated to create a clamping tool for workpiece processing, which has a more industrially useful value.

Disclosure of Invention

In order to solve the technical problems, the utility model aims to provide a clamping tool for workpiece processing.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the clamping tool for workpiece machining comprises a workbench, wherein a plurality of vertical frames are arranged at the bottom of the workbench, supporting frames are arranged on the workbench along two sides of the X-axis direction, a clamping driving cylinder is arranged on the outer side of the supporting frames, and the driving end of the clamping driving cylinder is connected with a clamping plate on the inner side through a clamping rod;

the splint is towards inboard open-ended C type structure setting, and the inboard opening part of splint is provided with the backup pad, and the elastic contact board is installed to the inboard of backup pad, and the backup pad can be at the inboard opening part of splint along X axle direction removal through a plurality of elastic connection structure.

As a further improvement of the utility model, the elastic connecting structure comprises a fixed sleeve and a supporting rod, wherein the fixed sleeve is fixedly arranged at the opening part at the inner side of the clamping plate, the supporting rod is fixedly arranged at one side of the supporting plate facing the fixed sleeve, and the supporting rod can extend into the fixed sleeve along the X-axis direction and is connected with a spring arranged in the fixed sleeve.

As a further improvement of the utility model, movable sliding grooves are arranged on the clamping plates above and below the supporting plate along the X-axis direction, and the top and the bottom of the supporting plate are connected with the movable sliding grooves through movable sliding blocks.

As a further development of the utility model, a pressure sensor is mounted on the contact surface on the inner side of the clamping plate near the top or bottom.

As a further improvement of the utility model, the clamping plate is connected with the supporting frame through a plurality of first guide posts.

As a further improvement of the utility model, the bottom of the supporting frame is connected with the limiting plates in the workbench through a plurality of second guide posts, a screw rod is arranged in the workbench along the X-axis direction, the driving end of the top of the servo motor in the middle position of the bottom of the workbench is connected with the screw rod through a gear engagement assembly, the screw rod is connected with the two limiting plates through screw rod nuts, and the screw rod nuts of the two limiting plates are in opposite threaded connection with the screw rod.

As a further improvement of the present utility model, the elastic contact plate is a silica gel plate or a rubber plate.

By means of the scheme, the utility model has at least the following advantages:

in the process of clamping the workpiece, the elastic contact plate on the supporting plate is firstly contacted with the workpiece, and then the clamping plate is contacted with the workpiece, so that the impact force of the clamping plate when the clamping plate is directly contacted with the workpiece can be reduced to a certain extent, and the damage probability of the workpiece and the clamping plate is reduced;

when the elastic contact plate is contacted with the workpiece, the supporting plate moves towards the outer side under the action of the elastic connecting structure, so that the workpiece is contacted with the clamping plate, and in the process, the elastic connecting structure plays a certain elastic buffering role on the supporting plate, so that the impact force can be reduced to a certain extent.

The foregoing description is only an overview of the present utility model, and is intended to provide a better understanding of the present utility model, as it is embodied in the following description, with reference to the preferred embodiments of the present utility model and the accompanying drawings.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some embodiments of the present utility model and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic diagram of a prior art structure;

FIG. 2 is a schematic structural view of a clamping tool for workpiece processing according to the present utility model;

fig. 3 is a schematic view of the structure of the splint of fig. 2.

In the drawings, the meaning of each reference numeral is as follows.

The device comprises a vertical frame 1, a workbench 2, a supporting frame 3, a clamping driving cylinder 4, a clamping rod 5, a clamping plate 6, a first guide pillar 7, a second guide pillar 8, a limiting plate 9, a servo motor 10, a screw rod 11, a gear meshing assembly 12, a supporting plate 13, an elastic contact plate 14, a movable sliding chute 15, a pressure sensor 16, a movable sliding block 17, a fixed sleeve 18, a supporting rod 19 and a spring 20.

Detailed Description

The following describes in further detail the embodiments of the present utility model with reference to the drawings and examples. The following examples are illustrative of the utility model and are not intended to limit the scope of the utility model.

In order to make the present utility model better understood by those skilled in the art, the following description will clearly and completely describe the technical solutions in the embodiments of the present utility model with reference to the accompanying drawings, and it is apparent that the described embodiments are only some embodiments of the present utility model, not all embodiments. The components of the embodiments of the present utility model generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the utility model, as presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, which can be made by a person skilled in the art without making any inventive effort, are intended to be within the scope of the present utility model.

Examples

As shown in figures 1 to 3 of the drawings,

the prior art is shown in fig. 1: including workstation 2, a plurality of grudging post 1 is installed to the bottom of workstation 2, and support frame 3 is all installed along the both sides of X axle direction on the workstation 2, and centre gripping drive cylinder 4 is installed in the outside on the support frame 3, and the drive end of centre gripping drive cylinder 4 is connected with inboard splint 6 through clamping lever 5, and splint 6 is connected with support frame 3 through a plurality of first guide pillar 7.

The utility model is based on the prior art, as shown in fig. 2 and 3:

the bottom of the support frame 3 is connected with a limiting plate 9 positioned in the workbench 2 through a plurality of second guide posts 8, a screw rod 11 is arranged in the workbench 2 along the X-axis direction, the driving end of the top of a servo motor 10 positioned in the middle of the bottom of the workbench 2 is connected with the screw rod 11 through a gear engagement assembly 12, the screw rod 11 is connected with the two limiting plates 9 through screw rod nuts, and the screw rod nuts of the two limiting plates 9 are opposite to the screw rod 11 in the threaded connection direction.

The splint 6 is towards inboard open-ended C type structure setting, and the inboard opening part of splint 6 is provided with backup pad 13, and silica gel or rubber material's elastic contact board 14 is installed to the inboard of backup pad 13, and backup pad 13 can be at the inboard opening part of splint 6 along X axle direction removal through a plurality of elastic connection structure. The elastic connection structure comprises a fixing sleeve 18 and a supporting rod 19, wherein the fixing sleeve 18 is fixedly arranged at an opening on the inner side of the clamping plate 6, the supporting rod 19 is fixedly arranged on one side of the supporting plate 13 facing the fixing sleeve 18, and the supporting rod 19 can extend into the fixing sleeve 18 along the X-axis direction and is connected with a spring 20 arranged in the fixing sleeve 18. The clamping plates 6 above and below the supporting plate 13 are provided with movable sliding grooves 15 along the X-axis direction, and the top and the bottom of the supporting plate 13 are connected with the movable sliding grooves 15 through movable sliding blocks 17.

In addition, a pressure sensor 16 is mounted on the contact surface inside the clamping plate 6 near the top or bottom, and the pressure sensor 16 can monitor the pressure of the clamping plate when the clamping plate is in contact with the workpiece.

The working process of the utility model is briefly described as follows:

the workpiece to be processed is placed on the workbench 2, and the support frame 3 can realize movement in the X-axis direction under the action of the servo motor 10, the screw rod 11, the gear meshing assembly 12, the limiting plate 9 and the second guide post 8, so that the position adjustment is realized, and the device is applicable to workpieces of the same type and different sizes. The clamping plate 6 is driven to clamp the workpiece facing the inner side under the action of the clamping driving cylinder 4 and the clamping rod 5, and in the clamping process, the first protruding elastic contact plate 14 contacts the workpiece, and then the supporting plate 13 moves towards the outer side under the action of the elastic connecting structure until the clamping plate 6 contacts the workpiece.

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or the number of technical features indicated. Thus, a feature defining "a first", "a second", etc. may explicitly or implicitly include one or more such feature. In the description of the present utility model, unless otherwise indicated, the meaning of "a plurality" is two or more.

In the description of the present utility model, it should be noted that, unless explicitly stated and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected: can be mechanically or electrically connected: the terms are used herein to denote any order or quantity, unless otherwise specified.

The above description is only of the preferred embodiments of the present utility model and is not intended to limit the present utility model, and it should be noted that it is possible for those skilled in the art to make several improvements and modifications without departing from the technical principle of the present utility model, and these improvements and modifications should also be regarded as the protection scope of the present utility model.

Claims

1. The clamping tool for workpiece machining comprises a workbench (2), wherein a plurality of vertical frames (1) are arranged at the bottom of the workbench (2), supporting frames (3) are arranged on the workbench (2) along two sides of the X-axis direction, clamping driving cylinders (4) are arranged on the outer sides of the supporting frames (3), and driving ends of the clamping driving cylinders (4) are connected with clamping plates (6) on the inner sides through clamping rods (5);

the method is characterized in that:

the splint (6) is towards inboard open-ended C type structure setting, the inboard opening part of splint (6) is provided with backup pad (13), elastic contact board (14) are installed to the inboard of backup pad (13), backup pad (13) can be at the inboard opening part of splint (6) along X axle direction removal through a plurality of elastic connection structure.

2. A clamping fixture for workpiece processing as claimed in claim 1, characterized in that the elastic connection structure comprises a fixing sleeve (18) and a supporting rod (19), wherein the fixing sleeve (18) is fixedly arranged at an opening on the inner side of the clamping plate (6), the supporting rod (19) is fixedly arranged on one side of the supporting plate (13) facing the fixing sleeve (18), and the supporting rod (19) can extend into the fixing sleeve (18) along the X-axis direction and is connected with a spring (20) arranged in the fixing sleeve (18).

3. The clamping tool for workpiece processing according to claim 1, wherein movable sliding grooves (15) are formed in clamping plates (6) above and below the supporting plate (13) along the X-axis direction, and the top and the bottom of the supporting plate (13) are connected with the movable sliding grooves (15) through movable sliding blocks (17).

4. A clamping fixture for workpiece processing according to claim 1, characterized in that a pressure sensor (16) is mounted on the contact surface inside the clamping plate (6) near the top or bottom.

5. A clamping fixture for workpiece processing as claimed in claim 1, characterized in that the clamping plate (6) is connected to the support frame (3) by means of a number of first guide posts (7).

6. The clamping tool for workpiece machining according to claim 1, wherein the bottom of the supporting frame (3) is connected with a limiting plate (9) located in the workbench (2) through a plurality of second guide posts (8), a screw rod (11) is installed in the workbench (2) along the X-axis direction, the driving end of the top of a servo motor (10) located in the middle position of the bottom of the workbench (2) is connected with the screw rod (11) through a gear engagement assembly (12), the screw rod (11) is connected with two limiting plates (9) through screw rod nuts, and the screw rod nuts of the two limiting plates (9) are opposite to the screw connection direction of the screw rod (11).

7. A clamping fixture for machining workpieces according to claim 1, wherein the elastic contact plate (14) is a silica gel plate or a rubber plate.