CN216399395U

CN216399395U - Clamping mechanism

Info

Publication number: CN216399395U
Application number: CN202123195318.4U
Authority: CN
Inventors: 梁树海; 林国梁; 贺致富; 孙国华
Original assignee: Xiamen Laiman New Material Technology Co ltd
Current assignee: Xiamen Laiman New Material Technology Co ltd
Priority date: 2021-12-17
Filing date: 2021-12-17
Publication date: 2022-04-29
Anticipated expiration: 2031-12-17

Abstract

The utility model provides a clamping mechanism which comprises a base and a pressing unit, wherein a plurality of clamping grooves are formed in the base, the width of a product is X, the groove width of each clamping groove is Y, and Y-X is more than or equal to 0.1 mm; the pressing unit is provided with the quantity the same as the clamping grooves, a rubber pad is arranged on the output shaft of the pressing unit towards the direction of the clamping grooves, and the pressing unit is used for pushing the product to the clamping grooves. Since the dimensional requirements for product processing are high, if the fixed workpiece is positioned inaccurately, inclined or deviated, defective workpieces are likely to be processed. The clamping mechanism is designed according to the condition, the base is provided with the clamping grooves, the size of each clamping groove is slightly larger than that of a product, the workpiece can be placed in the clamping groove just in a limiting mode, meanwhile, the clamping grooves cannot block the workpiece, the workpiece can be rapidly taken and placed, and machining efficiency and product quality are improved.

Description

Clamping mechanism

Technical Field

The utility model relates to the field of fixture tool structures, in particular to a clamping mechanism.

Background

At present, when a workpiece with higher precision is machined, a manual mode is adopted, so that the experience of workers is rich, and corresponding auxiliary equipment is provided. However, in reality, the manual machining method requires a lot of manpower to perform operations, such as fixing parts or workpieces one by one, and then performing machining production manually. However, the existing workers have different processing experiences, and the device for fixing the workpiece is not enough to meet the requirements, so that great human errors exist in the production and processing process, the working efficiency is low, the quality of the product cannot be guaranteed, and the production cost is increased.

SUMMERY OF THE UTILITY MODEL

The utility model provides a clamping mechanism, aiming at solving the problem that the existing clamping equipment or device is easy to deviate when clamping a workpiece.

The utility model is realized by the following steps: a clamping mechanism comprising:

the base is provided with a plurality of clamping grooves, the width of a product is X, the groove width of each clamping groove is Y, and Y-X is more than or equal to 0.1 mm; and

the pressing units are arranged in the same number as the clamping grooves, rubber pads are arranged in the direction, facing the clamping grooves, of output shafts of the pressing units, and the pressing units are used for pressing products against the clamping grooves.

Preferably, the base is provided with a detachable stop block, and the clamping groove is formed in the stop block.

Preferably, a fool-proof structure is arranged in the clamping groove.

Preferably, the fool-proof structure is a protrusion or a groove.

Preferably, the pressing unit is a presser or an air cylinder.

Preferably, the compressing unit comprises a fixing plate, a slidable spring and a limiting part, the slidable spring is arranged on the ejector rod, and the spring and the limiting part are located between the ejector rod and the fixing plate, the spring is sleeved on the ejector rod, and the limiting part is used for abutting and locking the ejector rod when the ejector rod is in an abutting state.

The utility model has the beneficial effects that:

1. since the dimensional requirements for product processing are high, if the fixed workpiece is positioned inaccurately, inclined or deviated, defective workpieces are likely to be processed. The clamping mechanism is designed according to the condition, the base is provided with the clamping grooves, the size of each clamping groove is slightly larger than that of a product, the workpiece can be placed in the clamping groove just in a limiting mode, meanwhile, the clamping grooves cannot block the workpiece, the workpiece can be rapidly taken and placed, and machining efficiency and product quality are improved.

2. The clamping groove is internally provided with the fool-proof structure, so that the workpiece can be placed correctly, the positioning effect is achieved, the workpiece machining error caused by the placement error is avoided, and the production cost and the reject ratio of the workpiece are reduced.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

FIG. 1 is a schematic structural diagram of a clamping mechanism according to an embodiment of the present invention;

FIG. 2 is a cross-sectional view of a clamping mechanism according to an embodiment of the utility model;

FIG. 3 is a partial schematic view of a clamping mechanism according to an embodiment of the utility model;

reference numerals:

10. a base; 101. a card slot; 102. a stopper; 1011. a fool-proof structure;

20. a pressing unit; 201. a rubber pad; 202. a fixing plate; 203. a top rod;

204. a spring; 205. and a limiting member.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings of the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention. Thus, the following detailed description of the embodiments of the present invention, 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 obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

Examples of the following,

Referring to fig. 1 and fig. 2, the present embodiment provides a clamping mechanism, which includes a base 10 and a pressing unit 20, wherein the base 10 is provided with a plurality of slots 101, and when the width of a product is X and the slot width of the slot 101 is Y, Y-X is greater than or equal to 0.1 mm; the pressing unit 20 is provided with the same number as the clamping grooves 101, the output shaft of the pressing unit 20 is provided with rubber pads 201 towards the direction of the clamping grooves 101, and the pressing unit 20 is used for pressing a product against the clamping grooves 101.

The clamping mechanism can be used for carrying out high-precision clamping processing, and a plurality of workpieces are arranged through the clamping grooves 101, so that the purpose of processing the workpieces simultaneously is achieved, and the processing efficiency is improved; or, the workpieces on the clamping mechanism are processed in sequence, so that the time for replacing the workpieces is reduced, and the purpose of improving the processing efficiency is also achieved. Further, the size of the slot 101 may be designed according to the shape of the workpiece, such that the slot 101 is slightly larger than the workpiece, for example: the clamping groove 101 is 0.1mm larger than the workpiece, so that the workpiece can be just placed in the clamping groove 101 in a limiting mode, the machining quality of the workpiece is guaranteed, the workpiece is not affected to be rapidly taken and placed, and the machining efficiency of the workpiece is guaranteed.

When clamping a workpiece, in order to avoid the damage of the output shaft of the pressing unit 20 to the surface of the workpiece, a rubber pad 201 is installed on the end of the output shaft to play a role in protection. Meanwhile, the rubber pad 201 also has a certain deformation buffering effect, and can be well compatible with the contact stroke of a workpiece, so that the clamping stress of the workpiece is relatively even, and the practicability is improved.

As shown in fig. 1 and 2, the base 10 of the present embodiment is provided with a detachable stopper 102, and the engaging groove 101 is provided on the stopper 102. The stopper 102 can be in sliding fit with the base 10 through a T-shaped sliding groove structure, and then the bolt is locked, so that the stopper 102 can be assembled and used conveniently, and later-stage disassembly maintenance or repair is facilitated, and the practicability is improved.

As shown in fig. 1, a fool-proof structure 1011 is disposed in the slot 101 in this embodiment, and the fool-proof structure 1011 is a protrusion or a groove. Specifically, the fool-proof structure 1011 can be a pin or a groove, or designed according to the outline of the workpiece, and only the workpiece is required to be placed in the clamping groove 101 at a certain position, so that the workpiece can be prevented from being misplaced through the fool-proof structure 1011. And the correct placement of the workpieces can eliminate the problem of producing waste or defective workpieces due to misplacement, improve the yield of production and reduce the production cost.

The pressing unit 20 in the embodiment is a pressing device or an air cylinder, stable top pressure can be provided through the pressing device or the air cylinder, operation is flexible, control can be performed through a computer, and intelligence is improved.

As shown in fig. 3, the compressing unit 20 in this embodiment includes a fixing plate 202, a slidable rod 203, a spring 204 located between the rod 203 and the fixing plate 202, and a limiting member 205, wherein the spring 204 is sleeved on the rod 203, and the limiting member 205 is used for abutting and locking the rod 203 when in an abutting state. The limiting member 205 may be a spring 204 buckle, a notch is formed on a side surface of the top rod 203 to be matched with the spring 204 buckle, and when the top rod 203 moves to the position where the spring 204 buckles, the spring 204 buckle is matched with the notch to realize positioning and locking of the top rod 203.

Specifically, after a workpiece is placed in the slot 101, the push rod 203 is pressed to move to the position of the limiting member 205 for locking, and meanwhile, the workpiece is pressed against and fixed, so that the workpiece can be processed. After the workpiece is machined, the top rod 203 is pressed again, and the force of the spring 204 provided by the spring 204 on the top rod 203 is matched, so that the top rod 203 and the limiting piece 205 are separated to reset, and the workpiece is locked and limited next time, and the effect of stable clamping is achieved.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A clamping mechanism, comprising:

2. The clamping mechanism of claim 1, wherein: the base is provided with a detachable stop block, and the clamping groove is formed in the stop block.

3. A clamping mechanism according to claim 1 or 2, wherein: a fool-proof structure is arranged in the clamping groove.

4. The clamping mechanism of claim 3, wherein: the fool-proof structure is a bulge or a groove.

5. The clamping mechanism of claim 1, wherein: the pressing unit is a pressing device or an air cylinder.

6. The clamping mechanism of claim 1, wherein: the compressing unit comprises a fixed plate, a slidable setting at the ejector rod, a spring positioned between the ejector rod and the fixed plate, and a limiting part, wherein the spring is sleeved on the ejector rod, and the limiting part is used for abutting and locking the ejector rod when the ejector rod is in an abutting state.