CN215393967U

CN215393967U - Extraction type pressing and placing jig

Info

Publication number: CN215393967U
Application number: CN202121778292.3U
Authority: CN
Inventors: 赖淑军
Original assignee: Shandong Huagang Intelligent Technology Co ltd
Current assignee: Shandong Huagang Intelligent Technology Co ltd
Priority date: 2021-08-02
Filing date: 2021-08-02
Publication date: 2022-01-04
Anticipated expiration: 2031-08-02

Abstract

The utility model provides an extraction type pressing and releasing jig, which solves the technical problems of low automation degree, complex operation, low positioning precision and the like of the existing jig. It mainly comprises a bearing table, a jig base and a pressing block. Be equipped with the tool base on the plummer, be equipped with a plurality of bosss on the tool base, the top of every boss all is equipped with a briquetting. The middle part of the boss is also provided with a first through hole, the bearing table is coaxially provided with a second through hole, an air cylinder is arranged below the bearing table, and the movable end of the air cylinder is provided with a self-locking clamping mechanism. The self-locking clamping mechanism penetrates through the first through hole and the second through hole to be connected with the pressing block and drives the pressing block to move downwards. The utility model combines the design of the clamping mechanism, realizes the semi-automatic fixation of the workpiece, improves the processing efficiency, and can reduce the operation complexity of personnel by extraction operation, thereby being beneficial to improving the safety and efficiency of the operation; the split structure reduces the design and production cost of the jig for different workpieces, and can be widely applied to the technical field of machining.

Description

Extraction type pressing and placing jig

Technical Field

The present invention relates to a jig, and more particularly to a removable pressing jig.

Background

In the field of machining, in a process for a component such as a product housing, a pressing and positioning process is often required to perform a next process.

Common pressing and placing jigs are generally divided into two types: one is that the operation such as pressing and taking is manually finished, the mechanism is relatively complicated, and is a labor-saving link mechanism, even if the technology such as high-precision positioning, error-proof design and the like is combined, the condition of low efficiency can not be avoided, and especially under the working conditions of complicated positioning structure, high precision requirement and the like, the great deviation still can be generated manually, so that the yield is reduced; the other kind is semi-automatization tool, and the common electronic or pneumatic structure that promotes executive component puts the work piece, and the manual work only accomplishes the operation of taking, though the execution efficiency improves to some extent, great positioning error also can appear in this type of structure, and the manual work in-process of taking also can appear placing not in place, leads to the work piece to scrap, operates the nonstandard even, appears personnel's injured condition.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical defects and provides an extraction type pressing and releasing jig.

Therefore, the utility model provides an extraction type pressing and releasing jig which comprises a bearing table, a jig base and a pressing block; the bearing table is provided with at least one jig base;

the jig base is provided with a plurality of bosses, and workpieces are placed on the upper end surfaces of the bosses; one pressing block is arranged above each boss;

the middle part of the boss is provided with a first through hole, and the bearing table is coaxially provided with a second through hole; the cylinder is installed to the below of plummer, the mechanism is got to the expansion end of cylinder installation self-locking clamp, it gets the mechanism to pass to get from the self-locking clamp first, the second through-hole connects the briquetting, and drives the briquetting downstream.

Preferably, the pressing block comprises a handheld part, a press-mounting part and a connecting rod in sequence from top to bottom; the handheld part is of a block-shaped structure, and the lower end of the handheld part is fixedly connected with the press-fitting part; the press-mounting part is of a flat plate structure, and the lower surface of the press-mounting part is a profiling curved surface and is attached to the upper surface of the workpiece; the upper end of the connecting rod is fixedly connected with the press-fitting part, and the lower end of the connecting rod penetrates through the first through hole to be detachably connected with the self-locking clamping mechanism.

Preferably, the self-locking clamping mechanism comprises a connecting block and a spring pin; the connecting block is arranged in the second through hole, and the lower part of the connecting block is fixedly connected with the movable end of the air cylinder; the upper part and the two sides of the connecting block are respectively provided with a hole, the middle part of the connecting block is communicated to form a three-way structure, and the pore channels at the two sides are respectively provided with the spring pins; two slope slideways are arranged on the side wall of the second through hole, and the slope slideways and the tail end of the spring pin form a sliding structure; and a connecting rod of the pressing block is placed in a pore passage at the upper part of the connecting block.

Preferably, the working area of the upper end face of the boss is a copying curved surface and is attached to the lower surface of the workpiece.

Preferably, a groove is processed at the boundary of the working area.

Preferably, the corners of the upper end surface of the boss are processed into fillets or chamfer structures.

Preferably, a positioning structure is arranged between the boss and the pressing block.

Preferably, the bearing table is arranged between the two chucks; two the chuck subtend sets up, the both ends of plummer respectively direct or indirect with the chuck is connected.

The utility model provides a jig which has the following beneficial effects:

(1) through the cylinder, the self-locking clamping mechanism and the pressing block, semi-automatic fixing of the workpiece is realized, the machining efficiency is improved, and the taking mode of the execution unit (pressing block) is extraction type operation, so that the operation complexity of personnel is reduced, the operation safety is improved, and the machining efficiency is further improved.

(2) The jig adopts a split structure, and the working end is replaced to quickly adapt to the processing of workpieces of different models, and simultaneously, the design and production cost of the jig are reduced.

Furthermore, the main body structure is arranged between the two chucks, so that the adjustment of the jig is facilitated, and meanwhile, the bilateral supporting structure also avoids the reduction of precision caused by long-time unilateral cantilever.

Drawings

FIG. 1 is a perspective view of a jig according to the present invention;

FIG. 2 is a perspective view of a jig base according to the present invention;

FIG. 3 is a perspective view of the self-locking gripping mechanism of the present invention;

FIG. 4 is an exploded view of the self-locking clamping mechanism of the present invention;

FIG. 5 is a partial half-sectional view of a wedge jig of the present invention;

the labels in the figure are: 1. the fixture comprises a bearing table, 2, a fixture base, 3, a pressing block, 4, an air cylinder, 5, a self-locking clamping mechanism, 101, a second through hole, 102, a slope slideway, 201, a positioning pin, 202, a first through hole, 203, a profiling curved surface, 204, a groove, 205, an R angle, 206, a bottom plate, 301, a handheld part, 302, a press-mounting part, 303, a connecting rod, 501, a spring and 502 pins.

Detailed Description

The utility model is further described below in conjunction with the drawings and the specific embodiments to assist in understanding the contents of the utility model. The method used in the utility model is a conventional method if no special provisions are made; the raw materials and the apparatus used are, unless otherwise specified, conventional commercially available products.

As shown in fig. 1, an extraction type pressing and releasing jig mainly comprises a bearing table 1, a jig base 2 and a pressing block 3. Be equipped with a tool base 2 on plummer 1, through bolt fixed connection to set up location structure, specifically be dowel and locating hole between plummer 1 and tool base 2, formed detachable structure from this, conveniently changed or maintain tool base 2.

Tool base 2 is last to be equipped with 3 bosss side by side, and the up end of boss is placed in to the work piece in the clamping process, in this embodiment to processing the watchcase, can place 3 watchcases simultaneously on every tool base 2 and process. As shown in fig. 2, in order to achieve stable fixation and no damage to the surface of the workpiece, the working area of the upper end surface of the boss is designed to be a curved surface 203 so as to be attached to the lower surface of the workpiece. A groove 204 is processed at the boundary of the working area so as to avoid poor clamping caused by burrs of the product; meanwhile, the corners of the upper end face of the boss are processed into a fillet structure to form an R corner 205, and the radius of the fillet is properly increased, so that the same effect is achieved, and the yield can be improved.

Because the surface A of the watchcase is of a hollow structure, the middle part of the boss is provided with a first through hole 202, and the bearing platform 1 is coaxially provided with a second through hole 101; in this embodiment, the total number of the 3 second through holes 101 on the carrier 1 corresponds to the through holes of the three bosses, so as to form a through structure from top to bottom. And 3 air cylinders 4 are arranged below the bearing table 1, each air cylinder 4 corresponds to one second through hole 101 and is used as a power source. The movable end of the cylinder 4 is provided with a self-locking clamping mechanism 5.

Correspondingly, a pressing block 3 is arranged above each boss and used for pressing down and fixing the watchcase. Preferably, as shown in fig. 3 and 4, the pressing block 3 includes a handle 301, a press-fitting portion 302, and a connecting rod 303 in sequence from top to bottom, and is integrally formed. The hand-held portion 301 is a block structure, and is designed to be a pull cap structure by referring to ergonomic design, so as to be convenient for an operator to extract, and the lower end of the hand-held portion is fixedly connected with the press-fitting portion 302. The press-fitting portion 302 is a flat plate structure, which is designed to be a disk shape in consideration of the conformity with the product contour for easy observation, and the lower surface is also a curved surface, so that it is fitted to the upper surface of the workpiece. The upper end of the connecting rod 303 is fixedly connected with the press-fitting part 302, and the lower end thereof passes through the first through hole 202 and is detachably connected with the self-locking clamping mechanism 5. Preferably, a positioning structure is arranged between the boss and the pressing block 3, specifically, as shown in the figure, 3 positioning pins 201 are arranged on the boss according to the structure of the workpiece, and 3 positioning holes are correspondingly processed on the pressing part 302, so that on one hand, the watch case can be accurately positioned, and on the other hand, the pressing block 3 is also guided and positioned.

Preferably, as shown in fig. 3 and 4, the self-locking gripping mechanism 5 comprises a connecting block and a spring pin. Wherein the connecting block is of a square structure and is arranged in the second through hole 101, and a T-shaped groove is processed at the lower part and is connected with a T-shaped head at the movable end of the cylinder 4. The upper part and the two sides of the connecting block are respectively provided with a hole, the middle part of the connecting block is communicated to form a three-way structure, and pore channels at the two sides are respectively provided with a spring pin. Referring to fig. 4 and 5, the spring pin comprises a spring 501 and a pin 502, wherein the pin 502 can slide along the hole, and the end of the pin is processed into a spherical cap, and the whole body extends outwards under the action of the spring 501. The second through hole 101 is a square hole, is in clearance fit with the connecting block to form a sliding limiting structure, and is provided with two slope slideways 102 on the side wall, and the slope slideways 102 and the spherical crown at the tail end of the spring pin form a sliding structure. The connecting rod 303 of the pressing block 3 is arranged in the pore canal at the upper part of the connecting block. Further, the connecting rod 303 is processed into a stepped shaft, the end is also designed into a spherical crown shape, and the end of the pin 502 near the inner side is processed into a U-shaped structure so as to clamp the connecting rod 303.

Preferably, as shown in fig. 1, the carrier 1 is installed between two chucks, the two chucks are arranged in opposite directions, and two ends of the carrier 1 are indirectly connected with the chucks through a supporting structure respectively. Therefore, the double-side supporting structure can prevent the jig from deviating under the condition of unilateral overhanging, and the processing precision is improved. Meanwhile, the design of the adapter chuck of the bearing table 1 can realize the quick overturning or replacement and adjustment of the jig.

The working principle is as follows:

referring to fig. 5, before the workpiece is placed, the movable end of the cylinder 4 moves upwards, the connecting block moves upwards, the pin 502 slides towards two sides (along the slope slideway 102) under the action of the spring 501, so that the clamped connecting rod 303 is released, and an operator takes down the press blocks 3 one by one and places the watchcases on the bosses. After placing the completion, putting back briquetting 3 one by one again, the locating pin 201 length of design needs to be greater than the stroke of briquetting 3, otherwise briquetting 3 places and does not contact location structure after accomplishing, can't play guiding orientation's effect, and the condition that the pressure is inclined to one side can appear, damages locating pin 201, and then damages the watchcase. After the pressing block 3 is placed in place, the cylinder 4 is started to drive the connecting block to move downwards, then the pin 502 slides inwards under the action of the slope slideway 102, overcomes the acting force of the spring 501, clamps the connecting rod 303, drives the pressing block 3 to move downwards, and finally presses and places the pressing block on the surface of the watchcase to complete fixing work.

In the description of the present invention, it is to be understood that the terms "left", "right", "upper", "lower", "top", "bottom", "front", "rear", "inner", "outer", "back", "middle", and the like, indicate orientations and positional relationships based on those shown in the drawings, are only for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

However, the above description is only exemplary of the present invention, and the scope of the present invention should not be limited thereby, and the replacement of the equivalent components or the equivalent changes and modifications made according to the protection scope of the present invention should be covered by the claims of the present invention.

Claims

1. A removable pressing and releasing jig comprises a bearing table, a jig base and a pressing block; the bearing table is provided with at least one jig base;

the fixture is characterized in that a plurality of bosses are arranged on the fixture base, and workpieces are placed on the upper end surfaces of the bosses; one pressing block is arranged above each boss;

2. The removable pressing and releasing jig as claimed in claim 1, wherein the pressing block comprises a hand-held part, a press-fitting part and a connecting rod in sequence from top to bottom; the handheld part is of a block-shaped structure, and the lower end of the handheld part is fixedly connected with the press-fitting part; the press-mounting part is of a flat plate structure, and the lower surface of the press-mounting part is a profiling curved surface and is attached to the upper surface of the workpiece; the upper end of the connecting rod is fixedly connected with the press-fitting part, and the lower end of the connecting rod penetrates through the first through hole to be detachably connected with the self-locking clamping mechanism.

3. The removable pressing and releasing jig as claimed in claim 2, wherein the self-locking gripping mechanism comprises a connecting block and a spring pin; the connecting block is arranged in the second through hole, and the lower part of the connecting block is fixedly connected with the movable end of the air cylinder; the upper part and the two sides of the connecting block are respectively provided with a hole, the middle part of the connecting block is communicated to form a three-way structure, and the pore channels at the two sides are respectively provided with the spring pins; two slope slideways are arranged on the side wall of the second through hole, and the slope slideways and the tail end of the spring pin form a sliding structure; and a connecting rod of the pressing block is placed in a pore passage at the upper part of the connecting block.

4. The removable pressing and releasing jig as claimed in claim 2, wherein the working area of the upper end surface of the boss is a profile curved surface, and is attached to the lower surface of the workpiece.

5. The removable pressing and releasing jig as claimed in claim 4, wherein a groove is formed at the boundary of the working area.

6. The removable pressing and releasing jig as claimed in claim 4, wherein the corners of the upper end surface of the boss are rounded or chamfered.

7. The removable pressing and releasing jig as claimed in claim 1, wherein a positioning structure is provided between the boss and the pressing block.

8. The removable pressure-releasing jig as claimed in claim 1, wherein the carrier is mounted between two chucks; two the chuck subtend sets up, the both ends of plummer respectively direct or indirect with the chuck is connected.