CN218039177U

CN218039177U - Expansion positioning fixture and pressing device

Info

Publication number: CN218039177U
Application number: CN202222433831.0U
Authority: CN
Inventors: 程汤帅; 杨寅可; 易长飞
Original assignee: Luxcase Precision Technology Yancheng Co Ltd
Current assignee: Luxcase Precision Technology Yancheng Co Ltd
Priority date: 2022-09-14
Filing date: 2022-09-14
Publication date: 2022-12-13
Anticipated expiration: 2032-09-14

Abstract

The utility model provides an expansion positioning fixture and compression fittings, expansion positioning fixture include the support, are the intercommunication on the support and set up horizontal station and vertical station, install the expansion bend on the horizontal station, pack into locating component in the vertical station, the expansion bend drives the expansion piece and orders about locating component and carries out the diameter and expand outward and return the switching in turn that contracts with the diameter. The pressing device comprises a support with a material carrying plate and an expansion positioning fixture, wherein a material carrying table and a pressing mechanism are fixedly arranged on the outer side surface of the material carrying plate, and the pressing mechanism and the expansion positioning fixture are arranged oppositely. The utility model discloses change into inside by outside centre gripping and expand and prop to avoid outside centre gripping to cause the accessory damage, promote the fastness of location simultaneously, appear shifting or drop in avoiding the course of working. Adopt the oblique angle structure of the fork body, change thrust direction through the direction of sliding, form automatic opening and shutting, switch freely and prop material and loose material mode, easy operation, the effect is reliable, and the location is swift accurate, promotes the assembly yield.

Description

Expansion positioning fixture and pressing device

Technical Field

The utility model belongs to the technical field of machinery, a positioning jig of product assembly, especially an expansion positioning fixture and compression fittings is related to.

Background

When the product assembly station is used for assembling the shell and the USB interface fittings, the fittings are required to be attached to the middle of the USB hole, and the reliability of USB splicing can be ensured only by ensuring the complete coincidence of the through holes. The positioning mode that adopts at present is single locating pin location, and adopts the manual work to assemble, harms the accessory in the contact easily from this to difficult equipment is the off normal easily still, reduces work efficiency, influences finished product assembly precision.

To solve the above problems, for example, chinese patent document discloses an automatic positioning and assembling device for heat sink semiconductor module parts [ chinese patent No.: CN201420412882.8 ], the utility model belongs to the technical field of radiator semiconductor assembly part equipment, concretely relates to power type heat pipe radiator semiconductor assembly part automatic positioning assembly device. When the high-power heat pipe radiator semiconductor assembly is assembled at present, because the position of parts of the assembly is in a floating state, the position of each part is manually aligned by using a simple tool before press mounting. But the positions of all parts of the high-power heat pipe radiator semiconductor component cannot be accurately positioned, the alignment working efficiency during assembly is low, the qualification rate of finished products is high, and the consistency of the assembled components is poor. An object of the utility model is to provide a radiator semiconductor module part automatic positioning assembly device, wherein, automatic positioning assembly device uses HALF piece, slide wedge drive slider, constitutes three lamella location structure and frock slide and transports, guarantees high-power heat pipe radiator semiconductor module's each part position alignment and pinpoint, makes the subassembly get into pressure equipment station convenient and fast.

The technical content adopts an external opposite clamping mode to carry out fixing and assembling. However, for small sheet products, the clamping force cannot be grasped, which easily causes damage. Meanwhile, the defects of unstable clamping, poor positioning accuracy and the like exist. Resulting in poor assembly of finished products, low qualification rate and the like.

SUMMERY OF THE UTILITY MODEL

The utility model aims at having the above-mentioned problem to current technique, provide one kind and pass the drive through the oblique angle, realize that downthehole outside support is fixed, do benefit to the expansion positioning fixture and the compression fittings of the thin fixed equipment of small part.

The purpose of the utility model can be realized by the following technical proposal: the utility model provides an expansion positioning fixture, includes the support, be the intercommunication on the support and set up horizontal station and vertical station, install the expansion bend on the horizontal station, the locating component is packed into in the vertical station, the expansion bend drives the expansion piece and orders about locating component carries out the diameter and expands outward and the diameter switching in turn that contracts.

In the above expansion positioning fixture, the horizontal station is a horizontal groove provided on the top surface of the support, the vertical station is a vertical notch provided on the top surface of the support, the horizontal groove is communicated with the vertical notch through a guide slide way and a communication slide way, and the guide slide way reduces the inner diameter of the pipeline to the communication slide way to form a step surface.

In the above expansion positioning fixture, a buffer spring is placed in the guide slide way, a resisting part is convexly arranged at the lower part of the expansion piece, one end of the buffer spring abuts against the resisting part, and the other end of the buffer spring abuts against the step surface.

In the above expansion positioning fixture, a guide chute is formed in the top wall of the guide chute, a guide column is fixedly inserted into the top of the expansion piece, and the guide column extends into the guide chute from bottom to top to form sliding connection.

In foretell expansion positioning fixture, the extension piece includes the plate block body, spacing platform is established to the rear end protrusion of plate block body, the front end an organic whole of plate block body sets firmly the V type forked body, the V type forked body forms outer expanding slope contained angle, spacing platform is located the outside of direction slide forms spacing support and leans on, the plate body penetrates the direction slide forms sliding connection, the V type forked body run through the intercommunication slide with locating component links to each other.

In the expansion positioning fixture, the positioning assembly comprises a group of symmetrically arranged positioning inserts, the group of positioning inserts penetrate through the vertical notch from bottom to top, and the group of positioning inserts are in open-close sliding connection along the length direction of the vertical notch; the opposite side surfaces of the two positioning inserts are splicing surfaces, inclined through grooves are formed in the bottoms of the positioning inserts, and the V-shaped fork bodies correspondingly extend into the inclined through grooves of the positioning inserts one by one to form sliding connection.

In the expansion positioning fixture, the upper parts of a group of positioning inserts form a flat cone, and the outer wall of the flat cone is gradually and obliquely arranged from the top end downwards.

In the expansion positioning fixture, a first positioning pin and a second positioning pin are respectively arranged on the bases positioned at the outer sides of the two ends of the vertical notch in a protruding mode, and the first positioning pin and the second positioning pin are different in outline shape.

A pressing device comprises a support with a material carrying plate and an expansion positioning fixture, wherein a material carrying table and a pressing mechanism are fixedly arranged on the outer side surface of the material carrying plate, a pressing window is formed in the material carrying plate between the pressing mechanism and the material carrying table, the expansion positioning fixture is arranged on the opening edge of the pressing window, and the pressing mechanism and the expansion positioning fixture are arranged oppositely.

In the above pressing device, the pressing mechanism includes a pressing cylinder, a pressing block is fixedly connected to the downward telescopic shaft of the pressing cylinder, and the pressing block and the positioning assembly are arranged in alignment.

In the pressing device, a plurality of limiting blocks and at least two elastic supporting components are arranged on the periphery of the material carrying platform, the limiting blocks are located on the side of the material carrying platform, and the elastic supporting components are located on the bottom side of the material carrying platform.

In foretell closing device, the elastic support subassembly includes the fixed block, two at least guiding axles of cross-under on the fixed block, it cup joints the supporting shoe to be the slip on the guiding axle, the supporting spring is cup jointed to the guiding axle periphery, supporting spring presss from both sides and locates between fixed block and the supporting shoe.

Compared with the prior art, this expansion positioning fixture and compression fittings have following beneficial effect:

1. especially to the fixed action of smallclothes thin slice accessory, change into inside expanding by outside centre gripping and prop to avoid outside centre gripping to cause the accessory damage, promote the fastness of location simultaneously, avoid appearing shifting or droing in the course of working.

2. Adopt the oblique angle structure of the fork body, change thrust direction through the direction of sliding, form automatic opening and shutting, switch freely and prop material and loose material mode, easy operation, the effect is reliable, and the location is swift accurate, promotes the assembly yield.

Drawings

Fig. 1 is a perspective view of the expanding positioning jig.

FIG. 2 is a first internal view of the expanding and positioning jig.

Fig. 3 is a second internal structure view of the present expanding and positioning jig.

Fig. 4 is a front perspective view of the pressing device.

Fig. 5 is a reverse side three-dimensional structure diagram of the stitching device.

Fig. 6 is a front perspective view of the pressing device in use.

Fig. 7 is a reverse side three-dimensional structure view of the pressing device in a use state.

In the figure, 1, a support; 2. a retractor; 3. an expansion member; 3a, a limiting table; 3b, a plate body; 3c, a V-shaped fork body; 4. a guide post; 5. a buffer spring; 6. positioning an insert; 7. a first positioning pin; 8. a second positioning pin; 9. a USB interface fitting; 10. a support; 11. a material carrying plate; 12. a material loading platform; 13. a limiting block; 14. a fixed block; 15. a guide shaft; 16. a support block; 17. a support spring; 18. a pressure holding cylinder; 19. briquetting; 20. and (5) producing the product.

Detailed Description

The following are specific embodiments of the present invention and the accompanying drawings are used to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.

Example one

As shown in fig. 1 to 3, the expansion positioning fixture comprises a support 1, wherein the support 1 is communicated with a horizontal station and a vertical station, a telescopic device 2 is arranged on the horizontal station, a positioning assembly is arranged in the vertical station, and the telescopic device 2 drives an expansion piece 3 to drive the positioning assembly to alternately switch between diameter expansion and diameter retraction. The side that support 1 is located vertical station sets up the absorption hole. The expansion device 2 specifically adopts an expansion cylinder.

The horizontal station is a horizontal groove arranged on the top surface of the support 1, the vertical station is a vertical notch arranged on the top surface of the support 1, the horizontal groove and the vertical notch are sequentially connected through a guide slide way and a communication slide way, and the inner diameter of the pipeline is reduced from the guide slide way to the communication slide way to form a step surface. The guide slide way and the communication slide way are integrally formed, so that the horizontal groove and the vertical notch form a communication path on one hand, and the structure, the shape and the size are designed according to the assembly requirements of all parts on the other hand.

A buffer spring 5 is placed in the guide slide way, a resisting part is convexly arranged at the lower part of the expansion piece 3, one end of the buffer spring 5 is propped against the resisting part, and the other end of the buffer spring is propped against the step surface. The buffer spring 5 is interposed between the expansion member 3 and the positioning member, and an elastic force against the expansion member 3 is provided by the buffer spring 5. Once, the expansion piece 3 has a buffering process in the forward pushing process, so as to avoid damage caused by over-fast pushing speed or hard collision, and protect the clamp body and the product 20. And secondly, the elastic supporting force is exerted in the process of retreating the expansion piece 3, so that the retreating stability of the expansion piece 3 is ensured.

The top wall of the guide slideway is provided with a guide chute, the top of the expansion piece 3 is fixedly inserted with a guide post 4, and the guide post 4 extends into the guide chute from bottom to top to form sliding connection. The direction spout sets up along the flexible direction straight line of expansion bend 2, and the direction spout is the bar groove, through the guide post 4 with the smooth setting of leading of direction spout, ensures the straight line orbit of the reciprocal translation of extension piece 3 to avoid taking place the direction skew.

The expansion piece 3 comprises a plate body 3b, a limiting table 3a is convexly arranged at the rear end of the plate body 3b, a V-shaped fork body 3c is integrally and fixedly arranged at the front end of the plate body 3b, the V-shaped fork body 3c forms an outward expansion inclined included angle, the limiting table 3a is located outside the guide slide way to form limiting abutting, the plate body 3b penetrates into the guide slide way to form sliding connection, and the V-shaped fork body 3c penetrates through the communication slide way to be connected with the positioning assembly.

The maximum distance for the expansion piece 3 to be pushed forward is limited by the limiting table 3a, and the positioning assembly and the product 20 are prevented from being damaged by over-pushing. The abutment is provided by the plate body 3b and the assembly of the guide post 4 is achieved by the plate body 3 b. The V-shaped fork body 3c drives the positioning assembly to perform outward expansion.

The positioning assembly comprises a group of positioning inserts 6 which are symmetrically arranged, the group of positioning inserts 6 penetrate through the vertical notch from bottom to top, and the group of positioning inserts 6 form open-close sliding connection along the length direction of the vertical notch; the opposite side surfaces of the two positioning inserts 6 are splicing surfaces, inclined through grooves are formed in the bottoms of the positioning inserts 6, and the V-shaped fork bodies 3c correspondingly extend into the inclined through grooves of the positioning inserts 6 one by one to form sliding connection.

By utilizing the inclination angle of the outward expansion form, two driving structures for expanding and combining the positioning insert 6 are formed. When the V-shaped fork body 3c gradually penetrates into the inclined through groove, the width of the included angle is gradually reduced, and therefore the two positioning inserts 6 are driven to be synchronously closed and combined. When the V-shaped fork body 3c is gradually pulled out of the inclined through groove, the width of the included angle is gradually increased, and therefore the two positioning inserts 6 are driven to be synchronously separated from each other in an opposite mode.

The upper parts of the group of positioning inserts 6 form flat cones, and the outer walls of the flat cones are gradually and obliquely arranged from the top end downwards. The flat cone is beneficial to the positioning insert 6 to rapidly extend into the slotted hole of the product 20, and the guide effect is achieved through the outer inclined wall surface.

And a first positioning pin 7 and a second positioning pin 8 are respectively arranged on the bases positioned at the outer sides of the two ends of the vertical notch in a protruding mode, and the outline shapes of the first positioning pin 7 and the second positioning pin 8 are different. The first positioning pin 7 corresponds to the first positioning hole of the cross-connecting product 20, the second positioning pin 8 corresponds to the second positioning hole of the cross-connecting product 20, and the different shapes of the first positioning pin 7 and the second positioning pin 8 are utilized to prevent the USB interface accessory 9 from being placed reversely, so that the foolproof effect is achieved.

Compared with the prior art, the expansion positioning fixture has the following beneficial effects:

Example two

Based on the first embodiment, the difference of the present embodiment is:

as shown in fig. 4 to 7, a pressing device includes a support 10 having a material carrying plate 11, and further includes the above-mentioned expanding positioning fixture, a material carrying table 12 and a pressing mechanism are fixedly disposed on an outer side surface of the material carrying plate 11, a pressing window is disposed on the material carrying plate 11 between the pressing mechanism and the material carrying table 12, the expanding positioning fixture is disposed on an edge of the pressing window, and the pressing mechanism and the expanding positioning fixture are disposed opposite to each other.

The material carrying plate 11 is obliquely fixed on the support 10, so that the table top of the material carrying table 12 supports the product 20 at an oblique angle, and the instability of vertical fixation of the product 20 is avoided by utilizing the upward bearing reaction force formed in the direction of the dead weight of the product 20.

The pressing mechanism comprises a pressing cylinder 18, a pressing block 19 is fixedly connected to the downward telescopic shaft of the pressing cylinder 18, and the pressing block 19 is aligned with the positioning assembly. The pressing cylinder 18 extends out of the telescopic shaft downwards to drive the pressing block 19 to press and hold the edge of the product 20 for pressing operation.

The periphery of the material loading platform 12 is provided with a plurality of limiting blocks 13 and at least two elastic supporting components, the limiting blocks 13 are positioned at the side of the material loading platform 12, and the elastic supporting components are positioned at the bottom side of the material loading platform 12. The limit blocks 13 are used for abutting and fixing the side edges of the products 20, and the elastic supporting components are used for elastically supporting the bottom edges of the products 20.

The elastic support assembly comprises a limiting block 14, at least two guide shafts 15 penetrate through the limiting block 14, a supporting block 16 is sleeved on each guide shaft 15 in a sliding mode, a supporting spring 17 is sleeved on the periphery of each guide shaft 15, and the supporting spring 17 is clamped between the limiting block 14 and the supporting block 16. The supporting block 16 is elastically supported by the supporting spring 17 to move up and down along the guide shaft 15, so that the clamping and positioning of products 20 with different lengths can be adapted within a certain range, and an operation space for loading and unloading is provided by utilizing the elastic displacement.

The pressing device has the following steps:

1. the expansion piece 3 is driven by the expansion device 2 to advance, so that the group of positioning inserts 6 are combined and retracted.

2. The USB interface fittings 9 are sleeved on the positioning insert 6, and the positioning pins I7 and the positioning pins II 8 are sleeved in a one-to-one correspondence mode.

3. The expansion piece 3 is driven to retreat by the expansion piece 2, the expansion piece 3 is driven to pull back by the buffer spring 5, a group of positioning inserts 6 are separated and expanded outwards to support the slotted holes of the USB interface fittings 9, and the USB interface fittings 9 are sucked by the suction holes on the support 1 to be fixed.

4. The product 20 is prepared.

5. Install product 20 on carrying material platform 12 to make the fixed product 20 of elastic support component bearing lower limb border, stopper 13 fixed product 20 side border makes the mounting hole on the product 20 protrusion installation department identical with the slotted hole of USB interface accessory 9, and a set of location income 6 stretches into the mounting hole of product 20 simultaneously.

6. The pressing cylinder 18 pushes the pressing block 19 downwards, and the product 20 is pressed by the pressing block 19 to be assembled with the USB interface fitting 9.

7. The pressing cylinder 18 drives the pressing block 19 to pull back, and the product 20 is taken out to complete the assembly.

Compared with the prior art, this compression fittings has following beneficial effect:

The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.

Although the holder 1 is used more herein; a retractor 2; an expansion element 3; a limit table 3a; a plate block body 3b; a V-shaped fork body 3c; a guide post 4; a buffer spring 5; a positioning insert 6; a first positioning pin 7; a second positioning pin 8; a USB interface fitting 9; a support 10; a material carrying plate 11; a loading table 12; a stopper 13; a stopper 14; a guide shaft 15; a support block 16; a support spring 17; a pressure-holding cylinder 18; a briquette 19; product 20, etc., but does not exclude the possibility of using other terms. These terms are used merely to more conveniently describe and explain the nature of the present invention; they are to be construed in a manner that is inconsistent with the spirit of the invention.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, 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; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Claims

1. The utility model provides an expansion positioning fixture, includes the support, its characterized in that, be the intercommunication on the support and set up horizontal station and vertical station, install the expansion bend on the horizontal station, the locating component is packed into in the vertical station, the expansion bend drives the expansion piece and orders about locating component carries out the diameter and expands outward and the diameter switching in turn that contracts.

2. The expanding and positioning fixture of claim 1, wherein the horizontal station is a horizontal groove formed in the top surface of the support, the vertical station is a vertical notch formed in the top surface of the support, the horizontal groove and the vertical notch are sequentially connected through a guide slideway and a communication slideway, and the guide slideway reduces the inner diameter of the pipeline to the communication slideway to form a step surface.

3. The expanding and positioning fixture of claim 2, wherein a buffer spring is placed in the guide slideway, a resisting part is convexly arranged at the lower part of the expanding piece, one end of the buffer spring is propped against the resisting part, and the other end of the buffer spring is propped against the step surface.

4. The expansion positioning fixture according to claim 2, wherein a guide chute is formed in the top wall of the guide chute, a guide post is fixedly inserted into the top of the expansion member, and the guide post extends into the guide chute from bottom to top to form a sliding connection.

5. The expanding and positioning fixture of claim 2, wherein the expanding member comprises a plate block body, a limiting table is protruded from the rear end of the plate block body, a V-shaped fork body is integrally and fixedly arranged at the front end of the plate block body, the V-shaped fork body forms an outward expanding inclined included angle, the limiting table is positioned outside the guide slideway to form a limiting abutting joint, the plate body penetrates into the guide slideway to form a sliding joint, and the V-shaped fork body penetrates through the communication slideway to be connected with the positioning assembly.

6. An expansion positioning fixture as claimed in claim 5, wherein said positioning assembly comprises a set of symmetrically arranged positioning inserts, one set of said positioning inserts penetrates through said vertical slot from bottom to top, and said set of said positioning inserts are in open-close sliding connection along the length direction of said vertical slot; the opposite side surfaces of the two positioning inserts are splicing surfaces, inclined through grooves are formed in the bottoms of the positioning inserts, and the V-shaped fork bodies correspondingly extend into the inclined through grooves of the positioning inserts one by one to form sliding connection.

7. An expansion positioning fixture according to claim 6, wherein the upper part of a group of positioning inserts forms a flat cone, and the outer wall of the flat cone is gradually inclined outwards from the top end downwards.

8. An expansion positioning fixture as claimed in claim 2, wherein a first positioning pin and a second positioning pin are respectively protruded from the bases at the outer sides of the two ends of the vertical notch, and the first positioning pin and the second positioning pin have different contour shapes.

9. A pressing device comprises a bracket with a material carrying plate and is characterized by further comprising an expansion positioning fixture as claimed in any one of claims 1 to 8, wherein a material carrying table and a pressing mechanism are fixedly arranged on the outer side surface of the material carrying plate, a pressing window is formed in the material carrying plate between the pressing mechanism and the material carrying table, the expansion positioning fixture is arranged on the opening edge of the pressing window, and the pressing mechanism and the expansion positioning fixture are arranged oppositely.

10. The laminating device according to claim 9, wherein the laminating mechanism includes a pressing cylinder, a pressing block is fixedly connected to the downwardly extending shaft of the pressing cylinder, and the pressing block is aligned with the positioning assembly.

11. The laminating device according to claim 9, wherein a plurality of limiting blocks and at least two elastic supporting members are disposed on the periphery of the material loading platform, the limiting blocks are disposed at the side of the material loading platform, and the elastic supporting members are disposed at the bottom side of the material loading platform.

12. The laminating apparatus according to claim 11, wherein the elastic support assembly includes a fixed block, at least two guide shafts are connected to the fixed block in a penetrating manner, a support block is slidably sleeved on the guide shafts, a support spring is sleeved on the outer periphery of the guide shafts, and the support spring is sandwiched between the fixed block and the support block.