CN214643027U

CN214643027U - Positioning jig

Info

Publication number: CN214643027U
Application number: CN202120567916.0U
Authority: CN
Inventors: 吴顶峰; 易进; 秦陆仓; 周润生
Original assignee: Luxshare Electronic Technology Kunshan Ltd
Current assignee: Luxshare Electronic Technology Kunshan Ltd
Priority date: 2021-03-19
Filing date: 2021-03-19
Publication date: 2021-11-09
Anticipated expiration: 2031-03-19

Abstract

The utility model discloses a positioning jig belongs to tool technical field. The positioning jig comprises a base assembly, a limiting block, a sliding assembly, a first clamping block and a second clamping block, wherein the limiting block is arranged on the base assembly, a limiting groove is formed in the limiting block, two adjacent groove walls of the limiting groove are a first groove wall and a second groove wall respectively, the first groove wall can be attached to one side face of a part to be positioned, and the second groove wall can be attached to the other side face of the part to be positioned; the sliding component is connected with the base component in a sliding way; the first clamping block is arranged on the sliding assembly and can be matched with the first groove wall to clamp two opposite side surfaces of the part to be positioned; the second clamping block is arranged on the sliding assembly and can be matched with the second groove wall to clamp two opposite side faces of the part to be positioned. The utility model discloses a positioning jig presss from both sides four sides of tight first part and second part simultaneously, has guaranteed the location accuracy and the tight stability of clamp of first part and second part.

Description

Positioning jig

Technical Field

The utility model relates to a tool technical field especially relates to a positioning jig.

Background

Due to the requirement of positioning the workpiece, the positioning jig is widely applied to automatic or semi-automatic production. During the production process of the magnetic wireless charging box of the TWS earphone, the magnetic wireless charging box comprises a boron alloy block and a steel sheet, the boron alloy block and the steel sheet are usually fixed in a jig during production so as to be convenient for the laminating and welding of the boron alloy block and the steel sheet and the subsequent operation processes of the magnetic charging of the boron alloy block and the like, but because the boron alloy block and the steel sheet are both special-shaped parts, the existing workpiece positioning jig is mostly used for fixing workpieces in regular shapes, and the problem that the existing jig is unstable in fixation is caused.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a positioning jig improves positioning jig and treats positioning accuracy and the tight stability of clamp of positioning part.

To achieve the purpose, the utility model adopts the following technical proposal:

the utility model provides a positioning jig, to-be-positioned part include first part and the second part that the coincide is in the same place, and positioning jig includes:

a base assembly;

the limiting block is arranged on the base assembly, a limiting groove is formed in the limiting block, two adjacent groove walls of the limiting groove are a first groove wall and a second groove wall respectively, the first groove wall can be attached to one side face of the part to be positioned, and the second groove wall can be attached to the other side face of the part to be positioned;

the sliding component is connected with the base component in a sliding mode;

the first clamping block is arranged on the sliding assembly and can be matched with the first groove wall to clamp two opposite side surfaces of the part to be positioned;

and the second clamping block is arranged on the sliding assembly and can be matched with the second groove wall to clamp two opposite side surfaces of the part to be positioned.

Optionally, the sliding assembly comprises:

the first sliding block is arranged on the base component in a sliding mode along a first direction, and the first clamping block is arranged on the first sliding block;

the second sliding block is arranged on the base component in a sliding mode along a second direction perpendicular to the first direction, the second clamping block is arranged on the second sliding block, and one of the first sliding block and the second sliding block can drive the other sliding block to slide.

Optionally, one of the first slider and the second slider is provided with a first guide groove, the other is provided with a first guide shaft, the extending direction of the first guide groove and the first direction and the second direction are arranged at an included angle, and the first guide shaft can slide along the first guide groove.

Optionally, the positioning fixture further comprises a third slider, the third slider is arranged on the base component in a sliding manner along the second direction, one of the third slider and the first slider is provided with a second guide groove, the other one of the third slider and the first slider is provided with a second guide shaft, the extending direction of the second guide groove and the first direction and the second direction are arranged at included angles, the second guide shaft slides along the second guide groove, and the third slider drives the first slider to slide along the first direction when sliding along the second direction.

Optionally, the base assembly includes a first bottom plate, the first bottom plate is provided with a first groove and a second groove, the first groove extends along the first direction, the second groove extends along the second direction, the first slider is slidably disposed in the first groove, and the second slider is slidably disposed in the second groove.

Optionally, the base assembly further comprises a second bottom plate arranged on the first bottom plate, the limiting block is connected to the second bottom plate, a third groove and a fourth groove are formed in the second bottom plate, the first clamping block penetrates through the third groove and can slide along the third groove, and the second clamping block penetrates through the fourth groove and can slide along the fourth groove.

Optionally, an adsorption piece is arranged at the bottom of the limiting groove and adsorbed at the bottom side of the first part.

Optionally, the first clamping block is provided with a first abutting member and a second abutting member, the first abutting member is used for abutting against one side face of the first part, and the second abutting member is used for abutting against one side face of the second part;

and a third tightening piece and a fourth tightening piece are arranged on the second clamping block, the third tightening piece is used for abutting against the other side face of the first part, and the fourth tightening piece is used for abutting against the other side face of the second part.

Optionally, a driving member is connected to an input end of the sliding assembly, and the driving member is used for driving the sliding assembly to slide.

Optionally, an elastic member is disposed between the output end of the driving member and the input end of the sliding assembly.

The utility model has the advantages that:

the utility model provides a pair of positioning jig, during the equipment, at first install first part and the laminating of second part in the spacing groove of stopper, later drive slip subassembly, make first clamp tight piece and the tight piece of second clamp press from both sides tight first part and second part simultaneously on two directions of first direction and second direction respectively, specifically, first two relative sides that press from both sides tight first part and second part with the cell wall cooperation of spacing groove, the second presss from both sides tight piece and presss from both sides tight first part and second part with another cell wall cooperation of spacing groove two other relative sides.

Through setting up spacing groove, slip subassembly, first clamp tight piece and the tight piece of second clamp, make four sides of first part and second part press from both sides tightly simultaneously, prevented that first part and second part from leading to skew and perk because of local atress is uneven, guaranteed the location accuracy and the tight stability of clamp of first part and second part to the production yields of product has been improved.

Drawings

FIG. 1 is a schematic view of the construction of a first part and a second part provided in the prior art;

fig. 2 is a schematic structural diagram of a positioning fixture according to an embodiment of the present invention;

fig. 3 is an exploded view of a positioning jig according to an embodiment of the present invention;

fig. 4 is a schematic structural diagram of a sliding assembly according to an embodiment of the present invention;

fig. 5 is a schematic structural diagram of a limiting block according to an embodiment of the present invention.

In the figure:

101. a first part; 102. a second part;

1. a base assembly; 11. a first base plate; 111. a first groove; 112. a second groove; 12. a second base plate; 121. a third groove; 122. a fourth groove;

2. a limiting block; 21. a limiting groove;

3. a sliding assembly; 31. a first slider; 311. a first guide groove; 312. a second guide groove; 32. a second slider; 321. a first guide shaft; 33. a third slider; 331. a second guide shaft;

4. a first clamping block; 41. a first top tightening member; 42. a second top member;

5. a second clamping block; 51. a third top member; 52. a fourth urging member;

6. a drive member;

7. an elastic member.

Detailed Description

In order to make the technical problem solved by the present invention, the technical solutions adopted by the present invention and the technical effects achieved by the present invention clearer, the following will be described in further detail with reference to the accompanying drawings, and obviously, the described embodiments are only some embodiments of the present invention, but not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by the skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, detachably connected, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. 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.

The embodiment provides a positioning jig, which is used for positioning a plurality of overlapped parts, as shown in fig. 1, optionally, the part to be positioned includes a first part 101 and a second part 102 which are overlapped together, the part to be positioned in other embodiments may include a third part, a fourth part or more parts, without limitation, in this embodiment, the positioning jig is used for clamping and positioning a boron alloy block and a steel sheet which are overlapped, wherein the boron alloy block is the first part 101, the steel sheet is the second part 102, and after the first part 101 and the second part 102 are clamped and positioned by the positioning jig, the generality of the attaching mode can be increased by performing curing modes such as welding or dispensing.

In this embodiment, as shown in fig. 2 to 4, the positioning fixture includes a base assembly 1, a limiting block 2, a sliding assembly 3, a first clamping block 4 and a second clamping block 5, specifically, the limiting block 2 is disposed on the base assembly 1, the limiting block 2 is provided with a limiting groove 21, two adjacent groove walls of the limiting groove 21 are a first groove wall and a second groove wall respectively, the first groove wall can be attached to one side surface of the part to be positioned, and the second groove wall can be attached to the other side surface of the part to be positioned; the sliding component 3 is connected with the base component 1 in a sliding way; the first clamping block 4 is arranged on the sliding assembly 3, and the first clamping block 4 can be matched with the first groove wall to clamp two opposite side surfaces of the part to be positioned; the second clamping block 5 is arranged on the sliding assembly 3, and the second clamping block 5 can be matched with the second groove wall to clamp two opposite side faces of the part to be positioned.

During assembly, the first part 101 and the second part 102 are firstly attached and mounted in the limiting groove 21 of the limiting block 2, then the sliding assembly 3 is driven, so that the first clamping block 4 and the second clamping block 5 clamp the first part 101 and the second part 102 simultaneously in the first direction and the second direction respectively, specifically, the first clamping block 4 is matched with one groove wall of the limiting groove 21 to clamp two opposite side surfaces of the first part 101 and the second part 102, and the second clamping block 5 is matched with the other groove wall of the limiting groove 21 to clamp the other two opposite side surfaces of the first part 101 and the second part 102.

Through setting up spacing groove 21, sliding component 3, first clamp 4 and the second clamp 5 tight piece, make four sides of first part 101 and second part 102 press from both sides tightly simultaneously, prevented that first part 101 and second part 102 from leading to skew and perk because of local atress inequality, guaranteed the location accuracy and the tight stability of clamp of first part 101 and second part 102 to the production yields of product has been improved.

Specifically, the shape of the limiting groove 21 and the shapes of the first clamping block 4 and the second clamping block 5 are set according to the shape of the part to be positioned, so that the first clamping block 4, the second clamping block 5 and the limiting groove 21 are respectively attached to the periphery of the part to be positioned, and the positioning accuracy of the part to be positioned is improved; in the pushing process, the part to be positioned is uniformly stressed, so that the part to be positioned can be accurately limited in the limiting groove 21, and the purpose of controlling the gap of the part to be positioned is achieved. Optionally, the first clamping block 4 is provided with a first top member 41 and a second top member 42, the first top member 41 is used for abutting against one side of the first part 101, and the second top member 42 is used for abutting against one side of the second part 102; the second clamping block 5 is provided with a third top clamping piece 51 and a fourth top clamping piece 52, the third top clamping piece 51 is used for abutting against the other side face of the first part 101, and the fourth top clamping piece 52 is used for abutting against the other side face of the second part 102; in this embodiment, the first, second, third and fourth urging

members

41, 42, 51 and 52 are spring ejector pins having elasticity to prevent damage to the parts to be positioned, and the lengths of the first, second, third and fourth urging

members

41, 42, 51 and 52 are set according to the shapes of the first and

second parts

101 and 102, which is simple and convenient.

Optionally, an adsorption piece is arranged at the bottom of the limiting groove 21 and adsorbed at the bottom side of the part to be positioned, so that the part to be positioned is prevented from tilting, and the positioning and clamping precision is improved; in the embodiment, the part to be positioned is a steel sheet, the adsorption piece is a magnet, a plurality of mounting holes are formed in the bottom of the limiting groove 21, the magnet is arranged in the mounting holes, and the magnet adsorbs the part to be positioned through magnetism, so that the part to be positioned is positioned, the part to be positioned is conveniently taken and placed, the operation is simple, and the device is suitable for large-scale production; in other embodiments, when the part of awaiting positioning is non-metallic's part, the adsorption piece is evacuating device, and a plurality of vacuum adsorption holes can be seted up to the tank bottom, and evacuating device communicates in the vacuum adsorption hole, through the bottom side of the part of awaiting positioning of vacuum adsorption, prevents the part perk of awaiting positioning, and vacuum adsorption has increased positioning jig's commonality.

Optionally, the sliding assembly 3 includes a first slider 31 and a second slider 32, wherein the first slider 31 is slidably disposed on the base assembly 1 along a first direction, and the first clamping block 4 is disposed on the first slider 31; the second sliding block 32 is arranged on the base component 1 in a sliding mode along a second direction perpendicular to the first direction, the second clamping block 5 is arranged on the second sliding block 32, and the first sliding block 31 and the second sliding block 32 slide along two directions respectively, so that the first clamping block 4 and the second clamping block 5 are driven to clamp parts to be positioned from two directions respectively. Further optionally, one of the first slider 31 and the second slider 32 can drive the other to slide, and the first slider 31 and the second slider 32 can slide simultaneously through one driving part 6, so that the use number of the driving part 6 can be reduced, the cost is reduced, and the first slider 31 and the second slider 32 can slide simultaneously, so that four surfaces of a part to be positioned are clamped simultaneously, the stress uniformity of the part to be positioned is improved, the part to be positioned is accurately limited in the limiting groove 21, and the purposes of controlling the gap between the two parts and preventing tilting are achieved. In this embodiment, the driving member 6 drives the first slider 31 to slide, and the first slider 31 drives the second slider 32 to slide. In this embodiment, the first direction is an x direction, the second direction is a y direction, and the third direction is a z direction.

Optionally, one of the first slider 31 and the second slider 32 is provided with a first guide groove 311, the other is provided with a first guide shaft 321, and the first guide shaft 321 can slide along the first guide groove 311. Optionally, the extending direction of the first guide groove 311 and the first direction and the second direction are both arranged at an included angle, when the first guide groove 311 is driven, the first slider 31 and the second slider 32 are respectively subjected to component forces along the first direction and the second direction, so that the first slider 31 and the second slider 32 are driven to slide, the sliding steps of the first slider 31 and the second slider 32 in the two directions are consistent, and the deviation and tilting caused by the local stress of a part to be positioned are avoided.

Optionally, the positioning fixture further includes a third slider 33, the third slider 33 is slidably disposed on the base assembly 1 along the second direction, one of the third slider 33 and the first slider 31 is provided with a second guide groove 312, the other one of the third slider 33 and the first slider 31 is provided with a second guide shaft 331, an extending direction of the second guide groove 312 and the first direction and the second direction are both arranged at an included angle, the second guide shaft 331 slides along the second guide groove 312, when the third slider 33 slides along the second direction, the first slider 31 is driven to slide along the first direction, and the external driving force drives the first slider 31 to slide through the third slider 33; the third slider 33 is disposed along the second direction, the second guide groove 312 is disposed at an angle to both the first direction and the second direction, and when the third slider 33 slides along the second direction, the second guide groove 312 separates the driving force along the first direction, so that the first slider 31 slides along the first direction.

When including a plurality of first sliders 31 and a plurality of second sliders 32 on the positioning jig, the quantity of disposable assembly products can be improved, thereby improving the work efficiency, specifically, each first slider 31 parallel arrangement, each second slider 32 parallel arrangement, every first slider 31 all links to each other with each second slider 32, third slider 33 all passes through second guide way 312 and second guiding axle 331 with each first slider 31 and is connected, make a plurality of first sliders 31 and a plurality of second sliders 32 slide simultaneously, and the efficiency is improved.

Optionally, rollers are disposed on the first guide shaft 321 and the second guide shaft 331, the first guide shaft 321 is in rolling connection with the first guide groove 311 through the rollers, and the second guide shaft 331 is in rolling connection with the second guide groove 312 through the rollers, so that friction resistance is reduced, and sliding efficiency is improved.

Optionally, the base assembly 1 includes a first bottom plate 11, the first bottom plate 11 is provided with a first groove 111 and a second groove 112, the first groove 111 extends along a first direction, the second groove 112 extends along a second direction, the first slider 31 is slidably disposed in the first groove 111, the second slider 32 is slidably disposed in the second groove 112, and the first bottom plate 11 plays a role in supporting and guiding the first slider 31 and the second slider 32, so that the structure operates stably.

Optionally, the base assembly 1 further includes a second bottom plate 12 disposed on the first bottom plate 11, the limiting block 2 is connected to the second bottom plate 12, the second bottom plate 12 is provided with a third groove 121 and a fourth groove 122, the first clamping block 4 is disposed in the third groove 121 in a penetrating manner and can slide along the third groove 121, the second clamping block 5 is disposed in the fourth groove 122 in a penetrating manner and can slide along the fourth groove 122, the third groove 121 and the fourth groove 122 on the second bottom plate 12 guide the first clamping block 4 and the second clamping block 5, so that the sliding precision is improved, and the positioning and clamping precision is improved; the third groove 121 and the fourth groove 122 are arranged to realize guiding, other guiding structures do not need to be additionally installed, the overall structure of the positioning jig is simplified, and the cost is reduced.

Optionally, the input end of the sliding assembly 3 is connected with a driving part 6, the driving part 6 is used for driving the sliding assembly 3 to slide, in this embodiment, the driving part 6 is a handle, the sliding assembly 3 slides when the handle is pulled by a hand, and in other embodiments, the driving part 6 can be a motor or a cylinder and other mechanisms to realize automatic driving, and the operation is simple and convenient.

Optionally, an elastic member 7 is disposed between the output end of the driving member 6 and the input end of the sliding assembly 3, so as to prevent the sliding assembly 3 from being damaged by a large impact force occurring between the driving member 6 and the sliding assembly 3, and specifically, the elastic member 7 may be a spring.

It is obvious that the above embodiments of the present invention are only examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.

Claims

1. A positioning jig, part to be positioned includes first part (101) and second part (102) that the coincide is in the same place, its characterized in that, positioning jig includes:

a base assembly (1);

the limiting block (2) is arranged on the base component (1), a limiting groove (21) is formed in the limiting block (2), two adjacent groove walls of the limiting groove (21) are a first groove wall and a second groove wall respectively, the first groove wall can be attached to one side face of the part to be positioned, and the second groove wall can be attached to the other side face of the part to be positioned;

a sliding component (3) which is connected with the base component (1) in a sliding way;

the first clamping block (4) is arranged on the sliding assembly (3), and the first clamping block (4) can be matched with the first groove wall to clamp two opposite side surfaces of the part to be positioned;

and the second clamping block (5) is arranged on the sliding assembly (3), and the second clamping block (5) can be matched with the second groove wall to clamp two opposite side surfaces of the part to be positioned.

2. Positioning jig according to claim 1, characterized in that the sliding assembly (3) comprises:

the first sliding block (31) is arranged on the base component (1) in a sliding mode along a first direction, and the first clamping block (4) is arranged on the first sliding block (31);

the second sliding block (32) is arranged on the base component (1) in a sliding mode along a second direction perpendicular to the first direction, the second clamping block (5) is arranged on the second sliding block (32), and one of the first sliding block (31) and the second sliding block (32) can drive the other sliding block to slide.

3. The positioning fixture according to claim 2,

first slider (31) with in second slider (32) both, seted up first guide way (311) on one, install first guiding axle (321) on the other, the extending direction of first guide way (311) with first direction with the second direction all is the contained angle setting, first guiding axle (321) can be followed first guide way (311) slide.

4. The positioning jig according to claim 3, further comprising a third sliding block (33), wherein the third sliding block (33) is slidably disposed on the base assembly (1) along the second direction, one of the third sliding block (33) and the first sliding block (31) is provided with a second guide groove (312), the other one of the third sliding block and the first sliding block is provided with a second guide shaft (331), an extending direction of the second guide groove (312) and the first direction and the second direction are both arranged at an included angle, the second guide shaft (331) slides along the second guide groove (312), and the third sliding block (33) drives the first sliding block (31) to slide along the first direction when sliding along the second direction.

5. The positioning fixture according to claim 2, wherein the base assembly (1) comprises a first base plate (11), the first base plate (11) defines a first groove (111) and a second groove (112), the first groove (111) extends along the first direction, the second groove (112) extends along the second direction, the first slider (31) is slidably disposed in the first groove (111), and the second slider (32) is slidably disposed in the second groove (112).

6. The positioning fixture according to claim 5, wherein the base assembly (1) further comprises a second bottom plate (12) disposed on the first bottom plate (11), the limiting block (2) is connected to the second bottom plate (12), a third groove (121) and a fourth groove (122) are disposed on the second bottom plate (12), the first clamping block (4) is disposed in the third groove (121) in a penetrating manner and can slide along the third groove (121), and the second clamping block (5) is disposed in the fourth groove (122) in a penetrating manner and can slide along the fourth groove (122).

7. The positioning jig according to claim 1, wherein an adsorption piece is arranged at the bottom of the limiting groove (21), and the adsorption piece can adsorb the bottom side of the part to be positioned.

8. The positioning jig according to any one of claims 1 to 7,

a first top clamping piece (41) and a second top clamping piece (42) are arranged on the first clamping block (4), the first top clamping piece (41) is used for abutting against one side face of the first part (101), and the second top clamping piece (42) is used for abutting against one side face of the second part (102);

and a third top clamping piece (51) and a fourth top clamping piece (52) are arranged on the second clamping block (5), the third top clamping piece (51) is used for abutting against the other side face of the first part (101), and the fourth top clamping piece (52) is used for abutting against the other side face of the second part (102).

9. The positioning jig according to any one of claims 1 to 7, characterized in that a driving member (6) is connected to an input end of the sliding assembly (3), and the driving member (6) is used for driving the sliding assembly (3) to slide.

10. A positioning jig according to claim 9, characterized in that an elastic member (7) is provided between the output end of the driving member (6) and the input end of the sliding member (3).