CN211991549U

CN211991549U - Positioning welding fixture

Info

Publication number: CN211991549U
Application number: CN201922208014.3U
Authority: CN
Inventors: 崔元建; 李庆飞; 黎勇
Original assignee: Zhuhai Bojay Electronics Co Ltd
Current assignee: Zhuhai Bojay Electronics Co Ltd
Priority date: 2019-12-10
Filing date: 2019-12-10
Publication date: 2020-11-24
Anticipated expiration: 2029-12-10

Abstract

The utility model discloses a positioning welding fixture, which comprises a positioning seat, wherein the positioning seat is provided with a positioning groove, and the top end of the positioning groove is provided with an opening; the pressing assembly comprises a pressing plate, the pressing plate is arranged on the positioning seat, and the pressing plate can move towards or away from the opening; the pressing plate is used for being pressed on the opening after moving close to the opening; the positioning assembly comprises a positioning block and a first elastic component, and the positioning block is movably connected in the positioning hole in a penetrating manner; the first elastic component is arranged on the positioning seat; the first elastic component is used for providing elastic stress, and the elastic stress is used for driving the positioning block to move towards the top end close to the positioning hole so that the positioning block extends into the positioning groove. The utility model discloses a fixed-position welding anchor clamps, it can fix a position the work piece, is convenient for weld.

Description

Positioning welding fixture

Technical Field

The utility model relates to a work piece tool technical field especially relates to a fixed-position welding anchor clamps.

Background

At present, along with the popularization of electronic devices, capacitive pens used for the electronic devices are also popularized, such as touch control for mobile phone screens, touch control for tablet computers and the like. When the capacitance pen is produced, the capacitance pen needs to be assembled and then welded. When the capacitance pen is produced, the later welding quality of the capacitance pen can be influenced by the assembly precision of the capacitance pen. However, the existing capacitance pen is poor in assembly precision and low in efficiency.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects of the prior art, the utility model aims to provide a positioning welding fixture, which can position a workpiece and is convenient for welding.

The purpose of the utility model is realized by adopting the following technical scheme:

a positioning welding fixture comprises a positioning welding fixture body,

the positioning seat is provided with a positioning groove, and the top end of the positioning groove is provided with an opening;

the pressing assembly comprises a pressing plate, the pressing plate is arranged on the positioning seat, and the pressing plate can move towards or away from the opening; the pressing plate is used for being pressed on the opening after moving close to the opening;

the positioning assembly comprises a positioning block and a first elastic component, and the positioning block is movably connected in the positioning hole in a penetrating manner; the first elastic part is arranged on the positioning seat; the first elastic component is used for providing elastic stress, and the elastic stress is used for driving the positioning block to move towards the top end close to the positioning hole so that the positioning block extends into the positioning groove.

Furthermore, the positioning assembly further comprises a positioning block jacking mechanism, and the positioning block jacking mechanism is used for driving the positioning block to move towards the opening so as to lift the workpiece away from the positioning groove.

Furthermore, the positioning block jacking mechanism comprises a jacking rod, a movable plate, a movable pin, a fixed plate, a wrench and the first elastic component, wherein the top end of the jacking rod movably penetrates through the positioning hole and is fixedly connected with the positioning block; the bottom end of the jacking rod is movably connected in the movable plate in a penetrating manner; the part of the bottom end of the jacking rod penetrating through the movable plate is provided with a butting block; the abutting block is abutted to the bottom end face of the movable plate; the fixed plate is fixedly connected to the positioning seat, the bottom end of the movable pin is fixedly connected with the movable plate, and the top end of the movable pin penetrates through the fixed plate and is hinged to the middle end of the wrench; one end of the wrench is formed into a stress end, and the other end of the wrench is used for rotating towards the fixed plate when the stress end is stressed so as to drive the movable pin to move upwards; the first elastic component is clamped between the jacking rod and the movable plate.

Furthermore, the outer surface of the jacking rod is provided with a limiting block, the limiting block is located above the movable plate, and the first elastic component is clamped between the limiting block and the movable plate.

Furthermore, the positioning block, the first elastic component and the positioning holes are respectively provided with two positioning holes which are distributed at intervals in the extending direction of the positioning groove; each positioning block is correspondingly arranged in each positioning hole, and each first elastic component is used for providing elastic stress.

Further, the positioning block is made of flexible materials.

Furthermore, the pressing assembly also comprises a pressing block, and the pressing block is arranged at the bottom end of the pressing plate; a second elastic component is clamped between the pressing block and the pressing plate.

Furthermore, the positioning welding fixture further comprises a positioning needle assembly, wherein the positioning needle assembly comprises a connecting seat and a positioning needle, the connecting seat is detachably mounted on the pressing plate, and the positioning needle is mounted at the bottom end of the connecting seat; the pressing plate is provided with a through hole, and the positioning needle is used for penetrating through the through hole and extending into the positioning groove from the opening.

Furthermore, the connecting seat is fixedly connected with the pressing plate in a magnetic suction mode.

Furthermore, the pressing plate is hinged to the positioning seat through a rotating shaft; the clamping device is characterized in that a buckle is arranged on the positioning seat, a bayonet is arranged on the pressing plate, and the buckle is used for being clamped to the bayonet when the pressing plate is pressed in the opening.

Compared with the prior art, the beneficial effects of the utility model reside in that: it can place the work piece in the constant head tank, and the clamp plate that compresses tightly the subassembly compresses tightly from the work piece top, and the locating piece of locating component supports tightly from the work piece below under the effect of elastic stress, makes the stable location of work piece in the constant head tank, the later stage of being convenient for is accurate to be welded.

Drawings

Fig. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic structural view of a positioning block jacking mechanism of the present invention;

FIG. 3 is a schematic structural view of the positioning needle assembly of the present invention;

in the figure: 10. positioning seats; 11. buckling; 21. positioning blocks; 22. a positioning block jacking mechanism; 221. a jacking rod; 222. a movable plate; 223. a movable pin; 224. a wrench; 225. a fixing plate; 226. a first elastic member; 227. a butting block; 228. a limiting block; 31. pressing a plate; 32. briquetting; 40. positioning a needle assembly; 41. a connecting seat; 42. and a positioning pin.

Detailed Description

The invention will be further described with reference to the accompanying drawings and specific embodiments:

as shown in fig. 1, 2 and 3, the positioning and welding fixture includes a positioning seat 10, a pressing component and a positioning component, wherein the positioning seat 10 is provided with a positioning groove, and an opening is formed at the top end of the positioning groove. The specific pressure plate 31 assembly comprises a pressure plate 31, the pressure plate 31 is mounted on the positioning seat 10, the pressure plate 31 can move towards the opening or away from the opening, and the pressure plate 31 can be pressed on the opening after moving towards the opening. In addition, the positioning assembly includes a positioning block 21 and a first elastic member 226, the positioning block 21 is movably inserted into the positioning hole, the first elastic member 226 is mounted on the positioning seat 10, the first elastic member 226 can be used for providing an elastic stress, and the elastic stress is used for driving the positioning block 21 to move towards the top end of the positioning hole, so that the positioning block 21 extends into the positioning groove.

On the basis of the structure, use the utility model discloses a during the positioning welding anchor clamps to the work piece is the electric capacity pen as the example, and it can place the electric capacity pen in the constant head tank, makes the clamp plate 31 that compresses tightly the subassembly towards the open motion of constant head tank, and clamp plate 31 alright crimping compresses tightly from the work piece top in the top of constant volume pen. Meanwhile, the lower part of the capacitance pen is arranged on the positioning block 21, and the positioning block 21 of the positioning assembly is tightly propped against the lower part of the workpiece under the action of elastic stress, so that the workpiece is stably positioned in the positioning groove, and the later-stage accurate welding is facilitated.

Of course, the pressing plate 31 is provided with a welding vacancy, i.e. an external welding gun can directly penetrate through the vacancy to weld the capacitance pen.

In this embodiment, the positioning assembly further includes a positioning block jacking mechanism 22, and the positioning block jacking mechanism 22 is configured to drive the positioning block 21 to move toward the opening, so as to lift the workpiece away from the positioning groove. Specifically, after the capacitance pen is placed in the positioning groove and is subjected to positioning welding, the pressing plate 31 of the pressing assembly can be far away from the positioning groove, the positioning block 21 can move upwards under the action of the positioning block jacking mechanism 22, the positioning block 21 moves towards the opening of the positioning groove, and in the process, the positioning block 21 can push the capacitance pen away from the positioning groove, so that the workpiece can be taken conveniently.

Further, the positioning block jacking mechanism 22 includes a jacking rod 221, a movable plate 222, a movable pin 223, a fixed plate 225, a wrench 224 and a first elastic component 226, and movably connects the top end of the jacking rod 221 in the positioning hole and fixedly connects with the positioning block 21; the bottom end of the lifting rod 221 is movably connected in the movable plate 222 in a penetrating manner; the part of the bottom end of the lifting rod 221 passing through the movable plate 222 is provided with a butting block 227; the abutting block 227 is used for abutting against the bottom end surface of the movable plate 222; the fixed plate 225 is fixedly connected to the positioning seat 10, the bottom end of the movable pin 223 is fixedly connected to the movable plate 222, and the top end of the movable pin 223 penetrates through the fixed plate 225 and is hinged to the middle end of the wrench 224; one end of the wrench 224 is formed as a force-bearing end, and the other end of the wrench 224 is used for rotating towards the fixing plate 225 to bring the movable pin 223 to move upwards when the force-bearing end is stressed; the first elastic member 226 is sandwiched between the lifting rod 221 and the movable plate 222.

On the basis of the structure, an operator can manually rotate the force bearing end, the force bearing end rotates upwards to drive the other end of the wrench 224 to be away from the fixing plate 225, at this time, the first elastic component 226 clamped between the movable plate 222 and the lifting rod 221 can reset, elastic stress is provided to enable the movable plate 222 and the movable pin 223 to simultaneously move downwards, the lifting rod 221 can be driven to move upwards, the positioning block 21 faces into the positioning hole, however, after the capacitance pen is placed on the positioning block 21, the first elastic component 226 is still compressed to a part, so that the capacitance pen is in flexible contact with the positioning block 21 and is abutted against the capacitance pen.

After the positioning welding is completed, the wrench 224 is driven to move towards the direction close to the fixing plate 225 by making the stressed end rotate downwards, and because the fixing plate 225 is fixed and unchanged in the process, in order to make the end of the wrench 224 rotate to the fixing plate 225, the movable pin 223 can move upwards at the moment, and simultaneously drives the movable plate 222 to move upwards, so as to drive the lifting rod 221 to move upwards integrally, so that the positioning block 21 moves upwards, extends out of the positioning block 21, and pushes the product away from the positioning groove.

Further, a limit block 228 may be disposed on an outer surface of the lifting rod 221, the limit block 228 is located above the movable plate 222, the first elastic member 226 is clamped between the limit block 228 and the movable plate 222, the first elastic member 226 may be a spring in the prior art, the lifting rod 221 is inserted into the spring, and the limit block 228 on the lifting rod 221 may be abutted by the spring, so as to facilitate compressing the spring.

Furthermore, the positioning block 21, the first elastic component 226 and the positioning holes in this embodiment are all provided with two positioning holes, and the two positioning holes are distributed at intervals in the extending direction of the positioning groove; each positioning block 21 is correspondingly installed in each positioning hole, and each first elastic member 226 is used for providing an elastic stress. After the capacitance pen is placed in the positioning groove, the two ends of the capacitance pen can be respectively abutted by the positioning blocks 21, and the positioning effect is better.

Further, the positioning block 21 is made of a flexible material, and the flexible material can be made of super glue, rubber or silica gel, so that the positioning block 21 is prevented from being in contact with the capacitance pen to damage the capacitance pen.

Further, the pressing assembly in this embodiment further includes a pressing block 32, the pressing block 32 is disposed at the bottom end of the pressing plate 31, and a second elastic member is clamped between the pressing block 32 and the pressing plate 31, so that after the pressing plate 31 moves toward the opening close to the positioning slot, the pressing block 32 can be pressed above the capacitance pen, and the second elastic member clamped between the pressing block 32 and the pressing plate 31 can make the pressure applied by the pressing block 32 on the capacitance pen be an elastic force, thereby preventing the workpiece from being damaged.

Further, the positioning welding fixture further comprises a positioning needle assembly 40, the positioning needle assembly 40 comprises a connecting seat 41 and a positioning needle 42, the connecting seat 41 is detachably mounted on the pressing plate 31, and the positioning needle 42 is mounted at the bottom end of the connecting seat 41. Specifically, a through hole may be provided on the pressing plate 31, and the positioning pin 42 is configured to pass through the through hole and extend into the positioning groove from the opening. Thus, after the pressing plate 31 is pressed on the opening of the positioning slot, the connecting seat 41 can be installed on the pressing plate 31, and the positioning pin 42 can pass through the through hole and extend into the positioning slot to be inserted into a hole position on the capacitance pen for further positioning.

Further, a magnet block can be arranged on the connecting seat 41, a magnet is correspondingly arranged on the pressing plate 31, when the connecting seat 41 is assembled on the pressing plate 31, the magnet block and the magnet are magnetically attracted, so that the connecting seat 41 is fixedly connected with the pressing plate 31 in a magnetic attraction manner, and the disassembly and the assembly are convenient.

Further, the pressure plate 31 in this embodiment is hinged to the positioning seat 10 through a rotating shaft, i.e. the movement of the pressure plate 31 on the positioning seat 10 can be a rotating movement, i.e. the pressure plate 31 can rotate towards the opening or away from the opening. Specifically, be equipped with buckle 11 on positioning seat 10, be equipped with the bayonet socket on clamp plate 31, after clamp plate 31 rotated towards the opening, when the crimping was in the opening, but buckle 11 on the positioning seat 10 joint to bayonet socket made clamp plate 31 and positioning seat 10 locking, the later stage of being convenient for is stably welded.

Various other modifications and changes may be made by those skilled in the art based on the above-described technical solutions and concepts, and all such modifications and changes are intended to fall within the scope of the claims.

Claims

1. A positioning welding fixture is characterized by comprising,

2. The tack welding fixture of claim 1, wherein the positioning assembly further comprises a positioning block jacking mechanism configured to move a positioning block toward the opening to jack the workpiece off of the positioning slot.

3. The positioning welding fixture of claim 2, wherein the positioning block jacking mechanism comprises a jacking rod, a movable plate, a movable pin, a fixed plate, a wrench and the first elastic component, and the top end of the jacking rod movably penetrates through the positioning hole and is fixedly connected with the positioning block; the bottom end of the jacking rod is movably connected in the movable plate in a penetrating manner; the part of the bottom end of the jacking rod penetrating through the movable plate is provided with a butting block; the abutting block is abutted to the bottom end face of the movable plate; the fixed plate is fixedly connected to the positioning seat, the bottom end of the movable pin is fixedly connected with the movable plate, and the top end of the movable pin penetrates through the fixed plate and is hinged to the middle end of the wrench; one end of the wrench is formed into a stress end, and the other end of the wrench is used for rotating towards the fixed plate when the stress end is stressed so as to drive the movable pin to move upwards; the first elastic component is clamped between the jacking rod and the movable plate.

4. The positioning welding fixture of claim 3, wherein the outer surface of the lifting rod is provided with a limiting block, the limiting block is located above the movable plate, and the first elastic component is clamped between the limiting block and the movable plate.

5. The positioning and welding fixture of any one of claims 1-4, wherein there are two positioning blocks, two positioning holes and two positioning holes, and the two positioning holes are spaced apart from each other in the extending direction of the positioning groove; each positioning block is correspondingly arranged in each positioning hole, and each first elastic component is used for providing elastic stress.

6. The tack welding fixture of any one of claims 1-4, wherein the locating block is made of a flexible material.

7. The tack welding jig of any one of claims 1 to 4, wherein the hold-down assembly further comprises a pressure block, the pressure block being provided at a bottom end of the pressure plate; a second elastic component is clamped between the pressing block and the pressing plate.

8. The tack welding jig of any one of claims 1 to 4, further comprising a tack pin assembly, the tack pin assembly comprising a connecting base and a tack pin, the connecting base being detachably mounted on the pressure plate, the tack pin being mounted at a bottom end of the connecting base; the pressing plate is provided with a through hole, and the positioning needle is used for penetrating through the through hole and extending into the positioning groove from the opening.

9. The tack welding fixture of claim 8, wherein the connecting base is magnetically secured to the pressure plate.

10. The tack welding fixture of any one of claims 1-4, wherein the pressure plate is hinged to the positioning seat via a pivot; the clamping device is characterized in that a buckle is arranged on the positioning seat, a bayonet is arranged on the pressing plate, and the buckle is used for being clamped to the bayonet when the pressing plate is pressed in the opening.