CN211457579U

CN211457579U - PCB welding jig

Info

Publication number: CN211457579U
Application number: CN201921273585.9U
Authority: CN
Inventors: 游定国; 梁涛
Original assignee: Hunan Haoyijia Circuit Board Co ltd
Current assignee: Hunan Haoyijia Circuit Board Co ltd
Priority date: 2019-08-07
Filing date: 2019-08-07
Publication date: 2020-09-08
Anticipated expiration: 2029-08-07

Abstract

A PCB welding jig comprises: the clamping mechanism comprises a bottom plate, a frame and a clamping mechanism, wherein the frame is arranged around the periphery of the bottom plate, and two ends of the clamping mechanism are connected with two opposite sides of the frame in a sliding manner; the fixture includes: the fixing structure is in threaded connection with the fixing plate, the sliding rods are located at two ends of the fixing plate, and the sliding rods are connected with the frame in a sliding mode. The utility model discloses a set up two can gliding fixture can be convenient according to the PCB plate size, modulation fixture's distance, the practicality is high. The PCB can be fixed only by simply pressing down and rotating the fixing structure, or the handle of the pressing component is rotated to remove the fixing of the PCB, and then the handle of the limiting part is screwed to move away from the clamping mechanism to take out the PCB. The whole operation process is simple and the working procedures are few.

Description

PCB welding jig

Technical Field

The utility model belongs to the technical field of the PCB board is made, especially, relate to a PCB board welding jig.

Background

The PCB is called a printed circuit board, also called a printed circuit board or a printed circuit board. The PCB can be produced only by a plurality of production processes such as welding an electronic chip, welding a lead and the like. Wave soldering is generally adopted for soldering of the PCB. The stability of the PCB will affect the quality of wave soldering, and the final quality of the PCB. At present, in order to guarantee that the PCB board is fixed firm, it is supplementary to adopt PCB board welding jig usually. The PCB jig comprises a jig plate and frames arranged on the periphery of the jig plate, but the traditional jig cannot fix PCB plates with different sizes, so that the practicability is poor, the fixed process flow is complex, and the operation is inconvenient.

Therefore, it is necessary to provide a new PCB welding jig to solve the above-mentioned technical problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that a PCB board welding jig that the process is few, efficient and can adjust size of a dimension is provided.

The utility model provides a technical scheme that its technical problem adopted, a PCB board welding jig, include: the clamping mechanism comprises a bottom plate, a frame and a clamping mechanism, wherein the frame is arranged around the periphery of the bottom plate, and two ends of the clamping mechanism are connected with two opposite sides of the frame in a sliding manner;

the fixture includes: the fixing structure is in threaded connection with the fixing plate, the sliding rods are located at two ends of the fixing plate, and the sliding rods are connected with the frame in a sliding mode.

Preferably, the number of the clamping mechanisms is two, and the two clamping mechanisms are respectively located at two ends of the bottom plate.

Preferably, the fixing structure includes: the fixing rod is fixedly connected with the fixing plate, the first spring and the second spring are sleeved on the fixing rod, the abutting assembly and the pressing assembly are connected with the fixing rod in a sliding mode, the abutting assembly is located between the first spring and the second spring, the pressing assembly is abutted to the second spring, and the pressing assembly is located at one end, far away from the fixing plate, of the fixing rod.

Preferably, the holding assembly comprises: the clamping mechanism comprises a pressing plate, a connecting plate and a sliding plate, wherein the sliding plate is connected with the fixed rod in a sliding mode, two ends of the connecting plate are respectively fixedly connected with the sliding plate and the pressing plate, and the pressing plate is located between the two clamping mechanisms.

Preferably, one end of the fixed rod, which is far away from the fixed plate, is provided with a limiting block, and the pressing assembly is located between the limiting block and the second spring.

Preferably, the fixing rod is provided with a hollow cylinder surrounded by side walls, the fixing rod further comprises two protruding blocks extending from the inner surface of the side wall to the inside of the hollow cylinder, and the fixing rod further comprises a channel arranged between the two protruding blocks, and a first sliding groove and a second sliding groove communicated with the channel.

Preferably, the pressing assembly includes: the sliding column comprises a sliding column body, a first clamping block and a second clamping block, wherein the first clamping block and the second clamping block are fixedly connected with one end of the sliding column body, the sliding column body is matched with the channel, and the first clamping block and the second clamping block are respectively matched with the first sliding groove and the second sliding groove.

Preferably, the thicknesses of the first clamping block and the second clamping block are smaller than the height difference between the hollow cylinder and the bump.

Preferably, the frame is provided with a guide groove, and the slide bar is connected with the frame in a sliding manner through the guide groove.

Preferably, the clamping mechanism further comprises a limiting piece, and the limiting piece is in threaded connection with one end, far away from the fixed plate, of the sliding rod.

Compared with the prior art, the utility model discloses a set up two can gliding fixture can be convenient according to the PCB plate size, modulation fixture's distance, the practicality is high. The PCB can be fixed only by simply pressing down and rotating the fixing structure, or the handle of the pressing component is rotated to remove the fixing of the PCB, and then the handle of the limiting part is screwed to move away from the clamping mechanism to take out the PCB. The whole operation process is simple and the working procedures are few.

Drawings

Fig. 1 is a schematic view of an overall structure of an embodiment of the present invention.

Fig. 2 is an attached view of the present invention.

Fig. 3 is a schematic sectional view taken along line a-a of fig. 2.

Fig. 4 is an enlarged schematic view of B in fig. 3.

Fig. 5 is a partial structural schematic view of the pressing assembly.

In the figure:

1. the clamping mechanism comprises a bottom plate, a frame, a clamping mechanism, a guide groove 21, a fixing structure 31, a fixing plate 32, a sliding rod 33, a limiting piece 34, a fixing rod 311, a fixing rod 312, a supporting component 313, a first spring 314, a second spring 315, a pressing component 3111, a limiting block 3112, a hollow cylinder 3113, a bump 3114, a channel 3115, a first sliding groove 3116, a second sliding groove 3111, a pressing plate 3122, a connecting plate 3123, a sliding plate 3151, a sliding column 3152, a first clamping block 3153 and a second clamping block.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

Referring to fig. 1 to 5, a PCB welding jig includes: the clamping device comprises a bottom plate 1, a frame 2 and a clamping mechanism 3, wherein the frame 2 is arranged around the periphery of the bottom plate 1, and two ends of the clamping mechanism 3 are connected with two opposite sides of the frame 2 in a sliding manner; the chucking mechanism 3 includes: fixed knot constructs 31, fixed plate 32, slide bar 33, and fixed knot constructs 31 and fixed plate 32 threaded connection, and slide bar 33 is located the both ends of fixed plate 32, and slide bar 33 and frame 2 sliding connection. The height of the frame 2 is greater than that of the bottom plate 1.

The number of the clamping mechanisms 3 is two, and the two clamping mechanisms 3 are respectively positioned at two ends of the bottom plate 1.

The fixing structure 31 includes: the fixing rod 311 is fixedly connected with the fixing plate 32, the first spring 313 and the second spring 314 are sleeved on the fixing rod 311, the abutting component 312 and the pressing component 315 are slidably connected with the fixing rod 311, the abutting component 312 is located between the first spring 313 and the second spring 314, the pressing component 315 is abutted against the second spring 314, and the pressing component 315 is located at one end, far away from the fixing plate 32, of the fixing rod 311. The fixed structure 31 is a plurality of, and a plurality of fixed structures 31 interval sets up. The elastic force of the second spring 314 is greater than that of the first spring 313.

The holding component 312 includes: the pressing plate 3121, the connecting plate 3122, the sliding plate 3123 is connected with the fixed rod 311 in a sliding manner, both ends of the connecting plate 3122 are respectively fixedly connected with the sliding plate 3123 and the pressing plate 3121, the pressing plate 3121 is located between two clamping mechanism 3. A pressure plate 3121 is located between the slide plate 3123 and the base plate 1.

A stopper 3111 is disposed at an end of the fixing rod 311 away from the fixing plate 32, and the pressing member 315 is disposed between the stopper 3111 and the second spring 314.

The fixing rod 311 is provided with a hollow cylinder 3112 surrounded by side walls, the fixing rod 311 further includes two protrusions 3113 extending from the inner surface of the side walls to the inside of the hollow cylinder 3112, and the fixing rod 311 further includes a channel 3114 disposed between the two protrusions 3113 and a first sliding slot 3115 and a second sliding slot 3116 communicated with the channel 3114.

The pressing member 315 includes: the sliding column 3151, the first clamping block 3152 and the second clamping block 3153 are fixedly connected with one end of the sliding column 3151, the sliding column 3151 is matched with the channel 3114, and the first clamping block 3152 and the second clamping block 3153 are respectively matched with the first sliding groove 3115 and the second sliding groove 3116.

The thicknesses of the first clamping block 3152 and the second clamping block 3153 are smaller than the height difference between the hollow cylinder 3112 and the bump 3113. The height of the bump 3113 is less than the height of the hollow cylinder 3112, that is, the height of the bump 3113 is less than the height of the first sliding groove 3115 or the second sliding groove 3116, and the height difference between the first sliding groove 3115, the second sliding groove 3116 and the bump 3113 is greater than the thickness of the first clamping block 3152 and the second clamping block 3153.

The frame 2 is provided with a guide groove 21, and the slide bar 33 is connected with the frame 2 in a sliding way through the guide groove 21.

The clamping mechanism 3 further comprises a limiting member 34, and the limiting member 34 is in threaded connection with one end of the sliding rod 33 far away from the fixing plate 32. Both the limiting member 34 and the pressing member 315 are provided with handles for facilitating rotation. The clamping mechanism 3 can be released or fixed by screwing the handle on the stop member 34.

The utility model provides a PCB board welding jig's working process as follows: and (3) sliding the clamping mechanisms 3 on the frame 2, and adjusting the distance between the two clamping mechanisms 3 according to the size of the PCB. And screwing a handle of the limiting piece 34 on one clamping mechanism 3, fixing the clamping mechanism 3 on the frame 2, abutting one side of the PCB against the plate edge of the fixing plate 32 of the clamping mechanism 3, and placing the PCB. The other clamping mechanism 3 is slid to make the fixing plate 32 of the clamping mechanism 3 tightly abut against the other side of the PCB. The pressing assembly 315 on one fixing structure 31 is pressed downward, the sliding column 3151 slides downward along the channel 3114, the first spring 313, the clamping assembly and the second spring 314 are pressed downward at the same time, when the pressing plate 3121 presses the PCB board, the handle on the pressing assembly 315 is rotated to clamp the first clamping block 3152 and the second clamping block 3153 with the protrusion 3113, that is, the first clamping block 3152 and the second clamping block 3153 are located below the protrusion 3113, at this time, the fixing structure 31 completes the pressing and fixing of the PCB board. The operation of the remaining fixing structure 31 is the same as the operation of the fixing structure 31 described above. After the PCB is fixed, the PCB starts a welding process, after the welding of the PCB is finished, the clamping state of the first clamping block 3152, the second clamping block 3153 and the bump 3113 is released only by rotating the handle on the pressing assembly 315, the sliding column 3151 of the pressing assembly 315 ascends along the channel 3114 under the elastic force of the first spring 313, namely, the pressing plate 3121 moves upwards, and the fixing of the PCB is released. Then the handle of the limiting part 34 is screwed, and the clamping mechanism 3 is moved away, so that the welded PCB can be taken out. Through setting up two can gliding fixture 3 can be convenient according to the PCB size, the distance of modulation fixture 3, the practicality is high. The design of the fixing structure 31 only needs to simply press down and rotate to fix the PCB, or the handle of the pressing component 315 is rotated to release the clamping state of the first clamping block 3152, the second clamping block 3153 and the protruding block 3113, and then the clamping mechanism 3 is removed to take out the PCB. The whole operation process is simple and the working procedures are few.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

1. The utility model provides a PCB board welding jig which characterized in that includes: the clamping mechanism comprises a bottom plate, a frame and a clamping mechanism, wherein the frame is arranged around the periphery of the bottom plate, and two ends of the clamping mechanism are connected with two opposite sides of the frame in a sliding manner;

2. The PCB welding jig of claim 1, wherein the number of the clamping mechanisms is two, and the two clamping mechanisms are respectively located at two ends of the bottom plate.

3. The PCB board welding jig of claim 2, wherein the fixing structure comprises: the fixing rod is fixedly connected with the fixing plate, the first spring and the second spring are sleeved on the fixing rod, the abutting assembly and the pressing assembly are connected with the fixing rod in a sliding mode, the abutting assembly is located between the first spring and the second spring, the pressing assembly is abutted to the second spring, and the pressing assembly is located at one end, far away from the fixing plate, of the fixing rod.

4. The PCB welding jig of claim 3, wherein the abutting assembly comprises: the clamping mechanism comprises a pressing plate, a connecting plate and a sliding plate, wherein the sliding plate is connected with the fixed rod in a sliding mode, two ends of the connecting plate are respectively fixedly connected with the sliding plate and the pressing plate, and the pressing plate is located between the two clamping mechanisms.

5. The PCB welding jig of claim 4, wherein a limiting block is arranged at one end of the fixing rod far away from the fixing plate, and the pressing assembly is located between the limiting block and the second spring.

6. The PCB welding jig of claim 5, wherein the fixing rod is provided with a hollow cylinder surrounded by side walls, the fixing rod further comprises two protrusions extending from the inner surface of the side walls to the inside of the hollow cylinder, and the fixing rod further comprises a channel arranged between the two protrusions and a first chute and a second chute communicated with the channel.

7. The PCB board welding jig of claim 6, wherein the pressing component comprises: the sliding column comprises a sliding column body, a first clamping block and a second clamping block, wherein the first clamping block and the second clamping block are fixedly connected with one end of the sliding column body, the sliding column body is matched with the channel, and the first clamping block and the second clamping block are respectively matched with the first sliding groove and the second sliding groove.

8. The PCB welding jig of claim 7, wherein the thickness of the first clamping block and the thickness of the second clamping block are both smaller than the height difference between the hollow cylinder and the bump.

9. The PCB welding jig of claim 8, wherein the frame is provided with a guide groove, and the slide bar is slidably connected with the frame through the guide groove.

10. The PCB welding jig of claim 9, wherein the clamping mechanism further comprises a limiting member, and the limiting member is in threaded connection with one end of the sliding rod, which is far away from the fixed plate.