CN219966710U

CN219966710U - PCBA welding jig with Pogo pin height control function

Info

Publication number: CN219966710U
Application number: CN202321340350.3U
Authority: CN
Inventors: 刑宗伟
Original assignee: Zhonghua Electronic Technology Taicang Co ltd
Current assignee: Zhonghua Electronic Technology Taicang Co ltd
Priority date: 2023-05-30
Filing date: 2023-05-30
Publication date: 2023-11-07
Anticipated expiration: 2033-05-30

Abstract

The utility model belongs to the technical field of PCBA welding, and particularly relates to a PCBA welding fixture with a Pogo pin height control function. According to the utility model, through the fixed diameter and the fixed height of the fixture pin, the high-precision and stability of the welding size of the PCBA are realized.

Description

PCBA welding jig with Pogo pin height control function

Technical Field

The utility model relates to the technical field of PCBA welding, in particular to a PCBA welding fixture with a Pogo pin height control function.

Background

The PCBA is called a printed circuit board, also called a printed circuit board, which is an important electronic component, is a support for electronic components, and is a provider of circuit connections for electronic components. With the development of the electronics industry, part of PCBA needs to realize electrical connection and high support of Pogo pins simultaneously in a soldering form to meet special assembly requirements.

The prior art has the following problems:

the existing welding fixture is basically made of bakelite or synthetic stone, the precise control mechanism without elements is a simple pressing mechanism, and meanwhile, the existing fixture can meet the basic welding function and simple position control, and cannot realize the precise control of the installation size, particularly the floating welding elements; meanwhile, the existing welding fixture cannot perform corresponding angle adjustment when in use, and therefore the welding efficiency is affected.

Disclosure of Invention

Aiming at the defects of the prior art, the utility model provides the PCBA welding fixture with the Pogo pin height control, which solves the problems that the existing PCBA welding fixture is insufficient in precision control of a floating welding element and the fixture cannot perform angle adjustment.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a PCBA welding jig that has Pogo pin height control concurrently, includes the base, upper portion surface one side fixed mounting of base has the mounting groove, one side fixedly connected with first draw-in groove of mounting groove, one side of the middle part of mounting groove is provided with the through-hole, the opposite side fixedly connected with second draw-in groove of mounting groove, the upper portion fixed surface of base installs the fixed column, the surface swing joint of fixed column has the clamp plate, one side of through-hole is provided with first pin, one side of first pin is provided with the second pin, upper portion surface one side fixed mounting of base has the mounting hole, the below of base is provided with the mounting panel, below one side threaded connection of mounting panel has the bolt, the below middle part fixed mounting of mounting panel has the mount, one side fixed mounting of inside has the bearing frame, one side swing joint of bearing frame has the dead lever, one side fixed mounting of dead lever has the supporting seat, the top surface fixed mounting of supporting seat has the pinion plate, the top tooth of pinion plate is connected with the clamp plate, one side fixed connection has the connecting rod, the inside connection has the connecting rod fixed connection spring, the connecting rod fixed connection has the first side, the connecting rod fixed connection has the connecting rod.

As a preferable technical scheme of the utility model, two groups of mounting grooves are fixedly arranged on the upper surface of the base, a first clamping groove and a second clamping groove are respectively and fixedly connected to two sides of the mounting grooves, and the sinking depth of the first clamping groove and the sinking depth of the second clamping groove are higher than those of the mounting grooves.

As a preferable technical scheme of the utility model, the through hole is fixedly arranged with the base and penetrates through the base, and the through hole is clamped with the back element of the PCBA.

As a preferable technical scheme of the utility model, two groups of first pins and one group of second pins are fixedly arranged in the mounting groove, the surface of the first pin, which floats out, is slightly higher than that of the second pin, and the diameter of the first pin is smaller than that of the second pin.

As a preferable technical scheme of the utility model, mounting holes are fixedly arranged at four corners of the upper surface of the base, the bolts are in threaded connection with the mounting plate and the base, the base is made of aluminum alloy, and the first pin and the second pin are made of steel.

As a preferable technical scheme of the utility model, fixing rods are fixedly arranged on the surfaces of two sides of the supporting seat, bearing seats are fixedly arranged on two sides of the inside of the fixing frame, the fixing rods are movably connected with the bearing seats, and the gear plate is arc-shaped and meshed with the main gear.

As a preferable technical scheme of the utility model, the shaft rod is movably connected with the fixing frame, the fixing block is fixedly arranged with the connecting rod, the reset spring is sleeved with the connecting rod, and the connecting rod is spliced with the fixing frame.

Compared with the prior art, the PCBA welding fixture with the Pogo pin height control function has the following beneficial effects:

1. the utility model provides a PCBA welding fixture with a Pogo pin height control function, which is characterized in that a first clamping groove and a second clamping groove are respectively and fixedly arranged at two sides of a mounting groove through the mounting groove arranged on the surface of a base, and a first pin and a second pin which are fixedly arranged in the mounting groove are respectively 1.0mm and 1.5mm in diameter, and a floating plate surface is respectively 2.7mm and 1.0mm, so that the precise control of the Pogo pin is realized, meanwhile, the fixture is an aluminum alloy base, the surface is subjected to hard oxygen treatment, the precision reduction caused by long-term use abrasion is avoided, the precise height control can be realized, the design requirement is met, and the stability of the fixture control is further improved.

2. The utility model provides a PCBA welding fixture with a Pogo pin height control function, which is characterized in that an arc-shaped gear plate is arranged above a supporting seat, the gear plate is fixedly arranged with a main gear, a shaft lever is fixedly arranged in the main gear, the shaft lever is movably connected with a fixed frame, when a second connecting block is pulled outwards, a connecting rod drives a fixed block to move and compress a return spring, so that after the connecting rod leaves the inside of the fixed frame, the connecting rod can drive the second connecting block to rotate through rotating the first connecting block, the shaft lever can further rotate, and under the action of a fixed rod and a bearing seat arranged between the fixed frame and the supporting seat, the mounting plate can drive the base to adjust an angle when the shaft lever is rotated, thereby being convenient for welding the PCBA.

Drawings

FIG. 1 is a schematic view of the whole structure of a base of the present utility model;

FIG. 2 is a top view of the base structure of the present utility model;

FIG. 3 is a left side view of the base structure of the present utility model;

FIG. 4 is a schematic diagram of the overall mounting structure of the base of the present utility model;

fig. 5 is an enlarged schematic view of the structure at a of the present utility model.

In the figure: 1. a base; 2. a mounting groove; 3. a first clamping groove; 4. a through hole; 5. a second clamping groove; 6. fixing the column; 7. a pressing plate; 8. a first pin; 9. a second pin; 10. a mounting hole; 11. a mounting plate; 12. a bolt; 13. a fixing frame; 14. a bearing seat; 15. a fixed rod; 16. a support base; 17. a gear plate; 18. a main gear; 19. a shaft lever; 20. a first connection block; 21. a connecting rod; 22. a second connection block; 23. a return spring; 24. and a fixed block.

Description of the embodiments

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1 to 5, in the present embodiment: a PCBA welding fixture with a Pogo pin height control function comprises a base 1, wherein an installation groove 2 is fixedly arranged on one side of the upper surface of the base 1, a first clamping groove 3 is fixedly connected to one side of the installation groove 2, a through hole 4 is formed in one side of the middle of the installation groove 2, and a PCBA board back element is clamped and placed through the through hole 4; the other side of the mounting groove 2 is fixedly connected with a second clamping groove 5, the upper surface of the base 1 is fixedly provided with a fixed column 6, the surface of the fixed column 6 is movably connected with a pressing plate 7, and the PCBA board is fixed through the pressing plate 7; a first pin 8 is arranged on one side of the through hole 4, a second pin 9 is arranged on one side of the first pin 8, a mounting hole 10 is fixedly arranged on one side of the upper surface of the base 1, and the base 1 is mounted through the mounting hole 10; a mounting plate 11 is arranged below the base 1, a bolt 12 is connected with one side of the lower part of the mounting plate 11 in a threaded manner, and the base 1 is mounted through the bolt 12; a fixed frame 13 is fixedly arranged in the middle of the lower part of the mounting plate 11, a bearing seat 14 is fixedly arranged on one side of the inside of the fixed frame 13, and the fixed frame 13 can be subjected to angle adjustment through the bearing seat 14; one side of the bearing seat 14 is movably connected with a fixed rod 15, one side of the fixed rod 15 is fixedly provided with a supporting seat 16, the upper surface of the supporting seat 16 is fixedly provided with a gear plate 17, the upper part of the gear plate 17 is in meshing connection with a main gear 18, the inside of the main gear 18 is fixedly provided with a shaft lever 19, and the main gear 18 is driven to rotate by the shaft lever 19; a first connecting block 20 is fixedly arranged on one side of the shaft lever 19, a connecting rod 21 is connected inside one side of the first connecting block 20 in a sliding manner, a second connecting block 22 is fixedly arranged on one side of the connecting rod 21, and the shaft lever 19 is driven to rotate through the second connecting block 22; a return spring 23 is fixedly connected to one side of the first connecting block 20, and a fixing block 24 is fixedly connected to one side of the return spring 23.

In the embodiment, two groups of mounting grooves 2 are fixedly arranged on the upper surface of a base 1, a first clamping groove 3 and a second clamping groove 5 are fixedly connected to two sides of the mounting grooves 2 respectively, the sinking depth of the first clamping groove 3 and the second clamping groove 5 is higher than that of the mounting grooves 2, and a PCBA board is mounted through the mounting grooves 2; the through hole 4 is fixedly arranged with the base 1 and penetrates through the base 1, and the through hole 4 is clamped with a back element of the PCBA board; two groups of first pins 8 and a group of second pins 9 are fixedly arranged in the mounting groove 2, the surface of the first pins 8, which floats out of the plate, is slightly higher than that of the second pins 9, the diameter of the first pins 8 is smaller than that of the second pins 9, and the welding precision of the PCBA is controlled through the first pins 8 and the second pins 9; mounting holes 10 are fixedly formed in four corners of the upper surface of the base 1, bolts 12 are in threaded connection with the mounting plate 11 and the base 1, the base 1 is made of aluminum alloy, and the first pin 8 and the second pin 9 are made of steel; the fixed rods 15 are fixedly arranged on the surfaces of two sides of the supporting seat 16, the bearing seats 14 are fixedly arranged on two sides of the inside of the fixed frame 13, the fixed rods 15 are movably connected with the bearing seats 14, the gear plate 17 is arc-shaped and meshed with the main gear 18, and the fixed frame 13 and the supporting seat 16 are arranged through the fixed rods 15 and the bearing seats 14; the shaft lever 19 is movably connected with the fixed frame 13, the fixed block 24 is fixedly arranged with the connecting rod 21, the return spring 23 is sleeved with the connecting rod 21, and the connecting rod 21 is spliced with the fixed frame 13.

The working principle and the using flow of the utility model are as follows: after an operator removes the pressing plate 7 from the upper side of the mounting groove 2 under the action of the fixing column 6, the two sides of the PCBA board are clamped by fingers, the PCBA board can be mounted in the mounting groove 2 through the clamping connection between the fingers and the first clamping groove 3 and the second clamping groove 5, elements on the back of the PCBA board are clamped with the through holes 4, after the PCBA board is mounted, the pressing plate 7 can be rotated together, the PCBA board is fixed, the vertical control of the Pogo pin is realized by using the first pin 8 and the second pin 9 with matched sizes through the internal cavity of the Pogo pin, meanwhile, the Pogo pin is suspended in the mounting groove 2 of the base 1 at a set height due to the specific lengths of the first pin 8 and the second pin 9, and finally, the welding operation is implemented. In the welding process, the second connecting block 22 can be pulled to the outside to drive the connecting rod 21 to synchronously move and leave the fixed frame 13, and the reset spring 23 is compressed through the fixed block 24, so that the connecting rod 21 drives the first connecting block 20 to drive the shaft rod 19 to synchronously rotate through rotating the second connecting block 22, and the mounting plate 11 can drive the base 1 to carry out angle adjustment under the action of the surface-mounted main gear 18 of the shaft rod 19 and the arc-shaped gear plate 17 matched with the bearing seat 14.

Finally, it should be noted that: the foregoing description is only a preferred embodiment of the present utility model, and the present utility model is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present utility model has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims

1. PCBA welding jig that has Pogo pin height control concurrently, its characterized in that: including base (1), upper portion surface one side fixed mounting of base (1) has mounting groove (2), one side fixedly connected with first draw-in groove (3) of one side of mounting groove (2), one side of the middle part of mounting groove (2) is provided with through-hole (4), the opposite side fixedly connected with second draw-in groove (5) of mounting groove (2), upper portion fixed surface of base (1) installs fixed column (6), the surface swing joint of fixed column (6) has clamp plate (7), one side of through-hole (4) is provided with first pin (8), one side of first pin (8) is provided with second pin (9), one side fixed mounting of upper portion surface of base (1) has mounting hole (10), the below of base (1) is provided with mounting panel (11), below one side threaded connection of mounting panel (11) has bolt (12), below middle part fixed mounting of mounting panel (11) has mount (13), the inside one side fixed mounting of mount (13) has bearing frame (14), one side fixed mounting of bearing frame (16) has bearing frame (16), one side fixed mounting panel (16) is fixed on the fixed surface of fixed mounting (16), the gear plate is characterized in that a main gear (18) is meshed above the gear plate (17), a shaft lever (19) is fixedly installed in the main gear (18), a first connecting block (20) is fixedly installed on one side of the shaft lever (19), a connecting rod (21) is connected to one side of the first connecting block (20) in a sliding mode, a second connecting block (22) is fixedly installed on one side of the connecting rod (21), a reset spring (23) is fixedly connected to one side of the first connecting block (20), and a fixing block (24) is fixedly connected to one side of the reset spring (23).

2. The PCBA welding fixture with Pogo pin height control as claimed in claim 1, wherein: the base is characterized in that two groups of mounting grooves (2) are fixedly mounted on the surface of the upper portion of the base (1), a first clamping groove (3) and a second clamping groove (5) are fixedly connected to two sides of the mounting grooves (2) respectively, and the sinking depth of the first clamping groove (3) and the sinking depth of the second clamping groove (5) are higher than that of the mounting grooves (2).

3. The PCBA welding fixture with Pogo pin height control as claimed in claim 1, wherein: the through hole (4) is fixedly mounted with the base (1) and penetrates through the base (1), and the through hole (4) is clamped with a back element of the PCBA board.

4. The PCBA welding fixture with Pogo pin height control as claimed in claim 1, wherein: the inside fixed mounting of mounting groove (2) have two sets of first pin (8) and a set of second pin (9), first pin (8) float the face slightly higher than second pin (9), the diameter of first pin (8) is less than affiliated second pin (9).

5. The PCBA welding fixture with Pogo pin height control as claimed in claim 1, wherein: the mounting device is characterized in that mounting holes (10) are fixedly arranged at four corners of the upper surface of the base (1), bolts (12) are in threaded connection with the mounting plate (11) and the base (1), the base (1) is made of aluminum alloy materials, and the first pins (8) and the second pins (9) are made of steel.

6. The PCBA welding fixture with Pogo pin height control as claimed in claim 1, wherein: fixing rods (15) are fixedly arranged on the surfaces of two sides of the supporting seat (16), bearing seats (14) are fixedly arranged on two sides of the inside of the fixing frame (13), the fixing rods (15) are movably connected with the bearing seats (14), and the gear plate (17) is arc-shaped and meshed with the main gear (18).

7. The PCBA welding fixture with Pogo pin height control as claimed in claim 1, wherein: the shaft rod (19) is movably connected with the fixing frame (13), the fixing block (24) is fixedly installed with the connecting rod (21), the reset spring (23) is sleeved with the connecting rod (21), and the connecting rod (21) is spliced with the fixing frame (13).