CN216449616U

CN216449616U - Circuit board test fixture

Info

Publication number: CN216449616U
Application number: CN202122608191.8U
Authority: CN
Inventors: 顾飞
Original assignee: Zhangjiagang Dedao Electronic Co ltd
Current assignee: Zhangjiagang Dedao Electronic Co ltd
Priority date: 2021-10-28
Filing date: 2021-10-28
Publication date: 2022-05-06
Anticipated expiration: 2031-10-28

Abstract

The utility model discloses a circuit board testing tool fixture which comprises a base, a lower clamping plate, a part collecting box structure capable of being pulled, a rotatable adjusting rod structure and an adjustable limiting pipe structure, wherein a dropping groove is formed in the middle of the base, the left side and the right side of the lower part of the base are respectively connected with a side frame through bolts, a fixed square rod is inserted into a groove formed in the lower part of the side frame, and the side frame and the fixed square rod are fixedly connected through fastening bolts; the upper parts of the two lower clamping plates are respectively provided with an upper clamping plate, the inner bearing of a through hole formed in the middle of the outer side of the upper clamping plate is connected with a screw rod, and the upper end of the screw rod is connected with a nut through a bolt. According to the utility model, the collection box, the adsorption sheet, the moving seat, the insertion rod and the U-shaped fixing rod are arranged, so that the collection of the dropped parts is facilitated; the angle of the circuit board can be adjusted by the arrangement of the rectangular frame, the inner pad table, the support frame, the fixing pipe, the adjusting rod, the hand wheel and the adjusting bolt.

Description

Circuit board test fixture

Technical Field

The utility model belongs to the technical field of electronic test equipment, and particularly relates to a circuit board test tool clamp.

Background

In order to ensure the production quality of the circuit board, manufacturers often perform different tests on the circuit board according to different performances of the circuit board in the production process, and the tests are mainly divided into an electrical test method and a visual test method. Before detection, the circuit board needs to be fixed through a tool clamp.

However, the existing tool clamp also has the problems that the falling parts are inconvenient to collect, the angle is inconvenient to adjust, and circuit boards of different sizes are inconvenient to clamp.

Therefore, the utility model of the circuit board testing tool clamp is very necessary.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problems, the utility model provides a circuit board testing tool clamp which is convenient for collecting dropped parts, adjusting angles and clamping circuit boards of different sizes.

The utility model is realized by the following technical scheme:

a circuit board testing tool clamp comprises a base, a lower clamping plate, a part collecting box structure capable of being pulled, a rotatable adjusting rod structure and an adjustable limiting pipe structure, wherein a dropping groove is formed in the middle of the base, the left side and the right side of the lower portion of the base are respectively connected with side frames through bolts, fixed square rods are inserted into grooves formed in the lower portions of the side frames, and the side frames and the fixed square rods are fixedly connected through fastening bolts; the upper parts of the two lower clamping plates are respectively provided with an upper clamping plate, a screw rod is connected with a through hole arranged in the middle of the outer side of the upper clamping plate through an internal bearing, a nut is connected with an upper end bolt of the screw rod, the middle lower part of the screw rod is in threaded connection with a threaded hole arranged in the middle of the outer side of the lower clamping plate, and the inner sides of the lower parts of the upper clamping plate and the lower part of the lower clamping plate are respectively glued with an anti-skid layer; the part collecting box structure capable of being pulled is connected with the side frame; the rotatable adjusting rod structure is connected with the adjustable limiting pipe structure; the part collecting box structure capable of being pulled comprises a collecting box, wherein an adsorption sheet is inlaid on the upper side of the bottom inside the collecting box, the left side and the right side of the collecting box are respectively connected with a moving seat through bolts, an inserting rod is inserted into the moving seat, and the outer side of the inserting rod is respectively connected with a U-shaped fixed rod through bolts.

Preferably, the collecting box is arranged at the lower part of the falling groove.

Preferably, the two U-shaped fixing rods are respectively bolted to the middle upper sides of the inner sides of the two side frames.

Preferably, the rotatable regulation pole structure include rectangular frame, rectangular frame's the inside left and right sides bolted connection respectively have the inside platform of filling up, rectangular frame's the upper portion left and right sides bolted connection respectively has the support frame, the inside bolted connection of through-hole that the upper portion of support frame was seted up has fixed pipe, wherein the left side the inside bearing of fixed pipe be connected with the regulation pole, and the left side the left end bolted connection of regulation pole have a hand wheel, the right side the inside of fixed pipe peg graft and have the regulation pole, and the right side fixed pipe with the right side the regulation pole pass through adjusting bolt fastening connection and set up.

Preferably, the rectangular frame is bolted to the upper part of the base.

Preferably, adjustable spacing tubular construction include spacing pipe, set up around two the left and right sides between the spacing pipe respectively bolted connection have a side lever, the middle part left and right sides of spacing pipe has cup jointed side plate and spring from inside to outside in proper order respectively, wherein side plate and spring bolted connection set up, and the outer end of spring is provided with and keeps off the pipe, keeps off pipe and spacing union coupling setting.

Compared with the prior art, the utility model has the beneficial effects that:

1. according to the utility model, the collection box, the adsorption sheet, the movable seat, the insertion rod and the U-shaped fixing rod are arranged, so that the collection of the dropped parts is facilitated.

2. In the utility model, the rectangular frame, the inner cushion table, the support frame, the fixing pipe, the adjusting rod, the hand wheel and the adjusting bolt are arranged, so that the angle of the circuit board can be adjusted.

3. In the utility model, the arrangement of the limiting pipe, the side rod, the side clamping plate, the spring and the baffle pipe is favorable for clamping circuit boards with different sizes.

4. According to the utility model, the arrangement of the side frame, the fixed square rod and the fastening bolt is beneficial to mounting and fixing the side frame.

5. According to the utility model, the arrangement of the lower clamping plate is beneficial to placing the circuit board.

6. According to the utility model, the arrangement of the upper clamping plate, the screw rod and the nut is beneficial to clamping circuit boards with different thicknesses.

7. According to the utility model, the arrangement of the anti-slip layer is beneficial to improving the fastening firmness degree.

Drawings

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

Fig. 2 is a schematic structural view of the drawable parts collection box structure of the present invention.

Fig. 3 is a schematic structural view of the rotatable adjusting lever structure of the present invention.

Fig. 4 is a schematic structural view of an adjustable limit tube structure of the present invention.

In fig. 1 to 4:

1. a base; 2. a dropping groove is formed; 3. a side frame; 4. fixing the square rod; 5. fastening a bolt; 6. a lower splint; 7. an upper splint; 8. a screw; 9. a nut; 10. an anti-slip layer; 11. the part collecting box structure can be pulled; 111. a collection box; 112. an adsorption sheet; 113. a movable seat; 114. inserting a rod; 115. a U-shaped fixing rod; 12. a rotatable adjusting rod structure; 121. a rectangular frame; 122. an inner cushion table; 123. a support frame; 124. a fixed tube; 125. adjusting a rod; 126. a hand wheel; 127. adjusting the bolt; 13. the structure of the limiting pipe can be adjusted; 131. a limiting pipe; 132. a side lever; 133. a side clamping plate; 134. a spring; 135. and (4) blocking the pipe.

Detailed Description

The utility model is described in detail below with reference to the attached drawing figures:

as shown in fig. 1 and 2, the circuit board testing tool fixture comprises a base 1 and a lower clamp plate 6, wherein a dropping groove 2 is formed in the middle of the base 1, the left side and the right side of the lower portion of the base 1 are respectively connected with a side frame 3 through bolts, a fixed square rod 4 is inserted into a groove formed in the lower portion of the side frame 3, and the side frame 3 and the fixed square rod 4 are fixedly connected through a fastening bolt 5; two the upper portion of lower plate 6 be provided with punch holder 7 respectively, the through-hole inner bearing that the outside middle part of punch holder 7 was seted up is connected with screw rod 8, the upper end bolted connection of screw rod 8 has nut 9, and the screw hole threaded connection that the middle and lower part of screw rod 8 and the outside middle part of lower plate 6 were seted up sets up, rotate screw rod 8 through nut 9, screw rod 8 drives punch holder 7 relative lower plate 6 and upwards perhaps moves down to the circuit board of fixed different thickness, wherein the inboard upper portion inboard with lower plate 6 of the lower part of punch holder 7 all splices there is skid resistant course 10.

The circuit board testing tool fixture further comprises a part collecting box structure 11 capable of being pulled, a rotatable adjusting rod structure 12 and an adjustable limiting tube structure 13, wherein the part collecting box structure 11 capable of being pulled is connected with the side frame 3; the rotatable adjusting rod structure 12 is connected with an adjustable limiting pipe structure 13.

Can pull part collection box structure 11 including collecting box 111, the inside bottom upside of collection box 111 inlay and have absorption piece 112, in the circuit board test process, the part that drops gets into inside collection box 111, absorption piece 112 adsorbs the iron part, the possibility that the part dropped and loses has been reduced, the left and right sides of collecting box 111 bolted connection respectively has removal seat 113, the inside of removing seat 113 is pegged graft and is had inserted bar 114, and there is U type dead lever 115 in the outside of inserted bar 114 difference bolted connection, box 111 is collected in the forward pulling, collect box 111 and move forward along inserted bar 114 through removing seat 113, be convenient for take out the part.

In this embodiment, and as shown in fig. 3, the rotatable adjustment lever structure 12 includes a rectangular frame 121, the left and right sides of the inside of the rectangular frame 121 are respectively connected with an inner cushion platform 122 through bolts, the left and right sides of the upper part of the rectangular frame 121 are respectively connected with a support frame 123 through bolts, a through hole arranged at the upper part of the support frame 123 is internally connected with a fixed pipe 124 through bolts, wherein the inner bearing of the left fixed tube 124 is connected with an adjusting rod 125, the left end bolt of the left adjusting rod 125 is connected with a hand wheel 126, the inner part of the right fixed tube 124 is inserted with the adjusting rod 125, the right fixing tube 124 and the right adjusting rod 125 are fastened and connected by an adjusting bolt 127, after the circuit board is clamped, the adjusting bolt 127 is loosened, the adjusting rod 125 is rotated by the handwheel 126 to adjust the inclination angle of the circuit board, and the adjusting bolt 127 is tightened after the adjustment.

In this embodiment, as shown in fig. 4, the adjustable limiting tube structure 13 includes a limiting tube 131, two front and back limiting tubes 131 are respectively bolted with a side rod 132 on the left and right sides, the limiting tube 131 is respectively sleeved with a side clamp 133 and a spring 134 on the left and right sides of the middle portion from inside to outside, wherein the side clamp 133 and the spring 134 are bolted, an operator pushes the side clamp 133 to the outside, a circuit board is placed on the upper portion between the two lower clamps 6, the side clamp 133 is released, the circuit board is pressed by the side clamp 133 under the elastic force of the spring 134, the outer end of the spring 134 is provided with a baffle tube 135, the baffle tube 135 is screwed with the limiting tube 131, by rotating the baffle tube 135, the positions of the side clamp 133 and the spring 134 when the circuit board is clamped are conveniently adjusted, by adjusting the position of the spring 134, and because the spring 134 has a certain compression length, thereby facilitating the fixing of circuit boards of different sizes.

In this embodiment, specifically, the inner ends of the two adjusting rods 125 are respectively bolted to the outer middle parts of the two side rods 132.

In this embodiment, specifically, the two left side clamping plates 133 are respectively bolted to the front and rear sides of the lower portion of the left lower clamping plate 6.

In this embodiment, specifically, the two right side clamping plates 133 are respectively bolted to the front and rear sides of the lower portion of the right side lower clamping plate 6.

In this embodiment, specifically, the anti-slip layer 10 is a rubber layer, which has an anti-slip effect and reduces the wear to the circuit board.

In this embodiment, specifically, the adsorption sheet 112 is a magnet sheet; the movable base 113 is an aluminum alloy base with a through hole formed therein.

In this embodiment, specifically, the inner pad table 122 is made of PVC plastic with a triangular longitudinal section.

In this embodiment, specifically, the side clamping plate 133 is a rectangular aluminum alloy seat with a through hole therein; the spring 134 is a stainless steel spring; the baffle pipe 135 adopts an internal thread flanging pipe.

Principle of operation

In the utility model, an operator pushes the side clamping plates 133 outwards, places the circuit board at the upper part between the two lower clamping plates 6, releases the side clamping plates 133, the side clamping plates 133 tightly push the circuit board under the action of the elastic force of the springs 134, the positions of the side clamping plates 133 and the springs 134 when clamping the circuit board are convenient to adjust by rotating the baffle pipes 135, and the positions of the springs 134 are convenient to adjust, and the springs 134 have certain compression length, so that the circuit boards with different sizes are convenient to fix; the screw 8 is rotated through the nut 9, and the screw 8 drives the upper clamping plate 7 to move upwards or downwards relative to the lower clamping plate 6, so that circuit boards with different thicknesses are fixed; in the process of testing the circuit board, the dropped parts enter the collecting box 111, the iron parts are absorbed by the absorbing sheets 112, the possibility of dropping and losing the parts is reduced, the collecting box 111 is pulled forwards, and the collecting box 111 moves forwards along the inserting rod 114 through the moving seat 113 so as to be convenient for taking out the parts; after the circuit board is clamped, the adjusting bolt 127 is loosened, the adjusting rod 125 is rotated through the handwheel 126, so that the inclination angle of the circuit board is adjusted, and the adjusting bolt 127 is screwed after the adjustment is completed.

The technical solutions of the present invention or similar technical solutions designed by those skilled in the art based on the teachings of the technical solutions of the present invention are all within the scope of the present invention.

Claims

1. The circuit board testing tool clamp is characterized by comprising a base (1), a lower clamping plate (6), a part collecting box structure (11) capable of being pulled, a rotatable adjusting rod structure (12) and an adjustable limiting tube structure (13), wherein a dropping groove (2) is formed in the middle of the base (1), side frames (3) are respectively bolted on the left side and the right side of the lower portion of the base (1), a fixed square rod (4) is inserted in a groove formed in the lower portion of each side frame (3), and the side frames (3) and the fixed square rods (4) are fixedly connected through fastening bolts (5); the upper parts of the two lower clamping plates (6) are respectively provided with an upper clamping plate (7), the inner bearing of a through hole formed in the middle part of the outer side of each upper clamping plate (7) is connected with a screw rod (8), the upper end of each screw rod (8) is connected with a nut (9) through a bolt, the middle lower part of each screw rod (8) is in threaded connection with a threaded hole formed in the middle part of the outer side of each lower clamping plate (6), and the inner side of the lower part of each upper clamping plate (7) and the inner side of the upper part of each lower clamping plate (6) are both glued with an anti-skid layer (10); the part collecting box structure (11) capable of being pulled is connected with the side frame (3); the rotatable adjusting rod structure (12) is connected with an adjustable limiting pipe structure (13); the part collecting box structure (11) capable of being pulled comprises a collecting box (111), an adsorption sheet (112) is inlaid on the upper side of the bottom inside the collecting box (111), the left side and the right side of the collecting box (111) are respectively connected with a moving seat (113) through bolts, an inserting rod (114) is inserted into the moving seat (113), and the outer side of the inserting rod (114) is respectively connected with a U-shaped fixing rod (115) through bolts.

2. A circuit board testing tool fixture according to claim 1, characterised in that the collecting box (111) is arranged at the lower part of the drop chute (2).

3. The circuit board testing tool clamp as claimed in claim 1, wherein the two U-shaped fixing rods (115) are respectively bolted to the middle upper sides of the inner sides of the two side frames (3).

4. The circuit board testing tool clamp of claim 1, wherein the rotatable adjustment lever structure (12) comprises a rectangular frame (121), the left side and the right side of the interior of the rectangular frame (121) are respectively connected with an inner cushion platform (122) through bolts, the left side and the right side of the upper portion of the rectangular frame (121) are respectively connected with a support frame (123) through bolts, a through hole arranged on the upper portion of the support frame (123) is internally connected with a fixed pipe (124) through bolts, wherein the inner bearing of the fixed pipe (124) at the left side is connected with an adjusting rod (125), the left end of the adjusting rod (125) at the left side is connected with a hand wheel (126) through a bolt, the adjusting rod (125) is inserted in the fixing tube (124) at the right side, and the right fixed pipe (124) and the right adjusting rod (125) are fixedly connected through an adjusting bolt (127).

5. A circuit board testing tool clamp according to claim 4, characterized in that the rectangular frame (121) is bolted to the upper part of the base (1).

6. The circuit board testing tool clamp according to claim 1, wherein the adjustable limiting pipe structure (13) comprises limiting pipes (131), side rods (132) are respectively bolted on the left side and the right side between the two front-back limiting pipes (131), side clamping plates (133) and springs (134) are respectively sleeved on the left side and the right side of the middle of each limiting pipe (131) from inside to outside in sequence, the side clamping plates (133) and the springs (134) are connected through bolts, the outer ends of the springs (134) are provided with baffle pipes (135), and the baffle pipes (135) are in threaded connection with the limiting pipes (131).