CN219577423U - Positioning fixture for potentiometer processing - Google Patents

Abstract

The utility model provides a positioning clamp for potentiometer processing, and relates to the technical field of potentiometer processing. The positioning fixture for potentiometer processing comprises a bottom plate, two slide rails are fixedly connected to two sides of the top of the bottom plate, two fixing plates are arranged between the slide rails, a mounting plate is fixedly connected to the top of the fixing plates, two clamping plates are hinged to the top of the mounting plate, a push plate is arranged between the clamping plates, guide rods are fixedly connected to the bottoms of two ends of the push plate, sliding grooves are formed in the two clamping plates, and the two guide rods penetrate through the two sliding grooves respectively and are in sliding connection with the two sliding grooves. This positioning fixture is used in potentiometre processing to make the clamp plate carry out spacingly to the circuit board, conveniently install the potentiometre, make two splint carry out the centre gripping to the potentiometre, and air cushion and potentiometre shell laminating, extrude the air cushion, improve the fixed effect to the potentiometre.

Description

Positioning fixture for potentiometer processing

Technical Field

The utility model relates to a positioning fixture, in particular to a positioning fixture for potentiometer processing, and belongs to the technical field of potentiometer processing.

Background

The potentiometer is a resistor element with three leading-out ends and the resistance value of the resistor element can be adjusted according to a certain change rule. Potentiometers are generally composed of a resistor body and a movable brush. When the brush moves along the resistor, a resistance value or voltage which has a certain relation with the displacement is obtained at the output end. The potentiometer belongs to an electronic component, and is as need to be welded in a circuit board to form a circuit structure as an electronic component with a small common volume. Because the potentiometer is large in size and integrally protrudes out of the PCB, the potentiometer is completely fixed by hands during welding, errors are large due to manual positioning, and hands shake easily, so that the welding quality of pins of the potentiometer is low.

The disclosed document CN206343816U relates to a potentiometer positioning clamp, which comprises a base, wherein two convex strips which are symmetrically arranged are arranged on the base, and a containing space is formed between the base and the two convex strips; more than one welding station is arranged in the accommodating space, the welding station comprises a positioning hole arranged on the base and a spring arranged in the positioning hole, the outer diameter of the spring is similar to the diameter of the positioning hole, the top of the spring is higher than the top surface of the base, and the top of the spring is lower than the raised strip; the base is provided with buckles for fixing the PCB respectively on two sides of the accommodating space. After the PCB is pressed on the potentiometer by the supporting function of the spring to the potentiometer, the potentiometer can be tightly attached to the potentiometer, the relative positions of the potentiometer and the potentiometer are not easy to change, and the welding quality of the pins of the potentiometer is ensured.

Above-mentioned scheme when using, utilize the supporting role of spring to the potentiometre, press the PCB board back on the potentiometre, make the potentiometre hug closely with the potentiometre, but when fixing the circuit board, inconvenient fixed according to the size of circuit board to when fixing the potentiometre, use the spring to carry out spacingly, its stability is relatively poor.

Disclosure of Invention

The present utility model has been made to solve the above problems, and an object of the present utility model is to provide a positioning jig for processing a potentiometer, which solves the problems of the prior art that it is inconvenient to fix a circuit board according to the size of the circuit board and that the stability is poor because a spring is used to limit the potentiometer when the potentiometer is fixed.

In order to achieve the above purpose, the utility model is realized by the following technical scheme: the positioning fixture for potentiometer processing comprises a bottom plate, slide rails are fixedly connected to two sides of the top of the bottom plate, two fixing plates are arranged between the slide rails, a mounting plate is fixedly connected to the top of the fixing plates, two clamping plates are hinged to the top of the mounting plate, a push plate is arranged between the clamping plates, guide rods are fixedly connected to the bottoms of two ends of the push plate, sliding grooves are formed in the two clamping plates, and the two guide rods penetrate through the two sliding grooves and are in sliding connection with the two sliding grooves respectively.

Preferably, the mounting panel top fixedly connected with cylinder, cylinder output fixedly connected with fixed block, fixed block and push pedal fixed connection make the cylinder start and drive the fixed block and remove.

Preferably, the front side of the fixed block is fixedly connected with a connecting plate, and the front side of the connecting plate is fixedly connected with an air cushion, so that the connecting plate drives the air cushion to move, and the air cushion supports the potentiometer.

Preferably, two slide rail both ends fixedly connected with curb plate, two the inside threaded rod that all rotates of slide rail is connected with, two the threaded rod all runs through the curb plate and rotates with the curb plate to be connected, the inside both ends of slide rail are sliding connection respectively has screw thread piece and slider.

Preferably, the threaded rod penetrates through the threaded block and is in threaded connection with the threaded block, the threaded rod penetrates through the sliding blocks and is in sliding connection with the sliding blocks, the two sliding blocks and the threaded rod are reversely arranged, the threaded rod drives the threaded block to move when rotating, and the sliding blocks can move outside the threaded block.

Preferably, the fixed plate is fixedly connected between the two threaded blocks and the sliding block, a through groove is formed in the fixed plate, and an adjusting block is arranged in the through groove of the fixed plate, so that the adjusting block slides in the fixed plate and adjusts the position.

Preferably, the movable plate is fixedly connected to the top of the adjusting block, bolts are rotatably connected to the movable plate and the inside of the adjusting block, nuts are fixedly connected to the bottom of the adjusting block, the bolts penetrate through the nuts and are in threaded connection with the nuts, and a pressing plate is fixedly connected to the bottom end of the nuts, so that the bolts are rotated to descend, and the pressing plate supports the circuit board.

The utility model provides a positioning fixture for potentiometer processing, which has the following beneficial effects:

this positioning fixture is used in potentiometre processing is through placing the circuit board at the bottom plate top to make two threaded rods rotate, thereby make two threaded rods drive two screw thread pieces respectively and remove, make the screw thread piece slide inside the slide rail, drive fixed plate and slider when the screw thread piece removes, make the slider slide inside another slide rail, improve stability, make two fixed plates remove the position of potentiometre, and make the regulating block slide inside the fixed plate, make the space on fixed plate and the circuit board correspond, rotate the bolt and make the bolt remove inside the nut, make the bolt descend and drive the clamp plate and descend, thereby make the clamp plate spacing the circuit board, the convenience is installed the potentiometre.

This positioning fixture for potentiometre processing is spacing the back to the circuit board, start through the cylinder and drive the fixed block and remove to make the fixed block drive the connecting plate and remove, drive the air cushion and remove when the connecting plate removes, make air cushion and potentiometre shell contact, and drive the push pedal and remove when the fixed block removes, make the push pedal drive two guide arms and remove, guide arm sliding connection is inside splint, make the guide arm drive two splint and deflect, thereby make two splint carry out the centre gripping to the potentiometre, and air cushion and potentiometre shell laminating, extrude the air cushion, improve the fixed effect to the potentiometre.

Drawings

The utility model is further described below with reference to the accompanying drawings:

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a schematic view of the structure of the push plate of the present utility model;

FIG. 3 is a schematic view of a moving plate according to the present utility model;

fig. 4 is a schematic structural view of the sliding rail of the present utility model.

In the figure: 1. a bottom plate; 2. a slide rail; 3. a screw block; 4. a slide block; 5. a threaded rod; 6. a fixing plate; 7. a mounting plate; 8. a clamping plate; 9. a cylinder; 10. a fixed block; 11. a push plate; 12. a connecting plate; 13. a guide rod; 14. a moving plate; 15. an adjusting block; 16. a bolt; 17. a screw cap; 18. a side plate; 19. an air cushion; 20. and (5) pressing plates.

Detailed Description

The embodiment of the utility model provides a positioning fixture for potentiometer processing.

Referring to fig. 1, 2, 3 and 4, the sliding rail type sliding plate comprises a bottom plate 1, two sides of the top of the bottom plate 1 are fixedly connected with sliding rails 2, two ends of each sliding rail 2 are fixedly connected with side plates 18, threaded rods 5 are rotatably connected with the interiors of the two sliding rails 2, each threaded rod 5 penetrates through the side plates 18 and is rotatably connected with the side plates 18, two ends of the interiors of the sliding rails 2 are respectively and slidably connected with a threaded block 3 and a sliding block 4, each threaded rod 5 penetrates through the threaded block 3 and is in threaded connection with the threaded block 3, the two sliding blocks 4 and the threaded rods 5 are reversely arranged, the threaded rods 5 drive the threaded blocks 3 to move during rotation and enable the sliding blocks 4 to move outside the threaded blocks 3, two fixing plates 6 are arranged between the two sliding rails 2, the fixing plates 6 are fixedly connected between the two threaded blocks 3 and the sliding blocks 4, through grooves are formed in the fixing plates 6, the fixed plate 6 is internally provided with an adjusting block 15 through a groove, the adjusting block 15 slides in the fixed plate 6, the adjusting position is adjusted, the top of the fixed plate 6 is fixedly connected with a mounting plate 7, the top of the mounting plate 7 is hinged with two clamping plates 8, a push plate 11 is arranged between the two clamping plates 8, the bottoms of the two ends of the push plate 11 are fixedly connected with guide rods 13, the interiors of the two clamping plates 8 are respectively provided with a sliding groove, the two guide rods 13 respectively penetrate through the two sliding grooves and are in sliding connection with the two sliding grooves, the top of the mounting plate 7 is fixedly connected with an air cylinder 9, the output end of the air cylinder 9 is fixedly connected with a fixed block 10, the fixed block 10 is fixedly connected with the push plate 11, the air cylinder 9 is started to drive the fixed block 10 to move, the front side of the fixed block 10 is fixedly connected with a connecting plate 12, the front side of the connecting plate 12 is fixedly connected with an air cushion 19, the connecting plate 12 drives the air cushion 19 to move, so that the air cushion 19 supports the potentiometer.

The top fixedly connected with movable plate 14 of regulating block 15, the inside rotation of movable plate 14 and regulating block 15 is connected with bolt 16, and regulating block 15 bottom fixedly connected with nut 17, bolt 16 run through nut 17 and with nut 17 threaded connection, nut 17 bottom fixedly connected with clamp plate 20 makes the rotation of bolt 16 descend to make clamp plate 20 support the circuit board.

Specifically, the circuit board is placed at the top of the bottom plate 1, and the two threaded rods 5 are made to rotate, so that the two threaded rods 5 respectively drive the two threaded blocks 3 to move, the threaded blocks 3 slide in the sliding rail 2, the fixed plate 6 and the sliding block 4 are driven to move when the threaded blocks 3 move, the sliding block 4 slide in the other sliding rail 2, stability is improved, the two fixed plates 6 move to the position of the potentiometer, the adjusting block 15 slides in the fixed plate 6, the fixed plate 6 corresponds to a space on the circuit board, the bolt 16 is rotated, the bolt 16 moves in the nut 17, the bolt 16 descends to drive the pressing plate 20 to descend, the pressing plate 20 limits the circuit board, and the potentiometer is convenient to install.

After limiting a circuit board, the fixed block 10 is started to move through the air cylinder 9, the fixed block 10 drives the connecting plate 12 to move, the air cushion 19 is driven to move when the connecting plate 12 moves, the air cushion 19 is in contact with the potentiometer shell, the push plate 11 is driven to move when the fixed block 10 moves, the push plate 11 drives the two guide rods 13 to move, the guide rods 13 are slidably connected inside the clamping plates 8, the guide rods 13 drive the two clamping plates 8 to deflect, so that the two clamping plates 8 clamp the potentiometer, the air cushion 19 is attached to the potentiometer shell, the air cushion 19 is extruded, and the fixing effect on the potentiometer is improved.

The foregoing has shown and described the basic principles and main features of the present utility model and the advantages of the present utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims (7)

1. Positioning fixture is used in potentiometre processing, including bottom plate (1), its characterized in that: the utility model discloses a bottom plate, including bottom plate (1), slide rail (2), fixed plate (6), mounting panel (7), push pedal (11) are provided with between clamp plate (8), push pedal (11) both ends bottom all fixedly connected with guide arm (13), two the spout has all been seted up to clamp plate (8) inside, two guide arm (13) run through two spouts respectively and with two spout sliding connection.

2. The positioning jig for potentiometer processing according to claim 1, wherein: the top of the mounting plate (7) is fixedly connected with an air cylinder (9), the output end of the air cylinder (9) is fixedly connected with a fixed block (10), and the fixed block (10) is fixedly connected with a push plate (11).

3. The positioning jig for potentiometer processing according to claim 2, wherein: the front side of the fixed block (10) is fixedly connected with a connecting plate (12), and the front side of the connecting plate (12) is fixedly connected with an air cushion (19).

4. The positioning jig for potentiometer processing according to claim 1, wherein: two slide rail (2) both ends fixedly connected with curb plate (18), two the inside all rotation of slide rail (2) is connected with threaded rod (5), two threaded rod (5) all run through curb plate (18) and rotate with curb plate (18) to be connected, the inside both ends of slide rail (2) are sliding connection respectively has screw thread piece (3) and slider (4).

5. The positioning jig for potentiometer making according to claim 4, wherein: threaded rod (5) run through screw thread piece (3) and with screw thread piece (3) threaded connection, threaded rod (5) run through slider (4) and with slider (4) sliding connection, two slider (4) and threaded rod (5) reverse setting.

6. The positioning jig for potentiometer processing according to claim 1, wherein: the fixing plate (6) is fixedly connected between the two threaded blocks (3) and the sliding block (4), a through groove is formed in the fixing plate (6), and an adjusting block (15) is arranged in the through groove of the fixing plate (6).

7. The positioning jig for potentiometer processing according to claim 6, wherein: the adjustable hydraulic lifting device is characterized in that a movable plate (14) is fixedly connected to the top of the adjusting block (15), bolts (16) are rotatably connected to the movable plate (14) and the inside of the adjusting block (15), nuts (17) are fixedly connected to the bottom of the adjusting block (15), the bolts (16) penetrate through the nuts (17) and are in threaded connection with the nuts (17), and pressing plates (20) are fixedly connected to the bottom ends of the nuts (17).