CN204747946U - Take pressure sensor's forward pressure equipment diode anchor clamps - Google Patents

Abstract

The utility model discloses a take pressure sensor's forward pressure equipment diode anchor clamps, including pressure sensor, go up module no. 1, go up module no. 2, pressure head, stripper, spring, area shoulder guide pillar and polar plate locating pin part, go up the fixed slot), down the fixed slot rear place strong magnetism, pressure sensor places in the hole is placed to the sensor of last module no. 1, the aperture is greater than sensor external diameter 0.02 -0.04mm, it uses bolt -ups in last module no. 1 to go up module no. 2, its advantage is: these anchor clamps furthest's elimination correspond the unsafe factor of pressure numerical value that the hole decentraction leads to because of diode and polar plate. Draw -in groove formula push -and -pull retooling is taked to the retooling, and the fixed slot rear has strong magnetism, need not the screw fixation, and die change time has reduced 80%.

Description

Forward Press Diode Fixture with Pressure Sensor

technical field

The utility model relates to a press-fitting fixture, which belongs to the technical field of diode press-fitting, in particular to a forward-pressing diode clamp with a pressure sensor.

Background technique

At present, the press-fitting method of the diode press-fitting fixture with pressure sensor is: first, the diode is inverted and placed on the indenter in the hole of the lower die unloading plate, and then the polar plate is placed on the unloading plate, and the pressure sensor Placed at the bottom of the lower die indenter, the above press-fitting method has certain disadvantages: if the diode is to be successfully placed into the escape hole of the stripper plate, it means that the diameter of the escape hole of the stripper plate must be larger than the diameter of the diode; In this way, it is impossible for the diode to be concentric with the avoidance hole. In addition, due to the tolerance of the pole plate placed on the discharge plate, the position of the diode and the corresponding pole plate hole will be eccentric to varying degrees, which will lead to the pressure detected by the sensor. The input value is inaccurate, which leads to the loss of control of this project that requires key control, and there is a great risk in product quality. In addition, because the mold base is shared by multiple product cores, when replacing the cores, this structural fixture needs to remove 4 screws for the upper and lower molds, and the mold change time is too long, which affects the output.

Contents of the invention

Aiming at the problems existing in the above-mentioned prior art, the utility model provides a forward press-fit diode fixture with a pressure sensor. The inaccurate pressure value caused by the inaccurate pressure value of the diode and the corresponding hole of the plate makes the control of the diode press-in force more accurate. Accurate, reduce product quality risk.

In order to achieve the above purpose, the technical solution adopted by the utility model is: a forward press-fit diode fixture with a pressure sensor, including an upper mold frame, an upper fixing groove, a lower module, a lower fixing groove, a lower mold frame, an upper mold hard Limit, lower mold hard limit 1 and lower mold hard limit 2; the upper fixing groove is fastened on the upper mold frame with bolts, and the upper mold hard limit is set on both sides of the upper mold frame; the lower fixing groove is fixed on the lower mold frame with bolts On the mold base, the lower mold hard limit 1 and the lower mold hard limit 2 are set on both sides of the lower mold base;

It also includes pressure sensor, upper module 1, upper module 2, pressure head, unloading plate, spring, shoulder guide post and polar plate positioning pin, strong magnets are placed behind the upper and lower fixing grooves, and the pressure sensor is placed in the upper module 1. The sensor is placed in the hole, the aperture is 0.02-0.04mm larger than the outer diameter of the sensor; the upper module 2 is fastened to the upper module 1 with bolts; the pressure head is placed in the corresponding placement hole on the upper module 2, and the hole diameter is 0.03-0.03- 0.05mm, the diameter of the end of the pressure head is 0.4-0.6mm smaller than the diameter of the counterbore of the upper module 1 and the upper module 2; the unloading plate is fastened on the upper module 1 with equal-shoulder bolts, and the spring is sleeved outside the equal-shoulder bolts, with shoulder guides The column penetrates into the upper module 1 and the upper module 2 respectively, and the unloading plate is transitionally fitted with the upper module 1 and the upper module 2, and the gap fits with the unloading plate.

In a further design, a shouldered guide sleeve is arranged in the lower module and cooperates with the shouldered guide post.

In a further design, a mold handle is provided on the upper part of the lower and upper mold frame.

Compared with the existing mold: when the fixture is changing the mold, just pull out the mold core, which is convenient and fast; when in use, first place the pole plate on the lower module according to the positioning pin, and then put the diode lead down and place it on the In the plate press-fitting hole, start the press-fitting equipment, press down the upper mold, and the three shouldered guide pillars first enter the shouldered guide sleeve, and then the discharge plate contacts the pole plate, the spring contracts, and the discharge plate presses the pole plate Keep it from moving, the equipment continues to press down, the indenter contacts the diode and continues to press down. After the hard limit of the upper mold and the hard limit of the lower mold fit together, the pressure sensor detects the pressing force, and the press is completed. ; Eliminate the inaccurate factors of the pressure value caused by the inconcentricity of the diode and the corresponding hole of the plate to the greatest extent. The mold change adopts the slot-type push-pull mold change, and there is a strong magnet behind the fixing groove, no need for screw fixing, and the mold change time is reduced by 80%.

Description of drawings

Below in conjunction with accompanying drawing and embodiment the utility model is described further.

Fig. 1 is the structural representation of the utility model.

In the figure: 1. Upper mold frame, 2. Pressure sensor, 3. Upper fixing groove, 4. Upper module 1, 5. Upper module 2, 6. Pressure head, 7. Unloading plate, 8. Lower module, 9. Lower fixing groove, 10. Lower mold base, 11. Die handle, 12. Shoulder bolts, 13. Upper mold hard limit, 14. Spring, 15. Shoulder guide post, 16. Lower mold hard limit, 17. Guide sleeve with shoulder, 18. hard limiter of lower mold, 19. strong magnetism, 20. pole plate positioning pin, 21. diode.

Detailed ways

As shown in Figure 1, a forward press-fit diode fixture with a pressure sensor includes an upper mold frame 1, an upper fixing groove 3, a lower module 8, a lower fixing groove 9, a lower mold frame 10, and an upper mold hard limiter 13 1. The lower mold hard limit 16 and the lower mold hard limit 18; the upper fixing groove 3 is fastened on the upper mold frame 1 with bolts, and the upper mold hard limit 13 is arranged on both sides of the upper mold frame 1; the lower fixing groove 9 Use bolts to fix on the lower mold frame 10, and the lower mold hard limiter 16 and the lower mold hard limiter 2 18 are arranged on both sides of the lower mold frame 10; it also includes a pressure sensor 2, an upper module 1 4, an upper module 2 5, and a pressure head 6. Discharge plate 7, spring 14, shoulder guide post 15 and pole plate positioning pin 20, place strong magnet 19 behind upper fixing groove 3 and lower fixing groove 9, after upper module 14 is pushed in, strong magnet 19 will The upper module one 4 sucks to prevent its longitudinal displacement; the pressure sensor 2 is placed in the sensor placement hole of the upper upper module 4, and the hole diameter is 0.02-0.04mm larger than the outer diameter of the sensor; the upper module two 5 is fastened to the upper module one 4 by bolts Upper; the indenter 6 is placed in the corresponding placement hole on the upper module two 5, and the aperture is 0.03-0.05 mm larger than the outer diameter of the indenter 6 to ensure that the indenter 6 can slide freely; the diameter of the end of the indenter 6 is smaller than that of the upper module one 4 and The diameter of the counterbore of upper module 2 5 is 0.4-0.6 mm to prevent the pressure head 6 from touching the side wall of the counterbore during sliding; the unloading plate 7 is fastened to the upper module 1 4 with equal-shoulder bolts 12, and the spring 14 is set on the equal-shoulder Outside the bolt 12, the shouldered guide post 15 penetrates into the upper module one 4, the upper module two 5, the discharge plate 7 and the upper module one 4, the upper module two 5 for transitional fit respectively, and the clearance fit with the discharge plate 7.

A shouldered guide sleeve 17 is arranged in the lower module 8 and cooperates with the shouldered guide post 15 .

A mold handle 11 is arranged on the upper part of the upper mold frame 1 .

Working principle: When the fixture is changing the mold, just pull out the mold core, which is convenient and fast; when in use, first place the pole plate on the lower module 8 according to the positioning pin 20, and then put the diode 21 lead wire downward and place it on the pole In the plate press-fitting hole, start the press-fitting equipment, press down the upper die, and the three shouldered guide pillars 15 first enter the shouldered guide sleeve 17, then, the unloading plate 7 contacts the pole plate, the spring 14 contracts, and the unloading plate 7 Press the polar plate so that it does not shift, the equipment continues to press down, the pressure head 6 contacts the diode 21 and continues to press down, after the hard limit 13 of the upper mold and the hard limit 16 of the lower mold fit together, the pressure sensor 2 detects Pressing force, press-fitting is completed.

The utility model eliminates the factor of inaccurate pressure value caused by the inconcentricity of the diode and the corresponding hole of the pole plate to the greatest extent. The mold change adopts the slot-type push-pull mold change, and there is a strong magnet behind the fixing groove, no need for screw fixing, and the mold change time is reduced by 80%.

The forward press-fit diode clamp with pressure sensor of the present invention is not limited to the above-mentioned embodiment, obviously, the above-mentioned embodiment is only an example for clearly illustrating the present invention. It is not intended to limit the embodiments of the present utility model. For those skilled in the art, other changes or movements can be made on the basis of the above description. It is not necessary and impossible to exhaustively list all the implementation manners here. However, the obvious changes and modifications derived from the spirit of the present utility model are still within the scope of protection of the present utility model.

Claims (3)

1. A forward press-fit diode fixture with a pressure sensor, including an upper mold base (1), an upper fixing groove (3), a lower module (8), a lower fixing groove (9), a lower mold base (10), The upper mold hard limit (13), the lower mold hard limit one (16) and the lower mold hard limit two (18); the upper fixing groove (3) is fastened to the upper mold frame (1) with bolts, and the upper mold The hard limit (13) is set on both sides of the upper mold frame (1); the lower fixing groove (9) is fixed on the lower mold frame (10) with bolts, the lower mold hard limit one (16) and the lower mold hard limit two (18) Set on both sides of the lower mold base (10); it is characterized in that it also includes a pressure sensor (2), an upper module one (4), an upper module two (5), a pressure head (6), and a discharge plate (7 ), spring (14), shoulder guide post (15) and polar plate positioning pin (20), the upper fixing groove (3) and the lower fixing groove (9) are placed behind the strong magnet (19), and the pressure sensor (2) is placed In the sensor placement hole of the upper fixing groove (3), the hole diameter is 0.02-0.04mm larger than the outer diameter of the sensor; the upper module two (5) is fastened to the upper module one (4) with bolts; the pressure head (6) is placed on the upper In the corresponding placement hole on module 2 (5), the hole diameter is 0.03-0.05 mm larger than the outer diameter of the indenter (6), and the diameter of the end of the indenter (6) is smaller than the counterbore of upper module 1 (4) and upper module 2 (5) The diameter is 0.4-0.6mm; the unloading plate (7) is fastened on the upper module 1 (4) with equal-shoulder bolts (12), the spring (14) is set outside the equal-shoulder bolts (12), and the shoulder guide column (15 ) into the upper module 1 (4), upper module 2 (5), unloading plate (7) and the upper module 1 (4) and upper module 2 (5) for transition fit, and clearance fit with the unloading plate (7) . 2. The forward press-fit diode fixture with pressure sensor according to claim 1, characterized in that: the shoulder guide sleeve (17) is set in the lower module (8) and is connected with the shoulder guide column (15) co-operate. 3. The forward press-fit diode fixture with pressure sensor according to claim 1 or 2, characterized in that: a mold handle (11) is arranged on the upper part of the upper mold frame (1).