Piezoresistor coating device

Abstract

The utility model discloses a piezoresistor coating device which comprises a spraying box and a fixed seat, a fixed semi-ring is arranged on the outer wall of the bottom of the fixed seat, a lead screw nut seat is connected in the fixed seat in a sliding mode, and a movable semi-ring located at the bottom of the fixed seat is arranged on the outer wall of the bottom of the lead screw nut seat. A transmission lead screw is rotationally connected to the inner wall of the fixing base through a bearing, the transmission lead screw penetrates through the interior of the lead screw nut base in a threaded mode, and a rotating disc is arranged at the end, located outside the fixing base, of the transmission lead screw. The rotary table is rotated to drive the transmission lead screw to rotate and be in threaded connection with the lead screw nut seat, so that the lead screw nut seat can drive the movable semi-ring to move towards the fixed semi-ring, the fixed semi-ring is matched with the movable semi-ring, pins of the piezoresistors can be clamped and fixed, and the fixing seat can fix a plurality of piezoresistors at the same time. The piezoresistors do not need to be fixed one by one, the working efficiency is improved, and when the transmission lead screw does not rotate, the elastic force of the spring can push the sliding block and the insertion block to move.

Description

Technical Field

[0001] The utility model relates to the technical field of varistor, in particular to a varistor coating device. Background Art

[0002] "Varistor" is a resistor device with nonlinear volt-ampere characteristics. It is mainly used to clamp voltage when the circuit is subjected to overvoltage, absorbing excess current to protect sensitive devices. When processing the varistor, a coating device is required to apply paint to the outside of the bare silver chip of the varistor.

[0003] For example, a varistor chip wrapping layer coating device with announcement number CN209133288U and announcement date 2019.07.19 includes a chip coating pool, a first support plate and a second support plate are symmetrically arranged on the left and right sides of the top of the chip coating pool, and a fixed rod is symmetrically arranged on the upper and lower left sides of the top of the chip coating pool. A screw is arranged on one side close to the two groups of fixed rods, and the lower end of the screw is rotatably connected to the chip coating pool. The top of the fixed rod and the screw are both provided with a fixed support, the upper end of the screw is rotatably connected to the fixed support, the outer wall of the screw is screwed with a fixed plate, and the left side wall of the second support plate is symmetrically provided with a slide rail, and the left side wall of the slide rail is provided with a slide plate.

[0004] In the prior art, the varistor needs to be fixed before coating. However, when fixing the varistor, multiple varistors need to be fixed one by one, which is inefficient. Therefore, it is urgent to design a varistor coating device to solve the above problems. Utility Model Content

[0005] The purpose of the utility model is to provide a varistor coating device to solve the above-mentioned deficiencies in the prior art.

[0006] In order to achieve the above purpose, the present invention provides the following technical solutions:

[0007] The cam is secured to the bottom of the fixing plate and is adapted to engage with the guide rail when the fixing plate is engaged, and the guide rail is secured to the bottom of the fixing plate and is adapted to engage with the guide rail when the fixing plate is engaged.

[0008] Furthermore, a rotating rod is fixed to the outer wall of the top of the fixing seat by bolts, and the rotating rod is rotatably connected to the top of the spray box through a bearing, and a gear ring is welded to the outer wall of the top end of the rotating rod.

[0009] Furthermore, a protection box is fixed to the outer wall of the top of the spray box by means of bolts, and a motor is fixed to the outer wall of the top of the protection box by means of bolts.

[0010] Furthermore, a gear is provided on the output shaft of the motor, and the gear and the ring gear are meshed with each other.

[0011] Furthermore, a filter box is fixed to the outer wall of the top of the spray box by bolts, and a filter plate is inserted into the interior of the filter box.

[0012] Furthermore, a fan is fixed to the outer wall of one side of the filter box by means of bolts, and a through slot communicating with the filter box is provided on the top of the spray box.

[0013] Furthermore, a nozzle is provided on the inner wall of the spray box, a paint tank is provided on one side of the spray box, and a pump body is fixed to the outer wall of the top of the paint tank by bolts, a paint pipe is provided on the outer wall of one side of the spray box, and the nozzle is connected to the paint pipe, and the output end of the pump body is connected to the paint pipe through a pipeline.

[0014] In the above technical solution, the utility model provides a varistor coating device,

[0015] 1. By providing a fixed seat, a fixed half ring, a screw nut seat, a movable half ring, a transmission screw, a turntable, an arc block, a slider, an insert block, a slot, a pressing block, a guide rod, a spring and an arc slot, rotating the turntable drives the transmission screw to rotate and the screw nut seat thread, so that the screw nut seat can drive the movable half ring to move toward the fixed half ring, and the fixed half ring cooperates with the movable half ring to clamp and fix the pins of the varistor. The fixed seat can fix multiple varistors at the same time without fixing the varistors one by one, thereby improving work efficiency. When the transmission screw does not rotate, the elastic force of the spring can push the slider and the insert block to move, so that the insert block is inserted into the inside of the slot, which can fix the turntable and prevent the turntable and the transmission screw from rotating.

[0016] 2. Through the provided rotating rod, gear ring, protective box, motor and gear, the motor can drive the gear to rotate and engage with the gear ring, and the gear ring can drive the rotating rod and the fixed seat to rotate, so that the varistor on the fixed seat can be rotated and turned over, so as to facilitate spraying different sides of the varistor;

[0017] 3. Through the filter box, fan, filter plate and through slot, the fan can draw the flying paint into the interior of the filter box, and the filter plate can intercept the flying paint, preventing the paint from flying into the air and being inhaled by the staff, affecting their health. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments. Obviously, the drawings described below are only some embodiments recorded in the present invention. For ordinary technicians in this field, other drawings can also be obtained based on these drawings.

[0019] Figure 1 The present invention provides a three-dimensional structural diagram of a varistor coating device embodiment.

[0020] Figure 2 This is a schematic diagram of the internal structure of an embodiment of a varistor coating device of the present utility model.

[0021] Figure 3 This is a schematic diagram of the arc block structure provided by an embodiment of a varistor coating device of the utility model.

[0022] Figure 4 This is a schematic diagram of the arc groove structure provided in an embodiment of a varistor coating device of the utility model.

[0023] Figure 5 This is a schematic diagram of the filter box structure provided by an embodiment of a varistor coating device of the utility model.

[0024] Description of reference numerals:

[0025] 1. Spray box; 2. Fixed seat; 3. Fixed half ring; 4. Screw nut seat; 5. Moving half ring; 6. Transmission screw; 7. Turntable; 8. Arc block; 9. Slider; 10. Insert block; 11. Slot; 12. Press block; 13. Guide rod; 14. Spring; 15. Arc groove; 16. Rotating rod; 17. Ring gear; 18. Protective box; 19. Motor; 20. Gear; 21. Filter box; 22. Fan; 23. Filter plate; 24. Through slot; 25. Paint tube; 26. Spray nozzle; 27. Paint tank; 28. Pump body. DETAILED DESCRIPTION

[0026] In order to enable those skilled in the art to better understand the technical solution of the present invention, the present invention will be further described in detail below with reference to the accompanying drawings.

[0027] like Figure 1-5 As shown, a varistor coating device provided by an embodiment of the present invention includes a spray box 1 and a fixed seat 2, a fixed semi-ring 3 is provided on the outer wall of the bottom of the fixed seat 2, and a screw nut seat 4 is slidably connected to the inside of the fixed seat 2, a movable semi-ring 5 located at the bottom of the fixed seat 2 is provided on the outer wall of the bottom of the screw nut seat 4, a transmission screw 6 is rotatably connected to the inner wall of the fixed seat 2 through a bearing, and the transmission screw 6 is threadedly passed through the inside of the screw nut seat 4, a turntable 7 is provided on one end of the transmission screw 6 located outside the fixed seat 2, an arc block 8 is provided inside the turntable 7, and the fixed seat An arc-shaped groove 15 is formed on the outer wall of one end, and a slot 11 is formed inside the arc-shaped block 8. A slider 9 is slidably connected to the inside of the arc-shaped block 8, and an insert block 10 is integrally connected to the outer wall of the top of the slider 9. The insert block 10 is inserted into the inside of the slot 11. A pressing block 12 is provided on the outer wall of the top of the slider 9, and the pressing block 12 extends to the outside of the turntable 7. A guide rod 13 is provided on the inner wall of the arc-shaped block 8, and the slider 9 is slidably sleeved on the outside of the guide rod 13. A spring 14 connected to the slider 9 is provided on the inner wall of the arc-shaped block 8, and the spring 14 is sleeved on the outside of the guide rod 13.

[0028] The utility model provides a varistor coating device, including a spray box 1 and a fixed base 2, a fixed semi-ring 3 is provided on the outer wall of the bottom of the fixed base 2, and the interior of the fixed base 2 is slidably connected to the screw nut base 4, a movable semi-ring 5 located at the bottom of the fixed base 2 is provided on the outer wall of the bottom of the screw nut base 4, a transmission screw 6 is rotatably connected to the inner wall of the fixed base 2 through a bearing, and the transmission screw 6 threadedly passes through the interior of the screw nut base 4, a turntable 7 is provided at one end of the transmission screw 6 located outside the fixed base 2, an arc block 8 is provided inside the turntable 7, an arc groove 15 is opened on the outer wall of one end of the fixed base 2, and a slot 11 is provided inside the arc groove 15, a slider 9 is slidably connected to the interior of the arc block 8, and the slider 9 The outer wall of the top is integrally connected with an insert block 10, and the insert block 10 is inserted into the inside of the slot 11. A pressing block 12 is provided on the outer wall of the top of the slider 9, and the pressing block 12 extends to the outside of the turntable 7. A guide rod 13 is provided on the inner wall of the arc block 8, and the slider 9 is slidably sleeved on the outside of the guide rod 13. A spring 14 connected to the slider 9 is provided on the inner wall of the arc block 8, and the spring 14 is sleeved on the outside of the guide rod 13. Rotate the turntable 7 and the transmission screw 6, the transmission screw 6 will be threaded with the screw nut seat 4, which can enable the screw nut seat 4 to drive the movable half ring 5 to move toward the fixed half ring 3. The fixed half ring 3 cooperates with the movable half ring 5 to clamp and fix the pins of multiple varistors at a single time, thereby improving work efficiency.

[0029] By setting: rotating the turntable 7 drives the transmission screw 6 to rotate and thread with the screw nut seat 4, the screw nut seat 4 can drive the movable half ring 5 to move toward the fixed half ring 3, and the fixed half ring 3 cooperates with the movable half ring 5 to clamp and fix the pins of the varistor. The fixing seat 2 can fix multiple varistors at the same time without fixing the varistors one by one, thereby improving work efficiency. When the transmission screw 6 does not rotate, the elastic force of the spring 14 can push the slider 9 and the plug block 10 to move, so that the plug block 10 is inserted into the inside of the slot 11, which can fix the turntable 7 and prevent the turntable 7 and the transmission screw 6 from rotating.

[0030] In one embodiment provided by the present invention, Figure 2 As shown, a rotating rod 16 is fixed to the outer wall of the top of the fixed seat 2 by bolts, and the rotating rod 16 is rotatably connected to the top of the spray box 1 through a bearing, and a gear ring 17 is welded to the outer wall of the top of the rotating rod 16. When the gear ring 17 rotates, it will drive the rotating rod 16 and the fixed seat 2 to rotate.

[0031] In another embodiment provided by the present invention, Figure 1 and Figure 2 As shown, a protection box 18 is fixed to the outer wall of the top of the spray box 1 by bolts, and a motor 19 is fixed to the outer wall of the top of the protection box 18 by bolts. The protection box 18 can prevent workers from accidentally touching the gear 20 and the ring gear 17.

[0032] In another embodiment provided by the present invention, Figure 2 As shown, a gear 20 is provided on the output shaft of the motor 19 , and the gear 20 is meshed with the ring gear 17 . The motor 19 can drive the gear 20 to rotate and mesh with the ring gear 17 to rotate the ring gear 17 .

[0033] In one embodiment provided by the present invention, Figure 1 and Figure 5 As shown, a filter box 21 is fixed to the outer wall of the top of the spray box 1 by bolts, and a filter plate 23 is inserted into the interior of the filter box 21. The filter plate 23 can intercept and filter the flying paint.

[0034] In another embodiment provided by the present invention, Figure 5 As shown, a fan 22 is fixed to the outer wall of one side of the filter box 21 by bolts, and a through slot 24 communicating with the filter box 21 is provided on the top of the spray box 1. The fan 22 can draw the paint floating inside the spray box 1 into the interior of the filter box 21 through the through slot 24.

[0035] In another embodiment provided by the present invention, Figure 1 As shown, a nozzle 26 is provided on the inner wall of the spray box 1, a paint tank 27 is provided on one side of the spray box 1, and a pump body 28 is fixed to the outer wall of the top of the paint tank 27 by bolts, a paint tube 25 is provided on the outer wall of one side of the spray box 1, and the nozzle 26 is connected to the paint tube 25, and the output end of the pump body 28 is connected to the paint tube 25 through a pipeline. The pump body 28 can draw the paint inside the paint tank 27 into the interior of the nozzle 26 through the paint tube 25 to spray the bare silver chip at the bottom of the varistor pin.

[0036] Working principle: Insert the pins of multiple varistors between the matching fixed half ring 3 and the movable half ring 5 respectively, press the pressing block 12 to drive the slider 9 and the plug 10 to move, so that the plug 10 is removed from the inside of the slot 11, and then rotate the turntable 7 and the transmission screw 6. The transmission screw 6 will be threaded with the screw nut seat 4, which can enable the screw nut seat 4 to drive the movable half ring 5 to move toward the fixed half ring 3. The fixed half ring 3 cooperates with the movable half ring 5 to clamp and fix the pins of the varistor, so that the bare silver chip of the varistor is suspended at the bottom end of the pin. The fixing seat 2 can fix multiple varistors at the same time without fixing the varistors one by one, thereby improving work efficiency. After the rotation of the transmission screw 6 is completed, release the pressing block 12, and the elastic force of the spring 14 can push the slider 9 and the plug 10 to move, so that the plug 10 is inserted into the inside of another slot 11, which can fix the turntable 7 and prevent the turntable 7 and the transmission screw 6 from self-movement. The paint is then pumped into the filter box 21 and the filter plate 23 is used to intercept the paint, thereby preventing the paint from falling off between the fixed half ring 3 and the movable half ring 5.

[0037] The above description is merely illustrative of certain exemplary embodiments of the present invention. It goes without saying that those skilled in the art will be able to modify the described embodiments in various ways without departing from the spirit and scope of the present invention. Therefore, the above drawings and description are illustrative in nature and should not be construed as limiting the scope of protection of the claims of the present invention.

Claims

1. A varistor coating device, comprising a spray box (1) and a fixing seat (2), characterized in that: A fixed half ring (3) is provided on the outer wall of the bottom of the fixed seat (2), and a screw nut seat (4) is slidably connected to the interior of the fixed seat (2). A movable half ring (5) located at the bottom of the fixed seat (2) is provided on the outer wall of the bottom of the screw nut seat (4). A transmission screw (6) is rotatably connected to the inner wall of the fixed seat (2) through a bearing, and the transmission screw (6) is threadedly passed through the interior of the screw nut seat (4). A turntable (7) is provided at one end of the transmission screw (6) located outside the fixed seat (2), and an arc block (8) is provided inside the turntable (7). An arc groove (15) is provided on the outer wall of one end of the fixed seat (2), and the arc groove ( The inner side of the arc block (8) is provided with a slot (11), the inner side of the arc block (8) is slidably connected to the slider (9), and the outer wall of the top of the slider (9) is integrally connected with an insert block (10), and the insert block (10) is inserted into the inner side of the slot (11), and the outer wall of the top of the slider (9) is provided with a pressing block (12), and the pressing block (12) extends to the outside of the turntable (7), and the inner wall of the arc block (8) is provided with a guide rod (13), and the slider (9) is slidably sleeved on the outside of the guide rod (13), and the inner wall of the arc block (8) is provided with a spring (14) connected to the slider (9), and the spring (14) is sleeved on the outside of the guide rod (13).

2. A varistor coating device according to claim 1, characterized in that: A rotating rod (16) is fixed to the outer wall of the top of the fixing seat (2) by bolts, and the rotating rod (16) is rotatably connected to the top of the spray box (1) through a bearing, and a gear ring (17) is welded to the outer wall of the top of the rotating rod (16).

3. A varistor coating device according to claim 2, characterized in that: A protection box (18) is fixed to the outer wall of the top of the spray box (1) by means of bolts, and a motor (19) is fixed to the outer wall of the top of the protection box (18) by means of bolts.

4. A varistor coating device according to claim 3, characterized in that: A gear (20) is provided on the output shaft of the motor (19), and the gear (20) and the ring gear (17) are meshed with each other.

5. The varistor coating device according to claim 4, characterized in that: A filter box (21) is fixed to the outer wall of the top of the spray box (1) by means of bolts, and a filter plate (23) is inserted into the interior of the filter box (21).

6. The varistor coating device according to claim 5, characterized in that: A fan (22) is fixed to the outer wall of one side of the filter box (21) by means of bolts, and a through slot (24) communicating with the filter box (21) is provided on the top of the spray box (1).

7. The varistor coating device according to claim 6, characterized in that: A spray head (26) is provided on the inner wall of the spray box (1), a paint tank (27) is provided on one side of the spray box (1), and a pump body (28) is fixed to the outer wall of the top of the paint tank (27) by bolts, a paint pipe (25) is provided on the outer wall of one side of the spray box (1), and the spray head (26) is connected to the paint pipe (25), and the output end of the pump body (28) is connected to the paint pipe (25) through a pipeline.

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