Piezoresistor coating equipment

Abstract

The utility model discloses piezoresistor coating equipment, which relates to the technical field of resistor coating, and comprises a machine body, a carrying disc is arranged in the machine body, spraying equipment is arranged above the carrying disc, a plurality of connecting strips are arranged in the carrying disc, a plurality of sponge parts for inserting power-sensitive pins are arranged in the connecting strips, and the sponge parts are connected with the spraying equipment. The end portions of the multiple connecting strips are all provided with connecting shafts, the multiple connecting shafts conduct transmission through a belt, and a deflection unit for driving the multiple connecting strips to rotate in the carrying disc is arranged outside the machine body. In the device, the area, covered by coating, of the surface of a resistor is enlarged, the spraying time of the piezoresistor is shortened, and the spraying efficiency of the piezoresistor is improved. And the coating efficiency and quality are improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to resistance coating technical field, concretely is a kind of varistor coating equipment. BACKGROUND

[0002] Varistor is a kind of nonlinear voltage-current characteristic resistor, mainly used for voltage clamping when circuit bears overvoltage, absorbs excess current to protect sensitive device, generally needs to be coated to varistor in production process.

[0003] At present, when coating varistor, it is usually inserted into fixed seat after inserting the lead of multiple resistance sheets and arranging neatly, after being placed into coating equipment, it is vertically sprayed from top to bottom by spraying equipment. This makes nozzle align with the side of resistance, and coating is difficult to cover the area close to the end of lead during spraying process, so it is necessary to lengthen the spraying time of varistor, which leads to low efficiency of coating.

[0004] Therefore, the utility model provides a kind of varistor coating equipment. UTILITY MODEL CONTENT

[0005] The utility model aims at providing a kind of varistor coating equipment to solve the problems raised in the above background technology. To achieve the above purpose, the utility model provides the following technical scheme: a kind of varistor coating equipment, including body, the inside of body is equipped with carrier disc, the top of carrier disc is equipped with spraying equipment, the inside of carrier disc is equipped with multiple connection strips, the inside of connection strip includes multiple sponge parts for inserting power sensitive lead, the end of multiple connection strips is equipped with connecting shaft, multiple connecting shafts are driven by belt, the outside of body is equipped with deflection unit for driving multiple connection strips to rotate in carrier disc.

[0006] Preferably, the deflection unit includes shaft body one at the end of connecting shaft, the outer wall of shaft body one is equipped with box body, the inside of box body is equipped with spring, the outer wall of box body is equipped with square box, one end of square box is equipped with shaft body two, the outer wall of shaft body two is equipped with flat gear, the lower side of flat gear is equipped with ring body, the outer wall of ring body includes gear row one engaged with flat gear, the inside of ring body is equipped with intermittent gear, the inner wall of ring body includes gear row two and gear row three engaged with each other, one side of intermittent gear is equipped with motor, the rotation shaft of motor is located in the inner wall of intermittent gear, the outer wall of ring body is equipped with connecting rod, the connecting rod is slidably connected with body by buckle.

[0007] Preferably, one side of ring body is equipped with bending rod, the end of bending rod is equipped with rotating plate, the inside of rotating plate is equipped with shaft body three, the end of rotating plate is in contact with the outer wall of carrier disc.

[0008] Preferably, the outer wall of the carrier disk includes two magnetic parts, one side of which is provided with a magnetic sheet, the magnetic sheet and the magnetic part having a magnetic force that attracts each other, and one side of which is provided with a telescopic rod, the other end of which is fixedly connected to the inner wall of the machine body.

[0009] Preferably, the telescopic rod has the ability to self-recover, and the attraction between the magnetic part and the magnetic sheet is greater than the recovery elasticity of the telescopic rod.

[0010] Preferably, a torsion spring is provided between the shaft and the rotating plate, and the spring force of the torsion spring causes the rotating plate to rotate at a 15-degree angle with the machine body wall under normal conditions.

[0011] This utility model has at least the following beneficial effects:

[0012] In this invention, the deflection unit drives the connecting strips to produce a repetitive deflection effect. Multiple connecting strips will drive the resistor sheet to rotate slightly in different directions, thereby expanding the area of ​​the resistor surface covered by the coating, reducing the spraying time of the varistor, and improving the coating efficiency and quality. Attached Figure Description

[0013] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0014] Figure 2 This is a sectional view of the fuselage structure of this utility model;

[0015] Figure 3 This utility model Figure 2 Enlarged view of the structure of region A in the middle;

[0016] Figure 4 This utility model Figure 2 Enlarged view of the structure of region B in the middle;

[0017] Figure 5 This is a cross-sectional view of the deflection unit structure of this utility model;

[0018] Figure 6 This utility model Figure 5 Enlarged view of the structure of region C in the middle;

[0019] Figure 7 This utility model Figure 5 Enlarged view of the structure of region D in the middle.

[0020] In the figure: 1 - fuselage; 2 - loading disc; 3 - spraying device; 4 - connecting strip; 5 - sponge part; 6 - connecting shaft; 7 - deflection unit; 8 - shaft body one; 9 - box body; 10 - spring; 11 - square box; 12 - shaft body two; 13 - flat gear; 14 - ring body; 15 - tooth row one; 16 - intermittent gear; 17 - tooth row two; 18 - tooth row three; 19 - motor; 20 - connecting rod; 21 - bent rod; 22 - rotating plate; 23 - shaft body three; 24 - magnetic part; 25 - magnetic sheet; 26 - telescopic rod; 27 - torsional spring. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0022] Please refer to Figures 1-7 The present application provides a technical solution: a pressure-sensitive resistor coating device, comprising:

[0023] The fuselage 1 is internally provided with a loading disc 2, the loading disc 2 is freely slidable inside the fuselage 1 through a sliding groove in the inner wall of the fuselage 1, the upper portion of the loading disc 2 is provided with a spraying device 3, the spraying device 3 is connected with an external coating supply machine, and the spraying device 3 can vertically spray the surface of the resistor below. The above belongs to the prior art, and thus will not be described in detail.

[0024] In the present application, the loading disc 2 is internally provided with a plurality of connecting strips 4, the connecting strips 4 internally include a plurality of sponge parts 5 for inserting pressure-sensitive resistor pins, both ends of the plurality of connecting strips 4 are provided with connecting shafts 6, the end portions of the connecting shafts 6 are fixedly connected with the connecting strips 4, the connecting shafts 6 are rotationally connected with the loading disc 2, the plurality of connecting shafts 6 are driven through a belt, the outer portion of the fuselage 1 is provided with a deflection unit 7 for driving the plurality of connecting strips 4 to rotate in the loading disc 2. Through the deflection unit 7, the plurality of connecting strips 4 are slightly rotated in opposite directions during the spraying process, thereby increasing the coverage range of the resistor surface spraying, reducing the spraying time of the pressure-sensitive resistor, and improving the coating efficiency.

[0025] The deflection unit 7 comprises a shaft body I 8 at the end of the connecting shaft 6, the end of the shaft body I 8 is fixedly connected with the connecting shaft 6, the outer wall of the shaft body I 8 is provided with a box body 9 and is slidably connected with the box body 9, meanwhile the box body 9 can drive the shaft body I 8 to rotate, the inside of the box body 9 is provided with a spring 10, the two ends of the spring 10 are fixedly connected with the shaft body I 8 and the inner wall of the box body 9 respectively, the outer wall of the box body 9 is provided with a square box 11, the end of the box body 9 is conical, the box body 9 is freely slid in the inside of the square box 11, one end of the square box 11 is provided with a shaft body II 12 and is fixedly connected with the shaft body II 12, the shaft body II 12 penetrates through the machine body 1 and is rotatably connected with the machine body 1.

[0026] The outer wall of the shaft body II 12 is provided with a flat gear 13 and is fixedly connected with the flat gear 13, the lower side of the flat gear 13 is provided with a ring body 14, the outer wall of the ring body 14 comprises a gear row I 15 which is engaged with the flat gear 13, the inside of the ring body 14 is provided with an intermittent gear 16, the inner wall of the ring body 14 comprises a gear row II 17 and a gear row III 18 which are engaged with the intermittent gear 16, one side of the intermittent gear 16 is provided with a motor 19, the motor 19 is fixedly connected with the outer wall of the machine body 1 through a fixing frame, the rotating shaft of the motor 19 is located at the inner wall of the intermittent gear 16, the outer wall of the ring body 14 is provided with a connecting rod 20 and is fixedly connected with the connecting rod 20, the connecting rod 20 is slidably connected with the machine body 1 through a buckle.

[0027] In use, the staff can first vertically insert a plurality of resistance pins into the sponge part 5 area of the connecting strip 4, then put the plurality of resistances into the inside of the machine body 1 by using the carrier disc 2, and then start the spraying equipment 3 at the top of the machine body 1 to spray the surface of the vertically placed resistance parts. In the process of inserting the carrier disc 2 into the sliding slot of the machine body 1, the tapered end of the box body 9 will be inserted into the inside of the square box 11, and the outer wall of the box body 9 and the inner wall of the square box 11 will be mutually fitted, at this time, the motor 19 is started to drive the intermittent gear 16 to engage and drive the gear row II 17, so that the intermittent gear 16 drives the gear row I 15 above the ring body 14 to engage with the flat gear 13, thereby driving the shaft body II 12, the square box 11, the box body 9, the shaft body I 8 and the connecting shaft 6 to rotate, and finally driving the connecting strip 4 to rotate; when the intermittent gear 16 loses engagement with the gear row II 17 and engages with the gear row III 18, the ring body 14 will slide in the opposite direction, thereby driving the connecting strip 4 to rotate a small distance in the opposite direction. By reciprocating, the connecting strip 4 will produce a repeated deflection effect, and since the number of gear blocks of the intermittent gear 16 is small, the angle of rotation of the connecting strip 4 is very small, so that the area of the resistance surface to be sprayed is enlarged, further improving the coating efficiency and quality.

[0028] Further, one side of the ring body 14 is provided with a bending rod 21, the overall shape of the bending rod 21 is L-shaped, the end of the bending rod 21 is provided with a rotating plate 22, the inside of the rotating plate 22 is provided with a shaft body three 23 and is rotationally connected with the same, the end of the shaft body three 23 is fixedly connected with the wall body of the fuselage 1, the end of the rotating plate 22 is in contact with the outer wall surface of the carrier disc 2, the shaft body three 23 and the rotating plate 22 are provided with a torsion spring 27, the two ends of the torsion spring 27 are fixedly connected with the shaft body three 23 and the rotating plate 22 respectively, the elastic force of the torsion spring 27 is in a normal state, the rotating rotating plate 22 and the wall body of the fuselage 1 form a fifteen-degree angle, the outer wall of the carrier disc 2 includes two magnetic parts 24, one side of the magnetic part 24 is provided with a magnetic sheet 25, the magnetic sheet 25 and the magnetic part 24 have a mutual attraction magnetic force, one side of the magnetic sheet 25 is provided with an extension rod 26 and is fixedly connected with the same, the other end of the extension rod 26 is fixedly connected with the inner wall of the fuselage 1, the extension rod 26 has a self-recovery ability, the attraction force of the magnetic part 24 and the magnetic sheet 25 is greater than the recovery elastic force of the extension rod 26.

[0029] In use, the bending rod 21 will displace with the ring body 14, and then drive the end of the bending rod 21 to resist the outer wall of the rotating plate 22, so that the rotating plate 22 rotates, and then the end of the rotating plate 22 will resist the outer wall of the carrier disc 2, so that the carrier disc 2 slides in the sliding groove of the fuselage 1 by a small distance, since the magnetic part 24 and the magnetic sheet 25 in this state are in an adsorbed state, therefore the carrier disc 2 will drive the magnetic sheet 25 to slide together, until the ring body 14 drives the end of the bending rod 21 to be separated from the surface of the rotating plate 22, the elastic force of the torsion spring 27 will make the position of the rotating plate 22 recover, at the same time, the recovery elastic force of the extension rod 26 will also make the magnetic sheet 25 drive the magnetic part 24 to return to the original position. In this way, the resistance sheet on the carrier disc 2 can be displaced by a small amount in the transverse direction while being deflected left and right, so that the surface of the resistance sheet can be covered with more paint, and the coating efficiency of the resistance sheet is further improved.

[0030] It should be noted that, in the present text, relational terms such as first and second and the like can only be used to distinguish one entity or operation from another entity or operation, without necessarily requiring or implying any such actual relationship or order between these entities or operations. Moreover, the terms "comprises", "comprising" or any other variant thereof are intended to cover non-exclusive inclusions, so that a process, method, article or apparatus including a series of elements not only includes those elements, but also includes other elements not explicitly listed or inherent to such a process, method, article or apparatus.

[0031] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present application, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A pressure-sensitive resistance coating device, comprising a machine body (1), the inside of the machine body (1) is provided with a carrier disc (2), the upper side of the carrier disc (2) is provided with a spraying device (3), characterized in that: The inside of the carrier disc (2) is provided with a plurality of connecting strips (4), the inside of the connecting strip (4) comprises a plurality of sponge parts (5) for inserting the sensitive pins, the end of the plurality of connecting strips (4) is provided with a connecting shaft (6), the plurality of connecting shafts (6) are driven by a belt, the outside of the fuselage (1) is provided with a deflection unit (7) for driving the plurality of connecting strips (4) to rotate in the carrier disc (2).

2. The variable resistance resistive coating apparatus of claim 1, wherein: The deflection unit (7) comprises a shaft body one (8) at the end of the connecting shaft (6), the outer wall of the shaft body one (8) is provided with a box body (9), the inside of the box body (9) is provided with a spring (10), the outer wall of the box body (9) is provided with a square box (11), one end of the square box (11) is provided with a shaft body two (12), the outer wall of the shaft body two (12) is provided with a flat gear (13), the lower side of the flat gear (13) is provided with a ring body (14), the outer wall of the ring body (14) comprises a gear row one (15) engaged with the flat gear (13), the inside of the ring body (14) is provided with an intermittent gear (16), the inner wall of the ring body (14) comprises a gear row two (17) and a gear row three (18) engaged with each other, one side of the intermittent gear (16) is provided with a motor (19), the rotating shaft of the motor (19) is located in the inner wall of the intermittent gear (16), the outer wall of the ring body (14) is provided with a connecting rod (20), the connecting rod (20) is slidably connected with the fuselage (1) by buckling.

3. The variable resistance resistive coating apparatus of claim 2, wherein: One side of the ring body (14) is provided with a bending rod (21), the end of the bending rod (21) is provided with a rotating plate (22), the inside of the rotating plate (22) is provided with a shaft body three (23), the end of the rotating plate (22) is in contact with the outer wall of the carrier disc (2).

4. The variable resistance resistive coating apparatus of claim 3, wherein: The outer wall of the carrier disc (2) comprises two magnetic parts (24), one side of the magnetic part (24) is provided with a magnetic sheet (25), the magnetic sheet (25) and the magnetic part (24) have a mutual attractive magnetic force, one side of the magnetic sheet (25) is provided with an extension rod (26), the other end of the extension rod (26) is fixedly connected with the inner wall of the fuselage (1).

5. The variable resistance resistive coating apparatus of claim 4, wherein: The extension rod (26) has a self-recovery ability, the attractive force between the magnetic part (24) and the magnetic sheet (25) is greater than the recovery elastic force of the extension rod (26).

6. The variable resistance resistive coating apparatus of claim 3, wherein: The torsional spring (27) is arranged between the shaft body three (23) and the rotating plate (22), the elastic force of the torsional spring (27) is fifteen degrees between the rotating plate (22) and the wall of the fuselage (1) under normal state.

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