Vibrating type uniform-powder-receiving automatic metal spraying device for thin-film capacitor

Abstract

The utility model relates to the technical field of capacitor metal spraying equipment, and discloses a vibrating type uniform-powder-receiving film capacitor automatic metal spraying device which comprises a shell body, a top frame is fixedly installed at the upper end of the shell body, a metal spraying machine body is fixedly installed on the top frame, an installation groove is formed in the front side of the upper end of the shell body, and the metal spraying machine body is fixedly installed in the installation groove. The metal spraying machine comprises a shell, a mounting groove is formed in the upper portion of the shell, a vibration box is arranged at the position of an opening in the upper portion of the mounting groove, a vibration mechanism acting on the vibration box is arranged on the shell, and a screen is arranged at the bottom of the vibration box. The vibration box is arranged on the base, the product rolls on the vibration box so that the product can make full contact with powder, and when the product falls into the product collecting box through the product discharging pipe, due to the fact that the product discharging pipe is of a spiral structure, it can be guaranteed that the product can smoothly fall into the product collecting box, and the product is prevented from being damaged after falling.

Description

Technical Field

[0001] The utility model relates to the technical field of capacitor gold spraying equipment, in particular to an automatic gold spraying device for film capacitors with uniform powder receiving by vibration. Background Technique

[0002] There is a very crucial process in the manufacturing process of film capacitors - gold spraying. Its main function is to spray a layer of zinc, zinc-tin alloy or lead-zinc alloy on the two end faces of the metallized film capacitor core to make it have an excellent conductive coating. The requirements for the uniformity, thickness and particle fineness of the sprayed coating are relatively high. However, looking at the gold spraying machines commonly used in the industry, the thickness uniformity can generally only reach an accuracy of ±0.5 mm, which is still a large gap from the required accuracy of ±0.2 mm for high-end products. The gold spraying machine is mainly used for the equipment that sprays conductive layers at both ends of metallized film capacitors and ceramic capacitors, and is suitable for the production of large, medium and small metallized film capacitors.

[0003] According to a fully automatic plastic film capacitor gold spraying machine disclosed in the Chinese patent document with the publication number CN112735861B, it includes an automatic gold spraying machine case and a top frame. The top frame is fixedly installed at the upper end of the automatic gold spraying machine case. By setting a screening hopper in the automatic gold spraying machine case, the screening hopper is divided into upper and lower two-layer structures by a mesh screen, namely the product gold spraying layer and the gold powder receiving layer. Through the regular vibration generated by the screening hopper vibration motor, the products in the product gold spraying layer move in a flipping motion along the vibration direction, so as to fully contact with the sprayed gold powder, making the powder receiving uniform and consistent, thereby improving the gold spraying quality. An air cylinder component is arranged on the left side of the screening hopper. During the vibration of the screening hopper, the negative pressure airbag is continuously pressed, so as to squeeze out the air remaining in the negative pressure airbag and spray it out from the one-way air nozzle on the right side, so that the gold powder scattered at the bottom layer of the screening hopper accumulates in the area near the right side, and is continuously shaken out to the right under the vibration of the screening hopper, and the gold powder is recycled for reuse.

[0004] However, the product discharge pipe for product discharging in the above device is a vertical pipe. When the product enters the product discharge pipe, it will directly fall from a high place into the collection bucket, which is likely to cause damage to the product. For this reason, an automatic gold spraying device for film capacitors with uniform powder receiving by vibration is proposed. Content of the Utility Model

[0005] The purpose of the utility model is to provide an automatic gold spraying device for film capacitors with uniform powder receiving by vibration, so as to solve the problems put forward in the above background technique.

[0006] To achieve the above object, the present utility model provides the following technical solution: A vibrating and evenly powder-coated automatic gold-spraying device for thin-film capacitors, comprising a housing, a top frame is fixedly installed at the upper end of the housing, a gold-spraying machine body is fixedly installed on the top frame, an installation groove is opened at the front side of the upper end of the housing, a vibrating box is arranged at the opening position above the installation groove, a vibrating mechanism acting on the vibrating box is arranged on the housing, a sieve is arranged at the bottom of the vibrating box, a powder guiding box is arranged below the sieve, the powder guiding box is fixedly connected with the vibrating box, a powder discharging pipe is arranged below the powder guiding box, the upper end of the powder discharging pipe is communicated with the inside of the powder guiding box through a folding pipe, an induced draft fan is arranged on the side wall of the powder discharging pipe, and the outer wall of the induced draft fan is fixedly connected with the inner wall of the housing through a fixing plate. A product discharging pipe is arranged at one side of the bottom of the vibrating box, the product discharging pipe is communicated with the inside of the vibrating box through another folding pipe, and the product discharging pipe is of a spiral structure.

[0007] As a further preferred embodiment of this technical solution, the vibrating mechanism is composed of a rotating shaft, a mounting plate, an L-shaped plate, a spring and a vibrating motor. The mounting plate is fixedly installed at the front end of the housing, and the mounting plate and the vibrating box are at the same height. Both sides of one end of the vibrating box are respectively fixedly connected with a rotating shaft, and the other ends of the two rotating shafts are respectively rotatably connected to the side walls of the housing and the mounting plate. A vibrating motor is arranged below the other end of the vibrating box, and the outer shell of the vibrating motor is fixedly connected to the inner wall of the housing. The cam of the vibrating motor is located at the bottom of the powder guiding box and is in contact with the powder guiding box.

[0008] As a further preferred embodiment of this technical solution, a plurality of springs are fixedly installed on the upper surface of the swinging end of the vibrating box, the upper ends of the springs are fixedly connected with an L-shaped plate, and the other end of the L-shaped plate is fixedly connected to the upper end of the housing.

[0009] As a further preferred embodiment of this technical solution, a product collection box is arranged at the bottom of the product discharging pipe, and the product collection box is located at the bottom of the inner cavity of the housing.

[0010] As a further preferred embodiment of this technical solution, a powder collection box is arranged at the bottom of the powder discharging pipe, the powder collection box is located at the bottom of the inner cavity of the installation groove, and the feed port of the powder collection box is adapted to the end of the powder discharging pipe.

[0011] As a further preferred embodiment of this technical solution, the powder discharging pipe and the product discharging pipe are communicated through a connecting pipe.

[0012] As a further preferred embodiment of this technical solution, the aperture of the connecting pipe is smaller than the size of the product.

[0013] The utility model provides an automatic gold spraying device for thin-film capacitors with uniform powder receiving by vibration, which has the following beneficial effects: by arranging a vibration box and a vibration mechanism acting on the vibration box, when the gold spraying machine body sprays powder on a product, the product can roll on the vibration box, so that the product is fully contacted with the powder. When the product falls into the product collection box through the product discharge pipe, since the product discharge pipe is of a spiral structure, it can ensure that the product can smoothly fall into the product collection box and avoid damage to the product after falling. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 is a schematic diagram of the overall structure of the utility model;

[0015] Figure 2 is a schematic diagram of the overall structure of the utility model from another perspective;

[0016] Figure 3 For the utility model Figure 1 is a schematic diagram of the structure of A in;

[0017] Figure 4 For the utility model Figure 2 is a schematic diagram of the structure of B in;

[0018] Figure 5 For the utility model Figure 2 is a schematic diagram of the structure of C in.

[0019] In the figure: 1, housing; 2, top frame; 3, gold spraying machine body; 4, vibration box; 5, rotating shaft; 6, mounting plate; 7, screen; 8, product collection box; 9, powder collection box; 10, powder guiding box; 11, folding pipe; 12, powder discharge pipe; 13, induced draft fan; 14, fixing plate; 15, L-shaped plate; 16, spring; 17, product discharge pipe; 18, connecting pipe; 19, vibration motor; 20, mounting groove. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0020] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model.

[0021] The present utility model provides a technical solution: as Figures 1 to 5As shown in the figure, in this embodiment, an automatic gold spraying device for film capacitors with uniform vibration powder receiving includes a housing 1. A top frame 2 is fixedly installed at the upper end of the housing 1, and a gold spraying machine body 3 is fixedly installed on the top frame 2. An installation groove 20 is formed at the front side of the upper end of the housing 1. A vibration box 4 is arranged at the opening position above the installation groove 20. A vibration mechanism acting on the vibration box 4 is arranged on the housing 1. A screen 7 is arranged at the bottom of the vibration box 4. A powder guiding box 10 is arranged below the screen 7. The powder guiding box 10 is fixedly connected to the vibration box 4. A powder discharge pipe 12 is arranged below the powder guiding box 10. The upper end of the powder discharge pipe 12 is communicated with the inside of the powder guiding box 10 through a folding pipe 11. An induced draft fan 13 is arranged on the side wall of the powder discharge pipe 12. The outer wall of the induced draft fan 13 is fixedly connected to the inner wall of the housing 1 through a fixing plate 14. A product discharge pipe 17 is arranged at one side of the bottom of the vibration box 4. The product discharge pipe 17 is communicated with the inside of the vibration box 4 through another folding pipe 11. The product discharge pipe 17 is of a spiral structure.

[0022] Among them, the vibration mechanism consists of a rotating shaft 5, a mounting plate 6, an L-shaped plate 15, a spring 16 and a vibration motor 19. A mounting plate 6 is fixedly installed at the front end of the housing 1. The mounting plate 6 and the vibration box 4 are at the same height. Both sides of one end of the vibration box 4 are respectively fixedly connected with a rotating shaft 5. The other ends of the two rotating shafts 5 are respectively rotatably connected to the side walls of the housing 1 and the mounting plate 6. A vibration motor 19 is arranged below the other end of the vibration box 4. The outer shell of the vibration motor 19 is fixedly connected to the inner wall of the housing 1. The cam of the vibration motor 19 is located at the bottom of the powder guiding box 10 and is in contact with the powder guiding box 10.

[0023] During use, initially, the vibration box 4 is in a horizontal state. When the vibration motor 19 is started, the convex end of the cam of the vibration motor 19 will push the powder guiding box 10 upward, thereby pushing the swinging end of the vibration box 4 upward. When the convex end of the cam of the vibration motor 19 moves away from the powder guiding box 10, under the action of gravity, the swinging end of the vibration box 4 will fall again. As the cam of the vibration motor 19 continues to rotate, the vibration box 4 will vibrate continuously.

[0024] Among them, a plurality of springs 16 are fixedly installed on the upper surface of the swinging end of the vibration box 4. The upper ends of the springs 16 are fixedly connected with an L-shaped plate 15. The other end of the L-shaped plate 15 is fixedly connected to the upper end of the housing 1.

[0025] When the cam of the vibration motor 19 drives the vibration box 4 to vibrate, the swinging end of the vibration box 4 can fall quickly through the arranged L-shaped plate 15 and spring 16.

[0026] Among them, a product collection box 8 is arranged at the bottom of the product discharge pipe 17. The product collection box 8 is located at the bottom of the inner cavity of the housing 1.

[0027] Among them, a powder collection box 9 is provided at the bottom of the powder discharge pipe 12. The powder collection box 9 is located at the bottom of the inner cavity of the installation groove 20, and the feed port of the powder collection box 9 is adapted to the end of the powder discharge pipe 12.

[0028] With such a setting, the powder in the powder collection box 9 can be prevented from floating out.

[0029] Among them, the powder discharge pipe 12 and the product discharge pipe 17 are connected through a connecting pipe 18, and the aperture of the connecting pipe 18 is smaller than the size of the product.

[0030] With such a setting, the powder in the product discharge pipe 17 can be sucked into the powder discharge pipe 12.

[0031] The utility model provides a vibration type automatic gold spraying device for thin film capacitors with uniform powder receiving, and the specific working principle is as follows: during use, the product is placed on the vibration box 4, and then the cylinder gold spraying machine body 3, the model of the gold spraying machine body 3 is HGS510 (other models can be adopted, and there is no limitation here). The gold spraying machine body 3 heats the metal material to a molten state, and then sprays the powder onto the product in the vibration box 4 in a high-speed jet manner. At the same time, the vibration motor 19 is started. The convex end of the cam of the vibration motor 19 will push the powder guiding box 10 upward, thereby pushing the swinging end of the vibration box 4 upward and compressing the spring 16. When the convex end of the cam of the vibration motor 19 moves away from the powder guiding box 10, under the action of the spring 16, the swinging end of the vibration box 4 will fall again. With the continuous rotation of the cam of the vibration motor 19, the vibration box 4 will vibrate continuously, so that the product rolls on the screen 7 in the direction of the product discharge pipe 17. During the rolling process of the product, the powder sprayed by the gold spraying machine body 3 can fully contact the product, and the excess powder will enter the powder guiding box 10 through the screen 7. Since the screen 7 will vibrate with the vibration box 4, there is no need to worry about the powder blocking the screen 7. Then the product will enter the product collection box 8 through the product discharge pipe 17. Since the product discharge pipe 17 is a spiral structure, it can ensure that the product can smoothly fall into the product collection box 8, avoiding damage to the product after falling. At the same time, the induced draft fan 13 is started, and the powder in the powder guiding box 10 and the product discharge pipe 17 can be sucked into the powder collection box 9.

[0032] Although the embodiments of the present invention have been shown and described, for those of ordinary skill in the art, it can be understood that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principle and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A vibrating type film capacitor automatic gold spraying device with uniform powdering, comprising a housing (1), characterized in that: A top frame (2) is fixedly mounted on the upper end of the shell (1), a gold spraying machine body (3) is fixedly mounted on the top frame (2), a mounting groove (20) is provided on the front side of the upper end of the shell (1), a vibration box (4) is provided at the upper opening position of the mounting groove (20), a vibration mechanism acting on the vibration box (4) is provided on the shell (1), a screen (7) is provided at the bottom of the vibration box (4), a powder guide box (10) is provided below the screen (7), the powder guide box (10) is fixedly connected to the vibration box (4), and the bottom of the powder guide box (10) is provided with a plurality of springs. A powder discharge pipe (12) is provided on the side, the upper end of the powder discharge pipe (12) is connected to the interior of the powder guide box (10) through a folded tube (11), an induced draft fan (13) is provided on the side wall of the powder discharge pipe (12), the outer wall of the induced draft fan (13) and the inner wall of the shell (1) are fixedly connected through a fixing plate (14), a product discharge pipe (17) is provided on one side of the bottom of the vibration box (4), the product discharge pipe (17) is connected to the interior of the vibration box (4) through another folded tube (11), and the product discharge pipe (17) is a spiral structure.

2. According to claim 1, a vibrating type film capacitor automatic gold spraying device with uniform powdering is characterized in that: The vibration mechanism comprises a rotating shaft (5), a mounting plate (6), an L-shaped plate (15), a spring (16) and a vibration motor (19); a mounting plate (6) is fixedly mounted on the front end of the housing (1); the mounting plate (6) and the vibration box (4) are located at the same height; a rotating shaft (5) is fixedly connected to both sides of one end of the vibration box (4); the other ends of the two rotating shafts (5) are rotatably connected to the side walls of the housing (1) and the mounting plate (6) respectively; a vibration motor (19) is arranged below the other end of the vibration box (4); the outer shell of the vibration motor (19) is fixedly connected to the inner wall of the housing (1); and the cam of the vibration motor (19) is located at the bottom of the powder guide box (10) and contacts the powder guide box (10).

3. The vibrating type uniform powder receiving film capacitor automatic gold spraying device according to claim 1 is characterized in that: A plurality of springs (16) are fixedly mounted on the upper surface of the swing end of the vibration box (4), the upper ends of the springs (16) are fixedly connected to an L-shaped plate (15), and the other end of the L-shaped plate (15) is fixedly connected to the upper end of the housing (1).

4. The vibrating type automatic gold spraying device for film capacitors with uniform powdering according to claim 1 is characterized in that: A product collection box (8) is provided at the bottom of the product discharge pipe (17), and the product collection box (8) is located at the bottom of the inner cavity of the shell (1).

5. The vibrating type film capacitor automatic gold spraying device with uniform powdering according to claim 1 is characterized in that: A powder collection box (9) is provided at the bottom of the powder discharge pipe (12), and the powder collection box (9) is located at the bottom of the inner cavity of the mounting groove (20), and the feed port of the powder collection box (9) is adapted to the end of the powder discharge pipe (12).

6. The vibrating type film capacitor automatic gold spraying device with uniform powdering according to claim 1, characterized in that: The powder discharge pipe (12) and the product discharge pipe (17) are connected via a connecting pipe (18).

7. The vibrating type automatic gold spraying device for film capacitors with uniform powdering according to claim 6, characterized in that: The aperture of the connecting pipe (18) is smaller than the size of the product.

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