Powder coating device of thermistor

Abstract

The utility model discloses a powder coating device for a thermistor, which relates to the technical field of semiconductor processing, and comprises an operating table, the upper end of the operating table is connected with a placing groove, the surface of one side of the placing groove is connected with a trigger groove, and the surfaces of the two sides of the upper end of the operating table are provided with rectangular sliding chutes; a U-shaped sliding block, a powder replenisher and a rectangular bulldozing block move to the other end of a rectangular sliding groove, a rectangular tiling plate can conduct tiling operation on powder on the surface of the thermistor, and the powder replenisher can conduct powder replenishment operation on the thermistor in the process of moving along the rectangular sliding groove; in this way, the powder material can be automatically tiled and supplemented after the thermistor is coated, the sliding assembly and the tiling assembly can generate the linkage effect, meanwhile, tiling and supplementing operation is automatically conducted through a machine, the precision of material supplementing and tiling on the surface of the thermosensitive assembly can be improved, and then powder can be coated more evenly.

Description

Technical Field

[0001] This utility model relates to the field of semiconductor processing technology, and more specifically, to a powder coating apparatus for thermistors. Background Technology

[0002] A thermistor is a type of sensor resistor whose resistance changes with temperature. Based on different temperature coefficients, it is divided into positive temperature coefficient thermistors and negative temperature coefficient thermistors. The resistance of a positive temperature coefficient thermistor increases with increasing temperature, while the resistance of a negative temperature coefficient thermistor decreases with increasing temperature. They both belong to semiconductor devices.

[0003] During the manufacturing process of thermistors, powder is required to coat the components. However, the existing automatic coating machines may result in uneven coating, requiring manual adjustment, which reduces the coating efficiency of thermistors. Utility Model Content

[0004] The purpose of this invention is to provide a powder coating device for thermistors to solve the problems mentioned in the background art: during the manufacturing process of thermistors, powder needs to be coated on the components, but the existing automatic coating machines may have uneven coating after coating, requiring manual adjustment, thereby reducing the coating efficiency of thermistors.

[0005] A powder coating apparatus for a thermistor includes an operating table. The upper end of the operating table is connected to a placement groove, and one side surface of the placement groove is connected to a trigger groove. Rectangular grooves are formed on both sides of the upper end of the operating table. A powder replenishment component is connected to the inner cavity of the rectangular groove. One end of the powder replenishment component is connected to a spreading component. A collection chamber is formed in the inner cavity of the operating table and is located directly below the placement groove.

[0006] Preferably, the tiling assembly includes a first drive motor, the output end of the first drive motor is connected to a first threaded rod, the upper outer surface of the first threaded rod is fitted with a first lifting rod, the end of the first lifting rod away from the first threaded rod is connected to a rectangular tiling plate, and the outer side of the first drive motor is connected to a rectangular guide frame, while the lower end of the rectangular guide frame is connected to a limit block, and the limit block is rotatably connected to the first threaded rod.

[0007] Preferably, the output end of the first drive motor is fitted with a first rotating belt, the end of the first rotating belt away from the first drive motor is fitted with a first bevel gear, one end of the first bevel gear is meshed with a second bevel gear, the end of the second bevel gear away from the first bevel gear is connected to a third bevel gear, and the first rotating belt is connected to the first bevel gear through a through rectangular guide frame, while the first bevel gear is rotatably connected to the operating table.

[0008] Preferably, the powder replenishment assembly includes a fourth bevel gear, one end of the first bevel gear is connected to a second threaded rod, the outer side of the second threaded rod away from the first bevel gear is sleeved with a second rotating band, the outer side of the second threaded rod is sleeved with a U-shaped sliding block, and the fourth bevel gear meshes with a third bevel gear, while the two ends of the second rotating band are sleeved with second threaded rods, and the second threaded rods are installed in the inner cavity of the rectangular slide groove.

[0009] By adopting the above technical solution, the first drive motor will drive the first threaded rod to rotate and drive the first rotating belt to rotate. The rotation of the first rotating belt will drive the third bevel gear to rotate, thereby driving the fourth bevel gear to rotate, which in turn will drive the U-shaped sliding block to move towards the other end of the rectangular sliding groove. In this way, when the rectangular paving plate moves downward, the U-shaped sliding block will move towards the direction of the fourth bevel gear, and vice versa. This allows the paving component and the powder replenishment component to achieve linkage efficiency.

[0010] Preferably, the end of the U-shaped sliding block facing the fourth bevel gear is connected to a powder replenisher, the inner surface of the powder replenisher is connected to a controller, the upper end of the powder replenisher is connected to a conveying pipe, the end of the conveying pipe away from the powder replenisher is connected to a storage chamber, and the surface of the U-shaped sliding block away from the fourth bevel gear is connected to a rectangular flattening block.

[0011] By adopting the above technical solution, the powder replenisher and the rectangular flattening block are moved towards the fourth bevel gear. During the movement of the powder replenisher, when the controller coincides with the trigger groove, the powder replenisher will open the discharge port, allowing the powder replenisher to replenish the thermistor with powder until the controller separates from the trigger groove. During the movement of the rectangular flattening block, the powder replenished on the surface of the thermistor will be flattened. In this way, during the replenishment process of the powder replenisher, the rectangular flattening block will perform the first flattening operation on the powder, so that the powder can be coated more evenly.

[0012] Compared with existing technologies, the advantages of this utility model are:

[0013] 1. In this utility model, by moving the U-shaped sliding block, powder replenisher, and rectangular flattening block to the other end of the rectangular chute, the rectangular flattening plate will perform a flattening operation on the powder on the surface of the thermistor. As the powder replenisher moves along the rectangular chute, it will replenish the powder on the thermistor. This allows for automatic flattening and replenishing of powder material after the thermistor is coated. This creates a linkage effect between the sliding component and the flattening component. Simultaneously, by automatically performing flattening and replenishing operations, the accuracy of replenishing and flattening the surface of the thermistor can be improved, resulting in a more uniform powder coating. Attached Figure Description

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

[0015] Figure 2 This is a schematic diagram of the internal structure of the present invention;

[0016] Figure 3 This is a schematic diagram of the flat component structure of this utility model;

[0017] Figure 4 This is a schematic diagram of the powder replenishment component of this utility model.

[0018] The following are the labeling instructions in the diagram: 1. Operating table; 2. Placement groove; 3. Rectangular chute; 4. Powder replenishment assembly; 401. Fourth bevel gear; 402. Second threaded rod; 403. Second rotating belt; 404. U-shaped sliding block; 405. Powder replenisher; 406. Controller; 407. Conveying pipe; 408. Storage chamber; 409. Rectangular flattening block; 5. Laying assembly; 501. First drive motor; 502. First threaded rod; 503. First lifting rod; 504. Rectangular laying plate; 505. First rotating belt; 506. First bevel gear; 507. Second bevel gear; 508. Third bevel gear; 6. Collection chamber; 7. Trigger groove. Detailed Implementation

[0019] Example: Please refer to Figure 1 and Figure 2 The powder coating device for thermistors includes an operating table 1. The upper end of the operating table 1 is connected to a placement groove 2. One side surface of the placement groove 2 is connected to a trigger groove 7. Rectangular slide grooves 3 are formed on both sides of the upper end of the operating table 1. A powder replenishment component 4 is connected to the inner cavity of the rectangular slide groove 3. One end of the powder replenishment component 4 is connected to a spreading component 5. A collection cavity 6 is formed in the inner cavity of the operating table 1, and the collection cavity 6 is located directly below the placement groove 2.

[0020] Please see Figure 3The tiling component 5 includes a first drive motor 501, the output end of the first drive motor 501 is connected to a first threaded rod 502, a first lifting rod 503 is sleeved on the outer surface of the upper end of the first threaded rod 502, a rectangular tiling plate 504 is connected to the end of the first lifting rod 503 away from the first threaded rod 502, and a rectangular guide frame is connected to the outer side of the first drive motor 501, while a limit block is connected to the lower end of the rectangular guide frame, and the limit block is rotatably connected to the first threaded rod 502.

[0021] Please see Figure 3 The output end of the first drive motor 501 is fitted with a first rotating belt 505. The end of the first rotating belt 505 away from the first drive motor 501 is fitted with a first bevel gear 506. One end of the first bevel gear 506 is meshed with a second bevel gear 507. The end of the second bevel gear 507 away from the first bevel gear 506 is connected to a third bevel gear 508. The first rotating belt 505 is connected to the first bevel gear 506 through a through rectangular guide frame. The first bevel gear 506 is rotatably connected to the operating table 1.

[0022] Please see Figure 4 The powder replenishment component 4 includes a fourth bevel gear 401, one end of which is connected to a second threaded rod 402. A second rotating belt 403 is sleeved on the outer side of the second threaded rod 402 away from the fourth bevel gear 401. A U-shaped sliding block 404 is sleeved on the outer side of the second threaded rod 402. The fourth bevel gear 401 meshes with a third bevel gear 508. The two ends of the second rotating belt 403 are sleeved with the second threaded rod 402. The second threaded rod 402 is installed in the inner cavity of the rectangular slide groove 3.

[0023] Please see Figure 4The U-shaped sliding block 404 is connected to a powder replenisher 405 at one end facing the fourth bevel gear 401. A controller 406 is connected to the inner surface of the powder replenisher 405, and a conveying pipe 407 is connected to the upper end of the powder replenisher 405. A storage chamber 408 is connected to the end of the conveying pipe 407 away from the powder replenisher 405. A rectangular flattening block 409 is connected to the surface of the U-shaped sliding block 404 away from the fourth bevel gear 401. When the controller 406 and the trigger groove 7 move towards the fourth bevel gear 401, the controller 406 will come into contact with the trigger groove 7. The powder replenisher 405 opens its outlet to replenish the thermistor. When the controller 406 separates from the trigger groove 7, the outlet closes. During the reset process of the powder replenisher 405, the outlet of the powder replenisher 405 is in a closed state. When the rectangular flattening block 409 is directly above the thermistor, a gap is created between the rectangular flattening block 409 and the thermistor. This gap is the gap for powder coating. At the same time, the lowest surface of the rectangular flattening plate 504 and the lower surface of the rectangular flattening block 409 are on the same horizontal plane.

[0024] Working principle: First, the thermistor is placed in the placement groove 2. Then, the first drive motor 501 is started and drives the first rotating belt 505 to rotate and the first threaded rod 502 to rotate. The rotation of the first threaded rod 502 will drive the first lifting rod 503 to move downward along the first threaded rod 502, thereby driving the rectangular flat plate 504 to move downward.

[0025] Furthermore, the rotation of the first rotating belt 505 will drive the first bevel gear 506 to rotate, which in turn drives the second bevel gear 507 to rotate, and then drives the third bevel gear 508 to rotate. As the third bevel gear 508 rotates, it will drive the fourth bevel gear 401 to rotate, which will drive the second rotating belt 403 to rotate, and then drive the second threaded rod 402 to rotate. The rotation of the second threaded rod 402 will drive the U-shaped sliding block 404 to move along the rectangular sliding groove 3 toward the fourth bevel gear 401, thereby driving the powder replenisher 405 and the rectangular flattening block 409 toward the fourth bevel gear 401. As the powder replenisher 405 moves in the direction of 01, when the controller 406 coincides with the trigger groove 7, the powder replenisher 405 will open the discharge port, thereby allowing the powder replenisher 405 to replenish the powder for the thermistor until the controller 406 separates from the trigger groove 7. During the movement of the rectangular flattening block 409, the powder replenished on the surface of the thermistor will be flattened. During the flattening process, the rectangular flattening block 409 will allow excess powder to fall into the collection chamber 6 until the U-shaped sliding block 404 moves to the other end of the rectangular chute 3.

[0026] When the U-shaped sliding block 404 moves to the other end of the rectangular sliding groove 3, the lower surface of the rectangular tiling plate 504 will be at the same level as the lower surface of the rectangular flattening block 409, thereby flattening the powder on the surface of the thermistor. Then the first drive motor 501 will reverse, thereby restoring the powder replenishing component 4 and the tiling component 5 to their original positions. Then the operation will continue for three more times, and then all operations will end.

[0027] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. Those skilled in the art should understand that this utility model is not limited to the above embodiments. The embodiments and descriptions in the specification are merely preferred examples and are not intended to limit the utility model. Various changes and modifications can be made to this utility model without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claimed utility model. The scope of protection of this utility model is defined by the appended claims and their equivalents.

Claims

1. A powder coating apparatus for a thermistor, comprising an operating table (1), characterized in that: The upper end of the operating table (1) is connected to a placement groove (2), and a trigger groove (7) is connected to one side surface of the placement groove (2). Rectangular sliding grooves (3) are opened on both sides of the upper end of the operating table (1). A powder replenishing component (4) is connected in the inner cavity of the rectangular sliding groove (3). A spreading component (5) is connected to one end of the powder replenishing component (4). A collection cavity (6) is opened in the inner cavity of the operating table (1).

2. The powder coating apparatus for thermistors according to claim 1, characterized in that: The tiling assembly (5) includes a first drive motor (501), the output end of the first drive motor (501) is connected to a first threaded rod (502), the upper outer surface of the first threaded rod (502) is sleeved with a first lifting rod (503), and the end of the first lifting rod (503) away from the first threaded rod (502) is connected to a rectangular tiling plate (504).

3. The powder coating apparatus for thermistors according to claim 2, characterized in that: The output end of the first drive motor (501) is fitted with a first rotating belt (505), and the end of the first rotating belt (505) away from the first drive motor (501) is fitted with a first bevel gear (506).

4. The powder coating apparatus for thermistors according to claim 3, characterized in that: One end of the first bevel gear (506) is engaged with a second bevel gear (507), and the end of the second bevel gear (507) away from the first bevel gear (506) is connected to a third bevel gear (508).

5. The powder coating apparatus for thermistors according to claim 4, characterized in that: The powder replenishment component (4) includes a fourth bevel gear (401), one end of which is connected to a second threaded rod (402). A second rotating belt (403) is sleeved on the outer side of the second threaded rod (402) away from the fourth bevel gear (401), and a U-shaped sliding block (404) is sleeved on the outer side of the second threaded rod (402).

6. The powder coating apparatus for thermistors according to claim 5, characterized in that: The U-shaped sliding block (404) is connected to a powder replenisher (405) at one end facing the fourth bevel gear (401). A controller (406) is connected to the inner surface of the powder replenisher (405), and a delivery pipe (407) is connected to the upper end of the powder replenisher (405).

7. The powder coating apparatus for a thermistor according to claim 6, characterized in that: The end of the conveying pipe (407) away from the powder replenisher (405) is connected to the storage chamber (408), and the surface of the U-shaped sliding block (404) away from the fourth bevel gear (401) is connected to a rectangular flattening block (409).

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