Novel high-temperature vehicle-mounted PTC automatic screen printing device

Abstract

The utility model discloses a novel high-temperature type vehicle-mounted PTC automatic silk-screen printing device, which relates to the technical field of silk-screen printing devices and comprises a workbench, a conveying belt is rotatably arranged between the side walls of the workbench, a conveying motor for driving the conveying belt to operate is fixedly arranged on the outer side wall of the workbench, a PTC product to be silk-screen printed is placed on the upper surface of the conveying belt, and the PTC product is placed on the upper surface of the conveying belt. A spacing mechanism capable of spacing PTC products to be subjected to screen printing is arranged on the outer side wall of the workbench, a notch is formed in the side wall of the workbench, a bottom plate is arranged at the position, at the notch, of the workbench, and a positioning mechanism used for clamping and fixing the PTC products to be subjected to screen printing is arranged on the upper surface of the bottom plate. According to the automatic screen printing device, automatic screen printing operation is carried out, dependence of manual operation is reduced, labor cost is reduced, the stability and consistency of PTC products in the screen printing process are guaranteed through the clamping blocks, the problems of fuzzy screen printing patterns, position deviation and the like are effectively avoided, the reliability of the screen printing quality is improved, and the production efficiency can be remarkably improved.

Description

Technical Field

[0001] This utility model relates to the field of screen printing device technology, specifically to a novel high-temperature vehicle-mounted PTC automated screen printing device. Background Technology

[0002] As a key component in the thermal management system of new energy vehicles, PTC (Positive Temperature Coefficient) heaters play a crucial role in vehicle air conditioning heating and battery pack temperature control. Through its unique resistance characteristics, the PTC heater exhibits low resistance and high current at low temperatures, generating heat; as the temperature rises, the resistance increases sharply, and the current decreases, thus automatically limiting temperature increases and achieving efficient and safe heating.

[0003] However, with the rapid expansion of the new energy vehicle market, the demand for PTC heaters has surged, placing higher demands on their production efficiency and quality. In the manufacturing process of PTC heaters, screen printing on the negative electrode sheet is a crucial step, directly affecting the heater's electrothermal conversion efficiency and long-term operational reliability. Traditional screen printing of the negative electrode sheet relies primarily on manual operation, which not only leads to low production efficiency, failing to meet the needs of large-scale production, but also easily results in problems such as blurred patterns and misaligned positions, making it difficult to guarantee the stability and consistency of screen printing quality. This can easily affect the performance and lifespan of the PTC heater, increase the workload of subsequent quality inspection and rework, raise production costs, and reduce market competitiveness. Utility Model Content

[0004] The purpose of this invention is to provide a novel high-temperature vehicle-mounted PTC automated screen printing device to solve the problems of existing screen printing devices that mainly rely on manual operation, have low production efficiency, are prone to blurry screen printing patterns and positional deviations, and are difficult to guarantee the stability and consistency of screen printing quality.

[0005] A novel high-temperature vehicle-mounted PTC automated screen printing device includes a worktable, a conveyor belt rotatably mounted between the side walls of the worktable, a transmission motor fixedly mounted on the outer side wall of the worktable to drive the conveyor belt, PTC products to be screen printed placed on the upper surface of the conveyor belt, a spacing mechanism that can separate the PTC products to be screen printed on the outer side wall of the worktable, a notch opened on the side wall of the worktable, a base plate mounted on the worktable at the notch position, and a positioning mechanism for clamping and fixing the PTC products to be screen printed on the upper surface of the base plate.

[0006] Preferably, the spacing mechanism includes a side plate fixedly mounted on the outer wall of the workbench, a rotating block rotatably mounted on the top of the side plate, a plurality of spacing rods mounted on the outer circumference of the rotating block, and a motor mounted on the bottom of the side plate, the output end of the motor being connected to the end of the rotating block in a transmission connection.

[0007] Preferably, the positioning mechanism includes a gear rotatably mounted on the top of the base plate, with symmetrical limit grooves on both sides of the gear, a limit block slidably mounted in the limit groove, a rack fixedly mounted on the top of the limit block, the rack meshing with the gear, mounting blocks at the opposite ends of the two gears, clamping plates on the sidewalls of the mounting blocks, and a drive motor at the bottom of the base plate, the output end of the drive motor being connected to the end of the gear.

[0008] Preferably, the surface of the clamping plate that contacts the PTC product to be screen-printed is provided with a wear-resistant layer.

[0009] The advantages of this utility model are as follows: This utility model is a novel high-temperature vehicle-mounted PTC automated screen printing device. By setting an interval mechanism and a positioning mechanism, it performs automated screen printing operations, reduces reliance on manual operation, lowers labor costs, and uses clamping blocks to ensure the stability and consistency of PTC products during the screen printing process. It effectively avoids problems such as blurry screen printing patterns and positional deviations, improves the reliability of screen printing quality, significantly increases production efficiency, reduces the workload of quality inspection and rework, and further reduces production costs. Attached Figure Description

[0010] Figure 1 , 2 These are schematic diagrams of the structure of this utility model from different perspectives.

[0011] Figure 3 This is a schematic diagram of the positioning mechanism in this utility model.

[0012] Figure 4 This is a schematic diagram of the limiting groove in this utility model.

[0013] Among them, 100 is the workbench; 101 is the conveyor belt; 102 is the conveyor motor; 103 is the notch; 200 is the spacing mechanism; 201 is the rotating block; 202 is the spacing rod; 203 is the side plate; 204 is the motor; 300 is the positioning mechanism; 301 is the clamping plate; 302 is the wear-resistant layer; 303 is the mounting block; 304 is the base plate; 305 is the rack; 306 is the gear; 307 is the limiting groove; 308 is the limiting block; and 309 is the drive motor. Detailed Implementation

[0014] To make the technical means, creative features, objectives and effects of this utility model easier to understand, the present utility model will be further described below in conjunction with specific embodiments.

[0015] like Figures 1 to 4 As shown, a novel high-temperature vehicle-mounted PTC automated screen printing device includes a worktable 100. A conveyor belt 101 is rotatably mounted between the side walls of the worktable 100. A transmission motor 102 that drives the conveyor belt 101 is fixedly mounted on the outer side wall of the worktable 100. PTC products to be screen printed are placed on the upper surface of the conveyor belt 101. The outer side wall of the worktable 100 is provided with a spacing mechanism 200 that can separate the PTC products to be screen printed. A notch 103 is opened on the side wall of the worktable 100. A base plate 304 is provided on the worktable 100 at the notch 103 position. A positioning mechanism 300 for clamping and fixing the PTC products to be screen printed is provided on the upper surface of the base plate 304.

[0016] In this embodiment, the spacing mechanism 200 includes a side plate 203 fixedly disposed on the outer wall of the workbench 100. A rotating block 201 is rotatably disposed on the top of the side plate 203. A plurality of spacing rods 202 are disposed on the outer circumference of the rotating block 201. A motor 204 is disposed at the bottom of the side plate 203. The output end of the motor 204 is connected to the end of the rotating block 201 for transmission.

[0017] When the product approaches the spacing mechanism 200, the motor 204 starts, driving the rotating block 201 to rotate. The spacing rod 202 on the rotating block 201 rotates accordingly, ensuring that each PTC product maintains a certain distance, avoiding mutual interference during the screen printing process, and enhancing the screen printing quality.

[0018] In this embodiment, the positioning mechanism 300 includes a gear 306 rotatably mounted on the top of the base plate 304. The gear 306 has symmetrically arranged limiting grooves 307 on both sides. A limiting block 308 is slidably arranged within the limiting groove 307. A rack 305 is fixedly mounted on the top of the limiting block 308. The rack 305 meshes with the gear 306. Mounting blocks 303 are provided at opposite ends of the two gears 306. Clamping plates 301 are provided on the sidewalls of the mounting blocks 303. A drive motor 309 is provided at the bottom of the base plate 304. The output end of the drive motor 309 is connected to the end of the gear 306. A screen printing device is located above the notch 103.

[0019] When the product reaches the notch 103, the positioning mechanism 300 starts working, the drive motor 309 starts, driving the gear 306 to rotate. Because the rack 305 meshes with the gear 306, the limiting block 308 slides within the limiting groove 307, pushing the mounting block 303 and the clamping plate 301 towards the center, clamping and fixing the PTC product to be screen-printed. After the product is accurately positioned and fixed, the screen-printing equipment starts working, evenly printing ink onto the designated position on the PTC product. After screen printing is completed, the drive motor 309 reverses, the gear 306 drives the rack 305 and the limiting block 308 to move in the opposite direction, and the clamping plate 301 releases the product. The conveyor belt 101 continues to run, sending the screen-printed PTC product out of the work area while simultaneously welcoming the next product to be screen-printed. This ensures the stability and consistency of the PTC product during the screen printing process, effectively avoiding problems such as blurred screen printing patterns and positional deviations, improving the reliability of screen printing quality, reducing reliance on manual operation, lowering labor costs, and significantly improving production efficiency.

[0020] In this embodiment, the surface of the clamping plate 301 that contacts the PTC product to be screen printed is provided with a wear-resistant layer 302.

[0021] By setting the wear-resistant layer 302, the service life of the device can be extended, wear and damage caused by friction can be reduced, maintenance costs and downtime can be further reduced, and the overall efficiency of the device can be improved.

[0022] Working process and principle: When using this device, start the transmission motor 102 to drive the transmission belt 101 to start running. The PTC products to be screen-printed are placed one by one on the upper surface of the conveyor belt 101. As the conveyor belt moves, the products are fed into the working area. The motor 204 drives the rotating block 201 to rotate, and the spacer rod 202 on the rotating block 201 rotates accordingly to ensure that each PTC product maintains a certain distance and avoids mutual interference during the screen printing process. When the product reaches the notch 103, the positioning mechanism 300 starts working, the drive motor 309 starts, and drives the gear 306 to rotate. Since the rack 305 meshes with the gear 306, the limiting block 308 slides in the limiting groove 307, pushing the mounting block 303 and the clamping plate 301 to move towards the center, clamping and fixing the PTC product to be screen-printed. After the product is accurately positioned and fixed, the screen printing equipment starts working, and the ink is evenly printed on the designated position of the PTC product. After the screen printing is completed, the drive motor 309 reverses, the gear 306 drives the rack 305 and the limiting block 308 to move in the opposite direction, and the clamping plate 301 releases the product. Conveyor belt 101 continues to operate, sending the PTC products that have been screen-printed out of the work area, while welcoming the next product to be screen-printed. This ensures the stability and consistency of PTC products during the screen-printing process, effectively avoiding problems such as blurry screen-printed patterns and positional deviations, improving the reliability of screen-printing quality, reducing reliance on manual operation, lowering labor costs, and significantly improving production efficiency.

[0023] As is known from common technical knowledge, this utility model can be implemented through other embodiments that do not depart from its spirit or essential characteristics. Therefore, the disclosed embodiments described above are merely illustrative in all respects and are not the only ones. All modifications within the scope of this utility model or its equivalents are included in this utility model.

Claims

1. A new type of high-temperature vehicle-mounted PTC automated silk-screen printing device, characterized in that: The utility model provides a silk screen printing device for PTC product, including workbench (100), the workbench (100) side wall rotation is equipped with the conveyer belt (101), the workbench (100) outside wall is fixedly equipped with the transmission motor (102) of driving conveyer belt (101) operation, the conveyer belt (101) upper surface places the PTC product of waiting silk screen printing, the workbench (100) outside wall is equipped with the spacing mechanism (200) that can be spaced apart the PTC product of waiting silk screen printing, the workbench (100) side wall is equipped with the notch (103) of opening, the workbench (100) of notch (103) position is equipped with the bottom plate (304), the bottom plate (304) upper surface is equipped with the positioning mechanism (300) for clamping fixed the PTC product of waiting silk screen printing.

2. A novel high-temperature vehicle-mounted PTC automated silk-screen printing device according to claim 1, characterized in that: The spacing mechanism (200) includes the side plate (203) fixed on the outer side wall of the workbench (100), the top of the side plate (203) is rotatably provided with a rotating block (201), a plurality of spacing rods (202) are arranged on the outer circumference of the rotating block (201), and the bottom of the side plate (203) is provided with a motor (204), and the output end of the motor (204) is in transmission connection with the end of the rotating block (201).

3. A novel high-temperature vehicle-mounted PTC automated silk-screen printing device according to claim 1, characterized in that: The positioning mechanism (300) includes a gear (306) rotatably arranged on the top of the bottom plate (304), limit grooves (307) are symmetrically arranged on the two sides of the gear (306), a limit block (308) is slidably arranged in the limit groove (307), a rack (305) is fixedly arranged on the top of the limit block (308), the rack (305) is in meshing connection with the gear (306), mounting blocks (303) are arranged on the opposite ends of the two gears (306), clamping plates (301) are arranged on the side walls of the mounting blocks (303), a drive motor (309) is arranged on the bottom of the bottom plate (304), and the output end of the drive motor (309) is in transmission connection with the end of the gear (306).

4. A novel high-temperature vehicle-mounted PTC automated silk-screen printing device according to claim 3, characterized in that: The surface of the clamping plate (301) in contact with the PTC product to be silk-screen printed is provided with a wear-resistant layer (302).

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