An automatic silicone pad application fixture

Abstract

This utility model discloses an automatic silicone pad application fixture. A placement plate is connected to the base via connecting columns. A first cylinder is positioned above the placement plate, with its output end penetrating the placement plate and vertically arranged. A positioning device is connected to the output end. A slide rail is positioned directly below the positioning device, with the vertical projection of the positioning device coinciding with the slide rail. A mounting plate is positioned above the slide rail, with a second cylinder connected to one side of the mounting plate. The output direction of the second cylinder is parallel to the sliding direction of the slide rail. An adsorption device and an adhesion device are mounted on the mounting plate. After traveling a certain distance, the adsorption device and the adhesion device can be positioned directly below the positioning device. A stroke sensor is provided on one side of both the first and second cylinders, and each stroke sensor is electrically connected to its corresponding first or second cylinder. Both stroke sensors are electrically connected to a PLC controller, enabling automated operation via the PLC controller. This significantly reduces the workpiece bonding time and improves work efficiency.

Description

Technical Field

[0001] This utility model relates to the technical field of processing and production, specifically to an automatic silicone pad application fixture. Background Technology

[0002] Silicone adhesives (typically referring to self-adhesive tapes, films, or transfer adhesives with silicone adhesive) are widely used in numerous fields due to their unique combination of properties. Their core advantages lie in the inherent characteristics of silicone adhesives, such as excellent temperature resistance, outstanding flexibility and elasticity, and good chemical stability and weather resistance.

[0003] Current production processes rely on manual identification and bonding operations. This model has drawbacks: firstly, the operation requires a high level of experience, focus, and skill from workers, resulting in high operational difficulty, high labor intensity, and low efficiency; secondly, the inherent limitations and instabilities of manual operation (such as visual errors, hand tremors, and fatigue) make it difficult to effectively guarantee bonding accuracy, failing to meet high-precision process requirements. These factors directly lead to poor process stability and large quality fluctuations in the bonding stage, ultimately resulting in a high rate of defective (scrap) products, which not only increases production costs but also restricts the improvement of product quality and production capacity. Utility Model Content

[0004] In view of the shortcomings of the existing technology, the purpose of this utility model is to provide an automatic silicone pad application fixture, which has the effects of short application time and accurate positioning.

[0005] The above-mentioned objective of this utility model is achieved through the following technical solution: An automatic silicone pad applicator includes a base with a shelf connected to it via a connecting column. A first cylinder is positioned above the shelf, with its output end penetrating the shelf and vertically aligned. A positioning device is connected to the output end. A slide rail is positioned directly below the positioning device, with the vertical projection of the positioning device coinciding with the slide rail. A mounting plate is positioned above the slide rail, with a second cylinder connected to one side of the mounting plate. The output direction of the second cylinder is parallel to the sliding direction of the slide rail. An adsorption device and an adhesion device are mounted on the mounting plate. The adsorption device and the adhesion device travel a certain distance and can be positioned directly below the positioning device. A stroke sensor is positioned on one side of both the first and second cylinders, each electrically connected to its corresponding first or second cylinder. Both stroke sensors are also electrically connected to a PLC controller.

[0006] In a preferred embodiment, the present invention can be further configured such that the positioning device includes a positioning element, and the positioning element is provided with a plurality of snap-fit ​​elements.

[0007] In a preferred embodiment, the present invention can be further configured as follows: the adsorption device includes an adsorption plate, the upper surface of the adsorption plate has a groove, a silicone sensor is provided on one side of the adsorption plate, a plurality of through holes are provided in the groove, and a vacuum adsorption device is provided below the adsorption plate.

[0008] In a preferred embodiment, the present invention can be further configured as follows: the fastening device includes two connectors and a support frame. The two connectors are respectively hinged to the support frame via U-shaped members. The U-shaped members are hinged to the connectors via pins. A torsion spring is sleeved on the pin. A roller is provided on the side of the connector away from the U-shaped member. The roller is sleeved on a rotating rod and the rotating rod is connected to the connector. One arm of the torsion spring abuts against the connector, and the other arm of the torsion spring abuts against the U-shaped member. When the roller is not subjected to external force, the connector is in a horizontal state.

[0009] In a preferred embodiment, the present invention can be further configured such that: an operation box is provided on one side of the first cylinder, and a power supply, a PLC controller and a vacuum generator are installed in the operation box, wherein the vacuum generator is part of the vacuum adsorption device.

[0010] In summary, this utility model has at least one of the following beneficial technical effects: 1. By controlling the positioning device, adsorption device, and bonding device through a PLC controller, the operation can be automated, which can significantly shorten the bonding time of the workpiece and improve work efficiency. 2. By controlling the stroke sensor through the PLC controller, the stroke of the first and second cylinders can be accurately positioned, which can effectively ensure that the fit is completed in one go, save working time, and improve product quality; 3. The rollers of the bonding device perform a dynamic compression operation after the silicone pad is bonded, reducing air bubbles in the bonding surface and improving the flatness of the bonding between the workpiece and the silicone pad. Attached Figure Description

[0011] Figure 1 This is a schematic diagram of the overall structure of this technical solution; Figure 2 This is a schematic diagram of the structure of the workpiece before installation in this technical solution; Figure 3 This is a schematic diagram of the internal structure of the control box in this technical solution.

[0012] Reference numerals: 1. Base; 2. Connecting column; 3. Shelf plate; 4. First cylinder; 5. Positioning device; 51. Positioning component; 52. Snap-fit ​​component; 6. Slide rail; 7. Mounting plate; 8. Second cylinder; 9. Adsorption device; 91. Adsorption plate; 92. Groove; 93. Through hole; 94. Vacuum adsorption device; 10. Adhesive device; 101. Connecting component; 102. Support plate; 103. U-shaped component; 104. Pin; 105. Torsion spring; 106. Roller; 107. Rotating rod; 11. PLC controller; 12. Operation box; 13. Power supply; 14. Solenoid valve; 15. Vacuum solenoid valve; 16. Vacuum generator. Detailed Implementation

[0013] The present invention will be further described in detail below with reference to the accompanying drawings.

[0014] Reference Figure 1-3 The present invention discloses an automatic silicone pad application fixture, comprising a base 1, a placement plate 3 connected to the base 1 via a connecting column 2, a first cylinder 4 above the placement plate 3, the output end of the first cylinder 4 penetrating the placement plate 3 and vertically arranged, and a positioning device 5 connected to the output end, wherein the height of the positioning device 5 can be adjusted by the first cylinder 4. A slide rail 6 is located directly below the positioning device 5. The vertical projection of the positioning device 5 coincides with the slide rail 6. A mounting plate 7 is located above the slide rail 6. A second cylinder 8 is connected to one side of the mounting plate 7. The output direction of the second cylinder 8 is parallel to the sliding direction of the slide rail 6. An adsorption device 9 and a sticking device 10 are provided on the mounting plate 7. The adsorption device 9 and the sticking device 10 can be positioned directly below the positioning device 5 after traveling a certain distance. A stroke sensor (not shown in the figure) is provided on one side of the first cylinder 4 and the second cylinder 8. The two stroke sensors are electrically connected to their corresponding first cylinder 4 or second cylinder 8, and both stroke sensors are electrically connected to the PLC controller 11. The stroke of the first cylinder 4 and the second cylinder 8 is controlled by the stroke sensor to provide accuracy of position during movement.

[0015] Furthermore, the positioning device 5 includes a positioning element 51, which has several snap-fit ​​elements 52. The positioning element 51 is a custom-made part used to fix its corresponding workpiece, improving the installation stability between the custom-made part 51 and the workpiece.

[0016] Furthermore, the adsorption device 9 includes an adsorption plate 91, with a groove 92 on the upper surface of the adsorption plate 91. A silicone sensor is provided on one side of the adsorption plate 91, and several through holes 93 are provided in the groove 92. A vacuum adsorption device 94 is provided below the adsorption plate 91. The silicone pad is adsorbed by the vacuum adsorption device 94 to prevent positional movement during the pasting process and improve the accuracy of pasting. The silicone sensor here is actually an infrared sensor, and the aforementioned travel sensor is a fiber optic sensor. The names here are only functional names.

[0017] Furthermore, the fastening device 10 includes two connectors 101 and a support frame 102. The two connectors 101 are respectively hinged to the support frame 102 via U-shaped parts 103. The U-shaped parts 103 are hinged to the connectors 101 via pins 104. A torsion spring 105 is sleeved on the pin 104. A roller 106 is provided on the side of the connector 101 away from the U-shaped parts 103. The roller 106 is sleeved on the rotating rod 107 and the rotating rod 107 is connected to the connector 101. One arm of the torsion spring 105 abuts against the connector 101, and the other arm of the torsion spring 105 abuts against the U-shaped parts 103. When the roller 106 is not subjected to external force, the connector 101 is in a horizontal state. After the silicone pad is attached to the workpiece, the roller 106 is used for further compression to squeeze out the air from the adhesive surface and ensure the adhesion is firm. The torsion spring 105 here can play a restoring role. The restoring force of the torsion spring 105 can maintain the adhesion between the roller 106 and the workpiece.

[0018] Furthermore, an operation box 12 is provided on one side of the first cylinder 4. The operation box 12 contains a power supply 13, a PLC controller 11, and a vacuum generator 16, which is part of the vacuum adsorption device 94.

[0019] The components controlled by the PLC controller 11 in this technical solution mainly include: a first cylinder 4, a second cylinder 8, a stroke sensor, a vacuum generator 16, a vacuum solenoid valve 15 (mainly used for cutting off or connecting the power supply 13, an indispensable component for the PLC controller 11 to form an electrical connection, therefore not described in the aforementioned tooling), two solenoid valves 14 (one for controlling the first cylinder 4 and the other for controlling the second cylinder 8), a roller 106, and the power supply 13. Both cylinder 4 (first cylinder) and cylinder 8 (second cylinder) are equipped with stroke sensors at the beginning and end positions. Work process: 1. In the initial state, the first cylinder 4 and the second cylinder 8 are in their original positions, and the vacuum generator 16 is in a vacuum state; 2. The workpiece is installed in the positioning part 51. The silicone sensor detects that the silicone pad is in place and sends a signal to the PLC controller 11. After a delay of 1.5 seconds, the signal is output and the vacuum solenoid valve 15 is opened to send a vacuum (negative pressure) to the vacuum adsorption device 94 to adsorb the workpiece. 3. Place the workpiece on the positioning column 51, press the start button, send a signal to the PLC controller 11, output a downward pressure signal to open the vacuum solenoid valve 15 and send positive pressure gas to the first cylinder 4, control the first cylinder 4 to press down until the first cylinder 4 reaches the bottom and the stroke sensor lights up. At the same time, the vacuum solenoid valve 15 releases the vacuum adsorption, the workpiece is attached to the silicone pad, and after a delay of 0.5 seconds, the solenoid valve 14 of the first cylinder 4 closes, the first cylinder 4 moves up and returns to its original position with the silicone pad attached, and the stroke sensor lights up. 4. The second cylinder 8 is activated, pushing the workpiece platform directly below the first cylinder 4. The second cylinder 8 moves forward to its position and illuminates. The solenoid valve 14 of the first cylinder 4 opens, pressing down with the silicone pad through the silicone roller 106 and evenly attaching it to the aluminum part, maintaining pressure. After 2 seconds, the solenoid valve 14 of the first cylinder 4 closes, and the first cylinder 4 returns to its original position. After the initial position stroke sensor of the first cylinder 4 illuminates, the solenoid valve 14 of the second cylinder 8 closes, and the second cylinder 8 returns to its original position. The product is then removed, and the process awaits the start of the next step.

[0020] The embodiments described herein are preferred embodiments of this utility model and are not intended to limit the scope of protection of this utility model. Therefore, all equivalent changes made to the structure, shape, and principle of this utility model should be included within the scope of protection of this utility model.

Claims

1. An automatic silicone pad applicator, comprising a base (1), characterized in that, A shelf (3) is connected to the base (1) via a connecting column (2). A first cylinder (4) is located above the shelf (3). The output end of the first cylinder (4) passes through the shelf (3) and is vertically arranged. A positioning device (5) is connected to the output end. A slide rail (6) is located directly below the positioning device (5). The vertical projection of the positioning device (5) coincides with the slide rail (6). A mounting plate (7) is located above the slide rail (6). A second cylinder (8) is connected to one side of the mounting plate (7). The output direction of the slide rail (6) is parallel to the sliding direction of the slide rail (6). The mounting plate (7) is provided with an adsorption device (9) and a sticking device (10). The adsorption device (9) and the sticking device (10) run a certain distance and can be placed directly below the positioning device (5). The first cylinder (4) and the second cylinder (8) are each provided with a stroke sensor on one side. The two stroke sensors are electrically connected to their corresponding first cylinder (4) or second cylinder (8), and both stroke sensors are electrically connected to the PLC controller (11).

2. The automatic silicon rubber pad pasting tool according to claim 1, characterized in that, The positioning device (5) includes a positioning component (51), and the positioning component (51) is provided with a plurality of snap-fit ​​components (52).

3. The automatic silicon rubber pad pasting tool according to claim 2, characterized in that, The adsorption device (9) includes an adsorption plate (91), a groove (92) is provided on the upper surface of the adsorption plate (91), a silicone sensor is provided on one side of the adsorption plate (91), a plurality of through holes (93) are provided in the groove (92), and a vacuum adsorption device (94) is provided below the adsorption plate (91).

4. The automatic silicon rubber pad pasting tool according to claim 3, characterized in that, The fastening device (10) includes two connectors (101) and a support frame (102). The two connectors (101) are respectively hinged to the support frame (102) via U-shaped parts (103). The U-shaped parts (103) are hinged to the connectors (101) via pins (104). A torsion spring (105) is sleeved on the pin (104). A roller (106) is provided on the side of the connector (101) away from the U-shaped parts (103). The roller (106) is sleeved on a rotating rod (107) and the rotating rod (107) is connected to the connector (101). One arm of the torsion spring (105) abuts against the connector (101), and the other arm of the torsion spring (105) abuts against the U-shaped parts (103). When the roller (106) is not subjected to external force, the connector (101) is in a horizontal state.

5. The automatic silicon rubber pad pasting tool according to claim 4, characterized in that, An operation box (12) is provided on one side of the first cylinder (4). The operation box (12) contains a power supply (13), a PLC controller (11), and a vacuum generator (16). The vacuum generator (16) is part of the vacuum adsorption device (94).

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