Substrate film coating tool and method

Abstract

The invention discloses a substrate film covering tool and method, and aims to overcome the defects that the working efficiency of substrate film covering is low, bubbles, wrinkles and other defects often occur, and the high-efficiency and high-quality production requirements are difficult to meet. The device comprises a heating plate and a pressing plate, a positioning groove is formed in the heating plate, a base plate is loaded in the positioning groove, the base plate is covered with a film material, the pressing plate tightly presses the film material, the heating plate is connected with a cooling plate, the pressing plate is connected with a reset spring and a pressing mechanism, the pressing mechanism provides pressing force for the pressing plate, and the reset spring provides resilience force for the pressing plate. According to the substrate film covering tool, film covering operation on the substrate is facilitated, the film covering quality is improved, and the labor cost is reduced.

Description

Technical Field

[0001] The present invention relates to the field of chiller manufacturing, and more particularly to a substrate laminating tool and method. Background Art

[0002] At present, in chemical liquid temperature controllers, graphite substrates are widely used in the sealing link of heat exchange chambers due to their excellent sealing performance. However, in order to further improve the corrosion resistance of graphite substrates under harsh working conditions, a layer of PFA film needs to be covered on their surface. The traditional lamination process has many disadvantages: the operation process is cumbersome and complicated, and it takes a lot of time; the lamination effect is unsatisfactory, the film material and the substrate are not tightly attached, and defects such as bubbles and wrinkles often appear, which seriously affect the lamination quality and the corrosion resistance of the graphite substrate, making it difficult to meet the needs of efficient and high-quality production. For example, Chinese patent application No. 2023116549821 discloses a high thermal conductivity PCB film-coated aluminum substrate and its preparation method, in which a coating layer is coated on the upper surface of an aluminum foil layer and then dried to obtain the high thermal conductivity PCB film-coated aluminum substrate, the surface of which is coated on the surface instead of being coated with a thin film. Summary of the Invention

[0003] In order to overcome the above-mentioned shortcomings, the present invention provides a substrate laminating tool and method, which facilitates the thin film laminating operation on the substrate, improves the laminating quality, and reduces labor costs.

[0004] In order to solve the above technical problems, the present invention adopts the following technical solutions: a substrate coating tooling, including a heating plate and a pressing plate, a positioning groove is provided on the heating plate, the substrate is loaded in the positioning groove, the film material is covered on the substrate, the pressing plate presses the film material, the heating plate is connected to the cooling plate, the pressing plate is connected to the reset spring and the clamping mechanism, the clamping mechanism provides clamping force to the pressing plate, and the reset spring provides rebound force to the pressing plate.

[0005] When laminating a graphite substrate with PFA film, first place the cut film material on the substrate. Then place the substrate into the positioning groove, and the substrate and the positioning groove are adapted and positioned. After that, the clamping mechanism works to press the pressure plate down into place, and the pressure plate presses the film material to expel the bubbles between the film material and the substrate. Then the heating plate works to heat the substrate to the set temperature so that the film material is laminated onto the substrate. After the film material is laminated, the heating plate stops heating. Generally, the heating plate stops heating when the temperature reaches 310°C. Then the cooling plate works to cool the substrate to about 30°C. After cooling is completed, the clamping mechanism and the pressure plate return to their original positions. Under the action of the reset spring, the pressure plate rises above the substrate, leaving space for the substrate to be removed.

[0006] The substrate laminating tooling disclosed in this patent application facilitates the thin film laminating operation on the substrate, improves the laminating quality, and reduces labor costs.

[0007] Preferably, a compression gasket is provided on the lower surface of the pressing plate, and the compression gasket is pressed against the membrane material.

[0008] The provision of the compression gasket can effectively eliminate bubbles and facilitate the removal of the substrate.

[0009] Preferably, the pressure plate is sleeved with a plurality of fixed guide pillars, and a plurality of return springs are sleeved on the plurality of guide pillars respectively.

[0010] The pressure plate moves up and down along the guide post smoothly and reliably, and the return spring is sleeved on the guide post, which is convenient and reliable to install.

[0011] Preferably, a plurality of lift pins are installed at the bottom of the positioning groove, the lift pins are connected to the lifting springs, and the lift pins are pressed against the base plate.

[0012] The cooperation of the ejector pin and the lifting spring can automatically eject the substrate after lamination, making it easy to remove the substrate, avoiding the risk of manual operation and reducing the probability of work-related injuries.

[0013] Preferably, a heating body and a temperature detector are installed in the heating plate.

[0014] The heating element installed in the heating plate heats the heating plate after being energized. The temperature detector detects the temperature of the heating element to facilitate the temperature control of the heating plate, realize precise control of the heating and cooling process, and ensure the quality of the bonding between the PFA film and the graphite substrate.

[0015] Preferably, a cooling channel is provided in the cooling plate.

[0016] A cooling channel is installed in the cooling plate to facilitate the flow of cooling medium into the cooling channel, thereby achieving the cooling effect of the cooling plate.

[0017] Preferably, the clamping mechanism is a pneumatic toggle clamp, on which a pressure head is provided, which presses on the pressure plate.

[0018] The clamping operation of the pressure plate is achieved through the pneumatic toggle clamp, which is easy to operate and reliable.

[0019] In another solution, the pressing mechanism is a pressing piston cylinder, and the telescopic rod of the pressing piston cylinder presses against the pressing plate.

[0020] The operation of the compacting piston cylinder enables the telescopic rod of the compacting piston cylinder to compact the pressure plate smoothly and reliably.

[0021] Preferably, a left push plate and a right push plate are respectively provided on the outer periphery of the left and right sides of the pressure plate, and a left push surface and a right push surface are respectively provided on the opposite surfaces of the left push plate and the right push plate. The left push surface and the right push surface are both inclined toward the left from top to bottom. Before the pressure plate is pressed down into place, the pressure plate moves laterally under the action of the left push surface and the right push surface.

[0022] Before the pressing plate is pressed down into place, the film material has been pressed, and the left and right sides of the pressing plate are respectively pressed against the left pushing surface and the right pushing surface, and the left pushing surface and the right pushing surface are inclined, so the pressing plate moves horizontally, which is conducive to the discharge of bubbles between the film material and the substrate, and the bubble discharge effect is good.

[0023] A substrate laminating method utilizes a substrate laminating tool to perform a laminating operation, comprising the following steps: S1, placing a cut film material on a substrate; S2, feeding the substrate into a positioning groove; S3, a pressing mechanism pressing a pressing plate downward into position to expel bubbles between the film material and the substrate; S4, a heating plate heating the substrate to a set temperature, and laminating the film material onto the substrate; S5, the heating plate stopping heating, and a cooling plate cooling the substrate; S6, the pressing mechanism and the pressing plate returning to their positions, and the substrate being removed.

[0024] During the laminating process, the substrate with the film material is placed into the positioning groove on the heating plate. At this time, due to the elastic force of the return spring, the pressure plate is pushed upward, providing ample space for the substrate to enter and exit, and the positioning groove plays a positioning role for the substrate. Then, the clamping mechanism works to provide a clamping force to the pressure plate, causing the pressure plate to move downward, thereby pressing the film material and substrate, and at the same time expelling the air between the film material and the substrate. The heating body then heats the substrate. The heating process completes the laminating operation of the film material, so that the film material completely covers the substrate surface. The cooling plate then cools the substrate, and the substrate can be removed after cooling is complete. The entire process is convenient to operate and highly efficient, which improves work efficiency and reduces labor costs.

[0025] Compared with the prior art, the beneficial effects of the present invention are as follows: (1) the substrate laminating tooling of the present patent application facilitates the laminating operation of the substrate with a thin film, improves the laminating quality, and reduces labor costs; (2) through the coordinated work of the pneumatic elbow clamp, the cooling plate, the heating body, and the temperature detector, the laminating process is fully automated, the production efficiency is greatly improved, the heating and cooling processes are accurately controlled, and the quality of the bonding between the PFA film and the graphite substrate is ensured; (3) the setting of the clamping gasket can effectively eliminate bubbles and facilitate the removal of the substrate; (4) the cooperation of the ejector pin and the lifting spring can realize the automatic upward ejection of the substrate after the lamination is completed, which is convenient for removing the substrate, avoiding the risk of manual operation and reducing the probability of work-related injuries; (5) the substrate laminating tooling is suitable for laminating graphite substrates in chemical liquid temperature controllers, which not only improves production efficiency, but also significantly reduces the risk of work-related injuries, and has good industrial application prospects and wide applicability. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] Figure 1 It is a structural diagram of embodiment 1 of the present invention.

[0027] Figure 2 It is an exploded view of Example 1 of the present invention.

[0028] Figure 3 It is a cross-sectional view of Example 1 of the present invention.

[0029] Figure 4 It is a cross-sectional view of Example 2 of the present invention.

[0030] Figure 5 It is a cross-sectional view of Examples 3 and 4 of the present invention.

[0031] In the figure: 1, heating plate, 2, pressure plate, 3, positioning groove, 4, base plate, 5, membrane material, 6, pressing gasket, 7, cooling plate, 8, cooling channel, 9, return spring, 10, guide column, 11, limit head, 12, connector, 13, guide hole, 14, left push plate, 15, right push plate, 16, left push surface, 17, right push surface, 18, left top plate, 19, right top plate, 20, upper left convex surface, 21, lower left concave surface, 22, right Concave surface, 23, upper right convex surface, 24, heating body, 25, temperature detector, 26, ejector pin, 27, lifting spring, 28, limiting flange, 29, jack, 30, sinking hole, 31, pneumatic elbow clamp, 32, pressure head, 33, connecting seat, 34, cylinder, 35, pressure rod, 36, slide groove, 37, slide seat, 38, support rod, 39, support block, 40, clamping piston cylinder, 41, bracket, 42, pressure plate, 43, rotating rod. DETAILED DESCRIPTION

[0032] The technical solution of the present invention is further described in detail below through specific embodiments and in conjunction with the accompanying drawings: Example 1: A substrate laminating tool (see Figure 1 、 Figure 2 、 Figure 3 ), including a heating plate 1 and a pressing plate 2, the pressing plate 2 is placed above the heating plate 1, a positioning groove 3 is provided on the heating plate 1, the positioning groove 3 is provided on the upper surface of the substrate 4, the substrate 4 and the positioning groove 3 are adapted, the substrate 4 is loaded in the positioning groove 3, the substrate 4 is covered with a film material 5, the pressing plate 2 presses the film material 5, the thickness of the substrate 4 is greater than the depth of the positioning groove 3, and the substrate 4 is higher than the upper surface of the heating plate 1 after being loaded into the positioning groove 3. The substrate 4 in this embodiment is a graphite substrate 4, and the film material 5 is a PFA film. A pressing gasket 6 is provided on the lower surface of the pressing plate 2, and the pressing gasket 6 is pressed on the film material 5. The pressing gasket 6 is a foamed flame-retardant gasket, and the upper and lower surfaces of the pressing gasket 6 are both adhered with high-temperature resistant Teflon cloth. The surface of the high-temperature resistant Teflon cloth is smooth and has a low hardness. During lamination, bubbles between the PFA film and the graphite substrate 4 can be squeezed out, and its smooth surface is also conducive to removing the graphite substrate 4 after lamination.

[0033] The heating plate 1 is connected to the cooling plate 7, which is attached to the upper surface of the cooling plate 7. A cooling channel 8 is provided within the cooling plate 7. The cooling channel 8 facilitates the flow of cooling medium into the cooling channel 8, thereby achieving a cooling effect on the cooling plate 7. The pressing plate 2 is connected to a return spring 9 and a clamping mechanism. The clamping mechanism provides a clamping force to the pressing plate 2, and the return spring 9 provides a rebound force to the pressing plate 2.

[0034] The pressure plate 2 is fitted with several fixed guide posts 10, the lower ends of which are securely connected to the cooling plate 7. Several return springs 9 are fitted onto these guide posts 10. The upper ends of the guide posts 10 are fitted with stoppers 11, while the lower ends of the guide posts 10 are fitted with connectors 12, which are threadedly connected to the cooling plate 7. The pressure plate 2 is provided with guide holes 13, into which the guide posts 10 are movably connected. The diameter of the stoppers 11 is greater than the diameter of the guide holes 13, which is greater than the diameter of the guide posts 10, and which is greater than the diameter of the connectors 12.

[0035] A heating body 24 and a temperature detector 25 are installed in the heating plate 1. The heating body 24 is a heating rod, and multiple heating rods are installed at different positions of the heating plate 1 to ensure uniform heating of the heating plate 1. The heating body 24 and the temperature detector 25 are both electrically connected to the temperature controller. The temperature detector 25 transmits the detected temperature signal to the temperature controller, and the temperature controller outputs a control signal to the heating body 24, thereby achieving precise control of the temperature of the heating plate 1. The heating body 24 installed in the heating plate 1 heats the heating plate 1 after being energized, and the temperature detector 25 detects the temperature of the heating body 24, which facilitates the control of the temperature of the heating plate 1, achieves precise control of the heating and cooling processes, and ensures the quality of the bonding between the PFA film and the graphite substrate 4.

[0036] Several lifting pins 26 are installed at the bottom of the positioning groove 3. The pins 26 are connected to the lifting springs 27, and the pins 26 are pressed against the substrate 4. A limiting flange 28 is provided at the lower end of the pins 26, and a socket 29 adapted for the pins 26 is provided at the bottom of the positioning groove 3. The lifting spring 27 abuts between the limiting flange 28 and the cooling plate 7. The limiting convex ring abuts the lower surface of the heating plate 1, and the upper part of the pins 26 extends through the socket 29. The cooling plate 7 is provided with a sinking hole 30 corresponding to the pins 26. The limiting flange 28 and the lifting spring 27 are placed in the sinking hole 30. The sinking hole 30 provides space for the downward movement of the pins 26. In this embodiment, four pins 26 are provided, which makes the lifting of the substrate 4 more stable.

[0037] The clamping mechanism is a pneumatic toggle clamp 31, which is equipped with a pressure head 32, which presses on the pressure plate 2. The pneumatic toggle clamp 31 includes a connecting base 33, a cylinder 34, and a pressure rod 35. One end of the pressure rod 35 is hinged to the connecting base 33, and the pressure head 32 is connected to the pressure rod 35. The pressure rod 35 is provided with a slide 36, and the slide 37 is slidably connected to the slide 36. The pressure head 32 is firmly connected to the slide 37. The cylinder 34 is hinged to the connecting base 33, and a support rod 38 is hinged to the connecting base 33. The rotating rod 43 is hinged to the pressure rod 35. The support rod 38, the rotating rod 43, and the telescopic rod of the cylinder 34 are hinged together via the same hinge axis. The telescopic movement of the cylinder 34 causes the pressure head 32 to rotate upward and downward. A support block 39 is mounted on the cooling plate 7, and the connecting base 33 is mounted on the support block 39.

[0038] A substrate laminating method uses a substrate laminating tool to perform a laminating operation, comprising the following steps: S1, placing a cut film material 5 on a substrate 4; the size of the film material 5 is slightly larger than that of the substrate 4.

[0039] S2 , using a clamp to send the substrate 4 into the positioning groove 3 , the substrate 4 is located on the ejector pins 26 , and the upper ends of the ejector pins 26 abut against the substrate 4 .

[0040] S3, the clamping mechanism presses the pressing plate 2 downward into place to expel the bubbles between the film material 5 and the substrate 4; the cylinder 34 of the pneumatic toggle clamp 31 works, causing the telescopic rod of the cylinder 34 to extend outward, thereby driving the pressing rod 35 to rotate downward so that the pressure head 32 is pressed on the pressing plate 2.

[0041] S4, the temperature controller controls the heating rod to operate, so that the heating plate 1 heats the substrate 4 to the set temperature, and the film material 5 is coated on the substrate 4; S5, when the temperature of the heating plate 1 reaches 310°C, the thermostat controls the heating rod to stop working, the heating plate 1 stops heating, and the cooling plate 7 starts working to cool the substrate 4; the cooling medium is introduced into the cooling channel 8 in the cooling plate 7 to cool the substrate 4, and finally the entire tooling is cooled to about 30°C.

[0042] S6, the clamping mechanism and pressure plate 2 return to their original positions, and the substrate 4 is removed. The cylinder 34 of the pneumatic toggle clamp 31 operates, causing the telescopic rod of the cylinder 34 to retract inward, thereby driving the pressure rod 35 to rotate upward, separating the pressure head 32 from the pressure plate 2. The return spring 9 pushes up the pressure plate 2, and the ejector pin 26 pushes up the substrate 4, facilitating the removal of the substrate 4.

[0043] During the laminating operation, the substrate 4 with the film material 5 is placed into the positioning groove 3 on the heating plate 1. At this time, due to the elastic force of the return spring 9, the pressure plate 2 is pushed upward, providing sufficient space for the substrate 4 to enter and exit, and the positioning groove 3 plays a positioning role for the substrate 4. Then the pressing mechanism works to provide a pressing force to the pressure plate 2, causing the pressure plate 2 to move downward to press the film material 5 and the substrate 4, while exhausting the air between the film material 5 and the substrate 4. Afterwards, the heating body 24 heats the substrate 4, and the heating process completes the laminating operation of the film material 5, so that the film material 5 is completely covered on the surface of the substrate 4. The cooling plate 7 then cools the substrate 4, and the substrate 4 can be taken out after cooling is completed. The whole process is easy to operate and has high work efficiency, which improves work efficiency and reduces labor costs.

[0044] Example 2: A substrate laminating tool (see Figure 4 ), including a heating plate 1 and a pressing plate 2, the pressing plate 2 is placed above the heating plate 1, a positioning groove 3 is provided on the heating plate 1, the positioning groove 3 is provided on the upper surface of the substrate 4, the substrate 4 and the positioning groove 3 are adapted, the substrate 4 is loaded in the positioning groove 3, the substrate 4 is covered with a film material 5, the pressing plate 2 presses the film material 5, the thickness of the substrate 4 is greater than the depth of the positioning groove 3, and the substrate 4 is higher than the upper surface of the heating plate 1 after being loaded into the positioning groove 3. The substrate 4 in this embodiment is a graphite substrate 4, and the film material 5 is a PFA film. A pressing gasket 6 is provided on the lower surface of the pressing plate 2, and the pressing gasket 6 is pressed on the film material 5. The pressing gasket 6 is a foamed flame-retardant gasket, and the upper and lower surfaces of the pressing gasket 6 are both adhered with high-temperature resistant Teflon cloth. The surface of the high-temperature resistant Teflon cloth is smooth and has a low hardness. During lamination, bubbles between the PFA film and the graphite substrate 4 can be squeezed out, and its smooth surface is also conducive to removing the graphite substrate 4 after lamination.

[0045] The heating plate 1 is connected to the cooling plate 7, which is attached to the upper surface of the cooling plate 7. A cooling channel 8 is provided within the cooling plate 7. The cooling channel 8 facilitates the flow of cooling medium into the cooling channel 8, thereby achieving a cooling effect on the cooling plate 7. The pressing plate 2 is connected to a return spring 9 and a clamping mechanism. The clamping mechanism provides a clamping force to the pressing plate 2, and the return spring 9 provides a rebound force to the pressing plate 2.

[0046] The pressure plate 2 is fitted with several fixed guide posts 10, the lower ends of which are securely connected to the cooling plate 7. Several return springs 9 are fitted onto these guide posts 10. The upper ends of the guide posts 10 are fitted with stoppers 11, while the lower ends of the guide posts 10 are fitted with connectors 12, which are threadedly connected to the cooling plate 7. The pressure plate 2 is provided with guide holes 13, into which the guide posts 10 are movably connected. The diameter of the stoppers 11 is greater than the diameter of the guide holes 13, which is greater than the diameter of the guide posts 10, and which is greater than the diameter of the connectors 12.

[0047] A heating body 24 and a temperature detector 25 are installed in the heating plate 1. The heating body 24 is a heating rod, and multiple heating rods are installed at different positions of the heating plate 1 to ensure uniform heating of the heating plate 1. The heating body 24 and the temperature detector 25 are both electrically connected to the temperature controller. The temperature detector 25 transmits the detected temperature signal to the temperature controller, and the temperature controller outputs a control signal to the heating body 24, thereby achieving precise control of the temperature of the heating plate 1. The heating body 24 installed in the heating plate 1 heats the heating plate 1 after being energized, and the temperature detector 25 detects the temperature of the heating body 24, which facilitates the control of the temperature of the heating plate 1, achieves precise control of the heating and cooling processes, and ensures the quality of the bonding between the PFA film and the graphite substrate 4.

[0048] Several lifting pins 26 are installed at the bottom of the positioning groove 3. The pins 26 are connected to the lifting springs 27, and the pins 26 are pressed against the substrate 4. A limiting flange 28 is provided at the lower end of the pins 26, and a socket 29 adapted for the pins 26 is provided at the bottom of the positioning groove 3. The lifting spring 27 abuts between the limiting flange 28 and the cooling plate 7. The limiting convex ring abuts the lower surface of the heating plate 1, and the upper part of the pins 26 extends through the socket 29. The cooling plate 7 is provided with a sinking hole 30 corresponding to the pins 26. The limiting flange 28 and the lifting spring 27 are placed in the sinking hole 30. The sinking hole 30 provides space for the downward movement of the pins 26. In this embodiment, four pins 26 are provided, which makes the lifting of the substrate 4 more stable.

[0049] The clamping mechanism is a clamping piston cylinder 40, and the telescopic rod of the clamping piston cylinder 40 is pressed against the pressure plate 2. A bracket 41 is installed on the cooling plate 7, and the clamping piston cylinder 40 is installed on the bracket 41. A pressure plate 42 is set at the end of the telescopic rod of the clamping piston cylinder 40, and the pressure plate 42 is pressed on the pressure plate 2.

[0050] A substrate laminating method uses a substrate laminating tool to perform a laminating operation, comprising the following steps: S1, placing a cut film material 5 on a substrate 4; the size of the film material 5 is slightly larger than that of the substrate 4.

[0051] S2 , using a clamp to send the substrate 4 into the positioning groove 3 , the substrate 4 is located on the ejector pins 26 , and the upper ends of the ejector pins 26 abut against the substrate 4 .

[0052] S3, the pressing mechanism presses the pressing plate 2 downward into place to discharge the bubbles between the film material 5 and the substrate 4; the pressing piston cylinder 40 works so that the telescopic rod of the pressing piston cylinder 40 presses the pressing plate 2 downward.

[0053] S4, the temperature controller controls the heating rod to operate, so that the heating plate 1 heats the substrate 4 to the set temperature, and the film material 5 is coated on the substrate 4; S5, when the temperature of the heating plate 1 reaches 310°C, the thermostat controls the heating rod to stop working, the heating plate 1 stops heating, and the cooling plate 7 starts working to cool the substrate 4; the cooling medium is introduced into the cooling channel 8 in the cooling plate 7 to cool the substrate 4, and finally the entire tooling is cooled to about 30°C.

[0054] S6, the clamping mechanism and the pressing plate 2 return to their original positions, and the substrate 4 is removed. The clamping piston cylinder 40 operates to retract the telescopic rod of the clamping piston cylinder 40, and the pressure plate 42 separates from the pressing plate 2. The return spring 9 lifts the pressing plate 2, and the ejector pin 26 lifts the substrate 4, making it easier to remove the substrate 4.

[0055] During the laminating operation, the substrate 4 with the film material 5 is placed into the positioning groove 3 on the heating plate 1. At this time, due to the elastic force of the return spring 9, the pressure plate 2 is pushed upward, providing sufficient space for the substrate 4 to enter and exit, and the positioning groove 3 plays a positioning role for the substrate 4. Then the pressing mechanism works to provide a pressing force to the pressure plate 2, causing the pressure plate 2 to move downward to press the film material 5 and the substrate 4, while exhausting the air between the film material 5 and the substrate 4. Afterwards, the heating body 24 heats the substrate 4, and the heating process completes the laminating operation of the film material 5, so that the film material 5 is completely covered on the surface of the substrate 4. The cooling plate 7 then cools the substrate 4, and the substrate 4 can be taken out after cooling is completed. The whole process is easy to operate and has high work efficiency, which improves work efficiency and reduces labor costs.

[0056] Example 3: A substrate laminating tool (see Figure 1 、 Figure 2 、 Figure 5 ), including a heating plate 1 and a pressing plate 2, the pressing plate 2 is placed above the heating plate 1, a positioning groove 3 is provided on the heating plate 1, the positioning groove 3 is provided on the upper surface of the substrate 4, the substrate 4 and the positioning groove 3 are adapted, the substrate 4 is loaded in the positioning groove 3, the substrate 4 is covered with a film material 5, the pressing plate 2 presses the film material 5, the thickness of the substrate 4 is greater than the depth of the positioning groove 3, and the substrate 4 is higher than the upper surface of the heating plate 1 after being loaded into the positioning groove 3. The substrate 4 in this embodiment is a graphite substrate 4, and the film material 5 is a PFA film. A pressing gasket 6 is provided on the lower surface of the pressing plate 2, and the pressing gasket 6 is pressed on the film material 5. The pressing gasket 6 is a foamed flame-retardant gasket, and the upper and lower surfaces of the pressing gasket 6 are both adhered with high-temperature resistant Teflon cloth. The surface of the high-temperature resistant Teflon cloth is smooth and has a low hardness. During lamination, bubbles between the PFA film and the graphite substrate 4 can be squeezed out, and its smooth surface is also conducive to removing the graphite substrate 4 after lamination.

[0057] The heating plate 1 is connected to the cooling plate 7, which is attached to the upper surface of the cooling plate 7. A cooling channel 8 is provided within the cooling plate 7. The cooling channel 8 facilitates the flow of cooling medium into the cooling channel 8, thereby achieving a cooling effect on the cooling plate 7. The pressing plate 2 is connected to a return spring 9 and a clamping mechanism. The clamping mechanism provides a clamping force to the pressing plate 2, and the return spring 9 provides a rebound force to the pressing plate 2.

[0058] The pressure plate 2 is fitted with several fixed guide posts 10, the lower ends of which are securely connected to the cooling plate 7. Several return springs 9 are fitted onto these guide posts 10. The upper ends of the guide posts 10 are fitted with stoppers 11, while the lower ends of the guide posts 10 are fitted with connectors 12, which are threadedly connected to the cooling plate 7. The pressure plate 2 is provided with guide holes 13, into which the guide posts 10 are movably connected. The diameter of the stoppers 11 is greater than the diameter of the guide holes 13, which is greater than the diameter of the guide posts 10, and which is greater than the diameter of the connectors 12.

[0059] A left push plate 14 and a right push plate 15 are respectively provided on the periphery of the left and right sides of the pressure plate 2. The left push plate 14 and the right push plate 15 are both fastened to the cooling plate 7. A left push surface 16 and a right push surface 17 are respectively provided on the opposing surfaces of the left push plate 14 and the right push plate 15. The left push surface 16 and the right push surface 17 are both inclined downward and leftward. Before the pressure plate 2 is pressed into place, the pressure plate 2 moves laterally under the action of the left push surface 16 and the right push surface 17. A left top plate 18 and a right top plate 19 are respectively provided on the left and right sides of the pressure plate 2. The left top plate 18 and the right top plate 19 are respectively abutted against the left push surface 16 and the right push surface 17. An upper left convex surface 20 and a lower left concave surface 21 are respectively provided on the upper and lower sides of the left push surface 16 of the left push plate 14. The upper left convex surface 20 and the lower left concave surface 21 are both vertical planes. The right push plate 15 has a lower right concave surface 22 and an upper right convex surface 23 on either side of the right push surface 17, respectively. Both the lower right concave surface 22 and the upper right convex surface 23 are vertical planes. The upper left convex surface 20 faces the lower right concave surface 22, while the lower left concave surface 21 faces the upper right convex surface 23. The left push surface 16 faces the right push surface 17. A lateral clearance is provided between the outer wall of the guide post 10 and the inner wall of the guide hole 13 to prevent interference with the lateral movement of the pressure plate 2.

[0060] Before the pressing plate 2 is pressed down into place, the film material 5 has been pressed, and the left and right sides of the pressing plate 2 are respectively pressed against the left pushing surface 16 and the right pushing surface 17, and the left pushing surface 16 and the right pushing surface 17 are set at an angle, so the pressing plate 2 moves horizontally, which is conducive to the discharge of bubbles between the film material 5 and the substrate 4, and the bubble discharge effect is good.

[0061] A heating body 24 and a temperature detector 25 are installed in the heating plate 1. The heating body 24 is a heating rod, and multiple heating rods are installed at different positions of the heating plate 1 to ensure uniform heating of the heating plate 1. The heating body 24 and the temperature detector 25 are both electrically connected to the temperature controller. The temperature detector 25 transmits the detected temperature signal to the temperature controller, and the temperature controller outputs a control signal to the heating body 24, thereby achieving precise control of the temperature of the heating plate 1. The heating body 24 installed in the heating plate 1 heats the heating plate 1 after being energized, and the temperature detector 25 detects the temperature of the heating body 24, which facilitates the control of the temperature of the heating plate 1, achieves precise control of the heating and cooling processes, and ensures the quality of the bonding between the PFA film and the graphite substrate 4.

[0062] Several lifting pins 26 are installed at the bottom of the positioning groove 3. The pins 26 are connected to the lifting springs 27, and the pins 26 are pressed against the substrate 4. A limiting flange 28 is provided at the lower end of the pins 26, and a socket 29 adapted for the pins 26 is provided at the bottom of the positioning groove 3. The lifting spring 27 abuts between the limiting flange 28 and the cooling plate 7. The limiting convex ring abuts the lower surface of the heating plate 1, and the upper part of the pins 26 extends through the socket 29. The cooling plate 7 is provided with a sinking hole 30 corresponding to the pins 26. The limiting flange 28 and the lifting spring 27 are placed in the sinking hole 30. The sinking hole 30 provides space for the downward movement of the pins 26. In this embodiment, four pins 26 are provided, which makes the lifting of the substrate 4 more stable.

[0063] The clamping mechanism is a pneumatic toggle clamp 31, which is equipped with a pressure head 32, which presses on the pressure plate 2. The pneumatic toggle clamp 31 includes a connecting base 33, a cylinder 34, and a pressure rod 35. One end of the pressure rod 35 is hinged to the connecting base 33, and the pressure head 32 is connected to the pressure rod 35. The pressure rod 35 is provided with a slide 36, and the slide 37 is slidably connected to the slide 36. The pressure head 32 is firmly connected to the slide 37. The cylinder 34 is hinged to the connecting base 33, and a support rod 38 is hinged to the connecting base 33. The rotating rod 43 is hinged to the pressure rod 35. The support rod 38, the rotating rod 43, and the telescopic rod of the cylinder 34 are hinged together via the same hinge axis. The telescopic movement of the cylinder 34 causes the pressure head 32 to rotate upward and downward. A support block 39 is mounted on the cooling plate 7, and the connecting base 33 is mounted on the support block 39.

[0064] A substrate laminating method uses a substrate laminating tool to perform a laminating operation, comprising the following steps: S1, placing a cut film material 5 on a substrate 4; the size of the film material 5 is slightly larger than that of the substrate 4.

[0065] S2 , using a clamp to send the substrate 4 into the positioning groove 3 , the substrate 4 is located on the ejector pins 26 , and the upper ends of the ejector pins 26 abut against the substrate 4 .

[0066] S3, the clamping mechanism presses the pressing plate 2 downward into place to expel the bubbles between the film material 5 and the substrate 4; the cylinder 34 of the pneumatic toggle clamp 31 works, causing the telescopic rod of the cylinder 34 to extend outward, thereby driving the pressing rod 35 to rotate downward so that the pressure head 32 is pressed on the pressing plate 2.

[0067] S4, the temperature controller controls the heating rod to operate, so that the heating plate 1 heats the substrate 4 to the set temperature, and the film material 5 is coated on the substrate 4; S5, when the temperature of the heating plate 1 reaches 310°C, the thermostat controls the heating rod to stop working, the heating plate 1 stops heating, and the cooling plate 7 starts working to cool the substrate 4; the cooling medium is introduced into the cooling channel 8 in the cooling plate 7 to cool the substrate 4, and finally the entire tooling is cooled to about 30°C.

[0068] S6, the clamping mechanism and pressure plate 2 return to their original positions, and the substrate 4 is removed. The cylinder 34 of the pneumatic toggle clamp 31 operates, causing the telescopic rod of the cylinder 34 to retract inward, thereby driving the pressure rod 35 to rotate upward, separating the pressure head 32 from the pressure plate 2. The return spring 9 pushes up the pressure plate 2, and the ejector pin 26 pushes up the substrate 4, facilitating the removal of the substrate 4.

[0069] During the laminating operation, the substrate 4 with the film material 5 is placed into the positioning groove 3 on the heating plate 1. At this time, due to the elastic force of the return spring 9, the pressure plate 2 is pushed upward, providing sufficient space for the substrate 4 to enter and exit, and the positioning groove 3 plays a positioning role for the substrate 4. Then the pressing mechanism works to provide a pressing force to the pressure plate 2, causing the pressure plate 2 to move downward to press the film material 5 and the substrate 4, while exhausting the air between the film material 5 and the substrate 4. Afterwards, the heating body 24 heats the substrate 4, and the heating process completes the laminating operation of the film material 5, so that the film material 5 is completely covered on the surface of the substrate 4. The cooling plate 7 then cools the substrate 4, and the substrate 4 can be taken out after cooling is completed. The whole process is easy to operate and has high work efficiency, which improves work efficiency and reduces labor costs.

[0070] Example 4: A substrate laminating tool (see Figure 5), including a heating plate 1 and a pressing plate 2, the pressing plate 2 is placed above the heating plate 1, a positioning groove 3 is provided on the heating plate 1, the positioning groove 3 is provided on the upper surface of the substrate 4, the substrate 4 and the positioning groove 3 are adapted, the substrate 4 is loaded in the positioning groove 3, the substrate 4 is covered with a film material 5, the pressing plate 2 presses the film material 5, the thickness of the substrate 4 is greater than the depth of the positioning groove 3, and the substrate 4 is higher than the upper surface of the heating plate 1 after being loaded into the positioning groove 3. The substrate 4 in this embodiment is a graphite substrate 4, and the film material 5 is a PFA film. A pressing gasket 6 is provided on the lower surface of the pressing plate 2, and the pressing gasket 6 is pressed on the film material 5. The pressing gasket 6 is a foamed flame-retardant gasket, and the upper and lower surfaces of the pressing gasket 6 are both adhered with high-temperature resistant Teflon cloth. The surface of the high-temperature resistant Teflon cloth is smooth and has a low hardness. During lamination, bubbles between the PFA film and the graphite substrate 4 can be squeezed out, and its smooth surface is also conducive to removing the graphite substrate 4 after lamination.

[0071] The heating plate 1 is connected to the cooling plate 7, which is attached to the upper surface of the cooling plate 7. A cooling channel 8 is provided within the cooling plate 7. The cooling channel 8 facilitates the flow of cooling medium into the cooling channel 8, thereby achieving a cooling effect on the cooling plate 7. The pressing plate 2 is connected to a return spring 9 and a clamping mechanism. The clamping mechanism provides a clamping force to the pressing plate 2, and the return spring 9 provides a rebound force to the pressing plate 2.

[0072] The pressure plate 2 is fitted with several fixed guide posts 10, the lower ends of which are securely connected to the cooling plate 7. Several return springs 9 are fitted onto these guide posts 10. The upper ends of the guide posts 10 are fitted with stoppers 11, while the lower ends of the guide posts 10 are fitted with connectors 12, which are threadedly connected to the cooling plate 7. The pressure plate 2 is provided with guide holes 13, into which the guide posts 10 are movably connected. The diameter of the stoppers 11 is greater than the diameter of the guide holes 13, which is greater than the diameter of the guide posts 10, and which is greater than the diameter of the connectors 12.

[0073] A left push plate 14 and a right push plate 15 are respectively provided on the periphery of the left and right sides of the pressure plate 2. The left push plate 14 and the right push plate 15 are both fastened to the cooling plate 7. A left push surface 16 and a right push surface 17 are respectively provided on the opposing surfaces of the left push plate 14 and the right push plate 15. The left push surface 16 and the right push surface 17 are both inclined downward and leftward. Before the pressure plate 2 is pressed into place, the pressure plate 2 moves laterally under the action of the left push surface 16 and the right push surface 17. A left top plate 18 and a right top plate 19 are respectively provided on the left and right sides of the pressure plate 2. The left top plate 18 and the right top plate 19 are respectively abutted against the left push surface 16 and the right push surface 17. An upper left convex surface 20 and a lower left concave surface 21 are respectively provided on the upper and lower sides of the left push surface 16 of the left push plate 14. The upper left convex surface 20 and the lower left concave surface 21 are both vertical planes. The right push plate 15 has a lower right concave surface 22 and an upper right convex surface 23 on either side of the right push surface 17, respectively. Both the lower right concave surface 22 and the upper right convex surface 23 are vertical planes. The upper left convex surface 20 faces the lower right concave surface 22, while the lower left concave surface 21 faces the upper right convex surface 23. The left push surface 16 faces the right push surface 17. A lateral clearance is provided between the outer wall of the guide post 10 and the inner wall of the guide hole 13 to prevent interference with the lateral movement of the pressure plate 2.

[0074] Before the pressing plate 2 is pressed down into place, the film material 5 has been pressed, and the left and right sides of the pressing plate 2 are respectively pressed against the left pushing surface 16 and the right pushing surface 17, and the left pushing surface 16 and the right pushing surface 17 are set at an angle, so the pressing plate 2 moves horizontally, which is conducive to the discharge of bubbles between the film material 5 and the substrate 4, and the bubble discharge effect is good.

[0075] A heating body 24 and a temperature detector 25 are installed in the heating plate 1. The heating body 24 is a heating rod, and multiple heating rods are installed at different positions of the heating plate 1 to ensure uniform heating of the heating plate 1. The heating body 24 and the temperature detector 25 are both electrically connected to the temperature controller. The temperature detector 25 transmits the detected temperature signal to the temperature controller, and the temperature controller outputs a control signal to the heating body 24, thereby achieving precise control of the temperature of the heating plate 1. The heating body 24 installed in the heating plate 1 heats the heating plate 1 after being energized, and the temperature detector 25 detects the temperature of the heating body 24, which facilitates the control of the temperature of the heating plate 1, achieves precise control of the heating and cooling processes, and ensures the quality of the bonding between the PFA film and the graphite substrate 4.

[0076] Several lifting pins 26 are installed at the bottom of the positioning groove 3. The pins 26 are connected to the lifting springs 27, and the pins 26 are pressed against the substrate 4. A limiting flange 28 is provided at the lower end of the pins 26, and a socket 29 adapted for the pins 26 is provided at the bottom of the positioning groove 3. The lifting spring 27 abuts between the limiting flange 28 and the cooling plate 7. The limiting convex ring abuts the lower surface of the heating plate 1, and the upper part of the pins 26 extends through the socket 29. The cooling plate 7 is provided with a sinking hole 30 corresponding to the pins 26. The limiting flange 28 and the lifting spring 27 are placed in the sinking hole 30. The sinking hole 30 provides space for the downward movement of the pins 26. In this embodiment, four pins 26 are provided, which makes the lifting of the substrate 4 more stable.

[0077] The clamping mechanism is a clamping piston cylinder 40, and the telescopic rod of the clamping piston cylinder 40 is pressed against the pressure plate 2. A bracket 41 is installed on the cooling plate 7, and the clamping piston cylinder 40 is installed on the bracket 41. A pressure plate 42 is set at the end of the telescopic rod of the clamping piston cylinder 40, and the pressure plate 42 is pressed on the pressure plate 2.

[0078] A substrate laminating method uses a substrate laminating tool to perform a laminating operation, comprising the following steps: S1, placing a cut film material 5 on a substrate 4; the size of the film material 5 is slightly larger than that of the substrate 4.

[0079] S2 , using a clamp to send the substrate 4 into the positioning groove 3 , the substrate 4 is located on the ejector pins 26 , and the upper ends of the ejector pins 26 abut against the substrate 4 .

[0080] S3, the pressing mechanism presses the pressing plate 2 downward into place to discharge the bubbles between the film material 5 and the substrate 4; the pressing piston cylinder 40 works so that the telescopic rod of the pressing piston cylinder 40 presses the pressing plate 2 downward.

[0081] S4, the temperature controller controls the heating rod to operate, so that the heating plate 1 heats the substrate 4 to the set temperature, and the film material 5 is coated on the substrate 4; S5, when the temperature of the heating plate 1 reaches 310°C, the thermostat controls the heating rod to stop working, the heating plate 1 stops heating, and the cooling plate 7 starts working to cool the substrate 4; the cooling medium is introduced into the cooling channel 8 in the cooling plate 7 to cool the substrate 4, and finally the entire tooling is cooled to about 30°C.

[0082] S6, the clamping mechanism and the pressing plate 2 return to their original positions, and the substrate 4 is removed. The clamping piston cylinder 40 operates to retract the telescopic rod of the clamping piston cylinder 40, and the pressure plate 42 separates from the pressing plate 2. The return spring 9 lifts the pressing plate 2, and the ejector pin 26 lifts the substrate 4, making it easier to remove the substrate 4.

[0083] During the laminating operation, the substrate 4 with the film material 5 is placed into the positioning groove 3 on the heating plate 1. At this time, due to the elastic force of the return spring 9, the pressure plate 2 is pushed upward, providing sufficient space for the substrate 4 to enter and exit, and the positioning groove 3 plays a positioning role for the substrate 4. Then the pressing mechanism works to provide a pressing force to the pressure plate 2, causing the pressure plate 2 to move downward to press the film material 5 and the substrate 4, while exhausting the air between the film material 5 and the substrate 4. Afterwards, the heating body 24 heats the substrate 4, and the heating process completes the laminating operation of the film material 5, so that the film material 5 is completely covered on the surface of the substrate 4. The cooling plate 7 then cools the substrate 4, and the substrate 4 can be taken out after cooling is completed. The whole process is easy to operate and has high work efficiency, which improves work efficiency and reduces labor costs.

[0084] The above-described embodiments are only preferred solutions of the present invention and are not intended to limit the present invention in any form. Other variations and modifications are possible without exceeding the technical solutions described in the claims.

Claims

1. A substrate laminating tool, characterized in that: It includes a heating plate and a pressing plate. A positioning groove is set on the heating plate. The substrate is loaded in the positioning groove. The substrate is covered with a film material. The pressing plate presses the film material. The heating plate is connected to the cooling plate. The pressing plate is connected to the reset spring and the pressing mechanism. The pressing mechanism provides a pressing force to the pressing plate, and the reset spring provides a rebound force to the pressing plate.

2. A substrate laminating tool according to claim 1, characterized in that: A compression gasket is provided on the lower surface of the pressing plate, and the compression gasket is pressed tightly on the membrane material.

3. The substrate laminating tool according to claim 1, wherein: The pressing plate is sleeved with a plurality of fixed guide pillars, and a plurality of return springs are sleeved on the plurality of guide pillars respectively.

4. The substrate laminating tool according to claim 1, wherein: A plurality of lifting pins are installed at the bottom of the positioning groove. The pins are connected to the lifting springs and are pressed against the base plate.

5. The substrate laminating tool according to claim 1, wherein: A heating body and a temperature detector are installed in the heating plate.

6. The substrate laminating tool according to claim 1, characterized in that: A cooling channel is provided in the cooling plate.

7. The substrate laminating tool according to claim 1, characterized in that: The clamping mechanism is a pneumatic toggle clamp, on which a pressure head is arranged, and the pressure head presses on the pressure plate.

8. The substrate laminating tool according to claim 1, wherein: The pressing mechanism is a pressing piston cylinder, and the telescopic rod of the pressing piston cylinder is pressed against the pressing plate.

9. A substrate laminating tool according to any one of claims 1 to 8, characterized in that: A left push plate and a right push plate are respectively arranged on the periphery of the left and right sides of the pressure plate, and a left push surface and a right push surface are respectively arranged on the opposite surfaces of the left push plate and the right push plate. The left push surface and the right push surface are both inclined toward the left from top to bottom. Before the pressure plate is pressed down into place, the pressure plate moves laterally under the action of the left push surface and the right push surface.

10. A substrate coating method, characterized in that: The laminating operation using the substrate laminating tooling according to any one of claims 1 to 9 includes the following steps: S1, placing the cut film material on the substrate; S2, sending the substrate into the positioning groove; S3, the pressing mechanism presses the pressing plate downward into place to expel the bubbles between the film material and the substrate; S4, the heating plate heats the substrate to the set temperature, and the film material is laminated onto the substrate; S5, the heating plate stops heating, and the cooling plate cools the substrate; S6, the pressing mechanism and the pressing plate return to their positions, and the substrate is taken out.

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