A strip-shaped substrate coating device

Abstract

The application relates to a cable production device, in particular to a strip-shaped base body gluing device which comprises a top-open accommodating cavity, a heat insulation groove sleeved outside the heat insulation groove, a feeding assembly, an anti-overflow sensor and a glue scraping assembly. The accommodating cavity is provided with a wire inlet and a wire outlet which are oppositely arranged, a strip-shaped base body moving along a first direction enters the accommodating cavity from the wire inlet and leaves from the wire outlet, and the strip-shaped base body can be controlled to rotate along an axis. The outer wall of the accommodating cavity is provided with a heater for heating the accommodating cavity. The feeding assembly comprises a feeding hopper arranged above the accommodating cavity and used for accommodating granular glue, and a feeding electric valve arranged at the bottom opening of the feeding hopper and used for controlling the opening and closing of the feeding hopper. The anti-overflow sensor is used for sensing whether the glue overflows from the accommodating cavity. The glue scraping assembly comprises a supporting frame arranged adjacent to the wire outlet of the accommodating cavity and a glue scraping ring which is annular and sleeved outside the strip-shaped base body.

Description

Technical Field

[0001] This utility model relates to cable production equipment, and in particular to a strip substrate coating device. Background Technology

[0002] Railway signal cables are special cables specifically designed for transmitting signals in railway systems, including railway signals, audio signals, and control circuits for automatic signaling devices. According to national standards, a typical railway signal cable structure includes a conductor, insulation layer, inner shielding layer, filler layer, aluminum sheath, and outer sheath. The outer sheath is typically formed by curing hot melt adhesive.

[0003] Currently, cable coating is mainly achieved through a combination of manual and automated methods. Manually, granular hot melt adhesive is added to a heating tank. The cable, during winding and unwinding, automatically passes through the tank containing molten hot melt adhesive in a single direction and is shaped by a mold, thus achieving adhesive coating on the cable surface. However, manual hot melt adhesive coating is time-consuming and labor-intensive, and the high temperature of the heating tank poses certain safety hazards to personnel, hindering the efficient production of railway signal cables. Utility Model Content

[0004] The purpose of this invention is to provide a strip substrate coating device with high production efficiency.

[0005] To achieve the above objectives, this utility model provides the following technical solution: A strip-shaped substrate coating device, comprising: The accommodating cavity is constructed as a groove with an open top, and opposite inlet and outlet ports are formed on two opposite sides. A cable routing path extending along a first direction is formed between the inlet and outlet ports for the strip substrate to pass through the accommodating cavity along the first direction. The strip substrate moves along the first direction and can be controllably rotated along its central axis. A heater is provided on the outer wall of the accommodating cavity for heating the accommodating cavity. A heat insulation groove is fitted over the outside of the heat insulation groove; The feeding assembly includes a feeding funnel and a feeding motor. The feeding funnel is disposed above the receiving cavity and is used to receive granular adhesive material. The feeding motor is disposed at the bottom opening of the feeding funnel and is used to controllably open or close the bottom opening of the feeding funnel. An anti-overflow sensor, connected to the receiving cavity, is used to sense whether the adhesive material overflows from the receiving cavity; The adhesive scraping assembly includes a support frame and an adhesive scraping ring. The support frame is located adjacent to the outlet of the receiving cavity. The adhesive scraping ring is circular in shape, installed on the support frame and sleeved on the strip-shaped base, forming the wiring path together with the inlet and outlet of the receiving cavity.

[0006] Optionally, the feeding assembly further includes a feeding track and a stepper motor disposed on the outer wall of the heat insulation tank. The feeding track is parallel to the first direction, and the feeding funnel is slidably connected to the feeding track and can controllably reciprocate along the feeding track under the drive of the stepper motor.

[0007] Optionally, the feeding motor is also used to drive the feeding hopper to oscillate controllably.

[0008] Optionally, the receiving cavity is formed inside the heating tank, the heating tank has receiving cavities and a plurality of buffer cavities arranged along the first direction, each receiving cavity and the buffer cavity is separated by a plurality of partition plates, at least one of the buffer cavities is disposed on the side of the receiving cavity away from the outlet, the heating tank has a substrate inlet adjacent to the inlet and a substrate outlet adjacent to the outlet, both of which are at a height corresponding to the inlet and together with the inlet form the wiring path.

[0009] Optionally, an anti-overflow sensor installed on the isolation plate is provided in the buffer cavity away from the outlet. The anti-overflow sensor is located below the outlet and the sensing direction is upward. It is used to sense whether the adhesive material overflows from the inlet. Another anti-overflow sensor is located near the substrate inlet. It is used to sense whether the adhesive material overflows from the substrate inlet.

[0010] Optionally, the support frame is disposed within the receiving cavity, and the adhesive scraper ring is detachably connected to the support frame.

[0011] Optionally, there is a gap between the outer wall of the heating tank and the inner wall of the heat insulation tank.

[0012] Optionally, a stirring roller is provided in the accommodating cavity. The stirring roller is positioned below the inlet along the first direction and can be controllably rotated along its central axis to stir the adhesive material.

[0013] Optionally, the strip-shaped substrate coating device further includes a base for supporting the heat insulation groove and for controlling the raising and lowering of the heat insulation groove.

[0014] The beneficial effects of this invention are as follows: Due to the high viscosity and surface tension of the molten adhesive, and the internal movement of the strip-shaped substrate causing a liquid flow towards the first direction, the adhesive accumulates on the side of the receiving cavity away from the inlet. This results in the highest point of the liquid surface being higher than the lowest point of the intermediate port when the adhesive is about to overflow from the inlet. The bottom of the strip-shaped substrate passing through the intermediate port contacts the top of the molten adhesive, allowing the adhesive to adhere to the surface of the strip-shaped substrate. The strip-shaped substrate rotates along its central axis, ensuring that adhesive adheres to both sides. After being shaped by the scraper assembly, a uniform adhesive layer is formed. Adhesive is automatically added to the receiving cavity by the feeding assembly, and an anti-overflow sensor detects whether the adhesive is overflowing, thus prompting the opening and closing of the feeding assembly. This maintains the liquid level of the molten adhesive in the receiving cavity in accordance with the position of the strip-shaped substrate, facilitating the adhesion of the molten adhesive to the surface of the strip-shaped substrate. The scraper ring shapes the surface of the strip-shaped substrate coated with adhesive, thereby forming a uniform and continuous adhesive layer. By incorporating a heat-insulating groove, safety hazards caused by the high temperature of the accommodating cavity are reduced. Using the strip-shaped substrate coating device of this invention for coating molten adhesive helps save labor costs, ensures continuous operation, and has high efficiency.

[0015] Furthermore, the feeding hopper reciprocates along the first direction during the feeding process via the feeding track and stepper motor, which helps to feed the material evenly along the first direction. This ensures that the liquid level of the molten rubber in the heating tank rises evenly and stably after the rubber is added, reducing the risk of false detection by the anti-overflow sensor and ensuring that the strip matrix is ​​in full contact with the molten rubber.

[0016] Furthermore, shaking the feeding funnel helps prevent the rubber from clogging at the outlet of the feeding funnel, ensuring that the rubber is continuously and evenly sprinkled into the heating tank, thereby ensuring smooth feeding, facilitating real-time replenishment of the rubber, and preventing the rubber from failing to contact the strip matrix due to a drop in the liquid level.

[0017] Furthermore, the accommodating cavity contains the adhesive material and allows it to adhere to the surface of the strip substrate. When the adhesive material overflows from the inlet due to flow or reaching the upper limit of feeding, a buffer cavity is used to contain the overflowing portion of the adhesive material to prevent it from overflowing outside the device.

[0018] Furthermore, an overflow sensor located below the outlet of the receiving cavity detects the amount of adhesive reaching above it, thus alerting the user to the possibility of overflow and stopping the replenishment of adhesive. The overflowed adhesive is stored in a buffer chamber. When the buffer chamber overflows, another overflow sensor is activated, prompting the user to clean the buffer chamber to prevent excessive adhesive from overflowing from the heating tank.

[0019] Furthermore, the stirring roller facilitates the uniform dispersion of newly entered granular rubber material in the molten rubber material, improving heat transfer efficiency and enabling the granular rubber material to melt rapidly.

[0020] Furthermore, by making the scraper ring detachably connected to the support frame, it is easy to replace scraper rings with different inner diameters to match strip substrates of different specifications, thereby improving the versatility of the device.

[0021] Furthermore, by setting an adjustable base, it is easy to adapt to strip substrates of different specifications, ensuring that the bottom of the strip substrate is in full contact with the liquid surface of the molten adhesive.

[0022] Furthermore, when the molten rubber overflows from the heating tank, it enters the gap between the heating tank and the insulation tank, reducing the risk of rubber overflow.

[0023] The above description is only an overview of the technical solution of this utility model. In order to better understand the technical means of this utility model and to implement it in accordance with the contents of the specification, the preferred embodiments of this utility model are described in detail below with reference to the accompanying drawings. Attached Figure Description

[0024] Figure 1 This is a schematic diagram of the strip substrate coating device shown in Embodiment 1 of this utility model; Figure 2 This is a schematic diagram of the strip substrate coating device shown in Embodiment 1 of this utility model from another angle.

[0025] Legend: 1-Heating tank, 11-Containing cavity, 111-Stirring roller, 112-Stirring motor, 12-Buffer chamber, 121-Substrate inlet, 122-Substrate outlet, 13-Isolation plate, 131-Inlet, 132-Outlet, 14-Heater, 2-Insulation tank, 3-Feeding assembly, 31-Feeding funnel, 32-Feeding motor, 33-Feeding track, 34-Stepper motor, 35-Connecting rod, 4-Overflow sensor, 5-Glue scraping assembly, 51-Support frame, 511-Mounting through hole, 512-Stepped section, 52-Glue scraping ring, 6-Base, 7-Controller. Detailed Implementation

[0026] The technical solution of this utility model will now be clearly and completely described with reference to the accompanying drawings. Obviously, the described embodiments are only some, not all, of the embodiments of this utility model. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this utility model.

[0027] In the description of this utility model, it should be noted that the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," and "outer," etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the accompanying drawings and are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0028] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "joining" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0029] Furthermore, the technical features involved in the different embodiments of this utility model described below can be combined with each other as long as they do not conflict with each other.

[0030] The strip-shaped substrate coating device protected by this utility model application includes a top-opening accommodating cavity 11, a heat insulation groove 2 sleeved outside the heat insulation groove 2, a feeding assembly 3, an anti-overflow sensor 4, and a scraping assembly 5. The accommodating cavity 11 has an inlet 131 and an outlet 132 arranged opposite to each other, forming a wiring path between them for the strip-shaped substrate 101 to move along a first direction through the accommodating cavity 11 and controllably rotate along its central axis. A heater 14 for heating the accommodating cavity 11 is provided on the outer wall of the accommodating cavity 11. The feeding assembly 3 includes a feeding funnel 31 disposed above the accommodating cavity 11 and a feeding motor 32 disposed at the bottom opening of the feeding funnel 31. The feeding funnel 31 is used to accommodate granular adhesive, and the feeding motor 32 is used to controllably open or close the bottom opening of the feeding funnel 31. The anti-overflow sensor 4 is used to sense whether adhesive overflows from the accommodating cavity 11. The adhesive scraping assembly 5 includes a support frame 51 and an adhesive scraping ring 52. The support frame 51 is located near the outlet 132 of the receiving cavity 11 and is used to support the adhesive scraping ring 52 and prevent the adhesive scraping ring 52 from moving in the first direction. The adhesive scraping ring 52 is circular and is sleeved on the outside of the strip base 101, forming a wiring path together with the inlet 131 and outlet 132 of the receiving cavity 11.

[0031] Because the molten adhesive has a high viscosity and surface tension, and the movement of the strip-shaped substrate 101 within it creates a liquid flow in the first direction, the adhesive accumulates on the side of the receiving cavity 11 away from the inlet 131. This results in the highest point of the liquid surface being higher than the lowest point of the intermediate port when the adhesive is about to overflow from the inlet 131. The bottom of the strip-shaped substrate 101, passing through the intermediate port, contacts the top of the molten adhesive, causing the adhesive to adhere to the surface of the strip-shaped substrate 101. The strip-shaped substrate 101 rotates along its central axis, ensuring that adhesive adheres to both sides. After being shaped by the scraper assembly 5, a uniform adhesive layer is formed. The feeding assembly 3 automatically adds adhesive to the receiving cavity 11, and the anti-overflow sensor 4 detects whether the adhesive is overflowing, thus prompting the feeding assembly 3 to open or close. This maintains the liquid level of the molten adhesive in the receiving cavity 11 in accordance with the position of the strip-shaped substrate 101, facilitating the adhesion of the molten adhesive to the surface of the strip-shaped substrate 101. The adhesive scraper ring 52 shapes the surface of the strip-shaped substrate 101 coated with adhesive, thereby forming a uniform and continuous adhesive layer. The heat insulation groove 2 reduces safety hazards caused by the high temperature of the accommodating cavity 11. Using the strip-shaped substrate adhesive coating device of this invention to coat molten adhesive helps save labor costs, ensures continuous operation, and has high efficiency.

[0032] Please refer to the following examples for details.

[0033] Example 1: Please see Figure 1 and Figure 2 The strip substrate coating device shown in a preferred embodiment of this application includes a heating tank 1, a heat insulation tank 2, a feeding assembly 3, multiple anti-overflow sensors 4, a scraping assembly 5, a base 6, and a controller 7. A tensioned strip substrate 101 extends and advances along a horizontal first direction and can be controllably rotated along its central axis, thus passing straight through the heating tank 1. The heat insulation tank 2 is fitted onto the outside of the heating tank 1 and supported at its bottom by the base 6, serving to insulate the heating tank 1 and reduce the risk of safety hazards caused by the high temperature of the heating tank 1. The vertically positioned base 6 can be controllably extended or retracted via fastening bolts to adjust the height of the heating tank 1. The feeding assembly 3 is connected to the heating tank 1 and is used to controllably add granular adhesive to the heating tank 1; it is electrically connected to the controller 7. The anti-overflow sensors 4 are electrically connected to the controller 7 and connected to the heating tank 1 to sense whether there is an excessive amount of adhesive in the heating tank 1. The adhesive scraping assembly 5 is connected to the heating tank 1 and is used to shape the strip substrate 101, whose surface is coated with molten adhesive, to form a uniform and smooth film layer. In this embodiment, the strip substrate 101 is the intermediate body of a railway signal cable, and the outermost layer is an aluminum tube.

[0034] The heating tank 1 has a rectangular tank shape with an open top and good thermal conductivity. Inside the heating tank 1, there are two partition plates 13 perpendicular to the first direction and connected to the inner wall of the heating tank 1, dividing the interior into three separate chambers: a receiving chamber 11 and two buffer chambers 12 located on either side of the receiving chamber 11. The receiving chamber 11 has a larger volume, while the buffer chambers 12 have smaller volumes. The two identical partition plates 13 have identical inlet ports 131 and outlet ports 132. The top of the inlet port 131 is connected to the upper edge of the partition plate 13, and its bottom is arc-shaped with a lowest point, facilitating the entry of the strip-shaped substrate 101 from above into the receiving chamber 11. The heating tank 1 has a substrate inlet 121 and a substrate outlet 122 with a similar structure to the inlet port 131, and the lowest point heights of both are the same as those of the inlet port 131 and the outlet port 132. The strip-shaped substrate 101 enters the heating tank 1 from the substrate inlet 121 along the first direction, passes through the inlet 131 and the outlet 132 in sequence, and exits the heating tank 1 from the substrate outlet 122. A stirring roller 111, arranged along the first direction, is formed inside the accommodating cavity 11. The stirring roller 111 is located below the inlet 131, with its highest point lower than the lowest point of the inlet 131, and is controllably rotated along its central axis under the drive of the stirring motor 112. Horizontally arranged heaters 14 are attached to both outer walls of the heating tank 1 parallel to the first direction for heating the entire heating tank 1. In this embodiment, the heater 14 is a frequency converter heater 14.

[0035] The heat insulation groove 2 is fitted outside the heating groove 1, and the length of its inner wall in the first direction is greater than the length of the outer wall of the heating groove 1 in the first direction, so that a gap is formed between the heat insulation groove 2 and the heating groove 1, respectively adjacent to the substrate inlet 121 and the substrate outlet 122. The height of the heat insulation groove 2 is less than that of the heating groove 1, so that the heater 14 is located above the side wall of the heat insulation groove 2 and is separated from the heat insulation groove 2.

[0036] The feeding assembly 3 includes a feeding funnel 31, a feeding motor 32, a feeding track 33, a stepper motor 34, and a connecting rod 35. The feeding track 33 is formed along a first direction on the outer wall of the heat insulation tank 2. The stepper motor 34 is mounted on the feeding track 33, electrically connected to the controller 7, and connected to the connecting rod 35, driving the connecting rod 35 to reciprocate controllably along the first direction. The connecting rod 35 extends vertically above the heating tank 1 and then horizontally to the middle of the heating tank 1, with its end connected to the feeding motor 32. The bottom of the feeding funnel 31 is connected to the feeding motor 32, and under the drive of the feeding motor 32, it oscillates slightly around the connecting rod 35 as an axis to prevent granular adhesive from clogging the opening at the bottom of the feeding funnel 31, facilitating even feeding. The feeding motor 32 is electrically connected to the controller 7 and is also used to controllably open or close the opening at the bottom of the feeding funnel 31 to prevent adhesive from overflowing from the receiving cavity 11. In this embodiment, the controller 7 is connected to the outer wall of the heat insulation tank 2 and operates independently. In some embodiments, the controller 7 can also be integrated with the controller 7 of other devices to form a control system.

[0037] In this embodiment, four anti-overflow sensors 4 are provided, with their tops flush with the inlet 131, outlet 132, substrate inlet 121, and substrate outlet 122, respectively. Two of them are located inside the buffer chamber 12 and mounted on the isolation plate 13, while the other two are located outside the heating tank 1 and mounted on its outer wall. When liquid overflows above the anti-overflow sensor 4, the anti-overflow sensor 4 transmits an electrical signal to the controller 7, which is electrically connected to it.

[0038] The adhesive scraping assembly 5 includes a support frame 51 and an adhesive scraping ring 52. The support frame 51 is a thick plate connected to the inner wall of the accommodating cavity 11. A rounded-edge mounting through-hole is formed at its top corresponding to the inlet 131, and the end of the mounting through-hole adjacent to the outlet 132 protrudes inward, forming a stepped portion with a smaller diameter. The adhesive scraping ring 52 is annular, with its inner wall diameter matching the strip-shaped base 101 and the adhesive thickness, and its outer wall diameter matching the mounting through-hole. The adhesive scraping ring 52 is coaxially sleeved on the outside of the strip-shaped base 101 and installed within the mounting through-hole. The stepped portion prevents the adhesive scraping ring 52 from moving in the first direction. In this embodiment, the adhesive scraping ring 52 is an integrally constructed ring. In other embodiments, the adhesive scraping ring 52 can be formed by mounting two semi-circular structures, facilitating its sleeve on the outside of the strip-shaped base 101. The squeegee ring 52, together with the substrate inlet 121, cable inlet 131, cable outlet 132, and substrate outlet 122, forms a wiring path, facilitating the passage of the strip substrate 101 through the strip substrate coating device. The squeegee ring 52 is detachably connected to the support frame 51 by a simple slip-on method, and different inner diameter squeegee rings 52 can be used to accommodate strip substrates 101 of different specifications and adhesive film thicknesses.

[0039] The feeding funnel 31 moves back and forth along the first direction, uniformly sprinkling granular adhesive into the receiving cavity. When the adhesive in the receiving cavity melts at high temperature and accumulates to the point of overflowing from the inlet 131, the high viscosity and surface tension of the molten adhesive cause the highest point of the liquid surface to be higher than the inlet 131. The strip substrate 101 passes through the wiring passage and moves towards the first direction, contacting the molten adhesive and forming a liquid flow towards the first direction inside it, causing the adhesive to accumulate on the side of the receiving cavity 11 away from the inlet 131. The strip substrate 101 rotates along its central axis to ensure that its surface is fully coated with molten adhesive, and after being shaped by the scraper ring 52, a uniform adhesive film is formed. The feeding assembly 3 replenishes the material at any time, and the stirring roller 111 stirs continuously to ensure that the newly added adhesive is dispersed in the molten adhesive and melts quickly, reducing the risk of granular adhesive adhering to the surface of the strip substrate 101. When excessive adhesive overflows from the accommodating cavity 11, the anti-overflow sensor 4 transmits an electrical signal to the controller 7, the feeding component 3 stops feeding, and restarts after a preset time.

[0040] The strip substrate coating device automatically forms an adhesive film on the surface of the strip substrate 101, which is highly efficient and does not require excessive manual intervention, thus helping to save costs.

[0041] The technical features of the above embodiments can be combined in any way. For the sake of brevity, not all possible combinations of the technical features in the above embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.

[0042] The embodiments described above are merely illustrative of several implementations of this utility model, and while the descriptions are relatively specific and detailed, they should not be construed as limiting the scope of the utility model patent. It should be noted that those skilled in the art can make various modifications and improvements without departing from the concept of this utility model, and these all fall within the protection scope of this utility model. Therefore, the protection scope of this utility model patent should be determined by the appended claims.

Claims

1. A strip-shaped substrate coating device, characterized in that, include: The accommodating cavity (11) is constructed as a groove with an open top, and opposite inlet (131) and outlet (132) are formed on two opposite sides respectively. A wiring path extending along a first direction is formed between the inlet (131) and the outlet (132) for the strip substrate (101) to pass through the accommodating cavity (11) along the first direction. The strip substrate (101) moves along the first direction and rotates controllably along its central axis. A heater (14) is provided on the outer wall of the accommodating cavity (11) for heating the accommodating cavity (11). The heat insulation groove (2) is sleeved outside the heat insulation groove (2); The feeding assembly (3) includes a feeding funnel (31) and a feeding motor (32). The feeding funnel (31) is located above the receiving cavity (11) and is used to receive granular adhesive. The feeding motor (32) is located at the bottom opening of the feeding funnel (31) and is used to controllably open or close the bottom opening of the feeding funnel (31). An anti-overflow sensor (4) is connected to the accommodating cavity (11) to sense whether the adhesive material overflows from the accommodating cavity (11); The adhesive scraping assembly (5) includes a support frame (51) and an adhesive scraping ring (52). The support frame (51) is disposed adjacent to the outlet (132) of the receiving cavity (11). The adhesive scraping ring (52) is constructed in a circular shape, installed on the support frame (51) and sleeved on the strip base (101), and together with the inlet (131) and outlet (132) of the receiving cavity (11), it forms the wiring path.

2. The strip-shaped substrate coating device as described in claim 1, characterized in that, The feeding assembly (3) further includes a feeding track (33) and a stepper motor (34) disposed on the outer wall of the heat insulation groove (2). The feeding track (33) is parallel to the first direction. The feeding funnel (31) is slidably connected to the feeding track (33) and can controllably reciprocate along the feeding track (33) under the drive of the stepper motor (34).

3. The strip-shaped substrate coating device as described in claim 1, characterized in that, The feeding motor (32) is also used to drive the feeding funnel (31) to shake controllably.

4. The strip-shaped substrate coating device as described in claim 1, characterized in that, The accommodating cavity (11) is formed inside the heating tank (1). The heating tank (1) has accommodating cavities (11) arranged along the first direction and a plurality of buffer cavities (12). Each accommodating cavity (11) and the buffer cavity (12) are separated by a plurality of partition plates (13). At least one buffer cavity (12) is disposed on the side of the accommodating cavity (11) away from the outlet (132). The heating tank (1) has a substrate inlet (121) adjacent to the inlet (131) and a substrate outlet (122) adjacent to the outlet (132). The height of both corresponds to the inlet (131) and together with the inlet (131) forms the wiring path.

5. The strip-shaped substrate coating apparatus as described in claim 4, characterized in that, An anti-overflow sensor (4) is installed in the buffer cavity (12) away from the outlet (132) and mounted on the isolation plate (13). The anti-overflow sensor (4) is located below the outlet (132) and the sensing direction is upward. It is used to sense whether the adhesive material overflows from the inlet (131). Another anti-overflow sensor (4) is located near the substrate inlet (121) and is used to sense whether the adhesive material overflows from the substrate inlet (121).

6. The strip-shaped substrate coating apparatus as described in claim 4, characterized in that, The support frame (51) is disposed in the accommodating cavity (11), and the scraper ring (52) is detachably connected to the support frame (51).

7. The strip-shaped substrate coating apparatus as described in claim 4, characterized in that, There is a gap between the outer wall of the heating tank (1) and the inner wall of the heat insulation tank (2).

8. The strip-shaped substrate coating apparatus as described in claim 1, characterized in that, A stirring roller (111) is provided inside the accommodating cavity (11). The stirring roller (111) is located below the inlet (131) along the first direction and can be rotated controllably along its central axis for stirring the adhesive material.

9. The strip-shaped substrate coating apparatus as described in claim 1, characterized in that, It also includes a base (6), which supports the heat insulation groove (2) and drives the heat insulation groove (2) to rise and fall controllably.

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