Double-sided three-dimensional heating device for felt board and method for heating felt board

Abstract

The present invention relates to a double-sided three-dimensional heating device for felt boards, which includes a box body, a movable door, and a heating lamp tube. The box body is a rectangular frame, and the rectangular frame includes an upper frame, a lower frame, and a side frame. The two ends of the upper frame are connected to the two ends of the lower frame through the side frames respectively. A rear baffle is installed on the inner rear side of the rectangular frame, and a movable door is installed on the inner front side of the rectangular frame. A plurality of heating lamp tubes are installed on the front side of the rear baffle and are located inside the rectangular frame. A double station is designed inside the rectangular frame, and the movable door is slidably installed on the inner front end of the rectangular frame of the double station; a plurality of heating lamp tubes are also installed on the inner side of the movable door; a heating chamber is formed between the rectangular frame, the rear baffle, and the movable door. The advantages are that the device structure is reasonable in design, easy to use, and meets customer requirements. Through the front and back simultaneous heating method, the felt board can be quickly heated to achieve the expected problem without causing the felt board to be heated and damaged; according to the device with its own operation mode, the heating effect is good and the efficiency is high.

Description

Technical Field

[0001] The invention relates to the field of felt board heating, and in particular to a double-sided three-dimensional heating device for a felt board and a method for heating the felt board. Background Art

[0002] In the past, automobile interior parts were only made of plastic materials, and felt sheets were not used to process automobile interior parts. Felt sheets are a composite sheet whose main raw material is hemp fiber. After heating, they become very soft and have low strength. They are easily deformed and damaged by force, which destroys the characteristics of the felt sheets themselves. They are not easy to heat process. Felt sheets are difficult to be combined with other plastic materials to form a whole without being heated to a certain temperature. Therefore, it is currently a major difficulty in the industry to use heated felt sheets to make automobile interior parts. Summary of the invention

[0003] In order to solve the above technical problems, the present invention proposes a double-sided three-dimensional heating device for a felt board and a method for heating the felt board. The device is cleverly designed and easy to use, and can heat the felt board to a predetermined temperature to meet thermal processing requirements.

[0004] The technical solution of the present invention:

[0005] A double-sided three-dimensional heating device for a felt board, comprising a box body, a movable door, and a heating lamp tube. The box body is a rectangular frame, the rectangular frame comprises an upper frame, a lower frame, and a side frame, the two ends of the upper frame are respectively connected to the two ends of the lower frame through the side frames, a rear baffle is installed on the inner rear side of the rectangular frame, a movable door is installed on the inner front side of the rectangular frame, a plurality of heating lamp tubes are installed on the front side of the rear baffle and are located inside the rectangular frame, a double station is designed inside the rectangular frame, the double stations are respectively a left station and a right station, the movable door is a single station door, and the movable door is slidably installed in the rectangular frame of the double station The inner front end of the frame, a plurality of positioning mechanisms are installed on the rear baffle, the positioning mechanisms include positioning guide posts and a cylinder, the cylinder is installed on the upper outer side of the rear baffle, a positioning guide post is installed at the front end of the telescopic rod of the cylinder, the front end of the positioning guide post penetrates the rear baffle and extends into the interior of the rectangular frame, and the front end of the positioning guide post passes through between the heating lamp tubes; a plurality of heating lamp tubes are also installed on the inner side of the movable door; a heating chamber is formed between the rectangular frame, the rear baffle and the movable door; and a plurality of infrared temperature sensors are respectively installed on the rear baffles of the left and right stations of the box body and the movable door from top to bottom.

[0006] A grid frame is also designed inside the rectangular frame. The grid frame is installed on the front side of the rear baffle and is located on the outside of the heating lamp tube. The front end of the positioning guide column passes through between the heating lamp tubes and then passes through the grid frame. A grid frame is also installed on the inner side of the movable door and is located on the outside of the heating lamp tube.

[0007] The movable door can be movably installed on the rectangular frame through a chain movable mechanism, and the chain movable mechanism includes a motor, a driving sprocket, a driven sprocket, a chain, a connecting plate, and a slider slide rail mechanism. The upper end of the movable door is slidably installed under the upper frame through the slider slide rail mechanism, and the lower end of the movable door is slidably installed on the lower frame through the slider slide rail mechanism. The motor is installed on one side of the upper frame and one side of the motor is driven and connected to the driving sprocket, and the other side of the upper frame is rotatably installed with a driven sprocket through a sprocket seat. The chain bypasses the outside of the driving sprocket and the driven sprocket, and the lower chain of the chain is connected to the upper end of the movable door through a connecting plate.

[0008] The rear baffle is installed in the rectangular frame and can be moved forward and backward. The upper end of the rear baffle is slidably installed at the lower end of the upper frame through a slider and rail mechanism. The upper and lower ends of the outer side of the rear baffle are also respectively installed with an upper adjusting mechanism and a lower adjusting mechanism. The upper adjusting mechanism comprises a vertical plate, a bolt, two nuts and a connecting block. The upper end of the vertical plate is correspondingly connected to the rear end of the upper frame, and a through hole is opened at the lower end of the vertical plate. The connecting block is installed at the upper end of the outer side of the rear baffle. A thread hole is opened in the middle of the connecting block. The bolt passes through the through hole of the vertical plate and is screwed into the thread hole of the connecting block. The two nuts are screwed on the screw and the two nuts are respectively located at the two sides of the vertical plate, and the two nuts are rotated and pressed on the vertical plate. The lower adjusting mechanism comprises a vertical plate, a bolt, two nuts and a connecting block. The lower end of the vertical plate is correspondingly connected to the rear end of the lower frame. The upper end of the vertical plate is opened with a through hole. The connecting block is installed at the lower end of the outer side of the rear baffle. A thread hole is opened in the middle of the connecting block. The bolt passes through the through hole of the vertical plate and is screwed into the thread hole of the connecting block. The two nuts are screwed on the screw and the two nuts are respectively located at the two sides of the vertical plate, and the two nuts are rotated and pressed on the vertical plate.

[0009] The plurality of positioning mechanisms are designed to be arranged in two rows, and the two rows of positioning mechanisms are horizontally installed at the upper position of the rear baffle. The upper row is provided with four positioning mechanisms, and the lower row is provided with two positioning mechanisms. The two positioning mechanisms in the lower row correspond to the positioning mechanisms on both sides of the upper row of positioning mechanisms respectively.

[0010] The front end of the positioning guide column is designed with a hook head, which includes a thick cylinder, a thin cylinder, an annular groove, and a conical head. One end of the thick cylinder is installed at the front end of the positioning guide column, and the other end of the thick cylinder is connected to the thin cylinder. The front end of the thin cylinder is also installed with a conical head, and an annular groove is designed on the thin cylinder near the conical head.

[0011] A number of infrared temperature sensors for real-time detection of the front and back temperatures of the products are installed from top to bottom on the rear baffles of the left and right stations and the movable door of the box body. The infrared temperature sensors are evenly installed on the outer sides of the rear baffles of the left and right stations and the outer sides of the movable door. Target temperature detection holes are designed corresponding to the infrared temperature sensors on the rear baffles and the movable door. Each infrared temperature sensor corresponds to a temperature control area, and each temperature control area is an independently controlled temperature control area.

[0012] A method for heating a felt board using the double-sided three-dimensional heating device for a felt board,

[0013] 1) First, select the corresponding positioning mechanism action according to the shape of the felt board, and extend the positioning guide pin into the heating chamber through the cylinder of the positioning mechanism. After all the double stations of the double-sided three-dimensional heating device for the felt board are in place, the moving door blocks the right station and the left station is in an open state.

[0014] 2) Hook the felt board on the hook head of the positioning guide column of the left station. The movable door moves from the right station to the left station under the action of the chain moving mechanism. At this time, the heating chamber of the left station is formed.

[0015] 3) Start heating. The heating lamps on the left station and the moving door heat the felt board at the same time. The heating process requires reaching the target temperature of 180-210°C within 25 seconds, and then enters the insulation process. The target temperature during insulation is 180-210°C, and the insulation time is 5-120 seconds.

[0016] 4) While the felt board at the left station in step 3 is being heated, the felt board to be heated is hooked on the hook head of the positioning guide column at the right station, and the time requirement is to be completed within 20-25 seconds.

[0017] 5) After the felt board at the left station completes the heating process and the heat preservation process in step 3, the heating is stopped and the moving door moves to the right station within 4 seconds.

[0018] 6) After the moving door moves into position again, the right station starts heating and repeats step 3; at the same time, the left station starts unloading and loading, and the heated felt board is quickly taken out and the felt board to be heated is hooked on the hook head of the left station again. The material taking and loading time is required to be completed within 20-25 seconds; this reciprocating operation forms an uninterrupted heating process for the felt board.

[0019] When the heating lamps on the left station and the moving door in the step 3 heat the felt board at the same time, the maximum value of the corresponding temperature control area measured by each infrared temperature sensor on the left station of the box and the moving door and the difference between the real-time value during the insulation process and the target temperature value of the temperature control area shall not exceed ±5°C; the insulation time can be set to 10 seconds, 20 seconds, 30 seconds, 45 seconds, 60 seconds, 90 seconds, and 120 seconds.

[0020] The heating lamp tube is a short-wave heating lamp tube.

[0021] The advantages of the present invention are that the device structure is reasonable in design, easy to use, and meets customer requirements. Through simultaneous front and rear heating, the felt board can be quickly heated to the expected temperature without causing damage to the felt board due to heating. According to the device with its own heating operation mode, the heating effect is good and the efficiency is high. The double-sided three-dimensional heating ensures that the felt board will not be deformed when heated. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 It is a front view of the present invention.

[0023] Figure 2 It is a rear view of the present invention.

[0024] Figure 3 The present invention Figure 1 Sectional view along AA direction.

[0025] Figure 4 yes Figure 3 A partial enlarged schematic diagram is shown in the figure.

[0026] Figure 5 The present invention Figure 1 Cross-sectional view along the BB axis.

[0027] Figure 6 yes Figure 5 A partial enlarged schematic diagram is shown in the figure.

[0028] Figure 7 It is a schematic diagram of the chain type moving mechanism of the moving door of the present invention.

[0029] Figure 8 yes Figure 7 Top view of the . DETAILED DESCRIPTION

[0030] See attached Figure 1-8A double-sided three-dimensional heating device for a felt board material comprises a box body, a movable door 1, and a heating lamp tube 2. The box body is a rectangular frame 3, and the rectangular frame 3 comprises an upper frame 31, a lower frame 32, and a side frame 33. The two ends of the upper frame 31 are connected to the two ends of the lower frame 32 through the side frames 33 respectively. A rear baffle 4 is installed on the inner rear side of the rectangular frame 3, and a movable door 1 is installed on the inner front side of the rectangular frame 3. A plurality of heating lamp tubes 2 are installed on the front side of the rear baffle 4 and are located inside the rectangular frame 3. A double station is designed inside the rectangular frame 3, and the movable door 1 is a single station door. The movable door 1 is slidably installed on the inner front end of the double station rectangular frame 3. A plurality of positioning mechanisms 5 are installed on the rear baffle 4, and the positioning mechanisms 5 include a positioning guide column 51 and a cylinder 52. The cylinder 52 is installed above the outer side of the rear baffle 4, and the front end of the telescopic rod of the cylinder 52 is installed with a positioning guide column 51. The front end of the positioning guide column 51 penetrates the rear baffle 4 and extends into the interior of the rectangular frame 3, and the front end of the positioning guide column 51 passes between the heating lamp tubes 2; a plurality of heating lamp tubes 2 are also installed on the inner side of the movable door 1; a heating chamber 10 is formed between the rectangular frame 3, the rear baffle 4 and the movable door 1; and a plurality of infrared temperature sensors 9 are installed from top to bottom on the rear baffle 4 and the movable door 1 of the left and right stations of the box.

[0031] Several infrared temperature sensors 9 for real-time detection of the temperature of the front and back sides of the product are installed on the rear baffle 4 of the left and right stations of the box from top to bottom, and the infrared temperature sensors 9 are evenly installed on the outside of the rear baffle 4 of the left and right stations and the outside of the moving door 1. The corresponding infrared temperature sensors on the rear baffle 4 and the moving door 1 are designed with target temperature detection holes for the infrared temperature sensors to transmit detection signals through the rear baffle and the moving door. After passing through the target temperature detection holes, the target temperature can be detected. Each infrared temperature sensor corresponds to a temperature control area, and each temperature control area is an independently controlled temperature control area. In the present invention, 7 infrared sensors are designed for the left station, the right station and the moving door, respectively. 21 short-wave heating lamps are horizontally designed on the left station, the right station and the inner side of the moving door, respectively. Every 3 adjacent heating lamps are an independent temperature control area and correspond to an infrared sensor. An infrared temperature sensor is configured to monitor the independent temperature control area, which can effectively prevent excessive local temperature differences, avoid uneven heating temperature of the felt board, and avoid heating damage.

[0032] The heating lamp tube 2 is a short-wave heating lamp tube 2. A HERAEUS medium-wave lamp tube can be used, and the heating lamp arrangement requires heating of an area of ​​1100✖1300.

[0033] A grid frame 6 is also designed inside the rectangular frame 3, which is installed on the front side of the rear baffle 4 and located outside the heating lamp 2. The front end of the positioning guide column 51 passes through the heating lamp 2 and then passes through the grid frame 6; the inner side of the movable door 1 is also installed with a grid frame 6 and located outside the heating lamp 2. The grid frame design can prevent the product from accidentally contacting the heating lamp, that is, protecting the lamp, and also ensuring that the product will not touch the lamp and be partially burned.

[0034] The movable door 1 is movably mounted on the rectangular frame 3 through a chain movable mechanism 7, and the chain movable mechanism 7 includes a motor 71, a driving sprocket 72, a driven sprocket 73, a chain 74, a connecting plate 75, and a slider rail mechanism 76. The upper end of the movable door 1 is slidably mounted below the upper frame 31 through the slider rail mechanism 76, and the lower end of the movable door 1 is slidably mounted on the lower frame 32 through the slider rail mechanism 76. The motor 71 is mounted on one side of the upper frame 31 and one side of the motor 71 is driven and connected with the driving sprocket 72, and the other side of the upper frame 31 is rotatably mounted with the driven sprocket 73 through the sprocket seat. The chain 74 bypasses the outside of the driving sprocket 72 and the driven sprocket 73, and the lower side of the chain 74 is connected to the upper end of the movable door 1 through a connecting plate 75. The sliding door is designed to slide left and right on the front side of the rectangular frame. The motor drives the driving sprocket to rotate, and the driving sprocket drives the driven sprocket to rotate through the chain. When the chain is running, the connecting plate installed on one side of the chain moves with the chain. The lower end of the connecting plate is installed on the sliding door, and the connecting plate moves with the sliding door. The motor drives the chain to reciprocate and drives the sliding door to reciprocate, so that each movement and station change can be completed within 4 seconds.

[0035] The rear baffle 4 is installed in the rectangular frame 3 so as to be movable forward and backward. The upper end of the rear baffle 4 is slidably installed on the lower end of the upper frame 31 through the slider rail mechanism 76. The upper adjustment mechanism 41 and the lower adjustment mechanism 42 are respectively installed at the upper and lower ends of the outer side of the rear baffle 4. The upper adjustment mechanism 41 includes a vertical plate 411, a bolt 412, two nuts 413 and a connecting block 414. The upper end of the vertical plate 411 is correspondingly connected to the rear end of the upper frame 31. The lower end of the vertical plate 411 is provided with a through hole. The connecting block 414 is installed on the upper end of the outer side of the rear baffle 4. The middle of the connecting block 414 is provided with a thread hole. The bolt 412 passes through the through hole of the vertical plate 411 and is screwed in. In the thread hole of the connecting block 414, two nuts 413 are screwed on the bolt 412 and the two nuts 413 are respectively located on both sides of the vertical plate 411, and the two nuts 413 are rotated and pressed on the vertical plate 411; the lower adjustment mechanism 42 includes a vertical plate, a bolt, two nuts and a connecting block, the lower end of the vertical plate is correspondingly connected to the rear end of the lower frame 32, the upper end of the vertical plate is provided with a through hole, the connecting block is installed at the lower end of the outer side of the rear baffle 4, and the middle of the connecting block is provided with a thread hole, the bolt passes through the through hole of the vertical plate and is screwed into the thread hole of the connecting block, the two nuts are screwed on the bolt and the two nuts are respectively located on both sides of the vertical plate, and the two nuts are rotated and pressed on the vertical plate. The upper adjustment mechanism and the lower adjustment mechanism are symmetrically installed, the rear baffle is slidably suspended on the rear side of the rectangular frame, the upper adjustment mechanism and the lower adjustment mechanism can adjust the position of the rear baffle in the rectangular frame, thereby adjusting the distance between the heating lamp installed on the rear baffle and the felt board to be heated, adjusting the heating effect of the heating lamp on the felt board, and ensuring the best heating effect of the felt board.

[0036] The plurality of positioning mechanisms 5 are designed to be arranged in two rows, one above the other, and the two rows of positioning mechanisms 5 are horizontally installed at the upper position of the rear baffle 4. The upper row is equipped with four positioning mechanisms 5, and the lower row is equipped with two positioning mechanisms 5. The two positioning mechanisms 5 in the lower row correspond to the positioning mechanisms 5 on both sides of the upper row of positioning mechanisms 5. The number and position of the positioning mechanisms are designed to ensure effective hooking of felt boards of different product shapes, such as Figure 1 As shown in the figure, it can be seen that the hooking diagrams of felt boards with different structures ensure that the felt boards are in the effective heating range, which is convenient for discharging and taking materials.

[0037] The front end of the positioning guide column 51 is designed with a hook head 510, which includes a thick cylinder 511, a thin cylinder 512, an annular groove 513, and a conical head 514. One end of the thick cylinder 511 is installed at the front end of the positioning guide column 51, and the other end of the thick cylinder 511 is connected to the thin cylinder 512. The front end of the thin cylinder 512 is also equipped with a conical head 514, and the thin cylinder 512 is also designed with an annular groove 513 near the conical head 514. The hook head is designed to better hook the felt board, both to prevent it from falling off and to facilitate subsequent material collection.

[0038] A method for heating a felt board using the double-sided three-dimensional heating device for a felt board,

[0039] 1) First, select the corresponding positioning mechanism 5 action according to the shape of the felt board 8, and extend the positioning guide column 51 into the heating chamber 10 through the cylinder 52 of the positioning mechanism 5. After the double stations of the double-sided three-dimensional heating device for the felt board are all in place, the movable door 1 blocks the right station and the left station is in an open state.

[0040] 2) The felt plate 8 is hooked on the hook head 510 of the positioning guide column 51 of the left station, and the movable door 1 moves from the right station to the left station under the action of the chain moving mechanism 7. At this time, the heating chamber of the left station is formed.

[0041] 3) Start heating. The heating lamp 2 at the left station and the heating lamp 2 on the movable door 1 heat the felt board 8 at the same time. The heating process requires to reach the target temperature of 180-210°C within 25 seconds, and then enter the insulation process. The target temperature during insulation is 180-210°C, and the insulation time is 5-120 seconds.

[0042] 4) While the felt board 8 at the left station in step 3 is being heated, the felt board 8 to be heated is hooked on the hook head 510 of the positioning guide column 51 at the right station, and the time requirement is to be completed within 20-25 seconds.

[0043] 5) After the felt board 8 at the left station completes the heating process and the heat preservation process in step 3, the heating is stopped and the movable door 1 moves to the right station within 4 seconds.

[0044] 6) After the movable door 1 is moved into position again, the right station starts heating and step 3 is repeated; at the same time, the left station starts unloading and loading, and the heated felt board 8 is quickly taken out and the felt board 8 to be heated is hooked on the hook head 510 of the left station again. The material taking and loading time is required to be completed within 20-25 seconds; this reciprocating operation forms an uninterrupted heating process for the felt board 8.

[0045] When the heating lamp tube 2 at the left station and the heating lamp tube 2 on the movable door 1 simultaneously heat the felt board 8 in the step 3, the maximum value of the corresponding temperature control area measured by each sensor of the infrared temperature sensors on the left station of the box and the movable door and the difference between the real-time value during the insulation process and the target temperature value of the temperature control area shall not exceed ±5°C; the insulation time can be set to 10 seconds, 20 seconds, 30 seconds, 45 seconds, 60 seconds, 90 seconds, and 120 seconds.

[0046] The device of the present invention adopts a short-wave heating lamp tube in combination with a front and rear simultaneous heating method. The felt board adopts a hooking method to form a double-sided three-dimensional heating method for the felt board. The felt board with a thickness of 2.0-3.2mm can be quickly heated to a specified temperature, and the characteristics of the felt board can be ensured. The double-station operation makes rational use of time and improves efficiency.

Claims

1. A double-sided three-dimensional heating device for a felt board, characterized in that: It includes a box body, a movable door, and a heating lamp tube. The box body is a rectangular frame, and the rectangular frame includes an upper frame, a lower frame, and a side frame. The two ends of the upper frame are connected to the two ends of the lower frame through the side frames. A rear baffle is installed on the inner rear side of the rectangular frame, and a movable door is installed on the inner front side of the rectangular frame. A plurality of heating lamp tubes are installed on the front side of the rear baffle and are located inside the rectangular frame. A double station is designed inside the rectangular frame, and the double stations are respectively a left station and a right station. The movable door is a single station door, and the movable door is slidably installed on the inner front end of the rectangular frame of the double station. A plurality of positioning mechanisms are installed on the rear baffle, and the positioning mechanisms include positioning guide pillars and a cylinder. The cylinder is installed above the outer side of the rear baffle, and a positioning guide pillar is installed at the front end of the telescopic rod of the cylinder. The front end of the positioning guide pillar penetrates the rear baffle and extends into the interior of the rectangular frame, and the front end of the positioning guide pillar passes through between the heating lamp tubes; a plurality of heating lamp tubes are also installed on the inner side of the movable door; a heating chamber is formed between the rectangular frame, the rear baffle and the movable door; and a plurality of infrared temperature sensors are installed from top to bottom on the rear baffles of the left and right stations of the box body and the movable door.

2. A double-sided three-dimensional heating device for a felt board according to claim 1, characterized in that: A grid frame is also designed inside the rectangular frame. The grid frame is installed on the front side of the rear baffle and is located on the outside of the heating lamp tube. The front end of the positioning guide column passes through between the heating lamp tubes and then passes through the grid frame. A grid frame is also installed on the inner side of the movable door and is located on the outside of the heating lamp tube.

3. A double-sided three-dimensional heating device for a felt board according to claim 1, characterized in that: The movable door can be movably installed on the rectangular frame through a chain movable mechanism, and the chain movable mechanism includes a motor, a driving sprocket, a driven sprocket, a chain, a connecting plate, and a slider slide rail mechanism. The upper end of the movable door is slidably installed under the upper frame through the slider slide rail mechanism, and the lower end of the movable door is slidably installed on the lower frame through the slider slide rail mechanism. The motor is installed on one side of the upper frame and one side of the motor is driven and connected to the driving sprocket, and the other side of the upper frame is rotatably installed with a driven sprocket through a sprocket seat. The chain bypasses the outside of the driving sprocket and the driven sprocket, and the lower chain of the chain is connected to the upper end of the movable door through a connecting plate.

4. A double-sided three-dimensional heating device for a felt board according to claim 1, characterized in that: The rear baffle is installed in the rectangular frame and can be moved forward and backward. The upper end of the rear baffle is slidably installed at the lower end of the upper frame through a slider and rail mechanism. The upper and lower ends of the outer side of the rear baffle are also respectively installed with an upper adjusting mechanism and a lower adjusting mechanism. The upper adjusting mechanism comprises a vertical plate, a bolt, two nuts and a connecting block. The upper end of the vertical plate is correspondingly connected to the rear end of the upper frame, and a through hole is opened at the lower end of the vertical plate. The connecting block is installed at the upper end of the outer side of the rear baffle. A thread hole is opened in the middle of the connecting block. The bolt passes through the through hole of the vertical plate and is screwed into the thread hole of the connecting block. The two nuts are screwed on the screw and the two nuts are respectively located at the two sides of the vertical plate, and the two nuts are rotated and pressed on the vertical plate. The lower adjusting mechanism comprises a vertical plate, a bolt, two nuts and a connecting block. The lower end of the vertical plate is correspondingly connected to the rear end of the lower frame. The upper end of the vertical plate is opened with a through hole. The connecting block is installed at the lower end of the outer side of the rear baffle. A thread hole is opened in the middle of the connecting block. The bolt passes through the through hole of the vertical plate and is screwed into the thread hole of the connecting block. The two nuts are screwed on the screw and the two nuts are respectively located at the two sides of the vertical plate, and the two nuts are rotated and pressed on the vertical plate.

5. A double-sided three-dimensional heating device for a felt board according to claim 1, characterized in that: The plurality of positioning mechanisms are designed to be arranged in two rows, and the two rows of positioning mechanisms are horizontally installed at the upper position of the rear baffle. The upper row is provided with four positioning mechanisms, and the lower row is provided with two positioning mechanisms. The two positioning mechanisms in the lower row correspond to the positioning mechanisms on both sides of the upper row of positioning mechanisms respectively.

6. A double-sided three-dimensional heating device for a felt board according to claim 1, characterized in that: The front end of the positioning guide column is designed with a hook head, which includes a thick cylinder, a thin cylinder, an annular groove, and a conical head. One end of the thick cylinder is installed at the front end of the positioning guide column, and the other end of the thick cylinder is connected to the thin cylinder. The front end of the thin cylinder is also installed with a conical head, and an annular groove is designed on the thin cylinder near the conical head.

7. A double-sided three-dimensional heating device for a felt board according to claim 1, characterized in that: A number of infrared temperature sensors for real-time detection of the front and back temperatures of the products are installed from top to bottom on the rear baffles of the left and right stations and the movable door of the box body. The infrared temperature sensors are evenly installed on the outer sides of the rear baffles of the left and right stations and the outer sides of the movable door. Target temperature detection holes are designed corresponding to the infrared temperature sensors on the rear baffles and the movable door. Each infrared temperature sensor corresponds to a temperature control area, and each temperature control area is an independently controlled temperature control area.

8. A method for heating a felt board using a double-sided three-dimensional heating device for a felt board as described in any one of claims 1 to 7, characterized in that: First, select the corresponding positioning mechanism action according to the shape of the felt board, and extend the positioning guide pin into the heating chamber through the cylinder of the positioning mechanism. After the double stations of the double-sided three-dimensional heating device for the felt board are all in place, the moving door blocks the right station and the left station is in an open state. Hook the felt board on the hook head of the positioning guide column of the left station. The movable door moves from the right station to the left station under the action of the chain moving mechanism. At this time, the heating chamber of the left station is formed. Start heating. The heating lamps on the left station and the moving door heat the felt board at the same time. The heating process requires the target temperature to reach 180-210°C within 25 seconds, and then enter the insulation process. The target temperature during insulation is 180-210°C, and the insulation time is 5-120 seconds. While the felt board at the left station in step 3 is being heated, the felt board to be heated is hooked on the hook head of the positioning guide column at the right station, and the time requirement is to be completed within 20-25 seconds; After the felt board at the left station completes the heating process and the heat preservation process in step 3, the heating stops and the moving door moves to the right station within 4 seconds. After the movable door moves into position again, the right station starts heating and repeats step 3; at the same time, the left station starts discharging and loading materials, quickly takes out the heated felt board, and hooks the felt board to be heated on the hook head of the left station again. The material taking and loading time is required to be completed within 20-25 seconds; this reciprocating operation forms an uninterrupted heating process for the felt board.

9. The method for heating a felt board using a double-sided three-dimensional heating device for a felt board according to claim 8, characterized in that: When the heating lamps on the left station and the moving door in the step 3 heat the felt board at the same time, the maximum value of the corresponding temperature control area measured by each of the infrared temperature sensors on the left station of the box and the moving door and the difference between the real-time value during the insulation process and the target temperature value of the temperature control area shall not exceed ±5°C; the insulation time can be set to 10 seconds, 20 seconds, 30 seconds, 45 seconds, 60 seconds, 90 seconds, and 120 seconds.

10. The method for heating a felt board using a double-sided three-dimensional heating device for a felt board according to claim 8, characterized in that: The heating lamp tube is a short-wave heating lamp tube.

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