A kind of pressing device for plate edge banding machine

Abstract

The application discloses a pressing and pasting device for a plate edge sealing machine, which comprises a rack and a pressing groove wheel, a pressing edge wheel, a turning edge wheel and a pressing and pasting block arranged in sequence along the walking direction of the plate and installed on the rack, wherein the pressing groove wheel, the pressing edge wheel and the turning edge wheel are rotationally arranged; the pressing groove wheel is matched with the groove of the plate in shape; a plurality of the pressing groove wheels are arranged and gradually close to the plate along the walking direction of the plate; the thickness of the pressing edge wheel is not less than the thickness of the plate; the turning edge wheel comprises a circular truncated cone turning edge wheel and a combined turning edge wheel; the pressing and pasting block comprises a lower pressing and pasting block and an upper pressing and pasting block; the pressing groove wheel, the pressing edge wheel, the turning edge wheel and the pressing and pasting block are slidably arranged on the rack along the front-back direction and are respectively connected with linear driving devices to adjust the front-back positions. The application solves the problem of wear of the plate edge sealing when the plate with C-shaped or J-shaped grooves is sealed.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of plate processing equipment, in particular to a pressing device for a plate edge banding machine. BACKGROUND

[0002] In the production of plate furniture, the cut side of the plate needs to be edge banded. An edge banding machine is used to bond the edge band to the side edge of the plate to complete the edge banding work. In the current furniture, the side edge of the plate needs to be provided with a C-shaped or J-shaped groove. When edge banding the side edge of the plate with a groove, the edge band needs to be pressed into the groove.

[0003] In the prior art, a patent with publication number CN219171733U discloses a J-shaped pressing device for soft forming edge banding part. The technical solution includes a rack 100, which is sequentially provided with a plurality of first pressing assemblies 200, a plurality of first arc pressing assemblies 300, a plurality of second arc pressing assemblies 400, a plurality of second pressing assemblies 500, and a plurality of edge pressing assemblies 600 for pressing the upper vertical surface 125 along the conveying direction (front-rear direction) of the plate. In the process of contacting the edge band of the plate, the first pressing assembly, the first arc pressing assembly, the second arc pressing assembly, and the edge pressing assembly are very easy to scratch the edge band. In particular, in order to make the edge band better combined with the plate, the pressing assembly has a large pressing force with the plate. Under the action of the pressing force, it is easier to leave scratches on the edge band. Moreover, the edge band is not smooth before being combined with the groove of the plate, and the resistance between the edge band and the pressing assembly is large, which makes the edge band more prone to scratching, seriously affecting the appearance of the edge band.

[0004] A patent with publication number CN114714468A discloses a soft forming edge banding machine. The die assembly 61 includes a straight wheel, a first die 611, a second die 612, and a third die 613. The straight wheel cooperates with the slot of the plate 200 to bond the edge adhesive tape to the straight edge at the bottom end of the slot of the plate 200. The outer edge of the first die 611 is a bevel that gradually extends outward along the conveying direction of the edge adhesive tape. The first die 611 cooperates with the slot of the plate 200 to bend the edge adhesive tape into the slot. The second die 612 cooperates with the slot of the plate 200 to press the bottom surface of the bent edge adhesive tape against the bottom end surface of the slot. The third die 613 has an outer shape matching the outer shape of the slot. The third die 613 cooperates with the slot of the plate 200 to press the edge adhesive tape tightly against the slot. The bonding of the edge adhesive tape to the slot of the plate is completed by the first die 611, the second die 612, and the third die 613 pressing the edge adhesive tape into the slot of the plate. In the pressing process, the edge adhesive tape and the die rub against each other, leaving scratches, which affects the appearance of the edge adhesive tape. SUMMARY

[0005] To address the aforementioned problems, this invention provides a pressing device for a board edge banding machine, which solves the problem of wear on the edge banding tape when edge banding boards with C-shaped or J-shaped grooves.

[0006] The technical solution of this invention to solve the technical problem is as follows:

[0007] A pressing device for a board edge banding machine includes a frame and pressing rollers, pressing edge rollers, flanging rollers and pressing blocks arranged sequentially along the board walking direction and mounted on the frame, wherein the pressing rollers, pressing edge rollers and flanging rollers are rotatably configured;

[0008] The grooved roller is shaped to fit the groove of the plate, and multiple grooved rollers are provided, with the multiple grooved rollers gradually approaching the plate along the plate's walking direction;

[0009] The thickness of the pressure roller is not less than the thickness of the sheet metal;

[0010] The flanging wheel includes a frustum-shaped flanging wheel and a combined flanging wheel. The frustum-shaped flanging wheel has a frustum with a diameter that gradually decreases from bottom to top at the upper end of the main wheel. The shape of the part of the main wheel extending outside the frustum matches the groove of the sheet material. The combined flanging wheel includes a round wheel and a guide block set at the upper end of the round wheel. The front end of the round wheel extends outside the guide block, and the shape of the part of the round wheel extending outside the guide block matches the groove of the sheet material. The angle A between the front side of the guide block and the vertical plane is 0 to 60 degrees backward. The angle of inclination of the front side of the guide block of the combined flanging wheel is larger the closer it is to the material feeding direction. The front side of the guide block of the last combined flanging wheel is a vertical plane. The frustum-shaped flanging wheel is set on the material feeding direction side of the combined flanging wheel.

[0011] The pressing block includes a lower pressing block and an upper pressing block. The front end of the lower pressing block extends beyond the upper pressing block, and the shape of the portion of the lower pressing block extending beyond the upper pressing block matches the groove of the board. The front end face of the upper pressing block matches the upper vertical face of the board.

[0012] The pressing wheel, pressing wheel, flanging wheel and pressing block are all slidably mounted on the frame in the front-to-back direction, and are each connected to a linear drive device to adjust their front-to-back position.

[0013] Furthermore, the linear drive device is a cylinder, and when the last pressing wheel, pressing wheel, flanging wheel and pressing block travel along the board walking direction to the foremost point, its front end extends forward beyond the bottom of the board groove by 0-2mm.

[0014] Furthermore, an air outlet is provided between the lower pressing block and the upper pressing block of the pressing block, and the air outlet is connected to a hot air conveying device.

[0015] Furthermore, an anti-collision block is provided on one side of the feeding direction of the grooved wheel and the flanging wheel, and the front side of the anti-collision block is an inclined surface that gradually moves forward along the walking direction of the plate.

[0016] Furthermore, it also includes a transfer roller, the height of which matches the upper vertical surface of the board, and the transfer roller is located on the feeding side of the last pressing roller along the board's walking direction. The transfer roller is rotatably mounted on the frame and is connected to a linear drive device to adjust its front and rear positions.

[0017] Furthermore, the diameter of the first grooved roller along the direction of plate travel is larger than the diameter of the other grooved rollers.

[0018] Furthermore, it also includes a double-pressing structure, which includes a pressing wheel and is located behind the pressing block along the direction of board travel.

[0019] Furthermore, the aforementioned double-pressing structure also includes a combined flanging wheel, wherein the front side of the guide block of the combined flanging wheel of the double-pressing structure is a vertical surface.

[0020] Furthermore, the aforementioned pressure structure also includes an upper roller, the height of which matches the upper vertical surface of the plate. The upper roller is rotatably mounted on the frame and is connected to a linear drive device to adjust its front and rear positions.

[0021] The effects described in the invention are merely those of the embodiments, and not all the effects of the invention. One of the above technical solutions has the following advantages or beneficial effects:

[0022] 1. This invention uses multiple pressing rollers to sequentially push the edge banding tape into the groove of the board, avoiding the problem of excessive deformation and wrinkling caused by pushing the edge banding tape in one go. The pressing rollers press and adhere the edge banding tape to the upper groove surface, lower groove surface, and bottom of the groove of the board. The pressing rollers press and adhere the edge banding tape on the vertical surface of the ungrooved part of the board and the lower vertical surface of the grooved part of the board. After the flanging roller extends into the groove of the board, the frustum and guide block gradually bend and fold the edge banding tape on the upper vertical surface of the groove from a near-horizontal position, and press and adhere the edge banding tape on the upper vertical surface of the groove of the board to the board. Then, the lower pressing block of the pressing block presses the edge banding tape on each surface of the groove of the board, and the upper pressing block of the pressing block presses the edge banding tape on the upper vertical surface of the groove of the groove, making it firmly adhered to the side of the board, thus completing the pressing of the edge banding tape of the board. The edge banding machine uses a straight roller at the bonding roller to press the side of the board. The edge banding is pressed once on the side, and the edge banding tape on the vertical surface of the ungrooved part of the board and the lower vertical surface of the grooved part of the board is bonded to the board. Then, the edge banding tape is gradually fed into the groove of the board by the pressing wheel. First, the edge banding tape in the groove of the board is bonded. Then, the edge banding tape on the vertical surface of the ungrooved part of the board and the lower vertical surface of the groove of the board is pressed once to make it bond firmly. Then, the edge banding tape on the upper vertical surface of the groove is gradually bent and flipped upward from a near horizontal position by the flanging wheel and pressed onto the upper vertical surface of the groove. Then, the edge banding tape in the groove and the upper vertical surface is pressed once to make it bond firmly. Through the above processing steps, the edge banding tape is smoothly and stably bonded to the side of the board and the groove of the board. In this process, the friction between the edge banding tape and the pressing device is mainly rolling friction, especially in the early stage when the edge banding tape is not flat. The edge banding tape and the pressing device are rolling friction, which greatly avoids the wear problem of the pressing device on the edge banding tape.

[0023] 2. The present invention uses a cylinder as a linear drive device, and the pressing wheel, pressing wheel, flanging wheel and pressing block are pushed to a position above the bottom of the groove of the board under the action of the cylinder, so that there is a certain pressure between the board and the above wheels, thereby making the edge banding better bonded to the board.

[0024] 3. This invention sets air outlets between the pressing blocks, blows hot air into the edge banding of the board through the air outlets, softens the edge banding, and, together with the pressing blocks, presses the edge banding once, which can make the edge banding adhere to the board more smoothly and firmly.

[0025] 4. The present invention provides anti-collision blocks on the feeding side of the grooving wheel and the flanging wheel to guide the plate forward and prevent the plate from getting stuck on the grooving wheel and the flanging wheel.

[0026] 5. During the process of pushing the edge banding tape into the groove, especially when the last pressing roller pushes the edge banding tape into the groove, the edge banding tape and the upper edge of the side of the board are relatively displaced vertically. During this process, the adhesive on the back of the edge banding tape is scraped off by the upper edge of the side of the board and remains on the top surface of the board. This results in the edge banding tape that is not glued to the upper vertical surface of the groove, causing the edge banding tape at this position to be poorly bonded. This problem is more obvious at the corners at the beginning and end of the groove. The present invention uses a transfer adhesive roller to press the edge banding tape against the upper vertical surface of the groove of the board in advance, and to bond the adhesive on the back of the edge banding tape to the upper vertical surface of the groove of the board. This solves the problem of poor bonding caused by the lack of adhesive on the upper vertical surface of the groove due to the adhesive being scraped off by the upper edge of the side of the board.

[0027] 6. The present invention increases the diameter of the first pressing wheel, which is the first wheel to contact the edge banding. The larger diameter wheel increases the contact area between the edge banding and the wheel, thereby avoiding damage to the edge banding by the first pressing wheel.

[0028] 7. This invention uses the pressing wheel in the double pressing structure to press the vertical surface of the grooveless part of the board and the lower vertical surface of the grooved part of the board multiple times, uses the combined flanging wheel to press the vertical surface of the groove of the board and the various surfaces inside the groove multiple times, and uses the upper rolling wheel to press the vertical surface of the groove of the board multiple times, thereby making the edge banding more firmly bonded. Attached Figure Description

[0029] Figure 1 This is a schematic diagram of the overall three-dimensional structure of the present invention;

[0030] Figure 2 for Figure 1 Enlarged view of part I in the image;

[0031] Figure 3 for Figure 1 Enlarged view of Part II;

[0032] Figure 4 for Figure 1 Enlarged view of Part III;

[0033] Figure 5 This is a three-dimensional structural diagram of the combined flanging wheel of the present invention;

[0034] Figure 6 This is a side view of the front end of the combined flanging wheel;

[0035] Figure 7 This is a three-dimensional structural diagram of the pressing block of the present invention;

[0036] Figure 8 A three-dimensional structural diagram of a plate with a C-shaped groove;

[0037] Figure 9 A three-dimensional structural diagram of a plate with a J-shaped groove;

[0038] Figure 10 This is a front view of the side of the edge banding of the J-shaped grooved sheet material;

[0039] Figure 11 This is a sectional view of the grooved portion of a J-shaped grooved plate.

[0040] In the diagram, frame 1, grooving wheel 2, and edge pressing wheel 3 are shown.

[0041] Flanging wheel 4, frustum-shaped flanging wheel 41, frustum 411, main wheel 412, combined flanging wheel 42, round wheel 421, guide block 422.

[0042] Pressing block 5, lower pressing block 51, upper pressing block 52, air outlet 53, hot air conveying device 54.

[0043] The structure includes a double-pressing structure 6, an upper roller 61, a linear drive device 7, a crash block 8, a transfer roller 9, a sheet material 10, a grooveless vertical surface 101, a groove 102, a lower vertical surface 1021, a lower groove surface 1022, a groove bottom surface 1023, an upper groove surface 1024, and an upper vertical surface 1025. Detailed Implementation

[0044] To clearly illustrate the technical features of this solution, the invention will be described in detail below through specific embodiments and in conjunction with the accompanying drawings. The following disclosure provides many different embodiments or examples for implementing different structures of the invention. To simplify the disclosure, components and arrangements of specific examples are described below. Furthermore, reference numerals and / or letters may be repeated in different examples. This repetition is for simplification and clarity and does not in itself indicate a relationship between the various embodiments and / or arrangements discussed. It should be noted that the components illustrated in the drawings are not necessarily drawn to scale. Descriptions of well-known components, processing techniques, and processes are omitted to avoid unnecessarily limiting the invention.

[0045] A pressing device for a sheet metal edge banding machine includes a frame 1 and pressing wheels 2, 3, 4, and 5 arranged sequentially along the sheet metal traveling direction and mounted on the frame 1. The pressing wheels 2, 3, and 4 are rotatably mounted, while the pressing wheels 2, 3, 4, and 5 are all slidably mounted on the frame 1 in the front-to-back direction and are each connected to a linear drive device 7 to adjust their front-to-back positions. Specifically, the pressing wheels 2, 3, and 4 are rotatably mounted on a mounting block, which is slidably mounted on the frame in the front-to-back direction and connected to the linear drive device 7.

[0046] The grooved roller 2 is shaped to fit the groove of the board. Multiple grooved rollers 2 are provided, and the multiple grooved rollers 2 gradually approach the board along the board's walking direction. That is, when the board passes through multiple grooved rollers, the edge banding is gradually pressed into the groove of the board. Specifically, the thickness of the grooved roller matches the thickness of the groove, and the outer circumference shape of the grooved roller matches the bottom shape of the groove.

[0047] The thickness of the pressing wheel 3 is not less than the thickness of the board. The pressing wheel presses the vertical surface of the grooveless part of the board and the lower vertical surface of the grooved part of the board. Among them, the upper vertical surface of the groove of the C-shaped groove is about 1mm inward compared with the lower vertical surface, so the pressing wheel cannot contact the upper vertical surface of the groove.

[0048] The flanging wheel 4 includes a frustum-shaped flanging wheel 41 and a combined flanging wheel 42. The frustum-shaped flanging wheel 41 has a frustum 411 on its main wheel 412, with the diameter gradually decreasing from bottom to top. The shape of the portion of the main wheel 412 extending outside the frustum 411 matches the groove of the sheet material. This matching refers to the wheel's thickness matching the groove's thickness, and the wheel's outer circumference matching the groove's bottom shape. The combined flanging wheel 42 includes a circular wheel 421 and a guide block 422 disposed on the upper end of the circular wheel 421. The front end of the circular wheel 421 extends beyond the guide block 422, and the shape of the portion of the circular wheel 421 extending beyond the guide block 422 matches the groove of the sheet material. This matching refers to the wheel's thickness matching the groove's bottom shape. The thickness is matched, the outer circumference shape of the wheel matches the bottom shape of the groove, the front side of the guide block 422 and the vertical plane form an angle A of 0 to 60 degrees to tilt backward, and the angle of inclination of the front side of the guide block of the combined flanging wheel 42 is larger the closer to the material direction. The front side of the guide block of the last combined flanging wheel 42 is a vertical plane. The frustum-shaped flanging wheel 41 is set on the material direction side of the combined flanging wheel 42. That is, the frustum-shaped flanging wheel first folds the edge banding strip at the top of the groove upward from a near horizontal position to guide it to a certain angle, and then gradually increases the folding angle through the guide block of the combined flanging wheel until the edge banding strip is folded vertically, and the edge banding strip is pressed against the upper vertical surface of the groove of the board to make it fit together.

[0049] The pressing block 5 includes a lower pressing block 51 and an upper pressing block 52. The front end of the lower pressing block extends beyond the upper pressing block 52, and the shape of the part of the lower pressing block 51 extending beyond the upper pressing block 52 matches the groove of the board. The matching refers to the thickness of the lower pressing block matching the thickness of the groove. The front end face of the upper pressing block 51 matches the upper vertical surface of the board, that is, during the movement of the board, the front end face of the upper pressing block can completely press the upper vertical surface of the board.

[0050] In one specific implementation, the linear drive device 7 is a cylinder. When the last pressing wheel 2, pressing wheel 3, flanging wheel 4, and pressing block 5 travels along the board's walking direction to the foremost point, their front ends extend forward 0-2mm beyond the bottom of the board's groove. Under the pressure of the board, the last pressing wheel 2, pressing wheel 3, flanging wheel 4, and pressing block 5 press against the bottom of the board's groove. The cylinder's action can apply a certain pressure to the bottom of the board's groove using these wheels. Alternatively, the linear drive device can also be a hydraulic cylinder, a screw and nut assembly, an electric telescopic rod, or other conventional linear drive devices.

[0051] As a preferred embodiment, an air outlet 53 is provided between the lower pressing block 51 and the upper pressing block 52 of the pressing block 5. The air outlet 53 is connected to a hot air conveying device 54. The specific hot air conveying device can be a conventional hot air gun, hot air generator, etc.

[0052] As a preferred embodiment, a collision protection block 8 is provided on one side of the feeding direction of the groove roller 2 and the flange roller 4, and the front side of the collision protection block 8 is an inclined surface that gradually moves forward along the walking direction of the plate.

[0053] As a preferred embodiment, it also includes a transfer roller 9, the height of which matches the upper vertical surface of the board, and the transfer roller 9 is located on the feeding side of the last pressing roller 2 along the board traveling direction. The transfer roller 9 is rotatably mounted on the frame 1 and is connected to a linear drive device 7 to adjust its front and rear positions.

[0054] Specifically, the diameter of the first grooved roller 2 along the direction of the plate travel is larger than the diameter of the other grooved rollers 2.

[0055] As a preferred embodiment, it also includes a secondary pressing structure 6, which includes a pressing wheel 3 and is disposed behind the pressing block 5 along the board traveling direction.

[0056] Furthermore, the super-pressure structure 6 also includes a combined flanging wheel 42, and the front side of the guide block of the combined flanging wheel 42 of the super-pressure structure 6 is a vertical surface.

[0057] Furthermore, the super-pressure structure 6 also includes an upper roller 61, the height of which matches the upper vertical surface of the plate. The upper roller 61 is rotatably mounted on the frame 1 and is connected to a linear drive device 7 to adjust its front and rear positions.

[0058] The specific working process of this invention is as follows: A board with a C-shaped or J-shaped groove is bonded to an edge-sealing tape containing adhesive at the bonding wheel of the edge-sealing device. At this time, the edge-sealing tape is bonded to the grooveless vertical surface 101 and the lower vertical surface 1021 of the groove 102 portion of the board 10. The board with the bonded edge-sealing tape moves parallel to each other. When the groove 102 of the board moves to the pressing wheel, the linear drive device drives the pressing wheel forward to press the edge-sealing tape. This process continues through multiple pressing wheels 2, which gradually press the edge-sealing tape into the groove until the edge-sealing tape is fully bonded to the lower groove surface 1022, the bottom surface 1023, and the upper groove surface 1024 of the groove. During this process, the transfer... The glue roller transfers the glue on the edge banding tape onto the upper vertical surface 1025 of the groove. Then, the pressing roller presses the edge banding tape on the grooveless vertical surface 101 and the lower vertical surface 1021 of the grooved part of the board. This ensures that the edge banding tape on the grooveless vertical surface and the lower vertical surface of the grooved part of the board remains flat and firmly bonded to the board after being pressed into the groove. Then, multiple flanging rollers gradually bend and fold the edge banding tape on the upper vertical surface of the grooved part upward from a near-horizontal position. During this process, the edge banding tape in the groove is pressed and reinforced. Finally, the pressing block presses and reinforces the edge banding tape on each surface in the groove and the upper vertical surface of the groove. At this point, the bonding between the edge banding and the board is basically complete. In the double-pressing structure, the pressing wheel presses the vertical surface of the ungrooved part of the board and the lower vertical surface of the grooved part of the board multiple times. The combined flanging wheel presses the vertical surface of the groove and the various surfaces inside the groove multiple times. The upper rolling wheel presses the vertical surface of the groove multiple times, thereby making the edge banding bonded more firmly.

[0059] During the above-mentioned work process, when the processing position of the board corresponding to the pressing wheel 2, pressing wheel 3, flanging wheel 4, pressing block 5 or upper roller 61 moves in front of it, its linear drive device will move it forward to the processing position. When the corresponding processing position is completed, the linear drive device will move it backward to return to the initial position. In addition, during the pressing process, in order to ensure that the edge banding tape softens and the glue does not solidify, the edge banding tape will be heated by heating rods, heating lamps, etc.

[0060] Although the specific embodiments of the invention have been described above in conjunction with the accompanying drawings, this is not intended to limit the scope of protection of the invention. Based on the technical solutions of the invention, various modifications or variations that can be made by those skilled in the art without creative effort are still within the scope of protection of the invention.

Claims

1. A pressing device for a board edge banding machine, characterized in that, It includes a frame (1) and a groove pressing wheel (2), an edge pressing wheel (3), a flanging wheel (4) and a pressing block (5) arranged in sequence along the walking direction of the plate on the frame (1), wherein the groove pressing wheel (2), the edge pressing wheel (3) and the flanging wheel (4) are rotatably arranged; The grooved roller (2) is shaped to fit the groove of the plate. Multiple grooved rollers (2) are provided, and the multiple grooved rollers (2) gradually approach the plate along the walking direction of the plate. The thickness of the pressing wheel (3) is not less than the thickness of the plate; The flanging wheel (4) includes a frustum-shaped flanging wheel (41) and a combined flanging wheel (42). The frustum-shaped flanging wheel (41) has a frustum (411) with a diameter that gradually decreases from bottom to top on the upper end of the main wheel (412). The shape of the part of the main wheel (412) extending outside the frustum (411) matches the groove of the plate. The combined flanging wheel (42) includes a wheel (421) and a guide block (422) disposed on the upper end of the wheel (421). The front end of the wheel (421) extends to... Outside the guide block (422), the shape of the part of the wheel (421) extending outside the guide block (422) matches the groove of the plate. The angle A between the front side of the guide block (422) and the vertical plane is 0 to 60 degrees backward. The angle of inclination of the front side of the guide block of the combined flanging wheel (42) closer to the material feeding direction is larger. The front side of the guide block of the last combined flanging wheel (42) is a vertical plane. The frustum-shaped flanging wheel (41) is set on the material feeding direction side of the combined flanging wheel (42). The pressing block (5) includes a lower pressing block (51) and an upper pressing block (52). The front end of the lower pressing block extends beyond the upper pressing block (52), and the shape of the part of the lower pressing block (51) extending beyond the upper pressing block (52) matches the groove of the board. The front end face of the upper pressing block (52) matches the upper vertical face of the board. The pressing wheel (2), pressing wheel (3), flanging wheel (4) and pressing block (5) are all slidably mounted on the frame (1) in the front-back direction, and are respectively connected to a linear drive device (7) to adjust their front-back position; It also includes a transfer roller (9), the height of which matches the upper vertical surface of the board, and the transfer roller (9) is located on the feeding side of the last pressing roller (2) along the board walking direction. The transfer roller (9) is rotatably mounted on the frame (1) and is connected to a linear drive device (7) to adjust its front and rear positions.

2. The pressing device for a board edge banding machine as described in claim 1, characterized in that, The linear drive device (7) is a cylinder. When the last pressing wheel (2), pressing wheel (3), flanging wheel (4) and pressing block (5) along the walking direction of the plate moves to the front end, its front end moves forward 0-2mm beyond the bottom of the groove of the plate.

3. The pressing device for a board edge banding machine as described in claim 1, characterized in that, An air outlet (53) is provided between the lower pressing block (51) and the upper pressing block (52) of the pressing block (5), and the air outlet (53) is connected to a hot air conveying device (54).

4. The pressing device for a board edge banding machine as described in claim 1, characterized in that, The grooved wheel (2) and the flanged wheel (4) are provided with anti-collision blocks (8) on one side of the feeding direction. The front side of the anti-collision block (8) is an inclined surface that gradually moves forward along the walking direction of the plate.

5. The pressing device for a board edge banding machine as described in claim 1, characterized in that, The diameter of the first grooved roller (2) along the direction of plate travel is larger than the diameter of the other grooved rollers (2).

6. A pressing device for a sheet metal edge banding machine as described in any one of claims 1-5, characterized in that, It also includes a double-pressing structure (6), which includes a pressing wheel (3) and is located behind the pressing block (5) along the direction of the board's travel.

7. The pressing device for a board edge banding machine as described in claim 6, characterized in that, The aforementioned compound pressing structure (6) also includes a combined flanging wheel (42), and the front side of the guide block of the combined flanging wheel (42) of the compound pressing structure (6) is a vertical surface.

8. The pressing device for a board edge banding machine as described in claim 6, characterized in that, The aforementioned pressure structure (6) also includes an upper roller (61), the height of which is matched with the upper vertical surface of the plate. The upper roller (61) is rotatably mounted on the frame (1) and is connected to a linear drive device (7) to adjust its front and rear positions.

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