An adaptive straight edge banding system for sheet metal

Abstract

The present application relates to plate processing equipment technical field, specifically to a kind of self-adapting type plate linear edge banding system, including the edge banding machine main body being provided with defoaming unit, defoaming unit is used to prevent edge banding tape to fall off, defoaming unit includes cavity, cylinder, clamping plate, motor and connecting rubber membrane, cylinder is installed on edge banding machine main body can drive cavity to move, cavity is opened with the air pipe being connected with vacuumizing equipment on, clamping plate is respectively arranged in the upper and lower sides of cavity, clamping plate is used to clamp plate and clamping plate and cavity constitute the moving pair in vertical direction, motor is set in the rear side of cavity and is driven clamping plate by swing arm with roller, connecting rubber membrane is connected with the rear side of clamping plate located in the different sides of cavity, one end of air pipe is communicated with connecting rubber membrane, it can be self-adapting different thickness plate without frequently replacing adapter, while eliminating air bubble can make hot melt adhesive form invasive interface in plate edge, help to improve the bonding strength of edge banding tape and plate and avoid peeling.

Description

Technical Field

[0001] This invention relates to the field of sheet metal processing equipment, and in particular to an adaptive sheet metal straight edge banding system. Background Technology

[0002] A wood edge banding machine is a specialized piece of equipment used in furniture manufacturing or woodworking industries. It is mainly used to band the edges of boards (such as particleboard, MDF, etc.). Through automated operation, it attaches edge banding strips (PVC, ABS, wood veneer, etc.) to the edges of the boards, completing processes such as cutting and trimming. It replaces traditional manual edge banding, making the boards more aesthetically pleasing and durable, while preventing moisture intrusion and edge wear.

[0003] During actual production and processing, wood edge banding may peel off in some areas, causing the edge banding strip to fall off. The main reasons for this are as follows:

[0004] The thin adhesive layer (treatment agent) on the edge banding strip leads to a decrease in the affinity between the edge banding strip and the hot melt adhesive;

[0005] After the hot melt adhesive melts and flows, air bubbles are formed between the edge banding strip and the edge of the wood, resulting in a decrease in the local bonding strength of the edge banding strip;

[0006] The purpose of this invention is to propose a new edge banding device for boards to solve the above-mentioned problems, so as to improve the bonding strength between the edge banding strip and the edge of the board and avoid the edge banding strip peeling off. Summary of the Invention

[0007] The purpose of this invention is to provide an adaptive straight edge banding system for sheet metal to solve the problems mentioned in the background art.

[0008] To achieve the above objectives, the present invention provides the following technical solution: It includes an edge banding machine body, on which a conveying unit, a pre-milling unit, a glue application and feeding unit, and a defoaming unit are provided. The conveying unit is used to convey boards onto the edge banding machine body; the pre-milling unit is used to mill the edges of the boards; and the glue application and feeding unit is used to apply glue to the edges of the boards and convey the edge banding tape. The conveying unit, pre-milling unit, and glue application and feeding unit are common mechanisms on existing edge banding machines. Their specific structures and working principles are not essential technical features nor are they the content that the applicant seeks to protect. Therefore, they are not further disclosed, and this will not affect the implementation of the technical solution.

[0009] The defoaming unit is used to prevent the edge banding tape from falling off. The defoaming unit includes a cavity, a cylinder, a clamping plate, a motor, and a connecting rubber membrane. The cavity has a longitudinal section of 1 / 2 for fitting with the edge of the board. The cylinder is mounted on the main body of the edge banding machine and can drive the cavity to move. The cavity is provided with an air extraction pipe connected to a vacuuming device. The clamping plates are respectively set on the upper and lower sides of the cavity. The clamping plates are used to clamp the board and the clamping plates and the cavity form a vertical moving pair. The motor is set on the rear side of the cavity. The motor shaft is connected to the middle of the swing arm located inside the cavity. Rollers are set at both ends of the swing arm and the rollers abut against the clamping plates located on different sides of the cavity. The connecting rubber membrane is connected to the rear side of the clamping plates located on different sides of the cavity. One end of the air extraction pipe is connected to the connecting rubber membrane.

[0010] To optimize the above technical solution, further measures are taken, including: a sealing unit located on the left and right sides of the cavity. The sealing unit includes a sealing rubber membrane, a fixed plate, a movable plate, and a rubber support block. The sealing rubber membrane is located on the left and right sides of the clamping plate and is connected to the clamping plates located on different sides of the cavity. One end of the fixed plate is hinged to a clamping plate and is located behind the sealing rubber membrane. A groove for accommodating the movable plate is formed on the fixed plate. The movable plate is located in the groove and can move to form a sliding pair with the groove. The rubber support block is located behind the fixed plate and is connected to any clamping plate. The purpose of the sealing unit is to seal the cavity and the edge of the plate, thereby improving the vacuuming effect of the suction pipe and ensuring defoaming.

[0011] The sealing rubber membrane refers to the rubber membrane that serves a sealing function, while the connecting rubber membrane refers to the rubber membrane that serves a connecting function to connect the clamping plate. The specific material of the rubber membrane is not the technical content that the applicant wants to protect, so no further explanation will be given regarding its specific material. In specific implementation, technicians can select appropriate rubber materials according to actual needs, which will not have a substantial impact on the technical effect.

[0012] As a further improvement to the above technical solution, a stabilizing unit is also included. The stabilizing unit includes a connecting plate, a connecting rod, and a roller. Bolts are used to fix the connecting plate to the edge banding machine body through openings in the connecting plate. One end of the connecting rod is connected to the connecting plate to form a rotating pair, and the other end of the connecting rod is equipped with a roller. The purpose of setting up the stabilizing unit is to improve the stability of the edge banding at the edge of the board and to prevent the edge banding from running before the hot melt adhesive has completely solidified, which would lead to an increase in the amount of cutting required for the edge banding later.

[0013] As a further improvement to the technical solution: the outer side of the roller has a raised edge with a wedge-shaped cross section, and there are two connecting rods connected by a connecting spring. The purpose of setting the raised edge is to concentrate stress to ensure that the edge banding strip is tightly attached to the edge of the board.

[0014] As an improvement to the aforementioned technical solution: a limiting rod is formed on the clamping plate, the limiting rod vertically penetrates the cavity and forms a vertical moving pair with the cavity, an anti-detachment plate is provided at the end of the limiting rod and a return spring is provided between the anti-detachment plate and the cavity, when the clamping plate clamps the edge of the plate and performs the clamping action, the return spring is compressed, and after the clamping action is completed, the shape of the return spring is restored and drives the clamping plate to return to its original position.

[0015] Furthermore, the surface of the clamping plate is coated with a polytetrafluoroethylene coating, and a heating rod is provided on the outside of the clamping plate. The polytetrafluoroethylene coating has excellent chemical corrosion resistance and high temperature resistance, and the surface friction coefficient is extremely low, which can reduce the adhesion between the hot melt adhesive and the clamping plate. The purpose of setting the heating rod is to increase the temperature of the clamping plate and improve the flowability of the hot melt adhesive located between the clamping plates.

[0016] As can be seen from the above description of the structure of the present invention, compared with the prior art, the present invention has the following advantages:

[0017] a. Under negative pressure, hot melt adhesive can penetrate into the gaps in the material itself, forming an invasive interface, which helps to improve the bonding strength between the edge banding and the board, prevents the edge banding from peeling off, and requires less treatment agent thickness;

[0018] b. The defoaming unit and sealing unit can adapt to different thicknesses of boards, with a wide range of applications and no need for frequent replacement of fittings.

[0019] c. Negative pressure can eliminate air bubbles in the hot melt adhesive, ensuring the bonding strength between the edge banding and the board edge and preventing the edge banding from peeling off. Attached Figure Description

[0020] The accompanying drawings, which form part of this application, are used to provide a further understanding of the invention. The illustrative embodiments of the invention and their descriptions are used to explain the invention and do not constitute an undue limitation of the invention. In the drawings:

[0021] Figure 1 This is a schematic diagram of the three-dimensional structure of the present invention;

[0022] Figure 2 This is a three-dimensional structural diagram of the defoaming device;

[0023] Figure 3 This is a disassembled structural diagram of the defoaming device;

[0024] Figure 4 A schematic diagram of the three-dimensional structure of the stabilizing device. Figure 1 ;

[0025] Figure 5 A schematic diagram of the three-dimensional structure of the stabilizing device. Figure 2 ;

[0026] Figure 6A schematic diagram showing the disassembled structure of the sealing device;

[0027] In the diagram: Edge banding machine body-1, defoaming unit-2, cavity-201, cylinder-202, clamping plate-203, motor-204, connecting rubber membrane-205, air extraction pipe-206, swing arm-207, roller-208, limit rod-209, anti-detachment plate-2010, return spring-2011, heating rod-2012, sealing unit-3, sealing rubber membrane-301, fixing plate-302, movable plate-303, rubber support block-304, groove-305, stabilizing unit-4, connecting plate-401, connecting rod-402, roller-403, raised edge-404, connecting spring-405 Detailed Implementation

[0028] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0029] Example 1

[0030] Please refer to the figure. The present invention provides an adaptive straight edge banding system for sheet metal, including an edge banding machine body 1. The edge banding machine body 1 is provided with a conveying unit, a pre-milling unit, an adhesive application and feeding unit, and a defoaming unit 2. The conveying unit is used to convey sheet metal on the edge banding machine body 1, the pre-milling unit is used to mill the edge of the sheet metal, and the adhesive application and feeding unit is used to apply adhesive to the edge of the sheet metal and convey the edge banding tape.

[0031] The defoaming unit 2 is used to prevent the sealing tape from falling off. The defoaming unit 2 includes a cavity 201, a cylinder 202, a clamping plate 203, a motor 204, and a connecting rubber membrane 205.

[0032] The cavity 201 has a longitudinal section of [] for fitting with the edge of the board. The cylinder 202 is installed on the main body 1 of the edge banding machine and can drive the cavity 201 to move. The cavity 201 is provided with a vacuum pipe 206 connected to the vacuum equipment.

[0033] The clamping plates 203 are respectively disposed on the upper and lower sides of the cavity 201. The clamping plates 203 are used to clamp the plate and the clamping plates 203 and the cavity 201 form a vertical moving pair. A limiting rod 209 is formed on the clamping plates 203. The limiting rod 209 vertically penetrates the cavity 201 and forms a vertical moving pair with the cavity 201. An anti-detachment plate 2010 is provided at the end of the limiting rod 209 and a return spring 2011 is disposed between the anti-detachment plate 2010 and the cavity 201.

[0034] The motor 204 is located on the rear side of the cavity 201. The rotating shaft of the motor 204 is connected to the middle of the swing arm 207 located inside the cavity 201. Both ends of the swing arm 207 are provided with rollers 208, and the rollers 208 abut against the clamping plates 203 located on different sides of the cavity 201.

[0035] The connecting rubber membrane 205 is connected to the rear side of the clamping plate 203 located on different sides of the cavity 201, and one end of the air extraction pipe 206 is connected to the connecting rubber membrane 205.

[0036] Example 2

[0037] Please refer to the figure. The present invention provides an adaptive straight edge banding system for sheet metal, including an edge banding machine body 1. The edge banding machine body 1 is provided with a conveying unit, a pre-milling unit, an adhesive application and feeding unit, a defoaming unit 2, and a sealing unit 3. The conveying unit is used to convey sheet metal on the edge banding machine body 1, the pre-milling unit is used to mill the edge of the sheet metal, and the adhesive application and feeding unit is used to apply adhesive to the edge of the sheet metal and convey the edge banding tape.

[0038] The defoaming unit 2 is used to prevent the sealing tape from falling off. The defoaming unit 2 includes a cavity 201, a cylinder 202, a clamping plate 203, a motor 204, and a connecting rubber membrane 205.

[0039] The cavity 201 has a longitudinal section of [] for fitting with the edge of the board. The cylinder 202 is installed on the main body 1 of the edge banding machine and can drive the cavity 201 to move. The cavity 201 is provided with a vacuum pipe 206 connected to the vacuum equipment.

[0040] The clamping plates 203 are respectively disposed on the upper and lower sides of the cavity 201. The clamping plates 203 are used to clamp the plate and the clamping plates 203 and the cavity 201 form a vertical moving pair. A limiting rod 209 is formed on the clamping plates 203. The limiting rod 209 vertically penetrates the cavity 201 and forms a vertical moving pair with the cavity 201. An anti-detachment plate 2010 is provided at the end of the limiting rod 209 and a return spring 2011 is disposed between the anti-detachment plate 2010 and the cavity 201.

[0041] The motor 204 is located on the rear side of the cavity 201. The rotating shaft of the motor 204 is connected to the middle of the swing arm 207 located inside the cavity 201. Both ends of the swing arm 207 are provided with rollers 208, and the rollers 208 abut against the clamping plates 203 located on different sides of the cavity 201.

[0042] The connecting rubber membrane 205 is connected to the rear side of the clamping plate 203 located on different sides of the cavity 201, and one end of the suction pipe 206 is connected to the connecting rubber membrane 205. It also includes a sealing unit 3, which is located on the left and right sides of the cavity 201. The sealing unit 3 includes a sealing rubber membrane 301, a fixed plate 302, a movable plate 303, and a rubber support block 304.

[0043] The sealing rubber membrane 301 is located on the left and right sides of the clamping plate 203 and is connected to the clamping plate 203 located on different sides of the cavity 201.

[0044] One end of the fixing plate 302 is hinged to a clamping plate 203. The fixing plate 302 is located behind the sealing rubber membrane 301. A groove 305 is formed on the fixing plate 302 to accommodate the movable plate 303.

[0045] The movable plate 303 is located within the groove 305 and can move to form a sliding pair with the groove 305.

[0046] The rubber support block 304 is located behind the fixing plate 302 and is connected to any clamping plate 203.

[0047] Example 3

[0048] Please refer to the figure. The present invention provides an adaptive straight edge banding system for sheet metal, including an edge banding machine body 1. The edge banding machine body 1 is provided with a conveying unit, a pre-milling unit, an adhesive application and feeding unit, a defoaming unit 2, a sealing unit 3, and a stabilizing unit 4. The conveying unit is used to convey sheet metal on the edge banding machine body 1, the pre-milling unit is used to mill the edge of the sheet metal, and the adhesive application and feeding unit is used to apply adhesive to the edge of the sheet metal and convey the edge banding tape.

[0049] The defoaming unit 2 is used to prevent the sealing tape from falling off. The defoaming unit 2 includes a cavity 201, a cylinder 202, a clamping plate 203, a motor 204, and a connecting rubber membrane 205.

[0050] The cavity 201 has a longitudinal section of [] for fitting with the edge of the board. The cylinder 202 is installed on the main body 1 of the edge banding machine and can drive the cavity 201 to move. The cavity 201 is provided with a vacuum pipe 206 connected to the vacuum equipment.

[0051] The clamping plates 203 are respectively disposed on the upper and lower sides of the cavity 201. The clamping plates 203 are used to clamp the plate and the clamping plates 203 and the cavity 201 form a vertical moving pair. A limiting rod 209 is formed on the clamping plates 203. The limiting rod 209 vertically penetrates the cavity 201 and forms a vertical moving pair with the cavity 201. An anti-detachment plate 2010 is provided at the end of the limiting rod 209 and a return spring 2011 is disposed between the anti-detachment plate 2010 and the cavity 201.

[0052] The motor 204 is located on the rear side of the cavity 201. The rotating shaft of the motor 204 is connected to the middle of the swing arm 207 located inside the cavity 201. Both ends of the swing arm 207 are provided with rollers 208, and the rollers 208 abut against the clamping plates 203 located on different sides of the cavity 201.

[0053] The connecting rubber membrane 205 is connected to the rear side of the clamping plate 203 located on different sides of the cavity 201, and one end of the suction pipe 206 is connected to the connecting rubber membrane 205. It also includes a sealing unit 3, which is located on the left and right sides of the cavity 201. The sealing unit 3 includes a sealing rubber membrane 301, a fixed plate 302, a movable plate 303, and a rubber support block 304.

[0054] The sealing rubber membrane 301 is located on the left and right sides of the clamping plate 203 and is connected to the clamping plate 203 located on different sides of the cavity 201.

[0055] One end of the fixing plate 302 is hinged to a clamping plate 203. The fixing plate 302 is located behind the sealing rubber membrane 301. A groove 305 is formed on the fixing plate 302 to accommodate the movable plate 303.

[0056] The movable plate 303 is located within the groove 305 and can move to form a sliding pair with the groove 305.

[0057] The rubber support block 304 is located behind the fixing plate 302 and is connected to any clamping plate 203.

[0058] The stabilizing unit 4 includes a connecting plate 401, a connecting rod 402, and a roller 403.

[0059] Bolts are used to fix the connecting plate 401 to the edge banding machine body 1 through the openings on the connecting plate 401.

[0060] One end of the connecting rod 402 is connected to the connecting plate 401 to form a rotating pair, and the other end of the connecting rod 402 is provided with a roller 403. A convex edge 404 is formed on the outer side of the roller 403. The cross section of the convex edge 404 is wedge-shaped. There are two connecting rods 402, and the connecting rods 402 are connected by a connecting spring 405.

[0061] Example 4

[0062] Please refer to the figure. The present invention provides an adaptive straight edge banding system for sheet metal, including an edge banding machine body 1. The edge banding machine body 1 is provided with a conveying unit, a pre-milling unit, an adhesive application and feeding unit, a defoaming unit 2, a sealing unit 3, and a stabilizing unit 4. The conveying unit is used to convey sheet metal on the edge banding machine body 1, the pre-milling unit is used to mill the edge of the sheet metal, and the adhesive application and feeding unit is used to apply adhesive to the edge of the sheet metal and convey the edge banding tape.

[0063] The defoaming unit 2 is used to prevent the sealing tape from falling off. The defoaming unit 2 includes a cavity 201, a cylinder 202, a clamping plate 203, a motor 204, and a connecting rubber membrane 205.

[0064] The cavity 201 has a longitudinal section of [] for fitting with the edge of the board. The cylinder 202 is installed on the main body 1 of the edge banding machine and can drive the cavity 201 to move. The cavity 201 is provided with a vacuum pipe 206 connected to the vacuum equipment.

[0065] The clamping plates 203 are respectively disposed on the upper and lower sides of the cavity 201. The clamping plates 203 are used to clamp the plate and the clamping plates 203 and the cavity 201 form a vertical moving pair. The surface of the clamping plates 203 is coated with polytetrafluoroethylene. A heating rod 2012 is disposed on the outside of the clamping plates 203. A limiting rod 209 is formed on the clamping plates 203. The limiting rod 209 vertically penetrates the cavity 201 and forms a vertical moving pair with the cavity 201. An anti-detachment plate 2010 is disposed at the end of the limiting rod 209 and a return spring 2011 is disposed between the anti-detachment plate 2010 and the cavity 201.

[0066] The motor 204 is located on the rear side of the cavity 201. The rotating shaft of the motor 204 is connected to the middle of the swing arm 207 located inside the cavity 201. Both ends of the swing arm 207 are provided with rollers 208, and the rollers 208 abut against the clamping plates 203 located on different sides of the cavity 201.

[0067] The connecting rubber membrane 205 is connected to the rear side of the clamping plate 203 located on different sides of the cavity 201, and one end of the suction pipe 206 is connected to the connecting rubber membrane 205. It also includes a sealing unit 3, which is located on the left and right sides of the cavity 201. The sealing unit 3 includes a sealing rubber membrane 301, a fixed plate 302, a movable plate 303, and a rubber support block 304.

[0068] The sealing rubber membrane 301 is located on the left and right sides of the clamping plate 203 and is connected to the clamping plate 203 located on different sides of the cavity 201.

[0069] One end of the fixing plate 302 is hinged to a clamping plate 203. The fixing plate 302 is located behind the sealing rubber membrane 301. A groove 305 is formed on the fixing plate 302 to accommodate the movable plate 303.

[0070] The movable plate 303 is located within the groove 305 and can move to form a sliding pair with the groove 305.

[0071] The rubber support block 304 is located behind the fixing plate 302 and is connected to any clamping plate 203.

[0072] The stabilizing unit 4 includes a connecting plate 401, a connecting rod 402, and a roller 403.

[0073] Bolts are used to fix the connecting plate 401 to the edge banding machine body 1 through the openings on the connecting plate 401.

[0074] One end of the connecting rod 402 is connected to the connecting plate 401 to form a rotating pair, and the other end of the connecting rod 402 is provided with a roller 403. A convex edge 404 is formed on the outer side of the roller 403. The cross section of the convex edge 404 is wedge-shaped. There are two connecting rods 402, and the connecting rods 402 are connected by a connecting spring 405.

[0075] Working principle: For embodiments 1-4, when the edge banding machine body 1 performs the edge banding operation, the cylinder 202 can push the cavity 201 to surround the edge of the board. Then, the external vacuum equipment draws air to form a negative pressure at the air extraction pipe 206. At this time, under the action of negative pressure, the air bubbles in the hot melt adhesive that is bonding the board and the edge banding will be discharged. The hot melt adhesive can penetrate into the gaps in the board material to form an embedded cross section, which helps to ensure the bonding strength between the edge banding and the board, avoid the edge banding peeling and separation, and help improve the utilization efficiency of the hot melt adhesive.

[0076] In Examples 1-4, when a negative pressure is formed at the suction pipe 206, the motor 204 can drive the swing arm 207 to rotate. At this time, the roller 208 on the swing arm 207 will squeeze the clamping plate 203 to make the clamping plate 203 fit tightly against the surface of the board, which helps to ensure the sealing of the space between the cavity 201 and the board and ensure the defoaming effect of the hot melt adhesive. At the same time, by controlling the degree of rotation of the swing arm 207 driven by the motor 204, the distance between the clamping plates 203 can be controlled. The larger the rotation angle of the swing arm 207, the larger the distance between the clamping plates 203; the smaller the rotation angle of the swing arm 207, the smaller the distance between the clamping plates 203, which can adapt to boards of different thicknesses.

[0077] For embodiments 2-4, when the cylinder 202 pushes the cavity 201 to cooperate with the plate, the sealing rubber membrane 301 on the sealing unit 3 will be pressed tightly against the edge of the plate by the action of the fixing plate 302 and the rubber support block 304, which helps to improve the air sealing between the cavity 201 and the plate, and ensures the defoaming effect of the negative pressure on the hot melt adhesive. For plates of different thicknesses, the thickness of the clamping plate 203 is inconsistent. At this time, the movable plate 303 can move along the groove 305 to ensure that the support surface received by the sealing rubber membrane 301 can match the thickness of the plate, which can be applied to plates of different thicknesses.

[0078] In Example 4, the heating rod 2012 can heat the clamping plate 203 to bring the clamping plate 203 to a certain temperature. The purpose of this setting is to use the clamping plate 203 to heat the hot melt adhesive between the board and the edge banding tape, so as to avoid the hot melt adhesive from cooling and hardening after cooling, which would affect the defoaming effect.

[0079] In Examples 3 and 4, during the defoaming process, roller 403 is used to hold the edge banding tape in place. The protruding edge 404 on roller 403 can limit the displacement of the edge banding tape. The purpose is to prevent the edge banding tape from running before the hot melt adhesive has solidified, which would lead to a larger cutting amount for subsequent trimming and scraping.

[0080] Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present invention should be included within the protection scope of the present invention.

Claims

1. An adaptive straight edge banding system for sheet metal, characterized in that: The machine includes a main body (1) of an edge banding machine. The main body (1) of the edge banding machine is equipped with a conveying unit, a pre-milling unit and a glue-applying and tape-feeding unit. The conveying unit is used to convey the board on the main body (1), the pre-milling unit is used to mill the edge of the board, and the glue-applying and tape-feeding unit is used to apply glue to the edge of the board and convey the edge banding tape. It also includes a defoaming unit (2) and a sealing unit (3). The defoaming unit (2) is used to prevent the sealing tape from falling off. The defoaming unit (2) includes a cavity (201), a cylinder (202), a clamping plate (203), a motor (204), and a connecting rubber membrane (205). The cavity (201) has a longitudinal section of 1 for fitting with the edge of the board. The cylinder (202) is installed on the body (1) of the edge banding machine and can drive the cavity (201) to move. The cavity (201) is provided with a vacuum pipe (206) connected to the vacuum equipment. The clamping plates (203) are respectively disposed on the upper and lower sides of the cavity (201). The clamping plates (203) are used to clamp the plate and the clamping plates (203) and the cavity (201) form a vertical moving pair. The motor (204) is located on the rear side of the cavity (201). The motor (204) shaft is connected to the middle of the swing arm (207) located inside the cavity (201). Both ends of the swing arm (207) are provided with rollers (208) and the rollers (208) abut against the clamping plates (203) located on different sides of the cavity (201). The connecting rubber membrane (205) is connected to the rear side of the clamping plate (203) located on different sides of the cavity (201), and one end of the air extraction pipe (206) is connected to the connecting rubber membrane (205); The sealing unit (3) is located on the left and right sides of the cavity (201). The sealing unit (3) includes a sealing rubber membrane (301), a fixed plate (302), a movable plate (303), and a rubber support block (304). The sealing rubber membrane (301) is located on the left and right sides of the clamping plate (203) and the sealing rubber membrane (301) is connected to the clamping plates (203) located on different sides of the cavity (201). One end of the fixing plate (302) is hinged to a clamping plate (203). The fixing plate (302) is located behind the sealing rubber membrane (301). A groove (305) for accommodating the movable plate (303) is formed on the fixing plate (302). The movable plate (303) is located in the groove (305) and can move to form a sliding pair with the groove (305); The rubber support block (304) is located behind the fixing plate (302) and connected to any clamping plate (203).

2. The adaptive sheet metal straight edge banding system according to claim 1, characterized in that: It also includes a stabilizing unit (4), which includes a connecting plate (401), a connecting rod (402), and a roller (403). Bolts are used to fix the connecting plate (401) to the edge banding machine body (1) through the openings on the connecting plate (401); One end of the connecting rod (402) is connected to the connecting plate (401) to form a rotating pair, and the other end of the connecting rod (402) is provided with a roller (403).

3. The adaptive sheet metal straight edge banding system according to claim 2, characterized in that: The roller (403) has a raised edge (404) on its outer side. The cross section of the raised edge (404) is wedge-shaped. There are two connecting rods (402), and the connecting rods (402) are connected by a connecting spring (405).

4. An adaptive sheet metal straight edge banding system according to any one of claims 1-3, characterized in that: A limiting rod (209) is formed on the clamping plate (203). The limiting rod (209) vertically penetrates the cavity (201) and forms a vertical moving pair with the cavity (201). An anti-detachment plate (2010) is provided at the end of the limiting rod (209) and a reset spring (2011) is provided between the anti-detachment plate (2010) and the cavity (201).

5. An adaptive sheet metal straight edge banding system according to any one of claims 1-3, characterized in that: The surface of the clamping plate (203) is coated with polytetrafluoroethylene, and an electric heating rod (2012) is provided on the outside of the clamping plate (203).

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