Glue extruding device of thermoplastic warm edge spacing bar coating machine

Abstract

The glue extruding device comprises a front-section machine body and a rear-section machine body, supports are symmetrically arranged at the rear end of the rear-section machine body up and down, power units are arranged on the supports, a first glue cylinder and a second glue cylinder are symmetrically arranged in the front-section machine body up and down, and cylinder barrel pistons are slidably arranged in the first glue cylinder and the second glue cylinder respectively. The cylinder barrel piston penetrates through the rear-section machine body and is in transmission connection with the power unit, the first glue cylinder is communicated with the glue nozzle through a first glue changing valve, the second glue cylinder is communicated with the glue nozzle through a second glue changing valve, and the first glue cylinder and the second glue cylinder alternately supply glue to the glue nozzle arranged on the machine head. According to the glue extruding device of the thermoplastic warm edge spacing bar coating machine, the two glue cylinders are adopted to work alternately, the working efficiency is improved, the two glue cylinders can be replaced with each other, when one glue cylinder breaks down, normal work of the glue extruding device is not affected, and the working stability is improved.

Description

Technical Field

[0001] The present invention relates to the technical field of hollow glass manufacturing, and more particularly to a glue extruding device of a thermoplastic warm edge spacer coating machine. Background Art

[0002] In the glass processing industry, with the development of science and technology, the spacers in the middle of insulating glass have developed into thermoplastic spacers that are more excellent in all aspects. Thermoplastic spacers are recognized by everyone for their higher energy saving, stability and high efficiency. Thermoplastic warm edge spacer coating machines came into being. The function of the thermoplastic warm edge spacer coating machine is to heat and shape the solidified thermoplastic spacers into spacers of various sizes and shapes and attach them to the glass surface.

[0003] Patent document CN 117339827 A discloses a device for coating warm edge strips with butyl rubber. The device comprises a base; a workbench located on top of the base; a heat-insulating and heated glue-dispensing plate located at the left bottom of the workbench; and a glue-applying assembly located at the right top. The glue-applying assembly includes glue-applying devices located at the front and rear of the workbench; a synchronous conveying device is located on the workbench between the front and rear glue-applying devices; a hydraulic cylinder located at the bottom of the base; a glue injection hole located in the center of the bottom wall of the heat-insulating and heated glue-applying plate, and first and second glue-applying holes located on the side walls; a glue barrel connected to the glue injection hole for holding the butyl rubber; a push piston located within the glue barrel; a telescopic arm of the hydraulic cylinder connected to the push piston; the first glue-applying hole connected to the rear glue-applying device via a first rubber hose; and the second glue-applying hole connected to the front glue-applying device via a second rubber hose. The device has the advantages of uniform glue application, protection of the warm edge strip from damage, and strong adaptability. In the above technical solution, after the glue in the glue barrel is used up, the machine needs to be stopped to refill the glue barrel, which has low work efficiency. If the glue injection device fails, the machine needs to be stopped for maintenance, and the working stability is poor.

[0004] Therefore, it is necessary to propose a glue extrusion device for a thermoplastic warm edge spacer coating machine to solve the problems existing in the prior art. Summary of the Invention

[0005] The Summary of the Invention introduces a series of simplified concepts that will be further described in the Detailed Description of the Invention. The Summary of the Invention is not intended to limit the key features and essential features of the claimed technical solution, nor is it intended to determine the scope of protection of the claimed technical solution.

[0006] In order to solve the above problems, the present invention provides a glue extrusion device for a thermoplastic warm edge spacer coating machine, including a front-section body and a rear-section body, a bracket is symmetrically arranged up and down at the rear end of the rear-section body, a power unit is arranged on the bracket, a first glue cylinder and a second glue cylinder are symmetrically arranged up and down in the front-section body, cylinder pistons are respectively slidably arranged in the first glue cylinder and the second glue cylinder, the cylinder pistons pass through the rear-section body and are transmission connected to the power unit, the first glue cylinder is connected to the glue nozzle through a first glue changing valve, and the second glue cylinder is connected to the glue nozzle through a second glue changing valve, and the first glue cylinder and the second glue cylinder alternately supply glue to the glue nozzle arranged on the machine head.

[0007] Preferably, the power unit includes a driving motor fixedly mounted on a bracket, a driving sprocket fixedly connected to the power output shaft of the driving motor, a screw sprocket arranged on the bracket spaced apart from the driving motor, the driving sprocket and the screw sprocket are driven by a chain, the screw sprocket is threadedly connected to the screw, and the front end of the screw is fixedly connected to the rear end of the cylinder piston.

[0008] Preferably, a limiting linear slide rail is provided on the rear section of the machine body, a slider is provided on the outer circumference of the front end of the lead screw, and the slider is slidably arranged with the limiting linear slide rail.

[0009] Preferably, a heating element is fixedly provided on the outer side of the front section body.

[0010] Preferably, the front body is made of aluminum alloy.

[0011] Preferably, the first glue changing valve and the second glue changing valve are symmetrically arranged on the front section body in the upper and lower directions, and the first glue changing valve and the second glue changing valve both include valve bodies, and the valve bodies are slidably arranged in the glue changing valve hole horizontally opened on the front section body. The front section body also symmetrically opens a first glue channel, a glue inlet channel and a glue outlet channel, wherein one first glue channel connects the first glue cylinder and the glue changing valve hole corresponding to the first glue changing valve, and the other first glue channel connects the second glue cylinder and the glue changing valve hole corresponding to the second glue changing valve, the glue inlet channel connects the glue inlet and the glue changing valve hole, the glue outlet channel connects the glue changing valve hole and the glue outlet, and the glue outlet is connected to the glue nozzle.

[0012] Preferably, the valve body includes a core shaft and a first boss and a second boss spaced apart on the core shaft, and a glue inlet and outlet cavity is formed between the first boss and the second boss and the glue changing valve hole.

[0013] Preferably, the glue inlet is connected to the glue storage device through a glue inlet pipe.

[0014] Preferably, the machine head includes a machine head bracket and a rotating head, the glue nozzle is fixedly arranged on the rotating head, the rotating head is rotatably arranged on the machine head bracket, and the rear end of the rotating head is fixedly arranged on the front end of the front section machine body.

[0015] Preferably, the glue nozzle is communicated with the glue outlet through a glue outlet channel provided inside the rotating head.

[0016] Preferably, the glue outlet and the glue nozzle are arranged on the front end surface or the upper end surface of the front section body.

[0017] Compared with the prior art, the present invention has at least the following beneficial effects:

[0018] The glue extrusion device of the thermoplastic warm edge spacer coating machine described in the present invention adopts two glue cylinders to work alternately, thereby improving work efficiency. Each glue cylinder adopts independent power, and the two glue cylinders can serve as backup for each other. When one glue cylinder fails, it will not affect the normal operation of the glue extrusion device, thereby improving work stability. The glue is squeezed through the servo motor and the screw to achieve precise control of the glue amount, thereby avoiding the problems of high pump performance requirements and prone to machine failure requiring special maintenance caused by pump-type pressure direct supply.

[0019] The glue extrusion device of the thermoplastic warm edge spacer coater described in the present invention, other advantages, objectives and features of the present invention will be reflected in part through the following description, and in part will be understood by technical personnel in this field through research and practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0021] Figure 1 This is a schematic structural diagram of a glue extrusion device of a thermoplastic warm edge spacer coating machine disclosed in the present invention;

[0022] Figure 2 It is a schematic structural diagram of a front view and cross section of a glue extrusion device of a thermoplastic warm edge spacer coating machine disclosed in the present invention;

[0023] Figure 3 This is a schematic structural diagram of the position-limiting linear slide rail disclosed in the present invention;

[0024] Figure 4 It is a schematic structural diagram of a front cross-section of the glue outlet channel disclosed in the present invention;

[0025] Figure 5 It is a schematic structural diagram of a side cross-section of the glue inlet channel disclosed in the present invention;

[0026] Figure 6 It is a schematic structural diagram of a horizontal cross-section of the valve body disclosed in the present invention.

[0027] In the figure: 1. Front section of the machine body, 2. Rear section of the machine body, 3. Bracket, 4. First glue cylinder, 5. Second glue cylinder, 6. Cylinder piston, 7. First glue changing valve, 8. Second glue changing valve, 9. Glue nozzle, 11. Drive motor, 12. Drive sprocket, 13. Screw sprocket, 14. Chain, 15. Screw, 16. Limit linear guide rail, 17. Slider, 20. Valve body, 21. Glue changing valve hole, 22. First glue channel, 23. Glue inlet channel, 24. Glue outlet channel, 25. Glue inlet, 26. Glue outlet, 27. Mandrel, 28. First boss, 29. Second boss, 30. Inlet and outlet glue chamber, 33. Machine head bracket, 34. Rotating head, 35. Glue inlet pipe. DETAILED DESCRIPTION

[0028] The present invention will be further described in detail below with reference to the accompanying drawings and embodiments so that those skilled in the art can implement the invention with reference to the description.

[0029] It should be understood that terms such as “having”, “including” and “comprising” used herein do not preclude the existence or addition of one or more other elements or combinations thereof.

[0030] like Figure 1-2 As shown, the present invention provides a glue extrusion device for a thermoplastic warm edge spacer coating machine, comprising a front-section body 1 and a rear-section body 2, a bracket 3 is symmetrically arranged at the rear end of the rear-section body 2, a power unit is arranged on the bracket 3, a first glue cylinder 4 and a second glue cylinder 5 are symmetrically arranged at the front-section body 1, a cylinder piston 6 is slidably arranged in the first glue cylinder 4 and the second glue cylinder 5, respectively, the cylinder piston 6 passes through the rear-section body 2 and is transmission-connected to the power unit, the first glue cylinder 4 is connected to the glue nozzle 9 through a first glue changing valve 7, the second glue cylinder 5 is connected to the glue nozzle 9 through a second glue changing valve 8, and the first glue cylinder 4 and the second glue cylinder 5 alternately supply glue to the glue nozzle 9 arranged on the machine head.

[0031] The power unit includes a drive motor 11 fixedly mounted on a bracket 3, a drive sprocket 12 fixedly connected to the power output shaft of the drive motor 11, a screw sprocket 13 is arranged on the bracket 3 at intervals from the drive motor 11, the drive sprocket 12 and the screw sprocket 13 are driven by a chain 14, the screw sprocket 13 is threadedly connected to the screw 15, and the front end of the screw 15 is fixedly connected to the rear end of the cylinder piston 6.

[0032] The working principle of the above technical solution is as follows: the front section body 1 and the rear section body 2 are fixedly connected, the front section body 1 is fixedly connected to the front part of the rear section body 2, the end of the rear section body 2 away from the front section body 1 is the rear end of the rear section body, and the end of the front section body 1 away from the rear section body 2 is the front end of the front section body. The rear end of the rear section body 2 is symmetrically arranged with a bracket 3, and a power unit is arranged on the bracket 3. The first glue cylinder 4 and the second glue cylinder 5 are symmetrically arranged in the front section body 1, and the cylinder pistons 6 are respectively slidably arranged in the first glue cylinder 4 and the second glue cylinder 5. The cylinder piston 6 passes through the rear section body 2 and is transmission-connected to the power unit. The first glue cylinder 4 is connected to the glue nozzle 9 through the first glue changing valve 7, and the second glue cylinder 5 is connected to the glue nozzle 9 through the second glue changing valve 8. The first glue cylinder 4 and the second glue cylinder 5 alternately supply glue to the glue nozzle 9 arranged on the machine head. The cylinder pistons of the first glue cylinder 4 and the second glue cylinder 5 move back and forth alternately. This application uses the first glue cylinder 4 to illustrate how the glue moves in and out. When the cylinder piston moves toward the rear end of the front section body 1, the first glue changing valve 7 connects the first glue cylinder 4 with the glue inlet channel 23, and sucks the glue in the glue storage device into the first glue cylinder. When the cylinder piston moves to the rear end, it stops sucking glue, and then the cylinder piston moves toward the front end of the front section body. At this time, the first glue changing valve 7 connects the first glue cylinder 4 with the glue nozzle 9, and the cylinder piston 6 squeezes the glue in the first glue cylinder 4, and squeezes the glue out of the glue nozzle through the glue outlet channel.

[0033] The power unit includes a drive motor 11 fixedly mounted on a bracket 3, a drive sprocket 12 fixedly connected to the power output shaft of the drive motor 11, a screw sprocket 13 is arranged on the bracket 3 at intervals from the drive motor 11, the drive sprocket 12 and the screw sprocket 13 are driven by a chain 14, the screw sprocket 13 is threadedly connected to the screw 15, and the front end of the screw 15 is fixedly connected to the rear end of the cylinder piston 6.

[0034] Control the rotation of the drive motor, drive the sprocket 12 and the chain 14 to drive the screw sprocket 13 to rotate, the screw sprocket 13 is threadedly connected to the screw 15, the screw sprocket rotates forward and reverse to drive the screw 15 to move along the length direction of the rear section body 2, and the screw 15 drives the cylinder piston to move in the rubber cylinder.

[0035] The glue extrusion device of the thermoplastic warm edge spacer coating machine of the present invention adopts a double glue cylinder alternate glue supply method to reduce the risk of problems, and realizes precise control of glue amount by extruding glue through the linkage of servo motor and lead screw.

[0036] Beneficial effects of the above technical solution:

[0037] The glue extrusion device of the thermoplastic warm edge spacer coating machine described in the present invention adopts two glue cylinders to work alternately, thereby improving work efficiency. Each glue cylinder adopts independent power, and the two glue cylinders can serve as backup for each other. When one glue cylinder fails, it will not affect the normal operation of the glue extrusion device, thereby improving work stability. The glue is squeezed through the servo motor and the screw to achieve precise control of the glue amount, thereby avoiding the problems of high pump performance requirements and prone to machine failure requiring special maintenance caused by pump-type pressure direct supply.

[0038] In one embodiment, Figure 3 As shown, a limiting linear slide 16 is provided on the rear section of the machine body 2 , and a slider 17 is provided on the outer circumference of the front end of the lead screw 15 , and the slider 17 is slidably provided with the limiting linear slide 16 .

[0039] The working principle of the above technical solution is: a limiting linear slide 16 is set on the rear section of the machine body 2, and a slider 17 is set on the outer circumference of the front end of the screw 15. The slider 17 is slidingly set with the limiting linear slide 16. When the screw 15 moves, the slider 17 slides on the limiting linear slide 16.

[0040] The beneficial effects of the above technical solution are: a limiting linear slide 16 is set on the rear section of the machine body 2, and a slider 17 is set on the outer circumference of the front end of the screw 15. The slider 17 slides on the limiting linear slide 16, so that the screw remains stable during movement and prevents the screw from extending too long and swinging or sagging.

[0041] In one embodiment, a heating element 10 is fixedly disposed on the outer side of the front body 1 .

[0042] The working principle of the above technical solution is: a heating element 10 is fixedly set on the outside of the front section body 1, and the glue in the first glue cylinder and the second glue cylinder is heated by the front section body during the glue extrusion process. Multiple heating elements can be set, and can be symmetrically arranged on both sides of the front section body 1.

[0043] The heating element can be an electric heating rod, a heat exchanger or an electromagnetic heater.

[0044] The beneficial effects of the above technical solution are: heating the glue in the glue tank and the glue channel to make the glue reach the temperature required for the working state, so that the glue reaches a more suitable flow state, that is, it does not affect the flow of the glue, and after the glue is squeezed out, the glue can solidify faster.

[0045] In one embodiment, the front body 1 is made of aluminum alloy.

[0046] The working principle and beneficial effects of the above technical solution: The front-end body is made of aluminum alloy material, and the high thermal conductivity of aluminum alloy is utilized to quickly transfer the heat of the heating element to the glue in the glue tank and glue channel to heat the glue, which may save energy.

[0047] In one embodiment, Figure 4-5 As shown, the first glue changing valve 7 and the second glue changing valve 8 are symmetrically arranged on the front body 1 in the upper and lower parts. The first glue changing valve 7 and the second glue changing valve 8 both include a valve body 20. The valve body 20 is slidably arranged in a glue changing valve hole 21 horizontally opened on the front body 1. The front body 1 also symmetrically opens a first glue channel 22, a glue inlet channel 23 and a glue outlet channel 24, wherein one first glue channel 22 connects the first glue cylinder 4 and the glue changing valve hole 21 corresponding to the first glue changing valve 7, and the other first glue channel 22 connects the second glue cylinder 5 and the glue changing valve hole 21 corresponding to the second glue changing valve 8. The glue inlet channel 23 connects the glue inlet 25 and the glue changing valve hole 21, the glue outlet channel 24 connects the glue changing valve hole 21 and the glue outlet 26, and the glue outlet 26 is connected to the glue nozzle 9.

[0048] The valve body 20 includes a core shaft 27 and a first boss 28 and a second boss 29 spaced apart from each other on the core shaft 27 . A glue inlet and outlet cavity 30 is formed between the first boss 28 and the second boss 29 and the glue changing valve hole 21 .

[0049] The glue inlet 25 is connected to the glue storage device through the glue inlet pipe 35.

[0050] The working principle of the above technical solution is as follows: two symmetrically arranged glue changing valve holes 21 are opened on the front section body 1, and the valve bodies 20 of the first glue changing valve 7 and the second glue changing valve 8 are respectively slidably set in the two glue changing valve holes 21, and the front section body 1 also has a first glue channel 22, a glue inlet channel 23 and a glue outlet channel 24 symmetrically opened up and down. One first glue channel 22 connects the first glue cylinder 4 and the glue changing valve hole 21 corresponding to the first glue changing valve 7, and the other first glue channel 22 connects the second glue cylinder 5 and the glue changing valve hole 21 corresponding to the second glue changing valve 8. The glue inlet 23 connects the glue inlet 25 and the glue changing valve hole 21 respectively, and the glue inlet 25 is set in the middle of the front surface of the front section body 1. One of the two glue outlet channels 24 connects the glue changing valve hole 21 corresponding to the first glue changing valve 7 and the glue outlet 26, and the other connects the glue changing valve hole 21 corresponding to the second glue changing valve 8 and the glue outlet 26. The glue outlet 26 is opened on the front end surface of the front section body 1, and the glue outlet 26 is connected to the glue nozzle 9.

[0051] The valve body 20 includes a core shaft 27 and a first boss 28 and a second boss 29 spaced apart from each other on the core shaft 27 . A glue inlet and outlet cavity 30 is formed between the first boss 28 and the second boss 29 and the glue changing valve hole 21 .

[0052] The glue inlet 25 is connected to the glue storage device through the glue inlet pipe 35.

[0053] Overflow valves are respectively provided at the upper and lower ends of the glue inlet channel 23, and the two overflow valves are respectively connected to the glue storage device through a rubber hose.

[0054] The valve body 20 has two working positions, and is controlled by the solenoid valve to keep the valve body 20 in the two working positions respectively. The action of the solenoid valve to control the valve body is a prior art and will not be described in detail here. One working position of the valve body 20 of the first glue changing valve 7 is as follows: Figure 6 As shown, when the right edge of the inlet and outlet glue chamber 30 of the valve body 20 is tangent to the right edge of the first glue channel 22, it is the first working position of the valve body 20 of the first glue changing valve 7, and the inlet and outlet glue chamber 30 is connected to the first glue channel 22 and the glue outlet channel 24. At this time, the cylinder piston 6 moves toward the front end of the front section body 1 under the drive of the screw 15, and the cylinder piston squeezes the glue in the first glue cylinder 4 through the first glue channel 22, the inlet and outlet glue chamber 30 and the glue outlet channel 24, and squeezes the glue out of the glue nozzle 9. At this time, the second glue changing valve 7 The valve body 20 of valve 8 is in the second working position. In the second working position, the left edge of the inlet and outlet glue chamber 30 is tangent to the left edge of the first glue channel 22. The inlet and outlet glue chamber 30 is connected to the first glue channel 22 of the second glue cylinder 5, and the inlet and outlet glue chamber 30 is connected to the glue inlet channel 23. At this time, the cylinder piston 6 of the second glue cylinder 5 moves away from the front end of the front section body 1, and the second glue cylinder 5 draws glue from the glue storage device through the glue inlet channel 23, the inlet and outlet glue chamber 30, and the first glue channel 22. The cylinder pistons of the first glue cylinder 4 and the second glue cylinder 5 move alternately, and the valve bodies 20 of the first glue changing valve 7 and the second glue changing valve 8 also alternate between the first working position and the second working position. The first glue cylinder 4 and the second glue cylinder 5 alternately complete the glue drawing and squeezing actions, and alternately supply glue to the glue nozzle 9. The beneficial effects of the above technical solution include: a valve body including a core shaft and first and second bosses spaced apart on the core shaft, the valve body slides within the glue changing valve hole, the glue changing valve body has a simple structure, is not prone to damage or malfunction, and is easy to operate.

[0055] In one embodiment, the machine head includes a machine head bracket 33 and a rotating head 34 . The nozzle 9 is fixedly mounted on the rotating head 34 . The rotating head 34 is rotatably mounted on the machine head bracket 33 . The rear end of the rotating head 34 is fixedly mounted on the front end of the front body 1 .

[0056] The glue nozzle 9 is connected to the glue outlet 26 through a glue outlet channel provided inside the rotary head.

[0057] The working principle of the above technical solution is as follows: the machine head includes a machine head bracket 33 and a rotating head 34, the glue nozzle 9 is fixedly set on the rotating head 34, the rotating head 34 is rotatably set on the machine head bracket 33, the rear end of the rotating head 34 is fixedly set at the front end of the front section machine body 1, and the glue nozzle 9 is connected to the glue outlet 26 through the glue outlet channel set inside the rotating head 34.

[0058] The beneficial effects of the above technical solution are as follows: the rotating head can drive the glue nozzle to rotate, so that the glue nozzle 9 can align with both the horizontal and vertical edges of the double-layer glass, and can perform glue extrusion operations on all sides of the double layer, thereby improving work efficiency.

[0059] In one embodiment, the glue outlet 26 and the glue nozzle 9 are disposed on the front end surface or the upper end surface of the front section body 1 .

[0060] The working principle of the above technical solution is as follows: the glue outlet 26 and the glue nozzle 9 are arranged on the front end surface or the upper end surface of the front section body 1, and the glue extrusion method can be horizontal or vertical, so that the glue extrusion device can work in a horizontal position or a vertical position, thereby improving the practicality of the glue extrusion device.

[0061] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like to indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as limiting the present invention.

[0062] In the present invention, unless otherwise specified or limited, the terms "installed," "connected," "connect," "fixed," etc. should be understood in a broad sense. For example, they can refer to fixed connection, detachable connection, or integration; mechanical connection, electrical connection, or communication; direct connection or indirect connection through an intermediate medium; internal communication between two elements or interaction between two elements, unless otherwise specified. Those skilled in the art will understand the specific meanings of the above terms in the present invention based on specific circumstances.

[0063] Although the embodiments of the present invention have been disclosed above, they are not limited to the applications listed in the description and implementation methods. They can be fully applied to various fields suitable for the present invention. For those familiar with the art, additional modifications can be easily implemented. Therefore, without departing from the general concept defined by the claims and the scope of equivalents, the present invention is not limited to the specific details and illustrations shown and described herein.

Claims

1. A glue extrusion device for a thermoplastic warm edge spacer coating machine, characterized in that: The invention comprises a front section machine body (1) and a rear section machine body (2), a bracket (3) is symmetrically arranged at the rear end of the rear section machine body (2), a power unit is arranged on the bracket (3), a first glue cylinder (4) and a second glue cylinder (5) are symmetrically arranged at the front section machine body (1), a cylinder piston (6) is slidably arranged in the first glue cylinder (4) and the second glue cylinder (5), the cylinder piston (6) passes through the rear section machine body (2) and is transmission-connected with the power unit, the first glue cylinder (4) is connected to the glue nozzle (9) through a first glue changing valve (7), the second glue cylinder (5) is connected to the glue nozzle (9) through a second glue changing valve (8), and the first glue cylinder (4) and the second glue cylinder (5) alternately supply glue to the glue nozzle (9) arranged on the machine head.

2. The glue extrusion device of the thermoplastic warm edge spacer coating machine according to claim 1, characterized in that: The power unit comprises a driving motor (11) fixedly arranged on a bracket (3); a driving sprocket (12) is fixedly connected to a power output shaft of the driving motor (11); a screw sprocket (13) is arranged on the bracket (3) at a distance from the driving motor (11); the driving sprocket (12) and the screw sprocket (13) are driven by a chain (14); the screw sprocket (13) is threadedly connected to a screw (15); and the front end of the screw (15) is fixedly connected to the rear end of a cylinder piston (6).

3. The glue extrusion device of the thermoplastic warm edge spacer coating machine according to claim 2, characterized in that: A limiting linear slide rail (16) is provided on the rear section machine body (2), a slider (17) is provided on the outer circumference of the front end of the lead screw (15), and the slider (17) and the limiting linear slide rail (16) are slidably provided.

4. The glue extrusion device of the thermoplastic warm edge spacer coating machine according to claim 3, characterized in that: A heating element (10) is fixedly arranged on the outer side of the front section machine body (1).

5. The glue extrusion device of the thermoplastic warm edge spacer coating machine according to claim 4, characterized in that: The front body (1) is made of aluminum alloy material.

6. The glue extrusion device of the thermoplastic warm edge spacer coating machine according to claim 2, characterized in that: The first glue changing valve (7) and the second glue changing valve (8) are symmetrically arranged on the front section body (1) in the upper and lower directions. The first glue changing valve (7) and the second glue changing valve (8) both include a valve body (20). The valve body (20) is slidably arranged in a glue changing valve hole (21) horizontally opened on the front section body (1). The front section body (1) is also symmetrically opened with a first glue channel (22), a glue inlet channel (23) and a glue outlet channel (24). Among them, one first glue channel (22) is connected to the first glue cylinder (4) and the glue changing valve hole (21) corresponding to the first glue changing valve (7), and the other first glue channel (22) is connected to the second glue cylinder (5) and the glue changing valve hole (21) corresponding to the second glue changing valve (8). The glue inlet channel (23) is connected to the glue inlet port (25) and the glue changing valve hole (21). The glue outlet channel (24) is connected to the glue changing valve hole (21) and the glue outlet (26). The glue outlet (26) is connected to the glue nozzle (9).

7. The glue extrusion device of the thermoplastic warm edge spacer coating machine according to claim 6, characterized in that: The valve body (20) comprises a core shaft (27) and a first boss (28) and a second boss (29) arranged at intervals on the core shaft (27); a glue inlet and outlet cavity (30) is formed between the first boss (28), the second boss (29) and the glue changing valve hole (21).

8. The glue extrusion device of the thermoplastic warm edge spacer coating machine according to claim 7, characterized in that: The glue inlet (25) is communicated with the glue storage device through a glue inlet pipe (35).

9. The glue extrusion device of the thermoplastic warm edge spacer coating machine according to claim 8, characterized in that: The machine head includes a machine head bracket (33) and a rotating head (34), the glue nozzle (9) is fixedly arranged on the rotating head (34), the rotating head (34) is rotatably arranged on the machine head bracket (33), and the rear end of the rotating head (34) is fixedly arranged on the front end of the front section machine body (1); The glue nozzle (9) is communicated with the glue outlet (26) through a glue outlet channel arranged inside the rotating head (34).

10. The glue extrusion device of the thermoplastic warm edge spacer coating machine according to claim 9, characterized in that: The glue outlet (26) and the glue nozzle (9) are arranged on the front end surface or the upper end surface of the front section machine body (1).

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