Automatic coating equipment for air compressor cylinder cover plug

Abstract

The utility model relates to the technical field of assembly equipment, in particular to air compressor cylinder cover plug automatic coating equipment which comprises an upper plug gluing assembly part structure which is arranged on a frame body and corresponds to an upper plug hole of a clamped air compressor cylinder cover on a clamp device. The upper plug gluing assembly part structure comprises a support which is vertically arranged upwards, a supporting plate which is vertically arranged is arranged on the inner side of the support, and a supporting plate vertical movement control part structure is arranged between the supporting plate and the support and can control the vertical position of the supporting plate. Vertically-arranged long-strip-shaped plates are installed on the two sides of the supporting plate respectively, supports are arranged on the inner sides of the long-strip-shaped plates respectively, support vertical movement control structures are arranged between the supports and the long-strip-shaped plates respectively and can control the vertical positions of the supports, and installation bases are arranged on the supports; the gluing device has the characteristics that the structural design is simple and reasonable, the gluing and assembling efficiency can be better improved, and the gluing is more uniform and reliable.

Description

Technical Field

[0001] This utility model relates to the field of assembly equipment technology, and in particular to an automatic coating equipment for air compressor cylinder head plugs. Background Technology

[0002] like Figure 1 The diagram shows an air compressor cylinder head structure. During its assembly and manufacturing, side screw plugs and top screw plugs need to be installed in the side screw plug hole 1 on one side of the air compressor cylinder head and in the two top screw plug holes 2 on the upper side. When assembling the side screw plugs and top screw plugs, adhesive film needs to be applied to them to ensure the reliability of the side screw plugs and top screw plugs.

[0003] In existing technologies, to save manpower and reduce workload, equipment is typically used to apply adhesive to the side and top screw plugs and complete the assembly. In existing equipment structures, a clamping device is usually installed on the equipment frame to form a clamping station for holding the air compressor cylinder head; on the frame, corresponding to the side and top screw plug holes of the air compressor cylinder head, respectively, are provided side screw plug adhesive application and assembly structures, each completing the adhesive application and assembly of the side and top screw plugs.

[0004] However, the existing equipment has the following drawbacks: 1. The structural design is not reasonable enough, which makes the operation steps not simple enough when completing the gluing and assembly operations, resulting in low gluing and assembly efficiency; 2. When gluing the side plugs and top plugs, the gluing is not uniform enough, which affects the reliability of the side plugs and top plugs.

[0005] Therefore, how to provide an automatic coating equipment for air compressor cylinder head plugs with a simple and reasonable structural design that can improve the efficiency of gluing and assembly and make the gluing more uniform and reliable has become a technical problem to be solved by those skilled in the art. Utility Model Content

[0006] In view of the above-mentioned deficiencies of the prior art, the technical problem to be solved by this utility model is how to provide an automatic coating equipment for air compressor cylinder head plugs that has a simple and reasonable structural design, can better improve the efficiency of gluing and assembly, and can make the gluing more uniform and reliable.

[0007] To achieve the above objectives, this utility model provides an automatic coating equipment for air compressor cylinder head plugs, including an upper plug gluing assembly structure on a frame and corresponding to the upper plug holes of the air compressor cylinder head clamped on a clamping device; characterized in that: the upper plug gluing assembly structure includes a vertically upward-arranged support, a vertically arranged support plate arranged inside the support, and a vertical movement control structure for the support plate between the support plate and the support, capable of controlling the vertical position of the support plate; vertically arranged long strips are installed on both sides of the support plate, and supports are arranged inside the long strips, with vertical movement control structures for the supports between the supports and the long strips. The structure can control the vertical position of the support. A mounting base is provided on the support, and an upper screw plug assembly mechanism is provided on the mounting base. The upper screw plug assembly mechanism includes an upper screw plug assembly rod at the lower end, and the lower end of the upper screw plug assembly rod can match the internal hexagonal hole of the upper screw plug head. The upper screw plug assembly mechanism also includes a rotation drive structure at the upper end, which can drive the upper screw plug assembly rod to rotate. A dispensing cylinder is also inclinedly provided above the upper screw plug assembly rod. A dispensing cylinder movement control structure is provided between the dispensing cylinder and the long strip plate, which can drive the dispensing cylinder to move downwards at an incline, so that the working end of the dispensing cylinder can contact the outer peripheral surface of the upper screw plug at the lower end of the upper screw plug assembly rod.

[0008] Thus, in the aforementioned automatic coating equipment for air compressor cylinder head plugs, the upper plug gluing assembly structure, during operation, involves the upper plug assembly rod being inserted into the internal hexagonal hole on the upper plug head (the upper plug assembly rod can be secured using magnetic attraction or negative pressure, common in existing technologies, to prevent the upper plug from falling off). The vertical movement control structure of the support plate, the vertical movement control structure of the support, and the movement control structure of the dispensing cylinder work together to ensure that the upper plug on the assembly rod contacts the lower end of the dispensing cylinder. Then, the rotation drive structure of the upper plug assembly mechanism drives the upper plug assembly rod and the upper plug to rotate. The device moves and evenly applies glue to the outer circumference of the upper screw plug. Then, the glue dispensing cylinder movement control structure moves the glue dispensing cylinder back. The vertical movement control structure of the support plate and the vertical movement control structure of the support work together to move the upper screw plug assembly rod and the upper screw plug toward the upper screw plug hole in the air compressor cylinder head. The rotation drive structure drives the upper screw plug assembly rod to rotate, simultaneously engaging the upper screw plug thread in the upper screw plug hole. At the same time, the vertical movement control structure of the support controls the upper screw plug assembly rod to move downwards, ensuring that the upper screw plug assembly rod always maintains engagement with the internal hexagonal hole of the upper screw plug head. After assembly, the upper screw plug assembly rod is then controlled to move upwards. This device, during assembly, can better assemble the upper screw plug thread into the upper screw plug hole, and the glue application is more uniform. The angled setting between the glue dispensing cylinder and the upper screw plug further facilitates uniform glue application. Furthermore, the entire assembly operation is simpler and more efficient, improving the efficiency of glue application and assembly. Finally, two sets of structures are used to control the vertical position of the screw plug assembly rod. The two sets of structures have different accuracy in vertical movement. One set achieves vertical control with a large spacing, while the other set achieves vertical movement during thread assembly. The whole design is more reasonable.

[0009] As an optimization, the vertical movement control section of the support plate includes a pair of vertically arranged guide rails mounted on the bracket. A pad is provided on one side of the support plate, and vertical guide blocks are provided on the pad corresponding to each vertical guide rail in pairs. The vertical guide blocks are provided with guide grooves and cooperate with the vertical guide rails. A vertically arranged drive screw is provided between the two vertical guide rails. A drive nut is provided on the pad and threadedly engages with the drive screw. A screw mounting seat is provided on the bracket at each end corresponding to the drive screw, and the two ends of the drive screw are rotatably mounted on the screw mounting seat. A drive motor is mounted on the upper end of the bracket via a mounting plate, and the drive motor is connected to the drive screw for transmission.

[0010] In this way, the vertical movement control section of the support plate adopts a vertical guide rail mechanism for guidance and a screw and nut mechanism for drive, making the overall structural design simpler and more reasonable, and the operation more stable and reliable.

[0011] As an optimization, the support vertical movement control structure includes a support vertical guide structure and a support vertical movement drive structure disposed between the support and the long strip plate.

[0012] In this way, the design of the vertical movement control structure of the support is simpler and more reasonable, and the layout design is more convenient.

[0013] Furthermore, the vertical guiding structure of the support is realized by a guide rail mechanism, and the vertical movement drive structure of the support is realized by a servo motor driving a lead screw and nut.

[0014] As an optimization, a fixing plate is installed and fixed on each side of the support plate, and the long strip plate is installed on the inner side of the fixing plate.

[0015] In this way, by designing a fixing plate, it is easier to install and arrange long strips.

[0016] As an optimization, the dispensing cylinder movement control structure includes a fixing block that is fixed to the outer end of a fixing plate and extends outward. A fixing support plate that extends inward is integrally formed on the inner side of the fixing block. The lower side of the fixing support plate is inclined inward so that the outer surface of the fixing support plate forms an inclined mounting surface. A guide mounting block that is inclined as a whole is mounted on the mounting surface. Two guide holes are provided through the guide mounting block and guide rods are provided in cooperation. An inclined plate is installed at the lower end of the two guide rods. The dispensing cylinder is mounted on the inclined plate through a mounting bracket plate. A driving cylinder is provided at the upper end of the guide mounting block. The piston rod end of the driving cylinder passes through a clearance hole on the guide mounting block and is connected to the inclined plate.

[0017] In this way, the dispensing tube movement control structure is simpler and more reasonable, which can better drive the dispensing tube to tilt downwards, so that the dispensing tube can better contact the upper screw plug and make the glue application more uniform.

[0018] As an optimization, the mounting bracket includes a vertically arranged bracket body, with each end of the bracket body bent to form an upper mounting section and a lower mounting section, and the bracket body, the upper mounting section and the lower mounting section are U-shaped as a whole. The upper mounting section and the lower mounting section are each provided with an upper mounting hole and a lower mounting hole, and the upper and lower ends of the dispensing tube are respectively inserted into the upper mounting hole and the lower mounting hole.

[0019] In this way, the structural design of the mounting bracket makes it easier to install and arrange the dispensing cartridges.

[0020] As an optimization, the rotation drive section includes a rotation drive motor, and the rotation output shaft of the rotation drive motor is connected to the upper screw plug assembly rod via a transmission connection.

[0021] In this way, using a motor for driving makes it easier to control the speed of the upper screw plug assembly rod and the upper screw plug, which is more conducive to applying adhesive.

[0022] As an optimization, the frame includes a horizontally arranged support plate, a horizontally arranged clamp seat plate is provided on the support plate, and the clamping device is provided on the clamp seat plate; a clamp seat plate lateral movement control structure is provided between the clamp seat plate and the support plate and can drive the clamp seat plate to move laterally.

[0023] In this way, by setting a fixture base plate and setting a fixture base plate lateral movement control structure between the fixture base plate and the support plate, it is easier to control the lateral position of the fixture device, and it is easier to operate to remove the air compressor cylinder head and clamp the air compressor cylinder head to be processed onto the fixture device.

[0024] As an optimization, the lateral movement control structure of the fixture base plate includes a lateral plate mounted on the support plate, lateral guide rails on both sides above the lateral plate, and lateral guide blocks below the fixture base plate corresponding to the lateral guide rails. The lateral guide blocks have lateral guide grooves that cooperate with the lateral guide rails. A laterally arranged lateral lead screw is arranged between the two lateral guide rails. The lateral lead screw cooperates with a nut below the fixture base plate, and both ends of the lateral lead screw are mounted on the lateral plate through lead screw seats. A drive motor is mounted at one end of the lateral plate, and the drive motor is connected to the lateral lead screw.

[0025] In this way, the design of the lateral movement control structure of the fixture base plate is simpler, more reasonable, and easier to lay out.

[0026] In summary, the above-mentioned automatic coating equipment for air compressor cylinder head plugs has the characteristics of simple and reasonable structural design, which can better improve the efficiency of glue application and assembly, and make the glue application more uniform and reliable. Attached Figure Description

[0027] Figure 1 This is a structural schematic diagram of the air compressor cylinder head.

[0028] Figure 2 This is a structural schematic diagram of the automatic coating equipment for air compressor cylinder head plugs in a specific embodiment of this utility model.

[0029] Figure 3 yes Figure 2 A schematic diagram of the structure after rotation by one angle.

[0030] Figure 4 yes Figure 2 The diagram shows the structure of the upper screw plug adhesive application assembly and the fixture device.

[0031] Figure 5 yes Figure 4 A schematic diagram of the structure after rotation by one angle.

[0032] Figure 6 yes Figure 5 A magnified view of position A in the diagram.

[0033] Figure 7 yes Figure 2 A schematic diagram of the upper screw plug adhesive assembly structure.

[0034] Figure 8 yes Figure 7 A schematic diagram of the structure after rotation by one angle.

[0035] Figure 9 yes Figure 7 A schematic diagram of one of the upper screw plug assembly rod parts.

[0036] Figure 10 yes Figure 9 A schematic diagram of the structure after rotation by one angle.

[0037] Figure 11 yes Figure 10 A magnified view of position B in the diagram. Detailed Implementation

[0038] The present invention will be further described below with reference to the accompanying drawings and embodiments. It should be noted that in the description of the present invention, terms such as "upper," "lower," "left," "right," "inner," and "outer" indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. These terms are used only for the convenience of describing the present invention and for simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific manner. Therefore, they should not be construed as limitations on the present invention. Terms such as "first," "second," and "third" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0039] like Figures 1 to 11As shown, an automatic coating equipment for air compressor cylinder head plugs includes an upper plug gluing assembly structure 6 on a frame 3, which is provided with upper plug holes on a clamping device 4 that hold the air compressor cylinder head 5. The upper plug gluing assembly structure includes a vertically arranged support 7, a vertically arranged support plate 8 on the inner side of the support, and a vertical movement control structure between the support plate and the support to control the vertical position of the support plate. Vertically arranged long strips 9 are installed on both sides of the support plate, and supports 10 are provided on the inner side of each long strip. Vertical movement control structures between the supports and the long strips are provided to control the support. In a vertical position, a mounting base 11 is provided on the support, and an upper screw plug assembly mechanism 12 is provided on the mounting base. The upper screw plug assembly mechanism includes an upper screw plug assembly rod 13 at the lower end, and the lower end of the upper screw plug assembly rod can match the internal hexagonal hole of the upper screw plug head. The upper screw plug assembly mechanism also includes a rotation drive part structure at the upper end, which can drive the upper screw plug assembly rod to rotate. A dispensing cylinder 14 is also inclinedly provided above the upper screw plug assembly rod. A dispensing cylinder movement control structure is provided between the dispensing cylinder and the long strip plate, which can drive the dispensing cylinder to move downwards at an incline, so that the working end of the dispensing cylinder can contact the outer peripheral surface of the upper screw plug at the lower end of the upper screw plug assembly rod.

[0040] Thus, in the aforementioned automatic coating equipment for air compressor cylinder head plugs, the upper plug gluing assembly structure, during operation, involves the upper plug assembly rod being inserted into the internal hexagonal hole on the upper plug head (the upper plug assembly rod can be secured using magnetic attraction or negative pressure, common in existing technologies, to prevent the upper plug from falling off). The vertical movement control structure of the support plate, the vertical movement control structure of the support, and the movement control structure of the dispensing cylinder work together to ensure that the upper plug on the assembly rod contacts the lower end of the dispensing cylinder. Then, the rotation drive structure of the upper plug assembly mechanism drives the upper plug assembly rod and the upper plug to rotate. The device moves and evenly applies glue to the outer circumference of the upper screw plug. Then, the glue dispensing cylinder movement control structure moves the glue dispensing cylinder back. The vertical movement control structure of the support plate and the vertical movement control structure of the support work together to move the upper screw plug assembly rod and the upper screw plug toward the upper screw plug hole in the air compressor cylinder head. The rotation drive structure drives the upper screw plug assembly rod to rotate, simultaneously engaging the upper screw plug thread in the upper screw plug hole. At the same time, the vertical movement control structure of the support controls the upper screw plug assembly rod to move downwards, ensuring that the upper screw plug assembly rod always maintains engagement with the internal hexagonal hole of the upper screw plug head. After assembly, the upper screw plug assembly rod is then controlled to move upwards. This device, during assembly, can better assemble the upper screw plug thread into the upper screw plug hole, and the glue application is more uniform. The angled setting between the glue dispensing cylinder and the upper screw plug further facilitates uniform glue application. Furthermore, the entire assembly operation is simpler and more efficient, improving the efficiency of glue application and assembly. Finally, two sets of structures are used to control the vertical position of the screw plug assembly rod. The two sets of structures have different accuracy in vertical movement. One set achieves vertical control with a large spacing, while the other set achieves vertical movement during thread assembly. The whole design is more reasonable.

[0041] In this specific embodiment, the vertical movement control section of the support plate includes a pair of vertical guide rails 15 arranged vertically on the bracket. A pad 16 is provided on one side of the support plate, and vertical guide blocks 17 are provided on the pad and corresponding to each vertical guide rail in pairs. The vertical guide blocks are provided with guide grooves and cooperate with the vertical guide rails. A vertically arranged drive screw 18 is provided between the two vertical guide rails. A drive nut is provided on the pad and threadedly engaged with the drive screw. Screw mounting seats 19 are provided on the bracket and corresponding to both ends of the drive screw, so that both ends of the drive screw are rotatably mounted on the screw mounting seats. A drive motor 20 is mounted on the upper end of the bracket through a mounting plate, and the drive motor is connected to the drive screw in a transmission manner.

[0042] In this way, the vertical movement control section of the support plate adopts a vertical guide rail mechanism for guidance and a screw and nut mechanism for drive, making the overall structural design simpler and more reasonable, and the operation more stable and reliable.

[0043] In this specific embodiment, the support vertical movement control structure includes a support vertical guide structure and a support vertical movement drive structure disposed between the support and the long strip plate.

[0044] In this way, the design of the vertical movement control structure of the support is simpler and more reasonable, and the layout design is more convenient.

[0045] Furthermore, the vertical guiding structure of the support is realized by a guide rail mechanism, and the vertical movement drive structure of the support is realized by a servo motor driving a lead screw and nut.

[0046] In this specific embodiment, a fixing plate 21 is installed and fixed on each side of the support plate, and the long strip plate is installed on the inner side of the fixing plate.

[0047] In this way, by designing a fixing plate, it is easier to install and arrange long strips.

[0048] In this specific embodiment, the dispensing cylinder movement control structure includes a fixing block 22 that is fixed to the outer end of a fixing plate and extends outward. A fixing support plate 23 that extends inward is integrally formed on the inner side of the fixing block. The lower side of the fixing support plate is inclined inward so that the outer surface of the fixing support plate forms an inclined mounting surface. A guide mounting block 24 that is inclined as a whole is mounted on the mounting surface. Two guide holes are provided through the guide mounting block and guide rods 25 are provided in cooperation. An inclined plate 26 is installed at the lower end of the two guide rods. The dispensing cylinder is mounted on the inclined plate through a mounting bracket plate 27. A drive cylinder 28 is provided at the upper end of the guide mounting block. The piston rod end of the drive cylinder passes through a clearance hole on the guide mounting block and is connected to the inclined plate.

[0049] In this way, the dispensing tube movement control structure is simpler and more reasonable, which can better drive the dispensing tube to tilt downwards, so that the dispensing tube can better contact the upper screw plug and make the glue application more uniform.

[0050] In this specific embodiment, the mounting bracket plate includes a vertically arranged bracket plate body 29. The two ends of the bracket plate body are bent to form an upper mounting section 30 and a lower mounting section 31, and the bracket plate body, the upper mounting section and the lower mounting section are U-shaped as a whole. The upper mounting section and the lower mounting section are each provided with an upper mounting hole and a lower mounting hole, and the upper and lower ends of the dispensing tube are respectively inserted into the upper mounting hole and the lower mounting hole.

[0051] In this way, the structural design of the mounting bracket makes it easier to install and arrange the dispensing cartridges.

[0052] In this specific embodiment, the rotation drive part structure includes a rotation drive motor 32, and the rotation output shaft of the rotation drive motor is connected to the upper screw plug assembly rod for transmission.

[0053] In this way, using a motor for driving makes it easier to control the speed of the upper screw plug assembly rod and the upper screw plug, which is more conducive to applying adhesive.

[0054] In this specific embodiment, the frame includes a horizontally arranged support plate 33, a horizontally arranged clamp seat plate 34 is provided on the support plate, and the clamp device is provided on the clamp seat plate; a clamp seat plate lateral movement control structure is provided between the clamp seat plate and the support plate and can drive the clamp seat plate to move laterally.

[0055] In this way, by setting a fixture base plate and setting a fixture base plate lateral movement control structure between the fixture base plate and the support plate, it is easier to control the lateral position of the fixture device, and it is easier to operate to remove the air compressor cylinder head and clamp the air compressor cylinder head to be processed onto the fixture device.

[0056] In this specific embodiment, the lateral movement control structure of the fixture base plate includes a lateral plate 35 disposed on a support plate, lateral guide rails 36 disposed on both sides above the lateral plate, and lateral guide blocks 37 disposed below the fixture base plate and corresponding to the lateral guide rails. The lateral guide blocks are provided with lateral guide grooves and cooperate with the lateral guide rails. A lateral lead screw 38 is disposed between the two lateral guide rails. The lateral lead screw cooperates with the nut below the fixture base plate, and both ends of the lateral lead screw are mounted on the lateral plate through lead screw seats. A drive motor device 39 is disposed at one end of the lateral plate and is connected to the lateral lead screw in a transmission manner.

[0057] In this way, the design of the lateral movement control structure of the fixture base plate is simpler, more reasonable, and easier to lay out.

[0058] Specifically, the side screw plug adhesive assembly section adopts a similar structure to the top screw plug adhesive assembly section, only the layout direction is different, which will not be described in detail here.

[0059] In summary, the above-mentioned automatic coating equipment for air compressor cylinder head plugs has the characteristics of simple and reasonable structural design, which can better improve the efficiency of glue application and assembly, and make the glue application more uniform and reliable.

[0060] The preferred embodiments of this utility model have been described in detail above. It should be understood that those skilled in the art can make numerous modifications and variations based on the concept of this utility model without creative effort. Therefore, all technical solutions that can be obtained by those skilled in the art based on the concept of this utility model through logical analysis, reasoning, or limited experimentation on the basis of existing technology should be within the scope of protection defined by the claims.

Claims

1. An automatic coating equipment for air compressor cylinder head plugs, comprising an upper plug gluing assembly structure on a frame and corresponding to the upper plug hole of the air compressor cylinder head clamped by a clamping device; characterized in that... ； The upper screw plug adhesive application assembly structure includes a vertically upward-arranged bracket, with a vertical support plate inside the bracket and a vertical movement control structure between the support plate and the bracket; vertical strip plates are installed on both sides of the support plate, with supports inside each strip plate and vertical movement control structures between the supports and the strip plates; mounting seats are provided on the supports, and upper screw plug assembly mechanisms are provided on the mounting seats. The upper screw plug assembly mechanism includes an upper screw plug assembly rod at the lower end, and the lower end of the upper screw plug assembly rod can match the internal hexagonal hole of the upper screw plug head; it also includes a rotation drive structure at the upper end that can drive the upper screw plug assembly rod to rotate; an adhesive dispensing cylinder is also inclined above the upper screw plug assembly rod, and an adhesive dispensing cylinder movement control structure is provided between the adhesive dispensing cylinder and the strip plate that can drive the adhesive dispensing cylinder to move inclined downward, so that the working end of the adhesive dispensing cylinder can contact the outer circumferential surface of the upper screw plug at the lower end of the upper screw plug assembly rod.

2. The automatic coating equipment for air compressor cylinder head plugs as described in claim 1, characterized in that... ； The vertical movement control section of the support plate includes a pair of vertically arranged guide rails mounted on a bracket. A pad is provided on one side of the support plate, and vertical guide blocks are provided on the pad, each corresponding to a vertical guide rail. The vertical guide blocks have guide grooves and engage with the vertical guide rails. A vertically arranged drive screw is provided between the two vertical guide rails. A drive nut is provided on the pad and threadedly engages with the drive screw. Screw mounting seats are provided on the bracket, each corresponding to one end of the drive screw, allowing the two ends of the drive screw to be rotatably mounted on the screw mounting seats. A drive motor is mounted on the upper end of the bracket via a mounting plate, and the drive motor is connected to the drive screw for transmission.

3. The automatic coating equipment for air compressor cylinder head plugs as described in claim 1, characterized in that... ； The support vertical movement control structure includes a support vertical guide structure and a support vertical movement drive structure disposed between the support and the long strip plate.

4. The automatic coating equipment for air compressor cylinder head plugs as described in claim 1, characterized in that... A fixing plate is installed on each side of the support plate, and the long strip plate is installed on the inner side of the fixing plate.

5. The automatic coating equipment for air compressor cylinder head plugs as described in claim 4, characterized in that; The dispensing cylinder movement control structure includes a fixing block that is fixed to the outer end of a fixing plate and extends outward. An inwardly extending fixing support plate is integrally formed on the inner side of the fixing block. The lower side of the fixing support plate is inclined inward so that the outer surface of the fixing support plate forms an inclined mounting surface. A guide mounting block that is inclined as a whole is mounted on the mounting surface. The guide mounting block has two guide holes and guide rods. An inclined plate is installed at the lower end of the two guide rods. The dispensing cylinder is mounted on the inclined plate through a mounting bracket plate. A drive cylinder is provided at the upper end of the guide mounting block. The piston rod end of the drive cylinder passes through a clearance hole on the guide mounting block and is connected to the inclined plate.

6. The automatic coating equipment for air compressor cylinder head plugs as described in claim 5, characterized in that; The mounting bracket plate includes a vertically arranged bracket plate body. The two ends of the bracket plate body are bent to form an upper mounting section and a lower mounting section, so that the bracket plate body, the upper mounting section and the lower mounting section are U-shaped. The upper mounting section and the lower mounting section are each provided with an upper mounting hole and a lower mounting hole, and the upper and lower ends of the dispensing tube are respectively inserted into the upper mounting hole and the lower mounting hole.

7. The automatic coating equipment for air compressor cylinder head plugs as described in claim 1, characterized in that; The rotation drive section includes a rotation drive motor, and the rotation output shaft of the rotation drive motor is connected to the upper screw plug assembly rod for transmission.

8. The automatic coating equipment for air compressor cylinder head plugs as described in claim 1, characterized in that; The frame includes a horizontally arranged support plate, a horizontally arranged clamp seat plate on the support plate, and the clamping device on the clamp seat plate; a clamp seat plate lateral movement control structure is provided between the clamp seat plate and the support plate and can drive the clamp seat plate to move laterally.

9. The automatic coating equipment for air compressor cylinder head plugs as described in claim 8, characterized in that; The lateral movement control structure of the fixture base plate includes a lateral plate mounted on a support plate, lateral guide rails on both sides above the lateral plate, and lateral guide blocks on the lower part of the fixture base plate corresponding to the lateral guide rails. The lateral guide blocks have lateral guide grooves that cooperate with the lateral guide rails. A lateral lead screw is arranged between the two lateral guide rails. The lateral lead screw cooperates with a nut below the fixture base plate, and both ends of the lateral lead screw are mounted on the lateral plate through lead screw seats. A drive motor is mounted at one end of the lateral plate and is connected to the lateral lead screw for transmission.

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