An automatic paint spraying machine

Abstract

This utility model discloses an automatic spray painting machine for automated spray painting of shoe materials. It includes a machine body, a spray painting chamber, a robotic arm, and a spray painting device. The front of the machine body has a workpiece inlet / outlet connecting to the spray painting chamber. The robotic arm is integrated on the same side, and through multi-axis linkage of an X-axis drive cylinder, a Y-axis drive cylinder, a Z-axis lifting cylinder, a rotating cylinder, and a finger cylinder, it achieves automatic gripping, transfer, and tooling clamping of shoe materials, precisely aligning the workpiece inlet / outlet with the spray painting chamber, avoiding manual loading and unloading, and improving production efficiency. The spray gun bracket adopts a vertical and horizontal bar plug-in adjustment structure, allowing manual adjustment of the spray gun height and spraying distance to adapt to different specifications of shoe materials. A paint mist collection inlet is located at the bottom of the spray painting chamber, and the paint mist is discharged externally through a filtration device and a blower, reducing workshop pollution. This utility model has a compact structure and combines automation, flexibility, and environmental friendliness, making it suitable for high-efficiency spray painting processing in shoe manufacturing production lines.

Description

Technical Field

[0001] This utility model relates to the technical field of shoe material spray painting equipment, and in particular to an automatic spray painting machine. Background Technology

[0002] Automatic shoe material spraying machine is a special equipment designed for the automated spraying of shoe material surfaces in footwear production. Through the collaboration of mechanical structure and intelligent control system, it replaces traditional manual spraying and achieves efficient, precise, and standardized spraying of paint layers on shoe material surfaces.

[0003] Traditional automatic painting machines are mostly single-station or simple assembly line designs, often requiring manual assistance for loading and unloading, making it difficult to seamlessly connect with preceding and following processes, resulting in broken production cycles. In addition, the tooling fixtures and spray guns of traditional automatic painting machines are relatively fixed designs, making it difficult to adapt to the painting of shoe materials of different specifications. Therefore, it is necessary to improve them. Utility Model Content

[0004] In view of the shortcomings of the existing technology, the purpose of this utility model is to provide an automatic spray painting machine that can be adapted to the flexible combination of shoe production lines, eliminate manual assistance, improve the efficiency of spray painting and the adaptability to different specifications of shoe materials.

[0005] To achieve the above objectives, the technical solution adopted by this utility model is as follows: an automatic spray painting machine, including a machine body, a spray painting chamber on the front side of the machine body, a spray painting device inside the spray painting chamber, a workpiece inlet / outlet and a robotic arm device on the same side of the machine body, the workpiece inlet / outlet serving as the inlet / outlet for the robotic arm device to grip and transfer workpieces to the spray painting chamber, the workpiece inlet / outlet being opened on the machine body and extending to the top and side surfaces of the machine body respectively, and the workpiece inlet / outlet communicating with the spray painting chamber; the robotic arm device, used for transferring workpieces and clamping tooling, the robotic arm device including an X-axis drive cylinder, a Y-axis drive cylinder, a Z-axis extension bracket, a Z-axis lifting cylinder, a rotating cylinder and a finger cylinder, one side of the X-axis drive cylinder being fixedly installed on the top of the machine body, the other side extending to the outside of the machine body, and the X-axis drive cylinder being parallel to the workpiece inlet / outlet, the X-axis drive cylinder having a movable X-axis drive seat; Y The end of the X-axis drive cylinder is fixedly mounted on the X-axis drive seat. The Y-axis drive cylinder is perpendicular to the X-axis drive cylinder and has a movable Y-axis drive seat. The top of the Z-axis extension bracket is fixedly connected to the Y-axis drive seat. The Z-axis lifting cylinder is oriented along the Z-axis direction and fixedly mounted on the bottom of the Z-axis extension bracket. The Z-axis lifting cylinder has a piston rod, and the end of the piston rod is provided with a lifting drive seat. The rotary cylinder is fixedly mounted on the inner side of the lifting drive seat. The rotary cylinder has a rotary drive shaft, the axial direction of which is oriented towards the X-axis direction and extends to the outer side of the lifting drive seat. The end of the rotary drive shaft is provided with a rotary drive seat. The finger cylinder is fixedly mounted on the rotary drive seat. The finger cylinder has two finger units that are close to or far apart from each other. Each of these two finger units is equipped with a clamping fixture. The clamping fixtures on both sides cooperate to clamp the target shoe material.

[0006] In a further technical solution, the Y-axis drive seat of the Y-axis drive cylinder has a tooling loading position. When the Y-axis drive seat moves to the tooling loading position, the Z-axis extension bracket, Z-axis lifting cylinder, rotary cylinder and finger cylinder are respectively aligned with the workpiece inlet and outlet along the X-axis direction to realize entry or exit from the workpiece inlet and outlet.

[0007] In a further technical solution, a paint mist collection inlet is provided at the bottom of the spraying chamber; a paint mist collection channel is provided inside the machine body, and a filter device is provided inside the paint mist collection channel. The input end of the paint mist collection channel is connected to the paint mist collection inlet; a blower is provided at the top of the machine body, and the input end of the blower is connected to the output end of the paint mist collection channel. The output end of the blower is connected to the atmosphere.

[0008] In a further technical solution, the painting device includes a reciprocating drive unit, a spray gun bracket, a spray gun clamp, and a paint gun. The reciprocating drive unit is located on the machine body and has a reciprocating drive part that reciprocates along an arc-shaped trajectory. The spray gun bracket is connected to the reciprocating drive part. The spray gun clamp is located on the top of the spray gun bracket. The paint gun is detachably mounted on the spray gun clamp, and the nozzle of the paint gun always faces the center of the arc-shaped trajectory of the reciprocating drive part.

[0009] In a further technical solution, the outer end of the reciprocating drive unit is provided with a socket; the spray gun bracket includes a vertical rod and a horizontal rod that are perpendicular to each other. The lower middle part of the vertical rod is movably inserted into the socket of the reciprocating drive unit in the vertical direction and is fastened by bolts. The top of the vertical rod is provided with a clamping block, which has another socket; the horizontal rod is movably inserted into the socket of the clamping block in the horizontal direction and is fastened by bolts. The spray gun clamp is installed at the end of the horizontal rod to realize the manual adjustment of the spraying height of the paint gun and the spraying distance from the target shoe material.

[0010] In a further technical solution, the reciprocating drive device includes a drive fixing plate, a reciprocating drive motor, a cam component, a transmission link, and a rocker arm. The drive fixing plate is mounted on the machine body; the reciprocating drive motor is fixedly mounted on the bottom of the drive fixing plate and has a motor shaft; the cam component is fastened to the motor shaft of the reciprocating drive motor; the first end of the transmission link is connected to the outside of the cam component via a rotating shaft; one end of the rocker arm is rotatably mounted on the drive fixing plate, the reciprocating drive part is located at the outer end of the rocker arm, and the second end of the transmission link is connected to the middle position of the rocker arm via another rotating shaft to drive the rocker arm to reciprocate around its rotation axis in a circular direction.

[0011] In a further technical solution, multiple connecting holes are provided in the middle of the swing arm, and each connecting hole is spaced apart along the length of the swing arm. The second end of the transmission link can be selectively connected to any one of the connecting holes to achieve swing coordination of different strokes of the swing arm.

[0012] In a further technical solution, the spray gun clamp includes a fixed plate and a separating plate. The fixed plate and the separating plate are bolted together, and the mating surfaces of the two plates are respectively formed with concave cavities. The two concave cavities that are close together clamp and fix the spray gun. One side of the fixed plate is fixed to the crossbar.

[0013] In a further technical solution, the bottom of the machine body is provided with multiple rollers and multiple support feet. The support feet are provided with support screws, which are threaded to the machine body in the vertical direction.

[0014] The advantages of this invention compared to the prior art after adopting the above structure are:

[0015] 1. By integrating the workpiece inlet / outlet with the robotic arm on the same side of the machine body, and designing a multi-axis linkage robotic arm with X-axis drive cylinder, Y-axis drive cylinder, Z-axis lifting cylinder, rotary cylinder, and finger cylinder, automatic workpiece gripping, transfer, and tooling clamping are achieved. The robotic arm can accurately position itself at the tooling loading position at the workpiece inlet / outlet and feed the shoe material into the painting chamber for automatic painting processing. This seamlessly connects with the preceding and following processes, avoiding the break in cycle time caused by manual loading and unloading, and significantly improving production continuity and efficiency.

[0016] 2. The spray gun bracket allows for manual adjustment of the spray gun's spraying height and distance from the shoe material through the insertion and adjustment of the vertical and horizontal bars and the tightening of bolts. This further adapts to the diverse painting process requirements of shoe materials and enhances the equipment's flexible production capabilities.

[0017] 3. A paint mist collection inlet is located at the bottom of the spray booth. Combined with the paint mist collection channel and filtration device inside the machine body, and the top blower, the paint mist is discharged into the atmosphere, achieving centralized collection and filtration of paint mist. This design effectively reduces the diffusion of paint mist during the spraying process, reduces workshop pollution, and improves the cleanliness of the working environment and the health and safety of operators. Attached Figure Description

[0018] The present invention will be further described below with reference to the accompanying drawings and embodiments.

[0019] Figure 1 This is a schematic diagram of the structure of this utility model.

[0020] Figure 2 This is a schematic diagram of the painting device in this utility model.

[0021] Figure 3 This is a cross-sectional schematic diagram of the present invention. Detailed Implementation

[0022] The following are merely preferred embodiments of the present invention and do not limit the scope of protection of the present invention.

[0023] like Figures 1 to 3As shown, an automatic spray painting machine includes a machine body 1, a spray painting chamber 10 on the front side of the machine body 1, a spray painting device 3 inside the spray painting chamber 10, a workpiece inlet / outlet 101 and a robotic arm device 2 on the same side of the machine body 1, the workpiece inlet / outlet 101 serving as the inlet / outlet for the robotic arm device 2 to grip and transfer workpieces to the spray painting chamber 10, the workpiece inlet / outlet 101 being opened on the machine body 1 and extending to the top and side surfaces of the machine body 1 respectively, and communicating with the spray painting chamber 10; the robotic arm device 2 is used for transferring workpieces and tooling clamping, the robotic arm device 2 having an X-axis drive cylinder 21, a Y-axis drive cylinder 22, a Z-axis extension bracket 221, a Z-axis lifting cylinder 23, a rotating cylinder 24 and a finger cylinder 25, one side of the X-axis drive cylinder 21 being fixedly mounted on the top of the machine body 1, the other side extending to the outside of the machine body 1, and the X-axis drive cylinder 21 being parallel to the workpiece inlet / outlet 101, the X-axis drive cylinder 21 having a movable X-axis drive seat; Y The end of the X-axis drive cylinder 22 is fixedly mounted on the X-axis drive seat. The Y-axis drive cylinder 22 is perpendicular to the X-axis drive cylinder 21. The Y-axis drive cylinder 22 has a movable Y-axis drive seat. The top of the Z-axis extension bracket 221 is fixedly connected to the Y-axis drive seat. The Z-axis lifting cylinder 23 is oriented along the Z-axis direction and fixedly mounted on the bottom of the Z-axis extension bracket 221. The Z-axis lifting cylinder 23 has a piston rod, and the end of the piston rod is provided with a lifting drive seat. The rotary cylinder 24 is fixedly mounted on the inner side of the lifting drive seat. The rotary cylinder 24 has a rotary drive shaft. The axial direction of the rotary drive shaft is oriented towards the X-axis direction and extends to the outer side of the lifting drive seat. The end of the rotary drive shaft is provided with a rotary drive seat 241. The finger cylinder 25 is fixedly mounted on the rotary drive seat 241. The finger cylinder 25 has two finger units that are close to or far apart from each other. Each of these two finger units is equipped with a clamping fixture. The clamping fixtures on both sides cooperate to clamp the target shoe material.

[0024] By integrating the workpiece inlet / outlet 101 with the robotic arm device 2 on the same side of the machine body, and designing a multi-axis linkage robotic arm consisting of an X-axis drive cylinder 21, a Y-axis drive cylinder 22, a Z-axis lifting cylinder 23, a rotating cylinder 24, and a finger cylinder 25, automatic workpiece gripping, transfer, and tooling clamping are achieved. The robotic arm can accurately position itself at the tooling loading position of the workpiece inlet / outlet and feed the shoe material into the painting chamber 10 for automatic painting processing. This seamlessly connects with the preceding and following processes, avoiding the break in cycle time caused by manual loading and unloading, and significantly improving production continuity and efficiency.

[0025] Specifically, the Y-axis drive seat of the Y-axis drive cylinder 22 has a tooling loading position. When the Y-axis drive seat moves to the tooling loading position, the Z-axis extension bracket 221, the Z-axis lifting cylinder 23, the rotary cylinder 24 and the finger cylinder 25 are respectively aligned with the workpiece inlet and outlet 101 along the X-axis direction to realize entry or exit from the workpiece inlet and outlet 101.

[0026] Specifically, the bottom of the spray painting chamber 10 is provided with a paint mist collection inlet 102; the inside of the body 1 is provided with a paint mist collection channel 103, the inside of the paint mist collection channel 103 is provided with a filter device 104, the input end of the paint mist collection channel 103 is connected to the paint mist collection inlet 102; the top of the body 1 is provided with a blower device 105, the input end of the blower device 105 is connected to the output end of the paint mist collection channel 103, and the output end of the blower device 105 is connected to the atmosphere.

[0027] A paint mist collection inlet 102 is installed at the bottom of the spraying chamber 10. Combined with the paint mist collection channel 103 and filter device 104 inside the machine body, and with the top blower 105, the paint mist is discharged to the atmosphere, realizing centralized collection and filtration of paint mist. This design effectively reduces the diffusion of paint mist during the spraying process, reduces workshop pollution, and improves the cleanliness of the working environment and the health and safety of operators.

[0028] Specifically, the painting device 3 includes a reciprocating drive, a spray gun bracket, a spray gun clamp 37, and a paint gun 38. The reciprocating drive is located on the body 1 and has a reciprocating drive part that reciprocates along an arc-shaped trajectory. The spray gun bracket is connected to the reciprocating drive part. The spray gun clamp 37 is located on the top of the spray gun bracket. The paint gun 38 is detachably mounted on the spray gun clamp 37, and the nozzle of the paint gun 38 always faces the center of the arc-shaped trajectory of the reciprocating drive part.

[0029] Specifically, the reciprocating drive unit has an insertion port at its outer end; the spray gun bracket includes a vertical rod 35 and a horizontal rod 36 that are perpendicular to each other. The lower middle part of the vertical rod 35 is movably inserted into the insertion port of the reciprocating drive unit in the vertical direction and is fastened by bolts. The top end of the vertical rod 35 is provided with a clamping block 352, which has another insertion port; the horizontal rod 36 is movably inserted into the insertion port of the clamping block 352 in the horizontal direction and is fastened by bolts. The spray gun clamp 37 is installed at the end of the horizontal rod 36 to realize manual adjustment of the spraying height of the paint gun 38 and the spraying distance from the target shoe material.

[0030] The spray gun bracket can be adjusted by plugging in the vertical rod 35 and the horizontal rod 36 and tightening the bolts. The spraying height of the spray gun and the distance from the shoe material can be manually adjusted, which can further adapt to the painting process requirements of various shoe materials and enhance the flexible production capacity of the equipment.

[0031] Specifically, the reciprocating drive device includes a drive fixing plate 30, a reciprocating drive motor 31, a cam 32, a transmission link 33, and a rocker arm 34. The drive fixing plate 30 is mounted on the machine body 1. The reciprocating drive motor 31 is fixedly mounted on the bottom of the drive fixing plate 30 and has a motor shaft. The cam 32 is fastened to the motor shaft of the reciprocating drive motor 31. The first end of the transmission link 33 is connected to the outside of the cam 32 through a rotating shaft 331. One end of the rocker arm 34 is provided with a swing connecting rod 341, which is rotatably mounted on a rotating connecting seat 301 at the bottom of the drive fixing plate 30 through the swing connecting rod 341. The reciprocating drive part is located at the outer end of the rocker arm 34. The second end of the transmission link 33 is connected to the middle position of the rocker arm 34 through another rotating shaft 331 to drive the rocker arm 34 to reciprocate around its rotating shaft 331 in a circular direction.

[0032] Specifically, a plurality of connecting holes 340 are provided in the middle position of the swing rod 34. Each connecting hole 340 is spaced apart along the length of the swing rod 34. The second end of the transmission connecting rod 33 can be selectively connected to any one of the connecting holes 340 to realize the swinging coordination of the swing rod 34 at different strokes.

[0033] Specifically, the spray gun clamp 37 includes a fixed plate and a separating plate. The fixed plate and the separating plate are bolted together, and the mating surfaces of the two plates are respectively formed with concave cavities. The two concave cavities that are mated together clamp and fix the spray gun 38. One side of the fixed plate is fixed to the crossbar 36.

[0034] Specifically, the bottom of the machine body 1 is provided with multiple rollers 11 and multiple support feet 12. The support feet 12 are provided with support screws, which are threaded to the machine body 1 in the vertical direction.

[0035] The automatic spray painting machine provided in this embodiment uses rollers 11 to move the machine body 1 to a suitable position on the production line, aligns the finger cylinder 25 at the initial position with the baffle plate set on the conveyor line, clamps the target shoe material of the tooling by the downward finger cylinder 25, and sends it into the spray painting chamber 10 for automatic spray painting; after the shoe material has been painted, it is driven by the Y-axis drive cylinder 22 to pass over the baffle plate and return to the conveyor line for the next processing step.

[0036] It has high flexibility and is suitable for combination with different shoe manufacturing lines to form a production line with automatic painting function.

[0037] The above description is only a preferred embodiment of this utility model. For those skilled in the art, there will be changes in the specific implementation method and application scope based on the idea of ​​this utility model. The content of this specification should not be construed as a limitation of this utility model.

Claims

1. An automatic spray painting machine, comprising a machine body (1), a spray painting chamber (10) provided on the front side of the machine body (1), and a spray painting device (3) provided in the spray painting chamber (10), characterized in that: The machine body (1) is provided with a workpiece inlet / outlet (101) and a robotic arm device (2) on the same side. The workpiece inlet / outlet (101) is used as the inlet / outlet for the robotic arm device (2) to grip the workpiece and transfer it to the paint spraying chamber (10). The workpiece inlet / outlet (101) is opened on the body (1) and extends to the top and side surfaces of the body (1) respectively. The workpiece inlet / outlet (101) is connected to the paint spraying chamber (10). The robotic arm device (2) is used for transferring workpieces and clamping tooling. The robotic arm device (2) is equipped with an X-axis drive cylinder (21), a Y-axis drive cylinder (22), a Z-axis extension bracket (221), a Z-axis lifting cylinder (23), a rotary cylinder (24), and a finger cylinder (25). One side of the X-axis drive cylinder (21) is fixedly mounted on the top of the machine body (1), and the other side extends to the outside of the machine body (1). The X-axis drive cylinder (21) is parallel to the workpiece inlet / outlet (101). The X-axis drive cylinder (21) has a movable X-axis drive seat. The end of the Y-axis drive cylinder (22) is fixedly mounted on the X-axis drive seat. The Y-axis drive cylinder (22) and the X-axis drive cylinder (21) are perpendicular to each other. The Y-axis drive cylinder (22) has a movable Y-axis drive seat. The top of the Z-axis extension bracket (221) is fixedly connected to the Y-axis drive seat. The Z-axis lifting cylinder (23) faces along the Z-axis direction and is fixedly mounted on the Z-axis extension bracket (221). At the bottom of 21), the Z-axis lifting cylinder (23) has a piston rod, and the end of the piston rod is provided with a lifting drive seat; the rotary cylinder (24) is fixedly installed on the inner side of the lifting drive seat, the rotary cylinder (24) has a rotary drive shaft, the axial direction of the rotary drive shaft is set towards the X-axis direction, and extends to the outer side of the lifting drive seat, and the end of the rotary drive shaft is provided with a rotary drive seat (241); the finger cylinder (25) is fixedly installed on the rotary drive seat (241), the finger cylinder (25) has two finger units that are close to or far apart from each other, and each of the two finger units is equipped with a clamping fixture, and the clamping fixtures on both sides cooperate to clamp the target shoe material.

2. An automatic paint spraying machine according to claim 1, characterized in that: The Y-axis drive seat of the Y-axis drive cylinder (22) has a tooling loading position. When the Y-axis drive seat moves to the tooling loading position, the Z-axis extension bracket (221), the Z-axis lifting cylinder (23), the rotating cylinder (24), and the finger cylinder (25) are respectively aligned with the workpiece inlet and outlet (101) along the X-axis direction to realize entry or exit from the workpiece inlet and outlet (101).

3. An automatic paint spraying machine according to claim 2, wherein: The bottom of the spray painting chamber (10) is provided with a paint mist collection inlet (102); the inside of the body (1) is provided with a paint mist collection channel (103), the inside of the paint mist collection channel (103) is provided with a filter device (104), the input end of the paint mist collection channel (103) is connected to the paint mist collection inlet (102); the top of the body (1) is provided with a blower device (105), the input end of the blower device (105) is connected to the output end of the paint mist collection channel (103), and the output end of the blower device (105) is connected to the atmosphere.

4. An automatic paint spraying machine according to claim 1, wherein: The painting device (3) includes a reciprocating drive, a spray gun bracket, a spray gun clamp (37), and a paint gun (38). A reciprocating drive device is located on the body (1). The reciprocating drive device has a reciprocating drive part that reciprocates along an arc-shaped trajectory. The spray gun bracket is connected to the reciprocating drive part. The spray gun clamp (37) is located on the top of the spray gun bracket. The paint gun (38) is detachably mounted on the paint gun clamp (37). The nozzle of the paint gun (38) always faces the center of the arc-shaped trajectory of the reciprocating drive part.

5. An automatic paint spraying machine according to claim 4, wherein: The reciprocating drive unit has an insertion port at its outer end; the spray gun bracket includes a vertical rod (35) and a horizontal rod (36) that are perpendicular to each other. The lower middle part of the vertical rod (35) is movably inserted into the insertion port of the reciprocating drive unit in the vertical direction and is fastened by bolts. The top end of the vertical rod (35) is provided with a clamping block (352) and the clamping block (352) has another insertion port; the horizontal rod (36) is movably inserted into the insertion port of the clamping block (352) in the horizontal direction and is fastened by bolts. The spray gun clamp (37) is installed at the end of the horizontal rod (36) to realize the manual adjustment of the spraying height of the paint gun (38) and the spraying distance from the target shoe material.

6. An automatic paint spraying machine according to claim 5, wherein: The reciprocating drive device includes a drive fixing plate (30), a reciprocating drive motor (31), a cam component (32), a transmission link (33), and a rocker arm (34). A drive fixing plate (30) is installed on the machine body (1); a reciprocating drive motor (31) is fixedly installed on the bottom of the drive fixing plate (30), and the reciprocating drive motor (31) has a motor shaft; a cam (32) is fastened to the motor shaft of the reciprocating drive motor (31); the first end of the transmission link (33) is connected to the outside of the cam (32) through a rotating shaft (331); one end of the swing arm (34) is rotatably installed on the drive fixing plate (30), the reciprocating drive part is located at the outer end of the swing arm (34), and the second end of the transmission link (33) is connected to the middle position of the swing arm (34) through another rotating shaft (331) to drive the swing arm (34) to reciprocate around its rotating shaft (331) in a circular direction.

7. An automatic paint spraying machine according to claim 6, wherein: The swing rod (34) has multiple connecting holes (340) at its middle position. Each connecting hole (340) is spaced apart along the length of the swing rod (34). The second end of the transmission link (33) can be selectively connected to any one of the connecting holes (340) to achieve swinging coordination of the swing rod (34) at different strokes.

8. An automatic paint spraying machine according to claim 7, wherein: The spray gun clamp (37) includes a fixed plate and a separating plate. The fixed plate and the separating plate are bolted together. The mating surfaces of the two plates are respectively formed with concave cavities. The two concave cavities are mated together to clamp and fix the spray gun (38). One side of the fixed plate is fixed to the crossbar (36).

9. An automatic paint spraying machine according to claim 1, wherein: The bottom of the body (1) is provided with multiple rollers (11) and multiple support feet (12). The support feet (12) are provided with support screws, which are threaded to the body (1) in the vertical direction.

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