A kind of air pressure rod outer cylinder spraying equipment

Abstract

The present invention discloses a plastic spraying device for an outer cylinder of a pneumatic rod, and relates to the technical field of plastic spraying devices for pneumatic rods, including a plastic spraying room, a drying room, a chain plate conveyor, a belt conveyor and a material discharge mechanism; a clamping mechanism is installed on the chain plate of the chain plate conveyor, and the clamping mechanism includes a first support rod and a second support rod hinged on the chain plate, and an elastic mechanism driving the first support rod and the second support rod to open; a push plate driven by a first driving mechanism is slidably installed on the belt conveyor, and the push plate pushes the outer cylinder of the pneumatic rod onto the first support rod and the second support rod; the material discharge mechanism includes a bracket, a guide plate hinged on the bracket, and a second driving mechanism driving the guide plate to swing downward, and a limit plate of the outer cylinder of the pneumatic rod is also fixed on the guide plate, and a boss driving the first support rod and the second support rod to close together is installed on the material discharge end of the chain plate conveyor. The present invention can automatically load, spray, dry and discharge the outer cylinder, thereby improving the spraying efficiency of the outer cylinder.

Description

Technical Field

[0001] The invention relates to the technical field of air pressure rod plastic spraying equipment, in particular to an air pressure rod outer cylinder plastic spraying equipment. Background Art

[0002] The pneumatic rod includes an outer cylinder, an inner cylinder, an inner shell core and a piston rod. In the production process of the outer cylinder, it is necessary to process the outer cylinder and then spray the outer cylinder. The outer cylinder after spraying has strong corrosion resistance and high aesthetics. After spraying, the outer cylinder is transferred to the assembly process for assembly with other parts. In the prior art, most of the outer cylinders are sprayed manually, or the outer cylinder is manually placed on the conveying table of the spraying room and sprayed, and the spraying efficiency is low. Summary of the invention

[0003] The purpose of the present invention is to provide a pneumatic rod outer cylinder spraying device, aiming to solve the technical problem of low outer cylinder spraying efficiency in the prior art.

[0004] In order to solve the above technical problems, the technical solution of the present invention is:

[0005] A pneumatic rod outer cylinder spraying equipment, including a spraying chamber and a drying chamber connected in sequence, and also including a chain plate conveyor passing through the spraying chamber and the drying chamber, a belt conveyor for conveying the pneumatic rod outer cylinder to the chain plate conveyor, and a unloading mechanism for leading out the pneumatic rod outer cylinder; a clamping mechanism is installed on the chain plate of the chain plate conveyor, the clamping mechanism includes a first strut and a second strut hinged on the chain plate, and an elastic mechanism for driving the first strut and the second strut to open; a push plate driven by a first driving mechanism is slidably installed on the belt conveyor, and the push plate pushes the pneumatic rod outer cylinder onto the first strut and the second strut; the unloading mechanism includes a bracket, a guide plate hinged on the bracket, and a second driving mechanism driving the guide plate to swing downward, a limit plate for limiting the pneumatic rod outer cylinder is also fixed on the guide plate, and a boss for driving the first strut and the second strut to close together is installed at the unloading end of the chain plate conveyor.

[0006] With the above structure, the processed outer cylinder is transported to the feeding end of the chain conveyor through the belt conveyor, and the first driving mechanism drives the push plate to move forward, pushing the outer cylinder on the belt conveyor onto the first support rod and the second support rod in turn. The opened first support rod and the second support rod fix the outer cylinder, and the outer cylinder is transported to the spraying room for spraying along with the movement of the chain conveyor, and then dried in the drying room. The boss drives the first support rod and the second support rod to close together, loosening the outer cylinder, and the outer cylinder at the unloading end tilts downward to the guide plate under the action of gravity. The limit plate blocks the outer cylinder from moving further downward, and the second driving mechanism swings downward to make the outer cylinder fall. The above actions are repeated to automatically load, spray, dry and unload the outer cylinder, thereby improving the spraying efficiency of the outer cylinder.

[0007] Preferably, the clamping mechanism further comprises a bottom plate slidably mounted on the inner side of the chain plate, the elastic mechanism drives the bottom plate to move inward, the first connecting rod is hinged on both sides of the bottom plate, the first support rod and the second support rod are both arranged in an angle, the first support rod and the second support rod each comprise a clamping portion located on the outer side of the chain plate and a connecting rod portion located on the inner side of the chain plate, the connection between the clamping portion and the connecting rod portion is hinged on the chain plate, and the connecting rod portion is hinged on the first connecting rod. The bottom plate is driven to move inward by the elastic mechanism, the first connecting rod swings inward, and the first support rod and the second support rod swing outward to clamp the outer cylinder.

[0008] Preferably, a slide bar is slidably mounted on both sides of the bottom plate, one end of the slide bar is fixed to the chain plate, and a limit protrusion is provided on the other end of the slide bar passing through the bottom plate, and the elastic mechanism is a compression spring sleeved on the slide bar section between the chain plate and the bottom plate. The movement of the bottom plate is guided by the slide bar, the compression spring drives the bottom plate to move inward, and the limit protrusion limits the limit position of the inward movement of the bottom plate.

[0009] Preferably, the outer end of the bottom plate is fixedly connected to a bottom rod, and a ball is rotatably mounted on the outer end of the bottom rod. By setting the ball on the bottom rod, the ball rolls along the boss with the movement of the chain plate, and the boss drives the ball to move outward, and the bottom rod and the bottom plate move outward accordingly, the first connecting rod swings outward, the first support rod and the second support rod swing inward, and the clamping part closes and releases the outer cylinder, which is convenient for unloading the outer cylinder.

[0010] Preferably, the outer ends of the first support rod and the second support rod are both provided with ball heads, which can prevent the outer tube from being worn when the first support rod and the second support rod support the outer tube.

[0011] Preferably, both outer sides of the spraying room are provided with spraying machines, and both inner sides of the spraying room are provided with two vertical spray pipes spaced apart along the conveying direction of the chain plate conveyor. The spraying machines and the vertical spray pipes are connected by a connecting pipe that runs through the spraying room, and a plurality of first nozzles inclined inwardly are installed on the vertical spray pipes along their height direction. The four first nozzles spray the outer cylinder at the four corners, which can make the spraying of the outer cylinder more uniform and more efficient.

[0012] Preferably, two first nozzles are installed on the vertical spray pipe, and the upper first nozzle is arranged to be tilted downward. The upper first nozzle is arranged to be tilted downward, which can facilitate the spraying of plastic on the upper part of the outer cylinder.

[0013] Preferably, a drying tube is provided on the top of the drying chamber, one end of the drying tube is connected to a hot air blower, and a suction blower is installed on one side of the drying chamber. Hot air is blown to the outer cylinder through the drying tube to dry the outer cylinder.

[0014] Preferably, the outer side of the belt of the belt conveyor is provided with a plurality of partitions spaced apart along its length direction, the outer cylinder of the pneumatic rod is arranged between adjacent partitions, the first driving mechanism is a cylinder installed on the belt conveyor, and the push plate is installed on the piston rod of the cylinder. The provision of the partition can facilitate the loading of the outer cylinder; the movement of the push plate driven by the cylinder can facilitate the pushing out of the outer cylinder.

[0015] Preferably, the bracket is U-shaped, a rotating shaft is rotatably mounted on the bracket, the guide plate is fixedly mounted on the rotating shaft, and the second driving mechanism is a motor that drives the rotating shaft to rotate. The guide plate is rotatably mounted on the bracket through the rotating shaft, and the motor drives the rotating shaft to rotate to drive the guide plate to rotate, which is convenient for unloading the outer cylinder.

[0016] After adopting the above technical solution, the beneficial effects of the present invention are:

[0017] In the present invention, the processed outer cylinder is conveyed to the feeding end of the chain conveyor by a belt conveyor, and the first driving mechanism drives the push plate to move forward, and pushes the outer cylinder on the belt conveyor onto the first support rod and the second support rod in turn. The opened first support rod and the second support rod fix the outer cylinder, and the outer cylinder is conveyed to the spraying room for spraying along with the movement of the chain conveyor, and then dried in the drying room. The boss drives the first support rod and the second support rod to close together, and the outer cylinder is loosened. The outer cylinder at the unloading end moves downward to the guide plate under the action of gravity, and the limit plate blocks the outer cylinder from continuing to move downward. The second driving mechanism swings downward to make the outer cylinder fall. The above actions are repeated to automatically load, spray, dry and unload the outer cylinder, thereby improving the spraying efficiency of the outer cylinder. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a top view structural schematic diagram of a gas pressure rod outer cylinder spraying device of the present invention;

[0019] Figure 2 It is a cross-sectional structural schematic diagram of a pneumatic rod outer cylinder spraying device of the present invention;

[0020] Figure 3 yes Figure 2 Schematic diagram of the enlarged structure at A;

[0021] Figure 4 It is a structural diagram of the chain plate and the clamping mechanism.

[0022] In the figure, a spraying chamber 1, a spraying machine 10, a vertical nozzle 11, a connecting pipe 12, a first nozzle 13, a drying chamber 2, a drying pipe 20, a second nozzle 21, a suction fan 22, a clamping mechanism 3, a first support rod 30, a second support rod 31, a bottom plate 32, a first connecting rod 33, a clamping portion 34, a ball head 340, a connecting rod portion 35, a sliding rod 36, a limiting protrusion 37, a compression spring 38, a bottom rod 39, a sphere 390, a chain conveyor 4, a chain plate 40, a boss 41, a belt conveyor 5, a push plate 50, a partition plate 51, a cylinder 52, a bracket 6, a guide plate 60, a limiting plate 61, a rotating shaft 62, a motor 63, and an outer cylinder 7. DETAILED DESCRIPTION

[0023] The present invention will be further described below in conjunction with the accompanying drawings.

[0024] The orientations mentioned in this specification are based on the orientations of the air pressure rod outer cylinder spray molding device of the present invention when it is working normally, and do not limit the orientations during storage and transportation. They only represent relative positional relationships, not absolute positional relationships.

[0025] like Figures 1 to 4 As shown, a pneumatic rod outer cylinder spraying equipment includes a spraying chamber 1 and a drying chamber 2 connected in sequence, a chain plate conveyor 4 passing through the spraying chamber 1 and the drying chamber 2, a belt conveyor 5 conveying the pneumatic rod outer cylinder 7 to the chain plate conveyor 4, and a material discharge mechanism for leading out the pneumatic rod outer cylinder 7. Preferably, the spraying chamber 1, the drying chamber 2 and the material discharge mechanism are fixed on the ground. A clamping mechanism 3 is installed on the chain plate 40 of the chain conveyor 4, and the clamping mechanism 3 includes a first strut 30 and a second strut 31 hinged on the chain plate 40, and an elastic mechanism for driving the first strut 30 and the second strut 31 to open; a push plate 50 driven by a first driving mechanism is slidably installed on the belt conveyor 5, and the push plate 50 pushes the pneumatic rod outer tube 7 onto the first strut 30 and the second strut 31; the unloading mechanism includes a bracket 6, a guide plate 60 hinged on the bracket 6, and a second driving mechanism for driving the guide plate 60 to swing downward, and a limit plate 61 for limiting the pneumatic rod outer tube 7 is also fixed to the guide plate 60, and a boss 41 for driving the first strut 30 and the second strut 31 to close together is installed at the unloading end of the chain conveyor 4.

[0026] When the present invention is working, the processed outer cylinder 7 is transported to the feeding end of the chain conveyor 4 through the belt conveyor 5, and the first driving mechanism drives the push plate 50 to move forward, and pushes the outer cylinder 7 on the belt conveyor 5 onto the first support rod 30 and the second support rod 31 in turn. The opened first support rod 30 and the second support rod 31 fix the outer cylinder 7, and the outer cylinder 7 is transported to the spraying room 1 for spraying with the movement of the chain conveyor 4, and then dried in the drying room 2. The boss 41 drives the first support rod 30 and the second support rod 31 to close together, loosening the outer cylinder 7, and the outer cylinder 7 at the unloading end moves downward to the guide plate 60 under the action of gravity. The limit plate 61 blocks the outer cylinder 7 from continuing to move downward, and the second driving mechanism swings downward to make the outer cylinder 7 fall. The above actions are repeated to automatically load, spray, dry and unload the outer cylinder 7, thereby improving the spraying efficiency of the outer cylinder 7.

[0027] As a preferred example of this embodiment, the clamping mechanism 3 also includes a bottom plate 32 slidably mounted on the inner side of the chain plate 40, the elastic mechanism drives the bottom plate 32 to move inward, the first connecting rod 33 is hinged on both sides of the bottom plate 32, the first support rod 30 and the second support rod 31 are both arranged in an angle, the first support rod 30 and the second support rod 31 each include a clamping portion 34 located on the outer side of the chain plate 40 and a connecting rod portion 35 located on the inner side of the chain plate 40, the connection between the clamping portion 34 and the connecting rod portion 35 is hinged on the chain plate 40, and the connecting rod portion 35 is hinged on the first connecting rod 33. The chain plate 40 is provided with an opening for the clamping portion 34 to swing, and two protrusions are provided on both sides of the opening, and the first support rod 30 and the second support rod 31 are provided with a support rod shaft on both sides, and the support rod shaft is rotatably mounted on the protrusions. The bottom plate 32 is driven to move inward by the elastic mechanism, the first connecting rod 33 swings inward, and the first support rod 30 and the second support rod 31 swing outward, thereby clamping the outer cylinder 7.

[0028] As a preferred example of this embodiment, a slide bar 36 is slidably mounted on both sides of the bottom plate 32, one end of the slide bar 36 is fixed to the chain plate 40, and the other end of the slide bar 36 passing through the bottom plate 32 is provided with a limit protrusion 37, and the elastic mechanism is a compression spring 38 sleeved on the slide bar 36 section between the chain plate 40 and the bottom plate 32. The movement of the bottom plate 32 is guided by the slide bar 36, the compression spring 38 drives the bottom plate 32 to move inward, and the limit protrusion 37 limits the limit position of the inward movement of the bottom plate 32.

[0029] As a preferred example of this embodiment, the outer end of the bottom plate 32 is fixedly connected to a bottom rod 39, and a ball 390 is rotatably mounted on the outer end of the bottom rod 39. By setting the ball 390 on the bottom rod 39, the ball 390 rolls along the boss 41 with the movement of the chain plate 40, and the boss 41 drives the ball 390 to move outward, and the bottom rod 39 and the bottom plate 32 move outward accordingly, the first connecting rod 33 swings outward, the first support rod 30 and the second support rod 31 swing inward, and the clamping part 34 closes and releases the outer cylinder 7, so as to facilitate the unloading of the outer cylinder 7.

[0030] As a preferred example of this embodiment, the outer ends of the first support rod 30 and the second support rod 31 are both provided with ball heads 340. The provision of the ball heads 340 can prevent the outer tube 7 from being worn when the first support rod 30 and the second support rod 31 support the outer tube 7.

[0031] As a preferred example of this embodiment, both outer sides of the spraying room 1 are provided with spraying machines 10, and both inner sides of the spraying room 1 are provided with two vertical spray pipes 11 spaced apart along the conveying direction of the chain plate conveyor 4. The spraying machine 10 and the vertical spray pipes 11 are connected by a connecting pipe 12 that runs through the spraying room 1, and a plurality of first nozzles 13 inclined inwardly are installed on the vertical spray pipes 11 along their height direction. The four first nozzles 13 spray the outer cylinder 7 at the four corners, which can make the spraying of the outer cylinder 7 more uniform and more efficient.

[0032] As a preferred example of this embodiment, two first nozzles 13 are installed on the vertical nozzle 11, and the upper first nozzle 13 is arranged to be tilted downward. The upper first nozzle 13 is arranged to be tilted downward, which can facilitate the spraying of the upper part of the outer cylinder 7.

[0033] As a preferred example of this embodiment, a drying pipe 20 is provided at the top of the drying chamber 2, one end of the drying pipe 20 is connected to a hot air blower, and a suction blower 22 is installed at one side of the drying chamber 2. Specifically, a plurality of second nozzles 21 are provided at the bottom of the drying pipe 20, the drying pipe 20 is arranged horizontally, and the drying pipe 20 is connected to the hot air blower through an air inlet pipe. Hot air is blown toward the outer cylinder 7 through the drying pipe 20 to dry the outer cylinder 7.

[0034] As a preferred example of this embodiment, a plurality of partitions 51 are arranged at intervals along the length direction of the belt of the belt conveyor 5, and the outer cylinder 7 of the gas pressure rod is arranged between adjacent partitions 51. The first driving mechanism is a cylinder 52 installed on the belt conveyor 5, and the push plate 50 is installed on the piston rod of the cylinder 52. The provision of the partition 51 can facilitate the loading of the outer cylinder 7; the movement of the push plate 50 driven by the cylinder 52 can facilitate the pushing out of the outer cylinder 7.

[0035] As a preferred example of this embodiment, the bracket 6 is arranged in a U shape, a rotating shaft 62 is rotatably mounted on the bracket 6, the guide plate 60 is fixedly mounted on the rotating shaft 62, and the second driving mechanism is a motor 63 that drives the rotating shaft 62 to rotate. The output shaft of the motor 63 and the rotating shaft 62 are connected by a coupling. The guide plate 60 is rotatably mounted on the bracket 6 through the rotating shaft 62, and the rotating shaft 62 is driven to rotate by the motor 63 to drive the guide plate 60 to rotate, so as to facilitate the unloading of the outer cylinder 7.

[0036] Of course, the above description is not a limitation of the present invention, and the present invention is not limited to the above examples. Changes, modifications, additions or substitutions made by technicians in this technical field within the essential scope of the present invention should also fall within the protection scope of the present invention.

Claims

1. A pneumatic rod outer cylinder spraying equipment, characterized in that: It includes a spraying room and a drying room connected in sequence, and also includes a chain plate conveyor passing through the spraying room and the drying room, a belt conveyor conveying the outer cylinder of the pneumatic rod to the chain plate conveyor, and a material discharge mechanism for leading out the outer cylinder of the pneumatic rod; a clamping mechanism is installed on the chain plate of the chain plate conveyor, and the clamping mechanism includes a first support rod and a second support rod hinged on the chain plate, and an elastic mechanism driving the first support rod and the second support rod to open; a push plate driven by the first driving mechanism is slidably installed on the belt conveyor, and the push plate pushes the outer cylinder of the pneumatic rod onto the first support rod and the second support rod; the material discharge mechanism includes a bracket, a bracket hinged on the bracket The guide plate on the chain plate, and the second driving mechanism that drives the guide plate to swing downward, the guide plate is also fixedly connected to the limit plate of the outer cylinder of the limit gas pressure rod, the unloading end of the chain conveyor is equipped with a boss that drives the first strut and the second strut to be close together, the clamping mechanism also includes a bottom plate slidably installed on the inner side of the chain plate, the elastic mechanism drives the bottom plate to move inward, the two sides of the bottom plate are hinged with a first connecting rod, the first strut and the second strut are both angularly arranged, the first strut and the second strut each include a clamping portion located on the outer side of the chain plate and a connecting rod portion located on the inner side of the chain plate, the connection between the clamping portion and the connecting rod portion is hinged on the chain plate, and the connecting rod portion is hinged on the first connecting rod.

2. The air pressure rod outer cylinder spraying equipment according to claim 1, characterized in that: Slide rods are slidably installed on both sides of the base plate, one end of the slide rod is fixedly connected to the chain plate, and the other end of the slide rod passing through the base plate is provided with a limiting protrusion, and the elastic mechanism is a compression spring sleeved on the slide rod section between the chain plate and the base plate.

3. The air pressure rod outer cylinder spraying equipment as claimed in claim 2, characterized in that: The outer end of the bottom plate is fixedly connected with a bottom rod, and the outer end of the bottom rod is rotatably mounted with a ball.

4. The air pressure rod outer cylinder spraying equipment according to claim 1, characterized in that: The outer ends of the first support rod and the second support rod are both provided with ball heads.

5. The air pressure rod outer cylinder spraying equipment according to claim 1, characterized in that: The two outer sides of the spraying room are provided with spraying machines, and the two inner sides of the spraying room are provided with two vertical nozzles arranged at intervals along the conveying direction of the chain conveyor. The spraying machine and the vertical nozzles are connected by a connecting pipe that runs through the spraying room, and a plurality of first nozzles inclined inwardly are installed on the vertical nozzles along their height direction.

6. The air pressure rod outer cylinder spraying equipment as claimed in claim 5, characterized in that: Two first nozzles are installed on the vertical spray pipe, and the upper first nozzle is arranged to be inclined downward.

7. The air pressure rod outer cylinder spraying equipment according to claim 1, characterized in that: A drying pipe is arranged on the top of the drying chamber, one end of the drying pipe is connected to a hot air blower, and a suction blower is installed on one side of the drying chamber.

8. The air pressure rod outer cylinder spraying equipment according to claim 1, characterized in that: The outer side of the belt of the belt conveyor is provided with a plurality of partitions spaced apart along its length direction, the outer cylinder of the pneumatic rod is arranged between adjacent partitions, the first driving mechanism is a cylinder installed on the belt conveyor, and the push plate is installed on the piston rod of the cylinder.

9. The air pressure rod outer cylinder spraying equipment according to claim 1, characterized in that: The bracket is arranged in a U shape, a rotating shaft is rotatably mounted on the bracket, the guide plate is fixedly sleeved on the rotating shaft, and the second driving mechanism is a motor driving the rotating shaft to rotate.

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