CN213557886U

CN213557886U - Spraying machine

Info

Publication number: CN213557886U
Application number: CN202022425481.4U
Authority: CN
Inventors: 郑云锋; 张志家
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-10-27
Filing date: 2020-10-27
Publication date: 2021-06-29
Anticipated expiration: 2030-10-27

Abstract

The application discloses a spraying machine, which comprises a base, a spraying device and a spraying device, wherein the base is fixedly arranged on one side of a production line; the clamping device is used for clamping and fixing a workpiece, the clamping device can rotate relative to the base, and the rotation axis is arranged along the vertical direction; the first driving device is used for driving the clamping device to rotate and arranged on the base; and the spraying device is used for spraying the surface of the workpiece and is arranged on one side of the clamping device, which is far away from the production line. So set up, utilize this flush coater to replace the manual work to carry out the coating spraying to shoes, reduced workman's intensity of labour, and the spraying in-process, need not to carry out the dismouting to shoe tree and shoelace, the process reduces, is favorable to improving production efficiency.

Description

Spraying machine

Technical Field

The utility model relates to a material spraying technical field especially relates to a flush coater.

Background

The rubber vulcanized shoe is made up by using rubber, fabric or leather as upper and rubber as base material, and adopting the processes of sticking, die-pressing or injecting glue, etc. and making vulcanization treatment at a certain temp. and pressure. In the prior art, before vulcanization, in order to improve the appearance quality of rubber vulcanized shoes, special paint needs to be sprayed on the surface, and the spraying process is carried out by holding the shoes and the spray head respectively with two hands of workers, so that the labor intensity is high. The processes of processing and forming in modes of pasting, mould pressing or glue injection and the like need to be carried out in cooperation with shoe trees, the shoe trees are generally aluminum products, the weight is large, and therefore when coating is sprayed, the shoe trees need to be opened, taken out and then sprayed. Due to the existence of thermal deformation in the vulcanization process, a shoe tree needs to be arranged in the shoe and the shoelace needs to be tied well in the vulcanization process. Therefore, after the coating is sprayed, the shoe tree needs to be placed inside the shoe again and the shoelace needs to be tied, so that the process is complicated, the time is wasted, and the production efficiency is low.

Therefore, how to solve the problems of high labor intensity and low production efficiency caused by manually holding the shoes to spray the coating on the surfaces of the shoes in the prior art becomes an important technical problem to be solved by technical personnel in the field.

SUMMERY OF THE UTILITY MODEL

For overcoming the problem that exists among the correlation technique at least to a certain extent, this application provides a flush coater, and it can solve among the prior art because of the problem that intensity of labour is big, production efficiency is low that the shoes surface spraying coating leads to is held to the manual work.

The utility model discloses a realize like this: an applicator, comprising:

the base is fixedly arranged on one side of the production line;

the clamping device is used for clamping and fixing a workpiece, the clamping device can rotate relative to the base, and the rotation axis is arranged along the vertical direction;

the first driving device is used for driving the clamping device to rotate and arranged on the base;

and the spraying device is used for spraying the surface of the workpiece and is arranged on one side of the clamping device, which is far away from the production line.

Preferably, the clamping device comprises a first support frame arranged on the base, a clamping mechanism used for clamping the workpiece and a supporting piece used for supporting the workpiece, the clamping mechanism and the supporting piece are arranged on the first support frame and are rotatably connected with the first support frame, and the rotating axis of the clamping mechanism is overlapped with the rotating axis of the supporting piece and is arranged along the vertical direction.

Preferably, fixture is including the holder that is used for carrying out the centre gripping to the work piece, can follow vertical direction and adjust the vertical telescopic bracket of holder position and can follow the horizontal direction adjust the horizontal telescopic bracket of holder position, horizontal telescopic bracket's first end with first support frame rotates to be connected, the second end with vertical telescopic bracket's upper end fixed connection, vertical telescopic bracket's lower extreme with holder fixed connection.

Preferably, the first driving device comprises a first transmission mechanism for enabling the clamping mechanism and the supporting member to synchronously rotate and a first driving mechanism for driving the first transmission mechanism to operate, the first transmission mechanism comprises a synchronizing shaft arranged along the vertical direction, a first transmission assembly arranged between the synchronizing shaft and the clamping mechanism and a second transmission assembly arranged between the synchronizing shaft and the supporting member, and the transmission ratio of the first transmission assembly is the same as that of the second transmission assembly.

Preferably, the first support frame is connected with the base in a rotating mode, the rotating axis is arranged in the vertical direction, the base is provided with a third driving device for driving the first support frame to rotate, the number of the clamping mechanisms and the number of the supporting pieces are four, and the four clamping mechanisms and the four supporting pieces are distributed around the rotating axis of the first support frame in a rotating and symmetrical mode.

Preferably, a clutch assembly is arranged between the first driving mechanism and the synchronizing shaft, when the clutch assembly is in a first state, the first driving mechanism is in transmission connection with the synchronizing shaft, and when the clutch assembly is in a second state, the clutch assembly cuts off the transmission connection between the first driving mechanism and the synchronizing shaft.

Preferably, the clutch assembly includes for the moving platform that the synchronizing shaft removed, be used for driving about the first driving piece that moving platform removed, rotationally set up last geneva wheel of moving platform and with synchronizing shaft fixed connection's convex surface wheel, first driving piece sets up on the base, first actuating mechanism sets up on the moving platform, the geneva wheel with first actuating mechanism's output shaft fixed connection, the circumference face of convex surface wheel has the increase wearing layer of elastic material.

Preferably, the spraying device is arranged on the base in a reciprocating manner, the moving direction of the spraying device coincides with the straight line where the spraying device and the clamping device are located, the spraying device comprises a horizontal spray head for spraying in the horizontal direction, a vertical spray head for spraying in the vertical direction and a second support frame for supporting the horizontal spray head and the vertical spray head, and a second driving device for driving the spraying device to move is arranged between the second support frame and the base.

Preferably, the second support frame includes first support and the second support that distributes from top to bottom and can follow horizontal direction relative movement, first support with relative movement direction between the second support is unanimous with spraying device's moving direction, horizontal shower nozzle with vertical shower nozzle all set up on the first support and with be provided with the lift adjustment structure between the first support.

Preferably, the spraying device further comprises a control system, and the first driving device, the second driving device and the spraying device are all in communication connection with the control system.

The technical scheme provided by the application comprises the following beneficial effects:

the application provides a flush coater sets up one side at production water line for carry out the coating spraying process to the surface of machine-shaping work piece. The spraying machine comprises a base, a clamping device, a first driving device and a spraying device, wherein the clamping device, the first driving device and the spraying device are arranged on the base, the base is fixedly arranged on one side of a production line, the clamping device is used for clamping and fixing a workpiece in a spraying process, and the spraying device is used for spraying the surface of the workpiece on the clamping device. Above-mentioned clamping device can rotate for the base, and the axis of rotation sets up along vertical direction, and the spraying device is used for spraying the workpiece surface, and first drive arrangement then is used for ordering about clamping device and rotates, and at the spraying in-process, clamping device's rotation can guarantee that each surface homoenergetic of work piece is towards the spraying device to the completion is to the spraying on each surface of work piece. With this flush coater setting in one side of rubber vulcanization shoes production water line, when the shoes of machine-shaping transported to this flush coater position department, directly fixed shoes on clamping device, at first drive arrangement orders about clamping device pivoted in-process, the spraying device carries out coating spraying work to shoes. So set up, utilize this flush coater to replace the manual work to carry out the coating spraying to shoes, reduced workman's intensity of labour, and the spraying in-process, need not to carry out the dismouting to shoe tree and shoelace, the process reduces, is favorable to improving production efficiency.

It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the application.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic structural view of an applicator according to an embodiment of the present invention;

fig. 2 is a schematic structural diagram of a clamping device and a first driving device according to an embodiment of the present invention;

fig. 3 is a schematic structural diagram of a spraying device according to an embodiment of the present invention.

Reference numerals:

1. a base; 2. a production line; 3. a clamping device; 4. a workpiece; 5. a spraying device; 6. a first support frame; 7. a support member; 8. a clamping member; 9. a vertical telescopic bracket; 10. a transverse telescopic bracket; 11. a synchronizing shaft; 12. a first transmission assembly; 13. a second transmission assembly; 14. a clutch assembly; 15. a mobile platform; 16. a first driving member; 17. a sheave; 18. a convex wheel; 19. a horizontal spray head; 20. a vertical spray head; 21. a first bracket; 22. a second bracket; 23. a lifting adjustment structure; 24. a third transmission assembly; 25. a second motor; 26. a linear transmission mechanism; 27. a first guide rail; 28. a second guide rail.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention will be described in detail below. It is to be understood that the embodiments described are only some embodiments of the invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

The purpose of this embodiment is to provide a flush coater, solve among the prior art because of the handheld shoes of manual work in the problem that intensity of labour is big, production efficiency is low that the spraying coating results in on shoes surface.

Hereinafter, embodiments will be described with reference to the drawings. The embodiments described below do not limit the scope of the invention described in the claims. Further, the entire contents of the configurations shown in the following embodiments are not limited to those necessary as a solution of the invention described in the claims.

Referring to FIGS. 1-3, schematic structural views of applicators in some exemplary embodiments are shown. The coating machine provided by the embodiment is arranged on one side of a production line 2 and is used for coating the surface of a machined workpiece 4. The coating machine comprises a base 1, a clamping device 3, a first driving device and a coating device 5, wherein the clamping device 3, the first driving device and the coating device 5 are arranged on the base 1, the base 1 is fixedly arranged on one side of a production line 2, the clamping device 3 is used for clamping and fixing a workpiece 4 in a coating process, and the coating device 5 is used for coating the surface of the workpiece 4 on the clamping device 3. Above-mentioned clamping device 3 can rotate for base 1, and the axis of rotation sets up along vertical direction, and spraying device 5 is used for spraying 4 surfaces of work piece, and first drive arrangement then is used for ordering about clamping device 3 and rotates, and in the spraying process, clamping device 3's rotation can guarantee that each surface homoenergetic of work piece 4 can be towards spraying device 5 to the completion is to the spraying on each surface of work piece 4. With this flush coater setting in one side of rubber vulcanization shoes production water line 2, when the shoes of machine-shaping transported to this flush coater position department, directly fixed shoes on clamping device 3, at first drive arrangement orders about clamping device 3 pivoted in-process, spraying device 5 carries out coating spraying work to shoes. So set up, utilize this flush coater to replace the manual work to carry out the coating spraying to shoes, reduced workman's intensity of labour, and the spraying in-process, need not to carry out the dismouting to shoe tree and shoelace, the process reduces, is favorable to improving production efficiency.

It should be noted that, in order to further improve the production efficiency, the spraying machines may be disposed on both sides of the production line 2 to process the left shoes and the right shoes, respectively.

In this embodiment, the clamping device 3 includes a clamping mechanism, a supporting member 7 and a first supporting frame 6, wherein the first supporting frame 6 is disposed on the base 1 and is used for supporting the clamping mechanism and the supporting member 7, the clamping mechanism and the supporting member 7 are both disposed on the first supporting frame 6, the supporting member 7 is located below the clamping mechanism, the clamping mechanism is used for clamping and fixing the workpiece 4, after the workpiece 4 is clamped on the clamping mechanism, the lower end of the workpiece 4 contacts with the upper surface of the supporting member 7, and the supporting member 7 is used for supporting the workpiece 4. The clamping mechanism and the supporting piece 7 are rotatably connected with the first supporting frame 6, the rotating axis of the clamping mechanism is overlapped with the rotating axis of the supporting piece 7 and is arranged along the vertical direction, the spraying direction of the spraying device 5 is unchanged in the spraying process, the clamping mechanism and the supporting piece 7 synchronously rotate to drive the workpiece 4 to rotate together, and therefore multiple surfaces of the workpiece 4 can be sprayed.

In implementation, the clamping mechanism comprises a clamping piece 8, a vertical telescopic support 9 and a horizontal telescopic support 10, wherein the first end of the horizontal telescopic support 10 is rotatably connected with the first support frame 6, the rotation axis is the rotation center of the clamping mechanism and the workpiece 4, the second end of the horizontal telescopic support 10 is fixedly connected with the upper end of the vertical telescopic support 9, and the lower end of the vertical telescopic support 9 is fixedly connected with the clamping piece 8. The clamping piece 8 is used for clamping the workpiece 4, and the vertical telescopic support 9 can adjust the position of the clamping piece 8 along the vertical direction, namely adjust the distance between the clamping piece 8 and the supporting piece 7, and can be adjusted according to the height of the workpiece 4; the transverse telescopic bracket 10 can adjust the position of the clamping piece 8 along the horizontal direction, namely, adjust the distance between the clamping piece 8 and the rotation center of the clamping mechanism, and particularly can adjust according to the length of the workpiece 4.

The structure of the horizontal telescopic support 10 and the vertical telescopic support 9 is the same, the horizontal telescopic support and the vertical telescopic support all comprise a third support capable of moving relatively, a fourth support and a bolt, sliding grooves extending along the length direction of the third support and the fourth support are formed in the third support and the fourth support, the threaded end of the bolt can penetrate through the two sliding grooves, after the relative position between the third support and the fourth support is adjusted, the third support and the fourth support are screwed and connected through nuts, and the third support and the fourth support are clamped between nut ends of the nuts and the bolt, so that the relative position between the third support and the fourth support is fixed. When the relative position of the third support and the fourth support is adjusted, the nut is loosened.

It should be noted that the shape of the clamping member 8 can be designed according to the shape of the workpiece 4, and if the workpiece 4 is a shoe, the clamping member 8 can be set to be U-shaped, as shown in fig. 1 to 2, and the clamping member 8 can clamp the position of the upper of the shoe of the rubber vulcanized shoe.

In this embodiment, the first driving device includes a first transmission mechanism for synchronously rotating the clamping mechanism and the supporting member 7 and a first driving mechanism for driving the first transmission mechanism to operate, where the first transmission mechanism includes a synchronizing shaft 11 disposed along the vertical direction, a first transmission assembly 12 disposed between the synchronizing shaft 11 and the clamping mechanism, and a second transmission assembly 13 disposed between the synchronizing shaft 11 and the supporting member 7, two ends of the synchronizing shaft 11 are rotatably connected to the first supporting frame 6, and one end of the synchronizing shaft is fixedly connected to an output shaft of the first driving mechanism, and the synchronizing shaft 11 is driven to rotate by the first driving mechanism. The rotation of the synchronizing shaft 11 is respectively transmitted to the clamping mechanism and the supporting piece 7 through the first transmission assembly 12 and the second transmission assembly 13, the transmission ratio of the first transmission assembly 12 and the second transmission assembly 13 is the same, the rotating speed of the clamping mechanism and the rotating speed of the supporting piece 7 can be guaranteed to be the same, and the clamping mechanism and the supporting piece 7 can synchronously rotate. Specifically, the gear ratio of the first transmission assembly 12 and the second transmission assembly 13 may be set to 1.

First transmission assembly 12 and second transmission assembly 13 are belt transmission assembly, including the action wheel, from driving wheel and drive belt, the axis of rotation of action wheel and synchronizing shaft 11's axis of rotation coincidence and action wheel and synchronizing shaft 11 fixed connection, the axis of rotation of the follow driving wheel of first transmission assembly 12 and fixture's centre of gyration coincidence, and first transmission assembly 12 from driving wheel and fixture fixed connection, second transmission assembly 13 from the axis of rotation of driving wheel and the centre of gyration coincidence of supporting piece 7, and second transmission assembly 13 from driving wheel and supporting piece 7 fixed connection. In order to ensure that the transmission belt has certain tension, a tension belt wheel can be arranged; in order to ensure the transmission precision, the first transmission assembly 12 and the second transmission assembly 13 may be set as synchronous belt transmission assemblies, that is, the driving wheel and the driven wheel select synchronous belt wheels, and correspondingly, the driving belt selects a synchronous belt.

In this embodiment, the first support frame 6 is rotatably connected to the base 1, the rotation axis is arranged along the vertical direction, three stations are arranged on one side of the production line 2, the station facing the production line 2 is a second station for performing spraying operation on the workpiece 4, and the stations located between the second station and the production line 2 are a first station and a third station for respectively mounting the workpiece 4 on the clamping mechanism and taking the workpiece 4 off from the clamping mechanism, that is, the loading operation and the unloading operation. The four clamping mechanisms and the four supporting pieces 7 can be arranged on the first supporting frame 6 in pairs, and the four clamping mechanisms and the four supporting pieces 7 are rotationally and symmetrically distributed around the rotating axis of the first supporting frame 6, so that the corresponding clamping mechanisms are arranged above each station when the first supporting frame 6 rotates 90 degrees. When the clamping mechanism is positioned above the production line 2, the workpiece 4 does not exist on the clamping mechanism, the first support frame 6 rotates by 90 degrees, the clamping mechanism can reach the position above the first station, at the moment, an operator can install the workpiece 4 on the clamping mechanism, the first support frame 6 continues to rotate, and the clamping mechanism can sequentially pass through the second station and the third station to respectively perform spraying operation and blanking operation. The first support frame 6 rotates circularly, and all stations operate simultaneously, so that the production efficiency is improved.

The first support frame 6 has a structure as shown in fig. 1, and specifically includes a vertical column and four sets of support rods, one end of each support rod is fixedly connected with the vertical column, the other end of each support rod extends along the radial direction of the vertical column, and the four sets of support rods are uniformly distributed along the circumferential direction of the vertical column. Each group of supporting rods comprises two supporting rods which are vertically distributed and are parallel to each other, the clamping mechanism is rotatably connected with the supporting rod positioned above, and the bearing piece 7 is rotatably connected with the supporting rod positioned below.

In implementation, a third driving device is disposed on the base 1 for driving the first supporting frame 6 to rotate. The third driving device comprises a third transmission assembly 24 and a first motor driving the third transmission assembly 24 to operate, the first motor is arranged below the base 1, the third transmission assembly 24 is arranged above the base 1, and an output shaft of the first motor penetrates through the upper part of the base 1 and is connected with the third transmission assembly 24. The third transmission assembly 24 may be a belt transmission assembly, and particularly, an optional synchronous belt transmission assembly.

In this embodiment, the clutch assembly 14 is disposed between the first driving mechanism and the synchronizing shaft 11, when the clutch assembly 14 is in the first state, the first driving mechanism is in transmission connection with the synchronizing shaft 11, and when the clutch assembly 14 is in the second state, the clutch assembly 14 cuts off the transmission connection between the first driving mechanism and the synchronizing shaft 11, so that the first support frame 6 smoothly rotates.

In an implementation, the clutch assembly 14 includes a movable platform 15 capable of moving relative to the synchronizing shaft 11, a first driving member 16 for driving the movable platform 15 to move, a groove wheel 17 rotatably disposed on the movable platform 15, and a convex wheel 18 fixedly connected to the synchronizing shaft 11, wherein the first driving mechanism is disposed on the movable platform 15, the groove wheel 17 is connected to an output shaft of the first driving mechanism, and the groove wheel 17 rotates relative to the movable platform 15 under the driving action of the first driving mechanism. The first driving member 16 is disposed on the base 1, the first driving member 16 can drive the moving platform 15 to approach or leave the synchronizing shaft 11, when the moving platform 15 approaches the synchronizing shaft 11, the sheave 17 gradually approaches the cam wheel 18, an abrasion increasing layer made of elastic material is disposed on the circumferential surface of the cam wheel 18, and when the moving platform 15 moves to the position where the cam wheel 18 contacts the sheave 17 in a pressing manner, the cam wheel 18 can rotate along with the rotation of the sheave 17 through the friction force between the sheave 17 and the cam wheel 18. At the end of the spraying operation on the workpiece 4, the first driving member 16 drives the moving platform 15 to gradually move away from the synchronizing shaft 11, so that the groove wheel 17 and the convex wheel 18 are separated from contact, the transmission between the first driving mechanism and the synchronizing shaft 11 is stopped, and the distance between the moving platform 15 and the synchronizing shaft 11 is increased, which is beneficial to providing a space for the rotation of the first support frame 6.

The material of the wear-increasing layer on the convex wheel 18 may be rubber or polyurethane.

The first driving mechanism comprises a fourth transmission component and a second motor 25 driving the fourth transmission component to operate, the second motor 25 is arranged above the moving platform 15, the moving platform 15 is of a hollow structure, and the fourth transmission component is arranged inside the moving platform 15. The fourth transmission assembly can be a belt transmission assembly, and particularly can be a selectable synchronous belt transmission assembly.

The first driving member 16 may be in the form of a hydraulic cylinder or an air cylinder, two ends of the hydraulic cylinder or the air cylinder are respectively connected to the moving platform 15 and the base 1, and the telescopic action of the hydraulic cylinder or the air cylinder is controlled by a hydraulic circuit or an air pressure circuit. The action of the hydraulic cylinder or the air cylinder is simple telescopic action, and a hydraulic loop or an air pressure loop driving the hydraulic cylinder or the air cylinder to perform simple telescopic action is mature prior art and is not described in detail herein. A first guide 27 may be provided between the moving platform 15 and the base 1 to guide the movement of the moving platform 15.

In this embodiment, the spraying device 5 is reciprocally disposed on the base 1, and the moving direction of the spraying device 5 coincides with the straight line where the spraying device 5 and the holding device 3 are located, so that the distance between the spraying device 5 and the surface of the workpiece 4 is adjustable. The spraying device 5 comprises a second support frame, and a horizontal spray head 19 and a vertical spray head 20 which are arranged on the second support frame, wherein the horizontal spray head 19 sprays along the horizontal direction, and the vertical spray head 20 sprays along the vertical direction.

In implementation, the second support frame includes a first support 21 and a second support 22 which are distributed up and down and can relatively move along a horizontal direction, a relative movement direction between the first support 21 and the second support 22 is consistent with a movement direction of the spraying device 5, a sliding groove is arranged on the first support 21 and the second support 22 through the relative movement between the first support 21 and the second support 22, an extension direction of the sliding groove is arranged along the horizontal direction and is consistent with the movement direction of the spraying device 5, a threaded end of a bolt sequentially penetrates through the sliding grooves on the first support 21 and the second support 22 by a bolt and then is screwed with the nut, and the first support 21 and the second support 22 are clamped between the nut and a nut end of the bolt, so that the relative positions of the first support 21 and the second support 22 are fixed. When the relative position of the first bracket 21 and the second bracket 22 is adjusted, the nut is loosened.

The horizontal spray head 19 and the vertical spray head 20 are both arranged on the first bracket 21, and a lifting adjusting structure 23 is arranged between the first bracket 21 and the horizontal spray head 19, and the height of the vertical spray head 20, namely the height of the horizontal spray head 19 and the height of the vertical spray head 20 relative to the supporting member 7, can be adjusted through the lifting adjusting structure 23. The elevation adjustment structure 23 between the horizontal spray head 19 and the first support 21 is similar to the elevation adjustment structure 23 between the vertical spray head 20 and the first support 21, and the elevation adjustment structure 23 between the horizontal spray head 19 and the first support 21 is taken as an example for explanation. This lifting adjusting structure 23 is including setting up the spout on first support 21 and setting up the slider on horizontal shower nozzle 19, the spout extends along vertical direction, the slider is cylindricly, the one end and the 19 fixed connection of horizontal shower nozzle of slider, be provided with the external screw thread on the surface of slider, the spout on the first support 21 can be passed to the other end, utilize the nut to be screwed with the slider and be connected, first support 21 then is pressed from both sides tightly between horizontal shower nozzle 19 and nut to realize the fixed of relative position between horizontal shower nozzle 19 and the first support 21. When the height of the horizontal spray nozzle 19 is adjusted, the nut is loosened.

The movement of the spraying device 5 relative to the base 1 can be realized by arranging a second driving device between the second supporting frame and the base 1. The second driving device comprises a linear transmission mechanism 26 arranged between the base 1 and the second support 22 and a second driving member for driving the linear transmission mechanism 26 to operate, the linear transmission mechanism 26 can be a rack and pinion transmission mechanism or a lead screw nut transmission mechanism, and the second driving member is a third motor connected with a driving member of the linear transmission mechanism 26. A second guide rail 28 may be provided between the second bracket 22 and the base 1 to guide the movement of the second bracket 22.

In implementation, the coating machine further comprises a control system, and the first driving device, the second driving device, the third driving device and the coating device 5 are all in communication connection with the control system. Specifically, the control system includes a PLC controller, the second motor 25 of the first driving device, the third motor of the second driving device, and the first motor of the third driving device are all set as servo motors, so that each servo motor is in communication connection with the PLC controller, the electromagnetic directional valve in the hydraulic circuit or the air pressure circuit of the first driving member 16 is in communication connection with the PLC controller, and the spraying device 5 is also in communication connection with the PLC controller, so as to control the start and stop of the spraying process. According to the arrangement, the devices can be orderly carried out by presetting a control program in the PLC, so that the automatic control of the spraying machine is realized.

Before the spraying machine is used for spraying paint on shoes, the distance between the clamping mechanism and the supporting piece 7 is adjusted through the vertical telescopic support 9 and the transverse telescopic support 10 according to the size of the number of the shoes; then the relative position between the first bracket 21 and the second bracket 22 is adjusted, and the distance between the horizontal spray head 19 and the vertical spray head 20 and the surface of the shoes is adjusted by the lifting adjusting structure 23. When shoes are sprayed, the side faces of the soles and the upper surfaces of the toe caps are generally sprayed, the spraying of the side faces of the soles is completed by using the horizontal spray heads 19, due to the irregular shapes of the shoes, the distance between the horizontal spray heads 19 and the side faces of the soles can be changed continuously in the self-rotating process of the shoes, and in the spraying process, the control system adjusts the positions of the second support frames constantly by controlling the third driving devices in the self-rotating process of the shoes so as to ensure the distance between the horizontal spray heads 19 and the side faces of the soles and ensure the uniform spraying of the coating; when the upper surface of the toe cap is sprayed, the vertical spray head 20 is utilized, and the control system controls the first driving device to rotate the clamping mechanism and the supporting piece 7 clockwise by a certain angle and then anticlockwise by a certain angle, so that the spraying is repeated, and the shoes can swing repeatedly.

It should be noted that the detection and control of the rotation angles of the clamping mechanism and the supporting member 7 and the rotation angle of the first supporting frame 6 can be realized by an inductive switch, and the inductive switch is in communication connection with the control system. To fixture and the detection control of the turned angle of support 7, can specifically set up first iron sheet at the edge of every convex wheel 18 lower surface, corresponding position department sets up first inductive switch on base 1, distance between the axis of rotation of first iron sheet and convex wheel 18 equals with the distance between the axis of rotation of convex wheel 18, when fixture drove work piece 4 rotation, convex wheel 18 rotates a week, first iron sheet can once pass through above first inductive switch, when first iron sheet rotates to first inductive switch top, first inductive switch can be with signal transmission to control system, control system generates corresponding signal and sends respectively to first drive arrangement, second drive arrangement, third drive arrangement and spraying device 5, make it take place corresponding action. For the detection control of the rotation angle of the first support frame 6, specifically, the four support rods below the first support frame may be provided with second iron sheets, the corresponding positions on the base 1 are provided with second inductive switches, the distance between the second iron sheets and the rotation axis of the first support frame 6 is equal to the distance between the second inductive switches and the rotation axis of the first support frame 6, each time the first support frame 6 rotates 90 degrees, the second iron sheet on one support rod passes through the second inductive switch once, when the second iron sheet on one support rod rotates to the position above the second inductive switch, the second inductive switch sends a signal to the control system, and the control system generates corresponding signals and sends the signals to the first driving device, the second driving device, the third driving device and the spraying device 5 respectively, so that the corresponding actions occur.

The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present invention, and all should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims

1. An applicator, comprising:

the base (1) is fixedly arranged on one side of the production line (2);

the clamping device (3) is used for clamping and fixing a workpiece (4), the clamping device (3) can rotate relative to the base (1), and the rotation axis is arranged along the vertical direction;

the first driving device is used for driving the clamping device (3) to rotate and arranged on the base (1);

and the spraying device (5) is used for spraying the surface of the workpiece (4), and the spraying device (5) is arranged on one side, far away from the production line (2), of the clamping device (3).

2. The coating machine according to claim 1, characterized in that the clamping device (3) comprises a first support frame (6) arranged on the base (1), a clamping mechanism for clamping the workpiece (4) and a support (7) for supporting the workpiece (4), the clamping mechanism and the support (7) are both arranged on the first support frame (6) and are both rotatably connected with the first support frame (6), and the rotation axis of the clamping mechanism is coincident with the rotation axis of the support (7) and is arranged along the vertical direction.

3. The coating machine according to claim 2, characterized in that the clamping mechanism comprises a clamping member (8) for clamping the workpiece (4), a vertical telescopic support (9) capable of adjusting the position of the clamping member (8) in the vertical direction, and a transverse telescopic support (10) capable of adjusting the position of the clamping member (8) in the horizontal direction, wherein a first end of the transverse telescopic support (10) is rotatably connected with the first support frame (6), a second end of the transverse telescopic support is fixedly connected with the upper end of the vertical telescopic support (9), and the lower end of the vertical telescopic support (9) is fixedly connected with the clamping member (8).

4. The applicator according to claim 2, characterized in that the first drive means comprise a first transmission mechanism for the synchronous rotation of the gripper mechanism and the support (7) and a first drive mechanism for driving the first transmission mechanism in operation, the first transmission mechanism comprising a synchronizing shaft (11) arranged in a vertical direction, a first transmission assembly (12) arranged between the synchronizing shaft (11) and the gripper mechanism and a second transmission assembly (13) arranged between the synchronizing shaft (11) and the support (7), the transmission ratio of the first transmission assembly (12) and the transmission ratio of the second transmission assembly (13) being the same.

5. A spraying machine according to claim 4, characterized in that the first support frame (6) is rotatably connected with the base (1) with a rotation axis arranged in a vertical direction, the base (1) is provided with a third driving device for driving the first support frame (6) to rotate, the number of the clamping mechanisms and the supporting members (7) is four on the first support frame (6), and the number of the clamping mechanisms and the number of the supporting members (7) are rotationally symmetrically distributed around the rotation axis of the first support frame (6).

6. The coating machine according to claim 5, characterized in that a clutch assembly (14) is arranged between the first driving mechanism and the synchronizing shaft (11), when the clutch assembly (14) is in a first state, the first driving mechanism is in transmission connection with the synchronizing shaft (11), and when the clutch assembly (14) is in a second state, the clutch assembly (14) cuts off the transmission connection between the first driving mechanism and the synchronizing shaft (11).

7. The coating machine according to claim 6, characterized in that the clutch assembly (14) comprises a moving platform (15) which can move relative to the synchronizing shaft (11), a first driving member (16) for driving the moving platform (15) to move, a grooved wheel (17) which is rotatably arranged on the moving platform (15), and a convex wheel (18) which is fixedly connected with the synchronizing shaft (11), wherein the first driving member (16) is arranged on the base (1), the first driving mechanism is arranged on the moving platform (15), the grooved wheel (17) is fixedly connected with an output shaft of the first driving mechanism, and the circumferential surface of the convex wheel (18) is provided with an abrasion increasing layer made of elastic material.

8. A spraying machine according to claim 1, characterized in that the spraying device (5) is arranged on the base (1) in a reciprocating manner, the moving direction of the spraying device (5) coincides with the straight line of the spraying device (5) and the clamping device (3), the spraying device (5) comprises a horizontal spray head (19) for spraying in the horizontal direction, a vertical spray head (20) for spraying in the vertical direction, and a second support frame for supporting the horizontal spray head (19) and the vertical spray head (20), and a second driving device for driving the spraying device (5) to move is arranged between the second support frame and the base (1).

9. The coating machine according to claim 8, characterized in that the second support frame comprises a first support frame (21) and a second support frame (22) which are distributed up and down and can move relatively along a horizontal direction, the relative movement direction between the first support frame (21) and the second support frame (22) is consistent with the movement direction of the coating device (5), and the horizontal spray head (19) and the vertical spray head (20) are both arranged on the first support frame (21) and provided with a lifting adjusting structure (23) between the horizontal spray head and the first support frame (21).

10. The applicator of claim 8, further comprising a control system to which the first drive, the second drive, and the applicator (5) are all communicatively connected.