Key multi-color spraying device and spraying method thereof

Abstract

The invention relates to the technical field of key spraying, and discloses a key multi-color spraying device and a spraying method thereof.The key multi-color spraying device comprises a machine tool, an electric sliding table is fixedly connected to the upper surface of the machine tool, the electric sliding table is slidably connected with a sliding frame, and a spraying mechanism is arranged on the outer wall of the sliding frame; the outer wall of the electric sliding table is fixedly connected with a piston cylinder, the inner wall of the piston cylinder is slidably connected with a piston head, the outer wall of the piston head is fixedly connected with one end of a piston rod, the other end of the piston rod is provided with a connecting mechanism, and the outer wall of the electric sliding table is fixedly connected with a cleaning liquid box. And the outer wall of the piston cylinder is fixedly connected with a feeding pipe and a discharging pipe. The spraying mechanism is driven to slide through the sliding frame, a piston rod drives a piston head to slide in a piston barrel through magnetic attraction and separation of a first magnetic attraction block and a second magnetic attraction block in the connecting mechanism, cleaning liquid in a cleaning liquid box is pumped out and sprayed out through a cleaning spray head, and a spray head on the spraying mechanism is cleaned.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of key spraying, in particular to a key multi-color spraying device and a spraying method thereof. BACKGROUND

[0002] In the key manufacturing industry, especially in the production process of electronic product keys, multi-color spraying is a key process. It not only can improve the aesthetics of the key, meet the needs of consumers for product appearance diversification, but also can enhance the functional differentiation and operation convenience of the key through different color markings. However, the existing key multi-color spraying device faces many problems to be solved in actual application.

[0003] In the traditional key multi-color spraying device, after the spraying operation is completed, a large amount of spraying material is often left on the spray head. If these residual spraying materials cannot be cleaned in time and effectively, they will quickly dry and solidify, clogging the small holes of the spray head, seriously affecting the quality and precision of the next spraying operation. For example, when switching between different color spraying, if the spraying material of the previous color is left in the spray head, it will cause problems such as color mixing and color deviation in subsequent spraying, making the appearance color of the key impure and unable to meet the design requirements, thereby reducing the product qualification rate.

[0004] In order to clean the spray head, the traditional way is usually manual operation. The operator needs to use special cleaning tools such as cleaning brushes, cleaning cloths, etc., dip the cleaning liquid to wipe the spray head. This way is not only inefficient, but also difficult to ensure the thoroughness of cleaning. Manual cleaning also needs to consume a lot of manpower and time, increases the production cost and production cycle, and is not conducive to large-scale and high-efficiency key production. SUMMARY

[0005] In view of the deficiencies of the prior art, the present application provides a key multi-color spraying device and a spraying method thereof, which solves the problem of low efficiency of cleaning the spray head and is not conducive to large-scale and high-efficiency key production.

[0006] In order to achieve the above object, the application is implemented by the following technical scheme: A multi-color spraying device for keys comprises a machine tool, the upper surface of the machine tool is fixedly connected with an electric sliding table, the electric sliding table is slidably connected with a sliding frame, the outer wall of the sliding frame is provided with a spraying mechanism, the outer wall of the electric sliding table is fixedly connected with a piston cylinder, the inner wall of the piston cylinder is slidably connected with a piston head, one end of the piston head is fixedly connected with a piston rod, the other end of the piston rod is provided with a connecting mechanism, the outer wall of the electric sliding table is fixedly connected with a cleaning liquid tank, the outer wall of the piston cylinder is fixedly connected with a feeding pipe and a discharging pipe, the feeding pipe is communicated with the cleaning liquid tank, the upper surface of the machine tool is fixedly connected with a cleaning tank, the inside of the cleaning tank is fixedly connected with a cleaning nozzle, and the cleaning nozzle is communicated with the discharging pipe.

[0007] Through the above scheme: the device drives the spraying mechanism to slide left and right by the electric sliding table and the sliding frame to realize the spraying operation, meanwhile, the key silica gel plate is conveyed by the feeding belt inside the machine tool, in the sliding process of the sliding frame driving the spraying mechanism, the piston rod and the piston head are pushed by the connecting mechanism, the cleaning liquid in the piston cylinder is conveyed to the cleaning nozzle through the discharging pipe, when the spraying mechanism slides above the cleaning nozzle, the cleaning nozzle sprays the cleaning liquid to automatically clean the nozzle, effectively avoiding the color mixing problem caused by the residual pigment of the nozzle during different color spraying, improving the spraying quality and product qualification rate, reducing the tedious process of manual cleaning, and improving the production efficiency.

[0008] Preferably, the connecting mechanism comprises a magnetic block one and a magnetic block two, the magnetic block one is fixedly connected with the piston rod, the magnetic block two is fixedly connected with the outer wall of the sliding frame, and the magnetic block one and the magnetic block two are magnetically attracted.

[0009] Preferably, the spraying mechanism comprises a shell, the inside of the shell is fixedly installed with a base color nozzle, a key nozzle and a digital nozzle, the base color nozzle, the key nozzle and the digital nozzle are all fixedly connected with a distribution pipe, the outer wall of the distribution pipe is provided with a main pipe, and the base color nozzle, the key nozzle and the digital nozzle are all adjacently provided with an LED lamp.

[0010] Preferably, the inside of the feeding pipe is provided with a one-way valve flap one, and the inside of the discharging pipe is provided with a one-way valve flap two.

[0011] Preferably, the inside of the cleaning tank is installed with a filter plate, and the upper surface of the filter plate is slidably connected with a cleaning sponge.

[0012] Preferably, the outer wall of the sliding frame is fixedly connected with a sleeve, the inside of the sleeve is slidably connected with a sliding rod one, the bottom end of the sliding rod one is fixedly connected with a sliding block one, one end of the sliding block one is fixedly connected with a spring, and the other end of the spring is fixedly connected with the lower surface of the sleeve.

[0013] Preferably, the outer wall of the machine tool is fixedly connected with a sliding rail, the inner part of the sliding rail is slidably connected with a sliding rod two, the outer wall of the sliding rod two is fixedly connected with a limiting block one, the outer wall of the limiting block one is slidably connected with a limiting frame one, the outer wall of the limiting frame one is fixedly connected with a sliding block two, one end of a tension spring is fixedly connected with the outer wall of the limiting block one, the other end of the tension spring is fixedly connected in the inner part of the sliding rail, and the tension spring is sleeved on the outer side of the sliding rod two.

[0014] Preferably, the outer wall of the sliding block two is fixedly connected with a limiting frame two, the inner part of the limiting frame two is slidably connected with a limiting block two, the outer wall of the limiting block two is fixedly connected with a connecting block, the outer wall of the connecting block is fixedly connected with a mounting plate, the outer wall of the mounting plate is fixedly connected with a cleaning sponge, and the upper surface of the filter plate is fixedly connected with a baffle.

[0015] Preferably, the lower surface of the sliding block two is fixedly connected with an arc-shaped block, the inner part of the cleaning box is provided with an arc-shaped groove, and the surface of the arc-shaped groove is magnetically attracted to the arc-shaped block.

[0016] A spraying method of a key multi-color spraying device, first, the key plate to be sprayed is placed on the feeding belt, the feeding belt is arranged in the inner part of the machine tool and the upper surface is exposed, the electric sliding table is started to drive the sliding frame to slide, the sliding frame drives the spraying mechanism to slide, the base color spray head, the key spray head and the digital spray head start spraying at the same time, but in the feeding direction of the feeding belt, the base color spray head sprays the base color on the key plate first, the key spray head arranged at the rear side sprays the base color of the key, and the digital spray head at the last side sprays the numbers on the key, after spraying, the sliding frame drives the spraying mechanism to slide to one side of the cleaning spray head and the cleaning sponge for cleaning.

[0017] Working principle: the key plate to be sprayed is placed on the feeding belt in the inner part of the machine tool, the electric sliding table is started to drive the sliding frame to slide, the sliding frame drives the spraying mechanism to slide, the base color spray head, the key spray head and the digital spray head are installed in the shell of the spraying mechanism, ink is supplied through separate distribution pipes respectively, and the three groups of distribution pipes are integrated in the main pipe fixed to the outer wall of the sliding frame, the other end of the main pipe is connected with an ink cartridge, in the feeding direction of the feeding belt, the base color spray head sprays the base color on the key plate first, then the key spray head sprays the base color of the key, and finally the digital spray head sprays the numbers on the key, and after spraying, the adjacent LED lamp is used for curing; When the sliding frame slides, the magnetic block one is driven to slide, and when the magnetic block one approaches the magnetic block two fixed on the outer wall of the sliding frame, the two are attracted to each other, the magnetic block one pushes the magnetic block two to slide, and the magnetic block two drives the piston head to slide in the inner wall of the piston cylinder through the piston rod; when the sliding frame drives the spraying mechanism to slide, the piston head slides to push the cleaning liquid in the piston cylinder out, and the one-way valve clack two in the discharge pipe prevents the cleaning liquid from being sucked back into the piston cylinder; when the sliding frame reverses and drives the piston head to reverse, the cleaning liquid in the cleaning liquid tank is pumped out, and the one-way valve clack one in the feeding pipe prevents the cleaning liquid from being pushed back into the cleaning liquid tank; when the spraying mechanism slides to the upper side of the cleaning nozzle, the cleaning nozzle is communicated with the discharge pipe, and the spraying cleaning liquid cleans the nozzle on the spraying mechanism; When the sliding frame drives the spraying mechanism to clean, the sleeve is simultaneously driven to slide, the sleeve first drives the sliding block one to approach the sliding block two through the sliding rod one, the sliding block two cannot slide due to the limitation of the sliding rail, and after the sliding block one contacts the sliding block two, the sliding block one is squeezed to slide upward due to the inclined surfaces of the two, the spring is contracted, and after the sliding block one slides past the sliding block two, the spring rebounds to drive the sliding block two to slide downward, and in this process, the cleaning sponge normally cleans the nozzle; When the sliding frame drives the spraying mechanism to reverse, the sliding block one pushes the sliding block two to slide, the sliding block two drives the mounting plate to slide through the connecting block, the mounting plate drives the cleaning sponge to slide, the cleaning sponge is squeezed by the baffle to squeeze out the cleaning liquid and flow into the cleaning tank, and simultaneously, the sliding block two drives the arc-shaped block to approach the arc-shaped groove, when the arc-shaped block slides to the upper side of the arc-shaped groove, the arc-shaped groove attracts the arc-shaped block to descend, the sliding block two is separated from the sliding block one, the sliding block one continues to slide, and after the sliding block two is completely separated from the sliding block one, the tension spring rebounds to drive the arc-shaped block to slide out of the arc-shaped groove and reset, The application provides a key multi-color spraying device and a spraying method thereof. 1、The application drives the spraying mechanism to slide through the sliding frame, utilizes the magnetic attraction and separation of the magnetic block one and the magnetic block two in the connecting mechanism, realizes that the piston rod drives the piston head to slide in the piston cylinder, pumps out the cleaning liquid in the cleaning liquid tank and sprays it out through the cleaning nozzle, cleans the nozzle on the spraying mechanism, and provides power through the electric sliding table of the spraying itself, without additional power.

[0018] 2、The spraying mechanism is provided with a base color nozzle, a key nozzle and a digital nozzle, which are respectively used for spraying the base color of the key plate, the key base color and the numbers on the key, can simultaneously perform multi-color spraying, meets the spraying demand of diversified keys, and simultaneously, the adjacent LED lamps of the nozzles are used for curing after spraying, thereby improving the spraying efficiency and quality.

[0019] 3、The invention is provided with a cleaning sponge on one side of the cleaning nozzle, when the sliding frame drives the spraying mechanism to clean, through the cooperation of sleeve, slide rod one, slide block one, slide block two and other components, the cleaning sponge can normally wipe the nozzle when the spraying mechanism is cleaning, and when moving reversely, the cleaning sponge is extruded to extrude the cleaning liquid into the cleaning box, and the setting of the arc block and the arc groove enables the slide block two to reset after being separated from the slide block one, thus optimizing the cleaning process and improving the practicality and automation degree of the device. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 It is a perspective view of the present invention; Figure 2 It is a partial structure schematic view of the sliding frame of the present invention; Figure 3 It is a partial structure schematic view of the piston rod of the present invention; Figure 4 It is a partial structure schematic view of the piston rod of the present invention; Figure 2 It is an enlarged schematic view of A in the figure; Figure 5 It is a partial structure schematic view of the cleaning box of the present invention; Figure 6 It is a partial structure schematic view of the cleaning box of the present invention; Figure 7 It is a partial structure schematic view of the cleaning box of the present invention; Figure 6 It is an enlarged schematic view of A in the figure; Figure 8 It is a partial structure schematic view of the cleaning box of the present invention; Figure 9 It is a partial structure schematic view of the cleaning box of the present invention;

[0021] 1, machine tool; 2, electric sliding table; 3, sliding frame; 4, spraying mechanism; 401, shell; 402, base color nozzle; 403, button nozzle; 404, digital nozzle; 405, distribution pipe; 406, main pipe; 407, LED lamp; 5, piston cylinder; 6, piston rod; 7, piston head; 8, connecting mechanism; 801, magnetic block one; 802, magnetic block two; 9, feeding pipe; 10, discharging pipe; 11, cleaning box; 12, cleaning nozzle; 13, filter plate; 14, cleaning sponge; 15, sleeve; 16, slide rod one; 17, spring; 18, slide block one; 19, slide rail; 20, slide rod two; 21, limit block one; 22, tension spring; 23, limit frame one; 24, slide block two; 25, limit block two; 26, limit frame two; 27, connecting block; 28, arc block; 29, arc groove; 30, mounting plate; 31, baffle; 32, feeding belt; 33, one-way valve flap one; 34, one-way valve flap two; 35, cleaning liquid tank. DETAILED DESCRIPTION

[0022] The technical solutions of the present application will be described clearly and completely below with reference to the drawings of the present application. Obviously, the described embodiments are only some of the embodiments of the present application, but not all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative work fall within the scope of the present application.

[0023] Please refer to the drawings of the present application Figure 1 - the drawings of the present application Figure 3 The embodiment of the present application provides a key multi-color spraying device, which comprises a machine tool 1, the upper surface of the machine tool 1 is fixedly connected with an electric sliding table 2, the electric sliding table 2 is slidably connected with a sliding frame 3, the outer wall of the sliding frame 3 is provided with a spraying mechanism 4, the outer wall of the electric sliding table 2 is fixedly connected with a piston cylinder 5, the inner wall of the piston cylinder 5 is slidably connected with a piston head 7, one end of the piston head 7 is fixedly connected with the outer wall of the piston rod 6, the other end of the piston rod 6 is provided with a connecting mechanism 8, the outer wall of the electric sliding table 2 is fixedly connected with a cleaning liquid tank 35, the outer wall of the piston cylinder 5 is fixedly connected with a feeding pipe 9 and a discharging pipe 10, the feeding pipe 9 is communicated with the cleaning liquid tank 35, the upper surface of the machine tool 1 is fixedly connected with a cleaning tank 11, the inside of the cleaning tank 11 is fixedly connected with a cleaning nozzle 12, and the cleaning nozzle 12 is communicated with the discharging pipe 10.

[0024] Specifically, the electric sliding table 2 and the sliding frame 3 drive the spraying mechanism 4 to slide left and right for spraying, meanwhile, the inside of the machine tool 1 is provided with a feeding belt 32, the key silica gel plate can be placed on the feeding belt 32, and the feeding belt 32 is driven by a motor, while the electric sliding table 2 is driven by a motor and a screw rod, these technologies are common technologies, and the present application aims at cleaning the nozzle after spraying, the spraying mechanism 4 is driven to slide by the sliding frame 3, meanwhile, the sliding frame 3 drives the piston rod 6 to slide through the connecting mechanism 8, the piston rod 6 drives the piston head 7 to slide, the piston head 7 can push the cleaning liquid in the piston cylinder 5 out, when the spraying mechanism 4 slides to the upside of the cleaning nozzle 12, the cleaning nozzle 12 sprays the cleaning liquid to clean the nozzle on the spraying mechanism 4.

[0025] Please refer to the drawings of the present application Figure 2 - the drawings of the present application Figure 3 The connecting mechanism 8 comprises a magnetic block one 801 and a magnetic block two 802, the magnetic block one 801 is fixedly connected with the piston rod 6, the magnetic block two 802 is fixedly connected to the outer wall of the sliding frame 3, and the magnetic block one 801 and the magnetic block two 802 are magnetically attracted.

[0026] Specifically, when the sliding frame 3 slides, the magnetic block one 801 slides, and the magnetic block one 801 and the magnetic block two 802 attract each other after approaching each other, at this time, the magnetic block two 802 is pushed to slide by the magnetic block one 801, and the piston head 7 is driven by the piston rod 6 to slide on the inner wall of the piston cylinder 5, at this time, it is an outflow movement, when the sliding frame 3 reaches one side of the machine tool 1, it reversely slides to drive the piston head 7 to reversely slide, and the cleaning liquid in the cleaning liquid tank 35 is pumped out, when the magnetic block one 801 moves to a certain distance, the magnetic block two 802 no longer slides under the limitation of the piston cylinder 5, at this time, the magnetic block one 801 and the magnetic block two 802 are separated, and a cleaning movement is completed.

[0027] Please refer to the accompanying drawings Figure 1 - the accompanying drawings Figure 9 The spraying mechanism 4 comprises a shell 401, the inside of the shell 401 is fixedly provided with a base color nozzle 402, a key nozzle 403 and a digital nozzle 404, the base color nozzle 402, the key nozzle 403 and the digital nozzle 404 are all fixedly connected with a distribution pipe 405, the outer wall of the distribution pipe 405 is provided with a main pipe 406, and the base color nozzle 402, the key nozzle 403 and the digital nozzle 404 are all adjacently provided with an LED lamp 407. Specifically, the application is provided with a plurality of groups of nozzles, wherein the base color nozzle 402, the key nozzle 403 and the key nozzle 403 are all installed inside the shell 401, the base color nozzle 402 is used for spraying the base color of the key plate, the key nozzle 403 is used for spraying the base color of the key, and the digital nozzle 404 is used for the numbers on the key, after spraying, curing is performed through the LED lamp 407, the base color nozzle 402, the key nozzle 403 and the key nozzle 403 respectively supply ink through separate distribution pipes 405, and the three groups of distribution pipes 405 are integrated in the inside of the main pipe 406, the main pipe 406 is fixed to the outer wall of the sliding frame 3 and slides with the sliding frame 3, and the other end of the main pipe 406 is connected with an ink cartridge.

[0028] Please refer to the accompanying drawings Figure 3 The inside of the feeding pipe 9 is provided with a one-way valve clack one 33, and the inside of the discharging pipe 10 is provided with a one-way valve clack two 34.

[0029] Specifically, when the piston head 7 moves, the cleaning liquid remaining in the cleaning nozzle 12 and the discharging pipe 10 may be pumped back into the inside of the piston cylinder 5, therefore, the one-way valve clack two 34 is installed in the inside of the discharging pipe 10, and the one-way valve clack two 34 is closed when the piston head 7 pumps liquid, and similarly, in order to avoid that the cleaning liquid is pushed back into the inside of the cleaning liquid tank 35 when the liquid is discharged, the one-way valve clack one 33 is installed in the inside of the feeding pipe 9, and the one-way valve clack one 33 is closed when the liquid is discharged, and the application can use a common swing type valve clack, that is, the valve clack rotates around the shaft through a hinge mechanism.

[0030] Please refer to the accompanying drawings Figure 5The inside of the cleaning box 11 is provided with a filter plate 13, and the upper surface of the filter plate 13 is slidably connected with a cleaning sponge 14.

[0031] Specifically, the cleaning sponge 14 is arranged on one side of the cleaning nozzle 12, and the spraying mechanism 4 is cleaned by the cleaning sponge 14 after passing through the cleaning nozzle 12. The cleaning sponge 14 can further wipe the spraying nozzle and remove the cleaning liquid attached to the spraying nozzle. The cleaning liquid of the present application can flow into the inside of the cleaning box 11 through the filter plate 13. Please refer to the accompanying drawings Figure 4 - the accompanying drawings Figure 8 The outer wall of the sliding frame 3 is fixedly connected with a sleeve 15, the inside of the sleeve 15 is slidably connected with a sliding rod 16, the bottom end of the sliding rod 16 is fixedly connected with a sliding block 18, one end of the spring 17 is fixedly connected with the outer wall of the sliding block 18, and the other end of the spring 17 is fixedly connected to the lower surface of the sleeve 15. The outer wall of the machine tool 1 is fixedly connected with a sliding rail 19, the inside of the sliding rail 19 is slidably connected with a sliding rod 20, the outer wall of the sliding rod 20 is fixedly connected with a limiting block 21, the outer wall of the limiting block 21 is slidably connected with a limiting frame 23, the outer wall of the limiting frame 23 is fixedly connected with a sliding block 24, one end of the tension spring 22 is fixedly connected with the outer wall of the limiting block 21, and the other end of the tension spring 22 is fixedly connected to the inside of the sliding rail 19. The tension spring 22 is sleeved on the outside of the sliding rod 20. The outer wall of the sliding block 24 is fixedly connected with a limiting frame 26, the inside of the limiting frame 26 is slidably connected with a limiting block 25, the outer wall of the limiting block 25 is fixedly connected with a connecting block 27, the outer wall of the connecting block 27 is fixedly connected with a mounting plate 30, the outer wall of the mounting plate 30 is fixedly connected with the cleaning sponge 14, and the upper surface of the filter plate 13 is fixedly connected with a baffle 31.

[0032] Specifically, when the sliding frame 3 drives the spraying mechanism 4 to clean, the sleeve 15 is simultaneously driven to slide. When the sleeve 15 approaches one side of the cleaning box 11, that is, the sleeve 15 first drives the sliding block 18 to approach the sliding block 24 through the sliding rod 16. At this time, due to the limitation of the sliding rail 19, the sliding block 24 cannot slide, so when the sliding block 18 contacts the sliding block 24, the sliding block 18 is squeezed to slide upward due to the slope arrangement of the sliding block 24 and the sliding block 18. At this time, the spring 17 is contracted. When the sliding block 18 slides past the sliding block 24, the spring 17 rebounds to drive the sliding block 18 to slide downward. During this process, the cleaning sponge 14 normally cleans. When the sliding frame 3 drives the spraying mechanism 4 to move reversely, the sliding block 18 drives the sliding block 24 to slide. The sliding block 24 drives the mounting plate 30 to slide through the connecting block 27. The mounting plate 30 drives the cleaning sponge 14 to slide. The cleaning sponge 14 can be squeezed by the baffle 31 to squeeze out the cleaning liquid into the inside of the cleaning box 11.

[0033] Please refer to the accompanying drawings Figure 8The lower surface of the slider two 24 is fixedly connected with an arc block 28, and the interior of the cleaning box 11 is provided with an arc groove 29, and the surface of the arc groove 29 is magnetically attracted to the arc block 28.

[0034] Specifically, the slider two 24 is connected with the slide rod two 20 in up-down sliding mode through the limiting frame one 23 and the limiting block one 21, and is connected with the connecting block 27 in up-down sliding mode through the limiting block two 25 and the limiting frame two 26, that is, when the cleaning sponge 14 is extruded by the slider two 24, the slider two 24 drives the arc block 28 to approach the arc groove 29, and when the arc block 28 slides to the upper side of the arc groove 29, the arc groove 29 attracts the arc block 28 to descend, at this time, the slider two 24 is separated from the slider one 18, and the slider one 18 can continue to slide, and after the slider two 24 is completely separated from the slider one 18, the arc block 28 is driven to slide out of the interior of the arc groove 29 to reset by the rebound of the tension spring 22.

[0035] A spraying method of the multi-color spraying device of the key, first, the key plate with spraying is placed on the feeding belt 32, the feeding belt 32 is arranged in the interior of the machine tool 1 and the upper surface is exposed, the electric sliding table 2 is started to drive the sliding frame 3 to slide, the sliding frame 3 drives the spraying mechanism 4 to slide, the base color spraying head 402, the key spraying head 403 and the digital spraying head 404 start spraying at the same time, but in the feeding direction of the feeding belt 32, the base color spraying head 402 sprays the key plate first, the key spraying head 403 arranged at the rear side sprays the key base color, and the digital spraying head 404 arranged at the last side sprays the numbers on the key, after spraying, the sliding frame 3 drives the spraying mechanism 4 to slide to one side of the cleaning spraying head 12 and the cleaning sponge 14 to clean.

[0036] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A multi-color spraying device for buttons, comprising a machine tool (1), characterized in that, An electric slide table (2) is fixedly connected to the upper surface of the machine tool (1). A sliding frame (3) is slidably connected to the electric slide table (2). A spraying mechanism (4) is provided on the outer wall of the sliding frame (3). A piston cylinder (5) is fixedly connected to the outer wall of the electric slide table (2). A piston head (7) is slidably connected to the inner wall of the piston cylinder (5). One end of a piston rod (6) is fixedly connected to the outer wall of the piston head (7). A connecting mechanism (8) is provided on the other end of the piston rod (6). A cleaning liquid tank (35) is fixedly connected to the outer wall of the electric slide table (2). A feed pipe (9) and a discharge pipe (10) are fixedly connected to the outer wall of the piston cylinder (5). The feed pipe (9) is connected to the cleaning liquid tank (35). A cleaning box (11) is fixedly connected to the upper surface of the machine tool (1). A cleaning nozzle (12) is fixedly connected inside the cleaning box (11). The cleaning nozzle (12) is connected to the discharge pipe (10).

2. The button multi-color spraying device according to claim 1, characterized in that, The connecting mechanism (8) includes a magnetic block one (801) and a magnetic block two (802). The magnetic block one (801) is fixedly connected to the piston rod (6), and the magnetic block two (802) is fixedly connected to the outer wall of the sliding frame (3). The magnetic block one (801) and the magnetic block two (802) are magnetically attracted to each other.

3. The button multi-color spraying device according to claim 2, characterized in that, The spraying mechanism (4) includes a housing (401), inside which a base color spray head (402), a button spray head (403), and a digital spray head (404) are fixedly installed. The base color spray head (402), the button spray head (403), and the digital spray head (404) are all fixedly connected to a distribution pipe (405). A main pipe (406) is provided on the outer wall of the distribution pipe (405). LED lights (407) are arranged adjacent to each other on the base color spray head (402), the button spray head (403), and the digital spray head (404).

4. The button multi-color spraying device according to claim 3, characterized in that, The feed pipe (9) is equipped with a one-way valve disc (33), and the discharge pipe (10) is equipped with a one-way valve disc (34).

5. A multi-color spraying device for buttons according to claim 4, characterized in that, The cleaning box (11) is equipped with a filter plate (13), and a cleaning sponge (14) is slidably connected to the upper surface of the filter plate (13).

6. The button multi-color spraying device according to claim 5, characterized in that, A sleeve (15) is fixedly connected to the outer wall of the sliding frame (3). A slide rod (16) is slidably connected inside the sleeve (15). A slider (18) is fixedly connected to the bottom end of the slide rod (16). One end of a spring (17) is fixedly connected to the outer wall of the slider (18). The other end of the spring (17) is fixedly connected to the lower surface of the sleeve (15).

7. A multi-color spraying device for buttons according to claim 6, characterized in that, The outer wall of the machine tool (1) is fixedly connected to a slide rail (19), and the slide rail (19) is slidably connected to a slide rod (20). The outer wall of the slide rod (20) is fixedly connected to a limit block (21), the outer wall of the limit block (21) is slidably connected to a limit frame (23), the outer wall of the limit frame (23) is fixedly connected to a slider (24), the outer wall of the limit block (21) is fixedly connected to one end of a tension spring (22), the other end of the tension spring (22) is fixedly connected to the inside of the slide rail (19), and the tension spring (22) is sleeved on the outside of the slide rod (20).

8. A multi-color spraying device for buttons according to claim 7, characterized in that, The outer wall of the slider two (24) is fixedly connected to the limiting frame two (26), the inner wall of the limiting frame two (26) is slidably connected to the limiting block two (25), the outer wall of the limiting block two (25) is fixedly connected to the connecting block two (27), the outer wall of the connecting block (27) is fixedly connected to the mounting plate (30), the outer wall of the mounting plate (30) is fixedly installed with the cleaning sponge (14), and the upper surface of the filter plate (13) is fixedly connected to the baffle (31).

9. A multi-color spraying device for buttons according to claim 8, characterized in that, The lower surface of the slider 2 (24) is fixedly connected to an arc block (28), and the inside of the cleaning box (11) is provided with an arc groove (29). The surface of the arc groove (29) is magnetically attracted to the arc block (28).

10. A spraying method for a multi-color spraying device for buttons according to any one of claims 1-9, characterized in that, First, place the keypad with the coating onto the feed belt (32). The feed belt (32) is set inside the machine tool (1) with its upper surface exposed. Start the electric slide (2) to drive the sliding frame (3) to slide. The sliding frame (3) drives the coating mechanism (4) to slide. The base color nozzle (402), key nozzle (403), and digital nozzle (404) start coating simultaneously. However, in the feeding direction of the feed belt (32), the base color nozzle (402) first coats the keypad with the base color. The key nozzle (403) set on the rear side coats the keypad with the base color. The digital nozzle (404) on the rear side coats the numbers on the keypad with the numbers. After coating, the sliding frame (3) drives the coating mechanism (4) to slide to the side of the cleaning nozzle (12) and cleaning sponge (14) for cleaning.

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