A smoke alarm shell spray painting device

Abstract

The present invention relates to a coloring device, and in particular to a smoke alarm shell spraying and coloring device. It is necessary to design a smoke alarm shell spraying and coloring device that can spray paint and color the inside and outside of the smoke alarm shell, improve work efficiency, and is relatively convenient. A smoke alarm shell spraying and coloring device includes a cylinder, a support frame, and an anti-slip rubber plate. The support frame is fixedly connected to the bottom of the outer bottom of the cylinder symmetrically on the left and right, and the bottoms of the left and right support frames are fixedly connected to anti-slip rubber plates. The present invention places the smoke alarm shell in a clamping mechanism and clamps it, starts the paint spraying assembly to spray paint on the smoke alarm shell for coloring, and then starts the driving mechanism. The operation of the driving mechanism drives the clamping mechanism to rotate forward, and the forward rotation of the clamping mechanism drives the smoke alarm shell to rotate forward, so that the inner side of the smoke alarm shell is sprayed with paint facing upward. In this way, the inner and outer sides of the smoke alarm shell can be sprayed and colored, which improves work efficiency and is convenient.

Description

Technical Field

[0001] The invention relates to a coloring device, in particular to a paint spraying and coloring device for a smoke alarm shell. Background Art

[0002] In the production process of smoke alarms, a plastic shell is required, which is processed into a smoke alarm shell, and then the smoke alarm is painted.

[0003] A Chinese patent with publication number CN111097627A discloses a plastic shell painting device, including a base, a control panel, an isolation cover, a paint spraying mechanism and a fixing mechanism. The fixing mechanism is arranged at the inner bottom of the isolation cover to fix the plastic shell. The fixing mechanism includes a processing table and a clamping assembly. The paint spraying mechanism is arranged above the fixing mechanism to paint the plastic shell. The paint spraying mechanism includes a nozzle, a storage barrel, a piston rod and an extrusion assembly. The clamping assembly and the extrusion assembly are both electrically connected to the control panel. Although the above patent can paint the smoke alarm shell, it only paints the outer side of the smoke alarm shell and cannot paint the inner side. An additional process is required to paint the inner side, resulting in low work efficiency and trouble.

[0004] The present invention aims to solve the problems existing in the above patents. To this end, a smoke alarm shell spraying and coloring device is proposed, which can spray paint the inside and outside of the smoke alarm shell, improve work efficiency, and is relatively convenient. Summary of the Invention

[0005] In order to overcome the disadvantages of only spray painting the outside of the smoke alarm shell and not the inside, which requires an additional process to spray paint the inside, resulting in low work efficiency and trouble, the present invention provides a smoke alarm shell spray painting device that can spray paint both the inside and the outside of the smoke alarm shell, improves work efficiency, and is relatively convenient.

[0006] The present invention is achieved through the following technical approaches:

[0007] A device for spraying and coloring the shell of a smoke alarm includes a cylinder, a support frame, an anti-slip rubber plate, a sealing plate, a liquid storage tank and a paint spraying assembly. The support frame is fixedly connected to the left and right sides of the outer bottom of the cylinder symmetrically, and the bottoms of the left and right support frames are fixedly connected to the anti-slip rubber plates. The upper front part of the cylinder is rotatably connected to the sealing plate, the upper rear part of the cylinder is connected to the liquid storage tank, and a paint spraying assembly for spraying paint is provided between the liquid storage tank and the top of the cylinder. It also includes a driving mechanism and a clamping mechanism. The cylinder is provided with a driving mechanism for rotating the smoke alarm shell, and the driving mechanism is provided with a clamping mechanism for clamping the smoke alarm shell.

[0008] Further description, a handle is also included, and the handle is fixedly connected to the middle of the lower part of the front side of the sealing plate.

[0009] Further explanation, the driving mechanism includes a servo motor, a rotating shaft and a positioning base. The rotating shafts are rotatably connected to the center positions of the left and right sides of the cylinder. A positioning base is fixed between the inner ends of the left and right rotating shafts to drive the clamping mechanism to rotate forward. A servo motor is fixed to the right side of the outer rear side of the cylinder, and the output shaft of the servo motor and the right side of the right rotating shaft are transmitted through a synchronous belt assembly.

[0010] Further explanation, the clamping mechanism includes a clamping frame, a movable frame and a first spring. The movable frames are slidably connected to the front and rear sides of the positioning base frame. The inner ends of the front and rear movable frames are fixed with clamping frames for clamping the smoke alarm housing. Four first springs are evenly spaced and connected to the inner sides of the front and rear movable frames and the front and rear side surfaces of the positioning base frame.

[0011] Further explanation, it also includes a locking mechanism for allowing the clamping frame to further clamp the smoke alarm housing. The locking mechanism includes an electromagnetic guide rail, a magnetic ring, a positioning guide rail, a roller and a guide rod. The outer side surfaces of the front and rear clamping frames are symmetrically fixed with guide rods. The four guide rods slide through the positioning base frame. The outer ends of the four guide rods are rotatably connected to the rollers. The left and right side surfaces of the cylinder are fixed with electromagnetic guide rails. The electromagnetic guide rails are rotatably connected to the magnetic rings. The magnetic rings are magnetically adsorbed to the electromagnetic guide rails. The left and right magnetic rings are fixed with positioning guide rails for driving the rollers to move inward, and the positioning guide rails are in contact with the rollers.

[0012] Further description, also includes a guide mechanism for uniformly guiding the paint, the guide mechanism includes a cam, a contact frame, a second spring, a guide rod, a wedge frame, a slotted positioning frame, a limit base, a guide plate, a limit frame and a positioning spring, the top of the cylinder is fixed with a limit frame, and nine guide plates for uniformly guiding the paint are rotatably connected between the lower parts of the front and rear sides of the limit frame at even intervals. The rear sides of the nine guide plates are fixed with a limit base, and a slotted positioning frame for driving the limit base to swing is slidably connected to the rear upper left side of the cylinder. The cam is fixedly mounted on the left side of the left rotating shaft to drive the contact frame to move.

[0013] Further explanation, it also includes a supporting mechanism for collecting fallen paint, the supporting mechanism includes a filter bottom plate and a collection plate, the filter bottom plate is fixedly connected to the bottom of the cylinder, and the collection plate for collecting fallen paint is clamped in the middle of the bottom of the cylinder, and the collection plate is located below the filter bottom plate.

[0014] Further explanation, it also includes a positioning mechanism for limiting the sealing plate, the positioning mechanism includes a locking short plate and a positioning short rod, the positioning short rod is fixedly connected symmetrically on the lower part of the front side of the sealing plate, and the locking short plate for limiting the positioning short rod is symmetrically connected to the front side of the cylinder body in a rotating manner, and the left and right locking short plates are respectively in contact with the left and right positioning short rods.

[0015] The present invention is significantly improved in that:

[0016] 1. Place the smoke alarm housing in the clamping mechanism and clamp it. Start the paint spraying assembly to spray paint on the smoke alarm housing to color it. Then start the driving mechanism. The driving mechanism drives the clamping mechanism to rotate forward. The forward rotation of the clamping mechanism drives the smoke alarm housing to rotate forward, so that the inside of the smoke alarm housing is sprayed with paint facing upward. In this way, the inside and outside of the smoke alarm housing can be sprayed with paint, which improves work efficiency and is convenient.

[0017] 2. Under the action of the locking mechanism, whenever the clamping frame drives the smoke alarm housing to rotate forward, the locking mechanism can enable the clamping frame to further clamp the smoke alarm housing to prevent the smoke alarm housing from loosening during the painting process, ensuring that the smoke alarm housing can be stably sprayed with paint.

[0018] 3. Under the action of the guide mechanism, whenever the smoke alarm shell is being sprayed with paint, the guide mechanism can evenly guide the sprayed paint, so that the paint can be sprayed more evenly on the smoke alarm shell, ensuring the quality of the spray painting. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a schematic diagram of the three-dimensional structure from the first viewing angle of the present invention.

[0020] Figure 2 This is a schematic diagram of the three-dimensional structure from a second viewing angle of the present invention.

[0021] Figure 3 This is a schematic diagram of a first partial cross-sectional structure of the present invention.

[0022] Figure 4 It is a partial cross-sectional structural schematic diagram of the driving mechanism of the present invention.

[0023] Figure 5 It is a partial cross-sectional structural schematic diagram of the clamping mechanism of the present invention.

[0024] Figure 6 This is a schematic diagram of a second partial cross-sectional structure of the present invention.

[0025] Figure 7 This is a schematic diagram of a first partial cross-sectional structure of the locking mechanism of the present invention.

[0026] Figure 8 This is a schematic diagram of a second partial cross-sectional structure of the locking mechanism of the present invention.

[0027] Figure 9 This is a schematic diagram of a third partial cross-sectional structure of the locking mechanism of the present invention.

[0028] Figure 10 This is a schematic diagram of a first partial cross-sectional structure of the guide mechanism of the present invention.

[0029] Figure 11 This is a schematic diagram of a second partial cross-sectional structure of the guide mechanism of the present invention.

[0030] Figure 12 This is a schematic diagram of a third partial cross-sectional structure of the present invention.

[0031] Figure 13 It is a partial cross-sectional structural schematic diagram of the supporting mechanism of the present invention.

[0032] Figure 14 It is a partial cross-sectional structural schematic diagram of the positioning mechanism of the present invention.

[0033] In the above figures: 1: cylinder, 2: support frame, 21: anti-slip rubber plate, 3: sealing plate, 4: handle, 5: liquid storage tank, 6: paint spray assembly, 7: driving mechanism, 71: servo motor, 72: rotating shaft, 73: positioning chassis, 8: clamping mechanism, 81: clamping frame, 82: movable frame, 83: first spring, 9: locking mechanism, 91: electromagnetic guide rail, 92: magnetic ring, 93: positioning guide rail, 94: roller, 95: guide Rod, 10: Guide mechanism, 101: Cam, 102: Contact frame, 103: Second spring, 104: Guide rod, 105: Wedge frame, 106: Slotted positioning frame, 107: Limit base, 108: Guide plate, 109: Limit frame, 1010: Positioning spring, 11: Support mechanism, 111: Filter bottom plate, 112: Collecting plate, 12: Positioning mechanism, 121: Locking short plate, 122: Positioning short rod. DETAILED DESCRIPTION

[0034] First of all, it should be noted that in the various described embodiments, identical components are provided with identical reference numerals or identical component names, wherein the disclosure contained throughout the entire description can be transferred to the same components having the same reference numerals or identical component names. Positional designations selected in the description, such as top, bottom, lateral, etc., also refer to the directly described and illustrated figures and are transferred to the new position in the event of a change in position.

[0035] Example 1

[0036] A smoke alarm shell painting device includes a cylinder 1, a support frame 2, an anti-slip rubber plate 21, a sealing plate 3, a liquid storage tank 5, a paint spraying component 6, a driving mechanism 7 and a clamping mechanism 8. Figure 1-Figure 5 As shown, the outer bottom of the cylinder 1 is symmetrically fixed with a support frame 2, and the bottom of the left and right support frames 2 are fixed with an anti-slip rubber plate 21. The upper front part of the cylinder 1 is rotatably connected with a sealing plate 3, and the sealing plate 3 can seal the inside of the cylinder 1. The upper rear part of the cylinder 1 is connected to a liquid storage tank 5, and a paint spraying assembly 6 is arranged between the liquid storage tank 5 and the top of the cylinder 1. When the paint spraying assembly 6 is started, the paint spraying assembly 6 can spray the paint. A driving mechanism 7 is provided on the cylinder 1. When the driving mechanism 7 is in operation, the driving mechanism 7 can rotate the smoke alarm housing. A clamping mechanism 8 is provided on the driving mechanism 7, and the clamping mechanism 8 can clamp the smoke alarm housing.

[0037] Also includes a handle 4, see Figure 1 As shown, a handle 4 is fixedly connected to the middle of the lower part of the front side of the sealing plate 3.

[0038] The driving mechanism 7 includes a servo motor 71, a rotating shaft 72 and a positioning base 73, see Figure 3 and Figure 4 As shown, the left and right center positions of the cylinder 1 are rotatably connected with rotating shafts 72, and the inner ends of the left and right rotating shafts 72 are installed with positioning bases 73 by bolt connection. When the positioning base 73 rotates forward, the positioning base 73 can drive the clamping mechanism 8 to rotate forward. A servo motor 71 is fixedly connected to the right side of the outer rear side of the cylinder 1, and the output shaft of the servo motor 71 and the right side of the right rotating shaft 72 are driven by a synchronous belt assembly.

[0039] The clamping mechanism 8 includes a clamping frame 81, a movable frame 82 and a first spring 83. Figure 3 and Figure 5As shown, movable frames 82 are slidably connected to the front and rear sides of the positioning base frame 73, and the inner ends of the movable frames 82 on both sides are fixedly connected to clamping frames 81. When the smoke alarm housing is placed in the clamping frames 81, the clamping frames 81 can clamp the smoke alarm housing. Four first springs 83 are evenly spaced and connected between the inner side surfaces of the front and rear movable frames 82 and the outer front and rear side surfaces of the positioning base frame 73.

[0040] First, pull the handle 4 to drive the sealing plate 3 to swing upward and open. Due to the function of the handle 4, people can pull the sealing plate 3 to open it better, and then place the five smoke alarm shells in the clamping mechanism 8 to be clamped, pull the sealing plate 3 to swing downward and reset to seal the cylinder 1, and then add an appropriate amount of paint into the liquid storage tank 5, start the paint spraying assembly 6, and the paint spraying assembly 6 operates to spray the paint. The paint is sprayed on the five smoke alarm shells for coloring. At the same time, start the driving mechanism 7, and the driving mechanism 7 operates to drive the clamping mechanism 8 to rotate forward. The clamping mechanism 8 rotates forward to drive the five smoke alarm shells to rotate forward. The five smoke alarm shells rotate forward so that the inner side faces upward, and the paint is sprayed on the inside of the smoke alarm shell for coloring. In this way, both the outside and the inside can be sprayed with paint, and the paint is sprayed on the whole. There is no need to repeatedly operate to spray the inside, thereby improving work efficiency. When the smoke alarm housing is completely painted, the driving mechanism 7 is turned off, the driving mechanism 7 stops driving the clamping mechanism 8 to rotate forward, the clamping mechanism 8 stops driving the five smoke alarm housings to rotate forward, the paint spraying assembly 6 is turned off, the paint stops spraying, and the sealing plate 3 is pulled upward to swing open, and the five smoke alarm housings that have been painted can be removed from the clamping mechanism 8. This process is repeated to continuously paint the smoke alarm housing.

[0041] When the spray assembly is activated to spray paint onto the smoke alarm housing, the servo motor 71 is activated to rotate forward. This forward rotation of the servo motor 71 drives the right rotating shaft 72 forward via the timing belt assembly. The right rotating shaft 72 rotates forward via the left rotating shaft 72, which in turn drives the positioning chassis 73 forward. The positioning chassis 73 rotates forward, which in turn drives the clamping mechanism 8 forward. The clamping mechanism 8 rotates forward, causing the five smoke alarm housings to rotate forward and be completely painted. When all five smoke alarm housings are painted, the servo motor 71 is turned off, the rotating shaft 72 stops driving the positioning chassis 73 forward, the positioning chassis 73 stops driving the clamping mechanism 8 forward, and the five smoke alarm housings also stop rotating forward.

[0042] After the sealing plate 3 is opened, the five smoke alarm housings are placed between the front and rear clamping frames 81. Due to the action of the first spring 83, the front and rear clamping frames 81 clamp the five smoke alarm housings securely, and then the painting of the smoke alarm housings can begin. When the servo motor 71 is started, the positioning chassis 73 rotates forward, driving the front and rear movable frames 82 to rotate forward. The front and rear movable frames 82 rotate forward, driving the front and rear clamping frames 81 to rotate forward. The front and rear clamping frames 81 rotate forward, driving the five smoke alarm housings to rotate forward, and the five smoke alarm housings are fully painted. When the five smoke alarm housings are completely painted, the servo motor 71 is turned off, the positioning chassis 73 stops driving the front and rear movable frames 82 to rotate forward, and the front and rear clamping frames 81 also stop driving the five smoke alarm housings to rotate forward. When the sealing plate 3 is opened, the five painted smoke alarm housings can be removed.

[0043] Example 2

[0044] On the basis of embodiment 1, a locking mechanism 9 is further included. The locking mechanism 9 includes an electromagnetic guide rail 91, a magnetic ring 92, a positioning guide rail 93, a roller 94 and a guide rod 95. Figure 6-Figure 9 As shown, the outer side surfaces of the front and rear clamping frames 81 are symmetrically fixed with guide rods 95, and the four guide rods 95 slide through the positioning base frame 73. The outer ends of the four guide rods 95 are rotatably connected to rollers 94. Electromagnetic guide rails 91 are installed on the left and right side surfaces of the cylinder 1 by bolt connection. A magnetic ring 92 is rotatably connected to the electromagnetic guide rail 91, and the magnetic ring 92 is magnetically attracted to the electromagnetic guide rail 91. Positioning guide rails 93 are fixed to the magnetic rings 92 on the left and right sides, and the positioning guide rails 93 are in contact with the roller 94. When the roller 94 rotates forward, the positioning guide rail 93 can drive the roller 94 to move inward.

[0045] The guide mechanism 10 includes a cam 101, a contact frame 102, a second spring 103, a guide rod 104, a wedge frame 105, a slotted positioning frame 106, a limiting base 107, a guide plate 108, a limiting frame 109 and a positioning spring 1010. Figure 6 、 Figure 10 and Figure 11As shown, a limit frame 109 is installed on the top of the cylinder 1 by welding. Nine guide plates 108 are rotatably connected at even intervals between the lower parts of the front and rear sides of the limit frame 109. When the guide plates 108 swing, the guide plates 108 can guide the paint evenly. The rear sides of the nine guide plates 108 are fixed with a limit base 107. A slotted positioning frame 106 is slidably connected to the rear of the upper left side of the cylinder 1. The slotted positioning frame 106 is slidably mounted on the six limit bases 107. When the slotted positioning frame 106 moves, the slotted positioning frame 106 can drive the limit base 107 to swing. Two positioning springs 1010 are connected between the left side of the slotted positioning frame 106 and the left side of the cylinder 1. A wedge frame 105 is slidably connected to the upper left side surface of the cylinder 1, and the inclined surface of the wedge frame 105 is in contact with the slotted positioning frame 106. When the wedge frame 105 moves upward, the wedge frame 105 can drive the slotted positioning frame 106 to move to the left. A guide rod 104 is fixedly connected to the middle of the upper left side surface of the cylinder 1. A contact frame 102 is slidably mounted on the guide rod 104. The rear side of the contact frame 102 is fixedly connected to the front side of the wedge frame 105. A second spring 103 is connected between the contact frame 102 and the guide rod 104. A cam 101 is fixedly mounted on the left side of the left rotating shaft 72. The cam 101 is in contact with the contact frame 102. When the cam 101 rotates, the cam 101 can drive the contact frame 102 to move.

[0046] When the servo motor 71 starts to rotate forward, the electromagnetic guide rails 91 on the left and right sides can be started. The electromagnetic guide rails 91 on the left and right sides can attract the magnetic rings 92 on the left and right sides through magnetic force. The magnetic rings 92 on the left and right sides are limited, so that the positioning guide rails 93 on the left and right sides are limited. Then the front and rear clamping frames 81 rotate forward and also drive the four guide rods 95 to rotate forward. The four guide rods 95 rotate forward and drive the four rollers 94 to rotate forward. The four rollers 94 rotate forward and slide inside the positioning guide rails 93 on the left and right sides. The positioning guide rails 93 on the left and right sides drive the four rollers 94 to move inward. The four rollers 94 move inward. The front and rear clamping frames 81 are driven to move inwards through the four guide rods 95. The front and rear clamping frames 81 move inwards to clamp the smoke alarm housing more firmly, and the front and rear clamping frames 81 stop moving inwards. The front and rear clamping frames 81 stop moving inwards through the four guide rods 95. The four rollers 94 continue to rotate forward, which drives the left and right positioning rails 93 to rotate forward. The left and right positioning rails 93 rotate forward, which drives the left and right magnetic rings 92 to rotate forward. The left and right magnetic rings 92 rotate forward on the left and right electromagnetic rails 91. When all five smoke alarm housings are painted, the servo motor 71 and the left and right electromagnetic guide rails 91 are turned off. The front and rear clamping frames 81 stop rotating forward, driving the four rollers 94 via the four guide rods 95. The left and right positioning rails 93 also stop rotating the left and right magnetic rings 92 forward. Since the left and right electromagnetic guide rails 91 are turned off, there is no magnetic force holding the left and right magnetic rings 92. The two clamping frames 81 move outward to reset, driving the four rollers 94 outward via the four guide rods 95. The reset of the four rollers 94 causes the left and right positioning rails 93 to rotate a certain distance, which in turn causes the left and right magnetic rings 92 to rotate a certain distance. This prevents the smoke alarm housings from loosening during the painting process and ensures that the smoke alarm housings can be spray-painted securely.

[0047] Initially, the positioning spring 1010 is in a compressed state, and the second spring 103 is in a stretched state. When the servo motor 71 is started, the left rotating shaft 72 rotates forward to drive the cam 101 to rotate forward. The forward rotation of the cam 101 causes the convex end to disengage from the contact frame 102. Due to the action of the second spring 103, the contact frame 102 moves downward to reset and drives the wedge frame 105 to move downward to reset. The reset of the wedge frame 105 does not limit the slotted positioning frame 106. Due to the action of the positioning spring 1010, the slotted positioning frame 106 moves to the right and drives the nine limiting bases 107 to swing to the right. The nine limiting bases 107 swing to the right and drive the nine guide plates 108 to swing to the right. When As cam 101 continues to rotate forward, causing the protruding end to continue to contact contact frame 102, cam 101 drives contact frame 102 upward, stretching second spring 103. Contact frame 102 moves upward, driving wedge frame 105 upward. The upward movement of wedge frame 105 drives slotted positioning frame 106 leftward. The leftward movement of slotted positioning frame 106 drives nine limit bases 107 to swing leftward. The leftward swing of nine limit bases 107 drives nine guide plates 108 to swing leftward. This process repeats, causing nine guide plates 108 to continuously swing left and right. When paint spray assembly 6 sprays paint, nine guide plates 108 swing left and right to evenly guide the paint. When the smoke alarm housing is painted, servo motor 71 is turned off, the left shaft 72 stops driving cam 101 forward, contact frame 102 stops moving up and down, and the nine guide plates 108 also stop swinging left and right. In this way, the guide plate 108 guides the paint evenly, so that the paint can be sprayed more evenly on the smoke alarm housing, ensuring the quality of the paint spraying.

[0048] Example 3

[0049] On the basis of embodiment 1 and embodiment 2, a supporting mechanism 11 is further included. The supporting mechanism 11 includes a filter bottom plate 111 and a collecting plate 112. Figure 12 and Figure 13 As shown, a filtering bottom plate 111 is fixedly connected to the bottom of the cylinder 1, and a collecting plate 112 is clamped in the middle of the bottom of the cylinder 1. The collecting plate 112 is located below the filtering bottom plate 111, and the collecting plate 112 can collect the fallen paint.

[0050] The positioning mechanism 12 is also included. The positioning mechanism 12 includes a locking short plate 121 and a positioning short rod 122. Figure 12 and Figure 14 As shown, a positioning short rod 122 is fixedly connected symmetrically on the left and right lower part of the front side of the sealing plate 3, and a locking short plate 121 is rotatably connected on the left and right outer front side of the cylinder 1. The left and right locking short plates 121 are respectively in contact with the left and right positioning short rods 122, and the locking short plates 121 can limit the positioning short rod 122.

[0051] When the smoke alarm housing is being painted, excess paint will fall onto the filter base plate 111, and the paint on the filter base plate 111 will fall into the collecting plate 112. When the collecting plate 112 is filled with an appropriate amount of paint, the collecting plate 112 will be removed from the cylinder 1 to reuse the paint. After all the paint has been poured out, the collecting plate 112 will be snapped back onto the cylinder 1. In this way, the fallen paint can be recycled to avoid paint waste.

[0052] When the smoke alarm shell needs to be inserted, the left and right locking short plates 121 are pulled downward to swing out of contact with the left and right positioning short rods 122. The left and right positioning short rods 122 stop being limited, and the sealing plate 3 can be pulled upward to swing open. When the sealing plate 3 swings downward to close, the left and right locking short plates 121 are pulled upward to swing back to reset and continue to limit the left and right positioning short rods 122, so that the sealing plate 3 is limited, avoiding the sealing plate 3 from being accidentally opened during the painting process, causing paint to spread from the cylinder 1.

[0053] Finally, it is necessary to point out that the above content is only used to help understand the technical solution of the present invention and cannot be understood as limiting the scope of protection of the present invention; non-essential improvements and adjustments made by technical personnel in this field based on the above content of the present invention are all within the scope of protection required by the present invention.

Claims

1. A device for spraying paint on the shell of a smoke alarm, comprising a cylinder (1), a support frame (2), an anti-skid rubber plate (21), a sealing plate (3), a liquid storage tank (5) and a paint spraying assembly (6), wherein the outer bottom of the cylinder (1) is fixedly connected to the support frame (2) symmetrically on the left and right sides, and the bottoms of the left and right support frames (2) are fixedly connected to the anti-skid rubber plate (21), the upper front part of the cylinder (1) is rotatably connected to the sealing plate (3), the upper rear part of the cylinder (1) is connected to the liquid storage tank (5), and a paint spraying assembly (6) for spraying paint is provided between the liquid storage tank (5) and the top of the cylinder (1), wherein the device is characterized in that: The invention also includes a driving mechanism (7) and a clamping mechanism (8). The cylinder (1) is provided with a driving mechanism (7) for rotating the shell of the smoke alarm, and the driving mechanism (7) is provided with a clamping mechanism (8) for clamping the shell of the smoke alarm. The driving mechanism (7) includes a servo motor (71), a rotating shaft (72) and a positioning base (73). The rotating shafts (72) are rotatably connected to the center positions of the left and right sides of the cylinder (1). The positioning base (73) for driving the clamping mechanism (8) to rotate forward is fixedly connected between the inner ends of the left and right rotating shafts (72). The servo motor (71) is fixedly connected to the right side of the outer rear side of the cylinder (1). The output shaft of the servo motor (71) and the right side of the right rotating shaft (72) are driven by a synchronous belt assembly. The clamping mechanism (8) includes a clamping frame (81), a movable frame (82) and a first spring (83). The movable frames (82) are slidably connected to the front and rear sides of the positioning base frame (73). The inner ends of the front and rear movable frames (82) are fixedly connected to the clamping frames (81) for clamping the smoke alarm housing. Four first springs (83) are evenly spaced and connected to the inner sides of the front and rear movable frames (82) and the outer front and rear sides of the positioning base frame (73). The invention also includes a locking mechanism (9) for enabling the clamping frame (81) to further clamp the smoke alarm housing. The locking mechanism (9) includes an electromagnetic guide rail (91), a magnetic ring (92), a positioning guide rail (93), a roller (94) and a guide rod (95). The outer side surfaces of the front and rear clamping frames (81) are both symmetrically fixed with guide rods (95). The four guide rods (95) slide through the positioning base frame (73). The outer ends of the four guide rods (95) are all rotatably connected with the roller (94). The left and right side surfaces of the cylinder (1) are both fixed with electromagnetic guide rails (91). The electromagnetic guide rail (91) is rotatably connected with a magnetic ring (92). The magnetic ring (92) and the electromagnetic guide rail (91) are magnetically attracted. The magnetic rings (92) on the left and right sides are fixed with positioning guide rails (93) for driving the roller (94) to move inward. The positioning guide rails (93) are in contact with the roller (94). The invention also includes a guide mechanism (10) for uniformly guiding the paint, wherein the guide mechanism (10) includes a cam (101), a contact frame (102), a second spring (103), a guide rod (104), a wedge frame (105), a slotted positioning frame (106), a limiting base (107), a guide plate (108), a limiting frame (109) and a positioning spring (1010). The top of the cylinder (1) is fixedly connected to the limiting frame (109). Nine guide plates (108) for uniformly guiding the paint are rotatably connected between the lower parts of the front and rear sides of the limiting frame (109). The rear sides of the nine guide plates (108) are fixedly fitted with the limiting base (107). The upper left rear side of the cylinder (1) is slidably connected to drive the limiting frame (109). The slotted positioning frame (106) swings on the limiting base (107), and the slotted positioning frame (106) is slidably mounted on the nine limiting bases (107). Two positioning springs (1010) are connected between the left side of the slotted positioning frame (106) and the inner left side of the cylinder (1). The upper part of the outer left side of the cylinder (1) is slidably connected with a wedge frame (105) for driving the slotted positioning frame (106) to move leftward. The inclined surface of the wedge frame (105) contacts the slotted positioning frame (106). A guide rod (104) is fixedly connected to the middle of the upper part of the outer left side of the cylinder (1). A contact frame (102) is slidably mounted on the guide rod (104). The rear side of the contact frame (102) is fixedly connected to the front side of the wedge frame (105). The contact frame (102) A second spring (103) is connected to the guide rod (104). A cam (101) for driving the contact frame (102) to move is fixedly sleeved on the left side of the left rotating shaft (72). The cam (101) contacts the contact frame (102).

2. A smoke alarm housing spray paint coloring device according to claim 1, characterized in that: It also includes a handle (4), which is fixedly connected to the middle of the lower part of the front side of the sealing plate (3).

3. A smoke alarm housing spray paint coloring device according to claim 2, characterized in that: The invention also includes a supporting mechanism (11) for collecting fallen paint, wherein the supporting mechanism (11) includes a filtering bottom plate (111) and a collecting plate (112). The filtering bottom plate (111) is fixedly connected to the bottom of the cylinder (1), and the collecting plate (112) for collecting fallen paint is clamped in the middle of the bottom of the cylinder (1). The collecting plate (112) is located below the filtering bottom plate (111).

4. A smoke alarm housing spray paint coloring device according to claim 3, characterized in that: The sealing plate (3) is also provided with a positioning mechanism (12) for limiting the position of the sealing plate (3). The positioning mechanism (12) includes a locking short plate (121) and a positioning short rod (122). The positioning short rod (122) is fixedly connected to the lower portion of the front side of the sealing plate (3) in a left-right symmetrical manner. The outer front side of the cylinder (1) is rotatably connected to a locking short plate (121) for limiting the positioning short rod (122). The left and right locking short plates (121) are in contact with the left and right positioning short rods (122) respectively.

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