Feeding auxiliary mechanism for mask cutting machine

Abstract

The utility model relates to the technical field of facial mask processing, and discloses a feeding auxiliary mechanism for a facial mask cutting machine, which comprises a rack, the front end of the rack is fixedly connected with a fixing plate, the front end of the fixing plate is fixedly connected with a stepping motor, the driving end of the stepping motor penetrates through the fixing plate and is fixedly connected with a rotating shaft, the rotating shaft penetrates through the inside of the rack, and the rotating shaft is fixedly connected with a rotating shaft. Supporting plates are fixedly connected to the outer sides of the two ends of the rotating shaft, connecting rods penetrate through the other ends of the two supporting plates, a base is fixedly connected to one ends of the two connecting rods, first springs are arranged on the outer sides of the two connecting rods, and one ends of the two first springs are fixedly connected to the adjacent sides of the supporting plates. According to the mask fixing device, the connecting rods are pulled towards the two sides, the bases are driven to move towards the supporting plate through movement of the connecting rods, the distance between the two bases is adjusted through compression and release of the first spring, and then masks with different widths are limited and fixed.

Description

TECHNICAL FIELD

[0001] The utility model relates to face mask processing technical field especially, a kind of feeding auxiliary mechanism for face mask cutting machine. BACKGROUND

[0002] Face mask is a kind of product for skin care, usually it is a kind of viscous or gelatinous substance, is applied on face or neck skin, and is washed away after remaining a period of time, and in the process of face mask production and processing, it needs to be cut and then the cooperation of cutting machine is needed, and when cutting face mask by cutting machine, feeding auxiliary tooling is needed, the face mask to be cut is fed, and feeding auxiliary tooling is a tool or equipment for assisting feeding operation in industrial production.

[0003] Through retrieval, Chinese patent publication No. CN215666227U discloses a face mask cutting machine feeding device, relating to face mask manufacturing technical field, which is arranged on the machine body, one end of the machine body is the feeding end, the other end is the discharging end, the machine body includes a transmission belt rotatably connected at the discharging end and arranged along the length direction of the machine body, a feeding rod arranged at the feeding end of the machine body and at both ends of the machine body along its width direction, a connecting rod hingedly connected with the two feeding rods at one end, two groups of driving assemblies, and a unwinding roller. The ends of the two feeding rods hingedly connected with the connecting rod are respectively hingedly connected with the side walls of the machine body. The two groups of driving assemblies drive the connecting rod to rotate. The machine body is provided with a fixed plate for placing the unwinding roller at both ends along its width direction. The application has the effect of facilitating feeding and improving work efficiency, but when feeding the face mask roller, the distance between the two feeding rods is fixed, and when feeding the face mask roller of different widths, the feeding rod is not convenient to adjust with the width of the face mask. SUMMARY

[0004] To make up for the above shortcomings, the utility model provides a kind of feeding auxiliary mechanism for face mask cutting machine, to improve the distance between the two feeding rods in prior art is fixed, not convenient to adjust feeding rod according to the width of face mask, so as to not convenient to feed face mask of different widths.

[0005] In order to achieve the above object, the utility model discloses the following technical scheme: a face mask cutting machine is with the auxiliary mechanism of feeding, including the frame, the fixed plate is fixedly connected with the front end of the frame, the fixed plate front end fixedly connected with the step motor, the step motor drive end penetrates fixed plate and is fixedly connected with the pivot, the pivot is penetrated in the inside of the frame, the both ends outside of the pivot are fixedly connected with the support plate, two The other end of two support plates is penetrated and is connected with the connecting rod, two The one end of two connecting rods is fixedly connected with the base, two The outside of two connecting rods is provided with spring no. 1, two Spring no. 1 one end is fixedly connected on the adjacent side of support plate, two Spring no. 1 the other end is fixedly connected on the side of the base that is far away, two The top of two bases is provided with the fixed ring, two The adjacent side of two bases is provided with the winding roller, two The bottom of both sides of two fixed rings is provided with the slot, two The top of both sides of two bases is fixedly connected with the plug-in block, the one end of multiple plug-in blocks that is far away from the base is slidably connected in the inside of the slot, two Both sides of two bases are fixedly connected with the extension plate, two The one side of two extension plates is fixedly connected with the slide rod, multiple The other end of the slide rod is penetrated through the top of both sides of the support plate, the top of the frame is provided with the adjusting mechanism.

[0006] Through the above technical scheme: respectively to two sides pull connecting rod, use the movement of connecting rod to drive the base to move to the support plate, to reach the adjustment distance between two bases, the effect of fixed feeding of different width face masks.

[0007] As a further description of the above technical scheme:

[0008] The adjusting mechanism includes two fixed rods, two The front and back sides of the top of the frame are fixedly connected with the fixed rod, two The top of the adjacent side of the fixed rod is provided with the recess, two The inside of the recess is slidably connected with the push block, two The adjacent side of the push block is rotatably connected with the compression roller, two The top of the fixed rod is fixedly connected with the servo motor, two The drive end of the servo motor is penetrated through the top wall in the recess and is fixedly connected with the threaded rod, two The middle outside of the threaded rod is threadedly connected in the inside of the push block.

[0009] Through the above technical scheme: through the servo motor drive threaded rod to drive the push block to move in the recess, and use the movement of recess to make the compression roller move upwards, to reach the distance between the distance between the roller and the compression roller.

[0010] As a further description of the above technical scheme:

[0011] The front side of the fixed rod is fixedly connected with the motor on the front side of the bottom, the drive end of the motor is penetrated through the fixed rod and is fixedly connected with the limit rod, the outside of the limit rod is fixedly connected with the roller.

[0012] Through the technical scheme, the powerful motor drives the limiting rod to rotate the roller, generates great power, and pushes the mask to move forward, thereby feeding the mask.

[0013] As a further description of the above technical scheme:

[0014] A plurality of installation grooves are arranged on one side of the inner wall of each of the plurality of insertion grooves, a plurality of fixed blocks are slidably connected inside the plurality of installation grooves, a plurality of pull rods are fixedly connected to one side of the plurality of fixed blocks, a plurality of springs are arranged on the outer side of the plurality of pull rods, a plurality of fixed grooves are arranged on the side away from the insertion block of each of the plurality of insertion blocks, and one end of the plurality of fixed blocks away from the pull rod is slidably connected inside the fixed groove.

[0015] Through the technical scheme, the fixed ring is placed on the top end of the base, and the insertion block is extended into the insertion groove. Then, the fixed block is pushed into the fixed groove by the spring, thereby fixing the winding roller.

[0016] As a further description of the above technical scheme:

[0017] One end of each of the plurality of springs is fixedly connected to one side of the inner wall of the installation groove, and the other end of each of the plurality of springs is fixedly connected to one end of the fixed block close to the pull rod.

[0018] Through the technical scheme, after the insertion block is extended into the insertion groove, the fixed block can be pushed into the fixed groove by the spring, thereby fixing the insertion block to the insertion groove, and realizing the connection of the fixed ring and the base.

[0019] As a further description of the above technical scheme:

[0020] The front end of the rack is fixedly connected with an electric guide rail, the electric guide rail is slidably connected with a sliding block inside, and the other end of the sliding block is fixedly connected with a limiting seat.

[0021] Through the technical scheme, after the support plate is reset, the sliding block can be moved upward by the electric guide rail, thereby enabling the limiting seat to move to the bottom end of the support plate and limiting it.

[0022] As a further description of the above technical scheme:

[0023] A slot is arranged on one side of the top end of the rack, and a conveyor belt is arranged inside the slot.

[0024] Through the technical scheme, after the roller and the compression roller take the mask from the winding roller, it will fall to the top end of the conveyor belt. The mask can continue to move forward by the conveyor belt, thereby enabling the staff to cut it.

[0025] As a further description of the above technical scheme:

[0026] The inner bottom wall of the rack is fixedly connected with a water tank, the rear end of the water tank is fixedly connected with a water pump, the other end of the water pump is communicated with a hose, the other end of the hose is communicated with a spray head, the rear end of the spray head is clamped with a clasp ring, the clasp ring is fixedly connected to the middle part of the rear end of the rack, the front end of the water tank is provided with a through hole, and the through hole is slidably connected with a plug.

[0027] Through the above technical scheme: after injecting clean water into the water tank through the through hole, the clean water is transported into the spray head by the water pump and the hose, at this time, the staff can take out the spray head from the clasp ring, and spray the clean water in the hose to the outer side of the compression roller and the roller, so as to clean the compression roller and the roller, and prevent the surface of the compression roller and the roller from being scratched when rolling the film.

[0028] The utility model has the advantages of:

[0029] 1. In the utility model, the support plate is rotated away from the case by the stepping motor, the connecting rod is pulled to the rear two sides, the movement of the connecting rod drives the base to move to the support plate, the interval between the two bases is adjusted by the compression and release of the spring, and the face mask of different widths is fixed and limited.

[0030] 2. In the utility model, the threaded rod is rotated by the servo motor, the movement of the push block in the groove is pushed by the rotation of the threaded rod, and the compression roller is moved upward by the movement of the push block, so as to adjust the distance between the roller and the compression roller, and roll the face mask of different thicknesses. DRAWINGS

[0031] Figure 1 A three-dimensional view of the feeding auxiliary mechanism for the face mask cutting machine is provided for the utility model;

[0032] Figure 2 A support plate structure diagram of the feeding auxiliary mechanism for the face mask cutting machine is provided for the utility model;

[0033] Figure 3 A base structure diagram of the feeding auxiliary mechanism for the face mask cutting machine is provided for the utility model;

[0034] Figure 4 A fixed rod diagram of the feeding auxiliary mechanism for the face mask cutting machine is provided for the utility model;

[0035] Figure 5 A rack structure diagram of the feeding auxiliary mechanism for the face mask cutting machine is provided for the utility model;

[0036] Figure 6 A water tank structure diagram of the feeding auxiliary mechanism for the face mask cutting machine is provided for the utility model.

[0037] Legend:

[0038] 1, rack; 2, adjusting mechanism; 201, motor; 202, fixed rod; 203, servo motor; 204, compression roller; 205, groove; 206, push block; 207, threaded rod; 208, limiting rod; 209, roller; 3, fixed ring; 4, winding roller; 5, support plate; 6, limiting seat; 7, sliding block; 8, electric guide rail; 9, water tank; 10, through hole; 11, stepping motor; 12, shaft; 13, extension plate; 14, base; 15, spring one; 16, connecting rod; 17, sliding rod; 18, plug; 19, fixed groove; 20, spring two; 21, slot; 22, fixed block; 23, nozzle; 24, conveyor belt; 25, slot; 26, water pump; 27, hose; 28, snap ring; 29, plug; 30, mounting groove; 31, fixed plate; 32, pull rod. DETAILED DESCRIPTION

[0039] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0040] With reference to Figure 1 , Figure 2 and Figure 5 , the utility model provides an embodiment: a kind of feeding auxiliary mechanism for mask cutting machine, including rack 1, fixed plate 31 is fixedly connected in the front end of rack 1, fixed plate 31 front end is fixedly connected with stepping motor 11, and the driving end of stepping motor 11 is fixedly connected with shaft 12 and is connected through fixed plate 31, shaft 12 is connected in the inside of rack 1, and the outer side of both ends of shaft 12 is fixedly connected with support plate 5, two support plates 5 other end are connected with connecting rod 16, and one end of two connecting rods 16 is fixedly connected with base 14, and the outer side of two connecting rods 16 is provided with spring one 15, one end of two spring one 15 is fixedly connected in adjacent side of support plate 5, and the other end of two spring one 15 is fixedly connected in side of base 14 far away, and the top of two base 14 is provided with fixed ring 3, and the adjacent side of two base 14 is provided with winding roller 4.

[0041] Specifically, the rotation of the rotating shaft 12 is driven by the stepping motor 11, and the support plate 5 is rotated away from the rack 1. When the top end of the support plate 5 is rotated to a position close to the ground, the fixed block 22 can be pulled out of the fixed groove 19. This operation makes the fixed ring 3 can be removed from the base 14, and prepares for the next operation. At the same time, the fixed ring 3 can be lifted up, and the plug block 18 can be taken out of the plug groove 21. This operation makes the plug block 18 can be easily taken out, and provides convenience for subsequent work. Next, the winding roller 4 wound with facial mask is placed in the base 14, and the fixed ring 3 and the plug block 18 are reset. This operation makes the winding roller 4 can be correctly installed in the base 14, and provides a stable foundation for subsequent work. Finally, the fixed block 22 is pushed into the fixed groove 19 by the spring 20, so as to fix the winding roller 4. This operation makes the winding roller 4 can be limited in the base 14 and the fixed ring 3, and provides reliable guarantee for subsequent work. At the same time, the support plate 5 is reset by the stepping motor 11 driving the rotating shaft 12. This operation makes the support plate 5 can return to the original position.

[0042] With reference to Figure 1 And Figure 4 The top end of the rack 1 is provided with an adjusting mechanism 2. The adjusting mechanism 2 comprises two fixed rods 202, which are fixedly connected to the front and rear sides of the top end of the rack 1. The top end of each of the two fixed rods 202 is provided with a groove 205, and a push block 206 is slidably connected in each of the two grooves 205. A compression roller 204 is rotatably connected to the side of each of the two push blocks 206. A servo motor 203 is fixedly connected to the top end of each of the two fixed rods 202. The driving end of each of the two servo motors 203 penetrates the top wall of the groove 205 and is fixedly connected with a threaded rod 207. The middle outer side of each of the two threaded rods 207 is screw-connected in the inside of the push block 206. The front side of the front side fixed rod 202 is fixedly connected with a motor 201. The driving end of the motor 201 penetrates the fixed rod 202 and is fixedly connected with a limiting rod 208. The outer side of the limiting rod 208 is fixedly connected with a roller 209.

[0043] Specifically, by driving the powerful motor 201, the limit rod 208 drives the roller 209 to rotate, generating a huge power to push the mask forward. This design ensures the stability and accuracy of the mask during movement. Meanwhile, the close cooperation between the pressure roller 204 and the roller 209 ensures the uniformity of the mask during movement. In order to adapt to masks of different thicknesses, the threaded rod 207 is driven to rotate by the servo motor 203. Through the rotation of the threaded rod 207, the push block 206 moves correspondingly in the groove 205. This design allows the pressure roller 204 to move upwards as needed, thereby adjusting the distance between the roller 209 and the pressure roller 204. This adjustment allows the pressure roller 204 to adapt to masks of different thicknesses, ensuring the accuracy and efficiency of the flattening process.

[0044] With reference to Figure 1 , the front end of the rack 1 is fixedly connected with an electric guide rail 8, and the electric guide rail 8 is slidably connected with a sliding block 7 inside. The other end of the sliding block 7 is fixedly connected with a limiting seat 6.

[0045] Specifically, after the support plate 5 is rotated to a certain angle towards the rack 1, the electric guide rail 8 will generate a strong pushing force through the motor and transmission mechanism inside, pushing the sliding block 7 to move upwards. This process is very precise and efficient because the design and manufacture of the electric guide rail 8 have undergone precise calculation and testing. When the sliding block 7 moves upwards to a certain position, the limiting seat 6 will also move to the bottom end of the support plate 5, at which time the limiting seat 6 will limit the support plate 5 to prevent it from rotating too much.

[0046] With reference to Figure 1 and Figure 6 , the inner bottom wall of the rack 1 is fixedly connected with a water tank 9, and the rear end of the water tank 9 is fixedly connected with a water pump 26. The other end of the water pump 26 is connected with a hose 27, and the other end of the hose 27 is connected with a spray head 23. The rear end of the spray head 23 is clamped with a clamping ring 28, which is fixedly connected to the middle of the rear end of the rack 1. The front end of the water tank 9 is provided with a through hole 10, and the through hole 10 is slidably connected with a plug 29 inside.

[0047] Specifically, after the plug 29 is taken out from the through hole 10, clean water is injected into the water tank 9. Through the cooperation of the water pump 26 and the hose 27, the clean water in the water tank 9 is delivered to the spray head 23. At this time, the staff can take out the spray head 23 from the clamping ring 28, and spray the clean water in the hose 27 to the outside of the pressure roller 204 and the roller 209. This can effectively clean the surface of the pressure roller 204 and the roller 209, preventing the mask from being scratched during flattening. Through this cleaning method, the quality and production efficiency of the mask can be effectively guaranteed, and the service life of the pressure roller 204 and the roller 209 can be prolonged, reducing the production cost.

[0048] With reference to Figure 3 , two bottom ends of the fixing ring 3 are provided with insertion slots 21, two top ends of the base 14 are fixedly connected with insertion blocks 18, the ends away from the base 14 of the insertion blocks 18 are slidably connected in the insertion slots 21, two sides of the base 14 are fixedly connected with extension plates 13, one side of each of the extension plates 13 is fixedly connected with a slide rod 17, the other ends of the slide rods 17 respectively pass through the top ends of the support plates 5, one side of the inner wall of each of the insertion slots 21 is provided with a mounting groove 30, each of the mounting grooves 30 is slidably connected with a fixing block 22, one side of the fixing block 22 is fixedly connected with a pull rod 32, the outer side of each of the pull rods 32 is provided with a spring 20, the side away from the insertion block 18 of each of the insertion blocks 18 is provided with a fixing groove 19, the end away from the pull rod 32 of each of the fixing blocks 22 is slidably connected in the fixing groove 19, one side of the inner wall of each of the mounting grooves 30 is fixedly connected with one end of the spring 20, the other end of each of the springs 20 is fixedly connected with the end of the fixing block 22 close to the pull rod 32, one side of the top end of the rack 1 is provided with a slot 25, and the slot 25 is provided with a conveying belt 24.

[0049] Specifically, the winding roller 4 wound with the facial mask is placed in the base 14, the base 14 not only provides stable support but also serves as the basis of the whole device, the winding roller 4 is designed ingeniously and can easily wind the facial mask to be neatly rolled on the roller, facilitating subsequent processing and feeding, next, the fixing ring 3 is reset with the insertion block 18, the fixing ring 3 is a semicircular structure, the base 14 can tightly fix the insertion block 18 in the insertion slot 21 of the fixing ring 3, ensuring the stability and firmness of the whole device, the insertion block 18 serves to connect the fixing ring 3 and the spring 20, so that the whole device can work cooperatively, then the fixing block 22 enters the fixing groove 19 under the pushing of the spring 20, so as to fix the winding roller 4, the spring 20 is designed very ingeniously, which can keep a contracted state when not in use, saving space, and can provide sufficient elastic force when in use, ensuring the stable insertion of the fixing block 22, the fixing groove 19 is designed to cooperate with the fixing block 22, which can ensure that the winding roller 4 does not deviate or slide when rolling, when we need to feed facial masks of different widths, the flexibility of the device is embodied, we can adjust the position of the fixing block 22 to adapt to facial masks of different widths, in this way, no matter how the width of the facial mask changes, we can ensure that the facial mask is neatly and uniformly wound on the winding roller 4.

[0050] Working principle: when the mask roll to be cut is fed, the rotating shaft 12 is driven to rotate by the stepping motor 11, the support plate 5 is rotated away from the frame 1, the fixed block 22 is pulled out of the fixed groove 19, the fixed ring 3 is lifted up, the plug block 18 is taken out of the plug groove 21, the winding roll 4 is placed into the base 14, the fixed ring 3 and the plug block 18 are reset, the fixed block 22 is pushed into the fixed groove 19 by the spring 20, and the winding roll 4 is fixed, when the mask of different width is fed, the connecting rod 16 is pulled to the two sides, the base 14 is moved to the support plate 5, and the distance between the two bases 14 is adjusted;

[0051] At the same time, the support plate 5 is reset by the rotating shaft 12, the mask is taken off from the winding roll 4, and the mask is stretched between the compression roller 204 and the roller 209, the roller 209 is rotated by the motor 201, and the mask is pushed forward.

[0052] The mask is flattened by the compression roller 204 and the roller 209, the screw rod 207 is rotated by the servo motor 203, the push block 206 is moved in the groove 205, the compression roller 204 is moved up, the distance between the roller 209 and the compression roller 204 is adjusted, and the mask of different thickness is flattened.

[0053] Finally, it should be noted that: the above only for the preferred embodiments of the utility model, and does not limit the utility model, although the utility model is described in detail with reference to the foregoing embodiments, for the person skilled in the art, it still can modify the technical scheme recorded in the foregoing each embodiment, or equivalent replacement to part of technical features, any modification, equivalent replacement, improvement etc. within the spirit and principles of the utility model, should be contained in the protection scope of the utility model.

Claims

1. A feeding auxiliary mechanism for a mask cutting machine, comprising a rack (1), characterized in that: The front end of the rack (1) is fixedly connected with a fixed plate (31), the front end of the fixed plate (31) is fixedly connected with a stepping motor (11), the driving end of the stepping motor (11) penetrates through the fixed plate (31) and is fixedly connected with a rotating shaft (12), the rotating shaft (12) penetrates through the inside of the rack (1), the outer sides of the two ends of the rotating shaft (12) are fixedly connected with support plates (5), two support plates (5) penetrate through connecting rods (16) at the other ends, the one ends of the two connecting rods (16) are fixedly connected with bases (14), the outer sides of the two connecting rods (16) are provided with springs (15), the one ends of the two springs (15) are fixedly connected with the adjacent sides of the support plates (5), the other ends of the two springs (15) are fixedly connected with the sides away from each other of the bases (14), the top ends of the two bases (14) are provided with fixed rings (3), the adjacent sides of the two bases (14) are provided with winding rollers (4), and the top end of the rack (1) is provided with an adjusting mechanism (2).

2. The feeding auxiliary mechanism for a mask cutting machine according to claim 1, characterized in that: The adjusting mechanism (2) comprises two fixed rods (202), the two fixed rods (202) are fixedly connected with the top end of the rack (1) on the front and back sides, recesses (205) are formed in the top ends of the adjacent sides of the two fixed rods (202), push blocks (206) are slidably connected in the recesses (205), pressure rollers (204) are rotatably connected to the adjacent sides of the two push blocks (206), servo motors (203) are fixedly connected with the top ends of the two fixed rods (202), threaded rods (207) are fixedly connected to the driving ends of the two servo motors (203) and penetrate through the top walls of the recesses (205), and the middle parts of the outer sides of the two threaded rods (207) are threadedly connected in the push blocks (206).

3. The feeding auxiliary mechanism for a mask cutting machine according to claim 2, characterized in that: The front side of the bottom end of the front side fixed rod (202) is fixedly connected with a motor (201), the driving end of the motor (201) penetrates through the fixed rod (202) and is fixedly connected with a limiting rod (208), and the outer side of the limiting rod (208) is fixedly connected with a roller (209).

4. The feeding auxiliary mechanism for a mask trimming machine according to claim 1, characterized in that: Both bottom ends of the two fixing rings (3) are provided with insertion grooves (21), both top ends of the two bases (14) are fixedly connected with insertion blocks (18), one end of the plurality of insertion blocks (18) away from the base (14) is slidably connected in the insertion groove (21), both sides of the two bases (14) are fixedly connected with extension plates (13), one side of the two extension plates (13) is fixedly connected with slide rods (17), one end of the plurality of slide rods (17) penetrates through the top ends of the support plates (5), one side of the inner wall of the plurality of insertion grooves (21) is provided with a mounting groove (30), the inner part of the plurality of mounting grooves (30) is slidably connected with a fixing block (22), one side of the plurality of fixing blocks (22) is fixedly connected with a pull rod (32), the outer side of the plurality of pull rods (32) is provided with a spring (20), the side away from the plurality of insertion blocks (18) is provided with a fixing groove (19), one end of the plurality of fixing blocks (22) away from the pull rod (32) is slidably connected in the fixing groove (19).

5. The feeding auxiliary mechanism for a mask trimming machine according to claim 4, characterized in that: One end of the plurality of springs (20) is fixedly connected on one side of the inner wall of the mounting groove (30), the other end of the plurality of springs (20) is fixedly connected on one end of the fixing block (22) close to the pull rod (32).

6. The feeding auxiliary mechanism for a mask trimming machine according to claim 1, characterized in that: The front end of the rack (1) is fixedly connected with an electric guide rail (8), the inner part of the electric guide rail (8) is slidably connected with a sliding block (7), the other end of the sliding block (7) is fixedly connected with a limiting seat (6).

7. The feeding auxiliary mechanism for a mask trimming machine according to claim 1, characterized in that: The top end of the rack (1) is provided with a slot (25), the inner part of the slot (25) is provided with a conveying belt (24).

8. The feeding auxiliary mechanism for a mask trimming machine according to claim 1, characterized in that: The inner bottom wall of the rack (1) is fixedly connected with a water tank (9), the rear end of the water tank (9) is fixedly connected with a water pump (26), the other end of the water pump (26) is communicated with a hose (27), the other end of the hose (27) is communicated with a spray head (23), the rear end of the spray head (23) is clamped with a clamping ring (28), the clamping ring (28) is fixedly connected on the rear end of the rack (1), the front end of the water tank (9) is provided with a through hole (10), the inner part of the through hole (10) is slidably connected with a plug (29).

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