CN210329764U

CN210329764U - Pressure control device

Info

Publication number: CN210329764U
Application number: CN201921167877.4U
Authority: CN
Inventors: 陈蜜生; 胡进福; 黄锐烯
Original assignee: Intelligent Eyes Automation Technology Guangzhou Co ltd
Current assignee: Hawley and Hazel Chemical Co Zhongshan Ltd
Priority date: 2019-07-23
Filing date: 2019-07-23
Publication date: 2020-04-17
Anticipated expiration: 2029-07-23

Abstract

The utility model discloses a pressure control device, which comprises a frame, the robot, imitative anchor clamps, a touch-sensitive screen, pressure test mechanism, the tooth mould mechanism of opening and shutting, pressure display and toothbrush wiper mechanism, the robot removes imitative anchor clamps to pressure test mechanism, make toothbrush brush hair and pressure test mechanism compress tightly perpendicularly and carry out pressure detection, the robot removes imitative anchor clamps to the tooth mould mechanism of opening and shutting together with the toothbrush and carries out the test of brushing teeth, accomplish the back of brushing teeth, the robot removes imitative anchor clamps to toothbrush wiper mechanism and carries out the washing of toothbrush and tooth mould together with the toothbrush, imitative anchor clamps get back to the material loading position under the drive of robot, imitative anchor clamps loosen the toothbrush and get into next cycle. Can brush all parts of the teeth, realize the bionic tooth brushing of the real meaning, can accomplish to brush teeth and keep the pressure of brushing teeth the same as people and unanimous basically, pressure intelligent control and the function of imitating human body to brush teeth, automatic toothpaste liquid of spouting and self-cleaning toothbrush and tooth model, work efficiency is higher.

Description

Pressure control device

Technical Field

The utility model relates to a life field especially relates to a pressure control device.

Background

At present, toothbrushes are used as necessities of personal life, and the traditional detection of the limit life of the toothbrushes is generally that a mechanical arm drives the toothbrushes to brush on a flat plate or manually brush teeth, and both methods have great defects. The first method is that only the flat plate is used for reciprocating tooth brushing, which is completely inconsistent with the human tooth model, so that the tooth brushing motion along the teeth cannot be performed, the up-down tooth brushing motion cannot be performed during the tooth brushing motion, and the pressure cannot be controlled; fourthly, toothpaste cannot be automatically fed to squeeze and spray water, so that the service life of the toothbrush can be shortened, and fifthly, the toothbrush and the tooth model cannot be automatically cleaned after the teeth are brushed; the second manual brushing test has the main disadvantages that the pressure cannot be controlled, the test limit life time is long, and the labor is consumed too much. A large amount of repeated labor force is needed, and the traditional detection mode cannot meet the requirements of the times in an automatic workshop for high-efficiency production.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects of the prior art, one of the objectives of the present invention is to provide a pressure control device, which can solve the problem that the conventional detection method can not meet the requirements of the times.

The utility model discloses an one of the purpose adopts following technical scheme to realize:

a pressure control device comprises a rack, a robot, a profiling fixture, a touch screen, a pressure testing mechanism, a dental model opening and closing mechanism, a pressure display and a toothbrush cleaning mechanism, wherein the robot and the touch screen are fixed on the rack, the profiling fixture is installed on the robot, the pressure testing mechanism, the dental model opening and closing mechanism and the pressure display are installed in the middle of the rack, a toothbrush is arranged on the profiling fixture, the robot moves the profiling fixture to the pressure testing mechanism to enable toothbrush bristles to be vertically pressed with the pressure testing mechanism for pressure detection, the robot moves the profiling fixture together with the toothbrush to the dental model opening and closing mechanism for tooth brushing test, after tooth brushing is finished, the robot moves the profiling fixture together with the toothbrush to the toothbrush cleaning mechanism for cleaning the toothbrush and the dental model, after the cleaning is finished, the profiling fixture is driven by the robot to return to the feeding position, and the profiling fixture loosens the toothbrush and enters the next period.

Further, the pressure control device further comprises a toothpaste slurry water tank, a clean water pump, a toothpaste slurry water pump, a clean water tank and a pipeline system, wherein the clean water pump, the toothpaste slurry water pump and the clean water tank are installed on the bottom platform of the rack, the toothpaste slurry water tank provides toothpaste slurry and recovers sprayed toothpaste slurry, the clean water pump provides clean water for the spray pipe and the spray nozzle, the toothpaste slurry water pump provides toothpaste slurry for the spray pipe and the spray nozzle, the clean water pump and the toothpaste slurry water pump are respectively communicated with the spray pipe and the spray nozzle, the toothpaste slurry water pump is communicated with the toothpaste slurry water tank, and the clean water pump is communicated with the clean water tank.

Further, the pressure control device also comprises a pressure display, and the pressure display is used for displaying the value of the pressure detection of the pressure testing mechanism.

Furthermore, the pressure testing mechanism and the dental cast opening and closing mechanism are positioned on the same straight line, and the pressure testing mechanism and the dental cast opening and closing mechanism are arranged in parallel.

Further, the profiling fixture comprises a motor, a motor seat plate, a linear guide rail, a shaking plate, an eccentric shaft, a spring pre-pressing ejector rod, a first fixture body, a second fixture body, a toothbrush positioning plate, a first cylinder, an induction piece and a photoelectric switch, wherein the linear guide rail comprises a slide rail and a slide block, the slide rail is fixed on the motor seat plate, the slide block is fixedly connected with the shaking plate, the first fixture body is fixedly connected with the shaking plate, the second fixture body is fixedly connected with the first cylinder, the toothbrush positioning plate is fixedly connected with the second fixture body, the first cylinder and the induction piece are installed on the shaking plate, and the photoelectric switch is fixedly connected with the motor seat plate.

Further, the profiling fixture further comprises a hand adjusting mechanism, the hand adjusting mechanism is fixedly connected with the robot, and the hand adjusting mechanism is fixedly connected with the motor base plate.

Further, hand adjustment mechanism includes fixed body, scale, pointer, slider, lead screw and regulation handle, the scale is fixed in fixed body, the pointer with slider fixed connection and directional the scale, the lead screw with regulation handle fixed connection, the lead screw spiro union in the slider.

Further, the hand adjusting mechanism further comprises a locking handle, a guide shaft and a linear bearing, wherein the linear bearing is fixed on the sliding block, the guide shaft is sleeved with the linear bearing, the locking handle is in threaded connection with the fixed body, and the locking handle is abutted against the sliding block to enable the sliding block to be fixed relative to the fixed body.

Furthermore, the pressure testing mechanism comprises a mounting base plate, a sensor mounting plate, a sensor protective cover, a toothbrush pressing plate and a pressure sensor, wherein the sensor mounting plate is fixedly connected with the mounting base plate; the sensor protection casing with pressure sensor install in on the sensor mounting panel, toothbrush clamp plate with sensor mounting panel fixed connection, pressure sensor is used for testing the pressure after the toothbrush compresses tightly.

Further, the dental model opening and closing mechanism comprises a lower dental model, a spray pipe, an upper dental model, a second air cylinder and an air cylinder seat, wherein the lower dental model and the air cylinder seat are installed on a bottom plate, the spray pipe is fixedly connected with the upper dental model, the upper dental model is fixedly connected with the second air cylinder, and the second air cylinder is fixedly connected with the air cylinder seat.

Compared with the prior art, the beneficial effects of the utility model reside in that:

and the robot moves the profiling fixture together with the toothbrush to the toothbrush cleaning mechanism to clean the toothbrush and the dental cast, after the cleaning is finished, the profiling fixture returns to a feeding position under the driving of the robot, and the profiling fixture loosens the toothbrush and enters the next period. Can brush each position of tooth, realize the bionical brushing teeth of genuine, can accomplish to brush teeth and keep brushing teeth's pressure unanimous basically with the people, and everybody can watch on multiple equipment, and when normal operating, can unmanned operation, automatic operation, operating personnel only need the cooperation equipment feed with get the material, work efficiency is high, degree of automation is high.

The foregoing description is only an overview of the technical solutions of the present invention, and in order to make the technical means of the present invention more clearly understood, the present invention may be implemented according to the content of the description, and in order to make the above and other objects, features, and advantages of the present invention more obvious and understandable, the following preferred embodiments are described in detail with reference to the accompanying drawings.

Drawings

FIG. 1 is a perspective view of a preferred embodiment of the pressure control device of the present invention;

FIG. 2 is a first perspective view of the pressure control device shown in FIG. 1;

FIG. 3 is a second perspective view of the pressure control device shown in FIG. 1;

FIG. 4 is a third perspective view of the pressure control device shown in FIG. 1;

FIG. 5 is a fourth perspective view of the pressure control device shown in FIG. 1;

FIG. 6 is a fifth perspective view of the pressure control device shown in FIG. 1;

FIG. 7 is a sixth perspective view of the pressure control device shown in FIG. 1;

FIG. 8 is a seventh perspective view of the pressure control device shown in FIG. 1;

fig. 9 is an eighth perspective view of the pressure control device shown in fig. 1.

In the figure: 1. a frame; 2. a robot; 3. profiling fixtures; 301. a manual adjustment mechanism; 30101. a fixed body; 30102. a scale; 30103. a pointer; 30104. locking the handle; 30105. a slider; 30106. a guide shaft; 30107. a linear bearing; 30108. a screw rod; 30109. adjusting the handle; 302. a motor; 303. a motor seat plate; 304. a linear guide rail; 305. a shaking plate; 306. an eccentric shaft; 307. prepressing a mandril by a spring; 308. a first clamp body; 309. a second clamp body; 310. a toothbrush positioning plate; 311. a first cylinder; 312. an induction sheet; 313. a photoelectric switch; 4. a touch screen; 5. a pressure testing mechanism; 501. mounting a bottom plate; 502. a sensor mounting plate; 503. a sensor shield; 504. a toothbrush platen; 505. a pressure sensor; 6. a dental model opening and closing mechanism; 601. a lower dental model; 602. a shower pipe; 603. an upper dental model; 604. a second cylinder; 605. a cylinder block; 7. a pressure display; 701. mounting a column; 702. a display; 703. a display housing; 8. a toothpaste slurry tank; 9. a clean water pump; 10. a toothpaste slurry pump; 11. a clear water tank; 12. a toothbrush cleaning mechanism; 13. a piping system.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and the detailed description, and it should be noted that the embodiments or technical features described below can be arbitrarily combined to form a new embodiment without conflict.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When a component is referred to as being "connected" to another component, it can be directly connected to the other component or intervening components may also be present. When a component is referred to as being "disposed on" another component, it can be directly on the other component or intervening components may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

Referring to fig. 1-9, a pressure control device includes a frame 1, a robot 2, a profiling fixture 3, a touch screen 4, a pressure testing mechanism 5, a dental cast opening and closing mechanism 6, a pressure display 7 and a toothbrush cleaning mechanism 12, wherein the robot 2 and the touch screen 4 are fixed on the frame 1, the profiling fixture 3 is mounted on the robot 2, the pressure testing mechanism 5, the dental cast opening and closing mechanism 6 and the pressure display 7 are mounted in the middle of the frame 1, a toothbrush is mounted on the profiling fixture 3, the robot 2 moves the profiling fixture 3 to the pressure testing mechanism 5 to vertically press toothbrush bristles to the pressure testing mechanism 5 for pressure detection, the robot 2 moves the profiling fixture 3 together with the toothbrush to the dental cast opening and closing mechanism 6 for tooth brushing test, after the teeth brushing is finished, the robot 2 moves the copying clamp 3 together with the toothbrush to the toothbrush cleaning mechanism 12 to clean the toothbrush and the dental cast, after the cleaning is finished, the copying clamp 3 is driven by the robot 2 to return to the loading position, and the copying clamp 3 releases the toothbrush and enters the next period. Can brush each position of tooth, realize the bionical brushing teeth of genuine, can accomplish to brush teeth and keep brushing teeth's pressure unanimous basically with the people, and everybody can watch on multiple equipment, and when normal operating, can unmanned operation, automatic operation, operating personnel only need the cooperation equipment feed with get the material, work efficiency is high, degree of automation is high.

Specifically, the equipment can call a set tooth brushing track as required, set tooth brushing adjustable pressure of 0-1 kg and tooth brushing circulation time, and the robot 2 is used for driving the toothbrush to complete tooth brushing tracks along all parts of teeth; the robot 2 is utilized to change the compression degree of the toothbrush on the profiling fixture and the teeth through coordinate offset, so that the pressure during tooth brushing is automatically changed; the profiling fixture 3 is used for clamping the toothbrush, the motor and the eccentric shaft of the mechanism drive the toothbrush to shake up and down, and the rotating handle of the mechanism is twisted to change the degree of the toothbrush pressing teeth, so that the pressure is changed; the touch screen 4 is used for selecting operation, designing pressure and cycle time, starting and stopping and the like according to different conditions; the pressure testing mechanism 5 is used for testing the corresponding pressure of the fit degree of the toothbrush and the teeth; the dental model in the dental model opening and closing mechanism 6 is based on the human tooth model 1: the toothbrush is printed by 3D in a proportion of 1, so that the service life of the toothbrush can be more accurately tested, when the outer side of teeth is brushed, the upper dental model and the lower dental model are occluded, when the addendum and the inner side of teeth are brushed, the upper dental model and the lower dental model are opened, the spray pipes are used for spraying toothpaste slurry during tooth brushing, and clean water is sprayed during cleaning; the pressure display 7 is used for displaying the pressure during adjustment; the toothpaste slurry water tank 8 is used for supplying toothpaste slurry or recovering sprayed toothpaste slurry; the clean water pump 9 is used for sending clean water to the spray pipe and the nozzle, providing certain water pressure and performing CIP circulating flushing function; the toothpaste slurry pump 10 is used for conveying toothpaste slurry to the spray pipe and the nozzle during cleaning and providing certain water pressure; the clean water tank 11 is used for providing clean water or recovering clean water for cleaning; the toothbrush cleaning mechanism 12 is used for cleaning the toothbrush after the test by pressing water so as to observe the wear state of the toothbrush; the pipe system 13 is used for circulating the toothpaste slurry and the clear water.

Preferably, the pressure control device further comprises a toothpaste slurry water tank 8, a clean water pump 9, a toothpaste slurry water pump 10, a clean water tank 11 and a pipeline system 13, wherein the clean water pump 9, the toothpaste slurry water pump 10 and the clean water tank 11 are installed on a bottom platform of the rack 1, the toothpaste slurry water tank 8 provides toothpaste slurry and recovers spraying and flushing toothpaste slurry, the clean water pump 9 provides clean water for a spray pipe and a nozzle, the toothpaste slurry water pump 10 provides toothpaste slurry for the spray pipe and the nozzle, the clean water pump 9 and the toothpaste slurry water pump 10 are respectively communicated with the spray pipe and the nozzle, the toothpaste slurry water pump 10 is communicated with the toothpaste slurry water tank 8, and the clean water pump 9 is communicated with the clean water tank 11.

Preferably, the copying clamp 3 includes a motor 302, a motor seat plate 303, a linear guide 304, a shaking plate 305, an eccentric shaft 306, a spring pre-pressing ejector pin 307, a first clamp body 308, a second clamp body 309, a toothbrush positioning plate 310, a first cylinder 311, a sensing piece 312, and a photoelectric switch 313, the linear guide 304 includes a slide rail and a slide block, the slide rail is fixed to the motor seat plate 303, the slide block is fixedly connected to the shaking plate 305, the first clamp body 308 is fixedly connected to the shaking plate 305, the second clamp body 309 is fixedly connected to the first cylinder 311, the toothbrush positioning plate 310 is fixedly connected to the second clamp body 309, the first cylinder 311 and the sensing piece 312 are mounted to the shaking plate 305, and the photoelectric switch 313 is fixedly connected to the motor seat plate 303. The inner holes of the first clamp body 308 and the second clamp body 309 are square. 3 the eccentric shaft 306 is used for driving the toothbrush to shake up and down, the spring preloading ejector rod 307 is used for starting and pressing the toothbrush to be initially positioned, the first clamp body 308, the second clamp body 309 and the toothbrush positioning plate 310 are used for positioning the toothbrush to prevent deviation, the first air cylinder 311 is used for clamping the toothbrush, and the induction sheet 312 and the photoelectric switch 313 are used for determining the initial position of the toothbrush.

Preferably, the profiling fixture 3 further comprises a manual adjustment mechanism 301, the manual adjustment mechanism 301 is fixedly connected with the robot 2, and the manual adjustment mechanism 301 is fixedly connected with the motor seat plate 303. Specifically, the hand adjustment mechanism 301 includes a fixing body 30101, a scale 30102, a pointer 30103, a slider 30105, a lead screw 30108, and an adjusting handle 30109, the scale 30102 is fixed to the fixing body 30101, the pointer 30103 is fixedly connected to the slider 30105 and points to the scale 30102, the lead screw 30108 is fixedly connected to the adjusting handle 30109, and the lead screw 30108 is screwed to the slider 30105. The hand adjusting mechanism 301 is used for adjusting the degree of the toothbrush bristles to be pressed against the teeth, so as to adjust the pressure of the toothbrush during brushing. The mechanism adjusts the close degree of the toothbrush and the dental cast in a manual mode, thereby changing the tooth brushing pressure.

Preferably, the hand adjustment mechanism 301 further includes a locking handle 30104, a guide shaft 30106, and a linear bearing 30107, the linear bearing 30107 is fixed to the slider 30105, the linear bearing 30107 is sleeved on the guide shaft 30106, the locking handle 30104 is screwed to the fixing body 30101, and the locking handle 30104 abuts against the slider 30105 to fix the slider 30105 relative to the fixing body 30101.

Preferably, the pressure testing mechanism 5 and the dental cast opening and closing mechanism 6 are in the same straight line, and the pressure testing mechanism 5 and the dental cast opening and closing mechanism 6 are arranged in parallel. The pressure testing mechanism 5 comprises a mounting bottom plate 501, a sensor mounting plate 502, a sensor protective cover 503, a toothbrush pressure plate 504 and a pressure sensor 505, wherein the sensor mounting plate 502 is fixedly connected with the mounting bottom plate 501; the sensor protective cover 503 and the pressure sensor 505 are mounted on the sensor mounting plate 502, the toothbrush pressing plate 504 is fixedly connected with the sensor mounting plate 502, and the pressure sensor 505 is used for testing the pressure of the toothbrush after being pressed. The pressure sensor 505 is used for testing the pressure after the toothbrush is pressed with the teeth.

Preferably, the dental cast opening and closing mechanism 6 includes a lower dental cast 601, a spray pipe 602, an upper dental cast 603, a second cylinder 604 and a cylinder seat 605, the lower dental cast 601 and the cylinder seat 605 are mounted on a bottom plate, the spray pipe 602 is fixedly connected with the upper dental cast 603, the upper dental cast 603 is fixedly connected with the second cylinder 604, and the second cylinder 604 is fixedly connected with the cylinder seat 605. Spray pin holes are distributed on the spray pipe 602 along the dental cast, and the lower dental cast 601 and the upper dental cast 603 simulate teeth, gums, upper and lower jaws of a human body in a ratio of 1: 1. Wherein the shower pipe 602 is used for spraying toothpaste slurry for tooth brushing and clean water for cleaning, and the second cylinder 604 is used for controlling 603 the opening and closing state of the upper dental model.

Preferably, the pressure control device further comprises a pressure display 7, and the pressure display 7 is used for displaying the value of the pressure detection of the pressure testing mechanism 5. The pressure display 7 comprises a mounting column 701, a display 702 and a display outer cover 703, wherein the display 702 is used for outputting and displaying a pressure value in a pressure test in real time, and the display outer cover 703 is used for dust prevention and water prevention.

The above embodiments are only preferred embodiments of the present invention, and the protection scope of the present invention cannot be limited thereby, and any insubstantial changes and substitutions made by those skilled in the art based on the present invention are all within the protection scope of the present invention.

Claims

1. The utility model provides a pressure control device, includes frame, robot, imitative type anchor clamps, touch-sensitive screen, pressure test mechanism, dental model mechanism, pressure display and toothbrush wiper mechanism, its characterized in that: the robot and the touch screen are fixed on the frame, the profiling fixture is arranged on the robot, the pressure testing mechanism, the dental cast opening and closing mechanism and the pressure display are arranged in the middle of the rack, the toothbrush is arranged on the profiling fixture, the robot moves the profiling fixture to the pressure testing mechanism to enable the toothbrush bristles to be vertically pressed with the pressure testing mechanism for pressure detection, the robot moves the profiling fixture together with the toothbrush to the dental model opening and closing mechanism and carries out tooth brushing test, after tooth brushing is finished, the robot moves the profiling fixture and the toothbrush to the toothbrush cleaning mechanism to clean the toothbrush and the dental cast, after the cleaning is finished, the profiling fixture is driven by the robot to return to a feeding position, and the profiling fixture loosens the toothbrush and enters the next period.

2. The pressure control device of claim 1, wherein: the pressure control device further comprises a toothpaste slurry water tank, a clean water pump, a toothpaste slurry water pump, a clean water tank and a pipeline system, wherein the clean water pump, the toothpaste slurry water pump and the clean water tank are installed on the bottom platform of the rack, the toothpaste slurry water tank provides toothpaste slurry and recovers spraying and flushing the toothpaste slurry, the clean water pump provides clean water for the spray pipe and the spray nozzle, the toothpaste slurry water pump provides toothpaste slurry for the spray pipe and the spray nozzle, the clean water pump and the toothpaste slurry water pump are respectively communicated with the spray pipe and the spray nozzle, the toothpaste slurry water pump is communicated with the toothpaste slurry water tank, and the clean water pump is communicated with the clean water tank.

3. The pressure control device of claim 1, wherein: the pressure control device also comprises a pressure display, and the pressure display is used for displaying the numerical value of the pressure detection of the pressure testing mechanism.

4. The pressure control device of claim 1, wherein: the pressure testing mechanism and the dental cast opening and closing mechanism are positioned on the same straight line, and the pressure testing mechanism and the dental cast opening and closing mechanism are arranged in parallel.

5. The pressure control device of claim 1, wherein: the profiling fixture comprises a motor, a motor seat plate, a linear guide rail, a shaking plate, an eccentric shaft, a spring pre-pressing ejector rod, a first fixture body, a second fixture body, a toothbrush positioning plate, a first cylinder, an induction piece and a photoelectric switch, wherein the linear guide rail comprises a sliding rail and a sliding block, the sliding rail is fixed on the motor seat plate, the sliding block is fixedly connected with the shaking plate, the first fixture body is fixedly connected with the shaking plate, the second fixture body is fixedly connected with the first cylinder, the toothbrush positioning plate is fixedly connected with the second fixture body, the first cylinder and the induction piece are installed on the shaking plate, and the photoelectric switch is fixedly connected with the motor seat plate.

6. The pressure control device of claim 5, wherein: the profiling fixture further comprises a manual adjusting mechanism, the manual adjusting mechanism is fixedly connected with the robot, and the manual adjusting mechanism is fixedly connected with the motor base plate.

7. The pressure control device of claim 6, wherein: the hand adjusting mechanism comprises a fixed body, a scale, a pointer, a sliding block, a screw rod and an adjusting handle, the scale is fixed on the fixed body, the pointer is fixedly connected with the sliding block and points to the scale, the screw rod is fixedly connected with the adjusting handle, and the screw rod is in threaded connection with the sliding block.

8. The pressure control device of claim 7, wherein: the manual adjusting mechanism further comprises a locking handle, a guide shaft and a linear bearing, the linear bearing is fixed on the sliding block, the guide shaft is sleeved with the linear bearing, the locking handle is in threaded connection with the fixed body, and the locking handle is abutted against the sliding block to enable the sliding block to be fixed relative to the fixed body.

9. The pressure control device of claim 1, wherein: the pressure testing mechanism comprises an installation bottom plate, a sensor installation plate, a sensor protective cover, a toothbrush pressing plate and a pressure sensor, wherein the sensor installation plate is fixedly connected with the installation bottom plate; the sensor protection casing with pressure sensor install in on the sensor mounting panel, toothbrush clamp plate with sensor mounting panel fixed connection, pressure sensor is used for testing the pressure after the toothbrush compresses tightly.

10. The pressure control device of claim 1, wherein: the tooth mold opening and closing mechanism comprises a lower tooth mold, a spray pipe, an upper tooth mold, a second air cylinder and an air cylinder seat, wherein the lower tooth mold and the air cylinder seat are installed on a bottom plate, the spray pipe is fixedly connected with the upper tooth mold, the upper tooth mold is fixedly connected with the second air cylinder, and the second air cylinder is fixedly connected with the air cylinder seat.