CN221208865U - Chewing tablet conveyor capable of cleaning powder - Google Patents

Abstract

The utility model discloses a chewable tablet conveyor capable of cleaning powder, which comprises a supporting seat table and a chewable tablet conveying cylinder, wherein the chewable tablet conveying cylinder is arranged at the top end of the supporting seat table, supporting legs are arranged at two sides of the bottom end of the supporting seat table, a collecting cylinder is connected between the supporting legs, feeding pipes are arranged at two sides of the top end of the chewable tablet conveying cylinder, a powder delivery pipe is arranged at the bottom end of the chewable tablet conveying cylinder, and a double-headed motor is arranged at one side of the back surface of the chewable tablet conveying cylinder. The utility model falls into the chewable tablet conveying cylinder firstly in the conveying process of the chewable tablet, and is matched with the fixed sieve plate and the arrangement of the powder sieve holes on the adjusting sieve plate so as to sieve the conveyed chewable tablet, so that the crushed chewable tablet can be sieved and falls into the bottom of the chewable tablet conveying cylinder to fall into the collecting cylinder along the powder delivery pipe for collection, thereby ensuring the integrity of conveying the chewable tablet and improving the conveying quality.

Description

Chewing tablet conveyor capable of cleaning powder

Technical Field

The utility model relates to the technical field of chewable tablet conveying, in particular to a chewable tablet conveyor capable of cleaning powder.

Background

The chewable tablet is a tablet which is swallowed after being chewed in the oral cavity, the size of the chewable tablet is generally the same as that of a common tablet, special-shaped tablets with different shapes can be prepared according to the requirements, and the special-shaped tablets are required to be produced and conveyed in the production process, and a chewable tablet conveyor is required to be used in the process;

In a calcium vitamin D chewable tablet production conveyor of publication number CN218595386U, relate to chewable tablet production technical field, including the conveyer, one side of conveyer is fixed and is equipped with the delivery plate, and the both sides side of conveyer is all fixed and is equipped with the guardrail, and the top of two guardrails is equipped with the mounting panel through neat subassembly activity, and one side on delivery plate top is equipped with buffer assembly, and neat subassembly includes two spouts and two sliders, and two spouts are seted up respectively on the top of two guardrails, and the beneficial effect of the utility model is: the tablet is led into a tablet barrel on the mounting plate, the connecting rod and the barrel plates are driven by the steering engine to turn over and separate from the tablet barrel opening, so that the tablet in the tablet barrel falls onto the conveyor, the mounting plate is driven by the electric hydraulic cylinder to integrally move, the steering engine is repeatedly opened to drive the connecting rod and the barrel plates to turn over and separate from the tablet barrel opening, the tablet in the tablet barrel falls onto the conveyor, the tablet is conveniently and orderly arranged and conveyed, and the production of subsequent packaging is facilitated; the powder in the chewable tablets is not convenient to screen and clean when the chewable tablets are conveyed in the prior art, so that the powder, the crushed chewable tablets and the complete chewable tablets are conveyed together, the quality and the efficiency of later bottling of the chewable tablets can be influenced, and corresponding improvement is needed.

Disclosure of utility model

The utility model aims to provide a chewable tablet conveyor capable of cleaning powder, which aims to solve the problem that the conventional chewable tablet conveyor provided in the background art does not have powder screening cleaning when in use.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a can clear up chewable tablet conveyer of powder, is including supporting to sit the platform, chew the piece and carry a section of thick bamboo and install in the top of supporting to sit the platform, the supporting leg is all installed to the both sides of supporting to sit the platform bottom, and has connected a collection cylinder between the supporting leg, the inlet pipe is all installed to the both sides on chewable piece transport section of thick bamboo top, the powder delivery tube is installed to the bottom of chewing piece transport section of thick bamboo, the double-end motor is installed to one side of chewing piece transport section of thick bamboo back, one side of chewing piece transport section of thick bamboo of double-end motor below is provided with carries pushing equipment, the rotation axis is all installed at the both ends of double-end motor, horizontal belt assembly is all installed to the one end of rotation axis, and the inside run through of vertical belt assembly has the cross axle, the one end of cross axle extends to the inside of chewing piece transport section of thick bamboo, the both sides of cross axle all evenly install and strike the offset, the outside of chewing piece transport section of thick bamboo is provided with the pay-off mouth, the outside of thick bamboo is installed and turns over the double-end motor, the sieve is installed to one side of the piece transport section of thick bamboo below the conveying section of thick bamboo, the sieve of thick bamboo is installed and is provided with the sieve fixed with sieve, sieve fixed mounting under the sieve, sieve fixed mounting has sieve, sieve fixed mounting.

When the chewing tablet conveyor capable of cleaning powder is used, when in use,

Preferably, one end of the transverse belt assembly extends to the inside of the supporting seat and is provided with a connecting shaft, one end of the connecting shaft is provided with a rotating disc, and one side of the rotating disc is uniformly provided with a rubber rod.

Preferably, the rubber rods are arranged in two groups on the rotating disc, each group is provided with two groups, and the two groups are distributed in a cross shape on the rotating disc.

Preferably, the support seat is provided with a cavity with a circular cross section, the cross sections of the fixed sieve plate and the adjusting sieve plate are circular, the cross sections of the powder sieve holes are circular, and the powder sieve holes are annularly distributed on the fixed sieve plate and the adjusting sieve plate.

Preferably, one end of the guide component extends to the inner wall of the chewable tablet conveying cylinder, and a groove with an annular cross section is formed in the inner wall of the chewable tablet conveying cylinder.

Preferably, the rotary mechanism comprises a rotary rod, the rotary rod is arranged in the chewing piece conveying cylinder, one end of the rotary rod is connected with one end of the fixed sieve plate, one end of the outer side of the rotary rod is sleeved with a supporting disc, one end of the rotary rod extends to the outer wall of the chewing piece conveying cylinder and is connected with a rotary handle, one end of the outer side of the rotary handle is provided with a fixing pin, and one end of the fixing pin extends to the top end of the chewing piece conveying cylinder.

Preferably, the conveying pushing mechanism comprises an electric telescopic rod, the electric telescopic rod is arranged on the back surface of the chewing piece conveying cylinder, one end of the electric telescopic rod extends to the inner wall of the chewing piece conveying cylinder and is provided with a connecting plate, one side of the connecting plate is provided with a transverse plate, and the bottom end of the transverse plate is uniformly provided with a pushing scraping plate.

Preferably, the cross plate is provided with a movable groove with a rectangular cross section, and the groove width of the movable groove is matched with the outer diameter of the rotating rod.

The transverse belt assembly comprises a driving wheel, a driven wheel and a connecting belt, the driving wheel is sleeved on the outer side of the rotating shaft, the driven wheel is sleeved on one end of the connecting shaft, the connecting belt is connected between the driving wheel and the driven wheel, the longitudinal belt assembly comprises two groups of connecting wheels and a transmission belt, the connecting wheels are sleeved on one ends of the rotating shaft and the transverse shaft respectively, and the transmission belt is connected between the two groups of connecting wheels.

Compared with the prior art, the utility model has the beneficial effects that: the chewable tablet conveyor capable of cleaning powder not only has the functions of sieving and cleaning powder, but also has the function of adjusting the particle diameter of the sieving;

The method comprises the steps that during the conveying process of the chewable tablets, the chewable tablets firstly fall into a chewable tablet conveying cylinder, the fixed sieve plate is matched with the arrangement of powder meshes on the adjusting sieve plate so as to screen the conveyed chewable tablets, the crushed chewable tablets can be screened and fall into a collecting cylinder along a powder delivery pipe to be collected, so that the integrity of conveying the chewable tablets is ensured, the conveying quality is improved, in the process, a rotating shaft is driven to rotate by driving a double-head motor, a transverse belt assembly and a longitudinal belt assembly are matched, so that a rubber rod, a transverse shaft and a knocking rubber block are enabled to rotate, the stirring of the conveyed chewable tablets is carried out, meanwhile, the adjusting sieve plate is knocked, the screened powder can fall down rapidly, the powder screening efficiency is improved, and the screened powder can be collected, recycled;

Through rotating the rotation handle, drive the bull stick and rotate to drive fixed sieve synchronous rotation, and cooperate the direction subassembly to support the direction, make fixed sieve and adjust the powder sieve mesh on the sieve and can misplace, adjust the through-hole aperture of powder sieve mesh, so as to intercept, powder screening to the chewable tablet of different particle diameters, in order to satisfy different transport demands.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, and it is obvious that the drawings in the following description are some embodiments of the present utility model, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic rear view of the present utility model;

FIG. 2 is a schematic diagram of a front view structure of the present utility model;

FIG. 3 is a schematic view of a front cross-sectional structure of the present utility model;

FIG. 4 is a schematic top view of the present utility model;

FIG. 5 is a schematic view of the structure of FIG. 3A according to the present utility model;

Fig. 6 is a schematic perspective view of a rotating disc and a rubber rod according to the present utility model.

Reference numerals in the drawings illustrate: 1. supporting a sitting platform; 2. a chewable tablet conveying cylinder; 3. a feed pipe; 4. a double-ended motor; 5. a rotation shaft; 6. a transverse belt assembly; 7. a powder delivery tube; 8. a collection cylinder; 9. conveying and pushing the material mechanism; 901. an electric telescopic rod; 902. a connecting plate; 903. a pushing scraper; 904. a cross plate; 10. support legs; 11. turning over the cover plate; 12. a feeding cylinder; 13. a longitudinal belt assembly; 14. a feeding port; 15. a rotation mechanism; 1501. a rotating rod; 1502. a rotating handle; 1503. a support plate; 1504. a fixing pin; 16. a rotating disc; 17. a rubber rod; 18. fixing the screen plate; 19. adjusting the sieve plate; 20. powder mesh; 21. a horizontal axis; 22. knocking the rubber block; 23. a guide assembly; 24. and a connecting shaft.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments of the present utility model. All other embodiments, which can be made by one of ordinary skill in the art without inventive faculty, are intended to be within the scope of the present utility model, based on the embodiments of the present utility model.

Referring to fig. 1-6, an embodiment of the present utility model is provided: the utility model provides a can clear up chewable tablet conveyer of powder, including supporting seat platform 1, chewable tablet transport section of thick bamboo 2, the chewable tablet transport section of thick bamboo 2 is installed in the top of supporting seat platform 1, supporting legs 10 are all installed to the both sides of supporting seat platform 1 bottom, and connected a collection section of thick bamboo 8 between the supporting legs 10, feed pipe 3 is all installed to the both sides on chewable tablet transport section of thick bamboo 2 top, powder delivery tube 7 is installed to the bottom of chewable tablet transport section of thick bamboo 2, double-end motor 4 is installed to one side of the chewable tablet transport section of thick bamboo 2 back, one side of the chewable tablet transport section of thick bamboo 2 of double-end motor 4 below is provided with carries pushing equipment 9;

The conveying pushing mechanism 9 comprises an electric telescopic rod 901, the electric telescopic rod 901 is arranged on the back surface of the chewing piece conveying cylinder 2, one end of the electric telescopic rod 901 extends to the inner wall of the chewing piece conveying cylinder 2 and is provided with a connecting plate 902, one side of the connecting plate 902 is provided with a transverse plate 904, and the bottom end of the transverse plate 904 is uniformly provided with a pushing scraper 903;

The cross plate 904 is provided with a movable groove with a rectangular cross section, and the groove width of the movable groove is matched with the outer diameter of the rotating rod 1501;

Specifically, as shown in fig. 1 and 3, when in use, the electric telescopic rod 901 is driven to push the connecting plate 902, the pushing scraper 903 and the transverse plate 904 to horizontally move so as to push out the granular chewing pieces trapped on the fixed sieve plate 18 from the feeding port 14, and the conveying can be completed by matching with the conveying cylinder 12;

The two ends of the double-headed motor 4 are provided with rotating shafts 5, and one end of each rotating shaft 5 is provided with a transverse belt assembly 6;

one end of the transverse belt assembly 6 extends to the inside of the supporting seat 1 and is provided with a connecting shaft 24, one end of the connecting shaft 24 is provided with a rotating disc 16, and one side of the rotating disc 16 is uniformly provided with a rubber rod 17;

The rubber rods 17 are arranged on the rotating disc 16 in two groups, and each group is arranged in two, and are distributed in a cross shape on the rotating disc 16;

Specifically, as shown in fig. 1 and 3, when in use, the rotating shaft 5 is matched with the transverse belt assembly 6 in a rotating way, so that the rotating disc 16 and the rubber rod 17 can be rotated, and the chewable tablets to be conveyed are stirred, so that the doped powder and the granular chewable tablets can be quickly separated, and the powder screening efficiency is improved;

one end of a group of rotating shafts 5 is provided with a longitudinal belt assembly 13;

The transverse belt assembly 6 comprises a driving wheel, driven wheels and connecting belts, the driving wheels are sleeved on the outer side of the rotating shaft 5, the driven wheels are sleeved on one end of the connecting shaft 24, the connecting belts are connected between the driving wheels and the driven wheels, the longitudinal belt assembly 13 comprises two groups of connecting wheels and a transmission belt, the connecting wheels are sleeved on one end of the rotating shaft 5 and one end of the transverse shaft 21 respectively, and the transmission belt is connected between the two groups of connecting wheels;

specifically, as shown in fig. 1, 2 and 3, when in use, the double-headed motor 4 is utilized to rotate the rotary shaft 5, and the longitudinal belt assembly 13 is matched with the rotary shaft, so that the powder sieve holes 20 and the transverse shaft 21 can be rotated, the adjusting sieve plate 19 is knocked to shake, and part of powder adhered to the fixed sieve plate 18 is shaken off from the powder sieve holes 20, so that the powder can be collected and reused in a later period, and the utilization efficiency of the chewing tablet is improved;

The inside of the longitudinal belt assembly 13 is penetrated with a transverse shaft 21, one end of the transverse shaft 21 extends to the inside of the chewable tablet conveying cylinder 2, knocking rubber blocks 22 are uniformly arranged on two sides of the transverse shaft 21, a feeding port 14 is arranged on the outer side of the chewable tablet conveying cylinder 2, a turnover plate 11 is arranged on the outer side of the chewable tablet conveying cylinder 2, a conveying cylinder 12 is arranged on one side of the chewable tablet conveying cylinder 2 below the feeding port 14, a fixed screen plate 18 is arranged on one side of the inside of the chewable tablet conveying cylinder 2, an adjusting screen plate 19 is arranged in the inside of the chewable tablet conveying cylinder 2 below the fixed screen plate 18, and guide assemblies 23 are arranged on two sides of the fixed screen plate 18;

One end of the guide component 23 extends to the inner wall of the chewable tablet conveying cylinder 2, and an annular groove with a circular section is formed in the inner wall of the chewable tablet conveying cylinder 2;

Specifically, as shown in fig. 3, when in use, the fixed screen plate 18 rotates to drive the guide assembly 23 to rotate in the chewing tablet conveying cylinder 2, so that the supporting and guiding effects can be realized;

Powder sieve holes 20 are uniformly formed in the fixed sieve plate 18 and the adjusting sieve plate 19;

the support seat 1 is internally provided with a cavity with a circular cross section, the cross sections of the fixed sieve plate 18 and the adjusting sieve plate 19 are circular, the cross sections of the powder sieve holes 20 are circular, and the fixed sieve plate 18 and the adjusting sieve plate 19 are annularly distributed;

Specifically, as shown in the feeding pipe 3 and the double-headed motor 4, when in use, a plurality of groups of powder sieve holes 20 are arranged on the fixed sieve plate 18 and the adjusting sieve plate 19, so that the powder of the chewable tablet can be filtered and sieved to ensure the completeness of conveying the chewable tablet;

the top end of the fixed screen plate 18 is provided with a rotating mechanism 15;

The rotating mechanism 15 comprises a rotating rod 1501, the rotating rod 1501 is arranged in the chewing tablet conveying cylinder 2, one end of the rotating rod 1501 is connected with one end of the fixed sieve plate 18, one end of the outer side of the rotating rod 1501 is sleeved with a supporting disc 1503, one end of the rotating rod 1501 extends to the outer wall of the chewing tablet conveying cylinder 2 and is connected with a rotating handle 1502, one end of the outer side of the rotating handle 1502 is provided with a fixing pin 1504, and one end of the fixing pin 1504 extends to the top end of the chewing tablet conveying cylinder 2;

Specifically, as shown in fig. 3 and 5, when in use, the rotary handle 1502 is utilized to drive the rotary rod 1501 to rotate, so that the fixed screen plate 18 can be driven to rotate synchronously, the powder sieve holes 20 on the fixed screen plate 18 and the adjusting screen plate 19 are distributed in a staggered manner, the through area of the powder sieve holes 20 is changed, and the chewable tablets with different particle diameters can be screened to meet different conveying requirements.

Working principle: when the utility model is used, firstly, the chewable tablets to be conveyed are poured into the chewable tablet conveying cylinder 2 from the feed pipe 3, the complete chewable tablet particles fall on the fixed sieve plate 18, the crushed powder particles fall to the bottom of the chewable tablet conveying cylinder 2 along the powder sieve holes 20 and fall into the collecting cylinder 8 along the powder delivery pipe 7, and are collected by the collecting cylinder 8 so as to be reused in the later period;

Secondly, the double-headed motor 4 is rotated to drive the rotating shaft 5 to rotate, so that two groups of transverse belt assemblies 6 are driven to operate, then the rotating disc 16 and the rubber rod 17 are driven to rotate, the falling chewing piece particles can be stirred, the screening of powder is accelerated, the rotating disc 16 is driven to rotate, so that the transverse shaft 21 is driven to rotate, then the knocking rubber block 22 is driven to synchronously rotate, namely, the adjusting sieve plate 19 is knocked in the rotating process of the knocking rubber block 22, so that the adjusting sieve plate 19 vibrates, the powder falling on the adjusting sieve plate 19 can be rapidly shaken, and the screening efficiency of the powder is accelerated;

Then, open the flip board 11, drive electric telescopic handle 901, promote connecting plate 902, diaphragm 904 and pushing away material scraper 903 and do lateral movement, then will put the chewable tablet of leaving on the fixed sieve 18 and release from pay-off mouth 14, make it send out along carrying feed cylinder 12, in order to accomplish the transport of chewable tablet, later stage in the use, according to different chewable tablet transport demands, manual rotatory handle 1502, drive bull stick 1501 rotation, and drive fixed sieve 18 synchronous rotation, cooperation guide assembly 23 supports the direction, can make fixed sieve 18 and adjust the powder sieve mesh 20 on the sieve 19 and misplace the distribution, adjust the through-hole size of powder sieve mesh 20, can carry out the screening to the chewable tablet of different particle diameters and carry, improve the application range of this conveyer.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

The apparatus embodiments described above are merely illustrative, wherein the elements illustrated as separate elements may or may not be physically separate, and the elements shown as elements may or may not be physical elements, may be located in one place, or may be distributed over a plurality of network elements. Some or all of the modules may be selected according to actual needs to achieve the purpose of the solution of this embodiment. Those of ordinary skill in the art will understand and implement the present invention without undue burden.

Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present utility model, and are not limiting; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present utility model.

Claims (9)

1. The utility model provides a but chewable tablet conveyer of clearance powder, is including supporting seat platform (1), chewable tablet transport section of thick bamboo (2), its characterized in that: the utility model discloses a masticatory sheet conveying cylinder (2) is installed on the top of supporting seat platform (1), supporting leg (10) are all installed to the both sides of supporting seat platform (1) bottom, and have connected between supporting leg (10) collection tube (8), inlet pipe (3) are all installed on both sides on masticatory sheet conveying cylinder (2) top, powder delivery tube (7) are installed to the bottom of masticatory sheet conveying cylinder (2), double-end motor (4) are installed to one side of masticatory sheet conveying cylinder (2) back, one side of masticatory sheet conveying cylinder (2) of double-end motor (4) below is provided with carries pushing mechanism (9), rotation axis (5) are all installed at the both ends of double-end motor (4), horizontal belt subassembly (6) are all installed to one end of rotation axis (5), a set of vertical belt subassembly (13) are installed to one end of rotation axis (5), and the inside of vertical belt subassembly (13) runs through there is cross axle (21), one end of cross axle (21) extends to the inside of masticatory sheet conveying cylinder (2), one end of cross axle (21) is provided with carries pushing mechanism (9), rotation axis (4) both sides are installed on both sides of masticatory sheet conveying cylinder (2) and are installed to beat and are carried piece (14), the feeding device is characterized in that a feeding cylinder (12) is arranged on one side of a chewing tablet conveying cylinder (2) below the feeding port (14), a fixed screen plate (18) is arranged on one side of the inside of the chewing tablet conveying cylinder (2), an adjusting screen plate (19) is arranged in the chewing tablet conveying cylinder (2) below the fixed screen plate (18), guide assemblies (23) are arranged on two sides of the fixed screen plate (18), powder screening holes (20) are uniformly formed in the fixed screen plate (18) and the adjusting screen plate (19), and a rotating mechanism (15) is arranged on the top end of the fixed screen plate (18).

2. The powder cleanable chew tablet conveyor of claim 1 wherein: one end of each transverse belt assembly (6) extends to the inside of the supporting seat (1) and is provided with a connecting shaft (24), one end of each connecting shaft (24) is provided with a rotating disc (16), and one side of each rotating disc (16) is uniformly provided with a rubber rod (17).

3. The powder cleanable chew tablet conveyor of claim 2 wherein: two groups of rubber rods (17) are arranged on the rotating disc (16), each group is provided with two, and the two groups of rubber rods are distributed in a cross shape on the rotating disc (16).

4. The powder cleanable chew tablet conveyor of claim 1 wherein: the inside of supporting seat platform (1) is provided with the cross-section and is circular cavity, the cross-section of fixed sieve (18) and regulation sieve (19) is circular, powder sieve mesh (20) cross-section is circular, is annular distribution on fixed sieve (18) and regulation sieve (19).

5. The powder cleanable chew tablet conveyor of claim 1 wherein: one end of the guide component (23) extends to the inner wall of the chewable tablet conveying cylinder (2), and an annular groove with an annular section is formed in the inner wall of the chewable tablet conveying cylinder (2).

6. The powder cleanable chew tablet conveyor of claim 1 wherein: rotary mechanism (15) are including bull stick (1501), and bull stick (1501) set up in the inside of chewing piece transport section of thick bamboo (2), the one end of bull stick (1501) is connected with the one end of fixed sieve (18), supporting disk (1503) have been cup jointed to the one end in bull stick (1501) outside, the one end of bull stick (1501) extends to the outer wall of chewing piece transport section of thick bamboo (2) and is connected with rotatory handle (1502), and fixed pin (1504) are installed to the one end in rotatory handle (1502) outside, the one end of fixed pin (1504) extends to the top of chewing piece transport section of thick bamboo (2).

7. The powder cleanable chew tablet conveyor of claim 1 wherein: carry pushing equipment (9) including electric telescopic handle (901), and electric telescopic handle (901) set up in the back of chewing piece transport section of thick bamboo (2), the one end of electric telescopic handle (901) extends to the inner wall of chewing piece transport section of thick bamboo (2) and installs connecting plate (902), and diaphragm (904) are installed to one side of connecting plate (902), pushing scraper (903) are evenly installed to the bottom of diaphragm (904).

8. The powder cleanable chew tablet conveyor of claim 7 wherein: the transverse plate (904) is provided with a movable groove with a rectangular cross section, and the groove width of the movable groove is matched with the outer diameter of the rotating rod (1501).

9. The powder cleanable chew tablet conveyor of claim 1 wherein: the transverse belt assembly (6) comprises a driving wheel, a driven wheel and a connecting belt, the driving wheel is sleeved on the outer side of the rotating shaft (5), the driven wheel is sleeved on one end of the connecting shaft (24), the connecting belt is connected between the driving wheel and the driven wheel, the longitudinal belt assembly (13) comprises two groups of connecting wheels and a transmission belt, the connecting wheels are sleeved on one ends of the rotating shaft (5) and the transverse shaft (21) respectively, and the transmission belt is connected between the two groups of connecting wheels.