CN216873913U

CN216873913U - High-efficient cyperus esculentus harvester of towed

Info

Publication number: CN216873913U
Application number: CN202220595747.6U
Authority: CN
Inventors: 朱劲澎
Original assignee: Xinxiang Deland Pharmaceutical Machinery Co ltd
Current assignee: Xinxiang Deland Pharmaceutical Machinery Co ltd
Priority date: 2022-03-18
Filing date: 2022-03-18
Publication date: 2022-07-05
Anticipated expiration: 2032-03-18

Abstract

The utility model discloses a traction type efficient cyperus esculentus harvester, which comprises: including the frame, the frame front end is connected with drive mechanism, is provided with hack feed mechanism, double-deck shale shaker and receipts material hoist mechanism in the frame respectively, the top of frame is provided with transverse conveying mechanism, screening auger and feed bin, transverse conveying mechanism's import with receive material hoist mechanism's exit end butt joint, the entrance point of screening auger with transverse conveying mechanism's exit end butt joint, the exit end of screening auger pass through the stock guide with the feed bin butt joint. According to the utility model, when the transverse conveying mechanism is used for conveying, the light straw impurities are removed, soil blocks are crushed, then the screening auger is used for rotating and screening, the harvested rhizome fruits are screened and purified in multiple modes, the working efficiency is obviously improved, the average harvesting efficiency reaches 3-4 mu of land in one hour, and the screening and purifying effects on the harvested rhizome fruits are obviously improved.

Description

High-efficient cyperus esculentus harvester of towed

Technical Field

The utility model relates to the technical field of cyperus esculentus harvesters, in particular to a traction-type efficient cyperus esculentus harvester.

Background

The existing medicinal material harvester mainly has two types, namely a self-propelled type and a traction type, for example, the applicant team applies for the harvester with the authorization notice number of CN211558007U and the authorization notice date of 2020.09.25 in advance, and the name is a traction type small-particle root-tuber crop harvester, so that the problems of traction turning and power output are solved, the transition of a large-scale traction frame is greatly facilitated, the working efficiency is further improved, and the application range is wide.

However, in actual use, the towed small-particle root crop harvester only uses the double-layer vibrating screen to screen and separate soil blocks from harvested root crops in a screening mode, so that the screening and impurity removing effects are poor, the efficiency is low when harvesting operation is actually carried out in order to improve the screening effect, and the average harvesting efficiency is 2 mu of land in one hour.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a traction type efficient cyperus esculentus harvester, which aims to overcome the defects in the prior art.

In order to achieve the purpose, the utility model adopts the following technical scheme: a high-efficient cyperus esculentus harvester of towed, include: the automatic material collecting and conveying device comprises a frame, the frame front end is connected with drive mechanism, be provided with hack feed mechanism, double-deck shale shaker in the frame respectively and receive material hoist mechanism, the top of frame is provided with transverse conveying mechanism, screening auger and feed bin, transverse conveying mechanism's import with receive material hoist mechanism's exit end butt joint, the entrance point of screening auger with transverse conveying mechanism's exit end butt joint, the exit end of screening auger pass through the stock guide with the feed bin butt joint.

As a further description of the above technical solution:

the transverse conveying mechanism comprises a conveying frame fixed at the top of the frame, conveying rollers are symmetrically and rotatably arranged on the inner side of the conveying frame, and a conveying belt is sleeved between the two conveying rollers.

As a further description of the above technical solution:

the conveying frame is located the shaping of its direction of delivery tail end and has connect the silo, connect the inboard symmetrical rotation of silo to be provided with two crushing rollers, the bottom opening that connects the silo is provided with and connects the flitch, the tail end that connects the flitch extends to screening auger induction zone inboard.

As a further description of the above technical solution:

the outside symmetry of carriage is provided with two transmission fluted discs, and two transmission fluted discs are connected with two crushing rollers through the connecting axle respectively, the outside of carriage is located to rotate between two transmission fluted discs and is provided with the drive fluted disc, and the drive fluted disc meshes with two transmission fluted discs mutually, the drive fluted disc passes through driving belt and is connected with the transmission roller bearing transmission.

As a further description of the above technical solution:

the top of carriage is provided with the suction hood, the suction hood is connected with the fan through the connecting pipe.

As a further description of the above technical solution:

the top symmetry of frame is rotated and is provided with two roller bearings, and the symmetry is provided with a set of axle sleeve on two roller bearings, the screening auger rotates and sets up two between the roller bearing, the inboard of screening auger is located entrance point and exit end and all circularizes and be provided with a plurality of baffles, the inside wall of screening auger annularity etc. angle is provided with a plurality of spiral curb plates.

As a further description of the above technical solution:

the top of the frame is positioned at the bottom of the screening auger, and a soil unloading supporting plate is obliquely fixed at the bottom of the screening auger.

As a further description of the above technical solution:

the hack feed mechanism is including setting up the feeding scraper bowl in the frame, feeding scraper bowl front end is provided with the hack arbor, the gauge wheel and the sword that loosens the soil, and the sword setting that loosens the soil is in feeding scraper bowl front end lower part, it is provided with the slant conveyer belt to lie in the sword rear end that loosens the soil on the feeding scraper bowl, the tail end of slant conveyer belt extends to the entrance point of double-deck shale shaker.

As a further description of the above technical solution:

the double-deck shale shaker includes upper and lower alternate upper sieve and the lower floor's sieve that sets up in the frame inboard, upper sieve and lower floor's sieve side are connected with the vibration arm through the side bearer rotation, the vibration arm top is connected with the frame rotation.

As a further description of the above technical solution:

the vibration machine is characterized in that a driving disc is rotatably arranged in the rack, a driving arm is eccentrically hinged to the driving disc, and the driving arm is rotatably hinged to the connecting position of the bottom end of the vibration arm.

The utility model provides a traction type efficient cyperus esculentus harvester. The method has the following beneficial effects:

this high-efficient cyperus esculentus harvester of towed high-efficient through set up transverse conveying mechanism and screening auger in the frame, the realization is carried out transverse conveying to the screening auger to the fruit rhizome of results and is carried out the secondary screening, transverse conveying mechanism realizes cleaing away light straw impurity and carry out shredding to the clod when carrying simultaneously, then rotate the screening through the screening auger, finally carry and collect in the feed bin, the realization carries out multiple mode screening edulcoration processing to the rhizome fruit of results, show and improve work efficiency, the efficiency of realizing average results reaches 3-4 mu ground an hour, and show the effect that improves the fruit rhizome screening edulcoration of results.

Drawings

FIG. 1 is a schematic diagram of the overall structure of a traction-type efficient cyperus esculentus harvester provided by the utility model;

FIG. 2 is a schematic structural view of a sieving auger according to the present invention;

FIG. 3 is a schematic structural view of the lateral transfer mechanism of the present invention;

fig. 4 is a schematic structural view of a double-deck vibrating screen according to the present invention.

Illustration of the drawings:

1. a frame; 11. moving the roller; 12. a traction mechanism; 13. unloading the soil supporting plate; 2. a soil crushing and feeding mechanism; 21. A feed bucket; 22. a soil loosening blade; 23. a soil crushing cutter shaft; 24. an oblique conveying belt; 25. a depth wheel; 3. a double-layer vibrating screen; 31. a lower layer sieve plate; 32. an upper layer sieve plate; 33. a vibrating arm; 34. a drive disc; 35. a drive arm; 4. a material receiving and lifting mechanism; 5. a transverse conveying mechanism; 51. a carriage; 511. a dust hood; 512. a fan; 513. a connecting pipe; 52. a conveying roller; 53. a conveyor belt; 54. a material receiving groove; 55. a crushing roller; 56. A transmission fluted disc; 57. a driving fluted disc; 58. a drive belt; 59. a material receiving plate; 6. screening the auger; 61. a baffle plate; 62. a spiral side plate; 63. a roller; 64. a shaft sleeve; 7. a storage bin; 71. a material guide plate; 8. and a separating mechanism.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

Referring to fig. 1-4, a pull-type high efficiency cyperus esculentus harvester includes: including frame 1, frame 1 front end is connected with drive mechanism 12, be provided with hack feed mechanism 2 in the frame 1 respectively, double-deck shale shaker 3, and receive material hoist mechanism 4, the top of frame 1 is provided with transverse conveying mechanism 5, screening auger 6 and feed bin 7, transverse conveying mechanism 5's import and the exit end butt joint of receiving material hoist mechanism 4, the entrance point of screening auger 6 and transverse conveying mechanism 5's exit end butt joint, the exit end of screening auger 6 passes through stock guide 71 and butt joint with feed bin 7. Specifically, the embodiment provides a traction-type efficient cyperus esculentus harvester, wherein moving rollers 11 are symmetrically installed on two sides of a frame 1, the front end of the frame 1 is connected with a traction mechanism 12, the specific structure of the traction mechanism 12 adopts an authorization notice number of CN211558007U previously applied by the applicant, and is named as a traction mechanism in the traction-type small-particle root and stem crop harvester, when the traction-type efficient cyperus esculentus harvester is in operation, root and stem crop fruits are firstly shoveled out of soil and conveyed to a double-layer vibrating screen 3 through a soil crushing feeding mechanism 2 on the traction-type efficient cyperus esculentus harvester, the double-layer vibrating screen 3 carries out screening and impurity removal and then conveys the shoveled root and stem crop fruits to a receiving and lifting mechanism 4, wherein the receiving and lifting mechanism 4 can adopt a receiving and lifting mechanism for small-particle root and stem crops with a publication number of 208258414U previously applied by the applicant, or adopt a receiving and lifting mechanism in a self-propelled small-particle root and stem crop harvester with a previously applied application number of 2018103257608 by the applicant, then the materials are conveyed to a transverse conveying mechanism 5 by a material receiving and lifting mechanism 4, conveyed to a screening auger 6 by the transverse conveying mechanism 5, rotated and screened by the screening auger 6 and conveyed to a storage bin 7 for storage.

The transverse conveying mechanism 5 comprises a conveying frame 51 fixed at the top of the frame 1, conveying rollers 52 are symmetrically and rotatably arranged on the inner side of the conveying frame 51, and a conveying belt 53 is sleeved between the two conveying rollers 52. The tail end of the conveying frame 51 in the conveying direction is provided with a material receiving groove 54, two crushing rollers 55 are symmetrically and rotatably arranged on the inner side of the material receiving groove 54, a material receiving plate 59 is arranged at an opening at the bottom of the material receiving groove 54, and the tail end of the material receiving plate 59 extends to the inner side of an inlet section of the screening auger 6. Two transmission fluted discs 56 are symmetrically arranged on the outer side of the conveying frame 51, the two transmission fluted discs 56 are respectively connected with the two crushing rollers 55 through connecting shafts, a driving fluted disc 57 is rotatably arranged between the two transmission fluted discs 56 on the outer side of the conveying frame 51, the driving fluted disc 57 is meshed with the two transmission fluted discs 56, and the driving fluted disc 57 is in transmission connection with the conveying rollers 52 through a transmission belt 58. Further, when the transverse conveying mechanism 5 carries, it rotates to drive the conveyer belt 53 through two conveying roller 52 and rotates and realize carrying, the conveyer belt 53 carries rhizome fruit and clod to between two crushing rollers 55, the conveying roller 52 cooperates the drive belt 58 to drive the rotation of drive fluted disc 57 when changeing simultaneously, drive fluted disc 57 cooperates two drive fluted disc 56 to drive two crushing rollers 55 and rotate in order to realize carrying out the regrinding processing to the clod, clod and rhizome fruit after smashing out are finally carried to screening auger 6 through material receiving plate 59.

The top of the conveying frame 51 is provided with a dust hood 511, and the dust hood 511 is connected with a fan 512 through a connecting pipe 513. Furthermore, a dust hood 511 is arranged on the conveying frame 51, and the dust hood 511 is connected with a fan 512 by matching with a connecting pipe 513 to realize the suction and discharge of light impurity straws in the rootstock fruits conveyed on the conveying belt 53 in the conveying frame 51 so as to realize impurity removal.

The top symmetry of frame 1 is rotated and is provided with two roller bearings 63, and the symmetry is provided with a set of axle sleeve 64 on two roller bearings 63, and screening auger 6 rotates and sets up between two roller bearings 63, and the inboard of screening auger 6 is located entrance point and exit end and all encircles and be provided with a plurality of baffles 61, and the inside wall of screening auger 6 encircles and the equidistance is provided with a plurality of spiral curb plates 62. The crushed soil blocks and the crushed rhizome fruits are finally conveyed into the screening auger 6 through the material receiving plate 59, the screening auger 6 is driven to rotate through the roller 63 matched with the shaft sleeve 64, the screening auger 6 realizes that the soil blocks and the rhizome fruits inside the screening auger 6 are rotatably screened, meanwhile, when the screening auger 6 rotates, the spiral side plates 62 inside the screening auger can bring the soil blocks and the rhizome fruits above the inner side of the screening auger 6 and fall off to break the soil blocks, the soil blocks and the rhizome fruits are conveyed to the outlet end of the screening auger 6, furthermore, a plurality of baffle plates 61 are annularly arranged on the inner side of the screening auger 6 at the outlet end, the screened rhizome fruits can be brought above the inner side of the outlet end of the screening auger 6 and fall into the material guide plate 71, and finally conveyed to the material bin 7 through the material guide plate 71 to be collected.

The top of the frame 1 is positioned at the bottom of the screening auger 6 and is fixed with a soil unloading supporting plate 13 in an inclined way. Soil sunned by the screening auger 6 is received by the soil unloading supporting plate 13 and discharged from the side edge of the machine frame 1.

The soil crushing feeding mechanism 2 comprises a feeding bucket 21 arranged on the rack, a soil crushing cutter shaft 23 is arranged at the front end of the feeding bucket 21, a depth limiting wheel 25 and a soil loosening cutter 22 are arranged at the lower part of the front end of the feeding bucket 21, an inclined conveying belt 24 is arranged at the rear end of the soil loosening cutter 22 on the feeding bucket 21, and the tail end of the inclined conveying belt 24 extends to the inlet end of the double-layer vibrating screen 3. The hack feed mechanism 2 shovels out the rhizome crop fruit from soil and carries to double-deck shale shaker 3 specifically to do, shovels out the tiny particle rhizome crop fruit from soil through scarification sword 22 of feeding scraper bowl 21 front end, carries out preliminary breakage to bold soil through hack arbor 23 to send into slant conveyer belt 24, has slant conveyer belt 24 to carry to double-deck shale shaker 3, can set up the compression roller on the slant conveyer belt 24, sends into double-deck shale shaker 3 after further breaking to bold soil through the compression roller.

The double-layer vibrating screen 3 comprises an upper-layer screen plate 32 and a lower-layer screen plate 31 which are arranged on the inner side of the frame 1 at an upper-lower interval, the side edges of the upper-layer screen plate 32 and the lower-layer screen plate 31 are rotatably connected with vibrating arms 33 through side frames, and the top ends of the vibrating arms 33 are rotatably connected with the frame 1. A driving disk 34 is rotatably arranged in the frame 1, a driving arm 35 is eccentrically hinged on the driving disk 34, and the driving arm 35 is rotatably hinged with the bottom end of the vibrating arm 33. Specifically, the feeding end of the upper screen plate 32 is connected with the discharging end of the inclined conveyor belt 24, the discharging end of the upper screen plate 32 is longer than the lower screen plate 31 and extends out of the rear end of the rack 1 to form a soil block discharging and backfilling structure, the discharging end of the lower screen plate 31 is connected with the feeding end of the material receiving and lifting mechanism 4, a first screen hole used for separating small-particle root-tuber crop fruits and enabling the small-particle root-tuber crop fruits to fall into the lower screen plate 31 is formed in the upper screen plate 32, and a second screen hole used for separating soil blocks and enabling the small-particle root-tuber crop fruits to be continuously conveyed forwards is formed in the lower screen plate 31; the aperture of the first sieve pore is larger than the particle size of the small-particle root-tuber crop fruit, and the aperture of the second sieve pore is smaller than the particle size of the small-particle root-tuber crop fruit; optionally, the first mesh has a pore size of 15-20mm and the second mesh has a pore size of 6-12 mm. During screening, the root-tuber crop fruits and part of smaller soil blocks fall on the lower-layer screen plate 31 through the first screen holes in the upper-layer screen plate 32 and continue to be conveyed forwards in a vibrating mode along the conveying direction of the lower-layer screen plate 31, in the vibrating conveying process, the smaller soil blocks are separated through the second screen holes, large soil blocks left on the upper-layer screen plate 32 fall on the ground from the discharging end of the upper-layer screen plate extending out of the upper-layer screen plate and are backfilled, the root-tuber crop fruits continue to be conveyed forwards on the lower-layer screen plate 31, and finally the remaining small-particle root-tuber crop fruits and part of soil conveying belt are conveyed into the material receiving and lifting mechanism 4.

Furthermore, a separating mechanism 8 is arranged at the outlet end of the inclined conveyor belt 24 on the frame 1, the separating mechanism 8 can adopt the application number 2021223440529 previously applied by the applicant and is named as a separating mechanism in the high-efficiency separating device for the crawler-type cyperus esculentus harvester, namely, the inclined conveyor belt 24 firstly conveys the cyperus esculentus and soil blocks into the separating mechanism 8, then the soil is crushed by the crushing roller inside the separating mechanism in a rotating way and matched with the crushing convex teeth and the material guide baffle plate on the separating mechanism, the cyperus esculentus is separated from roots and stems, and then the crushed cyperus esculentus enters the double-layer vibrating screen 3 for screening, so that the cleanliness of the cyperus esculentus is obviously improved.

The working principle is as follows: the tractor is matched with a traction mechanism 12 to drive the traction type high-efficiency cyperus esculentus harvester to move, firstly, small-particle rhizome crop fruits are shoveled out of soil by a scarification knife 22 at the front end of a feeding bucket 21, large soil is primarily crushed by a soil crushing knife shaft 23 and is sent into an inclined conveyer belt 24, the inclined conveyer belt 24 is conveyed to a double-layer vibrating screen 3, a press roll can be arranged on the inclined conveyer belt 24, the large soil is further crushed by the press roll and then is sent into an upper double-layer vibrating screen 3, the small soil blocks and partial small soil blocks fall onto a lower layer sieve plate 31 through a first sieve hole on an upper layer sieve plate 32 and continue to be conveyed forwards in the conveying direction of the lower layer sieve plate 31 in a vibrating conveying process, the small soil blocks are separated by a second sieve hole, the large soil blocks left on the upper layer sieve plate 32 fall into a discharge end of the upper layer sieve plate extending out part to backfill the ground rhizome, the rootstock fruits are continuously conveyed forwards on the lower-layer sieve plate 31, the residual small-particle rootstock fruits and a small part of soil conveying belt are finally conveyed into the material receiving and lifting mechanism 4 and conveyed to the transverse conveying mechanism 5 through the material receiving and lifting mechanism, when the transverse conveying mechanism 5 conveys the residual small-particle rootstock fruits and a small part of soil conveying belt, the conveying belt 53 drives the conveying belt 53 to rotate to realize conveying, the rootstock fruits and soil blocks are conveyed to a position between two crushing rollers 55 by the conveying belt 53, meanwhile, the conveying roller 52 drives the driving fluted disc 57 to rotate by matching with the transmission belt 58 when rotating, the driving fluted disc 57 drives the two crushing rollers 55 to rotate oppositely by matching with the two driving fluted discs 56 to realize secondary crushing treatment on the soil blocks, the conveying frame 51 is provided with the dust collection cover 511, the dust collection cover 511 is connected with the connecting pipe 513 to be connected with the fan 512 to realize suction and discharge of light impurity straws in the rootstock fruits conveyed on the conveying frame 53 to realize impurity removal, the soil blocks and the rhizome fruits after being crushed and purified are finally conveyed into the screening auger 6 through the material receiving plate 59, the screening auger 6 is driven to rotate through the roller 63 matched with the shaft sleeve 64, the soil blocks and the rhizome fruits inside the screening auger 6 are screened in a rotating mode through the screening auger 6, meanwhile, when the screening auger 6 rotates, the spiral side plates 62 inside the screening auger can bring the soil blocks and the rhizome fruits to the upper portion of the inner side of the screening auger 6 and drop to break the soil blocks, the soil blocks and the rhizome fruits are conveyed to the outlet end of the screening auger 6, furthermore, a plurality of baffle plates 61 are annularly arranged on the inner side of the screening auger 6 at the outlet end, the screened rhizome fruits can be brought to the upper portion of the inner side of the outlet end of the screening auger 6 and drop into the material guide plate 71, and finally conveyed to the material storage bin 7 through the material guide plate 71 to be collected.

Claims

1. A pull-type efficient cyperus esculentus harvester comprises: including frame (1), frame (1) front end is connected with drive mechanism (12), be provided with hack feed mechanism (2), double-deck shale shaker (3) and receipts material hoist mechanism (4), its characterized in that on frame (1) respectively:

the top of frame (1) is provided with transverse conveying mechanism (5), screening auger (6) and feed bin (7), the import of transverse conveying mechanism (5) with receive the exit end butt joint of material hoist mechanism (4), the entrance point of screening auger (6) with the exit end butt joint of transverse conveying mechanism (5), the exit end of screening auger (6) pass through stock guide (71) with feed bin (7) butt joint.

2. The high-efficiency traction type cyperus esculentus harvester according to claim 1, characterized in that the transverse conveying mechanism (5) comprises a conveying frame (51) fixed on the top of the frame (1), conveying rollers (52) are symmetrically and rotatably arranged on the inner side of the conveying frame (51), and a conveying belt (53) is sleeved between the two conveying rollers (52).

3. The pull-type efficient cyperus esculentus harvester according to claim 2, wherein the tail end of the conveying frame (51) in the conveying direction is provided with a receiving groove (54), two crushing rollers (55) are symmetrically and rotatably arranged inside the receiving groove (54), a receiving plate (59) is arranged at an opening at the bottom of the receiving groove (54), and the tail end of the receiving plate (59) extends to the inner side of an inlet section of the screening auger (6).

4. The pull-type efficient cyperus esculentus harvester according to claim 3, wherein two transmission fluted discs (56) are symmetrically arranged on the outer side of the conveying frame (51), the two transmission fluted discs (56) are respectively connected with the two crushing rollers (55) through connecting shafts, a driving fluted disc (57) is rotatably arranged between the two transmission fluted discs (56) on the outer side of the conveying frame (51), the driving fluted disc (57) is meshed with the two transmission fluted discs (56), and the driving fluted disc (57) is in transmission connection with the conveying rollers (52) through a transmission belt (58).

5. The high-efficiency traction type cyperus esculentus harvester according to claim 2, characterized in that a dust hood (511) is arranged at the top of the conveying frame (51), and the dust hood (511) is connected with a fan (512) through a connecting pipe (513).

6. The pull-type efficient cyperus esculentus harvester according to claim 1, wherein two rollers (63) are symmetrically arranged on the top of the frame (1) in a rotating manner, a set of shaft sleeves (64) are symmetrically arranged on the two rollers (63), the screening packing auger (6) is arranged between the two rollers (63) in a rotating manner, a plurality of baffles (61) are annularly arranged on the inner side of the screening packing auger (6) at the inlet end and the outlet end, and a plurality of spiral side plates (62) are annularly arranged on the inner side wall of the screening packing auger (6) at equal angles.

7. The high-efficiency towed cyperus esculentus harvester according to claim 1, characterized in that a soil unloading supporting plate (13) is obliquely fixed at the bottom of the screening auger (6) at the top of the frame (1).

8. The high-efficiency towed cyperus esculentus harvester according to claim 1, wherein the soil crushing and feeding mechanism (2) comprises a feeding bucket (21) arranged on a frame, the front end of the feeding bucket (21) is provided with a soil crushing cutter shaft (23), a depth wheel (25) and a soil loosening cutter (22), the soil loosening cutter (22) is arranged at the lower part of the front end of the feeding bucket (21), an inclined conveying belt (24) is arranged on the feeding bucket (21) and positioned at the rear end of the soil loosening cutter (22), and the tail end of the inclined conveying belt (24) extends to the inlet end of the double-layer vibrating screen (3).

9. The high-efficiency traction type cyperus esculentus harvester according to claim 1, characterized in that the double-layer vibrating screen (3) comprises an upper-layer screen plate (32) and a lower-layer screen plate (31) which are arranged on the inner side of the frame (1) at intervals, the sides of the upper-layer screen plate (32) and the lower-layer screen plate (31) are rotatably connected with vibrating arms (33) through side frames, and the top ends of the vibrating arms (33) are rotatably connected with the frame (1).

10. The high-efficiency towed cyperus esculentus harvester according to claim 9, characterized in that a driving disk (34) is rotatably disposed in the frame (1), a driving arm (35) is eccentrically hinged on the driving disk (34), and the driving arm (35) is rotatably hinged at the connecting position of the bottom ends of the vibrating arms (33).