CN112493181A

CN112493181A - A sorting device for pearl that lives is weighed

Info

Publication number: CN112493181A
Application number: CN202011328914.2A
Authority: CN
Inventors: 程仁功
Original assignee: Anhui Xingcheng Food Co ltd
Current assignee: Anhui Xingcheng Food Co ltd
Priority date: 2020-11-24
Filing date: 2020-11-24
Publication date: 2021-03-16

Abstract

The invention discloses a sorting device for weighing live beads, which belongs to the technical field of live bead sorting and comprises a sorting table and an electronic scale, wherein a circular plate is arranged in the middle of the upper surface of the sorting table, an object placing column is arranged on the upper surface of the electronic scale, a fixed shaft is fixed on the lower surface of the electronic scale, a sleeve is fixed at the circle center of the upper surface of the circular plate, the bottom of the fixed shaft is rotatably arranged inside the sleeve through a bearing, four rolling assemblies for improving the rotation stability of the electronic scale are arranged at the bottom of the electronic scale, a first groove is formed in the upper end of the object placing column, a rubber pad is adhered to the inner surface of the first groove, and a plurality of protruding ribs are arranged on one side surface; through setting up the electronic scale, utilize the accurate weighing capacity of electronic scale for people can be fast and accurate sort live pearl, reduced staff's intensity of labour, also be favorable to improving the efficiency of letter sorting simultaneously.

Description

A sorting device for pearl that lives is weighed

Technical Field

The invention belongs to the technical field of live bead sorting, and particularly relates to a sorting device for weighing live beads.

Background

The live beads refer to eggs which are about to be hatched into a life but are not completely formed, marks of heads, wings and feet are already formed in the eggs, the egg hatching substance of the eggs which are also used as the live beads is called as a chicken embryo which is developed through traditional hatching, and the live beads are called as live beads because blastocysts are shaped like movable pearls in a perspective state in the development process, have the effects of beautifying, health care, blood enriching and the like, and need to be sorted because the live beads have different sizes and different selling prices.

The existing live bead sorting method is generally to distinguish the sizes of live beads by using human eyes and then classify the live beads, the sorting method has very poor accuracy, only can sort the live beads with larger volume difference, and the live beads with small volume difference cannot be sorted by using the method.

Disclosure of Invention

The invention aims to provide a sorting device for weighing live beads, which solves the problems that the existing live bead sorting method usually utilizes manual naked eyes to distinguish the sizes of the live beads and then sorts the live beads, the sorting method has very poor accuracy, only can sort the live beads with larger volume difference, and cannot sort the live beads with smaller volume difference by the method.

In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a sorting device for live pearl is weighed, includes letter sorting platform and electronic scale, be provided with the plectane in the middle of the upper surface of letter sorting platform, the last surface mounting of electronic scale has puts the thing post, and the lower fixed surface of electronic scale has the fixed axle, the upper surface centre of a circle department of plectane is fixed with the sleeve, the bottom of fixed axle is passed through the bearing and is rotated and install in telescopic inside, the bottom of electronic scale is provided with four rolling subassemblies that are used for improving electronic scale rotational stability, it sets up fluted one to put the upper end of thing post, and the internal surface paste of recess one has the rubber pad, the rubber pad is kept away from a side of putting the thing post and is provided with a plurality of protruding muscle, the bottom of letter sorting platform is provided with two supporting component, supporting component.

By adopting the scheme, through the arrangement of the electronic scale and the utilization of the accurate weighing capacity of the electronic scale, people can quickly and accurately sort live beads, the labor intensity of workers is reduced, and meanwhile, the sorting efficiency is improved; through setting up fixed axle, sleeve and bearing for the electronic scale can rotate on the plectane, thereby makes people can be according to the position of the position control electronic scale of self, and the actual operation of giving people provides convenient.

In a preferred embodiment, the rolling assembly includes a roller and two fixed plates, the top of the fixed plate is fixedly mounted on the lower surface of the electronic scale, and the roller is rotatably mounted between the two fixed plates.

By adopting the scheme, the rolling assembly is arranged, and the supporting effect of the roller wheel on the electronic scale is utilized, so that the electronic scale can be more stable in the rotating process, and the electronic scale is prevented from shaking.

As a preferred embodiment, a first gas spring is fixedly mounted on a side surface of one of the fixing plates, a positioning ball is fixed at the bottom end of the first gas spring, and four spherical grooves matched with the positioning ball are formed in the upper surface of the circular plate.

By adopting the scheme, the first air spring, the positioning ball and the spherical groove are arranged, and the positioning ball is tightly pressed inside the spherical groove by utilizing the elastic force of the first air spring, so that the electronic scale is positioned, the friction force between the electronic scale and the circular plate is increased, and the situation that the electronic scale rotates on the circular plate at will is avoided.

As a preferred embodiment, the upper surface left and right sides of letter sorting platform all is provided with the bottom plate, and the top of bottom plate is provided with the roof, set up a plurality of recesses two and a plurality of recesses three that correspond of each other on two sides that the bottom plate is mutually opposite with the roof respectively, the internal surface of recess two and recess three all pastes and has the latex gasbag, two spring leafs are all installed to both sides around the roof, and one side of spring leaf is fixed with the screens arch, the inclined plane has all been seted up to both sides around the upper surface of bottom plate, the screens groove with the protruding assorted of screens has all been seted up to both sides around the bottom plate, the opposite side of spring leaf articulates there is the pull ring.

By adopting the scheme, the grooves II and the grooves III are formed in the bottom plate and the top plate, and the latex air bags are arranged in the grooves II and the grooves III, so that the live beads can be conveniently stored, the live beads can be prevented from being collided and damaged in the transportation process, and the practical use effect is good; the spring piece, the clamping groove and the clamping bulge are arranged, so that the bottom plate and the top plate can be conveniently connected, fixed and detached, and convenience is provided for actual use of people; the spring piece is convenient to insert and connect by arranging the inclined plane; through setting up the pull ring, made things convenient for people to stimulate the spring leaf.

As a preferred embodiment, the supporting component comprises triangular supports and hollow plates, a transverse plate is fixed between the two hollow plates, the two triangular supports are respectively installed on the left side and the right side of the lower surface of the sorting table, a threaded rod is fixedly connected with the triangular supports, nuts are sleeved on the threaded rod in a threaded manner, the nuts are rotatably installed at the inner tops of the hollow plates through a bearing seat II, a movable plate is fixedly connected with the bottom of the threaded rod, universal wheels are installed on the front side and the rear side of the lower surface of the movable plate, a movable shaft is rotatably installed at the top of the transverse plate through a bearing seat III, a bevel gear II and a synchronous wheel I are sleeved on the movable shaft, a round rod is rotatably installed at the top of the transverse plate through the bearing seat I, the number of the bearing seats I is two, a bevel gear I is installed at one, the nut is sleeved with a second synchronizing wheel, the first synchronizing wheel is connected with the second synchronizing wheel through a same synchronous belt in a transmission mode, and the other end of the round rod is provided with a second hand wheel.

By adopting the scheme, through the arrangement of the supporting assembly, the relation that the first synchronizing wheel and the second synchronizing wheels are in transmission connection through the synchronous belts is utilized, and the threaded connection relation of the threaded rod and the nut is utilized, so that people can adjust the height of the sorting table by rotating the round rod, thereby ensuring that the workers can carry out sorting work in the best posture and ensuring the health of the workers; through the arrangement of the second hand wheel, people can rotate the round rod more labor-saving; through installing the universal wheel in the bottom of fly leaf, realized the linkage of universal wheel and threaded rod to made things convenient for people to remove whole sorting device, also ensured sorting device's stability simultaneously.

In a preferred embodiment, three sliding blocks are mounted on the left side and the right side of the movable plate, three sliding rails are mounted on the left side and the right side of the inner wall surface of the hollow plate, and the sliding blocks are slidably mounted on the sliding rails.

By adopting the scheme, the stability of the movable plate in the lifting process is improved by arranging the sliding block and the sliding rail.

As a preferred embodiment, a U-shaped cover is mounted on the upper surface of the transverse plate, the first synchronizing wheel is located inside the U-shaped cover, two second air springs are mounted on the front side and the rear side of the inner wall surface of the U-shaped cover, a tension wheel is rotatably mounted at one end of each second air spring, and the tension wheel is in contact with the synchronous belt.

By adopting the scheme, the U-shaped cover is arranged, so that the synchronous wheels and other structures can be effectively protected; through setting up air spring two and take-up pulley, guaranteed that the hold-in range can be in the state of tightening all the time, the in-service use is effectual.

As a preferred embodiment, a strip-shaped plate is arranged on a first bearing seat close to a second hand wheel on the round rod, a screw rod is connected to the strip-shaped plate in a threaded mode, and the first hand wheel is arranged at one end of the screw rod.

Adopt above-mentioned scheme, through mounting bar shaped plate and screw rod, can extrude fixedly to the round bar, prevent that the round bar from taking place to rotate because of the gravity of letter sorting platform, the security performance is high.

The invention has the beneficial effects that:

according to the sorting device for weighing the live beads, the electronic scale is arranged, and the accurate weighing capacity of the electronic scale is utilized, so that people can quickly and accurately sort the live beads, the labor intensity of workers is reduced, and meanwhile, the sorting efficiency is improved;

according to the sorting device for weighing the live beads, the first air spring, the positioning ball and the spherical groove are arranged, and the positioning ball is tightly pressed inside the spherical groove by utilizing the elasticity of the first air spring, so that the electronic scale is positioned, the friction force between the electronic scale and the circular plate is increased, and the situation that the electronic scale rotates on the circular plate at will is avoided;

according to the sorting device for weighing the live beads, the second groove and the third groove are formed in the bottom plate and the top plate, and the latex air bags are arranged in the second groove and the third groove, so that the live beads are convenient to store, the live beads can be prevented from being collided and damaged in the transportation process, and the practical use effect is good;

according to the sorting device for weighing the live beads, the supporting component is arranged, the first synchronizing wheel and the second synchronizing wheel are in transmission connection through the synchronous belt, and the threaded connection relation between the threaded rod and the nut is utilized, so that people can adjust the height of the sorting table by rotating the round rod, the sorting work of workers in the best posture is guaranteed, and the health of the workers is guaranteed;

this a sorting device for live pearl is weighed passes through mounting bar shaped plate and screw rod, can extrude fixedly to the round bar, prevents that the round bar from taking place to rotate because of the gravity of letter sorting platform, and the security performance is high.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a front partial cross-sectional view of the bottom and top plates of the present invention;

FIG. 3 is a side view of the spring plate of the present invention;

FIG. 4 is a front sectional view of the storage post of the present invention;

FIG. 5 is a sectional view of a circular plate of the present invention;

FIG. 6 is an enlarged view taken at A of FIG. 5 in accordance with the present invention;

FIG. 7 is a front sectional view of the hollow plate of the present invention;

FIG. 8 is a bottom view of the U-shaped cover of the present invention;

figure 9 is a top partial cross-sectional view of a round bar according to the present invention.

In the figure: 1. a sorting table; 2. an electronic scale; 3. a circular plate; 4. a storage column; 5. a fixed shaft; 6. a sleeve; 7. a bearing; 8. a fixing plate; 9. a roller; 10. a spherical groove; 11. a first gas spring; 12. a positioning ball; 13. a first groove; 14. a rubber pad; 15. a raised rib; 16. a base plate; 17. a top plate; 18. a second groove; 19. a third groove; 20. a latex air bag; 21. a spring plate; 22. a bevel; 23. a clamping groove; 24. a clamping bulge; 25. a pull ring; 26. a first hand wheel; 27. a U-shaped cover; 28. a second gas spring; 29. a tension wheel; 30. a tripod; 31. a hollow slab; 32. a transverse plate; 33. a threaded rod; 34. a nut; 35. a movable plate; 36. a universal wheel; 37. a slider; 38. a slide rail; 39. a movable shaft; 40. a round bar; 41. a first bevel gear; 42. a second bevel gear; 43. a synchronous belt; 44. a first synchronizing wheel; 45. a second synchronizing wheel; 46. a second hand wheel; 47. a first bearing seat; 48. a strip plate; 49. a screw.

Detailed Description

The present invention will be further described with reference to the following examples.

The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention. The conditions in the embodiments can be further adjusted according to specific conditions, and simple modifications of the method of the present invention based on the concept of the present invention are within the scope of the claimed invention.

Referring to fig. 1-9, the present invention provides a sorting apparatus for weighing live beads, which comprises a sorting table 1 and an electronic scale 2, wherein a circular plate 3 is disposed in the middle of the upper surface of the sorting table 1, a storage column 4 is mounted on the upper surface of the electronic scale 2, a fixed shaft 5 is fixed on the lower surface of the electronic scale 2, a sleeve 6 is fixed at the circle center of the upper surface of the circular plate 3, the bottom of the fixed shaft 5 is rotatably installed inside the sleeve 6 through a bearing 7, four rolling assemblies for improving the rotation stability of the electronic scale 2 are arranged at the bottom of the electronic scale 2, a groove 13 is formed in the upper end of the object placing column 4, a rubber pad 14 is adhered to the inner surface of the first groove 13, a plurality of protruding ribs 15 are arranged on one side surface, away from the object placing column 4, of the rubber pad 14, two supporting assemblies are arranged at the bottom of the sorting table 1, and the supporting assemblies are assembled to support the sorting table 1 and adjust the height of the sorting table 1; by arranging the electronic scale 2 and utilizing the accurate weighing capacity of the electronic scale 2, people can quickly and accurately sort live beads, the labor intensity of workers is reduced, and meanwhile, the sorting efficiency is improved; through setting up fixed axle 5, sleeve 6 and bearing 7 for electronic scale 2 can rotate on plectane 3, thereby makes people can be according to the position control electronic scale 2's of self position, and the actual operation of giving people provides convenient.

The rolling assembly comprises a roller 9 and two fixing plates 8, the top of each fixing plate 8 is fixedly arranged on the lower surface of the electronic scale 2, and the roller 9 is rotatably arranged between the two fixing plates 8; through setting up rolling assembly, utilize the supporting role of gyro wheel 9 to electronic scale 2 for electronic scale 2 can be more stable at rotatory in-process, avoided rocking of electronic scale 2.

A first gas spring 11 is fixedly installed on the side surface of one of the fixing plates 8, a positioning ball 12 is fixed at the bottom end of the first gas spring 11, and four spherical grooves 10 matched with the positioning ball 12 are formed in the upper surface of the circular plate 3; through setting up air spring 11, location ball 12 and sphere groove 10, utilize the elasticity of air spring 11 to compress tightly location ball 12 in the inside of sphere groove 10, realized the location to electronic scale 2, increased the frictional force between electronic scale 2 and the plectane 3, avoided electronic scale 2 to take place the condition of random rotation on plectane 3.

The left side and the right side of the upper surface of the sorting table 1 are both provided with a bottom plate 16, the top of the bottom plate 16 is provided with a top plate 17, two opposite side surfaces of the bottom plate 16 and the top plate 17 are respectively provided with a plurality of grooves two 18 and a plurality of grooves three 19 which correspond to each other, the inner surfaces of the grooves two 18 and the grooves three 19 are both adhered with latex airbags 20, the front side and the rear side of the top plate 17 are both provided with two spring pieces 21, one side of each spring piece 21 is fixed with a clamping bulge 24, the front side and the rear side of the upper surface of the bottom plate 16 are both provided with inclined planes 22, the front side and the rear side of the bottom plate 16 are both provided with clamping grooves 23; the grooves II 18 and the grooves III 19 are formed in the bottom plate 16 and the top plate 17, and the latex air bags 20 are arranged in the grooves II 18 and the grooves III 19, so that the live beads are convenient to store, the live beads can be prevented from being collided and damaged in the transportation process, and the practical use effect is good; the spring piece 21, the clamping groove 23 and the clamping bulge 24 are arranged, so that the bottom plate 16 and the top plate 17 can be conveniently connected, fixed and detached, and convenience is provided for the actual use of people; the spring piece 21 is convenient to insert and connect by arranging the inclined plane 22; by arranging the pull ring 25, people can conveniently pull the spring piece 21.

The supporting component comprises triangular supports 30 and hollow plates 31, a transverse plate 32 is fixed between the two hollow plates 31, the two triangular supports 30 are respectively installed on the left side and the right side of the lower surface of the sorting table 1, threaded rods 33 are fixedly connected with the triangular supports 30, nuts 34 are sleeved on the threaded rods 33 in a threaded manner, the nuts 34 are rotatably installed at the inner top of the hollow plates 31 through bearing seats II, movable plates 35 are fixedly connected with the bottoms of the threaded rods 33, universal wheels 36 are installed on the front side and the rear side of the lower surface of the movable plates 35, movable shafts 39 are rotatably installed at the top of the transverse plate 32 through bearing seats III, bevel gears 42 and synchronizing wheels 44 are sleeved on the movable shafts 39, round rods 40 are rotatably installed at the top of the transverse plate 32 through bearing seats I47, the number of the bearing seats I47 is two, bevel gears 41 are installed at one end of the round, a second synchronizing wheel 45 is sleeved on the nut 34, the first synchronizing wheel 44 is in transmission connection with the two second synchronizing wheels 45 through a same synchronous belt 43, and a second hand wheel 46 is mounted at the other end of the round rod 40; by arranging the supporting assembly, people can adjust the height of the sorting table 1 by rotating the round rod 40 by utilizing the transmission connection relationship between the first synchronizing wheel 44 and the two second synchronizing wheels 45 through the synchronous belt 43 and the threaded connection relationship between the threaded rod 33 and the nut 34, so that the sorting work of the workers in the best posture is ensured, and the health of the workers is guaranteed; by arranging the second hand wheel 46, people can rotate the round rod 40 more labor-saving; through installing universal wheel 36 in the bottom of fly leaf 35, realized the linkage of universal wheel 36 and threaded rod 33 to made things convenient for people to remove whole sorting device, also ensured sorting device's stability simultaneously.

The left side and the right side of the movable plate 35 are respectively provided with three sliding blocks 37, the left side and the right side of the inner wall surface of the hollow plate 31 are respectively provided with three sliding rails 38, and the sliding blocks 37 are slidably arranged on the sliding rails 38; through setting up slider 37 and slide rail 38, improved the stability of fly leaf 35 in the lift process.

A U-shaped cover 27 is arranged on the upper surface of the transverse plate 32, a first synchronizing wheel 44 is positioned inside the U-shaped cover 27, two second air springs 28 are arranged on the front side and the rear side of the inner wall surface of the U-shaped cover 27, a tension wheel 29 is rotatably arranged at one end of each second air spring 28, and the tension wheel 29 is in contact with a synchronous belt 43; by arranging the U-shaped cover 27, the structures such as the first synchronous wheel 44 and the like are effectively protected; by arranging the second air spring 28 and the tensioning wheel 29, the synchronous belt 43 can be always in a tensioned state, and the practical use effect is good.

A first bearing seat 47 on the round rod 40, which is close to a second hand wheel 46, is provided with a strip-shaped plate 48, the strip-shaped plate 48 is in threaded connection with a screw rod 49, and one end of the screw rod 49 is provided with a first hand wheel 26; through mounting bar shaped plate 48 and screw rod 49, can extrude fixedly to round bar 40, prevent that round bar 40 from taking place rotatoryly because of the gravity of letter sorting platform 1, the security performance is high.

When in use, the height of the sorting platform 1 is firstly adjusted as follows: the screw 49 is screwed by the first hand wheel 26, the screw 49 is separated from the round rod 40, then the round rod 40 is driven to rotate by the second hand wheel 46, the horizontal rotation of the round rod 40 is converted into vertical rotation under the action of the first bevel gear 41 and the second bevel gear 42, then the nut 34 is driven to rotate on the threaded rod 33 through the transmission of the synchronous belt 43, so that the threaded rod 33 can be pushed to move upwards or downwards, the height of the sorting table 1 is adjusted, the first hand wheel 26 is screwed again after the completion, the screw 49 is tightly pressed on the round rod 40, then the electronic scale 2 is rotated to be adjusted to a proper position, the pull ring 25 is pulled after the completion, the clamping protrusion 24 is withdrawn from the inside of the clamping groove 23, then the top plate 17 is moved away from the top of the bottom plate 16, and finally the live beads are placed inside the rubber pads 14 for weighing and sorting, and the operation is.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a sorting device for live pearl is weighed, includes letter sorting platform (1) and electronic scale (2), its characterized in that: a circular plate (3) is arranged in the middle of the upper surface of the sorting table (1), an object placing column (4) is mounted on the upper surface of the electronic scale (2), a fixed shaft (5) is fixed on the lower surface of the electronic scale (2), a sleeve (6) is fixed at the circle center of the upper surface of the circular plate (3), the bottom of the fixed shaft (5) is rotatably mounted inside the sleeve (6) through a bearing (7), and four rolling assemblies for improving the rotation stability of the electronic scale (2) are arranged at the bottom of the electronic scale (2);

the upper end of the object placing column (4) is provided with a first groove (13), a rubber pad (14) is adhered to the inner surface of the first groove (13), and a plurality of protruding ribs (15) are arranged on one side surface, away from the object placing column (4), of the rubber pad (14);

the bottom of the sorting table (1) is provided with two support assemblies which are assembled for supporting the sorting table (1) and adjusting the height thereof.

2. The sorting device for weighing live beads according to claim 1, wherein: the rolling assembly comprises a roller (9) and two fixing plates (8), the tops of the fixing plates (8) are fixedly installed on the lower surface of the electronic scale (2), and the roller (9) is rotatably installed between the two fixing plates (8).

3. The sorting device for weighing live beads according to claim 2, wherein: one of them the side fixed mounting of fixed plate (8) has air spring (11), the bottom of air spring (11) is fixed with location ball (12), four sphere grooves (10) with location ball (12) assorted are seted up to the upper surface of plectane (3).

4. The sorting device for weighing live beads according to claim 1, wherein: the utility model discloses a sorting platform, including letter sorting platform, bottom plate (1), bottom plate (16), recess two (18) and a plurality of recess three (19) that set up a plurality of recesses that correspond each other on the upper surface left and right sides of letter sorting platform (1) all be provided with bottom plate (16), and the top of bottom plate (16) is provided with roof (17), set up a plurality of recess two (18) and a plurality of recess three (19) that correspond each other on bottom plate (16) and roof (17) two opposite sides mutually, recess two (18) all paste latex airbag (20) with the internal surface of recess three (19), two spring leaf (21) are all installed to both sides around roof (17), and one side of spring leaf (21) is fixed with screens arch (24), inclined plane (22) have all been seted up to both sides around the upper surface of bottom plate (16), the screens groove (23) with screens arch (24) assorted are.

5. The sorting device for weighing live beads according to claim 1, wherein: the supporting component comprises triangular supports (30) and hollow plates (31), a transverse plate (32) is fixed between the two hollow plates (31), the two triangular supports (30) are respectively installed on the left side and the right side of the lower surface of the sorting table (1), a threaded rod (33) is fixedly connected with the triangular supports (30), nuts (34) are sleeved on the threaded rod (33) in a threaded mode, the nuts (34) are rotatably installed at the inner top of the hollow plates (31) through bearing seats II, movable plates (35) are fixedly connected to the bottoms of the threaded rods (33), universal wheels (36) are installed on the front side and the rear side of the lower surface of each movable plate (35), movable shafts (39) are installed at the tops of the transverse plates (32) through bearing seats III in a rotating mode, bevel gears II (42) and synchronizing wheels I (44) are installed on the movable shafts (39) in a sleeved mode, round rods (40) are installed at the tops of the transverse plates, and the quantity of bearing frame (47) is two, bevel gear (41) is installed to the one end of round bar (40), bevel gear (41) meshes with bevel gear two (42) mutually, cup joint on nut (34) and install synchronizing wheel two (45), be connected through same hold-in range (43) transmission between synchronizing wheel one (44) and two synchronizing wheel two (45), hand wheel two (46) are installed to the other end of round bar (40).

6. The sorting device for weighing live beads according to claim 5, wherein: three sliding blocks (37) are mounted on the left side and the right side of the movable plate (35), three sliding rails (38) are mounted on the left side and the right side of the inner wall surface of the hollow plate (31), and the sliding blocks (37) are slidably mounted on the sliding rails (38).

7. The sorting device for weighing live beads according to claim 5, wherein: the upper surface mounting of diaphragm (32) has U-shaped cover (27), synchronizing wheel one (44) are located the inside of U-shaped cover (27), two air spring two (28) are all installed to both sides around the internal wall face of U-shaped cover (27), the one end of air spring two (28) is rotated and is installed take-up pulley (29), and take-up pulley (29) and hold-in range (43) contact.

8. The sorting device for weighing live beads according to claim 5, wherein: and the first bearing seat (47) close to the second hand wheel (46) on the round rod (40) is provided with a strip-shaped plate (48), the strip-shaped plate (48) is provided with a screw rod (49) in threaded connection, and the first hand wheel (26) is arranged at one end of the screw rod (49).