CN111699780A - A wheat seed selection equipment for removing spoiled particles - Google Patents

Abstract

The invention relates to a wheat seed selection device for rejecting metamorphic particles, comprising a bottom plate, a sorting device and a feeding rack. The feeding rack has a trapezoidal structure. The invention can solve the problem that when the existing equipment selects and processes the wheat seeds, the selection effect of the wheat seeds is poor, and the deteriorated particles in the wheat seeds cannot be effectively eliminated and filtered, resulting in a large amount of impurities mixed in the wheat seeds. , affecting the survival rate of wheat seeds, and the existing equipment cannot effectively remove the lighter impurities in the wheat seeds when selecting and processing wheat seeds, and the dust impurities after removal are easy to diffuse into the environment, affecting environmental quality and other issues.

Description

A wheat seed selection equipment for removing spoiled particles

technical field

The present invention is in the field of agricultural technology, in particular to a wheat seed selection device for removing spoiled particles.

Background technique

The collective name for wheat plants, is a monocotyledonous plant, which is a kind of grass plant widely grown all over the world. The caryopsis of wheat is one of the staple foods of human beings. After being ground into flour, it can be made into bread, steamed bread, biscuits, noodles and other foods. ; After fermentation, it can be made into beer, alcohol, liquor (such as vodka), or biomass fuel. Wheat is rich in starch, protein, fat, minerals, calcium, iron, thiamine, riboflavin, niacin, vitamin A and vitamin C, etc. Wheat is one of the three major grains, almost all edible, with only about One sixth is used as feed. The two river basins are the first regions in the world to cultivate wheat, and China is one of the first countries in the world to cultivate wheat. In 2010, wheat was the second largest food crop in the world in total production (651 million tons), second only to corn (844 million tons). Therefore, wheat is the main planting object of people today.

At present, when the existing wheat is selected and processed, there are usually the following defects: 1. When the existing equipment is used to select and process the wheat species, the selection effect of the wheat species is poor, and the deterioration in the wheat species cannot be effectively eliminated. The particles are effectively removed and filtered, resulting in the inclusion of a large amount of impurities in the wheat seed, which affects the survival rate of the wheat seed; 2. When the existing equipment selects and processes the wheat seed, it cannot effectively remove the light weight of the wheat seed. The impurities are removed, and the removed dust and impurities are easy to diffuse into the environment, affecting the quality of the environment.

SUMMARY OF THE INVENTION

(1) Technical problems to be solved

The invention can solve the problem that when the existing equipment selects and processes the wheat seeds, the selection effect of the wheat seeds is poor, and the deteriorated particles in the wheat seeds cannot be effectively eliminated and filtered, resulting in a large amount of impurities mixed in the wheat seeds. , affecting the survival rate of wheat seeds, and the existing equipment cannot effectively remove the lighter impurities in the wheat seeds when selecting and processing wheat seeds, and the dust impurities after removal are easy to diffuse into the environment, affecting environmental quality and other issues.

(2) Technical solutions

In order to achieve the above purpose, the present invention adopts the following technical scheme, a wheat seed selection equipment for rejecting metamorphic particles, comprising a bottom plate, a sorting device and a feeding rack, a sorting device is installed on the upper end of the bottom plate, and a sorting device is installed on the upper end of the sorting device. There is an opening slot, a feeding frame is installed on the opening slot, and the feeding frame has a trapezoidal structure.

The sorting device includes a casing frame, a feeding mechanism, a blower, a sorting mechanism, a collection box and a dust suction mechanism. The casing frame is installed in the middle of the upper end of the bottom plate. A feeding mechanism is installed on the upper end, a blower is installed on the left side of the shell frame, a sorting mechanism is installed at the lower end of the shell frame, the sorting mechanism is installed on the bottom plate, and a collection box is arranged under the sorting mechanism, and the collecting box is located on the bottom plate , There is a vacuuming mechanism on the upper right side of the shell frame. When working, the wheat to be selected is manually fed into the shell frame through the feeding frame, and the feeding mechanism evenly sends the wheat seeds into the shell frame. The blower can The light impurities such as straw and straw in the wheat seed are separated, and the sorting mechanism can remove the deteriorated particles in the wheat seed, which can effectively improve the survival rate of the wheat seed, which is beneficial to the planting of the wheat seed. The dust generated by the sorting can be absorbed to avoid the fugitive dust generated by the dust from polluting the air environment.

The sorting mechanism includes a support frame, a baffle plate, a distribution unit, a screening unit and a reciprocating unit. The support frame is installed in the middle of the upper end of the bottom plate, the support frame is located inside the shell frame, and the upper end of the support frame is symmetrically installed with a stopper. The material plate, the distribution unit is arranged above the support frame, the distribution unit is installed on the shell frame, the support frame is evenly provided with through grooves, the screening unit is installed in the through groove, and the reciprocating unit is installed on the outside of the screening unit. The shell frame is connected to each other. When the wheat seeds fall on the support frame, the baffle plate can prevent the wheat seeds from falling from both sides. The distribution unit can evenly arrange the wheat seeds on the upper end of the screening unit. It can effectively remove the spoiled grains in the wheat seed.

The screening unit includes a sliding frame, a screen frame, a connecting rod, a sliding block, a fixing frame and a telescopic spring. The supporting frame is evenly provided with a sliding groove, and the sliding frame is connected with the sliding frame in the sliding groove. The inside of the sliding frame is connected with a screen frame by sliding fit, a filter screen is arranged in the middle of the screen frame, through holes are evenly arranged on the slide frame, and a connecting rod is connected in the through hole by sliding fit, and the upper end of the connecting rod is connected with the connecting rod. The screen frame is connected, a slider is installed at the lower end of the connecting rod, a telescopic spring is installed in the middle of the connecting rod, a fixing frame is arranged inside the support frame, and the upper end of the fixing frame is closely attached to the sliding block. During specific work, when the distribution unit is driven by the reciprocating unit When the sliding frame slides left and right, the screen frame in the sliding frame can screen the wheat seeds, and the slider moves back and forth on the fixed frame. , the screen frame can then effectively screen and filter the wheat seeds to avoid the wheat seeds from accumulating on the screen frame.

As a preferred technical solution of the present invention, the feeding mechanism includes a drive motor, a connecting gear, a rotating shaft and a partition plate, the upper end of the housing frame is symmetrically mounted with a rotating shaft through a bearing, and the rear end of the housing frame is symmetrically installed with a rotating shaft. A drive motor is installed through the motor base, and the output shaft of the drive motor is connected with the rotating shaft. The front ends of the rotating shafts are respectively equipped with connecting gears, and the connecting gears are meshed with each other. The middle of the rotating shaft is evenly installed with a partition plate along its circumferential direction. When working, the drive motor drives the two rotating shafts to rotate in the same direction through the connecting gear, and the partition plate on the rotating shaft can evenly send the wheat seeds into the shell frame, which is conducive to the separation of light impurities such as straw and straw in the wheat seeds. .

As a preferred technical solution of the present invention, the distributing unit includes a rotating motor, a rotating rod, a rotating wheel and a distributing rod, the inside of the housing frame is evenly mounted with a rotating rod through a bearing, and the front end of the housing frame passes through The motor base is installed with a rotating motor, the output shaft of the rotating motor is connected with the rotating rod, a rotating wheel is installed on the rotating rod, and the rotating wheels are connected by a belt. The lever has an arc structure. When working, the rotating motor drives the distribution lever to rotate through the rotating lever, and the distribution lever can separate the wheat seeds on the upper surface of the screening unit to avoid the accumulation of wheat seeds.

As a preferred technical solution of the present invention, the reciprocating unit includes a sliding rod, a moving plate, a return spring and a rotating plate, and a sliding rod is symmetrically installed on the outer side of the screening unit, and the outer side of the sliding rod is slidingly fitted with the casing. The body frame is connected, a moving plate is installed on the sliding rod at the rear end of the screening unit, a return spring is installed on the sliding rod between the rear side of the moving plate and the housing frame, and a rotating plate is installed on the distribution unit. The moving plates are all provided with arc-shaped blocks, and the rotating plates are closely attached to the moving plates. During specific work, when the distribution unit rotates, the distribution unit drives the rotating plate to rotate, and the arc-shaped blocks on the rotating plate drive the moving plate to move left and right. The moving plate can then drive the screening unit to swing back and forth, which is beneficial to the screening and removal of impurities in the wheat seeds.

As a preferred technical solution of the present invention, the dust suction mechanism includes a filter screen, a dust suction hood and a suction pipe, an empty slot is arranged on the right side of the housing frame, and a filter screen is installed in the empty slot, and the empty slot is The outside of the groove is provided with a dust hood, which is installed on the shell frame, and a suction pipe is installed in the middle of the outer side of the shell frame, and the suction pipe is connected with an external suction pump. The tube absorbs the dust in the housing frame to prevent the dust generated by the dust in the housing frame from polluting the air environment.

As a preferred technical solution of the present invention, the upper end of the fixing frame has a wave pattern structure, and the upper end surface of the fixing frame is evenly provided with balls.

(3) Beneficial effects

1. The wheat seed selection equipment for rejecting metamorphic particles provided by the present invention, its screening unit can effectively select and sieve the wheat species, the selection effect is good, the rejection efficiency is high, and the deteriorating particles impurities in the wheat species can be effectively carried out. Filtration and screening can effectively ensure the survival rate of wheat seeds;

2. In the wheat seed selection device for removing spoiled particles provided by the present invention, its distribution unit can spread the wheat seed evenly, so that the wheat seed can be evenly spread on the screening unit, which is beneficial to the selection and processing of the wheat seed;

3. In the wheat seed selection equipment for removing spoiled particles provided by the present invention, the dust suction mechanism can effectively collect and clean the dust in the housing frame, preventing the dust in the wheat seeds from diffusing into the air and affecting the air environment.

Description of drawings

The present invention will be further described below in conjunction with the accompanying drawings and embodiments.

Fig. 1 is the sectional structure schematic diagram of the present invention;

Fig. 2 is the sectional structure schematic diagram between the shell frame and the feeding mechanism of the present invention;

Fig. 3 is the sectional structure schematic diagram between the bottom plate, the sorting mechanism and the collecting box of the present invention;

Fig. 4 is the enlarged structure schematic diagram of A place in Fig. 3 of the present invention;

Fig. 5 is the sectional structure schematic diagram between the sorting mechanism of the present invention and the collection box;

FIG. 6 is a schematic view of the structure of the rotating plate of the present invention.

Detailed ways

The embodiments of the present invention are described in detail below with reference to the accompanying drawings, but the present invention can be implemented in many different ways as defined and covered by the claims.

As shown in Fig. 1 to Fig. 6, a wheat seed selection equipment for rejecting deteriorated particles includes a bottom plate 1, a sorting device 2 and a feeding rack 3, and a sorting device 2 is installed on the upper end of the bottom plate 1. The sorting device 2. The upper end is provided with an opening slot, and a feeding rack 3 is installed on the opening slot, and the feeding rack 3 has a trapezoidal structure.

The sorting device 2 includes a casing frame 21, a feeding mechanism 22, a blower 23, a sorting mechanism 24, a collection box 25 and a dust suction mechanism 26. The casing frame 21 is installed in the middle of the upper end of the bottom plate 1, and the casing The body frame 21 has a trapezoidal structure, a feeding mechanism 22 is installed on the upper end of the casing frame 21, a blower 23 is installed on the left side of the inner side of the casing frame 21, and a sorting mechanism 24 is installed at the lower end of the inner part of the casing frame 21. On the bottom plate 1, a collection box 25 is arranged below the sorting mechanism 24, the collection box 25 is located on the bottom plate 1, and a dust suction mechanism 26 is arranged above the right side of the housing frame 21. During specific work, the wheat to be selected is manually fed. The rack 3 is fed into the shell rack 21, the feeding mechanism 22 evenly feeds the wheat seeds into the shell rack 21, the blower 23 can separate the straw, straw and other lighter impurities in the wheat seeds, and the sorting mechanism 24 can The deteriorating particles in the wheat seeds are removed, which can effectively improve the survival rate of the wheat seeds, which is beneficial to the planting of the wheat seeds.

The feeding mechanism 22 includes a driving motor 221, a connecting gear 222, a rotating shaft 223 and a partition plate 224. The upper end of the housing frame 21 is symmetrically mounted with a rotating shaft 223 through bearings, and the rear end of the housing frame 21 is connected by a motor. The seat is installed with a drive motor 221, the output shaft of the drive motor 221 is connected with the rotating shaft 223, the front end of the rotating shaft 223 is respectively installed with connecting gears 222, the connecting gears 222 are meshed with each other, and the middle of the rotating shaft 223 is evenly installed along its circumference. The dividing plate 224, when working, the driving motor 221 drives the two rotating shafts 223 to rotate in the same direction through the connecting gear 222, and the dividing plate 224 on the rotating shaft 223 can evenly send the wheat seeds into the shell frame 21, which is beneficial to the wheat The lighter impurities such as straw and straw are separated out.

The sorting mechanism 24 includes a support frame 241, a baffle plate 242, a distribution unit 243, a screening unit 244 and a reciprocating unit 245. The support frame 241 is installed in the middle of the upper end of the bottom plate 1, and the support frame 241 is located in the housing frame. Inside 21, a baffle plate 242 is symmetrically installed on the upper end of the support frame 241, a distribution unit 243 is arranged above the support frame 241, and the distribution unit 243 is installed on the shell frame 21. A screening unit 244 is installed inside, and a reciprocating unit 245 is installed outside the screening unit 244. The reciprocating unit 245 is connected with the housing frame 21. During specific work, when the wheat seeds fall on the support frame 241, the baffle plate 242 can prevent The wheat seeds are dropped from both sides, the distribution unit 243 can evenly arrange the wheat seeds on the upper end of the screening unit 244, and the screening unit 244 can effectively remove the deteriorated particles in the wheat seeds.

The distribution unit 243 includes a rotation motor 2431, a rotation rod 2432, a rotation wheel 2433 and a distribution rod 2434. The housing frame 21 is evenly mounted with a rotation rod 2432 through a bearing, and the front end of the housing frame 21 passes through the motor seat. A rotating motor 2431 is installed, the output shaft of the rotating motor 2431 is connected with a rotating rod 2432, a rotating wheel 2433 is installed on the rotating rod 2432, and the rotating wheels 2433 are connected by a belt. The distribution lever 2434, the distribution lever 2434 has an arc-shaped structure. During the specific operation, the rotating motor 2431 drives the distribution lever 2434 to rotate through the rotating lever 2432, and the distribution lever 2434 can further separate the wheat seeds on the upper surface of the screening unit 244. , to avoid the accumulation of wheat seeds.

The screening unit 244 includes a sliding frame 2441, a screen frame 2442, a connecting rod 2443, a sliding block 2444, a fixing frame 2445 and a telescopic spring 2446. The supporting frame 241 is evenly provided with a sliding groove, and the sliding groove passes through the sliding groove. A sliding frame 2441 is connected with the sliding frame 2441, and a screen frame 2442 is connected inside the sliding frame 2441 by means of sliding matching. A filter screen is arranged in the middle of the screen frame 2442. The sliding frame 2441 is evenly provided with through holes, and the through holes pass A connecting rod 2443 is connected with a sliding fit, the upper end of the connecting rod 2443 is connected with the screen frame 2442, the lower end of the connecting rod 2443 is installed with a slider 2444, the middle of the connecting rod 2443 is provided with a telescopic spring 2446, and the support frame 241 is provided with a fixing frame inside 2445, the upper end of the fixing frame 2445 is in close contact with the slider 2444, the upper end of the fixing frame 2445 has a wave pattern structure, and the upper end surface of the fixing frame 2445 is evenly provided with balls. When the frame 2441 slides left and right, the screen frame 2442 in the sliding frame 2441 can screen the wheat seeds, while the slider 2444 reciprocates on the fixed frame 2445, and the slider 2444 drives the screen frame 2442 to vibrate up and down through the connecting rod 2443. The telescopic spring 2446 plays the role of reset, and the screen frame 2442 can effectively screen and filter the wheat seeds, so as to avoid the wheat seeds from accumulating on the screen frame 2442.

The reciprocating unit 245 includes a sliding rod 2451, a moving plate 2452, a return spring 2453 and a rotating plate 2454. The outer side of the screening unit 244 is symmetrically installed with a sliding rod 2451, and the outer side of the sliding rod 2451 is slidingly fitted with the housing frame. 21 is connected, a moving plate 2452 is installed on the sliding rod 2451 at the rear end of the screening unit 244, a return spring 2453 is installed on the sliding rod 2451 between the rear side of the moving plate 2452 and the housing frame 21, and the dividing unit 243 is installed There is a rotating plate 2454, the rotating plate 2454 and the moving plate 2452 are both provided with arc-shaped blocks, and the rotating plate 2454 and the moving plate 2452 are in close contact. Rotation, the arc block on the rotating plate 2454 drives the moving plate 2452 to move left and right, and the moving plate 2452 can drive the screening unit 244 to swing back and forth, which is beneficial to the screening and removal of impurities in the wheat seeds.

The dust suction mechanism 26 includes a filter screen 261, a dust suction cover 262 and a suction pipe 263. An empty slot is provided on the right side of the housing frame 21, a filter screen 261 is installed in the empty slot, and an outer side of the empty slot is provided with an empty slot. The dust suction hood 262 is installed on the housing frame 21, and a suction pipe 263 is installed in the middle of the outer side of the housing frame 21. The suction pipe 263 is connected with an external suction pump. When working, the suction pump passes through The suction pipe 263 absorbs the dust in the housing frame 21 to prevent the dust generated by the dust in the housing frame 21 from polluting the air environment.

The use steps of the present invention when working:

The first step: manually send the wheat to be selected into the shell frame 21 through the feeding frame 3;

The second step: the driving motor 221 drives the two rotating shafts 223 to rotate in the same direction through the connecting gear 222, and the partition plate 224 on the rotating shaft 223 can evenly send the wheat seeds into the shell frame 21, which is beneficial to the straw and straw in the wheat seeds. and other lighter impurities are separated;

The third step: when the wheat seeds blown by the blower 23 fall on the support frame 241, the baffles 242 can prevent the wheat seeds from falling from both sides, and the rotating motor 2431 drives the distribution rod 2434 to rotate through the rotating rod 2432 , the distribution lever 2434 can further separate the wheat seeds on the upper surface of the screening unit 244 to avoid the accumulation of wheat seeds;

The fourth step: when the distribution unit 243 rotates, the distribution unit 243 drives the rotating plate 2454 to rotate, the arc block on the rotating plate 2454 drives the moving plate 2452 to move left and right, and the moving plate 2452 can then drive the screening unit 244 to swing back and forth, which is beneficial to Screening and elimination of impurities in wheat;

Step 5: When the distribution unit 243 drives the sliding frame 2441 to slide left and right through the reciprocating unit 245, the screen frame 2442 in the sliding frame 2441 can screen the wheat seeds, and the sliding block 2444 reciprocates on the fixed frame 2445, sliding The block 2444 drives the screen frame 2442 to vibrate up and down through the connecting rod 2443, the telescopic spring 2446 plays the role of reset, and the screen frame 2442 can then effectively screen and filter the wheat seeds, so as to avoid the wheat seeds being piled on the screen frame 2442;

The sixth step: the air suction pump absorbs the dust in the housing frame 21 through the air suction pipe 263, so as to prevent the dust generated by the dust in the housing frame 21 from polluting the air environment.

The above descriptions are only preferred embodiments of the present invention, and are not intended to limit the present invention. For those skilled in the art, the present invention may have various modifications and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included within the protection scope of the present invention.

Claims (6)

1. a wheat seed selection equipment for rejecting metamorphic particles, comprising a bottom plate (1), a sorting device (2) and a feeding rack (3), it is characterized in that: a sorting device is installed on the upper end of the bottom plate (1) (2), the upper end of the sorting device (2) is provided with an opening groove, and a feeding frame (3) is installed on the opening groove, and the feeding frame (3) is in a trapezoidal structure, wherein: The sorting device (2) includes a housing frame (21), a feeding mechanism (22), a blower (23), a sorting mechanism (24), a collection box (25) and a dust suction mechanism (26), all of which are The casing frame (21) is installed in the middle of the upper end of the bottom plate (1), the casing frame (21) is in a trapezoidal structure, the upper end of the casing frame (21) is provided with a feeding mechanism (22), and the interior of the casing frame (21) A blower (23) is installed on the left side, and a sorting mechanism (24) is provided at the lower end of the inner part of the housing frame (21). a box (25), the collection box (25) is located on the bottom plate (1), and a dust suction mechanism (26) is arranged above the right side of the housing frame (21); The sorting mechanism (24) includes a support frame (241), a baffle plate (242), a distribution unit (243), a screening unit (244) and a reciprocating unit (245). The support frame (241) It is installed in the middle of the upper end of the bottom plate (1), the support frame (241) is located inside the shell frame (21), the upper end of the support frame (241) is symmetrically installed with a baffle plate (242), and a distribution unit is arranged above the support frame (241). (243), the distribution unit (243) is installed on the housing frame (21), the support frame (241) is evenly provided with through grooves, the through groove is installed with a screening unit (244), and the screening unit (244) is installed outside There is a reciprocating unit (245), and the reciprocating unit (245) is connected with the housing frame (21); The screening unit (244) includes a sliding frame (2441), a screen frame (2442), a connecting rod (2443), a sliding block (2444), a fixing frame (2445) and a telescopic spring (2446). The rack (241) is evenly provided with a chute, a sliding rack (2441) is connected in the chute by a sliding fit, and a screen rack (2442) is connected inside the sliding rack (2441) by a sliding fit. (2442) A filter screen is arranged in the middle, and through holes are evenly arranged on the sliding frame (2441), a connecting rod (2443) is connected in the through hole by sliding fit, and the upper end of the connecting rod (2443) is connected to the screen frame (2442). ) are connected, a slider (2444) is installed at the lower end of the connecting rod (2443), a telescopic spring (2446) is arranged in the middle of the connecting rod (2443), a fixing frame (2445) is arranged inside the support frame (241), and the fixing frame (2445) ) is in close contact with the slider (2444). 2. A wheat seed selection device for rejecting spoiled particles according to claim 1, characterized in that: the feeding mechanism (22) comprises a drive motor (221), a connecting gear (222), a rotating shaft (223) ) and a partition plate (224), the upper end of the housing frame (21) is symmetrically installed with a rotating shaft (223) through a bearing, and the rear end of the housing frame (21) is installed with a drive motor (221) through a motor seat, which drives the The output shaft of the motor (221) is connected with the rotating shaft (223), the front ends of the rotating shaft (223) are respectively provided with connecting gears (222), the connecting gears (222) are meshed with each other, and the middle of the rotating shaft (223) is along its circumference. A divider plate (224) is installed uniformly. 3. A wheat seed selection device for rejecting spoiled particles according to claim 1, characterized in that: the distribution unit (243) comprises a rotating motor (2431), a rotating rod (2432), a rotating wheel (2433) ) and the distribution lever (2434), a rotating rod (2432) is evenly installed inside the casing frame (21) through bearings, and a rotating motor (2431) is installed at the front end of the casing frame (21) through the motor base, and the rotating motor The output shaft of (2431) is connected with the rotating rod (2432), a rotating wheel (2433) is installed on the rotating rod (2432), the rotating wheels (2433) are connected by a belt, and the rotating rod (2432) is along its circumference. A distribution lever (2434) is evenly installed in the direction, and the distribution lever (2434) has an arc structure. 4. A wheat seed selection device for rejecting spoiled particles according to claim 1, characterized in that: the reciprocating unit (245) comprises a sliding rod (2451), a moving plate (2452), a return spring (2453) and the rotating plate (2454), a sliding rod (2451) is symmetrically installed on the outer side of the screening unit (244), and the outer side of the sliding rod (2451) is connected with the housing frame (21) by sliding fit, and is located in the screening unit ( 244) A moving plate (2452) is installed on the sliding rod (2451) at the rear end, and a return spring (2453) is arranged on the sliding rod (2451) between the rear side of the moving plate (2452) and the housing frame (21), A rotating plate (2454) is installed on the distributing unit (243), arc blocks are arranged on both the rotating plate (2454) and the moving plate (2452), and the rotating plate (2454) is in close contact with the moving plate (2452). 5 . The wheat seed selection device for removing spoiled particles according to claim 1 , wherein the dust suction mechanism ( 26 ) comprises a filter screen ( 261 ), a dust hood ( 262 ) and a suction pipe. 6 . (263), an empty slot is arranged on the right side of the housing frame (21), a filter screen (261) is installed in the empty slot, a dust hood (262) is arranged outside the empty slot, and the dust hood (262) is installed On the housing frame (21), a suction pipe (263) is installed in the outer middle of the housing frame (21), and the suction pipe (263) is connected with an external suction pump. 6. A wheat seed selection device for rejecting metamorphic particles according to claim 1, characterized in that: the upper end of the fixing frame (2445) is in a wave pattern structure, and the upper end surface of the fixing frame (2445) is evenly provided with balls .

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