CN114532546B

CN114532546B - Equipment for extracting sweet glycoside component from momordica grosvenori

Info

Publication number: CN114532546B
Application number: CN202210217127.3A
Authority: CN
Inventors: 张宝堂; 张雪娇; 谭家忠
Original assignee: HUNAN NUTRAMAX Inc
Current assignee: HUNAN NUTRAMAX Inc
Priority date: 2022-03-07
Filing date: 2022-03-07
Publication date: 2022-11-29
Anticipated expiration: 2042-03-07
Also published as: CN114532546A

Abstract

The invention relates to the technical field of mogroside extraction, and particularly discloses equipment for extracting a mogroside component from momordica grosvenori.A feeding mechanism is used for receiving and conveying the momordica grosvenori in a rotating manner; the striking block can squeeze most of the fruit juice when impacting and rolling, thereby avoiding the follow-up squeezing type of pulp from slipping, and accelerating the squeezing of a small part of the fruit juice remained in the pulp.

Description

Equipment for extracting sweet glycoside component from momordica grosvenori

Technical Field

The invention relates to the technical field of extraction of mogroside, in particular to extraction equipment for a mogroside component in momordica grosvenori.

Background

At present, two methods for extracting the mogroside component from the momordica grosvenori are mainly used, one method is a chemical method, the other method is a mechanical method, the preambles of the two methods are broken to form slurry, the subsequent part of the chemical method is used for extracting the mogroside component through a chemical reagent, the subsequent part of the mechanical method is used for extracting the mogroside component through drying, no matter what method is adopted for extracting the mogroside component, the preparation of the prior slurry is very critical, the sufficiency and the high efficiency of the mogroside component can be directly influenced, the applicant searches and discovers a Chinese invention patent, namely a fresh mogroside extraction method and equipment, the authorization publication number of which is CN 8978 zx8978, the method comprises the steps of smashing the momordica grosvenori through a movable striking rod and a fixed striking rod which are arranged in a staggered mode, and then carrying out high-speed centrifugation to separate pulp from fruit juice, so as to realize the extraction, but obvious disadvantages exist in the first: the surface of the momordica grosvenori is hard, and the momordica grosvenori is difficult to be quickly smashed by directly striking the momordica grosvenori with the striking rod; secondly, the method comprises the following steps: during centrifugal separation, pulp moves outwards to easily cause the blockage of filter holes and prevent the overflow and seepage of juice; thirdly, the method comprises the following steps: fruit juice will be detained and can't pass the filter screen the very first time on pulp and arrange down, move the striker to hit when beating the pulp that is stained with fruit juice, take place to skid easily, can't carry out straight striking to pulp, influence the efficiency of smashing, based on this, applicant purposefully designed a kind can be fast, high-efficient smash the extraction equipment of the mogroside composition of mangosteen.

Disclosure of Invention

The invention aims to provide extraction equipment capable of quickly and efficiently smashing momordica grosvenori glycoside components of momordica grosvenori, and aims to solve the technical problems that the skin of momordica grosvenori is hard and the momordica grosvenori is difficult to quickly smash through a beating rod in the prior art; during centrifugal separation, pulp moves outwards to easily cause the blockage of filter holes and prevent juice from overflowing and seeping out; fruit juice will be detained and can't in time pass the filter screen on pulp and arrange down, and when beating the pole and hit to beat the pulp that is stained with fruit juice, take place to skid easily, can't carry out the straight striking to pulp, influence the technical problem who smashes efficiency.

The purpose of the invention can be realized by the following technical scheme:

the utility model provides an extraction equipment of mogroside composition in mangosteen, it is including the collection mechanism that is used for saving the mangosteen fruit juice, still include feed mechanism, striking block, extrusion mechanism and collection mechanism, feed mechanism is used for accepting and rotates the transport mangosteen, when the mangosteen is carried to striking block under, drive striking block downstream and carry out the impact to the mangosteen and roll, the fruit juice that roll and press the production will directly discharge feed mechanism flow into in the collection mechanism, when the mangosteen is carried to the extrusion mechanism top, the mangosteen will fall into in the extrusion mechanism, extrusion mechanism is used for stirring the crushing extrusion of mangosteen and the fruit juice that produces discharges once more in the collection mechanism.

As a further scheme of the invention: the feeding mechanism comprises a conversion component and a funnel, the conversion component comprises a barrel body which penetrates through the barrel body from top to bottom, a rotary table is coaxially arranged in the barrel body in a rotating mode, a containing cavity which penetrates through the barrel body from top to bottom is formed in the eccentric position of the rotary table, the containing cavity is provided with a plurality of cavities which are arranged in an equidistant array along the circumferential direction of the rotary table, a sealed bottom plate is arranged at the bottom of the barrel body, a sealed top plate is arranged at the top of the barrel body, the funnel is located above the top plate and is communicated with one of the containing cavities, an impact block is located above the top plate in an initial state and can move downwards to be inserted into one of the containing cavities, the containing cavity is communicated with a collecting mechanism through the bottom plate, and an extruding mechanism is located below the bottom plate and is communicated with one of the containing cavities.

As a further scheme of the invention: the roof on set up and hold feed inlet and the guide mouth that the chamber wait big corresponds, the funnel passes through the feed inlet and holds the chamber switch-on, striking piece and guide mouth correspond from top to bottom, be provided with the filtration mouth that contains meticulous filtration pore on the bottom plate, hold the chamber and pass through filtration mouth and collection mechanism switch-on, be provided with the discharge gate on the bottom plate, hold the chamber and pass through discharge gate and extrusion mechanism switch-on, feed inlet, guide mouth/filtration mouth and discharge gate arrange in proper order along clockwise, the roof on install rotary driving motor, the rotary driving motor output shaft passes roof and the coaxial fixed connection of carousel.

As a further scheme of the invention: the extruding mechanism comprises an extruding cylinder which is coaxially connected and communicated with the discharging port, a detachable sealing cover is arranged at the bottom of the extruding cylinder, a spiral winch is coaxially arranged in the extruding cylinder, an extruding driving motor is fixedly arranged on the sealing cover, and an output shaft of the extruding driving motor penetrates through the sealing cover to be coaxially and fixedly connected with the winch.

As a further scheme of the invention: the top of capstan winch is provided with horizontal reamer along its radial, and the reamer is provided with a plurality ofly and arranges along the circumferencial direction equidistance that the recipient belongs to.

As a further scheme of the invention: threaded holes are formed in the bottoms of the sealing cover and the extruding cylinder, and threaded connection and fixation are performed through a threaded knob when the threaded holes in the sealing cover are aligned with the threaded holes in the bottom of the extruding cylinder.

As a further scheme of the invention: the collecting mechanism comprises a collecting barrel which is fixedly installed on the bottom plate and is communicated with the filtering port, an end cover is arranged at the bottom of the collecting barrel in a sealing mode, a liquid discharge pipe communicated with the inside of the collecting barrel is arranged on the end cover, an electromagnetic valve for controlling the on-off of the liquid discharge pipe is arranged on the liquid discharge pipe, a communicating pipe communicated with the bottom of the extruding barrel and the collecting barrel is arranged between the bottom of the extruding barrel and the collecting barrel, the communicating pipe is arranged by the extruding barrel and points to the collecting barrel to be gradually inclined downwards, and the end portion of the communicating pipe is arranged to be a fine filter screen structure.

As a further scheme of the invention: the roof on be provided with the drive component who is used for driving striking piece up-and-down motion, the drive component includes the support frame of fixed mounting on the roof, the support frame is provided with two and is located the left and right sides of striking piece, it is provided with the bent axle to rotate between two support frames, the outside of one of them support frame is provided with lift driving motor and lift driving motor's output shaft and is connected with the input of bent axle, the bent axle output end rotates to be connected and is provided with connecting axle one, be provided with connecting axle two between the top of connecting axle one and striking piece, the upper end of connecting axle two rotates with the lower extreme of connecting axle one to be connected, the lower extreme of connecting axle two rotates with the top of striking piece to be connected.

The invention has the beneficial effects that:

1. the impact block impacts the momordica grosvenori, so that the skin of the momordica grosvenori can be soft and torn, the momordica grosvenori can be conveniently crushed by the extrusion mechanism, and the crushing efficiency is improved; the impact block can squeeze most of the fruit juice when in impact rolling, so that the phenomenon that the pulp is squeezed to slip in the subsequent process is avoided, and the squeezing of a small part of the fruit juice remained in the pulp can be accelerated;

2. the reamer is driven to rotate by the winch, the reamer can fully cut flat soft momordica grosvenori in a short time, and the cut pulp is extruded to quickly squeeze out residual fruit juice;

3. the squeezing device can rapidly drain squeezed residual fruit juice into the collecting cylinder in a drainage way, the squeezing direction of the winch is vertical and downward, the flowing direction of the fruit juice flowing from the squeezing cylinder to the collecting cylinder is transverse, and the two directions are approximately vertical, so that the situation that pulp residue transversely flows to block a fine filter screen structure can be avoided;

4. the impact block moves downwards continuously to form a high-pressure state in the accommodating cavity instantly, and if the filter opening is blocked by the fruit pulp, the high-speed airflow formed by the downward movement of the impact block impacts the blocked filter opening, so that the filter opening can be prevented from being blocked by the fruit pulp.

Drawings

The invention will be further described with reference to the accompanying drawings.

FIG. 1 is a schematic diagram of a prior art structure;

FIG. 2 is a first general structural diagram of the present invention;

FIG. 3 is a second overall view of the present invention;

FIG. 4 is a first partial schematic view of the present invention;

FIG. 5 is a second partial schematic view of the present invention;

FIG. 6 is a schematic view of the internal structure of the feeding mechanism;

FIG. 7 is an exploded schematic view of the feed mechanism;

FIG. 8 is a view of the bottom plate in cooperation with the squeezing mechanism and the collecting mechanism;

FIG. 9 is a cross-sectional view of the squeezing mechanism and the collecting mechanism;

FIG. 10 is a view of the capstan in combination with a reamer;

FIG. 11 is a schematic view of a communication tube;

FIG. 12 is a view of the threaded hole in cooperation with the threaded knob;

FIG. 13 is a mating view of the drive member and the impact block.

Represented in the figure as:

100. a feeding mechanism; 110. a conversion member; 111. a barrel; 112. a turntable; 113. an accommodating chamber; 114. a base plate; 115. a top plate; 116. a feed inlet; 117. a guide port; 118. a filter port; 119. a discharge port; 120. a funnel; 200. an impact block; 210. a drive member; 211. a support frame; 212. a lifting drive motor; 213. a crankshaft; 214. a first connecting shaft; 215. a second connecting shaft; 300. an extrusion mechanism; 301. an extrusion cylinder; 302. a sealing cover; 303. a winch; 304. a squeezing drive motor; 305. a reamer; 306. a threaded hole; 307. a threaded knob; 400. a collection mechanism; 401. a collection canister; 402. an end cap; 403. a liquid discharge pipe; 404. an electromagnetic valve; 405. a communication pipe is provided.

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. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 2-13, the present invention is a mogroside extraction apparatus, which includes a feeding mechanism 100, an impact block 200, a squeezing mechanism 300 and a collecting mechanism 400, wherein the feeding mechanism 100 is used for receiving and rotationally conveying the siraitia grosvenori, when the siraitia grosvenori is conveyed to a position right below the impact block 200, the impact block 200 is driven to move downwards and impact-squeeze the siraitia grosvenori, juice generated by squeezing is directly discharged from the feeding mechanism 100 and flows into the collecting mechanism 400, when the siraitia grosvenori is conveyed to a position above the squeezing mechanism 300, the siraitia grosvenori falls into the squeezing mechanism 300, and the squeezing mechanism 300 is used for crushing and squeezing the siraitia grosvenori and discharging the juice generated again into the collecting mechanism 400.

The extraction principle of the momordica grosvenori juice is as follows: drop into feed mechanism 100 in batches with the mangosteen, the mangosteen will be one by one and enter into in feed mechanism 100 one by one, feed mechanism 100 progressively rotates and rotates single mangosteen and carry, when single mangosteen is carried under striking piece 200, the transport stops, the vertical downstream of drive striking piece 200 and to mangosteen impact, the fruit juice that the rolling produced will flow into to collecting mechanism 400 through meticulous filtration pore, then the drive mangosteen rotates, when the mangosteen is carried to extrusion mechanism 300 top, the mangosteen will fall into in extrusion mechanism 300, extrusion mechanism 300 stirs the crushing extrusion and the fruit juice that produces discharges once more to collecting mechanism 400 in, the meaning of taking this scheme lies in: on one hand, the impact block 200 impacts the momordica grosvenori, so that the skin of the momordica grosvenori is soft and torn, the squeezing mechanism 300 can conveniently and rapidly smash the momordica grosvenori, and the smashing efficiency is improved; on the other hand, the impact block 200 can squeeze most of the fruit juice during impact rolling, so that the phenomenon that the pulp is squeezed to slip later is avoided, and the squeezing of a small part of the fruit juice remained in the pulp can be accelerated.

Referring to fig. 6, the feeding mechanism 100 includes a conversion member 110 and a funnel 120, the conversion member 110 includes a cylinder 111 passing through the cylinder 110, a rotary table 112 is coaxially and rotatably disposed in the cylinder 111, a vertically passing accommodating cavity 113 is formed in an eccentric position of the rotary table 112, the accommodating cavities 113 are disposed in a plurality and are arranged in an array at equal intervals along a circumferential direction of the rotary table 112, a sealed bottom plate 114 is disposed at a bottom of the cylinder 111, a sealed top plate 115 is disposed at a top of the cylinder, the funnel 120 is disposed above the top plate 115 and is communicated with one of the accommodating cavities 113, the impact block 200 is initially disposed above the top plate 115 and can move downward to be inserted into one of the accommodating cavities 113, the accommodating cavity 113 is communicated with the collecting mechanism 400 through the bottom plate 114, the squeezing mechanism 300 is disposed below the bottom plate 114 and is communicated with one of the accommodating cavities 113, the accommodating cavities 113 are driven to rotate by the drive rotary table 112, when the accommodating cavities 113 and 120 are aligned, the momordica grosvenori juice in the funnel 120 falls into the accommodating cavities 113, when the accommodating cavities 113 are aligned with the impact squeezing mechanism, the momordica grosvenori juice is squeezed, and most of the momordica juice is further squeezed into the squeezing mechanism, and the juice is squeezed into the juice squeezing mechanism 300.

Specifically, roof 115 on set up and hold feed inlet 116 and guide port 117 that big correspondence such as chamber 113 equals, funnel 120 through feed inlet 116 with hold chamber 113 switch-on, striking block 200 corresponds from top to bottom with guide port 117, be provided with on the bottom plate 114 and contain the filtration mouth 118 of meticulous filtration pore, hold chamber 113 and pass through filtration mouth 118 and collection mechanism 400 switch-on, be provided with discharge gate 119 on the bottom plate 114, hold chamber 113 and pass through discharge gate 119 and extrusion mechanism 300 switch-on, feed inlet 116, guide port 117/filtration mouth 118 and discharge gate 119 arrange along clockwise in proper order, roof 115 on install the rotation driving motor, the rotation driving motor output shaft passes roof 115 and carousel 112 coaxial fixed connection, progressively rotates through rotation driving motor drive carousel 112 to make and hold chamber 113 and correspond with funnel 120, striking block 200/collection mechanism 400 and extrusion mechanism 300 in proper order, accomplish the feeding, impact rolling and the extrusion blanking of mangosteen.

Referring to fig. 9, the squeezing mechanism 300 includes a squeezing barrel 301 coaxially connected and communicated with the discharge port 119, a detachable sealing cover 302 is disposed at the bottom of the squeezing barrel 301, a spiral capstan 303 is coaxially disposed in the squeezing barrel 301, a squeezing driving motor 304 is fixedly disposed on the sealing cover 302, an output shaft of the squeezing driving motor 304 passes through the sealing cover 302 and is coaxially and fixedly connected with the capstan 303, when the momordica grosvenori which is impacted to be flat falls into the squeezing barrel 301 through the discharge port 119, the squeezing driving motor 304 drives the capstan 303 to rotate, the capstan 303 smashes the soft pulp and conveys the pulp downwards, the pulp collides with the sealing cover 302 and squeezes out a small part of residual fruit juice, and the fruit juice flows into the collecting mechanism 400 under the guidance of a pipeline.

Specifically, referring to fig. 10, a plurality of horizontal reamers 305 are arranged at the top of the winch 303 along the radial direction of the winch, the reamers 305 are arranged at equal intervals along the circumferential direction of the extrusion container 301, the flat soft momordica grosvenori falls onto the reamers 305, the reamers 303 drive the reamers 305 to rotate, the reamers 305 can fully cut the flat soft momordica grosvenori in a short time, and the cut pulp is squeezed to quickly squeeze out residual fruit juice.

More specifically, referring to fig. 12, the sealing cover 302 and the bottom of the extruding container 301 are both provided with threaded holes 306, when the threaded holes 306 on the sealing cover 302 are aligned with the threaded holes 306 at the bottom of the extruding container 301, the threaded knobs 307 are used for threaded connection and fixation, and the sealing cover 302 can be quickly detached by screwing in and out the threaded knobs 307, so that the meat residue after extrusion can be conveniently cleaned.

Referring to fig. 9 and 11, the collecting mechanism 400 includes a collecting barrel 401 fixedly mounted on the bottom plate 114 and connected to the filtering port 118, an end cover 402 is hermetically disposed at the bottom of the collecting barrel 401, a drain pipe 403 connected to the inside of the collecting barrel 401 is disposed on the end cover 402, an electromagnetic valve 404 for controlling the on-off of the drain pipe 403 is disposed on the drain pipe 403, a communicating pipe 405 connected to the bottom of the squeezing barrel 301 and the collecting barrel 401 is disposed between the bottom of the squeezing barrel 301 and the collecting barrel 401, the communicating pipe 405 is gradually inclined downward from the squeezing barrel 301 to the collecting barrel 401, and the end of the communicating pipe 405 is configured to be a fine filtering net structure.

Referring to fig. 13, a driving member 210 for driving the impact block 200 to move up and down is disposed on the top plate 115, the driving member 210 includes a support frame 211 fixedly mounted on the top plate 115, the support frame 211 is provided with two crank shafts 213 disposed at left and right sides of the impact block 200, an output shaft of the lifting driving motor 212 is disposed at an outer side of one support frame 211 and is connected to an input end of the crank shaft 213, an output end of the crank shaft 213 is rotatably connected to a first connecting shaft 214, a second connecting shaft 215 is disposed between the first connecting shaft 214 and a top of the impact block 200, an upper end of the second connecting shaft 215 is rotatably connected to a lower end of the first connecting shaft 214, a lower end of the second connecting shaft 215 is rotatably connected to a top of the impact block 200, the impact block 200 is driven by the lifting driving motor 212 to move up and down to impact the luo han guo, when the impact block 200 is matched with the receiving cavity 113, the impact block 200 continues to move down to instantly form a high pressure state in the receiving cavity 113, and if the botulinum filtering opening 118 is blocked, the high-speed airflow formed by the downward movement of the impact the blocked fruit.

While one embodiment of the present invention has been described in detail, the description is only a preferred embodiment of the present invention and should not be taken as limiting the scope of the invention. All equivalent changes and modifications made within the scope of the present invention shall fall within the scope of the present invention.

Claims

1. An extraction apparatus of a sweet glycoside component from Lo Han Guo, comprising a collection mechanism (400) for storing Lo Han Guo juice, characterized in that: the fruit juice collecting device is characterized by further comprising a feeding mechanism (100), an impact block (200) and an extrusion mechanism (300), wherein the feeding mechanism (100) is used for receiving and conveying the momordica grosvenori in a rotating mode, when the momordica grosvenori is conveyed to the position right below the impact block (200), the impact block (200) is driven to move downwards and impact and roll the momordica grosvenori, juice produced by rolling is directly discharged out of the feeding mechanism (100) and flows into the collection mechanism (400), when the momordica grosvenori is conveyed to the position above the extrusion mechanism (300), the momordica grosvenori falls into the extrusion mechanism (300), the extrusion mechanism (300) is used for crushing and extruding the momordica grosvenori, and the produced juice is discharged into the collection mechanism (400) again;

the feeding mechanism (100) comprises a conversion component (110) and a funnel (120), the conversion component (110) comprises a cylinder (111) which penetrates through the cylinder up and down, a rotary table (112) is coaxially and rotatably arranged in the cylinder (111), a containing cavity (113) which penetrates through the rotary table up and down is formed in the eccentric position of the rotary table (112), the containing cavity (113) is provided with a plurality of cavities and is arranged in an array at equal intervals along the circumferential direction of the rotary table (112), a sealed bottom plate (114) is arranged at the bottom of the cylinder (111), a sealed top plate (115) is arranged at the top, the funnel (120) is positioned above the top plate (115) and is communicated with one of the containing cavities (113), an impact block (200) is positioned above the top plate (115) in the initial state and can move downwards to be inserted into one of the containing cavities (113), the containing cavity (113) is communicated with a collecting mechanism (400) through the bottom plate (114), and a squeezing mechanism (300) is positioned below the bottom plate (114) and is communicated with one of the containing cavities (113);

the device is characterized in that a feed port (116) and a guide port (117) which correspond to a containing cavity (113) in an equal size are formed in the top plate (115), a funnel (120) is communicated with the containing cavity (113) through the feed port (116), an impact block (200) corresponds to the guide port (117) up and down, a filter port (118) containing fine filter holes is formed in the bottom plate (114), the containing cavity (113) is communicated with a collecting mechanism (400) through the filter port (118), a discharge port (119) is formed in the bottom plate (114), the containing cavity (113) is communicated with an extruding mechanism (300) through the discharge port (119), the feed port (116), the guide port (117), the filter port (118) and the discharge port (119) are sequentially arranged in a clockwise direction, a rotary driving motor is mounted on the top plate (115), and an output shaft of the rotary driving motor penetrates through the top plate (115) and is coaxially and fixedly connected with the rotary disc (112);

the extruding mechanism (300) comprises an extruding cylinder (301) coaxially connected and communicated with the discharging hole (119), a detachable sealing cover (302) is arranged at the bottom of the extruding cylinder (301), a spiral winch (303) is coaxially arranged in the extruding cylinder (301), an extruding driving motor (304) is fixedly arranged on the sealing cover (302), and an output shaft of the extruding driving motor (304) penetrates through the sealing cover (302) to be coaxially and fixedly connected with the winch (303);

the top of the winch (303) is provided with a plurality of reamers (305) transversely arranged along the radial direction of the winch, and the reamers (305) are arranged at equal intervals along the circumferential direction of the extrusion container (301).

2. The extraction equipment of the sweet glycoside component in the grosvenor momordica fruit, according to claim 1, wherein: threaded holes (306) are formed in the bottom of the sealing cover (302) and the bottom of the extrusion container (301), and when the threaded holes (306) in the sealing cover (302) are aligned with the threaded holes (306) in the bottom of the extrusion container (301), threaded connection and fixation are carried out through threaded knobs (307).

3. The apparatus as claimed in claim 2, wherein the apparatus comprises: the collecting mechanism (400) comprises a collecting barrel (401) which is fixedly mounted on a bottom plate (114) and is communicated with a filtering port (118), an end cover (402) is arranged at the bottom of the collecting barrel (401) in a sealing mode, a liquid discharge pipe (403) which is communicated with the inside of the collecting barrel (401) is arranged on the end cover (402), an electromagnetic valve (404) for controlling the on-off of the liquid discharge pipe (403) is arranged on the liquid discharge pipe (403), a communicating pipe (405) communicated with the bottom of an extrusion barrel (301) and the collecting barrel (401) is arranged between the bottom of the extrusion barrel (301) and the collecting barrel (401), the communicating pipe (405) is arranged in a gradually downward inclined mode from the extrusion barrel (301) to the collecting barrel (401), and the end of the communicating pipe (405) is set to be of a fine filtering net structure.

4. The extraction equipment of the sweet glycoside component in the grosvenor momordica fruit, according to claim 1, wherein: the impact block mechanism is characterized in that a driving component (210) used for driving the impact block (200) to move up and down is arranged on the top plate (115), the driving component (210) comprises two support frames (211) fixedly installed on the top plate (115), the two support frames (211) are located on the left side and the right side of the impact block (200), a crankshaft (213) is rotatably arranged between the two support frames (211), a lifting driving motor (212) is arranged on the outer side of one support frame (211), an output shaft of the lifting driving motor (212) is connected with an input end of the crankshaft (213), an output end of the crankshaft (213) is rotatably connected with a first connecting shaft (214), a second connecting shaft (215) is arranged between the first connecting shaft (214) and the top of the impact block (200), the upper end of the second connecting shaft (215) is rotatably connected with the lower end of the first connecting shaft (214), and the lower end of the second connecting shaft (215) is rotatably connected with the top of the impact block (200).