Efficient hammer crusher

Abstract

The invention provides an efficient hammer crusher which comprises a rack, a crushing bin is arranged on the rack, a crushing assembly is arranged in the crushing bin, a screen is arranged in the crushing bin in a transverse sliding mode, the two ends of the screen extend out of the crushing bin, the width of the screen is larger than twice that of the crushing bin, and multiple sets of through screening grooves are formed in the screen. The crushing assembly is connected with the screen through a linkage assembly so as to drive the screen to do transverse reciprocating motion, liftable scrapers are arranged on the two sides of the crushing bin correspondingly, and the two sets of scrapers are connected with the screen through a driving mechanism so as to alternately ascend and descend to make contact with the surface of the screen in the process that the screen transversely reciprocates to slide into the crushing bin. The crusher can effectively prevent blocked pulp or peel from being easily attached to a gap between the hammer body and the screen in the crushing process, fruits can be fully crushed, the screen can be cleaned in time, and the situation that excessive residues are rotten in the crusher body and breed bacteria is avoided.

Description

Technical Field

[0001] The present invention relates to the technical field of fruit crushing, and particularly relates to an efficient hammer crusher. Background Art

[0002] Hammer crushers have high-efficiency crushing capabilities, can quickly crush fruits into products of required particle sizes, and can also process fruits of various hardnesses, including hard-skinned fruits such as lemons, apples, pears, etc. They have a wide range of applications and have the advantages of high efficiency, wide applicability, and compact structure, and are widely used in the processing of various fruit products.

[0003] For example, the Chinese patent with the publication number CN220759411U provides a hammer crusher for crushing fruits. When this crusher is in use, fruit pieces enter the interior of the housing from the feeding hopper and are crushed by the crushing mechanism. The isolation plate can be pulled upward, and then the moving block is driven by the moving member to move in the direction of the crushing mechanism, so that the brush abuts against the crushing mechanism. When the crushing mechanism rotates, relative rotation occurs between the brush and the crushing mechanism, and the brush cleans the crushing mechanism, facilitating the cleaning of the used crushing mechanism. Another example is the Chinese patent with the publication number CN207722877U, which provides a hammer crusher for crushing fruits, which can be used for crushing and juicing various fruits such as pears, apples, oranges, pomegranates, strawberries, etc., and has a high juice yield and can retain the nutritional components of fruits as much as possible.

[0004] However, when using traditional hammer crushers to crush fruits, certain drawbacks have been found. To ensure the safe operation of traditional hammer crushers, there are gaps between the hammers and between the hammers and the screen. When crushing fruits, different from hard objects such as ores, fruits are easily attached to the screen and remain in the gaps between the hammers and the screen during the crushing process, and cannot be fully crushed, resulting in a decline in the crushing effect, and it is also easy to corrupt and breed bacteria in the machine body. Summary of the Invention

[0005] Aiming at the deficiencies of the existing technology, the present invention proposes an efficient hammer crusher to solve the technical problems mentioned in the above background art, that is, to ensure the safe operation of the crusher, there are gaps between the hammers of the existing crusher and between the hammers and the screen. When crushing fruits, different from hard objects such as ores, fruits are easily attached to the gaps between the hammers and the screen during the crushing process, and cannot be fully crushed, resulting in a decline in the crushing effect, and it is also easy to corrupt and breed bacteria in the machine body.

[0006] To achieve the above object, the present invention provides the following technical solutions. An efficient hammer crusher includes:

[0007] A frame, on which a crushing bin is provided, and a crushing assembly is arranged in the crushing bin;

[0008] A screen, which is slidably arranged transversely in the crushing bin, and both ends thereof extend out of the crushing bin. The width of the screen is greater than twice the width of the crushing bin. A plurality of groups of through screening grooves are formed on the screen. The crushing assembly is connected to the screen through a linkage assembly to drive the screen to reciprocate transversely; and

[0009] Two scraping plates, which are respectively arranged on both sides of the crushing bin in a liftable manner. The two scraping plates are connected to the screen through a driving mechanism to alternately lift to contact the surface of the screen when the screen reciprocates transversely and slides into the crushing bin.

[0010] In a preferred embodiment, the crushing assembly includes:

[0011] A rotating shaft, which is rotatably arranged in the crushing bin. A plurality of groups of crushing hammers are arranged at intervals on the rotating shaft. A first synchronous pulley is arranged at the end of the rotating shaft;

[0012] A driving motor, which is arranged on the frame, and a second synchronous pulley is arranged on the output shaft thereof; and

[0013] A synchronous belt, which is connected to the first synchronous pulley and the second synchronous pulley.

[0014] In a preferred embodiment, the linkage assembly includes:

[0015] A reciprocating lead screw, which is rotatably arranged along its axis outside the crushing bin, and a third synchronous pulley is arranged at the end thereof. The third synchronous pulley is connected to the synchronous belt; and

[0016] A connecting seat, which is slidably arranged on the crushing bin, and one end thereof is matched with the reciprocating lead screw, and the other end is detachably connected to the screen through a bolt.

[0017] In a preferred embodiment, the driving mechanism includes:

[0018] An installation frame, which is arranged at the end of the scraping plate;

[0019] A driving column, which is slidably penetrated through the installation frame along its axis, and one end thereof extends out. A baffle is arranged at the end of the driving column located inside the installation frame, and a pull ring is arranged on the driving column;

[0020] An elastic member, which is arranged between the baffle and the installation frame; and

[0021] The guiding component is arranged on the side wall of the screen mesh. The driving column is connected to the guiding component to drive the driving column to lift and lower during the sliding process of the screen mesh.

[0022] In a preferred embodiment, the guiding component includes:

[0023] Two groups of flat rails are arranged in parallel and are both arranged on the side wall of the installation frame; and

[0024] Two groups of inclined rails are arranged in parallel, forming a parallelogram structure with the two groups of flat rails. One end of the inclined rail is smoothly connected to one group of the flat rails and is connected to the other group of the flat rails in a stepped manner. The stepped connection section is farther away from the crushing chamber than the smooth connection section. The driving column is slidably clamped in the flat rail or the inclined rail.

[0025] In a preferred embodiment, lifting frames are arranged on both sides of the crushing chamber in a liftable manner. A cleaning rod is arranged at the bottom of the lifting frame. Through grooves are formed on the scraping plate, and the cleaning rod is inserted into the through grooves. The two lifting frames are connected by an acceleration mechanism to convert the lifting and lowering of one lifting frame into driving the other lifting frame to accelerate up and down so that the cleaning rod is inserted into the screening groove.

[0026] In a preferred embodiment, the acceleration mechanism includes:

[0027] A first rack is arranged on the scraping plate;

[0028] A second rack is arranged on the lifting frame and faces the same direction as the first rack; and

[0029] A first gear is rotatably arranged on the side wall of the crushing chamber along its axis and meshes with the first rack. A second gear coaxially connected to the first gear and having a diameter larger than that of the first gear is arranged on the first gear, and the second gear meshes with the second rack.

[0030] In a preferred embodiment, a cleaning frame is arranged on the side wall of the crushing chamber. The scraping plate is arranged in a liftable manner inside the cleaning frame and abuts against it.

[0031] In a preferred embodiment, a positioning rod is arranged at the bottom inside the cleaning frame. The lifting frame is arranged in a liftable manner sleeved on the positioning rod.

[0032] In a preferred embodiment, two groups of collecting shells are arranged on the machine frame. The collecting shells are located directly below the scraping plate, and a water filtering groove is formed at the bottom of the collecting shells.

[0033] Compared with the prior art, the present invention has the following beneficial effects:

[0034] When this crusher is in use, the fruits to be crushed are poured into the crushing chamber. The fruits are crushed by the crushing components, and the crushed fruits are screened by the sieve. The fruit residues with particles within a certain range can fall into the collection device through the screening trough. During the crushing process, the sieve is driven by the linkage component to reciprocate in the crushing chamber. During the movement of the sieve, the scraper is driven by the driving mechanism to lift and lower. When one end of the sieve extends out of the crushing chamber, the scraper on this side is in the rising state, so that the sieve can move the pulp, peel, etc. attached above it out of the crushing chamber. When the extended end of the sieve retracts into the crushing chamber, the scraper descends under the action of the driving mechanism until it contacts the sieve, and the impurities attached to the surface of the sieve are scraped off by the scraper, and the scraped residues are collected by the peripheral collection device. After collection, they can be crushed again, thus effectively avoiding the situation that the lumps of pulp or peel adhere to the gaps between the hammer bodies and the sieve during the crushing process, enabling the fruits to be fully crushed, effectively improving the crushing effect, and also being able to clean the sieve in time to avoid excessive residues from decaying and breeding bacteria in the machine body. BRIEF DESCRIPTION OF THE DRAWINGS

[0035] In order to more clearly illustrate the specific embodiments of the present invention, the drawings required for the specific embodiments will be briefly introduced below. In all the drawings, the elements or parts are not necessarily drawn according to the actual scale.

[0036] Figure 1 Schematic three-dimensional structure of an efficient hammer crusher provided by the present invention Figure 1 ;

[0037] Figure 2 Schematic three-dimensional structure of an efficient hammer crusher of the present invention Figure 2 ;

[0038] Figure 3 Cross-sectional view of an efficient hammer crusher of the present invention;

[0039] Figure 4 Schematic structural diagram of the sieve in an efficient hammer crusher of the present invention;

[0040] Figure 5 For Figure 4 Enlarged schematic view of area a in

[0041] Figure 6 Schematic installation structure diagram of the scraper and the parts above it in an efficient hammer crusher of the present invention;

[0042] Figure 7 For Figure 6 Schematic diagram of the split structure;

[0043] Figure 8 For Figure 7Schematic enlarged view of area b;

[0044] Figure 9 Schematic structural view of the cleaning rack in an efficient hammer crusher of the present invention.

[0045] Reference numerals:

[0046] 101, frame; 102, crushing chamber; 103, drive motor; 104, first synchronous pulley; 105, second synchronous pulley; 106, third synchronous pulley; 107, synchronous belt; 108, rotating shaft; 109, crushing hammer;

[0047] 201, screen; 202, screening tank; 203, reciprocating lead screw; 204, connecting seat; 205, flat rail; 206, inclined rail;

[0048] 301, scraper; 302, mounting frame; 303, drive column; 304, baffle; 305, elastic member; 306, pull ring; 307, first rack; 308, through groove;

[0049] 401, lifting frame; 402, cleaning rod; 403, second rack; 404, first gear; 405, second gear;

[0050] 501, cleaning rack; 502, positioning rod;

[0051] 601, collection shell; 602, filter water tank. Detailed implementation manners

[0052] The present invention will be further described in detail below with reference to the accompanying drawings. It is necessary to point out here that the following specific implementation manners are only used to further illustrate the present invention and cannot be understood as limiting the protection scope of the present invention. Those skilled in the art can make some non-essential improvements and adjustments to the present invention according to the above application content.

[0053] Embodiment:

[0054] As Figures 1 to 3 shown, the present invention provides an efficient hammer crusher, including a frame 101. A crushing chamber 102 is arranged on the frame 101. A crushing assembly is arranged in the crushing chamber 102. The crushing assembly includes a rotating shaft 108 rotatably arranged in the crushing chamber 102. Multiple groups of crushing hammers 109 are arranged at intervals on the rotating shaft 108. A first synchronous pulley 104 is arranged at the end of the rotating shaft 108. A drive motor 103 is arranged on the frame 101. A second synchronous pulley 105 is arranged on the output shaft of the drive motor 103. The first synchronous pulley 104 and the second synchronous pulley 105 are connected by a synchronous belt 107.

[0055] When in use, pour fruits into the crushing bin 102. The driving motor 103 can drive the second synchronous wheel 105 to rotate, and then drive the first synchronous wheel 104 to rotate through the synchronous belt 107, so that the crushing hammers 109 on the rotating shaft 108 move to crush the fruits. A laterally slidable screen 201 is arranged in the crushing bin 102. A plurality of groups of through screening slots 202 are arranged on the screen 201. The crushed fruit residues are screened through the screening slots 202, so that the fruit residues with a certain particle size can pass through the screening slots 202.

[0056] As Figures 1 to 4 shown, in this embodiment, both ends of the screen 201 extend out of the crushing bin 102. The width of the screen 201 is greater than twice the width of the crushing bin 102. The crushing assembly is connected to the screen 201 through a linkage assembly to drive the screen 201 to reciprocate horizontally. The linkage assembly includes a reciprocating lead screw 203 rotatably arranged outside the crushing bin 102 along its axis. A third synchronous wheel 106 is arranged at the end of the reciprocating lead screw 203. The third synchronous wheel 106 is connected to the synchronous belt 107. A connecting seat 204 is slidably arranged on the crushing bin 102. One end of the connecting seat 204 is matched with the reciprocating lead screw 203, and the other end is detachably connected to the screen 201 through bolts.

[0057] During the process of starting the driving motor 103 to crush the fruits, the third synchronous wheel 106 is driven to rotate through the synchronous belt 107, so that the reciprocating lead screw 203 rotates. During the rotation of the reciprocating lead screw 203, the screen 201 is driven to reciprocate in the crushing bin 102 through the connecting seat 204, and then the two ends of the screen 201 alternately extend out of the crushing bin 102.

[0058] As Figure 1 、 Figures 4 to 8 shown, in this embodiment, scraping plates 301 are arranged on both sides of the crushing bin 102 in a liftable manner. The two groups of scraping plates 301 are connected to the screen 201 through a driving mechanism to alternately lift to contact the surface of the screen 201 during the process of the screen 201 reciprocating horizontally and sliding into the crushing bin 102. The driving mechanism includes a mounting frame 302 arranged at the end of the scraping plate 301. A driving column 303 is slidably arranged on the mounting frame 302. One end of the driving column 303 extends out. A baffle 304 is arranged at the end of the driving column 303 located inside the mounting frame 302. A pull ring 306 is arranged on the driving column 303. An elastic member 305 is arranged between the baffle 304 and the mounting frame 302. A guiding assembly is arranged on the side wall of the screen 201. The driving column 303 is connected to the guiding assembly to control the lifting of the driving column 303 during the sliding of the screen 201.

[0059] The guiding component includes two groups of parallel flat rails 205 and inclined rails 206. The flat rails 205 and the inclined rails 206 are both arranged on the side wall of the mounting frame 302. The two groups of inclined rails 206 and the two groups of flat rails 205 form a parallelogram structure. One end of the inclined rail 206 is smoothly connected to one group of flat rails 205, and is connected to the other group of flat rails 205 in a stepped manner. The stepped connection section is farther away from the crushing chamber 102 than the smooth connection section. The driving column 303 is slidably clamped in the flat rail 205 or the inclined rail 206.

[0060] During the sliding process of the screen 201, one end of it extends out of the crushing chamber 102, and the other end retracts into the crushing chamber 102. During the extension process of the screen 201, the driving column 303 is slidably clamped in the upper group of flat rails 205, so that the scraper 301 is in an upward-opening state, enabling the screen 201 to carry out the impurities attached above it out of the crushing chamber 102 during the movement. When the screen 201 moves to the limit position, it resets and retracts into the crushing chamber 102. At the initial stage of retraction, the driving column 303 passes through the stepped connection section between the flat rail 205 and the inner group of inclined rails 206. Continuing to retract the screen 201 enables the driving column 303 to move to the bottom of the inclined rail 206 through the guidance of the inclined rail 206, and through the smooth connection section, the driving column 303 moves into the lower group of flat rails 205, which can drive the scraper 301 to move downward until it contacts the surface of the screen 201. After the scraper 301 moves downward, the screen 201 continues to retract, and the attachments on the screen 201 are scraped off by the scraper 301. Through the setting of the above mechanism, the attachments on the screen 201 can be alternately scraped off by the two scrapers 301 during the reciprocating movement of the screen 201, preventing the attachments from staying in the crushing chamber 102 for a long time. And two collecting shells 601 are arranged on the frame 101. The collecting shells 601 are located directly below the scraper 301. A water filtering groove 602 is opened at the bottom of the collecting shell 601. The attachments scraped off by the scraper 301 are collected by the collecting shell 601, and the water is discharged through the water filtering groove 602, facilitating the collection of the juice.

[0061] Such as Figure 2 、 4, as shown in FIGS. 6 and 7, in this embodiment, lifting frames 401 are provided on both sides of the crushing bin 102 in a liftable manner. A cleaning rod 402 is provided at the bottom of the lifting frame 401. A through groove 308 is formed in the scraping plate 301, and the cleaning rod 402 is inserted into the through groove 308. The lifting frame 401 is connected to the lifting frame 401 through an acceleration mechanism to convert the lifting of the lifting frame 401 into driving the lifting frame 401 to accelerate up and down so that the cleaning rod 402 is inserted into the screening groove 202. The acceleration mechanism includes a first rack 307 on the scraping plate 301 and a second rack 403 provided on the lifting frame 401. The second rack 403 faces the same direction as the first rack 307. A first gear 404 is rotatably provided on the side wall of the crushing bin 102. The first gear 404 meshes with the first rack 307. A second gear 405 coaxially connected to and having a diameter larger than that of the first gear 404 is provided on the first gear 404. The second gear 405 meshes with the second rack 403.

[0062] During the process of retracting the screen 201 and controlling the scraping plate 301 to move downward, the first gear 404 is driven to move downward. The first gear 404 drives the first gear 404 and the second gear 405 to rotate synchronously. Since the diameter of the second gear 405 is larger than that of the first gear 404, the lifting frame 401 can be controlled to accelerate downward through the meshing of the second gear 405 and the second rack 403 until the cleaning rod 402 is inserted into the screening groove 202 to scrape the pulp adhering to the inside of the screening groove 202. After the screen 201 is retracted to the limit position, the scraping plate 301 rises and drives the cleaning rod 402 to rise out of the screening groove 202, preventing the pulp adhering to the upper side of the screen 201 from being blocked by the cleaning rod 402 and remaining in the crushing bin 102 when the screen 201 is subsequently removed, thus effectively avoiding the blockage of the screening groove 202, self-cleaning the screening groove 202, eliminating the need for staff to repeatedly clean the screening groove 202, and further improving the working efficiency of crushing fruits.

[0063] As Figure 1 , 6 , as shown in FIGS. 7 and 9, in this embodiment, a cleaning frame 501 is provided on the side wall of the crushing bin 102. The scraping plate 301 is provided inside the cleaning frame 501 in a liftable manner and abuts against it. During the upward movement of the scraping plate 301, the residues adhering to one side of the scraping plate 301 are scraped off through the cleaning frame 501, preventing the pulp from adhering to the scraping plate 301 for a long time. A positioning rod 502 is provided at the bottom inside the cleaning frame 501. The lifting frame 401 is sleeved on the positioning rod 502 in a liftable manner. The lifting frame 401 is positioned through the positioning rod 502, improving the structural stability of the crusher.

[0064] The specific usage method and beneficial effects of the present invention:

[0065] When in use, the crusher pours the fruits to be crushed into the crushing bin 102, crushes the fruits through the crushing assembly, and screens the crushed fruits through the screen 201. The fruit residues with particles within a certain range can fall into the collection device through the screening trough 202. During the crushing process, the screen 201 is driven by the linkage assembly to reciprocate in the crushing bin 102. During the movement of the screen 201, the scraper 301 is driven to lift by the driving mechanism. When one end of the screen 201 extends out of the crushing bin 102, the scraper 301 on this side is in the rising state, so that the screen 201 can move the attached pulp, fruit peel, etc. above it out of the crushing bin 102. When the extended end of the screen 201 retracts into the crushing bin 102, the scraper 301 descends until it contacts the screen 201 under the action of the driving mechanism, and the impurities attached to the surface of the screen 201 are scraped off by the scraper 301, and the scraped residues are collected by an external collection device. After collection, they can be crushed again, thus effectively avoiding the situation that the lumped pulp or fruit peel adheres to the gap between the hammer and the screen 201 during the crushing process, so that the fruits can be fully crushed, effectively improving the crushing effect, and can also clean the screen 201 in time to avoid excessive residues from rotting and breeding bacteria in the machine body.

[0066] The above shows and describes the basic principles, main features and advantages of the present invention. For those skilled in the art, it is obvious that the present invention is not limited to the details of the above exemplary embodiments. Based on the present invention, some modifications or improvements can be made, which are obvious to those skilled in the art. Therefore, these modifications or improvements made without departing from the spirit of the present invention all fall within the scope of protection required by the present invention.

Claims

1. A high-efficiency hammer crusher, characterized in that: Included are: A frame (101), wherein a crushing chamber (102) is arranged on the frame (101), and a crushing assembly is arranged in the crushing chamber (102); A screen (201) is arranged in the crushing chamber (102) so as to be slidable in a transverse direction, and both ends of the screen (201) extend out of the crushing chamber (102); the width of the screen (201) is greater than twice the width of the crushing chamber (102); a plurality of groups of through screening slots (202) are provided on the screen (201); the crushing assembly is connected to the screen (201) via a linkage assembly to drive the screen (201) to reciprocate in a transverse direction; and The scrapers (301) are provided in two groups and are respectively arranged on both sides of the crushing bin (102) so as to be liftable. The two groups of scrapers (301) are connected to the screen (201) via a driving mechanism so as to be alternately lifted and lowered to contact the surface of the screen (201) when the screen (201) slides into the crushing bin (102) in a transverse reciprocating motion.

2. A high-efficiency hammer crusher according to claim 1, characterized in that: The crushing assembly comprises: A rotating shaft (108) is rotatably disposed in the crushing chamber (102), a plurality of groups of crushing hammers (109) are arranged at intervals on the rotating shaft (108), and a first synchronous wheel (104) is disposed at the end of the rotating shaft (108); A driving motor (103) is arranged on the frame (101), and its output shaft is provided with a second synchronous wheel (105); and A synchronous belt (107) is connected to the first synchronous wheel (104) and the second synchronous wheel (105).

3. A high-efficiency hammer crusher according to claim 2, characterized in that: The linkage components include: A reciprocating screw (203) is rotatably arranged along its axis outside the crushing chamber (102), and a third synchronous wheel (106) is arranged at its end, and the third synchronous wheel (106) is connected to the synchronous belt (107); and The connecting seat (204) is slidably arranged on the crushing bin (102), and one end of the connecting seat cooperates with the reciprocating screw (203), and the other end is detachably connected to the screen (201) by bolts.

4. A high-efficiency hammer crusher according to claim 1, characterized in that: The driving mechanism comprises: A mounting frame (302) is arranged at the end of the scraper (301); A driving column (303) is slidably disposed on the installation frame (302) along its axis, and one end of the driving column (303) extends outward, a baffle (304) is disposed at one end of the driving column (303) located in the installation frame (302), and a pull ring (306) is disposed on the driving column (303); an elastic member (305) disposed between the baffle (304) and the mounting frame (302); and A guide assembly is arranged on the side wall of the screen (201), and the driving column (303) is connected to the guide assembly to drive the driving column (303) to rise and fall during the sliding process of the screen (201).

5. A high-efficiency hammer crusher according to claim 4, characterized in that: The guide component comprises: Two groups of flat rails (205) are arranged in parallel and are both disposed on the side walls of the installation frame (302); and The inclined rail (206) has two groups arranged in parallel, forming a parallelogram structure with the two groups of flat rails (205), and one end thereof is smoothly connected to one group of the flat rails (205), and is connected to the other group of the flat rails (205) in a stepped manner, wherein the stepped connection section is farther away from the crushing bin (102) than the smooth connection section, and the driving column (303) is slidably clamped in the flat rail (205) or the inclined rail (206).

6. A high-efficiency hammer crusher according to claim 1, characterized in that: Lifting frames (401) are provided on both sides of the crushing bin (102) so as to be liftable. A cleaning rod (402) is provided at the bottom of the lifting frame (401). A through slot (308) is provided on the scraper (301). The cleaning rod (402) is inserted into the through slot (308). The lifting frames (401) are connected to each other through an accelerating motion mechanism so as to convert the lifting of the lifting frame (401) into driving the lifting frame (401) to accelerate the lifting so that the cleaning rod (402) is inserted into the screening slot (202).

7. A high-efficiency hammer crusher according to claim 6, characterized in that: The acceleration motion mechanism comprises: A first rack (307) is arranged on the scraper (301); A second rack (403) is disposed on the lifting frame (401) and has the same orientation as the first rack (307); and The first gear (404) is rotatably arranged on the side wall of the crushing bin (102) along its axis and meshes with the first rack (307). The first gear (404) is provided with a second gear (405) which is coaxially connected and has a larger diameter than the first gear (404). The second gear (405) meshes with the second rack (403).

8. A high-efficiency hammer crusher according to claim 7, characterized in that: A cleaning frame (501) is provided on the side wall of the crushing bin (102), and the scraper (301) is movably arranged inside the cleaning frame (501) and abuts against the cleaning frame.

9. A high-efficiency hammer crusher according to claim 8, characterized in that: A positioning rod (502) is provided at the inner bottom of the cleaning frame (501), and the lifting frame (401) is escapably mounted on the positioning rod (502).

10. A high-efficiency hammer crusher according to claim 1, characterized in that: Two groups of collecting shells (601) are arranged on the frame (101), and the collecting shells (601) are located directly below the scraper (301). A water filter tank (602) is provided at the bottom of the collecting shells (601).

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