Efficient crushing device for bone extract production

Abstract

The invention belongs to the technical field of crushing devices, and particularly relates to an efficient crushing device for bone extract production, which comprises a rack, a coarse crushing device, a fine crushing device and a standby crushing device, the coarse crushing device, the fine crushing device and the standby crushing device are all arranged on the rack; the coarse crushing device is positioned above the fine crushing device and is communicated with the fine crushing device through a blanking hopper; the standby crushing device is located above the fine crushing device and located on one side of the coarse crushing device. By arranging the standby crushing device, when the coarse crushing or fine crushing main machine is maintained, the standby crushing device can undertake the crushing task of the coarse crushing or fine crushing main machine, so that online maintenance and non-stop production are realized, the non-planned stop time is remarkably shortened, and the equipment utilization rate and the overall production efficiency are improved.

Description

Technical Field

[0001] This invention belongs to the field of crushing equipment technology, specifically relating to a high-efficiency crushing device for producing bone extracts. Background Technology

[0002] In the industrial production of bone extracts (such as chicken bone extract), raw material crushing is a crucial first step affecting subsequent extraction efficiency and product yield. Crushing aims to reduce the particle size of the bone material and increase its specific surface area, thereby promoting the release and mass transfer efficiency of effective components in subsequent processes such as enzymatic hydrolysis and cooking. For example, in the "Production System and Method for Chicken Bone Extract" disclosed in Chinese patent document CN202511013091.7A, pulverization is explicitly identified as a core pretreatment step, requiring the chicken bone raw material to be pulverized into uniform particles of 5-8 mm to facilitate subsequent processing. The crushing process is crucial for optimizing the entire production process.

[0003] Currently, there are two main technical approaches to aggregate crushing. The first is to use single-stage crushing equipment to crush the raw material to the target particle size in one pass. While this method is simple and requires little space, it suffers from low crushing efficiency, high energy consumption, and uneven product particle size, especially for hard and tough animal bones. It also easily leads to overheating and wear of the equipment, making it difficult to meet the efficiency and stability requirements of large-scale continuous production. The second approach is to use multi-stage cascade crushing, where coarse and fine crushing equipment are connected sequentially. While this improves crushing efficiency and particle size uniformity to some extent, it introduces new problems such as high system complexity and a large footprint.

[0004] More notably, the rigid coupling of equipment at each level means that if any one of the equipment (especially the fine crushing unit with a heavier load) needs to be shut down due to routine maintenance, blockage, or malfunction, the entire production line will be forced to stop, severely restricting the continuity of production and overall efficiency. Summary of the Invention

[0005] To address the aforementioned technical problems, this invention provides a high-efficiency crushing device for bone extract production. This crushing device, through the cooperation of a coarse crushing device and a fine crushing device, can effectively improve crushing efficiency; and it is equipped with a backup crushing device, which can replace the coarse crushing device or the fine crushing device for crushing operations when they are being maintained.

[0006] To solve the above-mentioned technical problems, the technical solution adopted by the present invention is as follows: A high-efficiency crushing device for producing bone extracts includes a frame, a coarse crushing device, a fine crushing device, and a standby crushing device; the coarse crushing device, the fine crushing device, and the standby crushing device are all mounted on the frame. The coarse crushing device is located above the fine crushing device and is connected to the fine crushing device through a hopper; the standby crushing device is located above the fine crushing device and on one side of the coarse crushing device. The fine crushing device is equipped with a discharge hopper below, and a partition plate is installed inside the discharge hopper to divide the interior of the discharge hopper into two discharge channels; the standby crushing device is equipped with a connecting hopper below, and both the fine crushing device and the discharge hopper are equipped with through holes that communicate with the connecting hopper. A valve plate is installed at the connection point, and the valve plate controls the connection between the connecting hopper and the fine crushing device or the discharge hopper. The standby crushing device is equipped with a feed pipe connected to the hopper; an inclined plate is fixedly connected inside the hopper, and a discharge port connected to the fine crushing device is provided on the inclined plate; a sealing component for sealing the discharge port is slidably connected to the hopper; a pushing component is provided inside the hopper, which pushes the material in the hopper from the feed pipe to the standby crushing device; and a screen adjustment device is provided on the standby crushing device.

[0007] The coarse crushing device includes a first outer shell and a rotating shaft; the rotating shaft is rotatably connected to the first outer shell, a turntable is fixedly connected to the first rotating shaft, and two crushing hammers are hinged on the turntable; the first outer shell is connected to a first drive motor, and the output shaft of the first drive motor is fixedly connected to the first rotating shaft.

[0008] The first outer shell includes an upper outer shell and a lower outer shell; the upper outer shell and the lower outer shell are hinged together, and a driving member is provided at the hinge to drive the upper outer shell to rotate.

[0009] The sealing assembly includes a sealing plate and a sealing drive cylinder. The sealing plate is slidably connected to the hopper, and the two ends of the sealing drive cylinder are fixedly connected to the sealing plate and the hopper, respectively.

[0010] The screen adjustment device includes a movable screen and a drive wheel; the movable screen is slidably connected to the standby crushing device; one end of the movable screen is fixedly connected to an extension plate, which extends through the connecting hopper; a first spring is provided between the extension plate and the connecting hopper; the drive wheel is rotatably connected to the standby crushing device, and the drive wheel is provided with a flat part and a protrusion that cooperate with the extension plate.

[0011] The blocking drive cylinder is connected to the drive wheel via a transmission assembly; the transmission assembly includes a drive wheel and a drive rack, the drive wheel is rotatably connected to the hopper, and the drive wheel and the drive wheel are driven by a belt. The drive rack is fixedly connected to the piston rod of the sealing drive cylinder, and the transmission wheel is provided with a gear that meshes with the drive rack.

[0012] The pushing assembly includes a pushing plate and a pushing telescopic cylinder. The cylinder body of the pushing telescopic cylinder is fixedly connected to the feeding hopper. The pushing plate is located inside the feeding hopper and is slidably connected to the feeding hopper. The piston rod of the pushing telescopic cylinder passes through the feeding hopper and is fixedly connected to the pushing plate. The back side of the pushing plate is a first inclined surface.

[0013] The material pushing assembly also includes a movable shovel plate, which is slidably connected to the hopper, and a pushing spring is provided between the movable shovel plate and the hopper; the lower part of the movable shovel plate is provided with a second arc surface that cooperates with the first inclined surface.

[0014] A drive shaft is fixedly connected to the valve plate; the drive shaft is rotatably connected to the connecting bucket; an opening and closing motor connected to the drive shaft is fixedly connected to the connecting bucket; and a feed plate is hinged to the end of the feed pipe.

[0015] The fine crushing device and the standby crushing device have the same structure, both including a housing and a crushing shaft; the crushing shaft is rotatably connected to the housing, and a second drive motor connected to the crushing shaft is provided on the housing; a crushing blade assembly is provided on the crushing shaft; a fixed blade that cooperates with the crushing blade assembly is fixedly connected inside the housing; an opening is provided at the bottom of the housing, and a filter screen is provided at the opening.

[0016] Compared with the prior art, the beneficial effects of this invention are: By setting up a backup crushing device, the backup device can take over the crushing task when the main coarse or fine crusher is under maintenance, realizing "online maintenance without stopping production", which significantly reduces unplanned downtime and improves equipment utilization and overall production efficiency.

[0017] The backup crushing unit is equipped with a screen adjustment device, which can flexibly change its output particle size as needed. This allows it to replace both the coarse crushing unit for large particle crushing and the fine crushing unit for small particle crushing. This design reduces the number of dedicated backup devices required.

[0018] The blocking drive cylinder synchronously drives the screen adjustment device through the transmission component, enabling the automatic and synchronous completion of the blocking of the feed inlet and the switching of the standby crushing mode when switching maintenance modes, reducing the complexity and error risk of manual operation. At the same time, the structure of the movable shovel plate can effectively prevent material accumulation. Attached Figure Description

[0019] Figure 1 This is a schematic diagram of the structure of the present invention in one direction; Figure 2 This is a schematic diagram of the internal structure of the present invention; Figure 3 yes Figure 2 A magnified view of a section at point A in the middle; Figure 4 yes Figure 2A cross-sectional view of the pusher assembly in the structure shown; Figure 5 yes Figure 4 A magnified view of a section at point B in the middle; Figure 6 This is a schematic diagram of the structure from another direction of the present invention; Figure 7 yes Figure 6 A magnified view of a section at point C; Figure 8 This is a schematic diagram of the structure of the screen adjustment device of the present invention; Figure 9 This is a schematic diagram of the drive wheel structure of the present invention; Figure 10 This is a schematic diagram of the internal structure of the fine crushing device of the present invention; Wherein: 1 is the coarse crushing device, 2 is the fine crushing device, 3 is the standby crushing device, 4 is the feeding hopper, 5 is the discharge hopper, 50 is the partition plate, 6 is the connecting hopper, 7 is the valve plate, 8 is the feed pipe, 9 is the inclined plate, 10 is the sealing assembly, 100 is the sealing plate, 101 is the sealing drive cylinder, 11 is the pushing assembly, 110 is the pushing plate, 111 is the pushing telescopic cylinder, 112 is the first inclined surface, 113 is the movable shovel plate, 114 is the push spring, 115 is the second arc surface, 12 is the screen adjustment device, 120 is the movable screen, 121 is the drive wheel, 122 is the screen adjustment device, 120 is the movable screen, 121 is the drive wheel, 122 is the screen adjustment device, 120 is the movable screen, 121 is the drive wheel, 122 is the screen adjustment device, 120 is the screen adjustment device, 121 is the screen adjustment device, 122 is the screen adjustment device, 120 is the screen adjustment device, 121 is the drive wheel, 122 is the screen adjustment device, 122 is the screen adjustment device, 120 is the screen adjustment device, 121 is the screen adjustment device, 122 is the screen adjustment device, 122 is the screen adjustment device, 123 is the screen adjustment device, 124 is the screen adjustment device, 125 is the screen adjustment device ... 123 is the extension plate, 124 is the first spring, 125 is the flat part, 125 is the protrusion, 13 is the first outer shell, 14 is the rotating shaft, 15 is the turntable, 16 is the breaker hammer, 17 is the first drive motor, 18 is the upper outer shell, 19 is the lower outer shell, 20 is the drive component, 21 is the transmission wheel, 210 is the gear, 22 is the drive rack, 23 is the belt, 24 is the transmission shaft, 25 is the opening and closing motor, 26 is the feed plate, 27 is the housing, 28 is the crushing shaft, 29 is the second drive motor, 30 is the crushing blade assembly, 31 is the filter screen, 32 is the fixed blade, and 33 is the frame. Detailed Implementation

[0020] The technical solutions in the embodiments of the present invention will be clearly and completely described below. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments.

[0021] like Figures 1 to 10 As shown, a high-efficiency crushing device for producing bone extract includes a frame 33, a coarse crushing device 1, a fine crushing device 2, and a standby crushing device 3; the coarse crushing device 1, the fine crushing device 2, and the standby crushing device 3 are all mounted on the frame 33.

[0022] The coarse crushing device 1 is located above the fine crushing device 2 and is connected to the fine crushing device 2 via the feeding hopper 4. The aggregate is coarsely crushed by the coarse crushing device 1 and then fed into the fine crushing device 2 for fine crushing through the feeding hopper 4. Compared with the method of directly crushing the aggregate, this coarse and fine crushing method has a large crushing capacity and high crushing efficiency.

[0023] The standby crushing device 3 is located above the fine crushing device 2 and to one side of the coarse crushing device 1. The function of the standby crushing device 3 is that, when the coarse crushing device 1 or the fine crushing device 2 is under maintenance, the standby crushing device 3 can replace either one to perform crushing operations as needed, thus avoiding downtime and affecting production efficiency.

[0024] Below the fine crushing device 2 is a discharge hopper 5, which contains a partition plate 50 that divides the interior of the discharge hopper 5 into two discharge channels. When the fine crushing device 2 is in operation, the crushed material is discharged through the right-side discharge channel. When the standby crushing device 3 replaces the fine crushing device 2, the fine aggregate crushed by the standby crushing device 3 is discharged through the left-side discharge channel. The discharge hopper 5 is connected to a screw conveyor (not shown in the figure) to feed the finely crushed aggregate into subsequent steps.

[0025] Below the standby crushing device 3 is a connecting hopper 6. Both the fine crushing device 2 and the discharge hopper 5 are provided with through holes that communicate with the connecting hopper 6. A valve plate 7 is provided at the connection point, and the connecting hopper 6 is connected to the fine crushing device 2 or the discharge hopper 5 by means of the valve plate 7.

[0026] When the standby crushing device 3 replaces the coarse crushing device 1, the valve plate 7 controls the connection between the connecting hopper 6 and the fine crushing device 2; the coarse aggregate crushed by the standby crushing device 3 enters the fine crushing device 2 for fine crushing. When the standby crushing device 3 replaces the fine crushing device 2, the valve plate 7 controls the connection between the connecting hopper 6 and the discharge hopper 5; the fine aggregate crushed by the standby crushing device 3 enters the discharge hopper 5.

[0027] An inclined plate 9 is fixedly connected inside the hopper 4, and the inclined plate 9 has a discharge port that communicates with the fine crushing device 2. A sealing component 10 for sealing the discharge port is slidably connected to the hopper 4. When the fine crushing device 2 is not under maintenance, the sealing component 10 does not seal the discharge port; the coarsely crushed aggregate will enter the fine crushing device 2 through the discharge port. However, when the fine crushing device 2 is under maintenance, the discharge port is sealed by the sealing component 10, and the coarsely crushed aggregate will be stored in the hopper 4.

[0028] The standby crushing device 3 is equipped with a feed pipe 8 that is connected to the hopper 4; the hopper 4 is equipped with a pushing assembly 11. When the standby crushing device 3 replaces the fine crushing device 2, the material (coarse aggregate) in the hopper 4 is pushed out from the feed pipe 8 into the standby crushing device 3 through the pushing assembly 11, and then finely crushed by the standby crushing device 3.

[0029] The standby crushing device 3 is equipped with a screen adjustment device 12, which is used to change the size of the crushed aggregate. When the standby crushing device 3 replaces the coarse crushing device 1, the screen adjustment device 12 does not block the screen (large holes) on the original crushing device, thus achieving coarse crushing; when the standby crushing device 3 replaces the fine crushing device 2, the screen adjustment device 12 blocks the screen (large holes) on the original crushing device, thus "reducing" the aperture of the screen, thus achieving fine crushing.

[0030] Furthermore, the coarse crushing device 1 employs a hammer crusher for coarse crushing, comprising a first outer casing 13 and a rotating shaft 14. The rotating shaft 14 is rotatably connected to the first outer casing 13, and a turntable 15 is fixedly connected to the first rotating shaft 14. Two crushing hammers 16 are hinged on the turntable 15. A first drive motor 17 is connected to the first outer casing 13, and the output shaft of the first drive motor 17 is fixedly connected to the first rotating shaft 14. A large-pore screen is installed inside the first outer casing 13, through which the coarsely crushed material is discharged. The rotating shaft 14, turntable 15, and crushing hammers 16 are driven to rotate by the first drive motor 17 to perform coarse crushing of the aggregate.

[0031] Furthermore, the first outer casing 13 includes an upper outer casing 18 and a lower outer casing 19; the upper outer casing 18 and the lower outer casing 19 are hinged together, and a driving member 20 is provided at the hinge point, which drives the upper outer casing 18 to rotate. Specifically, the driving member 20 is a telescopic cylinder, with its two ends hinged to the upper outer casing 18 and the lower outer casing 19 respectively. The rotation and opening / closing of the upper outer casing 18 is achieved by the extension and retraction of the piston rod of the telescopic cylinder. Specifically, the upper outer casing 18 and the lower outer casing 19 are connected by bolts. When maintenance is required, the bolts must be removed before the upper outer casing 18 can be rotated and opened by the driving member 20.

[0032] Furthermore, the sealing assembly 10 includes a sealing plate 100 and a sealing drive cylinder 101. The sealing plate 100 is slidably connected to the hopper 4, and both ends of the sealing drive cylinder 101 are fixedly connected to the sealing plate 100 and the hopper 4, respectively. The sealing plate 100 slides by extending and retracting the piston rod of the sealing drive cylinder 101, thereby blocking or exposing the discharge port.

[0033] Furthermore, the screen adjustment device 12 includes a movable screen 120 and a drive wheel 121; the movable screen 120 is slidably connected to the standby crushing device 3 and is located below the screen of the standby crushing device 3. An extension plate 122 is fixedly connected to one end of the movable screen 120, and the extension plate 122 extends through the connecting hopper 6. A first spring 123 is provided between the extension plate 122 and the connecting hopper 6, and the two ends of the first spring 123 are fixedly connected to the extension plate 122 and the connecting hopper 6 respectively.

[0034] The drive wheel 121 is rotatably connected to the standby crushing device 3. The drive wheel 121 is provided with a flat part 124 and a protrusion 125 (arc-shaped) that cooperate with the extension plate 122. By rotating the drive wheel 121, the flat part 124 or the protrusion 125 on it can come into contact with the extension plate 122.

[0035] When the protrusion 125 of the drive wheel 121 contacts the extension plate 122, the first spring 123 is compressed, and the movable screen 120 moves to block the screen of the standby crushing device 3, reducing its screen aperture to replace the fine crushing device 2. When the flat part 124 of the drive wheel 121 contacts the extension plate 122, the first spring 123 releases its elastic potential energy, and the movable screen 120 moves in the opposite direction, no longer blocking the screen (large aperture) of the standby crushing device 3, to replace the coarse crushing device 1.

[0036] Furthermore, the blocking drive cylinder 101 is connected to the drive wheel 121 via a transmission assembly; the transmission assembly includes a drive wheel 21 and a drive rack 22. The drive wheel 21 is rotatably connected to the discharge hopper 4, and the drive wheel 21 and the drive wheel 121 are driven by a belt 23. When the drive wheel 21 rotates, it will drive the drive wheel 121 to rotate accordingly via the belt 23; in order to improve the transmission accuracy, the belt 23 can be a toothed belt.

[0037] The drive rack 22 is fixedly connected to the piston rod of the blocking drive cylinder 101, and a gear 210 that meshes with the drive rack 22 is fixed on the transmission wheel 21. When the piston rod of the blocking drive cylinder 101 extends or retracts, it can drive the drive rack 22 to move, and the transmission wheel 21 will rotate through meshing with the gear 210.

[0038] Specifically: When maintenance of the fine crushing device 2 is required, the piston rod of the blocking drive cylinder 101 retracts, causing the transmission wheel 21 and drive wheel 121 to rotate, so that the protrusion 125 on the drive wheel 121 contacts the extension plate 122. Conversely, during normal crushing operation, the piston rod of the blocking drive cylinder 101 extends, causing the transmission wheel 21 and drive wheel 121 to rotate in the opposite direction, so that the flat part 124 on the drive wheel 121 contacts the extension plate 122.

[0039] Furthermore, the pushing assembly 11 includes a pushing plate 110 and a pushing telescopic cylinder 111. The cylinder body of the pushing telescopic cylinder 111 is fixedly connected to the feeding hopper 4. The pushing plate 110 is located inside the feeding hopper 4 and is slidably connected to the feeding hopper 4. The piston rod of the pushing telescopic cylinder 111 passes through the feeding hopper 4 and is fixedly connected to the pushing plate 110. When the piston rod of the pushing telescopic cylinder 111 extends, the pushing plate 110 pushes the coarse aggregate from the feeding hopper 4 into the feed pipe 8, and then discharges it from the feed pipe 8 into the standby crushing device 3. The back of the pushing plate 110 is a first inclined surface 112, which can reduce resistance when the piston rod of the pushing telescopic cylinder 111 retracts.

[0040] Furthermore, the feeding assembly 11 also includes a movable shovel plate 113, which is slidably connected to the hopper 4. A push spring 114 is provided between the movable shovel plate 113 and the hopper 4. Specifically, the movable shovel plate 113 is provided with an extension lug that extends through the hopper 4 (the hopper 4 has a corresponding rectangular hole). A guide rod is fixedly connected to the hopper 4, and the push spring 114 is sleeved on the guide rod. The two ends of the push spring 114 are fixedly connected to the guide rod and the extension lug, respectively. The lower part of the movable shovel plate 113 is provided with a second arc surface 115 that mates with the first inclined surface 112.

[0041] When the piston rod of the pusher cylinder 111 retracts, the back of the pusher plate 110 will squeeze some of the aggregate, and through the cooperation of the first inclined surface 112 and the second arc surface 115, the movable shovel plate 113 will move upward (compressing the push spring 114), causing some of the aggregate to be squeezed out. When the piston rod of the pusher cylinder 111 extends, the push spring 114 releases its elastic potential energy, pushing the movable shovel plate 113 downward to scrape off the aggregate attached to the hopper 4, playing a certain cleaning role and preventing accumulation that would affect the movement of the pusher plate 110.

[0042] When the backup crushing device 3 needs to replace the fine crushing device 2, the piston rod of the blocking drive cylinder 101 extends, exposing the blocking plate 100 at the discharge port. The movable shovel 113 is no longer blocked by the discharge port (the piston rod of the pusher telescopic cylinder 111 is in the extended state), pushing the spring 114 to release its elastic potential energy, pushing the movable shovel 113 downward, and pushing it out of the discharge port from under the aggregate shovel attached to the discharge hopper 4. Finally, the piston rod of the pusher telescopic cylinder 111 retracts, contacting the second arc surface 115 through the first inclined surface 112, pushing the movable shovel 113 upward to reset.

[0043] Furthermore, a drive shaft 24 is fixedly connected to the valve plate 7; the drive shaft 24 is rotatably connected to the connecting bucket 6; an opening and closing motor 25 connected to the drive shaft 24 is fixedly connected to the connecting bucket 6; the output shaft of the opening and closing motor 25 is fixedly connected to the drive shaft 24, and the housing of the opening and closing motor 25 is fixedly connected to the connecting bucket 6. The opening and closing motor 25 drives the drive shaft 24 and the valve plate 7 to rotate.

[0044] The end of the feed pipe 8 is hinged to a feed plate 26. A torsion spring can be installed between the feed plate 26 and the feed pipe 8, or the feed plate 26 can be kept in a normally closed state by tilting (using gravity).

[0045] Furthermore, the fine crushing device 2 and the standby crushing device 3 have the same structure, both including a housing 27 and a crushing shaft 28; specifically, an inspection door is provided on the housing 27, which can be opened for maintenance. The crushing shaft 28 is rotatably connected to the housing 27, and a second drive motor 29 connected to the crushing shaft 28 is provided on the housing 27; the output shaft of the second drive motor 29 is fixedly connected to the crushing shaft 28, and the base of the second drive motor 29 is fixedly connected to the housing 27.

[0046] The crushing shaft 28 is equipped with a crushing blade assembly 30, which consists of several cutter discs with a certain misalignment between each disc; a fixed blade 32 that cooperates with the crushing blade assembly 30 is fixedly connected inside the housing 27; the bottom of the housing 27 is provided with an opening, and a filter screen 31 is provided at the opening.

[0047] The difference between the fine crushing device 2 and the standby crushing device 3 is that the aperture (small hole) of the filter screen 31 of the fine crushing device 2 is smaller than the aperture (large hole) of the filter screen 31 of the standby crushing device 3.

[0048] The above description only illustrates preferred embodiments of the present invention, but the present invention is not limited to the above embodiments.

Claims

1. A high efficiency bone extract production crushing device, characterized by: Including rack (33), coarse crushing device (1), fine crushing device (2) and standby crushing device (3);The coarse crushing device (1), fine crushing device (2) and standby crushing device (3) are all arranged on the rack (33); The coarse crushing device (1) is located above the fine crushing device (2) and is communicated with the fine crushing device (2) through the lower hopper (4);The standby crushing device (3) is located above the fine crushing device (2) and is located on one side of the coarse crushing device (1); The lower portion of the fine crushing device (2) is provided with a discharge hopper (5), the discharge hopper (5) is provided with a partition plate (50), the discharge hopper (5) is divided into two discharge channels by the partition plate (50);The lower portion of the standby crushing device (3) is provided with a communication hopper (6), the fine crushing device (2) and the discharge hopper (5) are both provided with a through hole communicated with the communication hopper (6), a valve plate (7) is arranged at the communication position, and the communication hopper (6) is communicated with the fine crushing device (2) or the discharge hopper (5) by the valve plate (7); The standby crushing device (3) is provided with a feeding pipe (8) communicated with the lower hopper (4);The lower hopper (4) is fixedly connected with an inclined plate (9), and the inclined plate (9) is provided with a lower discharge port communicated with the fine crushing device (2);The lower hopper (4) is slidably connected with a blocking assembly (10) for blocking the lower discharge port;The lower hopper (4) is provided with a pushing assembly (11), and the material in the lower hopper (4) is pushed out from the feeding pipe (8) into the standby crushing device (3) by the pushing assembly (11);The standby crushing device (3) is provided with a screen mesh adjusting device (12).

2. A high efficiency bone extract production crushing device as claimed in claim 1, wherein: The coarse crushing device (1) comprises a first shell (13) and a rotating shaft (14);The rotating shaft (14) is rotatably connected with the first shell (13), the first rotating shaft (14) is fixedly connected with a rotating disc (15), and the rotating disc (15) is rotatably connected with two crushing hammers (16);The first shell (13) is connected with a first driving motor (17), and the output shaft of the first driving motor (17) is fixedly connected with the first rotating shaft (14).

3. A high efficiency bone extract production crushing device as claimed in claim 2, wherein: The first shell (13) comprises an upper shell (18) and a lower shell (19);The upper shell (18) is hingedly connected with the lower shell (19), and a driving member (20) is arranged at the hinge connection portion, and the upper shell (18) is driven to rotate by the driving member (20).

4. A high efficiency bone extract production crushing device as claimed in claim 1, wherein: The blocking assembly (10) comprises a blocking plate (100) and a blocking driving cylinder (101), the blocking plate (100) is slidably connected with the lower hopper (4), and the two ends of the blocking driving cylinder (101) are fixedly connected with the blocking plate (100) and the lower hopper (4).

5. A high efficiency bone extract production crushing device as claimed in claim 4, wherein: The screen adjusting device (12) comprises a movable screen (120) and a driving wheel (121); the movable screen (120) is slidably connected with the standby crushing device (3); one end of the movable screen (120) is fixedly connected with an extension plate (122), the extension plate (122) extends through the communication hopper (6); a first spring (123) is arranged between the extension plate (122) and the communication hopper (6); the driving wheel (121) is rotatably connected with the standby crushing device (3), and a flat portion (124) and a convex portion (125) are arranged on the driving wheel (121) and matched with the extension plate (122).

6. A high efficiency bone extract production crushing device as claimed in claim 5, wherein: The sealing driving cylinder (101) is connected with the driving wheel (121) through a transmission assembly; the transmission assembly comprises a transmission wheel (21) and a driving rack (22); the transmission wheel (21) is rotatably connected with the lower hopper (4), and the transmission wheel (21) is driven through a belt (23) between the transmission wheel (21) and the driving wheel (121). The driving rack (22) is fixedly connected with the piston rod of the sealing driving cylinder (101), and a gear (210) is arranged on the transmission wheel (21) and engaged with the driving rack (22).

7. A high efficiency bone extract production crushing device as claimed in claim 1, wherein: The pushing assembly (11) comprises a pushing plate (110) and a pushing telescopic cylinder (111); the cylinder body of the pushing telescopic cylinder (111) is fixedly connected with the lower hopper (4); the pushing plate (110) is located in the lower hopper (4) and slidably connected with the lower hopper (4); the piston rod of the pushing telescopic cylinder (111) passes through the lower hopper (4) and is fixedly connected with the pushing plate (110); the back surface of the pushing plate (110) is a first inclined surface (112).

8. A high efficiency bone extract production crushing device as claimed in claim 7, wherein: The pushing assembly (11) further comprises a movable shovel plate (113); the movable shovel plate (113) is slidably connected with the lower hopper (4), and a pushing spring (114) is arranged between the movable shovel plate (113) and the lower hopper (4); the lower part of the movable shovel plate (113) is provided with a second curved surface (115) matched with the first inclined surface (112).

9. A high efficiency bone extract production crushing device as claimed in claim 1, wherein: The valve plate (7) is fixedly connected with a transmission shaft (24); the transmission shaft (24) is rotatably connected with the communication hopper (6); the communication hopper (6) is fixedly connected with an on-off motor (25) connected with the transmission shaft (24); the end of the feeding pipe (8) is hingedly connected with a feeding plate (26).

10. A high efficiency bone extract production crushing device as claimed in claim 1, wherein: The fine crushing device (2) and the standby crushing device (3) have the same structure and both comprise a shell (27) and a crushing shaft (28); the crushing shaft (28) is rotatably connected with the shell (27); the shell (27) is provided with a second driving motor (29) connected with the crushing shaft (28); the crushing shaft (28) is provided with a crushing cutter group (30); the shell (27) is fixedly connected with a fixed cutter (32) matched with the crushing cutter group (30); the bottom of the shell (27) is provided with an opening, and the opening is provided with a filter screen (31).

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