Smashing device for pet food processing

Abstract

The invention relates to the technical field of pet food processing, and particularly discloses a pet food processing smashing device which comprises a frame body, a smashing tank is fixedly mounted in the frame body, and the frame body comprises a smashing mechanism for smashing, an auxiliary smashing mechanism for assisting smashing, a screening mechanism for screening and a vibration reduction mechanism for vibration reduction. And a first motor is fixedly mounted on one side of the top of the crushing tank. When pet food needs to be crushed, crushing force in different directions is formed through horizontal rotation of a first crushing cutter and vertical rotation of a second crushing cutter, the pet food can be crushed from multiple angles, the crushing efficiency is greatly improved, the pet food can be more fully stirred and impacted in the crushing tank, and the crushing effect is better. The condition that partial areas are not crushed sufficiently is avoided, the crushing uniformity is ensured, a multi-layer crushing system is formed, the crushing effect is more thorough, and the requirements of different pet foods for particle sizes are met.

Description

Technical Field

[0001] The invention belongs to the technical field of pet food processing, and in particular relates to a crushing device for pet food processing. Background Art

[0002] The crushing device for pet food processing is a device that breaks larger particles of food such as meat and grains into smaller particles or powder, making it easier to mix the pet food evenly during subsequent processing and easier for pets to chew and digest. Compared with manual crushing, the crushing device can quickly process a large amount of raw materials, greatly shortening the production time and improving the production efficiency of pet food.

[0003] Chinese patent: CN217698993U, mentions a crushing and mixing device for processing pet food, including a crushing barrel, a connecting pipe connected to the center of the bottom of the crushing barrel, a mixing barrel welded to the outer wall of the bottom of the connecting pipe, a discharge pipe connected to one side of the outer wall of the bottom of the mixing barrel, and a conveying pipe connected to the discharge pipe, a driving structure is installed at the center of the top outer wall of the crushing barrel, and an adding structure is installed on one side of the outer wall of the crushing barrel, the crushing barrel is connected to the mixing barrel through the connecting pipe, and a feed port is opened on one side of the top outer wall of the crushing barrel. The crushed raw materials of the utility model fall into the mixing barrel through the connecting pipe, the main shaft drives the stirring rod to mix the raw materials, the valve is opened after the mixing is completed, the raw materials are discharged from the discharge pipe to the conveying pipe, and the spiral feeding rods in the conveying pipe are aligned for uniform feeding. Compared with the traditional method, it is conducive to integrated processing of raw materials and improves the efficiency of processing and production.

[0004] During use, the above patent has a relatively simple crushing method, and there may be insufficient crushing in some areas, which reduces the crushing efficiency. In addition, it is difficult to effectively separate particles that meet the requirements during the processing, and it is difficult to screen out incompletely crushed particles for further processing, which may cause uneven particle size in the product and reduce product quality. In addition, when the equipment is running, the vibration generated may have an adverse effect on the stability and reliability of the equipment, thereby reducing the performance and life of the equipment. Summary of the invention

[0005] The purpose of the present invention is to provide a crushing device for pet food processing to solve the problems in the prior art of single crushing method, insufficient crushing in some areas, difficulty in effectively separating particles that meet the requirements and screening incompletely crushed particles for further processing, and the vibration generated during the operation of the equipment may have an adverse effect on the stability and reliability of the equipment.

[0006] To achieve the above-mentioned object, the present invention provides the following technical solutions: A crushing device for processing pet food, comprising a frame, a crushing tank is fixedly installed inside the frame, and the frame comprises a crushing mechanism for crushing, an auxiliary crushing mechanism for auxiliary crushing, a screening mechanism for screening, and a vibration reduction mechanism for vibration reduction;

[0007] A first motor is fixedly installed on one side of the top of the crushing tank, and a first small pulley is fixedly sleeved on the output shaft of the first motor, and a first belt is meshed and installed on the outer surface of the first small pulley, and a first large pulley is meshed and installed on one end of the first belt, and a main rotating shaft is fixedly sleeved inside the first large pulley, and the bottom end of the main rotating shaft passes through the top wall of the crushing tank and extends into the interior of the crushing tank, and the upper and lower ends of the crushing tank are fixedly connected with the first crushing knife, and the middle part of the main rotating shaft is fixedly sleeved with a first conical tooth, and a ball bearing is arranged above the first conical tooth, and auxiliary rotating shafts are rotatably connected on both sides of the ball bearing, and one end of the auxiliary rotating shaft is rotatably connected to the inner wall of the crushing tank, and the end of the auxiliary rotating shaft close to the ball bearing is fixedly sleeved with a second conical tooth, and the second conical tooth is meshed with the first conical tooth, and a plurality of second crushing knives are fixedly connected to the outer surface of the auxiliary rotating shaft.

[0008] Preferably: arc-shaped plates are fixedly connected on both sides of the outer surface of the bottom end of the main rotating shaft, a vibration groove is opened on the inner wall of the crushing tank, a screen plate is slidably connected to the inner wall of the vibration groove, a fixing frame is fixedly installed at the center of the screen plate, fixing rods are fixedly installed on both sides of the inner surface of the top of the fixing frame, and the bottom end surface of the fixing rod is in contact with the top surface of the arc plate.

[0009] Preferably, a material collecting groove is provided at the center of the sieve plate, and the outer surface of the bottom end of the main rotating shaft is embedded in the inner wall of the material collecting groove.

[0010] Preferably: a second motor is arranged on one side of the first motor, a second small pulley is fixedly sleeved on the output shaft of the second motor, a second belt is meshedly installed on the outer surface of the second small pulley, a second large pulley is meshedly installed on one end of the second belt, an auger is fixedly sleeved inside the second large pulley, the auger is rotatably connected to the inside of the main rotating shaft, and a discharge trough is opened at the upper end of the main rotating shaft.

[0011] Preferably, a plurality of top seats are fixedly mounted on the bottom of the frame, the bottom ends of the plurality of top seats are movably connected to main springs, and the bottom ends of the main springs are fixedly connected to the top of the base.

[0012] Preferably: a damper is arranged inside the main spring, the top end of the damper is fixedly connected to the bottom of the top seat, and the bottom end of the damper is fixedly connected to the top of the base.

[0013] Preferably: the top seat is movably connected to a second connecting rod on one side thereof, the base is movably connected to a first connecting rod on one side thereof, one end of the first connecting rod and one end of the second connecting rod are rotatably connected to the inner wall of the U-shaped seat, and the U-shaped seat is movably connected to a secondary spring on one side thereof.

[0014] Preferably: both sides of the bottom of the crushing tank are fixedly connected to the limiting seats, the limiting seats are provided with limiting grooves inside, the top of the U-shaped seat is fixedly connected to the limiting rod, and the top end of the limiting rod is slidably connected to the inner wall of the limiting groove.

[0015] Preferably, the first crushing knife rotates horizontally about the central axis of the main shaft, and the second crushing knife rotates vertically about the central axis of the auxiliary shaft.

[0016] Preferably, a feed port is provided at the other end of the top of the crushing tank, and a discharge port is provided at the center of the bottom end of the crushing tank.

[0017] Compared with the prior art, the present invention has the following beneficial effects:

[0018] 1. When the pet food needs to be crushed, the horizontal rotation of the first crushing knife and the vertical rotation of the second crushing knife form crushing forces in different directions, so that the pet food can be crushed from multiple angles, which greatly improves the crushing efficiency, and can make the pet food more fully stirred and impacted in the crushing tank, avoiding the situation of insufficient crushing in some areas, ensuring the uniformity of crushing, forming a multi-level crushing system, making the crushing effect more thorough, and meeting the requirements of different pet foods on particle size.

[0019] 2. During the use of the present invention, the crushing mechanism first drives the sieve plate to perform screening, and then the second motor drives the auger to rotate, and the sieve plate that moves up and down is used to transport the incompletely crushed pet food particles to the upper part of the crushing tank for further crushing. This design can directly complete the secondary crushing in the same device without the need for additional screening equipment, reducing the process flow and operation links, greatly improving the efficiency and thoroughness of the crushing, ensuring that the pet food can reach the required particle size, saving time and space, and improving production efficiency.

[0020] 3. When the device generates vibration during operation, a multi-level vibration reduction structure is formed through the cooperation of the main spring, damper, auxiliary spring, connecting rod and U-shaped seat, which can effectively absorb and buffer various vibrations generated during the operation of the device, ensure that the device can maintain a good vibration effect under various conditions, greatly reduce the impact of vibration on the equipment, improve the stability and reliability of the equipment, help reduce equipment failures and downtime, and improve production efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1It is a side view structural schematic diagram of the present invention;

[0022] Figure 2 It is a schematic diagram of the side cross-sectional structure of the present invention;

[0023] Figure 3 for Figure 2 A schematic diagram of the enlarged structure at A in the middle;

[0024] Figure 4 It is a front structural schematic diagram of the present invention;

[0025] Figure 5 It is a schematic diagram of the splitting of the front-view local structure in the present invention;

[0026] Figure 6 for Figure 5 A schematic diagram of the enlarged structure at B in the middle;

[0027] Figure 7 for Figure 5 Schematic diagram of the enlarged structure at C in the middle;

[0028] Figure 8 It is a partial structural schematic diagram of the auxiliary crushing mechanism in the present invention;

[0029] Fig. 9 for Figure 8 Schematic diagram of the enlarged structure at D in the middle;

[0030] Fig.10 for Figure 8 A schematic diagram of a partial cross-sectional structure;

[0031] Fig.11 It is a schematic diagram of the side cross-sectional structure of the sieve plate in the present invention.

[0032] In the figure:

[0033] 1. Frame; 2. Crushing tank; 3. Feeding port; 4. Crushing mechanism; 41. First motor; 42. First small pulley; 43. First belt; 44. First large pulley; 45. Main shaft; 46. First crushing knife; 5. Auxiliary crushing mechanism; 51. First conical tooth; 52. Ball bearing; 53. Auxiliary shaft; 54. Second conical tooth; 55. Second crushing knife; 6. Screening mechanism; 61. Vibrating trough; 62. Screen plate; 63. Fixed frame; 64. Fixed Rod; 65, collecting trough; 66, arc plate; 67, second motor; 68, second small pulley; 69, second belt; 610, second large pulley; 611, auger; 612, discharge trough; 7, vibration reduction mechanism; 71, top seat; 72, main spring; 73, damper; 74, base; 75, first connecting rod; 76, U-shaped seat; 77, auxiliary spring; 78, second connecting rod; 79, limit rod; 710, limit seat; 711, limit slot; 8, discharge port. DETAILED DESCRIPTION

[0034] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0035] Reference Figure 1-Figure 11 As shown, the present invention provides a crushing device for processing pet food, comprising a frame 1, a crushing tank 2 is fixedly installed inside the frame 1, and the frame 1 comprises a crushing mechanism 4 for crushing, an auxiliary crushing mechanism 5 for auxiliary crushing, a screening mechanism 6 for screening, and a vibration reduction mechanism 7 for vibration reduction;

[0036] A first motor 41 is fixedly installed on one side of the top of the crushing tank 2, and a first small pulley 42 is fixedly sleeved on the output shaft of the first motor 41. A first belt 43 is meshed and installed on the outer surface of the first small pulley 42, and a first large pulley 44 is meshed and installed on one end of the first belt 43. A main rotating shaft 45 is fixedly sleeved inside the first large pulley 44, and the bottom end of the main rotating shaft 45 passes through the top wall of the crushing tank 2 and extends to the inside of the crushing tank 2. The first crushing knife 46 is fixedly connected to the upper and lower ends of the crushing tank 2, and a first conical tooth 51 is fixedly sleeved on the middle part of the main rotating shaft 45. A ball bearing 52 is arranged above the first conical tooth 51, and auxiliary rotating shafts 53 are rotatably connected on both sides of the ball bearing 52. One end of the auxiliary rotating shaft 53 is rotatably connected to the inner wall of the crushing tank 2, and a second conical tooth 54 is fixedly sleeved on one end of the auxiliary rotating shaft 53 close to the ball bearing 52. The second conical tooth 54 meshes with the first conical tooth 51, and a plurality of second crushing knives 55 are fixedly connected to the outer surface of the auxiliary rotating shaft 53.

[0037] In this embodiment, when the pet food needs to be crushed, the first motor 41 is started, and its output shaft drives the first small pulley 42 to rotate. The first small pulley 42 drives the first large pulley 44 to rotate through the first belt 43. The first large pulley 44 drives the main shaft 45 to rotate, and the first crushing knives 46 at the upper and lower ends of the main shaft 45 rotate with the main shaft 45 to perform preliminary crushing on the pet food. When the main shaft 45 rotates, the first conical teeth 51 also rotate accordingly. The first conical teeth 51 mesh with the second conical teeth 54, thereby driving the auxiliary shaft 53 to rotate. One end of the auxiliary shaft 53 is rotatably connected to the inner wall of the crushing tank 2, and the other end is connected to the main shaft 45 through a ball bearing 52, so as not to affect the rotation of the main shaft 45. When the auxiliary shaft 53 rotates, it drives the second crushing knife 55 to perform auxiliary crushing on the pet food, thereby further improving the crushing effect. This design forms a multi-level crushing system through the cooperation between the first crushing knife 46 and the second crushing knife 55, so that the crushing effect is more thorough and meets the requirements of different pet foods on particle size.

[0038] In a further embodiment, referring to Figure 2-Figure 3 and Fig.11 Arc plates 66 are fixedly connected on both sides of the outer surface of the bottom end of the main rotating shaft 45, a vibration groove 61 is opened on the inner wall of the crushing tank 2, a screen plate 62 is slidably connected to the inner wall of the vibration groove 61, a fixing frame 63 is fixedly installed at the center of the screen plate 62, and fixing rods 64 are fixedly installed on both sides of the inner surface of the top of the fixing frame 63, and the bottom end surface of the fixing rod 64 is in contact with the top surface of the arc plate 66.

[0039] In this embodiment, during the rotation of the main shaft 45, the arc plate 66 at its bottom end also rotates synchronously. When the arc plate 66 rotates, it will contact the fixed rod 64, thereby driving the fixed rod 64 to move up and down along the top shape of the arc plate 66. The fixed rod 64 drives the sieve plate 62 to move up and down through the fixed frame 63, so that the sieve plate 62 slides in the vibration groove 61, thereby achieving the purpose of screening the crushed pet food. This design realizes dynamic screening, which can quickly screen out particles that meet the requirements, and also avoids the problem of sieve hole blockage, ensuring the continuity and stability of screening, without the need for additional screening equipment, reducing the process flow and operation links, and improving production efficiency.

[0040] In a further embodiment, referring to Figure 3 and Fig.11 A material collecting groove 65 is provided at the center of the screen plate 62 , and the outer surface of the bottom end of the main rotating shaft 45 is embedded in the inner wall of the material collecting groove 65 .

[0041] In this embodiment, during the screening process of the sieve plate 62, particles that meet the requirements fall through the sieve plate 62, and larger particles fall through the sieve plate 62 into the collection trough 65 opened at the center of the sieve plate 62 for centralized collection to wait for further crushing.

[0042] In a further embodiment, referring to Figure 2 , Figure 5 , Figure 6 and Fig.10 A second motor 67 is provided on one side of the first motor 41, and a second small pulley 68 is fixedly sleeved on the output shaft of the second motor 67. A second belt 69 is meshedly installed on the outer surface of the second small pulley 68, and a second large pulley 610 is meshedly installed on one end of the second belt 69. An auger 611 is fixedly sleeved inside the second large pulley 610, and the auger 611 is rotatably connected to the inside of the main rotating shaft 45. A discharge trough 612 is opened at the upper end of the main rotating shaft 45.

[0043] In this embodiment, during the screening process of the sieve plate 62, the second motor 67 is started, and its output shaft drives the second small pulley 68 to rotate, and the second small pulley 68 drives the second large pulley 610 to rotate through the second belt 69, and the second large pulley 610 drives the auger 611 to rotate. While the auger 611 rotates, the sieve plate 62 moving up and down drives the pet food particles to move toward the bottom of the main shaft 45 through the collecting trough 65, so that the pet food particles in the collecting trough 65 are transported to the upper part of the crushing tank 2 through the discharge trough 612 opened at the upper end of the main shaft 45, and are crushed again to achieve the purpose of secondary crushing. This design can complete the secondary crushing directly in the same device, with a high degree of automation, greatly improving the efficiency and thoroughness of crushing, ensuring that the pet food can reach the required particle size, saving time and space, and improving production efficiency.

[0044] In a further embodiment, referring to Figure 4 A plurality of top seats 71 are fixedly installed at the bottom of the frame 1 , and main springs 72 are movably connected to the bottom ends of the top seats 71 , and the bottom ends of the main springs 72 are fixedly connected to the top of the base 74 .

[0045] In this embodiment, when the device is running, vibrations will be generated, and these vibrations will be transmitted to the top seat 71 through the frame 1. The top seat 71 absorbs and buffers the vibrations from the frame 1 through the main spring 72, and gradually reduces the vibration amplitude, thereby achieving a vibration reduction effect on the entire device, reducing the vibration generated when the device is running, and improving the stability and reliability of the device.

[0046] In a further embodiment, referring to Figure 4 A damper 73 is arranged inside the main spring 72 , the top end of the damper 73 is fixedly connected to the bottom of the top seat 71 , and the bottom end of the damper 73 is fixedly connected to the top of the base 74 .

[0047] In this embodiment, the top seat 71 begins to move up and down under the force, which on the one hand drives the main spring 72 to compress or stretch. The main spring 72 uses its own elastic deformation to absorb and buffer part of the vibration energy. At the same time, the damper 73 also expands and contracts with the movement of the top seat 71, further absorbing and consuming the vibration energy, thereby achieving a more effective shock absorption effect, ensuring the stability of the device operation, reducing the damage to the various components of the device by vibration, and reducing noise.

[0048] In a further embodiment, referring to Figure 4 A second connecting rod 78 is movably connected to the opposite side of the top seat 71, and a first connecting rod 75 is movably connected to the opposite side of the base 74. One end of the first connecting rod 75 and one end of the second connecting rod 78 are rotatably connected to the inner wall of the U-shaped seat 76, and a secondary spring 77 is movably connected to the opposite side of the U-shaped seat 76.

[0049] In this embodiment, when the device generates vibration during operation, the frame 1 transmits the vibration to the top seat 71 at the bottom, and the top seat 71 drives the second connecting rod 78 to move. At the same time, the first connecting rod 75 also starts to move. With the movement of the two connecting rods, the U-shaped seat 76 is also driven to move. When the U-shaped seat 76 moves, the auxiliary spring 77 is compressed or stretched to absorb and buffer the vibration energy, further reducing the vibration of the device during operation and improving the stability of the device.

[0050] In a further embodiment, referring to Figure 5 and Figure 7 The bottom sides of the crushing tank 2 are fixedly connected to the limiting seat 710, and the limiting groove 711 is arranged inside the limiting seat 710. The top of the U-shaped seat 76 is fixedly connected to the limiting rod 79, and the top of the limiting rod 79 is slidably connected to the inner wall of the limiting groove 711.

[0051] In this embodiment, when the limit rod 79 moves under the action of vibration, its top end slides on the inner wall of the limit groove 711. The limit groove 711 limits the movement range of the limit rod 79 to prevent it from excessive displacement, thereby ensuring the stability and reliability of the operation of the entire vibration reduction mechanism 7.

[0052] In a further embodiment, referring to Figure 2 The first crushing knife 46 rotates horizontally about the central axis of the main rotating shaft 45 , and the second crushing knife 55 rotates vertically about the central axis of the auxiliary rotating shaft 53 .

[0053] In this embodiment, the horizontal rotation of the first crushing knife 46 and the vertical rotation of the second crushing knife 55 form crushing forces in different directions, which can crush the pet food from multiple angles, greatly improving the crushing efficiency, and allowing the pet food to be more fully stirred and impacted in the crushing tank 2, avoiding insufficient crushing in some areas and ensuring the uniformity of crushing.

[0054] In a further embodiment, referring to Figure 2 A feed port 3 is provided at the other end of the top of the crushing tank 2, and a discharge port 8 is provided at the center of the bottom end of the crushing tank 2.

[0055] In this embodiment, the feed port 3 can be used to put the pet food to be crushed into the crushing tank 2, and the discharge port 8 can be used to collect and discharge the crushed pet food.

[0056] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A crushing device for processing pet food, comprising a frame (1), characterized in that: A crushing tank (2) is fixedly installed inside the frame (1), and the frame (1) comprises a crushing mechanism (4) for crushing, an auxiliary crushing mechanism (5) for auxiliary crushing, a screening mechanism (6) for screening, and a vibration reduction mechanism (7) for vibration reduction; A first motor (41) is fixedly mounted on one side of the top of the crushing tank (2); a first small belt pulley (42) is fixedly sleeved on the output shaft of the first motor (41); a first belt (43) is meshedly mounted on the outer surface of the first small belt pulley (42); a first large belt pulley (44) is meshedly mounted on one end of the first belt (43); a main rotating shaft (45) is fixedly sleeved inside the first large belt pulley (44); the bottom end of the main rotating shaft (45) passes through the top wall of the crushing tank (2) and extends into the interior of the crushing tank (2); and a first crushing knife (46) is fixedly connected to both the upper and lower ends of the crushing tank (2). ), a first conical tooth (51) is fixedly sleeved on the middle of the main rotating shaft (45), a ball bearing (52) is arranged above the first conical tooth (51), auxiliary rotating shafts (53) are rotatably connected on both sides of the ball bearing (52), one end of the auxiliary rotating shaft (53) is rotatably connected to the inner wall of the crushing tank (2), a second conical tooth (54) is fixedly sleeved on the end of the auxiliary rotating shaft (53) close to the ball bearing (52), the second conical tooth (54) is meshed with the first conical tooth (51), and a plurality of second crushing knives (55) are fixedly connected to the outer surface of the auxiliary rotating shaft (53).

2. A pet food processing crushing device according to claim 1, characterized in that: Arc plates (66) are fixedly connected on both sides of the outer surface of the bottom end of the main rotating shaft (45); a vibration groove (61) is provided on the inner wall of the crushing tank (2); a screen plate (62) is slidably connected to the inner wall of the vibration groove (61); a fixing frame (63) is fixedly installed at the center of the screen plate (62); fixing rods (64) are fixedly installed on both sides of the inner surface of the top of the fixing frame (63); and the bottom end surface of the fixing rod (64) is in contact with the top surface of the arc plate (66).

3. A pet food processing crushing device according to claim 2, characterized in that: A material collecting groove (65) is provided at the center of the sieve plate (62), and the outer surface of the bottom end of the main rotating shaft (45) is embedded in the inner wall of the material collecting groove (65).

4. The pet food processing crushing device according to claim 1, characterized in that: A second motor (67) is arranged on one side of the first motor (41); a second small pulley (68) is fixedly sleeved on the output shaft of the second motor (67); a second belt (69) is meshedly installed on the outer surface of the second small pulley (68); a second large pulley (610) is meshedly installed on one end of the second belt (69); an auger (611) is fixedly sleeved inside the second large pulley (610); the auger (611) is rotatably connected to the inside of the main rotating shaft (45); a discharge trough (612) is provided at the upper end of the main rotating shaft (45).

5. The pet food processing crushing device according to claim 1, characterized in that: A plurality of top seats (71) are fixedly mounted on the bottom of the frame (1); the bottom ends of the plurality of top seats (71) are movably connected to main springs (72); and the bottom ends of the main springs (72) are fixedly connected to the top of the base (74).

6. A pet food processing crushing device according to claim 5, characterized in that: A damper (73) is arranged inside the main spring (72), the top end of the damper (73) is fixedly connected to the bottom of the top seat (71), and the bottom end of the damper (73) is fixedly connected to the top of the base (74).

7. The pet food processing crushing device according to claim 5, characterized in that: The top seat (71) is movably connected to a second connecting rod (78) on one side opposite to the top seat (71), and the base (74) is movably connected to a first connecting rod (75) on one side opposite to the top seat (71). One end of the first connecting rod (75) and one end of the second connecting rod (78) are rotatably connected to the inner wall of the U-shaped seat (76). The U-shaped seat (76) is movably connected to a secondary spring (77) on one side opposite to the top seat (71).

8. The pet food processing crushing device according to claim 1, characterized in that: Both sides of the bottom of the crushing tank (2) are fixedly connected to a limiting seat (710), a limiting groove (711) is provided inside the limiting seat (710), the top of the U-shaped seat (76) is fixedly connected to a limiting rod (79), and the top end of the limiting rod (79) is slidably connected to the inner wall of the limiting groove (711).

9. The pet food processing crushing device according to claim 1, characterized in that: The first crushing knife (46) rotates horizontally along the central axis of the main rotating shaft (45), and the second crushing knife (55) rotates vertically along the central axis of the auxiliary rotating shaft (53).

10. The pet food processing crushing device according to claim 1, characterized in that: A feed port (3) is provided at the other end of the top of the crushing tank (2), and a discharge port (8) is provided at the center of the bottom end of the crushing tank (2).

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