Raw material crushing device for mature vinegar production process

Abstract

The invention relates to the technical field of mature vinegar brewing, in particular to a raw material smashing device for a mature vinegar production process, the raw material smashing device comprises a shell, and a feeding device, a slicing device, a smashing device and a grinding device which are sequentially arranged in the shell from top to bottom, and a collecting box is arranged at the lower end of the shell; the slicing device comprises a fixed cutter and a movable cutter; the smashing device is located at the lower end of the slicing device, a filter screen is arranged at the lower end of the smashing device, and a discharging port is formed in one side of the shell and corresponds to the filter screen. The slicing device is arranged at the feeding port, and large raw materials can be sliced in advance. The feeding control belt is installed on the sliding groove of the feeding port, the raw materials are fixed through the self weight of the feeding control belt and the pressure of the tension spring, and the raw materials are prevented from moving disorderly. In addition, linkage is achieved between the feeding control belt and the slicing device, the feeding speed of the raw materials can be controlled, and therefore the consistency of the slicing thickness is guaranteed.

Description

Technical Field

[0001] The invention relates to the technical field of mature vinegar brewing, and more specifically to a raw material crushing device for a mature vinegar production process. Background Art

[0002] Aged vinegar is a type of vinegar made using a unique aging process. Before brewing, the raw materials need to be crushed and mixed, and then steamed to facilitate the subsequent fermentation process. Different raw materials have different requirements for crushing methods, but the existing crushers have relatively single functions and cannot meet diverse production needs.

[0003] A Chinese invention patent with publication number CN109225432A discloses a raw material crushing and stirring device for rice wine brewing, which uses a grinding device and a pulverizing device for secondary pulverization. Although a certain pulverization effect can be achieved, since the raw materials must undergo secondary pulverization, the demand for different pulverized particle sizes cannot be met.

[0004] For large pieces of raw materials, they generally need to be sliced ​​first, and the existing slicing methods mainly use a rotary structure. For example, the utility model patent with publication number CN215878202U discloses a high-efficiency Chinese medicine slicing, crushing and grinding all-in-one machine. Although it integrates slicing, crushing and grinding functions, due to the design of its rotary slicing structure, the slicing roller is equipped with multiple knives, which makes the subsequent cleaning and replacement complicated; in addition, the rotary slicer mainly relies on its own weight for cutting, and the slice thickness is difficult to control.

[0005] Therefore, it is necessary to improve the prior art. Summary of the invention

[0006] In order to overcome the deficiencies in the prior art, a raw material crushing device for an aged vinegar production process is provided, which has uniform raw material slice thickness, strong applicability, and can select whether to undergo a crushing operation according to different raw materials.

[0007] In order to solve the above technical problems, the technical solution adopted by the present invention is: A raw material crushing device for an aged vinegar production process comprises a shell and a feeding device, a slicing device, a crushing device, and a grinding device arranged in the shell from top to bottom, and a collecting box is arranged at the lower end of the shell; A feed port is provided on one side of the shell, a slide slot is provided obliquely in the feed port, a feed device is provided on the slide slot, the feed device comprises a feeding control belt, a belt support frame, a belt adjustment frame and a belt frame, the belt support frame and the belt adjustment frame are respectively fixedly provided on the side walls of the slide slot, the feeding control belt is rotatably provided on the belt frame through two pulleys, one end of the belt frame is hinged to the belt support frame, an arc-shaped hole is provided on the belt adjustment frame, the other end of the belt frame is rotatably connected with an arc-shaped block, the arc-shaped block is slidably provided in the arc-shaped hole, and a tension spring is provided between the arc-shaped block and the lower end of the slide slot; A main sprocket is rotatably arranged on one side of the upper end of the belt adjustment frame, the main sprocket is coaxially fixedly connected to the driving disk, the pulley at the upper end of the belt frame is coaxially fixedly connected to the slave sprocket, and the main sprocket and the slave sprocket are connected by a chain; an arc-shaped guide groove is arranged on the end surface of the driving disk, a guide block is slidably arranged in the arc-shaped guide groove, and the length of the arc-shaped guide groove is greater than the length of the guide block; The slicing device comprises a movable knife which reciprocates up and down, and a driving rod is hinged between the guide block and the movable knife.

[0008] Preferably, a through hole is provided on the bottom surface of the slide groove, and a follower belt is provided on the lower side of the through hole, and the upper side of the follower belt is flush with the bottom surface of the slide groove.

[0009] Preferably, the crushing device includes a grinding base and a grinding head, the grinding base is fixedly arranged in the shell, the lower end surface of the grinding head cooperates with the upper end surface of the grinding base, the grinding head is connected to a rotating motor, a material gathering plate is arranged between the grinding base and the inner wall of the shell, the unloading port of the material gathering plate is adapted to the upper end of the grinding base, the material gathering plate is slidably arranged on the shell, and a lifting device for adjusting the height of the material gathering plate is arranged between the material gathering plate and the shell.

[0010] Preferably, the slicing device also includes a stationary knife, which is located at the lower end of the unloading side of the chute and fixedly connected to the shell, and a movable knife is slidably arranged on the shell and cooperates with the stationary knife. The movable knife is connected to a driving mechanism that drives it to reciprocate up and down.

[0011] Preferably, the side wall of the shell is provided with a guide sliding hole, the side wall of the material gathering plate is fixedly connected with a sealing plate, and the sealing plate is sealed and matched with the inner side of the guide sliding hole; The lifting device includes a positioning plate, an extension rod fixedly connected to the sealing plate is arranged in the guide slide hole, the positioning plate is hinged at the outer end of the extension rod, a plurality of adjustment holes are arranged on the positioning plate along the length direction, the shell is provided with a positioning hole adapted to the adjustment hole, and the positioning hole cooperates with one of the adjustment holes through a positioning pin.

[0012] Preferably, the pulverizing device comprises two pulverizing rollers arranged in parallel, and the two pulverizing rollers rotate synchronously in opposite directions.

[0013] Preferably, a mounting plate is horizontally arranged in the shell, and the stationary knife is detachably arranged on the mounting plate, and the length of the stationary knife is greater than the width of the unloading side of the chute.

[0014] Preferably, the driving mechanism includes a disc, a connecting rod and a driving motor. The driving motor is fixedly arranged on the top of the shell. The disc is connected to the motor shaft of the driving motor. A connecting rod is eccentrically arranged on one side of the disc. One end of the connecting rod is hinged to the connecting rod, and the other end of the connecting rod is hinged to the moving knife.

[0015] Preferably, the feed port is provided with a human body sensor, and the human body sensor is electrically connected to the control circuit of the drive motor.

[0016] Preferably, two inclined guide plates are arranged between the crushing device and the slicing device, a filter screen is arranged at the lower end of the crushing device, a discharge port is arranged at one side of the housing, the filter screen is arranged at an angle, and the lower end of the filter screen is connected to the discharge port; A return box is provided on one side of the shell, a belt is provided in the return box in a vertical direction, pulleys are connected to the upper and lower sides of the belt, the pulleys are rotatably provided on the return box, one of the pulleys is connected to a motor, and a scraper is obliquely provided on the outer surface of the belt; The lower end of the return box is provided with a feed inlet matched with the discharge port, and the upper end of the return box is provided with a return port connected with the upper end of the guide plate.

[0017] Compared with the prior art, the present invention has the following beneficial effects: 1. The present invention can pre-slice large pieces of raw materials by equipping the feed port with a slicing device. A feeding control belt is installed on the chute of the feed port, and the weight of the feeding control belt and the pressure of the tension spring are used to fix the raw materials to prevent them from moving disorderly. In addition, the feeding control belt and the slicing device are linked to control the feeding speed of the raw materials, thereby ensuring the consistency of the slice thickness.

[0018] 2. The present invention is equipped with a return box on one side of the shell, and unqualified raw materials re-enter the crushing device through the return box to achieve secondary crushing. The present invention adopts a reciprocating slicing device, which can adapt to raw materials of various hardness and shapes; the cutting speed is usually fast, which helps to improve production efficiency; due to its simple structure, it is relatively convenient to clean and replace the blade.

[0019] 3. The present invention is provided with a movable gathering plate. By adjusting the height of the gathering plate, it is possible to control whether the crushed material flows into the crushing device. When the crushing device can meet the particle size requirements of the material, by changing the gap between the gathering plate and the crushing device, the material can bypass the crushing device and be discharged directly. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] The specific embodiments of the present invention will be further described in detail below with reference to the accompanying drawings.

[0021] Figure 1 It is a schematic diagram of the internal structure of the present invention; Figure 2 It is a front cross-sectional view of the present invention; Figure 3 for Figure 2 A partial enlarged view of middle A; Figure 4 for Figure 3 Back side schematic diagram of the structure; Figure 5 for Figure 4 A partial enlarged view of B in the middle; Figure 6 for Figure 2 A partial enlarged view of middle C; Figure 7 It is a schematic diagram of the crushing device of the present invention when it is not working; Figure 8 for Figure 7 A partial enlarged view of D in the middle.

[0022] In the figure: 1-housing, 1.1-feeding port, 1.2-slideway, 1.3-collection box, 1.4-discharging port, 1.5-guide slide hole, 1.6-positioning hole, 1.7-human sensor, 2-feeding device, 2.1-feeding control belt, 2.2-belt support frame, 2.3-belt adjustment frame, 2.4-arc hole, 2.5-belt frame, 2.6-tension spring, 2.7-main sprocket, 2.8-slave sprocket, 2.9-chain, 2.10-driving disc, 2.11-arc guide groove, 2.12-guide block, 2.13-driving rod, 2.14-follow-up belt, 3-slicing device, 3.1- non-moving knife, 3.2- moving knife, 3.3- mounting plate, 4- crushing device, 4.1- filter screen, 4.2- crushing roller, 4.3- guide plate, 5- crushing device, 5.1- grinding base, 5.2- grinding head, 5.3- rotating motor, 5.4- gathering plate, 5.5- sealing plate, 5.6- extension rod, 6- driving mechanism, 6.1- disc, 6.2- connecting rod, 6.3- driving motor, 6.4- connecting rod, 7- lifting device, 7.1- positioning plate, 7.2- adjusting hole, 8- return box, 8.1- belt, 8.2- pulley, 8.3- scraper plate, 9- rotating driving mechanism. DETAILED DESCRIPTION

[0023] 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.

[0024] Example:

[0025] like Figures 1 to 8 As shown, a raw material crushing device for the production process of aged vinegar includes a shell 1, a feeding device 2, a slicing device 3, a crushing device 4 and a grinding device 5. A feeding port 1.1 is provided on one side of the shell 1. A chute 1.2 is obliquely provided inside the feeding port 1.1. The raw material is put into the chute 1.2 through the feeding port 1.1.

[0026] The feeding device 2 is used to drive the raw materials on the chute 1.2 to move downward along the chute 1.2. Specifically, the feeding device 2 includes a feeding control belt 2.1, a belt support frame 2.2, a belt adjustment frame 2.3 and a belt frame 2.5. The belt support frame 2.2 and the belt adjustment frame 2.3 are respectively fixedly connected to the side walls of the chute 1.2. The belt support frame 2.2 and the belt adjustment frame 2.3 are respectively fixedly arranged on the side walls of the chute 1.2. The feeding control belt 2.1 is rotatably arranged on the belt frame 2.5 through two pulleys. One end of the belt frame 2.5 is hinged to the belt support frame 2.2, so that the belt frame 2.5 and the feeding control belt 2.1 can rotate along the belt support frame 2.2. An arc hole 2.4 is provided on the belt adjustment frame 2.3, and the other end of the belt frame 2.5 is rotatably connected to an arc block, which is slidably arranged in the arc hole 2.4, and a tension spring 2.6 is arranged between the arc block and the lower end of the slide groove 1.2; the tension spring 2.6 applies a downward tension to the belt frame 2.5, so that the lower side of the feeding control belt 2.1 can contact the raw material.

[0027] The bottom surface of the chute 1.2 is provided with a through hole, and a follower belt 2.14 is provided at the lower side of the through hole, and the upper side of the follower belt 2.14 is flush with the bottom surface of the chute 1.2. When the feeding control belt 2.1 drives the raw material to move, the follower belt 2.14 rotates with the movement of the raw material to reduce the resistance of the raw material during movement.

[0028] A main sprocket 2.7 is rotatably provided on one side of the upper end of the belt adjustment frame 2.3, and a driving disk 2.10 is coaxially fixedly connected to the main sprocket 2.7. A slave sprocket 2.8 is coaxially fixedly connected to the pulley on the upper end of the belt frame 2.5, and the main sprocket 2.7 and the slave sprocket 2.8 are connected by a chain 2.9. An arc guide groove 2.11 is provided on the end surface of the driving disk 2.10, and a guide block 2.12 is slidably provided in the arc guide groove 2.11, and the length of the arc guide groove 2.11 is slightly greater than the length of the guide block 2.12.

[0029] The slicing device 3 includes a stationary knife 3.1 and a movable knife 3.2, and a driving rod 2.13 is hinged between the guide block 2.12 and the movable knife 3.2. When the movable knife 3.2 reciprocates up and down, the driving rod 2.13 drives the driving plate 2.10 to rotate, and then drives the slave sprocket 2.8 to rotate through the main sprocket 2.7 and the chain 2.9, thereby driving the feeding control belt 2.1.

[0030] The arc guide groove 2.11 and the guide block 2.12 have two main functions. One is to reduce the requirement for the length accuracy of the driving rod 2.13; the other is to avoid the occurrence of a dead point when the driving rod 2.13 is pushed or pulled.

[0031] The stationary knife 3.1 is located at the lower end of the unloading side of the chute 1.2 to ensure that the raw materials entering through the chute 1.2 can pass through the stationary knife 3.1. A mounting plate 3.3 is fixedly arranged horizontally in the shell 1. The stationary knife 3.1 is fixedly connected to the mounting plate 3.3. The moving knife 3.2 is slidably arranged on the shell 1 and cooperates with the stationary knife 3.1. The moving knife 3.2 is connected to a driving mechanism 6 that drives it to reciprocate up and down.

[0032] The driving mechanism 6 may adopt the following structure: The driving mechanism 6 comprises a disc 6.1, a connecting rod 6.2 and a driving motor 6.3. The driving motor 6.3 is fixedly arranged on the top of the housing 1. The disc 6.1 is driven to rotate by the driving motor 6.3. A connecting rod 6.4 is eccentrically arranged on one side of the disc 6.1. One end of the connecting rod 6.2 is hinged to the connecting rod 6.4, and the other end of the connecting rod 6.2 is hinged to the moving knife 3.2. When the motor shaft of the driving motor 6.3 rotates, the disc 6.1 is synchronously driven to rotate, and then the moving knife 3.2 is driven to reciprocate in the vertical direction through the connecting rod 6.4 and the connecting rod 6.2.

[0033] The crushing device 4 is located at the lower end of the slicing device 3. Two inclined guide plates 4.3 are arranged between the crushing device 4 and the slicing device 3 to gather the raw materials. A gap is left at the lower end of the two guide plates 4.3 for the material to pass through. The sliced ​​raw materials enter the crushing device 4 through the guide plates 4.3.

[0034] The pulverizing device 4 adopts existing technology, such as two pulverizing rollers 4.2 arranged in parallel, and the pulverizing of the raw material is achieved by the synchronous reverse rotation of the two pulverizing rollers 4.2. The pulverizing rollers 4.2 are connected to a rotary drive mechanism 9, and the rotary drive mechanism 9 can adopt a motor.

[0035] A filter screen 4.1 is provided at the lower end of the crushing device 4. A vibrator can be provided at the lower end of the filter screen 4.1. The vibrator drives the filter screen 4.1 to vibrate and discharge the material. A discharge port 1.4 is provided on one side of the housing 1. The crushed raw materials are screened through the filter screen 4.1. Raw materials that meet the particle size requirements fall from the filter screen 4.1 and enter the next process; raw materials that do not meet the particle size requirements enter the discharge port 1.4 along the filter screen 4.1. A return box 8 is provided on one side of the housing 1. A feed port that matches the discharge port 1.4 is provided at the lower end of the return box 8. A return port that is connected to the upper end of the guide plate 4.3 is provided at the upper end of the return box 8. Raw materials that do not meet the particle size requirements are automatically lifted to the upper end of the guide plate 4.3 through the return box 8 for re-crushing.

[0036] In order to realize automatic material return, a belt 8.1 is arranged in the return box 8 along the vertical direction, and pulleys 8.2 are connected to the upper and lower sides of the belt 8.1. The pulleys 8.2 are rotatably arranged on the return box 8. One of the pulleys 8.2 is connected to a motor, and the motor drives the pulley 8.2 to rotate, thereby driving the belt 8.1 to rotate. A scraper plate 8.3 is arranged obliquely on the outer surface of the belt 8.1, and the scraper plate 8.3 drives the raw material to rise and be discharged from the return port.

[0037] The crushing device 5 is arranged at the lower end of the filter 4.1, and includes a grinding base 5.1 and a grinding head 5.2. The grinding base 5.1 is fixedly arranged in the shell 1, and the lower side of the grinding base 5.1 is connected to the shell 1. The grinding head 5.2 is rotatably arranged in the shell 1, and the grinding of the raw material is achieved by the cooperation between the lower end surface of the grinding head 5.2 and the upper end surface of the grinding base 5.1. The motor housing of the rotating motor 5.3 is fixedly connected to the shell 1 through a bracket, and the motor shaft of the rotating motor 5.3 is connected to the grinding head 5.2, and the grinding head 5.2 is driven to work by the rotating motor 5.3.

[0038] like Figure 2 As shown, a gathering plate 5.4 is provided between the grinding base 5.1 and the inner wall of the shell 1, and the discharge port of the gathering plate 5.4 is matched with the upper end of the grinding base 5.1. The raw materials falling from the filter screen 4.1 are gathered above the grinding base 5.1 through the gathering plate 5.4, so as to be convenient for entering the crushing component 5 for processing.

[0039] Not all raw materials need to be ground. In order to allow raw materials that do not need to be ground to enter the collecting box 1.3 directly, the collecting plate 5.4 can move upward relative to the grinding base 5.1. Figure 7 As shown, when the gathering plate 5.4 moves upward, the lower end of the gathering plate 5.4 separates from the grinding base 5.1, so that a gap is generated between the gathering plate 5.4 and the grinding base 5.1, and the material moves directly downward from the gap and falls into the collection box 1.3, which adopts a drawer structure.

[0040] In order to adjust the position of the gathering plate 5.4, the gathering plate 5.4 is connected to a lifting device 7, and a guide slide hole 1.5 is provided on the side wall of the shell 1. A sealing plate 5.5 is fixedly connected to the side wall of the gathering plate 5.4. The sealing plate 5.5 is sealed with the inner side of the guide slide hole 1.5, so that when the gathering plate 5.4 moves up and down, the guide slide hole 1.5 is always in a closed state to prevent leakage.

[0041] Preferably, the lifting device 7 includes a positioning plate 7.1, an extension rod 5.6 fixedly connected to the sealing plate 5.5 is arranged in the guide slide hole 1.5, the positioning plate 7.1 is hinged at the outer end of the extension rod 5.6, and the positioning plate 7.1 is provided with a plurality of adjustment holes 7.2 along the length direction, and the shell 1 is provided with a positioning hole 1.6 matched with the adjustment hole 7.2. By simultaneously passing the positioning pin through the positioning hole 1.6 and one of the adjustment holes 7.2, the height of the gathering plate 5.4 is locked, and by locking the positioning hole 1.6 with different adjustment holes 7.2, the height of the gathering plate 5.4 can be adjusted.

[0042] The feed inlet 1.1 is provided with a human body sensor 1.7, which is electrically connected to the control circuit of the drive motor 6.3. When the human body sensor 1.7 detects that a human hand has been inserted into the feed inlet 1.1, the drive motor 6.3 is immediately controlled to stop to prevent accidents.

[0043] Only the preferred embodiments of the present invention are described in detail above, but the present invention is not limited to the above embodiments. Various changes can be made within the knowledge scope of ordinary technicians in this field without departing from the purpose of the present invention, and various changes should be included in the protection scope of the present invention.

Claims

1. A raw material crushing device for the production process of aged vinegar, Features: It comprises a shell (1) and a feeding device (2), a slicing device (3), a crushing device (4), and a grinding device (5) which are arranged in sequence from top to bottom in the shell (1), and a collecting box (1.3) is arranged at the lower end of the shell (1); A feed port (1.1) is provided on one side of the housing (1), a slide groove (1.2) is obliquely provided in the feed port (1.1), a feed device (2) is provided on the slide groove (1.2), the feed device (2) comprises a feeding control belt (2.1), a belt support frame (2.2), a belt adjustment frame (2.3) and a belt frame (2.5), the belt support frame (2.2) and the belt adjustment frame (2.3) are respectively fixedly provided on the side walls of the slide groove (1.2), the feeding control belt (2.1) is rotatably provided on the belt frame (2.5) via two pulleys, one end of the belt frame (2.5) is hinged to the belt support frame (2.2), an arc-shaped hole (2.4) is provided on the belt adjustment frame (2.3), the other end of the belt frame (2.5) is rotatably connected to an arc-shaped block, the arc-shaped block is slidably provided in the arc-shaped hole (2.4), and a tension spring (2.6) is provided between the arc-shaped block and the lower end of the slide groove (1.2); A main sprocket (2.7) is rotatably provided on one side of the upper end of the belt adjustment frame (2.3), a driving disk (2.10) is coaxially fixedly connected to the main sprocket (2.7), a slave sprocket (2.8) is coaxially fixedly connected to the pulley on the upper end of the belt frame (2.5), and the main sprocket (2.7) and the slave sprocket (2.8) are connected via a chain (2.9); an arc-shaped guide groove (2.11) is provided on the end surface of the driving disk (2.10), a guide block (2.12) is slidably provided in the arc-shaped guide groove (2.11), and the length of the arc-shaped guide groove (2.11) is greater than the length of the guide block (2.12); The slicing device (3) comprises a movable knife (3.2) which reciprocates up and down, and a driving rod (2.13) is hingedly connected between the guide block (2.12) and the movable knife (3.2).

2. A raw material crushing device for a mature vinegar production process according to claim 1, Features: The bottom surface of the slide groove (1.2) is provided with a through hole, and a follower belt (2.14) is provided on the lower side of the through hole, and the upper side of the follower belt (2.14) is flush with the bottom surface of the slide groove (1.2).

3. A raw material crushing device for a mature vinegar production process according to claim 1, Features: The grinding device (5) comprises a grinding base (5.1) and a grinding head (5.2); the grinding base (5.1) is fixedly arranged in the shell (1); the lower end surface of the grinding head (5.2) matches with the upper end surface of the grinding base (5.1); the grinding head (5.2) is connected to a rotating motor (5.3); a material gathering plate (5.4) is arranged between the grinding base (5.1) and the inner wall of the shell (1); the material discharge port of the material gathering plate (5.4) matches with the upper end of the grinding base (5.1); the material gathering plate (5.4) is slidably arranged on the shell (1); and a lifting device (7) for adjusting the height of the material gathering plate (5.4) is arranged between the material gathering plate (5.4) and the shell (1).

4. The raw material crushing device for the production process of aged vinegar according to claim 1, Features: The slicing device (3) further comprises a stationary knife (3.1), the stationary knife (3.1) being located at the lower end of the unloading side of the chute (1.2) and being fixedly connected to the housing (1), a movable knife (3.2) being slidably disposed on the housing (1) and cooperating with the stationary knife (3.1), and the movable knife (3.2) being connected to a driving mechanism (6) for driving the movable knife (3.2) to move reciprocatingly up and down.

5. The raw material crushing device for the production process of aged vinegar according to claim 3, Features: The side wall of the shell (1) is provided with a guide sliding hole (1.5), and the side wall of the material gathering plate (5.4) is fixedly connected with a sealing plate (5.5), and the sealing plate (5.5) is in sealing cooperation with the inner side of the guide sliding hole (1.5); The lifting device (7) comprises a positioning plate (7.1), an extension rod (5.6) fixedly connected to the sealing plate (5.5) is arranged in the guide sliding hole (1.5), the positioning plate (7.1) is hinged to the outer end of the extension rod (5.6), the positioning plate (7.1) is provided with a plurality of adjustment holes (7.2) along the length direction, the housing (1) is provided with a positioning hole (1.6) matched with the adjustment hole (7.2), and the positioning hole (1.6) is matched with one of the adjustment holes (7.2) via a positioning pin.

6. The raw material crushing device for the production process of aged vinegar according to claim 1, Features: The pulverizing device (4) comprises two pulverizing rollers (4.2) arranged in parallel, and the two pulverizing rollers (4.2) rotate synchronously in opposite directions.

7. The raw material crushing device for the production process of aged vinegar according to claim 4, Features: A mounting plate (3.3) is horizontally arranged in the shell (1), and the stationary knife (3.1) is detachably arranged on the mounting plate (3.3), and the length of the stationary knife (3.1) is greater than the width of the unloading side of the chute (1.2).

8. The raw material crushing device for the production process of aged vinegar according to claim 4, Features: The driving mechanism (6) comprises a disc (6.1), a connecting rod (6.2) and a driving motor (6.3); the driving motor (6.3) is fixedly arranged on the top of the housing (1); the disc (6.1) is connected to the motor shaft of the driving motor (6.3); a connecting rod (6.4) is eccentrically arranged on one side of the disc (6.1); one end of the connecting rod (6.2) is hinged to the connecting rod (6.4); and the other end of the connecting rod (6.2) is hinged to the moving knife (3.2).

9. A raw material crushing device for the production process of aged vinegar according to claim 8, Features: The feed port (1.1) is provided with a human body sensor (1.7), and the human body sensor (1.7) is electrically connected to a control circuit of a drive motor (6.3).

10. The raw material crushing device for the production process of aged vinegar according to claim 1, Features: Two inclined guide plates (4.3) are provided between the crushing device (4) and the slicing device (3); a filter screen (4.1) is provided at the lower end of the crushing device (4); a discharge port (1.4) is provided on one side of the housing (1); the filter screen (4.1) is inclined, and the lower end of the filter screen (4.1) is in communication with the discharge port (1.4); A return box (8) is provided on one side of the housing (1), a belt (8.1) is provided in the return box (8) in a vertical direction, upper and lower sides of the belt (8.1) are connected to pulleys (8.2), the pulleys (8.2) are rotatably provided on the return box (8), one of the pulleys (8.2) is connected to a motor, and a scraper plate (8.3) is obliquely provided on the outer surface of the belt (8.1); The lower end of the return box (8) is provided with an inlet port that matches the outlet port (1.4), and the upper end of the return box (8) is provided with a return port that communicates with the upper end of the guide plate (4.3).

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