Medicinal and edible material crushing device for medicinal and edible medicine bag

Abstract

The invention discloses a medicinal and edible material crushing device for medicinal and edible medicine bags, and belongs to the field of crushing devices.The medicinal and edible material crushing device is characterized in that a filter screen piece is replaced with a steel belt type filter screen, the steel belt type filter screen has certain flexibility and can be bent, and the steel belt type filter screen is matched with a front annular guide mechanism and a rear annular guide mechanism to restrain and limit the steel belt type filter screen in a crushing cavity; when the aperture of the mesh needs to be switched, the device does not need to be shut down, and the switching process can be achieved, so that the continuity of the device during operation and the convenience of the device during use are improved.

Description

TECHNICAL FIELD

[0001] The present application relates to the field of pulverizing devices, more particularly to a medicinal and edible material pulverizing device for a medicinal and edible package. BACKGROUND

[0002] The medicinal and edible package is favored in the health and wellness field because it has both medicinal value and edible safety. The pulverizing of medicinal and edible materials is one of the core processes of the production of medicinal and edible packages, and the pulverizing effect directly affects the dissolution rate of effective ingredients, the eating taste, and the subsequent packaging quality of the package.

[0003] At present, there are various devices for pulverizing medicinal and edible materials on the market, such as hammer mills, blade mills, and grinding mills. The hammer mill pulverizes materials by repeatedly hitting and impacting them with high-speed rotating hammers. Although it has many advantages, the inventors have found that it still has the following shortcomings: For example, the bottom of the existing hammer mill is usually fixedly installed with an arc-shaped filter screen. The pulverized materials need to pass through the filter screen before being discharged through the discharge port at the bottom. This structure is simple, but when the filter screen needs to be replaced or the mesh size of the filter screen needs to be replaced, the hammer mill must be stopped before the sealed door can be opened for replacement. Therefore, such replacement and switching structure is not only cumbersome to operate, but also not conducive to the continuous operation of the hammer mill. Therefore, we propose a medicinal and edible material pulverizing device for a medicinal and edible package to solve the above problems. SUMMARY

[0004] 1. Technical problem to be solved In view of the problems existing in the prior art, when the existing hammer mill needs to replace the filter screen or replace the mesh size of the filter screen, the hammer mill must be stopped before the sealed door can be opened for replacement. Therefore, such replacement and switching structure is not only cumbersome to operate, but also not conducive to the continuous operation of the hammer mill.

[0005] 2. Technical solution To solve the above problems, the present application adopts the following technical solution.

[0006] A medicinal and edible material pulverizing device for a medicinal and edible package, comprising a pulverizer shell, a pulverizing cavity and a discharge port are formed in the interior of the pulverizer shell, front and rear wall plates are respectively arranged on both sides of the pulverizer shell, an opening is formed in the front wall plate, a sealed door is rotatably connected to one side of the front wall plate through a hinge, a discharge pipe and a hopper are fixedly installed on the sealed door, and the hopper is connected in communication with the interior of the pulverizing cavity through the discharge pipe; The pulverizing cavity is internally provided with a front annular guide mechanism and a rear annular guide mechanism which are of the same structure, the rear annular guide mechanism comprises an open constraint ring and a rotating ring, the rotating ring comprises a rotating part and a mounting part which is rotationally connected inside the rotating part, a sealing ring part is fixedly installed on the rotating part by screws, the open constraint ring is sleeved outside the rotating part, and a clamping gap is formed between the inner wall of the open constraint ring and the outer wall of the rotating part, the open constraint ring on the front annular guide mechanism and the mounting part are fixedly installed on the inner wall of the front wall plate by screws, the open constraint ring on the rear annular guide mechanism and the mounting part are fixedly installed on the inner wall of the rear wall plate by screws, the outer walls of the open constraint rings on the front annular guide mechanism and the rear annular guide mechanism are closely attached to the inner wall of the pulverizing cavity, the diameters of the inner walls of the mounting parts on the open, the front annular guide mechanism and the rear annular guide mechanism are equal, and the open constraint rings on the front annular guide mechanism and the rear annular guide mechanism are fixedly installed by a plurality of connecting rods.

[0007] Further, two insertion slots are formed on the pulverizer shell at positions corresponding to the two ends of the top of the open constraint ring, a steel belt type filter screen is arranged inside the pulverizing cavity, the two side edges of the steel belt type filter screen are clamped by the clamping gaps on the front annular guide mechanism and the rear annular guide mechanism, the steel belt type filter screen is constrained to have an open circular structure by the two clamping gaps, the two ends of the steel belt type filter screen extend to the outside of the top of the pulverizer shell through the two insertion slots, a plurality of mesh hole sections are equidistantly formed on the steel belt type filter screen, the lengths of the mesh hole sections are all greater than the circumference of the inner wall of the pulverizing cavity, the diameters of the mesh holes on the plurality of mesh hole sections are not equal, and the width of the steel belt type filter screen is equal to the distance between the front wall plate and the rear wall plate.

[0008] Further, the thickness of the clamping gap is equal to the thickness of the steel belt type filter screen, the sealing ring parts on the front annular guide mechanism and the rear annular guide mechanism are fixedly installed in a reverse symmetrical manner, the inner wall of the cross section of the sealing ring part is of a slope type structure, the outer wall of the sealing ring part is in close contact with the inner wall of the steel belt type filter screen, and the outer wall of the connecting rod is tangent to the inner wall of the open constraint ring.

[0009] Further, the inner wall of the sealing door is provided with an annular fitting edge, and the outer wall of the annular fitting edge is closely fitted with the inner wall of the opening.

[0010] Further, two structure same winding mechanisms are arranged on the crusher shell at the slot position, the winding mechanism comprises a set of supports, and a set of the support bottoms are fixedly welded on the crusher shell through a set of connecting arms, a rotating shaft is rotatably connected between a set of the supports, a winding disc is fixedly installed on the rotating shaft, the steel belt filter screen is wound on the two winding discs through the two slots respectively, a sealing plug is clamped on the slot at the connection between the steel belt filter screen and the slot, a worm wheel is fixedly installed on one end of the rotating shaft in the support, a worm is rotatably connected to the support on the top of the worm wheel, the gear opening of the worm wheel is engaged with the worm tooth of the worm, and a handle is fixedly installed on one end of the worm.

[0011] Further, a main shaft is rotatably connected to the rear wall plate through a bearing, a hammer head cutter is fixedly installed on the main shaft in the crushing cavity, a belt disc is fixedly installed on the main shaft outside the crusher shell, a drive motor is fixedly installed on the bottom of the crusher shell through a base frame, a belt pulley is fixedly installed on the end of the drive shaft of the drive motor, and the belt pulley and the belt disc are connected through a belt.

[0012] 3. Beneficial effects Compared with the prior art, the advantages of the present application are that: (1) In the present scheme, the filter screen is replaced by a steel belt filter screen, and the steel belt filter screen has a certain flexibility and can be bent, and is matched with a front annular guide mechanism and a rear annular guide mechanism to constrain and position it in the crushing cavity, so that the mesh aperture can be switched without stopping the device, improving the continuity of the device during operation and the convenience during use. (2) In the present scheme, the winding mechanism for moving and switching the steel belt filter screen uses the transmission form of the worm and the worm wheel, which has the characteristic of self-locking after worm and worm wheel transmission, facilitating positioning after the rotation of the two winding discs, without the need for additional locking structure, and the structure is simpler. (3) In the present scheme, the installation part of the opening type constraint ring and the rotating ring is installed in the crushing cavity, forming a clamping gap that can constrain and clamp the steel belt filter screen in the crushing cavity, facilitating installation, and since the rotating part can rotate, the smoothness of the movement of the steel belt filter screen clamped in the clamping gap is improved. (4) In the present scheme, the sealing ring part can seal the gap between the inner wall of the steel belt filter screen and the outer wall of the rotating part, avoiding the leakage of the powder in the inner wall of the steel belt filter screen to the outer wall of the steel belt filter screen through the clamping gap, and then discharging through the discharge port. (5) In this solution, the setting of the connecting rod and the tangent connection between the outer wall of the connecting rod and the inner wall of the open-type restraint ring can not only improve the structural strength between the open-type restraint rings of the front annular guide mechanism and the rear annular guide mechanism after installation, but also enable the outer wall of the connecting rod to support the outer wall of the steel belt filter, thereby improving the stability of the installation structure of the steel belt filter, and preventing the particles of medicinal materials from colliding with the inner wall of the steel belt filter at high speed during the crushing process, causing the steel belt filter to deform inside the crushing chamber and break away from the clamping gap, and also not interfere with the powder of the medicinal materials after crushing from penetrating from the inner wall of the steel belt filter to the outer wall of the steel belt filter, and falling between the outer wall of the steel belt filter and the inner wall of the crushing chamber to the discharge port. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a schematic diagram of the overall structure of the present invention; Figure 2 This is a schematic diagram of the internal structure of the crushing chamber of the present invention; Figure 3 For the present invention Figure 2 Schematic diagram of the structure of the middle part of the area; Figure 4 This is a schematic diagram of the back structure of the sealing door of the present invention; Figure 5 This is a schematic diagram of the installation structure of the steel belt filter, the front annular guide mechanism, and the rear annular guide mechanism of the present invention; Figure 6 For the present invention Figure 5 Schematic diagram of the structure of the middle part of the area; Figure 7 This is a schematic diagram of the separation structure of the steel belt filter, the front annular guide mechanism, and the rear annular guide mechanism of the present invention; Figure 8 This is a schematic diagram of the disassembled structure of the rear annular guide mechanism of the present invention.

[0014] Description of the numbers in the figure: 1. Crusher housing; 101. Crushing chamber; 102. Feeding port; 103. Front wall; 1031. Opening; 104. Rear wall; 105. Slot; 2. Sealing door; 201. Annular fitting edge; 3. Feeding tube; 4. Hopper; 5. Hammer cutter head; 6. Base frame; 7. Drive motor; 8. Front annular guide mechanism; 9. Rear annular guide mechanism; 10. Open-type restraining ring; 11. Rotating ring; 1101. Rotating portion; 1102. Mounting portion; 1103. Sealing ring portion; 12. Clamping gap; 13. Connecting rod; 14. Steel belt filter; 15. Winding mechanism; 16. Bracket; 17. Connecting arm; 18. Rotating shaft; 19. Winding reel; 20. Worm gear; 21. Worm. DETAILED DESCRIPTION

[0015] The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the specification of the present invention; it is obvious that the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the present invention.

[0016] Example 1: See also Figures 1-8 A medicinal food material pulverizing device for a medicinal food package having medicinal and edible properties, comprising a pulverizer housing 1, a pulverizing chamber 101 and a feed opening 102 being provided inside the pulverizer housing 1, a front wall plate 103 and a rear wall plate 104 being provided on both sides of the pulverizer housing 1, and an opening 1031 being provided on the front wall plate 103, a sealing door 2 being rotatably connected to one side of the front wall plate 103 by a hinge, a feed opening pipe 3 and a hopper 4 being fixedly mounted on the sealing door 2, and the hopper 4 being communicated with the interior of the pulverizing chamber 101 through the feed opening pipe 3; The crushing chamber 101 is provided with a front annular guide mechanism 8 and a rear annular guide mechanism 9 of the same structure. The rear annular guide mechanism 9 includes an open-type constraint ring 10 and a rotating ring 11. The rotating ring 11 includes a rotating portion 1101 and a mounting portion 1102 rotatably connected to the rotating portion 1101. A sealing ring portion 1103 is fixedly mounted on the rotating portion 1101 by screws. The open-type constraint ring 10 is sleeved on the outside of the rotating portion 1101, and a clamping gap 12 is formed between the inner wall of the open-type constraint ring 10 and the outer wall of the rotating portion 1101. The open-type constraint ring 10 and the mounting portion 1102 on the front annular guide mechanism 8 are provided. 1102 are fixedly mounted on the inner wall of the front wall plate 103 by screws, and the open-type restraint ring 10 and the mounting portion 1102 on the rear annular guide mechanism 9 are fixedly mounted on the inner wall of the rear wall plate 104 by screws. The outer walls of the open-type restraint rings 10 on the front annular guide mechanism 8 and the rear annular guide mechanism 9 are tightly fitted with the inner wall of the crushing chamber 101. The opening 1031 and the inner wall diameters of the mounting portions 1102 on the front annular guide mechanism 8 and the rear annular guide mechanism 9 are all equal. The open-type restraint rings 10 on the front annular guide mechanism 8 and the rear annular guide mechanism 9 are fixedly mounted by a plurality of connecting rods 13; Two insertion slots 105 are formed on the upper end of the crusher shell 1 corresponding to the position of the open type constraint ring 10, a steel belt type filter screen 14 is arranged inside the crushing cavity 101, the two side edges of the steel belt type filter screen 14 are clamped by the clamping gap 12 on the front and rear annular guide mechanisms 8 and 9, the steel belt type filter screen 14 is clamped in a circular structure with openings by the two clamping gaps 12, the two ends of the steel belt type filter screen 14 extend to the outside of the top of the crusher shell 1 through the two insertion slots 105, a plurality of mesh sections are equidistantly formed on the steel belt type filter screen 14, the length of each mesh section is greater than the circumference of the inner wall of the crushing cavity 101, the diameters of the mesh holes on the plurality of mesh sections are not equal, and the width of the steel belt type filter screen 14 is equal to the distance between the front and rear wall plates 103 and 104. Two winding mechanisms 15 are arranged on the crusher shell 1 corresponding to the position of the insertion slots 105, the winding mechanism 15 includes a set of supports 16, the bottom of the set of supports 16 is fixedly welded to the crusher shell 1 through a set of connecting arms 17, a rotating shaft 18 is rotatably connected between the set of supports 16, a winding disc 19 is fixedly installed on the rotating shaft 18, the two ends of the steel belt type filter screen 14 are wound on the two winding discs 19 through the two insertion slots 105, a sealing plug is clamped on the insertion slot 105 at the connection between the steel belt type filter screen 14 and the insertion slot 105, a worm gear 20 is fixedly installed on one end of the rotating shaft 18 inside the support 16, a worm shaft 21 is rotatably connected to the support 16 on the top of the worm gear 20, the teeth of the worm gear 20 are engaged with the spiral teeth of the worm shaft 21, and a handle is fixedly installed on one end of the worm shaft 21. A main shaft is rotatably connected to the rear wall plate 104 through a bearing, a hammer cutter head 5 is fixedly installed on the main shaft inside the crushing cavity 101, a belt disc is fixedly installed on the main shaft outside the crusher shell 1, a driving motor 7 is fixedly installed on the bottom of the crusher shell 1 through a base frame 6, a belt pulley is fixedly installed on the driving shaft end of the driving motor 7, and the belt pulley and the belt disc are connected by a belt.

[0017] The use principle of the medicinal and edible material crushing device of the kind of medicinal and edible material crushing device is as follows: Firstly, the driving motor 7 drives the main shaft to rotate through the connection of the belt, so as to drive the hammer cutter head 5 to rotate inside the crushing cavity 101, then the medicinal and edible materials are added into the hopper 4, and then enter the crushing cavity 101 through the guide of the feeding pipe 3, and continuously contact and impact with the high-speed rotating hammer cutter head 5, so as to achieve the crushing effect, and the crushed medicinal and edible material powder can pass through the steel belt type filter screen 14 above the discharging port 102 and be discharged through the discharging port 102; When it is needed to switch the mesh segments on the steel-belt filter screen 14 inside the crushing cavity 101 and change the mesh hole diameter of the mesh segments staying inside the crushing cavity 101, at this time, only the handles on the two winding mechanisms 15 need to be slowly turned, the two winding discs 19 are simultaneously rotated through the connection of the worm 21, the worm wheel 20 and the rotating shaft 18, and the release of the steel-belt filter screen 14 from one end of the steel-belt filter screen 14 is performed by one winding disc 19, and the winding of the steel-belt filter screen 14 from one end of the steel-belt filter screen 14 is performed by the other winding disc 19, at this time, the steel-belt filter screen 14 can move inside the crushing cavity 101 through the constraint and location of the two insertion slots 105 and the two clamping gaps 12, the effect of switching the mesh segments on the steel-belt filter screen 14 inside the crushing cavity 101 and changing the mesh hole diameter of the mesh segments staying inside the crushing cavity 101 is achieved, and until the mesh hole diameter of the mesh segments staying inside the crushing cavity 101 meets the use requirement. During the process, the device does not need to be stopped, and the operation is convenient. The two winding mechanisms 15 are used to switch the steel-belt filter screen 14, which is convenient for operation, and the separated winding mechanisms 15 can pull the steel-belt filter screen 14 from both ends, which is convenient for adjusting the tension of the steel-belt filter screen 14 staying inside the crushing cavity 101, and the rotation of the winding disc 19 is driven by the transmission of the worm 21 and the worm wheel 20, which has the self-locking characteristic after the transmission of the worm and the worm wheel, and the two winding discs 19 are conveniently positioned without the need for a special locking structure, and the structure is simpler.

[0018] Embodiment 2: In view of the above embodiment 1, further description is made, referring to Figures 2-8 Figures 1-8 Figures 2-8 The thickness of the clamping gap 12 is equal to the thickness of the steel-belt filter screen 14, the sealing ring parts 1103 on the front and rear ring-shaped guide mechanisms 8 and 9 are fixedly installed in reverse symmetry, the inner wall of the cross section of the sealing ring part 1103 is in a slope structure, the outer wall of the sealing ring part 1103 is in close contact with the inner wall of the steel-belt filter screen 14, and the outer wall of the connecting rod 13 is tangent to the inner wall of the open constraint ring 10. The front annular guide mechanism 8 and the rear annular guide mechanism 9 are structurally identical, and the rear annular guide mechanism 9 comprises an open constraint ring 10 and a rotating ring 11, the rotating ring 11 comprises a rotating part 1101 and a mounting part 1102 rotatably connected inside the rotating part 1101, and a sealing ring part 1103 is fixedly mounted on the rotating part 1101 by screws, so that after the mounting part 1102 of the open constraint ring 10 and the rotating ring 11 is mounted inside the crushing cavity 101, the clamping gap 12 formed thereby can just constrain and clamp the steel belt filter screen 14 staying inside the crushing cavity 101, facilitating installation, and since the rotating part 1101 is rotatable, the smoothness of the steel belt filter screen 14 clamped inside the clamping gap 12 can be improved; The sealing ring part 1103 can seal the gap between the inner wall of the steel belt filter screen 14 and the outer wall of the rotating part 1101, so as to prevent the powder on the inner wall of the steel belt filter screen 14 from leaking to the outer wall of the steel belt filter screen 14 through the clamping gap 12 and then being discharged through the discharge port 102; The opening on the open constraint ring 10 facilitates the extension of the two ends of the steel belt filter screen 14 to the outside of the top of the crusher shell 1 through the two insertion grooves 105, avoids interference during installation, and the sealing plug clamped on the insertion groove 105 at the connection between the steel belt filter screen 14 and the insertion groove 105 can improve the sealing performance of the insertion groove 105 and reduce the probability of powder overflowing outward through the insertion groove 105; The connection rod 13 is provided and the outer wall of the connection rod 13 is tangent to the inner wall of the open constraint ring 10, which can not only make the structural strength between the open constraint rings 10 of the front annular guide mechanism 8 and the rear annular guide mechanism 9 better, but also support the outer wall of the steel belt filter screen 14, improve the stability of the installation structure of the steel belt filter screen 14, avoid high-speed impact of particles of medicinal and edible materials on the inner wall of the steel belt filter screen 14 during the crushing process, and make the steel belt filter screen 14 deform inside the crushing cavity 101 and be separated from the clamping of the clamping gap 12, and also do not interfere with the penetration of the powder of medicinal and edible materials crushed from the inner wall of the steel belt filter screen 14 to the outer wall of the steel belt filter screen 14 and the falling of the powder between the outer wall of the steel belt filter screen 14 and the inner wall of the crushing cavity 101 to the discharge port 102; The inner wall of the sealing door 2 is provided with an annular fitting edge 201, and the outer wall of the annular fitting edge 201 is tightly fitted with the inner wall of the opening 1031. Such a structure design can improve the sealing performance between the sealing door 2 and the inner wall of the opening 1031 and avoid material leakage.

[0019] The above is only a preferred specific embodiment of the present application; however, the protection scope of the present application is not limited thereto. Any person skilled in the art can make equivalent replacements or changes within the technical range disclosed in the present application according to the technical solution and improvement concept of the present application, which should be covered within the protection scope of the present application.

Claims

1. A medicinal food material pulverizing device for a medicinal food package, comprising a pulverizer housing, characterized in that: A crushing chamber and a discharge port are provided inside the crusher housing, and a front wall plate and a rear wall plate are provided on both sides of the crusher housing, and an opening is provided on the front wall plate. A sealing door is rotatably connected to one side of the front wall plate through a hinge, and a discharge pipe and a hopper are fixedly installed on the sealing door. The hopper is connected to the inside of the crushing chamber through the discharge pipe; The pulverizing chamber is provided with a front annular guide mechanism and a rear annular guide mechanism of the same structure, the rear annular guide mechanism includes an open-type constraint ring and a rotating ring, the rotating ring includes a rotating part and a mounting part rotatably connected to the inside of the rotating part, a sealing ring part is fixedly installed on the rotating part by screws, the open-type constraint ring is sleeved on the outside of the rotating part, and a clamping gap is formed between the inner wall of the open-type constraint ring and the outer wall of the rotating part, the open-type constraint ring and the mounting part on the front annular guide mechanism are both fixedly installed on the inner wall of the front wall plate by screws, and the open-type constraint ring and the mounting part on the rear annular guide mechanism are both fixedly installed on the inner wall of the rear wall plate by screws, the outer walls of the open-type constraint rings on the front annular guide mechanism and the rear annular guide mechanism are tightly fitted with the inner wall of the pulverizing chamber, the opening, the inner walls of the mounting parts on the front annular guide mechanism and the rear annular guide mechanism are all equal in diameter, and the open-type constraint rings on the front annular guide mechanism and the rear annular guide mechanism are fixedly installed by a number of connecting rods.

2. The medicinal and food material pulverizing device for a medicine and food package according to claim 1, characterized in that: Two slots are provided on the pulverizer shell at the two end positions corresponding to the top of the open-type constraint ring, and a steel belt filter is provided inside the pulverizing chamber. The edges of the steel belt filter on both sides are clamped by the clamping gaps on the front annular guide mechanism and the rear annular guide mechanism, and the steel belt filter is constrained by the two clamping gaps to form a circular structure with an opening. The two ends of the steel belt filter extend to the outside of the top of the pulverizer shell through the two slots respectively, and a number of mesh segments are equidistantly provided on the steel belt filter, and the length of the mesh segments is greater than the circumference of the inner wall of the pulverizing chamber, the mesh apertures on the several mesh segments are not equal, and the width of the steel belt filter is equal to the distance between the front wall plate and the rear wall plate.

3. The medicinal and food material pulverizing device for a medicine and food package according to claim 2, characterized in that: The thickness of the clamping gap is equal to the thickness of the steel belt filter screen. The sealing ring parts on the front annular guide mechanism and the rear annular guide mechanism are fixedly installed in a reverse symmetrical manner, and the inner wall of the cross-section of the sealing ring part is a sloped structure. The outer wall of the sealing ring part is in close contact with the inner wall of the steel belt filter screen, and the outer wall of the connecting rod is tangent to the inner wall of the open-type constraint ring.

4. The medicinal and food material pulverizing device for a medicine and food package according to claim 1, characterized in that: The inner wall of the sealing door is provided with an annular fitting edge, and the outer wall of the annular fitting edge is tightly fitted with the inner wall of the opening.

5. The medicinal and food material pulverizing device for a medicine and food package according to claim 3, characterized in that: Two winding mechanisms with the same structure are provided on the pulverizer shell corresponding to the slot positions, and the winding mechanism includes a group of brackets, and the bottom of a group of the brackets is fixedly welded to the pulverizer shell through a group of connecting arms, a rotating shaft is rotatably connected between a group of the brackets, and a winding disk is fixedly installed on the rotating shaft, and the two ends of the steel belt filter are respectively wound on the two winding disks through the two slots, and a sealing plug is clamped on the slot where the steel belt filter is connected to the slot, a worm gear is fixedly installed on one end of the rotating shaft located inside the bracket, and a worm is rotatably connected to the bracket located at the top of the worm gear, the teeth of the worm wheel are meshed with the vortex teeth of the worm, and a handle is fixedly installed on one end of the worm.

6. The medicinal and food material pulverizing device for a medicine and food package according to claim 1, characterized in that: The rear wall plate is rotatably connected with a main shaft via a bearing, a hammer cutter disc is fixedly mounted on the main shaft located inside the crushing chamber, a belt pulley is fixedly mounted on the main shaft located outside the crusher housing, a driving motor is fixedly mounted on the bottom of the crusher housing via a base frame, a pulley is fixedly mounted on the end of the driving shaft of the driving motor, and the pulley and the belt pulley are connected by a belt.

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