Traditional Chinese medicinal material slicing, screening and grading equipment

Abstract

The invention provides traditional Chinese medicinal material slicing, screening and grading equipment which comprises a box body, a supporting frame is fixedly arranged in the top end of the box body, the supporting frame is in a U shape, a pushing mechanism is arranged at the top of the supporting frame and comprises a pushing frame, the pushing frame is arranged at the top of the supporting frame in a sliding mode, and the pushing frame is arranged on the top of the supporting frame in a sliding mode. A cutter is arranged in one end of the supporting frame through an adjusting mechanism, and the cutter is arranged in one end of the supporting frame in a limited sliding mode. A pushing frame can be pushed through a servo motor, a screw rod and a screw pipe, the pushing frame pushes traditional Chinese medicinal materials to move through a material distributing groove, the traditional Chinese medicinal materials are conveniently cut, the hands cannot be hurt, and the cut traditional Chinese medicinal materials are directly discharged to a screening frame to be screened, so that the traditional Chinese medicinal materials are prevented from being blocked; therefore, the sorting efficiency of traditional Chinese medicinal material slices is improved.

Description

Technical Field

[0001] The invention relates to the technical field of Chinese medicinal material slice screening equipment, in particular to a Chinese medicinal material slice screening and grading equipment. Background Art

[0002] Slicing Chinese medicinal materials is one of the methods of cutting Chinese medicinal materials. It is a processing process in which the washed and softened medicinal materials are cut into slices by machine or manually according to the hardness, size, and thickness of the herbs.

[0003] The Chinese utility model patent with announcement number CN210115958U proposes a multi-stage cutting and sorting machine for Chinese herbal medicine slices, including a medicine placing box, a solid medicine cavity, a cutting wheel, a slicing selection plate, a rotating wheel, a machine case, a finished product box, a left residual material box, a cutting knife, a left selection plate wall, a rotating shaft opening, a slice collecting cavity, a rotating shaft hole, a slicing tube, a first medicine dispensing port, a second medicine dispensing port, a third medicine dispensing port, a right residual material box, a finished product port, an upper branch pipe, a lower branch pipe and a medicine inlet; a medicine placing box is arranged at the upper rear end of the multi-stage cutting and sorting machine for Chinese herbal medicine slices, the front right part of the medicine placing box is fixedly connected to the rear end of the solid medicine cavity, and the medicine placing box is communicated with the solid medicine cavity; when slicing Chinese medicinal materials, this technical solution needs to manually send the Chinese medicinal materials into the solid medicine cavity, which is easy to cause damage to the hands, and the slices of Chinese medicinal materials are sorted by the slicing tube, and the slicing tube is easily blocked by the Chinese medicinal material slices, affecting the sorting efficiency of the Chinese medicinal material slices.

[0004] To this end, the present invention discloses a Chinese medicinal material slice screening and grading device. Summary of the invention

[0005] In view of the deficiencies in the prior art, the purpose of the present invention is to provide a Chinese medicinal material slice screening and grading device to solve the problems raised in the above-mentioned background technology. The present invention can push the pushing frame through a servo motor, a screw and a screw tube. The pushing frame pushes the Chinese medicinal materials to move through a material dividing trough, which is convenient for cutting the Chinese medicinal materials without causing harm to the hands. The cut Chinese medicinal material slices are directly arranged on the screening frame for screening to avoid clogging of the Chinese medicinal materials, thereby improving the sorting efficiency of the Chinese medicinal material slices.

[0006] In order to achieve the above-mentioned purpose, the present invention is realized by the following technical scheme: a Chinese medicinal material slicing screening and grading device, comprising a box body, a support frame is fixedly arranged inside the top of the box body, the shape of the support frame is "U", a pushing mechanism is arranged on the top of the support frame, the pushing mechanism comprises a pushing frame, the pushing frame is slidably arranged on the top of the support frame, a cutting knife is arranged inside one end of the support frame through an adjusting mechanism, the cutting knife is limitedly slidably arranged inside one end of the support frame, a vibration mechanism is arranged inside the bottom end of the box body, the vibration mechanism comprises a mounting plate, the mounting plate is fixedly arranged at the bottom of the support frame, a screening frame is limitedly slidably arranged on one side of the mounting plate, the shape of the screening frame is "U", the top and bottom of one side of the screening frame are symmetrically provided with reinforcing rods, a first screen and a second screen are fixedly installed between the reinforcing rods, a guide plate is fixedly arranged inside the corresponding box body below the screening frame, and a first spring is fixedly arranged between the top of the guide plate and the screening frame.

[0007] Furthermore, a discharge port is provided at the top of the box body corresponding to the top of the pushing frame, and material dividing plates are equidistantly arranged inside the discharge port, and material dividing grooves are equidistantly arranged inside one end of the pushing frame.

[0008] Furthermore, the push frame is in an "L" shape, a screw tube is fixedly provided at the bottom of the other end of the push frame, a screw rod is threadedly installed inside the screw tube, and the screw rod is limitedly rotated and installed inside the box.

[0009] Furthermore, the adjustment mechanism includes a fixed box, which is fixedly arranged on the outer wall of the top end of the box body, and a servo motor is fixedly installed on the outer side of the fixed box, and the output shaft of the servo motor is fixedly connected to one end of the screw.

[0010] Furthermore, a first rotating rod is rotatably installed on the inner side of the support frame corresponding to the box body and the fixed box, and a belt transmission mechanism is arranged between the first rotating rod and one end of the screw rod. The belt transmission mechanism includes a pulley and a belt, and the pulleys are respectively installed on one end of the first rotating rod and the screw rod, and the belt is movably installed between the pulleys.

[0011] Furthermore, an eccentric wheel is fixedly provided at the other end of the first rotating rod, the shape of the cutter is "L"-shaped, a sliding groove is provided on the inner wall of the support frame, one end of the cutter is limitedly slidably installed inside the sliding groove, and a second spring is fixedly provided between one end of the cutter and the top wall of the sliding groove.

[0012] Furthermore, the top of the cutter is a blade, and a fixing block is fixedly arranged above the inner top of the box body corresponding to the support frame, and the fixing block is arranged above the cutter, and the bottom end of the cutter is in close contact with the top of the eccentric wheel.

[0013] Furthermore, a second rotating rod is installed for internal rotation at one side of the mounting plate corresponding to the bottom end of the box body, and the top end of the second rotating rod is arranged on the inner side of the support frame. A lower bevel gear and an upper bevel gear are fixedly arranged on the second rotating rod and the first rotating rod respectively, and the upper bevel gear and the lower bevel gear are meshed with each other.

[0014] Furthermore, a limiting slide groove is provided inside the mounting plate, and a slide plate is provided inside the limiting slide groove for limiting sliding. The slide plate is fixedly provided on an outer wall at one end of the screening frame, and a spiral piece is fixedly provided on one side of the outer wall of the second rotating rod, and the spiral piece is in close contact with one end of the slide plate.

[0015] Furthermore, an inclined plate is fixedly provided on the inner wall of the box corresponding to the right side of the support frame, and the inclined plate is arranged above the first screen. The first discharge door, the second discharge door and the third discharge door are respectively provided on the box corresponding to one side of the first screen, the second screen and the guide plate through hinges.

[0016] Beneficial effects of the invention: A Chinese medicinal material slicing screening and grading device of the invention comprises a box body, a discharge port, a support frame, a pushing frame, a screw tube, a fixed box, a servo motor, a screw, a belt transmission mechanism, a first rotating rod, a fixed block, a second rotating rod, a mounting plate, a spiral sheet, a screening frame, a slide plate, a first spring, a guide plate, a first discharge door, a second discharge door, a third discharge door, an inclined plate, an eccentric wheel, a cutter, a slide groove, a second spring, a material dividing groove, a reinforcing rod, a first screen and a second screen.

[0017] 1. The Chinese medicinal material slicing screening and grading equipment can drive the pushing frame to move on the top of the supporting frame through the servo motor, the screw and the screw tube, so that the Chinese medicinal materials can be moved conveniently through the pushing frame. At the same time, the eccentric wheel can be driven to rotate through the pulley mechanism, the screw and the first rotating rod. The eccentric wheel squeezes the cutter, so that the cutter can move back and forth under the action of the eccentric wheel, the slide groove and the second spring, so that the Chinese medicinal materials can be cut conveniently by the cutter. There is no need to move the Chinese medicinal materials by hand, thereby improving the safety of the Chinese medicinal materials slicing process. The Chinese medicinal materials can be separated by the arranged dividing plates and dividing grooves to prevent the Chinese medicinal materials from being squeezed against each other, so that the Chinese medicinal materials are convenient to slice.

[0018] 2. The Chinese medicinal material slice screening and grading equipment can guide the Chinese medicinal material slices to the screening frame through the inclined plate, which can avoid the blockage of the Chinese medicinal material slices and prevent the impact on the sorting efficiency of the Chinese medicinal material slices. The Chinese medicinal material slices can be graded and screened through the first sieve and the second sieve, and finally the sorted Chinese medicinal material slices are discharged through the first discharge door, the second discharge door and the third discharge door.

[0019] 3. The Chinese medicinal material slice screening and grading equipment can drive the spiral piece to rotate through the first rotating rod, the upper bevel gear, the lower bevel gear and the second rotating rod, so as to squeeze and release the slide plate, and the slide plate can drive the screening frame to swing up and down inside the box, so as to facilitate the vibration screening of the Chinese medicinal material slices on the screening frame, and to improve the screening efficiency of the Chinese medicinal material slices; the reinforcing rod can increase the strength of the first screen and the second screen, so as to facilitate the support of the Chinese medicinal material slices. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 This is a structural diagram of a Chinese herbal medicine slice screening and grading device of the present invention;

[0021] Figure 2 It is a front cross-sectional view of a Chinese medicinal material slice screening and grading device of the present invention;

[0022] Figure 3 The invention provides a Chinese medicinal material slice screening and grading device Figure 2 Enlarged view of point A in the middle;

[0023] Figure 4 This is a structural diagram of a driving frame of a Chinese herbal medicine slice screening and grading device of the present invention;

[0024] Figure 5 This is a structural diagram of a vibration mechanism of a Chinese herbal medicine slice screening and grading device of the present invention;

[0025] Figure 6 This is a cutter structure diagram of a Chinese herbal medicine slice screening and grading device of the present invention;

[0026] In the figure: 1. box body; 2. discharge port; 3. support frame; 4. push frame; 5. screw tube; 6. fixed box; 7. servo motor; 8. screw; 9. belt transmission mechanism; 10. first rotating rod; 11. fixed block; 12. second rotating rod; 13. mounting plate; 14. spiral sheet; 15. screening frame; 16. slide plate; 17. first spring; 18. guide plate; 19. first discharge door; 20. second discharge door; 21. third discharge door; 22. inclined plate; 23. eccentric wheel; 24. cutter; 25. slide groove; 26. second spring; 27. material distribution groove; 28. reinforcing rod; 29. ​​first screen; 30. second screen. DETAILED DESCRIPTION

[0027] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further explained below in conjunction with specific implementation methods.

[0028] See also Figures 1 to 6The present invention provides a technical solution: a Chinese medicinal material slicing screening and grading device, comprising a box body 1, a support frame 3 is fixedly arranged inside the top of the box body 1, the shape of the support frame 3 is "U", a pushing mechanism is arranged on the top of the support frame 3, the pushing mechanism comprises a pushing frame 4, the pushing frame 4 is slidably arranged on the top of the support frame 3, a cutting knife 24 is arranged inside one end of the support frame 3 through an adjusting mechanism, the cutting knife 24 is limitedly slidably arranged inside one end of the support frame 3, a vibration mechanism is arranged inside the bottom end of the box body 1, the vibration mechanism comprises a mounting plate 13, the mounting plate 13 is fixedly arranged at the bottom of the support frame 3, a screening frame 15 is limitedly slidably arranged on one side of the mounting plate 13, and the screening frame 1 The shape of 5 is "U"-shaped, and the top and bottom of one side of the screening frame 15 are symmetrically provided with reinforcing rods 28, and the first screen 29 and the second screen 30 are fixedly installed between the reinforcing rods 28 respectively. A guide plate 18 is fixedly provided inside the corresponding box body 1 below the screening frame 15, and a first spring 17 is fixedly provided between the top of the guide plate 18 and the screening frame 15. By moving the pushing mechanism such as the pushing frame 4, it is convenient to move the Chinese medicinal materials, and there is no need to push the Chinese medicinal materials by hand, which can improve the safety of the equipment, and the strength of the first screen 29 and the second screen 30 can be increased by the reinforcing rod 28, which is convenient for screening the Chinese medicinal material slices, and the Chinese medicinal material slices will not be piled up and blocked, which can improve the sorting efficiency of the Chinese medicinal material slices.

[0029] In this embodiment, a discharge port 2 is provided on the top of the box body 1 corresponding to the top of the pushing frame 4, and a material distribution plate is equidistantly provided inside the discharge port 2. A material distribution groove 27 is equidistantly provided inside one end of the pushing frame 4. The pushing frame 4 is in an "L" shape, and a screw tube 5 is fixedly provided at the bottom of the other end of the pushing frame 4. A screw rod 8 is screwed and installed inside the screw tube 5. The screw rod 8 is limited and rotated inside the box body 1. The adjusting mechanism includes a fixed box 6, and the fixed box 6 is fixedly provided on the outer wall of the top end of the box body 1. A servo motor 7 is fixedly installed on the outside of the fixed box 6. The output shaft of the servo motor 7 is fixedly connected to one end of the screw rod 8. The inner side of the support frame 3 corresponds to the box body 1 and the fixed A first rotating rod 10 is rotatably installed inside the box 6, and a belt transmission mechanism 9 is arranged between the first rotating rod 10 and one end of the screw rod 8. The belt transmission mechanism 9 includes a pulley and a belt, and the pulleys are respectively installed at one end of the first rotating rod 10 and the screw rod 8, and the belt is movably installed between the pulleys. By setting a dividing plate and a dividing trough 27, Chinese medicinal materials can be divided to prevent mutual squeezing of Chinese medicinal materials. The servo motor 7, the screw rod 8 and the spiral tube 5 can drive the pushing frame 4 to move, which is convenient for pushing the Chinese medicinal materials to move. At the same time, the first rotating rod 10 is driven to rotate by the screw rod 8 and the belt transmission mechanism 9, and the first rotating rod 10 facilitates the subsequent squeezing operation of the cutter 24, thereby facilitating the slicing of the Chinese medicinal materials.

[0030] The first end of the first rotating rod 10 is fixedly provided with an eccentric wheel 23, and the shape of the cutter 24 is "L"-shaped. A slide groove 25 is opened on the inner wall of the support frame 3, and one end of the cutter 24 is limitedly slidably installed in the inside of the slide groove 25, and a second spring 26 is fixedly provided between one end of the cutter 24 and the top wall of the slide groove 25, and the top of the cutter 24 is a blade, and a fixed block 11 is fixedly provided on the inner top of the box body 1 corresponding to the upper part of the support frame 3, and the fixed block 11 is arranged above the cutter 24, and the bottom end of the cutter 24 is in contact with the top of the eccentric wheel 23. When the first rotating rod 10 drives the eccentric wheel 23 to rotate, it can squeeze the bottom of the cutter 24, so that the cutter 24 moves upward and is inserted into the inside of the dividing groove 27, so as to facilitate slicing of the Chinese medicinal materials, and the cutter 24 can move downward under the action of the slide groove 25 and the second spring 26, and the reciprocating lifting of the cutter 24 facilitates continuous slicing of the Chinese medicinal materials.

[0031] In this embodiment, a second rotating rod 12 is installed for internal rotation corresponding to the bottom end of the box body 1 on one side of the mounting plate 13, and the top end of the second rotating rod 12 is arranged on the inner side of the support frame 3. A lower bevel gear and an upper bevel gear are fixedly arranged on the second rotating rod 12 and the first rotating rod 10, respectively, and the upper bevel gear and the lower bevel gear are meshed with each other. A limited sliding groove is provided inside the mounting plate 13, and a slide plate 16 is provided inside the limited sliding groove for sliding. The slide plate 16 is fixedly arranged on the outer wall of one end of the screening frame 15, and a fixedly arranged outer wall side of the second rotating rod 12 There is a spiral piece 14, which is in close contact with one end of a slide plate 16. The first rotating rod 10 can drive the second rotating rod 12 to rotate through the upper bevel gear and the lower bevel gear. The second rotating rod 12 squeezes the slide plate 16 through the spiral piece 14, thereby driving the slide plate 16 and the screening frame 15 to rise. When the spiral piece 14 is separated from the slide plate 16, the screening frame 15 is reset and vibrated under the pulling force of the first spring 17, thereby facilitating the sorting of Chinese medicinal materials. The screening frame 15 can be limited by the action of the slide plate 16 and the mounting plate 13, thereby improving the stability of the screening frame 15.

[0032] In this embodiment, an inclined plate 22 is fixedly provided on the inner wall of the box body 1 corresponding to the right side of the support frame 3, and the inclined plate 22 is arranged above the first screen 29. The first screen 29, the second screen 30 and the guide plate 18 are respectively provided with a first discharge door 19, a second discharge door 20 and a third discharge door 21 through hinges on one side of the box body 1. The inclined plate 22 can discharge the Chinese medicinal material slices onto the screening frame 15, and the first screen 29 and the second screen 30 can be used to facilitate screening of the Chinese medicinal material slices.

[0033] When the Chinese medicinal material slicing screening and grading equipment is used, the Chinese medicinal materials are placed in the discharge port 2, and the Chinese medicinal materials are dispersed when the dividing plate descends, and the Chinese medicinal materials enter the dividing trough 27, and the servo motor 7 is started. The servo motor 7 drives the screw 8 to rotate, and the screw connection between the screw 8 and the screw tube 5 drives the push frame 4 to move to the right, and the push frame 4 moves the Chinese medicinal materials through the dividing trough 27, so that the Chinese medicinal materials are close to the position of the cutter 24 under the action of the fixed block 11, and there is no need to manually push the Chinese medicinal materials, thereby improving the safety of the equipment. At the same time, the screw 8 drives the first rotating rod 10 to rotate through the belt transmission mechanism 9 such as the belt and the pulley, and the first rotating rod 10 drives the eccentric wheel 23 to rotate, and the eccentric wheel 23 squeezes the cutter 24 so that the blade of the cutter 24 cuts into the inside of the dividing groove 27, which is convenient for slicing the Chinese medicinal materials in the dividing groove 27. The specifications of the fixed block 11 and the dividing groove 27 match each other. The fixed block 11 can enter the inside of the dividing groove 27 and limit the Chinese medicinal materials. With the rotation of the eccentric wheel 23, the cutter 24 is moved in the slide groove 25 and the elastic force of the second spring 26. The cutter 24 moves downward, so that the cutter 24 moves back and forth, which is convenient for continuously slicing the Chinese medicinal materials; the slices of Chinese medicinal materials fall from the top of the support frame 3 and fall onto the screening frame 15 along the inclined plate 22. The first rotating rod 10 can drive the second rotating rod 12 to rotate through the meshing action of the upper bevel gear and the lower bevel gear. The second rotating rod 12 drives the spiral piece 14 to rotate and squeezes the slide plate 16. The slide plate 16 rises inside the limiting slide groove and drives the screening frame 15 to rise. The screening frame 15 stretches the first spring 17. When the spiral piece 14 is separated from the slide plate 16, When the sieving frame 15 and the slide plate 16 move downward under the pulling force of the first spring 17, and can vibrate up and down through the first spring 17, it is convenient to screen the slices of Chinese medicinal materials through the first screen 29 and the second screen 30; by controlling the reverse rotation of the servo motor 7, the pushing frame 4 is driven to move in the opposite direction through the screw 8 and the screw tube 5, so that the pushing frame 4 is reset, and the Chinese medicinal materials continue to enter the interior of the dividing trough 27, and the above-mentioned slicing operation is repeated, and the first discharge door 19, the second discharge door 20 and the third discharge door 21 are opened to discharge the screened Chinese medicinal materials.

[0034] The above shows and describes the basic principles and main features of the present invention and the advantages of the present invention. It is obvious to those skilled in the art that the present invention is not limited to the details of the above exemplary embodiments, and the present invention can be implemented in other specific forms without departing from the spirit or basic features of the present invention. Therefore, no matter from which point of view, the embodiments should be regarded as exemplary and non-restrictive. The scope of the present invention is defined by the attached claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims are included in the present invention. Any figure mark in the claims should not be regarded as limiting the claims involved.

[0035] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. A Chinese herbal medicine slice screening and grading device, comprising a housing (1), characterized in that: A support frame (3) is fixedly arranged inside the top of the box body (1), and the shape of the support frame (3) is "U". A material pushing mechanism is arranged on the top of the support frame (3), and the material pushing mechanism includes a pushing frame (4). The pushing frame (4) is slidably arranged on the top of the support frame (3). A cutter (24) is arranged inside one end of the support frame (3) through an adjustment mechanism, and the cutter (24) is limitedly slidably arranged inside one end of the support frame (3). A vibration mechanism is arranged inside the bottom end of the box body (1), and the vibration mechanism includes a mounting plate (13). The mounting plate ( 13) is fixedly arranged at the bottom of the support frame (3), a screening frame (15) is limitedly slidably arranged on one side of the mounting plate (13), the screening frame (15) is in a "U" shape, reinforcing rods (28) are symmetrically arranged at the top and bottom of one side of the screening frame (15), a first screen (29) and a second screen (30) are respectively fixedly installed between the reinforcing rods (28), a material guide plate (18) is fixedly arranged inside the corresponding box body (1) below the screening frame (15), and a first spring (17) is fixedly arranged between the top of the material guide plate (18) and the screening frame (15).

2. The Chinese herbal medicine slice screening and grading device according to claim 1, characterized in that: A discharge port (2) is provided at the top of the box body (1) corresponding to the top of the pushing frame (4), and material distribution plates are arranged equidistantly inside the discharge port (2), and a material distribution trough (27) is arranged equidistantly inside one end of the pushing frame (4).

3. The Chinese herbal medicine slice screening and grading device according to claim 2, characterized in that: The push frame (4) is in an "L" shape. A screw tube (5) is fixedly provided at the bottom of the other end of the push frame (4). A screw rod (8) is screwedly installed inside the screw tube (5). The screw rod (8) is installed inside the box body (1) in a limited rotation manner.

4. The Chinese herbal medicine slice screening and grading device according to claim 3, characterized in that: The adjustment mechanism comprises a fixed box (6), the fixed box (6) is fixedly arranged on the outer wall of the top end of the box body (1), a servo motor (7) is fixedly installed on the outer side of the fixed box (6), and the output shaft of the servo motor (7) is fixedly connected to one end of the screw rod (8).

5. The Chinese herbal medicine slice screening and grading device according to claim 4, characterized in that: A first rotating rod (10) is rotatably mounted on the inner side of the support frame (3) corresponding to the box body (1) and the fixed box (6); a belt transmission mechanism (9) is arranged between the first rotating rod (10) and one end of the screw rod (8); the belt transmission mechanism (9) comprises a pulley and a belt; the pulleys are respectively mounted on one end of the first rotating rod (10) and the screw rod (8); and the belt is movably mounted between the pulleys.

6. The Chinese herbal medicine slice screening and grading device according to claim 5, characterized in that: An eccentric wheel (23) is fixedly arranged at the other end of the first rotating rod (10); the cutter (24) is in an "L" shape; a slide groove (25) is provided on the inner wall of the support frame (3); one end of the cutter (24) is limitedly slidably installed inside the slide groove (25); and a second spring (26) is fixedly arranged between one end of the cutter (24) and the top wall of the slide groove (25).

7. The Chinese herbal medicine slice screening and grading device according to claim 6, characterized in that: The top end of the cutter (24) is a blade, and a fixing block (11) is fixedly arranged above the inner top of the box body (1) corresponding to the support frame (3), and the fixing block (11) is arranged above the cutter (24), and the bottom end of the cutter (24) is in close contact with the top of the eccentric wheel (23).

8. The Chinese herbal medicine slice screening and grading device according to claim 5, characterized in that: A second rotating rod (12) is rotatably mounted on one side of the mounting plate (13) corresponding to the bottom end of the box body (1); the top end of the second rotating rod (12) is arranged on the inner side of the support frame (3); a lower bevel gear and an upper bevel gear are fixedly mounted on the second rotating rod (12) and the first rotating rod (10), respectively; the upper bevel gear and the lower bevel gear are meshed with each other.

9. The Chinese herbal medicine slice screening and grading device according to claim 8, characterized in that: A limiting slide groove is provided inside the mounting plate (13), and a slide plate (16) is provided inside the limiting slide groove for limiting sliding. The slide plate (16) is fixedly arranged on an outer wall at one end of the screening frame (15). A spiral piece (14) is fixedly arranged on one side of the outer wall of the second rotating rod (12), and the spiral piece (14) is in close contact with one end of the slide plate (16).

10. The Chinese herbal medicine slice screening and grading device according to claim 1, characterized in that: An inclined plate (22) is fixedly arranged on the inner wall of the box body (1) corresponding to the right side of the support frame (3), and the inclined plate (22) is arranged above the first screen (29), and a first discharge door (19), a second discharge door (20) and a third discharge door (21) are respectively arranged on the box body (1) corresponding to one side of the first screen (29), the second screen (30) and the guide plate (18) through hinges.

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