High-speed shearing machine

Abstract

The invention discloses a high-speed shearing machine which comprises a base, a high-speed shearing mechanism, a cooling mechanism and a driving mechanism, and the high-speed shearing mechanism, the cooling mechanism and the driving mechanism are arranged on the base; the high-speed shearing mechanism comprises a shearing cylinder body, a shearing assembly and a transmission shaft, the shearing cylinder body comprises an outer cylinder body and an inner cylinder body, the transmission shaft and the inner cylinder body are coaxially arranged, and the shearing assembly comprises a first shearing part, a second shearing part and a third shearing part which are used for shearing particles; the sizes of particles sheared by the first shearing part, the second shearing part and the third shearing part are sequentially reduced, all the particles are connected with the transmission shaft and are sequentially arranged at intervals in the length direction of the transmission shaft, a feeding opening and a discharging channel are formed in the outer barrel, and the outer barrel and the inner barrel are arranged at intervals to form a cooling flow channel; the cooling mechanism communicates with the cooling flow channel and is used for injecting circulating cooling liquid into the cooling flow channel; the driving mechanism is connected with the transmission shaft and drives the transmission shaft to rotate at high speed.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of fluid mixing, in particular to a high-speed shearing machine. BACKGROUND

[0002] The high-speed shearing machine is widely used in the fields of fluid mixing and chemical catalysis. The existing high-speed shearing machine uses the shearing, cavitation and mechanical impact effect generated by the relative motion of the rotor and the stator at high speed to achieve the effect of crushing and emulsification. However, the shearing effect generated by the shearing teeth is the main action, and the cavitation effect is weak.

[0003] If the existing high-speed shearing machine is used in the field of solid-liquid fluid homogenization mixing, the shearing teeth are used to break large particles, and the particles can be broken to 25-50 microns in size. However, when biological pharmaceuticals are used, the particle size of 25-50 microns is difficult to meet the homogenization effect of the pharmaceutical liquid, and reducing the particle size will cause the following problems: 1. When high-speed mixing and shearing biological pharmaceuticals, the particle size of the pharmaceuticals needs to be controlled at about 5 microns. The existing impeller used to break particles is difficult to break the particles to the required size at one time. 2. When high-speed mixing and shearing, a large amount of heat is generated inside the equipment. In order to ensure that the pharmaceuticals after high-speed shearing can be quickly discharged, the pharmaceuticals need to be quickly cooled. SUMMARY

[0004] The present application provides a high-speed shearing machine to solve the technical problems of how to control the size of the particles of the pharmaceuticals and quickly cool the sheared pharmaceuticals.

[0005] The application provides a high-speed shearing machine, which comprises a base, a high-speed shearing mechanism, a cooling mechanism and a driving mechanism, wherein the high-speed shearing mechanism, the cooling mechanism and the driving mechanism are arranged on the base; the high-speed shearing mechanism comprises a shearing cylinder, a shearing assembly and a transmission shaft, the shearing cylinder comprises an outer cylinder and an inner cylinder, the transmission shaft is coaxially arranged with the inner cylinder, the shearing assembly comprises a first shearing piece, a second shearing piece and a third shearing piece for shearing particles, the first shearing piece, the second shearing piece and the third shearing piece are sequentially arranged in the length direction of the transmission shaft and are connected with the transmission shaft, the first shearing piece, the outer cylinder and the inner cylinder form a first working chamber, the first shearing piece, the second shearing piece and the inner cylinder form a second working chamber, the second shearing piece, the third shearing piece and the inner cylinder form a third working chamber, the outer cylinder is provided with an inlet communicated with the first working chamber, the outer cylinder is provided with an outlet communicated with the third working chamber, and the shearing cylinder is provided with a cooling flow channel close to the outlet; the cooling mechanism is communicated with the cooling flow channel and is used for injecting circulating cooling liquid into the cooling flow channel; and the driving mechanism is connected with the transmission shaft and is used for driving the transmission shaft to rotate at high speed.

[0006] Further, the first shearing piece comprises a first shearing upper ring and a first shearing lower ring, the first shearing upper ring is connected with the inner cylinder, the first shearing lower ring is connected with the transmission shaft, the first shearing upper ring is provided with a plurality of first upper shearing teeth arranged in a circumferential direction, the second shearing ring is provided with a plurality of first lower shearing teeth arranged in a circumferential direction, the first upper shearing teeth are in clearance fit with the first lower shearing teeth and form a first gap in the radial direction.

[0007] Further, the second shearing piece comprises a second shearing upper ring and a second shearing lower ring, the second shearing upper ring is connected with the inner cylinder, the second shearing lower ring is connected with the transmission shaft, the second shearing ring is provided with a plurality of second upper shearing teeth arranged in a circumferential direction, the second shearing ring is provided with a plurality of second lower shearing teeth arranged in a circumferential direction, the second upper shearing teeth are in clearance fit with the second lower shearing teeth and form a second gap in the radial direction, the second gap is smaller than the first gap, the second upper shearing teeth are arranged in multiple turns in the radial direction, the second lower shearing teeth are arranged in multiple turns in the radial direction, and the number of turns of the second upper shearing teeth corresponds to the number of turns of the second lower shearing teeth.

[0008] Further, the third shearing piece comprises a third shearing upper ring and a third shearing lower ring, the third shearing upper ring is connected with the inner cylinder, the third shearing lower ring is connected with the transmission shaft, a plurality of third upper shearing teeth are arranged on the third shearing ring in a circumferential arrangement, a plurality of third lower shearing teeth are arranged on the third shearing ring in a circumferential arrangement, the third upper shearing teeth are in clearance fit with the second lower shearing teeth and form a third gap in the radial direction, the third gap is smaller than the second gap, the third upper shearing teeth are arranged in multiple turns in the radial direction, the third lower shearing teeth are arranged in multiple turns in the radial direction, and the number of turns of the third upper shearing teeth corresponds to the number of turns of the third lower shearing teeth. The number of turns of the first upper shearing teeth, the second upper shearing teeth and the third upper shearing teeth increases in turn.

[0009] Further, a support sleeve is arranged in the shearing cylinder, the transmission shaft is arranged on the support sleeve, and a rolling bearing is arranged between the transmission shaft and the support sleeve.

[0010] Further, a support is arranged on the base, the cooling mechanism comprises a water storage tank, a water inlet pipe, a water outlet pipe and a cooling water pipe, the water storage tank is arranged on the support, the cooling water pipe is in communication with the water storage tank and is used for injecting cooling liquid into the water storage tank, the water inlet pipe is used for injecting the cooling liquid in the water storage tank into the cooling flow channel, and the water outlet pipe is used for recycling the cooling liquid in the cooling flow channel into the water storage tank.

[0011] Further, the cooling mechanism further comprises a pressure pump and a pressure gauge, the pressure pump is arranged in the water storage tank to provide power for the flow of the cooling liquid, and the pressure gauge is used for measuring the flow pressure of the cooling liquid.

[0012] Further, a drain valve is further arranged on the water storage tank.

[0013] Further, the driving mechanism comprises a high-speed motor and a connecting shaft, the output shaft of the high-speed motor is connected with the first end of the connecting shaft, and the second end of the connecting shaft is connected with the transmission shaft.

[0014] Further, a plurality of casters are arranged at the bottom of the base to facilitate the movement of the base.

[0015] The high-speed shearing machine has the following beneficial effects: in the high-speed shearing machine, the high-speed shearing mechanism is arranged to perform layered and multiple filtering and shearing on the medicinal granules, so that the size of the sheared medicinal granules meets the use requirements, and the cooling mechanism is arranged to cool the medicinal liquid after high-speed mixing and shearing, so as to ensure the output efficiency of the medicinal liquid.

[0016] In specific implementation, the liquid medicine to be processed is first injected into the shearing cylinder through the feeding port, and at the same time, the cooling mechanism and the driving mechanism are started, the driving mechanism drives the transmission shaft to rotate at high speed, and the transmission shaft in turn drives the shearing assembly to rotate at high speed. Specifically, the liquid medicine first enters the first working chamber and is subjected to first large-particle crushing under the centrifugal shearing of the first shearing piece. The crushed medicine particles pass through the block of the first shearing piece and enter the second working chamber. The medicine particles subjected to initial shearing and crushing are subjected to second shearing and crushing under the left and right of the second shearing piece, so that the medicine particles are further reduced in size. The further reduced medicine particles in turn pass through the block of the second shearing piece and enter the third working chamber. The medicine particles are further crushed in the third working chamber under the work of the third shearing piece, so that the medicine particles meet the production requirements in size. In the process of shearing the medicine particles, the medicine is cooled and cooled at the same time. Specifically, the cooling liquid enters the cooling flow channel of the shearing cylinder, and carries away a large amount of heat generated by the crushing of the medicine particles, so as to ensure the rapid cooling of the medicine particles and improve the production efficiency of the medicine.

[0017] In addition to the purposes, features and advantages described above, the present application has other purposes, features and advantages. The present application will be further described below with reference to the drawings. BRIEF DESCRIPTION OF DRAWINGS

[0018] The accompanying drawings, which form a part of this application, are included to provide a further understanding of the application, illustrate the preferred embodiments of the application and aid in explaining the application. In the drawings: Fig. 1 is a structural schematic view of the high-speed shearing machine of the preferred embodiment of the present application; Fig. 2 is a structural schematic view of the shearing assembly of the preferred embodiment of the present application; Fig. 3 is a structural schematic view of the second shearing upper ring of the preferred embodiment of the present application.

[0019] Legend: 100, base; 101, caster wheels; 102, support; 200, shearing cylinder; 201, outer cylinder; 202, inner cylinder; 203, cooling channel; 204, support sleeve; 205, rolling bearing; 206, feeding port; 207, discharging channel; 300, high-speed motor; 301, connecting shaft; 302, transmission shaft; 400, first shearing member; 401, first shearing upper ring; 402, first upper shearing tooth; 403, first shearing lower ring; 404, first lower shearing tooth; 405, first working chamber; 500, second shearing member; 501, second shearing upper ring; 502, second upper shearing tooth; 503, second shearing lower ring; 504, second lower shearing tooth; 505, second working chamber; 600, third shearing member; 601, third shearing upper ring; 602, third upper shearing tooth; 603, third shearing lower ring; 604, third lower shearing tooth; 605, third working chamber; 700, water storage tank; 701, water inlet pipe; 702, water outlet pipe; 703, cooling water pipe; 704, drain valve; 705, pressure gauge. DETAILED DESCRIPTION

[0020] The embodiments of the present application will be described in detail below with reference to the drawings, but the present application can be implemented in various different ways as defined and covered by the following.

[0021] As Figs. 1-2The application discloses a high-speed shearing machine which comprises a base 100, a high-speed shearing mechanism, a cooling mechanism and a driving mechanism, wherein the high-speed shearing mechanism, the cooling mechanism and the driving mechanism are arranged on the base 100; the high-speed shearing mechanism comprises a shearing cylinder 200, a shearing assembly and a transmission shaft 302; the shearing cylinder 200 comprises an outer cylinder 201 and an inner cylinder 202; the transmission shaft 302 is coaxially arranged with the inner cylinder 202; the shearing assembly comprises a first shearing piece 400, a second shearing piece 500 and a third shearing piece 600 which are used for shearing particles; the sizes of the particles sheared by the first shearing piece 400, the second shearing piece 500 and the third shearing piece 600 are sequentially reduced; the first shearing piece 400, the second shearing piece 500 and the third shearing piece 600 are connected with the transmission shaft 302 and are sequentially and spacedly arranged along the length direction of the transmission shaft 302; the first shearing piece 400, the outer cylinder 201 and the inner cylinder 202 enclose a first working chamber 405; the first shearing piece 400, the second shearing piece 500 and the inner cylinder 202 enclose a second working chamber 505; the second shearing piece 500, the third shearing piece 600 and the inner cylinder 202 enclose a third working chamber 605; a feeding port 206 which is in communication with the first working chamber 405 is formed in the outer cylinder 201; a discharging passage 207 which is in communication with the third working chamber 605 is formed in the outer cylinder 201; a cooling flow channel 203 which is close to the discharging passage 207 is arranged on the shearing cylinder 200; the cooling mechanism is in communication with the cooling flow channel 203 and is used for injecting circulating cooling liquid into the cooling flow channel 203; and the driving mechanism is connected with the transmission shaft 302 and is used for driving the transmission shaft 302 to rotate at high speed.

[0022] In the embodiment, the high-speed shearing mechanism is arranged to perform layered and multiple filtering shearing on the medicament particles, so that the sizes of the sheared medicament particles meet the use requirements; meanwhile, the cooling mechanism is arranged to cool the high-speed mixed and sheared medicinal liquid, so that the output efficiency of the medicinal liquid is ensured.

[0023] In implementation, the liquid medicine to be processed is injected into the shearing cylinder 200 through the feed port 206, and at the same time, the cooling mechanism and the driving mechanism are started, the driving mechanism drives the transmission shaft 302 to rotate at high speed, and the transmission shaft 302 in turn drives the shearing assembly to rotate at high speed. Specifically, the liquid medicine first enters the first working chamber 405, and is subjected to the first large-particle crushing under the centrifugal shearing of the first shearing member 400 rotating at high speed. The crushed medicine particles pass through the block of the first shearing member 400 and enter the second working chamber 505. The medicine particles crushed for the first time are subjected to the second shearing crushing under the left and right of the second shearing member 500, so that the medicine particles are further reduced in size. The further reduced medicine particles in turn pass through the block of the second shearing member 500 and enter the third working chamber 605. The medicine particles are further crushed in the third working chamber 605 under the work of the third shearing member 600, so that the size of the medicine particles meets the production requirements. In the process of shearing the medicine particles, the medicine is cooled and cooled at the same time. Specifically, the cooling liquid enters the cooling flow channel 203 of the shearing cylinder 200, and carries away a large amount of heat generated by the crushing of the medicine particles, so as to ensure the rapid cooling of the medicine particles and improve the production efficiency of the medicine.

[0024] Further, the first shearing member 400 includes a first shearing upper ring 401 and a first shearing lower ring 403. The first shearing upper ring 401 is connected with the inner cylinder 202, and the first shearing lower ring 403 is connected with the transmission shaft 302. A plurality of first upper shearing teeth 402 are arranged on the first shearing upper ring 401 in a circumferential direction. A plurality of first lower shearing teeth 404 are arranged on the first shearing lower ring 403 in a circumferential direction. The first shearing teeth and the second shearing teeth are gap-fitted and form a first gap in the radial direction. The number of turns of the first upper shearing teeth 402 is 1-2 turns.

[0025] In the embodiment, the first shearing upper ring 401 and the first shearing lower ring 403 are ring-shaped members matched with each other. The first upper shearing teeth 402 arranged on the first shearing upper ring 401 and the first lower shearing teeth 404 arranged on the first shearing lower ring 403 can crush the medicine particles under the action of centrifugal force. When the size of the crushed medicine particles is smaller than the first gap, the medicine particles can pass through the first gap and enter the second working chamber 505. Specifically, the first gap is usually arranged between 25 microns and 30 microns. In order to improve the shearing effect, the first upper shearing teeth 402 and the second upper shearing teeth 502 can be arranged in multiple groups in the radial direction.

[0026] Reference Fig. 3The second shearing part 500 comprises a second shearing upper ring 501 and a second shearing lower ring 503, the second shearing upper ring 501 is connected with the inner cylinder 202, the second shearing lower ring 503 is connected with the transmission shaft 302, a plurality of second upper shearing teeth 502 are arranged on the second shearing upper ring 501 in a circumferential arrangement, a plurality of second lower shearing teeth 504 are arranged on the second shearing lower ring 503 in a circumferential arrangement, the second upper shearing teeth 502 and the second lower shearing teeth 504 are gap-fitted and form a second gap in the radial direction, the second gap is smaller than the first gap, the second upper shearing teeth 502 are arranged in multiple turns in the radial direction, the second lower shearing teeth 504 are arranged in multiple turns in the radial direction, the number of turns of the second upper shearing teeth 502 corresponds to the number of turns of the second lower shearing teeth 504, and the number of turns of the second upper shearing teeth 502 is 2-3 turns.

[0027] In the embodiment, the second shearing upper ring 501 and the second shearing lower ring 503 are ring-shaped parts that are matched with each other, the second shearing upper ring 501 is rotationally connected with the inner cylinder 202, specifically through a T-shaped ring groove on the inner cylinder 202 and a T-shaped ring block on the outer periphery of the second shearing upper ring 501, and the second shearing lower ring 503 is clamped with the transmission shaft 302 through a spline, so as to ensure that the second shearing lower ring 503 rotates at a high speed with the transmission shaft 302. In the specific working process, the medicament particles after initial crushing and shearing pass through the first gap into the second working chamber 505, at this time, the medicament particles are sheared and crushed by the second upper shearing teeth 502 and the second lower shearing teeth 504, so that the medicament in the second working chamber 505 can pass through the second gap. Specifically, the first gap is usually arranged to be between 10 microns and 15 microns.

[0028] Further, the third shearing part 600 comprises a third shearing upper ring 601 and a third shearing lower ring 603, the third shearing upper ring 601 is connected with the inner cylinder 202, the third shearing lower ring 603 is connected with the transmission shaft 302, a plurality of third upper shearing teeth 602 are arranged on the third shearing upper ring 601 in a circumferential arrangement, a plurality of third lower shearing teeth 604 are arranged on the third shearing lower ring 603 in a circumferential arrangement, the third upper shearing teeth 602 and the third lower shearing teeth 604 are gap-fitted and form a third gap in the radial direction, the third gap is smaller than the second gap, the third upper shearing teeth 602 are arranged in multiple turns in the radial direction, the third lower shearing teeth 604 are arranged in multiple turns in the radial direction, the number of turns of the third upper shearing teeth 602 corresponds to the number of turns of the third lower shearing teeth 604, and the number of turns of the third upper shearing teeth 602 is 3-5 turns.

[0029] In the embodiment, the third upper shear ring 601 and the third lower shear ring 603 are matched annular members, the third upper shear ring 601 is rotationally connected with the inner cylinder 202, and specifically, the third upper shear ring 601 is matched with a T-shaped ring groove on the inner cylinder 202 and a T-shaped ring block on the outer periphery of the third upper shear ring 601, the third lower shear ring 603 is clamped with the transmission shaft 302 through a spline, so as to ensure that the third lower shear ring 603 rotates at a high speed with the transmission shaft 302, and specifically, the medicine particles after initial crushing and shearing enter the third working chamber 605 through the first gap, at this time, the medicine particles are sheared by the third upper shear teeth 602 and the third lower shear teeth 604, so that the medicine particles in the third working chamber 605 can pass through the third gap, and specifically, the first gap is usually set to be between 3 microns and 5 microns.

[0030] Further, the shearing cylinder 200 is provided with a support sleeve 204, the transmission shaft 302 is sleeved on the support sleeve 204, and a rolling bearing 205 is arranged between the transmission shaft 302 and the support sleeve 204.

[0031] In the embodiment, the support sleeve 204 is used for supporting and installing the transmission shaft 302, and at the same time, in order to ensure that the transmission shaft 302 is not affected during rotation, the rolling bearing 205 is arranged between the transmission shaft 302 and the support sleeve 204.

[0032] Further, the base 100 is provided with a support 102, the cooling mechanism includes a water storage tank 700, a water inlet pipe 701, a water outlet pipe 702 and a cooling water pipe 703, the water storage tank 700 is arranged on the support 102, the cooling water pipe 703 is communicated with the water storage tank 700 and is used for injecting cooling liquid into the water storage tank 700, the water inlet pipe 701 is used for injecting the cooling liquid in the water storage tank 700 into the cooling flow channel 203, and the water outlet pipe 702 is used for recycling the cooling liquid in the cooling flow channel 203 into the water storage tank 700.

[0033] In the embodiment, the cooling mechanism injects external cooling liquid into the water storage tank 700 through the cooling water pipe 703, in order to ensure the cooling effect, the temperature of the cooling liquid is usually set to be-10 degrees Celsius, and during work, the cooling liquid enters the cooling flow channel 203 through the water inlet pipe 701, and flows out from the cooling flow channel 203 into the water storage tank 700 through the water outlet pipe 702 after circulation.

[0034] Further, the cooling mechanism further comprises a pressure pump and a pressure gauge 705, the pressure pump is arranged in the water tank 700 to provide power for the flow of the cooling liquid, and the pressure gauge 705 is used to measure the flow pressure of the cooling liquid. In this embodiment, in order to ensure the smooth flow of the cooling liquid, the pressure pump is arranged to push the cooling liquid to flow, so that the cooling liquid can continuously flow into the cooling flow channel 203 to cool the first working chamber 405, the second working chamber 505 and the third working chamber 605 when working, and the pressure gauge 705 is arranged to detect the pressure in the water tank 700 to ensure that the pressure is sufficient. In another embodiment, a pressure increasing valve is arranged on the water tank 700, the inside of the water tank 700 is pressurized by introducing inert gas into the pressure increasing valve, so as to ensure the pressure of the liquid flow, at this time the pressure gauge 705 is a gas pressure gauge, the value of the gas pressure in the tank is ensured to be up to standard by observing the gas pressure gauge, and when the gas pressure is lower than the normal working pressure, the gas needs to be supplemented in time.

[0035] Further, the water tank 700 is further provided with a drain valve 704. In this embodiment, the drain valve 704 can empty the cooling liquid in the water tank 700, so as to facilitate the cleaning and maintenance of the water tank 700.

[0036] Further, the driving mechanism comprises a high-speed motor 300 and a connecting shaft 301, the output shaft of the high-speed motor 300 is connected with the first end of the connecting shaft 301, and the second end of the connecting shaft 301 is connected with the transmission shaft 302. In this embodiment, the high-speed motor 300 is a three-phase alternating current motor, which is connected with the transmission shaft 302 through the connecting shaft 301 to provide power for the high-speed rotation of the transmission shaft 302.

[0037] Further, the base 100 is provided at the bottom with casters 101 for facilitating the movement of the base 100. In this embodiment, the casters 101 are arranged to facilitate the movement of the base 100.

[0038] The above only describes the preferred embodiments of the present application and is not used to limit the present application. For those skilled in the art, the present application can have various modifications and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application shall be included in the protection scope of the present application.

Claims

1. A high-speed shearing machine, characterized in that: include: A base (100), wherein the base (100) is provided with a high-speed shearing mechanism, a cooling mechanism, and a driving mechanism; A high-speed shearing mechanism, comprising a shearing cylinder (200), a shearing assembly and a transmission shaft (302), wherein the shearing cylinder (200) comprises an outer cylinder (201) and an inner cylinder (202), wherein the transmission shaft (302) is coaxially arranged with the inner cylinder (202), and wherein the shearing assembly comprises a first shearing piece (400), a second shearing piece (500) and a third shearing piece (600) for shearing particles, wherein the sizes of the particles sheared by the first shearing piece (400), the second shearing piece (500) and the third shearing piece (600) are successively reduced and are all connected to the transmission shaft (302), and are sequentially spaced along the length direction of the transmission shaft (302). 01) and the inner cylinder (202) enclose a first working chamber (405), the first shearing piece (400), the second shearing piece (500) and the inner cylinder (202) enclose a second working chamber (505), the second shearing piece (500), the third shearing piece (600) and the inner cylinder (202) enclose a third working chamber (605), the outer cylinder (201) is provided with a feed port (206) communicating with the first working chamber (405), the outer cylinder (201) is provided with a discharge channel (207) communicating with the third working chamber (605), and the shearing cylinder (200) is provided with a cooling channel (203) close to the discharge channel (207); a cooling mechanism, the cooling mechanism being in communication with the cooling channel (203) and being used for injecting circulating coolant into the cooling channel (203); A driving mechanism is connected to the transmission shaft (302) and is used to drive the transmission shaft (302) to rotate at high speed.

2. The high-speed shearing machine according to claim 1, characterized in that The first shearing member (400) includes a first shearing upper ring (401) and a first shearing lower ring (403), wherein the first shearing upper ring (401) is connected to the inner cylinder (202), and the first shearing lower ring (403) is connected to the transmission shaft (302), and the first shearing upper ring (401) is provided with a plurality of first upper shearing teeth (402) arranged in a circumferential direction, and the first shearing lower ring (403) is provided with a plurality of first lower shearing teeth (404) arranged in a circumferential direction, and the first upper shearing teeth (402) and the first lower shearing teeth (404) are clearance-matched and form a first clearance in the radial direction.

3. The high-speed shearing machine according to claim 2, characterized in that The second shearing piece (500) includes a second shearing upper ring (501) and a second shearing lower ring (503), the second shearing upper ring (501) is connected to the inner cylinder (202), the second shearing lower ring (503) is connected to the transmission shaft (302), a plurality of second upper shearing teeth (502) arranged in a circumferential direction are provided on the second shearing upper ring (501), a plurality of second lower shearing teeth (504) arranged in a circumferential direction are provided on the second shearing lower ring (503), the second upper shearing teeth (502) and the second lower shearing teeth (504) are clearance-matched and form a second gap in the radial direction, the second gap is smaller than the first gap, the second upper shearing teeth (502) are arranged in multiple circles in the radial direction, the second lower shearing teeth (504) are arranged in multiple circles in the radial direction, and the number of circles of the second upper shearing teeth (502) corresponds to the number of circles of the second lower shearing teeth (504).

4. The high-speed shearing machine according to claim 3, characterized in that The third shearing member (600) comprises a third shearing upper ring (601) and a third shearing lower ring (603), wherein the third shearing upper ring (601) is connected to the inner cylinder (202), and the third shearing lower ring (603) is connected to the transmission shaft (302), and the third shearing upper ring (601) is provided with a plurality of third upper shearing teeth (602) arranged in a circumferential direction, and the third shearing lower ring (603) is provided with a plurality of third lower shearing teeth (604) arranged in a circumferential direction, and the third upper shearing teeth (602) and the third lower shearing teeth (604) are clearance-matched and form a third gap in the radial direction, and the third gap is smaller than the second gap, and the third upper shearing teeth (602) are arranged in multiple circles in the radial direction, and the third lower shearing teeth (604) are arranged in multiple circles in the radial direction, and the number of circles of the third upper shearing teeth (602) corresponds to the number of circles of the third lower shearing teeth (604); The number of turns of the first upper shearing teeth (402), the second upper shearing teeth (502) and the third upper shearing teeth (602) increases sequentially.

5. The high-speed shearing machine according to claim 1, characterized in that A support sleeve (204) is provided in the shearing cylinder (200), the transmission shaft (302) is sleeved on the support sleeve (204), and a rolling bearing (205) is provided between the transmission shaft (302) and the support sleeve (204).

6. The high-speed shearing machine according to claim 1, characterized in that A bracket (102) is provided on the base (100), and the cooling mechanism comprises a water storage tank body (700), a water inlet pipe (701), a water outlet pipe (702) and a cooling water pipe (703). The water storage tank body (700) is provided on the bracket (102), the cooling water pipe (703) is communicated with the water storage tank body (700) and is used to inject cooling liquid into the water storage tank body (700), the water inlet pipe (701) is used to inject the cooling liquid in the water storage tank body (700) into the cooling flow channel (203), and the water outlet pipe (702) is used to recover the cooling liquid in the cooling flow channel (203) into the water storage tank body (700).

7. The high-speed shearing machine according to claim 6, characterized in that The cooling mechanism further comprises a pressure pump and a pressure gauge (705). The pressure pump is arranged in the water storage tank (700) to provide power for the flow of the cooling liquid, and the pressure gauge (705) is used to measure the flow channel pressure of the cooling liquid.

8. The high-speed shearing machine according to claim 7, characterized in that The water storage tank body (700) is also provided with a drainage valve (704).

9. The high-speed shearing machine according to claim 1, characterized in that The driving mechanism comprises a high-speed motor (300) and a connecting shaft (301), wherein the output shaft of the high-speed motor (300) is connected to a first end of the connecting shaft (301), and the second end of the connecting shaft (301) is connected to the transmission shaft (302).

10. The high-speed shearing machine according to any one of claims 1 to 9, characterized in that: The bottom of the base (100) is provided with casters (101) for facilitating the movement of the base (100).

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