Silicon nitride ceramic tube cutting device
By designing a silicon nitride ceramic tube cutting device, the use of rotary motors, belt transmission and clamping devices to ensure stable cutting of ceramic tubes, solving the problem of unstable movement during the cutting of ceramic tubes, achieving safe and efficient cutting and automatic collection, improving Cutting quality and safety.
Patent Information
- Application Number
- CN202411458781.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-18
- Publication Date
- 2025-01-03
AI Technical Summary
Ceramic tubes are prone to sudden movement during the cutting process, causing injuries to the operator and the cutting tool to deviate from the expected path, and may cause accidents, and unstable cutting lead to unexpected movement or distortion, resulting in cutting errors.
A silicon nitride ceramic tube cutting device is designed, including feeding device, cutting device and collection device. The ceramic tube is ensured to move stably during the cutting process through a rotating electric machine, belt drive, roller and clamping device, and passes through an electric push rod. And blades are cut and clean, and the springs are set to limit the blade movement distance to ensure cutting quality.
Effectively prevent the sudden movement of the ceramic tube, ensure cutting along the expected path, avoid cutting errors and dust pollution, realize automatic movement and collection, and improve cutting efficiency and safety.
Smart Images
Figure CN119238753A_ABST
Abstract
Description
Technical Field
[0001] The invention relates to the technical field of industrial manufacturing, in particular to a silicon nitride ceramic tube cutting device. Background Art
[0002] Cutting method: Ceramic tube cutting requires special methods because ceramic materials are usually hard and brittle. Common cutting methods include mechanical cutting, grinding cutting, laser cutting, etc. Each method has its applicable scenarios and characteristics and needs to be selected according to specific circumstances.
[0003] The patent with patent announcement number CN217047016U discloses a cutting device for silicon nitride ceramic tube production, which belongs to the technical field of cutting equipment, including a base, a top plate is installed on one side of the top of the base, a branch pipe is installed on one side of the top plate, the inner cavity of the branch pipe is slidably connected with a telescopic plate, one end of the telescopic plate passes through the branch pipe and extends to the outside of the branch pipe, an automatic telescopic rod is installed on the top of the branch pipe, a fixed box is installed on the movable end of the automatic telescopic rod, and the bottom of the fixed box is connected to the top of the telescopic plate; through the arrangement of the automatic telescopic rod, the fixed box, the driving motor, the rotating box and the cutting mechanism, the cutting mechanism is moved to the position where the inner cavity of the large ceramic tube needs to be cut through the automatic telescopic rod, and then the large ceramic tube can be cut through the inner cavity of the large ceramic tube through the driving motor and the cutting mechanism, thereby ensuring the integrity of the incision of the large ceramic tube and improving the cutting efficiency of the large ceramic tube.
[0004] In the above patent, the integrity of the incision of the large ceramic tube is ensured, and the cutting efficiency of the large ceramic tube is improved. However, there are the following problems: if the ceramic tube is not clamped, it may cause the ceramic tube to move suddenly and cause injury to the operator, which in turn causes the cutting tool to deviate from the expected path or cause dangerous operating accidents. At the same time, the ceramic tube does not move along the expected path, which may cause it to move or twist unexpectedly during the cutting process, resulting in cutting errors. Summary of the invention
[0005] In view of the deficiencies in the prior art, the present invention provides a silicon nitride ceramic tube cutting device, which solves the problems raised in the above background technology.
[0006] To achieve the above objectives, the present invention is implemented through the following technical solutions: a silicon nitride ceramic tube cutting device, including a machine base and a collection box, the surface of the machine base is provided with slots, a rotating motor is arranged inside the machine base, a frame is fixedly installed on the top of the machine base, a groove is arranged on the top of the frame, the collection box is arranged inside the machine base, and a feeding device, a cutting device and a collecting device are arranged on the top of the machine base; wherein the feeding device includes a base, a bracket, a feed shaft, a guide wheel, a support frame, a movable rod and a fixed wheel, the base is fixedly installed on the top of the machine base, and the bracket is fixedly installed on the A rotating motor is arranged on the left side of the bracket at the top of the machine base, the feeding shaft is rotatably installed at the output end of the rotating motor, the feeding shaft is rotatably installed on the inner wall of the base, the guide wheel is rotatably installed on the inner wall of the bracket, the support frame is fixedly installed on the top of the machine base, the movable rod is rotatably installed on the outer side of the support frame, the fixed wheel is rotatably installed on the inner wall of the movable rod, and the ceramic tube is placed in the groove of the frame after determining the size to be cut. At this time, the ceramic tube is in contact with the feeding shaft and the guide wheel. The movable rod is manually moved toward the direction of the ceramic tube, and the movement of the movable rod drives the fixed wheel to move, thereby clamping the ceramic tube.
[0007] According to the above technical solution, the base is in contact with the feeding shaft, and a handle is provided on the top of the movable rod.
[0008] According to the above technical scheme, the cutting device includes a frame plate, a rotating roller, roller one, roller two, an electric push rod, a fixed frame, a rotating frame, a blade and a No. 1 spring. The frame plate is fixedly installed on the top of the frame, the rotating roller is rotatably installed on the inner wall of the frame, the roller one is fixedly installed on the circumferential surface of the rotating roller, the roller two is rotatably installed on the inner wall of the frame, the fixed end of the electric push rod is fixedly installed on the bottom of the frame plate, the fixed frame is fixedly installed on the top of the base, the rotating frame is rotatably installed on the outside of the fixed frame, a rotating motor is provided at the bottom of the rotating frame, the blade is fixedly installed on the output end of the rotating motor, and the No. 1 spring is provided between the frame plate and the rotating motor. The rotating frame is driven to move downward by the movable end of the electric push rod, and the rotating motor drives the blade to rotate at the same time. The rotating frame moves downward and drives the blade to move downward, thereby realizing cutting of the ceramic tube.
[0009] According to the above technical solution, the rotating roller is connected to the rotating motor through belt No. 1, and roller one is connected to roller two through belt No. 2. At this time, the rotating motor rotates in coordination with belt No. 1 to drive roller one to rotate, and roller one rotates through belt No. 2 to drive roller two to rotate, so that the ceramic tube remains stable during the cutting process.
[0010] According to the above technical scheme, the cutting device also includes a round rod, a pressure rod, a water tank, a pipe, a water storage block and a nozzle. The round rod is fixedly installed on the movable end of the electric push rod, the pressure rod is fixedly installed on the bottom of the round rod, the water tank is fixedly installed on the front side of the frame, the pipe is fixedly installed on the bottom of the water tank, the water storage block is fixedly installed on the left side of the pipe, the pressure rod slides through the water storage block, and the nozzle is fixedly installed on the bottom of the water storage block. At the same time, the movable end of the electric push rod moves downward to drive the round rod to move downward, and the round rod moves downward to drive the pressure rod to move downward. The pressure rod moves downward to squeeze the water in the water storage block and then sprays it out from the nozzle, thereby cleaning the cutting part of the ceramic tube.
[0011] According to the above technical solution, the water tank is connected to the water storage block through a pipe, the bottom of the pressure rod is in contact with the water storage block, the round rod moves downward to drive the pressure rod to move downward, and the pressure rod moves downward to squeeze the water in the water storage block.
[0012] According to the above technical scheme, the collecting device includes a fixed plate, an elastic telescopic rod, a baffle, an output channel, a fixed rod, a short rod, a cylinder and a push block. The fixed plate is fixedly installed on the top of the machine base, the fixed end of the elastic telescopic rod is fixedly installed on the left side of the fixed plate, the baffle is fixedly installed on the movable end of the elastic telescopic rod, the output channel is fixedly installed on the inside of the machine base, the fixed rod is fixedly installed on the inner wall of the rotating frame, the short rod is fixedly installed on the bottom of the fixed rod, the cylinder is fixedly installed on the top of the machine base, and the push block is slidably installed on the inner wall of the cylinder. When the rotating frame moves downward, it drives the fixed rod to move downward, and the fixed rod moves downward to drive the short rod to move downward. The short rod moves downward to squeeze the air in the cylinder to make the push block move to the left. The push block moves to the left and contacts with the baffle to make the baffle move to the left, thereby blocking the movement of the ceramic tube.
[0013] According to the above technical solution, the short rod is in contact with the cylinder, and a No. 2 spring is provided between the push block and the cylinder. When the push block moves to the left, it contacts the baffle plate, causing the baffle plate to move to the left, thereby blocking the movement of the ceramic tube.
[0014] The present invention provides a silicon nitride ceramic tube cutting device, which has the following beneficial effects:
[0015] (1) The invention, through the setting of the feeding device, determines the size to be cut and then places the ceramic tube in the groove of the frame. The movable rod is manually moved toward the direction of the ceramic tube to cooperate with the fixed wheel to clamp the ceramic tube, so as to prevent the ceramic tube from suddenly moving and causing injury to the operator, causing the cutting tool to deviate from the expected path or causing a dangerous operating accident. At this time, the rotating motor rotates in cooperation with the No. 1 belt to drive roller 1 to rotate, and the rotation of roller 1 drives roller 2 to rotate through the No. 2 belt, so that the ceramic tube remains stable during the cutting process, which can ensure that the ceramic tube moves along the expected path and avoid its accidental movement or twisting during the cutting process, resulting in cutting errors.
[0016] (2) The invention, through the setting of the cutting device, drives the rotating frame to move downward by moving the movable end of the electric push rod downward, and at the same time, the rotating motor drives the blade to rotate, and the rotating frame moves downward and drives the blade to move downward, so as to cut the ceramic tube. At the same time, the movable end of the electric push rod moves downward and drives the round rod to move downward to cooperate with the pressure rod to squeeze the water in the water storage block and then spray it from the nozzle, so as to clean the cutting part of the ceramic tube and prevent the dust generated by the cutting from affecting the working environment. The No. 1 spring can be set to limit the moving distance of the blade to prevent the blade from moving differently each time, resulting in uneven cutting force, thereby causing the pipe cutting surface to be uneven, uneven or produce burrs, affecting the cutting quality.
[0017] (3) The invention, through the setting of the collecting device, when the cutting is completed, the movable end of the electric push rod moves upward and is reset by the No. 1 spring. At this time, the rotating motor drives the feed shaft to rotate, so that the ceramic tube is automatically moved to the next cutting position, saving manpower. When the rotating frame moves downward, it drives the fixed rod to move downward, and the fixed rod moves downward to drive the short rod to move downward. The short rod moves downward to squeeze the air in the cylinder to move the push block to the left. The push block moves to the left and contacts the baffle to move the baffle to the left, so as to block the movement of the ceramic tube and prevent the ceramic tube from exceeding the cutting position, resulting in different cutting sizes. Then, the baffle is reset by the elastic telescopic rod, and the cut ceramic tube falls onto the output path. The ceramic tube is transported to the collection box by gravity, so as to collect the ceramic tube. BRIEF DESCRIPTION OF THE DRAWINGS
[0018] Figure 1 It is a schematic diagram of the overall structure of the present invention;
[0019] Figure 2 This is a schematic diagram of a three-dimensional perspective of the rear side of the present invention;
[0020] Figure 3 It is a partial cross-sectional schematic diagram of the feeding device of the present invention;
[0021] Figure 4 It is a cross-sectional schematic diagram of the positional relationship between the roller 1 and the rotating motor of the present invention;
[0022] Figure 5 It is a partial cross-sectional schematic diagram of the cutting device of the present invention;
[0023] Figure 6 It is a partial cross-sectional schematic diagram of the collecting device of the present invention;
[0024] Figure 7 It is a cross-sectional schematic diagram of the positional relationship between the collecting box and the output channel of the present invention.
[0025] In the figure: 1, machine base; 2, frame; 3, collecting box; 401, base; 402, bracket; 403, feeding shaft; 404, guide wheel; 405, support frame; 406, movable rod; 407, fixed wheel; 501, frame plate; 502, rotating roller; 503, roller one; 504, roller two; 505, electric push rod; 506, fixed frame; 507, rotating frame; 508, blade; 509, round rod; 5091, pressure rod; 510, spring No. 1; 511, water tank; 512, pipeline; 513, water storage block; 514, nozzle; 601, fixed plate; 602, elastic telescopic rod; 603, baffle; 604, output channel; 605, fixed rod; 606, short rod; 607, cylinder; 608, push block. DETAILED DESCRIPTION
[0026] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.
[0027] See also Figure 1-Figure 3An embodiment of the present invention is: a silicon nitride ceramic tube cutting device, a silicon nitride ceramic tube cutting device, including a machine base 1 and a collecting box 3, the surface of the machine base 1 is provided with slots, a rotating motor is arranged inside the machine base 1, a frame 2 is fixedly installed on the top of the machine base 1, a groove is arranged on the top of the frame 2, the collecting box 3 is arranged inside the machine base 1, and a feeding device, a cutting device and a collecting device are arranged on the top of the machine base 1; wherein the feeding device includes a base 401, a bracket 402, a feed shaft 403, a guide wheel 404, a support frame 405, a movable rod 406 and a fixed wheel 407, the base 401 is fixedly installed on the top of the machine base 1, the bracket 402 is fixedly installed on the top of the machine base 1, the left side of the bracket 402 is provided with a rotating motor, the feed shaft 403 It is rotatably installed at the output end of the rotating motor, the feed shaft 403 is rotatably installed on the inner wall of the base 401, the guide wheel 404 is rotatably installed on the inner wall of the bracket 402, the support frame 405 is fixedly installed on the top of the machine base 1, the movable rod 406 is rotatably installed on the outer side of the support frame 405, and the fixed wheel 407 is rotatably installed on the inner wall of the movable rod 406. After determining the size to be cut, the ceramic tube is placed in the groove of the frame 2. At this time, the ceramic tube is in contact with the feed shaft 403 and the guide wheel 404. By manually moving the movable rod 406 toward the direction of the ceramic tube, the movement of the movable rod 406 drives the fixed wheel 407 to move, thereby clamping the ceramic tube to prevent the sudden movement of the ceramic tube from causing injury to the operator, causing the cutting tool to deviate from the expected path or causing dangerous operating accidents.
[0028] The base 401 is in contact with the feeding shaft 403 , and a handle is provided on the top of the movable rod 406 .
[0029] When this embodiment is working, after determining the size to be cut, the ceramic tube is placed in the groove of the frame 2. At this time, the ceramic tube is in contact with the feed shaft 403 and the guide wheel 404. The movable rod 406 is manually moved toward the ceramic tube, and the movement of the movable rod 406 drives the fixed wheel 407 to move, so as to clamp the ceramic tube to prevent the sudden movement of the ceramic tube from causing injury to the operator, causing the cutting tool to deviate from the expected path or causing a dangerous operating accident. At this time, the rotating motor rotates in coordination with the No. 1 belt to drive roller 1 503 to rotate, and the rotation of roller 1 503 drives roller 2 504 to rotate through the No. 2 belt, so that the ceramic tube remains stable during the cutting process, which can ensure that the ceramic tube moves along the expected path and avoids accidental movement or distortion during the cutting process, resulting in cutting errors.
[0030] See also Figure 1-Figure 7On the basis of the above embodiment, in another embodiment of the present invention, the cutting device includes a frame plate 501, a rotating roller 502, a roller 1 503, a roller 2 504, an electric push rod 505, a fixed frame 506, a rotating frame 507, a blade 508 and a spring 510. The frame plate 501 is fixedly mounted on the top of the frame 2, the rotating roller 502 is rotatably mounted on the inner wall of the frame 2, the roller 1 503 is fixedly mounted on the circumferential surface of the rotating roller 502, the roller 2 504 is rotatably mounted on the inner wall of the frame 2, and the fixed end of the electric push rod 505 is fixedly mounted on the bottom of the frame plate 501. The fixed frame 506 is fixedly installed on the top of the machine base 1, the rotating frame 507 is rotatably installed on the outside of the fixed frame 506, a rotating motor is arranged at the bottom of the rotating frame 507, the blade 508 is fixedly installed at the output end of the rotating motor, and the No. 1 spring 510 is arranged between the frame plate 501 and the rotating motor. The No. 1 spring 510 can limit the moving distance of the blade 508 to prevent the blade 508 from moving differently each time, resulting in uneven cutting force, thereby causing the pipe cutting surface to be uneven, uneven or produce burrs, affecting the cutting quality.
[0031] The rotating roller 502 is connected to the rotating motor through the No. 1 belt, and the roller 1 503 is connected to the roller 2 504 through the No. 2 belt, which can ensure that the ceramic tube moves along the expected path and avoid accidental movement or distortion during the cutting process, resulting in cutting errors.
[0032] The cutting device also includes a round rod 509, a pressure rod 5091, a water tank 511, a pipe 512, a water storage block 513 and a nozzle 514. The round rod 509 is fixedly installed on the movable end of the electric push rod 505, the pressure rod 5091 is fixedly installed on the bottom of the round rod 509, the water tank 511 is fixedly installed on the front side of the frame 501, the pipe 512 is fixedly installed on the bottom of the water tank 511, the water storage block 513 is fixedly installed on the left side of the pipe 512, the pressure rod 5091 slides through the water storage block 513, and the nozzle 514 is fixedly installed on the bottom of the water storage block 513 to achieve cleaning of the cutting part of the ceramic tube and prevent the dust generated by the cutting from affecting the working environment.
[0033] The water tank 511 is connected to the water storage block 513 through the pipe 512 , and water is transported to the water storage block 513 through the pipe 512 . The bottom of the pressure rod 5091 contacts the water storage block 513 .
[0034] The collecting device includes a fixed plate 601, an elastic telescopic rod 602, a baffle 603, an output channel 604, a fixed rod 605, a short rod 606, a cylinder 607 and a push block 608. The fixed plate 601 is fixedly installed on the top of the machine base 1, the fixed end of the elastic telescopic rod 602 is fixedly installed on the left side of the fixed plate 601, the baffle 603 is fixedly installed on the movable end of the elastic telescopic rod 602, the output channel 604 is fixedly installed inside the machine base 1, the fixed rod 605 is fixedly installed on the inner wall of the rotating frame 507, the short rod 606 is fixedly installed on the bottom of the fixed rod 605, the cylinder 607 is fixedly installed on the top of the machine base 1, and the push block 608 is slidably installed on the inner wall of the cylinder 607 to block the movement of the ceramic tube and prevent the ceramic tube from exceeding the cutting position, resulting in different cutting sizes. Then the baffle 603 is reset by the elastic telescopic rod 602, and the cut ceramic tube will fall onto the output channel 604, and the ceramic tube is transported to the collection box 3 by gravity to realize the collection of the ceramic tube.
[0035] The short rod 606 is in contact with the cylinder 607, and a No. 2 spring is arranged between the push block 608 and the cylinder 607, so that the push block 608 is driven to reset by the arranged No. 2 spring.
[0036] When the present embodiment is working, the movable end of the electric push rod 505 moves downward to drive the rotating frame 507 to move downward, and at the same time, the rotating electric drive drives the blade 508 to rotate, and the rotating frame 507 moves downward to drive the blade 508 to move downward, so as to cut the ceramic tube. At the same time, the movable end of the electric push rod 505 moves downward to drive the round rod 509 to move downward, and the round rod 509 moves downward to drive the pressure rod 5091 to move downward, and the pressure rod 5091 moves downward to squeeze the water in the water storage block 513 and then spray it from the nozzle 514, so as to clean the cutting part of the ceramic tube and prevent the dust generated by the cutting from affecting the working environment. The No. 1 spring 510 can be set to limit the moving distance of the blade 508 to prevent the blade 508 from moving differently each time, resulting in uneven cutting force of the blade 508, thereby causing the pipe cutting surface to be uneven, uneven or produce burrs, affecting the cutting quality When the cutting is completed, the movable end of the electric push rod 505 moves upward and is reset by the No. 1 spring 510. At this time, the rotating motor drives the feed shaft 403 to rotate, so that the ceramic tube is automatically moved to the next cutting position, saving manpower. When the rotating frame 507 moves downward, it drives the fixed rod 605 to move downward. The fixed rod 605 moves downward and drives the short rod 606 to move downward. The short rod 606 moves downward to squeeze the air in the cylinder 607 to make the push block 608 move to the left. The push block 608 moves to the left and contacts with the baffle 603 to make the baffle 603 move to the left, so as to block the movement of the ceramic tube and prevent the ceramic tube from exceeding the cutting position, resulting in different cutting sizes. Then, the baffle 603 is reset by the elastic telescopic rod 602, and the cut ceramic tube falls onto the output channel 604. The ceramic tube is transported to the collection box 3 by gravity to collect the ceramic tube.
[0037] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.
Claims
1. A silicon nitride ceramic tube cutting device, comprising a machine base (1) and a collecting box (3), characterized in that: The surface of the machine base (1) is provided with slots, a rotating motor is arranged inside the machine base (1), a frame (2) is fixedly mounted on the top of the machine base (1), a groove is arranged on the top of the frame (2), the collection box (3) is arranged inside the machine base (1), and a feeding device, a cutting device and a collecting device are arranged on the top of the machine base (1); The feeding device comprises a base (401), a bracket (402), a feed shaft (403), a guide wheel (404), a support frame (405), a movable rod (406) and a fixed wheel (407); the base (401) is fixedly mounted on the top of the machine base (1); the bracket (402) is fixedly mounted on the top of the machine base (1); a rotating motor is arranged on the left side of the bracket (402); the feed shaft (403) is rotatably mounted on the output end of the rotating motor; the feed shaft (403) is rotatably mounted on the inner wall of the base (401); the guide wheel (404) is rotatably mounted on the inner wall of the bracket (402); the support frame (405) is fixedly mounted on the top of the machine base (1); the movable rod (406) is rotatably mounted on the outer side of the support frame (405); and the fixed wheel (407) is rotatably mounted on the inner wall of the movable rod (406).
2. A silicon nitride ceramic tube cutting device according to claim 1, characterized in that: The base (401) is in contact with the feeding shaft (403), and a handle is provided on the top of the movable rod (406).
3. A silicon nitride ceramic tube cutting device according to claim 2, characterized in that: The cutting device comprises a frame plate (501), a rotating roller (502), a first roller (503), a second roller (504), an electric push rod (505), a fixed frame (506), a rotating frame (507), a blade (508) and a first spring (510), wherein the frame plate (501) is fixedly mounted on the top of the frame (2), the rotating roller (502) is rotatably mounted on the inner wall of the frame (2), the first roller (503) is fixedly mounted on the circumferential surface of the rotating roller (502), and the second roller (504) is fixedly mounted on the circumferential surface of the rotating roller (502). 04) is rotatably mounted on the inner wall of the frame (2), the fixed end of the electric push rod (505) is fixedly mounted on the bottom of the frame plate (501), the fixed frame (506) is fixedly mounted on the top of the base (1), the rotating frame (507) is rotatably mounted on the outside of the fixed frame (506), a rotating motor is arranged at the bottom of the rotating frame (507), the blade (508) is fixedly mounted on the output end of the rotating motor, and the No. 1 spring (510) is arranged between the frame plate (501) and the rotating motor.
4. A silicon nitride ceramic tube cutting device according to claim 3, characterized in that: The rotating roller (502) is connected to the rotating motor through a first belt, and the roller one (503) is connected to the roller two (504) through a second belt.
5. The silicon nitride ceramic tube cutting device according to claim 4, characterized in that: The cutting device further comprises a round rod (509), a pressure rod (5091), a water tank (511), a pipe (512), a water storage block (513) and a nozzle (514); the round rod (509) is fixedly mounted on the movable end of the electric push rod (505); the pressure rod (5091) is fixedly mounted on the bottom of the round rod (509); the water tank (511) is fixedly mounted on the front side of the frame (501); the pipe (512) is fixedly mounted on the bottom of the water tank (511); the water storage block (513) is fixedly mounted on the left side of the pipe (512); the pressure rod (5091) slides through the water storage block (513); and the nozzle (514) is fixedly mounted on the bottom of the water storage block (513).
6. The silicon nitride ceramic tube cutting device according to claim 5, characterized in that: The water tank (511) is connected to the water storage block (513) through a pipe (512), and the bottom of the pressure rod (5091) is in contact with the water storage block (513).
7. The silicon nitride ceramic tube cutting device according to claim 6, characterized in that: The collecting device comprises a fixed plate (601), an elastic telescopic rod (602), a baffle (603), an output channel (604), a fixed rod (605), a short rod (606), a cylinder (607) and a push block (608), wherein the fixed plate (601) is fixedly mounted on the top of the machine base (1), the fixed end of the elastic telescopic rod (602) is fixedly mounted on the left side of the fixed plate (601), the baffle (603) is fixedly mounted on the movable end of the elastic telescopic rod (602), the output channel (604) is fixedly mounted inside the machine base (1), the fixed rod (605) is fixedly mounted on the inner wall of the rotating frame (507), the short rod (606) is fixedly mounted on the bottom of the fixed rod (605), the cylinder (607) is fixedly mounted on the top of the machine base (1), and the push block (608) is slidably mounted on the inner wall of the cylinder (607).
8. The silicon nitride ceramic tube cutting device according to claim 7, characterized in that: The short rod (606) is in contact with the cylinder (607), and a No. 2 spring is provided between the push block (608) and the cylinder (607).