A longitudinal automatic cutting machine for insulation tube cotton

Abstract

This utility model relates to the field of automatic cutting equipment technology, specifically to a longitudinal automatic cutting machine for thermal insulation tube cotton. It includes a continuous feeding mechanism at one end of the frame for conveying the thermal insulation tube cotton, automatically and uniformly feeding it in. A cutting mechanism is located at the output end of the continuous feeding mechanism, allowing the thermal insulation tube cotton to be continuously cut without frequent machine stops for material replacement, thus meeting the needs of large-scale continuous production. A guide mechanism is located directly opposite one side of the continuous feeding mechanism to guide the thermal insulation tube cotton to continue moving in its initial direction, ensuring the material maintains the correct orientation throughout the cutting process. A correction mechanism is located at the output end of the continuous feeding mechanism for fine-tuning and correcting the orientation of the thermal insulation tube cotton, with a U-shaped groove support below the correction mechanism. The correction mechanism fine-tunes the orientation of the thermal insulation tube cotton, further correcting its position and preventing inaccurate cutting due to deviation of the thermal insulation tube cotton during conveying.

Description

Technical Field

[0001] This utility model relates to the field of automatic cutting equipment technology, and in particular to a longitudinal automatic cutting machine for thermal insulation tube cotton. Background Technology

[0002] Air source heat pumps, as an energy-saving and environmentally friendly new energy technology, convert heat from the air to provide users with hot water and heating services. Their effectiveness is particularly pronounced in extremely cold regions. In northern markets, low-temperature models have become mainstream. These models optimize key components such as compressors and heat exchangers, employing special refrigerants and control technologies to ensure stable operation of the air source heat pump system. However, in extreme low-temperature environments like -40 degrees Celsius in northern regions, air source heat pump pipelines face serious threats. The system contains gaseous, liquid, and gas-liquid mixtures, making it highly susceptible to pipe freezing and cracking, leading to refrigerant leaks. Internal icing can also cause partial blockages, preventing effective heat exchange and rendering the heating function impossible. Furthermore, this increases maintenance costs and shortens the lifespan of the pipelines.

[0003] In thermal insulation projects, insulation cotton is widely used for the insulation of various pipes, such as exhaust pipes, return pipes, and branch pipe fittings. Currently, most insulation cotton on the market is pre-cut into horizontally oriented pieces. Since system pipes are typically welded first and then wrapped with insulation cotton, horizontally cut insulation cotton cannot be properly fitted onto the pipe surface. If the insulation cotton is wrapped first and then welded, it will burn. Longitudinal cutting is done manually using scissors or blades, resulting in uneven cuts, low efficiency, cumbersome manual operation, uneven feeding speed, slow stepping speed, and a tendency to deviate during feeding, making it unsuitable for large-scale continuous production demands. Utility Model Content

[0004] The technical problem to be solved by this utility model is to address the shortcomings of the prior art by providing an automatic cutting equipment system and its control method based on a water purification device, so as to solve the problems mentioned in the background art. The present invention automatically feeds the insulation cotton into the tube through a continuous feeding mechanism, and then the correction mechanism steps along the direction of the guide mechanism to achieve the advantage of continuous axial cutting of the insulation cotton.

[0005] The technical problem to be solved by this utility model is achieved through the following technical solution: a longitudinal automatic cutting machine for thermal insulation tube cotton, including a frame, a continuous feeding mechanism for conveying thermal insulation tube cotton at one end of the frame, a cutting mechanism at the output end of the continuous feeding mechanism, a guide mechanism for guiding the thermal insulation tube cotton to continue moving in the initial direction on one side of the continuous feeding mechanism, the guide mechanism being located on the cutting mechanism side, a correction mechanism for fine-tuning and correcting the direction of the thermal insulation tube cotton at the output end of the continuous feeding mechanism, and a U-shaped groove support below the correction mechanism.

[0006] The continuous feeding mechanism automatically conveys the insulation cotton at a constant speed, and the insulation cotton is continuously cut by the cutting mechanism, eliminating the need for frequent machine stops for material replacement and enabling large-scale continuous production.

[0007] The guiding mechanism guides the insulation tube cotton to continue moving in the initial direction, ensuring the material maintains the correct orientation throughout the cutting process. The correction mechanism fine-tunes the orientation of the insulation tube cotton, further correcting its position and preventing inaccurate cutting due to deviation of the insulation tube cotton during transport.

[0008] As a further embodiment of this invention, the cutting mechanism includes a cutting motor. The cutting motor shaft is perpendicular to the feeding direction of the continuous feeding mechanism. A vertically positioned cutting blade is mounted on the cutting motor shaft. The cutting blade cuts the insulation tube along its axial direction. The cutting blade's axial cutting ensures that the cut insulation tube has neat edges, without any bevels or irregular cutting marks, thus guaranteeing the cutting quality.

[0009] As a further embodiment of this invention, the non-cutting portion at the bottom of the cutting blade is provided with a protective cover along the circumferential direction. The protective cover includes an arc-shaped baffle that blocks cutting debris from splashing along the tangential direction, and the arc-shaped baffle is disposed on the guide mechanism. The arc-shaped baffle can effectively block these debris from splashing along the tangential direction, avoiding injury to the operator from the debris. At the same time, it reduces the wear and damage to the equipment caused by high-speed flying debris, extending the service life of the equipment.

[0010] As a further embodiment of this utility model, the guiding mechanism includes a support base plate mounted on a U-shaped groove bracket. The support base plate has two parallel sliding grooves arranged along the direction of the insulation tube feeding. A sliding plate that slides along the direction of the sliding grooves is also provided on the support base plate. A support screw is vertically mounted on the sliding plate, and a lifting adjustment assembly is mounted on the support screw. The lifting adjustment assembly includes an upper nut and a lower nut, with a positioning ring sleeved on the support screw between the upper and lower nuts. An L-shaped connecting plate is mounted on the positioning ring, with its vertical plate pointing vertically upwards. A horizontally positioned guide rod is located at the top of the vertical plate of the L-shaped connecting plate. Adjustments are made by reciprocating the axial movement of the insulation tube according to its size and stepping speed. The height is precisely adjusted via the lifting adjustment assembly, improving cutting accuracy and reducing cutting errors caused by material offset, thereby improving the overall quality of the product.

[0011] As a further embodiment of this invention, the positioning ring is locked in the vertical position of the guide rod after being tightened by the upper and lower nuts facing each other. By tightening the upper and lower nuts in opposite directions, the position of the positioning ring can be precisely adjusted, achieving fine-tuning of the vertical position of the guide rod. Based on the thickness and shape of the insulation material, the guide rod is adjusted to the optimal height, ensuring that the insulation material can stably pass through the guiding mechanism during transmission.

[0012] As a further embodiment of this invention, the top of the vertical plate of the L-shaped connecting plate is provided with a guide nut with a horizontally arranged screw hole, and the end of the guide rod is provided as a threaded rod, which is threadedly engaged with the guide nut. The guide rod has a tapered head on one side of the threaded rod. The threaded engagement allows the guide rod to be finely adjusted according to the size and shape of the insulation cotton, ensuring that the material maintains the correct direction and position during the conveying process.

[0013] The tapered head allows the guide rod to guide the material more stably when it contacts the insulation tube. The tapered head reduces friction and resistance as the material enters the guide rod, providing a more uniform guiding force.

[0014] As a further embodiment of this invention, the correction mechanism includes two vertically arranged correction screws mounted on a U-shaped groove support. The two correction screws are symmetrically arranged along a guide rod. Each correction screw has a correction paddle, and a correction nut is positioned between the correction paddle and the correction screw. By rotating the correction nut up and down along the correction screw, the vertical and circumferential positions of the correction paddles are adjusted. The correction paddles are arc-shaped, and the clamping distance between them gradually decreases as they move from the insulation tube towards the cutting mechanism. The correction nut is rotated up and down along the correction screw to adjust the vertical and circumferential positions of the correction paddles. This provides precise correction of the insulation tube in multiple dimensions, ensuring that the material maintains the correct orientation and position before entering the cutting mechanism.

[0015] Precise calibration effectively reduces cutting errors caused by misalignment of the insulation tube during transport. Through gradual calibration, the insulation tube maintains a stable position and orientation before entering the cutting mechanism, improving cutting quality and reducing scrap rate.

[0016] As a further embodiment of this invention, the continuous feeding mechanism includes a horizontally arranged conveyor belt. One end of the conveyor belt has a driven wheel, and the other end has a driving wheel. A drive assembly is located beside the driving wheel. The drive assembly includes a transmission motor mounted on a frame. A first bevel gear is located at the end of the transmission motor shaft. The first bevel gear meshes with a second bevel gear. A third bevel gear is located directly above the second bevel gear. A connecting rod is provided between the second and third bevel gears. The third bevel gear meshes with a fourth bevel gear, which is connected to the driving wheel via a synchronous shaft. Through the bevel gear transmission system, power is precisely transmitted from the transmission motor to the driving wheel and efficiently to the conveyor belt, reducing energy loss. The bevel gear transmission system has a compact structure, occupies little space, and operates stably.

[0017] As a further embodiment of this invention, an insulation cotton debris hopper is provided directly below the cutting mechanism, and the insulation cotton debris hopper is configured as a pull-out drawer structure. The debris is collected in the debris hopper, reducing the accumulation of debris inside the equipment or its scattering into the work area, thereby reducing the risk of equipment failure caused by debris accumulation, making the cleaning of the insulation cotton debris hopper convenient, and maintaining a clean working environment.

[0018] As a further embodiment of this utility model, the frame includes a chassis, with mounting side plates around the chassis, a mounting top plate at the top of the mounting side plates that cooperates with the continuous feeding mechanism, the cutting mechanism and the guiding mechanism, and two sets of parallel casters at the bottom of the chassis.

[0019] The combined use of the side and top mounting plates forms a robust frame structure. The entire frame is compact, effectively utilizing limited space. The casters allow for quick movement to safe areas or emergency maneuvers, improving ease of use and making the movement and positioning of the cutting machine easier and faster.

[0020] The beneficial effects of this utility model are as follows: This utility model provides a longitudinal automatic cutting machine for thermal insulation tube cotton, including a frame. One end of the frame is provided with a continuous feeding mechanism for conveying thermal insulation tube cotton. The output end of the continuous feeding mechanism is provided with a cutting mechanism. On one side of the continuous feeding mechanism, a guide mechanism is provided to guide the thermal insulation tube cotton to continue moving in the initial direction. The guide mechanism is located on the side of the cutting mechanism. The output end of the continuous feeding mechanism is provided with a correction mechanism for fine-tuning and correcting the direction of the thermal insulation tube cotton. A U-shaped groove support is provided below the correction mechanism.

[0021] The continuous feeding mechanism automatically conveys the insulation cotton at a constant speed, and the insulation cotton is continuously cut by the cutting mechanism, eliminating the need for frequent machine stops for material replacement and enabling large-scale continuous production.

[0022] The guiding mechanism guides the insulation tube cotton to continue moving in the initial direction, ensuring the material maintains the correct orientation throughout the cutting process. The correction mechanism fine-tunes the orientation of the insulation tube cotton, further correcting its position and preventing inaccurate cutting due to deviation of the insulation tube cotton during transport. Attached Figure Description

[0023] Figure 1 This is a top view of the present invention;

[0024] Figure 2 This is the front view of the present invention;

[0025] Figure 3 This is a side view of the present invention.

[0026] Figure 4 This is a schematic diagram of the overall structure of this utility model;

[0027] Figure 5 This is a schematic diagram of the external structure of this utility model.

[0028] The components are: 1-Insulation cotton scrap hopper, 2-Guiding mechanism, 201-Support base plate, 211-Slide groove, 202-Slide plate, 203-Support screw, 204-Lower nut, 205-Positioning ring, 206-Upper nut, 207-Guide nut, 208-Guide rod, 281-Conical head, 3-U-shaped groove bracket, 4-Cutting mechanism, 401-Protective cover, 402-Cutting disc, 403-Cutting motor, 5-Correction mechanism, 501-Correction screw. 502-Correction nut, 503-Correction lever, 6-Continuous feeding mechanism, 601-Third bevel gear, 602-Fourth bevel gear, 603-Drive wheel, 604-Conveyor belt, 605-Driven wheel, 606-Conveyor motor, 607-First bevel gear, 608-Second bevel gear, 609-Connecting shaft, 7-Frame, 701-Universal wheel, 702-Chassis, 703-Mounting side plate, 704-Mounting top plate, 8-Insulation pipe cotton. Detailed Implementation

[0029] To make the objectives, technical solutions, and advantages of this utility model clearer, the present utility model will be further described in detail below through embodiments and in conjunction with the accompanying drawings. It should be understood that the specific embodiments described herein are merely illustrative of the present utility model and are not intended to limit the present utility model.

[0030] The serial numbers assigned to components in this document, such as "first," "second," etc., are merely for distinguishing the described objects and have no sequential or technical meaning. The terms "connection" and "linkage" used in this application, unless otherwise specified, include both direct and indirect connections (linkages). In the description of this utility model, it should be understood that the terms "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," and "counterclockwise," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are used solely for the convenience of describing this utility model and for simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0031] In this utility model, unless otherwise explicitly specified and limited, "above" or "below" the second feature can mean that the first feature is in direct contact with the second feature, or that the first feature is in indirect contact with the second feature through an intermediate medium. Furthermore, "above," "on top of," and "over" the second feature can mean that the first feature is directly above or diagonally above the second feature, or simply that the first feature is at a higher horizontal level than the second feature. "Below," "below," and "under" the second feature can mean that the first feature is directly below or diagonally below the second feature, or simply that the first feature is at a lower horizontal level than the second feature.

[0032] Example 1

[0033] like Figures 1 to 4 As shown, a longitudinal automatic cutting machine for thermal insulation tube cotton includes a frame. One end of the frame is provided with a continuous feeding mechanism 6 for conveying thermal insulation tube cotton 8. The continuous feeding mechanism includes a horizontally arranged conveyor belt 604. One end of the conveyor belt is provided with a driven wheel 605, and the other end of the conveyor belt is provided with a driving wheel 603. A drive assembly is provided on the side of the driving wheel. The drive assembly includes a conveyor motor 606 mounted on the frame. The shaft end of the conveyor motor is provided with a first bevel gear 607. The first bevel gear meshes with a second bevel gear 608. A third bevel gear 601 is provided directly above the second bevel gear. A connecting rod 609 is provided between the second bevel gear and the third bevel gear. The third bevel gear meshes with a fourth bevel gear 602. The fourth bevel gear is connected to the driving wheel through a synchronous shaft.

[0034] In use, the conveyor motor 606 is started, which drives the second bevel gear, which meshes with the first bevel gear, to rotate synchronously. After being transmitted through the connecting rod 609, the motion is transmitted to the fourth bevel gear by the third bevel gear 601. The fourth bevel gear drives the drive wheel to move synchronously and stably, which in turn drives the conveyor belt to move at a uniform speed. The speed of movement is adjusted in real time according to the actual cutting requirements of the insulation cotton.

[0035] The output end of the continuous feeding mechanism is provided with a cutting mechanism 4. The cutting mechanism includes a cutting motor 403. The cutting motor shaft is set perpendicular to the feeding direction of the continuous feeding mechanism. A vertically set cutting blade 402 is provided on the cutting motor shaft. The cutting blade cuts the insulation cotton tube along the axial direction of the insulation cotton tube.

[0036] Start the cutting motor, which drives the cutting blade to rotate. When cutting thicker insulation pipe cotton, appropriately reduce the motor speed to increase the cutting force; when cutting thinner insulation pipe cotton, increase the speed to speed up the cutting.

[0037] The cutting motor shaft is set perpendicular to the feeding direction of the continuous feeding mechanism. The cutting blade applies pressure evenly during the cutting process, reducing cutting resistance, and the cutting blade stably cuts along the axial direction of the insulation cotton.

[0038] A vertically positioned motor shaft ensures that the cutting blade maintains a stable position and orientation during rotation, preventing cutting deviations caused by motor shaft tilting or wobbling.

[0039] The non-cutting portion at the bottom of the cutting blade is provided with a protective cover 401 along the circumference. The protective cover includes an arc-shaped baffle that prevents cutting debris from splashing along the tangential line. The arc-shaped baffle is mounted on the guide mechanism. The high-speed rotating cutting blade may throw debris a long distance. Without the protective cover, these debris may hit the operator's eyes, face, or other body parts, causing serious injury.

[0040] The protective cover confines the debris generated during the cutting process to a specific area, preventing it from scattering throughout the workplace and maintaining a clean working environment.

[0041] A guide mechanism 2 is provided on one side of the continuous feeding mechanism to guide the insulation cotton to continue moving in the initial direction. The guide mechanism is located on the cutting mechanism side. The guide mechanism includes a support base plate 201 set on a U-shaped groove bracket 3. The support base plate is provided with two parallel sliding grooves 211. The sliding grooves are set along the feeding direction of the insulation cotton. The support base plate is provided with a sliding plate 202 that slides along the direction of the sliding grooves.

[0042] Before operation, adjust the slide plate along the groove direction of the support base plate 201 according to the site requirements. The slide plate has screw holes, and studs passing through the groove are inserted into the screw holes. Nuts are located above and below the studs. After adjusting the position of the slide plate, tighten the upper and lower nuts and studs. Fix the slide plate on the support base plate.

[0043] A support screw 203 is vertically mounted on the slide plate. A lifting adjustment assembly is mounted on the support screw. The lifting adjustment assembly includes an upper nut 206 and a lower nut 204. A positioning ring 205 is sleeved on the support screw between the upper nut and the lower nut. The positioning ring is locked in the vertical position of the guide rod after being tightened by the upper nut and the lower nut facing each other.

[0044] When the guide rod moves upward, the upper nut is screwed upward, and the positioning ring moves upward accordingly. Then, the lower nut is screwed upward. The upper and lower nuts fix the positioning ring vertically at a certain height, ready for use.

[0045] When the guide rod moves downward, the lower nut is screwed down, and the positioning ring moves down accordingly. Then the upper nut is screwed down, and the upper and lower nuts fix the positioning ring vertically at another height, ready for use.

[0046] The positioning ring is equipped with an L-shaped connecting plate, the vertical plate of which is set vertically upwards, and the top of the vertical plate of the L-shaped connecting plate is equipped with a horizontally set guide rod 208. The positioning ring drives the guide rod to move up and down.

[0047] The L-shaped connecting plate has a guide nut 207 with a horizontally positioned screw hole at the top of its vertical plate. The end of the guide rod is a threaded rod that engages with the guide nut. The height of the L-shaped connecting plate and the guide rod can be adjusted by adjusting the height of the positioning ring. This allows for the cutting of insulation cotton of different specifications.

[0048] The guide rod 208 has a tapered head 281 on one side of the threaded rod. The tapered head allows the guide rod to guide the material more stably when it contacts the insulation tube cotton. The tapered head reduces friction and resistance when the insulation tube cotton enters the guide rod, provides a more uniform guiding force, and avoids the insulation tube cotton from shifting or shaking due to sudden contact.

[0049] Example 2

[0050] The output end of the continuous feeding mechanism is equipped with a correction mechanism 5 for fine-tuning and correcting the direction of the insulation cotton. A U-shaped groove support 3 is provided below the correction mechanism. The correction mechanism includes two vertically arranged correction screws 501 set on the U-shaped groove support. The two correction screws are symmetrically arranged along the guide rod. A correction lever 503 is provided on the correction screw. A correction nut 1 is provided between the correction lever and the correction screw. By turning the correction nut up and down along the correction screw, the vertical and circumferential positions of the correction lever are adjusted. The correction lever is an arc-shaped lever. The clamping distance of the correction lever gradually decreases as it moves from the insulation cotton towards the cutting mechanism.

[0051] Before the equipment is put into operation, the calibration mechanism will be adjusted according to actual needs. Tighten the calibration nut to drive the calibration plate to rotate. Tighten the two calibration plates synchronously in opposite directions to maintain symmetrical setting and ensure that the insulation cotton tube passes between the two calibration plates for guidance and calibration.

[0052] By adjusting the speed of the continuous feeding mechanism, the parameters of the calibration mechanism, and the cutting rate of the cutting mechanism, the automatic cutting machine can adapt to the cutting needs of insulation tube cotton of different specifications and materials.

[0053] For insulation cotton of different thicknesses, the pressure and speed of the feeding mechanism can be adjusted to ensure that it can be smoothly conveyed and cut.

[0054] Insulation pipes with different length requirements are cut by setting the cutting parameters of the cutting mechanism.

[0055] Example 3

[0056] The cutting mechanism is located directly below a thermal insulation cotton scrap hopper 1, which is configured as a pull-out drawer.

[0057] After the insulation cotton debris is blocked by the protective cover, it falls into the insulation cotton debris hopper. The loading level of the insulation cotton debris hopper is checked regularly, and the drawer is pulled in in real time for quick transfer and cleaning of the debris.

[0058] Reducing debris interference with the equipment can ensure stable operation and improve cutting quality.

[0059] The cut insulation cotton is precisely sized and has neat edges, meeting the requirements for subsequent processing and use.

[0060] Example 4

[0061] like Figure 5 As shown, the frame includes a chassis 702, with mounting side plates 703 around its perimeter. A mounting top plate 704, which cooperates with the continuous feeding mechanism, cutting mechanism, and guiding mechanism, is located on the top of the mounting side plates. Two sets of parallel casters 701 are located below the chassis. The chassis provides stable support for the entire frame, bearing the weight of the continuous feeding mechanism, cutting mechanism, and guiding mechanism, as well as the forces generated during operation, ensuring that the equipment does not shake or shift during operation.

[0062] The combined use of the side and top mounting plates forms a robust frame structure. All functional components are securely mounted on the frame, ensuring stable and reliable cutting during long-term operation.

[0063] The technical features of the above embodiments can be combined in any way. For the sake of brevity, not all possible combinations of the technical features in the above embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.

[0064] The embodiments described above are merely illustrative of several implementations of this utility model, and while the descriptions are relatively specific and detailed, they should not be construed as limiting the scope of this utility model patent. It should be noted that those skilled in the art can make various modifications and improvements without departing from the concept of this utility model, and these all fall within the protection scope of this utility model. Therefore, the protection scope of this utility model patent should be determined by the appended claims.

Claims

1. A longitudinal automatic cutting machine for thermal insulation tube cotton, characterized in that, Includes a frame (7), one end of which is provided with a continuous feeding mechanism (6) for conveying insulation cotton (8), the output end of the continuous feeding mechanism is provided with a cutting mechanism (4), one side of the continuous feeding mechanism is provided with a guide mechanism (2) for guiding the insulation cotton to continue moving in the initial direction, the guide mechanism is located on the cutting mechanism side, the output end of the continuous feeding mechanism is provided with a correction mechanism (5) for fine-tuning and correcting the direction of the insulation cotton, and a U-shaped groove support (3) is provided below the correction mechanism.

2. The longitudinal automatic cutting machine for the cotton of the heat preservation tube according to claim 1, characterized in that, The cutting mechanism (4) includes a cutting motor (403), the cutting motor shaft is perpendicular to the feeding direction of the continuous feeding mechanism, and a vertically arranged cutting blade (402) is provided on the cutting motor shaft. The cutting blade cuts the insulation tube along the axial direction of the insulation tube.

3. The longitudinal automatic cutting machine for thermal insulation tube cotton according to claim 2, characterized in that, The non-cutting portion at the bottom of the cutting blade is provided with a protective cover (401) along the circumferential direction. The protective cover includes an arc-shaped baffle that blocks cutting debris from splashing along the tangent. The arc-shaped baffle is disposed on the guide mechanism.

4. The longitudinal automatic cutting machine for the cotton of the thermal tube according to claim 1, characterized in that, The guiding mechanism (2) includes a support base plate (201) set on a U-shaped groove bracket. The support base plate is provided with two parallel sliding grooves (211). The sliding grooves are set along the direction of feeding the insulation cotton. The support base plate is provided with a sliding plate (202) that slides along the direction of the sliding grooves. A support screw (203) is vertically provided on the sliding plate. A lifting adjustment component is provided on the support screw. The lifting adjustment component includes an upper nut (206) and a lower nut (204). A positioning ring (205) is provided between the upper nut and the lower nut and is sleeved on the support screw. An L-shaped connecting plate is provided on the positioning ring. The vertical plate of the L-shaped connecting plate is set vertically upward. A horizontally set guide rod (208) is provided at the top of the vertical plate of the L-shaped connecting plate.

5. The longitudinal automatic cutting machine for the cotton of the thermal tube according to claim 4, characterized in that, The positioning ring is locked in the vertical position of the guide rod after being tightened by the upper nut and the lower nut facing each other.

6. The longitudinal automatic cutting machine for the cotton of the thermal tube according to claim 5, characterized in that, The top of the vertical plate of the L-shaped connecting plate is provided with a guide nut (207) with a screw hole horizontally set, and the end of the guide rod is provided as a threaded rod, which is threadedly engaged with the guide nut. The guide rod is located on one side of the threaded rod with a tapered head (281).

7. The longitudinal automatic cutting machine for the cotton of the thermal tube according to claim 3, characterized in that, The correction mechanism (5) includes two vertically arranged correction screws (501) set on the U-shaped groove support. The two correction screws are symmetrically arranged along the guide rod. The correction screws are provided with correction paddles (503). A correction nut (502) is provided between the correction paddle and the correction screw. The vertical and circumferential positions of the correction paddles are adjusted by turning the correction nut up and down along the correction screw. The correction paddles are arc-shaped paddles. The clamping distance of the correction paddles gradually decreases as they step from the insulation cotton towards the cutting mechanism.

8. The longitudinal automatic cutting machine for thermal insulation tube cotton according to claim 4, characterized in that, The continuous feeding mechanism (6) includes a horizontally arranged conveyor belt (604), a driven wheel (605) at one end of the conveyor belt, a driving wheel (603) at the other end of the conveyor belt, a drive assembly on the side of the driving wheel, the drive assembly including a conveyor motor (606) mounted on the frame, a first bevel gear (607) at the end of the shaft of the conveyor motor, a second bevel gear (608) meshing with the first bevel gear, a third bevel gear (601) directly above the second bevel gear, a connecting rod (609) between the second bevel gear and the third bevel gear, a fourth bevel gear (602) meshing with the third bevel gear, and the fourth bevel gear connected to the driving wheel via a synchronous shaft.

9. The longitudinal automatic cutting machine for thermal insulation tube cotton according to claim 4, characterized in that, The cutting mechanism is located directly below a thermal insulation cotton scrap hopper (1), which is configured as a pull-out drawer.

10. The longitudinal automatic cutting machine for thermal insulation tube cotton according to claim 1, characterized in that, The frame includes a chassis (702), with mounting side plates (703) around the chassis. The top of the mounting side plates is provided with a mounting top plate (704) that cooperates with the continuous feeding mechanism, the cutting mechanism and the guiding mechanism. Two sets of parallel casters (701) are provided below the chassis.

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