Adjustable shearing machine

Abstract

The utility model discloses an adjustable shearing machine, and relates to the field of shearing machine equipment.The adjustable shearing machine comprises a shearing device, the shearing device comprises a shearing mechanism, the shearing mechanism comprises a shearing seat and a shearing knife hinged to the shearing seat, and a rope guide frame used for containing packing rope raw materials is arranged on the shearing seat below the shearing knife; a limiting part is movably arranged at the tail end of the rope guide frame in the length direction of the rope guide frame; and the feeding device is used for conveying packing rope raw materials to the rope guiding frame. Therefore, the problems existing in existing packaging rope production and manufacturing are solved, the labor intensity of workers is relieved, the production efficiency is improved, and the length of the packaging rope is guaranteed.

Description

Technical Field

[0001] This application relates to the field of shearing machine equipment, and particularly relates to an adjustable shearing machine. Background Art

[0002] After the copper tubes are packed into a disc shape, it is necessary to bundle the copper discs with a packing rope to prevent them from loosening during stacking and transportation. Since the copper tubes are relatively soft, hard iron ropes or steel ropes cannot be used as packing ropes, and generally copper ropes are used for bundling, and the copper ropes are in a disc shape. Before use, it is necessary to manually unwind the disc-shaped packing rope (raw material of the packing rope), unwind an appropriate length according to the required length of the packing rope, and then cut it with a guillotine.

[0003] The following problems exist in the actual use process:

[0004] Firstly, manually cutting with a guillotine requires workers to keep repeating the action, resulting in a high labor intensity. Secondly, not only the guillotine cutting requires manual operation, but also workers need to unwind the disc-shaped packing rope, which is cumbersome to operate and has low production efficiency. Thirdly, the length of the packing rope is not unique and needs to meet the bundling requirements of different-sized copper discs. However, the manual cutting length control accuracy is low, and the rejection rate is relatively high. If the cut packing rope is too long, the excess part will be wasted, and the longer part also needs to be cut off after packing. If the cut packing rope is too short, it will increase the operation difficulty during bundling, and even be too short to be used, resulting in waste. Utility Model Content

[0005] To solve the problems existing in the production of the existing packing rope, reduce the labor intensity of workers, improve production efficiency, and ensure the length of the packing rope. Therefore, this application provides an adjustable shearing machine.

[0006] The adjustable shearing machine provided by this application adopts the following technical solutions.

[0007] An adjustable shearing machine, comprising:

[0008] A shearing device, the shearing device includes a shearing mechanism, the shearing mechanism includes a shearing seat and a shearing knife hinged on the shearing seat. A guide rope frame for placing the raw material of the packing rope is arranged on the shearing seat below the shearing knife, and a limiting part is movably arranged along the length direction of the guide rope frame at the end of the guide rope frame;

[0009] A feeding device, the feeding device is used to convey the raw material of the packing rope to the guide rope frame.

[0010] By adopting the above technical solution, through the setting of the feeding device, the raw material of the packing rope can be conveyed to the guide rope frame. Through the setting of the limiting part, the relative length positioning of the raw material of the packing rope on the guide rope frame can be carried out. Through the setting of the shearing knife, the raw material of the packing rope that has been positioned on the guide rope frame can be sheared and cut off, realizing the shearing of the packing rope with a fixed length.

[0011] Optionally, a power assembly for driving the shearing knife to swing is arranged on the shearing seat; the power assembly includes a motor reduction unit A, and the output shaft of the motor reduction unit A drives a crank to rotate, and the crank is hinged to the shearing knife through a shearing connecting rod.

[0012] By adopting the above technical solution, through the setting of the power assembly, the motor reduction unit A drives the shearing knife to swing reciprocally through the crank connecting rod mechanism, thereby realizing the automatic shearing of the shearing knife.

[0013] Optionally, the guide rope frame includes a guide pipe and a guide plate connected end to end, the limiting part is movably arranged on the guide plate, the guide pipe is located below the shearing knife, and a shearing notch is opened in the guide pipe corresponding to the lower part of the shearing knife, and a shearing backing plate is arranged on the shearing seat below the shearing notch.

[0014] By adopting the above technical solution, the setting of the guide pipe has a guiding effect on the walking of the raw material of the packing rope.

[0015] Optionally, the limiting part includes a sliding plate slidably matched with the guide plate, and an abutting plate is arranged at the end of the sliding plate; an adjusting bolt hole is opened on the sliding plate, and after the bolt is screwed into the adjusting bolt hole, it abuts against the guide plate.

[0016] By adopting the above technical solution, the abutting plate is arranged at the end of the sliding plate. Through the sliding setting of the sliding plate and the guide plate, the distance between the abutting plate and the shearing knife can be adjusted, thereby realizing the change of the length of the packing rope.

[0017] Optionally, scales are arranged along the length direction of the guide plate, and scales are arranged along the length direction of the sliding plate.

[0018] By adopting the above technical solution, through the setting of the scales on the sliding plate and the guide plate, the length of the packing rope can be directly obtained, which is convenient for quickly determining the length of the packing rope and improving the accuracy of the length of the sheared packing rope.

[0019] Optionally, a supporting wheel is arranged at the bottom of the sliding plate.

[0020] By adopting the above technical solution, the setting of the supporting wheel facilitates the sliding of the sliding plate and ensures the supporting stability.

[0021] Optionally, the feeding device includes a feeding base, a rotating disk rotatably arranged on the feeding base, and a central column arranged at the central position on the rotating disk.

[0022] By adopting the above technical solution, the disc-shaped copper rope can be placed on the rotating disk. As the rotating disk rotates, the packing rope can be smoothly taken out along with the rotation, improving the operation convenience for workers. The central column is located at the center of the disc-shaped copper rope to prevent the disc-shaped copper rope from falling off.

[0023] Optionally, a motor reduction unit B for driving the rotating disk to rotate is arranged on the feeding base.

[0024] By adopting the above technical solution, due to the arrangement of the motor reduction unit B, workers do not need to rotate the rotating disk, reducing the manual labor intensity.

[0025] Optionally, a tightening component is arranged on the rotating disk. A plurality of the tightening components are circumferentially and spacedly distributed around the central column on the rotating disk. The tightening component includes a tightening plate. The bottom end of the tightening plate is hinged to the bottom of the central column, and a tightening spring is connected between the tightening plate and the central column.

[0026] By adopting the above technical solution, through the arrangement of the tightening component, the disc-shaped copper rope placed on the rotating disk can be tightened and fixed, preventing the disc-shaped copper rope from shifting when the rotating disk rotates and providing stability.

[0027] Optionally, the shearing machine further includes a straightening device. The straightening device includes at least two sets of pressing wheel groups. The pressing wheel group includes a pressing wheel seat. Two pressing wheels are spacedly arranged on the pressing wheel seat. The two pressing wheel shafts are slidably arranged on the pressing wheel seat in the direction of approaching each other, and a pressing spring is arranged between the pressing wheel shaft and the pressing wheel seat. A plurality of the pressing wheel groups are arranged in a straight line at one end of the guide rope frame on the shearing seat.

[0028] By adopting the above technical solution, through the arrangement of the straightening device, as the packing rope raw material is smoothly taken out, the pressing wheels extrude and straighten it, facilitating the packing rope raw material to move along the guide rope frame towards the limiting part, and also improving the length measurement accuracy.

[0029] In summary, the present application has at least the following beneficial effects:

[0030] 1. Through the arrangement of the feeding device in the present application, the packing rope raw material can be conveyed to the guide rope frame. Through the arrangement of the limiting part, relative length positioning can be carried out on the packing rope raw material on the guide rope frame. Through the arrangement of the shearing knife, the packing rope raw material that has been positioned on the guide rope frame can be sheared and cut off, realizing the shearing of the packing rope with a fixed length.

[0031] 2. In this application, through the setting of the power assembly, the motor reduction unit A drives the shear blade to swing reciprocally through the crank - connecting rod mechanism for the raw material, thereby realizing the automatic shearing of the shear blade.

[0032] 3. The abutting plate of this application is arranged at the end of the sliding plate. Through the sliding setting of the sliding plate and the guiding plate, the distance between the abutting plate and the shear blade can be adjusted, thereby changing the length of the packing rope. There are scales arranged along the length direction of the guiding plate and along the length direction of the sliding plate. Through the scales on the sliding plate and the guiding plate, the length of the packing rope can be directly obtained, which is convenient for quickly determining the length of the packing rope and improving the accuracy of the length of the sheared packing rope.

[0033] 4. In this application, the disc - shaped copper rope can be placed on the rotating disc. With the rotation of the rotating disc, the packing rope can be smoothly taken out, improving the operation convenience of workers. The central column is located at the center of the disc - shaped copper rope to prevent the disc - shaped copper rope from falling. Through the setting of the motor reduction unit B, workers do not need to rotate the rotating disc, reducing the manual labor intensity. Through the setting of the tightening assembly, the disc - shaped copper rope placed on the rotating disc can be tightened and fixed to prevent the disc - shaped copper rope from shifting when the rotating disc rotates, providing stability.

[0034] 5. In this application, through the setting of the straightening device, as the packing rope raw material is smoothly taken out, the pressing wheel extrudes and straightens it, facilitating the movement of the packing rope raw material along the rope guide to the limiting part, and also improving the accuracy of length measurement. BRIEF DESCRIPTION OF THE DRAWINGS

[0035] In order to more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the following will briefly introduce the drawings required for use in the description of the embodiments or the prior art. Obviously, the following - described drawings are only some embodiments of the present invention. For those of ordinary skill in the art, without creative efforts, other drawings can be obtained based on these drawings.

[0036] Figure 1 It is a schematic structural diagram of an adjustable shearing machine (including copper rope) in Embodiment 1.

[0037] Figure 2 It is a schematic structural diagram of another perspective of an adjustable shearing machine (excluding the feeding device) in Embodiment 1.

[0038] Figure 3 It is a schematic structural diagram of an adjustable shearing machine (including copper rope) in Embodiment 2.

[0039] Figure 4 It is a schematic structural diagram of another perspective of an adjustable shearing machine (excluding the feeding device) in Embodiment 2.

[0040] Figure 5It is a schematic structural diagram of the feeding device.

[0041] Figure 6 It is a schematic structural diagram of the feeding device from another perspective.

[0042] Explanation of reference numerals: 1. Shearing seat; 2. Shearing knife; 3. Operating handle; 4. Guide tube; 5. Guide plate; 6. Shearing notch; 7. Shearing backing plate; 8. Sliding plate; 9. Counteracting plate; 10. Adjusting bolt hole; 11. Support wheel; 12. Feeding base; 13. Rotating disk; 14. Central column; 15. Motor reduction unit B; 16. Tightening plate; 17. Tightening spring; 18. Pressing wheel seat; 19. Pressing wheel; 20. Compressing spring; 21. Motor reduction unit A; 22. Crank; 23. Shearing connecting rod; 24. Copper rope. Detailed implementation manners

[0043] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0044] The following is further detailed description of this application Figures 1 to 6 in conjunction with the attached drawings.

[0045] An embodiment of this application discloses an adjustable shearing machine.

[0046] Embodiment 1

[0047] Referring to Figure 1 , 2 , 5, 6, an adjustable shearing machine includes: a shearing device, a feeding device, and a straightening device.

[0048] The shearing device, the shearing device includes a shearing mechanism, the shearing mechanism includes a shearing seat 1 and a shearing knife 2, one end of the shearing knife 2 is hinged to the shearing seat 1, and an operating handle 3 is provided at the other end of the shearing knife 2.

[0049] On the shearing seat 1 below the shearing knife 2, a guide rope frame for placing the raw material of the packing rope is fixed. The guide rope frame includes a guide tube 4 and a guide plate 5 connected end to end. The guide tube 4 is located below the shearing knife 2, and a shearing notch 6 is provided in the guide tube 4 corresponding to the lower part of the shearing knife 2. A shearing backing plate 7 is provided on the shearing seat 1 below the shearing notch 6. The arrangements of the guide tube 4 and the guide plate 5 play a guiding role in the walking of the raw material of the packing rope.

[0050] A limiting portion is movably arranged along the length direction of the guide plate 5 at the end of the guide plate 5. The limiting portion includes a sliding plate 8 slidably engaged with the guide plate 5, and an abutting plate 9 is fixed at the end of the sliding plate 8; an adjusting bolt hole 10 is formed in the sliding plate 8. After the bolt is screwed into the adjusting bolt hole 10, the inner end of the bolt abuts against the guide plate 5. The abutting plate 9 is arranged at the end of the sliding plate 8. By the sliding arrangement of the sliding plate 8 and the guide plate 5, the distance between the abutting plate 9 and the shearing knife 2 can be adjusted, and further the distance between the shearing notch 6 and the abutting plate 9, that is, the length that the packing rope raw material can smoothly exit, can be adjusted, so as to change the length of the packing rope.

[0051] Scales are arranged along the length direction of the guide plate 5, and scales are arranged along the length direction of the sliding plate 8. Through the arrangement of the scales on the sliding plate 8 and the guide plate 5, the length of the packing rope can be directly obtained, which is convenient for quickly determining the length of the packing rope and improving the accuracy of the length of the sheared packing rope.

[0052] Support wheels 11 are arranged at the bottom of the sliding plate 8. The arrangement of the support wheels 11 facilitates the sliding of the sliding plate 8 and ensures the support stability.

[0053] A feeding device is used to convey the packing rope raw material to the guide rope frame.

[0054] The feeding device includes a feeding base 12, a rotating disk 13 rotatably arranged on the feeding base 12, and a central column 14 arranged at the central position of the rotating disk 13. The disk-shaped copper rope 24 can be placed on the rotating disk 13. With the rotation of the rotating disk 13, the packing rope can be smoothly delivered, improving the operation convenience of workers. The central column 14 is located at the center of the disk-shaped copper rope 24 to prevent the disk-shaped copper rope 24 from falling.

[0055] A motor reduction unit B15 for driving the rotation of the rotating disk 13 is arranged on the feeding base 12. The motor reduction unit B15 drives the rotation of the rotating disk 13 through a gear transmission form. Through the arrangement of the motor reduction unit B15, workers do not need to rotate the rotating disk 13, reducing the manual labor intensity.

[0056] Tightening components are arranged on the rotating disk 13. Four tightening components are circumferentially and spaced apart around the central column 14 on the rotating disk 13. It can also be multiple. The more the number, the better the tightening effect and the better the fixing effect on the disk-shaped copper rope 24. The tightening components include tightening plates 16. The bottom end of the tightening plate 16 is hinged to the bottom of the central column 14, and the tightening plate 16 is connected to the central column 14 through a tightening spring 17. Through the arrangement of the tightening components, the disk-shaped copper rope 24 placed on the rotating disk 13 can be tightly fixed to prevent the disk-shaped copper rope from shifting when the rotating disk 13 rotates, providing stability.

[0057] Straightening device, the straightening device at least includes two groups of pressing wheel sets. The pressing wheel set includes a pressing wheel seat 18, and two pressing wheels 19 are arranged at intervals on the pressing wheel seat 18. Two pressing wheel shafts are slidably arranged on the pressing wheel seat 18 in the direction of approaching each other, and a pressing spring 20 is arranged between the pressing wheel shaft and the pressing wheel seat 18. The two pressing wheel sets are arranged in a straight line at one end of the wire guiding frame on the shearing seat 1, that is, the inlet end of the guiding tube 4. Through the setting of the straightening device, as the packing rope raw material exits smoothly, the pressing wheel 19 squeezes and straightens it, facilitating the movement of the packing rope raw material along the wire guiding frame towards the limiting part, and can also improve the accuracy of length measurement.

[0058] Through the setting of the feeding device, the packing rope raw material can be conveyed to the wire guiding frame. Through the setting of the limiting part, relative length positioning can be carried out on the packing rope raw material on the wire guiding frame. Through the setting of the shearing knife 2, the packing rope raw material that has been positioned on the wire guiding frame can be sheared and cut off to realize the shearing of the packing rope with a fixed length.

[0059] During use, the worker adjusts the position of the abutting plate 9 according to the required length of the packing rope. After the adjustment is completed, the position of the sliding plate 8 is fixed by tightening the bolt. The disc-shaped copper rope 24 is placed on the rotating disc 13 and tightened by the tightening assembly. The head of the copper rope 24 (packing rope raw material) is pulled through the straightening device and extends into the guiding tube 4. The motor reduction unit B15 is started, so that the rotating disc 13 drives the disc-shaped copper rope 24 to rotate. The copper rope 24 gradually disengages and moves towards the abutting plate 9. When the head of the copper rope 24 reaches the corresponding scale position, the shearing knife 2 drops to cut off the copper rope 24, completing the production of a packing rope. The copper rope 24 continues to move towards the abutting plate 9, repeating the same action to realize the continuous production of the packing rope.

[0060] Embodiment 2

[0061] Refer to Figure 3 、 4 5, 6, an adjustable shearing machine, including: a shearing device, a feeding device and a straightening device.

[0062] Shearing device, the shearing device includes a shearing mechanism. The shearing mechanism includes a shearing seat 1 and a shearing knife 2. One end of the shearing knife 2 is hinged to the shearing seat 1, and an operating handle 3 is arranged at the other end of the shearing knife 2.

[0063] A wire guiding frame for placing the packing rope raw material is fixed on the shearing seat 1 below the shearing knife 2. The wire guiding frame includes a guiding tube 4 and a guiding plate 5 connected end to end. The guiding tube 4 is located below the shearing knife 2, and a shearing notch 6 is opened in the guiding tube 4 corresponding to the position below the shearing knife 2. A shearing backing plate 7 is arranged on the shearing seat 1 below the shearing notch 6. The settings of the guiding tube 4 and the guiding plate 5 have a guiding effect on the movement of the packing rope raw material.

[0064] Compared with the above-mentioned first embodiment, in the second embodiment, a power assembly for driving the shearing knife 2 to swing is provided on the shearing base 1; the power assembly includes a motor reduction unit A21, the output shaft of the motor reduction unit A21 drives the crank 22 to rotate, and the crank 22 is hinged to the operating handle 3 through a shearing connecting rod 23. Through the setting of the power assembly, the motor reduction unit A21 drives the shearing knife 2 to reciprocate swing through the crank 22 connecting rod mechanism raw material, thereby realizing the automatic shearing of the shearing knife 2.

[0065] A limiting part is movably arranged along the length direction of the guide plate 5 at the end of the guide plate 5. The limiting part includes a sliding plate 8 slidably matched with the guide plate 5, and an abutting plate 9 is fixed at the end of the sliding plate 8; an adjusting bolt hole 10 is opened on the sliding plate 8. After the bolt is screwed into the adjusting bolt hole 10, the inner end of the bolt abuts against the guide plate 5. The abutting plate 9 is arranged at the end of the sliding plate 8. Through the sliding setting of the sliding plate 8 and the guide plate 5, the distance between the abutting plate 9 and the shearing knife 2 can be adjusted, and then the distance between the shearing notch 6 and the abutting plate 9 can be adjusted, that is, the length that the packing rope raw material can smoothly exit, realizing the change of the packing rope length.

[0066] Scales are arranged along the length direction of the guide plate 5, and scales are arranged along the length direction of the sliding plate 8. Through the setting of the scales on the sliding plate 8 and the guide plate 5, the length of the packing rope can be directly obtained, which is convenient for quickly determining the length of the packing rope and improving the accuracy of the length of the sheared packing rope.

[0067] A supporting wheel 11 is arranged at the bottom of the sliding plate 8. The setting of the supporting wheel 11 facilitates the sliding of the sliding plate 8 and ensures the supporting stability.

[0068] A feeding device is used to feed the packing rope raw material to the guide rope frame.

[0069] The feeding device includes a feeding base 12, a rotating disk 13 rotatably arranged on the feeding base 12, and a central column 14 arranged at the central position on the rotating disk 13. The disk-shaped copper rope 24 can be placed on the rotating disk 13. As the rotating disk 13 rotates, the packing rope can be smoothly exited, improving the operation convenience of workers. The central column 14 is located at the center of the disk-shaped copper rope 24 to prevent the disk-shaped copper rope 24 from falling.

[0070] A motor reduction unit B15 for driving the rotating disk 13 to rotate is arranged on the feeding base 12. The motor reduction unit B15 drives the rotating disk 13 to rotate through a gear transmission form. Through the setting of the motor reduction unit B15, workers do not need to rotate the rotating disk 13, reducing the manual labor intensity.

[0071] A tightening component is provided on the rotating disk 13. There are four tightening components distributed at intervals along the circumferential direction around the central column 14 on the rotating disk 13. It can also be multiple. The more the number, the better the tightening effect and the better the fixing effect on the disk-shaped copper rope 24. The tightening component includes a tightening plate 16. The bottom end of the tightening plate 16 is hinged to the bottom of the central column 14, and the tightening plate 16 is connected to the central column 14 through a tightening spring 17. Through the setting of the tightening component, the disk-shaped copper rope 24 placed on the rotating disk 13 can be tightened and fixed, preventing the disk-shaped copper rope from shifting when the rotating disk 13 rotates and providing stability.

[0072] The straightening device at least includes two groups of pressing wheel sets. The pressing wheel set includes a pressing wheel seat 18. Two pressing wheels 19 are arranged at intervals on the pressing wheel seat 18. The two pressing wheel shafts are slidably arranged on the pressing wheel seat 18 in the direction of approaching each other, and a pressing spring 20 is arranged between the pressing wheel shafts and the pressing wheel seat 18. The two pressing wheel sets are arranged in a straight line at one end of the wire guiding frame on the shearing seat 1, that is, the inlet end of the guiding tube 4. Through the setting of the straightening device, as the raw material of the packing rope exits, the pressing wheel 19 squeezes and straightens it, facilitating the movement of the raw material of the packing rope along the wire guiding frame towards the limiting part, and can also improve the accuracy of length measurement.

[0073] During use, the worker adjusts the position of the abutting plate 9 according to the required length of the packing rope. After the adjustment is completed, the position of the sliding plate 8 is fixed by tightening the bolt. The disk-shaped copper rope 24 is placed on the rotating disk 13 and tightened by the tightening component. The head of the copper rope 24 (raw material of the packing rope) is pulled through the straightening device and extends into the guiding tube 4. The motor reduction unit B15 is started, so that the rotating disk 13 drives the disk-shaped copper rope 24 to rotate. The copper rope 24 gradually detaches and moves towards the abutting plate 9. When the head of the copper rope 24 reaches the corresponding scale position, the motor reduction unit A21 is started, so that the motor reduction unit A21 drives the shearing knife 2 to drop and cut off the copper rope 24. Subsequently, the shearing knife 2 rises again, completing the production of one packing rope. The copper rope 24 continues to move towards the abutting plate 9, repeating the same action to realize the continuous production of the packing rope.

[0074] In the description of the present invention, it should be understood that the orientation or positional relationship indicated by terms such as "radial direction" and "circumferential direction" is based on the orientation or positional relationship shown in the drawings. It is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation to the present invention. In the description of the present invention, unless otherwise specified and limited, it should be noted that the term "connection" should be understood in a broad sense. For example, it can be a mechanical connection or an electrical connection, or it can be the communication inside two elements. It can be directly connected or indirectly connected through an intermediate medium. For those of ordinary skill in the art, the specific meaning of the above terms can be understood according to specific circumstances.

[0075] The above are only the preferred embodiments of the utility model, and are not intended to limit the utility model. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principle of the utility model shall be included within the protection scope of the utility model.

Claims

1. An adjustable shearing machine, characterized in that: include: A shearing device, the shearing device comprises a shearing mechanism, the shearing mechanism comprises a shearing seat and a shearing knife hinged on the shearing seat, a rope guide frame for placing a packing rope raw material is arranged on the shearing seat below the shearing knife, and a limiting portion is arranged at the end of the rope guide frame to move along the length direction of the rope guide frame; A feeding device is used to convey the baling rope raw materials to the rope guide frame.

2. An adjustable shearing machine according to claim 1, characterized in that: The shear seat is provided with a power assembly for driving the shear knife to swing; the power assembly includes a motor reducer unit A, the output shaft of the motor reducer unit A drives the crank to rotate, and the crank is hinged to the shear knife through a shear connecting rod.

3. The adjustable shearing machine according to claim 1, characterized in that: The rope guide frame includes a guide tube and a guide plate connected end to end, the limit part is movably arranged on the guide plate, the guide tube is located below the shearing knife, and a shearing notch is opened in the guide tube corresponding to the shearing knife, and a shearing pad is arranged on the shearing seat below the shearing notch.

4. An adjustable shearing machine according to claim 3, characterized in that: The limiting part comprises a sliding plate which is slidably matched with the guide plate, and an abutting plate is arranged at the end of the sliding plate; an adjusting bolt hole is opened on the sliding plate, and after the bolt is screwed into the adjusting bolt hole, it abuts against the guide plate.

5. An adjustable shearing machine according to claim 4, characterized in that: A scale is arranged along the length direction of the guide plate, and a scale is arranged along the length direction of the sliding plate.

6. The adjustable shearing machine according to claim 4, characterized in that: A supporting wheel is arranged at the bottom of the sliding plate.

7. The adjustable shearing machine according to claim 1, characterized in that: The feeding device comprises a feeding base, a rotating disk rotatably arranged on the feeding base, and a central column arranged at the central position of the rotating disk.

8. The adjustable shearing machine according to claim 7, characterized in that: The feeding base is provided with a motor reduction unit B for driving the rotating disk to rotate.

9. The adjustable shearing machine according to claim 7, characterized in that: The rotating disk is provided with a tightening assembly, and a plurality of the tightening assemblies are distributed at intervals along the circumferential direction around the periphery of the central column on the rotating disk. The tightening assembly includes a tightening plate, the bottom end of the tightening plate is hinged to the bottom of the central column, and the tightening plate and the central column are connected by a tightening spring.

10. The adjustable shearing machine according to claim 1, characterized in that: The shearing machine also includes a straightening device, which includes at least two groups of pressure wheel groups. The pressure wheel groups include a pressure wheel seat, on which two pressure wheels are arranged at intervals. Two pressure wheel shafts are slidably arranged on the pressure wheel seat in a direction approaching each other, and a clamping spring is arranged between the pressure wheel shaft and the pressure wheel seat. Several of the pressure wheel groups are arranged in a straight line direction at one end of the rope guide frame on the shearing seat.

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