Dividing equipment for slaughtered livestock

Abstract

The utility model belongs to the technical field of livestock slaughtering, and particularly relates to a livestock slaughtering segmentation device which comprises a segmentation device body and two first sliding grooves, the two first sliding grooves are formed in the segmentation device body, sliding blocks are connected into the first sliding grooves in a sliding mode, and a movable base is fixedly connected between the two sliding blocks. A first threaded rod rotating relative to the first sliding groove is in threaded connection with the interior of the sliding block. The driving assembly is located in the cutting equipment body and used for driving the two first threaded rods to rotate; the two second sliding grooves are symmetrically formed in the movable base, a pressing plate is connected between the two second sliding grooves in a sliding mode, and two second threaded rods in threaded connection with the pressing plate are rotationally connected into the two second sliding grooves correspondingly; the livestock cutting machine solves the problems that when a cutting machine is used, slaughtered livestock needs to be manually pressed with hands, then the slaughtered livestock is pushed to be cut, a large amount of physical strength of a user is consumed, and long-time work is not facilitated in the cutting mode.

Description

Technical Field

[0001] The utility model belongs to the technical field of livestock slaughtering, and in particular relates to a livestock cutting device after slaughtering. Background Art

[0002] The livestock segmentation equipment is a kind of equipment specially used for accurately segmenting the slaughtered livestock. It can cut the various parts of the livestock in detail to meet the different processing requirements of different parts.

[0003] For example, a Chinese patent with publication number CN219844823U discloses a pig slaughtering and dividing machine, including a main body base, a motor is fixedly installed on the top outer surface of the main body base, push rods are fixedly installed on the front and rear ends of the sliding block, and a connecting pipe is fixedly installed on one end of the front push rod, and handles are fixedly installed on both ends of the connecting pipe, and protective short plates are fixedly installed on the outer surface of the push rod, and protective long plates are fixedly installed on both ends of the protective short plates, one end of the protective long plate is connected to a protective horizontal plate, and one end of the protective horizontal plate is connected to a protective vertical plate, and a sliding groove is provided on the outer surface of the main body base, and the sliding block slides on the top of the main body base by pushing the handle, and then the pork is placed on the top outer surface of the sliding block, so that the pork can be cut, and the push rod can keep people away from the saw blade, thereby improving the safety of the utility model.

[0004] The above patent has the following problems:

[0005] This patent has some disadvantages when used, such as: when using the above-mentioned splitting machine, it is necessary to manually press the slaughtered livestock by hand, and then push the slaughtered livestock to split. This splitting method consumes a lot of physical strength of the user and is not conducive to long-term work. In view of this, we propose a post-slaughter livestock splitting device. Utility Model Content

[0006] The purpose of the utility model is to provide a livestock cutting device after slaughtering, so as to solve the problems raised in the above background technology.

[0007] In view of this, the utility model provides a livestock post-slaughter cutting device, comprising:

[0008] A splitting device body and two first slide grooves, wherein the two first slide grooves are provided on the splitting device body, a slider is slidably connected in the first slide groove, a movable base is fixedly connected between the two sliders, and a first threaded rod is threadedly connected in the slider to rotate with the first slide groove;

[0009] A driving assembly, the driving assembly is located in the body of the segmentation device and is used to drive the two first threaded rods to rotate;

[0010] Two second slide grooves, the two second slide grooves are symmetrically arranged on the mobile base, a pressing plate is slidably connected between the two second slide grooves, and two second threaded rods threadedly connected to the pressing plate are rotatably connected in the two second slide grooves;

[0011] The rotating assembly is located in the mobile base and is used to drive the two second threaded rods to rotate.

[0012] Based on the above structure, by setting the first slide groove and slider, it is ensured that the slider can slide in the first slide groove, and by setting the driving assembly, movable base and first threaded rod, it is ensured that the user can drive the two first threaded rods to rotate through the driving assembly, so that the two slides are respectively acted upon by the threads of the two first threaded rods to drive the movable base to move, and by setting the second slide groove and pressure plate, it is ensured that the pressure plate can slide between the two second slide grooves, and by setting the rotating assembly and the second threaded rod, it is ensured that the user can drive the two second threaded rods to rotate through the rotating assembly, so that the pressure plate is acted upon by the threads of the two second threaded rods to move up and down.

[0013] In the above technical solution, further, the driving component includes:

[0014] A movable groove, the movable groove is provided in the body of the segmentation device and is connected to the two first slide grooves, two first sprockets are rotatably connected in the movable groove, and one end of the two first sprockets passes through the inner wall of the movable groove and extends into the two first slide grooves respectively and is fixed to one end of the two first threaded rods, a second sprocket is rotatably connected in the movable groove, and a chain is meshed between the second sprocket and the two first sprockets;

[0015] The motor slot is arranged on the inner wall of the movable slot, a motor is fixedly connected in the motor slot, and an output shaft of the motor passes through the inner wall of the motor slot and extends into the movable slot to be fixed with the second sprocket.

[0016] In this technical solution, it is ensured that the slaughtered livestock can be clamped and fixed on the mobile base so as to be unable to move, and there is no need for the user to manually press and fix it.

[0017] In the above technical solution, further, one end of the first sprocket is rotatably connected to the first sliding groove, and the output shaft of the motor is rotatably connected to the movable groove.

[0018] In the technical solution, it is ensured that one end of the first sprocket can rotate normally in the first sliding groove, and it is ensured that the output shaft of the motor can rotate normally in the movable groove.

[0019] In the above technical solution, further, the rotating assembly includes:

[0020] A first gear groove, the first gear groove is arranged in the movable base, two second gear grooves are symmetrically arranged on the inner wall of the first gear groove, and the two second gear grooves are respectively connected with the two second slide grooves, a first bevel gear is rotatably connected in the first gear groove, two second bevel gears are meshed on the first bevel gear, and the two second bevel gears are located in the first gear groove and are rotatably connected to the first gear groove, two ends of the two second bevel gears extend into the two second gear grooves and are rotatably connected to the two motor grooves, one end of the two second bevel gears are respectively fixedly connected with two third bevel gears, a fourth bevel gear is meshed on one side of the third bevel gear, and one end of the fourth bevel gear passes through the inner wall of the second gear groove and extends into the second slide groove and is fixed to one end of the second threaded rod;

[0021] A rotation groove is provided on the inner wall of the first gear groove, a through groove communicating with the outside is provided on the inner wall of the rotation groove, a worm wheel is rotatably connected in the rotation groove, and a worm is meshed with one side of the worm wheel and rotates with the through groove.

[0022] In this technical solution, it is ensured that the user does not need to manually push the slaughtered livestock for cutting.

[0023] In the above technical solution, further, the third bevel gear is located in the second gear groove and is rotationally connected to the second gear groove, and the fourth bevel gear is located in the second gear groove and is rotationally connected to the second gear groove.

[0024] In the technical solution, it is ensured that the third bevel gear can rotate normally in the second gear groove, and it is ensured that the fourth bevel gear can rotate normally in the second gear groove.

[0025] In the above technical solution, further, one end of the fourth bevel gear is rotatably connected to the second sliding groove.

[0026] In this technical solution, it is ensured that one end of the fourth bevel gear can rotate normally in the second sliding groove.

[0027] The beneficial effects of the utility model are:

[0028] The livestock cutting device ensures that the slider can slide in the first slide groove by means of the first slide groove and the slider, ensures that the user can drive the two first threaded rods to rotate by means of the driving assembly, the movable base and the first threaded rod, and ensures that the two sliders can respectively be driven by the threads of the two first threaded rods to drive the movable base to move. The second slide groove and the pressure plate ensure that the pressure plate can slide between the two second slide grooves by means of the rotating assembly and the second threaded rod, and ensures that the user can drive the two second threaded rods to rotate by means of the rotating assembly and the pressure plate can be moved up and down by means of the threads of the two second threaded rods. The problem that when the cutting machine is in use, a person needs to manually press the slaughtered livestock by hand and then push the slaughtered livestock to cut is solved, and that this cutting method consumes a lot of physical strength of the user and is not conducive to long-term work. BRIEF DESCRIPTION OF THE DRAWINGS

[0029] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0030] Figure 2 This is one of the internal structure diagrams of the cutting device body of the utility model;

[0031] Figure 3 It is a schematic cross-sectional structure diagram of the main body of the cutting device of the utility model;

[0032] Figure 4 This is the second schematic diagram of the internal structure of the cutting device body of the utility model;

[0033] Figure 5 It is a schematic diagram of the regional structure of the mobile base of the utility model;

[0034] Figure 6 It is a schematic diagram of the internal structure of the mobile base of the utility model.

[0035] The symbols in the figure are:

[0036] 1. Cutting equipment body; 2. First slide groove; 3. Sliding block; 4. Moving base; 5. First threaded rod; 6. Second slide groove; 7. Pressing plate; 8. Second threaded rod; 9. Movable groove; 10. First sprocket; 11. Second sprocket; 12. Chain; 13. Motor groove; 14. Motor; 15. First gear groove; 16. Second gear groove; 17. First bevel gear; 18. Second bevel gear; 19. Third bevel gear; 20. Fourth bevel gear; 21. Rotating groove; 22. Through groove; 23. Worm wheel; 24. Worm. DETAILED DESCRIPTION

[0037] The following will be combined with the drawings in the embodiments of the present application to clearly describe the technical solutions in the embodiments of the present application. Obviously, the described embodiments are part of the embodiments of the present application, rather than all the embodiments. All other embodiments obtained by ordinary technicians in this field based on the embodiments in the present application belong to the scope of protection of this application.

[0038] In the description of the present application, it should be noted that the terms used herein are only for describing specific embodiments, and are not intended to limit the exemplary embodiments according to the present application. For ease of description, the sizes of the various parts shown in the drawings are not drawn according to the actual proportional relationship. The technology, methods and equipment known to ordinary technicians in the relevant field may not be discussed in detail, but in appropriate cases, the technology, methods and equipment should be regarded as part of the authorization specification. In all examples shown and discussed here, any specific value should be interpreted as merely exemplary, rather than as a limitation. Therefore, other examples of the exemplary embodiments may have different values. It should be noted that similar numbers and letters represent similar items in the following drawings, so once an item is defined in one drawing, it does not need to be further discussed in subsequent drawings.

[0039] It should be noted that the terms "first", "second", etc. in the specification and claims of the present application are used to distinguish similar objects, and are not used to describe a specific order or sequence. It should be understood that the data used in this way can be interchangeable under appropriate circumstances, so that the embodiments of the present application can be implemented in an order other than those illustrated or described here, and the objects distinguished by "first", "second", etc. are generally of one type, and the number of objects is not limited. For example, the first object can be one or more. In addition, "and / or" in the specification and claims represents at least one of the connected objects, and the character " / " generally indicates that the objects associated with each other are in an "or" relationship.

[0040] It should be noted that, in the description of the present application, the orientation or positional relationship indicated by terms such as "front, back, up, down, left, right", "lateral, vertical, perpendicular, horizontal" and "top, bottom" are usually based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description. Unless otherwise stated, these orientation words 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, and therefore cannot be understood as limiting the scope of protection of the present application; the orientation words "inside and outside" refer to the inside and outside relative to the contour of each component itself.

[0041] It should be noted that, in the present application, the terms "comprise", "include" or any other variant thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, an element defined by the sentence "comprises one..." does not exclude the presence of other identical elements in the process, method, article or device including the element. In addition, it should be noted that the scope of the method and device in the embodiment of the present application is not limited to performing functions in the order shown or discussed, and may also include performing functions in a substantially simultaneous manner or in reverse order according to the functions involved, for example, the described method may be performed in an order different from that described, and various steps may also be added, omitted, or combined. In addition, the features described with reference to certain examples may be combined in other examples.

[0042] Embodiment 1:

[0043] See also Figure 1 - Figure 6 As shown, this embodiment provides a livestock post-slaughter cutting device, comprising:

[0044] A splitting device body 1 and two first slide grooves 2, the two first slide grooves 2 are arranged on the splitting device body 1, a slider 3 is slidably connected in the first slide groove 2, a movable base 4 is fixedly connected between the two sliders 3, and a first threaded rod 5 that rotates with the first slide groove 2 is threadedly connected in the slider 3;

[0045] A driving assembly, which is located in the cutting device body 1 and is used to drive the two first threaded rods 5 to rotate;

[0046] Two second slide grooves 6, the two second slide grooves 6 are symmetrically arranged on the movable base 4, a pressing plate 7 is slidably connected between the two second slide grooves 6, and two second threaded rods 8 threadedly connected to the pressing plate 7 are rotatably connected in the two second slide grooves 6;

[0047] The rotating assembly is located in the movable base 4 and is used to drive the two second threaded rods 8 to rotate.

[0048] Embodiment 2:

[0049] This embodiment provides a livestock post-slaughter cutting device, which, in addition to the technical solutions of the above embodiments, also has the following technical features, and the driving component includes:

[0050] A movable groove 9 is provided in the dividing device body 1 and is connected to the two first slide grooves 2. Two first sprocket wheels 10 are rotatably connected in the movable groove 9, and one end of the two first sprocket wheels 10 passes through the inner wall of the movable groove 9 and extends into the two first slide grooves 2 respectively and is fixed to one end of the two first threaded rods 5. A second sprocket wheel 11 is rotatably connected in the movable groove 9, and a chain 12 is meshed between the second sprocket wheel 11 and the two first sprocket wheels 10;

[0051] The motor slot 13 is provided on the inner wall of the movable slot 9 , a motor 14 is fixedly connected in the motor slot 13 , and an output shaft of the motor 14 passes through the inner wall of the motor slot 13 and extends into the movable slot 9 to be fixed to the second sprocket 11 .

[0052] When in use, the user places the slaughtered livestock on the mobile base 4 and puts it in a suitable position, and then the user rotates the worm 24 by hand, so that the worm 24 drives the worm wheel 23 to rotate in the rotating groove 21. When the worm wheel 23 rotates, the worm wheel 23 drives the first bevel gear 17 to rotate in the first gear groove 15, and the first bevel gear 17 drives the two second bevel gears 18 to rotate in the first gear groove 15. When the two second bevel gears 18 rotate, one end of the two second bevel gears 18 drives the two third bevel gears 19 to rotate in the two second gear grooves 16 respectively. When the two third bevel gears 19 rotate, the two third bevel gears 19 will respectively drive the two fourth bevel gears 20 to rotate, so that the two fourth bevel gears 20 drive the two second threaded rods 8 to rotate in the two second slide grooves 6 respectively. When the two second threaded rods 8 rotate, the pressing plate 7 will be moved toward the direction of the slaughtered livestock by the action of the threads of the two second threaded rods 8. When the pressing plate 7 moves to a suitable position, the slaughtered livestock will be fixed by the pressing plate 7, ensuring that the slaughtered livestock can be clamped and fixed on the mobile base 4 and cannot move, without the need for the user to manually press and fix it.

[0053] Embodiment 3:

[0054] This embodiment provides a livestock post-slaughter cutting device, which, in addition to the technical solutions of the above-mentioned embodiments, also has the following technical features: one end of the first sprocket 10 is rotatably connected to the first slide groove 2, and the output shaft of the motor 14 is rotatably connected to the movable groove 9.

[0055] Here, it is ensured that one end of the first sprocket 10 can rotate normally in the first sliding groove 2 , and it is ensured that the output shaft of the motor 14 can rotate normally in the movable groove 9 .

[0056] Embodiment 4:

[0057] This embodiment provides a livestock post-slaughter cutting device, which, in addition to the technical solutions of the above embodiments, also has the following technical features, and the rotating assembly includes:

[0058] A first gear groove 15, the first gear groove 15 is provided in the movable base 4, two second gear grooves 16 are symmetrically provided on the inner wall of the first gear groove 15, and the two second gear grooves 16 are respectively communicated with the two second slide grooves 6, a first bevel gear 17 is rotatably connected in the first gear groove 15, two second bevel gears 18 are meshed on the first bevel gear 17, and the two second bevel gears 18 are located in the first gear groove 15 and are rotatably connected to the first gear groove 15, two ends of the two second bevel gears 18 extend into the two second gear grooves 16 respectively and are rotatably connected to the two motor grooves 13, one end of the two second bevel gears 18 are respectively fixedly connected with two third bevel gears 19, a fourth bevel gear 20 is meshed on one side of the third bevel gear 19, and one end of the fourth bevel gear 20 passes through the inner wall of the second gear groove 16 and extends into the second slide groove 6 and is fixed to one end of the second threaded rod 8;

[0059] The rotating groove 21 is provided on the inner wall of the first gear groove 15 . A through groove 22 communicating with the outside is provided on the inner wall of the rotating groove 21 . A worm wheel 23 is rotatably connected in the rotating groove 21 . A worm 24 is meshed with one side of the worm wheel 23 and rotates with the through groove 22 .

[0060] Among them, the user starts the motor 14, and the output end of the motor 14 drives the second sprocket 11 to rotate in the movable groove 9. When the second sprocket 11 rotates, the second sprocket 11 will drive the two first sprockets 10 to rotate in the movable groove 9 through the chain 12. When the two first sprockets 10 rotate, one end of the two first sprockets 10 will drive the two first threaded rods 5 to rotate in the two first slide grooves 2 respectively. When the two first threaded rods 5 rotate, the two sliders 3 will be respectively affected by the threads of the two first threaded rods 5 and move along the two first slide grooves 2 respectively, so that the two sliders 3 drive the movable base 4 to move in the direction of the cutting machine on the cutting equipment body 1, ensuring that the user does not need to manually push the slaughtered livestock for cutting.

[0061] Embodiment 5:

[0062] The present embodiment provides a livestock post-slaughter cutting device, which, in addition to the technical solutions of the above-mentioned embodiments, also has the following technical features: the third bevel gear 19 is located in the second gear groove 16 and is rotatably connected to the second gear groove 16; the fourth bevel gear 20 is located in the second gear groove 16 and is rotatably connected to the second gear groove 16.

[0063] Herein, it is ensured that the third bevel gear 19 can rotate normally in the second gear groove 16 , and it is ensured that the fourth bevel gear 20 can rotate normally in the second gear groove 16 .

[0064] Embodiment 6:

[0065] This embodiment provides a livestock post-slaughter cutting device, which, in addition to the technical solutions of the above embodiments, also has the following technical features: one end of the fourth bevel gear 20 is rotatably connected to the second slide groove 6.

[0066] Here, it is ensured that one end of the fourth bevel gear 20 can rotate normally in the second sliding groove 6 .

[0067] When in use, the user places the slaughtered livestock on the mobile base 4 and puts it to a suitable position, and then the user rotates the worm 24 by hand, so that the worm 24 drives the worm wheel 23 to rotate in the rotating groove 21. When the worm wheel 23 rotates, the worm wheel 23 will drive the first bevel gear 17 to rotate in the first gear groove 15, and the first bevel gear 17 drives the two second bevel gears 18 to rotate in the first gear groove 15. When the two second bevel gears 18 rotate, one end of the two second bevel gears 18 will drive the two third bevel gears 19 to rotate in the two second gear grooves 16 respectively. When the two third bevel gears 19 rotate, the two third bevel gears 19 will respectively drive the two fourth bevel gears 20 to rotate, and the two fourth bevel gears 20 will drive the two second threaded rods 8 to rotate in the two second slide grooves 6 respectively. When the two second threaded rods 8 rotate, the pressing plate 7 will be affected by the threads of the two second threaded rods 8 to move toward the slaughtered livestock. The two sliders 3 drive the mobile base 4 to move toward the direction of the livestock, and when the pressing plate 7 moves to a suitable position, the slaughtered livestock will be fixed by the pressing plate 7, ensuring that the slaughtered livestock can be clamped and fixed on the mobile base 4 and cannot move. Then the user starts the motor 14, and the output end of the motor 14 drives the second sprocket 11 to rotate in the movable groove 9. When the second sprocket 11 rotates, the second sprocket 11 will drive the two first sprockets 10 to rotate in the movable groove 9 through the chain 12. When the two first sprockets 10 rotate, one end of the two first sprockets 10 will drive the two first threaded rods 5 to rotate in the two first slide grooves 2 respectively. When the two first threaded rods 5 rotate, the two sliders 3 will be respectively affected by the threads of the two first threaded rods 5 and move along the two first slide grooves 2 respectively, allowing the two sliders 3 to drive the mobile base 4 to move in the direction of the cutting machine on the cutting equipment body 1, ensuring that the user does not need to manually push the slaughtered livestock for cutting.

[0068] The embodiments of the present application are described above in conjunction with the accompanying drawings. In the absence of conflict, the embodiments in the present application and the features in the embodiments can be combined with each other. The present application is not limited to the above-mentioned specific implementation methods. The above-mentioned specific implementation methods are merely illustrative and not restrictive. Under the guidance of the present application, ordinary technicians in this field can also make many forms without departing from the purpose of the present application and the scope of protection of the claims, all of which are within the protection of the present application.

Claims

1. A livestock cutting device after slaughter, characterized in that: include: A splitting device body (1) and two first slide grooves (2), wherein the two first slide grooves (2) are arranged on the splitting device body (1), a slider (3) is slidably connected in the first slide groove (2), a movable base (4) is fixedly connected between the two sliders (3), and a first threaded rod (5) is internally threadedly connected to the slider (3) and is rotatable with the first slide groove (2); A driving assembly, the driving assembly being located in the cutting device body (1) and being used to drive the two first threaded rods (5) to rotate; Two second slide grooves (6), the two second slide grooves (6) are symmetrically arranged on the movable base (4), a pressing plate (7) is slidably connected between the two second slide grooves (6), and two second threaded rods (8) threadedly connected to the pressing plate (7) are rotatably connected in the two second slide grooves (6); A rotating assembly is located in the mobile base (4) and is used to drive the two second threaded rods (8) to rotate.

2. The livestock cutting equipment after slaughter according to claim 1, characterized in that: The drive assembly comprises: A movable groove (9), wherein the movable groove (9) is provided in the dividing device body (1) and is connected to the two first slide grooves (2); two first sprocket wheels (10) are rotatably connected in the movable groove (9); one end of the two first sprocket wheels (10) penetrates the inner wall of the movable groove (9) and extends into the two first slide grooves (2) respectively to be fixed to one end of the two first threaded rods (5); a second sprocket wheel (11) is rotatably connected in the movable groove (9); a chain (12) is meshed between the second sprocket wheel (11) and the two first sprocket wheels (10); A motor slot (13) is provided on the inner wall of the movable slot (9), a motor (14) is fixedly connected in the motor slot (13), and an output shaft of the motor (14) passes through the inner wall of the motor slot (13) and extends into the movable slot (9) to be fixed to the second sprocket (11).

3. The livestock cutting equipment after slaughter according to claim 2, characterized in that: One end of the first sprocket (10) is rotationally connected to the first sliding groove (2), and the output shaft of the motor (14) is rotationally connected to the movable groove (9).

4. The livestock cutting equipment after slaughter according to claim 1, characterized in that: The rotating assembly comprises: A first gear groove (15), wherein the first gear groove (15) is provided in the movable base (4), two second gear grooves (16) are symmetrically provided on the inner wall of the first gear groove (15), and the two second gear grooves (16) are respectively connected to the two second slide grooves (6), a first bevel gear (17) is rotatably connected in the first gear groove (15), two second bevel gears (18) are meshed on the first bevel gear (17), and the two second bevel gears (18) are located in the first gear groove (15) and are meshed with the first gear groove (15). The wheel groove (15) is rotatably connected, the two ends of the two second bevel gears (18) respectively extend into the two second gear grooves (16) and are rotatably connected to the two motor grooves (13), one end of the two second bevel gears (18) is respectively fixedly connected to two third bevel gears (19), one side of the third bevel gear (19) is meshed with a fourth bevel gear (20), and one end of the fourth bevel gear (20) penetrates the inner wall of the second gear groove (16) and extends into the second slide groove (6) and is fixed to one end of the second threaded rod (8); A rotating groove (21), the rotating groove (21) is formed on the inner wall of the first gear groove (15), a through groove (22) communicating with the outside is formed on the inner wall of the rotating groove (21), a worm wheel (23) is rotatably connected in the rotating groove (21), and a worm (24) is meshed with one side of the worm wheel (23) and rotates with the through groove (22).

5. The livestock post-slaughter cutting device according to claim 4, characterized in that: The third bevel gear (19) is located in the second gear groove (16) and is rotationally connected to the second gear groove (16), and the fourth bevel gear (20) is located in the second gear groove (16) and is rotationally connected to the second gear groove (16).

6. The livestock post-slaughter cutting device according to claim 4, characterized in that: One end of the fourth bevel gear (20) is rotatably connected to the second sliding groove (6).

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