Cutting device

Abstract

The utility model provides a cutting device, which is arranged above a conveying line, the conveying line is used for conveying products to be cut, the cutting device comprises a rotating shaft, a cutting device, a cutting device and a cutting device, the rotating shaft and the conveying line are arranged at an interval; heating pieces are laid on the cutting knives, the number of the cutting knives is at least two, and the at least two cutting knives are arranged on the rotating shaft in the circumferential direction of the rotating shaft at intervals; the rotating shaft is rotatably arranged so that the at least two cutting knives can make contact with the product alternately. According to the cutting device, the technical problem that in the related technology, the cutting efficiency of a cutting device is poor is solved.

Description

Technical Field

[0001] The utility model relates to the technical field of tire production, in particular to a cutting device. Background Art

[0002] The inner liner of the tire is located on the innermost surface of the tire and can generally be divided into two layers: the airtight layer and the transition layer. The airtight layer is used to prevent the tire from leaking, while the transition layer is used to fit the carcass cord.

[0003] In the production of tire inner liner, it is necessary to cut to length. In the prior art, a rotary cutting device with electric heating is generally used. This cutting device is a great improvement over traditional manual cutting, which avoids workers from being burned, shortens the cutting time, and improves the cutting accuracy and stability. However, this cutting device has the following problems: the rotating shaft of the cutting device can only cut the tire inner liner once per rotation, resulting in poor cutting efficiency of the cutting device.

[0004] Therefore, the prior art needs to be further developed. Utility Model Content

[0005] The purpose of the utility model is to overcome the above technical deficiencies and provide a cutting device to solve the technical problem of poor cutting efficiency of the cutting device in the related art.

[0006] In order to achieve the above technical purpose, the utility model adopts the following technical scheme: a cutting device is provided, which is arranged above a conveyor line, and the conveyor line is used to convey the product to be cut. The cutting device includes: a rotating shaft, which is arranged at intervals from the conveyor line; a cutting knife, on which a heating plate is laid, and the cutting knife includes at least two, and at least two cutting knives are arranged on the rotating shaft at intervals along the circumferential direction of the rotating shaft; the rotating shaft is rotatably arranged so that at least two cutting knives alternately contact the product.

[0007] Furthermore, the cutting device includes a fixing component, which is used to fix the cutting knife on the rotating shaft, and the fixing component includes: a sleeve, which is sleeved on the rotating shaft; a fixing plate, which is fixedly connected to the sleeve; wherein the fixing plates include at least two, at least two fixing plates are arranged in a one-to-one correspondence with the at least two cutting knives, and each fixing plate is fixedly provided with each cutting knife, and at least two fixing plates are arranged on the sleeve at intervals along the circumferential direction of the rotating shaft; and a pressing plate, which includes at least two, at least two pressing plates are arranged in a one-to-one correspondence with the at least two cutting knives, and each pressing plate is connected to a side of each cutting knife away from each fixing plate.

[0008] Furthermore, the heating plates include multiple ones; a first accommodating groove is provided on a side of each pressing plate close to each cutting knife, and a second accommodating groove is provided on a side of each fixing plate close to each cutting knife, and the first accommodating groove and the second accommodating groove are used to accommodate multiple heating plates; the cutting device includes a conductive slip ring, which is sleeved on a rotating shaft and electrically connected to the multiple heating plates.

[0009] Further, at least two cutting knives extend along the radial direction of the rotating shaft.

[0010] Further, the at least two cutting knives include a first cutting knife and a second cutting knife, and the extending direction of the first cutting knife and the extending direction of the second cutting knife are located on the same straight line.

[0011] Furthermore, the cutting device includes: a proximity switch, which is arranged at an interval with the rotating shaft; a first positioning device, which is located on the rotating shaft and protrudes from the rotating shaft, the first positioning device is arranged corresponding to the proximity switch, and the extension direction of the first positioning device is the same as the extension direction of the first cutting knife; a second positioning device, which is located on the rotating shaft and protrudes from the rotating shaft, the second positioning device is arranged corresponding to the proximity switch, and the extension direction of the second positioning device is the same as the extension direction of the second cutting knife.

[0012] Furthermore, the conveyor line includes a conveyor belt and conveyor belt side plates arranged on both sides of the conveyor belt, and the conveyor belt carries products. The cutting device includes: a mounting frame, a rotating shaft is rotatably mounted on the mounting frame, and the mounting frame is fixedly mounted on the conveyor belt side plates; a cutting base, the cutting base includes a cutting bottom plate, the cutting bottom plate contacts the back side of the conveyor belt, and the cutting bottom plate is movably connected to the conveyor belt side plates; a protective cover, the protective cover is arranged above the rotating shaft and at least two cutting knives.

[0013] Furthermore, the cutting base includes: a fixed base, the fixed base includes a first connecting plate and a second connecting plate that are perpendicular to each other, the first connecting plate is fixedly connected to the conveyor belt side plate, and the second connecting plate is spaced apart from the cutting base plate: a first connecting rod, one end of the first connecting rod is fixedly set on the cutting base plate, the other end of the first connecting rod is movably connected to the second connecting plate, an elastic member is sleeved on the first connecting rod, one end of the elastic member is connected to the cutting base plate, and the other end of the elastic member is connected to the second connecting plate, and the first connecting rod includes at least two; a second connecting rod, one end of the second connecting rod is fixedly set on the cutting base plate, the other end of the second connecting rod is movably connected to the second connecting plate, and a nut is connected to the second connecting rod, and the nut is used to limit the elastic member.

[0014] Furthermore, the fixing seats include two, and the two fixing seats are respectively connected to two ends of the cutting base plate.

[0015] Furthermore, the mounting frames include two, the two mounting frames are respectively connected to the two ends of the rotating shaft, and the mounting frames each include: a mounting plate, the mounting plate includes a mounting hole for the rotating shaft to pass through; a bearing, the bearing is arranged corresponding to the mounting hole, and the rotating shaft passes through the bearing and the mounting hole at the same time.

[0016] Beneficial effects:

[0017] 1. By providing at least two cutting knives and a heating plate, the cutting knives can quickly cut the product during the rotation of the rotating shaft. After the rotating shaft rotates one circle, the product can be cut at least twice, thereby improving the cutting efficiency of the cutting device in this embodiment and solving the technical problem of poor cutting efficiency of the cutting device in the related art.

[0018] 2. At least two cutting knives cut the product alternately in a clockwise direction (or counterclockwise direction) with the rotating axis as the center. The cutting speed and the cutting angle of the cutting knives are the same during each cutting, thus ensuring the cutting quality and product output stability.

[0019] 3. By setting up a cutting base, the conveyor belt and the product are located between the cutting knife and the cutting base plate. When the cutting knife cuts the product, as the cutting knife contacts and pushes the product and the cutting base plate, the cutting base plate can move downward to avoid the conveyor belt being cut off due to rigid stress. A buffering effect can be achieved by setting up a movable cutting base plate. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a schematic diagram of the structure of the rotating shaft of the cutting device used in the embodiment of the utility model;

[0021] Figure 2 It is a schematic structural diagram of a mounting frame of a cutting device used in an embodiment of the utility model;

[0022] Figure 3 It is a schematic diagram of the structure of the fixing part of the cutting device used in the embodiment of the utility model;

[0023] Figure 4 It is a schematic structural diagram of a cutting base of a cutting device used in an embodiment of the utility model;

[0024] Figure 5 yes Figure 4 A magnified view of point A in FIG.

[0025] Figure 6 It is a schematic structural diagram of a protective cover of a cutting device used in an embodiment of the utility model.

[0026] The above drawings include the following reference numerals:

[0027] 10. Conveyor line; 101. Conveyor belt; 102. Conveyor belt side plate; 1. Rotating shaft; 2. Cutting knife; 21. First cutting knife; 22. Second cutting knife; 3. Heating plate; 4. Fixing component; 41. Bushing; 42. Fixing plate; 421. Second accommodating groove; 43. Pressing plate; 431. First accommodating groove; 5. Conductive slip ring; 61. Proximity switch; 62. First positioning device; 63. Second positioning device; 7. Mounting frame; 71. Mounting plate; 711. Mounting hole; 72. Bearing; 8. Cutting base; 81. Cutting bottom plate; 82. Fixing seat; 821. First connecting plate; 822. Second connecting plate; 83. First connecting rod; 831. Elastic member; 84. Second connecting rod; 9. Protective cover. DETAILED DESCRIPTION

[0028] In order to enable those skilled in the art to better understand the solution of the present application, the technical solution in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in this field without creative work should fall within the scope of protection of the present application.

[0029] According to an embodiment of the present invention, a cutting device is provided. Figures 1 to 6 , including: a cutting device is arranged above a conveyor line 10, the conveyor line 10 is used to convey the product to be cut, the cutting device includes: a rotating shaft 1, the rotating shaft 1 and the conveyor line 10 are arranged at intervals; a cutting knife 2, a heating plate 3 is laid on the cutting knife 2, the cutting knife 2 includes at least two, at least two cutting knives 2 are arranged on the rotating shaft 1 at intervals along the circumferential direction of the rotating shaft 1; the rotating shaft 1 is rotatably arranged so that at least two cutting knives 2 alternately contact with the product. By arranging at least two cutting knives 2 and a heating plate 3, at least two cutting knives 2 are arranged on the rotating shaft 1 at intervals along the circumferential direction of the rotating shaft 1, and the cutting knives 2 are heated by the heating plate 3, so that the cutting knives 2 can quickly cut the product during the rotation of the rotating shaft 1. After the rotating shaft 1 rotates one circle, the product can be cut at least twice, thereby improving the cutting efficiency of the cutting device in this embodiment. In addition, at least two cutting knives 2 alternately cut the product in a clockwise direction (or counterclockwise direction) with the rotating shaft 1 as the center, and the cutting speed and the cutting angle of the cutting knives in each cutting are the same, thereby ensuring the cutting quality and the output stability of the product, and solving the technical problem of poor cutting efficiency of the cutting device in the related art.

[0030] Specifically, the cutting device includes a motor, which is drivingly connected to the rotating shaft 1 .

[0031] Specifically, the heating sheet 3 is preferably a mica heating sheet, which can output heat continuously after being powered on, so that the cutting blade 2 is heated to about 110° C. and kept warm.

[0032] In the cutting device of this embodiment, see Figure 2 The cutting device includes a fixing component 4, which is used to fix the cutting blade 2 on the rotating shaft 1. The fixing component 4 includes: a sleeve 41, which is sleeved on the rotating shaft 1; a fixing plate 42, which is fixedly connected to the sleeve 41; wherein the fixing plates 42 include at least two, at least two fixing plates 42 are arranged one-to-one with at least two cutting blades 2, and each fixing plate 42 is fixedly arranged with each cutting blade 2, and at least two fixing plates 42 are arranged on the sleeve 41 at intervals along the circumferential direction of the rotating shaft 1; and a pressing plate 43, which includes at least two, at least two pressing plates 43 are arranged one-to-one with at least two cutting blades 2, and each pressing plate 43 is connected to a side of each cutting blade 2 away from each fixing plate 42. Through the above arrangement, the cutting blade 2 is sandwiched between the fixing plate 42 and the pressing plate 43 to achieve the purpose of fixing the cutting blade 2 and the heating plate 3.

[0033] Specifically, the ends of the fixing plate 42 and the pressing plate 43 are provided with installation notches for disassembling and assembling the heating plate 3 .

[0034] In the cutting device of this embodiment, see Figure 3 The heating plates 3 include multiple ones; each pressing plate 43 is provided with a first receiving groove 431 on one side close to each cutting knife 2, and each fixing plate 42 is provided with a second receiving groove 421 on one side close to each cutting knife 2, and the first receiving groove 431 and the second receiving groove 421 are used to receive multiple heating plates 3; the cutting device includes a conductive slip ring 5, which is sleeved on the rotating shaft 1 and is electrically connected to the multiple heating plates 3. Through the above arrangement, both sides of the cutting knife 2 are connected to the heating plate 3, so as to ensure the cutting temperature and cutting efficiency of the cutting knife 2.

[0035] By providing the conductive slip ring 5 , it is possible to prevent the connecting wires of the heating plate 3 from being entangled by the rotating shaft 1 during the rotating process.

[0036] In the cutting device of this embodiment, see Figure 2 At least two cutting knives 2 extend along the radial direction of the rotating shaft 1. This ensures that the cutting device has a maximum cutting radius and improves the cutting efficiency of the cutting device.

[0037] In the cutting device of this embodiment, see Figure 2, at least two cutting knives 2 include a first cutting knife 21 and a second cutting knife 22, and the extension direction of the first cutting knife 21 and the extension direction of the second cutting knife 22 are located on the same straight line. Specifically, the central angle formed between the first cutting knife 21 and the second cutting knife 22 is 180°, and the product can be cut twice during the rotation of the rotating shaft 1.

[0038] In the cutting device of this embodiment, see Figure 2 The cutting device includes: a proximity switch 61, which is arranged at a distance from the rotating shaft 1; a first positioning device 62, which is located on the rotating shaft 1 and protrudes from the rotating shaft 1, and is arranged corresponding to the proximity switch 61, and the extension direction of the first positioning device 62 is the same as the extension direction of the first cutting knife 21; a second positioning device 63, which is located on the rotating shaft 1 and protrudes from the rotating shaft 1, and is arranged corresponding to the proximity switch 61, and the extension direction of the second positioning device 63 is the same as the extension direction of the second cutting knife 22. By setting the proximity switch 61 and the first positioning device 62 and the second positioning device 63, when the proximity switch 61 senses that the first positioning device 62 or the second positioning device 63 is approaching, the proximity switch 61 is triggered, so that the rotating shaft 1 stops rotating, and at this time, the first cutting knife 21 and the second cutting knife 22 are parallel to the conveying line 10, so that the cutting knife is in a waiting position, waiting for the next cutting. After receiving the cutting instruction, the rotating shaft 1 continues to rotate.

[0039] Specifically, the first positioning device 62 and the second positioning device 63 are fixedly arranged on the positioning sleeve on the rotating shaft. The first positioning device 62 and the second positioning device 63 are arranged corresponding to the first cutting knife 21 and the second cutting knife 22. As the rotating shaft 1 rotates, the first positioning device 62 and the second positioning device 63 alternately approach the proximity switch 61 to obtain the position information of the first cutting knife 21 and the second cutting knife 22. The first positioning device 62 and the second positioning device 63 are preferably screws.

[0040] Specifically, after the first cutting knife 21 rotates 180°, the first positioning device 62 triggers the proximity switch 61 to control the rotating shaft 1 to stop rotating. When cutting is needed again, the cutting button is pressed, and the motor drives the rotating shaft 1 to continue to rotate clockwise. After rotating 180°, the second positioning device 63 triggers the proximity switch 61, and the rotating shaft 1 stops rotating again, completing a cutting action.

[0041] In the cutting device of this embodiment, see Figure 4-6The conveyor line 10 includes a conveyor belt 101 and conveyor belt side plates 102 arranged on both sides of the conveyor belt 101, and the conveyor belt 101 carries products. The cutting device includes: a mounting frame 7, a rotating shaft 1 is rotatably mounted on the mounting frame 7, and the mounting frame 7 is fixedly arranged on the conveyor belt side plates 102; a cutting base 8, the cutting base 8 includes a cutting bottom plate 81, the cutting bottom plate 81 contacts the back side of the conveyor belt 101, and the cutting bottom plate 81 is movably connected to the conveyor belt side plates 102; a protective cover 9, and the protective cover 9 is arranged above the rotating shaft 1 and at least two cutting knives 2.

[0042] Specifically, the conveyor belt 101 is generally made of rubber or felt. By setting the cutting base 8, the conveyor belt 101 and the product are located between the cutting knife 2 and the cutting base plate 81. When the cutting knife 2 cuts the product, as the cutting knife 2 contacts and pushes the product and the cutting base plate 81, the cutting base plate 81 can move downward to avoid the conveyor belt 101 being cut off due to rigid stress. A buffering effect is achieved by setting a movable cutting base plate 81.

[0043] By providing the protective cover 9, a protective effect can be achieved to avoid safety accidents.

[0044] In the cutting device of this embodiment, see Figure 5 The cutting base 8 includes: a fixed seat 82, the fixed seat 82 includes a first connecting plate 821 and a second connecting plate 822 that are perpendicular to each other, the first connecting plate 821 is fixedly connected to the conveyor belt side plate 102, and the second connecting plate 822 is arranged at intervals with the cutting base plate 81: a first connecting rod 83, one end of the first connecting rod 83 is fixedly set on the cutting base plate 81, and the other end of the first connecting rod 83 is movably connected to the second connecting plate 822, the first connecting rod 83 is sleeved with an elastic member 831, one end of the elastic member 831 is connected to the cutting base plate 81, and the other end of the elastic member 831 is connected to the second connecting plate 822, and the first connecting rod 83 includes at least two; a second connecting rod 84, one end of the second connecting rod 84 is fixedly set on the cutting base plate 81, and the other end of the second connecting rod 84 is movably connected to the second connecting plate 822, and the second connecting rod 84 is connected with a bolt, and the bolt is used to limit the elastic member 831.

[0045] By providing a fixed seat 82 , the fixed seat 82 is fixedly arranged on the conveyor belt side plate 102 , and when the cutting bottom plate 81 floats up and down, the fixed seat 82 provides support and guidance.

[0046] Specifically, a waist-shaped hole is provided on the first connecting plate 821, and the installation height of the fixing seat 82 can be adjusted through the waist-shaped hole to ensure the cutting effect.

[0047] By providing the first connecting rod 83, a graphite copper sleeve matching the first connecting rod 83 is correspondingly provided on the second connecting plate 822, so that the first connecting rod 83 can slide and be positioned in the graphite copper sleeve. By providing the elastic member 831, the elastic member 831 is kept in a compressed state, and the cutting bottom plate 81 can be supported, and reset after the cutting bottom plate 81 moves downward.

[0048] By providing the second connecting rod 84 and the bolt, the compression amount of the elastic member 831 can be adjusted by adjusting the position of the bolt to ensure the cutting effect. In addition, by providing the second connecting rod 84 and the bolt, it is ensured that the cutting base plate 81 and the fixing seat 82 remain connected.

[0049] In the cutting device of this embodiment, see Figure 1 The fixing seats 82 include two fixing seats 82 , and the two fixing seats 82 are respectively connected to two ends of the cutting base plate 81 .

[0050] In the cutting device of this embodiment, see Figure 2 The mounting brackets 7 include two mounting brackets 7, which are respectively connected to the two ends of the rotating shaft 1. The mounting brackets 7 include: a mounting plate 71, which includes a mounting hole 711 for the rotating shaft 1 to pass through; a bearing 72, which is arranged corresponding to the mounting hole 711, and the rotating shaft 1 passes through the bearing 72 and the mounting hole 711 at the same time. Through the above arrangement, the rotating shaft 1 is fixed and supported.

[0051] It should be noted that the terms "first", "second", etc. in the specification and claims of the present application and the above-mentioned drawings are used to distinguish similar objects, and are not necessarily used to describe a specific order or sequence. It should be understood that the data used in this way can be interchangeable where appropriate, so that the embodiments of the present application described herein can be implemented in an order other than those illustrated or described herein. In addition, the terms "including" and "having" and any of their variations are intended to cover non-exclusive inclusions, for example, a process, method, system, product or device comprising a series of steps or units is not necessarily limited to those steps or units clearly listed, but may include other steps or units that are not clearly listed or inherent to these processes, methods, products or devices.

[0052] Optionally, the specific examples in this embodiment may refer to the examples described in the above embodiments, and this embodiment will not be described in detail here.

[0053] The serial numbers of the above-mentioned embodiments of the present application are for description only and do not represent the advantages or disadvantages of the embodiments.

[0054] In the above embodiments of the present application, the description of each embodiment has its own emphasis. For parts that are not described in detail in a certain embodiment, please refer to the relevant description of other embodiments.

[0055] The above is only a preferred implementation of the present application. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the principles of the present application. These improvements and modifications should also be regarded as the scope of protection of the present application.

Claims

1. A cutting device, characterized in that: The cutting device is arranged above a conveying line (10), and the conveying line (10) is used to convey products to be cut. The cutting device comprises: A rotating shaft (1), wherein the rotating shaft (1) and the conveying line (10) are arranged at a distance from each other; A cutting knife (2), wherein a heating plate (3) is provided on the cutting knife (2), wherein the cutting knife (2) comprises at least two cutting knives, and the at least two cutting knives (2) are arranged on the rotating shaft (1) at intervals along the circumferential direction of the rotating shaft (1); The rotating shaft (1) is rotatably arranged so that at least two cutting knives (2) contact the product alternately.

2. The cutting device according to claim 1, characterized in that: The cutting device comprises a fixing component (4), wherein the fixing component (4) is used to fix the cutting blade (2) on the rotating shaft (1), and the fixing component (4) comprises: A shaft sleeve (41), wherein the shaft sleeve (41) is sleeved on the rotating shaft (1); a fixing plate (42), the fixing plate (42) being fixedly connected to the shaft sleeve (41); wherein the fixing plates (42) include at least two, at least two fixing plates (42) being arranged in one-to-one correspondence with at least two cutting knives (2), each of the fixing plates (42) being fixedly arranged with each of the cutting knives (2), and at least two fixing plates (42) being arranged on the shaft sleeve (41) at intervals along the circumferential direction of the rotating shaft (1); A pressing plate (43), the pressing plates (43) comprising at least two, the at least two pressing plates (43) being arranged in one-to-one correspondence with the at least two cutting knives (2), and each of the pressing plates (43) being connected to a side of each of the cutting knives (2) away from each of the fixing plates (42).

3. The cutting device according to claim 2, characterized in that: The heating plate (3) comprises a plurality of; A first accommodating groove (431) is provided on one side of each pressing plate (43) close to each cutting knife (2), and a second accommodating groove (421) is provided on one side of each fixing plate (42) close to each cutting knife (2), wherein the first accommodating groove (431) and the second accommodating groove (421) are used to accommodate a plurality of heating plates (3); The cutting device comprises a conductive slip ring (5), wherein the conductive slip ring (5) is sleeved on the rotating shaft (1), and the conductive slip ring (5) is electrically connected to the plurality of heating plates (3).

4. The cutting device according to claim 2, characterized in that: At least two of the cutting knives (2) extend along the radial direction of the rotating shaft (1).

5. The cutting device according to claim 4, characterized in that: The at least two cutting knives (2) include a first cutting knife (21) and a second cutting knife (22), and the extension direction of the first cutting knife (21) and the extension direction of the second cutting knife (22) are located on the same straight line.

6. The cutting device according to claim 5, characterized in that: The cutting device comprises: A proximity switch (61), wherein the proximity switch (61) is arranged spaced apart from the rotating shaft (1); a first positioning device (62), the first positioning device (62) being located on the rotating shaft (1) and protruding from the rotating shaft (1), the first positioning device (62) being arranged corresponding to the proximity switch (61), and the extending direction of the first positioning device (62) being the same as the extending direction of the first cutting knife (21); A second positioning device (63), the second positioning device (63) is located on the rotating shaft (1) and protrudes from the rotating shaft (1), the second positioning device (63) is arranged corresponding to the proximity switch (61), and the extension direction of the second positioning device (63) is the same as the extension direction of the second cutting knife (22).

7. The cutting device according to claim 1, characterized in that: The conveyor line (10) comprises a conveyor belt (101) and conveyor belt side plates (102) arranged on both sides of the conveyor belt (101), the product is carried on the conveyor belt (101), and the cutting device comprises: A mounting frame (7), the rotating shaft (1) being rotatably mounted on the mounting frame (7), and the mounting frame (7) being fixedly arranged on the conveyor belt side plate (102); A cutting base (8), the cutting base (8) comprising a cutting bottom plate (81), the cutting bottom plate (81) being in contact with the back side of the conveyor belt (101), and the cutting bottom plate (81) being movably connected to the conveyor belt side plate (102); A protective cover (9) is arranged above the rotating shaft (1) and at least two of the cutting knives (2).

8. The cutting device according to claim 7, characterized in that: The cutting base (8) comprises: A fixing seat (82), the fixing seat (82) comprising a first connecting plate (821) and a second connecting plate (822) which are perpendicular to each other, the first connecting plate (821) being fixedly connected to the conveyor belt side plate (102), and the second connecting plate (822) being spaced apart from the cutting bottom plate (81): A first connecting rod (83), one end of which is fixedly arranged on the cutting base plate (81), and the other end of which is movably connected to the second connecting plate (822). An elastic member (831) is sleeved on the first connecting rod (83), one end of which is connected to the cutting base plate (81), and the other end of which is connected to the second connecting plate (822). The first connecting rod (83) includes at least two; A second connecting rod (84), one end of the second connecting rod (84) is fixedly arranged on the cutting base plate (81), the other end of the second connecting rod (84) is movably connected to the second connecting plate (822), and a nut is connected to the second connecting rod (84), and the nut is used to limit the elastic member (831).

9. The cutting device according to claim 8, characterized in that: The fixing seats (82) include two, and the two fixing seats (82) are respectively connected to two ends of the cutting base plate (81).

10. The cutting device according to claim 7, characterized in that: The mounting frames (7) include two mounting frames (7), the two mounting frames (7) are respectively connected to the two ends of the rotating shaft (1), and the mounting frames (7) each include: A mounting plate (71), wherein the mounting plate (71) comprises a mounting hole (711) for the rotating shaft (1) to pass through; A bearing (72), wherein the bearing (72) is arranged corresponding to the mounting hole (711), and the rotating shaft (1) passes through the bearing (72) and the mounting hole (711) at the same time.

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