A motorcycle tire carcass ply cutting device

By designing a rotary turntable and a cutting mechanism in conjunction with a cutting pressure roller mechanism, the problem of jamming caused by debris, dust, and lubricating oil dripping into the fabric cutting device was solved, achieving a highly efficient and smooth fabric cutting effect.

CN224464791UActive Publication Date: 2026-07-07常州莫凯精工机械有限公司

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
常州莫凯精工机械有限公司
Filing Date
2025-08-07
Publication Date
2026-07-07

AI Technical Summary

Technical Problem

Existing fabric cutting devices are prone to jamming or stopping during the cutting process due to flying debris, dust, or lubricating oil dripping, which affects cutting efficiency.

Method used

The design incorporates a rotary turntable, a cutting mechanism, a cutting pressure roller mechanism, and a linear module. The cutting angle is adjusted by rotating the rotary turntable, and the cutting mechanism and the cutting pressure roller mechanism work together to cut the fabric. With the proper use of lubricating oil, jamming is avoided, ensuring smooth and efficient cutting.

Benefits of technology

It achieves high efficiency and smoothness in fabric cutting, avoids the influence of debris and dust during the cutting process, and improves the accuracy of cutting operations and the reliability of continuous cutting.

✦ Generated by Eureka AI based on patent content.

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  • Figure CN224464791U_ABST
    Figure CN224464791U_ABST
Patent Text Reader

Abstract

The utility model relates to tire forming technical field, concretely to a motorcycle tire body cord fabric cutting device, including the rotary turntable of installation in the cord fabric output conveying device bottom, install the crossbeam in the rotary turntable bottom, the fixed frame of installation in the crossbeam both sides respectively, install the gasket plate subassembly of two fixed frame bottom end and with the crossbeam parallel, the cutting knife mechanism of suspension in the crossbeam bottom, the cutting knife mechanism includes the linear module of installation in the crossbeam bottom, with the first cylinder of linear module installation, with the fixed mounting of first cylinder telescopic end cutter holder and install the cutting knife on cutter holder. The utility model uses the cutting mode of linear module to cut the cord fabric more convenient, when continuous cutting can through the lubrication of dropping lubricating oil on cutting knife, the drop of lubricating oil can not cause the block of this patent device, and the cutting of cord fabric can not hinder the cutting operation of cutting knife to cord fabric, can guarantee the high efficiency and smoothness of cutting operation.
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Description

Technical Field

[0001] This utility model relates to the field of tire forming technology, specifically a motorcycle tire carcass cord cutting device. Background Technology

[0002] Motorcycle tire forming machines include tire forming main equipment, tire carcass feeding equipment, and tire tread feeding equipment. The tire carcass feeding equipment is mainly used to provide materials such as cord fabric required for tire carcass forming. For cord fabric feeding, the cord fabric needs to be cut to a size suitable for the operation of the tire forming main equipment, so that the cord fabric can be transported into the tire forming main equipment for forming operations. In this process, the cord fabric cutting device is an important link.

[0003] The curtain fabric cutting device is suspended above the curtain fabric output conveyor and is used to cut the curtain fabric. Existing curtain fabric cutting devices all control the cutting device to cut the curtain fabric through a synchronous belt structure. The debris or dust splashed out during cutting can easily cause the synchronous belt structure to jam. When the curtain fabric cutting device is operating continuously, lubricating oil is usually required to lubricate the cutting blade. However, if the lubricating oil drips onto the synchronous belt structure, it can easily cause jamming or stopping. Utility Model Content

[0004] Given that existing technologies suffer from the problem of scraps, dust, or lubricating oil dripping during cutting, which can cause jamming or stopping of the tire cord cutting device, this utility model provides a motorcycle tire cord cutting device that can improve the efficiency of the cord cutting device and prevent jamming caused by scraps, dust, or lubricating oil dripping.

[0005] This utility model provides a motorcycle tire carcass cord cutting device, including a first mounting base, a rotary table mounted on the bottom of the first mounting base, a crossbeam mounted on the bottom of the rotary table, fixed frames respectively mounted on both sides of the crossbeam, a pad assembly mounted on the bottom of the two fixed frames and parallel to the crossbeam, a cutting mechanism suspended at the bottom of the crossbeam, and symmetrical cutting pressure roller mechanisms mounted on both sides of the crossbeam for flattening the cord. A drive linkage mechanism for controlling the rotation of the rotary table is mounted on the top of the crossbeam.

[0006] The cutting mechanism includes: a linear module installed at the bottom of the crossbeam, a first cylinder installed on the linear module via a connecting plate, a blade holder fixedly installed at the telescopic end of the first cylinder, and a cutting blade installed on the blade holder.

[0007] Furthermore, the linear module includes: a drive motor mounted on the crossbeam, a lead screw coaxially mounted with the output shaft of the drive motor, and a slider mounted on the lead screw. A linear slide rail is provided below the lead screw, the slider is sleeved on the linear slide rail, and the lower side of the slider is fixedly mounted to the connecting plate.

[0008] Furthermore, the cutting pressure roller mechanism includes: a second cylinder mounted on the side of the crossbeam via a second mounting base, and a pressure roller assembly mounted on the telescopic end of the second cylinder, wherein the telescopic end of the second cylinder extends out, and the pressure roller assembly rolls to flatten the fabric.

[0009] Furthermore, the pressure roller assembly includes a connector mounted on the telescopic end of the second cylinder, an anti-slip ridge provided on the connector, a track adapted to the anti-slip ridge, and a fabric pressure roller provided at the bottom of the track. The anti-slip ridge can slide in the track to adjust the position of the fabric pressure roller.

[0010] Furthermore, the pad assembly includes: a pad member and a cutting cavity formed on the pad member. The pad member includes: an integrally formed first cutting blade pad and a second cutting blade pad, the first cutting blade pad and the second cutting blade pad are disposed opposite to each other, and the cutting cavity is aligned with the cutting blade.

[0011] Furthermore, the first cutter pad includes a long ramp portion for guiding the fabric; the second cutter pad includes a short ramp portion for assisting in the transport of the fabric.

[0012] Furthermore, the drive linkage mechanism includes: a first link and a second link rotatably connected end to end, the tail end of the first link being rotatably mounted on the top of the crossbeam, and the head end of the second link being rotatably mounted on the first mounting base; an adjusting nut is installed at the tail end of the first link, and the adjusting nut is used to control the relative rotation of the first link and the second link.

[0013] Furthermore, the cutting blade includes a trapezoidal blade body mounted on the blade holder and a cutting head mounted on the end of the trapezoidal blade body. The trapezoidal blade body and the cutting head are integrally formed, and the tip of the cutting head is aligned with the cutting cavity.

[0014] Furthermore, the sides of the two mounting brackets are equipped with wire grooves for protecting the wires, and the connecting wires of the first cylinder and the second cylinder are stored in the wire grooves.

[0015] This utility model also provides a motorcycle tire carcass cord feeding device, including a main frame and a cord centering device, a cord input conveying device, a cord transition conveying device, and a cord output conveying device, which are sequentially installed on the main frame in the conveying direction. A cord feeding tray for feeding cord is provided below the cord centering device, and the aforementioned motorcycle tire carcass cord cutting device for cutting cord is provided above the cord input conveying device. The first mounting base is installed on the main frame and suspended and aligned with the cord input conveying device. The pad assembly is close to the cord input conveying device. The long ramp is aligned with the conveying direction of the cord input conveying device.

[0016] Compared with the prior art, the beneficial effects of this utility model are:

[0017] This utility model patent adjusts the cutting angle of the cutting blade by rotating a turntable, thereby adjusting the shape of the cut. The cutting blade mechanism and the cutting pressure roller mechanism work together to cut the curtain fabric. First, the first cylinder is controlled to lower or raise the cutting blade to a suitable position for cutting the curtain fabric. Then, the linear module is controlled to move the cutting blade perpendicular to the curtain fabric, cutting it. This utility model patent uses a linear module cutting method for more convenient curtain fabric cutting. During continuous cutting, lubricating oil can be dripped onto the cutting blades for lubrication. The dripping of lubricating oil will not cause jamming in this patented device, and the debris or dust splashed during cutting will not hinder the cutting operation, ensuring high efficiency and smoothness of the cutting process.

[0018] It should be understood that the description in this utility model description section is not intended to limit the key or essential features of the embodiments of this utility model, nor is it intended to restrict the scope of this utility model. Other features of this utility model will become readily apparent from the following description. Attached Figure Description

[0019] The present invention will now be described in further detail with reference to the accompanying drawings and specific embodiments.

[0020] Figure 1 This is a first-view overall structural diagram of the curtain cutting device.

[0021] Figure 2 This is a second-view overall structural diagram of the curtain cutting device.

[0022] Figure 3 This is a structural diagram of the cutting mechanism.

[0023] Figure 4 This is a structural diagram of the cutting pressure roller mechanism.

[0024] Figure 5 for Figure 2A magnified view of the details at point A in the middle.

[0025] Figure 6 This is a structural diagram of some parts of the curtain fabric cutting device.

[0026] Figure 7 This is a structural diagram of a cutting blade.

[0027] Figure 8 This is a structural diagram of a motorcycle tire carcass cord discharge device.

[0028] The diagram labels are as follows: 1. Main frame; 2. Fabric feeding tray; 3. Fabric centering device; 4. Fabric input conveyor; 5. Fabric cutting device; 6. Fabric output conveyor; 7. Fabric transition conveyor.

[0029] 51. First mounting base; 52. Rotary turntable; 53. Crossbeam; 54. Fixing frame; 55. Pad assembly; 551. First cutter pad; 5511. First straight section; 5512. Long ramp section; 552. Second cutter pad; 5521. Second straight section; 5522. Short ramp section; 553. Cutting cavity;

[0030] 56. Cutting mechanism; 561. Linear module; 5611. Slider; 5612. Linear guide rail; 562. Connecting plate; 563. First cylinder; 564. Blade holder; 565. Cutting blade; 5651. Trapezoidal blade body; 5652. Blade head;

[0031] 57. Cutting pressure roller mechanism; 571. Second mounting base; 572. Second cylinder; 573. Pressure roller assembly; 5731. Connector; 5732. Anti-slip ridge; 5733. Track; 5734. Fabric pressure roller;

[0032] 58. Drive linkage mechanism; 581. First link; 582. Second link; 583. Adjusting nut; 59. Wire groove. Detailed Implementation

[0033] The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic diagrams, illustrating only the basic structure of the present invention, and therefore only show the components relevant to the present invention.

[0034] It should be noted that when a component is referred to as being "fixed to" or "set on" another component, it can be directly on or indirectly set on the other component; when a component is referred to as being "connected to" another component, it can be directly connected to or indirectly connected to the other component.

[0035] It should be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", and "outer" indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this application and simplifying the description, and do not indicate or imply that the device or component referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this application.

[0036] Please refer to Figures 1 to 8 This utility model provides a motorcycle tire carcass cord cutting device, including a first mounting base 51, a rotary turntable 52 mounted on the bottom of the first mounting base 51, a crossbeam 53 mounted on the bottom of the rotary turntable 52, fixing frames 54 respectively mounted on both sides of the crossbeam 53, a pad assembly 55 mounted on the bottom of the two fixing frames 54 and parallel to the crossbeam 53, a cutting mechanism 56 suspended on the bottom of the crossbeam 53, and symmetrical cutting pressure roller mechanisms 57 mounted on both sides of the crossbeam 53 for flattening the cord. A drive linkage mechanism 58 for controlling the rotation of the rotary turntable 52 is mounted on the top of the crossbeam 53.

[0037] In this embodiment, the control drive linkage mechanism 58 causes the rotary table 52 to rotate, which adjusts the cutting mechanism 56 to a suitable position for cutting the fabric. The control cut pressure roller mechanism 57 rolls and flattens the fabric, and the pad assembly 55 flattens the area to be cut. Then, the control cutter mechanism 56 performs intelligent cutting of the fabric. This device can quickly and efficiently complete the cutting of the fabric, further improving the operating efficiency of the motorcycle tire forming equipment.

[0038] like Figure 3 As shown, the cutting mechanism 56 includes: a linear module 561 installed at the bottom of the crossbeam 53, a first cylinder 563 installed with the sliding module via a connecting plate 562, a blade holder 564 fixedly installed with the telescopic end of the first cylinder 563, and a cutting blade 565 installed on the blade holder 564.

[0039] like Figure 3 As shown, the linear module 561 includes: a drive motor mounted on the crossbeam 53, a lead screw coaxially mounted with the output shaft of the drive motor, and a slider 5611 mounted on the lead screw. A linear slide rail 5612 is provided below the lead screw, and the slider 5611 is sleeved on the linear slide rail 5612. The lower side of the slider 5611 is fixedly installed with the connecting plate 562.

[0040] In this embodiment, the cutting angle of the cutting blade 565 is adjusted by rotating the rotary table 52, thereby adjusting the shape of the cut. The fabric is cut by the cooperation of the cutting blade mechanism 56 and the cutting pressure roller mechanism 57. First, the first cylinder 563 is controlled to lower or raise the cutting blade 565 to a position suitable for cutting the fabric. Then, the linear module 561 is controlled to move the cutting blade 565 in a direction perpendicular to the fabric, cutting the fabric. This utility model patent uses the cutting method of the linear module 561, which can cut the fabric more conveniently. When cutting continuously, lubricating oil can be dripped onto the cutting blade for lubrication. The dripping of lubricating oil will not cause the device to jam, and the debris or dust splashed during the cutting of the fabric will not hinder the cutting operation of the cutting blade, ensuring the efficiency and smoothness of the cutting operation.

[0041] In this embodiment, the first cylinder 563 is driven to adjust the cutting blade 565 to a suitable height for cutting the curtain fabric. The drive motor drives the lead screw to rotate, causing the slider 5611 on it to slide on the linear slide rail 5612. This causes the connecting plate 562 installed on the lower side of the slider 5611 to move synchronously, thereby driving the cutting blade 565 to move and cut the curtain fabric. This structure improves the accuracy of curtain fabric cutting and the control of the cutting blade 565.

[0042] like Figure 4 As shown, the cutting pressure roller mechanism 57 includes: a second cylinder 572 mounted on the side of the crossbeam 53 via a second mounting base 571, and a pressure roller assembly 573 mounted on the telescopic end of the second cylinder 572. The telescopic end of the second cylinder 572 extends out, and the pressure roller assembly 573 rolls to flatten the curtain fabric.

[0043] Furthermore, the pressure roller assembly 573 includes a connector 5731 installed at the telescopic end of the second cylinder 572, an anti-slip ridge 5732 disposed on the connector 5731, a track 5733 adapted to the anti-slip ridge 5732, and a fabric pressure roller 5734 disposed at the bottom of the track 5733. The anti-slip ridge 5732 can slide in the track 5733 to adjust the position of the fabric pressure roller 5734.

[0044] In this embodiment, the fabric on the fabric input conveying device 4 is rolled and flattened by the cutting pressure roller mechanism 57, making the fabric more compliant and facilitating the cutting mechanism 56 to cut the fabric. The second cylinder 572 is driven to make the fabric pressure roller 5734 descend or rise to be close to the surface of the fabric input conveying device 4, and the anti-slip convex strip 5732 is controlled to slide in the track 5733 so that the fabric pressure roller 5734 is directly facing the fabric input conveying device 4.

[0045] To further explain, the two cutting pressure roller mechanisms 57 are respectively installed on both sides of the crossbeam 53, that is, on both sides of the cutting mechanism 56, so that the curtain fabric before and after cutting can be rolled and flattened respectively.

[0046] like Figure 6 As shown, the pad assembly 55 is closely attached to the curtain input conveying device 4; the pad assembly 55 includes: a pad member and a cutting cavity 553 formed on the pad member. The pad member includes: an integrally formed first cutting blade pad 551 and a second cutting blade pad 552. The first cutting blade pad 551 and the second cutting blade pad 552 are arranged opposite to each other, and the cutting cavity 553 is aligned with the cutting blade 565.

[0047] Furthermore, the first cutter pad 551 includes a long ramp portion 5512 for guiding the curtain fabric, the long ramp portion 5512 being aligned with the conveying direction of the curtain fabric input conveying device 4; the second cutter pad 552 includes a short ramp portion 5522 for assisting in the transport of the curtain fabric.

[0048] In this embodiment, the fabric is conveyed from the first cutter pad 551 to the second cutter pad 552 via the fabric input conveying device 4. When the length of the fabric passing through the cutting cavity 553 is suitable for tire body forming, the straight module 561 is controlled to make the cutter 565 cut the fabric in the cutting cavity 553. The cut fabric is then continuously conveyed out via the fabric input conveying device 4. The setting of the cutting cavity 553 ensures the straightness of the cutting cut and further ensures the integrity of tire forming.

[0049] To further explain, the curtain fabric is transmitted by the curtain fabric input conveying device 4 through the long ramp 5512 and the cutting cavity 553 in sequence, and finally output from the short ramp 5522. The long ramp 5512 reduces the friction of the curtain fabric transmission, allowing the curtain fabric to climb the ramp smoothly. The short ramp 5522 assists in the output of the curtain fabric and enhances the smoothness of the curtain fabric output.

[0050] like Figure 7 As shown, the cutting blade 565 includes a trapezoidal blade body 5651 mounted on a blade holder 564 and a blade head 5652 mounted on the end of the trapezoidal blade body 5651. The trapezoidal blade body 5651 and the blade head 5652 are integrally formed, and the tip of the blade head 5652 is aligned with the cutting cavity 553.

[0051] In this embodiment, the curtain fabric is cut by the tip of the blade 5652. The trapezoidal blade 5651 provides strong support for the blade 5652, which facilitates the smooth cutting of the curtain fabric by the blade 5652 and ensures the sharpness of the cutting blade 565.

[0052] like Figure 2As shown, the drive linkage mechanism 58 includes: a first link 581 and a second link 582 rotatably connected end to end. The tail end of the first link 581 is rotatably mounted on the top of the crossbeam 53, and the head end of the second link 582 is rotatably mounted on the first mounting base 51. An adjusting nut 583 is installed at the tail end of the first link 581, and the adjusting nut 583 is used to control the relative rotation of the first link 581 and the second link 582.

[0053] In this embodiment, loosening the adjusting nut 583 allows both the first connecting rod 581 and the second connecting rod 582 to rotate. By adjusting the relative rotation angle of the first connecting rod 581 and the second connecting rod 582, the rotary table 52 rotates, causing the crossbeam 53 to rotate accordingly. This allows the cutting mechanism 56 to rotate to a position suitable for cutting the fabric. At this point, tightening the adjusting nut 583 fixes the crossbeam 53, thereby fixing the cutting blade 565 at this cutting angle. The driving linkage mechanism 58 and the adjusting nut 583 allow the cutting angle to be flexibly adjusted, enhancing the flexibility and practicality of the device.

[0054] In this embodiment, adjusting the adjusting nut 583 rotates the crossbeam 53 to an angle suitable for cutting the fabric with the cutting blade 565. Driving the second cylinder 572 causes the fabric pressure roller 5734 to come close to the surface of the fabric input conveying device 4. When the fabric is conveyed to the fabric input conveying device 4, the cutting pressure roller mechanism 57 rolls and flattens the fabric, and the first cutting blade pad 551 and the second cutting blade pad 552 flatten the fabric. Then, driving the first cylinder 563 causes the cutting blade 565 to come close to the fabric, and driving the linear module 561 causes the cutting blade 565 to cut the fabric to a suitable size. The cut fabric is then conveyed to the fabric output conveying device 6 via the fabric input conveying device 4, and then to the tire forming main machine for motorcycle tire forming.

[0055] like Figure 2 As shown, the sides of the two fixed brackets 54 are equipped with wire troughs 59 for protecting the wires. The connecting wires of the first cylinder 563 and the second cylinder 572 are stored in the wire troughs 59. The wire troughs 59 not only protect the wires inside, but also protect the safety of the control personnel and improve the overall safety of the device.

[0056] like Figure 8As shown, this utility model also provides a motorcycle tire carcass cord feeding device, including a main frame 1, and a cord centering device 3, a cord input conveying device 4, a cord transition conveying device 7, and a cord output conveying device 6, which are installed sequentially on the main frame 1 in the conveying direction. A cord feeding tray 2 for feeding cord is provided below the cord centering device 3, and a motorcycle tire carcass cord cutting device as described above is provided above the cord input conveying device 4 for cutting cord. A first mounting base 51 is installed on the main frame 1 and suspended and aligned with the cord input conveying device 4.

[0057] In this embodiment, the cord fabric is fed from the cord fabric feeding tray 2 into the cord fabric centering device 3 for centering, and then conveyed to the cord fabric input conveying device 4. With the conveying of the cord fabric input conveying device 4 and in conjunction with the cord fabric cutting device 5, the cord fabric is cut into a size suitable for tire forming. Then, the cut cord fabric is conveyed by the cord fabric transition conveying device 7 and the cord fabric output conveying device 6 to the tire forming main machine for tire forming operation.

[0058] To further explain, the curtain cutting device 5 is suspended above the curtain input conveying device 4 and performs cutting operations on the curtain input conveying device 4.

[0059] It should be understood that the specific embodiments described above are only for explaining the present invention and are not intended to limit the present invention. Obvious variations or modifications derived from the spirit of the present invention are still within the protection scope of the present invention.

Claims

1. A device for cutting motorcycle tire carcass cord fabric, characterized in that, The device includes a first mounting base (51), a rotary table (52) mounted on the bottom of the first mounting base (51), a crossbeam (53) mounted on the bottom of the rotary table (52), a fixing frame (54) respectively mounted on both sides of the crossbeam (53), a pad assembly (55) mounted on the bottom of the two fixing frames (54) and parallel to the crossbeam (53), a cutting mechanism (56) suspended on the bottom of the crossbeam (53), and a symmetrical cutting pressure roller mechanism (57) mounted on both sides of the crossbeam (53) for flattening the curtain fabric. A drive linkage mechanism (58) for controlling the rotation of the rotary table (52) is mounted on the top of the crossbeam (53). The cutting mechanism (56) includes: a linear module (561) installed at the bottom of the crossbeam (53), a first cylinder (563) installed with the linear module (561) via a connecting plate (562), a blade holder (564) fixedly installed with the telescopic end of the first cylinder (563), and a cutting blade (565) installed on the blade holder (564).

2. The motorcycle tire carcass cord cutting device according to claim 1, characterized in that, The linear module (561) includes: a drive motor mounted on the crossbeam (53), a lead screw coaxially mounted with the output shaft of the drive motor, and a slider (5611) mounted on the lead screw. A linear slide rail (5612) is provided below the lead screw. The slider (5611) is sleeved on the linear slide rail (5612). The lower side of the slider (5611) is fixedly installed with the connecting plate (562).

3. The motorcycle tire carcass cord cutting device according to claim 1, characterized in that, The cutting pressure roller mechanism (57) includes: a second cylinder (572) mounted on the side of the crossbeam (53) via a second mounting base (571), and a pressure roller assembly (573) mounted on the telescopic end of the second cylinder (572), the telescopic end of the second cylinder (572) extending out, and the pressure roller assembly (573) rolling to flatten the curtain fabric.

4. The motorcycle tire carcass cord cutting device according to claim 3, characterized in that, The pressure roller assembly (573) includes a connector (5731) mounted on the telescopic end of the second cylinder (572), an anti-slip ridge (5732) disposed on the connector (5731), a track (5733) adapted to the anti-slip ridge (5732), and a fabric pressure roller (5734) disposed at the bottom of the track (5733). The anti-slip ridge (5732) can slide in the track (5733) to adjust the position of the fabric pressure roller (5734).

5. The motorcycle tire carcass cord cutting device according to claim 1, characterized in that, The pad assembly (55) includes a pad member and a cutting cavity (553) formed on the pad member. The pad member includes an integrally formed first cutting blade pad (551) and a second cutting blade pad (552). The first cutting blade pad (551) and the second cutting blade pad (552) are arranged opposite to each other, and the cutting cavity (553) is aligned with the cutting blade (565).

6. The motorcycle tire carcass cord cutting device according to claim 5, characterized in that, The first cutter pad (551) includes a long ramp (5512) for guiding the curtain fabric; the second cutter pad (552) includes a short ramp (5522) for assisting in the transport of the curtain fabric.

7. The motorcycle tire carcass cord cutting device according to claim 5, characterized in that, The drive linkage mechanism (58) includes: a first link (581) and a second link (582) rotatably connected end to end. The tail end of the first link (581) is rotatably mounted on the top of the crossbeam (53), and the head end of the second link (582) is rotatably mounted on the first mounting base (51). An adjusting nut (583) is installed at the tail end of the first link (581), and the adjusting nut (583) is used to control the relative rotation of the first link (581) and the second link (582).

8. The motorcycle tire carcass cord cutting device according to claim 5, characterized in that, The cutting blade (565) includes a trapezoidal blade body (5651) mounted on the blade holder (564) and a blade head (5652) mounted on the end of the trapezoidal blade body (5651). The trapezoidal blade body (5651) and the blade head (5652) are integrally formed, and the tip of the blade head (5652) is aligned with the cutting cavity (553).

9. The motorcycle tire carcass cord cutting device according to claim 3, characterized in that, The two mounting brackets (54) are equipped with wire grooves (59) for protecting the wires, and the connecting wires of the first cylinder (563) and the second cylinder (572) are stored in the wire grooves (59).