Cutting machine with edge covering mechanism

Abstract

The utility model relates to a cutting machine with an edge covering mechanism in the technical field of tire production equipment, which comprises a cutting machine body, the feeding end of the cutting machine body is provided with the edge covering mechanism, and the edge covering mechanism comprises a belt conveyor and an edge pressing component; two unwinding rollers, a first material pressing roller and two edge pressing rollers are sequentially arranged on the belt conveyor in the conveying direction, and the edge pressing assembly is arranged on a rack of the cutting machine body and comprises a supporting roller, a second material pressing roller, two vertical rollers, two cone pulleys, an upper pressing roller and a lower pressing roller which are sequentially arranged, and the upper pressing roller and the lower pressing roller are matched with each other. The supporting roller is matched with the discharging end of the belt conveyor. The rubber belt edge covering device can achieve efficient and continuous edge covering operation, is good in edge covering effect, and can be suitable for edge covering operation of rubber belts with different widths. The automation degree is high, the labor cost is low, and the production efficiency is improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of tire production equipment, and in particular relates to a cutting machine with an edge binding mechanism. Background Art

[0002] The tire carcass cord layer is the main force-bearing component, which is subjected to extremely complex forces such as periodic stretching, bending, and shearing. In order to ensure that the carcass cord layer has the necessary strength and stability, the two sides of the rubber sheet cut according to the width requirements set by the process are usually hemmed during the production process. The patent document with publication number CN116442576A discloses an hemming device and a belt hemming structure for radial tire production, including a mounting frame, the mounting frame is provided with a conveyor belt for conveying the belt cord, two extruders for extruding the hemming strips, and two press mechanisms for extruding and wrapping the hemming strips to the edges of the belt cord; the two press mechanisms are respectively arranged corresponding to the two extruders, and the two press mechanisms are respectively arranged on both sides of the conveyor belt, and the press mechanism includes an upper press roller and a lower press roller, and the upper press roller and the lower press roller are used to roll the hemming strips together. The patent only uses the upper and lower pressure rollers to press the hemming, which results in poor hemming quality and is prone to problems in subsequent processing, which is not conducive to production. Therefore, a cutting machine with an hemming mechanism is needed to solve the above technical problems. Utility Model Content

[0003] In view of the above defects existing in the prior art, the present utility model provides a cutting machine with a hemming mechanism, including a cutting machine body. A hemming mechanism is provided at the feeding end of the cutting machine body. The hemming mechanism includes a belt conveyor and a edge pressing assembly. On the belt conveyor, two unwinding rollers, a pressing roller one, and two edge pressing rollers are sequentially arranged along the conveying direction. The pressing roller one can be connected to a motor three. The two edge pressing rollers are respectively arranged on both sides of the belt conveyor. The edge pressing assembly is arranged on the frame of the cutting machine body. The edge pressing assembly includes a support roller, a pressing roller two, two vertical rollers, two cone pulleys, and a set of upper and lower pressing rollers that cooperate with each other. The support roller cooperates with the discharging end of the belt conveyor. The upper end of the roller body of the support roller is higher than the frame of the cutting machine body. The two vertical rollers are respectively arranged on both sides of the frame. The two cone pulleys are respectively arranged on both sides of the frame. The upper pressing roller and the lower pressing roller are respectively connected to a motor one. The rubber belt to be hemmed enters the cutting machine after passing through the belt conveyor. Both of the two unwinding rollers are provided with hemming tapes. When the rubber belt passes through the belt conveyor, it first passes through the pressing roller one. The pressing roller one flattens the rubber belt. After passing through the pressing roller one, the hemming tapes on the two unwinding rollers are respectively attached to the edges on both sides of the rubber belt and then pass through the two edge pressing rollers. Under the action of the edge pressing rollers, half of the width of the hemming tape is pressed on the rubber belt. Then it passes through the support roller and enters the cutting machine body. At this time, the lower surface of the rubber belt does not contact the bracket. Then it passes through the pressing roller two. The pressing roller two integrally presses the rubber belt with the attached hemming tape to further improve the adhesion degree. Then it passes through the two vertical rollers. The two vertical rollers respectively bend the hemming tapes on both sides of the rubber belt. After the bent hemming tapes pass through the cone pulleys, under the action of the cone pulleys, the bent hemming tapes are attached to the lower surface of the rubber belt. Finally, the rubber belt passes through the upper pressing roller and the lower pressing roller, so that the hemming tape is attached to the upper and lower surfaces of the rubber belt, and the hemming of both sides of the rubber belt is completed.

[0004] Preferably, a vertical frame is fixed on the belt conveyor. One end of each of the two unwinding rollers is fixedly connected with a rotating shaft. The two rotating shafts are respectively rotationally connected to the upper part of the vertical frame through bearings and penetrate through the vertical frame. One gear is fixed on each of the two rotating shafts penetrating through the vertical frame. The two gears are connected by a transmission chain. One of the rotating shafts is connected to a motor two. The motor two is fixed on the vertical frame. The two unwinding rollers are driven by the motor one to unwind synchronously, so that the movement of the hemming tape and the rubber belt is synchronous.

[0005] Preferably, a gantry frame is provided on the belt conveyor corresponding to the two edge pressing rollers. The two edge pressing rollers are respectively arranged on a U-shaped frame with an opening downward. Both ends of the edge pressing roller are respectively rotationally connected to both sides of the U-shaped frame through bearings. The two U-shaped frames are respectively connected to the gantry frame through a first vertical telescopic rod. The first vertical telescopic rod can be an electric push rod or a hydraulic rod. This setting can reasonably adjust the height of the edge pressing roller as needed to improve the edge pressing effect.

[0006] Preferably, a horizontal long strip-shaped through groove is provided on the gantry frame. A bidirectional screw is provided in the long strip-shaped through groove. Both ends of the bidirectional screw are respectively rotationally connected to both ends of the long strip-shaped through groove through bearings. One end of the bidirectional screw penetrates through one end of the long strip-shaped through groove and is connected with a first rotation handle. Moving blocks are respectively in threaded fit with the forward thread and the reverse thread of the bidirectional screw. The width of the moving block is equal to the width of the long strip-shaped through groove. The moving block is arranged in the long strip-shaped through groove. The fixed ends of the two first vertical telescopic rods are respectively fixedly connected to the corresponding moving blocks. This setting can reasonably adjust the distance between the two edge pressing rollers as needed, and is suitable for the edge wrapping operation of rubber belts with different widths.

[0007] Preferably, connection blocks are respectively rotationally connected to both ends of the second pressure roller through bearings. The two connection blocks are arranged on both sides of the frame through second vertical telescopic rods. The second vertical telescopic rods can be electric push rods or hydraulic rods. By telescoping the second vertical telescopic rods, the height of the second pressure roller can be adjusted, so as to adjust the tension of the rubber belt and improve the pressing effect.

[0008] Preferably, the two vertical rollers are respectively arranged on the frame through a first moving component. The first moving component includes a first fixed block which is fixed on the frame. A first threaded hole is provided on the first fixed block. A first horizontal screw is in threaded fit with the first threaded hole. One end of the first horizontal screw is connected with a second rotation handle. The other end of the first horizontal screw penetrates through the first fixed block and is rotationally connected with a first slider through a bearing. A matching first guiding groove is provided on the frame corresponding to the first slider. The lower end of the first slider is slidably arranged in the first guiding groove. The top end of the first slider is rotationally connected with the lower end of the vertical roller through a bearing. By rotating the second rotation handle, the distance between the two vertical rollers can be flexibly adjusted, which is convenient for bending the edge wrapping tape on rubber belts with different widths.

[0009] Preferably, the two tower pulleys are respectively arranged on the frame through a second moving component. The second moving component includes a second fixed block which is fixed on the frame. A second threaded hole is provided on the second fixed block. A second horizontal screw is in threaded fit with the second threaded hole. One end of the second horizontal screw is connected with a third rotation handle. The other end of the second horizontal screw penetrates through the second fixed block and is rotationally connected with a second slider through a bearing. A matching second guiding groove is provided on the frame corresponding to the second slider. The lower end of the second slider is slidably arranged in the second guiding groove. The tower pulley is arranged on the upper surface of the second slider. By rotating the third rotation handle, the distance between the two tower pulleys can be flexibly adjusted, which is convenient for bottom fitting of the edge wrapping tape on rubber belts with different widths.

[0010] The present utility model further includes other components that enable a cutting machine with a hemming mechanism to be used normally, such as the control components of the belt conveyor, the control components of the first motor and the second motor, the control components of the cutting machine, the control components of the electric push rod, the control components of the hydraulic rod, etc., which are all conventional technical means in the art. In addition, the devices or components not defined in the present utility model, such as the cutting machine body, the cone pulley, the bidirectional screw, the supporting roller, the unwinding roller, the belt conveyor, the electric push rod, the sprocket, the transmission chain, the hydraulic rod, etc., all adopt the conventional technical means and conventional equipment in the art.

[0011] The beneficial effects of the present utility model are as follows: It can achieve efficient, continuous hemming operations with good hemming effects, which is beneficial for subsequent production and can be applied to the hemming operations of rubber belts with different widths; it has a high degree of automation, low labor costs, and improves production efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] The present utility model will be further described below with reference to the drawings and embodiments.

[0013] Figure 1 is a schematic structural diagram of a cutting machine with a hemming mechanism in an embodiment of the present utility model;

[0014] Figure 2 is Figure 1 the top view of

[0015] Figure 3 is Figure 1 the right view of the edge pressing roller in

[0016] Figure 4 is Figure 3 the top view of

[0017] Figure 5 is Figure 1 the right view of the vertical roller in

[0018] Figure 6 is Figure 1 the right view of the cone pulley in

[0019] In the figure: 1. Belt conveyor; 2. Conveyor belt; 3. Rubber belt; 4. Unwinding roller; 5. Edge wrapping tape; 6. First pressure roller; 7. Gantry; 8. Edge pressing roller; 9. First vertical telescopic rod; 10. Frame; 11. Support roller; 12. Second pressure roller; 13. Second vertical telescopic rod; 14. Vertical roller; 15. Second rotating handle; 16. First fixing block; 17. Step pulley; 18. Third rotating handle; 19. Second fixing block; 20. Moving block; 21. Second motor; 22. Transmission chain; 23. Third motor; 24. Connecting block; 25. U-shaped frame; 26. Upper pressure roller; 27. Lower pressure roller; 28. First motor; 29. Second slider; 30. Rotating rod; 31. First guiding groove; 32. First slider; 33. Second guiding groove; 34. First rotating handle; 35. Long strip-shaped through groove; 36. Bi-directional screw rod. Detailed implementation mode

[0020] The present utility model will be clearly described below in conjunction with the attached drawings in the embodiments of the present utility model and specific embodiments. The description here is only used to explain the present utility model, but not to limit the present utility model. Based on the embodiments in the present utility model, all other embodiments obtained by those skilled in the art without creative work, any modifications, equivalent replacements, improvements, etc., shall be included in the protection scope of the present utility model.

[0021] Embodiment

[0022] As Figure 1-6 shown, the present utility model provides a cutting machine with an edge wrapping mechanism, including a cutting machine body. A edge wrapping mechanism is provided at the feeding end of the cutting machine body. The edge wrapping mechanism includes a belt conveyor 1 and an edge pressing assembly. Two unwinding rollers 4, a first pressure roller 6 and two edge pressing rollers 8 are sequentially arranged on the belt conveyor 1 along the conveying direction. The first pressure roller 6 can be connected to a third motor 23. The two edge pressing rollers 8 are respectively arranged on both sides of the belt conveyor 1. The edge pressing assembly is arranged on the frame 10 of the cutting machine body. The edge pressing assembly includes a support roller 11, a second pressure roller 12, two vertical rollers 14, two step pulleys 17 and a set of upper pressure roller 26 and lower pressure roller 27 that cooperate with each other. The support roller 11 cooperates with the discharging end of the belt conveyor 1. The upper end of the roller body of the support roller 11 is higher than the frame 10 of the cutting machine body. The two vertical rollers 14 are respectively arranged on both sides of the frame 10. The two step pulleys 17 are respectively arranged on both sides of the frame 10. The upper pressure roller 26 and the lower pressure roller 27 are respectively connected to a first motor 28.

[0023] A vertical frame is fixed on the belt conveyor 1. One end of each of the two unwinding rollers 4 is fixedly connected with a rotating shaft. The two rotating shafts are respectively rotationally connected to the upper part of the vertical frame through bearings and penetrate through the vertical frame. One gear is fixed on each of the two rotating shafts penetrating through the vertical frame. The two gears are connected by a transmission chain 22. One of the rotating shafts is connected with a second motor 21, and the second motor 21 is fixed on the vertical frame. The two unwinding rollers 4 are driven by a first motor 28 to unwind synchronously, so that the movement of the edge wrapping tape 5 is synchronized with that of the rubber belt 3.

[0024] A gantry frame 7 is provided on the belt conveyor 1 corresponding to the two edge pressing rollers 8. The two edge pressing rollers 8 are respectively arranged on a U-shaped frame 25 with an opening downward. Both ends of the edge pressing roller 8 are rotationally connected to both sides of the U-shaped frame 25 through bearings. The two U-shaped frames 25 are respectively connected to the gantry frame 7 through a first vertical telescopic rod 9. The first vertical telescopic rod 9 can be an electric push rod or a hydraulic rod. The height of the edge pressing roller 8 can be reasonably adjusted as needed at this place to improve the edge pressing effect.

[0025] A horizontal long strip-shaped through groove 35 is provided on the gantry frame 7. A bidirectional screw rod 36 is arranged in the long strip-shaped through groove. Both ends of the bidirectional screw rod 36 are rotationally connected to both ends of the long strip-shaped through groove 35 through bearings. One end of the bidirectional screw rod 36 penetrates through one end of the long strip-shaped through groove 35 and is connected with a first rotation handle 34. A moving block 20 is in threaded fit with the forward thread and the reverse thread of the bidirectional screw rod 36 respectively. The width of the moving block 20 is equal to the width of the long strip-shaped through groove 35. The moving block 20 is arranged in the long strip-shaped through groove 35. The fixed ends of the two first vertical telescopic rods 9 are respectively fixedly connected with the corresponding moving blocks 20. The distance between the two edge pressing rollers 8 can be reasonably adjusted as needed at this place, which is suitable for the edge wrapping operation of rubber belts 3 with different widths.

[0026] Both ends of the second pressing roller 12 are rotationally connected with connecting blocks 24 through bearings. The two connecting blocks 24 are arranged on both sides of the frame 10 through a second vertical telescopic rod 13. The second vertical telescopic rod 13 can be an electric push rod or a hydraulic rod. The height of the second pressing roller 12 can be adjusted by the telescopic movement of the second vertical telescopic rod 13, so as to adjust the tension degree of the rubber belt 3 and improve the pressing effect.

[0027] The two vertical rollers 14 are respectively arranged on the frame 10 through the first moving assembly. The first moving assembly includes a first fixing block 16 which is fixed on the frame 10. A first threaded hole is provided on the first fixing block 16. A first horizontal screw rod is in threaded fit with the first threaded hole. One end of the first horizontal screw rod is connected with a second rotating handle 15. The other end of the first horizontal screw rod penetrates through the first fixing block 16 and is rotatably connected with a first slider 32 through a bearing. A matching first guiding groove 31 is provided on the frame 10 corresponding to the first slider 32. The lower end of the first slider 32 is slidably arranged in the first guiding groove 31. The lower end of the vertical roller can be connected with a fifth motor which is fixed on the first slider. By rotating the second rotating handle 15, the distance between the two vertical rollers 14 can be flexibly adjusted, facilitating the bending operation of the edge wrapping tape 5 on rubber tapes 3 with different widths.

[0028] The two pulley wheels 17 are respectively arranged on the frame 10 through the second moving assembly. The second moving assembly includes a second fixing block 19 which is fixed on the frame 10. A second threaded hole is provided on the second fixing block 19. A second horizontal screw rod is in threaded fit with the second threaded hole. One end of the second horizontal screw rod is connected with a third rotating handle 18. The other end of the second horizontal screw rod penetrates through the second fixing block 19 and is rotatably connected with a second slider 29 through a bearing. A matching second guiding groove 33 is provided on the frame 10 corresponding to the second slider 29. The lower end of the second slider 29 is slidably arranged in the second guiding groove 33. A fourth motor is arranged in the second slider 29. The fourth motor is connected with a vertical rotating rod 30. The upper end of the rotating rod 30 is fixedly connected with the pulley wheel 17. The fourth motor drives the pulley wheel to rotate, further improving the edge pressing effect on the lower surface of the rubber tape. By rotating the third rotating handle 18, the distance between the two pulley wheels 17 can be flexibly adjusted, facilitating the bottom fitting of the edge wrapping tape 5 on rubber tapes 3 with different widths.

[0029] Working principle: The rubber belt 3 to be edge-wrapped passes through the conveyor belt 2 of the belt conveyor 1 and is transported into the cutting machine. Edge-wrapping tapes 5 are provided on both unwind rollers 4. When the rubber belt 3 passes through the belt conveyor 1, it first passes through the first pressure roller 6, and the first pressure roller 6 flattens the rubber belt 3. After passing through the first pressure roller, the edge-wrapping tapes 5 on the two unwind rollers 4 are respectively attached to the edges on both sides of the rubber belt 3 and then pass through two edge-pressing rollers 8. Under the action of the edge-pressing rollers 8, half of the width of the edge-wrapping tape 5 is pressed onto the rubber belt 3. Then, after passing through the support roller 11, it enters the cutting machine body. At this time, the lower surface of the rubber belt 3 does not contact the bracket, and then it passes through the second pressure roller 12. The second pressure roller 12 presses the rubber belt 3 with the edge-wrapping tape attached as a whole to further improve the bonding degree. Subsequently, it passes through two vertical rollers 14. The two vertical rollers 14 respectively bend the edge-wrapping tapes 5 on both sides of the rubber belt 3. After the bent edge-wrapping tapes 5 pass through the cone pulley 17, under the action of the cone pulley 17, the bent edge-wrapping tapes 5 are attached to the lower surface of the rubber belt 3. Finally, the rubber belt 3 passes through the upper pressure roller 26 and the lower pressure roller 27, so that the edge-wrapping tape 5 is attached to the upper and lower surfaces of the rubber belt 3, and the edge-wrapping of both sides of the rubber belt 3 is completed.

[0030] The embodiments of the present invention have been described above. The above description is exemplary and not exhaustive, and is not limited to the disclosed embodiments. Many modifications and changes are obvious to those of ordinary skill in the art in the technical field without departing from the scope and spirit of the described embodiments. Any modifications, equivalent replacements, and improvements made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A cutting machine with a hemming mechanism, comprising a cutting machine body, characterized in that: The feeding end of the cutting machine body is provided with a hemming mechanism, and the hemming mechanism includes a belt conveyor and a hemming component; two unwinding rollers, a first pressure roller, and two hemming rollers are sequentially arranged on the belt conveyor along the conveying direction, and the two hemming rollers are respectively arranged on both sides of the belt conveyor; the hemming component is arranged on the frame of the cutting machine body, and the hemming component includes a support roller, a second pressure roller, two vertical rollers, two cone pulleys, and a set of upper and lower pressure rollers that cooperate with each other. The support roller cooperates with the discharging end of the belt conveyor, and the upper end of the roller body of the support roller is higher than the frame of the cutting machine body. The two vertical rollers are respectively arranged on both sides of the frame, the two cone pulleys are respectively arranged on both sides of the frame, and the upper pressure roller and the lower pressure roller are respectively connected with a first motor.

2. The cutting machine with a hemming mechanism according to claim 1, wherein: A vertical frame is fixed on the belt conveyor. One end of each of the two unwinding rollers is fixedly connected with a rotating shaft. The two rotating shafts are respectively rotatably connected to the upper part of the vertical frame through bearings and penetrate through the vertical frame. A gear is respectively fixed on each of the two rotating shafts penetrating through the vertical frame, and the two gears are connected through a transmission chain. One of the rotating shafts is connected with a second motor, and the second motor is fixed on the vertical frame.

3. The cutting machine with a hemming mechanism according to claim 1, characterized in that: A portal frame is arranged on the belt conveyor corresponding to the two hemming rollers. The two hemming rollers are respectively arranged on U-shaped frames with openings facing downwards. Both ends of the hemming rollers are respectively rotatably connected to both sides of the U-shaped frames through bearings, and the two U-shaped frames are respectively connected to the portal frame through first vertical telescopic rods.

4. The cutting machine with a hemming mechanism according to claim 3, characterized in that: A horizontal long strip-shaped through groove is arranged on the portal frame. A bidirectional screw rod is arranged in the long strip-shaped through groove. Both ends of the bidirectional screw rod are respectively rotatably connected to both ends of the long strip-shaped through groove through bearings. One end of the bidirectional screw rod penetrates through one end of the long strip-shaped through groove and is connected with a first rotating handle. Moving blocks are respectively in threaded cooperation with the forward thread and the reverse thread of the bidirectional screw rod. The width of the moving block is equal to the width of the long strip-shaped through groove. The moving block is arranged in the long strip-shaped through groove, and the fixed ends of the two first vertical telescopic rods are respectively fixedly connected with the corresponding moving blocks.

5. The cutting machine with a hemming mechanism according to claim 1, wherein: Both ends of the second pressure roller are respectively arranged on both sides of the frame through second vertical telescopic rods.

6. The cutting machine with a hemming mechanism according to claim 1, wherein: The two vertical rollers are respectively arranged on the frame through a first moving component. The first moving component includes a first fixed block, the first fixed block is fixed on the frame, a first threaded hole is arranged in the first fixed block, a first horizontal screw rod is in threaded cooperation with the first threaded hole, one end of the first horizontal screw rod is connected with a second rotating handle, the other end of the first horizontal screw rod penetrates through the first fixed block and is rotatably connected with a first sliding block through a bearing. A matching first guiding groove is arranged on the frame corresponding to the first sliding block, the lower end of the first sliding block is slidably arranged in the first guiding groove, and the top end of the first sliding block is rotatably connected with the lower end of the vertical roller through a bearing.

7. The cutting machine with a hemming mechanism according to claim 1, wherein: The two cone pulleys are respectively arranged on the frame through the second moving component. The second moving component includes a second fixed block which is fixed on the frame. A second threaded hole is provided on the second fixed block. A second horizontal screw rod is in threaded fit with the second threaded hole. One end of the second horizontal screw rod is connected with a third rotating handle. The other end of the second horizontal screw rod penetrates through the second fixed block and is rotatably connected with a second slider through a bearing. A matching second guiding groove is provided on the frame corresponding to the second slider. The lower end of the second slider is slidably arranged in the second guiding groove. The top end of the second slider is rotatably connected with the lower end of the cone pulley through a bearing.

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