Tire drive mechanism for shearing machine

Abstract

The present application relates to a kind of shearing machine tire driving mechanism comprising first roller, second roller and clamping mechanism, the first roller, second roller are all driven by first motor, small roller driven by second motor is respectively arranged on the first roller, second roller, centering mechanism for positioning the tire rotating at high speed in tire repair position is arranged between the first roller and second roller, the clamping mechanism can be moved relative to small roller and first roller, second roller, for clamping and along small roller and first roller, second roller transport tire.The present application adopts unique double-drive roller design and clamping mechanism, realizes that tire is more quickly in and out shearing machine, saves tire acceleration and kicks tire time.

Description

Technical Field

[0001] This invention relates to a tire drive mechanism for a shearing machine, belonging to the field of automobile tire manufacturing technology. Background Technology

[0002] Currently, in most existing tire factories, the tire drive mechanism uses a single roller drive. When the tire enters the drive mechanism, the roller needs to accelerate from zero speed to the tire-handling speed, and the tire kicking action needs to be completed separately, which is inefficient. Summary of the Invention

[0003] The purpose of this invention is to address the shortcomings of existing technologies by proposing a tire drive mechanism for a shearing machine that enables rapid tire entry and exit, thereby saving time on tire acceleration and kicking.

[0004] To achieve the above objectives, the present invention provides a tire drive mechanism for a shearing machine, comprising a first roller, a second roller, and a tire clamping mechanism. The first roller and the second roller are both driven by a first motor. Small rollers driven by a second motor are respectively provided on the first roller and the second roller. A centering mechanism for positioning a tire rotating at high speed in a tire repair position is arranged between the first roller and the second roller. The tire clamping mechanism is movable relative to the small rollers and the first roller and the second roller, and is used to clamp and transport the tire along the small rollers and the first roller and the second roller.

[0005] The further optimized technical solution of the present invention is as follows:

[0006] Preferably, the centering mechanism includes a centering drive cylinder, a left conical roller, a right conical roller, and a lever arm. The left and right conical rollers are respectively connected to the piston rod of the centering drive cylinder through the lever arm, which can realize the action of both conical rollers simultaneously moving towards the center.

[0007] Preferably, the piston rod of the centering drive cylinder is connected to the gear shaft via a drive arm, the gear shaft is connected to a lever arm, and the lever arm is connected to either the left or right conical roller.

[0008] Preferably, the small roller is sleeved on the end of the first roller or the second roller, and the two ends of the first roller and the second roller are respectively connected to the frame through bearings.

[0009] Preferably, the first roller is stepped.

[0010] In this way, there is a radius difference between the first roller and the second roller at the tire exit position. When the tire is transported to the tire exit position, it is only driven by the second roller and can exit directly, avoiding the tire kicking action.

[0011] Preferably, the frame is provided with a linear guide rail extending along its length, and the tire clamping and feeding mechanism is connected to a tire feeding drive cylinder, which drives the tire clamping and feeding mechanism to move on the linear guide rail.

[0012] Preferably, the tire clamping mechanism includes a tire clamping mechanism mounting base and a left clamping roller, a right clamping roller, a guide rail, a tire clamping drive cylinder, and a right tire blocking assembly mounted on the tire clamping mechanism mounting base. The left clamping roller is slidably connected to the guide rail, and the right clamping roller is slidably connected to the guide rail through the right tire blocking assembly. The left clamping roller and the right clamping roller are respectively connected to the tire clamping drive cylinder.

[0013] In the above structure, the tire clamping drive cylinder can drive the left and right clamping rollers to move relative to each other along the guide rail through the gear and rack assembly, so as to realize the action of clamping the tire in the middle or separating the tire to the sides.

[0014] Preferably, the right tire stop assembly includes a sliding seat, a swing arm, a tire stop drive cylinder, and a tire stop shaft. The sliding seat is mounted on a guide rail and can move along the guide rail. A swing arm is movably connected to each of the four corners of the top of the sliding seat. The swing arm is movably connected to the tire stop shaft. The tire stop shaft is connected to the right clamping roller. The swing arm swings back and forth under the drive of the tire stop drive cylinder.

[0015] Preferably, the lower end of the swing arm is hinged to the sliding seat via a bearing, and the upper end of the swing arm is hinged to the tire stop shaft via a pin.

[0016] In this way, the swing arm, pin, bearing, tire stop shaft, and sliding seat form a parallelogram structure. After the previous tire is sent to the tire exit position, the parallelogram structure swings backward under the action of the one-way tire stop drive cylinder to clear the position of the repaired tire and return to the tire inlet position.

[0017] Preferably, a pusher roller for pushing the tire to the exit position is provided on the outer side of the right tire stop assembly.

[0018] This invention employs a unique dual-drive roller design and tire clamping mechanism, enabling tires to enter and exit the shearing machine more quickly, saving time on tire acceleration and kicking. Attached Figure Description

[0019] The invention will now be further described with reference to the accompanying drawings.

[0020] Figure 1 This is the front view of the present invention.

[0021] Figure 2 This is a top view of the present invention.

[0022] Figure 3 This is a perspective view of the present invention.

[0023] Figure 4This is a front view of the centering mechanism in this invention.

[0024] Figure 5 This is a bottom view of the centering mechanism in this invention.

[0025] Figure 6 This is a front view of the tire clamping mechanism in this invention.

[0026] Figure 7 This is a side view of the tire clamping mechanism in this invention.

[0027] Figure 8 This is a top view of the tire clamping mechanism in this invention.

[0028] Figure 9 This is a front view of the right tire stop mechanism in this invention.

[0029] Figure 10 This is a side view of the right tire stop mechanism in this invention.

[0030] Figure 11 This is a schematic diagram of the tensioning mechanism in this invention.

[0031] In the diagram: 1. Frame, 2. First roller, 3. Second roller, 4. Small roller, 5. Centering mechanism, 501. Centering mechanism mounting base, 502. Drive arm, 503. Lever arm, 504. Right conical roller, 505. Left conical roller, 506. Bearing housing, 507. Short shaft gear, 508. Long shaft gear, 509. Centering drive cylinder, 6. Tire clamping mechanism, 601. Pushing tire seat plate, 602. Upper rack, 603. Lower rack, 6 04. Left tire blocking arm; 605. Gear seat; 606. Gear; 607. Right tire blocking mechanism; 6071. Sliding seat; 6072. Swing arm; 6073. Tire blocking shaft; 6074. Pin; 6075. Tire blocking drive cylinder; 6076. Tire pushing stop; 608. Left clamping roller; 609. Right clamping roller; 610. Right tire clamping drive cylinder; 611. Left tire clamping drive cylinder; 612. Upper guide rail; 613. Lower guide rail; 7. Tensioning mechanism; 701. Adjusting bracket; 702. Bracket; 703. Fixing plate; 704. Tensioning pulley; 705. Cover plate; 706. Tensioning pulley bearing; 8. Second motor; 9. First motor; 10. Tire delivery drive cylinder. Detailed Implementation

[0032] Example 1

[0033] like Figures 1 to 3As shown, a tire drive mechanism for a shearing machine includes a frame 1, a first roller 2, a second roller 3, a small roller 4, a centering mechanism 5, a tire clamping mechanism 6, a tensioning mechanism 7, a second motor 8, a first motor 9, and a tire delivery drive cylinder 10. The first roller 2 and the second roller 3 are arranged in parallel and are both driven to rotate by the first motor 9. A small roller 4, driven to rotate by the second motor 8, is fitted at the tire inlet end of each of the first roller 2 and the second roller 3. The small roller 4 is movably connected to the first roller 2 or the second roller 3 via bearings and retaining rings, ensuring that the small roller 4 does not interfere with or collide with the first roller 2 or the second roller 3 during rotation. The two ends of the first roller 2 and the second roller 3 are respectively mounted to the frame 1 via bearings. The first roller 2 is stepped, with the diameter of the first step being the same as the diameter of the second roller 3, and the diameter of the second step being smaller than the diameter of the second roller 3 at the tire exit position. This allows for a height difference in the tire exit position, enabling direct tire exit under the drive of the second roller 3, avoiding tire kicking. The first roller 2 and the small roller 4, as well as the second roller 3 and the small roller 4, constitute a structure for driving the tire rotation. The tire clamping mechanism 6 is used to clamp the tire and can move relative to the rollers. The centering mechanism 5 is used to position the tire rotating at high speed in the tire repair position. The centering mechanism 5 is arranged between the first roller 2 and the second roller 3.

[0034] Additionally, the small roller 4 is connected to the pulley of the second motor 8 via a belt. A pulley is mounted on the left side of the first roller 2, and this pulley is connected via a belt to a pulley located on the left side of the second roller 3. This pulley is then connected via a belt to the pulley of the first motor 9. A tensioning mechanism 7 is located on one side of the first motor 9 and the second motor 8, and is used to tension the pulleys. Figure 11 As shown, the tensioning mechanism 7 consists of an adjusting bracket 701, a bracket 702, a fixing plate 703, a tensioning pulley 704, a cover plate 705, and a tensioning pulley bearing 706. The adjusting bracket 701 is connected to the bracket 702 by bolts and the fixing plate 703. The tensioning pulley 704 is connected to the bracket 702 by the tensioning pulley bearing 706, and then fixed by the cover plate 705. The first motor 9 and the second motor 8 are controlled by frequency converters to achieve adjustable speed, thereby realizing differential speed operation between the small roller 4 and the first roller 2 and the second roller 3.

[0035] like Figure 4 and Figure 5As shown, the centering mechanism 5 includes two left and right centering drive cylinders 509 with pistons rotating in opposite directions. The piston rods of the left and right centering drive cylinders 509 are connected to the long shaft gear 508 and the short shaft gear 507 respectively through drive arms 502. The long shaft gear 508 and the short shaft gear 507 are respectively mounted in bearing seats 506 through bearings. The bearing seats 506 are set on the centering mechanism mounting base 501. The short shaft gear 507 is connected to the left conical roller 505 through a lever arm 503, and the long shaft gear 508 is connected to the right conical roller 504 through a lever arm 503. The left conical roller 505 and the right conical roller 504 are both connected by a roller shaft, bearings and a conical sleeve. The conical sleeve is connected to the roller shaft through a bearing. The roller shaft is located at the end of the lever arm 503. Both the short-shaft gear 507 and the long-shaft gear 508 have gears in their middle sections, which mesh with each other. One end of the short-shaft gear 507 and the long-shaft gear 508 are connected to the lever arm 503 via keyways, and the other end is connected to the drive arm 502 via keyways. The centering mechanism mounting base 501 is bolted to the frame 1. The left and right centering drive cylinders 509 drive the short-shaft gear 507 and the long-shaft gear 508 to rotate via the drive arm 502, which in turn causes the two lever arms 503 connected to the short-shaft gear 507 and the long-shaft gear 508 to swing. The two lever arms 503 are connected to the left conical roller 505 and the right conical roller 504, respectively, which can realize the action of the left and right conical rollers simultaneously moving towards the center.

[0036] Two linear guide rails extending along their length are provided on the frame 1. The tire clamping and feeding mechanism 6 is connected to the tire feeding drive cylinder 10, which can drive the tire clamping and feeding mechanism 6 to move on the linear guide rails. Figures 6 to 8As shown, the tire clamping mechanism 6 includes a tire clamping mechanism mounting base and a left clamping roller 608, a right clamping roller 609, an upper guide rail 612, a lower guide rail 613, a gear and rack assembly, a left tire clamping drive cylinder 611, a right tire clamping drive cylinder 610, a left tire blocking arm 604, and a right tire blocking assembly 607 installed in the tire clamping mechanism mounting base. The left and right tire clamping drive cylinders can realize the centering and clamping of the tire. The tire delivery drive cylinder 10 is connected to the tire clamping mechanism mounting base to drive the entire tire clamping mechanism to move left and right along the linear guide rail on the frame 1. The left and right tire clamping drive cylinders and the upper and lower guide rails are all mounted on the push-block tire seat 601 of the tire clamping mechanism mounting base. The left clamping roller 608 is slidably connected to the upper guide rail 612 through the left tire blocking arm 604. The right clamping roller 609 is slidably connected to the lower guide rail 613 through the right tire blocking assembly 607. The left clamping roller 608 is connected to the piston rod of the right tire clamping drive cylinder 610 through the gear and rack assembly. The right clamping roller 609 is connected to the piston rod of the left tire clamping drive cylinder 611 through the gear and rack assembly. The pistons of the left and right tire clamping drive cylinders move in opposite directions. The gear and rack assembly includes a gear seat 605, a gear 606, an upper rack 602, and a lower rack 603. The gear 606 is mounted on the gear seat 605 and meshes with the upper and lower racks located on its two sides. The upper rack 602 is connected to the piston rod of the right tire clamping drive cylinder 610 through a lug and slides along the upper guide rail 612 under the drive of the right tire clamping drive cylinder 610. The upper rack 602 is also fixedly connected to the left tire stop arm 604. The lower rack 603 is connected to the piston rod of the left tire clamping drive cylinder 611 through a lug and slides along the lower guide rail 613 under the drive of the left tire clamping drive cylinder 611. The lower rack 603 is also fixedly connected to the right tire stop assembly 607.

[0037] like Figure 9 and Figure 10As shown, the right tire stop assembly 607 includes a sliding seat 6071, a swing arm 6072, a pin 6074, a bearing, a tire stop drive cylinder 6075, and a tire stop shaft 6073. The sliding seat 6071 is mounted on the lower guide rail 613 and can move along the lower guide rail 613. A swing arm 6072 is movably connected to each of the four corners of the top of the sliding seat 6071. The upper and lower tire stop shafts 6073 are movably connected between the four swing arms 6072. The tire stop shaft 6073 is connected to the right clamping roller 609. The swing arm 6072 swings back and forth under the drive of the tire stop drive cylinder 6075. During operation, the tire stop drive cylinder 6075 moves to extend and retract the tire stop shaft 6073. The lower end of the swing arm 6072 is hinged to the sliding seat 6071 via a bearing and a pin 6074, and the upper end of the swing arm 6072 is hinged to the tire-stopping shaft 6073 via a bearing and a pin 6074. The swing arm 6072, pin 6074, tire-stopping shaft 6073, and the upper end of the sliding seat 6071 form a movable parallelogram structure. After the previous tire is delivered to the tire exit position, the parallelogram structure swings backward under the action of the unidirectional tire-stopping drive cylinder 6075, clearing the position of the repaired tire and returning to the tire inlet position. In addition, a tire pusher roller 6076 is provided on the outer side of the right tire-stopping assembly 607 to push the tire to the tire exit position.

[0038] During operation, the first roller 2 and the second roller 3 operate at the tire-handling speed (1000 rpm), while the small roller 4 operates at the tire-receiving speed (650 rpm). The tire is fed directly onto the small roller 4 from the tire feeder. At this time, the left and right clamping rollers of the tire-feeding mechanism, under the action of the tire-clamping drive cylinder and the gear and rack assembly, simultaneously clamp the tire towards the center to achieve tire alignment. Simultaneously, the small roller 4 accelerates to 1000 rpm to match the speed of the first roller 2 and the second roller 3. Then, the tire-feeding mechanism 6, under the action of the tire-feeding drive cylinder 10, smoothly transports the tire to the center position of the centering mechanism 5. The centering mechanism 5 quickly clamps the tire, allowing it to rotate stably at high speed in the tire-handling position. Simultaneously, the tire-pushing roller on the right side of the tire-feeding mechanism 6 quickly pushes the tire from the tire-handling position to the tire-exit position.

[0039] In addition to the embodiments described above, the present invention may have other implementations. All technical solutions formed by equivalent substitution or equivalent transformation fall within the protection scope claimed by the present invention.

Claims

1. A tire drive mechanism for a shearing machine, characterized in that: The device includes a first roller (2), a second roller (3), and a tire clamping mechanism (6). The first roller (2) and the second roller (3) are both driven by a first motor (9). Small rollers (4) driven by a second motor (8) are respectively provided on the first roller (2) and the second roller (3). A centering mechanism (5) is arranged between the first roller (2) and the second roller (3) to position the tire rotating at high speed in the tire repair position. The tire clamping mechanism (6) can move relative to the small rollers (4) and the first rollers (2) and the second rollers (3) to clamp and move along the small rollers (4) and the first rollers (2) and the second rollers (3). The tire is conveyed; a small roller (4) driven to rotate by a second motor (8) is fitted at the tire inlet end of the first roller (2) and the second roller (3). The small roller (4) is movably connected to the first roller (2) or the second roller (3) through bearings and snap rings. The small roller (4) does not interfere with or collide with the first roller (2) and the second roller (3) when rotating. The two ends of the first roller (2) and the second roller (3) are respectively mounted on the frame (1) through bearings. The first roller (2) is stepped. The diameter of the first step is the same as the diameter of the second roller (3). The diameter of the second step is smaller than the diameter of the second roller (3) at the tire outlet position.

2. The tire drive mechanism for a shearing machine according to claim 1, characterized in that: The centering mechanism (5) includes a centering drive cylinder (509), a left cone roller (505), a right cone roller (504), and a lever arm (503). The left cone roller (505) and the right cone roller (504) are respectively connected to the piston rod of the centering drive cylinder (509) through the lever arm (503).

3. The tire drive mechanism for a shearing machine according to claim 2, characterized in that: The piston rod of the centering drive cylinder (509) is connected to the gear shaft via the drive arm (502), the gear shaft is connected to the lever arm (503), and the lever arm (503) is connected to the left cone roller (505) or the right cone roller (504).

4. The tire drive mechanism for a shearing machine according to claim 1, characterized in that: A linear guide rail extending along its length is provided on the frame (1). The tire clamping and feeding mechanism (6) is connected to the tire feeding drive cylinder (10). The tire feeding drive cylinder (10) drives the tire clamping and feeding mechanism (6) to move on the linear guide rail.

5. The tire drive mechanism for a shearing machine according to claim 4, characterized in that: The tire clamping mechanism (6) includes a tire clamping mechanism mounting base and a left clamping roller (608), a right clamping roller (609), a guide rail, a tire clamping drive cylinder, and a right tire blocking assembly (607) mounted on the tire clamping mechanism mounting base. The left clamping roller (608) is slidably connected to the guide rail via a left tire blocking arm (604), and the right clamping roller (609) is slidably connected to the guide rail via the right tire blocking assembly (607). The left clamping roller (608) and the right clamping roller (609) are respectively connected to the tire clamping drive cylinder.

6. The tire drive mechanism for a shearing machine according to claim 5, characterized in that: The right tire stop assembly (607) includes a sliding seat (6071), a swing arm (6072), a tire stop drive cylinder (6075), and a tire stop shaft (6073). The sliding seat (6071) is mounted on a guide rail and can move along the guide rail. A swing arm (6072) is movably connected to each of the four corners of the top of the sliding seat (6071). The tire stop shaft (6073) is movably connected to the swing arm (6072). The tire stop shaft (6073) is connected to the right clamping roller (609). The swing arm (6072) swings back and forth under the drive of the tire stop drive cylinder (6075).

7. The tire drive mechanism for a shearing machine according to claim 6, characterized in that: The lower end of the swing arm (6072) is hinged to the sliding seat (6071) via a bearing and a pin (6074), and the upper end of the swing arm (6072) is hinged to the tire retaining shaft (6073) via a bearing and a pin (6074).

8. The tire drive mechanism for a shearing machine according to claim 7, characterized in that: A pusher roller (6076) for pushing the tire to the exit position is provided on the outside of the right tire stop assembly (607).

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