CN113732842A

CN113732842A - Tire grinding equipment

Info

Publication number: CN113732842A
Application number: CN202111002827.2A
Authority: CN
Inventors: 吴永昌
Original assignee: Guangdong Shunde Zha No Leakage Tire Technology Co ltd
Current assignee: Guangdong Shunde Zha No Leakage Tire Technology Co ltd
Priority date: 2021-08-30
Filing date: 2021-08-30
Publication date: 2021-12-03
Anticipated expiration: 2041-08-30
Also published as: CN113732842B

Abstract

The invention discloses a tire polishing device, which comprises: the tire clamping device comprises a driving roller group, a clamping group and a positioning group, wherein the driving roller group is used for driving a tire to roll; the polishing device comprises a sliding seat group, a first lifting group, a second lifting group, a first counterweight and a polishing assembly, the polishing device moves back and forth along with the sliding seat group towards the direction of the tire clamping device, the first lifting group and the second lifting group can synchronously lift and relatively lift, the first counterweight is connected with the second lifting group, the first counterweight has upward tension on the second lifting group, and the polishing assembly is installed on the second lifting group; under the combined action of the positioning group and the clamping group, the tire can be positioned and clamped; the grinding assembly can well control grinding pressure under the action of gravity balance of the first counterweight; the tire clamping device and the polishing device are matched with each other, so that the inner wall of the tire can be stably and efficiently polished.

Description

Tire grinding equipment

Technical Field

The invention relates to tire surface treatment equipment, in particular to tire polishing equipment.

Background

At present, the anti-prick tire has a certain market, and the processing demand is very large. When a common tire is produced and delivered, a release agent is attached to the inner wall surface of the tire, and an upgraded leakproof layer needs to be sprayed and adhered to the inner wall of a corresponding ground surface of the tire, so that the release agent needs to be removed in a process before processing. The original technology is a manual polishing mode, and the production efficiency is low. The automatic sander in the market generally utilizes the tire to rotate, and simultaneously, the grinding arm is stretched into the tire to be installed with a fixed non-rotating steel wire brush to remove the release agent on the surface of the rubber. The existing polisher has the defects of unstable tire clamping and unstable polishing pressure of a polishing head, so that the polishing effect is unsatisfactory, the efficiency is low, and the polishing is not uniform.

Disclosure of Invention

The present invention is directed to solving, at least to some extent, one of the above-mentioned problems in the related art. Therefore, the invention provides a tire grinding device.

In order to achieve the purpose, the technical scheme of the invention is as follows:

according to a first aspect embodiment of the invention a tyre grinding apparatus comprises:

the tire clamping device comprises a driving roller group for driving a tire to roll, a clamping group and a positioning group, wherein at least one clamping group is arranged on the front side of the driving roller group, and at least one positioning group is arranged on the other side of the driving roller group;

grinding device, including sliding seat group, first lift group, second lift group, first counterweight and the subassembly of polishing, grinding device follows sliding seat group orientation press from both sides child device direction and come and go, first lift group is in grinding device goes up and down, second lift group with first lift group swing joint, first lift group the second lift can go up and down and go up and down in step and go up and down relatively between the group, first counterweight with second lift group link, first counterweight is right second lift group has ascending pulling force, grinding unit mount is in second lift group is last.

The tire grinding equipment provided by the embodiment of the invention has at least the following beneficial effects: under the combined action of the positioning group and the clamping group, the tire can be positioned and clamped; the grinding assembly can well control grinding pressure under the action of gravity balance of the first counterweight; the tire clamping device and the polishing device are matched with each other, so that the inner wall of the tire can be stably and efficiently polished.

According to some embodiments of the present invention, the clamping group comprises two first slides capable of moving laterally relative to each other, a first pivot clamping arm rotatably mounted on the first slides, and a first cylinder driving the first slides to move;

the positioning set comprises two second sliding seats capable of moving transversely relatively, a second rotating shaft clamping arm and a third rotating shaft clamping arm which are distributed up and down and are rotatably installed on the second sliding seats, and a stepping motor for driving the second sliding seats to move.

According to some embodiments of the invention, the tire clamping device further comprises a tire jacking mechanism comprising a first frame and a press roller group mounted on the first frame in a lifting manner, the press roller group pressing down the top of the tire placed on the tire clamping device.

According to some embodiments of the present invention, the top tire pressing mechanism further comprises a third sliding base, a second air cylinder and a second counterweight, the third sliding base is installed on the first frame in a lifting sliding manner, the pressing roller group is installed on the third sliding base, the second counterweight is connected with the third sliding base, and the second counterweight has an upward pulling force on the third sliding base.

According to some embodiments of the invention, the pressing roller group and the third sliding seat are connected through a movable seat, and the pressing roller group can swing left and right on the movable seat.

According to some embodiments of the present invention, a second frame is disposed on the sliding seat group, the first lifting group includes a first lifting table, a first driving mechanism and a third air cylinder, the first driving mechanism drives the first lifting table to lift on the second frame, and the third air cylinder is mounted on the first lifting table;

the second lifting group comprises a second lifting platform, and the second lifting platform is connected with the driving end of the third cylinder.

According to some embodiments of the invention, the first driving mechanism includes a first motor and a first screw, the first screw is mounted on the second frame along a lifting direction of the first lifting table, and the first motor drives the first screw to rotate.

According to some embodiments of the invention, the sliding seat set comprises a sliding base and a second driving mechanism for driving the sliding base to move transversely, and the upper end face of the sliding base is provided as an inclined mounting face.

According to some embodiments of the invention, the grinding assembly comprises a third driving mechanism, a transmission arm and a grinding head group, and the third driving mechanism drives the grinding head group to rotate through the transmission arm.

According to some embodiments of the present invention, the third driving mechanism includes a third motor and a transmission spline, the transmission spline is of a cylindrical external transmission spline structure, the transmission spline is vertically and rotatably mounted on the second frame, and the third motor and the transmission spline are linked through a belt mechanism;

the transmission arm is installed on the second elevating platform, just be equipped with the action wheel of mutual linkage and follow the driving wheel on the transmission arm, the action wheel cup joints on the transmission spline, the action wheel with the coaxial rotation of transmission spline, just the action wheel for transmission spline is along endwise slip, the bistrique group with follow the driving wheel and be connected.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the tire clamping device shown in FIG. 1;

FIG. 3 is a schematic view of a portion of the structure of FIG. 2;

FIG. 4 is a schematic structural view of the tire pressing mechanism in FIG. 2;

FIG. 5 is a schematic view of the grinding apparatus of FIG. 1;

FIG. 6 is a sectional view taken along line A of FIG. 5;

fig. 7 is a sectional view taken along line B of fig. 5.

Reference numerals: a machine 100; a tire 900;

a tire gripping device 101; a drive roller group 200; a roller 210; a clamping group 300; a first slider 310; a first pivot clamp arm 320; a first cylinder 330; a positioning group 400; a second slider 410; a second pivot arm clamp 420; third pivoting clip arm 430; a stepping motor 440; a tire pressing mechanism 500; a first frame 510; a set of nip rollers 520; a roller shaft 521; a third slider 530; a second cylinder 540; a second weight 550; a second chain 551; a second sprocket 552; a movable seat 560; a rotating shaft 561;

a grinding device 102; a sliding seat group 600; a second frame 601; a slide base 610; a mounting surface 611; a second drive mechanism 620; a first lifting table 701; a first drive mechanism 702; a third cylinder 703; a first electric machine 704; a first screw 705;

a second lifting group 710; a second lifting platform 711; a first weight 720; the first chain 721; a first sprocket 722; a grinding assembly 800; a third drive mechanism 810; a third motor 811; a drive spline 812; a drive arm 820; a driving wheel 821; a driven wheel 822; a cluster of grinders 830; a connecting rod 831; a sanding head 832.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the invention and are not to be construed as limiting the invention.

The invention relates to a tire buffing apparatus, which comprises a tire clamping device 101 and a buffing device 102, as shown in fig. 1. The tire clamping device 101 and the polishing device 102 can be installed on the same machine 100. The tire 900 to be ground is placed on the tire clamping device 101, the tire 900 is positioned, clamped and rolled by the tire clamping device 101, and the grinding assembly 800 of the grinding device 102 enters the tire clamping device 101 and extends into the tire 900 to grind the inner wall of the tire 900.

As shown in fig. 2, the tire gripping device 101 includes a driving roller set 200, a gripping set 300, and a positioning set 400. In this embodiment, as shown in fig. 3, the driving roller set 200 is provided with two parallel rollers 210, the rollers 210 are rotatably mounted on the machine 100, and the two rollers 210 can be linked by chain transmission, belt transmission, or the like. The tire 900 is placed on two rollers 210, and the rotation of the rollers 210 is used to drive the tire 900 to roll. At least one clamping set 300 and at least one positioning set 400 are respectively installed on the machine platform 100 at two sides of the driving roller set 200, in this embodiment, a clamping set 300 is installed at the front side of the driving roller set 200, and a positioning set 400 is installed at the rear side. The grip group 300 grips the front side of the tire 900 placed on the drive roller group 200 in the right and left directions, and the positioning group 400 positions the tire 900 on the rear side of the tire 900. In this embodiment, the clamping set 300 includes a first slide 310, a first pivot clamping arm 320, and a first cylinder 330, two first slides 310 can be slidably mounted on the machine 100 through a slide rail, each first slide 310 is correspondingly connected to one first cylinder 330, and the two first slides 310 are driven by the first cylinder 330 to move relatively. The first pivot arm 320 is pivotally mounted on the first slide 310, and as shown, the first pivot arm 320 can be mounted in an inclined orientation (as shown in fig. 3, the first pivot arm 320a), a vertical orientation (as shown in fig. 3, the first pivot arm 320b), or a horizontal orientation (not shown in this embodiment). The first pivot arm 320 of the same group moves closer or farther with the first slider 310, and respectively clamps the left and right sidewalls of the tire 900, and the first pivot arm 320 rotates with the tire 900 when the tire 900 rolls. Positioning set 400 includes a second carriage 410, a second pivotable gripper arm 420, a third pivotable gripper arm 430, and a stepper motor 440. Each second slide 410 is rotatably mounted with at least one second pivoting arm clamp 420 and one third pivoting arm clamp 430, and the second pivoting arm clamp 420 and the third pivoting arm clamp 430 on the same second slide 410 are vertically distributed. In this embodiment, as shown, the second pivoting clip arm 420 may be disposed horizontally and in a front-to-back orientation, and the third pivoting clip arm 430 may be disposed obliquely. In this embodiment, the two second sliders 410 may be mounted on the machine platform 100 through a sliding rail, the two second sliders 410 are connected through a reverse screw, and the stepping motor 440 drives the reverse screw to rotate. Under the driving action of the stepping motor 440, the second clamping arm and the third clamping arm of the second slide 410 are positioned and moved to the set positions to clamp the tire 900, and particularly for the tire 900 which is overlapped during storage or transportation and has a changed tread width, the positioning set 400 ensures that the tire 900 can be positioned at the current position to roll.

As shown in fig. 5 and 6, the polishing apparatus 102 includes a shoe group 600, a first lifting group, a second lifting group 710, a first counterweight 720, and a polishing assembly 800. In this embodiment, the polishing device 102 is located on the left side of the tire clamping device 101, the sliding seat set 600 includes a sliding base 610 and a second driving mechanism 620, and the sliding base 610 can be slidably mounted on the machine table 100 through a transverse sliding rail. The sliding base 610 is driven by the second driving mechanism 620, the second driving mechanism 620 can adopt a motor and screw rod combined structure, the sliding base 610 is connected with the screw rod, and the screw rod is driven to rotate by the motor to drive the sliding base 610 to move back and forth towards the tire clamping device 101. The second frame 601 is installed on the sliding base 610, and the first lifting group and the second lifting group 710 are installed on the front side of the second frame 601 in a lifting and descending manner through a longitudinal sliding rail. Preferably, the upper end surface of the sliding base 610 is set to be an inclined mounting surface 611, the second frame 601 is vertically mounted on the mounting surface 611, and the polishing head 832 of the polishing assembly 800 extending into the tire 900 for polishing is inclined to the inner wall of the tire 900, which is beneficial to the polishing effect. Wherein, swing joint between first lift group and the second lift group 710, first lift group and the second lift group 710 can go on synchronous lift on second frame 601, can also carry out relative lifting movement between first lift group and the second lift group 710. The grinding assembly 800 is mounted on a second lifting group 710, as shown in fig. 5, and the grinding assembly 800 is provided with a grinding head 832, preferably a wire grinder. The first weight 720 is installed at the rear side of the second frame 601 through a longitudinal slide rail in a sliding manner, the first weight 720 and the second lifting group 710 are connected through a first chain 721 bridged on the remembered frame, and the first chain 721 is overlapped on the second frame 601 through a first chain wheel 722. The first weight 720 has an upward pulling force on the second lifting group 710 by the first chain 721. Preferably, the weight of the first weight 720, which is equal to the total weight of the second lifting group 710 and the components mounted on the second lifting group 710, is equal to the weight of the first weight 720, which is used to balance the weight of the polishing head 832. The sliding seat group 600, the first lifting group and the second lifting group 710 drive the polishing head 832 to extend into the inner wall of the tire 900 for polishing. By utilizing the gravity balance effect of the first weight 720, the polishing pressure of the polishing head 832 can be controlled by only controlling the relative distance between the polishing head 832 and the inner wall of the tire 900 by the second lifting group 710.

In some embodiments of the present invention, the first lifting group comprises a first lifting platform 701, a first driving mechanism 702 and a third cylinder 703, the second lifting group 710 comprises a second lifting platform 711, and the first lifting platform 701 and the second lifting platform 711 are arranged up and down and are mounted on the second frame 601 through a longitudinal sliding rail. The first driving mechanism 702 may be a first motor 704 and a first screw 705, the first screw 705 is vertically installed on the second frame 601, the first lifting platform 701 is connected with the first screw 705, and the first motor 704 drives the first screw 705 to rotate, so as to drive the first lifting platform 701 to lift on the second frame 601. The third cylinder 703 is mounted on the first lifting platform 701, and the driving end of the third cylinder 703 faces downward and is connected with the second lifting platform 711. The second lifting platform 711 is lifted in synchronization with the first lifting platform 701 by the third cylinder 703, and when the third cylinder 703 is activated, the second lifting platform 711 is lifted relative to the first lifting platform 701. The grinding assembly 800 is installed on the second lifting platform 711, and the grinding pressure of the grinding assembly 800 can be controlled under the gravity balance of the first counterweight member 720 by adjusting the stroke of the third cylinder 703.

In this embodiment, the grinding assembly 800 includes a third driving mechanism 810, a transmission arm 820 and a grinding head set 830, the grinding head set 830 includes a connecting rod 831 and a grinding head 832, the transmission arm 820 is installed on the second lifting platform 711, and a driving wheel 821 and a driven wheel 822 which are connected through belt transmission, chain transmission or the like are arranged inside the transmission arm 820. The head set 830 is coaxially connected to the driven wheel 822 by a connecting rod 831. The third driving mechanism 810 is connected to the driving wheel 821, specifically, the third driving mechanism 810 includes a third motor 811 and a transmission spline 812, the transmission spline 812 is a cylindrical external transmission spline 812 structure, and the transmission spline 812 is vertically and rotatably mounted on the second frame 601. The third motor 811 is linked with the transmission spline 812 by a belt mechanism. As shown in fig. 5 and 7, the driving wheel 821 is sleeved on the transmission spline 812 and can be connected with the transmission spline 812 through a bearing, the driving wheel 821 rotates synchronously with the transmission spline 812, and the driving wheel 821 can also slide on the transmission spline 812 along the axial direction relative to the transmission spline 812. The grinding head set 830 is driven to rotate by the third motor 811, the transmission spline 812 and the transmission arm 820. When the first lifting platform 701 and the second lifting platform 711 are lifted, the transmission arm 820 is lifted along with the first lifting platform 701 and the second lifting platform 711, and the driving wheel 821 is lifted relative to the transmission spline 812 at the moment.

In order to further ensure the stability of the tire 900 when rolling on the driving roller set 200 and prevent it from jumping upwards, the tire clamping device 101 is further provided with a tire jacking mechanism 500, as shown in fig. 2. The tire pressing mechanism 500 rolls and presses the top of the tire 900 from above. As shown in fig. 4, the tire pressing mechanism 500 includes a first frame 510 and a pressing roller set 520, and the first frame 510 is mounted on the machine table 100. In this embodiment, the roller group 520 is provided with two mutually parallel roller shafts 521, and the axial direction of the roller shafts 521 is parallel to the axial direction of the tire 900. The roller shaft 521 is pressed on the outer wall of the top of the tire 900 and rotates along with the rolling of the tire 900, so that the tire 900 can be effectively prevented from jumping in the rolling process.

Further, a third sliding base 530, a second air cylinder 540 and a second weight 550 are mounted on the first frame 510, the third sliding base 530 can be lifted on the first frame 510 through a longitudinal slide rail, and a driving end of the second air cylinder 540 is connected with the third sliding base 530. The second weight 550 can be slidably mounted on the first frame 510 through a longitudinal slide rail to move up and down, as shown in fig. 4, the third slide carriage 530 and the second weight 550 are respectively located at the left and right sides of the first frame 510, the third slide carriage 530 and the second weight 550 are connected through a second chain 551, a second sprocket 552 is mounted at the top of the first frame 510, and the second chain 551 straddles the second sprocket 552 from above the first frame 510. The third sliding base 530 and the second weight member 550 may be connected by a belt or other means, which is not limited herein. The second weight member 550 has a pulling-up force on the third slide carriage 530 through the second chain 551, and preferably, the weight member uses its own weight to be equal to the total weight of the third slide carriage 530 and the components mounted on the third slide carriage 530. When the press roller set 520 is pressed on the tire 900, the gravity action of the press roller set 520 is counteracted due to the gravity balance action of the second balance weight 550, the downward pressure of the press roller set 520 on the tire 900 can be controlled only by controlling the air pressure of the second air cylinder 540, and the stability of the tire 900 in rolling is ensured.

In addition to the structure of the tire pressing mechanism 500, the third slide carriage 530 is provided with a movable seat 560, the movable seat 560 is connected to the press roller set 520 through a rotating shaft 561, the space of the rotating shaft 561 is horizontal and perpendicular to the axial direction of the tire 900, and the press roller set 520 can swing left and right on the rotating shaft 561. The movable seat 560 enables the roller set 520 to be better pressed against the outer wall of the tire 900.

In the description herein, references to the description of "some specific embodiments" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

While embodiments of the invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.

Claims

1. A tire buffing apparatus comprising:

the tire clamping device (101) comprises a driving roller group (200) for driving a tire to roll, a clamping group (300) and a positioning group (400), wherein at least one clamping group (300) is arranged on the front side of the driving roller group (200), and at least one positioning group (400) is arranged on the other side of the driving roller group (200);

grinding device (102), including sliding seat group (600), first lift group, second lift group (710), first counterweight (720) and subassembly (800) of polishing, grinding device (102) along with sliding seat group (600) orientation press from both sides child device (101) direction round-trip movement, first lift group is in go up and down on grinding device (102), second lift group (710) with first lift group swing joint, first lift group, second lift group (710) between can go on synchronous lift and relative lift, first counterweight (720) with second lift group (710) are connected, first counterweight (720) to second lift group (710) have ascending pulling force, the subassembly (800) of polishing is installed on second lift group (710).

2. The tire buffing apparatus according to claim 1 wherein: the clamping group (300) comprises two first sliding seats (310) capable of moving transversely relative to each other, a first rotating shaft (561) clamping arm (320) rotatably mounted on the first sliding seats (310), and a first air cylinder (330) driving the first sliding seats (310) to move;

the positioning set (400) comprises two second sliding seats (410) capable of moving transversely relatively, a second rotating shaft (561) clamping arm (420) and a third rotating shaft (561) clamping arm (430) which are distributed up and down and rotatably installed on the second sliding seats (410), and a stepping motor (440) for driving the second sliding seats (410) to move.

3. The tire buffing apparatus according to claim 1 wherein: the tire clamping device (101) further comprises a tire jacking mechanism (500), the tire jacking mechanism (500) comprises a first rack (510) and a pressing roller group (520) installed on the first rack (510) in a lifting mode, and the top of a tire placed on the tire clamping device (101) is pressed downwards by the pressing roller group (520).

4. The tire buffing apparatus according to claim 3 wherein: the tyre jacking mechanism (500) further comprises a third sliding seat (530), a second air cylinder (540) and a second counterweight (550), the third sliding seat (530) is installed on the first rack (510) in a lifting and sliding mode, the roller group (520) is installed on the third sliding seat (530), the second counterweight (550) is connected with the third sliding seat (530), and the second counterweight (550) has upward pulling force on the third sliding seat (530).

5. The tire buffing apparatus according to claim 4 wherein: the press roller group (520) is connected with the third sliding seat (530) through a movable seat (560), and the press roller group (520) can swing left and right on the movable seat (560).

6. The tire buffing apparatus according to claim 1 wherein: a second rack (601) is arranged on the sliding seat group (600), the first lifting group comprises a first lifting table (701), a first driving mechanism (702) and a third air cylinder (703), the first driving mechanism (702) drives the first lifting table (701) to lift on the second rack (601), and the third air cylinder (703) is installed on the first lifting table (701);

the second lifting group (710) comprises a second lifting platform (711), and the second lifting platform (711) is connected with the driving end of the third cylinder (703).

7. The tire buffing apparatus according to claim 6 wherein: the first driving mechanism (702) comprises a first motor (704) and a first screw (705), the first screw (705) is mounted on the second frame (601) along the lifting direction of the first lifting platform (701), and the first motor (704) drives the first screw (705) to rotate.

8. The tire buffing apparatus according to claim 1 or 6 wherein: the sliding seat group (600) comprises a sliding base (610) and a second driving mechanism (620) for driving the sliding base (610) to move transversely, and the upper end face of the sliding base (610) is set to be an inclined mounting face (611).

9. The tire buffing apparatus according to claim 6 wherein: the grinding assembly (800) comprises a third driving mechanism (810), a transmission arm (820) and a grinding head group (830), wherein the third driving mechanism (810) drives the grinding head group (830) to rotate through the transmission arm (820).

10. The tire buffing apparatus according to claim 9 wherein: the third driving mechanism (810) comprises a third motor (811) and a transmission spline (812), the transmission spline (812) is of a cylindrical outer transmission spline (812) structure, the transmission spline (812) is vertically and rotatably installed on the second rack (601), and the third motor (811) is linked with the transmission spline (812) through a belt mechanism;

the transmission arm (820) is installed on the second lifting platform (711), a driving wheel (821) and a driven wheel (822) which are mutually linked are arranged on the transmission arm (820), the driving wheel (821) is sleeved on the transmission spline (812), the driving wheel (821) and the transmission spline (812) rotate coaxially, the driving wheel (821) slides axially relative to the transmission spline (812), and the grinding head group (830) is connected with the driven wheel (822).