External claw device for giant tire vulcanizer

Abstract

The utility model discloses a kind of outer claw devices of giant tire vulcanizing machine, including the radially movable telescopic arm of the multiple that is set at the tire upper and circumference uniform distribution, the fixed frame of telescopic arm is connected with tire grabber, cantilever is equipped in telescopic arm outer end, outer claw is hinged in cantilever lower end, each outer claw is equipped with drive cylinder to drive outer claw swing to realize the opening or clamping of outer claw;Vacuum chuck is arranged on the inner surface of outer claw, which can adsorb tire tread.The utility model sets up vacuum chuck on the inner surface of outer claw, uses vacuum chuck to adsorb tire tread, to bear certain tire weight, play the role of auxiliary support;Prevent green tire or finished tire from being deformed due to self weight and damaging bead due to self weight.

Description

TECHNICAL FIELD

[0001] The utility model relates to giant tire vulcanizing machine component mechanism, concretely is a giant tire vulcanizing machine outer claw device. BACKGROUND

[0002] The conventional tire grabbing mode of the giant tire vulcanizing machine is to hook the tire bead (inner steel ring) by the claw pieces of different quantities to grab the tire. However, due to the large weight of the single tire of the giant tire, after the tire grabber grabs the tire, the tire will sag due to the weight, and if the grabbing time is long, the bead ring will be deformed or the sidewall steel wire will be deformed.

[0003] To solve the above problems, the outer claw device is added to the tire grabber later, and the utility model patent with the announcement number of CN203246019U discloses a giant tire shaping vulcanizing machine tire loading mechanism tire grabber, which comprises a fixed disc and an inner claw device for lifting the upper steel ring of the tire blank, the inner claw device is arranged on the bottom of the fixed disc in a circumferential manner through an inner claw radial movement mechanism, further comprising an outer claw device for supporting the lower tire surface of the tire blank, the outer claw device is arranged below and around the inner claw device in a circumferential manner through an outer claw radial movement mechanism and an outer claw lifting mechanism. The tire grabber of the utility model adopts the combined mode of the inner and outer claw devices to grab the giant tire blank, the inner claw device pulls the upper steel ring of the tire blank, and the outer claw device supports the lower tire surface of the tire blank, thereby effectively preventing the deformation of the tire blank and improving the quality of the vulcanized tire. Although the above-mentioned scheme uses the supporting plate of the outer claw device to support the lower sidewall of the tire, thereby preventing the deformation of the tire blank or the finished tire. However, the outer claw device has the following disadvantages: complex and heavy structure, high cost, great adjustment difficulty, small application range, and interference with the tire blank vehicle and the mold. SUMMARY

[0004] In view of the deficiencies of the prior art, the utility model provides a giant tire vulcanizing machine outer claw device, which uses a vacuum chuck to adsorb the column tire, plays an auxiliary supporting role, and has the advantages of simple structure, safe and reliable tire grabbing, and no interference with the tire blank vehicle and the mold.

[0005] The giant tire vulcanizing machine outer claw device that can solve the above technical problems has the technical scheme comprising

[0006] A plurality of radially movable telescopic arms are arranged in a circumferential manner above the tire, the telescopic arms are connected with the fixed frame of the tire grabber, the outer end of the telescopic arm is provided with a cantilever, the outer claw is hinged to the lower end of the cantilever, each outer claw is provided with a driving cylinder to drive the outer claw to swing and realize the opening or clamping of the outer claw; a vacuum chuck for adsorbing the tire surface is arranged on the inner surface of the outer claw.

[0007] Further, in order to adapt to the grabbing of vulcanized tires of different specifications and have a simple structure, a plurality of positioning pin holes are opened at equal intervals on the telescopic arm, a sliding groove is arranged on the fixed frame, the telescopic arm is in sliding cooperation with the sliding groove and is locked by the positioning pin to realize the extension and contraction of the telescopic arm.

[0008] Further, in order to save cost and without adding additional equipment, the vacuum chuck is communicated with the air source of the curing machine through a pipeline, and an electromagnetic valve is arranged on the pipeline.

[0009] Compared with the prior art, the utility model has the following advantages:

[0010] 1. The inner surface of the outer claw is provided with a vacuum chuck, which adsorbs the tire tread to bear a certain tire weight and plays an auxiliary supporting role; prevents deformation of the tire sidewall steel wire and damage to the sub-port; in addition, compared with the existing technology of supporting the tire lower sidewall by a supporting plate, the utility model uses a vacuum chuck to adsorb the tire tread, which is simpler in structure, does not interfere with the tire building machine and the mold, has a wide application range, and is more uniform in stress and has negligible damage to the tire.

[0011] 2. The opening and closing of the outer claw adopts a telescopic arm structure, the telescopic arm has multiple gears to meet the needs of different sizes of tires; since the giant tire curing machine does not frequently change the curing tire specifications, the telescopic arm does not need to be driven by a driving cylinder and can be manually adjusted by a bolt positioning, which is simple to operate, easy to realize and high in synchronism. BRIEF DESCRIPTION OF DRAWINGS

[0012] Figure 1 Fig. 1 is a structural schematic view of the opening of the outer claw of the utility model;

[0013] Figure 2 Fig. 2 is a structural schematic view of the clamping of the outer claw of the utility model.

[0014] Figure number identification: 1, telescopic arm; 2, fixed frame; 3, cantilever; 4, outer claw; 5, driving cylinder; 6, vacuum chuck; 7, positioning pin hole; 8, positioning pin; 9, sliding slot; 10, inner claw; 11, tire. DETAILED DESCRIPTION

[0015] The technical solutions of the utility model will be further described below in combination with the embodiments shown in the drawings.

[0016] As shown in the drawings, Figure 1 The utility model discloses a giant tire curing machine outer claw device of giant tire curing machine tire grabber, and the tire grabber further comprises a fixed frame 2 and an inner claw 10 arranged on the inner side.

[0017] As shown in the drawings, Figure 1 , 2As shown, the external claw device of this utility model includes two radially movable telescopic arms 1 positioned above the tire 11 and on the same diameter as the tire 11. The fixing frame 2 is provided with a sliding groove 9, and the telescopic arms 1 slide within the sliding groove 9. Multiple positioning pin holes 7 are evenly spaced on the telescopic arms 1. Depending on the specifications of the tire 11, the telescopic arms 1 are adjusted accordingly. After adjustment to the appropriate position, positioning pins 8 are inserted into the positioning pin holes 7 for positioning and locking. The method for adjusting the length of the telescopic arms 1 is simple, reliable, and easy to operate.

[0018] The cantilever 3 is placed at the outer end of the telescopic arm 1, and the outer claw 4 is hinged to the lower end of the cantilever 3. Each outer claw 4 is equipped with a drive cylinder 5, which drives the outer claw 4 to swing to open or clamp.

[0019] One or more vacuum suction cups 6 are laid on the inner surface of the outer claw 4. For example Figure 2 As shown, under the action of the drive cylinder 5, the outer claw 4 clamps and holds the tire 11 tread inward. Then, the vacuum suction cup 6 activates, adsorbing the tire 11 tread and assisting in bearing the weight of the tire 11, thus providing auxiliary lifting. When the outer claw 4 needs to open, the vacuum suction cup 6 releases air to relieve pressure, and then the drive cylinder 5 drives the outer claw 4 to open, releasing the tire 11 for easy tire installation or removal. Figure 1 As shown. The outer claw 4 generally clamps the upper part of the tire tread and plays an auxiliary supporting role, so it will not interfere with the tire blank vehicle when taking out the tire blank, nor will it interfere with the mold tread block when loading the tire, and has a wide range of applications.

[0020] The vacuum suction cup 6 is connected to the gas source of the vulcanizing machine through a pipeline, and a solenoid valve is installed on the pipeline to control the suction force and unloading force of the vacuum suction cup 6.

[0021] When the tire gripper picks up the tire 11, the inner claw 10 hooks onto the tire bead of the tire 11, and the outer claw 4 hugs the tire tread from the outside and is adsorbed by the vacuum suction cup 6, which plays an auxiliary supporting role and bears part of the weight of the tire 11, thereby preventing the tire blank or finished tire from sagging due to its own weight, causing deformation of the sidewall steel wires and damage to the bead.

[0022] The above embodiments are merely specific examples to further illustrate the purpose, technical solution, and beneficial effects of this utility model, and the present invention is not limited thereto. Any modifications, equivalent substitutions, improvements, etc., made within the scope of the disclosure of this utility model are included within the protection scope of this utility model.

Claims

1. An outer claw device for a giant tire vulcanizer, characterized by: The application relates to a tire (11) grabbing device, which comprises a plurality of radially movable telescopic arms (1) arranged above the tire (11) and distributed in a circumferential direction, the telescopic arms (1) being connected with a fixed frame (2) of the grabbing device, the outer end of each telescopic arm (1) being provided with a cantilever arm (3), an outer claw (4) being hinged to the lower end of the cantilever arm (3), each outer claw (4) being provided with a driving cylinder (5) to drive the outer claw (4) to swing and realize the opening or clamping of the outer claw (4), and a vacuum chuck (6) capable of adsorbing the tire tread of the tire (11) being arranged on the inner surface of the outer claw (4).

2. The outboard claw device of the giant tire vulcanizer according to claim 1, characterized in that: A plurality of positioning pin holes (7) are arranged on the telescopic arms (1) at equal intervals, a sliding groove (9) is arranged on the fixed frame (2), the telescopic arms (1) are in sliding cooperation with the sliding groove (9) and are locked through positioning pins (8) to realize the telescoping of the telescopic arms (1).

3. The extruder shoe apparatus of claim 1 or 2, wherein: The vacuum chuck (6) is communicated with the air source of a vulcanizing machine through a pipeline, and an electromagnetic valve is arranged on the pipeline.

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