Automatic tire locking device

Abstract

The utility model discloses an automatic tire locking device which is fixed on a tire balancing machine and comprises a mounting seat, an air cylinder, a magnetic suspension motor and a main shaft fixing sleeve arranged on the magnetic suspension motor, the main shaft fixing sleeve is arranged on a main shaft of the magnetic suspension motor, and a locking spring is arranged in the main shaft fixing sleeve; the main shaft of the magnetic suspension motor is also sleeved with a transmission shaft flange; a spindle connecting sleeve is fixed to the spindle end of the magnetic suspension motor. A locking push-pull rod is arranged in the self-locking channel, and a locking structure connected with the locking push-pull rod is arranged in the main shaft connecting sleeve. A locking sleeve is arranged on the main shaft connecting sleeve; the tire is located on the main shaft connecting sleeve, and the locking spring enables the locking sleeve and the transmission shaft flange to clamp and position the tire through the locking push-pull rod. The tire disassembling device is reasonable in structural arrangement, convenient to operate, stable and reliable to use, beneficial to improving the tire assembling efficiency, simple in overall structure, convenient to disassemble, assemble and maintain and high in applicability, and the tire disassembling operation is convenient.

Description

TECHNICAL FIELD

[0001] The utility model belongs to tire balancing machine parts technical field, concretely relates to a tire automatic locking device. BACKGROUND

[0002] Tire balancing machine is a kind of common tire calibration equipment, it is generally including machine body and the axle structure for positioning tire set on machine body, the axle structure of prior art needs to be screwed after being put into tire and is connected with pressure ring to tire clamping positioning, it although can satisfy the use demand of general situation, but its use stability is limited, and operation is relatively more cumbersome, to some extent, it will affect the efficiency of tire assembly, and the applicability is limited. CONTENT OF UTILITY MODEL

[0003] The utility model aims at providing a kind of tire automatic locking device with reasonable structure and facilitating to improve tire assembly efficiency.

[0004] The technical scheme for realizing the utility model is a kind of tire automatic locking device, fixed on tire balancing machine, including mounting seat, cylinder and magnetic suspension motor fixed on the mounting seat, main shaft fixing sleeve setting on the magnetic suspension motor, the main shaft fixing sleeve is set on the main shaft of the magnetic suspension motor, and locking spring is set in the main shaft fixing sleeve;

[0005] The main shaft of the magnetic suspension motor is also provided with transmission shaft flange, and the transmission shaft flange is located at one end of the main shaft fixing sleeve;

[0006] The main shaft end of the magnetic suspension motor is fixed with main shaft connecting sleeve;

[0007] The main shaft center of the magnetic suspension motor and the magnetic suspension motor is provided with self-locking channel, locking push-pull rod is arranged in the self-locking channel, the end of the locking push-pull rod is in contact with the piston shaft of the cylinder, and the locking spring is arranged between the main shaft of the magnetic suspension motor and the locking push-pull rod;

[0008] Locking structure connected with the locking push-pull rod is arranged in the main shaft connecting sleeve;

[0009] Locking sleeve is arranged on the main shaft connecting sleeve;

[0010] Tire is on the main shaft connecting sleeve, and the locking spring completes the clamping positioning of tire by locking the sleeve and transmission shaft flange through locking push-pull rod.

[0011] Further preferably, the main shaft connecting sleeve is provided with a marble through slot;

[0012] The locking structure includes push rod connecting sleeve, ball spring, ball and locking ball fixing sleeve;

[0013] The push rod connecting sleeve is connected to the end of the locking push-pull rod, the locking ball fixing sleeve is connected to the end of the push rod connecting sleeve, and the ball spring and the ball are arranged between the locking ball fixing sleeve and the push rod connecting sleeve.

[0014] The locking push-pull rod drives the push rod connecting sleeve to translate, the ball compresses the ball spring, the outer surface of the ball extends out of the main shaft connecting sleeve through the ball through groove, and the outer surface of the ball is pressed against the inner wall of the locking sleeve to position the locking sleeve.

[0015] Further preferably, a plurality of parallel locking annular grooves are arranged on the inner wall of the locking sleeve.

[0016] The ball extends out of the ball through groove and is clamped into the locking annular groove to position the locking sleeve.

[0017] Further preferably, the outer wall of the locking ball fixing sleeve is inclined.

[0018] Under the action of the ball spring, the ball is located at the inclined high end of the locking ball fixing sleeve, at this time, the ball extends out of the surface of the main shaft connecting sleeve through the ball through groove, when the air cylinder is contracted, the locking push-pull rod is separated from the air cylinder, and under the action of the locking spring, the locking sleeve is clamped to the transmission shaft flange through the ball.

[0019] The air cylinder is elongated and drives the locking push-pull rod to move outward, the ball is compressed by the friction force of the inner wall of the locking sleeve, at this time, the ball enters the inclined low end of the locking ball fixing sleeve, at this time, the surface of the ball is lower than the surface of the main shaft connecting sleeve.

[0020] Further preferably, the main shaft connecting sleeve is fixed with a main shaft plug at the end away from the air cylinder.

[0021] Further preferably, the main shaft is connected to the main shaft fixing sleeve through two bearings, the main shaft is provided with a strip-shaped guide groove, the end of the locking push-pull rod is fixed with a pin, and the locking spring is located between the bearing and the pin.

[0022] Further preferably, the magnetic levitation motor comprises a motor rotating disc, a rack and a motor stator.

[0023] The motor stator is arranged on the mounting seat, the rack is connected between the motor stator and the motor rotating disc, and the motor rotating disc is fixedly connected with the main shaft fixing sleeve.

[0024] The utility model discloses a positive effect has: the utility model discloses reasonable structure setting, its through locking spring cooperation locking push -and -pull rod and locking structure, when the cylinder contracts, the locking of locking bush can be completed to locking positioning through locking structure under the action of locking spring, and makes locking bush and transmission shaft flange complete the clamping positioning of tire, when disassembling, makes the cylinder elongation and press locking spring compression force storage, and makes locking bush and locking structure separate, the disassembly operation of tire is convenient, and its operation is convenient, and use is stable and reliable, is favorable to promote tire assembly efficiency, and whole structure is simple, and the operation of convenient dismounting and maintenance is convenient, and applicability is strong. BRIEF DESCRIPTION OF DRAWINGS

[0025] In order to make the content of the utility model more easily be clearly understood, below according to specific embodiment and combining with the drawings, the utility model is further detailed, wherein:

[0026] Figure 1 It is structure schematic view when the utility model is in working;

[0027] Figure 2 It is structure schematic view when the utility model is in locking;

[0028] Figure 3 It is split structure schematic view after removing mounting seat and cylinder of the utility model;

[0029] Figure 4 It is cross-sectional structure schematic view when the utility model is in locking;

[0030] Figure 5 It is cross-sectional structure schematic view when the utility model is in working;

[0031] Figure 6 It is structure schematic view when the utility model is assembled tire;

[0032] Figure 7 It is locking structure schematic view after the utility model is assembled tire;

[0033] Figure 8 It is structure schematic view when the utility model is installed in tire balancing machine.

[0034] Fig. 1 is the structure schematic view when the utility model is installed in tire balancing machine. DETAILED DESCRIPTION

[0035] The technical solutions in the embodiments of the utility model will be apparently and completely described in connection with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the ordinary skilled in the art without creative labor fall within the scope of the utility model.

[0036] Embodiment

[0037] As shown in Figures 1 to 8 A tire automatic locking device is fixed on a tire balancer 1, comprising a mounting seat 2, a cylinder 3 and a magnetic suspension motor 4 fixed on the mounting seat, a main shaft fixing sleeve 5 arranged on the magnetic suspension motor, the main shaft fixing sleeve is arranged on a main shaft 6 of the magnetic suspension motor, and a locking spring 7 is arranged in the main shaft fixing sleeve; in this embodiment, the magnetic suspension motor comprises a motor rotating disc 41, a rack 42 and a motor stator 43; during assembly, the motor stator is arranged on the mounting seat, the rack is connected between the motor stator and the motor rotating disc, and the motor rotating disc is fixedly connected with the main shaft fixing sleeve. The above-mentioned structures are all conventional structures of the prior art, so they are not described in detail, but only simply applied.

[0038] In this embodiment, a transmission shaft flange 8 is further sleeved on the main shaft of the magnetic suspension motor, and the transmission shaft flange is located at one end of the main shaft fixing sleeve; the transmission shaft flange is mainly used for cooperating with the locking sleeve to complete the clamping positioning of the tire, and a main shaft connecting sleeve 9 is fixed to the end of the main shaft of the magnetic suspension motor; during processing, a self-locking channel 10 is arranged at the center of the magnetic suspension motor and the main shaft of the magnetic suspension motor, a locking push-pull rod 11 is arranged in the self-locking channel, the end of the locking push-pull rod is in contact with the piston shaft of the cylinder, and the locking spring is arranged between the main shaft of the magnetic suspension motor and the locking push-pull rod; since the piston shaft of the cylinder and the locking push-pull rod are not fixed, the normal rotating action of the tire will not be affected.

[0039] When the cylinder is elongated, the piston shaft of the cylinder will abut against the end face of the locking push-pull rod, and can push the locking push-pull rod outward and compress the locking spring; when the cylinder is contracted, the piston shaft of the cylinder is separated from the locking push-pull rod, at this time, the locking push-pull rod moves in the self-locking channel under the action of the locking spring, and the locking structure completes the locking positioning operation of the locking sleeve.

[0040] In the embodiment, a locking structure 12 connected with the locking push-pull rod is arranged in the main shaft connecting sleeve; a locking sleeve 13 is arranged on the main shaft connecting sleeve; when assembling, the tire 14 is on the main shaft connecting sleeve, the locking spring completes the clamping positioning of the tire by the locking push-pull rod and the transmission shaft flange.

[0041] In the embodiment, a ball through slot 15 is arranged on the main shaft connecting sleeve; the locking structure comprises a push rod connecting sleeve 121, a ball spring 122, a ball 123 and a locking ball fixing sleeve 124; when assembling, the push rod connecting sleeve is connected at the end of the locking push-pull rod, the locking ball fixing sleeve is connected at the end of the push rod connecting sleeve, and the ball spring and the ball are arranged between the locking ball fixing sleeve and the push rod connecting sleeve; the locking push-pull rod drives the push rod connecting sleeve to translate, the ball compresses the ball spring and makes the outer surface of the ball extend out of the main shaft connecting sleeve through the ball through slot and press against the inner wall of the locking sleeve to position the locking sleeve.

[0042] The main shaft connecting sleeve is locked and positioned by the ball spring cooperating with the ball pressing against the inner wall of the locking sleeve; in actual application, a plurality of parallel locking annular grooves 19 are arranged on the inner wall of the locking sleeve; the ball extends out of the ball through slot and is clamped into the locking annular groove to position the locking sleeve.

[0043] The outer wall of the locking ball fixing sleeve is arranged to be inclined; under the action of the ball spring, the ball is at the inclined high end of the locking ball fixing sleeve, at this time, the ball extends out of the surface of the main shaft connecting sleeve through the ball through slot; when the air cylinder contracts, the locking push-pull rod is separated from the air cylinder, and under the action of the locking spring, the locking sleeve is clamped to the transmission shaft flange by the ball;

[0044] The air cylinder extends and drives the locking push-pull rod to move outward, and the ball compresses the ball spring under the friction force of the inner wall of the locking sleeve; at this time, the ball enters the inclined low end of the locking ball fixing sleeve, and the surface of the ball is lower than the surface of the main shaft connecting sleeve.

[0045] In actual application, the inclined high end is at the side far away from the air cylinder, so that when the air cylinder contracts, the ball is always at the inclined high end, and under the action of the locking spring, the locking sleeve can be driven to be close to the transmission shaft flange for clamping.

[0046] In the embodiment, the end of the main shaft connecting sleeve away from the cylinder is fixed with a main shaft plug 16. The main shaft is connected in the main shaft fixing sleeve through two bearings 17, the main shaft is provided with a strip-shaped guide groove, the end of the locking push-pull rod is fixed with a pin 18, and the locking spring is between the bearing and the pin. The locking push-pull rod can drive the locking sleeve to clamp the transmission shaft flange by cooperation of the pin and the locking spring, and when the cylinder is elongated, the locking push-pull rod can move outward to loosen the locking sleeve, so that the locking sleeve is conveniently disassembled.

[0047] The utility model has the positive effect: the utility model discloses the structure is reasonable, and it is through locking spring cooperation locking push-pull rod and locking structure, when the cylinder contracts, the locking push-pull rod is driven to translate under the action of locking spring, can complete locking positioning to locking sleeve through locking structure, and makes locking sleeve and transmission shaft flange complete the clamping positioning of tire, when disassembling, makes the cylinder elongation and press locking spring compression force storage, and makes locking sleeve and locking structure separate, convenient tire disassembly operation, and its operation is convenient, and use is stable and reliable, is favorable to promote tire assembly efficiency, and whole structure is simple, and convenient to dismount and maintain operation, and applicability is strong.

[0048] The standard parts used in the embodiment can be directly purchased from the market, and the non-standard structural parts according to the description can also be directly processed according to the existing technical knowledge without doubt, and the connection mode of each part adopts the mature conventional means in the existing technology, and the machinery, parts and equipment adopt the conventional type in the existing technology, so the specific description is not made here.

[0049] Obviously, the above embodiments of the utility model are only examples for clearly illustrating the utility model, and are not the limitation of the implementation mode of the utility model. For ordinary skilled in the art, other different forms of changes or changes can be made on the basis of the above description. Here, it is not necessary and impossible to enumerate all the implementation modes. The changes or changes extended from the essential spirit of the utility model are still within the protection scope of the utility model.

Claims

1. A tire automatic locking device fixed on a tire balancing machine, characterized in that: The device comprises a mounting base, a cylinder fixed on the mounting base, a magnetic suspension motor, a main shaft fixing sleeve arranged on the magnetic suspension motor, the main shaft fixing sleeve is arranged on the main shaft of the magnetic suspension motor, and a locking spring is arranged in the main shaft fixing sleeve; A transmission shaft flange is further arranged on the main shaft of the magnetic suspension motor; A main shaft connecting sleeve is fixed on the end of the main shaft of the magnetic suspension motor; A self-locking channel is arranged at the center of the magnetic suspension motor and the main shaft of the magnetic suspension motor, a locking push-pull rod is arranged in the self-locking channel, and the locking spring is arranged between the main shaft of the magnetic suspension motor and the locking push-pull rod; A locking structure connected with the locking push-pull rod is arranged in the main shaft connecting sleeve; A locking sleeve is arranged on the main shaft connecting sleeve; The tire is arranged on the main shaft connecting sleeve, the locking spring clamps and positions the tire by the locking push-pull rod and the locking sleeve and the transmission shaft flange.

2. The automatic tire locking device according to claim 1, wherein: A ball groove is arranged on the main shaft connecting sleeve; The locking structure comprises a push rod connecting sleeve, a ball spring, a ball and a locking ball fixing sleeve; The push rod connecting sleeve is connected with the end of the locking push-pull rod, the locking ball fixing sleeve is connected with the end of the push rod connecting sleeve, and the ball spring and the ball are arranged between the locking ball fixing sleeve and the push rod connecting sleeve; The locking push-pull rod drives the push rod connecting sleeve to translate, the ball compresses the ball spring and makes the outer surface of the ball extend out of the main shaft connecting sleeve through the ball groove and press against the inner wall of the locking sleeve to position the locking sleeve.

3. The automatic tire locking device according to claim 2, wherein: A plurality of parallel locking annular grooves are arranged on the inner wall of the locking sleeve; The ball extends out of the ball groove and is clamped into the locking annular groove to position the locking sleeve.

4. The automatic tire locking device according to claim 3, wherein: The outer wall of the locking ball fixing sleeve is arranged in an inclined manner; Under the action of the ball spring, the ball is arranged at the inclined high end of the locking ball fixing sleeve, at this time, the ball extends out of the surface of the main shaft connecting sleeve through the ball groove, when the cylinder contracts, the locking push-pull rod is separated from the cylinder, and under the action of the locking spring, the locking sleeve is clamped to the transmission shaft flange by the ball; The cylinder extends and drives the locking push-pull rod to move outward, the ball compresses the ball spring under the friction force of the inner wall of the locking sleeve, at this time, the ball enters the inclined low end of the locking ball fixing sleeve, at this time, the surface of the ball is lower than the surface of the main shaft connecting sleeve.

5. The automatic tire locking device according to claim 2, wherein: A main shaft plug is fixed at the end of the main shaft connecting sleeve away from the cylinder.

6. The automatic tire locking device according to claim 2, wherein: The main shaft is connected in the main shaft fixing sleeve through two bearings, a strip-shaped guide groove is arranged on the main shaft, a pin is fixed at the end of the locking push-pull rod, and the locking spring is arranged between the bearing and the pin.

7. The automatic tire locking device according to claim 1, wherein: The magnetic suspension motor comprises a motor rotating disc, a rack and a motor stator; The motor stator is arranged on the mounting base, the rack is connected between the motor stator and the motor rotating disc, and the motor rotating disc is fixedly connected with the main shaft fixing sleeve.

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