Tire clamping mechanism suitable for tire nailing equipment

Abstract

The utility model discloses a tire clamping mechanism suitable for tire nailing equipment. The tire clamping mechanism comprises a rack, a driving chuck, a driven chuck, a driving mechanism and an inflating mechanism, the driving mechanism is arranged on the rack, and the output end of the driving mechanism is connected with the driving chuck; a first connecting piece is coaxially and fixedly arranged in the middle of one end, back on to the driving chuck, of the driven chuck, and the first connecting piece is in running fit with the rack; an inflation channel penetrating in the axial direction is formed in the center of the first connecting piece, and the end, away from the driven chuck, of the inflation channel is connected with an inflation mechanism. A through inflation hole communicated with the inflation channel is formed in the center of the driven chuck. The inflation channel is arranged on the first connecting piece to serve as an inflation path of the inflation mechanism, namely, the inflation path of the inflation mechanism is arranged on one side of the driven chuck, so that the problem that the inflation path needs to be provided by a driving mechanism is solved, a right-angle hollow power piece is avoided, and the cost is reduced.

Description

TECHNICAL FIELD

[0001] The utility model belongs to tire anti -slip stud inlaying auxiliary equipment technical field, specifically related to a tire clamping mechanism suitable for tire stud equipment. BACKGROUND

[0002] At present, in order to solve the skidding of various vehicles in the process of driving on ice and snow road surface due to the insufficient tire grip, the anti -slip stud is inlaid on the surface of tire, wherein the anti -slip stud is inlaid along the circumferential direction on the circumference of tire, therefore, the existing anti -slip stud inlaying equipment includes stud inlaying mechanism and tire clamping mechanism for clamping tire and enabling tire to rotate, and the tire clamping mechanism is provided with inflating mechanism to realize the stability of tire pressure in the process of stud inlaying.

[0003] The existing tire clamping mechanism is provided with driving chuck and driven chuck for clamping tire on the frame, the driving chuck is connected with driving mechanism, the driven chuck is rotationally matched with the frame, and the driving mechanism is used to control the movement and rotation of the driving chuck, and the inflating path of the inflating mechanism is arranged on the side of the driving mechanism, in order to provide the inflating path, the driving mechanism usually needs to adopt the power piece of hollow right angle type, and the hollow structure in the power piece is used as the inflating path, but the power piece of hollow right angle type is high in price.

[0004] Based on the above problems, the present application provides a tire clamping mechanism suitable for tire stud equipment, the inflating path of the inflating mechanism is arranged on the side of the driven chuck, thereby avoiding the problem that the driving mechanism provides the inflating path, and further avoiding the use of the power piece of hollow right angle type, thereby reducing the cost. UTILITY MODEL CONTENTS

[0005] The utility model aims at overcoming the insufficient of prior art, and provides a tire clamping mechanism suitable for tire stud equipment.

[0006] A tire clamping mechanism suitable for tire stud equipment, including frame, driving chuck, driven chuck, driving mechanism, inflating mechanism,

[0007] The driving mechanism is arranged on the frame, and the output end of the driving mechanism is connected with the driving chuck,

[0008] The first connecting piece is rotationally matched with the frame,

[0009] The center of the first connecting piece is provided with the inflating channel that penetrates along the axial direction, and the end, away from the driven chuck, of the inflating channel is connected with the inflating mechanism,

[0010] The center of the driven chuck is provided with a through inflation hole connected with the inflation channel.

[0011] Preferably, the driving mechanism comprises a linear feed mechanism and a rotating mechanism.

[0012] The linear feed mechanism comprises a linear guide rail fixedly arranged on the rack, a slide block slidingly fitted on the linear guide rail in the axial direction of the driving chuck, a nut fixedly arranged on the slide block, and a screw rod adaptedly connected with the nut and extending in the axial direction of the driving chuck, wherein one end of the screw rod away from the driving chuck is connected with a screw rod rotation driving part.

[0013] The rotating mechanism is connected with the slide block.

[0014] Preferably, the screw rod rotation driving part comprises a slave pulley, a master pulley and a synchronous belt, the slave pulley is coaxially fixedly connected with the screw rod, the master pulley is coaxially fixedly connected with the output shaft of the servo motor, and the slave pulley and the master pulley are drivingly connected through the synchronous belt.

[0015] Preferably, a latch air cylinder is arranged on the rack, the piston rod end of the latch air cylinder is fixedly connected with a locking disc, and the locking disc faces the slave pulley.

[0016] Preferably, the rotating mechanism comprises a support housing fixedly connected with the slide block, a torque motor is arranged inside the support housing, and one axial end of the rotor of the torque motor is coaxially fixedly connected with the driving chuck.

[0017] Preferably, a through hole is arranged at the center of the driving chuck, and a tire pressure detection head is arranged in the through hole.

[0018] Preferably, one axial end of the rotor of the torque motor is coaxially fixedly arranged with a second connecting piece in the form of a ring structure, the second connecting piece is rotationally fitted with the support housing through a second turntable bearing, the second turntable bearing is coaxially fixedly connected with the driving chuck through a shaft sleeve, and the tire pressure detection head is arranged inside the shaft sleeve.

[0019] Preferably, the other axial end of the rotor of the torque motor is provided with an encoder for detecting the angular displacement of the tire.

[0020] Preferably, the inflation mechanism comprises an inflation tank, the outlet of the inflation tank is connected with an inflation pipe, the inflation joint of the inflation pipe is rotationally connected with the first connecting piece, and the inner cavity of the inflation joint is connected with the inflation channel.

[0021] A control valve is arranged on the inflation pipe.

[0022] Preferably, the driving chuck and the driven chuck each comprise a connecting disc and a rim for sealingly cooperating with the bead on the tire.

[0023] The utility model discloses the beneficial effect is:

[0024] (1) the utility model discloses a set up the inflation path of inflation mechanism as the inflation path on the first connecting piece, namely the inflation path of inflation mechanism is set up in the side of driven chuck, thereby avoid the problem that inflation path needs to be provided by drive mechanism, and further avoid using the power element of hollow right angle type, thereby reduce the cost.

[0025] (2) the utility model discloses through the inflation of inflation channel, inflation hole to the inflation cavity between the active chuck, driven chuck, tire bead, through the internal air pressure tension tire bead, the inlay of anti -skid nail is convenient, and the tire pressure detection head in the through hole of active chuck detects the air pressure in inflation cavity, realizes the stability of anti -skid nail inlay through guaranteeing the stability of air pressure.

[0026] (3) the utility model discloses through the encoder detection tire movement's angular displacement, to realize the accurate positioning of tire rotation angle, and further realize the accurate positioning of anti -skid nail inlay position. BRIEF DESCRIPTION OF DRAWINGS

[0027] The drawings accompanying the specification provide further understanding of the present application, the illustrative embodiments thereof, and constitute a part of the present application illustrate the present application and do not constitute an improper limitation on the present application.

[0028] Figure 1 It is the structure schematic drawing of tire clamping mechanism of the utility model applicable to tire inlay equipment;

[0029] Figure 2 It is the structure schematic drawing of active chuck, driven chuck, drive mechanism, inflation mechanism in the utility model;

[0030] Figure 3 It is the structure schematic drawing of linear feed mechanism in the utility model;

[0031] Figure 4 It is the structure schematic drawing of active chuck, driven chuck in the utility model;

[0032] Figure 5 It is the cooperation schematic drawing of encoder and torque motor in the utility model;

[0033] Among them:

[0034] 01-tire bead;

[0035] 1-frame, 2-driving chuck, 21-through hole, 3-following chuck, 31-inflation hole, 4-first connecting piece, 41-inflation channel, 42-first rotary table bearing, 43-supporting piece, 5-linear feed mechanism, 51-linear guide rail, 52-saddle, 53-screw rod, 54-following pulley, 55-main pulley, 56-synchronous belt, 57-servo motor, 6-rotary mechanism, 61-supporting housing, 62-torque motor, 63-second connecting piece, 64-second rotary table bearing, 65-axle sleeve, 7-bolt cylinder, 71-locking disc, 8-encoder, 81-static disc connecting piece, 82-moving disc connecting piece, 9-inflation joint, 91-control valve, 10-tire pressure detection head, 11-connecting disc, 12-rim. DETAILED DESCRIPTION

[0036] In order to make the technical personnel in the art better understand the technical scheme of the utility model, the utility model is further explained in detail below in combination with the drawings and specific embodiments.

[0037] Referring to the drawings Figures 1-5 A tire clamping mechanism suitable for tire studding equipment, comprising a frame 1, a driving chuck 2, a following chuck 3, a driving mechanism, and an inflation mechanism;

[0038] The driving mechanism is arranged on the frame 1, and the output end of the driving mechanism is connected with the driving chuck 2, and the driving mechanism is used to control the movement and rotation of the driving chuck;

[0039] The first connecting piece 4 is coaxially arranged in the middle of the end of the following chuck 3 away from the driving chuck 2, and the first connecting piece 4 is rotationally matched with the frame 1; specifically, the first connecting piece 4 is rotationally matched with the supporting piece 43 through the first rotary table bearing 42, and the supporting piece 43 is arranged on the frame 1;

[0040] The center of the first connecting piece 4 is provided with an inflation channel 41 penetrating in the axial direction, and the end of the inflation channel 41 away from the following chuck 3 is connected with the inflation mechanism;

[0041] The center of the following chuck 3 is provided with an inflation hole 31 penetrating and communicating with the inflation channel 41.

[0042] In the present application, the inflation channel 41 arranged on the first connecting piece 4 is used as the inflation path of the inflation mechanism, that is, the inflation path of the inflation mechanism is arranged on the side of the following chuck 3, thereby avoiding the problem of needing the driving mechanism to provide the inflation path, and further avoiding the use of a right-angle hollow power member, thereby reducing the cost.

[0043] Preferably, the driving mechanism comprises a linear feed mechanism 5 and a rotary mechanism 6.

[0044] The linear feed mechanism 5 comprises a linear guide rail 51 fixedly arranged on the frame 1, a slide 52 slidingly fitted on the linear guide rail 51 in the axial direction of the active chuck 2, a nut fixedly arranged on the slide 52, and a screw rod 53 adaptedly connected with the nut and extending in the axial direction of the active chuck 2, one end of the screw rod 53 being connected with a screw rod rotation driving part.

[0045] The rotation mechanism 6 is connected with the slide 52.

[0046] Preferably, the screw rod rotation driving part comprises a driven pulley 54 coaxially fixedly connected with the screw rod 53, a main pulley 55 coaxially fixedly connected with an output shaft of a servo motor 57, and a synchronous belt 56 drivingly connected between the driven pulley 54 and the main pulley 55.

[0047] Preferably, the frame 1 is provided with a latch cylinder 7, a piston rod end of the latch cylinder 7 being fixedly connected with a locking disc 71, the locking disc 71 facing the driven pulley 54.

[0048] In the present application, the driven pulley 54 is locked by pushing out the locking disc 71 by the latch cylinder 7, the screw rod 53 is further locked, and finally the active chuck 2 is locked.

[0049] Preferably, the rotation mechanism comprises a support housing 61 fixedly connected with the slide 52, and a torque motor 62 arranged inside the support housing 61, one axial end of an internal rotor of the torque motor 62 being coaxially fixedly connected with the active chuck 2.

[0050] Preferably, the active chuck 2 is provided with a through hole 21 in the center, and a tire pressure detection head 10 is arranged in the through hole 21.

[0051] Preferably, one axial end of the internal rotor of the torque motor 62 is coaxially fixedly arranged with a second connecting piece 63 in the form of a ring, the second connecting piece 63 is rotatably fitted with the support housing 61 through a second turntable bearing 64, the second turntable bearing 64 is coaxially fixedly connected with the active chuck 2 through a shaft sleeve 65, and the tire pressure detection head 10 is arranged inside the shaft sleeve 65.

[0052] Preferably, the other axial end of the internal rotor of the torque motor 62 is provided with an encoder 8 for detecting the angular displacement of the tire.

[0053] Specifically, a static disc connecting piece 81 of the encoder 8 is fixedly connected with the support housing 61, and a dynamic disc connecting piece 82 of the encoder 8 is connected with the internal rotor of the torque motor 62, in operation, the static disc connecting piece 81 is fixed, the dynamic disc connecting piece 82 rotates with the internal rotor of the torque motor 62, and position information is fed back in real time.

[0054] Preferably, the inflating mechanism comprises an inflating tank, an outlet of the inflating tank is connected with an inflating pipe, an inflating joint 9 of the inflating pipe is rotatably connected with the first connecting piece 4, and an inner cavity of the inflating joint 9 is connected with the inflating channel 41.

[0055] The inflating pipe is provided with a control valve 91.

[0056] Preferably, the driving chuck 2 and the driven chuck 3 each comprise a connecting disc 11 and a rim 12 for sealingly engaging with the bead 01 of the tire.

[0057] Specifically, the rims 12 of the driving chuck 2 and the driven chuck 3 are oppositely arranged.

[0058] A tire clamping mechanism suitable for a tire stud embedding device has the following specific implementation:

[0059] The tire is clamped between the driving chuck 2 and the driven chuck 3, the clamping force is provided by the linear feeding mechanism 5, after the clamping is completed, the radially outer end of the rim 12 sealingly engages with the corresponding end of the tire bead 01, so that the inflating cavity is formed among the driving chuck 2, the driven chuck 3 and the tire bead 01.

[0060] When the stud needs to be embedded, the inflating mechanism inflates the inflating cavity among the driving chuck 2, the driven chuck 3 and the tire bead 01 through the inflating channel 41 and the inflating hole 31, the tire bead 01 is tensioned by the internal air pressure, which facilitates the embedding of the stud, and the air pressure in the inflating cavity is detected by the tire pressure detection head 10 in the through hole 21 of the driving chuck 2, so that the stability of the stud embedding is realized by ensuring the stability of the air pressure.

[0061] During the embedding of the stud, the rotation mechanism 6 rotates the tire by controlling the rotation of the driving chuck 2, and the angular displacement of the tire movement is detected by the encoder 8, so as to realize the accurate positioning of the rotation angle of the tire, and then realize the accurate positioning of the embedding position of the stud.

[0062] The above describes the specific implementation of the present application in combination with the drawings, but is not a limitation of the present application, and those skilled in the art should understand that various modifications or changes made by those skilled in the art on the basis of the technical scheme of the present application without creative labor are still within the protection scope of the present application.

Claims

1. A tire clamping mechanism suitable for a tire staking apparatus, characterized by, The utility model relates to a kind of tire pressure testing device, including rack (1), active chuck (2), driven chuck (3), drive mechanism, inflation mechanism; The drive mechanism is provided on the rack (1), and the output end of the drive mechanism is connected with the active chuck (2); The middle part of the end of the driven chuck (3) away from the active chuck (2) is coaxially fixed with the first connecting piece (4), and the first connecting piece (4) is rotationally matched with the rack (1); The center of the first connecting piece (4) is provided with an inflation channel (41) penetrating in the axial direction, and the end of the inflation channel (41) away from the driven chuck (3) is connected with the inflation mechanism; The center of the driven chuck (3) is provided with an inflation hole (31) penetrating and communicating with the inflation channel (41).

2. The tire gripping mechanism suitable for tire staking equipment according to claim 1, wherein, The drive mechanism includes a linear feed mechanism (5) and a rotating mechanism (6); The linear feed mechanism (5) includes a linear guide rail (51) fixedly arranged on the rack (1), a slide ram (52) slidingly fitted on the linear guide rail (51) in the axial direction of the active chuck (2), a nut fixedly arranged on the slide ram (52), the nut adaptedly connected with a lead screw (53) extending in the axial direction of the active chuck (2), and the end of the lead screw (53) away from the active chuck (2) connected with a lead screw rotation driving part. The rotating mechanism (6) is connected with the slide ram (52).

3. The tire clamping mechanism suitable for tire staking apparatus according to claim 2, wherein, The lead screw rotation driving part includes a driven pulley (54), a main pulley (55), and a synchronous belt (56), the driven pulley (54) is coaxially fixedly connected with the lead screw (53), the main pulley (55) is coaxially fixedly connected with the output shaft of a servo motor (57), and the driven pulley (54) and the main pulley (55) are drivingly connected through the synchronous belt (56).

4. The tire clamping mechanism suitable for tire staking apparatus according to claim 3, wherein The rack (1) is provided with a latch air cylinder (7), the piston rod end of the latch air cylinder (7) is fixedly connected with a locking disc (71), and the locking disc (71) faces the driven pulley (54).

5. The tire gripping mechanism suitable for tire staking equipment according to claim 2, wherein, The rotating mechanism includes a support housing (61) fixedly connected with the slide ram (52), a torque motor (62) arranged in the support housing (61), and the axial end of the rotor in the torque motor (62) is coaxially fixedly connected with the active chuck (2).

6. Tyre clamping mechanism suitable for tyre studding apparatus according to claim 5, characterized in that, The center of the active chuck (2) is provided with a through hole (21), and a tire pressure detection head (10) is arranged in the through hole (21).

7. Tyre clamping mechanism suitable for tyre studding apparatus according to claim 6, characterized in that, The axial end of the rotor in the torque motor (62) is coaxially fixedly arranged with a second connecting piece (63) in the form of a ring structure, the second connecting piece (63) is rotationally matched with the support housing (61) through a second turntable bearing (64), the second turntable bearing (64) is coaxially fixedly connected with the active chuck (2) through a shaft sleeve (65), and the tire pressure detection head (10) is arranged in the shaft sleeve (65).

8. The tire gripping mechanism suitable for tire staking equipment according to claim 5, wherein, The other axial end of the rotor in the torque motor (62) is provided with an encoder (8) for detecting the angular displacement of the tire.

9. The tire gripping mechanism suitable for tire staking equipment according to claim 1, wherein, The inflating mechanism comprises an inflating tank, an outlet of the inflating tank is connected with an inflating pipe, an inflating joint (9) of the inflating pipe is rotatably connected with the first connecting piece (4), and an inner cavity of the inflating joint (9) is connected with an inflating channel (41). A control valve (91) is arranged on the inflating pipe.

10. The tire gripping mechanism suitable for tire staking equipment according to claim 1, wherein, The active chuck (2) and the driven chuck (3) each comprise a connecting disc (11) and a rim (12) for sealingly cooperating with a bead (01) on the tire.

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