CN208322791U - A set of fixture for improving wheel balance precision - Google Patents

A set of fixture for improving wheel balance precision Download PDF

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Publication number
CN208322791U
CN208322791U CN201820110813.XU CN201820110813U CN208322791U CN 208322791 U CN208322791 U CN 208322791U CN 201820110813 U CN201820110813 U CN 201820110813U CN 208322791 U CN208322791 U CN 208322791U
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China
Prior art keywords
rises
core
flange
connecting shaft
valve
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Withdrawn - After Issue
Application number
CN201820110813.XU
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Chinese (zh)
Inventor
刘伟东
江晓瑜
刘凤艳
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CITIC Dicastal Co Ltd
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CITIC Dicastal Co Ltd
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Priority to CN201820110813.XU priority Critical patent/CN208322791U/en
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Abstract

The utility model discloses a set of fixtures for improving wheel balance precision, there is chuck, pedestal, servo motor, lower platen, rubber strip, steel ball, top board, mounting plate, connecting shaft, axle sleeve, hydraulic cylinder, bearing (ball) cover, bearing, protection, rise core, rise valve, ring flange, spring, pin shaft, flange, connecting shaft, limited post composition.The utility model is able to satisfy the needs for improving wheel balance precision, while having the characteristics that structure is simple, is able to satisfy processing request convenient for production, performance stabilization, precision, adapts to the needs of automated production.

Description

A set of fixture for improving wheel balance precision
Technical field
The utility model relates to a kind of machining set-ups.
Background technique
In wheel processing industry, wheel balance amount is the key factor influenced in car comfort and safety, is 100% detection project.Meanwhile the overproof rejection rate of wheel balance is the major reason for influencing wheel yield rate, and through researching and analysing, vehicle Wheel balance is overproof may be there are many caused by factor, and the outer rim that a sequence and two sequences are formed during wherein wheel machine adds connects knife Rib is the overproof key factor of balance.The utility model describes a kind of close fixture for improving wheel balance precision, the fixture Wheel outer rim is not only able to achieve without knife is connect, improves wheel balance precision, while outer rim processing effect can be improved.
Summary of the invention
The purpose of this utility model is to provide for a set of precise clamp for improving wheel balance precision.
To achieve the goals above, the technical solution of the utility model is: a set of precision clamping for improving wheel balance precision Tool, by chuck, pedestal, servo motor, lower platen, rubber strip, steel ball, top board, mounting plate, connecting shaft, axle sleeve, hydraulic oil Cylinder, bearing (ball) cover, bearing, protection, rise core, and rise valve, ring flange, spring, pin shaft, flange, connecting shaft, limited post composition.
Mounting plate, bearing (ball) cover and flange are fixed on the base, and servo motor is mounted on mounting plate, and axle sleeve passes through two column axis Hold and be mounted on the base with bearing (ball) cover, hydraulic cylinder is fixed on inside axle sleeve, the output end of hydraulic cylinder with connect axis connection, Servo motor is connect by connecting shaft with axle sleeve, and protection, which is fixed on, rises on core.
The core that rises is connect by connecting shaft with axle sleeve, and the core that rises, connecting shaft and axle sleeve are circumferentially locked, no relative rotation, connecting shaft It can be with relative axial movement with axle sleeve.
Ring flange is fixed on flange, and ring flange and flange inner cavity form 8 uniformly distributed T-type sliding slots, and 8 valve bottom surfaces of rising are The T-type structure manufactured is corresponded with 8 T-type sliding slots respectively, the valve that rises can the smooth high-precision sliding in sliding slot.
The valve inner sidewall that rises is 15 ° of inclined-planes, ring flange and the 8 valve connections of rising respectively of the both ends of 8 springs.
Rise by core side as two groups of 15 ° of inclined-planes being evenly spaced on, every group of inclined-plane quantity is 8, and two inclined-planes have height The upper end side wall of difference, two groups of inclined-planes crosses and the conical surface, and under the collective effect of hydraulic cylinder pulling force and spring force, the core that rises is in When most bottom position, the side wall for the valve that rises and the core taper-face contact that rises, servo motor drive the core that rises to turn by connecting shaft, axle sleeve and connecting shaft 22.5 ° dynamic, the valve that rises cooperation inclined-plane can be converted between two inclined-plane of core that rises.
Hydraulic cylinder drives connecting shaft and core up and down motion of rising, and is cooperated by the inclined-plane of rise valve and the core inclined-plane that rises, 8 valves that rise Along ring flange and synchronous centripetal and centrifugal movement in 8 uniformly distributed T-type sliding slots that flange inner cavity is formed, 8 valves that rise are realized high Accurate synchronization harmomegathus function.
Since the evenly spaced inclined-plane in two groups of core side that rises is there are difference in height, when the servo motor drive core that rises rotates 22.5 °, The valve that rises cooperation inclined-plane is converted between two inclined-planes of the core that rises, so that the harmomegathus diameter for the valve that makes to rise becomes in two different ranges Change, the valve that finally rises realizes big stroke harmomegathus.
Lower platen is fixed on the base, and limited post and top board are mounted on lower platen, and steel ball and rubber strip are closed In the space that lower platen and top board are formed.
There are two bulge-structure, there is a corresponding bulge-structure in top board lower end surface for lower platen upper surface, convex on the outside of lower platen It rises and top board outside convexes to form the first jaw, lower platen inner bulge and top board inner bulge form the second jaw.
Rubber strip is enclosed in the annular groove that the first jaw and the second jaw are formed, and rubber strip can move radially in slot;Three Group steel ball is enclosed on the inside of the second jaw, and centre is separated by three limited posts, and steel ball is avoided to circumferentially rotate at work.
In work, wheel high-speed rotation, by centrifugal force, steel ball is got rid of outward, and steel ball pushes rubber strip to move outward, And wheel rim in wheel is compressed, the rubber strip of compressive state has stronger elasticity, can effectively offset wheel in process Wheel rim vibration improves wheel processing effect, and wheel outer rim realizes one-pass molding, without knife is connect, so as to improve wheel balance precision.
There is a bevel structure in lower platen outer upper end face, and after the completion of work, steel ball under the action of self-weight, is inwardly sidewindered It is dynamic, it is disengaged with rubber strip, convenient for unloading wheel.
There is corresponding pin hole in flange and ring flange, pin shaft is connect with the pin hole of flange and ring flange respectively, guarantees flange With the assembly precision of ring flange.
Before actual use, according to wheel center bore dia, the core inclined surface that rises is adjusted by servo motor and hydraulic cylinder With valve cooperation of rising.In actual use, during wheel is placed into this fixture, the valve that rises is placed into wheel center hole, rubber strip There is minim gap with wheel rim in wheel, then, hydraulic cylinder drives connecting shaft and the core vertical ascent that rises, by rise core and the valve that rises Between inclined-plane cooperation, 8 valve high-precision spreadings that rise, and tensioner bus or train route centre bore, rise core and the valve inclined-plane production precision that rises it is very high, Rise valve tensioner consistency and precision it is high, wheel alignment work complete.Then, start to process wheel, wheel high-speed rotation is led to Centrifugal force is crossed, steel ball is got rid of outward, and steel ball pushes rubber strip to move outward, and compresses wheel rim in wheel.The rubber of compressive state Adhesive tape has stronger elasticity, can effectively offset rim for automobile wheel in process and shake, improve wheel processing effect, wheel Outer rim realizes one-pass molding, without connecing knife, from achieving the purpose that improve wheel balance precision.
The utility model is able to satisfy the needs for improving wheel balance precision, at the same have structure it is simple, convenient for production, performance The characteristics of stable, precision is able to satisfy processing request, adapts to the needs of automated production.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of a set of precise clamp for improving wheel balance precision of the utility model.
Fig. 2 is rubber strip, steel ball and limited post in a set of precise clamp for improving wheel balance precision of the utility model Distribution map.
Fig. 3 is the structural schematic diagram of top board in a set of precise clamp for improving wheel balance precision of the utility model.
Fig. 4 is the structural schematic diagram of lower platen in a set of precise clamp for improving wheel balance precision of the utility model.
Fig. 5 is the functional diagram of flexible support structure in a set of precise clamp for improving wheel balance precision of the utility model.
Fig. 6 is the structural schematic diagram of limited post in a set of precise clamp for improving wheel balance precision of the utility model.
Fig. 7 is the structural schematic diagram of core of rising in a set of precise clamp for improving wheel balance precision of the utility model.
In figure, 1- chuck, 2- pedestal, 3- servo motor, 4- lower platen, 5- rubber strip, 6- steel ball pressed on 7- Plate, 8- mounting plate, 9- connecting shaft, 10- axle sleeve, 11- hydraulic cylinder, 12- bearing (ball) cover, 13- bearing, 14- protection, 15- rises core, and 16- rises valve, 17- ring flange, 18- spring, 19- pin shaft, 20- flange, 21- connecting shaft, 22- limit Column.
Specific embodiment
With reference to the accompanying drawing be described in detail according to the utility model proposes specific device details and working condition.
The a set of precise clamp for improving wheel balance precision of the utility model, mainly there is a chuck 1, pedestal 2, servo motor 3, Lower platen 4, rubber strip 5, steel ball 6, top board 7, mounting plate 8, connecting shaft 9, axle sleeve 10, hydraulic cylinder 11, bearing (ball) cover 12, axis 13 are held, protection 14, rise core 15, and rise valve 16, ring flange 17, spring 18, pin shaft 19, flange 20, connecting shaft 21, and 22 groups of limited post At.
Mounting plate 8, bearing (ball) cover 12 and flange 20 are fixed on pedestal 2, and servo motor 3 is mounted on mounting plate 8, axle sleeve 10 It is mounted on pedestal 2 by two column bearings 13 and bearing (ball) cover 12, hydraulic cylinder 11 is fixed on inside axle sleeve 10, hydraulic cylinder 11 Output end connect with connecting shaft 21, servo motor 3 is connect by connecting shaft 9 with axle sleeve 10, is protected 14 to be fixed on and is risen on core 15.
The core 15 that rises is connect by connecting shaft 21 with axle sleeve 10, and the core 15 that rises, connecting shaft 21 and axle sleeve 10 are circumferential locked, without opposite Rotation, connecting shaft 21 and axle sleeve 10 can be with relative axial movements.
Ring flange 17 is fixed on flange 20, and ring flange 17 and 20 inner cavity of flange form 8 uniformly distributed T-type sliding slots, and 8 rise 16 bottom surface of valve is to correspond the T-type structure manufactured with 8 T-type sliding slots respectively, rise valve 16 can in sliding slot smooth high-precision Sliding.
16 inner sidewall of valve that rises be 15 ° of inclined-planes, the both ends of 8 springs 18 respectively ring flange 17 and 8 rise valve 16 connection.
Rise by 15 side of core as two groups of 15 ° of inclined-plane A15-1 and inclined-plane B 15-2 being evenly spaced on, every group of inclined-plane quantity is 8, there are difference in height, the upper end side walls on two groups of inclined-planes to cross and conical surface 15-3 on two inclined-planes, in 11 pulling force of hydraulic cylinder and spring Under the collective effect of 18 elastic force, when the core 15 that rises is in most bottom position, the side wall for the valve 16 that rises is contacted with 15 conical surface 15-3 of core that rises, servo Motor 3 drives the core 15 that rises to rotate 22.5 ° by connecting shaft 9, axle sleeve 10 and connecting shaft 21, and the valve 16 that rises cooperates inclined-plane can be in the core that rises It is converted between 15 inclined-plane A15-1 and inclined-plane B 15-2.
Hydraulic cylinder 11 drives connecting shaft 21 and the up and down motion of core 15 of rising, by rising by valve 16 and the inclined-plane on 15 inclined-plane of core that rises is matched It closes, 8 the valve 16 that rises is synchronous in 8 uniformly distributed T-type sliding slots that 20 inner cavity of flange is formed centripetal along ring flange 17 and centrifugation is transported Dynamic, 8 valves 16 that rise realize high-precise synchronization harmomegathus function.
Due to the core evenly spaced inclined-plane in two groups of 15 side that rises, there are differences in height, when servo motor 3 drives the core 15 that rises to rotate 22.5 °, the valve 16 that rises cooperation inclined-plane is converted between the inclined-plane A15-1 and inclined-plane B 15-2 for the core 15 that rises, so that the valve 16 that makes to rise rises Contracting diameter changes in two different ranges, and the valve 16 that finally rises realizes big stroke harmomegathus.
Lower platen 4 is fixed on pedestal 2, and limited post 22 and top board 7 are mounted on lower platen 4, and by steel ball 6 and rubber Item 5 is enclosed in the space that lower platen 4 and top board 7 are formed.There are bulge-structure A4-1 and bulge-structure in 4 upper surface of lower platen There are corresponding bulge-structure C7-1 and bulge-structure D7-2,4 outside bulge-structure B4-2 of lower platen in B4-2,7 lower end surface of top board The first jaw is formed with 7 outside bulge-structure D7-2 of top board, 4 inner bulge structure A4-1 of lower platen and 7 inside of top board are convex It plays structure C 7-1 and forms the second jaw.
Rubber strip 5 is enclosed in the annular groove that the first jaw and the second jaw are formed, and rubber strip 5 can radially move in slot It is dynamic;Three groups of steel balls 6 are enclosed on the inside of the second jaw, and centre is separated by three limited posts 22, avoid steel ball 6 is circumferential at work from turning It is dynamic.
In work, wheel high-speed rotation, by centrifugal force, steel ball 6 is got rid of outward, and steel ball 6 pushes rubber strip 5 outward Movement, and wheel rim in wheel is compressed, the rubber strip 5 of compressive state has stronger elasticity, can effectively offset process Middle rim for automobile wheel vibration, improves wheel processing effect, and wheel outer rim realizes one-pass molding, without knife is connect, puts down so as to improve wheel Weigh precision.
There is a bevel structure 4-3 in 4 outer upper end face of lower platen, after the completion of work, steel ball 6 under the action of self-weight, to Interior side roll is disengaged with rubber strip 5, convenient for unloading wheel.
There is corresponding pin hole in flange 20 and ring flange 17, pin shaft 19 connects with the pin hole of flange 20 and ring flange 17 respectively It connects, guarantees the assembly precision of flange 20 and ring flange 17.
Before actual use, according to wheel center bore dia, it is corresponding that the core 15 that rises is adjusted by servo motor 3 and hydraulic cylinder 11 Inclined-plane and the cooperation of valve 16 of rising.In actual use, during wheel is placed into this fixture, the valve 16 that rises is placed into wheel center hole Interior, wheel rim has minim gap in rubber strip and wheel, and then, hydraulic cylinder 11 drives connecting shaft 21 and 15 vertical ascent of core that rises, By the inclined-plane cooperation among rise core 15 and the valve 16 that rises, 8 16 high-precision spreadings of valve that rise, and tensioner bus or train route centre bore, rise core 15 With rise 16 inclined-plane of valve production precision it is very high, the tensioner consistency and precision for the valve 16 that rises are high, wheel alignment work complete.So Afterwards, start to process wheel, wheel high-speed rotation, by centrifugal force, steel ball 6 is got rid of outward, and steel ball 6 pushes rubber strip 5 outward Movement, and compress wheel rim in wheel.The rubber strip 5 of compressive state has stronger elasticity, can effectively offset process The vibration of middle rim for automobile wheel improves wheel processing effect, and wheel outer rim realizes one-pass molding, without connecing knife, from reaching improvement wheel The purpose of balance quality.

Claims (3)

1. a set of fixture for improving wheel balance precision, by chuck (1), pedestal (2), servo motor (3), lower platen (4), rubber Item (5), steel ball (6), top board (7), mounting plate (8), connecting shaft (9), axle sleeve (10), hydraulic cylinder (11), bearing (ball) cover (12), bearing (13) are protected (14), the core that rises (15), the valve that rises (16), ring flange (17), spring (18), pin shaft (19), flange (20), connecting shaft (21), limited post (22) composition, it is characterised in that:
Mounting plate (8), bearing (ball) cover (12) and flange (20) are fixed on pedestal (2), and servo motor (3) is mounted on mounting plate (8), axle sleeve (10) is mounted on pedestal (2) by two column bearings (13) and bearing (ball) cover (12), and hydraulic cylinder (11) is fixed on Axle sleeve (10) is internal, and the output end of hydraulic cylinder (11) connect with connecting shaft (21), servo motor (3) pass through connecting shaft (9) and Axle sleeve (10) connection, protection (14) are fixed on the core that rises (15);
Rise core (15) connect with axle sleeve (10) by connecting shaft (21), the core that rises (15), connecting shaft (21) and axle sleeve (10) circumferential lock Extremely, no relative rotation, connecting shaft (21) and axle sleeve (10) can be with relative axial movements;
Ring flange (17) is fixed on flange (20), 8 uniformly distributed T-type sliding slots of ring flange (17) and the formation of flange (20) inner cavity, and 8 A valve that rises (16) bottom surface is to correspond the T-type structure manufactured with 8 T-type sliding slots respectively, and the valve that rises (16) can be suitable in sliding slot Smooth high-precision sliding;
Valve (16) inner sidewall that rises is 15 ° of inclined-planes, and both ends difference ring flange (17) of 8 springs (18) and 8 valves that rise (16) are even It connects;
Rise by core (15) side as two groups of 15 ° of inclined-plane A(15-1 being evenly spaced on) and inclined-plane B(15-2), every group of inclined-plane quantity It is 8, two inclined-planes are there are difference in height, and the upper end side wall on two groups of inclined-planes crosses and the conical surface (15-3), in hydraulic cylinder (11) pulling force Under the collective effect of spring (18) elastic force, when the core that rises (15) is in most bottom position, the side wall of the valve that rises (16) and core (15) cone that rises Face (15-3) contact, servo motor (3) drive core (15) rotation of rising by connecting shaft (9), axle sleeve (10) and connecting shaft (21) 22.5 °, the valve that rises (16) cooperation inclined-plane can be in the inclined-plane A(15-1 of the core that rises (15)) and inclined-plane B(15-2) between convert;
Hydraulic cylinder (11) drives connecting shaft (21) and the core that rises (15) to move up and down, and passes through the valve that rises (16) and core (15) inclined-plane that rises Inclined-plane cooperation, 8 valves that rise (16) are synchronous in 8 uniformly distributed T-type sliding slots that flange (20) inner cavity is formed along ring flange (17) Centripetal and centrifugal movement;
Lower platen (4) is fixed on pedestal (2), and limited post (22) and top board (7) are mounted on lower platen (4), and by steel ball (6) it is enclosed in the space that lower platen (4) and top board (7) are formed with rubber strip (5);
There is bulge-structure A(4-1 in lower platen (4) upper surface) and bulge-structure B(4-2), top board (7) lower end surface has corresponding convex Play structure C (7-1) and bulge-structure D(7-2), lower platen (4) outside bulge-structure B(4-2) and top board (7) outside protrusion knot Structure D(7-2) form the first jaw, lower platen (4) inner bulge structure A(4-1) and top board (7) inner bulge structure C (7-1) Form the second jaw;
Rubber strip (5) is enclosed in the annular groove that the first jaw and the second jaw are formed, and rubber strip (5) can move radially in slot;
Three groups of steel balls (6) are enclosed on the inside of the second jaw, and centre is separated by three limited posts (22), and steel ball (6) is avoided to work In circumferentially rotate.
2. a set of fixture for improving wheel balance precision according to claim 1, it is characterized in that: on lower platen (4) outside End face has a bevel structure (4-3), after the completion of work, steel ball (6) under the action of self-weight, inside side roll, with rubber strip (5) it disengages, convenient for unloading wheel.
3. a set of fixture for improving wheel balance precision according to claim 1, it is characterized in that: flange (20) and ring flange (17) there is corresponding pin hole in, pin shaft (19) is connect with the pin hole of flange (20) and ring flange (17) respectively, is guaranteed flange (20) With the assembly precision of ring flange (17).
CN201820110813.XU 2018-01-23 2018-01-23 A set of fixture for improving wheel balance precision Withdrawn - After Issue CN208322791U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201820110813.XU CN208322791U (en) 2018-01-23 2018-01-23 A set of fixture for improving wheel balance precision

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Application Number Priority Date Filing Date Title
CN201820110813.XU CN208322791U (en) 2018-01-23 2018-01-23 A set of fixture for improving wheel balance precision

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108214040A (en) * 2018-01-23 2018-06-29 中信戴卡股份有限公司 A set of fixture for improving wheel balance precision
CN109866061A (en) * 2019-03-18 2019-06-11 中信戴卡股份有限公司 It is a kind of for processing the turning attachment of wheel hub
EP3756907A1 (en) * 2019-06-27 2020-12-30 Citic Dicastal Co., Ltd. Compound wheel assembling apparatus

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108214040A (en) * 2018-01-23 2018-06-29 中信戴卡股份有限公司 A set of fixture for improving wheel balance precision
CN109866061A (en) * 2019-03-18 2019-06-11 中信戴卡股份有限公司 It is a kind of for processing the turning attachment of wheel hub
CN109866061B (en) * 2019-03-18 2023-09-08 中信戴卡股份有限公司 Lathe fixture for machining hubs
EP3756907A1 (en) * 2019-06-27 2020-12-30 Citic Dicastal Co., Ltd. Compound wheel assembling apparatus
US11878553B2 (en) 2019-06-27 2024-01-23 Citic Dicastal Co., Ltd. Compound wheel assembling apparatus

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Granted publication date: 20190104

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Granted publication date: 20190104

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