CN209050553U - Friction plate grinding machine - Google Patents

Abstract

The purpose of this utility model is to provide a kind of friction plate grinding machines, including frame body, elastic delivery wheel, conveying wheel drive unit, Grinding wheel, grinding driving device, regulating device；Frame body is equipped with workbench；Conveying wheel drive unit and grinding driving device are mounted on frame body, and the rotating output shaft of the two adjustable in pitch is vertically arranged in above workbench；Regulating device is mounted on the distance between axles on frame body being used to adjust conveying wheel drive unit and be ground between driving device rotating output shaft；Elastic delivery wheel and Grinding wheel, which are set with, to be fixed on conveying wheel drive unit and is ground on the rotating output shaft of driving device, and the grinding gap that can be polished friction plate is formed between elastic delivery wheel and Grinding wheel, the utility model is used to solve the problem of that stress concentration point and substance hard spot in the complicated friction plate of brake band friction machining process in the prior art to be unable to get release and softening.

Description

Friction plate grinding machine

Technical field

The utility model relates to industrial brake band processing equipment field, especially a kind of friction plate grinding machine.

Background technique

The Friction Disk Surface of brake band of washing machine will carry out grinding, in the prior art friction plate process when more adopt It needs for friction plate to be fixed on the workbench of surface grinding machine when being ground friction plate with surface grinding machine, because rubbing more Pad is easy to damage and is not easy to fix, thus mostly surface grinding machine workbench install special tooling, brake band (i.e. friction plate and Product after backboard bonding) it is fixed in tooling, starting lathe is ground friction material surface, is ground to product requirement thickness Degree.Traditional processing technology mode: raw material are pressed by mixing, kneading process by material block；Then pass through tableting process, It is processed into the big friction plate there are machining allowance, big friction plate is then cut into the friction plate that length and width meets finished product, then Bonded adhesives is applied on friction plate and backboard, is bonded after being combined into brake band, then brake band is mounted on to the special tool of surface grinding machine On work, surface grinding is carried out to the friction plate working face of brake band.

Above-mentioned processing method has the following problems:

A) since backboard is complex-shaped, so needing dedicated accessory tool, processing cost is high, complicated for operation.

B) live spindle of surface grinding machine grinding wheel also needs to move back and forth along friction plate while rotation, since friction plate is solid Fixed, grinding wheel damages friction plate or grinding wheel when being ground to fiber in friction plate so grinding wheel speed and feeding when roughly grinding in order to prevent Amount is limited, generally requires twice of corase grinding to can be only achieved requirement after refining one time again, production efficiency is low.

C) during grinding, stress concentration point and substance hard spot in friction plate be unable to get release and it is soft Change, the toughness and elasticity of friction plate are insufficient.

In view of above-mentioned processing status and the problems of, it is existing to solve there is an urgent need to design a kind of friction plate grinding machine The problem of in the presence of technology.

Utility model content

In view of the foregoing deficiencies of prior art, the purpose of this utility model is to provide a kind of friction plate grinding machines to be used for Brake band friction machining process complexity in the prior art is solved, the stress concentration point and substance hard spot in friction plate are unable to get The problem of release and softening.

In order to achieve the above objects and other related objects, the utility model provides a kind of friction plate grinding machine, including frame body, bullet Property delivery wheel, conveying wheel drive unit, Grinding wheel, grinding driving device, regulating device；The frame body is equipped with workbench；Institute It states conveying wheel drive unit and the grinding driving device is mounted on the frame body, and the rotating output shaft spacing of the two is adjustable Be vertically arranged in above the workbench；The regulating device, which is mounted on, to be used to adjust the conveying wheel drive on the frame body Distance between axles between device and the grinding driving device rotating output shaft；The elasticity delivery wheel and the Grinding wheel cover respectively Dress is fixed on the conveying wheel drive unit and the rotating output shaft of the grinding driving device, and the elastic delivery wheel and The grinding gap that can allow for friction plate polishing to pass through is formed between the Grinding wheel.

Preferably, the resilient sleeve that the elastic delivery wheel includes roller and is fixedly set on the roller, the elasticity The material of set is polyurethane.

Further, the outer diameter of the elastic delivery wheel is greater than 0.8 times of the outer diameter of the Grinding wheel, the resilient sleeve M=0.12-0.17 times of wall thickness of roller outer diameter.

Preferably, guide rail is installed on the frame body, sliding block is installed on the pedestal of the conveying wheel drive unit, it is described Sliding block is slidably mounted on the guide rail；The regulating device includes lead screw, handwheel and bolt, the handwheel and the lead screw phase It is connected；The threads of lead screw is fitted on the frame body and its axis is parallel with the guide rail, and the lead screw deviates from institute One end of handwheel is stated against on the base, the bolt screws in tapped through hole on the workbench, the bolt Small end the pedestal can be held out against along the guide rail lock.

Preferably, the friction plate grinding machine further includes at least one driven wheel group, and the driven wheel group includes two driven Wheel, the driven wheel is rotatably installed on the workbench, and main shaft is arranged along the vertical direction, the same driven wheel The driven wheel moving direction two sides adjustable in pitch that the friction plate is set in group.

Further, the driven wheel group is two, and is separately positioned on front side and the rear side in the grinding gap.

Preferably, multiple power-assisted idler wheels, Duo Gesuo are provided on the work top below friction plate movable passageway It states and lifts the lower end surface that face is higher than the Grinding wheel composed by power-assisted idler wheel.

Using the method for above-mentioned friction plate grinding machine processing brake band of washing machine, mainly include the following steps:

1) raw material are made by mixing, kneading process by material block；

2) by tableting process, material block obtained in step 1) is processed into bulk friction plate, wherein the bulk is rubbed The length direction of pad is tabletting feed direction；

3) checking step 2) obtained in big friction plate, the good face of surface roughness is determined as grinding surface, and carry out mark Note, and when the rift grain direction on big friction plate is determined as grinding big friction plate feed direction, the rift grain direction be along The direction of tabletting feeding in step 2)；

4) thickness of big friction plate is measured, and the thickness for adjusting big friction plate described in the grinding gap-ratio of the grinding machine is small 0.1-0.5mm；

5) start the conveying wheel drive unit and grinding driving device of the grinding machine, and the big Friction Disk Surface is coarse The big friction plate is pushed into the bullet along the rift grain direction of the big friction plate facing towards the elastic delivery wheel by the one of degree difference Property delivery wheel and the Grinding wheel between grinding gap in, the big friction plate is with mobile same of the elastic delivery wheel When, it is polished by the Grinding wheel of the other side, until closing the conveying wheel drive unit and grinding driving dress after the completion of grinding It sets；

6) measuring process 5) in the resulting big friction plate thickness of grinding, and adjust the grinding gap-ratio of the friction plate grinding machine The small 0.05-0.1mm of thickness of the big friction plate；

7) step 5) is repeated；

8) the resulting big friction plate of step 7) is sliced by finished product friction plate using slicer, and to each finished product friction plate Non-processing face is marked；

9) the non-processing face of the resulting finished product friction plate of step 8) is bonded on backboard, is washed after bonding solidification up to described Clothing machine brake band.

Preferably, wheel rim tangent line speed of the wheel rim tangential velocity of the Grinding wheel described in step 5) than the elastic delivery wheel Big 15-22m/s is spent, the friction plate roughness after the Grinding wheel processing is Ra1.6.

Preferably, wheel rim tangent line speed of the wheel rim tangential velocity of the Grinding wheel described in step 7) than the elastic delivery wheel Big 25-29m/s is spent, the friction plate roughness after the Grinding wheel processing is Ra0.8.

As described above, the utility model, has the advantages that the utility model can directly add friction plate Work without using special tooling and fixture, improves grinding efficiency, has liberated manpower without fixing friction plate.This is practical new Since friction plate has been at travel condition in type, when Grinding wheel is ground to the fiber in Friction Disk Surface, can both pass through Elastic delivery wheel deformation can also be avoided, therefore thick to be avoided by the movement of friction plate in the direction of movement When mill, the revolving speed and the amount of feeding of Grinding wheel are not limited by friction plate installation way, it is only necessary to once roughly grind The roughing process for completing friction plate, simplifies process, improves production efficiency.In addition the utility model using grinding machine to rubbing During pad is ground, friction plate needs between elastic delivery wheel and Grinding wheel roll-in twice, the stress in friction plate It can be released effectively, and the fibrous material hard spot in friction plate can effectively soften, the toughness and elasticity of friction plate obtain Significantly improve.

Detailed description of the invention

Fig. 1 is the main sectional view of grinding machine in the utility model embodiment；

Fig. 2 is the top view of Fig. 1.

In figure: 1, frame body；2, Grinding wheel；3, elastic delivery wheel；4, it is ground driving motor；5, delivery wheel driving motor；6, Regulating device；7, bolt；8, driven wheel group；9, power-assisted idler wheel；10, fin neck bolt；11, workbench；12, homophony knothole；13, it adjusts Knothole；14, it is open；31, roller；32, resilient sleeve；51, pedestal；52, sliding block；53, guide rail；61, lead screw；62 handwheels；63, tip Bolt；81/82, driven wheel

Specific embodiment

Structure depicted in Figure of description, ratio, size etc., only to cooperate the revealed content of specification, with Understand for those skilled in the art and read, is not intended to limit the utility model enforceable qualifications, therefore does not have skill Essential meaning in art, the modification of any structure, the change of proportionate relationship or the adjustment of size are not influencing the utility model institute Under the effect of capable of generating and the purpose that can reach, it should all still fall in what the revealed technology contents of the utility model can be covered In range.Meanwhile cited such as "upper", "lower", "front", "rear", " centre " term in this specification, it is merely convenient to chat That states is illustrated, rather than to limit the enforceable range of the utility model, relativeness is altered or modified, without substantive change Under more technology contents, when being also considered as the enforceable scope of the utility model.

As shown in Figs. 1-2, the present embodiment provides a kind of friction plate grinding machines, including frame body 1, elastic delivery wheel 3, delivery wheel to drive Dynamic motor 5, Grinding wheel 2, grinding driving motor 4, regulating device 6；Frame body 1 is equipped with workbench 11；Grinding driving motor 4 passes through Bolt 7 is fixedly mounted on frame body 1 and its rotating output shaft extend out to 11 top of workbench straight up, is set on workbench 11 It is equipped with homophony knothole 12, delivery wheel driving motor 5 is mounted on pedestal 51, and sliding block 52 is equipped on pedestal 51, and sliding block 52 is installed On guide rail 53, the rotating output shaft of delivery wheel driving motor 5 also extend out to workbench 11 out of homophony knothole 12 straight up Top；Regulating device 6 includes lead screw 61, handwheel 62 and fin neck bolt 63, and 62 rotational lead screw 61 of handwheel can be by pedestal 51 along guide rail 53 push, and fin neck bolt 63 is screwed in the tapped through hole on workbench 11, screw fin neck bolt 63, the small end of fin neck bolt 63 Pedestal 51 can be held out against and be locked along guide rail 53；Elastic delivery wheel 3 and Grinding wheel 2, which are set with, is fixed on delivery wheel driving motor 5 On the rotating output shaft of grinding driving motor 4, and one is formed between elastic delivery wheel 3 and Grinding wheel 2 and can allow for friction plate The grinding clearance t that 10 polishings pass through.

The utility model friction plate grinding machine can directly process friction plate 10, without fixed, the nothing by friction plate 10 Special tooling and fixture need to be used, grinding efficiency is improved, has liberated manpower.Since friction plate 10 has been at travel condition, When Grinding wheel 2 is ground to the fiber in 10 surface of friction plate, can both be deformed by elastic delivery wheel 3 to be avoided, Can be avoided by the movement of friction plate 10 in the direction of movement, thus corase grinding when, the revolving speed of Grinding wheel 2 and into It is not limited by 10 installation way of friction plate to amount, it is only necessary to which carrying out primary corase grinding can be completed the roughing work of friction plate 10 Sequence simplifies process, improves production efficiency.In addition in the mistake being ground using the grinding machine in the present embodiment to friction plate 10 Cheng Zhong, friction plate 10 need roll-in between elastic delivery wheel 3 and Grinding wheel 2, and the stress in friction plate 10 can be released effectively, and And the fibrous material hard spot in friction plate 10 can effectively soften, the toughness and elasticity of friction plate 10 have obtained significantly mentioning It is high.

As long as the elastic delivery wheel 3 in the utility model there can be certain elasticity, bullet can occur under the action of precompression Property deformation, and under the action of flexible deformation frictional force band movable friction plate 10 move together, structure type is unrestricted, But in view of elastic delivery wheel 3 is that vulnerable part is conveniently replaceable to save cost, elastic delivery wheel 3 includes rolling in the present embodiment Cylinder 31 and the resilient sleeve 32 being fixedly set on roller, resilient sleeve 32 can also can generate elastically-deformable material for rubber etc., But in view of rubber rate of ageing it is very fast, and polyurethane it is not only durable and also have certain viscoplasticity and hardness so The material of resilient sleeve 32 is polyurethane in the present embodiment.

In view of elastic delivery wheel 3 to the synchronous transport of friction plate 10 not only with precompression in relation to also and elastic delivery wheel 3 Contact area between friction plate 10 is related, in order to also be able to achieve conveying, elasticity in the present embodiment under lesser precompression The outer diameter of delivery wheel 3 is greater than 0.8 times of outer diameter of Grinding wheel 2, m=0.12-0.17 times of wall thickness of roller outer diameter of resilient sleeve, this Elastic deformation cannot not enough generate enough frictional force when kind set-up mode can not only prevent elastic sleeve wall thickness relatively thin, but also can prevent wall Deflection too big influence grinding accuracy when thick too big.

Grinding wheel 2 is skive in the present embodiment, and skive heat dissipation is very fast, can reduce instantaneous high-temperature and be made At friction plate 10 in friction material calcination carbonization, influence service performance.

In order to liberate manpower, the direction of travel of friction plate 10 is corrected automatically, and friction plate grinding machine further includes two in the present embodiment A driven wheel group 8, two driven wheel groups 8 be separately positioned on grinding gap front side (i.e. the front of 10 direction of travel of friction plate) and Rear side (i.e. the rear of 10 direction of travel of friction plate).Driven wheel group 8 includes driven wheel 81 and driven wheel 82, the main shaft of driven wheel 82 It is fixedly mounted on workbench 11 straight up, driven wheel 82 can be arranged in its main axis, the main shaft lower part of driven wheel 81 relatively Backstop platform (not shown), is provided with screw thread (not shown) on the main shaft of backstop platform lower part, under the main shaft of driven wheel 81 The adjustment hole 13 that is thread through in portion is connect with nut (not shown), and driven wheel 81 can also ground relative to its main axis Cut the thickness that the gap between the driven wheel on front side of gap is equal to friction plate 10 after grinding, the driven wheel on rear side of grinding gap Between gap be equal to grinding before friction plate 10 thickness.

In order to reduce the frictional resistance between 10 lower part of friction plate and workbench 11, moved in the present embodiment in friction plate 10 Multiple power-assisted idler wheels 9 are provided on 11 face of workbench below channel, multiple power-assisted idler wheels 9 are out of, opening 14 on workbench 11 Expose to 11 top of workbench, multiple power-assisted idler wheels 9 are rotatably mounted on workbench 11, and multiple power-assisted idler wheels 9 are formed The face of lifting be higher by the lower end surface h of Grinding wheel 2, the specific value of h can be determined according to the surplus of trimming.

Using the process of the friction plate grinding machine processing brake band of washing machine in the present embodiment, mainly include the following steps:

1) raw material are made by mixing, kneading process by material block；

2) by tableting process, material block obtained in step 1) is processed into bulk friction plate 10, wherein bulk friction The length direction of piece 10 is tabletting feed direction；

3) checking step 2) obtained in big friction plate 10, the good face of surface roughness is determined as grinding surface, and carry out The feed direction of big friction plate 10 when marking, and the rift grain direction on big friction plate 10 being determined as being ground, rift grain direction are suitable The direction of tabletting feeding in step 2)；

4) thickness of big friction plate 10 is measured, and adjusts the small 0.1- of thickness of the grinding big friction plate 10 of gap-ratio of grinding machine 0.5mm；

5) start the delivery wheel driving motor 5 and grinding driving motor 4 of grinding machine, and big 10 surface roughness of friction plate is poor One facing towards elastic delivery wheel 3, big friction plate 10 is pushed into elastic delivery wheel 3 and grinding along the rift grain direction of big friction plate 10 In grinding gap between wheel 2, big friction plate 10 is beaten while mobile with elastic delivery wheel 3 by the Grinding wheel 2 of the other side Mill, until closing delivery wheel driving motor 5 and grinding driving motor 4 after the completion of grinding；

6) measuring process 5) in resulting big 10 thickness of friction plate of grinding, and the grinding gap-ratio for adjusting friction plate grinding machine is big The small 0.05-0.1mm of the thickness of friction plate 10；

7) step 5) is repeated；

8) the resulting big friction plate 10 of step 7) is sliced by finished product friction plate 10 using slicer, and to each finished product friction The non-processing face of piece 10 is marked；

9) the non-processing face of the resulting finished product friction plate 10 of step 8) is bonded on backboard, is done washing after bonding solidification Machine brake band.

Preferably, the wheel rim tangential velocity of Grinding wheel 2 is bigger than the wheel rim tangential velocity of elastic delivery wheel 3 in step 5) 15-22m/s, 10 roughness of friction plate after Grinding wheel 2 is processed is Ra1.6.

Preferably, the wheel rim tangential velocity of Grinding wheel 2 is bigger than the wheel rim tangential velocity of elastic delivery wheel 3 in step 7) 25-29m/s, 10 roughness of friction plate after Grinding wheel 2 is processed is Ra0.8.

The method of this processing brake band of washing machine, in process it is not necessary that friction plate 10 is fixed, without using dedicated Tooling and fixture, improve grinding efficiency, have liberated manpower.This method, which only needs to carry out once to roughly grind, simultaneously can be completed friction The roughing process of piece 10, simplifies process, improves production efficiency.In addition this method is carrying out friction plate 10 using grinding machine During grinding, friction plate 10 needs between elastic delivery wheel 3 and Grinding wheel 2 that twice, the stress in friction plate 10 can for roll-in Fibrous material hard spot to be released effectively, and in friction plate 10 can effectively soften, and the toughness and elasticity of friction plate 10 obtain Significantly improve.

In conclusion the utility model efficiently solves brake band friction machining process complexity in the prior art, friction Stress concentration point and substance hard spot in piece are unable to get the problem of release and softening.So the utility model effectively overcomes Some practical problems in the prior art are to have very high utility value and use meaning.

Above embodiment is only illustrative of the principle and efficacy of the utility model, and not for limitation, this is practical new Type.The utility model can be improved there are many more aspect under the premise of without prejudice to overall thought, for being familiar with this technology Personage can all be carried out modifications and changes to above-described embodiment under the spirit and scope without prejudice to the utility model.Therefore, Such as those of ordinary skill in the art is in spirit revealed without departing from the utility model and institute under technical idea All equivalent modifications or change completed, should be covered by the claim of the utility model.

Claims (7)

1. a kind of friction plate grinding machine, which is characterized in that including frame body, elastic delivery wheel, conveying wheel drive unit, Grinding wheel, mill Cut driving device, regulating device；The frame body includes workbench；The conveying wheel drive unit and the grinding driving device It is mounted on the frame body, and the rotating output shaft of the two adjustable in pitch is vertically arranged in above the workbench；The tune Regulating device, which is mounted on, to be used to adjust the conveying wheel drive unit and the grinding driving device rotating output shaft on the frame body Between distance between axles；The elasticity delivery wheel and the Grinding wheel, which are set with, is fixed on the conveying wheel drive unit and described It is ground on the rotating output shaft of driving device, and forms one between the elastic delivery wheel and the Grinding wheel and can allow for rubbing The grinding gap that piece polishing passes through.

2. friction plate grinding machine according to claim 1, which is characterized in that the elasticity delivery wheel includes roller and fixing sleeve The resilient sleeve of dress on which cylinder.

3. friction plate grinding machine according to claim 2, which is characterized in that the outer diameter of the elasticity delivery wheel is greater than the mill 0.8 times for cutting the outer diameter of wheel, m=0.12-0.17 times of wall thickness of roller outer diameter of the resilient sleeve.

4. friction plate grinding machine according to claim 1, which is characterized in that be equipped with guide rail, the conveying on the frame body Sliding block is installed, the sliding block is slidably mounted on the guide rail on the pedestal of wheel drive unit；The regulating device includes silk Thick stick, handwheel and bolt, the handwheel are fixedly connected with the lead screw；The threads of lead screw is fitted on the frame body and its axis Line is parallel with the guide rail, and away from one end of the handwheel against on the base, the bolt is screwed in the lead screw In tapped through hole on the workbench, the small end of the bolt can hold out against the pedestal to be locked along the guide rail.

5. friction plate grinding machine according to claim 1, which is characterized in that the friction plate grinding machine further include at least one from Driving wheel group, the driven wheel group include two driven wheels, and the driven wheel is rotatably installed on the workbench, and described The main shaft of driven wheel is arranged along the vertical direction, and the driven wheel in the same driven wheel group is adjustable in pitch to be arranged in institute State the moving direction two sides of friction plate.

6. friction plate grinding machine according to claim 5, which is characterized in that the front side in the grinding gap and rear side are respectively provided with There is the driven wheel group.

7. friction plate grinding machine according to claim 1, which is characterized in that the work below friction plate movable passageway It is provided with multiple power-assisted idler wheels on table top, the lower end that face is higher than the Grinding wheel is lifted composed by multiple power-assisted idler wheels Face.