CN208528746U - A kind of novel outer arc grinding machine of brake shoes - Google Patents

A kind of novel outer arc grinding machine of brake shoes Download PDF

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Publication number
CN208528746U
CN208528746U CN201821176332.5U CN201821176332U CN208528746U CN 208528746 U CN208528746 U CN 208528746U CN 201821176332 U CN201821176332 U CN 201821176332U CN 208528746 U CN208528746 U CN 208528746U
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CN
China
Prior art keywords
brake shoes
outer arc
grinding
grinding unit
cylinder
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Application number
CN201821176332.5U
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Chinese (zh)
Inventor
孙汝辉
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Institute of Mechanics and Electronics, Gucheng County, Hebei Province
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孙汝辉
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Priority to CN201821176332.5U priority Critical patent/CN208528746U/en
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Abstract

The utility model belongs to grinding technology field, is concretely related to a kind of novel outer arc grinding machine of brake shoes.Its main technical schemes: mainly by bed body platform, the brake shoes being set on the bed body platform clamps down on seat, is respectively arranged at the corase grinding unit for clamping down on two sides of seat and fine grinding unit is constituted;Wherein, the seat of clamping down on includes the pressed discs for fixing brake shoes, the vertical power shaft connecting with the pressed discs, and seat rotation is clamped down on described in power shaft driving, make the outer arc portions of brake shoes successively with the corase grinding unit and refine unit friction;The corase grinding unit includes the bulk diamond emery wheel driven by first motor, and the fine grinding unit includes by the second motor-driven cylinder grinding wheel.The novel outer arc grinding machine has the characteristics that mechanical integrity height, good processing accuracy.

Description

A kind of novel outer arc grinding machine of brake shoes
Technical field
The utility model belongs to grinding technology field, is concretely related to a kind of novel outer arc mill of brake shoes Bed.
Background technique
Brake shoes refers to the effect by brake cam or push rod and is pushed to outer expansion compacting brake and heaves braking action Accessory, shape such as semilune.Brake shoes is generally made of iron liner plate and friction material two parts, and wherein friction material exists Brake area is formed on the iron liner plate of arc-shaped, the roughness and outer arc form tolerance of friction surface directly affect brake shoes Braking effect the processing request of outer arc grinding machine is also increasingly stringenter with auto industry technological progress.Existing brake shoe Piece outer arc grinding machine mechanical precision is not high, and the brake shoes friction surface roughness standards after its attrition process are inconsistent, outer arc Form tolerance is big;Plant machinery degree is not high, and process degree is small, and production efficiency is low.
Utility model content
The purpose of this utility model is just to provide a kind of the novel outer of high, good processing accuracy the brake shoes of mechanical integrity Arc grinding machine.
To achieve the above object, the technology employed by the present utility model is
A kind of novel outer arc grinding machine of brake shoes, it is characterised in that: mainly by bed body platform, it is flat to be set to the bed body Brake shoes on platform clamps down on seat, is respectively arranged at the corase grinding unit for clamping down on two sides of seat and fine grinding unit is constituted;Its In, the seat of clamping down on includes the pressed discs for fixing brake shoes, and the vertical power shaft connecting with the pressed discs is described Seat rotation is clamped down on described in power shaft driving, and the outer arc portions of brake shoes is made successively to rub with the corase grinding unit and fine grinding unit It wipes;The corase grinding unit includes the bulk diamond emery wheel driven by first motor, and the fine grinding unit includes by the second motor The cylinder grinding wheel of drive.
Constitute a kind of additional technical feature of the novel outer arc grinding machine of above-mentioned brake shoes further include:
--- it clamps down on power shaft that seat is connect with described and is driven by the variable-frequency motor for being located at the bed body platform lower, institute It states variable-frequency motor and is driven by speed reducer with the sprocket wheel chain for being set to the power shaft end, the power shaft is hollow Shaft, the pressed discs are made of two semicircle disk bodies, and the semicircle disk body and the hollow shaft for being located at the power shaft are intracavitary The connection of containing bar, the other end for restraining bar connect by horizontal connection lever with vertical telescopic cylinder;
--- the bulk diamond emery wheel of the corase grinding unit is that vertical rotating is ground structure, the outer arc with brake shoes The vertical friction in part, the corase grinding unit further include for by the first of the horizontal longitudinal extension campaign of the bulk diamond emery wheel Ball screw assembly, the first lead screw that the first ball screw pair is driven by first servo motor are set to first lead screw On the first nut constitute, the bulk diamond emery wheel is set on first nut;
--- the cylinder grinding wheel of the fine grinding unit is vertical axial spin friction structure, the outer arc with brake shoes The longitudinal friction in part, the fine grinding unit further include for by the second ball screw assembly, of the cylinder grinding wheel vertical motion, institute State the second lead screw that the second ball screw assembly, is driven by the second servo motor, the second nut structure being set on second lead screw At the cylinder grinding wheel is set on second nut;
--- the fine grinding unit further includes the third ball wire for making the cylinder grinding wheel horizontal cross stretching motion Thick stick pair, the third lead screw that the third ball screw assembly, is driven by third servo motor, be set on the third lead screw Three nuts are constituted, and the end for the second ball screw assembly, connecting with the cylinder grinding wheel is set on the third nut;
--- the diamond pen vertical with its surface is arranged in the side of the cylinder grinding wheel, for modifying the cylinder grinding wheel Surface, the diamond pen is arranged on the 4th ball screw assembly, and the 4th ball screw assembly, is for making the diamond The tip of pen is moved along the axial of the cylinder grinding wheel in its vertical surface, and the 4th ball screw assembly, is by the 4th servo motor The 4th lead screw driven, the 4th nut being set on the 4th lead screw are constituted, and the bracket of the diamond pen is arranged in institute It states on the 4th nut;
--- further include PLC controller, the PLC controller respectively with the variable-frequency motor, first motor, second electricity Machine, cylinder, first servo motor, the second servo motor, third servo motor, the electrical connection of the 4th servo motor;
--- the bulk diamond emery wheel of the corase grinding unit and the cylinder grinding wheel of fine grinding unit are placed in closing shell, institute It states closing shell to connect with cleaning shaft, the cleaning shaft is connect with suction ventilator.
A kind of novel outer arc grinding machine of brake shoes provided by the utility model compared with prior art, has following excellent Point: first, due to having drive brake shoes to rotate to clamp down on seat on the bed body platform of the novel outer arc grinding machine, make brake shoe For the outer arc portions of piece successively with corase grinding unit and fine grinding unit friction, corase grinding unit includes the blocky Buddha's warrior attendant driven by first motor Stone mill wheel, fine grinding unit include by the second motor-driven cylinder grinding wheel, be integrated in brake shoes attrition process corase grinding and Fine grinding two procedures, improve production efficiency;Second, since corase grinding unit further includes for indulging bulk diamond emery wheel level To the first ball screw pair of stretching motion, it is conveniently adjusted corase grinding distance, guarantees roughness standards;Third, due to refining unit Further include for making the rubbing surface of cylinder grinding wheel be fully used for the second ball screw assembly, of cylinder grinding wheel vertical motion, Extend its active duty cycle;Fourth, since fine grinding unit further includes for making cylinder grinding wheel horizontal cross stretching motion Third ball screw assembly, reduces outer dimension tolerance convenient for adjusting fine grinding depth, guarantees cylindricity, the Zong Xiangping on outer arc surface Whole degree reaches outer arc surface " mirror surface " effect;Fifth, since the novel outer arc grinding machine further includes PLC controller, it can be with electricity The connection of the electrical equipments such as machine, cylinder is convenient for automatically controlling and the dynamic of machined parameters adjusts, further improves equipment Machining accuracy.
Detailed description of the invention
Fig. 1 is a kind of schematic view of the front view of the novel outer arc grinding machine of brake shoes of the utility model;
Fig. 2 is the overlooking structure diagram of the novel outer arc grinding machine.
Specific embodiment
With reference to the accompanying drawing to a kind of structure and work of the novel outer arc grinding machine of brake shoes provided by the utility model It is described in further detail as principle.
It as shown in Figure 1, 2, is a kind of structural representation of the novel outer arc grinding machine of brake shoes provided by the utility model Figure.The structure of the novel outer arc grinding machine is constituted mainly by bed body platform 1, the brake shoes being set on bed body platform 1 clamps down on seat, It is respectively arranged at the corase grinding unit for clamping down on two sides of seat and fine grinding unit is constituted;Wherein, clamping down on seat includes for fixed brake The pressed discs 21 of shoe plate T, the vertical power shaft 22 connecting with pressed discs 21, the driving of power shaft 22 clamp down on seat rotation, make to stop The outer arc portions of vehicle shoe plate T successively with corase grinding unit and refine unit friction;Roughly grinding unit includes being driven by first motor 31 Bulk diamond emery wheel 32, fine grinding unit includes the cylinder grinding wheel 42 driven by the second motor 41.
Its working principle is that: the brake shoes T of belt grinding is placed in the clamping down on seat of bed body platform 1, it is solid with pressed discs 21 Due to the upper end of power shaft 22, roughly grinds unit and fine grinding unit is respectively placed in two sides for clamping down on seat, start power shaft 22 drive brake shoes to rotate horizontally, it is made successively with corase grinding unit and fine grinding unit friction, to roughly grind the first motor 31 of unit Bulk diamond emery wheel 32 is driven to complete to polish to the thick step of brake shoes T, the second motor 41 for refining unit drives cartridge type sand Wheel 42 is completed to reach " mirror surface " effect to the fine gtinding of brake shoes T.
In constituting a kind of above-mentioned structure of the novel outer arc grinding machine of brake shoes,
--- in order to ensure brake shoes T is fixed, polishing is stablized, with it is above-mentioned clamp down on power shaft 22 that seat is connect by Variable-frequency motor 221 positioned at 1 lower part of bed body platform drives, and variable-frequency motor 221 is by speed reducer 222 and is set to power shaft 22 223 chain drive of sprocket wheel of end, power shaft 22 are hollow axle, and pressed discs 21 are made of two semicircle disk bodies, Ke Yitong Two brake shoes T of Shi Jiagong improve production efficiency, the containing intracavitary with the hollow shaft for being located at power shaft 22 of semicircle disk body Bar 224 connects, and the other end for restraining bar 224 is connect by horizontal connection lever 225 with vertical telescopic cylinder 226, passes through cylinder 226 automatic control brake shoes T's clamps and unclamps, and facilitates worker's loading and unloading;
--- floated finish is adjusted at a distance from brake shoes T in order to realize, the bulk diamond mill of above-mentioned corase grinding unit Wheel 32 is ground structure for vertical rotating, vertically rubs with the outer arc portions of brake shoes T, and corase grinding unit further includes for by block The first ball screw secondary A of the horizontal longitudinal extension campaign of shape diamond-impregnated wheel 32, first ball screw secondary A is by first servo motor First lead screw 52 of 51 drives, the first nut 53 being set on the first lead screw 52 are constituted, and bulk diamond emery wheel 32 is set to On first nut 53, facilitate the brake shoes T of processing different sizes, while dynamic is carried out to corase grinding depth and is fine-tuned;
--- the cylinder grinding wheel 42 of above-mentioned fine grinding unit is vertical axial spin friction structure, with brake shoes T's Outer arc portions longitudinally rub, and under normal circumstances, the height of cylinder grinding wheel 42 is greater than the width of brake shoes T, if cylinder grinding wheel Fine grinding position on 42 is fixed, first is that wasting other abradant surfaces of cylinder grinding wheel 42, effective rate of utilization is reduced, second is that grinding It is serious to grind partition losses, shortens the service life of cylinder grinding wheel 42, therefore the fine grinding unit further includes for by cylinder grinding wheel The second lead screw 62 that second ball screw assembly, B, the second ball screw assembly, B of 42 vertical motions is driven by the second servo motor 61, The second nut 63 being set on the second lead screw 62 is constituted, and cylinder grinding wheel 42 is set on the second nut 63;
--- fine grinding face is adjusted at a distance from brake shoes T in order to realize, above-mentioned fine grinding unit further includes for making cylinder The third ball screw assembly, C of 42 horizontal cross stretching motion of abrasive wheel, third ball screw assembly, C are driven by third servo motor 71 Third lead screw 72, the third nut 73 that is set on third lead screw 72 constitute, the second ball wire being connect with cylinder grinding wheel 42 The end of thick stick secondary B is set to 73 on third nut, refines depth convenient for dynamic regulation, realizes fine grinding " mirror surface " effect;
--- in order to modify the friction surface of cylinder grinding wheel 42, side setting and its surface of above-mentioned cylinder grinding wheel 42 in time Vertical diamond pen 8, diamond pen 8 are arranged on the 4th ball screw assembly, D, and the 4th ball screw assembly, D is for making diamond The tip of pen 8 is moved along the axial of cylinder grinding wheel 42 in its vertical surface, and the 4th ball screw assembly, D is by 91 band of the 4th servo motor Dynamic the 4th lead screw 92, the 4th nut 93 being set on the 4th lead screw 92 are constituted, and the bracket of diamond pen 8 is arranged in the 4th spiral shell On mother 93, the deactivation matter of the friction surface of cylinder grinding wheel 42 is removed in time by the diamond pen 8 of movement, it is ensured that fine grinding Precision;
--- the novel outer arc grinding machine further includes PLC controller 10, PLC controller 10 respectively with above-mentioned variable-frequency motor 221, First motor 31, the second motor 41, cylinder 226, first servo motor 51, the second servo motor 61, third servo motor 71, The electrical connection of four servo motors 91, the bruting process for realizing brake shoes T all automate, can be according to brake shoes T's Different quality standard presets machined parameters, enhances the applicability of equipment, improves production efficiency;
--- in order to realize environmentally friendly production requirement, the bulk diamond emery wheel 32 of above-mentioned corase grinding unit and the cylinder of fine grinding unit Abrasive wheel 42 is placed in closing shell 11, and closing shell 11 is connect with cleaning shaft 12, and cleaning shaft 12 is connect with air suction mechanism, The clast dust of polishing can be collected in time, reduce environmental pollution.

Claims (8)

1. a kind of novel outer arc grinding machine of brake shoes, it is characterised in that: mainly by bed body platform, be set to the bed body platform On brake shoes clamp down on seat, be respectively arranged at the corase grinding unit for clamping down on two sides of seat and fine grinding unit constituted;Wherein, The seat of clamping down on includes the pressed discs for fixing brake shoes, the vertical power shaft connecting with the pressed discs, described dynamic Seat rotation is clamped down on described in the driving of power shaft, and the outer arc portions of brake shoes is made successively to rub with the corase grinding unit and fine grinding unit It wipes;The corase grinding unit includes the bulk diamond emery wheel driven by first motor, and the fine grinding unit includes by the second motor The cylinder grinding wheel of drive.
2. a kind of novel outer arc grinding machine of brake shoes according to claim 1, it is characterised in that: connect with the seat of clamping down on The power shaft connect is driven by the variable-frequency motor for being located at the bed body platform lower, and the variable-frequency motor passes through speed reducer and setting Sprocket wheel chain in the power shaft end is driven, and the power shaft is hollow axle, and the pressed discs are by two semicircles Disk body is constituted, and the semicircle disk body containing bar intracavitary with the hollow shaft for being located at the power shaft is connect, the containing bar The other end is connect by horizontal connection lever with vertical telescopic cylinder.
3. a kind of novel outer arc grinding machine of brake shoes according to claim 2, it is characterised in that: the corase grinding unit Bulk diamond emery wheel is that vertical rotating is ground structure, is vertically rubbed with the outer arc portions of brake shoes, the corase grinding unit It further include for by the first ball screw pair of the horizontal longitudinal extension campaign of the bulk diamond emery wheel, first ball wire The first lead screw that thick stick pair is driven by first servo motor, the first nut being set on first lead screw are constituted, the bulk Diamond-impregnated wheel is set on first nut.
4. a kind of novel outer arc grinding machine of brake shoes according to claim 3, it is characterised in that: the fine grinding unit Cylinder grinding wheel is vertical axial spin friction structure, is longitudinally rubbed with the outer arc portions of brake shoes, the fine grinding unit It further include for by the second ball screw assembly, of the cylinder grinding wheel vertical motion, second ball screw assembly, to be by the second servo Motor-driven second lead screw, the second nut being set on second lead screw are constituted, and the cylinder grinding wheel is set to described On second nut.
5. a kind of novel outer arc grinding machine of brake shoes according to claim 4, it is characterised in that: the fine grinding unit is also Including for making the third ball screw assembly, of the cylinder grinding wheel horizontal cross stretching motion, the third ball screw assembly, is by The third lead screw of three servo motors drive, the third nut being set on the third lead screw are constituted, and are connected with the cylinder grinding wheel The end of the second ball screw assembly, connect is set on the third nut.
6. a kind of novel outer arc grinding machine of brake shoes according to claim 5, it is characterised in that: the cylinder grinding wheel The diamond pen vertical with its surface is arranged in side, and for modifying the surface of the cylinder grinding wheel, the diamond pen setting exists On 4th ball screw assembly, the 4th ball screw assembly, is for making the tip of the diamond pen along the axis of the cylinder grinding wheel Moved in its vertical surface, the 4th lead screw that the 4th ball screw assembly, is driven by the 4th servo motor, be set to it is described The 4th nut on 4th lead screw is constituted, and the bracket of the diamond pen is arranged on the 4th nut.
7. a kind of novel outer arc grinding machine of brake shoes according to claim 6, it is characterised in that: further include PLC control Device, the PLC controller are watched with the variable-frequency motor, first motor, the second motor, cylinder, first servo motor, second respectively Take motor, third servo motor, the electrical connection of the 4th servo motor.
8. a kind of novel outer arc grinding machine of brake shoes according to claim 6, it is characterised in that: the corase grinding unit The cylinder grinding wheel of bulk diamond emery wheel and fine grinding unit is placed in closing shell, and the closing shell is connect with cleaning shaft, The cleaning shaft is connect with suction ventilator.
CN201821176332.5U 2018-07-24 2018-07-24 A kind of novel outer arc grinding machine of brake shoes Active CN208528746U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201821176332.5U CN208528746U (en) 2018-07-24 2018-07-24 A kind of novel outer arc grinding machine of brake shoes

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201821176332.5U CN208528746U (en) 2018-07-24 2018-07-24 A kind of novel outer arc grinding machine of brake shoes

Publications (1)

Publication Number Publication Date
CN208528746U true CN208528746U (en) 2019-02-22

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Application Number Title Priority Date Filing Date
CN201821176332.5U Active CN208528746U (en) 2018-07-24 2018-07-24 A kind of novel outer arc grinding machine of brake shoes

Country Status (1)

Country Link
CN (1) CN208528746U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113427364A (en) * 2021-08-26 2021-09-24 常州市尚拓工具科技有限公司 Strong pressing pliers grinding device

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113427364A (en) * 2021-08-26 2021-09-24 常州市尚拓工具科技有限公司 Strong pressing pliers grinding device
CN113427364B (en) * 2021-08-26 2021-11-19 常州市尚拓工具科技有限公司 Strong pressing pliers grinding device

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Effective date of registration: 20190903

Address after: 053800 West Court Industrial Zone, Gucheng County, Hengshui City, Hebei Province, on the south side of Zheng Road and on the west side of Shunye Street

Patentee after: Institute of Mechanics and Electronics, Gucheng County, Hebei Province

Address before: 053800 Institute of Mechanics and Electronics, Xiyuan Development Zone, Gucheng County, Hengshui City, Hebei Province

Patentee before: Sun Ruhui