KR20110007831A - Drum polishing device of brake for vehicle - Google Patents

Drum polishing device of brake for vehicle Download PDF

Info

Publication number
KR20110007831A
KR20110007831A KR1020090065467A KR20090065467A KR20110007831A KR 20110007831 A KR20110007831 A KR 20110007831A KR 1020090065467 A KR1020090065467 A KR 1020090065467A KR 20090065467 A KR20090065467 A KR 20090065467A KR 20110007831 A KR20110007831 A KR 20110007831A
Authority
KR
South Korea
Prior art keywords
drum
polished
mover
drive shaft
horizontal
Prior art date
Application number
KR1020090065467A
Other languages
Korean (ko)
Inventor
이동효
Original Assignee
이동효
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 이동효 filed Critical 이동효
Priority to KR1020090065467A priority Critical patent/KR20110007831A/en
Publication of KR20110007831A publication Critical patent/KR20110007831A/en

Links

Images

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B27/00—Other grinding machines or devices
    • B24B27/0069—Other grinding machines or devices with means for feeding the work-pieces to the grinding tool, e.g. turntables, transfer means
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B41/00—Component parts such as frames, beds, carriages, headstocks
    • B24B41/06—Work supports, e.g. adjustable steadies
    • B24B41/061—Work supports, e.g. adjustable steadies axially supporting turning workpieces, e.g. magnetically, pneumatically
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B47/00—Drives or gearings; Equipment therefor
    • B24B47/02—Drives or gearings; Equipment therefor for performing a reciprocating movement of carriages or work- tables
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B5/00—Machines or devices designed for grinding surfaces of revolution on work, including those which also grind adjacent plane surfaces; Accessories therefor
    • B24B5/02—Machines or devices designed for grinding surfaces of revolution on work, including those which also grind adjacent plane surfaces; Accessories therefor involving centres or chucks for holding work
    • B24B5/06—Machines or devices designed for grinding surfaces of revolution on work, including those which also grind adjacent plane surfaces; Accessories therefor involving centres or chucks for holding work for grinding cylindrical surfaces internally
    • B24B5/065—Machines or devices designed for grinding surfaces of revolution on work, including those which also grind adjacent plane surfaces; Accessories therefor involving centres or chucks for holding work for grinding cylindrical surfaces internally for brake drums
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B55/00—Safety devices for grinding or polishing machines; Accessories fitted to grinding or polishing machines for keeping tools or parts of the machine in good working condition
    • B24B55/12—Devices for exhausting mist of oil or coolant; Devices for collecting or recovering materials resulting from grinding or polishing, e.g. of precious metals, precious stones, diamonds or the like

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Braking Arrangements (AREA)

Abstract

The present invention relates to a drum polishing apparatus for automobile brakes, which enables the grinding of large and heavy chain drums safely, efficiently and precisely.

A frame composed of a plate-shaped base held by a support leg, a drive unit provided to fix and rotate a drum to be polished on an upper surface of the base, and an inner surface of a drum mounted on the drive unit on one side of the drive unit And a lift provided to supply the drum to be polished on the opposite side of the polisher to the drive unit and to remove the polished drum from the drive unit.

Description

Drum polishing machine for automobile brakes {DRUM POLISHING DEVICE OF BRAKE FOR VEHICLE}

The present invention relates to a drum polishing apparatus for an automobile brake, and more particularly, to provide a drum polishing apparatus having a normal braking force by polishing the inner surface of a drum in which friction or contact with a brake lining causes friction or irregular wear. It is about.

The drum polishing device for automobile brakes is a brake system that provides braking force to the vehicle.The drum, which is one of the components of the drum, causes friction with the lining to perform braking. In order to correct the phenomenon that the braking distance is long and braking in one direction can not be applied normally, the abnormal drum is polished in a precise state to have a flat state.

The drum polishing apparatus for brakes having the above object is a situation that has been developed and used in the prior art, which will be described with reference to FIG. 4.

The brake drum polishing apparatus 1 of the prior art is a fixture for fixing a drum to be polished to a drive shaft 4 which is held on a frame 3 standing on the base 2 and receives power from a driving means such as a motor. 5).

The front frame (3) of the drive shaft (4) is a horizontal mover (6), a vertical mover (7) installed on the horizontal mover (6), and installed on the vertical mover (7) for polishing the inner surface of the drum The drum grinding tool 9 which has the bite 8 is provided and comprised.

The brake drum polishing apparatus to which the prior art as described above is applied is inserted into a drive shaft provided in a horizontal state, and thus the following problems occur because the polishing is performed while rotating in an intermittent state using a fastener. to be.

In the case of the drum used for the rear wheel brake of a passenger car or the drum used for a small truck, the size is small and the weight is not much different from that of the disk. Therefore, there is no great difficulty in performing the polishing while fixed on the horizontal axis.

However, in the case of drums applied to large trucks or buses, the size is usually 20 inches or more and the weight is 60 to 70 kg per piece. Will not be done.

In addition, even if the driving shaft is enlarged according to the size and weight of the drum, the driving shaft is bent due to the weight of the drum while the drum is mounted, and when the drum is rotated in such a state, the driving shaft is shaken to generate the drum. The inner surface will not be polished in a stable state.

In this way, when polishing is performed at low speed due to the weight and the deformation of the drive shaft, the polishing surface becomes rough, so the frictional force with the lining is reduced after polishing, which prevents the smooth braking force. Becomes high.

Due to the large size of the drum, even if it is firmly clamped using a fixture, the drum does not always maintain a right angle with the drive shaft due to the movement of the center of gravity. The inner flatness of the drum will not be maintained right for its purpose.

In addition, since a long time is required for mounting, polishing, and dismounting to polish a single drum, workability is not good, and it is impossible to quickly polish and mount the vehicle to the vehicle. There are many problems, such as coating.

In the present invention, to solve the problems described above, the frame is composed of a base in the form of a plate that is maintained as a support leg, a drive unit provided to fix and rotate the drum to be polished on the upper surface of the base, A grinder installed to grind the inner surface of the drum mounted on one side of the drive unit, and a lift provided to supply the drum to be polished on the opposite side of the grinder to the drive unit and to remove the polished drum from the drive unit. With this configuration, it is possible to achieve the purpose of safely, efficiently and precisely performing the polishing of large and heavy chain drums.

The present invention is to install the drive shaft for holding and rotating the drum in a vertical state so that the drive shaft is not affected by the weight of the drum to facilitate the polishing operation of the drum while maintaining the quality after polishing and to maintain a uniform It is an invention having various effects such as to increase the efficiency of polishing operations.

Hereinafter, with reference to the accompanying drawings will be described a preferred configuration and operation of the present invention for achieving the above object.

1 is an overall configuration diagram showing a drum polishing apparatus for an automobile brake to which the technique of the present invention is applied, FIG. 2 is a cross-sectional view taken along line A-A of a drum polishing apparatus for an automobile brake to which the technique of the present invention is applied, FIG. It demonstrates together as sectional drawing along the B-B line of the drum grinding | polishing apparatus for automobile brakes to which the technique of this invention was applied.

The drum polishing apparatus 100 for automobile brakes to which the technique of the present invention is applied includes a frame 103 composed of a plate-shaped base 102 held by a support leg 101, The upper surface is provided with a driving unit 105 for fixing and rotating the drum 104 to be polished.

One side of the driving unit 105 is provided with a polishing machine 106 for polishing the inner surface of the drum 104 mounted on the driving unit 105, and the drum 104 to be polished on the opposite side of the grinding unit 106 The lift unit 107 is configured to be provided to the drive unit 105 and to remove the polished drum 104 from the drive unit 105.

The height of the frame 103 is preferably such that it has a height that can visually check the inner surface of the drum 104 to be polished while the worker is sitting in a conventional chair.

The drive unit 105 has a shaft holding member 111 for holding the drive shaft 110 to be rotatable through a bearing or the like on the upper surface of the base 102, the upper end of the shaft holding member 111 to be polished To have a mounting plate 112 for placing the drum 104.

An upper portion of the drive shaft 110 is provided with an intermittent opening 113 for intermittently enclosing the drum 104, and further has a spacer 114 to correspond to the size of the drum 104.

The drive shaft 110 is connected to the reducer 115 and the jointer 116 installed on the bottom of the base 102, the reducer 115 is connected to the motor 117 is installed on one side drive shaft 110 ) To get the power needed to rotate.

Of course, the drive shaft 110 and the motor 117 may be configured to rotate the drive shaft 110 through a power transmission means such as chain gear and chain combination or pulley and belt combination.

The grinder 106 is slidably coupled to the horizontal mover 121 to the sliding block 120 fixed to the base 102, the bite for grinding the inner surface of the drum 104 to the horizontal mover 121 The vertical mover 123 having a 122 is slidably coupled.

The horizontal mover 121 and the vertical mover 123 are installed on the sliding block 120 or the horizontal mover 121 by a screw 125 that rotates forward and reverse by a mover 124 such as a handle or a motor. The screw 125 is configured to move in the horizontal or vertical direction by combining the screw block 126 provided in the horizontal mover 121 and the vertical mover 123.

The lift 107 is provided with a lifting plate 131 to perform the lifting or lowering operation in the direction of the ground and the drive shaft 110 by the lifting means 130, the lifting plate 131, the drum 104 to be polished ) Is provided with a fork 132 so as to have an empty space in the center so as not to interfere with the drive shaft 110.

The fork 132 is coupled to the rail 133 fixed to both sides of the elevating plate 131 by the rail block 134 in the direction of the drive shaft 110 from the elevating plate 131 by the forward and reverse means 135. The drum 104 to be polished while reciprocating is configured to be supplied to the drive shaft 110.

The elevating means 130 and the forward and reverse means 135 is implemented in various forms such as a cylinder, a forward and reverse motor and a combination of a screw and a screw block, an LM guide or a chain gear and a chain combination operated by hydraulic and pneumatic pressure. Would be possible.

It will be apparent that the operation control of the drum polishing apparatus 100 of the present invention can be operated by a controller (not shown), and the vertical mover 123 is a means for discharging chips generated during the polishing process. It may further have a discharge pipe 140 connected to the suction means.

Looking at the operation relationship of the drum polishing apparatus 100 for automobile brake to which the technology of the present invention is applied as described above is as follows.

The drum 104 to be polished is placed in the fork 132 of the lift 107, and then the lift 107 is operated to engage the drive shaft 110. In this process, the center of the fork 131 is empty. Since the state does not interfere with the insertion into the drive shaft 110, since the fork 131 is located outside the mounting plate 112, there is no interference phenomenon with the mounting plate 112.

After operating the elevating means 130 of the lift 107 to elevate the elevating plate 131 to a position higher than the drive shaft 110, it is possible to slide the elevating plate 131 by using the forward and backward means 135. Move the fork 132 installed in the direction of the drive shaft 110.

At this time, when the shaft hole formed in the drum 104 placed on the fork 132 and the driving shaft 110 coincide with each other, the operation of the forward and backward means 135 is stopped, and the lifting means 130 is operated again to operate the fork 132. When the lowering) is placed on the base plate 112, the lifting means 130 is stopped and the forward and backward means 135 is operated to return the fork 132 to its original position.

When the drum 104 is placed on the base plate 112 by the leaf 107 as described above, the drum 104 is fixed to the base plate 112 and the drive shaft 110 by using the intermittent hole 113. According to the size of the) through the spacer 114 to maintain a stable fixed state.

In this state, the horizontal mover 121 constituting the grinder 106 and the mover 124 provided in the vertical mover 123 are operated to move the bite 122 provided in the vertical mover 123 into the inner surface of the drum 104. Adjust to (the surface you want to polish).

When the adjustment of the bite 122 is completed, the motor 117 is operated to rotate the drive shaft 110 fixing the drum 104, and the bite 122 is adjusted by adjusting the mover 124 of the polishing machine 106. The inner surface of the drum 104 can be polished by moving from the lower side to the upper side or the upper side to the lower side of the 123.

The drum 104, which has been polished by repeating the above operation, may be removed from the drive shaft 110 by using the lift 107, and the new drum 104 may be supplied to the drive shaft 110 to perform polishing. .

Of course, the chip generated while the drum 104 is polished by the bite 122 is discharged to the outside by the discharge pipe 140 that rises and descends with the vertical mover 123, so that the inside of the drum 104 or the polishing apparatus ( 100 can be prevented from being contaminated.

According to the present invention, the drive shaft 110 maintains a vertical state with respect to the frame 103 and is maintained by the mounting plate 112 so that the drive shaft 110 rotates the drum 104 of the heavy body. Since no heavy load is applied, the grinding can be performed precisely and uniformly.

In addition, since the heavy drum 104 is made by the lifter without lifting or lowering the worker, the worker may increase the convenience of the operator while eliminating the risk of a safety accident.

1 is an overall configuration diagram showing a drum polishing apparatus for an automobile brake to which the technique of the present invention is applied.

2 is a cross-sectional view taken along the line A-A of a drum polishing apparatus for automobile brakes to which the technique of the present invention is applied.

3 is a cross-sectional view taken along line B-B of a drum polishing apparatus for automobile brakes to which the technique of the present invention is applied.

Figure 4 is a simplified configuration showing a drum polishing apparatus for a vehicle brake applied in the prior art.

* Description of the symbols used in the main parts of the drawings *

100; Drum polishing machine

104; drum

105; Driving part

106; Grinder

107; lift

Claims (4)

A frame 103 composed of a plate-shaped base 102 held by a support leg 101; A driving unit 105 provided to fix and rotate the drum 104 to be polished on the upper surface of the base 102; A grinder (106) installed at one side of the drive unit (105) to polish the inner surface of the drum (104) mounted to the drive unit (105); And a lift 107 configured to supply the drum 104 to be polished on the opposite side of the polishing machine 106 to the driving unit 105 and to install the polished drum 104 to be separated from the driving unit 105. Drum polishing apparatus for automobile brakes. The method of claim 1; The driving unit 105 is provided on the upper surface of the base 102 and the shaft holding member 111 for holding the drive shaft 110 rotatably; A mounting plate 112 for placing a drum 104 to be polished on an upper end of the holding region 111; And an intermittent opening (113) provided at the drive shaft (110) to intercept the drum (104) placed therein; The drive shaft (110) is a drum polishing apparatus for an automobile brake, characterized in that the rotation by receiving the power of the motor 117 is installed on the bottom surface of the base (102). The method of claim 1; The grinder 106 includes a horizontal mover 121 that is slidably coupled to a sliding block 120 fixed to the base 102; A vertical mover (123) coupled to the horizontal mover (121) for sliding movement with a bite (122) for grinding the inner surface of the drum (104); The horizontal mover 121 and the vertical mover 123 may include a screw 125 installed in the sliding block 120 or the horizontal mover 121 by a mover 124 to enable forward and reverse rotation; The horizontal brake (121) and the screw block (126) provided in the vertical mover (123) to the screw (125) by the drum brake device for automobile brakes, characterized in that to move in a horizontal or vertical direction. The method of claim 1; The lift 107 is a lifting plate (131) for performing the lifting or lowering operation in the direction of the ground and the drive shaft 110 by the lifting means (130); A fork 132 disposed on the elevating plate 131 to have a drum 104 to be polished and having an empty space in the center thereof so as not to interfere with the driving shaft 110; A drum polishing apparatus for an automobile brake, characterized in that it comprises a forward and reverse means (135) for reciprocating the fork (132) in the direction of the drive shaft (110) from the lifting plate (131).
KR1020090065467A 2009-07-17 2009-07-17 Drum polishing device of brake for vehicle KR20110007831A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1020090065467A KR20110007831A (en) 2009-07-17 2009-07-17 Drum polishing device of brake for vehicle

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1020090065467A KR20110007831A (en) 2009-07-17 2009-07-17 Drum polishing device of brake for vehicle

Publications (1)

Publication Number Publication Date
KR20110007831A true KR20110007831A (en) 2011-01-25

Family

ID=43614200

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1020090065467A KR20110007831A (en) 2009-07-17 2009-07-17 Drum polishing device of brake for vehicle

Country Status (1)

Country Link
KR (1) KR20110007831A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112894602A (en) * 2021-02-24 2021-06-04 四川航天职业技术学院(四川航天高级技工学校) Energy-saving automobile wheel hub burnishing device
CN116061022A (en) * 2023-02-16 2023-05-05 青岛北海车轮有限公司 Automatic rim polishing equipment and method

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112894602A (en) * 2021-02-24 2021-06-04 四川航天职业技术学院(四川航天高级技工学校) Energy-saving automobile wheel hub burnishing device
CN112894602B (en) * 2021-02-24 2021-10-01 四川航天职业技术学院(四川航天高级技工学校) Energy-saving automobile wheel hub burnishing device
CN116061022A (en) * 2023-02-16 2023-05-05 青岛北海车轮有限公司 Automatic rim polishing equipment and method
CN116061022B (en) * 2023-02-16 2023-09-15 青岛北海车轮有限公司 Automatic rim polishing equipment and method

Similar Documents

Publication Publication Date Title
CN108581666B (en) A kind of working method of the polissoir of aluminium alloy wheel hub
JPS6325909B2 (en)
CN108581665A (en) A kind of polissoir of aluminium alloy wheel hub
CN106737138B (en) Automatic material loading brake block grinding device
KR20160078931A (en) Automobile brake disk grind machine having collector
CN111906623B (en) Automobile axle shell plate polishing device
CN110587397A (en) Automobile hub local correction repair optimization method
CN208644908U (en) A kind of polissoir of aluminium alloy wheel hub
KR20160047282A (en) Grinding apparatus for wheel
KR102080751B1 (en) Workpiece reversing apparatus and workpiece reversal method using the same
CN114102363B (en) Automatic machining equipment for power parts of motor vehicle
KR20110007831A (en) Drum polishing device of brake for vehicle
EP0006764B1 (en) A method and apparatus for grinding vehicle brake discs
KR101715173B1 (en) Wheel transfer and fixing equipment
KR101797905B1 (en) Apparatus for grinding of friction material of brakepad
CN211490916U (en) Polishing equipment for brake disc machining
KR102206224B1 (en) Slope type surface grinding machine
KR100742732B1 (en) Automobile brake disk grind machine
KR20080112023A (en) Automobile brake disk grind machine
CN111300234A (en) Full-automatic polishing machine for rough and fine polishing
CN208681186U (en) A kind of door-plate workpiece polishing mechanism
CN211890098U (en) Brake friction plate in-place turning and grinding machine
KR100890525B1 (en) Grinding Apparatus For Glass Plates Having Dressing Devices
KR101797904B1 (en) Apparatus for grinding of friction material of brakepad
CN114770269A (en) Deburring frock is used in processing of new energy automobile air conditioner electromagnetic clutch wheel hub

Legal Events

Date Code Title Description
A201 Request for examination
E902 Notification of reason for refusal
E701 Decision to grant or registration of patent right
NORF Unpaid initial registration fee