CN105196136B - A kind of grinding attachment of Crankshaft Grinding bracket watt mouth - Google Patents
A kind of grinding attachment of Crankshaft Grinding bracket watt mouth Download PDFInfo
- Publication number
- CN105196136B CN105196136B CN201510733669.6A CN201510733669A CN105196136B CN 105196136 B CN105196136 B CN 105196136B CN 201510733669 A CN201510733669 A CN 201510733669A CN 105196136 B CN105196136 B CN 105196136B
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- CN
- China
- Prior art keywords
- grinding
- crankshaft
- watt mouth
- attachment
- electro spindle
- Prior art date
- Legal status (The legal status 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 status listed.)
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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
- B24B19/00—Single-purpose machines or devices for particular grinding operations not covered by any other main group
- B24B19/26—Single-purpose machines or devices for particular grinding operations not covered by any other main group for grinding workpieces with arcuate surfaces, e.g. parts of car bodies, bumpers or magnetic recording heads
-
- 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
- B24B41/02—Frames; Beds; Carriages
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Grinding Of Cylindrical And Plane Surfaces (AREA)
Abstract
The invention discloses a kind of grinding attachment of Crankshaft Grinding bracket watt mouth, the grinding attachment includes base, mounting seat, electro spindle, gland and small emery wheel, and the grinding attachment is arranged on the grinding carriage of Crankshaft Grinding by base；Mounting seat is arranged on base, and electro spindle is fixed in mounting seat by gland, and small emery wheel is arranged on the end of electro spindle and can rotated under the drive of electro spindle.The grinding attachment cost of the Crankshaft Grinding bracket watt mouth of the present invention is low and reduces labor intensity, improve the precision and intensity of grinding machine bracket watt mouth, the problem of accuracy of form and position is overproof when solving grinding crank-shaft link neck, various qualified bent axle products are processed to guarantee both quality and quantity and ensure that Production of Crankshaft provides sound assurance.
Description
Technical field
The present invention relates to the technical field of crankshaft grinding machine auxiliary equipment, more particularly, it is related to a kind of crank-shaft link neck mill
The grinding attachment of bed bracket frame watt mouth.
Background technology
Large-scale Crankshaft Grinding is used due to long-term excess load, when it is being ground bent axle, it may appear that bent axle connects
The problems such as taper of bar neck is greatly, the oval big and trunnion depth of parallelism is poor, has a strong impact on the product quality of bent axle.
Crankshaft Grinding is when being ground crank-shaft link neck, and the technique neck of crankshaft two end is clamped on bracket by gland,
Regulation bracket bias makes crank-shaft link neck center and the grinding machine spindle centre of gyration point-blank.When being ground crank-shaft link neck,
Bracket should undertake the most weight of bent axle and centrifugal force (moiety by weight and centrifugal force are undertaken by center bearing bracket), transmit again
Powered belt dynamic crankshaft rotates.Therefore, the precision of bracket watt mouth will directly affect the grinding accuracy of crank-shaft link neck.
After Crankshaft Grinding works overloadingly for a long time, unload bent axle, remove bracket watt mouth and with check bar detection watt
Mouthful, it can be found that：1. watt mouth and check bar dyeing inspection, contact surface is small；2. it is overproof with table look-up side bus；3. upper mother is detected with table
Line is bowed overproof.Analyze and detect that the long-term impact extruded by bent axle of bracket watt mouth has deformed mistake more than
Effect is, it is necessary to be ground reparation.
The method that tradition repairs bracket watt mouth is that a watt mouth is polished with pneumatic grinder, while with check bar ceaselessly to a watt mouth
Precision is detected.This method is not only wasted time and energy, dust big, and in polishing, pneumatic grinder is difficult to control, and contact surface is very
Difficulty reaches requirement.Further, since contact strength is low, watt mouth after repairing can be declined using precision after a period of time, so as to influence
The grinding accuracy of bent axle.
Repaiied therefore, it is necessary to provide a kind of low grinding attachment of easy to use and reliable, cost and carry out grinding to bracket watt mouth
It is multiple.
The content of the invention
In order to solve problems of the prior art, it is an object of the invention to provide a kind of easy to use and reliable, cost
Low grinding attachment carries out grinding reparation to bracket watt mouth.
The invention provides a kind of grinding attachment of Crankshaft Grinding bracket watt mouth, the grinding attachment includes bottom
Seat, mounting seat, electro spindle, gland and small emery wheel, the grinding attachment are arranged on the emery wheel of Crankshaft Grinding by base
On frame；Mounting seat is arranged on base, and electro spindle is fixed in mounting seat by gland, and small emery wheel is arranged on the end of electro spindle
And can be rotated under the drive of electro spindle.
According to one embodiment of the grinding attachment of the Crankshaft Grinding bracket watt mouth of the present invention, the grinding attachment
Also include frequency converter, the frequency converter electrically connects the rotary speed regulation for realizing small emery wheel with electro spindle.
According to one embodiment of the grinding attachment of the Crankshaft Grinding bracket watt mouth of the present invention, the grinding attachment
Also include the adjustment unit for being used to adjust mounting seat height.
According to one embodiment of the grinding attachment of the Crankshaft Grinding bracket watt mouth of the present invention, the adjustment unit
For adjusting screw.
According to one embodiment of the grinding attachment of the Crankshaft Grinding bracket watt mouth of the present invention, the grinding attachment
Work in coordination and be ground with rotatable bracket watt mouth in Crankshaft Grinding.
Compared with prior art, the grinding attachment cost of Crankshaft Grinding bracket watt mouth of the invention is low and reduces
Labor intensity, improves the precision and intensity of grinding machine bracket watt mouth, and the accuracy of form and position is overproof when solving grinding crank-shaft link neck
Problem, various qualified bent axle products are processed to guarantee both quality and quantity and ensure that Production of Crankshaft provides sound assurance.
Brief description of the drawings
Fig. 1 shows the knot of the grinding attachment of Crankshaft Grinding bracket watt mouth according to an exemplary embodiment of the present invention
Structure schematic diagram.
Fig. 2A is shown enters the grinding of line carrier watt mouth using the grinding attachment of the mouth of Crankshaft Grinding bracket watt shown in Fig. 1
Structural representation.
Fig. 2 B show the sectional view that line A-A is intercepted along along Fig. 2A.
Description of reference numerals：
1- bases, 2- mounting seats, 3- glands, 4- electro spindles, 5- adjustment units, 6- connectors, the small emery wheels of 7-；10- emery wheels
Frame, 20- grinding attachments, 30- bent axles gland, 40- brackets watt mouth, 50- headstocks.
Embodiment
All features disclosed in this specification, or disclosed all methods or during the step of, except mutually exclusive
Feature and/or step beyond, can combine in any way.
Any feature disclosed in this specification (including any accessory claim, summary and accompanying drawing), except non-specifically is chatted
State, can alternative features equivalent by other or with similar purpose replaced.I.e., unless specifically stated otherwise, each feature
It is an example in a series of equivalent or similar characteristics.
The structure of the grinding attachment of Crankshaft Grinding bracket watt mouth of the present invention and principle will be carried out below more detailed
Explanation.Wherein, need first simply to introduce Crankshaft Grinding.Crankshaft Grinding is that the connecting rod neck of bent axle is entered
The technique neck of crankshaft two end, is specifically pressed on the bracket of grinding machine by the device of row polishing using gland, and adjustment causes bent axle
Connecting rod neck center and the grinding machine spindle centre of gyration point-blank, and emery wheel on grinding carriage are directed at the connecting rod neck of bent axle, so
The main shaft of rotation grinding machine rotates bent axle afterwards, while rotating the emery wheel on grinding carriage, realizes grinding.And bracket watt mouth is then support
The part that frame is directly contacted with bent axle.
Fig. 1 shows the knot of the grinding attachment of Crankshaft Grinding bracket watt mouth according to an exemplary embodiment of the present invention
Structure schematic diagram, Fig. 2A is shown enters line carrier watt mouth mill using the grinding attachment of the mouth of Crankshaft Grinding bracket watt shown in Fig. 1
The structural representation cut, Fig. 2 B show the sectional view that line A-A is intercepted along along Fig. 2A.
As shown in Figure 1, Figure 2 shown in A and Fig. 2 B, according to the exemplary embodiment of the present invention, the Crankshaft Grinding bracket
The grinding attachment 20 of watt mouth includes base 1, mounting seat 2, electro spindle 4, gland 3 and small emery wheel 7.
Specifically, grinding attachment 20 is arranged on the grinding carriage 10 of Crankshaft Grinding by base 1.The side of base 1 one
On the other hand face can make grinding attachment 20 be fixed on grinding carriage as the main load-supporting part and installing component of grinding attachment 20
On 10, and then the position of feeding using grinding carriage 10 and mobile adjustment grinding attachment 20 with bracket watt mouth 40 to be engaged.Its
In, the size of base 1 can be according to the feed distance and the center specific design of small emery wheel of grinder wheel frame 10.Mounting seat
2 are arranged on base 1, and electro spindle 4 is fixed in mounting seat 2 by gland 3.Mounting seat 2 is mainly used in supporting electro spindle 4, electricity
Main shaft 4 can realize the action of rotation.The size of mounting seat 2 can be according to the size of base 1 and the size of electro spindle and support
The width specific design of frame watt mouth 40, gland 3 is then used to fix electro spindle 4, and the present invention does not carry out concrete restriction to its structure.It is small
Emery wheel 7 is arranged on the end of electro spindle 4 and can rotated under the drive of electro spindle 4, it is possible thereby to be carried out to bracket watt mouth 40
Grinding.Furthermore, it is possible to be assembled using connector 6 to each component of grinding attachment 20.
Preferably, grinding attachment 20 also includes frequency converter (not shown), and frequency converter electrically connects with electro spindle 4 and realizes small emery wheel
7 rotary speed regulation.That is, in grinding process, the rotary speed of small emery wheel 7 being adjusted by frequency converter and mill is controlled
Cut speed.
According to the present invention, grinding attachment 20 can also include the adjustment unit 5 for being used to adjust the height of mounting seat 2.Utilize tune
The height that unit 5 adjusts mounting seat 2 is saved, so as to so that the centre-height of small emery wheel 7 and the centre of gyration of grinding machine spindle are consistent,
Realize preferably alignment and ground effect.Wherein, adjustment unit 5 can be adjusting screw, and the invention is not restricted to this.
When as shown in Figure 2 A and 2 B, using the grinding attachment of the present invention, grinding attachment 20 is fixed on grinding carriage 10
To ensure rigidity during grinding, bracket is arranged on the spindle nose of grinding carriage case 50, and bent axle gland 30 is located at the top of bracket.
Feeding and the position of grinding carriage 10 are adjusted, makes the centre-height of small emery wheel 7 of grinding attachment 20 and the main shaft rotation center one of grinding machine
Cause and small emery wheel 7 is stretched between bracket and bent axle gland 30 and is close to the surface of bracket watt mouth 40 to grind bracket watt mouth 40
Cut, while opening grinding attachment 20 and grinding machine, make small emery wheel 7 and bracket watt mouth 40 while rotating and realize grinding.That is, grinding dress
Put 20 and worked in coordination with rotatable bracket watt mouth 40 in Crankshaft Grinding and is ground.
When being ground bracket watt mouth 40, the amount of feeding of grinding attachment 20 and position movement are controlled by the grinding carriage 10 of grinding machine,
Control is stable and cylindricity is good；The rotary speed of small emery wheel 7 is by Frequency Converter Control, and controllability is good；Small emery wheel 7 and bracket watt mouth 40
Relative motion ensure that linearity is preferable by the kinematic accuracy of grinding machine；The rotating accuracy of bracket watt mouth 40 is returned by grinding machine spindle
Turn accuracy guarantee, ovality is preferable；The bus of bracket watt mouth 40 and the depth of parallelism of guideway of grinding machine ensure by the geometric accuracy of grinding machine,
Need not back and forth it be detected with mark rod, it is only necessary to be ground to and be sized.
After being ground using the grinding attachment 20 of the present invention to bracket watt mouth, it is detected with technique watt, through inspection
Survey, contact surface can reach more than 90%；And the examination for carrying out crank-shaft link neck using the bracket watt mouth after the grinding is ground, warp
Technological requirement is fully achieved in detection, the form and position tolerance of crank-shaft link neck.Also, be ground the linearity of tail-bracket watt mouth, ovality,
Cylindricity is good, and contact strength is high and usage cycles are long.
The invention is not limited in foregoing embodiment.The present invention, which is expanded to, any in this manual to be disclosed
New feature or any new combination, and disclose any new method or process the step of or any new combination.
Claims (3)
1. a kind of grinding attachment of Crankshaft Grinding bracket watt mouth, it is characterised in that the grinding attachment includes base, peace
Seat, electro spindle, gland and small emery wheel are filled, the grinding attachment is arranged on the grinding carriage of Crankshaft Grinding by base；
Mounting seat is arranged on base, and electro spindle is fixed in mounting seat by gland, and small emery wheel is arranged on the end of electro spindle and energy
It is enough to be rotated under the drive of electro spindle；The grinding attachment is worked in coordination with rotatable bracket watt mouth in Crankshaft Grinding
It is ground and small emery wheel and bracket watt mouth realizes grinding while rotating, the grinding attachment also includes being used to adjust mounting seat
The adjustment unit of height.
2. the grinding attachment of Crankshaft Grinding bracket watt mouth according to claim 1, it is characterised in that the grinding
Device also includes frequency converter, and the frequency converter electrically connects the rotary speed regulation for realizing small emery wheel with electro spindle.
3. the grinding attachment of Crankshaft Grinding bracket watt mouth according to claim 1, it is characterised in that the regulation
Unit is adjusting screw.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510733669.6A CN105196136B (en) | 2015-11-02 | 2015-11-02 | A kind of grinding attachment of Crankshaft Grinding bracket watt mouth |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510733669.6A CN105196136B (en) | 2015-11-02 | 2015-11-02 | A kind of grinding attachment of Crankshaft Grinding bracket watt mouth |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105196136A CN105196136A (en) | 2015-12-30 |
| CN105196136B true CN105196136B (en) | 2017-09-01 |
Family
ID=54944263
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510733669.6A Active CN105196136B (en) | 2015-11-02 | 2015-11-02 | A kind of grinding attachment of Crankshaft Grinding bracket watt mouth |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105196136B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106064257A (en) * | 2016-08-20 | 2016-11-02 | 无锡市瑞尔精密机械有限公司 | Numerical control worm gear-grinding machine bed extension bistrique and the method adding work gear thereof |
| CN107471012B (en) * | 2017-09-22 | 2019-02-19 | 芜湖火龙动力科技有限公司 | A kind of crankshaft sprue polishing device |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU1664520A1 (en) * | 1988-08-08 | 1991-07-23 | Тульский Политехнический Институт | Device for abrasive machining |
| CN1759987A (en) * | 2005-11-15 | 2006-04-19 | 潍柴动力股份有限公司 | method for grinding crankshaft of diesel engine accurately |
| CN201711823U (en) * | 2010-06-30 | 2011-01-19 | 陈海蛟 | High-precision numerical control internal grinder |
| CN203003613U (en) * | 2012-12-14 | 2013-06-19 | 扬州锻压机床股份有限公司 | Lathe inner hole grinding device |
| CN205085782U (en) * | 2015-11-02 | 2016-03-16 | 中车资阳机车有限公司 | Grinding device of crankshaft connecting rod journal grinding machine bracket tile mouth |
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2015
- 2015-11-02 CN CN201510733669.6A patent/CN105196136B/en active Active
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| Publication number | Publication date |
|---|---|
| CN105196136A (en) | 2015-12-30 |
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| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB02 | Change of applicant information |
Address after: 641301 Ziyang City, Sichuan province Yanjiang District CHENFENG Road No. six Applicant after: CRRC ZIYANG CO., LTD. Address before: 641301 Ziyang City, Sichuan province Yanjiang District CHENFENG Road No. six Applicant before: CSR Ziyang Locomotive Co., Ltd. |
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| CB02 | Change of applicant information | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |