CN202622495U - Grinding machine fixture positioning mechanism - Google Patents

Grinding machine fixture positioning mechanism Download PDF

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Publication number
CN202622495U
CN202622495U CN 201220294449 CN201220294449U CN202622495U CN 202622495 U CN202622495 U CN 202622495U CN 201220294449 CN201220294449 CN 201220294449 CN 201220294449 U CN201220294449 U CN 201220294449U CN 202622495 U CN202622495 U CN 202622495U
Authority
CN
China
Prior art keywords
grinding machine
ring
fixture
pedestal
detent
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.)
Expired - Fee Related
Application number
CN 201220294449
Other languages
Chinese (zh)
Inventor
郑仁昌
陈智
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
CHONGQING TOOLS WORKS Co Ltd
Original Assignee
CHONGQING TOOLS WORKS Co Ltd
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 CHONGQING TOOLS WORKS Co Ltd filed Critical CHONGQING TOOLS WORKS Co Ltd
Priority to CN 201220294449 priority Critical patent/CN202622495U/en
Application granted granted Critical
Publication of CN202622495U publication Critical patent/CN202622495U/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Abstract

The utility model relates to a grinding machine fixture positioning mechanism which comprises a base and an approaching ring. The base is installed on the tail portion of a grinding machine, a datum end face and a central hole are arranged on the base, the left surface and the right surface of the approaching ring are parallel, a plummer block is arranged on the left surface of the approaching ring, circular through holes which are same in size are arranged on axes of the approaching ring and the plummer block, centre lines of the circular through holes coincide, the plummer block is in clearance fit with the central hole of the base, and the left surface of the approaching ring is attached to the datum end face on the base. When the grinding machine fixture positioning mechanism processes workpieces with different apertures, only the approaching ring rather than a fixture in the positioning device is required to be replaced, and the effect of reducing times of replacing the fixture and calibrating the central hole is achieved.

Description

The detent mechanism of fixture for grinding machine
Technical field
The utility model relates to a kind of detent mechanism of fixture for grinding machine, the detent mechanism of the anchor clamps during especially for the different apertures of internal grinder grinding workpiece.
Background technology
When the workpiece in the different apertures of internal grinder grinding; Need to use the anchor clamps of different size specification, when changing different anchor clamps, all need the operator to carry out frock and check and correction centre bore up and down at every turn; For converted products aperture specification many time; Frequent replacing anchor clamps and check and correction centre bore not only increase operator's working strength, waste a large amount of working times simultaneously, the productivity effect of reduction.
The utility model content
In view of this; The purpose of the utility model is to provide a kind of detent mechanism of fixture for grinding machine; The detent mechanism of this fixture for grinding machine is when the workpiece in the different apertures of processing; Only need to change and lean on ring in the detent mechanism, and need not change anchor clamps, reach and reduce the effect of changing anchor clamps and the number of times of proofreading centre bore.
In order to solve the problems of the technologies described above; The detent mechanism of the utility model fixture for grinding machine comprises the pedestal that is installed in the grinding machine afterbody, and said pedestal is provided with datum end face and centre bore, comprises that also parallel the leaning in left and right two surfaces encircle; Said by the ring left surface be provided with pillow block; Saidly be provided with the manhole of equal and opposite in direction and central lines by ring and said pillow block axis, matched in clearance between this pillow block and the said pedestal centre bore, this fits by the datum end face that encircles on left surface and the said pedestal;
Further, said by the ring process by hard metal material;
Further, said pillow block external diameter is 20~200mm;
Further, said pillow block external diameter is 50mm or 100mm or 150mm or 180mm;
Further, said through-hole aperture is 10~150mm;
Further, the grade of tolerance of matched in clearance is IT2-IT8 between said pillow block outer surface and the said pedestal centre bore;
Further, said pedestal centre bore and the said surface roughness that goes up the pillow block outer surface by ring are 1.6 or 0.8 or 0.4, and the said grade of tolerance of leaning on the flatness of encircling the said relatively pedestal datum end face in left and right two surfaces is for being not less than 8 grades.
The beneficial effect of the utility model is:
1. this detent mechanism of fixture for grinding machine of the utility model; Adopt the centre bore of pedestal to be provided with by encircling and utilize the pedestal centre bore and cooperating by the pillow block outer surface high-precision gap on the ring; Reach the effect that the datum end face that utilize to lean on the ring end face to replace pedestal reaches the location, so only need to change the purpose that just can reach the workpiece of processing different apertures by encircling.
2. this detent mechanism of fixture for grinding machine of the utility model is provided with the ring that leans on that hard metal material leans on ring and different size specification, increases the service life and the scope of application of leaning on ring, reaches the effect that reduces the replacing frock and proofread the number of times of centre bore simultaneously.
Description of drawings
Below in conjunction with accompanying drawing and embodiment of the present invention the present invention is done further detailed explanation:
Fig. 1 is the partial sectional view of the detent mechanism of the utility model fixture for grinding machine;
Fig. 2 is the structural representation of the detent mechanism of the utility model fixture for grinding machine;
Fig. 3 is by the structural representation of ring in the detent mechanism of the utility model fixture for grinding machine;
Fig. 4 is the A-A cutaway view by ring shown in Figure 3.
Reference numeral: 1-grinding machine afterbody; The 2-pedestal; The 3-datum end face; The 4-centre bore; 5-is by ring; The 6-through hole; The 7-pillow block; The 9-workpiece; 11 – bolts.
The specific embodiment
For the purpose, technical scheme and the advantage that make the utility model is clearer, the preferred embodiment in the face of the utility model carries out detailed description down.
Embodiment one
Fig. 1 is the partial sectional view of the detent mechanism of the utility model fixture for grinding machine; Fig. 2 is the structural representation of the detent mechanism of the utility model fixture for grinding machine; Fig. 3 is by the structural representation of ring in the detent mechanism of the utility model fixture for grinding machine; Fig. 4 is the cutaway view by ring shown in Figure 3.The detent mechanism of the fixture for grinding machine of the utility model comprises the pedestal 2 that is installed in grinding machine afterbody 1; Pedestal 2 is provided with datum end face 3 and centre bore 4; Also comprise the parallel ring 5 that leans in left and right two surfaces, said ring 5 left surfaces of leaning on are provided with pillow block 7, said by encircle 5 and said pillow block 7 axis be provided with the manhole 6 of equal and opposite in direction and central lines; Matched in clearance between this pillow block 7 and said pedestal 2 centre bores 3 should fit by the datum end face 4 on ring 5 left surfaces and the said pedestal 2.Pedestal 2 is dismountable, and it is installed on the grinding machine afterbody 1 through bolt 11
Further, processed by hard metal material by ring 5, hard metal material comprises 45# steel, 20# steel; Stainless steel or other steel alloys etc., the preferred stainless steel material of present embodiment is owing in use need frequent change by ring 5; Advantages such as this material require has wear-resisting, and hardness is high and antirust.
Further, the external diameter of pillow block 7 is 20~200mm, and preferred pillow block 7 external diameters of present embodiment are 50mm.
Further; Through hole 6 apertures are 10,20,30 or 40mm, have shown in each numerical value corresponding aperture by ring, need the smaller annular aperture that leans in workpiece 9 apertures of processing; Its purpose reduces the plastic deformation that endoporus should be located for raising processing work 9 and by encircling the endoporus machining accuracy of junction;
Lean on annular aperture 10mm 20mm 30mm 40mm
Workpiece aperture d (mm) d﹤10 10≤d﹤20 20≤d﹤30 30≤d﹤40
As above during the workpiece 9 in the different apertures of processing shown in the table, need leaning on of selected corresponding aperture to encircle.
During processing work 9, an end face of workpiece 9 is leaned against by on the ring 5 right surfaces, tighten workpiece 9 with external chuck again and get final product; When needing the workpiece 9 in the another kind of different apertures of processing; Only need to change different aperture institutes the ring 5 that leans on of usefulness is got final product,, be installed on the pedestal by encircling 5 what select for use again original taking off by encircling 5; One end face of workpiece 9 is leaned against by on the ring 5 right surfaces, get final product with external chuck chucking workpiece 9.
Further, the grade of tolerance of matched in clearance is IT2~IT8 between pedestal 2 centre bores 4 and the pillow block 7; The selection standard of the grade of tolerance of this matched in clearance can be according to the demand precision of workpiece, and the machining accuracy that workpiece requires is high more, and the grade of tolerance of selected matched in clearance is high more.
Further, centre bore 4 and be 1.6 or 0.8 or 0.4 on the pedestal 2 by the roughness of pillow block 7 external diameters of ring on 5, the grade of tolerance of the flatnesses of pedestal 2 datum end faces is for being not less than 8 grades relatively to lean on ring 5 left and right two surfaces, and preferably the grade of tolerance is 5 grades or 6 grades.
Embodiment two
Present embodiment is with the difference that embodiment one compares: the pillow block external diameter described in the present embodiment is 100mm, and through hole 6 apertures are 50,60,70 or 80mm,, have shown in each numerical value corresponding aperture by ring 5:
Lean on annular aperture 50mm 60mm 70mm 80mm
Workpiece aperture d (mm) 50≤d﹤60 60≤d﹤70 70≤d﹤80 80≤d﹤90
As above during the workpiece in the different apertures of processing shown in the table, need leaning on of selected corresponding aperture to encircle.
Other structures of present embodiment are identical with first embodiment, tired no longer one by one stating.
Embodiment three
Present embodiment is with the difference that embodiment one, two compares: the external diameter of pillow block described in the present embodiment is 150mm, and through hole 6 apertures are 100,110,120 or 130mm,, have shown in each numerical value corresponding aperture by ring:
Lean on annular aperture 100mm 110mm 120mm 130mm
Workpiece aperture d (mm) 90≤d﹤100 100≤d﹤110 110≤d﹤120 120≤d﹤130
As above during the workpiece in the different apertures of processing shown in the table, need leaning on of selected corresponding aperture to encircle.
Other structures of present embodiment are identical with first embodiment, tired no longer one by one stating.
Embodiment four
Present embodiment is with the difference that embodiment one, two or three compares: the external diameter of pillow block described in the present embodiment is 180mm; Through hole 6 apertures are 120,130,140 or 150mm; Have shown in each numerical value corresponding aperture by ring: during the workpiece in the different apertures of processing as shown in the table, need leaning on of selected corresponding aperture to encircle:
Lean on annular aperture 120mm 130mm 140mm 150mm
Workpiece aperture d (mm) 110≤d﹤120 120≤d﹤130 130≤d﹤140 140≤d≤150
As above during the workpiece in the different apertures of processing shown in the table, need leaning on of selected corresponding aperture to encircle.
Other structures of present embodiment are identical with first embodiment, tired no longer one by one stating.
Explanation is at last; Above embodiment is only unrestricted in order to the technical scheme of explanation the utility model; Although the preferred embodiment through with reference to the utility model is described the utility model; But those of ordinary skill in the art is to be understood that; Can be in form with details on it is made various changes (for example pillow block and inequality or size, shaped somewhat change by the through hole of ring), and the spirit and the scope of the utility model that does not depart from appended claims and limited.

Claims (7)

1. the detent mechanism of a fixture for grinding machine; Comprise the pedestal that is installed in the grinding machine afterbody, said pedestal is provided with datum end face and centre bore, it is characterized in that: comprise that also parallel the leaning in left and right two surfaces encircle; Said by the ring left surface be provided with pillow block; Saidly be provided with the manhole of equal and opposite in direction and central lines by ring and said pillow block axis, matched in clearance between this pillow block and the said pedestal centre bore, this fits by the datum end face that encircles on left surface and the said pedestal.
2. the detent mechanism of fixture for grinding machine as claimed in claim 1 is characterized in that: saidly processed by hard metal material by ring.
3. the detent mechanism of fixture for grinding machine as claimed in claim 1, it is characterized in that: said pillow block external diameter is 20~200mm.
4. the detent mechanism of fixture for grinding machine as claimed in claim 3, it is characterized in that: said pillow block external diameter is 50mm or 100mm or 150mm or 180mm.
5. the detent mechanism of fixture for grinding machine as claimed in claim 1, it is characterized in that: said through-hole aperture is 10~150mm.
6. the detent mechanism of fixture for grinding machine as claimed in claim 1 is characterized in that: between said pillow block outer surface and the said pedestal centre bore matched in clearance the grade of tolerance be IT2~IT8.
7. like the detent mechanism of each described fixture for grinding machine in the claim 1 to 6; It is characterized in that: said pedestal centre bore and the said surface roughness that goes up the pillow block outer surface by ring are 1.6 or 0.8 or 0.4, and the said grade of tolerance of leaning on the flatness of encircling the said relatively pedestal datum end face in left and right two surfaces is for being not less than 8 grades.
CN 201220294449 2012-06-21 2012-06-21 Grinding machine fixture positioning mechanism Expired - Fee Related CN202622495U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 201220294449 CN202622495U (en) 2012-06-21 2012-06-21 Grinding machine fixture positioning mechanism

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 201220294449 CN202622495U (en) 2012-06-21 2012-06-21 Grinding machine fixture positioning mechanism

Publications (1)

Publication Number Publication Date
CN202622495U true CN202622495U (en) 2012-12-26

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN 201220294449 Expired - Fee Related CN202622495U (en) 2012-06-21 2012-06-21 Grinding machine fixture positioning mechanism

Country Status (1)

Country Link
CN (1) CN202622495U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109848848A (en) * 2019-01-25 2019-06-07 成都众仁机械设备有限公司 A kind of grinding machine mill frame set

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109848848A (en) * 2019-01-25 2019-06-07 成都众仁机械设备有限公司 A kind of grinding machine mill frame set

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C14 Grant of patent or utility model
GR01 Patent grant
EXPY Termination of patent right or utility model
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20121226

Termination date: 20140621