CN103707186A - Shaft part cutting and/or grinding processing clamp and processing method thereof - Google Patents
Shaft part cutting and/or grinding processing clamp and processing method thereof Download PDFInfo
- Publication number
- CN103707186A CN103707186A CN201310694709.1A CN201310694709A CN103707186A CN 103707186 A CN103707186 A CN 103707186A CN 201310694709 A CN201310694709 A CN 201310694709A CN 103707186 A CN103707186 A CN 103707186A
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- Prior art keywords
- fixture block
- chuck
- hole
- screw rod
- lower fixture
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Classifications
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- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q3/00—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
-
- 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
- B24B41/067—Work supports, e.g. adjustable steadies radially supporting workpieces
Abstract
The invention provides a shaft part cutting and/or grinding processing clamp and a processing method thereof. The clamp comprises a clamping disc, an upper clamping block and a lower clamping block, a part through hole is arranged in the middle of the clamping disc, the upper clamping block and the lower clamping block are mounted in a same radial direction of the clamping disc respectively and can be in linear feeding movement in the radial direction of the clamping disc, a limiting device is connected on the upper clamping block and the lower clamping block respectively and can limit position of the upper clamping block or the lower clamping block, a V-shaped opening is arranged on each of the upper clamping block and the lower clamping block, and the openings of the upper clamping block and the lower clamping block are arranged oppositely. The processing method utilizes the clamp, so that perfect circle direction or eccentricity of a part can be conveniently adjusted within an allowable range of the clamp, processing accuracy can be guaranteed within a dimensional tolerance range, and different processing condition requirements can be met. The shaft part cutting and/or grinding processing clamp is simple in structure, wide in application range and capable of meeting needs of processing of outer circles or inner circles of various shaft parts, and has good application prospect.
Description
Technical field
The present invention relates to mechanical field, be specifically related to a kind of axial workpiece cutting and/or clamp for grinding and processing method.
Background technology
At present, axle class part carries out cutting and/or the grinding of inner circle or cylindrical on universal grinding machine external, adopts three-jaw or chuck clamping workpiece more.Because requirement on machining accuracy is higher, in when batch production, as the three-jaw with conventional or chuck clamping workpiece, exist following shortcoming: a, every workpiece all needs the use dial gauge centering center of circle, complex operation, production efficiency is low; B, setting accuracy are low, and mismachining tolerance is larger; C, be inconvenient to process eccentric inner circle or cylindrical.
In prior art, occurred the special fixture of some axial workpieces, but these special fixtures can only, for the part of one or several types, for the part processing of different eccentric throws and the different diameters of axle, need to be changed different special fixtures.Therefore, when enterprise's axis products specification is more, need to prepare many specifications special fixture, increase cost, and not convenient process operation, operating efficiency affected.
Summary of the invention
The present invention aims to provide a kind of axial workpiece cutting and/or clamp for grinding and processing method, this fixture and processing method can realize part and accurately locate, and after once adjusting, the processing of same specification part is without again adjusting, guarantee processing continuity, can adapt to many specifications Machining of Shaft-type Parts, wide application.
Axial workpiece cutting of the present invention and/or clamp for grinding, comprise chuck, upper fixture block and lower fixture block, the centre of described chuck is provided with part through hole, the same footpath of chuck is upwards separately installed with fixture block and lower fixture block, and described upper fixture block and lower fixture block can be done straight-line feed motion in the radial direction at this of chuck; Upper fixture block is connected with stopping means respectively with on lower fixture block, upper fixture block or lower fixture block can be limited to position; On described upper fixture block and lower fixture block, be respectively equipped with V-type opening, the opening of upper fixture block and lower fixture block is oppositely arranged.
Described upper fixture block and lower fixture block are interlaced in its vertical direction, can be most of overlapping while moving in opposite directions near the center of circle of chuck.
The stopping means of described upper fixture block comprises block and screw rod; Described block is fixed on chuck, is positioned at the top of fixture block, and block is provided with screwed hole; Described upper fixture block is provided with the installing hole coordinating with screw rod, and the lower end of screw rod is provided with ring-type draw-in groove; The external screw thread of described screw rod coordinates with screwed hole, and screw rod inserts in installing hole through after screwed hole; Described upper fixture block is provided with the pin-and-hole through installing hole, and the direction of pin-and-hole is vertical with installing hole, inserts bayonet lock in pin-and-hole; Described bayonet lock is corresponding with ring-type draw-in groove shape, inserts in ring-type draw-in groove, does not affect the rotation of screw rod when blocking screw rod.
The restriction position of described lower fixture block comprises chute and guide pad; Described chute is located at chuck footpath upwards, the position of corresponding lower fixture block; Described guide pad is installed in chute, and one end is fixedly connected with lower fixture block, and guide pad is provided with holddown groove, and the arbitrary position in the corresponding holddown groove of described chuck is provided with bolt hole.
By be screwed into bolt in bolt hole, the position of fixed guide piece on chute, thereby the position of fixing lower fixture block.
The present invention also provides axial workpiece cutting and/or grinding processing method, has applied above-mentioned axial workpiece cutting and/or clamp for grinding, comprises the following steps:
A, by behind the chuck dial gauge centering center of circle, clamping is on the three-jaw or chuck of platen;
B, upper fixture block and lower fixture block are placed in to enable possition, part through hole by part through chuck, be placed between fixture block and lower fixture block, the cylindrical center of circle with dial gauge centering part, according to processing, need to adjust the upper-lower position in the part center of circle, in control, fixture block and lower fixture block clamp part, limit the position of fixture block and lower fixture block by stopping means;
C, the positive center of circle of carrying out first part or eccentric inside and outside circle are processed;
In D, releasing, fixture block is spacing, unclamps fixture block, takes out the part processing, new part is directly put on lower fixture block, in control, fixture block clamps part downwards, limits the position of fixture block by stopping means, carries out the positive center of circle of new part or eccentric inside and outside circle processing.
Described upper fixture block and lower fixture block are interlaced in its vertical direction, can be most of overlapping while moving in opposite directions near the center of circle of chuck, can clamp the part of minor diameter.
The stopping means of described upper fixture block comprises block and screw rod; Described block is fixed on chuck, is positioned at the top of fixture block, and block is provided with screwed hole; Described upper fixture block is provided with the installing hole coordinating with screw rod, and the lower end of screw rod is provided with ring-type draw-in groove; The external screw thread of described screw rod coordinates with screwed hole, and screw rod inserts in installing hole through after screwed hole; Described upper fixture block is provided with the pin-and-hole through installing hole, and the direction of pin-and-hole is vertical with installing hole, inserts bayonet lock in pin-and-hole; Described bayonet lock is corresponding with ring-type draw-in groove shape, inserts in ring-type draw-in groove, does not affect the rotation of screw rod when blocking screw rod; By both forward and reverse directions rotary screw, in drive, fixture block moves along the straight-line feed of axially doing of screw rod, thereby adjusts the position on upper fixture block chuck.
The restriction position of described lower fixture block comprises chute and guide pad; Described chute is located at chuck footpath upwards, the position of corresponding lower fixture block; Described guide pad is installed in chute, and one end is fixedly connected with lower fixture block, and guide pad is provided with holddown groove, and the arbitrary position in the corresponding holddown groove of described chuck is provided with bolt hole; Guide pad slides in chute, thereby drives the feed motion of lower fixture block in the direction of chute, thereby adjusts the position on lower fixture block chuck; By be screwed into bolt in bolt hole, the position of fixed guide piece on chute, thereby the position of fixing lower fixture block.
The present invention is by upper fixture block and the lower fixture block of unique design, and the V-type opening of splitting on upper fixture block and lower fixture block, can realize the clamping that axial workpiece is firm; By upper fixture block and lower fixture block, at the same straight-line feed in the radial direction of chuck, move, can in fixture allowed band, regulate easily the positive circular direction of part or the degree of eccentricity, machining accuracy can be in dimensional tolerance range, guaranteed, different processing working condition requirements can be adapted to.
Upper fixture block and the interlaced structure setting in its vertical direction of lower fixture block in the present invention, widened the diameter of axle specification limit that clamps part greatly, can adapt to the processing of the part that the diameter of axle is very little, also can meet the clamping requirement of large-diameter part.And can design greater or lesser fixture specification according to part situation, fixture of the present invention can be applied on the part of the various diameters of axle.
The preferred structure of the stopping means of upper fixture block in the present invention, the structure forming by screw rod, block and screwed hole, screw rod, both as the track of guiding, is also the position stability that guarantees upper fixture block, by rotary screw, just can realize fixture block in the feed motion of screw axial.
The preferred structure of the stopping means of lower fixture block in the present invention, by chute, guide pad, can freely adjust the position of lower fixture block, by be screwed into bolt in bolt hole, thereby be fixed up in the position of guide pad, play position-limiting action, the position stability that keeps lower fixture block, this is also the basis of follow-up same specification part location, and subsequent parts is directly put on lower fixture block, tightens the screw rod of fixture block, just can directly process, without the home position of reorientating part.
The present invention is simple in structure, adapts to widely, can meet the needs of various axial workpiece cylindricals or inner circle processing, has a good application prospect, and has outstanding substantive distinguishing features and significant progressive with respect to prior art.
Accompanying drawing explanation
Fig. 1 is the side structure schematic diagram of fixture of the present invention
Fig. 2 is the Facad structure schematic diagram of fixture of the present invention
Fig. 3 be fixture of the present invention side sectional view
Schematic diagram when Fig. 4 is fixture clamping minor diameter part of the present invention
Side schematic view when Fig. 5 is fixture clamping minor diameter part of the present invention
Fig. 6 is the schematic diagram of embodiment 1 processing parts
Fig. 7 is the schematic diagram of embodiment 2 processing parts
Sequence number in figure and each several part structure and title are as follows:
1-chuck, the upper fixture block of 2-, fixture block under 3-, 4-part through hole, 5-block, 6-screw rod, 7-screwed hole, 8-installing hole, 9-ring-type draw-in groove, 10-pin-and-hole, 11-bayonet lock, 12-chute, 13-guide pad, 14-holddown groove, 15-bolt hole, 16-bolt.
The specific embodiment
Below in conjunction with accompanying drawing, embodiments of the invention are described:
As depicted in figs. 1 and 2, axial workpiece cutting and/or clamp for grinding comprise chuck 1, upper fixture block 2 and lower fixture block 3, the centre of described chuck 1 is provided with part through hole 4, the same footpath of chuck 1 is upwards separately installed with fixture block 2 and lower fixture block 3, and described upper fixture block 2 and lower fixture block 3 can be done straight-line feed motion in the radial direction at this of chuck 1; Upper fixture block 2 is connected with stopping means respectively with on lower fixture block 3, upper fixture block 2 or lower fixture block 3 can be limited to position; On described upper fixture block 2 and lower fixture block 3, be respectively equipped with V-type opening, the opening of upper fixture block 2 and lower fixture block 3 is oppositely arranged.
As shown in Figure 1, Figure 4 and Figure 5, described upper fixture block 2 and lower fixture block 3 are interlaced in its vertical direction, can be most of overlapping while moving in opposite directions near the center of circle of chuck 1.
As shown in Figure 1-Figure 3, the stopping means of described upper fixture block 2 comprises block 5 and screw rod 6; Described block 5 is fixed on chuck 1, is positioned at the top of fixture block 2, and block 5 is provided with screwed hole 7; Described upper fixture block 2 is provided with the installing hole coordinating 8 with screw rod 5, and the lower end of screw rod 6 is provided with ring-type draw-in groove 9; The external screw thread of described screw rod 6 coordinates with screwed hole 7, and screw rod 6 is through in the rear insertion installing hole 8 of screwed hole 7; Described upper fixture block 2 is provided with the pin-and-hole 10 through installing hole 8, and the direction of pin-and-hole 10 is vertical with installing hole 8, inserts bayonet lock 11 in pin-and-hole 10; Described bayonet lock 11 is corresponding with ring-type draw-in groove 9 shapes, inserts in ring-type draw-in groove 9, does not affect the rotation of screw rod 6 when blocking screw rod 6.
The restriction position of described lower fixture block 3 comprises chute 12 and guide pad 13; Described chute 12 is located at chuck 1 footpath upwards, the position of corresponding lower fixture block 3; Described guide pad 13 is installed in chute 12, and one end is fixedly connected with lower fixture block 3, and guide pad 13 is provided with holddown groove 14, and the arbitrary position in the corresponding holddown groove 14 of described chuck 1 is provided with bolt hole 15.
By be screwed into bolt 16 in bolt hole 15, the position of fixed guide piece 13 on chute 12, thereby the position of fixing lower fixture block 3.
As shown in Figure 6, on universal grinding machine external, processing parts cylindrical φ 600-0.01 and inner circle φ 600+0.01, require to be φ 0.05 with part benchmark cylindrical φ 80 ± 0.01 axialities.
Step:
1, the chuck of fixture 1 is arranged on universal grinding machine external chuck, with the center of circle of dial gauge centering chuck 1;
2, part benchmark cylindrical φ 80 ± 0.01 is put on the middle part through hole 4 of chuck 1, be placed between fixture block 2 and lower fixture block 3, the position of fixture block 2 and lower fixture block 3 in adjustment, clamps part outer φ 80 ± 0.01, with using dial gauge centering part outer φ 80 ± 0.01 centers of circle;
3, adjust stopping means, fixture block 2 and lower fixture block 3 on locking;
4, carry out the processing of cylindrical φ 600-0.01 mill pin;
5, cylindrical φ 600-0.01 completion of processing, unclamps the stopping means of fixture block 2, takes out part, part tune, puts into part benchmark cylindrical φ 80 ± 0.01 on lower fixture block 3 fixture block 2 positions in adjustment, clamp part, the stopping means of fixture block 2 in adjustment, on locking, fixture block 2;
6, carry out the processing of inner circle φ 600+0.01 mill pin;
7, inner circle φ 600+0.01 completion of processing, unclamps fixture block 2 and lower fixture block 3, takes out part.
As shown in Figure 7, on universal grinding machine external, processing parts cylindrical φ 600-0.01, requires as e ± 0.05 with part benchmark cylindrical φ 80 ± 0.01 offsets.
Step:
1, the chuck of fixture 1 is arranged on universal grinding machine external chuck, with the center of circle of dial gauge centering chuck 1;
2, part benchmark cylindrical φ 80 ± 0.01 is put on the middle part through hole 4 of chuck 1, be placed between fixture block 2 and lower fixture block 3, the position of fixture block 2 and lower fixture block 3 in adjustment, clamp part outer φ 80 ± 0.01, adjusting screw(rod) clamps part outer φ 80 ± 0.01 simultaneously, with measuring φ 80 ± 0.01 beating degrees with dial gauge, until meet mmax-mmin=2 e (mmax-maximum jitter degree, the minimum beating degree of mmin-), tighten bolt 16, under locking, fixture block 3, tighten screw rod 1, and on locking, fixture block 2;
3, carry out the processing of eccentric excircle φ 600-0.01 mill pin;
4, cylindrical φ 600-0.01 completion of processing, unclamps screw rod 1, takes out part.
Claims (8)
1. an axial workpiece cuts and/or clamp for grinding, comprise chuck (1), upper fixture block (2) and lower fixture block (3), it is characterized in that: the centre of described chuck (1) is provided with part through hole (4), the same footpath of chuck (1) is upwards separately installed with fixture block (2) and lower fixture block (3), and described upper fixture block (2) and lower fixture block (3) can be done straight-line feed motion in the radial direction at this of chuck (1); Upper fixture block (2) is connected with stopping means respectively with on lower fixture block (3), upper fixture block (2) or lower fixture block (3) can be limited to position; On described upper fixture block (2) and lower fixture block (3), be respectively equipped with V-type opening, the opening of upper fixture block (2) and lower fixture block (3) is oppositely arranged.
2. axial workpiece as claimed in claim 1 cuts and/or clamp for grinding, it is characterized in that: described upper fixture block (2) and lower fixture block (3) are interlaced in its vertical direction, can be most of overlapping while moving in opposite directions near the center of circle of chuck (1).
3. axial workpiece cutting as claimed in claim 1 and/or clamp for grinding, is characterized in that: the stopping means of described upper fixture block (2) comprises block (5) and screw rod (6); It is upper that described block (5) is fixed on chuck (1), is positioned at the top of fixture block (2), and block (5) is provided with screwed hole (7); Described upper fixture block (2) is provided with the installing hole coordinating (8) with screw rod (5), and the lower end of screw rod (6) is provided with ring-type draw-in groove (9); The external screw thread of described screw rod (6) coordinates with screwed hole (7), and screw rod (6) is through inserting after screwed hole (7) in installing hole (8); Described upper fixture block (2) is provided with the pin-and-hole (10) through installing hole (8), and the direction of pin-and-hole (10) is vertical with installing hole (8), inserts bayonet lock (11) in pin-and-hole (10); Described bayonet lock (11) is corresponding with ring-type draw-in groove (9) shape, inserts in ring-type draw-in groove (9), does not affect the rotation of screw rod (6) when blocking screw rod (6).
4. axial workpiece cutting as claimed in claim 1 and/or clamp for grinding, is characterized in that: the restriction position of described lower fixture block (3) comprises chute (12) and guide pad (13); Described chute (12) is located at chuck (1) footpath upwards, the position of corresponding lower fixture block (3); Described guide pad (13) is installed in chute (12), and one end is fixedly connected with lower fixture block (3), and guide pad (13) is provided with holddown groove (14), and the arbitrary position in the corresponding holddown groove of described chuck (1) (14) is provided with bolt hole (15).
5. axial workpiece cutting and/or a grinding processing method, applied axial workpiece cutting as claimed in claim 1 and/or clamp for grinding, it is characterized in that comprising the following steps:
A, by behind chuck (1) the dial gauge centering center of circle, clamping is on the three-jaw or chuck of platen;
B, upper fixture block (2) and lower fixture block (3) are placed in to enable possition, part through hole (4) by part through chuck (1), be placed between fixture block (2) and lower fixture block (3), the cylindrical center of circle with dial gauge centering part, according to processing, need to adjust the upper-lower position in the part center of circle, fixture block in control (2) and lower fixture block (3) clamp part, limit the position of fixture block (2) and lower fixture block (3) by stopping means;
C, the positive center of circle of carrying out first part or eccentric inside and outside circle are processed;
Fixture block in D, releasing (2) is spacing, unclamp fixture block (2), the part that taking-up processes, new part is directly put on lower fixture block (3), fixture block in control (2) clamps part downwards, by stopping means, limit the position of fixture block (2), carry out the positive center of circle of new part or eccentric inside and outside circle processing.
6. axial workpiece as claimed in claim 5 cuts and/or grinding processing method, it is characterized in that:
Described upper fixture block (2) and lower fixture block (3) are interlaced in its vertical direction, can be most of overlapping while moving in opposite directions near the center of circle of chuck (1), can clamp the part of minor diameter.
7. axial workpiece as claimed in claim 5 cuts and/or grinding processing method, it is characterized in that:
The stopping means of described upper fixture block (2) comprises block (5) and screw rod (6); It is upper that described block (5) is fixed on chuck (1), is positioned at the top of fixture block (2), and block (5) is provided with screwed hole (7); Described upper fixture block (2) is provided with the installing hole coordinating (8) with screw rod (5), and the lower end of screw rod (6) is provided with ring-type draw-in groove (9); The external screw thread of described screw rod (6) coordinates with screwed hole (7), and screw rod (6) is through inserting after screwed hole (7) in installing hole (8); Described upper fixture block (2) is provided with the pin-and-hole (10) through installing hole (8), and the direction of pin-and-hole (10) is vertical with installing hole (8), inserts bayonet lock (11) in pin-and-hole (10); Described bayonet lock (11) is corresponding with ring-type draw-in groove (9) shape, inserts in ring-type draw-in groove (9), does not affect the rotation of screw rod (6) when blocking screw rod (6);
By both forward and reverse directions rotary screw (6), fixture block in drive (2) moves along the straight-line feed of axially doing of screw rod (6), thereby adjusts the position on upper fixture block (2) chuck (1).
8. axial workpiece as claimed in claim 5 cuts and/or grinding processing method, it is characterized in that:
The restriction position of described lower fixture block (3) comprises chute (12) and guide pad (13); Described chute (12) is located at chuck (1) footpath upwards, the position of corresponding lower fixture block (3); Described guide pad (13) is installed in chute (12), and one end is fixedly connected with lower fixture block (3), and guide pad (13) is provided with holddown groove (14), and the arbitrary position in the corresponding holddown groove of described chuck (1) (14) is provided with bolt hole (15);
Guide pad (13) slides in chute (12), thereby drives the feed motion of lower fixture block (3) in the direction of chute (12), thereby adjusts the position on lower fixture block (3) chuck (1); By be screwed into bolt (16) in bolt hole (15), the position of fixed guide piece (13) on chute (12), thereby the position of fixing lower fixture block (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310694709.1A CN103707186A (en) | 2013-12-18 | 2013-12-18 | Shaft part cutting and/or grinding processing clamp and processing method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310694709.1A CN103707186A (en) | 2013-12-18 | 2013-12-18 | Shaft part cutting and/or grinding processing clamp and processing method thereof |
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| CN103707186A true CN103707186A (en) | 2014-04-09 |
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| CN201310694709.1A Pending CN103707186A (en) | 2013-12-18 | 2013-12-18 | Shaft part cutting and/or grinding processing clamp and processing method thereof |
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| CN105588611A (en) * | 2016-03-16 | 2016-05-18 | 吴金千 | Novel detection apparatus for shaft parts and usage method thereof |
| CN105628370A (en) * | 2016-03-16 | 2016-06-01 | 杭州聚祥锁具有限公司 | Shaft part energy-saving detection device and use method thereof |
| CN105806278A (en) * | 2016-03-16 | 2016-07-27 | 骆伟法 | Shaft-part detection device with LED indicator lamp and application method thereof |
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Application publication date: 20140409 |