CN203495626U - Boring clamp used for machining special-shaped oil cylinder of gear milling machine - Google Patents
Boring clamp used for machining special-shaped oil cylinder of gear milling machine Download PDFInfo
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- CN203495626U CN203495626U CN201320638539.0U CN201320638539U CN203495626U CN 203495626 U CN203495626 U CN 203495626U CN 201320638539 U CN201320638539 U CN 201320638539U CN 203495626 U CN203495626 U CN 203495626U
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- oil cylinder
- special
- shaped oil
- boring
- clamp base
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Abstract
The utility model relates to a boring clamp used for machining a special-shaped oil cylinder of a gear milling machine. The boring clamp is characterized in that the clamp comprises a clamp base, supporting plates arranged on the clamp base, positioning frames, a first screw frame, a second screw frame and boring rod supports and further comprises a positioning pin, a pressing plate and a rectangular body upper end face pressing plate, wherein one positioning frame is located between every set of supporting plats, positioning supporting plates matched with a rectangular groove in the bottom of the special-shaped oil cylinder are installed on the positioning frames, the first screw frame is arranged on the upper end face of the clamp base and corresponds to one side face of a special-shaped oil cylinder rectangular body, the second screw frame is arranged on the upper end face of the clamp base and corresponds to the other side face of the special-shaped oil cylinder rectangular body, the first screw frame and the second screw frame are respectively provided with a first adjusting screw, the boring rod supports are symmetrically arranged on the two sides of the upper end face of the clamp base, and the pressing plate and the rectangular body upper end face pressing plate are used for pressing the external circle part of the special-shaped oil cylinder. The boring clamp has the advantages that machining accuracy and production efficiency of special-shaped oil cylinder holes can be substantially improved, and the boring clamp is convenient to operate. When a batch of one-time workpieces are machined, the clamp only needs to be adjusted one time, and therefore the boring clamp is particularly suitable for production of special-shaped oil cylinders in batches; besides, the special-shaped oil cylinder can be prevented from deforming in the hole machining process, and the geometrical dimension accuracy of the machined special-shaped oil cylinder is guaranteed.
Description
Technical field
The utility model belongs to mechanical equipment technical field, particularly relates to a kind of for processing the boring fixture of tooth milling machine abnormity oil cylinder.
Background technology
Abnormity oil cylinder, in spiral bevel gear milling machine bed, is interior chaindriven vital part, all has this type of part in tooth gear milling machine series.Abnormity oil cylinder drawing requirement: 1, special-shaped oil cylinder overall length 450mm, in the middle of oil cylinder, there is the cuboid vertical with endoporus with cylindrical to be of a size of 225mm * 140mm * 57mm, in cuboid 34 lower ends, there is 225mm * 70H7 rectangular channel 34-1, rectangular channel both sides, to oil cylinder Φ 90g5, Φ 130g5 cylindrical, refer to Fig. 4 and Fig. 5.1, special-shaped oil cylinder center line is to rectangular channel perpendicularity at 100mm scope franchise 0.008mm, and groove is to the perpendicularity of bottom surface C franchise 0.005mm within the scope of 100mm.2, oil cylinder Φ 82H7 hole, roughness is 0.2 μ m, and to Φ 90g5, Φ 130g5 cylindrical circular runout franchise 0.01mm in 450mm length, the bus in hole is parallel in 0.006mm, and circularity is in 0.003mm.3, two outer circles are in 0.003mm, and oil cylinder material is HT300.
Traditional diamond-making technique; On the T-shaped groove of boring table, pack position block into, require the symmetrical end face of block two in 225mm length in parallel franchise 0.01mm.After dress, with amesdial centering block end face, in 225mm length, beat in 0.015mm, after centering, the side and the bottom surface C that are machined to 225mm * 70H7 groove of figure requirement are positioned on position block end face.Now must measure cylindrical Φ 90g5, whether endoporus, processing capacity that Φ 130g5 is corresponding even, also centering Φ 90g5, Φ 130g5 cylindrical again after clamping with pressing plate again, correction is because of the uneven block distortion that produces of clamping force size, therefore require the clamping force of some to require evenly, otherwise after special-shaped oil cylinder machines, while unclamping pressing plate, abnormity oil cylinder can produce distortion.In addition,, by expansion screw, the top, two ends of special-shaped oil cylinder 225mm * 70H7 groove is upper, prevent that special-shaped oil cylinder produces vibration in process.Said method must a centering of processing once, complex operation, working (machining) efficiency are low, quality is unstable, often occurs discard, has strengthened special-shaped oil cylinder manufacturing cost.Because special-shaped oil cylinder is connected with the feed mechanism of tooth milling machine, complete the comprehensive process requirement of the mill teeth degree of depth and tooth phase precision, so the machining accuracy that guarantees special-shaped oil cylinder part is by for important.
Utility model content
The utility model for solve the technical problem existing in known technology provide a kind of simple in structure, reasonable in design, easy and simple to handle, can increase substantially special-shaped oil cylinder machining accuracy and be suitable for producing in batch for processing the boring fixture of tooth milling machine abnormity oil cylinder.
The technical scheme that the utility model is taked for the technical problem existing in solution known technology is:
For processing the boring fixture of tooth milling machine abnormity oil cylinder, comprise clamp base, described clamp base center is provided with for controlling special-shaped oil cylinder bottom surface C to two groups of mutual corresponding gripper shoes 10 of special-shaped oil cylinder centre distance;
Locating rack 16 between every group of gripper shoe of clamp base is equipped with the locating support plate 31 matching with special-shaped oil cylinder bottom rectangle groove on locating rack;
Be arranged on the first screw rack 13 of corresponding special-shaped oil cylinder cuboid one side, clamp base upper surface and the second screw rack 32 of another side, the first adjustment screw 14 that prevents cuboid twisting is housed respectively on described the first screw rack and the second screw rack.
Lining is arranged on to both sides, clamp base upper surface for supporting the boring bar support 20 of boring bar;
Also comprise alignment pin 27, for compressing the pressing plate 11 of special-shaped oil cylinder cylindrical portion and for compressing the cuboid upper surface pressing plate 4 of special-shaped oil cylinder cuboid.
The utility model can also adopt following technical scheme:
Described pressing plate 11 supports by pillar 12, and fixes with clamp base by the second stud 26.
Shock-absorbing spring 17 for locking pressure plate 11 fastening use is housed on described the second stud.
On described boring bar support 20, by drill bushing screw 23, be fixed with end cover 21, in cover of the described end, bushing 22 be housed.
Advantage and the good effect that the utlity model has are: because the utility model adopts technique scheme, by the hole of the processing profiled oil cylinder Φ of this boring fixture 82H7, Φ 70H7, without extra load, save the energy; By stud, spring, shock-absorbing spring, regulate support pin, adjustment screw, pressing plate and thick hexagonnut and screw rack, adjustment screw etc. can realize the compression of special-shaped oil cylinder on boring fixture and fixing; By alignment pin and support plate, guarantee relevant position and the geometric accuracy requirement of special-shaped oil cylinder.So not only can increase substantially machining accuracy and the production efficiency of special-shaped oil har opening, easy and simple to handle; And this boring fixture only need align once during a collection of subjob in processing, save man-hour, be particularly suitable for the production of special-shaped oil cylinder in batch.In addition, this boring fixture, when guaranteeing to compress, push up solid special-shaped oil cylinder, also can prevent that special-shaped oil cylinder from producing distortion in the processing in hole, guarantees the special-shaped oil cylinder geometric accuracy after processing.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model boring fixture;
Fig. 2 is the top view of Fig. 1;
Fig. 3 is the A-A cutaway view of Fig. 2;
Fig. 4 is the structural representation of special-shaped oil cylinder;
Fig. 5 is the top view of Fig. 4;
Fig. 6 is the B-B cutaway view of Fig. 5.
In figure: 1, clamp base; 2, hex nut; 3, regulate support pin; 4, cuboid upper surface pressing plate; 5, thick hexagonnut; 6, the first stud; 7, packing ring; 8, spring; 9, the first screw; 10, support plate; 11, pressing plate; 12, pillar; 13, the first screw rack; 14, the first adjustment screw; 15, soket head cap screw; 16, rectangular channel locating rack; 17, shock-absorbing spring; 18, the second adjustment screw; 19, the first trip bolt; 20, boring bar support; 21, end cover; 22, bushing; 23, drill bushing screw; 24, the first taper pin; 25, hanger; 26, the second stud; 27, alignment pin; 28, the second trip bolt; 29, the 3rd trip bolt; 30, the second taper pin; 31, locating support plate; 32, the second screw rack; 33, special-shaped oil cylinder; 34, cuboid; 34-1, rectangular channel.
The specific embodiment
For further understanding utility model content of the present utility model, Characteristic, hereby exemplify following examples, and coordinate accompanying drawing to be described in detail as follows:
It should be noted that, unless otherwise clearly defined and limited, term " first ", " second " etc. do not represent order installation, do not represent the importance of described element yet.
The example of described embodiment is shown in the drawings, and wherein same or similar label represents same or similar element or has the element of identical or similar functions from start to finish.
Refer to Fig. 1-Fig. 6, for processing the boring fixture of tooth milling machine abnormity oil cylinder, comprise clamp base 1, described clamp base center is provided with for controlling special-shaped oil cylinder bottom surface C to two groups of mutual corresponding gripper shoes 10 of special-shaped oil cylinder centre distance; In the present embodiment, two groups of mutual four blocks of corresponding support 10 plates, for supporting special-shaped oil cylinder bottom surface C, must guarantee C to Φ 82H7 hole, special-shaped oil cylinder bottom surface centre-to-centre spacing 74.5 ± 0.1mm size, and it are fastening with clamp base to pass through the first screw 9.
Locating rack 16 between every group of gripper shoe of clamp base, and fastening by the second trip bolt 28, the second taper pin 30.The locating support plate 31 matching with special-shaped oil cylinder bottom rectangle groove 34-1 is housed on locating rack, and described locating support plate is that its error is 0.01mm for guaranteeing the perpendicularity of rectangular channel 34-1 and special-shaped oil har opening.Described locating support plate adjusted size to 70 ± 0.008mm, parallel 0.005mm, (two support plates, 31 depth of parallelism 0.005mm that pack on rectangular channel locating support 16), fastening with the 3rd trip bolt 29 after adjusting.
Also comprise and be arranged on the first screw rack 13 of corresponding special-shaped oil cylinder cuboid 34 1 sides, clamp base upper surface and the second screw rack 32 of another side, the first adjustment screw 14 that prevents cuboid twisting is housed respectively on described the first screw rack and the second screw rack.
Lining is arranged on to both sides, clamp base upper surface for supporting the boring bar support 20 of boring bar, on described boring bar support 20, by drill bushing screw 23, is fixed with end cover 21, in cover of the described end, bushing 22 is housed.Described bushing 22 is splicing sleeves of boring bar for processing Φ 82H7 hole, embeds boring blade (process different holes and change different boring blades) in boring bar.
Also comprise by being arranged in clamp base for guaranteeing that cuboid bottom surface is to the alignment pin 27 of special-shaped oil cylinder centre-to-centre spacing size (63 ± 0.03mm), for compressing the pressing plate 11 of special-shaped oil cylinder cylindrical portion and for compressing the cuboid upper surface pressing plate 4 of special-shaped oil cylinder cuboid.Described cuboid upper surface pressing plate 4 supports by adjusting support pin 3, and locks by hex nut 2 and clamp base.Described pressing plate 11 supports by pillar 12, and fixes by the second stud 26 and clamp base, on described the second stud, be equipped with for locking pressure plate 11 fastening use shock-absorbing spring 17.For convenience of carrying and the installation of this boring fixture, in four jiaos of clamp base, be fixed with hanger 25.
Operation principle of the present utility model is:
Refer to Fig. 4-Fig. 6,
A, clamp base 1 is placed on boring table face, the datum level of centering clamp base right flank is in 0.02mm in the 450mm length upper deviation, then by pressing plate, clamp base is fixed tightly on boring table face.
B, in clamp base upper surface left side and right side, by the first trip bolt 19 and taper pin 24, boring bar support 20 is installed respectively, on described boring bar support 20, be equipped with for supporting the end cover (21) and the bushing (22) of boring bar and boring blade, this boring bar and boring blade are for processing profiled oil cylinder Φ 82H7, Φ 70H7 hole, and guarantee the geometric accuracy in hole, circularity 0.003mm, axiality 0.003mm, boring bar geometric tolerances allow 0.015 with interior (in 750mm length).
C, adjust the size of two groups of 4 gripper shoes 10 in clamp base, guarantee special-shaped oil cylinder bottom surface C to the size at special-shaped oil cylinder center within the scope of 74.5 ± 0.01mm, and by the good gripper shoe of the first screw 9 fixed adjustments.
4 positioning support faggings, 31 both sides sizes in D, adjustment clamp base on two locating racks 16 are within the scope of 70 ± 0.01mm, positioning support fagging and locating rack 16 is fixing, and fastening by the 3rd screw 29, the second trip bolt 28 and the second taper pin 30, guarantee to coordinate with the 70H7 rectangular channel of special-shaped oil cylinder location reliable.
E, adjustment alignment pin 27, to guarantee that special-shaped oil cylinder bottom face is to oil cylinder centre distance size 63.1 ± 0.03mm.
F, in clamp base 1, put into Φ 82H7 to be processed, the special-shaped oil cylinder 33 in Φ 70H7 hole, after each locating surface that makes to adjust is consistent with each basal plane of special-shaped oil cylinder, by the first adjustment screw 14 of the first screw rack 13, hold out against a side plane of special-shaped oil cylinder cuboid 34, by the first adjustment screw 14 of the second screw rack 32, hold out against again the opposite side plane of special-shaped oil cylinder cuboid, then by two cuboid upper surface pressing plates 4, thick hexagonnut 5, the first stud 6 and packing ring 7 compress special-shaped oil cylinder cuboid upper surface, by the spring 8 on the first stud 6, reach and clamp stressed even object, outside special-shaped oil cylinder, disk place is locked at pressing plate 11 outside special-shaped oil cylinder on disk by the second stud 26, the second adjustment screw 18, shock-absorbing spring 17 at the second stud 26 reaches the stressed even object of clamping.This boring fixture need only be aligned once at a collection of subjob of processing.
After G, above-mentioned steps complete, on bushing 22, pack boring bar into, floating blade is installed, start roughing---the fine finishining in special-shaped oil cylinder Φ 82H7, Φ 70H7 hole, will guarantee every geometric accuracy and size tolerance requirements simultaneously.
The processing in abnormity oil cylinder Φ 82H7 hole: be 225mmX70H7 groove both sides, bottom surface C on the cuboid being shaped by its fine finishining, be positioned respectively support plate 31(on locating rack 16 and guarantee that size 70 ± 0.008 coordinates with 70H7 groove) and four support plate 10(assurance bottom surface C apart from center 74.5 ± 0.1 sizes of machining hole) locate assurance, oil har opening, cylindrical center, guarantee by alignment pin 27 apart from cuboid lower surface (63.1 ± 0.03) size simultaneously.The processing geometric accuracy of abnormity oil har opening is that the boring bar of locating by two bushings 22 guarantees.The compression of described special-shaped oil cylinder 33 on boring fixture and be fixedly by the first stud 6, the second stud 26, spring 8, shock-absorbing spring 17, regulate support pin 3, the second adjustment screw 18, cuboid upper surface pressing plate 4, pressing plate 11 and thick hexagonnut 5 and the first screw rack 13, the second screw rack 32, the first adjustment screw 14 complete.This boring fixture, when guaranteeing to compress, push up solid special-shaped oil cylinder, also can prevent that special-shaped oil cylinder from producing distortion in the processing in hole, guarantees the special-shaped oil cylinder geometric accuracy dimensional accuracy after processing.
The embodiment describing in accompanying drawing is exemplary, only for explaining the utility model, and can not be interpreted as restriction of the present utility model.
Claims (4)
1. one kind for processing the boring fixture of tooth milling machine abnormity oil cylinder, it is characterized in that: comprise clamp base (1), described clamp base center is provided with for controlling special-shaped oil cylinder bottom surface C to two groups of mutual corresponding gripper shoes (10) of special-shaped oil cylinder centre bore distance;
Locating rack (16) between every group of gripper shoe of clamp base is equipped with the locating support plate (31) matching with special-shaped oil cylinder bottom rectangle groove on locating rack;
Be arranged on first screw rack (13) of corresponding special-shaped oil cylinder cuboid one side, clamp base upper surface and second screw rack (32) of another side, the first adjustment screw (14) that prevents cuboid twisting is housed respectively on described the first screw rack and the second screw rack;
Lining is arranged on to both sides, clamp base upper surface for supporting the boring bar support (20) of boring bar;
Also comprise alignment pin (27), for compressing the pressing plate (11) of special-shaped oil cylinder cylindrical portion and for compressing special-shaped oil cylinder cuboid upper surface pressing plate (4).
2. according to claim 1 for processing the boring fixture of tooth milling machine abnormity oil cylinder, it is characterized in that: described pressing plate (11) supports by pillar (12), and fix by the second stud (26) and clamp base.
3. according to claim 2 for processing the boring fixture of tooth milling machine abnormity oil cylinder, it is characterized in that: the shock-absorbing spring (17) for locking pressure plate (11) is housed on described the second stud.
4. according to claim 1 for processing the boring fixture of tooth milling machine abnormity oil cylinder, it is characterized in that: described boring bar support (20) is upper is fixed with end cover (21) by drill bushing screw (23), in cover of the described end, bushing (22) is housed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320638539.0U CN203495626U (en) | 2013-10-16 | 2013-10-16 | Boring clamp used for machining special-shaped oil cylinder of gear milling machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320638539.0U CN203495626U (en) | 2013-10-16 | 2013-10-16 | Boring clamp used for machining special-shaped oil cylinder of gear milling machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203495626U true CN203495626U (en) | 2014-03-26 |
Family
ID=50326633
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320638539.0U Withdrawn - After Issue CN203495626U (en) | 2013-10-16 | 2013-10-16 | Boring clamp used for machining special-shaped oil cylinder of gear milling machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203495626U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103522097A (en) * | 2013-10-16 | 2014-01-22 | 天津第一机床总厂 | Boring clamp for machining gear milling machine special-shaped oil cylinder and machining method |
-
2013
- 2013-10-16 CN CN201320638539.0U patent/CN203495626U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103522097A (en) * | 2013-10-16 | 2014-01-22 | 天津第一机床总厂 | Boring clamp for machining gear milling machine special-shaped oil cylinder and machining method |
| CN103522097B (en) * | 2013-10-16 | 2015-12-23 | 天津第一机床总厂 | For processing boring fixture and the processing method of tooth milling machine abnormity oil cylinder |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20140326 Effective date of abandoning: 20151223 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20140326 Effective date of abandoning: 20151223 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |