CN208866524U - A kind of fixture for the processing of large aperture Gear Production - Google Patents
A kind of fixture for the processing of large aperture Gear Production Download PDFInfo
- Publication number
- CN208866524U CN208866524U CN201821221883.9U CN201821221883U CN208866524U CN 208866524 U CN208866524 U CN 208866524U CN 201821221883 U CN201821221883 U CN 201821221883U CN 208866524 U CN208866524 U CN 208866524U
- Authority
- CN
- China
- Prior art keywords
- drilling
- chamfering
- workpiece
- gland
- mandrel
- 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
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Abstract
The utility model discloses a kind of fixtures for the processing of large aperture Gear Production, and the fixture designs for double-station, including pedestal, bore portion and chamfered part；The bore portion includes drilling mandrel, boring positioning seat, drilling gland, the first ball retainer, wherein, the mandrel that drills is felt relieved for drilling station, boring positioning seat is positioned for drilling station workpiece, the gland that drills is used for drilling station workpiece pressing, for first ball retainer for fixing several steel balls, several steel balls are self-centering for workpiece；The chamfered part includes chamfering mandrel, chamfering gland, the second ball retainer, bolt, wherein, chamfering mandrel is felt relieved for chamfering station, chamfering gland is used for chamfering station workpiece pressing, second ball retainer is for fixing several steel balls, several steel balls are self-centering for workpiece, and bolt is used to carry out workpiece circumferentially positioned.It is convenient for mounting and clamping in drilling that the utility model is able to satisfy large aperture gear, while guaranteeing the position precision of drilling.
Description
Technical field
The utility model belongs to engineering goods machining Fixture Design field, is related to automobile gearbox gear drilling, chamfering
Processing is specifically related to a kind of fixture for the processing of large aperture Gear Production.
Background technique
With the promotion that Product Precision requires, the requirement of gearbox disk tooth drilling is higher and higher, and position degree is promoted to 0.15-
0.20mm.To improve the position precision of drilling, the boring grab for needing the positioning accuracy of design specialized high should be convenient for dress
Folder and the stabilization that guarantee clamping precision, also to guarantee boring procedure.
However, traditional optical axis formula fixture, for deep bid tooth, one side fixture is whole more heavy；On the other hand,
The control in clamping gap is more difficult, and clamping gap is excessive to will affect bore position precision, and clamping gap is too small to will lead to clamping
It is inconvenient.Therefore, need to design a kind of fixture of convenient for mounting and clamping and certifiable bore position precision.
Utility model content
The purpose of this utility model is to provide a kind of fixtures for the processing of large aperture Gear Production, to meet large aperture
Gear is convenient for mounting and clamping in drilling, while guaranteeing the position precision of drilling.
For this purpose, the utility model uses following technical scheme:
A kind of fixture for the processing of large aperture Gear Production, the fixture designs for double-station, including pedestal, bore portion
Point and chamfered part；
The bore portion includes drilling mandrel, boring positioning seat, drilling gland and the first ball retainer, wherein
The drilling mandrel is connected on pedestal, feels relieved for drilling station, boring positioning seating on pedestal, be used for drilling station work
Part positioning, drilling gland are used for drilling station workpiece pressing, if the first ball retainer is placed on boring positioning seat, for fixed
Dry steel ball, several steel balls are self-centering for workpiece；
The chamfered part includes chamfering mandrel, chamfering gland, the second ball retainer and bolt, wherein it is described fall
Angle mandrel is connected on pedestal, feels relieved for chamfering station, and chamfering gland is used for chamfering station workpiece pressing, second steel ball
Holding is placed on chamfering mandrel, for fixing several steel balls, and several steel balls are self-centering for workpiece, and the bolt is used for
Workpiece is carried out circumferentially positioned.
Further, the chamfering gland, drilling gland are pawl dish structure.
Further, the pedestal is equipped with location hole for cooperating with the bolt, the bolt to workpiece into
Bolt passes through workpiece and is inserted into the positioning hole when row is circumferentially positioned, and the positioning hole is equipped with bushing.
Further, the drilling gland, be equipped with clamp nut on chamfering gland, the clamp nut by with drilling
The connection of mandrel, chamfering mandrel cooperates so that drilling gland, chamfering gland workpiece pressing.
Further, it is equipped with pressing plate between drilling gland, the clamp nut of chamfering gland corresponding thereto, it is described
The clamping slot convenient for clamping is offered on pressing plate.
Further, the boring positioning seat is equipped with multiple receiving holes, and drill bit passes through workpiece and is in institute when Workpiece boring
It states in receiving hole, the setting position of multiple receiving holes is corresponded in the hole location setting hole to be drilled on workpiece.
Further, first ball retainer, several steel balls on the second ball retainer it is circumferentially spaced
Even arrangement, and the first ball retainer is fixed on, on the second ball retainer by riveting mode.
Further, one end of the proximate base of the drilling mandrel, chamfering mandrel is provided with locking nut, the lock
Tight nut also passes through holding screw and is fixedly connected with pedestal.
The utility model has following technical effect that
(1) fixture and inner hole of workpiece are transition fit, not only ensure that positioning accuracy but also have been convenient for clamping；
(2) fixture uses steel ball positioning, for point contact, to cause the workpiece of very thin thickness that can also apply with inner hole of workpiece；
(3) the utility model can once realize that drilling and chamfering is processed using drilling, the design of chamfering one double-station, right
In the workpiece for needing front and back sides to process, a station of sleeve clamp two improves the utilization rate of fixture；
(4) the utility model is by, with the positioning for realizing workpiece, having to steel ball adjective-centre structure and promoting fortune well
With value.
Other than objects, features and advantages described above, there are also other purposes, feature and excellent for the utility model
Point.Below with reference to figure, the utility model is described in further detail.
Detailed description of the invention
The accompanying drawings constituting a part of this application is used to provide a further understanding of the present invention, this is practical
Novel illustrative embodiments and their description are not constituteed improper limits to the present invention for explaining the utility model.
In the accompanying drawings:
Fig. 1 is the structural representation according to the fixture for the processing of large aperture Gear Production of an embodiment of the present invention
Figure；
Fig. 2 is the knot of the pedestal in the fixture for the processing of large aperture Gear Production according to an embodiment of the present invention
Structure schematic diagram；
Fig. 3 is the cross-sectional view of the line A-A along Fig. 2；
Fig. 4 is the knot of the gland in the fixture for the processing of large aperture Gear Production according to an embodiment of the present invention
Structure schematic diagram；
Fig. 5 is the cross-sectional view of the line B-B along Fig. 4；
Fig. 6 is the positioning seat in the fixture for the processing of large aperture Gear Production according to an embodiment of the present invention
Structural schematic diagram；
Fig. 7 is the cross-sectional view of the line C-C along Fig. 6；
Fig. 8 a is the structural schematic diagram of large aperture gear workpieces；And
Fig. 8 b shows the lateral structure of Fig. 8 a large pore gear workpieces.
Description of symbols
1, pedestal；2, drill mandrel；
3, boring positioning seat；4, locking nut；
7, chamfering mandrel；8, bushing；
9, pull ring；10, bolt；
11, pressing plate；12, clamp nut；
13, gland；13a, chamfering gland；
13b, drilling gland；14, steel ball；
15a, the first ball retainer；15b, the second ball retainer；
31, receiving hole.
Specific embodiment
It should be noted that in the absence of conflict, the features in the embodiments and the embodiments of the present application can phase
Mutually combination.The utility model will be described in detail below with reference to the accompanying drawings and embodiments.
Fig. 1~7 show some embodiments according to the present utility model.
As shown in Figure 1, a kind of fixture for the processing of large aperture Gear Production, the fixture design for double-station, including
Pedestal 1, bore portion and chamfered part, the pedestal 1 are played a supporting role and are connect with lathe.
In one embodiment, as shown in Figure 1, the bore portion includes drilling mandrel 2, boring positioning seat 3, drilling gland
13b and the first ball retainer 15a, wherein the drilling mandrel 2 is connected on pedestal 1, feels relieved for drilling station, bores
Hole positioning seat 3 is placed on pedestal 1, positions for drilling station workpiece, and drilling gland 13b is used for drilling station workpiece pressing, the
One ball retainer 15a is placed on boring positioning seat 3, for fixing several steel balls 14, and several steel balls 14 are used for workpiece certainly
Centering.
In one embodiment, as shown in Figure 1, the chamfered part includes chamfering mandrel 7, chamfering gland 13a, the second steel ball
Retainer 15b and bolt 10, wherein the chamfering mandrel 7 is connected on pedestal 1, feels relieved for chamfering station, chamfering gland
13a is used for chamfering station workpiece pressing, and the second ball retainer 15b is placed on chamfering mandrel 7, for fixing several steel balls
14, several steel balls 14 are self-centering for workpiece, and the bolt 10 is used to carry out workpiece circumferentially positioned.
Disk-shaped part of the utility model for aperture greater than 100mm is more suitable for, and clamping is more convenient.
In the present invention, chamfering gland 13a, drilling gland 13b are referred to as gland 13.
In one embodiment, as shown in Fig. 1 and Fig. 4,5, the chamfering gland 13a, drilling gland 13b are pawl disk knot
Structure.Design in this way not only ensure that gland 13 (improved to the gland areas of gear workpieces and compresses effect), but also can be avoided
The drilling of gear workpieces, chamfering are interfered.
In one embodiment, as shown in Figures 1 to 3, the pedestal 1 is equipped with the positioning for cooperating with the bolt 10
Hole, the bolt 10 bolt 10 when carrying out circumferentially positioned to workpiece pass through the molding drilling on workpiece and are inserted into the location hole
It is interior；The positioning hole be equipped with bushing 8, with prevent bolt 10 be used for a long time after the location hole is caused to wear, to influence
Positioning accuracy.
In one embodiment, as shown in Figure 1, being equipped with clamp nut 12 on the drilling gland 13b, chamfering gland 13a,
The clamp nut 12 is cooperated by the threaded connection with drilling mandrel 2, chamfering mandrel 7 so that drilling gland 13b, chamfering gland
13a workpiece pressing.
In one embodiment, as shown in Figure 1, the drilling gland 13b, the compression spiral shell of chamfering gland 13a corresponding thereto
It is equipped with pressing plate 11 between mother 12, the pressing plate 11 can be good at playing the role of support compression nut 12, help to improve
Effect is compressed, the clamping slot convenient for clamping is offered on the pressing plate 11, the pressing plate 11 is opening-like.
In one embodiment, as shown in Fig. 1 and Fig. 6,7, the boring positioning seat 3 is equipped with multiple receiving holes 31, workpiece
Drill bit passes through workpiece and is in the receiving hole 31 when drilling, and the setting position of multiple receiving holes 31 is corresponded in workpiece
On hole location setting hole to be drilled.Design in this way is so that boring positioning seat 3 can also play support well to workpiece and make
With it is possible to prevente effectively from the hole location to be drilled of workpiece deforms, while being also avoided that and being interfered to the drilling of workpiece.
In one embodiment, several steel balls 14 on the first ball retainer 15a, the second ball retainer 15b are equal
Circumferentially spaced uniform arrangement, and the first ball retainer 15a, the second ball retainer are fixed on by riveting mode
On 15b.In the present embodiment, equal riveting has 12 steel balls 14 on the first ball retainer 15a, the second ball retainer 15b.
In one embodiment, as shown in Figure 1, one end of the proximate base 1 of the drill mandrel 2, chamfering mandrel 7 is respectively provided with
There is locking nut 4, the locking nut 4 is also fixedly connected by holding screw with pedestal 1.
In one embodiment, the drilling mandrel 2 is segmentation structure, is divided into three sections, adjacent two sections pass through interior hexagonal
Fillister head screw is fastenedly connected, and first segment is used to cooperate with pedestal 1, and second segment is used for and boring positioning seat 3 and the first steel ball
Retainer 15a cooperation, third section is for installing drilling gland 13b, pressing plate 11 and clamp nut 12.
In one embodiment, the chamfering mandrel 7 is segmentation structure, is divided into three sections, adjacent two sections pass through interior hexagonal
Fillister head screw is fastenedly connected, and first segment is used to cooperate with pedestal 1, and second segment is used to cooperate with the second ball retainer 15b, the
Three sections for installing chamfering gland 13a, pressing plate 11 and clamp nut 12.
In one embodiment, as shown in Figure 1, being provided with pull ring 9 on the pedestal 1, in order to carry transferring clamp.
The working principle of the utility model is as follows:
Using steel ball centering principle, on the first ball retainer 15a after a certain number of steel balls 14 of riveting, by the first steel
Ball retainer 15a is placed on boring positioning seat 3, calculates location dimension by design, keeps fixture and inner hole of workpiece transition fit fixed
Position is compressed by drilling gland 13b, pressing plate 11 and clamp nut 12, realizes the clamping of workpiece.
Realize clamping workpiece transition fit calculating include,
Basic size calculates: the steel ball size of+2 times of outer diameter of boring positioning seat positioning=inner hole of workpiece size
The boring positioning seat positioning outer diameter, which refers to, cooperates section with the first ball retainer 15a on boring positioning seat 3
Outer diameter
Boring positioning seat positioning tolerance: it according to inner hole of workpiece tolerance, is determined according to transition fit H6/js5
Steel ball size tolerance: ± 0.003mm
The fixture and inner hole of workpiece of the utility model are transition fit, not only ensure that positioning accuracy but also have been convenient for clamping；In addition,
Fixture uses steel ball positioning, for point contact, to cause the workpiece of very thin thickness that can also apply with inner hole of workpiece.
There are two station, drilling station and anti-body chamfering stations altogether for the utility model, pass through chamfering mandrel 7, the second steel ball
The design of retainer 15b, several steel balls 14 and bolt 10 realize that the position of anti-body chamfering determines, every time clamping two when processing
A workpiece, one chamfering of a drilling.
The utility model can once realize that drilling and chamfering is processed, for needing using drilling, the design of chamfering one double-station
The workpiece for wanting front and back sides to process, a station of sleeve clamp two improve the utilization rate of fixture；In addition, chamfering station bolt-type knot
Structure enables chamfering station to be accurately positioned.
The workflow of the utility model is as follows:
It 3. places hole workpiece-to be drilled 1. unscrewing drilling station clamp nut 12-and 2. removing drilling gland 13b-and 4. unscrews
Chamfering station clamp nut 12-5. removing chamfering gland 13a-6. places the workpiece-to have drilled to chamfering 7. by two stations
Gland 13 press workpiece -8. to tighten the clamp nuts 12 of two stations, clamping complete -9. starts processing program, two
Station processes together -10. unscrew clamp nut 12 after process finishing, workpiece is taken out after removing gland 13.
The above descriptions are merely preferred embodiments of the present invention, is not intended to limit the utility model, for this
For the technical staff in field, various modifications and changes may be made to the present invention.It is all in the spirit and principles of the utility model
Within, any modification, equivalent replacement, improvement and so on should be included within the scope of protection of this utility model.
Claims (8)
1. a kind of fixture for the processing of large aperture Gear Production, which is characterized in that the fixture designs for double-station, including bottom
Seat (1), bore portion and chamfered part；
The bore portion includes drilling mandrel (2), boring positioning seat (3), drilling gland (13b) and the first ball retainer
(15a), wherein the drilling mandrel (2) is connected on pedestal (1), feels relieved for drilling station, and boring positioning seat (3) is placed in
It is positioned on pedestal (1), for drilling station workpiece, drilling gland (13b) is used for drilling station workpiece pressing, and the first steel ball is kept
Frame (15a) is placed on boring positioning seat (3), for fixing several steel balls, and several steel balls are self-centering for workpiece；
The chamfered part includes chamfering mandrel (7), chamfering gland (13a), the second ball retainer (15b) and bolt
(10), wherein the chamfering mandrel (7) is connected on pedestal (1), feels relieved for chamfering station, and chamfering gland (13a) is for falling
Angle station workpiece pressing, second ball retainer (15b) is placed on chamfering mandrel (7), for fixing several steel balls, described
Several steel balls are self-centering for workpiece, and the bolt (10) is used to carry out workpiece circumferentially positioned.
2. the fixture according to claim 1 for the processing of large aperture Gear Production, which is characterized in that the chamfering gland
(13a), drilling gland (13b) are pawl dish structure.
3. the fixture according to claim 1 for the processing of large aperture Gear Production, which is characterized in that the pedestal (1)
It is equipped with the location hole for cooperating with the bolt (10), the bolt (10) bolt when carrying out circumferentially positioned to workpiece
(10) it passes through workpiece and is inserted into the positioning hole, the positioning hole is equipped with bushing (8).
4. the fixture according to claim 1 for the processing of large aperture Gear Production, which is characterized in that the drilling gland
Be equipped with clamp nut (12) on (13b), chamfering gland (13a), the clamp nut (12) by with drilling mandrel (2), fall
The connection of angle mandrel (7) cooperates so that drilling gland (13b), chamfering gland (13a) workpiece pressing.
5. the fixture according to claim 4 for the processing of large aperture Gear Production, which is characterized in that the drilling gland
It is equipped with pressing plate (11) between the clamp nut (12) of (13b), chamfering gland (13a) corresponding thereto, on the pressing plate (11)
Offer the clamping slot convenient for clamping.
6. the fixture according to claim 1 for the processing of large aperture Gear Production, which is characterized in that the boring positioning
Seat (3) is equipped with multiple receiving holes (31), and drill bit passes through workpiece and be in the receiving hole (31) when Workpiece boring, it is multiple described in
The setting position of receiving hole (31) is corresponded in the hole location setting hole to be drilled on workpiece.
7. the fixture according to claim 1 for the processing of large aperture Gear Production, which is characterized in that first steel ball
The circumferentially spaced uniform arrangement of several steel balls on retainer (15a), the second ball retainer (15b), and pass through riveting
Pressure mode is fixed on the first ball retainer (15a), on the second ball retainer (15b).
8. the fixture according to claim 1 for the processing of large aperture Gear Production, which is characterized in that the drilling mandrel
(2), one end of the proximate base (1) of chamfering mandrel (7) is provided with locking nut (4), and the locking nut (4) is also by tight
Determine screw to be fixedly connected with pedestal (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821221883.9U CN208866524U (en) | 2018-07-31 | 2018-07-31 | A kind of fixture for the processing of large aperture Gear Production |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821221883.9U CN208866524U (en) | 2018-07-31 | 2018-07-31 | A kind of fixture for the processing of large aperture Gear Production |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208866524U true CN208866524U (en) | 2019-05-17 |
Family
ID=66463864
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821221883.9U Expired - Fee Related CN208866524U (en) | 2018-07-31 | 2018-07-31 | A kind of fixture for the processing of large aperture Gear Production |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208866524U (en) |
-
2018
- 2018-07-31 CN CN201821221883.9U patent/CN208866524U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190517 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |