CN208929740U - A kind of center positioning mechanism of wheel hub drilling tool - Google Patents
A kind of center positioning mechanism of wheel hub drilling tool Download PDFInfo
- Publication number
- CN208929740U CN208929740U CN201821460325.8U CN201821460325U CN208929740U CN 208929740 U CN208929740 U CN 208929740U CN 201821460325 U CN201821460325 U CN 201821460325U CN 208929740 U CN208929740 U CN 208929740U
- Authority
- CN
- China
- Prior art keywords
- cylinder set
- inner cylinder
- wheel hub
- outer sleeve
- intermediate cylinder
- 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
Links
Abstract
The utility model discloses a kind of center positioning mechanism of wheel hub drilling tool, including being mounted in the center mounting hole of working plate and bottom end stretches out in outside center mounting hole, the working plate is fixedly mounted on bottom plate by connector, including the cylindrical outer sleeve that the upper end being vertically arranged is open, intermediate cylinder set is installed in the outer sleeve, inner cylinder set is installed in the intermediate cylinder set, the upper end of the inner cylinder set is socketed the positioning cone that there is sleeve joint hole at connection center by being centrally formed convex pillar part, the positioning cone is socketed in after the inner cylinder is put on is fixed with the upper end that bolt is covered with inner cylinder, the upper surface of the inner cylinder set is higher than the upper surface of intermediate cylinder set, the upper surface of the intermediate cylinder set is higher than the upper surface of the outer sleeve, the maximum outside diameter of the positioning cone is less than the outer diameter of inner cylinder set.It is impaired that the utility model can prevent wheel hub from contacting with working plate.
Description
Technical field
The utility model relates to tooling technical fields, and in particular to a kind of center positioning mechanism of wheel hub drilling tool.
Background technique
Existing wheel hub drilling tool, common is a centralized positioning column to be installed, then in centralized positioning on working plate
Clamping component is provided on the outside of column, after stand-by centralized positioning column positions hub centre, with the clamping component in outside, by wheel hub
It is pressed in and is clamped on working plate, then drilled by the corresponding position on boring bar tool on wheel hub.In in current tooling
Heart positioning mechanism is too simple, will cause wheel hub and working plate contact-impact after leading to positioning, leads to the damage of wheel hub, and wheel hub
Center it is non-planar, directly contacted with working plate, cannot achieve effectively smoothly supporting wheel hub to drill, be not able to satisfy work
It is required that.
Utility model content
The purpose of this utility model is to be directed to technological deficiency existing in the prior art, and provide a kind of wheel hub drilling tool
Center positioning mechanism.
It is for technical solution used by realization the purpose of this utility model:
A kind of center positioning mechanism of wheel hub drilling tool, including being mounted in the center mounting hole of working plate and bottom end is stretched
Outside for center mounting hole, the working plate is fixedly mounted on bottom plate by connector, and the upper end including being vertically arranged is spacious
Mouthful cylindrical outer sleeve, intermediate cylinder set is installed in the outer sleeve, inner cylinder set is installed in the intermediate cylinder set, it is described
The upper end of inner cylinder set is socketed the positioning cone that there is sleeve joint hole at connection center, the positioning cone socket by being centrally formed convex pillar part
It is fixed after inner cylinder set is upper with the upper end that bolt is covered with inner cylinder, the upper surface of the inner cylinder set is higher than intermediate cylinder set
The upper surface of upper surface, the intermediate cylinder set is higher than the upper surface of the outer sleeve, and the maximum outside diameter of the positioning cone is small
In the outer diameter of inner cylinder set.
It is formed in cavity after the inner cylinder set and intermediate cylinder set connection and screw rod is installed, be socketed with bullet on the screw rod
One end of spring, the spring is in contact with the interior limit edge that inner cylinder covers and the bottom connection in the other end and intermediate cylinder set touches,
The bottom of the screw rod from through-hole and outer sleeve that the bottom that the intermediate cylinder covers is formed is formed by hole after stretching and pad
Circle is connected and fixed for silk plug.
Radially installed has mandril in the outer sleeve, to form limiting slot, the top on the outer wall of the intermediate cylinder set
The inner end of bar reaches in the limiting slot, and radially installed has jackscrew on the outer wall of the intermediate cylinder set, and the inner cylinder covers outer
The guide groove for cooperating the jackscrew is formed on wall.
There is overhanging connection edge in the outside portion of the outer sleeve, and the overhanging connection edge is fixed by bolt and working plate.
The center positioning mechanism of the utility model wheel hub drilling tool, can effectively realize hub support being located in work
Top a distance of plate keeps preset distance with working plate, prevents wheel hub from contacting with working plate impaired.
Detailed description of the invention
Fig. 1 is the schematic diagram of the center positioning mechanism of wheel hub drilling tool；
Fig. 2 is the partial enlargement diagram of Fig. 1.
Specific embodiment
The utility model is described in further detail below in conjunction with the drawings and specific embodiments.It should be appreciated that this place
The specific embodiment of description is only used to explain the utility model, is not used to limit the utility model.
Referring to shown in Fig. 1-2, a kind of center positioning mechanism of wheel hub drilling tool, the center including being mounted on working plate 2
In mounting hole (not shown) and bottom end stretches out in outside center mounting hole, the working plate by connector 3 (such as connecting screw and
It is mounted on the structure of the thread bush between working plate and bottom plate, the threaded connection column fixed on one end of thread bush and working plate connects
Connect, the other end is connect with the connecting screw for passing through bottom plate) and be fixedly mounted on bottom plate 1, the upper end including being vertically arranged is open
Cylindrical outer sleeve 24, intermediate cylinder set 6 is installed in the outer sleeve, inner cylinder set 5, institute are installed in the intermediate cylinder set
The upper end for stating inner cylinder set is socketed the locating cone that there is the section of sleeve joint hole 10 at connection center for trapezoidal shape by being centrally formed convex pillar part
Body 7, the positioning cone is socketed in after the inner cylinder is put on is fixed with the upper surface that bolt 8 is covered with inner cylinder, positions the upper of cone 7
Bolt mounting groove 9 it has been axially formed on end face, there is bolt hole in the bottom surface of bolt mounting groove to install bolt 8, the inner cylinder set
Upper surface is higher than the upper surface of intermediate cylinder set, and the upper surface of the intermediate cylinder set is higher than the upper surface of the outer sleeve, institute
The maximum outside diameter for the positioning cone stated is less than the outer diameter of inner cylinder set.
Wherein, screw rod 15 is installed in inner cylinder set and formation cavity after intermediate cylinder set connection, is covered on the screw rod
It is connected to spring 18, the limit that the top for the internal cavity 25 that one end of the spring and inner cylinder cover is formed is along being in contact and the other end
It is touched with the bottom connection in intermediate cylinder set, the screw rod is from the bottom that the intermediate cylinder the covers through-hole formed and the bottom of outer sleeve
Portion, which is formed by hole after stretching, is fastened on outer sleeve, and the chamber of the intermediate cylinder set for silk plug 17 with washer 16
Preset distance is kept in its natural state between the bottom of body 19 and the bottom of inner cylinder set.
Wherein, radially installed has mandril 14 in the outer sleeve, to form limiting slot on the outer wall of the intermediate cylinder set
22, the inner end of the mandril reaches in the limiting slot, and radially installed has jackscrew 13 on the outer wall of the intermediate cylinder set, described
The guide groove 12 for cooperating the jackscrew is formed on the outer wall of inner cylinder set.
In addition, in order to realize inner cylinder cover be pressurized in the intermediate cylinder covers after move, intermediate cylinder set and outer sleeve
Bottom is respectively formed axial venthole 23.
Wherein, the outside portion of the outer sleeve has overhanging connection along 21, and the overhanging connection edge passes through bolt 20 and work
It is fixed to make plate 1.
In use, the centre bore of the wheel hub of hole machined to be drilled is connected with center positioning mechanism, i.e., from center positioning machine
The upper end of structure is inserted in, and is covered in the positioning cone 7 of trapezoidal shape, and seat, on the upper surface at inner sleeve end, be able to achieve makes to take turns in this way
The bottom of the central module of hub and working plate are kept at a distance from predetermined altitude, without contacting, are prevented from contacting with working plate and are undermined
Unstable problem is positioned, under the gravity of wheel hub, inner cylinder set is moved down, and there are the components such as spring due to interior, is able to achieve pair
The resilient support of the wheel hub of hole machined to be drilled, outside are pressed from both sides on the circumferential surface of wheel hub by the clamping component being mounted on working plate
It is tight.
The center positioning mechanism of the utility model wheel hub drilling tool, can effectively realize hub support being located in work
Top a distance of plate keeps preset distance with working plate, prevents wheel hub from contacting with working plate impaired.
The above is only the preferred embodiment of the utility model, it is noted that for the general of the art
For logical technical staff, without departing from the principle of this utility model, several improvements and modifications can also be made, these change
It also should be regarded as the protection scope of the utility model into retouching.
Claims (4)
1. a kind of center positioning mechanism of wheel hub drilling tool, which is characterized in that be mounted in the center mounting hole of working plate and
Bottom end stretches out in outside center mounting hole, and the working plate is fixedly mounted on bottom plate by connector, including what is be vertically arranged
The open cylindrical outer sleeve in upper end is equipped with intermediate cylinder set in the outer sleeve, is equipped with inner cylinder in the intermediate cylinder set
The upper end of set, the inner cylinder set is socketed the positioning cone that there is sleeve joint hole at connection center, the positioning by being centrally formed convex pillar part
Cone is socketed in after the inner cylinder is put on and is fixed with the upper end that bolt is covered with inner cylinder, and the upper surface of the inner cylinder set is higher than in described
Between the upper surface that covers of cylinder, the upper surface of intermediate cylinder set is higher than the upper surface of the outer sleeve, and the positioning cone is most
Big outer diameter is less than the outer diameter of inner cylinder set.
2. the center positioning mechanism of wheel hub drilling tool as described in claim 1, which is characterized in that the inner cylinder set and centre
It is formed in cavity after cylinder set connection and screw rod is installed, spring, one end and the inner cylinder set of the spring are socketed on the screw rod
Interior limit is along being in contact and the bottom connection in the other end and intermediate cylinder set touches, and the screw rod is from the bottom that the intermediate cylinder covers
The through-hole of formation and the bottom of outer sleeve are formed by hole and are connected and fixed with washer for silk plug after stretching.
3. the center positioning mechanism of wheel hub drilling tool as described in claim 1, which is characterized in that radial in the outer sleeve
Mandril is installed, to form limiting slot on the outer wall of the intermediate cylinder set, the inner end of the mandril reaches in the limiting slot,
Radially installed has jackscrew on the outer wall of the intermediate cylinder set, forms the guiding for cooperating the jackscrew on the outer wall of the inner cylinder set
Slot.
4. the center positioning mechanism of wheel hub drilling tool as described in claim 1, which is characterized in that the outside of the outer sleeve
There is overhanging connection edge in portion, and the overhanging connection edge is fixed by bolt and working plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821460325.8U CN208929740U (en) | 2018-09-07 | 2018-09-07 | A kind of center positioning mechanism of wheel hub drilling tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821460325.8U CN208929740U (en) | 2018-09-07 | 2018-09-07 | A kind of center positioning mechanism of wheel hub drilling tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208929740U true CN208929740U (en) | 2019-06-04 |
Family
ID=66720119
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821460325.8U Expired - Fee Related CN208929740U (en) | 2018-09-07 | 2018-09-07 | A kind of center positioning mechanism of wheel hub drilling tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208929740U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114888601A (en) * | 2022-07-12 | 2022-08-12 | 潍坊思博精工科技有限公司 | Shell piece center positioning tool and zero point positioning device comprising same |
-
2018
- 2018-09-07 CN CN201821460325.8U patent/CN208929740U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114888601A (en) * | 2022-07-12 | 2022-08-12 | 潍坊思博精工科技有限公司 | Shell piece center positioning tool and zero point positioning device comprising same |
| CN114888601B (en) * | 2022-07-12 | 2023-05-05 | 潍坊思博精工科技有限公司 | Shell piece center positioning tool and zero point positioning device comprising same |
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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: 20190604 Termination date: 20200907 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |