CN208592407U - A kind of precise mechanical expansion mandrel - Google Patents
A kind of precise mechanical expansion mandrel Download PDFInfo
- Publication number
- CN208592407U CN208592407U CN201821242960.9U CN201821242960U CN208592407U CN 208592407 U CN208592407 U CN 208592407U CN 201821242960 U CN201821242960 U CN 201821242960U CN 208592407 U CN208592407 U CN 208592407U
- Authority
- CN
- China
- Prior art keywords
- mandrel
- hole
- mounting seat
- seat body
- threaded rod
- 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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- Heating, Cooling, Or Curing Plastics Or The Like In General (AREA)
Abstract
The utility model discloses a kind of precise mechanical expansion mandrel, including installation base device, mandrel device is installed in the installation base device；The installation base device includes mounting seat body, first through hole, threaded rod, pressing plate, limit hole, the second through-hole, guide holder, pilot hole, guide rod, spring, latch and gear, sliding sleeve is connected to threaded rod in the mounting seat body, the left end of the threaded rod is fixedly connected with pressing plate, the right end of the mounting seat body is fixedly connected with guide holder, sliding sleeve is connected to guide rod in the guide holder, spring is socketed on the outside of the guide rod, the lower end of the guide rod is fixedly connected with latch；The mandrel device includes branch fastener, mandrel, retention bead and removes gap set.The precise mechanical expansion mandrel can not only eliminate gap, and mandrel installation is stablized, and mandrel installation will not be caused to loosen continuous vibration occurs for equipment, stable structure is reliable.
Description
Technical field
The utility model relates to expanding arbor technical field, specially a kind of precise mechanical expansion mandrel.
Background technique
In the process of component of machine, the positioning accuracy of mechanical part has larger impact to its machining accuracy.?
Workpiece is positioned frequently with mandrel in the equipment such as precision machine tool.
Currently used mandrel is difficult to solve the clearance issues of mounting base inner hole in mandrel, and the installation of mandrel uses spiral shell
Long-term vibration can occur in operation for mother's installation, equipment, be easy to cause nut loosening and mandrel installation is caused to be not sufficiently stable.
Utility model content
The purpose of this utility model is to provide a kind of precise mechanical expansion mandrels, to solve to propose in above-mentioned background technique
The problem of.
For the attainment of one's purpose, technical solution provided by the utility model are as follows:
The utility model relates to a kind of precise mechanical expansion mandrel, including installation base device, in the installation base device
Mandrel device is installed；
The installation base device includes mounting seat body, first through hole, threaded rod, pressing plate, limit hole, the second through-hole, leads
To seat, pilot hole, guide rod, spring, latch and gear, sliding sleeve is connected to threaded rod, the threaded rod in the mounting seat body
Left end be fixedly connected with pressing plate, the right end of the mounting seat body is fixedly connected with guide holder, sliding sleeve in the guide holder
It is connected to guide rod, spring is socketed on the outside of the guide rod, the lower end of the guide rod is fixedly connected with latch；
The mandrel device includes branch fastener, mandrel, retention bead and removes gap set, and the left end of the branch fastener is fixedly connected
There is mandrel, the left end of the branch fastener is fixedly connected with retention bead, and the outside sliding sleeve of the branch fastener is connected to except gap set, institute
It states except gap set is slidably socketed with mounting seat body.
Preferably, the mounting seat body is provided with first through hole, and the first through hole is slidably socketed with threaded rod.
Preferably, the pressing plate is provided with limit hole, and the limit hole is slidably socketed with retention bead.
Preferably, the pressing plate is provided with the second through-hole, and second through-hole is slidably socketed with mandrel.
Preferably, the guide holder is provided with pilot hole, and the pilot hole is slidably socketed with guide rod.
Preferably, the threaded rod has been connected through a screw thread gear, and the gear is engaged with latch.
Using technical solution provided by the utility model, compared with prior art, have the following beneficial effects:
The precise mechanical expansion mandrel can not only eliminate gap, and mandrel installation is stablized, even if equipment occurs to continue
Vibration will not cause mandrel installation to loosen, and stable structure is reliable.
Detailed description of the invention
Fig. 1 is the overall structure diagram of the utility model；
Fig. 2 is enlarged drawing at the A of the utility model；
Fig. 3 is enlarged drawing at the B of the utility model；
Fig. 4 is the branch fastener left view of the utility model.
In figure: 1 installation base device, 11 mounting seat bodies, 12 first through hole, 13 threaded rods, 14 pressing plates, 15 limit holes, 16
Second through-hole, 17 guide holders, 18 pilot holes, 19 guide rods, 110 springs, 111 latches, 112 gears, 2 mandrel devices, 21 fasteners,
Gap set is removed in 22 mandrels, 23 retention beads, 24.
Specific embodiment
For the content for further appreciating that the utility model, the utility model is described in detail in conjunction with the embodiments, it is real below
Example is applied for illustrating the utility model, but is not intended to limit the scope of the present invention.
Please refer to Fig. 1-4, it is a kind of precise mechanical expansion mandrel, including installation that the utility model, which provides a kind of technical solution,
Base device 1 is installed in base device 1 and is equipped with mandrel device 2.
Installing base device 1 includes mounting seat body 11, first through hole 12, threaded rod 13, pressing plate 14, limit hole 15, second
Through-hole 16, guide holder 17, pilot hole 18, guide rod 19, spring 110, latch 111 and gear 112, sliding sleeve in mounting seat body 11
It is connected to threaded rod 13, mounting seat body 11 is provided with first through hole 12, and first through hole 12 is slidably socketed with threaded rod 13, and first is logical
Hole 12 is that threaded rod 13 provides installation space, and the left end of threaded rod 13 is fixedly connected with pressing plate 14, and pressing plate 14 can compress branch
Fastener 21, pressing plate 14 are provided with limit hole 15, and limit hole 15 is slidably socketed with retention bead 23, pass through limit hole 15 and limit convex
The cooperation for playing 23, can prevent branch fastener 21 from rotating, and pressing plate 14 is provided with the second through-hole 16, the second through-hole 16 and mandrel 22
It is slidably socketed, the second through-hole 16 is that mandrel 22 provides installation space, and the right end of mounting seat body 11 is fixedly connected with guide holder
17, sliding sleeve is connected to guide rod 19 in guide holder 17, and guide holder 17 is provided with pilot hole 18, pilot hole 18 and 19 sliding sleeve of guide rod
It connects, pilot hole 18 is oriented to guide rod 19, guide rod 19 is slided along pilot hole 18, the outside of guide rod 19 is socketed with bullet
Spring 110 is compressive state, has compression elasticity effect, and the lower end of guide rod 19 is fixedly connected with latch 111, and threaded rod 13 passes through
It is threaded with gear 112, gear 112 is engaged with latch 111, and under the compression elasticity effect of spring 110, latch 111 can be with
Clamping gear 112, so that gear 112 can not rotate when being shaken.
Mandrel device 2 includes branch fastener 21, mandrel 22, retention bead 23 and removes gap set 24, and the left end of branch fastener 21 is fixed
It is connected with mandrel 22, the left end of branch fastener 21 is fixedly connected with retention bead 23, and the outside sliding sleeve of branch fastener 21 is connected to except gap
Set 24, except gap set 24 is made of rubber, has elasticity except gap set 24 is slidably socketed with mounting seat body 11, can when being squeezed
To eliminate the gap in mounting base 21.
When the utility model is specifically implemented: first the outside socket of branch fastener 21 is removed when needing to install mandrel device 2
Then gap set 24 will be socketed, then by the second through-hole of pressing plate 14 with mounting seat body 11 with the branch fastener 21 except gap set 24
16 are slidably socketed with mandrel 22, so that 12 sliding sleeve of first through hole of the threaded rod 13 of 14 right end of pressing plate and mounting seat body 11
It connects, and the limit hole 15 of pressing plate 14 and the retention bead 23 of 21 left end of branch fastener is slidably socketed, then up moving leader
19, guide rod 19 is moved up along 18 upward sliding of pilot hole, latch 111, and spring 110 compresses, and is then passed through on threaded rod 13
Screw thread installs gear 112, and gear 112 and threaded rod 13 occur threading action, generate relative displacement, and threaded rod 13 moves right,
Pressing plate 14 is pulled to move right, pressing plate 14 squeezes branch fastener 21, and branch fastener 21 is squeezed except gap set 24, except gap set 24 expands i.e.
Installation gap can be eliminated, guide rod 19 is then discharged, under the compression elasticity effect of spring 110, latch 111 resets clamping gear
112, gear 112 realizes positioning, the installation of mandrel 22 will not be caused to loosen continuous vibration occurs for equipment, stable structure
Reliably.
The utility model is described in detail in conjunction with the embodiments above, but the content be only the utility model compared with
Good embodiment, should not be considered as limiting the scope of the present invention.It is made according to the scope of application of this utility model
All the changes and improvements etc. should all be still fallen within the patent covering scope of the utility model.
Claims (6)
1. a kind of precise mechanical expansion mandrel, including installation base device (1), it is characterised in that: peace in the installation base device (1)
Equipped with mandrel device (2)；
The installation base device (1) includes mounting seat body (11), first through hole (12), threaded rod (13), pressing plate (14), limit
Hole (15), the second through-hole (16), guide holder (17), pilot hole (18), guide rod (19), spring (110), latch (111) and gear
(112), the interior sliding sleeve of the mounting seat body (11) is connected to threaded rod (13), and the left end of the threaded rod (13) is fixedly connected with
The right end of pressing plate (14), the mounting seat body (11) is fixedly connected with guide holder (17), the interior sliding sleeve of the guide holder (17)
It is connected to guide rod (19), is socketed with spring (110) on the outside of the guide rod (19), the lower end of the guide rod (19) is fixedly connected with card
Tooth (111)；
The mandrel device (2) includes branch fastener (21), mandrel (22), retention bead (23) and removes gap set (24), the support
The left end of head (21) is fixedly connected with mandrel (22), and the left end of the branch fastener (21) is fixedly connected with retention bead (23), institute
The outside sliding sleeve for stating branch fastener (21) is connected to except gap set (24), described to remove gap set (24) and mounting seat body (11) sliding sleeve
It connects.
2. a kind of precise mechanical expansion mandrel according to claim 1, it is characterised in that: the mounting seat body (11) sets
It is equipped with first through hole (12), the first through hole (12) is slidably socketed with threaded rod (13).
3. a kind of precise mechanical expansion mandrel according to claim 1, it is characterised in that: pressing plate (14) setting is limited
Position hole (15), the limit hole (15) are slidably socketed with retention bead (23).
4. a kind of precise mechanical expansion mandrel according to claim 1, it is characterised in that: the pressing plate (14) is provided with
Two through-holes (16), second through-hole (16) are slidably socketed with mandrel (22).
5. a kind of precise mechanical expansion mandrel according to claim 1, it is characterised in that: the guide holder (17) is provided with
Pilot hole (18), the pilot hole (18) are slidably socketed with guide rod (19).
6. a kind of precise mechanical expansion mandrel according to claim 1, it is characterised in that: the threaded rod (13) passes through spiral shell
Line is connected with gear (112), and the gear (112) is engaged with latch (111).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821242960.9U CN208592407U (en) | 2018-08-03 | 2018-08-03 | A kind of precise mechanical expansion mandrel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821242960.9U CN208592407U (en) | 2018-08-03 | 2018-08-03 | A kind of precise mechanical expansion mandrel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208592407U true CN208592407U (en) | 2019-03-12 |
Family
ID=65604256
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821242960.9U Expired - Fee Related CN208592407U (en) | 2018-08-03 | 2018-08-03 | A kind of precise mechanical expansion mandrel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208592407U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111673106A (en) * | 2020-07-15 | 2020-09-18 | 重庆新登奇机电技术有限公司 | Positioning tool for motor cutting |
-
2018
- 2018-08-03 CN CN201821242960.9U patent/CN208592407U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111673106A (en) * | 2020-07-15 | 2020-09-18 | 重庆新登奇机电技术有限公司 | Positioning tool for motor cutting |
| CN111673106B (en) * | 2020-07-15 | 2024-05-03 | 重庆新登奇机电技术有限公司 | Positioning tool for motor cutting |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190312 Termination date: 20190803 |