CN205927171U - Tight dabber expands - Google Patents
Tight dabber expands Download PDFInfo
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- CN205927171U CN205927171U CN201620915100.1U CN201620915100U CN205927171U CN 205927171 U CN205927171 U CN 205927171U CN 201620915100 U CN201620915100 U CN 201620915100U CN 205927171 U CN205927171 U CN 205927171U
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- expander
- hole
- expands
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- tight
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Abstract
The utility model provides a tight dabber expands, belongs to the machinery processing technology field, tight dabber expands is including the inflation body, taper sleeve, locking screw, its characterized in that the inflation body sets up as that the center has an one -level step shaft of through -hole, and the less section centre gripping of inflation body diameter is on the lathe chuck, and great section joint of inflation body diameter has a work piece, the center that the terminal surface is close to to the great section of diameter is provided with the bell mouth, and the taper sleeve is equipped with to the bell mouth liam, and the center of taper sleeve is provided with the through -hole, installs locking screw in the through -hole, and it is internal at the inflation that the taper sleeve passes through locking screw locking, the effect of the convenient multifunctional horizontal discharger is beneficial in that, tight dabber expands makes the inflation cubical expansion come and presss from both sides the work piece of tight inflation body one end for the bell mouth motion of the inflation body through the manual locking screw that screws, taper sleeve, tight dabber expands easy operation safety, with low costs, fix a position and dismantle efficient, as can to satisfy part batch production.
Description
Technical field
This utility model is related to machining technology field, more particularly, to a kind of is applied to the axle class with endoporus and lid class
The expanding mandrel of part clamping and positioning.
Background technology
In machining profile hardly possible clamping, there is the high parts occasion of multistage endoporus and size, shaped position required precision
When, technical staff is usually to load onto ring flange and fixed central spindle on Digit Control Machine Tool, and fixed central spindle is cylindrical and parts inner hole,
Again the many places arranging on ring flange briquetting is compressed parts outer surface, realize the machining to parts, this positioning and clamping machine
The method shortcoming of part is that shaped position trueness error is larger after parts machining, and quality of production stability is low, after impact parts
Continuous assembly precision, reduces equipment overall performance；Parts endoporus and fixed central spindle cylindrical between be gap cooperation, parts accuracy of alignment
Not high；The method complex operation of this positioning and clamping parts, work consuming takes, and efficiency is low, and parts easily go out in process of production
The security incident now flying out because briquetting gets loose.Irregular contour part processing at this stage can only do special fixture, there is operation
The problem that difficulty is big, high cost, efficiency are low is it is impossible to adapt to the batch production demand of product.
At present, for solving above-mentioned technical problem, hydraulic drive type and mechanical transmission-type expanding mandrel are in the prior art
Common, such as the utility model patent of Patent No. CN201520987228.4, disclose a kind of hydraulic expansion mandrel, described mandrel
It is formed with the Step Shaft platform of positioning parts to be processed end face, two ends are formed with the stepped hole of assembling plunger and the liquid connecting described stepped hole
Pumping cavity, left pressure regulation plunger is sealed in the left end of hydraulic fluid chamber from the left-hand stepped hole of mandrel, and right pressure regulation plunger is from the right side of mandrel
It is sealed in the right-hand member of hydraulic fluid chamber to stepped hole, drive hydraulic pressure in plunger motion compression hydraulic oil pocket by tightening sealing screw
Oil, under oil pressure effect, on the cylindrical expanding mandrel that the pressure of generation swells at hydraulic fluid chamber thin-walled, clamping treats hydraulic fluid chamber
Processing part.Although described mandrel can stably Clamp blocks, the oil pressure in hydraulic fluid chamber is wayward, and if oil pocket
Poorly sealed can largely effect on clamping efficiency, there is potential safety hazard, high cost.In view of disadvantages mentioned above, Patent No.
The utility model patent of CN201520450154.0, discloses a kind of quick despatch expanding mandrel, and described mandrel includes coupling core
Axle, the expansion sleeve with taper hole and pressing plate, described pressing plate is against the end face of connection mandrel taper shaft part, the outer round surface of taper shaft part
It is socketed with expansion sleeve, promote pressing plate by screwing housing screw, pressing plate promotion expansion sleeve slides on taper surface and carrys out swelling workpiece,
Described device adopts manual manipulation mode swelling workpiece security performance high, achievable gapless clamping, but manual operation compression
Screw will pass motion by the larger pressing plate of volume the expansion sleeve of small volume, consume manpower and motion transmission efficiency is low；Tear open
When unloading described device, unscrew housing screw, between pressing plate, expansion sleeve, have certain residual stress, workpiece can not be made quickly to unload
Carry.
To sum up, clamp operation present in current expanding mandrel is complicated, efficiency is low, high cost, there is the skills such as potential safety hazard
Art problem is the problem awaiting solving further.
Content of the invention
In order to solve above-mentioned technical problem, this utility model provides a kind of expanding mandrel, efficiently solves swollen at present
The clamp operation that tight mandrel exists is complicated, efficiency is low, high cost, there is potential safety hazard, and described expanding mandrel includes fixed
Lock-screw outside the expander on machine chuck, the tapered sleeve of expander taper in the hole and tapered sleeve for the position, manually screws lock
Tight screw, tapered sleeve moves with respect to the bellmouth of expander, makes expander distending clamp the workpiece of expander one end, described swollen
Tight spindle operation is simple and safe, low cost, positioning and removal efficiency is high, highly versatile.
This utility model solves its technical problem and be employed technical scheme comprise that：Described expanding mandrel, including expander,
Tapered sleeve, lock-screw are it is characterised in that have the step axle of through hole, expander diameter centered on the setting of described expander
It is clamped on machine chuck compared with segment；Expander is relatively large in diameter section and is connected with workpiece, and the described section that is relatively large in diameter is in end face
The heart is provided with bellmouth, is provided with tapered sleeve in bellmouth, tapered sleeve be provided centrally with through hole, in through hole, lock-screw is installed,
It is internal that tapered sleeve is locked at expansion by lock-screw.
Expander described in the utility model is relatively large in diameter section and is provided with the uniform strip gab seam of predetermined number circumference, institute
The end stating strip gab seam is set to arc-shaped, and effect is to prevent when expander distending angle is excessive, strip gab seam
Ftractureed due to stress concentration in end.
One end that tapered sleeve described in the utility model is contacted with expander is set to conical section, described conical section and expander
Interior bellmouth matches, and conical section and bellmouth intimate contact realize the gapless clamping to workpiece for the expander.
The beneficial effects of the utility model are that described expanding mandrel includes expander, the expansion being positioned on machine chuck
Lock-screw outside the tapered sleeve of body taper in the hole and tapered sleeve, manually screws lock-screw, and tapered sleeve is with respect to the cone of expander
Moving in shape hole, makes expander distending clamp the workpiece of expander one end, described expanding mandrel safety simple to operate, low cost,
Positioning and removal efficiency are high, can meet the batch production of part.
Brief description
Accompanying drawing 1 is this utility model main structure diagram；
Accompanying drawing 2 is the right side structural representation of this utility model expander；
Accompanying drawing 3 is this utility model A-A cross section structure diagram；
In accompanying drawing:1. workpiece, 2. tapered sleeve, 3. lock-screw, 4. expander, 5. machine chuck, 41. strip gab seams.
Specific embodiment
With reference to the accompanying drawings and examples this utility model is described in further detail.
In accompanying drawing 1, accompanying drawing 2, accompanying drawing 3, described expanding mandrel, including expander 4, tapered sleeve 2, lock-screw 3, it is special
Levy and be, there is centered on described expander 4 setting the step axle of through hole, expander 4 diameter is clamped in lathe compared with segment
On chuck 5；Expander 4 is relatively large in diameter section and is connected with workpiece 1, and the described section that is relatively large in diameter is provided centrally with taper near end face
Hole, is provided with tapered sleeve 2 in bellmouth, tapered sleeve 2 is provided centrally with through hole, is provided with lock-screw 3 in through hole, and tapered sleeve 2 passes through lock
Tight screw 3 is locked in expander 4.
The section that is relatively large in diameter of expander 4 described in the utility model is provided with the uniform strip gab seam of predetermined number circumference
41, the end of described strip gab seam 41 is set to arc-shaped, and effect is to prevent when expander distending angle is excessive, and bar shaped is opened
Ftractureed due to stress concentration in the end of mouth seam.
One end that tapered sleeve 2 described in the utility model is contacted with expander 4 is set to conical section, described conical section and expansion
Bellmouth in body 4 matches, and conical section and bellmouth intimate contact realize the gapless clamping to workpiece for the expander 4.
The operation principle of expanding mandrel described in the utility model is：First one end of expander 4 is positioned at lathe card
On disk, workpiece socket is positioned at the other end of expander 4, so that 2 liang of conical surfaces of expander 4 and tapered sleeve is in close contact, with lock
Tight screw 3 holds out against tapered sleeve 2, and expander 4 realizes distending function, the workpiece being socketed in expander 4 one end is strutted hold out against carry out fixed
Position, clamping and positioning work completes；After processing finished piece(s), loosening lock-screw 3, expander 4 realizes release function, now takes off work
Part.
In described work process, the clamping and positioning of workpiece and disassembling section are simple, efficiency high, and manual operation low cost can expire
The batch production of sufficient part.
Claims (4)
1. a kind of expanding mandrel, including expander（4）, tapered sleeve（2）, lock-screw（3）It is characterised in that described expander（4）
There is centered on setting the step axle of through hole, expander（4）Diameter is clamped in machine chuck compared with segment（5）On；Expander
（4）It is relatively large in diameter section and be connected with workpiece（1）, described it is relatively large in diameter the bellmouth that is provided centrally near end face for the section, in bellmouth
Tapered sleeve is installed（2）, tapered sleeve（2）It is provided centrally with through hole, lock-screw is installed in through hole（3）, tapered sleeve（2）By locking screw
Nail（3）It is locked at expander（4）Interior.
2. expanding mandrel according to claim 1 is it is characterised in that described expander（4）The section that is relatively large in diameter be provided with
The uniform strip gab seam of predetermined number circumference（41）.
3. expanding mandrel according to claim 2 is it is characterised in that described strip gab stitches（41）End be set to justify
Arcuation.
4. expanding mandrel according to claim 1 is it is characterised in that described tapered sleeve（2）With expander（4）One end of contact
It is set to conical section, described conical section and expander（4）Interior bellmouth matches.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620915100.1U CN205927171U (en) | 2016-08-23 | 2016-08-23 | Tight dabber expands |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620915100.1U CN205927171U (en) | 2016-08-23 | 2016-08-23 | Tight dabber expands |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205927171U true CN205927171U (en) | 2017-02-08 |
Family
ID=57948723
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620915100.1U Active CN205927171U (en) | 2016-08-23 | 2016-08-23 | Tight dabber expands |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205927171U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106735383A (en) * | 2017-03-14 | 2017-05-31 | 江西中船航海仪器有限公司 | A kind of processing unit (plant) of accelerometer installing plate |
| CN107052872A (en) * | 2017-05-16 | 2017-08-18 | 重庆沃特尔粉末冶金有限公司 | Cutting tool and cutting method thereof |
| CN107971510A (en) * | 2017-10-21 | 2018-05-01 | 福州大学 | Ensure the expansive force spindle unit and its method of work of miniature workpiece concentricity |
| CN108044370A (en) * | 2018-01-12 | 2018-05-18 | 河北北方铸业有限公司 | A kind of fixing device of workpiece |
| CN109015039A (en) * | 2018-10-20 | 2018-12-18 | 贵州航铄工业股份有限公司 | A kind of thin-walled parts processing bit combination fixture with threaded hole |
-
2016
- 2016-08-23 CN CN201620915100.1U patent/CN205927171U/en active Active
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106735383A (en) * | 2017-03-14 | 2017-05-31 | 江西中船航海仪器有限公司 | A kind of processing unit (plant) of accelerometer installing plate |
| CN107052872A (en) * | 2017-05-16 | 2017-08-18 | 重庆沃特尔粉末冶金有限公司 | Cutting tool and cutting method thereof |
| CN107052872B (en) * | 2017-05-16 | 2023-10-10 | 重庆沃特尔粉末冶金股份有限公司 | Cutting tool and cutting method thereof |
| CN107971510A (en) * | 2017-10-21 | 2018-05-01 | 福州大学 | Ensure the expansive force spindle unit and its method of work of miniature workpiece concentricity |
| CN108044370A (en) * | 2018-01-12 | 2018-05-18 | 河北北方铸业有限公司 | A kind of fixing device of workpiece |
| CN108044370B (en) * | 2018-01-12 | 2024-04-05 | 河北北方铸业有限公司 | Workpiece fixing device |
| CN109015039A (en) * | 2018-10-20 | 2018-12-18 | 贵州航铄工业股份有限公司 | A kind of thin-walled parts processing bit combination fixture with threaded hole |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20200423 Address after: 272000 south side of Hongguang Road, high tech Zone, Jining City, Shandong Province, west side of Shandong walhua Group Co., Ltd Patentee after: Jining Yiteng Hydraulic Co., Ltd Address before: 272000 Jining province high tech Development Zone, Kaiyuan Road, No. 9, No. Patentee before: JINING KERSEN HYDRAULIC Co.,Ltd. |
|
| TR01 | Transfer of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: An expanding mandrel Effective date of registration: 20200826 Granted publication date: 20170208 Pledgee: Jining high tech Zone economic development small loan Co., Ltd Pledgor: Jining Yiteng Hydraulic Co.,Ltd. Registration number: Y2020990001029 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right |