CN201989010U - Inner thread surface treatment device - Google Patents
Inner thread surface treatment device Download PDFInfo
- Publication number
- CN201989010U CN201989010U CN2011200150481U CN201120015048U CN201989010U CN 201989010 U CN201989010 U CN 201989010U CN 2011200150481 U CN2011200150481 U CN 2011200150481U CN 201120015048 U CN201120015048 U CN 201120015048U CN 201989010 U CN201989010 U CN 201989010U
- Authority
- CN
- China
- Prior art keywords
- brush
- treating apparatus
- interior threaded
- threaded surface
- surface treating
- 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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- Polishing Bodies And Polishing Tools (AREA)
- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
- Brushes (AREA)
Abstract
The utility model relates to an inner thread surface treatment device, which comprises a base, a fixing device and a spindle. The fixing device is arranged on the base and used for fixing workpieces to be treated, the spindle is driven to rotate by a driving device and drives at least one output shaft to rotate by a transmission, and each output shaft is provided with a grinding brush which extends into a threaded hole of the workpiece to be treated and used for surface treatment of the inner thread of the threaded hole. The inner thread surface treatment device overcomes shortages that existing inner threads are low in surface quality so that transmission efficiency is low, fastening is unreliable and assembling and disassembling are not easy, can realize surface treatment for inner threads so as to enhance transmission efficiency and fastening reliability of parts with inner threads, so that the parts with the inner threads can be assembled and disassembled easily.
Description
Technical field
The utility model belongs to the polishing field.Be specially a kind of interior threaded surface treating apparatus.
Background technology
The internal thread of nut or other part is subjected to manufacturing process to limit its roughness grade low, and leaves burr and sharp edge that machined produces, and its surface quality far is worse than external screw thread.When nut was used for transferring power, frictional force bigger between the internal thread of nut and the external screw thread of bolt produced bigger frictional resistance moment, has reduced the efficient of transmission.When nut is used for when fastening, because the interior threaded surface roughness grade number of nut is low, active force between the internal thread of nut and the external screw thread of bolt is inhomogeneous, make that the pre-fastening moment dispersiveness is bigger, it is fastening unreliable to cause, and the active force between the external screw thread of the internal thread of nut and bolt is inhomogeneous simultaneously makes that also nut and bolt are difficult for assembling and dismantling.
The utility model content
The technical problem that the utility model solves is to overcome the low shortcoming that causes low, fastening unreliable and difficult assembling of transmission efficiency and dismounting of existing interior threaded surface quality, internal thread is carried out surface treatment improves and has internal thread thereby provide a kind of
The transmission efficiency of part and fastening reliability also make it be easy to the interior threaded surface treating apparatus that assembles and dismantle.
The interior threaded surface treating apparatus that provides of the present utility model, comprise base, be located at fixture that is used for fixing pending workpiece on the base and the main shaft that under the driving of drive unit, rotates, described main shaft drives at least one output shaft rotation by transmission device, is equipped with the screwed hole that puts in described pending workpiece on every described output shaft and the internal thread of described screwed hole is carried out the surface-treated abrasive brush.
As preferably, thereby comprise that also driving axial-movement that described main shaft is parallel to the screwed hole of described pending workpiece makes described main shaft drive described output shaft and be located at abrasive brush on the described output shaft along the reciprocating driver of the axis of described screwed hole.
As preferably, described abrasive brush comprises brush holder and brush, and described brush comprises the brush rod and be located at bristle on the described brush rod that described brush holder is fixedlyed connected with described output shaft.
As further preferred, the diameter of described brushhead portion is greater than the middle footpath of described pending workpiece internal thread.
As further preferred, the length of described bristle is less than or equal to 8mm.
As further preferred, the surface of described bristle is bonded with abrasive particle.
As further preferred, the diameter of every described bristle is less than 1/2 of described pending workpiece internal thread pitch.
As preferably, also comprise the water circulation system of on described abrasive brush, spraying cutting fluid by nozzle.
Interior threaded surface treating apparatus described in the utility model compared with prior art has following beneficial effect:
1, the abrasive brush of employing rotation carries out surface treatment to the internal thread of workpiece, removes the burr and the sharp edge of interior threaded surface, improves its roughness grade number, thereby improves the transmission efficiency and the fastening reliability of the workpiece with internal thread and make it be easy to assembling and dismounting.
2, described main shaft in rotation, can be parallel to described nut screwed hole axial-movement and drive described output shaft and the abrasive brush that is located on the described output shaft moves back and forth along the axis of described screwed hole, thereby the surface of the internal thread of whole nut is handled.
3, the diameter d of every described bristle makes described bristle can put in the bottom of internal thread less than 1/2 of described pending workpiece internal thread pitch.
4, the diameter D of described brushhead portion is greater than the middle footpath of described pending workpiece internal thread, and this length makes bristle can put in the bottom of internal thread.
5, the length a of described bristle is less than or equal to 8mm, prevents to cause its hardness to reduce because of bristle is long, and is flexible when carrying out surface treatment.
Description of drawings
Fig. 1 is the front view of the interior threaded surface treating apparatus of an embodiment of the utility model.
Fig. 2 is the left view of the interior threaded surface treating apparatus among Fig. 1.
Fig. 3 is the structure chart of abrasive brush of the interior threaded surface treating apparatus of an embodiment of the utility model.
The specific embodiment
Fig. 1 is the front view of the interior threaded surface treating apparatus of an embodiment of the utility model, and Fig. 2 is the left view of the interior threaded surface treating apparatus among Fig. 1.As depicted in figs. 1 and 2, the interior threaded surface treating apparatus comprises base 1, be located at the fixture 2 that is used for fixing pending workpiece on the base 1 and rotatable main shaft 3 under the driving of drive unit, in the present embodiment, pending workpiece is the nut 4 that has internal thread, the screwed hole axis normal that is fixed on the nut 4 on the fixture 2 is in horizontal plane, main shaft 3 is also perpendicular to horizontal plane, and described drive unit is a drive motors 5, by type of drive drive shaft 3 rotations of routine.Described main shaft 3 drives at least one output shaft rotation by transmission device, be equipped with on every described output shaft and be used for abrasive brush 6 that the interior threaded surface of described nut 4 is handled, in the present embodiment, described transmission device is one to be provided with the gear-box 7 of a plurality of gears, described output shaft is 15, be located in the axles box 14, one end of every described output shaft is connected with a gear in the described gear-box 7 and rotates under the drive of gear, and the other end stretches out described axles box and is connected with an abrasive brush 6.Described main shaft 3 drives described gear-box 7 makes 15 output shafts do planetary motion, that is, 15 output shafts are rotated simultaneously, thereby 15 abrasive brushes 6 that are separately positioned on 15 output shafts are rotated simultaneously, this kind of drive is a prior art, does not do detailed description at this.The internal thread that 6 pairs of the abrasive brushes of rotation are fixed on 15 nuts 4 on the fixture 2 carries out surface treatment simultaneously, remove the burr and the sharp edge of interior threaded surface, improve its roughness grade number, thereby improve the transmission efficiency and the fastening reliability of nut 4 and make it be easy to assembling and dismounting with internal thread.In the present embodiment, can between change the direction of rotation of abrasive brush 6 at regular intervals by the direction of rotation that changes main shaft, so that internal thread is carried out sufficient surface treatment.
In the above-described embodiments, described main shaft 3 is at the axial-movement of the screwed hole that is parallel to described nut 4 under the drive of driver and drive described output shaft and the abrasive brush 6 that is located on the described output shaft moves back and forth along the axis of described screwed hole.In the present embodiment, described driver is a servomotor 8, also can be cylinder or oil cylinder.Described main shaft 3 pumps under the driving of driver, drives abrasive brush 6 and pumps, thereby the surface of the internal thread of whole nut 4 is handled.After surface treatment is finished, make abrasive brush move to the top of nut 4, nut 4 is taken off from fixture 2.
Fig. 3 is the structure chart of abrasive brush 6 of the interior threaded surface treating apparatus of an embodiment of the utility model.As shown in Figure 3, described abrasive brush 6 comprises brush holder 12 and brush 9, and described brush holder 12 is fixedlyed connected with output shaft as tapered sleeve or other existing jockey by conventional connected mode.Described brush 9 comprises brush rod 10 and is located at the described bristle of brushing on the rod 10 11.In the present embodiment, described brush rod 10 is cylindrical, and described bristle 11 adopts nylon yarn or other material to make, and tilts or vertical setting with respect to described brush rod 10 along the described circumference of brushing rod 10.
In the above-described embodiments, when the length of the brush 9 of abrasive brush 6 during more than or equal to the length of screwed hole, described main shaft 3 also can be not parallel to the axial-movement of the screwed hole of described nut 4.When described nut 4 after the surface treatment of internal thread is finished under a side dumping relative with abrasive brush 6 installation sites.
In the above-described embodiments, described bristle 11 surfaces are bonded with the abrasive particle (not shown).
In the above-described embodiments, the diameter d of every described bristle 11 is less than 1/2 of described pending nut 4 internal thread pitch.In the present embodiment, the diameter d of described bristle 11 be pending nut 4 internal thread pitch 1/2 deduct 0.2mm, make described bristle 11 can put in the bottom of internal thread.
In the above-described embodiments, the diameter D of described brush 9 parts is greater than the middle footpath of described pending nut 4 internal threads.In the present embodiment, the middle footpath that the diameter D of described brush 9 parts equals described pending nut 4 internal threads adds 3mm, and this length makes bristle 11 can put in the bottom of internal thread.
In the above-described embodiments, the length a of described bristle 11 is less than or equal to 8mm, prevents because of bristle 11 long its hardness that cause reduce, and is flexible when carrying out surface treatment.
In the above-described embodiments, described interior threaded surface treating apparatus also comprises the water circulation system 13 of spraying cutting fluid by nozzle on described abrasive brush 6.Cutting fluid can be taken away metal fillings or other chip of staying in the internal thread on the one hand in internal thread machining process and surface treatment process, can reduce the temperature of nut 4 and abrasive brush 6 in the surface treatment process on the other hand, thereby prolong the service life of abrasive brush 6, cutting fluid also can improve the surface-treated effect simultaneously.
Above embodiment is an exemplary embodiment of the present utility model only, is not used in restriction the utility model, and protection domain of the present utility model is defined by the claims.Those skilled in the art can make various modifications or be equal to replacement the utility model in essence of the present utility model and protection domain, this modification or be equal to replacement and also should be considered as dropping in the protection domain of the present utility model.
Claims (8)
1. interior threaded surface treating apparatus, it is characterized in that: comprise base, be located at fixture that is used for fixing pending workpiece on the base and the main shaft that under the driving of drive unit, rotates, described main shaft drives at least one output shaft rotation by transmission device, and is equal on the every described output shaft
The screwed hole that puts in described pending workpiece is installed and the internal thread of described screwed hole is carried out the surface-treated abrasive brush.
2. interior threaded surface treating apparatus according to claim 1 is characterized in that: thus comprise that also driving axial-movement that described main shaft is parallel to the screwed hole of described pending workpiece makes described main shaft drive described output shaft and be located at abrasive brush on the described output shaft along the reciprocating driver of the axis of described screwed hole.
3. interior threaded surface treating apparatus according to claim 1 is characterized in that: described abrasive brush comprises brush holder and brush, and described brush comprises brush rod and be located at bristle on the described brush rod that described brush holder is fixedlyed connected with described output shaft.
4. interior threaded surface treating apparatus according to claim 3 is characterized in that: the diameter of described brushhead portion is greater than the middle footpath of described pending workpiece internal thread.
5. interior threaded surface treating apparatus according to claim 4 is characterized in that: the length of described bristle is less than or equal to 8mm.
6. interior threaded surface treating apparatus according to claim 3 is characterized in that: the surface of described bristle is bonded with abrasive particle.
7. interior threaded surface treating apparatus according to claim 3 is characterized in that: the diameter of every described bristle is less than 1/2 of described pending workpiece internal thread pitch.
8. interior threaded surface treating apparatus according to claim 1 is characterized in that: also comprise the water circulation system of spraying cutting fluid by nozzle on described abrasive brush.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200150481U CN201989010U (en) | 2011-01-18 | 2011-01-18 | Inner thread surface treatment device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200150481U CN201989010U (en) | 2011-01-18 | 2011-01-18 | Inner thread surface treatment device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201989010U true CN201989010U (en) | 2011-09-28 |
Family
ID=44665512
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011200150481U Expired - Fee Related CN201989010U (en) | 2011-01-18 | 2011-01-18 | Inner thread surface treatment device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201989010U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102581775A (en) * | 2011-01-18 | 2012-07-18 | 廊坊市北方天宇机电技术有限公司 | Surface treatment device and surface treatment method for internal thread |
| CN102653072A (en) * | 2012-04-26 | 2012-09-05 | 长城汽车股份有限公司 | Burring device of engine crankshaft oil hole |
| CN104526497A (en) * | 2014-12-10 | 2015-04-22 | 南京三超金刚石工具有限公司 | Sapphire sheet edge polishing method |
| CN108555719A (en) * | 2018-06-29 | 2018-09-21 | 广西玉柴机器股份有限公司 | A kind of tool of auxiliary robot deburring |
| CN111421406A (en) * | 2020-05-29 | 2020-07-17 | 杭州勒格智能设备有限公司 | Automatic finish machining process for manufacturing pump body impeller |
-
2011
- 2011-01-18 CN CN2011200150481U patent/CN201989010U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102581775A (en) * | 2011-01-18 | 2012-07-18 | 廊坊市北方天宇机电技术有限公司 | Surface treatment device and surface treatment method for internal thread |
| CN102653072A (en) * | 2012-04-26 | 2012-09-05 | 长城汽车股份有限公司 | Burring device of engine crankshaft oil hole |
| CN102653072B (en) * | 2012-04-26 | 2014-11-12 | 长城汽车股份有限公司 | Burring device of engine crankshaft oil hole |
| CN104526497A (en) * | 2014-12-10 | 2015-04-22 | 南京三超金刚石工具有限公司 | Sapphire sheet edge polishing method |
| CN108555719A (en) * | 2018-06-29 | 2018-09-21 | 广西玉柴机器股份有限公司 | A kind of tool of auxiliary robot deburring |
| CN111421406A (en) * | 2020-05-29 | 2020-07-17 | 杭州勒格智能设备有限公司 | Automatic finish machining process for manufacturing pump body impeller |
| CN111421406B (en) * | 2020-05-29 | 2021-03-23 | 民扬泵业有限公司 | Automatic finish machining process for manufacturing pump body impeller |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110928 Termination date: 20160118 |
|
| EXPY | Termination of patent right or utility model |