CN204524702U - A kind of excircle surface rolling device - Google Patents
A kind of excircle surface rolling device Download PDFInfo
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- CN204524702U CN204524702U CN201520181919.5U CN201520181919U CN204524702U CN 204524702 U CN204524702 U CN 204524702U CN 201520181919 U CN201520181919 U CN 201520181919U CN 204524702 U CN204524702 U CN 204524702U
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- China
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- guide pin
- pin bushing
- main shaft
- retainer plate
- core retainer
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Abstract
A kind of excircle surface rolling device, comprises housing, core retainer plate, main shaft, retainer and guide pin bushing; Core retainer plate is arranged on one end of housing, is provided with retainer, is distributed with needle roller between core retainer plate and retainer, retainer is installed with drive sleeve in the endoporus of core retainer plate, and drive sleeve is connected with the guide pin bushing in main shaft; Main shaft is arranged in housing; Be provided with guide pin bushing in main shaft, guide pin bushing is embedded with anti-scratch inner sleeve; Guide pin bushing is provided with and rolls pressure adjustmenting mechanism.This device inlays anti-scratch inner sleeve in guide pin bushing, effectively prevent the surface of the work after processing and scratches, put spring collar by setting up guide pin bushing and spindle synchronous are rotated, by arranging handle, facilitate adjustment, core retainer plate integration simultaneously, facilitate processing and assembling, ensure that service precision.
Description
Technical field
The utility model relates to a kind of device surface of workpiece being carried out to roll extrusion, belongs to roll extrusion machinery processing technique field.
Background technology
Grinding is compared in surface rolling processing, and surface roughness value is less, and abrasion resistance and hardness are also higher, and produces without metal fillings, and be used widely, various roll unit and device also constantly occur.
Chinese patent literature CN101214598B discloses one " excircle surface rolling device ", comprise stationary body, this stationary body one end inner ring is rotatably assorted and can transmits the steel drive sleeve of power, and the other end of stationary body has been threaded shell, and shell internal thread is connected with mandrel; Steel drive sleeve output drives through discrete transmission cover the maintainance set having its border setting-in needle roller, and described maintainance set insertion is positioned in the centre bore of mandrel; The top pressure spring being sleeved on maintainance set outer ring is compressed with between mandrel inner face and discrete transmission overlap; Steel drive sleeve endoporus is furnished with the plastic drive cover that can regulate maintainance set stroke; The size of configuration mandrel regulates and lock function, and plastic drive puts regulating spring and the spring pressure cover of arranging, achieves coarse adjustment and the micro-positioning regulators of roll extrusion part different size; Be through hole in steel drive sleeve and maintainance set.
Although above-mentioned excircle surface rolling device makes the processing length of roll extrusion part unrestricted; The torsion transmission that is connected together is steady, and dimensioned is accurate, but there is following defect:
1. easily make the surface of the work after processing scratch;
2. there is fault of construction in compression spring, and install difficulty, guide pin bushing and main shaft can not ensure stable run-in synchronism;
3. mandrel and steel drive sleeve are Split type structure, there is the accumulating questions of mismachining tolerance and rigging error, cannot ensure external screw thread and inner conical surface coaxial.
4. front springs repeats with holddown spring below, and unreasonable structure, one end of spring is rotating part, and the other end is retaining element.
Above-mentioned defect, have impact on service life of device and working (machining) efficiency and effect.
Summary of the invention
The deficiency that the utility model exists for existing excircle surface rolling technology, provides that a kind of processing effect is good, working (machining) efficiency is high, the excircle surface rolling device of long service life.
Excircle surface rolling device of the present utility model, by the following technical solutions:
This device, comprises housing, core retainer plate, main shaft, retainer and guide pin bushing; Core retainer plate is arranged on one end of housing, is provided with retainer, is distributed with needle roller between core retainer plate and retainer, retainer is installed with drive sleeve in the endoporus of core retainer plate, and drive sleeve is connected with the guide pin bushing in main shaft; Main shaft is arranged in housing; Be provided with guide pin bushing in main shaft, guide pin bushing is embedded with anti-scratch inner sleeve; Guide pin bushing is provided with and rolls pressure adjustmenting mechanism.
Core retainer plate is provided with locating ring, locating ring is provided with handle.
The endoporus of core retainer plate is taper hole, the taper hole surface conjunction of needle roller and core retainer plate.
Bearing is provided with between drive sleeve and housing.
Anti-scratch nylon tube is provided with in the endoporus of retainer.
Roll pressure adjustmenting mechanism, comprise compression spring, spring collar and roll extrusion power adjusting nut, compression spring and spring collar are arranged between main shaft and guide pin bushing, the both sides of compression spring are provided with spring collar, a compression spring part is in the groove of main shaft, another part is in the groove of guide pin bushing, and roll extrusion power adjusting nut to be arranged on guide pin bushing and to be positioned at the outside of spring collar.
During embody rule, be fixed on by housing in a frame, drive main axis by V belt translation, main shaft drives drive sleeve and retainer to rotate.Needle roller rotates with retainer, also rotation simultaneously.Add man-hour, stretched into workpiece one end by retainer, utilize the angle between needle roller and the axis of retainer to complete rolling and processing to surface of the work, the workpiece after roll extrusion is exited by the guide pin bushing in the other end of retainer and main shaft.
The utility model inlays anti-scratch inner sleeve in guide pin bushing, effectively prevent the surface of the work after processing to scratch, put spring collar by setting up guide pin bushing and spindle synchronous are rotated, by arranging handle and position fixing handle, facilitate adjustment, core retainer plate integration simultaneously, facilitates processing and assembling, ensure that service precision.
Accompanying drawing explanation
Fig. 1 is the structural representation of excircle surface rolling device of the present utility model.
In figure: 1, nylon inner sleeve, 2, roll extrusion power adjusting nut, 3, synchronous pulley nut, 4, synchronous pulley, 5, spacer, 6, thrust bearing, 7, drive sleeve, 8, housing, 9, locating ring, 10, handle, 11, core retainer plate, 12, needle roller, 13, retainer, 14, nylon tube, 15, nut, 16, guide pin bushing, 17, jackscrew, 18, main shaft, 19, sealing ring, 20, outer separator, 21, inner spacing collar, 22, deep groove ball bearing, 23, bearing trim ring, 24, compression spring, 25, spring collar.
Detailed description of the invention
Excircle surface rolling device of the present utility model, as shown in Figure 1, comprises housing 8, core retainer plate 11, main shaft 18, drive sleeve 7 and guide pin bushing 16.Core retainer plate 11 is arranged on one end of housing 8, and stretches into housing 1, is be threaded between core retainer plate 11 and housing 8.Core retainer plate 11 is provided with locating ring 9 and nut 15, locating ring 9 can be pressed on the end of housing 8 by nut 15.The endoporus outside of core retainer plate 11 is taper hole.Locating ring 9 is provided with handle 10, to facilitate adjustment, handle 10 gos deep in the keyway of core retainer plate 11 simultaneously, rotates with handle 10 to make core retainer plate 11.Retainer 13 is installed in the endoporus of core retainer plate 11, between core retainer plate 11 and retainer 13, is distributed with needle roller 12, retainer 13 be circumferentially processed with needle roller groove, needle roller 12 to be in needle roller groove and with the taper hole surface conjunction of core retainer plate 11.By turning handle 10, core retainer plate 11 is rotated simultaneously and moves axially (between core retainer plate 11 and housing 8, relative motion occurring), under the taper hole of core retainer plate 11 drives, each needle roller 12 is moved radially simultaneously, each needle roller inner space diameter is regulated with this, namely the diameter of workpiece to be machined is adjusted, so just can be applicable to the workpiece processing different-diameter in certain limit.After adjusting, fastening nut 15, in case core retainer plate 11 loosens.During work, retainer 13 drives needle roller 12 to rotate, and utilizes the angle between the axis of needle roller 12 and retainer 13 to complete rolling and processing to surface of the work.Nylon tube 14 is provided with, in order to avoid scratch the workpiece after processing in the endoporus of retainer 13.The inner end of retainer 13 is installed with drive sleeve 7 by jackscrew 17.Thrust bearing 6 is provided with between drive sleeve 7 and housing 8.Drive sleeve 7 and main shaft 18 are engaged by end-tooth and are connected.Main shaft 18 is arranged in housing 8 by two ball bearings 22, is provided with outer separator 20 and inner spacing collar 21, and is realized the axial location of two bearings by bearing trim ring 23, be provided with sealing ring 19 between ball bearing 22 and housing 8 between two ball bearings 22.Be provided with guide pin bushing 16 in the endoporus of main shaft 18, guide pin bushing 16 is embedded with nylon inner sleeve 1.Main shaft 18 is provided with synchronous pulley 4, and realizes the axial location of synchronous pulley 4 by the synchronous pulley nut 3 be arranged on main shaft 18, synchronous pulley 4, by forming V belt translation with the motor of outside, drives main shaft 18 to rotate.Spacer 5 is provided with between the end of synchronous pulley 4 and housing 8.Compression spring 24 and spring collar 25 is provided with between main shaft 18 and guide pin bushing 16, main shaft 18 and guide pin bushing 16 are respectively arranged with the groove holding compression spring 24 and spring collar 25, make compression spring 24 half in the groove of main shaft 18, second half is in the groove of guide pin bushing 16, spring collar 25 is immediate all the time with the groove end face of main shaft 18, compression spring 24 is in compressive state all the time, and guide pin bushing 16 is in extended state all the time.Compression spring 24 is by arranging spring collar 25 axial location.The arranged outside that guide pin bushing 16 is positioned at spring collar 25 has roll extrusion power adjusting nut 2, by rotating roll extrusion power adjusting nut 2, making compression spring 24 compress or loosen, realizing the adjustment of roll extrusion power, making compression spring 24 have initial compression force.During work, when the size of workpiece is bigger than normal than the bulk inside each needle roller 12 of adjustment, needle roller 12 will move to the large extreme direction of core retainer plate 11 internal taper hole, needle roller 12 will drive retainer 13 (shown in Fig. 1 right side) motion to the right, retainer 13 drives drive sleeve 7 to move right, and drive sleeve 7 drives guide pin bushing 16 to move right.Because main shaft 18 is fixed, guide pin bushing 16 will drive roll extrusion power adjusting nut 2 to move right, and compression spring 24 is compressed, and the compression stress that spring-compressed force rate initially adjusts is larger.When workpiece size returns to setting size, compression spring 24 returns to again the state initially adjusted.
Nylon tube 14 is the same with the effect of nylon inner sleeve 1, is all that these two parts also can make one in order to the surface after preventing workpiece processed is not scratched.
The course of work of above-mentioned excircle surface rolling device is as follows:
Be fixed on by housing 8 in a frame, rotated by a motor and V belt translation band movable belt pulley 4, belt wheel 4 drives main shaft 18 to rotate, and main shaft 18 drives drive sleeve 7 to rotate, and drive sleeve 7 drives retainer 13 to rotate again.Needle roller 12 rotates with retainer 13, also rotation simultaneously.Add man-hour, stretched into workpiece one end by retainer 13, utilize the angle between needle roller 12 and axis to drive workpiece to complete surface of the work roll extrusion, the workpiece after roll extrusion is released by the guide pin bushing 16 in the other end of retainer 13 and main shaft 18.Workpiece after roll extrusion, by the nylon tube 14 in retainer 13 and the nylon inner sleeve 1 in guide pin bushing 16, avoids and is scratched.
Claims (6)
1. an excircle surface rolling device, comprises housing, core retainer plate, main shaft, retainer and guide pin bushing; It is characterized in that: core retainer plate is arranged on one end of housing, be provided with retainer in the endoporus of core retainer plate, be distributed with needle roller between core retainer plate and retainer, retainer is installed with drive sleeve, drive sleeve is connected with the guide pin bushing in main shaft; Main shaft is arranged in housing; Be provided with guide pin bushing in main shaft, guide pin bushing is embedded with anti-scratch inner sleeve; Guide pin bushing is provided with and rolls pressure adjustmenting mechanism.
2. excircle surface rolling device according to claim 1, is characterized in that: described core retainer plate is provided with locating ring, locating ring is provided with handle.
3. excircle surface rolling device according to claim 1, is characterized in that: the endoporus of described core retainer plate is taper hole, the taper hole surface conjunction of needle roller and core retainer plate.
4. excircle surface rolling device according to claim 1, is characterized in that: be provided with bearing between described drive sleeve and housing.
5. excircle surface rolling device according to claim 1, is characterized in that: be provided with anti-scratch nylon tube in the endoporus of described retainer.
6. excircle surface rolling device according to claim 1, it is characterized in that: described in roll pressure adjustmenting mechanism, comprise compression spring, spring collar and roll extrusion power adjusting nut, compression spring and spring collar are arranged between main shaft and guide pin bushing, the both sides of compression spring are provided with spring collar, a compression spring part is in the groove of main shaft, and another part is in the groove of guide pin bushing, and roll extrusion power adjusting nut to be arranged on guide pin bushing and to be positioned at the outside of spring collar.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520181919.5U CN204524702U (en) | 2015-03-27 | 2015-03-27 | A kind of excircle surface rolling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520181919.5U CN204524702U (en) | 2015-03-27 | 2015-03-27 | A kind of excircle surface rolling device |
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| Publication Number | Publication Date |
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| CN204524702U true CN204524702U (en) | 2015-08-05 |
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| CN201520181919.5U Active CN204524702U (en) | 2015-03-27 | 2015-03-27 | A kind of excircle surface rolling device |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105500091A (en) * | 2015-12-29 | 2016-04-20 | 山东华云机电科技有限公司 | Feeding device of rotary rolling table and application of feeding device |
| CN106670724A (en) * | 2016-12-28 | 2017-05-17 | 宁波市精恒凯翔机械有限公司 | Roller press |
| CN108971363A (en) * | 2018-08-28 | 2018-12-11 | 航珍航空技术（上海）有限公司 | Expander and inward turning single lead screw ex truding briquetting machine |
| CN109531047A (en) * | 2018-12-26 | 2019-03-29 | 宁波市精恒凯翔机械有限公司 | Outer diameter roller press |
-
2015
- 2015-03-27 CN CN201520181919.5U patent/CN204524702U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105500091A (en) * | 2015-12-29 | 2016-04-20 | 山东华云机电科技有限公司 | Feeding device of rotary rolling table and application of feeding device |
| CN106670724A (en) * | 2016-12-28 | 2017-05-17 | 宁波市精恒凯翔机械有限公司 | Roller press |
| CN106670724B (en) * | 2016-12-28 | 2019-08-16 | 宁波市精恒凯翔机械有限公司 | A kind of roller press |
| CN108971363A (en) * | 2018-08-28 | 2018-12-11 | 航珍航空技术（上海）有限公司 | Expander and inward turning single lead screw ex truding briquetting machine |
| CN109531047A (en) * | 2018-12-26 | 2019-03-29 | 宁波市精恒凯翔机械有限公司 | Outer diameter roller press |
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