CN202278133U - Special tool for thread rolling - Google Patents
Special tool for thread rolling Download PDFInfo
- Publication number
- CN202278133U CN202278133U CN201120392782XU CN201120392782U CN202278133U CN 202278133 U CN202278133 U CN 202278133U CN 201120392782X U CN201120392782X U CN 201120392782XU CN 201120392782 U CN201120392782 U CN 201120392782U CN 202278133 U CN202278133 U CN 202278133U
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- roller
- quiet
- push rod
- moving
- sliding sleeve
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Abstract
The utility model relates to a special tool for thread rolling, which is characterized by comprises a frame body, and the frame body is provided with two stationary push-rod assemblies and a movable push-rod assembly; each stationary push-rod assembly comprises a sliding sleeve, a stationary push rod and a stationary roller, wherein the sliding sleeve is sleeved on the frame body in a clearance sleeving mode, one end of the stationary push rod is inserted in the sliding sleeve and can rotate around the axial line thereof, and the stationary roller is arranged at the other end of the stationary push rod; the stationary roller is provided with an integral rolling shaft; the movable push-rod assembly comprises a movable push rod which is inserted in the frame body and can rotate around the axial line thereof, one end of the movable push rod is provided with movable rollers with an integral rolling shaft, and the other end of the movable push rod is contacted with a leveraged spherical surface of a hydraulic oil cylinder arranged on the frame body; and two movable rollers and a stationary roller are distributed in the shape of an isosceles triangle, and the two movable rollers are arranged at the two bottom angles of the isosceles triangle. The special tool for thread rolling provided by the utility model has the advantages of strong rigidity, large rolling pressure, adjustable rolling pitch, adaptive lead angles, controllable rolling pressure, no special equipment required, no consumables, low processing cost, and small power consumption.
Description
Technical field
The utility model belongs to the screwing tool technical field, particularly relates to a kind of rolling screw-threads specific purpose tool that is applicable to the major diameter coarse pitch.
Background technology
Rolling screw-threads technology generally only is applicable to the use of minor thread fine pitch, and is mostly direct roll forming, choose button without lathe, and the roll extrusion power of rolling tools is also less.At present, the screw thread that can process of home and overseas is M220 * 3 to the maximum.Because it is stressed big during 45MN forging hydraulic press pull bar part time job; Condition of work is abominable; The two ends of pull bar have the large-scale screw thread of Nie220 * 16 need carry out rolling and processing, require the rolling screw-threads roll-force greater than 25KN, and the roll extrusion degree of depth is greater than 0.2mm; Roughness reaches Ra0.4 after the roll extrusion, and the rolling screw-threads equipment before using can't be realized.So, must develop a kind of thread rolling tool that is applicable to the major diameter coarse pitch.
Summary of the invention
The utility model provides for solving the technical problem that exists in the known technology that a kind of rigidity is strong, rolling pressure big, roll extrusion pitch is adjustable, lead angle self adaptation, rolling pressure can be controlled, not need special equipment, no material consumption, and the rolling screw-threads specific purpose tool that processing cost is low, consumed power is little.
The technical scheme that the utility model is taked for the technical problem that exists in the solution known technology is: a kind of rolling screw-threads specific purpose tool; It is characterized in that: comprise support body; Two quiet push-rod assemblies and a moving push-rod assembly are installed on the said support body; Said quiet push-rod assembly comprises that the gap is sleeved on that sliding sleeve, an end on the support body is inserted on the sliding sleeve and quiet push rod that can rotate around axis and the quiet roller that is installed in the said quiet push rod other end; Be provided with thrust bearing between said sliding sleeve and the quiet push rod; Be provided with between said sliding sleeve and the support and be used for sliding sleeve is fixed on the securing member on the support, said quiet push rod is connected through being used to limit the axially movable screw of quiet push rod with the rear portion of sliding sleeve, has the integral type roller bearing on the said quiet roller; Said moving push-rod assembly comprises the moving push rod that is inserted on the support body and can rotates around axis, and an end of said moving push rod is installed the moving roller with integral type roller bearing, and the other end of moving push rod contacts with the lever sphere of hydraulic jack on being arranged on support body; Said two moving rollers and a quiet roller are isosceles triangle and distribute, and two moving rollers are positioned on two base angles of isosceles triangle.
The utility model can also adopt following technical scheme:
The said securing member that is used for sliding sleeve is fixed on the support is the screw that is installed on the sliding sleeve.
Said quiet roller is installed on the quiet push rod through taper roll bearing; Said moving roller is installed on the moving push rod through taper roll bearing.
Interval 6mm between said quiet roller place horizontal plane and the moving roller place horizontal plane.
Said support body is the shaped as frame structure that low-alloy steel is processed.
Said moving roller and quiet roller and process by high-carbon-chromium bearing steel with the roller shaft of its integral type.
Advantage and the good effect that the utlity model has are: because the utility model adopts as above technical scheme; Promptly comprise the support body that low-carbon alloy steel constitutes, support body is the shaped as frame structure, and the rigidity of support body is strong; Has bigger roll extrusion drag; And under powerful pressure, can produce micro-deformation, store the roll extrusion energy, make the roll extrusion process of instrument steady; Moving roller and quiet roller and process by high-carbon-chromium bearing steel with the roller shaft of its integral type have effectively improved the support strength of roller, and roller diameter is suitably reduced, thereby reduces the roll extrusion contact area, has increased roll extrusion pressure with this; Moving push rod and quiet push rod all can rotate around its axis, and moving roller and the deflection automatically under pressure of quiet roller realize roller lead angle self adaptation with this; The sliding sleeve gap is sleeved on the support body; Be installed in the securing member on the sliding sleeve through adjustment; Can regulate three relative positions between roller, and interval 6mm between quiet roller place horizontal plane and the moving roller place horizontal plane, instrument can meet for the pitch requirement of workpiece and adjustable; Hydraulic jack can be controlled the pressure of moving push-rod assembly as requested.Except that above-mentioned advantage, this instrument also has no material consumption, processing cost is low, consumed power is little advantage.
Description of drawings
Fig. 1 is the structural representation of the utility model;
Fig. 2 is the cutaway view of Fig. 1.
Among the figure: 1, support body; 2, quiet push-rod assembly; 2-1, sliding sleeve; 2-1-1, C shape plate body; 2-1-2, cover plate; 2-2, quiet push rod; 2-3, quiet roller; 2-4, thrust bearing; 2-5, screw; 3, moving push-rod assembly; 3-1, moving push rod; 3-2, moving roller; 4, hydraulic jack.
The specific embodiment
For further understanding summary of the invention, characteristics and the effect of the utility model, the following examples of giving an example now, and conjunction with figs. specifies as follows:
See also Fig. 1 and Fig. 2, a kind of rolling screw-threads specific purpose tool.Comprise support body 1, two quiet push-rod assemblies 2 and a moving push-rod assembly 3 are installed on the support body 1, movable moving push-rod assembly 3 can carry out 3 clampings with workpiece to be processed between moving push-rod assembly 3 and quiet push-rod assembly 2, for rolled thread action is afterwards prepared.The shaped as frame structure that support body 1 is processed for low-alloy steel, not only rigidity is strong, can bear bigger roll extrusion drag, and under powerful pressure, can produce micro-deformation, stores the roll extrusion energy, makes the roll extrusion process of instrument steady.
Quiet push-rod assembly 2 comprises that the gap is sleeved on that sliding sleeve 2-1, an end on the support body 1 is inserted into that sliding sleeve 2-1 goes up and quiet push rod 2-2 that can rotate around axis and the quiet roller 2-3 that is installed in the said quiet push rod 2-2 other end.In the present embodiment, the rectangle body that sliding sleeve 2-1 is made up of C shape plate body 2-1-1 and cover plate 2-1-2, cover plate 2-1-2 utilize screw to be connected with C shape plate 2-1-1.Be provided with thrust bearing 2-4 between sliding sleeve 2-1 and the quiet push rod 2-2, thrust bearing 2-4 can guarantee that quiet push rod 2-2 can smooth and easyly rotate, and realizes roller lead angle self adaptation with this under bigger axial compressive force effect.Be provided with between sliding sleeve 2-1 and the support 1 and be used for sliding sleeve 2-1 is fixed on the securing member on the support 1; Securing member is screw 2-5; In the present embodiment; The top and bottom of the C shape plate 2-1-1 of sliding sleeve 2-1 respectively are uniformly distributed with 4 screw 2-5, and unscrewing screw 2-5 can finely tune the position of quiet push-rod assembly 2 on support 1.Quiet push rod 2-2 is connected through being used to limit the axially movable screw of quiet push rod with cover plate 2-1-2, has the integral type roller bearing on the quiet roller 2-3.
Moving push-rod assembly 3 comprises the moving push rod 3-1 that is inserted on the support body 1 and can rotates around axis; The end of moving push rod 3-1 is installed the moving roller 3-2 with integral type roller bearing; The other end of moving push rod 3-1 contact with the lever sphere of hydraulic jack 4 on being arranged on support body 1, but makes moving push rod 3-1 to rotate the adaptation lead angle under pressure easily around its axle; In the present embodiment, the contact jaw of the lever of moving push rod 3-1 and hydraulic jack 4 is a cambered surface.Hydraulic jack 4 can promote moving push rod 3-1, so that moving push rod moves and compress workpiece to be processed along its axis.
Above-mentioned two moving rollers and quiet roller are isosceles triangle and distribute, and two moving rollers are positioned on two base angles of isosceles triangle, and workpiece to be processed is pressed between roller and moving roller.In the present embodiment, above-mentioned isosceles triangle is that the base angle is 75 ° a isosceles triangle, and making a concerted effort of three pair of rollers pipe pressures is zero.
Above-mentioned moving roller and quiet roller and process by high-carbon-chromium bearing steel with the roller shaft of its integral type can effectively improve the support strength of roller, and roller diameter is suitably reduced, thereby reduces the roll extrusion contact area, increases roll extrusion pressure with this.Interval 6mm between quiet roller place horizontal plane and the moving roller place horizontal plane, instrument can meet for the pitch requirement of workpiece and adjustable.
Claims (6)
1. rolling screw-threads specific purpose tool; It is characterized in that: comprise support body; Two quiet push-rod assemblies and a moving push-rod assembly are installed on the said support body; Said quiet push-rod assembly comprises that the gap is sleeved on that sliding sleeve, an end on the support body is inserted on the sliding sleeve and quiet push rod that can rotate around axis and the quiet roller that is installed in the said quiet push rod other end, be provided with thrust bearing between said sliding sleeve and the quiet push rod, is provided with between said sliding sleeve and the support to be used for sliding sleeve is fixed on the securing member on the support; Said quiet push rod is connected through being used to limit the axially movable screw of quiet push rod with the rear portion of sliding sleeve, has the integral type roller bearing on the said quiet roller; Said moving push-rod assembly comprises the moving push rod that is inserted on the support body and can rotates around axis, and an end of said moving push rod is installed the moving roller with integral type roller bearing, and the other end of moving push rod contacts with the lever sphere of hydraulic jack on being arranged on support body; Said two moving rollers and a quiet roller are isosceles triangle and distribute, and two moving rollers are positioned on two base angles of isosceles triangle.
2. rolling screw-threads specific purpose tool according to claim 1 is characterized in that: the said securing member that is used for sliding sleeve is fixed on the support is the screw that is installed on the sliding sleeve.
3. rolling screw-threads specific purpose tool according to claim 1 is characterized in that: said quiet roller is installed on the quiet push rod through taper roll bearing; Said moving roller is installed on the moving push rod through taper roll bearing.
4. rolling screw-threads specific purpose tool according to claim 1 is characterized in that: interval 6mm between said quiet roller place horizontal plane and the moving roller place horizontal plane.
5. rolling screw-threads specific purpose tool according to claim 1 is characterized in that: said support body is the shaped as frame structure that low-alloy steel is processed.
6. rolling screw-threads specific purpose tool according to claim 1 is characterized in that: said moving roller and quiet roller and process by high-carbon-chromium bearing steel with the roller shaft of its integral type.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120392782XU CN202278133U (en) | 2011-10-14 | 2011-10-14 | Special tool for thread rolling |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120392782XU CN202278133U (en) | 2011-10-14 | 2011-10-14 | Special tool for thread rolling |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202278133U true CN202278133U (en) | 2012-06-20 |
Family
ID=46224319
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201120392782XU Expired - Fee Related CN202278133U (en) | 2011-10-14 | 2011-10-14 | Special tool for thread rolling |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202278133U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103660817A (en) * | 2012-09-13 | 2014-03-26 | 理研精工股份有限公司 | Traction hook |
| CN106424490A (en) * | 2016-11-29 | 2017-02-22 | 四川凌峰航空液压机械有限公司 | Cold-rolling thread forming cutter |
| CN110496867A (en) * | 2019-08-24 | 2019-11-26 | 郑州市立峰工贸有限公司 | Triangle profile stick processing unit (plant) |
| CN117943494A (en) * | 2024-03-22 | 2024-04-30 | 常州富丽康精密机械有限公司 | Rolling equipment with force feedback function for cold-rolled screw rod production |
-
2011
- 2011-10-14 CN CN201120392782XU patent/CN202278133U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103660817A (en) * | 2012-09-13 | 2014-03-26 | 理研精工股份有限公司 | Traction hook |
| CN106424490A (en) * | 2016-11-29 | 2017-02-22 | 四川凌峰航空液压机械有限公司 | Cold-rolling thread forming cutter |
| CN110496867A (en) * | 2019-08-24 | 2019-11-26 | 郑州市立峰工贸有限公司 | Triangle profile stick processing unit (plant) |
| CN117943494A (en) * | 2024-03-22 | 2024-04-30 | 常州富丽康精密机械有限公司 | Rolling equipment with force feedback function for cold-rolled screw rod production |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120620 Termination date: 20131014 |