CN101108402A - Symmetrical centring mechanism of spin-forging machine spinning roller - Google Patents
Symmetrical centring mechanism of spin-forging machine spinning roller Download PDFInfo
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- CN101108402A CN101108402A CNA2007100497781A CN200710049778A CN101108402A CN 101108402 A CN101108402 A CN 101108402A CN A2007100497781 A CNA2007100497781 A CN A2007100497781A CN 200710049778 A CN200710049778 A CN 200710049778A CN 101108402 A CN101108402 A CN 101108402A
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- spinning roller
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Abstract
The invention discloses a symmetrical centering mechanism of a spinning-wheel frame body of a flow forming machine. The hollow core in the spinning-wheel frame body is an exact-round structure, the centre of the hollow core is the structural centre of the spinning-wheel frame body; a 120 degree angle is formed between the connection lines of each centre of the three spinning wheels and the structural centre of the spinning-wheel frame body; the distances between each centre of the three spinning wheels and each structural centre of the spinning-wheel frame body are the same; the revolving central line of the spindle passes through the structural center of the spinning-wheel frame body. All the revolving centre of the spindle and the orbit centre of relative movement formed under operation of the three spinning wheels are adjusted based on the structural centre of the spinning-wheel frame body. As the structural centre of the spinning-wheel frame body can realize higher accuracy by machining, the adjustment of the concentric accuracy for the invention is more convenient and accurate, so that the load of each spinning wheel of the machine is even under operation, the synchronous controlling accuracy is improved effectively and the processing quality is improved.
Description
Technical field
The present invention relates to a kind of spinning machine, relate in particular to a kind of symmetrical centering machine of three spinning roller power spinning machine spinning roller support bodys.
Background technology
Rotary pressure technology is as a kind of method of manufacturing technology of part forming, now being applied in auto industry, construction machinery industry and the military enterprise more and more widely.Use rotary pressure technology and can produce more, can effectively improve the intensity of material, shorten machining period, enhance productivity, and the development that manufactures and designs of spinning machine is the prerequisite and the basis of rotary pressure technology development near the product of part net shape.
Three spinning roller shear spinning plant machinery part mainly is made up of parts such as main shaft, spinning roller frame, tail top, lathe beds, the spinning roller frame can axially-movable on lathe bed, under the duty, the relative movement orbit center that forms under the three spinning roller duties should guarantee very high homogeneity with the centre of gyration of main shaft, could guarantee to process qualified spinning part.How to guarantee that the relative movement orbit center that forms under the three spinning roller duties should become one of key point in equipment design, the processing and manufacturing with the homogeneity at main shaft gyration center.
The spinning roller frame inside of existing power spinning machine is polygon, the frame structure center is a desired center, the adjustment of axiality can only realize by the position (promptly changing the track center of the relative motion that forms under the three spinning roller duties) of adjusting three spinning rollers, and to reach difficulty of very high axiality by structural adjustment, so machining accuracy and quality are not ideal enough, but also may damage spinning roller and main shaft because of unbalance stress, shorten the life-span of complete machine.
Summary of the invention
The symmetrical centering machine of purpose of the present invention with regard to being to provide a kind of power spinning machine spinning roller support body for addressing the above problem, this mechanism can allow the relative movement orbit center that forms under the three spinning roller duties and the centre of gyration of main shaft guarantee very high homogeneity.
The present invention realizes above-mentioned purpose in the following manner:
The hollow of spinning roller support body inside is positive circular configuration, and described hollow center is the structure centre of spinning roller support body; Be mutually 120 degree angles between the connecting line of each center of three spinning rollers of power spinning machine and the structure centre of spinning roller support body, each center of three spinning rollers of power spinning machine equates with distance between the structure centre of spinning roller support body; The main shaft gyration center line of power spinning machine is through the structure centre of spinning roller support body.According to the processing technology of spinning roller frame, make design basis (promptly the intersection point with 120 ° of equally distributed three spinning roller directions of motion is the interior circle in the center of circle) consistent with technological datum, made things convenient for the manufacturing, installation and precision adjustment like this.
In power spinning machine when work,, main shaft drives the center line rotation of workpiece around main shaft, and spinning roller is workpiece pressing under the effect of hydraulic pressure, and with main shaft be that direction moves axially, forcing workpiece deformation is required product.In this process, the homogeneity at the relative movement orbit center that forms under the centre of gyration of main shaft and the three spinning roller duties is high more, and institute's product processed is standard just more, and the suffered extruding force of main shaft and three spinning rollers balance more just.The adjustment at the relative movement orbit center that forms under the centre of gyration of main shaft, the three spinning roller duties among the present invention is a foundation with spinning roller frame structure center all, because higher precision can be realized by machining in spinning roller support body center, so concentricity precision of the present invention adjusting is more convenient, accurate.
Beneficial effect of the present invention is:
Owing to can make the very high homogeneity of centre of gyration assurance of the relative movement orbit center that forms under the three spinning roller duties and main shaft by the present invention, each spinning roller of power spinning machine descends load even in working order, so, with having used power spinning machine of the present invention to come processing work, can obviously improve the quality of products, reduce useless part, reduce cost, and can avoid each spinning roller and main shaft impaired because of unbalance stress, prolonged the life-span of power spinning machine.
Description of drawings
Fig. 1 is a perspective view of the present invention;
Fig. 2 is the structural representation of spinning roller frame among the present invention.
The specific embodiment
The invention will be further described below in conjunction with accompanying drawing:
As depicted in figs. 1 and 2, the hollow of spinning roller support body 5 inside is positive circular configuration, and described hollow center is the structure centre 9 of spinning roller support body 5; Be mutually 120 degree angles between the connecting line of each center of three spinning rollers 2 of power spinning machine and the structure centre 9 of spinning roller support body 5, each center of three spinning rollers 2 of power spinning machine equates with distance between the structure centre 9 of spinning roller support body 5; The centre of gyration line of the main shaft 1 of power spinning machine is through the structure centre 9 of spinning roller support body 5.According to the processing technology of spinning roller support body 5, make design basis (promptly the intersection point with 120 ° of equally distributed three spinning roller directions of motion is the interior circle in the center of circle) consistent with technological datum, made things convenient for the manufacturing, installation and precision adjustment like this.
As shown in Figure 1, all parts are installed on the support 8, during power spinning machine work, (workpiece does not draw among the figure with workpiece for main shaft 1 and tail top 6, can imagine its position) clamp, main shaft 1 drives the center line rotation of workpiece around main shaft 1, and spinning roller 2 is workpiece pressing under the effect of the hydraulic pressure that oil cylinder 3 is provided, and with main shaft 1 be that direction moves axially, forcing workpiece deformation is required product.In this process, the homogeneity at the relative movement orbit center that forms under the centre of gyration of main shaft 1 and three spinning roller 2 duties (because the rotation of main shaft 1 can be regarded the relative rotation of spinning roller 2 as) is high more, institute's product processed is standard just more, and the suffered extruding force of main shaft and three spinning rollers balance more just.As shown in Figure 2, the adjustment at the relative movement orbit center that forms under the centre of gyration of main shaft 1, three spinning roller 2 duties is a foundation with the structure centre 9 of spinning roller support body 5 all, because the structure centre 9 of spinning roller support body 5 can realize higher precision by machining, so concentricity precision of the present invention adjusting is more convenient, accurate.
Claims (1)
1. the symmetrical centering machine of a power spinning machine spinning roller support body is characterized in that: described spinning roller support body inside hollow is positive circular configuration, and described hollow center is the structure centre of spinning roller support body; Be mutually 120 degree angles between the connecting line of each center of three spinning rollers of power spinning machine and the structure centre of spinning roller support body, each center of three spinning rollers of power spinning machine equates with distance between the structure centre of spinning roller support body; The main shaft gyration center line of power spinning machine is through the structure centre of spinning roller support body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2007100497781A CN101108402A (en) | 2007-08-17 | 2007-08-17 | Symmetrical centring mechanism of spin-forging machine spinning roller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2007100497781A CN101108402A (en) | 2007-08-17 | 2007-08-17 | Symmetrical centring mechanism of spin-forging machine spinning roller |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101108402A true CN101108402A (en) | 2008-01-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2007100497781A Pending CN101108402A (en) | 2007-08-17 | 2007-08-17 | Symmetrical centring mechanism of spin-forging machine spinning roller |
Country Status (1)
| Country | Link |
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| CN (1) | CN101108402A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108144997A (en) * | 2016-06-02 | 2018-06-12 | 昆山科森科技股份有限公司 | The forming jig of catheter tube for medical treatment |
-
2007
- 2007-08-17 CN CNA2007100497781A patent/CN101108402A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108144997A (en) * | 2016-06-02 | 2018-06-12 | 昆山科森科技股份有限公司 | The forming jig of catheter tube for medical treatment |
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| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
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