CN202028724U - Handpiece structure of deformed steel bar thread rolling machine - Google Patents
Handpiece structure of deformed steel bar thread rolling machine Download PDFInfo
- Publication number
- CN202028724U CN202028724U CN2011200068330U CN201120006833U CN202028724U CN 202028724 U CN202028724 U CN 202028724U CN 2011200068330 U CN2011200068330 U CN 2011200068330U CN 201120006833 U CN201120006833 U CN 201120006833U CN 202028724 U CN202028724 U CN 202028724U
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- axis
- screw
- thread
- cylindrical die
- die roll
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- 238000005096 rolling process Methods 0.000 title claims abstract description 28
- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 9
- 239000010959 steel Substances 0.000 title claims abstract description 9
- 238000003754 machining Methods 0.000 description 7
- 238000000034 method Methods 0.000 description 5
- 210000003205 muscle Anatomy 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 4
- 239000002184 metal Substances 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000005097 cold rolling Methods 0.000 description 1
- 230000000881 depressing effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000001012 protector Effects 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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Abstract
The utility model discloses a handpiece structure of a deformed steel bar thread rolling machine. The handpiece structure comprises a cutter head body (1), a positioning disc (2), a thread rolling wheel (3) and a thread rolling wheel shaft (4), wherein the thread rolling wheel (3) is fixed on the thread rolling wheel shaft (4) between the cutter head body (1) and the positioning disc (2); and the axis of the thread rolling wheel (3) and the axis of a processed workpiece (6) form an included angle alpha. The handpiece structure has the advantages of slow wear of the thread rolling wheel, high thread processing accuracy and labor-saving operation.
Description
Technical field
The utility model relates to metal cold rolling technology field, relates in particular to a kind of screw-rolling machine, specifically is a kind of screw-thread steel screw-rolling machine handpiece structure.
Background technology
Screw-rolling machine is to adopt the ripping rib and rolling depressing advanced technologies to come the machine of machining screw, and fine and close continuously through the threaded metal fiber of screw-rolling machine machine-shaping, comprehensive mechanical property is good.
The head of existing screw-rolling machine generally comprises stripping flank and rolled thread part, wherein rolled thread partly comprises cutter head, positioning disk, cylindrical die roll and rolled thread wheel shaft, described cylindrical die roll and rolled thread wheel shaft respectively have three and be evenly distributed on cutter head and positioning disk between, form cavity between described three cylindrical die rolls, be used for placing workpiece to be processed in the described cavity, rolled thread muscle between described three cylindrical die rolls stagger mutually 1/3rd the circle screw threads height, adding man-hour, workpiece rotates and enters between the cylindrical die roll with the speed of setting, and processes required screw thread under the extruding of three cylindrical die rolls on workpiece.
In traditional screw-rolling machine handpiece structure, the axis of cylindrical die roll is parallel with the axis of workpiece to be processed, because the rolled thread muscle on the cylindrical die roll is not for there being the annulus of lead angle one by one, and the screw thread that processes has certain helical angle, thereby adding man-hour is because the feeding gradually of workpiece squeezes out screw thread on workpiece, on this processing mode cylindrical die roll between the rolled thread muscle and the screw thread that will process contact-ratio lower, thereby make that the wearing and tearing of cylindrical die roll are very fast, also influenced simultaneously the precision of machining screw, on the other hand, import by force because of relying on manually when feeding at first, operation is more required great effort.
The utility model content
The technical problems to be solved in the utility model is, provides that a kind of cylindrical die roll wearing and tearing are slow, accuracy of screw machining is higher, the screw-thread steel screw-rolling machine handpiece structure of rapid operation.
Technical solution of the present utility model provides following a kind of screw-rolling machine handpiece structure, comprise cutter head, positioning disk, cylindrical die roll and rolled thread wheel shaft, cylindrical die roll is fixed on the rolled thread wheel shaft between cutter head and the positioning disk, and the axis of described cylindrical die roll and the axis of processing work form angle α.
After adopting above scheme, angle α will be formed in the utility model screw-rolling machine handpiece structure between the axis of the axis of cylindrical die roll and processing work, raising contact-ratio of rolled thread muscle and screw thread on the cylindrical die roll in the screw thread process, contact-ratio helps improving the intensity of screw thread and makes the cylindrical die roll wearing and tearing slow down preferably, prolonged service life, simultaneously, the machining accuracy of screw thread also is improved, and obviously laborsaving when operation.
As preferably, described angle α is not more than the twice of thread helix angle β, and suitable angle α helps improving the contact-ratio of cylindrical die roll and screw thread, thereby improves the precision and the efficient of screw thread processing and prolong life-span of cylindrical die roll.
Better, described angle α equals thread helix angle β, angle α equals thread helix angle β can make the contact-ratio of cylindrical die roll and screw thread reach maximum, thereby can improve the precision and the efficient of screw thread processing to greatest extent and prolong life-span of cylindrical die roll, rapid operation.
As preferably, also comprise eccentric bushing, the two ends of described rolled thread wheel shaft are spacing between cutter head and positioning disk by two eccentric bushings respectively, described eccentric bushing has centre bore and outer ring, the axis of outer ring is parallel with the axis of workpiece, centre bore is used to install the rolled thread wheel shaft, and the axis of centre bore and outer ring forms angle α.
In this optimal way, because the axis of the outer ring of eccentric bushing is parallel with the axis of workpiece, centre bore is used to install the rolled thread wheel shaft, cylindrical die roll is enclosed within on the rolled thread wheel shaft, thereby the axis of rolled thread wheel shaft is parallel with the axis of cylindrical die roll, thereby can extrapolate angle between the axis that angle between the axis of the axis of cylindrical die roll and workpiece equals centre bore and outer ring in the eccentric bushing, the axis of centre bore in the eccentric bushing and outer ring is formed angle α, can guarantee that the angle between the axis of the axis of cylindrical die roll and workpiece is α, thereby adopt two eccentric bushings can guarantee effectively that the axis of cylindrical die roll and the axis of processing work form angle α, simple in structure, be convenient to implement.
Description of drawings
Fig. 1 is the schematic diagram of the utility model screw-rolling machine handpiece structure.
Fig. 2 is the eccentric bushing front view.
Fig. 3 is an A-A cutaway view among Fig. 2.
Shown in the figure:
1, cutter head, 2, positioning disk, 3, cylindrical die roll, 4, the rolled thread wheel shaft, 5, eccentric bushing, 5.1, centre bore, 5.2, the outer ring, 6, workpiece.
The specific embodiment
The specific embodiment of the present utility model is described in detail the technical solution of the utility model for better illustrating below in conjunction with accompanying drawing.
As accompanying drawing 1 to as shown in the accompanying drawing 3, a kind of screw-rolling machine handpiece structure, comprise cutter head 1, positioning disk 2, cylindrical die roll 3 and rolled thread wheel shaft 4, cylindrical die roll 3 is fixed on the rolled thread wheel shaft 4 between cutter head 1 and the positioning disk 2, the axis of the axis of described cylindrical die roll 3 and processing work 6 forms angle α, also comprise eccentric bushing 5, the two ends of described rolled thread wheel shaft 4 are spacing between cutter head 1 and positioning disk 2 by two eccentric bushings 5 respectively, described eccentric bushing has centre bore 5.1 and outer ring 5.2, the axis of outer ring 5.2 is parallel with the axis of workpiece, centre bore 5.1 be used to install rolled thread wheel shaft 4, centre bore 5.1 forms angle α with the axis of outer ring 5.2, and described angle α equals thread helix angle β.
More specifically, the helixangle of screw thread will be on workpiece 6 to be processed is 2 °, screw-rolling machine handpiece structure described in the utility model, comprise cutter head 1, positioning disk 2, cylindrical die roll 3 and rolled thread wheel shaft 4, cylindrical die roll 3 is fixed on the rolled thread wheel shaft 4 between cutter head 1 and the positioning disk 2, also comprise eccentric bushing 5, the two ends of described rolled thread wheel shaft 4 are spacing between cutter head 1 and positioning disk 2 by two eccentric bushings 5 respectively, described eccentric bushing has centre bore 5.1 and outer ring 5.2, the axis of outer ring 5.2 is parallel with the axis of workpiece, centre bore 5.1 be used to install rolled thread wheel shaft 4, the angle that the axis of centre bore 5.1 and outer ring 5.2 forms is 2 °, and the axis that can guarantee cylindrical die roll 3 like this is 2 ° with the angle of the axis formation of processing work 6.
In use, because the angle of the axis of cylindrical die roll 3 and the axis of processing work 6 is 2 °, because the helical angle of the screw thread that will process on workpiece 6 also is 2 °, adding man-hour like this, the contact-ratio of the rolled thread muscle of cylindrical die roll 3 and the screw thread of machining screw will improve greatly, thereby the cylindrical die roll wearing and tearing are slow, accuracy of screw machining is higher.
At this, also should illustrate, only detailed presentations has partly been done in the rolled thread in the screw-rolling machine head in the present embodiment, but be not limited to said structure in the screw-rolling machine head, such as also can being provided with protector, manually or automatic pilot etc.
In the above-described embodiments, a kind of preferred forms of the utility model is described, obviously, under inventive concept of the present utility model, still can make a lot of changes and improvements, as for guaranteeing that cylindrical die roll 3 and workpiece 6 form certain angle man-hour adding, also cylindrical die roll 3 can be adopted such as technologies such as welding cylindrical die roll 3 and cutter head 1 and positioning disk 2 are welded as a whole, the angle between the axis of the axis of and for example described cylindrical die roll 3 and workpiece 6 can allow to fluctuate in the machining screw helical angle owing to manufacturing tolerance.At this, should illustrate that any change of being made all will fall in the protection domain of the present utility model under inventive concept of the present utility model.
Claims (4)
1. screw-thread steel screw-rolling machine handpiece structure, comprise cutter head (1), positioning disk (2), cylindrical die roll (3) and rolled thread wheel shaft (4), cylindrical die roll (3) is fixed on the rolled thread wheel shaft (4) between cutter head (1) and the positioning disk (2), it is characterized in that: the axis of the axis of described cylindrical die roll (3) and processing work (6) forms angle α.
2. screw-thread steel screw-rolling machine handpiece structure according to claim 1, it is characterized in that: described angle α is not more than the twice of thread helix angle β.
3. screw-thread steel screw-rolling machine handpiece structure according to claim 1 is characterized in that: described angle α equals thread helix angle β.
4. screw-thread steel screw-rolling machine handpiece structure according to claim 1, it is characterized in that: comprise eccentric bushing (5), the two ends of described rolled thread wheel shaft (4) are spacing between cutter head (1) and positioning disk (2) by two eccentric bushings (5) respectively, described eccentric bushing has centre bore (5.1) and outer ring (5.2), the axis of outer ring (5.2) is parallel with the axis of workpiece, centre bore (5.1) be used to install rolled thread wheel shaft (4), centre bore (5.1) forms angle α with the axis of outer ring (5.2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200068330U CN202028724U (en) | 2011-01-12 | 2011-01-12 | Handpiece structure of deformed steel bar thread rolling machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200068330U CN202028724U (en) | 2011-01-12 | 2011-01-12 | Handpiece structure of deformed steel bar thread rolling machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202028724U true CN202028724U (en) | 2011-11-09 |
Family
ID=44891036
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011200068330U Expired - Fee Related CN202028724U (en) | 2011-01-12 | 2011-01-12 | Handpiece structure of deformed steel bar thread rolling machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202028724U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105499451A (en) * | 2016-01-05 | 2016-04-20 | 江苏赫夫特齿轮制造有限公司 | Novel thread rolling machine for deformed steel bar used in building |
| CN105934294A (en) * | 2013-12-17 | 2016-09-07 | Lmt菲特工具技术有限责任两合公司 | Thread rolling head |
-
2011
- 2011-01-12 CN CN2011200068330U patent/CN202028724U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105934294A (en) * | 2013-12-17 | 2016-09-07 | Lmt菲特工具技术有限责任两合公司 | Thread rolling head |
| CN105934294B (en) * | 2013-12-17 | 2018-04-03 | Lmt菲特工具技术有限责任两合公司 | Die head with cylindrical-die roller |
| CN105499451A (en) * | 2016-01-05 | 2016-04-20 | 江苏赫夫特齿轮制造有限公司 | Novel thread rolling machine for deformed steel bar used in building |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: CUI YINGYING Free format text: FORMER OWNER: HANGZHOU LISHI MACHINERY CO., LTD. Effective date: 20140716 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 311121 HANGZHOU, ZHEJIANG PROVINCE TO: 311122 HANGZHOU, ZHEJIANG PROVINCE |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20140716 Address after: Hangzhou City, Zhejiang province 311122 Leisure Town Yuhang Kiln Bridge Xianlin Road No. 34 building 3 room 1-102 Patentee after: Cui Yingying Address before: Zhu damiaocun Yuhang District of Hangzhou city in Zhejiang province 311121 changqian Patentee before: Hangzhou Lishi Machinery Co., Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20111109 Termination date: 20170112 |