CN203209599U - Double-line steel bar rolling straight thread rolling head - Google Patents
Double-line steel bar rolling straight thread rolling head Download PDFInfo
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- CN203209599U CN203209599U CN 201320171880 CN201320171880U CN203209599U CN 203209599 U CN203209599 U CN 203209599U CN 201320171880 CN201320171880 CN 201320171880 CN 201320171880 U CN201320171880 U CN 201320171880U CN 203209599 U CN203209599 U CN 203209599U
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- thread
- axis
- thread rolling
- cylindrical die
- die roll
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Abstract
The utility model discloses a double-line steel bar rolling straight thread rolling head and belongs to the field of steel bar rolling straight thread machine tools. The double-line steel bar rolling straight thread rolling head comprises three groups of thread rolling head assemblies, wherein each thread rolling head assembly comprises a thread rolling wheel and a split thread rolling wheel carrier. The thread rolling wheel is installed on the split thread rolling wheel carrier, the split thread rolling wheel carrier supports and is used for adjusting the thread rolling wheel and comprises a straight shaft, a shaft sleeve, a slide block, an eccentric shaft sleeve, a screw and pin. An eccentric angle of the eccentric shaft sleeve is twice as large as the same specification of a single-line thread helix angle, and the offset amount of the thread rolling wheel is one third of the helical pitch. By adopting the double-line steel bar rolling straight thread rolling head, double-line threads can be rolled, and the problem that a steel bar connection rolling straight thread machine tool in the prior art cannot machine the double-line threads is solved.
Description
Technical field
The utility model relates to the building machinery field, and particularly a kind of two-wire rolling bar straight thread Thread rolling head is used for double thread processing.
Background technology
Building trade adopts rolling bar straight thread machine tooling hot rolled ribbed steel bar and plain bar usually.
The rolling straight thread of reinforcing bar connection at present lathe can only be processed single thread.To connect speed of application slow and single thread connects relative double thread.
Lathe can be processed double thread if reinforcing bar connects rolling straight thread, and reinforcing steel bar connecting sleeve tube also adopts double thread, connects at reinforcing bar so to screw that speed of application will double in the process.Therefore be badly in need of a kind ofly can realizing two-wire rolling bar straight thread Thread rolling head.
The utility model content
Have the problem that can't utilize reinforcing bar to connect rolling straight thread machine tooling double thread in order to solve prior art, the utility model embodiment provides a kind of two-wire rolling bar straight thread Thread rolling head, can the rolling double thread.Described technical scheme is as follows:
A kind of two-wire rolling bar straight thread Thread rolling head, described two-wire rolling bar straight thread Thread rolling head comprises three groups of cylindrical die roll assemblies, every group of cylindrical die roll assembly comprises cylindrical die roll and split type rolled thread wheel carrier, described cylindrical die roll and being installed on the described split type rolled thread wheel carrier, described split type rolled thread wheel carrier supports and regulates described cylindrical die roll, described split type rolled thread wheel carrier comprises: d-axis, axle sleeve, slide block, excentric sleeve, screw and pin, described axle sleeve is socketed in the middle part of described d-axis, the two ends of described d-axis are overlapped in turn from the inside to the outside and are followed described excentric sleeve and described slide block, described screw passes described slide block and described excentric sleeve is replaced on described d-axis and with three's relative fixed, described pin embeds described slide block, wherein, the eccentric angle of described excentric sleeve is the twice of same specification single thread lead angle, and the side-play amount of described cylindrical die roll is 1/3rd of helical pitch.
Particularly, described axle sleeve and described cylindrical die roll interference fit, described axle sleeve and described d-axis matched in clearance.
Particularly, the two ends of described d-axis are provided with step, the described relatively d-axis of the step center symmetry at described d-axis two ends.
Particularly, described d-axis is small in ends broad in the middle.
Particularly, the length of described d-axis mid portion is slightly longer than described cylindrical die roll thickness.
Further, the outer peripheral face at described d-axis both ends is respectively equipped with the spill plane, and described screw is replaced on described spill plane.
Particularly, the outer peripheral face of each end of described d-axis is respectively equipped with two spill planes, and the described screw number corresponding with each end of described d-axis is two.
Particularly, described axle sleeve is oilless bushing.
Particularly, described screw is interior hexagonal holding screw.
Particularly, described pin is straight pin.
The beneficial effect that the technical scheme that the utility model embodiment provides is brought is:
Adopt the utility model processing same specification screw thread, the twice of same specification single thread lead angle is set by the eccentric angle with eccentric bushing, by adjusting the position offset of split type rolled thread wheel carrier and then adjustment cylindrical die roll, making side-play amount is 1/3rd of helical pitch, get final product the rolling double thread, solved prior art and can't utilize reinforcing bar to connect the problem of rolling straight thread machine tooling double thread.
Description of drawings
In order to be illustrated more clearly in the technical scheme among the utility model embodiment, the accompanying drawing of required use is done to introduce simply in will describing embodiment below, apparently, accompanying drawing in describing below only is embodiment more of the present utility model, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the front view of the two-wire rolling bar straight thread Thread rolling head that provides of the utility model embodiment;
Fig. 2 is the vertical view of Fig. 1;
Fig. 3 is the left view of Fig. 1.
Each symbolic representation implication is as follows among the figure:
1 cylindrical die roll, 2 axle sleeves, 3 screws, 4 d-axis, 5 excentric sleeves, 6 slide blocks, 7 spill planes, 8 pins, α lead angle.
The specific embodiment
For making the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with accompanying drawing the utility model embodiment is described in further detail.
As shown in Figure 2, the utility model provides a kind of two-wire rolling bar straight thread Thread rolling head, also can be referring to Fig. 1 and Fig. 3, present embodiment is main being illustrated with Fig. 2, the described two-wire rolling bar of described two-wire rolling bar straight thread Thread rolling head straight thread Thread rolling head comprises three groups of cylindrical die roll assemblies, every group of cylindrical die roll assembly comprises cylindrical die roll 1 and split type rolled thread wheel carrier, described cylindrical die roll 1 and being installed on the described split type rolled thread wheel carrier, described split type rolled thread wheel carrier supports and regulates cylindrical die roll 1, described split type rolled thread wheel carrier comprises: d-axis 4, axle sleeve 2, slide block 6, excentric sleeve 5, screw 3 and pin 8, described axle sleeve 2 is socketed in the middle part of described d-axis 4, the two ends of described d-axis 4 are overlapped in turn from the inside to the outside and are followed described excentric sleeve 5 and described slide block 6, described screw 3 passes described slide block 6 and described excentric sleeve 5 is replaced on described d-axis 4 and with three's relative fixed, described pin 8 embeds described slide block 6, wherein, the eccentric angle of described excentric sleeve 5 is twices of same specification single thread lead angle α, and the side-play amount of described cylindrical die roll 1 is 1/3rd of helical pitch.
For through the cutting Ribbed Bar, cut the position and be in circular state, adopt three-axis structure can guarantee centering, so reinforcing bar cutting rib Thread rolling head all adopt three cylindrical die roll 1 structures.Adopt the utility model processing same specification screw thread, the twice of same specification single thread lead angle is set by the eccentric angle with eccentric bushing, by adjusting the position offset of 1 of split type cylindrical die roll and then adjustment cylindrical die roll 1, making side-play amount is 1/3rd (positive and negative silk screw thread puts in order on the contrary) of helical pitch, get final product the rolling double thread, solved prior art and can't utilize reinforcing bar to connect the problem of rolling straight thread machine tooling double thread.Carry out tension test through experiment processing and preparation test specimen, produce a desired effect.
Particularly, as shown in Figure 2, described axle sleeve 2 and described cylindrical die roll 1 interference fit, described axle sleeve 2 and described d-axis 4 matched in clearance.
Particularly, as shown in Figure 2, the two ends of described d-axis 4 are provided with step, the described relatively d-axis 4 center symmetries of the step at described d-axis 4 two ends, and described d-axis 4 is small in ends broad in the middle.
Particularly, as shown in Figure 2, the length of described d-axis 4 mid portions is slightly longer than described cylindrical die roll 1 thickness, and the cylindrical die roll 1 of assembling back tape spool cover 2 is rotated freely.
Further, as shown in Figure 2, the outer peripheral face at described d-axis 4 both ends is respectively equipped with spill plane 7, and described screw 3 is replaced on described spill plane 7.
Particularly, as shown in Figure 1, the outer peripheral face of described d-axis 4 each end is respectively equipped with two spill planes 7, and described screw 3 quantity corresponding with described d-axis 4 each end are two.
Particularly, as shown in Figure 2, described axle sleeve 2 is oilless bushing.
Particularly, as shown in Figure 2, described screw 3 is interior hexagonal holding screw.
Particularly, as shown in Figure 2, described pin 8 is straight pin.
Above-mentioned the utility model embodiment sequence number does not represent the quality of embodiment just to description.
The above only is preferred embodiment of the present utility model, and is in order to limit the utility model, not all within spirit of the present utility model and principle, any modification of doing, is equal to replacement, improvement etc., all should be included within the protection domain of the present utility model.
Claims (10)
1. two-wire rolling bar straight thread Thread rolling head, it is characterized in that, described two-wire rolling bar straight thread Thread rolling head comprises three groups of cylindrical die roll assemblies, every group of cylindrical die roll assembly comprises cylindrical die roll and split type rolled thread wheel carrier, described cylindrical die roll and being installed on the described split type rolled thread wheel carrier, described split type rolled thread wheel carrier supports and regulates described cylindrical die roll, described split type rolled thread wheel carrier comprises: d-axis, axle sleeve, slide block, excentric sleeve, screw and pin, described axle sleeve is socketed in the middle part of described d-axis, the two ends of described d-axis are overlapped in turn from the inside to the outside and are followed described excentric sleeve and described slide block, described screw passes described slide block and described excentric sleeve is replaced on described d-axis and with three's relative fixed, described pin embeds described slide block, wherein, the eccentric angle of described excentric sleeve is the twice of same specification single thread lead angle, and the side-play amount of described cylindrical die roll is 1/3rd of helical pitch.
2. two-wire rolling bar straight thread Thread rolling head according to claim 1 is characterized in that, described axle sleeve and described cylindrical die roll interference fit, described axle sleeve and described d-axis matched in clearance.
3. two-wire rolling bar straight thread Thread rolling head according to claim 2 is characterized in that the two ends of described d-axis are provided with step, the described relatively d-axis of the step center symmetry at described d-axis two ends.
4. two-wire rolling bar straight thread Thread rolling head according to claim 3 is characterized in that described d-axis is small in ends broad in the middle.
5. two-wire rolling bar straight thread Thread rolling head according to claim 3 is characterized in that, the length of described d-axis mid portion is slightly longer than described cylindrical die roll thickness.
6. two-wire rolling bar straight thread Thread rolling head according to claim 3 is characterized in that the outer peripheral face at described d-axis both ends is respectively equipped with the spill plane, and described screw is replaced on described spill plane.
7. two-wire rolling bar straight thread Thread rolling head according to claim 6 is characterized in that the outer peripheral face of each end of described d-axis is respectively equipped with two spill planes, and the described screw number corresponding with each end of described d-axis is two.
8. two-wire rolling bar straight thread Thread rolling head according to claim 1 is characterized in that described axle sleeve is oilless bushing.
9. two-wire rolling bar straight thread Thread rolling head according to claim 1 is characterized in that, described screw is interior hexagonal holding screw.
10. according to each described two-wire rolling bar straight thread Thread rolling head of claim 1-9, it is characterized in that described pin is straight pin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320171880 CN203209599U (en) | 2013-04-08 | 2013-04-08 | Double-line steel bar rolling straight thread rolling head |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320171880 CN203209599U (en) | 2013-04-08 | 2013-04-08 | Double-line steel bar rolling straight thread rolling head |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203209599U true CN203209599U (en) | 2013-09-25 |
Family
ID=49199170
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320171880 Expired - Fee Related CN203209599U (en) | 2013-04-08 | 2013-04-08 | Double-line steel bar rolling straight thread rolling head |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203209599U (en) |
-
2013
- 2013-04-08 CN CN 201320171880 patent/CN203209599U/en not_active Expired - Fee Related
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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: 20130925 Termination date: 20140408 |