CN204700070U - Be convenient to the drawbench engaging device that core bar is changed - Google Patents
Be convenient to the drawbench engaging device that core bar is changed Download PDFInfo
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- CN204700070U CN204700070U CN201520182127.XU CN201520182127U CN204700070U CN 204700070 U CN204700070 U CN 204700070U CN 201520182127 U CN201520182127 U CN 201520182127U CN 204700070 U CN204700070 U CN 204700070U
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- core bar
- collar
- nut
- cover plate
- movable base
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Abstract
The utility model discloses a kind of drawbench engaging device be convenient to core bar and changed, comprise core bar, front nut, back nut, cover plate, movable base, the collar; On described core bar, cover has the collar, and collar two ends are clamped by front and back nut, and core bar, the collar, front and back nut form one; Described cover plate bottom is semi-circular groove, is stuck in collar upper end; Described movable base top is semi-circular groove, is stuck in collar lower end, and both cover plate and movable base are fixed.This is practical is similar to card key and by the tight structure of bolt target owing to adopting, make it when core bar is changed, directly can change the integrative-structure of whole core bar, front and back nut composition, eliminate the installing/dismounting process of nut, thus greatly save the replacing construction of core bar, reduce the manipulation strength of labourer, avoid original core bar cross-linking structure being dismounted for multiple times nut and cause thread abrasion to lose efficacy the risk that when causing draw, nut comes off.
Description
Technical field
The utility model relates to a kind of drawbench, specifically a kind of drawbench engaging device be convenient to core bar and changed.
Background technology
Drawbench is a kind of process equipment for the production of cold drawing steel tube, it carries out secondary operations for draw ferrous and nonferrous metals bar material under normal temperature with to the steel pipe after hot rolling, extruding, is that production is small-bore, accurate; thin-walled, the main process apparatus of high-mechanical property tubing.Along with the fast development of hydraulic cylinder industry, the demand of cold drawing steel tube is increasing, and drawbench to have also been obtained at each production unit as the main process apparatus of cold drawing steel tube and uses widely.The height of its production efficiency also just obtains more concern thereupon.
Current cold-drawn lathe draw principle is substantially identical, and drawbench core bar is mainly used in connecting core print, bears the cold-drawn pulling force of core print, and its axis and draw line are consistent simultaneously, can ensure axiality and the linearity requirement of drawing product.And the afterbody engaging device the being installed on core bar pulling force that core bar transmits when bearing on the one hand draw, on the other hand for core bar provides horizontal support, core bar axis when ensureing drawing and the uniformity of draw line.
Due to the increasing gradually of cold drawing steel tube specification of existing market demand, the draw of the cold drawing steel tube of different size scope needs to be equipped with different core bar devices, therefore for the producer needing the cold drawing steel tube processing many specifications, the height of the replacing efficiency of its cold-drawn core pipe just seems important.
At present, the engaging device of core bar afterbody adopts core bar cross-linking structure substantially, as depicted in figs. 1 and 2, it comprise core bar 1, front and back nut 2,5, travelling car 3(gripper shoe) and the collar 4, such as publication number is: the Chinese utility model patent of CN 202097212 U, on January 4th, 2012 is open, name is called " hydraulic pressure cold drawing machine ", in the program, " engaging member " is namely equivalent to " the core bar engaging device " in this patent, from its structure graph, what it adopted is front and back nut and gripper shoe (travelling car) cross-linking structure.
Due to the core bar cross-linking structure adopted, during each replacing core bar need on core bar positive and negative two vice-minister distance travelling nuts, each installation is installed after all relating to the dismounting of nut again, adds the weight of top nut own larger, cause the replacing core bar time longer on the one hand, manipulation strength is large; On the other hand being dismounted for multiple times nut, easily causes thread abrasion to lose efficacy the risk that when causing draw, nut comes off in the course of time.
Summary of the invention
For above-mentioned prior art Problems existing, the utility model provides a kind of drawbench engaging device be convenient to core bar and changed, save core bar replacing construction, reduce the manipulation strength of labourer, effectively avoid original core bar cross-linking structure being dismounted for multiple times nut to cause thread abrasion to lose efficacy, produce the risk that nut comes off.
To achieve these goals, a kind of drawbench engaging device be convenient to core bar and changed of the utility model, comprises core bar, front nut, back nut, cover plate, movable base, the collar; On described core bar, cover has the collar, and collar two ends are clamped by front and back nut, and core bar, the collar, front and back nut form one; Described cover plate bottom is semi-circular groove, is stuck in collar upper end; Described movable base top is semi-circular groove, is stuck in collar lower end, and both cover plate and movable base are fixed.
As further scheme of the present utility model, described cover plate two ends have a through hole, and described movable base upper surface has two screwed holes corresponding with cover plate through hole, cover plate and movable base are threaded connection.
As further scheme of the present utility model, described cover plate is provided with handle.
The utility model passes through cover plate, movable base is stuck on the collar of intermediate space, again cover plate and movable base are fixed, thus be combined into the structure being similar to card key formula, left surface by front nut bears occlusion thrust during core bar tension, due to core bar, front and back nut, the collar is all auxiliary type element, and Connecting groups integrator structure, drawbench can be made at replacing core bar device (i.e. core bar, front and back nut, the integrative-structure that the collar is formed) time, directly change whole core bar device, thus eliminate the installing/dismounting process of nut, greatly save the replacing construction of core bar, reduce the manipulation strength of labourer, avoiding original core bar cross-linking structure being dismounted for multiple times nut causes thread abrasion to lose efficacy the risk that when causing draw, nut comes off.
Accompanying drawing explanation
Fig. 1 is prior art front view;
Fig. 2 is prior art left view;
Fig. 3 is the utility model front view;
Fig. 4 is the utility model left view;
In figure: 1, core bar, 2, back nut, 3, travelling car, 4, the collar, 5, front nut, 6, cover plate, 7, movable base.
Detailed description of the invention
In order to make those skilled in the art person understand the utility model scheme better, below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.
As shown in Figure 3 and Figure 4, the utility model is convenient to the drawbench engaging device that core bar is changed, and comprises core bar 1, front nut 5, back nut 2, cover plate 6, movable base 7, the collar 4; On described core bar 1, cover has the collar 4, and the collar 4 two ends are clamped by front and back nut 5,2, and core bar 1, the collar 4, front and back nut 5,2 form one; Described cover plate 6 bottom is semi-circular groove, is stuck in the collar 4 upper end; Described movable base 7 top is semi-circular groove, is stuck in the collar 4 lower end, and cover plate 6 is fixed with both movable bases 7.
As long as cover plate 6 can with the dismountable connected mode of connected mode of movable base 7, provide a kind of connected mode of screw thread below, a through hole is had at cover plate 6 two ends, movable base 7 upper surface has two screwed holes corresponding with cover plate 6 through hole, and cover plate 6 and movable base 7 are threaded connection.
On the basis of said structure, cover plate 6 can also be provided with handle.When carrying out dismounting operation, facilitate hand-held cover plate.
The utility model is by cover plate 6, movable base 7 is stuck on the collar of intermediate space, again cover plate 6 and movable base 7 are fixed, thus be combined into the structure being similar to card key formula, left surface by front nut 5 bears occlusion thrust during core bar tension, due to core bar, front and back nut, the collar is all auxiliary type element, and Connecting groups integrator structure, make drawbench at replacing core bar device (i.e. core bar, front and back nut, the integrative-structure that the collar is formed) time, directly change whole core bar device, need not as core bar cross-linking structure in prior art, need being dismounted for multiple times nut, thread abrasion is caused to lose efficacy, the risk that when there is draw, nut comes off.
Certainly, above-described embodiment is only preferred version of the present utility model, is specifically not limited thereto, and can make pointed adjustment according to actual needs on this basis, thus obtain different embodiments.Because mode in the cards is more, just illustrate no longer one by one here.
Claims (3)
1. be convenient to the drawbench engaging device that core bar is changed, it is characterized in that, comprise core bar (1), front nut (5), back nut (2), cover plate (6), movable base (7), the collar (4); The upper cover of described core bar (1) has the collar (4), and the collar (4) two ends are by front and back nut (5,2) clamping, and core bar (1), the collar (4), front and back nut (5,2) form one; Described cover plate (6) bottom is semi-circular groove, is stuck in the collar (4) upper end; Described movable base (7) top is semi-circular groove, is stuck in the collar (4) lower end, and the two is fixing for cover plate (6) and movable base (7).
2. the drawbench engaging device be convenient to core bar and changed according to claim 1, it is characterized in that, described cover plate (6) two ends have a through hole, described movable base (7) upper surface has two screwed holes corresponding with cover plate (6) through hole, cover plate (6) and movable base (7) are threaded connection.
3. the drawbench engaging device be convenient to core bar and changed according to claim 1 and 2, it is characterized in that, described cover plate (6) is provided with handle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520182127.XU CN204700070U (en) | 2015-03-30 | 2015-03-30 | Be convenient to the drawbench engaging device that core bar is changed |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520182127.XU CN204700070U (en) | 2015-03-30 | 2015-03-30 | Be convenient to the drawbench engaging device that core bar is changed |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204700070U true CN204700070U (en) | 2015-10-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201520182127.XU Active CN204700070U (en) | 2015-03-30 | 2015-03-30 | Be convenient to the drawbench engaging device that core bar is changed |
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| CN (1) | CN204700070U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113732089A (en) * | 2021-08-25 | 2021-12-03 | 江苏亚太轻合金科技股份有限公司 | Quick adjusting device of pulling core rod |
-
2015
- 2015-03-30 CN CN201520182127.XU patent/CN204700070U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113732089A (en) * | 2021-08-25 | 2021-12-03 | 江苏亚太轻合金科技股份有限公司 | Quick adjusting device of pulling core rod |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |