CN210676592U - Mold core with adjustable outer diameter - Google Patents
Mold core with adjustable outer diameter Download PDFInfo
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- CN210676592U CN210676592U CN201921072708.2U CN201921072708U CN210676592U CN 210676592 U CN210676592 U CN 210676592U CN 201921072708 U CN201921072708 U CN 201921072708U CN 210676592 U CN210676592 U CN 210676592U
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Abstract
The utility model belongs to the technical field of mould processing production, especially, be a mold core of adjustable external diameter, which comprises a base, the upper surface joint of base has the bearing, the cooperation is inserted in the bearing and is equipped with the pivot, the top fixedly connected with threaded rod of pivot, the surface threaded connection of threaded rod has a screw thread section of thick bamboo, the first flange of a side fixedly connected with of a screw thread section of thick bamboo, the front of first flange is articulated through the one end at first round pin axle with the movable rod back, the other end at the movable rod back passes through the positive fixed connection of second round pin axle with the second flange, a side fixedly connected with movable mould board of threaded rod is kept away from to the second flange. The utility model discloses, through mutually supporting between telescoping device and the hand cranking device, the periphery can be adjusted for a mold core can correspond the multiple mould of production, therefore on the production line, not only can guarantee production efficiency, still reduction in production cost.
Description
Technical Field
The utility model belongs to the technical field of mould processing production, concretely relates to mold core of adjustable external diameter.
Background
The core, as the name implies, refers to the precision part used for the critical operation of the central part of the mold. The common structure of the mold core is extremely complex, the processing difficulty is very large, the manufacturing cost is very high, and the labor expenditure for manufacturing is greatly higher than that of the material. The choice of core material is also directly related to the cost of the mold and the useful life of the mold. The mold core includes: wire drawing mold core, ceramic mold core, vacuum mold core, exhaust mold core, automobile part mold core, etc.
Since the 21 st century, with the rapid development of the heavy industry and the light industry in China, high-quality stainless steel pipes are gradually applied to various fields, the quality of the stainless steel pipes directly affects the overall quality of equipment, the stainless steel pipes are usually processed into a cylinder shape by stainless steel sheets according to certain technological requirements, a mold core is required for cylinder forming, a mold core is required for processing a plurality of molds, the outer diameter of the general mold core is fixed, one mold core can only correspondingly produce one mold, different mold cores are required to be replaced for molds with different sizes, on a production line, the replacement of the mold core can reduce the production efficiency, the production cost is also improved for a plurality of mold cores, and therefore the problem needs to be solved by a mold core with an adjustable outer diameter urgently.
SUMMERY OF THE UTILITY MODEL
To solve the problems set forth in the background art described above. The utility model provides a mold core of adjustable external diameter to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: a mold core with an adjustable outer diameter comprises a base, wherein a bearing is clamped on the upper surface of the base, a rotating shaft is inserted in the bearing in a matched mode, a threaded rod is fixedly connected to the top end of the rotating shaft, a threaded cylinder is connected to the outer surface of the threaded rod in a threaded mode, a first flange is fixedly connected to one side face of the threaded cylinder, the front face of the first flange is hinged to one end of the back face of a movable rod through a first pin shaft, the other end of the back face of the movable rod is fixedly connected with the front face of a second flange through a second pin shaft, a movable mold plate is fixedly connected to one side face, away from the threaded rod, of the second flange in an overlapped mode, the lower surface of the movable mold plate is in overlapped mode with the upper surface of the base, a telescopic device is fixedly connected to one side face, and the position of the fixed template corresponding to the movable rod is provided with a limiting hole, and the fixed template is fixedly connected to the upper surface of the base.
Preferably, the number of the movable rods and the number of the movable templates are equal and are a plurality, and one surfaces of two adjacent movable templates are lapped.
Preferably, the number of the movable rods is equal to that of the limiting holes, and the front side and the rear side of the inner wall of each limiting hole are respectively overlapped with the front side and the back side of each movable rod.
Preferably, the telescoping device is provided with the multiunit, and the multiunit the telescoping device includes the shell, the one end fixed connection of shell is in the fixed slot that the fixed die plate surface was seted up, the internal surface of shell and the one end fixed connection of spring, the other end fixedly connected with slide of spring, the top and the bottom of slide are respectively sliding connection in the spout that shell inner wall top and bottom were all seted up, pole in a side fixedly connected with of spring is kept away from to the slide, the one end fixed connection that the slide was kept away from to interior pole is in a side that the movable die plate is close to the fixed die plate.
Preferably, the top fixedly connected with hand cranking device of threaded rod, hand cranking device includes the rim plate, the lower fixed surface of rim plate is connected on the top of threaded rod, the position fixedly connected with rocker of the skew centre of a circle of rim plate upper surface to the surface cover of rocker is equipped with anti-skidding cover.
Preferably, the cross-sectional structure of the fixing template in plan view is circular, and the shape of the stopper hole is rectangular.
Compared with the prior art, the beneficial effects of the utility model are that:
the utility model discloses, through mutually supporting between telescoping device and the hand cranking device, the periphery can be adjusted for a mold core can correspond the multiple mould of production, therefore on the production line, not only can guarantee production efficiency, still reduction in production cost.
The utility model discloses, through setting up the telescoping device, the movable mould board can extrude or drag the telescoping device to threaded rod direction or reverse movement's in-process, and the spring in the telescoping device can utilize the elasticity of self to apply reverse effort to the movable mould board, and then just can further improve the stability ability of movable mould board through the stability between reinforcing thread section of thick bamboo and the threaded rod, through setting up the fixed slot, the area of contact of the multiplicable telescoping device of fixed slot and fixed die plate, therefore can improve the steadiness of telescoping device, through setting up spacing hole, the movable rod only can carry out the up-and-down motion under the effect in spacing hole, therefore alright ensure the moving direction of movable mould board, through setting up hand device, but the arm power can be prolonged to the rocker in the hand device, make people can be light more when rotating the threaded rod.
Drawings
The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:
fig. 1 is a schematic front view of a cross-sectional structure of the present invention;
fig. 2 is a schematic structural view from the top of the present invention;
FIG. 3 is a schematic view of a front view of a cross-sectional structure of the middle telescopic device of the present invention;
fig. 4 is an enlarged schematic structural diagram of the position a of the present invention.
In the figure: 1. a base; 2. a bearing; 3. a rotating shaft; 4. a threaded rod; 5. a threaded barrel; 6. a first flange; 7. a first pin shaft; 8. a movable rod; 9. a second pin shaft; 10. a second flange; 11. a movable template; 12. a telescoping device; 121. a housing; 122. an inner rod; 123. a slide plate; 124. a chute; 125. a spring; 13. fixing the template; 14. fixing grooves; 15. a limiting hole; 16. a hand cranking device; 161. a wheel disc; 162. an anti-slip sleeve; 163. a rocker.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Examples
Referring to fig. 1-4, the present invention provides the following technical solutions: a mold core with adjustable outer diameter comprises a base 1, a bearing 2 is connected to the upper surface of the base 1 in a clamping mode, a rotating shaft 3 is inserted into the bearing 2 in a matched mode, a threaded rod 4 is fixedly connected to the top end of the rotating shaft 3 through the arrangement of the bearing 2 and the rotating shaft 3, under the combined action of the bearing 2 and the rotating shaft 3, the stability of the threaded rod 4 is guaranteed, meanwhile, a rotating condition is provided for the threaded rod 4, a threaded cylinder 5 is connected to the outer surface of the threaded rod 4 through threads, a first flange 6 is fixedly connected to one side face of the threaded cylinder 5, the front face of the first flange 6 is hinged to one end of the back face of a movable rod 8 through a first pin shaft 7, the two end portions of the movable rod 8 can rotate through the arrangement of the first flange 6, a first pin shaft 7, a second flange 10 and a second pin shaft 9, the other end of the back face of the movable rod, one side surface of the second flange 10 far away from the threaded rod 4 is fixedly connected with a movable template 11, the lower surface of the movable template 11 is lapped with the upper surface of the base 1, one side surface of the movable template 11 near the threaded rod 4 is fixedly connected with a telescopic device 12, the telescopic device 12 can be extruded or pulled in the process that the movable template 11 moves towards the threaded rod 4 or in the reverse direction by arranging the telescopic device 12, a spring 125 in the telescopic device 12 can apply reverse acting force to the movable template 11 by utilizing the elasticity of the spring 125, so that the stability between the threaded cylinder 5 and the threaded rod 4 can be further improved, the stability of the movable template 11 can be further improved by enhancing the stability, one end of the telescopic device 12 far away from the movable template 11 is fixedly connected in a fixed groove 14 arranged on the side surface of the fixed template 13, and the fixed groove 14 can increase the contact area between the telescopic, therefore, the stability of the telescopic device 12 can be improved, the movable rod 8 can only move up and down under the action of the limiting hole 15 by arranging the limiting hole 15, so that the moving direction of the movable template 11 can be ensured, the limiting hole 15 is formed in the position, corresponding to the movable rod 8, of the fixed template 13, and the fixed template 13 is fixedly connected to the upper surface of the base 1.
Specifically, the number of the movable rods 8 is equal to that of the movable templates 11, and the movable templates 11 are all a plurality of movable rods, and one surfaces, close to each other, of the two adjacent movable templates 11 are in lap joint.
Specifically, the number of the movable rods 8 is equal to that of the limiting holes 15, and the front side and the rear side of the inner wall of each limiting hole 15 are respectively overlapped with the front side and the back side of each movable rod 8.
Specifically, telescoping device 12 is provided with the multiunit, and multiunit telescoping device 12 includes shell 121, the one end fixed connection of shell 121 is in the fixed slot 14 that fixed die plate 13 surface was seted up, the internal surface of shell 121 and the one end fixed connection of spring 125, the other end fixedly connected with slide 123 of spring 125, slide 123's top and bottom are respectively sliding connection in the spout 124 that shell 121 inner wall top and bottom were all seted up, slide 123 keeps away from interior pole 122 of a side fixedly connected with of spring 125, interior pole 122 keeps away from the one end fixed connection of slide 123 and is close to a side of fixed die plate 13 at movable die plate 11.
Specifically, the top fixedly connected with hand cranking device 16 of threaded rod 4, through setting up hand cranking device 16, rocker 163 among hand cranking device 16 can prolong the arm power for people can be light more when rotating threaded rod 4, hand cranking device 16 includes rim plate 161, and the lower fixed surface of rim plate 161 is connected on the top of threaded rod 4, and the position fixedly connected with rocker 163 of the skew centre of a circle of rim plate 161 upper surface, and the surface cover of rocker 163 is equipped with anti-skidding cover 162.
Specifically, the cross-sectional structure of the fixing template 13 in a plan view is circular, and the shape of the stopper hole 15 is rectangular.
The utility model discloses a theory of operation and use flow: when the utility model is used, the rocking bar 163 makes circular motion, and then the wheel disc 161 can drive the threaded rod 4 to perform synchronous action in the threaded cylinder 5, and the threaded cylinder 5 moves upwards or downwards under the action of the external thread of the threaded rod 4, when the threaded rod 4 rotates along the clockwise direction, the threaded cylinder 5 moves upwards, because the first flange 6 moves upwards along with the threaded cylinder 5, and the two ends of the movable rod 8 can respectively perform rotary action through the first pin shaft 7 and the second pin shaft 9, the acting force on the movable template 11 in the direction close to the threaded rod 4 can be applied, and the movable template 11 is connected with the fixed template 13 through the expansion device 12, so that the movable template 11 moves towards the direction close to the threaded rod 4, the circumference is reduced, when the threaded rod 4 rotates along the counterclockwise direction, the movable template 11 moves towards the direction far away from the threaded rod 4 under the pushing of the movable rod 8, the periphery grow, and the movable mould board 11 can extrude or drag telescoping device 12 to the in-process of 4 directions of threaded rod or reverse movement, and spring 125 in the telescoping device 12 can utilize the elasticity of self to exert reverse effort to movable mould board 11, and then just can further improve movable mould board 11's stability ability through the stability between reinforcing thread section of thick bamboo 5 and the threaded rod 4, make a mold core can correspond the multiple mould of production, therefore on the production line, not only can guarantee production efficiency, but also reduction in production cost.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. The utility model provides a mold core of adjustable external diameter, includes base (1), its characterized in that: the upper surface of the base (1) is connected with a bearing (2) in a clamping manner, the bearing (2) is internally matched with and inserted with a rotating shaft (3), a threaded rod (4) is fixedly connected to the top end of the rotating shaft (3), a threaded cylinder (5) is connected to the outer surface of the threaded rod (4) in a threaded manner, a first flange (6) is fixedly connected to one side of the threaded cylinder (5), the front side of the first flange (6) is hinged to one end of the back side of a movable rod (8) through a first pin shaft (7), the other end of the back side of the movable rod (8) is fixedly connected to the front side of a second flange (10) through a second pin shaft (9), the second flange (10) is far away from a movable template (11) which is fixedly connected to one side of the threaded rod (4), the lower surface of the movable template (11) is in lap joint with the upper surface of the base (1), and the movable template (11) is, one end of the telescopic device (12) far away from the movable template (11) is fixedly connected in a fixing groove (14) formed in the side face of the fixed template (13), a limiting hole (15) is formed in the position, corresponding to the movable rod (8), of the fixed template (13), and the fixed template (13) is fixedly connected to the upper surface of the base (1).
2. The mold core of claim 1, wherein: the number of the movable rods (8) and the number of the movable templates (11) are equal and are a plurality, and one surfaces of two adjacent movable templates (11) are in lap joint.
3. The mold core of claim 1, wherein: the number of the movable rods (8) is equal to that of the limiting holes (15), and the front side and the rear side of the inner wall of each limiting hole (15) are respectively in lap joint with the front side and the back side of each movable rod (8).
4. The mold core of claim 1, wherein: telescoping device (12) are provided with the multiunit, and the multiunit telescoping device (12) include shell (121), the one end fixed connection of shell (121) is in fixed slot (14) that fixed die plate (13) surface was seted up, the internal surface of shell (121) and the one end fixed connection of spring (125), the other end fixedly connected with slide (123) of spring (125), the top and the bottom of slide (123) are sliding connection respectively in spout (124) that shell (121) inner wall top and bottom were all seted up, slide (123) are kept away from a side fixedly connected with interior pole (122) of spring (125), the one end fixed connection that slide (123) were kept away from in interior pole (122) is close to a side of fixed die plate (13) in movable die plate (11).
5. The mold core of claim 1, wherein: the top fixedly connected with hand cranking device (16) of threaded rod (4), hand cranking device (16) include rim plate (161), the lower fixed surface of rim plate (161) connects on the top of threaded rod (4), the position fixedly connected with rocker (163) of the skew centre of a circle of rim plate (161) upper surface to the surface cover of rocker (163) is equipped with anti-skidding cover (162).
6. The mold core of claim 1, wherein: the cross section structure of the fixed template (13) in a plan view is circular, and the limiting hole (15) is rectangular.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921072708.2U CN210676592U (en) | 2019-07-10 | 2019-07-10 | Mold core with adjustable outer diameter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921072708.2U CN210676592U (en) | 2019-07-10 | 2019-07-10 | Mold core with adjustable outer diameter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210676592U true CN210676592U (en) | 2020-06-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921072708.2U Active CN210676592U (en) | 2019-07-10 | 2019-07-10 | Mold core with adjustable outer diameter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210676592U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111842751A (en) * | 2020-07-23 | 2020-10-30 | 苏强 | Forging method for new energy automobile hub |
| CN112026071A (en) * | 2020-07-01 | 2020-12-04 | 中山市天程新型材料制品有限公司 | Mold core with variable outer diameter |
| CN114425570A (en) * | 2022-03-18 | 2022-05-03 | 浙江三基钢管有限公司 | Cold drawing die |
-
2019
- 2019-07-10 CN CN201921072708.2U patent/CN210676592U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112026071A (en) * | 2020-07-01 | 2020-12-04 | 中山市天程新型材料制品有限公司 | Mold core with variable outer diameter |
| CN112026071B (en) * | 2020-07-01 | 2022-05-06 | 中山市天程新型材料制品有限公司 | Mold core with variable inner diameter |
| CN111842751A (en) * | 2020-07-23 | 2020-10-30 | 苏强 | Forging method for new energy automobile hub |
| CN114425570A (en) * | 2022-03-18 | 2022-05-03 | 浙江三基钢管有限公司 | Cold drawing die |
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