CN104353690A - Extrusion moulding die for barbell bar shield rings - Google Patents
Extrusion moulding die for barbell bar shield rings Download PDFInfo
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- CN104353690A CN104353690A CN201410194157.2A CN201410194157A CN104353690A CN 104353690 A CN104353690 A CN 104353690A CN 201410194157 A CN201410194157 A CN 201410194157A CN 104353690 A CN104353690 A CN 104353690A
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- groove
- termination
- bar
- extrusion molding
- container cavity
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C25/00—Profiling tools for metal extruding
- B21C25/02—Dies
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Extrusion Of Metal (AREA)
Abstract
The invention relates to an extrusion moulding die for barbell bar shield rings. The extrusion moulding die comprises end extrusion components and middle accommodation components, wherein each end extrusion component comprises an inner end and an outer end; an end groove is formed in the middle of each inner end; each outer end is arranged on the outer side of the corresponding end extrusion component; each middle accommodation component comprises end extrusion grooves and a middle accommodation cavity; the end extrusion grooves are formed in two ends of the corresponding middle accommodation cavity; the end extrusion grooves are communicated with the corresponding middle accommodation cavity; the diameter of each end extrusion groove is larger than that of each middle accommodation cavity; the inner ends of the end extrusion components can be inserted into the end extrusion grooves respectively; the end grooves in the inner ends are communicated with the middle accommodation cavities. The extrusion moulding die provided by the invention has the advantages that a barbell bar is easy to mould and process, the energy consumption is low, welding is not required, and harm to human bodies and material waste are avoided.
Description
Technical field
The invention belongs to the technical field of barbell thick stick machine-shaping, in particular to a kind of bar back-up ring extrusion molding dies.
Background technology
Bar is mainly formed by metal pipe material weld metal back-up ring at present, is widely used in the field such as sporting world, Household fitness equipment.As shown in Figure 1, general bar by metal pipe material blanking, do the anti-skidding effect of steel tube surface annular knurl 1(), back-up ring 2 is processed in pressing equipment punching, blanking, is finally processed by the back-up ring 2 of the metal pipe material after above-mentioned processing after above-mentioned processing is welded at pad 3 place.But metal pipe material weld metal back-up ring 2 operation is more complicated, raw material processing and last shaping welding processing consuming time higher, energy resource consumption is high, and the injury of metal solder to human body is larger, welding easily occurs that the defects, particularly rosin joint such as welding slag, through welding, rosin joint are to the potential grave danger of the person.
In addition, along with successively climbing to a higher point of metal material price, the utilization rate of material improves the ever more important that seems, and the complicated process such as material require punching, blanking of the back-up ring of metal solder, stock utilization is also very low.
Summary of the invention
The present invention is directed to the deficiencies in the prior art, provide a kind of operation simple, energy consumption is low, does not need welding, and to human body fanout free region, material is without the bar back-up ring processing and forming mould of waste.
For achieving the above object, the present invention adopts following technical scheme: provide a kind of bar back-up ring extrusion molding dies, comprise end extruder member and middle part containing component, wherein,
Described end extruder member comprises inner termination and external end head, and the medium position of described inner termination offers termination groove, and described external end head is arranged on the outside of described end extruder member;
Described middle part containing component comprises end squeezing groove and middle part container cavity, described end squeezing groove is arranged on the two ends of described middle part container cavity, described end squeezing groove communicates with described middle part container cavity, and the diameter of described end squeezing groove is greater than the diameter of described middle part container cavity;
The inner termination of described end extruder member can insert described end squeezing groove respectively, and the termination groove of described inner termination communicates with described middle part container cavity.
Further, described bar is arranged in described mould, the two ends of described bar are against the bottom of the termination groove of described end extruder member respectively, between the end of the inner termination of described end extruder member and the low side of described end squeezing groove in a distance.
Further, the length of the inner termination of described end extruder member is greater than the degree of depth of described end squeezing groove.
Further, described termination groove, end squeezing groove and middle part container cavity are cylindrical cavity.
Further, the external end head of described end extruder member is connected with hydraulic machinery, is extruded described bar by described hydraulic machinery.
Further, described middle part container cavity is identical with the diameter of described termination groove, and when described inner termination inserts squeezing groove inside, described end, the central shaft of described middle part container cavity and described termination groove coincides.
Further, the diameter of described termination groove and middle part container cavity is greater than the diameter of the bar that it holds, and the lateral wall of described bar is close on the inwall of described termination groove and middle part container cavity.
Further, the lateral wall of the inner termination of described end extruder member is close on the inwall of described end squeezing groove.
Further, it is characterized in that, described middle part containing component is spliced to form by two pieces of moulds, takes out extruded bar by separating two pieces of moulds.
Further, described bar is formed by its surface knurling process by steel pipe.
The beneficial effect of the invention:
The extrusion process mould of the bar of invention can make barbell thick stick processing and forming have operation simply, and energy consumption is low, and do not need welding, to human body fanout free region, material is without advantages such as wastes.
Accompanying drawing explanation
Fig. 1 is the schematic diagram that in prior art, bar back-up ring adopts welding manner;
Fig. 2 is the structure change schematic diagram of barbell thick stick when adopting bar back-up ring extrusion molding dies of the present invention;
Fig. 3 is bar back-up ring extrusion molding dies sectional view of the present invention;
Fig. 4 is bar back-up ring extrusion molding dies front view of the present invention;
Fig. 5 is the structural representation of a bar back-up ring extrusion molding dies of the present invention embodiment;
Fig. 6 is the sectional view before bar back-up ring extrusion molding dies extruding work of the present invention;
Fig. 7 is the ongoing sectional view of bar back-up ring extrusion molding dies extruding work of the present invention;
Fig. 8 is the sectional view of bar back-up ring extrusion molding dies of the present invention when completing extruding work.
Detailed description of the invention
For making the object of the embodiment of the present invention and technical scheme clearly, below in conjunction with the accompanying drawing of the embodiment of the present invention, the technical scheme of the embodiment of the present invention is clearly and completely described.Obviously, described embodiment is a part of embodiment of the present invention, instead of whole embodiments.Based on described embodiments of the invention, the every other embodiment that those of ordinary skill in the art obtain under without the need to the prerequisite of creative work, all belongs to the scope of protection of the invention.
Those skilled in the art of the present technique are appreciated that unless otherwise defined, and all terms used herein (comprising technical term and scientific terminology) have the meaning identical with the general understanding of the those of ordinary skill in field belonging to the present invention.Should also be understood that those terms defined in such as general dictionary should be understood to have the meaning consistent with the meaning in the context of prior art, unless and define as here, can not explain by idealized or too formal implication.
The implication of the "and/or" described in the present invention refers to respective individualism or both simultaneous situations include interior.
The implication of " inside and outside " described in the present invention refers to relative to equipment itself, in the direction of sensing equipment inside is, otherwise is outward, but not the specific restriction to equipment mechanism of the present invention.
When the implication of " left and right " described in the present invention refers to reader just to accompanying drawing, the left side of reader is a left side, and the right of reader is the right side, but not the specific restriction to equipment mechanism of the present invention.
The indirect connection that can be the direct connection between parts also can be by other parts between parts of the implication of " connection " described in the present invention.
Fig. 1 is the schematic diagram that in prior art, bar back-up ring adopts welding manner; The structure change schematic diagram of barbell thick stick when Fig. 2 is the bar back-up ring extrusion molding dies adopting invention; Fig. 3 is the bar back-up ring extrusion molding dies sectional view of invention; Fig. 4 is the bar back-up ring extrusion molding dies front view of invention; Fig. 5 is the structural representation of a bar back-up ring extrusion molding dies embodiment of invention.
As in Figure 3-5, bar back-up ring extrusion molding dies of the present invention, comprise end extruder member 1 and middle part containing component 2, wherein, end extruder member 1 comprises inner termination 6 and external end head 7, the medium position of inner termination 6 offers termination groove 5, and external end head 7 is arranged on the outside of end extruder member 1; Middle part containing component 2 comprises end squeezing groove 3 and middle part container cavity 4, and end squeezing groove 3 is arranged on the two ends of middle part container cavity 4, and end squeezing groove 3 communicates with middle part container cavity 4, and the diameter of end squeezing groove 3 is greater than the diameter of middle part container cavity 4; The inner termination 6 of end extruder member 1 can insert end squeezing groove 3 respectively, and the termination groove 5 of inner termination 6 communicates with middle part container cavity 4.
Bar is arranged in mould, and the two ends of bar are against the bottom of the termination groove 5 of end extruder member 1 respectively, between the end of inner termination 6 of end extruder member 1 and the low side of end squeezing groove 3 in a distance.The length of the inner termination 6 of end extruder member 1 is greater than the degree of depth of end squeezing groove 3.Termination groove 5, end squeezing groove 3 and middle part container cavity 4 are cylindrical cavity.
The external end head 7 of end extruder member 1 is connected with hydraulic machinery, is extruded bar by hydraulic machinery.Middle part container cavity 4 is identical with the diameter of termination groove 5, and when inner termination 6 inserts end squeezing groove 3 inside, the central shaft of middle part container cavity 4 and termination groove 5 coincides.The diameter of termination groove 5 and middle part container cavity 4 is greater than the diameter of the bar that it holds, and the lateral wall of bar is close on the inwall of termination groove 5 and middle part container cavity 4.The lateral wall of the inner termination 6 of end extruder member 1 is close on the inwall of end squeezing groove 3.
As shown in Figure 5, middle part containing component 2 can be spliced to form by two pieces of assembling dies 8, takes out extruded bar by separating two pieces of moulds 8.Bar is formed by its surface knurling process by steel pipe.
The process that bar back-up ring extrusion molding dies of the present invention is used for barbell thick stick is as follows: as shown in figs 6-8, metal pipe material workpiece 9 is put into middle part containing component 2, and the medium position of metal pipe material workpiece 9 is positioned at the medium position of middle part containing component 2; Then the termination groove 5 of end extruder member 1 is sleeved on two terminations of metal pipe material workpiece 9 according to A, B direction in figure, two terminations of metal pipe material workpiece 9 insert the bottom of termination groove 5 respectively, simultaneously, it is inner that end extruder member 1 inserts end squeezing groove 3, but the termination of the inner termination 6 of end extruder member 1 and the certain distance of the bottom interval of end squeezing groove 3; Now, as described in Figure 7, on metal pipe material workpiece 9 I, II, III and IV position is between the termination and the bottom of termination squeezing groove 3 of the inner termination 6 of end extruder member 1, the end extruder member 1 being positioned at metal pipe material workpiece 9 two ends continues to close by B, A direction respectively, extrusion metal tubing workpiece 9, in metal pipe material workpiece 9, I, II, III, IV position is stressed can be out of shape to the lateral direction of metal pipe material workpiece 9 respectively afterwards; As shown in Figure 8, I, II, III, IV position in metal pipe material workpiece 9 is squeezed to the bottom of end squeezing groove 3 by end extruder member 1, and in metal pipe material workpiece 9, I, II, III, IV position is compressed to perpendicular to metal pipe material workpiece 9 and the thin plate be surrounded on around metal pipe material workpiece 9.
After the metal collar process finishing of metal pipe material workpiece 9, end extruder member 1 is separated in the opposite direction by A, B side respectively, end extruder member 1 is taken out from middle part containing component 2; Again wherein one piece of mould 8 of middle part containing component 2 is taken off, metal pipe material workpiece 9 is taken out, machines.
These are only embodiments of the present invention, it describes comparatively concrete and detailed, but therefore can not be interpreted as the restriction to the scope of the claims of the present invention.It should be pointed out that for the person of ordinary skill of the art, without departing from the inventive concept of the premise, can also make some distortion and improvement, these all belong to protection scope of the present invention.
Claims (10)
1. a bar back-up ring extrusion molding dies, is characterized in that, comprises end extruder member and middle part containing component, wherein,
Described end extruder member comprises inner termination and external end head, and the medium position of described inner termination offers termination groove, and described external end head is arranged on the outside of described end extruder member;
Described middle part containing component comprises end squeezing groove and middle part container cavity, described end squeezing groove is arranged on the two ends of described middle part container cavity, described end squeezing groove communicates with described middle part container cavity, and the diameter of described end squeezing groove is greater than the diameter of described middle part container cavity;
The inner termination of described end extruder member can insert described end squeezing groove respectively, and the termination groove of described inner termination communicates with described middle part container cavity.
2. a kind of bar back-up ring extrusion molding dies according to claim 1, it is characterized in that, described bar is arranged in described mould, the two ends of described bar are against the bottom of the termination groove of described end extruder member respectively, between the end of the inner termination of described end extruder member and the low side of described end squeezing groove in a distance.
3. a kind of bar back-up ring extrusion molding dies according to claim 1, is characterized in that, the length of the inner termination of described end extruder member is greater than the degree of depth of described end squeezing groove.
4. a kind of bar back-up ring extrusion molding dies according to claim 3, it is characterized in that, described termination groove, end squeezing groove and middle part container cavity are cylindrical cavity.
5. a kind of bar back-up ring extrusion molding dies according to claim 4, it is characterized in that, the external end head of described end extruder member is connected with hydraulic machinery, is extruded described bar by described hydraulic machinery.
6. a kind of bar back-up ring extrusion molding dies according to Claims 2 or 3, it is characterized in that, described middle part container cavity is identical with the diameter of described termination groove, when described inner termination inserts squeezing groove inside, described end, the central shaft of described middle part container cavity and described termination groove coincides.
7. a kind of bar back-up ring extrusion molding dies according to claim 6, it is characterized in that, the diameter of described termination groove and middle part container cavity is greater than the diameter of the bar that it holds, and the lateral wall of described bar is close on the inwall of described termination groove and middle part container cavity.
8. a kind of bar back-up ring extrusion molding dies according to claim 7, it is characterized in that, the lateral wall of the inner termination of described end extruder member is close on the inwall of described end squeezing groove.
9. a kind of bar back-up ring extrusion molding dies according to claim 2, it is characterized in that, described middle part containing component is spliced to form by two pieces of moulds, and separately two pieces of moulds can take out extruded bar.
10. a kind of bar back-up ring extrusion molding dies according to claim 1, is characterized in that, described bar is formed by its surface knurling process by steel pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410194157.2A CN104353690B (en) | 2014-05-09 | 2014-05-09 | Bar back-up ring extrusion molding dies |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410194157.2A CN104353690B (en) | 2014-05-09 | 2014-05-09 | Bar back-up ring extrusion molding dies |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104353690A true CN104353690A (en) | 2015-02-18 |
| CN104353690B CN104353690B (en) | 2017-06-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410194157.2A Active CN104353690B (en) | 2014-05-09 | 2014-05-09 | Bar back-up ring extrusion molding dies |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108405643A (en) * | 2018-02-08 | 2018-08-17 | 嘉善翱鹰五金制品厂 | A kind of hinge extrusion forming device |
| CN108480410A (en) * | 2018-02-08 | 2018-09-04 | 嘉善翱鹰五金制品厂 | A kind of pressing mechanism for hinge production |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4978122A (en) * | 1988-01-05 | 1990-12-18 | Christian Dibowski | Barbell |
| CN2155905Y (en) * | 1993-03-31 | 1994-02-16 | 如东县第二通用机械厂 | Integral lever for weight lifting |
| CN2778423Y (en) * | 2005-03-02 | 2006-05-10 | 刘宗信 | Metal pipe surface forming device |
| CN202779244U (en) * | 2012-07-19 | 2013-03-13 | 福州诺贝尔福基机电有限公司 | One-step forming mould for double-convex ring at end of metal pipe |
| CN103537503A (en) * | 2013-09-30 | 2014-01-29 | 广州捷晟自动化控制设备有限公司 | Double-end pipe molding process and device |
-
2014
- 2014-05-09 CN CN201410194157.2A patent/CN104353690B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4978122A (en) * | 1988-01-05 | 1990-12-18 | Christian Dibowski | Barbell |
| CN2155905Y (en) * | 1993-03-31 | 1994-02-16 | 如东县第二通用机械厂 | Integral lever for weight lifting |
| CN2778423Y (en) * | 2005-03-02 | 2006-05-10 | 刘宗信 | Metal pipe surface forming device |
| CN202779244U (en) * | 2012-07-19 | 2013-03-13 | 福州诺贝尔福基机电有限公司 | One-step forming mould for double-convex ring at end of metal pipe |
| CN103537503A (en) * | 2013-09-30 | 2014-01-29 | 广州捷晟自动化控制设备有限公司 | Double-end pipe molding process and device |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108405643A (en) * | 2018-02-08 | 2018-08-17 | 嘉善翱鹰五金制品厂 | A kind of hinge extrusion forming device |
| CN108480410A (en) * | 2018-02-08 | 2018-09-04 | 嘉善翱鹰五金制品厂 | A kind of pressing mechanism for hinge production |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104353690B (en) | 2017-06-06 |
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Address after: 221300 Jiangsu Xuzhou Pizhou City gun truck Street office high tech Industrial Park Binhu Avenue north side Patentee after: JIANGSU KANGLIYUAN GYM EQUIPMENT CO., LTD. Address before: 223130 Jiangsu Xuzhou Pizhou high tech Industrial Park, Binhu Road, Jun Xia Sports Industrial Park Patentee before: XUZHOU JUNXIA GYM EQUIPMENT CO., LTD. |
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Address after: 221300 Jiangsu Xuzhou Pizhou City gun truck Street office high tech Industrial Park Binhu Avenue north side Patentee after: Jiangsu kangliyuan Sports Technology Co.,Ltd. Address before: 221300 Jiangsu Xuzhou Pizhou City gun truck Street office high tech Industrial Park Binhu Avenue north side Patentee before: Jiangsu Kangliyuan Fitness Equipment Co.,Ltd. |
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