CN103481020A - Manufacturing process of inflating valve core rod - Google Patents
Manufacturing process of inflating valve core rod Download PDFInfo
- Publication number
- CN103481020A CN103481020A CN201210194717.5A CN201210194717A CN103481020A CN 103481020 A CN103481020 A CN 103481020A CN 201210194717 A CN201210194717 A CN 201210194717A CN 103481020 A CN103481020 A CN 103481020A
- Authority
- CN
- China
- Prior art keywords
- bar
- round metal
- valve cock
- metal bar
- core bar
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 18
- 229910052751 metal Inorganic materials 0.000 claims abstract description 57
- 239000002184 metal Substances 0.000 claims abstract description 57
- 238000000034 method Methods 0.000 claims abstract description 41
- 239000000463 material Substances 0.000 claims abstract description 23
- 238000005520 cutting process Methods 0.000 claims description 13
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical group [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 5
- 229910052782 aluminium Inorganic materials 0.000 claims description 5
- 239000004411 aluminium Substances 0.000 claims description 4
- 238000009423 ventilation Methods 0.000 abstract 1
- 238000005516 engineering process Methods 0.000 description 3
- 238000003754 machining Methods 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 229910001369 Brass Inorganic materials 0.000 description 1
- 244000273618 Sphenoclea zeylanica Species 0.000 description 1
- 239000010951 brass Substances 0.000 description 1
- 238000010924 continuous production Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000005987 sulfurization reaction Methods 0.000 description 1
- 238000007514 turning Methods 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
- B21J5/00—Methods for forging, hammering, or pressing; Special equipment or accessories therefor
- B21J5/06—Methods for forging, hammering, or pressing; Special equipment or accessories therefor for performing particular operations
- B21J5/10—Piercing billets
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P2700/00—Indexing scheme relating to the articles being treated, e.g. manufactured, repaired, assembled, connected or other operations covered in the subgroups
- B23P2700/50—Other automobile vehicle parts, i.e. manufactured in assembly lines
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60C—VEHICLE TYRES; TYRE INFLATION; TYRE CHANGING; CONNECTING VALVES TO INFLATABLE ELASTIC BODIES IN GENERAL; DEVICES OR ARRANGEMENTS RELATED TO TYRES
- B60C29/00—Arrangements of tyre-inflating valves to tyres or rims; Accessories for tyre-inflating valves, not otherwise provided for
- B60C29/06—Accessories for tyre-inflating valves, e.g. housings, guards, covers for valve caps, locks, not otherwise provided for
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K15/00—Check valves
- F16K15/20—Check valves specially designed for inflatable bodies, e.g. tyres
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Forging (AREA)
Abstract
The invention provides a manufacturing process of an inflating valve core rod for simplifying the manufacturing process of the inflating valve core rod. The manufacturing process comprises the following steps that a cold upsetting process is used for processing a metal round rod material for processing a ventilation hole of the inflating valve core rod in the first section of the metal round rod material; the inner side and the outer periphery of the second section of the metal round rod material are processed for forming a core cavity, internal screw threads and external screw threads of the inflating valve core rod.
Description
Technical field
The present invention relates to the valve cock on automobile tire, especially relate to the manufacture craft of valve cock core bar.
Background technology
Be widely used pneumatic tire in all kinds of automobiles such as truck, car, pneumatic tire is equipped with valve cock to carry out inflation/deflation.The kind of valve cock is a lot, and wherein buckle type valve cock is that current car uses the most general valve cock, and its structure as shown in Figure 1, comprises buckle mouth 11, core bar 12, valve inside 13 and sealing cap 14.
The core bar 12 of this valve cock as shown in Figure 2.At present, the core bar of the various valve cocks such as buckle type valve cock is to be made with the direct turning process of round bar, then rubber bodies in the outside sulfuration of core bar.As the seal with wheel rim, in the inside, core chamber of core bar 12, valve inside 13 is installed used as inflation, load onto sealing cap 13 at the end of thread of core bar, be used as secondary seal and prevent the dust intrusion.
Fig. 3 A-3C illustrates the process of using metal cutting to make the valve cock core bar.Shown in Fig. 3 A, a round bar 30 is provided, the material of round bar 30 can be selected brass, aluminium etc.Then, as shown in Figure 3 B, first paragraph 31 use the 1st road metal cutting processing at round bar 30, form passage 33, core chamber 34, internal and external screw thread etc.Finally, as shown in Figure 3 C, at the second segment 32 at round bar 30, use the 2nd road metal cutting processing, form periphery, the conical surface and end face etc.
But, directly to carry out Cutting Process with round bar and make core bar, stock utilization is low, and manufacturing procedure is many, causes material cost and metal cutting processing cost all very high.
Summary of the invention
Technical problem to be solved by this invention is to provide a kind of manufacture craft of valve cock core bar, to simplify the production process of core bar.
The present invention solves the problems of the technologies described above the manufacture craft that the technical scheme adopted is a kind of valve cock core bar of proposition, comprise the following steps: use cold heading technique to be processed a round metal bar, to process the passage of this valve cock core bar in the first paragraph at this round metal bar; And inside and the periphery of processing the second segment of this round metal bar, to form core chamber, internal thread and the external screw thread of this valve cock core bar.
In one embodiment of this invention, this passage has constant internal diameter.
In one embodiment of this invention, the material of this round metal bar is aluminium 6061.
The method of in one embodiment of this invention, processing the second segment of this round metal bar is metal cutting processing.
In one embodiment of this invention, the step of using cold heading technique to be processed this round metal bar comprises: this round metal bar is inserted in the die cavity of cold headers, these cold headers have the drift relative with this die cavity, this drift comprises that a body, with inner chamber is located at this body front end and is located at the cylindrical impact portion in the inner chamber of this body around the ring-type supporting part and of this inner chamber, has a gap between the inner chamber of this impact portion and this body; Use this drift to impact this round metal bar, make this supporting part and this impact portion push this round metal bar from periphery and inner chamber respectively, the part material of this round metal bar is squeezed in this gap; Return to this drift, thereby form by formed this passage of this impact portion on this round metal bar; And this round metal bar after processing ejects from die cavity.
The present invention, owing to adopting above technical scheme, makes it compared with prior art, owing to cold heading technique, forming passage, does not need complicated metal cutting process, therefore can significantly simplify working process.And, because cold heading technique need to not removed material from the round metal bar in fact, therefore form the also significantly loss of less material of process of passage.
The accompanying drawing explanation
For above-mentioned purpose of the present invention, feature and advantage can be become apparent, below in conjunction with accompanying drawing, the specific embodiment of the present invention is elaborated, wherein:
Fig. 1 illustrates the structure of buckle type valve cock.
Fig. 2 illustrates the structure of valve cock core bar.
Fig. 3 A-3C illustrates and uses existing metal cutting to make the process of valve cock core bar.
Fig. 4 A-4C illustrates the process of the technique making valve cock core bar that uses one embodiment of the invention.
Fig. 5 A-5G illustrates the example process of cold heading technique.
The specific embodiment
The described valve cock core bar of embodiments of the invention preparation method, adopt automatical and efficient cold heading technique partly to replace metal cutting, to reduce material cost and manufacturing cost.
Fig. 4 A-4C illustrates the process of the technique making valve cock core bar that uses one embodiment of the invention.At first with reference to shown in Fig. 4 A, at first provide a round metal charge bar 40.The diameter of this round metal charge bar 40 and the core bar diameter after moulding are roughly the same, but the length of round metal charge bar 40 can be significantly shorter than the core bar length after moulding.Shown in Fig. 4 B, use cold heading technique to be processed round metal bar 40, to process the passage 43 of valve cock core bar in the first paragraph 41 at round metal bar 40.Attach, on the periphery of first paragraph 41, with the interface branch of second segment 42, form inclined-plane 44.With reference to shown in Fig. 4 C, inside and the periphery of the second segment 42 of processing metal round bar 40, to form core chamber 45, internal thread and the external screw thread of valve cock core bar afterwards.
This passage 43 is that the hollow stem formed after the part material due to round metal bar 40 is extruded, elongates in cold heading technique causes.Different from metal cutting, cold heading technique is one-shot forming, so operation has obtained remarkable simplification.In addition, cold heading technique need to not removed material from round metal bar 40 in fact, therefore forms the significantly loss of less material of process of passage 43.
In addition, the method for the second segment 42 of processing metal round bar 40 can be metal cutting processing.
Comparison diagram 4C and Fig. 3 C can find out, the passage 43 of the core bar of the technique made of the present embodiment has constant internal diameter, and the passage 33 of the core bar of existing Cutting Process made has the internal diameter varied in size.Here to the simplification of the shape of passage 43, equally can so that production process simplify, and on the not impact of performance of core bar.
In an embodiment of the present invention, the material of round metal bar 40 can be aluminium 6061.
In embodiments of the invention, with ripe cold headers, implement above-mentioned cold heading technique.Cold headers are a kind of automatic, efficient, continuous production equipments.After equipment is adjusted, cold headers can will become required shape to the whole upsettings of supplied raw material automatically, and complete Auto-counting.The cold-heading efficiency of making above-mentioned passage is 80 of output per minute.
Fig. 5 A-5G illustrates the example process of cold heading technique.Shown in Fig. 5 A, cold headers 50 can have die cavity 51, ejector beam 52, drift body 53, supporting part 54 and impact portion 55.Drift body 53, supporting part 54 and impact portion 55 form drift.Drift is relative with die cavity 51.Drift body 53 has an inner chamber; Supporting part 54 in the form of a ring, is located at the front end of this body 53 and around this inner chamber.Impact portion 55 is cylindrical and is located at this inner chamber, between the inner chamber of impact portion 55 and body 53, has a gap.
As shown in Figure 5 B, at first round metal bar 40 is inserted in the die cavity 51 of cold headers.
As shown in Fig. 5 C-5D, use drift to impact round metal bar 40, make the supporting part 54 of drift and impact portion 55 respectively from periphery and inner chamber extrusion metal round bar 40, the part material of this round metal bar is squeezed in the gap between the inner chamber of impact portion 55 and body 53.
As shown in Fig. 5 E-5F, return to drift, thereby form by the formed passage 43 of this impact portion on this round metal bar 40.
Shown in Fig. 5 E-5G, ejector beam 52 ejects the round metal bar 40 after processing from die cavity, drops in finished product box simultaneously.Then, ejector beam 52 returns to initial position.
The valve cock core bar of making by the method for the embodiment of the present invention, compared with prior art, not only simplified processing technology, and improved stock utilization.
Below with actual data, the embodiment of the present invention and the advantage of existing technique on the materials'use amount are described.
The embodiment of the present invention technique and the stock utilization of direct metal machining with reference to following table 1.
The stock utilization of two kinds of techniques of table 1
Can find out, about stock utilization of the present invention is doubled.
Due to the raising of stock utilization, the present invention can significantly reduce material cost.Following table 2 illustrate the embodiment of the present invention technique and the material cost of direct metal machining relatively.
Two kinds of material costs of table 2 relatively
From table 2, with aluminum relatively, each material cost of each core bar is reduced to 0.061 yuan by 0.105, saves 051 yuan, is 58% of former process materials cost.
Although the present invention discloses as above with preferred embodiment; so it is not in order to limit the present invention, any those skilled in the art, without departing from the spirit and scope of the present invention; when doing a little modification and perfect, so protection scope of the present invention is worked as with being as the criterion that claims were defined.
Claims (6)
1. the manufacture craft of a valve cock core bar comprises the following steps:
Use cold heading technique to be processed a round metal bar, to process the passage of this valve cock core bar in the first paragraph at this round metal bar; And
Process inside and the periphery of the second segment of this round metal bar, to form core chamber, internal thread and the external screw thread of this valve cock core bar.
2. the manufacture craft of valve cock core bar as claimed in claim 1, is characterized in that, this passage has constant internal diameter.
3. the manufacture craft of valve cock core bar as claimed in claim 1, is characterized in that, the material of this round metal bar is aluminium 6061.
4. the manufacture craft of valve cock core bar as claimed in claim 1, is characterized in that, the method for processing the second segment of this round metal bar is metal cutting processing.
5. the manufacture craft of valve cock core bar as claimed in claim 1, is characterized in that, the step of using cold heading technique to be processed this round metal bar comprises:
This round metal bar is inserted in the die cavity of cold headers, these cold headers have the drift relative with this die cavity, this drift comprises that a body, with inner chamber is located at this body front end and is located at the cylindrical impact portion in the inner chamber of this body around the ring-type supporting part and of this inner chamber, has a gap between the inner chamber of this impact portion and this body;
Use this drift to impact this round metal bar, make this supporting part and this impact portion push this round metal bar from periphery and inner chamber respectively, the part material of this round metal bar is squeezed in this gap;
Return to this drift, thereby form by formed this passage of this impact portion on this round metal bar; And
This round metal bar after processing is ejected from die cavity.
6. the manufacture craft of valve cock core bar as claimed in claim 1, is characterized in that, this valve cock is buckle mouth formula valve cock.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210194717.5A CN103481020A (en) | 2012-06-13 | 2012-06-13 | Manufacturing process of inflating valve core rod |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210194717.5A CN103481020A (en) | 2012-06-13 | 2012-06-13 | Manufacturing process of inflating valve core rod |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103481020A true CN103481020A (en) | 2014-01-01 |
Family
ID=49821799
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210194717.5A Pending CN103481020A (en) | 2012-06-13 | 2012-06-13 | Manufacturing process of inflating valve core rod |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103481020A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105081694A (en) * | 2015-08-14 | 2015-11-25 | 丁海迅 | Ratchet ring manufacturing technologies |
| CN109013996A (en) * | 2018-09-06 | 2018-12-18 | 宁波思明汽车附件有限公司 | A kind of cold-heading molding valve cock and its moulding process |
| CN109732291A (en) * | 2019-03-19 | 2019-05-10 | 张保帅 | A kind of aluminum alloy valve body and its manufacturing process |
| CN109944973A (en) * | 2019-03-19 | 2019-06-28 | 张保帅 | A kind of bending aluminium Valve tip body and its processing method |
| CN118989883A (en) * | 2024-10-23 | 2024-11-22 | 宁波帅德汽车附件有限公司 | Processing technology of stainless steel automobile inflating valve |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1168303A (en) * | 1995-12-13 | 1997-12-24 | 挪威海德罗公开有限公司 | Back extrusion process for forming manifold port |
| CN1994663A (en) * | 2006-12-19 | 2007-07-11 | 叶万青 | Processing technique for forming air nozzle of lighter |
| CN101618498A (en) * | 2009-07-17 | 2010-01-06 | 宁波安拓实业有限公司 | Manufacturing process of adjusting nut |
| CN201380731Y (en) * | 2009-02-12 | 2010-01-13 | 上海保隆汽车科技股份有限公司 | Buckle-type valve rod of inflating valve |
| CN102359629A (en) * | 2011-09-16 | 2012-02-22 | 宁波市鄞州金钢汽配厂 | Air valve nozzle core manufacture method |
-
2012
- 2012-06-13 CN CN201210194717.5A patent/CN103481020A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1168303A (en) * | 1995-12-13 | 1997-12-24 | 挪威海德罗公开有限公司 | Back extrusion process for forming manifold port |
| CN1994663A (en) * | 2006-12-19 | 2007-07-11 | 叶万青 | Processing technique for forming air nozzle of lighter |
| CN201380731Y (en) * | 2009-02-12 | 2010-01-13 | 上海保隆汽车科技股份有限公司 | Buckle-type valve rod of inflating valve |
| CN101618498A (en) * | 2009-07-17 | 2010-01-06 | 宁波安拓实业有限公司 | Manufacturing process of adjusting nut |
| CN102359629A (en) * | 2011-09-16 | 2012-02-22 | 宁波市鄞州金钢汽配厂 | Air valve nozzle core manufacture method |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105081694A (en) * | 2015-08-14 | 2015-11-25 | 丁海迅 | Ratchet ring manufacturing technologies |
| CN109013996A (en) * | 2018-09-06 | 2018-12-18 | 宁波思明汽车附件有限公司 | A kind of cold-heading molding valve cock and its moulding process |
| CN109732291A (en) * | 2019-03-19 | 2019-05-10 | 张保帅 | A kind of aluminum alloy valve body and its manufacturing process |
| CN109944973A (en) * | 2019-03-19 | 2019-06-28 | 张保帅 | A kind of bending aluminium Valve tip body and its processing method |
| CN109944973B (en) * | 2019-03-19 | 2020-12-22 | 宁波帅德汽车附件有限公司 | Bent aluminum air valve body and processing method thereof |
| CN118989883A (en) * | 2024-10-23 | 2024-11-22 | 宁波帅德汽车附件有限公司 | Processing technology of stainless steel automobile inflating valve |
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| PB01 | Publication | ||
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Application publication date: 20140101 |