CN101692140A - Earpiece linking pin forging technology - Google Patents
Earpiece linking pin forging technology Download PDFInfo
- Publication number
- CN101692140A CN101692140A CN200910152665A CN200910152665A CN101692140A CN 101692140 A CN101692140 A CN 101692140A CN 200910152665 A CN200910152665 A CN 200910152665A CN 200910152665 A CN200910152665 A CN 200910152665A CN 101692140 A CN101692140 A CN 101692140A
- Authority
- CN
- China
- Prior art keywords
- blank
- earpiece
- projection
- big end
- big
- 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.)
- Granted
Links
Images
Landscapes
- Forging (AREA)
Abstract
The invention relates to an earpiece linking pin forging technology, in particular to a forging technology which is suitable for acetate fiber slab spring earpiece linking pins. The invention provides the following technical scheme that the earpiece linking pin forging technology comprises the following steps: firstly, forging blanks into a semifinished product; blanking the rough selvedge of the forged semifinished product; performing blank pressing, drawing, extruding and correcting to the semifinished product whose rough selvedge is blanked. By the above technical scheme, the invention provides the earpiece linking pin forging technology which has simpler processing process, improves production efficiency, prevents axial deviation between the earpiece pin and the acetate fiber slab when the earpiece pin is inserted in the acetate fiber slab and has accurate size.
Description
Technical field
The present invention relates to a kind of earpiece linking pin forging technology, particularly a kind of acetate fiber sheet material spring eye mirror pin disjunctor linking pin forging technology that is applicable to.
Background technology
Acetate fiber sheet material earpiece contact pin is made of catapult box and extension stitch, processing for acetate fiber sheet material earpiece contact pin is carried out punching press (this blank is for extending the turned blank of stitch) with an end of blank usually, to be placed into the punching press end that extends stitch by the catapult box that cutting forms then, and adopt spot welding with the catapult box and extend the stitch welding, also need acetate fiber sheet material earpiece contact pin with machine-shaping to be inserted into after welding finishes and realize finishing of lock pin technology in the acetate fiber sheet material that carries out hot mastication.
In the technique scheme, the catapult box need adopt manually-operated with the welding of extending stitch, and the procedure of processing of catapult box is more loaded down with trivial details, and its machining precision and process equipment all had special requirement, and production cost is higher; Because procedure of processing is loaded down with trivial details, has directly had influence on process velocity, makes production efficiency lower, can't realize streamline production.
Summary of the invention
At the deficiency that prior art exists, the invention provides a kind of process easy, enhance productivity, prevent axially to produce between the two when the earpiece contact pin is inserted in the acetate fiber sheet material depart from, the true-to-size earpiece linking pin forging technology.
For achieving the above object, the invention provides following technical scheme: a kind of earpiece linking pin forging technology, its step includes: at first blank is forged into blank, the burr of blank with forging and pressing carry out stamping-out then, thereafter the blank behind the stamping-out burr are carried out flanging, draws extruding and proofread and correct.
Adopt technique scheme, the earpiece contact pin forges and presses blank in its technology by with the blank forging forming, and deflashing, flanging and the last extruding of drawing are proofreaied and correct, replace traditional method for processing, make that traditional two component shape that unite two into one just can machine-shaping by a blank; And in process, owing to be the one forging and pressing, so deviation can not take place in catapult box that forges and presses out and the size of extending between the stitch, the catapult box is in the position of extending on the stitch can run-off the straight yet, having prevented effectively that the earpiece contact pin is inserted in the acetate fiber sheet material axially to produce between the two departs from, and this technology has reduced the required operation of traditional processing, makes process easy, and it adds and can adopt man-hour pipeline system to implement, thereby has improved process velocity and efficient.
The present invention further is set to: adopt the blank of diameter different cylindric metal column in two ends as manufacturing spectacle pin contact pin, one end of this blank is greater than the other end, its bigger end is forged and pressed, an end of end is parallel with small end greatly after the forging and pressing, the other end extends projection along the small end side face, big end forges and presses out flat ear respectively with the junction and the protruding both sides of small end, and the other end place that big end combines with small end relatively forges and presses out projection; Big end to blank carries out stamping-out, and flat ear and projection are punched respectively, and the xsect that should hold greatly this moment is rectangular; The end face parallel with small end to big end carries out punching press, forms the shoulder rank between projection and the big end, and big end projection is slightly larger than its top near an end on shoulder rank after this operation.
Adopt technique scheme, not only improved production efficiency, and only need a small amount of, easy in-process just can forge and press out the earpiece contact pin.
The present invention further is set to: described the big end of the blank end face parallel with small end carried out punching press, the both lateral sides limit of the big end projection of blank all the edge can occur, forms the shoulder rank between the projection of this edge and big end.
Adopt technique scheme, the both lateral sides limit of the big end projection of blank is stamped out the edge, and guiding and earpiece contact pin when this edge plays earpiece contact pin with moulding and is inserted into the acetate fiber sheet material of hot mastication are in the effect that the location in the acetyl cellulose sheet cooperates; Simultaneously the edge can also play the both sides that make big end projection and obtains the well-balanced extruding of drawing and proofread and correct, feasible projection is returned to rectangle, accurately hold the size of protruding both sides greatly and reduce the roughness value of the protruding both sides of big end with this, conveniently the both sides of the big end projection of earpiece contact pin after the machine-shaping are polished.
The present invention further is set to: the blank after the flanging is drawn extruding proofread and correct, the xsect that constitutes the big end projection of blank returns back to rectangular-shaped.
Wherein, be that benchmark draws the extruding correction to it along blank axially and with the joint portion of the big end of blank and small end.
Adopt technique scheme and since after the flanging with blank when taking out in the mould, big end projection can be slightly larger than its top (cross section of the big end projection of this moment is trapezoidal) near an end on shoulder rank.Drawing the extruding correction then can make the projection of big end return back to rectangle, after the projection of big end returned back to rectangle, the projection of big end just can not be squeezed to the material in the acetate fiber sheet material outer and cause the surface of acetate fiber sheet material the waste material that is difficult to strike off to occur when being inserted in the acetate fiber sheet material.
Below in conjunction with accompanying drawing the present invention further is described:
Description of drawings
The process flow diagram of Fig. 1 for processing in the embodiment of the invention;
Fig. 2 is the side view after the blank forging and pressing in the embodiment of the invention;
Fig. 3 is the A-A cut-open view of Fig. 2;
Fig. 4 is the side view behind the punching press burr in the embodiment of the invention;
Fig. 5 is the B-B cut-open view of Fig. 4;
Fig. 6 is the side view after flanging and the demoulding in the embodiment of the invention;
Fig. 7 is the C-C cut-open view of Fig. 6;
Fig. 8 is for drawing the side view after extruding is proofreaied and correct in the embodiment of the invention;
Fig. 9 is the D-D cut-open view of Fig. 8.
Embodiment
A kind of earpiece linking pin forging technology as shown in Figure 1, through a plurality of steps and continuous forging and pressing, its concrete steps comprise following some: at first blank 1 is forged into blank, the burr of blank with forging and pressing carry out stamping-out then, thereafter the blank behind the stamping-out burr are carried out flanging and draw extruding and proofread and correct.By adopting technique scheme, the earpiece contact pin in its technology forges and presses blank deflashing, flanging and last moulding by with the blank forging forming, replace traditional method for processing, make that traditional two component shape that unite two into one just can machine-shaping by a blank; And in process, owing to be the one forging and pressing, so deviation can not take place in catapult box 11 that forges and presses out and the size of extending between the stitch 12, catapult box 11 is in the position of extending on the stitch 12 can run-off the straight yet, effectively prevented from axially to produce between the two when the earpiece contact pin is inserted in the acetate fiber sheet material and departed from, this technology has reduced the required operation of traditional processing, make process easy, and it adds and can adopt man-hour pipeline system to implement, thereby has improved process velocity and efficient.
As Fig. 2, Fig. 3, Fig. 4, Fig. 5, Fig. 6, Fig. 7, Fig. 8, shown in Figure 9, in embodiments of the present invention, described blank 1 is the different cylindric metal column of two ends diameter, one end of this blank 1 is greater than the other end, its bigger end is forged and pressed, one end of its big end 13 of forging and pressing back is parallel with small end 14, the other end extends projection 131 along small end 14 side faces, big end 13 forges and presses out flat ear 132 respectively with the junction of small end 14 and the both sides, middle part of projection 131, holds 13 other end places that combine with small end 14 relatively to forge and press out projection 133 greatly; Big end 13 to blank 1 carries out stamping-out then, and flat ear 132 and projection 133 are punched respectively, and the xsect that this moment should big end 13 is rectangular, so just can guarantee to hold greatly 13 corresponding with the position of small end 14 and size; Big end 13 and small end 14 parallel end faces 134 are carried out punching press, form shoulder rank 135 between projection 131 and the big end 13, hold this moment 13 xsect to be " T " font greatly; In the above-mentioned punching course, after big end 13 and small end 14 parallel end faces 134 carry out punching press to blank 1, the big end of blank 13 protruding 131 both lateral sides limits all the edge can occur, guiding and earpiece contact pin were in the effect of the location cooperation in the acetyl cellulose sheet when this edge played earpiece contact pin with moulding and is inserted into the acetate fiber sheet material of hot mastication, simultaneously the edge can also play the both sides that make big end 13 projectioies 131 and obtains the well-balanced extruding of drawing and proofread and correct, roughness value with this accurately big size of holding and the big end of reduction by 13 protruding 131 both sides, conveniently the both sides of big end 13 projectioies 131 of the earpiece contact pin after the machine-shaping are polished, need to prove, after big end 13 draws the extruding correction, the both sides end face of big end 13 projectioies 131 is approaching more parallel, is beneficial to more in the acetate fiber sheet material that the earpiece contact pin is inserted into hot mastication.
In above-mentioned operation, after parallel end face 134 punching presses of big end 13 and small end 14, with it when taking out in the mould, because the heading of mould inside, make the big part of the material on 13 protruding 131 tops 1311 of holding be extruded to an end 1312 places of big end 13 projectioies 131 near shoulder rank 135, make big end 13 projectioies 131 be slightly larger than its top 1311 near an end 1312 on shoulder rank 135, if earpiece contact pin that will this moment of moulding is inserted into the material that then can cause in the acetate fiber sheet material of hot mastication in the acetate fiber sheet material and is squeezed to outer and causes the surface of acetate fiber sheet material the waste material that is difficult to strike off to occur, take place for overcoming this type of situation, the blank 1 of final step of the present invention after with flanging draws extruding to be proofreaied and correct, axial along blank 1, and be that benchmark draws extruding and proofreaies and correct with the joint portion of the big end 13 of blank 1 and small end 14, make that end 13 projectioies 131 are pushed towards its top 1311 near the partial material of an end 1312 on shoulder rank 135 greatly, other has end 1313 extruding of partial material towards big end 13, adopt aforesaid way that the big end of earpiece contact pin is drawn the extruding correction, the big end 13 of the earpiece contact pin after the correction can not have a rebound, and the shape of its big end 13 is consistent with desired shape.
Claims (5)
1. earpiece linking pin forging technology, its step includes: at first blank is forged into blank, the burr with the blank of forging and pressing carry out stamping-out then, thereafter the blank behind the stamping-out burr are carried out flanging, draws extruding and proofread and correct.
2. earpiece linking pin forging technology according to claim 1, it is characterized in that: adopt the blank of diameter different cylindric metal column in two ends as manufacturing spectacle pin contact pin, one end of this blank is greater than the other end, its bigger end is forged and pressed, an end of end is parallel with small end greatly after the forging and pressing, the other end extends projection along the small end side face, and big end forges and presses out flat ear respectively with the junction and the protruding both sides of small end, and the other end place that big end combines with small end relatively forges and presses out projection; Big end to blank carries out stamping-out, and flat ear and projection are punched respectively, and the xsect that should hold greatly this moment is rectangular; The end face parallel with small end to big end carries out punching press, forms the shoulder rank between projection and the big end, and big end projection is slightly larger than its top near an end on shoulder rank after this operation.
3. earpiece linking pin forging technology according to claim 2, it is characterized in that: described the big end of the blank end face parallel with small end carried out punching press, the both lateral sides limit of the big end projection of blank all the edge can occur, forms the shoulder rank between the projection of this edge and big end.
4. according to claim 1 or 2 or 3 described earpiece linking pin forging technologies, it is characterized in that: the blank after the flanging is drawn extruding proofread and correct, the xsect that constitutes the big end projection of blank returns back to rectangular-shaped.
5. earpiece linking pin forging technology according to claim 4 is characterized in that: is that benchmark draws the extruding correction to it along blank axially and with the joint portion of the big end of blank and small end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009101526653A CN101692140B (en) | 2009-09-11 | 2009-09-11 | Earpiece linking pin forging technology |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009101526653A CN101692140B (en) | 2009-09-11 | 2009-09-11 | Earpiece linking pin forging technology |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101692140A true CN101692140A (en) | 2010-04-07 |
| CN101692140B CN101692140B (en) | 2011-03-30 |
Family
ID=42080845
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009101526653A Expired - Fee Related CN101692140B (en) | 2009-09-11 | 2009-09-11 | Earpiece linking pin forging technology |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101692140B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2015031959A (en) * | 2013-08-01 | 2015-02-16 | 株式会社成山精工 | Wide spectacle having light weight and two-tone feeling and using synthetic resin |
| CN111085831A (en) * | 2020-01-02 | 2020-05-01 | 佛山市德展汽车零部件有限公司 | Machining method for motor fixing seat of automobile electric seat |
| CN114346133A (en) * | 2022-01-21 | 2022-04-15 | 温州易科自动化设备有限公司 | Automatic forging and stamping equipment for temple wires |
| CN116207034A (en) * | 2023-05-04 | 2023-06-02 | 烟台台芯电子科技有限公司 | Tooling fixture and IGBT module pin inserting method applying tooling fixture |
-
2009
- 2009-09-11 CN CN2009101526653A patent/CN101692140B/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2015031959A (en) * | 2013-08-01 | 2015-02-16 | 株式会社成山精工 | Wide spectacle having light weight and two-tone feeling and using synthetic resin |
| CN111085831A (en) * | 2020-01-02 | 2020-05-01 | 佛山市德展汽车零部件有限公司 | Machining method for motor fixing seat of automobile electric seat |
| CN114346133A (en) * | 2022-01-21 | 2022-04-15 | 温州易科自动化设备有限公司 | Automatic forging and stamping equipment for temple wires |
| CN116207034A (en) * | 2023-05-04 | 2023-06-02 | 烟台台芯电子科技有限公司 | Tooling fixture and IGBT module pin inserting method applying tooling fixture |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101692140B (en) | 2011-03-30 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| KR100992801B1 (en) | Bearing seal, a manufacturing device and method of the same | |
| CN101692140B (en) | Earpiece linking pin forging technology | |
| CN102189374B (en) | Manufacturing method of flange structure | |
| TW200803687A (en) | Manufacturing method of the housing for LCD module and housing made by the same | |
| WO2015075940A1 (en) | Production method for forged crank shaft | |
| JP2010120032A (en) | Press forming method | |
| CN104550479A (en) | High-precision hardware stamping die and stamping method thereof | |
| CN107234174A (en) | The forming process of automobile longitudinal girder | |
| US8745873B2 (en) | Method for manufacturing the slider of a linear sliding rail | |
| DE112008000846B4 (en) | Method of making a compressor pulley | |
| JP3787767B2 (en) | Method for manufacturing hooked connecting shaft | |
| JP2014516801A (en) | Manufacturing method of hollow profile material with slit | |
| JP2014144463A (en) | Press working method and metal mold | |
| JP6029748B2 (en) | Press-formed product and manufacturing method thereof | |
| CN101811159B (en) | Punching method of tube hole set and stamping die thereof | |
| CN102927103A (en) | Open-contraction brake block rivet and production method thereof | |
| CN102527792A (en) | Manufacturing method of 8-byte grating steel frame | |
| CN102161074A (en) | Manufacturing method of wing nut | |
| CN108971302B (en) | Processing method of thin-walled piece inner flanging | |
| CN209856563U (en) | Flange forging and positioning and trimming die thereof | |
| JP4360125B2 (en) | Molding method | |
| JP6737344B2 (en) | Manufacturing method of forged crankshaft | |
| KR101480440B1 (en) | Making method of pan nut | |
| CN103551480B (en) | A kind of finish forge mould for mount pad forging and finish forge method | |
| CN211059782U (en) | Prefabricated part for stamping tongue-cutting piece |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| 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: 20110330 Termination date: 20130911 |