CN101972809A - Stamping technology of waist holes on metal square tubes - Google Patents
Stamping technology of waist holes on metal square tubes Download PDFInfo
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- CN101972809A CN101972809A CN 201010263994 CN201010263994A CN101972809A CN 101972809 A CN101972809 A CN 101972809A CN 201010263994 CN201010263994 CN 201010263994 CN 201010263994 A CN201010263994 A CN 201010263994A CN 101972809 A CN101972809 A CN 101972809A
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Abstract
The invention discloses stamping technology of waist holes on metal square tubes, belonging to the technical field of accurate machining of parts of metal square tubes. The stamping technology is characterized by utilizing transverse stamping technology to replace the original milling machine machining or ion and laser cutting machining mode to stamp waist holes on the high-frequency welded square tubes. The stamping technology solves the problem of the relations between the position requirements and the coaxiality of the waist holes installed on the bent tube products, improves the product quality and the production efficiency and solves the problems of the production process flow and production layout.
Description
Technical field
The present invention relates to a kind of process technology of metal side tube, the punch process technology in particularly a kind of metal side tube waist hole.
Background technology
For the higher metal parts of shape need, the accuracy of each position on these parts requires also higher usually.The processing of waist hole is a kind of processing structure common in the mechanical field, and the technology in processing waist hole but differs and reaches required exact position of parts and quality surely.
As car luggage compartment hinge series products, main parts are the type that colludes products of high-frequency welding square tube machine-shaping.Because the effect of product itself is the part that connects the luggage lid, need process the waist hole on the good position of accurate Calculation.The waist hole is respectively to be provided with two in the body both sides of raw material high-frequency welding square tube, and promptly the two sides just is four, for reaching connection safety, service life appropriate purpose, the waist hole site on the position in waist hole and corresponding two sides all requires more accurate, and especially axiality concerns, is determining the quality of product.
The processing method of prior art has two kinds of milling machine processing or ion and Laser cutting usually.The milling machine method for processing is to carry out Milling Process by positioning fixture, needs special-purpose machinery, and it is bigger to inject capital into, and the technology circuit grows (boring → milling → deburring), and efficient is low; Another kind method is the mode of ion, Laser cutting, plasma cutting process circuit long (boring → cutting secondary → go welding slag), and surface quality is poor, and efficient is low.And Laser cutting (cutting secondary → go welding slag), fund input is big, the secondary location, and size and form and position tolerance are bigger, the difficult control of quality.
According to the defective of above-mentioned technology, the technology of punching press also is a kind of good processing method, and existing, uses the process technology of process for stamping all to adopt vertical punching press, and method is inserted in the mould for workpiece being divided secondary, finishes two holes of one side at every turn.This technology is simple, the effect height, and shortcoming is the secondary location, and the workpiece secondary inserts difficulty, and the coaxial requirement in hole and form and position tolerance are difficult to control.
Summary of the invention
For solving the problems of the technologies described above, the invention provides the punch process technology in a kind of metal side tube waist hole, adopt horizontal punch process waist hole, once finish four waist holes on workpiece two sides, solved the accurate problem of waist hole axiality and Geometrical Tolerance Principle, improved the production efficiency and the quality of production, technical conditions are perfect.
The present invention realizes by following technical scheme:
The punch process technology in a kind of metal side tube waist hole, (1) inserts the die of punch press with metal side tube to be processed, and is close to the fixed head of die, and punch press moves vertically downward, and what make the punch press patrix tiltedly carves the transverse slider that acts on the punch press counterdie; (2) transverse slider promotes the punch that the punch press counterdie is installed, and makes punch and die acting in conjunction, finishes the punching press in metal side tube waist hole; Axiality can be satisfied at ± 0.1mm in described waist hole, and position of related features is at ± 0.2mm.
The processing mold in a kind of metal side tube waist hole; include upper die and lower die punch press, tiltedly carve, transverse slider, die block, die, movable guide plate and punch; the described patrix that is installed on punch press of tiltedly carving; after the orthogonal installation of transverse slider and punch; be fixed on the counterdie of punch press; the upper and lower surface of described punch is installed movable guide plate, and described die is fixed in the die block, and die block is installed in the center of punch press counterdie.
Described die is offered weld seam slot to make way and waste chamber on its die body.Because being ratio-frequency weldings, take over workpiece raw material to be processed, in weld seam that adds the pipe fitting of to step down man-hour and the processing that adds the waste material in man-hour.
Described punch is shaped as circular-arc at its knife-edge part.The stability of punch in the time of can improving work reduces the damage of side force to punch.
Beneficial effect of the present invention is:
(1) adopts horizontal process for stamping, once finish the processing in 4 waist holes, metal side tube two sides, solved the requirement of waist hole axiality and form and position tolerance;
(2) parts of the step down weld seam and the waste disposal of pipe fitting have been added in the requirement of taking over according to the raw material ratio-frequency welding;
(3) improve production efficiency and product quality, solved the technological process of production and production distribution problem.
Description of drawings
Fig. 1 is the schematic diagram of metal side tube waist hole processing mold
Fig. 2 (1) and 2 (2) is the metal side tube schematic diagram that has the waist hole
Fig. 3 (1-1), 3 (1-2) and 3 (2-1), 3 (2-2) are the schematic diagrames of die
Fig. 4 is the schematic diagram of punch
The specific embodiment
Below in conjunction with drawings and Examples, the present invention will be further described.
Embodiment
As Fig. 1, it is the schematic diagram of metal side tube waist hole processing mold, present embodiment is selected the high-frequency welding square tube, its specification is for producing the model commonly used of car luggage compartment hinge, be Q235B, specification is 25 * 25 * 2mm, requires accurately to process 4-10 * 12mm, the position in hole is hole back gauge 19 ± 0.2mm, four waist holes, the two sides of pitch-row 70 ± 0.2mm.Metal side tube to be processed is inserted the die 4 of punch press, and be close to the fixed head 3 of die 4, punch press moves vertically downward, and what make punch press patrix 71 tiltedly carves 1 transverse slider 2 that acts on punch press counterdie 71; Transverse slider 2 promotes the punch 6 that punch press counterdie 72 is installed, and makes punch 6 and die 4 actings in conjunction, finishes the punching press in metal side tube waist hole.
Employing with hole shape and the position that upper type has carried out three waist holes of punching press in three metal side tube waist holes continuously is:
(1) two waist holes, the left side: shape 10.5 * 12.5mm, hole back gauge 19.2mm, pitch-row is 70.05mm, two waist holes, the right: shape 10.5 * 12.5mm, hole back gauge 19.1mm, pitch-row is 70.05mm;
(2) two waist holes, the left side: shape 10.5 * 12.5mm, hole back gauge 19.2mm, pitch-row is 70.05mm, two waist holes, the right: shape 10.5 * 12.5mm, hole back gauge 19.2mm, pitch-row is 70.05mm;
(3) two waist holes, the left side: shape 10.5 * 12.5mm, hole back gauge 19.1mm, pitch-row is 70.05mm, two waist holes, the right: shape 10.5 * 12.5mm, hole back gauge 19.2mm, pitch-row is 70.05mm;
Axiality all can be satisfied at ± 0.1mm in three waist holes of above-mentioned processing, and position of related features is at ± 0.2mm.
The invention also discloses a kind of punch press that cooperates the improved horizontal punching press of this process technology that is.As Fig. 1, it is the schematic diagram of metal side tube waist hole processing mold, include the punch press 7 of patrix 71 and counterdie 72, tiltedly carve 1, transverse slider 2, die block 3, die 4, movable guide plate 5 and punch 6, tiltedly carve 1 patrix 71 that is installed on punch press 7, after transverse slider 2 and the punch 6 orthogonal installations, be fixed on the counterdie 72 of punch press 7, the upper and lower surface of punch 6 is installed movable guide plate 5, die 4 is fixed in the die block 3, and die block 3 is installed in the center of punch press 7 counterdies 72.
As Fig. 2 (1) and 2 (2), it is the metal side tube schematic diagram that has the waist hole, its effect is the hinge that connects car luggage compartment cover, be one and collude the type product, still adopting the metal side tube in the foregoing description herein is example, raw material is the high-frequency welding square tube, generally adopts Q235B high-frequency welding square tube, and specification is 25 * 25 * 2 (mm).Embodiment discloses the method that adopts horizontal punching press is processed 4-10 * 12 (mm) once more on processed and molded product installation waist hole 8 above the present invention, as can be seen from Figure, waist hole 8 is two of one sides, the two sides is exactly four, Fig. 2 (2) be exactly Fig. 2 (1) from profile, utilize four waist holes 8 that mould of the present invention can the time processing two sides, solved waist hole site requirement and axiality relation, improved the quality of production and production efficiency.
As Fig. 3 (1-1), 3 (1-2) and 3 (2-1), 3 (2-2) is the schematic diagram of die, and die 4 is offered weld seam slot to make way 41 and waste chamber 42 on its die body.Because being ratio-frequency weldings, take over workpiece raw material to be processed, at the weld seam that adds the pipe fitting of to step down man-hour, so from 3 (1-1) and 3 (2-1), can obviously show weld seam slot to make way 41, wherein can see the section of corresponding AA and BB among Fig. 3 (1-2) and Fig. 3 (2-2); And add the processing of waste material in man-hour, and from 3 (2-1) as can be seen, having offered waste chamber 42, can handle processing produced simultaneously waste material.
As Fig. 4, be the schematic diagram of punch, punch 6 is shaped as circular-arc at its knife-edge part.The stability of punch in the time of can improving work reduces the damage of side force to punch 6.
Operation principle of the present invention is as follows: when starting working, punch press 7 is done vertically downward motion, by patrix 71 tiltedly carve 1, act on the transverse slider 2 of counterdie 72, finish the punching course of workpiece.Punch 6 is fixed on above the transverse slider 2 of counterdie 72, and die 4 is fixed in the die block 3, and as the location backer of product, workpiece inserts die 4 to die block 3, near die block 3 again.Tiltedly carve 1 and move downward and when promoting transverse slider 2 and laterally sliding, punch 6 acts on workpiece, under the acting in conjunction of die 4, finishes the stamping-out of workpiece hole when patrix 71 drives, the waste material that sweeps away enters the waste chamber 42 of die 4.When punch press went up, patrix 71 drives tiltedly carve 1 resetted transverse slider 2, takes out workpiece, and waste material is deviate from from waste chamber 42, finishes the punching course of workpiece.
Consider the raw material of workpiece, die 4 is also offered weld seam slot to make way 41, dodges the weld seam of welding square tube.
When this horizontal diel of design, under the condition of work constraint, advance the intensity that to consider die 4; The impartial factor that punch is stressed has increased the movable guide plate 5 of punch, has played the effect of protection punch, reduces lateral punching power, the stability when having played mold work, the life-span of having improved mould.
Utilize above-mentioned mould, cooperate process technology of the present invention, make processed finished products quality height, and solved the problem of the technological process of production and production distribution, the product quality of being produced is very high, and service time is longer, and brand car image is improved, be the method for the tiny and accurate parts of a kind of novel production automobile, be worth marketing.
Claims (4)
1. the punch process technology in a metal side tube waist hole, it is characterized in that being realizing by following step: (1) inserts metal side tube to be processed the die of punch press, and be close to the fixed head of die, punch press moves vertically downward, and what make the punch press patrix tiltedly carves the transverse slider that acts on the punch press counterdie; (2) transverse slider promotes the punch that the punch press counterdie is installed, and makes punch and die acting in conjunction, finishes the punching press in metal side tube waist hole; Axiality can be satisfied at ± 0.1mm in described waist hole, and position of related features is at ± 0.2mm.
2. the processing mold in a metal side tube waist hole; include upper die and lower die punch press, tiltedly carve, transverse slider, die block, die, movable guide plate and punch; it is characterized in that the described patrix that is installed on punch press of tiltedly carving; after the orthogonal installation of transverse slider and punch; be fixed on the counterdie of punch press; the upper and lower surface of described punch is installed movable guide plate, and described die is fixed in the die block, and die block is installed in the center of punch press counterdie.
3. the processing mold in metal side tube waist as claimed in claim 2 hole is characterized in that described die offers weld seam slot to make way and waste chamber on its die body.
4. the processing mold in metal side tube waist as claimed in claim 2 hole is characterized in that described punch is shaped as circular-arc at its knife-edge part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010263994 CN101972809A (en) | 2010-08-24 | 2010-08-24 | Stamping technology of waist holes on metal square tubes |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010263994 CN101972809A (en) | 2010-08-24 | 2010-08-24 | Stamping technology of waist holes on metal square tubes |
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| Publication Number | Publication Date |
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| CN101972809A true CN101972809A (en) | 2011-02-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201010263994 Pending CN101972809A (en) | 2010-08-24 | 2010-08-24 | Stamping technology of waist holes on metal square tubes |
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| CN (1) | CN101972809A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105583283A (en) * | 2015-12-22 | 2016-05-18 | 浙江泰运通家居礼品有限公司 | Process and equipment for machining pipe row holes |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0088152A1 (en) * | 1982-03-08 | 1983-09-14 | Bernard Matthey-Doret | A tube punching and/or bending assembly, particularly for punching holes having axes transversely to one another and/or for bending a tube with curves not coplanar to one another |
| US6601492B1 (en) * | 1999-01-18 | 2003-08-05 | Shoham Machines And Dies Ltd. | Punching press device for punching openings in profiled bars, and method of punching |
| CN101327663A (en) * | 2008-07-16 | 2008-12-24 | 无锡市中捷减震器有限公司 | Slanting-wedge double-acting core-loosing type punch-forming mold |
| CN201500729U (en) * | 2009-08-21 | 2010-06-09 | 四川宁江山川机械有限责任公司 | Punching die for pipe fitting symmetrical holes |
| CN201783566U (en) * | 2010-08-24 | 2011-04-06 | 上海宏昌汽配有限公司 | Machining die for kidney-shaped hole of metal square pipe |
-
2010
- 2010-08-24 CN CN 201010263994 patent/CN101972809A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0088152A1 (en) * | 1982-03-08 | 1983-09-14 | Bernard Matthey-Doret | A tube punching and/or bending assembly, particularly for punching holes having axes transversely to one another and/or for bending a tube with curves not coplanar to one another |
| US6601492B1 (en) * | 1999-01-18 | 2003-08-05 | Shoham Machines And Dies Ltd. | Punching press device for punching openings in profiled bars, and method of punching |
| CN101327663A (en) * | 2008-07-16 | 2008-12-24 | 无锡市中捷减震器有限公司 | Slanting-wedge double-acting core-loosing type punch-forming mold |
| CN201500729U (en) * | 2009-08-21 | 2010-06-09 | 四川宁江山川机械有限责任公司 | Punching die for pipe fitting symmetrical holes |
| CN201783566U (en) * | 2010-08-24 | 2011-04-06 | 上海宏昌汽配有限公司 | Machining die for kidney-shaped hole of metal square pipe |
Non-Patent Citations (3)
| Title |
|---|
| 《模具制造》 20061130 陈华丽 方管两侧同时冲孔模设计 , 第11期 2 * |
| 《精密成形工程》 20100731 于文生等 斜楔冲孔模 第2卷, 第4期 2 * |
| 《锻压技术》 20070630 丁明明等 高效多向斜滑块式铝管冲孔模设计 第32卷, 第3期 2 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105583283A (en) * | 2015-12-22 | 2016-05-18 | 浙江泰运通家居礼品有限公司 | Process and equipment for machining pipe row holes |
| CN105583283B (en) * | 2015-12-22 | 2018-06-26 | 浙江泰运通家居礼品有限公司 | Tubing round processing technology and process equipment |
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Application publication date: 20110216 |