CN101088700A

CN101088700A - Process of making anti-theft locking spacer

Info

Publication number: CN101088700A
Application number: CN 200610087056
Authority: CN
Inventors: 林成懋
Original assignee: DEGANG Co Ltd
Current assignee: DEGANG Co Ltd
Priority date: 2006-06-14
Filing date: 2006-06-14
Publication date: 2007-12-19
Anticipated expiration: 2026-06-14
Also published as: CN100484692C

Abstract

The present invention discloses process of making anti-theft locking spacer. The anti-theft locking spacer is made with material belt and through punching, cold forging and other machining steps, and has continuous wedge, V-groove, arris fillet and other configurations. The making process includes the following steps: punching middle locating holes, punching side material slots between each two adjacent locating holes to form the main body with middle hole, forging V-groove and arris fillet, punching relatively large inner hole, punching the outside edge, fine cold forging to required sizes and flatness, and final punching off the spacer.

Description

The method for making of anti-theft anti-loosening spacer

Technical field

The present invention relates to a kind of method for making of anti-theft anti-loosening spacer, refer in particular to a kind of surface of can making according to this and have just the processing method of the anti-theft anti-loosening spacer of lozenges and V-type groove, arris fillet continuously.

Background technology

As shown in Figure 1, manufacture method for known a kind of lock washer, it mainly produces the lock washer with varied in thickness in order to make, it is prior to close top on the strip 10, the root edge place dashes and establishes the guide hole 11 (steps A) that is corresponding, and utilize guide hole 11 to guide strip 10 strokes, between two groups of adjacent guide holes 11, dash again and establish mesopore 12 with last, hopper 13 is left, 14 (step B), mesopore 12 is positioned at strip 10 central authorities, the clout groove 13 up and down, 14 lay respectively on the mesopore 12, the below, again in mesopore 12 on direct of travel one side, dash between the corresponding guide hole down and establish side clout groove 15 (step C), and on mesopore 12 opposite sides, dash between the corresponding guide hole down and establish opposite side clout groove (step D), make strip 10 form central authorities and have the main body 16 of mesopore 12, and main body is pushed up with strip 10 respectively by four foot rests 17, root edge connects, thereafter, utilize Cold Forging to forge several inclined planes that is radial arrangement (step e) again in main body 16 end faces, utilize the Cold Forging method to forge those inclined planes once more, to guarantee that it reaches desired precision and size (step F), wait for (step G) after the idle stroke, dash in mesopore 12 peripheries again and establish the bigger endoporus in aperture 18 (step H), wait for again (step I) after the idle stroke, the circumferential profile that sets out lock washer in main body 16 upper punches is cut off strip at last with blanking again again.

Though can providing to make, above-mentioned known lock washer manufacture method produces lock washer with varied in thickness, yet, be engaged in the pad manufacturing experience for many years according to the inventor, find that still there is following disappearance in this method:

1. the procedure of processing of taking off known technology on is tending towards complicated, its process just has two idle strokes, the general dealer of association area all knows, every many steps just will be provided with a mould more, increase dealer's cost expenditure undoubtedly, its cost certainly will add to be paid on one's body the consumer, therefore, can reduce by a step, just can reduce paying of dealer's cost relatively.

2. known technology forges the inclined plane that several are radial arrangement at the main body end face earlier, and then enter next finish forge step to meet the requirements of size, yet main body its profile after forging the formation inclined plane just can be out of shape, even skew arranged slightly, therefore under the not good situation in main body location, cause the situation at mould compression failure oblique angle easily in precision forging process, not satisfactory really.

Moreover, the design of four foot rests, 17 supportive bodies of known technology, because of the proper minimum thickness place on the inclined plane, the position of foot rest, therefore the extruded clout in minimum thickness place is expanded nowhere, just push the bad phenomenon that foot rest causes main body to twist, the success rate that influences the following process moulding is very big.

4. the design of lock washer 6 recently, except that the radial arrangement inclined plane of having seen 61, developed into the configuration (as shown in Figure 2) that has arris fillet 62 and V-type groove 63 especially,, taken off known technology on therefore and can't supply the industry utilization in order to improve antitheft, the anti-loosing effect of pad.

Summary of the invention

Technology technical problem to be solved by this invention is at the deficiencies in the prior art, to provide a kind of simplification procedure of processing, the method for making of the anti-theft anti-loosening spacer of raising yield rate.

For solving the problems of the technologies described above, the technical solution adopted in the utility model is: a kind of method for making of anti-theft anti-loosening spacer, it is with the plural groups support one smooth strip frame to be higher than between mold and the bed die, cooperate technology such as punching press and Cold Forging, form configurations such as continuous lozenges, V-type groove and arris fillet gradually in the strip upper and lower surface by Mould Machining up and down, its step comprises:

A. dash and establish mesopore: dash in the strip middle position and establish at least one mesopore, strip advances and the usefulness of location as guiding to utilize this mesopore;

B. dash and establish side clout groove: between two mesopores, dash in regular turn then and establish side clout groove, and this two adjacent side clout groove just can make strip formation have the main body of mesopore;

C. forge lozenges and arris fillet: below main body, forge six continuous lozenges by bed die, form at least one arris fillet or V-type groove by mold at the main body another side simultaneously;

D. dash and establish endoporus: dash from main body central authorities and establish the bigger endoporus in an aperture, to form the endoporus specification of pad standard;

E. dash and establish the pad external form: stamp out the main external form of pad downwards, and do not break away from strip fully;

F. finish forge size: do by the mould cold forging is smart up and down once more, repair out desired size and flatness;

G. moulding blanking: wash pad at last open and finish procedure of processing.

In the said method: this main body is joined by two pins and strip both sides lateral margin.This two pin just is adjacent to the lozenges middle section position.The main external form of this pad is circular.

Compared with prior art, the beneficial effects of the utility model are: 1. recipe step of the present invention is concise and to the point, particularly directly with the usefulness of mesopore as guide hole, and promptly forms the main body external form after establishing side clout groove, be to reduce mould development, significantly to reduce dealer's cost expenditure.

2. lozenges takes shape in the main body below, helps the closing locating effect of press forging process body and mould head, prevents mould crushing workpiece oblique angle or edge, effectively improves the mobility of pad finished product.

3. body only has two pins, and the middle section position of lozenges is located in the pin position, the position that the body distortion rate is lower, therefore be difficult for causing the body distortion, and influence the bad phenomenon of following process, the foot rest that improves known technology is supported in minimum thickness place, pad inclined plane, and clout is expanded the bad phenomenon that causes the main body distortion nowhere.

Description of drawings

Fig. 1 is the schematic flow sheet of known lock washer manufacture method.

Fig. 2 is the anti-theft anti-loosening spacer outward appearance signal that has arris fillet and V-type channel respectively.

Fig. 3 is a strip work flow elevational schematic view of the present invention.

Fig. 4 is a strip work flow schematic top plan view of the present invention.

Fig. 5 is the structural relation schematic diagram of strip and mould.

Label declaration:

Known technology

Steps A. dash and establish guide hole

Step B. dashes and to establish mesopore, clout groove up and down

Step C. dashes and establishes side clout groove

Step D. becomes a main body towards establishing other side clout groove

Step e. main body is forged six inclined planes that are radial arrangement

Step F. the inclined plane of forging the main body end face for the second time

Step G. idle stroke

Step H. dashes and establishes endoporus

Step I. idle stroke

Step J. dashes and establishes circumferential profile

Step K. cut off strip and finish

10. strip 11. guide holes

12. clout groove on the mesopore 13.

The hopper 15. side clout grooves 14. be left

16. main body 17. foot rests

18. endoporus

The present invention

2. strip 21. mesopores

22. side clout groove 23. main bodys

24. pin 25. lozenges

26. arris fillet 27. endoporus

3. support 4. molds

5. bed die 6. pads

61. inclined plane 62. arris fillets

63.V type groove

Step S10. dashes and establishes mesopore step S20. towards establishing side clout groove

Step S30. forges lozenges step S40. towards establishing endoporus

Step S50. dashes and establishes pad external form step S60. size finish forge

Step S70. moulding blanking

The specific embodiment

For main implementation step of the present invention, advantage and other purpose can more be understood, below cooperate now graphic further describe as after.

Please refer to Fig. 3,4 and shown in Figure 5, the present invention is a kind of method for making of anti-theft anti-loosening spacer, it is with plural groups support 32 smooth of strips to be higher than between mold 4 and the bed die 5, cooperate technology such as punching press and Cold Forging, form configurations such as continuous lozenges 61, V-type groove 62 and arris fillet 63 gradually in strip 2 upper and lower surfaces by mould up and down, for reaching those configurations, below have circular anti-theft anti-loosening spacer that six lozenges and the back side has arris fillet as manufacture method explanation embodiment of the present invention with the front, this method comprises:

A. dash and establish mesopore 21 (step S10): dash in strip 2 middle positions and establish at least one mesopore 21, strip 2 advances and the usefulness of location as guiding to utilize this mesopore 21.

B. dash and establish side clout groove 22 (step S20): between two mesopores 21, dash in regular turn then and establish side clout groove 22, and this two adjacent side clout groove 22 just can make strip 2 formation have the main body 23 of mesopore 21, and join with strip 2 both sides lateral margins by two pins 24.

C. forge lozenges 25 and arris fillet 26 (step S30): below main body 23, forge six continuous lozenges 25 by bed die, above main body, form several arris fillets 26 by mold simultaneously; Wherein two pins 24 just are positioned at lozenges 25 middle section positions of adjacency, and the clout of forging and pressing is then to mesopore 21 and 22 expansions of side clout groove.

D. dash and establish endoporus 27 (step S40): dash from main body 23 central authorities and establish the bigger endoporus in an aperture 27, to form the endoporus specification of pad standard.

E. dash and establish pad external form (step S50): stamp out the main external form of pad downwards, this step is only dashed the main external form of pad and is set as type, yet does not but break away from strip 2 fully.

F. size finish forge (step S60): further, do by the mould cold forging is smart up and down once more, monolithic finish is gone out desired size and flatness.

G. moulding blanking (step S70): wash pad at last open and finish procedure of processing.

After the step explanation of the present invention according to above-mentioned formation anti-theft anti-loosening spacer, method for making of the present invention as can be known has following advantage at least:

1. recipe step of the present invention is concise and to the point, particularly directly with the usefulness of mesopore as guide hole, and promptly forms the main body external form after establishing side clout groove, is to reduce mould development, significantly to reduce dealer's cost expenditure.

In sum; the present invention has reached default purpose; the real industry demand that met, the whence proposes patent application in accordance with the law, only; though the present invention discloses with aforementioned preferred embodiment; right its is not in order to limiting the present invention, anyly is familiar with this skill person, without departing from the spirit and scope of the present invention; when can being retouched and revise, so protection scope of the present invention is as the criterion when looking claims.

Claims

1. the method for making of an anti-theft anti-loosening spacer, it is with the plural groups support one smooth strip frame to be higher than between mold and the bed die, cooperate technology such as punching press and Cold Forging, form configurations such as continuous lozenges, V-type groove and arris fillet gradually in the strip upper and lower surface by Mould Machining up and down, its step comprises:

G. moulding blanking: wash pad at last open and finish procedure of processing.

2. the method for making of anti-theft anti-loosening spacer according to claim 1 is characterized in that, this main body is joined by two pins and strip both sides lateral margin.

3. the method for making of anti-theft anti-loosening spacer according to claim 2 is characterized in that, this two pin just is adjacent to the lozenges middle section position.

4. the method for making of anti-theft anti-loosening spacer according to claim 1 is characterized in that, the main external form of this pad is circular.