CN102606605A - Nut with elastic gasket - Google Patents
Nut with elastic gasket Download PDFInfo
- Publication number
- CN102606605A CN102606605A CN2012100953817A CN201210095381A CN102606605A CN 102606605 A CN102606605 A CN 102606605A CN 2012100953817 A CN2012100953817 A CN 2012100953817A CN 201210095381 A CN201210095381 A CN 201210095381A CN 102606605 A CN102606605 A CN 102606605A
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- nut
- gasket
- pad
- mould
- forming die
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Abstract
The invention discloses a nut with an elastic gasket, which belongs to the field of fasteners and consists of a hexagonal nut body and an annular gasket connecting portion. The annular gasket connecting portion is arranged at the bottom of the nut body and higher than the bottom plane of the nut body, and the height of the higher portion is matched with the thickness of a gasket to be connected. The inner diameter of the gasket connecting portion is larger than the diameter of a threaded hole, and the outer diameter of the gasket connecting portion is matched with the inner diameter of the gasket to be connected. The nut with the elastic gasket is provided with the wash connecting portion, a metal gasket can be riveted to the connecting portion, and then a rubber damping gasket used for an air-conditioner compressor is sleeved outside the metal gasket, so that tight connection between the nut and the rubber damping gasket is achieved. The nut and the rubber damping gasket cannot shed within the normal service life of the air-conditioner compressor, and accordingly service performance of the air-conditioner compressor is stabilized while mounting efficiency is multiplied.
Description
Technical field
The invention belongs to fastener areas, be specifically related to a kind of nut.
Background technique
At present the compressor means of fixation of air-conditioning mainly is that to add the damping pad with hexagon nut be main, and the damping pad is generally rubber product.And this hexagon nut adds the means of fixation of damping pad, in long-term the use, finds to exist many assembling and stable problems of compressor of influencing.Its main cause is, air-conditioning when work outside the machine fan be in the state of running up, thereby machine also can be shaken thereupon outside when running up.Under this long-term shake, hexagon nut and rubber shock-absorbing pad are loosening easily, cause the rubber shock-absorbing pad to come off, and cause maintenance frequent.Also make simultaneously installation process very inconvenient.Therefore, the present air condition compressor hexagon nut and the means of fixation of rubber shock-absorbing pad cause equipment failure usually easily, thereby maintenance is frequent, and in the working life of reducing whole air condition compressor, installation efficiency is low.
Summary of the invention
Deficiency to above-mentioned existing technology; The cold-heading molding method that the present invention proposes a kind of bullet pad nut, a kind of bullet pad nut respectively makes up and realizes that nut is connected with the tight of rubber shock-absorbing pad with a kind of bullet pad nut bottom forming mould that is used for, and guarantees that simultaneously the production of this nut possesses very high manufacturing efficiency and good quality.
A kind of bullet pad nut; Be made up of nut body and pad joint, wherein nut body is the hexagonal shape, and the pad joint in the form of a ring; Be arranged on the nut body bottom and exceed the nut body base plane; The height of the raised area and the thickness of pad to be connected are complementary, and the internal diameter of pad joint is greater than screwhole diameter, and the external diameter of pad joint and the internal diameter of pad to be connected are complementary.
A kind of cold-heading molding method of bullet pad nut comprises following steps:
A) blank is sheared circular wire rod with cutter and blanking die, forms blank, and blank is sent into forming die No. one;
B) mold forming utilizes a pediment stick and a backlash rod that blank is carried out hexagonal configuration rammer system in a forming die, forms a mould blank, then a mould blank is ejected forming die No. one, and clamp is sent mould blank upset into forming die No. two;
C) two mold formings utilize No. two pediment sticks and No. two backlash rods that one mould blank is carried out hexagonal configuration rammer system once more in No. two forming dies, form two mould blanks, then two mould blanks are ejected forming die No. two, and clamp is sent two mould blank translations into forming die No. three;
D) three mold formings utilize No. three pediment sticks and No. three backlash rods that two mould blanks are upset in No. three forming dies and make pad joint blank, form three mould blanks, then three mould blanks are ejected forming die No. three, and clamp is sent three mould blank translations into forming die No. four;
E) four mold formings utilize No. four pediment sticks and No. four backlash rods that three mould blanks are upset in No. four forming dies and make the pad joint, form four mould blanks, then four mould blanks are ejected forming die No. four, and clamp is sent the upset of four mould blanks into forming die No. five;
F) five mold formings utilize No. five pediment sticks and No. five backlash rods to upset at the two ends of four mould blanks in No. five forming dies and make groove, form five mould blanks, then five mould blanks are ejected forming die No. five, and clamp is sent five mould blank translations into piercing die;
G) punching, utilization to five mould blank punchings, forms the punching blank towards tool in piercing die;
H) tapping is carried out tapping to the endoporus of punching blank and is handled, and finally accomplishes the moulding of bullet pad nut.
A kind of bullet pad nut bottom forming mould that is used for makes up, and comprises No. three pediment sticks and No. four pediment sticks, No. three backlash rod and No. four backlash rods, No. three forming dies and No. four forming dies of mentioning in the above-mentioned steps;
Wherein, No. three forming dies comprise No. three forming die dies and No. three forming die formworks, and No. three forming die dies are fixed in No. three forming die formworks; The die orifice of No. three forming die dies is hexagonal configuration; The hexagonal degree of depth is greater than sotck thinkness, and the centre bit in the hexagonal bottom is equipped with circular hole, and the pad joint external diameter of circular hole size and bullet pad nut is complementary;
No. four forming dies; Comprise No. four forming die dies, No. four forming die core rods, No. four forming die formworks; No. four forming die dies are fixed in No. four forming die core rods; No. four forming die formworks are made up of formwork under No. four moulding upper mould shells and No. four forming dies, and it is inner that No. four forming die core rods are arranged on No. four forming die formworks, formwork are kept at a distance being provided with elastic member under No. four forming die core rods and No. four forming dies between the formwork; The die orifice of No. four forming die dies is hexagonal configuration; The hexagonal degree of depth is greater than sotck thinkness, and the centre bit in the hexagonal bottom is equipped with circular hole, and the pad joint external diameter of circular hole size and bullet pad nut is complementary;
No. three backlash rod integral body is cylindrical, head is coniform, and it goes into mould position diameter less than No. three forming die bottom circular aperture diameters;
No. four backlash rod integral body is cylindrical, head has convexity, and it goes into mould position diameter and pad joint internal diameter is complementary, and protruding height and pad joint height are complementary;
No. three pediment sticks, No. four pediment stick integral body are all cylindrical, head all has convexity.
During three mold formings; No. three pediment sticks get into No. three moulding dies and move downward; The appropriate section that promotes two mould blanks gets in the circular hole of No. three moulding die hexagonal bottoms, and simultaneously, No. three backlash rod gets into No. three moulding die bottom circular aperture and moves upward; Make conical socket in the rammer of two mould blanks bottom, thereby form pad joint blank.
During four mold formings; No. four pediment sticks get into No. four moulding dies and move downward; The pad joint blank that promotes earlier three mould blanks gets in the circular hole of No. four moulding die hexagonals bottoms, promotes the formwork motion under No. four forming dies simultaneously of three mould blanks and No. four forming die core rods again, simultaneously; No. four backlash rod gets into No. four moulding die bottom circular aperture and moves upward, and the gasket joint goes out to upset in three mould blanks bottom.
Elastic member under No. four forming die dies and No. four forming dies between the formwork is preferably eight springs.
The beneficial effect of bullet pad nut of the present invention is: because this bullet pad nut has the pad joint; Therefore can earlier a metallic shim be riveted on this joint; Put the rubber shock-absorbing pad that uses on the air condition compressor in the metallic shim outside again; Thereby formed the tight connection between nut and the rubber shock-absorbing pad; Guarantee that this nut and rubber shock-absorbing pad do not come off in the time in normal working life at air condition compressor, not only stablized air condition compressor usability, but also can make the installation efficiency multiplication.
The beneficial effect of the cold-heading molding method of bullet pad nut of the present invention is: because the shape of this bullet pad nut is all different with plain nut with structure, therefore can not produce with common nut production method.If produce with the turning mode, though can realize the production purpose, turning mode inefficiency obviously can't satisfy production demand in the future.And the cold-heading molding method of this bullet pad nut can utilize cold-heading equipment at a high speed, realizes that bullet pad nut is efficient, at a high speed and high-quality production, and manufacturing efficiency can improve 10 times more than than the turning mode.
The beneficial effect that is used for the forming mould combination of bullet pad nut bottom of the present invention is: utilize originally to be used for the forming mould combination of bullet pad nut bottom; Can be efficiently, at a high speed and high-quality pad joint moulding to bullet pad nut bottom; Both easy and simple to handle; Have very high precision again, thereby effectively guaranteed the quality of bullet pad nut and the efficient of this nut cold-heading molding method.
Description of drawings
Fig. 1 is this bullet pad nut structure figure, and wherein 1 is nut body, and 2 is the pad joint, and 3 is screw.
Fig. 2 is each operation schematic representation of cold-heading molding method of bullet pad nut, and wherein 21 is pad joint blank, and 2 is the pad joint.
Fig. 3 is No. three pediment sticks, No. four pediment stick schematic representation.
Fig. 4 is No. three backlash rods, No. four backlash rod schematic representation.
Fig. 5 is No. three forming die dies, No. four forming die die schematic representation.
Fig. 6 is No. three shaping moudle structure schematic representation, and wherein 31 is No. three forming die dies, and 32 is No. three forming die formworks.
Fig. 7 is No. four forming die mold insert structure schematic representation, and wherein 41 is No. four forming die dies, and 42 is No. four forming die core rods.
Fig. 8 is No. four shaping moudle structure schematic representation, and wherein 41 is No. four forming die dies, and 42 is No. four forming die core rods, and 43 is No. four moulding upper mould shells, and 44 is formwork under No. four forming dies, and 45 is spring.
Embodiment
Below in conjunction with specific embodiment the present invention is described in further detail.
As shown in Figure 1, the bullet pad nut of present embodiment is made up of nut body 1 and pad joint 2; Have screw 3, wherein nut body 1 is the hexagonal shape, and pad joint 2 in the form of a ring; Be arranged on the bottom of nut body 1 and exceed this base plane; The height of the raised area and the thickness of pad to be connected are complementary, and the internal diameter of pad joint 2 is greater than the diameter of screw 3, and the external diameter of pad joint 2 and the internal diameter of pad to be connected are complementary.
As shown in Figure 2, the cold-heading molding method of the bullet pad nut of present embodiment, its concrete steps are undertaken by following:
At first, carry out blank, promptly circular wire rod is sheared, form blank, and blank is sent into forming die No. one with cutter and blanking die.
Then, carry out a mold forming, promptly in a forming die, utilize a pediment stick and a backlash rod that blank is carried out hexagonal configuration rammer system, form a mould blank, then a mould blank is ejected forming die No. one, clamp is sent mould blank upset into forming die No. two.At this moment, a mould blank is the hexagonal state.
Then; Carry out two mold formings, promptly in No. two forming dies, utilize No. two pediment sticks and No. two backlash rods that one mould blank is carried out hexagonal configuration rammer system once more, form two mould blanks; Then two mould blanks are ejected forming die No. two, clamp is sent two mould blank translations into forming die No. three.At this moment, two mould blanks are more smooth hexagonal state.
Follow again; Carry out three mold formings, promptly in No. three forming dies, utilize No. three pediment sticks and No. three backlash rods that two mould blanks are upset and make pad joint blank 21, form three mould blanks; Then three mould blanks are ejected forming die No. three, clamp is sent three mould blank translations into forming die No. four.At this moment, the hexagonal of three mould blanks part is thin partially, and pad joint blank inside is more shallow conical socket, and as the basis of next station distortion, the cylindrical of pad joint blank 21 is less than normal, so that next station is gone into mould.
Follow again; Carry out four mold formings, promptly in No. four forming dies, utilize No. four pediment sticks and No. four backlash rods that three mould blanks are upset and make pad joint 2, form four mould blanks; Then four mould blanks are ejected forming die No. four, clamp is sent the upset of four mould blanks into forming die No. five.At this moment, pad joint 2 has been formed on the bottom of four mould blanks.
Follow again; Carry out five mold formings, promptly in No. five forming dies, utilize No. five pediment sticks and No. five backlash rods to upset and make groove, form five mould blanks at the two ends of four mould blanks; Then five mould blanks are ejected forming die No. five, clamp is sent five mould blank translations into piercing die.At this moment, five mould blanks form darker groove, are beneficial to the punching of next station
Follow again, carry out punching, promptly in piercing die, utilize towards tool, form the punching blank five mould blank punchings;
At last, carry out tapping, promptly the endoporus to the punching blank carries out the tapping processing, finally accomplishes the moulding of bullet pad nut.
The bullet pad nut bottom forming mould that is used for of present embodiment makes up, and comprises No. three pediment sticks and No. four pediment sticks, No. three backlash rod and No. four backlash rods, No. three forming dies and No. four forming dies.
As shown in Figure 3, No. three pediment sticks, No. four pediment stick integral body are all cylindrical, head all has convexity.
As shown in Figure 4, No. three backlash rod integral body is cylindrical, head is coniform, and it goes into mould position diameter less than No. three forming die bottom circular aperture diameters.No. four backlash rod integral body is cylindrical, head has convexity, and it goes into mould position diameter and pad joint internal diameter is complementary, and protruding height and pad joint height are complementary.The head of No. four backlash rod is the major control mould of pad joint internal diameter and pad joint height.
Like Fig. 5, shown in Figure 6; No. three forming dies comprise that No. three forming die dies 31 and 32, No. three forming die dies 31 of No. three forming die formworks are fixed in No. three forming die formworks 32, and the die orifice of No. three forming die dies 31 is hexagonal configuration; The hexagonal degree of depth is greater than sotck thinkness; Centre bit in the hexagonal bottom is equipped with circular hole, and the pad joint external diameter of circular hole size and bullet pad nut is complementary, and is used for controlling the washer outer diameter size.
Like Fig. 5, Fig. 7, shown in Figure 8; No. four forming dies comprise No. four forming die dies 41, No. four forming die core rods 42, No. four forming die formworks; No. four forming die dies 41 are fixed in No. four forming die core rods 42, and No. four forming die formworks are made up of formwork 44 under No. four moulding upper mould shells 43 and No. four forming dies, and it is inner that No. four forming die core rods 42 are arranged on No. four forming die formworks; Formwork 44 is kept at a distance being provided with spring 45 under No. four forming die core rods 42 and No. four forming dies between the formwork 44; Spring 45 has 8, and the die orifice of No. four forming die dies 41 is hexagonal configuration, and the hexagonal degree of depth is greater than sotck thinkness; Centre bit in the hexagonal bottom is equipped with circular hole, and the pad joint external diameter of circular hole size and bullet pad nut is complementary.8 springs 45 also can use other elastic members to realize.
During three mold formings; No. three pediment sticks get into No. three moulding dies 31 and move downward; The appropriate section that promotes two mould blanks gets in the circular hole of No. three moulding die 31 hexagonals bottoms, and simultaneously, No. three backlash rod gets into No. three moulding die 31 bottom circular aperture and moves upward; Make conical socket in the rammer of two mould blanks bottom, thereby form pad joint blank 21.
During four mold formings; No. four pediment sticks get into No. four moulding dies 41 and move downward; The pad joint blank that promotes three mould blanks earlier gets in the circular hole of No. four moulding die 41 hexagonals bottoms; Promote formwork 44 motions under No. four forming dies simultaneously of three mould blanks and No. four forming die core rods 42 again, under the reaction force of 8 springs 45, pad joint blank is extruded at the bottom of mould.Simultaneously, No. four backlash rod gets into No. four moulding die 41 bottom circular aperture and moves upward, and upsets in three mould blanks bottom and makes pad joint 2.
Though the present invention is with preferred embodiment openly as above, embodiment be not be used for limiting of the present invention.In spirit that does not break away from the present invention and scope, any equivalence of being done changes or retouching, belongs to the present invention's protection domain equally.Therefore protection scope of the present invention should be standard with the application's the content that claim was defined.
Claims (1)
1. bullet pad nut; It is characterized in that: be made up of nut body and pad joint, wherein nut body is the hexagonal shape, and the pad joint in the form of a ring; Be arranged on the nut body bottom and exceed the nut body base plane; The height of the raised area and the thickness of pad to be connected are complementary, and the internal diameter of pad joint is greater than screwhole diameter, and the external diameter of pad joint and the internal diameter of pad to be connected are complementary.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012100953817A CN102606605A (en) | 2012-04-01 | 2012-04-01 | Nut with elastic gasket |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012100953817A CN102606605A (en) | 2012-04-01 | 2012-04-01 | Nut with elastic gasket |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102606605A true CN102606605A (en) | 2012-07-25 |
Family
ID=46524267
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012100953817A Pending CN102606605A (en) | 2012-04-01 | 2012-04-01 | Nut with elastic gasket |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102606605A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106311957A (en) * | 2016-10-31 | 2017-01-11 | 绍兴文理学院 | Butterfly nut and production technique and stamping device for same |
| CN106984766A (en) * | 2016-01-21 | 2017-07-28 | 东莞市展赐精密五金制品厂 | Processing Technology of Hexagon Nut Column with Groove |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5871402A (en) * | 1995-12-09 | 1999-02-16 | Erich Neumayer Gmbh & Co. Kg | Composite internally threaded fastener and method of making the same |
| CN2352751Y (en) * | 1997-04-21 | 1999-12-08 | 梁贤清 | Spring washer screw nut for locking inner hood |
| JP2009287766A (en) * | 2008-05-27 | 2009-12-10 | Takenaka:Kk | Nut member |
| JP2010025240A (en) * | 2008-07-18 | 2010-02-04 | Nihonkai Gijutsu Consultants:Kk | Retightening device |
| CN201751604U (en) * | 2010-07-28 | 2011-02-23 | 陈锡瑜 | Lock nut |
| CN202176596U (en) * | 2011-07-29 | 2012-03-28 | 瑞标集团有限公司 | Nut with spring washer |
-
2012
- 2012-04-01 CN CN2012100953817A patent/CN102606605A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5871402A (en) * | 1995-12-09 | 1999-02-16 | Erich Neumayer Gmbh & Co. Kg | Composite internally threaded fastener and method of making the same |
| CN2352751Y (en) * | 1997-04-21 | 1999-12-08 | 梁贤清 | Spring washer screw nut for locking inner hood |
| JP2009287766A (en) * | 2008-05-27 | 2009-12-10 | Takenaka:Kk | Nut member |
| JP2010025240A (en) * | 2008-07-18 | 2010-02-04 | Nihonkai Gijutsu Consultants:Kk | Retightening device |
| CN201751604U (en) * | 2010-07-28 | 2011-02-23 | 陈锡瑜 | Lock nut |
| CN202176596U (en) * | 2011-07-29 | 2012-03-28 | 瑞标集团有限公司 | Nut with spring washer |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106984766A (en) * | 2016-01-21 | 2017-07-28 | 东莞市展赐精密五金制品厂 | Processing Technology of Hexagon Nut Column with Groove |
| CN106311957A (en) * | 2016-10-31 | 2017-01-11 | 绍兴文理学院 | Butterfly nut and production technique and stamping device for same |
| CN106311957B (en) * | 2016-10-31 | 2018-10-30 | 绍兴文理学院 | A kind of wing nut and its production technology, decompressor |
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| PB01 | Publication | ||
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Application publication date: 20120725 |