CN108188303A - The processing technology of anti-loosing nut - Google Patents
The processing technology of anti-loosing nut Download PDFInfo
- Publication number
- CN108188303A CN108188303A CN201711457969.1A CN201711457969A CN108188303A CN 108188303 A CN108188303 A CN 108188303A CN 201711457969 A CN201711457969 A CN 201711457969A CN 108188303 A CN108188303 A CN 108188303A
- Authority
- CN
- China
- Prior art keywords
- annular
- processing technology
- annular groove
- buffering
- nut
- 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.)
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D53/00—Making other particular articles
- B21D53/24—Making other particular articles nuts or like thread-engaging members
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D22/00—Shaping without cutting, by stamping, spinning, or deep-drawing
- B21D22/20—Deep-drawing
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D37/00—Tools as parts of machines covered by this subclass
- B21D37/10—Die sets; Pillar guides
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Dowels (AREA)
Abstract
The present invention relates to standard component processing technique fields, particularly disclose a kind of processing technology of anti-loosing nut, include the following steps：Prepare a hex nut, by one end of hex nut annular convex platform formed by stretching；Annular convex platform forms mounting groove by further stretching, and the mounting groove includes the annular groove being arranged on annular convex platform inner wall and the semicircular notch for being arranged on ring slot outside, notch connect setting, circumferentially-spaced distribution of the notch along annular groove with annular groove；Buffering anticreep pad is embedded on mounting groove.Using the above structure, provide it is a kind of can prevent from, the processing technology of the simple anti-loosing nut of processing technology.
Description
Technical field
The present invention relates to standard component processing technique field, particularly a kind of processing technology of anti-loosing nut.
Background technology
At present, nut is exactly nut, and the part for playing the role of fastening, all production systems are threaded together with bolt or screw rod
Make machinery must a kind of element according to the difference of material, be divided into carbon steel, stainless steel, non-ferrous metal (such as copper) several major class
Type, nut processing technology of the prior art are usually that the embryo material of unlike material is directly processed into hexagonal embryo material, are then passed through
The nut of finished product is processed into punching and tapping.
However this nut, under shock and vibration or varying load effect, the frictional force between screw thread pair may reduce or moment
It disappears, this phenomenon will loosen connection after being repeated several times, in the case where high temperature or temperature change are larger, since screw thread joins
It connects and regression and stress relaxation occurs with the material of connected compcnent, pretightning force and frictional force in connection can also, which be gradually reduced, causes
Connection failure.Screw thread once loosens, and the normal operation that can influence machine even causes major accident, and it is therefore desirable to screw thread is joined
Tap into the anti-loose processing of row.
Many in the prior art is all that locking effect is realized using gasket, but not only anti-loosing effect is bad, but also
It is easily lost during transport, it is inconvenient to use.
Invention content
For overcome the deficiencies in the prior art, can prevent from the present invention provides a kind of, processing technology is simply locking
The processing technology of de- nut.
To achieve these goals, the technical solution adopted by the present invention is：A kind of processing technology of anti-loosing nut, including
Following steps：（1）Prepare a hex nut, by one end of hex nut annular convex platform formed by stretching；（2）Annular convex platform
Mounting groove is formed by further stretching, the mounting groove includes the annular groove being arranged on annular convex platform inner wall and is arranged on
The semicircular notch of ring slot outside, notch connect setting, circumferentially-spaced distribution of the notch along annular groove with annular groove；（3）
Buffering anticreep pad is embedded on mounting groove.
In above-mentioned technical proposal, drawing, also referred to as drawing, stretching, calendering etc., drawing are to utilize cupping tool by plate blank
It is pressed into the hollow workpiece of various openings or Manufactured open hollow part is processed into a kind of punching press of other shapes hollow object
Processing method, drawing are also named drawing, and deformation process is:With the continuous downlink of punch-pin, stay in outside the blank on cavity plate end face
Diameter constantly reduces, and straight wall is formed in the gap that circular blanks are gradually drawn between punch and matrix, and the material below punch-pin is then
As the bottom of drawing part, when being that drawing process terminates in the gap between plate fully enters punch and matrix, plane blank reforms into tool
There are certain diameter and the cup shell of height, compared with blanking die, the working portion of drawing punch and matrix there should not be sharp sword
Mouthful, and there is certain fillet, the unilateral gap between punch and matrix is thick slightly larger than material, and hex nut can be of the prior art
Finished product nut facilitates processing, cost-effective, and the setting of notch can prevent the pad rotation of buffering anticreep, and buffering anticreep pad is by polyethylene
It is made, when nut is connect with bolt or screw flight, because not having internal thread on buffering anticreep pad, so when buffering anticreep pad
When being contacted with the external screw thread of bolt or screw rod, external screw thread can be embedded in due to rotation buffering anticreep pad in, thus can when nut with
Bolt or screw rod connect closer, and will not loosen, simple for process, easy to implement, at low cost.
As the further setting of the present invention, the procedure of processing of the hex nut is as follows：（1）Prepare a cylindrical embryo
The both ends of cylindrical embryo material are squeezed into truncated cone-shaped end by material respectively；（2）Cylindrical central part between two truncated cone-shaped ends is added
Work is into hexagonal prisms；（3）Truncated cone-shaped end is squeezed into arc angling；（4）Then embryo material is punched out and tapping forms screw thread
Hole；
In above-mentioned technical proposal, in truncated cone-shaped end the larger one end of base area towards cylindrical central part, truncated cone-shaped end
Setting can facilitate subsequent processing, make the both ends of nut have radian, and cylindrical central part can also be processed to other shapes, such as
Quadrangular, pentagonal prism etc., it is easy to process, it is highly practical.
As the further setting of the present invention, the annular groove connects setting with threaded hole, and the diameter of threaded hole is less than ring
The overall diameter of shape slot.
In above-mentioned technical proposal, annular groove has interior diameter and overall diameter, and interior diameter is located at the inside of overall diameter, threaded hole
Diameter be less than annular groove overall diameter, the end face of threaded hole is made to serve as the bottom surface of annular groove, annular groove is enable to support buffering
Anticreep pad installs more secure rigid, and buffering anticreep pad can be formed by being molded, simple in structure, good anti-drop effect.
As the further setting of the present invention, there is the through-hole being adapted to threaded hole on the buffering anticreep pad, through-hole
Inner wall is smooth annular surface, and the buffering anticreep pad is made of polythene material, and the diameter of the annular groove bottom is more than ring
The diameter of shape channel opening.
In above-mentioned technical proposal, buffering anticreep pad is made of polythene material, not only have the function of it is anti-loose, it is also slow
The effect of expansion fastening is played in the effect of punching, and the diameter of through-hole and the diameter of threaded hole are always so that it is convenient on bolt or screw rod
Outer nut insertion buffering anticreep pad in, simple in structure, easy to process, the opening that the basal diameter of annular groove is more than annular groove is straight
Diameter causes the side wall of annular groove coning, can prevent buffering anticreep pad from being dropped out from mounting groove in this way.
The invention will be further described below in conjunction with the accompanying drawings.
Description of the drawings
Attached drawing 1 is specific embodiment of the invention appearance diagram；
Attached drawing 2 is specific embodiment of the invention structural exploded view；
Attached drawing 3 buffers the structure diagram of anticreep pad for the specific embodiment of the invention.
Specific embodiment
As shown in Figs. 1-3, a kind of processing technology of anti-loosing nut includes the following steps specific embodiments of the present invention：
（1）Prepare a cylindrical embryo material, the both ends of cylindrical embryo material are squeezed into truncated cone-shaped end respectively；（2）By two truncated cone-shaped ends
Cylindrical central part between portion is processed into hexagonal prisms；（3）Truncated cone-shaped end is squeezed into arc angling；（4）Then to embryo material into
Row punching and tapping form threaded hole 11；（5）By one end of hex nut 1 annular convex platform 12 formed by stretching；（6）Convex annular
Platform 12 forms mounting groove 121 by further stretching, and the mounting groove 121 includes the annular being arranged on 12 inner wall of annular convex platform
Slot 1211 and the semicircular notch 1212 for being arranged on 1211 outside of annular groove, notch 1212 are connected with annular groove 1211 and are set
It puts, circumferentially-spaced distribution of the notch 1212 along annular groove 1211；（7）Buffering anticreep pad 2 is embedded on mounting groove 121.Drawing,
Claim drawing, stretching, calendering etc., drawing is that plate blank is pressed into the hollow workpiece of various openings using cupping tool or is incited somebody to action
Manufactured open hollow part is processed into a kind of processing method for stamping of other shapes hollow object, and drawing is also named drawing, deformation
Process is:With the continuous downlink of punch-pin, the blank outer diameter stayed on cavity plate end face constantly reduces, and circular blanks are gradually drawn into
Straight wall is formed in gap between punch and matrix, and the material below punch-pin then becomes the bottom of drawing part, when plate fully enters
It is that drawing process terminates in gap between punch and matrix, plane blank reforms into the cup shell with certain diameter and height, with
Blanking die is compared, and the working portion of drawing punch and matrix should not have sharp cutting edge, and have certain fillet, between punch and matrix
Unilateral gap is thick slightly larger than material, and hex nut 1 can be finished product nut of the prior art, facilitate processing, cost-effective, notch
1212 setting can prevent buffering anticreep pad 2 from rotating, and buffering anticreep pad 2 is made of polyethylene, when nut and bolt or screw rod spiral shell
When line connects, because not having internal thread on buffering anticreep pad 2, so when buffering anticreep pad 2 and the external screw thread of bolt or screw rod connect
When touching, external screw thread can be embedded in due to rotation in buffering anticreep pad 2, thus can when nut connect with bolt or screw rod tightlier
It is close, and will not loosen, it is simple for process, it is easy to implement, it is at low cost.
For the larger one end of base area towards cylindrical central part, the setting of truncated cone-shaped end can be square in above-mentioned truncated cone-shaped end
Just subsequent processing, makes the both ends of nut have radian, and cylindrical central part can also be processed to other shapes, as quadrangular,
Pentagonal prism etc., it is easy to process, it is highly practical.
Above-mentioned annular groove 1211 connects setting with threaded hole 11, and the diameter of threaded hole 11 is less than the outer straight of annular groove 1211
Diameter.Annular groove 1211 has interior diameter and overall diameter, and interior diameter is located at the inside of overall diameter, and the diameter of threaded hole 11 is less than annular
The overall diameter of slot 1211 makes the end face of threaded hole 11 serve as the bottom surface of annular groove 1211, annular groove 1211 is enable to support buffering
Anticreep pad 2 installs more secure rigid, and buffering anticreep pad 2 can be formed by being molded, simple in structure, good anti-drop effect.
There is the through-hole 21 being adapted to threaded hole 11, the inner wall of through-hole 21 is smooth annular on above-mentioned buffering anticreep pad 2
Face 211, the buffering anticreep pad 2 are made of polythene material, and the diameter of 1211 bottom surface of annular groove is more than annular groove 1211
The diameter of opening.Buffering anticreep pad 2 is made of polythene material, not only has the function of anti-loose, also to buffer effect, rises
To the effect of expansion fastening, the diameter of through-hole 21 and the diameter of threaded hole 11 are always so that it is convenient to outer spiral shell on bolt or screw rod
Simple in structure in the embedded buffering anticreep pad 2 of mother, the basal diameter of annular groove 1211 easy to process is more than the opening of annular groove 1211
Diameter causes the side wall 1211a of annular groove 1211 coning, can prevent buffering anticreep pad 2 from being dropped out from mounting groove 121 in this way.
The present invention is not limited to above-mentioned specific embodiment, and persons skilled in the art are according to disclosed by the invention interior
Hold, other a variety of specific embodiments may be used and implement of the invention or every design structure using the present invention and think of
Road does simple change or change, both falls within protection scope of the present invention.
Claims (5)
1. a kind of processing technology of anti-loosing nut, it is characterised in that：Include the following steps：
Prepare a hex nut, by one end of hex nut annular convex platform formed by stretching；
Annular convex platform forms mounting groove by further stretching, and the mounting groove includes the annular being arranged on annular convex platform inner wall
Slot and the semicircular notch for being arranged on ring slot outside, notch connect setting, circumferential direction of the notch along annular groove with annular groove
It is spaced apart；
Buffering anticreep pad is embedded on mounting groove.
2. the processing technology of anti-loosing nut according to claim 1, it is characterised in that：The processing step of the hex nut
It is rapid as follows：
Prepare a cylindrical embryo material, the both ends of cylindrical embryo material are squeezed into truncated cone-shaped end respectively；
Cylindrical central part between two truncated cone-shaped ends is processed into hexagonal prisms；
Truncated cone-shaped end is squeezed into arc angling；
Then embryo material is punched out and tapping forms threaded hole.
3. the processing technology of anti-loosing nut according to claim 1 or 2, it is characterised in that：The annular groove and screw thread
Hole connection setting, the diameter of threaded hole are less than the overall diameter of annular groove.
4. the processing technology of anti-loosing nut according to claim 3, it is characterised in that：Have on the buffering anticreep pad
The through-hole being adapted to threaded hole, the inner wall of through-hole is smooth annular surface, and the buffering anticreep pad is made of polythene material.
5. the processing technology of anti-loosing nut according to claim 3, it is characterised in that：The diameter of the annular groove bottom
More than the diameter of annular channel opening.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711457969.1A CN108188303B (en) | 2017-12-28 | 2017-12-28 | The processing technology of anti-loosing nut |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711457969.1A CN108188303B (en) | 2017-12-28 | 2017-12-28 | The processing technology of anti-loosing nut |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108188303A true CN108188303A (en) | 2018-06-22 |
| CN108188303B CN108188303B (en) | 2019-08-27 |
Family
ID=62585564
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711457969.1A Active CN108188303B (en) | 2017-12-28 | 2017-12-28 | The processing technology of anti-loosing nut |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108188303B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112845868A (en) * | 2020-12-29 | 2021-05-28 | 河南航天精工制造有限公司 | Stop rivet turning nut forming tool |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5139380A (en) * | 1990-11-28 | 1992-08-18 | Pac Fasteners | Scalloped nut and method of construction |
| CN2188141Y (en) * | 1994-02-01 | 1995-01-25 | 谢孝才 | Locknut |
| CN1613572A (en) * | 2003-11-05 | 2005-05-11 | 徐福广 | Extruding shaping method for self-locking nut |
| CN202732632U (en) * | 2012-07-12 | 2013-02-13 | 宁波市鄞州强力紧固件厂 | Anti-loosening nut |
| CN104265749A (en) * | 2014-09-30 | 2015-01-07 | 泉州市锦汽机械配件有限公司 | Anti-loose self-locking nut and production method thereof |
| CN106984766A (en) * | 2016-01-21 | 2017-07-28 | 东莞市展赐精密五金制品厂 | The hex nut post processing technology of with groove |
-
2017
- 2017-12-28 CN CN201711457969.1A patent/CN108188303B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5139380A (en) * | 1990-11-28 | 1992-08-18 | Pac Fasteners | Scalloped nut and method of construction |
| CN2188141Y (en) * | 1994-02-01 | 1995-01-25 | 谢孝才 | Locknut |
| CN1613572A (en) * | 2003-11-05 | 2005-05-11 | 徐福广 | Extruding shaping method for self-locking nut |
| CN202732632U (en) * | 2012-07-12 | 2013-02-13 | 宁波市鄞州强力紧固件厂 | Anti-loosening nut |
| CN104265749A (en) * | 2014-09-30 | 2015-01-07 | 泉州市锦汽机械配件有限公司 | Anti-loose self-locking nut and production method thereof |
| CN106984766A (en) * | 2016-01-21 | 2017-07-28 | 东莞市展赐精密五金制品厂 | The hex nut post processing technology of with groove |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112845868A (en) * | 2020-12-29 | 2021-05-28 | 河南航天精工制造有限公司 | Stop rivet turning nut forming tool |
| CN112845868B (en) * | 2020-12-29 | 2023-03-14 | 河南航天精工制造有限公司 | Stop rivet turning nut forming tool |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108188303B (en) | 2019-08-27 |
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