CN109340242B - Preparation process of special-shaped nut - Google Patents
Preparation process of special-shaped nut Download PDFInfo
- Publication number
- CN109340242B CN109340242B CN201811593197.9A CN201811593197A CN109340242B CN 109340242 B CN109340242 B CN 109340242B CN 201811593197 A CN201811593197 A CN 201811593197A CN 109340242 B CN109340242 B CN 109340242B
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- special
- fixed block
- shaped nut
- edge limiting
- steel
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- 238000002360 preparation method Methods 0.000 title claims abstract description 14
- 229910000831 Steel Inorganic materials 0.000 claims description 36
- 239000010959 steel Substances 0.000 claims description 36
- 238000005520 cutting process Methods 0.000 claims description 30
- 238000005452 bending Methods 0.000 claims description 24
- 238000000227 grinding Methods 0.000 claims description 18
- 238000002161 passivation Methods 0.000 claims description 18
- 238000004080 punching Methods 0.000 claims description 18
- 238000010079 rubber tapping Methods 0.000 claims description 18
- 238000001035 drying Methods 0.000 claims description 12
- 239000000463 material Substances 0.000 claims description 12
- 238000005260 corrosion Methods 0.000 claims description 8
- 230000007547 defect Effects 0.000 claims description 7
- 239000003795 chemical substances by application Substances 0.000 claims description 6
- 230000007797 corrosion Effects 0.000 claims description 6
- 230000001681 protective effect Effects 0.000 claims description 6
- 239000002994 raw material Substances 0.000 claims description 6
- 238000002791 soaking Methods 0.000 claims description 6
- 239000004575 stone Substances 0.000 claims description 6
- 230000003746 surface roughness Effects 0.000 claims description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 6
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 230000000149 penetrating effect Effects 0.000 abstract 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 5
- 239000011248 coating agent Substances 0.000 description 4
- 238000000576 coating method Methods 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B37/00—Nuts or like thread-engaging members
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
Abstract
The invention relates to the technical field of nut production and processing, in particular to a special-shaped nut which comprises a cuboid fixed block, wherein two round holes are formed in the fixed block in a penetrating mode, threads are arranged on the fixed block inside the holes, first grooves are formed in the side edges of the fixed block on two sides of each hole, edge limiting plates are fixedly arranged on the side walls of the fixed block on one side of each first groove, and the edge limiting plates and the fixed block are of an integrated structure. The invention also provides a preparation process of the special-shaped nut. The special-shaped nut fixing device is simple in structure, easy to install and convenient to use, and even if the special-shaped nut slips, the special-shaped nut can be used for fixing the solar support under the action of the two edge limiting plates.
Description
Technical Field
The invention relates to the technical field of nut production and processing, in particular to a preparation process of a special-shaped nut.
Background
The nut is a nut, and is a part which is screwed together with a bolt or a screw rod to play a fastening role, in the fixing of the solar bracket, a standard nut and a bolt which are commonly used are used for fixing the solar bracket, but when the nut generates a thread slipping condition, the nut and two support rods which are mutually overlapped of the solar bracket fixed by the bolt are easy to generate a sliding condition.
Disclosure of Invention
The invention aims to solve the defects in the prior art and provides a preparation process of a special-shaped nut.
In order to achieve the purpose, the invention adopts the following technical scheme:
the utility model provides a special-shaped nut, includes the fixed block of cuboid, it is equipped with two circular shape holes to run through on the fixed block, be equipped with the screw thread on the inside fixed block of hole, two first recess has all been seted up to the fixed block side edge of hole both sides, the fixed border limiting plate that is equipped with on the fixed block lateral wall of first recess one side, border limiting plate and fixed block structure as an organic whole.
Preferably, a second groove is formed in one end, far away from the first groove, of the edge limiting plate.
Preferably, the surfaces of the edge limiting plate and the fixed block are both provided with anti-corrosion layers.
The invention also provides a preparation process of the special-shaped nut, which comprises the following specific steps:
s1, selecting materials: selecting high-plasticity and low-hardness steel as a raw material for producing the special-shaped nut, wherein the surface hardness of the steel is required to be 75-85HRB, and the steel is ensured to have lower surface roughness, so that the steel is not allowed to have surface defects such as scratches, pitting, rust and the like;
s2, cold heading: cold heading the steel material in the step S1 into an initial blank of an edge limiting plate with a cuboid middle part and cuboid two sides, wherein the thickness of the middle fixing block is thicker than that of the edge limiting plates at the two sides;
s3, bending: bending the steel subjected to cold heading in the step S2 by using a bending machine, bending the edge limiting plates on the two sides, and enabling the bent edge limiting plates and the fixing block in the middle to be in a mutually perpendicular state;
s4, cutting treatment: cutting a second groove on one end, far away from the fixed block, of the edge limiting plate by using a cutting device, and cutting a first groove on the fixed block by using the cutting device;
s5, punching: punching the fixed block between the two second grooves by using a punching device, and forming two round holes on the fixed block between the two second grooves;
s6, tapping: tapping threads inside the hole by using tapping equipment to form threads in the hole;
s7, grinding: the special grinding stone and the grinding agent are selected to grind the surface of the special-shaped nut, so that the surface of the device is smooth and clean;
s8, passivation: placing the special-shaped nut in a passivation solution ID4003 for soaking for 20-30 minutes, keeping the temperature of the passivation solution ID4003 at 35-45 ℃, and passivating to form a protective film on the surface of the special-shaped nut and increase the corrosion resistance of the special-shaped nut;
s9, drying: and (3) placing the passivated special-shaped nut at the temperature of 75-85 ℃ for drying treatment for 15-20 minutes.
Preferably, in step S7, after the surface of the special-shaped nut is ground, the special-shaped nut is cleaned with clean water, and then the special-shaped nut is dried at a temperature of 50-80 ℃ for 10-20 minutes.
The preparation process of the special-shaped nut provided by the invention has the beneficial effects that: the special-shaped nut fixing device is simple in structure, easy to install and convenient to use, and even if the special-shaped nut slips, the special-shaped nut can be used for fixing the solar support under the action of the two edge limiting plates.
Drawings
Fig. 1 is a schematic structural diagram of a special-shaped nut according to the present invention;
fig. 2 is a flow chart of a manufacturing process of the special-shaped nut provided by the invention.
In the figure: fixed block 1, hole 2, screw thread 3, first recess 4, border limiting plate 5, second recess 6.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Example 1
Referring to fig. 1-2, a special-shaped nut, including fixed block 1 of cuboid, run through on fixed block 1 and be equipped with two circular shape holes 2, be equipped with screw thread 3 on the fixed block 1 of hole 2 inside, first recess 4 has all been seted up to fixed block 1 side edge of two holes 2 both sides, fixed border limiting plate 5 that is equipped with on the fixed block 1 lateral wall of first recess 4 one side, border limiting plate 5 and fixed block 1 are the integral structure, border limiting plate 5 keeps away from one of first recess 4 and serves and set up second recess 6, border limiting plate 5 and fixed block 1 surface all are equipped with the anticorrosive coating.
The invention also provides a preparation process of the special-shaped nut, which comprises the following specific steps:
s1, selecting materials: selecting high-plasticity and low-hardness steel as a raw material for producing the special-shaped nut, wherein the surface hardness of the steel is required to be 75HRB, and the steel is ensured to have lower surface roughness, so that the steel is not allowed to have surface defects such as scratches, pitting, rust and the like;
s2, cold heading: cold heading the steel material in the step S1 into an initial blank of a fixed block 1 with a cuboid middle part and cuboid edge limiting plates 5 on two sides by using a cold heading machine, wherein the thickness of the fixed block 1 in the middle part is thicker than the thickness of the edge limiting plates 5 on two sides;
s3, bending: bending the steel subjected to cold heading in the step S2 by using a bending machine, bending the edge limiting plates 5 on the two sides, and enabling the bent edge limiting plates 5 and the fixing block 1 in the middle to be in a mutually perpendicular state;
s4, cutting treatment: cutting a second groove 6 on one end of the edge limiting plate 5 far away from the fixed block 1 by using a cutting device, and cutting a first groove 4 on the fixed block 1 by using the cutting device;
s5, punching: punching the fixed block 1 between the two second grooves 6 by using a punching device, and forming two circular holes 2 on the fixed block 1 between the two second grooves 6;
s6, tapping: tapping threads inside the hole 2 by tapping equipment to form threads 3 in the hole 2;
s7, grinding: the special grinding stone and the grinding agent are selected to grind the surface of the special-shaped nut, so that the surface of the device is smooth and clean;
s8, passivation: placing the special-shaped nut in a passivation solution ID4003 for soaking for 20 minutes, keeping the temperature of the passivation solution ID4003 at 35 ℃, and passivating to form a protective film on the surface of the special-shaped nut and increase the corrosion resistance of the special-shaped nut;
s9, drying: and (5) placing the passivated special-shaped nut at the temperature of 75 ℃ for drying treatment for 15 minutes.
In step S7, the surface of the special-shaped nut is ground, the special-shaped nut is cleaned with clean water, and then the special-shaped nut is dried at 50 ℃ for 10 minutes.
Example 2
Referring to fig. 1-2, a special-shaped nut, including fixed block 1 of cuboid, run through on fixed block 1 and be equipped with two circular shape holes 2, be equipped with screw thread 3 on the fixed block 1 of hole 2 inside, first recess 4 has all been seted up to fixed block 1 side edge of two holes 2 both sides, fixed border limiting plate 5 that is equipped with on the fixed block 1 lateral wall of first recess 4 one side, border limiting plate 5 and fixed block 1 are the integral structure, border limiting plate 5 keeps away from one of first recess 4 and serves and set up second recess 6, border limiting plate 5 and fixed block 1 surface all are equipped with the anticorrosive coating.
The invention also provides a preparation process of the special-shaped nut, which comprises the following specific steps:
s1, selecting materials: selecting high-plasticity and low-hardness steel as a raw material for producing the special-shaped nut, wherein the surface hardness of the steel is required to be 78HRB, and the steel is ensured to have lower surface roughness, so that the steel is not allowed to have surface defects such as scratches, pitting, rust and the like;
s2, cold heading: cold heading the steel material in the step S1 into an initial blank of a fixed block 1 with a cuboid middle part and cuboid edge limiting plates 5 on two sides by using a cold heading machine, wherein the thickness of the fixed block 1 in the middle part is thicker than the thickness of the edge limiting plates 5 on two sides;
s3, bending: bending the steel subjected to cold heading in the step S2 by using a bending machine, bending the edge limiting plates 5 on the two sides, and enabling the bent edge limiting plates 5 and the fixing block 1 in the middle to be in a mutually perpendicular state;
s4, cutting treatment: cutting a second groove 6 on one end of the edge limiting plate 5 far away from the fixed block 1 by using a cutting device, and cutting a first groove 4 on the fixed block 1 by using the cutting device;
s5, punching: punching the fixed block 1 between the two second grooves 6 by using a punching device, and forming two circular holes 2 on the fixed block 1 between the two second grooves 6;
s6, tapping: tapping threads inside the hole 2 by tapping equipment to form threads 3 in the hole 2;
s7, grinding: the special grinding stone and the grinding agent are selected to grind the surface of the special-shaped nut, so that the surface of the device is smooth and clean;
s8, passivation: placing the special-shaped nut in a passivation solution ID4003 for soaking for 23 minutes, keeping the temperature of the passivation solution ID4003 at 38 ℃, and passivating to form a protective film on the surface of the special-shaped nut and increase the corrosion resistance of the special-shaped nut;
s9, drying: and (5) placing the passivated special-shaped nut at the temperature of 78 ℃ for drying treatment for 17 minutes.
In step S7, the surface of the special-shaped nut is ground, the special-shaped nut is cleaned with clean water, and then the special-shaped nut is dried at 60 degrees for 12 minutes.
Example 3
Referring to fig. 1-2, a special-shaped nut, including fixed block 1 of cuboid, run through on fixed block 1 and be equipped with two circular shape holes 2, be equipped with screw thread 3 on the fixed block 1 of hole 2 inside, first recess 4 has all been seted up to fixed block 1 side edge of two holes 2 both sides, fixed border limiting plate 5 that is equipped with on the fixed block 1 lateral wall of first recess 4 one side, border limiting plate 5 and fixed block 1 are the integral structure, border limiting plate 5 keeps away from one of first recess 4 and serves and set up second recess 6, border limiting plate 5 and fixed block 1 surface all are equipped with the anticorrosive coating.
The invention also provides a preparation process of the special-shaped nut, which comprises the following specific steps:
s1, selecting materials: selecting high-plasticity and low-hardness steel as a raw material for producing the special-shaped nut, wherein the surface hardness of the steel is required to be 82HRB, and the steel is ensured to have lower surface roughness, so that the steel is not allowed to have surface defects such as scratches, pitting, rust and the like;
s2, cold heading: cold heading the steel material in the step S1 into an initial blank of a fixed block 1 with a cuboid middle part and cuboid edge limiting plates 5 on two sides by using a cold heading machine, wherein the thickness of the fixed block 1 in the middle part is thicker than the thickness of the edge limiting plates 5 on two sides;
s3, bending: bending the steel subjected to cold heading in the step S2 by using a bending machine, bending the edge limiting plates 5 on the two sides, and enabling the bent edge limiting plates 5 and the fixing block 1 in the middle to be in a mutually perpendicular state;
s4, cutting treatment: cutting a second groove 6 on one end of the edge limiting plate 5 far away from the fixed block 1 by using a cutting device, and cutting a first groove 4 on the fixed block 1 by using the cutting device;
s5, punching: punching the fixed block 1 between the two second grooves 6 by using a punching device, and forming two circular holes 2 on the fixed block 1 between the two second grooves 6;
s6, tapping: tapping threads inside the hole 2 by tapping equipment to form threads 3 in the hole 2;
s7, grinding: the special grinding stone and the grinding agent are selected to grind the surface of the special-shaped nut, so that the surface of the device is smooth and clean;
s8, passivation: placing the special-shaped nut in a passivation solution ID4003 for soaking for 28 minutes, keeping the temperature of the passivation solution ID4003 at 42 ℃, and passivating to form a protective film on the surface of the special-shaped nut and increase the corrosion resistance of the special-shaped nut;
s9, drying: and (5) placing the passivated special-shaped nut at the temperature of 82 ℃ for drying treatment for 18 minutes.
In step S7, the surface of the special-shaped nut is ground, the special-shaped nut is cleaned with clean water, and then the special-shaped nut is dried at 70 ℃ for 18 minutes.
Example 4
Referring to fig. 1-2, a special-shaped nut, including fixed block 1 of cuboid, run through on fixed block 1 and be equipped with two circular shape holes 2, be equipped with screw thread 3 on the fixed block 1 of hole 2 inside, first recess 4 has all been seted up to fixed block 1 side edge of two holes 2 both sides, fixed border limiting plate 5 that is equipped with on the fixed block 1 lateral wall of first recess 4 one side, border limiting plate 5 and fixed block 1 are the integral structure, border limiting plate 5 keeps away from one of first recess 4 and serves and set up second recess 6, border limiting plate 5 and fixed block 1 surface all are equipped with the anticorrosive coating.
The invention also provides a preparation process of the special-shaped nut, which comprises the following specific steps:
s1, selecting materials: selecting high-plasticity and low-hardness steel as a raw material for producing the special-shaped nut, wherein the surface hardness of the steel is required to be 85HRB, and the steel is ensured to have lower surface roughness, so that the steel is not allowed to have surface defects such as scratches, pitting, rust and the like;
s2, cold heading: cold heading the steel material in the step S1 into an initial blank of a fixed block 1 with a cuboid middle part and cuboid edge limiting plates 5 on two sides by using a cold heading machine, wherein the thickness of the fixed block 1 in the middle part is thicker than the thickness of the edge limiting plates 5 on two sides;
s3, bending: bending the steel subjected to cold heading in the step S2 by using a bending machine, bending the edge limiting plates 5 on the two sides, and enabling the bent edge limiting plates 5 and the fixing block 1 in the middle to be in a mutually perpendicular state;
s4, cutting treatment: cutting a second groove 6 on one end of the edge limiting plate 5 far away from the fixed block 1 by using a cutting device, and cutting a first groove 4 on the fixed block 1 by using the cutting device;
s5, punching: punching the fixed block 1 between the two second grooves 6 by using a punching device, and forming two circular holes 2 on the fixed block 1 between the two second grooves 6;
s6, tapping: tapping threads inside the hole 2 by tapping equipment to form threads 3 in the hole 2;
s7, grinding: the special grinding stone and the grinding agent are selected to grind the surface of the special-shaped nut, so that the surface of the device is smooth and clean;
s8, passivation: placing the special-shaped nut in a passivation solution ID4003 for soaking for 30 minutes, keeping the temperature of the passivation solution ID4003 at 45 ℃, and passivating to form a protective film on the surface of the special-shaped nut and increase the corrosion resistance of the special-shaped nut;
s9, drying: and (5) placing the passivated special-shaped nut at the temperature of 85 ℃ for drying treatment for 15-20 minutes.
In step S7, the surface of the special-shaped nut is ground, the special-shaped nut is cleaned with clean water, and then the special-shaped nut is dried at 80 ℃ for 20 minutes.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (1)
1. The preparation process of the special-shaped nut comprises a cuboid fixed block (1), wherein two round holes (2) penetrate through the fixed block (1), threads (3) are arranged on the fixed block (1) inside the holes (2), first grooves (4) are formed in the side edges of the fixed block (1) on two sides of each hole (2), edge limiting plates (5) are fixedly arranged on the side walls of the fixed block (1) on one side of each first groove (4), and the edge limiting plates (5) and the fixed block (1) are of an integrated structure; a second groove (6) is formed in one end, far away from the first groove (4), of the edge limiting plate (5); the surfaces of the edge limiting plate (5) and the fixed block (1) are provided with anti-corrosion layers; it is characterized in that the preparation method is characterized in that,
the preparation process of the special-shaped nut comprises the following specific steps:
s1, selecting materials: selecting high-plasticity and low-hardness steel as a raw material for producing the special-shaped nut, wherein the surface hardness of the steel is required to be 75-85HRB, and the steel is ensured to have lower surface roughness, so that the steel is not allowed to have surface defects;
s2, cold heading: cold heading the steel material in the step S1 into an initial blank of a fixing block (1) with a cuboid middle part and cuboid edge limiting plates (5) at two sides by using a cold heading machine, wherein the thickness of the fixing block (1) at the middle part is thicker than the thickness of the edge limiting plates (5) at the two sides;
s3, bending: bending the steel subjected to cold heading in the step S2 by using a bending machine, bending the edge limiting plates (5) at two sides, and enabling the bent edge limiting plates (5) to be in a mutually vertical state with the fixing block (1) in the middle;
s4, cutting treatment: cutting a second groove (6) on one end of the edge limiting plate (5) far away from the fixed block (1) by using a cutting device, and cutting a first groove (4) on the fixed block (1) by using the cutting device;
s5, punching: punching the fixed block (1) between the two second grooves (6) by using a punching device, and forming two circular holes (2) on the fixed block (1) between the two second grooves (6);
s6, tapping: tapping threads in the hole (2) by using tapping equipment to form threads (3) in the hole (2);
s7, grinding: the special grinding stone and the grinding agent are selected to grind the surface of the special-shaped nut, so that the surface of the device is smooth and clean;
s8, passivation: placing the special-shaped nut in a passivation solution ID4003 for soaking for 20-30 minutes, keeping the temperature of the passivation solution ID4003 at 35-45 ℃, and passivating to form a protective film on the surface of the special-shaped nut and increase the corrosion resistance of the special-shaped nut;
s9, drying: placing the passivated special-shaped nut at the temperature of 75-85 ℃ for drying treatment for 15-20 minutes;
in step S7, the surface of the special-shaped nut is ground, the special-shaped nut is cleaned with clean water, and then the special-shaped nut is dried at 50-80 ℃ for 10-20 minutes.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811593197.9A CN109340242B (en) | 2018-12-25 | 2018-12-25 | Preparation process of special-shaped nut |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811593197.9A CN109340242B (en) | 2018-12-25 | 2018-12-25 | Preparation process of special-shaped nut |
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| Publication Number | Publication Date |
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| CN109340242A CN109340242A (en) | 2019-02-15 |
| CN109340242B true CN109340242B (en) | 2020-07-21 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110666459A (en) * | 2019-09-27 | 2020-01-10 | 宁波双林汽车部件股份有限公司 | Efficient manufacturing method of automobile electric seat nut |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101210584A (en) * | 2007-12-21 | 2008-07-02 | 上海汽车集团股份有限公司 | Technique for manufacturing vehicle door bonnet lock nut plate |
| CN202579574U (en) * | 2012-04-05 | 2012-12-05 | 北京汽车股份有限公司 | Movable nut plate assembly and vehicle |
| CN202646307U (en) * | 2012-04-10 | 2013-01-02 | 上海华恒新能源科技有限公司 | Plastic wing nut |
| CN105917575A (en) * | 2013-12-23 | 2016-08-31 | 太阳能公司 | Improved clamps for solar systems |
-
2018
- 2018-12-25 CN CN201811593197.9A patent/CN109340242B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101210584A (en) * | 2007-12-21 | 2008-07-02 | 上海汽车集团股份有限公司 | Technique for manufacturing vehicle door bonnet lock nut plate |
| CN202579574U (en) * | 2012-04-05 | 2012-12-05 | 北京汽车股份有限公司 | Movable nut plate assembly and vehicle |
| CN202646307U (en) * | 2012-04-10 | 2013-01-02 | 上海华恒新能源科技有限公司 | Plastic wing nut |
| CN105917575A (en) * | 2013-12-23 | 2016-08-31 | 太阳能公司 | Improved clamps for solar systems |
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