CN114523264A - Method for forming countersunk hexagon socket head cap screw - Google Patents
Method for forming countersunk hexagon socket head cap screw Download PDFInfo
- Publication number
- CN114523264A CN114523264A CN202210179361.1A CN202210179361A CN114523264A CN 114523264 A CN114523264 A CN 114523264A CN 202210179361 A CN202210179361 A CN 202210179361A CN 114523264 A CN114523264 A CN 114523264A
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- semi
- cap screw
- hexagon socket
- forming
- head cap
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- 238000000034 method Methods 0.000 title claims abstract description 24
- 239000011265 semifinished product Substances 0.000 claims abstract description 31
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 19
- 239000010959 steel Substances 0.000 claims abstract description 19
- 239000000047 product Substances 0.000 claims abstract description 18
- 238000010791 quenching Methods 0.000 claims abstract description 15
- 230000000171 quenching effect Effects 0.000 claims abstract description 15
- 238000010438 heat treatment Methods 0.000 claims abstract description 13
- 239000000463 material Substances 0.000 claims abstract description 8
- 238000005096 rolling process Methods 0.000 claims abstract description 5
- 238000001816 cooling Methods 0.000 claims abstract description 4
- 238000005520 cutting process Methods 0.000 claims abstract description 4
- 238000003754 machining Methods 0.000 claims abstract description 4
- 238000005406 washing Methods 0.000 claims description 6
- 244000137852 Petrea volubilis Species 0.000 claims description 3
- 239000002253 acid Substances 0.000 claims description 3
- 238000007789 sealing Methods 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 3
- 238000007599 discharging Methods 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 5
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 239000000956 alloy Substances 0.000 description 2
- 229910045601 alloy Inorganic materials 0.000 description 2
- 238000007669 thermal treatment Methods 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 230000004931 aggregating effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000008093 supporting effect Effects 0.000 description 1
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Classifications
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- 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
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/20—Recycling
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Heat Treatment Of Articles (AREA)
Abstract
A method for forming a countersunk hexagon socket head cap screw. Relates to the technical field of bolt manufacturing. Can ensure the heat treatment effect and improve the processing and forming quality. Which comprises the following steps: the method comprises the following steps: selecting steel materials with corresponding sizes according to different products; step two: straightening the steel, cutting according to the size of a product, and reserving a machining allowance; step three: stamping the cut material to form a cylindrical head and a concave hexagonal bolt head; step four: then chamfering and thread rolling are carried out to obtain a semi-finished product; step five: and putting the semi-finished products into a transfer box, uniformly paving a plurality of semi-finished products on a conveyer belt through the transfer box, conveying the semi-finished products into a quenching furnace by the conveyer belt for heat treatment, and cooling to obtain finished products.
Description
Technical Field
The invention relates to the technical field of bolt manufacturing, in particular to a method for forming a countersunk inner hexagon bolt.
Background
The countersunk head bolt is characterized in that the head part of the countersunk head bolt is a 90-degree cone, the head part is provided with a tool tightening groove, the countersunk head bolt is in a straight shape, a cross shape, an inner hexagon and the like, the tail part of the countersunk head bolt is a screw rod, namely a cylinder with external threads, and the countersunk head bolt is required to be matched with a nut and used for fastening and connecting two parts with through holes, and the connection form is called bolt connection; because the alloy is a key component, the alloy has higher requirements on processing quality, strength and toughness.
The bolts need to be subjected to heat treatment in the existing bolt production process, the bolts need to be placed into a quenching furnace for heat treatment in the heat treatment process, and the bolts are generally placed on a conveying line of the quenching furnace by adopting a transfer frame at present, so that a large number of bolts can enter the quenching furnace in an aggregating manner at the same time, the bolts cannot be uniformly subjected to heat treatment, and the heat treatment effect and the processing quality are reduced.
Disclosure of Invention
In order to overcome the defects of the prior art, the invention provides the method for forming the countersunk hexagon socket head cap screw, which can ensure the heat treatment effect and improve the processing and forming quality.
The invention is realized by adopting the following technical scheme: a forming method of a countersunk hexagon socket head cap screw comprises the following steps:
the method comprises the following steps: selecting steel materials with corresponding sizes according to different products;
step two: straightening the steel, cutting according to the size of a product, and reserving a machining allowance;
step three: stamping the cut material to form a cylindrical head and a concave hexagonal bolt head;
step four: then chamfering and thread rolling are carried out to obtain a semi-finished product;
step five: and putting the semi-finished products into a transfer box, uniformly paving a plurality of semi-finished products on a conveyer belt through the transfer box, conveying the semi-finished products into a quenching furnace by the conveyer belt for heat treatment, and cooling to obtain finished products.
In the straightening process of the steel, the steel is roughly ground through sand paper or a grinding wheel, and then finely ground through acid washing and water washing, so that the pretreatment of the steel is realized.
In the fifth step, the temperature of the quenching furnace is set at 850-900 ℃, and the residence time of the semi-finished product in the quenching furnace is 0.5-1.5 h.
And performing oil sealing treatment on the finished product after the finished product is obtained.
The transfer box comprises a box body, the top of the box body is provided with a feeding hole, the bottom of the box body is provided with a discharging pipe, at least two baffle plates are arranged in the box body, and the baffle plates are arranged in a staggered and meshed mode and incline towards the bottom of the box body;
the below of baffle is equipped with the fly leaf, the outside of box is equipped with the driving source, the driving source drive the fly leaf rotates.
The outer wall of the box body is provided with an opening, a rotating seat is arranged in the opening, and the movable plate is arranged at the top of the rotating seat and rotates around the rotating plate.
An elastic pad is further arranged in the opening and is positioned above the movable plate;
the one end of fly leaf is located in the box, the outside that the other end extends to the box through the opening, the driving source is the pneumatic cylinder, the pneumatic cylinder drive the other end of fly leaf.
One side that the fly leaf is close to the rotation seat is equipped with a plurality of pillars, and is a plurality of the pillar dislocation set, one side that the fly leaf kept away from the rotation seat is equipped with a plurality of recesses, the recess prolongs the length direction of fly leaf extends, the pillar with the recess all is located the inside of box.
Compared with the prior art, the semi-finished products are collected and transported by the special transport box during working, and then the semi-finished products can be uniformly laid on the conveying belt through the diversion of the baffle plate and the rotation of the movable plate, so that the semi-finished products cannot be accumulated on the conveying belt, all the semi-finished products can be subjected to effective heat treatment, the heat treatment effect is improved, and the processing and forming quality is also improved.
Drawings
FIG. 1 is a schematic view of a quenching furnace;
FIG. 2 is a schematic diagram of the structure of a transfer box;
FIG. 3 is a schematic view of the movable plate;
in the figure: 1. a quenching furnace; 2. a transfer box; 3. a feed inlet; 4. a discharge pipe; 5. a box body; 6. a baffle plate; 7. a movable plate; 8. an opening; 9. a rotating seat; 10. an elastic pad; 11. a hydraulic cylinder; 12. a pillar; 13. a groove; 14. and (5) conveying the belt.
Detailed Description
The present invention is further described with reference to the accompanying drawings and the detailed description, and it should be noted that, in the case of no conflict, any combination between the embodiments or technical features described below may form a new embodiment.
A forming method of a countersunk hexagon socket head cap screw comprises the following steps:
the method comprises the following steps: selecting steel materials with corresponding sizes according to different products;
step two: straightening the steel, cutting according to the size of a product, and reserving a machining allowance;
step three: stamping the cut material to form a cylindrical head and a concave hexagonal bolt head;
step four: then chamfering and thread rolling are carried out to obtain a semi-finished product;
step five: and (3) putting the semi-finished products into a transfer box 2, uniformly paving a plurality of semi-finished products on a conveyer belt 14 through the transfer box 2, conveying the semi-finished products into a quenching furnace 1 by the conveyer belt 14 for heat treatment, and cooling to obtain finished products. Collect, transport a plurality of semi-manufactured goods through dedicated transport box 2 to lay on conveyer belt 14 uniformly, make a plurality of semi-manufactured goods can not produce on conveyer belt 14 and pile up, guaranteed that all semi-manufactured goods homoenergetic carry out effectual thermal treatment, improved the thermal treatment effect, just also improved processing, fashioned quality.
In the straightening process of the steel, the steel is roughly ground through sand paper or a grinding wheel, and then finely ground through acid washing and water washing, so that the pretreatment of the steel is realized. The steel is pretreated, so that the flatness of the surface of the steel is improved, the size of the bolt can be more accurate after stamping, and the reliability of the processing quality is ensured.
In the fifth step, the temperature of the quenching furnace 1 is set at 850-900 ℃, and the residence time of the semi-finished product in the quenching furnace 1 is 0.5-1.5 h. The internal structure of the quenched bolt is more stable, and the strength of the bolt is improved.
And performing oil sealing treatment on the finished product after the finished product is obtained. The oil seal is convenient to store.
As shown in fig. 1-3, the transfer box 2 comprises a box body 5 with a feed inlet 3 at the top and a discharge pipe 4 at the bottom, at least two baffles 6 are arranged in the box body 5, and the baffles 6 are staggered and meshed and are inclined towards the bottom of the box body 5;
a movable plate 7 is arranged below the baffle 6, a driving source is arranged outside the box body 5, and the driving source drives the movable plate 7 to rotate. After entering the box body 5 through the feed inlet 3, a plurality of semi-finished products can roll downwards along the baffle 6, and through the folding action of the baffles 6, the semi-finished products are gradually separated from each other in the process of rolling downwards to avoid accumulation, when the semi-finished products fall on the top of the movable plate 7, the semi-finished products can continue to roll downwards along the movable plate 7, and because the movable plate 7 can rotate at a certain angle (0-30 degrees), different semi-finished products can have different falling points, so that the semi-finished products can be reliably and uniformly laid on the conveyor belt 14.
An opening 8 is formed in the outer wall of the box body 5, a rotating seat 9 is arranged in the opening 8, and the movable plate 7 is arranged at the top of the rotating seat 9 and rotates around the rotating plate. The movable plate 7 can rotate at a small angle under the supporting action of the rotating seat 9.
An elastic pad 10 is further arranged in the opening 8, and the elastic pad 10 is positioned above the movable plate 7; the elastic pad 10 prevents the semi-finished product from sliding outside the box 5 through the opening 8 without affecting the rotation of the movable plate 7.
One end of the movable plate 7 is located in the box body 5, the other end of the movable plate extends to the outside of the box body 5 through the opening 8, the driving source is a hydraulic cylinder 11, and the hydraulic cylinder 11 drives the other end of the movable plate 7. The movable plate 7 is driven by the hydraulic cylinder 11, and the movable plate 7 is rotated by leverage, so that the semi-finished products can be uniformly laid.
One side that the fly leaf 7 is close to and rotates seat 9 is equipped with a plurality of pillars 12, and is a plurality of pillars 12 dislocation set, one side that the fly leaf 7 is kept away from and rotates seat 9 is equipped with a plurality of recesses 13, recess 13 prolongs the length direction of fly leaf 7 extends, pillar 12 with recess 13 all is located the inside of box 5. Semi-manufactured goods can and take place irregular collision between the pillar 12 when through pillar 12, realize the rotation and the separation of a plurality of semi-manufactured goods, fall into recess 13 again in, can adjust the semi-manufactured goods direction of dropping to a certain extent, further improve the degree of consistency of laying on conveyer belt 14.
The above embodiments are only preferred embodiments of the present invention, and the protection scope of the present invention is not limited thereby, and any insubstantial changes and substitutions made by those skilled in the art based on the present invention are within the protection scope of the present invention.
Claims (8)
1. A forming method of a countersunk hexagon socket head cap screw is characterized by comprising the following steps:
the method comprises the following steps: selecting steel materials with corresponding sizes according to different products;
step two: straightening the steel, cutting according to the size of a product, and reserving machining allowance;
step three: stamping the cut material to form a cylindrical head and a concave hexagonal bolt head;
step four: then chamfering and thread rolling are carried out to obtain a semi-finished product;
step five: and putting the semi-finished products into a transfer box, uniformly paving a plurality of semi-finished products on a conveyer belt through the transfer box, conveying the semi-finished products into a quenching furnace by the conveyer belt for heat treatment, and cooling to obtain finished products.
2. The method for forming a countersunk hexagon socket head cap screw according to claim 1, wherein: in the straightening process of the steel, the steel is roughly ground through sand paper or a grinding wheel, and then finely ground through acid washing and water washing, so that the pretreatment of the steel is realized.
3. The method for forming a countersunk hexagon socket head cap screw according to claim 1, wherein: in the fifth step, the temperature of the quenching furnace is set at 850-900 ℃, and the residence time of the semi-finished product in the quenching furnace is 0.5-1.5 h.
4. The method for forming a countersunk hexagon socket head cap screw according to claim 1, wherein: and performing oil sealing treatment on the finished product after the finished product is obtained.
5. The method for forming a countersunk hexagon socket head cap screw according to claim 1, wherein: the transfer box comprises a box body, the top of the box body is provided with a feeding hole, the bottom of the box body is provided with a discharging pipe, at least two baffle plates are arranged in the box body, and the baffle plates are arranged in a staggered and meshed mode and incline towards the bottom of the box body;
the below of baffle is equipped with the fly leaf, the outside of box is equipped with the driving source, the driving source drive the fly leaf rotates.
6. The method for forming a countersunk hexagon socket head cap screw according to claim 5, wherein: the outer wall of the box body is provided with an opening, a rotating seat is arranged in the opening, and the movable plate is arranged at the top of the rotating seat and rotates around the rotating plate.
7. The method for forming a countersunk hexagon socket head cap screw according to claim 6, wherein: an elastic pad is further arranged in the opening and is positioned above the movable plate;
the one end of fly leaf is located in the box, the outside that the other end extends to the box through the opening, the driving source is the pneumatic cylinder, the pneumatic cylinder drive the other end of fly leaf.
8. The method for forming a countersunk hexagon socket head cap screw according to claim 5, wherein: one side that the fly leaf is close to the rotation seat is equipped with a plurality of pillars, and is a plurality of the pillar dislocation set, one side that the fly leaf kept away from the rotation seat is equipped with a plurality of recesses, the recess prolongs the length direction of fly leaf extends, the pillar with the recess all is located the inside of box.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210179361.1A CN114523264A (en) | 2022-02-25 | 2022-02-25 | Method for forming countersunk hexagon socket head cap screw |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210179361.1A CN114523264A (en) | 2022-02-25 | 2022-02-25 | Method for forming countersunk hexagon socket head cap screw |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114523264A true CN114523264A (en) | 2022-05-24 |
Family
ID=81624954
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210179361.1A Pending CN114523264A (en) | 2022-02-25 | 2022-02-25 | Method for forming countersunk hexagon socket head cap screw |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114523264A (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH032326A (en) * | 1989-05-29 | 1991-01-08 | Miyagawa Kinzoku Kogyo Kk | Precipitation hardening stainless steel bolt and its manufacture |
| CN201411213Y (en) * | 2009-05-06 | 2010-02-24 | 吴啸 | Buffer air lock |
| US20110139578A1 (en) * | 2008-05-15 | 2011-06-16 | Fluor Technologies Corporation | Adjustable Conveyor Chute |
| KR20130014805A (en) * | 2011-08-01 | 2013-02-12 | 주식회사 포스코 | Matrials treatment apparatus |
| CN203997731U (en) * | 2014-08-28 | 2014-12-10 | 航天精工股份有限公司 | A kind of feed arrangement |
| CN207275637U (en) * | 2017-09-26 | 2018-04-27 | 王琳 | A kind of Liftable type deflector chute |
| CN208531759U (en) * | 2018-05-03 | 2019-02-22 | 福建省东方水泥制品有限公司 | Feed device is used in a kind of production of double-layer brick |
| CN210824257U (en) * | 2019-11-07 | 2020-06-23 | 蒋振 | Agricultural machine divides seedling device |
| CN111992986A (en) * | 2020-07-21 | 2020-11-27 | 江苏永昊高强度螺栓有限公司 | Manufacturing and processing technology of bolt |
-
2022
- 2022-02-25 CN CN202210179361.1A patent/CN114523264A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH032326A (en) * | 1989-05-29 | 1991-01-08 | Miyagawa Kinzoku Kogyo Kk | Precipitation hardening stainless steel bolt and its manufacture |
| US20110139578A1 (en) * | 2008-05-15 | 2011-06-16 | Fluor Technologies Corporation | Adjustable Conveyor Chute |
| CN201411213Y (en) * | 2009-05-06 | 2010-02-24 | 吴啸 | Buffer air lock |
| KR20130014805A (en) * | 2011-08-01 | 2013-02-12 | 주식회사 포스코 | Matrials treatment apparatus |
| CN203997731U (en) * | 2014-08-28 | 2014-12-10 | 航天精工股份有限公司 | A kind of feed arrangement |
| CN207275637U (en) * | 2017-09-26 | 2018-04-27 | 王琳 | A kind of Liftable type deflector chute |
| CN208531759U (en) * | 2018-05-03 | 2019-02-22 | 福建省东方水泥制品有限公司 | Feed device is used in a kind of production of double-layer brick |
| CN210824257U (en) * | 2019-11-07 | 2020-06-23 | 蒋振 | Agricultural machine divides seedling device |
| CN111992986A (en) * | 2020-07-21 | 2020-11-27 | 江苏永昊高强度螺栓有限公司 | Manufacturing and processing technology of bolt |
Non-Patent Citations (1)
| Title |
|---|
| 刘积学: "大学物理演示实验", vol. 1, 31 October 2010, 中国科学技术大学出版社, pages: 32 - 33 * |
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