CN215657626U - Straight line groove cylinder head screw cold-heading mould - Google Patents
Straight line groove cylinder head screw cold-heading mould Download PDFInfo
- Publication number
- CN215657626U CN215657626U CN202121696255.8U CN202121696255U CN215657626U CN 215657626 U CN215657626 U CN 215657626U CN 202121696255 U CN202121696255 U CN 202121696255U CN 215657626 U CN215657626 U CN 215657626U
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- China
- Prior art keywords
- die
- die sleeve
- cylinder head
- head screw
- seat
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- Expired - Fee Related
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- 239000010935 stainless steel Substances 0.000 claims description 4
- 229910001220 stainless steel Inorganic materials 0.000 claims description 4
- 238000010276 construction Methods 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000004080 punching Methods 0.000 description 3
- 238000005242 forging Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 229910000851 Alloy steel Inorganic materials 0.000 description 1
- 229910000975 Carbon steel Inorganic materials 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 229910001069 Ti alloy Inorganic materials 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000010962 carbon steel Substances 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000009966 trimming Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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Abstract
The utility model discloses a straight groove cylindrical head screw cold heading die, which belongs to the technical field of cold heading dies and comprises a die sleeve, wherein a die core is arranged in the die sleeve, a screw forming cavity is arranged in the die core, a plurality of empty grooves are formed in the outer side of the die sleeve, and a vertical rod is arranged in the middle of each empty groove. The processing quality of the screw is improved.
Description
Technical Field
The utility model belongs to the technical field of cold heading dies, and particularly relates to a cold heading die for a slotted cylindrical head screw.
Background
Cold heading, namely a forging method for upsetting (usually local upsetting) and forming a metal bar by utilizing a die at normal temperature. Are commonly used to manufacture heads for screws, bolts, rivets, etc. Machining may be reduced or replaced. The forging stock material can be copper, aluminum, carbon steel, alloy steel, stainless steel, titanium alloy and the like, and the utilization rate of the material can reach 80-90%. Cold heading is mostly carried out on a special cold heading machine, and the continuous, multi-station and automatic production is convenient to realize. The cold header can sequentially complete the working procedures of blanking, heading, accumulating, forming, chamfering, thread rolling, reducing, trimming and the like.
Chinese patent application No. CN210586977U discloses a flat head hexagonal screw uses cold-heading mould, and former mould die sleeve is heavy, light inconvenient use inadequately, and former mould can't be fixed between die sleeve and the mold core simultaneously, and the mould takes place easily when bearing the punching press between mold core and the die sleeve to become flexible, has reduced screw production quality.
SUMMERY OF THE UTILITY MODEL
In order to solve the problems in the background technology, the utility model provides a straight-groove cylindrical head screw cold heading die which has the characteristics of light die sleeve and convenience in use.
In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a slotted cylinder head screw cold-heading mould, includes the die sleeve, the inside of die sleeve is provided with the mold core, the inside of mold core is provided with screw molding cavity, the outside of die sleeve is provided with a plurality of dead slots, the intermediate position of dead slot is provided with the montant.
Preferably, one side of the vertical rod is provided with a first inclined rod, and the other side of the first inclined rod is provided with a second inclined rod.
Preferably, the first inclined rod and the second inclined rod are both of stainless steel structures, and thirty-degree angles are formed between the first inclined rod and the vertical rod and between the second inclined rod and the vertical rod.
Preferably, the inside lower extreme of die sleeve is provided with and takes the seat, the lower extreme of mold core is provided with the overlap joint portion that corresponds with taking the seat, it is fixed to connect through hexagon socket head cap screw between mold core and the taking the seat.
Preferably, the position of the seat corresponding to the hexagon socket head cap screw is provided with a mounting groove, and the mounting groove is of a circular structure.
Preferably, the position of the seat corresponding to the hexagon socket head cap screw is provided with a mounting groove, and the mounting groove is of a circular structure.
Compared with the prior art, the utility model has the beneficial effects that:
1. the die sleeve is provided with the empty grooves, the weight of the die sleeve can be reduced by arranging the empty grooves on the outer side of the die sleeve, the die sleeve is lighter and more convenient to use, and meanwhile, the vertical rods, the first inclined rods and the second inclined rods are arranged in the empty grooves, so that the overall strength of the die sleeve can be ensured, and the die sleeve is prevented from deforming during use.
2. According to the utility model, the lapping seat is arranged at the lower end in the die sleeve, and the lapping part is arranged at the lower end of the die core, so that the lapping part at the lower end of the die core can be contacted with the lapping seat, and the die sleeve and the die core are fixed through the hexagon socket head cap screw, thereby preventing the die core and the die sleeve from loosening when the die bears stamping, and improving the processing quality of screws.
Drawings
FIG. 1 is a perspective view of the present invention;
FIG. 2 is a front cross-sectional view of the present invention;
FIG. 3 is an enlarged view taken at A of FIG. 2 according to the present invention;
FIG. 4 is a perspective view of the mold core of the present invention installed;
in the figure: 1. die sleeve; 2. a mold core; 3. a screw forming cavity; 4. an empty groove; 5. a first inclined rod; 6. a second diagonal rod; 7. a vertical rod; 8. setting up a seat; 9. mounting grooves; 10. a hexagon socket head cap screw; 11. a lap joint part.
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. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1
Referring to fig. 1-4, the present invention provides the following technical solutions: the utility model provides a straight groove cylinder head screw cold-heading mould, includes die sleeve 1, and the inside of die sleeve 1 is provided with mold core 2, and the inside of mold core 2 is provided with screw shaping chamber 3, and the outside of die sleeve 1 is provided with a plurality of dead slots 4, and the intermediate position of dead slot 4 is provided with montant 7.
Specifically, one side of the vertical rod 7 is provided with a first inclined rod 5, and the other side of the first inclined rod 5 is provided with a second inclined rod 6.
Through adopting above-mentioned technical scheme, set up the bulk strength that the die sleeve 1 can be guaranteed to down tube one 5 and down tube two 6 in dead slot 4, prevent that die sleeve 1 from taking place deformation when using.
Specifically, the first diagonal rod 5 and the second diagonal rod 6 are both made of stainless steel structures, and thirty-degree angles are formed between the first diagonal rod 5 and the vertical rod 7 and between the second diagonal rod 6 and the vertical rod 7.
By adopting the technical scheme, the first inclined rod 5 and the second inclined rod 6 mutually form a constraint force, and the overall strength of the first inclined rod 5 and the second inclined rod 6 is improved.
When the die sleeve is used, the weight of the die sleeve 1 can be reduced by arranging the plurality of empty grooves 4 on the outer side of the die sleeve 1, so that the die sleeve 1 is lighter and more convenient to use, and meanwhile, the vertical rods 7, the first inclined rods 5 and the second inclined rods 6 are arranged in the empty grooves 4, so that the overall strength of the die sleeve 1 can be ensured, and the die sleeve 1 is prevented from deforming in use;
example 2
The present embodiment is different from embodiment 1 in that: the inside lower extreme of die sleeve 1 is provided with and takes seat 8, and the lower extreme of mold core 2 is provided with and takes overlap joint portion 11 that seat 8 corresponds, and mold core 2 is connected fixedly through hexagon socket head cap screw 10 with taking between the seat 8.
Through adopting above-mentioned technical scheme, through setting up at the inside lower extreme of die sleeve 1 and taking seat 8 to set up overlap joint portion 11 at 2 lower extremes of mold core, make the overlap joint portion 11 of 2 lower extremes of mold core can with take seat 8 contact, and fix die sleeve 1 and mold core 2 through hexagon socket head cap screw 10, prevent that the mould from taking place to become flexible between mold core 2 and the die sleeve 1 when bearing the punching press, improve screw processingquality.
Specifically, the mounting seat 8 is provided with a mounting groove 9 at a position corresponding to the hexagon socket head cap screw 10, and the mounting groove 9 is of a circular structure.
Through adopting above-mentioned technical scheme, set up mounting groove 9 in taking seat 8 and make hexagon socket head cap screw 10 can get into mounting groove 9, hexagon socket head cap screw 10 can not have the bulge to influence the normal use of mould, and mounting groove 9 sets up to make things convenient for hexagon socket head cap screw 10 to get into for circular structure.
Specifically, the lower end of the mold core 2 is provided with a threaded hole at a position corresponding to the hexagon socket head cap screw 10, and the lapping seat 8 and the mold sleeve 1 are of a welded integral structure.
Through adopting above-mentioned technical scheme, hexagon socket head cap screw 10 reaches in getting into the screw hole of 2 lower extremes of mold core and carries out the effect fixed to mold core 2, and it is more firm with 1 formula structure as an organic whole of welding of die sleeve to take seat 8 simultaneously, improves bulk strength.
During the use of the embodiment, through setting up the seat of taking 8 at the inside lower extreme of die sleeve 1, and set up overlap joint 11 at 2 lower extremes of mold core, make the overlap joint 11 of 2 lower extremes of mold core can with take 8 contacts, and fix die sleeve 1 and mold core 2 through hexagon socket head cap screw 10, it is not hard up to prevent that the mould from taking place between mold core 2 and the die sleeve 1 when bearing the punching press, improve screw processingquality, make hexagon socket head cap screw 10 can get into mounting groove 9 through setting up mounting groove 9 in taking seat 8, hexagon socket head cap screw 10 can not have the bulge to influence the normal use of mould.
The structure and the working principle of the die sleeve 1, the die core 2 and the screw forming cavity 3 are disclosed in a cold heading die for a flat-headed hexagonal screw disclosed in Chinese patent application No. CN 210586977U.
The working principle and the using process of the utility model are as follows: when the utility model is used, the device is arranged at a proper position, the weight of the die sleeve 1 can be reduced by arranging a plurality of empty grooves 4 at the outer side of the die sleeve 1, the die sleeve 1 is more portable and convenient to use, meanwhile, the vertical rod 7, the first diagonal rod 5 and the second diagonal rod 6 are arranged in the hollow groove 4, so that the overall strength of the die sleeve 1 can be ensured, the die sleeve 1 is prevented from deforming in use, by arranging the lapping seat 8 at the lower end in the die sleeve 1 and arranging the lapping part 11 at the lower end of the die core 2, the lapping part 11 at the lower end of the die core 2 can be contacted with the lapping seat 8, the die sleeve 1 and the die core 2 are fixed through the hexagon socket head cap screw 10, the looseness between the die core 2 and the die sleeve 1 when the die bears the stamping is prevented, the processing quality of the screw is improved, by arranging the mounting groove 9 in the stand 8, the hexagon socket head cap screw 10 can enter the mounting groove 9, and the hexagon socket head cap screw 10 does not have a convex part to influence the normal use of the die.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a straight flute cylinder head screw cold-heading mould, includes die sleeve (1), its characterized in that: the die is characterized in that a die core (2) is arranged inside the die sleeve (1), a screw forming cavity (3) is arranged inside the die core (2), a plurality of empty grooves (4) are formed in the outer side of the die sleeve (1), and vertical rods (7) are arranged at the middle positions of the empty grooves (4).
2. The cold heading die for the slotted cylinder head screw as claimed in claim 1, wherein: one side of the vertical rod (7) is provided with a first inclined rod (5), and the other side of the first inclined rod (5) is provided with a second inclined rod (6).
3. The cold heading die for the slotted cylinder head screw as claimed in claim 2, wherein: the utility model discloses a three-dimensional oblique pole, including down tube, montant (5), montant (7), and down tube (6) are the stainless steel construction, all be thirty degrees angles between down tube (5) and montant (7) and between down tube (6) and montant (7).
4. The cold heading die for the slotted cylinder head screw as claimed in claim 1, wherein: the die sleeve is characterized in that a seat (8) is arranged at the lower end of the interior of the die sleeve (1), a lap joint part (11) corresponding to the seat (8) is arranged at the lower end of the die core (2), and the die core (2) and the seat (8) are fixedly connected through an inner hexagonal bolt (10).
5. The cold heading die for the slotted cylinder head screw as claimed in claim 4, wherein: the mounting seat (8) is provided with a mounting groove (9) at a position corresponding to the inner hexagon bolt (10), and the mounting groove (9) is of a circular structure.
6. The cold heading die for the slotted cylinder head screw as claimed in claim 4, wherein: the die is characterized in that a threaded hole is formed in the position, corresponding to the inner hexagon bolt (10), of the lower end of the die core (2), and the die sleeve (1) and the base (8) are of a welded integral structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121696255.8U CN215657626U (en) | 2021-07-24 | 2021-07-24 | Straight line groove cylinder head screw cold-heading mould |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121696255.8U CN215657626U (en) | 2021-07-24 | 2021-07-24 | Straight line groove cylinder head screw cold-heading mould |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215657626U true CN215657626U (en) | 2022-01-28 |
Family
ID=79981389
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121696255.8U Expired - Fee Related CN215657626U (en) | 2021-07-24 | 2021-07-24 | Straight line groove cylinder head screw cold-heading mould |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215657626U (en) |
-
2021
- 2021-07-24 CN CN202121696255.8U patent/CN215657626U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220128 |