CN113319240A - Novel screw cold-heading forming device - Google Patents
Novel screw cold-heading forming device Download PDFInfo
- Publication number
- CN113319240A CN113319240A CN202110732584.1A CN202110732584A CN113319240A CN 113319240 A CN113319240 A CN 113319240A CN 202110732584 A CN202110732584 A CN 202110732584A CN 113319240 A CN113319240 A CN 113319240A
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- Prior art keywords
- die holder
- upper die
- driving gear
- frame
- lower die
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- 230000005484 gravity Effects 0.000 claims abstract description 26
- 239000002184 metal Substances 0.000 claims description 19
- 230000005540 biological transmission Effects 0.000 claims description 10
- 238000003825 pressing Methods 0.000 claims description 10
- 230000000149 penetrating effect Effects 0.000 claims 2
- 238000005265 energy consumption Methods 0.000 abstract description 3
- 238000003754 machining Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21K—MAKING FORGED OR PRESSED METAL PRODUCTS, e.g. HORSE-SHOES, RIVETS, BOLTS OR WHEELS
- B21K1/00—Making machine elements
- B21K1/44—Making machine elements bolts, studs, or the like
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
- B21J9/00—Forging presses
- B21J9/10—Drives for forging presses
- B21J9/18—Drives for forging presses operated by making use of gearing mechanisms, e.g. levers, spindles, crankshafts, eccentrics, toggle-levers, rack bars
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Forging (AREA)
Abstract
The invention discloses a novel screw cold heading forming device, which comprises a frame, wherein a lower die is arranged on the frame through a lower die holder, the upper part of the lower die is arranged on an upper die through an upper die holder, the upper die holder moves vertically, a gravity hammer is arranged above the upper die holder, the gravity hammer moves vertically, the gravity hammer is hinged with one end of a pry bar through a connecting rod, the pry bar is hinged with the frame, the other end of the pry bar is correspondingly provided with a rotary disc, the rotary disc is provided with a rotary wheel for pushing the pry bar, the rotary wheel is arranged in a way of deviating from the center of the rotary disc, the rotary disc rotates to enable the rotary wheel to push the pry bar to rotate from top to bottom so as to drive the gravity hammer to move upwards, after the rotary wheel is separated from the pry bar, the pry bar loses acting force, the gravity hammer falls rapidly by means of gravity to smash the upper die holder so as to enable the upper die holder to move downwards, the upper die and the lower die are folded for cold heading forming, the structure is simple, and the gravity hammer is pried by utilizing the lever principle to carry out cold heading by the self gravity of the gravity hammer, the energy consumption is saved, and the screw processing device is suitable for processing screws in small batches.
Description
Technical Field
The invention relates to the technical field of screw machining, in particular to a novel screw cold heading forming device.
Background
The cold heading process is one of the pressure machining processes of less or no cutting metal, and is a machining process for forming required parts or blanks by utilizing the plastic deformation of metal under the action of external force and redistributing and transferring the volume of the metal by means of a die.
In the prior art, the production and processing of screws are usually formed through a cold heading process, most of existing cold heading equipment is automatic equipment, energy consumption is high, and when samples of the screws are processed, due to the fact that the quantity is small, cost can be increased when the screws are subjected to cold heading through the automatic cold heading equipment.
Disclosure of Invention
In order to overcome the defects in the prior art, the invention provides a novel screw cold heading forming device.
In order to achieve the technical effects, the invention adopts the following scheme:
a novel screw cold heading forming device comprises a rack, wherein a lower die holder is arranged on the rack, a lower die is arranged on the upper surface of the lower die holder, an upper die holder is arranged above the lower die, an upper die corresponding to the lower die holder is arranged on the lower surface of the upper die holder, guide holes are fixedly formed in the two ends of the upper die holder, guide rods are arranged in the guide holes in a matched manner, the guide rods are vertically arranged, the lower ends of the guide rods are fixedly connected with the rack, a strong spring for supporting the upper die holder is sleeved on the guide rods, the upper end of the strong spring is abutted against the upper die holder, the lower end of the strong spring is abutted against the rack, a gravity hammer is arranged above the upper die holder and fixedly connected with a lower pressing plate, guide sleeves are fixedly arranged at the two ends of the lower pressing plate, guide columns are arranged in the guide sleeves in a matched manner, the guide columns are fixedly connected with the rack, and a connecting rod which is vertically arranged is fixedly arranged on the lower pressing plate, articulated being equipped with the pinch bar in the frame, the articulated department of pinch bar separates the pinch bar for the drive division and the portion of prying that are located the articulated department both sides of pinch bar respectively, the length of the portion of prying is good at the length of drive division, the one end that the drive division was kept away from to the portion of prying is articulated with the connecting rod, one side of the portion of prying has the spout that length is on a parallel with the pinch bar length, it is equipped with the slider to slide in the spout, the connecting rod is articulated with the slider through the pivot, still rotate in the frame and be equipped with the carousel, the carousel passes through the rotating electrical machines drive and rotates, the carousel corresponds with the drive division, it is equipped with the runner to rotate on the carousel, the skew centre of a circle setting of carousel of runner, the runner matches with the drive division.
According to the preferable technical scheme, the rack is provided with a metal block, the metal block is in a circular truncated cone shape, the upper end of the metal block is fixedly abutted against the lower surface of the lower die base, and the lower end of the metal block is supported on the ground.
The technical scheme is that a first driving gear is fixedly arranged on one side of the rotary table and is coaxially arranged with the rotary table, a second driving gear is installed on an output shaft of the rotary motor, the size of the second driving gear is smaller than that of the first driving gear, and the first driving gear is connected with the second driving gear.
According to the preferable technical scheme, the second driving gear is connected with the first driving gear through a plurality of transmission gears which are sequentially meshed and connected, the transmission gears are all rotatably connected with the rack, and the sizes of the transmission gears are sequentially increased from the second driving gear to the first driving gear.
The preferable technical scheme, the lower mould can be dismantled with the die holder and be connected, the lower fixed surface of lower mould is equipped with down the mounting panel, a plurality of first mounting holes have on the mounting panel down, a plurality of first screw holes that correspond with first mounting hole have on the die holder, the mounting panel locks on the die holder through the first bolt that passes first mounting hole down, go up the mould and can dismantle with the upper die base and be connected, the last fixed surface of going up the mould is equipped with the mounting panel, a plurality of second mounting holes have on the last mounting panel, a plurality of second screw holes that correspond with the second mounting hole have on the upper die base, go up the mounting panel through the second bolt locking that passes the second mounting hole on the upper die base.
According to a preferable technical scheme, the end part of one end, away from the prying part, of the driving part is arranged in an arc shape.
Compared with the prior art, beneficial effect does:
the structure of the invention is simple, the use is convenient, the rotating disc rotates to enable the rotating wheel to push the driving part of the pry bar from top to bottom, the pry part of the pry bar rotates upwards to drive the gravity hammer to move upwards, after the rotating wheel is separated from the driving part, the pry bar loses acting force, the gravity hammer falls down quickly by means of gravity to pound on the upper die base to enable the upper die base to move downwards, the upper die and the lower die are closed to carry out cold heading forming, the structure is simple, in addition, the gravity hammer is pried by utilizing the lever principle and the self gravity of the gravity hammer is utilized to carry out cold heading, the energy consumption is saved, and the invention is suitable for small-batch screw processing.
Drawings
FIG. 1 is a schematic structural view of the present invention;
fig. 2 is a partial structural schematic diagram of the present invention.
Reference numerals: 1. a frame; 2. a lower die holder; 3. a lower mounting plate; 4. a lower die; 5. an upper die; 6. an upper mounting plate; 7. an upper die holder; 8. a guide bar; 9. a strong spring; 10. a gravity hammer; 11. a lower pressing plate; 12. A guide sleeve; 13. a guide post; 14. a pry bar; 14a, a prying portion; 14b, a driving part; 15. a connecting rod; 16. A chute; 17. a slider; 18. a turntable; 19. a rotating wheel; 20. a metal block; 21. a first drive gear; 22. A second drive gear; 23. a transmission gear.
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.
A novel screw cold heading forming device comprises a frame 1, wherein a lower die holder 2 is arranged on the frame 1, a lower die 4 is arranged on the upper surface of the lower die holder 2, an upper die holder 7 is arranged above the lower die 4, an upper die 5 corresponding to the lower die holder 2 is arranged on the lower surface of the upper die holder 7, the upper die 5 and the lower die 4 are matched with screws for screw forming, guide holes are formed in both ends of the upper die holder 7, guide rods 8 are arranged in the guide holes in a matched manner, the guide rods 8 are vertically arranged, the upper die holder 7 moves in the vertical direction along the guide rods 8, the lower end of each guide rod 8 is fixedly connected with the frame 1, a strong spring 9 for supporting the upper die holder 7 is sleeved on each guide rod 8, the upper end of each strong spring 9 is abutted against the upper die holder 7, the lower end of each strong spring 9 is abutted against the frame 1, the upper die holder 7 is supported by the strong spring 9, an upper die base 7 and an upper die 5 are positioned above a lower die 4, a certain space is reserved between the upper die base 7 and the upper die 5, screws can be taken from and placed in the lower die 4, a gravity hammer 10 is arranged above the upper die base 7, the gravity hammer 10 is fixedly connected with a lower pressing plate 11, guide sleeves 12 are fixedly arranged at two ends of the lower pressing plate 11, guide columns 13 are arranged in the guide sleeves 12 in a matched mode, the lower pressing plate 11 moves in the vertical direction through the guide sleeves 12 and the guide columns 13, the guide columns 13 are fixedly connected with a rack 1, a vertically arranged connecting rod 15 is fixedly arranged on the lower pressing plate 11, a pry bar 14 is hinged to the rack 1, the pry bar 14 is divided into a driving part 14b and a prying part 14a by the hinged part of the pry bar 14, the driving part 14b and the prying part 14a are respectively positioned at two sides of the hinged part of the pry bar 14 and the rack 1, namely, the hinged part of the pry bar 14 is divided into a prying part 14a driving part 14a and a driving part 14b, the length of sled portion 14a is longer than the length of drive division 14b, utilizes lever principle, the one end that drive division 14b was kept away from to sled portion 14a is articulated with connecting rod 15, one side of sled portion 14a has length and is on a parallel with spout 16 of sled bar 14 length, it is equipped with slider 17 to slide in the spout 16, connecting rod 15 is articulated with slider 17 through the pivot, still rotate on the frame 1 and be equipped with carousel 18, carousel 18 rotates through the rotating electrical machines drive, carousel 18 corresponds with drive division 14b, it is equipped with runner 19 to rotate on carousel 18, the setting of the centre of a circle of runner 19 skew carousel 18, carousel 18 rotates, and drive runner 19 does the circumference on the vertical plane and orbits, runner 19 and drive division 14b phase-match, and carousel 18 rotates and makes runner 19 promote drive division 14b of sled bar 14 from top to bottom, makes the sled portion 14a of sled bar 14 upwards rotate, therefore, the gravity hammer 10 is driven to move upwards, after the rotating wheel 19 is separated from the driving part 14b, the pry bar 14 loses acting force, the gravity hammer 10 falls down quickly by means of gravity to smash the upper die base 7 to enable the upper die base 7 to move downwards, the upper die 5 and the lower die 4 are folded to carry out cold heading forming, when the rotating wheel 19 pushes the pry bar 14 to rotate again, the gravity hammer 10 is pulled to move upwards to be separated from the upper die base 7, the upper die base 7 is reset by means of the elastic force of the strong spring 9, and the strong spring 9 can play a buffering role in the process that the upper die base 7 is smashed to move downwards.
According to the preferable technical scheme, the frame 1 is provided with the metal block 20, the metal block 20 is solid, the metal block 20 is in the shape of a circular truncated cone, the circular truncated cone has stronger stress strength, the upper end of the metal block 20 is fixedly abutted to the lower surface of the lower die holder 2, the lower end of the metal block 20 is supported on the ground, when the gravity hammer 10 drops the cold heading, the lower die holder 2 is supported through the metal block 20, and most of the force of the gravity hammer 10 is transmitted to the ground through the metal block 20.
According to the preferable technical scheme, a first driving gear 21 which is coaxial with the rotary disc 18 is fixedly arranged on one side of the rotary disc 18, a second driving gear 22 is installed on an output shaft of the rotating motor, the size of the second driving gear 22 is smaller than that of the first driving gear 21, the first driving gear 21 is connected with the second driving gear 22, the torque is increased through the mode, and the rotary disc 18 has strong force to push the pry bar 14 through the rotary wheel 19.
According to the preferable technical scheme, the second driving gear 22 is connected with the first driving gear 21 through a plurality of transmission gears 23 which are sequentially meshed and connected, the plurality of transmission gears 23 are all rotatably connected with the rack 1, the sizes of the plurality of transmission gears 23 are sequentially increased from the second driving gear 22 to the first driving gear 21, the torque is further increased, and the turntable 18 obtains larger force to push the pry bar 14.
Preferred technical scheme, lower mould 4 can be dismantled with die holder 2 and be connected, can change last mould 5 and lower mould 4, the lower fixed surface of lower mould 4 is equipped with down mounting panel 3, a plurality of first mounting holes have on the mounting panel 3 down, a plurality of first screw holes that correspond with first mounting hole have on the die holder 2, mounting panel 3 locks on die holder 2 through the first bolt that passes first mounting hole down, it can dismantle with upper die base 7 and be connected to go up mould 5, the last fixed surface of going up mould 5 is equipped with mounting panel 6, a plurality of second mounting holes have on the mounting panel 6, a plurality of second screw holes that correspond with the second mounting hole have on upper die base 7, go up mounting panel 6 and lock on upper die base 7 through the second bolt that passes the second mounting hole.
Preferably, an end of the driving portion 14b, which is away from one end of the prying portion 14a, is provided in an arc shape.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "top", "bottom", "inner", "outer", and the like, refer to orientations or positional relationships that are based on the orientations or positional relationships shown in the drawings, or the orientations or positional relationships that the products of the present invention are conventionally placed in use, or the orientations or positional relationships that are conventionally understood by those skilled in the art, and are used for convenience in describing and simplifying the description, but do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, should not be construed as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
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.
Claims (6)
1. A novel screw cold heading forming device is characterized by comprising a frame, wherein a lower die holder is arranged on the frame, a lower die is arranged on the upper surface of the lower die holder, an upper die holder is arranged above the lower die, an upper die corresponding to the lower die holder is arranged on the lower surface of the upper die holder, guide holes are fixedly formed in the two ends of the upper die holder, guide rods are arranged in the guide holes in a matched manner, the guide rods are vertically arranged, the lower ends of the guide rods are fixedly connected with the frame, a strong spring for supporting the upper die holder is sleeved on each guide rod, the upper end of each strong spring is abutted against the upper die holder, the lower end of each strong spring is abutted against the frame, a gravity hammer is arranged above the upper die holder and fixedly connected with a lower pressing plate, guide sleeves are fixedly arranged at the two ends of the lower pressing plate, guide columns are arranged in the guide sleeves in a matched manner, and are fixedly connected with the frame, the connecting rod of vertical setting is fixed to be equipped with on the holding down plate, the articulated pinch bar that is equipped with in the frame, the articulated department of pinch bar separates the pinch bar for the drive division and the portion of prying that is located the articulated department both sides of pinch bar respectively, the length of prying the portion is good at the length of drive division, the one end that the drive division was kept away from to the portion of prying is articulated with the connecting rod, one side of prying the portion has the spout that length is on a parallel with pinch bar length, it is equipped with the slider to slide in the spout, the connecting rod is articulated through pivot and slider, still rotate in the frame and be equipped with the carousel, the carousel passes through the rotating electrical machines drive and rotates, the carousel corresponds with the drive division, it is equipped with the runner to rotate on the carousel, the skew centre of a circle setting of carousel of runner, the runner matches with the drive division.
2. The novel screw cold heading forming device as claimed in claim 1, wherein a metal block is arranged on the machine frame, the metal block is in a shape of a circular truncated cone, the upper end of the metal block is fixedly abutted against the lower surface of the lower die holder, and the lower end of the metal block is supported on the ground.
3. A novel screw cold heading forming device as claimed in claim 1, wherein a first driving gear is fixed on one side of the rotary table and is coaxially arranged with the rotary table, a second driving gear is mounted on the output shaft of the rotary motor, the size of the second driving gear is smaller than that of the first driving gear, and the first driving gear is connected with the second driving gear.
4. The novel screw cold heading forming device as claimed in claim 3, wherein the second driving gear is connected with the first driving gear through a plurality of transmission gears which are meshed with each other in sequence, a plurality of the transmission gears are rotatably connected with the frame, and the size of the plurality of the transmission gears is increased from the second driving gear to the first driving gear in sequence.
5. The novel screw cold heading forming device of claim 1, wherein the lower die is detachably connected with the lower die holder, the lower surface of the lower die is fixedly provided with a lower mounting plate, the lower mounting plate is provided with a plurality of first mounting holes, the lower die holder is provided with a plurality of first threaded holes corresponding to the first mounting holes, the lower mounting plate is locked on the lower die holder through first bolts penetrating through the first mounting holes, the upper die is detachably connected with the upper die holder, the upper surface of the upper die is fixedly provided with an upper mounting plate, the upper mounting plate is provided with a plurality of second mounting holes, the upper die holder is provided with a plurality of second threaded holes corresponding to the second mounting holes, and the upper mounting plate is locked on the upper die holder through second bolts penetrating through the second mounting holes.
6. The novel screw cold heading forming device as claimed in claim 1, wherein the end of the driving portion away from the prying portion is arc-shaped.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110732584.1A CN113319240A (en) | 2021-06-30 | 2021-06-30 | Novel screw cold-heading forming device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110732584.1A CN113319240A (en) | 2021-06-30 | 2021-06-30 | Novel screw cold-heading forming device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113319240A true CN113319240A (en) | 2021-08-31 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110732584.1A Pending CN113319240A (en) | 2021-06-30 | 2021-06-30 | Novel screw cold-heading forming device |
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| Country | Link |
|---|---|
| CN (1) | CN113319240A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114769490A (en) * | 2022-06-23 | 2022-07-22 | 常州市武进大众标准件有限公司 | Screw cold heading forming device and using method thereof |
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| CN202507558U (en) * | 2012-04-19 | 2012-10-31 | 周铭根 | Labor-saving crank punching machine |
| CN208118473U (en) * | 2018-04-09 | 2018-11-20 | 洛阳东旭机电科技有限公司 | A kind of steady safe high velocity ram machine |
| CN208303600U (en) * | 2018-04-23 | 2019-01-01 | 徐州百惠模具制造有限公司 | A kind of small-sized laborsaving stamping die |
| CN208575150U (en) * | 2018-07-20 | 2019-03-05 | 深圳市铭瑞通精密五金有限公司 | A kind of stamping die with damping |
| CN208662409U (en) * | 2018-07-23 | 2019-03-29 | 江阴市澄东锻造有限公司 | A kind of forging press round steel forging half die |
| CN109719200A (en) * | 2019-02-20 | 2019-05-07 | 滁州市永达机械科技有限公司 | It is a kind of with reciprocator and the door of refrigerator sheet metal mould of mould head that is conveniently replaceable |
| CN212884263U (en) * | 2020-08-05 | 2021-04-06 | 深圳市言果科技有限公司 | Small-size press is used in metalworking |
| CN215279746U (en) * | 2021-06-30 | 2021-12-24 | 桐乡展裕电子科技有限公司 | Novel screw cold-heading forming device |
-
2021
- 2021-06-30 CN CN202110732584.1A patent/CN113319240A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202507558U (en) * | 2012-04-19 | 2012-10-31 | 周铭根 | Labor-saving crank punching machine |
| CN208118473U (en) * | 2018-04-09 | 2018-11-20 | 洛阳东旭机电科技有限公司 | A kind of steady safe high velocity ram machine |
| CN208303600U (en) * | 2018-04-23 | 2019-01-01 | 徐州百惠模具制造有限公司 | A kind of small-sized laborsaving stamping die |
| CN208575150U (en) * | 2018-07-20 | 2019-03-05 | 深圳市铭瑞通精密五金有限公司 | A kind of stamping die with damping |
| CN208662409U (en) * | 2018-07-23 | 2019-03-29 | 江阴市澄东锻造有限公司 | A kind of forging press round steel forging half die |
| CN109719200A (en) * | 2019-02-20 | 2019-05-07 | 滁州市永达机械科技有限公司 | It is a kind of with reciprocator and the door of refrigerator sheet metal mould of mould head that is conveniently replaceable |
| CN212884263U (en) * | 2020-08-05 | 2021-04-06 | 深圳市言果科技有限公司 | Small-size press is used in metalworking |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114769490A (en) * | 2022-06-23 | 2022-07-22 | 常州市武进大众标准件有限公司 | Screw cold heading forming device and using method thereof |
| CN114769490B (en) * | 2022-06-23 | 2022-09-02 | 常州市武进大众标准件有限公司 | Screw cold heading forming device and using method thereof |
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