CN114888224B - Cold header for steel wire hoop machine-shaping - Google Patents
Cold header for steel wire hoop machine-shaping Download PDFInfo
- Publication number
- CN114888224B CN114888224B CN202210459714.3A CN202210459714A CN114888224B CN 114888224 B CN114888224 B CN 114888224B CN 202210459714 A CN202210459714 A CN 202210459714A CN 114888224 B CN114888224 B CN 114888224B
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- ring
- clamp
- solid fixed
- fixed ring
- work piece
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- 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
- B21J9/02—Special design or construction
- B21J9/06—Swaging presses; Upsetting presses
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
- B21J13/00—Details of machines for forging, pressing, or hammering
- B21J13/08—Accessories for handling work or tools
- B21J13/14—Ejecting devices
-
- 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
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- 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
- B21K27/00—Handling devices, e.g. for feeding, aligning, discharging, Cutting-off means; Arrangement thereof
- B21K27/02—Feeding devices for rods, wire, or strips
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- 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
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
Abstract
The invention relates to the technical field of bolt production equipment, and discloses a cold header for processing and forming a steel wire hoop, which comprises a punching die and a clamp, wherein the bottom of the clamp is fixedly connected with a clamp head with an arc-shaped bottom, one end of the inner wall of the clamp head is connected with a fixed ring capable of axially moving, and the other end of the inner wall of the clamp head is movably connected with a moving ring capable of axially moving. This cold heading machine is used in steel wire hoop machine-shaping, utilize the adjusting lever to adjust the holding ring, make the position of adjusting lever keep unanimous, on this basis, through the clamp of holding ring, the axis that makes the work piece is the same with the axis in hole all the time, reduce the fixed requirement to the work piece, reduce solid fixed ring, the frictional force between holding ring and the work piece, reduce the wearing and tearing of work piece to solid fixed ring and holding ring, improve the life of clamp, secondly, solid fixed ring removes along with the work piece removes when the work piece is pushed in, reduce the relative movement between solid fixed ring and the work piece, reduce wearing and tearing.
Description
Technical Field
The invention relates to the technical field of bolt production equipment, in particular to a cold header for processing and forming a steel wire hoop.
Background
The steel wire hoop is a common fixing piece in daily life, and when the steel wire hoop is used, a bolt is screwed to tighten a steel wire, and a target workpiece is rolled tightly, wherein the bolt is usually produced in batches through a cold header.
When the bolt is formed, the multiple stamping dies are required to be subjected to progressive stamping and upsetting forming, after each stamping and upsetting, the material is moved to the front of the next stamping die hole through the clamp, the ejector rod ejects the material column into the stamping die, in the process, when the material column is ejected and ejected into the stamping die, the material column can slide with the clamp, large pressure exists between the clamp and the material column, large friction loss can be generated during sliding, and the service life of the clamp is shortened. In order to prolong the service life of the clamp, the opening time of the clamp and the material receiving time need to be accurately controlled, and the adjusting difficulty of the cold header is improved.
Secondly, the clamp moves back and forth at two working positions, after the workpiece passes through the cold heading for one time, the diameter of the workpiece and the clamping position of the clamp can be changed, so that the error between the workpiece and the hole of the punching die is increased, the service life of the punching die is shortened, and secondly, when the clamp is obviously worn, the error is also increased.
Disclosure of Invention
Aiming at the defects of the background technology, the invention provides the technical scheme of the cold header for processing and forming the steel wire hoop, the position of the workpiece is adjusted by utilizing the adjusting rod, the pressure requirement when the workpiece is fixed is reduced, the abrasion is reduced, the service life is prolonged, the matching precision is better, the abrasion to a punching die is further reduced, and the problems provided by the background technology are solved.
The invention provides the following technical scheme: the utility model provides a cold heading machine is used in steel wire hoop machine-shaping, includes die and clamp, the bottom fixedly connected with bottom of clamp is circular-arc binding clip, but the one end of the inner wall of binding clip is connected with axial displacement's solid fixed ring, but the other end swing joint of binding clip inner wall has axial displacement's shifting ring, the shifting ring is connected with the holding ring through elastic component, holding ring fixedly connected with adjusting lever, the die is equipped with the guide way that two sets of and adjusting lever correspond, and the axle center in die hole is crossed to the line at two sets of guide way midpoints, the outside of guide way is equipped with the wedge that corresponds with the adjusting lever, the adjusting lever slides along the wedge, makes the holding ring press from both sides tight work piece.
Preferably, the middle part of the fixing ring is movably connected with the binding clip through a limiting column, and rollers are arranged between the two ends of the fixing ring and the binding clip.
Preferably, the movable ring is movably connected with the binding clip through a mandril, and the fixed ring and the movable ring are both connected with the mandril.
Preferably, the outer wall of ejector pin is equipped with reset spring, reset spring one end and solid fixed ring fixed connection.
Preferably, solid fixed ring passes through elasticity buckle and reset spring fixed connection, and when pressure was greater than the setting value, the elasticity buckle untied with reset spring's being connected, be equipped with the hole that supplies reset spring to pass in the solid fixed ring.
Preferably, when the moving ring is attached to the die, a gap is left between the moving ring and the guide groove.
Preferably, the elastic part comprises a movable cavity, elastic cotton is filled in the movable cavity, and elastic pull ropes are arranged between the two ends of the positioning ring and the moving ring.
Preferably, when the elasticity of the elastic cotton and the tension of the elastic pull rope are balanced, the inner wall of the positioning ring protrudes out of the inner wall of the fixing ring.
The invention has the following beneficial effects:
1. this cold heading machine for steel wire hoop machine-shaping adjusts the position of work piece before dashing and upsetting, consequently also can guarantee when the work piece rocks that the work piece aims at the hole of die, reduce the fixed requirement to the work piece, reduce solid fixed ring, the frictional force between holding ring and the work piece, reduce the work piece to solid fixed ring and the wearing and tearing of holding ring, improve the life of clamp, on the other hand, solid fixed ring removes along with the work piece removes when the work piece is pushed in, reduce the relative movement between solid fixed ring and the work piece, reduce wearing and tearing, further improve life.
2. According to the cold header for processing and forming the steel wire hoop, the positioning ring is adjusted by the adjusting rod, so that the position of the adjusting rod is kept consistent, on the basis, the axis of a workpiece is always the same as the axis of a hole through clamping of the positioning ring, the abrasion between the workpiece and the hole is reduced, and the service life of a stamping die is further prolonged.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a front view structural diagram of the binding clip of the present invention;
FIG. 3 is a schematic view of the structure of the back view of the binding clip of the present invention;
FIG. 4 is a schematic view of the structure of the die of the present invention;
FIG. 5 is a side view of the binding clip of the present invention;
fig. 6 is a schematic structural view of the elastic member of the present invention.
In the figure: 1. punching a die; 2. clamping; 3. a binding clip; 4. a fixing ring; 5. a moving ring; 6. an elastic member; 61. a movable cavity; 62. elastic cotton; 63. an elastic pull rope; 7. a positioning ring; 8. an adjusting lever; 9. a guide groove; 10. a wedge block; 11. a top rod; 12. a return spring.
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.
Referring to fig. 1, a cold header for processing and forming a steel wire hoop comprises a die 1 and a clamp 2, the clamp 2 is in transmission connection with a clamp stand, the clamp stand controls the clamp 2 to open, close and move transversely, the bottom of the clamp 2 is fixedly connected with a clamp head 3 with a circular arc bottom, referring to fig. 2, one end of the inner wall of the clamp head 3 is connected with a fixing ring 4 capable of moving axially, the other end of the inner wall of the clamp head 3 is movably connected with a moving ring 5 capable of moving axially, the moving ring 5 is connected with a positioning ring 7 through an elastic piece 6, the elastic force of the elastic piece 6 keeps the position of the positioning ring 7, the positioning ring 7 is ensured not to fall off, and meanwhile, the rotation adjustment of the positioning ring 7 can also be ensured, referring to fig. 3 and 4, an adjusting rod 8 is fixedly connected to a positioning ring 7, a die 1 is provided with two sets of guide grooves 9 corresponding to the adjusting rod 8, a connecting line between midpoints of the two sets of guide grooves 9 passes through an axis of a hole of the die 1, when a moving ring 5 and an elastic member 6 move towards the die 1, the adjusting rod 8 slides along the guide grooves 9, the position of the positioning ring 7 is adjusted, the connecting line passes through the axis of the hole, so that an axis of a clamped workpiece coincides with an axis of the hole, a wedge block 10 corresponding to the adjusting rod 8 is arranged on the outer side of the guide grooves 9, an inclined surface of the wedge block 10 faces towards the hole, and the adjusting rod 8 slides along the wedge block 10, so that the positioning ring 7 clamps the workpiece.
Wherein, the middle part of solid fixed ring 4 is through spacing post and binding clip 3 swing joint, guarantees solid fixed ring 4 for 3 axial displacement of binding clip, the radial vibration of the solid fixed ring 4 of restriction simultaneously, and the both ends of solid fixed ring 4 are equipped with the gyro wheel, and the gyro wheel restriction is fixed the pressure between solid fixed ring 4 and the binding clip 3, reduces solid fixed ring 4 for the wearing and tearing of binding clip 3.
Referring to fig. 5, the movable ring 5 is movably connected to the binding clip 3 through the top rod 11, the fixing ring 4 and the movable ring 5 are both fixedly connected to the top rod 11, the fixing ring 4 clamps the workpiece, the friction force between the workpiece and the fixing ring 4 drives the fixing ring 4 to move, and then the movable ring 5 is driven to move, so as to drive the movable ring 5 and the positioning ring 7 to move, the binding clip 3 is provided with a connecting groove, and the fixing ring 4 is fixedly connected to the top rod 11 through a connecting piece.
Wherein, the outer wall of ejector pin 11 is equipped with reset spring 12, and 12 one end of reset spring and solid fixed ring 4 fixed connection, the other end and binding clip 3 fixed connection, when 2 unclamp the back in the clamp, solid fixed ring 4 and shift ring 5 move the resilience under the effect of elasticity, make adjusting lever 8 follow shift ring 5 in the roll-off.
Wherein, solid fixed ring 4 is through elasticity buckle and reset spring 12 fixed connection, unties when pressure is greater than the setting value with reset spring 12's connection, is equipped with the hole that supplies reset spring 12 to pass in solid fixed ring 4, and after the work piece got into die 1, solid fixed ring 4 can remove along with the work piece, reduces solid fixed ring 4 and the relative displacement of work piece, when reset spring 12 resets, resets with ejector pin 11 relative movement, the buckle chucking.
When the moving ring 5 is tightly attached to the die 1, a gap is left between the moving ring 5 and the guide groove 9, so that the opening of the clamp head 3 is facilitated.
Referring to fig. 6, the elastic member 6 includes a movable cavity 61 for facilitating the swinging of the adjusting rod 8, the movable cavity 61 is filled with elastic cotton 62, elastic pull ropes 63 are respectively disposed between the two ends of the positioning ring 7 and the moving ring 5, the elastic pull ropes 63 on the two sides are symmetrical, and the adjusting rod 8 is reset to the original position by the pulling force, so as to ensure that the adjusting rod 8 can slide into the accommodating cavity of the binding clip 3.
When the elasticity of the elastic cotton 62 and the tension of the elastic pull rope 63 are balanced, the inner wall of the positioning ring 7 is more protruded than the inner wall of the fixing ring 4, and when the clamping is performed, the positioning ring 7 has elasticity to play a role in assisting in clamping.
The working principle and the working process of the invention are as follows:
after each punching and upsetting, when the punch pushes out the workpiece, the clamp head 3 clamps the workpiece, after the workpiece is completely pushed out, the end part of the workpiece completely enters the positioning ring 7, the clamp 2 transversely moves to the next station to align the workpiece with the hole of the next punch die 1, the punch punches the workpiece, the friction force drives the fixing ring 4 and the moving ring 5 to synchronously slide, the adjusting rod 8 slides into the guide groove 9 to adjust the positions of the positioning rings 7, so that the two positioning rings 7 are horizontal, meanwhile, the adjusting rod 8 abuts against the wedge block 10, so that the positioning rings 7 clamp the workpiece, the correction of the position of the workpiece is completed, and the workpiece is aligned with the hole and smoothly slides into the hole.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (3)
1. The utility model provides a cold heading machine is used in steel wire hoop machine-shaping, includes die (1) and clamp (2), the bottom fixedly connected with bottom of clamp (2) is circular-arc binding clip (3), its characterized in that: but the one end of the inner wall of binding clip (3) is connected with axially movable's solid fixed ring (4), but the other end swing joint of binding clip (3) inner wall has axially movable's shift ring (5), shift ring (5) are connected with holding ring (7) through elastic component (6), holding ring (7) fixedly connected with adjusting lever (8), die (1) is equipped with guide way (9) that two sets of correspond with adjusting lever (8), and the line of two sets of guide way (9) mid point crosses the axle center of die (1) hole, the outside of guide way (9) is equipped with wedge (10) that correspond with adjusting lever (8), adjusting lever (8) slide along wedge (10), make holding ring (7) press from both sides tight work piece, the middle part of solid fixed ring (4) is through spacing post and binding clip (3) swing joint, be equipped with the gyro wheel between the both ends of solid fixed ring (4) and binding clip (3), shift ring (5) are through ejector pin (11) and solid fixed ring (3) swing joint, the equal with fixed ring (5) and fixed ring (11) be equipped with reset spring (12), return spring (12) through ejector pin (11) reset spring (12), when pressure is greater than the setting value, the elasticity buckle unties being connected with reset spring (12), be equipped with the hole that supplies reset spring (12) to pass in solid fixed ring (4), elasticity spare (6) are including activity chamber (61), activity chamber (61) intussuseption is filled with elasticity cotton (62), all be equipped with elasticity stay cord (63) between the both ends of holding ring (7) and removal ring (5).
2. The cold header for processing and forming the steel wire hoop according to claim 1, wherein: when the moving ring (5) is tightly attached to the die (1), a gap is reserved between the moving ring (5) and the guide groove (9).
3. The cold header for processing and forming the steel wire hoop according to claim 1, wherein: when the elasticity of the elastic cotton (62) and the tension of the elastic pull rope (63) are balanced, the inner wall of the positioning ring (7) is more protruded than the inner wall of the fixing ring (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210459714.3A CN114888224B (en) | 2022-04-28 | 2022-04-28 | Cold header for steel wire hoop machine-shaping |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210459714.3A CN114888224B (en) | 2022-04-28 | 2022-04-28 | Cold header for steel wire hoop machine-shaping |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114888224A CN114888224A (en) | 2022-08-12 |
| CN114888224B true CN114888224B (en) | 2022-12-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210459714.3A Active CN114888224B (en) | 2022-04-28 | 2022-04-28 | Cold header for steel wire hoop machine-shaping |
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| Publication number | Publication date |
|---|---|
| CN114888224A (en) | 2022-08-12 |
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