CN219025802U - Thread rolling machine for cold extrusion production of large-head bolts - Google Patents
Thread rolling machine for cold extrusion production of large-head bolts Download PDFInfo
- Publication number
- CN219025802U CN219025802U CN202222999445.8U CN202222999445U CN219025802U CN 219025802 U CN219025802 U CN 219025802U CN 202222999445 U CN202222999445 U CN 202222999445U CN 219025802 U CN219025802 U CN 219025802U
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- Prior art keywords
- thread rolling
- base
- cold extrusion
- motor
- bolt
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- 238000005096 rolling process Methods 0.000 title claims abstract description 83
- 238000000641 cold extrusion Methods 0.000 title claims abstract description 15
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 14
- 239000011347 resin Substances 0.000 claims description 7
- 229920005989 resin Polymers 0.000 claims description 7
- 230000000712 assembly Effects 0.000 claims description 6
- 238000000429 assembly Methods 0.000 claims description 6
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 5
- 229910002804 graphite Inorganic materials 0.000 claims description 5
- 239000010439 graphite Substances 0.000 claims description 5
- 230000001050 lubricating effect Effects 0.000 claims description 3
- 230000002093 peripheral effect Effects 0.000 description 4
- 238000003754 machining Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 238000011282 treatment Methods 0.000 description 1
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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
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Abstract
The utility model discloses a thread rolling machine for cold extrusion production of large-head bolts, and belongs to the technical field of thread rolling equipment. The utility model provides a big head bolt thread rolling machine for cold extrusion production, includes the base, be equipped with the thread rolling mechanism that carries out the thread rolling to the bolt on the base, be located on the base the below of thread rolling mechanism is equipped with the supporting mechanism who supports the bolt. The utility model can reduce the external friction of the bolt during thread rolling, realize the stable support and accurate positioning of the bolt on the thread rolling machine, and ensure the thread rolling precision of the bolt.
Description
Technical Field
The utility model belongs to the technical field of thread rolling equipment, and particularly relates to a thread rolling machine for cold extrusion production of large-head bolts.
Background
The thread rolling machine is a multifunctional cold extrusion forming machine tool, and can be used for carrying out thread, straight line, twill rolling and other treatments on a workpiece in a cold state within the rolling force range. When the existing thread rolling machine rolls external threads, sliding friction is generated between a workpiece and a fixed supporting block, burrs are generated on tooth tops of the threads, the quality of the threads is affected, the supporting block is easy to wear, and the service life is not long.
The utility model discloses a bolt thread rolling mechanism, which comprises two rolling wheels, and further comprises a supporting component arranged between the two rolling wheels and positioned below the two rolling wheels, wherein the supporting component comprises a mounting block, a sliding groove, a supporting block and a rotating roller, the sliding groove is arranged on the mounting block and axially extends along the rolling wheels, the supporting block is arranged in the sliding groove, the rotating roller is rotationally connected onto the supporting block, the axis of the rotating roller is parallel to the axis of the rolling wheels, and friction between a workpiece and the supporting component is converted into rolling friction through the arrangement, so that the influence on the quality of the workpiece is reduced.
The above-mentioned publication reduces the friction between the workpiece and the supporting block to a certain extent by converting sliding friction into rolling friction, but does not further treat the reduced friction, so that after the thread rolling machine runs for a long time, the distance between the supporting block affected by friction and the rolling wheel is increased, so that the workpiece to be processed deviates from the preset position, and further the thread processing precision of the surface of the workpiece is affected.
Disclosure of Invention
The utility model aims to solve the technical problem of providing a thread rolling machine for cold extrusion production of a large-head bolt, which can reduce external friction born by the bolt during thread rolling, realize stable support and accurate positioning of the bolt on the thread rolling machine and ensure thread rolling precision of the bolt.
The utility model relates to a thread rolling machine for cold extrusion production of a large-head bolt, which comprises a base, wherein a thread rolling mechanism for rolling a bolt is arranged on the base, and a supporting mechanism for supporting the bolt is arranged below the thread rolling mechanism on the base.
Preferably, the thread rolling mechanism comprises two thread rolling assemblies, the two thread rolling assemblies are radially arranged along the length direction of the base, one thread rolling assembly is fixedly connected with the base, and the other thread rolling assembly is slidably arranged on the base through a hydraulic cylinder.
Preferably, the thread rolling mechanism comprises a control end, one side of the control end, which faces the center line of the base, is provided with a placement seat, one side of the placement seat, which is far away from the control end, is provided with a rolling wheel, a motor plate is arranged on the base and positioned at the rear of the control end, one side of the motor plate, which is far away from the control end, is provided with a motor, the output end of the motor is provided with a motor shaft for driving the rolling wheel to run, and a supporting mechanism connected with the base is arranged below the motor shaft and positioned on the motor plate.
Preferably, the supporting mechanism is arranged on a telescopic cylinder on the base, a telescopic plate is connected in the telescopic cylinder in a sliding manner through a spring, first magnetic blocks are respectively arranged on two inner walls of the telescopic cylinder along the width direction, two second magnetic blocks are respectively arranged on two end arms of the telescopic plate along the width direction, the two second magnetic blocks are matched with the two first magnetic blocks in a one-to-one correspondence manner, and two rotating shafts for supporting bolts are connected between the telescopic plate and the motor plate in a rotating manner.
Preferably, the outer peripheral sides of the two rotating shafts are respectively provided with at least two oil grooves, and a plurality of oil grooves are arranged at equal intervals along the circumferential direction of the rotating shafts.
Preferably, each oil groove is detachably provided with a lubricating graphite column.
Preferably, a limiting plate is arranged above each rotating shaft on the motor plate, and the limiting plates are arc-shaped.
Preferably, the motor plate is provided with shaft holes for the rotating shaft to pass through, the number of the shaft holes is two, and an elastic pad is arranged on the outer peripheral side of the rotating shaft in each shaft hole.
Preferably, the elastic pad is a resin pad.
Compared with the prior art, the utility model has the advantages that:
1. through the setting of lubricated graphite post in the pivot, improved the lubricity between pivot and the bolt, further reduced the friction between pivot and the bolt, reduced the wearing and tearing of bolt or pivot, on the one hand guarantee the machining precision of bolt when the thread rolling, on the other hand extension supporting mechanism's life reduces the maintenance number of times of staff to supporting mechanism.
2. The expansion plate connected with one end of the rotating shaft is arranged in the expansion cylinder in a sliding manner through the spring, the expansion cylinder and the expansion plate are mutually adsorbed through the magnetic blocks, the other end of the rotating shaft is arranged in the motor plate through the resin pad, the spring and the resin pad can buffer vibration generated during operation of the thread rolling machine, stability of the rotating shaft is guaranteed, and stability of the bolt during processing on the thread rolling machine is further guaranteed.
3. Along with the long-time operation of thread rolling mechanism, after the pivot takes place wearing and tearing external diameter and diminishes, when the pivot disconnection and limiting plate's butt promptly, the spring can overcome the absorption of the magnetic path between telescopic cylinder and telescopic plate, promotes the outside removal of telescopic plate to the telescopic cylinder, controls the pivot promptly and is close to the roll wheel, makes the pivot and limiting plate butt again, guarantees that the bolt of being processed is in the preset position all the time, and then guarantees the thread rolling precision of bolt.
Drawings
Fig. 1 is a schematic diagram of the overall structure of the present utility model.
Fig. 2 is a right-hand cross-sectional view of fig. 1 in accordance with the present utility model.
Fig. 3 is a schematic view of the whole structure of the supporting mechanism of the present utility model.
Fig. 4 is a right-hand cross-sectional view of fig. 2 in accordance with the present utility model.
Fig. 5 is an enlarged partial schematic view of fig. 3 a according to the present utility model.
The reference numerals in the figures illustrate:
10. a base; 11. a control end; 12. a setting seat; 13. a rolling wheel; 14. a motor plate; 15. a motor; 16. a motor shaft; 17. a hydraulic cylinder; 18. a rotating shaft; 19. an oil groove; 20. a cylinder; 21. a telescopic cylinder; 22. a telescoping plate; 23. a first magnetic block; 24. a second magnetic block; 25. and a limiting plate.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
First embodiment: referring to fig. 1-5, a thread rolling machine for cold extrusion production of large-head bolts comprises a base 10, wherein a thread rolling mechanism for rolling the bolts is arranged on the base 10, and a supporting mechanism for supporting the bolts is arranged below the thread rolling mechanism on the base 10.
The thread rolling mechanism comprises two thread rolling assemblies, the two thread rolling assemblies are radially arranged along the length direction of the base 10, one thread rolling assembly is fixedly connected with the base 10, and the other thread rolling assembly is slidably arranged on the base 10 through a hydraulic cylinder 17.
Further, the thread rolling mechanism comprises a control end 11, one side of the control end 11, which faces the center line of the base 10, is provided with a placement seat 12, one side of the placement seat 12, which is far away from the control end 11, is provided with a rolling wheel 13, a motor plate 14 is arranged on the base 10, which is located behind the control end 11, one side of the motor plate 14, which is far away from the control end 11, is provided with a motor 15, the output end of the motor 15 is provided with a motor shaft 16 for driving the rolling wheel 13 to operate, and a supporting mechanism connected with the base 10 is arranged below the two motor shafts 16 on the motor plate 14.
In this embodiment, the supporting mechanism is disposed on the telescopic cylinder 21 on the base 10, the telescopic cylinder 21 is slidably connected with the telescopic plate 22 through a spring, the two inner walls of the telescopic cylinder 21 along the width direction are respectively provided with the first magnetic blocks 23, the two end arms of the telescopic plate 22 along the width direction are respectively provided with the two second magnetic blocks 24, the two second magnetic blocks 24 are in one-to-one correspondence with the two first magnetic blocks 23, and two rotating shafts 18 for supporting the bolts are rotatably connected between the telescopic plate 22 and the motor plate 14.
Further, at least two oil grooves 19 are respectively provided on the outer peripheral sides of the two rotating shafts 18, and the plurality of oil grooves 19 are arranged at equal intervals along the circumferential direction of the rotating shafts 18.
Further, a lubricating graphite column is detachably arranged in each oil groove 19.
Further, a limiting plate 25 is arranged above each rotating shaft 18 on the motor plate 14, and the limiting plates 25 are arc-shaped.
Further, the motor plate 14 is provided with two shaft holes for the shaft 18 to pass through, and an elastic pad is arranged on the outer peripheral side of the shaft 18 in each shaft hole.
Further, the elastic pad is a resin pad.
Through the setting of lubricated graphite post on pivot 18, improved the lubricity between pivot 18 and the bolt, further reduced the friction between pivot 18 and the bolt, reduced the wearing and tearing of bolt or pivot 18, on the one hand guarantee the machining precision of bolt when the thread rolling, on the other hand extension supporting mechanism's life reduces the maintenance number of times of staff to supporting mechanism.
The expansion plate 22 connected with one end of the rotating shaft 18 is arranged in the expansion cylinder 21 in a sliding manner through the spring, the expansion cylinder 21 and the expansion plate 22 are mutually adsorbed through the magnetic blocks, the other end of the rotating shaft 18 is arranged in the motor plate 14 through the resin pad, the spring and the resin pad can also buffer vibration generated during operation of the thread rolling machine, stability of the rotating shaft 18 is guaranteed, and stability of the bolt during processing of the thread rolling machine is further guaranteed.
Along with the long-time running of the thread rolling mechanism, after the abrasion outer diameter of the rotating shaft 18 is reduced, namely, the rotating shaft 18 is disconnected from the abutting joint of the limiting plate 25, the spring can overcome the adsorption of the magnetic block between the telescopic cylinder 21 and the telescopic plate 22, push the telescopic plate 22 to move towards the outside of the telescopic cylinder 21, namely, control the rotating shaft 18 to approach the rolling wheel 13, enable the rotating shaft 18 to abut against the limiting plate 25 again, and ensure that the processed bolt is always at a preset position, and further ensure the thread rolling precision of the bolt.
It will be apparent that the described embodiments are only some, but not all, embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the present utility model without making any inventive effort, shall fall within the scope of the present utility model.
Claims (6)
1. The utility model provides a big head bolt thread rolling machine for cold extrusion production, includes base (10), be equipped with on base (10) and roll the thread mechanism of silk, its characterized in that to the bolt: the screw rolling device comprises a base (10), wherein a supporting mechanism for supporting bolts is arranged below the screw rolling mechanism, the screw rolling mechanism comprises two screw rolling assemblies, the two screw rolling assemblies are radially arranged in the length direction of the base (10), one screw rolling assembly is fixedly connected with the base (10), the other screw rolling assembly is slidably arranged on the base (10) through a hydraulic cylinder (17), the screw rolling mechanism comprises a control end (11), one side of the control end (11) facing the center line of the base (10) is provided with a placement seat (12), one side of the placement seat (12) far away from the control end (11) is provided with a rolling wheel (13), one side of the base (10) far away from the control end (11) is provided with a motor plate (14), one side of the motor plate (14) far away from the control end (11) is provided with a motor (15), the output end of the motor plate (15) is provided with a motor shaft (16) for driving the rolling wheel (13) to run, one side of the motor shaft (14) far away from the control end (11) is provided with a motor shaft (14) which is provided with a telescopic spring (21) connected with the base (10), the telescopic cylinder (21) is provided with first magnetic blocks (23) along two inner walls of the width direction respectively, the telescopic plate (22) is provided with two second magnetic blocks (24) along two end arms of the width direction respectively, the two second magnetic blocks (24) are matched with the two first magnetic blocks (23) in a one-to-one correspondence manner, and two rotating shafts (18) for supporting bolts are connected between the telescopic plate (22) and the motor plate (14) in a rotating manner.
2. The thread rolling machine for cold extrusion production of large-head bolts according to claim 1, wherein: at least two oil grooves (19) are respectively arranged on the outer circumferential sides of the two rotating shafts (18), and the plurality of oil grooves (19) are arranged at equal intervals along the circumferential direction of the rotating shafts (18).
3. The thread rolling machine for cold extrusion production of large-head bolts according to claim 2, wherein: and a lubricating graphite column is detachably arranged in each oil groove (19).
4. The thread rolling machine for cold extrusion production of large-head bolts according to claim 1, wherein: and a limiting plate (25) is arranged above each rotating shaft (18) on the motor plate (14), and the limiting plates (25) are arc-shaped.
5. The thread rolling machine for cold extrusion production of large-head bolts according to claim 1, wherein: the motor plate (14) is provided with shaft holes for the rotating shaft (18) to pass through, the number of the shaft holes is two, and an elastic pad is arranged on the outer periphery side of the rotating shaft (18) in each shaft hole.
6. The thread rolling machine for cold extrusion production of large-head bolts according to claim 5, wherein: the elastic pad is a resin pad.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222999445.8U CN219025802U (en) | 2022-11-11 | 2022-11-11 | Thread rolling machine for cold extrusion production of large-head bolts |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222999445.8U CN219025802U (en) | 2022-11-11 | 2022-11-11 | Thread rolling machine for cold extrusion production of large-head bolts |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219025802U true CN219025802U (en) | 2023-05-16 |
Family
ID=86292463
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222999445.8U Active CN219025802U (en) | 2022-11-11 | 2022-11-11 | Thread rolling machine for cold extrusion production of large-head bolts |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219025802U (en) |
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2022
- 2022-11-11 CN CN202222999445.8U patent/CN219025802U/en active Active
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