High-precision thread rolling processing device suitable for high-strength workpiece requirements
Technical Field
The invention relates to a processing device, in particular to a high-precision thread rolling processing device suitable for high-strength workpiece requirements.
Background
At present, thread rolling machine tools are always adopted for processing, in order to achieve integration, automatic processing and meet the requirement for continuously improved part processing precision, thread rolling and processing of other procedures are completed by clamping on a numerical control machine tool at one time, which is a necessary process requirement for solving the part processing precision, currently developed three-wheel axial thread rolling tools are used on a large scale, but the three-wheel axial thread rolling tools cannot avoid interference between the thread rolling tools and parts when processing short threads and parts with larger size difference between the threads and steps, but at present, a plurality of large parts have higher and higher requirements for thread strength, rolling processing must be required, continuous automatic processing and part form and position tolerance requirements cannot be realized on parts with special shapes on the traditional thread rolling machine tools, and the existing thread rolling machine tools capable of realizing automatic rolling need to be imported from Europe and America, the equipment price is very high, and the processing and manufacturing cost of parts is very high. Therefore, the device is improved, and the high-precision thread rolling device suitable for high-strength workpieces is provided.
Disclosure of Invention
In order to overcome the defects in the prior art, the invention provides the high-precision thread rolling device suitable for high-strength workpiece requirements.
In order to solve the technical problems, the invention provides the following technical scheme:
the invention relates to a high-precision thread rolling processing device suitable for high-strength workpiece requirements, which comprises a shell, a left support arm shell and a right support arm shell, wherein the bottoms of the front sides of the left support arm shell and the right support arm shell are fixedly connected with slotted nuts, the tops of the left support arm shell and the right support arm shell are respectively hinged with two sides of the bottom of the shell through mandrels, the end parts of the two mandrels are respectively and fixedly connected with copper sleeves, the bottoms of the left support arm shell and the right support arm shell are respectively provided with a roller shaft and a roller, the bottoms of the outer sides of the left support arm shell and the right support arm shell are respectively provided with a fastening bolt and a second screw, a left adjusting column, a right adjusting column and a double-end adjusting stud are arranged between the left support arm shell and the right support arm shell, the front side of the shell is in threaded connection with an inner hexagonal plug screw, and the middle part of, the back of the shell is connected with a second cover plate through a seventh screw and a fifth screw, both sides of the inner cavity of the shell are respectively connected with a first copper shaft in an inserting way, the end parts of the left adjusting column and the right adjusting column are respectively and alternately connected with positioning columns, the end parts of the two positioning columns are respectively and fixedly connected with a second copper shaft, the transmission mechanism is arranged in the shell, the left support arm shell and the right support arm shell and consists of a third gear, two fourth gears, two second gears, four fifth gears and two first gears, the third gear, the two fourth gears, the four fifth gears, the two second gears and the two first gears are sequentially distributed in the shell, the left support arm shell and the right support arm shell from top to bottom, and the external teeth of the third gear, the two fourth gears, the two second gears, the four fifth gears and the two first gears are meshed with each other.
As a preferable technical scheme of the invention, one end of each of the two roller shafts is connected with a first cover plate through a first screw, and the other end of each of the two roller shafts is connected with a left support arm cover plate and a right support arm cover plate through a third screw.
As a preferable technical scheme of the invention, the middle parts of the left support arm cover plate and the right support arm cover plate are connected with copper pads through elastic cylindrical pins, fourth screws are respectively inserted and connected in the two rollers, pressing caps are inserted and connected outside the two fourth screws, and the middle parts of the two rollers are fixedly connected with the end parts of the two roller shafts.
As a preferred technical solution of the present invention, one end of each of the two fastening bolts is fixedly connected to the bottom of the outer side of the left arm housing and the bottom of the outer side of the right arm housing, and the inner portion of each of the two fastening bolts is connected to the outer portion of each of the two second screws through a screw.
As a preferred technical scheme of the present invention, one end of the left adjusting column and one end of the right adjusting column are respectively and fixedly connected to the bottom of the back surface of the opposite side of the left support arm shell and the right support arm shell, the other end of the left adjusting column and the other end of the right adjusting column are respectively and fixedly connected to the two sides of the bottom end of the shell, and the two ends of the double-ended adjusting stud are respectively and fixedly connected to the bottom of the front surface of the opposite side of the left support arm shell and the right support arm shell.
As a preferred technical scheme of the present invention, the outside of the threaded shaft is inserted into and connected with the top of the inner cavity of the housing, the inside of the spring seat is connected with the outside of the threaded shaft through threads, the tops of the two cylindrical compression springs are respectively attached to two sides of the bottom end of the spring seat, the bottoms of the two cylindrical compression springs are respectively inserted and connected with sixth screws, and the two sixth screws are respectively connected with two sides of the bottom end of the inner cavity of the housing through threads.
As a preferable technical solution of the present invention, the middle portions of the third gears are fixedly connected to the end portions of the spring seat, the middle portions of the two fourth gears are respectively fixedly connected to the end portions of the two first copper shafts, the middle portions of the two fifth gears are respectively fixedly connected to the outer portions of the two copper sleeves, the middle portions of the two second gears are respectively fixedly connected to the end portions of the two second copper shafts, and the middle portions of the two first gears are respectively fixedly connected to the end portions of the two roller shafts.
The invention has the beneficial effects that: this kind of high accuracy screw thread roll extrusion processingequipment suitable for high strength work piece requirement, adjust the double-screw bolt through the double-end, left side is adjusted the post and is adjusted two gyro wheels and open big or small distance with the right side, gyro wheel contact part surface rotates earlier at the during operation, another gyro wheel passes through the third gear, the fourth gear, the second gear, the transmission of fifth gear and first gear, thereby let two gyro wheels rotate to same direction and reach the function of roll extrusion screw thread, and pull up the regulation that the third gear carries out the wrong tooth through the screw thread axle drive spring seat, the difficult problem that can't carry out once processing when having solved the threaded connection part of processing big step and bend and having more through and connect the part and accomplish screw thread roll extrusion.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:
FIG. 1 is a schematic structural diagram of a high-precision thread rolling device suitable for high-strength workpieces;
FIG. 2 is a schematic structural diagram of a housing of a high-precision thread rolling device suitable for high-strength workpieces;
FIG. 3 is a schematic diagram of a top view of a housing of a high-precision thread rolling device suitable for high-strength workpieces;
FIG. 4 is a schematic side view of a housing of a high-precision thread rolling device suitable for high-strength workpieces;
FIG. 5 is a schematic view of the internal structure of the housing of the high-precision thread rolling device suitable for high-strength workpieces;
fig. 6 is a schematic sectional structural view of a housing of a high-precision thread rolling device suitable for high-strength workpieces.
In the figure: 1. a slotted nut; 2. a first screw; 3. a first cover plate; 4. a left support arm housing; 5. tightening the bolt; 6. a second screw; 7. a left adjustment column; 8. a positioning column; 9. a roller shaft; 10. a first gear; 11. a second gear; 12. a third screw; 13. a copper pad; 14. an elastic cylindrical pin; 15. pressing the cap; 16. a fourth screw; 17. a fifth screw; 18. a second cover plate; 19. a third gear; 20. a fourth gear; 21. a threaded shaft; 22. an inner hexagonal plug screw; 23. a housing; 24. a right arm housing; 25. a sixth screw; 26. a mandrel; 27. a cylindrical compression spring; 28. a seventh screw; 29. a spring seat; 30. a first copper shaft; 31. a right arm cover plate; 32. a copper sleeve; 33. a fifth gear; 34. a second copper shaft; 35. a right adjustment post; 36. a stud adjustment stud; 37. a left support arm cover plate; 38. and a roller.
Detailed Description
The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are described herein for the purpose of illustration and explanation and not limitation.
Example (b): as shown in fig. 1, 2, 3, 4, 5 and 6, the present invention relates to a high precision thread rolling device suitable for high strength workpiece, which comprises a housing 23, a left arm housing 4 and a right arm housing 24, wherein the bottoms of the front sides of the left arm housing 4 and the right arm housing 24 are fixedly connected with a slotted nut 1, the tops of the left arm housing 4 and the right arm housing 24 are respectively hinged with two sides of the bottom of the housing 23 through mandrels 26, the ends of the two mandrels 26 are respectively and fixedly connected with copper sleeves 32, the bottoms of the left arm housing 4 and the right arm housing 24 are respectively provided with a roller shaft 9 and a roller 38, the bottoms of the outer sides of the left arm housing 4 and the right arm housing 24 are respectively provided with a set bolt 5 and a second screw 6, a left adjusting column 7, a right adjusting column 35 and a stud adjusting stud 36 are arranged between the left arm housing 4 and the right arm housing 24, the front side of the housing 23 is threadedly connected with an inner hexagonal plug 22, a threaded shaft 21, a spring seat 29 and two cylindrical compression springs 27 are arranged in the middle of the shell 23, the back of the shell 23 is connected with a second cover plate 18 through a seventh screw 28 and a fifth screw 17, both sides of the inner cavity of the shell 23 are connected with a first copper shaft 30 in an inserting manner, both ends of the left adjusting column 7 and the right adjusting column 35 are connected with positioning columns 8 in an inserting manner, both ends of the two positioning columns 8 are fixedly connected with a second copper shaft 34, transmission mechanisms are arranged in the shell 23, the left support arm shell 4 and the right support arm shell 24, each transmission mechanism comprises a third gear 19, two fourth gears 20, two second gears 11, four fifth gears 33 and two first gears 10, the third gear 19, the two fourth gears 20, the four fifth gears 33, the two second gears 11 and the two first gears 10 are sequentially distributed in the shell 23, the left support arm shell 4 and the right support arm shell 24 from top to bottom, and the external teeth of the third gear 19, the two fourth gears 20, the two second gears 11, the four fifth gears 33, and the two first gears 10 are engaged with each other.
One end of each of the two roller shafts 9 is connected with a first cover plate 3 through a first screw 2, the other end of each of the two roller shafts 9 is connected with a left arm cover plate 37 and a right arm cover plate 31 through a third screw 12, and the fifth gear 33, the second gear 11 and the first gear 10 can be protected through the left arm cover plate 37 and the right arm cover plate 31.
The middle parts of the left support arm cover plate 37 and the right support arm cover plate 31 are connected with a copper pad 13 through an elastic cylindrical pin 14, the inner parts of the two rollers 38 are connected with fourth screws 16 in an inserting mode, the outer parts of the two fourth screws 16 are connected with pressure caps 15 in an inserting mode, the middle parts of the two rollers 38 are fixedly connected with the end parts of the two roller shafts 9, and the parts can be subjected to thread rolling processing between the two rollers 38 through the limitation of the two rollers 38.
Wherein, the one end of two holding bolts 5 respectively with the bottom fixed connection in the left side support arm shell 4 and the right side support arm shell 24 outside, the inside of two holding bolts 5 respectively with the outside threaded connection of two second screws 6, through holding bolts 5 and second screws 6, make left side support arm shell 4 and right side support arm shell 24 can be relaxed link together with external production facility.
Wherein, the one end of the left side regulation post 7 and the right side regulation post 35 respectively with the left support arm shell 4 and the right support arm shell 24 opposite side back bottom fixed connection, the other end of the left side regulation post 7 and the right side regulation post 35 respectively with the both sides fixed connection of casing 23 bottom, the both ends of stud 36 respectively with the left support arm shell 4 and the right support arm shell 24 opposite side positive bottom fixed connection, through the stud 36, the cooperation of the left side regulation post 7 and the right side regulation post 35 is used, make people can adjust the interval between left support arm shell 4 and the right support arm shell 24 through the flexible of the control stud 36 and left side regulation post 7 and right side regulation post 35, and then adjust the interval between two gyro wheels 38.
Wherein, the outside of threaded shaft 21 is connected with the top interlude of casing 23 inner chamber, the inside of spring holder 29 and the outside threaded connection of threaded shaft 21, the top of two cylinder compression springs 27 respectively with the laminating of the both sides of spring holder 29 bottom, the bottom of two cylinder compression springs 27 all alternates and is connected with sixth screw 25, two sixth screw 25 respectively with the both sides threaded connection of casing 23 inner chamber bottom, through threaded shaft 21, the cooperation of spring holder 29 and cylinder compression spring 27 is used, make people drive spring holder 29 through threaded shaft 21 behind installation gyro wheel 38 and pull third gear 19 and carry out the regulation of wrong tooth.
The middle parts of the third gears 19 are fixedly connected with the end parts of the spring seats 29, the middle parts of the two fourth gears 20 are respectively fixedly connected with the end parts of the two first copper shafts 30, the middle parts of the two fifth gears 33 are respectively fixedly connected with the outer parts of the two copper sleeves 32, the middle parts of the two second gears 11 are respectively fixedly connected with the end parts of the two second copper shafts 34, the middle parts of the two first gears 10 are respectively fixedly connected with the end parts of the two roller shafts 9, and one roller 38 can drive the other roller 38 to rotate through the transmission of the third gears 19, the fourth gears 20, the second gears 11, the fifth gears 33 and the first gears 10, and the rotating directions are the same, so that the function of rolling threads is achieved.
When the tool rest is in operation, the shell 23 is arranged at the tool rest mounting position of the numerical control machine, when one roller 38 contacts with a workpiece, the roller 38 drives the other roller 38 to rotate under the transmission of the two roller shafts 9, the third gear 19, the two fourth gears 20, the two second gears 11, the two fifth gears 33 and the two first gears 10, the two rollers 38 perform rolling thread processing on the workpiece, the distance between the left arm shell 4 and the right arm shell 24 can be shortened by controlling the expansion and contraction of the double-headed adjusting stud 36, the left arm shell 4 and the right arm shell 24 can be controlled to be away from each other by controlling the expansion and contraction of the left adjusting column 7 and the right adjusting column 35, the distance between the left arm shell 4 and the right arm shell 24 can be increased, the thread size required to be processed by processing the workpiece can be adjusted, the spring seat 29 can be driven to move and the third gear 19 can be shifted by pulling the threaded shaft 21 to perform tooth-dislocation adjustment, through stud 36, two gyro wheels 38 are adjusted to left side regulation post 7 and right side regulation post 35 and are opened big or small distance, gyro wheel 38 rotates through third gear 19, fourth gear 20, second gear 11, the transmission of fifth gear 33 and first gear 10 in the first contact part surface of during operation, thereby it reaches the function of roll extrusion screw to let two gyro wheels 38 rotate to same direction, and drive spring holder 29 through threaded shaft 21 and pull up third gear 19 and carry out the regulation of wrong tooth, the difficult problem that can't carry out once processing when processing the threaded connection part of big step and bend and multi-pass joint part and accomplish screw thread roll extrusion is solved.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.