CN216966158U - External thread rolling tool - Google Patents

External thread rolling tool Download PDF

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Publication number
CN216966158U
CN216966158U CN202220448300.6U CN202220448300U CN216966158U CN 216966158 U CN216966158 U CN 216966158U CN 202220448300 U CN202220448300 U CN 202220448300U CN 216966158 U CN216966158 U CN 216966158U
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CN
China
Prior art keywords
rotating shaft
gear
rolling
mounting plate
sleeved
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Active
Application number
CN202220448300.6U
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Chinese (zh)
Inventor
朱江毅
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Ningbo Yongshi Precision Tools Co ltd
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Ningbo Yongshi Precision Tools Co ltd
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Application filed by Ningbo Yongshi Precision Tools Co ltd filed Critical Ningbo Yongshi Precision Tools Co ltd
Priority to CN202220448300.6U priority Critical patent/CN216966158U/en
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Publication of CN216966158U publication Critical patent/CN216966158U/en
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Abstract

The utility model relates to an external thread rolling cutter which comprises a first mounting plate, a second mounting plate, a thread rolling mechanism and a power transmission mechanism, wherein the thread rolling mechanism and the power transmission mechanism are arranged on one side of the first mounting plate; a rolling processing opening is defined among the first rolling head, the second rolling head and the third rolling head, and an insertion opening is formed in the first mounting plate; the power transmission mechanism comprises a first gear sleeved on the first rotating shaft, a second gear sleeved on the second rotating shaft and a third gear sleeved on the third rotating shaft, wherein a driving gear is arranged in the middle of the second mounting plate and is meshed with the first gear, the second gear and the third gear; the integral structure is compact, the first rolling head, the second rolling head and the third rolling head rotate stably and synchronously, and the quality of thread rolling is ensured.

Description

External thread rolling tool
Technical Field
The utility model relates to the field of machining equipment, in particular to an external thread rolling cutter.
Background
The rolling tool is mainly used for processing external threads on a screw, a plurality of rolling heads are positioned on the outer side of the screw to be processed in the processing process, threads are arranged on the outer sides of the rolling heads, the threads on the outer sides of the rolling heads exert extrusion force on the outer side of the screw to be processed in the rotating process, the screw to be processed also rotates in the opposite direction relative to the rolling heads, and at the moment, the threads can be generated on the surface of the screw to be processed.
Present rolling tool is at the in-process that carries out thread machining, has a plurality of rolling head and rotates asynchronous and unstable problem, and this patent is based on current technical problem, improves rolling tool's structure.
Disclosure of Invention
The utility model aims to overcome the defects in the prior art and provides an external thread rolling cutter.
In order to achieve the purpose, the technical scheme adopted by the utility model is as follows:
an external thread rolling cutter comprises a first mounting plate, a second mounting plate, a thread rolling mechanism arranged on one side of the first mounting plate and a power transmission mechanism arranged on one side of the second mounting plate, wherein the thread rolling mechanism comprises a first rotating shaft, a second rotating shaft and a third rotating shaft, a first rolling head sleeved on the first rotating shaft, a second rolling head sleeved on the second rotating shaft and a third rolling head sleeved on the third rotating shaft;
one end of the first rotating shaft, one end of the second rotating shaft and one end of the third rotating shaft are rotatably connected with the first mounting plate, and the other end of the first rotating shaft, one end of the second rotating shaft and one end of the third rotating shaft are rotatably connected with the second mounting plate;
a rolling processing opening is defined among the first rolling head, the second rolling head and the third rolling head, and an insertion opening is formed in the first mounting plate;
the power transmission mechanism comprises a first gear sleeved on the first rotating shaft, a second gear sleeved on the second rotating shaft and a third gear sleeved on the third rotating shaft, wherein a driving gear is arranged in the middle of the second mounting plate and is meshed with the first gear, the second gear and the third gear.
Further, the driving gear is connected with the driving shaft.
Furthermore, one side of second mounting panel is equipped with the casing, is equipped with a plurality of positioning bolt on the first mounting panel, and the surface of casing is equipped with a plurality of waist-shaped grooves that correspond with positioning bolt, and positioning bolt's tip runs through waist-shaped groove, and the last cover of positioning bolt is equipped with the nut.
Furthermore, the circumferential surfaces of the first rolling head, the second rolling head and the third rolling head are provided with threads.
Further, the driving shaft is connected with a motor.
Further, the diameter of the driving gear is larger than the diameters of the first gear, the second gear and the third gear.
The utility model has the beneficial effects that: the thread rolling mechanism of the cutter is connected with a power transmission mechanism, the power transmission mechanism comprises a first gear sleeved on a first rotating shaft, a second gear sleeved on a second rotating shaft, a third gear sleeved on a third rotating shaft, and a driving gear arranged in the middle of a second mounting plate, the driving gear is meshed with the first gear, the second gear and the third gear, a rolling processing port is enclosed among a first rolling head, the second rolling head and the third rolling head, an insertion port is arranged on the first mounting plate, a screw to be processed extends into the rolling processing port through the insertion port during thread processing, at the moment, a motor drives the driving gear to rotate through a driving shaft, the driving gear drives the first gear, the second gear and the third gear on the outer side to synchronously rotate, the first gear drives the first rolling head to rotate through the first rotating shaft, the second gear drives the second rolling head to rotate through the second rotating shaft, the third gear drives the third rolling head to rotate through the third rotating shaft, and when the first rolling head, the second rolling head and the third rolling head rotate, threads are formed on the surface of the screw to be processed in an extrusion mode.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of another embodiment of the present invention;
FIG. 3 is a schematic view of the internal structure of the present invention;
FIG. 4 is a schematic view of another angle of the internal structure of the present invention;
fig. 5 is a schematic view of the power transmission mechanism of the present invention.
Detailed Description
As shown in fig. 1 to 5, an external thread rolling tool includes a first mounting plate 1, a second mounting plate 2, a thread rolling mechanism 3 disposed on one side of the first mounting plate 1, and a power transmission mechanism 4 disposed on one side of the second mounting plate 2, where the thread rolling mechanism 3 includes a first rotating shaft 31, a second rotating shaft 32, a third rotating shaft 33, a first rolling head 34 sleeved on the first rotating shaft 31, a second rolling head 35 sleeved on the second rotating shaft 32, and a third rolling head 36 sleeved on the third rotating shaft 33;
one end of each of the first rotating shaft 31, the second rotating shaft 32 and the third rotating shaft 33 is rotatably connected with the first mounting plate 1, and the other end of each of the first rotating shaft, the second rotating shaft and the third rotating shaft is rotatably connected with the second mounting plate 2;
a rolling processing opening 37 is defined among the first rolling head 34, the second rolling head 35 and the third rolling head 36, and the first mounting plate 1 is provided with an insertion opening 11;
the power transmission mechanism 4 includes a first gear 41 sleeved on the first rotating shaft 31, a second gear 42 sleeved on the second rotating shaft 32, and a third gear 43 sleeved on the third rotating shaft 33, wherein a driving gear 44 is arranged in the middle of the second mounting plate 2, and the driving gear 44 is meshed with the first gear 41, the second gear 42, and the third gear 43.
Further, the driving gear 44 is connected with the driving shaft 45, the housing 5 is arranged on one side of the second mounting plate 2, the plurality of positioning bolts 12 are arranged on the first mounting plate 1, the plurality of waist-shaped grooves 51 corresponding to the positioning bolts 12 are arranged on the surface of the housing 5, the end portions of the positioning bolts 12 penetrate through the waist-shaped grooves 51, and nuts are sleeved on the positioning bolts 12.
In this embodiment, the first rolling head 34, the second rolling head 35, and the third rolling head 36 are provided with threads on their circumferential surfaces, and the drive shaft 45 is connected to a motor. The driving gear 44 has a diameter larger than the diameters of the first gear 41, the second gear 42, and the third gear 43.
In summary, the thread rolling mechanism 3 of the tool is connected to the power transmission mechanism 4, the power transmission mechanism 4 includes a first gear 41 sleeved on the first rotating shaft 31, a second gear 42 sleeved on the second rotating shaft 32, and a third gear 43 sleeved on the third rotating shaft 33, a driving gear 44 is disposed in the middle of the second mounting plate 2, the driving gear 44 is engaged with the first gear 41, the second gear 42, and the third gear 43, a rolling processing opening 37 is defined between the first rolling head 34, the second rolling head 35, and the third rolling head 36, an insertion opening 11 is disposed on the first mounting plate 1, when in thread processing, a screw to be processed extends into the rolling processing opening 37 through the insertion opening 11, at this time, the motor drives the driving gear to rotate 44 through the driving shaft 45, the driving gear 44 drives the first gear 41, the second gear 42, and the third gear 43 on the outer side to rotate synchronously, the first gear 41 drives the first rolling head 34 to rotate through the first rotating shaft 31, the second gear 42 drives the second rolling head 35 to rotate through the second rotating shaft 32, the third gear 43 drives the third rolling head 36 to rotate through the third rotating shaft 33, and when the first rolling head 34, the second rolling head 35 and the third rolling head 36 rotate, threads are formed on the surface of the screw to be processed in an extrusion mode.
The foregoing shows and describes the general principles, essential features, and advantages of the utility model. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are merely illustrative of the principles of the utility model, but that various changes and modifications may be made without departing from the spirit and scope of the utility model, which fall within the scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims (6)

1. An external thread rolling cutter comprises a first mounting plate, a second mounting plate, a thread rolling mechanism arranged on one side of the first mounting plate and a power transmission mechanism arranged on one side of the second mounting plate, and is characterized in that the thread rolling mechanism comprises a first rotating shaft, a second rotating shaft and a third rotating shaft, wherein a first rolling head sleeved on the first rotating shaft, a second rolling head sleeved on the second rotating shaft and a third rolling head sleeved on the third rotating shaft are arranged;
one end of each of the first rotating shaft, the second rotating shaft and the third rotating shaft is rotatably connected with the first mounting plate, and the other end of each of the first rotating shaft, the second rotating shaft and the third rotating shaft is rotatably connected with the second mounting plate;
a rolling processing opening is defined among the first rolling head, the second rolling head and the third rolling head, and an insertion opening is formed in the first mounting plate;
the power transmission mechanism comprises a first gear and a second gear, wherein the first gear is arranged on the first rotating shaft in a sleeved mode, the second gear is arranged on the second rotating shaft in a sleeved mode, the third gear is arranged on the third rotating shaft in a sleeved mode, the middle of the second mounting plate is provided with a driving gear, and the driving gear is meshed with the first gear, the second gear and the third gear.
2. The pin rolling tool of claim 1 wherein said drive gear is connected to a drive shaft.
3. The external thread rolling tool according to claim 1, wherein a housing is provided on one side of the second mounting plate, a plurality of positioning bolts are provided on the first mounting plate, a plurality of waist-shaped grooves corresponding to the positioning bolts are provided on the surface of the housing, the end portions of the positioning bolts penetrate through the waist-shaped grooves, and nuts are sleeved on the positioning bolts.
4. A tool according to claim 1, wherein the first, second and third rolling heads are provided with threads on their peripheral surfaces.
5. The pin rolling tool of claim 2 wherein said drive shaft is connected to a motor.
6. The pin rolling tool of claim 2 wherein said drive gear has a diameter greater than a diameter of said first, second and third gears.
CN202220448300.6U 2022-03-03 2022-03-03 External thread rolling tool Active CN216966158U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202220448300.6U CN216966158U (en) 2022-03-03 2022-03-03 External thread rolling tool

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202220448300.6U CN216966158U (en) 2022-03-03 2022-03-03 External thread rolling tool

Publications (1)

Publication Number Publication Date
CN216966158U true CN216966158U (en) 2022-07-15

Family

ID=82356405

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202220448300.6U Active CN216966158U (en) 2022-03-03 2022-03-03 External thread rolling tool

Country Status (1)

Country Link
CN (1) CN216966158U (en)

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