CN211218499U - Long-life thread rolling device - Google Patents
Long-life thread rolling device Download PDFInfo
- Publication number
- CN211218499U CN211218499U CN201922078392.4U CN201922078392U CN211218499U CN 211218499 U CN211218499 U CN 211218499U CN 201922078392 U CN201922078392 U CN 201922078392U CN 211218499 U CN211218499 U CN 211218499U
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- Prior art keywords
- thread rolling
- rolling wheel
- frame
- life
- long
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- Expired - Fee Related
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- 238000005096 rolling process Methods 0.000 title claims abstract description 139
- 230000007246 mechanism Effects 0.000 claims abstract description 32
- 239000000463 material Substances 0.000 claims abstract description 12
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 16
- 239000010865 sewage Substances 0.000 claims description 10
- 230000008859 change Effects 0.000 claims description 5
- 238000003754 machining Methods 0.000 description 7
- 230000000694 effects Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000002035 prolonged effect Effects 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000005299 abrasion Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000007921 spray Substances 0.000 description 2
- 238000005507 spraying Methods 0.000 description 2
- 238000000576 coating method Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
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Abstract
The utility model relates to a long-life thread rolling device, which comprises a frame and a thread rolling mechanism arranged on the frame, wherein the thread rolling mechanism comprises a left thread rolling wheel frame and a right thread rolling wheel frame which are arranged on the frame, a left thread rolling wheel arranged on the left thread rolling wheel frame and a right thread rolling wheel arranged on the right thread rolling wheel frame; two sets of feeding propulsion mechanisms are respectively arranged on two sides of the edges of the left thread rolling wheel frame and the right thread rolling wheel frame; the feeding and propelling mechanism comprises a support frame and a material pushing cylinder which are arranged on the rack, a rod piece product to be processed is arranged on the support frame, and the end part of the rod piece product is connected with the output end of the material pushing cylinder. Compared with the prior art, the utility model has the advantages of long service life, high mould utilization ratio, low input cost, etc.
Description
Technical Field
The utility model relates to a thread rolling machine especially relates to a long-life thread rolling device.
Background
The thread rolling die is a highly-formed die, has high production efficiency and is relatively stable, and is the most prominent place for the thread rolling process. The method has the advantages that the traditional machining turning process is replaced by the thread rolling process to a great extent, but the thread rolling die is expensive, and the quality of a processed product cannot be guaranteed once the service life is reached, so that the service life of the thread rolling die is the core point of the thread rolling process, and means such as adding various coatings, replacing die materials, changing die hardness by heat treatment and the like appear in the market for prolonging the service life of the thread rolling die, but the service life of the die can only be relatively prolonged, and a long way is left for really prolonging the service life of the die.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a long-life thread rolling device for overcoming the defect that the service life of the thread rolling die is short in the prior art.
The purpose of the utility model can be realized through the following technical scheme:
a long-life thread rolling device comprises a rack and a thread rolling mechanism arranged on the rack, wherein the thread rolling mechanism comprises a left thread rolling wheel frame and a right thread rolling wheel frame which are arranged on the rack, a left thread rolling wheel arranged on the left thread rolling wheel frame and a right thread rolling wheel arranged on the right thread rolling wheel frame; two sets of feeding and propelling mechanisms are respectively arranged on two sides of the edges of the left thread rolling wheel frame and the right thread rolling wheel frame; the feeding and propelling mechanism comprises a support frame and a material pushing cylinder which are arranged on the rack, a rod piece product to be processed is arranged on the support frame, and the end part of the rod piece product is connected with the output end of the material pushing cylinder.
In practical use, the utility model finds that the contact starting point (namely the zero point of the thread rolling wheel) of the spiral teeth of the thread rolling wheel and the rod-shaped workpiece to be processed is easy to be worn, the wear is serious, and the tail part of the spiral teeth of the thread rolling wheel is less worn; and the completeness of the spiral teeth at the starting point of the thread rolling wheel is very important for the finally processed product, and along the advancing direction of the workpiece to be processed, the spiral teeth at the tail part or the rear part of the thread rolling wheel have little influence on the precision of the finally processed product. Based on these two discoveries, the utility model discloses think of the starting point of the spiral tooth of the thread rolling mould in the device impaired back, overturn 180 with the thread rolling mould, change the starting point and the terminal point of spiral tooth, adopt the terminal point that has not yet taken place wearing and tearing to process the product as new starting point, still can produce the qualified product of precision. In order to realize the above assumption, the utility model discloses on original thread rolling device, be equipped with two feed advancing device to the starting point and the terminal point of the helical tooth of the thread rolling wheel that make all can regard as the processing zero point of thread rolling spiral first with treat the processing product effect, so the life-span greatly increased of thread rolling wheel, under the general condition, the life-span is 2 times of original life-span.
The support frame is including locating add on the frame and locate the member product rack on adding the piece, be equipped with V type recess on the member product rack.
At least one of the left thread rolling wheel frame and the right thread rolling wheel frame is arranged on a sliding mechanism, and the sliding mechanism drives the thread rolling wheel frame to move in a translation mode to change the distance between the left thread rolling wheel frame and the right thread rolling wheel frame.
The sliding mechanism comprises a sliding rail arranged on the rack, a sliding block arranged on the thread rolling wheel carrier and a translation cylinder arranged on the rack, the sliding block is connected with the sliding rail in a sliding manner, the extending direction of the sliding rail is perpendicular to the axial direction of a rod piece product to be processed, and the output end of the translation cylinder is fixedly connected with the sliding block.
The thread rolling mechanism further comprises a driving assembly respectively connected with the left thread rolling wheel and the right thread rolling wheel, and the driving assembly comprises a servo motor, a first driving wheel connected with a rotating shaft of the servo motor, a second driving wheel connected with a rotating shaft of the thread rolling wheel, and a driving belt arranged on the first driving wheel and the second driving wheel.
And spray pipes are respectively arranged right above the contact positions of the left thread rolling wheel and the right thread rolling wheel with rod piece products to be processed, a water inlet pipe of each spray pipe is connected with a water suction pump, and the water suction pumps are communicated with a water supply tank through water supply pipes.
A sewage discharge groove is formed in the working table surface of the rack and is arranged below the left thread rolling wheel and the right thread rolling wheel, and a sewage discharge box is arranged at the water outlet end of the sewage discharge groove.
The output end of the pushing cylinder is fixedly connected with a push plate, and the push plate is in contact connection with the end part of a rod piece product to be processed.
The utility model discloses a device use does:
the rod piece product to be processed is placed on the V-shaped groove, the pushing cylinder on one side pushes the rod piece product forwards along the extending direction of the V-shaped groove, and the V-shaped groove has a guiding effect and can ensure that the rod piece product moves forwards. The left thread rolling wheel and the right thread rolling wheel rotate in the same left direction and perform opposite feed motion in the horizontal direction simultaneously to extrude and roll threads on a product to obtain a threaded product; when the fact that the abrasion degree of the spiral tooth starting point of the thread rolling wheel is too large to cause that the machining precision of the machined part cannot meet the requirement is found, the material pushing cylinder of the feeding and pushing mechanism on the other side is started to feed, so that the tail part of the spiral tooth of the thread rolling wheel becomes a new machining zero point, the rod piece product to be machined is continuously used for thread rolling, and the thread rolling die is scrapped until the new machining zero point is abraded to meet the production requirement.
Compared with the prior art, the utility model has the advantages of it is following:
(1) by designing two sets of feeding and propelling mechanisms, the starting point and the end point of the spiral tooth can be the processing zero point, compared with a thread rolling die in the original device, the service life of the thread rolling die is prolonged by 2 times, and the actual service life of the die is obviously prolonged;
(2) the thread rolling die with the changed processing zero point can not generate unstable factors on products, the utilization rate of the die is improved, and the input cost of the die is reduced.
Drawings
Fig. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic top view of the present invention;
in the figure, 1 is a frame, 2 is a left thread rolling wheel frame, 3 is a right thread rolling wheel frame, 4 is a left thread rolling wheel, 5 is a right thread rolling wheel, 6 is a support frame, 7 is a transmission belt, 8 is a translation cylinder, 9 is a servo motor, 10 is a first transmission wheel, 11 is a second transmission wheel, and 12 is a feeding propulsion mechanism.
Detailed Description
The present invention will be described in detail with reference to the following embodiments. The following examples will assist those skilled in the art in further understanding the present invention, but are not intended to limit the invention in any way. It should be noted that various changes and modifications can be made by one skilled in the art without departing from the spirit of the invention. These all belong to the protection scope of the present invention.
Examples
A long-life thread rolling device is shown in figure 1 and comprises a rack 1 and a thread rolling mechanism arranged on the rack 1, wherein the thread rolling mechanism comprises a left thread rolling wheel frame 2 and a right thread rolling wheel frame 3 which are arranged on the rack 1, a left thread rolling wheel 4 arranged on the left thread rolling wheel frame 2, a right thread rolling wheel 5 arranged on the right thread rolling wheel frame 3, and driving components respectively connected with the left thread rolling wheel 4 and the right thread rolling wheel 5, the driving components comprise a servo motor 9, a first driving wheel 10 connected with a rotating shaft of the servo motor 9, a second driving wheel 11 connected with the rotating shaft of the thread rolling wheel, and a driving belt arranged on the first driving wheel 10 and the second driving wheel 11. The right thread rolling wheel frame 3 is installed on a sliding mechanism, the sliding mechanism drives the thread rolling wheel frame to move in a translational mode to change the distance between the left thread rolling wheel frame 2 and the right thread rolling wheel frame 3, the sliding mechanism comprises a sliding rail arranged on the rack 1, a sliding block arranged on the thread rolling wheel frame and a translation cylinder 8 arranged on the rack 1, the sliding block is connected with the sliding rail in a sliding mode, the extending direction of the sliding rail is perpendicular to the axial direction of a rod piece product to be processed, and the output end of the translation cylinder 8 is fixedly connected with the sliding block.
In the device of the embodiment, the thread rolling mechanism is respectively provided with two sets of feeding and propelling mechanisms 12, specifically, two sides of the left thread rolling wheel frame 2 and the right thread rolling wheel frame 3 are respectively provided with two sets of feeding and propelling mechanisms 12; the starting point and the end point of the helical teeth of the thread rolling wheel can thus be used as a processing zero point to first come into contact with the rod product to be processed. The feeding and propelling mechanism 12 comprises a support frame 6 and a material pushing cylinder which are arranged on the frame 1, a rod piece product to be processed is arranged on the support frame 6, the end part of the rod piece product is connected with the output end of the material pushing cylinder, the output end of the material pushing cylinder is fixedly connected with a push plate, and the push plate is in contact connection with the end part of the rod piece product to be processed; the support frame 6 comprises a heightening piece arranged on the frame 1 and a rod piece product placing frame arranged on the heightening piece, and a V-shaped groove is formed in the rod piece product placing frame.
In order to improve the cooling effect, spraying pipes are respectively arranged right above the contact positions of the left thread rolling wheel 4 and the right thread rolling wheel 5 and the rod piece product to be processed, a water inlet pipe of each spraying pipe is connected with a water suction pump, and the water suction pumps are communicated with a water supply tank through water supply pipes. A sewage discharge groove is formed in the working table surface of the machine frame 1 and is arranged below the left thread rolling wheel 4 and the right thread rolling wheel 5, and a sewage discharge box is arranged at the water outlet end of the sewage discharge groove.
The use process of the device of the embodiment is as follows:
the rod piece product to be processed is placed on the V-shaped groove, the pushing cylinder on one side pushes the rod piece product forwards along the extending direction of the V-shaped groove, and the V-shaped groove has a guiding effect and can ensure that the rod piece product moves forwards. The left thread rolling wheel and the right thread rolling wheel rotate in the same left direction and perform opposite feed motion in the horizontal direction simultaneously to extrude and roll threads on a product to obtain a threaded product; when the fact that the abrasion degree of the spiral tooth starting point of the thread rolling wheel is too large to cause that the machining precision of the machined part cannot meet the requirement is found, the material pushing cylinder of the feeding and pushing mechanism on the other side is started to feed, so that the tail part of the spiral tooth of the thread rolling wheel becomes a new machining zero point, the rod piece product to be machined is continuously used for thread rolling, and the thread rolling die is scrapped until the new machining zero point is abraded to meet the production requirement.
The device of the embodiment can change the mode that the thread rolling die at the zero point of contact with the workpiece rotates in the same direction by taking the new zero point as a starting point, and simultaneously performs opposite feeding motion in the horizontal direction to extrude and roll threads on the product. The condition that the die is scrapped when the die reaches the service life is avoided by changing the thread rolling die at the processing zero point, and the actual service life of the die is obviously prolonged; and the thread rolling die at the processing zero point is changed, unstable factors cannot be generated on the product, the utilization rate of the die is improved, and the investment cost of the die is reduced.
The foregoing description of the specific embodiments of the invention has been presented. It is to be understood that the present invention is not limited to the specific embodiments described above, and that various changes and modifications may be made by those skilled in the art within the scope of the appended claims without departing from the spirit of the invention.
Claims (8)
1. A long-life thread rolling device comprises a rack (1) and a thread rolling mechanism arranged on the rack (1), wherein the thread rolling mechanism comprises a left thread rolling wheel frame (2) and a right thread rolling wheel frame (3) which are arranged on the rack (1), a left thread rolling wheel (4) arranged on the left thread rolling wheel frame (2), and a right thread rolling wheel (5) arranged on the right thread rolling wheel frame (3); the device is characterized in that two sets of feeding propulsion mechanisms are respectively arranged on two sides of the left thread rolling wheel frame (2) and the right thread rolling wheel frame (3); the feeding and propelling mechanism comprises a support frame (6) and a material pushing cylinder which are arranged on the rack (1), a rod piece product to be processed is arranged on the support frame (6), and the end part of the rod piece product is connected with the output end of the material pushing cylinder.
2. The long-life thread rolling device according to claim 1, wherein the support frame (6) comprises an heightening member arranged on the frame (1) and a rod product placing frame arranged on the heightening member, and the rod product placing frame is provided with a V-shaped groove.
3. The long-life thread rolling device according to claim 1, wherein at least one of the left thread rolling wheel frame (2) and the right thread rolling wheel frame (3) is mounted on a sliding mechanism which drives the thread rolling wheel frame to move in a translational manner to change the distance between the left thread rolling wheel frame (2) and the right thread rolling wheel frame (3).
4. A long-life thread rolling device according to claim 3, wherein the sliding mechanism comprises a slide rail arranged on the frame (1), a slide block arranged on the thread rolling wheel frame, and a translation cylinder (8) arranged on the frame (1), the slide block and the slide rail are connected in a sliding manner, the extending direction of the slide rail is perpendicular to the axial direction of the rod product to be processed, and the output end of the translation cylinder (8) is fixedly connected with the slide block.
5. A long-life thread rolling device according to claim 1, wherein said thread rolling mechanism further comprises driving means connected to said left thread rolling wheel (4) and said right thread rolling wheel (5), respectively, said driving means comprising a servo motor (9), a first driving wheel (10) connected to a rotation shaft of said servo motor (9), a second driving wheel (11) connected to a rotation shaft of said thread rolling wheels, and a driving belt (7) mounted on said first driving wheel (10) and said second driving wheel (11).
6. The long-life thread rolling device according to claim 1, wherein a shower pipe is provided directly above the position where the left thread rolling wheel (4) and the right thread rolling wheel (5) are in contact with the bar product to be processed, respectively, and a suction pump is connected to a water inlet pipe of the shower pipe, and the suction pump is communicated with a water supply tank through a water supply pipe.
7. The long-life thread rolling device according to claim 1, wherein a sewage draining groove is formed in the working table surface of the machine frame (1), the sewage draining groove is arranged below the left thread rolling wheel (4) and the right thread rolling wheel (5), and a sewage draining tank is arranged at the water outlet end of the sewage draining groove.
8. The long-life thread rolling device according to claim 1, wherein the output end of the pushing cylinder is fixedly connected with a push plate, and the push plate is in contact connection with the end of the rod product to be processed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922078392.4U CN211218499U (en) | 2019-11-27 | 2019-11-27 | Long-life thread rolling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922078392.4U CN211218499U (en) | 2019-11-27 | 2019-11-27 | Long-life thread rolling device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211218499U true CN211218499U (en) | 2020-08-11 |
Family
ID=71942792
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922078392.4U Expired - Fee Related CN211218499U (en) | 2019-11-27 | 2019-11-27 | Long-life thread rolling device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211218499U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112719875A (en) * | 2021-01-14 | 2021-04-30 | 汪诚 | Screw thread tapper |
-
2019
- 2019-11-27 CN CN201922078392.4U patent/CN211218499U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112719875A (en) * | 2021-01-14 | 2021-04-30 | 汪诚 | Screw thread tapper |
| CN112719875B (en) * | 2021-01-14 | 2022-06-24 | 南京涵曦月自动化科技有限公司 | Screw thread tapper |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200811 |