CN220362207U - Rolling cutter - Google Patents
Rolling cutter Download PDFInfo
- Publication number
- CN220362207U CN220362207U CN202322146703.2U CN202322146703U CN220362207U CN 220362207 U CN220362207 U CN 220362207U CN 202322146703 U CN202322146703 U CN 202322146703U CN 220362207 U CN220362207 U CN 220362207U
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- CN
- China
- Prior art keywords
- bearing
- shell
- mandrel
- retainer
- rolling cutter
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 238000005096 rolling process Methods 0.000 title claims abstract description 26
- 230000004323 axial length Effects 0.000 abstract description 4
- 230000000694 effects Effects 0.000 description 5
- 230000002093 peripheral effect Effects 0.000 description 3
- 238000009434 installation Methods 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
Abstract
The utility model belongs to the technical field of cutters, and particularly relates to a rolling cutter; comprising the following steps: a housing; the knife handle is connected to one end of the shell in a rotatable and adjustable manner; one end of the mandrel is positioned in the shell and connected to the handle, and the other end of the mandrel extends to the outer side from the other end of the shell; the retainer is sleeved on the mandrel, one end of the retainer is provided with a needle roller which radially abuts against the mandrel, and the other end of the retainer is provided with a floating adjusting part which is positioned in the shell; the bearing is arranged between the floating adjusting part and the inner wall of the shell; the floating adjusting part comprises a frame body, a bearing is sleeved on the frame body, a limiting part positioned at the outer side of the bearing, a positioning part positioned at the inner side of the bearing and a spring sleeved on the outer wall of the frame body are also arranged on the frame body, and two ends of the spring are respectively in axial contact with the bearing and the positioning part; the rolling function can be realized; the axial length adjusting device has the advantages of simple structure and good structural reliability, and can be properly adjusted in the axial length.
Description
Technical Field
The utility model belongs to the technical field of cutters, and particularly relates to a rolling cutter.
Background
The rolling knife can utilize plastic deformation of metal at normal temperature to roll and flatten the surface of the rugged workpiece, thereby achieving the purpose of changing the surface structure, mechanical property, shape and size; no matter what kind of metal processing tool is used for processing, tiny uneven tool marks are always left on the surface of the part, and the staggered undulating peak-valley phenomenon occurs; the rolling knife is based on the principle of mechanical extrusion, and the roller rolls the surface of the workpiece to achieve the effect of smoothness like a mirror in the moment; is a mechanical non-cutting and optimal plastic processing method.
The rolling cutter in the prior art has various types, and the aim of the structure is to design the rolling cutter which has a simple structure and can realize adjustment.
Disclosure of Invention
The utility model aims at solving the technical problems and provides a rolling cutter which has the advantages of simple structure and reliable structure.
In view of the above, the present utility model provides a rolling cutter, comprising:
a housing;
the knife handle is connected to one end of the shell in a rotatable and adjustable manner;
one end of the mandrel is positioned in the shell and connected to the handle, and the other end of the mandrel extends to the outer side from the other end of the shell;
the retainer is sleeved on the mandrel, one end of the retainer is provided with a needle roller which radially abuts against the mandrel, and the other end of the retainer is provided with a floating adjusting part which is positioned in the shell;
the bearing is arranged between the floating adjusting part and the inner wall of the shell;
the floating adjusting part comprises a frame body, the bearing is sleeved on the frame body, and the frame body is further provided with a limiting part positioned at the outer side of the bearing, a positioning part positioned at the inner side of the bearing and a spring sleeved on the outer wall of the frame body, wherein two ends of the spring are respectively in axial interference with the bearing and the positioning part.
Further, the cutter handle is connected with the shell through threads, and a first locking device is further arranged between the cutter handle and the shell.
Further, the first locking device comprises a first threaded hole radially formed in the shell and a first fixing pin which is arranged in the first threaded hole and used for radially propping against the cutter handle.
Further, a second locking device is arranged between the mandrel and the tool handle.
Further, the second locking device comprises a second threaded hole radially arranged on the cutter handle and a second fixed pin which is arranged in the second threaded hole and is used for radially propping against the mandrel.
Further, the positioning part is a first clamp spring.
Further, the inner wall of the shell is provided with a step groove for installing the bearing and a second clamping spring for axially fixing the bearing.
Further, the joint of the mandrel and the needle roller is of a conical structure.
The beneficial effects of the utility model are as follows: the rolling function can be realized; the axial length adjusting device has the advantages of simple structure and good structural reliability, and can be properly adjusted in the axial length.
Drawings
FIG. 1 is a schematic perspective view of the present utility model;
FIG. 2 is a schematic cross-sectional view of the present utility model;
FIG. 3 is an enlarged schematic view of the portion A of FIG. 2 in accordance with the present utility model;
the label in the figure is:
1. a housing; 2. a knife handle; 3. a mandrel; 4. a retainer; 5. needle roller; 6. a bearing; 7. a frame body; 8. a limit part; 9. a positioning part; 10. a spring; 11. a first fixed pin; 12. a second fixed pin; 13. and a second clamping spring.
Description of the embodiments
Technical solutions in the embodiments of the present application will be clearly described below with reference to the drawings in the embodiments of the present application, and it is apparent that the described embodiments are some of the embodiments of the present application, but not all of the embodiments. All other embodiments obtained by a person of ordinary skill in the art based on the embodiments in the present application are within the scope of the protection of the present application.
A rolling cutter, comprising:
a shell 1 having a cylindrical structure;
a knife handle 2 which is rotatably and adjustably connected to one end of the shell 1;
one end of the mandrel 3 is positioned in the shell 1 and connected to the knife handle 2, and the other end extends to the outer side from the other end of the shell 1; the mandrel 3 is an slender shaft structure;
the retainer 4 is sleeved on the mandrel 3, one end of the retainer 4 is provided with a needle roller 5 radially abutting against the mandrel 3, and the other end of the retainer 4 is provided with a floating adjusting part positioned in the shell 1; the retainer 4 is provided with a plurality of circumferentially equidistant windows, the rolling pins 5 are correspondingly arranged in the windows, and the caliber of the windows is slightly smaller than the diameter of the rolling pins 5, so that the surface of the rolling pins 5 can slightly protrude out of the outer peripheral surface of the retainer 4, but the rolling pins 5 cannot fall out of the windows; the portion of the cage 4 located outside the housing 1 is also of elongate construction;
a bearing 6 disposed between the floating adjustment portion and the inner wall of the housing 1 for improving stability of the retainer 4;
wherein, the floating adjusting part includes support body 7, and the bearing 6 cover is established on support body 7, still is equipped with spacing portion 8 that is located the bearing 6 outside on the support body 7, and the location portion 9 that is located the bearing 6 inboard and the spring 10 of cover on the outer wall of support body 7, spring 10 both ends are contradicted with bearing 6 and location portion 9 axial respectively.
The frame body 7 and the retainer 4 arranged at the outer end of the shell 1 can be of an integral structure, the frame body 7 can be of an integral structure between the limiting parts 8, the limiting parts 8 can be of an annular structure, the diameter of the frame body 7 is larger than that of the retainer 4 arranged at the outer end of the shell 1, the bearing 6 is fixed in the shell 1, the spring 10 is compressed during installation through the arrangement of the spring 10, the spring 10 enables the retainer 4 to generate rightward acting force as shown in the figure, and the limiting parts 8 are used for limiting the maximum rightward moving distance; in addition, the outer surface of the end part of the mandrel 3 is a conical surface, and the needle rollers 5 can also be in a conical structure, and the needle rollers 5 can protrude out of the outer peripheral surface of the retainer 4 through the conical surface of the mandrel 3 and prop against the needle rollers 5, so that a rolling processing effect is realized; the spring 10 can also play a role in floating adjustment, and the length of the mandrel 3 extending leftwards is set by rotating and adjusting the connection position of the cutter handle 2 and the shell 1, so that the whole retainer 4 can also move leftwards, and the length required by machining is adjusted.
The tool handle 2 is connected with the shell 1 through threads, and a first locking device is further arranged between the tool handle 2 and the shell 1.
The tool shank 2 is partially inserted into the shell 1, external threads can be arranged on the peripheral wall of the tool shank 2, internal threads can be arranged in the shell 1, the function of threaded connection is achieved, and the length can be adjusted according to the length of the mandrel 3 or the processing length requirement and the like in a threaded connection mode; the first locking device is used for further fixing between the cutter handle 2 and the shell 1, and ensures synchronous rotation between the cutter handle 2 and the shell 1.
The first locking device comprises a first threaded hole radially formed in the shell 1 and a first fixing pin 11 which is arranged in the first threaded hole and used for radially abutting against the tool handle 2.
The first fixing pin 11 is in threaded connection with the first threaded hole, and the end of the first fixing pin 11 is in radial contact with the tool handle 2 by screwing, so that the fixing effect is achieved.
A second locking device is arranged between the mandrel 3 and the knife handle 2.
The center of the knife handle 2 is provided with a positioning hole, the mandrel 3 is inserted into the positioning hole, and a fixing effect is achieved between the mandrel 3 and the knife handle 2 through the second locking device, so that the mandrel 3 and the knife handle 2 can synchronously rotate.
The second locking device comprises a second threaded hole which is radially arranged on the tool handle 2 and a second fixed pin 12 which is arranged in the second threaded hole and is used for radially propping against the mandrel 3.
The second fixing pin 12 is in threaded connection with the second threaded hole, and the end of the second fixing pin 12 is in radial interference with the mandrel 3 by screwing, so that the fixing effect is achieved.
The positioning part 9 is a first clamp spring.
Further, the inner wall of the housing 1 is provided with a step groove for installing the bearing 6 and a second clamping spring 13 for axially fixing the bearing 6.
The step grooves are arranged to facilitate the installation of the bearing 6; meanwhile, a limiting ring groove can be formed in the outer end of the step groove and used for installing a second clamping spring 13, limiting and fixing are carried out on two ends of the bearing 6 through the second clamping spring 13 and the step groove, and the bearing 6 can be a radial bearing 6.
Further, the joint of the mandrel 3 and the needle roller 5 is in a conical structure, and the needle roller 5 is also in a conical structure, so that the needle roller 5 is kept against tightly.
The embodiments of the present application and the features of the embodiments may be combined without conflict, and the present application is not limited to the specific embodiments described above, which are merely illustrative, not restrictive, and many forms may be made by those of ordinary skill in the art, without departing from the spirit of the present application and the scope of the claims, which are also within the protection of the present application.
Claims (8)
1. A rolling cutter, comprising:
a housing (1);
the knife handle (2) is rotatably and adjustably connected to one end of the shell (1);
one end of the mandrel (3) is positioned in the shell (1) and connected to the knife handle (2), and the other end extends to the outer side from the other end of the shell (1);
the retainer (4) is sleeved on the mandrel (3), one end of the retainer (4) is provided with a needle roller (5) radially abutted with the mandrel (3), and the other end of the retainer (4) is a floating adjusting part positioned in the shell (1);
a bearing (6) provided between the floating adjustment section and the inner wall of the housing (1);
wherein, the floating adjusting part includes support body (7), and bearing (6) cover is established on support body (7), still is equipped with spacing portion (8) that are located the bearing (6) outside on support body (7), is located bearing (6) inboard location portion (9) and cover spring (10) on support body (7) outer wall, spring (10) both ends respectively with bearing (6) and location portion (9) axial conflict.
2. The rolling cutter according to claim 1, wherein the cutter handle (2) is connected with the housing (1) through threads, and a first locking device is further arranged between the cutter handle (2) and the housing (1).
3. A rolling cutter according to claim 2, characterized in that the first locking means comprise a first threaded hole radially provided in the housing (1) and a first fixing pin (11) provided in the first threaded hole for radial abutment with the shank (2).
4. A rolling cutter according to claim 1, characterized in that a second locking device is provided between the spindle (3) and the shank (2).
5. A rolling cutter according to claim 4, characterized in that the second locking means comprise a second threaded hole radially provided in the shank (2) and a second fixing pin (12) provided in the second threaded hole for radial abutment with the spindle (3).
6. A rolling cutter according to claim 1, characterized in that the positioning part (9) is a first snap spring.
7. A rolling cutter according to claim 1, characterized in that the inner wall of the housing (1) is provided with a stepped groove for mounting the bearing (6) and a second snap spring (13) for axially fixing the bearing (6).
8. A rolling cutter according to claim 1, characterized in that the abutment of the spindle (3) with the needle roller (5) is of conical design.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322146703.2U CN220362207U (en) | 2023-08-09 | 2023-08-09 | Rolling cutter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322146703.2U CN220362207U (en) | 2023-08-09 | 2023-08-09 | Rolling cutter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220362207U true CN220362207U (en) | 2024-01-19 |
Family
ID=89515663
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322146703.2U Active CN220362207U (en) | 2023-08-09 | 2023-08-09 | Rolling cutter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220362207U (en) |
-
2023
- 2023-08-09 CN CN202322146703.2U patent/CN220362207U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |