CN212311327U - Rolling head convenient for processing cylindrical workpieces - Google Patents
Rolling head convenient for processing cylindrical workpieces Download PDFInfo
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- CN212311327U CN212311327U CN202021095777.8U CN202021095777U CN212311327U CN 212311327 U CN212311327 U CN 212311327U CN 202021095777 U CN202021095777 U CN 202021095777U CN 212311327 U CN212311327 U CN 212311327U
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- 238000005096 rolling process Methods 0.000 title claims abstract description 93
- 238000009434 installation Methods 0.000 claims abstract description 8
- 230000008878 coupling Effects 0.000 claims abstract description 3
- 238000010168 coupling process Methods 0.000 claims abstract description 3
- 238000005859 coupling reaction Methods 0.000 claims abstract description 3
- 230000005540 biological transmission Effects 0.000 claims description 21
- 238000003754 machining Methods 0.000 claims 7
- 230000006835 compression Effects 0.000 claims 2
- 238000007906 compression Methods 0.000 claims 2
- 238000006073 displacement reaction Methods 0.000 claims 1
- 230000000149 penetrating effect Effects 0.000 claims 1
- 238000001125 extrusion Methods 0.000 abstract description 6
- 230000000694 effects Effects 0.000 abstract description 3
- 230000009471 action Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 239000002184 metal Substances 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000011247 coating layer Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 239000002344 surface layer Substances 0.000 description 1
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Abstract
The utility model discloses a rolling head convenient to processing drum class work piece belongs to roll extrusion technical field, and it includes the cylinder base, cylinder base axial one end coaxial coupling has the fixed axle, the cylinder base rotates and is connected with a plurality of rolling posts, the rolling post uses the central axis of cylinder base to be circumference setting as the center, rolling post and cylinder base are parallel arrangement, a plurality of groove of stepping down that hold the rolling post are seted up to cylinder base lateral wall, the rolling post is along cylinder base radial sliding connection in cylinder base, the installation cavity has been seted up at cylinder base center, install the radial drive structure that the drive rolling post slided in the installation cavity. The utility model discloses have and make the rolling head can be simple wear to arrange in processing work piece hole effect.
Description
Technical Field
The utility model relates to a roll extrusion technical field, more specifically say, it relates to a roll extrusion head convenient to processing drum class work piece.
Background
The rolling head is used for applying a certain pressure to the surface of a workpiece to enable the metal on the surface layer of the workpiece to generate plastic flow and fill the plastic flow into original residual low-valley grooves, so that the roughness value of the surface of the workpiece is reduced. At normal temperature, the plastic deformation of metal is utilized to flatten the microscopic unevenness on the surface of the workpiece so as to change the surface structure, mechanical characteristics, shape and size.
At present, the chinese utility model with publication number CN202240359U discloses a hydraulic cylinder rolling head, which comprises a rotating shaft and a rolling head; rolling columns which are used for pressing the inner wall of the cylinder body and can roll are uniformly distributed on the rolling heads along the circumferential direction, and the rolling columns protrude out of the outer circumferential surface of the rolling heads; the surface of the rolling column is coated with a coating layer with hardness larger than that of the cylinder body material.
The above prior art solutions have the following drawbacks: when the rolling head rolls the inner circle, the distance between the outermost end of the rolling column and the central axis of the rolling head is larger than the radius of the inner hole of the processed workpiece, but the rolling column is cylindrical and protrudes out of the outer peripheral surface of the rolling head, so that the rolling head is difficult to penetrate into the inner hole of the processed workpiece before processing.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a rolling head convenient to processing cylinder class work piece, have the effect in putting in processing work piece hole that makes rolling head can be simple.
The above object of the present invention can be achieved by the following technical solutions: the utility model provides a rolling head convenient to processing drum class work piece, includes the cylinder base, cylinder base axial one end coaxial coupling has the fixed axle, the cylinder base rotates and is connected with a plurality of rolling posts, the rolling post uses the central axis of cylinder base to be circumference setting as the center, rolling post and cylinder base are parallel arrangement, a plurality of grooves of stepping down that hold the rolling post are seted up to cylinder base lateral wall, the rolling post is along cylinder base radial sliding connection in cylinder base, the installation cavity has been seted up at cylinder base center, install the radial drive structure that drive rolling post slided in the installation cavity.
By adopting the technical scheme, before the rolling head is penetrated in the inner hole of the machined workpiece, the radial driving structure is utilized to drive the rolling column to slide towards the central axis direction of the cylindrical base, so that the rolling head can be simply penetrated in the inner hole of the machined workpiece; then, the rolling column is driven by the radial driving structure to slide towards the direction far away from the central axis, so that the rolling column is abutted against the side wall of the inner hole of the machined workpiece, and the inner hole of the machined workpiece is rolled.
The present invention may be further configured in a preferred embodiment as: the radial driving structure comprises a driven round table and a driving round table, wherein the driven round table is coaxially and fixedly connected with the rolling column, the driving round table is rotatably connected into the cylindrical base, the side wall of the driving round table is the same as the inclination of the side wall of the driven round table, the small end faces of the driving round table and the driven round table face towards the opposite directions, and the radial driving structure further comprises a hydraulic cylinder for driving the driving round table to move axially.
By adopting the technical scheme, the hydraulic cylinder drives the driving circular truncated cone to axially move, the driven circular truncated cone slides towards the direction far away from the central axis under the action of the side wall of the driving circular truncated cone and the side wall of the driven circular truncated cone, and the driving of the rolling column is realized.
The present invention may be further configured in a preferred embodiment as: the radial driving structure comprises a transmission shaft which is coaxially and rotatably connected to the cylindrical base, the transmission shaft is coaxially penetrated in the fixed shaft and is rotatably connected with the fixed shaft, the driving round table is rotatably connected to the cylindrical base through the transmission shaft and is coaxially and fixedly connected with the cylindrical base, and the hydraulic cylinder drives the transmission shaft to slide relative to the fixed shaft.
By adopting the technical scheme, the hydraulic cylinder drives the transmission shaft to axially move, so that the driving circular truncated cone is driven to rotate.
The present invention may be further configured in a preferred embodiment as: the cylinder body of the hydraulic cylinder is fixedly connected to the fixed shaft, and a piston rod of the hydraulic cylinder is connected with the transmission shaft through a rotating bearing.
By adopting the technical scheme, the transmission shaft can be driven to axially move through the hydraulic cylinder, and when the rolling head works, the rolling column rotates to drive the driving circular truncated cone to rotate, so that the abrasion between the driving circular truncated cone and the driven circular truncated cone is reduced.
The present invention may be further configured in a preferred embodiment as: the two ends of the rolling column are coaxially and fixedly connected with driven round tables, and the two driving round tables are respectively positioned at the two ends of the cylindrical base.
Through adopting above-mentioned technical scheme, exert the thrust of keeping away from the central axis of rolling head to it from the both ends of roll extrusion post, make roll extrusion post atress more stable.
The present invention may be further configured in a preferred embodiment as: the rolling column is spindle-shaped.
By adopting the technical scheme, the resistance received by the rolling head when the rolling head axially passes through in the working process is reduced.
The present invention may be further configured in a preferred embodiment as: the middle position of the rolling column is cylindrical.
By adopting the technical scheme, the contact surface between the middle position of the rolling column and the inner hole wall of the workpiece is line-less contact or not point contact, so that the pressure applied to the workpiece is reduced.
The present invention may be further configured in a preferred embodiment as: the side walls of the two ends of the abdicating groove are provided with sliding grooves, the length direction of each sliding groove penetrates through the central axis of the cylindrical base, the sliding grooves are connected with bearing seats in a sliding mode, and the two ends of the rolling column are rotatably connected with the cylindrical base through the bearing seats.
Through adopting above-mentioned technical scheme, utilize the bearing frame to realize sliding and pivoted connection structure between roll extrusion post and the cylinder base, simple structure is stable.
To sum up, the utility model discloses a following at least one useful technological effect:
firstly, before the rolling head is penetrated in the inner hole of a machined workpiece, a radial driving structure is utilized to drive the rolling column to slide towards the central axis direction of the cylindrical base, so that the rolling head can be simply penetrated in the inner hole of the machined workpiece; then, the rolling column is driven by a radial driving structure to slide towards the direction far away from the central axis, so that the rolling column is abutted against the side wall of the inner hole of the machined workpiece, and the inner hole of the machined workpiece is rolled;
the rolling column is coaxially and fixedly connected with a driven circular truncated cone, a driving circular truncated cone is rotatably connected in the cylindrical base, the side wall of the driving circular truncated cone has the same inclination as that of the side wall of the driven circular truncated cone, the small end faces of the driving circular truncated cone and the driven circular truncated cone face opposite directions, the driving circular truncated cone is driven by a hydraulic cylinder to axially move, and the driven circular truncated cone slides in the direction away from the central axis under the action of the side wall of the driving circular truncated cone and the side wall of the driven circular truncated cone, so;
and thirdly, the two ends of the rolling column, which are far away from the fixed shaft, are in a spindle shape, the middle position of the rolling column is in a cylindrical shape, so that the resistance received by the rolling head when the rolling head axially passes through in the working process is reduced, the middle position of the rolling column is in line less contact with the contact surface of the inner hole wall of the workpiece, namely not in point contact, and the pressure applied to the workpiece is reduced.
Drawings
FIG. 1 is a schematic view of the overall structure of the present embodiment;
fig. 2 is a cross-sectional view of the radial driving structure of the present embodiment.
Reference numerals: 100. a cylindrical base; 101. rolling the column; 102. a radial drive configuration; 103. a fixed shaft; 104. a yielding groove; 105. installing a cavity; 106. a chute; 107. a bearing seat; 108. a driven circular table; 109. a drive shaft; 110. a driving circular table; 111. and a hydraulic cylinder.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Example (b): as shown in fig. 1, for the utility model discloses a rolling head convenient to processing drum class work piece, including cylindrical base 100, cylindrical base 100 circumferential direction is connected with a plurality of rolling posts 101 for treat the interior circle of processing the work piece and roll press. The rolling column 101 can slide along the cylindrical base 100 in the radial direction, and a radial driving structure 102 for driving the rolling column 101 to slide in the radial direction is installed in the cylindrical base 100.
As shown in fig. 1, before being inserted into the inner hole of the workpiece to be machined, the rolling column 101 is slid toward the central axis of the cylindrical base 100 by the radial driving mechanism 102, so that the rolling head can be simply inserted into the inner hole of the workpiece to be machined. Then, the radial driving structure 102 is used for driving the rolling column 101 to slide towards the direction away from the central axis, so that the rolling column is abutted against the side wall of the inner hole of the machined workpiece, and the inner hole of the machined workpiece is rolled.
As shown in fig. 1, a fixing shaft 103 is coaxially and fixedly connected to one end of the cylindrical base 100. The side wall of the cylindrical base 100 is provided with a plurality of abdicating grooves 104 for accommodating the rolling columns 101, the center of the cylindrical base 100 is provided with an installation cavity 105 for installing the radial driving structure 102, and the abdicating grooves 104 are communicated with the installation cavity 105. The side walls of the two ends of the receding groove 104 are provided with sliding grooves 106, and the length direction of the sliding grooves 106 passes through the central axis of the cylindrical base 100. A bearing seat 107 is slidably connected in the sliding groove 106, and both ends of the rolling column 101 are rotatably connected with the cylindrical base 100 through the bearing seats 107.
As shown in fig. 1 and 2, the radial drive structure 102 includes a driven rotary table 108 and a drive shaft 109. The driven circular truncated cones 108 are coaxially and fixedly connected to two ends of the rolling column 101, and small end faces of the two driven circular truncated cones 108 face to one end where the fixed shaft 103 is located. The transmission shaft 109 is coaxially and rotatably connected in the cylindrical base 100, the transmission shaft 109 is coaxially and fixedly connected with two driving round tables 110, and the driving round tables 110 are rotatably connected to the cylindrical base 100 through the transmission shaft 109. The side walls of the driving circular truncated cone 110 and the side walls of the driven circular truncated cone 108 have the same inclination, and the small end surfaces of the driving circular truncated cone 110 and the driven circular truncated cone 108 face in opposite directions. When the transmission shaft 109 moves towards the small end face of the driving circular truncated cone 110, the driven circular truncated cone 108 slides towards the direction far away from the central axis under the action of the side wall of the driving circular truncated cone 110 and the side wall of the driven circular truncated cone 108, and the rolling column 101 is driven.
As shown in fig. 2, one end of the transmission shaft 109 is coaxially inserted into the fixed shaft 103, and the two are rotatably connected. One end of the fixed shaft 103 is connected with a hydraulic cylinder 111. The cylinder body of the hydraulic cylinder 111 is fixedly connected to the fixed shaft 103, and the piston rod of the hydraulic cylinder 111 is connected with the transmission shaft 109 through a rotary bearing. The hydraulic cylinder 111 drives the transmission shaft 109 to move axially.
As shown in fig. 2, the rolling column 101 has a spindle shape, and its middle position is a cylindrical shape. The resistance received by the rolling head when the rolling head passes through the rolling head in the axial direction in the working process is reduced, meanwhile, the contact surface between the middle position of the rolling column 101 and the inner hole wall of the workpiece is line-less contact or not point contact, and the pressure on the workpiece is reduced.
The specific working principle of this embodiment is as follows: before the rolling head penetrates through an inner hole of a machined workpiece, the hydraulic cylinder 111 contracts to drive the transmission shaft 109 to axially move, so that the driving circular truncated cone 110 slides towards one side of the large end face of the driving circular truncated cone, the rolling column 101 can slide towards the cylindrical base 100, the outer diameter of the rolling head is reduced, and the rolling head can simply penetrate through the inner hole of the machined workpiece. Then the hydraulic cylinder 111 stretches to drive the transmission shaft 109 to move axially, so that the driving circular truncated cone 110 slides towards one side of the small end face of the driving circular truncated cone, the driven circular truncated cone 108 slides towards the direction far away from the central axis under the action of the side wall of the driving circular truncated cone 110 and the side wall of the driven circular truncated cone 108, and the rolling column 101 is abutted against the side wall of an inner hole of a machined workpiece, so that the inner hole of the machined workpiece is rolled.
The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications to the present embodiment without inventive contribution as required after reading the present specification, but all of them are protected by patent laws within the scope of the claims of the present invention.
Claims (8)
1. The utility model provides a rolling head convenient to processing drum class work piece, includes cylinder base (100), cylinder base (100) axial one end coaxial coupling has fixed axle (103), cylinder base (100) rotate and are connected with a plurality of rolling post (101), rolling post (101) use the central axis of cylinder base (100) to be circumference setting as the center, rolling post (101) and cylinder base (100) are parallel arrangement, a plurality of groove (104) of stepping down that hold rolling post (101) are seted up to cylinder base (100) lateral wall, its characterized in that: roll compression post (101) along cylinder base (100) radial sliding connection in cylinder base (100), installation cavity (105) have been seted up at cylinder base (100) center, install radial drive structure (102) that drive roll compression post (101) slided in installation cavity (105).
2. A roller head for facilitating the machining of cylindrical workpieces according to claim 1, wherein: radial drive structure (102) include driven round platform (108) of coaxial fixed connection in rolling post (101) and rotate and connect initiative round platform (110) in cylinder base (100), the inclination of the lateral wall of the round platform of taking the initiative (110) and driven round platform (108) is the same, the direction that the little terminal surface orientation back of the body was carried on back of the round platform of taking the initiative (110) and driven round platform (108), radial drive structure (102) still include drive initiative round platform (110) axial displacement's pneumatic cylinder (111).
3. A roller head for facilitating the machining of cylindrical workpieces according to claim 2, wherein: the radial driving structure (102) comprises a transmission shaft (109) which is coaxially and rotatably connected to the cylindrical base (100), the transmission shaft (109) is coaxially arranged on the fixed shaft (103) in a penetrating mode and rotatably connected with the fixed shaft (103), the driving round table (110) is rotatably connected to the cylindrical base (100) through the transmission shaft (109), the driving round table (110) is coaxially and fixedly connected with the cylindrical base (100), and the hydraulic cylinder (111) drives the transmission shaft (109) to slide relative to the fixed shaft (103).
4. A roller head for facilitating the machining of cylindrical workpieces according to claim 3, wherein: the cylinder body of the hydraulic cylinder (111) is fixedly connected to the fixed shaft (103), and a piston rod of the hydraulic cylinder (111) is connected with the transmission shaft (109) through a rotating bearing.
5. A roller head for facilitating the machining of cylindrical workpieces according to claim 4, wherein: the two ends of the rolling column (101) are coaxially and fixedly connected with driven round tables (108), and the two driving round tables (110) are respectively positioned at the two ends of the cylindrical base (100).
6. A roller head for facilitating the machining of cylindrical workpieces according to claim 5, wherein: the rolling column (101) is in a spindle shape.
7. A roller head for facilitating the machining of cylindrical workpieces according to claim 6, wherein: the middle position of the rolling column (101) is cylindrical.
8. A roller head for facilitating the machining of cylindrical workpieces according to claim 7, wherein: the slide way (106) have been seted up to the lateral wall of the groove of stepping down (104) both ends, the central axis of cylinder base (100) is passed to slide way (106) length direction, sliding connection has bearing frame (107) in slide way (106), roll-on post (101) both ends are passed through bearing frame (107) and are rotated with cylinder base (100) and be connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021095777.8U CN212311327U (en) | 2020-06-12 | 2020-06-12 | Rolling head convenient for processing cylindrical workpieces |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021095777.8U CN212311327U (en) | 2020-06-12 | 2020-06-12 | Rolling head convenient for processing cylindrical workpieces |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212311327U true CN212311327U (en) | 2021-01-08 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021095777.8U Active CN212311327U (en) | 2020-06-12 | 2020-06-12 | Rolling head convenient for processing cylindrical workpieces |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212311327U (en) |
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2020
- 2020-06-12 CN CN202021095777.8U patent/CN212311327U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A rolling head convenient for processing cylindrical workpiece Effective date of registration: 20220129 Granted publication date: 20210108 Pledgee: Laiwu Shandong rural commercial bank Limited by Share Ltd. Pledgor: Shandong Jinyan Automation Technology Co.,Ltd. Registration number: Y2022980001314 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20230104 Granted publication date: 20210108 Pledgee: Laiwu Shandong rural commercial bank Limited by Share Ltd. Pledgor: Shandong Jinyan Automation Technology Co.,Ltd. Registration number: Y2022980001314 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A rolling head convenient for machining cylindrical workpieces Effective date of registration: 20230113 Granted publication date: 20210108 Pledgee: Laiwu Shandong rural commercial bank Limited by Share Ltd. Pledgor: Shandong Jinyan Automation Technology Co.,Ltd. Registration number: Y2023980030834 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20231228 Granted publication date: 20210108 Pledgee: Laiwu Shandong rural commercial bank Limited by Share Ltd. Pledgor: Shandong Jinyan Automation Technology Co.,Ltd. Registration number: Y2023980030834 |