CN211679305U - Split roller structure convenient to assemble and disassemble - Google Patents
Split roller structure convenient to assemble and disassemble Download PDFInfo
- Publication number
- CN211679305U CN211679305U CN202020023201.4U CN202020023201U CN211679305U CN 211679305 U CN211679305 U CN 211679305U CN 202020023201 U CN202020023201 U CN 202020023201U CN 211679305 U CN211679305 U CN 211679305U
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- China
- Prior art keywords
- roller
- roll
- shaft
- tile
- section
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- 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.)
- Expired - Fee Related
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- 238000005096 rolling process Methods 0.000 claims abstract description 5
- 230000008878 coupling Effects 0.000 claims 2
- 238000010168 coupling process Methods 0.000 claims 2
- 238000005859 coupling reaction Methods 0.000 claims 2
- 238000003754 machining Methods 0.000 abstract description 5
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 238000009434 installation Methods 0.000 description 4
- 238000011900 installation process Methods 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000001360 synchronised effect Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000005482 strain hardening Methods 0.000 description 1
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Abstract
The utility model discloses a split roller structure convenient for assembly and disassembly, which comprises a roller shaft and a roller, wherein the surface of the roller is provided with a wide to narrow groove, the roller is composed of a detachable roller tile, and the roller tile comprises a connecting section, a cylindrical section and an arc groove section, wherein the connecting section and the cylindrical section are symmetrically distributed on two sides of the roller tile; splicing tables for connection are arranged at two ends of the connecting section along the circumferential direction of the roller tile; the arc-shaped groove from wide to narrow is arranged on the surface of the arc-shaped groove section, and the widths of the arc-shaped grooves on the surfaces of different roller tiles are matched with each other to form the rolling groove; the roll shaft is connected with the roll through a fixing bolt. The utility model discloses the split roll structure of installing and removing convenient to that obtains when guaranteeing machining precision, has reduced the degree of difficulty of loading and unloading heavy equipment greatly, and because the connecting hole on roll axle and the roll all sets up at fixed position, loaded down with trivial details fine setting work when having removed manual loading and unloading from has simplified work flow, has improved production efficiency by a wide margin.
Description
Technical Field
The utility model relates to a mechanical structure, especially a split roll structure convenient to install and remove.
Background
Cold pilger mills are cold working machines for producing metal pipes, in which the ductility of the metal is utilized to thin the pipe, mainly by the rotation of a grooved roll structure. In the actual processing and manufacturing process, different rollers need to be replaced according to target pipe fittings with different models and sizes. The roller assembly with rollers in the existing cold pilger mill mainly comprises a roller shaft, a synchronous gear, roller bearings arranged in pairs and rollers arranged between the roller bearings. Because the cold pilger mill is generally heavier, when needing to change the roll, must at first take the frame of cold pilger mill apart, utilize the crane to hang out the synchronous gear who takes out on the roll axle after the roll assembly and lift off, further pull down the roll bearing again, can only change the roll at last, still need assemble again in proper order after the change is accomplished, not only consuming time and difficultly, still can cause the damage to each spare part, more importantly, the assembly process all can cause the change to the transmission precision of bearing and gear at every turn to influence the machining precision.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the defects of the prior art and providing a split roller structure which is convenient for assembly and disassembly and has no need of heavy disassembly work, convenient disassembly and assembly and is fixed and reliable.
In order to achieve the above object, the utility model relates to a split roll structure convenient to install and remove, it includes roll axle and roll, the roll surface is equipped with by wide to narrow groove, characterized by that the roll comprises detachable roll tile, the roll tile includes the symmetrical distribution at the linkage segment of roll tile both sides, cylinder section and is located the arc groove section in the middle of the roll tile; connecting holes are distributed on the connecting section, each connecting hole comprises a bolt hole with threads, splicing platforms for connection are arranged at two ends of the connecting section along the circumferential direction of the roller tiles, splicing screw holes are formed in the splicing platforms, and different roller tiles are spliced mutually through splicing bolts and splicing screw holes; the surface of the arc groove section is provided with an arc groove from wide to narrow, and after the roller tiles are installed and fixed, the widths of the arc grooves on the surfaces of different roller tiles are mutually matched to form the rolling groove; the roll shaft is provided with an on-shaft screw hole corresponding to the bolt hole, the roll shaft is connected with the roll through a roll mounting bolt, and the height of the head of the roll mounting bolt is smaller than the outer diameter of the cylindrical section; in practical use, the roller can be conveniently disassembled and replaced by loosening the roller mounting screw.
In order to ensure the processing precision of the roller, the connecting holes are distributed on the connecting section at intervals of 30 degrees around the circle center of each roller shoe.
In order to facilitate installation, the connecting hole comprises a positioning pin hole besides the bolt hole, the positioning pin hole is positioned in the middle of the connecting section, and the positioning pin hole and the pin hole on the shaft are connected and positioned through a positioning pin.
The utility model discloses the split type roll structure of installing and removing convenient to that obtains, with the split type structure that the integral type structure split of roll becomes to constitute by the roll tile, when guaranteeing machining precision, has greatly reduced the degree of difficulty of loading and unloading heavy equipment, and because the connecting hole on roll axle and the roll all sets up at fixed position, loaded down with trivial details fine setting work when having removed manual loading and unloading from has simplified work flow, has improved production efficiency by a wide margin.
Drawings
FIG. 1 is a schematic structural view of an embodiment 1 of a split roll structure for easy assembly and disassembly according to the present invention;
FIG. 2 is a sectional view A-A of FIG. 1;
FIG. 3 is a sectional view of a single roll of an embodiment 2 of the split roll structure of the present invention, which is easy to assemble and disassemble;
FIG. 4 is a sectional view showing the connection and engagement of a single roll with a roll shaft in the embodiment 3 of the split roll structure convenient to assemble and disassemble according to the present invention
In the figure: the roller comprises a roller shaft 1, a roller 2, a groove 3, a splicing bolt 4, a roller mounting bolt 5, a bearing 6, a gear 7, a positioning pin 8, an on-shaft screw hole 10, an on-shaft pin hole 11, a roller tile 20, a first roller tile 21, a second roller tile 22, a roll-in roller tile 23, an intermediate roller tile 24, a roll-out roller tile 25, a head 50, an arc-shaped groove 200, a connecting section 201, a cylindrical section 202, an arc-shaped groove section 203, a connecting hole 204, a splicing table 205, a splicing screw hole 206, a bolt hole 214 and a positioning pin hole 224.
Detailed Description
The present invention will be further explained with reference to the drawings and examples.
Example 1:
the split roller structure convenient to assemble and disassemble described in this embodiment, as shown in fig. 1 and fig. 2, comprises a roller shaft 1 and a roller 2, wherein a wide to narrow groove 3 is formed on the surface of the roller 2, and is characterized in that the roller 2 is composed of a detachable roller shoe 20, and the roller shoe 20 comprises a connecting section 201, a cylindrical section 202 and an arc groove section 203 which are symmetrically distributed on two sides of the roller shoe 20; the connecting section 201 is distributed with connecting holes 204, the connecting holes 204 comprise bolt holes 214 with threads, splicing tables 205 for connection are arranged at two ends of the connecting section 201 along the circumferential direction of the roller tiles 20, splicing screw holes 206 are arranged on the splicing tables 205, and different roller tiles 20 are mutually spliced through splicing bolts 4 and splicing screw holes 206; the arc-shaped groove 200 with the width from the wide to the narrow is arranged on the surface of the arc-shaped groove section 203, and after the roller tiles 20 are installed and fixed, the widths of the arc-shaped grooves 200 on the surfaces of different roller tiles 20 are mutually matched to form the rolling groove 3; the roll shaft 1 is provided with an on-shaft screw hole 10 corresponding to the bolt hole 214, the roll shaft 1 is connected with the roll 2 through a roll mounting bolt 5, and the height of the head 50 of the roll mounting bolt 5 is smaller than the outer diameter of the cylindrical section 202; in practical use, the roller 2 can be conveniently disassembled and replaced by loosening the mounting screw of the roller 2 without disassembling the corresponding bearing 6 and the gear 7.
In this embodiment, as shown in fig. 1 and fig. 2, the roll 2 includes a first roll shoe 21 and a second roll shoe 22, and when widths of the arc-shaped grooves 200 are matched with each other to form the rolling groove 3, the following means: the narrowest end of the arcuate slot 200 in the first shoe 21 is the same width as the widest end of the arcuate slot 200 in the second shoe 22.
The split roller structure convenient to install and remove provided by the embodiment divides the integral type structure split of the roller 2 into the split type structure consisting of the roller tiles 20, and when the machining precision is guaranteed, the difficulty of loading and unloading heavy equipment is greatly reduced, and because the connecting holes 204 on the roller shaft 1 and the roller 2 are all arranged at fixed positions, the tedious fine adjustment work during manual loading and unloading is removed, the work flow is simplified, and the production efficiency is greatly improved.
Example 2:
the split roll structure for easy disassembly described in this embodiment, as shown in fig. 3, is different from the feature of embodiment 1 in that, for further easy disassembly, the roll 2 includes a roll-in shoe 23, a middle shoe 24 and a roll-out shoe 25, and the widths of the arc-shaped grooves 200 are matched to form the roll groove 3: the width of the narrowest end of the arc-shaped groove 200 on the roll-in roller shoe 23 is consistent with the width of the widest end of the arc-shaped groove 200 on the middle roller shoe 24, and the width of the narrowest end of the arc-shaped groove 200 on the middle roller shoe 24 is consistent with the width of the widest end of the arc-shaped groove 200 on the roll-out roller shoe 25.
In order to ensure the machining accuracy of the roll 2, as shown in fig. 3, the connecting holes 204 are distributed on the connecting segment 201 at intervals of 30 ° around the center of each roll shoe 20.
In the actual installation process, the roll-in roll shoe 23, the middle roll shoe 24 and the roll-out roll shoe 25 are fixed on the roll shaft 1 sequentially through the roll installation bolt 5, and all the roll shoes 20 are connected and fixed through the splicing bolts 4.
In the split roller structure convenient to assemble and disassemble provided by the embodiment, the roller shoe 20 is split into three sections, and a manufacturer can process raw materials with different initial sizes into pipe fittings with the same size only by replacing the rolling-in roller shoe 23 and the middle roller shoe 24 with different arc-shaped groove 200 sizes.
Example 3:
the split roll structure for easy mounting and dismounting described in this embodiment, as shown in fig. 4, is different from embodiment 1 in that, for the convenience of mounting, the connection hole 204 includes a positioning pin hole 224 in addition to the bolt hole 214, the positioning pin hole 224 is located in the middle of the connection segment 201, and the positioning pin hole 224 and the on-shaft pin hole 11 are connected and positioned by the positioning pin 8.
The split roller structure convenient to assemble and disassemble provided by the embodiment adopts the positioning pin 8 to position the roller tiles before installation, so that the installation precision is ensured, and the installation process is simplified.
Claims (3)
1. A split type roller structure convenient to assemble and disassemble comprises a roller shaft (1) and a roller (2), wherein a wide to narrow groove (3) is formed in the surface of the roller (2), and the split type roller structure is characterized in that the roller (2) is composed of a detachable roller tile (20), and the roller tile (20) comprises connecting sections (201) and cylindrical sections (202) which are symmetrically distributed on two sides of the roller tile (20) and an arc groove section (203) located in the middle of the roller tile (20); connecting holes (204) are distributed on the connecting section (201), the connecting holes (204) comprise bolt holes (214) with threads, splicing tables (205) for connection are arranged at two ends of the connecting section (201) along the circumferential direction of the roller tiles (20), splicing screw holes (206) are formed in the splicing tables (205), and different roller tiles (20) are spliced with each other through splicing bolts (4) and the splicing screw holes (206); the surface of the arc groove section (203) is provided with an arc groove (200) from wide to narrow, and after the roller tiles (20) are installed and fixed, the widths of the arc grooves (200) on the surfaces of different roller tiles (20) are mutually matched to form the rolling groove (3); the roll shaft (1) is provided with an on-shaft screw hole (10) corresponding to the bolt hole (214), the roll shaft (1) is connected with the roll (2) through a roll mounting bolt (5), and the height of the head (50) of the roll mounting bolt (5) is smaller than the outer diameter of the cylindrical section (202).
2. The split roller structure facilitating assembly and disassembly as claimed in claim 1, wherein the coupling holes (204) are distributed on the coupling segments (201) at intervals of 30 ° around the center of the circle of each roller shoe (20).
3. The split roller structure convenient for assembly and disassembly as claimed in claim 1 or 2, wherein the connecting hole (204) further comprises a positioning pin hole (224), the positioning pin hole (224) is positioned in the middle of the connecting section (201), an on-shaft pin hole (11) corresponding to the positioning pin hole (224) is arranged on the roller shaft (1), and the positioning pin hole (224) and the on-shaft pin hole (11) are connected and positioned through a positioning pin (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020023201.4U CN211679305U (en) | 2020-01-07 | 2020-01-07 | Split roller structure convenient to assemble and disassemble |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020023201.4U CN211679305U (en) | 2020-01-07 | 2020-01-07 | Split roller structure convenient to assemble and disassemble |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211679305U true CN211679305U (en) | 2020-10-16 |
Family
ID=72799323
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020023201.4U Expired - Fee Related CN211679305U (en) | 2020-01-07 | 2020-01-07 | Split roller structure convenient to assemble and disassemble |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211679305U (en) |
-
2020
- 2020-01-07 CN CN202020023201.4U patent/CN211679305U/en not_active Expired - Fee Related
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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 |
Granted publication date: 20201016 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |