CN217045600U - Multi-roller automatic centering device - Google Patents
Multi-roller automatic centering device Download PDFInfo
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- CN217045600U CN217045600U CN202220513021.3U CN202220513021U CN217045600U CN 217045600 U CN217045600 U CN 217045600U CN 202220513021 U CN202220513021 U CN 202220513021U CN 217045600 U CN217045600 U CN 217045600U
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- roller
- carrier roller
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Abstract
The utility model discloses a multi-roller automatic centering device, wherein a first hinge part is arranged at a first part of a main bracket, a second hinge part is arranged at a second part of the main bracket, and a third hinge part is arranged at a third part of the main bracket; a fourth movable mounting part is arranged at the first part of the second roller carrier, a fifth movable mounting part is arranged at the second part of the second roller carrier, a sixth movable mounting part is arranged at the third part of the second roller carrier, and the fourth movable mounting part of the second roller carrier is hinged with the third hinge part of the main bracket; the first carrier roller is hinged with a second movable mounting part of the first carrier roller frame; the second carrier roller is hinged with a third movable mounting part of the first carrier roller frame; the third carrier roller is hinged with a fifth movable mounting part of the second carrier roller frame; the fourth carrier roller is hinged with a sixth movable mounting part of the second carrier roller frame. The utility model can make the stress of the parts uniform and the adjustment easy.
Description
Technical Field
The utility model relates to a multiroll automatic centering device.
Background
In the machining and manufacturing industry, different machining equipment is required to be used for machining any product, and the setting of the positioning reference of the machined product is the premise of ensuring the quality of the machined product; in enterprises, accurate positioning benchmark setting is very important for large-scale products.
In the machining industry, various centering devices and devices are applied to various parts, but the centering devices are less popular in application of large-size and large-tonnage workpieces, namely high cost is needed.
The single piece of a large barrel class of the company weighs approximately 95 tons, which presents a challenge in designing a centralizer of the type that can carry such a weight. And the two rollers that have matured on the market, four-roller automatic centering device have not satisfied the bearing of this product far away, even if just establish, the use of super large volume, the chooseing of large-scale bearing, large-scale bearing roller also is not conform to actual use requirement completely.
SUMMERY OF THE UTILITY MODEL
The utility model provides a multiroll automatic centering device, the utility model discloses enable the part atress even, the adjustment is easy going.
Multi-roller automatic centering device includes two centering mechanism at least, and every centering mechanism includes:
a base;
the first part of the main bracket is provided with a first hinge part, the second part of the main bracket is provided with a second hinge part, the third part of the main bracket is provided with a third hinge part, and the first hinge part is hinged with the base;
the first part of the first roller carrier is provided with a first movable mounting part, the second part of the first roller carrier is provided with a second movable mounting part, the third part of the first roller carrier is provided with a third movable mounting part, and the first movable mounting part of the first roller carrier is hinged with a second hinged part of the main bracket;
the first part of the second roller carrier is provided with a fourth movable mounting part, the second part of the second roller carrier is provided with a fifth movable mounting part, the third part of the second roller carrier is provided with a sixth movable mounting part, and the fourth movable mounting part of the second roller carrier is hinged with the third hinge part of the main bracket;
the first carrier roller is used for supporting the part and is hinged with the second movable mounting part of the first carrier roller frame;
a second carrier roller for supporting the part, wherein the second carrier roller is hinged with a third movable mounting part of the first carrier roller frame;
a third carrier roller for supporting the part, wherein the third carrier roller is hinged with a fifth movable mounting part of the second carrier roller frame;
and a fourth carrier roller for supporting the part, wherein the fourth carrier roller is hinged with a sixth movable mounting part of the second carrier roller frame.
The utility model discloses an automatic centring means can bear the part of heavy weight, for example 95 tons a section of thick bamboo class part, and main bracket, first bearing roller frame, the first bearing roller of second bearing roller frame, second bearing roller, third bearing roller, fourth bearing roller are rationally distributed, the atress is even, the transmission is steady. The utility model discloses a multiroll supports not only can reach automatic centering and play the location accuracy to large-scale section of thick bamboo class or axle type part, and this kind of structure also is applicable to small-size part moreover. Therefore, the method has the characteristic of wide application range.
The utility model has the advantages that:
1. the multi-roller automatic centering device has the advantages of simple structure, reasonable layout, convenient manufacture, uniform stress and easy adjustment.
2. Under any condition, each roller can well support a workpiece, so that the multi-roller automatic centering device is uniform in stress and stable in rotation.
3. The center height of the workpiece can be adjusted simply by adjusting the large base of the roller on one side, so that the method is time-saving, labor-saving, simple and feasible.
Drawings
FIG. 1 is a drawing of a multi-roll self-centering device in cooperation with a part;
FIG. 2 is a block diagram of a single centering mechanism;
FIG. 3 is a schematic view of a main carriage;
fig. 4 is an assembly view of the first idler frame with the first idler and the second idler;
reference numbers in the figures:
the part support device comprises a base 1, a main bracket 2, a first carrier roller frame 3, a second carrier roller frame 4, a first carrier roller 5, a second carrier roller 6, a third carrier roller 7, a fourth carrier roller 8 and a part A.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
As shown in fig. 1 to 4, the multi-roller self-centering device of the present invention comprises at least two centering mechanisms, in this embodiment, the number of the centering mechanisms is four, and every two centering mechanisms form a group and are respectively disposed at one end of the part, i.e., each end of the part a has two centering mechanisms, and the two centering mechanisms in each group are symmetrically disposed.
Each centering mechanism comprises a base 1, a main bracket 2, a first idler frame 3, a second idler frame 4, a first idler 5, a second idler 6, a third idler 7 and a fourth idler 8, and each part and the relationship among the parts in the centering mechanism are explained in detail as follows:
the first position of the main bracket 2 is provided with a first hinge part, the second position of the main bracket 2 is provided with a second hinge part, the third position of the main bracket 2 is provided with a third hinge part, the first hinge part is hinged with the base 1, the central connecting line of the three hinge parts of the main bracket 2 forms a triangle, in the embodiment, the main bracket 2 has three corner parts in total, the first position is the first corner part of the main bracket 2, the second position is the second corner part of the main bracket 2, the third position is the third corner part of the main bracket 2, the shape of the main bracket 2 is similar to the triangle, and when the second position or the third position of the main bracket 2 is stressed, the main bracket 2 can conveniently swing by using the hinge center of the main bracket 2 and the base 1.
A first movable mounting part is arranged at a first part of the first roller frame 3, a second movable mounting part is arranged at a second part of the first roller frame 3, a third movable mounting part is arranged at a third part of the first roller frame 3, the first movable mounting part of the first roller frame 3 is hinged with a second hinge part of the main bracket 2, and the central connecting lines of the three movable mounting parts of the first roller frame 3 form a triangle.
A fourth movable mounting part is arranged at the first part of the second roller frame 4, a fifth movable mounting part is arranged at the second part of the second roller frame 4, a sixth movable mounting part is arranged at the third part of the second roller frame 4, and the fourth movable mounting part of the second roller frame 4 is hinged with the third hinging part of the main bracket 2; the connecting lines of the centers of the three movable installation parts of the second roller frame 4 form a triangle.
The first carrier roller 5 is used for supporting parts, the first carrier roller 5 is hinged to a second movable installation part of the first carrier roller frame 3, the second carrier roller 6 is used for supporting parts, the second carrier roller 6 is hinged to a third movable installation part of the first carrier roller frame 3, the third carrier roller 7 is used for supporting parts, the third carrier roller 7 is hinged to a fifth movable installation part of the second carrier roller frame 4, the fourth carrier roller 8 is used for supporting parts, and the fourth carrier roller 8 is hinged to a sixth movable installation part of the second carrier roller frame 4. The first carrier roller 5, the second carrier roller 6, the third carrier roller 7 and the fourth carrier roller 8 are respectively matched with the circumferential surface of the part A, so that the part A is supported by the first carrier roller 5, the second carrier roller 6, the third carrier roller 7 and the fourth carrier roller 8, the first carrier roller 5 and the second carrier roller 6 are respectively hinged with the first carrier roller frame 3, and the third carrier roller 7 and the fourth carrier roller 8 are respectively hinged with the second carrier roller frame 4, so that when the part A rotates under stress, the first carrier roller 5, the second carrier roller 6, the third carrier roller 7 and the fourth carrier roller 8 can also rotate under the action of friction, and conversely, when the carrier rollers rotate, the supported part A can also rotate under the action of friction.
Due to the hinging of the parts, when one end of the part A is placed on two centering mechanisms which are symmetrically arranged, the main bracket 2, the first carrier roller frame 3 and the second carrier roller frame 4 automatically rotate under the action of the gravity of the part A, and the axes of the arc lines passing through the first carrier roller 5, the second carrier roller 6, the third carrier roller 7 and the fourth carrier roller 8 are automatically aligned with the axis of the part A, so that the automatic centering function is realized.
A first included angle alpha is formed by a connecting line of the center of the second hinging part of the main bracket 2 and the center of the part A and a connecting line of the center of the third hinging part of the main bracket 2 and the center of the part A, the first included angle alpha is 23-25 degrees, a connecting line of the center of the first carrier roller 5 and the center of the part A, a second included angle beta 1 is formed by the connecting line of the center of the second carrier roller 6 and the center of the part A, the second included angle beta 1 is 11-13 degrees, the connecting line of the center of the third carrier roller 7 and the center of the part, a third included angle beta 2 is formed by a connecting line of the center of the fourth carrier roller 8 and the center of the part, the third included angle beta 2 is 11-13 degrees, the first carrier roller 5, the second carrier roller 6, the third carrier roller 7 and the fourth carrier roller 8 are sequentially arranged from the inner side to the outer side of the part A, a fourth included angle beta 3 is formed by a connecting line of the center of the first carrier roller 5 and the center of the part A and the diameter of the part A, and the fourth included angle beta 3 is 8-10 degrees.
In this embodiment, the first included angle α is preferably 24 °, the second included angle β 1 is preferably 12 °, the third included angle β 2 is preferably 12 °, and the fourth included angle β 3 is preferably 9 °.
Due to the limitation of the assembly structure, considering the comprehensive consideration of the structure of the automatic centering device, the outer diameter of the carrier roller and the like, applying abundant practical experience and theoretical knowledge accumulated for many years in daily work to the detailed plan of the multi-roller automatic centering device, carrying out repeated detailed calculation for many times, considering the limitation of the appearance size of the structure and other series of matching parts and analysis and calculation of stress, and finally determining that the included angle formed between the connecting line of the center of the fourth carrier roller 8 positioned at the outermost side and the center of the part A and the diameter of the part A is 45 degrees, the central single-side included angle formed between the connecting line of the center of the first carrier roller 5 positioned at the innermost side and the center of the part A and the diameter of the part A is 9 degrees, namely the fourth included angle beta 3 is 9 degrees.
As is apparent from fig. 1, under any condition, the first carrier roller 5, the second carrier roller 6, the third carrier roller 7 and the fourth carrier roller 8 can well support the part a, so that the requirements of uniform stress and stable rotation are met, the service life is greatly prolonged, and the cost is relatively reduced. In the manufacturing of the multi-roller self-centering device, the single component is relatively small, so that the manufacturing precision of each component is also strongly guaranteed. Due to the structural particularity of the multi-roller automatic centering device, the center height of a workpiece is adjusted relatively simply, and only one side of the main bracket 2 needs to be adjusted, so that the multi-roller automatic centering device is time-saving, labor-saving, simple and feasible.
Claims (10)
1. Multi-roller automatic centering device includes two centering mechanism at least, its characterized in that, every centering mechanism includes:
a base (1);
the base comprises a main bracket (2), wherein a first hinge part is arranged at a first part of the main bracket (2), a second hinge part is arranged at a second part of the main bracket (2), a third hinge part is arranged at a third part of the main bracket (2), and the first hinge part is hinged with the base (1);
the roller support comprises a first roller support frame (3), wherein a first movable mounting part is arranged at a first part of the first roller support frame (3), a second movable mounting part is arranged at a second part of the first roller support frame (3), a third movable mounting part is arranged at a third part of the first roller support frame (3), and the first movable mounting part of the first roller support frame (3) is hinged with a second hinge part of a main bracket (2);
the first part of the second roller support frame (4) is provided with a fourth movable installation part, the second part of the second roller support frame (4) is provided with a fifth movable installation part, the third part of the second roller support frame (4) is provided with a sixth movable installation part, and the fourth movable installation part of the second roller support frame (4) is hinged with the third hinge part of the main bracket (2);
a first carrier roller (5) for supporting the part, wherein the first carrier roller (5) is hinged with a second movable mounting part of the first carrier roller frame (3);
a second carrier roller (6) for supporting the part, wherein the second carrier roller (6) is hinged with a third movable mounting part of the first carrier roller frame (3);
a third carrier roller (7) for supporting the part, wherein the third carrier roller (7) is hinged with a fifth movable mounting part of the second carrier roller frame (4);
a fourth carrier roller (8) for supporting the part, wherein the fourth carrier roller (8) is hinged with a sixth movable mounting part of the second carrier roller frame (4).
2. The multi-roll self-centering device according to claim 1, wherein the number of the centering mechanisms is four, two centering mechanisms are grouped and respectively arranged at one end of the part, and the two centering mechanisms in each group are symmetrically arranged.
3. A multi-roller self-centring device according to claim 1, in which the line joining the centre of the second articulation of the main cradle (2) and the centre of the part forms a first angle (α) with the line joining the centre of the third articulation of the main cradle (2) and the centre of the part, the first angle (α) being between 23 ° and 25 °.
4. A multi-roller self-centring device according to claim 3, characterized in that the first included angle (α) is 24 °.
5. A multi-roller self-centring device according to claim 1, in which the line joining the centre of the first idler roller (5) and the centre of the part forms a second angle (β 1) with the line joining the centre of the second idler roller (6) and the centre of the part, the second angle (β 1) being between 11 ° and 13 °.
6. Multi-roller self-centering device according to claim 5, characterized in that the second angle (β 1) is 12 °.
7. A multi-roller self-centring device according to claim 1, in which the line joining the centre of the third idler roller (7) and the centre of the element forms a third angle (β 2) with the line joining the centre of the fourth idler roller (8) and the centre of the element, the third angle (β 2) being between 11 ° and 13 °.
8. Multi-roller self-centring device according to claim 7, characterized in that the third included angle (β 2) is 12 °.
9. The multi-roller automatic centering device according to claim 1, wherein the first carrier roller (5), the second carrier roller (6), the third carrier roller (7) and the fourth carrier roller (8) are sequentially arranged from the inner side to the outer side of the part, a fourth included angle (β 3) is formed between a line connecting the center of the first carrier roller (5) and the center of the part and the diameter of the part, and the fourth included angle (β 3) is 8-10 °.
10. Multi-roller self-centring device according to claim 1, characterized in that the fourth included angle (β 3) is 9 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220513021.3U CN217045600U (en) | 2022-03-10 | 2022-03-10 | Multi-roller automatic centering device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220513021.3U CN217045600U (en) | 2022-03-10 | 2022-03-10 | Multi-roller automatic centering device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217045600U true CN217045600U (en) | 2022-07-26 |
Family
ID=82490217
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220513021.3U Active CN217045600U (en) | 2022-03-10 | 2022-03-10 | Multi-roller automatic centering device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217045600U (en) |
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2022
- 2022-03-10 CN CN202220513021.3U patent/CN217045600U/en active Active
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