CN110842628B - Precise rotating device for reducing cylinder - Google Patents
Precise rotating device for reducing cylinder Download PDFInfo
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- CN110842628B CN110842628B CN201911308646.5A CN201911308646A CN110842628B CN 110842628 B CN110842628 B CN 110842628B CN 201911308646 A CN201911308646 A CN 201911308646A CN 110842628 B CN110842628 B CN 110842628B
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- 239000003638 chemical reducing agent Substances 0.000 description 1
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- 230000004048 modification Effects 0.000 description 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q7/00—Arrangements for handling work specially combined with or arranged in, or specially adapted for use in connection with, machine tools, e.g. for conveying, loading, positioning, discharging, sorting
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Abstract
The invention discloses a precision rotating device for a variable-diameter cylinder, which adopts N groups of wrapping belts to clamp the variable-diameter cylinder, wherein N is a positive integer more than or equal to 2, the N groups of wrapping belts are axially distributed along the variable-diameter cylinder, and each group of wrapping belts tightly holds the variable-diameter cylinder along the circumferential direction of the variable-diameter cylinder; m support rods are arranged along the circumference of the diameter-variable cylinder body in an outward distribution manner, wherein M is a positive integer more than or equal to 2; the M support rods are used as slewing brackets, and two ends of the M support rods are connected with a slewing driving mechanism; each group of wrapping belts is connected with the corresponding supporting rods through a plurality of adjusting rods, and the axes of the reducing cylinder body are overlapped with the rotation axes of the M supporting rods by positioning the relative positions of the supporting rods and the reducing cylinder body through the adjusting rods. The invention is beneficial to solving the problem that the diameter-variable cylinder without a supporting shaft is difficult to align the rotation axis of the diameter-variable cylinder, reduces the coaxiality error of the rotation axis on the fixedly connected base, and effectively realizes higher-precision rotation operation.
Description
Technical Field
The invention relates to the technical field of rotary equipment, in particular to a precision rotary device for a variable-diameter cylinder.
Background
The cylinder rotating device generally consists of a rotating support, a rotating mechanism and a turntable. The existing rotating device is difficult to help the diameter-variable cylinder parts to align the axes of the rotating device to realize rotation, and when the axes of the diameter-variable cylinder and the rotating axis of the rotating device are offset in a dislocation manner, normal production operation is affected and a large potential safety hazard exists when the axes are not coaxial; in particular, for the parts such as the weak rigid shell, the auxiliary movement and positioning of the parts are more difficult.
Disclosure of Invention
The invention provides a precise revolving device for hoisting and aligning a belting of a variable-diameter cylinder, which is particularly suitable for large-scale weak-rigidity shell cylinders, in order to solve the problems that the variable-diameter cylinder without a supporting shaft is difficult to align a revolving axis of the variable-diameter cylinder, reduce coaxiality errors of the revolving axis on a fixedly connected base and realize higher precision autorotation.
The invention is realized by the following technical scheme:
a method for positioning the rotation axis of a variable-diameter cylinder body comprises the steps of clamping the variable-diameter cylinder body by N groups of wrapping bands, wherein N is a positive integer more than or equal to 2, the N groups of wrapping bands are distributed along the axial direction of the variable-diameter cylinder body, and each group of wrapping bands tightly clamps the variable-diameter cylinder body along the circumferential direction of the variable-diameter cylinder body; m support rods are arranged along the circumference of the diameter-variable cylinder body in an outward distribution manner, wherein M is a positive integer more than or equal to 2; the M support rods are used as slewing brackets, and two ends of the M support rods are connected with a slewing driving mechanism; each group of wrapping belts is connected with the corresponding supporting rods through a plurality of adjusting rods, and the axes of the reducing cylinder body are overlapped with the rotation axes of the M supporting rods by positioning the relative positions of the supporting rods and the reducing cylinder body through the adjusting rods.
Further, each group of belts is a ring-shaped hoop structure holding reducing cylinder body formed by buckling two semicircular belts.
Further, N groups of wrapping belts are respectively clamped at different diameter sections of the reducing cylinder.
Further, on the radial section of the variable-diameter cylinder, the length of each adjusting rod is designed to have a specified proportional relation with the diameter of the diameter section of the variable-diameter cylinder, and the distances from the axes of all the supporting rods to the rotation axis of the variable-diameter cylinder are equal by adjusting the connection positions of the supporting rods relative to the axial direction of the adjusting rods.
Further, one end of the adjusting rod is screwed with a thread structure arranged on the bag belt; the other end of the adjusting rod extends outwards along the radial direction of the reducing cylinder body and penetrates through the supporting rod to be connected with the supporting rod.
Further, the lengths of the adjusting rods are uniformly designed, so that the distances from the outer end surfaces of all the adjusting rods to the axial lead of the reducing cylinder are equal on the radial section of the reducing cylinder; the axial extension direction of the outer side surface of the support rod is designed to be parallel to the axis of the support rod, and when the adjusting rods are connected with the support rod, the distances from the end surfaces of all the adjusting rods extending outwards to the outer side surface of the support rod are equal.
Further, for each group of the straps, an adjusting rod is firstly adopted to connect the straps with the supporting rod, and two groups of nuts are adopted to be screwed at the outwards extending end parts of the adjusting rods, so that the supporting rod is tightly pressed between the two nuts; the rest adjusting rods are connected with the supporting rods through nuts and gaskets, the nuts are screwed on the adjusting rod sections at the outer side faces of the supporting rods, and the gaskets are tightly pressed between the inner side faces of the supporting rods and the end faces of the thread structures on the wrapping belts.
A diameter-variable cylinder precise rotary device comprises a plurality of groups of wrapping belts and a plurality of supporting rods; the wrapping bands are used for clamping the variable-diameter cylinder body along the circumferential direction, and a plurality of groups of wrapping bands are axially distributed along the variable-diameter cylinder body; the plurality of support rods are distributed in a circular ring along the circumferential direction of the variable-diameter cylinder body, and all the support rods are connected with the rotary driving mechanism; each group of belts is connected with the supporting rod at the corresponding position through a plurality of adjusting rods; the adjusting rod is used for positioning the relative positions of the supporting rods and the reducing cylinder body, so that the axis of the reducing cylinder body is overlapped with the rotation axes of all the supporting rods; the utility model provides a diameter-variable cylinder precise rotary device which is used for realizing the method for positioning the rotary axis of the diameter-variable cylinder.
Further, one end of the adjusting rod is screwed with a thread structure arranged on the bag belt; the other end of the adjusting rod extends outwards along the radial direction of the reducing cylinder body and penetrates through the supporting rod to be connected with the supporting rod.
Further, on the radial section of the variable-diameter cylinder, the distances from the outer end surfaces of all the adjusting rods to the axial line of the variable-diameter cylinder are equal; the axial extension direction of the outer side surface of the support rod is parallel to the axis of the support rod, and the distances from the end surfaces of all the adjusting rods extending outwards to the outer side surface of the support rod are equal.
Further, for each group of the wrapping bands, for one adjusting rod, the two groups of nuts are screwed on the end parts of the outwards extending adjusting rods, so that the supporting rods are tightly pressed between the two nuts; the rest adjusting rods are connected with the supporting rods through nuts and gaskets, the nuts are screwed on the adjusting rod sections at the outer side faces of the supporting rods, and the gaskets are tightly pressed between the inner side faces of the supporting rods and the end faces of the thread structures on the wrapping belts.
The invention has the following advantages and beneficial effects:
The invention provides a precise revolving device for hoisting and aligning a belting of a variable-diameter cylinder, which is particularly suitable for large-scale weak-rigidity shell cylinders, in order to solve the problems that the variable-diameter cylinder without a supporting shaft is difficult to align a revolving axis of the variable-diameter cylinder, reduce coaxiality errors of the revolving axis on a fixedly connected base and realize higher precision autorotation. The rotary shaft of the positioning support rod of the shell of the reducing cylinder is utilized, a plurality of support rod combinations distributed along the peripheral circumference of the reducing cylinder are used as main supports of the rotary mechanism, so that the coaxial arrangement of the reducing cylinder and the rotary supports is realized, and the problem that the reducing cylinder is difficult to realize higher-precision horizontal rotation is solved.
Drawings
The accompanying drawings, which are included to provide a further understanding of embodiments of the application and are incorporated in and constitute a part of this specification, illustrate embodiments of the application and together with the description serve to explain the principles of the application. In the drawings:
FIG. 1 is a schematic structural view of a horizontal aligning device for hoisting a belt of a reducing cylinder;
FIG. 2 is a partial view of an adjustment lever connection, positioned using a nut;
FIG. 3 is a partial view of an adjustment lever connection, using nuts and shims for positioning;
fig. 4 is a partial view of a bearing support.
In the drawings, the reference numerals and corresponding part names: the device comprises a 1-wrapping belt, a 2-supporting rod, a 3-adjusting rod, a 4-reducing cylinder, a 5-nut, a 6-gasket, a 7-supporting disc, an 8-bearing support, a 9-bearing, a 10-motor, an 11-heightening support, a 12-cushion block, a 13-base, a 14-lifting ring screw and a 15-motor support.
Detailed Description
For the purpose of making apparent the objects, technical solutions and advantages of the present invention, the present invention will be further described in detail with reference to the following examples and the accompanying drawings, wherein the exemplary embodiments of the present invention and the descriptions thereof are for illustrating the present invention only and are not to be construed as limiting the present invention.
Example 1
The embodiment provides a method for positioning the rotation axis of a variable-diameter cylinder, which adopts N groups of wrapping belts to clamp the variable-diameter cylinder, wherein N is a positive integer more than or equal to 2, N groups of wrapping belts are axially distributed along the variable-diameter cylinder, and each group of wrapping belts tightly holds the variable-diameter cylinder along the circumferential direction of the variable-diameter cylinder; m support rods are arranged along the circumference of the diameter-variable cylinder body in an outward distribution manner, wherein M is a positive integer more than or equal to 2; the M support rods are used as slewing brackets, and two ends of the M support rods are connected with a slewing driving mechanism; each group of wrapping belts is connected with the corresponding supporting rods through a plurality of adjusting rods, and the axes of the reducing cylinder body are overlapped with the rotation axes of the M supporting rods by positioning the relative positions of the supporting rods and the reducing cylinder body through the adjusting rods.
And respectively clamping N groups of belts at different diameter sections of the reducing cylinder. On the radial section of the variable-diameter cylinder body, the length of each adjusting rod is designed to have a specified proportional relation with the diameter of the diameter section of the variable-diameter cylinder body, and the distances from the axes of all the supporting rods to the rotation axis of the variable-diameter cylinder body are equal by adjusting the connection positions of the supporting rods relative to the axial direction of the adjusting rods. One end of the adjusting rod is screwed with a thread structure arranged on the bag belt; the other end of the adjusting rod extends outwards along the radial direction of the reducing cylinder body and penetrates through the supporting rod to be connected with the supporting rod. The lengths of the adjusting rods are uniformly designed, so that the distances from the outer end surfaces of all the adjusting rods to the axial lead of the reducing cylinder are equal on the radial section of the reducing cylinder; the axial extension direction of the outer side surface of the support rod is designed to be parallel to the axis of the support rod, and when the adjusting rods are connected with the support rod, the distances from the end surfaces of all the adjusting rods extending outwards to the outer side surface of the support rod are equal.
For each group of straps, an adjusting rod is firstly adopted to connect the straps with the supporting rod, and two groups of nuts are adopted to be screwed at the end part of the adjusting rod extending outwards, so that the supporting rod is tightly pressed between the two nuts; the rest adjusting rods are connected with the supporting rods through nuts and gaskets, the nuts are screwed on the adjusting rod sections at the outer side faces of the supporting rods, and the gaskets are tightly pressed between the inner side faces of the supporting rods and the end faces of the thread structures on the wrapping belts.
Example 2
The embodiment provides a reducing cylinder body rotating device, which comprises two groups of wrapping bands 1 and four supporting rods 2. The two groups of belts 1 are divided into a large belt and a small belt according to the inner diameter, each group of belts 1 clamps the variable-diameter cylinder 4 along the circumferential direction, the two groups of belts 1 are distributed along the axial direction of the variable-diameter cylinder 4, and the two groups of belts 1 are respectively clamped on the large-diameter section and the small-diameter section of the variable-diameter cylinder 4. The four support rods 2 are distributed in a circular ring at equal intervals along the circumferential direction of the diameter-variable cylinder 4, and the two axial ends of all the support rods 2 are connected with a rotary driving mechanism. Each group of the belts 1 is connected with the supporting rods 2 at the corresponding positions through four adjusting rods 3. The adjusting rod 3 is used for positioning the relative positions of the supporting rods 2 and the reducing cylinder 4, so that the axis of the reducing cylinder 4 is coincident with the rotation axes of all the supporting rods 2.
The two end rod sections of the adjusting rod 3 are threaded sections, and one end of the adjusting rod 3 is screwed with a threaded structure arranged on the strap 1; the other end of the adjusting rod 3 extends outwards through the supporting rod 2 along the radial direction of the reducing cylinder 4 to realize connection with the supporting rod 2. On the radial section of the reducing cylinder 4, the distances from the outer end surfaces of all the adjusting rods 3 to the axial lead of the reducing cylinder 4 are equal; the axial extension direction of the outer side surface of the support rod 2 is parallel to the axis of the support rod 2, and the distances from the outwardly extending end surfaces of all the adjusting rods 3 to the outer side surface of the support rod 2 are equal. For each group of the wrapping bands 1, for one adjusting rod 3, the end part of the adjusting rod 3 extending outwards is screwed by two groups of nuts 5, so that the supporting rod 2 is tightly pressed between the two nuts 5; the rest adjusting rods 3 are connected with the supporting rods 2 by nuts 5 and gaskets 6, the nuts 5 are screwed on the adjusting rod 3 sections at the outer side faces of the supporting rods 2, and the gaskets 6 are tightly pressed between the inner side faces of the supporting rods 2 and the end faces of the thread structures on the wrapping bands 1. Each group of strap 1 comprises two semicircular straps which are mutually buckled to tightly hold the diameter-variable cylinder body along the circumferential direction to form a circular hoop structure. The multiple groups of wrapping bands 1 are respectively used for clamping at different diameter sections of the variable-diameter cylinder 4, and the inner surfaces of the wrapping bands 1 are adaptively wrapped on conical surface cylinder sections or cylindrical surface cylinder sections of the variable-diameter cylinder 4.
The rotary driving mechanism comprises a supporting disc 7, a bearing support 8, a bearing 9 and a motor 10, wherein the supporting disc 7 is in a disc structure; the two axial ends of all the support rods 2 are respectively connected with the support plates 7 on the same side, and the support plates 7 on the two sides are respectively connected with the bearing support 8; the bearing 8 in the bearing support 8 is connected with the output end of the motor 10, the rotation of the diameter-variable cylinder 4 is realized by the driving of the motor 10, and the axis of the diameter-variable cylinder 4, the rotation axis of the supporting rod 2, the axis of the supporting disc 7 and the axis of the bearing are overlapped. The height-adjusting support is characterized by further comprising a height-adjusting support 11, wherein the bearing support 8 is arranged on the height-adjusting support 11 and the cushion block 12, and the height-adjusting support 11 is used for adjusting the heights of the bearing supports 8 on two sides of the support rod 2; the cushion block 12 is used for supporting the reducing cylinder.
Example 3
The application method of the reducing cylinder body turning device provided in the embodiment 2 comprises the following steps:
Step 1, installing a cushion block 12 on a base 13; the cushion block 12 is fixedly connected to the base 13 through threads, the cushion block 12 is divided into a low cushion block and a high cushion block according to different heights, the low cushion block is used for supporting a large-diameter section of the variable-diameter cylinder 4, and the high cushion block is used for supporting a small-diameter section of the variable-diameter cylinder 4;
step 2, placing the reducing cylinder 4 on a low cushion block and a high cushion block;
Step3, buckling and clasping the conical surface of the large-diameter section of the variable-diameter cylinder 4 by using a pair of semicircular large straps, and buckling and clasping the cylindrical surface of the small-diameter section of the variable-diameter cylinder 4 by using a pair of semicircular small straps;
And 4, dividing the adjusting rod 3 into a short adjusting rod and a long adjusting rod according to different lengths. Two short adjusting rods are screwed into threaded holes of the semicircular large bag belt, the short adjusting rods extend outwards along the radial direction of the section of the diameter-changing cylinder body 4, and the extending ends of the short adjusting rods are connected with the two supporting rods 2. The other two short adjusting rods are connected with the other semicircular large bag belt and the supporting rod 2 in the same way, and the buckled complete circular bag belt stretches out four adjusting rods 3 which are uniformly distributed at 360 degrees;
and 5, the distance from the end surface of the radially outwards extending end of the adjusting rod 3 to the axis of the rotary shaft of the reducing cylinder 4 is equal. The relative positions of the support rod 2 and the adjusting rod 3 are fixed by adjusting the positions of the two nuts 5 on a short adjusting rod, as shown in fig. 2.
Measuring and obtaining the distance D1 from the end surface of the radially outward extending end of the short adjusting rod to the outer side surface of the supporting rod 2 and the distance D2 from the lower surface of the supporting rod 2 to the end surface of the tape thread structure, selecting a gasket 6 with proper thickness according to the distance D1 and the distance D2, and arranging the gasket between the end surfaces of the tape thread structure at the positions of the three other short adjusting rods and the lower surface of the supporting rod 2, wherein the distance D1 is equal to the value D1 between the adjusting rods 3 and the supporting rod 2 at the positions of the tape 1 as shown in figure 3;
Step 6, connecting the total 4 long adjusting rods with the buckled two semicircular small belts and the four supporting rods 2 in the same way as in step 4), and adjusting the distance from the end surface of the radially outward extending end of the long adjusting rod to the outer side surface of the supporting rod 2 to be D1 in the same way as in step 5), thereby ensuring that the reducing cylinder 4 coincides with the rotation axes of the four supporting rods 2;
and 7, respectively loading two ends of the four support rods 2 into a support disc 7, respectively connecting the support discs 7 at the two ends with a bearing support 8, and realizing coaxial positioning by using taper holes, as shown in fig. 4. So far, the coaxiality of the reducing cylinder 4, the support rod 2, the support disc 7 and the bearing support 8 is realized;
Step 8, installing two height-adjusting brackets 11 in threaded connection at the front end and the rear end of a base 13, and ensuring the upper surfaces of the two height-adjusting brackets 11 to be on the same horizontal plane through height adjustment;
And 9, horizontally and integrally hoisting the variable-diameter cylinder 4, the supporting disc 7 and the bearing support 8 through the suspension ring screws 14 on the supporting rod 2, and horizontally fixing the bearing support 8 on the heightening brackets 11 at two ends after removing the high cushion block and the low cushion block. So far, the horizontal placement of the reducing cylinder 4 is realized;
Step 10, connecting the bearing support 8 at one end with the output shaft of the servo motor/reducer on the motor support 15 by a coupler, and completing the horizontal rotation of the diameter-variable cylinder 4 with higher precision.
The foregoing description of the embodiments has been provided for the purpose of illustrating the general principles of the invention, and is not meant to limit the scope of the invention, but to limit the invention to the particular embodiments, and any modifications, equivalents, improvements, etc. that fall within the spirit and principles of the invention are intended to be included within the scope of the invention.
Claims (6)
1. The method for positioning the rotation axis of the variable-diameter cylinder body is characterized in that N groups of wrapping bands are adopted to clamp the variable-diameter cylinder body, N is a positive integer more than or equal to 2, N groups of wrapping bands are distributed along the axial direction of the variable-diameter cylinder body, and each group of wrapping bands tightly holds the variable-diameter cylinder body along the circumferential direction of the variable-diameter cylinder body; m support rods are arranged along the circumference of the diameter-variable cylinder body in an outward distribution manner, wherein M is a positive integer more than or equal to 2; the M support rods are used as slewing brackets, and two ends of the M support rods are connected with a slewing driving mechanism;
Each group of wrapping belts is connected with the corresponding supporting rods through a plurality of adjusting rods, and the axes of the diameter-changing cylinder body are overlapped with the rotation axes of the M supporting rods by positioning the relative positions of the supporting rods and the diameter-changing cylinder body through the adjusting rods;
On the radial section of the variable-diameter cylinder body, the length of each adjusting rod is designed to have a specified proportional relation with the diameter of the diameter section of the variable-diameter cylinder body, and the distances from the axes of all the supporting rods to the rotation axis of the variable-diameter cylinder body are equal by adjusting the connection positions of the supporting rods relative to the axial direction of the adjusting rods.
2. The method for positioning the rotation axis of the reducing cylinder according to claim 1, wherein each group of belts is a ring-shaped hoop structure holding reducing cylinder formed by buckling two semicircular belts.
3. The method for positioning the rotation axis of the variable-diameter cylinder according to claim 1, wherein the N groups of wrapping belts are respectively clamped at different diameter sections of the variable-diameter cylinder.
4. The method for positioning the rotation axis of the reducing cylinder according to claim 1, wherein one end of the adjusting rod is screwed with a thread structure arranged on the wrapping belt; the other end of the adjusting rod extends outwards along the radial direction of the reducing cylinder body and penetrates through the supporting rod to be connected with the supporting rod.
5. The method for positioning the rotation axis of the reducing cylinder according to claim 4, wherein the lengths of the adjusting rods are uniformly designed so that the distances from the outer end surfaces of all the adjusting rods to the axial line of the reducing cylinder are equal on the radial section of the reducing cylinder; the axial extension direction of the outer side surface of the support rod is designed to be parallel to the axis of the support rod, and when the adjusting rods are connected with the support rod, the distances from the end surfaces of all the adjusting rods extending outwards to the outer side surface of the support rod are equal.
6. The method for positioning the rotation axis of a reducing cylinder according to claim 5, wherein for each group of belts, an adjusting rod is firstly adopted to connect the belts with the supporting rods, and two groups of nuts are adopted to be screwed at the outwards extending end parts of the adjusting rods, so that the supporting rods are pressed between the two nuts; the rest adjusting rods are connected with the supporting rods through nuts and gaskets, the nuts are screwed on the adjusting rod sections at the outer side faces of the supporting rods, and the gaskets are tightly pressed between the inner side faces of the supporting rods and the end faces of the thread structures on the wrapping belts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911308646.5A CN110842628B (en) | 2019-12-18 | 2019-12-18 | Precise rotating device for reducing cylinder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911308646.5A CN110842628B (en) | 2019-12-18 | 2019-12-18 | Precise rotating device for reducing cylinder |
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| CN110842628A CN110842628A (en) | 2020-02-28 |
| CN110842628B true CN110842628B (en) | 2024-06-25 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112815880A (en) * | 2021-02-09 | 2021-05-18 | 中国工程物理研究院机械制造工艺研究所 | Orthogonal rotating shaft device |
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