CN215355341U - Novel adjustable roller horizontal shaft rack - Google Patents
Novel adjustable roller horizontal shaft rack Download PDFInfo
- Publication number
- CN215355341U CN215355341U CN202120937210.9U CN202120937210U CN215355341U CN 215355341 U CN215355341 U CN 215355341U CN 202120937210 U CN202120937210 U CN 202120937210U CN 215355341 U CN215355341 U CN 215355341U
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- Prior art keywords
- horizontal shaft
- bearing
- frame
- horizontal
- bearing seat
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- Expired - Fee Related
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- 125000006850 spacer group Chemical group 0.000 claims description 6
- 210000004907 gland Anatomy 0.000 description 7
- 238000003825 pressing Methods 0.000 description 4
- 229910000831 Steel Inorganic materials 0.000 description 3
- 238000005096 rolling process Methods 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 239000003638 chemical reducing agent Substances 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000013000 roll bending Methods 0.000 description 1
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- Rolls And Other Rotary Bodies (AREA)
Abstract
The utility model discloses a novel adjustable roller horizontal shaft rack which comprises a left housing frame, a right housing frame and horizontal shafts, wherein an upper horizontal shaft and a lower horizontal shaft are arranged between the left housing frame and the right housing frame; and a fixed roller is in interference fit with the periphery of the horizontal shaft and close to the left end of the horizontal shaft. Through adjusting screw, can realize the roll interval adjustment between every horizontal axis fixed roll and the slidable roll, and the adjustment is simple convenient.
Description
Technical Field
The utility model relates to the technical field of cold-formed steel pipe manufacturing, in particular to a novel adjustable roller horizontal shaft rack.
Background
The production process of cold-bending steel section by roll bending formation is characterized by that under the condition of normal temp. the steel strip is passed through the processes of multi-pass upper and lower horizontal rolls and auxiliary vertical roll to continuously deform so as to finally obtain the required cross-section profile. In the prior art, a section profile generally corresponds to a group of rollers, which causes large investment of a die, high cost, large management difficulty of the rollers and low roller changing efficiency. In recent years, several new structural designs of horizontal frames without changing rollers appear successively, but the new structural designs still have many defects, such as low roller adjustment precision, unstable position, unstable product quality and poor rigidity of a horizontal shaft, and some horizontal frames without changing rollers have huge structures, the length of the horizontal shaft is 1.5-2 times of that of the common horizontal frame, and the input cost is high.
Disclosure of Invention
Aiming at the defects in the prior art, the utility model aims to provide a novel adjustable roller horizontal shaft rack which is reasonable in structural design and good in using effect.
In order to achieve the purpose, the utility model adopts the technical scheme that: a novel adjustable roller horizontal shaft rack comprises a left memorial archway frame, a right memorial archway frame and a horizontal shaft, wherein an upper horizontal shaft and a lower horizontal shaft are arranged between the left memorial archway frame and the right memorial archway frame; each bearing seat sliding block is internally provided with a bearing seat, two bearing seats positioned on the right housing frame can only do axial movement relative to the corresponding bearing seat sliding block, and two bearing seats positioned on the left housing frame do rotation and axial movement relative to the corresponding bearing seat sliding block; the two bearing seats on the left housing frame are both fixedly connected with bearings, and the bearings are limited at the left ends of the corresponding horizontal shafts through spacer bushes; bearings are also fixedly connected in the two bearing seats positioned on the right housing frame, the bearings are assembled in the bearings and are positioned on an inner ring shaft sleeve of the bearings through spacer sleeves, and the inner diameter of the inner ring shaft sleeve of the bearings is in sliding fit with the outer diameter of the right end of the corresponding horizontal shaft; the right ends of the two horizontal shafts are fixedly connected with an adjusting screw rod in a threaded manner, and the right end of each adjusting screw rod is clamped with an end cover which is fixed on a corresponding bearing inner ring shaft sleeve through a bolt; a slidable roller is in sliding fit with the position, close to the right end, of the periphery of each horizontal shaft, and the right end of each slidable roller is fixedly connected to a corresponding bearing inner ring shaft sleeve; fixed rollers are in interference fit with the peripheries of the horizontal shafts and the positions close to the left ends of the horizontal shafts, the fixed rollers of the upper horizontal shaft and the lower horizontal shaft correspond to each other, and the slidable rollers also correspond to each other.
Furthermore, a bearing seat sliding block is matched on the window arranged on the left housing frame and the window arranged on the right housing frame in a sliding way and corresponds to the left end and the right end of the two horizontal shafts, and the bearing seat sliding block moves up and down relative to the corresponding window.
Furthermore, the top of the bearing seat sliding block at the left end and the right end of the horizontal shaft above is fixedly connected with a vertically arranged screw-down screw rod. The screw rod is pressed down to press down the horizontal shaft above the screw rod.
Compared with the prior art, the utility model has the beneficial effects that:
the utility model can realize the adjustment of the distance between the fixed roller and the slidable roller on each horizontal shaft, can also realize the centrosymmetric adjustment of the rolling line, and has simple and convenient adjustment.
Drawings
FIG. 1 is a schematic view of the structure of the present invention in use;
FIG. 2 is a front view of the structure of the present invention;
FIG. 3 is a schematic structural diagram of the bearing seat sliding block limited by the pressing block on the left housing frame and the right housing frame;
wherein: 1. the device comprises a machine base, 1-1 parts of a left memorial archway frame, 1-2 parts of a right memorial archway frame, 2 parts of an upper horizontal shaft, 3 parts of a lower horizontal shaft, 4 parts of a right bearing seat slide block, 5 parts of a left bearing seat slide block, 6 parts of a right bearing seat, 7 parts of a right bearing, 8 parts of a bearing inner ring shaft sleeve, 9 parts of a slidable roller, 10 parts of a left bearing seat, 11 parts of a left bearing, 12 parts of a threaded sleeve and gland, 13 parts of a nut sleeve end cover, 14 parts of an adjusting screw rod, 15 parts of an end cover, 16 parts of a fixed roller, 17 parts of a left upper bearing seat slide block, 18 parts of a right upper bearing seat slide block, 19 parts of a pressing screw rod, 20 parts of an upper fixed roller, 21 parts of an upper slidable roller, 22 parts of a universal joint, 23 parts of a gear box, 26 parts of a pressing block.
Detailed Description
In order to make the technical solutions better understood by those skilled in the art, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only partial embodiments of the present application, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
It should be noted that, in the present application, the terms "upper", "lower", "left", "right", "front", "rear", "top", "bottom", "inner", "outer", "center", "vertical", "horizontal", "lateral", "longitudinal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings. These terms are used primarily to better describe the present application and its embodiments, and are not used to limit the indicated devices, elements or components to a particular orientation or to be constructed and operated in a particular orientation.
Also, the following terms "fixed connection", "fixing", "connection", "setting", and the like may be bolt fixed connection, screw connection, weld fixed connection, and the like in the conventional art. The specific meaning of these terms in this application will be understood by those of ordinary skill in the art as appropriate.
In addition, the details are not described below with reference to the prior art.
As shown in the figures 1-3, the novel adjustable roller horizontal shaft rack comprises a left memorial archway frame 1-1 and a right memorial archway frame 1-2, wherein the bottoms of the left memorial archway frame 1-1 and the right memorial archway frame 1-2 are fixed on the same machine base 1 through bolts, and an upper horizontal shaft 2 and a lower horizontal shaft 3 are arranged between the left memorial archway frame 1-1 and the right memorial archway frame 1-2.
The following is a description of the structure of the lower horizontal shaft 3 and its associated adjustable roll:
the positions, corresponding to the left end and the right end of the lower horizontal shaft 3, on the window of the left housing frame 1-1 and the window of the right housing frame 1-2 are respectively in sliding fit, a bearing seat sliding block (namely a right bearing seat sliding block 4 and a left bearing seat sliding block 5) is limited through a pressing block 26 and a bolt, and only the right bearing seat sliding block 4 and the left bearing seat sliding block 5 are allowed to move up and down relative to the respective windows; a right bearing seat 6 is in sliding fit with the right bearing seat sliding block 4, a key groove and a guide key are machined on the matching surface of the right bearing seat sliding block and the right bearing seat sliding block, the purpose is to limit the radial rotation of the right bearing seat sliding block and only enable the right bearing seat sliding block and the right bearing seat sliding block to move axially, and the appearance of the right bearing seat 6 and the inner hole shape of the right bearing seat sliding block 4 are both square; two right bearings 7 which are arranged side by side at the left and right are fixedly connected in a right bearing seat 6 positioned on the right housing window frame 1-2 through an end cover and a bolt, and the two right bearings 7 are assembled in and positioned on the outer diameter of an inner ring shaft sleeve 8 of the same bearing through a spacer bush; the bearing inner ring shaft sleeve 8 is of a hollow structure, and the inner diameter of the bearing inner ring shaft sleeve is in sliding fit with the outer diameter of the right end of the lower horizontal shaft 3; a slidable roller 9 is in sliding fit with the position, close to the right end of the lower horizontal shaft 3, on the periphery of the lower horizontal shaft through a guide key and a key groove, and the right end of the slidable roller 9 is fixedly connected to a bearing inner ring shaft sleeve 8 through a gland and a bolt;
a left bearing seat 10 is arranged on a left bearing seat sliding block 5 on the left housing window frame 1-1 in a sliding fit mode, and the left bearing seat 10 can do relative rotation movement and axial movement in the left bearing seat sliding block 5; two left bearings 11 which are arranged side by side left and right are fixedly connected in a left bearing seat 10 on a left housing frame 1-1, inner rings of the two left bearings 11 are limited by a spacer bush and fixedly connected on the left end of a lower horizontal shaft 3, one outer ring of the left bearing 11 is fixed on the left bearing seat 10 through an end cover and a bolt, the other outer ring of the left bearing 11 is fixed on the left bearing seat 10 through a threaded sleeve and a gland 12, the threaded sleeve and gland 12 is in threaded connection with a nut sleeve end cover 13, and the nut sleeve end cover 13 is fixed on a left bearing seat slide block 5 through a bolt.
The left end of the adjusting screw rod 14 is provided with trapezoidal threads, the right end of the adjusting screw rod 14 is provided with an annular groove, and the right end of the lower horizontal shaft 3 is connected with the left end of the adjusting screw rod 14 in a matched manner; an end cover 15 is clamped in an annular groove at the right end of the adjusting screw rod 14, the end cover 15 is cut at the upper and lower symmetrical positions to form a gap, and the end cover 15 is fixed on the bearing inner ring shaft sleeve 8 through a bolt; a fixed roller 16 is interference fitted on the outer periphery of the lower horizontal shaft 3 near the left end thereof. The lower horizontal shaft mainly bears radial load brought by rolling force and input torque of the speed reducer.
The structure of the upper horizontal shaft 2 and the adjustable roller thereof in the present invention is described above in relation to the structure of the lower horizontal shaft 3 and the adjustable roller thereof. For example, a left upper bearing seat slide block 17 and a right upper bearing seat slide block 18 are respectively matched on the window of the left housing frame 1-1 and the window of the right housing frame 1-2 in a sliding way at the positions corresponding to the left end and the right end of the upper horizontal shaft 2; the top of the left upper bearing seat sliding block 17 and the top of the right upper bearing seat sliding block 18 are fixedly connected with a vertically arranged screw-down screw rod 19, the left end of the upper horizontal shaft 2 is provided with an upper fixed roller 20, the right end of the upper horizontal shaft 2 is provided with an upper slidable roller 21, and the assembling and positioning modes of the upper fixed roller 20, the upper slidable roller 21 and the upper horizontal shaft 2 are consistent with those of the slidable roller 9 and the fixed roller 16 on the lower horizontal shaft. The structures of the inner parts of the left upper bearing seat slide block 17 and the right upper bearing seat slide block 18 are completely the same as the structure of the lower horizontal shaft.
The left ends of the upper horizontal shaft 2 and the lower horizontal shaft 3 are respectively fixedly connected with a universal joint 22 through keys and bolts, and the universal joint 22 is fixedly connected with the same gear box 23 in a conventional mode, so that torque and speed are transmitted, and power is input by a motor matched with a speed reducer.
When the adjustable roller bearing is used, the size of a space between the end part of the right end of a horizontal shaft and a bearing inner ring shaft sleeve 8 can be changed by rotating an adjusting screw rod 14, and meanwhile, the space between a sliding roller and a fixed roller on the same horizontal shaft is changed in the same size; when the distance 24 between the rollers is adjusted and determined, the rolling line centering is adjusted next step, namely, the size of the distance 25 is equal to one half of the distance 24, namely, the thread bushing and gland 12 is rotated, and as the thread bushing and gland 12 is fixed on the left bearing block slide block 5, the left bearing block 10 is driven to rotate and move in the inner hole of the left bearing block slide block 5 while the thread bushing and gland 12 is rotated, and meanwhile, the lower horizontal shaft 3 pulls the right bearing block 6 to axially slide in the inner hole of the right bearing block slide block 4, so that the size of the distance 25 is changed.
Claims (3)
1. A novel adjustable roller horizontal shaft rack comprises a novel adjustable roller horizontal shaft rack, and comprises a left memorial archway frame (1-1), a right memorial archway frame (1-2) and horizontal shafts, wherein an upper horizontal shaft and a lower horizontal shaft are arranged between the left memorial archway frame (1-1) and the right memorial archway frame (1-2), and the novel adjustable roller horizontal shaft rack is characterized in that a bearing block sliding block is respectively assembled on a window formed in the left memorial archway frame (1-1) and a window formed in the right memorial archway frame (1-2) and corresponds to the left end and the right end of each horizontal shaft; each bearing seat sliding block is internally provided with a bearing seat, two bearing seats positioned on the right housing frame (1-2) can only do axial movement relative to the corresponding bearing seat sliding block, and two bearing seats positioned on the left housing frame (1-1) do rotation and axial movement relative to the corresponding bearing seat sliding block; bearings are fixedly connected in the two bearing seats on the left housing frame (1-1), and the bearings are limited at the left ends of the corresponding horizontal shafts through spacer bushes; bearings are also fixedly connected in the two bearing seats positioned on the right housing window frame (1-2), the bearings are assembled in the bearings and are positioned on a bearing inner ring shaft sleeve (8) through spacer bushes, and the inner diameter of the bearing inner ring shaft sleeve (8) is in sliding fit with the outer diameter of the right end of the corresponding horizontal shaft; the right ends of the two horizontal shafts are fixedly connected with an adjusting screw rod (14) in a threaded manner, the right end of each adjusting screw rod (14) is clamped with an end cover (15), and the end covers (15) are fixed on the corresponding bearing inner ring shaft sleeves (8) through bolts; a slidable roller is matched on the periphery of each horizontal shaft and close to the right end of the horizontal shaft in a sliding manner, and the right end of the slidable roller is fixedly connected to a corresponding bearing inner ring shaft sleeve (8); fixed rollers are in interference fit with the peripheries of the horizontal shafts and the positions close to the left ends of the horizontal shafts, the fixed rollers of the upper horizontal shaft and the lower horizontal shaft correspond to each other, and the slidable rollers also correspond to each other.
2. The novel adjustable roller horizontal shaft rack as claimed in claim 1, wherein a bearing block sliding block is slidably fitted on the window formed on the left housing frame (1-1) and the window formed on the right housing frame (1-2) at positions corresponding to the left and right ends of the two horizontal shafts, and the bearing block sliding block moves up and down relative to the corresponding window.
3. The novel adjustable horizontal roll shaft rack as claimed in claim 2, characterized in that vertically arranged screw-down screws (19) are fixedly connected to the top of the bearing block sliding blocks at the left and right ends of the upper horizontal shaft (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120937210.9U CN215355341U (en) | 2021-05-06 | 2021-05-06 | Novel adjustable roller horizontal shaft rack |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120937210.9U CN215355341U (en) | 2021-05-06 | 2021-05-06 | Novel adjustable roller horizontal shaft rack |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215355341U true CN215355341U (en) | 2021-12-31 |
Family
ID=79629036
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120937210.9U Expired - Fee Related CN215355341U (en) | 2021-05-06 | 2021-05-06 | Novel adjustable roller horizontal shaft rack |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215355341U (en) |
-
2021
- 2021-05-06 CN CN202120937210.9U patent/CN215355341U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20230321 Address after: 130117 No. 6566 Juye Street, Jingyue District, Changchun City, Jilin Province Patentee after: Jilin Water Conservancy and Electric Power Vocational College Address before: 415000 floor 3, building 9, incubator, guanjiaping community innovation and entrepreneurship Park, Zhangjiang street, Taoyuan County, Changde City, Hunan Province Patentee before: Hunan baoshunlian Cold Bending Technology Co.,Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20211231 |