CN219714234U - Device for detecting sizing hole type size in simulated rolling state - Google Patents
Device for detecting sizing hole type size in simulated rolling state Download PDFInfo
- Publication number
- CN219714234U CN219714234U CN202321360725.2U CN202321360725U CN219714234U CN 219714234 U CN219714234 U CN 219714234U CN 202321360725 U CN202321360725 U CN 202321360725U CN 219714234 U CN219714234 U CN 219714234U
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- China
- Prior art keywords
- long screw
- sizing
- centering disc
- coaxially
- standard measuring
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- 238000004513 sizing Methods 0.000 title claims abstract description 48
- 238000005096 rolling process Methods 0.000 title claims abstract description 23
- 238000001514 detection method Methods 0.000 claims abstract description 11
- 239000002023 wood Substances 0.000 claims abstract description 6
- 238000004088 simulation Methods 0.000 claims description 2
- 238000003466 welding Methods 0.000 claims description 2
- 229910000831 Steel Inorganic materials 0.000 description 12
- 239000010959 steel Substances 0.000 description 12
- 238000007689 inspection Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000009785 tube rolling Methods 0.000 description 2
- 238000005097 cold rolling Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000005098 hot rolling Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000691 measurement method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Landscapes
- A Measuring Device Byusing Mechanical Method (AREA)
Abstract
The utility model discloses a detection device for sizing hole type size in a simulated rolling state, which coaxially penetrates through a sizing rolling tool and comprises a centering disc, a long screw rod and a wood standard measuring pier; the centering disc is coaxially and fixedly connected to one axial end face of the sizing mill, and the middle part of the centering disc coaxially rotates and axially limits and supports the long screw rod; the thread section of the long screw is coaxially sleeved and engaged with the wooden standard measuring pier, and the center distances of a plurality of rollers in the sizing mill are detected by the outer diameter of the wooden standard measuring pier. The detection device can be used for detecting the center distances of three rollers in the sizing mill by using the standard measuring tool in the coaxial gesture, and has simple structure and easy realization.
Description
Technical Field
The utility model relates to the technical field of steel tube rolling, in particular to a device for detecting the size of a sizing hole in a simulated rolling state.
Background
Currently, in a seamless steel tube rolling line, after finishing the inner diameter hot rolling process of a steel tube, it is generally necessary to axially introduce the steel tube into a plurality of sizing rolls which are axially arranged in sequence and gradually decrease in rolling diameter, so as to perform cold rolling sizing process on the outer diameter of the steel tube. In the rolling process of the sizing mill, three rollers which are distributed in a triangular shape inside the sizing mill provide axial conveying power and radial rolling extrusion force for the steel pipe. However, in actual construction, three rollers in the sizing mill are used as loss components, and frequent sizing inspection is required, but because the three rollers are distributed in a triangle shape and are rotationally embedded in the sizing mill, the center distance of the three rollers is difficult to accurately measure by the existing measuring tool, and usually, only finished steel pipes or cylinders corresponding to the center distances of the three rollers of the sizing mill are used as calibration measuring tools, are manually gripped and fed into the middle of the three rollers, and the steel pipes or cylinders can be introduced as inspection qualification standards. However, this measurement method has the following drawbacks: in the process of manually gripping the steel pipe or the cylinder barrel as a calibration measuring tool and introducing the calibration measuring tool into the middle of the three rollers, the coincidence of the axes of the steel pipe or the cylinder barrel and the sizing roller cannot be ensured, and once the axes of the steel pipe or the cylinder barrel and the sizing roller deviate, the difficulty in introducing the steel pipe or the cylinder barrel can be reduced, so that the detection result of the center distance of the rollers is misaligned.
Therefore, how to design a device for detecting the size of a sizing hole in a simulated rolling state, so as to ensure the coaxiality of the device and the sizing mill, is a technical problem to be solved urgently by the person skilled in the art.
Disclosure of Invention
The utility model aims to solve the defects of the prior art and provides a device for detecting the size of a sizing pass in a simulated rolling state.
The utility model provides a detection device of sizing hole type size under simulation rolling state, detection device coaxial penetration sizing rolling tool, this detection device includes centering dish, long screw rod and wooden standard measuring mound; the centering disc is coaxially and fixedly connected to one axial end face of the sizing mill, and the middle part of the centering disc coaxially rotates and axially limits and supports the long screw rod; the thread section of the long screw is coaxially sleeved and engaged with the wooden standard measuring pier, and the center distances of a plurality of rollers in the sizing mill are detected by the outer diameter of the wooden standard measuring pier.
The outer ring of the centering disc is fixedly provided with a plurality of connecting lugs which are uniformly distributed in the circumferential direction, the middle part of the centering disc is coaxially and fixedly provided with a guide sleeve which rotates in the circumferential direction and is axially limited and inserted with a long screw rod, and the inner part of the centering disc is fixedly provided with a plurality of radial support rods which are connected with the outer ring of the centering disc and the guide sleeve; the connecting lugs are fixedly connected with the outer shell bolts of the sizing mill.
And one end of the long screw rod is provided with external threads, the middle part of the long screw rod is provided with an axial limiting snap ring protruding radially, and the other end of the long screw rod is provided with a hexagonal prism which is convenient for sleeving a wrench and provides rotary power for the long screw rod.
And the axial limiting snap rings are clamped on the two axial end faces of the guide sleeve.
The utility model has the advantages and technical effects that:
according to the device for detecting the sizing hole type size in the simulated rolling state, one axial end face of a sizing mill is fixedly connected through the centering disc, and the long screw is radially positioned by the guide sleeve of the centering disc, so that the long screw is overlapped with the axis of the sizing mill and supported in a circumferential rotating and axial limiting manner; the hexagonal prism at one end of the long screw rod is used for applying rotation power to the long screw rod, the wooden standard measuring pier is required to be held by hands in the rotation process of the long screw rod, the wooden standard measuring pier and the long screw rod are prevented from synchronously rotating, the wooden standard measuring pier axially moves to the center positions of the three rollers of the sizing mill in a coaxial gesture along with the rotation of the long screw rod, and the center distances of the three rollers are checked by the outer diameter of the wooden standard measuring pier.
Drawings
FIG. 1 is a front view of a sizing mill of the present utility model;
FIG. 2 is a half-sectional view (check progressive pose) of FIG. 1;
FIG. 3 is a half-sectional view (actual inspection pose) of FIG. 1;
FIG. 4 is an enlarged view of a portion of FIG. 2 at A;
FIG. 5 is a front view of a centering disc of the present utility model;
in the figure: 1-sizing rolling tool; 2-wood standard quantity piers; 3-rolling; 4-a long screw; 5-centering disc; 6-hexagonal prisms; 7-connecting lugs; 8-radial support rods; 9-a guide sleeve; 10-an axial limiting snap ring; 11-external threads.
Detailed Description
Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the utility model.
In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
The device comprises a centering disc 5, a long screw 4 and a wood standard measuring pier 2; the centering disc is coaxially and fixedly connected to one axial end face of the sizing mill, and the middle part of the centering disc coaxially rotates and axially limits and supports the long screw rod; the thread section of the long screw is coaxially sleeved and engaged with the wooden standard measuring pier, and the center distances of a plurality of rollers 3 in the sizing mill are detected by the outer diameter of the wooden standard measuring pier.
The outer ring of the centering disc is fixedly provided with a plurality of connecting lugs 7 which are uniformly distributed in the circumferential direction in a welding way, the middle part of the centering disc is coaxially and fixedly provided with a guide sleeve 9 which rotates in the circumferential direction and is axially and limitedly inserted with a long screw rod, and the inner part of the centering disc is fixedly provided with a plurality of radial support rods 8 which are connected with the outer ring of the centering disc and the guide sleeve; the connecting lugs are fixedly connected with the outer shell bolts of the sizing mill.
Moreover, one end of the long screw is provided with an external thread 11, the middle part of the long screw is provided with an axial limiting snap ring 10 protruding radially, and the other end of the long screw is provided with a hexagonal prism 6 which is convenient for sleeving a wrench and provides rotary power for the long screw.
And the axial limiting snap rings are clamped on the two axial end faces of the guide sleeve.
In addition, in the utility model, when the centering disc is installed, a plurality of bolt holes are formed on the outer shell of the sizing mill, the fastening bolts are respectively connected in the bolt holes in a threaded manner, and the fastening bolts compress the connecting lugs on the centering disc so as to realize the coaxial fixation of the centering disc on the axial end surface of the sizing mill, and the bolt holes, the arrangement positions of the fastening bolts and the fastening connection mode adopt the mature technical means in the prior art.
In order to more clearly describe the specific embodiments of the present utility model, an example is provided below:
according to the device for detecting the sizing hole type size in the simulated rolling state, the centering disc and the long screw are in a rotationally connected and non-mutually detachable integrated structure, and a wooden standard measuring pier is not required to be connected to the long screw before detection or in a daily storage state; during detection, the centering disc is coaxially and fixedly connected to one axial end face of the sizing mill shell, so that the centering disc coincides with the mill tube center line of the sizing mill; then, according to the center distance of the roller to be measured, selecting a wood standard quantity pier with a proper diameter and connecting the wood standard quantity pier with the external thread section of the long screw rod in a threaded sleeve manner; finally, fixing the long screw rod through the hexagonal prism to rotate the wooden standard measuring pier, or holding the wooden standard measuring pier to fix the circumference of the wooden standard measuring pier, and then sleeving a wrench on the hexagonal prism and rotating the wrench to drive the long screw rod to rotate, wherein no matter whether any one of the two modes is adopted, the relative rotation of the long screw rod and the wooden standard measuring pier is realized; along with the relative rotation of the long screw rod and the wooden standard measuring pier, the long screw rod is axially positioned by the matching of the guide sleeve and the axial limiting snap ring, so that the wooden standard measuring pier axially shifts to the center of a rolling pipe of three rollers, and the wooden standard measuring pier can be introduced into the center of a fixed-diameter rolling tool to be qualified in detection.
Finally, the inexhaustible points of the utility model adopt mature products and mature technical means in the prior art.
In the description of the present specification, the descriptions of the terms "one embodiment," "some embodiments," "examples," "specific examples," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in the embodiments or examples of the present utility model.
While embodiments of the present utility model have been shown and described, it will be understood by those of ordinary skill in the art that: many changes, modifications, substitutions and variations may be made to the embodiments without departing from the spirit and principles of the utility model, the scope of which is defined by the claims and their equivalents.
Claims (4)
1. The utility model provides a detection device of sizing hole type size under simulation rolling state which characterized in that: the detection device coaxially penetrates through the sizing mill, and comprises a centering disc, a long screw and a wood standard measuring pier; the centering disc is coaxially and fixedly connected to one axial end face of the sizing mill, and the middle part of the centering disc coaxially rotates and axially limits and supports the long screw rod; and the thread section of the long screw is coaxially sleeved and engaged with the wooden standard measuring pier, and the outer diameter of the wooden standard measuring pier is used for detecting the center distances of a plurality of rollers in the sizing rolling tool.
2. A device for detecting the size of a sizing hole in a simulated rolling state according to claim 1, wherein: the outer ring of the centering disc is fixedly provided with a plurality of connecting lugs which are uniformly distributed in the circumferential direction in a welding way, the middle part of the centering disc is coaxially and fixedly provided with a guide sleeve which rotates in the circumferential direction and is axially limited and inserted with a long screw rod in a limiting way, and the inner part of the centering disc is fixedly provided with a plurality of radial support rods which are connected with the outer ring of the centering disc and the guide sleeve; the connecting lugs are fixedly connected with the outer shell of the sizing mill through bolts.
3. A device for detecting the size of a sizing hole in a simulated rolling state according to claim 2, wherein: the screw is characterized in that one end of the long screw is provided with external threads, the middle part of the long screw is provided with an axial limiting snap ring protruding radially, and the other end of the long screw is provided with a hexagonal prism which is convenient for sleeving a wrench and provides rotary power for the long screw.
4. A device for detecting the size of a sizing hole in a simulated rolling state according to claim 3, wherein: the axial limiting snap rings are clamped on the two axial end faces of the guide sleeve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321360725.2U CN219714234U (en) | 2023-05-31 | 2023-05-31 | Device for detecting sizing hole type size in simulated rolling state |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321360725.2U CN219714234U (en) | 2023-05-31 | 2023-05-31 | Device for detecting sizing hole type size in simulated rolling state |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219714234U true CN219714234U (en) | 2023-09-19 |
Family
ID=87998642
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321360725.2U Active CN219714234U (en) | 2023-05-31 | 2023-05-31 | Device for detecting sizing hole type size in simulated rolling state |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219714234U (en) |
-
2023
- 2023-05-31 CN CN202321360725.2U patent/CN219714234U/en active Active
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