CN216027098U - Section mill pass calibration tool - Google Patents
Section mill pass calibration tool Download PDFInfo
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- CN216027098U CN216027098U CN202122335617.7U CN202122335617U CN216027098U CN 216027098 U CN216027098 U CN 216027098U CN 202122335617 U CN202122335617 U CN 202122335617U CN 216027098 U CN216027098 U CN 216027098U
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Abstract
The utility model relates to a hole pattern checking tool of a section steel rolling mill, which comprises a sample plate and a handheld rod; the handheld rod is arranged on one side of the sample plate and fixedly connected with the sample plate; the template is made of steel plates through warp cutting and comprises an upper detection section, a connection section and a lower detection section, wherein the outer contour of the upper detection section corresponds to the inner contour of a rolling groove of the upper roller, and the outer contour of the lower detection section corresponds to the inner contour of a rolling groove of the lower roller; the height of the connecting section is less than the roll gap value of the rolling mill. The utility model can effectively test the hole patterns of various types of rolling mills on the premise of not increasing detection equipment, is convenient to use, has visual and accurate measurement and ensures the dimensional precision of rolling.
Description
Technical Field
The utility model relates to the technical field of steel rolling, in particular to a hole pattern checking tool of a section steel rolling mill.
Background
The section mill mostly adopts pass rolling, grooves are processed on the rollers, and the grooves of 2 or more than 2 rollers are correspondingly assembled to form passes. When rolling, the rolled piece passes through a series of pass, the cross section area is reduced from large to small, the length is reduced from short to long, and finally the required shape and size are achieved.
After the groove on the roll is machined, special template inspection is usually adopted. However, after the roll is installed on the rolling mill, the pass of the rolling mill lacks a special checking tool, and a manual visual checking mode is generally adopted. Some small rolling mills adopt a projection inspection method, but the inspection equipment cost is high, and the method is not suitable for large rolling mills.
Disclosure of Invention
The utility model provides a hole pattern checking tool for a section steel rolling mill, which can effectively check the hole patterns of various types of rolling mills on the premise of not increasing detection equipment, is convenient to use, can measure visually and accurately and ensures the rolling size precision.
In order to achieve the purpose, the utility model adopts the following technical scheme:
a section steel rolling mill hole pattern calibration tool comprises a sample plate and a handheld rod; the handheld rod is arranged on one side of the sample plate and fixedly connected with the sample plate; the template is made of steel plates through warp cutting and comprises an upper detection section, a connection section and a lower detection section, wherein the outer contour of the upper detection section corresponds to the inner contour of a rolling groove of the upper roller, and the outer contour of the lower detection section corresponds to the inner contour of a rolling groove of the lower roller; the height of the connecting section is less than the roll gap value of the rolling mill.
The fixed connection between the handheld rod and the sample plate is detachably and fixedly connected.
A through hole is formed in the center of the sample plate, an internal thread hole is formed in one end of the handheld rod, and the sample plate is screwed down in the internal thread hole of the handheld rod after a bolt penetrates through the through hole in the sample plate to be fixedly connected with the handheld rod.
The height of the connecting section is equal to the roll gap value of the rolling mill, namely-2-10 mm.
The thickness of the sample plate is 3-8 mm.
The hand-held rod consists of
Is made of the round steel.
For the circular hole pattern, the outer contour of the upper detection section and the outer contour of the lower detection section of the sample plate are processed according to the base circle; for base circle diameter
The round hole type increases the expansion radius.
The connecting sections extend to two sides of the sample plate for a distance respectively, and the top surfaces and the bottom surfaces of the extending sections are horizontal planes.
Compared with the prior art, the utility model has the beneficial effects that:
1) by using the pass inspection tool, the pass state of the installed roller can be visually inspected, and the roll pass inspection tool is particularly effective for roll error inspection;
2) the height of the connecting section is controlled to be smaller than the roll gap value, so that the sample plate can be smoothly inserted into the hole pattern for detection, and meanwhile, the handheld rod is arranged, so that the use is convenient;
3) additional detection equipment does not need to be additionally arranged, the material for manufacturing the hole pattern checking tool is easy to obtain, and the processing and the manufacturing are easy.
Drawings
FIG. 1 is a side view of a rolling mill pass verification tool according to the present invention.
Fig. 2 is a right side view of fig. 1.
In the figure: 1. template 11, upper detection section 12, lower detection section 13, connecting section 2, hand-held rod 3 and bolt
Detailed Description
The following further describes embodiments of the present invention with reference to the accompanying drawings:
as shown in fig. 1 and 2, the hole pattern checking tool for the section steel rolling mill of the present invention includes a template 1 and a hand-held rod 2; the handheld rod 2 is arranged on one side of the sample plate 1 and fixedly connected with the sample plate; the template 1 is made of a steel plate by warp cutting and consists of an upper detection section 11, a connecting section 13 and a lower detection section 12, wherein the outer contour of the upper detection section 11 corresponds to the inner contour of a rolling groove of an upper roller, and the outer contour of the lower detection section 12 corresponds to the inner contour of a rolling groove of a lower roller; the height of the connecting section 13 is smaller than the roll gap value of the rolling mill.
The fixed connection between the handheld rod 2 and the sample plate 1 is detachably and fixedly connected.
A through hole is formed in the center of the sample plate 1, an internal thread hole is formed in one end of the handheld rod 2, and the sample plate 1 and the handheld rod 2 are fixedly connected by screwing the bolt 3 after penetrating through the through hole in the sample plate 1 and in the internal thread hole of the handheld rod 2.
The height of the connecting section 13 is equal to the roll gap value of the rolling mill-2-10 mm.
The thickness of the sample plate 1 is 3-8 mm.
The hand-held rod 2 consists of
Is made of the round steel.
For the circular hole pattern, the outer contour of the upper detection section 11 and the outer contour of the lower detection section 12 of the sample plate 1 are processed according to a base circle; for base circle diameter
The round hole type increases the expansion radius.
The connecting sections 13 extend a distance to two sides of the sample plate 1 respectively, and the top surface and the bottom surface of each extending section are horizontal surfaces.
The following examples are carried out on the premise of the technical scheme of the utility model, and detailed embodiments and specific operation processes are given, but the scope of the utility model is not limited to the following examples.
[ examples ] A method for producing a compound
In the embodiment, the hole pattern checking tool is applied to a steel rolling production line of a special steel mill to check the hole pattern of a section steel rolling mill.
And (4) making a sample plate by taking the hole pattern as a basis, wherein the sample plate is made of a steel plate with the thickness of 5 mm.
And for the box-shaped hole pattern and the oval hole pattern, processing the sample plates according to the hole pattern, cutting by adopting a linear cutting machine, and reducing the connecting section corresponding to the roll gap by 10mm compared with the roll gap value, so that the sample plates can be conveniently placed into the hole pattern to carry out clamping operation. The outer contours of the upper detection section and the lower detection section are processed strictly according to the corresponding hole type size. The connecting sections extend 100mm towards the two outer sides of the sample plate respectively and are used as horizontal references during verification.
For circular hole pattern, processing the template according to the size of the base circle, for the diameter of the base circle is less than
The height of the connecting section is reduced by 10mm according to the roll gap value without considering the expansion radius. For base circle diameter
The above requires an increase in the expansion radius.
After the template is cut, a through hole is arranged in the middle of the template, and the template is fixed by bolts
The handheld rod made of round steel is convenient for an operator to carry out measurement by hand.
When the device is used, the rolling mill is adjusted to the hole-shaped height, the roll gap is increased by 0.2mm, the sample plate is inserted into the hole shape for actual comparison, and the hole-shaped light leakage uniformity, roll error and roll groove abrasion conditions are mainly checked.
In the embodiment, after the assembly pass of the rolling mill is inspected by a pass calibration tool, the assembly precision of the roller is improved, and the rolling pass rate of a first product reaches 97%.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and their concepts should be equivalent or changed within the technical scope of the present invention.
Claims (8)
1. A section steel rolling mill pass calibration tool is characterized by comprising a sample plate and a handheld rod; the handheld rod is arranged on one side of the sample plate and fixedly connected with the sample plate; the template is made of steel plates through warp cutting and comprises an upper detection section, a connection section and a lower detection section, wherein the outer contour of the upper detection section corresponds to the inner contour of a rolling groove of the upper roller, and the outer contour of the lower detection section corresponds to the inner contour of a rolling groove of the lower roller; the height of the connecting section is less than the roll gap value of the rolling mill.
2. A rolling mill pass calibration tool as claimed in claim 1 wherein the fixed connection between the hand bar and the template is a removable fixed connection.
3. A hole pattern verification tool for a section steel rolling mill according to claim 2, wherein a through hole is formed in the center of the sample plate, an internal threaded hole is formed in one end of the handheld rod, and a bolt is screwed into the internal threaded hole of the handheld rod after penetrating through the through hole in the sample plate to fixedly connect the sample plate and the handheld rod.
4. A section mill pass verification tool according to claim 1, wherein the height of the connecting section is-2-10 mm of the mill roll gap value.
5. A section mill pass verification tool according to claim 1, wherein the thickness of the sample plate is 3-8 mm.
6. A rolling mill pass calibration tool as claimed in claim 1, wherein said hand held rod is made of
Is made of the round steel.
7. A section mill pass calibration tool as claimed in claim 1, wherein for a round pass, the outer contour of the upper detection section and the outer contour of the lower detection section of the template are both based on the baseRound processing; for base circle diameter
The round hole type increases the expansion radius.
8. A rolling mill pass calibration tool as claimed in claim 1, wherein the connecting section extends a distance to both sides of the template, and the top and bottom surfaces of the extending section are horizontal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122335617.7U CN216027098U (en) | 2021-09-26 | 2021-09-26 | Section mill pass calibration tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122335617.7U CN216027098U (en) | 2021-09-26 | 2021-09-26 | Section mill pass calibration tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216027098U true CN216027098U (en) | 2022-03-15 |
Family
ID=80546179
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122335617.7U Active CN216027098U (en) | 2021-09-26 | 2021-09-26 | Section mill pass calibration tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216027098U (en) |
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2021
- 2021-09-26 CN CN202122335617.7U patent/CN216027098U/en active Active
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