CN203002749U - High-accuracy H type steel universal rolling mill - Google Patents
High-accuracy H type steel universal rolling mill Download PDFInfo
- Publication number
- CN203002749U CN203002749U CN 201220668875 CN201220668875U CN203002749U CN 203002749 U CN203002749 U CN 203002749U CN 201220668875 CN201220668875 CN 201220668875 CN 201220668875 U CN201220668875 U CN 201220668875U CN 203002749 U CN203002749 U CN 203002749U
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- shaped steel
- column
- steel universal
- high accuracy
- pull bar
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Abstract
The utility model relates to metallurgy rolling equipment, in particular to a high-accuracy H type steel universal rolling mill. The technical scheme includes that the high-accuracy H type steel universal rolling mill comprises a rolling mill body and vertical roll devices, the rolling mill body comprises four stand columns which are distributed at two sides of a vertical roller with two at each side, a guiding and guarding device is arranged between two vertical columns at each side, the number of the vertical roller devices is two, and the two sets of the vertical roller devices are respectively installed at two sides of the stand columns through eight fastening bolts. A pull rod elastic damping body, a pull rod adjusting nut and a pull rod copper nut are respectively arranged at the contact portion of two ends of a pull rod and a rack in the direction from the end portion to the center, wherein the pull rod adjusting nut and the pull rod copper nut are connected with pull rod threads and the screw pitch of thread connection is 8 millimeters. The high-accuracy H type steel universal rolling mill has the advantages that bouncing amount is decreased from 5 millimeters to 6 millimeters to 0.7 millimeter to 1.4 millimeters and productivity is increased from 0.5 million tons per year (designed production) to 1.5 million tons per year.
Description
Technical field
The utility model relates to metallurgical steel rolling equipment, relates in particular to high accuracy H shaped steel universal mill.
Background technology
High accuracy H shaped steel universal mill is H type steel production line key equipment, and verticle roll unit is the critical component of high accuracy H shaped steel universal mill, and the precision of verticle roll unit and rigidity directly affect output and the product quality of H shaped steel.Due to the defective of former rolling mill design aspect, as poor in rigidity, to be out of shape greatly in the operation of rolling, the spring amount is large, causes yielding poorly, and product quality is difficult to guarantee.
The utility model content
The purpose of utility model: in order to provide a kind of precision high, the spring amount is little, good product quality, the high accuracy H shaped steel universal mill that quality is high.
In order to reach as above purpose, the utility model is taked following technical scheme: comprise rolling mill body and verticle roll unit, rolling mill body comprises four columns, four columns are distributed in edger roll both sides, one two of sides, between two columns of every side, guide and guards is arranged, comprise two cover edger rolls, described two cover verticle roll units are arranged on respectively the both sides of column by eight fastening bolts.
The further technical scheme of the utility model is, described high accuracy H shaped steel universal mill body comprises pull bar, and described pull bar is vertically installed, and between itself and frame, the end face bearing arranged.
The further technical scheme of the utility model is, there are respectively pull bar elastic colloid, pull-rod adjusting nut, pull bar copper nut in the position that the two ends of described pull bar contact with frame from the end toward center position, wherein pull-rod adjusting nut and pull bar copper nut and pull rod screw are joined, and the pitch that described screw thread joins is 8mm.
The further technical scheme of the utility model is, the outside that described pull bar copper nut is connected with frame also has anti-rotation profile of tooth pin.
The further technical scheme of the utility model is, also comprise column, described column has four, lays respectively at the both sides of edger roll, between two edger rolls of every side, guide and guards is arranged all, four columns and two guide and guards consist of the frame body, and fastening bolt is installed on column, has two on each column, also comprise the auxiliary positioning key that is installed on column, it also comprises the alignment pin with positioning sleeve on column, it is installed on column.
The further technical scheme of the utility model is, described verticle roll unit comprises the edger roll erection support, the centre bore at described edger roll erection support middle part can insert draw bar, each own two bolts hole of edger roll erection support both sides, and two bolts hole are symmetrical around the centre bore axis.
The further technical scheme of the utility model is, also comprises the positioning key that is positioned at edger roll erection support avris.
The further technical scheme of the utility model is, also comprises the draw bar that inserts centre bore, and is also fluted between the center bore inner wall of described draw bar and edger roll erection support, flexible damping body in groove.
The further technical scheme of the utility model is, the top of described groove Elastic damping body also has adjusting nut, and the adjusting nut top also has copper nut, and described adjusting nut and copper nut all join with the draw bar screw thread, and the pitch that described screw thread joins is 8mm.
Adopt as above the present invention of technical scheme, have following beneficial effect: transform by redesign, new milling train is through the use of the side of test, and effect is very obvious, the spring amount is reduced to 0.7～1.4mm by 5 original～6mm, and output is increased to 1,500,000 ton/years by 500,000 ton/years (design output).After above redesign transformation, H shaped steel universal mill is in rigidity, and precision two aspects are greatly improved, and test side has also given abundant affirmation after use.
Description of drawings
Fig. 1 is the body construction side schematic view;
Fig. 2 is the structure cutaway view of auxiliary positioning key;
Fig. 3 is the structural representation with the alignment pin of positioning sleeve;
Fig. 4 is the structural representation that pull bar is installed;
Fig. 5 is the partial enlarged drawing that pull bar is installed;
Fig. 6 is the body construction front schematic view;
Fig. 7 is edger roll and erection support side sectional view thereof;
Fig. 8 is edger roll erection support top view;
Fig. 9 is edger roll erection support front portion cutaway view;
Figure 10 is edger roll mounted configuration schematic diagram;
Figure 11 is single unit system structure top view;
Wherein: 1. fastening bolt; 2. auxiliary positioning key; 3. pull bar elastic colloid; 4. pull-rod adjusting nut; 5. pull bar copper nut; 6. end face bearing; 7. pull bar; 8. anti-rotation profile of tooth pin; 9. column; 10. with the alignment pin of positioning sleeve; 11. draw bar; 12. copper nut; 13. elastic colloid; 14. adjusting nut; 15. bolt hole; 16. positioning key; 17. guide and guards.
The specific embodiment
Below in conjunction with accompanying drawing, the specific embodiment of the present utility model is further described;
In order to reach as above purpose, the utility model is taked following technical scheme: comprise rolling mill body and verticle roll unit, rolling mill body comprises four columns 9, four columns 9 are distributed in edger roll both sides, one two of sides, between two columns 9 of every side, guide and guards is arranged, comprise two cover edger rolls, described two cover verticle roll units are arranged on respectively the both sides of column 9 by eight fastening bolts 1.
The further technical scheme of the utility model is, described high accuracy H shaped steel universal mill body comprises pull bar 7, and described pull bar 7 is vertically installed, and between itself and frame, end face bearing 6 arranged.
The further technical scheme of the utility model is, there are respectively pull bar elastic colloid 3, pull-rod adjusting nut 4, pull bar copper nut 5 in the position that the two ends of described pull bar 7 contact with frame from the end toward center position, wherein pull-rod adjusting nut 4 and pull bar copper nut 5 join with pull bar 7 screw threads, and the pitch that described screw thread joins is 8mm.
The further technical scheme of the utility model is, the outside that described pull bar copper nut 5 is connected with frame also has anti-rotation profile of tooth pin 8.
The further technical scheme of the utility model is, also comprise column 9, described column 9 has four, lays respectively at the both sides of edger roll, between two edger rolls of every side, guide and guards 17 is arranged all, four columns 9 and two guide and guards 17 consist of the frame body, and fastening bolt 1 is installed on column 9, has two on each column 9, also comprise the auxiliary positioning key 2 that is installed on column 9, it also comprises the alignment pin 10 with positioning sleeve on column 9, it is installed on column 9.
The further technical scheme of the utility model is, described verticle roll unit comprises the edger roll erection support, the centre bore at described edger roll erection support middle part can insert draw bar 11, and each own 15, two bolts hole 15 of two bolts hole of edger roll erection support both sides are symmetrical around the centre bore axis.
The further technical scheme of the utility model is, also comprises the positioning key 16 that is positioned at edger roll erection support avris.
The further technical scheme of the utility model is, also comprises the draw bar 11 that inserts centre bore, and is also fluted between the center bore inner wall of described draw bar 11 and edger roll erection support, flexible damping body 13 in groove.
The further technical scheme of the utility model is, the top of described groove Elastic damping body 13 also has adjusting nut 14, adjusting nut 14 tops also have copper nut 12, and described adjusting nut 14 and copper nut 12 all join with draw bar 11 screw threads, and the pitch that described screw thread joins is 8mm.
In conjunction with Fig. 1 and Fig. 2;
Former bolt is the common double hook bolt, each of left and right, four fastening bolts 1 that are arranged above and below for the left and right after transformation, improved verticle roll unit cantilever tenesmus problem, increasing simultaneously two the auxiliary positioning keys 2 in left and right locates as supplemental support, further solve cantilever phenomenon, to reach best connection effect.
Use plain nut instead powerful nut form, adopt pneumatic impact spanner to improve bonding strength, alleviate workman's labour intensity.
In conjunction with Fig. 4;
To be that dish spring form changes pull bar elastic colloid 3 into originally, all by reducing pitch, former pitch be that 10mm changes 8mm into for pull-rod adjusting nut 4, pull bar copper nut 5, pull bar 7, to improve the total number of teeth in engagement in unit length, further eliminates the leading screw gap.
In conjunction with Fig. 5;
Increase anti-rotation profile of tooth pin 8, prevent the rotational problems of copper nut in the adjustment of rolling mill process.
In conjunction with Fig. 6;
Column 9 is whole milling train critical component (four every) high-strength bolts, and positioning key all is arranged on column, in order to increase installing space, column appearance and size is strengthened, and has both improved rigidity and the intensity of column, has satisfied again the assembling needs.
In Fig. 3, originally alignment pin is directly installed on column, and alignment pin is because of stressed for a long time, and locating hole easily weares and teares, and brings very big inconvenience to ordinary maintenance, after increasing positioning sleeve, has improved the interchangeability of alignment pin by changing positioning sleeve.
In Fig. 7-Figure 11;
Elastic colloid 13 original positions are set to the dish spring, to eliminate the leading screw gap, reduce edger roll spring amount after improving.
Pitch between draw bar 11 and copper nut 12, adjusting nut 14 reduces, and improves the total number of teeth in engagement in unit length, can further eliminate the leading screw gap.
Above demonstration and described basic principle of the present invention, principal character and advantage of the present invention.Those skilled in the art should understand the present invention and not be restricted to the described embodiments; that describes in above-described embodiment and specification just illustrates principle of the present invention; without departing from the spirit and scope of the present invention; the present invention also has various changes and modifications, and these changes and improvements all fall in claimed scope.
Claims (9)
1. high accuracy H shaped steel universal mill, it is characterized in that, comprise rolling mill body and verticle roll unit, rolling mill body comprises four columns (9), four columns (9) are distributed in edger roll both sides, and two of sides have guide and guards between two columns (9) of every side, comprise two cover edger rolls, described two cover verticle roll units are arranged on respectively the both sides of column (9) by eight fastening bolts (1).
2. high accuracy H shaped steel universal mill as claimed in claim 1, is characterized in that, described high accuracy H shaped steel universal mill body comprises pull bar (7), and described pull bar (7) is vertically installed, and between itself and frame, end face bearing (6) arranged.
3. high accuracy H shaped steel universal mill as claimed in claim 2, it is characterized in that, there are respectively pull bar elastic colloid (3), pull-rod adjusting nut (4), pull bar copper nut (5) in the position that the two ends of described pull bar (7) contact with frame from the end toward center position, wherein pull-rod adjusting nut (4) and pull bar copper nut (5) join with pull bar (7) screw thread, and the pitch that described screw thread joins is 8mm.
4. high accuracy H shaped steel universal mill as claimed in claim 3, is characterized in that, the outside that described pull bar copper nut (5) is connected with frame also has anti-rotation profile of tooth pin (8).
5. high accuracy H shaped steel universal mill as claimed in claim 2, it is characterized in that, also comprise column (9), described column (9) has four, between two edger rolls of every side, guide and guards (17) is arranged all, four columns (9) and two guide and guards (17) consist of the frame body, fastening bolt (1) is installed on column (9), there are two on each column (9), also comprise the auxiliary positioning key (2) that is installed on column (9), it is on column (9), also comprise the alignment pin (10) with positioning sleeve, it is installed on column (9).
6. high accuracy H shaped steel universal mill as claimed in claim 1, it is characterized in that, described verticle roll unit comprises the edger roll erection support, the centre bore at described edger roll erection support middle part can insert draw bar (11), each own two bolts hole (15) of edger roll erection support both sides, two bolts hole (15) are symmetrical around the centre bore axis.
7. high accuracy H shaped steel universal mill as claimed in claim 6, is characterized in that, also comprises the positioning key (16) that is positioned at edger roll erection support avris.
8. high accuracy H shaped steel universal mill as claimed in claim 6, it is characterized in that, also comprise the draw bar (11) that inserts centre bore, also fluted between the center bore inner wall of described draw bar (11) and edger roll erection support, flexible damping body (13) in groove.
9. high accuracy H shaped steel universal mill as claimed in claim 8, it is characterized in that, the top of described groove Elastic damping body (13) also has adjusting nut (14), adjusting nut (14) top also has copper nut (12), described adjusting nut (14) and copper nut (12) all join with draw bar (11) screw thread, and the pitch that described screw thread joins is 8mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220668875 CN203002749U (en) | 2012-12-05 | 2012-12-05 | High-accuracy H type steel universal rolling mill |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220668875 CN203002749U (en) | 2012-12-05 | 2012-12-05 | High-accuracy H type steel universal rolling mill |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203002749U true CN203002749U (en) | 2013-06-19 |
Family
ID=48594384
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220668875 Expired - Fee Related CN203002749U (en) | 2012-12-05 | 2012-12-05 | High-accuracy H type steel universal rolling mill |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203002749U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106216407A (en) * | 2016-07-26 | 2016-12-14 | 天津天重中直科技工程有限公司 | The support block structure that in the assembling of short stress path rolling mill roller system, acting surface increases |
| CN106424132A (en) * | 2016-10-27 | 2017-02-22 | 天津市中重科技工程有限公司 | Prestress universal rolling mill for H structural steel production |
-
2012
- 2012-12-05 CN CN 201220668875 patent/CN203002749U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106216407A (en) * | 2016-07-26 | 2016-12-14 | 天津天重中直科技工程有限公司 | The support block structure that in the assembling of short stress path rolling mill roller system, acting surface increases |
| CN106424132A (en) * | 2016-10-27 | 2017-02-22 | 天津市中重科技工程有限公司 | Prestress universal rolling mill for H structural steel production |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130619 Termination date: 20181205 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |