CN217342848U - Positioning and adjusting device for inlet and outlet guide device of continuous rolling mill - Google Patents
Positioning and adjusting device for inlet and outlet guide device of continuous rolling mill Download PDFInfo
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- CN217342848U CN217342848U CN202120548525.4U CN202120548525U CN217342848U CN 217342848 U CN217342848 U CN 217342848U CN 202120548525 U CN202120548525 U CN 202120548525U CN 217342848 U CN217342848 U CN 217342848U
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Abstract
The utility model discloses a positioning adjusting device of a continuous rolling mill inlet and outlet guide device, which comprises an adjusting template, a reference template, a positioning template and an eccentric pin; the adjusting template comprises a base, a support and a plane plate, wherein the lower end of the support is connected with the upper surface of the base, and the upper end of the support is connected with the lower surface of the plane plate; the upper end of the reference template is matched with the guide base supports on the inlet and outlet guide devices, the lower end of the reference template is provided with a positioning groove, and the reference template is also provided with a slotted hole; the positioning template is provided with a plurality of grooves, and the number of the grooves is matched with the number of slotted holes on a roller of the continuous rolling mill; the eccentric pin is arranged on a guide beam of the continuous rolling mill and matched with the reference template and the positioning template. The utility model discloses can satisfy the accurate positioning requirement of continuous rolling unit guide installation.
Description
Technical Field
The utility model relates to an exit guide fittings location technique of tandem mill, more specifically say, relate to a tandem mill advances, exports guide fittings's positioning adjustment device.
Background
The level of steel production is an important mark for measuring four modernization levels of national industry, agriculture, national defense and scientific technology. In the total amount of steel produced, more than about 90% of the steel must be rolled into a product. The conventional bar production is to roll the ingot into billets of various specifications by a blooming mill (or cogging mill) and then roll the billets into bars by a finishing mill. The guide and guard device is used for almost all the entrance and exit of the pass on the rolling mill, and the purpose is to ensure that the rolled piece can enter and exit the pass according to the required state to ensure that the rolled piece rolls according to the established deformation condition, and if the guide and guard device is properly adjusted, the deficiency of the pass design can be compensated.
The continuous rolling mill set arranged at 45 degrees is provided with cores of four models which are CCR530, CCR450, CCR380 and CCR320 respectively, the continuous rolling area production line is provided with 16 passes, the model of the core of the rolling mill used in each pass is shown in the following table 1, the core is used for producing bars with the diameter of 14-85 mm, and the number of the used passes is different according to different specifications. During rolling production, an inlet guide and guard device and an outlet guide and guard device are also mounted on the continuous rolling mill, the types of the guide and guard devices used are different according to different passes, and the specific types of the guide and guard devices used in each pass are shown in the following table 2.
TABLE 1
| Pass | Core model of rolling mill |
| 1～2 | CCR530 |
| 3～6 | CCR450 |
| 7～10 | CCR380 |
| 11～16 | CCR320 |
TABLE 2
Referring to fig. 1 to 3, in actual production, an inlet guide and an outlet guide are respectively installed on a guide base bracket 1 of a rolling mill core, and after the guide is installed, the positions of the guide and the outlet guide can be adjusted through screw rod transmission on a guide cross beam 4 according to different positions of a slotted hole 3 processed on a roller 2.
The existing steps for installing the core and the guide device of the rolling mill are as follows:
1) mounting the processed roller 2 on a machine core of a rolling mill;
2) the in-out guide and guard device is arranged on a guide and guard base bracket 1 of a rolling mill core;
3) according to the different positions of the slot holes 3 to be used, the positions of the in-and-out guide device are moved through the transmission of a screw rod on the guide beam 4, so that the rolling central line 5 of the in-and-out guide is on the same straight line with the center 6 of the slot hole 3 on the roller 2.
However, according to the above installation steps, the position of the guide device is adjusted by manual visual inspection and experience, and it cannot be ensured that the rolling center line 5 of the inlet and outlet guide and the center 6 of the slot 3 on the roller 1 are on the same straight line, and certain artificial errors exist. And, when the rolling mill core is installed on the production line, because the slotted hole is worn out after using, need to change the slotted hole and produce, though can adjust the position of the guide through adjusting the lead screw drive on the guide crossbeam 4, but can't guarantee the guide moves to the position and is the position that the production requires, because the rolling mill core is installed on the production line, import guide one side and the equipment on the production line is very close, can't stand people at all, just can't adjust the position of the guide through the visual method, people can only stand beside the rolling mill core and look at the oblique side and adjust the mobile position of the guide, so the mobile position of the guide can't guarantee its precision more, can cause the product quality problem, the serious steel piling accident that may take place.
SUMMERY OF THE UTILITY MODEL
To the above-mentioned defect that exists among the prior art, the utility model aims at providing a continuous rolling mill advances, exports guide and guards the positioning adjustment device of device to satisfy the accurate positioning requirement of continuous rolling mill group guide and guards installation.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a positioning adjusting device of a continuous rolling mill inlet and outlet guide device comprises an adjusting template, a reference template, a positioning template and an eccentric pin;
the adjusting template comprises a base, a support and a plane plate, wherein the lower end of the support is connected with the upper surface of the base, and the upper end of the support is connected with the lower surface of the plane plate;
the upper end of the reference template is matched with the guide base supports on the inlet and outlet guide devices, the lower end of the reference template is provided with a positioning groove, and the reference template is also provided with a slotted hole;
the positioning template is provided with a plurality of grooves, and the number of the grooves is matched with the number of slotted holes on a roller of the continuous rolling mill;
the eccentric pin is arranged on a guide beam of the continuous rolling mill and matched with the reference template and the positioning template.
Preferably, the length and the width of the base are consistent with those of the guide base bracket;
the lower surface of the base is provided with a dovetail groove, and the dovetail groove is matched with a key on the guide base bracket.
Preferably, the support is a cross-shaped support formed by three steel plates, wherein two through holes are formed in one steel plate.
Preferably, the width of the plane plate is set to be unequal, and the distance between the guide base support and the roller is the length of the plane plate.
Preferably, the positioning groove is semicircular, the radius is 8 +/-0.05 mm, and the depth is 26 +/-0.05 mm.
Preferably, the upper end of the positioning template is matched with the guide base supports on the inlet and outlet guide devices, the lower end of the positioning template is provided with a plurality of grooves, and the number of the grooves is matched with the number of the upper end slotted holes of the rollers;
the positioning template is also provided with a slotted hole.
Preferably, the lower end of the positioning template is provided with a plurality of grooves, and the number of the grooves is matched with that of the lower end slotted holes of the roller.
Preferably, the eccentric distance of the eccentric pin is-2 to +2mm, the outer diameter is 16mm, and the tolerance of the outer diameter is 0.00 to 0.05 mm.
The utility model provides a pair of tandem mill advances, exports and leads positioning adjustment device of guarding device has ensured the positioning accuracy who leads and guards, has improved rolling stability, has reduced the scotch problem, and the qualification rate of product improves greatly. The method also has the following beneficial effects:
1) the design is reasonable, and the structure is simple;
2) the operation is convenient, and the positioning is correct;
3) the cost is low, and the material selection is wide;
4) when the rolling mill movement is on the production line, the guide and guard can be correctly positioned by the invention.
Drawings
FIG. 1 is a schematic structural view of a prior art tandem mill movement;
FIG. 2 is a schematic view of a prior art entry guide;
FIG. 3 is a schematic view of a prior art exit guide;
FIG. 4 is a schematic view of a roll and a slot on a conventional continuous rolling mill;
fig. 5 is a schematic structural view of an adjusting template in the positioning adjustment device of the continuous rolling mill inlet and outlet guide device of the present invention, wherein, (a) is a front view, (b) is a side view, and (c) is a top view;
FIG. 6 is a schematic structural view of a reference template in the positioning adjustment device of the tandem mill inlet and outlet guide device of the present invention;
fig. 7 is a schematic structural diagram of a positioning template in a positioning adjustment device of a tandem mill inlet and outlet guide device according to the present invention, wherein (a) is a schematic diagram of type a, and (b) is a schematic diagram of type b;
fig. 8 is a schematic view of the position adjusting device of the tandem mill inlet and outlet guide device according to the present invention.
Detailed Description
In order to better understand the technical solution of the present invention, the following further describes the technical solution of the present invention with reference to the accompanying drawings and embodiments.
Referring to fig. 5 to 8, the positioning adjustment device for the tandem mill inlet and outlet guide device according to the present invention includes an adjustment template 7, a reference template 8, a positioning template 9 and an eccentric pin 10.
The adjusting template 7 comprises a base 701, a bracket 702 and a flat plate 703, wherein the materials are 45# steel, the lower end of the bracket 702 is welded on the upper surface of the base 701, and the upper end of the bracket 702 is welded on the lower surface of the flat plate 703, as shown in fig. 5 (a).
The length and the width of the base 701 are consistent with those of the guide base support, a dovetail groove 704 is formed in the lower surface of the base 701, the dovetail groove 704 is matched with a key on the guide base support, the matching accuracy is within +/-0.05 mm, and the guide base support is used for being installed on the guide base support.
The bracket 702 is a cross bracket formed by welding three steel plates with the thickness of 10mm, wherein two through holes 705 with the diameter of 40mm are formed in one steel plate, the height position of the through hole 705 is at the center position of the steel plate, and the cross bracket is convenient to use on the basis of ensuring the firm and stable structure and reducing the self weight of the bracket 702, as shown in (b) in fig. 5. The main functions are as follows:
1) connecting base 701 and flat panel 703;
2) the position of the upper surface of the flat plate 703 is ensured to be at the same height as the position of the rolling center line of the roll.
The flat plate 703 is made of a steel plate having a thickness of 15mm and a width of 170mm at the left end, and has a width of 200mm at the right end to reduce its weight, as shown in fig. 5 (c), so as to be in conformity with the width of the base 701. The length of the flat plate 703 is determined according to the distance between the guide base bracket and the roll. During the processing of the flat plate 703, the symmetry of the flat plate 703 and the processing accuracy of the upper and lower end faces of the panel are within ± 0.05mm, which is convenient for the positioning measurement of the upper surface of the flat plate 703 and the end face of the roll body of the roll.
The adjusting template 7 is used for moving the adjusting template 7 to a position where the distance between the upper surface of the plane plate 703 and the end surface of the roll body of the roll is 0mm by rotating the screw rod of the guide beam after the adjusting template 7 is installed on the guide base bracket, as shown in fig. 8.
The upper end structure of the reference template 8 is designed according to the structure of a guide base support on an inlet guide device and an outlet guide device, the upper end of the reference template 8 and the side surface of the guide base support are in the same plane, the lower end of the reference template 8 is provided with a positioning groove 801, the positioning groove 801 is semicircular, the radius is 8 +/-0.05 mm, the depth is 26 +/-0.05 mm, the machining precision of the upper end surface of the positioning groove 801 and the upper end surface of the reference template 8 is within +/-0.05 mm, the reference template is used for being matched with the eccentric pin 10, the matching tolerance is 0.05-0.2 mm, and the positioning effect is achieved. The reference template 8 is also provided with a waist-shaped slot 802 at the middle position, and the length and the width are designed under the condition of ensuring the strength of the reference template 8 and are also used for the hand-holding position.
The main function of the reference template 8 is to clamp the positioning groove 801 on the reference template 8 on the eccentric pin 10 when the distance between the upper end surface of the plane plate of the adjusting template 7 and the upper end surface of the roller body of the roller is adjusted to be 0mm, and to make the upper end surface of the reference template 8 and the lower end surface of the guide base bracket on the same plane by adjusting the eccentric pin 10, as shown in fig. 8.
The positioning template 9 has two types, i.e. a type a shown in fig. 7 (a) and a type b shown in fig. 7 (b), the structure of the positioning template 9 of the type a is similar to that of the reference template 8, the upper end of the positioning template 9 is matched with the guide base bracket on the inlet and outlet guide device, the lower end of the positioning template 9 is provided with a plurality of grooves 901, the number of the grooves 901 is determined according to the number of the upper end slotted holes of the roller, and the opening size between the grooves 901 is determined according to the position of the upper end slotted holes of the roller (e.p., L1, L2 and the like shown in fig. 4).
The positioning template 9 is also provided with a slot 902, so that the self weight is reduced and the positioning template is also used for holding the hand.
The lower end of the locating template 9 of type b is provided with a plurality of grooves 903, and the number of the grooves 903 is determined according to the number of the lower end slotted holes of the roller.
The positioning template 9 of type a functions the same as the positioning template 9 of type b, but has a different structure. The positioning template 9 of the type a is mainly used for a slotted hole close to the upper end of the roller, and the positioning template 9 of the type b is mainly used for a slotted hole close to the lower end of the roller, and when the slotted hole at the lower end of the roller is used, the positioning template 9 of the type a cannot be used when the distance between the guide base bracket and the rolling machine core is less than 55mm, so that the positioning template 9 of the type b can only be used instead, as shown in fig. 8.
The eccentric pin 10 is arranged on a guide crossbeam of the continuous rolling mill, the eccentric distance of the eccentric pin 10 is-2 to +2mm, the outer diameter is 16mm, and the tolerance of the outer diameter is 0.00 to 0.05 mm.
The eccentric pin 10 is mainly used in cooperation with the reference die plate 8 and the positioning die plate 9, as shown in fig. 8.
Adopt the utility model discloses continuous rolling mill advances, exports and leads the positioning adjustment device of defending the device, can satisfy the continuous rolling mill group and lead the accurate positioning requirement of defending the installation, the user mode includes that off-line installation adjustment is imported and exported and is led defending the device or online adjustment is imported and exported and is led defending the device.
The off-line installation and adjustment of the inlet and outlet guide device comprises the following steps:
1) after the roller is arranged on a rolling mill, an adjusting template 7 is arranged on a guide base bracket and is adjusted by rotating a screw rod on a guide beam, so that the distance between the upper surface of a plane plate 703 of the adjusting template 7 and the end surface of the roller body of the roller 1 is 0 mm;
2) clamping the positioning groove 801 of the reference template 8 on the eccentric pin 10, adjusting the eccentric pin 10 to enable the upper side surface of the reference template 8 and the side surface of the guide base bracket to be on the same plane, and after the adjustment work is finished, detaching the adjusting template 7 and the reference template 8;
3) then according to the position of a slotted hole on the used roller, the guide base support is rotationally moved to the position corresponding to the slotted hole through a screw rod on the guide cross beam, so that the guide base support is close to the position corresponding to the slotted hole, then a positioning template 9 is used, the type of the positioning template 9 is selected according to the position of the slotted hole, a groove in the positioning template 9 is clamped on an eccentric pin 10, the screw rod on the guide cross beam is rotated to adjust the guide base support until the upper side surface of the positioning template 9 and the side surface of the guide base support are on the same plane, and after the step is completed, the positioning template 9 is dismounted (the positioning template 9 of the type b has the same function as the positioning template 9 of the type a, and only the structure is different). The positioning template 9 of the type a is mainly used for a slotted hole close to the upper end of the roller, and the positioning template 9 of the type b is mainly used for a slotted hole close to the lower end of the roller, and when the slotted hole at the lower end of the roller is used, the positioning template 9 of the type a cannot be used when the distance between the guide base bracket and the rolling machine core is less than 55mm, so that the positioning template 9 of the type b can only be used;
4) and finally, the inlet and outlet guide device is installed on the guide base bracket, and the guide installation work is completed.
The online adjustment of the inlet and outlet guide device comprises the following steps:
1) when the rolling mill is installed on a continuous rolling line, the adjacent slotted holes are replaced and used because the slotted holes on the rollers are abraded after rolling for a certain tonnage. The position of the inlet and outlet guide and guard device can be adjusted on line according to the change of the position of the slotted hole. Stopping the production line, and moving the inlet and outlet guide and guard devices to be close to the positions corresponding to the slotted holes by rotating a screw rod on a guide and guard beam after the rolling mill is in a stop working state;
2) then, the positioning template 9 is used, the type of the positioning template 9 is selected according to the position of a slotted hole on the roller, a groove on the positioning template 9 is clamped on the eccentric pin 10, a screw rod on the guide beam is rotated to adjust the guide base support until the upper side surface of the positioning template 9 and the side surface of the guide base support are on the same plane, and after the work is finished, the positioning template 9 is detached, and the production can be continued.
To sum up, the utility model discloses tandem mill advances, exports and leads the positioning adjustment device of defending the device, can ensure to advance, export and lead the correct positioning of defending the device, has improved rolling stability, has reduced the scotch problem, and the qualification rate of product improves greatly.
It will be appreciated by those skilled in the art that the above embodiments are only for illustrating the present invention and are not to be used as limitations of the present invention, and that changes and modifications to the above described embodiments will fall within the scope of the claims of the present invention as long as they are within the spirit and scope of the present invention.
Claims (8)
1. The utility model provides a continuous rolling mill advances, export guide fittings's positioning adjustment device which characterized in that: the device comprises an adjusting template, a reference template, a positioning template and an eccentric pin;
the adjusting template comprises a base, a support and a plane plate, wherein the lower end of the support is connected with the upper surface of the base, and the upper end of the support is connected with the lower surface of the plane plate;
the upper end of the reference template is matched with the guide base supports on the inlet and outlet guide devices, the lower end of the reference template is provided with a positioning groove, and the reference template is also provided with a slotted hole;
the positioning template is provided with a plurality of grooves, and the number of the grooves is matched with the number of slotted holes on a roller of the continuous rolling mill;
the eccentric pin is arranged on a guide beam of the continuous rolling mill and matched with the reference template and the positioning template.
2. The continuous rolling mill inlet and outlet guide device positioning and adjusting device according to claim 1, wherein: the length and the width of the base are consistent with those of the guide base bracket;
the lower surface of the base is provided with a dovetail groove, and the dovetail groove is matched with a key on the guide base bracket.
3. The continuous rolling mill inlet and outlet guide positioning and adjusting device according to claim 1, wherein: the support is a cross-shaped support consisting of three steel plates, wherein two through holes are formed in one steel plate.
4. The continuous rolling mill inlet and outlet guide positioning and adjusting device according to claim 1, wherein: the width of the plane plate is set to be unequal, and the distance between the guide base support and the roller is the length of the plane plate.
5. The continuous rolling mill inlet and outlet guide positioning and adjusting device according to claim 1, wherein: the positioning groove is semicircular, the radius is 8 +/-0.05 mm, and the depth is 26 +/-0.05 mm.
6. The continuous rolling mill inlet and outlet guide positioning and adjusting device according to claim 1, wherein: the upper end of the positioning template is matched with the guide base supports on the inlet and outlet guide devices, the lower end of the positioning template is provided with a plurality of grooves, and the number of the grooves is matched with that of the slotted holes at the upper ends of the rollers;
the positioning template is also provided with a slotted hole.
7. The continuous rolling mill inlet and outlet guide positioning and adjusting device according to claim 1, wherein: the lower end of the positioning template is provided with a plurality of grooves, and the number of the grooves is matched with that of the lower end slotted holes of the roller.
8. The continuous rolling mill inlet and outlet guide positioning and adjusting device according to claim 1, wherein: the eccentric distance of the eccentric pin is-2 to +2mm, the outer diameter is 16mm, and the tolerance of the outer diameter is 0.00 to 0.05 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120548525.4U CN217342848U (en) | 2021-03-17 | 2021-03-17 | Positioning and adjusting device for inlet and outlet guide device of continuous rolling mill |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120548525.4U CN217342848U (en) | 2021-03-17 | 2021-03-17 | Positioning and adjusting device for inlet and outlet guide device of continuous rolling mill |
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| Publication Number | Publication Date |
|---|---|
| CN217342848U true CN217342848U (en) | 2022-09-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120548525.4U Active CN217342848U (en) | 2021-03-17 | 2021-03-17 | Positioning and adjusting device for inlet and outlet guide device of continuous rolling mill |
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| CN (1) | CN217342848U (en) |
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2021
- 2021-03-17 CN CN202120548525.4U patent/CN217342848U/en active Active
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