CN210586394U - Strip threading auxiliary device at inlet of continuous rolling mill - Google Patents
Strip threading auxiliary device at inlet of continuous rolling mill Download PDFInfo
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- CN210586394U CN210586394U CN201921079553.5U CN201921079553U CN210586394U CN 210586394 U CN210586394 U CN 210586394U CN 201921079553 U CN201921079553 U CN 201921079553U CN 210586394 U CN210586394 U CN 210586394U
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Abstract
The utility model relates to a strip threading auxiliary device at the entrance of a continuous rolling mill, which comprises a frame platform, wherein the frame platform is horizontally arranged between a steel strip pinch roll mechanism and a hydraulic shear along the front-back direction; the guide plate is hinged to the rear end of the frame platform; the swing driving mechanism is connected with the guide plate and can drive the guide plate to turn downwards to be horizontal or drive the guide plate to turn upwards to be inclined upwards; the steel strip guide mechanism is arranged at the upper part of the front end of the frame platform, and the upper end of the steel strip guide mechanism forms a guide surface which inclines downwards from back to front; the traction roller is horizontally arranged between the steel belt guide mechanism and the guide plate along the left-right direction; and the driving end of the displacement adjusting mechanism is rotationally connected with the traction roller and can drive the traction roller to move up and down through the driving end. The advantages are that: structural design is reasonable, can realize that the steel band from hydraulic pressure is cut good pay-off and the material of wearing of continuous rolling mill to do benefit to the good transmission of steel band in the subsequent processing, improved traditional manual work and worn the material situation with high costs, inefficiency.
Description
Technical Field
The utility model belongs to the technical field of the steel rolling, in particular to tandem mill entry threading auxiliary device.
Background
The tandem mill has the specific advantages of high capacity, high automation degree, high yield and high production efficiency, but in the conventional process, the steel strip is mainly transmitted by manually assisting in the transmission process from the hydraulic shear shearing strip head to the tandem mill, the manual operation cost is high, the efficiency is low, the capacity of a tandem mill set is seriously influenced, the automation degree of the set is reduced, and the production cost of production enterprises is also increased.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that a tandem mill entry threading auxiliary device is provided, the effectual defect of overcoming prior art.
The utility model provides an above-mentioned technical problem's technical scheme as follows: an auxiliary device for threading a strip at an inlet of a continuous rolling mill comprises a frame platform, wherein the frame platform is horizontally arranged between a steel strip pinch roll mechanism and a hydraulic shear along the front-back direction; the guide plate is hinged to the rear end of the frame platform; the swinging driving mechanism is connected with the guide plate and can drive the guide plate to turn downwards to be horizontal, and one end of the guide plate, which is far away from the swinging driving mechanism, extends to a material outlet of the hydraulic shear or drives the guide plate to turn upwards to be inclined upwards; the steel belt guide mechanism is arranged at the upper part of the front end of the frame platform, and the upper end of the steel belt guide mechanism forms a horizontal guide surface; the traction roller is horizontally arranged between the steel belt guide mechanism and the guide plate along the left-right direction; and the driving end of the displacement adjusting mechanism is rotatably connected with the traction roller and can drive the traction roller to move up and down through the driving end, so that the height of the top point of the upper part of the traction roller is higher or lower than the height of the guide surface.
The utility model has the advantages that: the structure design is simple and reasonable, good feeding and penetrating of the steel belt from the hydraulic shear to the tandem mill can be realized, good transmission of the steel belt in subsequent processing is facilitated, and the conditions of high cost and low efficiency of traditional manual penetrating are improved.
On the basis of the technical scheme, the utility model discloses can also do following improvement.
Further, the swing driving mechanism is an air cylinder, a cylinder body of the swing driving mechanism is positioned below the guide plate and is hinged to one end, close to the hydraulic shear, of the frame platform, the tail end of a piston rod of the swing driving mechanism is hinged to the lower end of the guide plate, and the air cylinder can drive the guide plate to turn up and down through the piston rod.
The beneficial effects of adopting the above further scheme are that simple structure, operation convenient to use.
The rotary plate is characterized by further comprising a traction plate, wherein a rotating shaft transversely penetrates through one end of the traction plate, is rotatably connected with the other end of the guide plate and is in transmission connection with a rotary driving mechanism arranged at the other end of the guide plate, and the rotary driving mechanism can drive the traction plate to turn over up and down.
The beneficial effect who adopts above-mentioned further scheme is through the traction plate fine setting upset for the traction plate can be well docked with the material export of hydraulic pressure scissors, thereby makes the steel band can be smooth transmit forward along the baffle.
Further, the steel strip guide mechanism comprises a plurality of guide rollers, the guide rollers are installed at the upper end of the frame platform in a left-right rotating mode and distributed at intervals in the front-back direction, and the planes of common tangent lines of the upper portions of the guide rollers form the guide surfaces.
The beneficial effect of adopting above-mentioned further scheme is that the design is simple, can make smooth the forward transport of steel band.
Further, the steel strip guide mechanism further comprises a first auxiliary guide plate, the first auxiliary guide plate is arranged at the upper end of the frame platform and distributed between two adjacent guide rollers, each first auxiliary guide plate extends upwards in a backward and forward inclined mode, and the front end and the rear end of each first auxiliary guide plate are close to two adjacent guide rollers respectively.
The beneficial effect of adopting above-mentioned further scheme is that the steel band can be guaranteed can be good to the tandem mill transport, can not take place the situation that the tip is buckled downwards and is difficult to continue to carry forward.
Further, the displacement adjusting mechanism comprises a hydraulic cylinder and a support, one end of the support is rotatably mounted on the frame platform, the other end of the support extends upwards in an inclined mode and forms a driving end of the displacement adjusting mechanism, a cylinder body of the hydraulic cylinder is hinged to the frame platform and located below the support, a hydraulic rod of the hydraulic cylinder is hinged to the lower end of one end of the support, and the hydraulic cylinder can drive the support to turn over up and down through the hydraulic rod so as to drive the traction roller to move up and down.
The beneficial effect of adopting above-mentioned further scheme is that displacement adjustment mechanism design is simple, operation convenient to use.
Further, a second auxiliary guide plate is mounted at the other end of the support, the second auxiliary guide plate is located on the side of the traction roller, which is far away from the guide plate, when the traction roller moves downwards to the position that the top apex of the traction roller is lower than the height of the guide surface, the second auxiliary guide plate is in a state of extending obliquely upwards, one end, which is far away from the traction roller, of the second auxiliary guide plate extends obliquely upwards to be close to one guide roller adjacent to the second auxiliary guide plate, and when the traction roller moves upwards to the maximum stroke, the second auxiliary guide plate is in a state of extending obliquely downwards, and one end, which is far away from the traction roller, of the second auxiliary guide plate extends obliquely downwards to the position, which is close to the apex, above one guide roller adjacent to the second auxiliary.
The beneficial effect of adopting above-mentioned further scheme is that this design avoids taking place the situation that is difficult to continue to carry forward because of buckling between carry over pinch rolls and the adjacent guide roll in the place ahead in steel band forward transmission process.
Drawings
Fig. 1 is a schematic structural view of the tandem mill entrance threading auxiliary device of the present invention;
FIG. 2 is a diagram showing the use state of the auxiliary device for threading at the entrance of the continuous rolling mill when a traction steel belt passes through;
fig. 3 is a diagram of the use state of the auxiliary device for threading at the entrance of the continuous rolling mill of the present invention when the steel strip is fed into the continuous rolling mill for processing.
In the drawings, the components represented by the respective reference numerals are listed below:
1. the device comprises a frame platform, 2, a guide plate, 3, a swing driving mechanism, 4, a steel strip guide mechanism, 5, a traction roller, 6, a displacement adjusting mechanism, 7, a steel strip pinch roller mechanism, 8, a hydraulic shear, 9, a waste collecting device, 21, a traction plate, 41, a guide roller, 42, a first auxiliary guide plate, 61, a hydraulic cylinder, 62, a support, 81, a material sliding plate, 621 and a second auxiliary guide plate.
Detailed Description
The principles and features of the present invention are described below in conjunction with the following drawings, the examples given are only intended to illustrate the present invention and are not intended to limit the scope of the present invention.
Example (b): as shown in fig. 1 to 3, the present embodiment provides a tandem mill entrance threading assisting apparatus, the whole threading assisting apparatus is arranged between a strip clamping roller mechanism 7 (the strip clamping roller mechanism 7 is a part of the tandem mill and is a prior art) and a hydraulic shear 8 which are distributed at intervals in the front-rear direction, wherein the threading assisting apparatus comprises a frame platform 1, the frame platform 1 is horizontally arranged between the strip clamping roller mechanism 7 and the hydraulic shear 8 in the front-rear direction; the guide plate 2 is hinged to the rear end of the frame platform 1; the swing driving mechanism 3 is connected with the guide plate 2, and can drive the guide plate 2 to turn downwards to be horizontal, and make one end of the guide plate 2 far away from the end extend to a material outlet of the hydraulic shear 8, or drive the guide plate 2 to turn upwards to be inclined upwards; a steel strip guide mechanism 4, wherein the steel strip guide mechanism 4 is installed on the upper part of the front end of the frame platform 1, and the upper end of the steel strip guide mechanism 4 forms a horizontal guide surface; a pull roll 5, wherein the pull roll 5 is horizontally arranged between the steel strip guide mechanism 4 and the guide plate 2 along the left-right direction; and a displacement adjusting mechanism 6, wherein the driving end of the displacement adjusting mechanism 6 is rotatably connected with the traction roller 5, and the traction roller 5 can be driven by the driving end to move up and down, so that the height of the top point of the traction roller 5 is higher or lower than the height of the guide surface.
When assembling, the front end of the frame platform 1 is close to the steel belt clamping roller mechanism 7, and the height of the material inlet of the steel belt clamping roller mechanism 7 is ensured to be higher than or equal to the height of the guide surface, and when the steel belt is assisted to be conveyed, the method is divided into the following three stages:
① steel band head cutting stage (as shown in fig. 1), during processing, the swing driving mechanism 3 drives the guide plate 2 to turn upwards to incline upwards, that is, the end of the guide plate 2 far away from the hinge joint with the frame platform 1 is located above the front side of the material outlet of the hydraulic shears 8, generally, a material sliding plate 81 inclining downwards to the front side is arranged below the front side of the material outlet of the hydraulic shears 8, the inclined downward end of the material sliding plate 81 extends to the upper part of the material dropping port of the waste material collecting device 9, and the steel band head cut by the hydraulic shears 8 falls into the waste material collecting device 9 along the material sliding plate 81 to be collected;
② steel strip is delivered to the continuous rolling mill (as shown in fig. 2), during the process, the swing driving mechanism 3 drives the guide plate 2 to turn downwards to horizontal, that is, the end of the guide plate 2 far away from the hinged part with the frame platform 1 is positioned at the material outlet of the hydraulic shear 8, and the position of the traction roller 5 at this time should be properly adjusted (specifically, the height of the top point of the traction roller 5 should be consistent with the height of the guide surface), meanwhile, the height of the upper surface of the guide plate 2 in horizontal state should be lower than or equal to the height of the lower edge of the material outlet of the hydraulic shear 8, so as to ensure that the steel strip can be delivered forwards along the horizontal guide plate 2, and then the steel strip is delivered to the material inlet of the continuous rolling mill along the guide plate 2 and the guide surface, and further passes through the steel strip clamping roller mechanism 7, completing the;
③ the steel belt is processed in the continuous rolling mill (as shown in fig. 3), when the steel belt is processed in this stage, the steel belt has already established a tension working state, and at the same time, the displacement of the pulling roll 5 is adjusted by the displacement adjusting mechanism 6, so that the pulling roll is moved upwards or moved upwards to the maximum stroke (ensuring that the top height of the upper part of the pulling roll 5 should be higher than the height of the guide surface to an adaptive value), at this time, the middle part of the steel belt is arched upwards, and the two ends of the steel belt are respectively located at the hydraulic shear 8 and the steel belt clamping roll mechanism 7, so that the steel belt can be prevented from contacting the steel belt guide mechanism.
The whole threading and transmission process is mechanically completed, less workers participate in the operation link, the efficiency is high, the threading and transmission period is shortened, and the labor investment and the cost are reduced.
In a preferred embodiment, the swing driving mechanism 3 is a cylinder, a cylinder body of the cylinder is located below the guide plate 2 and is hinged to one end of the frame platform 1 close to the hydraulic shears, a tail end of a piston rod of the cylinder is hinged to a lower end of the guide plate 2, the cylinder can drive the guide plate 2 to turn up and down through the piston rod, the cylinder is connected with a pneumatic valve table during operation, and the operation of the cylinder can be controlled through the supply of compressed air of the pneumatic valve table, so that the whole swing driving mechanism 3 is simple in design and convenient to operate and use.
Of course, the swing driving mechanism 3 should include, but not limited to, the above-mentioned air cylinder, and it can be an electric cylinder, an electric push rod, a hydraulic cylinder, etc. with similar functions or functions, and can also be other products or structures with similar functions or functions.
As a preferred embodiment, the steel strip conveying device further comprises a traction plate 21, wherein a rotating shaft is transversely installed at one end of the traction plate 21 in a penetrating manner, the rotating shaft is rotatably connected with the other end of the guide plate 2 and is in transmission connection with a rotary driving mechanism installed at the other end of the guide plate 2, the rotary driving mechanism can drive the traction plate 21 to turn up and down, the traction plate 21 is designed to facilitate adjustment, and the traction plate 21 can be well butted with a material outlet of the hydraulic shears 8 by finely adjusting the turning of the traction plate 21 under the horizontal state of the guide plate 2, so that the steel strip can be smoothly conveyed along the guide plate 2.
In a preferred embodiment, the steel strip guiding mechanism 4 includes a plurality of guiding rollers 41, the guiding rollers 41 are rotatably mounted on the upper end of the frame platform 1 along the left-right direction and are distributed at intervals along the front-rear direction, a plane where a common tangent line of the upper portions of the guiding rollers 41 is located constitutes the guiding surface, and the distribution of the guiding rollers 41 enables the steel strip conveyed forward along the guide plate 2 to smoothly enter the material inlet of the continuous rolling mill 7 forward, thereby achieving good threading conveyance.
As a preferable embodiment, the steel strip guiding mechanism 4 further includes a first auxiliary guiding plate 42, the first auxiliary guiding plate 42 is installed at the upper end of the frame platform 1 and is distributed between two adjacent guiding rollers 41, each first auxiliary guiding plate 42 extends upwards in a backward and forward inclined manner, and the front end and the rear end thereof are respectively close to two adjacent guiding rollers 41, the design is reasonable, so that the front end of the steel strip can be fed into the position of the front adjacent guiding roller 41 again under the assistance of the first auxiliary guiding plate 42 after the steel strip passes forward one guiding roller 41 and is likely to bend downwards, and good transmission of the steel strip can be ensured to continue forward, and it is required to be noted that: the front ends of the first auxiliary guide plates 42 extend to the positions close to the top points of the rear sides of the guide rollers 41 adjacent in front, so that the front end of the steel strip can be smoothly conveyed to the next guide roller 41 after contacting the first auxiliary guide plates 42.
As a preferred embodiment, the displacement adjusting mechanism 6 includes a hydraulic cylinder 61 and a bracket 62, one end of the bracket 62 is rotatably mounted on the frame platform 1, the other end of the bracket 62 extends obliquely upward and forms a driving end of the displacement adjusting mechanism 6, a cylinder body of the hydraulic cylinder 61 is hinged to the frame platform 1 and located below the bracket 62, a hydraulic rod of the hydraulic cylinder is hinged to a lower end of one end of the bracket 62, the hydraulic cylinder 61 can drive the bracket 62 to turn up and down through the hydraulic rod, so as to drive the traction roller 5 to move up and down, when the hydraulic cylinder 61 is connected to a hydraulic station, the operation of the hydraulic cylinder 61 can be controlled through the supply of hydraulic oil from the hydraulic station, and the whole displacement adjusting mechanism 6 is simple in design and convenient to operate and use.
Of course, the hydraulic cylinder 61 may be an electric cylinder, an electric push rod, or other products or structures with similar functions or functions.
In a preferred embodiment, a second auxiliary guide plate 621 is mounted on the other end of the support frame 62, and the second auxiliary guide plate 621 is located on the side of the pull roll 5 away from the guide plate 2, and when the pull roll 5 moves downward to a height where the upper vertex is lower than the guide surface, the second auxiliary guide plate 621 extends obliquely upward, and one end of the second auxiliary guide plate 621 away from the pull roll 5 extends obliquely upward to be close to one of the guide rolls 41 adjacent thereto, when the pull roll 5 moves upward to a maximum stroke, the second auxiliary guide plate 621 extends obliquely downward, and one end of the second auxiliary guide plate 621 away from the pull roll 5 extends obliquely downward to be close to the vertex above one of the guide rolls 41 adjacent thereto, and when the steel strip is in the continuous rolling stage, the second auxiliary guide plate can prevent a large gap from being formed between the pull roll 5 and the adjacent guide roll 41, further, the leading end of the steel strip after passing through the pulling roll 5 is once bent downward and then can contact the second auxiliary guide plate 621 and be transferred forward along the second auxiliary guide plate 621 to the adjacent guide roll 41, so that the steel strip can be transferred forward well.
The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.
Claims (7)
1. A strip threading auxiliary device at an inlet of a continuous rolling mill, which is arranged between a steel strip pinch roll mechanism (7) and a hydraulic shear (8) that are spaced apart in a front-rear direction, the strip threading auxiliary device comprising:
the steel strip pinch roll device comprises a frame platform (1), wherein the frame platform (1) is horizontally arranged between a steel strip pinch roll mechanism (7) and a hydraulic shear (8) along the front-back direction;
the guide plate (2) is hinged to the rear end of the frame platform (1);
the swing driving mechanism (3) is connected with the guide plate (2), and can drive the guide plate (2) to turn downwards to be horizontal, and enable one end, far away from the guide plate (2), of the guide plate (2) to extend to a material outlet of the hydraulic shear (8), or drive the guide plate (2) to turn upwards to be inclined upwards;
the steel strip guide mechanism (4) is arranged at the upper part of the front end of the frame platform (1), and the upper end of the steel strip guide mechanism (4) forms a guide surface which inclines downwards from back to front;
the traction rollers (5) are horizontally arranged between the steel strip guide mechanism (4) and the guide plate (2) along the left-right direction;
and the driving end of the displacement adjusting mechanism (6) is rotationally connected with the traction roller (5) and can drive the traction roller (5) to move up and down through the driving end, so that the height of the top point of the upper part of the traction roller (5) is higher or lower than the height of the guide surface.
2. The tandem mill entry threading aid of claim 1, wherein: the swing driving mechanism (3) is an air cylinder, a cylinder body of the swing driving mechanism is positioned below the guide plate (2) and is hinged to one end, close to the hydraulic shear, of the frame platform (1), the tail end of a piston rod of the swing driving mechanism is hinged to the lower end of the guide plate (2), and the air cylinder can drive the guide plate (2) to overturn up and down through the piston rod.
3. A tandem mill entry threading aid according to claim 2 wherein: still include traction plate (21), the one end of traction plate (21) transversely runs through and installs the pivot, the pivot with the other end of baffle (2) rotates to be connected, and with install in the rotary driving mechanism transmission of baffle (2) the other end is connected, rotary driving mechanism can drive the upset about traction plate (21).
4. The tandem mill entry threading aid of claim 1, wherein: the steel strip guide mechanism (4) comprises a plurality of guide rollers (41), the guide rollers (41) are installed at the upper end of the frame platform (1) in a left-right rotating mode and are distributed at intervals along the front-back direction, and the plane where the common tangent lines of the upper portions of the guide rollers (41) are located forms the guide surface.
5. The tandem mill entrance threading aid of claim 4, wherein: the steel strip guide mechanism (4) further comprises a first auxiliary guide plate (42), wherein the first auxiliary guide plate (42) is installed at the upper end of the frame platform (1) and distributed between two adjacent guide rollers (41), each first auxiliary guide plate (42) extends upwards from the rear part to the front part in an inclined mode, and the front end and the rear end of each first auxiliary guide plate are close to two adjacent guide rollers (41).
6. A tandem mill inlet threading aid according to claim 4 or 5, wherein: displacement adjustment mechanism (6) include pneumatic cylinder (61) and support (62), the one end of support (62) rotate install in on frame platform (1), its other end upwards extends to one side, and constitutes the drive end of displacement adjustment mechanism (6), the cylinder body of pneumatic cylinder (61) is articulated install in on frame platform (1), and be located support (62) below, its hydraulic stem with the lower extreme of support (62) one end is articulated, pneumatic cylinder (61) accessible hydraulic stem drive support (62) upset from top to bottom, thereby drive carry over pinch rolls (5) reciprocate.
7. The tandem mill entrance threading aid of claim 6, wherein: the other end of support (62) is installed second auxiliary deflector (621), and this second auxiliary deflector (621) is located pull roll (5) deviates from one side of baffle (2), and when pull roll (5) move down to the upper portion summit is less than when the height of spigot surface, second auxiliary deflector (621) is in the state that the slope upwards extends, and its one end of keeping away from pull roll (5) slope upwards extends to be close to rather than adjacent one guide roll (41), when pull roll (5) upward movement is to the maximum stroke, second auxiliary deflector (621) is in the state that the slope downwardly extends, and its one end of keeping away from pull roll (5) slope downwardly extending to rather than adjacent one the position that the summit is close to in the top of guide roll (41).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921079553.5U CN210586394U (en) | 2019-07-11 | 2019-07-11 | Strip threading auxiliary device at inlet of continuous rolling mill |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921079553.5U CN210586394U (en) | 2019-07-11 | 2019-07-11 | Strip threading auxiliary device at inlet of continuous rolling mill |
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| Publication Number | Publication Date |
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| CN210586394U true CN210586394U (en) | 2020-05-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201921079553.5U Active CN210586394U (en) | 2019-07-11 | 2019-07-11 | Strip threading auxiliary device at inlet of continuous rolling mill |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113351657A (en) * | 2021-06-23 | 2021-09-07 | 河北津西钢板桩型钢科技有限公司 | Universal pre-bending continuous rolling guide and guard device and universal continuous rolling mill |
-
2019
- 2019-07-11 CN CN201921079553.5U patent/CN210586394U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113351657A (en) * | 2021-06-23 | 2021-09-07 | 河北津西钢板桩型钢科技有限公司 | Universal pre-bending continuous rolling guide and guard device and universal continuous rolling mill |
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