CN110883112A - Pinch roll of cooling bed on small-size rod is high-speed - Google Patents
Pinch roll of cooling bed on small-size rod is high-speed Download PDFInfo
- Publication number
- CN110883112A CN110883112A CN201911251407.0A CN201911251407A CN110883112A CN 110883112 A CN110883112 A CN 110883112A CN 201911251407 A CN201911251407 A CN 201911251407A CN 110883112 A CN110883112 A CN 110883112A
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- China
- Prior art keywords
- bar
- rod
- guide cylinder
- speed
- pinch roll
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B43/00—Cooling beds, whether stationary or moving; Means specially associated with cooling beds, e.g. for braking work or for transferring it to or from the bed
- B21B43/003—Transfer to bed
Abstract
The invention relates to a pinch roll of a small bar high-speed upper cooling bed, which comprises: the guide frame is provided with a synchronous clamping device; the leading truck includes: a fixed bracket is vertically arranged, a bar conveying hole is formed in the fixed bracket, a bar guide cylinder is vertically arranged on the fixed bracket corresponding to the bar conveying hole, and connecting brackets are arranged on the periphery of the tail end of the bar guide cylinder at equal intervals; the synchronous clamping device comprises: more than three bar clamps are arranged on the connecting bracket at equal intervals; the bar clamp is used for clamping a bar material, and the bar material is clamped by the bar clamp; a speed regulating device is arranged on at least one bar clamp. The bar clamp is driven to act by the driving device, so that the pressing size of the bar is synchronously adjusted and conveyed, and the indentation of the bar due to over-tight pressure is prevented; the conveying speed is adjusted through the speed adjusting device, and accidents caused by the fact that the conveying speed of the bars is too high are avoided.
Description
Technical Field
The invention relates to a pinch roll of a small bar high-speed upper cooling bed.
Background
The bar pinch roll, also known as a tail brake, is a device for controlling the speed of a finished product before the finished product is loaded on a cooling bed in the steel rolling production process. Taking an HTC (high-speed double-channel conveying system) of Daneli company as an example, a rod after finish rolling is sent to a cooling bed at a high speed, the speed of the rod conveyed to the cooling bed is as high as 50m/s, a pinch roll is arranged on the incoming material side of the inlet of the cooling bed to brake the rod, the speed of the rod is reduced to a certain set speed value, the free sliding distance of a rolled piece is greatly reduced, and the pinch roll is matched with a bidirectional collecting tank for use, so that the double-line alternative feeding of the rod to the cooling bed is realized, and the high-speed rolling.
At present, a bar pinch roll generally adopts a mechanism type that an upper brake roll and a lower brake roll clamp a bar rolled piece, the lower brake roll is usually fixed, the upper brake roll is pressed down for clamping, and a typical pinch roll structure mainly comprises an air cylinder, a swing arm, an upper brake roll, a lower brake roll, a motor and a frame. When the bar rolled piece passes through the pinch roll, the air cylinder drives the swing arm to act, the upper brake roll is pressed down, the lower brake roll rotates at an accelerated speed, the bar rolled piece is driven by the lower brake roll to rise at the same linear speed, then the motor enters a power generation braking state to decelerate the bar, and finally the bar is thrown out at a low speed.
Because the temperature of the bar rolled piece exiting from the rolling mill is high, if the brake roller on the pinch roll is pressed down too tightly, the upper side and the lower side of the rolled piece are deformed, indentation usually occurs, and the surface quality of a bar product is influenced; if the upper brake roller is pressed down too loosely, the speed of the bar rolled piece exiting the pinch roller is too high, the purpose of braking cannot be achieved, and mechanical and technological accidents may even be caused.
Disclosure of Invention
In order to overcome the problems, the invention provides a pinch roll for feeding small bars to a cooling bed at high speed.
In order to achieve the above object, the present invention comprises: the method comprises the following steps: the guide frame is provided with a synchronous clamping device;
the leading truck include: a fixed bracket is vertically arranged, a bar conveying hole is formed in the fixed bracket, a bar guide cylinder is vertically arranged on the fixed bracket corresponding to the bar conveying hole, and connecting brackets are arranged on the periphery of the tail end of the bar guide cylinder at equal intervals;
the synchronous clamping device comprises: more than three bar clamps which are arranged on the connecting bracket at equal intervals; the bar clamp is used for clamping a bar to be clamped and fixed on the bar guide cylinder; and a speed regulating device for regulating the speed of the bar is arranged on at least one bar clamp.
Further, the bar clamp includes: the connecting rod, the swing arm and the brake roller; the front end of the connecting rod is hinged with the rear end of the swing arm, the brake roller is rotatably arranged at the front end of the swing arm, the middle part of the swing arm is hinged on the connecting bracket, and the rear end of the connecting rod is hinged with the free end of the driving device; and the brake roller of one of the swing arms is in transmission connection with the speed regulating device.
Furthermore, a sliding support is arranged on the circumferential outer side of the bar guide cylinder in a sliding manner and is coaxial with the bar guide cylinder, the rear end of the connecting rod is hinged to the sliding support, and the sliding support is fixedly connected with the free end of the driving device.
Further, one of the three or more bar jigs is disposed directly below the bar guide cylinder.
Further, a brake roller of the bar clamp arranged right below the bar guide cylinder is in transmission connection with the speed regulating device.
Further, the speed adjusting device comprises: the bar guide cylinder is fixedly arranged on the bar fixture, the output end of the motor is in transmission connection with the brake roller on the bar fixture through the speed reducer.
Furthermore, a driving bracket is also arranged on the fixed bracket, and the driving device is arranged on the driving bracket.
Further, the driving device comprises: the pressure driving device is hinged on the driving support, an adjusting connecting rod is fixedly arranged at the free end of the pressure driving device, and a pressure rod and a push rod are respectively hinged on the adjusting connecting rod; a push rod bracket is fixedly arranged on the sliding bracket corresponding to the push rod, and the push rod is hinged with the push rod bracket; and a pressure rod support is fixedly arranged on the fixed support and corresponds to the pressure rod, and the pressure rod is hinged with the pressure rod support.
The invention has the beneficial effects that: the driving device arranged on the fixed support drives the sliding support arranged on the bar guide cylinder to move horizontally, and the connecting rod hinged on the sliding support drives the swing arm hinged with the sliding support to move up and down, so that the brake roller arranged on the swing arm moves up and down along with the swing arm; the clamping size of the bar is synchronously adjusted and conveyed through the matching action of a plurality of groups of brake rollers, so that the bar is prevented from generating indentation due to overlarge pressure; the speed regulating device in the bar clamping device is used for regulating the conveying speed of the bars, so that device or process accidents caused by overhigh conveying speed of the bars are avoided.
Drawings
Fig. 1 is a perspective view of the present invention.
Fig. 2 is a front view of the present invention.
Fig. 3 is a right side view of the present invention.
Fig. 4 is a perspective view of the bar guide cylinder of the present invention.
In the figure, 1, a guide frame, 2, a bar front guide cylinder, 3, a fixed support, 4, a bar guide cylinder, 5, a connecting support, 6, a pressure rod support, 7, a driving support, 8, a pressing cylinder, 9, a pressure rod, 10, a push rod, 11, a sliding support, 12, a connecting rod, 13, a swing arm, 14, a brake roller, 15, a speed reducer, 16, a motor, 20, a synchronous clamping device and 30, a speed regulating device are arranged.
Detailed Description
The invention is further described below with reference to the accompanying drawings.
Examples
The invention comprises the following steps: the method comprises the following steps: the guide frame 1, there is a synchronous clamping device 20 on the guide frame 1;
as shown in fig. 4, the guide frame 1 includes: a fixed support 3 is vertically arranged, a bar conveying hole is formed in the fixed support 3, a bar guide cylinder 4 is vertically arranged on the fixed support 3 corresponding to the bar conveying hole, and connecting supports 5 are arranged on the periphery of the tail end of the bar guide cylinder 4 at equal intervals;
the synchronized gripping device 20 comprises: the three bar clamps are respectively arranged on the connecting bracket 5 at equal intervals; the bar clamping device also comprises a driving device which is used for driving the three bar clamps to open or compress relative to the bar guide cylinder 4; a speed control device 30 is arranged on at least one rod clamp.
Wherein, the fixed bolster 3 is an L type extension board, in order to make the fixed bolster 3 more stable, is fixed on the fixed bolster 3 and is provided with the strengthening rib perpendicularly.
In order to guide the bar into the bar guide cylinder 4, a bar front guide cylinder 2 is fixedly arranged on the other side of the fixed support 3 around the circumference of the bar conveying hole, and the bar front guide cylinder 2 is a guide cylinder with a horn-shaped structure.
As shown in fig. 1 and 2, the bar clamp includes: a connecting rod 12, a swing arm 13 and a brake roller 14; wherein, the front end of the connecting rod 12 is hinged with the rear end of the swing arm 13, the brake roller 14 is rotatably arranged at the front end of the swing arm 13, the middle part of the swing arm 13 is hinged on the connecting bracket 5, and the rear end of the connecting rod 12 is hinged with the free end of the driving device; the brake roller 14 of one of the swing arms 13 is in driving connection with the speed adjusting device 30.
A sliding support 11 is arranged on the circumferential outer side of the bar guide cylinder 4 in a sliding manner and is coaxial with the bar guide cylinder, the rear end of a connecting rod 12 is hinged on the sliding support 11, and the sliding support 11 is fixedly connected with the free end of a driving device.
Wherein, one of the three bar clamps is arranged right below the bar guide cylinder 4; the brake roller 14 of the bar clamp arranged directly below the bar guide cylinder 4 is in transmission connection with a speed regulating device 30.
As shown in fig. 3, the speed adjusting device includes: a motor 16 fixedly arranged on the bar fixture right below the bar guide cylinder 4, and the output end of the motor 16 is in transmission connection with a brake roller 14 on the bar fixture through a speed reducer 15.
The guide frame 1 is also provided with a driving bracket 7, and a driving device 8 is arranged on the driving bracket 7; the drive device includes: the pressure driving device is hinged to the driving support 7, and the pressing air cylinder 8 is selected to be used as the pressure driving device; an adjusting connecting rod is fixedly arranged at the free end of the pressing cylinder 8, wherein the adjusting connecting rod is a door-shaped bracket, through holes are respectively arranged at two ends of the door-shaped bracket, and a pressing rod 9 and a push rod 10 are respectively hinged on each through hole; a push rod bracket is fixedly arranged on the sliding bracket 11 corresponding to the push rod 10, and the push rod 10 is hinged with the push rod bracket; a pressure rod bracket 6 is fixedly arranged on the fixed bracket 3 corresponding to the pressure rod 9, and the pressure rod 9 is hinged with the pressure rod bracket 6.
The position of the sliding support 11 on the bar guide cylinder 4 can be adjusted by controlling the operation of the compaction cylinder 8, so that three groups of swing arms 13 which are arranged on the sliding support 11 and connected through a connecting rod 12 respectively drive brake rollers 14 on the swing arms to simultaneously clamp or loosen, the compaction size of the bar is synchronously adjusted and conveyed, and the phenomenon that the bar generates indentation due to overlarge pressure of the brake rollers 14 is avoided. The conveying speed of the bar can be controlled by adjusting the rotating speed of the motor 16, so that accidents caused by too high conveying speed of the bar are avoided.
Claims (8)
1. The utility model provides a pinch roll of cold bed on small-size rod is high-speed which characterized in that: the method comprises the following steps: the guide frame is provided with a synchronous clamping device;
the leading truck include: a fixed bracket is vertically arranged, a bar conveying hole is formed in the fixed bracket, a bar guide cylinder is vertically arranged on the fixed bracket corresponding to the bar conveying hole, and connecting brackets are arranged on the periphery of the tail end of the bar guide cylinder at equal intervals;
the synchronous clamping device comprises: more than three bar clamps which are arranged on the connecting bracket at equal intervals; the bar clamp is used for clamping a bar to be clamped and fixed on the bar guide cylinder; and a speed regulating device for regulating the speed of the bar is arranged on at least one bar clamp.
2. The pinch roll of a small bar high speed upper cooling bed of claim 1, wherein: the bar clamp comprises: the connecting rod, the swing arm and the brake roller; the front end of the connecting rod is hinged with the rear end of the swing arm, the brake roller is rotatably arranged at the front end of the swing arm, the middle part of the swing arm is hinged on the connecting bracket, and the rear end of the connecting rod is hinged with the free end of the driving device; and the brake roller of one of the swing arms is in transmission connection with the speed regulating device.
3. The pinch roll for a high speed upper cooling bed of small bars according to claim 2, wherein: the rod guide cylinder is characterized in that a sliding support is arranged on the circumferential outer side of the rod guide cylinder in a sliding mode and is coaxial with the rod guide cylinder, the rear end of the connecting rod is hinged to the sliding support, and the sliding support is fixedly connected with the free end of the driving device.
4. The pinch roll for a high speed upper cooling bed of small bars according to claim 2, wherein: one of the three or more bar clamps is arranged right below the bar guide cylinder.
5. The pinch roll for a high speed upper cooling bed of small bars according to claim 4, wherein: the brake roller of the bar clamp arranged right below the bar guide cylinder is in transmission connection with the speed regulating device.
6. The pinch roll for a high speed upper cooling bed of small bars according to claim 5, wherein: the speed regulating device comprises: the bar guide cylinder is fixedly arranged on the bar fixture, the output end of the motor is in transmission connection with the brake roller on the bar fixture through the speed reducer.
7. A pinch roll for a high speed chilled bed of small bars as claimed in claim 3 wherein: the fixed support is also provided with a driving support, and the driving device is arranged on the driving support.
8. The pinch roll for a high speed upper cooling bed of small bars according to claim 7, wherein: the driving device comprises: the pressure driving device is hinged on the driving support, an adjusting connecting rod is fixedly arranged at the free end of the pressure driving device, and a pressure rod and a push rod are respectively hinged on the adjusting connecting rod; a push rod bracket is fixedly arranged on the sliding bracket corresponding to the push rod, and the push rod is hinged with the push rod bracket; and a pressure rod support is fixedly arranged on the fixed support and corresponds to the pressure rod, and the pressure rod is hinged with the pressure rod support.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911251407.0A CN110883112A (en) | 2019-12-09 | 2019-12-09 | Pinch roll of cooling bed on small-size rod is high-speed |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911251407.0A CN110883112A (en) | 2019-12-09 | 2019-12-09 | Pinch roll of cooling bed on small-size rod is high-speed |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110883112A true CN110883112A (en) | 2020-03-17 |
Family
ID=69751114
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911251407.0A Pending CN110883112A (en) | 2019-12-09 | 2019-12-09 | Pinch roll of cooling bed on small-size rod is high-speed |
Country Status (1)
| Country | Link |
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| CN (1) | CN110883112A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111299334A (en) * | 2020-03-22 | 2020-06-19 | 广东韶钢松山股份有限公司 | Tail braking device based on group plate steel feeding system |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5937689A (en) * | 1997-11-10 | 1999-08-17 | Fabris; Mario | Triple roller entry guide |
| CN101195131A (en) * | 2007-12-25 | 2008-06-11 | 合肥市百胜科技发展有限公司 | Three-roller entrance rolling guide of reducing sizing mill group |
| CN201140218Y (en) * | 2007-12-25 | 2008-10-29 | 合肥市百胜科技发展有限公司 | Five-roller entrance rolling guide of reducing sizing mill group |
| CN101898218A (en) * | 2010-07-23 | 2010-12-01 | 中国重型机械研究院有限公司 | Automatic centering clamping feeding and discharging device |
| US20120104068A1 (en) * | 2010-11-01 | 2012-05-03 | Mario Fabris | Preloaded triple roller entry guide |
-
2019
- 2019-12-09 CN CN201911251407.0A patent/CN110883112A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5937689A (en) * | 1997-11-10 | 1999-08-17 | Fabris; Mario | Triple roller entry guide |
| CN101195131A (en) * | 2007-12-25 | 2008-06-11 | 合肥市百胜科技发展有限公司 | Three-roller entrance rolling guide of reducing sizing mill group |
| CN201140218Y (en) * | 2007-12-25 | 2008-10-29 | 合肥市百胜科技发展有限公司 | Five-roller entrance rolling guide of reducing sizing mill group |
| CN101898218A (en) * | 2010-07-23 | 2010-12-01 | 中国重型机械研究院有限公司 | Automatic centering clamping feeding and discharging device |
| US20120104068A1 (en) * | 2010-11-01 | 2012-05-03 | Mario Fabris | Preloaded triple roller entry guide |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111299334A (en) * | 2020-03-22 | 2020-06-19 | 广东韶钢松山股份有限公司 | Tail braking device based on group plate steel feeding system |
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| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20200317 |