CN210676368U - Braking pinch roll device of steel feeding system - Google Patents
Braking pinch roll device of steel feeding system Download PDFInfo
- Publication number
- CN210676368U CN210676368U CN201921024377.5U CN201921024377U CN210676368U CN 210676368 U CN210676368 U CN 210676368U CN 201921024377 U CN201921024377 U CN 201921024377U CN 210676368 U CN210676368 U CN 210676368U
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- pinch roll
- connecting rod
- swing arm
- roll
- collar
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Abstract
The upper steel system braking pinch roll device comprises an air cylinder, an upper roll collar swing arm, a connecting rod installation block, a lower roll collar swing arm, pinch roll collars and a pinch roll box body, wherein the pinch roll box body is provided with the pinch roll collars, the number of the pinch roll collars is 2, the 2 pinch roll collars are distributed in the vertical direction, the pinch roll collars are divided into the upper pinch roll collar and the lower pinch roll collar, the upper pinch roll collar is provided with the upper roll collar swing arm, the lower pinch roll collar is provided with the lower roll collar swing arm, the outer end of the lower roll collar swing arm is connected with the lower end of the air cylinder through a lower fixed shaft, the lower roll collar swing arm rotates on the lower fixed shaft, the upper end of the air cylinder is connected with the upper roll collar swing arm through the upper fixed shaft, and the upper roll collar swing arm rotates on the upper fixed shaft; the left side of the pinch roll box body is provided with a connecting rod mounting seat, and the connecting rod mounting seat is arranged in the middle of the pinch roll box body.
Description
Technical Field
The utility model relates to the field of machining, especially, relate to a go up steel system braking pinch roll device.
Background
The braking pinch roll plays a decisive role in the continuous rolling production of high-speed bars. It mainly provides two functions to the rolled piece: one is to provide stable tension to the rolled piece, so as to prevent the rolled piece from shaking in a water tank in the rolling process; and the other is used for controlling the speed of the rolled piece entering the rotating hub when the tail part of the rolled piece leaves the last rolling mill, so that the aim of accurately dropping the rolled piece into the rotating hub is fulfilled.
Disclosure of Invention
The utility model discloses the aforesaid to prior art exists is not enough, provides an improve pinch roll collars centre gripping and open system of feeding braking pinch roll device of efficiency.
The utility model aims at realizing through the following technical scheme:
the utility model provides a go up steel system braking pinch roll device, includes cylinder, last collars swing arm, connecting rod installation piece, lower collars swing arm, pinch roll collars, pinch roll box, the pinch roll box has the pinch roll collars, the pinch roll collars has 2, and 2 pinch roll collars distribute in vertical direction, the pinch roll collars divide into pinch roll collars, lower pinch roll collars, it has last collars swing arm to go up the pinch roll collars, the pinch roll collars has lower collars swing arm down, the cylinder lower extreme is connected through the fixed axle down to lower collars swing arm outer end, the collars swing arm rotates under on the fixed axle, the collars swing arm is connected to the upper end of cylinder through last fixed axle, the upper collars swing arm rotates on last fixed axle.
The pinch roll box left side has the connecting rod mount pad, the connecting rod mount pad sets up at pinch roll box middle part, the connecting rod mount pad middle part is through rotation axis connection connecting rod installation piece, the connecting rod installation piece rotates in the axis of rotation, lower link lower extreme is connected through the undermount axle to lower collars swing arm, the connecting rod installation piece is connected through the undermount axle in lower connecting rod upper end, the connecting rod both ends rotate on undermount axle, undermount epaxial respectively.
The upper end of the connecting rod mounting block is connected with the lower end of an upper connecting rod through an upper adjusting shaft, the upper end of the upper connecting rod is connected with an upper roll ring swing arm through an upper mounting shaft, and two ends of the upper connecting rod rotate on the upper adjusting shaft and the upper mounting shaft respectively.
The left side of the pinch roll box body is provided with 2 adjusting bolt installation blocks, the 2 adjusting bolt installation blocks are respectively arranged on the upper side of an upper roll ring swing arm and the upper side of a lower roll ring swing arm, and the adjusting bolt installation blocks are connected with adjusting bolts through threads.
Has the advantages that:
the high-speed bar production line adopts a single-line high-speed production process, and the maximum design speed is 40 m/s. The main products are phi 12-phi 25mm (maximum phi 32 mm) screw-thread steel and round steel. The diameter of a pinch roll collar is D =335mm, and the production requirement of the high-speed bar material for designing 40m/s is met; the gear speed ratio is 1:1, and the braking pinch roll achieves the effect of quick speed starting and reducing through a braking motor; compared with the traditional pinch roll, the position of the air cylinder is arranged between the upper roll collar swing arm and the lower roll collar swing arm, so that the roll collar of the pinch roll can be clamped and opened quickly, the clamping and opening efficiency of the roll collar of the pinch roll is improved, and the response time to the action of a rolled piece is greatly shortened; and adjusting the roll gap distance of the upper pinch roll collar and the lower pinch roll collar according to the specification and the process requirement of the rolled piece, and limiting the opening range of the pinch roll collar through adjusting bolts corresponding to the upper roll collar swing arm and the lower roll collar swing arm. The braking pinch roll achieves the clamping and braking functions mainly through the movement of the air cylinder, and the cylinder diameter and the rod diameter of the clamping air cylinder meet the requirements on the clamping force of a rolled piece in the rolling process.
The servo motor drives the gear box to enable the upper roll collar swing arm and the lower roll collar swing arm to stably clamp and brake; under the simultaneous action of the cylinder, the lower connecting rod and the upper connecting rod, the upper roll collar swing arm and the lower roll collar swing arm are opened and closed simultaneously, the accuracy, the responsiveness, the centering property, the synchronism and the braking property in the conveying process of a rolled piece are effectively improved, the equipment is stable in operation, and the replacement and the reserve capacity of easily damaged pieces are reduced.
Compared with the same equipment abroad, the method can save more than 50% of cost and reduce the early-stage capital investment; the production specification is wide in phi 12-phi 32mm, and the production requirements of more steel mills can be met; the device can be matched with a double-module rolling mill for on-line use, and meets the requirements of high-precision tolerance continuous production and uniform size of the poker; compared with a high-speed wire pinch roll, the high-speed wire pinch roll has the advantages of simple structure, convenience in use and maintenance, and can be effectively and quickly manufactured in batches.
Drawings
FIG. 1 is the structural schematic diagram of the closed state of the pinch roll collars of the braking pinch roll device of the steel feeding system.
FIG. 2 is the structural schematic diagram of the pinch roll collar of the steel feeding system braking pinch roll device in an open state.
FIG. 3 is a schematic diagram of a pinch roll collar closed and opened state comparison structure of the steel feeding system braking pinch roll device.
Detailed Description
The invention is explained in more detail below with reference to the figures and examples:
the braking pinch roll device for the upper steel system comprises a cylinder 1, an upper roll collar swing arm 2, a connecting rod installation block 3, a lower roll collar swing arm 4, a pinch roll collar 5 and a pinch roll box 6, wherein the pinch roll box 6 is provided with the pinch roll collar 5, the pinch roll collar 5 is provided with 2 pinch roll collars, the 2 pinch roll collars 5 are distributed in the vertical direction, the pinch roll collar 5 is divided into an upper pinch roll collar and a lower pinch roll collar, the upper pinch roll collar is provided with an upper roll collar swing arm 2, the lower pinch roll collar swing arm is provided with a lower roll collar swing arm 4, the outer end of the lower roll collar swing arm 4 is connected with the lower end of the cylinder 1 through a lower fixing shaft 17, the lower roll collar swing arm 4 rotates on the lower fixing shaft 17, the upper end of the cylinder 1 is connected with the upper roll collar swing arm 2 through an upper fixing shaft 18, and the upper roll collar swing arm 2 rotates on the upper fixing shaft 18.
The left side of the pinch roll box body 6 is provided with a connecting rod mounting seat 20, the connecting rod mounting seat 20 is arranged in the middle of the pinch roll box body 6, the middle of the connecting rod mounting seat 20 is connected with a connecting rod mounting block 3 through a rotating shaft 14, the connecting rod mounting block 3 rotates on the rotating shaft 14, the lower roll collar swing arm 4 is connected with the lower end of a lower connecting rod 12 through a lower mounting shaft 11, the upper end of the lower connecting rod 12 is connected with the connecting rod mounting block 3 through a lower adjusting shaft 13, and two ends of the lower connecting rod 12 rotate on the lower mounting shaft 11 and the lower adjusting shaft 13 respectively.
The upper end of the connecting rod mounting block 3 is connected with the lower end of an upper connecting rod 16 through an upper adjusting shaft 15, the upper end of the upper connecting rod 16 is connected with the upper roller ring swing arm 2 through an upper mounting shaft 21, and two ends of the upper connecting rod 16 rotate on the upper adjusting shaft 15 and the upper mounting shaft 21 respectively.
The left side of the pinch roll box body 6 is provided with 2 adjusting bolt mounting blocks 19, the 2 adjusting bolt mounting blocks 19 are respectively arranged on the upper side of the upper roll collar swing arm 2 and the upper side of the lower roll collar swing arm 4, and the adjusting bolt mounting blocks 19 are connected with adjusting bolts through threads.
The high-speed bar production line adopts a single-line high-speed production process, and the maximum design speed is 40 m/s. The main products are phi 12-phi 25mm (maximum phi 32 mm) screw-thread steel and round steel. The diameter of the pinch roll collar 5 is D =335mm, and the production requirement of the high-speed bar material for designing 40m/s is met; the gear speed ratio is 1:1, and the braking pinch roll achieves the effect of quick speed starting and reducing through a braking motor; compared with the traditional pinch roll, the position of the air cylinder 1 is arranged between the upper roll collar swing arm 2 and the lower roll collar swing arm 4, so that the clamping and the opening of the pinch roll collar 5 can be ensured quickly, the clamping and the opening efficiency of the pinch roll collar is improved, and the response time to the movement of a rolled piece is greatly shortened; the roll gap distance between the upper pinch roll collar 5 and the lower pinch roll collar 5 is adjusted according to the specification and the process requirement of a rolled piece, and the opening range of the pinch roll collar 5 is limited by adjusting bolts corresponding to the upper roll collar swing arm 2 and the lower roll collar swing arm 4. The braking pinch roll achieves the clamping and braking functions mainly through the movement of the air cylinder, and the cylinder diameter and the rod diameter of the clamping air cylinder meet the requirements on the clamping force of a rolled piece in the rolling process.
The servo motor drives the gear box to enable the upper roll collar swing arm 2 and the lower roll collar swing arm 4 to stably clamp and brake; under the simultaneous action of the cylinder 1, the lower connecting rod 12 and the upper connecting rod 16, the upper roll ring swing arm 2 and the lower roll ring swing arm 4 are opened and closed simultaneously, the accuracy, the responsiveness, the centering performance, the synchronism and the braking performance in the conveying process of a rolled piece are effectively improved, the equipment is stable in operation, and the replacement and the reserve amount of easily damaged pieces are reduced.
Compared with the same equipment abroad, the method can save more than 50% of cost and reduce the early-stage capital investment; the production specification is wide in phi 12-phi 32mm, and the production requirements of more steel mills can be met; the device can be matched with a double-module rolling mill for on-line use, and meets the requirements of high-precision tolerance continuous production and uniform size of the poker; compared with a high-speed wire pinch roll, the high-speed wire pinch roll has the advantages of simple structure, convenience in use and maintenance, and can be effectively and quickly manufactured in batches.
Claims (4)
1. The upper steel system braking pinch roll device is characterized by comprising an air cylinder, an upper roll collar swing arm, a connecting rod installation block, a lower roll collar swing arm, pinch roll collars and a pinch roll box body, wherein the pinch roll box body is provided with the pinch roll collars, the number of the pinch roll collars is 2, the 2 pinch roll collars are distributed in the vertical direction, the pinch roll collars are divided into the upper pinch roll collar and the lower pinch roll collar, the upper pinch roll collar is provided with the upper roll collar swing arm, the lower pinch roll collar is provided with the lower roll collar swing arm, the outer ends of the lower roll collar swing arms are connected with the lower end of the air cylinder through a lower fixed shaft, the lower roll collar swing arms rotate on the lower fixed shaft, the upper end of the air cylinder is connected with the upper roll collar through an upper fixed shaft, and the upper roll collar swing arms rotate on the upper fixed shaft.
2. The braking pinch roll device of the steel feeding system according to claim 1, wherein a connecting rod mounting seat is arranged on the left side of the pinch roll box body, the connecting rod mounting seat is arranged in the middle of the pinch roll box body, the middle of the connecting rod mounting seat is connected with a connecting rod mounting block through a rotating shaft, the connecting rod mounting block rotates on the rotating shaft, the lower roll collar swing arm is connected with the lower end of a lower connecting rod through a lower mounting shaft, the upper end of the lower connecting rod is connected with the connecting rod mounting block through a lower adjusting shaft, and two ends of the lower connecting rod rotate on the lower mounting shaft and the lower adjusting shaft respectively.
3. The braking pinch roll device of the steel feeding system as claimed in claim 2, wherein the upper end of the connecting rod mounting block is connected with the lower end of an upper connecting rod through an upper adjusting shaft, the upper end of the upper connecting rod is connected with the upper roll ring swing arm through an upper mounting shaft, and two ends of the upper connecting rod rotate on the upper adjusting shaft and the upper mounting shaft respectively.
4. The steel feeding system braking pinch roll device as claimed in claim 3, wherein 2 adjusting bolt mounting blocks are arranged on the left side of the pinch roll box body, the 2 adjusting bolt mounting blocks are respectively arranged on the upper side of the upper roll ring swing arm and the upper side of the lower roll ring swing arm, and adjusting bolts are connected inside the adjusting bolt mounting blocks through threads.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921024377.5U CN210676368U (en) | 2019-07-03 | 2019-07-03 | Braking pinch roll device of steel feeding system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921024377.5U CN210676368U (en) | 2019-07-03 | 2019-07-03 | Braking pinch roll device of steel feeding system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210676368U true CN210676368U (en) | 2020-06-05 |
Family
ID=70881388
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921024377.5U Active CN210676368U (en) | 2019-07-03 | 2019-07-03 | Braking pinch roll device of steel feeding system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210676368U (en) |
-
2019
- 2019-07-03 CN CN201921024377.5U patent/CN210676368U/en active Active
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