CN202779193U - Rotary side air injection blowing device for hot rolling - Google Patents

Rotary side air injection blowing device for hot rolling Download PDF

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Publication number
CN202779193U
CN202779193U CN 201220344571 CN201220344571U CN202779193U CN 202779193 U CN202779193 U CN 202779193U CN 201220344571 CN201220344571 CN 201220344571 CN 201220344571 U CN201220344571 U CN 201220344571U CN 202779193 U CN202779193 U CN 202779193U
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China
Prior art keywords
impeller
air
rotary
hole
nozzle
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Expired - Lifetime
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CN 201220344571
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Chinese (zh)
Inventor
荣鸿伟
王启尧
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Baoshan Iron and Steel Co Ltd
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Baoshan Iron and Steel Co Ltd
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Priority to CN 201220344571 priority Critical patent/CN202779193U/en
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Abstract

The utility model discloses a rotary side air injection blowing device for hot rolling, and relates to online devices of hot continuous rolling mills. The rotary side air injection blowing device solves the problem that an HMD temperature detector mounted at the front of a flying shear at a finish rolling inlet can be affected easily. The rotary side air injection blowing device comprises a support beam, a rotary arm, an impeller, a rotary shaft, an impeller air supply device, a rotary air disk, a plurality of nozzles and a nozzle air supply device, wherein the support beam is mounted on a base, the rotary arm is mounted on the support beam, the impeller is mounted on the rotary arm, the rotary shaft is fixed to an impeller hole in the center of the impeller, the impeller air supply device provides an air source for rotation of the impeller, the rotary air disk is connected with the rotary shaft, the nozzles are uniformly distributed on the rotary air disk, and the nozzle air supply device provides air sources for the nozzles. When the impeller in the rotary side air injection blowing device rotates under the action of the air source, the rotary shaft rotates along with the impeller, and drives the rotary air disk to circumferentially rotate in the same direction, an all-coverage range of a relevant HMD point area can be blown, a detection environment at a finish rolling inlet is improved, and the detection accuracy of an HMD instrument is improved.

Description

The rotary side spray air-blowing of a kind of hot rolling sweeping device
Technical field
The utility model relates to the continuous hot-rolling mill on-line equipment, refers in particular to the rotary side spray air-blowing of a kind of hot rolling sweeping device.
Background technology
Before the flying shear of the finish rolling entrance of hot continuous rolling unit the HMD thermal imaging temperature monitor that incoming slab is detected being installed (is a kind of existing temperature sensor, hereinafter to be referred as the HMD instrument), in order to flying shear blade the moment point that incoming slab carries out crop, back-end crop is calculated.And if this moment point has the words of calculation deviation, can directly affect the quality that flying shear is cut major part or cut the microcephaly, so that cause production declining, if even the unusual inefficacy of detection, can cause slab not kept straight on towards the finish rolling De-scaling box by crop, if the slab nose shape of this moment is bad, lead to possibly that slab hits the De-scaling box collector and the generation that causes equipment fault.
In actual steel rolling production process, particularly winter, the temperature of HMD instrument outer peripheral areas is very low, sometimes is lower than zero degree; In this case, when the finish rolling De-scaling box carries out the de-scaling purging to the belt steel surface in passing through after, can produce the higher de-scaling back-flushing of temperature to the splash of HMD instrument outer peripheral areas, so, cold and hot crossing, will produce a large amount of water vapour (temperature is higher), easily the detection accuracy of HMD instrument produced interference, (for example: slab reality is all passed through test point to the delay of slab back-end crop action to cause sometimes flying shear, but because the HMD instrument has still detected high temperature, meaning still has slab at the error signal of passing through by test point, thereby causes the misoperation of relevant actuating equipment).For this reason, generally speaking, by the mode of blower fan is installed in the finish rolling porch, but because the installation site of blower fan and the size of volume, have relatively high expectations for the installation site that relates to, simultaneously because the purging ability of blower fan is less, so relatively relatively poor for the effect of improving testing environment.
The utility model content
The purpose of this utility model is the problem that exists in order to overcome prior art, the rotary side spray air-blowing of a kind of hot rolling sweeping device is provided, can carry out all standing scope to the surveyed area of the HMD thermal imaging temperature monitor that uses on the continuous hot-rolling mill purges, improve the testing environment of hot continuous rolling unit finish rolling entrance, improve the detection accuracy of HMD instrument.
The purpose of this utility model is achieved through the following technical solutions:
The rotary side spray air-blowing of a kind of hot rolling sweeping device, it comprises:
Pedestal is installed on job platform by connecting bolt;
Brace summer, its bottom welding is fixed on the pedestal, and top is provided with the beam central through hole;
Turning arm, its underpart is provided with the arm central through hole with described beam central through hole coupling, the cylinder latch is connected in turning arm by arm central through hole and beam central through hole the upper end of brace summer, upper-lower position in arm central through hole outer ring is provided with the mounting hole of two symmetries, is provided with a clamping screw in each mounting hole;
Impeller, the air impeller that is formed by a plurality of impeller blades, central authorities are provided with impeller bore, it places in the air impeller case that is comprised of upper box lid and lower case lid, upper box lid and lower case lid are that the bolted by the faying face place connects, the bottom of lower case lid wherein and the welded top of turning arm are fixed, and the air impeller case is being respectively equipped with the impeller casing hole along two of the axial line of impeller bore;
Rotating shaft is placed through in described impeller bore and two the impeller casing holes, and two ends protrude from the air impeller case, and wherein the contact portion of impeller bore and rotating shaft is welded to each other and is fixed into one; The outer end of rotating shaft is provided with external screw thread; The outside in two impeller casing holes is respectively equipped with end cap, and the outer of this end cap covers in two impeller casing bore edges of impeller casing, and is connected as one by the case lid of bolt and impeller casing;
The impeller feeder is the device that source of the gas is provided for the rotation of impeller, comprises: the impeller flexible pipe (28) of supplying gas, and its inlet end is connected with compressed air source, an end of outlet side jointing; The air inlet pipe of air impeller case, the other end of its inlet end jointing, the outlet side connects the air impeller case;
The rotary pneumatic dish, it comprises: gas storage dish, inner hollow; Thread bush is tapped sleeve pipe, and the one end is fixed on the back side of gas storage dish, and the external screw thread of the other end and described rotating shaft outer end is spirally connected mutually; Several nozzles are communicated with the gas storage dish respectively, and evenly distribution is fixed on the front of gas storage dish;
The nozzle feeder is the device that source of the gas is provided for the nozzle of rotary pneumatic dish, and it comprises: the nozzle flexible pipe of supplying gas, and its inlet end connects compressed air source, and the outlet side connects a swivel joint, and the welding female of swivel joint is weldingly fixed on the front of gas storage dish.
The contact position in described rotating shaft and two impeller casing holes also is provided with lower member: the outer surface in rotating shaft terminal and air impeller case contact site is provided with the circular cone ball bearing; The inner ring of circular cone ball bearing is equipped with locating ring; The outside of circular cone ball bearing is provided with dust-proof seal ring, and described end cap is located at the outside of dust-proof seal ring; Be provided with locking nut at upper box lid and outside, lower case lid faying face place.
Described impeller is supplied gas and also is connected a pressure-reducing valve 29 between flexible pipe and the compressed air source.
Described nozzle adopts the long spray nozzle with the ball-type joint.
Pressure in the compressed air air supply header of described compressed air source output is 6bar.
The beneficial effects of the utility model:
The rotary side spray air-blowing of hot rolling of the present utility model sweeping device has the following advantages:
1, this installs maximum output pressure can reach 6bar, it is strong that ability is swept in air-blowing, wide coverage, it is larger to purge extended distance, simultaneously, in basis, dispose pressure-reducing valve and regulated the input air pressure of supplying with, with the demand that satisfies the actual use of Different field (for example when water vapour hour, can input air pressure be turned down by pressure-reducing valve, reach energy-conservation purpose).
2, the operating angle of rotary pneumatic dish can be according to practical situations in this device, carry out free adjustment (structural design of mounting hole 25), use flexible, convenient, accomplished as far as possible all standing scope purging to the HMD test point zone that relates to, improve the environment that the finish rolling entrance detects, improved the detection accuracy of HMD instrument.
3, this device is connected and installed a pressure-reducing valve at the air inlet pipe place of air impeller case, can carry out adjusting in the certain limit to the rotating speed of air impeller blades according to objective demand, thereby rotates with different set speed by the rotating shaft band dish of taking offence; If control gas dish rotating speed is relatively slow, can guarantee that then nozzle prolongs the purge time of same position, has strengthened the purging effect.
4, be equipped with swivel joint on the rotary pneumatic dish of this device, the flexible pipe that also can not be docked on the gas dish when the gas dish rotates with 360 degree circumference produces any interference effect.
For further specifying above-mentioned purpose of the present utility model, design feature and effect, below with reference to accompanying drawing the utility model is elaborated.
Description of drawings
Fig. 1 is the rotary side spray air-blowing of hot rolling of the present utility model sweeping device structural representation;
Fig. 2 is that the A-A of Fig. 1 cuts open and shows view;
Fig. 3 is the rotary pneumatic dish structural representation in Fig. 1 device;
When Fig. 4 is rotary side spray air-blowing sweeping device work of the present utility model and the flying shear of hot continuous rolling unit finish rolling entrance, the position view of HMD instrument.
The specific embodiment
Accompanying drawing below in conjunction with embodiment is elaborated to the specific embodiment of the present utility model.
Referring to Fig. 1-Fig. 2, the rotary side spray air-blowing of hot rolling of the present utility model sweeping device 5 comprises:
Pedestal 23 is installed on (as shown in Figure 4) on the job platform 6 by connecting bolt.
Brace summer 22, the Type of Welding of full weld is fixed on the pedestal 23 around its bottom employing side, and its top is provided with the beam central through hole.
Turning arm 21, its underpart is provided with the arm central through hole with described beam central through hole coupling, cylinder latch 24 is connected in turning arm 21 by arm central through hole and beam central through hole the upper end of brace summer 22, upper-lower position in arm central through hole outer ring is provided with the mounting hole 25 of two symmetries, be provided with a clamping screw in each mounting hole 25, can be according to on-the-spot practical application needs, angle of inclination to the following rotary pneumatic dish 8 that will mention is adjusted, during adjusting clamping screw is got loose, just can by to turning arm 21 rotation along the circumferential direction adjust the angle of inclination of rotary pneumatic dish 8 in this device.
Impeller 14, the air impeller that is formed by a plurality of impeller blades, central authorities are provided with impeller bore, it places in the air impeller case that is comprised of upper box lid 13 and lower case lid 20, upper box lid 13 and lower case lid 20 are that the bolted by the faying face place connects, and the bottom of lower case lid 20 wherein and the welded top of turning arm 21 are fixed; The air impeller case is being respectively equipped with the impeller casing hole along two of the axial line of impeller bore.
Rotating shaft 12, be placed through in two impeller casing holes of the impeller bore of impeller 14 and air impeller case, and two ends protrude from the air impeller case, wherein the contact portion of impeller bore and rotating shaft 12 is welded to each other fixing, impeller 14 and rotating shaft 12 welding processing are integral, like this, when impeller 14 rotation, driven rotary axle 12 is equidirectional to rotatablely move as circumference; The outer end of rotating shaft 12 is provided with external screw thread; The outside in two impeller casing holes is respectively equipped with end cap 15, the outer of this end cap 15 covers in two impeller casing bore edges of impeller casing, and be connected as one by the case lid of bolted and impeller casing, in addition, also be provided with lower member in the contact position of rotating shaft 12 with two impeller casing holes of air impeller case: the outer surface in rotating shaft 12 two ends and air impeller case contact site is provided with circular cone ball bearing 19; The inner ring of circular cone ball bearing 19 is equipped with locating ring 18(the inner ring of circular cone ball bearing 19 is positioned, installs usefulness); The outside of circular cone ball bearing 19 is provided with dust-proof seal ring 16; Described end cap 15 is located at the outside (outer ring and the dust-proof seal ring of 15 pairs of circular cone ball bearings 19 of end cap position) of dust-proof seal ring 16; Be provided with locking nut 17 in upper box lid 13 and outside, lower case lid 20 faying face places, be used for locking upper box lid 13 and lower case lid 20.Above-mentioned end cap 15, dust-proof seal ring 16, locking nut 17, locating ring 18 and circular cone ball bearing 19 all are block bearing and play positioning component thereof, the axial location, the axial movement value control that are used for rotating shaft 12 are used.
The impeller feeder for the rotation of impeller 14 provides the device of source of the gas, comprises: the impeller flexible pipe 28 of supplying gas, and its inlet end is connected with compressed air source 30, an end of outlet side jointing 27; The air inlet pipe 26 of air impeller case, the other end of its inlet end jointing 27, the outlet side connects the air impeller case.Present embodiment is supplied gas at the impeller of impeller feeder a pressure-reducing valve 29 also is set between flexible pipe 28 and the compressed air source 30, its objective is the rotary speed (can regulate according to practical situations) of controlling impeller 14 by the adjusting of air pressure.
Rotary pneumatic dish 8, it comprises: gas storage dish 81, inner hollow; Thread bush 11 is tapped sleeve pipes, and the one end is fixed on the back side of gas storage dish 81, and the external screw thread of the other end and described rotating shaft 12 outer ends is spirally connected mutually; Several nozzles 7, be communicated with gas storage dish 81 respectively, and evenly distribution is fixed on the front of gas storage dish 81, nozzle 7 adopts existing long spray nozzle with the ball-type joint, the welding female of globe joint is weldingly fixed on the front of gas storage dish 81, and the adjusting of nozzle angle is finished by reversing of ball joint.Rotary pneumatic dish 8 is threaded with described rotating shaft 12 outer ends by thread bush 11 and is integrated, and impeller 14 is integral with rotating shaft 12 welding processing, so, when compressed air source 30 by the flexible pipe 28 of supplying gas, joint 27, the air inlet pipe 26 of air impeller case is blown into the upper box lid 13 of air impeller case when interior, rotating shaft 12 and then rotated when impeller 14 rotated under action of gas source, making equidirectional circumference by turning moment transmission energy driven rotary gas dish 8 rotatablely moves, namely pass through action of gas source, sidepiece impeller 14 at impeller 14 is rotated by counter clockwise direction, and driven rotary gas dish 8 constant speed are counterclockwise rotated thus.The operating angle of rotary pneumatic dish 8 can according to practical situations, be carried out free adjustment by mounting hole 25 structures of turning arm 21.
The nozzle feeder, the device of source of the gas is provided for the nozzle of rotary pneumatic dish, comprise such as Fig. 1 and shown in Figure 3 its: the nozzle flexible pipe 10 of supplying gas, its inlet end connects compressed air source 30, the outlet side connects a swivel joint 9, the welding female of swivel joint 9 is weldingly fixed on the front of gas storage dish 81, and swivel joint 9 can be avoided causing because of rotatablely moving of rotary pneumatic dish 8 and connect the nozzle flexible pipe 10 phenomenon generation that distortion damages that is distorted of supplying gas.The air pressure of nozzle 7 purges power and is imported compressed air sources and send in the rotary pneumatic dish 8 and provided by the nozzle flexible pipe 10 of supplying gas under the duty, because of gas dish 8 be and impeller 14 equidirectional synchronous rotaries again, therefore each nozzle 7 on the rotary pneumatic dish 8 makes the purging face more extensive, even along with rotation.
Pressure in the present embodiment in the compressed air air supply header of compressed air source 30 outputs is 6bar, and this installs in the on-the-spot actual application, can be according to different results of use, by pressure-reducing valve vane rotary speed is controlled in the adjusting of device portal air pressure, reached the effect that energy consumption falls in solar term; Inlet pressure is larger, and vane rotary speed is faster, and inlet pressure reduces, and the respective impeller rotary speed also reduces synchronously.
During rotary side spray air-blowing sweeping device of the present utility model 5 work and the position view of the flying shear of hot continuous rolling unit finish rolling entrance, HMD instrument referring to Fig. 4, as shown in the figure, this device utilizes pedestal 23 to be fixedly installed on the job platform 6, flying shear 3 is in the finish rolling entrance, flying shear inlet roller way roller 1, table roller 1 middle guide plate 2 with through hole, the incoming slab of 4 pairs of flying shears of HMD thermal imaging temperature monitor carries out temperature detection, and 7 pairs of HMD thermal imagings of each nozzle temperature monitor 4 of rotary pneumatic dish is rotated the air-blowing of formula side spray and sweeps in this device.
Those of ordinary skill in the art will be appreciated that, above embodiment illustrates the purpose of this utility model, and be not with opposing restriction of the present utility model, as long as in essential scope of the present utility model, all will drop in the scope of claim of the present utility model variation, the modification of the above embodiment.

Claims (5)

1. the rotary side spray air-blowing of hot rolling sweeping device is characterized in that comprising:
Pedestal (23) is installed on job platform (6) by connecting bolt;
Brace summer (22), its bottom welding are fixed on the pedestal (23), and top is provided with the beam central through hole;
Turning arm (21), its underpart is provided with the arm central through hole with described beam central through hole coupling, cylinder latch (24) is connected in turning arm (21) by arm central through hole and beam central through hole the upper end of brace summer (22), upper-lower position in arm central through hole outer ring is provided with the mounting hole (25) of two symmetries, is provided with a clamping screw in each mounting hole (25);
Impeller (14), the air impeller that is formed by a plurality of impeller blades, central authorities are provided with impeller bore, it places in the air impeller case that is comprised of upper box lid (13) and lower case lid (20), upper box lid (13) and lower case lid (20) are that the bolted by the faying face place connects, the bottom of lower case lid (20) wherein and the welded top of turning arm (21) are fixed, and the air impeller case is being respectively equipped with the impeller casing hole along two of the axial line of impeller bore;
Rotating shaft (12) is placed through in described impeller bore and two the impeller casing holes, and two ends protrude from the air impeller case, and wherein the contact portion of impeller bore and rotating shaft (12) is welded to each other and is fixed into one; The outer end of rotating shaft (12) is provided with external screw thread; The outside in two impeller casing holes is respectively equipped with end cap (15), and the outer of this end cap (15) covers in two impeller casing bore edges of impeller casing, and is connected as one by the case lid of bolt and impeller casing;
The impeller feeder is the device that source of the gas is provided for the rotation of impeller (14), comprises: the impeller flexible pipe (28) of supplying gas, and its inlet end is connected with compressed air source (30), an end of outlet side jointing (27); The air inlet pipe of air impeller case (26), the other end of its inlet end jointing (27), the outlet side connects the air impeller case;
Rotary pneumatic dish (8), it comprises: gas storage dish (81), inner hollow; Thread bush (11) is tapped sleeve pipe, and the one end is fixed on the back side of gas storage dish (81), and the external screw thread of the other end and described rotating shaft (12) outer end is spirally connected mutually; Several nozzles (7) are communicated with gas storage dish (81) respectively, and evenly distribution is fixed on the front of gas storage dish (81);
The nozzle feeder, it is the device that source of the gas is provided for the nozzle of rotary pneumatic dish, it comprises: the nozzle flexible pipe (10) of supplying gas, its inlet end connects compressed air source (30), the outlet side connects a swivel joint (9), and the welding female of swivel joint (9) is weldingly fixed on the front of gas storage dish (81).
2. the rotary side spray air-blowing of hot rolling as claimed in claim 1 sweeping device is characterized in that:
Described rotating shaft (12) also is provided with lower member with the contact position in two impeller casing holes: the outer surface in rotating shaft (12) two ends and air impeller case contact site is provided with circular cone ball bearing (19); The inner ring of circular cone ball bearing (19) is equipped with locating ring (18); The outside of circular cone ball bearing (19) is provided with dust-proof seal ring (16), and described end cap (15) is located at the outside of dust-proof seal ring (16); Be provided with locking nut (17) in upper box lid (13) and outside, lower case lid (20) faying face place.
3. the rotary side spray air-blowing of hot rolling as claimed in claim 1 sweeping device is characterized in that:
Described impeller is supplied gas and also is connected a pressure-reducing valve 29 between flexible pipe (28) and the compressed air source (30).
4. the rotary side spray air-blowing of hot rolling as claimed in claim 1 sweeping device is characterized in that:
Described nozzle (7) adopts the long spray nozzle with the ball-type joint.
5. the rotary side spray air-blowing of hot rolling as claimed in claim 1 sweeping device is characterized in that:
Pressure in the compressed air air supply header of described compressed air source (30) output is 6bar.
CN 201220344571 2012-07-16 2012-07-16 Rotary side air injection blowing device for hot rolling Expired - Lifetime CN202779193U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 201220344571 CN202779193U (en) 2012-07-16 2012-07-16 Rotary side air injection blowing device for hot rolling

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 201220344571 CN202779193U (en) 2012-07-16 2012-07-16 Rotary side air injection blowing device for hot rolling

Publications (1)

Publication Number Publication Date
CN202779193U true CN202779193U (en) 2013-03-13

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103286325A (en) * 2013-05-31 2013-09-11 淮安市滨湖机械有限公司 Rubber tube skinning machine capable of automatically removing scraps
CN107709106A (en) * 2015-06-30 2018-02-16 株式会社小糸制作所 Foreign matter removal device and the vehicle for possessing the foreign matter removal device
CN108188101A (en) * 2017-12-19 2018-06-22 张民基 LED backlight module local foreign body cleaning systems
CN113814896A (en) * 2021-08-25 2021-12-21 彩虹(合肥)液晶玻璃有限公司 Edge blowing device for workbench of grinding machine for substrate glass production

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103286325A (en) * 2013-05-31 2013-09-11 淮安市滨湖机械有限公司 Rubber tube skinning machine capable of automatically removing scraps
CN103286325B (en) * 2013-05-31 2015-09-16 淮安市滨湖机械有限公司 Automatically anti-dandruff rubber tube peeler
CN107709106A (en) * 2015-06-30 2018-02-16 株式会社小糸制作所 Foreign matter removal device and the vehicle for possessing the foreign matter removal device
US10604122B2 (en) 2015-06-30 2020-03-31 Koito Manufacturing Co., Ltd. Foreign matter removal device and vehicle provided with same
CN107709106B (en) * 2015-06-30 2023-08-22 株式会社小糸制作所 Foreign matter removing device and vehicle provided with same
CN108188101A (en) * 2017-12-19 2018-06-22 张民基 LED backlight module local foreign body cleaning systems
CN108188101B (en) * 2017-12-19 2023-09-22 张民基 LED backlight module local foreign matter cleaning system
CN113814896A (en) * 2021-08-25 2021-12-21 彩虹(合肥)液晶玻璃有限公司 Edge blowing device for workbench of grinding machine for substrate glass production

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Granted publication date: 20130313

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