CN217289807U

CN217289807U - Device for repairing mill housing frame

Info

Publication number: CN217289807U
Application number: CN202123358727.1U
Authority: CN
Inventors: 田路兵
Original assignee: Zibo Solai Industrial Equipment Maintenance Technology Co ltd
Current assignee: Zibo Solai Industrial Equipment Maintenance Technology Co ltd
Priority date: 2021-12-29
Filing date: 2021-12-29
Publication date: 2022-08-26
Anticipated expiration: 2031-12-29

Abstract

The utility model discloses a device for repairing a mill housing frame, which comprises a frame, wherein the frame is provided with an oxygen acetylene bottle placing position, the oxygen acetylene bottle placing position is provided with a fixing plate capable of being opened and closed, and the fixing plate is of an arc structure and is used for fixing the oxygen acetylene bottle; the frame is provided with a spray head placing position, the spray head placing position is provided with an inclined fixing piece, and the end part of the fixing piece is provided with a spray head screwing piece used for fixing the spray head; the frame is provided with a fire extinguisher placing position for placing a fire extinguisher; the method has the advantages of realizing the rapid repair of the corrosive wear defects on the surface of the housing of the rolling mill on site, having no need of disassembly, having short repair time, having no requirement on the depth of corrosive erosion, having high cost performance, saving the maintenance cost and having no influence on the production efficiency.

Description

Device for repairing mill housing frame

Technical Field

The utility model belongs to the technical field of mechanical maintenance, concretely relates to restore device of rolling mill memorial archway frame.

Background

The rolling mill housing frame is composed of two pieces of square housing frames for installing a roller bearing seat and a roller adjusting device, A, B two frames are oppositely formed, and enough strength and rigidity are required to bear rolling force. The frame type mainly comprises a closed type and an open type. The closed type frame is an integral frame, has higher strength and rigidity, and is mainly used for a blooming mill, a strip mill and the like with higher rolling force. The frame is subjected to severe friction and corrosion, the disassembly and maintenance cost is high, and the production is seriously influenced. Therefore, the surface of the housing of the rolling mill is generally repaired, and the traditional process technology comprises the following steps: repair welding machine processing, brush degree, laser cladding etc. but have the restriction to the corrosion scouring depth on surface, the repair cycle is long, and the price is expensive, has the problem that influences production equally. Therefore, a method for repairing the corrosive wear of the mill housing frame on site is urgently needed to be designed so as to solve the problems of insufficient repairing depth, long repairing period and high cost of the existing method for repairing the surface of the mill housing frame.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a repair device of rolling mill memorial archway frame.

The utility model provides a technical scheme that its technical problem adopted is: a device for repairing a mill housing frame comprises a frame, wherein the frame is provided with an oxygen acetylene cylinder placing position, the oxygen acetylene cylinder placing position is provided with a fixing plate capable of being opened and closed, and the fixing plate is of an arc-shaped structure and used for fixing the oxygen acetylene cylinder; the frame is provided with a spray head placing position, the spray head placing position is provided with an inclined fixing piece, and the end part of the fixing piece is provided with a spray head screwing piece used for fixing the spray head; the frame is equipped with the fire extinguisher place for place the fire extinguisher.

Specifically, a first support frame and a second support frame are arranged on the side face of the frame, the first support frame is a straight rod and forms an angle of 90 degrees with the frame, and the second support frame is triangular and forms an angle of 30 degrees with the frame.

Specifically, the top of the frame is provided with a handle, and the bottom of the frame is provided with a moving wheel for moving the device.

Specifically, the spray head placing position is used for placing a spray head of a sand blasting machine or a spray head of a water spraying gun, and the spray head placing position is respectively used for polishing and cleaning the mill housing frame.

The utility model discloses following beneficial effect has: the defects of corrosive wear on the surface of the housing of the rolling mill housing are quickly repaired on site, disassembly is not needed, the repairing time is short, the requirement on the depth of corrosive erosion is avoided, the cost performance is high, the maintenance cost is saved, and the production efficiency is not influenced.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a side view of fig. 1.

In the figure: 1-a frame; 2-oxygen acetylene cylinder placing position, 21-fixing plate; 3-a nozzle placing position, 31-a fixing piece and 32-a fastening piece; 4-fire extinguisher placement position; 5-a first support frame; 6-a second support frame; 7-a handle; 8-moving wheel.

Detailed Description

The present invention will now be described in further detail with reference to the accompanying drawings.

As shown in fig. 1, a device for repairing a rolling mill housing frame comprises a frame 1, wherein the frame 1 is provided with an oxygen acetylene cylinder placing position 2, the oxygen acetylene cylinder placing position 2 is provided with a fixing plate 21 capable of being opened and closed, and the fixing plate 21 is of an arc-shaped structure and used for fixing the oxygen acetylene cylinder 2; the frame 1 is provided with a spray head placing position 3, the spray head placing position 3 is provided with an inclined fixing piece 31, and the end part of the fixing piece is provided with a spray head screwing piece 32 for fixing the spray head; the frame 1 is provided with a fire extinguisher placing position 4 for placing a fire extinguisher.

The side face of the frame 1 is provided with a first support frame 5 and a second support frame 6, the first support frame 5 is a straight rod and forms an angle of 90 degrees with the frame 1, and the second support frame 6 is a triangle and forms an angle of 30 degrees with the frame 1.

The top of the frame 1 is provided with a handle 7 and the bottom of the frame 1 is provided with a moving wheel 8 for moving the device.

The spray head placing position 3 is used for placing a spray head of a sand blasting machine or a spray head of a water spraying gun and is respectively used for polishing and cleaning the mill housing frame.

The utility model discloses a use method:

the first step is as follows: the new lining plate is provided with a jackscrew hole and a material injection hole;

machining a jackscrew hole and a material injection hole on the new lining plate, wherein the specification of the jackscrew hole is M12, the specification of the material injection hole is M10 multiplied by 1, the number of the material injection holes is 6-12, or the distance between the two jackscrew holes in the horizontal direction and the vertical direction is kept within 300mm and the distance between the material injection holes in the horizontal direction and the vertical direction is kept within 200mm according to the number of bolts for installing and fastening the new lining plate; remarking: the jackscrew hole and the material injection hole can be processed in advance in the process of processing the lining plate.

The second step is that: treating the surface of the frame to be repaired;

(1) surface oil baking: conveying an oxygen acetylene bottle to a to-be-repaired position of the stand through a device for repairing the stand of the rolling mill housing, removing oil stains and water on the surface of the to-be-repaired position, and completely baking to reach the surface;

(2) use sand blasting machine, place sand blasting machine's shower nozzle and place position 3 departments at the shower nozzle, the other end of handheld shower nozzle, the device can stabilize the blowout direction of shower nozzle, carries out accurate sandblast, also can use the polisher to polish:

(3) the sprayer of the water spraying gun is placed at the position 3, the other end of the sprayer is held by hand, and the position to be repaired is subjected to accurate surface cleaning.

The third step: wiping a release agent SD7000 and installing a jackscrew;

firstly, cleaning the surface of a new lining plate, the fastening bolt of the lining plate and the thread surface of a jackscrew by using absolute ethyl alcohol (with the concentration of 99.7 percent) and airing; then a layer of SD7000 demoulding agent is thinly wiped on the surface of the composite material, and the composite material is dried; the aim is to prevent the new lining plate and the jackscrew from being bonded by the sorrel carbon nano polymer material, and the lining plate is convenient to disassemble and replace; finally, the jackscrew is installed on the new lining plate.

The fourth step: positioning and installing a new lining plate;

mounting a new lining plate on a frame, measuring A, B the actual distance L1 between frames by using a laser measuring instrument and taking the worn surface on the frame as a reference, and marking the position of a center line; after the position of the center line is well positioned, the position of the center line is taken as a reference, the drawing size L0/2 of the working surface of the lining plate is taken as a measurement size standard, the lining plate on the A, B rack is accurately positioned, and the lining plate can be adjusted through jackscrews and fastening bolts in the positioning process; thus, two symmetrical lining boards on the A, B machine frame are positioned at the same time.

And after the positioning is finished, an outside micrometer is used for checking the positioning size, so that the positioning size is ensured to be accurate. The measurement points are 1, 2, 3, 4, 5, 6. The 6 point values are all close to L0 and within the required tolerance.

The fifth step: injecting the sorrel carbon nano polymer material through the material injection hole;

firstly, sealing a combination gap between the edge of a new lining plate and a rack by using a sorrel carbon nano polymer material to prevent the material from overflowing in the material injection process, and reserving vent holes at reasonable positions; and injecting the blended material into a gap between the new lining plate and the rack by using a material injection tool until the material overflows from the exhaust holes.

And a sixth step: and solidifying the sorrel carbon nano polymer material, checking the size, and fastening the lining plate fixing bolt.

The utility model discloses not be limited to above-mentioned embodiment, anybody should learn the structural change who makes under the teaching of the utility model, all with the utility model discloses have the same or close technical scheme, all fall into the utility model discloses an within the protection scope.

The technology, shape and construction parts which are not described in detail in the present invention are all known technology.

Claims

1. The device for repairing the mill housing frame is characterized by comprising a frame, wherein the frame is provided with an oxygen acetylene cylinder placing position, the oxygen acetylene cylinder placing position is provided with a fixing plate capable of being opened and closed, and the fixing plate is of an arc-shaped structure and used for fixing the oxygen acetylene cylinder; the frame is provided with a spray head placing position, the spray head placing position is provided with an inclined fixing piece, and the end part of the fixing piece is provided with a spray head screwing piece used for fixing the spray head; the frame is equipped with the fire extinguisher place for place the fire extinguisher.

2. The apparatus for repairing a rolling mill housing bay as claimed in claim 1, wherein said frame is flanked by a first support and a second support, the first support being a straight bar forming a 90 ° angle with the frame and the second support being a triangle forming a 30 ° angle with the frame.

3. The apparatus for repairing a mill housing frame of claim 1 wherein said frame is provided with a handle at the top and moving wheels at the bottom for moving said apparatus.

4. The apparatus for repairing a rolling mill housing stand of claim 1, wherein said nozzle holding position is used for holding a nozzle of a sandblasting machine or a nozzle of a water spraying gun for polishing and cleaning the rolling mill housing stand, respectively.