Equipment for automatically producing lining paper for protecting chamber

By combining the design of the frame, wax melting box, wax tank, unwinding system and refrigeration system, the problems of high height, large footprint and safety hazards of traditional liner paper production equipment are solved, and safe and automated liner paper production is realized.

CN223675042UActive Publication Date: 2025-12-16INNER MONGOLIA METAL MATERIAL RES INST
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Patent Information

Application Number
CN202520445593.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-14
Publication Date
2025-12-16
Estimated Expiration
2035-03-14

AI Technical Summary

Technical Problem

Traditional linerboard production equipment is tall, occupies a large area, poses safety hazards, and is complex, making it difficult to achieve safe and efficient automated production.

Method used

The system employs a combined design of frame, wax melting box, wax tank, unwinding system, rewinding system, and refrigeration system. It utilizes an air shaft and cylinder to adjust the paper roll height, a speed-regulating motor to control the paper speed, and a temperature control system and fan assembly to achieve rapid solidification of the wax, thus simplifying the equipment structure.

Benefits of technology

This has resulted in reduced equipment height and footprint, improved safety, automated production, reduced safety risks, and ensured product quality stability and production efficiency.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223675042U_ABST
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Abstract

The utility model relates to equipment for automatically producing lining paper for protecting a hearth, and belongs to the technical field of coating wax on the surface of the lining paper. Comprising a frame body, a wax melting box, a wax liquid tank, an unwinding system, a refrigerating system, a winding system and a temperature control system, the frame body is formed by connecting a horizontal frame and a vertical frame, a lining paper walking supporting roller is arranged on the horizontal frame, an electric heater is arranged in the wax melting box, a wax discharging pipe is arranged on the lower portion of the wax melting box, an electric heating device is arranged at the bottom of the wax liquid tank, and a temperature sensor is installed in the wax liquid tank. A lining paper guide roller is arranged at a port of the wax liquid tank, and a lining paper wax-dipping press roller is arranged at the lower part of the wax liquid tank; the unwinding system is composed of a first air swelling shaft support, a first air cylinder, a first air swelling shaft and a magnetic powder brake, and the winding system is composed of a second air swelling shaft support, a second air cylinder, a second air swelling shaft and a speed regulating motor system. The device has the advantages of being low in height, small in occupied area, simple, safe, reliable and high in automation degree.
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Description

TECHNICAL FIELD

[0001] The utility model relates to an automatic production bore protecting lining paper equipment belongs to the technical field of waxing on the surface of lining paper. BACKGROUND

[0002] Bore protecting lining paper is usually used for wrapping the inside of a bore to protect the inside bore and reduce the ablation and wear caused by the firing of gunpowder. The traditional method of producing bore protecting lining paper is to maintain the temperature of the wax bath constant by steam heating to prevent the wax from solidifying, and after the waxing process is completed, a conveying system is used to quickly lift the original paper that has been immersed in the wax to a very high height, and the wax is quickly solidified by cooling to obtain the required product, and finally the product is collected. The traditional bore protecting lining paper production equipment is large, the pipeline for conveying steam is complicated, and the equipment occupies a large area; and there is pressure inside the pipeline, and continuous operation is prone to pipeline rupture, which poses a safety hazard and even causes safety accidents. In addition, the roller above the wax bath is at a very high height, so a normal height factory building cannot meet the requirements for placing the equipment; and workers need to climb to the position above the roller when placing the original paper, which also poses a safety hazard. Therefore, it is an urgent problem to be solved to develop an automatic waxing bore protecting lining paper production equipment that can reduce the height and the occupied area, eliminate safety hazards, reduce safety risks, and safely and efficiently complete the production of bore protecting lining paper. SUMMARY

[0003] The utility model aims at providing an automatic production bore protecting lining paper equipment with low equipment height, small occupied area, simple equipment, safety and reliability.

[0004] The utility model is realized by the following technical solutions:

[0005] The utility model discloses a frame body, a wax melting box, a wax bath, a unwinding system, a refrigeration system, a winding system and a temperature control system, the frame body is connected by horizontal frame and vertical frame, lining paper walking support rollers are evenly and interval arranged on the horizontal frame, an electric heater is arranged in the wax melting box, a wax discharge pipe is arranged at the lower part of the wax melting box, an electric heating device is arranged at the bottom of the wax bath, a temperature sensor is installed in the wax bath, lining paper guide rollers are arranged at the port of the wax bath, lining paper wax immersion compression rollers are arranged at the lower part of the wax bath, the wax bath is fixed at the lower part of the vertical frame, the wax melting box is fixed at one side of the frame body, and the port of the wax discharge pipe extends into the wax bath. The unwinding system is composed of a first air expansion shaft support, a first air cylinder, a first air expansion shaft and a magnetic powder brake, lining paper pressing guide rollers are arranged at the lower part of the vertical frame, lining paper transition guide rollers are arranged at the middle part of the vertical frame, and lining paper steering guide rollers are arranged at the top end of the vertical frame. The refrigeration system is arranged on the frame body. The winding system is composed of a second air expansion shaft support, a second air cylinder, a second air expansion shaft and a speed regulating motor system.

[0006] The horizontal frame and the vertical frame are both rectangular cuboid metal frame structures.

[0007] The lining paper walking support roller, lining paper pressing guide roller, lining paper transition guide roller and lining paper turning guide roller are connected with the frame body through bearing seat and bearing at both ends.

[0008] The lining paper guide roller and lining paper wax dipping pressing roller are connected with the wax liquid tank through bearing seat and bearing at both ends.

[0009] The top of the wax melting tank is provided with a motor, the motor shaft extends into the wax melting tank, and a stirring paddle is connected to the motor shaft.

[0010] The electric heater in the wax melting tank is an electric heating pipe.

[0011] A valve is arranged on the wax discharge pipe.

[0012] The wax liquid tank is a rectangular metal tank.

[0013] The electric heating device in the wax liquid tank is an electric heating plate.

[0014] The lower part of the two parallel first gas expansion shaft supports of the unwinding system is hinged to the lower beam of the stand, a first gas cylinder is hinged between each first gas expansion shaft support and the stand, a U-shaped clamping groove is formed in the top of the first gas expansion shaft support, the first gas expansion shaft is arranged on the two first gas expansion shaft supports, the bearings at both ends are clamped in the U-shaped clamping grooves of the first gas expansion shaft supports, and a magnetic powder brake is arranged on the first gas expansion shaft support, with the brake gear engaged with the gear at one end of the first gas expansion shaft.

[0015] The refrigeration system is composed of a fan group and a ducted air conditioner, the fans of the fan group are distributed on both sides of the stand and the position where the horizontal frame connects with the stand, the ducted air conditioner is arranged on one side of the horizontal frame, and the air duct of the ducted air conditioner is arranged in the horizontal frame.

[0016] The lower part of the two parallel second gas expansion shaft supports of the winding system is hinged to the front end lower beam of the horizontal frame, a second gas cylinder is hinged between each second gas expansion shaft support and the horizontal frame, a U-shaped clamping groove is formed in the top of the second gas expansion shaft support, and the second gas expansion shaft is arranged on the two second gas expansion shaft supports, with the bearings at both ends clamped in the U-shaped clamping grooves of the second gas expansion shaft supports.

[0017] One end of the second gas expansion shaft is fixed with a gear, the speed regulating motor system is composed of a speed regulating motor and a transmission device, the motor shaft of the speed regulating motor is connected with the transmission device, and the power output gear of the transmission device is engaged with the gear of the second gas expansion shaft.

[0018] The transmission device is composed of a driving sprocket, a chain, a driven sprocket and a power output gear.

[0019] The temperature control system is connected with the electric heater in the wax melting tank, the electric heating device at the bottom of the wax melting tank and the temperature sensor in the wax liquid tank, and is used for controlling the temperature of the wax melting tank, the wax liquid tank and the electric heating device in the wax liquid tank.

[0020] The utility model discloses the advantages are: the unwinding system and the winding system adopt the gas inflation axle fixed paper roll, the gas cylinder adjusts the gas inflation axle height, and the speed regulation motor controls the paper speed, changes the immersion time of paper in the wax tank, thereby further control the thickness of product wax layer, with temperature control system accurate control melting wax box, wax tank, the temperature of electric heating plate in wax tank, overcome the disadvantage of traditional waxing equipment of the paper backing production is huge, height is high, and the pipe line of water vapor conveying system is complicated, realizes the automation production technology, simplifies the production equipment, improves production safety, and the refrigeration system adopts the combination of fan group and air pipe machine, can make the wax liquid that dip coating on raw paper solidify rapidly, further reduces the height of equipment, reduces the operation security hidden danger. BRIEF DESCRIPTION OF DRAWINGS

[0021] Figure 1 It is the structure schematic diagram of the utility model;

[0022] Figure 2 It is the paper backing paper of the utility model shows the schematic diagram;

[0023] Figure 3 It is the structure schematic diagram of melting wax box.

[0024] In the drawing: 1-horizontal frame;2-melting wax box;3-first gas inflation axle support;4-magnetic powder brake;5-first gas cylinder;6-first gas inflation axle;7-stand;8-fan group;9-second gas inflation axle support;10-second gas cylinder;11-second gas inflation axle;12-speed regulation motor;13-lining paper turning guide roller;14-lining paper raw paper roll;15-lining paper paper pressing guide roller;16-lining paper guide roller;17-lining paper wax dipping pressing roller;18-wax tank;19-lining paper transition guide roller;20-lining paper walking support roller;21-air pipe machine;22-temperature control system;23-motor;24-stirring paddle;25-electric heating tube;26-wax discharge pipe;27-valve;28-heat preservation layer. DETAILED DESCRIPTION

[0025] Referring to the drawings, the utility model discloses the utility model includes: frame body, melting wax box 2, wax tank 18, unwinding system, refrigeration system, winding system, temperature control system 22, and frame body is connected and is composed by horizontal frame 1 and stand 7, and horizontal frame 1 and stand 7 are all cuboid metal frame structure, are welded together by channel steel, rectangular steel pipe, square steel pipe, sheet metal, and lining paper walking support roller 20 is evenly spaced and is equipped on horizontal frame 1.

[0026] The wax melting box 2 is a wax melting device arranged on one side of the stand 7 and capable of accommodating 60 kg of paraffin wax. The bottom of the wax melting box 2 is provided with three 2KW electric heating pipes 25 for melting the wax block by electric heating. The inside of the wax melting box shell is made of 304 stainless steel plate, and the outside is provided with a heat preservation layer 28, which is resistant to high temperature of 350℃ and can effectively play a heat insulation role. The top of the wax melting box 2 is provided with a motor 23, the motor shaft extends into the wax melting box, and the motor shaft is connected with a stirring paddle 24. After the wax block is melted, the wax liquid can be fully stirred. The lower part of the wax melting box 2 is provided with a wax discharge pipe 26, and the wax discharge pipe 26 is provided with a valve 27.

[0027] The wax liquid tank 18 is a rectangular metal tank made of 1.8mm thick 304 stainless steel plate. The bottom is connected with three 3KW electric heating plates, and the highest temperature can reach 300℃, which can effectively heat the wax liquid in the wax liquid tank 18. A temperature sensor is installed in the wax liquid tank 18. The end of the wax liquid tank 18 is provided with a backing paper guide roller 16, and the lower part of the wax liquid tank 18 is provided with a backing paper wax immersion pressure roller 17. The wax liquid tank 18 is fixed in the lower part of the stand 7, and the end of the wax discharge pipe 26 of the wax melting box 2 extends into the wax liquid tank 18.

[0028] The unwinding system is composed of a first air expansion shaft support 3, a first air cylinder 5, a first air expansion shaft 6 and a magnetic powder brake 4. The lower part of the two parallel first air expansion shaft supports 3 of the unwinding system is hinged to the lower beam of the stand 7. Each first air expansion shaft support 3 is hinged to the stand 7 with a first air cylinder 5. The top of the first air expansion shaft support 3 is provided with a U-shaped clamping groove. The first air expansion shaft 6 is arranged on the two first air expansion shaft supports 3, and the bearings at both ends are clamped in the U-shaped clamping grooves of the first air expansion shaft supports 3. The magnetic powder brake 4 is arranged on the first air expansion shaft support 3, and the brake gear is engaged with the gear at one end of the first air expansion shaft 6. The first air cylinder 5 is used to lift the unwinding system, which is convenient for manual loading and unloading of raw materials and adjusting the height of the backing paper roll 14. The first air expansion shaft 6 controls the contraction of the key by inflation and deflation to fix the backing paper roll 14. The magnetic powder brake 4 mainly plays the role of brake, thereby improving the tension of the paper.

[0029] A backing paper pressure roller guide 15 is arranged at the lower part of the stand 7, a backing paper transition guide roller 19 is arranged at the middle part of the stand, and a backing paper turning guide roller 13 is arranged at the top end of the stand.

[0030] The backing paper running support roller 20, the backing paper pressure roller guide 15, the backing paper transition guide roller 19 and the backing paper turning guide roller 13 are all connected with the frame body through bearing seats and bearings at both ends. The backing paper guide roller 16 and the backing paper wax immersion pressure roller 17 are connected with the wax liquid tank 18 through bearing seats and bearings at both ends.

[0031] The refrigeration system is composed of fan group 8 and ducted air conditioner 21. The fans of fan group 8 are distributed on both sides of stand 7 and the position of horizontal frame 1 connected with stand 7. Ducted air conditioner 21 is arranged on one side of horizontal frame 1. The air duct of ducted air conditioner 21 is arranged in horizontal frame 1.

[0032] The winding system is composed of second pneumatic axle support 9, second pneumatic cylinder 10, second pneumatic axle 11 and speed regulating motor system 12. The lower part of two parallel arranged second pneumatic axle supports 9 of winding system is hinged with the lower beam at the front end of horizontal frame 1. Each second pneumatic axle support 9 is hinged with a second pneumatic cylinder 10 between horizontal frame 1. U-shaped clamping slot is opened at the top of second pneumatic axle support 9. Second pneumatic axle 11 is arranged on two second pneumatic axle supports 9. The bearings at both ends are clamped in the U-shaped clamping slot of second pneumatic axle support 9.

[0033] The one end of second pneumatic axle 11 is fixed with gear. Speed regulating motor system 12 is composed of speed regulating motor and transmission device. The transmission device is composed of driving sprocket, chain, driven sprocket and power output gear. The power output gear is coaxial with driven sprocket. The driving sprocket of transmission device is connected with the motor shaft of speed regulating motor. The chain connects driving sprocket and driven sprocket. The power output gear is engaged with the gear of second pneumatic axle 11. The winding system can be lifted by second pneumatic cylinder 10, which is convenient for manual loading and unloading of raw materials and adjusting the height of paper roll. Second pneumatic axle 11 controls the contraction of key by inflation and deflation, to fix the paper roll. Speed regulating motor system 12 provides power for winding system and adjusts the rotation speed of motor by speed regulating motor, so as to adjust the advancing speed of paper roll raw material in unwinding system, change the soaking time of paper in wax tank 18, and further control the thickness of product wax layer.

[0034] Temperature control system 22 is produced by Source Guang Electrical Technology Co., Ltd. It is used to control the temperature of melting wax box 2, receives the signal of temperature sensor in wax tank in real time, controls the temperature of electric heating plate in wax tank 18, so as to control the temperature of wax tank 18, prevent the wax from cooling and solidifying, and affect the coating amount and uniformity of wax on paper. At the same time, as an important parameter in production process, the temperature of wax is kept constant by temperature control system 22, which can further ensure the quality stability of product.

[0035] The specific implementation process is as follows:

[0036] Before the equipment is powered on, the raw paper is loaded on first pneumatic axle 6 and placed on unwinding system. The height is adjusted by lifting paper roll by first pneumatic cylinder 5. After completion, first pneumatic axle 6 controls the contraction of key by inflation and deflation, to fix the paper roll.

[0037] The base paper of the base paper roll 14 is pulled off and sequentially passes through the base paper guide roller 15, the base paper guide roller 16, the base paper wax dipping compression roller 17, the base paper turning guide roller 13, the base paper transition guide roller 19, a plurality of base paper walking support rollers, and is fixed at the end of the paper tube sleeved on the second air expansion shaft 11 by the adhesive tape.

[0038] After the wax raw material is weighed according to the proportion, it is poured into the wax melting box 2, the temperature of the electric heating rod 25 in the box body is raised, after the wax block is completely melted, the motor 23 is started, the stirring paddle 24 is fully stirred to the wax liquid, until a uniform mixed solution is formed in the box body. At the same time, the wax block is melted, the electric heating plate of the wax liquid tank 18 is turned on, and the temperature control system 22 is used to control the temperature of the electric heating plate to preheat the wax liquid tank 18.

[0039] Open the valve 27, transfer the wax liquid from the wax melting box 2 to the wax liquid tank 18, control the temperature of the electric heating plate to keep the temperature of the wax liquid in the wax liquid tank 18 constant.

[0040] Start the refrigeration system to rapidly cool and solidify the wax liquid on the base paper after passing through the wax liquid tank.

[0041] Start the winding system. Adjust the height of the second air expansion shaft 11 through the second air cylinder 10, and fix the paper tube by controlling the contraction of the key through the inflation and deflation of the second air expansion shaft 11. Start the speed regulation motor to adjust the speed, thereby adjusting the dipping time of the base paper in the wax liquid tank, collecting the products, and realizing automatic production.

Claims

1. An apparatus for automatically producing a core-protecting paper, comprising: The frame body, wax melting box, wax liquid tank, unwinding system, refrigeration system, winding system and temperature control system are characterized in that: the frame body is composed of a horizontal frame and a vertical frame, the horizontal frame is provided with evenly spaced lining paper walking support rollers, the wax melting box is provided with an electric heater, the lower part of the wax melting box is provided with a wax discharge pipe, the bottom of the wax liquid tank is provided with an electric heating device, a temperature sensor is installed in the wax liquid tank, the lining paper guide roller is arranged at the port of the wax liquid tank, the lining paper wax immersion pressure roller is arranged at the lower part of the wax liquid tank, the wax liquid tank is fixed at the lower part of the vertical frame, the wax melting box is fixed at one side of the frame body, and the wax discharge pipe extends into the wax liquid tank; the unwinding system is composed of a first air expansion shaft support, a first air cylinder, a first air expansion shaft and a magnetic powder brake, the lining paper pressure guide roller is arranged at the lower part of the vertical frame, the lining paper transition guide roller is arranged at the middle part of the vertical frame, and the lining paper turning guide roller is arranged at the top end of the vertical frame; the refrigeration system is arranged on the frame body; the winding system is composed of a second air expansion shaft support, a second air cylinder, a second air expansion shaft and a speed regulating motor system.

2. The apparatus according to claim 1, wherein: The horizontal frame and the vertical frame are both rectangular cuboid metal frame structures.

3. The apparatus according to claim 1, wherein: The lining paper walking support rollers, the lining paper pressure guide roller, the lining paper transition guide roller and the lining paper turning guide roller are both connected with the frame body through bearing seats and bearings at both ends.

4. The apparatus according to claim 1, wherein: The lining paper guide roller and the lining paper wax immersion pressure roller are both connected with the wax liquid tank through bearing seats and bearings at both ends.

5. The apparatus according to claim 1, wherein: The top of the wax melting box is provided with a motor, the motor shaft extends into the wax melting box, and a stirring paddle is connected to the motor shaft.

6. The apparatus according to claim 1, wherein: The lower parts of the two parallel first air expansion shaft supports of the unwinding system are hinged to the lower beam of the vertical frame, a first air cylinder is hinged between each first air expansion shaft support and the vertical frame, a U-shaped clamping groove is formed in the top of each first air expansion shaft support, the first air expansion shaft is arranged on the two first air expansion shaft supports, the bearings at both ends are clamped in the U-shaped clamping grooves of the first air expansion shaft supports, and a magnetic powder brake is arranged on the first air expansion shaft support, with the brake gear engaging with the gear at one end of the first air expansion shaft.

7. The apparatus according to claim 1, wherein: The refrigeration system is composed of a fan group and a wind pipe machine, the fans of the fan group are distributed on both sides of the vertical frame and the position where the horizontal frame connects with the vertical frame, the wind pipe machine is arranged on one side of the horizontal frame, and the wind pipe of the wind pipe machine is arranged in the horizontal frame.

8. The apparatus according to claim 1, wherein: The lower parts of the two parallel second air expansion shaft supports of the winding system are hinged to the lower end beam of the horizontal frame, a second air cylinder is hinged between each second air expansion shaft support and the horizontal frame, a U-shaped clamping groove is formed in the top of each second air expansion shaft support, and the second air expansion shaft is arranged on the two second air expansion shaft supports, with the bearings at both ends clamped in the U-shaped clamping grooves of the second air expansion shaft supports.

9. The apparatus according to claim 8, wherein: One end of the second air expansion shaft is fixed with a gear, the speed regulating motor system is composed of a speed regulating motor and a transmission device, the motor shaft of the speed regulating motor is connected with the transmission device, and the power output gear of the transmission device engages with the gear of the second air expansion shaft.

10. The apparatus according to claim 1, wherein: The temperature control system is connected with the electric heater in the wax melting box, the electric heating device at the bottom of the wax melting box and the temperature sensor in the wax liquid tank, and is used for controlling the temperature of the wax melting box, the wax liquid tank and the electric heating device in the wax liquid tank.