CN110901094A - Wear-resistant lining plate and manufacturing method and equipment thereof - Google Patents

Wear-resistant lining plate and manufacturing method and equipment thereof Download PDF

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Publication number
CN110901094A
CN110901094A CN201911301307.4A CN201911301307A CN110901094A CN 110901094 A CN110901094 A CN 110901094A CN 201911301307 A CN201911301307 A CN 201911301307A CN 110901094 A CN110901094 A CN 110901094A
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China
Prior art keywords
liquid
lining plate
wear
pipe
resistant lining
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Granted
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CN201911301307.4A
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Chinese (zh)
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CN110901094B (en
Inventor
李逸泉
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Tiptop (tianjin) Rubber Technology Co Ltd
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Tiptop (tianjin) Rubber Technology Co Ltd
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C69/00Combinations of shaping techniques not provided for in a single one of main groups B29C39/00 - B29C67/00, e.g. associations of moulding and joining techniques; Apparatus therefore
    • B29C69/007Lining or sheathing in combination with forming the article to be lined
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29BPREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B11/00Making preforms
    • B29B11/06Making preforms by moulding the material
    • B29B11/12Compression moulding
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29BPREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B7/00Mixing; Kneading
    • B29B7/002Methods
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C37/00Component parts, details, accessories or auxiliary operations, not covered by group B29C33/00 or B29C35/00
    • B29C37/02Deburring or deflashing
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C39/00Shaping by casting, i.e. introducing the moulding material into a mould or between confining surfaces without significant moulding pressure; Apparatus therefor
    • B29C39/02Shaping by casting, i.e. introducing the moulding material into a mould or between confining surfaces without significant moulding pressure; Apparatus therefor for making articles of definite length, i.e. discrete articles
    • B29C39/10Shaping by casting, i.e. introducing the moulding material into a mould or between confining surfaces without significant moulding pressure; Apparatus therefor for making articles of definite length, i.e. discrete articles incorporating preformed parts or layers, e.g. casting around inserts or for coating articles
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C39/00Shaping by casting, i.e. introducing the moulding material into a mould or between confining surfaces without significant moulding pressure; Apparatus therefor
    • B29C39/22Component parts, details or accessories; Auxiliary operations
    • B29C39/38Heating or cooling
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C43/00Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
    • B29C43/22Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor of articles of indefinite length
    • B29C43/24Calendering
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29KINDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2075/00Use of PU, i.e. polyureas or polyurethanes or derivatives thereof, as moulding material

Abstract

The invention provides a novel composite material wear-resistant lining plate and a manufacturing method and equipment thereof, wherein the novel composite material wear-resistant lining plate is manufactured by a polyurethane raw material mixed solution and a semi-vulcanized rubber layer through a platform hot vulcanization molding process, wherein the thickness of the semi-vulcanized rubber layer is 1-3 mm, and the novel composite material wear-resistant lining plate is prepared from the following formula in percentage by weight: 50-70% of chloroprene rubber, 25-35% of black carbon, 0.5-1% of stearic acid, 0.5-1% of an activating agent and 8-14% of a vulcanizing agent, and the chloroprene rubber is prepared by mixing, calendering and coiling. The problem of need bolt location installation is solved. When the lining plate is installed, equipment is not needed to be punched, a positioning bolt is not needed, and the lining plate can still be firmly fixed on a chute or a storage bin.

Description

Wear-resistant lining plate and manufacturing method and equipment thereof
Technical Field
The invention belongs to the technical field of storage bins and chute lining plates, and particularly relates to a novel composite wear-resistant lining plate and a manufacturing method and equipment thereof.
Background
In industrial production, a storage bin and a chute are key devices for guiding and bearing materials in a transfer engineering. In particular for guiding and transferring ores or other abrasive materials, lining plates are usually laid on the inner wall of the silo to enhance the protection of the steel plates on the wall of the silo. Common lining plate materials include wear-resistant steel lining plates, rubber lining plates, ceramic lining plates, polyurethane lining plates, cast stone lining plates and the like. No matter which kind of material welt, when using the bolt to fix, all need drill on the silo wall steel sheet, welt fixing bolt will avoid the gusset position of silo wall simultaneously, perhaps suitably changes the gusset position to welt bolt fastening.
Traditional bolt hole distributions such as feed bin, chute do not have the design rule, if there is the welt of fixed mounting hole, can increase the kind of welt, increase the cost of manufacture, lack interchangeability simultaneously, also be convenient for this article spare part work. If the lining plate is not provided with the fixed mounting hole, the bolt position of the lining plate can be adjusted only according to specific conditions, so that the punching equipment is required to be used for punching on site, and the field power access is involved.
The invention carries out detailed retrieval through the state intellectual property office official website retrieval service system, obtains the following prior arts, and simply introduces the prior arts so as to better understand the inventive concept of the invention and show the technical advantages and the technical characteristics of the invention.
Prior art 1: CN201120309438 discloses a wear-resistant ceramic lining plate made of composite material, wherein: the middle of the wear-resistant ceramic lining plate of the composite material is provided with a rubber buffer layer, the upper part of the rubber buffer layer is fixed with a wear-resistant ceramic layer, and the lower part of the rubber buffer layer is fixed with a base steel plate layer; the rubber buffer layer is formed by mixing natural rubber; the edge of the substrate steel plate layer is fixed with a frame surrounding the wear-resistant ceramic layer and the rubber buffer layer; the wear-resistant ceramic layer is provided with a through hole penetrating through the rubber buffer layer and the base steel plate layer; the base steel plate layer can adopt Q235A high-quality steel plates; the composite process of the liner plate in the processing process is still complex.
Prior art 2: CN103708730A discloses a rolled microcrystal lining board, which is prepared by mixing 30-50% of slag powder, 20-25% of alumina, 15-25% of zirconia and 15-25% of rock powder, wherein the preparation method comprises the steps of uniformly mixing the raw materials in parts by weight, melting at 1800 ℃ of 1500-. But the manufacturing process is more complicated.
Prior art 3: KR20130120947A discloses a chute liner which is structurally improved but the composite properties of the material are general.
Disclosure of Invention
The invention aims to provide a novel composite material wear-resistant lining plate and a manufacturing method and equipment thereof, and solves the problem that bolts are needed to be positioned and installed. When the lining plate is installed, equipment is not needed to be punched, a positioning bolt is not needed, and the lining plate can still be firmly fixed on a chute or a storage bin. The specific scheme is as follows:
a wear-resistant lining plate is manufactured by a polyurethane raw material mixed solution and a semi-vulcanized rubber layer through a platform hot vulcanization molding process, wherein the thickness of the semi-vulcanized rubber layer is 1-3 mm, and the wear-resistant lining plate is prepared from the following components in percentage by weight: 50-70% of chloroprene rubber, 25-35% of black carbon, 0.5-1% of stearic acid, 0.5-1% of an activating agent and 8-14% of a vulcanizing agent, and the chloroprene rubber is prepared by mixing, calendering and coiling.
Further, the manufacturing method of the wear-resistant lining plate is characterized by comprising the following steps: comprises the following steps: (1) mixing the components according to the formula, rolling and coiling to prepare a semi-vulcanized rubber layer with the thickness of 1-3 mm for later use;
(2) uniformly mixing the component A and the component B of the polyurethane raw material by adopting polyurethane raw material mixing equipment to prepare a polyurethane raw material mixed solution for later use;
(3) fixing a lining plate mold on a hot vulcanization molding heating platform, flatly paving a semi-vulcanized rubber layer in a mold cavity of the mold, keeping the temperature of the heating platform at 90-130 ℃, pouring a polyurethane raw material mixed solution on the semi-vulcanized rubber layer under normal pressure, closing the mold, and keeping the heating temperature for 30-60 min;
(4) and (4) after the product is cooled, demolding, and removing redundant polyurethane and rubber leftover materials to obtain the complete wear-resistant lining plate.
The invention also provides a manufacturing device of the wear-resistant lining plate, which comprises a first premixing tank and a second premixing tank which are arranged in parallel, wherein discharge ports of the first premixing tank and the second premixing tank are respectively communicated with two feeding ports of a homogeneous mixing tank through a feeding pipe, and a line gap filter and a metering pump are sequentially arranged on the feeding pipe;
the hot vulcanization molding heating platform is arranged above the hot vulcanization molding platform, and a discharge hole of the homogeneous mixing tank is communicated with the material distributing device;
the material distributing device comprises a material distributing funnel with a strip-shaped material outlet at the lower part, a flat material distributing belt communicated with the material distributing funnel, a pair of discharging squeeze rollers with driving motors arranged inside, a pair of auxiliary squeeze rollers with driving motors arranged inside and a material liquid groove;
the auxiliary extrusion roller is positioned at the front part of the discharging extrusion roller, the flat cloth belt sequentially passes through the position between the auxiliary extrusion roller and the upper roller and the lower roller of the discharging extrusion roller to extend to the hot vulcanization forming heating platform, and the auxiliary extrusion roller and the lower roller of the discharging extrusion roller are positioned in the material liquid groove;
the cleaning assembly comprises an L-shaped chain loop, a positioning pulley block for fixing the chain loop, a pulley block driving assembly and a chain correcting assembly, wherein the part of the chain loop corresponding to the discharging squeeze roller is provided with a cleaning brush, the pulley block driving assembly comprises a driving motor and a driving gear connected with the driving motor, the front end of the driving gear is provided with an auxiliary limiting pinion, and the periphery of the driving gear is meshed with one positioning pulley; the chain correction assembly comprises a steel bar loop and a limit gear, the limit gear is arranged under the driving gear, and the steel bar loop is meshed with the limit gear and an auxiliary limit pinion of the driving gear respectively.
Furthermore, return pipes are respectively arranged at two feeding ports of the homogeneous mixing tank, the other end of each return pipe penetrates through a heat exchanger and is inserted into the premixing tank, and a low-pressure switching unit is arranged between each return pipe and the corresponding feeding pipe; the first premixing tank and the second premixing tank are connected with a temperature control unit, and a liquid level sensor is arranged in the homogeneous mixing tank and is connected with a liquid level control system through the liquid level sensor.
Furthermore, the homogeneous mixing tank comprises a T-shaped shell, the T-shaped shell consists of a U-shaped shell at the lower part and a cylindrical shell at the upper part, a conical container with an upward opening is arranged in the U-shaped shell, a motor is connected below the conical container through a hollow driving shaft, the other end of the hollow driving shaft penetrates through the conical container and is fixedly connected with a rotating plate, one end of an internal channel in the hollow driving shaft is communicated with the conical container, and the other end of the internal channel is communicated with the feeding pipe;
a funnel-shaped distributing pipe is arranged above the rotating plate in the conical container, the funnel-shaped distributing pipe is fixed on the cylindrical shell, a liquid distribution gap is reserved between the bottom of the distributing pipe and the rotating plate, a liquid distribution cover is arranged on the periphery of the distributing pipe at the upper part of the conical container, and a liquid passing gap is reserved between the liquid distribution cover and the upper edge of the conical container;
an annular liquid collecting hopper is fixedly connected to the upper edge of the U-shaped shell, the liquid passing gap extends into the annular liquid collecting hopper, and a group of liquid outlet pipes are symmetrically arranged below the annular liquid collecting hopper;
the upper portion of infundibulate liquid distribution pipe is connected with one section and extends the feed liquor pipe, extends the feed liquor pipe other end and is connected with a feed hopper.
Further, the center of the rotating plate is provided with a conical convex shape.
Furthermore, the hollow channel in the hollow driving shaft is T-shaped, the outlet of the transverse internal channel is communicated with the conical container, and the inlet of the vertical internal channel is communicated with the feeding pipe.
Furthermore, a liquid supplementing channel is arranged above the liquid distribution cover, and the other end of the liquid supplementing channel penetrates through the T-shaped shell and is communicated with the feeding pipe.
Furthermore, the feed hopper with extend feed liquor union coupling and be in extend the inside propulsion screw rod that is equipped with of horizontal pipe of inlet pipe, screw rod one end is connected with driving motor.
Furthermore, a vibrator is arranged outside the extending liquid inlet pipe at the joint of the funnel-shaped distributing pipe and the extending liquid inlet pipe.
Compared with the prior art, the invention has the advantages and positive effects that:
(1) the invention has the innovative thinking that two different materials are combined together, the bonding layer in a semi-vulcanized state is prepared by mixing and rolling, and then the bonding layer of the semi-vulcanized rubber and the polyurethane mixed liquid can be integrally formed under normal pressure through a platform hot vulcanization process without overlapping between rubbers, and the bonding layer of the semi-vulcanized rubber and the polyurethane plate are perfectly fused;
(2) the manufacturing equipment of the wear-resistant lining plate can ensure that the two materials can be integrally formed under normal pressure, the hot vulcanization equipment does not need to provide pressure, the equipment structure is relatively simple, and energy is saved;
(3) the rubber layer in a semi-vulcanized state does not need to be vulcanized independently, and the polyurethane liquid can be fully mixed by adopting the manufacturing equipment of the invention without fine powder, can be better combined with the semi-vulcanized rubber layer for vulcanization, thereby saving time and energy and improving the production efficiency;
(4) compared with the vulcanization temperature of the combination of the rubber layer in the semi-vulcanization state and the polyurethane, the vulcanization temperature of the combination of the rubber and other materials is lower, and the heat energy is saved;
(5) the thickness of the die can be adjusted, one die does not need to be manufactured by one thickness, the use is convenient, and the cost is lower;
(6) when the spreading mode and the using amount are designed according to the area of the steel plate of the storage bin, the steel plate spreading device does not need to be fixed by bolts, does not need to be perforated, does not have the limitation of hole positions, and is simple and convenient to calculate;
(7) the process of mounting the lining plate only needs to use a matched cold vulcanizing agent for bonding, matched bolts do not need to be prepared, and if the lining plate is damaged, part of the lining plate can be replaced at any time, so that the preparation of spare parts is facilitated;
(8) the lining plate does not need to be punched on site, large-scale punching equipment is not needed, power needed by the punching equipment is not needed, and construction cost is reduced.
Drawings
FIG. 1 is a flow chart of the structure of the equipment for manufacturing the wear-resistant lining plate of the invention;
FIG. 2 is a schematic view of the combination of the thermal vulcanization molding platform and the distribution device shown in FIG. 1;
FIG. 3 is a schematic structural view of a homogeneous mixing bowl in the polyurethane raw material mixing apparatus of the present invention;
FIG. 4 is a schematic structural view of a distributing device according to the present invention;
fig. 5 is a schematic view showing the operation of the discharging squeeze roller and the cloth belt in the cloth device of fig. 4 according to the present invention.
Detailed Description
The invention is further illustrated by the following and detailed description.
Example 1
A composite material for a lining board comprises a semi-vulcanized rubber and a polyurethane material, and the manufacturing process comprises the following steps: 1) the material formula for preparing the semi-vulcanized rubber layer comprises the following materials in percentage by weight: 60% of chloroprene rubber, 30% of black carbon black, 0.8% of stearic acid, 0.8% of an activating agent and 11% of a vulcanizing agent; 2) mixing the components, rolling and coiling to prepare a semi-vulcanized rubber layer with the thickness of 2mm for later use; 3) preparing a polyurethane raw material mixed liquid, and uniformly mixing a polyurethane component A and a polyurethane component B for later use; 4) selecting a platform hot vulcanization molding process, and pouring the polyurethane stock solution onto an open heating platform shown in figure 2; 5) fixing the mold on a heating platform, flatly paving the semi-vulcanized rubber layer in a mold cavity of the mold, pouring polyurethane raw material mixed liquid on the semi-vulcanized rubber layer, and closing the mold; 6) heating the platform at 120 deg.C for 45min, and vulcanizing and molding under normal atmospheric pressure to obtain product with thickness of 15 mm; 7) and after the product is demoulded and cooled, removing redundant polyurethane and rubber leftover materials to obtain the complete wear-resistant lining plate.
In order to ensure effective implementation of the method of the present invention, the manufacturing equipment of the wear-resistant lining plate adopted in embodiment 1 is designed as follows: as shown in fig. 1 and 2, the device comprises a first premixing tank 1 and a second premixing tank 2 which are arranged in parallel, wherein the discharge ports of the first premixing tank 1 and the second premixing tank 2 are respectively communicated with two feed inlets of a homogeneous mixing tank 8 through feed pipes, a line gap filter 4 (used for filtering powder which is not fully dissolved after premixing) and a metering pump 5 (used for controlling the amount of feed liquor) are sequentially arranged on the feed pipes, the device further comprises a heat vulcanization molding heating platform 10, a material distribution device 11 is arranged above the heat vulcanization molding platform, and the discharge port of the homogeneous mixing tank 8 is communicated with the material distribution device 11.
The material distribution device 11 is shown in fig. 4 and 5, and includes a material distribution funnel 101 with a strip-shaped material outlet at the lower part, a flat material distribution belt 102 (a front end material distribution belt 102a and a rear end material distribution belt 102b) communicated with the material distribution funnel 101, a pair of material discharge squeezing rollers 103 (an upper roller 103a and a lower roller 103b) with driving motors arranged therein, a pair of auxiliary squeezing rollers 104 (an upper roller 104a and a lower roller 104b) with driving motors arranged therein, and a material liquid tank 105 (with polyurethane mixed liquid filled therein);
the auxiliary squeezing roller 104 is positioned in front of the discharging squeezing roller 103, the flat cloth belt 102 sequentially passes through the space between the upper roller and the lower roller of the auxiliary squeezing roller 104 and the discharging squeezing roller 103 and extends towards the hot vulcanization molding heating platform 10, and the lower rollers of the auxiliary squeezing roller 104 and the discharging squeezing roller 103 are positioned in the material liquid groove 105;
the cleaning assembly comprises a chain loop 107 in an L-shaped structure, a positioning pulley block 108 for fixing the chain loop, a pulley block driving assembly and a chain correcting assembly, wherein a cleaning brush 106 is arranged at the part of the chain loop corresponding to the discharging squeeze roller and used for cleaning the surface of the discharging squeeze roller 103, the pulley block driving assembly comprises a driving motor 110 and a driving gear 112 connected with the driving motor, an auxiliary limiting pinion 114 is arranged at the front end of the driving gear 112, and the periphery of the driving gear is meshed with one positioning pulley 111; the chain correcting assembly comprises a steel bar loop 113 and a limit gear 115, the limit gear 115 is arranged right below the driving gear, and the steel bar loop 113 is meshed with the limit gear 115 and an auxiliary limit pinion 114 of the driving gear respectively.
The outlet of the distributing device 11 is a strip outlet and is communicated with the flat cloth belt 102, and the polyurethane mixed liquid enters the flat cloth belt and is extruded by the reversely rotating discharging extrusion roller and the auxiliary extrusion roller to output the strip polyurethane mixed liquid with stable thickness, and the strip polyurethane mixed liquid and the semi-vulcanized rubber layer paved on the hot vulcanization molding platform are fully combined into a mold. In order to enable the polyurethane mixed liquid and the semi-vulcanized rubber layer to form a seamless film, the polyurethane mixed liquid is also filled in the material liquid tank, the lower rollers of the discharging extrusion roller and the auxiliary extrusion roller coat the carried polyurethane mixed liquid on the lower surface of the cloth belt when rotating, so that the polyurethane solution in the cloth belt is seamlessly attached to the semi-vulcanized rubber layer, and the film forming effect is better. Meanwhile, in order to ensure the film forming effect, the cleaning brush 106 arranged on one side of the discharging squeeze roller 103 can timely clean the polyurethane mixed liquid remained on the squeeze roller under the driving of a corresponding driving mechanism to ensure the discharging thickness.
In addition, the width of the strip-shaped outlet can be designed to be adjustable in order to meet the requirements of lining boards with different widths.
Meanwhile, as the homogeneous mixing tank belongs to a high-precision high-dispersion mixing container, in order to achieve the purpose of fully mixing a small amount of liquid in unit time, two feed inlets of the homogeneous mixing tank 8 are respectively provided with a return pipe for returning redundant liquid to mix again, the other end of the return pipe penetrates through a heat exchanger 3 to be inserted into the premixing tank, in order to ensure the safety of liquid supply and the continuity of liquid supply, the return pipe is provided with a low-pressure switching unit 6 between the feed pipes, the first premixing tank and the second premixing tank are connected with a temperature control unit 9, and a liquid level sensor is arranged in the homogeneous mixing tank and is connected with a liquid level control system 7 through the liquid level sensor.
In order to ensure the normal operation of the homogeneous mixing tank, the homogeneous mixing tank is fixed in the whole equipment through a pair of buffer spring assemblies 818 and a fixed base 817, and the specific structure is as shown in fig. 3, the homogeneous mixing tank comprises a "T" shaped shell, the "T" shaped shell is composed of a lower U-shaped shell 802 and an upper cylindrical shell 807, a conical container 801 with an upward opening is arranged in the U-shaped shell, the lower part of the conical container is connected with a motor 803 through a hollow driving shaft 804, the other end of the hollow driving shaft 804 penetrates through the conical container and is fixedly connected with a rotating plate 806, one end of an internal channel in the hollow driving shaft 804 is communicated with the conical container, and the other end is communicated with a feeding pipe 820;
a funnel-shaped distributing pipe 808 is arranged above the rotating plate 806 in the conical container, the funnel-shaped distributing pipe 808 is fixed on the cylindrical shell 807, a liquid distribution gap 812 is reserved between the bottom of the distributing pipe and the rotating plate 806, a liquid distribution cover 805 is arranged on the periphery of the distributing pipe 808 at the upper part of the conical container 801, and a liquid passing gap 813 is reserved between the liquid distribution cover 805 and the upper edge of the conical container 801; an annular liquid collecting bucket 814 is fixedly connected to the upper edge of the U-shaped shell 802, the liquid passing gap 813 extends into the annular liquid collecting bucket 814, and a group of liquid outlet pipes 816 are symmetrically arranged below the annular liquid collecting bucket; the upper part of the funnel-shaped liquid distribution pipe 808 is connected with a section of extended liquid inlet pipe 819, and the other end of the extended liquid inlet pipe is connected with a feeding funnel 809.
The center of the rotating plate 806 is provided with a conical convex shape. The hollow channel in the hollow driving shaft is T-shaped, the outlet of the transverse internal channel is communicated with the conical container, and the inlet of the vertical internal channel is communicated with the feeding pipe. A liquid supplementing channel 815 is arranged above the liquid distribution cover 805, and the other end of the liquid supplementing channel 815 penetrates through the T-shaped shell to be communicated with the feeding pipe 820. The connection position of the feeding hopper 809 and the extended liquid inlet pipe 819 is provided with a propelling screw 810 inside the horizontal pipe of the extended feeding pipe 819, and one end of the screw is connected with a driving motor. The funnel-shaped distributing pipe and the extended liquid inlet pipe are connected to form a vibrator 811 outside the extended liquid inlet pipe.
In fig. 3, the device is schematically shown, and the specific working process of the device is that the polyurethane raw material A component enters a funnel-shaped liquid distribution pipe 808 through a feeding hopper 809, the powder in A is pushed to the joint of the funnel-shaped liquid distribution pipe and the extending liquid inlet pipe through a screw 810 and is further vibrated through a vibrator 811, so that the powder is better mixed; the polyurethane raw material B component enters the hollow driving shaft 804 through the feeding pipe 820 and is thrown out into the conical container 801 under the driving of the motor 803, and then the liquid performs centrifugal motion along with the conical container 801 and forms a liquid film on the inner wall of the container, and the liquid film stably flows upwards along the arrow direction. The a component falls onto the rotating plate 806 through the funnel-shaped liquid distribution pipe 808, and under the action of centrifugal force, the a component is finely distributed through an annular liquid distribution gap 812 formed between the nozzle and the surface of the rotating plate, and is finely divided into liquid and flows upward with the liquid by being thrown toward an upward flowing liquid film by the annular liquid distribution gap 812; the mixture of the liquid A and the liquid B is conveyed to the liquid outlet pipe 816 to be led out through an annular liquid passing gap 813 formed between the edge of the liquid distribution cover 805 and the edge of the container 801.
If the feed of the component A is more, the component B can also enter through the liquid supplementing channel 815 above the liquid distribution cover 805, flow through the centrifugal liquid film from bottom to top and be tightly mixed with the centrifugal liquid film, and then be conveyed to the liquid outlet pipe 816 through the annular liquid passing gap 813 formed between the edge of the liquid distribution cover 805 and the edge of the container 801 and be led out.
The concrete application implementation mode of the prepared wear-resistant lining plate is as follows:
1. calculating the size and the number of the lining plates to be used according to the area of each surface of the steel plate of the silo wall;
2. polishing the surface of a silo wall steel plate which needs to be in contact with the semi-vulcanized layer of the lining plate, and increasing the roughness;
3. cleaning the polished surface by using a cleaning brush, and cleaning by using a cleaning agent to ensure that no residue is left on the surface of the steel plate, and if water exists on the steel plate, drying the steel plate;
4. the cold vulcanization metal adhesive matched with the semi-vulcanized layer of the lining plate is forcibly and uniformly coated on the polished surface of the steel plate, when the steel plate is completely dried, the cold vulcanization metal adhesive is forcibly and uniformly coated on the steel plate again, and the steel plate is dried until the finger back is not stuck;
5. uniformly brushing 1 time of matched cold vulcanization rubber adhesive on the semi-vulcanized lining plate layer, and after the cold vulcanization metal adhesive is dried, forcibly attaching one surface of the semi-vulcanized lining plate layer to the wall of the silo;
6. and (4) compacting the lining plate on the steel plate of the silo wall by using a compaction roller.
Example 2
The wear-resistant lining plate is prepared from a polyurethane raw material mixed solution and a semi-vulcanized rubber layer through a platform hot vulcanization molding process, and is different from the embodiment 1 in that the semi-vulcanized rubber layer is 1mm thick and comprises the following components in percentage by weight: 50% of chloroprene rubber, 25% of black carbon black, 0.5% of stearic acid, 0.5% of activating agent and 8% of vulcanizing agent, and the chloroprene rubber is prepared by mixing, calendering and coiling.
Example 3
The wear-resistant lining plate is prepared from a polyurethane raw material mixed solution and a semi-vulcanized rubber layer through a platform hot vulcanization molding process, and is different from the embodiment 1 in that the semi-vulcanized rubber layer is 3mm in thickness and comprises the following components in percentage by weight: 70% of chloroprene rubber, 35% of black carbon black, 1% of stearic acid, 1% of activating agent and 14% of vulcanizing agent, and the chloroprene rubber is prepared by mixing, calendering and coiling.
The present invention has been described in detail with reference to the above examples, but the description is only for the preferred examples of the present invention and should not be construed as limiting the scope of the present invention. All equivalent changes and modifications made within the scope of the present invention shall fall within the scope of the present invention.

Claims (10)

1. A wear-resistant lining plate is characterized in that: the rubber layer is prepared from a polyurethane raw material mixed solution and a semi-vulcanized rubber layer through a platform hot vulcanization molding process, wherein the thickness of the semi-vulcanized rubber layer is 1-3 mm, and the semi-vulcanized rubber layer is prepared from the following formula in percentage by weight: 50-70% of chloroprene rubber, 25-35% of black carbon, 0.5-1% of stearic acid, 0.5-1% of an activating agent and 8-14% of a vulcanizing agent, and the chloroprene rubber is prepared by mixing, calendering and coiling.
2. The method for manufacturing the wear-resistant lining plate according to claim 1, wherein the method comprises the following steps: comprises the following steps: (1) mixing the components according to the formula, rolling and coiling to prepare a semi-vulcanized rubber layer with the thickness of 1-3 mm for later use;
(2) uniformly mixing the component A and the component B of the polyurethane raw material by adopting mixing equipment to prepare a polyurethane raw material mixed solution for later use;
(3) fixing a lining plate mold on a hot vulcanization molding heating platform, flatly paving a semi-vulcanized rubber layer in a mold cavity of the mold, keeping the temperature of the heating platform at 90-130 ℃, pouring a polyurethane raw material mixed solution on the semi-vulcanized rubber layer under normal pressure, closing the mold, and keeping the heating temperature for 30-60 min;
(4) and (4) after the product is cooled, demolding, and removing redundant polyurethane and rubber leftover materials to obtain the complete wear-resistant lining plate.
3. The utility model provides a preparation equipment of wear-resisting welt which characterized in that: the device comprises a first premixing tank and a second premixing tank which are arranged in parallel, wherein discharge ports of the first premixing tank and the second premixing tank are respectively communicated with two feed ports of a homogeneous mixing tank through feed pipes, and a line gap filter and a metering pump are sequentially arranged on the feed pipes;
the hot vulcanization molding heating platform is arranged above the hot vulcanization molding platform, and a discharge hole of the homogeneous mixing tank is communicated with the material distributing device;
the material distributing device comprises a material distributing funnel with a strip-shaped material outlet at the lower part, a flat material distributing belt communicated with the material distributing funnel, a pair of discharging squeeze rollers with driving motors arranged inside, a pair of auxiliary squeeze rollers with driving motors arranged inside and a material liquid groove;
the auxiliary extrusion roller is positioned at the front part of the discharging extrusion roller, the flat cloth belt sequentially passes through the position between the auxiliary extrusion roller and the upper roller and the lower roller of the discharging extrusion roller to extend to the hot vulcanization forming heating platform, and the auxiliary extrusion roller and the lower roller of the discharging extrusion roller are positioned in the material liquid groove;
the cleaning assembly comprises an L-shaped chain loop, a positioning pulley block for fixing the chain loop, a pulley block driving assembly and a chain correcting assembly, wherein the part of the chain loop corresponding to the discharging squeeze roller is provided with a cleaning brush, the pulley block driving assembly comprises a driving motor and a driving gear connected with the driving motor, the front end of the driving gear is provided with an auxiliary limiting pinion, and the periphery of the driving gear is meshed with one positioning pulley; the chain correction assembly comprises a steel bar loop and a limit gear, the limit gear is arranged under the driving gear, and the steel bar loop is meshed with the limit gear and an auxiliary limit pinion of the driving gear respectively.
4. The manufacturing equipment of the wear-resistant lining plate according to claim 3, wherein: return pipes are respectively arranged at two feeding ports of the homogeneous mixing tank, the other end of each return pipe penetrates through a heat exchanger and is inserted into the premixing tank, and a low-pressure switching unit is arranged between each return pipe and the corresponding feeding pipe; the first premixing tank and the second premixing tank are connected with a temperature control unit, and a liquid level sensor is arranged in the homogeneous mixing tank and is connected with a liquid level control system through the liquid level sensor.
5. The manufacturing equipment of the wear-resistant lining plate according to claim 3, wherein: the homogeneous mixing tank comprises a T-shaped shell, the T-shaped shell consists of a U-shaped shell at the lower part and a cylindrical shell at the upper part, a conical container with an upward opening is arranged in the U-shaped shell, a motor is connected below the conical container through a hollow driving shaft, the other end of the hollow driving shaft penetrates through the conical container and is fixedly connected with a rotating plate, one end of an internal channel in the hollow driving shaft is communicated with the conical container, and the other end of the internal channel is communicated with a feeding pipe;
a funnel-shaped distributing pipe is arranged above the rotating plate in the conical container, the funnel-shaped distributing pipe is fixed on the cylindrical shell, a liquid distribution gap is reserved between the bottom of the distributing pipe and the rotating plate, a liquid distribution cover is arranged on the periphery of the distributing pipe at the upper part of the conical container, and a liquid passing gap is reserved between the liquid distribution cover and the upper edge of the conical container;
an annular liquid collecting hopper is fixedly connected to the upper edge of the U-shaped shell, the liquid passing gap extends into the annular liquid collecting hopper, and a group of liquid outlet pipes are symmetrically arranged below the annular liquid collecting hopper;
the upper portion of infundibulate liquid distribution pipe is connected with one section and extends the feed liquor pipe, extends the feed liquor pipe other end and is connected with a feed hopper.
6. The manufacturing equipment of the wear-resistant lining plate according to claim 5, wherein: the center of the rotating plate is provided with a conical convex shape.
7. The manufacturing equipment of the wear-resistant lining plate according to claim 5, wherein: the hollow channel in the hollow driving shaft is T-shaped, the outlet of the transverse internal channel is communicated with the conical container, and the inlet of the vertical internal channel is communicated with the feeding pipe.
8. The manufacturing equipment of the wear-resistant lining plate according to claim 5, wherein: and a liquid supplementing channel is arranged above the liquid distribution cover, and the other end of the liquid supplementing channel penetrates through the T-shaped shell and is communicated with the feeding pipe.
9. The manufacturing equipment of the wear-resistant lining plate according to claim 5, wherein: the feed hopper with extend feed liquor union coupling and be in extend the inside propulsion screw rod that is equipped with of horizontal pipe of inlet pipe, screw rod one end is connected with driving motor.
10. The manufacturing equipment of the wear-resistant lining plate according to claim 5 or 9, wherein: the funnel-shaped distributing pipe is connected with the extending liquid inlet pipe, and a vibrator is arranged outside the extending liquid inlet pipe.
CN201911301307.4A 2019-12-17 2019-12-17 Wear-resistant lining plate and manufacturing method and equipment thereof Active CN110901094B (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112123613A (en) * 2020-09-10 2020-12-25 衡阳市衡山科学城科技创新服务有限公司 Production equipment for negative template structured ultrathin heat management material

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3881703A (en) * 1971-12-27 1975-05-06 Acme Cleveland Corp Foundry mixing machine
US20040204546A1 (en) * 2002-06-26 2004-10-14 Main Group S.P.A. Method for manufacturing a shoe sole with a composite tread sole, and compound used in the method
CN203739041U (en) * 2013-12-04 2014-07-30 张家港力勤机械有限公司 Mixing stirring barrel device of polyurethane raw material
CN103980576A (en) * 2014-05-22 2014-08-13 江苏开源环保技术工程有限公司 Corrosion-resistant lining chloroprene rubber plate for seawater transportation pipeline
CN104118086A (en) * 2014-07-15 2014-10-29 北京市建筑工程研究院有限责任公司 Production equipment of polyurethane foam board
CN203901863U (en) * 2014-04-14 2014-10-29 大连保税区海华聚氨酯有限公司 Polyurethane-rubber compound plate structure

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3881703A (en) * 1971-12-27 1975-05-06 Acme Cleveland Corp Foundry mixing machine
US20040204546A1 (en) * 2002-06-26 2004-10-14 Main Group S.P.A. Method for manufacturing a shoe sole with a composite tread sole, and compound used in the method
CN203739041U (en) * 2013-12-04 2014-07-30 张家港力勤机械有限公司 Mixing stirring barrel device of polyurethane raw material
CN203901863U (en) * 2014-04-14 2014-10-29 大连保税区海华聚氨酯有限公司 Polyurethane-rubber compound plate structure
CN103980576A (en) * 2014-05-22 2014-08-13 江苏开源环保技术工程有限公司 Corrosion-resistant lining chloroprene rubber plate for seawater transportation pipeline
CN104118086A (en) * 2014-07-15 2014-10-29 北京市建筑工程研究院有限责任公司 Production equipment of polyurethane foam board

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112123613A (en) * 2020-09-10 2020-12-25 衡阳市衡山科学城科技创新服务有限公司 Production equipment for negative template structured ultrathin heat management material

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