CN115401836A - Automatic pouring, heat-insulating and curing equipment for polyurethane sieve plate - Google Patents

Automatic pouring, heat-insulating and curing equipment for polyurethane sieve plate Download PDF

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Publication number
CN115401836A
CN115401836A CN202211038065.6A CN202211038065A CN115401836A CN 115401836 A CN115401836 A CN 115401836A CN 202211038065 A CN202211038065 A CN 202211038065A CN 115401836 A CN115401836 A CN 115401836A
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CN
China
Prior art keywords
heat
pouring
insulating
sieve plate
mould
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Pending
Application number
CN202211038065.6A
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Chinese (zh)
Inventor
丁好奇
韩同清
李金成
王体亚
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Anhui Yixiang Filter Material Co ltd
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Anhui Yixiang Filter Material Co ltd
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Publication date
Application filed by Anhui Yixiang Filter Material Co ltd filed Critical Anhui Yixiang Filter Material Co ltd
Priority to CN202211038065.6A priority Critical patent/CN115401836A/en
Publication of CN115401836A publication Critical patent/CN115401836A/en
Pending legal-status Critical Current

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C39/00—Shaping by casting, i.e. introducing the moulding material into a mould or between confining surfaces without significant moulding pressure; Apparatus therefor
    • B29C39/02—Shaping 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
    • B29C39/04—Shaping 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 using movable moulds not applied
    • B29C39/06—Shaping 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 using movable moulds not applied continuously movable, e.g. along a production line
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C39/00—Shaping by casting, i.e. introducing the moulding material into a mould or between confining surfaces without significant moulding pressure; Apparatus therefor
    • B29C39/22—Component parts, details or accessories; Auxiliary operations
    • B29C39/24—Feeding the material into the mould
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C39/00—Shaping by casting, i.e. introducing the moulding material into a mould or between confining surfaces without significant moulding pressure; Apparatus therefor
    • B29C39/22—Component parts, details or accessories; Auxiliary operations
    • B29C39/36—Removing moulded articles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C39/00—Shaping by casting, i.e. introducing the moulding material into a mould or between confining surfaces without significant moulding pressure; Apparatus therefor
    • B29C39/22—Component parts, details or accessories; Auxiliary operations
    • B29C39/38—Heating or cooling
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2031/00—Other particular articles
    • B29L2031/737—Articles provided with holes, e.g. grids, sieves

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  • Casting Or Compression Moulding Of Plastics Or The Like (AREA)

Abstract

The invention relates to the technical field of polyurethane sieve plate production equipment, and particularly discloses automatic pouring, heat-insulating and curing equipment for a polyurethane sieve plate, which comprises a mould conveying unit, a pouring unit, a heating and heat-insulating unit and a pouring mould, wherein the pouring mould is arranged in the mould conveying unit at equal intervals; the heating and heat-insulating unit comprises a heat-insulating box, wherein the front side and the rear side of the heat-insulating box are provided with vertically arranged closed-loop lifting pieces, the closed-loop lifting pieces are connected with a plurality of grabbing plates at equal intervals, and the left side and the right side of the heat-insulating box are provided with heating modules; the automatic pouring heat-preservation curing equipment disclosed by the invention realizes the streamlined production of the polyurethane sieve plate, greatly reduces the labor intensity of operators and effectively improves the production efficiency of the polyurethane sieve plate.

Description

Automatic pouring, heat-insulating and curing equipment for polyurethane sieve plate
Technical Field
The invention relates to the technical field of polyurethane sieve plate production equipment, and particularly discloses automatic pouring, heat-insulating and curing equipment for a polyurethane sieve plate.
Background
The polyurethane sieve plate is a sieving component widely applied to the field of ore and coal mine sieving, and the polyurethane surface layer has the advantages of high wear resistance, high resilience, low noise, strong binding force with a metal matrix, long service life, low sieving noise and the like.
In polyurethane sieve production process, the operation personnel put the sieve skeleton in the mould, then hand the discharging pipe and evenly pour the liquid raw materials of polyurethane into the mould, heat the heating module through the mould below and keep warm to the raw materials and make its abundant solidification, wait to demould after the solidification of polyurethane raw materials shaping. The traditional production process of the polyurethane sieve plate is high in labor intensity, operators are easily scalded in the operation process, and the polyurethane sieve plate needs to be heated and insulated for a certain time to be solidified after pouring is finished, so that the production efficiency of the whole polyurethane sieve plate is severely restricted.
The utility model with the application number of CN2021223848966 discloses an automatic production line device for pouring a polyurethane sieve plate, which comprises a host device, an installation frame, a mobile device and mould platforms, wherein the host device is arranged above the installation frame, the mobile device is arranged below the installation frame, a plurality of mould platforms are arranged around the host device, the host device comprises a raw material tank, a vacuum pump, a pouring head and a pouring head moving component, the pouring head moving component comprises an installation upright post, a vertical transmission screw rod, an installation cross arm, a horizontal transmission screw rod and a horizontal sliding seat, and the pouring head is arranged on the horizontal sliding seat; this automatic production line equipment of pouring polyurethane sieve is though the automatic assembly line production operation of pouring polyurethane sieve in real time, the risk when having reduced the manual labor capacity of pouring of operating personnel and operation, but can't improve the production efficiency to the polyurethane sieve, it is mainly because accomplish the back at the pouring of polyurethane raw materials, need heat the solidification treatment that keeps warm, and the automatic processing after the unable realization of this mould platform is to the pouring of mould, need the manual work to use the flame shower nozzle to spray the product and heat, accelerate its solidification speed. Therefore, aiming at the defects of the existing automatic production line equipment for pouring the polyurethane sieve plate, the invention provides the automatic pouring, heat-insulating and curing equipment for the polyurethane sieve plate.
Disclosure of Invention
The invention aims to provide automatic pouring, heat-insulating and curing equipment for a polyurethane sieve plate, and aims to solve the problems of high labor intensity, high danger and low production efficiency of the traditional manual preparation of the polyurethane sieve plate and the existing automatic production line equipment for pouring the polyurethane sieve plate.
The invention is realized by the following technical scheme:
an automatic pouring, heat-insulating and curing device for a polyurethane sieve plate comprises a mould conveying unit, a pouring unit, a heating and heat-insulating unit and a pouring mould, wherein the pouring mould is placed in the mould conveying unit at equal intervals, and handles are connected to the front end and the rear end of the upper surface of the pouring mould;
the casting unit comprises a raw material tank, a machine cabinet body and a movable casting assembly, the movable casting assembly is arranged on the front side face of the machine cabinet body right above the mold conveying unit, and the raw material tank is connected with the movable casting assembly through a material conveying pump and a material conveying pipe;
the heating and heat-insulating unit comprises a heat-insulating box fixed at the upper end of the mold conveying unit, vertically arranged closed-loop lifting pieces are arranged on the front side and the rear side of the heat-insulating box, a plurality of grabbing plates are connected to the closed-loop lifting pieces at equal intervals, heating modules are arranged on the left side surface and the right side surface of the heat-insulating box, an inlet used for a casting mold to enter is formed in the lower end of the heat-insulating box, and an outlet used for a casting mold to exit is formed in the upper end of the heat-insulating box.
According to the automatic casting, heat preservation and solidification equipment for the polyurethane sieve plate, which is designed by the invention, the casting molds are conveyed one by one through the mold conveying unit, the polyurethane raw material is automatically poured into the casting molds through the casting unit in the conveying process, then the poured blank is conveyed to the lower end of the heat preservation box along with the mold conveying unit, the grabbing plates extend into the two handles on the casting molds under the action of the closed-loop lifting pieces at the front end and the rear end of the heat preservation box, so that the casting molds slowly ascend layer by layer in the heat preservation box and are subjected to continuous heat preservation treatment of the heating module in the ascending process, the polyurethane raw material is reacted and solidified, and the polyurethane raw material is taken out from the outlet at the upper end of the heat preservation box after being solidified and can be demoulded, so that the production line type production and preparation of the polyurethane sieve plate are realized.
As a further arrangement of the scheme, the device further comprises a die blanking unit, wherein the die blanking unit comprises a blanking rack and a blanking conveyor belt, the end part of the blanking rack extends into the heat preservation box from the discharge port, a telescopic driving part is arranged on the heat preservation box opposite to the discharge port, and the end part of the telescopic driving part is connected with a shovel plate which pushes the casting die to the end part of the die blanking unit.
As a further arrangement of the scheme, the blanking rack and the blanking conveyor belt are arranged in a Z shape, the upper end part of the blanking rack extends into the discharge port, and a plurality of barrier strips are connected to the outer surface of the blanking conveyor belt at equal intervals. The mould unloading unit that above-mentioned set up can rise to insulation can top and grab the board separation at casting die, and casting die is pushed away on the unloading conveyer belt by the shovel board after the separation, then carries downwards along with the unloading conveyer belt, cools off on the one hand in transportation process, and on the other hand makes things convenient for operating personnel's taking off casting die to carry out subsequent drawing of patterns and handles.
In a specific arrangement of the above scheme, the mold conveying unit comprises a conveyor base, two closed-loop conveying members are symmetrically arranged in the conveyor base in a front-back manner, and a plurality of supporting blocks for positioning and supporting the casting mold are arranged on opposite side surfaces of the two closed-loop conveying members at equal intervals. According to the specific design scheme of the mold conveying unit, after the casting mold is positioned by each group of bearing blocks, the casting mold is conveyed in a fixed point manner in the conveyor base along with the closed-loop conveying piece.
As a specific arrangement of the above scheme, the closed loop type lifting member and the closed loop type conveying member are both one of a conveyor belt and a conveyor chain; the closed loop type lifting member and the closed loop type conveying member are selected according to application environments, but are not limited to a conveyor belt and a conveyor chain.
As a specific arrangement of the scheme, the movable pouring component comprises a cross beam strip fixed on the front side surface of the cabinet body and a longitudinal beam strip moving left and right along the cross beam strip, the lower end of the longitudinal beam strip is provided with an installation frame moving back and forth, a pouring head is arranged on the installation frame, and the end part of the conveying pipe is connected with the pouring head; the design of the movable pouring component realizes the movement of the arbitrary position of the pouring head on the XY plane, and can ensure that the polyurethane raw material in the pouring mold is poured uniformly.
As a further arrangement of the scheme, a flow meter and an electromagnetic valve are arranged on the material conveying pipe close to one end of the pouring head; the flowmeter is used for monitoring the discharge amount of the polyurethane raw material in real time, and can ensure uniform discharge of the polyurethane raw material by combining the control of the electromagnetic valve.
As a specific arrangement of the scheme, a first lead screw is arranged in the cross beam strip, the end part of the first lead screw is connected with a first lead screw motor, the end part of the longitudinal beam strip is connected with a first moving block matched with the first lead screw, a second lead screw is arranged in the longitudinal beam strip, the end part of the second lead screw is connected with a second lead screw motor, and the upper end of the mounting frame is connected with a second moving block matched with the second lead screw; the above-mentioned design through lead screw, lead screw motor and removal can be through the positive and negative rotation and the slew velocity of control lead screw motor, rotate the number of turns and come accurate control pouring head in the route and the translation velocity that move on the XY plane, guarantee the effect of polyurethane raw materials pouring.
As a specific arrangement of the above scheme, the heating module is a plurality of resistance heaters arranged at intervals up and down; the upper and lower interval setting of above-mentioned resistance heater can guarantee that casting mold is fully heated evenly at the in-process that promotes from bottom to top, makes its abundant solidification shaping.
Has the advantages that:
1) The invention discloses an automatic pouring, heat-insulating and curing device for a polyurethane sieve plate, which changes the pouring mode of the traditional polyurethane mould fixed arrangement, and the pouring mould is conveyed at fixed points through a mould conveying unit, so that polyurethane raw materials are uniformly poured into the pouring mould through the pouring unit, then enter an insulating box along with the mould conveying unit, are slowly lifted upwards along the insulating box under the action of a lifting piece, are subjected to heating and heat-insulating treatment of a heating module in the lifting process, are fully reacted and cured, and finally are sent out from the upper end of the insulating box; the whole equipment realizes the streamlined production of the polyurethane sieve plate, and the whole production process is automatic except that the feeding and discharging sections need manual treatment, so that the labor intensity of operators is greatly reduced, and the production efficiency of the polyurethane sieve plate is effectively improved.
2) The movable pouring component in the automatic polyurethane sieve plate pouring, heat-insulating and curing equipment can move freely on an XY plane, so that dead-angle-free pouring of a mold is realized; meanwhile, the moving path and the moving speed of the pouring head can be accurately controlled by controlling the positive and negative rotation, the rotating speed and the number of rotating turns of the screw rod motor, so that the pouring effect of the polyurethane raw material is fully ensured, and the product quality of the polyurethane sieve plate is improved.
3) The heating and heat-insulating unit takes a vertically arranged heat-insulating box as a main body, grabs a handle on a casting mold through a grabbing plate on a lifting piece, and then lifts the casting mold layer by layer, so that not only can heat-insulating and curing treatment be carried out on a plurality of casting molds at the same time, but also the casting molds move layer by layer from bottom to top inside, and the casting molds have enough heat-insulating time in the heat-insulating box; the whole heating and heat-insulating unit is directly arranged at the upper end of the mould conveying unit, so that the mould conveying unit is compact in structural design, good in heat-insulating and curing treatment effect and very suitable for production and preparation of polyurethane sieve plates.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a schematic rear perspective view of the present invention;
FIG. 3 is a schematic perspective view of a mold conveying unit and a casting mold according to the present invention;
FIG. 4 is a schematic perspective view of a raw material pouring unit according to the present invention;
FIG. 5 is a schematic perspective view of the movable pouring assembly of the present invention;
FIG. 6 is a schematic perspective view of a heating and heat-insulating unit according to the present invention;
FIG. 7 is a schematic view of the internal side-view plane structure of the heating and temperature-keeping unit of the present invention.
Detailed Description
In order to make the technical solutions better understood by those skilled in the art, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only partial embodiments of the present application, but not all embodiments. All other embodiments obtained by a person of ordinary skill in the art based on the embodiments in the present application without making any creative effort shall fall within the protection scope of the present application.
It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present application will be described in detail with reference to the following examples with reference to the accompanying drawings 1 to 7.
Example 1
Embodiment 1 discloses an automatic pouring, heat-insulating and curing device for a polyurethane sieve plate, and referring to fig. 1 and fig. 2, the main body of the device is composed of a mold conveying unit 100, a raw material pouring unit 200, a heating and heat-insulating unit 300, a mold blanking unit 400 and a pouring mold 500.
Referring to fig. 3, the mold conveying unit 100 includes a transverse and horizontal conveyor base 101, and a conveyor belt 102 is symmetrically disposed at the front and rear ends of the conveyor base 101, although the conveyor belt 102 may be replaced by a conveyor chain. A plurality of sets of supporting blocks 103 are arranged on the opposite side surfaces of the two conveyor belts 102 at equal intervals, and each set of supporting blocks 103 is used for supporting four corners of the casting mold 500, so that the casting mold 500 is conveyed along with the conveyor belts 102 at a fixed distance. Meanwhile, the front end and the rear end of the upper surface of the casting mold 500 are respectively welded with a handle 501, so that the casting mold 500 can be conveniently lifted by an operator through the arranged handles 501, and the subsequent heating and heat-insulating unit 300 can be conveniently lifted up the casting mold 500.
Referring to fig. 1, 2 and 4, the raw material pouring unit 200 includes a raw material tank 201, a cabinet 202 and a movable pouring assembly 203, wherein the raw material tank 201 is fixedly disposed at the rear side of the cabinet 202. A material delivery pump 204 is installed on the cabinet body 202, a material inlet pipe 205 is connected between the material inlet end of the material delivery pump 204 and the raw material tank 201, a material outlet pipe 206 penetrating through the cabinet body 202 and extending to the position right above the mold conveying unit 100 is connected to the material delivery pump 204, and the material outlet pipe 206 can be a hose or a telescopic pipe. Meanwhile, a control panel 2021 is further disposed on one side surface of the cabinet body 202, and an operator can control the operation of the whole apparatus through the control panel 2021.
Referring to fig. 5, the movable casting assembly 203 includes a beam bar 2031 fixedly connected to a front side of the cabinet 202, a transverse moving groove is formed in the beam bar 2031, a first lead screw 2032 is disposed in the transverse moving groove, and a first lead screw motor 2033 for driving the first lead screw 2032 is disposed at one end of the beam bar 2031. A first moving block 2034 matched with the first lead screw 2032 is arranged in the transverse moving groove, a longitudinal beam 2035 is connected to the outer end of the first moving block 2034, a longitudinal moving groove is opened in the longitudinal beam 2035, a second lead screw 2036 is arranged in the longitudinal moving groove, a second lead screw motor 2037 for driving the second lead screw 2036 is arranged at the front end of the longitudinal beam 2035, and a second moving block matched with the second lead screw 2036 is arranged in the longitudinal moving groove. The lower extreme of second movable block is connected with mounting bracket 2038, is provided with the pouring head 2039 on mounting bracket 2038 to be connected the tip of discharging pipe 206 with pouring head 2039. The movable casting assembly 203 in this embodiment controls the forward and reverse rotation and the number of turns of the first lead screw motor 2033 and the second lead screw motor 2037 through a control program written in advance, so that the casting head 2039 can be installed on a designed route to move on an XY plane during the casting process, and the polyurethane liquid raw material is uniformly cast on the casting mold 500 through the casting head 2039 during the moving process. In addition, in order to control the amount of the casting raw material, a corresponding flow meter and a corresponding solenoid valve 207 are further disposed at one end of the discharge pipe 206 close to the casting head 2039, the casting amount is monitored in real time by the flow meter, and then the casting process is controlled to be turned off or on by the solenoid valve 207.
Referring to fig. 1, 6 and 7, the heating and heat-insulating unit 300 includes an insulating box 301 fixed at an end of the conveyor base 101, vertical rectangular openings are formed at front and rear sides of the insulating box 301, a transmission case 302 is disposed at an outer end of the vertical rectangular opening, a vertically disposed lifting belt 303 is disposed in the transmission case 302, the lifting belt 303 can be replaced by a lifting chain, and a lifting motor 304 for conveying the lifting belt 303 at a fixed distance is disposed on the transmission case 302. The outer surface of the lifting belt 303 is connected with a plurality of gripping plates 305 at equal intervals, meanwhile, an inlet 3011 is formed in the lower end of one side, facing the raw material pouring unit 200, of the insulation box 301, when the pouring mold 500 is conveyed to the lowest side of the insulation box 301 through the inlet 3011, the lifting motor 304 drives the lifting belt 303 to transmit, then the gripping plates 305 at the lower end of the lifting belt 303 pass through a vertical rectangular opening in the insulation box 301 and are rotated out from the bottom end to extend into handles 501 at the front end and the rear end of the pouring mold 500, and the pouring mold 500 can be stably lifted upwards under the action of the lifting belt 303.
Heating modules 306 are fixedly mounted on the left side surface and the right side surface of the heat insulation box 301, the heating modules 306 are arranged by a plurality of resistance heaters at intervals up and down, when the casting mold 500 is slowly lifted or stands in the heat insulation box 301 along with the lifting belt 303, the casting mold 500 is heated up and heated under the action of the plurality of upper and lower resistance heaters, and the temperature in the heat insulation box 301 is generally controlled to be high from about 110 ℃ to about 120 ℃.
Finally, referring to fig. 1 and 2, the mold blanking unit 400 includes a zigzag blanking frame 401, a zigzag blanking conveyor 402 is disposed in the blanking frame 401, and a plurality of barrier strips 403 are disposed on an outer surface of the blanking conveyor 402 at intervals. The upper end of the blanking rack 401 extends into an upper end opening of the insulation can 301, meanwhile, a telescopic driving piece 404 is arranged on the opposite side of the upper end opening of the insulation can 301, the telescopic driving piece 404 can be an air cylinder or a hydraulic cylinder, and a shovel plate 405 is connected to the end portion, extending into the inner cavity of the insulation can 301, of the telescopic driving piece 404. When the casting mold 500 enters the upper end of the heat preservation box 301 along with the lifting belt 303, the grabbing plate 305 slips from the handle 501 under the action of the lifting belt 303, at the moment, the telescopic driving piece 404 is controlled to extend, the shoveling plate 405 is pushed to the casting mold 500, on one hand, the casting mold 500 is supported, on the other hand, the casting mold 500 is pushed to the upper end of the blanking rack 401, and therefore the casting mold 500 after being heated, heat preserved and solidified can be sent out along with the blanking conveying belt 402.
The application method and the working principle of the automatic polyurethane sieve plate pouring, heat preservation and curing device in the embodiment 1 are as follows:
before the equipment is operated, a signal of a polyurethane sieve plate to be poured is input into the control panel 2021, a processor inside the cabinet body 202 controls a moving path of the whole movable pouring component 203 according to a set program, and meanwhile, the heating module 306 in the heating and heat-insulating unit 300 is opened to preheat the heat-insulating box 301.
Next, the operator puts the casting mold 500 on which the screen plate skeleton is laid into each set of the support blocks 103 in the mold conveying unit 100 one by one, and then the casting mold 500 moves to just below the movable casting assembly 203 along with the conveyor belt 102.
After the casting mold 500 is moved to the position under the movable casting component 203, the material delivery pump 204, the first lead screw motor 2033 and the second lead screw motor 2037 are started, the polyurethane raw material in the raw material tank 201 is uniformly cast in the casting mold 500 until the material delivery pump 204 stops running after the casting is completed, and the first lead screw motor 2033 and the second lead screw motor 2037 reset.
The casting mold 500 after the raw material casting is completed continues to move to the lower end of the inner cavity of the heat preservation box 301 along with the conveying belt 102, meanwhile, the lifting motor 304 is started to enable the front lifting belt 303 and the rear lifting belt 303 to rotate, then the grabbing plate 305 is enabled to rotate out from the bottom end in the operation process of the lifting belts 303 and extends into the handles 501 at the front end and the rear end of the casting mold 500, the casting mold 500 moves upwards along the heat preservation box 301 layer by layer under the action of the lifting belts 303, and heating and heat preservation are carried out in the heat preservation box 301.
Finally, when the casting mold 500 is lifted to the top end of the heat insulation box 301, the telescopic driving piece 404 is started to push the shovel plate 405 to the bottom surface of the casting mold 500, so that the casting mold is supported, when the lifting belt 303 continues to operate, the grabbing plate 305 on the lifting belt 303 slips from the handle 501 on the casting mold 500, the casting mold 500 is pushed to the upper end of the blanking conveyor belt 402 under the pushing action of the shovel plate 405, then the pouring mold 500 is conveyed to the lower end of the blanking rack 401 along with the blanking conveyor belt 402, and at the moment, an operator takes down the casting mold 500 to demold, so that a polyurethane sieve plate can be obtained.
Compared with the existing polyurethane pouring equipment, the automatic polyurethane sieve plate pouring and heat-insulating curing equipment realizes the streamlined operation of the polyurethane sieve plate, can realize pouring and heat-insulating curing of the polyurethane sieve plate in sequence, and greatly improves the production efficiency of the polyurethane sieve plate.
The present invention is not limited to the above preferred embodiments, and any modifications, equivalents and improvements made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (9)

1. The automatic pouring, heat-insulating and curing equipment for the polyurethane sieve plate is characterized by comprising a mould conveying unit, a pouring unit, a heating and heat-insulating unit and a pouring mould, wherein the pouring mould is placed in the mould conveying unit at equal intervals, and the front end and the rear end of the upper surface of the pouring mould are both connected with handles;
the casting unit comprises a raw material tank, a cabinet body and a movable casting assembly, the movable casting assembly is arranged on the front side face of the cabinet body right above the mould conveying unit, and the raw material tank is connected with the movable casting assembly through a conveying pump and a conveying pipe;
the heating and heat-insulating unit comprises a heat-insulating box fixed at the upper end of the mould conveying unit, the front side and the rear side of the heat-insulating box are provided with vertically arranged closed-loop lifting pieces, the closed-loop lifting pieces are connected with a plurality of grabbing plates at equal intervals, the left side surface and the right side surface of the heat-insulating box are provided with heating modules, the lower end of the heat-insulating box is provided with an inlet for the pouring mould to enter, and the upper end of the heat-insulating box is provided with an outlet for the pouring mould to exit.
2. The automatic pouring, heat-insulating and curing device for the polyurethane sieve plate as claimed in claim 1, further comprising a mold blanking unit, wherein the mold blanking unit comprises a blanking frame and a blanking conveyor belt, an end portion of the blanking frame extends into the heat-insulating box from the discharge port, a telescopic driving member is disposed on the heat-insulating box opposite to the discharge port, and an end portion of the telescopic driving member is connected with a shovel plate for pushing the pouring mold to the end portion of the mold blanking unit.
3. The automatic pouring, heat-insulating and curing device for the polyurethane sieve plate as claimed in claim 2, wherein the blanking frame and the blanking conveyor belt are arranged in a zigzag manner, the upper end of the blanking frame extends into the discharge port, and a plurality of barrier strips are connected to the outer surface of the blanking conveyor belt at equal intervals.
4. The automatic pouring, heat-insulating and curing equipment for the polyurethane sieve plate as claimed in claim 1, wherein the mold conveying unit comprises a conveyor base, two closed-loop conveying members are symmetrically arranged in the conveyor base in a front-back manner, and a plurality of supporting blocks for positioning and supporting the pouring mold are arranged on opposite side surfaces of the two closed-loop conveying members at equal intervals.
5. The automatic pouring, heat preserving and curing equipment for the polyurethane sieve plate as claimed in claim 4, wherein the closed loop type lifting member and the closed loop type conveying member are both one of a conveyor belt and a conveyor chain.
6. The automatic pouring, heat-insulating and curing device for the polyurethane sieve plate as claimed in claim 1, wherein the movable pouring assembly comprises a cross beam strip fixed on the front side surface of the cabinet body and a longitudinal beam strip moving left and right along the cross beam strip, a mounting frame is arranged on the lower end of the longitudinal beam strip moving back and forth, a pouring head is arranged on the mounting frame, and the end part of the conveying pipe is connected with the pouring head.
7. The automatic pouring, heat-insulating and curing device for the polyurethane sieve plate as claimed in claim 6, wherein a flow meter and an electromagnetic valve are disposed on the feeding pipe near one end of the pouring head.
8. The automatic pouring, heat-insulating and curing device for the polyurethane sieve plate as claimed in claim 6 or 7, wherein a first lead screw is arranged in the cross beam bar, a first lead screw motor is connected to an end of the first lead screw, a first moving block matched with the first lead screw is connected to an end of the longitudinal beam bar, a second lead screw is arranged in the longitudinal beam bar, a second lead screw motor is connected to an end of the second lead screw, and a second moving block matched with the second lead screw is connected to an upper end of the mounting frame.
9. The automatic pouring, heat-insulating and curing equipment for the polyurethane sieve plate as claimed in claim 1, wherein the heating module is a plurality of electric resistance heaters which are arranged at intervals up and down.
CN202211038065.6A 2022-08-29 2022-08-29 Automatic pouring, heat-insulating and curing equipment for polyurethane sieve plate Pending CN115401836A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202211038065.6A CN115401836A (en) 2022-08-29 2022-08-29 Automatic pouring, heat-insulating and curing equipment for polyurethane sieve plate

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CN202211038065.6A CN115401836A (en) 2022-08-29 2022-08-29 Automatic pouring, heat-insulating and curing equipment for polyurethane sieve plate

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