CN111906988B - Pre-foaming uniform EPS intermittent pre-foaming machine - Google Patents
Pre-foaming uniform EPS intermittent pre-foaming machine Download PDFInfo
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- CN111906988B CN111906988B CN202010686321.7A CN202010686321A CN111906988B CN 111906988 B CN111906988 B CN 111906988B CN 202010686321 A CN202010686321 A CN 202010686321A CN 111906988 B CN111906988 B CN 111906988B
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- eps
- foaming
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- air inlet
- steam
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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
- B29C44/00—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles
- B29C44/34—Auxiliary operations
- B29C44/3442—Mixing, kneading or conveying the foamable material
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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
- B29C44/00—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles
- B29C44/34—Auxiliary operations
- B29C44/60—Measuring, controlling or regulating
Abstract
The invention discloses an EPS intermittent pre-expander with uniform pre-expansion, which comprises a discharge box and an air outlet pipe, wherein a lifting device is arranged in the discharge box, a stirring device is arranged on the upper side of the lifting device, a discharge mechanism is arranged on the outer side of the discharge box, a pre-expansion cylinder is arranged on the front side of the top of the discharge box, circulating air supply equipment is arranged on the left side and the right side of the pre-expansion cylinder, a feeding mechanism is arranged on the top of the pre-expansion cylinder, steam equipment is arranged behind the discharge box, and the steam equipment is fixed on the rear side of the top of the discharge box. This prefoamed even EPS intermittent type formula prefoamer is provided with wave board, steam pipe and turbofan, and the rotatory wave board of spiral air current cooperation that turbofan blows makes the EPS aggregate in the prefoaming section of thick bamboo be the fluidization and rotate, and spiral air current screens EPS aggregate according to density, makes EPS aggregate layering from top to bottom, and the higher not completion expanded EPS aggregate of density contacts high temperature steam earlier at the downside, is convenient for even to the EPS aggregate processing of puffing.
Description
Technical Field
The invention relates to the technical field of intermittent pre-expansion machines, in particular to an EPS intermittent pre-expansion machine with uniform pre-expansion.
Background
The pre-expander is used for pre-expanding EPS granules to increase EPS expansion, when the existing pre-expander is processed, the EPS granules are accumulated in the pre-expander, high-temperature steam starts to contact the EPS granules from the bottom of the pre-expander, so that the sequence of the EPS granules contacting the high-temperature steam is different, the expansion degree of the EPS granules in the pre-expander is different, the pre-expanding effect is greatly influenced, the accumulation mode enables the EPS granules on the upper side to extrude the EPS granules on the lower side, the EPS granules on the lower side are easy to harden, the quality of finished products is reduced, the existing pre-expander is difficult to quantitatively feed the EPS granules, the pre-expander is easy to be fully filled when the EPS granules are too much, the production efficiency of the pre-expander is reduced when the EPS granules are too little, the existing pre-expander takes out pre-expanded materials usually in a negative pressure suction mode, but the discharge mode is slow in discharge speed and is difficult to completely discharge all materials in the pre-expander, in view of the above, there is a need for improvements to existing devices.
Disclosure of Invention
The invention aims to provide an EPS intermittent pre-expander with uniform pre-expansion, which aims to solve the problems that when the existing pre-expander provided in the background art is processed, EPS granules are accumulated in a pre-expansion cylinder, high-temperature steam starts to contact the EPS granules from the bottom of the pre-expansion cylinder, the sequence of contacting the EPS granules with the high-temperature steam is different, so that the expansion degree of the EPS granules in the pre-expansion cylinder is different, the pre-expansion effect is greatly influenced, the EPS granules on the upper side extrude the EPS granules on the lower side, the EPS granules on the lower side are easy to harden, the quality of finished products is reduced, the existing pre-expander is difficult to quantitatively feed the EPS granules, the pre-expansion cylinder is easy to be filled with the EPS granules when the EPS granules are excessive, the production efficiency of the pre-expander is reduced when the EPS granules are too little, the pre-expanded materials are usually taken out by a negative pressure suction mode, but the discharge speed is slow, and the whole material in the pre-foaming barrel is difficult to be completely discharged.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a send out even EPS intermittent type formula prefoaming machine in advance, is including arranging workbin and outlet duct, arrange the inside elevating gear that is provided with of workbin, and the elevating gear upside is provided with agitating unit, it is provided with row material mechanism to arrange the workbin outside, it is provided with a prefoaming section of thick bamboo to arrange workbin top front side, and the prefoaming section of thick bamboo left and right sides is provided with circulation air supply equipment in advance, the prefoaming section of thick bamboo top is provided with feed mechanism, it is provided with steam equipment to arrange the workbin rear, and steam equipment fixes at row workbin top rear side, elevating gear includes:
the bottom of the sliding cylinder is fixed on the inner wall of the discharging box, a sliding table is connected in the sliding cylinder in a sliding mode, a hydraulic driving device is arranged at the bottom of the sliding table, and the hydraulic driving device is arranged in the sliding cylinder;
the stirring device includes:
the sealing platform is fixed to the top of the sliding platform, a sealing gasket is arranged on the outer side of the sealing platform, a conical groove is formed in the bottom of the pre-foaming barrel, the inner wall of the conical groove is attached to the sealing gasket, a wave plate is arranged on the top of the sealing platform and arranged on the lower side of the pre-foaming barrel, a driving motor is arranged inside the sealing platform, and the driving motor penetrates through the sealing platform and is connected with the wave plate;
the discharge mechanism comprises:
the air holes are uniformly formed in the left side of the discharge box, the bidirectional fan is arranged on the left side of the discharge box, the right side of the discharge box is provided with a discharge port, and the right side of the discharge box is rotatably connected with a box door;
the circulation air supply device includes:
the device comprises two air inlet pipes, a vortex fan, a blocking net and a pre-foaming cylinder, wherein one end of each air inlet pipe is connected with the lower side of the pre-foaming cylinder, the other end of each air inlet pipe is communicated with the vortex fan, one end of each air outlet pipe is connected with the top of the pre-foaming cylinder, the other end of each air outlet pipe is communicated with the top of the vortex fan, and the blocking net is arranged at the position where the air outlet pipes are communicated with the pre-foaming cylinder and the position where the air inlet pipes are communicated with the pre-foaming cylinder;
the feed mechanism includes:
the device comprises a storage bin, a feeding device and a control device, wherein the storage bin is a box body with a wide upper part and a narrow lower part, a feeding valve is arranged at the bottom of the storage bin, brackets are arranged on the front side and the rear side of the storage bin, a weighing sensor is arranged at the lower end of each bracket, the brackets are communicated with the top of a pre-foaming barrel through the weighing sensors, a feeding hole is formed in the top of the pre-foaming barrel, and the feeding hole is communicated with the bottom of the storage bin through a flexible compensator;
the steaming device includes:
the front end of the steam pipe is communicated with the air inlet pipe, a steam valve is arranged at the communication position of the steam pipe and the air inlet pipe, the rear end of the steam pipe is communicated with a steam boiler, and the steam boiler is arranged behind the pre-foaming barrel.
Preferably, the height of the sliding table is greater than that of the sliding cylinder, and the height of the sliding table is smaller than that of the discharge box.
Preferably, the central line of the sealing platform and the central line of the tapered groove are located on the same vertical line, and the sealing platform is in sealing connection with the tapered groove through the sealing gasket.
Preferably, the outer end of the wave plate is attached to the inner wall of the pre-foaming barrel, the wave plate is connected with the pre-foaming barrel in a rotating mode, and the wave plate is connected with the pre-foaming barrel in a sliding mode.
Preferably, the central line of the bidirectional fan, the central line of the discharge box and the central line of the discharge opening are positioned on the same horizontal straight line.
Preferably, the discharge opening is wide at the left and narrow at the right, and the width of the left end of the discharge opening is the same as that of the discharge opening.
Preferably, the number of the air inlet pipes, the number of the vortex fans and the number of the air outlet pipes are two, and the two air inlet pipes, the two vortex fans and the two air outlet pipes are arranged in a rotational symmetry mode by taking the central line of the pre-foaming barrel as the center.
Preferably, the air inlet pipe is communicated with the pre-foaming barrel along the tangential direction of the pre-foaming barrel, and the lowest end of the communicated part between the air inlet pipe and the pre-foaming barrel and the uppermost end of the wave plate are positioned on the same horizontal plane.
Preferably, the center line of the bin and the center line of the feed inlet are positioned on the same vertical line.
Compared with the prior art, the invention has the beneficial effects that: the EPS intermittent pre-expander with uniform pre-expansion,
(1) the device is provided with a wave plate and an air inlet pipe, wherein the wave plate is driven by a driving motor to rotate, the wave plate pushes EPS granules at the bottom of the pre-foaming cylinder to move up and down, meanwhile, an eddy fan extracts air at the top of the pre-foaming cylinder through an air outlet pipe and sprays the extracted air to the lower side of the pre-foaming cylinder through the air inlet pipe, and the air inlet pipe is communicated with the pre-foaming cylinder along the tangential direction of the pre-foaming cylinder to play a role in pushing the air in the pre-foaming cylinder to spirally rise;
(2) the bidirectional fan, the sliding barrel and the sliding table are arranged, the hydraulic driving device drives the sliding table to move downwards along the sliding barrel, so that a sealing gasket on the sealing table is separated from sealing connection with the conical groove, the bidirectional fan extracts air through the air holes, the materials in the pre-foaming barrel are conveniently sucked into the discharging box through a gap between the sealing table and the conical groove, then the sliding table is reset, the box door is opened, the bidirectional fan rotates reversely, the materials in the discharging box are pushed to be discharged through the discharging port, and the materials in the pre-foaming barrel are conveniently and completely emptied;
(3) the device is provided with a wave plate, a steam pipe and a turbofan, wherein the spiral airflow blown by the turbofan is matched with the rotating wave plate to enable EPS granules in the pre-foaming cylinder to rotate in a fluidized manner, a steam valve is opened, high-temperature steam in a steam boiler enters the lower side of the pre-foaming cylinder along with an air inlet pipe, so that the high-temperature steam is preferentially contacted with the EPS granules on the lower side, the density of the expanded EPS granules is reduced, the EPS granules are screened by the spiral airflow according to the density, the EPS granules are layered up and down, and the EPS granules which are higher in density and are not expanded are contacted with the high-temperature steam at the lower side, so that the EPS granules can be uniformly expanded;
(4) be provided with support, flexible compensator and weighing sensor, the support of feed bin downside passes through weighing sensor and communicates mutually with the pre-expansion section of thick bamboo top, and the flexible compensator between feed bin and the feed inlet constitutes flexible intercommunication, avoids the influence of rigid connection weighing sensor, and the weight change of EPS aggregate in the weighing sensor monitoring feed bin simultaneously is convenient for control the volume of putting in of EPS aggregate, and it has the practicality to use more.
Drawings
FIG. 1 is a schematic cross-sectional front view of the present invention;
FIG. 2 is a schematic diagram of a left side view cross-sectional structure of the present invention;
FIG. 3 is a schematic top sectional view of the pre-expander of the present invention;
FIG. 4 is a schematic top cross-sectional view of the present invention;
FIG. 5 is a schematic top view of the present invention;
FIG. 6 is a schematic top sectional view of a draw-off box according to the present invention;
FIG. 7 is an enlarged view of the structure at A in FIG. 1 according to the present invention.
In the figure: 1. the device comprises a discharging box, 2, a lifting device, 20, a sliding barrel, 21, a sliding table, 22, a hydraulic driving device, 3, a stirring device, 30, a sealing table, 31, a sealing gasket, 32, a conical groove, 33, a corrugated plate, 34, a driving motor, 4, a discharging mechanism, 40, air holes, 41, a bidirectional fan, 42, a discharging opening, 43, a box door, 5, a pre-foaming barrel, 6, a circulating air supply device, 60, an air inlet pipe, 61, a vortex fan, 62, an air outlet pipe, 63, a blocking net, 7, a feeding mechanism, 70, a bin, 71, a feeding valve, 72, a support, 73, a weighing sensor, 74, a feeding opening, 75, a flexible compensator, 8, a steam device, 80, a steam pipe, 81, a steam valve, 82 and a steam boiler.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-7, the present invention provides a technical solution: the utility model provides a send out even EPS intermittent type formula prefoaming machine in advance, as shown in fig. 1 and fig. 2, it is provided with elevating gear 2 to arrange 1 inside of material case, and 2 upsides of elevating gear are provided with agitating unit 3, it is provided with row material mechanism 4 to arrange 1 outside of material case, it is provided with a prefoaming section of thick bamboo 5 to arrange 1 top front side of material case, and the 5 left and right sides of prefoaming section of thick bamboo are provided with circulation air supply equipment 6, 5 tops of prefoaming section of thick bamboo are provided with feed mechanism 7, it is provided with steam equipment 8 to arrange 1 rear of material case, and steam equipment 8 fixes and arrange 1 top rear side of material case, elevating gear 2 includes: the sliding barrel 20 is fixed on the inner wall of the discharging box 1 at the bottom of the sliding barrel 20, the sliding barrel 20 is connected with the sliding table 21 in a sliding mode, the bottom of the sliding table 21 is provided with the hydraulic driving device 22, meanwhile, the hydraulic driving device 22 is arranged inside the sliding barrel 20, the height of the sliding table 21 is larger than that of the sliding barrel 20, the height of the sliding table 21 is smaller than that of the discharging box 1, when the sliding table 21 moves to the lowest end, the uppermost end of the sliding table 21 is still located on the uppermost upper side of the sliding barrel 20, and materials are prevented from entering a gap between the sliding barrel 20 and the sliding table 21.
As shown in fig. 1, 3 and 6, the stirring device 3 includes: the sealing table 30 is in a circular truncated cone shape, the center line of the sealing table 30 and the center line of the tapered groove 32 are located on the same vertical line, the sealing table 30 is in sealing connection with the tapered groove 32 through a sealing gasket 31, so that high pressure is kept in the pre-foaming cylinder 5, the EPS granules are conveniently expanded, the sealing table 30 is fixed at the top of the sliding table 21, the sealing gasket 31 is arranged on the outer side of the sealing table 30, the tapered groove 32 is arranged at the bottom of the pre-foaming cylinder 5, the inner wall of the tapered groove 32 is attached to the sealing gasket 31, the top of the sealing table 30 is provided with the wave plate 33, the wave plate 33 is arranged on the lower side of the pre-foaming cylinder 5, the outer end of the wave plate 33 is attached to the inner wall of the pre-foaming cylinder 5, the wave plate 33 is in a rotating connection with the pre-foaming cylinder 5, the wave plate 33 is in a sliding connection with the pre-foaming cylinder 5, the driving motor 34 drives the wave plate 33 to rotate, so that the wave plate 33 rotates more smoothly, a driving motor 34 is arranged inside the sealing platform 30, and the driving motor 34 penetrates through the sealing platform 30 and is connected with the wave plate 33; the discharge mechanism 4 includes: the bleeder vent 40, it is even to be seted up in the left side of discharge box 1, discharge box 1 left side is provided with two-way fan 41, the central line of discharge box 1 and the central line of bin outlet 42 are located same horizontal straight line, be convenient for two-way fan 41 to blow the material in discharge box 1 and discharge through bin outlet 42, bin outlet 42 has been seted up on discharge box 1 right side, and the right-hand rotation of discharge box 1 is connected with chamber door 43, bin outlet 42 is left wide right narrow form, and bin outlet 42 left end width is the same with bin outlet 42 width, reduce the cross sectional dimension of bin outlet 42, accelerate the flow velocity that two-way fan 41 blown the air current, be convenient for the air current wraps up and carries the material and discharge through bin outlet 42.
As shown in fig. 1, 2, 3, and 4, the circulating air-blowing device 6 includes: two air inlet pipes 60 are arranged, the two air inlet pipes 60, the two vortex fans 61 and the two air outlet pipes 62 are arranged in a rotational symmetry manner by taking the central line of the pre-foaming barrel 5 as the center, two groups of circulating air supply devices 6 are matched to form air flow with a double-spiral structure, so that EPS granules in the pre-foaming barrel 5 can be pushed to ascend in a double-spiral manner, the air inlet pipes 60 are communicated with the pre-foaming barrel 5 along the tangential direction of the pre-foaming barrel 5, the lowest end of the communication part between the air inlet pipes 60 and the pre-foaming barrel 5 and the uppermost end of the wave plate 33 are positioned on the same horizontal plane, the vortex fans 61 extract air at the top of the pre-foaming barrel 5 and convey the air to the bottom of the pre-foaming barrel 5, so that the entering air ascends in a spiral manner in the pre-foaming barrel 5, one end of the air inlet pipe 60 is connected with the lower side of the pre-foaming barrel 5, and the other end of the air inlet pipe 60 is communicated with the vortex fan 61, one end of the air outlet pipe 62 is connected with the top of the pre-foaming barrel 5, the other end of the air outlet pipe 62 is communicated with the top of the vortex fan 61, and blocking nets 63 are arranged at the communication positions of the air outlet pipe 62 and the pre-foaming barrel 5 and the communication positions of the air inlet pipe 60 and the pre-foaming barrel 5.
As shown in fig. 2, 5 and 7, the feeding mechanism 7 includes: the storage bin 70 is a box body with a wide upper part and a narrow lower part, the central line of the storage bin 70 and the central line of the feeding hole 74 are positioned on the same vertical line, EPS granules in the storage bin 70 conveniently enter the pre-foaming barrel 5 through the feeding hole 74, the bottom of the storage bin 70 is provided with a feeding valve 71, brackets 72 are arranged on the front side and the rear side of the storage bin 70, the lower end of each bracket 72 is provided with a weighing sensor 73, the brackets 72 are communicated with the top of the pre-foaming barrel 5 through the weighing sensors 73, the top of the pre-foaming barrel 5 is provided with the feeding hole 74, and the feeding hole 74 is communicated with the bottom of the storage bin 70 through a flexible compensator 75; the steaming device 8 includes: and two steam pipes 80 are arranged, the front end of each steam pipe 80 is communicated with the corresponding air inlet pipe 60, a steam valve 81 is arranged at the communication position of the steam pipe 80 and the corresponding air inlet pipe 60, the rear end of each steam pipe 80 is communicated with a steam boiler 82, and the steam boiler 82 is arranged behind the pre-expansion cylinder 5.
The working principle is as follows: when the EPS intermittent pre-expander with uniform pre-expansion is used, the model of the weighing sensor 73 is PW10AC3MR, an external power supply is switched on, the feeding valve 71 is opened, EPS granules in the bin 70 enter the pre-expansion cylinder 5 through the flexible compensator 75 and the feeding hole 74 under the action of gravity, the weighing sensor 73 at the bottom of the support 72 at the lower side of the bin 70 monitors the weight change of the bin 70 so as to control the input amount of the EPS granules, the driving motor 34 is started, the driving motor 34 drives the corrugated plate 33 to rotate, the corrugated plate 33 pushes the EPS granules in the pre-expansion cylinder 5 to move up and down, the vortex fan 61 is started at the same time, the vortex fan 61 extracts air at the top of the pre-expansion cylinder 5 through the air outlet pipe 62, then the extracted air is conveyed to the lower side of the pre-expansion cylinder 5 through the air inlet pipe 60 arranged along the tangential direction of the pre-expansion cylinder 5, so that the entered air rises spirally along the interior of the pre-expansion cylinder 5, meanwhile, two groups of circulating air supply equipment 6 enable the interior of the pre-expansion cylinder 5 to be provided with double-spiral ascending air flow, the double-spiral air flow is matched with the wavy plates 33, EPS granules in the pre-expansion cylinder 5 are in a fluidized motion state, a steam boiler 82 is started, a steam valve 81 is opened, high-pressure steam in the steam boiler 82 enters the air inlet pipe 60 through the steam pipe 80, then enters the lower side of the pre-expansion cylinder 5 along with air in the air inlet pipe 60, high-temperature steam is convenient for expanding the EPS granules, meanwhile, the EPS granules moving in the fluidized state are prevented from being extruded from the upper side to the lower side, the problem that the EPS granules on the lower side are hardened is solved, the EPS granules which are expanded by contacting with the high-temperature steam firstly have small density and are easily influenced by the spiral ascending air flow, the EPS granules are layered up and down according to the expansion state, the EPS granules which are not expanded on the lower side contact with the high-temperature steam firstly, and the pre-expansion of the EPS granules in the pre-expansion cylinder 5 can be completed uniformly, after the processing is finished, the hydraulic driving device 22 is started, the hydraulic driving device 22 pulls the sliding table 21 to slide downwards along the sliding cylinder 20, so that the sealing gasket 31 on the sealing table 30 is separated from the sealing connection with the tapered groove 32, under the action of high pressure in the pre-foaming barrel 5, the material enters the discharging box 1 through the gap between the sealing platform 30 and the conical groove 32, simultaneously, the bidirectional fan 41 is started, the bidirectional fan 41 extracts air through the air holes 40, the materials in the pre-foaming barrel 5 are further extracted to enter the discharging box 1, the materials in the pre-foaming barrel 5 can be conveniently and quickly and efficiently taken out, then the sliding table 21 is reset, the next pre-foaming processing is convenient, the box door 43 is opened, the bidirectional fan 41 is reversely rotated, the external air extracted by the bidirectional fan 41 enters the discharging box 1 through the air holes 40, the materials in the discharging box 1 are blown to be discharged through the discharging port 42, this completes the work and is not described in detail in this specification as it is well known in the art.
The terms "central," "longitudinal," "lateral," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientation or positional relationship indicated in the drawings for simplicity of description only and are not intended to indicate or imply that the referenced devices or elements must be in a particular orientation, constructed and operative in a particular orientation, and are not to be considered limiting of the claimed invention.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes in the embodiments and/or modifications of the invention can be made, and equivalents and modifications of some features of the invention can be made without departing from the spirit and scope of the invention.
Claims (9)
1. The utility model provides a prefoaming even EPS intermittent type formula prefoaming machine, is including arranging workbin (1) and outlet duct (62), its characterized in that: arrange inside elevating gear (2) that is provided with of material case (1), and elevating gear (2) upside is provided with agitating unit (3), it is provided with discharge mechanism (4) to arrange material case (1) outside, it is provided with pre-expansion section of thick bamboo (5) to arrange material case (1) top front side, and is provided with circulation air supply equipment (6) in the pre-expansion section of thick bamboo (5) left and right sides, pre-expansion section of thick bamboo (5) top is provided with feed mechanism (7), it is provided with steam equipment (8) to arrange material case (1) rear side, and steam equipment (8) are fixed and are arranged material case (1) top rear side, elevating gear (2) include:
the bottom of the sliding barrel (20) is fixed on the inner wall of the discharging box (1), a sliding table (21) is connected inside the sliding barrel (20) in a sliding mode, a hydraulic driving device (22) is arranged at the bottom of the sliding table (21), and meanwhile the hydraulic driving device (22) is arranged inside the sliding barrel (20);
the stirring device (3) comprises:
the sealing platform (30) is in a circular truncated cone shape, the sealing platform (30) is fixed to the top of the sliding platform (21), a sealing gasket (31) is arranged on the outer side of the sealing platform (30), a conical groove (32) is formed in the bottom of the pre-foaming barrel (5), the inner wall of the conical groove (32) is attached to the sealing gasket (31), a corrugated plate (33) is arranged on the top of the sealing platform (30), the corrugated plate (33) is arranged on the lower side of the pre-foaming barrel (5), a driving motor (34) is arranged inside the sealing platform (30), and the driving motor (34) penetrates through the sealing platform (30) and is connected with the corrugated plate (33);
the discharge mechanism (4) comprises:
the air holes (40) are uniformly formed in the left side of the discharge box (1), the bidirectional fan (41) is arranged on the left side of the discharge box (1), the right side of the discharge box (1) is provided with a discharge opening (42), and the right side of the discharge box (1) is rotatably connected with a box door (43);
the circulating air supply device (6) comprises:
two air inlet pipes (60) are arranged, one end of each air inlet pipe (60) is connected with the lower side of the pre-foaming barrel (5), the other end of each air inlet pipe (60) is communicated with the vortex fan (61), one end of each air outlet pipe (62) is connected with the top of the pre-foaming barrel (5), the other end of each air outlet pipe (62) is communicated with the top of the vortex fan (61), and blocking nets (63) are arranged at the positions where the air outlet pipes (62) are communicated with the pre-foaming barrel (5) and the positions where the air inlet pipes (60) are communicated with the pre-foaming barrel (5);
the feeding mechanism (7) comprises:
the pre-foaming device comprises a bin (70), a feeding valve (71) is arranged at the bottom of the bin (70), brackets (72) are arranged on the front side and the rear side of the bin (70), a weighing sensor (73) is arranged at the lower end of each bracket (72), each bracket (72) is communicated with the top of a pre-foaming barrel (5) through the weighing sensor (73), a feeding hole (74) is formed in the top of the pre-foaming barrel (5), and the feeding hole (74) is communicated with the bottom of the bin (70) through a flexible compensator (75);
the steaming device (8) comprises:
the front end of the steam pipe (80) is communicated with the air inlet pipe (60), a steam valve (81) is arranged at the communication position of the steam pipe (80) and the air inlet pipe (60), the rear end of the steam pipe (80) is communicated with a steam boiler (82), and the steam boiler (82) is arranged behind the pre-foaming barrel (5).
2. An EPS intermittent pre-expander with uniform pre-expansion according to claim 1, characterized in that: the height of the sliding table (21) is greater than that of the sliding cylinder (20), and the height of the sliding table (21) is less than that of the discharge box (1).
3. An EPS intermittent pre-expander with uniform pre-expansion according to claim 1, characterized in that: the center line of the sealing platform (30) and the center line of the conical groove (32) are positioned on the same vertical line, and the sealing platform (30) is in sealing connection with the conical groove (32) through a sealing gasket (31).
4. An EPS intermittent pre-expander with uniform pre-expansion according to claim 1, characterized in that: the outer end of the wave plate (33) is attached to the inner wall of the pre-foaming barrel (5), the wave plate (33) is connected with the pre-foaming barrel (5) in a rotating mode, and meanwhile the wave plate (33) is connected with the pre-foaming barrel (5) in a sliding mode.
5. An EPS intermittent pre-expander with uniform pre-expansion according to claim 1, characterized in that: the central line of the bidirectional fan (41), the central line of the discharge box (1) and the central line of the discharge opening (42) are positioned on the same horizontal straight line.
6. An EPS intermittent pre-expander with uniform pre-expansion according to claim 1, characterized in that: the discharge gate (42) is wide on the left and narrow on the right, and the width of the left end of the discharge gate (42) is the same as that of the discharge gate (42).
7. An EPS intermittent pre-expander with uniform pre-expansion according to claim 1, characterized in that: the two air inlet pipes (60), the two vortex fans (61) and the two air outlet pipes (62) are arranged in a rotationally symmetrical mode by taking the central line of the pre-foaming barrel (5) as the center, wherein the two air inlet pipes (60), the two vortex fans (61) and the two air outlet pipes (62) are arranged in a rotationally symmetrical mode.
8. An EPS intermittent pre-expander with uniform pre-expansion according to claim 1, characterized in that: the air inlet pipe (60) is communicated with the pre-foaming barrel (5) along the tangential direction of the pre-foaming barrel (5), and the lowest end of the communicated part between the air inlet pipe (60) and the pre-foaming barrel (5) and the uppermost end of the wave plate (33) are positioned on the same horizontal plane.
9. An EPS intermittent pre-expander with uniform pre-expansion according to claim 1, characterized in that: the center line of the bin (70) and the center line of the feed port (74) are positioned on the same vertical line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010686321.7A CN111906988B (en) | 2020-07-16 | 2020-07-16 | Pre-foaming uniform EPS intermittent pre-foaming machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010686321.7A CN111906988B (en) | 2020-07-16 | 2020-07-16 | Pre-foaming uniform EPS intermittent pre-foaming machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111906988A CN111906988A (en) | 2020-11-10 |
| CN111906988B true CN111906988B (en) | 2022-01-11 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010686321.7A Active CN111906988B (en) | 2020-07-16 | 2020-07-16 | Pre-foaming uniform EPS intermittent pre-foaming machine |
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| CN114279534A (en) * | 2021-12-22 | 2022-04-05 | 金华万里扬机械制造有限公司 | Weighing device for pre-expander |
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