CN114055800A

CN114055800A - Asphalt sheet extruder

Info

Publication number: CN114055800A
Application number: CN202111427171.9A
Authority: CN
Inventors: 黄扣兵; 马文强
Original assignee: Bengbu Jiade Intelligent Equipment Technology Co ltd
Current assignee: Bengbu Jiade Intelligent Equipment Technology Co ltd
Priority date: 2021-11-28
Filing date: 2021-11-28
Publication date: 2022-02-18

Abstract

The invention provides an asphalt sheet extruder which comprises a double-screw feeding part, a single-screw melting and blanking part, an extrusion molding part, a cooling part, a stamping molding part and a winding and packaging part, wherein the double-screw feeding part is connected with the feeding end of the single-screw melting and blanking part; the spraying platform and the soaking cooling pool are arranged in a butt joint mode, so that the spraying platform and the soaking cooling pool share one set of transfer mechanism and a vacuum cooling pump system, and spray water and extruded sheets flow into the soaking cooling pool under the action of gravity after heat exchange.

Description

Asphalt sheet extruder

Technical Field

The invention relates to the technical field of extruded material cooling devices, in particular to an asphalt sheet extruder.

Background

The three-layer co-extrusion plastic pipe production equipment disclosed as CN203371765U in the prior art is composed of a single-screw extruder, a spiral co-extrusion die, a spraying vacuum shaping box, a cooling device, a crawler tractor, a pipe cutting machine, a pipe sorting frame and a base, and is characterized in that the single-screw extruder is arranged at one end of the base, the pipe sorting frame is arranged at the other end of the base, the spraying vacuum shaping box is connected with the single-screw extruder through the spiral co-extrusion die, the pipe cutting machine is arranged on the inner side of the pipe sorting frame, the crawler tractor is arranged at the front end of the pipe cutting machine, the cooling device is arranged at the front end of the crawler tractor, the three-layer co-extrusion plastic pipe production equipment is provided with three extruders, the operation efficiency is high, the application range is wide, the production cost is low, and the specifications of produced products are complete.

But the three-layer co-extrusion plastic pipe production equipment still has obvious defects in the using process: 1. the spraying area of the device is separated from the working area of the cooling device, so that the sheet-shaped extrusion molding material cannot be smoothly transferred to the cooling area after being sprayed and cooled, a plurality of sets of traction equipment are required for transferring, and meanwhile, the residual moisture on the surface of the sheet-shaped extrusion molding material can cause a sprinkling phenomenon in the transfer process, so that the endless consumption of resources is caused; 2. the device separating type setting results in that the spraying area and the cooling area need to be respectively matched with the vacuum cooling pump, and the temperature of the spraying area and the temperature of the cooling area are difficult to be adjusted, and in the spraying and cooling processes, if the temperature difference of the spraying area entering the cooling area is large, the forming and sizing of the extrusion molding material are influenced.

Disclosure of Invention

The present invention is directed to an asphalt sheet extruder to solve the problems set forth in the background art.

In order to achieve the purpose, the invention provides the following technical scheme:

the utility model provides an asphalt sheet extruder, includes twin-screw feeding portion, single screw rod melting unloading portion, extrusion molding portion, cooling part, stamping forming portion and rolling packing portion, the discharge end of twin-screw feeding portion is connected with the feed end of single screw rod melting unloading portion, the discharge end of single screw rod melting unloading portion is connected with the extrusion molding die head of extrusion molding portion, the slice melting material that extrusion molding portion extrudes falls into the conveyer belt system of cooling part and carries to the rear end, the discharge end and the butt joint of stamping forming portion of cooling part, stamping forming portion is used for the slice melting material stamping forming after the cooling and breaks away from with slice extrusion molding material, rolling packing portion is used for rolling the slice extrusion molding material after the punching press and collects the melting material of stamping forming;

the cooling part includes spray cooling section and submergence cooling section, the spray cooling section sprays the platform including the conveying, a plurality of shower of having arranged in the conveying top of spraying, it is a plurality of the interval evenly is provided with the shower head on the shower, conveying spraying platform both sides fixed mounting has the shower water baffle, the conveying spraying platform is along direction of transfer downward along the horizontal direction and is predetermineeing the angle slope, conveying spraying platform end and immersion cooling pond butt joint, both sides the shower water baffle is used for restricting the shower water between its the two, the immersion cooling pond is used for accepting the shower water that flows downwards from conveying spraying platform slope, the circulation hole has been seted up to immersion cooling pond bottom, the circulation hole passes through the wet return and finally fails to a plurality of shower through a plurality of vacuum cooling pumps.

Preferably, a plurality of support frames are fixedly installed on the conveying spraying table, and a plurality of spraying pipes are fixedly installed above the support frames.

Preferably, the joint between the conveying spraying table and the water immersion cooling pool is welded.

Preferably, the number of the spray pipes is three, and the spray pipes are arranged in parallel.

Preferably, a transition table for draining and air-drying the sheet-shaped molten material is further provided between the cooling section and the press-forming section.

Preferably, the front end of the conveying spraying table is movably provided with a driven belt pulley through a bearing, the rear end of the transition table is movably provided with a driving belt pulley, the driving belt pulley is driven by a speed reducing motor, the speed reducing motor is fixedly arranged on the transition table, and the driving belt pulley is connected with the driven belt pulley through a conveying belt.

Compared with the prior art, the invention has the beneficial effects that:

1. according to the invention, the spraying platform and the immersion cooling pool are arranged in a butt joint manner, the sheet-shaped molten material is cooled and formed on the spraying platform and then enters the immersion cooling pool to finish immersion cooling, waste of water resources in the transfer process is effectively avoided in a seamless transition manner, and the spraying platform and the immersion cooling pool share one set of transfer mechanism through the butt joint type arrangement, so that the cost of equipment is effectively reduced;

2. the spraying table and the soaking cooling pool are arranged in a butt joint mode, so that spraying water can flow into the soaking cooling pool under the action of gravity, the steps of spraying and cooling extruded plastics are completed through a set of vacuum cooling pump system, heat exchange is carried out on the spraying water and extruded sheets in the cooling process, and then the spraying water enters the soaking cooling pool.

The spraying platform and the soaking cooling pool are arranged in a butt joint mode, so that the spraying platform and the soaking cooling pool share one set of transfer mechanism and a vacuum cooling pump system, and spray water and extruded sheets flow into the soaking cooling pool under the action of gravity after heat exchange.

Drawings

FIG. 1 is a perspective view of the overall structure of the present invention;

FIG. 2 is a schematic side view of the overall structure of the present invention;

FIG. 3 is a schematic top view of the overall structure of the present invention;

FIG. 4 is an enlarged view of the area A of the present invention;

FIG. 5 is an enlarged view of the area B of the present invention;

FIG. 6 is an enlarged view of the area C of the present invention;

fig. 7 is a schematic diagram of a D-region enlarged structure according to the present invention.

In the figure: the device comprises a double-screw feeding part 1, a single-screw melting and blanking part 2, an extrusion molding part 3, a cooling part 4, a stamping forming part 5, a winding and packaging part 6, a spraying and cooling part 7, an immersion and cooling part 8, a conveying and spraying platform 9, a spraying pipe 10, a spraying head 11, a spraying water baffle 12, a soaking and cooling pool 13, a circulation hole 14, a water return pipe 15, a vacuum cooling pump 16, a support frame 17, a transition platform 18, a driven belt wheel 19, a driving belt wheel 20 and a speed reducing motor 21.

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.

Example (b):

referring to fig. 1-7, the present invention provides a technical solution:

the first embodiment is as follows:

an asphalt sheet extruder comprises a double-screw feeding part 1, a single-screw melting and blanking part 2, an extrusion molding part 3, a cooling part 4, a stamping forming part 5 and a winding and packaging part 6, wherein the discharge end of the double-screw feeding part 1 is connected with the feed end of the single-screw melting and blanking part 2, the discharge end of the single-screw melting and blanking part 2 is connected with an extrusion molding die head of the extrusion molding part 3, a sheet-shaped molten material extruded by the extrusion molding part 3 falls into a conveyor belt system of the cooling part 4 and is conveyed to the rear end, the discharge end of the cooling part 4 is butted with the stamping forming part 5, the stamping forming part 5 is used for stamping and forming the cooled sheet-shaped molten material and separating from the sheet-shaped extruded material, and the winding and packaging part 6 is used for winding the stamped sheet-shaped extruded material and collecting the stamped molten material;

cooling part 4 includes spray cooling section 7 and submergence cooling section 8, spray cooling section 7 sprays platform 9 including the conveying, a plurality of shower 10 of having arranged above the conveying sprays platform 9, evenly be provided with shower head 11 on a plurality of shower 10 at the interval, conveying sprays 9 both sides fixed mounting and has spray water baffle 12, conveying sprays 9's direction of transfer is alpha angle slope of predetermineeing downwards from the past to the back level, conveying sprays 9 end and submergence cooling section 8's immersion cooling pond 13 butt joint, the spray water baffle 12 of both sides is used for restricting spray water between its the two, immersion cooling pond 13 is used for accepting the spray water that flows downwards from conveying sprays 9 slope, circulation hole 14 has been seted up to immersion cooling pond 13 bottom, circulation hole 14 is finally reinfused back to a plurality of shower 10 in through a plurality of vacuum cooling pump 16 through wet return 15.

In this embodiment, the twin-screw feeding portion 1 is used for feeding raw materials into the single-screw melting and blanking portion 2, the raw materials are heated and melted in the single-screw melting and blanking portion 2, the single screw is conveyed to the end far away from the twin-screw feeding portion 1 along with the rotation of the single screw in the single-screw melting and blanking portion 2, when the melt reaches the extrusion molding portion 3, the melt is extruded and molded through the extrusion molding portion 3, the extrusion of the continuous sheet-shaped melt is realized through the way, the extruded sheet is sprayed and soaked and cooled in the cooling portion 4, thereby the molding and the qualification of the melt are accelerated, the molded sheet-shaped material is separated from the continuous sheet-shaped material through the way of punch molding, and finally the product is formed, wherein in the cooling and molding process, because the molten raw materials are extruded through a die head of the extrusion molding portion 3, the surface temperature of the molten materials is high, and the fluidity of the molten materials under the high temperature action, if the soaking cooling is directly carried out, under the rapid temperature drop and complete soaking mode, the interior of the coil can generate larger structural stress and easily cause the formed material to diffuse into the cooling water in the cooling process, so the forming of the coil can be slowly promoted by the spraying cooling mode, the spraying water sprayed above the coil is shielded by the spraying water baffles 12 arranged at two sides, the overflowing of the spraying water can not be caused, the spraying water is obliquely arranged in a preset alpha angle from the front to the back in a horizontal direction and is specifically obliquely downwards 5-8 degrees, therefore, the spraying water slides to one side far away from the extrusion molding part 3 under the action of gravity and finally enters the soaking cooling pool 13, the spraying water entering the soaking cooling pool 13 is gathered to ensure that the coil can be completely immersed when passing, and the coil is further cooled and formed by the immersing mode, because the shower water takes place the heat exchange with the coiled material of molten condition spraying the in-process, consequently the liquid temperature in the cooling tank 13 that soaks is unlikely to reduce by a wide margin, and then help fully eliminating the inside structural stress in the forming process of coiled material, through the seamless butt joint of conveying spray table 9 and soaking cooling tank 13, and then make the two one set of vacuum cooling pump 16 and transport mechanism of sharing, the cost of effectively having practiced thrift the device, the conveying spray table 9 sets up with the seam crossing welding of soaking cooling tank 13.

Example two:

in this embodiment, a plurality of support frames 17 are fixedly installed on the conveying spraying table 9, a plurality of spraying pipes 10 are fixedly installed above the support frames 17, and the spraying pipes 10 are fixedly installed above the conveying spraying table 9 through the support frames 17, so that spraying water can be conveniently and fully sprayed onto the surface of the coiled material.

Example three:

in this embodiment, the quantity of shower 10 is three groups, and parallel arrangement between the shower 10 through the setting of three groups of shower 10, effectively guarantees that the shower water can act on each position of monoblock coiled material to be favorable to the cooling and the design of each position.

Example four:

in this embodiment, a transition table 18 for draining and air-drying the sheet-like molten material is further provided between the cooling unit 4 and the press molding unit 5, and by providing the transition table 18, when the coil enters the press molding unit 5 through the cooling unit 4, water can be drained on the transition table 18, and by providing an air-drying mechanism on the transition table 18, drying of the coil can be further promoted.

Example five:

in this embodiment, the front end of the conveying spraying platform 9 is movably provided with a driven belt pulley 19 through a bearing, the rear end of the transition platform 18 is movably provided with a driving belt pulley 20, the driving belt pulley 20 is driven by a speed reducing motor 21, the speed reducing motor 21 is fixedly arranged on the transition platform 18, the driving belt pulley 20 is connected with the driven belt pulley 19 through a conveying belt, the speed reducing motor 21 rotates to drive the driving belt pulley 20 to rotate, the driving belt pulley 20 rotates to drive the driven belt pulley 19 to rotate, and the coiled material extruded can be driven to be transmitted from the cooling part 4 to one side of the transition platform through the arrangement of the conveying belt.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an asphalt sheet extruder, includes twin-screw feeding portion (1), single-screw rod melting unloading portion (2), extrusion molding portion (3), cooling portion (4), stamping forming portion (5) and rolling packing portion (6), its characterized in that: the discharge end of the double-screw feeding part (1) is connected with the feed end of the single-screw melting and blanking part (2), the discharge end of the single-screw melting and blanking part (2) is connected with an extrusion molding die head of the extrusion molding part (3), the sheet-shaped molten material extruded by the extrusion molding part (3) falls into a conveyor belt system of the cooling part (4) and is conveyed to the rear end, the discharge end of the cooling part (4) is butted with the punch molding part (5), the punch molding part (5) is used for punch molding the cooled sheet-shaped molten material and separating the sheet-shaped molten material, and the winding and packaging part (6) is used for winding the punched sheet-shaped extrusion molding material and collecting the punched and molded molten material;

the cooling part (4) comprises a spray cooling section (7) and an immersion cooling section (8), the spray cooling section (7) comprises a conveying spray table (9), a plurality of spray pipes (10) are arranged above the conveying spray table (9), spray heads (11) are uniformly arranged on the spray pipes (10) at intervals, spray baffles (12) are fixedly arranged on two sides of the conveying spray table (9), the conveying direction of the conveying spray table (9) is inclined at a preset angle alpha downwards from the front to the back, the tail end of the conveying spray table (9) is butted with an immersion cooling pool (13) of the immersion cooling section (8), the spray baffles (12) on two sides are used for limiting spray water between the spray water and the immersion cooling pool (13), the immersion cooling pool (13) is used for bearing the spray water which flows downwards from the conveying spray table (9), circulation holes (14) are formed in the bottom of the immersion cooling pool (13), the circulating holes (14) are finally fed back into the spraying pipes (10) through a water return pipe (15) and a plurality of vacuum cooling pumps (16).

2. An asphalt sheet extruder according to claim 1, wherein: a plurality of supporting frames (17) are fixedly installed on the conveying spraying table (9), and a plurality of spraying pipes (10) are fixedly installed above the supporting frames (17).

3. An asphalt sheet extruder according to claim 1, wherein: and the joint between the conveying spraying table (9) and the soaking cooling pool (13) is welded.

4. An asphalt sheet extruder according to claim 2, wherein: the number of the spray pipes (10) is three, and the spray pipes (10) are arranged in parallel.

5. An asphalt sheet extruder according to claim 1, wherein: and a transition table (18) for draining and air-drying the sheet-shaped molten material is also arranged between the cooling part (4) and the punch forming part (5).

6. An asphalt sheet extruder according to claim 5, wherein: the conveying spraying platform is characterized in that the front end of the conveying spraying platform (9) is movably provided with a driven belt wheel (19) through a bearing, the rear end of the transition platform (18) is movably provided with a driving belt wheel (20), the driving belt wheel (20) is driven through a speed reducing motor (21), the speed reducing motor (21) is fixedly arranged on the transition platform (18), and the driving belt wheel (20) is connected with the driven belt wheel (19) through a conveying belt.