Device for extruding raw materials after internal mixing

Abstract

The utility model relates to the technical field of production and preparation of foam boards, in particular to a device for extruding raw materials after internal mixing, which comprises a rack and an auger conveying mechanism arranged on the rack, and a shearing machine is arranged above the auger conveying mechanism. The shearing machine comprises a hopper, a crushing motor fixedly arranged on the outer side of the hopper and two groups of crushing augers rotationally arranged in the hopper, the hopper is arranged in an up-and-down penetrating mode, the side ends of the two groups of crushing augers are meshed through gears, and the crushing augers are arranged in the hopper in an up-and-down penetrating mode. And the side ends of one group of crushing augers are in transmission connection with the crushing motor. According to the utility model, the shearing machine is used for crushing raw material clusters after internal mixing, so that partial condensation caused by over-high internal temperature of the raw material clusters is effectively avoided; meanwhile, the situation that due to the fact that the size of the raw material balls is large, an auger in the auger conveying mechanism cannot conduct extrusion effectively, and finally the raw materials are cooled and solidified in the auger conveying mechanism is effectively avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to foamed board production preparation technical field relates to a kind of for raw material extrusion device after closed mixing. BACKGROUND

[0002] Foamed board is the material that plastic particle foams, is abbreviated as foamed board, with water-proof and moisture-proof, shockproof, sound insulation, heat preservation, good plasticity, strong toughness, recycling, environmental protection, strong anti-collision force and many other advantages, also has good chemical resistance, in the production process of foamed board, usually closed mixing polystyrene (EPS), polyurethane (PU), polypropylene (PP) and other materials, after the raw material group after closed mixing is formed green sheet by extrusion mechanism and calender mechanism, however, due to the high temperature inside the raw material group after closed mixing, it is easy to cause internal condensation, finally leading to product foamed board surface forming bubble;Meanwhile, due to the size of the raw material group after closed mixing is larger, it is easy to make the extrusion mechanism unable to effectively extrude the raw material group, finally leading to raw material cooling solidification in auger conveying mechanism. SUMMARY

[0003] The utility model provides a kind of for raw material extrusion device after closed mixing to solve the problems of prior art.

[0004] The utility model discloses a kind of for raw material extrusion device after closed mixing, it include: rack and the auger conveying mechanism being set on the rack, shear machine is set on the auger conveying mechanism, the shear machine includes hopper, fixedly set in the broken motor of the hopper outer side and rotationally set in the broken auger of the hopper interior, the hopper is set through up and down, the broken auger is provided with two groups, two groups the broken auger side end is engaged by gear, wherein one group the broken auger side end is drivingly connected with the broken motor.

[0005] Further improvement, the auger conveying mechanism includes extrusion bin, extrusion motor being set in extrusion bin outer side and rotationally set in the extrusion bin interior extrusion auger, one end of the extrusion auger penetrates the extrusion bin side wall and is drivingly connected with the extrusion motor.

[0006] Further improvement, the broken auger middle part blade is provided with discharge gap.

[0007] Further improvement, the extrusion auger is provided with three groups, the projection of the extrusion auger on the horizontal plane of two sides and the extrusion auger in the middle is acute angle.

[0008] Further improvement, the baffle is set around the hopper.

[0009] Further improvement, the baffle close to closed mixer is horizontally arranged, and the rest of the baffle is inclinedly arranged.

[0010] Compared with the prior art, the utility model has the following beneficial effects:

[0011] The utility model discloses in actual use process, the doughy raw material after the closed mill is transported to the hopper through the output mechanism, is broken to it through the broken auger of rotation setting, makes the doughy raw material broken into several strip raw materials, carries out a certain degree of heat dissipation, avoids the partial condensation due to the internal temperature of raw material being too high, leads to the bubble of finished product internal appearance, and simultaneously due to the size of raw material after breaking is smaller, the transportation of auger conveying mechanism is convenient, effectively avoid the auger in the auger conveying mechanism due to the size of raw material group being larger, leads to the extrusion of auger that cannot effectively carry out, finally leads to the raw material cooling solidification in the auger conveying mechanism. BRIEF DESCRIPTION OF DRAWINGS

[0012] Fig. 1 It is the structure schematic diagram of the utility model;

[0013] Fig. 2 It is the structure schematic diagram of the utility model shearing machine;

[0014] Fig. 3 It is the plan view of the utility model shearing machine.

[0015] In the drawing, 1, frame;2, auger conveying mechanism;21, extrusion bin;22, extrusion motor;23, extrusion auger;3, shearing machine;31, hopper;311, baffle;32, broken motor;33, broken auger;331, discharge gap. DETAILED DESCRIPTION

[0016] In the description of the utility model, it is necessary to explain that the orientation or position relation that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" etc. indicate is based on the orientation or position relation shown in the drawing, is only for the convenience of describing the utility model and simplifying the description, and is not indicated or implied that the indicated device or element must have a particular orientation, is constructed and operated with a particular orientation, therefore can not be understood as the limitation of the utility model.

[0017] In the description of the utility model, it is necessary to explain that unless another explicit provision and limitation, the terms "installation", "connection", "connect" should be broad sense understanding, for example, can be fixed connection, can also be detachable connection, or integrally connected. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0018] The following will be combined with the embodiment and the drawing of the utility model Figs. 1-3 The technical scheme of the utility model is further described.

[0019] Embodiment 1

[0020] A device for extruding raw materials after compounding, comprising a rack 1 and an auger conveying mechanism 2 arranged on the rack 1, a shearing machine 3 arranged above the auger conveying mechanism 2, the shearing machine 3 comprising a hopper 31, a crushing motor 32 fixedly arranged outside the hopper 31, and a crushing auger 33 rotatably arranged inside the hopper 31, the hopper 31 being arranged through from top to bottom, the crushing auger 33 being arranged in two groups, and the side ends of the two groups of crushing augers 33 being engaged through gears, and one group of the crushing augers 33 being in driving connection with the crushing motor 32.

[0021] As shown in Figs. 1-3 the actual use process, the lumpy raw materials after compounding by the compounding machine are transported into the hopper 31 through the output mechanism, and the lumpy raw materials are crushed by the rotatably arranged crushing auger 33, so that the lumpy raw materials are crushed into several strip-shaped raw materials, a certain degree of heat dissipation is achieved, partial condensation caused by excessively high internal temperature of the raw materials is avoided, air bubbles in the finished product are avoided, and the size of the crushed raw materials is small, so that the auger conveying mechanism 2 is facilitated to transport, and the situation that the auger in the auger conveying mechanism 2 cannot effectively extrude due to the large size of the raw material lumps is avoided, and finally the raw materials are cooled and solidified in the auger conveying mechanism 2.

[0022] As a further preferred embodiment, the auger conveying mechanism 2 comprises an extrusion bin 21, an extrusion motor 22 arranged outside the extrusion bin 21, and an extrusion auger 23 rotatably arranged in the extrusion bin 21, one end of the extrusion auger 23 penetrating through the side wall of the extrusion bin 21 and being in driving connection with the extrusion motor 22.

[0023] Specifically, the extrusion motor 22 drives the extrusion auger 23 to rotate in the extrusion bin 21, and the crushed raw materials are extruded to the calender mechanism for extension forming to form green sheets.

[0024] As a further preferred embodiment, the middle blade of the crushing auger 33 is provided with a discharging gap 331.

[0025] Specifically, as shown in Fig. 3 the discharging gap 331 provides a downward extrusion force for the raw material lumps, so that the raw material lumps are effectively prevented from rolling between the two groups of crushing augers 33 and cannot enter the crushing augers 33 for crushing.

[0026] As a further preferred embodiment, the extrusion auger 23 is arranged in three groups, the included angle between the projections of the extrusion augers 23 on the horizontal plane and the middle extrusion auger 23 is an acute angle, and the extrusion efficiency is improved by arranging the three groups of extrusion augers 23.

[0027] As a further preferred embodiment, the hopper 31 is provided with a baffle 311 around the hopper 31, so that the raw material groups are prevented from rushing out of the hopper 31 during the feeding process.

[0028] As a further preferred embodiment, the baffle 311 near the internal mixer is horizontally arranged, and the other baffles 311 are arranged in an inclined manner.

[0029] The preferred embodiments of the present application are described in detail above. It should be understood that those skilled in the art can make many modifications and changes without creative labor based on the concept of the present application. Therefore, any technical solutions obtained by logical analysis, reasoning or limited experiments based on the existing technology within the scope of the present application shall be within the protection scope defined by the claims.

Claims

1. An apparatus for extruding a post-compounded material, comprising: A rack (1) and an auger conveying mechanism (2) arranged on the rack (1), characterized in that a shearing machine (3) is arranged above the auger conveying mechanism (2), the shearing machine (3) comprises a hopper (31), a crushing motor (32) fixedly arranged outside the hopper (31), and a crushing auger (33) rotatably arranged inside the hopper (31), the hopper (31) is arranged through from top to bottom, the crushing auger (33) is arranged in two groups, and the side ends of the two groups of crushing augers (33) are engaged through gears, wherein the side end of one group of the crushing augers (33) is drivingly connected with the crushing motor (32).

2. A device for extruding a material after kneading according to claim 1, wherein The auger conveying mechanism (2) comprises an extrusion bin (21), an extrusion motor (22) arranged outside the extrusion bin (21), and an extrusion auger (23) rotatably arranged inside the extrusion bin (21), one end of the extrusion auger (23) penetrates through the side wall of the extrusion bin (21) and is drivingly connected with the extrusion motor (22).

3. A device for extruding a material after kneading according to claim 1, wherein The middle blade of the crushing auger (33) is provided with a discharging gap (331).

4. A device for extruding a material after kneading according to claim 2, wherein The extrusion auger (23) is arranged in three groups, the included angle between the projections of the extrusion augers (23) on the horizontal plane and the middle extrusion auger (23) is an acute angle.

5. A device for extruding a material after kneading according to claim 1, wherein The hopper (31) is provided with baffles (311) around.

6. A device for extruding a material after kneading according to claim 5, wherein The baffles (311) close to the internal mixer are horizontally arranged, and the rest of the baffles (311) are arranged obliquely.

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