CN209633731U - Extruder comprising more cooling structures - Google Patents

Abstract

The utility model discloses the extruders comprising more cooling structures, its key points of the technical solution are that: including rack, barrel is fixed in rack, Telescopic air pipe is arranged on the outer wall of barrel, the quantity of air hose is two and is symmetrically arranged at the both ends of barrel in the axial direction, air hose is tightly connected close to one end of barrel end and barrel, the open end of air hose is equipped with the connection frame for being connected and fixed two air hose open ends, rack is equipped with blast pipe and discharge pipe, it connects frame and is equipped with the air intake duct and air-out groove for accommodating discharge pipe and blast pipe respectively, air intake duct and the setting of air-out groove semicircular in shape, screw-casing is equipped with water cooling tube on the outer wall of barrel.

Description

Extruder comprising more cooling structures

Technical field

The utility model relates to extruder fields, more specifically, it relates to the extruder comprising more cooling structures.

Background technique

Extruder is the plastic processing machine tool for producing EVA, and EVA refers to ethylene-vinyl acetate copolymer, is usually used in giving birth to Produce glass laminating film.EVA is solid at normal temperature, and heating melting becomes to flow to a certain extent, and has certain viscosity Liquid.Extruder is exactly to be produced using this characteristic of EVA.

The more cooling machine barrels of EVA extruder are described in the utility model patent file of Patent No. CN208118400U, More cooling effects are realized by the way that water cooling and air-cooled pipeline are arranged outside machine barrel, to cooperate heating device to guarantee in machine barrel EVA liquid is always molten state.

In such a configuration, air-cooled in order to realize, cooling chamber must fully cover the water cooled pipeline being helically arranged. If to be overhauled or need to be directly viewable barrel situation to water cooled pipeline, it is necessary to will be used to form cooling chamber with barrel Fixed plate group is removed, heavy workload, and manpower demand is high, and use is extremely inconvenient.

Utility model content

In view of the deficiencies of the prior art, the purpose of the utility model is to provide in the case where air-cooled and water cooling combines cooling It can be with the extruder comprising more cooling structures of Convenient inspection water-cooling system.

The above-mentioned technical purpose of the utility model has the technical scheme that comprising more cooling structures Extruder, including rack are fixed with barrel in the rack, Telescopic air pipe, the air hose are arranged on the outer wall of the barrel Quantity be two and to be symmetrically arranged at the both ends of barrel in the axial direction, the air hose is close close to one end of barrel end and barrel Envelope connection, the open end of the air hose are equipped with the connection frame for being connected and fixed two air hose open ends, set in the rack There are blast pipe and discharge pipe, the connection frame is equipped with the air intake duct and air-out groove for accommodating discharge pipe and blast pipe respectively, described Air intake duct and the setting of air-out groove semicircular in shape, the outer wall of the barrel are equipped with the water cooling tube of spiral shape distribution.

By using above-mentioned technical proposal, extend air hose and connection frame allowed to contact with each other and be connected and fixed, allow outside air to Flowing is simultaneously flowed out from discharge pipe in air hose, the cooling water of circulation in water cooled pipeline, by the convection current of water and air to barrel into The multiple cooling of row；When extruder needs to close air cooling system and overhauls to barrel and the water cooling tube being arranged on barrel, Cold wind air pump is closed, separation connection frame simultaneously allows air hose to shorten to the both ends of barrel, completely exposes barrel and water cooling tube, convenient inspection It repairs.

Preferably, the rack is equipped with the sliding bar for being parallel to barrel axis direction, the connection frame and sliding bar Sliding connection, the sliding bar are equipped with for being drivingly connected frame driving device disconnected from each other or adjacent to each other.

By using above-mentioned technical proposal, by driving device be drivingly connected frame slide along sliding bar so that air hose elongation or Shorten, save manpower, while the spacing between barrel and air hose is equal everywhere to be guaranteed to the supporting role of air hose by sliding bar, Cooling effect is uniform.

Preferably, the driving device includes the screw rod parallel with sliding bar of rotation connection in rack, the screw rod It is correspondingly connected with frame setting, is arranged with the slipping block engaged with screw flight on the screw rod, the connection frame is fixed with slipping block Connection, the screw rod are equipped with the servo motor driven screw turns close to one end of barrel end.

By using above-mentioned technical proposal, opens servo motor and drive screw turns, by slipping block along the sliding of screw rod Drive connection frame along sliding bar sliding, so that a key exposes barrel, Convenient inspection.

Preferably, the both ends of the water cooling tube are connected with water inlet pipe and outlet pipe, the air hose is intake when being connected with each other Pipe, outlet pipe are in same plane with frame is connect, and the connection frame is equipped with the water inlet stretched out respectively for water inlet pipe and outlet pipe Slot and effluent trough, the intake chamber and effluent trough semicircular in shape setting, the rack be equipped with simultaneously with water inlet pipe and outlet pipe The water tank of connection, the interior water circulating pump for being equipped with driving Water-cooling circulating of the water tank.

By using above-mentioned technical proposal, the water in water tank flows into water cooling tube from water inlet pipe under the driving of water circulating pump, Uniform and comprehensive water cooling is carried out to barrel by the layout of water cooling tube spiral surrounding, the heat of barrel is absorbed, from outlet pipe stream It out and returns in water tank, constitutes closed water-cooled circulation, save water resource, further enhance the cooling effect of barrel.

Preferably, the silica-gel sphere for clearing up scale in water cooling tube is placed in the water cooling tube, the silica-gel sphere Cross sectional shape is water chestnut flower-shape.

By using above-mentioned technical proposal, silica-gel sphere enters water cooling tube in the inner wall for following water flow friction water cooling tube, by water Scale removal and absorption in cold pipe, cycle through water inlet pipe, water cooling tube, outlet pipe and water tank and carry out cleaning circulation, thus Make water-cooling system that there is self-cleaning function, prevent scale from blocking water cooling tube, removes the trouble of cleaning water cooling tube from.

Preferably, the axial cross section shape of the blast pipe is taper and diameter smaller part is close to barrel, the outlet air The axial cross section shape of pipe is tapered and is relatively large in diameter place close to barrel.

By using above-mentioned technical proposal, using the fluid principle that flow velocity increases when flowing through area of section and reducing allow from into Air hose flows into air hose and increases and residence time growth from flow velocity of the air-flow of discharge pipe outflow in air hose again, to enhance convection current Cooling effect.

Preferably, being embedded with sealing strip on the connection frame.

By using above-mentioned technical proposal, the airtightness of sealing strip can guarantee to connect absolute in air hose when frame is fixed to each other It is closed, so that cooling airflow is not leaked from the junction between connection frame, reduce air cooling effect and efficiency.

Preferably, the water tank is equipped with the observation window for observing water tank inner case.

By using above-mentioned technical proposal, staff can be by the water in observation window observation water tank without opening water tank Position height and working condition, while convenient can judge whether water tank needs to clear up scale, save human resources.

In conclusion the utility model has the following beneficial effects:

1. the air cooling system that the extruder is equipped with can a key close and expose water-cooling system be convenient for water-cooling system carry out Maintenance；

2. water-cooling system has automatic cleaning function, it is not easy to save bit by bit scale and results in blockage.

Detailed description of the invention

Fig. 1 is two surveys view of axis of the specific embodiment.

Fig. 2 is the Telescopic air pipe Sliding Structures schematic diagram of the specific embodiment.

Fig. 3 is the water tank schematic diagram of internal structure of the specific embodiment.

In figure: 1, rack；11, bar is slid；12, screw rod；13, slipping block；14, servo motor；2, barrel；3, air hose；31, Connect frame；311, air intake duct；312, air-out groove；313, intake chamber；314, effluent trough；315, sealing strip；32, blast pipe；33, go out Air hose；4, water cooling tube；41, water inlet pipe；42, outlet pipe；43, water tank；431, observation window；44, water circulating pump；45, silica-gel sphere.

Specific embodiment

The utility model is described in further detail below in conjunction with attached drawing 1-3.

Extruder comprising more cooling structures, including rack 1, rack 1 are rectangle truss structure, are fixed with circle in rack 1 Cylindrical barrel 2, barrel 2 is erected in rack 1 in a manner of axis horizontal and both ends are fixed in rack 1.Barrel 2 goes out Material mouth and feed inlet set up 2 both ends of barrel separately.Water cooling and air cooling system are provided on barrel 2 simultaneously.Air cooling system includes being set in Telescopic air pipe 3 on 2 outer wall of barrel, the quantity of air hose 3 are two and are symmetrically arranged at the both ends of barrel 2 in the axial direction.Air hose 3 It is fully sealed and connect with barrel 2 close to one end of 2 end of barrel.Connection frame 31 of the open end of air hose 3 equipped with rectangle, two Connection frame 31, which can connect, to be fixed together.The docking end face for connecting frame 31 is equipped with sealing strip 315, the sealing of sealing strip 315 Property can guarantee that connecting frame 31 connects after, will not be leaked from the junction of connection frame 31 for the air-flow of cools barrel 2 in air hose 3 It goes out, air cooling effect is effectively ensured.

The discharge pipe 33 for 33 interior air-flow of air hose to be discharged is additionally provided in rack 1, connection frame 31 is equipped with 311 He of air intake duct Air-out groove 312, air intake duct 311 are matched with the shape of blast pipe 32, and air-out groove 312 is matched with the shape of discharge pipe 33.Into Air hose 32 is connected with the cold wind air pump for driving cool ambient air to flow into air hose 3.Discharge pipe 33 is directly in communication with the outside. Water-cooling system includes that helically the circular water cooling tube 4 of formula, water cooling tube 4 are connected with water inlet pipe 41 and outlet pipe 42 on barrel 2, water inlet Axis of the axis of pipe 41 and outlet pipe 42 perpendicular to barrel 2.Connection frame 31 be equipped with matched with 41 shape of water inlet pipe into Sink 313 connects and is additionally provided with the effluent trough 314 matched with 42 shape of outlet pipe on frame 31.1 bottom of rack is equipped with water tank 43, Two sides of water tank 43 are connect with water inlet pipe 41 and outlet pipe 42 by hose respectively, and driving Water-cooling circulating is equipped in water tank 43 Water circulating pump 44.Water in water tank 43 enters water cooling tube 4 from water inlet pipe 41 under the driving of water circulating pump 44, absorbs barrel Through by completing the water cooling to barrel 2 in 42 reflow tank 43 of outlet pipe after 2 heats given out.The air-cooled and common structure of water cooling It is high to the cooling efficiency of barrel 2 at more cooling structures.

When extruder is needed using air cooling system, elongation air hose 3 allows connection frame 31 clamping blast pipe 32 and discharge pipe It contacts with each other in the case where 33, is connected and fixed two connection frames 31, open cold wind air pump, open water circulating pump 44, allow extraneous empty Gas is flowed into air hose 3 and is flowed out from discharge pipe 33, is allowed cooling water cooling to flow in water cooling tube 4, is passed through water and air convection current pair Barrel 2 is cooled down；When extruder needs to close air cooling system and overhauls to the water-cooling system on barrel 2 or barrel 2 When, cold wind air pump is closed, separation connection frame 31 simultaneously allows air hose 3 to shorten to the both ends of barrel 2, completely exposes barrel 2 and barrel 2 On water cooling tube 4, Convenient inspection.

In order to allow barrel 2 to be always positioned at the center of air duct and air duct elongation is facilitated to shorten, rack 1 is equipped with parallel In the sliding bar 11 of 2 axis direction of barrel, the bottom that air duct is arranged in bar 11 is slid, length and the barrel 2 for sliding bar 11 are isometric. Bottom and the sliding sliding connection of bar 11 of frame 31 being connected, and slide bar 11 there are two, the axisymmetrical relative to barrel 2 is arranged, Guarantee that connection frame 31 can be along sliding 11 horizontal sliding of bar.It slides bar 11 and is equipped with driving device for user's drive connection frame 31 It is disconnected from each other or adjacent to each other.As long as by driving device be drivingly connected frame 31 it is close to each other and separation, it will be able to change material Whether the exposing of cylinder 2 and the water-cooling system on barrel 2, simultaneously because the supporting role of sliding bar 11, between air duct and barrel 2 Constant gap guarantees that the air cooling effect that 2 each section of barrel receives all is uniformly, to guarantee that 2 temperature of barrel uniformly cools down.

Driving device includes the screw rod 12 that connection is rotated in rack 1, and the axis of screw rod 12 is parallel with the sliding axis of bar 11, The lower section of sliding bar 11 is arranged in screw rod 12.The quantity of screw rod 12 is two and is correspondingly connected with the setting of frame 31, the length of screw rod 12 For the half for sliding 11 length of bar, rack 1 is equipped with link block, and link block and the rotation of rack 1 connect, screw rod 12 and link block spiral shell Line connection.It is arranged with the slipping block 13 engaged with 12 screw thread of screw rod on screw rod 12, connects the slip base and slipping block of 31 bottom of frame 13 are fixedly connected, and screw rod 12 is equipped with the servo motor 14 that driving screw rod 12 rotates close to one end of 2 end of barrel.Open servo electricity Machine 14 drives screw rod 12 to rotate, and slipping block 13 is driven to slide along 12 direction of screw rod, slides slip base acquisition along sliding bar 11 Driving force realizes the elongation and shortening of air hose 3 so that connection frame 31 be allowed to slide along 2 direction of barrel, reduces manual operation, reduces Human cost.

Scale is saved bit by bit in water cooling tube 4 in order to prevent and blocks water cooling tube 4, can not carry out water cooling, water cooling tube 4 to barrel 2 Inside it is placed with the silica-gel sphere 45 for clearing up scale in water cooling tube 4.The cross sectional shape of silica-gel sphere 45 is water chestnut flower-shape, and silica-gel sphere 45 exists Rubbing to the tube wall of water cooling tube 4 while circulating for water-cooling system is followed in water cooling tube 4, to take away and by water Dirt is adsorbed on itself.Be located in water tank 43 to silica-gel sphere 45, there is no with when wall friction, scale falls off naturally in water tank 43. Silica-gel sphere 45 follows Water-cooling circulating to enter water cooling tube 4 by water inlet pipe 41 again and carries out circulation cleaning, and water cooling tube 4 is effectively avoided to produce It scales, eliminates the trouble that staff clears up water cooling tube 4.

In order to improve the speed in air hose 3 for the air-flow of cools barrel 2, the axial cross section shape of blast pipe 32 is Tapered and close to barrel 2 nozzle diameter is smaller, and the axial cross section shape of discharge pipe 33 is also nozzle tapered and close to barrel 2 It is relatively large in diameter.This makes gas, and flow velocity improves due to flowing through area of section and being gradually reduced during flowing into air duct, is flowing Flow velocity reduces due to flowing through area of section and being gradually increased during in chimney fan, thus the residence time in cools barrel 2 Longer and flow velocity faster, further increases the cooling effect of barrel 2.

Know whether need to clear up and replace water in water tank 43 in order to convenient, water tank 43 is equipped with for observing water tank The observation window 431 of 43 inner cases.Staff can observe the water of 43 bottom natural of water tank precipitating through observation window 431 The accumulation degree of dirt, it is convenient to judge whether to need to clear up, each component in water tank 43 can also be observed and whether worked normally or water level Height be it is how many, checked without opening frequent opening water tank 43, facilitate operation.

Specific implementation process: it opens servo motor 14 and screw rod 12 is driven to rotate, drive slipping block 13 to slide along screw rod 12, band Dynamic connection frame 31 keeps connection frame 31 close to each other and the elongation of air hose 3, when connection frame 31 contacts with each other along sliding 11 horizontal sliding of bar When fix two connection frames 31, by cold wind blower drive outside air from blast pipe 32 enter air hose 3 inside, barrel 2 is dissipated The heat of sending is taken away and is flowed out from discharge pipe 33；The water in water tank 43 is driven to enter from water inlet pipe 41 by water circulating pump 44 The heat that barrel 2 gives out is taken away and is flowed out from outlet pipe 42 by water cooling tube 4；When needing to overhaul barrel 2, close Cold wind blower and electromagnet are closed, is made by servo motor 14 via the movement transmitting of screw rod 12, slipping block 13 and connection frame 31 Air hose 3 shortens to the both ends of barrel 2, complete to expose barrel 2, Convenient inspection.

The above is only the preferred embodiment of the utility model, and the protection scope of the utility model is not limited merely to Above-described embodiment, technical solution belonging to the idea of the present invention belong to the protection scope of the utility model.It should refer to Out, for those skilled in the art, it is without departing from the principle of the utility model it is several improvement and Retouching, these improvements and modifications also should be regarded as the protection scope of the utility model.

Claims (8)

1. including the extruder of more cooling structures, including rack (1), barrel (2) are fixed on the rack (1), feature exists In: it is arranged with Telescopic air pipe (3) on the outer wall of the barrel (2), the quantity of the air hose (3) is two and is symmetrically arranged at barrel (2) both ends in the axial direction, the air hose (3) are tightly connected close to one end of barrel (2) end and barrel (2), the wind The open end of pipe (3) is equipped with the connection frame (31) for being connected and fixed two air hose (3) open ends, sets on the rack (1) There are a blast pipe (32) and discharge pipe (33), connection frame (31) is equipped with accommodates discharge pipe (33) and blast pipe (32) respectively Air intake duct (311) and air-out groove (312), the air intake duct (311) and the setting of air-out groove (312) semicircular in shape, the barrel (2) Outer wall be equipped with spiral shape distribution water cooling tube (4).

2. the extruder according to claim 1 comprising more cooling structures, it is characterised in that: the rack (1) is equipped with It is parallel to the sliding bar (11) of barrel (2) axis direction, the connection frame (31) and sliding bar (11) sliding connect, the sliding Bar (11) is equipped with for being drivingly connected frame (31) driving device disconnected from each other or adjacent to each other.

3. the extruder according to claim 2 comprising more cooling structures, it is characterised in that: the driving device includes machine The screw rod (12) parallel with sliding bar (11) of rotation connection on frame (1), the screw rod (12) are correspondingly connected with frame (31) setting, institute The slipping block (13) for being arranged on screw rod (12) and engaging with screw rod (12) screw thread is stated, the connection frame (31) and slipping block (13) are solid It is fixed to connect, the servo motor (14) of driving screw rod (12) rotation is fixed on the rack (1).

4. the extruder according to claim 3 comprising more cooling structures, it is characterised in that: the two of the water cooling tube (4) End is connected with water inlet pipe (41) and outlet pipe (42), and the connection frame (31) is equipped with respectively for water inlet pipe (41) and outlet pipe (42) intake chamber (313) and effluent trough (314) stretched out, the intake chamber (313) and the setting of effluent trough (314) semicircular in shape, The rack (1) is equipped with the water tank (43) being connected to simultaneously with water inlet pipe (41) and outlet pipe (42), sets in the water tank (43) There is the water circulating pump (44) of driving Water-cooling circulating.

5. the extruder according to claim 4 comprising more cooling structures, it is characterised in that: put in the water cooling tube (4) It is equipped with the silica-gel sphere (45) for clearing up water cooling tube (4) interior scale, the cross sectional shape of the silica-gel sphere (45) is water chestnut flower-shape.

6. according to claim 1 or 5 including the extruder of more cooling structures, it is characterised in that: the blast pipe (32) Axial cross section shape be taper and diameter smaller part close to barrel (2), the axial cross section shape of the discharge pipe (33) is cone Type and place is relatively large in diameter close to barrel (2).

7. the extruder according to claim 1 comprising more cooling structures, it is characterised in that: embedding on the connection frame (31) Equipped with sealing strip (315).

8. the extruder according to claim 4 comprising more cooling structures, it is characterised in that: the water tank (43) is equipped with For observing the observation window (431) of water tank (43) inner case.