CN213382925U - Heat preservation structure of extruder - Google Patents

Abstract

The application relates to a insulation construction of extruder relates to the field of plastic products processing, and it includes fortune feed cylinder, and fortune feed cylinder has cup jointed the processing pipe outward, and the processing pipe cup joints confined insulating tube outward, and the insulating tube both ends are pegged graft with fortune feed cylinder, and insulating tube surface encircles and is equipped with the folding heat preservation piece of a plurality of. This application has the thermal loss in the reduction processing pipe, improves energy utilization's effect.

Description

Heat preservation structure of extruder

Technical Field

The application relates to the field of plastic product processing, in particular to a heat insulation structure of an extruder.

Background

In modern society, plastic products have been widely used in various fields of life. In the production and processing of plastic articles, extruder equipment is typically used to process the plastic feedstock. The extruder mainly comprises an extrusion system, a transmission system and a heating and cooling system. Wherein heating and cooling are necessary conditions for the plastic extrusion process to be able to take place.

Referring to fig. 1, the related art includes an extruder body 1, a material conveying cylinder 11 is mounted on the extruder body 1, and a plastic processing raw material is loaded in the material conveying cylinder 11. The processing tube 2 is fixedly arranged outside the material conveying tube 11 in a surrounding mode, the heating rod 21 is arranged in the processing tube 2, the air blower 22 is arranged on the side wall of the processing tube 2, the air outlet tube 23 and the air inlet tube 24 are communicated with the side wall of the processing tube 2, and the air outlet tube 23 and the air inlet tube 24 are connected with the air compressor. When the temperature in the processing pipe 2 is higher than the set temperature value, the heating rod 21 stops heating, and the air compressor is started to transmit air with lower temperature into the processing pipe 2 through the air outlet pipe 23. When the temperature in the process tube 2 is lower than the set temperature value, the heating rod 21 starts to operate, and the air compressor stops operating.

In view of the above-mentioned related technologies, the inventor believes that there is a defect that the processing tube of the extruder is directly exposed in the processing environment, and the heat in the processing tube is continuously dissipated to the outside through heat transfer during the processing process, so that the energy cannot be fully utilized.

SUMMERY OF THE UTILITY MODEL

In order to reduce the heat of heat to external transmission in the processing pipe bucket, improved the processing pipe to the heat utilization ratio of conveying in the fortune feed cylinder, this application provides an extruder's insulation construction.

The application provides a heat preservation structure of extruder adopts following technical scheme:

the utility model provides a heat preservation structure of extruder, includes the fortune feed cylinder, and the processing pipe has cup jointed outward to fortune feed cylinder, and the processing pipe cup joints the confined insulating tube outward, and the insulating tube both ends are pegged graft with fortune feed cylinder, and the insulating tube surface encircles and is equipped with the folding heat preservation piece of a plurality of.

Through adopting above-mentioned technical scheme, when the extruder began work, the processing pipe was to transporting the interior transmission heat of material section of thick bamboo, and the main effect of insulating tube is the speed that slows down the heat in the processing pipe and to the transmission of external factory, and the heat preservation piece comprises the rubber and plastic insulation material that can buckle, has reduced the thermal loss in the processing pipe, has improved energy utilization.

Preferably, the heat preservation piece is all installed on the fixed plate, and the fixed plate includes first fixed plate and second fixed plate, and the connection can be dismantled between first fixed plate, second fixed plate to the heat preservation piece, and the first fixed plate and the second fixed plate of adjacent heat preservation piece are articulated.

Through adopting above-mentioned technical scheme, install the heat preservation piece on the fixed plate and encircle insulating tube a week to reduce the intraductal thermal loss of processing, improved energy utilization. The fixed plate between the adjacent heat preservation pieces is hinged, so that when the heat preservation pieces are not needed to be used, the heat preservation pieces arranged on the fixed plate can be folded and placed, and the occupied area of the heat preservation pieces when the heat preservation pieces are not used is reduced.

Preferably, the fixed plate further comprises a starting point fixed plate hinged on the heat preservation pipe and a terminal point fixed plate driving the heat preservation piece to be unfolded or folded, a sliding block is arranged at the bottom of the terminal point heat preservation piece, a sliding groove is formed in the surface, contacting with the heat preservation piece, of the processing pipe, and the sliding block is connected with the sliding groove in a sliding mode.

Through adopting above-mentioned technical scheme, when needs or need not use the heat preservation piece, the slip of terminal point heat preservation piece in the spout can drive the fixed plate of installing the heat preservation piece and expand or receive along the insulating tube surface and close, has improved the convenience of installing the heat preservation piece on the insulating tube.

Preferably, the end fixing plate is fixedly connected with a connecting rod, the connecting rod is fixedly connected with a turntable which is rotatably connected with the heat preservation pipe, and the turntable is connected with a driving mechanism.

Through adopting above-mentioned technical scheme, when actuating mechanism drive carousel rotated, it slided in the spout to drive the terminal point fixed plate through the connecting rod to terminal point fixed plate gliding convenience in the spout has been improved.

Preferably, the driving mechanism comprises a motor, the motor drives a first gear, the first gear is meshed with a second gear, and the second gear is fixedly connected with the rotating disc.

Through adopting above-mentioned technical scheme, when the motor during operation, the first gear of drive begins to rotate to the second gear with first gear engagement drives the carousel and begins to rotate, and the connecting rod on the carousel drives the terminal point fixed plate and slides along the insulating tube surface. Thereby the automatic expansion or the collection of fixed plate that has installed the heat preservation piece has been realized, has reduced staff's work load.

Preferably, the upper surface of the first fixing plate is hinged with a heat insulation plate, and the other end of the heat insulation plate is connected with the second fixing plate.

By adopting the technical scheme, because the space exposed at the hinged part between the adjacent fixing plates is larger, the heat insulation plate has the main function of reducing the possibility that the heat in the heat insulation pipe is transferred to the outside from the hinged part of the fixing plate, and improving the heat insulation effect of the heat insulation pipe.

Preferably, the bottom of the heat insulation plate is provided with an insertion block, the second fixing plate is provided with a second insertion groove, and the insertion block is fixedly inserted into the second insertion groove.

Through adopting above-mentioned technical scheme for the heat insulating board is pegged graft with the second fixed plate, has improved the compactness between heat insulating board and the second fixed plate, has improved the heat preservation effect of insulating tube.

Preferably, the side wall of the other end of the heat-insulating pipe, which is far away from the turntable, is fixedly connected with a fixing rod, and the fixing rod is fixedly connected with a pressing plate for extruding the heat-insulating plate.

Through adopting above-mentioned technical scheme, at the in-process that the heat insulating sheet expandes, the terminal point fixed plate passes from the clamp plate down, when not fully pegging graft between heat insulating board and the second fixed plate, the heat insulating board perk slightly to the clamp plate accessible makes heat insulating board and second inserting groove closely peg graft to the extrusion of heat insulating board, has improved the fastness of pegging graft between heat insulating board and the second fixed plate.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the heat transferred from the heat in the processing tube barrel to the outside is reduced, and the utilization rate of the heat transferred from the processing tube to the material conveying barrel is improved;

2. the fixing plate provided with the heat preservation sheet can be automatically unfolded or folded, so that the workload of workers is reduced;

3. the heat preservation effect of the heat preservation pipe is improved.

Drawings

FIG. 1 is a schematic diagram of a related art;

FIG. 2 is a schematic diagram of the structure of an embodiment of the present application;

FIG. 3 is a schematic view of a machined tube structure according to an embodiment of the present application;

FIG. 4 is a cross-sectional view of a structure according to an embodiment of the present application;

FIG. 5 is an enlarged view of the embodiment of the present application at A in FIG. 4;

FIG. 6 is an exploded view of a retainer plate according to an embodiment of the present application;

FIG. 7 is a schematic view of a platen configuration according to an embodiment of the present application;

FIG. 8 is an enlarged view of the embodiment of the present application at B in FIG. 7;

FIG. 9 is a schematic diagram of a bump structure according to an embodiment of the present application;

FIG. 10 is a schematic view of a heat shield configuration according to an embodiment of the present application.

Description of reference numerals: 1. an extruder body; 11. a material conveying barrel; 2. processing a pipe; 21. a heating rod; 22. a blower; 23. an air outlet pipe; 24. an air inlet pipe; 3. a heat preservation pipe; 31. a baffle plate; 32. a heat preservation sheet; 33. a fixing plate; 331. a first fixing plate; 332. a second fixing plate; 333. a starting point fixing plate; 334. a terminal fixing plate; 335. a first insertion groove; 34. a connecting rod; 341. a turntable; 342. a roller; 35. a slider; 36. a chute; 37. a heat insulation plate; 371. an insertion block; 38. a second insertion groove; 4. an electric motor; 41. a first gear; 42. a second gear; 43. a bearing; 5. fixing the rod; 51. and (7) pressing a plate.

Detailed Description

The present application is described in further detail below with reference to figures 2-9.

The embodiment of the application discloses insulation construction of extruder, and referring to fig. 2, an insulation construction of extruder includes extruder main part 1. The extruder body 1 is provided with a material conveying cylinder 11, and the material conveying cylinder 11 is loaded with plastic processing raw materials.

Referring to fig. 3, the processing tube 2 is sleeved outside the material conveying cylinder 11, and a plurality of heating rods 21 are installed on the top of the processing tube 2. The heating rod 21 mainly functions to heat air between the processing pipe 2 and the material conveying cylinder 11, so that heat of the hot air is transferred into the material conveying cylinder 11, and the material conveying cylinder 11 is indirectly heated by the heating rod 21.

The side parts of the processing tube 2 are communicated with a blower 22, when the blower 22 is started, heated air flows in the processing tube 2, and the main function of the blower 22 is to improve the heating efficiency of the material conveying barrel 11.

The cooling and heating device of the extruder further comprises an air compressor (not shown in the figure), the air compressor is fixedly installed in the processing plant, the air compressor is connected with an air outlet pipe 23 and an air inlet pipe 24, and the air outlet pipe 23 is communicated with the processing pipe 2.

When the temperature in the material conveying cylinder 11 is too high, the air compressor is started, and the heating rod 21 stops heating, so that air with lower temperature is blown into the processing pipe 2 through the air outlet pipe 23 by the air compressor, hot air is conveyed into the air compressor through the air inlet pipe 24, heat in the material conveying cylinder 11 is transferred into the processing pipe 2, and the temperature in the material conveying cylinder 11 is reduced. When the temperature in the material conveying cylinder 11 falls to the set normal operating temperature range, the air compressor stops operating, so that the temperature in the material conveying cylinder 11 is kept in the set temperature range.

Referring to fig. 3 and 4, the heat preservation pipe 3 is sleeved outside the processing pipe 2, and a certain gap exists between the heat preservation pipe 3 and the processing pipe 2. The main function of the heat preservation pipe 3 is to slow down the speed of transferring heat in the processing pipe 2 to an external factory, reduce the loss of heat in the processing pipe 2 and improve the energy utilization rate.

The insulating tube 3 is close to and is fixed with baffle 31 by the 2 outlet sides of processing pipe, and insulating tube 3 is close to the 2 feed sides of processing pipe and is the opening, and baffle 31 is pegged graft with processing pipe 2, play tuber pipe 23.

The outer layer of insulating tube 3 encircles and is provided with a round a plurality of heat preservation piece 32, and heat preservation piece 32 comprises the rubber and plastic insulation material that can buckle, and heat in the heat preservation piece 32 main function reduces processing pipe 2 is to external heat transfer to cause the possibility of the calorific loss in the processing pipe 2.

Referring to fig. 2 and 6, the fixing plates 33 are connected to both sides of the heat-insulating sheet 32, each fixing plate 33 includes a first fixing plate 331 and a second fixing plate 332, the heat-insulating sheet 32 is fixed between the fixing plates 33, and the first fixing plates 331 connected to the heat-insulating sheet 32 are hinged to the second fixing plates 332 of the adjacent heat-insulating sheets 32.

First inserting grooves 335 are formed in the first fixing plate 331 and the second fixing plate 332, and the heat retaining sheet 32 is inserted into the fixing plate 33 through the first inserting grooves 335. After the heat preservation sheet 32 is used for a long time, because the heat preservation sheet 32 is soft, can buckle the material, when needing to change the heat preservation sheet 32, extract respectively one by one need change the heat preservation sheet 32 of pegging graft in the first inserting groove 335 can to it is more convenient to make the heat preservation sheet 32 dismantle on fixed plate 33.

Referring to fig. 7 and 8, a plurality of heat preservation plates 32 are arranged around the heat preservation pipe 3, the fixing plate 33 further includes a starting point fixing plate 333 and an end point fixing plate 334 of a starting point, the starting point fixing plate 333 is hinged to the heat preservation pipe 3 during surrounding, and the end point fixing plate 334 is inserted into the heat preservation plates 32 around the end point.

Referring to fig. 9, the bottom of the end fixing plate 334 is provided with a slide block 35, the upper surface of the insulating tube 3 is provided with a slide groove 36, and the slide block 35 is slidably connected with the slide groove 36, so that the insulating sheet 32 connected to the fixing plate 33 can slide on the insulating tube 3 along the end fixing sheet 32. A plurality of heat preservation pieces 32 are connected between the starting point fixing plate 333 and the end point fixing plate 334, and the heat preservation pieces 32 can slide on the heat preservation pipe 3 along with the slide block 35, so that the plurality of heat preservation pieces 32 can be unfolded or folded on the heat preservation pipe 3.

Referring to fig. 7, the end fixing plate 334 is fixed with a connecting rod 34 at a side wall thereof away from the barrier 31, and a rotating disc 341 is fixed at the other end of the connecting rod 34.

Referring to fig. 4 and 5, the rotating disc 341 is adjacent to and fully contacts the opening of the insulating tube 3, a plurality of rollers 342 are disposed in the side wall of the opening of the insulating tube 3 contacting the rotating disc 341, and the rollers 342 mainly function to reduce the friction between the rotating disc 341 and the insulating tube 3 when the rotating disc 341 rotates.

Referring to fig. 7, the feed end of the material conveying barrel 11 is inserted into a rotating disc 341, and the rotating disc 341 is connected with a driving mechanism which comprises a motor 4 fixed on the material conveying barrel 11, wherein the motor 4 is a reversible three-phase asynchronous motor. The motor 4 is connected with a first gear 41, the first gear 41 is engaged with a second gear 42, the second gear 42 is fixedly connected with the outer surface of the rotating disc 341, and bearings 43 are connected between the material conveying cylinder 11 and the rotating disc 341 and between the material conveying cylinder 11 and the second gear 42, so that the friction between the rotating disc 341 and the material conveying cylinder 11 during rotation is reduced.

When the motor 4 is operated, the first gear 41 is driven to rotate, so that the second gear 42 engaged with the first gear 41 drives the rotating disc 341 to rotate, and the connecting rod 34 on the rotating disc 341 drives the end fixing plate 334 to slide along the surface of the insulating tube 3. Therefore, the fixing plate provided with the heat preservation sheet 32 can be automatically unfolded or folded, and the workload of workers is reduced.

Referring to fig. 10, the first fixing plates 331 are hinged to a heat insulation plate 37 on the upper surface thereof, and the heat insulation plate 37 is made of a hard heat insulation material. The bottom of the heat insulation plate 37 is provided with an insertion block 371, the second fixing plate 332 in the pair of hinged fixing plates 33 is provided with a second insertion groove 38, and the insertion block 371 is inserted into the second insertion groove 38, so that the heat insulation plate 37 is inserted into and fixed with the second fixing plate 332. Because the space exposed at the hinged part between the adjacent fixing plates 33 is larger, the heat insulation plate 37 mainly has the function of reducing the possibility that the heat in the heat insulation pipe 3 is transferred to the outside from the hinged part of the fixing plates 33, and improving the heat insulation effect of the heat insulation pipe 3.

Referring to fig. 7 and 9, a fixing rod 5 is fixedly connected to the baffle 31, the fixing rod 5 is located on the sidewall of the baffle 31 between the starting point fixing plate 333 and the first and second fixing plates 332 along the expansion direction of the heat preservation sheet 32, the fixing rod 5 is fixedly connected to a pressing plate 51, and when the insertion block 371 and the second insertion groove 38 are completely inserted, the distance from the upper surface of the heat insulation plate 37 to the outer surface of the heat preservation pipe 3 is the same as the distance from the pressing plate 51 to the outer surface of the heat preservation pipe 3. Therefore, in the process that the heat insulation sheet 32 is unfolded, the end point fixing plate 334 penetrates through the pressing plate 51, when the heat insulation plate 37 and the second fixing plate 332 are not fully inserted, the heat insulation plate 37 slightly tilts, the pressing plate 51 can extrude the heat insulation plate 37 to enable the heat insulation plate 37 to be tightly inserted into the second insertion groove 38, and the insertion firmness between the heat insulation plate 37 and the second fixing plate 332 is improved.

The implementation principle of the embodiment is as follows: the plastic processing raw material enters the material conveying barrel 11, the heating rod 21 is started, and the raw material is heated through the heating rod 21.

When the heating temperature is higher than the set temperature range, the air compressor is started, so that air for cooling is injected into the processing pipe 2 through the air outlet pipe 23, and the heating rod 21 stops working.

When the heating temperature is lower than the set temperature range, the air compressor stops operating, and the heating rod 21 continues operating, so that the temperature in the extruder is maintained within the set temperature range.

The motor 4 is started to drive the heat insulation sheets 32 on the fixing plate 33 to be unfolded around the heat insulation pipe 3, and the heat insulation plate 37 which is not inserted in place is pressed with the pressing plate 51 in the unfolding process, so that the heat insulation plate 37 is fully inserted with the second fixing plate 332.

When the heat preservation pieces 32 connected to the fixing plate 33 need to be replaced, the soft heat preservation pieces 32 inserted into the first insertion grooves 335 to be replaced are respectively pulled out one by one.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims (8)

1. The utility model provides a heat preservation structure of extruder, includes fortune feed cylinder (11), has cup jointed processing pipe (2) its characterized in that outside fortune feed cylinder (11): the processing pipe (2) is sleeved with a closed heat preservation pipe (3), two ends of the heat preservation pipe (3) are connected with the material conveying cylinder (11) in an inserting mode, and a plurality of foldable heat preservation sheets (32) are arranged on the outer surface of the heat preservation pipe (3) in a surrounding mode.

2. The heat insulating structure of an extruder as set forth in claim 1, wherein: the heat preservation pieces (32) are all installed on the fixing plate (33), the fixing plate (33) comprises a first fixing plate (331) and a second fixing plate (332), the heat preservation pieces (32) are detachably connected between the first fixing plate (331) and the second fixing plate (332), and the first fixing plate (331) and the second fixing plate (332) of the adjacent heat preservation pieces (32) are hinged.

3. The heat insulating structure of an extruder according to claim 2, wherein: the fixed plate (33) further comprises a starting point fixed plate (333) hinged to the heat preservation pipe (3) and an end point fixed plate (334) driving the heat preservation sheet (32) to unfold or fold, a sliding block (35) is arranged at the bottom of the end point heat preservation sheet (32), a sliding groove (36) is arranged on the surface of the processing pipe (2) contacting with the heat preservation sheet (32), and the sliding block (35) is connected with the sliding groove (36) in a sliding mode.

4. A heat insulating structure of an extruder as claimed in claim 3, wherein: the end fixing plate (334) is fixedly connected with a connecting rod (34), the connecting rod (34) is fixedly connected with a rotating disc (341) which is rotatably connected with the heat preservation pipe (3), and the rotating disc (341) is connected with a driving mechanism.

5. The heat insulating structure of an extruder according to claim 4, wherein: the driving mechanism comprises a motor (4), the motor (4) is driven by a first gear (41), the first gear (41) is meshed with a second gear (42), and the second gear (42) is fixedly connected with the rotating disc (341).

6. The heat insulating structure of an extruder according to claim 2, wherein: the upper surface of the first fixing plate (331) is hinged with a heat insulation plate (37), and the other end of the heat insulation plate (37) is connected with the second fixing plate (332).

7. The heat insulating structure of an extruder as set forth in claim 6, wherein: the bottom of the heat insulation plate (37) is provided with an insertion block (371), the second fixing plate (332) is provided with a second insertion groove (38), and the insertion block (371) is fixedly inserted into the second insertion groove (38).

8. The heat insulating structure of an extruder as set forth in claim 6, wherein: and a fixing rod (5) is fixedly connected to the side wall of the other end, far away from the turntable (341), of the heat insulation pipe (3), and a pressing plate (51) used for extruding the heat insulation plate (37) is fixedly connected to the fixing rod (5).

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