CN213972497U - Extruder charging barrel convenient to disassemble and assemble - Google Patents

Abstract

The utility model discloses an extruder charging barrel convenient for disassembly and assembly, which comprises a screw rod for extruding materials, a plurality of sections of charging barrels arranged on a processing line side by side and a bracket for fixedly supporting the charging barrels, wherein the charging barrel comprises a barrel body, a shell arranged outside the barrel body and a heating pipe for heating the barrel body, two ends of the barrel body are fixedly connected with flanges arranged at two ends of the shell, the charging barrels are detachably connected through the flanges, a track corresponding to the processing line is arranged at the upper side of the bracket, a slide block matched with the track is arranged at the lower side of the shell, the shell and the slide block are detachably connected, the sectional type charging barrel is convenient for production, the requirements on processing equipment and a field are reduced, the disassembly and assembly are convenient, the installation time and the maintenance time are greatly saved, only one section which is damaged needs to be maintained or replaced, and the maintenance cost is reduced, but also saves space and is convenient to move and transport.

Description

Extruder charging barrel convenient to disassemble and assemble

Technical Field

The utility model relates to a technical field of plastic extruder especially relates to an extruder feed cylinder convenient to dismouting.

Background

The plastic molding mainly depends on the direct molding of an extruder or the molding of a matched mold to form various shapes, the plastic extruder extrudes raw material particles continuously through a screw after plasticizing through a charging barrel, the charging barrel structure of the existing extruder is divided into two types, one type is an integral charging barrel, the charging barrel of the structure is widely applied, but the requirements on manufacturing equipment and places are high due to the large volume, the other type is a combined charging barrel, the processing is simple, the length-diameter ratio is convenient to change, but the charging barrels of the existing two different structures are difficult to disassemble and assemble, the maintenance and the replacement are inconvenient, the time is wasted, and the maintenance cost is high.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an extruder feed cylinder convenient to dismouting to reach the dismouting of being convenient for, save time and make things convenient for maintenance scheduling problem.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an extruder feed cylinder convenient to dismouting, is including screw rod, the multistage that is used for crowded material set up the feed cylinder on the processing route side by side and the support that is used for the fixed stay feed cylinder, the feed cylinder is including the barrel, set up the shell outside the barrel and be used for heating the heating pipe of barrel, barrel both ends fixedly connected with sets up the flange at the shell both ends, can dismantle the connection through the flange between the feed cylinder, the support upside is provided with the track corresponding with the processing route, the shell downside is provided with the slider with track matched with, shell and slider are for dismantling the connection.

Further, a closed ring for heat insulation is arranged outside the flange.

Further, the flanges are fixedly connected through screws.

Furthermore, the heating pipes are wound on the outer side of the cylinder body or are uniformly distributed on the outer side wall of the cylinder body.

Further, the shell comprises an upper shell and a lower shell, one side of the upper shell is rotatably connected with the lower shell, the other side of the upper shell is provided with a first lock body, and one corresponding side of the lower shell is provided with a second lock body matched with the first lock body.

Further, the inner side wall of the shell is provided with a vacuum heat insulation layer.

Further, each charging barrel is provided with 2 or more sliding blocks at the lower side.

Further, the inner diameter of the cylinder is 0.2-0.4 mm larger than the diameter of the screw.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model provides an extruder feed cylinder convenient to dismouting, the feed cylinder of sectional type is convenient for produce, reduces the requirement to processing equipment and place, and easy dismounting saves installation time and maintenance time greatly moreover, only needs to maintain or change to damaged one section, reduces the cost of maintenance, saves space moreover, conveniently removes the transportation.

Drawings

Fig. 1 is a schematic distribution diagram of the present invention.

Fig. 2 is a cross-sectional view of the cartridge of the present invention.

In the figure: the device comprises a screw 1, a charging barrel 2, a bracket 3, a sliding block 20, a barrel body 21, a shell 22, a heating pipe 23, a flange 24, a rail 30, a first lock body 201, a second lock body 202, a vacuum heat insulation layer 220, an upper shell 221, a lower shell 222 and a closed ring 240.

Detailed Description

The present invention will be further explained with reference to the accompanying drawings:

in the description of the present invention, it is to be understood that the terms "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "inner," and the like are used in the orientation or positional relationship indicated in the drawings, merely for the purpose of describing the invention and simplifying the description, and are not intended to indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting of the invention.

As shown in the attached drawings, the extruder charging barrel convenient to disassemble and assemble comprises a screw rod 1 for extruding materials, a plurality of charging barrels 2 arranged on a processing route in parallel and a bracket 3 for fixedly supporting the charging barrels 2, wherein the screw rod 1 corresponds to the center of the charging barrel 2, the charging barrel 2 is sequentially arranged according to functions and can be divided into a preheating section, a plasticizing section and a metering section, the number of the charging barrels 2 applied according to different extruder specifications is different, at least 3 charging barrels are arranged according to the number of the preheating section, the plasticizing section and the metering section, the charging barrel 2 comprises a barrel body 21, a shell 22 arranged outside the barrel body 21 and a heating pipe 23 for heating the barrel body 21, flanges 24 arranged at two ends of the shell 22 are fixedly connected at two ends of the barrel body 21, the flanges 24 of each barrel body 21 are the same in size, holes are annularly arranged at the outer side of the flanges 24, the charging barrels 2 are detachably connected through the flanges 24, a track 30 corresponding to the processing route is arranged at the upper side of the bracket 3, the shell 22 downside is provided with slider 20 with track 30 matched with, shell 22 and slider 20 are for dismantling the connection, slider 20 passes through screw fixed mounting at shell 22 downside, and shell 22 downside is equipped with the thread groove, and slider 20 aims at thread groove position installation to utilize the screw fixation, make things convenient for the dismouting, the slider 20 that people need maintain single feed cylinder 2 and can demolish this feed cylinder 2 and set up down is connected to and connect around the split flange 24, lift shell 22 and can take out whole feed cylinder 2.

The utility model relates to an extruder feed cylinder convenient to dismouting, the feed cylinder 2 of sectional type are convenient for produce, reduce the requirement to processing equipment and place, and easy dismounting saves installation time and maintenance time greatly moreover, only needs to maintain or change to damaged one section, reduces the cost of maintenance, saves space moreover, conveniently removes the transportation.

In this embodiment, as shown in fig. 1, a sealing ring 240 for heat insulation is disposed outside the flange 24, the sealing ring 240 mainly prevents heat from escaping from a gap between the flanges 24, so as to ensure that the temperature of the cartridge 2 is not lost, the sealing ring 240 is formed by interconnecting two semicircular rings, which can be connected by a snap fit, a heat insulation pad can be disposed between the flanges 24, a through hole of the heat insulation pad corresponds to the flanges 24, and is directly clamped between the flanges 24, and the flanges 24 are fixed to fix the heat insulation pad.

In this embodiment, the flanges 24 are fixedly connected through screws, and are conveniently mounted or dismounted through the screws, so that the maintenance is convenient, people only need to dismount one worn section, holes are formed in the flanges 24, and screws extend out of the inside of the shell 22, penetrate through the flanges 24, enter the inside of the next shell 22 and are locked, and the corresponding flanges 24 and the shell 22 are connected.

In this embodiment, as shown in fig. 2, the heating pipe 23 is wound on the outer side of the cylinder 21 or the heating pipe 23 is uniformly distributed on the outer side wall of the cylinder 21, fig. 2 only shows the manner that the heating pipe 23 is wound on the outer side of the cylinder 21, the cylinder 21 is heated by the heating pipe 23, the heating pipe 23 is uniformly distributed on the cylinder 21, so that the cylinder 21 is better heated, the heating pipe 23 extends downwards to form the outer shell 22, the heating pipe 23 can be connected with steam, and the steam heating manner or the heating wire can be directly used.

In this embodiment, as shown in fig. 1, the housing 22 is composed of an upper housing 221 and a lower housing 222, one side of the upper housing 221 is rotatably connected to the lower housing 222, the other side of the upper housing 221 is provided with a first lock 201, the lower housing 222 is provided with a second lock 202 matched with the first lock 201 on the corresponding side, the upper housing 221 and the lower housing 222 are provided with locks, the provided locks can be snap-connected locks, the first lock 201 is a snap ring, the second lock 202 is a protruding block for locking the snap ring, or two protruding blocks with corresponding through holes, and are fixed by inserting screws through the through holes of the locks, which is more beneficial for disassembling and assembling the cylinder 21 in the housing, and the structure in the housing, the two sides of the housing 22 are provided with openings corresponding to the cylinder 21, and the cylinder 21 is assembled by opening the upper housing 221 and placing the flange 24 outside the housing 22.

In this embodiment, the inner sidewall of the housing 22 is provided with a vacuum thermal insulation layer 220, the vacuum thermal insulation layer 220 mainly plays a thermal insulation role, so as to prevent heat loss in the housing 22, and the vacuum thermal insulation layer 220 can be directly attached to and cover the inner sidewall of the housing 22.

In this embodiment, every 2 downside of feed cylinder all are provided with 2 or more slider 20, set up 2 or more mainly can let feed cylinder 2 more steady move on 3 tracks 30 of support, can be more firm after fixed feed cylinder 2 moreover, prevent that feed cylinder 2 from trembling seriously, slider 20 numbers can be add around 2 multiples, if 2, 4 correspond the setting such as.

In the embodiment, the inner diameter of the cylinder 21 is 0.2-0.4 mm larger than the diameter of the screw 1, the diameter difference is particularly suitable for the movement of the screw 1, the screw 1 is easily abraded when the diameter is too small, and the productivity of the screw 1 is reduced when the diameter is too large.

The following are embodiments of the present invention: a extruder charging barrel convenient to disassemble and assemble is characterized in that a support 3 is fixed, a rail 30 is arranged on a processing line, a sliding block 20 is arranged on each section of charging barrel 2, the sliding block 20 is matched with the rail 30 to enable the charging barrel 2 to slide on the support 3, each section of charging barrel 2 is connected with each section of charging barrel 2 through a flange 24 after being arranged on the rail 30, a screw 1 is inserted into the charging barrel 2 after the charging barrel 2 is fixed, a sealed shell 22 is connected with a heating pipe 23, particle raw materials enter the charging barrel 2, the heating pipe 23 starts to heat each section of charging barrel 2, the preheating section starts to preheat the particle raw materials, the charging barrel 2 of the plasticizing section is conveyed to the plasticizing section in a matching mode with the screw 1, the charging barrel 2 of the plasticizing section compresses to plasticize the particle raw materials under the action of the screw 1, the raw materials become plasticized liquid and enter the charging barrel 2 of the metering section, the temperature of the charging barrel 2 of the metering section is the same as that of the charging barrel 2 of the plasticizing section, the raw materials are conveyed out of the charging barrel 2 of the extruding table in a fixed amount, simple to operate and sound construction.

When one section of the charging barrel 2 is damaged and needs to be maintained, the extruder is firstly in a stop state, the screw 1 is drawn out after heat is dissipated, then the connection between the sliding block 20 and the shell 22 is disassembled from the bottom of the track 30, the sliding block 20 is remained on the track 30, the upper shell 221 is opened, the connection between the flanges 24 is disassembled, the upper shell 221 is closed, the charging barrel 2 is lifted out by using a tool such as a suspension arm, and the barrel 21 can be taken out for maintenance, or the upper shell 221 can be directly opened for maintenance in simple maintenance.

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 (8)

1. The utility model provides an extruder feed cylinder convenient to dismouting which characterized in that: including screw rod (1), the multistage that is used for crowded material set up feed cylinder (2) on the processing route side by side and support (3) that are used for fixed stay feed cylinder (2), feed cylinder (2) including barrel (21), set up shell (22) outside barrel (21) and be used for heating pipe (23) of barrel (21), barrel (21) both ends fixedly connected with sets up flange (24) at shell (22) both ends, can dismantle the connection through flange (24) between feed cylinder (2), support (3) upside is provided with track (30) corresponding with the processing route, shell (22) downside is provided with and tracks (30) matched with slider (20), shell (22) and slider (20) are for dismantling the connection.

2. A readily removable extruder barrel according to claim 1 wherein: and a closed ring (240) for heat insulation is arranged outside the flange (24).

3. A readily removable extruder barrel according to claim 1 wherein: the flanges (24) are fixedly connected through screws.

4. A readily removable extruder barrel according to claim 1 wherein: the heating pipes (23) are wound on the outer side of the cylinder body (21) or the heating pipes (23) are uniformly distributed on the outer side wall of the cylinder body (21).

5. A readily removable extruder barrel according to claim 1 wherein: the shell (22) is composed of an upper shell (221) and a lower shell (222), one side of the upper shell (221) is rotatably connected with the lower shell (222), a first lock body (201) is arranged on the other side of the upper shell, and a second lock body (202) matched with the first lock body (201) is arranged on one corresponding side of the lower shell (222).

6. A readily removable extruder barrel according to claim 1 wherein: the inner side wall of the shell (22) is provided with a vacuum heat insulation layer (220).

7. A readily removable extruder barrel according to claim 1 wherein: each charging barrel (2) is provided with 2 or more sliding blocks (20) at the lower side.

8. A readily removable extruder barrel according to claim 1 wherein: the inner diameter of the cylinder (21) is 0.2-0.4 mm larger than the diameter of the screw (1).

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