CN211216453U

CN211216453U - Vacuum kneading machine

Info

Publication number: CN211216453U
Application number: CN201922013700.5U
Authority: CN
Inventors: 朱剑; 孙冰
Original assignee: Chongqing Baoguang Vehicle Material Co ltd
Current assignee: Chongqing Baoguang Vehicle Material Co ltd
Priority date: 2019-11-20
Filing date: 2019-11-20
Publication date: 2020-08-11
Anticipated expiration: 2029-11-20

Abstract

The utility model belongs to the technical field of plastic processing equipment, in particular to a vacuum kneading machine, which comprises a driving mechanism, a feed bin, a flip cylinder, a sealing cover and a vacuum device; the driving mechanism comprises a driving motor, the output end of the driving motor is connected with a belt pulley, the other end of the belt pulley is connected with a speed reducer, the driving motor and the speed reducer are in transmission connection through the belt pulley, and the output end of the speed reducer is connected with a coupling box; the journal box penetrates through the interior of the storage bin; the vacuum pipeline is designed in a three-section mode, and the middle section adopts a corrugated pipe with bending performance, so that the corrugated pipe can be deformed along with the overturning and opening of the sealing cover, and the bending and the breakage of the pipeline caused by the overturning are prevented; put into the inside branch pipe of bleeding of feed bin and adopt U type design, the open end is kept away from plastics up and is placed the region, begins the suction by feed bin top gas, and the wide-mouth dish design improves gaseous suction volume, and the isolated dust of filter screen and plastic granules keep the clean in the vacuum line, effectively prevent to block up.

Description

Vacuum kneading machine

Technical Field

The utility model relates to a plastic processing equipment technical field especially relates to a vacuum kneading machine.

Background

The vacuum kneading machine is a kneading machine which can ensure the vacuum degree in a box body when materials are stirred, plastic raw materials need to be treated in the vacuum kneading machine when being processed, and the vacuum kneading machine rotates by two stirring paddles with different rotating speeds and opposite rotating directions according to a certain rule to stir the materials so as to complete the stirring and mixing of the materials.

The technical problems in the prior art are as follows:

1. a vacuumizing pipeline of the existing vacuum kneader is arranged on a sealing cover at the top of a storage bin, and when the sealing cover is turned over and opened, the pipeline is bent and has hidden danger of breakage, so that the subsequent use is influenced;

2. when the existing vacuum pipeline carries out vacuumizing operation in a storage bin, plastic particles and dust are mixed under suction to enter the pipeline, so that the pipeline is easily blocked, and the vacuumizing operation effect is influenced.

In order to solve the above problems, a vacuum kneader is proposed in the present application.

SUMMERY OF THE UTILITY MODEL

Objects of the invention

For solving the technical problem that exists among the background art, the utility model provides a vacuum kneading machine, the utility model discloses a vacuum pipeline is the syllogic design, and the bellows that has bending performance is adopted in the middle section, can open along with sealed lid upset and carry out deformation, prevents to cause the pipeline fracture of buckling because of the upset, puts into the inside branch pipe of bleeding of feed bin simultaneously and adopts U type design, and the open end is kept away from plastics up and is placed the region, begin the suction by the feed bin top is gaseous, the wide-mouth dish design improves gaseous suction volume, the isolated dust of filter screen and plastic granules, keep the clean in the vacuum pipeline, effectively prevent to block up.

(II) technical scheme

In order to solve the problems, the utility model provides a vacuum kneading machine, which comprises a driving mechanism, a feed bin, a flip cylinder, a sealing cover and a vacuum device;

the driving mechanism comprises a driving motor, the output end of the driving motor is connected with a belt pulley, the other end of the belt pulley is connected with a speed reducer, the driving motor and the speed reducer are in transmission connection through the belt pulley, and the output end of the speed reducer is connected with a coupling box;

the coupling box penetrates through the interior of the storage bin, a flip cylinder is arranged behind the storage bin, and an output end ejector rod of the flip cylinder is connected with the sealing cover positioned at the top of the storage bin;

one side of feed bin is provided with vacuum apparatus, vacuum apparatus includes vacuum pump, air source jar, blast pipe, breathing pipe, bellows, tee bend spare and the branch pipe of bleeding, the vacuum pump with the air source jar is located one side of feed bin, the vacuum pump exhaust end pass through the blast pipe with air source jar fixed connection, the vacuum pump is given vent to anger the end and is connected the breathing pipe, be connected with hollow bellows on the breathing pipe, the other end of bellows is connected the tee bend spare, the branch pipe of bleeding is connected respectively to the remaining both ends branch pipe of tee bend spare, the branch pipe of bleeding penetrates the one end of sealed lid is the U type structure, and is connected with outer expanding wide-mouthed disc.

Preferably, the interior of feed bin is provided with two sets of relative pivoted spiral shafts, the branch of bleeding is located the top of two sets of spiral shafts.

Preferably, the pipe diameters of the air suction pipe, the corrugated pipe and the air suction branch pipe are the same.

Preferably, the corrugated pipe is a plastic component, and sealing elements are sleeved at the joints of the corrugated pipe, the air suction pipe and the three-way piece.

Preferably, the inner wall of the wide-mouth plate is embedded with a filter screen with the same inner diameter.

Preferably, the top specification of the storage bin is the same as the bottom specification of the sealing cover.

Preferably, the sealing cover and the output end ejector rod of the flip cylinder are fixed through an L-shaped connecting piece.

The above technical scheme of the utility model has following profitable technological effect:

1. the vacuum pipeline is designed in a three-section mode, and the middle section adopts a corrugated pipe with bending performance, so that the corrugated pipe can be deformed along with the overturning and opening of the sealing cover, and the bending and the breakage of the pipeline caused by the overturning are prevented;

2. put into the inside branch pipe of bleeding of feed bin and adopt U type design, the open end is kept away from plastics up and is placed the region, begins the suction by feed bin top gas, and the wide-mouth dish design improves gaseous suction volume, and the isolated dust of filter screen and plastic granules keep the clean in the vacuum line, effectively prevent to block up.

Drawings

Fig. 1 is a schematic top view of a vacuum kneader according to the present invention.

Fig. 2 is a schematic front view of the vacuum kneader according to the present invention.

Fig. 3 is a schematic view of a connection structure between a vacuum device and a storage bin in the vacuum kneader provided by the present invention.

Fig. 4 is an enlarged schematic view of a structure a in the vacuum kneader provided by the present invention.

Fig. 5 is a schematic view of a structure of a wide-mouth plate in the vacuum kneader provided by the present invention.

Reference numerals:

1. a drive mechanism; 11. a drive motor; 12. a belt pulley; 13. a speed reducer; 14. a coupling box; 2. a storage bin; 3. a cover-turning cylinder; 4. a sealing cover; 5. a vacuum device; 51. a vacuum pump; 52. a gas source tank; 53. an exhaust pipe; 54. an air intake duct; 55. a bellows; 56. a tee fitting; 57. an air exhaust branch pipe; 58. a wide-mouth disc; 581. and (5) filtering by using a filter screen.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in detail with reference to the accompanying drawings. It should be understood that the description is intended to be illustrative only and is not intended to limit the scope of the present invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.

As shown in fig. 1-5, the vacuum kneader provided by the present invention comprises a driving mechanism 1, a storage bin 2, a flip cylinder 3, a sealing cover 4 and a vacuum device 5;

the driving mechanism 1 comprises a driving motor 11, the output end of the driving motor 11 is connected with a belt pulley 12, the other end of the belt pulley 12 is connected with a speed reducer 13, the driving motor 11 and the speed reducer 13 are in transmission connection through the belt pulley 12, and the output end of the speed reducer 13 is connected with a coupling box 14;

the coupling box 14 runs through the inside of the stock bin 2, one side of the stock bin 2 is provided with the vacuum device 5, the vacuum device 5 comprises a vacuum pump 51, an air source tank 52, an exhaust pipe 53, an air suction pipe 54, a corrugated pipe 55, a tee joint 56 and an air suction branch pipe 57, the vacuum pump 51 and the air source tank 52 are positioned on one side of the stock bin 2, the exhaust end of the vacuum pump 51 is fixedly connected with the air source tank 52 through the exhaust pipe 53, the air outlet end of the vacuum pump 51 is connected with the air suction pipe 54, the air suction pipe 54 is connected with the hollow corrugated pipe 55, the other end of the corrugated pipe 55 is connected with the tee joint 56, the remaining two end branch pipes of the tee joint 56 are respectively connected with the air suction branch pipe 57, the pipe 54, the pipe.

It should be noted that: the inside of feed bin 2 is provided with two sets of relative pivoted spiral shell axles, and branch 57 of bleeding is located the top of two sets of spiral shell axles, and the one end that branch 57 of bleeding penetrated sealed lid 4 is U type structure, and is connected with the wide-mouth dish 58 that expands outward, and wide-mouth dish 58 open end up, the preferential gas that inhales 2 tops of feed bin, remaining gaseous come-up continues to be adsorbed by wide-mouth dish 58 department, easily inhales dust and plastic granules when preventing the opening from inhaling gas down.

In an alternative embodiment, the bellows 55 is a plastic component, and the joints of the bellows 55 and the suction pipe 54 and the tee 56 are sleeved with sealing members, and the sealing members seal the gaps at the joints of the bellows 55 and the suction pipe 54 and the tee 56 by using a hot melting manner, so as to prevent gas leakage from affecting the pipeline pressure.

In an alternative embodiment, a filter screen 581 with the same inner diameter as the inner diameter is embedded in the inner wall of the wide-mouth tray 58, and the filter screen 581 isolates dust and plastic particles in the suction pipeline, so that the cleanness in the vacuum pipeline is kept, and blockage is effectively prevented.

In the utility model, when kneading plastic particles, the vacuum pump 51 is started, the suction pipe 54 at the suction end of the vacuum pump 51, the bellows 55 and the three-way piece 56 are connected to two air exhaust branch pipes 57 for cooperation, the air in the storage bin 2 is sucked, during the air exhaust process, the U-shaped air exhaust branch pipe 57 with the upward opening sucks the air above the interior of the storage bin 2 through the expanded wide-mouth disc 58, a small amount of dust and plastic particles mixed in the sucked air are filtered by the filter screen 581, the cleanliness of the sucked pipeline air is kept, the air in the pipeline is discharged into the air source tank 52 by the exhaust pipe 53 connected with the exhaust end of the vacuum pump 51 for storage, and the processing space between the sealing covers 4 of the storage bin 2 is in a vacuum environment;

when the sealing cover 4 is turned and opened, the corrugated pipe 55 is deformed by external bending force, the corrugated pipe 55 has bending deformation performance for a plastic component, and the corrugated external force brought by the turning action in the stroke of the flip cylinder 3 cannot damage the corrugated pipe 55, so that the vacuum pipeline can be stably used.

As shown in fig. 2, a flip cylinder 3 is arranged behind the bin 2, an output end ejector rod of the flip cylinder 3 is connected with a sealing cover 4 positioned at the top of the bin 2, the top specification of the bin 2 is the same as the bottom specification of the sealing cover 4, and the sealing cover 4 can seal the opening at the top of the bin 2.

In an alternative embodiment, the sealing cover 4 and the output end mandril of the flip cylinder 3 are fixed through an L-shaped connecting piece.

It should be noted that, the output end ejector rod of the flip cylinder 3 is pushed and extended to drive the sealing cover 4 connected with the L-shaped connecting piece to rotate through the rotating shaft, and the flip sealing cover 4 opens the stock bin 2 for taking or discharging materials inside the stock bin 2.

As shown in fig. 4, the end of the exhaust branch pipe 57 inserted into the sealing cover 4 is U-shaped, and the air inlet direction of the open end wide-mouth disc 58 is upward, and is opposite to the plastic particles placed inside the bin 2, and preferentially sucks the air above the inside of the bin.

As shown in fig. 5, a filter screen 581 having the same inner diameter is embedded in the inner wall of the wide-mouth tray 58.

It should be noted that: the filter screen 581 is fixed by inserting a support rod into a support rod groove arranged on the inner wall of the wide-mouth disc 58, and when the filter screen 581 is dirty, the filter screen 581 can be detached for replacement

It is to be understood that the above-described embodiments of the present invention are merely illustrative of or explaining the principles of the invention and are not to be construed as limiting the invention. Therefore, any modification, equivalent replacement, improvement and the like made without departing from the spirit and scope of the present invention should be included in the protection scope of the present invention. Further, it is intended that the appended claims cover all such variations and modifications as fall within the scope and boundaries of the appended claims or the equivalents of such scope and boundaries.

Claims

1. A vacuum kneader is characterized by comprising a driving mechanism (1), a storage bin (2), a flip cylinder (3), a sealing cover (4) and a vacuum device (5);

the driving mechanism (1) comprises a driving motor (11), the output end of the driving motor (11) is connected with a belt pulley (12), the other end of the belt pulley (12) is connected with a speed reducer (13), the driving motor (11) and the speed reducer (13) are in transmission connection through the belt pulley (12), and the output end of the speed reducer (13) is connected with a coupling box (14);

the coupling box (14) penetrates through the interior of the stock bin (2), a flip cylinder (3) is arranged behind the stock bin (2), and an output end ejector rod of the flip cylinder (3) is connected with the sealing cover (4) positioned at the top of the stock bin (2);

the vacuum device (5) is arranged on one side of the storage bin (2), the vacuum device (5) comprises a vacuum pump (51), an air source tank (52), an exhaust pipe (53), an air suction pipe (54), a corrugated pipe (55), a three-way part (56) and an air suction branch pipe (57), the vacuum pump (51) and the air source tank (52) are located on one side of the storage bin (2), the exhaust end of the vacuum pump (51) is fixedly connected with the air source tank (52) through the exhaust pipe (53), the air outlet end of the vacuum pump (51) is connected with the air suction pipe (54), the air suction pipe (54) is connected with a hollow corrugated pipe (55), the other end of the corrugated pipe (55) is connected with the three-way part (56), branch pipes at the rest two ends of the three-way part (56) are respectively connected with the air suction branch pipe (57), and one end of the air suction branch pipe (57, and is connected with an outward-expanding wide-mouth disc (58).

2. The vacuum kneader according to claim 1, characterized in that the interior of the silo (2) is provided with two sets of screw shafts rotating relative to each other, and the suction manifold (57) is located above the two sets of screw shafts.

3. The vacuum kneader according to claim 1, characterized in that the suction pipe (54), the bellows (55) and the suction manifold (57) have the same pipe diameter.

4. The vacuum kneader according to claim 1, characterized in that the bellows (55) is a plastic component and that the connections of the bellows (55) with the suction pipe (54) and the tee (56) are each provided with a seal.

5. The vacuum kneader according to claim 1, characterized in that the inner wall of the wide-mouth plate (58) is embedded with a screen (581) having the same inner diameter.

6. The vacuum kneader according to claim 1, characterized in that the top dimension of the silo (2) and the bottom dimension of the sealing cover (4) are identical.

7. The vacuum kneader according to claim 1, characterized in that the sealing cover (4) and the output ram of the flap cylinder (3) are fixed by means of an L-shaped connecting piece.