CN220263755U

CN220263755U - Pressure maintaining discharging barrel

Info

Publication number: CN220263755U
Application number: CN202321921859.7U
Authority: CN
Inventors: 方敏
Original assignee: Hangzhou Plastic Machinery Co ltd
Current assignee: Hangzhou Plastic Machinery Co ltd
Priority date: 2023-07-20
Filing date: 2023-07-20
Publication date: 2023-12-29
Anticipated expiration: 2033-07-20

Abstract

The utility model discloses a pressure maintaining discharging barrel which comprises a barrel body, wherein a feeding device is arranged at the top of the barrel body, an air inlet and outlet device is further arranged at the top of the barrel body, and the pressure maintaining discharging barrel is characterized in that a discharging bottom plate is arranged at the bottom of the barrel body, a plurality of connectors are arranged in the discharging bottom plate, a pushing device is arranged in the discharging bottom plate, a drawing plate is arranged in the barrel body, a sealing device is arranged in the drawing plate, the pushing device drives the drawing plate to lift so as to enable the sealing device to seal and open the connectors, the sealing cone heads can control the on-off of the connectors by utilizing the lifting of the drawing plate through a single air cylinder, and the internal holes of the connectors can be effectively sealed and propped against through the structural design of bolts, springs and sealing cone heads, so that the pressure maintaining performance of the pressure maintaining barrel is greatly improved.

Description

Pressure maintaining discharging barrel

Technical Field

The utility model relates to the technical field of related plastic processing equipment, in particular to a pressure maintaining discharging barrel.

Background

Most of the existing discharging barrels have no pressure maintaining function, and have high requirements on the tightness of equipment due to the pressure maintaining function, particularly, the discharging barrels have poor discharging effect due to poor pressure maintaining performance of the discharging barrels, and a great deal of researches are carried out on the discharging barrels due to the fact that the discharging barrels have poor pressure maintaining performance;

for example, chinese patent document "an air cylinder piston sealing type EPP pressure maintaining charging barrel" with application number CN201922197389.4, including the barrel, the barrel top sets up the closing cap, and the barrel bottom sets up welding flange, and welding flange bottom sets up discharge part, its characterized in that: the utility model ensures that high-pressure gas in the cylinder body cannot leak, meets the requirement of EPP storage on air pressure conditions, and effectively ensures the quality of EPP.

Therefore, in the prior art, a large number of cylinders are arranged for the discharging part, so that the cost is high, and the large-scale popularization and use are inconvenient.

Disclosure of Invention

The utility model aims to solve the technical problem of providing a pressure maintaining discharging barrel which can solve the problems in the prior art.

The utility model is realized by the following technical scheme: the pressure maintaining discharging barrel comprises a barrel body, wherein a feeding device is arranged at the top of the barrel body, and an air inlet and outlet device is further arranged at the top of the barrel body.

Further technical scheme, thrust unit including set up in cylinder in the ejection of compact bottom plate, power connection is provided with the cylinder pole in the cylinder, the cylinder pole stretches into in the staving, the cylinder pole top is fixed to be provided with the cylinder connecting piece, the cylinder connecting piece with the drawing flower board is fixed.

According to a further technical scheme, a plurality of guide rods are arranged on the discharging bottom plate, and the guide rods are connected with the drawing plate in a sliding fit mode.

According to a further technical scheme, the sealing device comprises a plurality of bolts movably sleeved in the embossing plate, sealing conical heads are arranged at the bottoms of the bolts in a threaded fit mode, and springs are sleeved between the sealing conical heads and the embossing plate.

According to a further technical scheme, the bottom of the outer surface of the sealing conical head is provided with a conical surface, and when the sealing conical head abuts against the inner hole of the joint, the conical surface abuts against the inner hole to be blocked.

According to a further technical scheme, a plurality of through holes are formed in the embossed plate, and a plurality of concave holes are formed in the outer surface of the embossed plate.

According to a further technical scheme, the feeding device comprises a feeding valve which is further arranged at the top of the barrel body.

Further technical scheme, advance exhaust apparatus includes the last straight tube that the staving top set up, upward straight tube one side intercommunication is provided with the breather pipe, it is provided with the return bend to go up straight tube top, return bend one side intercommunication is provided with the discharge valve, discharge valve one side is provided with the silencer, the interior bottom of going up the straight tube is provided with the filter screen, the filter screen is located in the staving.

According to a further technical scheme, a connecting pipe is further arranged on the outer surface of the lower side of the barrel body, and a switch valve is arranged in the connecting pipe.

The beneficial effects of the utility model are as follows:

1. utilize single cylinder, through control the cylinder pole drives the drawing board goes up and down to remove, makes the structure that drawing board, bolt, spring and sealed conical head constitute to connect carries out on-off control, makes when keeping good leakproofness, has improved the control effect that connects to carry out the ejection of compact to compared in the control of a plurality of cylinders, it has used single cylinder, and the cost is lower.

2. The sealing cone head is sleeved on the outer surface of the bolt in a threaded manner, the spring is connected between the sealing cone head and the pattern drawing plate, the pattern drawing plate can be used for pressing the spring after moving downwards, the sealing cone head can be tightly attached to one side of an inner hole of the joint, the inner hole of the joint is completely sealed by the sealing cone head, and the pressure maintaining performance of equipment is improved.

3. The design of the through holes and the concave holes is utilized, so that materials can be effectively guided downwards.

Drawings

For ease of illustration, the utility model is described in detail by the following specific examples and figures.

FIG. 1 is a schematic diagram of the whole structure of a pressure maintaining discharge barrel;

FIG. 2 is a schematic cross-sectional view of the apparatus of FIG. 1;

FIG. 3 is a schematic diagram of FIG. 2 at another B;

FIG. 4 is a schematic diagram at C in FIG. 3;

in the drawing, an observation window 11, a barrel body 12, a discharge bottom plate 13, a switch valve 14, a connecting pipe 15, a connecting seat 16, an upper straight pipe 18, a muffler 19, an exhaust valve 21, a feed valve 22, a vent pipe 23, a filter screen 34, a cylinder connecting piece 41, a guide rod 42, a drawing plate 43, a cylinder 44, a cylinder rod 45, a through hole 46, a concave hole 47, a bolt 51, a sealing cone 52, a joint 53 and a spring 55.

Detailed Description

The present utility model will be described in detail with reference to fig. 1 to 4, and for convenience of description, the following orientations will be defined as follows: the pressure-maintaining discharging barrel comprises a barrel body 12, wherein a flange plate is arranged at the bottom of the barrel body 12, an upper straight pipe 18 is arranged at the top of the barrel body 12, one side of the upper straight pipe 18 is communicated with a vent pipe 23, a bent pipe 33 is arranged at the top of the upper straight pipe 18, an exhaust valve 21 is arranged at one side of the bent pipe 33 in a communicated manner, a muffler 19 is arranged at one side of the exhaust valve 21, a feeding valve 22 is further arranged at the top of the barrel body 12, a filter screen 34 is arranged at the inner bottom of the upper straight pipe 18, the filter screen 34 is positioned in the barrel body 12, a connecting pipe 15 is further arranged at the outer surface of the lower side of the barrel body 12, a switching valve 14 is arranged in the connecting pipe 15, the feeding valve 22 is used for controlling the feeding of materials, the exhaust structure is formed by the exhaust valve 21, the exhaust pipe 19 and the bent pipe 33, the pressure in the barrel body 12 is increased by introducing gas at one side of the vent pipe 23 and the filter screen 34, a plurality of observation windows 11 are further arranged on the outer surface of the barrel body 12 for pushing the materials, and the observation windows 11 are used for the overhaul and observation.

Advantageously, the barrel 12 is further provided with a connecting seat 16 on one side, the connecting seat 16 facilitating the installation and placement of the device.

The utility model has the advantages that, wherein, staving 12 bottom ring flange downside is connected with ejection of compact bottom plate 13, is provided with a plurality of joints 53 in the ejection of compact bottom plate 13, connects 53 through the screw thread with ejection of compact bottom plate 13 carry out screw-fit connection, connect 53 and the inside intercommunication of staving 12, realize after the material is piled up in staving 12 bottom, under the air pressure effect, realize the function that the material extruded in the joint 53.

The utility model has the advantages of, wherein, be provided with the drawing board 43 in staving 12 bottom inboard, drawing board 43 lift removes, be provided with a plurality of bolts 51 that are opposite with joint 53 in the drawing board 43, in the hole in drawing board 43 was located to bolt 51 cover, bolt 51 bottom screw-thread fit is provided with sealed conical head 52, sealed conical head 52 bottom surface is provided with the conical surface, the cover is equipped with spring 55 between sealed conical head 52 and the drawing board 43, sealed conical head 52 is screwed in the bolt 51 surface, with spring 55 offset in the downside of drawing board 43, sealed conical head 52 is opposite with joint 53, joint 53 communicates with staving 12 inside, utilize the conical surface of sealed conical head 52 surface to offset joint 53 internal hole with the top of joint 53 internal hole and block, the bolt 51 outside is provided with the sleeve that is located drawing board 43 internal hole.

The utility model has the advantages that, wherein, the bottom of ejection of compact bottom plate 13 is provided with cylinder 44, and power connection is provided with cylinder pole 45 in the cylinder 44, and in cylinder pole 45 stretched into staving 12 after sliding through ejection of compact bottom plate 13, cylinder connecting piece 41 is fixedly provided with at the top of cylinder pole 45, and cylinder connecting piece 41 is connected with the fixed cooperation of drawing board 43, utilizes single cylinder 44 can carry out on-off control through drawing board 43 and the sealed conical head 52 of one side to the joint 53 of all positions.

Advantageously, a plurality of guide rods 42 are provided on the discharge bottom 13, the guide rods 42 being connected in a sliding fit to the embossing plate 43.

The utility model has the advantages that, a plurality of perforations 46 are arranged inside the embossing plate 43, the perforations 46 are distributed in the embossing plate 43 in a circular array of the circle center of the embossing plate 43, a plurality of concave holes 47 are arranged on the outer surface of the embossing plate 43, the concave holes 47 are arranged between two adjacent perforations 46, the concave holes 47 are also distributed in the embossing plate 43 in a circular array of the circle center of the embossing plate 43, and materials can be guided to the bottom position of the barrel body 12 by the perforations 46 and the concave holes 47.

In the initial state, the device, the assembly and the structure are in a stop working state, the equipment enables the plurality of sealing conical heads 52 to control the on-off of the plurality of joints 53 by using the lifting of the drawing plate 43 through the single cylinder 44, and the internal holes of the joints 53 can be effectively sealed and propped against through the structural design of the bolts 51, the springs 55 and the sealing conical heads 52, so that the pressure maintaining performance of the equipment is greatly improved.

The filter screen 34 serves to separate the material from the air that is introduced, and to prevent the material from entering the interior of the upper straight tube 18.

The introduced material is a foaming material, which has fluidity and is deposited at the bottom of the tub 12 under the action of high pressure and gravity.

The muffler 19 is used to effectively reduce the sound of exhaust gas when the exhaust valve 21 is performing the exhaust pressure.

The material is filled after the feeding valve 22 is opened, the material is piled in the barrel body 12, then high-pressure gas is filled from one side of the vent pipe 23, passes through the upper straight pipe 18 and then enters the filter screen 34 and is diffused into the barrel body 12, after the air cylinder 44 works, the air cylinder rod 45 is used for driving the drawing plate 43 to move upwards, the drawing plate 43 is moved to drive the sealing cone head 52 to release the sealing of the inner hole of the joint 53, and at the moment, under the action of high-pressure air, the material is extruded from the inside of the joint 53, so that discharging work is completed.

The on-off valve 14 can be used for discharging all materials quickly after being opened, and the high-pressure gas is needed to push the materials to be discharged from one side of the on-off valve 14.

The above is merely a specific embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any changes or substitutions that do not undergo the inventive work should be covered in the scope of the present utility model. Therefore, the protection scope of the present utility model should be subject to the protection scope defined by the claims.

Claims

1. The utility model provides a pressurize ejection of compact bucket, includes staving (12), staving (12) top is provided with feed arrangement, staving (12) top still is provided with into exhaust apparatus, a serial communication port, staving (12) bottom is provided with ejection of compact bottom plate (13), be provided with a plurality of joints (53) in ejection of compact bottom plate (13), be provided with thrust unit in ejection of compact bottom plate (13), be provided with in staving (12) and draw colored board (43), be provided with sealing device in drawing colored board (43), thrust unit drive draws colored board (43) to go up and down to remove and make sealing device to connect (53) seal and open.

2. The pressure maintaining discharge barrel as claimed in claim 1, wherein: the pushing device comprises an air cylinder (44) arranged in the discharging bottom plate (13), an air cylinder rod (45) is arranged in the air cylinder (44) in a power connection mode, the air cylinder rod (45) stretches into the barrel body (12), an air cylinder connecting piece (41) is fixedly arranged at the top end of the air cylinder rod (45), and the air cylinder connecting piece (41) is fixed with the drawing plate (43).

3. The pressure maintaining discharge barrel as claimed in claim 1, wherein: a plurality of guide rods (42) are arranged on the discharging bottom plate (13), and the guide rods (42) are connected with the drawing plate (43) in a sliding fit mode.

4. The pressure maintaining discharge barrel as claimed in claim 1, wherein: the sealing device comprises a plurality of bolts (51) movably sleeved in the pattern drawing plate (43), sealing conical heads (52) are arranged at the bottoms of the bolts (51) in a threaded fit mode, and springs (55) are sleeved between the sealing conical heads (52) and the pattern drawing plate (43).

5. The pressure maintaining discharge barrel as claimed in claim 4, wherein: the bottom of the outer surface of the sealing conical head (52) is provided with a conical surface, and when the sealing conical head (52) abuts against the inner hole of the joint (53), the conical surface abuts against the inner hole to be blocked.

6. A pressure maintaining discharge barrel according to any one of claims 1 to 5, wherein: the pattern drawing plate (43) is internally provided with a plurality of through holes (46), and the outer surface of the pattern drawing plate (43) is provided with a plurality of concave holes (47).

7. A pressure maintaining discharge barrel according to any one of claims 1 to 5, wherein: the feeding device comprises a feeding valve (22) which is further arranged at the top of the barrel body (12).

8. A pressure maintaining discharge barrel according to any one of claims 1 to 5, wherein: the air inlet and exhaust device comprises an upper straight pipe (18) arranged at the top of the barrel body (12), an air vent pipe (23) is arranged on one side of the upper straight pipe (18) in a communicating manner, an elbow pipe (33) is arranged at the top of the upper straight pipe (18), an exhaust valve (21) is arranged on one side of the elbow pipe (33) in a communicating manner, a muffler (19) is arranged on one side of the exhaust valve (21), a filter screen (34) is arranged at the inner bottom of the upper straight pipe (18), and the filter screen (34) is positioned in the barrel body (12).

9. A pressure maintaining discharge barrel according to any one of claims 1 to 5, wherein: the outer surface of the lower side of the barrel body (12) is also provided with a connecting pipe (15), and a switch valve (14) is arranged in the connecting pipe (15).