Evacuator of pipe extrusion equipment

Abstract

The utility model provides an evacuating device of pipe extrusion equipment, which belongs to the technical field of pipe production and comprises an evacuating pipe, an evacuating head communicated with the evacuating pipe is fixedly connected to the side wall of the evacuating pipe, and the outer end of the evacuating head is detachably connected with a connecting sleeve through a bolt assembly. The outer end of the connecting sleeve is detachably connected with a filter cartridge through a bolt assembly, a filter screen is fixedly connected in the filter cartridge, a cleaning structure used for cleaning the filter screen is arranged in the filter cartridge, the filter cartridge is fixedly connected with a connecting pipe communicated with the filter cartridge, and the evacuation pipe is provided with a first clamping ring and a second clamping ring. Through the arrangement of the filter cartridge, the filter screen and the cleaning structure, the automatic cleaning of the filter screen is realized, the blockage of the filter screen is avoided, the vacuumizing effect is ensured, the cleaning brush can be replaced and can be continuously used, and the problem that the filter screen is inconvenient to clean and prevent blockage in the prior art is solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the pipe production technical field, specifically, relates to a pipe extrusion equipment's evacuation device. BACKGROUND

[0002] In the pipe extrusion production process, the evacuation device plays a vital role, and in the pipe extrusion processing process, low molecular substances in plastic molten material are usually removed by vacuum exhaust to ensure the performance of the material.

[0003] Through the search, in the prior art, patent application number CN202121103199.2 discloses a kind of main vacuum exhaust device of extruder, including extruder main machine and vacuumizing device, the extruder main machine outer side is communicated with exhaust port, the exhaust port top is communicated with piston cylinder, piston cylinder is internally sleeved with piston, the piston top is fixedly connected with piston rod, the piston rod passes through piston cylinder top and is fixedly connected with connecting block after, the piston cylinder top is fixedly installed with electric hydraulic push rod, the free end of electric hydraulic push rod is fixedly connected with connecting block.In the utility model, material is processed in the extruder main machine, piston rod is driven by electric hydraulic push rod to drive piston to move downward in piston cylinder when material is processed in the extruder main machine, and stays below the communication place of vacuumizing pipe and piston cylinder, on the one hand, exhaust port is cut off with vacuumizing pipe, to avoid material into vacuumizing pipe, leading to vacuum failure problem, on the other hand, material in piston cylinder is pressed back into extruder main machine, but still has the following defects:

[0004] (1) the evacuation device in the prior art filters impurities in the extracted gas through filter screen, and the filter screen is prone to blockage during long-term use, so that it is not convenient to clean, and the vacuum effect is affected;

[0005] (2) the evacuation device in the prior art directly discharges the extracted gas outward when in use, which is not convenient for gas purification treatment and is prone to environmental pollution.

[0006] Therefore, we improve it and propose a kind of pipe extrusion equipment's evacuation device. UTILITY MODEL CONTENT

[0007] The utility model aims at: for the problems of filter screen being prone to blockage and affecting vacuum effect and being inconvenient for gas purification.

[0008] In order to realize the above-mentioned utility model purposes, the utility model provides the following technical solutions:

[0009] The evacuation device of the pipe extrusion equipment is used to improve the above-mentioned problems.

[0010] The utility model is specifically as follows:

[0011] The utility model provides an exhaust pipe, the side wall of the exhaust pipe is fixedly connected with the exhaust head communicated with it, the outer end of the exhaust head is detachably connected with the adapter sleeve through the bolt assembly, the outer end of the adapter sleeve is detachably connected with the filter cartridge through the bolt assembly, the filter cartridge is fixedly connected with the filter screen in it, the filter cartridge is equipped with the cleaning structure for cleaning the filter screen, the filter cartridge is fixedly connected with the connecting pipe communicated with it, the exhaust pipe is equipped with the first snap ring and the second snap ring respectively, the first snap ring and the second snap ring are connected through the bolt assembly, the second snap ring is fixedly connected with the bearing plate, the bearing plate is installed with the air pump, the input end of the air pump is fixedly connected with the connecting pipe through the vacuumizing pipe, the output end of the air pump is fixedly connected with the discharge pipe, the end of the discharge pipe is fixedly connected with the purification cartridge, and the purification structure is equipped in the purification cartridge.

[0012] As the preferred technical scheme of the utility model, the cleaning structure includes a motor fixed on the side wall of the filter cartridge, a driving end of the motor penetrates through the side wall of the filter cartridge and is fixedly connected with a transmission shaft, one end of the transmission shaft away from the motor penetrates through the filter screen and is fixedly connected with a mounting head, the mounting head is installed with a cleaning brush, and the mounting head is threadedly connected with a nut.

[0013] As the preferred technical scheme of the utility model, the purification structure includes a filter hopper fixed in the purification cartridge, a bottom end of the filter hopper is fixedly connected with a discharging pipe, the bottom end of the discharging pipe penetrates through the bottom wall of the purification cartridge and extends outward, the bottom of the discharging pipe is threadedly connected with a first screw cap, an upper side of the filter hopper is provided with a shielding cover, the shielding cover is connected with the purification cartridge through the bolt assembly, and a center of the shielding cover is fixedly connected with an exhaust pipe.

[0014] As the preferred technical scheme of the utility model, a plurality of through holes are uniformly arranged on the filter hopper, and the filter hopper is filled with activated carbon particles.

[0015] As the preferred technical scheme of the utility model, an observation port is arranged on the front side wall of the filter cartridge, and a transparent plate is fixedly connected in the observation port.

[0016] As the preferred technical scheme of the utility model, a collecting box is fixedly connected to the bottom of the filter cartridge, a second screw cap is threadedly connected to the bottom of the collecting box, the collecting box is located on the inner side of the filter screen, and a discharging port matched with the collecting box is arranged on the filter cartridge.

[0017] Compared with the prior art, the utility model has the beneficial effects that:

[0018] In the scheme of the utility model:

[0019] 1. Through the filter cartridge, filter screen and cleaning structure arranged, automatic cleaning of the filter screen is realized, the filter screen is prevented from being blocked, the vacuumizing effect is guaranteed, the cleaning brush can be replaced and continuously used, and the problem of inconvenient cleaning and blocking prevention of the filter screen in the prior art is solved.

[0020] 2. Through the purification cartridge and purification structure arranged, the extracted gas is purified, harmful substances in the gas can be effectively adsorbed, direct emission of the gas to pollute the air is avoided, and the problem of inconvenient purification of the gas in the prior art is solved. BRIEF DESCRIPTION OF DRAWINGS

[0021] Figure 1 An overall structure schematic view is provided for the utility model.

[0022] Figure 2 A front view structure schematic view is provided for the utility model.

[0023] Figure 3 A filter cartridge internal structure schematic view is provided for the utility model.

[0024] Figure 4 A cleaning structure schematic view is provided for the utility model.

[0025] Figure 5 A purification structure schematic view is provided for the utility model.

[0026] Figure 6 A rear side structure schematic view is provided for the utility model.

[0027] Indications in the drawing are as follows:

[0028] 1, the vacuum pipe; 2, the vacuum head; 3, the adapter sleeve; 4, the filter cartridge; 5, the filter screen; 6, the cleaning structure; 601, the motor; 602, the transmission shaft; 603, the mounting head; 604, the cleaning brush; 605, the nut; 7, the connecting pipe; 8, the first snap ring; 9, the second snap ring; 10, the bearing plate; 11, the air pump; 12, the vacuum pipe; 13, the discharge pipe; 14, the purification cartridge; 15, the purification structure; 1501, the filter hopper; 1502, the discharge pipe; 1503, the first rotary cover; 1504, the shielding cover; 1505, the exhaust and material replacement pipe; 16, the transparent plate; 17, the collection box; 18, the second rotary cover. DETAILED DESCRIPTION

[0029] In order to make the purpose, technical scheme and advantages of the embodiments of the utility model clearer, the technical scheme in the embodiments of the utility model will be described clearly and completely in combination with the drawings. Obviously, the described embodiments are part of the embodiments of the utility model, rather than all the embodiments.

[0030] AsFigure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 and Figure 6 As shown, this embodiment proposes a vacuum device for a pipe extrusion equipment, including a vacuum pipe 1. A vacuum head 2, communicating with the vacuum pipe 1, is fixedly connected to the side wall of the vacuum pipe 1. A connecting sleeve 3 is detachably connected to the outer end of the vacuum head 2 via a bolt assembly. A filter cylinder 4 is detachably connected to the outer end of the connecting sleeve 3 via a bolt assembly. A filter screen 5 is fixedly connected inside the filter cylinder 4. A cleaning structure 6 for cleaning the filter screen 5 is provided inside the filter cylinder 4. A connecting pipe 7, communicating with the filter cylinder 4, is fixedly connected to the filter cylinder 4. A first retaining ring 8 and a second retaining ring 9 are respectively provided on the vacuum pipe 1. The first retaining ring 8 and the second retaining ring 9 are connected by a bolt assembly. A support plate 10 is fixedly connected to the second retaining ring 9. A vacuum pump 11 is installed on the support plate 10. The input end of the vacuum pump 11 is fixedly connected to the connecting pipe 7 through a vacuum tube 12. The output end of the vacuum pump 11 is fixedly connected to a discharge pipe 13. A purification cylinder 14 is fixedly connected to the end of the discharge pipe 13. A purification structure 15 is provided inside the purification cylinder 14. The vacuum pump 11 enables the vacuum tube 1 to be vacuumed. The filter screen 5 is used to filter impurities that may be generated during the vacuuming process.

[0031] like Figure 1 , Figure 3 and Figure 4 As shown, in a preferred embodiment, based on the above method, the cleaning structure 6 further includes a motor 601 fixed to the side wall of the filter cylinder 4. The drive end of the motor 601 passes through the side wall of the filter cylinder 4 and is fixedly connected to a drive shaft 602. The end of the drive shaft 602 away from the motor 601 passes through the filter screen 5 and is fixedly connected to an mounting head 603. A cleaning brush 604 is mounted on the mounting head 603, and a nut 605 is threadedly connected to the mounting head 603. The motor 601 drives the drive shaft 602 to rotate, thereby driving the cleaning brush 604 to move on the surface of the filter screen 5, effectively removing accumulated impurities. The threaded connection between the mounting head 603 and the nut 605 makes the replacement of the cleaning brush 604 simple and quick.

[0032] like Figure 1 and Figure 5As shown, in a preferred embodiment, based on the above method, the purification structure 15 further includes a filter hopper 1501 fixed inside the purification cylinder 14. A feed pipe 1502 is fixedly connected to the bottom end of the filter hopper 1501. The bottom end of the feed pipe 1502 penetrates the bottom wall of the purification cylinder 14 and extends outward. A first cap 1503 is threadedly connected to the bottom of the feed pipe 1502. A shield 1504 is provided on the upper side of the filter hopper 1501. The shield 1504 is connected to the purification cylinder 14 by a bolt assembly. An exhaust and material replacement pipe 1505 is fixedly connected to the center of the shield 1504. The filter hopper 1501 can be filled with activated carbon particles for further purification of the gas. The activated carbon particles in the filter hopper 1501 can be easily discharged outward through the feed pipe 1502 and the first cap 1503, thereby facilitating the replacement of the activated carbon particles.

[0033] like Figure 5 As shown, in a preferred embodiment, based on the above method, a set of through holes are evenly opened on the filter 1501, and the filter 1501 is filled with activated carbon particles; the activated carbon particles can effectively adsorb harmful substances in the gas.

[0034] like Figure 1 and Figure 2 As shown, in a preferred embodiment, based on the above method, an observation port is further provided on the front side wall of the filter cylinder 4, and a transparent plate 16 is sealed and fixedly connected inside the observation port; so that the operator can intuitively observe the situation inside the filter cylinder 4, conveniently check the collection of impurities inside the collection box 17, and facilitate timely cleaning.

[0035] like Figure 1 , Figure 2 and Figure 3 As shown, in a preferred embodiment, based on the above method, a collection box 17 is fixedly connected to the bottom of the filter cylinder 4, and a second screw cap 18 is threadedly connected to the bottom of the collection box 17. The collection box 17 is located inside the filter screen 5, and a discharge port that cooperates with the collection box 17 is provided on the filter cylinder 4. The collection box 17 can effectively collect impurities that fall from the filter screen 5, and the second screw cap 18 makes it simple and convenient to clean the impurities.

[0036] Specifically, the evacuation device of the pipe extrusion equipment is connected with the evacuation port of the extrusion equipment in use, and then the evacuation pump 11 is started to perform the evacuation operation through the vacuum pipe 12, the connecting pipe 7, the filter cartridge 4, the evacuation head 2 and the evacuation pipe 1, the filter screen 5 allows the low molecular substances in the material to pass through but the material cannot pass through in the evacuation process, the gas is extracted and sent into the purification cartridge 14, the activated carbon particles in the filter 1501 are used for further purification treatment of the gas, when the filter screen 5 needs to be cleaned, the motor 601 drives the transmission shaft 602 to rotate, and then drives the cleaning brush 604 to move on the surface of the filter screen 5 to clean the filter screen 5, and the impurities falling during the cleaning are collected into the collection box 17 for collection.

[0037] All the technical features in the embodiment can be freely combined according to actual needs.

[0038] The above embodiment is a preferred implementation scheme of the utility model, in addition, the utility model can be realized in other ways, and any obvious replacement without departing from the technical scheme concept is within the protection scope of the utility model.

Claims

1. A vacuum device for a pipe extrusion equipment, comprising a vacuum pipe (1), characterized in that, An air extraction head (2) is fixedly connected to the side wall of the air extraction pipe (1) and communicates with it. The outer end of the air extraction head (2) is detachably connected to a connecting sleeve (3) via a bolt assembly. The outer end of the connecting sleeve (3) is detachably connected to a filter cylinder (4) via a bolt assembly. A filter screen (5) is fixedly connected inside the filter cylinder (4). A cleaning structure (6) for cleaning the filter screen (5) is provided inside the filter cylinder (4). A connecting pipe (7) is fixedly connected to the filter cylinder (4) and communicates with it. A first retaining ring (8) is provided on the air extraction pipe (1). The first retaining ring (8) and the second retaining ring (9) are connected by a bolt assembly. A bearing plate (10) is fixedly connected to the second retaining ring (9). A vacuum pump (11) is installed on the bearing plate (10). The input end of the vacuum pump (11) is fixedly connected to the connecting pipe (7) through a vacuum tube (12). The output end of the vacuum pump (11) is fixedly connected to a discharge pipe (13). A purification cylinder (14) is fixedly connected to the end of the discharge pipe (13). A purification structure (15) is provided inside the purification cylinder (14).

2. The vacuum device for a pipe extrusion equipment according to claim 1, characterized in that, The cleaning structure (6) includes a motor (601) fixed on the side wall of the filter cylinder (4). The drive end of the motor (601) passes through the side wall of the filter cylinder (4) and is fixedly connected to a drive shaft (602). The end of the drive shaft (602) away from the motor (601) passes through the filter screen (5) and is fixedly connected to an installation head (603). A cleaning brush (604) is installed on the installation head (603), and a nut (605) is threaded onto the installation head (603).

3. The vacuum device for a pipe extrusion equipment according to claim 1, characterized in that, The purification structure (15) includes a filter bucket (1501) fixed inside the purification cylinder (14). The bottom end of the filter bucket (1501) is fixedly connected to a feed pipe (1502). The bottom end of the feed pipe (1502) penetrates the bottom wall of the purification cylinder (14) and extends outward. The bottom of the feed pipe (1502) is threadedly connected to a first cap (1503). A shield (1504) is provided on the upper side of the filter bucket (1501). The shield (1504) is connected to the purification cylinder (14) by a bolt assembly. An exhaust and material exchange pipe (1505) is fixedly connected to the center of the shield (1504).

4. The vacuum device for a pipe extrusion equipment according to claim 3, characterized in that, The filter bucket (1501) has a set of through holes evenly distributed on it, and the filter bucket (1501) is filled with activated carbon particles.

5. The vacuum device for a pipe extrusion equipment according to claim 1, characterized in that, An observation port is provided on the front side wall of the filter cylinder (4), and a transparent plate (16) is sealed and fixedly connected inside the observation port.

6. The vacuum device for a pipe extrusion equipment according to claim 1, characterized in that, The bottom of the filter cylinder (4) is fixedly connected to a collection box (17), and the bottom of the collection box (17) is threadedly connected to a second screw cap (18). The collection box (17) is located inside the filter screen (5), and the filter cylinder (4) has a discharge port that cooperates with the collection box (17).

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