CN211640924U

CN211640924U - Automatic clear away PVC twin-screw extruder barrel device of falling material and extruder

Info

Publication number: CN211640924U
Application number: CN201922254047.1U
Authority: CN
Inventors: 李明治
Original assignee: Guangxi Xiongsu Technology Development Co ltd
Current assignee: Guangxi Xiongsu Technology Development Co ltd
Priority date: 2019-12-16
Filing date: 2019-12-16
Publication date: 2020-10-09
Anticipated expiration: 2029-12-16

Abstract

The utility model discloses an automatic clear away material device that emits of PVC double screw extruder barrel relates to tubular product manufacture equipment technical field, solves the problem that the material that emits on the PVC double screw extruder barrel can not in time be cleared up. The utility model comprises a sealing plate arranged on the top surface of a vacuum groove of a cylinder of a PVC extruder, wherein a supporting plate is arranged above the sealing plate, an air cylinder is fixedly arranged on the supporting plate, and the lower end of a piston rod of the air cylinder passes through the supporting plate and is fixedly connected with the sealing plate; two cleaning rods are fixedly arranged on the bottom surface of the supporting plate, and the lower ends of the cleaning rods penetrate through the sealing plate; the lower tip of clearance pole is provided with cylindric extrusion lug, and the length of clearance pole is greater than the height in vacuum tank so that the extrusion lug can insert in the vacuum vent hole in vacuum tank when the clearance pole pushes down. The material overflow on the cylinder of the PVC double-screw extruder can be cleared in time through the timed up-and-down piston type motion of the cylinder barrel of the air cylinder.

Description

Automatic clear away PVC twin-screw extruder barrel device of falling material and extruder

Technical Field

The utility model relates to a tubular product manufacture equipment technical field especially relates to an automatic clear away material device and extruder of giving off of PVC double screw extruder barrel.

Background

The material that current commonly used PVC twin-screw extruder barrel vacuum vent emits is picked out or is advanced into the barrel with little plastic tubing brute force extrusion by the copper pole for the vent lid is opened to the operating personnel untimely, has two shortcomings: 1. if the operators do not clear the flash in time, the mixed gas cannot be discharged after the vacuum holes are completely blocked, and bubbles appear on the inner wall and the outer wall of the product, thereby causing waste products; 2. if the material is not cleaned for a long time, the material which is blown out is carbonized and decomposed due to the baking at a high temperature for a long time, black spot impurities are generated, and the material loss is caused.

SUMMERY OF THE UTILITY MODEL

Not enough more than, the utility model provides an automatic clear away material device that emits of PVC double screw extruder barrel can solve the problem that the material emitted on the PVC double screw extruder barrel can not in time be cleared up.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the material emitting device for the machine barrel of the automatic PVC double-screw extruder comprises a sealing plate arranged on the top surface of a vacuum groove of the machine barrel of the PVC extruder, wherein a supporting plate is arranged above the sealing plate, an air cylinder is fixedly arranged on the supporting plate, and the lower end of a piston rod of the air cylinder penetrates through the supporting plate and is fixedly connected with the sealing plate; the sealing plate is provided with two circular through holes which are positioned on the same vertical line with the two vacuum exhaust holes at the bottom of the vacuum groove, the bottom surface of the supporting plate is fixedly provided with two cleaning rods, the diameter of each cleaning rod is consistent with that of each through hole, and the lower ends of the cleaning rods penetrate through the through holes in the sealing plate; the lower end of the cleaning rod is provided with a cylindrical extrusion lug, the diameter of the extrusion lug is larger than that of the through hole in the sealing plate, and the length of the cleaning rod is larger than the height of the vacuum groove so that the extrusion lug can be inserted into the vacuum exhaust hole of the vacuum groove when the cleaning rod is pressed down.

Further, the automatic clearing device for discharging materials from the machine barrel of the PVC double-screw extruder further comprises an electromagnetic gas valve and a time relay, the cylinder is connected with the electromagnetic gas valve through a gas pipe, and the time relay is connected with the electromagnetic gas valve to control the switch of the electromagnetic gas valve in a timing mode.

Furthermore, the piston at the upper end of the piston rod is positioned in the cylinder barrel and divides the interior of the cylinder barrel into an upper air cavity and a lower air cavity, the upper end cover of the cylinder is provided with an upper air nozzle, the lower end cover of the cylinder is provided with a lower air nozzle, the upper air nozzle and the lower air nozzle are respectively communicated with the upper air cavity and the lower air cavity in the cylinder barrel, and the upper air nozzle and the lower air nozzle are connected with the electromagnetic air valve through air pipes.

Further, a vacuum meter is arranged on the sealing plate and communicated with the vacuum groove.

Further, the sealing plate is detachably and fixedly connected to the vacuum tank.

Further, the diameter of the extrusion bump is consistent with that of the vacuum exhaust hole of the vacuum groove.

Further, the utility model discloses still provide a can automatic clear PVC twin-screw extruder who emits material, vacuum groove on PVC extruder barrel and PVC extruder barrel, vacuum tank bottom is through two vacuum exhaust holes and PVC extruder barrel intercommunication, above-mentioned automatic clear PVC twin-screw extruder barrel emission device is installed at the top in vacuum groove.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the cylinder is arranged on the vacuum groove, and the cylinder barrel of the cylinder does up-and-down piston type motion, so that the cleaning rod passes through the vacuum exhaust hole at the bottom of the vacuum groove, and the effluence materials accumulated in the vacuum exhaust hole are extruded into the cylinder of the PVC extruder in time without manual treatment;

2. the electromagnetic air valve is controlled by the time-series electric appliance to enable the air cylinder to do up-and-down piston motion at regular time, so that the material overflowing in the vacuum exhaust hole can be processed in time;

3. can solve the operative employee if not clear away the flash in time and lead to the vacuum hole to block up the unable discharge of back mist completely through using this device, the bubble appears in the formation product inside and outside wall and causes the waste product to and if the long time does not clear up the flash because the material carbonization who leads to the flash through the toast of long time high temperature decomposes, produces black spot impurity and causes the problem of material loss.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly described below.

Fig. 1 is a schematic structural view of an embodiment of the present invention;

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

fig. 3 is a schematic structural view (partial) of the embodiment of the present invention.

The labels shown in the figures are; 1-air cylinder, 2-supporting plate, 3-sealing plate, 4-cleaning rod, 5-vacuum meter, 6-vacuum groove, 7-PVC extruder barrel, 8-electromagnetic air valve, 9-time relay, 11-cylinder, 12-air cylinder rod, 13-upper air nozzle, 14-lower air nozzle and 41-extrusion bump.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. It is to be understood that the embodiments described are only some embodiments of the invention, and not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

Example 1

An automatic clear PVC twin-screw extruder barrel material discharging device, as shown in figure 1, mainly comprises a sealing plate 3, a supporting plate 2 and a cylinder 1.

Referring to fig. 2, a vacuum groove 6 is formed in a barrel 7 of the PVC extruder, the vacuum groove 6 is of a relatively closed structure, the bottom of the vacuum groove 6 is communicated with the barrel 7 of the PVC extruder through two vacuum exhaust holes, a vacuum port is formed in the vacuum groove 6, the vacuum port is connected with a vacuum pump through a pipeline, and the vacuum pump is used for pumping air into the vacuum groove 6 during operation, so that mixed gas in the barrel 7 of the PVC extruder is exhausted through the two vacuum exhaust holes. In the preferred embodiment, the sealing plate 3 is installed on the top surface of the vacuum groove 6, the sealing plate 3 replaces the top plate of the original vacuum groove 6, and the sealing plate 3 is detachably and fixedly installed on the vacuum groove 6, so that the sealing plate 3 and the vacuum groove 6 form a closed space, and the normal operation of the machine barrel 7 of the PVC extruder is not influenced.

With reference to fig. 1 and fig. 2, a supporting plate 2 is disposed on the sealing plate 3, an air cylinder 1 is disposed on the supporting plate 2, a lower end of a piston rod 12 of the air cylinder 1 penetrates through the supporting plate 2 and is fixedly connected to the sealing plate 3, when the air cylinder 1 works, the piston rod 12 is fixed, and the cylinder barrel 11 slides up and down; two circular through holes which are respectively positioned on the same vertical line with the two vacuum exhaust holes are formed in the sealing plate 3, the lower surfaces of two sides of the supporting plate 2 are respectively and fixedly connected with a cleaning rod 4, the diameter of each through hole is consistent with that of the cleaning rod 4, so that the vacuum groove has certain sealing performance, and the lower ends of the cleaning rods 4 penetrate through the through holes in the sealing plate 3; the lower end of the cleaning rod 4 is provided with a cylindrical extrusion lug 41, the extrusion lug 41 is positioned below the sealing plate 3, the diameter of the extrusion lug 41 is larger than that of the through hole on the sealing plate 3, and when the cleaning is not carried out, the extrusion lug 41 is in contact with the bottom surface of the sealing plate 3 and blocks the through hole on the sealing plate 3 under the action of the air cylinder 1, so that the sealing performance of the vacuum groove 6 is kept; the length of the cleaning rod 4 is greater than the height of the vacuum groove 6 so that the cleaning rod 4 can be inserted into the vacuum exhaust hole while pressing the protrusion 41 when pressed downward. In the preferred embodiment, the crush lobes 41 are pie-shaped with a diameter that is consistent with the inside diameter of the vacuum vent to facilitate complete removal of flash from the vacuum vent. The air cylinder 1 is connected with an air pipe, an upper air nozzle 13 is arranged on the side surface of an end cover at the upper end of the air cylinder 1, a lower air nozzle 14 is arranged on the side surface of an end cover at the lower end of the air cylinder 1, the upper air nozzle 13 and the lower air nozzle 14 are respectively connected with one air pipe, a piston at the upper end of a piston rod 12 is positioned in the cylinder barrel 11 and divides the interior of the cylinder barrel 11 into an upper air cavity and a lower air cavity, and the; and an electromagnetic air valve is arranged at one end of the air pipe, the upper air nozzle 13 and the lower air nozzle 14 are connected with the same electromagnetic air valve 8 through the air pipe, the electromagnetic air valve 8 is provided with a plurality of channels so as to control the independent air inlet and air outlet of the upper air nozzle 13 and the lower air nozzle 14 respectively, the electromagnetic air valve 8 is connected with the time relay 9, and the on-off of the electromagnetic air valve 8 is controlled through the time relay 9, so that the air cylinder 1 can regularly inlet air and outlet air through the air pipe, the cylinder 11 can regularly move up and down in a piston mode, and the cleaning rod 4 is further driven to move up and down. The sealing plate 3 is provided with a vacuum gauge 5, the vacuum gauge 5 is communicated with the vacuum groove 6, and the vacuum degree in the vacuum groove 6 can be measured through the vacuum gauge 5.

As shown in fig. 2, when the PVC twin-screw extruder is in operation, the vacuum pump pumps air from the vacuum tank 6 to form a certain vacuum in the cylinder 7 of the PVC extruder and the vacuum tank, and simultaneously pumps out the mixed gas in the cylinder 7 of the PVC extruder; some material may accumulate in the vacuum vent; a certain time interval is set by the time relay 8 to control the air cylinder to perform piston type motion, when the lower air nozzle 13 of the air cylinder 1 is filled with air and the upper air nozzle 14 is emptied of air, the cylinder barrel 11 of the air cylinder 1 moves downwards to drive the supporting plate 2 and the cleaning rod 4 to move downwards, and when the extrusion bump 41 of the cleaning rod 4 is extruded downwards into the vacuum exhaust hole, the flash in the vacuum exhaust hole is extruded into the machine barrel 7 of the PVC extruder, so that the flash in the vacuum exhaust hole is effectively cleaned; when the upper air nozzle 13 is used for air intake and the lower air nozzle 14 is used for air exhaust, the cylinder body 11 moves upwards to reset and can abut against the bottom surface of the sealing plate 3 and block the through hole on the sealing plate 3 so as to keep the sealing performance of the vacuum groove 6; the cylinder 1 can do piston type movement regularly after the set time, the material overflow of the automatic cleaning machine can be realized in the production process, manual processing is not needed, and the condition that the material overflow cannot be cleaned in time due to the fact that an operator forgets to process the material overflow can be prevented.

Example 2

Referring to fig. 3, the preferred embodiment provides a PVC twin-screw extruder capable of automatically removing flash, which comprises a cylinder 7 of the PVC extruder and a vacuum groove 6 on the cylinder 7 of the PVC extruder, wherein the bottom of the vacuum groove 6 is communicated with the cylinder 7 of the PVC extruder through two vacuum exhaust holes, and the top of the vacuum groove 6 is provided with the flash device of the cylinder of the PVC twin-screw extruder, which is described in embodiment 1.

The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention should be covered by the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims

1. The utility model provides an automatic clear away PVC double screw extruder barrel device of bleeding which characterized in that: the device comprises a sealing plate (3) arranged on the top surface of a vacuum groove (6) of a machine barrel (7) of a PVC extruder, wherein a supporting plate (2) is arranged above the sealing plate (3), an air cylinder (1) is fixedly arranged on the supporting plate (2), and the lower end of a piston rod (12) of the air cylinder (1) penetrates through the supporting plate (2) and is fixedly connected with the sealing plate (3);

the sealing plate (3) is provided with two circular through holes which are positioned on the same vertical line with the two vacuum exhaust holes at the bottom of the vacuum groove (6), the bottom surface of the supporting plate (2) is fixedly provided with two cleaning rods (4), the diameter of each cleaning rod (4) is consistent with that of each through hole, and the lower ends of the cleaning rods (4) penetrate through the through holes in the sealing plate (3);

the lower end of the cleaning rod (4) is provided with a cylindrical extrusion lug (41), the diameter of the extrusion lug (41) is larger than that of the through hole in the sealing plate (3), and the length of the cleaning rod (4) is larger than the height of the vacuum groove (6) so that the extrusion lug (41) can be inserted into the vacuum exhaust hole of the vacuum groove (6) when the cleaning rod (4) is pressed downwards.

2. The automatic clear PVC twin screw extruder barrel flash device of claim 1, wherein: the air cylinder (1) is connected with the electromagnetic air valve (8) through an air pipe, and the time relay (9) is connected with the electromagnetic air valve (8) to control the on and off of the electromagnetic air valve (8) in a timing mode.

3. The automatic clear PVC twin screw extruder barrel flash device of claim 1, wherein: the piston of piston rod (12) upper end is located cylinder (11) and falls into two air cavities about cylinder (11) is inside, cylinder (1) upper end cover is provided with air cock (13), and the lower extreme end cover is provided with down air cock (14), go up air cock (13) and lower air cock (14) respectively with two upper and lower air cavities intercommunication in cylinder (11), go up air cock (13) and lower air cock (14) and be connected with electromagnetism pneumatic valve (8) through the trachea.

4. The automatic clear PVC twin screw extruder barrel flash device of claim 1, wherein: the sealing plate (3) is provided with a vacuum meter (5), and the vacuum meter (5) is communicated with the vacuum groove (6).

5. The automatic clear PVC twin screw extruder barrel flash device of claim 1, wherein: the sealing plate (3) is detachably and fixedly connected to the vacuum groove (6).

6. The automatic clear PVC twin screw extruder barrel flash device of claim 1, wherein: the diameter of the extrusion lug (41) is consistent with that of the vacuum exhaust hole of the vacuum groove (6).

7. The utility model provides a can automatic clear away PVC twin-screw extruder of material that emits, vacuum groove (6) on PVC extruder barrel (7) and PVC extruder barrel (7), vacuum groove (6) bottom is through two vacuum vent holes and PVC extruder barrel (7) intercommunication, its characterized in that: the top of the vacuum tank (6) is provided with the barrel flash device of the automatic cleaning PVC twin-screw extruder as claimed in claims 1 to 6.