CN216395455U

CN216395455U - Novel energy-saving servo extruder

Info

Publication number: CN216395455U
Application number: CN202121972088.5U
Authority: CN
Inventors: 张琪
Original assignee: Dongguan Lvbo Chemical Technology Co ltd
Current assignee: Dongguan Lvbo Chemical Technology Co ltd
Priority date: 2021-08-21
Filing date: 2021-08-21
Publication date: 2022-04-29
Anticipated expiration: 2031-08-21

Abstract

The utility model discloses a novel energy-saving servo extruder which comprises a substrate, wherein an extruder body and an oil pressure mechanism are fixedly arranged at the upper end of the substrate, a pipeline box is fixedly arranged on the substrate, the pipeline box is positioned between the extruder body and the oil pressure mechanism, a first oil return tank and a second oil return tank are respectively and fixedly arranged at the upper end of the pipeline box, a servo motor oil pump is also fixedly arranged at the upper end of the pipeline box, the oil outlet end of the servo motor oil pump is communicated with the second oil return tank, the first oil return tank and the second oil return tank are both detachably connected with a filter pipe through flanges and bolts, and a filter element is detachably arranged in the filter pipe. The oil filter device is used for filtering an oil way, the service life of hydraulic oil is prolonged, the filter element is convenient to disassemble and clean, the oil return speed is regulated and controlled through the servo motor oil cylinder, the energy consumption is reduced, the service life of the oil pump is prolonged, and energy is saved.

Description

Novel energy-saving servo extruder

Technical Field

The utility model relates to the technical field of extruder equipment, in particular to a novel energy-saving servo extruder.

Background

One of the important measures is energy conservation, the power of the extruder is quite large, and the variable plunger pump changes a variable mechanism of an oil pump according to the requirement of the extrusion speed to realize the speed regulation function; the vane pump requires hydraulic drive to provide the auxiliary action, which has the following disadvantages: the host computer can produce useless work under the standby condition, and the actual operating time of vane pump when extrusion cycle provides supplementary action at every turn only ten seconds, and all the other times are through overflow valve return oil, can consume certain electric energy, and the oil pump can shorten in work or idle running state life for a long time, and the host computer is in the standby, and motor and oil pump hydraulic oil can produce the heat when idling, consequently chooses for use servo control's motor and oil pump to be imperative.

The traditional extruder has the advantages of complex structure, high cost, long stroke, low working efficiency and large oil consumption. And the extruders all adopt an upper open oil tank. The plunger main cylinder is pushed by the auxiliary main cylinder when moving forwards and backwards in no-load mode, and hydraulic oil enters and returns through the liquid filling valve. When oil is fed, the oil is propelled by the gravity, so that the hydraulic oil is in contact with the atmosphere for a long time. Because at every turn during operation, hydraulic oil flow volume is very big, sneaks into air and dust very easily to oil circuit valve and oil pump on the extruder oil circuit are more, from this, equally easy empty suction with sneaks into gas, various impurity have seriously influenced hydraulic oil result of use, and reduce the life of hydraulic oil, but most lack the oil filter device of current extruder, the part has the oil filter device but dismantles the installation complicacy, be difficult for clearing up the maintenance, therefore we need propose novel energy-conserving servo extruder.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a novel energy-saving servo extruder which is provided with an oil filtering device for filtering an oil way, so that the service life of hydraulic oil is prolonged, a filter element is convenient to disassemble and clean, the oil return speed is regulated and controlled through a servo motor oil cylinder, the energy consumption is reduced, the service life of an oil pump is prolonged, the energy is saved, and the problems in the background art are solved.

In order to achieve the purpose, the utility model provides the following technical scheme: the novel energy-saving servo extruder comprises a substrate, wherein an extruder body and an oil pressure mechanism are fixedly mounted at the upper end of the substrate, a pipeline box is fixedly mounted on the substrate and is positioned between the extruder body and the oil pressure mechanism, a first oil return tank and a second oil return tank are respectively fixedly mounted at the upper end of the pipeline box, the extruder body is communicated with the oil pressure mechanism through a pipeline in the pipeline box, the extruder body is communicated with the first oil return tank through a pipeline in the pipeline box, and the second oil return tank is communicated with the oil pressure mechanism through a pipeline in the pipeline box;

still fixed mounting has the servo motor oil pump in the upper end of pipeline case, the end and the second oil return jar intercommunication of producing oil of servo motor oil pump, the oil inlet end intercommunication of servo motor oil pump has the filter tube, the one end of filter tube and the one end intercommunication of first oil return jar, first oil return jar and second oil return jar are all connected with the filter tube is detachable through flange and bolt, demountable installation has the filter element in the filter tube.

Preferably, two sets of three-way valves are arranged in the pipeline box, and the first oil return tank and the extruder body are communicated with one set of three-way valves through oil supply pipes.

Preferably, the second oil return tank and the oil pressure mechanism are both communicated with another group of three-way valves through oil supply pipes, and the two groups of three-way valves are both electromagnetic three-way valves.

Preferably, two sets of the three-way valve communicate with each other, and a check valve is arranged between the two sets of the three-way valves, and the direction of the check valve is set to be from the oil pressure mechanism to the extruder body.

Preferably, four groups of convex strips are fixedly mounted on the side wall of the filter element, the four groups of convex strips are arranged in an annular array, slots corresponding to the convex strips are formed in the filter tube, and the convex strips are inserted into the grooves.

Preferably, the two ends of the filter pipe are provided with internal threads, the two ends of the filter pipe are provided with jacking blocks in a threaded manner, the two jacking blocks are respectively attached to the two ends of the filter element, and the jacking blocks are provided with oil passing holes.

Preferably, the tightening block is fixedly provided with a hand screwing block, and the oil through hole is internally embedded and fixed with a coarse filter.

Preferably, a pressure relief valve is arranged on the second oil return tank, and the pressure relief valve is an electric pressure relief valve.

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

1. according to the utility model, the oil inlet end of the servo motor oil pump is communicated with the filter pipe, the first oil return tank and the second oil return tank are detachably connected with the filter pipe through the flange and the bolt, and the filter element is detachably arranged in the filter pipe, so that the filter pipe can filter a return oil circuit, the service life of hydraulic oil is prolonged, and meanwhile, the filter element is convenient to detach and clean and is simple and convenient to replace;

2. according to the utility model, the oil return speed is regulated and controlled through the servo motor oil cylinder, so that the energy consumption is reduced, the service life of the oil pump is prolonged, the energy is saved, the temperature of hydraulic oil is reduced, the power factor of an electric power system is improved, and the control precision of the extrusion speed is improved.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of a filter tube according to the present invention;

FIG. 3 is a schematic view of a holding-down block of the present invention;

FIG. 4 is a schematic view of a rib of the present invention.

In the figure: 1. a substrate; 2. an extruder body; 3. an oil pressure mechanism; 4. a pipeline box; 5. a first oil return tank; 6. a filter tube; 7. a servo motor oil pump; 8. a second oil return tank; 9. a three-way valve; 10. an oil supply pipe; 11. a one-way valve; 12. a filter element; 13. a convex strip; 14. a jacking block; 15. a hand twisting block; 16. coarse filtration; 17. a pressure relief valve.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: the novel energy-saving servo extruder comprises a substrate 1, an extruder body 2 and an oil pressure mechanism 3 are fixedly mounted at the upper end of the substrate 1, a pipeline box 4 is fixedly mounted on the substrate 1, the pipeline box 4 is positioned between the extruder body 2 and the oil pressure mechanism 3, a first oil return tank 5 and a second oil return tank 8 are respectively fixedly mounted at the upper end of the pipeline box 4, the extruder body 2 is communicated with the oil pressure mechanism 3 through a pipeline in the pipeline box 4, the extruder body 2 is communicated with the first oil return tank 5 through a pipeline in the pipeline box 4, and the second oil return tank 8 is communicated with the oil pressure mechanism 3 through a pipeline in the pipeline box 4;

specifically, two groups of three-way valves 9 are arranged in the pipeline box 4, the first oil return tank 5 and the extruder body 2 are both communicated with one group of three-way valves 9 through oil supply pipes 10, the second oil return tank 8 and the oil pressure mechanism 3 are both communicated with the other group of three-way valves 9 through oil supply pipes 10, the two groups of three-way valves 9 are communicated with each other, a one-way valve 11 is arranged between the two groups of three-way valves 9, the two groups of three-way valves 9 are both electromagnetic three-way valves, and the direction of the one-way valve 11 is set from the oil pressure mechanism 3 to the extruder body 2;

the oil pressure mechanism 3 and the extruder body 2 form an oil supply path through the three-way valve 9, the one-way valve 11 and the oil supply pipe 10, the first oil return tank 5 and the extruder body 2 form a return oil path through the three-way valve 9 and the oil supply pipe 10, and the oil pressure mechanism 3 and the second oil return tank 8 form a return oil path through the three-way valve 9 and the oil supply pipe 10, so that a circulating oil path is formed;

the upper end of the pipeline box 4 is also fixedly provided with a servo motor oil pump 7, the oil outlet end of the servo motor oil pump 7 is communicated with a second oil return tank 8, the oil inlet end of the servo motor oil pump 7 is communicated with a filter pipe 6, one end of the filter pipe 6 is communicated with one end of a first oil return tank 5, the first oil return tank 5 and the second oil return tank 8 are detachably connected with the filter pipe 6 through flanges and bolts, and a filter element 12 is detachably arranged in the filter pipe 6;

four groups of convex strips 13 are fixedly arranged on the side wall of the filter core 12, the four groups of convex strips 13 are arranged in an annular array, slots corresponding to the convex strips are arranged in the filter pipe 6, and the convex strips 13 are inserted in the grooves.

Internal threads are formed at two ends of the filter pipe 6, the two ends of the filter pipe 6 are respectively provided with a tightening block 14 in a threaded manner, the two sets of tightening blocks 14 are respectively attached to two ends of the filter element 12, and oil passing holes are formed in the tightening blocks 14; a hand-tightening block 15 is fixedly arranged on the jacking block 14, and a coarse strainer 16 is fixedly embedded in the oil through hole;

the filter element 12 is clamped tightly through the jacking block 14, when the filter element is required to be disassembled and cleaned, the filter tube 6 can be taken down only by disassembling the flange bolts at the two ends of the filter tube 6, the jacking block 14 in the filter tube 6 is screwed and withdrawn, the filter element 12 can be taken out for replacement, and the filter element is simple and convenient to use

Be provided with pressure relief valve 17 on the second oil return tank 8, pressure relief valve 17 sets up to electronic pressure relief valve, makes to dismantle when clearing up filter tube 6 can release the operation of being convenient for earlier with pipeline internal pressure through pressure relief valve 17.

When in use, the oil pressure mechanism 3 and the extruder body 2 form an oil supply path through the three-way valve 9, the one-way valve 11 and the oil supply pipe 10, the first oil return tank 5 and the extruder body 2 form a return oil path through the three-way valve 9 and the oil supply pipe 10, and the oil pressure mechanism 3 and the second oil return tank 8 form a return oil path through the three-way valve 9 and the oil supply pipe 10, so that a circulating oil path is formed; after the oil that moves back gets into first oil return tank 5 in extruder body 2, oil filters through filter tube 6, is pumped by servo motor oil pump 7 again and flows into second oil return tank 8 to make filter tube 6 can filter the oil return circuit, the life of extension hydraulic oil, and when the clearance is dismantled to needs, only need pull down the flange bolt at filter tube 6 both ends and can take off filter tube 6, twist the puller block 14 in the filter tube 6 and withdraw from, can take out filter core 12 and change simple and convenient.

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 utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. Novel energy-conserving servo extruder, including base plate (1), its characterized in that: an extruder body (2) and an oil pressure mechanism (3) are fixedly mounted at the upper end of the substrate (1), a pipeline box (4) is fixedly mounted on the substrate (1), the pipeline box (4) is located between the extruder body (2) and the oil pressure mechanism (3), a first oil return tank (5) and a second oil return tank (8) are fixedly mounted at the upper end of the pipeline box (4) respectively, the extruder body (2) and the oil pressure mechanism (3) are communicated through a pipeline in the pipeline box (4), the extruder body (2) and the first oil return tank (5) are communicated through a pipeline in the pipeline box (4), and the second oil return tank (8) and the oil pressure mechanism (3) are communicated with each other through a pipeline in the pipeline box (4);

still fixed mounting has servo motor oil pump (7) in the upper end of pipeline case (4), the oil outlet end and second oil return tank (8) intercommunication of servo motor oil pump (7), the oil inlet end intercommunication of servo motor oil pump (7) has filter tube (6), the one end of filter tube (6) and the one end intercommunication of first oil return tank (5), first oil return tank (5) and second oil return tank (8) are all through flange and bolt and filter tube (6) detachable connection, demountable installation has filter element (12) in filter tube (6).

2. The novel energy-saving servo extruder of claim 1, characterized in that: two sets of three-way valves (9) are arranged in the pipeline box (4), and the first oil return tank (5) and the extruder body (2) are communicated with one set of three-way valves (9) through oil supply pipes (10).

3. The novel energy-saving servo extruder of claim 2, characterized in that: the second oil return tank (8) and the oil pressure mechanism (3) are communicated with another group of three-way valves (9) through oil supply pipes (10), and the two groups of three-way valves (9) are all set to be electromagnetic three-way valves.

4. The novel energy-saving servo extruder of claim 3, characterized in that: two sets of communicate between three-way valve (9), and be provided with check valve (11) between two sets of three-way valve (9), the direction of check valve (11) sets up to be by oil pressure mechanism (3) to extruder body (2).

5. The novel energy-saving servo extruder of claim 1, characterized in that: four groups of convex strips (13) are fixedly installed on the side wall of the filter core (12), the four groups of convex strips (13) are arranged in an annular array, slots corresponding to the convex strips are formed in the filter pipe (6), and the convex strips (13) are inserted into the grooves.

6. The novel energy-saving servo extruder of claim 5, characterized in that: internal threads are formed in the two ends of the filter pipe (6), jacking blocks (14) are installed at the two ends of the filter pipe (6) in a threaded mode, the jacking blocks (14) are attached to the two ends of the filter element (12) respectively, and oil holes are formed in the jacking blocks (14).

7. The novel energy-saving servo extruder of claim 6, characterized in that: and a hand screwing block (15) is fixedly installed on the jacking block (14), and a coarse filter screen (16) is fixedly embedded in the oil through hole.

8. The novel energy-saving servo extruder of claim 1, characterized in that: and a pressure relief valve (17) is arranged on the second oil return tank (8), and the pressure relief valve (17) is set to be an electric pressure relief valve.