阅读说明：本技术 过滤装置和切削液过滤系统 (Filter device and cutting fluid filtration system ) 是由 孙虎 于 2019-09-29 设计创作，主要内容包括：本发明揭示了一种过滤装置,包括：滤筒,具有一容纳空间；滤网组件,设置于所述容纳空间内,并围成一可将污物阻挡于外部的净化空间；搅拌叶,至少部分可转动于所述净化空间内；喷射管组件,其喷头面向所述搅拌叶；一水泵,其进水端连通于所述净化空间内,出水端连通于所述喷射管。本发明还揭示了一种切削液过滤系统。本发明的喷射管组件通过高压水流驱动搅拌叶转动,可以在滤网组件的内部向外产生反冲水流,从而清洗掉附着在滤网组件外侧的固体颗粒,而无需将滤网组件取出清洗。(The invention discloses a filtering device, comprising: the filter cartridge is provided with a containing space; the filter screen assembly is arranged in the accommodating space and encloses a purifying space which can block dirt outside; the stirring blade can be at least partially rotated in the purification space; a spray pipe assembly with a spray head facing the stirring blade; and the water inlet end of the water pump is communicated with the purification space, and the water outlet end of the water pump is communicated with the injection pipe. The invention also discloses a cutting fluid filtering system. The spray pipe assembly of the invention drives the stirring blade to rotate through the high-pressure water flow, and can generate backflushing water flow outwards in the filter screen assembly, thereby cleaning solid particles attached to the outer side of the filter screen assembly without taking the filter screen assembly out for cleaning.)

1. A filter device, comprising:

the filter cartridge is provided with a containing space;

the filter screen assembly is arranged in the accommodating space and encloses a purifying space which can block dirt outside;

The stirring blade can be at least partially rotated in the purification space;

A spray pipe assembly with a spray head facing the stirring blade;

And the water inlet end of the water pump is communicated with the purification space, and the water outlet end of the water pump is communicated with the injection pipe.

2. The filtration device of claim 1, wherein the jet stack assembly is selectively oriented toward the impeller in different clockwise directions.

3. the filtration device of claim 1, wherein the jet stack assembly comprises a jet stack having a head that is pivotable in a horizontal plane.

4. the filtration apparatus as claimed in claim 1, wherein the jet pipe assembly includes a forward jet pipe and a reverse jet pipe which are alternatively operated, and the nozzles of the forward jet pipe and the reverse jet pipe respectively face the stirring vanes in different clockwise directions.

5. The filtering device as claimed in claim 4, wherein a three-way ball valve is communicated between the water outlet end of the water pump, the forward injection pipe and the reverse injection pipe.

6. The filtration apparatus as claimed in any one of claims 1 to 5, further comprising a liquid outlet, wherein a three-way ball valve is connected between the liquid outlet, the water outlet of the water pump and the jet pipe assembly.

7. the filtration device of claim 1, wherein the filter cartridge comprises a bowl and a lid sealed to a top end of the bowl,

The top end of the stirring blade is rotatably connected to the cover body.

8. the filtration apparatus as claimed in claim 1, wherein the spray head extends above the purification space and cooperates with the stirring blade protruding out of the purification space.

9. The filtering device as claimed in claim 1, wherein the filtering net assembly comprises a net cylinder and a filtering bag sleeved outside the net cylinder.

10. The filter device according to claim 1, wherein the filter cartridge is provided with a liquid inlet, and the liquid inlet is lower than the top edge of the purification space.

11. The filtration device as claimed in claim 1, wherein an annular support portion is protruded from an inner wall surface of the filter cartridge, and a top end of the screen assembly is fittingly supported on the support portion.

12. a cutting fluid filtration system, comprising:

A filter device according to any one of claims 1 to 11;

cutting process machine tool, comprising:

A liquid storage tank for collecting cutting liquid;

And the lifting pump is communicated between the liquid storage tank and the liquid inlet of the filtering device.

Technical Field

The invention belongs to the technical field of metal cutting machining, and particularly relates to a filtering device and a cutting fluid filtering system.

Background

when a metal workpiece is cut, cutting fluid needs to be sprayed on the workpiece, the cutting fluid and metal cutting chips generated in the cutting process are mixed together, the cutting fluid containing the cutting chips cannot be directly sprayed on the workpiece for use, and the cutting chips in the cutting fluid can be removed by using a filtering device for normal use.

Chinese patent application CN109746759 discloses a cutting fluid cooling device for a numerical control machine tool, which realizes the filtration of impurities by a combination of a magnet and a coarse filter screen, but this method still has certain problems, at least including: solid matters with small particles cannot be filtered, and if the filter bag with small meshes is used for filtering, the filter bag needs to be taken out frequently for cleaning.

How to provide a filter effect good and filter screen need not take out abluent device is the problem that an urgent need was solved.

Disclosure of Invention

An object of the present invention is to provide a filter device including:

The filter cartridge is provided with a containing space;

The filter screen assembly is arranged in the accommodating space and encloses a purifying space which can block dirt outside;

The stirring blade can be at least partially rotated in the purification space;

A spray pipe assembly with a spray head facing the stirring blade;

And the water inlet end of the water pump is communicated with the purification space, and the water outlet end of the water pump is communicated with the injection pipe.

In one aspect of the present disclosure, the injection pipe assembly drives the stirring blade to rotate through the high-pressure water flow, and the backflushing water flow can be generated outwards in the filter screen assembly, so that solid particles attached to the outer side of the filter screen assembly are washed away, and the filter screen assembly does not need to be taken out for washing.

In another aspect of the present disclosure, the water source for supplying the injection pipe assembly is purified water from the filter screen assembly, so that water can be recycled, and the water flow injected to the stirring blades does not pollute the purification space.

Further, in one embodiment, the injection pipe assembly can face the stirring blade in different clockwise directions optionally.

Among this technical scheme, the stirring leaf can realize positive reverse rotation, can get rid of the particulate matter that adheres to the filter screen subassembly surface more thoroughly.

Further, in an embodiment, the liquid outlet, the water outlet end of the water pump and the injection pipe assembly are communicated with a three-way ball valve.

Among this technical scheme, the liquid outlet mainly used carries out recycle with the liquid after purifying, and liquid outlet and injection pipe subassembly communicate in same water pump through the tee bend ball valve, cost reduction (for injection pipe subassembly with go out the condition that a liquid used a water pump respectively alone).

Another object of the present invention is to provide a cutting fluid filtering system, including:

The filtering device;

cutting process machine tool, comprising:

A liquid storage tank for collecting cutting liquid;

And the lifting pump is communicated between the liquid storage tank and the liquid inlet of the filtering device.

drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments described in the present application, and other drawings can be obtained by those skilled in the art without creative efforts.

FIG. 1 is a perspective view of a cutting fluid filtration system according to one embodiment of the present disclosure;

FIG. 2 is a schematic perspective view of another perspective view of a cutting fluid filtration system according to an embodiment of the present disclosure;

FIG. 3 is a cross-sectional view of a filter assembly according to an embodiment of the present application;

FIG. 4 is an exploded schematic view of a filter cartridge assembly according to an embodiment of the present application;

FIG. 5 is a schematic view showing a state where a stirring blade rotates in the forward direction in the second embodiment of the present application;

Fig. 6 is a schematic view showing a state where the stirring vanes are rotated in the reverse direction in the second embodiment of the present application.

Detailed Description

The present invention will be more fully understood from the following detailed description, which should be read in conjunction with the accompanying drawings. Detailed embodiments of the present invention are disclosed herein; however, it is to be understood that the disclosed embodiments are merely exemplary of the invention, which can be embodied in various forms. Therefore, specific functional details disclosed herein are not to be interpreted as limiting, but merely as a basis for the claims and as a representative basis for teaching one skilled in the art to variously employ the present invention in virtually any appropriately detailed embodiment.

The embodiment of the application provides a filtering device 10, which is used for filtering liquid containing impurities and recycling or discharging purified liquid.

In the following description, the application of the filtering device to a cutting machine tool is mainly described, but it should be noted that the filtering device in the present embodiment is also applicable to other fields requiring filtering of solid impurities.

Referring to fig. 1 and 2, in one embodiment, a cutting fluid filtering system is disclosed that includes a cutting machine 10 and a filter assembly 20.

the cutting machine 10 is a machining process for cutting off excess material from a metal workpiece with a tool to obtain a part having a desired shape, dimensional accuracy, surface quality, and the like, and in the cutting process of the metal workpiece, it is necessary to spray a cutting fluid onto the workpiece, and a cutting fluid mixed with metal chips is generated in the cutting process.

Cutting machine tool 10 includes liquid reserve tank 11 and elevator pump 12, and liquid reserve tank 11 is used for retrieving the cutting fluid that mix with the metal cutting bits, and elevator pump 12 is arranged in sending the cutting fluid in liquid reserve tank 11 into filter equipment 20 and carries out filtration treatment to get rid of the metal cutting bits in the cutting fluid, can recycle after the metal cutting bits are collected, clean cutting fluid after the filtration can send into cutting machine tool 10 reuse.

In one embodiment, the liquid storage tank 11 is a rectangular groove with an open top, a metal cutting tool (not shown) and a fixing device (not shown) for a metal workpiece are disposed above the liquid storage tank 11, and the cutting liquid containing impurities generated during the machining of the metal workpiece falls into the liquid storage tank 11 under the action of gravity and a flow guide plate (not shown).

In one embodiment, the lift pump 12 is supported by a support plate 13 mounted to the tank 11. The lift pump 12 is preferably disposed at one end of the tank 11 as close as possible to the filtering device 20.

In one embodiment, rollers 14 are disposed at the bottom end of the tank 11. The lift pump 12, the cutting tool and the like are all supported on the liquid storage tank, so that the whole cutting machine tool can move according to the position requirement.

The filter device 20 includes a bracket 21, and a filter cartridge assembly 22 and a water pump 23 mounted on the bracket 21.

the bracket 21 forms a support carrier that includes a horizontal support deck 211, and the filter cartridge assembly 22 and water pump 23 are mounted on the support deck 211.

In one embodiment, the bottom end of the bracket 21 is provided with a roller 212, and the whole filtering device 20 can be moved by the roller 212 according to the position requirement.

the filter cartridge assembly 22 includes a barrel 221 and a cover 222, the barrel 221 is preferably a cylinder with an open top end, and the cover 222 covers the top end of the barrel 221. The cylinder 221 provides a filtering space for the cutting fluid, and the cover 222 is detachably fixed to the top edge of the cylinder 221 by bolts.

In one embodiment, in order to facilitate opening and carrying of the cover 222, a handle 2221 is further provided on the cover 222.

In an embodiment, the cover 222 is further provided with a pressure relief valve 2222.

In one embodiment, the bottom end of the cylinder 221 is mounted on the supporting platform 211 via a plurality of supporting legs 2211, and the number of the supporting legs 2211 is preferably 3. Each supporting leg 2211 is formed by bending a metal plate, the top end of each supporting leg 2211 is welded and fixed with the bottom end of the cylinder body 221, and the bottom end of each supporting leg 2211 is detachably fixed with the supporting table 211 through bolts.

As shown in fig. 3 and 4, the filter cartridge assembly 22 further includes a screen assembly 223 and a mixing blade 224 disposed within the bowl 221.

The screen assembly 223 defines a cleaning space for blocking contaminants from the outside, and includes a screen cylinder 2231 and a filter bag 2232 sleeved outside the screen cylinder 2231.

In one embodiment, the net barrel 2231 is a metal barrel 2231 with an open top, and a plurality of holes are formed on the side and bottom surfaces thereof. The material of the mesh cylinder 2231 is preferably aluminum alloy or stainless steel.

in this technical solution, the net drum 2231 is used to form a frame, which facilitates the fixing of the filter bag 2232.

The filter bag 2232 filters the cutting fluid entering the cylinder 221, and can block the metal chips from the outside of the cleaning space and allow the cleaned fluid to enter. The filter bag 2232 may be made of PET (polyester) fiber, polypropylene (PP) fiber/PP microfiber, nylon monofilament, or Polytetrafluoroethylene (PTFE).

An annular support portion 2212 protrudes from the inner wall surface of the cylinder 221, and the top edge of the net cylinder 2231 is bent around to form an annular rim 22311, and the rim 22311 is supported on the support portion 2212 in a matching way.

the top end of the filter bag 2232 is pressed between the rim 22311 and the support portion 2212, and the rim 22311 and the support portion 2212 may be further fixed by bolts.

The cylinder 221 is provided with a liquid inlet 2213, and the liquid inlet 2213 is communicated with the lift pump 12 through a pipeline. The recovered cutting fluid enters between the cylinder 221 and the filter cartridge assembly 22 through the fluid inlet 2213, and metal shavings and other solid impurities remain outside the clean space under the barrier of the filter bag 2232 and remain on the surface of the filter bag 2232 or fall to the bottom end of the cylinder 221.

The bottom end of the cylinder 221 is further provided with a waste liquid outlet 2214, and the solid impurities in the cylinder 221 can be periodically cleaned through the waste liquid outlet 2214.

The stirring blade 224 is rotatably coupled to the bottom surface of the cover 222 via a stirring shaft 2241, and when the stirring blade 224 and the cover 222 are assembled in advance, they are integrally attached to the cylinder 221.

the bottom end of the stirring blade 224 extends into the purification space of the net drum 2231. When the stirring blades 224 rotate, the liquid in the purification space can be driven to disturb along a certain time of the needle direction, solid impurities attached to the outer surface of the filter bag 2232 are removed through the recoil action, the filter bag does not need to be detached to be cleaned, and the filter bag cleaning efficiency is improved.

In one embodiment, the stirring blade 224 is disposed coaxially with the barrel 221,

The filtering device 20 further includes a spraying pipe assembly 24, the spraying pipe assembly 24 is installed on the barrel 221, the top end of the stirring blade 224 protrudes above the purification space and is matched with the nozzle of the spraying pipe assembly 24, the nozzle of the spraying pipe assembly 24 is used for ejecting high-pressure water flow, and the high-pressure water flow is used as the driving force of the stirring blade to further drive the stirring blade to rotate.

In this solution, the liquid entering the purification space must be clean, and the water flow from the spray head will mostly fall into the purification space, so the liquid in the spray head must be free of solid impurities. The water pump 23 in this embodiment establishes a circulation water path between the purification space and the ejector pipe assembly 24.

Specifically, the water inlet end of the water pump 23 extends into the purification space through the pipeline 231 to lead out the filtered cutting fluid in the purification space, the water outlet end of the water pump 23 is divided into two paths, one path is communicated with the spray pipe assembly 24 to provide a clean water source for the spray pipe assembly 24, and the other path is supplied to the cutting machine tool 10.

Further, a three-way ball valve 232 is provided between the water outlet end of the water pump 23, the jet pipe assembly 24 and the piping that supplies the cutting machine 10.

In this embodiment, the three-way ball valve 232 can alternatively supply water to the jet stack assembly 24 or to the cutting machine 10.

In a preferred embodiment, the injection pipe assembly 24 includes a forward injection pipe 241 and a reverse injection pipe 242 that are alternatively operated, and the spray heads of the forward injection pipe 241 and the reverse injection pipe 242 respectively face the stirring vanes 224 in different clockwise directions.

Further, a three-way ball valve 233 is provided between the forward injection pipe 241, the reverse injection pipe 242, and the three-way ball valve 232.

Among this technical scheme, through setting up forward injection pipe 241 and reverse injection pipe 242, can drive the stirring leaf selectively and carry out corotation or reversal, in the actual work process, can let the stirring leaf forward rotation certain time earlier, then let stirring leaf reverse rotation certain time, can thoroughly wash like this and fall to depend on at filter bag surface impurity.

In the second embodiment, as shown in the schematic view of fig. 5 and 6 in combination, the injection pipe assembly 24 is provided with only 1 injection pipe 243, and the head of the injection pipe 243 is swingable in the horizontal plane.

in this embodiment, the position of the injection pipe 243 is switched in a swinging manner, so as to change the clockwise direction of the nozzle facing the stirring blades, and further, the stirring blades are driven to rotate in the forward direction (fig. 5) or in the reverse direction (fig. 6) in a switchable manner.

In the third embodiment, the injection pipe assembly 24 is provided with only 1 injection pipe 243, and the barrel 221 is provided with two mounting holes, and the injection pipes can be selectively inserted into the different mounting holes, each corresponding to one of the clockwise directions.

when the device works, one of the injection pipes 243 is inserted into one mounting hole, and the stirring blade is driven to rotate positively by high-pressure water flow; when it is necessary to drive the agitating blade to rotate reversely, the injection pipe 243 may be inserted into another mounting hole.

the working principle of the system of the embodiment is as follows: cutting machine tool 10 carries out cutting process to metal work piece, and the cutting fluid that is mingled with the metal cutting bits that produces in the cutting process is collected through liquid reserve tank 11, and in elevator pump 12 promoted the interior cutting fluid of liquid reserve tank 11 and sent into barrel 221, metal impurity in the cutting fluid blockked and remain in the space between barrel 221 and filter screen subassembly 223 through filter bag 2232, and water pump 23 draws out and sends into cutting machine tool 10 and recycles the cutting fluid after filtering in with the purification space. When the filter bag needs to be cleaned, the three-way ball valve 232 is switched, so that the purified cutting fluid is led to the jet pipe assembly 24, the jet pipe assembly 24 generates high-pressure water flow to drive the stirring blades to rotate, and solid impurities attached to the outer surface of the filter bag are removed under the action of backflushing.

The aspects, embodiments, features and examples of the present invention should be considered as illustrative in all respects and not intended to be limiting of the invention, the scope of which is defined only by the claims. Other embodiments, modifications, and uses will be apparent to those skilled in the art without departing from the spirit and scope of the claimed invention.

The use of headings and sections in this application is not meant to limit the invention; each section may apply to any aspect, embodiment, or feature of the disclosure.

Throughout this application, where a composition is described as having, containing, or comprising specific components or where a process is described as having, containing, or comprising specific process steps, it is contemplated that the composition of the present teachings also consist essentially of, or consist of, the recited components, and the process of the present teachings also consist essentially of, or consist of, the recited process steps.

In this application, where an element or component is referred to as being included in and/or selected from a list of recited elements or components, it is understood that the element or component can be any one of the recited elements or components and can be selected from a group consisting of two or more of the recited elements or components. Moreover, it should be understood that elements and/or features of the compositions, apparatus, or methods described herein may be combined in various ways, whether explicitly described or implicitly described herein, without departing from the spirit and scope of the present teachings.

Unless specifically stated otherwise, use of the terms "comprising", "including", "having" or "having" is generally to be understood as open-ended and not limiting.

the use of the singular herein includes the plural (and vice versa) unless specifically stated otherwise. Furthermore, the singular forms "a", "an" and "the" include plural referents unless the context clearly dictates otherwise. In addition, where the term "about" is used before a quantity, the present teachings also include the particular quantity itself unless specifically stated otherwise.

It should be understood that the order of steps or the order in which particular actions are performed is not critical, so long as the teachings of the invention remain operable. Further, two or more steps or actions may be performed simultaneously.

it is to be understood that the figures and descriptions of the present invention have been simplified to illustrate elements that are relevant for a clear understanding of the present invention, while eliminating, for purposes of clarity, other elements. However, those skilled in the art will recognize that these and other elements may be desirable. However, because such elements are well known in the art, and because they do not facilitate a better understanding of the present invention, a discussion of such elements is not provided herein. It should be understood that the figures are presented for illustrative purposes and not as construction diagrams. The omission of details and modifications or alternative embodiments is within the scope of one skilled in the art.

It is to be understood that in certain aspects of the invention, a single component may be replaced by multiple components and that multiple components may be replaced by a single component to provide an element or structure or to perform a given function or functions. Except where such substitution would not operate to practice a particular embodiment of the invention, such substitution is considered within the scope of the invention.

While the invention has been described with reference to illustrative embodiments, it will be understood by those skilled in the art that various other changes, omissions and/or additions may be made and substantial equivalents may be substituted for elements thereof without departing from the spirit and scope of the invention. In addition, many modifications may be made to adapt a particular situation or material to the teachings of the invention without departing from its scope. Therefore, it is intended that the invention not be limited to the particular embodiment disclosed for carrying out this invention, but that the invention will include all embodiments falling within the scope of the appended claims. Moreover, unless specifically stated any use of the terms first, second, etc. do not denote any order or importance, but rather the terms first, second, etc. are used to distinguish one element from another.