CN108942396A - A kind of coolant liquid recyclable device for machinery automation processing - Google Patents
A kind of coolant liquid recyclable device for machinery automation processing Download PDFInfo
- Publication number
- CN108942396A CN108942396A CN201811049713.1A CN201811049713A CN108942396A CN 108942396 A CN108942396 A CN 108942396A CN 201811049713 A CN201811049713 A CN 201811049713A CN 108942396 A CN108942396 A CN 108942396A
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- China
- Prior art keywords
- shell
- coolant liquid
- negative pressure
- pressure mouth
- recyclable device
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q11/00—Accessories fitted to machine tools for keeping tools or parts of the machine in good working condition or for cooling work; Safety devices specially combined with or arranged in, or specially adapted for use in connection with, machine tools
- B23Q11/10—Arrangements for cooling or lubricating tools or work
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Processing Of Solid Wastes (AREA)
- Automatic Assembly (AREA)
Abstract
The invention discloses a kind of coolant liquid recyclable devices for machinery automation processing, it is related to technical field of mechanical processing, including erecting bed, the top of erecting bed is provided with shell, the side wall of shell is mutually fixedly connected by symmetrical connector with erecting bed, the top of shell is fixed with coolant liquid recovering mechanism, offers threaded hole among the lower part of shell；By controlling automatically controlled telescopic rod, it can make what utricule continued to detach away the gas in shell and shell, shell and shell is set to form lasting negative pressure, to make coolant liquid be injected into elastic collection bag by negative pressure mouth, recovery channel and fixed channel, when needing to take out coolant liquid, shell is screwed off, elastic collection bag can be removed by unclamping bolt assembly, it is simple, convenient convenient for clearing up elastic collection bag；Since the side wall of negative pressure mouth is equipped with rolling column, the case where negative pressure mouth is contacted with inner wall to closed negative pressure mouth is avoided, ensure that the fluency of negative pressure mouth.
Description
Technical field
The present invention relates to technical field of mechanical processing, specifically a kind of coolant liquid for machinery automation processing recycles dress
It sets.
Background technique
Mechanical automation refers to that machine or device carry out in the case where unmanned intervene by scheduled program or instruction are automatic
The process of operation or control, and mechanical automation is exactly the mistake that machine or device mechanically realize automation control
Journey.
Machinery automation processing equipment during the work time, can generate many heats, need to be cooled down using coolant liquid.
Coolant liquid flows into reflux line by the backflash being arranged below platen and is recycled.
A kind of coolant liquid recyclable device is disclosed in the Chinese patent that Authorization Notice No. is CN206717529U, including
Recyclable device main body, the surface of the recyclable device main body are equipped with recyclable device shell, and the top of the recyclable device main body is left
Side is equipped with lighting device, and lighting device fixed column, the recyclable device are equipped between the lighting device and recyclable device main body
Main body left upper portion is equipped with coolant inlet, and the lower section of the coolant inlet is equipped with handle, the recyclable device body interior
Top be equipped with the first filter screen, the left and right side of first filter screen bottom end is symmetrically arranged with track, first filtering
The lower section of net is equipped with the second filter screen, and the bottom end on the right side of the recyclable device main body is equipped with cooling liquid outlet, and the coolant liquid goes out
The right side of mouth is equipped with settling banker, and the left and right side of recyclable device main body bottom end is equipped with roller devices.The milling machine is cooling
Liquid recyclable device structure is simple, easy to use, and easy to remove.
But above-mentioned technical proposal there is problems in actual use: since coolant liquid focuses on outside recyclable device
In shell, therefore coolant liquid can not easily be directly taken out and recycled, made troubles to user.
Summary of the invention
It is above-mentioned to solve the purpose of the present invention is to provide a kind of coolant liquid recyclable device for machinery automation processing
The problem of being proposed in background technique.
To achieve the above object, the invention provides the following technical scheme:
A kind of coolant liquid recyclable device for machinery automation processing, including erecting bed, the top of erecting bed are provided with shell,
The side wall of shell is mutually fixedly connected by symmetrical connector with erecting bed, and the top of shell is fixed with coolant liquid recovering mechanism,
Threaded hole is offered among the lower part of shell, screws in threaded hole and is connected with shell, and the elasticity that is internally provided with of the shell is returned
Closing bag, elastic collection bag are mutually fixedly connected by detachable mechanism with the fixed fixation channel through upper part of the housing, fixed channel
Fixed connect in top have recovery channel, fixed connect in the end of recovery channel has negative pressure mouth, offers on the side wall of negative pressure mouth
Several negative pressure mouths, negative pressure mouth are internally provided with several rolling columns, roll the side for passing through shaft and negative pressure mouth among the end of column
Wall rotates connection.
As further scheme of the invention: being fixedly connected with sealing shroud on the recovery channel.
As further scheme of the invention: the coolant liquid recovering mechanism includes recycling can, and the inside of recycling can is sliding
Dynamic to be connected with moving member, the two sides of moving member are respectively arranged with the capsule that both ends are mutually fixedly connected with moving member and recycling top tank structure
Body, the top of recycling can offer a v notch v, and the top of moving member is fixedly connected with the connector across v notch v, recycling
Automatically controlled telescopic rod is installed, the movable end of automatically controlled telescopic rod is fixedly connected with connector on tank.
As further scheme of the invention: two upper lateral parts of the utricule have been respectively turned on output channel, utricule
Two side lower parts have been respectively turned on input channel, and check valve, input channel and shell are mounted in output channel and input channel
It is mutually fixed to connect.
As further scheme of the invention: the material of the elasticity collection bag is PVC.
As further scheme of the invention: the detachable mechanism includes cutting ferrule and is mounted on the tight of cutting ferrule connecting pin
Fixing bolt part.
As further scheme of the invention: the negative pressure mouth is in hollow cylinder shape open at one end.
Compared with prior art, the beneficial effects of the present invention are:
1, by controlling automatically controlled telescopic rod, it can make what utricule continued to detach away the gas in shell and shell, make shell
Lasting negative pressure is formed with shell, so that coolant liquid be made to be injected into elastic recycling by negative pressure mouth, recovery channel and fixed channel
In bag, when needing to take out coolant liquid, shell is screwed off, elastic collection bag can be removed by unclamping bolt assembly, convenient for bullet
Property collection bag is cleared up, simple, convenient；
2, it since the side wall of negative pressure mouth is equipped with rolling column, avoids negative pressure mouth and is contacted with inner wall to closed negative pressure mouth
Situation ensure that the fluency of negative pressure mouth.
Detailed description of the invention
Fig. 1 is a kind of schematic front view of coolant liquid recyclable device for machinery automation processing；
Fig. 2 is the right side view described in Fig. 1 for the coolant liquid recyclable device of machinery automation processing；
Fig. 3 is the structural schematic diagram described in Fig. 1 for negative pressure mouth in the coolant liquid recyclable device of machinery automation processing.
In figure: the automatically controlled telescopic rod of 1- erecting bed, 2-, 3- shell, 4- connector, 5- shell, 6- elasticity collection bag, 7- card
Set, 8- fastening bolt part, 9- recycling can, 10- moving member, 11- v notch v, 12- connector, 13- output channel, 14- are unidirectional
The fixed channel valve, 15- input channel, 16-, 17- recovery channel, 18- negative pressure mouth, 19- roll column, 21- sealing shroud, 22- utricule.
Specific embodiment
The technical solution of the patent is explained in further detail With reference to embodiment.
Embodiment 1:
A kind of coolant liquid recyclable device for machinery automation processing referring to FIG. 1-2, including erecting bed 1, erecting bed 1
Top is provided with shell 3, and the side wall of shell 3 is fixedly connected by symmetrical connector 4 with 1 phase of erecting bed, and the top of shell 3 is solid
Surely there is coolant liquid recovering mechanism, threaded hole is offered among the lower part of shell 3, screwed in threaded hole and be connected with shell 4, shell 4
Be internally provided with elastic collection bag 6, elastic collection bag 6 is logical by detachable mechanism and the fixed fixation through 3 top of shell
16 phase of road is fixedly connected, and fixed connect in the top in fixed channel 16 has recovery channel 17, and the end of recovery channel 17 is fixed to be connected
There is negative pressure mouth 18, several negative pressure mouths are offered on the side wall of negative pressure mouth 18, negative pressure mouth is internally provided with several rolling columns 19, rolling
It is rotated and is connect with the side wall of negative pressure mouth 18 by shaft among the end of dynamic column 19；Negative pressure mouth 18 is inserted into mechanical equipment
In coolant liquid recycling basket, column 19 is rolled since the side wall of negative pressure mouth 18 is equipped with, negative pressure mouth 18 is avoided and is contacted with inner wall
The case where to closed negative pressure mouth 18, it ensure that the fluency of negative pressure mouth 18.
Embodiment 2:
On the basis of embodiment 1, Fig. 2-3 is please referred to, sealing shroud 21, coolant liquid recycling machine are fixedly connected on recovery channel 18
Structure includes recycling can 9, and the internal slide of recycling can 9 is connected with moving member 10, the two sides of moving member 10 be respectively arranged with both ends with
The utricule 22 that moving member 10 is mutually fixedly connected with 9 inner wall of recycling can, the top of recycling can 9 offer a v notch v 11, moving member
10 top is fixedly connected with the connector 12 across v notch v 11, and automatically controlled telescopic rod 2 is equipped on recycling can 9, automatically controlled to stretch
The movable end of contracting bar 2 is fixedly connected with connector 12, and two upper lateral parts of utricule 22 have been respectively turned on output channel 13, utricule 22
Two side lower parts have been respectively turned on input channel 15, and check valve 14 is mounted in output channel 13 and input channel 15, and input is logical
Road 15 is PVC with the fixed connection of 3 phase of shell, the material of elastic collection bag 6, and detachable mechanism includes cutting ferrule 7 and is mounted on cutting ferrule 7
The fastening bolt part 8 of connecting pin, negative pressure mouth 18 are in hollow cylinder shape open at one end；By controlling automatically controlled telescopic rod 2
The lasting gas by shell 3 and shell 4 of utricule 22 is detached away, shell 3 and shell 4 is made to form lasting negative pressure, from
And it is injected into coolant liquid in elastic collection bag 6 by negative pressure mouth 18, recovery channel 17 and fixed channel 16, it is cold when needing to take out
But when liquid, shell 5 is screwed off, elastic collection bag 6 can be removed by unclamping bolt assembly 8, convenient for carrying out clearly to elastic collection bag 6
Reason, it is simple, convenient.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " setting ", " phase
Even " and " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；
It can be directly connected, the connection inside two elements can also be can be indirectly connected through an intermediary.For this field
Those of ordinary skill for, the concrete meaning of above-mentioned term in the present invention can be understood with concrete condition.
It is obvious to a person skilled in the art that invention is not limited to the details of the above exemplary embodiments, Er Qie
In the case where without departing substantially from spirit or essential attributes of the invention, the present invention can be realized in other specific forms.Therefore, no matter
From the point of view of which point, the present embodiments are to be considered as illustrative and not restrictive, and the scope of the present invention is by appended power
Benefit requires rather than above description limits, it is intended that all by what is fallen within the meaning and scope of the equivalent elements of the claims
Variation is included within the present invention.Any reference signs in the claims should not be construed as limiting the involved claims.
In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped
Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should
It considers the specification as a whole, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
The other embodiments being understood that.
Claims (7)
1. a kind of coolant liquid recyclable device for machinery automation processing, including erecting bed (1), the top of erecting bed (1) are set
Be equipped with shell (3), the side wall of shell (3) is mutually fixedly connected by symmetrical connector (4) with erecting bed (1), shell (3) it is upper
Portion is fixed with coolant liquid recovering mechanism, and threaded hole is offered among the lower part of shell (3), screws in threaded hole and is connected with shell
(4), which is characterized in that the shell (4) is internally provided with elastic collection bag (6), and elastic collection bag (6) is unloaded the goods from the airplane by removable
Structure is mutually fixedly connected with the fixed fixation channel (16) through shell (3) top, and fixed connect in the top of fixed channel (16) has
Recovery channel (17), fixed connect in the end of recovery channel (17) have negative pressure mouth (18), offer on the side wall of negative pressure mouth (18)
Several negative pressure mouths, negative pressure mouth are internally provided with several rolling columns (19), roll and pass through shaft among the end of column (19) and bear
The side wall of pressure mouth (18) rotates connection.
2. the coolant liquid recyclable device according to claim 1 for machinery automation processing, which is characterized in that described time
Sealing shroud (21) are fixedly connected on closed tube road (18).
3. the coolant liquid recyclable device according to claim 1 or 2 for machinery automation processing, which is characterized in that institute
Stating coolant liquid recovering mechanism includes recycling can (9), and the internal slide of recycling can (9) is connected with moving member (10), moving member (10)
Two sides be respectively arranged with the utricule (22) that both ends are mutually fixedly connected with moving member (10) and recycling can (9) inner wall, recycling can (9)
Top offer a v notch v (11), the top of moving member (10) is fixedly connected with the connector across a v notch v (11)
(12), it is equipped with automatically controlled telescopic rod (2) on recycling can (9), the movable end of automatically controlled telescopic rod (2) and connector (12) fixed company
It connects.
4. the coolant liquid recyclable device according to claim 3 for machinery automation processing, which is characterized in that the capsule
Two upper lateral parts of body (22) have been respectively turned on output channel (13), and two side lower parts of utricule (22) have been respectively turned on input channel
(15), it is mounted on check valve (14) in output channel (13) and input channel (15), input channel (15) is mutually solid with shell (3)
It is fixed to connect.
5. the coolant liquid recyclable device according to claim 1 for machinery automation processing, which is characterized in that the bullet
Property collection bag (6) material be PVC.
6. the coolant liquid recyclable device according to claim 1 for machinery automation processing, which is characterized in that it is described can
Disassembly mechanism includes cutting ferrule (7) and the fastening bolt part (8) for being mounted on cutting ferrule (7) connecting pin.
7. being used for the coolant liquid recyclable device of machinery automation processing described according to claim 1 or 5 or 6, which is characterized in that
The negative pressure mouth (18) is in hollow cylinder shape open at one end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811049713.1A CN108942396B (en) | 2018-09-10 | 2018-09-10 | Cooling liquid recovery device for mechanical automatic processing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811049713.1A CN108942396B (en) | 2018-09-10 | 2018-09-10 | Cooling liquid recovery device for mechanical automatic processing |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108942396A true CN108942396A (en) | 2018-12-07 |
| CN108942396B CN108942396B (en) | 2021-09-17 |
Family
ID=64476236
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811049713.1A Expired - Fee Related CN108942396B (en) | 2018-09-10 | 2018-09-10 | Cooling liquid recovery device for mechanical automatic processing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108942396B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114688555A (en) * | 2022-03-18 | 2022-07-01 | 李鑫尧 | Waste gas waste heat recovery gas generating set |
Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201516234U (en) * | 2009-10-10 | 2010-06-30 | 祁洪军 | Anti-blockage medical aspirator |
| CN202590026U (en) * | 2012-05-29 | 2012-12-12 | 王娟 | Anti-blocking suction tube |
| KR101229332B1 (en) * | 2012-05-24 | 2013-02-05 | 배규환 | Removes the small-sized scrap iron which arrives safely in surface of the support frame the scrap iron compression device where the removal means for is had |
| CN203856419U (en) * | 2014-03-25 | 2014-10-01 | 中国石油大学(华东) | Ball type automatic lubricating sucker rod centralizer |
| CN106041632A (en) * | 2016-08-23 | 2016-10-26 | 张驰 | Device and method for recovering cooling liquid for machining |
| CN205677848U (en) * | 2016-06-13 | 2016-11-09 | 河北磐石泵业有限公司 | Many suction nozzles vertical silt-proof discharge pump |
| CN106861000A (en) * | 2017-03-27 | 2017-06-20 | 烟台市莱阳中心医院 | A kind of endotracheal intubation of integrated drainage system |
| CN207131348U (en) * | 2017-06-08 | 2018-03-23 | 中国石油化工股份有限公司 | In-flow roller economic benefits and social benefits centralizer |
| CN207186861U (en) * | 2017-03-03 | 2018-04-06 | 无锡市人民医院 | A kind of ICU medical personnel are nursed with waste liquid negative pressure collecting device |
| CN207506843U (en) * | 2017-04-23 | 2018-06-19 | 张文富 | A kind of new breast surgery drainage fixing device |
| CN207562152U (en) * | 2017-05-18 | 2018-07-03 | 中国人民解放军南京军区南京总医院 | Medical modified form surgery aspirator |
| CN207642778U (en) * | 2017-10-11 | 2018-07-24 | 青岛海鑫诺机械有限公司 | A kind of numerically-controlled machine tool coolant liquid retracting device |
| CN207687076U (en) * | 2017-12-22 | 2018-08-03 | 四川东方水利装备工程股份有限公司 | A kind of fuel tank with oil absorption head |
-
2018
- 2018-09-10 CN CN201811049713.1A patent/CN108942396B/en not_active Expired - Fee Related
Patent Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201516234U (en) * | 2009-10-10 | 2010-06-30 | 祁洪军 | Anti-blockage medical aspirator |
| KR101229332B1 (en) * | 2012-05-24 | 2013-02-05 | 배규환 | Removes the small-sized scrap iron which arrives safely in surface of the support frame the scrap iron compression device where the removal means for is had |
| CN202590026U (en) * | 2012-05-29 | 2012-12-12 | 王娟 | Anti-blocking suction tube |
| CN203856419U (en) * | 2014-03-25 | 2014-10-01 | 中国石油大学(华东) | Ball type automatic lubricating sucker rod centralizer |
| CN205677848U (en) * | 2016-06-13 | 2016-11-09 | 河北磐石泵业有限公司 | Many suction nozzles vertical silt-proof discharge pump |
| CN106041632A (en) * | 2016-08-23 | 2016-10-26 | 张驰 | Device and method for recovering cooling liquid for machining |
| CN207186861U (en) * | 2017-03-03 | 2018-04-06 | 无锡市人民医院 | A kind of ICU medical personnel are nursed with waste liquid negative pressure collecting device |
| CN106861000A (en) * | 2017-03-27 | 2017-06-20 | 烟台市莱阳中心医院 | A kind of endotracheal intubation of integrated drainage system |
| CN207506843U (en) * | 2017-04-23 | 2018-06-19 | 张文富 | A kind of new breast surgery drainage fixing device |
| CN207562152U (en) * | 2017-05-18 | 2018-07-03 | 中国人民解放军南京军区南京总医院 | Medical modified form surgery aspirator |
| CN207131348U (en) * | 2017-06-08 | 2018-03-23 | 中国石油化工股份有限公司 | In-flow roller economic benefits and social benefits centralizer |
| CN207642778U (en) * | 2017-10-11 | 2018-07-24 | 青岛海鑫诺机械有限公司 | A kind of numerically-controlled machine tool coolant liquid retracting device |
| CN207687076U (en) * | 2017-12-22 | 2018-08-03 | 四川东方水利装备工程股份有限公司 | A kind of fuel tank with oil absorption head |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114688555A (en) * | 2022-03-18 | 2022-07-01 | 李鑫尧 | Waste gas waste heat recovery gas generating set |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108942396B (en) | 2021-09-17 |
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| TA01 | Transfer of patent application right |
Effective date of registration: 20210824 Address after: 257000 No. 379, Shengli cement factory production road, Xisi Road, Dongying District, Dongying City, Shandong Province Applicant after: DONGYING HONGDA OIL EQUIPMENT FACTORY Address before: 317700 unit 1, building 53, xiabeishan village, Jiazhen street, Jiaojiang District, Taizhou City, Zhejiang Province Applicant before: TAIZHOU LAIZHI TECHNOLOGY Co.,Ltd. |
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