CN107855845A - A kind of practical environmentally friendly grinding apparatus - Google Patents

A kind of practical environmentally friendly grinding apparatus Download PDF

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Publication number
CN107855845A
CN107855845A CN201710778639.6A CN201710778639A CN107855845A CN 107855845 A CN107855845 A CN 107855845A CN 201710778639 A CN201710778639 A CN 201710778639A CN 107855845 A CN107855845 A CN 107855845A
Authority
CN
China
Prior art keywords
sliding chamber
chamber
deck
frame
steel plate
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
CN201710778639.6A
Other languages
Chinese (zh)
Inventor
毛杰
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to CN201710778639.6A priority Critical patent/CN107855845A/en
Publication of CN107855845A publication Critical patent/CN107855845A/en
Withdrawn legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B41/00—Component parts such as frames, beds, carriages, headstocks
    • B24B41/02—Frames; Beds; Carriages
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B41/00—Component parts such as frames, beds, carriages, headstocks
    • B24B41/06—Work supports, e.g. adjustable steadies
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B47/00—Drives or gearings; Equipment therefor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B47/00—Drives or gearings; Equipment therefor
    • B24B47/02—Drives or gearings; Equipment therefor for performing a reciprocating movement of carriages or work- tables
    • B24B47/04—Drives or gearings; Equipment therefor for performing a reciprocating movement of carriages or work- tables by mechanical gearing only
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B55/00—Safety devices for grinding or polishing machines; Accessories fitted to grinding or polishing machines for keeping tools or parts of the machine in good working condition
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B7/00—Machines or devices designed for grinding plane surfaces on work, including polishing plane glass surfaces; Accessories therefor
    • B24B7/07—Machines or devices designed for grinding plane surfaces on work, including polishing plane glass surfaces; Accessories therefor involving a stationary work-table

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Grinding Of Cylindrical And Plane Surfaces (AREA)

Abstract

The invention discloses a kind of practical environmentally friendly grinding apparatus, for polishing to steel plate, including the deck for installing the collet of steel plate and being fixedly mounted on by support above collet, deck centre is provided with medium pore, central frame is installed with medium pore, central frame upper end extends upwards, and central frame upper end both sides equity is provided with upper frame, vertical frame is installed between upper frame and deck, sliding chamber is provided with central frame, middle sliding chamber and downslide chamber, it is provided between middle sliding chamber and upper sliding chamber and downslide chamber and connects groove, in upper sliding chamber carriage can be installed up and downly, lower slider can be installed up and downly in downslide chamber, in middle sliding chamber left and right equity and can left and right be moveably mounted trolley shoe.

Description

A kind of practical environmentally friendly grinding apparatus
Technical field
The present invention relates to environmentally friendly polishing field, specifically a kind of practical environmentally friendly grinding apparatus.
Background technology
Steel plate in process of manufacture, it is necessary to carry out grinding process to it so that surface is smooth beautiful, grinding process Process is typically all completed by sanding apparatus, on the one hand sanding apparatus needs to control turning for grinding head when polishing to steel plate It is dynamic, on the other hand need to control the height of grinding head, in traditional sanding apparatus, grinding head be typically all it is exposed outside, pacifying When cartridge plate, unloading steel plate and adjustment steel plate, running at high speed for grinding head easily injures operating personnel, therefore, traditional Very big potential safety hazard be present in polishing steel plate device, and because the exposed dust in outer bruting process of grinding head easily dissipates everywhere Fall, environmentally friendly coefficient is low.
The content of the invention
For the deficiency of above-mentioned technology, the present invention proposes a kind of practical environmentally friendly grinding apparatus.
A kind of practical environmentally friendly grinding apparatus of the present invention, for polishing to steel plate, including for installing steel plate Collet and the deck above the collet is fixedly mounted on by support, the deck centre is provided with medium pore, institute State and central frame is installed with medium pore, the central frame upper end extends upwards, and central frame upper end both sides equity peace Equipped with upper frame, vertical frame is installed between the upper frame and the deck, sliding chamber, middle cunning are provided with the central frame Chamber and downslide chamber, it is provided between the middle sliding chamber and the upper sliding chamber and the downslide chamber and connects groove, in the upper sliding chamber Carriage can up and downly be installed, lower slider can be installed up and downly in the downslide chamber, it is left in the middle sliding chamber It is right equity and can left and right be moveably mounted trolley shoe, two relative end faces of trolley shoe are provided with internal thread groove, the trolley shoe Outer face is provided with the first inclined edge surfaces, and left and right equity is gone back in the middle sliding chamber and is movably installed with the pressure contradicted with the trolley shoe Block is closed, the pressing block inner side end is provided with the second inclined edge surfaces being engaged with first inclined edge surfaces, in the carriage It is installed with first to drive into machine, described first drives into machine and be connected with bull stick, and the bull stick lower end connects groove and pushed up through described Enter in the transluminal, the lower slider is rotatably engaged with the bull stick, and the bull stick upper end is provided with and the internal thread The outer silk that groove is engaged, the bull stick bottom are fixedly installed mounting head, are removably provided with to add in the mounting head The grinding head of work steel plate, left and right equity is provided with beginning sliding chamber directed downwardly in the deck, can up and downly in the sliding chamber Compression leg is installed, the compression leg upper end is installed with armed lever, and the armed lever upper end is through the deck and extends upwards, described Equity, which is provided with, in middle sliding chamber two side connects outside guide channel, up and down in the guide channel to be provided with director strip, institute State director strip one end to be fixedly connected with the pressing block, the other end is fixedly connected with the armed lever, and the central frame both sides are also pacified Equipped with device is entered to drive into the up and down drive of the compression leg, blessing device is additionally provided with the collet.
Further technical scheme, described drive into device include extension up and down and the screw mandrel coordinated with the director strip, institute State and attaching slot is provided with upper frame, the central frame upper end is provided with the hole slot that left and right extends, the hole slot and the attaching slot It is connected to each other, screw mandrel upper end jacking is into the attaching slot and is installed in rotation in the upper frame, the screw mandrel lower end It is installed in rotation in the deck, the toe joint wheel being fixedly connected with the screw mandrel upper end is installed in the attaching slot, it is left Biography chain link is installed, the biography chain link pass through the hole slot, the screw mandrel in left side and described in being fixedly mounted on right both sides toe joint wheel The second of upper frame upper end drives into machine and connected.
Further technical scheme, the lower slider bottom are installed with the first bullet contradicted with the upper sliding bottom of chamber wall Casting die.
Further technical scheme, second be fixedly connected with the trolley shoe is also installed with the sliding chamber side wall Suppress part.
Further technical scheme, the device that accommodates include being fixedly mounted on the flat board at the lower end of the collet both sides, Installing port penetrating up and down is provided with the flat board.
The beneficial effects of the invention are as follows：
When apparatus of the present invention are processed to steel plate, described second drives the screw mandrel rotation that the left and right sides can be simultaneously propelled into when being run into machine, And the screw mandrel is when rotating, it is movable downwards into the director strip to drive, and the director strip during activity, on the one hand may be used downwards Drive the pressing block movable downwards, it is movable downwards into the compression leg on the other hand can to drive, when the compression leg compresses the steel plate When, the pressing block makes the trolley shoe inside top pressure the internal thread groove to coordinate with the outer silk；
Described first drives and can be driven when being run into machine into the bar rotation, can drive during the bar rotation carriage and under Balladeur train is movable downwards, and polishing processing is carried out to the steel plate so as to the extended downslide chamber in the grinding head lower end；
After completion of processing of polishing, second drives into machine described in reverse starting, and described second drives to drive into the compression leg into machine and live upwards It is dynamic, while can also drive movable upwards into the pressing block, the trolley shoe is suppressed described second and lived laterally in the presence of part Dynamic, so that the internal thread groove departs from the cooperation of the outer silk, the carriage and lower slider are in the described first work for suppressing part With lower by upward top pressure, the grinding head can be made to be retracted in the downslide chamber, therefore, be fully retracted in the compression leg described When in sliding chamber, the grinding head is also fully retracted in the downslide chamber, now, can carry out position adjustment to steel plate, or go Under the steel plate that has processed；
When pacifying loading, unloading or adjustment position to steel plate, the grinding head is all contracted in the downslide chamber apparatus of the present invention, So as to prevent that grinding head, which occurs, when pacifying loading, unloading or adjustment position to steel plate injures operating personnel, and compression leg is being pressed Effectively polishing part is isolated from the outside during tight steel plate, reduces and is dissipated outside dust, be effectively increased environmentally friendly coefficient.
Brief description of the drawings
, below will be to embodiment or prior art in order to illustrate more clearly of inventive embodiments or technical scheme of the prior art The required accompanying drawing used is briefly described in description, it should be apparent that, drawings in the following description are only one invented A little embodiments, for those of ordinary skill in the art, on the premise of not paying creative work, can also be according to these Accompanying drawing obtains other accompanying drawings.
Fig. 1 is a kind of structural representation of practical environmentally friendly grinding apparatus of the present invention；
Fig. 2 is structural representation when compression leg compresses steel plate in Fig. 1；
Fig. 3 is the structural representation polished in Fig. 2 when completing；
Fig. 4 is the partial enlarged drawing of the present invention.
Embodiment
All features disclosed in this specification, or disclosed all methods or during the step of, except mutually exclusive spy Beyond sign and/or step, it can combine in any way.
This specification（Including any accessory claim, summary and accompanying drawing）Disclosed in any feature, except non-specifically chatting State, can alternative features equivalent by other or with similar purpose replaced.I.e., unless specifically stated otherwise, each feature It is an example in a series of equivalent or similar characteristics.
As shown in Figures 1 to 4, a kind of practical environmentally friendly grinding apparatus of apparatus of the present invention, for the progress to steel plate 15 Polishing, including for installing the collet 11 of steel plate 15 and the deck of the top of collet 11 being fixedly mounted on by support 43 18, the centre of deck 18 is provided with medium pore, is installed with central frame 16 in the medium pore, on the central frame 16 End extends upwards, and the upper end both sides equity of the central frame 16 is provided with upper frame 33, between the upper frame 33 and the deck 18 Vertical frame 35 is installed with, sliding chamber 25, middle sliding chamber 39 and downslide chamber 42, the middle sliding chamber are provided with the central frame 16 It is provided between 39 and the upper sliding chamber 25 and the downslide chamber 42 and connects groove 200, can be up and down in the upper sliding chamber 25 Ground is provided with carriage 26, can be provided with lower slider 41 in the downslide chamber 42 up and downly, left and right in the middle sliding chamber 39 Equity and can left and right be moveably mounted trolley shoe 20, two relative end faces of trolley shoe 20 are provided with internal thread groove 40, the cunning Connect the outer face of block 20 and be provided with the first inclined edge surfaces 38, left and right equity is gone back in the middle sliding chamber 39 and is movably installed with and is slipped with described The pressing block 37 that block 20 contradicts, it is oblique that the inner side end of pressing block 37 is provided with second be engaged with first inclined edge surfaces 38 Side face 21, first being installed with the carriage 26 and is driven into machine 34, described first drives into machine 34 and be connected with bull stick 24, described The lower end of bull stick 24 connects groove 200 described in and jacking is into the transluminal 12, and the lower slider 41 can turn with the bull stick 24 Coordinate dynamicly, the upper end of bull stick 24 is provided with the outer silk 240 being engaged with the internal thread groove, and the bottom of bull stick 24 is fixed and set Mounting head 12 is equipped with, is removably provided with to process the grinding head 14 of steel plate 15, the deck 18 in the mounting head 12 Middle left and right equity is provided with beginning sliding chamber 44 directed downwardly, and compression leg 17, the pressure can be provided with up and downly in the sliding chamber 44 The upper end of post 17 is installed with armed lever 19, and the upper end of armed lever 19 is through the deck 18 and extends upwards, the middle sliding chamber 39 Equity, which is provided with, in two side connects outside guide channel 22, up and down in the guide channel 22 to be provided with director strip 23, institute State the one end of director strip 23 to be fixedly connected with the pressing block 37, the other end is fixedly connected with the armed lever 19, the central frame 16 Both sides, which are also equipped with driving into the up and down drive of the compression leg 17, enters device, and blessing dress is additionally provided with the collet 11 Put.
Valuably or exemplarily, wherein, it is described drive into device include up and down extend and with the director strip 23 coordinate Screw mandrel 27, attaching slot 32 is provided with the upper frame 33, the central upper end of frame 16 is provided with the hole slot 30 that left and right extends, described Hole slot 30 is connected to each other with the attaching slot 32, and the upper end jacking of screw mandrel 27 is into the attaching slot 32 and is installed in rotation on In the upper frame 33, the lower end of screw mandrel 27 is installed in rotation in the deck 18, be provided with the attaching slot 32 with The toe joint wheel 28 that the upper end of screw mandrel 27 is fixedly connected, it is provided with left and right sides toe joint wheel 28 and passes chain link 29, the biography chain link 29 pass through the hole slot 30, and the screw mandrel 27 in left side drives into machine 31 with being fixedly mounted on the second of the upper end of upper frame 33 and is connected.
Valuably or exemplarily, wherein, the bottom of lower slider 41 is installed with to be supported with the upper sliding bottom wall of chamber 25 Tactile first suppresses part 36, and described first suppresses part 36 to by the 26 upward top pressure of carriage.
Valuably or exemplarily, wherein, also it is installed with the sliding side wall of chamber 39 and is fixed with the trolley shoe 21 The second of connection suppresses part 45, and described second suppresses part 45 to by the 21 outside side stretching of trolley shoe.
Valuably or exemplarily, wherein, the blessing device includes being fixedly mounted at the both sides lower end of collet 11 Flat board 61, installing port 62 penetrating up and down is provided with the flat board 61, the installing port 62 screw to be passed through, so as to The present apparatus is reinforced, prevents from producing shake when the present apparatus from running.
In original state, the compression leg 17 is contracted in the sliding chamber 44 apparatus of the present invention completely, the director strip 23 Positioned at the upper end of guide channel 22, and the pressing block 37 also is located at the middle sliding upper end of chamber 39, and part 45 is suppressed described second In the presence of, the end face outside of trolley shoe 20 contradicts with the middle sliding inward bottom wall of chamber 39, make the internal thread groove not with it is described Outer silk 240 coordinates, and the carriage 26 and lower slider 41 are suppressed by upward top pressure in the presence of part 36 described first, described to beat Bistrique is contracted in the downslide chamber 42；
When being processed to steel plate 15, steel plate 15 is placed on the collet 11, then starts described second and drives into machine 31, described Two, which drive the screw mandrel 27 driven when being run into machine 31 into left side, rotates, and in the presence of the biography chain link 29, can make the silk of the left and right sides Bar 27 rotates simultaneously, and during the rotation of the screw mandrel 27, it is movable downwards into the director strip 23 to drive, and the director strip 23 is lived downwards In dynamic process, the pressing block 37 on the one hand can be driven movable downwards, it is movable downwards into the compression leg 17 on the other hand can to drive, When the compression leg 17 compresses the steel plate 15, the 20 inside top pressure of trolley shoe is made the internal thread groove by the pressing block 37 Coordinate with the outer silk 240, now stop described second and drive into machine 31 and start described first and drive into machine 34, described first drive into Machine 34 drives into the bull stick 24 and rotated, and the bull stick 24 can drive the carriage 26 and lower slider 41 movable downwards when rotating, Polishing processing is carried out to the steel plate 15 so as to the extended downslide chamber 42 in the lower end of grinding head 14, when polishing processes Bi Hou, second drives into machine 31 described in reverse starting, described second drive can be driven into machine 31 it is movable upwards into the compression leg 17, simultaneously also It is movable upwards into the pressing block 37 to drive, and it is movable laterally in the presence of part 45 that the trolley shoe 20 suppresses described second, So that the internal thread groove departs from the cooperation of the outer silk 240, the carriage 26 and lower slider 41 suppress part described first By upward top pressure in the presence of 36, the grinding head 14 can be made to be retracted in the downslide chamber 42, it is therefore, complete in the compression leg 17 When being retracted to entirely in the sliding chamber 44, the grinding head 14 is also fully retracted in the downslide chamber 42.
The beneficial effects of the invention are as follows：When apparatus of the present invention are processed to steel plate, described second drive into machine run when can be simultaneously Drive into the left and right sides screw mandrel rotate, and the screw mandrel rotate when, it is movable downwards into the director strip to drive, the director strip to During lower activity, the pressing block on the one hand can be driven movable downwards, it is movable downwards into the compression leg on the other hand can to drive, When the compression leg compresses the steel plate, the pressing block the inside top pressure of the trolley shoe is made the internal thread groove with it is described outer Silk coordinates；
Described first drives and can be driven when being run into machine into the bar rotation, can drive during the bar rotation carriage and under Balladeur train is movable downwards, and polishing processing is carried out to the steel plate so as to the extended downslide chamber in the grinding head lower end；
After completion of processing of polishing, second drives into machine described in reverse starting, and described second drives to drive into the compression leg into machine and live upwards It is dynamic, while can also drive movable upwards into the pressing block, the trolley shoe is suppressed described second and lived laterally in the presence of part Dynamic, so that the internal thread groove departs from the cooperation of the outer silk, the carriage and lower slider are in the described first work for suppressing part With lower by upward top pressure, the grinding head can be made to be retracted in the downslide chamber, therefore, be fully retracted in the compression leg described When in sliding chamber, the grinding head is also fully retracted in the downslide chamber, now, can carry out position adjustment to steel plate, or go Under the steel plate that has processed；
When pacifying loading, unloading or adjustment position to steel plate, the grinding head is all contracted in the downslide chamber apparatus of the present invention, So as to prevent that grinding head, which occurs, when pacifying loading, unloading or adjustment position to steel plate injures operating personnel, and compression leg is being pressed Effectively polishing part is isolated from the outside during tight steel plate, reduces and is dissipated outside dust, be effectively increased environmentally friendly coefficient.
General principle, principal character and the advantages of the present invention of the present invention has been shown and described above.The technology of the industry For personnel it should be appreciated that the present invention is not limited to the above embodiments, that described in above-described embodiment and specification is the present invention Principle, without departing from the spirit and scope of the present invention, various changes and modifications of the present invention are possible, these change and Improvement is both fallen within claimed invention.The claimed scope of the invention is by appended claims and its equivalent circle It is fixed.

Claims (5)

  1. A kind of 1. practical environmentally friendly grinding apparatus, for polishing to steel plate, it is characterised in that：Including for installing steel plate Collet and the deck above collet is fixedly mounted on by support, deck centre is provided with medium pore, solid in medium pore Dingan County is equipped with central frame, and central frame upper end extends upwards, and central frame upper end both sides equity is provided with upper frame, upper frame and deck it Between be installed with vertical frame, be provided with sliding chamber, middle sliding chamber and downslide chamber in central frame, middle sliding chamber and upper sliding chamber and downslide chamber Between be provided with and connect groove, carriage can up and downly be installed in upper sliding chamber, can be installed up and downly in downslide chamber Have a lower slider, in middle sliding chamber left and right equity and can left and right be moveably mounted trolley shoe, the relative end face of two trolley shoes is set There is an internal thread groove, trolley shoe outer face is provided with the first inclined edge surfaces, also left and right equity and is movably installed with and trolley shoe in middle sliding chamber The pressing block of conflict, pressing block inner side end are provided with the second inclined edge surfaces being engaged with the first inclined edge surfaces, fixed in carriage It is provided with first to drive into machine, first drives into machine and be connected with bull stick, and bull stick lower end is through connecting groove and jacking into transluminal, lower slider It is rotatably engaged with bull stick, bull stick upper end is provided with the outer silk being engaged with internal thread groove, and bull stick bottom is fixedly installed installation Head, is removably provided with to process the grinding head of steel plate in mounting head, and it is directed downwardly to be provided with the beginning for left and right equity in deck Sliding chamber, can be provided with compression leg in sliding chamber up and downly, and compression leg upper end is installed with armed lever, armed lever upper end through deck and to Upper extension, equity is provided with the guide channel for connecting outside in middle sliding chamber two side, up and down in guide channel to be provided with director strip, Director strip one end is fixedly connected with pressing block, and the other end is fixedly connected with armed lever, and central frame both sides are also equipped with driving into pressure Device is entered in the up and down drive of post, and blessing device is additionally provided with collet.
  2. 2. the practical environmentally friendly grinding apparatus of one kind according to claim 1, it is characterised in that：It is described to drive into device including upper Lower extension and the screw mandrel coordinated with the director strip, are provided with attaching slot in the upper frame, the central frame upper end is provided with a left side The hole slot of right extension, the hole slot are connected to each other with the attaching slot, and screw mandrel upper end jacking is into the attaching slot and can turn It is arranged on dynamicly in the upper frame, the screw mandrel lower end is installed in rotation in the deck, is provided with the attaching slot The toe joint wheel being fixedly connected with the screw mandrel upper end, biography chain link is provided with the toe joint wheel of the left and right sides, and the biography chain link passes through institute State hole slot, the screw mandrel in left side drives into machine with being fixedly mounted on the second of the upper frame upper end and is connected.
  3. 3. the practical environmentally friendly grinding apparatus of one kind according to claim 1, it is characterised in that：The lower slider bottom is fixed First contradicted with the upper sliding bottom of chamber wall is installed and suppresses part.
  4. 4. the practical environmentally friendly grinding apparatus of one kind according to claim 1, it is characterised in that：It is also solid in the sliding chamber side wall Dingan County is equipped with second be fixedly connected with the trolley shoe and suppresses part.
  5. A kind of 5. processing unit (plant) of sheet material mounting hole according to claim 1, it is characterised in that：The blessing device includes The flat board being fixedly mounted at the lower end of the collet both sides, installing port penetrating up and down is provided with the flat board.
CN201710778639.6A 2017-09-01 2017-09-01 A kind of practical environmentally friendly grinding apparatus Withdrawn CN107855845A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201710778639.6A CN107855845A (en) 2017-09-01 2017-09-01 A kind of practical environmentally friendly grinding apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201710778639.6A CN107855845A (en) 2017-09-01 2017-09-01 A kind of practical environmentally friendly grinding apparatus

Publications (1)

Publication Number Publication Date
CN107855845A true CN107855845A (en) 2018-03-30

Family

ID=61699376

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201710778639.6A Withdrawn CN107855845A (en) 2017-09-01 2017-09-01 A kind of practical environmentally friendly grinding apparatus

Country Status (1)

Country Link
CN (1) CN107855845A (en)

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Application publication date: 20180330

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