CN110524346A - A kind of books side grinder - Google Patents
A kind of books side grinder Download PDFInfo
- Publication number
- CN110524346A CN110524346A CN201910793803.XA CN201910793803A CN110524346A CN 110524346 A CN110524346 A CN 110524346A CN 201910793803 A CN201910793803 A CN 201910793803A CN 110524346 A CN110524346 A CN 110524346A
- Authority
- CN
- China
- Prior art keywords
- grinder
- main body
- dust
- fitted
- books
- 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.)
- Pending
Links
- 239000000428 dust Substances 0.000 claims abstract description 17
- 238000004140 cleaning Methods 0.000 claims description 14
- 238000012423 maintenance Methods 0.000 claims 1
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 3
- 238000005498 polishing Methods 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 229910003460 diamond Inorganic materials 0.000 description 1
- 239000010432 diamond Substances 0.000 description 1
- 229910001651 emery Inorganic materials 0.000 description 1
- 230000008451 emotion Effects 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
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
-
- 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
- B24B47/10—Drives or gearings; Equipment therefor for rotating or reciprocating working-spindles carrying grinding wheels or workpieces
- B24B47/12—Drives or gearings; Equipment therefor for rotating or reciprocating working-spindles carrying grinding wheels or workpieces by mechanical gearing or electric power
-
- 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
- B24B55/06—Dust extraction equipment on grinding or polishing machines
-
- 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
- B24B9/00—Machines or devices designed for grinding edges or bevels on work or for removing burrs; Accessories therefor
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Grinding-Machine Dressing And Accessory Apparatuses (AREA)
Abstract
The present invention provides a kind of books side grinder, including grinder main body, top, which is equipped with, compresses moving assembly, is equipped with grinding assembly and dust removal assembly in inner cavity;It is mobile to hold down assembly including two line rail lead screws, it is respectively cooperating between two line rail lead screws and positive stop and backstop is installed, be fitted with cylinder on rear side of the middle part of backstop;The inner cavity upper end of grinder main body is arranged in grinding assembly, including horizontally disposed main shaft, main shaft are horizontally disposed with from left to right, and abrasive wheel is fitted on main shaft;Dust removal assembly includes the dust-removing box of upper end opening, and its rear end is fitted with dedusting fan, and air outlet box is equipped on the left of the intracavity posterior end of grinder main body, and air outlet box and dust-removing box are cooperatively connected.The beneficial effects of the present invention are: generally combined box-type integral structure has rigidity and stability body well, and operation is quiet, and uses totally-enclosed shield, and appearance is generous, and occupied area is small, easy to use.
Description
Technical field
The present invention relates to books side grinder technical field more particularly to a kind of books side grinders.
Background technique
Books are the main tool and mankind's blending emotion that the mankind are used to note down all achievements, obtain knowledge, succession warp
The important medium tested, the development to human civilization, contribution to hard iron.Common books are mostly at rectangular shape, the smooth nothing of four side
Burr facilitates the carrying of reader and browses.
Currently, lacking the grinding device ground to books side in the market.
Summary of the invention
To solve the above problems, have rigidity and stability body well the invention discloses a kind of books side grinder,
Operation is quiet, easy to use.
In order to reach the goals above, the invention provides the following technical scheme:
A kind of books side grinder, it is characterised in that: including grinder main body, the grinder main body is hollow cuboid
Structure, top, which is equipped with, compresses moving assembly, is equipped with grinding assembly and dust removal assembly in inner cavity;The movement hold down assembly including
Two are symmetrical set the line rail lead screw on front side of grinder body top face, are respectively cooperating between two line rail lead screws and are equipped with front
Block and backstop, and positive stop is placed in the front side of backstop, the line rail lead screw is arranged from front to back, and its rear end is connected with
The middle part rear side of servo motor, the backstop is fitted with cylinder, after the cylinder is mounted on the top surface of grinder main body
The piston rod of side, cylinder is arranged forward, and is cooperatively connected on rear side of the front end of piston rod and the middle part of backstop;The grinding assembly
The inner cavity upper end of grinder main body, including horizontally disposed main shaft are set, and the main shaft is horizontally disposed with from left to right, and main shaft
On be fitted with abrasive wheel, the top of the grinder main body and the corresponding position of abrasive wheel offer grinds, described
Main shaft is connected with driving motor;The dust removal assembly includes the dust-removing box of upper end opening, the dust-removing box and grinding
The position of wheel is corresponding, and its rear end is fitted with dedusting fan, and lower end outside dust leg and the right side of grinder main body by connecting
It is logical, air outlet box is equipped on the left of the intracavity posterior end of the grinder main body, the air outlet box and dust-removing box are cooperatively connected, and outlet air
The left side of case outside dedusting air outlet and the left side of grinder main body by being connected to.
Further, the poly- grey drawer that inside and outside can be slided is fitted in the dust leg.
Further, cleaning filter plate is fitted in the dust-removing box, the cleaning filter plate is placed in dedusting fan
Front side, cleaning handle is also fitted on the dust-removing box, and the cleaning handle is corresponding with the cleaning position of filter plate.
Further, adjustment plate is fitted on front side of the top of the grinds.
Further, the front and back side of the grinder main body offers preceding access hole and rear access hole respectively, examines before described
It is fitted with preceding access cover and rear access cover respectively at Xiu Kou and rear access hole.
Further, shield is also fitted with outside the grinder main body.
Compared with prior art, the beneficial effects of the present invention are generally combined box-type integral structure, have well just
Property and stability body, operation it is quiet, and use totally-enclosed shield, appearance is generous, and occupied area is small, easy to use;Using
The driving of linear guide servo motor, cooperates cylinder movement, realizes that end face polishing is realized in clamping and the mobile inswept emery wheel of books;Increase
Adjustment plate, no replacement is required for normal buff, can be with changing after abrasion of grinding wheel or after grinding effect is undesirable;Using dust removal assembly,
The dust that grinding generates can be effectively filtered, guarantees the air cleaner of plant building.
Detailed description of the invention
Fig. 1 is a kind of front side schematic diagram of books side of the invention grinder.
Fig. 2 is a kind of rear side schematic diagram of books side of the invention grinder.
Fig. 3 is that a kind of books side of the invention grinder removes the front side schematic diagram after shield.
Fig. 4 is that a kind of books side of the invention grinder removes the rear side schematic diagram after shield.
Fig. 5 is a kind of inner front side schematic diagram of books side of the invention grinder.
Fig. 6 is a kind of inner back side schematic diagram of books side of the invention grinder.
Reference signs list:
1- grinder main body, 2- line rail lead screw, 3- positive stop, 4- backstop, 5- servo motor, 6- cylinder, 7- main shaft, 8- grinding
Wheel, 9- driving motor, 10- dust-removing box, 11- dedusting fan, 12- dust leg, 13- air outlet box, 14- dedusting air outlet, 15- are poly-
Grey drawer, 16- clean filter plate, and 17- cleans handle, 18- adjustment plate, access cover before 19-, access cover after 20-.
Specific embodiment
With reference to the accompanying drawings and detailed description, the present invention is furture elucidated, it should be understood that following specific embodiments are only
For illustrating the present invention rather than limiting the scope of the invention.It should be noted that word " preceding " used in the following description,
" rear ", " left side " and " right side " respectively refers in attached drawing towards the direction in lower right, upper left side, lower left and upper right side, word "inner" and
"outside" refers respectively to the direction towards or away from geometric center of specific component.
As shown, a kind of books side grinder, including grinder main body 1, grinder main body 1 are hollow cuboid
Structure, top, which is equipped with, compresses moving assembly, is equipped with grinding assembly and dust removal assembly in inner cavity;It is mobile to hold down assembly including two left sides
The right side is symmetricly set on the line rail lead screw 2 on front side of 1 top surface of grinder main body, is respectively cooperating between two line rail lead screws 2 and is equipped with front
Block 3 and backstop 4, and positive stop 3 is placed in the front side of backstop 4, line rail lead screw 2 is arranged from front to back, and its rear end is cooperatively connected
There is servo motor 5, cylinder 6 is fitted on rear side of the middle part of backstop 4, after cylinder 6 is mounted on the top surface of grinder main body 1
The piston rod of side, cylinder 6 is arranged forward, and is cooperatively connected on rear side of the front end of piston rod and the middle part of backstop 4;Grinding assembly is set
It sets in the inner cavity upper end of grinder main body 1, including horizontally disposed main shaft 7, main shaft 7 is horizontally disposed with from left to right, and on main shaft 7
It is fitted with abrasive wheel 8, the top of grinder main body 1 and the corresponding position of abrasive wheel 8 offer grinds, and main shaft 7 is matched
Conjunction is connected with driving motor 9;Dust removal assembly includes the dust-removing box 10 of upper end opening, the position of dust-removing box 10 and abrasive wheel 8
Corresponding, its rear end is fitted with dedusting fan 11, and lower end passes through to be connected to outside dust leg 12 and the right side of grinder main body 1,
Air outlet box 13 is equipped on the left of the intracavity posterior end of grinder main body 1, air outlet box 13 and dust-removing box 10 are cooperatively connected, and air outlet box 13
Left side by being connected to outside dedusting air outlet 14 and the left side of grinder main body 1.
In the present embodiment, the poly- grey drawer 15 that inside and outside can be slided is fitted in dust leg 12, in dust-removing box 10
It is fitted with cleaning filter plate 16, cleaning filter plate 16 is placed in the front side of dedusting fan 11, is also fitted on dust-removing box 10
Handle 17 is cleaned, cleaning handle 17 is corresponding with the cleaning position of filter plate 16.
In the present embodiment, adjustment plate 18 is fitted on front side of the top of grinds.
In the present embodiment, the front and back side of grinder main body 1 offers preceding access hole and rear access hole, preceding access hole respectively
With preceding access cover 19 and rear access cover 20 are fitted at rear access hole respectively.
In the present embodiment, shield is also fitted with outside grinder main body 1.
Complete machine of the invention is welded using whole steel sheet and combined box-type integral structure, there is good rigidity and stability
Body, operation is quiet, and totally-enclosed shield, appearance is generous, and occupied area is small, easy to use;Main shaft 7 is driven by driving motor 9, volume
Determining revolving speed is 3000RPM, adjustable speed and effect, and abrasive wheel 8 is having a size of 150*320mm, and main, 7 installation bearings are using high speed
Imported bearing NSK/SKF, durable;Using 2 servo motor 5 of line rail lead screw drive, cooperation cylinder 6 act, realize clamping and
The mobile inswept abrasive wheel 8 of books realizes end face polishing;Using diamond abrasive, 80 mesh of specification, detachable roller installation, list is only
Polishing estimates the period up to 120 days or so (depending on field working conditions changeable);Front and back block distance is up to 150mm, minimum range
For 5mm, spacing is adjustable, stop width 320mm;Increase adjustment plate 18, no replacement is required for normal buff, abrasive wheel 8 wear after or
It can be with changing after person's grinding effect is undesirable, theory only needs to change primary.
The technical means disclosed in the embodiments of the present invention is not limited only to technological means disclosed in above embodiment, further includes
Technical solution consisting of any combination of the above technical features.It should be pointed out that for those skilled in the art
For, various improvements and modifications may be made without departing from the principle of the present invention, these improvements and modifications are also considered as
Protection scope of the present invention.
Claims (6)
1. a kind of books side grinder, it is characterised in that: including grinder main body (1), the grinder main body (1) is hollow
Rectangular parallelepiped structure, top, which is equipped with, compresses moving assembly, and grinding assembly and dust removal assembly are equipped in inner cavity;
The movement, which holds down assembly, is symmetrical set line rail lead screw (2) on front side of grinder main body (1) top surface including two, and two
It is respectively cooperating between line rail lead screw (2) and positive stop (3) and backstop (4) is installed, and positive stop (3) is placed in backstop (4)
Front side, the line rail lead screw (2) are arranged from front to back, and its rear end is connected with servo motor (5), the backstop (4)
It is fitted with cylinder (6) on rear side of middle part, the cylinder (6) is mounted on rear side of the top surface of grinder main body (1), cylinder (6)
Piston rod is arranged forward, and is cooperatively connected on rear side of the middle part of the front end of piston rod and backstop (4);
The grinding assembly is arranged in the inner cavity upper end of grinder main body (1), including horizontally disposed main shaft (7), the main shaft
(7) be horizontally disposed with from left to right, and be fitted with abrasive wheel (8) on main shaft (7), the top of the grinder main body (1) with
The corresponding position of abrasive wheel (8) offers grinds, and the main shaft (7) is connected with driving motor (9);
The dust removal assembly includes the dust-removing box (10) of upper end opening, the position of the dust-removing box (10) and abrasive wheel (8)
Corresponding, its rear end is fitted with dedusting fan (11), outside right side of the lower end by dust leg (12) and grinder main body (1)
The intracavity posterior end left side of connection, the grinder main body (1) is equipped with air outlet box (13), the air outlet box (13) and dust-removing box
(10) it is cooperatively connected, and the left side of air outlet box (13) outside dedusting air outlet (14) and the left side of grinder main body (1) by being connected to.
2. a kind of books side grinder according to claim 1, it is characterised in that: cooperation peace in the dust leg (12)
Equipped with the poly- grey drawer (15) that inside and outside can be slided.
3. a kind of books side grinder according to claim 2, it is characterised in that: cooperation in the dust-removing box (10)
Cleaning filter plate (16) is installed, cleaning filter plate (16) is placed in the front sides of dedusting fan (11), on the dust-removing box (10)
It is also fitted with cleaning handle (17), cleaning handle (17) is corresponding with the cleaning position of filter plate (16).
4. a kind of books side grinder according to claim 1, it is characterised in that: match on front side of the top of the grinds
Conjunction is equipped with adjustment plate (18).
5. a kind of books side grinder according to claim 1, it is characterised in that: before the grinder main body (1)
Rear side offers preceding access hole and rear access hole respectively, is fitted with preceding maintenance respectively at the preceding access hole and rear access hole
Cover (19) and rear access cover (20).
6. a kind of books side grinder according to claim 1, it is characterised in that: the grinder main body (1) is gone back outside
It is fitted with shield.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201910793803.XA CN110524346A (en) | 2019-08-27 | 2019-08-27 | A kind of books side grinder |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201910793803.XA CN110524346A (en) | 2019-08-27 | 2019-08-27 | A kind of books side grinder |
Publications (1)
Publication Number | Publication Date |
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CN110524346A true CN110524346A (en) | 2019-12-03 |
Family
ID=68664342
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201910793803.XA Pending CN110524346A (en) | 2019-08-27 | 2019-08-27 | A kind of books side grinder |
Country Status (1)
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CN (1) | CN110524346A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111941264A (en) * | 2020-09-07 | 2020-11-17 | 江苏三叶智能装备股份有限公司 | Integrated intelligent hardcover book grinding machine |
CN111941263A (en) * | 2020-09-07 | 2020-11-17 | 江苏三叶智能装备股份有限公司 | Novel hardcover book grinds machine |
Citations (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100659508B1 (en) * | 2006-03-13 | 2006-12-20 | (주)한보월드 | Grinder |
CN103317411A (en) * | 2013-05-16 | 2013-09-25 | 吴江市美晟机械设备有限公司 | Automatic edge grinding mechanism |
CN205111592U (en) * | 2015-11-26 | 2016-03-30 | 陈美青 | Dust removing grinder |
KR101637034B1 (en) * | 2016-02-05 | 2016-07-07 | 지티앤피주식회사 | Industrial surface flapwheel sanding and dust collecting robot |
CN205852436U (en) * | 2016-06-03 | 2017-01-04 | 无锡职业技术学院 | Vibration sanding apparatus concentrated by a kind of new book |
CN207027139U (en) * | 2017-07-31 | 2018-02-23 | 重庆灵烽纸业有限公司 | A kind of edging printing equipment of high watt of paper reel machine |
CN207272933U (en) * | 2017-10-20 | 2018-04-27 | 冯传勇 | Archives of paper quality and historical relic reparation arrange special grinding machine |
CN207771600U (en) * | 2017-12-19 | 2018-08-28 | 吴世亮 | A kind of removable grinding machine vacuum cleaner reducing noise |
CN208514234U (en) * | 2018-05-22 | 2019-02-19 | 泰山石膏(福建)有限公司 | A kind of Thistle board corner grinding device |
CN208663338U (en) * | 2018-04-08 | 2019-03-29 | 合肥合信包装有限公司 | A kind of fixed device of paperboard grade (stock) edging |
CN209007322U (en) * | 2018-10-16 | 2019-06-21 | 杭州特莱斯化工设备有限公司 | A kind of metal grinding machine with noise reduction deashing |
CN209095232U (en) * | 2018-11-07 | 2019-07-12 | 沈阳大学 | A kind of decorative art of book automatically grinding device |
CN211277713U (en) * | 2019-08-27 | 2020-08-18 | 江苏三叶智能装备股份有限公司 | Book side grinding machine |
-
2019
- 2019-08-27 CN CN201910793803.XA patent/CN110524346A/en active Pending
Patent Citations (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100659508B1 (en) * | 2006-03-13 | 2006-12-20 | (주)한보월드 | Grinder |
CN103317411A (en) * | 2013-05-16 | 2013-09-25 | 吴江市美晟机械设备有限公司 | Automatic edge grinding mechanism |
CN205111592U (en) * | 2015-11-26 | 2016-03-30 | 陈美青 | Dust removing grinder |
KR101637034B1 (en) * | 2016-02-05 | 2016-07-07 | 지티앤피주식회사 | Industrial surface flapwheel sanding and dust collecting robot |
CN205852436U (en) * | 2016-06-03 | 2017-01-04 | 无锡职业技术学院 | Vibration sanding apparatus concentrated by a kind of new book |
CN207027139U (en) * | 2017-07-31 | 2018-02-23 | 重庆灵烽纸业有限公司 | A kind of edging printing equipment of high watt of paper reel machine |
CN207272933U (en) * | 2017-10-20 | 2018-04-27 | 冯传勇 | Archives of paper quality and historical relic reparation arrange special grinding machine |
CN207771600U (en) * | 2017-12-19 | 2018-08-28 | 吴世亮 | A kind of removable grinding machine vacuum cleaner reducing noise |
CN208663338U (en) * | 2018-04-08 | 2019-03-29 | 合肥合信包装有限公司 | A kind of fixed device of paperboard grade (stock) edging |
CN208514234U (en) * | 2018-05-22 | 2019-02-19 | 泰山石膏(福建)有限公司 | A kind of Thistle board corner grinding device |
CN209007322U (en) * | 2018-10-16 | 2019-06-21 | 杭州特莱斯化工设备有限公司 | A kind of metal grinding machine with noise reduction deashing |
CN209095232U (en) * | 2018-11-07 | 2019-07-12 | 沈阳大学 | A kind of decorative art of book automatically grinding device |
CN211277713U (en) * | 2019-08-27 | 2020-08-18 | 江苏三叶智能装备股份有限公司 | Book side grinding machine |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111941264A (en) * | 2020-09-07 | 2020-11-17 | 江苏三叶智能装备股份有限公司 | Integrated intelligent hardcover book grinding machine |
CN111941263A (en) * | 2020-09-07 | 2020-11-17 | 江苏三叶智能装备股份有限公司 | Novel hardcover book grinds machine |
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