CN104532636A - Hot mill grinding device - Google Patents
Hot mill grinding device Download PDFInfo
- Publication number
- CN104532636A CN104532636A CN201410856253.9A CN201410856253A CN104532636A CN 104532636 A CN104532636 A CN 104532636A CN 201410856253 A CN201410856253 A CN 201410856253A CN 104532636 A CN104532636 A CN 104532636A
- Authority
- CN
- China
- Prior art keywords
- defibrator
- grinding disc
- lapping device
- main shaft
- mill
- 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.)
- Granted
Links
- 230000007246 mechanism Effects 0.000 claims abstract description 34
- 238000007789 sealing Methods 0.000 claims abstract description 7
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 10
- 239000000835 fiber Substances 0.000 abstract description 7
- 238000009835 boiling Methods 0.000 description 2
- 239000011094 fiberboard Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 239000002023 wood Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000002224 dissection Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Classifications
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21B—FIBROUS RAW MATERIALS OR THEIR MECHANICAL TREATMENT
- D21B1/00—Fibrous raw materials or their mechanical treatment
- D21B1/04—Fibrous raw materials or their mechanical treatment by dividing raw materials into small particles, e.g. fibres
- D21B1/12—Fibrous raw materials or their mechanical treatment by dividing raw materials into small particles, e.g. fibres by wet methods, by the use of steam
- D21B1/14—Disintegrating in mills
Landscapes
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Wood Science & Technology (AREA)
- Mechanical Engineering (AREA)
- Crushing And Grinding (AREA)
- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
Abstract
The invention provides a hot mill grinding device which is composed of a rotating grinding disc, an axial moving grinding disc, a main shaft, a rear bearing, a rear bearing base, a thrust plate, a hydraulic thrust bearing, a front bearing base, a front bearing, a mechanical sealing device, a grinding chamber shell, a side opening door, four guide cylinders, a grinding disc clearance adjusting mechanism and a machine base. The rotating grinding disc moves along with rotation of the main shaft, and the axial moving grinding disc is driven by the grinding disc clearance adjusting mechanism to conduct axial movement. The grinding disc clearance adjusting mechanism is arranged on the outer side of the side opening door. One end of a lead screw of a worm wheel worm lead screw nut combination mechanism of the grinding disc clearance adjusting mechanism is fixed to the side opening door. The front bearing base, the rear bearing base and the thrust plate are fixed to the machine base. A front end cantilever of the main shaft is shortened in length, and the operation stability and reliability of a main shaft system are improved, so that the radial run-out error of the end of the main shaft and the end face run-out error of the rotating grinding disc are reduced, parallelism between the two grinding discs and the grinding disc clearance evenness and stability are guaranteed, and finally the quality of grinded fiber is guaranteed.
Description
Technical field
The invention belongs to timber process unit field, relate to fiberboard manufacturing equipment, be specially a kind of lapping device of defibrator.
Background technology
Defibrator is one of key equipment of fiberboard manufacture, so with the wood chip after boiling sofening treatment is separated into fiber.Defibrator is primarily of feeding screw, preheating cooker, lapping device and discharge device composition, and lapping device is the main body of defibrator, has a direct impact ground fiber quality.Existing defibrator lapping device is primarily of compositions such as grinding chamber housing, fixed millstone, movable grinding disc, axis systems.The end that fixed millstone is fixed in grinding chamber housing or side enabling, movable grinding disc is installed on main shaft, moves with main shaft.The adjustment of abrasive disk space and the applying of grinding pressure, be all to be axially moved together realization with movable grinding disc by main shaft, movable grinding disc also rotates with main shaft simultaneously.The type of drive that main shaft moves axially has hydraulic cylinder type and feed screw nut vice mechanism two kinds, and grinding chamber shell structure has upper and lower dissection type and side opening door two kinds.In existing defibrator lapping device, the structure of axis system is comparatively complicated, and main shaft had both needed to drive movable grinding disc to do high speed rotary motion, does axial displacement campaign again to adjust abrasive disk space and to apply grinding pressure simultaneously.Main shaft is " main shaft-bearing-bearing holder (housing, cover)-bearing sleeve-support " by the radial structure mode outside interior, the front and back bearings of main shaft is contained in bearing holder (housing, cover) respectively, bearing holder (housing, cover) is contained in bearing block set, bearing sleeve and support are fixed together, and be enclosed within bearing sleeve move vertically by oil cylinder or screw-nut body driving bearing.This main axle structure Problems existing is mainly manifested in two aspects: (1) exists fit clearance between bearing holder (housing, cover) and bearing sleeve, have influence on running precision and the stability of hot grinding mill main axis, and after defibrator long-term work, its this fit clearance can increase gradually, cause spindle vibration to aggravate, make gap become larger; (2) main shaft needs to axially move, therefore front-end of spindle cantilever is longer, this brings difficulty to the control of main shaft run-out error, the increase of main shaft circular runout directly affects the increase of the end face run-out of movable grinding disc, make between movable grinding disc and static cutting disk not parallel, cause abrasive disk space uneven, finally have influence on the disintegrate-quality of fiber.
Summary of the invention
For solve exist in existing defibrator lapping device main axle structure there is fit clearance and longer the brought problem of front-end of spindle cantilever between bearing holder (housing, cover) and bearing sleeve, the invention provides a kind of novel defibrator lapping device.
The present invention solves the technical scheme that its technical problem takes:
(1) a defibrator lapping device, is characterized in that: in two mills of defibrator lapping device, a mill is rotating grinding board, and another mill is for moving axially mill.
(2) structure of described lapping device by rotating grinding board, move axially mill, main shaft, rear bearing, rear bearing block, thrust plate, hydraulic thrust bearing, front-end bearing pedestal, fore bearing, mechanically-sealing apparatus, grinding chamber housing, open the door in side, 4 guide cylinder, abrasive disk space guiding mechanism, supports form; Described abrasive disk space guiding mechanism is made up of handwheel, double-speed motor, gear drive group, 2 cover worm gear-worm screw-threaded shaft nut combinations mechanisms, installing plate.
(3) described rotating grinding board is installed on main-axis end, only rotates and do not axially move with main shaft.
(4) move axially mill described in be connected with the installing plate of abrasive disk space guiding mechanism by 4 guide cylinder, driven by abrasive disk space guiding mechanism and axially move.
(5) described 4 guide cylinder are circumferentially uniformly distributed, on opening the door in side and the correspondence position at 4 guide cylinder places have the cylinder pilot hole that there is matched in clearance between guide cylinder, guide cylinder is installed in cylinder pilot hole; Move axially mill and be installed on the inner side of opening the door side, abrasive disk space guiding mechanism is installed on the outside opened the door in side; One end of the leading screw of the worm gear-worm screw-threaded shaft nut combinations mechanism of abrasive disk space guiding mechanism is fixed in the enabling of side.
(6) described front-end bearing pedestal, rear bearing block, thrust plate are fixed on support.
(7) described side has higher pressure steam inlet on opening the door.
The invention has the beneficial effects as follows: compared with current defibrator lapping device axis system, structure simplifies, spindle bearing holder is without the need to axially moving, main spindle front bearing seat, rear bearing block, thrust plate can be directly fixed on support, and front-end of spindle jib-length is shortened, improve stability, reliability that axis system runs, thus reduce the run-out error of spindle nose and the end face run-out error of rotating grinding board, ensure uniformity and the stability of the depth of parallelism between two mills, abrasive disk space, finally ensure the fiber quality ground.
Accompanying drawing explanation
Fig. 1 is that the axle of defibrator lapping device of the present invention surveys cut away view.
Fig. 2 is the shaft side figure of the abrasive disk space guiding mechanism on defibrator lapping device of the present invention.
Fig. 3 is the axonometric drawing opened the door in the side on defibrator lapping device of the present invention.
In Fig. 1, Fig. 2, Fig. 3,1-rotating grinding board, 2-move axially mill, 3-main shaft, 4-rear bearing, 5-rear bearing block, 6-thrust plate, 7-hydraulic thrust bearing, 8-front-end bearing pedestal, 9-fore bearing, 10-mechanically-sealing apparatus, 11-grinding chamber housing, the enabling of 12-side, 13-guide cylinder, 14-abrasive disk space guiding mechanism, 15-support, 16-handwheel, 17-double-speed motor, 18-gear drive group, 19-worm gear-worm screw-threaded shaft nut combinations mechanism, 20-installing plate, a-higher pressure steam inlet, b-cylinder pilot hole.
Detailed description of the invention
Below in conjunction with accompanying drawing 1, accompanying drawing 2, accompanying drawing 3, the specific embodiment of the present invention is described further.
As shown in Figure 1, Figure 2, Figure 3 shows, two mills in defibrator lapping device of the present invention, a mill is rotating grinding board, and another mill is for moving axially mill; The structure of lapping device by rotating grinding board 1, move axially mill 2, open the door 12,4 guide cylinder 13, abrasive disk space guiding mechanism 14, frames 15 of main shaft 3, rear bearing 4, rear bearing block 5, thrust plate 6, hydraulic thrust bearing 7, front-end bearing pedestal 8, fore bearing 9, mechanically-sealing apparatus 10, grinding chamber housing 11, side form; Described abrasive disk space guiding mechanism 14 is made up of handwheel 16, double-speed motor 17, gear drive group 18,2 cover worm gear-worm screw-threaded shaft nut combinations mechanism 19, installing plate 20; Rotating grinding board 1 is installed on the axle head of main shaft 3, only rotates and do not axially move with main shaft 3; Move axially mill 2 to be connected with the installing plate 20 of abrasive disk space guiding mechanism 14 by 4 guide cylinder 13, driven by abrasive disk space guiding mechanism 14 and axially move, with the gap adjusting rotating grinding board 1 and move axially between mill 2; 4 guide cylinder 13 are circumferentially uniformly distributed, and the correspondence position on 12 and 4 guide cylinder places of opening the door in side has the cylinder pilot hole b that there is matched in clearance between guide cylinder, and guide cylinder 13 is installed in cylinder pilot hole b; Move axially the inner side that mill 2 is installed on side enabling 12, abrasive disk space guiding mechanism 14 is installed on the outside of side enabling 12; One end of the leading screw of the worm gear-worm screw-threaded shaft nut combinations mechanism 19 of abrasive disk space guiding mechanism 14 is fixed in side enabling 12.
Described front-end bearing pedestal 8 and rear bearing block 5 are fixed on support 15, and the fore bearing 9 of main shaft 3 front end is high accuracy single row roller bearing, is installed on the front end of front-end bearing pedestal 8, bears radial forces, to ensure high centering precision; The rear bearing 4 of main shaft 3 rear end is spherical roller self-aligning bearing, is installed on the rear end of rear bearing block 5, supports, bear radial load to main shaft 3 rear end, compensates the coaxiality error of front and back bearings; Hydraulic thrust bearing 7 in the middle of main shaft 3 is installed on the rear end of front-end bearing pedestal 8, bears axial grinding pressure; Front-end bearing pedestal 8 is connected with rear bearing block 5, and be connected with thrust plate 6, thrust plate 6 is fixed on support 15, and grinding pressure is finally born by support 15 simultaneously.Sealing between main shaft 3 and grinding chamber housing 11 is undertaken by mechanically-sealing apparatus 10.
Because worm-and-wheel gear has auto-lock function, so after two mill primary clearances are adjusted, the axial location moving axially mill 2 just can remain unchanged, and eliminates the impact of load change on abrasive disk space, ensure that constant grinding gap.Can realize moving axially the fast advance and retreat of mill 2 by double-speed motor 17 and retreat at a slow speed, thus realize the coarse adjustment of abrasive disk space, first be connected with gear drive group 18 by electromagnetic clutch during work, and then drive the nut in worm gear-worm screw-threaded shaft nut combinations mechanism 19 rotate and move axially, installing plate 20 is driven to move axially, move axially mill 2 by 4 guide cylinder 13 drives to move axially, reach the object of adjustment abrasive disk space.After abrasive disk space coarse adjustment, make electromagnetic clutch dead electricity, double-speed motor 17 and gear drive group 18 are thrown off, and at this moment carry out precise fine-adjustment by handwheel 16 pairs of abrasive disk spaces.
Side enabling 12 has higher pressure steam inlet a, introduce pressure by higher pressure steam inlet a and enter a little more than the high steam of the indoor steam pressure of mill the space moving axially mill 2 and side and open the door between 12, the space that can effectively stop fiber to enter to move axially mill 2 and side to be opened the door between 12, prevents from blocking.
Moving axially mill 2 and side 12 centre positions of opening the door and be processed with larger circular hole, being through the feeding-passage of preheating boiling process wood chip, for installing the feed auger of lapping device.
Above-mentioned example is compared with current defibrator lapping device axis system, structure simplifies, spindle bearing holder is without the need to axially moving, main spindle front bearing seat, rear bearing block, thrust plate are directly fixed on support, and front-end of spindle jib-length is shortened, improve stability, reliability that axis system runs, thus reduce the run-out error of spindle nose and the end face run-out error of rotating grinding board, ensure uniformity and the stability of the depth of parallelism between two mills, abrasive disk space, finally ensure the fiber quality ground.
In addition to the implementation, the present invention can also have other embodiments, and all employings are equal to the technical scheme of replacement or equivalent transformation form, all drop in the protection domain of application claims.
Claims (7)
1. a defibrator lapping device, is characterized in that: in two mills of defibrator lapping device, a mill is rotating grinding board, and another mill is for moving axially mill.
2. defibrator lapping device according to claim 1, is characterized in that: described defibrator lapping device by rotating grinding board, move axially mill, open the door in main shaft, rear bearing, rear bearing block, thrust plate, hydraulic thrust bearing, front-end bearing pedestal, fore bearing, mechanically-sealing apparatus, grinding chamber housing, side, 4 guide cylinder, abrasive disk space guiding mechanism, supports form; Described abrasive disk space guiding mechanism is made up of handwheel, double-speed motor, gear drive group, 2 cover worm gear-worm screw-threaded shaft nut combinations mechanisms, installing plate.
3. defibrator lapping device according to claim 2, is characterized in that: rotating grinding board is installed on main-axis end, only rotates and do not axially move with main shaft.
4. defibrator lapping device according to claim 2, be is characterized in that: move axially mill and be connected with the installing plate of abrasive disk space guiding mechanism by 4 guide cylinder, is driven axially move by abrasive disk space guiding mechanism.
5. defibrator lapping device according to claim 2, it is characterized in that: described 4 guide cylinder are circumferentially uniformly distributed, on opening the door in side and the correspondence position at 4 guide cylinder places have the cylinder pilot hole that there is matched in clearance between guide cylinder, guide cylinder is installed in cylinder pilot hole; Move axially mill and be installed on the inner side of opening the door side, abrasive disk space guiding mechanism is installed on the outside opened the door in side; One end of the leading screw of the worm gear-worm screw-threaded shaft nut combinations mechanism of abrasive disk space guiding mechanism is fixed in the enabling of side.
6. defibrator lapping device according to claim 2, is characterized in that: described front-end bearing pedestal, rear bearing block, thrust plate are fixed on support.
7. defibrator lapping device according to claim 2, is characterized in that: described side has higher pressure steam inlet on opening the door.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410856253.9A CN104532636B (en) | 2014-12-31 | 2014-12-31 | Hot mill grinding device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410856253.9A CN104532636B (en) | 2014-12-31 | 2014-12-31 | Hot mill grinding device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104532636A true CN104532636A (en) | 2015-04-22 |
| CN104532636B CN104532636B (en) | 2017-04-12 |
Family
ID=52848246
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410856253.9A Active CN104532636B (en) | 2014-12-31 | 2014-12-31 | Hot mill grinding device |
Country Status (1)
| Country | Link |
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| CN (1) | CN104532636B (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106732936A (en) * | 2017-01-13 | 2017-05-31 | 上海维丝可纤维科技有限公司 | colloid mill |
| CN110328728A (en) * | 2019-07-24 | 2019-10-15 | 镇江中福马机械有限公司 | A kind of control mechanism for the feeding of defibrator mill |
| CN111168797A (en) * | 2020-01-15 | 2020-05-19 | 哈尔滨商业大学 | Fractal theory-based evaluation method for transverse dissociation performance of grinding piece of defibrator |
| CN111203949A (en) * | 2020-01-15 | 2020-05-29 | 哈尔滨商业大学 | Evaluation method for longitudinal dissociation performance of grinding piece of defibrator based on fractal theory |
| CN111705535A (en) * | 2020-06-04 | 2020-09-25 | 北京创源基业自动化控制技术研究所 | Energy-saving straw decomposition machine capable of automatically controlling grinding disc distance and control method |
| CN112388782A (en) * | 2020-11-13 | 2021-02-23 | 新沂市大自然木业有限公司 | Efficient defibrator for manufacturing fiber raw materials and working method thereof |
| CN112476689A (en) * | 2020-11-10 | 2021-03-12 | 菏泽市宁丰木业有限公司 | Use method for realizing production of high-quality fibers by utilizing high-precision defibrator |
| CN114645480A (en) * | 2022-03-01 | 2022-06-21 | 山东滨瑞精密机械有限公司 | Medium-consistency pulping mechanism |
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| US5398876A (en) * | 1993-07-15 | 1995-03-21 | Reinhall; Ulf B. | Apparatus and method for refining pulp stock |
| CN201206228Y (en) * | 2008-04-13 | 2009-03-11 | 镇江中福马机械有限公司 | Bearing combined structure for hot grinding mill main axis |
| CN201371494Y (en) * | 2009-03-27 | 2009-12-30 | 上海捷成白鹤木工机械有限公司 | Thermofiner refining plate interval mechanical adjusting mechanism |
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| CN202212222U (en) * | 2011-06-02 | 2012-05-09 | 林汉强 | Automatic vertical refining mill |
| CN104153233A (en) * | 2014-08-11 | 2014-11-19 | 东北林业大学 | Hot grinding experiment machine |
| CN204401350U (en) * | 2014-12-31 | 2015-06-17 | 南京林业大学 | A kind of defibrator lapping device |
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2014
- 2014-12-31 CN CN201410856253.9A patent/CN104532636B/en active Active
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| US5398876A (en) * | 1993-07-15 | 1995-03-21 | Reinhall; Ulf B. | Apparatus and method for refining pulp stock |
| CN201206228Y (en) * | 2008-04-13 | 2009-03-11 | 镇江中福马机械有限公司 | Bearing combined structure for hot grinding mill main axis |
| CN201371494Y (en) * | 2009-03-27 | 2009-12-30 | 上海捷成白鹤木工机械有限公司 | Thermofiner refining plate interval mechanical adjusting mechanism |
| CN201395735Y (en) * | 2009-03-27 | 2010-02-03 | 上海捷成白鹤木工机械有限公司 | Grinding chamber body structure with side-opening door |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106732936A (en) * | 2017-01-13 | 2017-05-31 | 上海维丝可纤维科技有限公司 | colloid mill |
| CN110328728A (en) * | 2019-07-24 | 2019-10-15 | 镇江中福马机械有限公司 | A kind of control mechanism for the feeding of defibrator mill |
| CN111168797A (en) * | 2020-01-15 | 2020-05-19 | 哈尔滨商业大学 | Fractal theory-based evaluation method for transverse dissociation performance of grinding piece of defibrator |
| CN111203949A (en) * | 2020-01-15 | 2020-05-29 | 哈尔滨商业大学 | Evaluation method for longitudinal dissociation performance of grinding piece of defibrator based on fractal theory |
| CN111168797B (en) * | 2020-01-15 | 2021-06-22 | 哈尔滨商业大学 | Fractal theory-based evaluation method for transverse dissociation performance of grinding piece of defibrator |
| CN111705535A (en) * | 2020-06-04 | 2020-09-25 | 北京创源基业自动化控制技术研究所 | Energy-saving straw decomposition machine capable of automatically controlling grinding disc distance and control method |
| CN111705535B (en) * | 2020-06-04 | 2022-04-12 | 北京创源基业自动化控制技术研究所 | Energy-saving straw decomposition machine capable of automatically controlling grinding disc distance and control method |
| CN112476689A (en) * | 2020-11-10 | 2021-03-12 | 菏泽市宁丰木业有限公司 | Use method for realizing production of high-quality fibers by utilizing high-precision defibrator |
| CN112388782A (en) * | 2020-11-13 | 2021-02-23 | 新沂市大自然木业有限公司 | Efficient defibrator for manufacturing fiber raw materials and working method thereof |
| CN114645480A (en) * | 2022-03-01 | 2022-06-21 | 山东滨瑞精密机械有限公司 | Medium-consistency pulping mechanism |
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| Publication number | Publication date |
|---|---|
| CN104532636B (en) | 2017-04-12 |
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Application publication date: 20150422 Assignee: NANJING ZHAOZHE ELECTROMECHANICAL TECHNOLOGY CO., LTD. Assignor: Nanjing Forestry University Contract record no.: 2018320000263 Denomination of invention: Hot mill grinding device Granted publication date: 20170412 License type: Common License Record date: 20181030 |
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Assignee: NANJING ZHAOZHE ELECTROMECHANICAL TECHNOLOGY CO., LTD. Assignor: Nanjing Forestry University Contract record no.: 2018320000263 Date of cancellation: 20190614 |
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Application publication date: 20150422 Assignee: Suzhou Luo Zhuo Testing Technology Co., Ltd. Assignor: Nanjing Forestry University Contract record no.: X2019320000114 Denomination of invention: Hot mill grinding device Granted publication date: 20170412 License type: Common License Record date: 20191015 Application publication date: 20150422 Assignee: Wuxi EDAR Environmental Protection Technology Co., Ltd Assignor: Nanjing Forestry University Contract record no.: X2019320000115 Denomination of invention: Hot mill grinding device Granted publication date: 20170412 License type: Common License Record date: 20191015 |
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Assignee: Wuxi EDAR Environmental Protection Technology Co.,Ltd. Assignor: NANJING FORESTRY University Contract record no.: X2019320000115 Date of cancellation: 20200727 Assignee: Suzhou Luo Zhuo Testing Technology Co.,Ltd. Assignor: NANJING FORESTRY University Contract record no.: X2019320000114 Date of cancellation: 20200727 |
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