CN2934317Y - High concentration pulp grinder - Google Patents

High concentration pulp grinder Download PDF

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Publication number
CN2934317Y
CN2934317Y CN 200620082432 CN200620082432U CN2934317Y CN 2934317 Y CN2934317 Y CN 2934317Y CN 200620082432 CN200620082432 CN 200620082432 CN 200620082432 U CN200620082432 U CN 200620082432U CN 2934317 Y CN2934317 Y CN 2934317Y
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China
Prior art keywords
bearing
main shaft
casing
fixed
machine
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Expired - Lifetime
Application number
CN 200620082432
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Chinese (zh)
Inventor
周善亮
王泽刚
汪会秋
苗海滨
高延庆
庞同国
崔利胜
刘卫平
宗慧
李多淑
田刚
荆静
成延胜
王广通
魏光明
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SHANDONG CHENZHONG MACHINERY CO Ltd
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SHANDONG CHENZHONG MACHINERY CO Ltd
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Priority to CN 200620082432 priority Critical patent/CN2934317Y/en
Application granted granted Critical
Publication of CN2934317Y publication Critical patent/CN2934317Y/en
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Abstract

A high concentration pulp grinding machine comprises a feeding screw mechanism, an opening device, a machine cover, a machine casing, a machine body, a motor and a concrete foundation. The machine cover is connected together with the machine casing through a bolt. The machine casing is fixedly connected with the machine body. The motor and the machine body are fixed on the concrete foundation. The motor is connected with a main shaft arranged inside the machine body through a coupling. The main shaft is positioned in a main bearing unit. The feeding screw mechanism is fixed on the machine cover. A grinding zone consists of a static grinding disc and a dynamic grinding disc is positioned inside the machine casing. The static grinding disc is fixed on the machine cover while the dynamic grinding disc is connected and fixed on a rotating disc. The rotating disc is connected with the main shaft. A feed mechanism is arranged on the machine body. The utility model is characterized in that the main bearing unit adopts the technology of the flexible preload, which slows the wear of the bearing and extends the service life of the equipment. The feeding screw mechanism is connected with the opening mechanism, which makes the replacement of the grinding disc is more convenient, rapid and the reset is accurate. The method of the circulating lubrication is used for the main bearing. Two independent operation modes of the hydraulic feed and manual feed are used for the feed mechanism.

Description

High-concentration paste mill
Technical field
The utility model belongs to pulping and papermaking equipments, particularly a kind of high-concentration paste mill.
Background technology
The fibers in grass class raw pulp of China is with a long history, is that world's non-wood-fiber papermaking output is maximum, the country that experience is the abundantest.Along with the enhancing of society to environmental consciousness, the problem of making grass pulp papermaking and contradiction just reveal gradually, especially adopt traditional pulping process environmental pollution quite serious, the road of high dense slurrying is the effective way that effectively reduces water resources consumption and dwindle pollution sources.
Current, the main both at home and abroad defibrator of band press operation that uses is handled the wood chip slurry, the device structure complexity, process system is loaded down with trivial details, the domestic operation principle that also has minority producer to use for reference defibrator has designed the high concentration refining equipment, is used to handle fibers in grass class, has obtained certain result of use, but the equipment overall technology also has a lot of weak points, and its structure needs further to upgrade perfect.
Summary of the invention
It is little that technical problem to be solved in the utility model provides a kind of bearing wear, and long service life is changed mill high-concentration paste mill easily.
The utility model high-concentration paste mill, comprise feeding serew mechanism, device for opening, cover, casing, body, motor and concrete foundation, cover and casing link together by bolt, casing is fixedlyed connected with body, motor and body are fixed on the concrete foundation, motor is connected with main shaft in being installed in body by shaft coupling, main shaft is located in the main bearing unit, feeding serew mechanism is fixed on the cover, have stock inlet on it, bottom of shell has grout outlet, form the mill district by static cutting disk and movable grinding disc in the casing, static cutting disk is fixed on the cover, movable grinding disc is fastened on the rotating disk, rotating disk connects with main shaft, be installed into cutter mechanism on the body, it is characterized in that described main bearing unit comprises left base bearing and right base bearing, left side base bearing is installed in the bearing chamber, left side base bearing is added with bearing washer outward, between bearing chamber and the right base bearing bearing spacer is installed, right base bearing is installed bearing washer outward successively, round nut, round nut are fixed on the main shaft, and the two sides of bearing spacer are added with left flexible member and right flexible member respectively.
The utility model main bearing unit has adopted flexible preload Technique, and the equipment that can guarantee remains contact condition between bearing roller and the bearing enclose in course of normal operation, help reducing the wearing and tearing of bearing, increases the service life.According to the service load situation, reserve the axial working gap of left base bearing and right base bearing, a left side flexible member and right flexible member provide axial pre tightening force for left base bearing and right base bearing, difference according to pretightning force, can adjust the quantity of left flexible member and right flexible member, generally, the quantity of left flexible member is 8-12, the quantity of right flexible member is 4-6, and the pretightning force that can provide is 10000N-15000N.
The utility model feeding serew mechanism connects device for opening, device for opening comprises supporting traverse, support roller, carriage, screw mandrel and support, supporting traverse is fixed on the concrete foundation, support roller is contained on the supporting traverse, support roller and carriage link together by bearing pin, carriage and screw mandrel link together by bolt, and screw mandrel and support are fixed by bolts to one, and support and feeding serew mechanism are bolted together.Supporting traverse is used for the guiding and the load-bearing effect of support roller, when changing mill, at first opens feeding serew mechanism and is connected with bolt between cover, promotes feeding serew mechanism, moves and accurately resets along the fast linear of supporting traverse by the support roller realization.
Described delivering gear comprises hydraulic pressure advance and retreat knife system and the knife system of manually advancing and retreat.
Hydraulic pressure advance and retreat knife system comprises slip cylinder sleeve and cylinder body, and slip cylinder sleeve and main bearing unit link together by bolt, and cylinder body is in the same place by bolting with body, and slip cylinder sleeve and cylinder body are formed oil cylinder, and oil cylinder is connected with hydraulic power unit.When hydraulic power unit provides pressure oil for hydraulic pressure advance and retreat knife system, also provide lubricating oil for main bearing unit.The direction of control hydraulic oil can make the slip cylinder sleeve advance or retreats, thereby main bearing unit is advanced or retreats, and main bearing unit and main shaft keep in axially-movable synchronously, and cutter is operated thereby realization is advanced and retreat.
Manually the advance and retreat knife system comprises handwheel, worm and worm wheel, and handwheel connects worm screw, the worm and wheel engagement, and worm gear connects main shaft by trapezoidal thread.Handwheel drives the worm screw rotation, after the worm and wheel engagement, drives the worm gear rotation, thereby rotatablely moving of handwheel is converted into moving axially of main shaft.
The utility model also is provided with emergency bearing oil pump on concrete foundation; emergency bearing oil pump connects with shaft coupling, is the stand-by provision that lubricating oil is provided for main bearing unit, and the shaft coupling periphery is provided with protective cover; be used for shaft coupling is carried out the safeguard protection effect, prevent from personnel are caused personal injury.
Oil return apparatus also is installed on the body, is used for the rich lubricating oil of main bearing unit in time is back to hydraulic power unit; The casing back connects the dilution water device, is used to regulate slurry concentration; Be connected sealing water device between casing and the main shaft, be used for the sealing at position, main shaft He Mo district, prevent that slurry is excessive; Detecting element connects with bolt, and an end is fixed on the body, and the other end is fixed on the main shaft, can detect abrasive disk space timely and accurately, and provides feedback signal for control system.
Rotating disk can adopt no key interference to be connected with main shaft.
The course of work of the utility model high-concentration paste mill is: enter in the feeding serew from feeding serew mechanism inlet through pretreated slurry, conveying effect by spiral advances slurry in the casing, enter between static cutting disk and the movable grinding disc, the motor drives main axis rotation, main shaft drives the rotating disk rotation, and then drive movable grinding disc rotation, making slurry at first carry out defibrination between static cutting disk and movable grinding disc handles, dilution water injects in the casing by the dilution water device, after slurry is diluted to 3%~5%, discharge by the discharging opening of casing side.
Advantage of the present utility model: (1) device for opening makes that the replacing mill is convenient, quick and resets accurately; (2) base bearing adopts the circulating lubricating mode, uses two oil pumps fuel feeding respectively, and when an oil pump went wrong, another oil pump can satisfy the fuel delivery of base bearing; (3) the advance and retreat cutter mechanism adopts the mode of hydraulic pressure advance and retreat cutter and two kinds of independent operations of manual advance and retreat cutter, under the normal condition, uses hydraulic pressure advance and retreat cutter mode, when hydraulic system fails, adopts manual operation, the continuous operation of assurance equipment; (4) consider that this equipment is under the high-speed overload condition all the time and work,, adopted flexible firmly beforehand means, slowed down bearing wear greatly, prolonged equipment service life for reducing the wearing and tearing of base bearing; (5) no key interconnection technique is adopted in main shaft and rotating disk junction, is providing under the prerequisite of transmitting large torque, has guaranteed that the installation accuracy of rotating disk and mounting or dismounting unload convenience.
Description of drawings
Fig. 1 is the structural representation of the utility model embodiment;
Fig. 2 is the front view of device for opening among the utility model embodiment;
Fig. 3 is the left view of device for opening among the utility model embodiment;
Fig. 4 is the flexible pre-pressing structure schematic diagram of base bearing among the utility model embodiment;
Fig. 5 is the structural representation of hydraulic pressure advance and retreat knife system among the utility model embodiment;
Fig. 6 is the structural representation of manual advance and retreat knife system among the utility model embodiment.
Among the figure: 1 feeding serew mechanism, 2 device for opening, 3 covers, 4 static cutting disks, 5 movable grinding discs, 6 casings, 7 dilution water devices, 8 main shafts, 9 main bearing units, 10 hydraulic pressure advance and retreat knife system 11 is advance and retreat knife system 12 protective covers 13 shaft couplings 14 motor 15 solidifying earth foundation 16 emergency bearing oil pumps 17 hydraulic power units 18 oil return apparatus 19 detecting elements 20 bodies 21 sealing water devices 22 rotating disks 23 material toggling dishes 24 supporting traverses 25 support rollers 26 carriages 27 screw mandrels 28 supports 29 left flexible member 30 bearing chambers 31 bearing washers 32 left base bearing 33 bearing spacers 34 right flexible member 35 right base bearing 36 round nuts 37 bearing washers 38 slip cylinder sleeves 39 cylinder bodies 40 handwheels 41 worm screws 42 worm gears manually
The specific embodiment
Shown in Fig. 2-3, device for opening 2 comprises supporting traverse 24, support roller 25, carriage 26, screw mandrel 27 and support 28, be fixed on supporting traverse 24 on the concrete foundation 15 and be used for the guiding and the load-bearing effect of support roller 25, support roller 25 and carriage 26 link together by bearing pin, carriage 26 and screw mandrel 27 link together by bolt, screw mandrel 27 and support 28 are fixed by bolts to one, support 28 is bolted together with feeding serew mechanism 1, feeding serew mechanism 1 is fixed on the cover 3, when changing mill, the bolt of at first opening feeding serew mechanism 1 and 3 of covers is connected, promote feeding serew mechanism 1, realize moving and accurately resetting along the fast linear of supporting traverse 24 by support roller 25.As Fig. 1; cover 3 and casing 6 link together by bolt; static cutting disk 4 is fastened on the cover 3 by bolt; movable grinding disc 5 is fastened on the rotating disk 22 by bolt; rotating disk 22 is linked together by no key interference interconnection technique with main shaft 8; dilution water device 7 is connected casing 6 back by flange; be used to regulate slurry concentration; casing 6 and body 20 are bolted together; and position with taper bolt; 20 pairs of main shafts 8 of body; main bearing unit 9; manual advance and retreat knife system 11; parts such as hydraulic pressure advance and retreat knife system 10 and rotating disk 22 play important supporting role; main bearing unit 9 is used for supports main shaft 8 and is rotated; and bear the axial force in autogenous grinding district; hydraulic pressure advance and retreat knife system 10 is used for the advance and retreat cutter operation of main shaft 8; as Fig. 5; its cylinder body 39 is connected with body 20; manually advance and retreat knife system 11 is realized the stand-by provision of advance and retreat cutter operation as main shaft 8; be connected by bolt with body 20; shaft coupling 13 is given main shaft 8 transmission of power of motor 14; for emergency bearing oil pump 16 provides power; and allow main shaft to move axially; protective cover 12 is used for shaft coupling 13 is carried out the safeguard protection effect; prevent from personnel are caused personal injury; concrete foundation 15 is as the bearing unit of body 20 and motor 14; when hydraulic power unit 17 provides pressure oil for hydraulic pressure advance and retreat knife system 10; also provide lubricating oil for main bearing unit 9; emergency bearing oil pump 16 is stand-by provisions that lubricating oil is provided for main bearing unit 9, is connected by V belt with shaft coupling.Oil return apparatus 18 is used for the rich lubricating oil of main bearing unit 9 in time is back to hydraulic power unit 17, detecting element 19 usefulness bolts connect, one end is fixed on the body 20, the other end is fixed on the main shaft 8, can detect abrasive disk space timely and accurately, and provide feedback signal for control system, sealing water device 21 is installed in the sealing that is used for position, main shaft 8 He Mo district between casing 6 and the main shaft 8, prevent that slurry is excessive, material toggling dish 23 is used for and will in time breaks up and be transported to rapidly the mill district that is made up of static cutting disk 4 and movable grinding disc 5 from the slurry of feeding serew mechanism 1, prevents from that slurry from accumulating to cause mill district's clogging to take place.
As shown in Figure 4, main bearing unit 9 comprises left base bearing 32 and right base bearing 35, left side base bearing 32 is installed in the bearing chamber 30, left side base bearing is added with bearing washer 31 outward, bearing spacer 33 is installed between bearing chamber 30 and the right base bearing 35, right base bearing connects round nut 36 by bearing washer 37 outward, and round nut 36 is fixed on the main shaft 8, and the two sides of bearing spacer 33 are added with right flexible member 34 and left flexible member 29 respectively.According to the service load situation, reserve the axial working gap of left base bearing 32 and right base bearing 35, be generally 0.15~0.3mm, left side flexible member 29 and right flexible member 34 are installed in the two sides of bearing spacer 33, for left base bearing 32 and right base bearing 35 provide axial pre tightening force, difference according to pretightning force, can adjust down the quantity of flexible member 29 and last flexible member 34, generally, the quantity of left side flexible member 29 is 8-12, the quantity of right flexible member 34 is 4-6, and the pretightning force that can provide is 10000N-15000N.
As shown in Figure 5, main bearing unit 9 keeps synchronous with main shaft 8 in axially-movable, main bearing unit 9 and slip cylinder sleeve 38 link together by bolt, cylinder body 39 and body 20 are in the same place by bolting, slip cylinder sleeve 38 and cylinder body 39 are formed oil cylinder, by the direction of control hydraulic oil, realize the operation of advance and retreat cutter.
As shown in Figure 6, handwheel 40 drives worm screw 41 rotations, and worm screw 41 drives worm gear 42 rotations after meshing with worm gear 42, links together by trapezoidal thread between worm gear 42 and the main shaft 8, thereby rotatablely moving of handwheel 40 is converted into moving axially of main shaft 8.
The course of work of high-concentration paste mill of the present utility model: enter in the feeding serew through the inlet of pretreated slurry from feeding serew mechanism 1, conveying effect by spiral advances slurry in the casing 6, enter between static cutting disk 4 and the movable grinding disc 5, motor 14 drives main shaft 8 rotations, main shaft 8 drives rotating disk 22 rotations, and then drive movable grinding disc 5 rotations, making slurry at first carry out defibrination between static cutting disk 4 and movable grinding disc 5 handles, dilution water injects in the casing 6 by dilution water device 7, after slurry is diluted to 3%~5%, discharge by the discharging opening of casing 6 sides.

Claims (9)

1, a kind of high-concentration paste mill, comprise feeding serew mechanism (1), device for opening (2), cover (3), casing (6), body (20), motor (14) and concrete foundation (15), cover (3) links together by bolt with casing (6), casing (6) is fixedlyed connected with body (20), motor and body are fixed on the concrete foundation, motor (14) is connected by shaft coupling (13) main shaft (8) interior with being installed in body, main shaft (8) is located in the main bearing unit (9), feeding serew mechanism (1) is fixed on the cover (3), have stock inlet on it, bottom of shell has grout outlet, form the mill district by static cutting disk (4) and movable grinding disc (5) in the casing, static cutting disk (4) is fixed on the cover (3), movable grinding disc (5) is fastened on the rotating disk (22), rotating disk (22) connects with main shaft (8), be installed into cutter mechanism on the body, it is characterized in that described main bearing unit (9) comprises left base bearing (32) and right base bearing (35), left side base bearing (32) is installed in the bearing chamber (30), left side base bearing is added with bearing washer (31) outward, between bearing chamber (30) and the right base bearing (35) bearing spacer (33) is installed, right base bearing is installed bearing washer (37) outward successively, round nut (36), round nut (36) is fixed on the main shaft (8), and the two sides of bearing spacer are added with right flexible member (34) and left flexible member (29) respectively.
2, high-concentration paste mill according to claim 1, the quantity that it is characterized in that described left flexible member is 8-12, the quantity of right flexible member is 4-6.
3, high-concentration paste mill according to claim 1, it is characterized in that described device for opening (2) connects feeding serew mechanism (1), device for opening (2) comprises supporting traverse (24), support roller (25), carriage (26), screw mandrel (27) and support (28), supporting traverse (24) is fixed on the concrete foundation, support roller (25) is contained on the supporting traverse (24), support roller and carriage link together by bearing pin, carriage (26) links together by bolt with screw mandrel (27), screw mandrel (27) and support (28) are fixed by bolts to one, and support (28) is bolted together with feeding serew mechanism (1).
4, high-concentration paste mill according to claim 1 is characterized in that described delivering gear comprises hydraulic pressure advance and retreat knife system (10) and the knife system (11) of manually advancing and retreat.
5, high-concentration paste mill according to claim 4, it is characterized in that described hydraulic pressure advance and retreat knife system comprises slip cylinder sleeve (38) and cylinder body (39), slip cylinder sleeve (38) links together by bolt with main bearing unit (9), cylinder body (39) and body (20) are by bolting together, slip cylinder sleeve and cylinder body are formed oil cylinder, and oil cylinder is connected with hydraulic power unit (17).
6, high-concentration paste mill according to claim 4, it is characterized in that described manual advance and retreat knife system comprises handwheel (40), worm screw (41) and worm gear (42), handwheel (40) connects worm screw (41), worm screw (41) and worm gear (42) engagement, and worm gear connects main shaft (8) by trapezoidal thread.
7, high-concentration paste mill according to claim 1 is characterized in that concrete foundation is provided with emergency bearing oil pump (16), and emergency bearing oil pump connects with shaft coupling (13).
8, high-concentration paste mill according to claim 1 is characterized in that being equipped with on the body oil return apparatus (18), and the casing back connects dilution water device (7), is connected between casing and the main shaft to seal water device (21).
9, high-concentration paste mill according to claim 1 is characterized in that described rotating disk (22) and main shaft (8) adopt no key interference to be connected.
CN 200620082432 2006-03-28 2006-03-28 High concentration pulp grinder Expired - Lifetime CN2934317Y (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 200620082432 CN2934317Y (en) 2006-03-28 2006-03-28 High concentration pulp grinder

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Application Number Priority Date Filing Date Title
CN 200620082432 CN2934317Y (en) 2006-03-28 2006-03-28 High concentration pulp grinder

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CN2934317Y true CN2934317Y (en) 2007-08-15

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Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101292720B (en) * 2008-06-12 2011-05-18 唐后福 Integrated fiberizer of slurry slag circulation
CN102230294A (en) * 2011-06-14 2011-11-02 李刚荣 High-milling type mill disk and high-milling type impregnating disk mill
CN103255667A (en) * 2013-05-20 2013-08-21 华南理工大学 High-consistency hydraulic disc mill
CN107974857A (en) * 2017-12-19 2018-05-01 郑州运达造纸设备有限公司 A kind of double disc refiner is into withdrawing automatic control system and method
CN110205850A (en) * 2019-06-22 2019-09-06 李克明 Stalk fibre devillicate machine
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
CN114214859A (en) * 2022-01-17 2022-03-22 郑州运达造纸设备有限公司 Filamentation machine
CN114457608A (en) * 2022-03-01 2022-05-10 山东滨瑞精密机械有限公司 High-concentration pulping machine

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101292720B (en) * 2008-06-12 2011-05-18 唐后福 Integrated fiberizer of slurry slag circulation
CN102230294A (en) * 2011-06-14 2011-11-02 李刚荣 High-milling type mill disk and high-milling type impregnating disk mill
CN102230294B (en) * 2011-06-14 2014-01-15 李刚荣 High-milling type mill disk and high-milling type impregnating disk mill
CN103255667A (en) * 2013-05-20 2013-08-21 华南理工大学 High-consistency hydraulic disc mill
CN107974857A (en) * 2017-12-19 2018-05-01 郑州运达造纸设备有限公司 A kind of double disc refiner is into withdrawing automatic control system and method
CN107974857B (en) * 2017-12-19 2023-05-23 郑州运达造纸设备有限公司 Automatic control system and method for feeding and retracting blades of double-disc pulping machine
CN110205850A (en) * 2019-06-22 2019-09-06 李克明 Stalk fibre devillicate machine
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
CN114214859A (en) * 2022-01-17 2022-03-22 郑州运达造纸设备有限公司 Filamentation machine
CN114457608A (en) * 2022-03-01 2022-05-10 山东滨瑞精密机械有限公司 High-concentration pulping machine

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Granted publication date: 20070815

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