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CN201676816U - Wood chip screen - Google Patents

Wood chip screen Download PDF

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Publication number
CN201676816U
CN201676816U CN2009203513808U CN200920351380U CN201676816U CN 201676816 U CN201676816 U CN 201676816U CN 2009203513808 U CN2009203513808 U CN 2009203513808U CN 200920351380 U CN200920351380 U CN 200920351380U CN 201676816 U CN201676816 U CN 201676816U
Authority
CN
China
Prior art keywords
wood chip
sieve nest
reciprocating gird
power transmission
transmission shaft
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.)
Expired - Fee Related
Application number
CN2009203513808U
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Chinese (zh)
Inventor
祁旦
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.)
ZHUZHOU NEW TIMES CONVEYOR MACHINERY CO Ltd
Original Assignee
ZHUZHOU NEW TIMES CONVEYOR MACHINERY CO Ltd
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 ZHUZHOU NEW TIMES CONVEYOR MACHINERY CO Ltd filed Critical ZHUZHOU NEW TIMES CONVEYOR MACHINERY CO Ltd
Priority to CN2009203513808U priority Critical patent/CN201676816U/en
Application granted granted Critical
Publication of CN201676816U publication Critical patent/CN201676816U/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Abstract

An embodiment of the utility model discloses a wood chip screen, which comprises a screen body, a transmission shaft, a driver and a transmission device. One end of the transmission shaft is connected with the screen body while the other end is connected with the driver via the transmission device, the screen body is inclined to the horizontal line, and the transmission shaft is arranged eccentrically. By aid of the eccentric design of the transmission shaft of the wood chip screen, wood chips can be screened during production. Besides, the wood chip screen is provided with two layers of screen plates which can realize refining screen of wood chips need to be screened, quality of the screened wood chips is better, and screening effect of the wood chip screen is improved.

Description

The wood chip reciprocating gird
Technical field
The utility model relates to the chip classification field of mechanical technique, particularly relates to a kind of wood chip reciprocating gird.
Background technology
At present, in slurrying, papermaking, wood-based plate industry, because the requirement of production technology self need be carried out Screening Treatment to the wood chip after chipping, to improve the quality of wood chip.
But existing sieving machine can't reach the purpose of screening wood chip on performance, and also can't satisfy the requirement of screening wood chip on the screening effect of existing sieving machine.
The utility model content
In view of this, the utility model provides a kind of wood chip reciprocating gird, to realize wood chip screening purpose.
To achieve these goals, the utility model provides following scheme:
A kind of wood chip reciprocating gird comprises: sieve nest, power transmission shaft, driving and transmission device, wherein:
One end of described power transmission shaft links to each other with described sieve nest, is connected by described transmission device between the other end and the described driving;
Described sieve nest and horizontal line tilt;
Described power transmission shaft is set for the eccentric.
Preferably, described power transmission shaft specifically comprises, eccentric shaft, main shaft and connector;
Described eccentric shaft and described main shaft link together by described connector;
The axis of described main shaft and described eccentric shaft is not point-blank.
Preferably, described sieve nest is provided with two-layer sieve plate, and the ground floor sieve plate is provided with the over-sized chips discharging opening, and second layer sieve plate is provided with the accepted chips discharging opening and is provided with the wood chip discharging opening in its bottom.
Preferably, described sieve plate is a round-hole punched plate.
Preferably, be connected by bolt between described sieve nest and the described power transmission shaft.
Preferably, comprise that also the sieve nest that is arranged on described sieve nest bottom supports.
Preferably, described sieve nest is supported for the caoutchouc elasticity universal joint.
Preferably, also comprise the adjusting device that is arranged on the described eccentric shaft.
Preferably, also comprise the balancing weight that is configured on the described eccentric shaft, the centrifugal force that is produced when being used for the operation of the described sieve nest of balance.
Preferably, the angle between described sieve nest and the horizontal line is 10 degree.
Wood chip reciprocating gird provided by the utility model has realized the wood chip in the production process is carried out the purpose of Screening Treatment by the off-centre setting of power transmission shaft and the sieve nest of inclination.In addition, wood chip reciprocating gird provided by the utility model is by being provided with the screening that two-layer sieve plate can carry out refinement to the wood chip of needs screening, and the chip quality of sieving out is better, thereby has improved the screening effect of wood chip sieve shaker.
Description of drawings
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, to do simple the introduction to the accompanying drawing of required use in embodiment or the description of the Prior Art below, apparently, accompanying drawing in describing below only is embodiment more of the present utility model, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
The wood chip reciprocating gird structural representation that Fig. 1 is provided for the utility model embodiment 1;
Fig. 2 is the cutaway view of Fig. 1 along the A-A line;
Fig. 3 is the side view of Fig. 1;
The structural representation of the wood chip reciprocating gird that Fig. 4 is provided for the utility model embodiment 2.
The specific embodiment
Below in conjunction with the accompanying drawing among the utility model embodiment, the technical scheme among the utility model embodiment is clearly and completely described, obviously, described embodiment only is the utility model part embodiment, rather than whole embodiment.Based on the embodiment in the utility model, those of ordinary skills are not making the every other embodiment that is obtained under the creative work prerequisite, all belong to the scope of the utility model protection.
See also Fig. 1, Fig. 2 and Fig. 3, the wood chip reciprocating gird structural representation that Fig. 1 is provided for the utility model embodiment 1, shown in Figure 2 is the cutaway view of Fig. 1 along the A-A line, shown in Figure 3 is the side view of Fig. 1.
The utility model provides a kind of wood chip reciprocating gird, mainly comprises sieve nest 1, power transmission shaft 3, driving 4 and transmission device 5.
One end of power transmission shaft 3 links to each other with sieve nest 1, the other end with drive 4 between be connected by transmission device 5;
Sieve nest 1 tilts with horizontal line;
Power transmission shaft 3 is set for the eccentric.
Wood chip reciprocating gird provided by the utility model has realized the wood chip in the production process is carried out the purpose of Screening Treatment by the off-centre setting of power transmission shaft and the sieve nest of inclination.In addition, wood chip reciprocating gird provided by the utility model is by being provided with the screening that two-layer sieve plate can carry out refinement to the wood chip of needs screening, and the chip quality of sieving out is better, thereby has improved the screening effect of wood chip sieve shaker.
More than be core concept of the present utility model, understand the utility model scheme better in order to make those skilled in the art person, the utility model is described in further detail below in conjunction with specific embodiment.
The utility model provides a kind of embodiment 1 of wood chip reciprocating gird, mainly comprises sieve nest 1, power transmission shaft 3, driving 4 and transmission device 5.
Wherein, power transmission shaft 3 specifically comprises main shaft 6 and eccentric shaft 7, and an end of eccentric shaft 7 is movably connected by bolt and sieve nest 1, and the other end of eccentric shaft 7 links to each other with an end of main shaft 6 by shaft coupling.The other end of main shaft 6 with drive 4 between be connected by transmission device 5, the axis of main shaft 6 and eccentric shaft 7 is not point-blank.
Sieve nest 1 tilts with horizontal line;
Sieve nest 1 specifically comprises cell body 8, sieve plate 9, chip feed 10, over-sized chips discharging opening 11, accepted chips discharging opening 12 and wood chip discharging opening 13, chip feed 10 is arranged on the upper end that sieve nest tilts, over-sized chips discharging opening 11, accepted chips discharging opening 12 and wood chip discharging opening 13 are arranged on the bottom that sieve nest tilts, and are to separate from top to bottom storied placement successively with the sieve plate.
The two-layer sieve plate of employing that sieve plate 9 is preferential is so that distinguish chump, accepted chips and wood chip.The ground floor sieve plate is used for sieving out over-sized chips, and second layer sieve plate is used for sieving out accepted chips.Wood chip after chipping is poured cell body 7 into by chip feed 10, and over-sized chips is sieved out by the ground floor sieve plate, and is exported by over-sized chips discharging opening 11 along the angle of inclination between sieve nest and the eccentric shaft; Wood chip after sieving for the first time falls into second layer sieve plate by the ground floor sieve plate and further sieves, and accepted chips can be sieved out by second layer sieve plate, is exported by accepted chips discharging opening 12 along the angle of inclination between sieve nest and the eccentric shaft; Then directly fall into the cell body bottom through the wood chip after twice screening, export by wood chip discharging opening 13 along the angle of inclination between sieve nest and the eccentric shaft.
Sieve plate 9 is preferential selects round-hole punched plate for use, and than the sieve plate of other shapes, round-hole punched plate does not directly have wedge angle because of circular hole, unstressed concentrating around the aperture, and wood chip is little to the aperture impact damage in screening process, thereby makes reciprocating gird have higher screening efficiency.
The certain angle that tilts between sieve nest 1 and the horizontal line, the present technique field personnel be understandable that, what this angle was preferential selects 10 ° for use.
Be provided with four main shaft support 18 on the outer surface of main shaft 6 uniformly, be used for fixing main shaft 6, prevent rocking of in reciprocating gird motion process main shaft, firm whole device guarantees carrying out smoothly of screening.
One side of eccentric shaft 7 is provided with adjusting device 14, and the adjusting device 14 preferential bolts of selecting for use are regulated.There is offset between eccentric shaft 7 and the main shaft 6, by regulating the adjusting bolt on the adjusting device 14, thereby regulate the offset between eccentric shaft 7 and the main shaft 6, the adjusting of offset can make the suffered centrifugal force of wood chip reciprocating gird change, the rotating speed that sieve nest 1 moves along sieve nest angle of inclination planar circumferential that direction is done also can change, and then makes the wood chip reciprocating gird reach different disposal abilities.
Also dispose balancing weight 15 on the opposite side of eccentric shaft 7, the counterweight weight of balancing weight can free adjustment, thereby by regulating the centrifugal force that counterweight weight comes the balance sieve nest to be in operation and to be produced.
Sieve nest 1 bottom also is provided with sieve nest and supports 2, and sieve nest support 2 also is connected on the base 17, is used for supporting whole sieve nest 1, the stability when guaranteeing sieve nest 1 work.
Sieve nest supports the 2 preferential caoutchouc elasticity universal joints of selecting for use, it is connected on the base 17 by bolt, can support whole sieve nest, and can be four free angle direction rotations, and then in running, guarantee the stable of whole sieve nest, and realize the purpose of chip classification at reciprocating gird.
Transmission device 5 is preferential selects the belt pulley transmission for use, adopts the belt pulley transmission can increase speed ratio, thereby increases the rotating speed of power transmission shaft, and the sieve nest of wood chip reciprocating gird is under the drive of power transmission shaft, and movement velocity also can increase, thereby the quantity of screening wood chip also can increase greatly.In addition, the belt pulley transmission also has the function of overload protection, thereby can protect the safe operation of wood chip reciprocating gird.
Also be provided with protective cover 16 on eccentric shaft 7 and the balancing weight 15, prevent that eccentric shaft 7 and balancing weight 15 from exposing outside, and then protection eccentric shaft 7 and balancing weight 15.
Also be provided with lubricating arrangement 19 on the transmission device 5, be used for lubricating the drive disk assembly of reciprocating gird, guarantee the normal operation of reciprocating gird.
In addition, the connector between the wood chip reciprocating gird each several part is all preferential selects bolt for use, adopts bolt to connect and has realized the detachable of each several part, thereby made things convenient for the maintenance of reciprocating gird.
Constituted the off-centre setting of power transmission shaft among the wood chip reciprocating gird embodiment 1 provided by the utility model by main shaft and eccentric shaft, the rotation of main shaft can drive eccentric shaft and rotate, thereby make whole sieve nest along inclined direction do the planar circumferential motion, and then reach the purpose of screening wood chip.In addition, the multilayer sieve plate of wood chip reciprocating gird can carry out the screening of refinement to the wood chip of needs screening, and the chip quality of sieving out is better, thereby has improved the screening effect of wood chip sieve shaker.
Structural representation referring to wood chip reciprocating gird embodiment 2 shown in Figure 4.
The utility model provides a kind of embodiment 2 of wood chip reciprocating gird, mainly comprises sieve nest 1, power transmission shaft 3, driving 4 and transmission device 5,
Wherein, power transmission shaft 3 is for being furnished with the eccentric shaft 20 of eccentric block 21, and an end of power transmission shaft 3 links to each other with sieve nest 1, is connected by transmission device 5 between the other end and the driving 4;
Sieve nest 1 tilts with horizontal line.
Same, sieve nest 1 specifically comprises cell body 8, sieve plate 9, chip feed 10, over-sized chips discharging opening 11, accepted chips discharging opening 12 and wood chip discharging opening 13, its 26S Proteasome Structure and Function is identical with embodiment 1.
The two-layer sieve plate of employing that sieve plate 9 is preferential is so that distinguish chump, accepted chips and wood chip.
Sieve plate 9 is preferential selects round-hole punched plate for use, thereby makes reciprocating gird have higher screening efficiency.
What the angle of inclination between sieve nest 1 and the horizontal line was preferential selects 10 ° for use.
Sieve nest 1 bottom is provided with sieve nest equally and supports 2, and sieve nest support 2 also is connected on the base 17, is used for supporting whole sieve nest 1, the stability when guaranteeing sieve nest 1 work.
Sieve nest supports the 2 preferential caoutchouc elasticity universal joints of selecting for use, it is connected on the base 17 by bolt, can support whole sieve nest, and can be four free angle direction rotations, and then in running, guarantee the stable of whole sieve nest, and realize the purpose of chip classification at reciprocating gird.
Transmission device 5 is preferential selects the belt pulley transmission for use, adopts the belt pulley transmission can increase speed ratio, thereby increases the rotating speed of power transmission shaft, and the sieve nest of wood chip reciprocating gird is under the drive of power transmission shaft, and movement velocity also can increase, thereby the quantity of screening wood chip also can increase greatly.In addition, the belt pulley transmission also has the function of overload protection, thereby can protect the safe operation of wood chip reciprocating gird.
In addition, be provided with four power transmission shafts on the outer surface of power transmission shaft 3 uniformly and support 22, be used for fixing whole power transmission shaft 3, prevent rocking of in reciprocating gird motion process power transmission shaft, firm whole device guarantees carrying out smoothly of screening.
By changing the size of eccentric block 21 weight on the eccentric shaft 20, can regulate the offset of eccentric shaft 20, thereby regulate the motion of reciprocating gird, make the wood chip reciprocating gird reach different disposal abilities.
Also dispose balancing weight 15 on one side of power transmission shaft 3, the counterweight weight of balancing weight can free adjustment, thereby by regulating the centrifugal force that counterweight weight comes the balance sieve nest to be in operation and to be produced.
Also be provided with protective cover 16 on power transmission shaft 3 and the balancing weight 15, prevent that power transmission shaft 3 and balancing weight 15 from exposing outside, and then protection power transmission shaft 3 and balancing weight 15.
In addition, the connector between the wood chip reciprocating gird each several part is all preferential selects bolt for use, adopts bolt to connect and has realized the detachable of each several part, thereby made things convenient for the maintenance of reciprocating gird.
The off-centre setting of power transmission shaft is to be realized by the eccentric shaft that disposes eccentric block among the wood chip reciprocating gird embodiment 2 provided by the utility model, the rotation of eccentric shaft can drive whole sieve nest motion, make whole sieve nest along inclined direction do the planar circumferential motion, thereby reach the purpose of screening wood chip.In addition, the multilayer sieve plate of wood chip reciprocating gird can carry out the screening of refinement to the wood chip of needs screening, and the chip quality of sieving out is better, thereby has improved the screening effect of wood chip sieve shaker.
Screening process to the wood chip reciprocating gird is described in detail below.
Wood chip is poured into the cell body of wood chip reciprocating gird by chip feed, during the operation of wood chip reciprocating gird, driving drives power transmission shaft by transmission device and rotates, the athletic meeting of power transmission shaft drives the sieve nest that is installed on the power transmission shaft and along inclined direction does the planar circumferential motion, wood chip in the sieve nest moves under action of centrifugal force, over-sized chips can be stayed on the ground floor sieve plate, because the angle of inclination between sieve nest and the horizontal line, over-sized chips can be exported from the chump discharging opening along sieve nest and horizontal angle of inclination under centrifugal action.Wood chip after the process screening for the first time can be fallen on the second layer sieve plate and further sieve, can stay on the second layer sieve plate sieve through the screening accepted chips, under the effect of centrifugal force motion, accepted chips can be exported from the accepted chips discharging opening along sieve nest and horizontal angle of inclination.then directly fall into the cell body bottom through the wood chip after twice screening, same, under the effect of centrifugal force motion, accepted chips can be exported by the wood chip discharging opening along sieve nest and horizontal angle of inclination.
Wood chip reciprocating gird provided by the utility model only need be poured the wood chip of needs screening the cell body of wood chip reciprocating gird into and start the drive unit of wood chip reciprocating gird, reciprocating gird is work automatically, wood chip is sieved and exports, work and need not too much manpower, whole process operation is simple, the automaticity height, the screening amount is also bigger.And the multilayer sieve plate of wood chip reciprocating gird can carry out the screening of refinement to the wood chip of needs screening, and the chip quality of sieving out is better, thereby has improved the screening effect of wood chip sieve shaker.In addition, the reciprocating gird each several part adopts bolt to connect and has realized the detachable of each several part, thereby has made things convenient for the maintenance of reciprocating gird.
Need to prove that each embodiment in this specification all adopts the mode of going forward one by one to describe, what each embodiment stressed all is and the difference of other embodiment that identical similar part is mutually referring to getting final product between each embodiment.
To the above-mentioned explanation of the disclosed embodiments, make this area professional and technical personnel can realize or use the utility model.Multiple modification to embodiment will be conspicuous concerning those skilled in the art, and defined herein General Principle can realize under the situation that does not break away from spirit or scope of the present utility model in other embodiments.Therefore, the utility model will can not be restricted to these embodiment shown in this article, but will meet and principle disclosed herein and features of novelty the wideest corresponding to scope.
The above only is the specific embodiment of the present utility model; should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the utility model principle; can also make some improvements and modifications, these improvements and modifications also should be considered as protection domain of the present utility model.

Claims (10)

1. a wood chip reciprocating gird is characterized in that, comprising: sieve nest, power transmission shaft, driving and transmission device, wherein:
One end of described power transmission shaft links to each other with described sieve nest, is connected by described transmission device between the other end and the described driving;
Described sieve nest and horizontal line tilt;
Described power transmission shaft is set for the eccentric.
2. wood chip reciprocating gird according to claim 1 is characterized in that, described power transmission shaft specifically comprises, eccentric shaft, main shaft and connector;
Described eccentric shaft and described main shaft link together by described connector;
The axis of described main shaft and described eccentric shaft is not point-blank.
3. wood chip reciprocating gird according to claim 1 is characterized in that described sieve nest is provided with two-layer sieve plate, and the ground floor sieve plate is provided with the over-sized chips discharging opening, and second layer sieve plate is provided with the accepted chips discharging opening and is provided with the wood chip discharging opening in its bottom.
4. wood chip reciprocating gird according to claim 3 is characterized in that, described sieve plate is a round-hole punched plate.
5. wood chip reciprocating gird according to claim 1 is characterized in that, is connected by bolt between described sieve nest and the described power transmission shaft.
6. wood chip reciprocating gird according to claim 1 is characterized in that, comprises that also the sieve nest that is arranged on described sieve nest bottom supports.
7. wood chip reciprocating gird according to claim 6 is characterized in that described sieve nest is supported for the caoutchouc elasticity universal joint.
8. wood chip reciprocating gird according to claim 2 is characterized in that, also comprises the adjusting device that is arranged on the described eccentric shaft.
9. wood chip reciprocating gird according to claim 2 is characterized in that, also comprises the balancing weight that is configured on the described eccentric shaft.
10. wood chip reciprocating gird according to claim 1 is characterized in that, the angle between described sieve nest and the horizontal line is 10 degree.
CN2009203513808U 2009-12-30 2009-12-30 Wood chip screen Expired - Fee Related CN201676816U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2009203513808U CN201676816U (en) 2009-12-30 2009-12-30 Wood chip screen

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2009203513808U CN201676816U (en) 2009-12-30 2009-12-30 Wood chip screen

Publications (1)

Publication Number Publication Date
CN201676816U true CN201676816U (en) 2010-12-22

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN2009203513808U Expired - Fee Related CN201676816U (en) 2009-12-30 2009-12-30 Wood chip screen

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104307740A (en) * 2014-10-29 2015-01-28 江苏大唐机械有限公司 Wood chip screen device
CN104646287A (en) * 2014-12-26 2015-05-27 浙江上洋机械有限公司 Transmission mechanism for plane circle-sifter
CN105327851A (en) * 2015-12-07 2016-02-17 镇江市润州兴润钢结构厂 Wood chip sieving device
CN109260808A (en) * 2018-11-27 2019-01-25 大亚木业(江西)有限公司 A kind of hexagonal reciprocating gird filter structure and filter method

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104307740A (en) * 2014-10-29 2015-01-28 江苏大唐机械有限公司 Wood chip screen device
CN104646287A (en) * 2014-12-26 2015-05-27 浙江上洋机械有限公司 Transmission mechanism for plane circle-sifter
CN105327851A (en) * 2015-12-07 2016-02-17 镇江市润州兴润钢结构厂 Wood chip sieving device
CN109260808A (en) * 2018-11-27 2019-01-25 大亚木业(江西)有限公司 A kind of hexagonal reciprocating gird filter structure and filter method

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C14 Grant of patent or utility model
GR01 Patent grant
C17 Cessation of patent right
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20101222

Termination date: 20111230