CN111644366B

CN111644366B - Automatic discharge type wood chip screening machine for papermaking

Info

Publication number: CN111644366B
Application number: CN202010402871.1A
Authority: CN
Inventors: 连福娣
Original assignee: Jiangxi Chenming Paper Industry Co ltd
Current assignee: JIANGXI CHENMING PAPER INDUSTRY Co.,Ltd.
Priority date: 2020-05-13
Filing date: 2020-05-13
Publication date: 2021-09-17
Anticipated expiration: 2040-05-13
Also published as: CN111644366A

Abstract

The invention relates to a screening machine, in particular to an automatic discharge type wood chip screening machine for papermaking. The technical problem is how to design an automatic discharge type wood chip sieving machine for papermaking, which can pour out large wood chips and small wood chips which are sieved out, does not influence the sieving of next batch of wood chips, and can scrape off residual wood chips. An automatic discharge type wood chip screening machine for papermaking comprises: the base, base one side edge position rigid coupling has the riser, and it keeps away from one interval rigid coupling of base has three connecting rod. According to the screening machine, the wood chips are poured into the frame body on the upper left side, the speed reduction motor is started to rotate reversely, the frame body can drive the wood chips and the screening mechanism to rotate reversely, the screening mechanism rotates reversely to screen the wood chips, the small wood chips are screened into the collecting frame on the left side, the large wood chips are screened into the collecting frame on the right side, and the influence of the stacking of the wood chips on the screening of the next batch is avoided.

Description

Automatic discharge type wood chip screening machine for papermaking

Technical Field

The invention relates to a screening machine, in particular to an automatic discharge type wood chip screening machine for papermaking.

Background

Paper making is an important invention for ancient Chinese workers. The method is divided into a mechanism mode and a manual mode. The mechanism is continuously carried out on a paper machine, paper pulp suitable for paper quality is diluted to a certain concentration by water, preliminary dehydration is carried out on a net part of the paper machine to form wet paper sheets, the wet paper sheets are pressed and dehydrated, and then the paper sheets are dried to form paper, wood chips are required to be used in the paper making process, but when the wood chips are manufactured, large wood chips and small wood chips can be generated, the wood chips are required to be screened, and subsequent use is facilitated.

At present, most screening machines screen wood chips, when the existing screening machines screen the wood chips, large wood chips are stacked on the screening machines, small wood chips are screened out, the screening of next batch of wood chips is easily influenced due to the fact that the large wood chips are stacked in large quantity, people are required to take the large wood chips off the screening machines, and the remaining wood chips influence the next use of the screening machines.

Disclosure of Invention

In order to overcome the defects that the screening of the next batch of wood chips is easily influenced due to the large quantity of piled large wood chips, and the large wood chips are required to be taken down from a screening machine by people, the remaining wood chips influence the next screening, the invention has the technical problems that: the automatic discharge type wood chip screening machine for the paper making is capable of pouring out large wood chips and small wood chips which are screened out, not influencing screening of next wood chips and also scraping residual wood chips.

The technical implementation scheme of the invention is as follows: an automatic discharge type wood chip screening machine for papermaking comprises: the device comprises a base, wherein a vertical plate is fixedly connected to the edge of one side of the base, and three connecting rods are fixedly connected to one part of the base away from the base at intervals; the circular block is fixedly connected among the end parts of the three connecting rods far away from the vertical plate; the rotating shaft is rotatably connected to the circle center of the circular block in a penetrating manner; the frame body is fixedly connected to one part of the circumference of the rotating shaft far away from the vertical plate at intervals; the collecting frame is symmetrically and fixedly connected to one side of the base; the driving mechanism is arranged between one side of the base and the end part of the rotating shaft facing the vertical plate and used for providing power; and the screening mechanism is arranged between the frame body and one side of the circular block facing the vertical plate, is matched with the circular block and is used for screening the wood chips.

Further, the driving mechanism includes: the speed reducing motor is arranged at the edge of one side of the base far away from the vertical plate; and the transmission assembly is connected to the output shaft of the speed reducing motor and faces to the position between the end parts of the rotating shaft of the vertical plate.

Further, the screening mechanism includes: the screening plate is slidably connected to the edge position between the two parts of the frame body in a penetrating manner, and a fixing plate is fixedly connected to one side of the screening plate facing the vertical plate; the first springs are connected between one side of the fixing plate far away from the vertical plate and one side of the frame body facing the vertical plate at intervals, and the number of the first springs on each side is at least three; the connecting plate is fixedly connected to one side of the fixing plate close to the round block; the contact rod is fixedly connected to one side of the connecting plate, which faces the round block and is far away from the frame body; the wedge block is fixedly connected to one side, facing the vertical plate, of the circular block at intervals and matched with the contact rod.

Further, still include blocking mechanism, blocking mechanism includes: the grating plate is hinged to one side, far away from the screening plate and the outer side of the frame body of the circular block, of the frame body; the torsion spring is connected to the hinged position of the grating plate and the frame body; the number of the first wire wheels is at least six, every two first wire wheels form a group, and each group of the first wire wheels is fixedly connected to one side, close to the grid plate, outside the frame body; the second wire guide wheels are rotatably arranged on two sides of the outer side of the frame body close to the first wire guide wheels; the guide sleeve is fixedly connected to the two sides of the outer side of the frame body, which are close to the round block and are on the same side with the second wire guide wheel; the n-type rod is slidably connected between the two guide sleeves on the frame body in a penetrating manner, one part of the n-type rod, which is close to the circular block, is fixedly connected with a contact wheel, and the contact wheel is in contact fit with the circular block; the second springs are sleeved on the two parts of the n-shaped rod, one end of each second spring is fixedly connected with one part close to the second wire guide wheel, and the other end of each second spring is fixedly connected with one side of the guide sleeve facing the second wire guide wheel; the pull wire is connected to the end part far away from the circular block, and fixedly connected with the end part far away from the frame body by bypassing the second wire guide wheel and the first wire guide wheel; the groove is formed in one side, facing the circular block of the base, of the base and matched with the contact wheel.

Further, the method also comprises the following steps: the baffle, the baffle rigid coupling in keep away from the base just is close to gear motor collect the frame both sides.

Further, the method also comprises the following steps: and the metal sliding plates are sleeved on the grid plate in a sliding manner.

The invention has the following advantages:

1. through pouring the wood chip into the frame of upper left side, start gear motor reversal, the frame that can make drives wood chip and screening mechanism reversal, and screening mechanism reversal then sieves the wood chip, and little wood chip is sieved to the left side in collecting the frame, and big wood chip is then sieved to the right side in collecting the frame, has avoided the wood chip to pile up the screening that influences next batch.

2. Through the effect of the blocking mechanism, the large wood pieces can be blocked when the frame body rotates to the lower part, and the large wood pieces are prevented from falling into the left collecting frame and being mixed with the small wood pieces.

3. Through the effect of metal sliding plate, can will remain the wood chip on the grid board and strike off, avoid the wood chip to remain and lead to the waste.

Drawings

Fig. 1 is a schematic perspective view of a first embodiment of the present invention.

FIG. 2 is a schematic view of a first partial body structure according to the present invention.

Fig. 3 is a schematic perspective view of a second embodiment of the present invention.

FIG. 4 is a schematic view of a second partial body structure according to the present invention.

Fig. 5 is an enlarged schematic view of part a of the present invention.

Fig. 6 is an enlarged view of part B of the present invention.

In the above drawings: 1: base, 2: collection frame, 3: a vertical plate, 4: connecting rod, 5: circular block, 6: rotating shaft, 7: frame, 8: drive mechanism, 81: gear motor, 82: transmission assembly, 9: screening mechanism, 91: screening plate, 92: fixed plate, 93: connection plate, 94: contact stem, 95: wedge block, 96: first spring, 10: blocking mechanism, 101: first wire guide wheel, 102: second wire guide wheel, 103: stay wire, 104: grid plate, 105: guide sleeve, 106: second spring, 107: n-type rod, 108: torsion spring, 109: contact wheel, 1010: groove, 11: baffle, 12: a metal sliding plate.

Detailed Description

Reference herein to an embodiment means that a particular feature, structure, or characteristic described in connection with the embodiment can be included in at least one embodiment of the invention. The appearances of the phrase in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. It is explicitly and implicitly understood by one skilled in the art that the embodiments described herein can be combined with other embodiments.

Example 1

Referring to fig. 1-5, an automatic discharging type wood chip screening machine for papermaking comprises a base 1, a collecting frame 2, a vertical plate 3, connecting rods 4, a round block 5, a rotating shaft 6, a frame 7, a driving mechanism 8 and a screening mechanism 9, wherein the vertical plate 3 is fixedly connected to the right part of the top rear side of the base 1, the three connecting rods 4 are fixedly connected to the upper part of the front side of the vertical plate 3 at intervals, the round block 5 is fixedly connected between the front ends of the three connecting rods 4, the rotating shaft 6 is rotatably connected to the middle part of the round block 5, the driving mechanism 8 is arranged between the rear end of the rotating shaft 6 and the rear part of the left side of the top of the base 1, the three frame bodies 7 are fixedly connected to the front part of the rotating shaft 6 at uniform intervals in the circumferential direction, one side of each frame body 7 is open, the screening mechanism 9 is arranged between the rear side of each frame body 7 and the round block 5, and the collecting frame 2 is fixedly connected to the left and right parts of the front side of the top of the base 1.

The driving mechanism 8 comprises a speed reducing motor 81 and a transmission assembly 82, the speed reducing motor 81 is installed at the rear part of the left side of the top of the base 1 in a bolt connection mode, the transmission assembly 82 is connected between the output shaft of the speed reducing motor 81 and the rear end of the rotating shaft 6, and the transmission assembly 82 is in belt transmission.

Screening mechanism 9 is including screening board 91, fixed plate 92, connecting plate 93, contact lever 94, wedge 95 and first spring 96, frame 7 front and back both sides are close to slidingtype screening board 91 that is equipped with between one of them portion at edge, screening board 91 trailing flank rigid coupling has fixed plate 92, evenly spaced is connected with three first springs 96 between fixed plate 92 leading flank and the frame 7 outer trailing flank, the rigid coupling has connecting plate 93 on the fixed plate 92, the inboard rigid coupling of connecting plate 93 leading flank has contact lever 94, the even spaced rigid coupling in circular block 5 trailing flank left side circumference has wedge 95, wedge 95 and the cooperation of contact lever 94.

Firstly, an operator pours a proper amount of wood chips into a frame body 7 on the upper left, the wood chips are contacted with a screening mechanism 9, the driving mechanism 8 is started, the driving mechanism 8 operates to drive a rotating shaft 6 to rotate reversely, the rotating shaft 6 rotates reversely to drive the frame body 7 to rotate reversely, the frame body 7 rotates reversely to drive the wood chips to rotate reversely with the screening mechanism 9, the screening mechanism 9 rotates reversely to start operating to screen the wood chips, small wood chips are screened into a left collecting frame 2, large wood chips are left in the frame body 7, the frame body 7 rotates continuously to the lower side, the operator can place the wood chips into the frame body 7 which rotates reversely to the upper left again, when the frame body 7 which is filled with the large wood chips continues to rotate to the lower right side, the large wood chips in the frame body 7 fall into a right collecting frame 2, the operation is repeated, and when the frame body 7 rotates to the upper left, the wood chips can be poured into the frame body 7 to be screened through the screening mechanism 9. After all the wood chips are screened, the driving mechanism 8 is closed, the rotating shaft 6 stops rotating reversely, the frame body 7 also stops driving the screening mechanism 9 to rotate reversely, an operator can take out the small wood chips in the left collecting frame 2 for treatment, and then take out the large wood chips from the right collecting frame 2.

When an operator pours a proper amount of wood chips into the frame body 7 on the upper left side, the speed reducing motor 81 is started to rotate reversely, the speed reducing motor 81 rotates reversely to drive the transmission assembly 82 to rotate reversely, the transmission assembly 82 rotates reversely to drive the rotating shaft 6 to rotate reversely, the rotating shaft 6 rotates reversely to drive the frame body 7 to rotate reversely, and the screening mechanism 9 is enabled to rotate reversely to screen the wood chips. When all the wood chips are screened, the speed reducing motor 81 is turned off, the transmission assembly 82 stops driving the rotating shaft 6 to rotate reversely, and the frame body 7 also stops rotating reversely.

When the wood chips are poured into the frame body 7, the wood chips are contacted with the screening plate 91, when the speed reducing motor 81 is started, the rotating shaft 6 rotates reversely to drive the frame body 7 to rotate reversely, the frame body 7 rotates reversely to drive the screening plate 91 to rotate reversely, the screening plate 91 rotates reversely to drive the fixing plate 92 to rotate reversely, the fixing plate 92 rotates reversely to drive the contact rod 94 to rotate reversely through the connecting plate 93, the contact rod 94 rotates reversely to be contacted with the inclined surface of the wedge-shaped block 95, the contact rod 94 is driven by the wedge-shaped block 95 to move backwards, the contact rod 94 moves backwards to drive the fixing plate 92 to move backwards through the connecting plate 93, the first spring 96 stretches, the fixing plate 92 moves backwards to drive the screening plate 91 to move backwards, when the contact rod 94 continues to rotate reversely and is separated from the wedge-shaped block 95, the fixing plate 92 moves forward to drive the sieving plate 91 to move forward due to the action of the first spring 96, meanwhile, the contact rod 94 is moved forwards and reset, and the screening plate 91 moves forwards and backwards to screen the wood chips repeatedly. When the contact reversal is completely out of contact with the wedge 95, the sifting plate 91 stops moving back and forth, indicating that the sifting of the chips is complete. When the speed reducing motor 81 is turned off, the frame 7 stops driving the sieving plate 91 to rotate reversely.

Example 2

Referring to fig. 4-6, the present embodiment is different from embodiment 1 mainly in that the present embodiment further includes a blocking mechanism 10, the blocking mechanism 10 includes a first wire guiding wheel 101, a second wire guiding wheel 102, a pulling wire 103, a grid plate 104, a guiding sleeve 105, a second spring 106, an n-shaped rod 107, a torsion spring 108 and a contact wheel 109, the second wire guiding wheel 102 is rotatably connected to the outer sides of the front and rear sides of the frame 7, the first wire guiding wheel 101 is fixedly connected to the outer sides of the front and rear sides of the frame 7, the guiding sleeve 105 is fixedly connected to the middle portions of the inner sides of the front and rear sides of the frame 7, the n-shaped rod 107 is slidably disposed between the guiding sleeves 105 of the front and rear sides, the pulling wire 103 is connected to the outer ends of the n-shaped rod 107, the grid plate 104 is hinged to the outer side edge of the frame 7, the torsion spring 108 is connected to the hinged portion of the grid plate 104 and the frame 7, the tail end of the pulling wire 103 is fixedly connected to the grid plate 104 around the second wire guiding wheel 102 and the outer ends of the first wire guiding wheel 101, a second spring 106 is wound between the outer end of the n-shaped rod 107 and the outer side surface of the guide sleeve 105, a contact wheel 109 is fixedly connected in the middle of the inside of the n-shaped rod 107, the contact wheel 109 is in contact fit with the circular block 5, a groove 1010 is formed in the middle of the bottom of the circular block 5, and the groove 1010 is matched with the contact wheel 109.

Initially, the second spring 106 is in a stretched state, when the frame 7 rotates reversely, the frame 7 further drives the n-type rod 107 to rotate reversely through the guide sleeve 105, the n-type rod 107 rotates reversely to drive the contact wheel 109 to rotate reversely, the contact wheel 109 rotates reversely on the circular block 5, when the contact wheel 109 rotates reversely to the groove 1010, the screening of the wood chips is completed, due to the action of the second spring 106, the n-type rod 107 moves inwards to drive the contact wheel 109 to move inwards, the n-type rod 107 further drives the grating plate 104 to swing inwards through the pull wire 103, the torsion spring 108 compresses, when the grating plate 104 swings inwards to the maximum stroke, the grating plate 104 stops swinging, the grating plate 104 blocks the large wood chips in the frame 7, similarly, when the frame 7 rotates reversely continuously, the contact wheel 109 also rotates reversely to separate from the groove 1010, the contact wheel 109 also continues to contact with the circular block 5, and the circular block 5 makes the contact wheel 109 move outwards, the n-shaped rod 107 moves outwards to loosen the pulling wire 103, the second spring 106 is stretched, the grid plate 104 swings outwards to reset due to the torsion spring 108, large wood chips are not blocked, the large wood chips fall into the right collecting frame 2, and when the frame body 7 stops reversing, the contact wheel 109 stops reversing. Therefore, the phenomenon that the large wood chips fall into the left collecting frame 2 from the frame body 7 to affect the collecting and processing of the small wood chips can be avoided.

Example 3

Referring to fig. 1 and 4, the present embodiment is different from embodiments 1 and 2 mainly in that the present embodiment further includes a baffle 11, and the front and rear sides of the top of the left collecting frame 2 are fixedly connected with the baffle 11 capable of blocking the pair of the erupting wood chips.

The wood-plastic composite grating also comprises metal sliding plates 12, and the metal sliding plates 12 capable of removing residual wood chips are sleeved on the grating plates 104 in a sliding manner.

When the screening plate 91 screens the wood chips, the baffle plate 11 stops the sprayed wood chips, so that the wood chips can be prevented from spraying to the surrounding to influence the surrounding environment.

When the frame 7 is reversed to the upper right and the grid plate 104 is swung outward and restored, the metal sliding plate 12 moves downward due to gravity to scrape off the wood chips remaining on the grid plate 104. When the frame 7 drives the grid plate 104 to rotate reversely to the upper left, the metal sliding plate 12 moves downward to be reset. In this manner, waste caused by wood chips remaining on the grid plate 104 can be avoided.

It should be understood that this example is only for illustrating the present invention and is not intended to limit the scope of the present invention. Further, it should be understood that various changes or modifications of the present invention may be made by those skilled in the art after reading the teaching of the present invention, and such equivalents may fall within the scope of the present invention as defined in the appended claims.

Claims

1. An automatic discharge formula wood chip screening machine for papermaking, characterized by including:

the device comprises a base (1), wherein a vertical plate (3) is fixedly connected to the edge of one side of the base (1), and three connecting rods (4) are fixedly connected to one part of the base (1) at intervals;

the round block (5) is fixedly connected among the end parts of the three connecting rods (4) far away from the vertical plate (3);

the rotating shaft (6) is rotatably connected to the circle center of the circular block (5) in a penetrating manner;

the frame body (7) is fixedly connected to one part of the circumferential direction of the rotating shaft (6) far away from the vertical plate (3) at intervals;

the collecting frame (2) is symmetrically and fixedly connected to one side of the base (1);

the driving mechanism (8) is arranged between one side of the base (1) and the end part of the rotating shaft (6) facing the vertical plate (3) and is used for providing power;

the screening mechanism (9) is arranged between the frame body (7) and one side of the circular block (5) facing the vertical plate (3), is matched with the circular block (5) and is used for screening the wood chips;

the drive mechanism (8) comprises:

the speed reducing motor (81), the speed reducing motor (81) is installed at the edge position of one side of the base (1) far away from the vertical plate (3);

the transmission assembly (82) is connected between the output shaft of the speed reducing motor (81) and the end part of the rotating shaft (6) facing the vertical plate (3);

the screening mechanism (9) comprises:

the screening plate (91) is slidably connected to the edge position between the two parts of the frame body (7) in a penetrating manner, and a fixing plate (92) is fixedly connected to one side, facing the vertical plate (3), of the screening plate (91);

the first springs (96) are connected between the side, away from the vertical plate (3), of the fixing plate (92) and the side, facing the vertical plate (3), of the outer side of the frame body (7) at intervals, and the number of the first springs (96) on each side is at least three;

the connecting plate (93), the said connecting plate (93) is affixed to one side of the said fixed plate (92) close to the said round block (5);

a contact rod (94), wherein the contact rod (94) is fixedly connected to the side of the connecting plate (93) facing the round block (5) and far away from the frame body (7);

the wedge block (95), wedge block (95) interval rigid coupling in towards the riser (3) circular block (5) one side, it with contact lever (94) cooperation.

2. The automatic discharging type wood chip sieving machine for papermaking according to claim 1, characterized by further comprising a blocking mechanism (10), wherein the blocking mechanism (10) comprises:

the grid plate (104) is hinged to the outer side of the frame body (7) far away from the screening plate (91) and the circular block (5);

a torsion spring (108), wherein the torsion spring (108) is connected to the hinge joint of the grid plate (104) and the frame body (7);

the number of the first wire guide wheels (101) is at least six, every two first wire guide wheels are in one group, and each group of the first wire guide wheels (101) is fixedly connected to one side, close to the grid plate (104), of the outer side of the frame body (7);

the second wire guide wheel (102) is rotatably arranged on two sides of the outer side of the frame body (7) close to the first wire guide wheel (101);

the guide sleeve (105), the said guide sleeve (105) is affixed to the said round block (5) and outside both sides of the said frame (7) with the same side of said second wire wheel (102);

the n-type rod (107), the n-type rod (107) is slidably inserted between the two guide sleeves (105) on the frame body (7), a contact wheel (109) is fixedly connected to one part of the n-type rod close to the circular block (5), and the contact wheel (109) is in contact fit with the circular block (5);

the second spring (106) is sleeved on two parts of the n-shaped rod (107), one end of the second spring (106) is fixedly connected with one part close to the second wire guide wheel (102), and the other end of the second spring (106) is fixedly connected with one side of the guide sleeve (105) facing the second wire guide wheel (102);

the pull wire (103) is connected to the end part far away from the circular block (5), and the pull wire (103) is fixedly connected with the end part far away from the frame body (7) by bypassing the second wire guide wheel (102) and the first wire guide wheel (101);

a groove (1010), said groove (1010) opening on the side of said circular block (5) facing said base (1), which cooperates with said contact wheel (109).

3. The automatic discharging type wood chip screening machine for papermaking according to claim 2, further comprising:

baffle (11), baffle (11) rigid coupling in keep away from base (1) and be close to gear motor (81) collect frame (2) both sides.

4. The automatic discharging type wood chip screening machine for papermaking according to claim 3, further comprising:

the metal sliding plates (12), the metal sliding plates (12) are slidably sleeved on the grid plates (104).