CN209973792U

CN209973792U - Paper conveying device of folding machine

Info

Publication number: CN209973792U
Application number: CN201920522622.9U
Authority: CN
Inventors: 闫朋峰; 葛琳; 杨浩锋; 杨国伟; 葛校星
Original assignee: Luohe Huiguang Printing Technology Co Ltd
Current assignee: Luohe Huiguang Printing Technology Co Ltd
Priority date: 2019-04-17
Filing date: 2019-04-17
Publication date: 2020-01-21
Anticipated expiration: 2029-04-17

Abstract

The utility model relates to a paper conveying device of a folding machine, which effectively solves the problem that the service life of a standby conveyer belt is reduced because the standby conveyer belt is always in a tensioning state during standby; the technical scheme of its solution includes that an inner chamber is square sleeve, sleeve inner chamber has one by four mobilizable dull and stereotyped parallel with sleeve inner chamber and changeable square frame of area, reserve conveyer belt cover is in the outside of square frame, the area of adjustment rectangle frame makes reserve conveyer belt be in the lax state when reserve conveyer belt is in the reserve period, when the conveyer belt needs to be changed, the area of adjustment square frame, then transport the position that needs the installation with reserve conveyer belt through removing the sleeve, make reserve conveyer belt only be in the state of tensioning in the short time of changing, the life that has avoided reducing reserve conveyer belt or produce irreversible deformation.

Description

Paper conveying device of folding machine

Technical Field

The utility model relates to a lithography apparatus field, especially a paper conveyor of folding machine.

Background

The folding machine is modern printing equipment produced along with the modern printing industry, is mainly used for folding paper with different sizes and thicknesses in a design range, is suitable for large-batch folding of rapid printing centers, production enterprises, official documents and business letters, has the same and different composition, and mainly comprises three parts of paper feeding, folding and paper receiving; the paper feeding is through the conveyer belt with the paper transport to folding mechanism, and the conveyer belt live time has been of a specified duration and will appear skidding or cracked phenomenon, needs to change new conveyer belt, need pull down the conveying roller from the fixed plate earlier when changing the conveyer belt, then adorns new conveyer belt on the conveying roller, installs the conveying roller on the fixed plate again, and it is very troublesome to operate.

The utility model discloses a paper conveyor of paper folding machine is disclosed in utility model patent of grant publication number CN206476565U, including frame and the conveying roller of setting in the frame, the conveying roller comprises a pair of conveying roller and a pair of conveying roller down, sets up the several belt between same pair of conveying roller to the setting is used for driving conveying roller pivoted motor, be provided with waist shape holding tank in the frame, waist shape holding tank sets up outside certain pair of conveying roller, and set up in waist shape holding tank with waist shape holding tank complex collar, cup joint reserve belt on the collar, be provided with in the frame simultaneously and be used for changing the installation and follow the derivation device that the waist shape holding tank was released. The wear of the belt is a relatively lengthy process, and the standby belt is stretched around the mounting ring and is under tension, which may reduce the life of the standby belt or cause irreversible deformation of the standby belt.

Disclosure of Invention

To the above situation, for overcoming the defect of prior art, the utility model provides a paper conveyor of folding machine, thereby the effectual reserve conveyer belt of having solved is in the problem that tensioning state reduces reserve conveyer belt life always during reserve.

The technical scheme for solving the problems is that the device comprises two fixed plates which are arranged in parallel at a left side and a right side and are vertically arranged at intervals, a groove is formed in the right end face of the fixed plate at the left side, a sleeve which can move left and right and has a square inner cavity is arranged in the groove, four flat plates which are respectively parallel to the upper, lower, front and rear cylinder walls of the sleeve are arranged in the inner cavity of the sleeve, the two flat plates are first flat plates which can move up and down in the inner cavity of the square sleeve, the other two flat plates are second flat plates which can move back and forth in the inner cavity of the sleeve, the four flat plates form a rectangular frame with; the conveying rollers which are arranged at intervals in the front-back direction and can rotate are mounted on the two fixing plates, the conveying belts are sleeved on the two conveying rollers, the left ends of the two conveying rollers penetrate through the inner cavity of the rectangular frame, and the diameters of the parts, arranged in the inner cavity of the rectangular frame, of the two conveying rollers are smaller than the diameters of the parts, sleeved with the conveying belts.

The utility model discloses a set up a reserve conveyer belt on the riser, make the change operation of conveyer belt more convenient, simple, reserve conveyer belt is in lax state at the reserve phase, avoids influencing the life of reserve conveyer belt.

Drawings

Fig. 1 is a front view of the present invention.

Fig. 2 is an enlarged view of a region a in fig. 1 according to the present invention.

Fig. 3 is a top view of the present invention.

Fig. 4 is a sectional view taken along the direction B-B in fig. 3 according to the present invention.

Fig. 5 shows the position of the four plates in fig. 4 of the present invention, which can smoothly pass through the position with the largest diameter of the two conveying rollers.

Fig. 6 is a cross-sectional view taken along the direction C-C in fig. 3 according to the present invention.

Detailed Description

The following describes the embodiments of the present invention in further detail with reference to the accompanying drawings.

As can be seen from fig. 1 to 6, the utility model comprises two fixed plates 1 which are arranged in parallel at a vertical interval, and is characterized in that the right end face of the fixed plate 1 at the left side is provided with a groove, a sleeve 2 which can move left and right and has a square inner cavity is arranged in the groove, four flat plates which are parallel to the upper, lower, front and rear cylinder walls of the sleeve 2 are arranged in the inner cavity of the sleeve 2 respectively, wherein the two flat plates are a first flat plate 3 which can move up and down in the inner cavity of the square sleeve 2, the other two flat plates are a second flat plate 4 which can move back and forth in the inner cavity of the sleeve 2, the four flat plates form a rectangular frame with variable area, and a spare conveyer belt 5 is; two conveying rollers 6 which are arranged at intervals in the front-back direction and can rotate are arranged on the two fixing plates 1, a plurality of conveying belts 7 are sleeved on the two conveying rollers 6, the left ends of the two conveying rollers 6 penetrate through the inner cavity of the rectangular frame, and the diameters of the parts, arranged in the inner cavity of the rectangular frame, of the two conveying rollers 6 are smaller than the diameters of the parts, sleeved with the conveying belts 7, of the two conveying rollers 6.

In order to realize that four flat plates move in an inner cavity of the sleeve 2, the upper, lower, front and rear walls of the sleeve 2 are respectively provided with a sliding groove, each flat plate is fixed with a vertical plate 8, each vertical plate 8 is inserted in the corresponding sliding groove and can slide in the sliding groove, one end of each vertical plate 8 inserted in the sliding groove is provided with a through groove, one side wall of each through groove is fixed with a rack 9, and each rack 9 is meshed with a gear 10; when gear 10 clockwise turning, gear 10 drives and corresponds rack 9 and removes towards the direction of keeping away from conveying roller 6 with the fixed riser 8 of this rack 9, the flat board removes the area that makes the rectangle frame gradually increasing towards the direction of keeping away from conveying roller 6 under the drive that corresponds riser 8 this moment, when gear 10 anticlockwise turning, gear 10 drives the rack 9 that corresponds and removes towards the direction of being close to conveying roller 6 with the fixed riser 8 of this rack 9, the flat board removes the area that makes the rectangle frame gradually reducing towards the direction of being close to conveying roller 6 under the drive that corresponds riser 8 this moment.

In order to avoid the reverse rotation of the gears 10, each gear 10 is coaxially provided with a ratchet wheel 11 arranged at the right side of the sleeve 2, and each ratchet wheel 11 is provided with a pawl 12 hinged on the right end face of the sleeve 2; when the pawl 12 is caught on the corresponding ratchet wheel 11, the corresponding gear 10 can rotate only clockwise, and when the pawl 12 is disengaged from the corresponding ratchet wheel 11, the corresponding gear 10 can rotate freely.

In order to rotate the gears 10, a hand wheel 13 is coaxially installed on each gear 10 and is disposed on the right side of the ratchet wheel 11, and the hand wheel 13 is rotated to drive the corresponding gear 10 to rotate.

In order to facilitate the left and right movement of the sleeve 2, two handles 14 which are symmetrical front and back are fixed on the right end surface of the sleeve 2, the handle 14 is pulled to move the sleeve 2 to the right, and the handle 14 is pushed to move the sleeve 2 to the left.

In order to realize the rotation of the two conveying rollers 6, the left end and the right end of each conveying roller 6 are fixed on the fixing plate 1 on the corresponding side through a bearing respectively, a motor 15 is arranged on the outer side of the fixing plate 1 on the right side, an output shaft of the motor 15 is connected with the right end of the conveying roller 6 on the front side, a belt pulley 16 is arranged at the right end of each conveying roller 6, a belt 17 is sleeved on the two belt pulleys 16, the motor 15 rotates to drive the conveying roller 6 on the front side to rotate, and the conveying roller 6 on the front side drives the conveying roller 6 on the rear side to rotate through the belt.

In order to enable the standby conveyor belt 5 to be in a loose state when in standby, the diameter of the part, arranged in the inner cavity of the rectangular frame, of the two conveyor rollers 6 is smaller than that of the part, provided with the conveyor belt 7, so that the standby conveyor belt 5 is in the loose state when in standby by adjusting the area of the rectangular frame and the normal rotation of the two conveyor rollers 6 is not influenced.

The utility model discloses a concrete working process is: the four hand wheels 13 are manually and sequentially rotated clockwise, and because each hand wheel 13 is coaxially provided with one gear 10, when the hand wheel 13 is rotated clockwise, the corresponding gear 10 rotates clockwise, and the gear 10 rotates clockwise to gradually increase the area of the rectangular frame; four hand wheels 13 are manually and sequentially rotated anticlockwise, the hand wheels 13 drive the coaxially installed gear 10 to rotate anticlockwise, and the area of the rectangular frame is gradually reduced due to the anticlockwise rotation of the gear 10.

When the standby conveying belt 5 is in standby, the sleeve 2 is arranged in the groove, and the standby conveying belt 5 is sleeved on the outer side of a rectangular frame formed by four flat plates; since the diameter of the part of the two conveying rollers 6 which are arranged in the inner cavity of the rectangular frame is smaller than that of the part for installing the conveying belt 7, the area of the rectangular frame can be adjusted by rotating the hand wheel 13, so that the spare conveying belt 5 is in a loose state and the normal rotation of the two conveying rollers 6 is not influenced, as shown in fig. 4.

If the conveyer belt 7 is broken, the conveyer belt 7 is directly taken down, and if the conveyer belt 7 slips, the conveyer belt 7 is firstly moved to a position where the conveyer belt 7 is not installed on the conveyer roller 6; then, the four hand wheels 13 are manually and sequentially rotated clockwise, so that the area of the rectangular frame is gradually increased to the position where the rectangular frame can smoothly pass through the maximum diameter of the two conveying rollers 6, as shown in fig. 5, at the moment, the standby conveying belt 5 is in a tensioned state, and because each gear 10 is coaxially provided with one ratchet wheel 11 and each ratchet wheel 11 is matched with one pawl 12, when the hand wheels 13 are rotated clockwise, the pawls 12 are clamped on the ratchet wheels 11, so that the hand wheels 13 can only rotate clockwise, and the situation that the gears 10 are reversed due to the tensioning of the standby conveying belt 5 is; manually pulling the two handles 14 on the right end face of the sleeve 2, pulling the sleeve 2 out of the groove, moving the sleeve 2 to a position where the conveying belt 7 needs to be replaced, taking down the standby conveying belt 5 from a rectangular frame formed by four flat plates and installing the standby conveying belt 5 at a proper position, sleeving the slipping conveying belt 7 on the outer side of the rectangular frame, and then moving the sleeve 2 into the groove again; make pawl 12 break away from corresponding ratchet 11, the area of four hand wheels 13 adjustment rectangle frames of anticlockwise rotation in proper order makes the conveyer belt 7 that changes be in lax state and do not influence the normal rotation of two conveying rollers 6, blocks pawl 12 on corresponding ratchet 11, avoids two conveying rollers 6 pivoted in-process gear 10 anticlockwise rotations to make riser 8 drive the dull and stereotyped direction removal and influence two conveying rollers 6 and rotate towards being close to two conveying rollers 6.

The device has the advantages that:

1. form a rectangle frame through four flat boards, every flat board is fixed with one respectively and can be at the gliding riser 8 of the section of thick bamboo wall that sleeve 2 corresponds, makes the area of rectangle frame changeable, makes reserve conveyer belt 5 be in the relaxed state at reserve in-process through the area of adjustment rectangle frame, is in the state of tensioning in the short time of changing, so can not influence the life of reserve conveyer belt 5 or produce irreversible deformation.

2. Through set up reserve conveyer belt 5 on fixed plate 1, make when changing conveyer belt 7 need not dismantle conveyer belt 7 from fixed plate 1, saved time and manpower.

The utility model is simple in operation, through set up a reserve conveyer belt on the fixed plate, it is more convenient to make the change operation of conveyer belt get up, and reserve conveyer belt is in lax state at the reserve phase, avoids influencing the life of reserve conveyer belt.

Claims

1. A paper conveying device of a folding machine comprises two fixed plates (1) which are arranged in parallel at a left side and a right side and are vertically arranged at intervals, and is characterized in that a groove is formed in the right end face of the fixed plate (1) on the left side, a sleeve (2) which can move left and right and is square in an inner cavity is arranged in the groove, four flat plates which are parallel to the upper, lower, front and rear cylinder walls of the sleeve (2) are arranged in the inner cavity of the sleeve (2) respectively, two of the flat plates are first flat plates (3) which can move up and down in the inner cavity of the square sleeve (2), the other two flat plates are second flat plates (4) which can move back and forth in the inner cavity of the sleeve (2), the four flat plates form a rectangular frame with a variable area; two conveying rollers (6) which are arranged at intervals in the front-back direction and can rotate are mounted on the two fixing plates (1), a plurality of conveying belts (7) are sleeved on the two conveying rollers (6), the left ends of the two conveying rollers (6) penetrate through the inner cavity of the rectangular frame, and the diameters of the parts, arranged in the inner cavity of the rectangular frame, of the two conveying rollers (6) are smaller than the diameters of the parts, sleeved with the conveying belts (7).

2. The paper conveying device of a folding machine according to claim 1, characterized in that the sleeve (2) has a sliding slot in each of the upper, lower, front and rear walls, a vertical plate (8) is fixed to each flat plate, each vertical plate (8) is inserted into the corresponding sliding slot and can slide in the sliding slot, a through slot is formed in one end of each vertical plate (8) inserted into the sliding slot, a rack (9) is fixed to one side wall of each through slot, and each rack (9) is engaged with a gear (10).

3. A sheet feeding device for a folding machine according to claim 2, characterized in that each gear wheel (10) is coaxially provided with a ratchet wheel (11) disposed on the right side of the sleeve (2), and each ratchet wheel (11) is provided with a pawl (12) hinged on the right end face of the sleeve (2).

4. A sheet feeding device of a folding machine according to claim 2 or 3, characterized in that each gear (10) is coaxially provided with a hand wheel (13) disposed on the right side of the ratchet wheel (11).

5. The sheet feeding device of a folding machine according to claim 1, characterized in that two handles (14) symmetrical in tandem are fixed to the right end surface of the sleeve (2).

6. The paper feeding device of a folding machine according to claim 1, characterized in that a motor (15) is provided outside the right fixed plate (1), an output shaft of the motor (15) is connected with the right end of the front feeding roller (6), a belt pulley (16) is provided at the right end of each feeding roller (6), and a belt (17) is sleeved on the two belt pulleys (16).