CN215755396U - Constant tension balancer for corrugated board production - Google Patents

Abstract

The utility model provides a constant tension balancer for corrugated board production, which belongs to the technical field of corrugated board production devices and comprises a shell; the connecting plates are provided with first circular grooves and are positioned in the shell; two fixed transfer rollers; this device can be through the transfer roller that will be located both sides about to the direction that is close to mutually simultaneously or simultaneously to the direction removal that keeps away from mutually increase or reduce the tension that the paper received, compare the speed of regulation greatly with traditional one-way regulation and speed up greatly, thereby make the paper when the tension grow or diminish that receives, can in time adjust back and avoid the paper to tear, reach fine balanced permanent tension state, and except that rectilinear movement transfer roller comes adjusting tension, still add the angle that increases between its and the fixed position's the transfer roller through rotating adjustable transfer roller and increase tensile regulation mode.

Description

Constant tension balancer for corrugated board production

Technical Field

The utility model belongs to the technical field of corrugated paper production devices, and particularly relates to a constant-tension balancer for corrugated board production.

Background

Corrugated paper is a plate-like object formed by bonding corrugated paper formed by processing a corrugated roll with a liner paper, and has the advantages of low cost, light weight, easy processing, high strength, excellent printing adaptability, convenient storage and transportation, etc., and is widely used as packaging paper. In a corrugated paper production line, paper is required to be inserted into a plurality of conveying rollers and then the conveying rollers are rotated by input power to guide paper transmission, and meanwhile, a tension balancer is required to be supplemented to adjust the distance, the position relation and the like among the plurality of conveying rollers so as to keep the tension applied to the paper in a balanced state all the time.

The mode that its regulation transfer roller of current constant tension balancer for corrugated paper production was used is comparatively single, can only adjust about wherein the transfer roller of one side go up and down to balance the paper tension, and the governing speed is slower, can not in time balance come when the paper tension that receives is too big or undersize, leads to the paper to increase because of the tearing risk of tension.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a constant tension balancer for corrugated board production, and aims to solve the problem that in the prior art, the tension of paper can be balanced only by adjusting the lifting of a conveying roller on one of the upper side and the lower side, the adjustment speed is slow, and the paper cannot be balanced in time when the tension is too large or too small, so that the risk of tearing the paper due to the tension is increased.

In order to achieve the purpose, the utility model provides the following technical scheme:

a constant tension balancer for corrugated board production comprising:

a housing;

the connecting plates are provided with first circular grooves and are positioned in the shell;

the two fixed conveying rollers are positioned between the two side inner walls of the shell;

a plurality of movable conveying rollers respectively positioned in the plurality of first circular grooves; and

the balance adjusting mechanism comprises a plurality of groups of moving parts and two groups of driving parts, the moving parts are respectively connected with the connecting plates to realize the vertical linear motion of the moving parts, so that the tension is adjusted by adjusting the distance between the movable conveying rollers, and the driving parts are respectively connected with the moving parts to realize the operation of the moving parts;

every group the moving part all includes first lead screw, first screw-nut, second lead screw, second screw-nut and two sets of coupling assembling, the second lead screw rotates to be connected in the lower inner wall of casing, first lead screw fixed connection is in the upper end of second lead screw, and the screw thread opposite direction of first lead screw and second lead screw, first screw-nut and second screw-nut are fixed in a side end of wherein two connecting plates through two sets of coupling assembling respectively, and first screw-nut and second screw-nut be threaded connection respectively in the circumferential surface of first lead screw and second lead screw.

As a preferable scheme of the present invention, each of the connecting assemblies includes a rotating plate, two sliding rods, a plurality of fixing plates and a plurality of sliding grooves, the plurality of fixing plates are respectively and fixedly connected to the adjacent ends of one of the first lead screws and one of the connecting plates, the plurality of sliding grooves are respectively opened at the adjacent ends of the plurality of fixing plates, the two sliding rods are respectively and slidably connected to the plurality of sliding grooves, and the rotating plate is rotatably connected to the circumferential surfaces of the two sliding rods.

As a preferable scheme of the present invention, each of the driving parts includes a motor, a first gear and two second gears, the two second gears are respectively and fixedly connected to the circumferential surfaces of the two first screws, the motor is fixedly connected to the upper end of the housing, the first gear is fixedly connected to the output end of the motor, and the first gear and the two second gears are meshed with each other.

As a preferable aspect of the present invention, the other two side inner walls of the housing are fixedly connected to first bearings, the two fixed conveying rollers are fixedly connected to circumferential inner walls of the plurality of first bearings, respectively, the circumferential inner walls of the plurality of first circular grooves are fixedly connected to second bearings, and the plurality of movable conveying rollers are fixedly connected to circumferential inner walls of the plurality of second bearings, respectively.

As a preferable scheme of the present invention, a plurality of T-shaped limiting grooves are formed in inner walls of two of the side walls of the housing, two side ends of the first lead screw nuts and the second lead screw nuts are fixedly connected with T-shaped limiting blocks, and the T-shaped limiting blocks are respectively slidably connected in the T-shaped limiting grooves.

In a preferred embodiment of the present invention, the diameter and the number of teeth of the first gear are smaller than the diameter and the number of teeth of the second gear.

In a preferred embodiment of the present invention, the housing has a plurality of second circular grooves formed at an upper end thereof, and the plurality of first lead screws pass through the plurality of second circular grooves and do not contact with inner circumferential walls of the second circular grooves.

Compared with the prior art, the utility model has the beneficial effects that:

1. in this scheme, it orders about multiunit moving part to operate simultaneously through two sets of drive parts that are equipped with, move to the direction that is close to mutually simultaneously with two connecting plates that are located the downside in order to drive two connecting plates that are located the upside, thereby make three activity transfer roller move in order to reduce the tension that the paper received to the direction that is close to mutually simultaneously, on the same way, when driving four second screw-nut antiport through drive parts, can make three activity transfer roller remove the tension that receives with the increase paper to the direction of keeping away from mutually simultaneously, it is very fast to compare the governing speed with traditional one-way regulation, can avoid the paper to receive can in time adjust back after the tension change and cause the tear.

2. In the scheme, one group of driving parts can be controlled to operate only to drive the three movable conveying rollers to rotate leftwards or rightwards while keeping relatively static so as to increase the relative angle between the three movable conveying rollers and the two fixed conveying rollers to increase the tension borne by the paper, and another single tension-increasing adjusting mode is formed.

3. In this scheme, bear the rotation of fixed transfer roller and activity driving roller through first bearing and the second bearing that is equipped with, can play the coefficient of friction who reduces its motion in-process to guarantee the effect of its gyration precision.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the principles of the utility model and not to limit the utility model. In the drawings:

FIG. 1 is an exploded view of the present invention;

FIG. 2 is a perspective view of the present invention;

FIG. 3 is a cross-sectional view of the present invention;

fig. 4 is a partial enlarged view of the utility model at a in fig. 3.

In the figure: 1. a housing; 101. a T-shaped limiting groove; 2. a connecting plate; 3. a first bearing; 301. fixing the conveying roller; 302. a second bearing; 303. a movable conveying roller; 4. a motor; 401. a first gear; 402. a second gear; 5. a first lead screw; 501. a first lead screw nut; 502. a second lead screw; 503. a second feed screw nut; 504. a T-shaped limiting block; 6. a fixing plate; 601. a chute; 602. a slide bar; 603. and rotating the plate.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example 1

Referring to fig. 1-4, the present invention provides the following technical solutions:

a constant tension balancer for corrugated board production, comprising:

a housing 1;

a plurality of connecting plates 2 provided with first circular grooves, wherein the plurality of connecting plates 2 are all positioned in the shell 1;

two fixed conveying rollers 301, wherein the two fixed conveying rollers 301 are positioned between two side inner walls of the shell 1;

a plurality of movable conveyance rollers 303, the plurality of movable conveyance rollers 303 being located in the plurality of first circular grooves, respectively; and

the balance adjusting mechanism comprises a plurality of groups of moving parts and two groups of driving parts, the plurality of groups of moving parts are respectively connected with the plurality of connecting plates 2 to realize the vertical linear motion of the connecting plates, so that the tension is adjusted by adjusting the distance between the plurality of movable conveying rollers 303, and the two groups of driving parts are respectively connected with the plurality of groups of moving parts to realize the operation of the driving parts;

each group of moving parts comprises a first screw rod 5, a first screw rod nut 501, a second screw rod 502, a second screw rod nut 503 and two groups of connecting assemblies, the second screw rod 502 is rotatably connected to the lower inner wall of the shell 1, the first screw rod 5 is fixedly connected to the upper end of the second screw rod 502, the thread directions of the first screw rod 5 and the second screw rod 502 are opposite, the first screw rod nut 501 and the second screw rod nut 503 are respectively fixed to one side end of two connecting plates 2 through the two groups of connecting assemblies, and the first screw rod nut 501 and the second screw rod nut 503 are respectively in threaded connection with the circumferential surfaces of the first screw rod 5 and the second screw rod 502.

In the embodiment of the utility model, the shell 1 plays a role of supporting other structures of the fixing device, the upper end of the shell 1 is an opening, the opening is composed of an upper rectangular part and a lower cross-shaped part, the upper side of the lower inner wall of the shell 1 is provided with four connecting plates 2, the four connecting plates 2 are distributed on the front and rear sides in groups, the front ends of the two connecting plates 2 on the upper side are provided with a first circular groove, the front ends of the two connecting plates 2 on the lower side are provided with two first circular grooves, the two adjacent first circular grooves on the front and rear sides are provided with movable conveying rollers 303, two fixed conveying rollers 301 are arranged between the front and rear inner walls of the shell 1, the two fixed conveying rollers 301 are respectively arranged on the left and right sides of the three movable conveying rollers 303, the two fixed conveying rollers 301 and the three movable conveying rollers feed paper sheets pass through for conveying, and the four corners of the lower inner wall of the shell 1 are all rotated with second screw rods 502, the peripheral surfaces of the four second screw rods 502 are all in threaded connection with second screw rod nuts 503, the upper ends of the four second screw rods 502 are all fixed with first screw rods 5, the peripheral surfaces of the four first screw rods 5 are all in threaded connection with first screw rod nuts 501, the four second screw rod nuts 503 and the four first screw rod nuts 501 are connected to the left end and the right end of the four connecting plates 2 through eight groups of connecting assemblies, the four second screw rods 502 are driven to rotate by an arranged driving part, the four first screw rods 5 can be driven to rotate together, because the thread directions of the second screw rods 502 and the first screw rods 5 are opposite, the four first screw rod nuts 501 can synchronously move downwards, the four second screw rod nuts 503 can synchronously move upwards, so as to drive the two connecting plates 2 on the upper side and the two connecting plates 2 on the lower side to simultaneously move towards the approaching direction, so that the three movable conveying rollers 303 simultaneously move towards the approaching direction to reduce the tension force applied to the paper, compared with the traditional one-way adjustment, the adjustment speed is higher, and in the same way, when the driving part drives the four second lead screw nuts 503 to rotate reversely, the three movable conveying rollers 303 can move towards the direction away from each other simultaneously to increase the tension borne by the paper. The driving part is provided with two sets, the driving part positioned on the left side can drive the two second screw rods 502 positioned on the left side to rotate, the driving part positioned on the right side can drive the two second screw rods 502 positioned on the right side to rotate, the two movable conveying rollers 303 positioned on the lower side and the movable conveying roller 303 positioned on the upper side can be driven to move towards the direction close to or away from each other simultaneously by simultaneously operating the two sets of driving parts, and the three movable conveying rollers 303 can be driven to rotate up and down by only operating one set of driving part to respectively use one end of the four motors 4 as an axis to form another adjusting mode.

Specifically referring to fig. 4, each of the connecting assemblies includes a rotating plate 603, two sliding rods 602, a plurality of fixing plates 6 and a plurality of sliding grooves 601, the plurality of fixing plates 6 are respectively and fixedly connected to the near ends of one of the first lead screws 5 and one of the connecting plates 2, the plurality of sliding grooves 601 are respectively opened at the near ends of the plurality of fixing plates 6, the two sliding rods 602 are respectively and slidably connected to the plurality of sliding grooves 601, and the rotating plate 603 is rotatably connected to the circumferential surfaces of the two sliding rods 602.

In this embodiment: the right ends of two first lead screw nuts 501 and two second lead screw nuts 503 positioned on the left side, the left ends of two first lead screw nuts 501 and two second lead screw nuts 503 positioned on the right side, and the left and right ends of four connecting plates 2 are all fixed with two fixing plates 6, the near ends of the fixing plates 6 are all provided with sliding chutes 601, sliding rods 602 are all slid between the two sliding chutes 601 positioned on the left and right sides in a group of connecting assemblies, the circumferential surfaces of the two sliding rods 602 are rotatably connected with rotating plates 603, when the four second lead screws 502 on the left and right sides rotate simultaneously, the four connecting plates 2 keep synchronously lifting the rotating plates 603 and cannot rotate around the surfaces of the sliding rods 602, when the two second lead screws 502 on one of the left and right sides rotate and the two second lead screws 502 on the other side do not rotate, the two sliding rods 602 in each group of connecting assemblies slide towards the approaching direction, and drives the four connecting plates 2 to respectively rotate upwards or downwards by taking the end parts of the other sides of the four connecting plates 2 as axes.

Specifically, referring to fig. 1, each set of driving components includes a motor 4, a first gear 401 and two second gears 402, the two second gears 402 are respectively and fixedly connected to the circumferential surfaces of the two first screws 5, the motor 4 is fixedly connected to the upper end of the housing 1, the first gear 401 is fixedly connected to the output end of the motor 4, and the first gear 401 and the two second gears 402 are engaged with each other.

In this embodiment: the motor 4 can select different models according to actual needs, for example, the model is Y630-10/1180, the motor 4 is electrically connected with an external power supply, and one of the first gears 401 can be driven to rotate by the operation of one of the motors 4, and then the two of the second gears 402 are driven to rotate, so that the two of the first lead screws 5 and the two of the second lead screws 502 rotate. For those skilled in the art, the motor 4 is prior art and will not be described in detail.

Specifically, referring to fig. 1 and 3, the inner walls of the other two sides of the housing 1 are fixedly connected with the first bearings 3, the two fixed conveying rollers 301 are respectively fixedly connected to the circumferential inner walls of the first bearings 3, the circumferential inner walls of the first circular grooves are respectively fixedly connected with the second bearings 302, and the movable conveying rollers 303 are respectively fixedly connected to the circumferential inner walls of the second bearings 302.

In this embodiment: two first bearings 3 are fixed on the front inner wall and the rear inner wall of the shell 1, the four first bearings 3 are respectively located on the left side and the right side of the four connecting plates 2, second bearings 302 are fixed in the six circular grooves, the two first bearings 3 corresponding to the front and the rear are respectively fixed on the circumferential surfaces of the two fixed conveying rollers 301, and the two second bearings 302 corresponding to the front and the rear are respectively fixed on the circumferential surfaces of the three movable conveying rollers 303. The first bearing 3 and the second bearing 302 function to support the rotation of the fixed conveyance roller 301 and the movable conveyance roller 303, reduce the friction coefficient during the movement thereof, and ensure the revolution accuracy thereof.

Referring to fig. 4, a plurality of T-shaped limiting grooves 101 are formed in two inner side walls of the housing 1, two side ends of the first lead screw nuts 501 and the second lead screw nuts 503 are fixedly connected with T-shaped limiting blocks 504, and the T-shaped limiting blocks 504 are slidably connected in the T-shaped limiting grooves 101, respectively.

In this embodiment: two T-shaped limiting grooves 101 are formed in the front portion and the rear portion of the inner walls of the left side and the right side of the shell 1, T-shaped limiting blocks 504 are fixed to the left end and the right end of each of the four first lead screw nuts 501 and the four second lead screw nuts 503, and the four connecting plates 2 can be limited by the aid of the eight T-shaped limiting blocks 504 which slide up and down along the plurality of T-shaped limiting grooves 101 respectively, so that the four connecting plates can only move linearly up and down within the range of the four T-shaped limiting grooves 101.

Specifically referring to fig. 2, the diameter and the number of teeth of the first gear 401 are smaller than those of the second gear 402.

In this embodiment: the first gear 401 is a small gear, the second gear 402 is a large gear, and the transmission ratio between the first gear 401 and the second gear 402 is small, so that the rotation speed of the motor 4 can be reduced to increase the adjustment precision.

Specifically, referring to fig. 1, a plurality of second circular grooves are formed at the upper end of the housing 1, and the plurality of first screws 5 respectively penetrate through the plurality of second circular grooves and do not contact with the inner circumferential wall of the second circular grooves.

In this embodiment: the four corners of the upper end of the shell 1 are provided with second circular grooves, and the four first screw rods 5 respectively penetrate through the four second circular grooves and are not in contact with the second circular grooves, so that the four first screw rods 5 can freely rotate without resistance.

The working principle and the using process of the utility model are as follows: in the process of conveying paper by being inserted into the two fixed conveying rollers 301 and the three movable conveying rollers 303, if the tension borne by the paper is increased and the tension needs to be reduced to maintain constant tension balance, firstly, the two motors 4 need to be controlled to start operation, then the two first gears 401 are driven to rotate, further the four second gears 402 and the four first lead screws 5 are driven to rotate, further the four second lead screws 502 are driven to rotate, because the thread directions of the first lead screws 5 and the second lead screws 502 are opposite, the four first lead screw nuts 501 can drive the two connecting plates 2 on the upper side to move downwards, meanwhile, the four second lead screw nuts 503 can drive the two connecting plates 2 on the lower side to move upwards, further one movable conveying roller 303 on the upper side and the two movable conveying rollers 303 on the lower side to move towards the direction close to reduce the tension, when the tension returns to the balance state, stopping the operation of the two motors 4, when the tension borne by the paper is reduced and the tension needs to be increased to maintain constant tension balance, controlling the two motors 4 to reversely operate so as to drive one movable conveying roller 303 positioned at the upper side and the two connecting plates 2 positioned at the lower side to simultaneously move towards the direction away from each other so as to increase the tension, and in addition, only starting one of the motors 4 to operate so as to drive the three movable conveying rollers 303 to keep synchronous rotation to increase the angle between the three movable conveying rollers 303 and the two fixed conveying rollers 301 so as to increase the tension of the paper to form another adjusting mode; this device can be through the transfer roller that will be located both sides about to the direction that is close to mutually simultaneously or simultaneously to the direction removal that keeps away from mutually increase or reduce the tension that the paper received, compare the speed of regulation greatly with traditional one-way regulation and speed up greatly, thereby make the paper when the tension grow or diminish that receives, can in time adjust back and avoid the paper to tear, reach fine balanced permanent tension state, and except that rectilinear movement transfer roller comes adjusting tension, still add the angle that increases between its and the fixed position's the transfer roller through rotating adjustable transfer roller and increase tensile regulation mode.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the utility model. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (7)

1. A constant tension balancer for corrugated board production, comprising:

a housing (1);

the connecting plates (2) are provided with first circular grooves, and the connecting plates (2) are all positioned in the shell (1);

the two fixed conveying rollers (301), and the two fixed conveying rollers (301) are positioned between two side inner walls of the shell (1);

a plurality of movable transfer rollers (303), the plurality of movable transfer rollers (303) being respectively located in the plurality of first circular grooves; and

the balance adjusting mechanism comprises a plurality of groups of moving parts and two groups of driving parts, the plurality of groups of moving parts are respectively connected with the plurality of connecting plates (2) to realize the vertical linear motion of the moving parts, so that the tension is adjusted by adjusting the distance between the plurality of movable conveying rollers (303), and the two groups of driving parts are respectively connected with the plurality of groups of moving parts to realize the operation of the moving parts;

every group the moving part all includes first lead screw (5), first lead screw nut (501), second lead screw (502), second lead screw nut (503) and two sets of coupling assembling, second lead screw (502) rotate to be connected in the lower inner wall of casing (1), first lead screw (5) fixed connection is in the upper end of second lead screw (502), and the screw direction of first lead screw (5) and second lead screw (502) is opposite, first lead screw nut (501) and second lead screw nut (503) are fixed in one side end of wherein two connecting plates (2) through two sets of coupling assembling respectively, and first lead screw nut (501) and second lead screw nut (503) threaded connection respectively in the circumferential surface of first lead screw (5) and second lead screw (502).

2. A constant tension balancer for corrugated board production as claimed in claim 1, wherein: every group coupling assembling all includes rotor plate (603), two slide bars (602), a plurality of fixed plate (6) and a plurality of spout (601), and is a plurality of fixed plate (6) fixed connection respectively in one of them first lead screw (5) and one of them connecting plate (2) lean on the near-end mutually, a plurality of the near-end is leaned on mutually of a plurality of fixed plate (6) is seted up respectively in spout (601) two slide bars (602) sliding connection respectively in a plurality of spout (601), rotor plate (603) rotate and connect in the circumferential surface of two slide bars (602).

3. A constant tension balancer for corrugated board production as claimed in claim 2, wherein: every group the driver part all includes motor (4), first gear (401) and two second gear (402), two second gear (402) fixed connection respectively in the circumferential surface of wherein two first lead screw (5), motor (4) fixed connection is in the upper end of casing (1), first gear (401) fixed connection is in the output of motor (4), and first gear (401) and two second gear (402) homogeneous phase meshing.

4. A constant tension balancer for corrugated board production as claimed in claim 3, wherein: the equal fixedly connected with first bearing (3) of two other side inner walls of casing (1), two fixed transfer roller (301) is fixed connection respectively in the circumference inner wall of a plurality of first bearings (3), and is a plurality of the equal fixedly connected with second bearing (302) of circumference inner wall of first circular recess, it is a plurality of activity transfer roller (303) is fixed connection respectively in the circumference inner wall of a plurality of second bearings (302).

5. A constant tension balancer for corrugated board production as claimed in claim 4, wherein: a plurality of T-shaped limiting grooves (101) are formed in the inner walls of two sides of the shell (1), the first lead screw nuts (501) and the second lead screw nuts (503) are fixedly connected with T-shaped limiting blocks (504), and the T-shaped limiting blocks (504) are connected into the T-shaped limiting grooves (101) in a sliding mode.

6. A constant tension balancer for corrugated board production as claimed in claim 5, wherein: the diameter and the number of teeth of the first gear (401) are smaller than those of the second gear (402).

7. A constant tension balancer for corrugated board production as claimed in claim 6, wherein: the upper end of the shell (1) is provided with a plurality of second circular grooves, and the plurality of first screw rods (5) respectively penetrate through the plurality of second circular grooves and are not in contact with the inner circumferential wall of the second circular grooves.

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