CN200940050Y

CN200940050Y - External placed paper rack for printer

Info

Publication number: CN200940050Y
Application number: CN 200620088465
Authority: CN
Inventors: 王朝义
Original assignee: Shandong New Beiyang Information Technology Co Ltd
Current assignee: Shandong New Beiyang Information Technology Co Ltd
Priority date: 2006-08-25
Filing date: 2006-08-25
Publication date: 2007-08-29
Anticipated expiration: 2016-08-25

Abstract

The utility model discloses a printer outer paper bracket, and comprises a bracket composed of a left and a right bracket plate. The rear side of the bracket is provided with a paper roll supporting rod. The utility model is characterized in that the front side of the bracket is provided with a leading paper main roller, and the leading paper main roller is fixed in the cushion groove corresponding to the left and the right bracket through a spring. The spring is connected with bracket plate. The utility model can offer cushion when the generator is pulling the large scroll running and then reduce the load of the generator, thereby making the printer use more scroll. Under the two situations that the printing surface in the inner of the scroll and the printing face in the outer of the scroll, the utility model may offer more cushion. The utility model has the advantages of simple structure, low cost, and is especially applicable for using in printing large quantity, such as label printer, and also can be used for the carrying path of the inner scroll of the printer.

Description

The external paper frame of a kind of chopping machine

Technical field:

The utility model relates to chopping machine, the external paper frame of specifically a kind of chopping machine.

Background technology:

We know, chopping machine has been widely used in life, various fields such as work, but, has the chopping machine of specific (special) requirements for some, as label machine, because its printing amount is bigger usually, for avoiding frequently changing the inconvenience that printing paper roll brings, then need to use bigger paper roll, because the reel diameter in the chopping machine is subjected to the restriction of chopping machine volume usually, many label machines adopt in the chopping machine outside increases a paper support to place big paper roll, and the paper support is by the left socle plate, the support that the right support plate is formed, back-end support top is provided with the paper roll strut bar, but along with the increase of paper roll, the load of chopping machine motor increases simultaneously, makes original chopping machine motor can't satisfy the requirement of big paper roll, the printed contents distortion when beginning to print, occurs, compression occurs.

Summary of the invention:

The purpose of this utility model is to overcome above-mentioned the deficiencies in the prior art, is provided at when the chopping machine motor drags the paper roll rotation buffering is provided, and reduces the external paper frame of a kind of chopping machine of motor load.

The utility model can reach by following measure:

The external paper frame of a kind of chopping machine, comprise the support of forming by left and right supporting plate, back-end support top is provided with the paper roll strut bar, it is characterized in that the support leading section is provided with leads the paper home roll, lead the paper home roll and be strained and fixed on left and right supporting plate in the corresponding dashpot that is provided with by spring, the other end of spring is connected with supporting plate.

The utility model can be provided with and lead the secondary roller of paper leading paper home roll back upper place, leading the secondary roller of paper is strained and fixed on left and right supporting plate in the corresponding dashpot that is provided with by spring, the other end of spring is connected with supporting plate, further increase its buffering effect, to be used to print the paper roll of printing surface in the paper roll inboard.

Leading the paper home roll and lead the secondary roller of paper and form in the utility model by several axle sleeves of guide shaft and its outer suit, the friction when having reduced the paper transmission, and increased the diameter of buffer shaft, make buffering effect more remarkable.

Dashpot in the utility model on the left and right supporting plate is a bar shape trench hole, the dashpot of leading paper home roll two ends becomes the angle of 30-60 degree with horizon, preferably become the angle of 45 degree with horizon, spring is located at the dashpot below, the dashpot of leading the secondary roller of paper two ends is vertical configuration, and spring is located at the dashpot top.

The utility model can be provided with the connection base plate, connects base plate and is connected with supporting plate, and connecting panel is provided with the registration mast that is connected with chopping machine.

Chopping machine is when work, motor drags paper roll and rotates, in the time of the load maximum be when beginning to print paper roll by static begin to rotate in, motor load is less relatively in the normal transport process of printer paper, the utility model is owing to be provided with by leading the paper home roll, the shock absorber that dashpot and spring are formed, can drag at motor buffering is provided when big paper roll rotates, reduce the load of motor, make chopping machine can use bigger paper roll, owing to be provided with the two-stage shock absorber, the printing surface that makes paper roll all can provide bigger buffering at the printing surface of inboard and paper roll under the two kinds of situations in the outside, have simple in structure, advantage such as cost is lower.

Description of drawings:

Accompanying drawing is a structural representation of the present utility model, also is the structural representation of a kind of embodiment.

Fig. 1 is the scheme drawing that the utility model uses in chopping machine.

Fig. 2 is that the utility model uses the scheme drawing of printing surface when the paper roll in the outside.

Fig. 3 is that the utility model uses the scheme drawing of printing surface when the paper roll of inboard.

Fig. 4 is the utility model and chopping machine bonded assembly scheme drawing.

Fig. 5 is the structural representation of shock absorber in the utility model.

The specific embodiment:

Below in conjunction with accompanying drawing the utility model is further described:

As shown in drawings, the external paper support 2 of the chopping machine of chopping machine 1 is placed on chopping machine 1 rear, two registration masts 4 of external paper support 2 front ends are snapped in the hole of chopping machine 1 drain pan, can realize the location of external paper support 2, one end setting of external paper support 2 close chopping machines 1 is by leading the paper home roll, first shock absorber that dashpot and spring are formed, when the printing surface of printing paper roll 3 can be installed paper roll 3 according to the mode of Fig. 2 during in the outside, paper roll strut bar 6 is passed the mandrel of paper roll 3 and be placed on the holder stay 5, paper pulled down be pressed in the printhead below after passing the paper feed passage that passes chopping machine 1 then from first shock absorber, 11 belows, the printing surface that makes printer paper up, 11 buffer actions of first shock absorber this moment, the utility model can include only first shock absorber 11, also can comprise first shock absorber 11 and by leading the secondary roller of paper, second shock absorber 12 that dashpot and spring are formed, when the printing surface of printing paper roll 3 can be installed paper roll 3 according to the mode of Fig. 3 during in the inboard, paper roll strut bar 6 is passed the mandrel of paper roll 3 and be placed on the holder stay 5, paper is upwards drawn, walk around from the top of second shock absorber 12 and to be pressed in the printhead below after passing the paper feed passage that passes chopping machine 1 then from first shock absorber, 11 belows again, the printing surface that makes printer paper up, this moment, first shock absorber 11 and second shock absorber 12 played buffer actions, the buffering effects the when buffering effect when this two shock absorbers play buffer action jointly more is better than having only a shock absorber jointly.

A left side in the utility model, dashpot on the right support plate can adopt bar shape trench hole 7, the length direction of leading the slotted eye at paper home roll 13 two ends becomes the angle of 30-60 degree with horizon, preferably become the angle of 45 degree with horizon, spring is located at the dashpot below, the length direction of leading the slotted eye at the secondary roller of paper two ends is vertical configuration, spring is located at the dashpot top, first shock absorber 11 comprises leads paper home roll 13, the two ends of leading paper home roll 13 are connected with paper holder stay 5 by

extension spring

9,9 pairs of extension springs are led paper home roll 13 and are applied elastic force, under the extension spring resilient force, buffer shaft 13 can move by the length direction along slotted eye 7 in the slotted eye on the paper holder stay 57, second shock absorber 12 is identical with first shock absorber, 11 structures, comprise and lead the secondary roller 14 of paper, the two ends of leading the secondary roller 14 of paper are connected with paper holder stay 5 by extension spring 10, lead paper home roll 13 and lead the secondary roller 14 of paper and form by several axle sleeves 15 of guide shaft and its outer suit, axle sleeve 15 can rotate on guide shaft, the friction that has reduced when paper transmits has increased the guide shaft diameter again, makes buffering effect more remarkable.

When chopping machine began to print, paper roll is former to be under the quiescence, and motor will drive the speed that paper roll rotates and paper roll rotates when moment reaches printing, makes that motor load is excessive in a flash at this, easily with motionless very big paper roll; The printer paper that with the outside is printing surface passes shock absorber of the present utility model according to the mode of Fig. 2, when beginning to print, motor begins to rotate the back paper and moves forward, velocity of rotation when paper roll does not need to reach normal the printing immediately, but extension spring 9 at first is elongated, buffer shaft 13 moved up along the length direction of slotted eye 7 after extension spring 9 was elongated, one section surplus that paper bending is stored in the time of so just can discharging original extension spring 9 and be not elongated, like this, the rotating speed of motor when the moment of printing beginning does not just need to make paper roll reach normal the printing immediately, and the load of minimizing motor when printing beginning, but owing to have only first shock absorber 11 to work this moment, the surplus of the yardage of being stored by paper bending is less, and the effect that reduces motor load is outstanding inadequately.

When using inboard printer paper as printing surface, printer paper is passed first shock absorber 11 of the present utility model and second shock absorber 12 according to the mode of Fig. 3, when beginning to print, motor begins to rotate the back paper and moves forward, velocity of rotation when paper roll does not need to reach normal the printing immediately, but extension spring 9 at first is elongated with extension spring 10, dancing roll 13 moved up along the length direction of slotted eye 7 after extension spring 9 was elongated, dancing roll 14 moves down along the length direction of slotted eye 8, one section surplus that paper bending is stored in the time of so just can discharging original extension spring 9 and extension spring 10 and be not elongated, this section surplus approaches motor by the static distance that paper advances when reaching normal speed, like this, the rotating speed of motor when the moment of printing beginning does not just need to make paper roll reach normal the printing immediately, and reduce the load of motor when printing beginning.

Increasing of shock absorber number, can increase the length of the paper surplus that paper bending stores, when the speed of normal printing is determined, motor was also determined by the static used time of rotating speed when reaching normal print, be that the distance that paper moves in this process is certain, the surplus of the yardage of then required paper bending storage is certain, the number that suitably increases shock absorber makes the length of the paper surplus that paper bending is stored and motor suitable by the static distance that paper moves when reaching normal printing rotating speed, then can reduce the load of motor when especially paper roll begins to rotate when transmitting printer paper, make chopping machine can support the paper roll of larger diameter.

Above-mentioned shock absorber not only can be used on the external paper support of chopping machine, in like manner can also be used in the transfer path of printer paper roll.

Claims

1, the external paper frame of a kind of chopping machine, comprise the support that left socle plate, right support plate are formed, back-end support top is provided with the paper roll strut bar, it is characterized in that support front end bottom is provided with leads the paper home roll, lead the paper home roll and be strained and fixed on left and right supporting plate in the corresponding dashpot that is provided with by spring, the other end of spring is connected with supporting plate.

2, the external paper frame of a kind of chopping machine according to claim 1 is characterized in that leading paper home roll back upper place and is provided with and leads the secondary roller of paper, leads the secondary roller of paper and is fixed on the left and right supporting plate in the corresponding dashpot that is provided with by spring, and the other end of spring is connected with supporting plate.

3, the external paper frame of a kind of chopping machine according to claim 2 is characterized in that the dashpot of leading the secondary roller of paper two ends is vertical configuration.

4, according to claim 1, the external paper frame of 2 described a kind of chopping machines, it is characterized in that the dashpot on the left and right supporting plate is a bar shape trench hole.

5,, it is characterized in that leading the paper home roll and lead the secondary roller of paper and form by the axle sleeve of guide shaft and its outer suit according to claim 1, the external paper frame of 2 described a kind of chopping machines.

6, the external paper frame of a kind of chopping machine according to claim 1, the dashpot that it is characterized in that leading paper home roll two ends become the angle of 30-60 degree, spring to be located at the dashpot below with horizon.

7, the external paper frame of a kind of chopping machine according to claim 6 is characterized in that the dashpot of leading paper home roll two ends becomes 45 angles of spending with horizon.

8, the external paper frame of a kind of chopping machine according to claim 1 is characterized in that the support front end is provided with the connection base plate, and connecting panel is provided with the registration mast that is connected with chopping machine.