CN220883822U - Paper pick-up structure of printer - Google Patents
Paper pick-up structure of printer Download PDFInfo
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- CN220883822U CN220883822U CN202322746417.XU CN202322746417U CN220883822U CN 220883822 U CN220883822 U CN 220883822U CN 202322746417 U CN202322746417 U CN 202322746417U CN 220883822 U CN220883822 U CN 220883822U
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- 238000000034 method Methods 0.000 claims abstract description 10
- 238000005096 rolling process Methods 0.000 claims description 9
- 210000001503 joint Anatomy 0.000 claims description 4
- 229920000181 Ethylene propylene rubber Polymers 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 1
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Abstract
The utility model provides a paper pick-up structure of a printer, which comprises a support frame, a paper pick-up device and a paper pick-up device, wherein the support frame is provided with a paper storage cavity and two through grooves, and the two through grooves are respectively aligned on two opposite sides of the paper storage cavity; the paper picking component comprises two sliding blocks, a paper picking roller and two springs, wherein the two sliding blocks are respectively arranged in the two through grooves, the opposite ends of the paper picking roller are respectively connected with the two sliding blocks in a rotating way, the two springs are respectively and correspondingly arranged in the through grooves, one end of each spring is abutted with the top wall surface of the through groove, and the other end of each spring is abutted with the upper surface of each sliding block; during the pick-up process, the spring applies a downward force to the slider. In the paper picking process, the spring gradually extends outwards from the compressed state, and downward acting force is always applied to the sliding block, so that downward acting force is always applied to the paper picking roller, the paper picking roller can be kept against the uppermost paper in the paper storage cavity, the paper is conveyed to an input area of the printer under the rotation action of the paper picking roller, and the paper conveying is stable and reliable in work.
Description
Technical Field
The utility model relates to the technical field of printers, in particular to a paper pick-up structure of a printer.
Background
Pick-up rollers are an essential component in printers and the like, and mainly serve to transport paper during printing, such as from a paper cassette to an input area of the printer.
Chinese patent CN200710153430.7 discloses a paper feeding unit and an image forming apparatus having the same, a lifting device of which includes a spring abutting a lower surface of a knock-up plate and a spring adjusting mechanism for adjusting an installation height of the spring. Each spring urges a first end of the knock-up plate toward the pick up device to force a sheet on the knock-up plate into contact with the pick up device. In the printing process, the printing paper is pushed upwards, so that the printing paper is kept in contact with the pick-up device, the paper can be conveyed stably, a novel paper pick-up structure is provided at present, and the effect of paper conveying stability can be achieved.
Disclosure of utility model
The utility model mainly aims to provide a paper picking structure of a printer, which aims to effectively solve the problem of unstable paper conveying.
In order to achieve the above purpose, the technical scheme of the utility model is as follows:
the utility model provides a paper picking structure of a printer, comprising:
The supporting frame is provided with a paper storage cavity and two through grooves, and the two through grooves are respectively aligned on two opposite sides of the paper storage cavity;
the paper picking component comprises two sliding blocks, a paper picking roller and two springs, wherein the two sliding blocks are respectively arranged in the two through grooves, the opposite ends of the paper picking roller are respectively connected with the two sliding blocks in a rotating way, the two springs are respectively and correspondingly arranged in the through grooves, one end of each spring is in butt joint with the top wall surface of the through groove, and the other end of each spring is in butt joint with the upper surface of each sliding block;
During the paper pick-up process, the spring applies a downward force to the slider.
Compared with the prior art, in the paper picking structure of the printer, the spring gradually extends outwards from the compressed state in the paper picking process, and downward acting force is always applied to the sliding block, so that downward acting force is always applied to the paper picking roller, the paper picking roller can be kept against the uppermost paper in the paper storage cavity, the paper is conveyed to the input area of the printer under the rotating action of the paper picking roller, and the paper conveying is stable and reliable in work.
In a preferred embodiment, the pick-up roller comprises a roller and a plurality of pick-up wheels; the rolling shaft is rotationally connected with the two sliding blocks; the paper picking wheels are uniformly arranged on the rolling shaft at intervals.
In a preferred embodiment, the paper picking wheel comprises a framework wheel and a wheel sleeve sleeved on the framework wheel; the wheel sleeve is made of ethylene propylene rubber materials, and a tooth-shaped structure is arranged on the outer circumferential surface of the wheel sleeve.
In a preferred embodiment, one side or two opposite sides of the pick-up wheel are provided with fixing pieces, and the fixing pieces are connected with the framework wheel and the wheel sleeve.
In a preferred embodiment, the pick-up wheel is detachably connected to the roller.
In a preferred embodiment, a plurality of paper picking wheels are respectively provided with limiting pieces at two opposite sides along the axial direction, and the limiting pieces are sleeved on the rolling shafts.
In a preferred embodiment, the pick-up roller further comprises a driving motor, wherein the driving motor is arranged on the outer side of the supporting frame, and the driving motor is in driving connection with the roller.
In a preferred embodiment, the paper pick-up unit further comprises a carrier plate connected to the slider, and the drive motor is disposed on the carrier plate.
In a preferred embodiment, the bottom of the paper pick-up wheel is arranged at the same height as the bottom of the sliding block; the bottom wall surface of the through groove is flush with the bottom surface of the paper storage cavity.
In a preferred embodiment, the width of the through groove is matched with the width of the sliding block; a sliding rod is arranged on the through groove, and the opposite ends of the sliding rod are respectively connected with the top wall surface and the bottom wall surface of the through groove; the spring is sleeved on the sliding rod; the sliding block is provided with a through hole, and the sliding rod penetrates through the through hole.
For a better understanding and implementation, the following drawings illustrate the utility model in detail.
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 utility model and do not constitute a limitation on the utility model. In the drawings:
FIG. 1 is one of the schematic structural diagrams of a paper pick-up structure of a printer;
FIG. 2 is a second schematic diagram of a paper pick-up structure of the printer;
Fig. 3 is an enlarged view of a in fig. 2.
Reference numerals illustrate:
1-supporting frame, 11-paper storage cavity, 12-through groove, 2-slide block, 3-pick-up roller, 31-rolling shaft, 32-pick-up roller, 321-wheel sleeve, 322-fixing sheet, 4-spring, 5-driving motor, 6-supporting plate, 7-sliding rod and 8-paper.
Detailed Description
In order to better illustrate the present utility model, the present utility model will be described in further detail below with reference to the accompanying drawings.
It should be understood that the described embodiments are merely some, but not all embodiments of the present application. All other embodiments, which can be made by one of ordinary skill in the art without undue burden from the application, are intended to be within the scope of the embodiments of the present application.
The terminology used in the embodiments of the application is for the purpose of describing particular embodiments only and is not intended to be limiting of embodiments of the application. As used in this application and the appended claims, the singular forms "a," "an," and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It should also be understood that the term "and/or" as used herein refers to and encompasses any or all possible combinations of one or more of the associated listed items.
In the description of the present utility model, it should be understood that the terms "vertical," "transverse," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, merely to facilitate description of the present utility model and simplify the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the protection of the present utility model.
As shown in fig. 1 to 3, the present utility model provides a paper pick-up structure of a printer, comprising:
The paper storage device comprises a support frame 1, a paper storage cavity 11 and two through grooves 12, wherein the two through grooves 12 are respectively aligned on two opposite sides of the paper storage cavity 11;
The paper picking component comprises two sliding blocks 2, a paper picking roller 3 and two springs 4, wherein the two sliding blocks 2 are respectively arranged in two through grooves 12, opposite ends of the paper picking roller 3 are respectively and rotatably connected with the two sliding blocks 2, the two springs 4 are respectively and correspondingly arranged in the through grooves 12, one ends of the springs 4 are abutted with the top wall surface of the through grooves 12, and the other ends of the springs 4 are abutted with the upper surfaces of the sliding blocks 2;
During the pick-up process, the spring 4 applies a downward force to the slider 2.
Compared with the prior art, in the paper picking structure of the printer, the spring 4 gradually stretches outwards from a compressed state in the paper picking process, and downward acting force is always applied to the sliding block 2, so that downward acting force is always applied to the paper picking roller 3, the paper picking roller 3 can always keep propped against the uppermost paper 8 in the paper storage cavity, and then the paper is conveyed to an input area of the printer under the rotation action of the paper picking roller 3, and the paper conveying is stable and reliable.
In one embodiment, the pick-up roller 3 comprises a roller 31 and a plurality of pick-up wheels 32; the roller 31 is rotatably connected with the two sliding blocks 2; the plurality of pick-up wheels 32 are disposed on the roller 31 at uniform intervals, and the sheet 8 is conveyed by the plurality of pick-up wheels 32 to stabilize the conveyance of the sheet 8.
Further, the paper picking wheel 32 comprises a framework wheel and a wheel sleeve 321 sleeved on the framework wheel; the wheel sleeve 321 is made of ethylene propylene rubber material, and a tooth-shaped structure is arranged on the outer circumferential surface of the wheel sleeve 321. The wheel sleeve 321 with the tooth-shaped structure can effectively reduce the adhesive force of the contact surface, so that the paper pick-up wheel 32 is easy to separate from paper, paper jam can be avoided under the condition of high-speed paper pick-up, the friction force of the paper pick-up wheel 32 is increased, and the performance of the paper pick-up roller 3 is improved.
Further, a fixing piece 322 is disposed on one side or two opposite sides of the pick-up wheel 32, and the fixing piece 322 is connected with the skeleton wheel and the wheel sleeve 321. The fixing pieces 322 are fixedly connected to two sides of the paper picking wheel 32, and the fixing pieces 322 can effectively prevent the slipping of the wheel sleeve 321 in the use process, so that the conveying of the paper 8 is ensured. Preferably, a plurality of through holes are formed in the fixing piece 322, the plurality of through holes are respectively formed in the projection ranges of the skeleton wheel and the wheel sleeve, and then screw fasteners are used for penetrating the plurality of through holes, so that screws are in threaded connection with the skeleton wheel and the wheel sleeve, and the skeleton wheel and the wheel sleeve are fixed.
Further, the pick-up wheel 32 is detachably connected with the roller 31, when the pick-up wheel 32 is worn and needs to be replaced, the pick-up wheel 32 is replaced independently, the roller 31 is not required to be replaced, and maintenance cost is saved.
Further, a plurality of the pick-up wheels 32 are respectively provided with a stopper (not shown) at opposite sides in the axial direction, and the stoppers are sleeved on the roller 31 to fix the position of the pick-up wheels 32.
Preferably, the limiting part is a clamp spring, the installation is simple, and the positioning is reliable.
Further, the pick-up roller 3 further comprises a driving motor 5, the driving motor 5 is arranged on the outer side of the supporting frame 1, and the driving motor 5 is in driving connection with the roller 31, so that the pick-up roller 3 rotates.
Further, the paper pick-up component further comprises a bearing plate 6 connected with the sliding block 2, the driving motor 5 is arranged on the bearing plate 6 to support and bear the driving motor 5, so that the load of the paper pick-up roller 3 on the weight of the motor is avoided, the load of the paper pick-up roller 3 is reduced, the paper pick-up roller 3 rotates stably, and the stability and reliability of conveying the paper 8 are effectively guaranteed.
Further, the bottom of the paper pick-up wheel and the bottom of the sliding block are arranged at the same height; the bottom wall surface of the through groove is flush with the bottom surface of the paper storage cavity, so that the paper pick-up wheel can be contacted with the surface of the paper when only one piece of paper is left, and the situation of empty paper is avoided.
In one embodiment, the width of the through groove 12 is adapted to the width of the sliding block 2, a sliding rod 7 is arranged on the through groove 12, and two opposite ends of the sliding rod 7 are respectively connected with the top wall surface and the bottom wall surface of the through groove 12; the spring 4 is sleeved on the sliding rod 7; the sliding block 2 is provided with a through hole, and the sliding rod 7 is arranged through the through hole. In the first aspect, the spring 4 is sleeved on the sliding rod 7, and the sliding rod 7 has a positioning function on the spring 4; in the second aspect, since the width of the through groove 12 is adapted to the width of the sliding block 2, two sliding rods 7 are correspondingly arranged on the two sliding blocks 2 in a penetrating manner, so that the two sliding blocks 2 can only move up and down and cannot move left and right; the pick-up roller 3 is connected with the two sliders 2, so that the pick-up roller 3 can only move up and down, and the positions of the pick-up roller 3 acting on each piece of paper are the same, so that the stability and reliability of conveying the paper 8 are effectively ensured.
In specific use, the slider 2 drives the pick-up roller 3 to descend under the elastic action of the spring 4, so that the pick-up roller 32 is abutted against the surface of the paper 8, the driving motor 5 is started, the pick-up roller 32 is rotated on the surface of the paper 8 to pick up paper, and the driving motor 5 controls the rotation speed of the pick-up roller 3 to control the conveying speed of the paper 8; the wheel sleeve 321 with the tooth-shaped structure arranged outside the paper pick-up wheel 32 reduces the adhesive force of the contact surface with the paper 8, so that the paper pick-up wheel 32 is easier to separate from the paper 8 in the paper pick-up process, and the occurrence of paper jam is avoided; due to the elastic expansion effect of the springs 4, when the number of the paper sheets 8 is gradually reduced, the sliding block 2 automatically slides from top to bottom along the sliding rod 7, so that the paper pick-up wheel 32 is kept in contact with the surface of the paper sheets 8; the fixing piece 322 can prevent the wheel sleeve 321 from sliding relatively after the paper picking wheel 32 is used for a long time, so that the performance and the service life of the product are effectively improved.
The present utility model is not limited to the above-described embodiments, but, if various modifications or variations of the present utility model are not departing from the spirit and scope of the present utility model, the present utility model is intended to include such modifications and variations as fall within the scope of the claims and the equivalents thereof.
Claims (10)
1. A paper pick-up structure of a printer, comprising:
The supporting frame is provided with a paper storage cavity and two through grooves, and the two through grooves are respectively aligned on two opposite sides of the paper storage cavity;
the paper picking component comprises two sliding blocks, a paper picking roller and two springs, wherein the two sliding blocks are respectively arranged in the two through grooves, the opposite ends of the paper picking roller are respectively connected with the two sliding blocks in a rotating way, the two springs are respectively and correspondingly arranged in the through grooves, one end of each spring is in butt joint with the top wall surface of the through groove, and the other end of each spring is in butt joint with the upper surface of each sliding block;
During the paper pick-up process, the spring applies a downward force to the slider.
2. The paper pick-up structure of the printer according to claim 1, wherein:
the paper pick-up roller comprises a roller shaft and a plurality of paper pick-up wheels;
the rolling shaft is rotationally connected with the two sliding blocks;
the paper picking wheels are uniformly arranged on the rolling shaft at intervals.
3. The paper pick-up structure of the printer according to claim 2, wherein:
The paper picking wheel comprises a framework wheel and a wheel sleeve sleeved on the framework wheel;
The wheel sleeve is made of ethylene propylene rubber materials, and a tooth-shaped structure is arranged on the outer circumferential surface of the wheel sleeve.
4. A paper pick-up structure of a printer according to claim 3, wherein:
one side or two opposite sides of the paper picking wheel are provided with fixing pieces, and the fixing pieces are connected with the framework wheel and the wheel sleeve.
5. The paper pick-up structure of the printer according to claim 2, wherein:
the paper picking wheel is detachably connected with the rolling shaft.
6. The paper pick-up structure of the printer according to claim 5, wherein:
And limiting pieces are respectively arranged on two opposite sides of the plurality of paper picking wheels along the axial direction, and are sleeved on the rolling shafts.
7. The paper pick-up structure of the printer according to claim 2, wherein:
The pick-up roller further comprises a driving motor, wherein the driving motor is arranged on the outer side of the supporting frame and is in driving connection with the rolling shaft.
8. The paper pick-up structure of the printer according to claim 7, wherein:
The paper picking component further comprises a bearing plate which is connected with the sliding block, and the driving motor is arranged on the bearing plate.
9. The paper pick-up structure of the printer according to claim 2, wherein:
The bottom of the paper pick-up wheel is arranged at the same height as the bottom of the sliding block;
the bottom wall surface of the through groove is flush with the bottom surface of the paper storage cavity.
10. The paper pick-up structure of the printer according to claim 1, wherein:
The width of the through groove is matched with the width of the sliding block;
A sliding rod is arranged on the through groove, and the opposite ends of the sliding rod are respectively connected with the top wall surface and the bottom wall surface of the through groove; the spring is sleeved on the sliding rod;
The sliding block is provided with a through hole, and the sliding rod penetrates through the through hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322746417.XU CN220883822U (en) | 2023-10-13 | 2023-10-13 | Paper pick-up structure of printer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322746417.XU CN220883822U (en) | 2023-10-13 | 2023-10-13 | Paper pick-up structure of printer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220883822U true CN220883822U (en) | 2024-05-03 |
Family
ID=90840993
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322746417.XU Active CN220883822U (en) | 2023-10-13 | 2023-10-13 | Paper pick-up structure of printer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220883822U (en) |
-
2023
- 2023-10-13 CN CN202322746417.XU patent/CN220883822U/en active Active
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