CN114229531A - Printer capable of detecting abrasion of paper twisting wheel - Google Patents

Printer capable of detecting abrasion of paper twisting wheel Download PDF

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Publication number
CN114229531A
CN114229531A CN202111402662.8A CN202111402662A CN114229531A CN 114229531 A CN114229531 A CN 114229531A CN 202111402662 A CN202111402662 A CN 202111402662A CN 114229531 A CN114229531 A CN 114229531A
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CN
China
Prior art keywords
paper
positive pressure
wheel
printing
block
Prior art date
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Withdrawn
Application number
CN202111402662.8A
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Chinese (zh)
Inventor
尹礼超
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Individual
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Individual
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Publication date
Application filed by Individual filed Critical Individual
Priority to CN202111402662.8A priority Critical patent/CN114229531A/en
Publication of CN114229531A publication Critical patent/CN114229531A/en
Withdrawn legal-status Critical Current

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H3/00—Separating articles from piles
    • B65H3/02—Separating articles from piles using friction forces between articles and separator
    • B65H3/06—Rollers or like rotary separators
    • B65H3/0661—Rollers or like rotary separators for separating inclined-stacked articles with separator rollers above the stack
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B08—CLEANING
    • B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B5/00—Cleaning by methods involving the use of air flow or gas flow
    • B08B5/04—Cleaning by suction, with or without auxiliary action
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B08—CLEANING
    • B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B6/00—Cleaning by electrostatic means
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H29/00—Delivering or advancing articles from machines; Advancing articles to or into piles
    • B65H29/20—Delivering or advancing articles from machines; Advancing articles to or into piles by contact with rotating friction members, e.g. rollers, brushes, or cylinders
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H3/00—Separating articles from piles
    • B65H3/66—Article guides or smoothers, e.g. movable in operation
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2301/00—Handling processes for sheets or webs
    • B65H2301/50—Auxiliary process performed during handling process
    • B65H2301/51—Modifying a characteristic of handled material
    • B65H2301/511—Processing surface of handled material upon transport or guiding thereof, e.g. cleaning
    • B65H2301/5115—Cleaning
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2301/00—Handling processes for sheets or webs
    • B65H2301/50—Auxiliary process performed during handling process
    • B65H2301/51—Modifying a characteristic of handled material
    • B65H2301/514—Modifying physical properties
    • B65H2301/5143—Warming
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2601/00—Problem to be solved or advantage achieved
    • B65H2601/20—Avoiding or preventing undesirable effects
    • B65H2601/25—Damages to handled material
    • B65H2601/253—Damages to handled material to particular parts of material
    • B65H2601/2531—Edges
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2701/00—Handled material; Storage means
    • B65H2701/10—Handled articles or webs
    • B65H2701/17—Nature of material
    • B65H2701/176—Cardboard

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Controlling Sheets Or Webs (AREA)

Abstract

The invention discloses a printer capable of detecting abrasion of a paper rolling wheel, which comprises a shell, wherein a printing cavity is arranged in the shell, and a paper inlet penetrating through the shell is formed in the right side wall of the printing cavity; according to the invention, the abrasion condition of the paper rolling wheel is judged by detecting the positive pressure on the paper rolling wheel when the friction force is unchanged, so that the current abrasion condition of the paper rolling wheel can be confirmed at any time to judge whether the paper rolling wheel needs to be replaced, crumpled paper is flattened by the flattening wheel which reciprocates, the printing quality is improved, paper scraps attached to the surface of the paper rolling wheel are adsorbed by static electricity generated in the flattening process, the friction force and the detection result of the paper rolling wheel are prevented from being influenced by the paper scraps, and the back surface of the printed paper can be heated by the heating plate arranged on the back surface of the printer, so that the heat on the two sides of the printer paper is uniformly distributed, and the curling phenomenon during paper outlet is reduced.

Description

Printer capable of detecting abrasion of paper twisting wheel
Technical Field
The invention relates to the technical field of printers, in particular to a printer capable of detecting abrasion of a paper pickup wheel.
Background
The printing paper can be divided into a paper feeding part, a printing part and the like, the paper feeding part mainly utilizes a paper rubbing wheel to convey paper, and the paper rubbing wheel is worn after long-time use. The rubbing wheel is generally fixed in the printer, and people cannot directly confirm the abrasion condition of the rubbing wheel, so that the rubbing wheel can be found to be seriously abraded and the rubbing wheel can be replaced only after obvious problems occur in paper feeding, paper scraps are easily attached to the rubbing wheel to influence the friction force of the rubbing wheel, and the rolling phenomenon of the edge of paper is often caused by thinner paper or damp paper in the paper discharging process of the printer to influence the use condition.
Disclosure of Invention
The invention aims to provide a printer capable of detecting abrasion of a paper rolling wheel, which is used for overcoming the defects in the prior art.
The printer capable of detecting the abrasion of the paper rolling wheel comprises a shell, wherein a printing cavity is arranged in the shell, a paper inlet penetrating through the shell is formed in the right side wall of the printing cavity, a paper outlet extending to the upper surface of the shell is formed in the left side wall of the printing cavity, a detection block is arranged on the top surface of the printing cavity, a positive pressure sliding chute with a downward opening is formed in the lower end surface of the detection block, a positive pressure sliding block is arranged in the positive pressure sliding chute in a sliding mode, a paper rolling wheel with a part extending into the positive pressure sliding chute is rotatably arranged on the inner wall of the printing cavity on the lower side of the positive pressure sliding block, and abrasion detection mechanisms capable of detecting the abrasion degree of the paper rolling wheel are arranged in the positive pressure sliding chute and the positive pressure sliding block; the paper rubbing wheel is arranged on the left side of the printing cavity inner wall, the printing mounting block is fixedly arranged on the printing cavity inner wall, the printing head is arranged on the lower end face of the printing mounting block, the printing mounting block is arranged on the left side of the printing mounting block, the paper outlet wheel is arranged on the printing cavity inner wall in a rotating mode, the electrostatic wheel is arranged on the printing mounting block in a rotating mode, the electrostatic wheel is arranged on the upper side of the electrostatic wheel and extends to the paper scrap recovery box on the upper surface of the shell, the smoothing motor is fixedly arranged on the printing cavity rear side inner wall on the right side of the paper rubbing wheel, the smoothing shaft is connected with the front end face of the smoothing motor in a driving mode, and the smoothing shaft is provided with an electrostatic smoothing mechanism capable of utilizing static electricity to be simple and clean for the paper rubbing wheel.
According to above-mentioned scheme, fixed cooling plate and the hot plate of being equipped with on the left side inner wall of exit slot, the hot plate sets up the cooling plate downside, this hot plate can make the heat distribution who beats printer paper both sides even, reduces the possibility of turn-up when going out paper.
According to the scheme, the abrasion detection mechanism comprises a friction chute which is arranged on the lower end surface of the positive pressure slide block and has a downward opening, a friction sliding block is arranged in the friction sliding chute in a sliding way, the lower end surface of the friction sliding block is contacted with the paper rolling wheel, a friction spring is fixedly arranged between the right end surface of the friction sliding block and the inner wall of the friction sliding chute, a contact switch is fixedly arranged on the right side wall of the friction sliding chute, a tension spring is fixedly arranged between the upper end surface of the positive pressure sliding block and the inner wall of the positive pressure sliding chute, a tension sensor is fixedly arranged on the inner wall of the positive pressure chute at the upper side of the tension spring, the tension spring is fixedly arranged on the lower end surface of the tension sensor, an electromagnet is fixedly arranged in the detection block at the upper side of the positive pressure sliding chute, a permanent magnet is fixedly arranged in the positive pressure sliding block, the abrasion detection mechanism can judge the abrasion condition of the paper rolling wheel through the positive pressure applied to the paper rolling wheel.
According to the scheme, the display screen is fixedly arranged on the right end face of the shell, the display screen can record and display the tension force applied to the tension sensor, and a user can conveniently confirm the current abrasion condition of the paper rolling wheel through the display screen.
According to the scheme, the static is smoothed the mechanism and is in including sliding the epaxial friction wheel that smooths, smooths and be equipped with on the friction wheel and smooths the spout, smooth in the spout smooth the axle fixed spline that is equipped with on the surface, the terminal surface around the spline with smooth and be equipped with two position symmetry's between the spout and smooth the spring, smooth fixed the electro-magnet that smooths that is equipped with two position symmetries on the lateral wall around the spout, this static is smoothed the mechanism and can be smoothed pincher printing paper to utilize the static of smoothing in-process production.
According to the scheme, the lower end face of the detection block on the right side of the positive pressure chute is provided with a right contact chute with a downward opening, the right contact chute is internally provided with a right contact slide bar in a sliding manner, the lower end face of the right contact slide bar is fixedly provided with a right contact ring block, the upper end face of the right contact ring block and the detection block are fixedly provided with a right contact spring, the upper end face of the right contact slide bar is connected with a lead, the lower end face of the wastepaper recovery box on the upper side of the electrostatic wheel is provided with a left contact chute with a downward opening, the left contact slide bar is slidably provided with a left contact slide bar in the left contact chute, the lower end face of the left contact slide bar is fixedly provided with a left contact ring block, the upper end face of the left contact ring block and the wastepaper recovery box are fixedly provided with a left contact spring, the other end of the lead is connected onto the left contact slide bar, and the wastepaper recovery box is internally provided with a wastepaper recovery cavity, the bottom surface of the paper scrap recovery cavity is provided with a recovery pipe extending into the printing cavity, the recovery pipe is fixedly provided with a fan, and the electrostatic wheel can recover paper scraps attached to the paper rolling wheel, so that the friction force of the paper rolling wheel is prevented from being influenced and the detection mechanism is prevented from being influenced.
According to the scheme, the hinged shaft is hinged to the right end face of the shell on the lower side of the paper inlet, and the hinged shaft is fixedly provided with the closing plate which can close the paper inlet and prevent dust from entering the paper inlet.
The invention has the beneficial effects that: according to the invention, the abrasion condition of the paper rolling wheel is judged by detecting the positive pressure on the paper rolling wheel when the friction force is unchanged, so that the current abrasion condition of the paper rolling wheel can be confirmed at any time to judge whether the paper rolling wheel needs to be replaced;
the paper flattening device has the advantages that crumpled paper is flattened by the aid of the reciprocating flattening wheel, printing quality is improved, paper scraps attached to the surface of the paper rolling wheel are adsorbed by static electricity generated in the flattening process, and the paper scraps are prevented from affecting friction force and detection results of the paper rolling wheel;
the invention can heat the back of the printing paper by utilizing the heating plate arranged on the back of the printing paper, so that the heat on the two sides of the printing paper is uniformly distributed, and the edge curling phenomenon during paper discharging is reduced.
Drawings
FIG. 1 is a schematic external view of the present invention;
FIG. 2 is a schematic view of the overall structure of a printer capable of detecting wear of a pickup roller according to the present invention;
FIG. 3 is a block diagram of the positive pressure chute of FIG. 2 according to the present invention;
FIG. 4 is a schematic view of A-A of FIG. 2 in accordance with the present invention;
fig. 5 is a structural view of the electrostatic wheel of fig. 2 according to the present invention.
Detailed Description
For purposes of making the objects and advantages of the present invention more apparent, the following detailed description of the invention, taken in conjunction with the examples, should be understood that the following text is intended only to describe one particular embodiment or several particular forms of the invention, without strictly limiting the scope of protection specifically claimed, as used herein, the terms upper, lower, left and right are not limited to their strict geometric definition, but include tolerances for reasonable and inconsistent machining or human error, the following detailed description of which is specific to the particular features of the printer that detect the wear of the pickup roller:
referring to fig. 1 to 5, a printer capable of detecting wear of a pickup roller according to an embodiment of the present invention includes a housing 11, a printing cavity 15 is arranged in the shell 11, a paper inlet 31 penetrating through the shell 11 is arranged on the right side wall of the printing cavity 15, the left side wall of the printing chamber 15 is provided with a paper outlet 12 extending to the upper surface of the housing 11, the top surface of the printing cavity 15 is provided with a detection block 23, the lower end surface of the detection block 23 is provided with a positive pressure chute 24 with a downward opening, a positive pressure slide block 38 is arranged in the positive pressure chute 24 in a sliding way, a paper rolling wheel 34 extending into the positive pressure chute 24 is arranged on the inner wall of the printing cavity 15 at the lower side of the positive pressure slide block 38 in a rotating way, a wear detection mechanism 55 capable of detecting the wear degree of the paper pickup wheel 34 is arranged in the positive pressure chute 24 and the positive pressure slide block 38; the paper rubbing device is characterized in that a printing installation block 21 is fixedly arranged on the inner wall of the printing cavity 15 on the left side of the paper rubbing wheel 34, a printing head 22 is arranged on the lower end face of the printing installation block 21, a paper outlet wheel 20 is rotatably arranged on the inner wall of the printing cavity 15 on the left side of the printing installation block 21, a static wheel 54 is rotatably arranged on the inner wall of the printing cavity 15 on the upper side of the printing installation block 21, a paper scrap recovery box 16 extending to the upper surface of the shell 11 is arranged on the upper side of the static wheel 54, a smoothing motor 44 is fixedly arranged on the inner wall of the rear side of the printing cavity 15 on the right side of the paper rubbing wheel 34, a smoothing shaft 45 is connected with the front end face of the smoothing motor 44 in a driving mode, and a static smoothing mechanism 56 capable of utilizing static electricity to simply clean the paper rubbing wheel 34 is arranged on the smoothing shaft 45.
Illustratively, a cooling plate 13 and a heating plate 14 are fixedly arranged on the left inner wall of the paper outlet 12, the heating plate 14 is arranged on the lower side of the cooling plate 13, when the heating plate 14 is started, the heating plate 14 can heat the reverse side of printing, so that the heat on both sides of the paper is balanced, and when the cooling plate 13 is started, the cooling plate 13 can cool the paper.
Illustratively, the wear detection mechanism 55 includes a friction sliding chute 41 disposed on the lower end surface of the positive pressure sliding block 38 and having a downward opening, a friction sliding block 40 is slidably disposed in the friction sliding chute 41, the lower end surface of the friction sliding block 40 contacts with the paper pickup roller 34, a friction spring 43 is fixedly disposed between the right end surface of the friction sliding block 40 and the inner wall of the friction sliding chute 41, a contact switch 42 is fixedly disposed on the right side wall of the friction sliding chute 41, a tension spring 37 is fixedly disposed between the upper end surface of the positive pressure sliding block 38 and the inner wall of the positive pressure sliding chute 24, a tension sensor 36 is fixedly disposed on the inner wall of the positive pressure sliding chute 24 above the tension spring 37, the tension spring 37 is fixedly disposed on the lower end surface of the tension sensor 36, an electromagnet 35 is fixedly disposed in the detection block 23 above the positive pressure sliding chute 24, a permanent magnet 39 is fixedly disposed in the positive pressure sliding block 38, when the pickup roller 34 rotates, the friction slider 40 slides rightwards due to the friction force of the pickup roller 34, so that the friction slider 40 contacts the contact switch 42, when the pickup roller 34 is worn, the friction force of the pickup roller 34 is insufficient, the friction slider 40 moves leftwards under the action of the friction spring 43, so that the contact switch 42 is separated from the friction slider 40, at this time, the contact switch 42 controls the power of the electromagnet 35 to gradually rise, then the positive pressure slider 38 gradually falls under the action of the permanent magnet 39 and the tension spring 37, so that the positive pressure between the friction slider 40 and the pickup roller 34 continuously rises, and further the friction force between the friction slider 40 and the pickup roller 34 rises, until the friction slider 40 contacts the contact switch 42 again, the power of the electromagnet 35 does not rise any more.
Illustratively, a display screen 26 is fixedly arranged on the right end face of the housing 11, the display screen 26 can record and display that the tension sensor 36 is subjected to tension, when the positive pressure slider 38 moves downwards, the tension spring 37 stretches, and the tension sensor 36 is subjected to the tension of the tension spring 37, that is, the greater the wear of the pickup roller 34, the greater the tension force that the tension sensor 36 is subjected to.
Illustratively, the static flattening mechanism 56 includes a flattening friction wheel 30 slidably disposed on the flattening shaft 45, a smoothing sliding groove 47 is arranged on the smoothing friction wheel 30, a spline 49 is fixedly arranged on the surface of the smoothing shaft 45 in the smoothing sliding groove 47, two symmetrically-arranged smoothing springs 48 are arranged between the front end surface and the rear end surface of the spline 49 and the smoothing sliding groove 47, two leveling electromagnets 46 with symmetrical positions are fixedly arranged on the front side wall and the rear side wall of the leveling sliding groove 47, when the smoothing motor 44 is started, the smoothing motor 44 drives the smoothing friction wheel 30 to rotate through the smoothing shaft 45 and the spline 49, while the smoothing friction wheel 30 rotates, the front and rear smoothing electromagnets 46 will be alternately activated, so that the spline 49 and the smoothing electromagnets 46 are attracted to each other, that is, the smoothing friction wheel 30 repeatedly slides in the front-rear direction while the smoothing friction wheel 30 rotates.
Illustratively, a right contact sliding chute 57 with a downward opening is arranged on the lower end surface of the detection block 23 on the right side of the positive pressure sliding chute 24, a right contact sliding rod 28 is arranged in the right contact sliding chute 57 in a sliding manner, a right contact ring block 29 is fixedly arranged on the lower end surface of the right contact sliding rod 28, a right contact spring 27 is fixedly arranged between the upper end surface of the right contact ring block 29 and the detection block 23, a lead 25 is connected to the upper end surface of the right contact sliding rod 28, a left contact sliding chute 50 with a downward opening is arranged on the lower end surface of the wastepaper recovery box 16 on the upper side of the electrostatic wheel 54, a left contact sliding rod 51 is arranged in the left contact sliding chute 50 in a sliding manner, a left contact ring block 53 is fixedly arranged on the lower end surface of the left contact sliding rod 51, a left contact spring 52 is fixedly arranged between the upper end surface of the left contact ring block 53 and the wastepaper recovery box 16, and the other end of the lead 25 is connected to the left contact sliding rod 51, the paper scrap recovery box 16 is internally provided with a paper scrap recovery cavity 17, the bottom surface of the paper scrap recovery cavity 17 is provided with a recovery tube 19 extending into the printing cavity 15, a fan 18 is fixedly arranged on the recovery tube 19, when the smoothing friction wheel 30 slides back and forth, the smoothing friction wheel 30 can smooth wrinkles on printing paper, and when the smoothing friction wheel 30 slides, the smoothing friction wheel 30 can repeatedly rub against the printing paper, so that static electricity is generated between the smoothing friction wheel 30 and the printing paper, the static electricity can be transmitted to the left contact slide rod 51 through the right contact ring block 29, the right contact slide rod 28 and the lead 25, the left contact slide rod 51 is transmitted to the static wheel 54 through the left contact ring block 53, so that the static wheel 54 attracts paper scrap attached to the surface of the paper rubbing wheel 34, then the fan 18 is started, and the fan 18 sucks the paper scrap adsorbed on the static wheel 54 into the paper scrap recovery cavity 17 through the recovery tube 19.
Illustratively, a hinge shaft 32 is hinged on the right end surface of the shell 11 at the lower side of the paper feeding port 31, a closing plate 33 is fixedly arranged on the hinge shaft 32, and when the paper feeding port is not used, the closing plate 33 can be turned up, so that the closing plate 33 blocks the paper feeding port 31.
The invention relates to a printer capable of detecting abrasion of a pickup roller, which comprises the following working procedures:
printing paper is put into the printing cavity 15 through the paper inlet 31, at the moment, the smoothing motor 44 is started, the smoothing motor 44 drives the smoothing friction wheel 30 to rotate through the smoothing shaft 45 and the spline 49, the front smoothing electromagnet 46 and the rear smoothing electromagnet 46 are alternately started while the smoothing friction wheel 30 rotates, so that the spline 49 and the smoothing electromagnet 46 are mutually attracted, namely, the smoothing friction wheel 30 repeatedly slides in the front-back direction while the smoothing friction wheel 30 rotates, when the smoothing friction wheel 30 slides in the front-back direction, the smoothing friction wheel 30 can smooth wrinkles on the printing paper, and when the smoothing friction wheel 30 slides in the front-back direction, the smoothing friction wheel 30 can repeatedly rub on the printing paper, so that static electricity is generated between the smoothing friction wheel 30 and the printing paper, the static electricity can be transferred to the left contact slide rod 51 through the right contact ring block 29, the right contact slide rod 28 and the lead 25, the left contact slide rod 51 is transferred to the static wheel 54 through the left contact ring block 53, then when the printing paper contacts the paper rubbing wheel 34, the paper rubbing wheel 34 rubs out a piece of printing paper, moves the piece of printing paper to the lower side of the printing head 22 for printing, then moves the piece of printing paper into the paper outlet 12 through the paper outlet wheel 20, at this time, the heating plate 14 is started, the heating plate 14 can heat the opposite side of the printing, so that the heat quantity of the two sides of the paper is balanced, the phenomenon of edge curling caused by the unbalanced heat quantity of the two sides is prevented when the paper is discharged, then the cooling plate 13 is started, the cooling plate 13 cools the paper to finish one-time printing, in the paper rubbing process of the paper rubbing wheel 34, the static electricity attached on the static wheel 54 can attract the paper scraps attached on the surface of the paper rubbing wheel 34, the paper rubbing wheel 34 can be prevented from slipping by the paper scraps or the precision when the abrasion condition of the paper rubbing wheel 34 is detected is influenced, then the fan 18 is started, the fan 18 sucks the paper scraps adsorbed on the static wheel 54 into the paper scrap recovery cavity 17 through the recovery tube 19, so as to conveniently and intensively recycle the paper scraps;
when the pickup roller 34 rotates, the friction slider 40 slides rightwards due to the friction force of the pickup roller 34, so that the friction slider 40 contacts the contact switch 42, when the pickup roller 34 is worn, the friction coefficient of the pickup roller 34 decreases, the friction slider 40 moves leftwards under the action of the friction spring 43, so that the contact switch 42 is separated from the friction slider 40, at this time, the contact switch 42 controls the power of the electromagnet 35 to gradually increase, then the positive pressure slider 38 gradually decreases under the action of the permanent magnet 39 and the tension spring 37, so that the positive pressure between the friction slider 40 and the pickup roller 34 continuously increases, further the friction force between the friction slider 40 and the pickup roller 34 increases, until the friction slider 40 contacts the contact switch 42 again, the power of the electromagnet 35 does not increase, the tension spring 37 stretches while the positive pressure slider 38 moves downwards, at this time, the tension sensor 36 receives the tension force of the tension spring 37 to increase, the display screen 26 can record and display the tension applied to the tension sensor 36, so that the wear degree of the pickup roller 34 can be judged according to the tension applied to the tension sensor 36, and a user can conveniently confirm the use condition of the pickup roller 34 to confirm whether the pickup roller needs to be replaced.
The above description is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above embodiments, and all technical solutions belonging to the idea of the present invention belong to the protection scope of the present invention. It should be noted that modifications and embellishments within the scope of the invention may occur to those skilled in the art without departing from the principle of the invention, and are considered to be within the scope of the invention.

Claims (7)

1. A printer capable of detecting wear of a pickup roller comprises a shell (11), and is characterized in that: a printing cavity (15) is arranged in the shell (11), a paper feed port (31) penetrating through the shell (11) is arranged on the right side wall of the printing cavity (15), the left side wall of the printing cavity (15) is provided with a paper outlet (12) extending to the upper surface of the shell (11), a detection block (23) is arranged on the top surface of the printing cavity (15), a positive pressure chute (24) with a downward opening is arranged on the lower end surface of the detection block (23), a positive pressure slide block (38) is arranged in the positive pressure chute (24) in a sliding way, a paper rolling wheel (34) with a part extending into the positive pressure chute (24) is rotatably arranged on the inner wall of the printing cavity (15) at the lower side of the positive pressure slide block (38), a wear detection mechanism (55) capable of detecting the wear degree of the paper twisting wheel (34) is arranged in the positive pressure chute (24) and the positive pressure slide block (38);
a printing mounting block (21) is fixedly arranged on the inner wall of the printing cavity (15) on the left side of the paper rolling wheel (34), a printing head (22) is arranged on the lower end surface of the printing mounting block (21), a paper outlet wheel (20) is rotatably arranged on the inner wall of the printing cavity (15) on the left side of the printing mounting block (21), an electrostatic wheel (54) is rotatably arranged on the inner wall of the printing cavity (15) at the upper side of the printing mounting block (21), a paper scrap recovery box (16) extending to the upper surface of the shell (11) is arranged on the upper side of the electrostatic wheel (54), a smoothing motor (44) is fixedly arranged on the inner wall of the rear side of the printing cavity (15) on the right side of the paper rolling wheel (34), the front end surface of the smoothing motor (44) is connected with a smoothing shaft (45) in a driving way, the smoothing shaft (45) is provided with an electrostatic smoothing mechanism (56) which can simply clean the paper rolling wheel (34) by utilizing static electricity.
2. A printer according to claim 1, wherein the printer is adapted to detect wear of the pickup roller, and wherein: fixed cooling plate (13) and hot plate (14) of being equipped with on the left side inner wall of exit slot (12), hot plate (14) set up cooling plate (13) downside.
3. A printer according to claim 2, wherein the printer is adapted to detect wear of the pickup roller, and wherein: the abrasion detection mechanism (55) comprises a friction sliding groove (41) which is arranged on the lower end face of the positive pressure sliding block (38) and has a downward opening, a friction sliding block (40) is arranged in the friction sliding groove (41) in a sliding manner, the lower end face of the friction sliding block (40) is in contact with the paper rolling wheel (34), a friction spring (43) is fixedly arranged between the right end face of the friction sliding block (40) and the inner wall of the friction sliding groove (41), a contact switch (42) is fixedly arranged on the right side wall of the friction sliding groove (41), a tension spring (37) is fixedly arranged between the upper end face of the positive pressure sliding block (38) and the inner wall of the positive pressure sliding groove (24), a tension sensor (36) is fixedly arranged on the inner wall of the positive pressure sliding groove (24) on the upper side of the tension spring (37), and the tension spring (37) is fixedly arranged on the lower end face of the tension sensor (36), an electromagnet (35) is fixedly arranged in the detection block (23) on the upper side of the positive pressure sliding chute (24), and a permanent magnet (39) is fixedly arranged in the positive pressure sliding block (38).
4. A printer according to claim 3, wherein the printer is adapted to detect wear of the pickup roller, and wherein: the right end face of the shell (11) is fixedly provided with a display screen (26), and the display screen (26) can record and display the tension force applied to the tension sensor (36).
5. A printer according to claim 3, wherein the printer is adapted to detect wear of the pickup roller, and wherein: the static smooths mechanism (56) and sets up including sliding smooth friction wheel (30) on smoothing axle (45), smooth and be equipped with on friction wheel (30) and smooth spout (47), smooth in spout (47) smooth axle (45) fixed on the surface and be equipped with spline (49), the terminal surface around spline (49) with smooth and be equipped with two position symmetry's smooth spring (48) between spout (47), smooth fixed smooth electro-magnet (46) that are equipped with two position symmetries on the lateral wall around spout (47).
6. The printer of claim 5, wherein the printer is capable of detecting wear of the pickup roller, and the printer further comprises: the lower end face of the detection block (23) on the right side of the positive pressure sliding groove (24) is provided with a right contact sliding groove (57) with a downward opening, a right contact sliding rod (28) is arranged in the right contact sliding groove (57) in a sliding manner, a right contact ring block (29) is fixedly arranged on the lower end face of the right contact sliding rod (28), a right contact spring (27) is fixedly arranged between the right contact sliding groove (57) and the detection block (23), the upper end face of the right contact sliding rod (28) is connected with a lead (25), the lower end face of the wastepaper recovery box (16) on the upper side of the static wheel (54) is provided with a left contact sliding groove (50) with a downward opening, a left contact sliding rod (51) is arranged in the left contact sliding groove (50) in a sliding manner, a left contact ring block (53) is fixedly arranged on the lower end face of the left contact sliding rod (51), a left contact spring (52) is fixedly arranged between the upper end face of the left contact ring block (53) and the wastepaper recovery box (16), the other end of the wire (25) is connected to the left contact sliding rod (51), a paper scrap recovery cavity (17) is formed in the paper scrap recovery box (16), a recovery pipe (19) extending into the printing cavity (15) is arranged on the bottom surface of the paper scrap recovery cavity (17), and a fan (18) is fixedly arranged on the recovery pipe (19).
7. A printer according to claim 1, wherein the printer is adapted to detect wear of the pickup roller, and wherein: the paper feeding device is characterized in that a hinge shaft (32) is hinged to the right end face of the shell (11) on the lower side of the paper feeding port (31), and a closing plate (33) is fixedly arranged on the hinge shaft (32).
CN202111402662.8A 2021-11-24 2021-11-24 Printer capable of detecting abrasion of paper twisting wheel Withdrawn CN114229531A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202111402662.8A CN114229531A (en) 2021-11-24 2021-11-24 Printer capable of detecting abrasion of paper twisting wheel

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202111402662.8A CN114229531A (en) 2021-11-24 2021-11-24 Printer capable of detecting abrasion of paper twisting wheel

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CN114229531A true CN114229531A (en) 2022-03-25

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CN202111402662.8A Withdrawn CN114229531A (en) 2021-11-24 2021-11-24 Printer capable of detecting abrasion of paper twisting wheel

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117445563A (en) * 2023-12-22 2024-01-26 恒科科技产业有限公司 Printing equipment diagnosis device and method

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117445563A (en) * 2023-12-22 2024-01-26 恒科科技产业有限公司 Printing equipment diagnosis device and method
CN117445563B (en) * 2023-12-22 2024-03-05 恒科科技产业有限公司 Printing equipment diagnosis device and method

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Application publication date: 20220325