CN219076808U

CN219076808U - Deviation correcting mechanism of stencil printer

Info

Publication number: CN219076808U
Application number: CN202223052002.4U
Authority: CN
Inventors: 郑宗连
Original assignee: Wuhan Shijikaiyuan Packaging Products Co ltd
Current assignee: Wuhan Shijikaiyuan Packaging Products Co ltd
Priority date: 2022-11-16
Filing date: 2022-11-16
Publication date: 2023-05-26
Anticipated expiration: 2032-11-16

Abstract

The utility model relates to a correction mechanism of a stencil printer, which comprises a stencil printer body, wherein a conveying frame is fixedly arranged at the input end of the stencil printer body, a conveyor belt is connected to the inner side of the conveying frame in a transmission way, a correction mechanism is arranged above the conveying frame, the correction mechanism comprises a fixed box, an infrared detection head is fixedly arranged below the fixed box, a servo motor is fixedly arranged on the side wall of the fixed box, a first screw rod is fixedly arranged on the output shaft of the servo motor, a second screw rod is fixedly arranged at one end of the first screw rod far away from the servo motor, both the outer sides of the first screw rod and the outer sides of the second screw rod are in threaded connection, a sliding block is fixedly arranged at the upper side of the guide block, and a connecting plate is fixedly arranged at the lower side of the guide block. The deviation correcting mechanism of the stencil printer realizes automatic deviation correction, prevents the deviation of the stencil, ensures the printing effect, further improves the printing yield and has good practicability.

Description

Deviation correcting mechanism of stencil printer

Technical Field

The utility model relates to the technical field of printing equipment, in particular to a correction mechanism of a stencil printer.

Background

The printing machine is a machine for printing characters and images, and the modern printing machine is generally composed of mechanisms of plate loading, inking, embossing, paper feeding and the like, and the working principle of the printing machine is that characters and images to be printed are firstly made into printing plates, then the printing plates are loaded on the printing machine, and then the printing plates are coated with the inks at the places with the characters and the images by manpower or the printing machine, and then the printing plates are directly or indirectly transferred on paper, so that the printed matter identical to the printing plates is copied.

The existing stencil printing equipment lacks deviation correcting device positioning, the stencil is easy to deviate, the printed characters or images deviate even partial absence of the stencil causes lower printing yield, the practicability is reduced, and based on the stencil printing equipment, the stencil printing equipment with the deviation correcting mechanism is provided to solve the problems.

Disclosure of Invention

Aiming at the defects of the prior art, the utility model provides a correction mechanism of a stencil printing machine, which has the advantages of deviation prevention and the like, and solves the problems that the existing stencil printing equipment is lack of correction device positioning, the stencil is easy to deviate, the characters or images are deviated during printing, and even part of the characters or images are missing, so that the printing yield is lower.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the correction mechanism of the stencil printer comprises a stencil printer body, wherein a conveying frame is fixedly arranged at the input end of the stencil printer body, a conveyor belt is connected with the inner side of the conveying frame in a transmission way, and the correction mechanism is arranged above the conveying frame;

the utility model discloses a correction mechanism, including the fixed box, the below fixed box fixed mounting has the infrared probe, fixed mounting has servo motor on the lateral wall of fixed box, fixed mounting has first screw rod on servo motor's the output shaft, the one end fixed mounting that servo motor was kept away from to first screw rod has the second screw rod, the equal threaded connection in the outside of first screw rod and second screw rod has the guide block, the upside fixed mounting of guide block has the slider, the downside fixed mounting of guide block has the connecting plate, the outside of connecting plate is fixedly connected with pressure sensor and pressure spring respectively, one side fixedly connected with correction board of connecting plate is kept away from to the pressure spring.

Further, the top fixedly connected with erection column of carriage, fixed box fixed mounting is to the top of erection column.

Further, the first screw is rotatably connected to the inside of the fixed box, and the first screw and the second screw are connected through a universal coupling.

Further, the one end interference fit that the first screw was kept away from to the second screw has the bearing, bearing fixed mounting is to the inner wall of fixed box.

Further, the two guide blocks are symmetrically distributed along the connecting point of the first screw rod and the second screw rod, and threads on the first screw rod and the second screw rod are mutually reversely arranged.

Further, a sliding groove is formed in the inner wall of the fixed box, and the sliding block is in clearance fit with the inner side of the sliding groove.

Further, the lower surface of the fixed box is provided with a movable opening, the movable opening is communicated with the inside of the fixed box, and the connecting plate is positioned at the inner side of the movable opening and extends to the lower side of the fixed box through the movable opening.

Further, when the pressure spring is in a natural state, the length of the pressure spring is longer than that of the pressure sensor.

Compared with the prior art, the utility model provides a correction mechanism of a stencil printer, which has the following beneficial effects:

this mechanism of rectifying of stencil printing machine detects the response through setting up infrared probe to the template, make servo motor can control two rectifying boards and be close to each other and rectify, can make servo motor control two rectifying boards keep away from the template after rectifying through the pressure sensor that sets up afterwards, realized automatic rectifying, prevented the template off tracking, ensured the printing effect, and then improved the yield of printing, have good practicality, solved current stencil printing equipment and lack deviation correcting device location, the template off tracking easily, the text or the image skew even partial missing when leading to the printing leads to the lower problem of yield of printing.

Drawings

FIG. 1 is a cross-sectional view of the structure of the present utility model;

FIG. 2 is a side cross-sectional view of the structure of the stationary box of the present utility model;

fig. 3 is an enlarged schematic view of the structure of fig. 1 a according to the present utility model.

In the figure: the template printing machine comprises a template printing machine body 1, a conveying frame 2, a conveying belt 3, a mounting column 4, a fixing box 5, an infrared detection head 6, a servo motor 7, a first screw rod 8, a second screw rod 9, a guide block 10, a slide block 11, a connecting plate 12, a pressure sensor 13, a pressure spring 14, a deviation correcting plate 15, a sliding chute 16 and a movable opening 17.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-3, a deviation rectifying mechanism of a stencil printer includes a stencil printer body 1, a conveying frame 2 is fixedly installed at an input end of the stencil printer body 1, and a conveyor belt 3 is connected with an inner side of the conveying frame 2 in a transmission manner.

It should be noted that, the transmission structure between the conveying frame 2 and the conveying belt 3 is the same as that of the belt conveyor, which is the prior art, so that the description is omitted.

In this embodiment, the top of carriage 2 is provided with the mechanism of rectifying, and the mechanism of rectifying includes fixed box 5, and the top fixedly connected with erection column 4 of carriage 2, fixed box 5 fixed mounting to the top of erection column 4, wherein, the quantity of erection column 4 is two, and is located the both sides department of conveyer belt 3 top respectively.

It should be noted that, infrared detection head 6 is fixedly installed below fixed box 5, servo motor 7 is fixedly installed on the lateral wall of fixed box 5, first screw rod 8 is fixedly installed on the output shaft of servo motor 7, first screw rod 8 rotates the inside of being connected to fixed box 5, first screw rod 8 is kept away from servo motor 7's one end fixed mounting and is had second screw rod 9.

Wherein, connect through universal joint between first screw rod 8 and the second screw rod 9, the one end interference fit that first screw rod 8 was kept away from to the second screw rod 9 has the bearing, and bearing fixed mounting is to on the inner wall of fixed box 5, makes first screw rod 8 and second screw rod 9 can keep stable rotation through the bearing that sets up, has made things convenient for the regulation.

It should be noted that, the outside of the first screw rod 8 and the second screw rod 9 are both screwed with the guide blocks 10, wherein, the two guide blocks 10 are symmetrically distributed along the connection point of the first screw rod 8 and the second screw rod 9, and the connection point of the first screw rod 8 and the second screw rod 9 is located on the same vertical line with the center point of the conveyor belt 3, so it can be understood that the two guide blocks 10 are symmetrically distributed along the center point of the conveyor belt 3.

Simultaneously, screw threads on first screw rod 8 and second screw rod 9 mutually reverse the setting, and the upside fixed mounting of guide block 10 has slider 11, wherein has seted up spout 16 on the inner wall of fixed box 5, and slider 11 and the inboard clearance fit of spout 16 make guide block 10 can keep stable removal under the guide of slider 11 and spout 16, have made things convenient for the regulation.

In this embodiment, the downside fixed mounting of guide block 10 has connecting plate 12, movable mouth 17 has been seted up to the lower surface of fixed box 5, and movable mouth 17 communicates with each other with the inside of fixed box 5, connecting plate 12 is located movable mouth 17's inboard, and extend to the downside of fixed box 5 through movable mouth 17, the setting of movable mouth 17 has made things convenient for connecting plate 12 to remove, the regulation has been made things convenient for, simultaneously the outside of connecting plate 12 is fixedly connected with pressure sensor 13 and pressure spring 14 respectively, when pressure spring 14 is the nature state, its length is greater than pressure sensor 13's length, and pressure spring 14 is kept away from one side fixedly connected with rectifying plate 15 of connecting plate 12.

It should be noted that, the number of the sliding blocks 11, the connecting plates 12, the pressure sensors 13, and the deviation correcting plates 15 is the same as the number of the guide blocks 10, the number of the pressure springs 14 is four, and the two deviation correcting plates 15 correspond to each other, and since the two guide blocks 10 are symmetrically distributed along the center point of the conveyor belt 3, the two connecting plates 12 and the deviation correcting plates 15 are also symmetrically distributed along the center point of the conveyor belt 3.

When the template printing machine is used, the template is conveyed on the conveyor belt 3, the template is conveyed into the template printing machine body 1, the template printing machine body 1 prints the template, in the conveying process, when the template passes through the lower part of the fixed box 5, the infrared detection head 6 detects the template, information is sent to the corresponding main controller, the servo motor 7 is controlled to operate, the servo motor is driven to drive the first screw rod 8 and the second screw rod 9 to rotate, the two guide blocks 10 are driven to move close to each other, the slide block 11, the connecting plate 12 and the deviation correcting plate 15 are driven to synchronously move, the two deviation correcting plates 15 are close to each other for deviation correction, at the moment, the two deviation correcting plates 15 are respectively abutted against two sides of the template, due to the fact that the two deviation correcting plates 15 cannot be continuously close to each other under the operation of the servo motor 7, the compression spring 14 is contracted, the pressure sensor 13 is contacted with the deviation correcting plates 15, the pressure sensor 13 detects the pressure to send information to the corresponding main controller, the servo motor is controlled to reverse, the two guide blocks 10 are driven to move away from each other, the two guide blocks 15 are further away from each other, and the template printing machine is finished after the two deviation correcting plates are driven to be separated from each other, and the template printing machine is finished immediately.

The beneficial effects of the embodiment are as follows:

this mechanism of rectifying of stencil printer detects the response through setting up infrared probe 6 to the template, makes servo motor 7 can control two boards 15 of rectifying and be close to each other and rectify to the template, can make servo motor 7 control two boards 15 of rectifying keep away from the template after rectifying the completion through the pressure sensor 13 that sets up afterwards, has realized automatic rectifying, has prevented the template off tracking, has ensured the printing effect, and then has improved the yield of printing, has good practicality.

The electrical components appearing herein are all electrically connected with the master controller and the power supply, the master controller can be a conventional known device for controlling a computer and the like, and the prior art of power connection is not described in detail herein.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a mechanism of rectifying of stencil printer, includes stencil printer body (1), fixed mounting has carriage (2) on the input of stencil printer body (1), the inboard transmission of carriage (2) is connected with conveyer belt (3), its characterized in that: a deviation correcting mechanism is arranged above the conveying frame (2);

the utility model provides a correction mechanism includes fixed case (5), the below fixed mounting of fixed case (5) has infrared probe (6), fixed mounting has servo motor (7) on the lateral wall of fixed case (5), fixed mounting has first screw rod (8) on the output shaft of servo motor (7), the one end fixed mounting that servo motor (7) was kept away from to first screw rod (8) has second screw rod (9), the equal threaded connection in the outside of first screw rod (8) and second screw rod (9) has guide block (10), the upside fixed mounting of guide block (10) has slider (11), the downside fixed mounting of guide block (10) has connecting plate (12), the outside of connecting plate (12) is fixedly connected with pressure sensor (13) and pressure spring (14) respectively, one side fixedly connected with correction board (15) that connecting plate (12) were kept away from to pressure spring (14).

2. The correction mechanism of a stencil printer of claim 1, wherein: the top fixedly connected with erection column (4) of carriage (2), fixed box (5) fixed mounting is to the top of erection column (4).

3. The correction mechanism of a stencil printer of claim 1, wherein: the first screw rod (8) is rotatably connected to the inside of the fixed box (5), and the first screw rod (8) and the second screw rod (9) are connected through a universal coupling.

4. The correction mechanism of a stencil printer of claim 1, wherein: the second screw rod (9) keep away from the one end interference fit of first screw rod (8) has the bearing, bearing fixed mounting is on the inner wall of fixed box (5).

5. The correction mechanism of a stencil printer of claim 1, wherein: the two guide blocks (10) are symmetrically distributed along the connecting point of the first screw rod (8) and the second screw rod (9), and threads on the first screw rod (8) and threads on the second screw rod (9) are mutually reversely arranged.

6. The correction mechanism of a stencil printer of claim 1, wherein: the inner wall of the fixed box (5) is provided with a sliding groove (16), and the sliding block (11) is in clearance fit with the inner side of the sliding groove (16).

7. The correction mechanism of a stencil printer of claim 1, wherein: the lower surface of the fixed box (5) is provided with a movable opening (17), the movable opening (17) is communicated with the inside of the fixed box (5), and the connecting plate (12) is positioned at the inner side of the movable opening (17) and extends to the lower side of the fixed box (5) through the movable opening (17).

8. The correction mechanism of a stencil printer of claim 1, wherein: when the pressure spring (14) is in a natural state, the length of the pressure spring is longer than that of the pressure sensor (13).