CN221026558U

CN221026558U - Feed end calibrating mechanism

Info

Publication number: CN221026558U
Application number: CN202323001839.0U
Authority: CN
Inventors: 赵明
Original assignee: Huizhou Jili Cultural Communication Co ltd
Current assignee: Huizhou Jili Cultural Communication Co ltd
Priority date: 2023-11-07
Filing date: 2023-11-07
Publication date: 2024-05-28
Anticipated expiration: 2033-11-07

Abstract

The utility model relates to the technical field of paperboard printing, in particular to a feeding end calibration mechanism. Comprises a frame; a conveyor belt is arranged on the frame; a guide device is arranged on the conveyor belt; a space adjusting component is arranged between the two mounting frames; the support assemblies are arranged at one end, close to the printing machine of the paperboard, of the mounting frame, and the calibration assemblies are arranged at one end, far away from the printing machine of the paperboard; the supporting assembly comprises a supporting belt and a supporting power structure, and the calibrating assembly comprises a calibrating belt and a calibrating power structure. When the paper board inclines, the calibration power structure drives the movement direction of the calibration belt on the corresponding side of the advancing end of the paper board to be the same as the movement direction of the conveyor belt, so as to provide deflection force with a preset angle with the advancing direction of the paper board, and the deflection force drives the paper board to deflect on the conveyor belt for correction, so that the side edge of the paper board is parallel to the supporting belt when the paper board enters between the two supporting belts.

Description

Feed end calibrating mechanism

Technical Field

The utility model relates to the technical field of paperboard printing, in particular to a feeding end calibration mechanism.

Background

Printing is a technique of transferring ink onto surfaces of materials such as paper, textile, plastic, leather, etc. by performing plate making, inking, pressurizing, etc. on original documents such as letters, pictures, photographs, anti-counterfeiting, etc., and copying the original document contents in batches. However, the conventional paperboard printing and manufacturing process is complicated, and problems of paperboard offset and inaccurate printing points often occur in the manufacturing process.

In the prior art, for example, CN212863300U, the name is a chinese patent of a feeding end positioning and calibrating device for printing paper board, the disclosure technical scheme records that, through fixedly installing the calibrating plate on the upper portion of the conveyor belt, and movably installing the roller in the calibrating plate, two S-shaped calibrating plates installed symmetrically calibrate the trend of the paper board on the upper portion of the conveyor belt, but when the paper board is inclined to enter the wider place of the calibrating plate, one corner of the front end of the paper board is abutted against the calibrating plate on the corresponding side, the paper board is driven by the conveyor belt to continue to advance, and the calibrating plate abutted against the paper board provides resistance opposite to the advancing direction of the paper board, so that the paper board deflects towards the direction of the abutted calibrating plate, and therefore the paper board may be clamped at the entrance of the calibrating plate, and the printing efficiency of the paper board is affected.

Disclosure of utility model

The present utility model provides a feeding end calibration mechanism to solve the above-mentioned problems.

The utility model adopts the following technical scheme: a feed end calibration mechanism comprising a frame; the frame is arranged at the feeding end of the paperboard printer; the frame is provided with a first direction and a second direction; the first direction and the second direction are vertically arranged; the frame is provided with a conveyor belt arranged along a first direction; a guide device is arranged on the conveyor belt;

The guide device comprises two mounting frames symmetrically arranged along the second direction; the mounting frame is slidably mounted on the frame along a second direction; a space adjusting component is arranged between the two mounting frames; the interval adjusting assembly is used for adjusting the interval between the two mounting frames so as to adapt to paperboards with different specifications and widths;

The support assemblies are arranged at one end, close to the printing machine of the paperboard, of the mounting frame, and the calibration assemblies are arranged at one end, far away from the printing machine of the paperboard; the supporting assembly comprises a supporting belt and a supporting power structure; the supporting belt is rotatably arranged on the mounting frame along the first direction; the supporting power structure is used for driving the supporting belt to rotate, and the moving direction of one side of the supporting belt, which is close to the paperboard, is the same as the moving direction of the conveying belt; the calibration assembly comprises a calibration belt and a calibration power structure; the calibration belts are obliquely arranged along a first direction, and the calibration belts of the two calibration assemblies are in a V shape with the small ends facing the printer of the paperboard; the calibration power structure is used for driving the movement direction of the side, corresponding to the advancing end, of the calibration belt close to the paperboard to be the same as the movement direction of the conveyor belt when the paperboard is inclined, so that a deflection force which forms a preset angle with the advancing direction of the paperboard is provided for the paperboard, the deflection force drives the paperboard to deflect on the conveyor belt to be corrected, and the side edges of the paperboard are parallel to the supporting belts when the paperboard enters between the two supporting belts.

Further, the calibration power structure comprises a proximity switch and a calibration rotating shaft; the proximity switches are uniformly distributed in a plurality along a first direction and fixed on the corresponding mounting frames; the distance between the proximity switches of the two mounting frames is the same as the distance between the two supporting belts; the two calibration rotating shafts are rotatably arranged on the mounting frame; the calibration belt is sleeved outside the two calibration rotating shafts; a calibration motor is fixed on the mounting frame; the calibration motor is a servo motor; the output shaft of the calibration motor is fixedly connected with one of the calibration rotating shafts. When the paper board is shifted to the lower part of the proximity switch, the proximity switch controls the corresponding calibration belt to rotate.

Further, the supporting power structure comprises a supporting rotating shaft; the two supporting rotating shafts are rotatably arranged on the mounting frame; the supporting belt is sleeved outside the two supporting rotating shafts; a supporting motor is fixed on the mounting frame; the output shaft of the supporting motor is fixedly connected with one supporting rotating shaft.

Further, the supporting belt is an elastic belt; an auxiliary component is arranged in the supporting belt; the auxiliary assembly comprises a plurality of groups of auxiliary wheels distributed along a first direction; each group of auxiliary wheels comprises two auxiliary wheels which are symmetrical along the second direction; the auxiliary wheel is arranged in the supporting belt; the diameter of the auxiliary wheel is the same as that of the supporting rotating shaft; auxiliary bulges are arranged on the side walls of the auxiliary wheels; the auxiliary wheel is rotationally arranged on the mounting frame; an auxiliary motor is arranged at the end part of the auxiliary wheel; the auxiliary motor is fixed on the mounting frame, and the output shaft is fixedly connected with the auxiliary wheel; the auxiliary wheels in the same group rotate in opposite directions, and the auxiliary protrusions clamp and push the paper boards to the printer at the same time, so that the paper boards are prevented from shifting in the conveying process.

Further, the spacing adjusting assembly comprises a bidirectional screw rod; threads with opposite spiral directions are arranged at two ends of the bidirectional screw rod; the bidirectional screw rod is rotatably arranged on the frame, and the end part of the bidirectional screw rod is provided with an adjusting motor; the mounting frame is in threaded fit with the bidirectional screw rod.

Further, the alignment belt and the support belt surfaces are provided with friction protrusions.

The beneficial effects of the utility model are as follows: when the paper board inclines, the calibration power structure drives the movement direction of the calibration belt on the corresponding side of the advancing end of the paper board to be the same as the movement direction of the conveyor belt, so that a deflection force with a preset angle with the advancing direction of the paper board is provided for the paper board, the deflection force drives the paper board to deflect on the conveyor belt for correction, the side edge of the paper board is parallel to the supporting belt when the paper board enters between the two supporting belts, and the accuracy of paper board printing is improved.

Drawings

In order to more clearly illustrate the embodiments of the utility model or the technical solutions of the prior art, the drawings which are used in the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the description below are only some embodiments of the utility model, and that other drawings can be obtained according to these drawings without inventive faculty for a person skilled in the art.

FIG. 1 is a schematic view of an embodiment of a feed end calibration mechanism according to the present utility model;

FIG. 2 is a top view of an embodiment of the present utility model;

FIG. 3 is a schematic view of a frame according to an embodiment of the utility model;

FIG. 4 is a schematic view of a guide device according to an embodiment of the present utility model;

Fig. 5 is a state diagram between a calibration belt and offset cardboard of an embodiment of the utility model.

In the figure: 100. a frame; 200. a conveyor belt; 300. a paperboard; 400. a guide device; 410. a mounting frame; 421. a two-way screw rod; 431. supporting the belt; 432. supporting the motor; 441. calibrating the belt; 442. a proximity switch; 443. calibrating a motor; 451. an auxiliary wheel; 452. an auxiliary motor.

Detailed Description

Reference will now be made in detail to the present embodiments of the present utility model, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the like or similar elements throughout or elements having the same or similar functions. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the utility model. 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.

The features of the utility model "first", "second" and the like in the description and in the claims may be used for the explicit or implicit inclusion of one or more such features. In the description of the present utility model, unless otherwise indicated, the meaning of "a plurality" is two or more.

In the description of the present utility model, it should be understood that the terms "center", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

An embodiment of a feed end calibration mechanism of the present utility model is shown in fig. 1-5: a feed end calibration mechanism comprising a frame 100; the frame 100 is mounted at the feed end of the printer of the cardboard 300; the frame 100 is provided with a front-rear direction and a left-right direction; the front-back direction and the left-right direction are vertically arranged; the frame 100 is provided with a conveyor belt 200 arranged along the front-rear direction; the conveyor belt 200 is provided with a guide 400;

The guide 400 includes two mounting frames 410 symmetrically disposed in the left-right direction; the mounting frame 410 is slidably mounted on the frame 100 in the left-right direction; a spacing adjusting component is arranged between the two mounting frames 410; the spacing adjustment assembly is used for adjusting the spacing between the two mounting frames 410 to accommodate the paperboards 300 with different specification widths; the spacing adjustment assembly includes a bi-directional lead screw 421; threads with opposite spiral directions are arranged at two ends of the bidirectional screw rod 421; the bidirectional screw 421 is rotatably installed on the frame 100, and an adjusting motor is arranged at the end part; the mounting frame 410 is in threaded engagement with the bi-directional screw 421.

The end of the mounting frame 410, which is close to the printer of the paperboard 300, is provided with a supporting component, and the end of the mounting frame, which is far away from the printer of the paperboard 300, is provided with a calibrating component; the supporting component comprises a supporting belt 431 and a supporting power structure; the supporting belt 431 is rotatably installed on the installation frame 410 in a front-rear direction; the supporting belt 431 is an elastic belt; an auxiliary component is arranged in the supporting belt 431; the auxiliary assembly includes a plurality of sets of auxiliary wheels 451 distributed in the front-rear direction; each group of auxiliary wheels 451 includes two auxiliary wheels 451 symmetrical in the left-right direction; the auxiliary wheel 451 is arranged in the supporting belt 431; the diameter of the auxiliary wheel 451 is the same as the diameter of the supporting rotating shaft; auxiliary protrusions are arranged on the side walls of the auxiliary wheels 451; the auxiliary wheel 451 is rotatably mounted on the mounting frame 410; an auxiliary motor 452 is arranged at the end part of the auxiliary wheel 451; the auxiliary motor 452 is fixed on the mounting frame 410, and the output shaft is fixedly connected with the auxiliary wheel 451; the auxiliary wheels 451 of the same set rotate in opposite directions and cause the auxiliary protrusions to simultaneously grip and push the sheet 300 toward the printer, preventing the sheet 300 from being shifted during the conveyance.

The supporting power structure is used for driving the supporting belt 431 to rotate, and the moving direction of one side of the supporting belt 431 close to the paperboard 300 is the same as the moving direction of the conveyor belt 200; the supporting power structure comprises a supporting rotating shaft; two supporting rotating shafts are arranged and rotatably mounted on the mounting frame 410; the supporting belt 431 is sleeved outside the two supporting rotating shafts; a supporting motor 432 is fixed on the mounting frame 410; the output shaft of the supporting motor 432 is fixedly connected with one of the supporting rotating shafts.

The calibration assembly includes a calibration belt 441, a calibration power structure; the alignment belt 441 is disposed obliquely in the front-rear direction, and the alignment belts 441 of the two alignment assemblies are V-shaped with their small ends facing the printer of the board 300; the surfaces of the alignment belt 441 and the holding belt 431 are provided with friction protrusions. The alignment power structure is used for driving the alignment belt 441 on the corresponding side of the advancing end of the cardboard 300 to move closer to one side of the cardboard 300 and the moving direction of the conveyor belt 200 to be the same when the cardboard 300 is inclined, so as to provide a deflection force with a preset angle with the advancing direction for the cardboard 300, and the deflection force drives the cardboard 300 to deflect on the conveyor belt 200 for alignment, so that the side edge and the supporting belt 431 are parallel when the cardboard 300 enters between the two supporting belts 431. The calibration power structure comprises a proximity switch 442 and a calibration rotating shaft; the proximity switches 442 are uniformly distributed in the front-rear direction and fixed on the corresponding mounting frame 410; the distance between the proximity switches 442 of the two mounting frames 410 is the same as the distance between the two supporting belts 431; two calibration rotating shafts are arranged and rotatably mounted on the mounting frame 410; the calibration belt 441 is sleeved outside the two calibration rotating shafts; a calibration motor 443 is fixed on the mounting frame 410; the calibration motor 443 is a servo motor; the output shaft of the calibrating motor 443 is fixedly connected with one of the calibrating rotating shafts. In use, when the sheet 300 is deflected below the proximity switch 442, the proximity switch 442 controls the corresponding calibration belt 441 to rotate such that the calibration belt 441 provides a deflection force to the sheet 300 at a predetermined angle to the direction of travel thereof.

In combination with the above embodiment, the use principle and working process of the present utility model are as follows: in use, when the sheet 300 is deflected below the proximity switch 442, the proximity switch 442 controls the corresponding calibration belt 441 to rotate such that the calibration belt 441 provides a deflection force to the sheet 300 at a predetermined angle to the direction of travel thereof. The deflection force drives the paper board 300 to deflect on the conveyor belt 200 to be corrected, so that the side edges of the paper board 300 are parallel to the supporting belts 431 when the paper board 300 enters between the two supporting belts 431, meanwhile, the rotation directions of the auxiliary wheels 451 are opposite, the auxiliary protrusions are enabled to clamp and push the paper board 300 to the printer at the same time, the paper board 300 is prevented from deflecting in the conveying process, and the printing accuracy of the paper board 300 is improved.

The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the utility model.

Claims

1. Feed end calibrating mechanism, its characterized in that: comprises a frame (100); the frame (100) is arranged at the feeding end of the printer of the paperboard (300); the frame (100) is provided with a first direction and a second direction; the first direction and the second direction are vertically arranged; the frame (100) is provided with a conveyor belt (200) arranged along a first direction; a guide device (400) is arranged on the conveyor belt (200);

the guiding device (400) comprises two mounting frames (410) symmetrically arranged along the second direction; the mounting frame (410) is slidably mounted on the frame (100) along a second direction; a space adjusting component is arranged between the two mounting frames (410); the interval adjusting assembly is used for adjusting the interval between the two mounting frames (410);

One end of the mounting frame (410) close to the printer of the paperboard (300) is provided with a supporting component, and one end of the mounting frame far away from the printer of the paperboard (300) is provided with a calibrating component; the supporting assembly comprises a supporting belt (431) and a supporting power structure; the supporting belt (431) is rotatably arranged on the mounting frame (410) along the first direction; the supporting power structure is used for driving the supporting belt (431) to rotate, and the moving direction of one side of the supporting belt (431) close to the paperboard (300) is the same as the moving direction of the conveyor belt (200); the calibration assembly comprises a calibration belt (441), a calibration power structure; the calibration belts (441) are obliquely arranged along a first direction, and the calibration belts (441) of the two calibration assemblies are V-shaped with small ends facing the printer of the paperboard (300); the calibration power structure is used for driving the calibration belt (441) on the corresponding side of the advancing end of the paper board (300) to move towards one side of the paper board (300) in the same direction as the moving direction of the conveyor belt (200) when the paper board (300) is inclined.

2. A feed end calibration mechanism according to claim 1, wherein: the calibration power structure comprises a proximity switch (442) and a calibration rotating shaft; a plurality of proximity switches (442) are uniformly distributed along the first direction and fixed on the corresponding mounting frame (410); the interval between the proximity switches (442) of the two mounting frames (410) is the same as the interval between the two supporting belts (431); the number of the calibration rotating shafts is two, and the calibration rotating shafts are rotatably arranged on the mounting frame (410); the calibration belt (441) is sleeved outside the two calibration rotating shafts; a calibration motor (443) is fixed on the mounting frame (410); the calibrating motor (443) is a servo motor; an output shaft of the calibration motor (443) is fixedly connected with one of the calibration rotating shafts.

3. A feed end calibration mechanism according to claim 2, wherein: the supporting power structure comprises a supporting rotating shaft; the number of the supporting rotating shafts is two, and the two supporting rotating shafts are rotatably arranged on the mounting frame (410); the supporting belts (431) are sleeved outside the two supporting rotating shafts; a supporting motor (432) is fixed on the mounting frame (410); the output shaft of the supporting motor (432) is fixedly connected with one supporting rotating shaft.

4. A feed end calibration mechanism according to claim 3, wherein: the supporting belt (431) is an elastic belt; an auxiliary component is arranged in the supporting belt (431); the auxiliary assembly comprises a plurality of sets of auxiliary wheels (451) distributed along a first direction; each set of auxiliary wheels (451) comprises two auxiliary wheels (451) symmetrical in a second direction; the auxiliary wheel (451) is arranged in the supporting belt (431); the diameter of the auxiliary wheel (451) is the same as the diameter of the supporting rotating shaft; auxiliary bulges are arranged on the side walls of the auxiliary wheels (451); the auxiliary wheel (451) is rotatably mounted on the mounting frame (410); an auxiliary motor (452) is arranged at the end part of the auxiliary wheel (451); the auxiliary motor (452) is fixed on the mounting frame (410), and the output shaft is fixedly connected with the auxiliary wheel (451); the auxiliary wheels (451) of the same group rotate in opposite directions.

5. A feed end calibration mechanism according to claim 1, wherein: the interval adjusting assembly comprises a bidirectional screw rod (421); threads with opposite spiral directions are arranged at two ends of the two-way screw rod (421); the bidirectional screw rod (421) is rotatably arranged on the frame (100), and an adjusting motor is arranged at the end part of the bidirectional screw rod; the mounting frame (410) is in threaded fit with the bidirectional screw rod (421).

6. A feed end calibration mechanism according to claim 2, wherein: the surfaces of the calibration belt (441) and the supporting belt (431) are provided with friction protrusions.