Fault detection device for single concave machine

Abstract

The utility model discloses a single gravure press fault detection device which comprises fixed plates and a movable plate, sliding grooves and through grooves are formed in the fixed plates, a bottom plate, a single paperboard, a compression roller and a belt are arranged between the two fixed plates, a limiting groove is formed in the lower face of the bottom plate, and the two ends of the movable plate penetrate through the through grooves in the two fixed plates respectively. A single paperboard is driven by the belt to move to the position between the two stop blocks, when the left-right position deviation of the single paperboard is not within a set range, the single paperboard makes contact with the stop blocks and drives the stop blocks and the movable plate to move, the single paperboard is driven to move, and the single paperboard is driven to move to the position between the two stop blocks. And then the data sensed by the infrared distance measuring sensor is changed, at the moment, the belt stops, meanwhile, the background display screen sends out a fault signal, the problem that due to faults, the left-right position deviation of a single paperboard is too large, and printing errors are caused is solved, and waste of raw materials is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to single concave machine fault detection field especially a single concave machine fault detection device. BACKGROUND

[0002] Single concave machine (single sheet concave printing machine) is a type of intaglio printing machine, mainly using single sheet as the printing material, suitable for high-quality, small-batch printing needs, its core working principle is to store ink in the pits of the concave cylinder, remove the ink of the blank part by the doctor blade, and then transfer the ink in the pits to the paper under the pressure of the impression cylinder, forming a printing effect with rich levels and thick ink layers, in the application field, single concave machine is widely used in the printing of high-grade trademarks, packaging decoration, valuable securities and artistic picture albums, etc., generally using paper stack type continuous paper feeding to ensure stable conveying of single sheet.

[0003] The Chinese patent with publication number CN221392656U discloses a single concave machine fault detection device and a single concave machine, which detects whether there is paper on one side of the paper pressing cylinder near the beginning of the paper conveying by the detector, when no paper is detected, the main control unit controls the lifting drive device to move the paper pressing cylinder upwards, preventing the paper pressing cylinder from being contaminated with ink, at the same time, the main control unit sends fault information to the display and the background, notifying the relevant staff in time, and when a fault occurs, the lifting drive device moves the paper pressing cylinder upwards, and the driving motor drives the paper pressing cylinder to rotate, which can use the cleaning cotton layer to wipe off the accidentally contaminated ink on the surface of the paper pressing cylinder, ensuring the subsequent printing quality.

[0004] In the above-mentioned patent, whether a fault occurs is determined by detecting whether there is paper, but single concave machine needs to convey single sheet between the pressing roller and the printing cylinder before printing, when the feeding device fails, it is difficult to find out in time, and the single sheet may be in a misaligned state, causing the problem of subsequent printing position error, therefore, a single concave machine fault detection device is proposed to solve the above-mentioned problem. UTILITY MODEL CONTENTS

[0005] The utility model aims to provide a single concave machine fault detection device to solve the problem that the single sheet may be in a misaligned state during conveying, causing subsequent printing position error, and the utility model technical scheme provides a solution significantly different from the prior art.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme:

[0007] The utility model provides a single concave machine fault detection device, including fixed plate and movable plate, the inside of fixed plate is provided with sliding slot and through groove, is provided with bottom plate, single paper board, compression roller and belt between two fixed plate, the lower surface of bottom plate is provided with limit groove, is provided with a plurality of first gyro wheel in the limit groove, movable plate is located the top of first gyro wheel, the both ends of movable plate respectively pass through the through groove in the inside of two fixed plate, the upper surface of movable plate is provided with the baffle, the lower surface of movable plate is provided with the guide plate, is provided with second gyro wheel between movable plate and guide plate, the top and bottom of through groove are provided with infrared distance measuring sensor and guide pillar respectively.

[0008] Preferably, the both ends of the movable plate are provided with side plates, one end of the guide pillar is connected with the fixed plate, the other end of the guide pillar passes through the side plate, a spring is arranged between the side plate and the fixed plate, and the spring is sleeved on the guide pillar.

[0009] Preferably, the lower end of the baffle is screw-connected with the movable plate, one side of the baffle is a semicircular surface, the other side of the baffle is a plane perpendicular to the movable plate, the infrared distance measuring sensor is connected with the fixed plate through a support, and the infrared ray emitting end of the infrared distance measuring sensor faces the plane of the baffle.

[0010] Preferably, the single paper board is located between the compression roller and the belt, the bottom plate is located below the belt, and both ends of the belt are provided with rollers, and both ends of the roller are connected with the two fixed plates respectively.

[0011] Preferably, the compression roller is provided with at least two, the two compression rollers are symmetrically arranged with the movable plate as the center, the surface of the compression roller is provided with antiskid rubber, the surface of the compression roller is attached to the single paper board, both ends of the compression roller are provided with sliding blocks, and the sliding blocks are located in the sliding slots.

[0012] Preferably, the upper side of the compression roller is sequentially provided with a support plate, an electric telescopic rod and a connecting plate, both ends of the support plate are connected with the two fixed plates respectively, the electric telescopic rod is installed on the support plate, the telescopic end of the electric telescopic rod is connected with the connecting plate, and the connecting plate is connected with the sliding block.

[0013] Compared with the prior art, the utility model has the beneficial effects that:

[0014] The utility model discloses a single concave machine fault detection device, including fixed plate and movable plate, the inside of fixed plate is provided with sliding slot and through groove, is provided with bottom plate, single paper board, compression roller and belt between two fixed plate, the lower surface of bottom plate is provided with limit groove, is provided with a plurality of first gyro wheel in the limit groove, movable plate is located the top of first gyro wheel, the both ends of movable plate respectively pass through the through groove in the inside of two fixed plate, the upper surface of movable plate is provided with the baffle, the lower surface of movable plate is provided with the guide plate, is provided with second gyro wheel between movable plate and guide plate, the top and bottom of through groove are provided with infrared distance measuring sensor and guide pillar respectively. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is the main structure schematic diagram of single concave machine fault detection device;

[0016] Figure 2 It is the structure schematic diagram of bottom plate in single concave machine fault detection device;

[0017] Figure 3 It is the structure schematic diagram of movable plate in single concave machine fault detection device;

[0018] Figure 4 It is the structure schematic diagram of pressure roller in single concave machine fault detection device.

[0019] In the figure: 1, fixed plate;101, sliding groove;102, through slot;2, bottom plate;201, limiting groove;202, first roller;3, single paper board;4, pressure roller;401, sliding block;402, combination plate;403, support plate;404, electric telescopic rod;5, belt;501, roller;6, movable plate;601, stop block;602, guide plate;603, second roller;604, side plate;605, guide column;606, spring;7, infrared distance measuring sensor;701, support. DETAILED DESCRIPTION

[0020] In the description of the present application, it is understood that the orientation or positional relationship indicated by the terms "center", "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the devices or elements indicated must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application. In addition, the terms "first", "second" and the like are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the technical features indicated. Therefore, the features limited by "first", "second" and the like can be explicitly or implicitly included one or more. In the description of the present application, unless otherwise specified, the meaning of "a plurality of" is two or more.

[0021] In the description of the present application, it should be noted that, unless otherwise specified and limited, the terms "mounting", "connection", "connection" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected;It can be mechanically connected, or it can be electrically connected;It can be directly connected, or it can be indirectly connected through an intermediate medium, or it can be the communication between two elements. For ordinary skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0022] The technical solutions in the embodiments of the utility model will be apparently and completely described in connection with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all the other embodiments obtained by the ordinary skilled in the art without creative labor fall within the protection scope of the utility model.

[0023] Please refer to Figures 1-4 In the utility model, a single concave machine fault detection device, including fixed plate 1 and movable plate 6, the inside of fixed plate 1 is provided with sliding slot 101 and through slot 102, two fixed plate 1 between being provided with bottom plate 2, single paperboard 3, compression roller 4 and belt 5, the lower surface of bottom plate 2 is provided with limiting slot 201, the inside of limiting slot 201 is provided with a plurality of first gyro wheel 202, movable plate 6 is located above first gyro wheel 202, the both ends of movable plate 6 respectively pass through the through slot 102 in the inside of two fixed plate 1, the upper surface of movable plate 6 is provided with stopper 601, the lower surface of movable plate 6 is provided with guide plate 602, and second gyro wheel 603 is arranged between movable plate 6 and guide plate 602, and the upper and lower of through slot 102 are provided with infrared distance measuring sensor 7 and guide column 605 respectively.

[0024] Embodiment 1: please refer to Figures 1-4 In the utility model embodiment, a single concave machine fault detection device, the both ends of movable plate 6 are provided with side plate 604, one end of guide column 605 is connected with fixed plate 1, the other end of guide column 605 passes through side plate 604, spring 606 is arranged between side plate 604 and fixed plate 1, spring 606 is sleeved on guide column 605, the lower end of stopper 601 is screw-connected with movable plate 6, one side of stopper 601 is semicircular surface, the other side of stopper 601 is the plane perpendicular to movable plate 6, infrared distance measuring sensor 7 is connected with fixed plate 1 through support 701, the infrared ray emitting end of infrared distance measuring sensor 7 faces the plane of stopper 601, single paperboard 3 is located between compression roller 4 and belt 5, bottom plate 2 is located below belt 5, and the both ends of belt 5 are provided with roller 501, and the both ends of roller 501 are connected with two fixed plate 1 respectively.

[0025] The single paper board 3 is transported between the bottom plate 2 and the compression roller 4 through the belt 5, and the single paper board 3 passes between the two stop blocks 601, when the left and right position deviation of the single paper board 3 is within the set range, the single paper board 3 does not contact the stop block 601, when the left and right position deviation of the single paper board 3 is not within the set range, the single paper board 3 contacts the stop block 601 and drives the stop block 601 and the movable plate 6 to move, so that the data sensed by the infrared distance sensor 7 changes, at this time, the belt 5 stops and the background display screen sends a fault signal, thereby avoiding the problem that the left and right position deviation of the single paper board 3 is too large due to the fault, reducing the waste of raw materials and reducing the production cost.

[0026] Embodiment 2: please refer to Figures 1-4 The compression roller 4 is distinguished from the embodiment 1 in that the compression roller 4 is at least provided with two, the two compression rollers 4 are symmetrically arranged with the movable plate 6 as the center, the surface of the compression roller 4 is provided with anti-skid rubber, the surface of the compression roller 4 is attached to the single paper board 3, the two ends of the compression roller 4 are provided with sliding blocks 401, the sliding block 401 is located in the inside of the sliding groove 101, the upper of the compression roller 4 is sequentially provided with a supporting plate 403, an electric telescopic rod 404 and a combination plate 402, the two ends of the supporting plate 403 are respectively connected with the two fixed plates 1, the electric telescopic rod 404 is installed on the supporting plate 403, the telescopic end of the electric telescopic rod 404 is connected with the combination plate 402, and the combination plate 402 is connected with the sliding block 401.

[0027] When the single paper board 3 is located between the two stop blocks 601, the two compression rollers 4 are attached to the single paper board 3, so that the single paper board 3 is always in a flat state when passing between the two stop blocks 601, and the stability of the single paper board 3 during movement is ensured, the situation that the single paper board 3 is twisted to cause an incorrect detection result is avoided, and the success rate of fault detection is improved.

[0028] The working principle of the utility model is: through installing the two stop blocks 601 on the movable movable plate 6, when the belt 5 transports the flat single paper board 3 between the bottom plate 2 and the compression roller 4, the single paper board 3 passes between the two stop blocks 601, when the left and right position deviation of the single paper board 3 is within the set range, the single paper board 3 does not contact the stop block 601, when the left and right position deviation of the single paper board 3 is not within the set range, the single paper board 3 contacts the stop block 601 and drives the stop block 601 and the movable plate 6 to move, so that the data sensed by the infrared distance sensor 7 changes, at this time, the belt 5 stops and the background display screen sends a fault signal, thereby avoiding the situation that the single paper board 3 subsequently appears printing error, and avoiding the waste of materials.

[0029] It is apparent for a person skilled in the art that the present application is not limited to the details of the above-described exemplary embodiments, but that it can be implemented in other concrete forms without departing from the spirit or the essential characteristics of the present application. Therefore, the embodiments should be considered as exemplary and non-limiting, the scope of the present application being defined by the claims appended hereto rather than by the above description, and all the changes which fall within the meaning and the scope of the equivalent elements of the claims are intended to be embraced therein. Any reference signs in the claims should not be construed as limiting the claims to the figures in which the reference signs are used.

[0030] Furthermore, it should be understood that although the present specification describes exemplary embodiments, not every embodiment contains only one independent technical solution, and the present specification is described in this way only for the sake of clarity, and a person skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that a person skilled in the art can understand.

Claims

1. A fault detection device for a single concave machine, comprising a fixed plate (1) and a movable plate (6), characterized in that: The fixed plate (1) is provided with a sliding groove (101) and a through groove (102) inside. A base plate (2), a single cardboard (3), a pressure roller (4) and a belt (5) are provided between the two fixed plates (1). A limiting groove (201) is provided under the base plate (2). Several first rollers (202) are provided inside the limiting groove (201). The movable plate (6) is located above the first rollers (202). The two ends of the movable plate (6) pass through the through grooves (102) inside the two fixed plates (1). A stop block (601) is provided on the top of the movable plate (6). A guide plate (602) is provided under the movable plate (6). A second roller (603) is provided between the movable plate (6) and the guide plate (602). An infrared ranging sensor (7) and a guide post (605) are provided above and below the through groove (102) respectively.

2. The single-concave machine fault detection device according to claim 1, characterized in that: Both ends of the movable plate (6) are provided with side plates (604), one end of the guide post (605) is connected to the fixed plate (1), the other end of the guide post (605) passes through the side plate (604), and a spring (606) is provided between the side plate (604) and the fixed plate (1), and the spring (606) is sleeved on the guide post (605).

3. The single-concave machine fault detection device according to claim 1, characterized in that: The lower end of the stop (601) is screwed to the movable plate (6). One side of the stop (601) is a semi-circular surface, and the other side of the stop (601) is a plane perpendicular to the movable plate (6). The infrared ranging sensor (7) is connected to the fixed plate (1) through the bracket (701). The infrared emitting end of the infrared ranging sensor (7) faces the plane of the stop (601).

4. The single-concave machine fault detection device according to claim 1, characterized in that: The single cardboard (3) is located between the pressure roller (4) and the belt (5), the bottom plate (2) is located below the belt (5), and rollers (501) are provided at both ends of the belt (5). The two ends of the rollers (501) are respectively connected to two fixed plates (1).

5. The single-concave machine fault detection device according to claim 1, characterized in that: At least two pressure rollers (4) are provided. The two pressure rollers (4) are symmetrically arranged with the movable plate (6) as the center. The surface of the pressure rollers (4) is provided with anti-slip rubber. The surface of the pressure rollers (4) is in contact with a single sheet of cardboard (3). Both ends of the pressure rollers (4) are provided with sliders (401). The sliders (401) are located inside the groove (101).

6. The single-concave machine fault detection device according to claim 5, characterized in that: Above the pressure roller (4), a support plate (403), an electric telescopic rod (404), and a connecting plate (402) are arranged in sequence. The two ends of the support plate (403) are connected to two fixed plates (1) respectively. The electric telescopic rod (404) is installed on the support plate (403). The telescopic end of the electric telescopic rod (404) is connected to the connecting plate (402). The connecting plate (402) is connected to the slider (401).

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