CN115683034A - Device for detecting surface flatness of printing plate roller and using method thereof - Google Patents

Abstract

The invention discloses a device for detecting the surface flatness of a printing plate roller and a using method thereof, which are used for detecting the printing plate roller; the method comprises the following steps: a detection platform; the detection platform is provided with a translation mechanism; the multiple groups of supporting mechanisms are arranged on the detection platform; a limiting mechanism; the translation mechanism is arranged on the base; the limiting mechanism is provided with a detection probe; the translation mechanism drives the limiting mechanism to move axially along the printing plate roller; the supporting mechanism drives the printing plate roller to rotate along the axis of the printing plate roller; the invention has the beneficial effects that: compared with the original detection of the surface singleness of the printing plate roller, the detection mode can comprehensively detect the surface of the printing plate roller, so that the detection quality can be improved, and meanwhile, the printing plate roller can be limited in the detection process of the printing plate roller, and the stability in the detection process of the printing plate roller is improved.

Description

A device for detecting the flatness of the printing plate roller surface and its application method

technical field

The invention relates to the technical field of plate roller detection, in particular to a device for detecting the surface roughness of a printing plate roller and a method for using the same.

Background technique

During the plate making process of the gravure plate roller, it is necessary to check the surface of the plate roller many times for defects, such as blisters, bubbles, scratches, etc. After defects are found, secondary repairs are required to ensure that the surface of the plate roller is clean and smooth, otherwise the quality of plate making will be affected.

After retrieval, the Chinese patent with the authorized notification number CN215373832U discloses a detection device for the flatness of the roller surface, which includes a base, and a first support rod and a second support rod are respectively arranged on the left and right sides of the base. A first support plate is provided on the first support rod, a first deck is provided on the first support plate, a second support plate is provided on the second support rod, and a second support plate is provided on the second support rod. A second deck is arranged on the board, the first support board and the second support board are connected by a connecting board, and a roller flatness testing instrument is arranged on the connecting board. The device can solve the technical problem that the prior art cannot conveniently detect the flatness of the roller.

However, during the detection process of the above scheme, only a single position of the printing plate roller can be detected, and the surface of the printing plate roller cannot be fully detected, and there will be missed detection, thereby reducing the quality of detection. In view of this, this paper The invention proposes a device for detecting the flatness of a printing plate roller surface and a method for using the same to solve the above problems.

Contents of the invention

The purpose of the present invention is to provide a device for detecting the flatness of the surface of a printing plate roller and a method of using the same, so as to solve the problems raised in the above-mentioned background technology.

To achieve the above object, the present invention provides the following technical solutions:

A device for detecting the flatness of the printing plate roller surface, used for detecting the printing plate roller; comprising:

A detection platform; the detection platform is provided with a translation mechanism;

Multiple sets of supporting mechanisms are set on the detection platform;

A limit mechanism; set on the translation mechanism; the limit mechanism is provided with a detection probe;

Wherein, the translation mechanism drives the limit mechanism to move axially along the printing plate roller;

Wherein, the support mechanism drives the printing plate roller to rotate along the axis of the printing plate roller.

As an improvement of the above technical solution, the translation mechanism includes two sets of fixed plates connected to the detection platform, a driving screw and a limit rod are arranged between the two sets of fixed plates, and a servo motor is fixedly connected to the positioning plate. The servo motor is connected to the driving screw in transmission, and the driving screw and the limit rod are provided with a moving platform, the moving platform is threadedly connected to the driving screw, and the moving platform is slidably connected to the limiting rod.

As an improvement of the above technical solution, the position limiting mechanism includes a fixing part, the fixing part is fixedly connected with the mobile platform, the position limiting arm is hinged on the fixing part, and two sets of positioning components are arranged on the position limiting arm. A spring is fixedly connected between the mobile platform and the limit arm, and the detection probe is arranged on the limit arm.

As an improvement of the above technical solution, the positioning assembly includes a mounting rod, a rubber ball is rotatably connected to the mounting rod, and a positioning screw threaded on the positioning assembly is also provided, and the positioning screw is in contact with the rubber ball.

As an improvement of the above technical solution, the detection probe is arranged between two sets of positioning components.

As an improvement of the above technical solution, the support mechanism includes a housing, in which two sets of rubber wheels are rotatably connected, and a driving motor is fixedly connected to the housing, and the driving motor is connected to a set of rubber wheels for transmission. connect.

As an improvement of the above technical solution, multiple sets of positioning plates are fixedly connected to the outer wall of the housing, and the positioning plates are provided with threaded holes.

A method for using a device for detecting the flatness of a printing plate roller surface, comprising the following steps:

S1. Support adjustment:

Place the housing on the detection platform until the distance between the two groups of housings matches the printing plate roller, and then fix the positioning plate with bolts, so that the housing is fixed on the detection platform;

S2. Plate roller placement:

Drive the limit arm to lift, place the two ends of the printing plate roller between two sets of rubber wheels, and drive the motor to drive a set of rubber wheels to rotate, so that the printing plate roll rotates on the detection platform;

S3, down pressure limit:

Drive the limit arm to descend, and make the rubber ball contact with the surface of the printing plate roller, and limit the printing plate roller on the supporting mechanism under the tension of the spring;

S4. Mobile detection:

The servo motor drives the screw to rotate, so that the moving table moves along the axial direction of the driving screw, thereby driving the limit arm to move along the axial direction of the printing plate roller, and during the movement, the detection probe is controlled by the printing plate roller. Surface inspection.

As an improvement of the above-mentioned technical solution, in the above-mentioned S3 and the lower pressure limit position, when impurities remain on the surface of the printing plate roller, the positioning screw is rotated, and the positioning screw is moved toward the direction of the rubber sphere, so that the distance between the rubber sphere and the printing plate roller The rolling friction between them is changed to sliding friction, and impurities on the surface of the printing plate roller are removed.

Compared with prior art, the beneficial effect of the present invention is:

In the process of detecting the printing plate roller, the printing plate roller is placed on the supporting mechanism, and the supporting mechanism drives the printing plate roller to rotate, and at the same time, the translation mechanism drives the detection probe to move along the axial direction of the printing plate roller, thus It is convenient to carry out comprehensive detection on the surface of the printing plate roller. Through the above method, during the detection process of the printing plate roller, the cooperation between the moving detection probe and the rotating printing plate roller can facilitate the detection of different positions on the surface of the printing plate roller. Compared with the original single detection of the surface of the printing plate roller, the above detection method can comprehensively detect the surface of the printing plate roller, thereby improving the quality of detection. At the same time, during the detection of the printing plate roller, it can Limit the printing plate roller to improve the stability of the printing plate roller detection process; when detecting printing plate rollers with different diameters, the limit arm moves towards the detection platform and contacts the printing plate roller under the tension of the spring, thereby It can be in contact with the surface of printing plate rollers with different diameters, which improves the diversity of detection.

Description of drawings

Fig. 1 is a structural representation of the present invention;

Fig. 2 is the structural representation of translational structure of the present invention;

Fig. 3 is the structural schematic diagram of the position-limiting mechanism of the present invention;

Fig. 4 is a structural schematic diagram of the positioning assembly of the present invention;

Fig. 5 is the structural representation of support mechanism of the present invention;

Fig. 6 is a schematic diagram of the pressing action of the limiting mechanism of the present invention;

Fig. 7 is a framework flow chart of the method used in the present invention.

In the figure: 10, printing plate roller; 20, support mechanism; 21, driving motor; 22, rubber wheel; 23, shell; 24, positioning plate; 30, detection platform; 40, limit mechanism; 42, spring; 43, limit arm; 44, detection probe; 45, positioning component; 451, positioning screw; 452, installation rod; 453, rubber ball; 50, translation mechanism; 51, mobile platform; 52, limit rod ; 53, driving screw; 54, fixed plate; 55, servo motor.

Detailed ways

The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

Example:

As shown in Figures 1-7, this embodiment proposes a device for detecting the flatness of the printing plate roller surface, which is used to detect the printing plate roller 10; including:

A detection platform 30; the detection platform 30 is provided with a translation mechanism 50;

Multiple sets of support mechanisms 20 are arranged on the detection platform 30;

A limit mechanism 40; set on the translation mechanism 50; the limit mechanism 40 is provided with a detection probe 44;

Wherein, the translation mechanism 50 drives the limit mechanism 40 to move axially along the printing plate roller 10;

Wherein, the supporting mechanism 20 drives the printing plate roller 10 to rotate along the axis of the printing plate roller 10 .

In this embodiment, in the process of detecting the printing plate roll 10, the printing plate roll 10 is placed on the support mechanism 20, and the support mechanism 20 drives the printing plate roll 10 to rotate, and at the same time, the translation mechanism 50 drives the detection probe 44 Move along the axial direction of the printing plate roller 10, so as to facilitate a comprehensive detection of the surface of the printing plate roller 10. Compared with the original single detection of the surface of the printing plate roller 10, the above detection method can be used for the printing plate roller 10 A comprehensive inspection of the surface can improve the quality of inspection.

In this case, the preferred detection probe 44 is a laser rangefinder, and of course the laser rangefinder can be connected to a display terminal such as a display screen for timely response to detection data; when performing detection, set the detection probe 44 to the printing plate The distance between the rollers 10 is β, and the detection probe 44 detects the surface of the printing plate roller 10 during the moving process. Qualified phenomenon; of course, β can be a numerical range, such as 5-15mm.

Specifically, the translation mechanism 50 includes two sets of fixed plates 54 connected to the detection platform 30, a driving screw 53 and a limit rod 52 are arranged between the two sets of fixed plates 54, and the positioning plate 24 is fixedly connected with Servomotor 55, described servomotor 55 is connected with drive screw rod 53 transmission, described drive screw rod 53, limit rod 52 are provided with mobile platform 51, described mobile platform 51 is threadedly connected with drive screw rod 53, described mobile platform 51 It is slidably connected with the limit rod 52.

In this embodiment, when the detection probe 44 is driven to move, the servo motor 55 drives the driving screw 53 to rotate, so that the detection probe 44 is driven to move through the screw connection between the driving screw 53 and the moving platform 51 .

Specifically, the limiting mechanism 40 includes a fixing member 41, which is fixedly connected to the mobile platform 51, and the fixing member 41 is hinged with a limiting arm 43, and the limiting arm 43 is provided with two sets of positioning Component 45 , the spring 42 is fixedly connected between the moving platform 51 and the limit arm 43 , the detection probe 44 is set on the limit arm 43 , and the detection probe 44 is set between two sets of positioning components 45 .

In this embodiment, the limit arm 43 is driven to descend, and the positioning assembly 45 is brought into contact with the surface of the printing plate roller 10, and the printing plate roller 10 is limited on the support mechanism 20 under the tension of the spring 42, thereby raising the printing plate Roll 10 detects stability.

Specifically, the positioning assembly 45 includes a mounting rod 452, a rubber ball 453 is rotatably connected to the mounting rod 452, and a positioning screw 451 threadedly connected is also provided on the positioning assembly 45, and the positioning screw 451 and the rubber ball 453 contacts.

In this embodiment, the rubber ball 453 is provided with state one and state two;

State one: the rubber ball 453 does not contact the positioning screw 451, the rubber ball 453 rolls against the surface of the printing plate roller 10, and the detection probe 44 detects the surface of the printing plate roller 10;

State two: the rubber sphere 453 is in contact with the positioning screw 451, the rubber sphere 453 is in sliding friction with the surface of the printing plate roller 10, the detection probe 44 detects the surface of the printing plate roller 10, and the rubber sphere 453 removes impurities on the surface of the printing plate roller 10, so that The measurement data of the detection probe 44 is affected by impurities.

Specifically, the support mechanism 20 includes a housing 23, in which two sets of rubber wheels 22 are rotatably connected, and a driving motor 21 is fixedly connected to the housing 23, and the driving motor 21 and a set of The rubber wheel 22 is connected by transmission, and is used to drive the printing plate roller 10 to rotate, so as to complete the comprehensive inspection on the surface of the printing plate roller 10 .

Specifically, the outer wall of the housing 23 is also fixedly connected with a plurality of sets of positioning plates 24, and the positioning plates 24 are provided with threaded holes for positioning the housing 23 at any position on the detection platform 30 for different specifications. Of course, each group of printing plate rollers 10 needs to be matched with two sets of shells 23, when the shells 23 are positioned on the detection platform 30, and the printing plate rolls 10 are placed between two sets of rubber wheels 22, The axis of the printing plate roller 10 is parallel to the axis of the driving screw 53 so that the detection probe 44 can detect the printing plate roller 10 .

A method for using a device for detecting the flatness of a printing plate roller surface, comprising:

S1. Support adjustment:

Place the casing 23 on the detection platform 30 until the distance between the two groups of casings 23 matches the printing plate roller 10, and then fix the positioning plate 24 with bolts, so that the casing 23 is fixed on the detection platform 30 ;

S2. Plate roller placement:

Drive the limit arm 43 to lift, and place the two ends of the printing plate roller 10 between the two sets of rubber wheels 22, and drive the motor 21 to drive the set of rubber wheels 22 to rotate, so that the printing plate roll 10 is on the detection platform 30 rotate on

S3, down pressure limit:

Drive the limiting arm 43 to descend, and make the rubber ball 453 contact with the surface of the printing plate roller 10, and limit the printing plate roller 10 on the support mechanism 20 under the tension of the spring 42;

S4. Mobile detection:

The servo motor 55 drives the screw rod 53 to rotate, so that the moving table 51 moves axially along the driving screw rod 53, thereby driving the limit arm 43 to move along the axial direction of the printing plate roller 10, and during the movement, detects The probe 44 detects the surface of the printing plate roll 10 .

Specifically, in the S3, the lower pressure limit, when impurities remain on the surface of the printing plate roller 10, the positioning screw 451 is rotated, and the positioning screw 451 is moved toward the direction of the rubber ball 453, so that the rubber ball 453 and the printing plate roller The rolling friction between 10 is changed to sliding friction, and impurities on the surface of the printing plate roller 10 are removed so that the impurities affect the measurement data of the detection probe 44 .

During the detection process of the printing plate roller 10 through the above-mentioned use method, the cooperation between the moving detection probe 44 and the rotating printing plate roller 10 can facilitate the detection of different positions on the surface of the printing plate roller 10. Compared with the original There is a single inspection on the surface of the printing plate roller 10, and the above-mentioned detection method can carry out a comprehensive inspection on the surface of the printing plate roller 10, thereby improving the quality of detection. 10 to limit, improve the stability of the printing plate roll 10 detection process; when the printing plate roll 10 of different diameters is detected, the limit arm 43 moves towards the detection platform 30 under the tension of the spring 42 and the printing plate roll 10 contact, so as to be in contact with the surface of the printing plate roll 10 with different diameters, which improves the diversity of detection.

Although the embodiments of the present invention have been shown and described, those skilled in the art can understand that various changes, modifications and substitutions can be made to these embodiments without departing from the principle and spirit of the present invention. and modifications, the scope of the invention is defined by the appended claims and their equivalents.

Claims (9)

1. A device for detecting the flatness of the printing plate roller surface, characterized in that: it is used to detect the printing plate roller (10); comprising: A detection platform (30); the detection platform (30) is provided with a translation mechanism (50); Multiple sets of supporting mechanisms (20), set on the detection platform (30); A limit mechanism (40); set on the translation mechanism (50); the limit mechanism (40) is provided with a detection probe (44); Wherein, the translation mechanism (50) drives the limit mechanism (40) to move axially along the printing plate roller (10); Wherein, the support mechanism (20) drives the printing plate roller (10) to rotate along the axis of the printing plate roller (10). 2. A device for detecting the flatness of the printing plate roller surface according to claim 1, characterized in that: the translation mechanism (50) includes two sets of fixing plates (54) connected to the detection platform (30), A drive screw (53) and a limit rod (52) are arranged between the two sets of fixed plates (54), and a servo motor (55) is fixedly connected to the positioning plate (24), and the servo motor (55) It is in drive connection with the drive screw (53), the drive screw (53) and the limit rod (52) are provided with a mobile platform (51), the mobile platform (51) is threadedly connected with the drive screw (53), and the The mobile platform (51) is slidably connected with the limit rod (52). 3. A device for detecting the flatness of the printing plate roller surface according to claim 1, characterized in that: the limit mechanism (40) includes a fixed piece (41), and the fixed piece (41) is connected with the moving The platform (51) is fixedly connected, the fixed part (41) is hinged with a limit arm (43), and the limit arm (43) is provided with two sets of positioning components (45), the mobile platform (51), A spring (42) is fixedly connected between the limit arms (43), and the detection probe (44) is arranged on the limit arm (43). 4. The device for detecting the flatness of the printing plate roller surface according to claim 3, characterized in that: the positioning assembly (45) includes a mounting rod (452), and the mounting rod (452) is rotatably connected to There is a rubber sphere (453), and the positioning component (45) is also provided with a screw threaded positioning screw (451), and the positioning screw (451) is in contact with the rubber sphere (453). 5 . The device for detecting the flatness of the printing plate roller surface according to claim 3 , characterized in that: the detection probe ( 44 ) is arranged between two sets of positioning components ( 45 ). 6. A device for detecting the flatness of the printing plate roller surface according to claim 1, characterized in that: the support mechanism (20) includes a housing (23), and the housing (23) is rotatably connected to There are two sets of rubber wheels (22), and a drive motor (21) is fixedly connected to the housing (23), and the drive motor (21) is connected in transmission with one set of rubber wheels (22). 7. A device for detecting the flatness of the printing plate roller surface according to claim 6, characterized in that: the outer wall of the housing (23) is also fixedly connected with multiple sets of positioning plates (24), and the positioning plates (24) offer threaded holes. 8. A method for using a printing plate roller surface flatness detection device according to any one of claims 1-7, characterized in that: comprising the following steps: S1. Support adjustment: Place the casing (23) on the detection platform (30) until the distance between the two groups of casings (23) matches the printing plate roller (10), and then fix the positioning plate (24) with bolts, so that The housing (23) is fixed on the detection platform (30); S2. Plate roller placement: Drive the limit arm (43) to lift, place the two ends of the printing plate roller (10) between two sets of rubber wheels (22), and drive the motor (21) to drive a set of rubber wheels (22) to rotate, Thus, the printing plate roller (10) is rotated on the detection platform (30); S3, down pressure limit: Drive the limit arm (43) to descend, and make the rubber ball (453) contact the surface of the printing plate roller (10), and limit the printing plate roller (10) to the support mechanism (20) under the tension of the spring (42) )superior; S4. Mobile detection: The servo motor (55) drives the screw (53) to rotate, so that the moving table (51) moves axially along the drive screw (53), thereby driving the limit arm (43) along the axis of the printing plate roller (10) direction, and during the movement, the detection probe (44) detects the surface of the printing plate roller (10). 9. A method for using a device for detecting the flatness of the printing plate roller surface according to claim 8, characterized in that: in the S3, the lower pressure limit position, impurities remain on the surface of the printing plate roller (10) , turn the positioning screw (451) and move the positioning screw (451) towards the direction of the rubber ball (453), so that the rolling friction between the rubber ball (453) and the printing plate roller (10) is changed to sliding friction, and the Impurities on the surface of the printing plate roller (10).

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