Printing ink decolorization testing machine with adjustable friction head

Abstract

The utility model belongs to the technical field of testing machinery, and particularly relates to a printing ink decolorization testing machine with an adjustable friction head, which comprises a machine table, a friction plate is fixedly connected to the top of the machine table, clamping devices are arranged on the two sides of the friction plate, a moving groove is formed in the back face of the friction plate, a threaded column is arranged in the moving groove, a first motor is arranged on one side of the threaded column, and a moving column is in threaded connection with the surface of the threaded column. The front face of the moving column is fixedly connected with an adjusting device, and the bottom of the front face of the adjusting device is fixedly connected with a friction head body. Through the arrangement of the adjusting device, the contact pressure between the friction head body and the test surface can be adjusted, which is crucial to different types of paper, printing ink and printing processes, and through adjusting the friction force, the optimal printing ink adhesion and paper surface quality can be realized, and the problem of paper damage or printing ink migration caused by excessive friction is avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to test mechanical technical field, concretely is a kind of ink decoloring testing machine of adjustable friction head. BACKGROUND

[0002] Ink decoloring testing machine is through setting friction speed and pre-friction times, with fixed weight of polishing head, tight fixed clean offset paper, and polish sample placed on friction platform. Friction head reciprocates on sample at specific speed, reaches specific times, removes sample and observes, calculates the average value of each point of sample same color gloss as the ink layer gloss of this color of this sample, which is the determination method for evaluating the wear resistance or friction resistance of ink on paper or paperboard.

[0003] The existing ink decoloring testing machine usually does not have adjustable friction head, and the friction is too small, which means that the contact force between the ink and the paper surface is insufficient, and the adhesion or penetration of the ink cannot be fully promoted. If the friction is too large, it will cause excessive pressure on the paper, which may cause damage, tearing or fuzzing on the surface of the paper, and even affect the structural integrity of the paper.

[0004] Therefore, the ink decoloring testing machine with adjustable friction head is proposed to solve the above problems. INVENTION CONTENTS

[0005] The utility model solves the technical problems in the prior art that the friction head does not have adjustable function, and therefore proposes an ink decoloring testing machine with adjustable friction head.

[0006] The utility model solves the technical problems by adopting the following technical scheme: an ink decoloring testing machine with adjustable friction head, comprising a machine table, a friction plate fixedly connected to the top of the machine table, clamping devices provided on both sides of the friction plate, a moving groove opened on the back surface of the friction plate, a threaded column provided in the moving groove, a first motor provided on one side of the threaded column, a moving column threadedly connected to the surface of the threaded column, an adjusting device fixedly connected to the front surface of the moving column, and a friction head body fixedly connected to the bottom of the front surface of the adjusting device.

[0007] Preferably, a concave block is provided in the clamping device, and a pull rod is movably connected to the top of the concave block.

[0008] Preferably, an installation plate is fixedly connected to the top of the pull rod, and a pull ring is fixedly connected to the top of the installation plate.

[0009] Preferably, a spring is provided at the bottom of the concave block on the surface of the pull rod, and a clamping plate is fixedly connected to the bottom of the pull rod.

[0010] As preferred, a vertical column is arranged in the adjusting device, a scale line is arranged on one side of the vertical column in the front, and a threaded rod is arranged in the vertical column.

[0011] As preferred, a second motor is arranged on the top of the threaded rod, and a moving L-shaped column is threadedly connected to the surface of the threaded rod.

[0012] As preferred, a limiting block is fixedly connected to the other side of the moving L-shaped column, and a limiting groove is arranged on the other side of the limiting block.

[0013] The utility model discloses the beneficial effects are:

[0014] 1. The utility model discloses the setting of clamping device can firmly fix the sample, ensure that the contact stability of ink and paper surface in the friction process, reduce the test error caused by the sample loose.

[0015] 2. The utility model discloses the setting of adjusting device can adjust the contact pressure between the friction head body and test surface, and this is crucial for different types of paper, ink and printing process, and through the adjustment of friction, the best ink adhesion and paper surface quality can be realized, and paper damage or ink migration problem caused by excessive friction is avoided. DRAWINGS

[0016] In order to more clearly illustrate the technical scheme in the embodiment of the utility model or prior art, the following will briefly introduce the drawing needed to be used in the embodiment or prior art description, and obviously, the drawing in the following description is only some embodiments of the utility model, and for those skilled in the art, other drawings can be obtained according to these drawings without paying creative labor.

[0017] Figure 1 It is the front view three-dimensional structure schematic diagram of the utility model;

[0018] Figure 2 It is the clamping device three-dimensional structure schematic diagram of the utility model;

[0019] Figure 3 It is the adjusting device three-dimensional structure schematic diagram of the utility model;

[0020] Figure 4 It is the Figure 3 It is the amplification three-dimensional structure schematic diagram of the utility model's middle A.

[0021] In the figure: 1, machine table; 2, friction plate; 3, clamping device; 301, concave block; 302, pull rod; 303, mounting plate; 304, pull ring; 305, spring; 306, clamping plate; 4, moving groove; 5, threaded column; 6, first motor; 7, moving column; 8, adjusting device; 801, stand; 802, scale line; 803, threaded rod; 804, second motor; 805, moving L-shaped column; 806, limit block; 807, limit groove; 9, friction head body. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to 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 other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0023] The drawings will be described below Figures 1-4 The application will be further described in detail,

[0024] The embodiments of the application disclose an ink decolorization testing machine with adjustable friction head, referring to Figure 1 , including machine table 1; the top of the machine table 1 is fixedly connected with a friction plate 2, the two sides of the friction plate 2 are provided with clamping devices 3, the back of the friction plate 2 is provided with a moving groove 4, the moving groove 4 is provided with a threaded column 5, one side of the threaded column 5 is provided with a first motor 6, the surface of the threaded column 5 is threadedly connected with a moving column 7, the front of the moving column 7 is fixedly connected with an adjusting device 8, and the front of the adjusting device 8 is fixedly connected with a friction head body 9 at the bottom; through the setting of the clamping device 3, the sample can be firmly fixed, the contact between the ink and the surface of the paper during the friction process is ensured to be stable, the test error caused by the loosening of the sample is reduced, the threaded column 5 is driven to rotate by the first motor 6, the moving column 7 is driven to move through the rotation of the threaded column 5, the friction head body 9 is driven to rub the test sample, and through the setting of the adjusting device 8, the contact pressure between the friction head body 9 and the test surface can be adjusted, which is crucial for different types of paper, ink and printing process, and through the adjustment of the friction force, the best ink adhesion and paper surface quality can be realized, and the problems of paper damage or ink migration caused by excessive friction can be avoided.

[0025] Referring to Figure 2 , the clamping device 3 is provided with a concave block 301, and the top of the concave block 301 is movably connected with a pull rod 302; through the setting of the pull rod 302, the clamping plate 306 can be driven to move upwards.

[0026] Referring to Figure 2The top of the pull rod 302 is fixedly connected with a mounting plate 303, and the top of the mounting plate 303 is fixedly connected with a pull ring 304; by pulling the pull ring 304, the pull rod 302 is conveniently driven to move upwards.

[0027] With reference to Figure 2 The bottom of the surface concave block 301 of the pull rod 302 is provided with a spring 305, and the bottom of the pull rod 302 is fixedly connected with a clamping plate 306; by the arrangement of the spring 305, the clamping plate 306 is conveniently driven to clamp and fix the test sample, the contact between the ink and the surface of the paper during the friction process is ensured to be stable, and the test error caused by loosening of the sample is reduced.

[0028] With reference to Figure 3 A vertical column 801 is arranged in the adjusting device 8, one side of the front face of the vertical column 801 is provided with a scale line 802, and the vertical column 801 is provided with a threaded rod 803; the threaded rod 803 is driven to rotate by the arrangement of the second motor 804, and the lifting height of the friction head body 9 can be accurately adjusted by the arrangement of the scale line 802, so that each test can be carried out under the same friction condition.

[0029] With reference to Figure 3 The top of the threaded rod 803 is provided with the second motor 804, and the surface of the threaded rod 803 is threadedly connected with a moving L-shaped column 805; by the rotation of the threaded rod 803, the moving L-shaped column 805 is conveniently driven to be adjusted in lifting, and the contact pressure between the friction head body 9 and the test surface can be adjusted, which is crucial for different types of paper, ink and printing process, and by adjusting the friction, the best ink adhesion and paper surface quality can be realized, and the problems of paper damage or ink migration caused by excessive friction can be avoided.

[0030] With reference to Figure 4 The other side of the moving L-shaped column 805 is fixedly connected with a limiting block 806, and the other side of the limiting block 806 is provided with a limiting groove 807; by the arrangement of the limiting block 806, the moving L-shaped column 805 is limited.

[0031] Working principle: pull the pull ring 304 to drive the pull rod 302 and the clamping plate 306 to move upwards, place the test sample on the friction plate 2, slowly loosen the pull ring 304, drive the clamping plate 306 to firmly fix the sample through the elasticity of the spring 305, ensure the stable contact between the ink and the surface of the paper during the friction process, reduce the test error caused by the loosening of the sample, drive the threaded rod 803 to rotate through the second motor 804, drive the moving L-shaped column 805 to adjust the lifting through the rotation of the threaded rod 803, refer to the scale line 802, can accurately adjust the contact pressure between the friction head body 9 and the test surface, which is very important for different types of paper, ink and printing process, through the adjustment of the friction force, the best ink adhesion and paper surface quality can be realized, avoid the paper damage or ink migration problem caused by excessive friction, drive the threaded column 5 to rotate through the first motor 6, drive the moving column 7 to move through the rotation of the threaded column 5, drive the friction head body 9 to rub the test sample through the movement of the moving column 7.

[0032] The basic principle, main features and advantages of the present application are shown and described above. It should be understood by those skilled in the art that the present application is not limited by the above embodiments, and the above embodiments and descriptions in the specification are only to illustrate the principles of the present application. Without departing from the spirit and scope of the present application, various changes and improvements can be made to the present application, and these changes and improvements all fall within the scope of the claimed present application.

Claims

1. An ink rub-out tester with an adjustable friction head, characterized by: Including machine table (1), the top of machine table (1) is fixedly connected with friction plate (2), both sides of friction plate (2) are provided with clamping device (3), the back of friction plate (2) is provided with moving groove (4), the inside of moving groove (4) is provided with threaded column (5), one side of threaded column (5) is provided with first motor (6), the surface of threaded column (5) is screw connected with moving column (7), the front of moving column (7) is fixedly connected with adjusting device (8), the bottom of the front of adjusting device (8) is fixedly connected with friction head body (9).

2. The ink rub-out tester with adjustable friction head according to claim 1, characterized in that: The recessed block (301) is arranged in the clamping device (3), and the top of the recessed block (301) is movably connected with the pull rod (302).

3. The ink rub-out tester with adjustable friction head according to claim 2, characterized in that: The top of the pull rod (302) is fixedly connected with the mounting plate (303), and the top of the mounting plate (303) is fixedly connected with the pull ring (304).

4. The ink rub-out tester with adjustable friction head according to claim 2, wherein: The surface of the pull rod (302) is provided with the spring (305) at the bottom of the recessed block (301), and the bottom of the pull rod (302) is fixedly connected with the clamping plate (306).

5. The ink rub-out tester with adjustable friction head according to claim 1, wherein: The adjusting device (8) is provided with a stand (801), and the front of the stand (801) is provided with a scale line (802).

6. The ink rub-out tester with adjustable friction head according to claim 5, wherein: The top of the threaded rod (803) is provided with a second motor (804), and the surface of the threaded rod (803) is screw connected with a moving L-shaped column (805).

7. The ink rub-out tester with adjustable friction head according to claim 6, characterized in that: The other side of the moving L-shaped column (805) is fixedly connected with a limit block (806), and the other side of the limit block (806) is provided with a limit groove (807).

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