Abrasion resistance testing machine for coated paper tape

Abstract

The utility model relates to the technical field of paper tape abrasion resistance testing, in particular to a coating paper tape abrasion resistance testing machine which comprises an operation table, a main paper guide wheel, a driven paper guide wheel, a paper collecting plate, a paper pressing roller, a movable frame and an adjusting assembly. The paper collecting plate is installed in the middle of the operation table, the paper pressing roller is installed at the bottom of the movable frame and used for pressing a paper tape, and the adjusting assembly is movably connected to the upper end of the paper collecting plate. According to the coating paper tape abrasion resistance testing machine, the overall structural layout is reasonable and compact, the occupied space size is small, the position of the paper pressing roller is controlled by extruding the contact plate when the irregular edge of the cam rotates, the working position process of the paper pressing roller is adjusted without manually adding weights, operation is convenient, and connection is reliable.

Description

TECHNICAL FIELD

[0001] The application relates to the technical field of paper tape abrasion resistance testing, and in particular to a coated paper tape abrasion resistance testing machine. BACKGROUND

[0002] The paper tape abrasion resistance testing machine is mainly used for testing the performance of paper tape under conditions such as friction, wear and abrasion, so as to evaluate the wear degree and durability of the paper tape in actual use. A certain load and speed are used to cause friction between the sample and the standard abrasive paper tape, simulate the wear condition in actual use, measure the mass change or surface wear condition of the sample after a certain number of friction, and evaluate the wear resistance of the material.

[0003] According to the search, the paper tape abrasion resistance testing machine disclosed in CN211453231U places the required weight on the mounting seat, places the workpiece on the test platform, and then abuts the paper tape on the paper tape clamp with the surface of the workpiece. After adjusting the position of the test platform, the main machine can be started to start testing. When the running time reaches the friction time set by the main machine, the corresponding parameters will be displayed on the main machine, and the workpiece can be removed for observation.

[0004] According to the related technology in the above, the inventors believe that there are the following technical defects to be improved:

[0005] When the device compresses the paper tape, the position of the bottom stop block needs to be frequently adjusted to adapt to the paper tape by increasing the weight. This process is generally manually adjusted, which is time-consuming and laborious. CONTENT OF THE UTILITY MODEL

[0006] The application provides a coated paper tape abrasion resistance testing machine to improve the following technical problems:

[0007] When the conventional device compresses the paper tape, the position of the bottom stop block needs to be frequently adjusted to adapt to the paper tape by increasing the weight. This process is generally manually adjusted, which is time-consuming and laborious.

[0008] The application provides a coated paper tape abrasion resistance testing machine, which adopts the following technical scheme:

[0009] A coated paper tape abrasion resistance testing machine, comprising a mechanical positioning type abrasion resistance testing machine, the mechanical positioning type abrasion resistance testing machine comprising an operation table, a main paper guide wheel, a driven paper guide wheel, a paper collecting plate, a paper pressing roller, a movable frame and an adjusting assembly, the main paper guide wheel and the driven paper guide wheel being symmetrically arranged on both sides of the operation table for conveying paper tape, the paper collecting plate being installed in the middle of the operation table, the paper pressing roller being installed at the bottom of the movable frame for pressing the paper tape, and the adjusting assembly being movably connected to the upper end of the paper collecting plate.

[0010] In an implementation of the present application, the adjusting assembly comprises a support frame, a stepping motor, a drive shaft, a cam, a contact plate and a spring telescopic rod, the support frame is installed at the middle of the top end of the operation table, the motor shaft of the stepping motor is fixedly connected with one end of the drive shaft through a shaft coupling, one side of the cam is sleeved on the outside of the drive shaft for extruding the contact plate, the bottom of the contact plate is fixedly connected with the top of the movable frame, and the two opposite side surfaces of the support frame and the contact plate are fixedly connected with the two sides of the spring telescopic rod.

[0011] In an implementation of the present application, the connecting part of the support frame and the contact plate is further provided with a sliding groove and a sliding block which are mutually matched in size.

[0012] In an implementation of the present application, the middle of the bottom end of the paper collecting plate is further installed with a locking type lifting rod.

[0013] In an implementation of the present application, the outside of the main paper guide wheel is further installed with a box type speed reducer.

[0014] In an implementation of the present application, the upper end of the paper collecting plate is further provided with a sliding frame, a pressing plate and a compression spring, the sliding frame is slidingly connected at the two sides of the paper collecting plate, the pressing plate is slidingly connected at the top inside of the sliding frame for pressing the paper strip, and the two opposite side surfaces of the sliding frame and the pressing plate are fixedly connected with the two ends of the compression spring.

[0015] In summary, the present application has at least one of the following beneficial technical effects:

[0016] The product has reasonable and compact overall structure layout, occupies small space volume, the position of the paper pressing roller is controlled by extruding the contact plate when the irregular edge of the cam rotates, manual addition of weights for adjusting the position of the paper pressing roller is avoided, the operation is convenient and the connection is reliable. BRIEF DESCRIPTION OF DRAWINGS

[0017] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the following will briefly introduce the drawings needed to be used in the embodiment description. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can also be obtained by those skilled in the art without any creative effort.

[0018] Figure 1 is a structural schematic view of the coated paper strip wear resistance testing machine in the embodiment of the present application.

[0019] Figure 2 is a side view of the mechanical positioning type wear resistance testing machine in the embodiment of the present application.

[0020] Figure 3 is a structural schematic diagram of a spring telescopic rod in the embodiment of the present application.

[0021] Figure 4 is a distribution diagram of a sliding groove and a sliding block in the embodiment of the present application.

[0022] Figure 5 is a cutaway effect diagram of a sliding frame in the embodiment of the present application.

[0023] Explanation of reference signs:

[0024] 1, mechanical positioning type wear testing machine; 2, sliding groove; 3, sliding block; 4, locking type lifting rod; 5, box type speed reducer; 6, sliding frame; 7, pressing plate; 8, compression spring; 9, paper roller; 11, operation table; 12, main paper guide wheel; 13, driven paper guide wheel; 14, paper collecting plate; 15, paper pressing roller; 16, movable frame; 17, adjusting assembly; 171, support frame; 172, stepping motor; 173, driving shaft; 174, cam; 175, contact plate; 176, spring telescopic rod. DETAILED DESCRIPTION

[0025] In order to make the technical problems, technical solutions and beneficial effects of the present application clearer, the present application will be further described in detail below in combination with the drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present application and not to limit the present application.

[0026] It should be noted that when an element is referred to as being "fixed to" or "disposed on" another element, it can be directly on the other element or indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or indirectly connected to the other element.

[0027] It should be understood that the terms "length", "width", "upper", "lower", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only used to facilitate the description of the present application and simplify the description, and therefore cannot be understood as indicating or implying that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application.

[0028] In addition, the terms "first", "second", "third", etc. are used herein only to describe different instances, and are not used to indicate or imply relative importance or a number of indications of the technical features indicated. Therefore, the technical features defined with "first", "second", "third", etc. can explicitly or implicitly include one or more of the technical features. In the description of the present application, the meaning of "a plurality of" is two or more, unless otherwise specifically limited.

[0029] The following description will be made in detail with reference to the accompanying drawings. Figures 1-5 The present application is further described in detail.

[0030] The present application discloses a coated paper tape abrasion tester. Referring to Figures 1-5 The coated paper tape abrasion tester comprises a mechanical positioning type abrasion tester 1, the mechanical positioning type abrasion tester 1 comprises an operation table 11, a main guide roller 12, a driven guide roller 13, a paper collecting plate 14, a paper pressing roller 15, a movable frame 16 and an adjusting assembly 17, the main guide roller 12 and the driven guide roller 13 are symmetrically arranged on both sides of the operation table 11 for conveying the paper tape, the paper collecting plate 14 is installed in the middle of the operation table 11, the paper pressing roller 15 is installed at the bottom of the movable frame 16 for pressing the paper tape, and the adjusting assembly 17 is movably connected to the upper end of the paper collecting plate 14.

[0031] The adjusting assembly 17 comprises a supporting frame 171, a stepping motor 172, a driving shaft 173, a cam 174, a contact plate 175 and a spring telescopic rod 176, the supporting frame 171 is installed at the middle of the top end of the operation table 11, the motor shaft of the stepping motor 172 is fixedly connected to one end of the driving shaft 173 through a shaft coupling, one side of the cam 174 is sleeved on the outside of the driving shaft 173 for extruding the contact plate 175, the bottom of the contact plate 175 is fixedly connected to the top of the movable frame 16, and the two sides of the spring telescopic rod 176 are fixedly connected to the opposite side surfaces of the supporting frame 171 and the contact plate 175 respectively.

[0032] The connecting part of the supporting frame 171 and the contact plate 175 is further provided with a sliding groove 2 and a sliding block 3 which are matched in size.

[0033] The bottom end of the paper collecting plate 14 is further provided with a locking type lifting rod 4.

[0034] The outer side of the main guide roller 12 is further provided with a box type speed reducer 5.

[0035] The upper end of the paper collecting plate 14 is further provided with a sliding frame 6, a pressing plate 7 and a compression spring 8, the sliding frame 6 is slidingly connected to the two sides of the paper collecting plate 14, the pressing plate 7 is slidingly connected to the top inner side of the sliding frame 6 for pressing the paper tape, and the two ends of the compression spring 8 are fixedly connected to the opposite side surfaces of the sliding frame 6 and the pressing plate 7 respectively.

[0036] The use process of the coated paper tape abrasion tester of the present application is as follows:

[0037] The paper tape is sleeved on the driven paper guide wheel 13, one end is pulled out and fixed to the main paper guide wheel 12 after passing through the driven paper guide wheel 13 and the paper roller 9 in turn, the locking type lifting rod 4 is adjusted to a suitable height, the box type speed reducer 5 is started to drive the main paper guide wheel 12 to rotate, in the process, the top stepper motor 172 is started to drive the cam 174 to rotate, the irregular convex surface of the cam 174 is in contact with the contact plate 175 after rotating below the horizontal position, the built-in sliding groove 2 of the support frame 171 is matched with the two side sliding blocks 3 of the contact plate 175, so that the cam 174 can push the contact plate 175 to drive the movable frame 16 at the lower end and the paper pressing roller 15 to move down stably, thereby mechanically controlling the position of the paper pressing roller 15 to enable it to be in contact with the surface of the paper tape; when the cam 174 rotates upward along the bottom, the contact plate 175 is synchronously lifted upward and reset by the spring support rod; on the other hand, the positions of the two groups of sliding frames 6 are adjusted, the paper tape is placed in the gap between the paper collecting plate 14 and the lower pressing plate 7, and the internal paper tape is firmly pressed against the lower pressing plate 7 under the elastic holding of the compression spring 8, preventing excessive shaking of the paper tape.

[0038] The abrasion tester for the coated paper tape has the following beneficial technical effects:

[0039] The product has reasonable and compact overall structure layout, occupies a small space volume, the cam 174 is driven to rotate by the stepper motor 172, the irregular convex surface of the cam 174 is in contact with the contact plate 175 after rotating below the horizontal position, the built-in sliding groove 2 of the support frame 171 is matched with the two side sliding blocks 3 of the contact plate 175, so that the cam 174 can push the contact plate 175 to drive the movable frame 16 at the lower end and the paper pressing roller 15 to move down stably, thereby mechanically controlling the position of the paper pressing roller 15, eliminating the process of manually adding weights to adjust the position of the paper pressing roller 15, and the operation is convenient and reliable.

[0040] The above only describes the preferred embodiments of the present application and is not used to limit the present application, any modification, equivalent replacement and improvement made within the spirit and principle of the application should be included in the protection scope of the present application.

Claims

1. A coated paper tape abrasion tester characterized by, The mechanical positioning wear testing machine (1) comprises an operation table (11), a main guide wheel (12), a driven guide wheel (13), a paper collecting plate (14), a paper pressing roller (15), a movable frame (16) and an adjusting assembly (17), the main guide wheel (12) and the driven guide wheel (13) are symmetrically arranged on both sides of the operation table (11) for conveying a paper strip, the paper collecting plate (14) is installed in the middle of the operation table (11), the paper pressing roller (15) is installed at the bottom of the movable frame (16) for pressing the paper strip, and the adjusting assembly (17) is movably connected to the upper end of the paper collecting plate (14).

2. The coated paper strip abrasion tester of claim 1 wherein, The adjusting assembly (17) comprises a support frame (171), a stepping motor (172), a drive shaft (173), a cam (174), a contact plate (175) and a spring telescopic rod (176), the support frame (171) is installed at the middle of the top end of the operation table (11), the motor shaft of the stepping motor (172) is fixedly connected with one end of the drive shaft (173) through a shaft coupling, one side of the cam (174) is sleeved on the outside of the drive shaft (173) for pressing the contact plate (175), the bottom of the contact plate (175) is fixedly connected with the top of the movable frame (16), and the two sides of the spring telescopic rod (176) are fixedly connected with the opposite side surfaces of the support frame (171) and the contact plate (175).

3. The coated paper strip abrasion tester of claim 2 wherein, The connecting part of the support frame (171) and the contact plate (175) is further provided with a sliding groove (2) and a sliding block (3) which are matched in size.

4. The coated paper strip abrasion tester of claim 1 wherein, The bottom end of the paper collecting plate (14) is further provided with a locking lifting rod (4).

5. The coated paper strip abrasion tester of claim 1 wherein, The outer side of the main guide wheel (12) is further provided with a box-type speed reducer (5).

6. The coated paper strip abrasion tester of claim 4 wherein, The upper end of the paper collecting plate (14) is further provided with a sliding frame (6), a pressing plate (7) and a compression spring (8), the sliding frame (6) is slidably connected to the two sides of the paper collecting plate (14), the pressing plate (7) is slidably connected to the top inner side of the sliding frame (6) for pressing the paper strip, and the two ends of the compression spring (8) are fixedly connected with the opposite side surfaces of the sliding frame (6) and the pressing plate (7).

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