Paperboard strength tester

Abstract

The utility model relates to a paperboard strength tester which comprises a mounting frame, a fixing assembly is mounted on the inner side, close to the bottom end, of the mounting frame, a testing assembly is mounted on the inner side, close to the upper portion, of the mounting frame, the fixing assembly comprises two fixing frames, the inner sides of the fixing frames are fixedly connected with a fixing frame, and the two sides of the upper fixing frame are fixedly connected with the mounting frame; supporting columns are fixedly connected to the bottom ends of the lower fixing frame and the fixing frame, a mounting plate is fixedly connected to the bottom ends of the supporting columns, a cross-shaped mounting piece is fixedly connected to the center of the bottom end of the mounting plate, a threaded rod is fixedly connected to the center of the bottom end of the mounting piece, and a threaded sleeve is in threaded connection to the outer side of the threaded rod; the upper end of the threaded sleeve is movably connected with a mounting frame, the bottom end of the mounting frame is fixedly connected with the mounting frame, strength testing can be conducted on different areas of a whole paperboard, and the paperboard strength testing efficiency is improved.

Description

TECHNICAL FIELD

[0001] The application relates to the technical field of paperboard strength testing, in particular to a paperboard strength tester. BACKGROUND

[0002] The paperboard strength tester is an important device for evaluating the physical performance of paperboard and is widely used in the fields of paperboard and corrugated paperboard manufacturers, packaging material suppliers, quality inspection agencies and scientific research institutions. Through the test of the device, the physical performance of the paperboard can be comprehensively understood, thereby providing strong support for the design, production, quality control and market promotion of products.

[0003] However, in actual application, the existing paperboard strength tester needs the user to cut and sample the paperboard in most cases so as to test the sample in a specific area or size. Although this test method can accurately measure the strength of the sampling area, it has the limitation that the whole paperboard cannot be directly tested in multiple areas.

[0004] Therefore, the technical personnel in the field provide a paperboard strength tester to solve the problems in the background. CONTENT OF THE INVENTION

[0005] In order to solve the problems in the background, the application provides a paperboard strength tester.

[0006] The paperboard strength tester provided by the application adopts the following technical scheme:

[0007] The paperboard strength tester comprises a mounting frame, a fixing assembly is arranged on the inner side of the bottom end of the mounting frame, a test assembly is arranged on the inner side of the upper end of the mounting frame, the fixing assembly comprises two fixing frames, a fixing frame is fixedly connected with a fixing support on the inner side, the two sides of the upper fixing frame are fixedly connected with the mounting frame, a supporting column is fixedly connected with the bottom end of the fixing support and the lower fixing frame, an installation plate is fixedly connected with the bottom end of the supporting column, a cross-shaped installation piece is fixedly connected with the center of the bottom end of the installation plate, a threaded rod is fixedly connected with the bottom end of the installation piece, a threaded sleeve is threadedly connected with the outer side of the threaded rod, an installation support is movably connected with the upper end of the threaded sleeve, and the bottom end of the installation support is fixedly connected with the mounting frame.

[0008] Preferably, the test assembly comprises two symmetrically arranged first installation rods, the two ends of the first installation rod are fixedly connected with the mounting frame through a connecting piece, an installation sleeve is movably connected with the outer side of the first installation rod, two second installation rods are fixedly connected between the two installation sleeves, the outer sides of the two second installation rods are movably connected with the same installation block, a cylinder is fixedly connected through the upper and lower ends of the installation block, a digital pressure tester is fixedly connected with the output end of the cylinder, and a probe is arranged on the bottom end of the digital pressure tester.

[0009] Preferably, the bottom end of the upper fixed frame and fixed frame is fixedly connected with a first clamping strip, the upper end of the lower fixed frame and fixed frame is fixedly connected with a second clamping strip, the second clamping strip is opposite to the first clamping strip, the cross section of the first clamping strip is triangular, and a long groove matched with the first clamping strip is formed in the middle of the second clamping strip.

[0010] Preferably, the upper end of the lower fixed frame is fixedly connected with a fixed cone, and a through hole is formed in the position of the fixed cone opposite to the upper fixed frame.

[0011] Preferably, the bottom end of the mounting plate is fixedly connected with a limiting rod on both sides, the outer side of the limiting rod is movably connected with a limiting sleeve at the bottom end, and the bottom end of the limiting sleeve is fixedly connected with the mounting frame.

[0012] To sum up, the present application has the following beneficial technical effects:

[0013] 1. By designing the structure of the two fixed frames and fixed frames, and cooperating with the first clamping strip, the second clamping strip, the support column, the mounting plate, the mounting piece, the threaded rod, the threaded sleeve and the mounting frame, the paperboard can be accurately clamped and separated into multiple units. The digital pressure tester moves through the mounting block cooperating with the second mounting rod, the mounting sleeve and the first mounting rod, and drives the digital pressure tester and the probe to test the paperboard in each area through the cylinder. The strength of different areas of the whole paperboard can be tested, and the efficiency of paperboard strength testing is improved. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 is a schematic diagram of the overall structure of the present application;

[0015] Figure 2 is a first perspective view of the fixed frame and fixed frame of the present application;

[0016] Figure 3 is a second perspective view of the fixed frame and fixed frame of the present application.

[0017] BRIEF DESCRIPTION OF DRAWINGS: 1, mounting frame; 2, fixed component; 201, mounting frame; 202, threaded sleeve; 203, threaded rod; 204, mounting piece; 205, mounting plate; 206, support column; 207, fixed frame; 208, fixed frame; 209, first clamping strip; 210, second clamping strip; 211, fixed cone; 212, through hole; 213, limiting rod; 214, limiting sleeve; 3, test component; 301, first mounting rod; 302, mounting sleeve; 303, second mounting rod; 304, mounting block; 305, cylinder; 306, digital pressure tester; 307, probe. DETAILED DESCRIPTION

[0018] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0019] Example 1

[0020] like Figures 1-3 As shown, this application discloses a cardboard strength tester, including a mounting frame 1. A fixing component 2 is installed on the inner side of the mounting frame 1 near the bottom, and a testing component 3 is installed on the inner side of the mounting frame 1 near the top. The fixing component 2 includes two fixing frames 207. A fixing bracket 208 is installed on the inner side of the fixing frame 207. The two sides of the upper fixing frame 207 are fixedly connected to the mounting frame 1. A support column 206 is installed at the bottom of the lower fixing frame 207 and the fixing bracket 208. A mounting plate 205 is installed at the bottom of the support column 206. A cross-shaped mounting piece 204 is installed in the center of the bottom of the mounting plate 205. A threaded rod 203 is installed in the center of the bottom of the mounting piece 204. A threaded sleeve 202 is installed on the outer side of the threaded rod 203. A mounting bracket 201 is installed at the upper end of the threaded sleeve 202. The bottom end of the mounting bracket 201 is fixedly connected to the mounting frame 1.

[0021] The rotating threaded sleeve 202 drives the threaded rod 203, mounting plate 204, mounting plate 205, support column 206 and the lower fixing frame 207 and fixing bracket 208 to rise. The two pairs of fixing frames 207 and fixing brackets 208 in the vertical direction clamp and fix the cardboard, and the fixing bracket 208 divides the cardboard into multiple units.

[0022] like Figure 1 As shown, the test assembly 3 includes two symmetrically arranged first mounting rods 301. The two ends of the first mounting rods 301 are fixedly connected to the mounting frame 1 via connectors. Mounting sleeves 302 are mounted on the outer sides of the first mounting rods 301. Two parallel second mounting rods 303 are mounted between the two mounting sleeves 302. A single mounting block 304 is mounted on the outer sides of the two second mounting rods 303. Cylinders 305 are mounted through the upper and lower ends of the mounting block 304. A digital pressure tester 306 is mounted at the output end of the cylinder 305. A probe 307 is mounted at the bottom end of the digital pressure tester 306. The cylinder 305 drives the digital pressure tester 306 to descend. The digital pressure tester 306, in conjunction with the probe 307, punctures the cardboard, thereby obtaining the cardboard's strength data. The position of the digital pressure tester 306 can be moved laterally along the direction of the second mounting rods 303 via the mounting block 304, and longitudinally along the direction of the first mounting rods 301, thereby performing strength tests on cardboard in different areas.

[0023] As Figures 1-3 The bottom end of the fixed frame 207 and the fixed frame 208 on the upper side is provided with a first clamping strip 209, and the upper end of the fixed frame 207 and the fixed frame 208 on the lower side is provided with a second clamping strip 210, the second clamping strip 210 is opposite to the first clamping strip 209, the cross section of the first clamping strip 209 is triangular, and a long slot matched with the first clamping strip 209 is formed in the middle of the second clamping strip 210, so that the clamping effect on the paperboard is improved, and the paperboard is prevented from deviating during the test.

[0024] As Figures 1-3 The upper end of the fixed frame 208 on the lower side is provided with a fixed cone 211, and a through hole 212 is formed in the position opposite to the upper fixed frame 208 of the fixed cone 211, so that the paperboard can be pierced and fixed through the fixed cone 211 matched with the through hole 212, and the fixing effect on the paperboard is improved.

[0025] As Figure 1 The bottom end of the mounting plate 205 is provided with a limiting rod 213 on both sides, the outer side of the limiting rod 213 is provided with a limiting sleeve 214 at the bottom end, and the bottom end of the limiting sleeve 214 is fixedly connected with the mounting frame 201, so that the mounting plate 205 can be limited through the limiting rod 213 matched with the limiting sleeve 214, and the position deviation of the mounting plate 205 during movement is avoided.

[0026] The standard parts used in the utility model can be purchased from the market, the special-shaped parts can be ordered according to the description and the drawings, the specific connection mode of each part adopts the conventional means such as bolts, rivets and welding in the prior art, the machinery, parts and equipment adopt conventional models in the prior art, and the circuit connection adopts the conventional connection mode in the prior art, which will not be described in detail here.

[0027] Meanwhile, the contents not described in detail in the specification all belong to the prior art known by those skilled in the art.

[0028] The implementation principle of the paperboard strength tester in the embodiment of the application is as follows:

[0029] In use, the paperboard to be tested is placed on the fixed frame 207 and the fixed frame 208 below, the paperboard is pierced using the fixed cone 211, the threaded sleeve 202 is rotated to drive the threaded rod 203, the mounting piece 204, the mounting plate 205, the support column 206, and the fixed frame 207 and the fixed frame 208 below to rise until the two pairs of fixed frame 207 and fixed frame 208 tightly clamp the paperboard, at the same time, the design of the fixed frame 208 separates the paperboard into multiple units, facilitating subsequent strength testing of different areas, by adjusting the position of the mounting block 304 on the second mounting rod 303 and the position of the mounting sleeve 302 on the first mounting rod 301, the position of the digital pressure tester 306 can be controlled to ensure that it can accurately align with the test point on the paperboard, the cylinder 305 is started to drive the digital pressure tester 306 to descend, the digital pressure tester 306 cooperates with the probe 307 to pierce the paperboard, at this time, the digital pressure tester 306 will record the relevant data in the piercing process, such as piercing force, penetration time, etc., these data will be used to evaluate the strength of the paperboard, after the test is completed, by analyzing the data recorded by the digital pressure tester 306, the strength index of the paperboard can be obtained, at the same time, since the test can be carried out on different areas of the paperboard, the overall strength distribution of the paperboard can be comprehensively understood.

[0030] 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, the above embodiments and descriptions in the specification are only preferred examples of the present application and are not intended to limit the present application, various changes and improvements can be made to the present application without departing from the spirit and scope of the present application, and these changes and improvements all fall within the scope of the present application. The scope of protection of the present application is defined by the appended claims and their equivalents.

Claims

1. A paperboard strength tester comprising a mounting frame (1), a fixing assembly (2) is mounted on the inner side of the bottom end of the mounting frame (1), a testing assembly (3) is mounted on the inner side of the upper end of the mounting frame (1), characterized in that, The fixed assembly (2) comprises two fixed frames (207), the inner side of the fixed frame (207) is fixedly connected with a fixed frame (208), the upper fixed frame (207) is fixedly connected with the mounting frame (1) on both sides, the bottom end of the lower fixed frame (207) and the fixed frame (208) is fixedly connected with a support column (206), the bottom end of the support column (206) is fixedly connected with a mounting plate (205), the bottom end of the mounting plate (205) is fixedly connected with a cross-shaped mounting piece (204), the bottom end of the mounting piece (204) is fixedly connected with a threaded rod (203), the outer side of the threaded rod (203) is threadedly connected with a threaded sleeve (202), the upper end of the threaded sleeve (202) is movably connected with a mounting frame (201), and the bottom end of the mounting frame (201) is fixedly connected with the mounting frame (1).

2. A paperboard strength tester according to claim 1, characterized in that: The test assembly (3) comprises two symmetrically arranged first mounting rods (301), the two ends of the first mounting rod (301) are fixedly connected with the mounting frame (1) through connecting pieces, the outer side of the first mounting rod (301) is movably connected with a mounting sleeve (302), two parallel second mounting rods (303) are fixedly connected between the two mounting sleeves (302), the outer sides of the two second mounting rods (303) are movably connected with the same mounting block (304), a gas cylinder (305) is fixedly connected through the upper and lower ends of the mounting block (304), the output end of the gas cylinder (305) is fixedly connected with a digital pressure tester (306), and the bottom end of the digital pressure tester (306) is provided with a probe (307).

3. A paperboard strength tester according to claim 1, characterized in that: The bottom end of the upper fixed frame (207) and the fixed frame (208) is fixedly connected with a first clamping strip (209), the upper end of the lower fixed frame (207) and the fixed frame (208) is fixedly connected with a second clamping strip (210), the second clamping strip (210) is opposite to the first clamping strip (209), the cross section of the first clamping strip (209) is triangular, and a long groove matched with the first clamping strip (209) is formed in the middle of the second clamping strip (210).

4. A paperboard strength tester according to claim 1, characterized in that: The upper end of the lower fixed frame (208) is fixedly connected with a fixed cone (211), and a through hole (212) is formed in the position opposite to the upper fixed frame (208).

5. A paperboard strength tester according to claim 1, characterized in that: The bottom end of the mounting plate (205) is fixedly connected with a limiting rod (213) on both sides, the outer side of the limiting rod (213) is movably connected with a limiting sleeve (214) at the bottom end, and the bottom end of the limiting sleeve (214) is fixedly connected with the mounting frame (201).

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