A special fixture for measuring the hardness of the end and edge of gypsum board

Abstract

The present invention discloses a special clamp for measuring the hardness of the end and edge of a gypsum board, comprising: a clamping assembly for clamping the gypsum board, a sliding assembly on which the clamping assembly slides and is fixed at a fixed point, a rotating member for driving the sliding assembly to rotate, and a base frame assembly for fixing with a support of a board flexural tester, wherein the rotating member is detachably fixedly mounted on the base frame assembly. The clamping assembly clamps the gypsum board, and then the rotating member drives the sliding assembly on the base frame assembly to a required plane angle, and then the clamping assembly slides on the sliding assembly to a required position and is fixed, so that the position of the end or edge of the gypsum board to be measured is at the mechanical center of the board flexural tester, thereby ensuring the accuracy of the test and measurement, and meeting the requirements for obtaining the end hardness or edge hardness data according to the specification test and measurement.

Description

Technical Field

[0001] The invention relates to a special clamp for measuring the hardness of an end and an edge of a gypsum board, belonging to the technical field of measuring equipment. Background Art

[0002] Gypsum board is a board made of building gypsum as the main raw material, with appropriate amount of additives and fiber as the board core, and special board paper as the surface. Gypsum board has the advantages of light weight, sound insulation, heat insulation, strong processing performance, and simple construction method. After the production of gypsum board is completed, it needs to be tested for hardness. The inspection of gypsum board should not only test the middle position that is convenient for testing in the board flexural test machine, but also measure the hardness of the end and edge of the gypsum board.

[0003] At present, when gypsum board is tested on a board flexural tester, it is difficult to move the end and edge to the mechanical center of the board flexural tester, the test accuracy cannot be guaranteed, and it is difficult to test the end hardness and edge hardness according to the specification; for example, a gypsum board surface hardness test method and device disclosed in Chinese patent No. 2014105388901, a rectangular fixing groove or fixing connector is provided on the upper surface of the rigid bottom plate 5; used to fix the gypsum board sample. Although the position of the gypsum board sample can be moved when the fixing groove is used, there is still a situation where the edge is not at the mechanical center of the board flexural tester when measuring the hardness. Summary of the invention

[0004] In order to solve the above technical problems, the present invention provides a special fixture for measuring the hardness of the end and edge of a gypsum board.

[0005] The present invention is achieved through the following technical solutions.

[0006] The present invention provides a special clamp for measuring the hardness of the end and edge of a gypsum board, comprising: a clamping assembly for clamping the gypsum board, a sliding assembly on which the clamping assembly slides and is fixed at a fixed point, a rotating member for driving the sliding assembly to rotate, and a base frame assembly for fixing to a support of a board flexure testing machine, wherein the rotating member is detachably fixedly mounted on the base frame assembly.

[0007] The clamping assembly clamps the gypsum board, and then the rotating part drives the sliding assembly on the base assembly to the required plane angle, and then the clamping assembly slides on the sliding assembly to the required position and is fixed, so that the position of the gypsum board end or edge to be measured is located at the mechanical center of the board flexural testing machine, ensuring the accuracy of the test measurement and meeting the requirements of obtaining the end hardness or edge hardness data according to the specification test measurement.

[0008] The rotating member is a rotating motor that can drive the sliding assembly to rotate. The rotating output shaft of the rotating motor is fixed on the sliding assembly, and the rotating motor housing is fixed on the base frame assembly.

[0009] The clamping assembly comprises two clamping plates for clamping the gypsum board and bolts for clamping and fixing the two clamping plates. The clamping plates are provided with through holes, and the bolts penetrate through the through holes and are tightened by nuts.

[0010] The through holes on the clamping plate are arranged at four corners, and the bolts are four in number and penetrate through the four through holes.

[0011] The sliding assembly includes a limiting column and a slide track member. The slide track member is provided with a slide, and a plurality of through holes arranged at intervals are provided on the side of the slide. The bottom of the clamp is provided with a plurality of through holes arranged at intervals corresponding to the side of the slide. After the two clamps, bolts and nuts clamp the gypsum board, it slides to the required position, and then the limiting column penetrates the through holes on the side of the slide of the clamp and the slide track member to position and fix the clamp.

[0012] The number of the limiting columns is consistent with the number of the through holes on the slide slot.

[0013] The rotating member is fixedly connected by welding to the middle part of the bottom surface of the slideway track member of the sliding assembly.

[0014] The slide track member is an I-beam.

[0015] The base frame assembly includes a crossbeam, two crossbars, and four spiral chucks. The two ends of the crossbeam can be slidably mounted on two spaced crossbars. The crossbeam is provided with through holes that are penetrated by screws and fixed to the crossbars. The spiral chucks are fixed to the four ends of the two crossbars and are fixedly connected to the support of the plate flexural testing machine through the four spiral chucks.

[0016] The rotating member casing is fixedly connected to the crossbeam of the base frame assembly.

[0017] The beneficial effects of the present invention are as follows: the gypsum board is clamped between two clamping plates by bolts and nuts, and then the edges of the two clamping plates slide in the slide groove of the slide groove track member; the limiting column penetrates through the through holes on the sides of the slide groove of the clamping plate and the slide groove track member to position and fix the clamping plate; the rotating member drives the slide groove track member to rotate on the working plane of the plate flexural testing machine to the required plane angle, so that the position of the gypsum board end or edge to be measured is located at the mechanical center of the plate flexural testing machine, thereby ensuring the accuracy of the test measurement and meeting the requirements of obtaining the end hardness or edge hardness data according to the standard test measurement. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the main structure of the present invention;

[0019] Figure 2It is a schematic diagram of the top view of the structure of the present invention in use;

[0020] In the figure: 1-screw; 2-support of the plate bending tester; 3-screw chuck; 4-clamp; 5-rotating part; 6-bolt; 7-cross bar; 8-limiting column; 9-slide track part; 10-cross beam. DETAILED DESCRIPTION

[0021] The technical solution of the present invention is further described below, but the scope of protection claimed is not limited to the description.

[0022] See also Figure 1 to Figure 2 shown.

[0023] The present invention discloses a special fixture for measuring the end hardness and edge hardness of a gypsum board, comprising: a clamping assembly for clamping the gypsum board, a sliding assembly on which the clamping assembly slides and is fixed at a fixed point, a rotating member 5 for driving the sliding assembly to rotate, and a base frame assembly for fixing to a support 2 of a board flexure testing machine, wherein the rotating member 5 is detachably fixedly mounted on the base frame assembly.

[0024] Working principle: the clamping assembly clamps the gypsum board, and then the rotating part 5 drives the sliding assembly on the base assembly to the required plane angle, and then the clamping assembly slides on the sliding assembly to the required position and is fixed, so that the position of the gypsum board to be measured and tested end or edge is in the mechanical center of the board flexural testing machine, ensuring the accuracy of the test measurement and meeting the requirements of obtaining the end hardness or edge hardness data according to the specification test measurement.

[0025] The rotating member 5 is a rotating motor that can drive the sliding assembly to rotate, the rotating output shaft of the rotating motor is fixed on the sliding assembly, and the rotating motor housing is fixed on the base assembly. The rotating member 5 can also be any mechanical mechanism or device that can rotate.

[0026] The clamping assembly includes two clamping plates 4 for clamping the gypsum board and bolts 6 for clamping and fixing the two clamping plates 4. The clamping plates 4 are provided with through holes, and the bolts 6 penetrate through the through holes and are tightened by nuts.

[0027] The through holes on the clamping plate 4 are arranged at four corners, and the bolts 6 are four in number and penetrate through the four through holes.

[0028] The sliding assembly includes a limiting column 8 and a slide track member 9. The slide track member 9 is provided with a slide, and a plurality of through holes are arranged at intervals on the side of the slide. The bottom of the clamping plate 4 is provided with a plurality of through holes arranged at intervals corresponding to the side of the slide. After the two clamping plates 4, bolts and nuts clamp the gypsum board, it slides to the required position, and then the limiting column 8 passes through the through holes on the side of the slide of the clamping plate 4 and the slide track member 9 to position and fix the clamping plate 4.

[0029] The number of the limiting columns 8 is consistent with the number of the through holes on the slide slot.

[0030] The rotating member 5 is fixedly connected by welding to the middle of the bottom surface of the slideway track member 9 of the sliding assembly.

[0031] The chute track member 9 is an I-beam.

[0032] The base frame assembly includes a crossbeam 10, two crossbars 7, and four spiral chucks 3. The two ends of the crossbeam 10 can be slidably mounted on two spaced crossbars 7. The crossbeam 10 is provided with through holes that are penetrated by screws 1 and fixed to the crossbars 7. The spiral chucks 3 are fixed to the four ends of the two crossbars 7 and are fixedly connected to the support 2 of the plate flexural testing machine through the four spiral chucks 3.

[0033] The housing of the rotating member 5 is fixedly connected to the crossbeam 10 of the base frame assembly.

[0034] Four spiral chucks 3 are clamped and fixedly connected with the support 2 of the board flexure testing machine, the gypsum board is clamped between the two clamps 4 by bolts 6 and nuts, and then the edges of the two clamps 4 slide in the slide groove of the slide groove track member 9; the limit column 8 passes through the through holes on the sides of the clamps 4 and the slide groove track member 9 to position and fix the clamps 4; the rotating member 5 drives the slide groove track member 9 to rotate on the working plane of the board flexure testing machine to the required plane angle, so that the position of the gypsum board to be measured and detected The end or edge is at the mechanical center of the board flexure testing machine, ensuring the accuracy of the test measurement and meeting the requirements of obtaining the end hardness or edge hardness data in accordance with the specification.

Claims

1. A special fixture for measuring the hardness of the end and edge of gypsum board, characterized in that: include: A clamping assembly for clamping a gypsum board, a sliding assembly on which the clamping assembly slides and is fixed at a fixed point, a rotating member (5) for driving the sliding assembly to rotate, and a base frame assembly for fixing to a support (2) of a board flexural testing machine, wherein the rotating member (5) is detachably fixedly mounted on the base frame assembly.

2. The special fixture for measuring the end hardness and edge hardness of gypsum board according to claim 1, characterized in that: The rotating member (5) is a rotating motor capable of driving the sliding assembly to rotate.

3. The special fixture for measuring the end hardness and edge hardness of gypsum board according to claim 2, characterized in that: The clamping assembly comprises two clamping plates (4) for clamping the gypsum board and bolts (6) for clamping and fixing the two clamping plates (4). The clamping plates (4) are provided with through holes, and the bolts (6) penetrate through the through holes and are tightened by nuts.

4. The special fixture for measuring the end hardness and edge hardness of gypsum board according to claim 3, characterized in that: The through holes on the clamping plate (4) are arranged at four corners, and the bolts (6) are four in number and penetrate through the four through holes.

5. The special fixture for measuring the end hardness and edge hardness of gypsum board according to claim 1 or 3, characterized in that: The sliding assembly comprises a limiting column (8) and a slide groove track member (9); the slide groove track member (9) is provided with a slide groove, and a plurality of through holes arranged at intervals are provided on the side of the slide groove; the bottom of the clamping plate (4) is provided with a plurality of through holes arranged at intervals corresponding to the side of the slide groove; the limiting column (8) penetrates through the through holes on the side of the slide groove of the clamping plate (4) and the slide groove track member (9) to position and fix the clamping plate (4).

6. The special fixture for measuring the end hardness and edge hardness of gypsum board according to claim 5, characterized in that: The number of the limiting columns (8) is consistent with the number of the through holes on the slide groove.

7. The special fixture for measuring the end hardness and edge hardness of gypsum board according to claim 5, characterized in that: The rotating member (5) is fixedly connected to the slide groove track member (9).

8. The special fixture for measuring the end hardness and edge hardness of gypsum board according to claim 5, characterized in that: The chute track member (9) is an I-beam.

9. The special fixture for measuring the end hardness and edge hardness of gypsum board according to claim 5, characterized in that: The base frame assembly comprises a cross beam (10), two cross bars (7), and four spiral chucks (3). The two ends of the cross beam (10) can be slidably mounted on two cross bars (7) that are spaced apart. The cross beam (10) is provided with through holes that are penetrated by screws (1) and fixed to the cross bars (7). The spiral chucks (3) are fixed to the four ends of the two cross bars (7).

10. The special fixture for measuring the end hardness and edge hardness of gypsum board according to claim 9, characterized in that: The housing of the rotating member (5) is fixedly connected to the crossbeam (10).

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