A reinforcement fixture, an adhesion tester and an adhesion detection method

Abstract

The present invention discloses a reinforcing clamp, comprising: a first clamp; at least one reinforcing rod for passing through a gypsum board is arranged on the first clamp. An adhesion tester comprises a reinforcing clamp, and further comprises: a bracket, an upper clamp, a lower clamp and a weight plate; when the adhesion tester is in a detection state, the upper clamp clamps the first end of the gypsum board, the lower clamp clamps the second end of the gypsum board, and the reinforcing rod of the reinforcing clamp passes through the gypsum board. An adhesion detection method comprises the steps of: cutting a slit on the gypsum board to obtain a first part and a second part of the gypsum board; installing the reinforcing clamp on the first part of the gypsum board; using an upper clamp and a lower clamp to clamp the first end and the second end of the gypsum board respectively; gradually adding weights on the weight plate to tear off the face paper. The present invention increases the strength of the gypsum board by arranging the reinforcing clamp on the gypsum board, avoids its breakage during the detection process, and improves the detection efficiency.

Description

Technical Field

[0001] The invention relates to the technical field of adhesion measurement of gypsum board, and in particular to a reinforcement clamp, an adhesion measurement instrument and an adhesion detection method. Background Art

[0002] Paper-faced gypsum board is 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 face paper. The board is processed and made of board material, that is, the face paper is laid on both ends of the board core. Paper-faced gypsum board has the characteristics of light weight, sound insulation, heat insulation, strong processing performance and simple construction method.

[0003] Only when there is good adhesion between the facing paper and the board core can the paper-faced gypsum board have a high overall strength of the board. Therefore, it is generally necessary to test the adhesion between the facing paper and the board core.

[0004] In the prior art, the commonly used instrument for measuring the adhesion between the face paper and the core is to install the upper end of the gypsum board on the bracket of the instrument through the upper clamp, and the lower end of the gypsum board with a slit and bend is fixed with a lower clamp, and the lower clamp is provided with a weight plate for placing weights, and the number of weights on the weight plate is gradually increased, thereby increasing the load until the face paper is torn off from the core. However, since the thickness of the gypsum board is generally 9.5mm or 12mm, the breaking load value of the gypsum board is not high. In the process of gradual loading, the gypsum board is very easy to break due to excessive load, but at this time the face paper is not torn off from the core, resulting in the inability to measure the adhesion between the face paper and the core, which greatly affects the detection efficiency. Summary of the invention

[0005] The purpose of the present invention is to provide a reinforcing fixture, an adhesion tester and an adhesion testing method. The reinforcing fixture is arranged on the gypsum board to play a reinforcement effect, which can improve the strength of the gypsum board and increase its breaking load value. In the process of testing the adhesion between the facing paper and the board core, it can be ensured that the gypsum board will not break due to overload before the facing paper is torn off the board core.

[0006] The technical solution provided by the present invention is as follows:

[0007] A reinforcing clamp comprises a first clamping plate; the first clamping plate is provided with at least one reinforcing rod for passing through a gypsum board.

[0008] When measuring the adhesion of gypsum board, the strength of the gypsum board is strengthened by inserting the reinforcing rod into the gypsum board, which has a reinforcing effect. When the weight is added to the weight plate, the first part of the gypsum board, that is, the upward part of the cut part of the gypsum board, is not easy to break due to excessive force, thereby ensuring the smooth measurement of the adhesion between the face paper and the board core, and improving the detection efficiency.

[0009] Preferably, one end of the reinforcing rod away from the first clamping plate is pointed.

[0010] One end of the reinforcement rod is set to a pointed head. Compared with a flat head or a round head, it is easier to drive the reinforcement rod into the gypsum board with a hammer or other tools, thereby reducing the difficulty of installing the reinforcement clamp on the gypsum board and improving the installation efficiency of the reinforcement clamp.

[0011] Preferably, the reinforcement clamp also includes: a second plywood, the second plywood is provided with at least one reinforcement hole for the reinforcement rod to pass through, and the reinforcement hole corresponds to the reinforcement rod one-to-one; when the first plywood and the second plywood are in an assembled state, the reinforcement rod is located in the reinforcement hole, and a reinforcement area for accommodating the paper-faced gypsum board is formed between the first plywood and the second plywood.

[0012] The first clamping plate cooperates with the second clamping plate so that after the reinforcement rod passes through the gypsum board, the tip of the reinforcement rod is inserted into the reinforcement hole at the corresponding position of the second clamping plate. The first clamping plate and the second clamping plate clamp the gypsum board to prevent the gypsum board from falling off the reinforcement rod.

[0013] An adhesion tester includes a reinforcement clamp and also includes: a bracket; an upper clamp arranged on the bracket for clamping the first end of a gypsum board; a lower clamp for clamping the second end of the gypsum board, wherein the lower clamp is provided with a weight plate for placing weights; when the adhesion tester is in a detection state, the upper clamp clamps the first end of the gypsum board, the lower clamp clamps the second end of the gypsum board, and the reinforcement rod of the reinforcement clamp passes through the gypsum board and is arranged near the first end of the gypsum board.

[0014] In the above structure, when measuring the adhesion between the facing paper and the board core, the reinforcement clamp is installed at the first end of the gypsum board to reinforce the strength of the first end of the gypsum board. When the weights are gradually added to the weight plate, the reinforcement rod of the reinforcement clamp can transfer the tension of the gypsum board to the first clamping plate, thereby preventing the gypsum board from breaking due to excessive force, ensuring that the adhesion test between the facing paper and the board core can be carried out smoothly, and improving the test efficiency.

[0015] Preferably, the bracket includes a base and a supporting column, and the supporting column is vertically arranged on the base; the upper clamp is connected to the supporting column via a height adjustment structure, and the upper clamp is adjusted along the extension direction of the supporting column.

[0016] By connecting the support column and the upper clamp through a height adjustment structure, the height of the upper clamp in the vertical direction can be adjusted. Since the sizes of the gypsum boards to be measured are different, the height of the upper clamp can be adjusted to accommodate gypsum boards of various sizes.

[0017] Preferably, the height adjustment structure is an annular hoop with an open end, and the open end of the annular hoop is provided with two oppositely arranged connecting ear plates. The two connecting ear plates are locked by connecting bolts, so that the annular hoop is clamped on the supporting column.

[0018] A method for detecting adhesion, using an adhesion tester, comprises the following steps: S10: cutting a slit on the gypsum board and bending the gypsum board at the slit to obtain a first part of the gypsum board and a second part of the gypsum board, wherein the first part of the gypsum board is a part from the first end of the gypsum board to the slit, and the second part of the gypsum board is a part from the second end of the gypsum board to the slit; S20: installing a reinforcing clamp on the first part of the gypsum board so that the axis of the reinforcing rod of the reinforcing clamp is parallel to the width direction of the gypsum board, and along the length direction of the first clamp, the length of the first part of the gypsum board is greater than the length of the reinforcing clamp; S30: clamping the first end of the gypsum board with an upper clamp; S40: clamping the second end of the gypsum board with a lower clamp; S50: gradually adding weights on a weight plate to tear the face paper off the core material.

[0019] In the above method, before adding weights to the weight plate, a reinforcement clamp is added to the first part of the gypsum board, so that when the gypsum board is subjected to tension, the tension can be transmitted to the first clamping plate through the reinforcement rod, thereby strengthening the strength of the gypsum board, preventing the gypsum board from breaking during the measurement process, and improving the detection efficiency.

[0020] Preferably, in step S20, a hammer is used to knock the tip of the reinforcement rod into the gypsum board.

[0021] Preferably, in step S20, the gypsum board is clamped by using the first clamping plate and the second clamping plate of the reinforcement clamp so that the tip of the reinforcement rod extends into the corresponding reinforcement hole on the second clamping plate.

[0022] Since the tensile force applied to the gypsum board can be transmitted to the first plywood through the reinforcement rod, and since the pointed end of the reinforcement rod will also extend into the reinforcement hole on the second plywood, the force applied to the reinforcement rod will also be transmitted to the second plywood. At this time, the first plywood and the second plywood are subjected to force together, and the force applied at the connection between the first plywood and the reinforcement rod can also be reduced, thereby preventing the two from breaking at the connection.

[0023] The reinforcement fixture, adhesion tester and adhesion detection method provided by the present invention can bring the following beneficial effects:

[0024] The present invention designs a reinforcing fixture for testing the adhesion of a gypsum board. A reinforcing rod of the reinforcing fixture extends into the gypsum board, and the tensile force applied to the gypsum board during the test is transferred to a first clamping plate through the reinforcing rod, thereby achieving a reinforcement effect, preventing the gypsum board from breaking during the test and improving the test efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] The preferred implementation scheme will be described below in a clear and understandable manner with reference to the accompanying drawings, and the above-mentioned characteristics, technical features, advantages and implementation methods of the reinforcement clamp, adhesion tester and adhesion detection method will be further explained.

[0026] Figure 1 It is a schematic diagram of the structure of the adhesion tester;

[0027] Figure 2 is a structural schematic diagram of the reinforcement fixture;

[0028] Figure 3 yes Figure 2 Schematic diagram of the structure after the reinforcement fixture is assembled;

[0029] Figure 4 yes Figure 1 A schematic diagram of the structure of the upper fixture;

[0030] Figure 5 yes Figure 1 Schematic diagram of the structure at the lower fixture.

[0031] Description of Figure Numbers:

[0032] 1a-base, 1b-support column, 2-height adjustment structure, 3-upper clamp, 3a-upper support plate, 3b-first upper clamp, 3c-upper positioning plate, 3d-upper threaded rod, 3e-second upper clamp, 3f-upper hand grip, 4-lower clamp, 4a-first part of the first lower clamp, 4b-second part of the first lower clamp, 4c-lower positioning plate, 4d-second lower clamp, 4e-lower threaded rod, 4f-lower hand grip, 5-weight plate, 6-reinforcement clamp, 6a-first clamp, 6b-reinforcement rod, 6c-second clamp, 6d-reinforcement hole, 6e-reinforcement area, 7a-first part of gypsum board, 7b-second part of gypsum board. DETAILED DESCRIPTION

[0033] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the specific implementation methods of the present invention will be described below with reference to the accompanying drawings. Obviously, the accompanying drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings and other implementation methods can be obtained based on these drawings without creative work.

[0034] In order to simplify the drawings, each figure only schematically shows the parts related to the present invention, which do not represent the actual structure of the product.

[0035] [Example 1]

[0036] like Figure 2 and Figure 3 As shown, Example 1 discloses a reinforcing clamp 6 for increasing the strength of a gypsum board, comprising a first plywood 6a, on which are provided 7 mutually parallel reinforcing rods 6b for passing through the gypsum board, the reinforcing rods 6b being evenly arranged on the first plywood 6a, and the reinforcing rods 6b are all arranged on the same side of the first plywood 6a.

[0037] Of course, the number of the reinforcement rods 6b is not limited to 7, and may be other numbers. The more the number of the reinforcement rods 6b is, the better the effect of improving the strength of the gypsum board is.

[0038] like Figure 2 As shown, the reinforcing rod 6b is arranged perpendicular to the first clamping plate 6a, and the reinforcing rod 6b is a straight rod. The end of the reinforcing rod 6b away from the first clamping plate 6a is a pointed tip, so that when the reinforcing fixture 6 is installed on the gypsum board, it is more convenient to drive the reinforcing rod 6b into the gypsum board.

[0039] like Figure 2 and Figure 3 As shown, it also includes a second clamping plate 6c, and the second clamping plate 6c is provided with 7 reinforcement holes 6d, and the positions of the reinforcement holes 6d and the reinforcement rods 6b correspond one by one, as shown in FIG. Figure 3 As shown, when the first clamping plate 6a and the second clamping plate 6c are close to each other, the tip of the reinforcement rod 6b can extend into the reinforcement hole 6d at the corresponding position, thereby connecting the first clamping plate 6a and the second clamping plate 6c through the reinforcement rod 6b.

[0040] like Figure 3 As shown, when the first clamping plate 6a and the second clamping plate 6c are in an assembled state, the end of the reinforcement rod 6b away from the first clamping plate 6a is located in the reinforcement hole 6d, and a reinforcement area 6e for accommodating the paper-faced gypsum board is formed between the first clamping plate 6a and the second clamping plate 6c.

[0041] The above structure is used as follows:

[0042] Align the tip of the reinforcing rod 6b on the first clamping plate 6a with the side of the gypsum board, and use a hammer or other tool to drive the tip into the gypsum board, so that the tip of the reinforcing rod 6b extends out of the gypsum board from the other side of the gypsum board where the reinforcing rod 6b is driven, and then extend the tip of the reinforcing rod 6b into the corresponding reinforcing hole 6d of the second clamping plate 6c, so that the first clamping plate 6a and the second clamping plate 6c clamp the gypsum board, and the gypsum board is located in the reinforcement area 6e. At this time, Figure 2 As shown, the axis of the reinforcing rod 6b is parallel to the width direction of the gypsum board, and the plane where the first clamping plate 6a and the second clamping plate 6c are located is parallel to the length direction of the gypsum board.

[0043] When the gypsum board is being measured, since the gypsum board will be subjected to tension, the tension applied to the gypsum board will be transmitted to the first plywood 6a and the second plywood 6c through the reinforcement rod 6b, so that the first plywood 6a and the second plywood 6c can help the gypsum board to bear part of the tension and avoid the gypsum board from breaking. Therefore, the gypsum board equipped with the reinforcement clamp 6 can increase its strength, thereby ensuring that the gypsum board will not break during testing.

[0044] [Example 2]

[0045] like Figure 1 As shown, Example 2 discloses an adhesion tester for measuring the adhesion between the face paper and the core of the gypsum board, comprising the reinforcement fixture 6 described in Example 1, and further comprising: a bracket, a first end ( Figure 1 The upper clamp 3 is used to clamp the second end ( Figure 1 A lower clamp 4 is provided on the lower end of the gypsum board, and a weight plate 5 is arranged on the lower clamp 4, and the weight plate 5 is used for placing weights.

[0046] like Figure 1 As shown, the gypsum board has a slit, which divides the gypsum board into a first part 7a of the gypsum board and a second part 7b of the gypsum board. The first part 7a of the gypsum board is the part from the first end of the gypsum board to the slit, and the second part 7b of the gypsum board is the part from the second end of the gypsum board to the slit.

[0047] like Figure 1 As shown, when the adhesion tester is in the detection state, the upper clamp 3 clamps the first end of the gypsum board, the lower clamp 4 clamps the second end of the gypsum board, and the reinforcing rod 6b of the reinforcing clamp 6 passes through the gypsum board and is arranged near the first end of the gypsum board, that is, the reinforcing clamp 6 is arranged on the first part 7a of the gypsum board, and the specific position where the reinforcing clamp 6 is installed on the gypsum board is as described in Example 1.

[0048] Specifically, Figure 1 As shown, the bracket includes a base 1a and a support column 1b placed on a test bench or on the ground. The support column 1b is vertically arranged on the base 1a, and the upper clamp 3 is connected to the support column 1b through a height adjustment structure 2, so that the upper clamp 3 can be adjusted in height along the extension direction of the support column 1b.

[0049] The height adjustment mechanism is an annular hoop with an open end, and the open end of the annular hoop is provided with two connecting ear plates arranged opposite to each other, that is, a connecting ear plate is provided on both sides of the open end, and the two connecting ear plates are locked by connecting bolts, so that the annular hoop is clamped on the supporting column 1b. The upper clamp 3 is connected to the annular hoop.

[0050] When the height of the upper clamp 3 needs to be adjusted, loosen the connecting bolts, move the annular clamp to a suitable height on the supporting column 1b, and then use the connecting bolts to lock the two connecting ear plates.

[0051] Of course, the height adjustment structure 2 is not limited to the above structure. It is also possible to open a number of positioning holes along the vertical direction on the supporting column 1b, and then adjust the height position of the upper clamp 3 by connecting the upper clamp 3 to any positioning hole through bolts; it can also be a clip, and the clip is clamped on the supporting column 1b, and the upper clamp 3 is installed on the clip, which will not be repeated here.

[0052] like Figure 4 As shown, specifically, the upper clamp 3 includes an upper support plate 3a and a first upper clamp plate 3b which are arranged perpendicular to each other, the first upper clamp plate 3b is connected to the height adjustment structure 2, an upper positioning plate 3c is provided on the upper support plate 3a, the upper positioning plate 3c is arranged parallel to the first upper clamp plate 3b, and an upper threaded hole is opened on the upper positioning plate 3c. It also includes an upper threaded rod 3d, the upper threaded rod 3d passes through the upper threaded hole on the upper positioning plate 3c, and the external thread of the upper threaded rod 3d is engaged with the internal thread of the upper threaded hole. The first end of the upper threaded rod 3d is provided with a second upper clamp plate 3e, and the second end of the upper threaded rod 3d is provided with an upper grip portion 3f for the inspection personnel to hold. The second upper clamp plate 3e is arranged parallel to the first upper clamp plate 3b, and the first upper clamp plate 3b and the second upper clamp plate 3e are used to clamp the first end of the gypsum board. By holding the upper grip 3f and then rotating the upper threaded rod 3d, the upper threaded rod 3d drives the second upper clamping plate 3e to approach or move away from the first upper clamping plate 3b, thereby clamping or loosening the paper-faced gypsum board.

[0053] like Figure 5As shown, the lower clamp includes a first lower clamp plate and a lower positioning plate 4c. The first lower clamp plate is L-shaped, and is divided into a first part 4a of the first lower clamp plate and a second part 4b of the first lower clamp plate, and the first part 4a of the first lower clamp plate is perpendicular to the second part 4b of the first lower clamp plate, the lower positioning plate 4c is arranged on the second part 4b of the first lower clamp plate, and the extension direction of the lower positioning plate 4c is the same as the extension direction of the first part 4a of the first lower clamp plate, and the lower positioning plate 4c is provided with a lower threaded hole. It also includes a lower threaded rod 4e, the lower threaded rod 4e passes through the lower threaded hole, and the outer thread of the lower threaded rod 4e is meshed with the inner thread of the lower threaded hole, the first end of the lower threaded rod 4e is provided with a second lower clamp plate 4d, the second end of the lower threaded rod 4e is provided with a lower hand grip 4f, and the second lower clamp plate 4d is parallel to the first part 4a of the first lower clamp plate. The first part 4a of the first lower clamping plate and the second lower clamping plate 4d are used to clamp the second end of the gypsum board. By holding the lower grip 4f and rotating the lower threaded rod 4e, the lower threaded rod 4e drives the second lower clamping plate 4d to approach or move away from the first part 4a of the first lower clamping plate, thereby clamping or releasing the gypsum board. The weight plate 5 is connected to the second part 4b of the first lower clamping plate.

[0054] [Example 3]

[0055] Example 3 discloses a method for detecting adhesion between the face paper and the core of a gypsum board, and the adhesion tester disclosed in Example 2 is used for the test, comprising the following steps:

[0056] S10: cutting a slit on the gypsum board and bending the gypsum board at the slit to obtain a first portion 7a of the gypsum board and a second portion 7b of the gypsum board, wherein the first portion 7a of the gypsum board is a portion from the first end of the gypsum board to the slit, and the second portion 7b of the gypsum board is a portion from the second end of the gypsum board to the slit;

[0057] S20: Install the reinforcing fixture 6 at the first portion 7a of the gypsum board, so that the axis of the reinforcing rod 6b of the reinforcing fixture 6 is parallel to the width direction of the gypsum board, and along the length direction of the first clamping plate 6a, the length of the first portion 7a of the gypsum board is greater than the length of the reinforcing fixture 6;

[0058] S30: clamping the first end of the gypsum board with the upper clamp 3;

[0059] S40: Clamp the second end of the gypsum board with the lower clamp 4;

[0060] S50: gradually adding weights to the weight plate 5 to tear the face paper off from the core material.

[0061] In step S20, the inspection personnel use a hammer to knock the tip of the reinforcing rod 6b into the gypsum board. The first clamping plate 6a and the second clamping plate 6c of the reinforcing clamp 6 clamp the gypsum board, and the tip of the reinforcing rod 6b extends out of the gypsum board and extends into the corresponding reinforcing hole 6d on the second clamping plate 6c.

[0062] In the adhesion testing method described in this embodiment, before applying tension to the gypsum board, the reinforcement clamp 6 is installed on the first part 7a of the gypsum board, thereby increasing the overall strength of the first part 7a of the gypsum board. By gradually adding weights to the weight plate 5 to increase the load, it can be ensured that the first part 7a of the gypsum board will not break before the facing paper is torn off from the core of the board, thereby ensuring the smooth progress of the adhesion test and improving the test efficiency.

[0063] It should be noted that the above embodiments can be freely combined as needed. The above is only a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the principle of the present invention, and these improvements and modifications should also be considered as the protection scope of the present invention.

Claims

1. An adhesion tester, characterized in that: include: A reinforcement clamp, comprising a first clamping plate and a second clamping plate, wherein the first clamping plate is provided with at least one reinforcement rod for passing through a gypsum board, and the axis of the reinforcement rod of the reinforcement clamp is parallel to the width direction of the gypsum board; the second clamping plate is provided with at least one reinforcement hole for the reinforcement rod to pass through, and the reinforcement holes correspond to the reinforcement rods one by one; when the first clamping plate and the second clamping plate are in an assembled state, the reinforcement rod is located in the reinforcement hole, and a reinforcement area for accommodating the gypsum board is formed between the first clamping plate and the second clamping plate; Bracket; An upper clamp disposed on the bracket for clamping the first end of the gypsum board; A lower clamp for clamping the second end of the gypsum board, wherein the lower clamp is provided with a weight plate for placing a weight; When the adhesion tester is in a testing state, the upper clamp clamps the first end of the gypsum board, the lower clamp clamps the second end of the gypsum board, and the reinforcement rod of the reinforcement clamp passes through the gypsum board and is arranged near the first end of the gypsum board.

2. The adhesion tester according to claim 1, characterized in that: One end of the reinforcing rod away from the first clamping plate is a pointed end.

3. The adhesion tester according to claim 1, characterized in that: The support comprises a base and a supporting column, wherein the supporting column is vertically arranged on the base; The upper clamp is connected to the supporting column via a height adjustment structure, and the upper clamp is adjusted along the extending direction of the supporting column.

4. The adhesion tester according to claim 3, characterized in that: The height adjustment structure is an annular hoop with an open end, and the open end of the annular hoop is correspondingly provided with two connecting ear plates arranged opposite to each other. The two connecting ear plates are locked by connecting bolts, so that the annular hoop is clamped on the supporting column.

5. A method for detecting adhesion, using the adhesion tester according to any one of claims 1 to 4, characterized in that: The steps include: S10: cutting a slit on the gypsum board and bending the gypsum board at the slit to obtain a first portion of the gypsum board and a second portion of the gypsum board, wherein the first portion of the gypsum board is a portion from the first end of the gypsum board to the slit, and the second portion of the gypsum board is a portion from the second end of the gypsum board to the slit; S20: installing a reinforcing clamp at the first portion of the gypsum board, so that the axis of the reinforcing rod of the reinforcing clamp is parallel to the width direction of the gypsum board, and along the length direction of the first clamp, the length of the first portion of the gypsum board is greater than the length of the reinforcing clamp; S30: clamping the first end of the gypsum board with an upper clamp; S40: Clamp the second end of the gypsum board with the lower clamp; S50: Gradually add weights to the weight plate to tear the face paper off the core material.

6. The adhesion detection method according to claim 5, characterized in that: In step S20, a hammer is used to knock the tip of the reinforcement rod into the gypsum board.

7. The adhesion detection method according to claim 5, characterized in that: In the step S20, the first clamping plate and the second clamping plate of the reinforcement clamp are used to clamp the gypsum board so that the tip of the reinforcement rod extends into the corresponding reinforcement hole on the second clamping plate.

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