Device for detecting water absorption thickness swelling rate of artificial board

Abstract

The utility model relates to the technical field of artificial board detection, in particular to an artificial board water absorption thickness swelling rate detection device which comprises a constant-temperature water tank, a fixing device used for fixing a test piece is installed on the constant-temperature water tank, and the fixing device comprises a connecting assembly fixed to the constant-temperature water tank. A clamping device capable of moving up and down in the vertical direction is installed on the connecting assembly, and a bottom box is installed on the connecting assembly and located below the clamping device. The clamping device comprises an adjusting rod which is transversely arranged, and a plurality of partition plates with adjustable intervals are installed on the adjusting rod. Compared with the prior art, by arranging the fixing device, the technical problems that existing equipment cannot adapt to two detection methods published in the standard GB / T17657-2013 at the same time, and universality is poor are solved.

Description

TECHNICAL FIELD

[0001] The utility model discloses a kind of artificial board detection technical field, specifically is artificial board water absorption thickness expansion rate detection device. BACKGROUND

[0002] Artificial board is with wood or other non-wood plants as raw material, after certain mechanical processing separation into various unit materials, it is glued with or without adhesive and other additives. Mainly including plywood, particle (fluff) board and fiberboard three major categories of products, its extension products and deep processing products reach hundreds of kinds.

[0003] Water absorption thickness expansion rate is an important parameter of artificial board physical and chemical properties, for laminate flooring, the greater its strength decreases after being wet, and the same for medium density fiberboard, particle board and other artificial board. Therefore, it is necessary to control the water absorption thickness expansion rate of artificial board. And the determination of artificial board water absorption thickness expansion rate also has its corresponding standard. At present, the determination of artificial board water absorption thickness expansion rate is carried out according to the standard GB / T17657-2013. This standard is also the principle of determining whether the artificial board product is qualified or not. The standard GB / T17657-2013 gives the determination method of artificial board water absorption thickness expansion rate, and the test is generally carried out in constant temperature water tank.

[0004] The standard GB / T17657-2013 points out two kinds of measurement methods. The first kind is to immerse the test piece completely into water, the surface of the test piece is perpendicular to the horizontal, and the surface of the test piece and the constant temperature water tank are kept at least 15mm apart. The second kind is to take samples according to the provisions, and then immerse the lower half of the test piece 50mm into water, and the part immersed in water also needs to keep at least 15mm distance from the inner wall of the constant temperature water tank.

[0005] Some test devices are disclosed in the prior art to adapt to the above two detection methods. For example, a device for testing the water absorption thickness expansion rate of artificial board is disclosed in patent No. CN202120405202. X, which includes a handle; upper box body; handle is arranged on the upper box body; base box body; base box body has a leg slot, upper box body has a leg that can be inserted into the leg slot; when the leg is inserted into the leg slot, the upper box body and the base box body support form an independent space for placing artificial board test piece. The device can trap the test piece into the box body, and then immerse the whole device into water, which is applied to the first detection method, but it cannot adapt to the second detection method, because the device cannot make the test piece partially immerse in water.

[0006] There is a kind of artificial board water absorption thickness expansion rate test device disclosed by patent No. CN201720847065.9, which comprises a constant-temperature water tank, the constant-temperature water tank is detachably connected with a positioning device through a supporting device, and the positioning device is used for clamping the artificial board to be measured so that at least part of the artificial board is immersed in water in the constant-temperature water tank. The artificial board water absorption thickness expansion rate test device can obtain more accurate thickness expansion rate of the artificial board, and is suitable for the second detection method, but when adapting to the first detection method, because the positioning device must tightly and firmly clamp the test piece, and because the test piece cannot be in good contact with the water body at the contact position between the test piece and the positioning device when the test piece is completely immersed in water, the overall water absorption expansion rate of the test piece is affected.

[0007] Therefore, the test device for the artificial board water absorption thickness expansion rate on the market cannot simultaneously adapt to the two detection methods disclosed in the standard GB / T17657-2013, and the universality is poor. Utility model content

[0008] The utility model intends to provide artificial board water absorption thickness expansion rate detection device, and mainly solves the technical problem that the existing equipment cannot simultaneously adapt to the two detection methods disclosed in the standard GB / T17657-2013, and the universality is poor.

[0009] To solve the above technical problem, the utility model provides the following technical scheme:

[0010] The artificial board water absorption thickness expansion rate detection device comprises a constant-temperature water tank, a fixing device for fixing a test piece is installed on the constant-temperature water tank, the fixing device comprises a connecting assembly fixed on the constant-temperature water tank, a clamping device that can move up and down along the vertical direction is installed on the connecting assembly, and a bottom box is installed on the connecting assembly and below the clamping device.

[0011] The utility model has the beneficial effects:

[0012] The fixing device is installed on the constant-temperature water tank, and a containing space is formed between the bottom box and the clamping device.

[0013] When operating the first detection method, then the test piece is placed on the bottom box, the spacing of the baffle is adjusted, the test piece is placed in the space formed by adjacent baffles (the test piece and the baffle maintain appropriate spacing), finally the spacing between the clamping device and the bottom box is adjusted, so that the test piece is pressed into the water and the surface is perpendicular to the water surface (the test piece and the adjusting rod also maintain appropriate spacing), after soaking for a specified time, the clamping device is adjusted upwards, the test piece is taken out, the surface moisture is wiped dry, and the expansion rate is measured.

[0014] In the operation of the second detection method, the test piece is placed between the partitions, and then the spacing of the partitions is adjusted so that the partitions form a clamping force on the upper end of the test piece, and then the clamping device is adjusted downward so that the lower end of the test piece is immersed in water for 50mm, and after soaking for a specified time, the clamping device is adjusted upward, the test piece is taken out, the surface water is wiped off, and the expansion rate of the measurement point is measured.

[0015] Compared with the prior art, the artificial board water absorption thickness expansion rate detection device in the scheme can simultaneously meet the two detection methods published in the standard GB / T17657-2013, and solves the technical problem of poor universality of the prior art equipment.

[0016] Preferably, the bottom box comprises a first box body and a second box body, one side and the upper surface of the first box body and the second box body are open, the side openings of the first box body and the second box body are opposite, and the second box body is slidingly connected with the first box body. In the scheme, the first box body and the second box body are combined into a bottom box with four sides surrounded by a fence and a structure similar to a box by sliding connection, and the two can slide relative to each other, so that the accommodation space of the bottom box can be freely adjusted to adapt to test pieces of different sizes, and the side of the test piece can also be surrounded to prevent the test piece from floating out of the space between the partitions during soaking and unable to maintain a vertical state in the water.

[0017] Preferably, the side of the first box body and the second box body is provided with a plurality of first hollow holes, and the bottom surface of the first box body and the second box body is provided with a plurality of second hollow holes. In the scheme, the side and the bottom surface of the first box body and the second box body are hollow, which can make the water more easily flow into the bottom box, and on the other hand, it can reduce the contact area between the test piece and the bottom box, preventing the bottom box from interfering with the water absorption effect of the test piece.

[0018] Preferably, the outer bottom surface and the outer side surface of the second box body are in contact with the inner surface of the first box body, strip-shaped holes are formed on both sides of the first box body, protrusions are fixed on the outer surfaces of the two sides of the second box body in contact with the first box body, and the protrusions are inserted into and can slide in the strip-shaped holes. In the scheme, the first box body and the second box body are slidingly connected through the cooperation of the protrusions and the strip-shaped holes.

[0019] Preferably, the connecting assembly comprises two inverted U-shaped clamps clamped at the two ends of the constant-temperature water tank, and a connecting plate is fixedly connected to the upper surface of each clamp. One end of one of the connecting plates away from the clamp is fixedly connected with a slide rod, and the other end of the other connecting plate away from the clamp is threadedly connected with a first screw rod. The slide rod and the first screw rod are both vertically arranged; and the lower end of the slide rod is fixedly connected with the first box body.

[0020] Preferably, a second screw rod is threaded and connected at one end of the clamping plate outside the constant-temperature water tank, one end of the second screw rod is located between the clamping plate and the constant-temperature water tank, and the other end is fixed with a rotating handle. In this scheme, rotating the rotating handle can rotate the end of the second screw rod against the outer surface of the constant-temperature water tank, so that the connection between the clamping plate and the constant-temperature water tank is more stable.

[0021] Preferably, the clamping device comprises a sliding block slidingly connected to the sliding rod, and a fixed block threaded and connected to the first screw rod, and the two ends of the adjusting rod are rotatably connected to the sliding block and the fixed block respectively. In this scheme, rotating the first screw rod can make the fixed block move up and down on the first screw rod, thereby driving the adjusting rod to move up and down.

[0022] Preferably, the adjusting rod is cylindrical, and the surface of the adjusting rod is provided with threads, and a plurality of clamping grooves are arranged along the length direction of the adjusting rod and parallel to each other, and the opening directions of the clamping grooves are consistent; the partition plate is provided with a mounting hole, the adjusting rod penetrates through the mounting holes of the plurality of partition plates and can rotate in the mounting holes, the upper end of the mounting hole is adapted to the inner surface of the clamping groove and can be clamped into the clamping groove; and the adjusting rod is threaded and connected with a locking nut. In this scheme, when the first detection method is performed, the adjusting rod is rotated, the opening of the clamping groove on the adjusting rod is upward, and then the end of the mounting hole of the partition plate is clamped into the clamping groove, so as to limit the position of the partition plate, and after adjusting the positions of the plurality of partition plates, the test piece can be placed in the gap of the partition plate, and the distance between adjacent partition plates can be adjusted according to the thickness of the test piece, and different thickness specifications of test pieces can be tested at one time; when the second detection method is performed, the adjusting rod is rotated, the opening of the clamping groove of the adjusting rod is downward, that is, the arc surface of the adjusting rod is upward, and then the plurality of partition plates can slide freely on the adjusting rod, the partition plates are all slid close to one end of the adjusting rod, then the test piece is placed between two adjacent partition plates, and then the locking nut is rotated to abut against the partition plate at the edge, so as to clamp the test piece, and then the first screw rod is rotated to make the adjusting rod drive the partition plate and the test piece to descend, so that the lower end of the test piece is immersed in water by 50mm, and the bottom of the test piece is kept at least 15mm apart from the bottom surface of the bottom box.

[0023] Preferably, a plurality of third hollow holes are formed in the partition plate. In this scheme, the third hollow holes can reduce the contact area between the partition plate and the test piece. BRIEF DESCRIPTION OF DRAWINGS

[0024] Figure 1 It is a three-dimensional structure diagram of the wood-based panel water absorption thickness swelling rate detection device of the utility model patent (operating the first detection method);

[0025] Figure 2The utility model discloses a three-dimensional structure diagram of the water absorption thickness expansion rate detection device of artificial board (operates the first kind of detection method, and the constant temperature water tank is hidden);

[0026] Figure 3 The adjusting rod and the partition plate assembly drawing of the water absorption thickness expansion rate detection device of artificial board of the utility model patent (operates the first kind of detection method);

[0027] Figure 4 The water absorption thickness expansion rate detection device of artificial board of the utility model patent's Figure 3 Front view;

[0028] Figure 5 The water absorption thickness expansion rate detection device of artificial board of the utility model patent's Figure 4 B-B section view of the water absorption thickness expansion rate detection device of artificial board of the utility model patent;

[0029] Figure 6 The three-dimensional structure diagram of the water absorption thickness expansion rate detection device of artificial board (operates the second kind of detection method) of the utility model patent;

[0030] Figure 7 The three-dimensional structure diagram of the water absorption thickness expansion rate detection device of artificial board (operates the second kind of detection method, and the constant temperature water tank is hidden) of the utility model patent;

[0031] Figure 8 The water absorption thickness expansion rate detection device of artificial board of the utility model patent's (operates the second kind of detection method);

[0032] Figure 9 The water absorption thickness expansion rate detection device of artificial board of the utility model patent's Figure 8 Front view;

[0033] Figure 10 The water absorption thickness expansion rate detection device of artificial board of the utility model patent's Figure 8 C-C section view of the water absorption thickness expansion rate detection device of artificial board of the utility model patent;

[0034] Figure 11 The bottom box three-dimensional structure diagram of the water absorption thickness expansion rate detection device of artificial board of the utility model patent;

[0035] Figure 12 The water absorption thickness expansion rate detection device of artificial board of the utility model patent's Figure 11 The A place close-up view of the water absorption thickness expansion rate detection device of artificial board of the utility model patent;

[0036] Figure 13 The partition plate three-dimensional structure diagram of the water absorption thickness expansion rate detection device of artificial board of the utility model patent;

[0037] Figure 14 The adjusting rod front view of the water absorption thickness expansion rate detection device of artificial board of the utility model patent.

[0038] The figure marks in the drawings of the specification include: constant temperature water tank 1, bottom box 2, first box body 21, strip hole 211, second box body 22, protrusion 221, clamping plate 31, second screw 32, connecting plate 33, adjusting rod 4, slot 40, sliding rod 41, slider 411, first screw 42, fixing block 422, locking nut 5, partition 6, mounting hole 61, test piece 7. DETAILED DESCRIPTION

[0039] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0040] like Figures 1-14 As shown, the fixing device for the test piece 7 for detecting the water absorption thickness expansion rate of the artificial board includes a constant temperature water tank 1, and an inverted U-shaped splint 31 is clamped at both ends of the constant temperature water tank 1. One end of the splint 31 located on the outside of the constant temperature water tank 1 passes through and is threadedly connected to a second screw 32. One end of the second screw 32 is located between the splint 31 and the constant temperature water tank 1, and the other end is fixed with a rotating handle; by rotating the rotating handle, the end of the second screw 32 can be rotated to press against the outer surface of the constant temperature water tank 1, so that the connection between the splint 31 and the constant temperature water tank 1 is more stable.

[0041] like Figure 2 、 Figure 7 As shown, an inverted L-shaped connecting plate 33 is fixedly connected to the upper surface of the splint 31, a sliding rod 41 is fixed to one end of the connecting plate 33 away from the splint 31, and a first screw 42 is threadedly connected to the other end of the connecting plate 33 away from the splint 31, and a rotating handle is fixed to the top of the first screw 42. The sliding rod 41 and the first screw 42 are both vertically arranged, and the lower end of the sliding rod 41 is fixedly connected to a bottom box 2 with an adjustable internal accommodating space for accommodating the test piece 7.

[0042] In some embodiments, as Figure 11 and Figure 12As shown, the bottom box 2 comprises a first box 21 and a second box 22, one side and the upper surface of the first box 21 and the second box 22 are open, the side openings of the first box 21 and the second box 22 are opposite, the outer bottom surface and the outer side surface of the second box 22 are in contact with the inner surface of the first box 21, strip-shaped holes 211 are formed on both sides of the first box 21, protrusions 221 are fixed on the outer surfaces of both sides of the second box 22 in contact with the first box 21, the protrusions 221 are inserted into the strip-shaped holes 211 and can slide in the strip-shaped holes 211, and the lower end of the sliding rod 41 is fixedly connected with the bottom of the first box 21, the lower end of the first screw rod 42 is selectively not connected with the bottom of the first box 21 or is selectively rotationally connected with the bottom of the first box 21 (this part is prior art, which can make the lower end of the first screw rod 42 penetrate through the bottom of the bottom box 2, then upset the lower end of the first screw rod 42 for limiting, or make the first screw rod 42 connected with the bottom box 2 through a small bearing, and many other optional prior art rotationally connecting structures, which will not be described in detail here).

[0043] Through the cooperation of the protrusions 221 and the strip-shaped holes 211, the first box 21 and the second box 22 can be slidably connected, and the first box 21 and the second box 22 are combined into the bottom box 2 with four sides provided with enclosures and a structure similar to a box through the slidable connection of the two, the two can slide relative to each other so that the accommodating space of the bottom box 2 can be freely adjusted, the side of the test piece 7 is enclosed to prevent the test piece 7 from floating out of the space between the partitions 6 during the soaking process and failing to maintain a vertical state in water. The side surfaces of the first box 21 and the second box 22 are provided with a plurality of first hollow holes, and the bottom surfaces of the first box 21 and the second box 22 are provided with a plurality of second hollow holes, which can make the water more easily flow into the bottom box 2, and on the other hand, can reduce the contact area of the test piece 7 and the bottom box 2 to prevent the bottom box 2 from interfering with the water absorption effect of the test piece 7.

[0044] As shown in Figure 2 , Figure 7 , a sliding block 411 is sleeved on the sliding rod 41, a fixed block 422 is threadedly connected on the first screw rod 42, and an adjusting rod 4 is arranged between the sliding block 411 and the fixed block 422, as shown in Figure 3 , Figure 8 , the two ends of the adjusting rod 4 penetrate through the sliding block 411 and the fixed block 422 and can rotate, the surface of the adjusting rod 4 is provided with threads, and the two ends of the adjusting rod 4 are fixedly provided with baffles for preventing the adjusting rod 4 from coming out of the sliding block 411 and the fixed block 422;

[0045] At the same time, as shown in Figure 14 , a plurality of clamping grooves 40 are arranged on the adjusting rod 4 along the length direction of the adjusting rod 4 and parallel to each other in the length direction, and the opening directions of the plurality of clamping grooves 40 are consistent; a plurality of partitions 6 are installed on the adjusting rod 4, as shown in Figure 13As shown, the partition plate 6 is provided with mounting holes 61, the adjusting rod 4 penetrates the mounting holes 61 of the partition plates 6 and can rotate in the mounting holes 61, the upper end of the mounting hole 61 can be matched with the inner surface of the clamping groove 40 and can be clamped into the clamping groove 40; the adjusting rod 4 is threadedly connected with a locking nut 5, and the length of the locking nut 5 is greater than the width of the clamping groove 40.

[0046] As shown in the first detection mode is executed, the rotating adjusting rod 4, the clamping groove 40 on the adjusting rod 4 is opened upwards, and then the mounting hole 61 of the partition plate 6 is matched with one end of the clamping groove 40 and clamped into the clamping groove 40, so that the position of the partition plate 6 is limited, and after the positions of the plurality of partition plates 6 are adjusted, the test piece 7 can be placed in the gap of the partition plate 6. Figures 1-5 As shown in the second detection mode is executed, the rotating adjusting rod 4, the clamping groove 40 of the adjusting rod 4 is opened downwards, that is, the circular arc surface of the adjusting rod 4 is upwards, and then the plurality of partition plates 6 can be freely slid on the adjusting rod 4, the partition plates 6 are all slid close to one end of the adjusting rod 4, then the test piece 7 is placed between the adjacent two partition plates 6, then the locking nut 5 is rotated and abuts against the partition plate 6 located at the edge, abuts against the partition plate 6 to clamp the test piece 7, and then the first screw rod 42 is rotated, so that the adjusting rod 4 drives the partition plate 6 and the test piece 7 to descend, so that the lower end of the test piece 7 is immersed in water by 50mm, and the bottom of the test piece 7 is kept at least 15mm apart from the bottom surface of the bottom box 2.

[0047] Figures 6-10 At the same time, the partition plate 6 is provided with a plurality of third hollow holes, which can reduce the contact area of the partition plate 6 and the test piece 7.

[0048] As can be seen from the above, the technical principle of the utility model is as follows:

[0049] The clamping plate 31 is installed at both ends of the constant-temperature water tank 1, the second screw rod 32 is rotated and abutted against the inner wall of the constant-temperature water tank 1, the clamping plate 31 is fixed more stably, then the first screw rod 42 is rotated, the fixed block 422 on the first screw rod 42 is moved upwards, so as to drive the adjusting rod 4 to move upwards, then the relative positions of the first box body 21 and the second box body 22 are adjusted, so as to adjust the containing space of the bottom box 2 to a proper size.

[0050] The clamping plate 31 is installed at both ends of the constant-temperature water tank 1, the second screw rod 32 is rotated and abutted against the inner wall of the constant-temperature water tank 1, the clamping plate 31 is fixed more stably, then the first screw rod 42 is rotated, the fixed block 422 on the first screw rod 42 is moved upwards, so as to drive the adjusting rod 4 to move upwards, then the relative positions of the first box body 21 and the second box body 22 are adjusted, so as to adjust the containing space of the bottom box 2 to a proper size.

[0051] As shown in the first detection mode is executed, the rotating adjusting rod 4, the clamping groove 40 on the adjusting rod 4 is opened upwards, and then the mounting hole 61 of the partition plate 6 is matched with one end of the clamping groove 40 and clamped into the clamping groove 40, so that the position of the partition plate 6 is limited, and after the positions of the plurality of partition plates 6 are adjusted, the test piece 7 can be placed in the gap of the partition plate 6. Figures 1-5 ​As shown, when the first detection method is performed, the adjusting rod 4 is rotated so that the opening of the card slot 40 on the adjusting rod 4 faces upward, and then the mounting hole 61 of the partition 6 is adapted to one end of the card slot 40 and is snapped into the card slot 40, thereby limiting the position of the partition 6. After the position of several partitions 6 is adjusted, the test piece 7 can be placed in the gap of the partition 6, and then the first screw 42 is rotated so that the first adjusting rod 4 presses the test piece 7 into the water. The first adjusting rod 4, the partition 6 and the bottom box 2 form a space that allows the test piece 7 to be completely immersed in the water and maintain a vertical state, while maintaining a distance of more than 15 mm between the test piece 7 and the partition 6, the adjusting rod 4 and the side wall of the bottom box 2 (if the test piece 7 easily floats in the water, the test piece 7 is maintained at a distance of more than 15 mm from the bottom of the bottom box 2);

[0052] After soaking for a specified time, the second box body 22 can be pulled out, or the adjusting rod 4 can be moved upward to remove the test piece 7 and measure the absorption expansion rate.

[0053] like Figures 6-10 As shown, when executing the second detection method, rotate the adjusting rod 4, and open the slot 40 of the adjusting rod 4 downward, that is, the arc surface of the adjusting rod 4 faces upward, and then several partitions 6 can slide freely on the adjusting rod 4, and all the partitions 6 are slid close to one end of the adjusting rod 4, and then the test piece 7 is placed between two adjacent partitions 6, and then the locking nut 5 is rotated to press against the partition 6 located on the edge, and the partition 6 is pressed against the specimen 7 to clamp the specimen 7, and then the first screw 42 is rotated to make the adjusting rod 4 drive the partition 6 and the specimen 7 to descend, so that the 50mm part of the lower end of the specimen 7 is immersed in water, and the bottom of the specimen 7 is at least 15mm away from the bottom surface of the bottom box 2; after soaking for the specified time, move the adjusting rod 4 upward, and then hold the specimen 7 with one hand, and slowly loosen the locking nut 5 with the other hand to reduce the clamping force of the partition 6, take out the specimen 7, and measure the absorption expansion rate.

[0054] The above is only an embodiment of the present invention, and the commonly known specific structures and characteristics of the scheme are not described in detail here. It should be pointed out that for those skilled in the art, several modifications and improvements can be made without departing from the structure of the present invention, and these should also be regarded as the scope of protection of the present invention. These will not affect the effect of the implementation of the present invention and the practicality of the patent. The scope of protection claimed by this application shall be based on the content of its claims, and the specific implementation methods and other records in the specification can be used to interpret the content of the claims.

Claims

1. A device for detecting the water thickness swelling rate of a wood-based panel, comprising a thermostatic water tank, characterized in that: The constant temperature water tank is provided with a fixing device for fixing a test piece, the fixing device comprises a connecting assembly fixed on the constant temperature water tank, a clamping device movably arranged on the connecting assembly in the vertical direction, and a bottom box arranged on the connecting assembly below the clamping device.

2. The device for detecting the water absorption thickness swelling rate of artificial board according to claim 1, characterized in that: The bottom box comprises a first box body and a second box body, one side surface and an upper surface of the first box body and the second box body are open, the side surfaces of the first box body and the second box body are opposite to each other, and the second box body is slidably connected to the first box body.

3. The device for detecting the water absorption thickness swelling rate of artificial board according to claim 2, characterized in that: First hollow holes are arranged in the side surfaces of the first box body and the second box body, and second hollow holes are arranged in the bottom surfaces of the first box body and the second box body.

4. The device for detecting the water absorption thickness swelling rate of artificial board according to claim 2, characterized in that: The outer bottom surface and the outer side surface of the second box body are in contact with the inner surface of the first box body, strip-shaped holes are arranged in the two side surfaces of the first box body, protrusions are fixed on the two outer surfaces of the second box body in contact with the first box body, and the protrusions are inserted into the strip-shaped holes and can slide in the strip-shaped holes.

5. The apparatus according to claim 1, wherein: The connecting assembly comprises two inverted U-shaped clamping plates clamped on the two ends of the constant temperature water tank, and connecting plates are fixedly connected to the upper surfaces of the clamping plates, one end of one of the connecting plates away from the clamping plate is fixedly connected with a sliding rod, one end of the other connecting plate away from the clamping plate is threadedly connected with a first screw rod, and the sliding rod and the first screw rod are vertically arranged; and the lower end of the sliding rod is fixedly connected with the first box body.

6. The device for detecting the water absorption thickness swelling rate of artificial board according to claim 5, characterized in that: One end of the second screw rod is threadedly connected with the clamping plate on the outer side of the constant temperature water tank, one end of the second screw rod is located between the clamping plate and the constant temperature water tank, and the other end of the second screw rod is fixedly connected with a rotating handle.

7. The device for detecting the water absorption thickness swelling rate of artificial board according to claim 5, characterized in that: The clamping device comprises a sliding block slidably connected to the sliding rod, and a fixed block threadedly connected to the first screw rod, and the two ends of the adjusting rod are rotatably connected to the sliding block and the fixed block, respectively.

8. The device for detecting the water thickness swelling rate of artificial board according to claim 7, characterized in that: The adjusting rod is in a cylindrical shape, and a thread is arranged on the surface of the adjusting rod, a plurality of clamping grooves are arranged on the adjusting rod in the length direction of the adjusting rod and parallel to each other, and the opening directions of the clamping grooves are consistent; an installation hole is arranged on the partition plate, the adjusting rod penetrates through the installation holes of the plurality of partition plates and can rotate in the installation holes, the upper end of the installation hole is matched with the inner surface of the clamping groove and can be clamped into the clamping groove; and a locking nut is threadedly connected to the adjusting rod.

9. The device for detecting the water thickness swelling rate of the artificial board according to any one of claims 1-8, characterized in that: A plurality of third hollow holes are arranged on the partition plate.

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