Quality detection equipment for wood floor

Abstract

The invention belongs to the technical field of soft floor detection, and particularly relates to quality detection equipment for wood floors, which comprises a detection main body, a size benchmarking assembly arranged on the detection main body, a thermal stability detection mechanism and an indentation recovery detection mechanism, the thermal stability detection mechanism is arranged on the detection main body, and the indentation recovery detection mechanism is arranged on the detection main body. The indentation recovery detection mechanism is arranged in the detection main body; the thermal stability detection mechanism comprises a thermal shock detection assembly, a plugging type heat switching assembly and a reciprocating driving assembly, the thermal shock detection assembly is arranged on the detection main body, the reciprocating driving assembly is arranged at the lower end of the thermal shock detection assembly, and the plugging type heat switching assembly is arranged on the reciprocating driving assembly; through the thermal stability detection mechanism, the thermal stability, thermal fatigue and thermal crack performance of the cork floor can be evaluated, so that the advantages and disadvantages of the cork floor are found, a basis is provided for improvement and optimization of the cork floor, and the quality and performance of the cork floor are improved.

Description

Technical Field

[0001] The invention belongs to the technical field of soft floor detection, and in particular refers to a quality detection device for wooden floor. Background Art

[0002] In the field of cork flooring manufacturing, quality inspection is a key link to ensure product quality and performance. Cork flooring is a flooring material made from cork bark, which is favored for its environmental protection, sound absorption, softness and comfort. However, the cork flooring inspection equipment currently available on the market has some defects, which limits the comprehensive evaluation of the quality of cork flooring.

[0003] Existing cork floor testing equipment usually focuses on testing conventional material properties, such as density, surface quality, and strength. These devices fail to fully consider the unique performance characteristics of cork flooring, such as its thermal stability, thermal fatigue, and thermal cracking. Traditional equipment also fails to provide testing methods for thermal stability, thermal fatigue, and thermal cracking of cork flooring. In addition, existing equipment may need to use multiple devices when testing cork flooring, which increases the complexity and cost of the testing process.

[0004] In the context of increasing manufacturing and application of cork flooring, in order to meet the market demand for high-quality products, a comprehensive and efficient cork flooring quality testing equipment is needed. Summary of the invention

[0005] In view of the above situation, in order to overcome the defects of the prior art, the present invention provides a quality inspection equipment for wooden floors. Through the thermal stability detection mechanism, the thermal stability, thermal fatigue, and thermal crack performance of cork floors can be evaluated, so as to discover the advantages and disadvantages of cork floors, provide a basis for the improvement and optimization of cork floors, and improve the quality and performance of cork floors.

[0006] The technical solution adopted by the present invention is as follows: The present invention provides a quality inspection device for wooden floors, including a detection body, and a size calibration component arranged on the detection body, and also including a thermal stability detection mechanism and an indentation recovery detection mechanism, the thermal stability detection mechanism is arranged on the detection body, and the indentation recovery detection mechanism is arranged in the detection body; the thermal stability detection mechanism includes a thermal shock detection component, a blocking type heat switching component and a reciprocating drive component, the thermal shock detection component is arranged on the detection body, the reciprocating drive component is arranged at the lower end of the thermal shock detection component, and the blocking type heat switching component is arranged on the reciprocating drive component.

[0007] Furthermore, the detection body includes a base, which is arranged at the lower end of the detection body, a detection cavity is provided at the upper end of the base, a lifting and opening door is provided on one side of the detection cavity, an observation glass is provided on the detection cavity, and a detection frame is provided on one side of the upper end of the base.

[0008] Furthermore, the reciprocating drive assembly includes an equipment cavity, which is arranged at the upper end of the base, a motor is installed on one side of the outer wall of the equipment cavity, a screw is installed on the output end of the motor, the other end of the screw is rotatably connected to the inner wall of the equipment cavity, and sleeve 1 and sleeve 2 are sleeved on the screw, sleeve 1 is meshing and rotatably connected to the screw, and sleeve 2 is meshing and rotatably connected to the screw.

[0009] Furthermore, the blocking type heat switching component includes a square sealing block 1, which is arranged at the upper end of the sleeve 1, and the upper end of the sleeve 2 is provided with a square sealing block 2, one side of the square sealing block 1 is provided with one end of a connecting frame, and the other end of the connecting frame is connected to one side of the square sealing block 2.

[0010] Furthermore, the thermal shock detection component includes a heating chamber, which is arranged at the upper end of the equipment chamber, a freezing chamber is arranged on one side of the heating chamber, a square plugging port is arranged between the heating chamber and the freezing chamber, a square inlet is arranged on one side of the heating chamber, a freezing pipe is arranged on the inner side wall of the freezing chamber, and a heating component is arranged at the inner upper end of the heating chamber.

[0011] Furthermore, the indentation recovery detection mechanism includes a rolling pressing component, a flexible fixing component and an indentation auxiliary recovery component, the rolling pressing component is arranged on the detection frame, the flexible fixing component is arranged on the connecting frame, and the indentation auxiliary recovery component is arranged on the rolling pressing component.

[0012] Furthermore, the rolling pressing assembly includes a lifting cylinder, which is arranged at the upper end of the detection frame. A lifting plate is provided at the output end of the lifting cylinder. Elastic telescopic parts are provided on both sides of the lower end of the lifting plate. A fixed sleeve is provided at the lower end of the elastic telescopic part. A fixed tube is provided on one side of the fixed sleeve. A cylindrical roller is rotatably sleeved on the fixed tube, and an arc block is provided on the cylindrical roller.

[0013] Furthermore, the indentation auxiliary recovery component includes a hot air blower, which is arranged on one side of the upper end of the lifting plate. The output end of the hot air blower is provided with one end of an output pipe, and the other end of the output pipe is connected to the fixed pipe. The cylindrical drum is provided with air outlet hole 2, and the fixed pipe is provided with air outlet hole 1.

[0014] Furthermore, the flexible fixing component includes a benchmarking plate 1, which is arranged on one side of the upper end of the connecting frame, and a benchmarking plate 2 is provided on the other side of the upper end of the connecting frame. A slide groove is provided on the side wall of the connecting frame, and a slider is provided in the slide groove for sliding. A spring is provided at the lower end of the inner part of the slide groove, and the other end of the spring is connected to the lower end of the slider. A fixing rod is connected to the side wall of the slider, and an electric suction cup is provided at the upper end of the fixing rod.

[0015] Furthermore, the size calibration component includes a placement rack, which is arranged on a side wall of the detection rack, and is provided with a marking pencil and an eraser.

[0016] The beneficial effects achieved by the present invention using the above structure are as follows: The present invention provides a quality inspection device for wooden flooring, which achieves the following beneficial effects: (1) In order to solve the problem that the existing equipment fails to fully consider the unique performance characteristics of cork flooring, such as its thermal stability, thermal fatigue and thermal cracks, and the traditional equipment also fails to provide detection methods for the thermal stability, thermal fatigue and thermal cracks of cork flooring, the thermal stability detection mechanism can be used to evaluate the thermal stability, thermal fatigue and thermal crack performance of cork flooring, so as to discover the advantages and disadvantages of cork flooring, provide a basis for the improvement and optimization of cork flooring, and improve the quality and performance of cork flooring.

[0017] (2) Through the thermal stability testing mechanism, the changes and damage of cork floors in different temperature environments can be predicted, thereby avoiding the deformation, cracking and damage of cork floors, and ensuring the safety and durability of cork floors.

[0018] (3) Through the thermal stability testing agency, the temperature range and change rate suitable for cork flooring can be determined, thereby expanding the application range of cork flooring and enabling cork flooring to adapt to different climatic conditions and usage requirements.

[0019] (4) The indentation auxiliary recovery component is set up to blow and wipe the indented part of the cork floor to increase the temperature of the cork floor, thereby promoting the expansion and recovery of the cork floor.

[0020] (5) The function of the spring is to cushion the deformation caused by the cylindrical roller pressing on the cork board.

[0021] (6) In order to further improve the practicality and scalability, the present invention proposes an indentation recovery detection mechanism, which can evaluate the elasticity and recovery of cork flooring, thereby discovering the advantages and disadvantages of cork flooring, providing a reference for the selection and use of cork flooring, and improving the quality and performance of cork flooring.

[0022] (7) Through the indentation recovery detection mechanism, it is possible to predict whether the cork floor can recover to its original shape and state after being subjected to external force or temperature changes, thereby avoiding deformation, cracking and damage of the cork floor, and preventing damage and repair of the cork floor.

[0023] (8) Through the indentation recovery detection mechanism, the appropriate use conditions and maintenance methods for cork floors can be determined, thereby extending the service life of cork floors and allowing the cork floors to maintain their original beauty and comfort. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 This is a front view of a quality inspection device for wooden flooring proposed by the present invention; Figure 2 The main cross-section of a quality inspection device for wooden flooring proposed by the present invention Figure 1 ; Figure 3 The main cross-section of a quality inspection device for wooden flooring proposed by the present invention Figure 2 ; Figure 4 This is a right view of a quality inspection device for wooden flooring proposed by the present invention; Figure 5 It is a schematic diagram of the structure of the rolling pressing component; Figure 6 It is the left view of the cylindrical drum; Figure 7 It is a schematic diagram of the structure of the flexible fixing component; Figure 8 It is a top view of the flexible fixing component.

[0025] Among them, 1. detection body, 2. thermal stability detection mechanism, 3. indentation recovery detection mechanism, 4. size calibration component, 5. base, 6. detection chamber, 7. lifting and closing door, 8. observation glass, 9. detection rack, 10. marking pencil, 11. eraser, 12. placement rack, 13. thermal shock detection component, 14. sealing type heat switching component, 15. reciprocating drive component, 16. heating chamber, 17. heating component, 18. freezing chamber, 19. freezing pipe, 20. square plugging, 21. square inlet, 23. square sealing block 1, 24. square sealing block 2, 25. connection frame , 26, motor, 27, screw, 28, sleeve one, 29, sleeve two, 30, equipment cavity, 31, rolling pressing assembly, 32, flexible fixing assembly, 33, indentation auxiliary recovery assembly, 34, lifting cylinder, 35, fixing sleeve, 36, fixing pipe, 37, cylindrical roller, 38, arc block, 39, lifting plate, 40, elastic telescopic part, 41, benchmarking plate one, 42, benchmarking plate two, 43, fixing rod, 44, electric suction cup, 45, slider, 46, slide groove, 47, spring, 48, hot air blower, 49, output pipe, 50, air outlet one, 51, air outlet two.

[0026] The accompanying drawings are used to provide further understanding of the present invention and constitute a part of the specification. They are used to explain the present invention together with the embodiments of the present invention and do not constitute a limitation of the present invention. DETAILED DESCRIPTION

[0027] The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments; based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the present invention.

[0028] In the description of the present invention, it should be understood that terms such as “upper”, “lower”, “front”, “back”, “left”, “right”, “top”, “bottom”, “inside” and “outside” indicating directions or positional relationships are based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore should not be understood as limiting the present invention.

[0029] like Figure 1-Figure 8 As shown, the present invention proposes a quality inspection device for wooden floor, including an inspection body 1, the inspection body 1 includes a base 5, an inspection cavity 6, a lifting and opening and closing door 7, an observation glass 8 and an inspection frame 9, the base 5 is arranged at the lower end of the inspection body 1, the upper end of the base 5 is provided with an inspection cavity 6, one side of the inspection cavity 6 is provided with a lifting and opening and closing door 7, the inspection cavity 6 is provided with an observation glass 8, the upper end side of the base 5 is provided with an inspection frame 9, and a size calibration component 4 arranged on the inspection body 1, the size calibration component 4 includes a marking pencil 10, an eraser 11 and a placement rack 12, the placement rack 12 is arranged on the side wall of the inspection frame 9, the placement rack 12 is provided with a marking pencil 10, the placement rack 12 is provided with an eraser 11, and also includes a thermal stability detection mechanism 2 and an indentation recovery detection mechanism 3, the thermal stability detection mechanism 2 is arranged on the inspection body 1, and the indentation recovery detection mechanism 3 is arranged in the inspection body 1.

[0030] The thermal stability detection mechanism 2 includes a thermal shock detection component 13, a blocking type heat switching component 14 and a reciprocating drive component 15. The thermal shock detection component 13 is arranged on the detection body 1, the reciprocating drive component 15 is arranged at the lower end of the thermal shock detection component 13, and the blocking type heat switching component 14 is arranged on the reciprocating drive component 15.

[0031] The reciprocating drive assembly 15 includes a motor 26, a lead screw 27, a sleeve 1 28, a sleeve 29 and an equipment cavity 30. The equipment cavity 30 is arranged at the upper end of the base 5. The motor 26 is installed on one side of the outer wall of the equipment cavity 30. The output end of the motor 26 is installed with a lead screw 27. The other end of the lead screw 27 is rotatably connected to the inner wall of the equipment cavity 30. The lead screw 27 is sleeved with a sleeve 1 28 and a sleeve 29. The sleeve 1 28 and the lead screw 27 are meshed and rotatably connected, and the sleeve 29 and the lead screw 27 are meshed and rotatably connected.

[0032] The blocking type heat switching assembly 14 includes a square sealing block 1 23, a square sealing block 24 and a connecting frame 25. The square sealing block 1 23 is arranged at the upper end of the sleeve 1 28, the upper end of the sleeve 29 is provided with a square sealing block 24, one side of the square sealing block 1 23 is provided with one end of the connecting frame 25, and the other end of the connecting frame 25 is connected to one side of the square sealing block 24.

[0033] The thermal shock detection component 13 includes a heating chamber 16, a heating component 17, a freezing chamber 18, a freezing pipe 19, a square plug 20 and a square inlet 21. The heating chamber 16 is arranged at the upper end of the equipment chamber 30, and a freezing chamber 18 is arranged on one side of the heating chamber 16. A square plug 20 is arranged between the heating chamber 16 and the freezing chamber 18. A square inlet 21 is arranged on one side of the heating chamber 16, a freezing pipe 19 is arranged on the inner wall of the freezing chamber 18, and a heating component 17 is arranged at the upper end of the interior of the heating chamber 16.

[0034] The indentation recovery detection mechanism 3 includes a rolling pressing component 31, a flexible fixing component 32 and an indentation auxiliary recovery component 33. The rolling pressing component 31 is arranged on the detection frame 9, the flexible fixing component 32 is arranged on the connecting frame 25, and the indentation auxiliary recovery component 33 is arranged on the rolling pressing component 31.

[0035] The rolling pressing assembly 31 includes a lifting cylinder 34, a fixed sleeve 35, a fixed tube 36, a cylindrical roller 37, an arc block 38, a lifting plate 39 and an elastic telescopic member 40. The lifting cylinder 34 is arranged at the inner upper end of the detection frame 9, and a lifting plate 39 is provided at the output end of the lifting cylinder 34. Elastic telescopic members 40 are provided on both sides of the lower end of the lifting plate 39. The lower end of the elastic telescopic member 40 is provided with a fixed sleeve 35, and a fixed tube 36 is provided on one side of the fixed sleeve 35. A cylindrical roller 37 is rotatably sleeved on the fixed tube 36, and an arc block 38 is provided on the cylindrical roller 37.

[0036] The indentation auxiliary recovery component 33 includes a hot air blower 48, an output pipe 49, an air outlet hole 1 50 and an air outlet hole 2 51. The hot air blower 48 is arranged on one side of the upper end of the lifting plate 39. The output end of the hot air blower 48 is provided with one end of the output pipe 49, and the other end of the output pipe 49 is connected to the fixed pipe 36. The cylindrical drum 37 is provided with an air outlet hole 2 51, and the fixed pipe 36 is provided with an air outlet hole 1 50.

[0037] The flexible fixing component 32 includes a marking plate 1 41, a marking plate 2 42, a fixing rod 43, an electric suction cup 44, a slider 45, a slide groove 46 and a spring 47. The marking plate 1 41 is arranged on one side of the upper end of the connecting frame 25, and the marking plate 2 42 is arranged on the other side of the upper end of the connecting frame 25. A slide groove 46 is arranged on the side wall of the connecting frame 25, and a slider 45 is slidably arranged in the slide groove 46. A spring 47 is arranged at the lower end of the inner part of the slide groove 46, and the other end of the spring 47 is connected to the lower end of the slider 45. The fixing rod 43 is connected to the side wall of the slider 45, and an electric suction cup 44 is arranged on the upper end of the fixing rod 43.

[0038] When in use, first place the cork board to be tested on the reference board 1 41 and the reference board 2 42, start the electric suction cup 44 to adsorb on the lower end of the cork board, fix the cork board, use the marking pencil 10 to draw the outline on the reference board 1 41 and the reference board 2 42 along the cork board, the output end of the lifting cylinder 34 moves to drive the lifting plate 39 to move downward, the lifting plate 39 moves downward to drive the cylindrical roller 37 to move downward until the arc block 38 is pressed on the cork board, the output end of the motor 26 rotates to drive the lead screw 27 to rotate, the lead screw 27 rotates to drive the sleeve 1 28 and the sleeve 2 29 to move, the sleeve 1 28 and the sleeve 2 29 move to drive the connecting rod 37 to move downward, and the connecting rod 37 moves downward. The frame 25 moves, thereby driving the cork board to move, and the arc block 38 is used to apply pressure on the cork board, and the size and shape of the indentation on the cork board are recorded. The output end of the lifting cylinder 34 moves upward until the arc block 38 leaves the cork board, and the hot air blower 48 is started. The hot air flow is transported to the fixed pipe 36 through the output pipe 49, and then enters the cylindrical drum 37 through the air outlet hole 1 50, and finally sprayed out from the air outlet hole 2 51. The output end of the motor 26 rotates to drive the cork board to reciprocate at the lower end of the cylindrical drum 37, so that the temperature of the cork floor increases, thereby promoting the expansion and recovery of the cork floor, so as to detect the indentation recovery effect of the cork board. The spring 4 The function of 7 is to buffer the deformation caused by the cylindrical roller 37 pressing on the cork board, start the heating component 17 and the freezing pipe 19, start the reciprocating drive component 15, move the blocking type heat switching component 14 into the heating chamber 16, close the lifting and opening door 7, and heat the cork board. At this time, the square sealing block 1 23 blocks the square plugging port 20. After a period of time, start the reciprocating drive component 15, move the cork board into the freezing chamber 18, and cool the cork board. At this time, the square sealing block 24 blocks the square plugging port 20. Within a certain temperature range, the cork floor is cyclically heated and cooled. Observe the size and Whether the shape of the cork floor changes, judge the thermal stability of the cork floor. The better the thermal stability, the less susceptible the cork floor is to temperature changes and the more suitable it is for different climatic conditions; observe whether cracks appear in the cork floor to judge the thermal cracks of the cork floor. The fewer the thermal cracks, the more the cork floor can resist the impact of temperature changes and the less likely it is to be damaged. Repeat the indentation test of the cork board to observe whether the performance of the cork floor is degraded and judge the thermal fatigue of the cork floor. The smaller the thermal fatigue, the more the cork floor can withstand the cycle of temperature changes and the less likely it is to lose elasticity or strength. The above is the overall workflow of the present invention, and you can repeat this step next time you use it.

[0039] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0040] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

[0041] The present invention and its embodiments are described above, and such description is not restrictive. The drawings show only one embodiment of the present invention, and the actual structure is not limited thereto. In short, if ordinary technicians in the field are inspired by it, without departing from the purpose of the invention, they can design a structure and embodiment similar to the technical solution without creativity, which should belong to the protection scope of the present invention.

Claims

1. A quality inspection device for wooden flooring, comprising a inspection body (1), and a dimension calibration component (4) arranged on the inspection body (1), characterized in that: The invention also comprises a thermal stability detection mechanism (2) and an indentation recovery detection mechanism (3), wherein the thermal stability detection mechanism (2) is arranged on the detection body (1), and the indentation recovery detection mechanism (3) is arranged inside the detection body (1); the thermal stability detection mechanism (2) comprises a thermal shock detection component (13), a blocking type heat switching component (14), and a reciprocating drive component (15), wherein the thermal shock detection component (13) is arranged on the detection body (1), the reciprocating drive component (15) is arranged at the lower end of the thermal shock detection component (13), and the blocking type heat switching component (14) is arranged at the lower end of the reciprocating drive component (15). The reciprocating drive assembly (15) comprises a device cavity (30), the thermal shock detection assembly (13) comprises a heating cavity (16), the heating cavity (16) is arranged at the upper end of the device cavity (30), a freezing cavity (18) is arranged on one side of the heating cavity (16), a square plugging port (20) is arranged between the heating cavity (16) and the freezing cavity (18), a square inlet (21) is arranged on one side of the heating cavity (16), a freezing pipe (19) is arranged on the inner side wall of the freezing cavity (18), and a heating assembly (17) is arranged at the inner upper end of the heating cavity (16).

2. The quality inspection equipment for wooden floor according to claim 1, characterized in that: The detection body (1) comprises a base (5), the base (5) being arranged at the lower end of the detection body (1), a detection cavity (6) being arranged at the upper end of the base (5), a lifting and opening door (7) being arranged at one side of the detection cavity (6), an observation glass (8) being arranged on the detection cavity (6), and a detection frame (9) being arranged at one side of the upper end of the base (5).

3. The quality inspection equipment for wooden floor according to claim 2, characterized in that: The device cavity (30) is arranged at the upper end of the base (5); a motor (26) is mounted on one side of the outer wall of the device cavity (30); a lead screw (27) is mounted on the output end of the motor (26); the other end of the lead screw (27) is rotatably connected to the inner wall of the device cavity (30); a sleeve 1 (28) and a sleeve 2 (29) are sleeved on the lead screw (27); the sleeve 1 (28) and the lead screw (27) are meshed and rotatably connected; and the sleeve 2 (29) and the lead screw (27) are meshed and rotatably connected.

4. The quality inspection equipment for wooden floor according to claim 3, characterized in that: The blocking type heat switching assembly (14) comprises a square sealing block (23), the square sealing block (23) being arranged at the upper end of the sleeve (28), the upper end of the sleeve (29) being provided with a square sealing block (24), one end of a connecting frame (25) being arranged on one side of the square sealing block (23), the other end of the connecting frame (25) being connected to one side of the square sealing block (24).

5. The quality inspection equipment for wooden floor according to claim 4, characterized in that: The indentation recovery detection mechanism (3) comprises a rolling pressing component (31), a flexible fixing component (32) and an indentation auxiliary recovery component (33); the rolling pressing component (31) is arranged on a detection frame (9), the flexible fixing component (32) is arranged on a connection frame (25), and the indentation auxiliary recovery component (33) is arranged on the rolling pressing component (31).

6. The quality inspection device for wooden floor according to claim 5, characterized in that: The rolling pressing assembly (31) comprises a lifting cylinder (34), the lifting cylinder (34) being arranged at the inner upper end of the detection frame (9), a lifting plate (39) being arranged at the output end of the lifting cylinder (34), elastic telescopic parts (40) being arranged at both sides of the lower end of the lifting plate (39), a fixing sleeve (35) being arranged at the lower end of the elastic telescopic part (40), a fixing tube (36) being arranged at one side of the fixing sleeve (35), a cylindrical roller (37) being rotatably sleeved on the fixing tube (36), and an arc block (38) being arranged on the cylindrical roller (37).

7. The quality inspection device for wooden floor according to claim 6, characterized in that: The indentation auxiliary recovery component (33) comprises a hot air blower (48), the hot air blower (48) being arranged on one side of the upper end of the lifting plate (39), the output end of the hot air blower (48) being provided with one end of an output pipe (49), the other end of the output pipe (49) being through-connected to the fixed pipe (36), the cylindrical drum (37) being provided with a second air outlet hole (51), and the fixed pipe (36) being provided with a first air outlet hole (50).

8. The quality inspection device for wooden floor according to claim 7, characterized in that: The flexible fixing component (32) comprises a first alignment plate (41), the first alignment plate (41) being arranged on one side of the upper end of the connecting frame (25), and a second alignment plate (42) being arranged on the other side of the upper end of the connecting frame (25), a sliding groove (46) being arranged on the side wall of the connecting frame (25), a sliding block (45) being arranged to slide in the sliding groove (46), a spring (47) being arranged at the lower end of the inner part of the sliding groove (46), the other end of the spring (47) being connected to the lower end of the sliding block (45), a fixing rod (43) being connected to the side wall of the sliding block (45), and an electric suction cup (44) being arranged at the upper end of the fixing rod (43).

9. The quality inspection device for wooden floor according to claim 8, characterized in that: The dimension calibration component (4) comprises a placement rack (12), wherein the placement rack (12) is arranged on a side wall of the detection rack (9), a marking pencil (10) is arranged on the placement rack (12), and an eraser (11) is arranged on the placement rack (12).

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