CN113654940A - Edge banding panel furniture moisture resistance detection machine and detection method - Google Patents
Edge banding panel furniture moisture resistance detection machine and detection method Download PDFInfo
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- CN113654940A CN113654940A CN202110989215.0A CN202110989215A CN113654940A CN 113654940 A CN113654940 A CN 113654940A CN 202110989215 A CN202110989215 A CN 202110989215A CN 113654940 A CN113654940 A CN 113654940A
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- G—PHYSICS
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- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N5/00—Analysing materials by weighing, e.g. weighing small particles separated from a gas or liquid
- G01N5/02—Analysing materials by weighing, e.g. weighing small particles separated from a gas or liquid by absorbing or adsorbing components of a material and determining change of weight of the adsorbent, e.g. determining moisture content
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- G—PHYSICS
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- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
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Abstract
The invention relates to a moisture-proof performance detector and a moisture-proof performance detection method for edge-sealed plate-type furniture, which relate to the technical field of furniture performance testing and comprise a furniture test piece, a master control platform, a host platform, a constant-temperature water bath box arranged on the host platform and a transfer assembly, wherein a negative-pressure clamping assembly is arranged outside the transfer assembly; the furniture test piece is clamped on the negative pressure clamping assembly, and the negative pressure clamping assembly drives the furniture test piece to extend into the constant-temperature water bath box for soaking through the transfer assembly; the detection machine further comprises an electronic weighing platform which is arranged on the host platform and electrically connected with the master control platform. The invention aims at the condition that the thickness of each position of the special-shaped edge banding plate type furniture is different and the point position to be measured is not easy to determine, can determine the volume expansion rate of the furniture test piece according to the difference of the volume values before and after soaking, can directly reflect the moisture resistance of the furniture test piece, can be used as the basis for judging the moisture resistance quality of the edge banding plate type furniture, and has convenient and quick detection and strong practicability.
Description
Technical Field
The invention belongs to the technical field of furniture performance testing, and particularly relates to a moisture-proof performance detector and a moisture-proof performance detection method for edge-sealed plate-type furniture.
Background
In modern home decoration, customized panel furniture is gradually pursued by people, but the quality of the current customized panel furniture is uneven, the moisture resistance is an important property of the edge sealing plate of the customized panel furniture, the moisture resistance is poorer, and the later period of use in a humid environment is more likely to generate an expansion phenomenon, so that the problems of deformation, cracking and the like are generated, therefore, the testing of the moisture resistance of the edge sealing panel furniture is very critical;
for the moisture resistance test of edge banding panel furniture, the change of the thickness after water absorption is mostly adopted to calculate the water absorption expansion rate, and for how to determine the point positions to be tested for the special-shaped edge banding panel furniture, the thicknesses of all the positions are different, currently, only the central position of a test piece is taken as the point to be tested, the point probability objectivity of the test result is poor, if the authenticity of the test result needs to be improved, the point to be tested needs to be added, and the test workload is increased;
therefore, the edge banding panel furniture moisture resistance detection machine and the edge banding panel furniture moisture resistance detection method are provided.
Disclosure of Invention
The invention aims to solve the problems and provides a moisture-proof performance detector and a moisture-proof performance detection method for edge banding panel furniture, which are simple in structure and reasonable in design.
The invention realizes the purpose through the following technical scheme:
a moisture-proof performance detector for edge-sealed plate-type furniture comprises a furniture test piece, a master control platform, a host platform, a constant-temperature water bath box and a transfer component, wherein the constant-temperature water bath box and the transfer component are arranged on the host platform;
the furniture test piece is clamped on the negative pressure clamping assembly, and the negative pressure clamping assembly drives the furniture test piece to extend into the constant-temperature water bath box for soaking through the transfer assembly;
the detection machine further comprises an electronic weighing platform which is arranged on the host platform and electrically connected with the master control platform, and the electronic weighing platform is used for weighing the quality numerical values of the furniture test pieces before and after soaking and uploading the quality numerical values to the master control platform.
As a further optimization scheme of the invention, the constant-temperature water bath tank comprises a tank body, a constant-temperature heating unit and a water pump, wherein the constant-temperature heating unit and the water pump are arranged outside the tank body, and an electric heating pipe and a temperature sensor which are electrically connected with the master control platform are arranged inside the tank body.
As a further optimization scheme of the invention, the transfer assembly comprises a linear motor arranged on the host platform and a sliding seat arranged on the linear motor in a sliding manner, and a support is arranged on the outer side of the sliding seat.
As a further optimization scheme of the invention, the negative pressure clamping assembly comprises a vacuum pump arranged on the transferring assembly and side frames connected with the vacuum pump, a rotating shaft is connected to the outer side of each side frame in a shaft mode, a driving end of the rotating shaft is connected with a servo motor, two limiting plates are symmetrically connected to the outer portion of the rotating shaft in a shaft mode, a same negative pressure membrane is arranged between each two limiting plates and the side frame, a gas pipe with an electromagnetic valve is arranged at the bottom end of the vacuum pump, and multiple top ends of the negative pressure membranes are provided with threaded connectors in threaded connection with the gas pipe.
As a further optimized scheme of the invention, a sealing cover which is matched with the top opening end of the constant temperature water bath box is fixedly arranged outside the vacuum pump.
As a further optimization scheme of the invention, a contact switch electrically connected with the master control platform is arranged on the inner side wall of the constant temperature water bath box close to the top opening end.
A method for detecting the moisture resistance of edge banding panel type furniture by using the moisture resistance detector comprises the following steps,
s1, cutting the edge sealing plate into a square furniture test piece with the same edge length, ensuring that at least one side surface is a complete edge sealing surface which is used as a to-be-detected edge, weighing the mass M0 of the furniture test piece before soaking through an electronic weighing platform, determining the density rho of the furniture test piece through a master control platform, and calculating the volume V0 of the furniture test piece before soaking according to a density formula;
s2, after the edge to be measured is set on the furniture test piece, the furniture test piece is clamped by the negative pressure clamping assembly, the edge to be measured is exposed outside, the negative pressure clamping assembly is driven by the transfer assembly to immerse the furniture test piece clamped by the negative pressure clamping assembly in a constant temperature water bath box for 4 hours, and then the furniture test piece is taken out;
s3, drying the surface moisture of the furniture test piece until the surface moisture is not dripped, weighing the mass M1 of the soaked furniture test piece through the electronic weighing platform, calculating the volume V1 of the furniture test piece before soaking according to a density formula, and finally calculating the water absorption expansion rate of the furniture test piece.
As a further optimization scheme of the invention, the water absorption expansion rate is set to be T, and the calculation formula is as follows: t ═ V1-V0)/V0 × 100%.
In S1, as a further optimized solution of the present invention, the density ρ of the furniture test piece is determined according to a wood density table in a database arranged in the master control platform.
The invention has the beneficial effects that:
the volume expansion rate of the furniture test piece can be determined according to the difference of the volume values before and after soaking, the moisture resistance of the furniture test piece can be directly reflected, the detection machine can intuitively and effectively reflect the test result aiming at the condition that the positions of the special-shaped edge sealing plate type furniture are different in thickness and the point position to be detected is not easy to determine, can be used as the basis for judging the moisture resistance quality of the edge sealing plate type furniture, is high in practicability, is suitable for monitoring the quality of the edge sealing plate type furniture in a factory, and is convenient and quick to detect aiming at detecting the quality of the edge sealing plate type furniture by using a customer group.
Drawings
FIG. 1 is a top view provided by the present invention;
FIG. 2 is a front view provided by the present invention;
FIG. 3 is an overall structure of the negative pressure clamping assembly provided by the present invention;
FIG. 4 is a perspective view of the structure of the negative pressure membrane provided by the present invention;
FIG. 5 is a perspective view of a furniture test piece according to the present invention;
in the figure: 1. a host platform; 2. a constant temperature water bath tank; 21. a box body; 22. a constant temperature heating unit; 23. an electric heating tube; 24. a water pump; 25. a temperature sensor; 3. a transfer assembly; 31. a linear motor; 32. a slide base; 33. a support; 4. a negative pressure clamping assembly; 41. a vacuum pump; 42. a side frame; 43. a rotating shaft; 44. a servo motor; 45. a limiting plate; 46. a negative pressure film; 47. a gas delivery pipe; 48. an electromagnetic valve; 49. a threaded interface; 5. a master control platform; 6. an electronic weighing platform; 7. sealing the cover; 8. a contact switch; 9. a furniture test piece.
Detailed Description
The present application will now be described in further detail with reference to the drawings, it should be noted that the following detailed description is given for illustrative purposes only and is not to be construed as limiting the scope of the present application, as those skilled in the art will be able to make numerous insubstantial modifications and adaptations to the present application based on the above disclosure.
Example 1
As shown in fig. 1, the edge banding panel furniture moisture resistance detection machine and the detection method thereof comprise a furniture test piece 9, a master control platform 5, a host platform 1, a constant temperature water bath tank 2 arranged on the host platform 1 and a transfer component 3, wherein a negative pressure clamping component 4 is arranged on the outer side of the transfer component 3;
the furniture test piece 9 is clamped on the negative pressure clamping assembly 4, and the negative pressure clamping assembly 4 drives the furniture test piece 9 to extend into the constant temperature water bath box 2 to be soaked through the transfer assembly 3;
the detection machine further comprises an electronic weighing platform 6 which is arranged on the host platform 1 and electrically connected with the master control platform 5, wherein the electronic weighing platform 6 is used for weighing the mass values of the furniture test pieces 9 before and after soaking and uploading the mass values to the master control platform 5.
As shown in fig. 2, the constant temperature water bath box 2 includes a box body 21, a constant temperature heating unit 22 and a water pump 24 which are arranged outside the box body 21, an electric heating pipe 23 and a temperature sensor 25 which are electrically connected with the master control platform 5 are arranged inside the box body 21, the temperature sensor 25 is used as a temperature measuring tool which is commonly used by technicians in the field and is used for sensing the water temperature inside the constant temperature water bath box 2 and transmitting the temperature information to the master control platform 5, the master control platform 5 sets the required test temperature, and the constant temperature heating unit 22 works to keep the constant temperature state of the constant temperature water bath box 2.
In addition, the transferring component 3 is used for sending the furniture test piece 9 clamped by the negative pressure clamping component 4 into the constant temperature water bath tank 2, the transferring component 3 comprises a linear motor 31 arranged on the host platform 1 and a sliding seat 32 arranged on the linear motor 31 in a sliding manner, the linear motor 31 is used as a linear displacement realizing tool commonly used by a person skilled in the art, so that the sliding seat 32 slides on the linear motor, a support 33 is arranged on the outer side of the sliding seat 32, and the support 33 is used for fixing the negative pressure clamping component 4.
As shown in fig. 3-5, the negative pressure clamping assembly 4 includes a vacuum pump 41 disposed on the transfer assembly 3 and a side frame 42 connected to the vacuum pump, a rotating shaft 43 is coupled to an outer side of the side frame 42, a servo motor 44 is connected to a driving end of the rotating shaft 43, two limiting plates 45 are symmetrically coupled to an outer portion of the rotating shaft 43, and a negative pressure film 46 is disposed between the two limiting plates 45 and the side frame 42, first, after the rotating shaft 43 is driven by the servo motor 44 to rotate, the two limiting plates 45 located on the same side of the side frame 42 are opened, and then the furniture test piece 9 is pushed in from an opening at a bottom end of the negative pressure film 46 after the negative pressure film 46 connected to the side frame 42 is opened by the two limiting plates 45, and after the rotating shaft 43 is controlled by the servo motor 44 to rotate, the two limiting plates 45 are close to the side frame 42, so that the furniture test piece 9 is fixed in the negative pressure film 46;
the bottom of vacuum pump 41 is equipped with the air-supply pipe 47 that has solenoid valve 48, negative pressure membrane 46 must be equipped with the screwed joint 49 with air-supply pipe 47 threaded connection on the top more, afterwards, vacuum pump 41 starts, carries out the evacuation to negative pressure membrane 46 through air-supply pipe 47 for negative pressure membrane 46 is inseparabler with furniture test piece 9's contact, and then makes negative pressure centre gripping subassembly 4 not only can centre gripping furniture test piece 9, also makes furniture test piece 9 except that the limit that awaits measuring, all the other limits just are in encapsulated situation, can not contact water.
In addition, the vacuum pump 41 is externally and fixedly provided with a sealing cover 7 which is matched with the top opening end of the constant temperature water bath box 2, when the transfer component 3 drives the negative pressure clamping component 4 to move downwards, the sealing cover 7 is finally overlapped with the top end of the constant temperature water bath box 2, and the constant temperature water bath box 2 can be kept in a sealed and interference-free state in the test process.
Inside wall of constant temperature water bath 2 is close to the open-top end and is equipped with and always controls 5 electric connection's of platform contact switch 8, when transferring subassembly 3 and drive negative pressure centre gripping subassembly 4 and move down, and closing cap 7 finally can contact switch 8, and then drives always to control platform 5 and provide control command, stops to transfer the work of subassembly 3.
The specific working steps of the whole detection machine are as follows, firstly weighing the mass of the furniture test piece 9 before soaking through the electronic weighing platform 6, and after setting the water bath temperature in the constant temperature water bath box 2, then clamping the furniture test piece 9 by using the negative pressure clamping component 4, so that the furniture test piece 9 is in a sealing state except the edge to be detected and can not contact with water, driving the negative pressure clamping component 4 through the transferring component 3 to immerse the furniture test piece 9 clamped by the negative pressure clamping component 4 into the constant temperature water bath box 2 for 4 hours, taking out the furniture test piece 9, drying the surface moisture of the furniture test piece 9 until the surface moisture is not dropped, weighing the mass of the furniture test piece 9 after soaking through the electronic weighing platform 6 again, determining the density rho of the furniture test piece 9 through the master control platform 5, determining the volume value of the furniture test piece 9 before and after soaking, and because the density value of the same furniture test piece 9 is constant, the volume value before and after soaking can be really the volume value before and after soaking through the mass value before soaking, if furniture test piece 9 appears expanding phenomenon after soaking, its volume must produce the change, and then according to the difference of volume value before and after soaking, confirm the volume expansion rate of furniture test piece 9, can direct reaction go out the humidity resistance of furniture test piece 9, each position thickness of banding panel furniture to dysmorphism differs, the condition of the position point that awaits measuring is difficult to confirm, this detection machine can effectual reaction test result directly perceived, confirm the volume expansion rate of furniture test piece 9, can judge the basis as banding panel dampproofing quality, therefore, the clothes hanger is strong in practicability, be applicable to carry out quality control to banding panel furniture in the mill's processing procedure, and simultaneously, can satisfy and use customer's group to detect its quality, detect convenient and fast.
A method for detecting the moisture resistance of edge banding panel type furniture by using the moisture resistance detector comprises the following steps,
s1, cutting the edge sealing plate into a square furniture test piece 9 with the same edge length, ensuring that at least one side surface is a complete edge sealing surface which is used as a to-be-detected edge, weighing the mass M0 of the furniture test piece 9 before soaking through an electronic weighing platform 6, determining the density rho of the furniture test piece 9 through a master control platform 5, and calculating the volume V0 of the furniture test piece 9 before soaking according to a density formula;
s2, after the edge to be measured is set on the furniture test piece 9, the furniture test piece 9 is clamped by the negative pressure clamping assembly 4, the edge to be measured is exposed outside, the negative pressure clamping assembly 4 is driven by the transfer assembly 3 to immerse the furniture test piece 9 clamped by the negative pressure clamping assembly 4 in the constant temperature water bath box 2 for 4 hours, and then the furniture test piece 9 is taken out;
s3, drying the surface moisture of the furniture test piece 9 until the surface moisture is not dripped, weighing the mass M1 of the soaked furniture test piece 9 again through the electronic weighing platform 6, calculating the volume V1 of the furniture test piece 9 before soaking according to a density formula, and finally calculating the water absorption expansion rate of the furniture test piece 9.
Setting the water absorption expansion rate as T, and the calculation formula is as follows: t ═ V1-V0)/V0 × 100%.
In the step S1, the density ρ of the furniture test piece 9 is determined according to the wood density table in the database arranged in the master control platform 5.
Preferably, the temperature of the furniture test piece 9 in the constant temperature water bath box 2 can be set to be 20 +/-2 ℃, the furniture test piece 9 is vertically placed, the top surface of the furniture test piece 9 is 20-30mm away from the water surface, the bottom surface of the furniture test piece 9 is more than 15mm away from the inner bottom surface of the box body 21, and any side surface of the furniture test piece 9 is more than 15mm away from the inner side wall closest to the box body 21;
preferably, the number of the furniture test pieces 9 is multiple, and the multiple furniture test pieces 9 are tested respectively;
preferably, the moisture-proof grade corresponding to the furniture test piece 9 is divided according to the actual value of the edge water absorption expansion rate, and the moisture-proof grade division table comprises: preferably, the water absorption expansion rate T of the corresponding edge part is less than or equal to 1 percent; the common condition is that T is more than 1 percent and less than or equal to 3 percent of the corresponding edge water absorption expansion rate; the water absorption expansion rate of the corresponding edge part is less than 3 percent and less than T.
The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the present invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention.
Claims (9)
1. A moisture-proof performance detector for edge-sealed plate-type furniture comprises a furniture test piece (9), a master control platform (5), a host platform (1), a constant-temperature water bath tank (2) arranged on the host platform (1) and a transfer component (3), and is characterized in that a negative-pressure clamping component (4) is arranged on the outer side of the transfer component (3);
the furniture test piece (9) is clamped on the negative pressure clamping assembly (4), and the negative pressure clamping assembly (4) drives the furniture test piece (9) to extend into the constant temperature water bath tank (2) for soaking through the transfer assembly (3);
the detection machine further comprises an electronic weighing platform (6) which is arranged on the host platform (1) and electrically connected with the master control platform (5), wherein the electronic weighing platform (6) is used for weighing the mass values of the furniture test pieces (9) before and after soaking and uploading the mass values to the master control platform (5).
2. The edge banding panel furniture moisture resistance tester of claim 1, wherein: constant temperature water bath (2) include box (21), locate constant temperature heating unit (22) and water pump (24) in the box (21) outside, box (21) inside be equipped with total control platform (5) electric connection's electric heating pipe (23) and temperature sensor (25).
3. The edge banding panel furniture moisture resistance tester of claim 1, wherein: the transfer component (3) comprises a linear motor (31) arranged on the host platform (1) and a sliding seat (32) arranged on the linear motor (31) in a sliding manner, and a support (33) is arranged on the outer side of the sliding seat (32).
4. The edge banding panel furniture moisture resistance tester of claim 1, wherein: negative pressure centre gripping subassembly (4) are including locating vacuum pump (41) and the side bearer (42) that are connected on transferring subassembly (3), the outside coupling of side bearer (42) has pivot (43), and the drive end of pivot (43) is connected with servo motor (44), the outside symmetry coupling of pivot (43) has two limiting plates (45), and is equipped with same negative pressure membrane (46) between two limiting plates (45) and side bearer (42), the bottom of vacuum pump (41) is equipped with gas-supply pipe (47) that have solenoid valve (48), negative pressure membrane (46) have many to the top be equipped with screwed joint (49) with gas-supply pipe (47) threaded connection.
5. The edge banding panel furniture moisture barrier of claim 4, wherein: and a sealing cover (7) which is matched with the top opening end of the constant-temperature water bath box (2) is fixedly arranged outside the vacuum pump (41).
6. The edge banding panel furniture moisture resistance tester of claim 1, wherein: the inner side wall of the constant temperature water bath box (2) is provided with a contact switch (8) which is electrically connected with the master control platform (5) near the top opening end.
7. A method for detecting the moisture resistance of edge banding panel furniture by the moisture resistance detector according to any one of claims 1-6, characterized in that: the method specifically comprises the following steps of,
s1, cutting the edge sealing plate into a square furniture test piece (9) with the same edge length, ensuring that at least one side surface is a complete edge sealing surface which is used as a to-be-detected edge, weighing the mass M0 of the furniture test piece (9) before soaking through an electronic weighing platform (6), determining the density rho of the furniture test piece (9) through a master control platform (5), and calculating the volume V0 of the furniture test piece (9) before soaking according to a density formula;
s2, after the edge to be measured is set on the furniture test piece (9), the furniture test piece (9) is clamped by the negative pressure clamping assembly (4) so that the edge to be measured is exposed outside, the negative pressure clamping assembly (4) is driven by the transfer assembly (3) to immerse the furniture test piece (9) clamped by the negative pressure clamping assembly into the constant temperature water bath box (2) for 4 hours, and then the furniture test piece is taken out;
s3, drying the surface moisture of the furniture test piece (9) until the surface moisture is not dropped, weighing the mass M1 of the soaked furniture test piece (9) again through the electronic weighing table (6), calculating the volume V1 of the furniture test piece (9) before soaking according to a density formula, and finally calculating the water absorption expansion rate of the furniture test piece (9).
8. The method of claim 7, wherein the water absorption expansion ratio is T, and the calculation formula is as follows: t ═ V1-V0)/V0 × 100%.
9. The method for detecting the moisture resistance of the edge banding panel furniture as claimed in claim 7, wherein in S1, the density p of the furniture test piece (9) is determined according to the wood density table in the database built in the master control platform (5).
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| CN202110989215.0A CN113654940A (en) | 2021-08-26 | 2021-08-26 | Edge banding panel furniture moisture resistance detection machine and detection method |
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| CN202110989215.0A CN113654940A (en) | 2021-08-26 | 2021-08-26 | Edge banding panel furniture moisture resistance detection machine and detection method |
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