JP3245632U - Physical property detection system for compacted wood manufacturing materials - Google Patents

Abstract

The present invention provides a physical property detection system for compacted wood manufacturing materials that improves survey accuracy. [Solution] A physical property detection system for a consolidated wood manufacturing material includes a conveyance line, a loading shelf installed in the conveying line, and a detection structure attached to the loading shelf, and the detection structure is connected to a display module and a display module. It includes an electrically connected moisture content measuring meter, and the moisture content measuring meter is installed with a microwave transmitting end and a microwave receiving end cooperating with the microwave transmitting end, and the microwave transmitting end and the microwave receiving end are installed. are installed facing each other, and the distance between the microwave transmitting end and the microwave receiving end is greater than the thickness of the wooden board, allowing the wooden board to pass through. The physical property detection system for consolidated wood manufacturing materials of the present invention realizes online moisture content measurement of wooden boards by attaching a detection structure to the conveyance line, and the moisture content meter detects moisture on the surface of the wooden boards. Not only that, but also the moisture content inside the wooden board can be detected. [Selection diagram] Figure 5

Description

TECHNICAL FIELD The present invention relates to a detection device, and more particularly to a system for detecting physical properties of compacted wood manufacturing materials.

Measuring and monitoring of moisture content in wood product production is one of the important factors affecting the quality of wood products, and measurement of moisture content is an important quality check to ensure that the final wood products meet user requirements. It is a control means.

Currently, the common method for measuring moisture content is the oven drying method, that is, the moisture content of wood is measured by the drying method, and in the production of wooden boards, the moisture content of wood boards is controlled within a predetermined range. In order to ensure the quality of wood board products, the wood processing parts are placed in the oven and the wood board is dried in a drying oven at 103±2℃.Due to the influence of environmental factors, after the wood board is dried, some parts will still remain. There is a problem that the moisture content of wooden boards does not reach the standard. Some wooden boards whose moisture content does not meet the requirements are selected and subjected to secondary drying, and the entire process is carried out to manually detect the moisture content of each wooden board with a hand-held wood moisture content meter. The operation is complicated, it takes time and effort, and the efficiency is low. Secondly, the measuring meter is a resistance type moisture content meter, and the lack of measuring the moisture content of wood by electrical measurement method has a limited measurement range. Moreover, the measurement accuracy is low.

In addition, there are also patents already disclosed by the applicant, for example: the patent with publication number CN111196407A is a device for evenly discharging compressed water vapor on the surface of compacted wood and a pipeline for compacted wood equipment, and a pipeline detection module. The moisture content meter 77 in the detection module detects the moisture content of the wood, but this pipeline is only applicable to large wooden boards with a length of 3 meters, and the moisture content meter 77 in the detection module detects the moisture content of the wood surface. can only be detected, and the detection accuracy is not high.

The present invention provides a physical property detection system for compacted wood manufacturing materials, which improves the measurement accuracy for wooden boards.

In order to achieve the above object, the technical solutions of the present invention are as follows. A system for detecting physical properties of compacted wood manufacturing materials, comprising a conveyance line, a loading shelf installed in the conveying line, and a detection structure attached to the loading shelf, the detection structure including a display module and an electrical connection to the display module. the moisture content measuring meter is installed with a microwave transmitting end and a microwave receiving end cooperating with the microwave transmitting end, and the microwave transmitting end and the microwave receiving end are connected to each other. are installed facing each other, and the distance between the microwave transmitting end and the microwave receiving end is greater than the thickness of the wooden board, allowing the wooden board to pass through.

As a further improvement, a detection electrode is installed at the microwave transmission end, the detection electrode is connected to a data processor in the display module, and the data processor presets the measurement range of the water content and transmits the microwave. The detection electrode at the end is pressed against the wooden board, and the detection electrode at the microwave transmitting end and the microwave receiving end measure the moisture content of the wooden board.

As a further improvement, the microwave transmitting end is installed in a lower connecting segment of the conveying roller shaft in the first conveying mechanism of the conveying line and is close to the conveying roller axis, and the microwave receiving end is installed in the first conveying mechanism of the conveying line. It is installed in the connection segment above the transport roller shaft in the transport mechanism.

As a further refinement, the detection structure further includes a weight detector electrically connected to the display module, the weight detector being attached to the two guide arms of the first transport mechanism.

As a further refinement, the weight detector is a weighing device mounted between the two guide arms of the first transport mechanism.

As a further refinement, the detection structure further includes an intensity detector electrically connected to the display module, the intensity detector being attached to one guide arm of the first transport mechanism; A stopper is installed on the guide arm on the opposite side.

As a further refinement, the intensity detector is placed outside the transport roller axis and a pressure sensor is placed inside the intensity detector.

As a further improvement, the conveyance line includes the first conveyance mechanism and the second conveyance mechanism, and the first conveyance mechanism includes a bracket, two guide arms attached to the bracket, and two guide arms. It includes several transport roller shafts installed between them and a driver that drives the transport roller shaft to rotate with respect to the two guide arms.

As a further improvement, the second transport mechanism includes two guide rails attached to a bracket and several transmission shafts installed between the two guide rails, the two guide rails are , perpendicular to the two guide arms of the first conveying mechanism and facing the article entrance at one end of the two guide arms, and several transmission shafts rotate between the two guide rails. The spacing between each adjacent transmission shaft is the same.

As a further refinement, the storage shelf comprises two support segments and two adjustable spacing connecting segments installed between the two support segments, the two support segments being connected to the two support segments. The two connecting segments are mounted correspondingly to the guide arm and are mutually perpendicular to the guide arm, and the two connecting segments are installed in parallel between the two supporting segments, and one of the connecting segments is connected to the first conveying One connecting segment is placed at the bottom of the conveyor roller axis of the mechanism, and one other connecting segment is placed at the top of the conveyor roller axis of the first conveyor mechanism.

The above technical solution of the present invention has the following beneficial effects. The physical property detection system for consolidated wood manufacturing materials of the present invention realizes online moisture content measurement of wooden boards by attaching a detection structure to the conveyance line. Not only can it be detected, but it can also detect the moisture content inside the wooden board, improving surveying accuracy.

1 is a schematic diagram of the overall structure of a system for detecting physical properties of compacted wood manufacturing materials according to the present invention; FIG. FIG. 2 is a schematic diagram of a detection structure module of the system for detecting physical properties of compacted wood manufacturing materials according to the present invention; FIG. 2 is a partial structural schematic diagram of a moisture content measuring meter in the physical property detection system for compacted wood manufacturing materials of the present invention. FIG. 2 is a partial structural diagram of a moisture content measuring meter in the physical property detection system for compacted wood manufacturing materials of the present invention; FIG. 2 is a front view of the entire mounting structure of the moisture content measuring meter in the physical property detection system for compacted wood manufacturing materials of the present invention.

Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings and examples.

As shown in FIGS. 1 to 5, the consolidated wood manufacturing material physical property detection system of the present invention can be used to measure the physical properties of a wooden board 100, such as physical parameters such as weight, strength, and moisture content. It will be done. It includes a transport line 10, a mounting shelf 30 installed on the transport line 10, and a detection structure 20 attached to the mounting shelf 30.

As shown in FIG. 1, the conveyance line 10 is used to convey wooden board articles, and the conveyance line 10 includes a first conveyance mechanism 101 and a second conveyance mechanism 102. Reference numeral 101 indicates a bracket, two guide arms 103 attached to the bracket, several conveyor roller shafts 104 installed between the two guide arms 103, and two guide arms by driving the conveyor roller shaft 104. 103. The two guide arms 103 are installed in parallel, and one end forms an article entrance (in the direction indicated by the arrow in FIG. 1). The conveyance roller shaft is rotatably installed between the two guide arms 103.

Mounting shelves 30 are installed at corresponding ends of the two guide arms of the first transport mechanism 101 in the transport line 10 and are used to cooperatively mount the detection structure 20 . The second conveyance mechanism 102 is installed at one end of the first conveyance mechanism 101 and faces the article entrance at one end of the two guide arms 103, so that after the wooden board article enters along the entrance, After being conveyed by the conveyance roller shaft and detected by the detection structure 20 , it is sent out along the other ends of the two guide arms 103 and enters the second conveyance mechanism 102 .

Specifically, the second transport mechanism 102 includes two guide rails 106 attached to a bracket and several transmission shafts 107 installed between the two guide rails 106. The two guide rails 106 are installed in parallel and perpendicular to the two guide arms of the first transport mechanism 101, and face the article entrance at one end of the two guide arms 103. Several transmission shafts 107 are rotatably installed between two guide rails 106, and the spacing between each two transmission shafts 107 is the same.

As shown in FIGS. 4 and 5, the mounting shelf 30 is attached to the corresponding ends of the two guide arms 103 of the first transport mechanism 101 in the transport line 10. It includes a segment 31 and two connecting segments 32 installed between the two support segments 31, the two support segments 31 are attached correspondingly to the two guide arms 103 and are connected to the guide arms 103 and each other. vertically, the two connecting segments 32 are installed in parallel between the two supporting segments 31, and one of the connecting segments 32 is placed below the conveying roller axis of the first conveying mechanism 101. , the other connecting segment 32 is placed on the upper part of the conveying roller axis of the first conveying mechanism 101 and is used to cooperatively attach the detection structure 20, and the other connecting segment 32 is located between the upper and lower parts of the two connecting segments 32. The spacing is adjustable.

The detection structure 20 is attached to the first transport mechanism 101 of the transport line 10 and the two connecting segments 32 of the mounting shelf 30 and is used to measure the weight, strength and moisture content of the wooden board 100. Specifically, as shown in FIG. 2, the detection structure 20 includes a display module 204, a weight detector 201 electrically connected to the display module 204, an intensity detector 202, and a moisture content meter 203, Among them, the weight detector 201 and the strength detector 202 are attached to the two guide arms 103 of the first transport mechanism 101, and the moisture content measuring meter 203 is attached to the two connecting segments 32 of the mounting shelf 30. It will be done.

As shown in FIG. 1, the weight detector 201 is a weighing device installed between the two guide arms 103 of the first transport mechanism 101, and is used to measure the weight of the wooden board 100. The bottom of the weighing machine is fixed by an elevating chassis, and when the wooden board reaches the tray position of the weighing machine, the elevating chassis is raised, and the wooden board is separated from the first conveying mechanism 101 and weighed. In this embodiment, the elevating chassis employs a hydraulic lever drive structure, and the elevating chassis is moved up and down by the hydraulic lever.

As shown in FIG. 1, the strength detector 202 is attached to one guide arm 103 of the first transport mechanism 101 and is used to measure the strength of the wooden board. A pressure sensor 202 is installed outside the conveying roller shaft, and a pressure sensor is installed inside the strength detector 202. The strength detector 202 detects the impact force applied to the wooden board, and further measures the strength of the wooden board. A stopper (not shown) is installed on the guide arm 103 on the opposite side of the strength detector 202, the stopper stops the wooden board, and after the strength detector 202 detects the strength of the wooden board, the wooden board is displaced and to prevent it from affecting the detection of moisture content. For example, when feeding an article, the wooden board is offset by one distance L, and the resistance of different wooden boards at a fixed distance is different. The stopper ensures that the L of each wood board is the same, measures the strength, and ensures the detection accuracy of the moisture content of the wood board in the later stages.

As shown in FIGS. 3 to 5, the moisture content meter 203 is attached to the two connecting segments 32 of the mounting shelf 30, and the regulator 106 is attached to the guide arm 103 on one side of the moisture content meter 203. The height of the wooden board to be detected is adjusted by the adjuster 106, and the accuracy of detecting the wooden board is further improved. Improve and adjust.

A microwave transmitting end 2031 and a microwave receiving end 2032 that cooperates with the microwave transmitting end 2031 are installed in the moisture content measuring meter 203 , and the microwave transmitting end 2031 is connected to the lower part of the conveying roller shaft in the first conveying mechanism 101 . The microwave receiving end 2032 is installed in the connecting segment 32 above the transport roller shaft in the first transport mechanism 101 and is close to the microwave transmitting end 2031 and the microwave receiving end 2032 . The receiving ends 2032 are installed to face each other, and the distance between the microwave transmitting end 2031 and the microwave receiving end 2032 is greater than the thickness of the wooden board, allowing the wooden board 100 to pass through.

Specifically, detection electrodes are installed at the microwave transmission end 2031 and the microwave reception end 2032, the detection electrodes are connected to the data processor in the display module 204, and the detection electrodes at the microwave transmission end 2031 are arranged on a wooden board. The moisture content of the wooden board is measured by the microwave transmitting end 2031 and the microwave receiving end 2032. When the detection electrode detects that the moisture content of the wooden board is not within the preset range value of the controller, it transmits a signal to cause the data display of the display module 204 to become abnormal and generate an alarm (for example, the moisture content of the wooden board is not within the preset range value of the controller). If the range value is 9-16% and the moisture content of the wooden board is larger or smaller than the preset range, the data display of the display module 204 becomes abnormal and an alarm is issued), the wooden board 100 When entering the second conveying mechanism 102 along the first conveying mechanism 101, the wooden board is taken out, and if the detection probe detects that the moisture content of the wooden board is within the preset range value of the controller, the display The data display of the module 204 is normal, and the wooden board is then transmitted to the second conveyance mechanism 102 by the conveyance roller shaft, and then conveyed to the next process by the transmission shaft 107 in the second conveyance mechanism 102. The moisture content meter 203 can not only detect the moisture on the surface of the wooden board, but also the moisture content inside the wooden board, improving measurement accuracy.

During detection, the wooden board 100 is entered into the first transport mechanism 101 along the article entrance in the transport line 10, and the wooden board is transmitted by the transport roller shaft and detected by the detection structure 20, specifically the wooden board When the wooden board reaches the tray position of the weight detector 201, the lifting chassis rises, detaches the wooden board from the first transport mechanism 101, weighs it, measures the weight of the wooden board, and displays the data on the display module 204. , when the wooden board reaches the strength detector 202, the pressure sensor in the strength detector 202 monitors the impact force that the wooden board receives, measures the strength of the wooden board, displays the data on the display module 204, and displays the data on the display module 204. When the water content reaches between the microwave transmitting end 2031 and the microwave receiving end 2032 in the water content measuring meter 203, the pressing member presses the detection probe of the microwave transmitting end 2031 against the wooden board, and the microwave transmitting end 2031 The detection probe and the microwave receiving end 2032 measure the moisture content of the wooden board, and the detection electrode transmits a signal when it detects that the moisture content of the wooden board is not within the preset range value of the controller. The data display of the display module 204 becomes abnormal and an alarm is issued, and when the wooden board enters the second transport mechanism 102 along the first transport mechanism 101, the wooden board is taken out, and the detection electrode detects the water content of the wooden board. If it is detected that is within the preset range value of the controller, the data display on the display module 204 is normal, and the wooden board will continue to be transmitted to the second transport mechanism 102 by the transport roller shaft, and will be transferred to the second transport mechanism 102. The transmission shaft 107 in the transport mechanism 102 continues to transport the material to the next step.

As explained above, the physical property detection system for compacted wood manufacturing materials of the present invention is capable of detecting small wooden boards for residential interior construction, especially those with a length of 50cm-150cm and a width of 22 or 44cm. By attaching the detection structure 20 to the conveyance line 10 for a wooden board, online measurement of the moisture content of the wooden board 100 is realized, and the moisture content measuring meter 203 is capable of detecting moisture on the surface of the wooden board. Not only can the moisture content inside the wooden board be detected, improving the measurement accuracy, then the weight detector 201 and strength detector 202 in the detection structure 20 can further detect the weight and strength of the wooden board. It can be detected and improve the detection range and detection parameters of wooden board.

The examples described above merely illustrate preferred embodiments of the present invention, do not limit the scope of the present invention, and can be easily understood by those skilled in the art without departing from the spirit of the design of the present invention. Various modifications and improvements made to the technical solution of the invention are all included in the protection scope determined by the claims of the present invention.

Claims (10)

The detection structure (20) includes a conveyance line (10), a loading shelf (30) installed on the conveying line (10), and a detection structure (20) attached to the loading shelf (30), and the detection structure (20) includes a display module. (204) and a display module (204), the moisture content meter (203) is connected to a microwave transmitting end (2031) and a microwave transmitting end ( A microwave receiving end (2032) is installed to cooperate with the microwave transmitting end (2031) and the microwave receiving end (2032), and the microwave transmitting end (2031) and the microwave receiving end (2032) are installed facing each other, and the microwave transmitting end (2031) and the microwave A physical property detection system for a consolidated wood manufacturing material, characterized in that the distance between the wave receiving end (2032) and the wood board is larger than the thickness of the wood board, allowing the wood board to pass through. Detection electrodes are installed at the microwave transmission end (2031) and the microwave reception end (2032), and the detection electrodes are connected to a data processor in the display module (204), and the data processor determines the measurement range of water content. is set in advance and pressed against the wooden board by the detection electrode of the microwave transmission end (2031), and the detection electrode of the microwave transmission end (2031) and the microwave reception end (2032) measure the moisture content of the wooden board. A system for detecting physical properties of a compacted wood manufacturing material according to claim 1. The microwave transmitting end (2031) is installed at a connection segment (32) below the conveying roller shaft in the first conveying mechanism (101) of the conveying line (10), is close to the conveying roller axis, and transmits the microwave. The physical property detection system for consolidated wood manufacturing material according to claim 1, wherein the receiving end (2032) is installed at a connecting segment (32) above the conveying roller shaft in the first conveying mechanism (101). The detection structure (20) further includes a weight detector (201) electrically connected to the display module (204), and the weight detector (201) is connected to two of the first transport mechanisms (101). A physical property detection system for consolidated wood manufacturing material according to claim 1, wherein the system is mounted on a guide arm (103) of a compact wood manufacturing material. 5. The physical property detection of a compacted wood manufacturing material according to claim 4, wherein the weight detector (201) is a weighing device installed between two guide arms (103) of the first transport mechanism (101). system.
Said detection structure (20) further includes an intensity detector (202) electrically connected to a display module (204), said intensity detector (202) being connected to one of the first transport mechanisms (101). The system for detecting physical properties of a consolidated wood manufacturing material according to claim 1, wherein a stopper is installed on the guide arm (103) on the opposite side of the intensity detector (202). The physical property detection system for consolidated wood manufacturing material according to claim 6, wherein the strength detector (202) is installed outside the conveying roller axis, and a pressure sensor is installed inside the strength detector (202). The conveyance line (10) includes the first conveyance mechanism (101) and the second conveyance mechanism (102), and the first conveyance mechanism (101) includes a bracket and two guides attached to the bracket. It includes an arm (103), several conveyor roller shafts installed between the two guide arms (103), and a driver that drives the conveyor roller shaft to rotate with respect to the two guide arms (103). A system for detecting physical properties of a compacted wood manufacturing material according to claim 3. The second transport mechanism (102) includes two guide rails (106) attached to a bracket and several transmission shafts (107) installed between the two guide rails (106). , the two guide rails (106) are perpendicular to the two guide arms of the first transport mechanism (101), and face the article entrance at one end of the two guide arms (103); According to claim 8, several transmission shafts (107) are rotatably installed between two guide rails (106), and the spacing between each adjacent transmission shaft (107) is the same. Physical property detection system for compacted wood manufacturing materials. The said storage shelf (30) includes two support segments (31) and two space-adjustable connection segments (32) installed between the two support segments (31), The segments (31) are attached correspondingly to the two guide arms (103) and are mutually perpendicular to the guide arms (103), and the two connecting segments (32) are connected to the two support segments (31). and one of the connecting segments (32) is placed below the conveying roller axis of the first conveying mechanism (101), and the other connecting segment (32) The system for detecting physical properties of consolidated wood manufacturing material according to claim 9, wherein the system is placed on top of the conveying roller shaft of the first conveying mechanism (101).

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