A door leaf online measuring device

Abstract

This invention provides an online door leaf measurement device, comprising a lifting workpiece conveying mechanism, an online measurement platform, and a measuring mechanism mounted on a frame. The measuring mechanism is mounted on the frame via a sliding mechanism. The measuring mechanism measures the length, width, and thickness of the workpiece to be inspected and collects measurement data. The sliding mechanism is mounted on the frame, and the measuring mechanism is mounted on the sliding mechanism. This online door leaf measurement device achieves online measurement of the length, width, and thickness of the door leaf through the cooperation of the measuring mechanism and the bidirectional sliding mechanism. Furthermore, analysis of the thickness data can yield the door leaf warpage, significantly improving measurement accuracy, saving considerable labor time compared to manual measurement, and increasing efficiency in the door leaf production process.

Description

Technical Field

[0001] The invention relates to the technical field of wooden door processing equipment, and in particular to an online measuring device for door leaves. Background Art

[0002] During the inspection process, wooden doors need to be manually inspected for length, width, thickness and warping. The length, width and thickness are usually measured using a tape measure, and the distortion is usually tested by manual visual observation. The measurement accuracy is low and it cannot be automatically inspected online, which is not conducive to industrial production. Summary of the invention

[0003] In order to solve the above problems, the present invention provides an online measuring device for door leaves, which realizes online measurement of the length, width and thickness of the door leaf through the cooperation of the measuring mechanism and the bidirectional sliding mechanism. At the same time, the warping of the door leaf can be obtained by analyzing the thickness data, which greatly improves the measurement accuracy, realizes online automatic measurement, and improves the efficiency of the door leaf production process.

[0004] In order to achieve the above purpose, a technical solution adopted by the present invention is:

[0005] A door leaf online measurement device comprises a lifting workpiece conveying mechanism, an online measurement working platform and a measuring mechanism arranged on a frame, wherein the measuring mechanism is arranged on the frame through a sliding mechanism, and the measuring mechanism is used to measure the length, width and thickness of the workpiece to be inspected and collect measurement data; the sliding mechanism is arranged on the frame, and the measuring mechanism is arranged on the sliding mechanism.

[0006] Furthermore, the sliding mechanism includes a crossbeam, a longitudinal driving mechanism and a transverse driving mechanism. The crossbeam is slidably arranged on the frame via a longitudinal guide rail, the longitudinal driving mechanism is arranged on the frame, and the lower end of the crossbeam is slidably connected to the frame via a longitudinal guide rail; the measuring mechanism is arranged on the crossbeam via the transverse driving mechanism, and the measuring mechanism is slidably connected to the crossbeam via a transverse guide rail.

[0007] Furthermore, there is at least one set of longitudinal drive mechanisms, and the longitudinal drive mechanisms adopt rack and pinion transmission; the transverse drive mechanisms adopt screw transmission.

[0008] Furthermore, the measuring mechanism also includes a slide plate, a motor mounting seat, a rotating seat, a switch mounting plate and a limit switch. The slide plate is connected to the crossbeam through the screw rod. The motor mounting seat is arranged on the slide plate. The rotating motor is arranged on the motor mounting seat. The rotating motor drives the rotating seat to rotate. The limit switch is arranged on the slide plate. A limit block is arranged on the top of the rotating seat. The measuring head of the measuring mechanism is arranged on the rotating seat. The limit switch cooperates with the limit block to detect the position of the measuring head of the measuring mechanism. Further, it also includes a workpiece positioning mechanism. The workpiece positioning mechanism includes a lifting side positioning mechanism, a lifting side pushing mechanism and an end positioning mechanism. There is at least one lifting side positioning mechanism. The lifting side positioning mechanism is arranged on the frame. The lifting side pushing mechanism is arranged on the slide plate through a connecting rod. The end positioning mechanism is arranged on the frame. The end positioning mechanism is positioned by a proximity switch.

[0009] Furthermore, the lifting type side thrust mechanism includes a first cylinder, a first guide rod, a side thrust wheel and a guide block, the first cylinder is arranged on the connecting rod, the upper end of the first guide rod is arranged on the connecting rod, the lower end of the first guide rod is slidably connected to the guide block, the side thrust wheel is arranged on the guide block, there are at least two side thrust wheels, the axes of the multiple side thrust wheels are perpendicular to the horizontal plane, and the side thrust wheels are arranged relative to the lifting type side positioning mechanism.

[0010] Furthermore, the lifting side positioning mechanism includes a second cylinder, a cylinder mounting plate, a second guide rod and a backrest baffle, the second cylinder is arranged on the frame through the cylinder mounting plate, the upper end of the second guide rod is connected to the backrest baffle, the lower end of the second guide rod is slidably connected to the cylinder mounting plate, and the output shaft of the second cylinder is connected to the backrest baffle.

[0011] Furthermore, it also includes a workpiece identification device arranged on the frame, and the workpiece identification device is used to collect basic information of the workpiece.

[0012] Furthermore, the measuring head of the measuring mechanism is at least one laser measuring head.

[0013] The above technical solution of the present invention has the following advantages compared with the prior art:

[0014] (1) The present invention provides an online door leaf measuring device, which realizes online measurement of the length, width and thickness of the door leaf through the cooperation of the measuring mechanism and the bidirectional sliding mechanism. At the same time, the warping degree of the door leaf can be obtained by analyzing the thickness data, which greatly improves the measurement accuracy, realizes online automatic measurement, and improves the efficiency of the door leaf production process.

[0015] (2) The online door leaf measuring device of the present invention is provided with a workpiece positioning mechanism, which improves the measurement accuracy and avoids the influence of the workpiece being placed improperly on the measurement accuracy.

[0016] (3) The present invention provides an online door leaf measuring device, which is equipped with a workpiece identification device. When in use, the user posts the parameter information of the wooden door on the wooden door in the form of an electronic tag. When the wooden door moves to the workpiece identification device, the workpiece identification device identifies the parameter information of the wooden door and sends it to the control system. The control system calculates the detection result based on the obtained parameter information and the actual length, width and thickness information of the wooden door.

[0017] (4) The online door leaf measuring device of the present invention is provided with a longitudinal limiter to prevent unexpected equipment damage. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] The technical solutions and beneficial effects of the present invention will be made apparent by describing in detail the specific embodiments of the present invention in conjunction with the accompanying drawings.

[0019] Figure 1~2 The figure shows a structural diagram of an online door leaf measuring device according to an embodiment of the present invention;

[0020] Figure 3 The figure shows a structural diagram of a sliding mechanism according to an embodiment of the present invention;

[0021] Figure 4 Shown is a structural diagram of a measuring mechanism according to an embodiment of the present invention;

[0022] Figure 5 The figure shows a structural diagram of a lifting side thrust mechanism according to an embodiment of the present invention;

[0023] Figure 6 FIG. 1 is a structural diagram of a lifting side positioning mechanism according to an embodiment of the present invention.

[0024] Reference numerals in the figures:

[0025] 1 frame, 2 lifting workpiece conveying mechanism, 3 online measurement working platform, 4 measuring mechanism, 41 length measuring mechanism, 42 width measuring mechanism, 43 thickness measuring mechanism, 44 switch mounting plate, 45 slide plate, 46 motor mounting seat, 47 rotating seat, 5 limit switch, sliding mechanism, 61 crossbeam, 62 longitudinal driving mechanism, 63 transverse driving mechanism, 631 transverse driving motor, 632 belt, 633 driven wheel, 634 screw rod, 64 longitudinal guide rail, 65 transverse guide rail, 7 workpiece identification device, 8 longitudinal limit part, 9 lifting side push mechanism, 91 connecting rod, 92 first cylinder, 93 first guide rod, 94 side push wheel, 95 guide block, 96 second cylinder, 97 cylinder mounting plate, 98 second guide rod, 99 backing baffle, 10 measurement starting position. DETAILED DESCRIPTION

[0026] 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 described embodiments 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 those skilled in the art without creative work are within the scope of protection of the present invention.

[0027] This embodiment provides a door leaf online measurement device, such as Figure 1~2 As shown, it includes a lifting workpiece conveying mechanism 2, an online measurement work platform 3, a measuring mechanism 4 and a workpiece positioning mechanism arranged on a frame 1. The measuring mechanism 4 is arranged on the frame 1 through a sliding mechanism, and the workpiece positioning mechanism is arranged on the frame 1. When in use, the door leaf to be inspected is transported from one end of the lifting workpiece conveying mechanism 2 to the online measurement work platform 3 for positioning. After positioning is completed, the measuring mechanism 4 measures the length, width and thickness of the door leaf to be inspected and collects the measurement data. The control system analyzes the measured data to obtain the detection result.

[0028] The sliding mechanism includes a crossbeam 61, a longitudinal driving mechanism 62 and a transverse driving mechanism 63. The crossbeam 61 is slidably arranged on the frame 1 through a longitudinal guide rail 64. The longitudinal driving mechanism 62 is arranged on the frame 1. The lower end of the crossbeam 61 is slidably connected to the frame 1 through the longitudinal guide rail 64. The measuring mechanism 4 is arranged on the crossbeam 61 through the transverse driving mechanism 63. The measuring mechanism 4 is slidably connected to the crossbeam 61 through a transverse guide rail 65.

[0029] The longitudinal drive mechanism 62 is at least one group, the longitudinal drive mechanism 62 is driven by a gear rack, and the transverse drive mechanism 63 is driven by a screw. The longitudinal drive mechanism 62 is preferably two groups, respectively located at the two ends of the beam 61, and the use of dual drive improves the stability of the beam 61 during sliding, further improving the measurement accuracy.

[0030] Each set of the longitudinal drive mechanism 62 includes a longitudinal drive motor, a gear and a rack. The rack is arranged on the frame 1. The longitudinal drive motor is connected to the crossbeam 61 through a connecting plate. The output shaft of the drive motor passes through the connecting plate and is connected to the gear. The gear is driven to rotate by the longitudinal drive motor, and the crossbeam 61 is dragged to slide along the longitudinal guide rail 64. The longitudinal movement of the crossbeam 61 is realized, and the longitudinal movement of the measuring mechanism 4 is realized.

[0031] like Figure 3As shown, the transverse driving mechanism 63 is a screw transmission mechanism, which drives the screw 634 to rotate through the transverse driving motor 631, and drags the measuring mechanism 4 to slide along the transverse guide rail 65. Specifically, the transverse driving mechanism 63 includes a transverse driving motor 631, a belt 632, a driven wheel 633 and a screw 634. Both ends of the screw 634 are mounted on the top of the crossbeam 61 through a bearing seat. The transverse driving motor 631 is arranged at one end of the crossbeam 61. The output shaft of the transverse driving motor 631 is connected to the driving wheel, and the driving wheel is connected to the driven wheel 633 through a belt 632. The driven wheel 633 is connected to the screw 634, and the measuring mechanism 4 is connected to the screw 634. The diameter of the driven wheel 633 is larger than the diameter of the driving wheel, which achieves a deceleration effect and improves the stability during the sliding process.

[0032] like Figure 4 As shown, the measuring head of the measuring mechanism 4 is preferably a laser measuring head, and the number of the laser measuring heads can be at least one. When there are two laser measuring heads, the length measuring mechanism and the width measuring mechanism share one laser measuring head, and the thickness measuring mechanism uses a separate laser measuring head. When measuring the door leaf to be inspected, the position of the laser measuring head must be rotated each time a side detection is switched so that the laser measuring head is aligned with the area to be inspected.

[0033] When there are two laser measuring heads, the length measurement and width measurement need to be rotated 360° during the test, which can easily cause the connecting wires to be entangled, and the control system calculation process is more complicated. In order to improve the measurement efficiency and realize the detection of all-round data, it is preferred that the measuring mechanism 4 is three laser measuring heads, namely the length measuring mechanism 41, the width measuring mechanism 42 and the thickness measuring mechanism 43. The sliding mechanism is arranged on the frame 1, and the measuring mechanism 4 is arranged on the top of the sliding mechanism. The measuring directions of the length measuring mechanism 41 and the width measuring mechanism 42 face the side of the door leaf. Preferably, the measuring directions of the length measuring mechanism 41 and the width measuring mechanism 42 are perpendicular to each other, and the measuring direction of the thickness measuring mechanism 43 is downward. The length measuring mechanism 41, the width measuring mechanism 42 and the thickness measuring mechanism 43 are used to measure the length, width and thickness of the door leaf respectively. The length measuring mechanism 41 and the width measuring mechanism 42 collect data separately. When measuring the four sides of the door leaf, the rotating seat only needs to rotate 180° clockwise or counterclockwise at two diagonal positions to realize the length measuring mechanism and the width measuring mechanism to collect data separately, which improves the convenience of calculation and avoids data calculation errors.

[0034] The measuring mechanism 4 also includes a slide plate 45, a motor mounting seat 46, a rotating seat 47, a switch mounting plate 44 and a limit switch 5. The slide plate 45 is connected to the crossbeam 61 through the screw rod 634. The motor mounting seat 46 is arranged on the slide plate 45. The rotating motor is arranged on the motor mounting seat 46. The rotating motor drives the rotating seat 47 to rotate. The limit switch 5 is arranged on the slide plate 45. A limit block is arranged on the top of the rotating seat 47. The length measuring mechanism 41, the width measuring mechanism 42 and the thickness measuring mechanism 43 are respectively arranged on the rotating seat 47. The limit switch 5 cooperates with the limit block to detect the position of the measuring head of the measuring mechanism 4. When the length and width measurements share the same measuring head, four sets of limit switches and limit blocks need to be set at each measuring position to identify whether the length or width measurement position is in place. When a measuring head is used for each of the length and width measurements, two sets of limit switches and limit blocks can be set to identify whether the position switch is in place, respectively, to prevent measurement errors caused by position deviations of the measuring mechanisms. Figures 5 and 6 As shown, the workpiece positioning mechanism includes a lifting side positioning mechanism, a lifting side pushing mechanism 9 and an end positioning mechanism. There is at least one lifting side positioning mechanism. The lifting side positioning mechanism is arranged on the frame 1. The lifting side pushing mechanism 9 is arranged on the slide 45 through a connecting rod 91. The end positioning mechanism is positioned by a proximity switch. The end positioning mechanism is arranged on the frame 1. Preferably, the end positioning mechanism is a proximity switch. When in use, when the door leaf is transported to the position of the end positioning mechanism by the lifting workpiece conveying platform 2, the lifting workpiece conveying mechanism 2 stops moving and descends until the door leaf falls on the online measurement work platform 3, and the length direction of the door leaf is in place. The lifting side positioning mechanism cooperates with the lifting side pushing mechanism 9 to realize the positioning of the width of the door leaf. After the positioning is completed, the measuring mechanism 4 measures the size of the door leaf driven by the sliding mechanism.

[0035] The lifting side thrust mechanism 9 includes a first cylinder 92, a first guide rod 93, a side thrust wheel 94 and a guide block 95. The first cylinder 92 is arranged on the connecting rod 91. The upper end of the first guide rod 93 is arranged on the connecting rod 91. The lower end of the first guide rod 93 is slidably connected with the guide block 95. The side thrust wheel 94 is arranged on the guide block 95. There are at least two side thrust wheels. The axes of the plurality of side thrust wheels 94 are perpendicular to the horizontal plane. The side thrust wheels are arranged opposite to the lifting side positioning mechanism. When in use, the lifting side thrust mechanism 9 is driven by the sliding mechanism to move to the middle position of the side edge of the door leaf. The first cylinder 92 is actuated to place the side thrust wheel 94 on the side of the door leaf away from the lifting positioning mechanism. The lateral drive motor 631 is actuated to drive the side thrust wheel 94 to move toward the lifting positioning mechanism to position the door leaf. After the positioning is completed, the first cylinder 92 drives the side thrust wheel 94 to rise to prevent the lifting side thrust mechanism 9 from affecting the measurement of the door leaf.

[0036] The lifting side positioning mechanism includes a second cylinder 96, a cylinder mounting plate 97, a second guide rod 98 and a backing baffle 99. The second cylinder 96 is arranged on the frame 1 through the cylinder mounting plate 97. The upper end of the second guide rod 98 is connected to the backing baffle 99. The lower end of the second guide rod 98 is slidably connected to the cylinder mounting plate 97. The output shaft of the second cylinder 96 is connected to the backing baffle 99. The lifting positioning mechanism cooperates with the lifting side pushing mechanism 9 to realize the width positioning of the door leaf with measurement.

[0037] Preferably, the workpiece identification device 7 on the frame 1 is used to collect basic information of the workpiece. Preferably, the workpiece identification device 7 is a QR code recognition or other electronic tag recognition device. When in use, the operator can post the basic information of the door leaf on the door leaf to be measured. When the door leaf moves to the online measurement work platform 3, the workpiece identification device 7 can recognize the electronic tag information and then transmit the information to the control system to realize the transmission of theoretical data of the door leaf to be measured.

[0038] An online measurement method of an online door leaf measuring device of the present invention is as follows (illustrated by setting the length and width measuring heads separately):

[0039] like Figure 1As shown, starting from the measurement starting position 10, the measurement starts in a clockwise direction. At the starting position, the width measuring mechanism 42 is aligned with the long side of the door leaf to be detected, and the length measuring mechanism 41 is away from the door leaf to be detected. At this time, the transverse drive motor 631 is adjusted until the width measuring mechanism 42 is within a suitable measurement range, and the longitudinal drive mechanism 62 is started to drive the measuring mechanism 4 to move at a uniform speed along the length of the door leaf to be detected, so as to measure the width of the door leaf to be measured and save the data to the control system.

[0040] When the measuring mechanism 4 moves to the upper right corner of the door leaf to be detected, the longitudinal driving mechanism 62 adjusts the length measuring mechanism 41 to move to a suitable measuring range, the longitudinal driving mechanism 62 remains stationary, and the transverse driving mechanism 63 drives the measuring mechanism 4 to move at a uniform speed along the right side of the door leaf to be detected, measures the length of the door leaf to be measured, and saves the data to the control system.

[0041] When the measuring mechanism 4 moves to the lower right corner of the door leaf to be inspected, the rotating motor drives the rotating seat to rotate 180° until the width measuring mechanism 42 is aligned with the long side of the door leaf to be inspected, and the length measuring mechanism 41 moves away from the door leaf to be inspected, and the above process is repeated to achieve the size measurement of another long side and wide side. During the measurement of the long side and wide side, the thickness measurement is continuously carried out. The control system obtains the actual measurement data of the door leaf to be inspected through the continuous measurement of the measuring mechanism 4, and then analyzes the deviation between the actual data and the theoretical data to obtain the measurement result.

[0042] The above description is only an exemplary embodiment of the present invention, and does not limit the scope of patent protection of the present invention. Any equivalent structure or equivalent process transformation made by using the contents of the present invention specification and drawings, or directly or indirectly applied in other related technical fields, are also included in the scope of patent protection of the present invention.

Claims

1. A door leaf online measuring device, characterized in that: The invention comprises a lifting workpiece conveying mechanism (2), an online measurement working platform (3) and a measuring mechanism (4) arranged on a frame (1); the measuring mechanism (4) is arranged on the frame (1) via a sliding mechanism; the measuring mechanism (4) is used to measure the length, width and thickness of a workpiece to be inspected and collect measurement data; the sliding mechanism is arranged on the frame (1), and the measuring mechanism (4) is arranged on the sliding mechanism; The sliding mechanism comprises a crossbeam (61), a longitudinal drive mechanism (62) and a transverse drive mechanism (63); the crossbeam (61) is slidably arranged on the frame (1) via a longitudinal guide rail (64); the longitudinal drive mechanism (62) is arranged on the frame (1); the lower end of the crossbeam (61) is slidably connected to the frame (1) via the longitudinal guide rail (64); the measuring mechanism (4) is arranged on the crossbeam (61) via the transverse drive mechanism (63); the measuring mechanism (4) is slidably connected to the crossbeam (61) via a transverse guide rail (65); The longitudinal drive mechanism (62) comprises at least one group, wherein the longitudinal drive mechanism (62) adopts a gear rack transmission; and the transverse drive mechanism (63) adopts a screw drive; The measuring mechanism (4) further comprises a slide plate (45), a motor mounting seat (46), a rotating seat (47), a switch mounting plate (44) and a limit switch (5); the slide plate (45) is connected to the crossbeam (61) via the screw rod (634); the motor mounting seat (46) is arranged on the slide plate (45); the rotating motor is arranged on the motor mounting seat (46); the rotating motor drives the rotating seat (47) to rotate; the limit switch (5) is arranged on the slide plate (45); a limit block is arranged on the top of the rotating seat (47); the measuring head of the measuring mechanism (4) is arranged on the rotating seat (47); the limit switch (5) cooperates with the limit block to detect the position of the measuring head of the measuring mechanism (4); It also includes a workpiece positioning mechanism, the workpiece positioning mechanism including a lifting side positioning mechanism, a lifting side pushing mechanism (9) and an end positioning mechanism, the lifting side positioning mechanism being at least one, the lifting side positioning mechanism being arranged on the frame (1), the lifting side pushing mechanism (9) being arranged on the slide plate (45) via a connecting rod (91), the end positioning mechanism being arranged on the frame (1), and the end positioning mechanism being a proximity switch positioning mechanism; The lifting type side thrust mechanism (9) comprises a first cylinder (92), a first guide rod (93), a side thrust wheel (94) and a guide block (95), wherein the first cylinder (92) is arranged on the connecting rod (91), the upper end of the first guide rod (93) is arranged on the connecting rod (91), the lower end of the first guide rod (93) is slidably connected to the guide block (95), the side thrust wheel (94) is arranged on the guide block (95), there are at least two side thrust wheels (94), the axes of the plurality of side thrust wheels (94) are perpendicular to the horizontal plane, and the side thrust wheels (94) are arranged relative to the lifting type side positioning mechanism; The lifting side positioning mechanism comprises a second cylinder (96), a cylinder mounting plate (97), a second guide rod (98) and a backrest baffle (99); the second cylinder (96) is arranged on the frame (1) through the cylinder mounting plate (97); the upper end of the second guide rod (98) is connected to the backrest baffle (99); the lower end of the second guide rod (98) is slidably connected to the cylinder mounting plate (97); and the output shaft of the second cylinder (96) is connected to the backrest baffle (99).

2. The door leaf online measuring device according to claim 1, characterized in that: It also includes a workpiece identification device (7) arranged on the frame (1), and the workpiece identification device (7) is used to collect basic information of the workpiece.

3. The door leaf online measuring device according to claim 1, characterized in that: The measuring head of the measuring mechanism is at least one laser measuring head.

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