Workpiece detection equipment

Abstract

The present application discloses a workpiece detection device, which includes a driving device, a control device, a detection device and a positioning device; the control device is communicatively connected with the driving device and is used to control the driving device to output a driving force; the positioning device is used to limit and fix the workpiece to be detected; the driving device is used to drive the detection device to move to a first preset detection position, and drive the positioning device to drive the workpiece to be detected to move in a direction close to or away from a second preset detection position; the driving device is also used to drive the workpiece to be detected located at the second preset detection position to rotate around a target axis by a preset angle according to a second preset frequency, and drive the detection device located at the first preset detection position to move a preset distance in a preset direction according to a first preset frequency; the target axis is perpendicular to the horizontal plane where the workpiece to be detected is located and the preset direction respectively; the projection of the trajectory of the detection device moving a preset distance in the horizontal plane has an intersection with the edge line of the workpiece to be detected.

Description

Technical Field

[0001] The present application relates to the technical field of detection devices, and in particular to a workpiece detection device. Background Art

[0002] Gaussian detection equipment can generally be used to detect magnetic products, which may be annular workpieces, quadrilateral workpieces, etc. Magnetic products are now mostly used in various electronic devices, especially annular workpieces, which are generally used in equipment such as motors, wireless charging trays, and electromagnetic heating devices.

[0003] In the prior art, taking an annular workpiece as an example, a plurality of magnets are generally arranged around the annular workpiece. Before use, each magnet needs to be subjected to Gaussian detection in order to obtain the magnetic flux parameters of each magnet. When the existing detection equipment detects the magnets on the annular workpiece, there will be problems of repeated detection and wasted travel, resulting in a long detection cycle and low efficiency.

[0004] At present, in order to improve the detection efficiency of Gaussian detection equipment, the detection efficiency is mostly improved by adding detection probes. However, this method greatly increases the cost of the detection equipment and is not conducive to large-scale production and use. Summary of the invention

[0005] In order to solve the above technical problems, the workpiece detection equipment disclosed in the present application is provided with a positioning device that can drive the workpiece to be measured to rotate around a target axis and a detection device that moves along a preset direction. When the workpiece to be measured is detected, the workpiece to be measured is rotated around the target axis by a preset angle, and the detection device is controlled to move a preset distance along a preset direction. The detection device can effectively detect the workpiece to be measured every time it moves the preset distance, thereby avoiding repeated and invalid movements of the detection device, greatly shortening the detection time of the workpiece to be measured, and improving the detection efficiency.

[0006] In order to achieve the above-mentioned invention object, the present application provides a workpiece detection device, including a driving device, a control device, a detection device and a positioning device;

[0007] The control device is in communication with the driving device and is used to control the driving device to output a driving force;

[0008] The driving device is drivingly connected to the detection device and the positioning device respectively;

[0009] The positioning device is used to limit and fix the workpiece to be measured;

[0010] The driving device is used to drive the detection device to move to a first preset detection position, and drive the positioning device to drive the workpiece to be detected to move in a direction close to or away from a second preset detection position;

[0011] The driving device is also used to drive the workpiece to be measured located at the second preset detection position to rotate around the target axis by a preset angle according to the second preset frequency, and to drive the detection device located at the first preset detection position to move a preset distance along a preset direction according to the first preset frequency, so as to realize the detection of the workpiece to be measured; the target axis is perpendicular to the horizontal plane where the workpiece to be measured is located and the preset direction, respectively; the projection of the trajectory of the detection device moving the preset distance in the horizontal plane has an intersection with the edge line of the workpiece to be measured.

[0012] In some embodiments, the detection device includes a first detection member and a second detection member, and the positioning device includes a first positioning fixture, a second positioning fixture, and a third positioning fixture;

[0013] The first preset detection position includes a first detection position and a second detection position, the first detection position corresponds to the first detection member; the second detection position corresponds to the second detection member;

[0014] The second preset detection position includes a first jig detection position, a second jig detection position and a third jig detection position, wherein the first jig detection position corresponds to the first positioning jig, the second jig detection position corresponds to the second positioning jig, and the third jig detection position corresponds to the third positioning jig;

[0015] The driving device is used to drive the first positioning fixture to drive the workpiece to be measured to move to the first fixture detection position, and drive the second positioning fixture to drive the workpiece to be measured to move to the second fixture detection position or drive the third positioning fixture to drive the workpiece to be measured to move to the third fixture detection position;

[0016] The driving device is also used to drive the first detecting member to move to the first detecting position, and drive the second detecting member to move to the second detecting position.

[0017] In some embodiments, it further includes a platform and two first sliding rails, three second sliding rails and three rotating components fixedly disposed on the platform;

[0018] The first detection member and the second detection member respectively correspond to one of the first sliding tracks, and are respectively slidably connected to the first sliding tracks;

[0019] The first positioning fixture, the second positioning fixture and the third positioning fixture respectively correspond to one second sliding track, and the rotating assembly corresponds to the second sliding track one by one;

[0020] The first positioning fixture, the second positioning fixture and the third positioning fixture are respectively slidably connected to the second sliding track through the rotating assembly;

[0021] One end of the rotating assembly is slidably connected to the second sliding track, and the other end is fixedly connected to any one of the first positioning fixture, the second positioning fixture and the third positioning fixture;

[0022] The driving device is capable of driving the rotating assembly to reciprocate along the second sliding track, so as to drive the positioning fixture connected to the rotating assembly to move along the second sliding track toward or away from the second preset detection position;

[0023] The driving device is used to drive the rotating component located at the second preset detection position to rotate around the target axis by the preset angle according to the second preset frequency, so as to drive the positioning fixture connected to the rotating component to rotate around the target axis by the preset angle;

[0024] The driving device is also used to drive the first detection member or the second detection member to move along the first sliding track to the first preset detection position, and drive the first detection member or the second detection member to move along the preset direction of the first sliding track by the preset distance according to the first preset frequency.

[0025] In some embodiments, the first sliding track includes a first sliding rail, a second sliding rail and a fixing member;

[0026] The detection device is slidably connected to the second slide rail;

[0027] One end of the fixing member is fixedly connected to the second slide rail, and the other end is slidably connected to the first slide rail;

[0028] The driving device drives the fixing member to move along the first slide rail and drives the detection device to move along the second slide rail, so that the detection device moves to the first preset detection position;

[0029] The driving device is further configured to drive the fixing member to move along the first slide rail and along the preset direction of the first slide rail by the preset distance according to the first preset frequency.

[0030] In some embodiments, the first detection member and the second detection member each include a detection probe;

[0031] The control device is used to control the detection probe corresponding to the first detection member and the detection probe corresponding to the second detection member to detect the workpiece to be detected respectively.

[0032] In some embodiments, the first positioning fixture, the second positioning fixture and the third positioning fixture each include a base, a connecting rod mechanism, a first clamping jaw, a second clamping jaw and a driving member;

[0033] The connecting rod mechanism is fixedly arranged on the base;

[0034] The base is fixedly connected to the rotating assembly;

[0035] The first clamping jaw and the second clamping jaw are both slidably connected to the base, and the first clamping jaw and the second clamping jaw are used to clamp the workpiece to be measured;

[0036] The driving member is used to drive the connecting rod mechanism to open or close, thereby pushing the first clamping jaw and the second clamping jaw to move in opposite directions or towards each other.

[0037] In some embodiments, it also includes an angle limiter, a bracket plate, and a connector;

[0038] The bracket plate is fixedly connected to the base through the connecting piece;

[0039] The support plate is arranged around the first clamping jaw and the second clamping jaw, and the first clamping jaw and the second clamping jaw are respectively slidably connected to the support plate through axle pins;

[0040] The angle limiting member is arranged on a side of the bracket plate away from the base, and is used to limit the workpiece to be measured.

[0041] In some embodiments, the contact surfaces of the first clamping jaw and the second clamping jaw with the workpiece to be measured are arc-shaped surfaces;

[0042] The first clamping jaw and the second clamping jaw are both in point contact with the workpiece to be measured.

[0043] In some embodiments, a sensor is further included, wherein the sensor is communicatively connected to the control device;

[0044] The sensor is used to detect the distance information of the upper surface of the workpiece to be measured relative to the upper surface of the positioning device, and send the distance information to the control device;

[0045] The control device is used to receive the detection information, and control the driving device to drive the detection device to adjust the position according to the distance information and a preset detection height.

[0046] In some embodiments, comprising a rack;

[0047] The driving device, the control device, the detection device and the positioning device are all arranged in the frame.

[0048] Implementing the embodiments of the present application has the following beneficial effects:

[0049] The workpiece detection equipment disclosed in the present application is provided with a positioning device capable of driving the workpiece to be detected to rotate around a target axis and a detection device moving along a preset direction. When the workpiece to be detected is detected, the detection device is controlled to move a preset distance along a preset direction when the workpiece to be detected is rotated around the target axis by a preset angle. The detection device can effectively detect the workpiece to be detected every time it moves the preset distance, thereby avoiding repeated and invalid movements of the detection device, greatly shortening the detection time of the workpiece to be detected, and improving the detection efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0050] In order to more clearly illustrate the technical solutions and advantages in the embodiments of the present application or the prior art, the drawings required for use in the embodiments or the prior art descriptions are briefly introduced below. Obviously, the drawings described below are only some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0051] Figure 1 A partial structural schematic diagram of a workpiece detection device provided in an embodiment of the present application;

[0052] Figure 2 A schematic diagram of the combined structure of a positioning device and a rotating assembly in a workpiece detection device provided in an embodiment of the present application;

[0053] Figure 3 A schematic diagram of an enlarged structure of a positioning fixture in a workpiece detection device provided in an embodiment of the present application;

[0054] Figure 4 A schematic diagram of a partial structure of a positioning fixture in a workpiece detection device provided in an embodiment of the present application;

[0055] Figure 5 A schematic diagram of a combined structure of a second sliding track and a rotating assembly provided in an embodiment of the present application;

[0056] Figure 6 A schematic diagram of a combined structure of a first sliding track and a driving device provided in an embodiment of the present application;

[0057] Figure 7 A schematic diagram of the structure of a workpiece to be tested provided in an embodiment of the present application;

[0058] Figure 8 A schematic diagram of a detection process of a workpiece to be detected provided in an embodiment of the present application;

[0059] Fig. 9A schematic diagram of a detection path of a workpiece to be detected provided in an embodiment of the present application;

[0060] Fig.10 A schematic diagram of the structure of a rack provided in an embodiment of the present application;

[0061] Fig.11 A schematic diagram of the structure of a workpiece detection device provided in an embodiment of the present application;

[0062] Among them, the reference numerals in the figure correspond to: 1-detection device, 101-first detection member, 102-second detection member, 2-positioning device, 201-first positioning fixture, 202-second positioning fixture, 203-third positioning fixture, 301-base, 302-connecting rod mechanism, 303-first clamping jaw, 304-second clamping jaw, 305-angle limiter, 306-support plate, 307-connecting member, 308-driving member, 4-first sliding rail, 401-first sliding rail, 402-second sliding rail, 403-fixing member, 5-second sliding rail, 501-first perforation, 502-second perforation, 503-third perforation, 6-rotating component, 7-machine table, 8-sensor, 9-frame, 10-driving device, 11-workpiece to be measured, 12-target axis. DETAILED DESCRIPTION

[0063] In order to make the objectives, technical solutions and advantages of the present application more clear, the present application will be further described in detail below in conjunction with the accompanying drawings.

[0064] It should be noted that the terms "first", "second", etc. in the specification and claims of this application and the above-mentioned drawings are used to distinguish similar objects, and are not necessarily used to describe a specific order or sequence. The terms "including" and "having" and any variations thereof are intended to cover non-exclusive inclusions. In different implementation variations, the same components have the same reference numerals.

[0065] like Figure 1-11 As shown, the present application provides a workpiece detection device, including a driving device 10, a control device, a detection device 1 and a positioning device 2;

[0066] The control device is in communication with the driving device 10 and is used to control the driving device 10 to output a driving force;

[0067] The driving device 10 is drivingly connected to the detection device 1 and the positioning device 2 respectively;

[0068] The positioning device 2 is used to limit and fix the workpiece 11 to be measured;

[0069] Optionally, the workpiece 11 to be tested may be of a regular structure, for example, a circular ring. Figure 7shown.

[0070] The driving device 10 is used to drive the detection device 1 to move to a first preset detection position, and drive the positioning device 2 to drive the workpiece 11 to move toward or away from a second preset detection position.

[0071] Optionally, the first preset detection position and the second preset detection position are both pre-set; wherein, when the detection device is located at the first preset detection position, the detection device can realize the detection of the workpiece to be detected; when the workpiece to be detected is located at the second preset detection position, the workpiece to be detected can be detected by the detection device at the first preset detection position.

[0072] In one example, when the workpiece to be measured moves to the second preset detection position, the position of a reference point on the workpiece to be measured coincides with the second preset detection position; for example, the position of the center point of the workpiece to be measured coincides with the second preset detection position.

[0073] The driving device 10 is also used to drive the workpiece 11 to be tested located at the second preset detection position to rotate around the target axis 12 to a preset angle according to the second preset frequency, and to drive the detection device 1 located at the first preset detection position to move a preset distance along a preset direction according to the first preset frequency, so as to detect the workpiece 11 to be tested; the target axis 12 is perpendicular to the horizontal plane where the workpiece 11 to be tested is located and the preset direction respectively; the projection of the trajectory of the detection device 1 moving the preset distance in the horizontal plane and the edge line of the workpiece 1 to be tested have an intersection; wherein the second preset frequency can be a preset rotation frequency and rotation number of the workpiece 1 to be tested; wherein the rotation number can be set according to the number of magnets to be tested on the workpiece 11 to be tested; the rotation frequency can be set according to the rotation speed of the workpiece 11 to be tested driven by the driving device and the speed of the detection device 1 moving the preset distance in the preset direction. The first preset frequency can be a preset movement frequency and movement number of the detection device 1; wherein the movement number is the same as the rotation number, and the movement frequency can be set according to the rotation frequency; the movement frequency can be the same as the rotation frequency, or it can be different from the rotation frequency. The target axis 12 may be the center line of the workpiece 11 to be measured, such as Figure 2 The preset direction may include a first preset direction and a second preset direction, and the first preset direction and the second preset direction are in opposite directions.

[0074] Specifically, the detection device 1 can be used to detect magnets on the workpiece 11 to be detected.

[0075] Specifically, the preset angle can be set according to the number of positions to be measured on the workpiece 11 to be measured; for example, it can be 10-30°; the preset distance can be set according to the positional relationship between the workpiece 11 to be measured and the detection device 1; specifically, it can be set according to the positional relationship between the first preset detection position and the second preset detection position, and the positional relationship between the first preset detection position and the second preset detection position is the distance between the detection head of the detection device 1 and the edge of the workpiece 11 to be measured in the horizontal direction, for example, it can be 8-12mm.

[0076] In an exemplary embodiment, the workpiece 11 to be measured may include a plurality of positions to be measured. Specifically, when the number of positions to be measured is 16, the preset angle may be 21°, and the preset distance may be 10 mm.

[0077] In one example, for the detection device 1 located at the first preset detection position and the detection device 1 located at the second preset detection position, such as Figure 8 As shown in the middle view A; when multiple positions to be measured of the workpiece 11 to be measured are detected, as Figure 8 The detection process shown in is as follows:

[0078] Specifically, the workpiece 11 to be measured may be controlled to rotate around the target axis 12 by the preset angle until a first position to be measured among the multiple positions to be measured is located at a detection position corresponding to the first preset detection position;

[0079] Control the detection device to move the preset distance along the first preset direction, and detect the first position to be detected during the movement, such as Figure 8 As shown in the middle view B;

[0080] Further, the workpiece to be measured is controlled to rotate around the target axis by the preset angle until the second position to be measured is in the detection position; the first position to be measured is adjacent to the second position to be measured;

[0081] Control the detection device to move the preset distance along the second preset direction, and detect the second position to be detected during the movement, such as Figure 8 As shown in view C.

[0082] Furthermore, when the third position to be measured, the fourth position to be measured, ... to the nth position to be measured are detected, the workpiece to be measured is repeatedly controlled to rotate the preset angle based on the previous position to be measured, and the detection device is controlled to reciprocate alternately along the first preset direction and the second preset direction, so as to realize the detection of multiple positions to be measured on the workpiece 11 to be measured. The detection path formed in this way in the present application is as follows Fig. 9As shown, this method is provided with a positioning device 2 capable of driving the workpiece 11 to be measured to rotate around the target axis 12 and a detection device 1 that moves along a preset direction. When the workpiece 11 to be measured is detected, the workpiece 11 to be measured rotates around the target axis 12 by a preset angle, and the detection device 1 is controlled to move a preset distance along a preset direction. The detection device 1 can effectively detect the workpiece 11 to be measured every time it moves the preset distance, thereby avoiding repeated and invalid movements of the detection device 1. That is, the coordination relationship between the detection device 1 and the positioning device 2 in the axis system during detection is improved, the axis system movement of the detection device 1 is reduced, the detection time of the workpiece 1 to be measured is greatly shortened, and the detection efficiency is improved.

[0083] In the embodiment of the present application, the detection device 1 may include at least two detection members, and the positioning device 2 may include at least three positioning fixtures;

[0084] During detection, the three positioning fixtures cooperate with the two detection parts, so that the two detection parts interactively detect the workpieces 11 to be detected on the three positioning fixtures, so that there is no need to wait during the detection process, and the detection efficiency is further improved.

[0085] In an exemplary embodiment, Figure 1 As shown, the detection device 1 includes a first detection member 101 and a second detection member 102, and the positioning device 2 includes a first positioning fixture 201, a second positioning fixture 202 and a third positioning fixture 203;

[0086] The first preset detection position includes a first detection position and a second detection position. The first detection position corresponds to the first detection member 101 ; the second detection position corresponds to the second detection member 102 .

[0087] Specifically, the first detection position may be a preset detection position that the first detection member 101 can reach; the second detection position may be a preset detection position that the second detection member 102 can reach;

[0088] Furthermore, the first detection position and the second detection position may both include a first workpiece detection position, a second workpiece detection position and a third workpiece detection position.

[0089] Specifically, the second preset detection position may include a first fixture detection position, a second fixture detection position and a third fixture detection position; wherein the first fixture detection position may be a preset detection position that the first detection fixture can reach, the second fixture detection position may be a preset detection position that the second detection fixture can reach, and the third fixture detection position may be a preset detection position that the third detection fixture can reach.

[0090] Further, the first jig detection position, the second jig detection position and the third jig detection position include two detection waiting positions. Taking the first jig detection position as an example, one of the detection waiting positions in the first jig detection position corresponds to the first workpiece detection position corresponding to the first detection position, and the other detection waiting position corresponds to the first workpiece detection position corresponding to the second detection position. Similarly, the correspondence between the detection waiting positions in the second jig detection position and the third jig detection position and the first detection position and the second detection position is the same as that of the first jig detection position.

[0091] The driving device is used to drive the first positioning fixture 201 to drive the workpiece to be measured 11 to move to the first fixture detection position, and drive the second positioning fixture 202 to drive the workpiece to be measured 1 to move to the second fixture detection position or drive the third positioning fixture 203 to drive the workpiece to be measured 11 to move to the third fixture detection position;

[0092] The driving device is also used to drive the first detection member 101 to move to the first detection position, and to drive the second detection member 102 to move to the second detection position. In the present application, two detection members are arranged to cooperate with three positioning fixtures for detection. During detection, the three positioning fixtures cooperate with the two detection members, so that the two detection members can interactively detect the workpieces 11 to be detected on the three positioning fixtures, so that there is no need to wait during the detection process, and the detection efficiency is further improved.

[0093] In the embodiments of the present application, Figure 1 , Figure 2 and Figure 5 As shown, it also includes a machine platform 7 and two first sliding rails 4, three second sliding rails 5 and three rotating components 6 fixedly arranged on the machine platform 7;

[0094] The first detection member 101 and the second detection member 102 respectively correspond to one of the first sliding rails 4 and are respectively slidably connected to the first sliding rails 4;

[0095] The first positioning fixture 201, the second positioning fixture 202 and the third positioning fixture 203 correspond to one second sliding track 5 respectively, and the rotating assembly 6 corresponds to the second sliding track 5 one by one;

[0096] The first positioning fixture 201, the second positioning fixture 202 and the third positioning fixture 203 are respectively slidably connected to the second sliding track 5 through the rotating assembly 6;

[0097] Specifically, one end of the rotating assembly 6 is slidably connected to the second sliding track 5, and the other end is fixedly connected to any one of the first positioning fixture 201, the second positioning fixture 202 and the third positioning fixture 203;

[0098] The driving device 10 can drive the rotating assembly 6 to reciprocate along the second sliding track 5, so as to drive the positioning fixture connected to the rotating assembly 6 to move along the second sliding track 5 toward or away from the second preset detection position;

[0099] Specifically, the driving device 10 is used to drive the first positioning fixture 201, the second positioning fixture 202 and the third positioning fixture 203 to reciprocate along the y-axis direction.

[0100] The driving device 10 is used to drive the rotating component 6 located at the second preset detection position to rotate around the target axis 12 by the preset angle according to the second preset frequency, so as to drive the positioning fixture connected to the rotating component 6 to rotate around the target axis 12 by the preset angle;

[0101] When the positioning fixture drives the workpiece 11 to move to the second preset detection position, the rotating assembly 6 corresponding to the positioning fixture can be driven to rotate around the target axis according to the second preset frequency to drive the workpiece to rotate by a preset angle.

[0102] The driving device 10 is also used to drive the first detection member 101 or the second detection member 102 to move along the first sliding track 4 to the first preset detection position, and drive the first detection member 101 or the second detection member 102 to move the preset distance along the preset direction of the first sliding track 4 according to the first preset frequency.

[0103] In an exemplary embodiment, Figure 6 As shown, the first sliding track 4 may include a first sliding rail 401, a second sliding rail 402 and a fixing member 403;

[0104] The detection device 1 is slidably connected to the second slide rail 402; specifically, the second slide rail 402 can drive the detection device 1 to reciprocate along the z-axis direction.

[0105] One end of the fixing member 403 is fixedly connected to the second slide rail 402, and the other end is slidably connected to the first slide rail 401;

[0106] The driving device 10 drives the fixing member 403 to move along the first slide rail 401 and drives the detection device 1 to move along the second slide rail 402, so that the detection device 1 moves to the first preset detection position; specifically, the driving device 10 can drive the fixing member 403 to reciprocate along the first slide rail 401 in the horizontal plane along the x-axis direction.

[0107] The driving device is further configured to drive the fixing member 403 to move along the first slide rail 401 and along the preset direction and the preset distance of the first slide rail 401 according to the first preset frequency.

[0108] Specifically, the first sliding track 4 may be arranged above the second sliding track 5 ; and the projection of the first sliding track 4 on the horizontal plane is perpendicular to the second sliding track 5 .

[0109] In one example, three second sliding rails 5 are arranged in parallel on the platform 7 , and the first sliding rail 401 and the second sliding rail 402 are arranged in parallel and mounted on the platform 7 through connecting columns.

[0110] In the embodiment of the present application, the first detection member 101 and the second detection member 102 each include a detection probe;

[0111] The control device is used to control the detection probe corresponding to the first detection member 101 and the detection probe corresponding to the second detection member 102 to detect the workpiece 11 to be detected respectively.

[0112] In one example, the first detection member 101 and the second detection member 102 are both independent detection probes. Further, the first detection member 101 and the second detection member 102 detect multiple positions to be measured on the workpiece 11 in sequence through independent detection probes.

[0113] In the embodiments of the present application, Figure 3 and Figure 4 As shown, the first positioning fixture 201, the second positioning fixture 202 and the third positioning fixture 203 all include a base 301, a connecting rod mechanism 302, a first clamping jaw 303, a second clamping jaw 304 and a driving member 308;

[0114] The connecting rod mechanism 302 is fixedly arranged on the base 301;

[0115] The base 301 is fixedly connected to the rotating assembly 6; specifically, it can be fixedly connected to the rotating assembly via a fixing member.

[0116] The first clamping jaw 303 and the second clamping jaw 304 are both slidably connected to the base 301, and the first clamping jaw 303 and the second clamping jaw 304 are used to clamp the workpiece 11 to be measured;

[0117] The driving member 308 is used to drive the connecting rod mechanism 302 to open or close, thereby pushing the first clamping jaw and the second clamping jaw 304 to move in opposite directions or towards each other.

[0118] In an exemplary embodiment, the link mechanism 302 may include two links, each of which has one end connected to the driving member 308 , one of which has the other end connected to the first clamping jaw 303 , and the other of which has the other end connected to the second clamping jaw 304 .

[0119] Specifically, one end of the connecting rod can be connected to the driving member 308 through a rotating shaft; preferably, one end of the rotating shaft can be fixedly connected to the connecting rod, and the other end can be rotatably connected to the driving member 308; the driving member 308 can drive the two rotating shafts to rotate around the central axis in opposite directions, and then can drive one end of the two connecting rods to rotate synchronously with the rotating shaft, so that the other ends of the two connecting rods move in opposite directions or toward each other to achieve opening or closing.

[0120] The movement of the two connecting rods can drive the first clamping jaw 303 and the second clamping jaw 304 respectively connected to the two connecting rods to move in opposite directions or towards each other along the sliding groove of the base 301 , thereby achieving the release or clamping of the workpiece 11 to be measured.

[0121] In the embodiments of the present application, Figure 3 As shown, the positioning fixture further includes an angle limiter 305, a bracket plate 306 and a connecting member 307;

[0122] The support plate 306 is fixedly connected to the base 301 via the connecting member 307;

[0123] The support plate 306 is disposed around the first clamping jaw 303 and the second clamping jaw 304, and the first clamping jaw 303 and the second clamping jaw 304 are respectively slidably connected to the support plate 306 through axle pins;

[0124] Specifically, a through slot is provided on the support plate 306, and a tray is provided along the center of the through slot, which is suitable for placing the workpiece to be measured. The first clamping jaw 303 and the second clamping jaw 304 are both located in the through slot and symmetrically arranged along the tray. The first clamping jaw 303 and the second clamping jaw 304 are used to clamp the workpiece 11 to be measured on the tray.

[0125] Furthermore, the first clamp 303 and the second clamp 304 are fixedly connected to the axle pins on the side away from the workpiece to be measured, and the axle pins are slidably connected to the through holes opened on the bracket plate 306; this design enables the side walls of the bracket plate 306 to limit the movement distance of the first clamp 303 and the second clamp 304, thereby improving the stability of the positioning fixture.

[0126] Furthermore, the contact surfaces between the first clamping jaw 303 and the second clamping jaw 304 and the workpiece 11 to be measured are arc-shaped surfaces;

[0127] The first clamping jaw 303 and the second clamping jaw 304 are both in point contact with the workpiece 11 to be measured.

[0128] The point-to-point contact method provided in the present application is more stable than other point-to-surface contacts or surface-to-surface contacts, and reduces the unstable clamping caused by an excessively large contact surface.

[0129] The angle limiting member 305 is disposed on a side of the support plate 306 away from the base 301 , and is used to limit the workpiece 11 to be measured.

[0130] Specifically, the angle limiter 305 is located between the first clamping jaw 303 and the second clamping jaw 304. The angle limiter 305 may include a protruding portion and a fixing portion. The fixing portion is fixedly connected to the support plate 306. The protruding portion is located on the side of the tray away from the base 301 and is adapted to the opening portion of the workpiece 11 to be measured. By limiting the position of the opening portion of the workpiece 11 to be measured, the position of the workpiece 11 to be measured is limited.

[0131] In the embodiment of the present application, the driving device 10 may include a plurality of driving modules. Specifically, each detection component and each positioning fixture corresponds to a driving module respectively.

[0132] Specifically, each rotating assembly 6 also corresponds to a driving module. This arrangement can facilitate the independent operation of each component.

[0133] In the embodiment of the present application, a sensor 8 is further included, and the sensor 8 is communicatively connected with the control device;

[0134] The sensor 8 is used to detect the distance information of the upper surface of the workpiece 11 to be measured relative to the upper surface of the positioning device 2, and send the distance information to the control device;

[0135] The control device is used to receive distance information, and control the driving device to drive the detection device 1 to adjust the position according to the distance information and the preset detection height. The preset detection height can be the detection distance between the lower surface of the detection device and the upper surface of the workpiece 11 when the detection device 1 detects the workpiece 11 to be detected; it is a calibration value.

[0136] Specifically, when the distance information is equal to the preset detection height, the detection device 1 can be directly controlled to detect the workpiece 11 to be detected. When the distance information is not equal to the preset detection height, the position of the detection device is adjusted until the distance information is equal to the preset detection height.

[0137] Specifically, the sensor 7 may be a laser device, and the machine platform 7 may be arranged close to a side of the material position on the positioning fixture to facilitate detection of the above-mentioned distance information.

[0138] In the embodiments of the present application, Fig.10 and Fig.11As shown, the workpiece detection device also includes a frame 9;

[0139] The driving device 10 , the control device, the detection device 1 and the positioning device 2 are all arranged in the frame 9 .

[0140] Specifically, the control device can be integrated on the frame 9; a plurality of structures adapted to the driving device 10, the detection device 1 and the positioning device 2 are arranged in the frame 9; so that the driving device 10 located in the frame 9 can drive the detection device 1 and the positioning device 2 to operate normally.

[0141] The working principle of the workpiece detection equipment in this application is as follows:

[0142] When the workpiece detection device 11 is required to perform detection, the first positioning fixture 201 is driven in sequence to drive the workpiece to be detected 11 to move to the first fixture detection position corresponding to the first detection member 101, and the first detection member 101 is controlled to detect the workpiece to be detected 11 on the first positioning fixture 201; the second positioning fixture 202 is driven to drive the workpiece to be detected to move to the second fixture detection position corresponding to the second detection member 102, and the second detection member 102 is controlled to detect the workpiece to be detected 11 on the second positioning fixture 202;

[0143] When the first detection member 101 detects the workpiece 11 on the first positioning fixture 201 and the second detection member 102 detects the workpiece 11 on the second positioning fixture 202, the third positioning fixture 203 containing the workpiece 11 is driven to move to the third fixture detection position corresponding to the first detection member 101;

[0144] When the first detection member 101 completes the detection of the workpiece 11 to be tested on the first positioning fixture 201, the first detection member 101 is driven to move to the third workpiece detection position corresponding to the third fixture detection position, and the workpiece to be tested on the third positioning fixture 203 is detected; the first positioning fixture 201 is driven to drive the workpiece 11 to be tested that has completed the detection to move to the preset unloading position, and the workpiece 11 to be tested on the first positioning fixture 201 is replaced with a new undetected workpiece 11 to be tested; the first positioning fixture 201 is controlled to drive the workpiece 11 to be tested to move to the first fixture detection position corresponding to the second detection member 102;

[0145] When the second detection member 102 completes the detection of the workpiece 11 to be tested on the second positioning fixture 202, the second detection member 102 is driven to move to the first workpiece detection position corresponding to the first fixture detection position, and the workpiece 11 to be tested on the first positioning fixture 201 is detected; the second positioning fixture 202 is driven to drive the workpiece 11 to be tested that has completed the detection to move to the preset unloading position, and the workpiece 11 to be tested on the second positioning fixture 202 is replaced with a new undetected workpiece 11 to be tested; the second positioning fixture 202 is controlled to drive the workpiece 11 to be tested to move to the second fixture detection position corresponding to the first detection member 101;

[0146] When the first detection member 101 completes the detection of the workpiece 11 to be detected on the third positioning fixture 203, the first detection member 101 is driven to move to the second workpiece detection position corresponding to the second fixture detection position, and the workpiece 11 to be detected on the second positioning fixture 202 is detected;

[0147] Repeating the above movement can form a cyclic detection program to realize the detection of multiple workpieces to be tested.

[0148] Specifically, for the detection process when a certain detection component detects a workpiece to be detected on a certain positioning fixture, taking the detection of the workpiece to be detected on the first positioning fixture 201 by the first detection component 101 as an example, the detection process is as follows:

[0149] Control the workpiece 11 to be measured located at the first fixture detection position to rotate around the target axis 12 by a preset angle until the first position to be measured among the multiple positions to be measured is located at the detection position corresponding to the first fixture detection position;

[0150] Controlling the first detection member 101 to move a preset distance along a first preset direction, and detecting the first position to be detected during the movement;

[0151] Further, the workpiece 11 to be measured is controlled to rotate around the target axis 12 by a preset angle until the second position to be measured is in the detection position; the first position to be measured is adjacent to the second position to be measured;

[0152] The first detection member 101 is controlled to move a preset distance along a second preset direction, and detects the second position to be detected during the movement.

[0153] Furthermore, when inspecting the third position to be measured, the fourth position to be measured... to the nth position to be measured, the workpiece 11 to be measured is repeatedly controlled to rotate by a preset angle based on the previous position to be measured, and the first detection member 101 is controlled to reciprocate alternately along the first preset direction and the second preset direction, so as to realize the inspection of multiple positions to be measured on the workpiece 11 to be measured.

[0154] The present application provides a positioning device that can drive the workpiece to be measured to rotate around the target axis and a detection device that moves along a preset direction. When the workpiece to be measured is detected, the detection device is controlled to move a preset distance along the preset direction when the workpiece to be measured rotates around the target axis by a preset angle. The detection device can effectively detect the workpiece to be measured every time it moves the preset distance, thereby avoiding repeated and invalid movements of the detection device, greatly shortening the detection time of the workpiece to be measured, and improving the detection efficiency.

[0155] In addition, the present application sets up two detection parts to cooperate with three positioning fixtures for detection. During detection, the three positioning fixtures cooperate with the two detection parts, so that the two detection parts interactively detect the workpiece 11 to be tested on the three positioning fixtures, so that there is no need to wait during the detection process, thereby further improving the detection efficiency.

[0156] In another exemplary embodiment, the workpiece detection device may include three detection members and four positioning jigs.

[0157] The above disclosure is only a preferred embodiment of the present application, and certainly cannot be used to limit the scope of rights of the present application. Therefore, equivalent changes made according to the claims of the present application are still within the scope covered by the present application.

Claims

1. A workpiece detection device, characterized in that: It comprises a driving device (10), a control device, a detection device (1) and a positioning device (2); The control device is in communication connection with the drive device (10) and is used to control the drive device (10) to output a driving force; The driving device (10) is drivingly connected to the detection device (1) and the positioning device (2) respectively; The positioning device (2) is used to limit and fix the workpiece (11) to be measured; The driving device (10) is used to drive the detection device (1) to move to a first preset detection position, and to drive the positioning device (2) to drive the workpiece (11) to be detected to move in a direction close to or away from a second preset detection position; The driving device (10) is further used for driving the workpiece (11) to be tested, located at the second preset detection position, to rotate around a target axis (12) at a preset angle according to the second preset frequency, and for driving the detection device (1) to be tested, located at the first preset detection position, to move a preset distance in a preset direction according to the first preset frequency, so as to detect the workpiece (11) to be tested; the target axis (12) is perpendicular to the horizontal plane where the workpiece (11) to be tested is located and the preset direction, respectively; a projection of the trajectory of the detection device (1) moving the preset distance in the horizontal plane intersects with an edge line of the workpiece (11) to be tested; The detection device (1) comprises a first detection member (101) and a second detection member (102); the positioning device (2) comprises a first positioning fixture (201), a second positioning fixture (202) and a third positioning fixture (203); The first preset detection position comprises a first detection position and a second detection position, the first detection position corresponds to the first detection member (101); the second detection position corresponds to the second detection member (102); The second preset detection position comprises a first jig detection position, a second jig detection position and a third jig detection position, the first jig detection position corresponds to the first positioning jig (201), the second jig detection position corresponds to the second positioning jig (202), and the third jig detection position corresponds to the third positioning jig (203); The driving device is used to drive the first positioning fixture (201) to drive the workpiece to be measured (11) to move to the first fixture detection position, and to drive the second positioning fixture (202) to drive the workpiece to be measured (11) to move to the second fixture detection position, or to drive the third positioning fixture (203) to drive the workpiece to be measured (11) to move to the third fixture detection position; The driving device is also used to drive the first detection member (101) to move to the first detection position, and to drive the second detection member (102) to move to the second detection position.

2. The workpiece detection device according to claim 1, characterized in that: It also includes a machine platform (7), two first sliding rails (4), three second sliding rails (5), and three rotating components (6) fixedly arranged on the machine platform (7); The first detection member (101) and the second detection member (102) respectively correspond to one of the first sliding tracks (4), and are respectively slidably connected to the first sliding tracks (4); The first positioning fixture (201), the second positioning fixture (202) and the third positioning fixture (203) respectively correspond to one of the second sliding tracks (5), and the rotating assembly (6) corresponds to the second sliding tracks (5) one by one; The first positioning jig (201), the second positioning jig (202) and the third positioning jig (203) are respectively slidably connected to the second sliding track (5) via the rotating assembly (6); The driving device (10) is capable of driving the rotating component (6) to reciprocate along the second sliding track (5), so as to drive the positioning fixture connected to the rotating component (6) to move along the second sliding track (5) in a direction close to or away from the second preset detection position; The driving device (10) is used to drive the rotating component (6) located at the second preset detection position to rotate around the target axis (12) by the preset angle according to the second preset frequency, so as to drive the positioning fixture connected to the rotating component (6) to rotate around the target axis (12) by the preset angle; The driving device (10) is further used for driving the first detection member (101) or the second detection member (102) to move along the first sliding track (4) to the first preset detection position, and for driving the first detection member (101) or the second detection member (102) to move along the first sliding track (4) by the preset distance in the preset direction according to the first preset frequency.

3. The workpiece detection device according to claim 2, characterized in that: The first sliding track (4) comprises a first sliding rail (401), a second sliding rail (402) and a fixing member (403); The detection device (1) is slidably connected to the second slide rail (402); One end of the fixing member (403) is fixedly connected to the second slide rail (402), and the other end is slidably connected to the first slide rail (401); The driving device (10) drives the fixing member (403) to move along the first slide rail (401) and drives the detection device (1) to move along the second slide rail (402), so that the detection device (1) moves to the first preset detection position; The driving device (10) is also used to drive the fixing member (403) to move along the first slide rail (401) and along the preset direction of the first slide rail (401) by the preset distance according to the first preset frequency.

4. The workpiece detection device according to claim 1, characterized in that: The first detection member (101) and the second detection member (102) each include a detection probe; The control device is used to control the detection probe corresponding to the first detection member (101) and the detection probe corresponding to the second detection member (102) to respectively detect the workpiece (11) to be detected.

5. The workpiece detection device according to claim 2, characterized in that: The first positioning fixture (201), the second positioning fixture (202) and the third positioning fixture (203) all comprise a base (301), a connecting rod mechanism (302), a first clamping jaw (303), a second clamping jaw (304) and a driving member (308); The connecting rod mechanism (302) is fixedly arranged on the base (301); The base (301) is fixedly connected to the rotating assembly (6); The first clamping jaw (303) and the second clamping jaw (304) are both slidably connected to the base (301), and the first clamping jaw (303) and the second clamping jaw (304) are used to clamp the workpiece (11) to be measured; The driving member (308) is used to drive the connecting rod mechanism (302) to open or close, thereby pushing the first clamping jaw and the second clamping jaw (304) to move in opposite directions or towards each other.

6. The workpiece detection device according to claim 5, characterized in that: It also includes an angle limiter (305), a bracket plate (306) and a connecting member (307); The support plate (306) is fixedly connected to the base (301) via the connecting member (307); The support plate (306) is arranged around the first clamping jaw (303) and the second clamping jaw (304), and the first clamping jaw (303) and the second clamping jaw (304) are respectively slidably connected to the support plate (306) through a shaft pin; The angle limiting member (305) is arranged on a side of the support plate (306) away from the base (301) and is used to limit the position of the workpiece (11) to be measured.

7. The workpiece detection device according to claim 5, characterized in that: The contact surfaces between the first clamping jaw (303) and the second clamping jaw (304) and the workpiece (11) to be measured are arc-shaped surfaces; The first clamping jaw (303) and the second clamping jaw (304) are both in point contact with the workpiece (11) to be measured.

8. The workpiece detection device according to claim 1, characterized in that: It also includes a sensor (8), wherein the sensor (8) is communicatively connected to the control device; The sensor (8) is used to detect distance information of the upper surface of the workpiece (11) to be measured relative to the upper surface of the positioning device (2), and send the distance information to the control device; The control device is used to receive the distance information and control the driving device (10) to drive the detection device (1) to adjust the position according to the distance information and a preset detection height.

9. The workpiece detection device according to claim 1, characterized in that: comprising a frame (9); The driving device, the control device, the detection device (1) and the positioning device (2) are all arranged in the frame (9).

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