Optical lens detection equipment

Abstract

The utility model provides optical lens detection equipment. The optical lens detection equipment comprises a detection tray placing groove, a thickness measuring mechanism, a surface shape detection mechanism, a temporary storage platform and a sorting tray placing groove, the surface shape detection mechanism comprises two interferometers which are arranged in parallel left and right; the detection tray placing groove, the thickness measuring mechanism and the interferometer on the left side are sequentially arranged on the left side of the machine table from front to back; the interferometer on the right side, the temporary storage platform and the sorting tray containing groove are sequentially arranged on the right side of the machine table from back to front. The detection tray placing groove and the sorting tray placing groove are arranged side by side left and right; the thickness measurement feeding mechanism is used for transferring the lens in the detection charging tray to the thickness measurement mechanism; the surface shape detection feeding mechanism is used for transferring the lens from the thickness measurement mechanism to the surface shape detection mechanism; the temporary storage platform feeding mechanism is used for transferring the lenses from the surface shape detection mechanism to the temporary storage platform; and the sorting tray feeding mechanism is used for transferring the lenses from the temporary storage platform to the sorting tray. The lens preparation time can be shortened, and the occupied area of the equipment is small.

Description

TECHNICAL FIELD

[0001] The utility model relates to lens detection technical field especially relates to an optical lens detection equipment. BACKGROUND

[0002] With the development of intelligentization, the popularization degree of mobile phones and other electronic products is higher and higher, and the detection demand of the lens of the mobile phones and other electronic products is also increasingly huge. The existing lens detection equipment is usually composed of multiple modules, including a feeding mechanism, a material taking mechanism, a thickness measuring mechanism, a front transplanting module, a detection mechanism, a rear transplanting module and a stacking mechanism arranged in sequence. When the equipment is running, the whole tray is first clamped by an electric clamp and transferred to the thickness measuring station, and the thickness of the lenses in the tray is detected by using a thickness measuring machine. After the thickness detection is completed, the electric clamp clamps the tray again and transfers it to the detection station, and the appearance of the lenses in the tray is detected by the detector. Finally, the tray is clamped and transferred to the stacking station for stacking operation.

[0003] However, this detection method has many defects and limitations. First of all, a plurality of lenses need to be laid flat in a single layer in the tray before detection, which increases the workload of manual preparation. Secondly, the production line of the detection equipment is long, and a large space is needed between the modules to arrange the transfer path, resulting in a large equipment area, high requirements for the production site, increased equipment layout cost and difficulty in space utilization of the enterprise. UTILITY MODEL CONTENT

[0004] The utility model aims at providing an optical lens detection equipment which can greatly reduce the preparation time of the lenses in the detection tray, and the structure design of the equipment is reasonable, the layout is compact, and the space utilization rate is high.

[0005] The technical scheme for realizing the utility model is as follows: an optical lens detection equipment, comprising a machine table, a detection tray placing groove, a thickness measuring mechanism, a surface shape detection mechanism, a temporary storage platform and a sorting tray placing groove are arranged on the machine table;

[0006] The surface shape detection mechanism comprises two sets of interferometers arranged side by side;

[0007] The detection tray placing groove, the thickness measuring mechanism and the interferometer on the left side are arranged in sequence from front to back on the left side of the machine table;

[0008] The interferometer on the right side, the temporary storage platform and the sorting tray placing groove are arranged in sequence from back to front on the right side of the machine table;

[0009] The detection tray placing groove and the sorting tray placing groove are arranged side by side;

[0010] The machine table is further provided with a thickness measuring feeding mechanism, a surface shape detection feeding mechanism, a temporary storage platform feeding mechanism and a sorting tray feeding mechanism.

[0011] The thickness measuring and feeding mechanism and the sorting tray feeding mechanism have the same structure, and specifically, each comprises a two-dimensional movement platform mounted on the machine table, a lifting cylinder fixed on the front side wall or the rear side wall of the two-dimensional movement platform, a mounting plate drivingly connected to the piston rod of the lifting cylinder, a first vertical air cylinder mounted on the mounting plate, and a first lens suction accessory drivingly connected to the bottom end of the first vertical air cylinder;

[0012] The surface shape detection and feeding mechanism and the temporary storage platform feeding mechanism have the same structure, and specifically, each comprises a rotating shaft vertically rotatably mounted on the machine table, a horizontal swing arm rotatably mounted on the rotating shaft, a second vertical air cylinder mounted on the front end of the horizontal swing arm, and a second lens suction accessory drivingly lifted by the second vertical air cylinder;

[0013] The detection tray placing groove and the thickness measuring mechanism are located on the moving path of the first lens suction accessory of the thickness measuring and feeding mechanism;

[0014] The thickness measuring mechanism and the left interferometer are located on the swing path of the second lens suction accessory of the surface shape detection and feeding mechanism;

[0015] The right interferometer and the temporary storage platform are located on the swing path of the second lens suction accessory of the temporary storage platform feeding mechanism;

[0016] The temporary storage platform and the sorting tray placing groove are located on the moving path of the first lens suction accessory of the sorting tray feeding mechanism.

[0017] The optical lens detection equipment of the utility model rationally and compactly arranges the detection tray placing groove, the thickness measuring mechanism, the surface shape detection mechanism, the temporary storage platform and the sorting tray placing groove on the machine table, and realizes the step-by-step transfer of the lens between the modules by means of the thickness measuring and feeding mechanism, the surface shape detection and feeding mechanism, the temporary storage platform feeding mechanism and the sorting tray feeding mechanism, and the to-be-detected lens in the detection tray can be randomly stacked, and the first lens suction accessory of the thickness measuring and feeding mechanism can suck the to-be-detected lens, so that the lens in the detection tray does not need to be regularly placed in advance, and the preparation time of the lens in the detection tray is greatly saved; in addition, the equipment space utilization rate, the operation flexibility and the convenience of the equipment are improved.

[0018] Further, the thickness measuring mechanism comprises a thickness measuring platform and a thickness gauge, and the thickness measuring platform is further provided with a first finger air cylinder, two first pneumatic fingers of the first finger air cylinder are located on the same horizontal plane, and a first lens clamping space is formed between the two first pneumatic fingers; the inner surface of each first pneumatic finger is arc-shaped and is matched with the outer contour of the lens. By moving the two first pneumatic fingers of the first finger air cylinder to clamp the lens to be measured, the lens is centered, and the lens is kept stable during the detection.

[0019] Further, a turnover mechanism is further arranged on the machine table between the two interferometers; the turnover mechanism comprises a mounting bracket located in front of the surface shape detection mechanism and a turnover air cylinder penetrating the mounting bracket in the radial direction, a piston rod of the turnover air cylinder is arranged towards the rear, a second finger air cylinder is mounted at the end of the piston rod, and two second pneumatic fingers of the second finger air cylinder are oppositely arranged on the left and right sides, and the two second pneumatic fingers form a second lens clamping space. The lens can be automatically turned over by 180 degrees by the turnover mechanism. Further, a lens displacement mechanism is further arranged in front of the turnover mechanism, and the surface shape detection feeding mechanism and the temporary storage platform feeding mechanism are separately arranged on the left and right sides of the lens displacement mechanism; the lens displacement mechanism comprises a back plate frame mounted on the machine table and a back plate vertically fixed on the back plate frame, a horizontal moving guide rail is fixed on a surface of the back plate facing the surface shape detection mechanism, a sliding seat is mounted on the horizontal moving guide rail, a vertical sliding groove is arranged on the sliding seat, and a vertical sliding rod is slidably mounted in the vertical sliding groove; a reverse U-shaped guide groove is further arranged on the back plate; the top of the vertical sliding rod is in rolling connection with the inner wall of the guide groove through a roller; a horizontal rod is fixedly arranged at the bottom of the vertical sliding rod, two third vertical air cylinders are oppositely arranged on the horizontal rod, and a third lens suction member is connected to the bottom end of each third vertical air cylinder; the left interferometer and the turnover mechanism are located on the moving path of the left third lens suction member; the turnover mechanism and the right interferometer are located on the moving path of the right third lens suction member. The lens can be transferred from the left interferometer to the turnover mechanism by the lens displacement mechanism, and then the lens can be transferred from the turnover mechanism to the right interferometer after being turned over. At the same time, the vertical sliding rod, the horizontal rod and the two third vertical air cylinders drive the two third lens suction members to reciprocally move along the guide groove, so that the two lenses on different stations are synchronously transferred, and the working efficiency of the equipment is improved. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 The top view structural schematic diagram of the optical lens detection equipment is shown in the embodiment of the utility model, and the directions of the two arrows indicate the moving paths of the two second lens suction members respectively;

[0021] Figure 2A three-dimensional structure schematic view of the thickness measuring and feeding mechanism is shown in the embodiment of the utility model.

[0022] Figure 3 A top view structure schematic view of the thickness measuring mechanism is shown in the embodiment of the utility model.

[0023] Figure 4 A three-dimensional structure schematic view of the temporary storage platform feeding mechanism is shown in the embodiment of the utility model.

[0024] Figure 5 A three-dimensional structure schematic view of the turnover mechanism and lens displacement mechanism is shown in the embodiment of the utility model.

[0025] Figure 6 An assembly structure schematic view of the cross bar, two first vertical air cylinders and two first suction accessories of the lens displacement mechanism is shown in the embodiment of the utility model. DETAILED DESCRIPTION

[0026] The preferable embodiment of the optical lens detection equipment of the utility model is described in detail below with reference to the drawings.

[0027] In combination Figures 1-4 An optical lens detection equipment comprises a machine table 10, a detection tray placing groove 20, a thickness measuring mechanism 30, a surface shape detection mechanism, a temporary storage platform 50 and a sorting tray placing groove 60 are arranged on the machine table 10.

[0028] The surface shape detection mechanism comprises two sets of interferometers 40 arranged side by side.

[0029] The detection tray placing groove 20, the thickness measuring mechanism 30 and the left interferometer 40 are arranged in sequence from front to back on the left side of the machine table 10.

[0030] The right interferometer 40, the temporary storage platform 50 and the sorting tray placing groove 60 are arranged in sequence from back to front on the right side of the machine table 10.

[0031] The detection tray placing groove 20 and the sorting tray placing groove 60 are arranged side by side.

[0032] The machine table 10 is further provided with a thickness measuring and feeding mechanism 70, a surface shape detection and feeding mechanism 80, a temporary storage platform feeding mechanism 90 and a sorting tray feeding mechanism 100.

[0033] The thickness measuring and feeding mechanism 70 comprises a two-dimensional moving platform 71 installed on the machine table 10, a lifting cylinder 72 fixed on the front or rear side wall of the two-dimensional moving platform 71, a mounting plate 73 drivingly connected to the piston rod of the lifting cylinder 72, a first vertical air cylinder 74 installed on the mounting plate 73, and a first lens suction accessory 75 drivingly connected to the bottom end of the first vertical air cylinder 74; the sorting tray feeding mechanism 100 is identical in structure to the thickness measuring and feeding mechanism 70, and thus no specific structural diagram of the sorting tray feeding mechanism 100 is provided;

[0034] The temporary storage platform feeding mechanism 90 comprises a rotating shaft 91 vertically rotatably installed on the machine table, a horizontal swing arm 92 rotatably installed on the rotating shaft 91, a second vertical air cylinder 93 installed on the front end of the horizontal swing arm 92, and a second lens suction accessory 94 drivingly lifted by the second vertical air cylinder 93;

[0035] The surface shape detection and feeding mechanism 80 is identical in structure to the temporary storage platform feeding mechanism 90, and comprises a rotating shaft 81, a horizontal swing arm 82, a second vertical air cylinder 83, and a second lens suction accessory;

[0036] The detection tray placing groove 20 and the thickness measuring mechanism 30 are located on the moving path of the first lens suction accessory 75 of the thickness measuring and feeding mechanism 70;

[0037] The thickness measuring mechanism 30 and the left interferometer 40 are located on the swing path of the second lens suction accessory of the surface shape detection and feeding mechanism 80;

[0038] The right interferometer 41 and the temporary storage platform 50 are located on the swing path of the second lens suction accessory 94 of the temporary storage platform feeding mechanism 90;

[0039] The temporary storage platform 50 and the sorting tray placing groove 60 are located on the moving path of the first lens suction accessory of the sorting tray feeding mechanism 100.

[0040] In operation, the detection tray 200 loaded with the lens to be measured is placed in the detection tray positioning groove 20, and the detection tray 200 is positioned by the detection tray positioning groove 20; the two-dimensional platform 71 and the lifting cylinder 72 of the thickness measuring and feeding mechanism 70 are used to move the first lens suction accessory 75, the first lens suction accessory 75 is first moved to the top of the detection tray 200, the corresponding first vertical air cylinder 74 drives the first lens suction accessory 75 to move up and down to suction a lens from the detection tray 200, and then the lens is transferred to the thickness measuring mechanism 30 for feeding, and the thickness of the lens is measured by the thickness measuring mechanism 30;

[0041] After the lens thickness measurement is completed, the rotation shaft 81 of the surface detection feeding mechanism 80 is rotated, the horizontal swing arm 82 drives the second vertical cylinder 83 and the second lens suction accessory to swing around the rotation shaft 81, the second lens suction accessory is first moved to the thickness measurement mechanism 30, the second vertical cylinder 83 is used to suck the lens up and down, then the lens is transferred to the left interferometer 40 for feeding, and the appearance of the upper surface of the lens is detected by the left interferometer 40; after the lens is turned over, the appearance of the lower surface of the lens is detected by the right interferometer 40; then, the detected lens is transferred from the right interferometer 40 to the temporary storage platform 50 by the temporary storage platform feeding mechanism 90; finally, the lens is transferred into the sorting tray in the sorting tray placing groove by the sorting tray feeding mechanism 100.

[0042] The sorting tray in the sorting tray placing groove generally includes a qualified product tray and an unqualified product tray, and the lens meeting the detection results of thickness measurement and appearance detection can be transferred into the qualified product tray by the sorting tray feeding mechanism, and the lens not meeting the detection results can be transferred into the unqualified product tray, so that the lens sorting is realized.

[0043] The lens to be detected in the detection tray 200 of the optical lens detection equipment can be randomly stacked, as long as the first lens suction accessory 75 of the thickness measurement feeding mechanism 70 can suck the lens to be detected, and the lens does not need to be placed neatly in advance, so that the preparation time of the lens in the detection tray is greatly saved; meanwhile, the lens is directly transferred, and the appearance of the lens is detected by the interferometer 40, so that the detection accuracy of each lens can be ensured; in addition, the modules are reasonably and compactly arranged, so that the space utilization rate of the equipment, the operation flexibility and convenience of the equipment are improved.

[0044] In the specific implementation process, in combination with Figure 1 and Figure 2 , the two-dimensional motion platform 71 comprises a longitudinal guide rail and a transverse guide rail, a sliding table is slidably installed on the longitudinal guide rail, the transverse guide rail is arranged on a table top of the sliding table, a sliding block is installed on the transverse guide rail, and the lifting rod is fixedly arranged on the front side wall or the rear side wall of the sliding block.

[0045] Further, in combination with Figure 1 and Figure 3 , the thickness measurement mechanism 30 comprises a thickness measurement platform 31 and a thickness gauge 32, a first finger cylinder 33 is further arranged on the thickness measurement platform 31, two first pneumatic fingers 331 of the first finger cylinder 33 are located on the same horizontal plane, and a first lens clamping space is formed between the two first pneumatic fingers 331; the inner surfaces of each first pneumatic finger 331 are arc-shaped and matched with the outer contour of the lens.

[0046] Further, as shown in Figure 5 The machine table 10 between the two interferometers 40 is also provided with a turnover mechanism 110; the turnover mechanism 110 includes a mounting bracket 111 located in front of the surface shape detection mechanism and a turnover cylinder 112 radially penetrating the mounting bracket 111, the piston rod of the turnover cylinder 112 is arranged towards the back, the end of the piston rod is provided with a second finger cylinder 113, two second pneumatic fingers 1131 of the second finger cylinder 113 are oppositely arranged on the left and right, and the two second pneumatic fingers 1131 form a second lens clamping space. Through the turnover mechanism 110, the lens can be automatically turned over by 180°. Further, as shown in Figure 5 The front of the turnover mechanism 110 is also provided with a lens shifting mechanism 120, and the surface shape detection feeding mechanism 80 and the temporary storage platform feeding mechanism 90 are separately arranged on the left and right sides of the lens shifting mechanism 120. Preferably, in combination with Figure 5 And Figure 6 The lens shifting mechanism 120 includes a back plate frame 121 mounted on the machine table 10 and a back plate 122 vertically fixed on the back plate frame 121; a horizontal moving guide rail 123 is fixed on the surface of the back plate 122 facing the surface shape detection mechanism, a sliding seat 124 is mounted on the horizontal moving guide rail 123, a vertical sliding groove is arranged on the sliding seat 124, and a vertical sliding rod 125 is slidingly installed in the vertical sliding groove; a reverse U-shaped guide groove 1221 is formed in the back plate 122; the top of the vertical sliding rod 125 is rollingly connected with the inner wall of the guide groove 1221 through a roller; a cross bar 126 is fixedly arranged at the bottom of the vertical sliding rod 125, two third vertical cylinders 127 are arranged on the cross bar 126, and each third vertical cylinder 127 is drivingly connected with a third lens suction member 128; the left interferometer 40 and the turnover mechanism 110 are located on the moving path of the left third lens suction member 127; the turnover mechanism 110 and the right interferometer 40 are located on the moving path of the right third lens suction member 127. Through the lens shifting mechanism 120, the lens can be transferred from the left interferometer 40 to the turnover mechanism 110, and then transferred from the turnover mechanism 110 to the right interferometer 40 after being turned over, and at the same time, the two third lens suction members 128 are driven to reciprocate along the guide groove 1221 through the vertical sliding rod 125, the cross bar 126 and the two third vertical cylinders 127, so that the lenses on two different stations are synchronously transferred at one time, which is beneficial to improve the working efficiency of the equipment. The lens shifting mechanism 120 of the utility model can be but not limited to the specific structure in the drawings, and can also adopt a transfer mechanism similar to the lens transfer mechanism of the surface shape detection feeding mechanism.

[0047] The thickness measuring mechanism 30 adopts a common thickness detection device, and the specific structure is not described herein. The interferometer is a common instrument, and the specific structure is not described herein.

[0048] The first lens suction accessory, the second lens suction accessory and the third lens suction accessory all adopt vacuum suction cups, and the lenses are tightly adsorbed.

[0049] The above is only an embodiment of the utility model, and does not limit the patent range of the utility model, and any equivalent process transformation or direct or indirect application in other related technical fields by using the utility model specification content is also included in the patent protection range of the utility model.

Claims

1. An optical lens detection device, comprising a machine table, characterized in that: a detection tray placing groove, a thickness measuring mechanism, a surface shape detection mechanism, a temporary storage platform and a sorting tray placing groove are arranged on the machine table; the surface shape detection mechanism comprises two sets of interferometers arranged side by side; the detection tray placing groove, the thickness measuring mechanism and the left interferometer are arranged in sequence from front to back on the left side of the machine table; the right interferometer, the temporary storage platform and the sorting tray placing groove are arranged in sequence from back to front on the right side of the machine table; the detection tray placing groove and the sorting tray placing groove are arranged side by side; the machine table is further provided with a thickness measuring feeding mechanism, a surface shape detection feeding mechanism, a temporary storage platform feeding mechanism and a sorting tray feeding mechanism; the thickness measuring feeding mechanism and the sorting tray feeding mechanism are structurally identical, and each specifically comprises a two-dimensional motion platform mounted on the machine table, a lifting cylinder fixed to the front side wall or the rear side wall of the two-dimensional motion platform, a mounting plate drivingly connected to the piston rod of the lifting cylinder, a first vertical air cylinder mounted on the mounting plate, and a first lens suction accessory drivingly connected to the bottom end of the first vertical air cylinder; the surface shape detection feeding mechanism and the temporary storage platform feeding mechanism are structurally identical, and each specifically comprises a rotating shaft vertically rotatably mounted on the machine table, a horizontal swing arm rotatably mounted on the rotating shaft, a second vertical air cylinder mounted on the front end of the horizontal swing arm, and a second lens suction accessory drivingly lifted by the second vertical air cylinder; the detection tray placing groove and the thickness measuring mechanism are located on the moving path of the first lens suction accessory of the thickness measuring feeding mechanism; the thickness measuring mechanism and the left interferometer are located on the swing path of the second lens suction accessory of the surface shape detection feeding mechanism; the right interferometer and the temporary storage platform are located on the swing path of the second lens suction accessory of the temporary storage platform feeding mechanism; the temporary storage platform and the sorting tray placing groove are located on the moving path of the first lens suction accessory of the sorting tray feeding mechanism. The thickness measuring mechanism comprises a thickness measuring platform and a thickness measuring instrument, the thickness measuring platform is further provided with a first finger air cylinder, two first pneumatic fingers of the first finger air cylinder are located on the same horizontal plane, and a first lens clamping space is formed between the two first pneumatic fingers; the inner surface of each first pneumatic finger is arc-shaped and matched with the outer contour of the lens. A turnover mechanism is further arranged on the machine table between the two interferometers, the turnover mechanism comprises a mounting bracket located in front of the surface shape detection mechanism and a turnover air cylinder radially penetrating through the mounting bracket, the piston rod of the turnover air cylinder is arranged towards the back, the end of the piston rod is provided with a second finger air cylinder, and two second pneumatic fingers of the second finger air cylinder are arranged opposite to each other, and a second lens clamping space is formed between the two second pneumatic fingers. ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ 2. The optical lens detection device of claim 1, characterized in that: ​ 3. The optical lens detection device of claim 1, characterized in that: ​ 4. The optical lens detection device of claim 3, characterized in that: The front of the turnover mechanism is also provided with a lens shifting mechanism, and the face shape detection feeding mechanism and the temporary storage platform feeding mechanism are separately arranged on the left and right sides of the lens shifting mechanism; the lens shifting mechanism comprises a back plate frame mounted on a machine table and a back plate vertically fixed on the back plate frame; a horizontal moving guide rail is fixed on the side of the back plate facing the face shape detection mechanism, a sliding seat is mounted on the horizontal moving guide rail, a vertical sliding groove is arranged on the sliding seat, and a vertical sliding rod is slidingly installed in the vertical sliding groove; a reverse U-shaped guide groove is also formed in the back plate; the top of the vertical sliding rod is in rolling connection with the inner wall of the guide groove through a roller; the bottom of the vertical sliding rod is fixedly provided with a horizontal rod, two third vertical air cylinders are arranged on the horizontal rod in a left-right manner, and a third lens suction accessory is drivingly connected to the bottom end of each third vertical air cylinder; the interferometer on the left and the turnover mechanism are located on the moving path of the third lens suction accessory on the left; the turnover mechanism and the interferometer on the right are located on the moving path of the third lens suction accessory on the right.

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