Positioning device for automatic air suction feeding and discharging of wafer workpieces
By introducing a two-stage stepped structure and a V-shaped opening groove positioning device into the pneumatic automatic loading and unloading equipment, the problem of precise positioning of thin circular workpieces on CNC machine tools has been solved, achieving precise loading and processing accuracy of sapphire thin circular workpieces.
Patent Information
- Application Number
- CN202423251034.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-27
- Publication Date
- 2025-12-26
- Estimated Expiration
- 2034-12-27
AI Technical Summary
Existing pneumatic automatic loading and unloading equipment has difficulty accurately placing thin circular workpieces in the machining position of CNC machine tools, resulting in insufficient machining accuracy. A precise positioning device is needed.
An automatic pneumatic suction and loading positioning device for circular workpieces was designed. By setting a two-stage stepped structure and a V-shaped opening groove on the base, combined with a needle-type cylinder and a push rod, secondary positioning of the sapphire thin circular workpiece is achieved, so that the suction nozzle can accurately pick up the center position of the workpiece.
It improves the feeding and positioning accuracy and stability of sapphire wafers, ensures processing precision, saves operators' time, and improves work efficiency.
Smart Images
Figure CN223718948U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to processing positioning field, concretely relates to positioning device of automatic air suction of round piece workpiece. BACKGROUND
[0002] Sapphire has excellent optical performance, and has good transmittance in ultraviolet, infrared and visible light bands, and is an ideal multi-spectrum broadband window material, which is widely used in optical windows, instruments and medical devices industries. The shape of the sapphire window is mostly thin round piece, with a diameter of 4mm to 15mm and a thickness of 0.9mm to 5mm.
[0003] In the prior art, the thin round piece workpiece is generally loaded by air suction type automatic loading and unloading equipment, but the existing thin round piece workpiece is basically arranged in the loading tray by vibrating sieve to form positioning, and then the suction nozzle of the air suction type automatic loading and unloading equipment directly sucks the thin round piece workpiece from the loading tray to move to the numerical control lathe for processing. In this way, the suction nozzle of the air suction type automatic loading and unloading equipment is difficult to directly suck the center position of the thin round piece workpiece, so it is difficult for the air suction type automatic loading and unloading equipment to accurately place the thin round piece workpiece at the processing position of the numerical control machine, and if the operator does not manually position it, it is easy to cause the shape of the processed sapphire window to not meet the requirements. Therefore, there is an urgent need for a device that can accurately position. SUMMARY
[0004] The utility model provides a positioning device for automatic air suction loading and unloading of round piece workpiece in view of the above-mentioned problems, which accurately positions the position of the sapphire thin round piece through secondary positioning of the sapphire thin round piece, ensures that the suction nozzle of the air suction type automatic loading and unloading equipment can be adsorbed to the center position of the sapphire thin round piece, and makes the processing position on the numerical control machine accurate.
[0005] The technical scheme of the utility model is: a positioning device for automatic air suction loading and unloading of round piece workpiece, including base, the base is two stage ladder structure, wherein the upper end face of one stage ladder sets up a top rod groove, one end of the top rod groove sets up a gas cylinder, the piston rod of the gas cylinder is connected with a top rod, the cross section lower part clearance of the top rod is matched in the top rod groove, the other end of the top rod groove corresponds two stage ladder, the V type open slot is equipped on the side of two stage ladder facing the gas cylinder, the angle bisector of the V type open slot and the top rod axis are on a straight line.
[0006] Preferably, an adjusting nut is arranged on the gas cylinder.
[0007] Preferably, the top rod is a stepped rod, which is divided into three segments, wherein the small diameter segment has a diameter of 2 to 4mm, and the large diameter segment has a diameter of 6 to 10mm.
[0008] Preferably, a threaded hole is arranged on the large diameter section of the ejector rod, and the ejector rod is threadedly connected to the piston rod of the air cylinder.
[0009] Preferably, the width of the V-shaped open groove is greater than the diameter of the circular workpiece.
[0010] Preferably, the air cylinder is a needle type air cylinder.
[0011] The utility model has the advantages that:
[0012] 1. The utility model discloses a sapphire thin circular piece processing device, which additionally adds a positioning during the feeding process of the sapphire thin circular piece, improves the positioning accuracy of the feeding process, enhances the stability of the feeding process and guarantees the accuracy of the subsequent processing.
[0013] 2. The utility model saves the time of the operator and improves the work efficiency. DRAWINGS
[0014] Fig. 1 It is a structural schematic view of the utility model;
[0015] Fig. 2 It is a top view of the utility model;
[0016] Fig. 3 It is a schematic view of the installation position actually used by the utility model. CONCRETE IMPLEMENTING METHOD
[0017] See Figs. 1-2The utility model provides a kind of positioning device of automatic suction loading and unloading of wafer workpiece, including base 1, the base 1 is two-stage ladder structure, wherein the upper end surface of one-stage ladder 11 is provided with a top rod groove 111, one end of the top rod groove 111 is provided with a cylinder 2, the cylinder 2 is needle type cylinder, needle type cylinder is high in accuracy, responds fast, and can quickly retract piston rod, complete positioning, and its quality is light, small in size, and is convenient to install.The piston rod 21 of the cylinder 2 is connected with a top rod 3, the cross section lower clearance of the top rod 3 is fitted in the top rod groove 111, the top rod 3 is ladder rod, which is divided into three sections, wherein the diameter of small diameter section is 2-4mm, the diameter of large diameter section is 6-10mm, the large diameter section of the top rod 3 is provided with threaded hole, the top rod 3 is threaded on the piston rod 21 of the cylinder 2, and is connected by screw thread.When the small diameter section of the top rod 3 is worn at the front end, resulting in poor positioning accuracy, or for different diameter wafer workpiece 5, the top rod 3 can be replaced at any time.The ladder rod structure of the top rod 3 ensures that the small diameter section of the top rod 3 can better push the wafer workpiece 5 to reach the target position, and also ensures that the threaded hole is arranged in the large diameter section, to avoid the problem that the hole wall is too thin to bear force after the top rod 3 is threaded.The other end of the top rod groove 111 corresponds to two-stage ladder 12, the side of the two-stage ladder 12 facing the cylinder 2 is provided with V-shaped open groove 121, and the angle bisector of the V-shaped open groove 121 is on a straight line with the axis of the top rod 3.The width of the V-shaped open groove 121 is greater than the diameter of the wafer workpiece 5, to ensure that the top rod 3 can completely top the wafer workpiece 5 into the V-shaped open groove 121.If the width of the V-shaped open groove 121 is less than the diameter of the wafer workpiece 5, the position of the wafer workpiece 5 is easily offset when the force of the top rod 3 is large, so that the suction nozzle of the suction type automatic loading and unloading equipment cannot be accurately adsorbed to the center position of the wafer workpiece 5, affecting positioning accuracy.The cylinder 2 is provided with adjusting nut 4, and the cylinder 2 can be adjusted in height according to different wafer workpieces 5 by adjusting the adjusting nut 4, so that the top rod 3 can send wafer workpieces 5 of different diameters into the V-shaped open groove 121, so that the wafer workpiece 5 and the two groove surfaces of the V-shaped open groove 121 are tangent at the same time.
[0018] See Fig. 3The utility model discloses a kind of automatic feeding and discharging devices, including numerical control lathe 6, automatic feeding and discharging equipment 7, positioning device 9, V-shaped open slot 121, needle type cylinder drive jack 3, feeding disc 8, discharging disc, vacuum generator, rotary cylinder, vacuum suction disc, vacuum suction nozzle, vacuum suction nozzle 2, vacuum suction nozzle 3, vacuum suction nozzle 4, vacuum suction nozzle 5, vacuum suction nozzle 6, vacuum suction nozzle 7, vacuum suction nozzle 8, vacuum suction nozzle 9, vacuum suction nozzle 10, vacuum suction nozzle 11, vacuum suction nozzle 12, vacuum suction nozzle 13, vacuum suction nozzle 14, vacuum suction nozzle 15, vacuum suction nozzle 16, vacuum suction nozzle 17, vacuum suction nozzle 18, vacuum suction nozzle 19, vacuum suction nozzle 20, vacuum suction nozzle 21, vacuum suction nozzle 22, vacuum suction nozzle 23, vacuum suction nozzle 24, vacuum suction nozzle 25, vacuum suction nozzle 26, vacuum suction nozzle 27, vacuum suction nozzle 28, vacuum suction nozzle 29, vacuum suction nozzle 30, vacuum suction nozzle 31, vacuum suction nozzle 32, vacuum suction nozzle 33, vacuum suction nozzle 34, vacuum suction nozzle 35, vacuum suction nozzle 36, vacuum suction nozzle 37, vacuum suction nozzle 38, vacuum suction nozzle 39, vacuum suction nozzle 40, vacuum suction nozzle 41, vacuum suction nozzle 42, vacuum suction nozzle 43, vacuum suction nozzle 44, vacuum suction nozzle 45, vacuum suction nozzle 46, vacuum suction nozzle 47, vacuum suction nozzle 48, vacuum suction nozzle 49, vacuum suction nozzle 50, vacuum suction nozzle 51, vacuum suction nozzle 52, vacuum suction nozzle 53, vacuum suction nozzle 54, vacuum suction nozzle 55, vacuum suction nozzle 56, vacuum suction nozzle 57, vacuum suction nozzle 58, vacuum suction nozzle 59, vacuum suction nozzle 60, vacuum suction nozzle 61, vacuum suction nozzle 62, vacuum suction nozzle 63, vacuum suction nozzle 64, vacuum suction nozzle 65, vacuum suction nozzle 66, vacuum suction nozzle 67, vacuum suction nozzle 68, vacuum suction nozzle 69, vacuum suction nozzle 70, vacuum suction nozzle 71, vacuum suction nozzle 72, vacuum suction nozzle 73, vacuum suction nozzle 74, vacuum suction nozzle 75, vacuum suction nozzle 76, vacuum suction nozzle 77, vacuum suction nozzle 78, vacuum suction nozzle 79, vacuum suction nozzle 80, vacuum suction nozzle 81, vacuum suction nozzle 82, vacuum suction nozzle 83, vacuum suction nozzle 84, vacuum suction nozzle 85, vacuum suction nozzle 86, vacuum suction nozzle 87, vacuum suction nozzle 88, vacuum suction nozzle 89, vacuum suction nozzle 90, vacuum suction nozzle 91, vacuum suction nozzle 92, vacuum suction nozzle 93, vacuum suction nozzle 94, vacuum suction nozzle 95, vacuum suction nozzle 96, vacuum suction nozzle 97, vacuum suction nozzle 98, vacuum suction nozzle 99, vacuum suction nozzle 100, vacuum suction nozzle 101, vacuum suction nozzle 102, vacuum suction nozzle 103, vacuum suction nozzle 104, vacuum suction nozzle 105, vacuum suction nozzle 106, vacuum suction nozzle 107, vacuum suction nozzle 108, vacuum suction nozzle 109, vacuum suction nozzle 110, vacuum suction nozzle 111, vacuum suction nozzle 112, vacuum suction nozzle 113, vacuum suction nozzle 114, vacuum suction nozzle 115, vacuum suction nozzle 116, vacuum suction nozzle 117, vacuum suction nozzle 118, vacuum suction nozzle 119
Claims
1. A positioning device for automatic pneumatic suction loading and unloading of circular workpieces, characterized in that: The utility model relates to a workpiece clamping device, including base (1), base (1) is two stage ladder structure, wherein the upper end surface of one stage ladder (11) is provided with a top rod groove (111), one end of top rod groove (111) is provided with a cylinder (2), the piston rod (21) of cylinder (2) is connected with a top rod (3), the section lower clearance of top rod (3) is fitted in top rod groove (111), the other end of top rod groove (111) corresponds two stage ladder (12), two stage ladder (12) is provided with V type open slot (121) to the side of cylinder (2), and the angle bisector of V type open slot (121) is on a straight line with the axis of top rod (3).
2. The positioning device for automatic suction feeding of wafer workpieces according to claim 1, characterized in that: The cylinder (2) is provided with an adjusting nut (4).
3. The positioning device for automatic suction feeding of wafer workpieces according to claim 1, characterized in that: The top rod (3) is a ladder rod, which is divided into three sections, wherein the small diameter section has a diameter of 2-4 mm, and the large diameter section has a diameter of 6-10 mm.
4. The positioning device for automatic suction feeding of wafer workpieces according to claim 3, characterized in that: The large diameter section of the top rod (3) is provided with a threaded hole, and the top rod (3) is threadedly connected to the piston rod (21) of the cylinder (2).
5. The positioning device for automatic suction feeding of wafer workpieces according to claim 1, characterized in that: The width of the V-shaped open slot (121) is greater than the diameter of the disc workpiece (5).
6. The positioning device for automatic suction feeding of wafer workpieces according to claim 1, characterized in that: The cylinder (2) is a needle type cylinder.