A feeding mechanism and a fully automatic assembly machine for micro knob switches

Abstract

The present invention proposes a feeding mechanism, including a material storage device, a material diverting mechanism, a stamping die, a material receiving mechanism and a manipulator mechanism; the material storage device includes a support rod, a material loading tray, and a chute connected to the material loading tray, the material loading tray is installed on the support rod, and the chute is used to guide the material in the material loading tray; the material diverting mechanism is arranged at the output port of the chute to transfer the material on the chute to the inside of the stamping die; the stamping die includes a stamping drive device, and the stamping die is driven by the stamping drive device to flush the material and transfer it to the material receiving mechanism; the material receiving mechanism includes a material receiving tray and a material receiving drive device, and under the drive of the material receiving drive device, the material receiving tray exports the material to one side of the manipulator mechanism; the manipulator mechanism takes the material on the material receiving tray. The present invention also proposes a fully automatic assembly machine for miniature knob switches. The assembly efficiency of the assembly machine of the present invention can reach 1500-1800PCS / h, which improves the production efficiency, and the product quality is stable and the qualified rate is high.

Description

Technical Field

[0001] The invention relates to the technical field of assembly machines, in particular to a feeding mechanism, and also to a fully automatic assembly machine for a micro knob switch. Background Art

[0002] The miniature rotary switch is assembled from a variety of parts including a rotor, a contact piece, a spring, a housing, and a bracket. The process includes cutting, hot pressing, oiling, bending, pressing, etc. The assembly is difficult because the parts are small, irregular in shape, and the assembly process is complicated.

[0003] At present, the main assembly method is to use manual and semi-automatic equipment. Due to the product itself, the assembly process is complicated and difficult, resulting in low production efficiency, poor product assembly consistency, unstable quality and low pass rate, thus causing a lot of cost waste but failing to meet customer needs.

[0004] Therefore, how to achieve fully automatic loading and complete assembly is a problem that needs to be solved urgently. Summary of the invention

[0005] The embodiment of the present invention provides a fully automatic assembly machine for miniature knob switches to solve the problems of low production efficiency and low product qualification rate of miniature knob switches in the prior art. In order to have a basic understanding of some aspects of the disclosed embodiments, a simple summary is given below. This summary is not a general review, nor is it intended to identify key / important components or describe the scope of protection of these embodiments. Its only purpose is to present some concepts in a simple form as a preface to the detailed description that follows.

[0006] According to a first aspect of an embodiment of the present invention, a feeding mechanism is provided.

[0007] In some optional embodiments, the feeding mechanism comprises:

[0008] It includes a material storage device, a material shifting mechanism, a stamping die, a material receiving mechanism and a manipulator mechanism;

[0009] The material storage device comprises a support rod, a loading tray and a chute, wherein the loading tray is mounted on the support rod, and the chute is used to guide the material in the loading tray;

[0010] The material transfer mechanism is arranged at the output port of the chute to transfer the material on the chute to the inside of the stamping die;

[0011] The stamping die includes a stamping drive device, and the stamping die is driven by the stamping drive device to punch the material down and transfer it to the material receiving mechanism;

[0012] The material receiving mechanism comprises a material receiving tray and a material receiving driving device. Under the drive of the material receiving driving device, the material receiving tray outputs the material to one side of the manipulator mechanism;

[0013] The manipulator mechanism is used to transfer materials on the receiving tray.

[0014] Optionally, a rotating shaft is provided at the upper end of the support rod, and the loading tray is assembled on the rotating shaft.

[0015] Optionally, the front end of the material-moving mechanism is provided with an arc-shaped material-guiding plate corresponding to the slide groove.

[0016] Optionally, the manipulator mechanism includes a manipulator and a manipulator driving mechanism, and the manipulator is provided with a plurality of suction nozzles, and the suction nozzles are used to pick up materials on the material receiving mechanism.

[0017] According to a second aspect of an embodiment of the present invention, a fully automatic assembly machine for a micro knob switch is provided.

[0018] In some optional embodiments, the fully automatic assembly machine for the micro knob switch includes the feeding mechanisms in the above-mentioned optional embodiments, the number of the feeding mechanisms is 2, namely the first feeding mechanism and the second feeding mechanism, the contact pieces are stored in the feeding tray of the first feeding mechanism, and the spring pieces are stored in the feeding tray of the second feeding mechanism, and also includes: a rotor feeding mechanism, a rotor disk, a hot pressing mechanism, a rotor turning mechanism, a first oiling mechanism, a rotor moving mechanism, a shell feeding mechanism, a shell disk, a shell turning mechanism, a second oiling mechanism, a shell transfer mechanism, a bracket feeding mechanism, an assembly disk, a bending mechanism, and a pressing and unloading mechanism; the first feeding mechanism, the rotor feeding mechanism, the hot pressing mechanism, the rotor turning mechanism, the first oiling mechanism and the rotor moving mechanism are arranged in sequence around the rotor disk, the shell feeding mechanism, the shell turning mechanism, the second oiling mechanism and the shell transfer mechanism are arranged in sequence around the shell disk, and the second feeding mechanism, the bracket feeding mechanism, the pressing and unloading mechanism and the bending mechanism are arranged in sequence around the assembly disk;

[0019] The rotor feeding mechanism is used to transfer the rotor to the tooling of the rotor disk, the first feeding mechanism is used to transfer the contact piece to the tooling of the rotor disk to be assembled with the rotor, the hot pressing mechanism is used to rivet the contact piece and the rotor together, the rotor turning mechanism is used to turn the rotor 180° and place it, the first oiling mechanism is used to apply lubricating oil to the rotor, and the rotor moving mechanism is used to transfer the rotor to the assembly disk;

[0020] The shell feeding mechanism is used to transfer the shell to the tooling of the shell tray, the second oiling mechanism is used to apply lubricating oil to the shell, the shell flipping mechanism is used to flip the shell 180 degrees and place it, and the shell transfer mechanism is used to transfer the shell from the tooling of the shell tray to the tooling on the assembly tray;

[0021] The bracket feeding mechanism is used to transfer the bracket to the tooling on the assembly disk, the second feeding mechanism is used to assemble the spring piece onto the bracket of the assembly disk tooling, the rotor moving mechanism is used to assemble the rotor onto the combined structure of the bracket and the spring piece, the shell transfer mechanism assembles the shell onto the combined structure of the bracket, the spring piece, the rotor and the contact piece, the bending mechanism pre-bends the bracket, and finally the pressing and unloading mechanism presses the bracket flat and then takes the finished product out of the assembly disk.

[0022] Optionally, the rotor disk includes a circular disk, a plurality of toolings arranged on the circular disk, and a rotor disk driving device, and the circular disk and the toolings rotate when driven by the rotor disk driving device.

[0023] Optionally, the rotor feeding mechanism includes a circular vibration, a direct vibration feeder, a cutting mechanism, a CCD detection mechanism, a stepper motor and a handling robot. The output end of the circular vibration is provided with a direct vibration feeder, the output end of the direct vibration feeder is provided with a cutting mechanism, the handling robot transfers the rotor to the top of the CCD detection mechanism, the CCD detection mechanism identifies the direction of the rotor and feeds back information to the stepper motor, and the stepper motor adjusts the direction of the rotor.

[0024] Optionally, the rotor flipping mechanism includes upper and lower cylinders, a fixed plate, a rotating cylinder, a clamping cylinder, a clamping claw, a linear guide, and a visual inspection device. The visual inspection device is used to detect whether there is a contact plate on the rotor and the hot pressing effect of the hot pressing mechanism. The upper and lower cylinders are connected to the fixed plate, the fixed plate is connected to the linear guide, the movement of the upper and lower cylinders is guided by the linear guide, the rotating cylinder is fixed on the fixed plate, the clamping claw is fixed on the rotating cylinder, the clamping claw is fixed on the clamping claw cylinder, the clamping claw clamps the rotor from the tooling of the rotor disk, the upper and lower cylinders move upward to separate the rotor from the tooling, the rotating cylinder rotates the rotor 180°, and the clamping claw opens to place the rotor back on the tooling.

[0025] Optionally, the outer shell disk includes a servo motor, a hollow rotating platform, a disc and an outer shell tooling, the disc is fixed on the hollow rotating platform, and driven by the servo motor, the disc rotates with the hollow rotating platform, the outer shell tooling is fixed on the disc, and the outer shell tooling is positioned by a positioning pin.

[0026] Optionally, the bending mechanism includes upper and lower cylinders, a sliding base plate, a linear guide rail, a fixed base plate, a bending pressure head, and a bending cylinder. The upper and lower cylinders are connected to the sliding base plate, the sliding base plate is fixed on the linear guide rail, the sliding base plate is connected to the fixed base plate, the fixed base plate is provided with a pressure head, a guide groove, and a bending cylinder. The pressure head is provided with a spring, the bending cylinder is connected to the bending pressure head, and the bending pressure head slides in the guide groove driven by the bending cylinder; the upper and lower cylinders move downward, the pressure head compresses the outer shell, and the bending cylinders on both sides drive the bending pressure head to bend the bracket, and the upper and lower cylinders move upward to separate from the product to complete the bending.

[0027] The technical solution provided by the embodiment of the present invention may have the following beneficial effects:

[0028] (1) The present invention has a short operating cycle of 2.1-2.3S / PCS, a low equipment failure rate, a high production capacity, and an assembly efficiency of 1500-1800PCS / h, thereby improving production efficiency;

[0029] (2) The present invention adopts three turntable modes, which are reasonably arranged according to the process requirements. The workstations are compactly arranged and properly connected. The spring pieces and contact pieces are loaded by punching and cutting with a high cutting accuracy, and the size requirements are met after cutting. DD motors, servo motors, lead screws and other driving methods are adopted, and guide rails and slide grooves are used for guidance. The overall equipment has high precision and good stability, and the production yield is high. The tooling adopts a positioning pin positioning method to ensure that the product is positioned uniformly on the tooling, and a vacuum generator is provided on the tooling to prevent the product from falling during operation. The rotor feeding mechanism adopts a CCD detection mechanism to adjust the rotor direction in real time. The pressing and unloading mechanism can add CCD visual detection and optical fiber detection as needed to monitor the equipment operation status and product assembly effect in real time, and can distinguish defective products and prevent the outflow of defective products. The problems of manual assembly difficulties, low efficiency, and low yield are solved.

[0030] It is to be understood that the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0031] The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the invention and, together with the description, serve to explain the principles of the invention.

[0032] Figure 1 is a schematic diagram of the overall structure of a fully automatic assembly machine for miniature knob switches according to an exemplary embodiment;

[0033] Figure 2 is a schematic diagram of the overall structure of a rotor disk according to an exemplary embodiment;

[0034] Figure 3 is a schematic diagram of the overall structure of a rotor feeding mechanism according to an exemplary embodiment;

[0035] Figure 4 is a schematic diagram of the overall structure of a first feeding mechanism according to an exemplary embodiment;

[0036] Figure 5 is a schematic diagram of the overall structure of a heat press according to an exemplary embodiment;

[0037] Figure 6 is a schematic diagram of the overall structure of a rotor flipping mechanism according to an exemplary embodiment;

[0038] Figure 7 is a schematic diagram of the overall structure of a first oiling mechanism according to an exemplary embodiment;

[0039] Figure 8 is a schematic diagram of the overall structure of a rotor material transfer mechanism according to an exemplary embodiment;

[0040] Fig. 9 is a schematic diagram of the overall structure of a bracket feeding mechanism according to an exemplary embodiment;

[0041] Fig.10 is a schematic diagram of the overall structure of a housing disk according to an exemplary embodiment;

[0042] Fig.11 is a schematic diagram of the overall structure of a housing transfer mechanism according to an exemplary embodiment;

[0043] Fig.12 is a schematic diagram of the overall structure of a bending mechanism according to an exemplary embodiment;

[0044] Fig.13 is a schematic diagram of the overall structure of a pressing and blanking mechanism according to an exemplary embodiment;

[0045] Reference numerals:

[0046] 1. Rotor disc; 2. Rotor feeding mechanism; 3. First feeding mechanism; 4. Hot pressing mechanism; 5. Rotor turning mechanism; 6. First oiling mechanism; 7. Rotor shifting mechanism; 8. Assembly disc; 9. Bracket feeding mechanism; 10. Second feeding mechanism; 11. Shell disc; 12. Shell feeding mechanism; 13. Second oiling mechanism; 14. Shell turning mechanism; 15. Shell transfer mechanism; 16. Bending mechanism; 17. Pressing and unloading mechanism; 18. Support rod; 19 Rotor disc driving device; 20. Tooling; 21. Slide; 22. Vacuum generator; 23. Disc; 24. Circular vibration; 25. Straight vibration feeder; 26. Cutting mechanism; 27. Handling robot; 28. Stepper motor; 29. ​​Suction nozzle; 30. CCD detection mechanism; 31. Loading tray; 32. Material shifting mechanism; 33. Stamping die; 34. Stamping drive device; 35. Material receiving mechanism; 36. Robot mechanism; 37. Suction nozzle; 38. Cylinder; 39. Linear guide; 40. Heating rod; 41. Hot pressing head; 42. Limit screw; 43. Temperature controller; 44. Upper and lower cylinders; 45. Linear guide; 46. Rotary cylinder; 47. Gripping cylinder; 48. Gripping claw ;49. Visual inspection device;50. Fixing plate;51. Three-axis platform;52. Oiling syringe;53. Servo motor;54. Screw module;55. Upper and lower cylinders;56. Claw cylinder;57. Claw;58. Linear guide;59. Connecting plate;60. Limit screw;61. Circular vibration;62. Straight vibration feeder;63. Cutting mechanism;64. Suction nozzle;65. Handling manipulator;66. Servo motor;67. Hollow rotating platform;68. Disc;69. Shell tooling;70. Pen-shaped cylinder;71. Linear guide;72. Connecting plate;73. Upper and lower Cylinder; 74, suction nozzle; 75, sliding plate B; 76, sliding plate A; 77, upper and lower cylinder fixing plates; 78, upper and lower cylinders; 79, linear guide rail; 80, sliding base plate; 81, pressure head; 82, spring; 83, bending cylinder; 84, bending pressure head; 85, guide groove; 86, fixed base plate; 87, first cylinder; 88, sliding plate A; 89, second cylinder; 90, sliding plate B; 91, third cylinder; 92, pressure head; 93, slide groove; 94, clamping claw cylinder; 95, clamping claw; 96, connecting plate; 97, collecting box; 98, pressing and taking material mechanism. DETAILED DESCRIPTION

[0047] The following description and accompanying drawings fully illustrate the specific embodiments of this article so that those skilled in the art can practice them. Parts and features of some embodiments may be included in or replace parts and features of other embodiments. The scope of the embodiments of this article includes the entire scope of the claims, as well as all available equivalents of the claims. Herein, the terms "first", "second", etc. are only used to distinguish one element from another, without requiring or implying any actual relationship or order between these elements. In fact, the first element can also be called the second element, and vice versa. Moreover, the terms "include", "comprise" or any other variant thereof are intended to cover non-exclusive inclusion, so that the structure, device or equipment including a series of elements includes not only those elements, but also other elements that are not explicitly listed, or also include elements inherent to such structure, device or equipment. In the absence of more restrictions, the elements defined by the sentence "including one..." do not exclude the existence of other identical elements in the structure, device or equipment including the elements. Each embodiment is described in a progressive manner herein, and each embodiment focuses on the differences from other embodiments, and the same and similar parts between the embodiments can be referred to each other.

[0048] The terms "longitudinal", "lateral", "upper", "lower", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside" and the like used herein to indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, are only for the convenience of describing this article and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention. In the description herein, unless otherwise specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a mechanical connection or an electrical connection, it can also be the internal connection of two elements, it can be a direct connection, or it can be an indirect connection through an intermediate medium. For ordinary technicians in this field, the specific meanings of the above terms can be understood according to specific circumstances.

[0049] As used herein, the term "plurality" means two or more than two, unless otherwise specified.

[0050] In this document, the character " / " indicates that the preceding and following objects are in an "or" relationship. For example, A / B means: A or B.

[0051] In this article, the term "and / or" is a description of the association relationship between objects, indicating that three relationships may exist. For example, A and / or B means: A or B, or, A and B.

[0052] Figure 4An optional embodiment of the feeding mechanism of the present invention is shown.

[0053] In this optional embodiment, it includes a material storage device, a material shifting mechanism 32, a stamping die 33, a material receiving mechanism 35 and a manipulator mechanism 36;

[0054] The material storage device includes a support rod 18, a loading tray 31 and a chute 21, wherein the loading tray 31 is mounted on the support rod 18, and the chute 21 is used to guide the material in the loading tray 31;

[0055] The material transfer mechanism 32 is disposed at the output port of the chute 21 to transfer the material on the chute 21 to the inside of the stamping die 33;

[0056] The punching die 33 includes a punching drive device 34. The punching die 33 punches the material down and transfers it to the material receiving mechanism 35 under the drive of the punching drive device 34.

[0057] The material receiving mechanism 35 includes a material receiving tray and a material receiving driving device. Under the drive of the material receiving driving device, the material receiving tray outputs the material to one side of the manipulator mechanism 36;

[0058] The manipulator mechanism 36 is used to transfer materials on the receiving tray.

[0059] Optionally, the stamping drive device 34 is a cylinder, and the cylinder drives the lower stamping die 33 to apply a downward force to the material.

[0060] Optionally, a rotating shaft is provided at the upper end of the support rod 18, and the loading tray 31 is assembled on the rotating shaft.

[0061] Optionally, a front end of the material-moving mechanism 32 is provided with an arc-shaped material-guiding plate corresponding to the slide groove 21 .

[0062] Optionally, the manipulator mechanism 36 includes a manipulator and a manipulator driving mechanism, and the manipulator is provided with a plurality of suction nozzles 37, and the suction nozzles 37 are used to pick up materials on the material receiving mechanism.

[0063] Figure 1 An optional embodiment of a fully automatic assembly machine for a micro knob switch is shown.

[0064] In this optional embodiment, the fully automatic assembly machine for micro knob switches includes the above-mentioned feeding mechanism, the number of the feeding mechanisms is 2, namely the first feeding mechanism 3 and the second feeding mechanism 10, the contact sheet is stored in the feeding tray 31 of the first feeding mechanism 3, and the spring sheet is stored in the feeding tray 31 of the second feeding mechanism 10, and also includes a rotor feeding mechanism 2, a rotor disk 1, a hot pressing mechanism 4, a rotor turning mechanism 5, a first oiling mechanism 6, a rotor moving mechanism 7, a shell feeding mechanism 12, a shell disk 11, a shell turning mechanism 14, a second oiling mechanism 13, and a shell The transfer mechanism 15, the bracket feeding mechanism 9, the assembly disk 8, the bending mechanism 16, the pressing and unloading mechanism 17; the first feeding mechanism 3, the rotor feeding mechanism 2, the hot pressing mechanism 4, the rotor turning mechanism 5, the first oiling mechanism 6 and the rotor moving mechanism 7 are arranged in sequence around the rotor disk 1, the shell feeding mechanism 12, the shell turning mechanism 14, the second oiling mechanism 13 and the shell transfer mechanism 15 are arranged in sequence around the shell disk 11, and the second feeding mechanism 10, the bracket feeding mechanism 9, the pressing and unloading mechanism 17 and the bending mechanism 16 are arranged in sequence around the assembly disk 8;

[0065] Optionally, the rotor feeding mechanism 2 is used to transfer the rotor to the tooling 20 of the rotor disk 1, the first feeding mechanism 3 is used to transfer the contact piece to the tooling 20 of the rotor disk 1 to be assembled with the rotor, the hot pressing mechanism 4 is used to rivet the contact piece and the rotor together, the rotor turning mechanism 5 is used to turn the rotor 180° and place it, the first oiling mechanism 6 is used to apply lubricating oil to the rotor, and the rotor moving mechanism 7 is used to transfer the rotor to the assembly plate 8;

[0066] The shell feeding mechanism 12 is used to transfer the shell to the tooling of the shell tray 11, the second oiling mechanism 13 is used to apply lubricating oil to the shell, the shell turning mechanism 14 is used to turn the shell 180° and place it, and the shell transfer mechanism 15 is used to transfer the shell from the tooling of the shell tray 11 to the tooling on the assembly tray 8;

[0067] The bracket loading mechanism 9 is used to transfer the bracket to the tooling on the assembly disk 8, the second loading mechanism 10 is used to assemble the spring piece to the bracket of the tooling on the assembly disk 8, the rotor moving mechanism 7 is used to assemble the rotor to the combined structure of the bracket and the spring piece, the shell transfer mechanism 15 assembles the shell to the combined structure of the bracket, the spring piece, the rotor, and the contact piece, the bending mechanism 16 is used to pre-bend the bracket, and finally the pressing and unloading mechanism 17 is used to press the bracket flat and take the finished product out of the assembly disk 8.

[0068] Figure 2 An alternative embodiment of a rotor disk is shown.

[0069] In this optional embodiment, the rotor disk 1 includes a circular disk 23 , a plurality of tooling 20 disposed on the circular disk 23 , and a rotor disk driving device 19 . The circular disk 23 and the tooling 20 rotate when driven by the rotor disk driving device 19 .

[0070] Optionally, a plurality of vacuum generators 22 are provided at the bottom of the disc 23 to prevent products from falling during the operation of the rotor disc 1 .

[0071] Optionally, the number of the tooling 20 is 8.

[0072] Optionally, the rotor disk driving device 19 is a DD motor.

[0073] Figure 3 An alternative embodiment of the rotor charging mechanism is shown.

[0074] In this optional embodiment, the rotor feeding mechanism includes a circular vibrator 24, a direct vibration feeder 25, a cutting mechanism 26, a CCD detection mechanism 30, a stepper motor 28 and a handling robot 27. The direct vibration feeder 25 is set at the output end of the circular vibrator 24, and the cutting mechanism 26 is set at the output end of the direct vibration feeder 25. The handling robot 27 transfers the rotor to the top of the CCD detection mechanism 30. The CCD detection mechanism 30 identifies the direction of the rotor and feeds back information to the stepper motor 28. The stepper motor 28 adjusts the direction of the rotor.

[0075] Optionally, a suction nozzle 29 is provided on the transport robot 27 , and the suction nozzle 29 sucks the rotor from the cutting mechanism 26 .

[0076] Figure 5 An alternative embodiment of a heat pressing mechanism is shown.

[0077] In this optional embodiment, the hot pressing mechanism 4 includes a heating rod 40, a hot pressing head 41 and a cylinder 38. The heating rod 40 is fixed on the hot pressing head 41, and the cylinder 38 drives the hot pressing head 41 to move up and down to complete the hot melting of the contact piece and the rotor.

[0078] Optionally, the hot pressing mechanism 4 further includes a linear guide rail 39 and a limit screw 42 , and the hot pressing head 41 is guided by the linear guide rail 39 to move up and down, and the downward movement height is adjusted by the limit screw 42 .

[0079] Optionally, the heating rod 40 is connected to a temperature controller 43 , and the temperature is adjusted by the temperature controller 43 .

[0080] Figure 6 An alternative embodiment of the rotor flipping mechanism is shown.

[0081] In this optional embodiment, the rotor flipping mechanism 5 includes an upper and lower cylinder 44, a fixed plate 50, a rotating cylinder 46, a clamping cylinder 47, a clamping claw 48, a linear guide 45, and a visual inspection device 49. The visual inspection device 49 is used to detect whether there is a contact sheet on the rotor and the hot pressing effect of the hot pressing mechanism 4. The upper and lower cylinders 44 are connected to the fixed plate 50, the fixed plate 50 is connected to the linear guide 45, the upper and lower cylinders 44 move guided by the linear guide 45, the rotating cylinder 46 is fixed on the fixed plate 50, the clamping claw cylinder 47 is fixed on the rotating cylinder 46, the clamping claw 48 is fixed on the clamping claw cylinder 47, the clamping claw 48 clamps the rotor from the tooling 20 of the rotor disk 1, the upper and lower cylinders 44 move upward to separate the rotor from the tooling 20, the rotating cylinder 46 moves to rotate the rotor 180°, and the clamping claw 48 opens to place the rotor back on the tooling 20.

[0082] Figure 7 An alternative embodiment of the oiling mechanism is shown.

[0083] In this optional embodiment, the oiling mechanism includes a three-axis platform 51 and an oiling syringe 52. The oiling syringe 52 is fixed on the three-axis platform 51, and is driven by a driving device to achieve oiling at different positions.

[0084] Optionally, the number of the oiling mechanisms is two, namely a first oiling mechanism 6 and a second oiling mechanism 13. The first oiling mechanism 6 is used to apply lubricating oil to the rotor, and the second oiling mechanism 13 is used to apply lubricating oil to the housing.

[0085] Optionally, the driving device is a stepping motor.

[0086] Optionally, the oiling syringe 52 is connected to an oil supply device, and the oil supply device is connected to a controller to accurately control the amount of oiling.

[0087] Figure 8 An alternative embodiment of the rotor shifting mechanism is shown.

[0088] In this optional embodiment, the rotor material moving mechanism 7 includes a servo motor 53, a screw module 54, an upper and lower cylinder 55, a connecting plate 59 and a clamping cylinder 56. The upper and lower cylinders 55 are connected to the connecting plate 59, the clamping cylinder 56 is fixed on the connecting plate 59, and the clamping cylinder 56 is provided with a clamping claw 57. The servo motor 53 and the screw module 54 are combined to realize reciprocating motion, and the upper and lower cylinders 55 drive the clamping claw cylinder 56 and the clamping claw 57 to move up and down through the connecting plate 59.

[0089] Optionally, the rotor material moving mechanism further includes a linear guide rail 58 and a limit screw 60 , and the connecting plate 59 is guided by the linear guide rail 58 and the limit screw 60 to adjust the descending height.

[0090] Fig. 9An alternative embodiment of the bracket loading mechanism is shown.

[0091] In this optional embodiment, the bracket loading mechanism 9 includes a circular vibration 61, a direct vibration feeder 62, a cutting mechanism 63, and a handling robot 65. The direct vibration feeder 62 is arranged at the output end of the circular vibration 61, the cutting mechanism 63 is arranged at the output end of the direct vibration feeder 62, and the handling robot 65 is provided with a suction nozzle 64, and the suction nozzle 64 sucks the bracket from the cutting mechanism 63.

[0092] Fig.10 An alternative embodiment of a housing tray is shown.

[0093] In this optional embodiment, the outer shell disk 11 includes a servo motor 66, a hollow rotating platform 67, a disc 68 and an outer shell tooling 69. The disc 68 is fixed on the hollow rotating platform 67. Driven by the servo motor 66, the disc 68 rotates with the hollow rotating platform 67. The outer shell tooling 69 is fixed on the disc 68, and the outer shell tooling 69 is positioned by a positioning pin.

[0094] Fig.11 An alternative embodiment of the housing relay mechanism is shown.

[0095] In this optional embodiment, the shell transfer mechanism 15 includes a pen-shaped cylinder 70, a connecting plate 72, an upper and lower cylinder 73, an upper and lower cylinder fixed plate 77, a sliding plate A 76, a sliding plate B 75, a linear guide 71, and a suction nozzle 74. The pen-shaped cylinder 70 is connected to the connecting plate 72, and the connecting plate 72 is fixedly connected to the upper and lower cylinder fixed plate 77 and the sliding plate A 76. The sliding plate A 76 is fixed on the linear guide 71, and the sliding plate B 75 is connected to the sliding plate A 76 through the linear guide 71 on the back. The suction nozzle 74 is fixed on the sliding plate B75. The suction nozzle 74 can reciprocate in the direction of the lower linear guide 71 driven by the pen-shaped cylinder 70. The upper and lower cylinders 73 are connected to the sliding plate B75. The suction nozzle 74 can also move up and down under the drive of the upper and lower cylinders 73, so as to transport the shell from the tooling of the shell disk 11 to the tooling of the assembly disk 8.

[0096] Fig.12 An alternative embodiment of the bending mechanism is shown.

[0097] In this optional embodiment, the bending mechanism 16 includes an upper and lower cylinder 78, a sliding base plate 80, a linear guide rail 79, a fixed base plate 86, a bending pressure head 84, and a bending cylinder 83. The upper and lower cylinders 78 are connected to the sliding base plate 80, the sliding base plate 80 is fixed on the linear guide rail 79, the sliding base plate 80 is connected to the fixed base plate 86, and the fixed base plate 86 is provided with a pressure head 81, a guide groove 85, and a bending cylinder 83. The pressure head 81 is provided with a spring 82, and the bending cylinder 83 is connected to the bending pressure head 84. The bending pressure head 84 slides in the guide groove 85 driven by the bending cylinder 83; the upper and lower cylinders 78 move downward, the pressure head 81 compresses the outer shell, and the bending cylinders 83 on both sides drive the bending pressure head 84 to bend the bracket, and the upper and lower cylinders 78 move upward to separate from the product to complete the bending.

[0098] Fig.13 An optional embodiment of the press-fit blanking mechanism is shown.

[0099] In this optional embodiment, the pressing and unloading mechanism 17 includes a first cylinder 87, a sliding plate A 88, a second cylinder 89, a sliding plate B 90, a third cylinder 91, a pressure head 92, a connecting plate 96, a clamp 95, a clamp cylinder 94 and a collecting box 97. A slide groove 93 is provided in the connecting plate 96, and the clamp cylinder 94 is arranged below the connecting plate 96. The first cylinder 87 is connected to the sliding plate A 88 and is used to drive the pressing and feeding mechanism 98 to move left and right; the second cylinder 89 is connected to the sliding plate B 90 and is used to drive the pressing and feeding mechanism 98 to move up and down; the third cylinder 91 is connected to the pressure head 92 and is used to push the pressure head 92 to move in the slide groove 93, thereby pressing the bracket into place; the clamp 95 is fixed on the clamp cylinder 94 and is used to clamp the finished product.

[0100] During operation, the pressing and picking mechanism 98 is driven by the first cylinder 87 to move above the assembly tray 8 tooling, the second cylinder 89 moves downward, and then the clamping cylinder 94 clamps the product, and then the third cylinder 91 drives the pressure head 92 to move downward to press the bracket into place; after the pressing is completed, the third cylinder 91 drives the pressure head 92 to move upward, and at the same time the second cylinder 89 moves upward to remove the finished product from the assembly tray 8 tooling; finally, the first cylinder 87 drives the entire pressing and picking mechanism 98 to retreat to above the collection box 97, the clamping cylinder 94 opens, and the finished product falls into the collection box 97.

[0101] The present invention is not limited to the structures which have been described above and shown in the drawings, and various modifications and changes may be made without departing from the scope thereof. The scope of the present invention is limited only by the appended claims.

Claims

1. A fully automatic assembly machine for miniature knob switches, characterized in that: It includes a feeding mechanism, which includes a material storage device, a material shifting mechanism, a stamping die, a material receiving mechanism and a manipulator mechanism; The material storage device comprises a support rod, a loading tray and a slideway, wherein the loading tray is mounted on the support rod, and the slideway is used to guide the material in the loading tray; a rotating shaft is provided at the upper end of the support rod, and the loading tray is mounted on the rotating shaft; The material-dispensing mechanism is arranged at the output port of the chute to transfer the material on the chute to the inside of the stamping die; the front end of the material-dispensing mechanism is provided with an arc-shaped material guide plate corresponding to the chute; The stamping die includes a stamping drive device, and the stamping die is driven by the stamping drive device to punch the material down and transfer it to the material receiving mechanism; The material receiving mechanism comprises a material receiving tray and a material receiving driving device. Under the drive of the material receiving driving device, the material receiving tray outputs the material to one side of the manipulator mechanism; The manipulator mechanism is used to transfer materials on the receiving tray; The number of the feeding mechanisms is 2, which are the first feeding mechanism and the second feeding mechanism. The contact sheets are stored in the feeding tray of the first feeding mechanism, and the spring sheets are stored in the feeding tray of the second feeding mechanism. The feeding mechanism also includes a rotor feeding mechanism, a rotor disk, a hot pressing mechanism, a rotor turning mechanism, a first oiling mechanism, a rotor moving mechanism, a shell feeding mechanism, a shell disk, a shell turning mechanism, a second oiling mechanism, a shell transfer mechanism, a bracket feeding mechanism, an assembly disk, a bending mechanism, and a pressing and unloading mechanism. The first feeding mechanism, the rotor feeding mechanism, the hot pressing mechanism, the rotor turning mechanism, the first oiling mechanism and the rotor moving mechanism are arranged in sequence around the rotor disk, the shell feeding mechanism, the shell turning mechanism, the second oiling mechanism and the shell transfer mechanism are arranged in sequence around the shell disk, and the second feeding mechanism, the bracket feeding mechanism, the pressing and unloading mechanism and the bending mechanism are arranged in sequence around the assembly disk. The rotor feeding mechanism is used to transfer the rotor to the tooling of the rotor disk, the first feeding mechanism is used to transfer the contact piece to the tooling of the rotor disk to be assembled with the rotor, the hot pressing mechanism is used to rivet the contact piece and the rotor together, the rotor turning mechanism is used to turn the rotor 180° and place it, the first oiling mechanism is used to apply lubricating oil to the rotor, and the rotor moving mechanism is used to transfer the rotor to the assembly disk; The shell feeding mechanism is used to transfer the shell to the tooling of the shell tray, the second oiling mechanism is used to apply lubricating oil to the shell, the shell flipping mechanism is used to flip the shell 180 degrees and place it, and the shell transfer mechanism is used to transfer the shell from the tooling of the shell tray to the tooling on the assembly tray; The bracket feeding mechanism is used to transfer the bracket to the tooling on the assembly disk, the second feeding mechanism is used to assemble the spring piece onto the bracket of the assembly disk tooling, the rotor moving mechanism is used to assemble the rotor onto the combined structure of the bracket and the spring piece, the shell transfer mechanism assembles the shell onto the combined structure of the bracket, the spring piece, the rotor and the contact piece, the bending mechanism pre-bends the bracket, and finally the pressing and unloading mechanism presses the bracket flat and then takes the finished product out of the assembly disk.

2. A fully automatic assembly machine for miniature knob switches as claimed in claim 1, characterized in that: The rotor disk comprises a circular disk, a plurality of tools arranged on the circular disk and a rotor disk driving device. The circular disk and the tools rotate under the driving of the rotor disk driving device.

3. The fully automatic assembly machine for miniature knob switches according to claim 1, characterized in that: The rotor feeding mechanism includes a circular vibration, a direct vibration feeder, a cutting mechanism, a CCD detection mechanism, a stepper motor and a handling robot. The output end of the circular vibration is provided with a direct vibration feeder, the output end of the direct vibration feeder is provided with a cutting mechanism, the handling robot transfers the rotor to the top of the CCD detection mechanism, the CCD detection mechanism identifies the direction of the rotor and feeds back information to the stepper motor, and the stepper motor adjusts the direction of the rotor.

4. The fully automatic assembly machine for miniature knob switches according to claim 1, characterized in that: The rotor flipping mechanism includes upper and lower cylinders, a fixed plate, a rotating cylinder, a clamping cylinder, a clamping claw, a linear guide, and a visual inspection device. The visual inspection device is used to detect whether there is a contact sheet on the rotor and the hot pressing effect of the hot pressing mechanism. The cylinder is connected to the fixed plate, the fixed plate is connected to the linear guide, the upper and lower cylinders move guided by the linear guide, the rotating cylinder is fixed on the fixed plate, the clamping claw is fixed on the rotating cylinder, the clamping claw is fixed on the clamping claw cylinder, the clamping claw clamps the rotor from the tooling of the rotor disk, the cylinder moves upward to separate the rotor from the tooling, the rotating cylinder moves to rotate the rotor 180°, and the clamping claw opens to place the rotor back on the tooling.

5. The fully automatic assembly machine for miniature knob switches according to claim 1, characterized in that: The outer shell disc comprises a servo motor, a hollow rotating platform, a disc and an outer shell tooling. The disc is fixed on the hollow rotating platform. Driven by the servo motor, the disc rotates with the hollow rotating platform. The outer shell tooling is fixed on the disc and is positioned by a positioning pin.

6. The fully automatic assembly machine for miniature knob switches according to claim 1, characterized in that: The bending mechanism includes upper and lower cylinders, a sliding base plate, a linear guide rail, a fixed base plate, a bending pressure head, and a bending cylinder. The upper and lower cylinders are connected to the sliding base plate, the sliding base plate is fixed on the linear guide rail, the sliding base plate is connected to the fixed base plate, and the fixed base plate is provided with a pressure head, a guide groove, and a bending cylinder. The pressure head is provided with a spring, and the bending cylinder is connected to the bending pressure head. The bending pressure head slides in the guide groove driven by the bending cylinder; the upper and lower cylinders move downward, the pressure head compresses the outer shell, and the bending cylinders on both sides drive the bending pressure head to bend the bracket, and the upper and lower cylinders move upward to separate from the product to complete the bending.

7. The fully automatic assembly machine for miniature knob switches according to claim 1, characterized in that: The manipulator mechanism comprises a manipulator and a manipulator driving mechanism. The manipulator is provided with a plurality of suction nozzles, and the suction nozzles are used to pick up materials on the material receiving mechanism.

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