Automatic plug and pin preparation machine

Abstract

The present invention provides an automatic material preparation machine for plug pins, comprising a frame, a material tray for positioning pins, and a tray-taking mechanism. The frame is provided with a pin insertion station and a material tray handling station. The material tray handling station is provided with a double-link handling manipulator, and the double-link handling manipulator has a material tray loading station, a material tray transition station, and a material tray unloading station which are sequentially distributed in a straight line. A material tray transfer mechanism for conveying the material tray back and forth is provided between the material tray transition station and the pin insertion station. The pin insertion station is provided with a pin feeding mechanism and a pin insertion mechanism for inserting the pins on the pin feeding mechanism into the material tray. The pin feeding mechanism comprises a feeding track, and the pin insertion mechanism comprises a support frame. A material blocking assembly and a rotating pressing assembly are provided on the support frame. The material blocking assembly is located on one side of the output end of the feeding track, and the rotating pressing assembly is located above the material blocking assembly. The present invention can realize automatic feeding and positioning of pins, greatly improve production efficiency, reduce production costs, and meet the needs of mass production.

Description

Technical Field

[0001] The invention relates to the technical field of power plug production equipment, and in particular to an automatic plug pin preparation machine. Background Art

[0002] Nowadays, mobile phone chargers, televisions, fans and other electrical appliances all use power plugs. Power plugs generally include plastic and pins. The pins are conductive materials. The existing plug production mainly uses manual operation to place the pins on the material tray for positioning, and then the robot takes the positioned pins on the material tray and puts them into the specified position of the mold, and the injection molding machine injects the plugs. However, manual operation has low production efficiency and consumes labor, resulting in high production costs for enterprises and cannot meet the needs of mass production. Summary of the invention

[0003] In view of the deficiencies in the prior art, the present invention provides an automatic plug pin preparation machine, which can realize automatic feeding and positioning of the pins, greatly improve production efficiency, reduce enterprise production costs, and meet mass production needs.

[0004] To achieve the above purpose, the present invention adopts the following technical solutions:

[0005] A plug pin automatic preparation machine comprises a frame and a material tray for positioning pins, the frame is provided with a pin insertion station and a material tray handling station, the material tray handling station is provided with a double-link handling robot, the double-link handling robot has a material tray loading station, a material tray transition station and a material tray unloading station which are sequentially distributed in a straight line, a material tray transfer mechanism for conveying the material tray back and forth is provided between the material tray transition station and the pin insertion station, the pin insertion station is provided with a pin feeding mechanism and a pin insertion mechanism for inserting the pins on the pin feeding mechanism into the material tray.

[0006] As a preferred solution, the pin feeding mechanism includes a feeding track, and the pin mechanism includes a support frame, on which a material blocking assembly and a rotary pressing assembly are provided, the material blocking assembly is located on one side of the output end of the feeding track, and the input end of the feeding track is connected to a vibration disk, and the rotary pressing assembly is arranged above the material blocking assembly.

[0007] As a preferred solution, the material blocking assembly includes a material blocking seat, a material blocking block arranged on the material blocking seat, and a material blocking driving element for controlling the movement of the material blocking block; the material blocking seat is installed on a supporting frame; a material blocking groove and a slide groove connected with the material blocking groove are arranged on the side of the material blocking seat facing the output end of the feeding track; the material blocking groove runs through the upper and lower surfaces of the material blocking seat; the material blocking block is movably arranged in the slide groove; a material discharge hole for the insertion pin to pass through is arranged on the material blocking block; a positioning assembly is arranged on one side of the material blocking seat; the positioning assembly includes a positioning plate and a positioning driving element for controlling the movement of the positioning plate; a positioning groove is arranged on the positioning plate, and the positioning groove has an opening facing the direction of the material blocking groove.

[0008] As a preferred embodiment, the rotary downward pressure assembly includes a sleeve, a push rod arranged on the sleeve, and a downward pressure driving element for controlling the movement of the push rod. The sleeve is installed on a support frame, the upper end of the push rod is arranged in the sleeve, the push rod extends along the axial direction of the sleeve, and the side wall surface of the sleeve is provided with a guide groove, the guide groove includes a vertical section extending vertically and a spiral section extending downward in a spiral from the lower end of the vertical section, and the push rod is provided with a limit pin adapted to the guide groove, and one end of the limit pin extends into the guide groove.

[0009] As a preferred solution, the material tray includes a supporting substrate, the supporting substrate is provided with at least one receiving groove for positioning the pin, the receiving groove runs through the upper and lower surfaces of the supporting substrate, and a crown spring for clamping the pin is provided in the receiving groove.

[0010] As a preferred solution, the double-link transport robot includes two transport pallets set at a distance from each other, a lifting drive element that controls the up and down movement of the two transport pallets, and a transverse movement component that controls the lateral movement of the lifting drive element. The transverse movement component includes an installation platform, a transverse movement slide movably arranged on the installation platform, and a transverse movement drive element that controls the movement of the transverse movement slide. The lifting drive element is installed on the transverse movement slide.

[0011] As a preferred solution, the tray loading station and the tray unloading station are both provided with positioning pallets, and the transport pallet is provided with a clearance groove for the positioning pallet to pass through.

[0012] As a preferred solution, the material tray transfer mechanism includes a transfer pallet for supporting the material tray, a transverse drive module for controlling the transverse movement of the transfer pallet, and a longitudinal drive module for controlling the longitudinal movement of the transverse drive module. The transfer pallet and the positioning pallet are both provided with a first positioning column, the supporting substrate is provided with a first positioning hole corresponding to the first positioning column, the transport pallet is provided with a second positioning column, and the supporting substrate is provided with a second positioning hole corresponding to the second positioning column.

[0013] As a preferred embodiment, it also includes a disc taking mechanism, which comprises a disc taking base, a disc changing assembly is provided on the disc taking base, and the disc changing assembly comprises a shell sleeve, a push rod arranged in the shell sleeve and a disc changing drive element for controlling the upward and downward movement of the push rod, a movable part is provided between the push rod and the shell sleeve, a through hole is provided on the side wall of the shell sleeve for the movable part to be exposed, a push inclined surface is provided on the side surface of the push rod facing the shell sleeve for pushing the movable part to move, and the push inclined surface extends obliquely from bottom to top toward the axial center of the shell sleeve, a docking hole is provided on the material tray for the shell sleeve to extend into, and a card slot corresponding to the movable part is provided on the inner side wall of the docking hole. When taking the disc, the disc changing drive element controls the push rod to move upward, and the push inclined surface enables a part of the movable part to pass through the through hole and embed into the card slot. When changing the disc, the disc changing drive element controls the push rod to move downward, and the movable part leaves the card slot.

[0014] As a preferred solution, an ejection assembly is provided above the tray retrieval base, and the ejection assembly includes an ejector plate, on which is provided at least one ejector for ejecting the pin on the material tray, the tray retrieval base is provided with a clearance through hole for the ejector to pass through and an ejection drive element for controlling the movement of the ejector plate relative to the tray retrieval base, the tray retrieval base is also provided with a reset mechanism that enables the ejector plate to always have a tendency to move away from the tray retrieval base, and the tray retrieval base is connected to a side posture group.

[0015] Compared with the prior art, the present invention has obvious advantages and beneficial effects. Specifically,

[0016] 1. By setting a pin insertion station and a tray handling station on the frame, a double handling manipulator is set at the tray handling station, and the double handling manipulator has a tray loading station, a tray transition station and a tray unloading station which are distributed in a straight line. A tray transfer mechanism for conveying the tray back and forth is set between the tray transition station and the pin insertion station. The pin insertion station is provided with a pin feeding mechanism and a pin insertion mechanism for inserting the pins on the pin feeding mechanism into the tray, so as to realize the automatic insertion of the pins into the tray, which greatly improves the production efficiency, reduces the production cost of the enterprise, and can meet the mass production needs;

[0017] 2. By setting the material blocking component, positioning component and rotating pressing component, the pin positioning, material discharge, pressing and rotating actions can be realized, the operation is stable and the efficiency is improved;

[0018] 3. By setting two transport pallet lifting drive elements and a transverse drive element, fully loaded trays and empty trays can be cyclically transported between the tray loading station, tray transition station and tray unloading station, realizing automatic tray loading and unloading. The positioning column is set to facilitate the positioning of the tray during the transportation process, improve the matching accuracy of the tray and its components, and thus improve the stability of tray transportation;

[0019] 4. By setting a push rod, a shell control and a disc changing drive cylinder, a movable part is set between the push rod and the shell, a through hole is set on the side wall of the shell for the movable part to be exposed, and a push slope is set on the side surface of the push rod facing the shell, and the push slope extends obliquely from bottom to top toward the axial center of the shell, a docking hole for the shell to extend into is set on the material tray, and a slot is set on the inner wall of the docking hole. When the push rod moves up, the push slope makes a part of the movable part pass through the through hole and embed into the slot to lift the material tray, and the push rod moves down, the movable part leaves the slot and returns to the through hole, so that the shell is separated from the material tray, and the material tray is removed, thereby realizing the rapid replacement of the material tray and improving efficiency.

[0020] In order to more clearly explain the structural features, technical means and specific purposes and functions achieved by the present invention, the present invention is further described in detail below in conjunction with the accompanying drawings and specific embodiments: BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a schematic diagram of the assembly structure of an embodiment of the present invention;

[0022] Figure 2 is a schematic diagram of the assembly structure of an embodiment of the present invention from another viewing angle;

[0023] Figure 3 It is a schematic diagram of the working state of an embodiment of the present invention;

[0024] Figure 4 It is a schematic diagram of the assembly of the pin feeding assembly, the pin assembly and the tray transfer mechanism of the embodiment of the present invention;

[0025] Figure 5 yes Figure 4 A partial enlarged schematic diagram of part A;

[0026] Figure 6 It is a schematic diagram of the assembly of the material blocking component and the positioning component of an embodiment of the present invention;

[0027] Figure 7 It is an exploded schematic diagram of a material blocking assembly and a positioning assembly according to an embodiment of the present invention;

[0028] Figure 8 is an exploded schematic diagram of a rotary pressing assembly according to an embodiment of the present invention;

[0029] Fig. 9 is a schematic diagram of the pin structure of an embodiment of the present invention;

[0030] Fig.10 2 is a schematic diagram of an exploded view of a material tray according to an embodiment of the present invention;

[0031] Fig.11 Schematic diagram of the structure of the disk taking mechanism according to an embodiment of the present invention;

[0032] Fig.12 is an exploded schematic diagram of a disk taking mechanism according to an embodiment of the present invention;

[0033] Fig.13 Schematic diagram of the working state of the disk taking mechanism according to an embodiment of the present invention;

[0034] Fig.14 is a top view of a disk taking mechanism according to an embodiment of the present invention;

[0035] Fig.15 yes Fig.14 Schematic diagram of the cross section at BB;

[0036] Fig.16 yes Fig.15 A partial enlarged schematic diagram of part C in the middle.

[0037] Description of the accompanying drawings:

[0038] 10-machine frame; 11-pin insertion station; 12-material tray handling station;

[0039] 121-tray loading station; 122-tray transition station; 123-tray unloading station;

[0040] 13-vibration plate; 14-feeding track; 141-conveying trough;

[0041] 15-positioning support plate; 151-first positioning column; 20-pin insertion mechanism;

[0042] 21-support frame; 22-material blocking seat; 221-material blocking groove;

[0043] 222-through groove; 223-slide groove; 224-guide groove;

[0044] 23- material stopper; 231- material discharge hole; 232- guide convex strip;

[0045] 24- material stopper driving element; 25- positioning seat; 26- positioning plate;

[0046] 261-positioning groove; 262-limiting block; 27-positioning driving element;

[0047] 28-sleeve; 29-sleeve mounting seat; 30-guide groove;

[0048] 31-vertical section; 32-spiral section; 33-top rod;

[0049] 34-rotating block; 35-limiting pin; 36-pressing driving element;

[0050] 37-slot; 40-material tray; 41-carrying substrate;

[0051] 411-first positioning hole; 412-second positioning hole; 42-accommodating area;

[0052] 43-accommodation groove; 44-crown spring; 45-pressing plate;

[0053] 46-clearance hole; 47-installation slot; 48-butt joint sleeve;

[0054] 481- docking hole; 482- slot; 50- tray transfer mechanism;

[0055] 51- transverse drive module; 52- longitudinal drive module; 60- double-link handling manipulator;

[0056] 61-transporting pallet; 611-giving groove; 612-second positioning column;

[0057] 62-lifting cylinder; 63-transverse sliding seat; 64-transverse driving cylinder;

[0058] 65-installation platform; 66-guide rail; 70-disc removal mechanism;

[0059] 71-disc taking base; 711-retraction opening; 712-connection hole;

[0060] 72-disc-changing driving cylinder; 721-piston rod; 73-shell;

[0061] 731-through hole; 74-push rod; 75-movable member;

[0062] 76-thimble plate; 761-opening; 77-thimble;

[0063] 78- ejector drive cylinder; 781- movable joint; 79- U-shaped cylinder seat;

[0064] 791-mounting groove; 80-baffle; 81-reset spring;

[0065] 82-side posture group; 90-pin insertion; 91-protrusion. DETAILED DESCRIPTION

[0066] In the description of the present invention, it should be noted that the terms "center", "up", "down", "left", "right", "vertical", "horizontal", "inside" and "outside" etc. indicate directions or positional relationships based on the directions or positional relationships shown in the accompanying drawings. They are only for the convenience of describing the invention and simplifying the description, and do not indicate or imply that the positions or elements referred to must have specific directions, be constructed and operated in specific directions. Therefore, they should not be understood as limitations on the present invention.

[0067] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0068] like Figure 1-15 As shown, an automatic material preparation machine for plug pins includes a frame 10, a material tray 40 for positioning pins 90, and a tray-taking mechanism 70. One end of the pin 90 is provided with a protrusion 91. The material tray 40 includes a supporting substrate 41. The supporting substrate 41 is provided with 8 accommodating areas 42. Each accommodating area 42 is provided with 2 accommodating grooves 43 for positioning the pin 90. The accommodating grooves 43 penetrate the upper and lower surfaces of the supporting substrate 41. A crown spring 44 for clamping the pin 90 is provided in the accommodating groove 43. A pressing plate 45 is provided above the crown spring 44. A clearance hole 46 communicating with the accommodating groove 43 is provided on the pressing plate 45. The accommodating area 42 is provided with an installation groove 47 for installing the pressing plate 45. The frame 10 is provided with a pin insertion station 11 and a tray handling station 12, the tray handling station 12 is provided with a double handling robot 60, the double handling robot 60 has a tray loading station 121, a tray transition station 122 and a tray unloading station 123 which are arranged in a straight line, a tray transfer mechanism 50 for conveying the tray 40 back and forth is provided between the tray transition station 122 and the pin insertion station 11, the pin insertion station 11 is provided with a pin 90 feeding mechanism and a pin insertion mechanism 20 for inserting the pin 90 on the pin 90 feeding mechanism into the tray 40, the pin 90 feeding mechanism includes a feeding track 14, and the feeding track 14 has a conveying trough 141 with an opening facing upward.

[0069] The pin insertion mechanism 20 includes a support frame 21, on which a material blocking assembly and a rotary pressing assembly are provided. The material blocking assembly is located at one side of the output end of the feeding track 14, and the input end of the feeding track 14 is connected to a vibration plate 13. The rotary pressing assembly is arranged above the material blocking assembly. The material blocking assembly includes a material blocking seat 22, a material blocking block 23 arranged on the material blocking seat 22, and a material blocking driving element 24 for controlling the movement of the material blocking block 23. The material blocking seat 22 is installed on the support frame 21, and the material blocking driving element 24 is a material blocking driving cylinder. The material blocking block 23 is connected to the movable rod joint of the material blocking driving cylinder. A material blocking groove 221 and a sliding block 221 connected to the material blocking groove 221 are provided on the side of the material blocking seat 22 facing the output end of the feeding track 14. The material stopper 23 is provided with a guide groove 224, and a guide ridge 232 corresponding to the guide groove 224 is provided on the material stopper block 23. A discharge hole 231 for the insertion pin 90 to pass through is provided on the material stopper block 23. A positioning assembly is provided on one side of the material stopper seat 22. The positioning assembly includes a positioning plate 26 and a positioning drive element 27 for controlling the movement of the positioning plate 26. The positioning drive element 27 is a positioning drive cylinder, and the positioning drive cylinder is installed on the support frame 21 through the positioning seat 25. The material stopper seat 22 is provided with a guide groove 224 on the material stopper block 23. The through slot 222 is connected to the through slot 222, and the positioning plate 26 is movably arranged in the through slot 222. A positioning slot 261 is provided on the positioning plate 26, and the positioning slot 261 has an opening facing the blocking slot 221. Both sides of the opening of the positioning slot 261 are provided with guiding inclined surfaces extending obliquely outward. A limit block 262 is also provided on the positioning plate 26, and the limit block 262 is integrally connected with the positioning plate 26, and the limit block 262 is connected to the movable rod joint of the positioning drive cylinder. The rotating downward pressing assembly includes a sleeve 28, a push rod 33 provided on the sleeve 28, and a downward pressing driving element 36 for controlling the movement of the push rod 33. The downward pressing driving element 36 is a downward pressing driving cylinder. The sleeve 28 is installed on the support frame 21 through a sleeve mounting seat 29. The upper end of the push rod 33 is arranged in the sleeve 28, and the push rod 33 extends along the axial direction of the sleeve 28. The side wall of the sleeve 28 is provided with a guide groove 30, and the guide groove 30 includes a vertical section 31 extending vertically and a spiral section 32 spirally extending downward from the lower end of the vertical section 31. A limit pin 35 adapted to the guide groove 30 is provided on the push rod 33. The upper end of the push rod 33 is connected to the movable rod of the downward pressing driving cylinder through a rotating block 34. The limit pin 35 is arranged on the rotating block 34, and one end of the limit pin 35 extends into the guide groove 30. The lower end of the push rod 33 is provided with a notch 37 with an opening facing downward. Both sides of the opening of the notch 37 have guiding inclined surfaces extending obliquely outward. By setting the guiding inclined surfaces, when the push rod 33 moves downward,The protrusion 91 on the pin 90 is introduced into the notch 37, so that the pin 90 is driven to rotate when the push rod 33 rotates.

[0070] The dual transport robot 60 includes two transport pallets 61 set at a distance, a lifting drive element for controlling the up and down movement of the two transport pallets 61, and a transverse movement component for controlling the transverse movement of the lifting drive element. The lifting drive element is a lifting drive cylinder. There are two lifting drive cylinders. The two lifting drive cylinders respectively control the movement of the corresponding transport pallets 61. The transverse movement component includes a mounting platform 65, a transverse movement slide 63 movably arranged on the mounting platform 65, and a transverse movement drive element for controlling the movement of the transverse movement slide 63. The lifting drive element is installed on the transverse movement slide 63. A guide rail 66 is provided on the mounting platform 65. The transverse movement slide 63 is movably connected to the guide rail 66 through a slider. The material tray loading station 121 and the material tray loading station 121 are connected to the material tray loading station 121. The tray unloading station 123 is provided with a positioning pallet 15, the transport pallet 61 is arranged in a U-shape, and a clearance groove 611 is provided on the transport pallet 61 for the positioning pallet 15 to pass through. The tray transfer mechanism 50 includes a transfer pallet (not shown) for supporting the tray 40, a transverse drive module 51 for controlling the transverse movement of the transfer pallet, and a longitudinal drive module 52 for controlling the longitudinal movement of the transverse drive module 51. The transfer pallet and the positioning pallet 15 are both provided with a first positioning column 151, and the supporting substrate 41 is provided with a first positioning hole 411 corresponding to the first positioning column 151. The transport pallet 61 is provided with a second positioning column 612, and the supporting substrate 41 is provided with a second positioning hole 412 corresponding to the second positioning column 612.

[0071] The disk-taking mechanism 70 includes a disk-taking base 71, on which a disk-changing assembly is disposed. The disk-changing assembly includes a shell 73, a push rod 74 disposed in the shell 73, and a disk-changing drive element for controlling the up and down movement of the push rod 74. The disk-changing drive element is a disk-changing drive cylinder 72, a piston rod 721 of the disk-changing drive cylinder 72 is connected to the push rod 74, a movable part 75 is disposed between the push rod 74 and the shell 73, three movable parts 75 are provided, and the three movable parts 75 are distributed in an annular shape. The side wall of the shell 73 is provided with a through hole 731 for exposing the movable part 75, and the side surface of the push rod 74 facing the shell 73 is provided with a push inclined surface 741 for pushing the movable part 75 to move. 1 extends obliquely from bottom to top toward the axial center of the shell sleeve 73, the material tray 40 is provided with a docking sleeve 48, the docking sleeve 48 is installed on the supporting substrate 41, the docking sleeve 48 is provided with a docking hole 481 for the shell sleeve 73 to extend into, the inner side wall of the docking hole 481 is provided with a card slot 482 corresponding to the movable member 75, the card slot 482 is arranged in a V-shape, and the card slot 482 is arranged on the inner side wall of the docking sleeve 48. When taking the disk, the disk-changing driving element controls the push rod 74 to move up, and the push inclined surface 741 allows a part of the movable member 75 to pass through the through hole 731 and be embedded in the card slot 482. When changing the disk, the disk-changing driving element controls the push rod 74 to move down, and the movable member 75 leaves the card slot 482, so that the shell sleeve 73 is separated from the docking sleeve 48. In this embodiment, The movable member 75 is a spherical steel ball, and the through hole 731 is arranged in a circular shape. The diameter of the through hole 731 located on the outer side wall of the shell sleeve 73 is smaller than the diameter of the steel ball, which can prevent the steel ball from falling off the through hole 731. An ejection assembly is arranged above the tray base 71, and the ejection assembly includes an ejector plate 76. The ejector plate 76 is provided with 8 groups of ejectors 77 for ejecting the pins 90 on the material tray 40, and the number of the ejectors 77 in each group is 2. The lower end of the ejector 77 is provided with a notch 37 with an opening facing downward, and both sides of the opening of the notch 37 are provided with guide slopes extending obliquely outward. The tray base 71 is provided with a clearance through hole for the ejector 77 to pass through and an ejector plate 76 for controlling the movement of the ejector plate 76 relative to the tray base 71. The ejection driving element is an ejection driving cylinder. A U-shaped cylinder seat 79 for mounting the ejection driving cylinder is provided between the ejector plate 76 and the disk taking base 71. The U-shaped cylinder seat 79 is provided with a mounting groove 791 with an opening facing upward. The ejection driving cylinder 78 is mounted on the mounting groove 791. The disk taking base 71 is provided with a retreat opening 711 for the U-shaped cylinder seat 79 to extend downward. By arranging the U-shaped cylinder seat 79 between the ejector plate 76 and the disk taking base 71 and arranging the mounting groove 791 on the U-shaped cylinder seat 79, the installation height of the ejection driving cylinder 78 can be reduced, thereby reducing the volume of the disk taking mechanism 70, which is conducive to the movement of the disk taking mechanism 70 in a smaller space, and the disk taking mechanism has high flexibility.The movable joint 781 of the ejection drive cylinder is connected to the disk-taking base 71. The disk-taking base 71 is provided with a connection hole 712 corresponding to the movable joint 781. The ejector plate 76 is provided with a mounting hole. One end of the ejector 77 passes through the mounting hole and the clearance hole in sequence and extends downward. A baffle 80 is provided above the ejector 77. The baffle 80 is fixedly connected to the ejector plate 76. The disk-changing drive element is the disk-changing drive cylinder 72. The disk-taking base 71 is also provided with a reset mechanism that allows the ejector plate 76 to always have a tendency to move away from the disk-taking base 71. The reset mechanism is a reset spring 81. The reset spring 81 is sleeved on the ejector 77 between the disk-taking base 71 and the ejector plate 76. The disk-taking base 71 is connected with a side posture group 82. The middle part of the ejector plate 76 is provided with a clearance opening 761 for the side posture group 82 to pass through.

[0072] It should be noted that the movable member 75 in the present invention may also be a columnar or strip-shaped movable rod.

[0073] The working principle of the present invention is as follows: the vibration plate 13 transports the pin 90 to the feeding track 14, the pin 90 moves along the feeding track 14 to the blocking groove 221, the positioning groove 261 positions the pin 90, and then the positioning plate 26 retracts, the blocking driving cylinder controls the blocking block 23 to retract, and the pin 90 falls along the discharge hole 231 to the accommodating groove 43 on the material tray 40. At the same time, the downward pressure driving cylinder controls the push rod 33 to move downward, and the limit pin 35 moves along the vertical section 31 of the guide groove 30, so that the push rod 33 Inserted into the blocking groove 221, the push rod 33 continues to move downward and pushes the pin 90 to insert into the crown spring 44. When the limit pin 35 rotates along the spiral section 32 of the guide groove 30, the push rod 33 drives the pin 90 to rotate a certain angle, and the tray transfer mechanism 50 drives the tray 40 to move to the tray transition station 122. At this time, the tray 40 is located above the transport pallet 61 of the transition station. The lifting cylinder 62 lifts the transport pallet 61 to drive the tray 40 to move upward, and the transverse drive cylinder 64 controls the movement of the transverse slide 63 , the tray 40 moves to the tray loading station 121, the lifting cylinder 62 retracts, the transport pallet 61 moves down, and the tray 40 stays on the positioning pallet 15, the tray taking mechanism 70 moves to the top of the tray loading station 121, the lower end of the shell 73 extends into the docking hole 481, the tray changing drive element controls the push rod 74 to move up, the push inclined surface 741 allows a part of the steel ball to pass through the through hole 731 and embed into the card slot 482, the side posture group 82 transfers the tray taking mechanism 70 to the injection mold, and the ejector 77 moves the tray 40 The pin 90 on it is ejected to the specified position of the mold, and the side posture group 82 puts the empty tray 40 on the positioning pallet 15 of the tray unloading station 123. The transport pallet 61 of the tray unloading station 123 lifts the empty tray 40 and transports it to the tray transition station 122 through the transverse driving cylinder 64, and then transfers it to the tray transfer mechanism 50 for the next loading. It should be noted that in the present invention, the transverse driving cylinder 64 controls the transverse slide 63 to drive the two transport pallets 61 to move simultaneously.

[0074] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Therefore, any modification, equivalent replacement, improvement, etc. made to the above embodiment based on the technical practice of the present invention still falls within the scope of the technical solution of the present invention.

Claims

1. An automatic plug pin preparation machine, characterized in that: It comprises a frame and a tray for positioning pins, the frame is provided with a pin insertion station and a tray handling station, the tray handling station is provided with a double-link handling manipulator, the double-link handling manipulator has a tray loading station, a tray transition station and a tray unloading station which are sequentially distributed in a straight line, a tray transfer mechanism for conveying the tray back and forth is provided between the tray transition station and the pin insertion station, the pin insertion station is provided with a pin feeding mechanism and a pin insertion mechanism for inserting the pins on the pin feeding mechanism into the tray; The pin feeding mechanism comprises a feeding track, the pin mechanism comprises a support frame, a material blocking assembly and a rotating pressing assembly are arranged on the support frame, the material blocking assembly is located at one side of the output end of the feeding track, and the rotating pressing assembly is arranged above the material blocking assembly; The material blocking assembly includes a material blocking seat, a material blocking block arranged on the material blocking seat, and a material blocking driving element for controlling the movement of the material blocking block. The material blocking seat is installed on a supporting frame. A material blocking groove and a slide groove connected to the material blocking groove are arranged on the side of the material blocking seat facing the output end of the feeding track. The material blocking groove runs through the upper and lower surfaces of the material blocking seat. The material blocking block is movably arranged in the slide groove. A material discharge hole for the insertion pin to pass through is arranged on the material blocking block. The rotary pressing assembly includes a sleeve, a push rod arranged on the sleeve, and a pressing driving element for controlling the movement of the push rod. The sleeve is installed on a support frame, the upper end of the push rod is arranged in the sleeve, the push rod extends along the axial direction of the sleeve, and the side wall surface of the sleeve is provided with a guide groove, the guide groove includes a vertical section extending vertically and a spiral section extending downward from the lower end of the vertical section. A limit pin adapted to the guide groove is provided on the push rod, and one end of the limit pin extends into the guide groove.

2. The plug pin automatic preparation machine according to claim 1, characterized in that: The input end of the feeding track is connected with a vibration plate.

3. The plug pin automatic preparation machine according to claim 2, characterized in that: A positioning assembly is provided on one side of the material blocking seat. The positioning assembly includes a positioning plate and a positioning driving element for controlling the movement of the positioning plate. A positioning groove is provided on the positioning plate. The positioning groove has an opening in the direction of the material blocking groove.

4. The plug pin automatic preparation machine according to claim 1, characterized in that: The material tray includes a supporting substrate, and the supporting substrate is provided with at least one receiving groove for positioning the plug pin, the receiving groove runs through the upper and lower surfaces of the supporting substrate, and a crown spring for clamping the plug pin is provided in the receiving groove.

5. The automatic plug and pin preparation machine according to claim 4, characterized in that: The double-link transport robot includes two transport pallets set at a distance from each other, a lifting drive element that controls the up and down movement of the two transport pallets, and a transverse movement component that controls the lateral movement of the lifting drive element. The transverse movement component includes a mounting platform, a transverse movement slide movably arranged on the mounting platform, and a transverse movement drive element that controls the movement of the transverse movement slide. The lifting drive element is mounted on the transverse movement slide.

6. The automatic plug and pin preparation machine according to claim 5, characterized in that: The tray loading station and the tray unloading station are both provided with positioning support plates, and the transport support plate is provided with a clearance groove for the positioning support plate to pass through.

7. The automatic plug and pin preparation machine according to claim 6, characterized in that: The material tray transfer mechanism includes a transfer pallet for supporting the material tray, a transverse drive module for controlling the transverse movement of the transfer pallet, and a longitudinal drive module for controlling the longitudinal movement of the transverse drive module. The transfer pallet and the positioning pallet are both provided with a first positioning column, the supporting substrate is provided with a first positioning hole corresponding to the first positioning column, the transport pallet is provided with a second positioning column, and the supporting substrate is provided with a second positioning hole corresponding to the second positioning column.

8. The plug pin automatic preparation machine according to claim 1, characterized in that: The cam is provided with a plate-changing component, the plate-changing component comprising a shell, a push rod arranged in the shell and a plate-changing driving element for controlling the upward and downward movement of the push rod, a movable part is arranged between the push rod and the shell, a through hole is arranged on the side wall of the shell for exposing the movable part, a push inclined surface is arranged on the side surface of the push rod facing the shell for pushing the movable part to move, the push inclined surface extends obliquely from bottom to top toward the axial center of the shell, a docking hole is arranged on the material tray for the shell to extend into, and a card slot corresponding to the movable part is arranged on the inner side wall of the docking hole. When taking the disk, the disk-changing driving element controls the push rod to move upward, and the push inclined surface enables a part of the movable part to pass through the through hole and embed into the card slot. When changing the disk, the disk-changing driving element controls the push rod to move downward, and the movable part leaves the card slot.

9. The automatic plug and pin preparation machine according to claim 8, characterized in that: An ejection assembly is provided above the tray taking base, and the ejection assembly includes an ejector plate, on which is provided at least one ejector for ejecting the pin on the material tray, a clearance through hole for the ejector to pass through and an ejection driving element for controlling the movement of the ejector plate relative to the tray taking base are provided on the tray taking base, and a reset mechanism is also provided on the tray taking base for ensuring that the ejector plate always has a tendency to move away from the tray taking base, and the tray taking base is connected to a side posture group.

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