Device and method for automatically feeding and inserting double PIN needles into PCB

By designing an automated device including a vibrating loading mechanism, a material picking and pressing mechanism and a downcoming mechanism, the problem of low accuracy and poor stability in the assembly process of PCB pressing PIN needles is solved, and the efficient and accurate automatic insertion of PIN needles is achieved, which is suitable for large-scale production.

CN112388281BActive Publication Date: 2025-03-18SUZHOU LINKTRON SYST CO LTD
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Patent Information

Application Number
CN202011353367.3
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2020-11-27
Publication Date
2025-03-18
Estimated Expiration
2040-11-27

AI Technical Summary

Technical Problem

In the PCB press PIN needle assembly process, when inserting PIN needle manually or general manipulators, the accuracy is low, the stability is poor, and the cost is high, making it difficult to meet the needs of mass production.

Method used

A device for automatic loading and inserting of double PIN needles into PCB is designed, including a frame, a vibrating loading mechanism, a material picking and pressing mechanism, a rotating station, a downward mechanism and a material picking and discharge robot. Through the coordinated work of multiple mechanisms, the precise loading and inserting of the PIN needle is achieved.

Benefits of technology

It realizes high-precision, rapid and automatic insertion of PIN needles, reduces production costs, improves work efficiency, and is suitable for large-scale production.

✦ Generated by Eureka AI based on patent content.

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Abstract

The present invention discloses a device for automatically loading and inserting double PIN needles into PCB, comprising a frame, a vibrating loading mechanism, a material picking and pressing mechanism, a rotating station, a pressing mechanism and a material picking and placing manipulator, wherein a table is fixedly installed horizontally on the frame, the vibrating loading mechanism, the material picking and pressing mechanism and the rotating station are arranged on the table, and the material picking and pressing mechanism is arranged between the vibrating loading module and the rotating station, the rotating station is provided with a turntable, and the material picking and pressing mechanism comprises a horizontal material picking mechanism and a vertical PIN pressing station. The present invention realizes automatic insertion of double PIN needles into PCB by arranging a frame, a vibrating loading mechanism, a material picking and pressing mechanism, a rotating station, a pressing mechanism and a material picking and placing manipulator, and the present invention reduces the time of inserting double PIN needles into PCB for one working cycle by simultaneously operating multiple mechanisms and cooperating with each other, thereby improving work efficiency and reducing assembly cost.
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Description

Technical Field

[0001] The invention relates to the technical field of automatic assembly equipment, in particular to a device and a method for automatically feeding and inserting double PIN needles into a PCB. Background Art

[0002] In the PCB PIN pressing assembly process, the PIN is usually inserted into the hole of the PCB manually or by a robot. However, the PCB PIN pressing assembly process requires high positional accuracy of both the PIN and the PCB. The feeding method of manually inserting the PIN into the hole of the PCB is not stable and slow, and it is easy to cause the assembled product to be unqualified or even scrapped due to position deviation. The feeding method of inserting the PIN into the hole of the PCB by a robot with average accuracy is not accurate enough. The cost of using a high-precision robot is too high and is not suitable for mass production. Therefore, a device for automatic feeding and inserting double PINs into PCBs with low production cost, high accuracy and fast action is needed to meet the needs. Summary of the invention

[0003] In order to overcome the defects in the prior art, the embodiments of the present invention provide a device and method for automatically loading and inserting double PIN needles into a PCB to solve the problems raised in the above background technology.

[0004] The invention discloses: a device for automatic feeding and inserting double PIN needles into PCB, comprising a frame, a vibrating feeding mechanism, a material picking and pressing mechanism, a rotating station, a pressing mechanism and a material picking and placing manipulator, wherein a table is fixedly installed horizontally on the frame, the vibrating feeding mechanism, the material picking and pressing mechanism and the rotating station are arranged on the table, and the material picking and pressing mechanism is arranged between the vibrating feeding module and the rotating station, the rotating station is provided with a turntable, a plurality of station trays are arranged at equal central angles on the turntable, the pressing mechanism is arranged above the turntable, the material picking and placing manipulator is arranged on the table near the turntable, the vibrating feeding mechanism comprises a vibrating plate, and the material picking and pressing mechanism comprises a horizontal material picking mechanism and a vertical PIN pressing station.

[0005] Preferably, the vibration feeding mechanism comprises a vibration plate and a double PIN needle blowing mechanism, the vibration plate is fixedly mounted on the table plate, and the double PIN needle blowing mechanism is fixedly mounted at the discharge port of the vibration plate.

[0006] Preferably, the material picking and pressing mechanism includes a horizontal material picking mechanism, a vertical PIN pressing station and a lifting mechanism, the lifting mechanism includes a lifting cylinder, a base plate, a fixed plate, a guide rail slider mechanism and a first mounting seat, the base plate is horizontally fixedly mounted on the table plate, the fixed plate is vertically fixedly mounted on the base plate, the lifting cylinder is vertically fixedly mounted on the bottom of the table plate, and the piston rod end of the lifting cylinder passes through the table plate and the base plate and is fixedly connected to the first mounting seat, the fixed plate is fixedly mounted with a guide rail slider mechanism perpendicular to the upper surface of the base plate, two groups of sliders are movably mounted on the guide rail slider mechanism, and the lower first slider is fixedly connected to the side of the first mounting seat.

[0007] Preferably, the vertical PIN pressing station includes a PIN pressing cylinder, a second mounting seat and a PIN mounting seat, the second mounting seat is fixedly connected to the second slider above the guide rail slider mechanism and is fixedly connected to the first mounting seat, the PIN pressing cylinder is vertically fixedly installed on the first mounting seat, and the piston rod end of the PIN pressing cylinder passes through the second mounting seat and is vertically fixedly connected to the bottom of the PIN mounting seat.

[0008] Preferably, a first photoelectric sensor is also provided on the PIN mounting seat.

[0009] Preferably, the lateral material picking mechanism includes a slide cylinder, a material picking block and a slide cylinder mounting plate, the slide cylinder mounting plate is horizontally arranged above the base plate, and a supporting side plate is fixedly connected to the base plate, the slide cylinder is fixedly mounted on the slide cylinder mounting plate, and the movement direction of the slide cylinder is perpendicular to the fixed plate along the X-axis, the material picking block is fixedly connected to the slide cylinder, and a PIN needle mounting hole is arranged on the slide cylinder, and is contoured to the PIN needle mounting hole on the mounting seat.

[0010] Preferably, a second photoelectric sensor is also provided on the material taking block.

[0011] Preferably, the rotating workstation includes a turntable and a rotary divider, the rotary divider is fixedly mounted on a table, the turntable is fixedly connected to the rotating shaft of the rotary divider, a circular disc is also fixedly connected to the fixed axis at the center of the rotary divider, and the angle of rotation of the rotary divider is equal to the central angle between two adjacent workstation pallets.

[0012] Preferably, the pressing mechanism includes a Z-frame, a side-thrust cylinder, a side-thrust wedge block, a wedge-shaped pressure rod, a pressure block, a spring and a pressure rod mounting seat, the Z-frame is fixedly mounted on the disc and is located above the material picking and pressing mechanism, the pressure rod mounting seat is fixedly connected to the upper end portion of the Z-frame, and an L-shaped through hole is arranged inside the pressure rod mounting seat, the side-thrust cylinder is fixedly mounted on the upper end surface of the Z-frame, the side-thrust wedge block is movably arranged in the horizontal hole of the L-shaped through hole, and the outer end surface is fixedly connected to the piston rod end of the side-thrust cylinder, the wedge-shaped pressure rod is movably mounted in the vertical hole of the L-shaped through hole, and the wedge surface is opposite to the wedge surface of the side-thrust wedge block, a spring parallel to the wedge-shaped pressure rod is also installed in the pressure rod mounting seat, and the upper end portion of the spring is connected to the wedge-shaped end portion of the wedge-shaped pressure rod, and a pressure block is fixedly mounted on the lower end portion of the wedge-shaped pressure rod.

[0013] The present invention also provides a method for automatically feeding and inserting double PIN needles into a PCB, and the specific operation steps are:

[0014] Step 1: The pick-up and place robot puts the PCB on the work station tray of the turntable, and the rotary divider drives the turntable to rotate to the PIN pressing station;

[0015] Step 2: Based on step 1, the vibration plate works, and the two round PIN parts are discharged in the required uniform direction, and the PIN needles are transferred and put into the PIN needle installation holes of the material taking block through the double PIN needle blowing mechanism, and at the same time, the second photoelectric sensor detects that there are PIN needles on the PIN needle installation holes of the material taking block;

[0016] Step 3: Based on steps 1-2, the lifting cylinder pushes the first mounting seat to slide to the bottom on the guide rail slider mechanism, and the slide cylinder pushes the material removal block to move above the PIN mounting seat, and inserts the PIN pin into the PIN pin mounting hole on the PIN mounting seat 323, and then returns to the initial position;

[0017] Step 4: Based on steps 1-3, the first photoelectric sensor detects that there is a PIN pin on the PIN pin installation hole of the PIN installation seat, and the lifting cylinder pushes the first installation seat to slide on the guide rail slider mechanism to the bottom surface of the PIN installation seat close to the station tray;

[0018] Step 5: Based on steps 1-4, the side push cylinder extends to push the side push wedge block to move horizontally close to the wedge pressure rod, and the wedge surface of the side push wedge block contacts the wedge surface of the wedge pressure rod, pushing the wedge pressure rod to move downward until the pressure block contacts the upper surface of the station tray;

[0019] Step 6: Based on steps 1-5, the PIN pressing cylinder pushes the PIN mounting seat upward to press the PIN pin into the hole of the PCB, and then the PIN mounting seat moves downward back to the initial position, the side push cylinder contracts, and the wedge-shaped pressure rod drives the pressure block upward back to the initial position under the rebound action of the spring;

[0020] Step 7: Based on steps 1-6, the rotary divider drives the turntable to rotate to the next station, waiting for the PCB to flow away and enter the next working cycle.

[0021] The beneficial effects of the present invention are as follows: the present invention realizes automatic insertion of double PIN needles into the PCB by arranging a frame, a vibrating feeding mechanism, a material picking and pressing mechanism, a rotating station, a pressing mechanism and a material picking and placing manipulator; the present invention realizes accurate insertion of double PIN needles into the holes of the PCB by arranging two fixed-position PIN needle installation holes on the material picking block, and the station tray accurately positions and clamps the PCB; the present invention realizes accurate insertion of double PIN needles into the holes of the PCB by simultaneously operating multiple mechanisms and cooperating with each other, thereby reducing the time of a working cycle of inserting double PIN needles into the PCB, improving work efficiency and reducing assembly costs.

[0022] In order to make the above and other purposes, features and advantages of the present invention more obvious and easy to understand, preferred embodiments are specifically cited below and described in detail with reference to the accompanying drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0024] Figure 1 It is a schematic diagram of the three-dimensional structure of the present invention;

[0025] Figure 2 It is a three-dimensional structural schematic diagram of the material taking and pressing mechanism of the present invention;

[0026] Figure 3 It is a schematic diagram of the three-dimensional structure of the rotary station of the present invention;

[0027] Figure 4 It is a front sectional view of the pressing mechanism of the present invention.

[0028] The reference numerals of the above drawings are: table 10, vibrating feeding mechanism 20, vibrating plate 21, double PIN needle blowing mechanism 22, material picking and pressing mechanism 30, horizontal material picking mechanism 31, vertical PIN pressing station 32, lifting mechanism 33, rotating station 40, turntable 41, rotary divider 42, disc 43, pressing mechanism 50, Z-shaped frame 51, side push cylinder 52, side push wedge block 53, wedge pressure rod 54, pressure block 55, spring 56, Pressure rod mounting seat 57, slide cylinder 311, material removal block 312, slide cylinder mounting plate 313, supporting side plate 314, second photoelectric sensor 315, pressure PIN cylinder 321, second mounting seat 322, PIN mounting seat 323, first photoelectric sensor 324, lifting cylinder 331, bottom plate 332, fixing plate 333, guide rail slider mechanism 334, first mounting seat 335, work station tray 411, L-shaped through hole 571. DETAILED DESCRIPTION

[0029] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0030] Reference Figure 1-4 , a device for automatic feeding and inserting PCB with double PIN needles, comprising a frame, a vibrating feeding mechanism 20, a material picking and pressing mechanism 30, a rotating station 40, a pressing mechanism 50 and a material picking and placing robot (no reference number is drawn in the figure), a table 10 is fixedly installed horizontally on the frame, the vibrating feeding mechanism 20, the material picking and pressing mechanism 30, and the rotating station 40 are arranged on the table 10, and the material picking and pressing mechanism 30 is arranged between the vibrating feeding module 20 and the rotating station 40, the rotating station 40 is provided with a turntable 41, and eight station trays 411 are arranged at equal central angles on the turntable 41 for clamping PCB, the pressing mechanism 50 is arranged above the turntable 41, and the material picking and placing robot is arranged on the turntable 41. The near turntable 41 is arranged on the table 10, and is used to clamp the PCB from the discharge position of the loader and place it on the turntable 41 loading station. The vibrating feeding mechanism 20 includes a vibrating disk 21, and the vibrating disk 21 realizes the discharge of two round PIN parts in a required unified direction, replacing manual loading. The material picking and pressing mechanism 30 includes a horizontal material picking mechanism 31 and a vertical PIN pressing station 32. The PIN hole of the horizontal material picking mechanism 31 is inserted into the PIN needle, the horizontal material picking mechanism 31 is retracted, and the vertical PIN pressing station 32 rises to press the PIN needle into the PCB on the station tray 411. At the same time, the pressing mechanism 50 descends to press the PCB on the turntable 41 to withstand the upward pressure when the PIN pressing station is working.

[0031] Furthermore, the vibration feeding mechanism 20 includes a vibration plate 21 and a double PIN needle blowing mechanism 22. The vibration plate 21 is fixedly mounted on the table 10. The double PIN needle blowing mechanism 22 is fixedly mounted at the discharge port of the vibration plate 21. The vibration plate 21 enables two round PIN parts to be discharged in a uniform direction as required, replacing manual loading. The double PIN needle blowing mechanism 22 blows the double PIN needles to the PIN installation hole position of the horizontal feeding mechanism 31.

[0032] Furthermore, the material picking and pressing mechanism 30 includes a horizontal material picking mechanism 31, a vertical PIN pressing station 32 and a lifting mechanism 33, the lifting mechanism 33 includes a lifting cylinder 331, a base plate 332, a fixed plate 333, a guide rail slider mechanism 334 and a first mounting seat 335, the base plate 332 is horizontally fixedly installed on the table plate 10, the fixed plate 333 is vertically fixedly installed on the base plate 332, the lifting cylinder 331 is vertically fixedly installed on the bottom of the table plate 10, and the piston rod end of the lifting cylinder 331 passes through the table plate 10 and the base plate 332 and is fixedly connected to the first mounting seat 335, the fixed plate 333 is fixedly installed with a guide rail slider mechanism 334 perpendicular to the upper plate surface of the base plate 332, two groups of sliders are movably installed on the guide rail slider mechanism 334, the lower first slider is fixedly connected to the side of the first mounting seat 335, and the lifting cylinder 331 pushes the first mounting seat 335 to slide on the guide rail slider mechanism 334.

[0033] Furthermore, the vertical PIN pressing station 32 includes a PIN pressing cylinder 321, a second mounting seat 322 and a PIN mounting seat 323. The second mounting seat 322 is fixedly connected to the second slider above the guide rail slider mechanism 334 and is fixedly connected to the first mounting seat 335. The PIN pressing cylinder 321 is vertically fixedly installed on the first mounting seat 335, and the piston rod end of the PIN pressing cylinder 321 passes through the second mounting seat 322 and is vertically fixedly connected to the bottom of the PIN mounting seat 323. The PIN pressing cylinder 321 pushes the PIN mounting seat 323 to move up and down along the Z axis, pushing the PIN pin on the PIN mounting seat 323 to be pressed onto the PCB.

[0034] Furthermore, a first photoelectric sensor 324 is also provided on the PIN mounting seat 323 for detecting whether there is a PIN pin on the PIN pin mounting hole of the PIN mounting seat 323 .

[0035] Furthermore, the lateral material taking mechanism 31 includes a slide cylinder 311, a material taking block 312 and a slide cylinder mounting plate 313. The slide cylinder mounting plate 313 is horizontally arranged above the bottom plate 332, and a supporting side plate 314 is fixedly connected to the bottom plate 332. The slide cylinder 311 is fixedly installed on the slide cylinder mounting plate 313, and the movement direction of the slide cylinder 311 is perpendicular to the fixed plate 333 along the X-axis. The material taking block 312 is fixedly connected to the slide cylinder 311. A PIN needle mounting hole is set on the slide cylinder 311, and it is connected to the mounting seat 332. 23, the discharge port of the double PIN needle blowing mechanism 22 and the feeding port of the material taking block 312 are connected with two hoses, and the double PIN needle blowing mechanism 22 blows two PIN needles into the two PIN needle holes of the feeding port of the material taking block 312 through the two hoses respectively. After the PIN needles on the vibrating feeding mechanism 20 are sent into the mounting holes of the material taking block 312, the slide cylinder 311 pushes the material taking block 312 to move above the PIN mounting seat 323, and puts the PIN needles into the PIN needle mounting holes on the PIN mounting seat 323, and then returns to the initial position.

[0036] Furthermore, a second photoelectric sensor 315 is provided on the material taking block 312 for detecting whether there is a PIN pin on the PIN pin installation hole of the material taking block 312 .

[0037] Furthermore, the rotating workstation 40 includes a turntable 41 and a rotary divider 42, the rotary divider 42 is fixedly mounted on the table 10, the turntable 41 is fixedly connected to the rotating shaft of the rotary divider 42, a disc 43 is also fixedly connected to the fixed axis at the center of the rotary divider 42, and a plurality of workstation trays 411 are arranged at equal central angles on the turntable 41 for positioning and installing the PCB. In this embodiment, eight workstation trays 411 are preferably arranged, and the angle of rotation of the rotary divider 42 at one time is equal to the central angle between two adjacent workstation trays 411.

[0038] Furthermore, the pressing mechanism 50 includes a Z-shaped frame 51, a side-thrust cylinder 52, a side-thrust wedge block 53, a wedge-shaped pressure rod 54, a pressure block 55, a spring 56 and a pressure rod mounting seat 57. The Z-shaped frame 51 is fixedly mounted on the disc 43 and is located above the material picking and pressing mechanism 30. The pressure rod mounting seat 57 is fixedly connected to the upper end portion of the Z-shaped frame 51, and an L-shaped through hole 571 is provided inside the pressure rod mounting seat 57. The side-thrust cylinder 52 is fixedly mounted on the upper end surface of the Z-shaped frame 51. The side-thrust wedge block 53 is movably arranged in the horizontal hole of the L-shaped through hole 571, and the outer end surface is fixedly connected to the piston rod end of the side-thrust cylinder 52. The wedge-shaped pressure rod 54 is movably mounted on the vertical hole of the L-shaped through hole 571. The wedge-shaped surface of the side-pushing wedge block 53 is in the hole, and the wedge-shaped surface is opposite to the wedge-shaped surface of the side-pushing wedge block 53. The side-pushing cylinder 52 extends and pushes the side-pushing wedge block 53 to move horizontally close to the wedge-shaped pressure rod 54. The wedge-shaped surface of the side-pushing wedge block 53 contacts the wedge-shaped surface of the wedge-shaped pressure rod 54, pushing the wedge-shaped pressure rod 54 to move downward. A spring 56 parallel to the wedge-shaped pressure rod 54 is also installed in the pressure rod mounting seat 57, and the upper end of the spring 56 is connected to the wedge-shaped end of the wedge-shaped pressure rod 54. The spring 56 gives the wedge-shaped pressure rod 54 an upward thrust. When the side-pushing wedge block 53 does not push the wedge-shaped pressure rod 54, the spring 56 lifts the wedge-shaped pressure rod 54 to the uppermost end. A pressure block 55 is fixedly installed at the lower end of the wedge-shaped pressure rod 54 for pressing against the station tray 411 of the turntable 41.

[0039] The present invention also provides a method for automatically feeding and inserting double PIN needles into a PCB, and the specific operation steps are:

[0040] Step 1: The material placing robot places the PCB on the station tray 411 of the turntable 41, and the rotary divider 42 drives the turntable 41 to rotate to the PIN pressing station;

[0041] Step 2: Based on step 1, the vibration plate 21 works, the two round PIN parts are discharged in the required uniform direction, and the PIN needles are transferred and put into the PIN needle installation holes of the material taking block 312 through the double PIN needle blowing mechanism 22. At the same time, the second photoelectric sensor 315 detects that there are PIN needles on the PIN needle installation holes of the material taking block 312;

[0042] Step 3: Based on step 1-2, the lifting cylinder 331 pushes the first mounting seat 335 to slide to the bottom on the guide rail slider mechanism 334, and the slide cylinder 311 pushes the material removal block 312 to move above the PIN mounting seat 323, and puts the PIN pin into the PIN pin mounting hole on the PIN mounting seat 323, and then returns to the initial position;

[0043] Step 4: Based on steps 1-3, the first photoelectric sensor 324 detects that there is a PIN on the PIN mounting hole of the PIN mounting seat 323, and the lifting cylinder 331 pushes the first mounting seat 335 to slide on the guide rail slider mechanism 334 to the bottom surface of the PIN mounting seat 323 close to the station tray 411;

[0044] Step 5: Based on steps 1-4, the side push cylinder 52 extends to push the side push wedge block 53 to move horizontally close to the wedge pressure rod 54, and the wedge surface of the side push wedge block 53 contacts the wedge surface of the wedge pressure rod 54, pushing the wedge pressure rod 54 to move downward until the pressure block 55 contacts the upper surface of the station tray 411;

[0045] Step 6: Based on steps 1-5, the PIN pressing cylinder 321 pushes the PIN mounting seat 323 upward to press the PIN into the hole of the PCB, and then the PIN mounting seat 323 moves downward to return to the initial position, the side push cylinder 52 contracts, and the wedge-shaped pressing rod 54 drives the pressing block 55 upward to return to the initial position under the rebound action of the spring 56;

[0046] Step 7: Based on steps 1-6, the rotary divider 42 drives the turntable 41 to rotate to the next station, waiting for the PCB to flow away and enter the next working cycle.

[0047] The present invention uses specific embodiments to illustrate the principles and implementation methods of the present invention. The description of the above embodiments is only used to help understand the method of the present invention and its core idea. At the same time, for those skilled in the art, according to the idea of ​​the present invention, there will be changes in the specific implementation methods and application scope. In summary, the content of this specification should not be understood as a limitation on the present invention.

Claims

1. A device for automatically feeding and inserting double PIN needles into PCB, including a frame, a vibrating feeding mechanism, a material picking and pressing mechanism, a rotating station, a pressing mechanism and a material picking and placing manipulator, characterized in that: A table is fixedly installed horizontally on the frame, the vibrating feeding mechanism, the material picking and pressing mechanism, and the rotating station are arranged on the table, and the material picking and pressing mechanism is arranged between the vibrating feeding module and the rotating station, the rotating station is provided with a turntable, and a plurality of station trays are arranged at equal central angles on the turntable, the pressing mechanism is arranged above the turntable, and the material picking and placing robot is arranged on the table near the turntable, the vibrating feeding mechanism includes a vibrating plate, the material picking and pressing mechanism includes a horizontal material picking mechanism and a vertical PIN pressing station, the vibrating feeding mechanism includes a vibrating plate and a double PIN needle blowing mechanism, the vibrating plate is fixedly installed on the table, the double PIN needle blowing mechanism is fixedly installed on the discharge port of the vibrating plate, and the material picking and pressing mechanism includes a vibrating plate and a double PIN needle blowing mechanism. The invention comprises a horizontal material taking mechanism, a vertical PIN pressing station and a lifting mechanism, wherein the lifting mechanism comprises a lifting cylinder, a base plate, a fixed plate, a guide rail slider mechanism and a first mounting seat, wherein the base plate is horizontally fixedly mounted on the table plate, the fixed plate is vertically fixedly mounted on the base plate, the lifting cylinder is vertically fixedly mounted on the bottom of the table plate, and the piston rod end of the lifting cylinder passes through the table plate and the base plate and is fixedly connected to the first mounting seat, the fixed plate is fixedly mounted with a guide rail slider mechanism vertically connected to the upper surface of the base plate, two groups of sliders are movably mounted on the guide rail slider mechanism, the first slider below is fixedly connected to the side of the first mounting seat, the vertical PIN pressing station comprises a PIN pressing cylinder, a second mounting seat and a PIN mounting seat, the second mounting seat is connected to the guide rail slider mechanism The second slider above the rail slider mechanism is fixedly connected and fixedly connected to the first mounting seat. The PIN pressing cylinder is vertically fixedly installed on the first mounting seat, and the piston rod end of the PIN pressing cylinder passes through the second mounting seat and is vertically fixedly connected to the bottom of the PIN mounting seat. The PIN mounting seat is also provided with a first photoelectric sensor. The horizontal material picking mechanism includes a slide cylinder, a picking block and a slide cylinder mounting plate. The slide cylinder mounting plate is horizontally arranged above the bottom plate, and a supporting side plate is fixedly connected to the bottom plate. The slide cylinder is fixedly installed on the slide cylinder mounting plate, and the movement direction of the slide cylinder is perpendicular to the fixed plate along the X-axis. The picking block is fixedly connected to the slide cylinder, and a PIN needle mounting hole is provided on the slide cylinder. The position is aligned with the PIN needle mounting hole position on the mounting seat, and a second photoelectric sensor is also arranged on the material picking block, the rotating station includes a turntable and a rotary divider, the rotary divider is fixedly mounted on the table, the turntable is fixedly connected to the rotating shaft of the rotary divider, a circular disc is also fixedly connected to the fixed axis at the center of the rotary divider, and the angle of rotation of the rotary divider is equal to the central angle between two adjacent station trays, the pressing mechanism includes a Z-frame, a side-thrust cylinder, a side-thrust wedge block, a wedge-shaped pressure rod, a pressure block, a spring and a pressure rod mounting seat, the Z-frame is fixedly mounted on the circular disc, and is located above the material picking and pressing mechanism, the pressure rod mounting seat is fixedly connected to the upper end of the Z-frame, and an L-shaped through hole is arranged inside the pressure rod mounting seat,The side thrust cylinder is fixedly mounted on the upper end surface of the Z-shaped frame, the side thrust wedge block is movably arranged in the horizontal hole of the L-shaped through hole, and the outer end surface is fixedly connected to the piston rod end of the side thrust cylinder, the wedge pressure rod is movably mounted in the vertical hole of the L-shaped through hole, and the wedge surface is opposite to the wedge surface of the side thrust wedge block, a spring parallel to the wedge pressure rod is also installed in the pressure rod mounting seat, and the upper end of the spring is connected to the wedge end of the wedge pressure rod, and a pressure block is fixedly mounted on the lower end of the wedge pressure rod.

2. The device for automatically feeding and inserting double PIN needles into PCB according to claim 1, characterized in that: The present invention also provides a method for automatically feeding and inserting double PIN needles into a PCB, and the specific operation steps are: Step 1: The pick-up and place robot puts the PCB on the work station tray of the turntable, and the rotary divider drives the turntable to rotate to the PIN pressing station; Step 2: Based on step 1, the vibration plate works, and the two round PIN parts are discharged in the required uniform direction, and the PIN needles are transferred and put into the PIN needle installation holes of the material taking block through the double PIN needle blowing mechanism, and at the same time, the second photoelectric sensor detects that there are PIN needles on the PIN needle installation holes of the material taking block; Step 3: Based on steps 1-2, the lifting cylinder pushes the first mounting seat to slide to the bottom on the guide rail slider mechanism, and the slide cylinder pushes the material removal block to move above the PIN mounting seat, and inserts the PIN pin into the PIN pin mounting hole on the PIN mounting seat, and then returns to the initial position; Step 4: Based on steps 1-3, the first photoelectric sensor detects that there is a PIN pin on the PIN pin installation hole of the PIN installation seat, and the lifting cylinder pushes the first installation seat to slide on the guide rail slider mechanism to the bottom surface of the PIN installation seat close to the station tray; Step 5: Based on steps 1-4, the side push cylinder extends to push the side push wedge block to move horizontally close to the wedge pressure rod, and the wedge surface of the side push wedge block contacts the wedge surface of the wedge pressure rod, pushing the wedge pressure rod to move downward until the pressure block contacts the upper surface of the station tray; Step 6: Based on steps 1-5, the PIN pressing cylinder pushes the PIN mounting seat upward to press the PIN pin into the hole of the PCB, and then the PIN mounting seat moves downward back to the initial position, the side push cylinder contracts, and the wedge-shaped pressure rod drives the pressure block upward back to the initial position under the rebound action of the spring; Step 7: Based on steps 1-6, the rotary divider drives the turntable to rotate to the next station, waiting for the PCB to flow away and enter the next working cycle.

Citation Information

Patent Citations

  • Device for automatically feeding double PINs and inserting double PINs into PCB

    CN213888958U