A continuous automatic loading and unloading mechanism for FPC circuit boards

Abstract

The invention discloses a continuous automatic loading and unloading patch mechanism for an FPC circuit board, comprising a loading frame, wherein a lifting mechanism and a central rotating shaft are arranged in the loading frame, a bearing structure for mounting the central rotating shaft is arranged on the lifting mechanism, a plurality of carrier bases are arranged around the outer side of the central rotating shaft, an FPC movable latch assembly is arranged on the FPC support plate, the FPC movable latch assembly can be interference-fitted with a hole position on the FPC circuit board, a cam control mechanism capable of controlling the inward movement of the FPC movable latch assembly at one position is arranged on the bearing structure, an angle adjustment mechanism is arranged between the loading frame and the central rotating shaft, so as to realize rapid loading of the FPC circuit board onto the carrier, move the FPC circuit board to the bottom of the patch device to complete the patch work, and realize rapid separation of the FPC circuit board from the carrier after the patch is completed, so as to realize continuous processing, improve production efficiency, and reduce the input of manpower and material resources.

Description

Technical Field

[0001] The invention relates to an FPC circuit board patch loading and unloading mechanism, and in particular to an FPC circuit board patch loading and unloading mechanism that is continuous and automatic. Background Art

[0002] A circuit board mounting carrier refers to a device or tool used to carry and fix a circuit board during the mounting process. Its main function is to ensure the stability of the circuit board during the mounting process, to prevent it from moving or deforming during the mounting process, thereby affecting the quality and accuracy of the mounting. When mounting existing FPC circuit boards, it is necessary to manually install the FPC circuit board on the corresponding mounting carrier for fixation, and then automatically mount it through the mounting mechanism. After the processing is completed, the FPC circuit board needs to be manually removed from the carrier. The process requires a large amount of manual labor and is inefficient.

[0003] Therefore, the existing PFC circuit board chip loading and unloading mechanism needs to be further improved. Summary of the invention

[0004] The purpose of the present invention is to provide a continuous automatic loading and unloading patch mechanism for FPC circuit boards, which can realize the automatic loading and unloading of FPC circuit boards, realize the automatic loading and installation of FPC circuit boards on a carrier for positioning, improve production efficiency, and reduce labor input.

[0005] In order to achieve the above object, the present invention adopts the following scheme:

[0006] A mechanism for continuously and automatically loading and unloading patches on an FPC circuit board comprises a loading frame, a lifting mechanism and a central rotating shaft are arranged in the loading frame, a bearing structure for mounting the central rotating shaft is arranged on the lifting mechanism, a plurality of carrier bases are arranged around the outer side of the central rotating shaft, an FPC support plate is arranged on the carrier base, an FPC active latch assembly is arranged on the FPC support plate, the FPC active latch assembly can be interference-fitted with a hole on the FPC circuit board, a cam control mechanism capable of controlling the inward movement of the FPC active latch assembly at one position is arranged on the bearing structure, an angle adjustment mechanism is arranged between the loading frame and the central rotating shaft, and an angle fixing structure is arranged between the loading frame and the central rotating shaft;

[0007] When the central rotating shaft moves downward, the angle of the central rotating shaft is adjusted by the angle adjustment mechanism;

[0008] The angle fixing structure fixes the rotation angle of the central rotation axis.

[0009] Furthermore, the lifting mechanism includes a plurality of guide holes arranged on the feeding frame, a lifting rod is movably arranged in the guide holes, an automatic patch device is arranged above the feeding frame, stacked FPC circuit boards are arranged below the feeding frame, and a unloading channel is arranged on one side of the feeding frame.

[0010] Furthermore, the bearing structure includes a sleeve arranged at the lower end of the lifting rod, the central rotating shaft is rotatably inserted into a plurality of the sleeves, and axial limiting structures are arranged on the central rotating shaft on both sides of the sleeve.

[0011] Furthermore, the central rotating shaft further comprises a hexagonal connecting seat arranged in the middle of the central rotating shaft;

[0012] The plurality of carrier bases are evenly distributed around the circumference of the central rotation axis;

[0013] The number of the carrier bases is six, and they are respectively arranged on six faces of the hexagonal connecting seat.

[0014] Furthermore, the FPC movable latch assembly includes a plurality of positioning holes arranged on the FPC support plate, positioning latches are movably arranged in the positioning holes, and a synchronous connecting plate is arranged between the lower ends of the plurality of positioning latches.

[0015] Furthermore, the positioning pin and the hole on the FPC circuit board are interference fit.

[0016] Furthermore, the cam control mechanism includes a control cam arranged on the sleeve, a pressure rod is arranged on the lower surface of the synchronous connecting plate, an elastic structure for keeping the synchronous connecting plate pressed down is arranged between the synchronous connecting plate and the FPC support plate, and the inner end of the pressure rod moves closely against the outer surface of the control cam.

[0017] Furthermore, the control cam includes an outer arc surface and an inner arc surface, the outer arc surface and the inner arc surface are concentrically arranged, the radius of the outer arc surface is larger than the radius of the inner arc surface, and the discharge channel is arranged on a side close to the inner arc surface.

[0018] Further, the angle adjustment mechanism includes a one-way ratchet disposed on one side of the feeding frame, and a driving gear is disposed at one end of the central rotating shaft;

[0019] When the central rotating shaft moves upward under the control of the lifting mechanism, the one-way ratchet cannot control the driving gear to rotate at an angle;

[0020] When the central rotating shaft moves downward under the control of the lifting mechanism, the one-way ratchet controls the driving gear to rotate 60°.

[0021] Furthermore, the angle fixing structure includes a limiting vertical rod arranged on the other side of the feeding frame, and three straight notches are arranged on the other end of the central rotating shaft, and the three straight notches are evenly distributed around the central circumference of the central rotating shaft, penetrate the central rotating shaft, and pass through the center of the central rotating shaft;

[0022] During the descending process of the central rotating shaft, one of the straight slots is clamped on the limiting vertical rod to limit the angular rotation of the central rotating shaft.

[0023] In summary, the present invention has the following beneficial effects compared with the prior art:

[0024] The present invention solves the shortcomings existing in the existing FPC circuit loading and unloading. Through the structural setting of the present invention, it has the following advantages: it can automatically load and unload the FPC circuit board, realize the rapid loading of the FPC circuit board onto the carrier, and move it to the bottom of the patch device to complete the patch work. After the patch is completed, the FPC circuit board can be quickly separated from the carrier, so as to realize continuous processing, improve production efficiency, reduce the investment of manpower and material resources, and has a simple structure and is easy to use. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings required for use in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0026] Figure 1 One of the three-dimensional diagrams of the present invention;

[0027] Figure 2 This is the second stereogram of the present invention;

[0028] Figure 3 for Figure 2 A local enlarged view of point A;

[0029] Figure 4 It is a left side view of the present invention;

[0030] Figure 5 It is one of the internal structure schematic diagrams of the present invention;

[0031] Figure 6 This is the second schematic diagram of the internal structure of the present invention;

[0032] Figure 7 It is a front view of the present invention;

[0033] Figure 8 This is the third schematic diagram of the internal structure of the present invention. DETAILED DESCRIPTION

[0034] 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.

[0035] See also Figures 1 to 8 The present invention provides a continuous automatic loading and unloading mechanism for an FPC circuit board, comprising a loading frame 1, wherein a lifting mechanism 2 and a central rotating shaft 3 are arranged in the loading frame 1, a bearing structure 4 for mounting the central rotating shaft 3 is arranged on the lifting mechanism 2, a plurality of carrier bases 6 are arranged around the outer side of the central rotating shaft 3, an FPC support plate 7 is arranged on the carrier base 6, an FPC movable latch assembly 8 is arranged on the FPC support plate 7, the FPC movable latch assembly 8 can be interference-fitted with a hole on the FPC circuit board, a cam control mechanism 9 capable of controlling the inward movement of the FPC movable latch assembly 8 at one position is arranged on the bearing structure 4, an angle adjustment mechanism 10 is arranged between the loading frame 1 and the central rotating shaft 3, and an angle fixing structure 11 is arranged between the loading frame 1 and the central rotating shaft 3;

[0036] When the central rotating shaft 3 moves downward, the angle of the central rotating shaft 3 is adjusted by the angle adjustment mechanism 10;

[0037] The angle fixing structure 11 fixes the rotation angle of the central rotation axis 3;

[0038] Pre-stack the unmounted FPC circuit boards under the loading frame 1;

[0039] The lifting mechanism 2 is started. The lifting frequency of the lifting mechanism 2 is the time required to complete the patch processing. When the patch processing is completed, the lifting mechanism 2 performs a reciprocating up and down motion through the control module, driving the multiple carrier bases 6 to reciprocate.

[0040] When the plurality of carrier bases 6 are moving up and down, the angle adjustment mechanism 10 can be used to control the rotation of the angle. When the angle adjustment mechanism 10 controls the plurality of carrier bases 6 to rotate the angle, another carrier base 6 is replaced to align with the automatic patch device 100, another carrier base 6 is replaced to align with the discharge channel 200, and another discharge channel 200 is replaced to face the stacked FPC circuit boards.

[0041] When the central rotating shaft 3 performs an angular rotation, it is separated from the angle fixing structure 11, and when the central rotating shaft 3 completes the rotation, it enters the angle fixing structure 11 for angle restriction;

[0042] The carrier base 6 at the bottom descends to the upper surface of the uppermost FPC circuit board, and can be provided with a pressure sensor to sense and feed back information to the lifting mechanism 2 to control the descending distance, ensuring that the carrier base 6 stops moving and returns after descending to the upper surface of the FPC circuit board;

[0043] At this time, the movable latch assembly 8 on the carrier base 6 is inserted into the positioning hole on the FPC circuit board to achieve interference fit, so that the circuit board is fixed in the carrier base 6, and the movable latch assembly 8 can extend or retract on the upper surface of the carrier base 6, and the extended distance cannot be greater than the thickness of the circuit board. At this time, the carrier base 6 drives the FPC circuit board to rotate, and when it rotates to the side of the unloading channel 200, at this time, the corresponding movable latch assembly 8 is controlled to retract through the cam control mechanism 9, and the FPC circuit board is separated from the movable latch assembly 8 and the unloading is completed.

[0044] The lifting mechanism 2 of the present invention includes a plurality of guide holes 201 arranged on the loading frame 1, and a lifting rod 202 is movably arranged in the guide hole 201, an automatic patch device 100 is arranged above the loading frame 1, a stacked FPC circuit board is arranged below the loading frame 1, and a unloading channel 200 is arranged on one side of the loading frame 1.

[0045] The bearing structure 4 of the present invention includes a sleeve 401 arranged at the lower end of the lifting rod 202, the central rotating shaft 3 rotates and penetrates through a plurality of the sleeves 401, and axial limiting structures 402 are arranged on the central rotating shaft 3 on both sides of the sleeves 401.

[0046] The central rotating shaft 3 of the present invention further comprises a hexagonal connecting seat 301 disposed in the middle of the central rotating shaft 3;

[0047] The plurality of carrier bases 6 are evenly distributed around the circumference of the central rotation axis 3;

[0048] There are six carrier bases 6 , which are respectively disposed on six surfaces of the hexagonal connecting seat 301 .

[0049] The FPC movable latch assembly 8 of the present invention comprises a plurality of positioning holes 801 arranged on the FPC support plate 7 , positioning latches 802 are movably arranged in the positioning holes 801 , and a synchronous connection plate 803 is arranged between the lower ends of the plurality of positioning latches 802 .

[0050] The positioning pin 802 of the present invention is interference-fitted with the hole on the FPC circuit board.

[0051] The cam control mechanism 9 of the present invention includes a control cam 901 arranged on the shaft sleeve 401, a push rod 902 is arranged on the lower surface of the synchronous connecting plate 803, and an elastic structure 903 for keeping the synchronous connecting plate 803 pressed down is arranged between the synchronous connecting plate 803 and the FPC support plate 7, and the inner end of the push rod 902 moves closely against the outer surface of the control cam 901.

[0052] The control cam 901 of the present invention comprises an outer arc surface 9011 and an inner arc surface 9022, the outer arc surface 9011 and the inner arc surface 9022 are concentrically arranged, the radius of the outer arc surface 9011 is larger than the radius of the inner arc surface 9022, and the discharge channel 200 is arranged on a side close to the inner arc surface 9022;

[0053] The push rod 902 is extended and retracted under the control of the outer arc surface 9011 and the inner arc surface 9022, and drives the multiple positioning pins 802 to extend and retract. When the positioning pin 802 moves to the range of the inner arc surface 9022, it is in a retracted state; when the positioning pin 802 moves to the range of the outer arc surface 9011, it is in an extended state.

[0054] The angle adjustment mechanism 10 of the present invention comprises a one-way ratchet 101 arranged on one side of the feeding frame 1, and a driving gear 102 is arranged at one end of the central rotating shaft 3;

[0055] When the central rotating shaft 3 moves upward under the control of the lifting mechanism 2, the one-way ratchet 101 cannot control the driving gear 102 to rotate at an angle;

[0056] When the central rotating shaft 3 moves downward under the control of the lifting mechanism 2 , the one-way ratchet 101 controls the driving gear 102 to rotate 60°.

[0057] The angle fixing structure 11 of the present invention comprises a limiting vertical rod 111 arranged on the other side of the feeding frame 1, and three straight notches 112 are arranged on the other end of the central rotating shaft 3. The three straight notches 112 are evenly distributed around the central circumference of the central rotating shaft 3, penetrate the central rotating shaft 3, and pass through the center of the central rotating shaft 3;

[0058] During the descending process of the central rotating shaft 3 , one of the straight slots 112 is caught in the limiting vertical rod 111 to limit the angular rotation of the central rotating shaft 3 .

[0059] The above shows and describes the basic principles and main features of the present invention and the advantages of the present invention. It should be understood by those skilled in the art that the present invention is not limited to the above embodiments. The above embodiments and descriptions are only for explaining the principles of the present invention. Without departing from the spirit and scope of the present invention, the present invention may have various changes and improvements, which fall within the scope of the present invention to be protected. The scope of protection of the present invention is defined by the attached claims and their equivalents.

Claims

1. A continuous automatic loading and unloading mechanism for mounting FPC circuit boards, comprising a loading frame (1), characterized in that: The feeding frame (1) is provided with a lifting mechanism (2) and a central rotating shaft (3); the lifting mechanism (2) is provided with a bearing structure (4) for mounting the central rotating shaft (3); a plurality of carrier bases (6) are provided around the outer side of the central rotating shaft (3); an FPC support plate (7) is provided on the carrier base (6); an FPC movable latch assembly (8) is provided on the FPC support plate (7); the FPC movable latch assembly (8) can be interference-fitted with a hole on an FPC circuit board; a cam control mechanism (9) is provided on the bearing structure (4) for controlling the inward movement of the FPC movable latch assembly (8) at one position; an angle adjustment mechanism (10) is provided between the feeding frame (1) and the central rotating shaft (3); and an angle fixing structure (11) is provided between the feeding frame (1) and the central rotating shaft (3); When the central rotating shaft (3) moves downward, the angle of the central rotating shaft (3) is adjusted by the angle adjustment mechanism (10); The angle fixing structure (11) fixes the rotation angle of the central rotation axis (3); The lifting mechanism (2) comprises a plurality of guide holes (201) arranged on the loading frame (1), a lifting rod (202) being movably arranged in the guide holes (201) up and down, an automatic patch device (100) being arranged above the loading frame (1), a stacked FPC circuit board being arranged below the loading frame (1), and a discharge channel (200) being arranged on one side of the loading frame (1).

2. The FPC circuit board continuous automatic loading and unloading patch mechanism according to claim 1 is characterized by: The bearing structure (4) comprises a shaft sleeve (401) arranged at the lower end of the lifting rod (202), the central rotating shaft (3) rotatably inserted into a plurality of the shaft sleeves (401), and axial limiting structures (402) are arranged on the central rotating shaft (3) on both sides of the shaft sleeves (401).

3. The FPC circuit board continuous automatic loading and unloading patch mechanism according to claim 2 is characterized by: The central rotating shaft (3) further comprises a hexagonal connecting seat (301) arranged in the middle of the central rotating shaft (3); The plurality of carrier bases (6) are evenly distributed around the circumference of the central rotation axis (3); The number of the carrier bases (6) is six, and they are respectively arranged on six faces of the hexagonal connecting seat (301).

4. The FPC circuit board continuous automatic loading and unloading patch mechanism according to claim 3 is characterized by: The FPC movable latch assembly (8) comprises a plurality of positioning holes (801) arranged on the FPC support plate (7), positioning latches (802) being movably arranged in the positioning holes (801), and a synchronous connection plate (803) being arranged between the lower ends of the plurality of positioning latches (802).

5. The FPC circuit board continuous automatic loading and unloading patch mechanism according to claim 4 is characterized by: The positioning pin (802) and the hole on the FPC circuit board are interference fit.

6. The FPC circuit board continuous automatic loading and unloading patch mechanism according to claim 5 is characterized by: The cam control mechanism (9) comprises a control cam (901) arranged on the shaft sleeve (401); a push rod (902) is arranged on the lower surface of the synchronous connecting plate (803); an elastic structure (903) for keeping the synchronous connecting plate (803) pressed downward is arranged between the synchronous connecting plate (803) and the FPC support plate (7); and the inner end of the push rod (902) moves in close contact with the outer surface of the control cam (901).

7. The FPC circuit board continuous automatic loading and unloading patch mechanism according to claim 6 is characterized by: The control cam (901) comprises an outer arc surface (9011) and an inner arc surface (9022); the outer arc surface (9011) and the inner arc surface (9022) are arranged concentrically; the radius of the outer arc surface (9011) is greater than the radius of the inner arc surface (9022); and the discharge channel (200) is arranged on a side close to the inner arc surface (9022).

8. The FPC circuit board continuous automatic loading and unloading patch mechanism according to claim 7 is characterized by: The angle adjustment mechanism (10) comprises a one-way ratchet (101) arranged on one side of the feeding frame (1), and a driving gear (102) is arranged at one end of the central rotating shaft (3); When the central rotating shaft (3) moves upward under the control of the lifting mechanism (2), the one-way ratchet (101) cannot control the driving gear (102) to rotate at an angle; When the central rotating shaft (3) moves downward under the control of the lifting mechanism (2), the one-way ratchet (101) controls the driving gear (102) to rotate by 60°.

9. The FPC circuit board continuous automatic loading and unloading patch mechanism according to claim 8 is characterized by: The angle fixing structure (11) comprises a limiting vertical rod (111) arranged on the other side of the feeding frame (1); the other end of the central rotating shaft (3) is provided with three straight slots (112); the three straight slots (112) are evenly distributed around the central circumference of the central rotating shaft (3), penetrate the central rotating shaft (3), and pass through the center of the central rotating shaft (3); During the descent of the central rotating shaft (3), one of the straight notches (112) is clamped on the limiting vertical rod (111) to limit the angular rotation of the central rotating shaft (3).

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