A nail feeding device

Abstract

The present invention discloses a nail feeding device, which greatly improves the continuous stability of screw feeding and ensures the feeding efficiency of screws; a large hopper baffle plate is arranged on the inner side of a large hopper, one side of the large hopper baffle plate is fixedly arranged on the inner side wall of the large hopper, and the large hopper baffle plate is arranged around the discharge port of the large hopper, a discharge mechanism is arranged at the discharge port of the large hopper, a small hopper is arranged below the discharge mechanism, and the small hopper is fixedly arranged on the upper side of a base through a two-stage lifting device, the lower end of the two-stage lifting device is fixed on the base, the lifting part located at the upper end of the two-stage lifting device penetrates the small hopper and then extends above the small hopper, the lifting part of the two-stage lifting device is connected with the screening vibration feeding mechanism, the feeding port of the screening vibration feeding mechanism is aligned with the discharging end of the lifting part of the two-stage lifting device, and the discharging port of the screening vibration feeding mechanism is aligned with the feeding port of the cutting mechanism; the present invention can be widely used in the field of automatic screw driving equipment.

Description

Technical Field

[0001] The invention relates to a nail feeding device, belonging to the technical field of automatic screw driving equipment. Background Art

[0002] Automatic screw driving equipment is mainly composed of a feeding system and a locking system. The feeding part, also known as a screw arranging machine or a screw feeding machine, is a relatively simple small-scale automated equipment that arranges screws in a row to improve work efficiency. It is widely used in the electronics industry.

[0003] At present, a vibrating feeding mechanism, such as a vibrating hopper, is generally used to supply screws. The vibrating feeding mechanism is large in size and is prone to material jamming during the feeding process, which affects the continuous feeding and damages the coating of the screws. How to improve the continuous stability of screw feeding and effectively protect the coating is a technical problem that technical personnel in this field need to solve. Summary of the invention

[0004] The present invention overcomes the shortcomings of the prior art and provides a nail feeding device, which greatly improves the continuous stability of screw feeding, ensures the screw feeding efficiency, and effectively protects the coating.

[0005] In order to solve the above technical problems, the technical solution adopted by the present invention is: a nail feeding device, comprising a base, a large hopper support seat and a large hopper, the large hopper is fixed on the base through the large hopper support seat, the large hopper support seat is a plate-shaped structure, a plurality of large hopper support seats are arranged around the large hopper, the upper end of the large hopper support seat is fixedly connected to the outer side of the large hopper, and the lower end of the large hopper support seat is fixedly arranged on the upper side of the base;

[0006] A large hopper baffle plate is arranged on the inner side of the large hopper, one side of which is fixedly arranged on the inner side wall of the large hopper, and the large hopper baffle plate is arranged around the discharge opening of the large hopper and maintains a certain gap with the discharge opening of the large hopper;

[0007] A discharge mechanism is provided at the discharge port of the large hopper, and the discharge mechanism is used to open and close the discharge port of the large hopper;

[0008] A small hopper is arranged below the discharge mechanism, and the small hopper is fixedly arranged on the upper side of the base through a two-stage lifting device, the lower end of the two-stage lifting device is fixed on the base, and the lifting part located at the upper end of the two-stage lifting device penetrates the small hopper and extends above the small hopper, the lifting part of the two-stage lifting device is connected with the screening vibration feeding mechanism, the feeding port of the screening vibration feeding mechanism is aligned with the discharging end of the lifting part of the two-stage lifting device, and the discharging port of the screening vibration feeding mechanism is aligned with the feeding port of the cutting mechanism.

[0009] Further, the structure of the discharge mechanism is as follows: it includes a discharge cylinder, a discharge plate, a support rib, a discharge support and a discharge port, the upper end of the discharge support is fixedly arranged on the outer side of the bottom of the large hopper, the lower end of the discharge support is fixedly arranged on the upper side of the base, the support rib is horizontally arranged below the discharge port of the large hopper, one end of the support rib is fixedly arranged on the discharge support, the other end of the support rib is fixedly arranged with a discharge cylinder, the cylinder body of the discharge cylinder is fixed on the support rib, and the discharge plate is fixedly arranged on the piston rod of the discharge cylinder;

[0010] The upper end of the discharge port is movably arranged on the supporting rib plate, and the position of the discharge port is adjusted so that it can be aligned with the discharge port of the large hopper, and the upper end of the discharge port is in close contact with the discharge port of the large hopper, and the lower end of the discharge port is located below the supporting rib plate. The discharge port is provided with a socket for the discharge plate to cross, and the discharge plate can match and pass through the discharge port to block or open the discharge port of the large hopper under the drive of the discharge cylinder.

[0011] Furthermore, the structure of the two-stage lifting device is as follows: it includes a lifting cylinder, a first lifting device bottom plate, a first lifting cutting plate, a second lifting device bottom plate, a second lifting cutting plate, a lifting device support and a cutting connecting plate, the lower end of the lifting device support is fixedly arranged on the upper side of the base, the first lifting device bottom plate and the second lifting device bottom plate are vertically spaced and fixedly arranged on the lifting device support, the first lifting cutting plate is movably matched and arranged between the first lifting device bottom plate and the second lifting device bottom plate, the second lifting cutting plate is movably arranged on the outer side of the second lifting device bottom plate, a lifting cylinder is fixedly arranged on the outer side of the first lifting device bottom plate, the lower ends of the first lifting cutting plate and the second lifting cutting plate are both fixedly arranged on the cutting connecting plate, one end of the cutting connecting plate is on the piston rod of the lifting cylinder, and the first lifting cutting plate and the second lifting cutting plate are driven to reciprocate up and down by the lifting cylinder.

[0012] Furthermore, the first lifting device bottom plate, the first lifting and cutting plate, the second lifting device bottom plate and the upper ends of the second lifting and cutting plate are all provided with inclined surfaces in the same direction, and the inclined surfaces are inclined downward toward the screening vibration feeding mechanism.

[0013] Furthermore, the structure of the screening vibration feeding mechanism is as follows: it includes a vibrating machine, a vibration feeding mechanism base shockproof column, a vibration feeding mechanism base, a vibration feeding mechanism fixed plate, a profiling material channel, an air blowing fixed block, a material dividing and connecting nail plate pad, a material dividing and connecting nail plate, a screw height limiting plate pad, a screw height limiting plate support, a screw height limiting plate, a screw presence sensor bracket and a screw presence sensor, the vibration feeding mechanism base is fixedly arranged on the upper side of the base through the vibration feeding mechanism base shockproof column, the vibration machine is fixedly arranged on the upper side of the vibration feeding mechanism base, a vibration feeding mechanism fixed plate is fixedly arranged on the upper side of the vibration machine, a profiling material channel is fixedly arranged on one end of the upper side of the vibration feeding mechanism fixed plate, the profiling material channel is aligned with the discharging end of the lifting part of the two-stage lifting device, a discharging groove is arranged on the vibration feeding mechanism fixed plate on one side of the discharging port of the profiling material channel, and the discharging groove The groove is arranged in the same direction as the profiling material channel, and the vibration feeding mechanism fixing plates on both sides of the discharging groove are provided with dividing nail plate pads, and the dividing nail plate pads are provided on the dividing nail plate pads. A screw height limiting plate pad is also provided on the upper side of the vibration feeding mechanism fixing plate, and a screw height limiting plate support is provided on the screw height limiting plate pad, and the screw height limiting plate support is horizontally arranged above the dividing nail plate, and a screw height limiting plate is provided at the end of the screw height limiting plate support, and the screw height limiting plate is located directly above the discharging groove, and the screw height limiting plate is arranged along the direction of the discharging groove, the screw presence sensor is fixedly arranged on the vibration feeding mechanism fixing plate through a screw presence sensor bracket, and the detection end of the screw presence sensor extends into the space between the dividing nail plates above the discharging groove, and an air blowing fixing block is arranged between the dividing nail plate and the profiling material channel.

[0014] Furthermore, the cutting mechanism is fixedly arranged on the screening vibration feeding mechanism, and the structure of the cutting mechanism is: it includes a cutting cylinder, a cutting cylinder fixing seat, a cutting slider pressure plate, a lower nail guide plate, a lower nail opening and a connecting bottom plate, the connecting bottom plate is fixedly arranged on the screening vibration feeding mechanism, the cylinder body of the cutting cylinder is connected and fixed to the connecting bottom plate through the cutting slider pressure plate, and the piston rod of the cutting cylinder is connected to the cutting cylinder fixing seat; a groove with a screw profile is provided on the side of the cutting cylinder fixing seat facing the screening vibration feeding mechanism, and a lower nail guide plate is provided on the bottom of the cutting cylinder fixing seat, and the cutting cylinder fixing seat can be displaced relative to the lower nail guide plate under the drive of the cutting cylinder, and a lower nail opening is provided on the lower side of the lower nail guide plate.

[0015] Furthermore, a skateboard side connecting plate, a skateboard side supporting plate, a bottom plate sealing plate, an upper end bayonet plate, a skateboard bottom plate and a cutting plate are arranged on the outer side of the cutting cylinder fixing seat. The skateboard side connecting plate, the skateboard side supporting plate, the bottom plate sealing plate, the upper end bayonet plate, the skateboard bottom plate and the cutting plate are connected and fixed together to form a cavity. The cutting cylinder fixing seat is slidably arranged in the cavity. The piston rod of the cutting cylinder is connected to the skateboard side connecting plate. The cutting cylinder fixing seat can be relatively displaced in the cavity.

[0016] Furthermore, guide structures for displacement guidance are provided on the side surfaces of the cutting cylinder fixing seat facing the slide plate bottom plate and the bottom plate air sealing plate.

[0017] Furthermore, the outer sides of the upper end bayonet plate and the cutting plate are both provided with material shielding plate ribs, the material shielding plate ribs are fixedly arranged on the connecting bottom plate, and the material shielding plate ribs are provided with notches for screws to pass through.

[0018] Furthermore, sensors are provided in both the large hopper and the small hopper.

[0019] Compared with the prior art, the present invention has the following beneficial effects: in the present invention, a large hopper baffle plate is arranged in the large hopper, so that the feeding speed of the screws is slowed down, and the screws are prevented from being crowded and blocked when entering the feeding port of the large hopper. After the screws are lifted onto the screening vibration feeding mechanism, the contoured material channel and the air blowing fixed block are used to make the screw heads face upward and enter the discharge groove on the fixed plate of the vibration feeding mechanism, and then vibrate and enter the cutting cylinder fixed seat of the cutting mechanism in turn, and the shell formed by the cooperation of the cutting cylinder, the side connecting plate of the slide plate, the side supporting plate of the slide plate, the bottom plate air sealing plate, the upper end bayonet plate, the slide plate bottom plate and the cutting plate are pushed under the action of the cutting cylinder, and the internal cutting cylinder fixed seat is driven to move under the movement of the shell. During the movement, the screws in the cutting cylinder fixed seat are aligned with the lower nail guide plate and fall, and then enter the nail feeding channel from the lower nail opening. The nail feeding process of the present invention is smooth and not prone to nail jamming, which greatly improves the stability of feeding and the efficiency of nail feeding, and effectively protects the coating. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] The present invention will be further described below in conjunction with the accompanying drawings.

[0021] Figure 1 It is a structural schematic diagram of the present invention.

[0022] Figure 2 A schematic diagram of the top view of the structure of the present invention

[0023] Figure 3 The three-dimensional structure of the present invention is shown in FIG. Figure 1 .

[0024] Figure 4 The three-dimensional structure of the present invention is shown in FIG. Figure 2 .

[0025] Figure 5 The three-dimensional structure of the present invention is shown in FIG. Figure 3 .

[0026] Figure 6 A schematic structural diagram of the material discharging mechanism in the present invention.

[0027] Figure 7 It is a three-dimensional schematic diagram of the cutting mechanism in the present invention.

[0028] Figure 8 It is a partial three-dimensional view of the cutting mechanism in the present invention. Figure 1 .

[0029] Fig. 9 It is a partial three-dimensional view of the cutting mechanism in the present invention. Figure 2 .

[0030] Fig.10 The three-dimensional structure diagram of the screening vibration feeding mechanism in the present invention is shown in FIG. Figure 1 .

[0031] Fig.11 The three-dimensional structure diagram of the screening vibration feeding mechanism in the present invention is shown in FIG. Figure 2 .

[0032] Fig.12 The three-dimensional structure of the two-stage lifting device in the present invention is shown in FIG. Figure 1 .

[0033] Fig.13 The three-dimensional structure of the two-stage lifting device in the present invention is shown in FIG. Figure 2 .

[0034] In the figure: 1 is the base, 2 is the large hopper support seat, 3 is the large hopper, 4 is the large hopper baffle plate, 5 is the discharge mechanism, 51 is the discharge cylinder, 52 is the discharge plate, 53 is the support rib plate, 54 is the discharge support, 55 is the discharge port, 6 is the cutting mechanism, 60 is the connecting bottom plate, 61 is the cutting cylinder, 62 is the cutting cylinder fixing seat, 63 is the cutting slider pressure plate, 64 is the lower nail guide plate, 65 is the lower nail port, 66 is the slide plate side connecting plate, 67 is the slide plate side support plate, 68 is the bottom plate air sealing plate, 69 is the upper end bayonet plate, 610 is the slide plate bottom plate, 611 is the cutting plate, 612 is the cover plate rib, 7 is the screening vibration feeding mechanism, 71 is the vibration machine, 72 is the vibration The base of the feeding mechanism is a shockproof column, 73 is the base of the vibration feeding mechanism, 74 is the fixed plate of the vibration feeding mechanism, 75 is the contoured material channel, 76 is the blowing fixed block, 77 is the material dividing and connecting nail plate pad, 78 is the material dividing and connecting nail plate, 79 is the screw height limiting plate pad, 710 is the screw height limiting plate support, 711 is the screw height limiting plate, 712 is the screw sensor bracket, 713 is the screw sensor, 8 is the two-stage lifting device, 81 is the lifting cylinder, 82 is the first lifting device bottom plate, 83 is the first lifting cutting plate, 84 is the second lifting device bottom plate, 85 is the second lifting cutting plate, 86 is the lifting device support, 87 is the cutting connecting plate, 9 is a small hopper, and 10 is a sensor. DETAILED DESCRIPTION

[0035] The present invention will be further described below in conjunction with specific embodiments.

[0036] like Figures 1 to 13 As shown, a nail feeding device of the present invention comprises a base 1, a large hopper support seat 2 and a large hopper 3, the large hopper 3 is fixed on the base 1 through the large hopper support seat 2, the large hopper support seat 2 is a plate-shaped structure, a plurality of the large hopper support seats 2 are arranged around the large hopper 3, the upper end of the large hopper support seat 2 is fixedly connected to the outer side of the large hopper 3, and the lower end of the large hopper support seat 2 is fixedly arranged on the upper side of the base 1; a large hopper baffle plate 4 is arranged on the inner side of the large hopper 3, one side of the large hopper baffle plate 4 is fixedly arranged on the inner side wall of the large hopper 3, and the large hopper baffle plate 4 is arranged around the discharge port of the large hopper 3, and a certain gap is maintained between the discharge port of the large hopper 3, when discharging materials, the screws enter the discharge port one by one from the gap, and the discharge port will not be blocked by piled materials.

[0037] A discharge mechanism 5 is provided at the discharge port of the large hopper 3, and the discharge mechanism 5 is used to open and close the discharge port of the large hopper 3; a small hopper 9 is provided below the discharge mechanism 5, and the small hopper 9 is fixedly arranged on the upper side of the base 1 through a two-stage lifting device 8, the lower end of the two-stage lifting device 8 is fixed on the base 1, and the lifting part located at the upper end of the two-stage lifting device 8 penetrates the small hopper 9 and extends to the top of the small hopper 9, the lifting part of the two-stage lifting device 8 is connected with the screening vibration feeding mechanism 7, the feeding port of the screening vibration feeding mechanism 7 is aligned with the discharging end of the lifting part of the two-stage lifting device 8, and the discharging port of the screening vibration feeding mechanism 7 is aligned with the feeding port of the cutting mechanism 6; sensors 10 are provided in both the large hopper 3 and the small hopper 9.

[0038] The structure of the discharge mechanism 5 is as follows: it includes a discharge cylinder 51, a discharge plate 52, a support rib plate 53, a discharge support 54 and a discharge port 55. The upper end of the discharge support 54 is fixedly arranged on the outer side of the bottom of the large hopper 3, and the lower end of the discharge support 54 is fixedly arranged on the upper side of the base 1. The support rib plate 53 is horizontally arranged below the discharge port of the large hopper 3. One end of the support rib plate 53 is fixedly arranged on the discharge support 54, and the other end of the support rib plate 53 is fixedly arranged with a discharge cylinder 51. The cylinder body of the discharge cylinder 51 is fixed on the support rib plate 53. A discharge plate 52 is fixedly provided on the piston rod of the discharge cylinder 51; the upper end of the discharge port 55 is movably provided on the supporting rib plate 53, and the position of the discharge port 55 is adjusted so that it can be aligned with the discharge port of the large hopper 3, and the upper end of the discharge port 55 is in close contact with the discharge port of the large hopper 3, and the lower end of the discharge port 55 is located below the supporting rib plate 53, and a socket for the discharge plate 52 to cross is provided on the discharge port 55, and the discharge plate 52 can match and pass through the discharge port 55 to block or open the discharge port of the large hopper 3 under the drive of the discharge cylinder 51.

[0039] The structure of the two-stage lifting device 8 is as follows: it includes a lifting cylinder 81, a first lifting device bottom plate 82, a first lifting cutting plate 83, a second lifting device bottom plate 84, a second lifting cutting plate 85, a lifting device support 86 and a cutting connecting plate 87, the lower end of the lifting device support 86 is fixedly set on the upper side of the base 1, the first lifting device bottom plate 82 and the second lifting device bottom plate 84 are vertically spaced and fixedly set on the lifting device support 86, the first lifting cutting plate 83 is movably matched and set between the first lifting device bottom plate 82 and the second lifting device bottom plate 84, the second lifting cutting plate 85 is movably set on the outer side of the second lifting device bottom plate 84, the lifting cylinder 81 is fixedly set on the outer side of the first lifting device bottom plate 82, the lower ends of the first lifting cutting plate 83 and the second lifting cutting plate 85 are both fixedly set on the cutting connecting plate 87, one end of the cutting connecting plate 87 is on the piston rod of the lifting cylinder 81, and the first lifting cutting plate 83 and the second lifting cutting plate 85 are driven to reciprocate up and down by the lifting cylinder 81. The structure of the two-stage lifting device 8 is as follows: the upper ends of the first lifting device bottom plate 82, the first lifting cutting plate 83, the second lifting device bottom plate 84 and the second lifting cutting plate 85 are all provided with inclined surfaces in the same direction, and the inclined surfaces are inclined downward toward the screening vibration feeding mechanism 7.

[0040] The structure of the screening vibration feeding mechanism 7 is as follows: it includes a vibrator 71, a vibration feeding mechanism base shockproof column 72, a vibration feeding mechanism base 73, a vibration feeding mechanism fixing plate 74, a contoured material channel 75, an air blowing fixing block 76, a material dividing and connecting nail plate pad 77, a material dividing and connecting nail plate 78, a screw height limiting plate pad 79, a screw height limiting plate support 710, a screw height limiting plate 711, a screw presence sensor bracket 712 and a screw presence sensor 713. The vibration feeding mechanism base 73 is connected to the vibrating feeder by a vibration feeder. The anti-vibration column 72 of the structure base is fixedly arranged on the upper side of the base 1, the vibrator 71 is fixedly arranged on the upper side of the vibrating feeding mechanism base 73, a vibrating feeding mechanism fixing plate 74 is fixedly arranged on the upper side of the vibrating feeding mechanism fixing plate 74, a profiled material channel 75 is fixed on one end of the upper side of the vibrating feeding mechanism fixing plate 74, the profiled material channel 75 is aligned with the discharge end of the lifting part of the two-stage lifting device 8, a discharge groove is arranged on the vibrating feeding mechanism fixing plate 74 on the discharge port side of the profiled material channel 75, and the discharge groove is aligned with the The contoured material channel 75 is arranged in the same direction, and the vibrating feeding mechanism fixing plates 74 on both sides of the discharge groove are provided with material dividing and connecting nail plate pads 77, and the material dividing and connecting nail plate pads 77 are provided with material dividing and connecting nail plates 78. The upper side of the vibrating feeding mechanism fixing plate 74 is also provided with a screw height limiting plate pad 79, and the screw height limiting plate pad 79 is provided with a screw height limiting plate support 710, and the screw height limiting plate support 710 is transversely arranged above the material dividing and connecting nail plate 78, and the end of the screw height limiting plate support 710 is provided with a screw height limiting plate support 710. A screw height limiting plate 711 is provided in the part, and the screw height limiting plate 711 is located just above the discharge groove, and the screw height limiting plate 711 is arranged along the direction of the discharge groove. The screw presence sensor 713 is fixedly arranged on the vibration feeding mechanism fixing plate 74 through the screw presence sensor bracket 712. The detection end of the screw presence sensor 713 extends into the space between the dividing and connecting nail plates 78 above the discharge groove, and an air blowing fixing block 76 is arranged between the dividing and connecting nail plates 78 and the contoured material channel 75.

[0041] The cutting mechanism 6 is fixedly arranged on the screening vibration feeding mechanism 7, and the structure of the cutting mechanism 6 is: it includes a cutting cylinder 61, a cutting cylinder fixing seat 62, a cutting slider pressure plate 63, a lower nail guide plate 64, a lower nail opening 65 and a connecting bottom plate 60, the connecting bottom plate 60 is fixedly arranged on the screening vibration feeding mechanism 7, the cylinder body of the cutting cylinder 61 is connected and fixed to the connecting bottom plate 60 through the cutting slider pressure plate 63, and the piston rod of the cutting cylinder 61 is connected to the cutting cylinder fixing seat 62; the cutting cylinder fixing seat 62 is provided with a groove with a screw profile on the side facing the screening vibration feeding mechanism 7, and the bottom of the cutting cylinder fixing seat 62 is provided with a lower nail guide plate 64, and the cutting cylinder fixing seat 62 can be displaced relative to the lower nail guide plate 64 under the drive of the cutting cylinder 61, and the lower side of the lower nail guide plate 64 is provided with a lower nail opening 65. The outside of the cutting cylinder fixed seat 62 is provided with a slide plate side connection plate 66, a slide plate side support plate 67, a bottom plate air sealing plate 68, an upper end bayonet plate 69, a slide plate bottom plate 610 and a cutting plate 611. The slide plate side connection plate 66, the slide plate side support plate 67, the bottom plate air sealing plate 68, the upper end bayonet plate 69, the slide plate bottom plate 610 and the cutting plate 611 are connected and fixed to form a cavity. The cutting cylinder fixed seat 62 is slidably arranged in the cavity. The piston rod of the cutting cylinder 61 is connected to the slide plate side connection plate 66. The cutting cylinder fixed seat 62 can be relatively displaced in the cavity. The cutting cylinder fixed seat 62 is provided with a guide structure for displacement guidance on the side facing the slide plate bottom plate 610 and the bottom plate air sealing plate 68. The outer sides of the upper end bayonet plate 69 and the cutting plate 611 are both provided with material shielding plate ribs 612 , and the material shielding plate ribs 612 are fixedly arranged on the connecting bottom plate 60 , and the material shielding plate ribs 612 are provided with notches for screws to pass through.

[0042] The working process of the present invention is as follows: screws are poured into the large hopper 3, and under the vibration action of the screening and vibrating feeding mechanism 7, the screws enter the discharge port of the large hopper 3 from the gap between the large hopper 3 and the large hopper baffle plate 4, the discharge mechanism 5 is actuated to open the discharge port, the screws fall into the small hopper 9, and are lifted onto the screening and vibrating feeding mechanism 7 by the action of the two-stage lifting device 8, enter the cutting mechanism 6 through the screening and vibrating feeding mechanism 7, and then are sent one by one to the gun head of the screw driving equipment through the cutting mechanism 6.

[0043] In the present invention, a large hopper baffle plate 4 is arranged in the large hopper 3 to slow down the feeding speed of the screws, so as to avoid the screws from being clogged when entering the feeding port of the large hopper 3. After the screws are lifted onto the screening vibration feeding mechanism 7, the profiling material channel 75 and the air blowing fixed block 76 are used to make the screw heads face upward into the discharge groove on the fixing plate 74 of the vibration feeding mechanism, and then the screws vibrate and enter the cutting cylinder fixing seat 62 of the cutting mechanism 6 in turn, and the cutting cylinder 61 pushes the side connecting plates 66 and 67 of the slide plate to push the screws. The shell formed by the cooperation of the side support plate 67 of the skateboard, the bottom plate sealing plate 68, the upper end bayonet plate 69, the skateboard bottom plate 610 and the cutting plate 611 drives the internal cutting cylinder fixing seat 62 to move under the movement of the shell. During the movement, the screws in the cutting cylinder fixing seat 62 fall toward the lower nail guide plate 64 on the lower side, and then enter the nail feeding channel from the lower nail opening 65. The nail feeding process of the present invention is smooth and not prone to nail jamming, which greatly improves the stability of nail feeding and the efficiency of nail feeding.

[0044] The embodiments of the present invention are described in detail above in conjunction with the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge scope of ordinary technicians in this field without departing from the purpose of the present invention.

Claims

1. A nail feeding device, comprising a base (1), a large hopper support seat (2) and a large hopper (3), wherein the large hopper (3) is fixed on the base (1) through the large hopper support seat (2), characterized in that: The upper end of the large hopper support seat (2) is fixedly connected to the outer side of the large hopper (3), and the lower end of the large hopper support seat (2) is fixedly arranged on the upper side of the base (1); A large hopper baffle plate (4) is arranged on the inner side of the large hopper (3), one side of the large hopper baffle plate (4) is fixedly arranged on the inner side wall of the large hopper (3), and the large hopper baffle plate (4) is arranged around the discharge opening of the large hopper (3) and maintains a certain gap with the discharge opening of the large hopper (3); A discharge mechanism (5) is provided at the discharge opening of the large hopper (3), and the discharge mechanism (5) is used to open and close the discharge opening of the large hopper (3); A small hopper (9) is arranged below the discharge mechanism (5), and the small hopper (9) is fixedly arranged on the upper side of the base (1) through a two-stage lifting device (8), the lower end of the two-stage lifting device (8) is fixed on the base (1), and the lifting part located at the upper end of the two-stage lifting device (8) penetrates the small hopper (9) and then extends above the small hopper (9), the lifting part of the two-stage lifting device (8) is connected to the screening vibration feeding mechanism (7), the feeding port of the screening vibration feeding mechanism (7) is aligned with the discharging end of the lifting part of the two-stage lifting device (8), and the discharging port of the screening vibration feeding mechanism (7) is aligned with the feeding port of the cutting mechanism (6); The structure of the screening vibration feeding mechanism (7) is as follows: it comprises a vibrator (71), a vibration feeding mechanism base anti-vibration column (72), a vibration feeding mechanism base (73), a vibration feeding mechanism fixing plate (74), a contoured material channel (75), an air blowing fixing block (76), a material dividing and nail connecting plate pad (77), a material dividing and nail connecting plate (78), a screw height limiting plate pad (79), a screw height limiting plate support (710), a screw height limiting plate (711), a screw presence sensor bracket (712) and a screw presence sensor (713), wherein the vibration feeding mechanism base (73) is provided with a plurality of screws, each of which is provided with a plurality of screws, wherein the plurality of screws are ... The vibration feeding mechanism base anti-vibration column (72) is fixedly arranged on the upper side of the base (1); the vibration machine (71) is fixedly arranged on the upper side of the vibration feeding mechanism base (73); a vibration feeding mechanism fixing plate (74) is fixedly arranged on the upper side of the vibration machine (71); a contoured material channel (75) is fixedly arranged on one end of the upper side of the vibration feeding mechanism fixing plate (74); the contoured material channel (75) is aligned with the discharge end of the lifting part of the two-stage lifting device (8); a discharge groove is arranged on the vibration feeding mechanism fixing plate (74) on the discharge port side of the contoured material channel (75); and the discharge groove is arranged on the discharge port side of the vibration feeding mechanism fixing plate (74). The material groove and the contoured material channel (75) are arranged in the same direction, and the vibrating feeding mechanism fixing plates (74) on both sides of the material discharge groove are provided with material dividing and connecting nail plate pads (77), and the material dividing and connecting nail plate pads (77) are provided with material dividing and connecting nail plates (78), and the upper side of the vibrating feeding mechanism fixing plate (74) is also provided with a screw height limiting plate pad (79), and the screw height limiting plate pad (79) is provided with a screw height limiting plate support (710), and the screw height limiting plate support (710) is transversely arranged above the material dividing and connecting nail plate (78), and the screw height limiting plate support (710) ) is provided with a screw height limiting plate (711) at the end thereof, the screw height limiting plate (711) being located just above the material discharging groove and being arranged along the direction of the material discharging groove, the screw presence sensor (713) being fixedly arranged on the vibration feeding mechanism fixing plate (74) via a screw presence sensor bracket (712), the detection end of the screw presence sensor (713) extending into the space between the material dividing and connecting nail plates (78) above the material discharging groove, and an air blowing fixing block (76) being arranged between the material dividing and connecting nail plates (78) and the contoured material channel (75).

2. A nail feeding device according to claim 1, characterized in that: The structure of the discharge mechanism (5) is as follows: it comprises a discharge cylinder (51), a discharge plate (52), a support rib plate (53), a discharge support (54) and a discharge port (55); the upper end of the discharge support (54) is fixedly arranged on the outer side of the bottom of the large hopper (3); the lower end of the discharge support (54) is fixedly arranged on the upper side of the base (1); the support rib plate (53) is horizontally arranged below the discharge port of the large hopper (3); one end of the support rib plate (53) is fixedly arranged on the discharge support (54); the other end of the support rib plate (53) is fixedly arranged with the discharge cylinder (51); the cylinder body of the discharge cylinder (51) is fixed on the support rib plate (53); and the discharge plate (52) is fixedly arranged on the piston rod of the discharge cylinder (51); The upper end of the discharge port (55) is movably arranged on the supporting rib plate (53), and the position of the discharge port (55) is adjusted so that it can be aligned with the discharge port of the large hopper (3), and the upper end of the discharge port (55) is tightly attached to the discharge port of the large hopper (3), and the lower end of the discharge port (55) is located below the supporting rib plate (53). The discharge port (55) is provided with a socket for the discharge plate (52) to cross, and the discharge plate (52) can match and pass through the discharge port (55) under the drive of the discharge cylinder (51) to block or open the discharge port of the large hopper (3).

3. A nail feeding device according to claim 1, characterized in that: The structure of the two-stage lifting device (8) is as follows: it includes a lifting cylinder (81), a first lifting device bottom plate (82), a first lifting cutting plate (83), a second lifting device bottom plate (84), a second lifting cutting plate (85), a lifting device support (86) and a cutting connecting plate (87), wherein the lower end of the lifting device support (86) is fixedly arranged on the upper side of the base (1), the first lifting device bottom plate (82) and the second lifting device bottom plate (84) are vertically spaced and fixedly arranged on the lifting device support (86), and the first lifting cutting plate (83) is movably matched and arranged on the first lifting device bottom plate (82) and the second lifting device bottom plate (84), the second lifting cutting plate (85) is movably arranged on the outside of the second lifting device bottom plate (84), a lifting cylinder (81) is fixedly arranged on the outside of the first lifting device bottom plate (82), the lower ends of the first lifting cutting plate (83) and the second lifting cutting plate (85) are both fixedly arranged on the cutting connecting plate (87), one end of the cutting connecting plate (87) is connected to the piston rod of the lifting cylinder (81), and the first lifting cutting plate (83) and the second lifting cutting plate (85) are driven to move reciprocatingly up and down through the lifting cylinder (81).

4. A nail feeding device according to claim 3, characterized in that: The upper ends of the first lifting device bottom plate (82), the first lifting and cutting plate (83), the second lifting device bottom plate (84) and the second lifting and cutting plate (85) are all provided with inclined surfaces in the same direction, and the inclined surfaces are inclined downwards towards the screening vibration feeding mechanism (7).

5. A nail feeding device according to claim 1, characterized in that: The cutting mechanism (6) is fixedly arranged on the screening vibration feeding mechanism (7). The structure of the cutting mechanism (6) is as follows: it comprises a cutting cylinder (61), a cutting cylinder fixing seat (62), a cutting slider pressing plate (63), a lower nail guide plate (64), a lower nail opening (65) and a connecting bottom plate (60). The connecting bottom plate (60) is fixedly arranged on the screening vibration feeding mechanism (7). The cylinder body of the cutting cylinder (61) is connected and fixed to the connecting bottom plate (60) via the cutting slider pressing plate (63). ), the piston rod of the cutting cylinder (61) is connected to the cutting cylinder fixing seat (62); a groove with a screw profile is provided on the side of the cutting cylinder fixing seat (62) facing the screening vibration feeding mechanism (7), a lower nail guide plate (64) is provided at the bottom of the cutting cylinder fixing seat (62), the cutting cylinder fixing seat (62) can be displaced relative to the lower nail guide plate (64) under the drive of the cutting cylinder (61), and a lower nail opening (65) is provided on the lower side of the lower nail guide plate (64).

6. A nail feeding device according to claim 5, characterized in that: A slide plate side connection plate (66), a slide plate side support plate (67), a bottom plate air sealing plate (68), an upper end bayonet plate (69), a slide plate bottom plate (610) and a cutting plate (611) are arranged on the outer side of the cutting cylinder fixing seat (62); the slide plate side connection plate (66), the slide plate side support plate (67), the bottom plate air sealing plate (68), the upper end bayonet plate (69), the slide plate bottom plate (610) and the cutting plate (611) are connected and fixed together to form a cavity; the cutting cylinder fixing seat (62) is slidably arranged in the cavity; the piston rod of the cutting cylinder (61) is connected to the slide plate side connection plate (66); and the cutting cylinder fixing seat (62) can be relatively displaced in the cavity.

7. A nail feeding device according to claim 6, characterized in that: Guide structures for displacement guidance are provided on the side of the cutting cylinder fixing seat (62) facing the slide plate bottom plate (610) and the bottom plate air sealing plate (68).

8. A nail feeding device according to claim 7, characterized in that: The outer sides of the upper end bayonet plate (69) and the cutting plate (611) are both provided with material shielding plate ribs (612), the material shielding plate ribs (612) are fixedly arranged on the connecting bottom plate (60), and the material shielding plate ribs (612) are provided with notches for screws to pass through.

9. The nail feeding device according to claim 1, characterized in that: Sensors (10) are provided in both the large hopper (3) and the small hopper (9).

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