A nail feeding device for riveting equipment

Abstract

The present invention provides a rivet feeding device for riveting equipment, comprising a connected feeding channel and a pushing channel, wherein the feeding channel comprises an arc segment, and a feeding mechanism is provided on one side of the arc segment; the feeding mechanism comprises a permanent magnet capable of attracting rivets in the arc segment, and a power assembly capable of driving the permanent magnet to move; the power assembly can drive the permanent magnet to move cyclically along a first track and a second track connected end to end, and when the permanent magnet is located on the first track, the magnetic attraction force on the rivets in the arc segment is greater than when the permanent magnet is located on the second track; the permanent magnet has a feeding motion mode and a blocking removal motion mode. The present invention makes it difficult for rivets to be blocked during transportation.

Description

Technical Field

[0001] The invention relates to the technical field of rivet conveying, in particular to a rivet conveying device for riveting equipment. Background Art

[0002] Rivets are key parts in the riveting process. They connect different parts through their own deformation and are widely used in the fields of automobiles, aviation, furniture, etc. In order to improve the degree of automation and production efficiency, existing riveting equipment is usually equipped with a rivet feeding device. However, traditional rivet feeding devices usually use top pushing or air blowing to achieve rivet feeding. These methods are essentially to apply force to a rivet located at the rear of the conveying channel, so that it pushes the rivet located at the front to move. In this way, the rivet located at the rear needs to bear a larger force, which is likely to cause stress concentration on the rivet, and in the process of movement, multiple rivets will squeeze each other, increasing the risk of jamming, which can easily cause rivets to get blocked during transportation. Especially in the case where rivets need to be turned through an arc track, the above problems are particularly prominent. Summary of the invention

[0003] In order to overcome the deficiencies of the prior art, the present invention provides a nail feeding device for riveting equipment, which is not likely to cause rivets to be blocked during the feeding process.

[0004] The present invention adopts the following technical solutions.

[0005] A nail feeding device for riveting equipment comprises a feeding channel and a pushing channel connected to each other, wherein the feeding channel comprises an arc segment, and a feeding mechanism is provided on one side of the arc segment;

[0006] The feeding mechanism includes a permanent magnet capable of attracting the rivets in the arc segment, and a power component capable of driving the permanent magnet to move;

[0007] The power assembly can drive the permanent magnet to cyclically move along a first track and a second track connected end to end, and the magnetic attraction force of the permanent magnet on the rivet in the arc segment when the permanent magnet is located on the first track is greater than the magnetic attraction force of the permanent magnet on the rivet in the arc segment when the permanent magnet is located on the second track;

[0008] The permanent magnet has a feeding motion mode and a blockage removal motion mode;

[0009] When the power assembly is in the feeding motion mode, the power assembly drives the permanent magnet to move along the first track in the feeding direction of the feeding channel, and to move along the second track in the opposite direction of the feeding channel;

[0010] When the power assembly is in the unblocking motion mode, the power assembly drives the permanent magnet to move along the first trajectory in the opposite direction of the feeding direction of the feeding channel, and to move along the second trajectory in the same direction of the feeding direction of the feeding channel.

[0011] Furthermore, the arc segment includes an inner arc plate and an outer arc plate, the inner arc plate and the outer arc plate are both made of elastic material, the front end and the rear end of the inner arc plate and the outer arc plate are both fixed ends, the power component is linked with the inner arc plate and the outer arc plate, and the power component can drive the rest of the inner arc plate and the outer arc plate to deform radially.

[0012] Furthermore, the power assembly includes a rotating wheel and a motor transmission-connected to the rotating wheel, and the permanent magnet is arranged on the rotating wheel.

[0013] Furthermore, a plurality of ferromagnets are evenly distributed on the inner arc plate and the outer arc plate along the arc length direction, and the ferromagnets are attracted by the magnetic force of the permanent magnet.

[0014] Furthermore, the rotating wheel is located outside the inner arc plate.

[0015] Furthermore, the rotating wheel is provided with a protrusion capable of squeezing the inner arc plate.

[0016] Furthermore, it also includes a seat body and a cover body that are detachably connected, and the arc segment is arranged at the junction of the seat body and the cover body.

[0017] Furthermore, the outer arc plate includes a left plate body and a right plate body, the inner arc plate and the left plate body are arranged on the base body, and the right plate body is arranged on the cover body.

[0018] Furthermore, the pushing channel is vertically arranged, and a front end and a rear end of the pushing channel are respectively provided with a plurality of positioning structures evenly distributed along the circumferential direction.

[0019] Furthermore, it also includes a material pushing tube, wherein the material pushing channel is arranged in the material pushing tube;

[0020] The positioning structure includes a mounting hole that radially penetrates the push tube, a ball is movably connected in the mounting hole, a screw is connected to the end of the mounting hole facing away from the push channel, a spring is provided between the screw and the ball, and the spring makes the ball tend to embed into the push channel.

[0021] The beneficial effects of the present invention are:

[0022] The present invention is provided with a feeding mechanism on one side of the arc segment of the feeding channel. When the rivets need to be transported, the power assembly switches to the feeding motion mode, and the power assembly drives the permanent magnet to move along the first trajectory along the feeding direction of the feeding channel, so that the permanent magnet can attract and drive the multiple rivets in the arc segment to move along the feeding direction of the feeding channel. Compared with the traditional push or air blowing method, by making multiple rivets move together under force, not only the stress concentration is reduced, but also the mutual extrusion between multiple rivets is reduced during the movement process, thereby reducing the risk of jamming, which is conducive to avoiding the blockage of rivets during the transportation process.

[0023] When the rivets in the arc segment are blocked, the power component switches to the unblocking motion mode, and the power component drives the permanent magnet to move along the first trajectory in the opposite direction of the feeding channel, so that the permanent magnet applies a force in the opposite direction of the feeding channel to the multiple rivets in the arc segment, so as to help the rivets in the arc segment adjust their positions and get rid of the stuck points, thereby restoring the smooth transportation of the rivets in the arc segment. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] 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, for ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0025] Figure 1 It is a front view of the first embodiment;

[0026] Figure 2 for Figure 1 A magnified view of part A;

[0027] Figure 3 for Figure 1 A magnified view of part B;

[0028] Figure 4 It is a right side view of the first embodiment in the assembled state;

[0029] Figure 5 It is a right side view of the first embodiment in an exploded state;

[0030] Figure 6 It is a three-dimensional diagram of the first embodiment (partial structure is omitted);

[0031] Figure 7 for Figure 6 Enlarged view of part C;

[0032] Figure 8 is a front view of a second embodiment;

[0033] Fig. 9 for Figure 8 Enlarged view of part D.

[0034] Description of reference numerals:

[0035] Feed channel 1, arc segment 11,

[0036] Inner arc plate 111, outer arc plate 112, ferromagnetic body 113,

[0037] Left plate body 1121, right plate body 1122,

[0038] Pushing channel 2,

[0039] Feeding mechanism 3,

[0040] Permanent magnet 31, power assembly 32,

[0041] Rotating wheel 321, motor 322,

[0042] protrusion 3211,

[0043] Base body 41, cover body 42,

[0044] Positioning structure 5,

[0045] Ball 51, screw 52, ​​spring 53,

[0046] Pushing tube 6,

[0047] Position sensor 7. DETAILED DESCRIPTION

[0048] The drawings are only used for illustrative purposes and should not be construed as limitations of this patent. In order to better illustrate this embodiment, some parts of the drawings may be omitted, enlarged, or reduced, and do not represent the size of the actual product.

[0049] For those skilled in the art, it is understandable that some well-known structures and their descriptions may be omitted in the drawings. The technical solution of the present invention is further described below in conjunction with the drawings and embodiments.

[0050] As attached Figures 1 to 9 The nail feeding device for riveting equipment shown in the figure comprises a feeding channel 1 and a pushing channel 2 which are connected, the feeding channel 1 comprises an arc segment 11, and a feeding mechanism 3 is provided on one side of the arc segment 11;

[0051] The feeding mechanism 3 includes a permanent magnet 31 capable of attracting the rivet in the arc segment 11, and a power component 32 capable of driving the permanent magnet 31 to move;

[0052] The power assembly 32 can drive the permanent magnet 31 to move cyclically along the first track and the second track connected end to end. When the permanent magnet 31 is located on the first track, the magnetic attraction force on the rivet in the arc segment 11 is greater than the magnetic attraction force on the rivet in the arc segment 11 when the permanent magnet 31 is located on the second track.

[0053] The permanent magnet 31 has a feeding motion mode and a blockage removal motion mode;

[0054] When the power assembly 32 is in the feeding motion mode, the power assembly 32 drives the permanent magnet 31 to move along the first track in the feeding direction of the feeding channel 1, and to move along the second track in the opposite direction of the feeding direction of the feeding channel 1;

[0055] When the power assembly 32 is in the unblocking motion mode, the power assembly 32 drives the permanent magnet 31 to move along the first trajectory in the opposite direction of the feeding channel 1 , and to move along the second trajectory in the feeding direction of the feeding channel 1 .

[0056] The present invention is provided with a feeding mechanism 3 on one side of the arc segment 11 of the feeding channel 1. When the rivets need to be transported, the power assembly 32 switches to the feeding motion mode, and the power assembly 32 drives the permanent magnet 31 to move along the first trajectory along the feeding direction of the feeding channel 1, so that the permanent magnet 31 can attract and drive the multiple rivets in the arc segment 11 to move along the feeding direction of the feeding channel 1. Compared with the traditional push or air blowing method, by making multiple rivets move together under force, not only the stress concentration is reduced, but also the mutual extrusion between multiple rivets is reduced during the movement, thereby reducing the risk of jamming, which is conducive to avoiding the blockage of rivets during the transportation process.

[0057] As an example, the attached Figure 1 , 2 As shown in Figures , 8 and 9, a position sensor 7 is provided at the end of the feed channel 1. After the power assembly 32 has been operating in the feeding motion mode for a predetermined time, if the position sensor 7 still has not detected that a rivet has reached the end of the feed channel 1, it indicates that a blockage has occurred in the feed channel 1. At this time, the power assembly 32 will switch from the feeding motion mode to the unblocking motion mode. After the power assembly 32 has been operating in the unblocking motion mode for a predetermined time, it will switch back to the feeding motion mode. If the position sensor 7 still has not detected a rivet after the power assembly 32 has been switched back to the feeding motion mode, the power assembly 32 will switch back to the unblocking motion mode. The above steps can be repeated until the blockage in the feed channel 1 is eliminated.

[0058] Specifically, when the power component 32 switches to the unblocking motion mode, the power component 32 drives the permanent magnet 31 to move along the first trajectory in the opposite direction of the feeding channel 1, so that the permanent magnet 31 applies a force in the opposite direction of the feeding channel 1 to multiple rivets in the arc segment 11, so as to help the rivets in the arc segment 11 adjust their positions and get rid of the stuck points, thereby restoring the smooth transportation of the rivets in the arc segment 11.

[0059] Preferably, as attached Figure 2 , 7 As shown in Figures 9 and 10, the arc segment 11 includes an inner arc plate 111 and an outer arc plate 112, both of which are made of elastic material, and the front and rear ends of the inner arc plate 111 and the outer arc plate 112 are fixed ends, and the power assembly 32 is linked with the inner arc plate 111 and the outer arc plate 112, and the power assembly 32 can drive the rest of the inner arc plate 111 and the outer arc plate 112 to deform radially. As an example, the inner arc plate 111 and the outer arc plate 112 are both made of elastic plastic.

[0060] It is understandable that, no matter whether the power assembly 32 is in the feeding motion mode or the blocking removal motion mode, when the power assembly 32 is working, it will drive the inner arc plate 111 and the outer arc plate 112 to deform radially except for the fixed section, so that the arc segment 11 produces a creeping effect. The creeping of the arc segment 11 helps to adjust the position of the rivet in the arc segment 11, and helps the rivet get rid of the stuck point, so as to ensure the smooth transportation of the rivet in the arc segment 11.

[0061] Preferably, as attached Figure 2 , 4 As shown in Figures 5, 7 and 9, the power assembly 32 includes a rotating wheel 321 and a motor 322 connected to the rotating wheel 321, and the permanent magnet 31 is arranged on the rotating wheel 321. It can be understood that the first trajectory is a semicircle of the rotating wheel 321 close to the inner arc plate 111, and the second trajectory is a semicircle of the rotating wheel 321 away from the inner arc plate 111. When the power assembly 32 is in the feeding motion mode, the motor 322 drives the rotating wheel 321 to rotate clockwise. When the power assembly 32 is in the blockage removal motion mode, the motor 322 drives the rotating wheel 321 to rotate counterclockwise.

[0062] As an example, preferably, as shown in the attached Figure 1 , 2 As shown in FIGS. 6 and 7 , a plurality of ferromagnets 113 are evenly distributed on the inner arc plate 111 and the outer arc plate 112 along the arc length direction, and the ferromagnets 113 are attracted by the magnetic force of the permanent magnet 31. When the rotating wheel 321 drives the permanent magnet 31 to move along the first track, the permanent magnet 31 will attract the ferromagnets 113 on the inner arc plate 111 and the outer arc plate 112, so that these ferromagnets 113 are sequentially approached to the permanent magnet 31 according to the order in the arc length direction, thereby causing the inner arc plate 111 and the outer arc plate 112 to deform, and realizing the creeping effect of the arc segment 11.

[0063] In addition, a common reason for the rivet to be blocked in the arc segment 11 is that the rivet abuts against the outer arc wall of the arc segment 11, and the friction between the two is too large, resulting in the rivet being unable to slide along the outer arc wall of the arc segment 11, thereby causing blockage. As an optimization measure, if the attached Figure 1 , 2 As shown in FIGS. 6 and 7 , the rotating wheel 321 of the present invention is located outside the inner arc plate 111. In this way, when the permanent magnet 31 attracts and drives the multiple rivets in the arc segment 11 to move along the feeding direction of the feeding channel 1, a force pointing to the center direction of the arc segment 11 is generated on the rivets in the arc segment 11, which helps to reduce the friction between the rivets and the outer arc wall of the arc segment 11, thereby reducing the possibility of rivet blockage.

[0064] As another example, Figure 8 , 9As shown, preferably, a protrusion 3211 capable of squeezing the inner arc plate 111 is provided on the rotating wheel 321. When the rotating wheel 321 rotates, the protrusion 3211 squeezes the inner arc plate 111 along the rotation direction, so that the inner arc plate 111 is deformed. The deformed inner arc plate 111 squeezes the outer arc plate 112 through the rivets of the arc segment 11, so that both the inner arc plate 111 and the outer arc plate 112 are deformed, thereby achieving the creeping effect of the arc segment 11.

[0065] Preferably, as attached Figure 4 , 5 As shown, this embodiment further includes a detachably connected seat body 41 and a cover body 42, and the arc segment 11 is provided at the joint of the seat body 41 and the cover body 42. When the power assembly 32 in the blockage removal motion mode is still insufficient to remove the blockage in the arc segment 11, the maintenance personnel can remove the cover body 42 from the seat body 41, so as to simply and effectively remove the blockage in the arc segment 11. Specifically, the seat body 41 and the cover body 42 can be connected by screws 52.

[0066] Specifically, the outer arc plate 112 includes a left plate body 1121 and a right plate body 1122 . The inner arc plate 111 and the left plate body 1121 are disposed on the base body 41 , and the right plate body 1122 is disposed on the cover body 42 .

[0067] Preferably, as attached Figure 1 , 8 As shown, the pushing channel 2 is vertically arranged, and a plurality of positioning structures 5 are evenly distributed along the circumferential direction at the front end and the end of the pushing channel 2.

[0068] Preferably, as attached Figure 1 , 3 As shown in , 8, this embodiment further includes a pushing tube 6, and the pushing channel 2 is arranged in the pushing tube 6;

[0069] The positioning structure 5 includes a mounting hole that penetrates the push tube 6 in the radial direction, a ball 51 is movably connected in the mounting hole, a screw 52 is connected to the end of the mounting hole that faces away from the push channel 2, a spring 53 is arranged between the screw 52 and the ball 51, and the spring 53 makes the ball 51 tend to be embedded in the push channel 2. The positioning structure 5 plays a role in positioning and guiding the rivet in the push channel 2.

[0070] Obviously, the above embodiments of the present invention are merely examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. For those skilled in the art, other different forms of changes or modifications can be made based on the above description. It is not necessary and impossible to list all the embodiments here. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the claims of the present invention.

Claims

1. A nail feeding device for riveting equipment, comprising a feeding channel and a pushing channel connected to each other, wherein the feeding channel comprises an arc segment, characterized in that: A feeding mechanism is provided on one side of the arc segment; The feeding mechanism includes a permanent magnet capable of attracting the rivets in the arc segment, and a power component capable of driving the permanent magnet to move; The power assembly can drive the permanent magnet to cyclically move along a first track and a second track connected end to end, and the magnetic attraction force of the permanent magnet on the rivet in the arc segment when the permanent magnet is located on the first track is greater than the magnetic attraction force of the permanent magnet on the rivet in the arc segment when the permanent magnet is located on the second track; The permanent magnet has a feeding motion mode and a blockage removal motion mode; When the power assembly is in the feeding motion mode, the power assembly drives the permanent magnet to move along the first track in the feeding direction of the feeding channel, and to move along the second track in the opposite direction of the feeding channel; When the power assembly is in the unblocking motion mode, the power assembly drives the permanent magnet to move along the first trajectory in the opposite direction of the feeding direction of the feeding channel, and to move along the second trajectory in the same direction of the feeding direction of the feeding channel.

2. A nail feeding device for riveting equipment according to claim 1, characterized in that: The arc segment includes an inner arc plate and an outer arc plate, both of which are made of elastic material, and the front and rear ends of the inner arc plate and the outer arc plate are fixed ends. The power component is linked with the inner arc plate and the outer arc plate, and the power component can drive the rest of the inner arc plate and the outer arc plate to deform radially.

3. A nail feeding device for riveting equipment according to claim 2, characterized in that: The power assembly comprises a rotating wheel and a motor which is transmission-connected to the rotating wheel, and the permanent magnet is arranged on the rotating wheel.

4. A nail feeding device for riveting equipment according to claim 3, characterized in that: A plurality of ferromagnets are evenly distributed on the inner arc plate and the outer arc plate along the arc length direction, and the ferromagnets are attracted by the magnetic force of the permanent magnet.

5. The nail feeding device for riveting equipment according to claim 3, characterized in that: The rotating wheel is located on the outer side of the inner arc plate.

6. A nail feeding device for riveting equipment according to claim 5, characterized in that: The rotating wheel is provided with a protrusion capable of pressing the inner arc plate.

7. A nail feeding device for riveting equipment according to claim 2, characterized in that: It also includes a seat body and a cover body that are detachably connected, and the arc segment is arranged at the junction of the seat body and the cover body.

8. A nail feeding device for riveting equipment according to claim 7, characterized in that: The outer arc plate comprises a left plate body and a right plate body, the inner arc plate and the left plate body are arranged on the seat body, and the right plate body is arranged on the cover body.

9. The nail feeding device for riveting equipment according to claim 1, characterized in that: The pushing channel is vertically arranged, and a front end and a rear end of the pushing channel are respectively provided with a plurality of positioning structures evenly distributed along the circumferential direction.

10. A nail feeding device for riveting equipment according to claim 9, characterized in that: It also includes a material pushing tube, wherein the material pushing channel is arranged in the material pushing tube; The positioning structure includes a mounting hole that radially penetrates the push tube, a ball is movably connected in the mounting hole, a screw is connected to the end of the mounting hole facing away from the push channel, a spring is provided between the screw and the ball, and the spring makes the ball tend to embed into the push channel.

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