A feeding jig for micro nuts

Abstract

The application provides a feeding jig for micro nuts, which ensures the right and reverse positions of the batch-fed micro nuts to be suitable for direct ultrasonic welding or riveting, and improves the micro nut conveying efficiency. The feeding jig comprises a feeding seat body, which comprises a bottom plate and a vertical seat body, the surface of the vertical seat body comprises an inclined surface, a plane and a nut warehouse; a nut front and back surface screening mechanism, which comprises a plurality of groups of interval-arranged channel grooves, the two sides of the starting end of each group of channel grooves are respectively provided with guide blocks, the opposite edges of the two adjacent guide blocks are combined to form a selection channel groove, the selection channel groove has a structure that the lower part is equal to the stud size and the upper part is equal to the nut large diameter size, when the nut large diameter part of the nut is located at the upper part, the nut smoothly passes through the selection channel groove and slides downward along the channel groove; and a nut feeding track.

Description

TECHNICAL FIELD

[0001] The application relates to a technical field of nut feeding, in particular to a feeding jig for micro nuts. BACKGROUND

[0002] In the automation industry, when welding and riveting micro nuts on a stainless steel plate, the micro nuts need to be sent to a fixed position for ultrasonic welding or riveting with the stainless steel plate. The existing technology transports the micro nuts one by one manually. Since the micro nuts are small in size, the operator needs to be particularly careful during transportation, and the phenomenon of micro nut front and back surface turning over is prone to occur. Moreover, the existing manual transportation of micro nuts is not suitable for the case where the micro nuts need to be positioned on a large area of the stainless steel plate. Therefore, there is an urgent need to develop a feeding jig that can reliably feed the micro nuts to the correct position for improving the feeding efficiency. SUMMARY

[0003] In view of the above problems, the application provides a feeding jig for micro nuts, which ensures that the front and back positions of the batch-fed micro nuts are suitable for direct ultrasonic welding or riveting, and improves the micro nut conveying efficiency.

[0004] A feeding jig for micro nuts, characterized in that it comprises:

[0005] A feeding seat body comprising a bottom plate and a vertical seat body, the surface of the vertical seat body comprising an inclined surface and a flat surface,

[0006] A nut magazine;

[0007] A nut front and back surface screening mechanism comprising a plurality of groups of interval arranged channel grooves, the two sides of the starting end of each group of channel grooves being respectively provided with guide blocks, the opposite edges of the two adjacent guide blocks being combined to form a selection channel groove, the selection channel groove being a structure with the lower part equal to the screw column size and the upper part equal to the nut large diameter size, when the nut large diameter part of the nut is located in the upper part, the nut smoothly passes through the selection channel groove and slides downward along the channel groove;

[0008] And a nut feeding track;

[0009] The nut magazine is arranged at a high position of the inclined surface, the bottom of the nut magazine is connected to the inclined surface, the middle and lower segment of the inclined surface is provided with the nut front and back surface screening mechanism, the two sides of the initial end of the nut front and back surface screening mechanism are provided with a first air blowing channel, the first air blowing turns over the position of the nut clamped in the selection channel groove, so that the nut falls downward through the channel groove after the position of the nut is correct;

[0010] The end of the plane is provided with nut feeding channels, the number of which is arranged according to the situation, each of the nut feeding channels comprises a wide inlet, a guide channel and an outlet end, the front end region of the plane is provided with a buffer bin, a plurality of nuts arranged accurately in position are arranged in the buffer bin, second air blowing channels are arranged on both sides of the buffer bin, and third air blowing channels are arranged on both sides of the nut feeding channel region.

[0011] It is further characterized in that:

[0012] The number of the channel grooves is equal to the number of the nut feeding channels;

[0013] The channel grooves comprise inclined parts and flat parts, the air blowing face domain of the second air blowing channels covers the channel grooves of the flat parts and the face domain of the buffer bin, and the air blowing of the second air blowing channels inputs the nuts into the buffer bin and blows the nuts in the buffer bin into the corresponding regions of the wide inlets;

[0014] A buffer bin is further arranged below the outlet of the nut bin, the buffer bin is arranged along an inclined surface and extends to the selected channel groove position of the nut front and back face screening mechanism;

[0015] Fourth air blowing channels are further arranged on both sides of the buffer bin, and the fourth air blowing channels blow the nuts to the position of the selected channel groove;

[0016] A first cover plate is arranged on the inclined surface;

[0017] A second cover plate is arranged at the transition position of the inclined surface and the plane;

[0018] A third cover plate is arranged on the plane;

[0019] Corresponding fourth mounting blocks and first mounting blocks are arranged on both sides of the first cover plate at positions corresponding to the fourth air blowing channels and the first air blowing channels, air blowing holes are arranged on the mounting blocks, and air blowing devices are connected to the air blowing holes;

[0020] Second mounting blocks are arranged on both outer sides of the second cover plate corresponding to the plane, air blowing holes are arranged on the second mounting blocks, and air blowing devices are connected to the air blowing holes;

[0021] Third mounting blocks are arranged on both outer sides of the end of the third cover plate, air blowing holes are arranged on the third mounting blocks, and air blowing devices are connected to the air blowing holes;

[0022] Horizontal adjustment screws are arranged at the four corners of the bottom of the bottom plate, the entire structure is fixed to ultrasonic welding equipment or riveting equipment through the four horizontal adjustment screws, and the installation is stable and reliable.

[0023] By adopting the technical scheme, the jig is composed of a nut storage bin, a nut front face screening mechanism and a nut feeding track, accurate and reliable nut feeding is realized along the nut feeding track through air blowing of the bin and the feeding track of the front and back face screening mechanism, and finally the nuts are accurately sent to a welding or riveting carrier through an external conveying mechanism, which ensures that the front and back positions of the batch-fed miniature nuts are suitable for direct ultrasonic welding or riveting, and the miniature nut conveying efficiency is improved. BRIEF DESCRIPTION OF DRAWINGS

[0024] Figure 1 A perspective view structure diagram of the present application Figure One ;

[0025] Figure 2 A perspective view structure diagram of the present application Figure Two (removing the first cover plate, the second cover plate and the third cover plate);

[0026] Figure 3 A flow chart of the nut flow of the present application;

[0027] The names corresponding to the serial numbers in the figure are as follows:

[0028] The feeding seat body 10, the bottom plate 11, the vertical seat body 12, the inclined surface 13, the flat surface 14, the nut bin 20, the nut front and back face screening mechanism 30, the channel groove 31, the guide block 32, the selection channel groove 33, the nut feeding track 40, the wide inlet 41, the guide channel 42, the discharge end 43, the buffer bin 50, the first air blowing channel 60, the second air blowing channel 70, the third air blowing channel 80, the fourth air blowing channel 90, the first cover plate 100, the second cover plate 110, the third cover plate 120, the buffer bin 130.

[0029] The first mounting block 1, the second mounting block 2, the third mounting block 3, the fourth mounting block 4, the horizontal adjusting screw 5. DETAILED DESCRIPTION

[0030] A feeding jig for miniature nuts, in particular implementation, is used for M2 miniature nut conveying.

[0031] It includes a feeding seat body 10, a nut bin 20, a nut front and back face screening mechanism 30, and a nut feeding track 40;

[0032] The feeding seat body 10 includes a bottom plate 11 and a vertical seat body 12, the upper surface of the vertical seat body 12 includes an inclined surface 13 and a flat surface 14,

[0033] The nut front and back face screening mechanism 30 comprises a plurality of groups of spaced channel grooves 31, the starting end of each group of channel grooves 31 is provided with a guide block 32 on both sides, the opposite edges of the two adjacent guide blocks 32 combine to form a selection channel groove 33, the selection channel groove 33 is a structure with the lower part equal to the stud size and the upper part equal to the nut major diameter size, when the nut major diameter part is located in the upper part, it smoothly passes through the selection channel groove and slides down along the channel groove;

[0034] The nut magazine 20 is arranged at a high position of the slope 13, the bottom of the nut magazine 20 is connected to the slope 13, the middle and lower section of the slope 13 is provided with the nut front and back face screening mechanism 30, the two sides of the initial end of the nut front and back face screening mechanism 30 are provided with a first air blowing channel 60, the first air blowing channel 60 turns the position of the nut clamped in the selection channel groove 33 so that the nut falls through the channel groove 31 after being correctly positioned;

[0035] The end of the plane 14 is provided with a nut feeding channel 40, the number of the nut feeding channel 40 is arranged according to the situation, each nut feeding channel 40 comprises a wide inlet 41, a guide channel 42 and an outlet end 43, the front end area of the plane 14 is provided with a buffer bin 50, a plurality of nuts with accurate positions are arranged in the buffer bin 50, the two sides of the buffer bin 50 are provided with a second air blowing channel 70, and the two sides of the nut feeding channel area are provided with a third air blowing channel 80.

[0036] In specific implementation, the number of channel grooves is equal to the number of nut feeding channels, both are four;

[0037] The channel groove 31 comprises a slope part and a plane part, the air blowing area of the second air blowing channel 70 covers the channel groove 31 of the plane part and the area of the buffer bin 50, the second air blowing channel 70 blows the nut into the buffer bin 50 and blows the nut in the buffer bin 50 into the corresponding area of the wide inlet 41;

[0038] The outlet of the nut magazine 20 is further provided with a buffer bin 130, the buffer bin 130 is arranged along the slope 13 and extends to the position of the selection channel groove 33 of the nut front and back face screening mechanism 30;

[0039] The two sides of the buffer bin 130 are further provided with a fourth air blowing channel 90, the fourth air blowing channel 90 blows the nut to the position of the selection channel groove 33.

[0040] In specific implementation, a first cover plate 100 is arranged on the slope 13, a second cover plate 110 is arranged on the transition position between the slope 13 and the plane, and a third cover plate 120 is arranged on the plane 14;

[0041] The first cover plate 100 is provided with corresponding fourth mounting block 4 and first mounting block 1 on both sides corresponding to the position of the fourth blowing channel 90 and the first blowing channel 60, and the mounting block is provided with a blowing hole, and the blowing hole is connected with a blowing device;

[0042] The second cover plate 110 is provided with a second mounting block 2 on both sides corresponding to the plane, and the second mounting block 2 is provided with a blowing hole, and the blowing hole is connected with a blowing device;

[0043] The third cover plate 120 is provided with a third mounting block 3 on both sides of the end, and the third mounting block 3 is provided with a blowing hole, and the blowing hole is connected with a blowing device;

[0044] The bottom plate 11 is provided with a horizontal adjusting screw 5 at the bottom of the four corners, and the whole structure is fixed to the ultrasonic welding device or riveting device through the four horizontal adjusting screws 5, so as to ensure stable and reliable installation.

[0045] In specific implementation, see Figure 3 :

[0046] a. A worker pours the bagged M2 nuts into the nut storage bin;

[0047] b. The M2 nuts flow into the nut front and back screening mechanism along the buffer bin;

[0048] c. The air blowing holes on both sides of the nut front and back screening mechanism start to blow air at a set frequency;

[0049] d. During the blowing process, the nuts with accurate front and back positions are sent to the buffer bin, and the nuts with inaccurate front and back positions cannot pass through;

[0050] e. The front nuts flow into the buffer bin, and then the air pipe of the buffer bin starts to blow air to send the nuts to the discharge end in four tracks;

[0051] f. The air blowing device at the discharge end port starts to blow air to send the nuts to the ultrasonic welding jig.

[0052] This jig is composed of a nut storage bin, a nut front and back screening mechanism, and a nut feeding track. By controlling the blowing of the bin and the feeding track of the front and back screening mechanism, the nuts are accurately and reliably sent out along the nut feeding track. Finally, through the external conveying mechanism, the nuts are accurately sent to the welding or riveting carrier, which ensures that the front and back positions of the batch of sent miniature nuts are suitable for direct ultrasonic welding or riveting, and improves the conveying efficiency of the miniature nuts.

[0053] It will be obvious to a person skilled in the art that the application is not limited to the details of the foregoing exemplary embodiments and can be implemented in other concrete forms without departing from the spirit or essential characteristics of the application. The embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the application being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. No reference signs in the claims should be considered as limiting the scope of the claims to the identity of the reference signs therein.

[0054] Furthermore, it should be understood that although the description is made on the basis of the embodiments, not every embodiment contains only one independent technical solution, and the description of the specification is only for the sake of clarity, and those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that those skilled in the art can understand.

Claims

1. A feeding jig for micro nuts, characterized by, It includes: a feeding seat body, which includes a bottom plate and a vertical seat body, the surface of the vertical seat body includes an inclined surface and a plane, a nut magazine, a nut front and back face screening mechanism, which includes a plurality of groups of spaced-apart channel grooves, both sides of the starting end of each group of channel grooves are respectively provided with guide blocks, the opposite edges of the two adjacent guide blocks combine to form a selection channel groove, the selection channel groove has a lower part equal to the size of the stud and an upper part equal to the size of the nut major diameter, when the nut major diameter part is located in the upper part, it smoothly passes through the selection channel groove and slides down along the channel groove; and a nut feeding track; the nut magazine is arranged at a high position of the inclined surface, the bottom of the nut magazine leads to the inclined surface, the middle and lower segment position of the inclined surface is provided with the nut front and back face screening mechanism, both sides of the initial end of the nut front and back face screening mechanism are provided with first air blowing channels, the first air blowing turns over the position of the nut clamped in the selection channel groove so that the nut falls through the channel groove after being correctly positioned; the end of the plane is provided with a nut feeding channel, the number of the nut feeding channels is arranged according to the situation, each of the nut feeding channels includes a wide inlet, a guide channel and an outlet end, the front end area of the plane is provided with a buffer warehouse, a plurality of nuts accurately arranged in position are arranged in the buffer warehouse, both sides of the buffer warehouse are provided with second air blowing channels, and both sides of the area of the nut feeding channel are provided with third air blowing channels.

2. The feeder jig for micro nuts according to claim 1, wherein: The number of the channel grooves is equal to the number of the nut feeding channels.

3. The feeder jig for micro nuts according to claim 2, wherein: The channel groove includes an inclined surface part and a plane part, the air blowing area of the second air blowing channel covers the channel groove of the plane part and the area of the buffer warehouse, the second air blowing channel blows the nut into the buffer warehouse and blows the nut in the buffer warehouse into the corresponding area of the wide inlet.

4. The feeder jig for micro nuts according to claim 3, wherein: The outlet of the nut magazine is further provided with a buffer warehouse, the buffer warehouse is arranged along the inclined surface and extends to the position of the selection channel groove of the nut front and back face screening mechanism.

5. The feeder jig for micro nuts according to claim 4, wherein: Both sides of the buffer warehouse are further respectively provided with fourth air blowing channels, the fourth air blowing channels blow the nut to the position of the selection channel groove.

6. The feeder jig for micro nuts according to claim 5, wherein: A first cover plate is arranged on the inclined surface, a second cover plate is arranged on the transition position between the inclined surface and the plane, and a third cover plate is arranged on the plane.

7. The feeder jig for micro nuts according to claim 6, wherein: Corresponding fourth mounting blocks and first mounting blocks are respectively arranged on both sides of the first cover plate at positions corresponding to the fourth air blowing channels and the first air blowing channels, air blowing holes are arranged on the mounting blocks, and air blowing devices are connected to the air blowing holes.

8. The feeder jig for micro nuts according to claim 7, wherein: Second mounting blocks are respectively arranged on both outer sides of the second cover plate corresponding to the plane, air blowing holes are arranged on the second mounting blocks, and air blowing devices are connected to the air blowing holes.

9. The feeder jig for micro nuts according to claim 8, wherein: Third mounting blocks are respectively arranged on both outer sides of the end of the third cover plate, air blowing holes are arranged on the third mounting blocks, and air blowing devices are connected to the air blowing holes.

10. The feeder jig for micro nuts of claim 1, wherein: Horizontal adjustment screws are arranged at the four corners of the bottom of the bottom plate, and the entire structure is fixed to the ultrasonic welding device or the riveting device through the four horizontal adjustment screws.

Images