CN217675203U - Press-riveting nut blanking device - Google Patents

Abstract

The utility model discloses a press and rivet nut unloader, which comprises a frame and a collecting box, install down the hopper in the frame, the material says one, the material says two, the material says three and pushing equipment, the material says one and the material says two and corresponds respectively and open have with press rivet nut external diameter assorted recess one and recess two, the material says one and the material says two connects gradually and the slope sets up downwards, the material says that one side is opened there is the breach one that communicates with recess one, and breach one is connected with the discharge gate of hopper down, open recess two bottoms have with knurling tooth external diameter assorted recess three, the lateral wall height of recess two is the same with the height of pressing rivet nut, the material is said that two sides are opened has the breach two that communicates with recess two, and breach two is said with the material and is connected with the pan feeding mouth of three, pushing equipment's output is provided with the pawl that can act on knurling tooth external diameter, the collecting box is placed at the slope end that the material was said two. Adopt the utility model discloses, realized the function of the automatic unloading of pressure riveting nut, no human error saves artifical blowing time, improves work efficiency.

Description

Press-riveting nut blanking device

Technical Field

The utility model relates to a sheet metal component equipment technical field especially relates to a press and rivet nut unloader.

Background

The press riveting nut is also called a riveting nut and a self-fastening nut, is a nut applied to a thin plate or a metal plate, and is cylindrical as shown in figure 1, and one end of the press riveting nut is provided with embossing teeth and a guide groove. The principle is that the embossing teeth are pressed into the preset hole positions of the metal plate, generally, the aperture of the preset hole is slightly smaller than the embossing teeth of the pressing rivet nut, the embossing teeth of the pressing rivet nut are extruded into the plate through pressure, the periphery of the hole is caused to generate plastic deformation, and a deformed object is extruded into the guide groove, so that the locking effect is generated.

The existing installation mode of the pressure riveting nut is as follows: one pressure rivet nut is grabbed manually, and the pressure rivet nut is turned, so that the embossing teeth of the pressure rivet nut are positioned on the upper part, and finally, the pressure rivet nut is put into a tool of riveting equipment, and the defects of the pressure rivet nut are as follows: the operation is loaded down with trivial details, efficiency is slow, because manual operation can appear human error occasionally in addition for the mistake is put to the direction of pressure riveting nut, and the knurling tooth is located the lower part promptly, just so need spend time with pressure riveting nut from taking out in the frock.

Disclosure of Invention

The utility model aims to solve the technical problem that a press rivet nut unloader is provided, realized the function of the automatic unloading of press rivet nut, the artificial error of no, save artifical blowing time, improve work efficiency.

In order to solve the technical problem, the utility model provides a press rivet nut unloader, including frame and collecting box, install down hopper, material way one, material way two, material way three and pushing equipment in the frame, down the hopper is used for holding and adorns and presses rivet nut, and material way one is opened has and presses rivet nut external diameter assorted recess one, and material way two is opened has and presses rivet nut external diameter assorted recess two, and material way one and material way two connect gradually and incline and set up downwards, and material way one side is opened has the breach one that communicates with recess one, and breach one is connected with the discharge gate of hopper down, and recess two bottoms open have with knurling tooth external diameter assorted recess three, and the lateral wall height of recess two is the same with the height of pressing rivet nut, and material way both sides are opened has the breach two that communicate with recess two, and breach two is connected with the pan feeding mouth that material was said three, pushing equipment's output is provided with the pawl that can act on knurling tooth external diameter for correct rivet nut on recess two is pushed to material way three through putting two, the terminal slope that puts two say and put the collecting box.

Wherein, hopper includes guide board, workbin and vibration mechanism down, the workbin is installed in the frame, and the workbin has the bottom plate that the slope set up, and the workbin lateral wall is opened to have and is let to be in the level and put the breach three that the pressure riveting nut under the state passes through, and breach three is close to bottom plate slope lower extreme, the slope of guide board sets up in the frame, and the upper end and the breach three of guide board are connected, and its lower extreme is connected with breach one, vibration mechanism installs in the frame, and is used in on the bottom plate.

Wherein, a plurality of springs are arranged between the feed box and the rack.

Wherein, be equipped with more than two slides in the guide board.

The vibration mechanism comprises a driving motor arranged on the rack and a cam connected with an output shaft of the driving motor, and the cam can act on the bottom plate.

The pushing equipment is characterized in that the pushing mechanism further comprises a pushing component, the pushing claw comprises a first barrier strip, a push plate and a second barrier strip which are sequentially connected, the push plate is connected with the output end of the pushing component and acts on the outer diameter of the embossing tooth, the first barrier strip is fixed on one side, close to the first material channel, of the push plate and connected, and the second barrier strip is fixed on one side, far away from the first material channel, of the push plate and connected.

Wherein, pushing equipment is still including installing release subassembly in the frame is with install on the material way two and be used for preventing to put the blend stop three that the correct pressure rivet nut continues the landing, the pusher dog is including consecutive blend stop one and push pedal, and the push pedal is connected with the output of releasing the subassembly, and blend stop one is fixed and is connected near one side of material way one in the push pedal, and the blend stop tribit is connected in one side that the material way was kept away from in the push pedal.

Wherein, the push-out component is an electric push rod.

Implement the utility model has the advantages that: under the action of the blanking hopper, the pressure riveting nuts are continuously and orderly arranged in the first groove of the first material channel, the third groove is further formed in the second groove of the second material channel, the purpose of distinguishing the correctly placed pressure riveting nuts from the wrongly placed pressure riveting nuts is achieved, finally, the correctly placed pressure riveting nuts are pushed into the third material channel under the action of the material pushing mechanism, and the wrongly placed pressure riveting nuts fall into the collecting box. The automatic blanking function of the press riveting nut is realized, no human error exists, the manual blanking time is saved, and the working efficiency is improved.

Drawings

FIG. 1 is a front view of a clinch nut;

fig. 2 is a front view of a pressing rivet nut blanking device provided by the utility model;

fig. 3 is a side view of a pressing rivet nut blanking device provided by the present invention;

fig. 4 is a top view of a pressing rivet nut blanking device provided by the present invention;

fig. 5 is a cross-sectional view of a first material channel in the blanking device for the press-riveting nut provided by the utility model;

fig. 6 is a cross-sectional view of a material channel in the blanking device for the press-riveting nut provided by the utility model;

fig. 7 is a schematic view of placing the rivet nuts in the second material channel in the rivet nut pressing and discharging device provided by the present invention;

fig. 8 is a top view of a first technical solution of a material pushing mechanism in the blanking device for press-riveting nuts according to the present invention;

fig. 9 is a second technical scheme plan view of the pushing mechanism in the pressing rivet nut blanking device provided by the utility model.

In the figure: 1. a frame; 2. a collection box; 3. a feeding hopper; 31. a guide plate; 311. a slideway; 32. a material box; 321. a base plate; 322. a third gap; 33. a vibration mechanism; 331. a drive motor; 332. a cam; 4. a first material channel; 41. a first groove; 42. a first gap is formed; 5. a second material channel; 51. a second groove; 52. a third groove; 53. a second gap; 6. a material channel III; 7. a material pushing mechanism; 71. a push claw; 711. a first barrier strip; 712. pushing a plate; 713. a second blocking strip; 72. a push-out assembly; 73. a barrier strip III; 8. a spring.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

In this embodiment, referring to fig. 1, the outer diameter of the pressure rivet nut body is referred to as a pressure rivet nut outer diameter, the height of the pressure rivet nut body (not including the embossed teeth and the guide grooves) is the height of the pressure rivet nut, the outer diameter of the embossed teeth on the pressure rivet nut is referred to as an embossed teeth outer diameter, and the heights of the embossed teeth and the guide grooves are the pressure rivet height of the pressure rivet nut. The arrangement of the embossing teeth of the pressure riveting nut is correct when the embossing teeth are positioned on the upper part, and the arrangement of the embossing teeth of the pressure riveting nut is wrong when the embossing teeth are positioned on the lower part. Referring to fig. 2-9, the utility model relates to a press-riveting nut blanking device, which comprises a frame 1 and a collecting box 2, wherein the frame 1 is provided with a blanking hopper 3, a first material channel 4, a second material channel 5, a third material channel 6 and a pushing mechanism 7, the blanking hopper 3 is used for bearing and loading press-riveting nuts, referring to fig. 5 and 6, the first material channel 4 is provided with a first groove 41 matched with the outer diameter of the press-riveting nuts, the second material channel 5 is provided with a second groove 51 matched with the outer diameter of the press-riveting nuts, the first material channel 4 and the second material channel 5 are sequentially connected and obliquely arranged downwards, the side edge of the first material channel 4 is provided with a first gap 42 communicated with the first groove 41, the first gap 42 is connected with a discharge port of the blanking hopper 3, the press-riveting nuts slide into the first groove 41 from the blanking hopper 3 and slide down to the second groove 51 along the first groove 41, the bottom of the second groove 51 is provided with a third groove 52 matched with the outer diameter of the embossing teeth, the height of the side wall of the second groove 51 is the same as that of the rivet pressing nut, the embossing teeth of the rivet pressing nut which is wrongly placed fall into the third groove 52, as shown in fig. 7, the top surface of the rivet pressing nut which is wrongly placed is lower than that of the rivet pressing nut which is correctly placed, the side edge of the second material channel 5 is provided with a second notch 53 communicated with the second groove 51, the second notch 53 is connected with the material inlet of the third material channel 6, the output end of the pushing mechanism 7 is provided with a pushing claw 71 capable of acting on the outer diameter of the embossing teeth, the rivet pressing nut which is correctly placed on the second groove 51 is pushed to the third material channel 6 through the second notch 53, the collecting box 2 is placed at the inclined tail end of the second material channel 5, and the rivet pressing nut which is wrongly placed continues to slide down to the collecting box 2. It should be noted that one side of the material channel three 6, which is far away from the material channel two 5, is tightly attached to the edge of the tool, and the top surface of the material channel three 6 and the top surface of the tool are on the same horizontal plane, so that the material pushing mechanism 7 can push the rivet pressing nut of the material channel three 6 into the tool, and riveting work is not affected.

The utility model provides a theory of operation as follows: put into hopper 3 down with the pressure-riveting nut, the pressure-riveting nut is because of dead weight landing to material way 4 in recess 41, the correct is put in recess 41 to some pressure-riveting nut pendulum, another part pressure-riveting nut then puts the mistake in recess 41, pressure-riveting nut down the landing in recess 41 in proper order, when pressure-riveting nut slips into recess two 51 in, put the correct pressure-riveting nut and continue down sliding, put wrong pressure-riveting nut then for putting the correct pressure-riveting nut and sink, put the knurling tooth of wrong pressure-riveting nut and fall into in recess three 52 promptly. When the correctly placed press riveting nut passes through the second notch 53, the press riveting nut can stop sliding under the action of the pushing mechanism 7, the push claw 71 is arranged on the outer diameter of the embossing teeth under the action of the push claw 71, the push claw 71 is driven by the pushing mechanism 7 to push the press riveting nut into the third material channel 6, and the push nut is assisted to be pushed into the tool; when the pressure riveting nut with the wrong placement passes through the second notch 53, the pressure riveting nut continues to slide down along the second groove 51 until the pressure riveting nut slides into the collecting box 2, and finally, a worker can put the pressure riveting nut in the collecting box 2 into the discharging hopper 3 again. The automatic blanking function of the press riveting nut is realized, no human error exists, the manual blanking time is saved, and the working efficiency is improved.

For realizing down the automatic unloading of the pressure riveting nut in hopper 3 to material way 4 on, refer to 2, 3, 4, down hopper 3 is including guide board 31, workbin 32 and vibration mechanism 33, workbin 32 installs in frame 1, and workbin 32 has the bottom plate 321 that the slope set up, and workbin 32 lateral wall is opened and is let the breach three 322 that the pressure riveting nut under the state of putting in the level passes through, and breach three 322 is close to bottom plate 321 slope lower extreme, and the width of breach three 322 is big than the external diameter of pressure riveting nut promptly, and the height of breach three 322 is big than the total height of pressure riveting nut, and highly is little than the external diameter of pressure riveting nut. Guide plate 31 slope sets up in frame 1, and guide plate 31's upper end is connected with three 322 in the breach, and its lower extreme is connected with a 42 in the breach, vibration mechanism 33 installs in frame 1, and is used in on bottom plate 321 for workbin 32 vibrates, and the pressure rivet nut smoothly passes through three 322 in the breach and slides to material way on 4.

In order to improve the blanking effect of the material box 32, referring to fig. 4, springs 8 are arranged between the material box 32 and the frame 1, the number of the springs 8 is preferably four, and the springs 8 have a buffering effect to improve the vibration effect of the material box 32.

In order to ensure that the clinch nuts continuously slide down from the discharge hopper 3 to the first material channel 4, referring to fig. 3, more than two slide ways 311 are arranged in the guide plate 31. Specifically, the number of the slide ways 311 is preferably six, and the width of the notch three 322 is the width of the guide plate 31. Set up many slides 311, improve the load of workbin 32, and the mutual noninterference of the pressure rivet nut on every slide 311, when a certain three 322 certain position in a certain breach is plugged up by the pressure rivet nut, the usable pin of workman stabs the pressure rivet nut through three 322 in the breach for the card takes place to remove in the position of the pressure rivet nut of three 322 in the breach, reaches the purpose of mediation three 322 in the breach, the pressure rivet nut through three 322 smooth landing to the slide 311 that corresponds in the breach.

In order to realize the continuous vibration of the bin 32, referring to fig. 4, the vibration mechanism 33 includes a driving motor 331 mounted on the frame 1 and a cam 332 connected to an output shaft of the driving motor 331, the cam 332 can act on the bottom plate 321, the driving motor 331 drives the cam 332 to rotate, and a cambered surface of the cam 332 away from a rotation axis line regularly acts on the bottom plate 321, so that the bin 32 continuously vibrates and material blockage is avoided.

In order to realize that the pushing mechanism 7 drives the pushing claw 71 to push the correctly placed rivet pressing nut into the material channel three 6, the pushing mechanism 7 in the embodiment has two technical schemes:

the first technical scheme is as follows: referring to fig. 8, the pushing mechanism 7 further includes a pushing assembly 72 mounted on the frame 1, the pushing claw 71 includes a first blocking strip 711, a pushing plate 712 and a second blocking strip 713 that are connected in sequence, the first blocking strip 711, the pushing plate 712 and the second blocking strip 713 are in the same plane, the pushing plate 712 is connected with the output end of the pushing assembly 72 and acts on the outer diameter of the embossing tooth, the first blocking strip 711 is fixed on one side of the pushing plate 712 close to the first material channel 4 and connected, and the second blocking strip 713 is fixed on one side of the pushing plate 712 far from the first material channel 4 and connected. When the correctly placed press-riveting nut passes through the second notch 53, the embossing teeth of the press-riveting nut stay at the second notch 53 under the action of the second barrier rib 713, the push-out component 72 drives the push plate 712 to move forwards, the push claw 71 pushes the embossing teeth so as to push the press-riveting nut into the third material channel 6, and at the moment, when the next press-riveting nut is also correctly placed, the next press-riveting nut stops sliding under the action of the first barrier rib 711; but when the next pressure rivet nut misplaces, because the knurling tooth of putting wrong pressure rivet nut is located three 52 of recesses, the position of this pressure rivet nut can't be injectd to the baffle one, consequently puts wrong pressure rivet nut and can continue down the landing, until falling into collecting box 2 in.

The second technical scheme is as follows: referring to fig. 9, the pushing mechanism 7 further includes a pushing-out component 72 installed on the frame 1 and a barrier strip three 73 installed on the material channel two 5 and used for preventing the placing of the correct rivet pressing nut from sliding continuously, the barrier strip three 73 abuts against the embossing teeth for placing the correct rivet pressing nut, the pushing claw 71 includes a barrier strip one 711 and a pushing plate 712 which are connected in sequence, the pushing plate 712 is connected with the output end of the pushing-out component 72, the barrier strip one 711 is fixed on one side of the pushing plate 712 close to the material channel one 4 and is connected with the pushing plate 712, and the barrier strip three 73 is located on one side of the pushing plate 712 far away from the material channel one 4 and is connected with the pushing plate 712. When the correctly placed press-riveting nut passes through the second notch 53, the embossing teeth of the press-riveting nut stay at the second notch 53 under the action of the third barrier strip 73, the push-out component 72 drives the push plate 712 to move forwards, the push claw 71 pushes the embossing teeth to further push the press-riveting nut into the third material channel 6, and at the moment, when the next press-riveting nut is also correctly placed, the next press-riveting nut stops sliding under the action of the first barrier strip 711; however, when the next rivet pressing nut is placed wrongly, the embossing teeth of the rivet pressing nut which is placed wrongly are located in the third groove 52, the position of the rivet pressing nut cannot be limited by the first baffle and the third barrier strip 73, and therefore the rivet pressing nut which is placed wrongly can continuously slide downwards until the rivet pressing nut falls into the collection box 2.

In order to realize that the pushing assembly 72 drives the pushing claw 71 to move forwards, and the pushing claw 71 pushes the correctly placed rivet pressing nut into the tool sequentially through the second notch 53 and the third material channel 6, the pushing assembly 72 is preferably an electric push rod, and the structure is simple and convenient to use. An extension rod of the electric push rod is connected with the push claw 71 to push the push claw 71 to move forwards.

The above, only be the embodiment of the preferred of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, which are designed to be replaced or changed equally, all should be covered within the protection scope of the present invention.

Claims (8)

1. A blanking device for a press rivet nut is characterized by comprising a rack (1) and a collecting box (2), wherein a blanking hopper (3), a first material channel (4), a second material channel (5), a third material channel (6) and a material pushing mechanism (7) are installed on the rack (1), the blanking hopper (3) is used for bearing the press rivet nut, the first material channel (4) is provided with a first groove (41) matched with the outer diameter of the press rivet nut, the second material channel (5) is provided with a second groove (51) matched with the outer diameter of the press rivet nut, the first material channel (4) and the second material channel (5) are sequentially connected and obliquely and downwards arranged, the side edge of the first material channel (4) is provided with a first notch (42) communicated with the first groove (41), the first notch (42) is connected with a discharge hole of the blanking hopper (3), the bottom of the second groove (51) is provided with a third groove (52) matched with the outer diameter of an embossing tooth, the side wall of the second groove (51) is as high as the press rivet nut, the second groove (51) is communicated with the outer diameter of the second groove (51), the second groove (51) is provided with the outer diameter of the pressing rivet nut, the pressing claw (7) through a pressing claw (7), the pressing claw (71), the second notch (7), the pressing claw (7) is arranged on the side edge of the pressing rivet nut, the pressing mechanism, the riveting claw (7), the collecting box (2) is placed at the inclined tail end of the second material channel (5).

2. The blanking device for the press riveting nuts according to claim 1, wherein the blanking hopper (3) comprises a guide plate (31), a bin (32) and a vibration mechanism (33), the bin (32) is mounted on the frame (1), the bin (32) is provided with a bottom plate (321) which is obliquely arranged, the side wall of the bin (32) is provided with a notch III (322) through which the press riveting nuts in a horizontally placed state pass, the notch III (322) is close to the oblique lower end of the bottom plate (321), the guide plate (31) is obliquely arranged on the frame (1), the upper end of the guide plate (31) is connected with the notch III (322), the lower end of the guide plate is connected with the notch I (42), and the vibration mechanism (33) is mounted on the frame (1) and acts on the bottom plate (321).

3. A device for blanking clinch nuts as claimed in claim 2, characterised in that springs (8) are arranged between the magazine (32) and the frame (1).

4. A blanking device for clinch nuts according to claim 2, characterized in that more than two runners (311) are provided in the guide plate (31).

5. A device for blanking clinch nuts as claimed in claim 2, characterized in that the oscillating mechanism (33) comprises a drive motor (331) mounted on the frame (1) and a cam (332) connected to the output shaft of the drive motor (331), the cam (332) being able to act on the base plate (321).

6. The blanking device for the press-riveting nut according to claim 1, wherein the pushing mechanism (7) further comprises a pushing-out component (72), the pushing claw (71) comprises a first barrier strip (711), a pushing plate (712) and a second barrier strip (713) which are sequentially connected, the pushing plate (712) is connected with the output end of the pushing-out component (72) and acts on the outer diameter of the embossing tooth, the first barrier strip (711) is fixed on one side of the pushing plate (712) close to the first material channel (4) and connected with the one side of the pushing plate (712) far away from the first material channel (4), and the second barrier strip (713) is fixed on one side of the pushing plate (712) far away from the first material channel (4) and connected with the one side.

7. The blanking device for the press riveting nuts according to claim 1, wherein the pushing mechanism (7) further comprises a pushing assembly (72) installed on the rack (1) and a blocking strip III (73) installed on the material channel II (5) and used for preventing the correctly placed press riveting nut from continuously sliding down, the pushing claw (71) comprises a blocking strip I (711) and a pushing plate (712) which are sequentially connected, the pushing plate (712) is connected with the output end of the pushing assembly (72), the blocking strip I (711) is fixed on one side, close to the material channel I (4), of the pushing plate (712) and connected, and the blocking strip III (73) is located on one side, far away from the material channel I (4), of the pushing plate (712) and connected.

8. Device for blanking clinch nuts according to claim 6 or 7, characterised in that the pushing-out assembly (72) is an electric push rod.

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