CN211660909U

CN211660909U - Press riveting nut feeding mechanism and press riveting machine comprising same

Info

Publication number: CN211660909U
Application number: CN201922212409.0U
Authority: CN
Inventors: 张慧新; 田金峰; 陈雨; 赵帅旗; 单银龙
Original assignee: Zhengzhou Yatong Auto Parts Co ltd
Current assignee: Zhengzhou Yatong Auto Parts Co ltd
Priority date: 2019-12-11
Filing date: 2019-12-11
Publication date: 2020-10-13
Anticipated expiration: 2029-12-11

Abstract

The utility model relates to a riveting equipment technical field especially relates to a press and rivet nut feeding mechanism and include its squeeze riveter, press and rivet nut feeding mechanism including being equipped with the pay-off spout and pressing the pay-off piece of riveting the spout, the pressure is riveted the spout and is located the right-hand member of pay-off spout, the downside of pay-off piece corresponds the position department of pressing and riveting the spout be equipped with one end with the pay-off piece is articulated, the other end to press and rivet the interior overhang of spout and follow upper and lower direction pivoted supporting shoe, the pay-off piece with be equipped with between the supporting shoe and be used for the elastic support that makes of the overhang end of supporting shoe thereby the overhang end supports and is located press and rivet the spring of bolt in the spout. The utility model discloses can not take place the card problem of dying, solve among the prior art because of the dead reason of slip card leads to pressing the problem of riveting nut pay-off failure.

Description

Press riveting nut feeding mechanism and press riveting machine comprising same

Technical Field

The utility model relates to a riveting equipment technical field especially relates to a nut feeding mechanism is riveted to pressure and press riveter including it.

Background

The squeeze riveter is common riveting equipment in machining, and the squeeze riveter nut is also a commonly used riveting piece simultaneously, and when the squeeze riveter nut is embedded into panel with the squeeze riveter, need place the squeeze riveter nut to the position department that corresponds the squeeze riveter head, traditional method of placing is that the workman places by hand, but because factors such as intensity of labour is big, inefficiency are gradually replaced by dedicated feeding mechanism.

The existing feeding mechanism is as the squeeze riveter disclosed in the chinese patent document with the publication number CN208556608U, the squeeze riveter comprises a feeding mechanism, the feeding mechanism comprises a horizontal feeding slide way, a vertical feeding slide way and a support column, the vertical feeding slide way mechanism comprises a fixed sleeve, and the circle center of the fixed sleeve and the circle center of the squeeze riveter head are located on the same vertical line, the vertical feeding slide way further comprises a limit sleeve fixed on the fixed sleeve, the limit sleeve comprises a slide rod connected with the fixed sleeve in a sliding manner, a limit block is fixed on the part of the slide rod extending into the fixed sleeve, a limit ring is connected on the slide rod in a threaded manner, a spring is sleeved on the slide rod, one end of the spring is abutted against the limit ring, and the other end of the spring is abutted. This technical scheme in use, probably appear because of lubricated not enough or other reasons make slide bar, stopper dead with fixed cover mutual card when receiving the extrusion to the unable whereabouts of riveting nut causes the pay-off failure.

SUMMERY OF THE UTILITY MODEL

The utility model provides a press and rivet nut feeding mechanism to solve prior art and lead to pressing the problem of riveting nut pay-off failure because of stopper and fixed cover card are died easily. Still provide simultaneously one kind and include the squeeze riveter of above-mentioned squeeze riveter nut feeding mechanism.

The utility model discloses a press rivet nut feeding mechanism adopts following technical scheme:

the utility model provides a nut feeding mechanism is riveted in pressure, is including being equipped with the pay-off spout that extends along left right direction and the kickoff block of riveting the spout along the pressure that extends from top to bottom, the kickoff is riveted the spout and is located the right-hand member of pay-off spout, the downside of kickoff block corresponds the position department of riveting the spout is equipped with one end with the kickoff block is articulated, the other end to overhang in the pressure riveting spout and follow upper and lower direction pivoted supporting shoe, the kickoff block with be equipped with between the supporting shoe and be used for upwards elastic support thereby the overhang end of supporting shoe makes the overhang end supports and is located the spring of riveting the bolt in the pressure riveting spout.

A linkage block is arranged on the upper side surface of the feeding block, one end of the linkage block is positioned on the right side of the press riveting sliding chute and hinged with the feeding block, and the other end of the linkage block extends leftwards and is positioned on the left side of the press riveting sliding chute, the hinged end of the supporting block is provided with a pushing part extending towards the direction far away from the overhanging end of the supporting block, the feeding block is provided with a through hole which extends along the vertical direction and one end of which corresponds to the pushing part and the other end of which corresponds to the linkage block, a pushing column is assembled in the through hole in a sliding manner, the lower end of the pushing column is in pushing fit with the pushing part, the upper end of the pushing column extends out of the upper end of the feeding block and is in pushing fit with the linkage block, the left end of the linkage block is provided with a blocking block which is inserted into the feeding chute downwards, and the feeding block is provided with an air hole which is used for blowing air to the part of the feeding chute, which is positioned on the right side of the blocking block, so as to drive the pressure riveting bolt to move towards the pressure riveting chute.

And a spring for driving a blocking block of the linkage block to be downwards inserted into the feeding chute is arranged between the linkage block and the supporting block.

The linkage block is of a plate-shaped structure and is positioned above the press riveting sliding groove, and through holes for corresponding press riveting heads to penetrate through are formed in the positions, corresponding to the upper portion and the lower portion of the press riveting sliding groove, of the linkage block.

The stop block is of a wedge-shaped structure with a large upper part and a small lower part, the vertical surface of the stop block is close to the pressure riveting sliding groove, and the inclined surface of the stop block is far away from the pressure riveting sliding groove.

The supporting shoe is equipped with two and all extends along the fore-and-aft direction, and two supporting shoes are relative in the fore-and-aft direction simultaneously the spout symmetry sets up is riveted to the pressure.

And the feeding block is provided with a shielding plate for covering the feeding chute.

The utility model discloses a squeeze riveter adopts following technical scheme:

the utility model provides a squeeze riveter, includes the frame and sets up to overhang in the squeeze riveter in the frame, still be equipped with the nut feeding mechanism that rivets that presses that is used for carrying the pressure rivet nut in the frame of squeeze riveter below, press the nut feeding mechanism including be equipped with along the feeding spout that left right direction extended and along the feed block of the spout that rivets of top and bottom direction extension, the spout is riveted in the pressure is located the right-hand member of feeding spout, the downside of feed block corresponds the position department of pressure riveting spout is equipped with one end with the feed block is articulated, the other end to the support block that overhangs and rotate along the top and bottom direction in the pressure riveting spout, the feed block with be equipped with between the support block and be used for upwards elastic support thereby the overhang end of support block makes the overhang end supports and is located the spring of the pressure riveting bolt in the pressure riveting spout.

The linkage block is of a plate-shaped structure and is positioned above the press riveting sliding groove, and a through hole for a press riveting head to penetrate through is formed in the position, corresponding to the upper portion and the lower portion of the press riveting sliding groove, of the linkage block.

The utility model has the advantages that: the utility model replaces the sliding rod and the limiting block in the prior art with the supporting block arranged at the lower side surface of the feeding block, the overhanging end of the supporting block can rotate up and down around the hinged end, so that the supporting block supports the rivet pressing nut positioned in the rivet pressing chute under the support of the spring when not in rivet pressing, when the rivet pressing head presses the rivet pressing nut, the overhanging end of the supporting block rotates around the hinged end under the downward pressure, the rivet pressing nut is completely separated from the supporting block after the supporting block rotates to a certain angle, the rivet pressing screw is riveted to the workpiece by the rivet pressing head at the moment, then along with the upward return of the rivet pressing head, the supporting block returns upward under the action of the spring to prepare for supporting the next rivet pressing nut, and in the whole process, the problem of blocking can not occur because the supporting block is in the rotating motion rather than the sliding motion between the sliding rod, the limiting block and the fixed sleeve in the prior art, the problem of prior art lead to the pressure rivet nut pay-off failure because of slide bar, stopper and fixed cover card are died is solved.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.

Fig. 1 is a schematic structural diagram of an embodiment of a squeeze riveter according to the present invention;

FIG. 2 is a front view of the clinch nut feed mechanism of FIG. 1 (not clinched);

FIG. 3 is a top view corresponding to FIG. 2;

FIG. 4 is a bottom view corresponding to FIG. 2;

FIG. 5 is a right side view corresponding to FIG. 2;

FIG. 6 is a corresponding perspective view of FIG. 1;

FIG. 7 is a schematic view of the corresponding internal structure of FIG. 2;

FIG. 8 is a schematic view of a press riveting operation state corresponding to FIG. 2;

FIG. 9 is a schematic view of the corresponding internal structure of FIG. 8;

in the figure: 1. a frame; 11. pressing a riveting seat; 112. a guide post; 12. pressing the riveting head; 2. a workpiece; 3. a rivet pressing nut feeding mechanism; 31. a feeding block; 311. air holes; 32. a shielding plate; 33. a linkage block; 331. a blocking block; 332. a first hinge post; 333. a first torsion spring; 334. a first through hole; 34. pushing the column; 35. a support block; 351. a pushing part; 352. a second hinge post; 353. a second torsion spring; 36. a feeding chute; 37. pressing and riveting the sliding chute; 4. and (6) pressing and riveting the nut.

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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

The embodiment of the utility model relates to a squeeze riveter, as shown in fig. 1 to fig. 9, a squeeze riveter comprises a frame 1 and two squeeze riveters 12 which are arranged on the frame 1 in a downward overhanging manner, a squeeze riveter feeding mechanism 3 for conveying squeeze riveters 4 and a squeeze riveter seat 11 for supporting a workpiece 2 are respectively arranged on the frame 1 below the two squeeze riveters 12, the squeeze riveter feeding mechanism 3 comprises a feeding block 31 which is provided with a feeding chute 36 extending along the left-right direction and a squeeze riveter chute 37 extending along the up-down direction, the squeeze riveter chute 37 is arranged at the right end of the feeding chute 36, a spring which is hinged with the feeding block 31 at the position of the lower side surface of the feeding block 31 corresponding to the squeeze riveter chute 37 and has one end overhanging and rotating supporting block 35 along the up-down direction, the overhanging end of the supporting block 35 is arranged between the feeding block 31 and the supporting block 35 for elastically supporting the overhanging end of the supporting block 35 so as to support the overhanging end of the squeeze riveter bolt in the squeeze riveter chute 37, the feed block 31 is provided with a shielding plate 32 for covering the feed chute 36.

The upper side surface of the feeding block 31 is provided with a linkage block 33, one end of the linkage block 33 is positioned at the right side of the pressure riveting chute 37 and hinged with the feeding block 31, one end of the linkage block 33 extends leftwards and is positioned at the left side of the pressure riveting chute 37, the hinged end of the supporting block 35 is provided with a pushing part 351 extending towards the direction far away from the overhanging end of the supporting block 35, the feeding block 31 is provided with a pushing part 351 extending along the vertical direction and one end of the pushing part corresponds to the pushing part 351, the other end of the linkage block 33 corresponds to the through hole of the linkage block, a pushing column 34 is assembled in the through hole in a sliding mode, the lower end of the pushing column 34 is in pushing fit with the pushing part 351, the upper end of the pushing column extends out of the upper end of the feeding block 31 and is in pushing fit with the linkage block 33, a blocking block 331 which is downwards inserted into the feeding chute 36 to block continuous conveying of the feeding chute 36 is arranged at the left end of the linkage block 33, and an air hole 311 which is used for blowing air to the part, located on the right side of the blocking block 331, of the feeding chute 36 to drive the rivet pressing bolt to move towards the rivet pressing chute.

A spring for driving the blocking piece 331 of the linkage piece 33 to be inserted downward into the feeding chute 36 is provided between the linkage piece 33 and the supporting block 35. In this embodiment, the linkage block 33 and each supporting block 35 are all connected with the feeding block 31 through the hinged rod, the spring is a torsion spring inserted on each hinged rod, specifically, the linkage block 33 is hinged with the feeding block 31 through the first hinged column 332, the torsion spring on the first hinged column 332 is the first torsion spring 333, the first torsion spring 333 provides restoring force for the linkage block 33, each supporting block 35 is hinged with the feeding block 31 through the second hinged column 352, the torsion spring on the second hinged column 352 is the second torsion spring 353, and the second torsion spring 353 provides restoring force for the corresponding supporting block 35. In other embodiments, the springs may be extension springs or compression springs respectively disposed between the linkage block 33 and the feeding block 31 and between each support block 35 and the feeding block 31.

In this embodiment, the linkage block 33 is a plate-shaped structure and is located above the press-riveting sliding groove 37, a through hole through which the press-riveting head 12 passes is provided at a position of the linkage block 33 corresponding to the upper and lower portions of the press-riveting sliding groove 37, the through hole is a first through hole 334, and the blocking block 331 is a wedge-shaped structure with a large upper portion and a small lower portion, a vertical surface close to the press-riveting sliding groove 37, and an inclined surface far away from the press-riveting sliding groove 37.

In other embodiments, the linkage block can also be a plate which extends along the left and right directions and is arranged at two sides of the pressure riveting sliding groove, a blocking block inserted into the feeding sliding groove is arranged at the left end of the plate, and the blocking block can also be in other shapes.

In this embodiment, two supporting blocks 35 are provided and extend along the front-rear direction, and meanwhile, the two supporting blocks 35 are symmetrically arranged relative to the press-riveting sliding groove 37 in the front-rear direction, and two pushing posts 34 are correspondingly arranged. In other embodiments, a support block may be provided.

In the present exemplary embodiment, the space between the stop 331 and the clinch runner 37 can accommodate only two clinch nuts 4. In other embodiments, the method can be set according to actual needs.

In the present embodiment, the lower end of the clinch head 12 is provided with a guide post 112 for guiding the clinch nut 4.

In other embodiments, a rivet pressing nut detection device can be further arranged on one side, opposite to the feeding chute, of the rivet pressing chute so as to detect whether the rivet pressing nut is blown in place by high-pressure air.

The riveting machine can also be provided with the conventional workpiece conveying equipment matched with the riveting machine, the feeding chute 36 can be connected with a vibrator, the vibrator generates vibration to enable the riveting nut 4 to move towards the riveting chute 37 in the feeding chute 36, and the riveting nut 4 can also move in a gravity conveying mode from top to bottom, the vibration conveying mode and the gravity conveying mode are both the prior art or the prior art and are easy to realize, so that the riveting machine is not shown and described any more, in addition, the technology of inputting high-pressure gas through the gas hole 311 to blow an object is very common, and the riveting machine basically comprises a gas compressor, a valve and a gas guide tube, and meanwhile, the prior art or the prior art is easy to realize and is not shown and described any more.

When the riveting device is used specifically, after a workpiece 2 is conveyed to a proper position, a riveting nut 4 is fed into the feeding chute 36, the riveting nut 4 moves towards the riveting chute 37 in a vibration mode, when riveting is not performed, the linkage block 33 is attached to the upper end of the feeding block 31, the blocking block 331 blocks the riveting nut 4 in the feeding chute 36, only one riveting nut 4 is reserved in the feeding chute 36 between the blocking block 331 and the riveting chute 37, high-pressure gas is introduced into the air hole 311 to blow the riveting nut 4 into the riveting chute 37, at the moment, the riveting nut 4 is supported by the overhanging end of the supporting block 35, the riveting head 12 is started to press downwards, when the guiding column 112 of the riveting head 12 passes through the riveting nut 4 and the riveting head 12 presses the riveting nut 4 downwards, the overhanging ends of the two supporting blocks 35 passively rotate downwards around the respective hinged ends, and simultaneously, the top pushing parts 351 of the supporting blocks 35 push the corresponding top pushing columns 34, the pushing column 34 moves upwards and pushes the linkage block 33 upwards, the linkage block 33 rotates upwards around the hinged end of the linkage block, at the moment, the blocking block 331 releases the blocking of the press riveting nut 4 in the feeding chute 36, the press riveting nut 4 in the feeding chute 36 can continuously move towards the press riveting chute 37 under the vibration, the feeding is realized, and the press riveting head 12 is continuously pressed downwards to press the press riveting nut 4 on the workpiece 2; after the riveting is completed, the riveting head 12 returns upwards, meanwhile, each supporting block 35 returns under the action of the corresponding second torsion spring 353 to prepare for supporting the next riveting nut 4, the linkage block 33 moves downwards around the hinged end of the linkage block under the action of the first torsion spring 333 until being attached to the feeding block 31, the blocking block 331 enters the feeding chute 36 again to block continuous conveying of the riveting nut 4, only one riveting nut 4 exists in the feeding chute 36 between the blocking block 331 and the riveting chute 37 at the moment, and the riveting operation is completed once after the riveting operation returns to the state just started. Because only one pressure riveting nut 4 remains in the feeding chute 36 between the blocking block 331 and the pressure riveting chute 37, dislocation and stacking of the pressure riveting nut 4 are avoided during continuous conveying, interruption of equipment failure and production is prevented, production efficiency is guaranteed, and in the whole process, the supporting block 35 is a rotary motion rather than a sliding rod in the prior art and sliding motion between the limiting block and the fixed sleeve, so that the problem of clamping failure of the pressure riveting nut 4 caused by clamping of the limiting block and the fixed sleeve in the prior art is solved.

The utility model provides a press and rivet nut feeding mechanism, press and rivet nut feeding mechanism as above press and rivet nut feeding mechanism, so no longer give unnecessary details.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a nut feeding mechanism is riveted to pressure which characterized in that: including being equipped with the pay-off spout that extends along left right direction and the kickoff block of riveting the spout along the pressure that extends from top to bottom, the kickoff is riveted the spout and is located the right-hand member of pay-off spout, the downside of kickoff block corresponds the position department of riveting the spout is equipped with one end with the kickoff block is articulated, the other end to overhang and follow upper and lower direction pivoted supporting shoe in the push-off riveting spout, the kickoff block with be equipped with between the supporting shoe and be used for the elastic support that makes progress thereby the overhang end of supporting shoe makes the overhang end supports and is located the spring of the pressure riveting bolt in the push-off riveting spout.

2. The rivet pressing nut feeding mechanism according to claim 1, characterized in that: a linkage block is arranged on the upper side surface of the feeding block, one end of the linkage block is positioned on the right side of the press riveting sliding chute and hinged with the feeding block, and the other end of the linkage block extends leftwards and is positioned on the left side of the press riveting sliding chute, the hinged end of the supporting block is provided with a pushing part extending towards the direction far away from the overhanging end of the supporting block, the feeding block is provided with a through hole which extends along the vertical direction and one end of which corresponds to the pushing part and the other end of which corresponds to the linkage block, a pushing column is assembled in the through hole in a sliding manner, the lower end of the pushing column is in pushing fit with the pushing part, the upper end of the pushing column extends out of the upper end of the feeding block and is in pushing fit with the linkage block, the left end of the linkage block is provided with a blocking block which is inserted into the feeding chute downwards, and the feeding block is provided with an air hole which is used for blowing air to the part of the feeding chute, which is positioned on the right side of the blocking block, so as to drive the pressure riveting bolt to move towards the pressure riveting chute.

3. The rivet pressing nut feeding mechanism according to claim 2, characterized in that: and a spring for driving a blocking block of the linkage block to be downwards inserted into the feeding chute is arranged between the linkage block and the supporting block.

4. The rivet pressing nut feeding mechanism according to claim 3, characterized in that: the linkage block is of a plate-shaped structure and is positioned above the press riveting sliding groove, and through holes for corresponding press riveting heads to penetrate through are formed in the positions, corresponding to the upper portion and the lower portion of the press riveting sliding groove, of the linkage block.

5. The rivet pressing nut feeding mechanism according to claim 4, characterized in that: the stop block is of a wedge-shaped structure with a large upper part and a small lower part, the vertical surface of the stop block is close to the pressure riveting sliding groove, and the inclined surface of the stop block is far away from the pressure riveting sliding groove.

6. The rivet pressing nut feeding mechanism according to any one of claims 2 to 5, characterized in that: the supporting shoe is equipped with two and all extends along the fore-and-aft direction, and two supporting shoes are relative in the fore-and-aft direction simultaneously the spout symmetry sets up is riveted to the pressure.

7. The rivet pressing nut feeding mechanism according to claim 1, characterized in that: and the feeding block is provided with a shielding plate for covering the feeding chute.

8. The utility model provides a squeeze riveter, includes that frame and downward overhang set up squeeze riveter in the frame, still be equipped with the pressure rivet nut feeding mechanism who is used for carrying the pressure rivet nut in the frame of pressure riveter below, its characterized in that: the feeding mechanism for the press riveting nut as claimed in any one of claims 1-7.