CN104057010A - Automatic rivet mounting device - Google Patents

Abstract

An automatic riveting device, including an upper template, a lower template, a material retrieving mechanism, a floating plate, two clamping blocks, a slider and a delivery pipe, a punch and a fork column are fixed on the bottom of the upper template, and the floating A piece of material with a riveting hole is placed between the plate and the lower template. The two clamping blocks are slidably arranged on the floating plate. Each clamping block is provided with a receiving hole. The block is provided with an extension part upwards, the slide block is located above the two clamping blocks and is provided with an introduction hole facing the two storage holes, and the feeding mechanism sends a rivet into the delivery pipe and enters the two storage holes through the introduction hole. The automatic riveting device transfers the rivets to the two receiving holes through the conveying pipe, the upper template moves down, the fork column separates the two clamping blocks, and the punch can press down the rivets so that the rivets are riveted to the riveting holes of the sheet without one by one Manual rivets, automatic and efficient.

Description

Automatic riveting device

technical field

The invention relates to an automatic riveting device.

Background technique

When the rivets are riveted to the blank, the common practice is to place the blank manually first, then align the rivet with the rivet hole of the blank, press down from the top of the blank and rivet to the rivet hole of the blank, which is inefficient.

Contents of the invention

In view of the above, it is necessary to provide an automatic riveting device, which can automatically and efficiently rive the rivets to the blank.

An automatic riveting device, comprising an upper template, a lower template, a material retrieving mechanism, a floating plate fixed above the lower template, two clamping blocks, a slider that can slide along the top surface of the floating plate, and a conveying A punch and a fork column are fixed at the bottom of the upper formwork, and a sheet with riveting holes is placed between the floating plate and the lower formwork. The two clamping blocks are slidingly set on the floating plate, and each clamping block faces the other One side of the block is provided with a receiving hole, the two receiving holes are combined and facing the riveting hole, each clamping block is provided with an extension upward, and the slider is located above the two clamping blocks and is provided with a pair of two receiving holes. In the inlet hole, the feeding mechanism sends a rivet into the conveying pipe and enters the two storage holes through the inlet hole. The slider slides to stagger with the two storage holes, the upper template moves down, the punch touches the rivet, and the fork column pushes The two extension parts make the two clamping blocks slide back, and the punch presses down the rivet so that the rivet is riveted to the rivet hole of the tablet.

The automatic riveting device transfers the rivets to the two storage holes through the conveying pipe, the upper template moves down, the fork column separates the two clamping blocks, and the punch can press down the rivets so that the rivets are riveted to the riveting holes of the sheet without one by one Manual rivets, automatic and efficient.

Description of drawings

The present invention will be further described below in conjunction with specific embodiments with reference to the accompanying drawings.

Fig. 1 is a perspective assembly view of the first part of the preferred embodiment of the automatic riveting device of the present invention.

FIG. 2 is an exploded perspective view of FIG. 1 .

Fig. 3 is a perspective assembly view of the second part of the preferred embodiment of the automatic riveting device of the present invention.

FIG. 4 is an exploded perspective view of FIG. 3 .

Fig. 5 is a perspective view of the two clamping blocks in Fig. 4 being installed into the floating plate.

The following specific embodiments will further illustrate the present invention in conjunction with the above-mentioned drawings.

Detailed ways

Please refer to FIGS. 1 , 2 and 4 , the preferred embodiment of the automatic riveting device of the present invention is used to automatically feed and position the rivets 200 and rivet them to the sheet 150 . The automatic riveting device includes an upper template, a lower template 10, a lower mold base 20 fixed on the bottom surface of the lower template 10, a retrieving mechanism, a floating plate 70, two clamping blocks 80, a slide block 90, a first The connection block 95 , a second connection block 98 and a delivery pipe 110 . The material fetching mechanism includes a material feeding assembly 30 , a material distribution assembly 40 , a fixed block 50 and a slide plate 60 .

Referring to FIG. 2 and FIG. 3 , a punch 101 and a fork 102 are fixed on the bottom of the upper template. Two opposite bottoms of the prong 102 are respectively provided with an inclined resisting surface 103 .

The lower mold base 20 is provided with a through hole extending vertically. The through hole is located between the lower template 10 and the distribution assembly 40 .

The feeding assembly 30 includes a conveying part 32 , an inclined hopper 34 and a supporting part 36 fixed on the hopper 34 and the lower mold base 20 . The conveying part 32 is located between the distribution assembly 40 and the hopper 34 . The top surface of the conveying part 32 is arc-shaped and gradually becomes lower toward the direction of the distribution assembly 40 . The top surface of the conveying part 32 is provided with an arc-shaped conveying channel 321 that gradually becomes lower toward the direction of the dispensing assembly 40 . The cross-section of the conveying path 321 is “T”-shaped and the top of the cross-section is wider, so that the rivet 200 can slide along the conveying path 321 with the head 201 facing upward. A large number of rivets 200 can be accommodated in the hopper 34 . The bottom of the hopper 34 is provided with an outlet connected to the top of the delivery channel 321 . The rivets 200 in the hopper 34 can slide into the delivery channel 321 through the outlet.

The distributing assembly 40 includes a mounting block 42 fixed on the top surface of the lower mold base 20 , a distributing block 43 slidably connected between the mounting block 42 and the conveying part 32 , a distributing rod 45 and a cylinder 46 . A groove 421 is defined on the top surface of the mounting block 42 . The groove 421 includes a first groove 422 and a second groove 423 obliquely extending from an end of the first groove 422 close to the lower mold plate 10 toward a direction away from the dividing block 43 and close to the lower mold plate 10 . A receiving groove 432 perpendicular to the first groove 422 and connected to the conveying channel 321 is formed on the top surface of the distribution block 43 . A perforation 433 penetrating through the bottom surface of the distribution block 43 is formed adjacent to the conveying channel 321 in the receiving groove 432 . One end of the distribution rod 45 extends downwards with a protrusion 452 , and the other end of the distribution rod 45 is provided with a notch 453 . The air cylinder 46 is connected to the distribution block 43 .

A sliding slot 52 is defined at the bottom of the first end of the fixing block 50 . The bottom surface 53 of the fixing block 50 corresponds to the top surface of the transmission part 32 and is arc-shaped. The bottom surface 53 becomes lower gradually along the direction approaching the slide groove 52 . A through hole 55 communicating with the sliding groove 52 is defined on the top surface of the fixing block 50 . Near the through hole 55 , the fixing block 50 defines a through groove 56 penetrating through the bottom surface of the fixing block 50 .

A through hole 62 is defined adjacent to the midpoint of one side edge of the sliding plate 60 .

Please refer to FIG. 4 , the floating plate 70 is located above the lower template 10 . A support block 71 is fixed between one end of the floating plate 70 and the lower template 10 . A receiving groove 72 is defined on the top surface of the floating plate 70 . The accommodating groove 72 is surrounded by two opposite first side walls 73 and two opposite second side walls 74 . A slot 75 is defined at the top of each first sidewall 73 . A stopper 76 protrudes from the middle of each slot 75 .

Each clamping block 80 includes a main body 81 . A sliding portion 82 extends from tops of two ends of the main body 81 . An extension portion 83 extends upward from a top surface of the main body 81 . A slope 832 is formed on a top end of the extension portion 83 close to the first side 801 of the main body 81 . The first side 801 of the main body 81 defines a receiving hole 85 with a semicircular cross section penetrating through the top surface and the bottom surface of the main body 81 . The diameter of the bottom of the receiving hole 85 is reduced, and the inner wall of the receiving hole 85 is adjacent to the bottom surface of the main body 81 with a semi-circular blocking piece 86 . The second side 802 of the main body 81 defines a receiving hole 88 .

A sliding bar 91 extends from the bottom of both ends of the sliding block 90 . One end of the slider 90 is provided with a sloped wall 92 . The sliding block 90 defines an introduction hole 93 passing through the inclined wall 92 and the bottom surface of the sliding block 90 .

The first connecting block 95 includes a base body 96 and an oblique block 97 extending obliquely upward from a first side of the base body 96 . A slide groove 962 is defined at the bottom of the first side of the base body 96 . The inclined block 97 defines a mounting hole 972 .

A bottom of one side of the second connecting block 98 defines a slide slot 982 .

The material sheet 150 is positioned between the floating plate 70 and the lower mold plate 10 by a feeder. The sheet 150 is provided with riveting holes.

Referring to FIGS. 1 , 3 and 5 , when assembling, insert the protrusion 452 of the distribution rod 45 into the first groove 422 of the mounting block 42 . Place the part of the distributing rod 45 close to the protrusion 452 on the top surface of the mounting block 42 , and accommodate the part of the distributing rod 45 close to the notch 453 in the receiving groove 432 of the distributing block 43 . The notch 453 is facing the through hole 433 of the receiving groove 432 . The sliding plate 60 is fixed on the top surface of the material distribution block 43 and the perforation 62 of the sliding plate 60 is aligned with the perforation 433 of the material distribution block 43 . The bottom surface 53 of the fixing block 50 is abutted against the top surface of the transmission part 32 and the fixing block 50 is fixed to the transmission part 32 . The slot 56 of the fixing block 50 faces the conveying channel 321 . The through hole 55 of the fixing block 50 is facing the through hole of the lower mold base 20 . The sliding plate 60 abuts against the top wall of the sliding groove 52 . A gas pipe 2 is connected to the top of the groove 56 . A trachea 3 is connected to the top of the perforation 55 .

The two clamping blocks 80 are accommodated in the accommodating groove 72 of the floating plate 70 , the two clamping blocks 80 are located on two sides of each blocking block 76 and the first sides 801 of the two clamping blocks 80 are opposite to each other. The two sliding portions 82 of each clamping block 80 are respectively accommodated in the two slots 75 . Two elastic parts, such as one ends of two springs 300 are installed in the receiving holes 88 of the two clamping blocks 80 respectively, and the other ends of the two springs 300 are respectively abutted against the two second side walls 74 . The two springs 300 make the two clamping blocks 80 slide towards each other, and each blocking block 76 is clamped between the sliding portions 82 of the two clamping blocks 80 . The first sides 801 of the two clamping blocks 80 abut against each other. The two receiving holes 85 are combined and aligned with the riveting holes of the tablet 150 . The slider 90 is placed on the top surfaces of the two main bodies 81 so that the introduction hole 93 faces the two receiving holes 85 . A cylinder 99 is fixed on the top surface of the floating plate 70 and connected to the slider 90 . The first connecting block 95 and the second connecting block 98 are fixed on the top surface of the floating plate 70, so that the two slide bars 91 of the sliding block 90 are accommodated in the chute 962 and the chute 982 respectively, wherein the oblique of the first connecting block 95 The block 97 abuts against the inclined wall 92 of the slider 90 , and the mounting hole 972 faces the introduction hole 93 . One end of the delivery pipe 110 is connected to the bottom end of the through hole of the lower mold base 20 , and the other end of the delivery pipe 110 is connected to the top of the mounting hole 972 .

During use, first load some rivets 200 in the hopper 34, these rivets 200 slide into the conveying path 321 through the outlet of the hopper 34, the head 201 of the rivet 200 faces upward, and then the rivets 200 slide down from the conveying path 321 to the adjacent part of the conveying path 321. Material block 43 places. The gas pipe 2 supplies air to the through groove 56, and the gas enters the conveying channel 321 and pushes these rivets 200, so that the rod portion 202 of the rivet 200 close to the material distribution rod 45 enters the gap 453 of the material distribution rod 45, and the head 201 of the rivet 200 supports On the top surface of the distribution rod 45. Control the cylinder 46 so that the cylinder 46 drives the distribution block 43 and the slide plate 60 to slide in a direction close to the lower template 10 and parallel to the first groove 422, until the perforation 433 of the distribution block 43 is aligned with the through hole of the lower mold base 20 and fixed. Perforation 55 of block 50 . The protrusion 452 of the material distribution rod 45 enters the second groove 423 from the first groove 422, and the protrusion 452 moves along the second groove 423 so that the material distribution rod 45 gradually moves away from the transmission part 32, and the gap 453 of the material distribution rod 45 is staggered from the perforation 433 . The rivet 200 falls from the perforation 433 and enters the delivery pipe 110 through the through hole of the lower mold base 20 . The air pipe 3 supplies air to the perforation 55, and the gas enters the delivery pipe 110 through the perforation 62, the perforation 433 and the through hole and pushes the rivet 200 from the delivery pipe 110 to pass through the installation hole 972 of the first connecting block 95 and the opening of the slider 90 successively. After being introduced into the hole 93, it enters into the two receiving holes 85 . The rod portion 202 of the rivet 200 passes through the two receiving holes 85 . The head 201 of the rivet 200 is supported by the blocking pieces 86 of the two receiving holes 85 . The air cylinder 99 is controlled, and the air cylinder 99 drives the slider 90 to move toward the air cylinder 99 so as to stagger with the two receiving holes 85 . The upper template moves downwards driven by a punch, the punch 101 moves down to abut against the head 201 of the rivet 200, and the fork 102 moves down so that the two resisting surfaces 103 of the fork 102 respectively push against the two extensions 83 The bevel 832. The two clamping blocks 80 are separated. The punch 101 presses down on the rivet 200 so that the rivet 200 is riveted to the riveting hole of the sheet 150 .

Claims (12)

1. An automatic riveting device, comprising an upper template, a lower template, a material taking mechanism, a floating plate fixed on the top of the lower template, two clamping blocks, a slide block that can slide along the top surface of the floating plate and A conveying pipe, a punch and a fork column are fixed at the bottom of the upper formwork, a sheet with riveting holes is placed between the floating plate and the lower formwork, the two clamping blocks are slidingly set on the floating plate, each clamping block faces the other One side of a clamping block is provided with a receiving hole, the two receiving holes are merged and facing the riveting hole, each clamping block is provided with an extension upward, the slider is located above the two clamping blocks and has a The lead-in hole of the hole, the feeding mechanism sends a rivet into the conveying pipe and enters the two receiving holes through the lead-in hole, the slider slides to stagger with the two receiving holes, the upper template moves down, the punch touches the rivet, and the fork column The two extension parts are pushed against to make the two clamping blocks slide backwards, and the punch presses down on the rivet so that the rivet is riveted to the rivet hole of the sheet. 2. The automatic riveting device as claimed in claim 1, characterized in that: the bottom surface of the lower formwork is fixed with a lower mold base, the lower mold base is provided with a through hole, one end of the delivery pipe is connected to the bottom of the through hole, and the material taking mechanism It includes a material distribution component and a feeding component fixed on the lower template, the material distribution component includes a mounting block fixed on the lower mold base, a material distribution rod and a material distribution block slidingly connected between the feeding component and the mounting block, The installation block is provided with a groove, and the groove includes a first groove parallel to the sliding direction of the material distribution block and a second groove extending obliquely from one end of the first groove to a direction away from the feeding assembly, and the material distribution block is adjacent to the feeding The component is provided with a first perforation, one end of the distribution rod is movably assembled in the groove, and the other end is provided with a gap located above the first perforation and facing the first perforation, the rivet enters the distribution rod through the feeding component the gap, the distribution block slides until the first perforation is aligned with the through hole, the distribution rod slides from the first groove into the second groove so that the distribution rod and the first perforation are staggered, and the rivets fall from the first perforation and are removed through the through hole. into the delivery tube. 3. The automatic riveting device according to claim 2, characterized in that: the distribution block is provided with a storage groove perpendicular to the first groove and running through both sides of the distribution block, and the distribution rod is accommodated in the gap near the gap. The receiving groove, the first through hole is arranged at the place where the receiving groove is adjacent to the feeding component. 4. The automatic riveting device as claimed in claim 2, characterized in that: the feeding assembly includes a hopper and a transmission part located between the hopper and the distribution block, the distribution block is slidably connected to the transmission part, the hopper There is an outlet at the bottom, and the conveying part is provided with a conveying channel that gradually lowers toward the distribution block and communicates with the outlet and the first perforation. After the rivet is loaded into the hopper, it slides into the conveying channel through the outlet head upwards and slides Notch to the dosing bar. 5. The automatic riveting device as claimed in claim 4, characterized in that: a fixed block is fixed on the top surface of the transmission part, the top surface of the fixed block is provided with a second perforation, and a gas pipe is connected to the top of the second perforation to distribute the material. When the block slides until the first perforation is aligned with the through hole, the second perforation is aligned with the first perforation, and the air pipe supplies air to the second perforation to push the rivet into the two receiving holes. 6. The automatic riveting device as claimed in claim 1, characterized in that: a first connecting block is fixed on the top surface of the floating plate, the slider is slidably connected to the first connecting block, and the first connecting block is provided with a The installation hole of the hole, one end of the delivery pipe is connected to the installation hole, and the rivet enters the introduction hole after the delivery pipe passes through the installation hole. 7. The automatic riveting device according to claim 6, characterized in that: the side of the slider facing the first connecting block is provided with an inclined wall, one end of the introduction hole runs through the inclined wall, and the first connecting block includes a A base of the lower formwork and a slanting block extended from the base to abut against the slanting wall, the installation hole is set on the slanting block. 8. The automatic riveting device according to claim 1, characterized in that: the two sides of the bottom of the fork column are respectively provided with an inclined thrust surface, and each extension part is provided with an inclined surface on the side facing the other extension part , the fork column moves down so that the two resisting surfaces of the fork column respectively resist the inclined surfaces of the two extension parts, so that the two clamping blocks are separated. 9. The automatic riveting device as claimed in claim 1, characterized in that: the inner wall of each receiving hole is provided with a blocking plate adjacent to the bottom surface of the clamping block, after the rivet enters the two receiving holes, the rod of the rivet passes through the two receiving holes. In the receiving hole, the heads of the rivets are supported by the two blocking pieces. 10. The automatic riveting device according to claim 1, characterized in that: the top surface of the floating plate is provided with an accommodating groove, the two clamping blocks are accommodated in the accommodating groove, and the accommodating groove includes two opposite first One side wall and two opposite second side walls. 11. The automatic riveting device according to claim 10, characterized in that: a slot is provided on the top of each first side wall, a stopper is provided in the middle of each slot, and each clamping block opens toward the two sides. Each slot is provided with a sliding part, and each sliding part is accommodated in a corresponding slot, and the two clamping blocks are located on both sides of each blocking block. 12. The automatic riveting device according to claim 10, characterized in that: each clamping block is provided with a receiving hole on the side facing away from the other clamping block, and one end of the two elastic members is respectively inserted into the two receiving holes , the other ends of the two elastic parts abut against the two second side walls respectively.