CN106964981A - Rivet welding all-in-one - Google Patents

Abstract

This all-in-one riveting and welding machine includes a frame, on which there are sequentially provided with a receiving seat for storing riveting sheet workpieces in accordance with the set discharge state, a shaping device for shaping U-shaped frame workpieces, and a reshaping device for U-shaped frame workpieces and riveting pieces. The riveting device for riveting the workpieces, and the nut welding device for welding the U-shaped frame workpiece and the nut workpiece. A rivet feeding mechanism that can transport the rivet workpieces to the rivet storage device one by one is provided on the frame. The frame is equipped with a U-shaped frame feeding mechanism that can transport the U-shaped frame workpieces to the shaping device one by one. The frame is equipped with a nut feeding mechanism that can transport the nut workpieces to the nut welding device one by one. The frame is also equipped with a workpiece manipulator corresponding to the receiving seat, shaping device, riveting device and nut welding device one by one. Institutional connections.

Description

Riveting and welding machine

technical field

The invention belongs to the technical field of machinery, and in particular relates to a riveting and welding integrated machine.

Background technique

A car is a means of transportation.

The U-shaped frame assembly is an accessory in the car, which is used for the connection of the safety belt. The U-shaped frame assembly includes a U-shaped body and a riveted piece connected to the U-shaped body. When the riveted piece is riveted with the U-shaped body, the riveted piece There is a position to set the orientation, that is, directional installation is required, and secondly, a nut needs to be welded inside one end of the U-shaped body after riveting.

The current riveting is manually identified, and finally the riveted piece is riveted with the U-shaped body. After riveting, the nut feed is also manually identified and welded with the U-shaped body. This method not only has high labor intensity, but also has low production efficiency. At the same time, there is also the risk of feeding errors easily, and the quality of the product cannot be guaranteed.

In order to improve the feeding efficiency of riveted workpieces, for example, Chinese patent literature discloses a positioning forward feeding device for cover plate riveted workpieces [Application No.: 201620151215.8], which includes a main body, a slide rail under the main body and a matching slide rail. Sliding mechanism; the main body is provided with a start position and an end position. The sliding mechanism includes a slider and a pillar ejector on the slider. The pillar ejector includes a body and a ejector pillar. The upper and lower sides of the main body are reciprocating holes matched with the top column, and the reciprocating holes communicate with the starting station and the final station. The device intermittently transfers the material to be processed from the initial station to the predetermined station quickly and accurately at a certain frequency; realizes automatic operation and gets rid of the dependence on people; improves production efficiency.

Although the above-mentioned solution has many advantages above, the above-mentioned solution does not completely solve the above-mentioned technical problem. Therefore, it is urgent to develop a riveting and welding machine that can solve the above-mentioned technical problem.

Contents of the invention

The object of the present invention is to solve the above problems and provide an integrated riveting and welding machine that can further improve production efficiency and ensure product quality.

In order to achieve the above-mentioned purpose, the present invention adopts the following technical solutions: the riveting and welding machine includes a frame, and the frame is sequentially provided with a receiving seat for storing riveting workpieces in a set discharge state, a U-shaped frame workpiece The shaping device for shaping, the riveting device for riveting the U-shaped frame workpiece and the rivet piece workpiece, and the nut welding device for welding the U-shaped frame workpiece and the nut workpiece. The rivet sheet feeding mechanism on the rivet sheet storage device is equipped with a U-shaped frame feeding mechanism on the frame that can transport the U-shaped frame workpieces to the shaping device one by one. To the nut feeding mechanism on the nut welding device, the workpiece manipulator corresponding to the material receiving seat, the shaping device, the riveting device and the nut welding device is also provided on the frame, and the workpiece manipulator and the workpiece manipulator that can drive the The vertical lifting movement is connected with the material shifting driving mechanism that moves horizontally.

The workpiece manipulator is able to grab and release workpieces from successive devices to the next device.

In the aforementioned integrated riveting and welding machine, the rivet workpiece feeding mechanism includes a vibrating feeding device for preliminary screening of the riveting workpiece, and a material receiving seat is connected to the discharge end of the vibrating feeding device On the material receiving seat, there is a receiving step hole that can accept the rivet workpiece output by the vibrating feeding device, and on the step surface of the receiving step hole, there is a rivet workpiece that can be detected one by one into the receiving step hole Whether it conforms to the detection mechanism of the set discharge state, there is a step hole on the receiving seat that communicates with the receiving step hole and is used to place the rivet workpiece that meets the set discharge state. The rivet workpiece in the stepped hole is transported to the conveying device placed in the stepped hole, and when the circumferential position of the rivet workpiece detected by the detection mechanism does not meet the set discharge state, the conveying device can undertake the rivet in the stepped hole The workpiece is lifted up and rotated to the set discharge state. This mechanism also includes the ability to hold the rivet workpiece and turn it over to the set state when the direction of the rivet workpiece lifted by the conveying device does not meet the set discharge state. The turning manipulator in the discharging state.

The set detection mechanism combined with the turning manipulator and the material conveying device can realize the detection of the circumferential position and orientation of the rivet workpiece, and can output the chaotic rivet workpiece orientation to the set discharge state, greatly improving the feeding efficiency and The production efficiency is improved, and at the same time, the labor intensity of the workers is also greatly reduced, which is more in line with the production requirements of the enterprise.

Secondly, the degree of automation is high and the production input cost of the enterprise is greatly reduced.

In the above-mentioned riveting and welding machine, the material receiving seat is provided with a communication port capable of connecting the receiving step hole and the placing step hole, and the lower end of the material receiving seat is fixed on the mounting plate, and the material conveying device It is slidably connected with the mounting plate and the material transport device can extend upwards into the receiving step hole and move the rivet workpiece from the communication port to the placement step hole after being lifted.

In the above-mentioned riveting and welding machine, the material conveying device includes a sliding seat that is slidably connected with the mounting plate, and a material conveying rotating seat that is vertically arranged and rotatably connected with the sliding seat is provided on the sliding seat. The rotating seat is connected with a material-carrying driver that can drive it to rotate, and the lifting plate that is positioned at the top of the material-carrying rotating seat is connected with a material-carrying lifter on the material-carrying rotating seat.

In the above-mentioned riveting and welding machine, the flip manipulator includes a fixed seat, and a manipulator rotating seat arranged horizontally and rotatably connected with the fixed seat is arranged on the fixed seat, and the manipulator rotating seat is connected with a rotating driver capable of driving it to rotate, The front end of the rotating seat of the manipulator is connected with a mechanical claw capable of obtaining and releasing the rivet workpiece.

In the aforementioned integrated riveting and welding machine, the detection mechanism includes several infrared detection sensors arranged at intervals on the step surface of the receiving step hole.

In the aforementioned integrated riveting and welding machine, the vibrating feeding device includes an open vibrating material barrel, and an internal spiral feeding track capable of moving the rivet workpiece from bottom to top is arranged in the vibrating material barrel. The upper end of the inner spiral feeding track is extended to the open end of the vibrating barrel, and the upper end of the inner spiral feeding track is connected with two sub-tracks arranged inside and outside, and the discharge ends of the two sub-tracks converge at the end of the outer spiral discharging track. At the feed end, the outer spiral discharge track moves the rivet workpieces output by the sub-tracks from top to bottom, and at least one first screening strip hole is provided on each sub-track, and at least one Second screening strip wells.

The set inner spiral feeding track is combined with two sub-tracks, which can improve the feeding efficiency, and combined with the outer spiral discharging track, the first screening strip hole and the second screening strip hole can be set to carry out the direction of the rivet workpiece Screening, that is, can meet production requirements while also greatly reducing labor intensity.

In the above riveting and welding integrated machine, the outer spiral discharge track includes a feed section and a discharge section connected to the feed section, the feed section forms an acute angle with the axis of the vibrating barrel, and the The discharge section is set horizontally.

The acute angle is set, which can avoid the stacking of multiple rivet workpieces.

In the aforementioned integrated riveting and welding machine, at least one of the above-mentioned second screening strip-shaped holes is respectively provided on the feeding section and the discharging section.

In the aforementioned integrated riveting and welding machine, a corner is formed at the junction of the feed section and the discharge section, and a material guide sheet is provided at the corner.

In the aforementioned integrated riveting and welding machine, the first screening strip-shaped holes are fan-shaped holes. Rivet pieces with unqualified positions fall from the first screening bar hole.

In the aforementioned integrated riveting and welding machine, the second screen hole is a fan-shaped hole. The rivet workpieces with unqualified positions fall from the second screening bar hole.

In the aforementioned integrated riveting and welding machine, the outer spiral discharging track is fixed to the outside of the inner spiral feeding track by a plurality of connecting ribs.

The outer spiral discharge track, the inner spiral feed track and the connecting ribs are respectively made of metal materials, and the three are connected by welding.

In the aforementioned integrated riveting and welding machine, the turning manipulator is arranged at the discharge end of the outer spiral discharge track.

The automatic feeding method of the rivet sheet workpiece comprises the following steps:

A. Pre-screening, the rivet workpieces are pre-screened by vibrating feeding, and the rivet workpieces that meet the set discharge state enter into the receiving step hole of the material receiving seat;

This step specifically includes the following:

a1. The rivet workpiece enters the inner spiral feeding track by vibrating the material barrel, and the inner spiral feeding track moves the rivet workpiece upward to enter the two sub-tracks or any one of the two sub-tracks. The first screening strip hole preliminarily screens the rivet workpieces, that is, the rivet workpieces that do not meet the set discharge state fall into the vibrating bucket from the first screening strip hole;

a2. The rivet workpiece output by the sub-track enters the upper end of the outer spiral discharge track, and the rivet workpiece moves downward through the outer spiral discharge track, and the outer spiral discharge track includes the feed section and the discharge section, moving downward During the process, the feeding section forms an acute angle with the axis line of the vibrating barrel, and the second screening is carried out through the second screening strip hole on the feeding section, and the rivet workpiece after the second screening passes through the discharging section The third screening is carried out through the second screening bar hole on the top, that is, through the screening of the second screening bar hole, the rivet workpieces that do not meet the set discharge state will fall from the second screening bar hole into the vibrating in the barrel;

B. Fine screening, through the detection mechanism on the step surface of the receiving step hole to detect the circumferential position and orientation of the rivet workpiece entering the receiving step hole, after the detection, the rivet workpiece that meets the set discharge state is transported to the storage place in the step hole;

This step specifically includes the following:

b10. The detection mechanism detects the rivet workpiece, and then lifts the rivet workpiece in the receiving step hole through the conveying device to make the rivet workpiece upward and away from the receiving step hole. The conveying device has the functions of translation, rotation and lifting;

b20. When the detection mechanism detects that the direction of the rivet workpiece does not meet the set discharge state, the flip manipulator will take the lifted rivet workpiece and drive the rivet workpiece to turn 180°, and after turning 180°, turn the manipulator to release the rivet The workpiece, the released rivet workpiece is taken over by the conveying device;

b30. When the detection mechanism detects that the circumferential position of the rivet workpiece does not conform to the set discharge state, the conveying device transports the rivet workpiece to the top of the step hole and drives the rivet workpiece to rotate 180° through the rotation of the conveying device °, after rotating 180°, the rivet workpiece is lowered by the conveying device to release the rivet workpiece into the step hole.

In the above riveting and welding machine, the nut feeding mechanism includes a vibrating tray, a discharge guide rail is connected to the top of the vibrating tray, a cantilever screening block is connected to the feeding end of the discharge guide rail, and the cantilever screening The free end of the block extends to the top of the discharge guide rail. When the welding bump of the nut workpiece faces up and contacts the cantilever screen block, the cantilever screen block can force the nut workpiece to leave the discharge guide rail. There is a blocking block at the material end and the nut workpieces are arranged on the discharge guide rail one by one. The mechanism also includes a nut manipulator capable of grabbing and transporting the nut workpieces in contact with the blocking block to the next station to release the nut workpieces.

In the above-mentioned riveting and welding machine, there are gaps on both sides of the discharge end of the discharge guide rail that communicate with the discharge guide rail; In this way, the lifting drive mechanism for grabbing the nut workpiece is connected, and the lifting drive mechanism is connected with a horizontal drive mechanism capable of driving the lifting drive mechanism to move in the horizontal direction.

In the aforementioned integrated riveting and welding machine, the horizontal drive mechanism includes a fixed seat, on which a translation seat is slidably connected to the fixed seat, and the translation seat is connected to the horizontal drive cylinder.

In the aforementioned all-in-one riveting and welding machine, the lifting drive mechanism includes a fixed sliding seat arranged on a translation seat, and a lifting seat that is slidably connected to the fixed sliding seat in the vertical direction is arranged on the fixed sliding seat, and the described The lifting seat is connected with the lifting drive cylinder, and the material grabbing hand is arranged on the lifting seat.

In the above-mentioned riveting and welding machine, the U-shaped frame feeding mechanism includes a U-shaped frame feeding track, and a U-shaped frame receiving guide rail is provided at the discharge end of the U-shaped frame feeding track. One end of the material receiving guide rail is provided with a U-shaped frame horizontal pushing device that can push the U-shaped frame workpiece placed on the U-shaped frame material receiving guide rail to the outside of the U-shaped frame material receiving guide rail. One end is provided with a U-shaped frame material receiving seat that is rotatably connected with the frame and can accept the U-shaped frame workpiece that is separated from the U-shaped frame material receiving guide rail. The material seat driver is connected, and the frame is also provided with a U-shaped frame longitudinal pushing device that can push the U-shaped frame workpiece into the shaping device after the U-shaped frame material receiving seat rotates 90°.

In the aforementioned integrated riveting and welding machine, the U-shaped frame lateral pushing device includes a U-shaped frame pushing block, and the U-shaped frame pushing block is connected to the pushing cylinder.

In the aforementioned integrated riveting and welding machine, the U-shaped frame longitudinal pushing device includes a U-shaped frame pushing plate, and the U-shaped frame pushing plate is connected with the pushing air/oil cylinder.

In the aforementioned integrated riveting and welding machine, the material shifting drive mechanism includes a horizontal beam, on which a material shifting sliding seat capable of moving in the horizontal direction is connected and the material shifting sliding seat is connected with the material shifting driver. The above-mentioned workpiece manipulator is connected to the material sliding seat, and the beam is arranged on the beam lifting drive mechanism.

There are two material shifting drive mechanisms.

The workpiece manipulator corresponding to the material receiving seat, the shaping device and the riveting device is respectively arranged on one of the material shifting driving mechanisms, and the workpiece manipulator corresponding to the nut welding device is arranged on the other material moving driving mechanism.

Compared with the existing technology, the advantages of this riveting and welding machine are:

1. The design is more reasonable, greatly improving the degree of automation, and at the same time greatly improving production efficiency and reducing production difficulty; ensuring the stability of product quality.

2. The set detection mechanism combined with the turning manipulator and the feeding device can realize the detection of the circumferential position and orientation of the rivet workpiece, and can output the chaotic rivet workpiece to the set discharge state, greatly improving the feeding Efficiency and improved production efficiency, at the same time, it also greatly reduces the labor intensity of workers, which is more in line with the production requirements of enterprises.

Secondly, the degree of automation is high and the production input cost of the enterprise is greatly reduced.

3. The set inner spiral feeding track is combined with two sub-tracks, which can improve the feeding efficiency, and combined with the outer spiral discharging track, the set first screening strip hole and the second screening strip hole can be riveted in the direction Sheet workpiece screening, that is, can meet production requirements, while also greatly reducing labor intensity.

4. The structure is simple and easy to manufacture.

5. The method is simple and easy to operate.

Description of drawings

Fig. 1 is a schematic diagram of a three-dimensional structure provided by the present invention.

Fig. 2 is a schematic diagram of the structure of the riveted composite workpiece provided by the present invention.

Fig. 3 is a schematic diagram of the structure of the rivet workpiece provided by the present invention.

Fig. 4 is a schematic structural diagram of a nut workpiece provided by the present invention.

Fig. 5 is a structural schematic diagram of the rivet sheet feeding mechanism provided by the present invention.

Fig. 6 is a schematic structural view of the vibrating feeding device provided by the present invention.

Fig. 7 is a schematic diagram of the structure of the receiving seat provided by the present invention.

Fig. 8 is a schematic structural view of the nut feeding mechanism provided by the present invention.

Fig. 9 is a schematic structural view of the discharge guide rail provided by the present invention.

Fig. 10 is a schematic structural view of the gripper provided by the present invention.

Fig. 11 is a schematic diagram of the distribution of workpiece manipulators provided by the present invention.

Fig. 12 is a schematic diagram of the state of the U-shaped frame material receiving seat provided by the present invention after material receiving.

Fig. 13 is a schematic diagram of the state of the U-shaped frame receiving seat rotated 90° provided by the present invention.

In the figure, vibrating feeding device 1, vibrating bucket 11, inner spiral feeding track 12, sub-track 13, outer spiral discharging track 14, feeding section 141, discharging section 142, first screening strip hole 15 , the second screening strip hole 16, the material guide piece 17, the connecting rib 18, the material receiving seat 2, the receiving step hole 21, the detection mechanism 22, the infrared detection sensor 221, the step hole 23, the communication port 24, the material delivery device 3 , sliding seat 31, transporting rotating seat 32, transporting driver 33, transporting lifter 34, lifting plate 35, flipping manipulator 4, fixed seat 41, manipulator rotating seat 42, rotating drive 43, mechanical claw 44, mounting plate 5. Frame 6, shaping device 61, riveting device 62, lower positioning seat 621, lifting riveting head 622, longitudinal sliding base 623, positioning pin 624, feeding cylinder 625, nut welding device 63, positioning base 631, welding head 632, workpiece manipulator 7, material shifting drive mechanism 8, beam 81, material shifting sliding seat 82, beam lifting drive mechanism 83, rivet sheet feeding mechanism a, U-shaped frame feeding mechanism b, U-shaped frame feeding track b1, U-shaped frame receiving guide rail b2, U-shaped frame horizontal pushing device b3, U-shaped frame receiving seat b4, U-shaped frame vertical pushing device b5, nut feeding mechanism c, vibrating tray A2, discharging guide rail A3, Gap A31, cantilever type screening block A4, blocking block A5, nut manipulator A6, grabbing hand A61, lifting drive mechanism A62, fixed sliding seat A621, lifting seat A622, horizontal driving mechanism A63, fixed seat A631, translation seat A632, riveting Sheet workpiece 10, U-shaped frame workpiece 20, nut workpiece 30.

detailed description

The following are specific embodiments of the invention and in conjunction with the accompanying drawings, the technical solutions of the present invention are further described, but the present invention is not limited to these embodiments.

As shown in Figures 1-4, the riveting and welding all-in-one machine includes a frame 6, on the frame 6, there are sequentially provided with a material receiving seat 2 for storing the riveting sheet workpiece 10 that meets the set discharge state, and a U-shaped frame workpiece 20. A shaping device 61 for shaping, a riveting device 62 for riveting the U-shaped frame workpiece and the rivet sheet workpiece, and a nut welding device 63 for welding the U-shaped frame workpiece and the nut workpiece 30 .

The receiving seat 2 is arranged horizontally and is made of sheet metal.

The shaping device 61 is an existing technology, and its structure can refer to the utility model patent with the application number [201620222801.7].

The riveting device 62 includes a lower positioning seat. On the lower positioning seat 621, a lifting riveting head 622 capable of lifting in the vertical direction is arranged, and the lifting riveting head is connected with the riveting lifting drive assembly. When the four holes on the rivet workpiece 10 are aligned with the four protrusions on the U-shaped frame workpiece 20, the four protrusions are aligned one by one by the four lifting riveting heads 622 so that the four protrusions are riveted and made The rivet piece workpiece 10 and the U-shaped frame workpiece 20 are fixed together to form a riveted composite workpiece.

Secondly, a riveting transport mechanism capable of transporting the riveting combined workpiece to the riveting device 62 is provided on the frame. As shown in Figure 1, the riveting transport mechanism includes a longitudinal sliding base 623, on which a number of positioning pins 624 are arranged, and a number of positioning holes corresponding to the positioning pins are provided on the riveting composite workpiece, and the positioning pins After being inserted into the positioning hole, the riveted composite workpiece is transported to the riveting device 62 through the movement of the longitudinal sliding base. During riveting, the riveted composite workpiece stays on the longitudinal sliding base. Implement in and out actions.

The vertical sliding base is connected with the material delivery cylinder 625.

The nut welding device 63 includes a positioning base 631 for fixing the riveted composite workpiece, and a welding head 632 that can be lifted in the vertical direction is provided above the positioning base 631. When the nut is placed on the riveted composite workpiece, the nut is connected to the welding head 632 by the welding head 632. The riveted combined workpiece is welded and fixed.

The frame 6 is provided with a rivet feeding mechanism a capable of transporting the rivet workpieces to the receiving seat 2 one by one. Specifically, as shown in FIGS. 1 and 5-7, the rivet feeding mechanism a includes A vibrating feeding device 1 for preliminary screening of rivet workpieces, specifically, the vibrating feeding device 1 includes an open vibrating bucket 11, and a vibrating bucket 11 is provided in which the riveting workpieces The inner spiral feeding track 12 that moves from bottom to top and the upper end of the inner spiral feeding track 12 extends to the open end of the vibrating bucket 11.

The rivet workpiece moves upward along the inner spiral feeding track 12 along with the vibration of the vibrating bucket 11 .

The upper end of the inner spiral feeding track 12 is connected with two sub-tracks 13 arranged inside and outside, and the discharge ends of the two sub-tracks 13 converge on the feeding end of the outer spiral feeding track 14, and the riveting delivered by the inner screw feeding track 12 The sheet workpiece enters into both sub-tracks 13 or into any one of the sub-tracks 13 .

The two sub-tracks set up can prevent the rivet workpiece from being fed at the same time after being stacked, and secondly, the feeding efficiency can be further improved.

The outer spiral discharge track 14 moves the rivet workpiece output by the sub-track 13 from top to bottom, and each sub-track 13 is respectively provided with at least one first screening strip-shaped hole 15, and the outer spiral discharge track 14 is provided with at least one A second screening strip 16.

As an optimization solution, both the first screening strip hole 15 and the second screening strip hole 16 in this embodiment have a fan-shaped structure. That is to say, with the distribution structure of large inside and small outside, the rivet workpiece moves along the track. When passing through the first screening strip hole 15 and the second screening strip hole 16, the circumferential position of the rivet workpiece does not meet the set position , thereby falling into the first screening strip-shaped hole 15 and the second screening strip-shaped hole 16 by the gravity of the rivet workpiece.

The outer spiral discharge track 14 includes a feed section 141 and a discharge section 142 connected to the feed section 141. The feed section 141 forms an acute angle with the axis line of the vibrating bucket 11, that is, the feed section is inclined, and its It can avoid feeding multiple rivet workpieces at the same time. The discharge section 142 is arranged horizontally, which facilitates the stable output of riveting workpieces.

The feed section 141 and the discharge section 142 are provided with at least one above-mentioned second screening bar-shaped hole 16 respectively.

At least one first screening strip-shaped hole is respectively arranged on each sub-track, which can further improve the screening efficiency. When the position of the rivet workpiece does not conform to the set position, it will fall into the vibrating barrel from the first screen hole and the second screen hole, and then re-feed.

In addition, a corner is formed at the junction of the feed section and the discharge section, and a material guide piece 17 is provided at the corner.

The outer spiral discharge track is fixed on the outer side of the inner spiral feed track by several connecting ribs 18 .

As shown in Figure 5-7, a material receiving seat 2 is connected to the discharge end of the vibratory feeding device 1, and a receiving seat 2 is provided on the material receiving device 2 to accept the rivet workpiece output by the vibrating feeding device 1. The step hole 21 is provided with a detection mechanism 22 on the step surface of the receiving step hole 21, which can detect whether the rivet workpieces entering the receiving step hole 21 meet the set discharge state. Several infrared detection sensors 221 are arranged at intervals on the stepped surface of the stepped hole 21 . The material receiving seat 2 is provided with a placement step hole 23 which communicates with the receiving step hole 21 and is used to place the rivet workpiece conforming to the set discharge state.

Chamfers are provided on the upper openings of the receiving step hole 21 and the placement step hole 23 . The design of the chamfer can facilitate the placement of the rivet workpiece and the adjustment of the self-adaptive position.

Specifically, a communication port 24 capable of connecting the receiving step hole 21 and the placement step hole 23 is provided on the material receiving seat 2, and the lower end of the material receiving seat 2 is fixed on the mounting plate 5, and the material conveying device 3 and the The mounting plate 5 is slidably connected, and the transport device 3 can extend upwards into the receiving step hole 21 and move the rivet workpiece from the communication port 24 to the placement step hole 23 after being lifted. Further, the transport device 3 includes a sliding seat 31 that is slidably connected to the mounting plate 5, two guide rails are arranged between the sliding seat 31 and the mounting plate 5, and the sliding connection is realized through the combination of the guide rails and the chute. The top is provided with a material transport rotating seat 32 which is vertically arranged and connected to the sliding seat 31 in rotation. The material transport rotating seat 32 is connected with a material transport driver 33 which can drive its rotation. Device 34 is connected with the lifting plate 35 that is positioned at material transport rotating seat 32 tops.

The lifting plate 35 has a rectangular shape, and lugs 351 are provided on both sides of the lifting plate 35 in the width direction, and there are positioning notches 211 for the lugs 351 to snap into one by one on the inner wall of the receiving step hole 21 .

The provided lug 351 can increase the contact area.

Secondly, a blocking protrusion is respectively provided at the outer end of each lug 351, and two corresponding positioning protrusions are provided at one end of the lifting plate 35, the blocking protrusion and the positioning protrusion form a circumferential positioning space, The rivet workpiece is placed in the positioning space.

The material transport driver 33 is an air cylinder or an oil cylinder;

The material lifter 34 is an air cylinder or an oil cylinder;

That is to say, by setting the conveying device 3, it can realize the lifting, conveying and the adjustment of the circumferential position of the rivet workpiece.

This mechanism also includes a delivery device 3 capable of transporting the rivet workpiece placed in the receiving step hole 21 to the step hole 23 and when the circumferential position of the rivet workpiece detected by the detection mechanism 22 does not conform to the set discharge state The conveying device 3 can lift up the rivet workpiece in the receiving step hole 21 and rotate it to a set discharging state.

This mechanism also includes an overturning manipulator 4 capable of clamping and turning over the rivet workpiece to the set discharge state when the direction of the rivet workpiece lifted by the conveying device 3 does not meet the set discharge state. The overturning manipulator 4 is arranged at the discharge end of the outer spiral discharge track 14 .

Concretely, this overturning manipulator 4 comprises fixed seat 41, is provided with the manipulator rotating seat 42 that is horizontally arranged on fixed seat 41 and is rotatably connected with fixed seat 41, and manipulator rotating seat 42 is connected with the rotating driver 43 that can drive it to rotate, in The front end of the manipulator rotating seat 42 is connected with a mechanical claw 44 capable of taking and releasing the rivet workpiece.

In addition, the discharge section 142 is fixed on the mounting plate 5 through the connecting seat. One end of the material receiving seat 2 provided with a receiving step hole 21 is provided with a feed guide groove, and the bottom of the feed guide groove is flush with the bottom of the discharge groove of the discharge section 142 .

The vibrating part works as follows:

The vibrating barrel vibrates, causing the internal rivet workpiece to pass through the inner spiral feeding track, two sub-tracks and the outer spiral discharging track in sequence, and pass through the first screening bar hole and the second screening bar during the displacement process of the riveting piece The role of the shaped hole is to pre-screen the rivet workpieces, and finally output the rivet workpieces that meet the pre-screening setting output state.

Next, as shown in FIG. 7 , there are three infrared detection sensors 221 in this embodiment, namely, three sensors set as X0 , X1 and X2 , and each of X0 , X1 and X2 corresponds to a display light.

The status of the display light in different working conditions is as follows:

The first type, when the one-to-one corresponding display lights of X0, X1 and X2 are all off, the circumferential position and orientation of the rivet workpiece at this time are in line with the set discharge state, and the material transport device will accept the material in the step hole 21. The rivet workpiece is transported to the step hole 23 and gets final product.

In the second type, when the display lights corresponding to X0 are on, and the one-to-one corresponding display lights of X1 and X2 are all off, the rivet workpiece is turned over 180° by the feeding device and the turning manipulator 4, and then transported to the placement step hole 23 middle.

The third type, when the indicator lights corresponding to X0 and X2 are all on, and the indicator light corresponding to X1 is off, the material transport device lifts the rivet workpiece and transports it to the top of the placement step hole 23, and at the same time passes through the placement step hole 23 Force the rivet workpiece to rotate 180° in the circumferential direction, and then the feeding device places the rivet workpiece in the stepped hole 23 .

Fourth, when the display lights corresponding to X0 and X1 are all on, and the display lights corresponding to X2 are off, the rivet workpiece is turned over 180° by the feeding device and the turning manipulator 4, and then the feeding device lifts the rivet The workpiece is placed above the step hole 23, and the rivet workpiece is forced to rotate 180° in the circumferential direction through the step hole 23, and the rivet workpiece is placed in the step hole 23 by the feeding device.

As shown in Figure 5-7

The method for automatically feeding rivet workpieces includes the following steps:

A. Pre-screening, the rivet workpieces are pre-screened by vibrating feeding, and the rivet workpieces that meet the set discharge state enter into the receiving step hole 21 of the material receiving seat 2;

This step specifically includes the following:

a1. By vibrating the material barrel 11, the rivet workpiece enters the inner spiral feeding track 12, and the inner spiral feeding track 12 moves the rivet workpiece upwards to enter the two sub-tracks 13 or any one of the two sub-tracks 13 13. The first screening strip hole 15 on the sub-track 13 performs preliminary screening on the rivet workpieces, that is, the rivet workpieces that do not meet the set discharge state fall into the vibrating bucket from the first screening strip hole 15 within 11;

a2. The rivet workpiece output by the sub-track 13 enters the upper end of the outer spiral discharge track 14, and the rivet workpiece moves downward through the outer spiral discharge track 14, and the outer spiral discharge track 14 includes a feed section 141 and a discharge section 142, in the process of moving downwards, the feeding section 141 forms an acute angle with the axis line of the vibrating bucket 11, and the second screening is carried out through the second screening bar hole 16 on the feeding section 141, and the second screening is carried out for the second time The screened rivet workpieces are screened for the third time through the second screening strip hole 16 on the discharge section 142, that is, the screening by the second screening strip hole 16 will not meet the set discharge state of the rivets. The workpiece falls into the vibrating barrel 11 from the second screening strip hole 16;

B. Fine screening, through the detection mechanism 22 on the step surface of the receiving step hole 21, detect the circumferential position and orientation of the rivet workpiece entering the receiving step hole 21, and the rivet workpiece that meets the set discharge state after detection Transport to the placement step hole 23;

This step specifically includes the following:

b10. The detection mechanism 22 detects the rivet workpiece, and then lifts the rivet workpiece in the receiving step hole 21 through the feeding device 3 to make the riveting workpiece upwardly separate from the receiving step hole 21. The feeding device 3 has the functions of translation and rotation and lifting function;

b20. When the detection mechanism 22 detects that the orientation of the rivet workpiece does not conform to the set discharge state, the turning manipulator 4 will obtain the lifted rivet workpiece and drive the rivet workpiece to turn over 180°, and turn over the manipulator 4 after turning 180° Release the rivet workpiece, and the released rivet workpiece is carried by the transport device 3;

b30. When the detection mechanism 22 detects that the circumferential position of the rivet workpiece does not meet the set discharge state, the conveying device 3 transports the rivet workpiece to the top of the step hole 23 and drives the rivet through the rotation of the conveying device 3 The sheet workpiece is rotated by 180°, and the riveted sheet workpiece rotated by 180° is lowered by the feeding device 3 so as to release the riveted sheet workpiece into the step hole 23 .

As shown in Figure 1 and Figures 12-13, the U-shaped frame feeding mechanism b that can make the U-shaped frame workpieces be transported to the shaping device 61 one by one is provided on the frame 6, specifically, the U-shaped frame feeding mechanism b includes the U-shaped frame feeding track b1, the U-shaped frame workpieces are neatly arranged on the U-shaped frame feeding track b1, and the materials are discharged one by one under the belt transmission of the U-shaped frame feeding track b1.

There is a U-shaped frame receiving guide rail b2 at the discharge end of the U-shaped frame feeding track b1, and a U-shaped frame that can be placed on the U-shaped frame receiving guide rail b2 is provided at one end of the U-shaped frame receiving guide rail b2 The workpiece is pushed out to the U-shaped frame horizontal pushing device b3 outside the U-shaped frame receiving guide rail b2, and the U-shaped horizontal pushing device b3 includes a horizontal pushing block, which is connected with a horizontal pushing cylinder.

Through the U-shaped frame transverse pushing device b3, it can push out the U-shaped frame workpieces one by one.

The other end of the U-shaped frame feeding track b2 is provided with a U-shaped frame receiving seat b4 that is rotatably connected with the frame 6 and can accept the U-shaped frame workpiece that is separated from the U-shaped frame receiving guide rail b2. Frame material receiving seat b4 is connected with the material receiving seat driver that can drive it to rotate 90 °, and the material receiving seat driver is a motor.

That is, the U-shaped groove of the U-shaped frame workpiece is aligned with the shaping device.

The frame 6 is also provided with a U-shaped frame longitudinal pushing device b5 that can push the U-shaped frame workpiece into the shaping device 61 after the U-shaped frame receiving seat b4 rotates 90°. The vertical pushing device b5 of the U-shaped frame comprises a positioning bottom plate and a vertical pushing block fixed on the outer end of the positioning bottom plate, and a vertical pushing cylinder is connected to the vertical pushing block.

Through the U-shaped frame longitudinal pushing device b5, it can push the U-shaped frame workpiece aligned with the shaping device into the shaping device.

As shown in Figure 1 and Figures 8-10, a nut feeding mechanism c capable of conveying nut workpieces to the nut welding device 63 one by one is provided on the frame 6, specifically, the nut feeding mechanism c includes a vibrating tray A2, the discharge guide rail A3 is connected to the top of the vibrating tray A2, the feed end of the discharge guide rail A3 is connected with a cantilever screening block A4 and the suspended end of the cantilever screening block A4 extends to the top of the discharge guide rail A3, when the nut When the welding bump 11 of the workpiece faces upward and contacts the cantilever type screening block A4, the cantilever type screening block A4 can force the nut workpiece 30 to break away from the discharge guide rail A3, and the discharge end of the discharge guide rail A3 has a blocking block A5 and the nut The workpieces 30 are arranged on the discharge guide rail A3 one by one. The mechanism also includes a nut manipulator A6 capable of grabbing the nut workpieces 30 in contact with the blocking block A5 and transporting them to the next station so as to release the nut workpieces 30 .

There is a notch A31 communicating with the discharge guide rail A3 on both sides of the discharge end of the discharge guide rail A3; the nut manipulator A6 includes a grabbing hand A61 and the grabbing hand A61 can drive the grabbing hand A61 down into the gap A31 so that The lifting drive mechanism A62 grasped by the nut workpiece 30 is connected, and the lifting drive mechanism A62 is connected with a horizontal driving mechanism A63 capable of driving the lifting drive mechanism A62 to move in the horizontal direction.

Further, the above-mentioned horizontal driving mechanism A63 includes a fixed seat A631, on which a translation seat A632 slidingly connected with the fixed seat A631 is provided, and the translation seat A632 is connected with the horizontal driving cylinder.

Further, the above-mentioned lifting drive mechanism A62 includes a fixed sliding seat A621 arranged on the translation seat A632, and a lifting seat A622 which is slidably connected with the fixed sliding seat A621 in the vertical direction is arranged on the fixed sliding seat A621. The seat A622 is connected with the lifting drive cylinder, and the material grabbing hand A61 is arranged on the lifting seat A622.

As shown in Fig. 1 and Fig. 11, the workpiece manipulator 7 corresponding to the material receiving seat 2, the shaping device 61, the riveting device 62 and the nut welding device 63 is also provided on the frame 6, and the workpiece manipulator 7 is a prior art , which can fetch and release artifacts.

The workpiece manipulator 7 is connected with a material shifting drive mechanism 8 that can drive the workpiece manipulator 7 to move up and down in the vertical direction and move in the horizontal direction. The material shifting drive mechanism 8 includes a horizontal beam 81, on which a material shifting sliding seat 82 capable of moving in the horizontal direction is connected and the material shifting sliding seat 82 is connected with the material shifting driver, and on the material shifting sliding seat 82 is connected There is the workpiece manipulator 7 mentioned above, and the beam 81 is arranged on the beam lifting drive mechanism 83 .

The crossbeam lifting drive mechanism 83 includes a fixed base body and a crossbeam lifting cylinder arranged on the fixed base body.

As an optimization scheme, the material shifting drive mechanism 8 of the present embodiment has two,

The workpiece manipulator corresponding to the material receiving seat, the shaping device and the riveting device is respectively arranged on one of the material shifting driving mechanisms, and the workpiece manipulator corresponding to the nut welding device is arranged on the other material moving driving mechanism.

Of course, the structure of this embodiment can be two symmetrically arranged material receiving seats 2, two symmetrically arranged shaping devices 61 and two symmetrically arranged riveting devices 62, that is, two sets of riveting combined workpiece processing lines are formed, two The processing line alternates to the nut welding device 63 to realize alternate nut welding.

The working principle of this embodiment is as follows:

1. Feeding of rivet workpieces and U-shaped frame workpieces;

2. Transport the U-shaped frame workpiece to the shaping device for shaping;

3. Place the rivet workpiece on the U-shaped workpiece, the four protrusions on the U-shaped workpiece are aligned with the four holes on the rivet workpiece and the protrusions are inserted into the holes;

4. The protrusion is riveted by the riveting device, forcing the U-shaped frame workpiece to be connected with the rivet piece workpiece, that is, forming a riveted composite workpiece;

5. Place the nut workpiece at the set position of the riveted composite workpiece;

6. Connect the nut workpiece with the riveted composite workpiece through the nut welding device 63;

7. Discharge after welding.

The specific embodiments described herein are merely illustrative of the spirit of the invention. Those skilled in the art to which the present invention belongs can make various modifications or supplements to the described specific embodiments or adopt similar methods to replace them, but they will not deviate from the spirit of the present invention or go beyond the definition of the appended claims range.

Claims (10)

1. a kind of rivet welding all-in-one, including frame (6), are disposed with frame (6) and meet setting discharging shape for storage The splicing seat (2) of state riveting piece workpiece (10), the apparatus for shaping (61) of shaping is carried out to U-shaped frame workpiece (20), to U-shaped frame workpiece and Riveting set (62) and the nut-welding of combination workpiece and nut workpiece (30) welding will be riveted that riveting piece workpiece is riveted Device (63), it is characterised in that provided with the riveting piece that riveting piece workpiece can be made to be transported to one by one on splicing seat (2) in frame (6) Feeding mechanism (a), provided with the U-shaped frame charging that U-shaped frame workpiece can be made to be transported to one by one in apparatus for shaping (61) in frame (6) Mechanism (b), the nut charger that nut workpiece is delivered on nut-welding device (63) one by one can be made by being provided with frame (6) Structure (c), is additionally provided with and splicing seat (2), apparatus for shaping (61), riveting set (62) and nut-welding device in frame (6) (63) one-to-one workpiece manipulator (7), described workpiece manipulator (7) is with that can drive workpiece manipulator (7) in vertical side Shifting material drive mechanism (8) connection moved to lifting moving and horizontal direction.

2. rivet welding all-in-one according to claim 1, it is characterised in that described riveting piece feeding mechanism (a) includes being used for The oscillatory type feed arrangement (1) of preliminary screening is carried out to riveting piece workpiece, is connected with and connects in the discharge end of oscillatory type feed arrangement (1) Expect seat (2), the undertaking step accepted on splicing seat (2) provided with the riveting piece workpiece that can export oscillatory type feed arrangement (1) Hole (21), the riveting piece for entering to and accepting in stepped hole (21) can be detected one by one by being provided with the step surface for accepting stepped hole (21) Whether workpiece meets the testing agency (22) of setting discharge state, is provided with and is connected with accepting stepped hole (21) on splicing seat (2) And meeting the placement stepped hole (23) of setting discharge state riveting piece workpiece for placing, mechanism also includes to hold being placed on The riveting piece workpiece in stepped hole (21) is connect to be transported to the conveying device (3) placed in stepped hole (23) and work as testing agency (22) inspection The conveying device (3) will can be accepted in stepped hole (21) when the riveting piece workpiece circumferential position of survey does not meet setting discharge state Riveting piece workpiece is lifted and rotated to setting discharge state upwards, and mechanism is also included when the riveting piece work lifted by conveying device (3) Part by the riveting piece piece-holder and can be overturn to the turning mechanical for setting discharge state towards when not meeting setting discharge state Hand (4).

3. rivet welding all-in-one according to claim 2, it is characterised in that described splicing seat (2) is provided with and will can held Connect stepped hole (21) and place the connected entrance (24) that stepped hole (23) is connected, and the lower end of splicing seat (2) is fixed on installing plate (5) On, described conveying device (3) is slidably connected with installing plate (5) and conveying device (3) can be extended upwardly into undertaking stepped hole (21) it is moved to after being lifted in and by riveting piece workpiece from connected entrance (24) in placement stepped hole (23).

4. rivet welding all-in-one according to claim 3, it is characterised in that described conveying device (3) includes and installing plate (5) sliding seat (31) being slidably connected, it is in be vertically arranged and rotate what is be connected with sliding seat (31) to be provided with sliding seat (31) Haul rotation seat (32), the haul rotation seat (32) is connected with the haul driver (33) that it can be driven to rotate, and is rotated in haul It is connected with seat (32) by haul lifter (34) and lifts plate (35) above haul rotation seat (32).

5. the rivet welding all-in-one according to Claims 2 or 3 or 4, it is characterised in that described turning manipulator (4) includes Fixed seat (41), provided with the manipulator rotation seat for laterally setting and being connected with fixed seat (41) rotation in fixed seat (41) (42), manipulator rotation seat (42) is connected with the rotary driver (43) that it can be driven to rotate, in manipulator rotation seat (42) Front end is connected with the gripper (44) that riveting piece workpiece can be obtained and discharged.

6. the rivet welding all-in-one according to Claims 2 or 3 or 4, it is characterised in that described oscillatory type feed arrangement (1) It is interior provided with can make that riveting piece workpiece moves from the bottom up in vibration charging basket (11) including with open vibration charging basket (11) The upper end of spiral feeding track (12) and inside spin feeding track (12) extends to the opening end of vibration charging basket (11), in inside spin Feeding track (12) upper end is connected with two discharge ends in the inside and outside sub-track (13) set and two sub-tracks (13) and converged Feed end in external spiral discharging track (14), the riveting piece workpiece that external spiral discharging track (14) exports sub-track (13) is from upper Move down, at least one first screening bar hole (15) is respectively equipped with each sub-track (13), in outer spiral discharging rail Road (14) is provided with least one the second screening bar hole (16).

7. the rivet welding all-in-one according to Claims 2 or 3 or 4, it is characterised in that described nut feeding mechanism (c) bag Vibrating tray (A2) is included, discharge guide (A3) is connected with the top of vibrating tray (A2), is connected in discharge guide (A3) feed end The free end for being connected to cantilevered screening block (A4) and cantilevered screening block (A4) extends to discharge guide (A3) top, works as nut The pedestal (11) of workpiece upward and with cantilevered screening block (A4) contact when the cantilevered screen block (A4) this can be forced Nut workpiece (30) departs from discharge guide (A3), has stopper (A5) and nut workpiece in the discharge end of discharge guide (A3) (30) it is arranged in one by one on discharge guide (A3), mechanism also includes the nut workpiece (30) that will can be contacted with stopper (A5) Capture and be transported to next station to discharge the nut manipulator (A6) of nut workpiece (30).

8. rivet welding all-in-one according to claim 7, it is characterised in that described discharge guide (A3) discharge end both sides tool There is the breach (A31) connected with discharge guide (A3)；Nut manipulator (A6) include material grasping hand (A61) and material grasping hand (A61) with Material grasping hand (A61) can be driven to be downwardly into breach (A31) so as to the lift drive mechanism for capturing nut workpiece (30) (A62) connect, described lift drive mechanism (A62) is with that can drive what lift drive mechanism (A62) was moved in the horizontal direction Horizontal drive mechanism (A63) is connected.

9. rivet welding all-in-one according to claim 1, it is characterised in that described U-shaped frame feeding mechanism (b) includes U-shaped Frame feed rail (b1), is provided with U-shaped frame splicing guide rail (b2) in the discharge end of U-shaped frame feed rail (b1), is led in U-shaped frame splicing One end of rail (b2), which is provided with, to be pushed out to U-shaped frame splicing guide rail by the U-shaped frame workpiece being placed on U-shaped frame splicing guide rail (b2) (b2) the horizontal material-pulling device (b3) of U-shaped frame outside, is provided with the other end of U-shaped frame feed rail (b2) and rotates company with frame (6) The U-shaped frame splicing seat (b4) that the U-shaped frame workpiece of U-shaped frame splicing guide rail (b2) is accepted is connect and can will be disengaged from, described U-shaped frame connects Material seat (b4) is additionally provided with when U-shaped frame splicing seat with the splicing seat driver that it rotates 90 ° can be driven to be connected in frame (6) (b4) the longitudinal material-pulling device (b5) of the U-shaped frame that U-shaped frame workpiece can be pushed into after 90 ° in apparatus for shaping (61) is rotated.

10. rivet welding all-in-one according to claim 1, it is characterised in that described shifting material drive mechanism (8) includes level The crossbeam (81) of setting, the shifting material sliding seat (82) that can be moved in the horizontal direction is connected with crossbeam (81) and material is moved and slided Seat (82) is connected with moving material driver, and above-mentioned workpiece manipulator (7), described crossbeam are connected with material sliding seat (82) is moved (81) it is arranged in beam lifting drive mechanism (83).