WO2019071639A1 - Welding machine for concave piece - Google Patents

Abstract

Disclosed is a welding machine (100) for a concave piece, the welding machine comprising: a rotary table (5), a plurality of positioning fixtures (53), an assembly mechanism (11) and a welding module (6). The rotary table (5) comprises a driving base (51) and a multi-station circular rotary disk (52) arranged on the driving base (51). The multi-station circular rotary disk (52) is equally circumferentially divided into a plurality of stations; each of the stations is provided with one positioning fixture (53); and a plurality of L-shaped concave pieces (102) are arranged on a side surface of each of the positioning fixtures (53), a threaded stud (104) is arranged on a top surface of each of the positioning fixtures (53), one end of the concave piece (102) is sheathed on the threaded stud (104), and the assembly mechanism (11) is used for clamping the concave piece (102) and the threaded stud (104). A light beam emitted from the welding module (6) directly reaches the top surface of the positioning fixture (53) to weld the concave piece (102) and the threaded stud (104) together. The welding machine for a concave piece clamps the concave piece and the threaded stud by using the assembly mechanism, thereby realizing the precise positioning of the concave piece and the threaded stud, avoiding the offset of the concave piece from the threaded stud during welding, and improving the welding yield of the concave piece and the threaded stud.

Description

Inner concave welding machine Technical field

The utility model relates to the field of assembly welding technology, in particular to an inner concave welding machine for welding inner concave sheets and studs together.

Background technique

The handheld mobile terminal, such as a mobile phone, an IPAD, a notebook computer or the like, is provided with a concave piece, and one end of the concave piece is an L-shaped bent portion, and the middle position of the bent portion includes a circular hole, and the position of the circular hole is used A stud is set up, and when the stud is assembled with the inner concave piece, the stud is welded with the inner concave piece by a laser to function, and the inner concave piece with the stud can be followed by The midplanes are assembled to securely assemble the electronic components in the handheld mobile terminal. When the inner concave piece and the stud are manually welded, the inner concave piece is unstable in positioning, and the inner concave piece is easily displaced, and the welding yield is not high at that time.

Utility model content

In view of the above, it is necessary to provide an inner concave welding machine capable of solving the above technical problems.

An inner concave welding machine comprising:

a rotating machine, the rotating machine includes a driving base and a multi-station circular turntable disposed on the driving base, the driving base is configured to drive the multi-station circular turntable to rotate, the multi-station The circular turntable is equally divided into a plurality of stations along the circumference;

a plurality of positioning fixtures, each of which is provided with one of the positioning fixtures, each positioning fixture comprises a side surface and a top surface perpendicularly connected to the side surface, and a top surface of each positioning fixture is provided with a stud. An inner concave piece to be welded is disposed on the side surface and one end of the inner concave piece is sleeved on the stud;

An assembly mechanism disposed on one side of the multi-station turntable and corresponding to one of the stations, the assembly mechanism for clamping a positioning fixture from the multi-station turntable and from the positioning The top surface, the bottom surface and the side surface of the fixture clamp the stud and the inner concave piece; and

a welding module, the light beam emitted by the welding module is directly to the top surface of the positioning fixture to weld the inner concave piece and the stud.

In a preferred embodiment, the number of the positioning fixtures is six, and six positioning fixtures are arranged around the multi-station circular turntable, that is, the corresponding circumferential angle of each positioning fixture is 60 degrees. The multi-station circular turntable reaches the next station every 60 degrees of rotation.

In a preferred embodiment, each of the positioning fixtures includes a bottom plate and a main board perpendicular to the bottom plate, the bottom plate and the main plate collectively form an L shape, and the main board includes the side surface And the top surface, the main board further includes a bottom surface opposite to the top surface, the side surface is provided with a plurality of mounting slots and a receiving slot, the mounting slots are vertically disposed, and the center of the plurality of mounting slots is connected a suction line is disposed in each of the installation slots, the suction cup is configured to adsorb and fix the inner concave piece; the receiving groove is laterally disposed, and the receiving groove is provided with a movable top needle top plate, a top post is disposed on the top plate of the ejector pin, the top post extends through one side of the receiving groove and extends to the top surface, the top post is used to sleeve the stud, and the stud includes An annular projection, the inner concave piece to be welded is L-shaped and includes a screw hole, the screw hole is sleeved with the annular protrusion when the inner concave piece is fixed to the side surface; the main board is disposed on the bottom plate An upper surface, and a side surface of the main board is flush with a side surface of the bottom plate.

In a preferred embodiment, the bottom plate includes an upper surface, a lower surface parallel to the upper surface, and a side surface perpendicularly connecting the upper surface and the lower surface; the lower surface is provided with a V-shaped groove, the multi-station The circular turntable is provided with a V-shaped protrusion that cooperates with the V-shaped groove, and the positioning fixture is detachably disposed on the multi-station circle by the cooperation of the V-shaped groove and the V-shaped protrusion. On the turntable.

In a preferred embodiment, the number of the top posts is the same as the number of the suction cups; the top surface is provided with a plurality of receiving grooves, and the top posts penetrate from one of the side surfaces of the receiving groove to the The top surface is exposed in the receiving groove; the portion of the top column exposed in the receiving groove is for nesting the stud.

In a preferred embodiment, two ends of the top surface are provided with two first positioning a plurality of the receiving slots are located between the two first positioning pins, and the mounting mechanism defines a positioning hole that cooperates with the first positioning pin to position the assembly mechanism and clamp the positioning treatment With.

In a preferred embodiment, the side surface is further provided with a plurality of second positioning pins, the second positioning pins are disposed in pairs, and each pair of second positioning pins are respectively located at upper and lower ends of each suction cup, A pin hole is formed in the concave piece to cooperate with the second positioning pin. When the suction cup absorbs the inner concave piece, the pin hole on the inner concave piece is inserted through the second positioning pin.

In a preferred embodiment, the positioning fixture further includes a jack that extends through a bottom surface of the main board and extends to one side of the receiving slot, and the jack is vertically movable under the driving of the cylinder Moving in a straight direction to push the movement of the top plate of the thimble, thereby driving the top post to move in the vertical direction in the receiving groove to engage the pin hole of the inner concave piece with the annular protrusion of the stud.

In a preferred embodiment, the assembly mechanism comprises: a bottom plate, a side plate vertically connected to the bottom plate, a lower pressing cylinder disposed on a front surface of the side plate, a pressing mechanism connected to the lower pressing cylinder, an upper top cylinder, and an upper top An upper top mechanism connected to the cylinder, a side pressing mechanism disposed on a rear surface of the side plate; the upper top cylinder drives the upper top mechanism to move upward, the lower pressing cylinder drives the lower pressing mechanism to move downward, the pressing mechanism and the upper pressing mechanism The top mechanism jointly clamps the positioning fixture, and the pressing mechanism is the hook for pressing the inner concave piece; the side pressing mechanism is through the side plate, and the side pressing mechanism is from the positioning The side of the mechanism presses the inner concave piece.

In a preferred embodiment, the bottom surface is further provided with a groove extending along a width direction of the bottom surface, and the assembling mechanism further includes a driving top portion extending through the side plate and driving the top portion. a cylinder, the jacking portion of the mounting mechanism is inserted into the recess to lift the positioning fixture from the multi-station turntable.

Compared with the prior art, the inner concave welding machine provided by the utility model utilizes an assembly mechanism to clamp the inner concave piece and the stud, thereby realizing precise positioning of the inner concave piece and the stud, the inner concave piece When the stud is welded, the offset between the concave piece and the stud does not occur, and the welding yield of the inner concave piece and the stud is improved.

DRAWINGS

1 is an overall structural view of an inner concave automatic assembly welding machine provided by the present invention.

2 is a structural view of the inner concave automatic welding machine of FIG. 1 after removing the surrounding side cabinet.

Fig. 3 is a structural view of a concave piece and a stud.

Figure 4 is a structural view of the automatic upper stud module.

Figure 5 is an exploded view of the automatic upper stud module provided in Figure 4.

Figure 6 is a structural view of the inner concave sheet loading module.

Fig. 7 is a structural view of the marking jig.

Fig. 8 is a structural view of an automatic die mounting module.

Fig. 9 is a structural view showing the welding state of the inner concave piece and the stud.

Fig. 10 is a structural view of a rotary stage.

Figure 11 is a structural view of the assembly mechanism holding the positioning jig.

Figure 12 is a structural view of the assembly mechanism of Figure 11 showing a further viewing angle of the positioning fixture.

Figure 13 is a structural view of a positioning jig.

Figure 14 is a structural view of still another viewing angle of the positioning jig.

Fig. 15 is a configuration diagram of the first automatic detecting device.

Figure 16 is a schematic view showing the operation of the self-adhesive automatic assembly welding machine.

Main component symbol description

Inner concave automatic assembly welding machine	100
Inner concave piece	102
Outer frame	103
Stud	104
Annular projection	1040
Carrier platform	101
Automatic upper stud module	1
Inner concave film loading module	2
Marking fixture	3
Automatic mounting concave module	4
Rotary machine	5
Welding module	6

Support base	61
Welding machine	63
Automatic lower concave module	7
First automatic detecting device	8
Pedestal	80
flat	81
Upper and lower cylinder	84
Detection probe	82
Stud tip	83
Receiving box	85
Traverse cylinder	86
Second automatic detecting device	9
Assembly mechanism	11
To the top	135
Drive cylinder	136
Platelet	106
The hook	108
Screw hole	110
Pin hole	112
Bearing fixture	31
Rotary cylinder	32
support	33
Marking machine	34
Marking head	35
Support base	41

Rotary cylinder	42
Suction grip	43
Forward cylinder	44
Vertical linear module	45
Traverse linear module	46
Drive base	51
Multi-station turntable	52
Positioning fixture	53
Bottom plate	54
Motherboard	55
Upper surface	541
lower surface	542
Side surface	544
V-groove	5220
Top surface	550
Bottom	552
side	554
Holding slot	5501
First positioning pin	5502
Mounting slot	5520
Receiving slot	5522
Suction cup	556
Groove	567
Thimble top plate	558
Top column	560

Second positioning pin	562
Bump	565
Pole	566
Trays	114
Adjustment pad	160
Stud vibration	161
Stud direct vibration	162
Stud dispensing mechanism	163
Stud traverse mechanism	164
Stud suction block	165
Bayonet	521
Concave	540
Tip	261
Hole	1630
gap	1614
Round housing	1610
Round step	1612
Bottom plate	1620
Cover	1622
Storage slot	1624
Trays	210
Clinker cutting module	12
Substrate	20
First district	twenty one
Second district	twenty two

Third district	twenty three
Vertical beam	twenty four
Lateral handling module	25
Grab	26
Change traverse module	27

The present invention will be further described in conjunction with the above drawings in the following detailed description.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the drawings in the embodiments of the present invention. It is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. example. All other embodiments obtained by those skilled in the art based on the embodiments of the present invention without creative efforts are within the scope of the present invention.

It should be noted that when an element is considered to be "connected" to another element, it can be connected directly to the other element or. When an element is considered to be "disposed on" another element, it can be placed directly on the other element or the element.

All technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to the invention. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments. The purpose is not intended to limit the invention. The term "and/or" used herein includes any and all combinations of one or more of the associated listed items.

Referring to FIG. 1-2, an inner concave automatic assembly welding machine 100 provided by the present invention includes an inner concave welding machine 200 for automatically assembling the inner surface of the welding machine 100. The studs 104 are automatically assembled, and the inner plate welding machine 200 is used to weld the inner concave piece 102 and the stud 104. The inner piece automatic assembly welding machine 100 and the inner piece welding machine 200 together realize the inner concave piece 102. Assembly with studs and automation of welding.

Referring to FIG. 3, the inner concave piece 102 includes a strip-shaped thinned sheet-like body 106 and a hook 108 perpendicular to the sheet-like body 106. The sheet-like body has a substantially rectangular parallelepiped shape, and the hook 108 Located at the middle of the wide side of the sheet 106. The hook 108 includes a threaded hole 110. The screw hole 110 is a hole for assembling with the stud 104.

Referring to FIG. 2, the inner concave automatic assembly welding machine 100 includes a bearing platform 101, an outer frame 103 matched with the carrying platform, an automatic upper stud module 1 disposed on the carrying platform 101, and an inner concave loading die. Group 2, marking fixture 3, automatic inner concave piece module 4, inner concave piece welding machine 200, automatic lower inner concave piece module 7, first automatic detecting device 8, second automatic detecting device 9, and cooked Material blanking module 12. The inner sheet welding machine 200 includes a rotating machine table 5, a welding module 6, and an assembly mechanism 11.

Referring to FIG. 5 and FIG. 5 , the automatic upper stud module 1 includes an adjustment pad 160 , a stud circular vibration 161 disposed on the adjustment pad 160 , a stud direct vibration 162 , and a stud split . The mechanism 163, the stud traverse mechanism 164, and the stud suction block 165 disposed on the stud traverse mechanism. The stud circular vibration 161 includes a circular receiving portion 1610. The circular receiving portion 1610 is provided with a circular step portion 1612. The step portion 1612 is for carrying a stud that needs to be assembled later. The stud circular vibration 161 further includes a notch 1614. Stud direct vibration 162 is disposed at the location of the notch 1614.

The stud direct vibration 162 includes a bottom plate 1620 and a cover body 1622 that is engaged with the bottom plate 1620. The bottom plate 1620 is provided with five receiving grooves 1624 spaced apart from each other. The receiving groove 1624 is for receiving a stud that is vibrated from the stud. The stud circular vibration 161 swings the studs carried therein to form two flow channel studs and is sent to the stud direct vibration 162. The stud direct vibration 162 divides the two flow channel studs into five flow paths.

The stud dispensing mechanism 163 includes five hole portions 1630 that can be moved to make each hole portion 1630 communicate with or not communicate with the receiving groove 1624, and each time it is taken out from the receiving groove 1624. Studs. The stud suction block 165 is used to suck up the five studs on the stud dispensing mechanism 163, and the stud traverse mechanism 164 is used to load the studs sucked by the stud suction block 165 to the positioning jig 53. on.

Referring to FIG. 6 , the inner chip loading module 2 includes a substrate 20 , a first region 21 , a second region 22 , a third region 23 , which are fixedly disposed on the substrate 20 and supported by the pillars, and are fixed on the substrate. The upper vertical beam 24, the lateral transport module 25 disposed on the vertical beam 24, the hand grip 26 and the disc change traverse module 27 disposed at one end of the lateral transport module 25 in parallel with the vertical beam.

The tray 210 is used to carry the inner concave sheet 102. The first zone 21 is used for the tray 210 which is emptied by the code, the second zone 22 is used to place the tray 210 to be grasped, and the third zone 23 is used for stacking the tray 210 filled with the concave sheets. Of course, it can be understood that the positions of the first zone and the third zone can be replaced.

The hand grip 26 includes a suction head 261 that can grab five inner concave sheets from the tray 210 in the second zone 22 and feed it under the marking fixture 3 for marking the fixture. 3 Mark it.

The disk shifting traverse module 27 is disposed on the substrate 20 and located below the first zone 21, the second zone 22, and the third zone 23, each time the hand grip 26 will be in a tray 210 full of inner concave sheets. After the inner concave piece 102 is completely taken out, the disk changing traverse module 27 moves the tray from the second zone 22 to the first zone 21, and then moves a full loading tray from the third zone 23 to the second zone 22, thus circulating .

Referring to FIG. 7, the marking jig 3 is used for marking on the inner concave piece 102. The marking jig 3 includes a carrying jig 31, a rotating cylinder 32, a bracket 33, and a marking machine 34 disposed on the bracket 33. The bearing fixture 31 is used for carrying and fixing the inner concave piece 102 to be marked by the suction nozzle, and the rotary cylinder 32 is an inner concave piece 102 capable of driving the bearing fixture 31 so as to be able to be grasped by hand. The bracket 33 is configured to support the marking machine 34 such that the marking head 35 of the marking machine 34 is directly above the carrying fixture 31 so that the inner concave piece 102 in the carrying fixture 31 can be Marking.

Referring to FIG. 8, the automatic die mounting module 4 is used for marking the inner concave piece. 102 is loaded to the corresponding position of the positioning jig 53 included in the rotary table 5. The automatic die mounting module 4 includes a support base 41, a rotary cylinder 42 disposed on the support base 41, a suction grip 43 disposed on a side of the rotary cylinder 42, and a forward cylinder 44 disposed on the rotary cylinder 42. A vertical displacement linear module 45 disposed on the forward cylinder 44 and a traverse linear module 46 mated with the vertical displacement linear module 45.

The rotary cylinder 42 can be rotated 90 degrees with respect to the support base to have two states of horizontal and vertical, and the horizontal state is for grasping the concave piece 102 from the marking jig 3, and the vertical state is for The concave piece 102 on the suction grip is loaded to the positioning jig 53. The vertical displacement linear module 45 and the traverse linear module 46 respectively drive the suction grip 43 to move in the vertical direction and the horizontal direction, and the horizontal movement and the vertical movement mean that the suction grip 43 can be adjusted to The appropriate height and the appropriate distance are advanced so that the marked inner concave sheet can be horizontally taken out from the load-bearing jig 31 included in the marking jig 3. After the inner concave piece is taken out from the marking fixture 3, the inner concave piece is transported to the rotary machine 5, and the rotary cylinder 42 is further rotated by 90 degrees to rotate the inner concave piece 102 to the vertical direction, and then the inner concave piece is loaded to The positioning jig 53 has been loaded with studs.

In the embodiment, the rotating machine table 5 includes a driving base 51, a multi-station circular turntable 52 disposed on the driving base 51, and a plurality of positioning fixtures disposed on the multi-station circular rotating plate 52. 53. In the present embodiment, the number of the positioning jigs 53 is six, and six positioning jigs 53 are arranged around the multi-station circular turntable 52, that is, the circumferential angle corresponding to each positioning jig 53 is 60 degrees. Multi-station round A bayonet 521 is provided on the turntable 52.

Each time the multi-station circular turntable 52 is rotated by 60 degrees, it will correspond to the next station. When rotating to the corresponding station, the rotating machine 5 will stop for a few seconds, and will not rotate until the next station after the action of the corresponding station is completed. The time for each station to rotate is less than the time of its stop. For example, it takes 1 second to rotate from the previous station to the next station, but the time to stay in the next station is 5 seconds. It can be understood that each time the rotary machine 5 rotates to a work station, the device corresponding to the work station starts to perform related actions to ensure that each process proceeds smoothly in sequence.

Referring to FIG. 2 together, the six stations corresponding to the six positioning fixtures 53 are arranged counterclockwise from the upper stud: the station of the upper stud to the positioning fixture, and the first stud detector. The position, the upper concave piece to the positioning fixture station, the inner concave welding station, the automatic lower clinker station, and the second stud inspection station. The device corresponding to each of the above stations is: an automatic upper stud module 1, a first automatic detecting device 8, an automatic inner concave piece module 4, a welding module 6, a clinker cutting module 12, and The second automatic detecting device 9.

Referring to FIG. 13, each of the positioning fixtures 53 includes a bottom plate 54 and a main plate 55 perpendicular to the bottom plate. The bottom plate 54 and the main plate 55 collectively form an L shape. The bottom plate 54 includes an upper surface 541, a lower surface 542 opposite the upper surface 541, and a side surface 544 that vertically connects the upper surface 541 and the lower surface 542. The lower surface 542 is provided with a V-shaped groove 5420, and the multi-position circular turntable 52 is provided with a V-shaped protrusion that cooperates with the V-shaped groove, and the positioning fixture 53 passes through the V-shaped groove 5420. With V-shaped bumps It is detachably disposed on the multi-station circular turntable 52.

Referring to FIG. 13 , the main board 55 includes a top surface 550 , a bottom surface 552 parallel to the top surface 550 , and a side surface 554 connecting the top surface and the bottom surface, and the main board 55 is disposed on the upper surface 541 of the bottom plate 54 , and The side surface 554 of the main board 55 is flush with the side surface 544 of the bottom plate 54.

The top surface 550 defines a plurality of receiving slots 5501. A plurality of first positioning pins 5502 are disposed at both ends of the top surface 550, and the first positioning pins 5502 are subsequently engaged with the assembly mechanism 1, 1 to cause the assembly mechanism 11 to clamp the positioning fixture 53.

Referring to FIG. 13, the side surface 554 is provided with a plurality of mounting slots 5540 and a receiving slot 5542. The center lines of the plurality of mounting slots 5540 are on the same straight line. A suction cup 556 is disposed in each of the mounting grooves 5540, and the suction cup 556 is configured to adsorb and fix the inner concave piece 102 to prevent the inner concave piece 102 from being positioned by the centrifugal force when the rotary machine table 5 is rotated. The jig 53 went out.

The bottom surface 552 is further provided with a groove 567 extending along the width direction of the bottom surface. The jacking portion 135 of the assembly mechanism 11 is inserted into the recess 567 to lift the positioning jig 53 from the multi-station turntable.

Referring to FIG. 13, the receiving groove 5542 is disposed laterally, that is, the receiving groove 5542 is perpendicular to the fixing direction of the inner concave piece. A ejector top plate 558 is disposed in the receiving groove 5542. The ejector top plate 558 is convexly disposed with a plurality of top posts 560. The number of the top posts 560 is consistent with the number of the suction cups 556. The top post 560 receives from the One of the side surfaces of the groove 5542 extends through the top surface 550 until it is exposed in the receiving groove 5501. The portion of the top post that is exposed in the receiving groove 5501 is for nesting the studs 104. The stud 104 further includes an annular projection 1040 that surrounds the stud hole, the annular projection 1040 being for engaging with the hook 108 of the inner recess 102.

Referring to FIG. 13 , the side surface 554 is further provided with a plurality of second positioning pins 562 , and the second positioning pins 562 are disposed in pairs. Each pair of second positioning pins 562 are respectively located on the upper and lower sides of each suction cup 556 . a pin hole 112 corresponding to the second positioning pin 562 is disposed on the inner concave piece 102. When the suction cup 556 adsorbs the inner concave piece 102, the pin hole 112 on the inner concave piece 102 is inserted through the second hole The pin 562 is positioned to prevent the inner concave piece 102 from being misaligned, resulting in poor welding of the inner concave piece 102 and the stud 104.

The positioning fixture 53 further includes a top block 564 and a top rod 566 connected to the top block 564. The jack 566 is movable in a vertical direction under the driving of the cylinder to push the movement of the top needle top plate 558. The top post 560 is moved in the vertical direction in the receiving groove 5501 to engage the pin hole 112 of the inner concave piece 102 with the annular protrusion 120.

The bottom plate 54 is provided with a recess 540 corresponding to the bayonet 521, that is, the recess 540 is aligned with the bayonet 521 and the bayonet 521 exposes the jack 566. The alignment of the bayonet 521 with the recess 540 is to prevent the offset of the positioning fixture.

Referring to FIG. 14 , the bottom of the positioning fixture 53 is further provided with a protrusion 565 , which is located on the side of the recess 540 . The bump 565 is used for positioning A gap is formed between the jig 53 and the circular multi-station turntable 52 to facilitate the subsequent assembly mechanism 11 to easily jack up the positioning jig 53.

Referring to FIGS. 9-13, the assembly mechanism 11 is disposed behind one of the positioning jigs 53. The assembly mechanism 11 includes a bottom plate 120, a side plate 122 perpendicular to the bottom plate 120, a lower pressing cylinder 124 disposed on the front surface of the side plate, a lower pressing mechanism 126 connected to the lower pressing cylinder, an upper top cylinder 128, and an upper top cylinder The connected telescopic upper top mechanism 130 and the telescopic side pressure mechanism 132 disposed on the rear surface of the side panel. The mounting mechanism 11 further includes a jacking portion 135 extending through the side plate 122 and a driving cylinder 136 driving the jacking portion 135. The driving cylinder 136 can drive the jacking portion 135 to telescope to be able to The positioning jig 53 is removed from the station circular turntable 52.

The upper top cylinder 128 drives the upper top mechanism 130 to move upward, the lower pressing cylinder 124 drives the lower pressing mechanism 126 to move downward, and the pressing mechanism 126 and the upper top mechanism 130 jointly hold the positioning fixture 53 and The pressing mechanism 126 is the hook 108 that presses the inner concave piece 102. The side pressing mechanism penetrates the side plate 122, and the side pressing mechanism 132 presses the inner concave piece 102 against the side of the positioning jig 53.

After the inner concave piece 102 is welded, the assembly mechanism 11 lowers the positioning jig 53 to the multi-station circular turntable 52, and then the multi-station turntable 52 continues to rotate to the next station.

The welding module 6 includes a support base 61 and a welding machine 63 disposed on the support base 61. The support base 61 is fixed to the carrier platform 101. The welding machine 63 is Located above the assembly mechanism 11, the welding beam emitted by the welding machine 63 can reach the position of the hook 108 of the inner concave piece 102 on the positioning jig 53 clamped by the assembly mechanism 11.

The structure of the automatic lower concave die module 7 is completely the same as that of the automatic inner concave die module 4. Therefore, the structure of the automatic lower concave die module 7 can be referred to the structure of the automatic inner concave die module 4. The structure of the automatic lower concave die module 7 will not be described herein. The automatic lower concave die module 7 is for removing the welded inner concave piece 102 from the positioning jig to the tray.

The first automatic detecting device 8 has the same structure as the second automatic detecting device 9. Only the structure of the first automatic detecting device 8 will be described here, and the structure of the second automatic detecting device 9 can be referred to the structure of the first automatic detecting device 8.

Referring to FIG. 15, the first automatic detecting device 8 includes a base 80, a flat plate 81 disposed at the top end of the base 80, a detecting probe 82 disposed on the flat plate 81 toward the bottom of the base 80, and a stud tip 83, and The upper and lower cylinders 84 are provided on the back side of the base 80. A receiving box 85 is fixedly disposed on a side surface of the base 80 and below the detecting probe 82, and a traverse cylinder 86 is disposed at a bottom of the base 80. The detecting probes 82 are in one-to-one correspondence with the receiving slots 5501, and each of the detecting probes 82 is configured to detect whether a stud 104 is placed on a top post 560. The stud tips 83 are disposed on both sides of the detecting probe 82. The upper and lower cylinders 84 can drive the flat plate 81 to move in the vertical direction. The first detecting device 8 is disposed after the automatic upper stud station and before the marking station.

The working principle of the first detecting device 8 is that the upper and lower cylinders 84 are moved downward, and the detecting probe 82 is moved down to a suitable distance to the top surface of the positioning fixture, and whether the probe outputs a signal to detect each of the top pillars Whether the stud 104 is sleeved on the 560.

The second automatic detecting device 9 is disposed after the station of the automatic lower concave die module 7, and when the inner concave piece 102 and the stud 104 are welded, the automatic inner concave piece module 7 is automatically removed from the positioning jig 53. After the welded inner concave piece 102 is removed, each top post 560 is tested to prevent the stud 102 from remaining on the top post 560. If the stud 102 remains on the top post, the upper and lower cylinders 83 and the traverse cylinder 86 Actuation is performed to draw the studs on the top post 560 through the stud tips 83 and place them in the receiving box 85.

Referring to FIG. 16 together, the working process of the inner concave automatic assembly welding machine 100 of the present invention is:

First step: a tray 210 loaded with a concave sheet is provided, and an automatic upper stud module 1 is provided. The inner concave piece 102 of the tray 1210 is grasped by the hand grip 26 included in the inner piece feeding module 4, and is conveyed to the marking jig 3, and is marked by the marking jig 3 .

The second step: the stud 104 is loaded on the positioning fixture 53 on its opposite multi-station circular turntable 52 by means of the automatic upper stud module 1.

The third step: the rotating machine 5 starts to rotate, the positioning jig 53 equipped with the stud 104 is rotated to the first detecting station, and the stud 104 is performed by the first automatic detecting device 8 provided by the first detecting station position. Detecting to prevent leakage of studs on the top column occur.

The fourth step: using the automatic die mounting module 4, each time grabbing five concave pieces 102 from the marking fixture 3 to assemble the positioning fixture 53 provided with the stud 104, that is, the stud 104 Each time it is placed on the positioning jig 53 prior to the inner concave piece 102. After the inner concave piece 102 is assembled to the positioning fixture, the top rod 566 drives the top needle top plate 558 to move vertically upwards, so that the top pillar 560 drives the stud 104 to move upward due to the inner concave piece 102. The position of the suction cup 556 and the second positioning pin 562 is fixed, so that the inner concave piece 102 and the annular protrusion of the stud 104 are engaged.

The fifth step: continuing to rotate the rotating machine table 5 to the welding station, clamping the positioning fixture 53 from the rotating machine table 5 by using the assembly mechanism 11, and clamping the bottom surface and the top surface of the positioning fixture 53 by using the assembly mechanism 11. And the side surface to ensure the tight bonding of the inner concave piece 102 and the stud 104, and then the inner concave piece 102 and the stud 104 on the positioning jig 53 are welded by the welding module 6.

Step 6: Continue to rotate the rotary table 5 to the lower clinker station, and remove the welded inner concave piece 102 by the automatic lower inner die module 7 and place it on the empty tray 210.

The seventh step: continuing to rotate the rotating machine 5 to the second detecting station, and detecting by using the second automatic detecting device 9 set by the second detecting station position to prevent the stud 104 from remaining on the top post 560 Happening. In this way, the assembly and welding of the inner concave piece and the stud are completed.

In summary, the inner concave welding machine 200 provided by the utility model uses the assembly mechanism 11 to clamp the inner concave piece and the stud, thereby realizing accurate positioning of the inner concave piece 102 and the stud 104, the inner part. The concave piece 102 does not have the deviation of the inner concave piece and the stud when welding with the stud 104, and the welding yield is improved; the inner concave piece welding machine 20 and the inner concave piece feeding module 2, the automatic upper stud The module 1, the marking fixture 3, the automatic concave module 4, the automatic lower concave module 7, the first automatic detecting device 8, and the second automatic detecting device 9 are used together to realize the concave piece. The loading, the assembly of the concave and stud, the inspection before welding, the welding, the inspection after welding and the fully automated operation of the entire process of the blanking save labor, save the site and increase the production capacity.

Claims (10)

1. An inner concave welding machine comprising:

   a rotating machine, the rotating machine includes a driving base and a multi-station circular turntable disposed on the driving base, the driving base is configured to drive the multi-station circular turntable to rotate, the multi-station The circular turntable is equally divided into a plurality of stations along the circumference;

   a plurality of positioning fixtures, each of which is provided with one of the positioning fixtures, each positioning fixture comprises a side surface and a top surface perpendicularly connected to the side surface, and a top surface of each positioning fixture is provided with a stud. An inner concave piece to be welded is disposed on the side surface and one end of the inner concave piece is sleeved on the stud;

   An assembly mechanism disposed on one side of the multi-station turntable and corresponding to one of the stations, the assembly mechanism for clamping a positioning fixture from the multi-station turntable and from the positioning The top and sides of the fixture clamp the stud and the inner concave piece; and

   a welding module, the light beam emitted by the welding module is directly to the top surface of the positioning fixture to weld the inner concave piece and the stud.
2. The inner concave welding machine according to claim 1, wherein the number of the positioning fixtures is six, and six positioning fixtures are arranged around the multi-station circular rotary table for each week, and each positioning fixture is provided. The corresponding circumferential angle is 60 degrees, and the multi-station circular turntable reaches the next station every 60 degrees of rotation.
3. The recessed sheet welding machine according to claim 1, wherein each of said positioning fixtures comprises a bottom plate and a main plate perpendicular to the bottom plate, wherein the bottom plate and the main plate together form an L shape, and the main plate includes the side surface and the a top surface and a bottom surface opposite to the top surface, wherein the side surface is provided with a plurality of mounting slots and a receiving slot, the mounting slots are vertically disposed, and the center lines of the plurality of mounting slots are on the same straight line; Each of the mounting slots is provided with a suction cup for absorbing and fixing an inner concave piece; the receiving groove is laterally disposed, and the receiving groove is provided with a movable ejector top plate, and the ejector top plate is convex Providing a plurality of top posts, the top post extending through one side of the receiving groove and extending to the top surface, the top post for nesting the stud, the stud comprising an annular protrusion, The inner concave piece to be welded is L-shaped and includes a screw hole, the screw hole is sleeved with the annular protrusion when the inner concave piece is fixed to the side surface; the main plate is disposed on an upper surface of the bottom plate, and a side surface of the main board and a side surface of the bottom board Flush.
4. A recessed sheet welding machine according to claim 3, wherein said bottom plate comprises an upper surface, a lower surface parallel to the upper surface, and a side surface perpendicularly connecting the upper surface and the lower surface; said lower surface being opened There is a V-shaped groove, and the multi-station circular turntable is provided with a V-shaped protrusion matched with the V-shaped groove, and the positioning fixture is made by the cooperation of the V-shaped groove and the V-shaped protrusion. Disassembledly disposed on the multi-station circular turntable.
5. The inner concave welding machine according to claim 4, wherein the number of the top pillars is the same as the number of the suction cups; the top surface is provided with a plurality of receiving grooves, a top post penetrating from one of the side surfaces of the receiving groove to the top surface until being exposed in the receiving groove; a portion of the top post exposed in the receiving groove is for nesting the screw column.
6. The inner concave welding machine according to claim 5, wherein two ends of the top surface are provided with two first positioning pins, and the plurality of receiving grooves are located between the two first positioning pins. The assembly mechanism is provided with a positioning hole that cooperates with the first positioning pin to cause the assembly mechanism to clamp the positioning fixture.
7. The inner concave welding machine according to claim 6, wherein the side surface is further provided with a plurality of second positioning pins, the second positioning pins are arranged in pairs, and each pair of second positioning pins is respectively Located at the upper and lower ends of each of the suction cups, the inner concave piece is provided with a pin hole corresponding to the second positioning pin, and when the suction cup absorbs the inner concave piece, the pin hole on the inner concave piece is pierced with the second positioning pin .
8. The inner plate welding machine according to claim 7, wherein the positioning jig further comprises a ram, the ram extending through a bottom surface of the main plate and extending to one side of the receiving groove, The ram can be moved in a vertical direction under the driving of the cylinder to push the movement of the ejector top plate, thereby driving the top post to move in the vertical direction in the accommodating groove to make the pin hole of the inner concave piece The annular projection of the stud is engaged.
9. A recessed sheet welding machine according to claim 8, wherein said assembling mechanism comprises: a bottom plate, a side plate vertically connected to the bottom plate, a lower pressing cylinder provided on a front surface of the side plate, and a lower pressing cylinder Pressing mechanism, upper top cylinder, and upper top cylinder An upper top mechanism, a side pressure mechanism disposed on a rear surface of the side panel; the upper top cylinder drives an upper top mechanism to move upward, the lower pressure cylinder drives a lower pressing mechanism to move downward, a lower pressing mechanism and an upper top mechanism Cooperating the positioning fixture together, and the pressing mechanism is the hook for pressing the inner concave piece; the side pressing mechanism is penetrating the side plate, and the side pressing mechanism is from the positioning mechanism The inner concave piece is pressed sideways.
10. A recessed sheet welding machine according to claim 9, wherein said bottom surface is further provided with a groove, said groove extending in a width direction of said bottom surface, said assembly mechanism further comprising a through said side The abutting top of the plate and the drive cylinder driving against the top, the jacking of the mounting mechanism is inserted into the recess to lift the positioning fixture from the multi-station turntable.

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