CN110328423A - A kind of the half-bridge welder and welding method of self-centering clamping - Google Patents
A kind of the half-bridge welder and welding method of self-centering clamping Download PDFInfo
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- CN110328423A CN110328423A CN201910709705.3A CN201910709705A CN110328423A CN 110328423 A CN110328423 A CN 110328423A CN 201910709705 A CN201910709705 A CN 201910709705A CN 110328423 A CN110328423 A CN 110328423A
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- axle housing
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- bridge tube
- welding gun
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K1/00—Soldering, e.g. brazing, or unsoldering
- B23K1/0008—Soldering, e.g. brazing, or unsoldering specially adapted for particular articles or work
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K3/00—Tools, devices, or special appurtenances for soldering, e.g. brazing, or unsoldering, not specially adapted for particular methods
- B23K3/06—Solder feeding devices; Solder melting pans
- B23K3/0607—Solder feeding devices
- B23K3/063—Solder feeding devices for wire feeding
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K3/00—Tools, devices, or special appurtenances for soldering, e.g. brazing, or unsoldering, not specially adapted for particular methods
- B23K3/08—Auxiliary devices therefor
- B23K3/087—Soldering or brazing jigs, fixtures or clamping means
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- Butt Welding And Welding Of Specific Article (AREA)
- Resistance Welding (AREA)
Abstract
The present invention discloses a kind of half-bridge welder of self-centering clamping, including base plate, and about the symmetrical left side of base plate, right side welding mechanism, it is left, right side centering hold-down mechanism, it is left, right side axle housing hold-down mechanism, base plate is fixed left, the lower end of right column, bottom plate, upper mounted plate is fixed left respectively, the upper end of right column, sliding panel and a left side, right column is slidably connected, the piston rod of the fixed lower air cylinder of sliding panel, lower air cylinder is fixed on upper mounted plate, it is fixed left on sliding panel, right side centering hold-down mechanism, to feel relieved and simultaneously clamp on bridge tube, sliding panel passes through an elastic connection left side, right side axle housing hold-down mechanism, for compressing axle housing, electrical turntable is fixed on base plate, it is fixed left on electrical turntable, right side welding mechanism, welding for bridge tube and axle housing.It is clamped while realizing bridge tube, axle housing by lower air cylinder and the positioning of bridge tube, welding machine mechanism realizes the circumferencial direction automatic welding of bridge tube axle housing, convenient for promoting and using.
Description
Technical field
The present invention relates to the half-bridge welders and welding method of self-centering clamping more particularly to a kind of self-centering to press from both sides
The welder and welding method of tight half axle shell and bridge tube.
Background technique
Rear axle is an important component of vehicle, and the bridge tube of current rear axle is connect using welded connecting, axle housing with shell
For installing box of tricks, the shaft of box of tricks connection connection wheel, bridge tube is for only supporting shaft and bridge tube far from bridge
Brake gear is installed in the side of shell, and traditional bridge tube shell welding, which uses, to be clamped axle housing respectively, positioning bridge tube, clamps bridge tube, then
It is subjected to, bridge tube, the installation position fixing process of axle housing are more troublesome, and since bridge tube, axle housing compress, bridge tube positioning uses
Independent agency, high failure rate are easy to appear waste product.
The application using lower air cylinder driving guide rail slide block mechanism move down and sliding block simultaneously fixation vee-block, sliding pin, V
During shape block moves down, it is close to bridge tube that sliding pin receives guiding mechanism, realize during vee-block clamps bridge tube there is also
Downward pressing force realizes the positioning and clamping of bridge tube；Lower air cylinder piston rod moves down while pushing the press mechanism of axle housing, and
Using elastic connection, realize that bridge tube, the synchronous of axle housing compress, without regard to transmission mechanism in bridge tube, axle housing compaction process
Kinematic accuracy is inadequate, and the phenomenon that one of bridge tube and axle housing do not press tightly occurs；Electrical turntable realizes welding gas by cranking block mechanism
The flip-flop movement of cylinder facilitates the installation of bridge tube or removes；Compress the mechanism of axle housing and the piston rod link position of lower air cylinder
It is adjustable, adapt to the use of the axle housing of different-thickness；The claw end of press axle housing the reliable pressure of axle housing is realized using cylinder
Tightly.
Summary of the invention
It is an object of the invention to: it provides and a kind of bridge tube, axle housing and centering bridge tube are compressed by a cylinder linkage, adopt
With the welding mechanism that cranking block mechanism driving, cylinder control are flexible, the device to bridge tube axle housing automatic welding is realized.
The object of the present invention is achieved like this: a kind of half-bridge welder of self-centering clamping, including base plate 1,
Electrical turntable 2, left side welding mechanism 3, right side welding mechanism, left side centering hold-down mechanism 5, right side centering hold-down mechanism, lower solid
Fixed board 6, sliding panel 7, upper mounted plate 8, left side axle housing hold-down mechanism 11, right side axle housing hold-down mechanism, the base plate 1 is in a left side
Right symmetrical structure, left side axle housing hold-down mechanism 11 and right side axle housing hold-down mechanism, left side welding mechanism 3 and right side bonding machine
Structure, side centering hold-down mechanism 5 and right side centering hold-down mechanism, left column 4 and right column 10 are flat about the bilateral symmetry of base plate 1
Face is symmetrical set；
The left column 4, right column along up and down direction and arranged in parallel, the fixed left column 4 in the front side of base plate 1
Lower end, the left and right side of bottom plate 6 are fixedly connected in the middle part of left column 4, right column respectively, the left and right end point of sliding panel 7
Top not with left column 4, right column is slidably connected, the left and right end of the upper mounted plate 8 respectively with left column 4, right column
Upper end be fixedly connected；
The fixed lower air cylinder 9 of the upper mounted plate 8, the piston rod of lower air cylinder 9 are fixed on sliding panel 7；
The left side centering hold-down mechanism 5 includes left vee-block 502, left guide plate 504, and fixation is led on front side of the sliding panel 7
Rail 12, guide rail 12 is horizontally disposed along left and right directions, and the left part of guide rail 12 installs left slider 501, and left slider 501 is fixed simultaneously left
The rear end of guide plate 504, left cantilever 503 front end, the fixed left sliding pin 505 of left guide plate 504, the bottom plate 6 is solid
Determine guide plate 14, the symmetrical structure of guide plate 14, the left side of guide plate 14 offers the left side being tilted to the right from top to bottom and leads
To slot 141, left sliding pin 505 slides in left guide groove 141, the fixed left vee-block 502 in the front end of the left cantilever 503；
The left side axle housing hold-down mechanism 11 includes the hold-down mechanism of left compression bar 1103, left loop bar 1104, axle housing 102, described
Sliding panel 7 fixed left 1103 top of compression bar of left part, and fixation position of the left compression bar 1103 on sliding panel 7 is along upper and lower
Direction is adjustable, and 1103 lower part of left compression bar is slidably matched with left 1104 inner hole of loop bar, 1103 lower end of left compression bar
Fixed left compressed spring 1116, the fixed left limit pin 1108 in left 1115 upper end of compression rod, left 1104 lower part of loop bar be provided with along
The left limit slot 1114 that up and down direction opens up, left limit pin 1108 slide in left limit slot 1114, the lower end of left loop bar 1104
It coaxially fixes left reset spring and blocks 1105, blocked positioned at left limit pin 1108 and left reset spring and be provided with a left side between 1105 again
Position spring 1109, and left reset spring 1109 is set on left compression rod 1115, left 1115 upper end of compression rod and left compressed spring
Distance is provided between 1116 lower ends, the inner hole that left 1115 lower end of compression rod blocks 1105 with left reset spring is slidably matched, left
1115 lower end of compression rod is connected with the hold-down mechanism of axle housing 102, and the elastic stiffness of the left reset spring 1109 is less than left pressure
Contracting spring 1116；
The positioning mechanism of axle housing 102 and the lower end supporting mechanism of bridge tube 101 are provided on the base plate 1, on base plate 1
Fixed electrical turntable 2, electrical turntable 2 and the connecting hole 1022 for the clearance fit bridge tube 101 being arranged on the upside of 102 front of axle housing are coaxial
Setting, the fixed left side welding mechanism 3 in electrical turntable left side, for 1022 upper end of connecting hole on bridge tube 101 and axle housing
The welding of intersection.
The hold-down mechanism of the axle housing 102 includes left connecting rod 1106, left lever 1107, left claw 1111, left claw
Drive pin 1113, the left compression rod 1115 fix left connection after being passed down through the inner hole of 1105 lower ends of left reset spring closure
The front end of bar 1106, the rear end of left connecting rod 1106 are fixed the lower end of left lever 1107, are opened up on left lever 1107 and base plate 1
Circular hole be slidably matched, left lever 1107, which is upward through after base plate 1, fixes left claw drive pin 1113, fixed left on base plate
Hinged seat 4 1110, left claw 1111 is L-shaped, and left hinged seat 4 1110 and the end on L shape one side of left claw 1111 are hinged, left
The L-shaped corner of claw 1111 to another side end is provided with pre-and post perforative left claw sliding slot 1112, left claw drive pin
1113 middle part can be slidably matched in left claw sliding slot 1112；The outer rim that the left lever 1107 is located at axle housing 102 is left
Side, the left hinged seat 4 1110 are located at the left side of left lever 1107, and the L-shaped another side end of left claw 1111 is provided with
Along the left cylinder of left and right directions.
The structure of the positioning mechanism of axle housing 102 and the lower end supporting mechanism of bridge tube 101 is provided on the base plate 1
Are as follows: the fixed axle housing positioning plate 15 in the upper center position of the base plate 1, the front of axle housing positioning plate 15 is provided with interior concave ring
1021 clearance fit of positioning convex platform of the lower convex ring shape of the positioning chamber 151 of shape, positioning chamber 151 and the setting of 102 front of axle housing, is used for
The positioning of axle housing 102, the upper center position of the axle housing positioning plate 15 are provided with the bridge tube support column 152 stretched out upwards,
The outer diameter of bridge tube support column 152 is less than the straight of the connecting hole 1022 for the clearance fit bridge tube 101 being arranged on the upside of 102 front of axle housing
Axle housing 102 is placed on axle housing positioning plate 15 and is positioned for facilitating by diameter, and bridge tube support column 152 is used to support bridge tube 101
1022 clearance fit of connecting hole being arranged on the upside of lower end, 101 lower end of bridge tube and 102 front of axle housing, the electrical turntable 2, bridge
Pipe support column 152, bridge tube 101 are coaxially disposed.
The left side welding mechanism 3 includes left welding base 301, left hinged platform 1, left tumble cylinder 303, left welding gun
Bracket 304, left welding gun fixing seat 305, left welding gun cylinder 306, left welding gun chuck 307, left hinged seat 2 308, left hinged seat three
309, the fixed left welding base 301 in rotating part left side of the electrical turntable 2, the upside left end interposition of left welding base 301
Set fixed left hinged platform 1, left hinged platform 1 and hinged, the described left welding gun support of the fixing end of left tumble cylinder 303
304 is L-shaped, the end on L shape one side of the fixed left welding gun support 304 in the middle part of left welding base 301, the left welding gun cylinder
306 are fixed in left welding gun fixing seat 305, the fixed left hinged seat 3 309 of the downside right part of left welding gun fixing seat 305, left hinged
Seat 3 309 is hinged with the piston rod of left tumble cylinder 303, the fixed left hinged seat two of the downside left part of left welding gun fixing seat 305
308, the end of the L shape another side of left welding gun support 304 and left hinged seat 2 308 are hinged, and left welding gun cylinder 306 is double piston-rod
Cylinder, the fixed left welding gun chuck 307 in the double piston-rod end of left welding gun cylinder 306, the fixed left welding gun 103 of left welding gun chuck 307,
The left welding base 301, left hinged platform 1, left tumble cylinder 303, left welding gun support 304, left welding gun fixing seat 305,
Left hinged seat 2 308, left hinged seat 3 309 form cranking block mechanism.
Fixation position of the left compression bar 1103 on sliding panel 7 is along the adjustable structure of up and down direction are as follows: described
Left side axle housing hold-down mechanism 11 further include left wing bolt 1101, left compression bar fixing seat 1102, the left part of the sliding panel 7
The fixed left compression bar fixing seat 1102 of rear side, left compression bar fixing seat 1102 cooperate with left 1103 upper gap of compression bar, and left compression bar is fixed
Left wing bolt 1101 is screwed in the bolt hole of seat 1102, to adjust behind left 1103 upper and lower position of compression bar and by left compression bar 1103
It is fixed in left compression bar fixing seat 1102.
The welding method of the half-bridge welding dress of the self-centering clamping, welds bridge tube and when axle housing for the first time, need into
Row debugging, is otherwise directly entered work step, debugging step is as follows:
Step 1) control lower air cylinder 9 is in retracted mode, and the positioning convex platform 1021 of axle housing 102 is inserted into axle housing positioning plate 15
Positioning chamber 151 in, realize the positioning of axle housing 102, the lower end of bridge tube 101 be inserted into the company being arranged on the upside of 102 front of axle housing
It connects in hole 1022, the lower end of bridge tube 101 is bonded bridge tube support column 152, to the positioning to bridge tube 101；
Step 2 unscrews left wing bolt 1101, unscrews the right wing bolt of right side axle housing hold-down mechanism;
The piston rod that step 3) controls lower air cylinder 9 is overhanging, and sliding panel 7 moves down, and guide rail 12 is driven to move down, and left slider 501 drives
Left cantilever 503, left guide plate 504, left vee-block 502 move down, and left sliding pin 505 is slided along left guide groove 141, left slider 501
During moving down, while Slideslip to the right, distance of the left vee-block 502 apart from bridge tube shorten, the right side of right side centering hold-down mechanism
During sliding block moves down, while Slideslip to the right, distance of the right vee-block apart from bridge tube 101 shorten；When left vee-block 502 or the right side
When the distance 2-3mm of vee-block distance contact bridge tube 101, the piston rod of control lower air cylinder 9 stops overhanging；
The right compression bar of the left compression bar 1103 of step 4) manual depression, right side axle housing hold-down mechanism, left compression bar 1103 move down, left compression
Spring 1116 compresses, and left compression rod 1115 moves down, and left reset spring 1109 compresses, and left connecting rod 1106 moves down, left lever 1107
It moves down, left claw drive pin 1113 is moved down and slided in left claw sliding slot 1112, and the right end of left claw 1111 compresses axle housing 102
Edge setting planar annular, the left end of the right claw of right side axle housing hold-down mechanism compresses the edge setting of axle housing 102
Planar annular, left compression bar 1103, right compression bar upper end compress axle housing in same level height, to left claw 1111, right claw
102 match；
Step 5) screws left wing bolt 1101, screws the right wing bolt of right side axle housing hold-down mechanism, left compression bar 1103, right pressure
Bar is separately fixed at left compression bar fixing seat 1102, in right compression bar fixing seat；
The piston rod that step 6) controls lower air cylinder 9 retracts, and left vee-block 502, right vee-block move up and far from bridge tube 101, left pressures
Bar 1103 moves up, and left compressed spring 1116 moves up, and left reset spring 1109 moves up left compression rod 1115, left compressed spring 1116
There are distance, left lever 1107 is moved up for lower end and left 1115 upper end of compression rod, and left claw 1111 side to overturn to the left, right claw is to the right
Side to overturn；
The double piston-rod that step 7) controls left welding gun cylinder 306 retracts, the backhand welding rifle cylinder double piston-rod contracting of right side welding mechanism
It returns, the piston rod of left tumble cylinder 303 stretches out outward, keeps left welding gun fixing seat 305 another around left welding gun support 304 and L shape
The hinge joint of one side end is overturn to the left, and the piston rod of the right tumble cylinder of right side welding mechanism stretches out outward, makes backhand welding rifle
Fixing seat is overturn to the right around backhand welding gun carriage and the hinge joint of L shape another side end；
Step 8) removes bridge tube 101, axle housing 102, completes debugging.
Working stage:
The positioning convex platform 1021 of axle housing 102 is inserted into the positioning chamber 151 of axle housing positioning plate 15 by step 1), realizes axle housing 102
Positioning, the lower end of bridge tube 101 is inserted into the connecting hole 1022 being arranged on the upside of 102 front of axle housing, the lower end of bridge tube 101 is pasted
Bridge tube support column 152 is closed, to the positioning to bridge tube 101；
The piston rod that step 2 controls lower air cylinder 9 is overhanging, and sliding panel 7 moves down, and guide rail 12 is driven to move down, and left slider 501 drives
Left cantilever 503, left guide plate 504, left vee-block 502 move down, and left sliding pin 505 is slided along left guide groove 141, left slider 501
During moving down, while Slideslip to the right, while left compression bar 1103 moves down, under the right compression bar of right side axle housing hold-down mechanism
It moves, left compressed spring 1116 is compressed, and left compression rod 1115 moves down, and left reset spring 1109 compresses, and left connecting rod 1106 moves down, left
Pull rod 1107 moves down, and left claw drive pin 1113 is moved down and slided in left claw sliding slot 1112, the right end pressure of left claw 1111
The planar annular of the edge setting of tight axle housing 102, left side axle housing hold-down mechanism 11 and right side axle housing hold-down mechanism are about pedestal
The bilateral symmetry plane of plate 1 is symmetrical, and the left end of right claw compresses the planar annular of the edge setting of axle housing 102；
The piston rod continuation of step 3) lower air cylinder 9 is overhanging, and left compressed spring 1116 continues to compress, left claw 1111, right claw
The pressing force for compressing axle housing 102 increases, and left vee-block 502, right vee-block continue to move down and simultaneously clamp on bridge tube 101, left vee-block
502, right vee-block both self-centering bridge tube 101, also makes bridge tube 101 by downward pressure simultaneously, realizes the standard of bridge tube 101
True positions and fixes；
The piston rod that step 4) controls left tumble cylinder 303 retracts, and makes left welding gun fixing seat 305 around left welding gun support 304 and L
The hinge joint of shape another side end is overturn to the right, and the piston rod of the right tumble cylinder of right side welding mechanism retracts, and keeps backhand welding rifle solid
Reservation is overturn to the left around backhand welding gun carriage and the hinge joint of L shape another side end；
The double piston-rod that step 5) controls left welding gun cylinder 306 stretches out, and the backhand welding rifle cylinder double piston-rod of right side welding mechanism is stretched
Out, the backhand welding rifle alignment position while welding 104 of left welding gun 103, right side welding mechanism；
The wire-feed motor that step 6) controls left welding gun 103, the backhand welding rifle of right side welding mechanism is included conveys welding wire, welds bridge tube 101
With axle housing 102, while the rotation of electrical turntable 2 is controlled, realizes the circumference bilateral welding of bridge tube 101 and axle housing 102；
After step 7) electrical turntable 2 circumferentially rotates 180 degree, wire-feed motor stops wire feed, completes bridge tube 101 and axle housing
102 welding, the double piston-rod for controlling left welding gun cylinder 306 retract, the backhand welding rifle cylinder double piston-rod contracting of right side welding mechanism
It returns；
Step 8) control electrical turntable 2 circumferentially rotates backward 180 degree；
The piston rod that step 9) controls left tumble cylinder 303 stretches out outward, makes left welding gun fixing seat 305 around left welding gun support
304 overturn to the left with the hinge joint of L shape another side end, and the piston rod of the right tumble cylinder of right side welding mechanism is stretched outward
Out, backhand welding rifle fixing seat is overturn to the right around backhand welding gun carriage and the hinge joint of L shape another side end；
The piston rod that step 10) controls lower air cylinder 9 retracts, and left vee-block 502, right vee-block far from bridge tube 101 and move up, left pressure
Bar 1103 moves up, and left compressed spring 1116 moves up, and left reset spring 1109 moves up left compression rod 1115, on left lever 1107
It moves, left claw 1111 side to overturn to the left, same right claw side to overturn to the right；
Step 11) removes the weldment of bridge tube 101 and axle housing 102, completes the welding of a bridge tube 101 and axle housing 102, in repetition
State the welding that step completes another bridge tube and axle housing.
Compared with prior art, the present invention has the advantage that
1. the application using lower air cylinder driving guide rail slide block mechanism move down and sliding block simultaneously fixation vee-block, sliding pin, V-arrangement
During block moves down, it is close to bridge tube that sliding pin receives guiding mechanism, realize during vee-block clamps bridge tube there is also to
Under pressing force, realize the positioning and clamping of bridge tube；
2. lower air cylinder piston rod moves down while pushing the press mechanism of axle housing, and uses elastic connection, bridge tube, axle housing are realized
Synchronous to compress, the kinematic accuracy without regard to transmission mechanism in bridge tube, axle housing compaction process is inadequate, and bridge tube and axle housing occurs
One of the phenomenon that not pressing tightly；
3. electrical turntable realizes the flip-flop movement of weld cylinder by cranking block mechanism, facilitates the installation of bridge tube or remove；4. pressure
The mechanism of tight axle housing and the piston rod link position of lower air cylinder are adjustable, adapt to the use of the axle housing of different-thickness；
5. the reliable compression of axle housing is realized using cylinder in the claw end of press axle housing.
Detailed description of the invention
Fig. 1 is the overall construction drawing one of the half-bridge welder of self-centering clamping.
Fig. 2 is the overall construction drawing two of the half-bridge welder of self-centering clamping.
Fig. 3 is the structural schematic diagram one of bridge tube self-centering clamping part.
Fig. 4 is the structural schematic diagram two of bridge tube self-centering clamping part.
Fig. 5 is the superstructure schematic diagram of axle housing pressing section.
Fig. 6 is the general structure schematic diagram of axle housing pressing section.
Fig. 7 is the elastic hold-down mechanism structural schematic diagram of axle housing pressing section.
Fig. 8 is left side welding mechanism structural schematic diagram one.
Fig. 9 is that the claw of axle housing pressing section compresses the structural schematic diagram of axle housing.
Figure 10 is the structural schematic diagram two of left side welding mechanism.
Figure 11 is the structural schematic diagram of axle housing.
Figure 12 is axle housing positioning mechanism schematic diagram.
Appended drawing reference: 1- base plate, 2- electrical turntable, the left side 3- welding mechanism, 4- left column, the left side 5- centering compacting machine
Structure, 6- bottom plate, 7- sliding panel, 8- upper mounted plate, 9- lower air cylinder, 10- right column, axle housing hold-down mechanism on the left of 11-,
12- guide rail, 13- attachment base, 14- guide plate, 15- axle housing positioning plate, 101- bridge tube, 102- axle housing, the left welding gun of 103-, 104- weldering
Stitching position, the left welding base of 301-, the left side 302-, hingedly platform one, the left tumble cylinder of 303-, the left welding gun support of 304-, the left welding gun of 305- are consolidated
Reservation, the left welding gun cylinder of 306-, the left welding gun chuck of 307-, the left hinged seat two of 308-, the left hinged seat three of 309-, 501- left slider,
The left vee-block of 502-, the left cantilever of 503-, the left guide plate of 504-, the left sliding pin of 505-, 1021- positioning convex platform, the left butterfly spiral shell of 1101-
The left reset spring closure of the left compression bar fixing seat of bolt, 1102-, the left compression bar of 1103-, the left loop bar of 1104-, 1105-, the left connection of 1106-
Bar, 1107- left lever, 1108- left limit pin, the left reset spring of 1109-, the left hinged seat four of 1110-, the left claw of 1111-,
The left claw sliding slot of 1112-, the left claw drive pin of 1113-, 1114- left limit slot, the left compression rod of 1115-, the left compression bullet of 1116-
The left guide groove of spring, 141-, 151- positioning chamber, 152- bridge tube support column.
Specific embodiment
In conjunction with Fig. 1~12, a kind of half-bridge welder of self-centering clamping of the invention, including base plate 1, electric rotating
Platform 2, left side welding mechanism 3, right side welding mechanism, left column 4, left side centering hold-down mechanism 5, right side centering hold-down mechanism, under
Fixed plate 6, sliding panel 7, upper mounted plate 8, lower air cylinder 9, right column 10, left side axle housing hold-down mechanism 11, right side axle housing compress
Mechanism, guide rail 12, attachment base 13, guide plate 14, axle housing positioning plate 15, control system are located at face towards bridge tube with operator
101, the position of lower air cylinder 9, with the top to bottom, left and right, front and rear side of top to bottom, left and right, front and rear direction definition the application of operator
To describe the application.The symmetrical structure of the base plate 1, the left side axle housing hold-down mechanism 11 and the right side
Side axle housing hold-down mechanism, left side welding mechanism 3 and right side welding mechanism, left side centering hold-down mechanism 5, right side centering compacting machine
The bilateral symmetry face of structure, left column 4 with right column 10 about base plate 1 is symmetrical set.
Along up and down direction and arranged in parallel, front side, the left side of base plate 1 are fixed for the left column 4, right column
The lower end of left column 4, the left and right side of bottom plate 6 are fixedly connected in the middle part of left column 4, right column respectively, sliding panel 7
Top of the left and right end respectively with left column 4, right column is slidably connected, the left and right end of the upper mounted plate 8 respectively with Zuo Li
Column 4, right column upper end be fixedly connected.
Fixed lower air cylinder 9, the piston rod of lower air cylinder 9 extend downwardly in the middle part of the front side of the upper mounted plate 8, push
The piston-rod lower end fixed connecting base 13 of cylinder 9, attachment base 13 is fixed in the middle part of the front side of sliding panel 7, to drive sliding panel 7
Oscilaltion.
The left side centering hold-down mechanism 5 includes left slider 501, left vee-block 502, left cantilever 503, left guide plate
504, left sliding pin 505, the fixed guide rail 12 in the front side of the sliding panel 7, guide rail 12 is horizontally disposed along left and right directions, guide rail
12 left part installs left slider 501, and left slider 501 fixes the front end of the rear end of left guide plate 504, left cantilever 503 simultaneously, described
The lower end of left guide plate 504 stretched out to front side, and in the fixed left sliding pin 505 in front end, left sliding pin 505 is along front-rear direction
It is horizontally disposed.
The rear side fixed guide plate 14 of the bottom plate 6, the symmetrical structure of guide plate 14, i.e., about base plate
1 bilateral symmetry face bilateral symmetry, the left side of guide plate 14 offers from the top down and pre-and post perforative left guide groove 141, left
Guide groove 141 tilts to the right from top to bottom, and left sliding pin 505 slides in left guide groove 141.
The fixed left vee-block 502 in the front end of the left cantilever 503, the opening direction of left vee-block 502 towards bridge tube 101,
During pushing to lower air cylinder 9, left sliding pin 505 from top to bottom slides in left guide groove 141, realizes left cantilever 503
Move to right, the right vee-block of left vee-block 502 and right side centering hold-down mechanism feels relieved simultaneously and clamps the top of bridge tube 101, and
In 7 folding process of sliding panel, while centering clamps bridge tube 101, realizes that bridge tube 101 compresses downwards, improve welding quality.
The left side axle housing hold-down mechanism 11 includes left wing bolt 1101, left compression bar fixing seat 1102, left compression bar
1103, left loop bar 1104, left reset spring block 1105, left connecting rod 1106, left lever 1107, left limit pin 1108, Zuo Fu
Position spring 1109, left hinged seat 4 1110, left claw 1111, left claw drive pin 1113, left compression rod 1115, left compressed spring
1116, the left part rear side of the sliding panel 7 fixes left compression bar fixing seat 1102, left compression bar fixing seat 1102 and left compression bar 1103
Upper gap cooperates, and left wing bolt 1101 is screwed in the bolt hole of left compression bar fixing seat 1102, to adjust left compression bar 1103
It is fixed in left compression bar fixing seat 1102 behind upper and lower position and by left compression bar 1103.
1103 downside to the end and left 1104 inner hole of loop bar of left compression bar is slidably matched, under the left compression bar 1103
The fixed left compressed spring 1116 in end, the middle part of the fixed left limit pin 1108 in the left compression rod upper end, left 1104 lower part of loop bar
Open up along up and down direction and left and right directions is provided with through left limit slot 1114, the left and right end of left limit pin 1108 is on a left side
It is slided in limiting slot 1114 along up and down direction, the lower end of left loop bar 1104 coaxially fixes left reset spring and blocks 1105, is located at
Left limit pin 1108 and left reset spring block and are provided with left reset spring 1109 between 1105, and left reset spring 1109 is arranged
On left compression rod 1115, left 1115 upper end of compression rod and left compressed spring are provided with distance, left compression rod between 1116 lower end
1115, which are passed down through left reset spring, blocks the front end that left connecting rod 1106 is fixed after the inner holes of 1105 lower ends, left compression rod 1115
The inner hole that lower end blocks 1105 with left reset spring is slidably matched, and the elastic stiffness of the left reset spring 1109 is less than left pressure
When contracting spring 1116, i.e. receiving same load, the decrement of left compressed spring 1116 is less than left reset spring 1109.
The lower end of left lever 1107, the circle opened up on left lever 1107 and base plate 1 are fixed in the rear end of left connecting rod 1106
Hole is slidably matched, and left lever 1107 is upward through the front and back ends that left claw drive pin 1113 is fixed after base plate 1, on base plate
Fixed left hinged seat 4 1110, left claw 1111 is L-shaped, the end of left hinged seat 4 1110 and L shape one side of left claw 1111
Hingedly, the L-shaped corner of left claw 1111 to another side end is provided with pre-and post perforative left claw sliding slot 1112, left claw
The middle part of drive pin 1113 can be slidably matched in left claw sliding slot 1112.The left lever 1107 is located at axle housing 102
On the left of outer rim, the left hinged seat 4 1110 is located at the left side of left lever 1107, the L-shaped another side end of left claw 1111
It is provided with the left cylinder along left and right directions, after the thickness change to realize axle housing 102, Zuo Yuanzhu still compresses axle housing outer rim
On the planar annular of setting.
The fixed axle housing positioning plate 15 in the upper center position of the base plate 1, the front of axle housing positioning plate 15 is provided with
Match in 1021 gap of positioning convex platform of the positioning chamber 151 of interior hollow toroid, the lower convex ring shape that positioning chamber 151 is arranged with 102 front of axle housing
It closes, for the positioning of axle housing 102, the upper center position of the axle housing positioning plate 15 is provided with the bridge tube support stretched out upwards
Column 152, the outer diameter of bridge tube support column 152 are less than the diameter of axle housing 102 and bridge tube welding position, are placed on axle housing for facilitating
It on axle housing positioning plate 15 and positions, bridge tube support column 152 is used to support the lower end of bridge tube 101, positions to 101 lower end of bridge tube, bridge
1022 clearance fit of connecting hole being arranged on the upside of 101 lower end of pipe and 102 front of axle housing, welding gun 103 weld bridge tube 101 and axle housing
The upper end of 102 laps welds position while welding 104.
The fixing end of electrical turntable 2, electrical turntable 2, bridge tube support column 152, bridge tube 101 are fixed on the base plate 1
Coaxial arrangement.
The left side welding mechanism 3 includes left welding base 301, left hinged platform 1, left tumble cylinder 303, left welding gun
Bracket 304, left welding gun fixing seat 305, left welding gun cylinder 306, left welding gun chuck 307, left hinged seat 2 308, left hinged seat three
309, the fixed left welding base 301 in rotating part left side of the electrical turntable 2, the upside left end interposition of left welding base 301
Set fixed left hinged platform 1, left hinged platform 1 and hinged, the described left welding gun support of the fixing end of left tumble cylinder 303
304 is L-shaped, the end on the fixed left 304 L shape one side of welding gun support in the middle part of left welding base 301, the left welding gun cylinder 306
It is fixed in left welding gun fixing seat 305, the fixed left hinged seat 3 309 of the downside right part of left welding gun fixing seat 305, left hinged seat three
309 is hinged with the piston rod of left tumble cylinder 303, the fixed left hinged seat 2 308 of the downside left part of left welding gun fixing seat 305, left
The end of the L shape another side of welding gun support 304 and left hinged seat 2 308 are hinged, and left welding gun cylinder 306 is double piston-rod cylinder,
The fixed left welding gun chuck 307 in the double piston-rod end of left welding gun cylinder 306, the fixed left welding gun 103 of left welding gun chuck 307.It is described
Left welding base 301, left hinged platform 1, left tumble cylinder 303, left welding gun support 304, left welding gun fixing seat 305, left hinge
Joint chair 2 308, left hinged seat 3 309 form cranking block mechanism, avoid bridge tube 101 for realizing the swing of left welding gun cylinder 306.
Support shelf is fixed on the downside of the base plate 1.
The solenoid electric valve of the left welding gun cylinder 306, the backhand welding rifle cylinder of right side welding mechanism solenoid electric valve,
The solenoid electric valve of left tumble cylinder 303, the solenoid electric valve of the right tumble cylinder of right side welding mechanism, lower air cylinder 9 electricity
Magnetic control valve, electrical turntable 2 pivoting controller connect with control system by route.
When needing to weld bridge tube 101 and axle housing 102, welding is to be debugged for the first time: control lower air cylinder 9 is in
The positioning convex platform 1021 of axle housing 102 is inserted into the positioning chamber 151 of axle housing positioning plate 15 by retracted mode, realizes axle housing 102
The lower end of bridge tube 101 is inserted into the connecting hole 1022 being arranged on the upside of 102 front of axle housing by positioning, and the lower end of bridge tube 101 is bonded
Bridge tube support column 152, to the positioning to bridge tube 101；Left wing bolt 1101 is unscrewed, the right side of right side axle housing hold-down mechanism is unscrewed
Wing bolt;The piston rod for controlling lower air cylinder 9 is overhanging, and sliding panel 7 moves down, and guide rail 12 is driven to move down, and left slider 501 drives
Left cantilever 503, left guide plate 504, left vee-block 502 move down, and left sliding pin 505 is slided along left guide groove 141, left slider 501
During moving down, while Slideslip to the right, distance of the left vee-block 502 apart from bridge tube shorten, due to left side centering hold-down mechanism
5 is symmetrical about the bilateral symmetry plane of base plate 1 with right side centering hold-down mechanism, and the right sliding block of right side centering hold-down mechanism moves down
During, while Slideslip to the right, distance of the right vee-block apart from bridge tube 101 shorten；When left vee-block 502 or right vee-block away from
When from contact 101 distance 2-3mm of bridge tube, the piston rod of control lower air cylinder 9 stops overhanging；The left compression bar 1103 of manual depression,
The right compression bar of right side axle housing hold-down mechanism, left compression bar 1103 move down, and left compressed spring 1116 is compressed, under left compression rod 1115
It moves, left reset spring 1109 compresses, and left connecting rod 1106 moves down, and left lever 1107 moves down, and left claw drive pin 1113 moves down simultaneously
It being slided in left claw sliding slot 1112, the right end of left claw 1111 compresses the planar annular of the edge setting of axle housing 102, due to
Left side axle housing hold-down mechanism 11 is symmetrical about the bilateral symmetry plane of base plate 1 with right side axle housing hold-down mechanism, a left side for right claw
The planar annular of the edge setting of the tight axle housing 102 of side pressure, left compression bar 1103, right compression bar upper end in same level height, to
Left claw 1111, right claw compress matching for axle housing 102；Left wing bolt 1101 is screwed, right side axle housing compacting machine is screwed
The right wing bolt of structure, left compression bar 1103, right compression bar are separately fixed at left compression bar fixing seat 1102, in right compression bar fixing seat；Control
The piston rod of lower air cylinder 9 processed retracts, and left vee-block 502, right vee-block move up and far from bridge tubes 101, and left compression bar 1103 moves up, left
Compressed spring 1116 moves up, and left reset spring 1109 moves up left compression rod 1115, left 1116 lower end of compressed spring and left compression
There are distance, left levers 1107 to move up for 1115 upper end of bar, and left claw 1111 to the left turn on one's side to the right by side to overturn, same right claw
Turn；The double piston-rod for controlling left welding gun cylinder 306 retracts, and the backhand welding rifle cylinder double piston-rod of right side welding mechanism retracts, and a left side is turned over
The piston rod of rotaring cylinder 303 stretches out outward, makes left welding gun fixing seat 305 around left welding gun support 304 and L shape another side end
Hinge joint overturn to the left, the piston rod of the right tumble cylinder of right side welding mechanism stretches out outward, make backhand welding rifle fixing seat around
Backhand welding gun carriage and the hinge joint of L shape another side end overturn to the right；Bridge tube 101, axle housing 102 are removed, debugging is completed.Only exist
When the axle housing of the axle housing of same specification, bridge tube welding, and while using the half-bridge welder of the self-centering clamping for the first time, carries out
Otherwise debugging directly carries out working stage welding bridge tube 101 and axle housing 102.
Working stage:
The positioning convex platform 1021 of axle housing 102 is inserted into the positioning chamber 151 of axle housing positioning plate 15, realizes the positioning of axle housing 102,
The lower end of bridge tube 101 is inserted into the connecting hole 1022 being arranged on the upside of 102 front of axle housing, the lower end of bridge tube 101 is bonded bridge tube
Support column 152, to the positioning to bridge tube 101；The piston rod for controlling lower air cylinder 9 is overhanging, and sliding panel 7 moves down, and drives guide rail
12 move down, and left slider 501 drives left cantilever 503, left guide plate 504, left vee-block 502 to move down, and left sliding pin 505 is led along a left side
It is slided to slot 141, during left slider 501 moves down, while Slideslip to the right, while left compression bar 1103 moves down, right side axle housing
The right compression bar of hold-down mechanism moves down, and left compressed spring 1116 is compressed, and left compression rod 1115 moves down, and left reset spring 1109 is pressed
Contracting, left connecting rod 1106 move down, and left lever 1107 moves down, and left claw drive pin 1113 is moved down and slided in left claw sliding slot 1112
Dynamic, the right end of left claw 1111 compresses the planar annular of the edge setting of axle housing 102, left side axle housing hold-down mechanism 11 and right side
Axle housing hold-down mechanism is symmetrical about the bilateral symmetry plane of base plate 1, and the left end of right claw compresses the edge setting of axle housing 102
Planar annular；The piston rod continuation of lower air cylinder 9 is overhanging, and left compressed spring 1116 continues to compress, left claw 1111, right claw
The pressing force for compressing axle housing 102 increases, and left vee-block 502, right vee-block continue to move down and simultaneously clamp on bridge tube 101, left vee-block
502, right vee-block both self-centering bridge tube 101, also makes bridge tube 101 by downward pressure simultaneously, realizes the standard of bridge tube 101
True positions and fixes；The piston rod for controlling left tumble cylinder 303 retracts, and makes left welding gun fixing seat 305 around left welding gun support
304 overturn to the right with the hinge joint of L shape another side end, and the piston rod of the right tumble cylinder of right side welding mechanism retracts, and make the right side
Welding gun fixing seat is overturn to the left around backhand welding gun carriage and the hinge joint of L shape another side end；Control the double of left welding gun cylinder 306
Piston rod stretches out, and the backhand welding rifle cylinder double piston-rod of right side welding mechanism stretches out, the backhand welding of left welding gun 103, right side welding mechanism
Rifle is directed at position while welding 104；Control left welding gun 103, the wire-feed motor that the backhand welding rifle of right side welding mechanism is included conveys welding wire, welding
Bridge tube 101 and axle housing 102, while the rotation of electrical turntable 2 is controlled, realize the circumference bilateral welding of bridge tube 101 and axle housing 102；Electricity
After turn platform 2 circumferentially rotates 180 degree, wire-feed motor stops wire feed, completes the welding of bridge tube 101 and axle housing 102；Control
The double piston-rod of left welding gun cylinder 306 retracts, and the backhand welding rifle cylinder double piston-rod of right side welding mechanism retracts；2 edge of electrical turntable
Circumferencial direction rotate backward 180 degree；The piston rod of left tumble cylinder 303 stretches out outward, make left welding gun fixing seat 305 around
The hinge joint of left welding gun support 304 and L shape another side end is overturn to the left, the piston rod of the right tumble cylinder of right side welding mechanism
It stretches out outward, overturns backhand welding rifle fixing seat to the right around backhand welding gun carriage and the hinge joint of L shape another side end；Under control
The piston rod of air cylinder 9 retracts, and left vee-block 502, right vee-block far from bridge tube 101 and move up, and left compression bar 1103 moves up, left compression
Spring 1116 moves up, and left reset spring 1109 moves up left compression rod 1115, left 1116 lower end of compressed spring and left compression rod
There are distance, left levers 1107 to move up for 1115 upper ends, left claw 1111 side to overturn to the left, same right claw side to overturn to the right；
The weldment for removing bridge tube 101 and axle housing 102 completes the welding of a bridge tube 101 and axle housing 102, and repeat the above steps completion
The welding of another bridge tube and axle housing.
Claims (6)
1. a kind of half-bridge welder of self-centering clamping, it is characterised in that: including base plate (1), electrical turntable (2), a left side
Side welding mechanism (3), right side welding mechanism, left side centering hold-down mechanism (5), right side centering hold-down mechanism, bottom plate (6),
Sliding panel (7), upper mounted plate (8), left side axle housing hold-down mechanism (11), right side axle housing hold-down mechanism, the base plate (1) are in
Symmetrical structure, left side axle housing hold-down mechanism (11) and right side axle housing hold-down mechanism, left side welding mechanism (3) and right side are welded
Connection mechanism, side centering hold-down mechanism (5) and right side centering hold-down mechanism, left column (4) are with right column (10) about base plate (1)
Bilateral symmetry plane be symmetrical set；
Along up and down direction and arranged in parallel, the front side of base plate (1) is fixed left vertical for the left column (4), right column
The lower end of column (4), the left and right side of bottom plate (6) are fixedly connected in the middle part of left column (4), right column respectively, sliding panel
(7) top of the left and right end respectively with left column (4), right column is slidably connected, the left and right end point of the upper mounted plate (8)
It is not fixedly connected with the upper end of left column (4), right column；
The upper mounted plate (8) is fixed lower air cylinder (9), and the piston rod of lower air cylinder (9) is fixed on sliding panel (7)；
Described left side centering hold-down mechanism (5) includes left vee-block (502), left guide plate (504), before the sliding panel (7)
Side is fixed guide rail (12), and guide rail (12) is horizontally disposed along left and right directions, and the left part of guide rail (12) installs left slider (501), left
Sliding block (501) fixes the front end of the rear end of left guide plate (504), left cantilever (503), the fixed left cunning of left guide plate (504) simultaneously
Dynamic pin (505), the bottom plate (6) fixed guide plate (14), guide plate (14) symmetrical structure, guide plate (14)
Left side offer the left guide groove (141) being tilted to the right from top to bottom, left sliding pin (505) is sliding in left guide groove (141)
It is dynamic, the fixed left vee-block (502) in the front end of the left cantilever (503)；
The left side axle housing hold-down mechanism (11) includes the compacting machine of left compression bar (1103), left loop bar (1104), axle housing (102)
Structure, fixed left compression bar (1103) top of the left part of the sliding panel (7), and left compression bar (1103) is on sliding panel (7)
Fixed position is adjustable along up and down direction, and left compression bar (1103) lower part is slidably matched with left loop bar (1104) inner hole,
The fixed left compressed spring (1116) in left compression bar (1103) lower end, the fixed left limit pin in left compression rod (1115) upper end
(1108), left loop bar (1104) lower part is provided with the left limit slot (1114) opened up along up and down direction, left limit pin (1108)
The sliding in left limit slot (1114), the lower end of left loop bar (1104) coaxially fix left reset spring and block (1105), are located at a left side
Spacer pin (1108) and left reset spring block to be provided with left reset spring (1109) between (1105), and left reset spring
(1109) it is set on left compression rod (1115), is arranged between left compression rod (1115) upper end and left compressed spring (1116) lower end
There is distance, the inner hole that left compression rod (1115) lower end blocks (1105) with left reset spring is slidably matched, left compression rod (1115)
Lower end is connected with the hold-down mechanism of axle housing (102), and the elastic stiffness of the left reset spring (1109) is less than left compressed spring
(1116)；
The positioning mechanism of axle housing (102) and the lower end supporting mechanism of bridge tube (101), bottom are provided on the base plate (1)
It is fixed on seat board (1) electrical turntable (2), the clearance fit bridge tube being arranged on the upside of electrical turntable (2) and axle housing (102) front
(101) connecting hole (1022) coaxial arrangement, the fixed left side welding mechanism (3) in electrical turntable left side, is used for bridge tube
(101) welding of connecting hole (1022) upper end intersection and on axle housing.
2. the half-bridge welder of self-centering clamping according to claim 1, it is characterised in that: the axle housing
(102) hold-down mechanism includes left connecting rod (1106), left lever (1107), left claw (1111), left claw drive pin
(1113), the left compression rod (1115) fixes left connection after being passed down through the inner hole of left reset spring closure (1105) lower end
The front end of bar (1106), the lower end of the rear end fixed left lever (1107) of left connecting rod (1106), left lever (1107) and pedestal
The circular hole opened up on plate (1) is slidably matched, and left lever (1107) is upward through base plate (1) and fixes left claw drive pin afterwards
(1113), left hinged seat four (1110) is fixed on base plate, left claw (1111) is L-shaped, left hinged seat four (1110) and left pressure
The end on L shape one side of pawl (1111) is hinged, and L-shaped corner to the another side end of left claw (1111) is provided with front and back and passes through
The middle part of the left claw sliding slot (1112) worn, left claw drive pin (1113) can match in sliding in left claw sliding slot (1112)
It closes；The left lever (1107) is located on the left of the outer rim of axle housing (102), and the left hinged seat four (1110) is located at left lever
(1107) left side, the L-shaped another side end of left claw (1111) are provided with the left cylinder along left and right directions.
3. the half-bridge welder of self-centering clamping according to claim 2, it is characterised in that: the base plate
(1) structure of the positioning mechanism of axle housing (102) and the lower end supporting mechanism of bridge tube (101) is provided on are as follows: the pedestal
The upper center position of plate (1) is fixed axle housing positioning plate (15), and the front of axle housing positioning plate (15) is provided with determining for interior hollow toroid
Positioning convex platform (1021) clearance fit of the lower convex ring shape of position chamber (151), positioning chamber (151) and the setting of axle housing (102) front, is used
Positioning in axle housing (102), the upper center position of the axle housing positioning plate (15) are provided with the bridge tube support stretched out upwards
Column (152), the outer diameter of bridge tube support column (152) are less than the company for the clearance fit bridge tube (101) being arranged on the upside of axle housing (102) front
Axle housing (102) is placed on axle housing positioning plate (15) and is positioned for facilitating by the diameter for connecing hole (1022), bridge tube support column
(152) lower end of bridge tube (101), the connecting hole being arranged on the upside of bridge tube (101) lower end and axle housing (102) front are used to support
(1022) clearance fit, the electrical turntable (2), bridge tube support column (152), bridge tube (101) coaxial arrangement.
4. the half-bridge welder of self-centering clamping according to claim 3, it is characterised in that: the left side welding
Mechanism (3) includes left welding base (301), left hinged platform one (302), left tumble cylinder (303), left welding gun support (304), left weldering
Rifle fixing seat (305), left welding gun cylinder (306), left welding gun chuck (307), left hinged seat two (308), left hinged seat three
(309), fixed left welding base (301) on the left of the rotating part of the electrical turntable (2), the upside of left welding base (301) are left
The fixed left hinged platform one (302) in middle position is held, left hinged platform one (302) and the fixing end of left tumble cylinder (303) are hinged, institute
The left welding gun support (304) stated is L-shaped, the end on L shape one side of the fixed left welding gun support (304) in the middle part of left welding base (301)
Portion, the left welding gun cylinder (306) are fixed on left welding gun fixing seat (305), the downside right part of left welding gun fixing seat (305)
Fixed left hinged seat three (309), left hinged seat three (309) and the piston rod of left tumble cylinder (303) are hinged, left welding gun fixing seat
(305) the fixed left hinged seat two (308) of downside left part, the end of the L shape another side of left welding gun support (304) and left hinged seat
Hingedly, left welding gun cylinder (306) is double piston-rod cylinder for two (308), and the double piston-rod end of left welding gun cylinder (306) is fixed left
Welding gun chuck (307), the fixed left welding gun (103) of left welding gun chuck (307), the left welding base (301), left hinged platform one
(302), left tumble cylinder (303), left welding gun support (304), left welding gun fixing seat (305), left hinged seat two (308), left hinge
Joint chair three (309) forms cranking block mechanism.
5. the half-bridge welder of self-centering clamping according to claim 4, it is characterised in that: the left compression bar
(1103) the fixation position on sliding panel (7) is along the adjustable structure of up and down direction are as follows: the left side axle housing compacting machine
Structure (11) further includes left wing bolt (1101), left compression bar fixing seat (1102), is fixed on rear side of the left part of the sliding panel (7)
Left compression bar fixing seat (1102), left compression bar fixing seat (1102) and left compression bar (1103) upper gap cooperate, left compression bar fixing seat
(1102) left wing bolt (1101) are screwed in bolt hole, to adjust behind left compression bar (1103) upper and lower position and by left compression bar
(1103) it is fixed on left compression bar fixing seat (1102).
6. the welding method of the half-bridge welder of self-centering clamping according to claim 5, it is characterised in that:
When welding bridge tube and axle housing for the first time, is debugged, is otherwise directly entered work step, debugging step is as follows:
Step 1: control lower air cylinder (9) is in retracted mode, and it is fixed that the positioning convex platform (1021) of axle housing (102) is inserted into axle housing
In the positioning chamber (151) of position plate (15), realizes the positioning of axle housing (102), the lower end of bridge tube (101) is inserted into axle housing (102)
In the connecting hole (1022) being arranged on the upside of front, the lower end of bridge tube (101) is bonded bridge tube support column (152), to bridge tube
(101) positioning；
Step 2: unscrewing left wing bolt (1101), unscrew the right wing bolt of right side axle housing hold-down mechanism;
Step 3: the piston rod of control lower air cylinder (9) is overhanging, and sliding panel (7) moves down, and drives guide rail (12) to move down, left slider
(501) left cantilever (503), left guide plate (504), left vee-block (502) is driven to move down, left sliding pin (505) is along left guide groove
(141) it slides, during left slider (501) moves down, while Slideslip to the right, distance of the left vee-block (502) apart from bridge tube become
It is short, during the right sliding block of right side centering hold-down mechanism moves down, while Slideslip to the right, right vee-block is apart from bridge tube (101)
Distance shortens；When left vee-block (502) or the distance 2-3mm of right vee-block distance contact bridge tube (101), lower air cylinder is controlled
(9) piston rod stops overhanging；
Step 4: the right compression bar of the left compression bar of manual depression (1103), right side axle housing hold-down mechanism, left compression bar (1103) move down, left
Compressed spring (1116) compression, left compression rod (1115) move down, left reset spring (1109) compression, under left connecting rod (1106)
It moves, left lever (1107) moves down, and left claw drive pin (1113) moves down and the sliding in left claw sliding slot (1112), left claw
(1111) right end compresses the planar annular of the edge setting of axle housing (102), a left side for the right claw of right side axle housing hold-down mechanism
The planar annular of the edge setting of the tight axle housing of side pressure (102), left compression bar (1103), right compression bar upper end in same level height,
Matching for axle housing (102) is compressed to left claw (1111), right claw；
Step 5: screw left wing bolt (1101), screw right side axle housing hold-down mechanism right wing bolt, left compression bar (1103),
Right compression bar is separately fixed at left compression bar fixing seat (1102), in right compression bar fixing seat；
Step 6: the piston rod of control lower air cylinder (9) retracts, and left vee-block (502), right vee-block move up and far from bridge tubes
(101), left compression bar (1103) moves up, and left compressed spring (1116) moves up, and left reset spring (1109) makes left compression rod (1115)
It moves up, left compressed spring (1116) lower end and left compression rod (1115) upper end are there are distance, and left lever (1107) moves up, left claw
(1111) side to overturn to the left, right claw side to overturn to the right；
Step 7: the double piston-rod for controlling left welding gun cylinder (306) retracts, the backhand welding rifle cylinder double piston-rod of right side welding mechanism
It retracts, the piston rod of left tumble cylinder (303) stretches out outward, makes left welding gun fixing seat (305) around left welding gun support (304)
It is overturn to the left with the hinge joint of L shape another side end, the piston rod of the right tumble cylinder of right side welding mechanism stretches out outward, makes
Backhand welding rifle fixing seat is overturn to the right around backhand welding gun carriage and the hinge joint of L shape another side end；
Step 8: removing bridge tube (101), axle housing (102), complete debugging；
Working stage:
Step 1: the positioning convex platform (1021) of axle housing (102) being inserted into the positioning chamber (151) of axle housing positioning plate (15), realized
The lower end of bridge tube (101) is inserted into the connecting hole (1022) being arranged on the upside of axle housing (102) front by the positioning of axle housing (102),
The lower end of bridge tube (101) is bonded bridge tube support column (152), to the positioning to bridge tube (101)；
Step 2: the piston rod of control lower air cylinder (9) is overhanging, and sliding panel (7) moves down, and drives guide rail (12) to move down, left slider
(501) left cantilever (503), left guide plate (504), left vee-block (502) is driven to move down, left sliding pin (505) is along left guide groove
(141) it slides, during left slider (501) moves down, while Slideslip to the right, while left compression bar (1103) moves down, right side bridge
The right compression bar of shell hold-down mechanism moves down, and left compressed spring (1116) compression, left compression rod (1115) moves down, left reset spring
(1109) it compresses, left connecting rod (1106) moves down, and left lever (1107) moves down, and left claw drive pin (1113) moves down and in left pressure
Sliding in pawl sliding slot (1112), the right end of left claw (1111) compress the planar annular of the edge setting of axle housing (102), left side
Axle housing hold-down mechanism (11) and right side axle housing hold-down mechanism symmetrical a, left side for right claw about the bilateral symmetry plane of base plate (1)
The planar annular of the edge setting of the tight axle housing of side pressure (102)；
Step 3: the piston rod continuation of lower air cylinder (9) is overhanging, and left compressed spring (1116) continues to compress, left claw (1111),
The pressing force that right claw compresses axle housing (102) increases, and left vee-block (502), right vee-block continue to move down and simultaneously clamp on bridge tube
(101), left vee-block (502), right vee-block both self-centerings bridge tube (101), also make bridge tube (101) by downward pressure simultaneously
Power realizes accurately positioning and fixing for bridge tube (101)；
Step 4: the piston rod for controlling left tumble cylinder (303) retracts, and makes left welding gun fixing seat (305) around left welding gun support
(304) hinge joint with L shape another side end is overturn to the right, and the piston rod of the right tumble cylinder of right side welding mechanism retracts, and is made
Backhand welding rifle fixing seat is overturn to the left around backhand welding gun carriage and the hinge joint of L shape another side end；
Step 5: the double piston-rod for controlling left welding gun cylinder (306) stretches out, the backhand welding rifle cylinder double piston-rod of right side welding mechanism
It stretches out, backhand welding rifle alignment position while welding (104) of left welding gun (103), right side welding mechanism；
Step 6: controlling left welding gun (103), the wire-feed motor that the backhand welding rifle of right side welding mechanism is included conveys welding wire, welding bridge tube
(101) and axle housing (102), while electrical turntable (2) rotation is controlled, realizes that the circumference bilateral of bridge tube (101) and axle housing (102) welds
It connects；
Step 7: after electrical turntable (2) circumferentially rotates 180 degree, wire-feed motor stops wire feed, completes bridge tube (101) and bridge
The welding of shell (102), the double piston-rod for controlling left welding gun cylinder (306) retract, the backhand welding rifle cylinder dual-active of right side welding mechanism
Stopper rod retracts；
Step 8: control electrical turntable (2) circumferentially rotates backward 180 degree；
Step 9: the piston rod for controlling left tumble cylinder (303) stretches out outward, makes left welding gun fixing seat (305) around left welding gun
Bracket (304) and the hinge joint of L shape another side end are overturn to the left, and the piston rod of the right tumble cylinder of right side welding mechanism is outside
Side is stretched out, and overturns backhand welding rifle fixing seat to the right around backhand welding gun carriage and the hinge joint of L shape another side end；
Step 10: control lower air cylinder (9) piston rod retract, left vee-block (502), right vee-block far from bridge tube (101) and on
It moves, left compression bar (1103) moves up, and left compressed spring (1116) moves up, and left reset spring (1109) makes on left compression rod (1115)
It moves, left lever (1107) moves up, left claw (1111) side to overturn to the left, same right claw side to overturn to the right；
Step 11: removing the weldment of bridge tube (101) and axle housing (102), complete the weldering of a bridge tube (101) and axle housing (102)
It connects, repeats the above steps and complete the welding of another bridge tube and axle housing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910709705.3A CN110328423B (en) | 2019-08-02 | 2019-08-02 | Automatic centering and clamping half-bridge welding device and welding method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910709705.3A CN110328423B (en) | 2019-08-02 | 2019-08-02 | Automatic centering and clamping half-bridge welding device and welding method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110328423A true CN110328423A (en) | 2019-10-15 |
| CN110328423B CN110328423B (en) | 2021-04-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910709705.3A Active CN110328423B (en) | 2019-08-02 | 2019-08-02 | Automatic centering and clamping half-bridge welding device and welding method |
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| CN112756873A (en) * | 2019-10-21 | 2021-05-07 | 苏州勖成精密电子有限公司 | Iron-clad straight seam welding equipment |
| CN116275669A (en) * | 2023-05-23 | 2023-06-23 | 江苏天叙照明集团有限公司 | Street lamp pole welding machine |
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| CN116275669B (en) * | 2023-05-23 | 2023-08-04 | 江苏天叙照明集团有限公司 | Street lamp pole welding machine |
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| CN110328423B (en) | 2021-04-13 |
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