CN110405311A

CN110405311A - A kind of the support bridge tube and blind shell welder and application method of computer control

Info

Publication number: CN110405311A
Application number: CN201910709780.XA
Authority: CN
Inventors: 朱丽华; 芦娜; 桑书娟; 石玉
Original assignee: Anyang Institute of Technology
Current assignee: Anyang Institute of Technology
Priority date: 2019-08-02
Filing date: 2019-08-02
Publication date: 2019-11-05
Anticipated expiration: 2039-08-02
Also published as: CN110405311B

Abstract

The present invention discloses the support bridge tube and blind shell welder of a kind of computer control, including support plate, the support plate is fixed left, right support column, fixed connecting plate and a left side, right support column is fixedly connected, lifter plate and a left side, right support column is slidably connected, fixed connecting plate stationary positioned cylinder, the fixed lifter plate of the piston rod of positioning cylinder, lifter plate is fixedly connected with support bridge tube centering machine, it is used to support the centering of the horizontal direction of bridge tube and the compression of up and down direction, the lifter plate is also fixed left, the blind shell hold-down mechanism in right side, compression for blind shell, electrical turntable is fixed in support plate, it is fixed left on electrical turntable, right side welding mechanism, it is used to support the welding of bridge tube Yu blind shell, solid blind shell positioning plate in the support plate, for the positioning of blind shell and the lower end positioning of support bridge tube, single cylinder positioning is realized to clamp It supports bridge tube and compresses blind shell, realize the automatic welding of support bridge tube and blind shell.

Description

A kind of the support bridge tube and blind shell welder and application method of computer control

Technical field

The present invention relates to the support bridge tubes and blind shell welder and application method of computer control, belong to vehicle rear axle weldering It is hinged with standby technical field.

Background technique

After the ring flange for installing brake gear is welded in support bridge tube one end of vehicle rear axle, the other end, which needs to weld, to be used In the blind shell of installation differential mechanism, blind shell is with axle housing button and for installing differential mechanism, since motor is mounted on axle housing side, axle housing one Side is connect with outside motor, and blind shell-side is not connected to motor and closes cecutiency shell, and traditional blind shell and support bridge tube welding use Clamping brace bridge tube, blind shell, low efficiency are manuallyd locate, and welding quality is not high, even if using automatic centering clamping mechanism, support Bridge tube, blind shell are also that independent centering clamps, and coordinative coherence is poor, and control is complicated.

What the application exactly proposed in this background, the application pushes positioning plate using flexible drive, pushes positioning plate On be provided with circumferencial direction setting locating detent, realize lower platen positioning support bridge tube upper end and centering clamping brace bridge Pipe；It pushes positioning plate to slide up and down with bar is slided up and down, locating detent upper end is slided in locating detent sliding slot in sliding process, positioning Pawl lower end centering clamping brace bridge tube；Three locating detents are resetted using spring straining, convenient for the installation before bridge tube welding；Position gas When cylinder piston rod moves down, while the blind shell of elastic compression is used, realizes that support bridge tube, the synchronous of blind shell compress；The blind shell of elastic compression Compression upper and lower position it is adjustable, the blind shell for adapting to different-thickness uses.

Summary of the invention

It is an object of the invention to: disclose a kind of bridge tube push it is fixed during, pass through the synchronous positioning branch of mechanical structure It supports the horizontal direction of bridge tube and blind shell is fixed by flexible connection mechanism positioning simultaneously, and support is realized using cranking block mechanism The welder and welding method that the computer of bridge tube and blind shell controls.

The object of the present invention is achieved like this: a kind of the support bridge tube and blind shell welder of computer control, including Support plate 1, electrical turntable 2, left and right side welding mechanism, left and right support column, support bridge tube centering machine 10, the blind shell of left and right side Hold-down mechanism, computer control system, the symmetrical structure of the support plate 1, left and right side welding mechanism, left and right branch The blind shell hold-down mechanism of dagger, left and right side is symmetrical about the bilateral symmetry face of support plate 1, the fixed left support column of the support plate 1 4 lower end, fixed connecting plate 6 are fixedly connected with left support column 4, right support column, and the top of lifter plate 7 and left and right support column is sliding Dynamic connection；

The 6 stationary positioned cylinder 5 of fixed connecting plate, the fixed lifter plate 7 in the piston rod upper end of positioning cylinder 5, attachment beam 8 with Lifter plate 7 is fixedly connected；

The support bridge tube centering machine 10 includes guiding connector sleeve 101, pushes positioning plate 103, bridge tube clamp system, described Guiding connector sleeve 101 be fixed on attachment beam 8, guiding connector sleeve 101 be slidably connected with bar 108 is slided up and down, slide up and down 108 upper end of bar is fixed with guide pin 102, is oriented to the sliding groove 1011 being provided on connector sleeve 101 along up and down direction, guide pin 102 slide in sliding groove 1011 along up and down direction, slide up and down the fixed pushing positioning plate 103 in 108 lower end of bar, described leads The lower end of connector sleeve 101 is provided with three uniformly distributed locating detent sliding slots 1012 of circumferencial direction, locating detent sliding slot 1012 under The supreme outside to guiding connector sleeve 101 tilts, and the pushing positioning plate 103 is cylindrical, pushes positioning plate 103 along circle Circumferential direction is uniformly arranged there are three bridge tube clamp system, and the bridge tube clamp system includes locating detent 105, axis pin base 107, institute The axis pin base 107 stated, which is fixed on, pushes 103 upside of positioning plate, the top of the hinged locating detent 105 of axis pin base 107, locating detent 105 Upper end is slided in a locating detent sliding slot 1012, and the locating detent 105 in three bridge tube clamp systems connects ring spring jointly 104；Pushing bullet is provided between bar 108 and the fixation position of attachment beam 8 in guiding 101 inner hole of connector sleeve and positioned at sliding up and down Spring 109；

The blind shell hold-down mechanism 12 in the left side includes the hold-down mechanism of left compression bar 1203, left loop bar 1204, blind shell 200, described Lifter plate 7 the fixed left compression bar 1203 of left part, 1203 lower part of left compression bar is slidably matched with left 1204 inner hole of loop bar, institute The fixed left compressed spring 1216 in 1203 lower end of left compression bar stated, left compressed spring 1216 are located in left 1204 inner hole of loop bar, a left side by 1215 upper end of compression bar is slidably connected with left 1204 lower end of loop bar, between left compressed spring 1216 and left compression rod 1215 exist away from From the left compression rod 1215 connects the hold-down mechanism of blind shell 200, for compressing blind shell 200；

Electrical turntable 2 is fixed in the support plate 1, the left and right side of the rotating part of electrical turntable fixes left and right side respectively Welding mechanism is fixed with blind shell positioning plate 14, to blind shell 200 to support the welding of bridge tube 100 Yu blind shell in support plate 1 Positioning and support the lower end positioning of bridge tube 100, the solenoid electric valve of the cylinder of the left and right side welding mechanism, positioning The solenoid electric valve of cylinder 5, the pivoting controller of electrical turntable 2 are connect by route with computer control system.

The left compression rod 1215 connects the structure of the hold-down mechanism of blind shell 200 are as follows: left 1215 upper end of compression rod is fixed Left limit pin 1208, left 1204 lower part of loop bar are provided with the left limit slot 1214 opened up along up and down direction, left limit pin 1208 It is slided in left limit slot 1214, the lower end of left loop bar 1204 coaxially fixes left reset spring and blocks 1205, is located at left limit pin It is provided with left reset spring 1209 between 1208 and left reset spring closure 1205, and left reset spring 1209 is set in left compression On bar 1215, distance, left 1215 lower end of compression rod are provided between 1216 lower end of left 1215 upper end of compression rod and left compressed spring The inner hole for blocking 1205 with left reset spring is slidably matched, and left 1215 lower end of compression rod connects the hold-down mechanism of blind shell 200, described Left reset spring 1209 elastic stiffness be less than left compressed spring 1216.

The hold-down mechanism of the blind shell 200 includes left connecting rod 1206, left lever 1207, left claw 1211, left claw Drive pin 1213, the left compression rod 1215 fix left connection after being passed down through the inner hole of 1205 lower ends of left reset spring closure The front end of bar 1206, the rear end of left connecting rod 1206 are fixed the lower end of left lever 1207, are opened up in left lever 1207 and support plate 1 Circular hole be slidably matched, left lever 1207, which is upward through after support plate 1, fixes left claw drive pin 1213, fixed left in support plate Hinged seat 4 1210, left claw 1211 is L-shaped, and left hinged seat 4 1210 and the end on L shape one side of left claw 1211 are hinged, left The L-shaped corner of claw 1211 to another side end is provided with pre-and post perforative left claw sliding slot 1212, left claw drive pin 1213 middle part can be slidably matched in left claw sliding slot 1212；The outer rim that the left lever 1207 is located at blind shell 200 is left Side, the left hinged seat 4 1210 are located at the left side of left lever 1207, and the L-shaped another side end of left claw 1211 is provided with Along the left cylinder of left and right directions.

Blind shell positioning plate 14 is fixed in the support plate 1, positioning and support bridge tube 100 to blind shell 200 The structure of lower end positioning are as follows: the fixed blind shell positioning plate 14 in the upper center position of the support plate 1, before blind shell positioning plate 14 Portion is provided with the positioning chamber 141 of interior hollow toroid, the positioning convex platform for the lower convex ring shape that positioning chamber 141 and blind 200 front of shell are arranged 2001 clearance fits, for the positioning of blind shell 200, the upper center position of the blind shell positioning plate 14 is provided with upward stretching Bridge tube support column 142, the outer diameter of bridge tube support column 142 is less than the diameter of blind shell 200 and bridge tube welding position, for facilitate by Axle housing is placed on blind shell positioning plate 14 and positions, and bridge tube support column 142 is used to support the lower end of support bridge tube 100, to support 2002 clearance fit of bridge tube connecting hole being arranged on the upside of the positioning of 100 lower end of bridge tube, support 100 lower end of bridge tube and blind 200 front of shell, Welding gun 103 welding support bridge tube 100 and blind 200 lap of shell upper end, the electrical turntable 2, bridge tube support column 142, It supports bridge tube 100, push the coaxial arrangement of positioning plate 103.

105 middle part to the lower end of locating detent is pressed downward the outside protrusion of positioning plate 103, pushes 103 edge of positioning plate Place is provided with three circumferentially uniformly distributed locating detent notches 1031, for avoiding locating detent 105, under locating detent 105 End is passed down through locating detent notch 1031, and the lower surface that the lower end distance of locating detent 105 pushes positioning plate 103 is 20-25mm.

The structure of the fixed left compression bar 1203 of the left part of the lifter plate 7 are as follows: fixed on rear side of the left part of the lifter plate 7 Left compression bar fixing seat 1202, left compression bar fixing seat 1202 cooperate with left 1203 upper gap of compression bar, left compression bar fixing seat 1202 Left wing bolt 1201 is screwed in bolt hole, to adjust behind left 1203 upper and lower position of compression bar and left compression bar 1203 is fixed on a left side In compression bar fixing seat 1202.

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；

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, avoid for realizing the swing of left welding gun cylinder 306 Support bridge tube 100.

105 upper end of locating detent is provided with cylinder one, slides in locating detent sliding slot 1012 for locating detent 105 and is Line contact；105 lower end of locating detent is provided with cylinder two, when being deflected for locating detent 105 along pin shaft 106, cylinder two The lateral surface of the convex annulus in 100 upper end of clamping brace bridge tube is line contact.

The attachment beam 8 is L-shaped, is fixedly connected in the middle part of L-shaped one side and the rear side of lifter plate 7, the L of attachment beam 8 Shape another side is stretched out to rear side, and another side end of L shape of beam 8 is fixedly connected on the downside of the fixed fixing sleeve 9 in rear end, fixing sleeve 9 Portion.

The application method of the support bridge tube and blind shell welder of the described computer control, when welding for the first time, need into Row debugging, is otherwise directly entered working stage:

The debugging stage:

Step 1: the piston rod of control positioning cylinder 5 stretches out state, the positioning convex platform 2001 of blind shell 200 is inserted into blind shell and is determined In the positioning chamber 141 of position plate 14, the positioning of blind shell 200 is realized, the lower end of bridge tube 100 will be supported to be inserted on blind 200 front of shell In the bridge tube connecting hole 2002 of side setting, the lower end of support bridge tube 100 is bonded bridge tube support column 142, to support bridge tube 100 Up and down direction positioning；

Step 2: unscrewing left wing bolt 1201, the right wing bolt of the blind shell hold-down mechanism in right side is unscrewed;Control positioning cylinder 5 Piston rod move down, lifter plate 7 moves down, and attachment beam 8 moves down, support bridge tube centering machine 10 move down, guiding connector sleeve 101 drive When pushing positioning plate 103 is displaced downwardly to the convex annulus 2-3mm of distance support 100 upper end of bridge tube, computer control system control is fixed The piston rod stopping of position cylinder 5 moves down；

Step 4: the right compression bar of the left compression bar 1203 of manual depression, the blind shell hold-down mechanism in right side, left compression bar 1203 move down, left pressure Contracting spring 1216 compresses, and left compression rod 1215 moves down, and left reset spring 1209 compresses, and left connecting rod 1206 moves down, left lever 1207 move down, and left claw drive pin 1213 is moved down and slided in left claw sliding slot 1212, and the right end of left claw 1211 compresses blind The planar annular of the edge setting of shell 200, due to the blind shell hold-down mechanism in left side 12 with the blind shell hold-down mechanism in right side about support 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 blind shell 200, left compression bar 1203, right compression bar upper end compresses matching for blind shell 200 to left claw 1211, right claw in same level height；

Step 5: screwing left wing bolt 1201, the right wing bolt of the blind shell hold-down mechanism in right side, left compression bar 1203, the right side are screwed Compression bar is separately fixed at left compression bar fixing seat 1202, in right compression bar fixing seat；

Step 7: the piston rod of control positioning cylinder 5 rises to top, positioning plate 103 is pushed far from support bridge tube 100, left pressure Bar 1203 moves up, and left compressed spring 1216 moves up, and left reset spring 1209 moves up left compression rod 1215, left compressed spring 1216 There are distance, left lever 1207 is moved up for lower end and left 1215 upper end of compression rod, left claw 1211 side to overturn to the left, same right pressure Pawl side to overturn to the right；

Step 8: the double piston-rod for controlling 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 9: removing support bridge tube 100, blind shell 200, debugging is completed；Only welded in the axle housing of the axle housing of same specification, bridge tube When, and for the first time using the half-bridge welder of the self-centering clamping when debugged, otherwise directly carry out working stage；

Working stage:

Step 1: the positioning convex platform 2001 of blind shell 200 is inserted into the positioning chamber 141 of blind shell positioning plate 14, blind shell 200 is realized Positioning, the lower end for supporting bridge tube 100 is inserted into the bridge tube connecting hole 2002 being arranged on the upside of blind 200 front of shell, support bridge The lower end of pipe 100 is bonded bridge tube support column 142, to the positioning to support bridge tube 100；

Step 2: the piston rod of control positioning cylinder 5 retracts, lifter plate 7 is moved down, and attachment beam 8 moves down, and is oriented under connector sleeve 101 It moves, pushes positioning plate 103 and move down；Left compression bar 1203 moves down, the right compression bar of the blind shell hold-down mechanism in right side moves down, left compression simultaneously Spring 1216 compresses, and left compression rod 1215 moves down, and left reset spring 1209 compresses, and left connecting rod 1206 moves down, left lever 1207 It moves down, left claw drive pin 1213 is moved down and slided in left claw sliding slot 1212, and the right end of left claw 1211 compresses blind shell 200 Edge setting planar annular, the blind shell hold-down mechanism in left side 12 and left and right of the blind shell hold-down mechanism in right side about support plate 1 Symmetrical plane is symmetrical, and the left end of right claw compresses the planar annular of the edge setting of blind shell 200；

Step 3: the piston rod of control positioning cylinder 5 continues to retract, left compressed spring 1216 continues to compress, left claw 1211, the right side The pressing force that claw compresses blind shell 200 increases, and pushes the upside table that positioning plate 103 pushes the support convex annulus in 100 upper end of bridge tube Face slides up and down the upward sliding in guiding connector sleeve 101 of bar 108, and lower pressing spring 109 compressed, 102 both ends of guide pin along 1011 upward sliding of sliding groove, ring spring 104 are stretched, and 105 lower ends of locating detent of three bridge tube clamp systems is to support bridge The inside of pipe 100 deflects, and the lower end of locating detent 105 positions and clamp the outer surface of the convex annulus in 100 upper end of bridge tube, and it is fixed to push The lower surface of position plate 103 pushes the uper side surface of the support convex annulus in 100 upper end of bridge tube, realizes the accurate fixed of support bridge tube 100 Position；

Step 4: the piston rod for controlling left tumble cylinder 303 retracts, make left welding gun fixing seat 305 around left welding gun support 304 with The hinge joint of 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 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；

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 is stretched Out, the backhand welding rifle alignment position while welding 300 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 support bridge Pipe 100 and blind shell 200, while the rotation of electrical turntable 2 is controlled, realize the circumference bilateral welding of support bridge tube 100 and blind shell 200；

Step 7: wire-feed motor stops wire feed after electrical turntable 2 circumferentially rotates 180 degree, support 100 He of bridge tube is completed The welding of blind shell 200；

Step 8: the double piston-rod for controlling left welding gun cylinder 306 retracts, the backhand welding rifle cylinder double piston-rod contracting of right side welding mechanism It returns；

Step 9: electrical turntable 2 circumferentially rotates backward 180 degree；

Step 10: the piston rod for controlling left tumble cylinder 303 stretches out outward, make left welding gun fixing seat 305 around left welding gun branch The hinge joint of frame 304 and L shape another side end is overturn to the left, 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；

Step 11: the piston rod of control positioning cylinder 5 stretches out, positioning plate 103 is pushed far from support bridge tube 100, lower pressing spring 109 reset, and make to slide up and down bar 108 and move down, and 102 both ends of guide pin are along 1011 slide downward of sliding groove, 104 quilt of ring spring It shrinks, 105 lower end of locating detent of three bridge tube clamp systems is deflected to the outside of support bridge tube 100, and left compression bar 1203 moves up, left Compressed spring 1216 moves up, and left reset spring 1209 moves up left compression rod 1215, left 1216 lower end of compressed spring and left compression There are distance, left levers 1207 to move up for 1215 upper end of bar, and left claw 1211 to the left turn on one's side to the right by side to overturn, same right claw Turn；

Step 12: removing the weldment of support bridge tube 100 and blind shell 200, a support bridge tube 100 and blind shell 200 are completed Welding, repeats the above steps and completes the welding of another bridge tube and axle housing.

Compared with prior art, the present invention has the advantage that

What the application exactly proposed in this background, the application pushes positioning plate using flexible drive, pushes and sets on positioning plate It is equipped with the locating detent of circumferencial direction setting, realizes upper end and the centering clamping brace bridge tube of lower platen positioning support bridge tube；Under Pressure positioning plate is slided up and down with bar is slided up and down, and locating detent upper end is slided in locating detent sliding slot in sliding process, under locating detent End centering clamping brace bridge tube；Three locating detents are resetted using spring straining, convenient for the installation before bridge tube welding；Positioning cylinder is living When stopper rod moves down, while the blind shell of elastic compression is used, realizes that support bridge tube, the synchronous of blind shell compress.

Detailed description of the invention

Fig. 1 is the overall construction drawing one of the support bridge tube and blind shell welder of computer control.

Fig. 2 is the overall construction drawing two of the support bridge tube and blind shell welder of computer control.

Fig. 3 is the structural schematic diagram one for supporting bridge tube device for positioning and securing.

Fig. 4 is the structural schematic diagram two for supporting bridge tube device for positioning and securing.

Fig. 5 is the structural schematic diagram three for supporting bridge tube device for positioning and securing.

Fig. 6 is guiding connecting jacket structure schematic diagram.

Fig. 7 is the structural schematic diagram for pushing positioning plate with sliding up and down bar and connecting.

Fig. 8 is the superstructure schematic diagram of downside hold-down mechanism.

Fig. 9 is the substructure schematic diagram of downside hold-down mechanism.

Figure 10 is attachment structure schematic diagram in the middle part of the hold-down mechanism of downside.

Figure 11 is that downside hold-down mechanism compresses blind shell marginal texture schematic diagram.

Figure 12 is the structural schematic diagram of left side welding mechanism.

Figure 13 is the structural schematic diagram of blind shell.

Figure 14 is the structural schematic diagram of blind shell positioning and support bridge tube lower end support section.

Appended drawing reference: 1- support plate, 2- electrical turntable, the left side 3- welding mechanism, 4- left support column, 5- positioning cylinder, 6- Fixed connecting plate, 7- lifter plate, 8- attachment beam, 9- fixing sleeve, 10- support bridge tube centering machine, 11- piston rod attachment base, 12- The blind shell hold-down mechanism in left side, 13- right support column, the blind shell positioning plate of 14-, 100- support bridge tube, the blind shell of 200-, 300- weld seam position It sets, the left welding gun of 400-, the left welding base of 301-, 302- left hinged platform one, the left tumble cylinder of 303-, the left welding gun support of 304-, 305- The left welding gun cylinder of left welding gun fixing seat, 306-, the left welding gun chuck of 307-, the left hinged seat two of 308-, the left hinged seat three of 309-, 101- It is oriented to connector sleeve, 102- guide pin, 103- and pushes positioning plate, 104- ring spring, 105- locating detent, 106- pin shaft, 107- pin Axle bed, 108- slide up and down pressing spring under bar, 109-, 1011- sliding groove, 1012- locating detent sliding slot, 1031- locating detent notch, 1051- sliding slot socket cap, 1052- spring connecting hole, 1053- compress socket cap, the left wing bolt of 1201-, the left compression bar of 1202- and consolidate Reservation, the left compression bar of 1203-, the left loop bar of 1204-, the left reset spring closure of 1205-, the left connecting rod of 1206-, 1207- left lever, 1208- left limit pin, the left reset spring of 1209-, the left hinged seat four of 1210-, the left claw of 1211-, the left claw sliding slot of 1212-, The left claw drive pin of 1213-, 1214- left limit slot, the left compression rod of 1215-, the left compressed spring of 1216-, 141- positioning chamber, 142- Bridge tube support column, 2001- positioning convex platform, 2002- bridge tube connecting hole.

Specific embodiment

In conjunction with Fig. 1~14, the support bridge tube and blind shell welder of a kind of computer control of the invention, including support plate 1, electrical turntable 2, left side welding mechanism 3, right side welding mechanism, left support column 4, positioning cylinder 5, fixed connecting plate 6, lifter plate 7, attachment beam 8, fixing sleeve 9, support bridge tube centering machine 10, piston rod attachment base 11, the blind shell hold-down mechanism 12 in left side, right support Column 13, the blind shell hold-down mechanism in right side, blind shell positioning plate 14, computer control system are located at face towards support bridge with operator The position of pipe 100, positioning cylinder 5, with the top to bottom, left and right, front and rear of top to bottom, left and right, front and rear direction definition the application of operator Direction, to describe the application.The symmetrical structure of the support plate 1, the blind shell hold-down mechanism in the left side 12 with The blind shell hold-down mechanism in right side, left side welding mechanism 3 and right side welding mechanism, left support column 4 and right support column 13 are about support plate 1 Bilateral symmetry face be symmetrical set.

The left support column 4, right support column are along up and down direction and arranged in parallel, front side, the left side of support plate 1 The lower end of fixed left support column 4, the left and right side of fixed connecting plate 6 is fixed with the middle part of left support column 4, right support column respectively to be connected It connects, top of the left and right end of lifter plate 7 respectively with left support column 4, right support column is slidably connected.

Stationary positioned cylinder 5 in the middle part of the front side of the fixed connecting plate 6, the piston rod of positioning cylinder 5 stretches out upwards, fixed The piston rod upper end fixed piston rod attachment base 11 of position cylinder 5, piston rod attachment base 11 are fixed in the middle part of the front side of lifter plate 7, To drive the oscilaltion of lifter plate 7.

The attachment beam 8 is L-shaped, is fixedly connected in the middle part of L-shaped one side and the rear side of lifter plate 7, the L of attachment beam 8 Shape another side is stretched out to rear side, and the fixed support bridge tube centering machine 10 on the downside of the fixed fixing sleeve 9 in rear end, fixing sleeve 9.

The support bridge tube centering machine 10 includes guiding connector sleeve 101, guide pin 102, pushes positioning plate 103, ring Shape spring 104, pin shaft 106, axis pin base 107, slides up and down bar 108, lower pressing spring 109 at locating detent 105, and the guiding connects Female connector 101 is placed in the vertical direction, and the downside of the fixed fixing sleeve 9 in guiding 101 upper end of connector sleeve is oriented to 101 inner hole of connector sleeve It is slidably connected with bar 108 is slided up and down, slides up and down 108 upper end of bar and be fixed with along horizontally arranged guide pin 102 Middle part, is oriented to the sliding groove 1011 for being provided on connector sleeve 101 and being arranged along up and down direction, and sliding groove 1011 is connected along guiding Set 101 extends radially through, and the both ends of guide pin 102 are slided in sliding groove 1011 along up and down direction, are slided up and down under bar 108 End is fixed to push positioning plate 103, and it is sliding that the lower end of the guiding connector sleeve 101 is provided with three uniformly distributed locating detents of circumferencial direction Slot 1012, locating detent sliding slot 1012 are tilted to the outside of guiding connector sleeve 101 from bottom to up, the pushing positioning plate 103 It is cylindrical, it pushes positioning plate 103 and is circumferentially uniformly arranged there are three bridge tube clamp system, the bridge tube clamping machine Structure includes locating detent 105, pin shaft 106, axis pin base 107, and the axis pin base 107, which is fixed on, pushes 103 cylinder of positioning plate Fixed at upper edge, on axis pin base 107 along horizontally arranged pin shaft 106, the hinged locating detent 105 of pin shaft 106 it is upper The upper end in portion, locating detent 105 is slided in a locating detent sliding slot 1012 along up and down direction, the middle part of locating detent 105 to lower end to The outside protrusion for pushing positioning plate 103, pushes 103 edge of positioning plate and is provided with three circumferentially uniformly distributed locating detents Notch 1031, for avoiding locating detent 105, the lower end of locating detent 105 is passed down through locating detent notch 1031, locating detent 105 The lower surface that lower end distance pushes positioning plate 103 is 20-25mm, and the lower end of locating detent 105 is for positioning and clamping bridge tube 100 The outer surface of convex annulus is held, pushes the lower surface of positioning plate 103 for depressing the upper of the support convex annulus in 100 upper end of bridge tube The accurate positionin of support bridge tube 100 is realized in side surface, is oriented in 101 inner hole of connector sleeve and is located at and slides up and down bar 108 and fixed Lower pressing spring 109 is provided between set 9；

It is provided with spring connecting hole 1052 on the locating detent 105 between pin shaft 106 and the upper end of locating detent 105, three Spring connecting hole 1052 in a bridge tube clamp system is equipped with a ring spring 104, for depressing positioning plate 103 not under When pressure support 100 upper end of bridge tube, the locating detent 105 in three bridge tube clamp systems is close to each other, and 105 lower end of locating detent is fixed to pressure The position outer side to overturn of plate 103 facilitates support 100 lower end of bridge tube to be placed into the bridge tube connecting hole 2002 of blind shell 200, blind shell 200 Nock is provided with along upper and lower perforative bridge tube connecting hole 2002, between bridge tube connecting hole 2002 and support 100 lower end of bridge tube The upper end of gap cooperation, support bridge tube 100 and 2002 intersection of bridge tube connecting hole is position while welding 300.

105 upper end of locating detent is provided with cylinder one, when being deflected for locating detent 105 along pin shaft 106, cylinder one Sliding is always line contact in locating detent sliding slot 1012, reduces frictional resistance；105 lower end of locating detent is provided with cylinder Two, when deflecting for locating detent 105 along pin shaft 106, the lateral surface of two clamping brace bridge tube of cylinder, the 100 convex annulus in upper end begins Eventually it is that line contacts, positions reliable clamping.

The blind shell hold-down mechanism 12 in the left side includes left wing bolt 1201, left compression bar fixing seat 1202, left compression bar 1203, left loop bar 1204, left reset spring block 1205, left connecting rod 1206, left lever 1207, left limit pin 1208, Zuo Fu Position spring 1209, left hinged seat 4 1210, left claw 1211, left claw drive pin 1213, left compression rod 1215, left compressed spring 1216, the left part rear side of the lifter plate 7 fixes left compression bar fixing seat 1202, left compression bar fixing seat 1202 and left compression bar 1203 Upper gap cooperates, and left wing bolt 1201 is screwed in the bolt hole of left compression bar fixing seat 1202, to adjust left compression bar 1203 It is fixed in left compression bar fixing seat 1202 behind upper and lower position and by left compression bar 1203.

1203 downside to the end and left 1204 inner hole of loop bar of left compression bar is slidably matched, under the left compression bar 1203 The fixed left compressed spring 1216 in end, the middle part of the fixed left limit pin 1208 in the left compression rod upper end, left 1204 lower part of loop bar Open up along up and down direction and left and right directions is provided with through left limit slot 1214, the left and right end of left limit pin 1208 is on a left side It is slided in limiting slot 1214 along up and down direction, the lower end of left loop bar 1204 coaxially fixes left reset spring and blocks 1205, is located at Left limit pin 1208 and left reset spring block and are provided with left reset spring 1209 between 1205, and left reset spring 1209 is arranged On left compression rod 1215, left 1215 upper end of compression rod and left compressed spring are provided with distance, left compression rod between 1216 lower end 1215, which are passed down through left reset spring, blocks the front end that left connecting rod 1206 is fixed after the inner holes of 1205 lower ends, left compression rod 1215 The inner hole that lower end blocks 1205 with left reset spring is slidably matched, and the elastic stiffness of the left reset spring 1209 is less than left pressure When contracting spring 1216, i.e. receiving same load, the decrement of left compressed spring 1216 is less than left reset spring 1209.

The lower end of left lever 1207, the circle opened up on left lever 1207 and support plate 1 are fixed in the rear end of left connecting rod 1206 Hole is slidably matched, and left lever 1207 is upward through the front and back ends that left claw drive pin 1213 is fixed after support plate 1, in support plate Fixed left hinged seat 4 1210, left claw 1211 is L-shaped, the end of left hinged seat 4 1210 and L shape one side of left claw 1211 Hingedly, the L-shaped corner of left claw 1211 to another side end is provided with pre-and post perforative left claw sliding slot 1212, left claw The middle part of drive pin 1213 can be slidably matched in left claw sliding slot 1212.The left lever 1207 is located at blind shell 200 On the left of outer rim, the left hinged seat 4 1210 is located at the left side of left lever 1207, the L-shaped another side end of left claw 1211 It is provided with the left cylinder along left and right directions, after the thickness change to realize blind shell 200, Zuo Yuanzhu still compresses axle housing outer rim On the planar annular of setting.

The fixed blind shell positioning plate 14 in the upper center position of the support plate 1, the front of blind shell positioning plate 14 is provided with Match in 2001 gap of positioning convex platform of the positioning chamber 141 of interior hollow toroid, the lower convex ring shape that positioning chamber 141 is arranged with blind 200 front of shell It closes, for the positioning of blind shell 200, the upper center position of the blind shell positioning plate 14 is provided with the bridge tube support stretched out upwards Column 142, the outer diameter of bridge tube support column 142 are less than the diameter of blind shell 200 and bridge tube welding position, are placed on axle housing for facilitating It on blind shell positioning plate 14 and positions, bridge tube support column 142 is used to support the lower end of support bridge tube 100, to support 100 lower end of bridge tube 2002 clearance fit of bridge tube connecting hole being arranged on the upside of positioning, support 100 lower end of bridge tube and blind 200 front of shell, welding gun 103 weld The upper end for supporting bridge tube 100 and blind 200 lap of shell, i.e., weld position while welding 300.

The fixing end of electrical turntable 2, electrical turntable 2, bridge tube support column 142, support bridge tube are fixed in the support plate 1 100 coaxial arrangements.

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 support bridge tube for realizing the swing of left welding gun cylinder 306 100。

Support shelf is fixed on the downside of the support 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, positioning cylinder 5 electricity Magnetic control valve, electrical turntable 2 pivoting controller connect with computer control system by route.

When needing to weld support bridge tube 100 and blind shell 200, welding is to be debugged for the first time: control positioning cylinder 5 Piston rod stretch out state, the positioning convex platform 2001 of blind shell 200 is inserted into the positioning chamber 141 of blind shell positioning plate 14, realize The lower end for supporting bridge tube 100 is inserted into the bridge tube connecting hole 2002 being arranged on the upside of blind 200 front of shell by the positioning of blind shell 200, It supports the lower end of bridge tube 100 to be bonded bridge tube support column 142, is positioned to the up and down direction to support bridge tube 100；Unscrew left butterfly Bolt 1201 unscrews the right wing bolt of the blind shell hold-down mechanism in right side;The piston rod of control positioning cylinder 5 moves down, lifter plate 7 It moves down, attachment beam 8 moves down, and fixing sleeve drives support bridge tube centering machine 10 to move down, and guiding connector sleeve 101, which drives, pushes positioning plate 103 be displaced downwardly to distance support 100 upper end of bridge tube convex annulus 2-3mm when, computer control system control positioning cylinder 5 work Stopper rod stopping moves down；

The right compression bar of the left compression bar 1203 of manual depression, the blind shell hold-down mechanism in right side, left compression bar 1203 move down, left compressed spring 1216 compressions, left compression rod 1215 move down, and left reset spring 1209 compresses, and left connecting rod 1206 moves down, and left lever 1207 moves down, Left claw drive pin 1213 is moved down and is slided in left claw sliding slot 1212, and the right end of left claw 1211 compresses the side of blind shell 200 The planar annular being arranged at edge, due to the blind shell hold-down mechanism 12 in left side and left and right of the blind shell hold-down mechanism in right side about support plate 1 Symmetrical plane is symmetrical, and the left end of right claw compresses the planar annular of the edge setting of blind shell 200, left compression bar 1203, right compression bar Upper end compresses matching for blind shell 200 in same level height, to left claw 1211, right claw；Screw left wing bolt 1201, the right wing bolt of the blind shell hold-down mechanism in right side is screwed, left compression bar 1203, right compression bar are separately fixed at left compression bar fixing seat 1202, in right compression bar fixing seat；The piston rod of control positioning cylinder 5 rises to top, pushes positioning plate 103 far from support bridge tube 100, left compression bar 1203 moves up, and left compressed spring 1216 moves up, and left reset spring 1209 moves up left compression rod 1215, left compression There are distance, left lever 1207 is moved up for 1216 lower end of spring and left 1215 upper end of compression rod, left claw 1211 side to overturn to the left, together The right claw of sample side to overturn to the right；The double piston-rod for controlling left welding gun cylinder 306 retracts, the backhand welding rifle cylinder of right side welding mechanism Double piston-rod retracts, and the piston rod of 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；Remove support bridge tube 100, blind shell 200 completes debugging.Only in the axle housing of the axle housing of same specification, bridge tube welding, and the self-centering is used for the first time It is debugged when the half-bridge welder of clamping, otherwise directly carries out working stage welding support bridge tube 100 and blind shell 200；

Working stage:

The positioning convex platform 2001 of blind shell 200 is inserted into the positioning chamber 141 of blind shell positioning plate 14, realizes the positioning of blind shell 200, The lower end for supporting bridge tube 100 is inserted into the bridge tube connecting hole 2002 being arranged on the upside of blind 200 front of shell, support bridge tube 100 Lower end is bonded bridge tube support column 142, to the positioning to support bridge tube 100；The piston rod for controlling positioning cylinder 5 retracts, lifting Plate 7 moves down, and attachment beam 8 moves down, and fixing sleeve 9 is moved down with action-oriented connector sleeve 101, pushes positioning plate 103 and moves down；Left compression bar simultaneously 1203 move down, the right compression bar of the blind shell hold-down mechanism in right side moves down, and left compressed spring 1216 is compressed, and left compression rod 1215 moves down, Left reset spring 1209 compresses, and left connecting rod 1206 moves down, and left lever 1207 moves down, and left claw drive pin 1213 moves down and on a left side Sliding in claw sliding slot 1212, the right end of left claw 1211 compress the planar annular of the edge setting of blind shell 200, the blind shell in left side Hold-down mechanism 12 and the blind shell hold-down mechanism in right side are symmetrical about the bilateral symmetry plane of support plate 1, and the left end of right claw compresses blind The planar annular of the edge setting of shell 200；The piston rod of positioning cylinder 5 continues to retract, and left compressed spring 1216 continues to compress, The pressing force that left claw 1211, right claw compress blind shell 200 increases, and it is convex to push the pushing support of positioning plate 103 100 upper end of bridge tube The uper side surface of annulus slides up and down bar 108 upward sliding, lower pressing spring 109 in guiding connector sleeve 101 and is compressed, is oriented to 102 both ends of pin are stretched along 1011 upward sliding of sliding groove, ring spring 104, the locating detent 105 of three bridge tube clamp systems Lower end is deflected to the inside of support bridge tube 100, and the lower end of locating detent 105 positions and clamps the outer of the convex annulus in 100 upper end of bridge tube Side surface, the lower surface for pushing positioning plate 103 push the uper side surface of the support convex annulus in 100 upper end of bridge tube, realize support bridge The accurate positionin of pipe 100；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 300；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 100 and blind shell 200 are supported, while controlling the rotation of electrical turntable 2, realizes the circumference bilateral of support bridge tube 100 and blind shell 200 Welding；After electrical turntable 2 circumferentially rotates 180 degree, wire-feed motor stops wire feed, completes support bridge tube 100 and blind shell 200 Welding；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； Electrical turntable 2 circumferentially rotates backward 180 degree；The piston rod of left tumble cylinder 303 stretches out outward, keeps left welding gun solid Hinge joint of the reservation 305 around left welding gun support 304 and L shape another side end is overturn to the left, the right overturning of right side welding mechanism The piston rod of cylinder stretches out outward, make backhand welding rifle fixing seat around backhand welding gun carriage Yu L shape another side end hinge joint to Right overturning；The piston rod for controlling positioning cylinder 5 stretches out, and pushes positioning plate 103 far from support bridge tube 100, lower pressing spring 109 is multiple Position, makes to slide up and down bar 108 and moves down, and 102 both ends of guide pin are retracted along 1011 slide downward of sliding groove, ring spring 104, 105 lower end of locating detent of three bridge tube clamp systems is deflected to the outside of support bridge tube 100, and left compression bar 1203 moves up, left compression Spring 1216 moves up, and left reset spring 1209 moves up left compression rod 1215, left 1216 lower end of compressed spring and left compression rod There are distance, left levers 1207 to move up for 1215 upper ends, left claw 1211 side to overturn to the left, same right claw side to overturn to the right； The weldment for removing support bridge tube 100 and blind shell 200 is completed the welding of support a bridge tube 100 and blind shell 200, is repeated above-mentioned Step completes the welding of another bridge tube and axle housing.

Claims

1. the support bridge tube and blind shell welder of a kind of control of computer, including it is support plate (1), electrical turntable (2), left and right Side welding mechanism, left and right support column, support bridge tube centering machine (10), the blind shell hold-down mechanism of left and right side, computer control system System, it is characterised in that: the symmetrical structure of the support plate (1), left and right side welding mechanism, left and right support column, a left side, The blind shell hold-down mechanism in right side is symmetrical about the bilateral symmetry face of support plate (1), and the support plate (1) is fixed left support column (4) Lower end, fixed connecting plate (6) is fixedly connected with left support column (4), right support column, and lifter plate (7) is upper with left and right support column Portion is slidably connected；

The piston rod upper end of described fixed connecting plate (6) the stationary positioned cylinder (5), positioning cylinder (5) is fixed lifter plate (7), Attachment beam (8) is fixedly connected with lifter plate (7)；

The support bridge tube centering machine (10) includes guiding connector sleeve (101), pushes positioning plate (103), bridge tube clamping machine Structure, the guiding connector sleeve (101) are fixed on attachment beam (8), and guiding connector sleeve (101) is slided with bar (108) are slided up and down Dynamic connection, slides up and down bar (108) upper end and is fixed with guide pin (102), is provided in guiding connector sleeve (101) along upper and lower To sliding groove (1011), guide pin (102) slides along up and down direction in the sliding groove (1011), slides up and down bar (108) Lower end is fixed to push positioning plate (103), the lower end of the guiding connector sleeve (101) be provided with circumferencial direction uniformly distributed three it is fixed Position pawl sliding slot (1012), locating detent sliding slot (1012) is tilted to the outside of guiding connector sleeve (101) from bottom to up, under described It presses positioning plate (103) cylindrical, pushes positioning plate (103) and be circumferentially uniformly arranged there are three bridge tube clamp system, The bridge tube clamp system includes locating detent (105), axis pin base (107), and the axis pin base (107) is fixed on pushing positioning On the upside of plate (103), the upper end on the top of the hinged locating detent (105) of axis pin base (107), locating detent (105) is sliding in a locating detent It is slided in slot (1012), the locating detent (105) in three bridge tube clamp systems connects ring spring (104), guiding connection jointly Lower pressing spring is provided between bar (108) and the fixation position of attachment beam (8) in set (101) inner hole and positioned at sliding up and down (109)；

The blind shell hold-down mechanism (12) in the left side includes the compacting machine of left compression bar (1203), left loop bar (1204), blind shell (200) Structure, the fixed left compression bar (1203) of the left part of the lifter plate (7), left compression bar (1203) lower part and left loop bar (1204) Inner hole is slidably matched, and the fixed left compressed spring (1216) in left compression bar (1203) lower end, left compressed spring (1216) is located at In left loop bar (1204) inner hole, left compression rod (1215) upper end is slidably connected with left loop bar (1204) lower end, left compressed spring (1216) there are distance between left compression rod (1215), the left compression rod (1215) connects the compacting machine of blind shell (200) Structure, for compressing blind shell (200)；

It is fixed with electrical turntable (2) in the support plate (1), the left and right side of the rotating part of electrical turntable is fixed left respectively, Right side welding mechanism is fixed with blind shell positioning plate (14), uses to support the welding of bridge tube (100) and blind shell in support plate (1) With the positioning of blind shell (200) and the lower end of bridge tube (100) is supported to position, the electricity of the cylinder of the left and right side welding mechanism Magnetic control valve, the solenoid electric valve of positioning cylinder (5), electrical turntable (2) pivoting controller by route and computer control System connection.

2. the support bridge tube and blind shell welder of computer control according to claim 1, it is characterised in that: described Left compression rod (1215) connects the structure of the hold-down mechanism of blind shell (200) are as follows: the fixed left limit pin in left compression rod (1215) upper end (1208), left loop bar (1204) lower part is provided with the left limit slot (1214) opened up along up and down direction, left limit pin (1208) The sliding in left limit slot (1214), the lower end of left loop bar (1204) coaxially fix left reset spring and block (1205), are located at a left side Spacer pin (1208) and left reset spring block to be provided with left reset spring (1209) between (1205), and left reset spring (1209) it is set on left compression rod (1215), is arranged between left compression rod (1215) upper end and left compressed spring (1216) lower end There is distance, the inner hole that left compression rod (1215) lower end blocks (1205) with left reset spring is slidably matched, left compression rod (1215) Lower end connects the hold-down mechanism of blind shell (200), and the elastic stiffness of the left reset spring (1209) is less than left compressed spring (1216)。

3. the support bridge tube and blind shell welder of computer control according to claim 2, it is characterised in that: described The hold-down mechanism of blind shell (200) includes left connecting rod (1206), left lever (1207), left claw (1211), left claw drive pin (1213), the left compression rod (1215) fixes left connection after being passed down through the inner hole of left reset spring closure (1205) lower end The front end of bar (1206), the lower end of the rear end fixed left lever (1207) of left connecting rod (1206), left lever (1207) and support The circular hole opened up on plate (1) is slidably matched, and left lever (1207) is upward through support plate (1) and fixes left claw drive pin afterwards (1213), left hinged seat four (1210) is fixed in support plate, left claw (1211) is L-shaped, left hinged seat four (1210) and left pressure The end on L shape one side of pawl (1211) is hinged, and L-shaped corner to the another side end of left claw (1211) is provided with front and back and passes through The middle part of the left claw sliding slot (1212) worn, left claw drive pin (1213) can match in sliding in left claw sliding slot (1212) It closes；The left lever (1207) is located on the left of the outer rim of blind shell (200), and the left hinged seat four (1210) is located at left lever (1207) left side, the L-shaped another side end of left claw (1211) are provided with the left cylinder along left and right directions.

4. the support bridge tube and blind shell welder of computer control according to claim 3, it is characterised in that: described Blind shell positioning plate (14) is fixed in support plate (1), the lower end of positioning and support bridge tube (100) to blind shell (200) is fixed The structure of position are as follows: the fixed blind shell positioning plate (14) in the upper center position of the support plate (1), before blind shell positioning plate (14) Portion is provided with the positioning chamber (141) of interior hollow toroid, the positioning for the lower convex ring shape that positioning chamber (141) and blind shell (200) front are arranged Boss (2001) clearance fit is used for the positioning of blind shell (200), the upper center position setting of the blind shell positioning plate (14) There is the bridge tube support column (142) stretched out upwards, the outer diameter of bridge tube support column (142) is less than blind shell (200) and bridge tube welding position Diameter, axle housing is placed on blind shell positioning plate (14) and is positioned for facilitating, bridge tube support column (142) is used to support support The lower end of bridge tube (100), to the positioning of support bridge tube (100) lower end, support bridge tube (100) lower end and blind shell (200) front upside Bridge tube connecting hole (2002) clearance fit of setting, welding gun (103) welding support bridge tube (100) and blind shell (200) lap Upper end, the electrical turntable (2), bridge tube support column (142), support bridge tube (100), push positioning plate (103) coaxially set It sets.

5. the support bridge tube and blind shell welder of computer control according to claim 4, it is characterised in that: described The outside protrusion of positioning plate (103) is pressed downward in the middle part of locating detent (105) to lower end, positioning plate (103) edge is pushed and is provided with Circumferentially three uniformly distributed locating detent notches (1031), for avoiding locating detent (105), the lower end of locating detent (105) It is passed down through locating detent notch (1031), the lower surface that the lower end distance of locating detent (105) pushes positioning plate (103) is 20- 25mm。

6. the support bridge tube and blind shell welder that are controlled according to computer described in claim (5), it is characterised in that: described Lifter plate (7) the fixed left compression bar (1203) of left part structure are as follows: fixed left compression bar on rear side of the left part of the lifter plate (7) Fixing seat (1202), left compression bar fixing seat (1202) and left compression bar (1203) upper gap cooperate, left compression bar fixing seat (1202) Bolt hole in screw left wing bolt (1201), to adjust behind left compression bar (1203) upper and lower position and by left compression bar (1203) It is fixed on left compression bar fixing seat (1202).

7. the support bridge tube and blind shell welder of computer control according to claim 6, it is characterised in that: described 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 welding gun fixing seat (305), left welding gun cylinder (306), left welding gun chuck (307), left hinged seat two (308), left hinge Joint chair three (309), the fixed left welding base (301) in rotating part left side of the electrical turntable (2), left welding base (301) The fixed left hinged platform one (302) in upside left end middle position, the fixing end of left hinged platform one (302) and left tumble cylinder (303) Hingedly, the left welding gun support (304) is L-shaped, fixed left welding gun support (304) the L shape one in the middle part of left welding base (301) The end on side, the left welding gun cylinder (306) is fixed on left welding gun fixing seat (305), under left welding gun fixing seat (305) The fixed left hinged seat three (309) of side right part, left hinged seat three (309) and the piston rod of left tumble cylinder (303) are hinged, left welding gun The fixed left hinged seat two (308) of the downside left part of fixing seat (305), the end and a left side of the L shape another side of left welding gun support (304) Hingedly, left welding gun cylinder (306) is double piston-rod cylinder, the double piston-rod end of left welding gun cylinder (306) to hinged seat two (308) 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 weldering Rifle fixing seat (305), left hinged seat two (308), left hinged seat three (309) form cranking block mechanism, for realizing left welding gun cylinder (306) swing supports bridge tube (100) to avoid.

8. the support bridge tube and blind shell welder of computer control according to claim 1-7, feature exist In: described locating detent (105) upper end is provided with cylinder one, the sliding in locating detent sliding slot (1012) for locating detent (105) For line contact；Described locating detent (105) lower end is provided with cylinder two, deflects for locating detent (105) along pin shaft (106) When, the lateral surface of the two convex annulus in clamping brace bridge tube (100) upper end of cylinder is line contact.

9. the support bridge tube and blind shell welder of computer control according to claim 1-7, feature exist In: the attachment beam (8) is L-shaped, is fixedly connected in the middle part of L-shaped one side and the rear side of lifter plate (7), attachment beam (8) L shape another side is stretched out to rear side, and fixed fixing sleeve (9) in rear end, and the L shape that beam (8) is fixedly connected on the downside of fixing sleeve (9) is another One side end.

10. the application method of the support bridge tube and blind shell welder of computer control according to claim 7, feature It is:

It when welding for the first time, is debugged, is otherwise directly entered working stage:

The debugging stage:

Step 1: the piston rod of control positioning cylinder (5) stretches out state, the positioning convex platform (2001) of blind shell (200) is inserted into In the positioning chamber (141) of blind shell positioning plate (14), the positioning of blind shell (200) is realized, the lower end of bridge tube (100) will be supported to be inserted into In the bridge tube connecting hole (2002) being arranged on the upside of blind shell (200) front, the lower end of support bridge tube (100) is bonded bridge tube support column (142), to be positioned to the up and down direction of support bridge tube (100)；

Step 2: unscrewing left wing bolt (1201), the right wing bolt of the blind shell hold-down mechanism in right side is unscrewed;Control positioning gas The piston rod of cylinder (5) moves down, and lifter plate (7) moves down, and attachment beam (8) moves down, and support bridge tube centering machine (10) moves down, and guiding connects When female connector (101) drives pushing positioning plate (103) to be displaced downwardly to convex annulus (2)-(3) mm of distance support bridge tube (100) upper end, The piston rod stopping of computer control system control positioning cylinder (5) moves down；

Step 4: the right compression bar of the left compression bar of manual depression (1203), the blind shell hold-down mechanism in right side, left compression bar (1203) is moved down, Left compressed spring (1216) compression, left compression rod (1215) move down, left reset spring (1209) compression, under left connecting rod (1206) It moves, left lever (1207) moves down, and left claw drive pin (1213) moves down and the sliding in left claw sliding slot (1212), left claw (1211) right end compresses the planar annular of the edge setting of blind shell (200), due to the blind shell hold-down mechanism (12) in left side and the right side The blind shell hold-down mechanism in side is symmetrical about the bilateral symmetry plane of support plate (1), and the left end of right claw compresses the edge of blind shell (200) Locate the planar annular of setting, left compression bar (1203), right compression bar upper end are in same level height, to left claw (1211), right pressure Pawl compresses matching for blind shell (200)；

Step 5: screwing left wing bolt (1201), the right wing bolt of the blind shell hold-down mechanism in right side, left compression bar are screwed (1203), right compression bar is separately fixed at left compression bar fixing seat (1202), in right compression bar fixing seat；

Step 7: the piston rod of control positioning cylinder (5) rises to top, positioning plate (103) are pushed far from support bridge tube (100), left compression bar (1203) moves up, and left compressed spring (1216) moves up, and left reset spring (1209) makes left compression rod (1215) It moves up, left compressed spring (1216) lower end and left compression rod (1215) upper end are there are distance, and left lever (1207) moves up, left claw (1211) side to overturn to the left, same right claw side to overturn to the right；

Step 8: 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 9: removing support bridge tube (100), blind shell (200), debugging is completed；Only in axle housing, the bridge tube of the axle housing of same specification When welding, and for the first time using the half-bridge welder of the self-centering clamping when debugged, otherwise directly carry out working stage；

Working stage:

Step 1: the positioning convex platform (2001) of blind shell (200) is inserted into the positioning chamber (141) of blind shell positioning plate (14), it is real The lower end for supporting bridge tube (100) is inserted into the bridge tube being arranged on the upside of blind shell (200) front and connected by the positioning of existing blind shell (200) In hole (2002), the lower end of support bridge tube (100) is bonded bridge tube support column (142), to the positioning to support bridge tube (100)；

Step 2: the piston rod of control positioning cylinder (5) retracts, lifter plate (7) is moved down, and attachment beam (8) moves down, and is oriented to connector sleeve (101) it moves down, pushes positioning plate (103) and move down；While left compression bar (1203) moves down, the right compression bar of the blind shell hold-down mechanism in right side It moves down, left compressed spring (1216) compression, left compression rod (1215) moves down, left reset spring (1209) compression, left connecting rod (1206) it moving down, left lever (1207) moves down, and left claw drive pin (1213) moves down and the sliding in left claw sliding slot (1212), The right end of left claw (1211) compresses the planar annular of the edge setting of blind shell (200), the blind shell hold-down mechanism (12) in left side with The blind shell hold-down mechanism in right side is symmetrical about the bilateral symmetry plane of support plate (1), and the left end of right claw compresses the side of blind shell (200) The planar annular being arranged at edge；

Step 3: the piston rod of control positioning cylinder (5) continues to retract, left compressed spring (1216) continues to compress, left claw (1211), the pressing force that right claw compresses blind shell (200) increases, and pushes positioning plate (103) and pushes on support bridge tube (100) upper end The uper side surface of dome ring slides up and down bar (108) in guiding connector sleeve (101) interior upward sliding, and lower pressing spring (109) is pressed Contracting, guide pin (102) both ends are stretched along sliding groove (1011) upward sliding, ring spring (104), three bridge tube clamping machines Locating detent (105) lower end of structure is deflected to the inside of support bridge tube (100), and the lower end of locating detent (105) positions and clamps bridge tube (100) outer surface of the convex annulus in upper end, the lower surface for pushing positioning plate (103), which pushes, supports bridge tube (100) upper end convex The uper side surface of annulus realizes the accurate positionin of support bridge tube (100)；

Step 4: the piston rod for controlling left tumble cylinder (303) retracts, make 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 (300) 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 support Bridge tube (100) and blind shell (200), while electrical turntable (2) rotation is controlled, realize the circle of support bridge tube (100) and blind shell (200) All bilateral welding；

Step 7: wire-feed motor stops wire feed after electrical turntable (2) circumferentially rotates 180 degree, support bridge tube is completed (100) and the welding of blind shell (200)；

Step 8: 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；

Step 9: electrical turntable (2) circumferentially rotates backward 180 degree；

Step 10: the piston rod for controlling left tumble cylinder (303) stretches out outward, make left welding gun fixing seat (305) around left weldering Gun carriage (304) and the hinge joint of L shape another side end are overturn to the left, the piston rod of the right tumble cylinder of right side welding mechanism to Outside 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 11: the piston rod of control positioning cylinder (5) stretches out, positioning plate (103) separate support bridge tube (100) is pushed, under Pressing spring (109) resets, and makes to slide up and down bar (108) and moves down, and guide pin (102) both ends are along sliding groove (1011) to downslide Dynamic, ring spring (104) is retracted, and locating detent (105) lower ends of three bridge tube clamp systems is to the outside of support bridge tube (100) Deflection, left compression bar (1203) move up, and left compressed spring (1216) moves up, and left reset spring (1209) makes on left compression rod (1215) It moves, left compressed spring (1216) lower end and left compression rod (1215) upper end are there are distance, and left lever (1207) moves up, left claw (1211) side to overturn to the left, same right claw side to overturn to the right；

Step 12: removing the weldment of support bridge tube (100) and blind shell (200), a support bridge tube (100) and blind shell are completed (200) welding repeats the above steps and completes the welding of another bridge tube and axle housing.