CN208083637U - The overturning position limiting structure of trailing wheel bulge inner panel stud welding fixture - Google Patents

Abstract

The utility model discloses kind of an overturning position limiting structures for trailing wheel bulge inner panel stud welding fixture, include set on the main overturning structure on left side frame top, set on left frame top from overturning structure and position limiting structure, the main overturning structure includes right connector connect with the right end of the mounting bracket, the first axle bed at the top of the left side frame, is arranged on first axle bed and main rotary shaft that left end is connect with the right connector, connect in the left side frame and with the main rotary shaft right end driving structure to drive the main rotary shaft to rotate.The driving structure is fixed on the lateral surface of the left side frame, the driving structure include the first cylinder being fixed on by a first fixed structure on the lateral surface of the left side frame, with the upward of the output axis connection of first cylinder and the ratch, the second fixed structure for being fixed on the ratch on the lateral surface of the left side frame and the gear ratcheting on the main rotary shaft and with the ratch that turn forward.

Description

The overturning position limiting structure of trailing wheel bulge inner panel stud welding fixture

Technical field

The utility model is related to a kind of overturning position limiting structures of trailing wheel bulge inner panel stud welding fixture.

Background technology

In the trailing wheel bulge welding procedure of automobile, needs that automobile back wheel bulge inner panel is first carried out arc stud welding, then third incite somebody to action Automobile back wheel bulge inner panel after arc stud welding is transported on trailing wheel bulge inner plate welding fixture to grip trailing wheel bulge inner panel, Make spot welding robot start to weld the trailing wheel bulge inner panel, weld and carry out gluing after the completion, after the completion of gluing, after automobile Wheel bulge inner panel and automobile back wheel bulge outside plate are grabbed to rear drum and are sandwiched, after handgrip band soldering turret robot starts welding of automotive Bulge is taken turns, automobile back wheel bulge welding procedure is completed with this.In existing trailing wheel bulge inner panel arc stud welding process, traditional trailing wheel Bulge inner panel stud welding fixture can only make trailing wheel bulge inner panel be in a kind of location status, in this case, trailing wheel bulge inner panel Medial surface and lateral surface when being required to welding, a stud welding fixture is only redesigned, so that trailing wheel bulge inner panel Both sides can be demonstrated and weld, and this mode wastes material very much, and cost of idleness is unfavorable for saving space, increases stud Weld interval reduces efficiency.In addition, in the prior art, in clamp structure, needing many clamp structures of design for distinguishing It grips trailing wheel bulge and needs the position of the stud welded, so so that the scale of construction of stud welding fixture is very big, occupies Space is larger, and the parts of waste are more, complicated.

Utility model content

In view of the above shortcomings of the prior art, technical problem to be solved in the utility model is：A kind of structure letter is provided List can be such that the position of the stud to be welded of trailing wheel bulge inner panel can be effectively demonstrated, and in order to stud welding, improve spiral shell The overturning position limiting structure of the trailing wheel bulge inner panel stud welding fixture of column welding efficiency.

In order to solve the above technical problems, the technical solution that the utility model uses is：It provides in a kind of trailing wheel bulge The overturning position limiting structure of plate stud welding fixture for driving the mounting bracket of trailing wheel bulge inner panel stud welding fixture to overturn, including is set In the main overturning structure on the left side frame top of trailing wheel bulge inner panel stud welding fixture, set on trailing wheel bulge inner panel stud welding fixture Left frame top from overturning structure and position limiting structure, the main overturning structure includes being connect with the right end of the mounting bracket Right connector, the first axle bed at the top of the left side frame are arranged on first axle bed and left end and the right connection The main rotary shaft of part connection is connect in the left side frame and with the main rotary shaft right end to drive the main rotary shaft to turn Dynamic driving structure.

Further, the driving structure is fixed on the lateral surface of the left side frame, and the driving structure includes passing through one First fixed structure is fixed on the output axis connection of the first cylinder and first cylinder on the lateral surface of the left side frame Upwards and turn forward ratch, the second fixed structure for being fixed on the ratch on the lateral surface of the left side frame with And the ratcheting gear on the main rotary shaft and with the ratch.

Further, one the 6th mounting blocks, institute are provided at the position of top crossbearer in the lateral surface of the left side frame Driving structure is stated to be fixed on the 6th mounting blocks.

Further, the first fixed structure is set on the 6th mounting blocks at the position of rear side, and described the One fixed structure include be attached on the 6th mounting blocks and sweptback first fixed block, by first fixed block Outwardly extending first link block in lower end, the second link block being connect with the bottom surface of first link block, upper end and described the Second fixed block of the bottom surface connection of one link block, set on first cylinder output end and with for first cylinder The third link block for the perforation that output shaft passes through and vertical close to described one end of second fixed block with the third link block The third fixed block of connection.After first cylinder is fixed on by the first fixed structure on the 6th mounting blocks, institute It states the upper end of the first cylinder upwards and turns forward, lower end is downward and tilts backwards, so that the output of first cylinder The ratch of axis connection is in upwards and to turn forward ramp-like.

Further, second fixed structure includes that the 4th be attached on the outer surface of the 6th mounting blocks fixes Block, the lower end of the 4th fixed block downwards and tilt backwards so that the trailing flank of the 4th fixed block in downwards and Inclined surface backward, second fixed structure further include one first connected vertically with the outer surface of the 4th fixed block Bracer, the rear end of first supporting block and the rear end of the 4th fixed block are generally aligned in the same plane, and second fixed block is also Include trailing flank the second supporting block connected vertically with the 4th fixed block, the lower end of second supporting block downwards and to Rear-inclined, upper end is upward and turns forward, and second supporting block is located at the front upper place of the first fixed block structure, corresponds to institute It states at the position of gear.

Further, the main overturning structure further includes the upper end for the ratch being set on second fixed structure It is contained in accepting box therein, is offered towards the one side of the gear along the length direction of the ratch on the accepting box One matches for the exposed elongated chamber of the ratch, the length of the elongated chamber and the outer diameter of the gear, and the gear passes through The elongated chamber and exposed ratch are ratcheting；The top of the elongated chamber has the circular perforations to match with the ratch, The top of the elongated chamber is provided with a locating part being pierced by upwards for limiting the top of the ratch, the locating part packet It includes set on the fixed link of the upper end of one side of the elongated chamber far from the gear and from the upper end of the fixed link to described The gag lever post that the axis direction of host cavity is extend horizontally away, the gag lever post are higher than the top end face of the host cavity.

Further, it is described from overturning structure include left connector connect with the left end of the mounting bracket, be set to described in It the second axle bed at the top of left frame and is arranged on second axle bed and right end is connect with the left connector from rotation Axis.

Further, the position limiting structure includes positioned at described on being set at the top of the left frame from overturning structure back side First at main position limiting structure, the position set on the mounting bracket corresponding to the main position limiting structure is limited structure and is set to The second of the front side of the left end of the mounting bracket is limited structure.

Further, the main position limiting structure is the second cylinder, and the output shaft of second cylinder is towards the left side frame Direction, described first be limited structure include set on the mounting bracket left end rear side and can be defeated with second cylinder Shaft alignment the first position-limiting drum, described first be limited structure include set on the mounting bracket left end rear side and with the master The second position-limiting drum that can be aligned with the output shaft of second cylinder after overturning structure overturning.

The overturning position limiting structure of the trailing wheel bulge inner panel stud welding fixture of the utility model so that be installed on the mounting bracket On trailing wheel bulge inner panel have multiple location status, multiple location status mainly according to trailing wheel bulge inner panel stud welding Depending on position, staff is facilitated to carry out arc stud welding to trailing wheel bulge inner panel corresponding position according to different location state.It is described Overturning position limiting structure can be effectively so that the multiple angles for the trailing wheel bulge inner panel being installed on the mounting bracket be showed in work In face of personnel, it could be welded in addition without needing to be installed on other fixture after removing trailing wheel bulge as existing The stud of angle, improves welding efficiency, greatly facilitates staff's welding.

Description of the drawings

Fig. 1 is the structural schematic diagram of one embodiment of the utility model trailing wheel bulge inner panel stud welding fixture.

Fig. 2 is the structural schematic diagram at another visual angle of the utility model trailing wheel bulge inner panel stud welding fixture.

Fig. 3 is the structural schematic diagram of left-half in Fig. 1.

Fig. 4 is the structural schematic diagram of first clamp structure and the second clamp structure at left back side direction visual angle in Fig. 1.

Fig. 5 is the 4th of the utility model trailing wheel bulge inner panel stud welding fixture knot for holding up part and the 5th picking-up part Structure schematic diagram.

Fig. 6 is the structural schematic diagram of the 4th clamp structure and the 5th clamp structure.

Specific implementation mode

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work The every other embodiment obtained, shall fall within the protection scope of the present invention.

Fig. 1 to Fig. 6 is referred to, the utility model is by taking the left rear wheel bulge inner panel of automobile as an example to the trailing wheel bulge inner panel Stud welding fixture is illustrated.The trailing wheel bulge inner panel stud welding fixture of the present embodiment include a left frame 10, a left side frame 12, Mounting bracket 2 between the left frame 10 and left side frame 12, be set in the left frame 10 and left side frame 12 and with it is described The both ends connection (left and right ends in Fig. 1) of mounting bracket 2 is can drive the mounting bracket 2 around center line (with mounting bracket 2 Length direction it is parallel and cross the line at center, the front and back overturning in Fig. 1) overturning and can be carried out after the overturning of the mounting bracket 2 The overturning position limiting structure of limit and one be set to the mounting bracket 2 on the clamping device of the trailing wheel bulge inner panel 800 is clamped.

The left frame 10 and left side frame 12 can be arranged symmetrically, and the left frame 10 and left side frame 12 include a top Crossbearer 101,121, by the top crossbearer 101,121 the downwardly and forwardly sloping front stand 102 in front end, 122, it is horizontal by the top Stand 103,123 and transverse direction are set to the front stand 102,122 and rear stand after frame 101,121 is downward and sweptback 103, at least one first abdomen frame 104,124 between 123.In the bottom of the front stand 102,122 and rear stand 103,123 point It is not provided with a tripod 105,125 for being fixed on corresponding side frame on the platform such as ground, in the tripod 105,125 On be provided with fixing bolt, corresponding side frame is detachably secured to by fixing bolt on the platform.In the left frame 10 And a link 13 is additionally provided between left side frame 12, the both ends of the link 13 and the left frame 10 and left side frame 12 Bottom is connected to reinforce the left frame 10 and left side frame 12.It is intelligible, in other examples, the left frame 10 and Left side frame 12 is not limited to above structure, for example, the left frame 10 and left side frame 12 can be in a vertical bulk, or is in square Shape frame-like etc., as long as left frame 10 and left side frame 12 have top.

The mounting bracket 2 be in mesh shape, the mounting bracket 2 include a rectangle frame, the rectangle frame by first crossbar 201, with Its parallel second crossbar 202, be vertically connected at the first crossbar 201 and second crossbar 202 first end the first vertical pole 203, the second vertical pole 204 for being vertically connected at the second end of the first crossbar 201 and second crossbar 202 encloses, described Mounting bracket 2 further includes several second abdomen framves 22 being set in the rectangle frame.In the present embodiment, the second abdomen frame 22 is three The both ends of root, three second abdomen framves 22 are connected in the first crossbar 201 and second crossbar 202, and three second abdomen framves 22 It is parallel with first vertical pole, 203 and second vertical pole 204, and three second abdomen framves 22 are along 201 length side of the first crossbar It is arranged to interval, the hollow space of the rectangle frame is isolated for three second abdomen framves 22, the first vertical pole 203 and the second vertical pole 204 At four independent subspaces.Intelligible, in other embodiments, the mounting bracket 2 not necessarily presses said structure design, Design is in above structure, mainly allows each sub-spaces to provide the transference space of subsequent corresponding component, different In embodiment, the mounting bracket 2 also can be in other structures, such as rectangular plate-like structure, circular plate structure, variously-shaped structure Etc..

About overturning position limiting structure：

Including being located therein a side frame top, (the present embodiment is left side frame 12 to the overturning position limiting structure, following with the right side Be illustrated for side frame 12) main overturning structure 31 and set on another side frame top (the present embodiment be left frame 10, below It is illustrated by taking left frame 10 as an example) from overturning structure 32 and position limiting structure 33.

About main overturning structure 31：

The main overturning structure 31 includes the right connector 311 being connect with the right end of the mounting bracket 2, is set to the right side First axle bed 312 at the top of frame 12 (i.e. the top crossbearer 121 of left side frame 12), be arranged on first axle bed 312 and left end and The main rotary shaft 313 of the connection of right connector 311 is set in the left side frame 12 and connects with 313 right end of the main rotary shaft Connect the driving structure 314 to drive the main rotary shaft 313 to rotate.

The right connector 311 includes the first connecting plate 311a being detachably secured on second vertical pole 204, stands Set on the first front vertical plate of the front and rear edges of the first connecting plate 311a and the first back vertical plate 311b and it is erected on described First right risers 311c of the right hand edge of one connecting plate 311a.First front vertical plate and the first back vertical plate 311b can be right angle Triangular reinforcing plate or trapezoidal plate etc..The left end of the first right risers 311c and the main rotary shaft 313 removably connect It connects (such as be spirally connected, rivet, be clamped).

The left end of the main rotary shaft 313 extends outward the first edge of an annular, is opened on first edge Equipped with several the first screw holes being threadedly coupled with the first right risers 311c, institute is corresponded on the first right risers 311c It states and offers corresponding second screw hole at the position of the first screw hole, several first bolts are arranged in corresponding first screw hole and second So that the main rotary shaft 313 is threadedly coupled with the first right risers 311c in screw hole.

The driving structure 314 is fixed on the lateral surface (one side i.e. far from the left frame 10) of the left side frame 12, In the lateral surface of the left side frame 12 one the 6th mounting blocks 126, the driving structure are provided at the position of top crossbearer 121 314 are fixed on the 6th mounting blocks 126.The driving structure 314 includes being fixed on by a first fixed structure 315 The first cylinder 316 on 6th mounting blocks 126, with the upward of the output axis connection of first cylinder 316 and turn forward Oblique ratch 317 (is fixed on the 6th peace for being fixed on the ratch 317 on the lateral surface of the left side frame Fill on block 126) the second fixed structure 318 and the gear ratcheting on the main rotary shaft 313 and with the ratch 317 319。

The first fixed structure 315 is set on the 6th mounting blocks 126 at the position of rear side, and described first is solid It includes being attached on the 6th mounting blocks 126 and sweptback first fixed block 315a, being consolidated by described first to determine structure 315 The second company for determining the outwardly extending first link block 315b in lower end of block 315a, being connect with the bottom surface of the first link block 315b It meets block 315c, the second fixed block 315d that upper end is connect with the bottom surface of the first link block 315b, be set to first cylinder 316 output end and the third link block 315e of perforation that passes through with the output shaft for first cylinder 316 and with institute State one end connected vertically third fixed block 315fs of the third link block 315e close to the second fixed block 315d.Described first After cylinder 316 is fixed on by the first fixed structure 315 on the 6th mounting blocks 126, first cylinder 316 it is upper End is upward and turns forward, and lower end is downward and tilts backwards, so that the output shaft (piston rod) of first cylinder 316 is even The ratch 317 connect is in upwards and to turn forward ramp-like.In the present embodiment, the first link block 315b and first fixed block 315a vertical connections, the second fixed block 315d and the second link block 315c vertical connections, the third fixed block 315f and the third link block 315e vertical connections.It is in L after the first fixed block 315a and the first link block 315b connections T-shaped piece after shape block, the second fixed block 315d and the second link block 315c connections, third fixed block 315f and third link block L-shaped piece after 315e connections, the lower end of the first fixed block 315a is downward and tilts backwards so that the first link block 315b And second link block 315c rear end in upwards and retreat it is ramp-like so that with the second link block 315c vertical connections The second fixed block 315d in downwards and retreating ramp-like, and the one side of the second link block 315c is close with the described 6th The outer surface of mounting blocks 126.The rear surface of the third fixed block 315f is connect with the front surface of the second fixed block 315d, The third link block 315e is in upwards and to retreat ramp-like.Above structure is the output end that may make first cylinder 316 After (i.e. upper end) and the third link block 315e are fixed, the upper end of first cylinder 316 upwards and turns forward, lower end to Down and tilt backwards.Preferably, being connected with one between the first fixed block 315a and the first link block 315b First reinforcement block 315g is connected between the rear surface and the bottom surface of the first link block 315b of the second fixed block 315d Have one second reinforcement block 315h, the third link block 315e lateral surface and the third fixed block 315f lateral surface it Between be connected with a third reinforcement block 315i, the third link block 315e medial surface (close to the 6th mounting blocks 126 One side) between the medial surface of the third fixed block 315f it is connected with one the 4th reinforcement block.By the first reinforcement block 315g, Second reinforcement block 315h, third reinforcement block 315i and the 4th reinforcement block can play reinforcing to the first fixed structure 315 Effect.The third reinforcement block 315i and the 4th reinforcement block are respectively arranged at interior outside, to the third link block 315e and While three fixed block 315f are reinforced, the power not interfered between the ratch 317 and the output shaft of first cylinder 316 passes It passs.

Second fixed structure 318 includes the 4th fixed block being attached on the outer surface of the 6th mounting blocks 126 The lower end of 318a (rectangular block), the 4th fixed block 318a are downward and tilt backwards, so that the 4th fixed block The trailing flank of 318a is in downward and inclined surface backward.Second fixed structure 318 further includes and the 4th fixed block The outer surface one first supporting block 318b connected vertically of 318a, the rear end of the first supporting block 318b are fixed with the described 4th The rear end of block 318a is generally aligned in the same plane.The second fixed block 315d further includes the trailing flank with the 4th fixed block 318a The lower end of second supporting block 318c connected vertically, the second supporting block 318c downwards and tilts backwards, upper end upwards and to Top rake, the second supporting block 318c are located at the front upper place of the first fixed block 315a structures, corresponding to the gear 319 It is parallel with the third fixed block 315f at position.

In the present embodiment, it is described it is main overturning structure 31 further include be set to second fixed structure on (in the present embodiment, On the second supporting block 318c) supply the upper end of the ratch 317 to be contained in accepting box 310 therein, in the receiving Offering one along the length direction of the ratch 317 towards the one side of the gear 319 on box 310 supplies the ratch 317 exposed Elongated chamber, the length of the elongated chamber and the outer diameter of the gear 319 match, and the gear 319 passes through the elongated chamber It is ratcheting with exposed ratch 317.The top of the elongated chamber has the circular perforations to match with the ratch 317, in institute The top for stating elongated chamber is provided with one for limiting the locating part that the top of the ratch 317 is pierced by upwards, the locating part packet It includes set on the fixed link of the upper end of one side of the elongated chamber far from the gear 319 and from the upper end of the fixed link to institute The gag lever post that the axis direction of host cavity is extend horizontally away is stated, the gag lever post is higher than the top end face of the host cavity.

About from overturning structure 32：

It is described to include the left connector 321 being connect with the left end of the mounting bracket 2, be set to the left side from overturning structure 32 It second axle bed 322 at the top of frame 10 (i.e. the top crossbearer 101 of left frame 10) and is arranged on second axle bed 322 and right end The slave rotation axis 323 being connect with the left connector 321.

The structure or function of the left connector 321 and the structure or function of the right connector 311 are same or similar, institute State left connector 321 by with the right connector 311 it is symmetrical in a manner of be set on the top crossbearer 101 of the left frame 10.Institute Left connector 321 is stated to include the second connecting plate 321a being detachably secured on first vertical pole 203, be erected on described the The the second front vertical plate 321b and the second back vertical plate 321c of the front and rear edges of one connecting plate 311a and be erected on it is described second connection First left risers 321d of plate 321a left hand edges.The second front vertical plate 321b and the second back vertical plate 321c can be right angle trigonometry Shape reinforcing plate or trapezoidal plate etc..The first left risers 321d and the detachably connected (example of the right end from rotation axis 323 It is such as spirally connected, rivets, is clamped).

The right end from rotation axis 323 extends outward the second edge of an annular, is opened on second edge Equipped with several third screw holes being threadedly coupled with the first left risers 321d, institute is corresponded on the first left risers 321d It states and offers corresponding 4th screw hole at the position of third screw hole, several second bolts are arranged in corresponding third screw hole and the 4th So that described be threadedly coupled from rotation axis 323 with the first left risers 321d in screw hole.

About position limiting structure 33：

The position limiting structure 33 includes being set on 10 top of the left frame (to set from 32 rear side of overturning structure positioned at described In the rear end of the described first vertical frame) main position limiting structure, set on the mounting bracket 2 corresponding to the main position limiting structure position at The first of (rear side of left end) is limited structure and the front side of the left end set on the mounting bracket 2 second is limited structure.

In the present embodiment, the main position limiting structure is the second cylinder 331, and the horizontal position where the cylinder is higher than described Mounting bracket 2, the output shaft of second cylinder 331 is towards the direction of the left side frame 12.Described first, which is limited structure, includes Set on the left end of the mounting bracket rear side (rear end of the first vertical pole 203) can be with the output shaft of second cylinder 331 First position-limiting drum 332 of alignment, described second is limited front side (the first vertical pole that structure includes the left end set on the mounting bracket 203 front end) and with the second limit that can be aligned with the output shaft of second cylinder 331 after main overturning structure 31 overturning Position cylinder 333.When first position-limiting drum 332 is aligned with second cylinder 331 and needs limit, make second cylinder 331 direction for exporting axial first position-limiting drum 332 is moved to be arranged in first position-limiting drum 332, thus can Enough so that the rear side of the mounting bracket 2 is higher than front side and keeps this state, prevent the mounting bracket 2 from overturning.When described second When position-limiting drum 333 is aligned with second cylinder 331 and needs limit, make the output of second cylinder 331 axially described the The direction of two position-limiting drums 333 is moved to be arranged in second position-limiting drum 333, and this makes it possible to make the mounting bracket 2 Front side is higher than rear side and keeps this state, prevents the mounting bracket 2 from overturning.

If desired the overturning position limiting structure of the present embodiment makes the rear side of the mounting bracket 2 when frame 2 is mounted in overturning Higher than front side, just move down the ratch 317 to drive the gear 319 to rotate (rotating counterclockwise) forward, thus So that the mounting bracket 2 is overturn forward, after first position-limiting drum 332 is aligned with second cylinder 331, just makes the second cylinder 331 output shaft is arranged in first position-limiting drum 332, you can is limited to the mounting bracket 2 to prevent the installation Frame 2 continues to overturn.If desired so that the front side of the mounting bracket 2 is higher than rear side, the ratch 317 is just made to move up to drive It states gear 319 to rotate backward and (rotate clockwise), to make the mounting bracket 2 turn over, when second position-limiting drum 333 After being aligned with second cylinder 331, the output shaft of second cylinder 331 is just made to be arranged in second position-limiting drum 333, The mounting bracket 2 can be limited to prevent the mounting bracket 2 from continuing to overturn.It, can using above-mentioned overturning position limiting structure So that the overturning of the mounting bracket 2 is to precalculated position and limits so that the trailing wheel bulge inner panel 800 being installed on the mounting bracket 2 For tool there are two location status, two location status are convenient mainly depending on trailing wheel bulge inner panel stud welding position Staff carries out arc stud welding according to different location state to 800 corresponding position of trailing wheel bulge inner panel.It is intelligible, the present embodiment Trailing wheel bulge inner panel 800 although two location status of mounting bracket 2 are only limited according to actual welding position, and do not have to In other examples in limitation, mounting bracket 2 is limited according to the welding position of the trailing wheel bulge inner panel 800 of other embodiment Two multiposition states, it is only necessary to increase main position limiting structure quantity in 10 corresponding position of left frame and/or be corresponded on mounting bracket 2 The position setting of second cylinder 331 is corresponding to be limited structure 33.

About clamping device：

Before being illustrated to the clamping device, 800 structure of trailing wheel bulge inner panel need to be briefly described. 800 shape of trailing wheel bulge inner panel or structure can be similar to existing 800 shape of trailing wheel bulge inner panel or structure, see Fig. 1 institutes Show, 800 shape of trailing wheel bulge inner panel be similar to dustpan shape, with rear baffle 801, by rear baffle 801 lower end forward The lower baffle plate 802 that extends to form, the left side baffle 803 being connect with the left side edge of rear baffle 801 and lower baffle plate 802 and with institute State the right-hand apron 804 of the right side edge connection of rear baffle 801 and lower baffle plate 802, the rear baffle 801, lower baffle plate 802, a left side Side shield 803 and right-hand apron 804 are integrally formed.The rear baffle 801, left side baffle 803 and right-hand apron 804 it is upper The equal outward bending in edge is to form a third edge 805.

In the present embodiment, the position that front end is leaned on the medial surface of the left side baffle 803 of bulge inner panel 800 is taken turns in the rear Place needs to weld the first stud 811, takes turns in the rear on the medial surface of the left side baffle 803 of bulge inner panel 800 close to rear end It needs to weld the second stud 812 at position, be located on the lateral surface of the left side baffle 803 of trailing wheel bulge inner panel 800 to be welded The second stud 812 back lower place position at need to weld third stud 813, in the lower baffle plate 802 of trailing wheel bulge inner panel 800 It needs to weld the 4th stud 814 and the 5th stud 815, the 4th stud 814 and 815 phase of the 5th stud at left front side position Neighbour needs the 6th stud of welding on the lateral surface of the right-hand apron 804 of trailing wheel bulge inner panel 800 at the position of rear end 816, the position needs for being located at 816 front of the 6th stud on the lateral surface of the right side gear of bulge inner panel 800 are taken turns in the rear Weld the 7th stud 817.

The clamping device includes being set to the position for being corresponded on the mounting bracket 2 and needing to weld first stud 811 Position at the first clamp structure, on the mounting bracket 2 corresponding to needing to weld the second stud 812 and third stud The second clamp structure at the position at 813 position, on the mounting bracket 2 corresponding to need to weld the 4th stud 814 and Third clamp structure at the position at the position of the 5th stud 815, on the mounting bracket 2 corresponding to needing to weld the 6th spiral shell The 4th clamp structure at the position at the position of column 816 and on the mounting bracket 2 corresponding to needing to weld the 7th stud The 5th clamp structure at the position at 817 position.

About the first clamp structure：

First clamp structure is set on the first second abdomen frame 22 risen from left to right, is specifically set to described first At the front position of second abdomen frame 22.First clamp structure includes the first installation knot being set on the second abdomen frame 22 Structure, the first gripper cylinder 41 on first mounting structure, on the output shaft of first gripper cylinder 41 The third edge 805 can be compressed, and (third edge 805 is simple below close to the part at the position for needing to weld the first stud 811 Claim first part) the first compressing member 42, the medial surface for baffle 803 on the left of compressing on first compressing member 42 On need weld the first stud 811 position (hereinafter referred to as second part) the second compressing member 43, be set to it is described first installation knot Coordinating with first compressing member 42 on structure is pacified so that first cushion block 44 at the third edge 805 is clamped, is set to described first Part 45 is held up corresponding to the first of second part on the lateral surface for holding up the left side baffle 803 on assembling structure, it is described First picking-up part 45 cooperates with first compressing member 42 to be needed with being clamped from opposite direction on the left side baffle 803 Weld the position of the first stud 811.Wherein：

First mounting structure includes the first mounting blocks 40 being set on described first second abdomen frame 22, and described first The upper end of the upper end (close to the side of the left side baffle 803 of the trailing wheel bulge inner panel 800) of the inside of mounting blocks 40 has one The bottom surface of first notch, first notch is less than the third edge 805, and first cushion block 44 is set to first notch Bottom surface, have be located at the first part for paving the third edge 805 first to pave part.

First gripper cylinder 41 is set to the outside of first mounting blocks 40 (i.e. far from the trailing wheel bulge inner panel 800 side), the output shaft of first gripper cylinder 41 straight up, and thereon end face be higher than first mounting blocks 40 Upper surface.Specifically, two first installation journal stirrups 411 are provided on first gripper cylinder 41, in described two first installations It is symmetrically arranged with two first pivot hole on journal stirrup 411, described two first are corresponded in the lower end in the outside of first mounting blocks 40 It is provided with the second pivot hole at the position of pivot hole, one first pivot 412 is arranged in two first pivot hole and the second pivot hole with will be described First gripper cylinder 41 is installed on first mounting blocks 40.

First compressing member 42 includes the first pressure that first end is articulated on the output shaft of first gripper cylinder 41 Bar 421, on first compression bar 421 and be articulated in first mounting blocks 40 upper end the first supporting point part 422, set The position of first cushion block 44 is corresponded in the second end (one end far from the first gripper cylinder 41) of first compression bar 421 First briquetting 423 at place, first briquetting 423 have the surface for paving part positioned at the first of first cushion block 44 It is located at described first on third edge 805 for compressing and paves the first pressing section right over part.Wherein, described first The upper end of the output shaft of gripper cylinder 41 is arranged with the first sleeve, and two second installation branch are provided at the top of first sleeve Ear 413 symmetrically offers the third pivot hole passed through for one second pivot 414, described on described two second installation journal stirrups 413 The first end of first compression bar 421 at the position of the third pivot hole corresponding to offering one and be arranged on second pivot 414 The 4th pivot hole so that first compression bar 421 is articulated in the upper end of the output shaft of first gripper cylinder 41 so that The second end of first compression bar 421 can be pressed on the third edge downwards around the output shaft of first gripper cylinder 41 On 805 or it is lifted up.First supporting point part 422 includes set on the first of at least side of first compression bar 421 Bearing piece, the lower end of first bearing piece are articulated in the respective side of first mounting blocks 40, in this way, when the first clamping gas When the output shaft of cylinder 41 acts upwards so that the first end of first compression bar 421 acts upwards, passes through first fulcrum The lever principle of part 422 makes the second end of first compression bar 421 be pressed in downwards on the third edge 805, so that The first briquetting 423 positioned at the second end of first compression bar 421 coordinates with first cushion block 44 the third side is clamped Along 805 first part.

Second compressing member 43 is used to need on the medial surface of the left side baffle 803 to weld the first stud 811 Position (second part) is pressed outward to be coordinated with holding up part 45 with described first, to clamp the second part.Wherein, described Two compressing members 43 include that first end (one end far from the trailing wheel bulge inner panel 800) passes through one the 4th link block and described first The second compression bar 431 that compression bar 421 connects, set on second compression bar 431 second end and in the left side baffle 803 Second briquetting 432 of side, on second briquetting 432 corresponding to the second part position at the first guide block 433.Second compression bar 431 is T-bar or L-shaped bar, has an a lateral part 431a and vertical section 431b, described The first end of lateral part 431a is connect by the 4th link block with the one side of first compression bar 421, described vertical Part 431b is set to the second end of the first crossbar 201, and the vertical section 431b is gradient and the left side baffle 803 The oblique montant that matches of gradient.Second compression bar 431 is designed as T-bar or L-shaped bar, and makes the vertical section 431b For oblique montant, in this way, can make the gradient for the second briquetting 432 being installed on the vertical section 431b and the left side The gradient of baffle 803 matches, and is capable of being contacted with the left side baffle 803 for maximum area.First guide block 433 is set to The lower end of second briquetting 432, first guide block 433 be in semi-annular shape, the first guide block 433 of the semi-annular shape it is interior The size (internal diameter) of semi-circular shape matches with the outer diameter of the first stud 811 welded is needed, when the first stud 811 welds from To guiding role.

In the present embodiment, it is located at the inside of first supporting point part 422 (close to institute in 40 upper end of the first mounting blocks State the direction of trailing wheel bulge inner panel) position at be additionally provided with first of lower pan position for limiting first compression bar 421 Limited block 46, first limited block 46 can prevent first compression bar 421 from excessively pushing and damaging the trailing wheel bulge inner panel 800。

Described first, which holds up part 45, is set on first mounting blocks 40 position for being located at second compression bar, 431 lower section Place, described first, which holds up part 45, includes one first tray 451, and first tray 451 is in folding shape block, such as L-shaped block etc., institute The first end for stating the first tray 451 is connect with first mounting blocks 40, and second end is to the lateral surface direction of the trailing wheel bulge Bending is provided with the second cushion block 452, the position of second cushion block 452 to form a bending part on the bending part after extension It sets corresponding to first guide block 433.The bending part enables to one side of first tray 451 towards the rear drum Area increase, so as to be arranged the second cushion block 452 of larger area, increase and hold up area, the effect that is fixedly clamped is more preferable, more Convenient for the welding of the first stud 811.

In the present embodiment, it is additionally provided on first mounting blocks 40 for preventing the trailing wheel bulge rotational displacement First locating part 47, first locating part 47 include being set to the inside of first mounting blocks 40 vertically and being located at the third First column 471 of the underface of 805 corresponding position of edge, the first spacer pin 472 being erected on first column 471 with And it is opened in the first limit hole with first spacer pin 472 limit cooperation of the corresponding position at the third edge 805.

About the second clamp structure：

The structure or function of second clamp structure and the structure or function of first clamp structure are same or similar, The installation position for differing only in second clamp structure differs, is differed for the position at third edge 805 to be clamped, and is For clamping the position for needing to weld the second stud 812 on the left side baffle 803, the first clamp structure is compared, due on a left side It needs to weld third stud 813 on the lateral surface of side shield 803, therefore the second clamp structure is increased for holding up the left side The third for welding the position of third stud 813 is needed to hold up part 57 on the lateral surface of baffle 803.

Specifically, second clamp structure is set on the second second abdomen frame 22 risen from left to right, is specifically set At the back-end location of described second second abdomen frame 22.Second clamp structure includes being set to described second second abdomen frame Structure or function on 22 and same or analogous second mounting blocks 51 of 40 structure or function of the first mounting blocks, be set to it is described Structure or function and the structure or function of first gripper cylinder 41 on the outside of second mounting blocks 51 is same or analogous Second gripper cylinder 52 can compress the 805 (third of third edge on the output shaft of second gripper cylinder 52 Edge 805 close to need weld the second stud 812 position part, claim Part III) third compressing member 53 (structure or work( Can be same or similar with the first compressing member 42), the inside for baffle 803 on the left of compressing on the third compressing member 53 54 (the structure or function and described second of the 4th compressing member at the position (claiming Part IV) of the second stud 812 of welding is needed on face The structure or function of compressing member 43 is same or similar), be set to second mounting blocks 51 on the third compressing member 53 coordinate Be clamped the Part III at the third edge 805 third cushion block 55 (structure or function it is identical as first cushion block 44 or It is similar), Part IV is corresponded on the lateral surface of the left side baffle 803 for holding up on second mounting blocks 51 Second hold up part 56 (structure or function with it is described first hold up part 45 structure or function it is same or similar), second support It plays part 56 and the 4th compressing member 54 and cooperates and need welding the on the left side baffle 803 to be clamped from opposite direction The position of two studs 812.Second clamp structure further includes the second limited block set on the upper end of second mounting blocks 51 58, second limited block 58 is set on first mounting blocks 40 the interior of the second supporting point part for being located at third compressing member 53 Side, the lower pan position of the third compression bar 531 for limiting third compressing member 53, under the third compression bar 531 can be prevented excessive It presses and damages the trailing wheel bulge inner panel 800.

Due to above-mentioned second clamp structure compared to first clamp structure for, merely add third hold up part 57, In addition to this, the structure or function of other components is same or similar with the structure or function of first clamp structure, only It needs to make accordingly to change by the quantifier before other component to repeat to avoid with the other component title of the first clamp structure, Therefore, the other component just no longer held up other than part 57 to the third of second clamp structure herein is described in detail, this The structure of a little other components, installation position can be directly referring to the first clamp structures.Part 57 is held up to the third below to carry out in detail It is thin to illustrate：

The third picking-up part 57 is set to correspond on 803 lateral surface of left side baffle on second mounting blocks 51 and need At the position for welding the position of the third stud 813, it includes the first L-shaped block 571 that the third, which holds up part 57, and described first One longitudinal block of L-shaped block 571 is fixed on second mounting blocks 51, and the lateral blocks of the first L-shaped block 571 are located at the left side The lateral surface of side shield 803.It further includes being used in the lateral blocks of the first L-shaped block 571 that the third, which holds up part 57, The second guide block for holding up the second tray 572 of the lateral surface of the left side baffle 803 and being connect with first tray 451 573, second guide block 573 also be in semi-annular shape, the interior semicircle size of the second guide block 573 of the semi-annular shape with need to weld The outer diameter of the third stud 813 connect matches, and guiding role is played when third stud 813 welds.

About third clamp structure：

The structure or function of the third clamp structure and the structure or function of first clamp structure are same or similar, The installation position for differing only in the third clamp structure differs, the clamping of third clamp structure be lower baffle plate 802 before Edge, third clamp structure are used to clamp the position for needing to weld the 4th stud 814 on the lower baffle plate 802, compared to the first folder Structure is held, the third clamp structure also needs to clamp the position for needing to weld the 5th stud 815 on lower baffle plate 802, therefore, the Three clamp structures increase the 5th compressing member 67 and the 4th for clamping the 5th stud 815 and hold up part 68.

Specifically, the third clamp structure is set on second second abdomen frame 22 that the left left-to-right rises, and is specifically set At the front position of described second second abdomen frame 22.Second clamp structure includes being set to described second second abdomen frame Third mounting blocks 61 on 22, the third gripper cylinder 62 on the third mounting blocks 61 are set to third clamping gas 6th compressing member 63 of the leading edge that can compress the lower baffle plate 802 on the output shaft of cylinder 62 is set to the 6th compression The medial surface (i.e. upper surface) for compressing the lower baffle plate 802 on part 63 needs the position for welding the 4th stud 814 (to claim Part V) the 7th compressing member 64, on the third mounting blocks 61 with the 6th compressing member 63 coordinate to be clamped 4th cushion block (not shown) of the leading edge of the lower baffle plate 802 is used to hold in the palm on described second second abdomen frame 22 It rises and holds up part 66, the 5th support corresponding to the 5th of the Part V on the lateral surface (lower surface) of the lower baffle plate 802 It plays part 66 and cooperates with the 7th compressing member 64 and needed described in welding on the lower baffle plate 802 with being clamped from opposite direction The position of 4th stud 814.Second clamp structure further includes described for compressing on the 6th compressing member 63 It needs to weld the 5th compressing member 67 at the position (claiming Part VI) of the 5th stud 815 on the medial surface of lower baffle plate 802 and set In on the downside for holding up the lower baffle plate 802 on described second second abdomen frame 22 corresponding to the Part VI The 4th of position holds up part 68.Second clamp structure further includes the third limit set on the upper end of the third mounting blocks 61 Block 69, the third limited block 69 are set on the third mounting blocks 61 the 6th compressing member 63 for being located at the third clamp structure Third supporting point part inside, the lower pan position of the compression bar for limiting the 6th compressing member 63 can prevent described The compression bar of six compressing members 63 excessively pushes and damages the trailing wheel bulge inner panel 800.

61 structure or function of third mounting blocks and the structure or function of first mounting blocks 40 are same or similar, institute Structure or function and the structure or function of first gripper cylinder 41 for stating the second gripper cylinder 52 are same or similar, and described The structure or function of six compressing members 63 and the structure or function of first compressing member 42 are same or similar, the 4th cushion block Structure or function and the structure or function of first cushion block 44 are same or similar, the structure or function of the 7th compressing member 64 It is same or similar with the structure or function of the compressing member, therefore, just no longer repeat one by one herein.It is described in detail below with The different part of first clamp structure：

7th compressing member 64 include set on the 6th compressing member 63 compression bar rear end the second L-shaped block 641 with And the third briquetting 642 set on the front end of the second L-shaped block 641 and the third guide block on the third briquetting 642 643, the shape of the third guide block 643 and the shape of first guide block 433 are same or similar.Described 5th, which holds up part 66, wraps Include be erected on second second web member corresponding at 643 position of third guide block Z-shape third tray and The 5th cushion block set on third tray top, the 5th cushion block are used to pave the lateral surface of the lower baffle plate 802, are located at The underface of the third guide block 643.

5th compressing member 67 is set on the 6th compressing member 63 position in the front for being located at the 7th compressing member 64 Place is set, the 5th compressing member 67 includes one connect with the side of the 6th compressing member 63 by one the 5th link block 671 Pressing member, the 4th briquetting 674 on the pressing member and the lower baffle plate is corresponded on the 4th briquetting 674 Need to weld the 4th guide block 675 at the position at the position of the 5th bolt on 802.The pressing member includes a third L-shaped Block 672 and one the 4th L-shaped block 673, the third L-shaped block 672 have be fixed on 671 upper surface of the 5th link block the One horizontal block and the first vertical block being downwardly extending by the rear end of first horizontal block.The 4th L-shaped block 673 has and institute It states the second vertical block of the one side connection of the first vertical block and is needed from the lower end of second vertical block on the lower baffle plate 802 Weld the second horizontal block that the direction at the position of the 5th stud 815 extends to form.4th briquetting 674 is fixed on described In five horizontal blocks, the 4th guide block 675 is set on the 4th briquetting 674, and shape is identical as above-mentioned first guide block, 433 shape, Details are not described herein again.

About the 4th clamp structure：

The structure or function and the structure or function of first clamp structure of 4th clamp structure are same or similar, 4th clamp structure is set to the right lateral side of the mounting bracket 2, is specifically set to the right side of the second crossbar 202 of the mounting bracket 2 End corresponds at the position at the position for needing to weld the 6th stud 816 on the right-hand apron 804.The 4th clamp structure packet Include the 4th mounting blocks 71 in the second crossbar 202, the 4th gripper cylinder 72 on the 4th mounting blocks 71, Can compress on the third edge 805 close to needing to weld described the on the output shaft of the 4th gripper cylinder 72 8th compressing member 73 of the part (claiming Part VII) at the position of six studs 816 is lacked set on the second of the 4th mounting blocks 71 (match with the 8th compressing member 73 compression corresponding to the 6th cushion block 74 at the position of the 8th compressing member 73 on the bottom surface of mouth Close so that the Part VII is clamped), set on the inside of the 4th mounting blocks 71 corresponding to needing to weld on the right-hand apron 804 It connects the at the position at the position of the 6th stud 816 the 7th and holds up part 75.Likewise, the 4th clamp structure further includes setting The 4th limited block 76 in the upper end of the 4th mounting blocks 71, the 4th limited block 76 are set on the 4th mounting blocks 71 Positioned at the inside of the third fulcrum portion of the 8th compressing member 73, the compression bar for limiting the 8th compressing member 73 moves down Position can prevent the 8th compressing member 73 from excessively pushing and damaging the trailing wheel bulge inner panel 800.

Above-mentioned 4th mounting blocks, 71 structure or function and the structure or function of first mounting blocks 40 are same or similar, institute Structure or function and the structure or function of first gripper cylinder 41 for stating the 4th gripper cylinder 72 are same or similar, and described The structure or function of eight compressing members 73 and the structure or function of first compressing member 42 are same or similar, the 6th cushion block 74 Structure or function and the structure or function of first cushion block 44 it is same or similar, just no longer repeat one by one herein.

4th clamp structure of the present embodiment is differed with first clamp structure or dissimilar place is：

4th compression bar of the 8th compressing member 73 is T-shaped, and the 4th compression bar of T shapes has third cross bar 731 and is set to Third vertical pole 732 of the third cross bar 731 close to one end of the trailing wheel bulge inner panel 800.The third cross bar 731 is pivotally connected In on the output shaft of the 4th gripper cylinder 72, the length direction of the third vertical pole 732 on the third edge 805 Part VII direction matches, and is located at the surface of the Part VII.There are two for 8th compressing member 73 tool of the present embodiment Five briquettings 733, described two 5th briquettings 733 are respectively arranged on the both ends of the third vertical pole 732.In the present embodiment, described Six cushion blocks 74 are two, and described two 6th cushion blocks 74 are located at the underface of two the 5th briquettings 733, for described in cushion block The lower surface of the Part VII at third edge 805.Further, the bottom surface of the 4th mounting blocks 71 is provided with a T-shaped block, The T-shaped block has the 4th cross bar 771 being set on the bottom surface and is vertical on the 4th cross bar 771 close to institute State the 4th vertical pole 772 of one end of trailing wheel bulge, the 4th vertical pole 772 is located at the underface of the third vertical pole 732, and the 4th The length of vertical pole 772 and the length of the third vertical pole 732 match.Described two 6th cushion blocks 74 are respectively arranged on the described 4th The both ends of vertical pole 772, with two 733 mutual snap fits of the 5th briquetting, to be clamped the 7th of the third edge 805 Point.

The 7th picking-up part 75 includes being set to correspond on the right-hand apron 804 on the 4th mounting blocks 71 to need Weld the 5th L-shaped block 751 at the position at the position of the 6th stud 816, the on the 5th L-shaped block 751 the 4th Tray 752 and the 5th guide block 753 on the 4th tray 752.One end of the 5th L-shaped block 751 and described the Four mounting blocks 71 connect, and the one side close to the trailing wheel bulge inner panel 800 installs the 4th tray 752.5th guide block 753 are fixed on the 4th tray 752 can play guiding role when welding six stud 816.Described 5th 753 shape of guide block and 433 shape of the first guide block are same or similar, just no longer repeat one by one herein.

About the 5th clamp structure：

5th clamp structure includes that structure or function is identical as the structure or function of the first clamp structure or phase Seemingly, the 5th clamp structure is set to the forward right side of the mounting bracket 2, is specifically set to the first crossbar 201 of the mounting bracket Right end corresponding to the right-hand apron 804 lateral surface on need weld the 7th stud part position at.5th folder It includes the 5th mounting blocks 91 being set in the second crossbar 202, the 5th folder on the 5th mounting blocks 91 to hold structure Hold cylinder 92, can compress on the third edge 805 close to needs on the output shaft of the 5th gripper cylinder 92 It welds the 9th compressing member 93 of the part (claiming Part VIII) at the position of the 7th stud 817, be set to the 5th mounting blocks Corresponding to the 7th cushion block 94 at the position at the position of the 9th compressing member 93 (with described the on the bottom surface of 91 third notch Nine compressing members, 93 compression fit is to be clamped the Part VIII), set on the inside of the 5th mounting blocks 91 correspond to the right side It needs to weld the at the position at the position of the 7th stud 817 the 8th on side shield 804 and holds up part 95.Likewise, described Five clamp structures further include the 5th limited block 96 (not shown) set on the upper end of the 5th mounting blocks 91, the 5th limit Position block 96 is set on the 5th mounting blocks 91 inside for the 4th supporting point part for being located at the 9th compressing member 93, for limiting The lower pan position of the compression bar of 9th compressing member 93, can prevent the 9th compressing member 93 excessively push and damage it is described after Take turns bulge inner panel 800.

Above-mentioned 5th mounting blocks, 91 structure or function and the structure or function of first mounting blocks 40 are same or similar, institute Structure or function and the structure or function of first gripper cylinder 41 for stating the 5th gripper cylinder 92 are same or similar, and described The structure or function of nine compressing members 93 and the structure or function of a compressing member are same or similar, the knot of the 7th cushion block 94 Structure or function and the structure or function of first cushion block 44 are same or similar, just no longer repeat one by one herein.

5th clamp structure of the present embodiment is differed with first clamp structure or dissimilar place is：

The 8th picking-up part 95 includes being set to correspond on the right-hand apron 804 on the 5th mounting blocks 91 to need The 7th L for welding the 6th L-shaped block 951 at the position at the position of the 7th stud 817, being connect with the 6th L-shaped block 951 Shape block 952, the 8th L-shaped block 953 being connect with the 7th L-shaped block 952, the 5th tray being connect with the 8th L-shaped block 953 954 and the 6th guide block 955 set on the upper end of the 5th tray 954.The 6th L-shaped block 951 and the 7th L-shaped block 952 It is in " people " shape after connection.The lateral part of the 6th L-shaped block 951 is set to the one side of the 5th mounting blocks 91, and described the The vertical section of six L-shaped blocks 951 and the lateral part bending of the 6th L-shaped block 951 connect, and the 7th L-shaped block 952 erects It is connect to part with the vertical section of the 6th L-shaped block 951, the lateral part of the 7th L-shaped block 952 is to far from described the The direction of six L-shaped blocks 951 extends to form, the transverse part of the lateral part and the 7th L-shaped block 952 of the 8th L-shaped block 953 The lower surface connection divided, the vertical section of the 8th L-shaped block 953 upwardly extend.5th tray 954 is connected to described The medial surface of the vertical section of eight L-shaped blocks 953, the 6th guide block 955 is connect with the upper end of the 5th tray 954, described 6th guide block 955 is located at the position at the position for needing to weld the 7th stud 817,955 shape of the 6th guide block and institute It is same or similar to state 433 shape of the first guide block, just no longer repeats one by one herein.

In the present embodiment, it is additionally provided on the 5th mounting blocks 91 for preventing the trailing wheel bulge rotational displacement Second locating part 97, second locating part 97 include being set to the inside of the 5th mounting blocks 91 vertically and being located at the third Second column 971 of the underface of edge corresponding position, the second spacer pin 972 being erected on second column 971 and It is opened in the second limit hole with second spacer pin 972 limit cooperation of the corresponding position at the third edge.

The trailing wheel bulge inner panel stud welding fixture of the utility model is needed when welding the trailing wheel bulge inner panel 800 Make all gripper cylinders of clamping device in opened condition, even if the equal downward actuation of output shaft of the first to the 5th gripper cylinder 92 So that corresponding compression bar is lifted up close to one end of trailing wheel bulge inner panel 800, then the trailing wheel bulge inner panel 800 is put It is placed on the cushion block of each clamp structure so that the third edge 805 of the trailing wheel bulge inner panel is placed in the corresponding cushion block On, it then moves up the output shaft of the first to the 5th gripper cylinder 92, is made by the supporting point part of each clamp structure The lower pressure side for obtaining compression bar is pressed downward tightly making the briquetting of pressure side under compression bar to be matched with corresponding cushion block to clamp third edge 805. Since another pressing member on each clamp structure is provided on compression bar, it is another when the compression bar of clamp structure pushes Pressing member also pushes therewith, to coordinate with to needing the position of welding screw to be held up, fixed and pressed from both sides with corresponding tray Tight effect, in this way in welding screw, needs the position of welding screw not move easily on the trailing wheel bulge inner panel 800, The problems such as preventing welding screw from shifting.The installation part of the present embodiment is by being arranged in 12 both sides of left frame 10 and left side frame Position limiting structure is overturn, makes the first cylinder 316 in state obliquely, passes through the cooperation of ratch 317 and gear 319, you can make therewith The mounting bracket 2 of connection can overturn or turn over forward, after overturning is to predetermined angular, be set to the main limit in 2 left side of mounting bracket It bit architecture and is limited structure and first set on the first of 2 left end of the mounting bracket and is limited structure, enable to the mounting bracket 2 to be in Two heeling conditions, convenient for carrying out stud to the medial surface and lateral surface that are installed on the trailing wheel bulge inner panel on the mounting bracket 2 Welding.The structure of this trailing wheel bulge inner panel stud welding fixture is simple, and each group of clamp structure only needs a cylinder, you can The position for needing to weld can be consolidated again by clamping trailing wheel bulge inner panel 800, greatly reduce structure complexity, be limited by overturning Structure makes staff, and very easily the stud of inner surface sides and lateral surface welds.

It these are only the embodiment of the utility model, it does not limit the scope of the patent of the present invention, every profit The equivalent structure or equivalent flow shift made by the utility model specification and accompanying drawing content, is applied directly or indirectly in it His relevant technical field, is equally included in the patent within the scope of the utility model.

Claims (9)

1. a kind of overturning position limiting structure of trailing wheel bulge inner panel stud welding fixture, for driving trailing wheel bulge inner panel stud welding fixture Mounting bracket overturning, it is characterised in that：It include the main overturning knot set on the left side frame top of trailing wheel bulge inner panel stud welding fixture Structure, set on the left frame top of trailing wheel bulge inner panel stud welding fixture from overturning structure and position limiting structure, the main overturning Structure includes the right connector being connect with the right end of the mounting bracket, the first axle bed at the top of the left side frame, is arranged in On first axle bed and main rotary shaft that left end is connect with the right connector, it is set in the left side frame and turns with the master The connection of moving axis right end is to drive the driving structure of the main rotary shaft rotation.

2. the overturning position limiting structure of trailing wheel bulge inner panel stud welding fixture as described in claim 1, it is characterised in that：The drive Dynamic structure is fixed on the lateral surface of the left side frame, and the driving structure includes being fixed on the right side by a first fixed structure The first cylinder on the lateral surface of side frame, with the upward of the output axis connection of first cylinder and the ratch to turn forward, use In the ratch is fixed on to the second fixed structure on the lateral surface of the left side frame and on the main rotary shaft and The ratcheting gear with the ratch.

3. the overturning position limiting structure of trailing wheel bulge inner panel stud welding fixture as claimed in claim 2, it is characterised in that：Described The lateral surface of left side frame is provided with one the 6th mounting blocks at the position of top crossbearer, and the driving structure is fixed on the described 6th On mounting blocks.

4. the overturning position limiting structure of trailing wheel bulge inner panel stud welding fixture as claimed in claim 3, it is characterised in that：Described One fixed structure is set on the 6th mounting blocks at the position of rear side, and the first fixed structure is described including being attached at On 6th mounting blocks and sweptback first fixed block, by first fixed block lower end it is outwardly extending first connection Block, the second link block being connect with the bottom surface of first link block, upper end connect with the bottom surface of first link block Two fixed blocks, the output end set on first cylinder and the third of perforation that is passed through with the output shaft for first cylinder Link block and with the third link block close to one end of second fixed block third fixed block connected vertically, described After one cylinder is fixed on by the first fixed structure on the 6th mounting blocks, the upper end of first cylinder upwards and to Top rake, lower end is downward and tilts backwards, so that the ratch of the output axis connection of first cylinder is in upwards and forward It is skewed.

5. the overturning position limiting structure of trailing wheel bulge inner panel stud welding fixture as claimed in claim 3, it is characterised in that：Described Two fixed structures include the 4th fixed block being attached on the outer surface of the 6th mounting blocks, the lower end of the 4th fixed block It downwards and tilts backwards, so that the trailing flank of the 4th fixed block is solid in downward and inclined surface backward, described second Determine structure further include with the outer surface of the 4th fixed block one first supporting block connected vertically, after first supporting block End and the rear end of the 4th fixed block are generally aligned in the same plane, second fixed block further include with after the 4th fixed block The lower end of side the second supporting block connected vertically, second supporting block is downward and tilts backwards, and upper end is upward and turns forward Tiltedly, second supporting block is located at the front upper place of the first fixed block structure, at the position of the gear.

6. the overturning position limiting structure of trailing wheel bulge inner panel stud welding fixture as claimed in claim 2, it is characterised in that：The master Overturning structure further includes that the upper end for the ratch being set on second fixed structure is contained in accepting box therein, in institute It states one side on accepting box towards the gear and offers one for exposed elongated of the ratch along the length direction of the ratch Chamber, the length of the elongated chamber and the outer diameter of the gear match, and the gear passes through the elongated chamber and exposed ratch It is ratcheting；The top of the elongated chamber has the circular perforations to match with the ratch, is arranged on the top of the elongated chamber Have one for limiting the locating part that the top of the ratch is pierced by upwards, the locating part includes being set to the elongated chamber far from institute It states the fixed link of the upper end of the one side of gear and is prolonged from the upper end of the fixed link to the axis direction level of the elongated chamber The gag lever post of stretching, the gag lever post are higher than the top end face of the elongated chamber.

7. the overturning position limiting structure of trailing wheel bulge inner panel stud welding fixture as described in claim 1, it is characterised in that：It is described from Overturning structure include the left connector being connect with the left end of the mounting bracket, the second axle bed at the top of the left frame and It is arranged in the slave rotation axis that on second axle bed and right end is connect with the left connector.

8. the overturning position limiting structure of trailing wheel bulge inner panel stud welding fixture as described in claim 1, it is characterised in that：The limit Bit architecture includes positioned at described on left frame top from the main position limiting structure of overturning structure back side, set on the installation Frame is limited the front side of structure and the left end set on the mounting bracket corresponding to first at the position of the main position limiting structure Second be limited structure.

9. the overturning position limiting structure of trailing wheel bulge inner panel stud welding fixture as claimed in claim 8, it is characterised in that：The master Position limiting structure is the second cylinder, and the output shaft of second cylinder is limited structure towards the left side frame direction, described first The first position-limiting drum that includes the rear side set on the left end of the mounting bracket and can be aligned with the output shaft of second cylinder, institute Stating first, be limited can be with institute after structure includes rear side set on the mounting bracket left end and overturn with the main overturning structure State the second position-limiting drum of the output shaft alignment of the second cylinder.