CN208513846U - Rear-wheel bulge inner panel stud welding fixture - Google Patents

Abstract

The utility model discloses a kind of rear-wheel bulge inner panel stud welding fixtures, for clamping rear-wheel bulge inner panel, it include left frame including fixture, left side frame, mounting rack between the left frame and left side frame, it connect the overturning position limiting structure mounting rack can be driven to overturn around center line and can be limited after mounting rack overturning on left frame and left side frame and with the both ends of the mounting rack and clamps the clamping device of the rear-wheel bulge inner panel on mounting rack, the overturning position limiting structure includes the main overturning structure set on left side frame top, set on left frame top from overturning structure and position limiting structure, the main overturning structure includes the right connector connecting with the right end of the mounting rack, the first axle bed at the top of the left side frame, it is arranged on first axle bed and left end is connect with the right connector Main rotary shaft, connect in the left side frame and with the main rotary shaft right end driving structure to drive the main rotary shaft rotation.

Description

Rear-wheel bulge inner panel stud welding fixture

Technical field

The utility model relates to a kind of rear-wheel bulge inner panel stud welding fixtures.

Background technique

In the rear-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 rear-wheel bulge inner plate welding fixture to grip rear-wheel bulge inner panel, Make spot welding robot start to weld the rear-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 rear-wheel bulge inner panel arc stud welding process, traditional rear-wheel Bulge inner panel stud welding fixture can only make rear-wheel bulge inner panel in a kind of location status, in this case, rear-wheel bulge inner panel Medial surface and lateral surface when being required to welding, a stud welding fixture is only redesigned, so that rear-wheel bulge inner panel Two 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 to design many clamp structures for distinguishing The position of rear-wheel bulge and the stud for needing to weld is gripped, in this way, making the scale of construction of stud welding fixture very big, is occupied Space is larger, and the components of waste are more, and structure is complicated.

Utility model content

In view of the above shortcomings of the prior art, the technical problem to be solved by the utility model is to provide a kind of structure letters List can be such that the position of the stud to be welded of rear-wheel bulge inner panel can be effectively demonstrated, and in order to stud welding, improve spiral shell The rear-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: providing in a kind of rear-wheel bulge Plate stud welding fixture, for clamping rear-wheel bulge inner panel, including fixture includes a left frame, a left side frame, is set to the left side Mounting rack between frame and left side frame is connect with can on the left frame and left side frame and with the both ends of the mounting rack The overturning position limiting structure for driving the mounting rack to overturn and can be limited after mounting rack overturning around center line And one be set on the mounting rack to clamp the clamping device of the rear-wheel bulge inner panel.

Further, the overturning position limiting structure includes set on the main overturning structure on left side frame top, set on left frame top End from overturning structure and position limiting structure.

Further, the main overturning structure includes the right connector connecting with the right end of the mounting rack, set on described The first axle bed at the top of left side frame, be arranged on first axle bed and main rotary shaft that left end is connect with the right connector, The driving structure to drive the main rotary shaft rotation is connect in the left side frame and with the main rotary shaft right end.

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 on the lateral surface for the ratch to be fixed on to the left side frame with And the ratcheting gear on the main rotary shaft and with the ratch.

Further, the main overturning structure further includes the upper end for the ratch 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 elongated chamber exposed for the ratch, 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 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 accommodating chamber is extend horizontally away, the gag lever post are higher than the top end face of the accommodating chamber.

Further, it is described from overturning structure include left connector connect with the left end of the mounting rack, 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 Main position limiting structure, first at the position that the mounting rack corresponds to the main position limiting structure are limited structure and are set to The second of the front side of the left end of the mounting rack 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 rack 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 rack left end front side and with described The second position-limiting drum that can be aligned with the output shaft of second cylinder after main overturning structure overturning.

Further, the rear-wheel bulge inner panel has rear baffle, is extended to form forward by the lower end of the rear baffle Lower baffle plate, the left side baffle being connect with the left side edge of rear baffle and lower baffle plate and the right side with the rear baffle and lower baffle plate The right-hand apron of edge connection, the rear baffle, lower baffle plate, left side baffle and right-hand apron are integrally formed, the rear baffle, The equal outward bending in the top edge of left side baffle and right-hand apron is to form a third edge；On a left side for the rear-wheel bulge inner panel Need to weld the first stud at the position of front end on the medial surface of side baffle, in the left side baffle of the rear-wheel bulge inner panel Medial surface on close to rear end position at need to weld the second stud, on the lateral surface of the left side baffle of rear-wheel bulge inner panel Need to weld third stud at the back lower place position of the second stud to be welded, on a left side for the lower baffle plate of rear-wheel bulge inner panel Need to weld the 4th stud and the 5th stud at forward position, the 4th stud and the 5th stud are adjacent, in rear-wheel bulge Need to weld the 6th stud at the position of rear end on the lateral surface of the right-hand apron of plate, on the right side of the rear-wheel bulge inner panel It is located at the position in front of the 6th stud on the lateral surface of side block and needs to weld the 7th stud；

The clamping device includes on the mounting rack corresponding to the position at the position for needing to weld first stud First clamp structure at the place of setting corresponds to the position for needing to weld the position of the second stud and third stud on the mounting rack Second clamp structure at the place of setting corresponds to the position for needing to weld the position of the 4th stud and the 5th stud on the mounting rack The third clamp structure at the place of setting, on the mounting rack corresponding to the 4th at the position at the position that needs to weld the 6th stud Clamp structure and on the mounting rack corresponding to the 5th clamping knot at the position at the position that needs to weld the 7th stud Structure.

Further, first clamp structure to the 5th clamp structure includes on mounting rack corresponding to needs welding pair Mounting blocks at the position at the position for the stud answered, the output shaft on the mounting blocks gripper cylinder upward are set to institute It states the compressing member I of the corresponding position that can compress the third edge of gripper cylinder, be used on the compressing member Compress medial surface on need to weld corresponding stud position compressing member II, on the mounting blocks with the compressing member I Cooperation needs to weld to clamp the cushion block at the third edge, on the mounting blocks for holding up to correspond on lateral surface The picking-up part of the part at the position of corresponding stud, the part and compressing member I mutual cooperation of holding up from opposite direction to press from both sides Tightly need to weld the position of corresponding stud.

The rear-wheel bulge inner panel stud welding fixture of the utility model, so that the rear-wheel bulge being installed on the mounting rack Inner panel have multiple location status, multiple location status mainly depending on rear-wheel bulge inner panel stud welding position, Staff is facilitated to carry out arc stud welding to rear-wheel bulge inner panel corresponding position according to different location state.The rear-wheel of the utility model The structure of bulge inner panel stud welding fixture is simple, and each group of clamp structure only needs a cylinder, can clamp rear drum Packet inner panel can consolidate the position for needing to weld again, greatly reduce structure complexity, make work by overturning position limiting structure Very easily the stud of inner surface sides and lateral surface welds personnel.

Detailed description of the invention

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

Fig. 2 is the structural schematic diagram at another visual angle of the utility model rear-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 rear-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 embodiment

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 Every other embodiment obtained, fall within the protection scope of the utility model.

Referring to Figure 1 to Fig. 6, the utility model is by taking the left rear wheel bulge inner panel of automobile as an example to the rear-wheel bulge inner panel Stud welding fixture is illustrated.The rear-wheel bulge inner panel stud welding fixture of the present embodiment include a left frame 10, a left side frame 12, Mounting rack 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 rack 2 is can drive the mounting rack 2 around center line (with mounting rack 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 mounting rack 2 overturning It the overturning position limiting structure of limit and one is set on the mounting rack 2 to clamp the clamping device of the rear-wheel bulge inner panel 800.

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 downwardly and forwardly sloping front stand in the front end of the top crossbearer 101,121 102,122, by the top cross 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 foot prop 105,125 for being fixed on corresponding side frame on the platform such as ground, in the foot prop 105,125 On be provided with fixing bolt, corresponding side frame is detachably secured on the platform by fixing bolt.In the left frame 10 And a connection frame 13 is additionally provided between left side frame 12, the both ends of the connection frame 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 bulks, or is in square Shape frame-like etc., as long as left frame 10 and left side frame 12 have top.

The mounting rack 2 be in mesh shape, the mounting rack 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 rack 2 further includes several second abdomen framves 22 in the rectangle frame.In the present embodiment, the second abdomen frame 22 is three Root, the both ends of 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 the second vertical pole 204, and three second abdomen framves 22 are along the 201 length side of 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 rack 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 rack 2 also can be in other structures, such as rectangular plate-like structure, circular plate structure, various shape 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 be set to 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 connecting with the right end of the mounting rack 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 with 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 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 Connect (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, opens 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, One the 6th mounting blocks 126, the driving structure are provided at the position of top crossbearer 121 in the lateral surface of the left side frame 12 314 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 the ratch 317 to be fixed 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 Determining structure 315 includes being attached on the 6th mounting blocks 126 and sweptback first fixed block 315a, being consolidated by described first 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 there is the output shaft for first cylinder 316 to pass through and with institute State one end connected vertically third fixed block 315f of the third link block 315e close to the second fixed block 315d.Described first After cylinder 316 is fixed on the 6th mounting blocks 126 by the first fixed structure 315, 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 is vertically connected, and the second fixed block 315d is vertical with the second link block 315c to be connect, the third fixed block 315f is vertical with the third link block 315e to be connect.It is in L after the first fixed block 315a and the first link block 315b connection T-shaped piece after shape block, the second fixed block 315d and the second link block 315c connection, third fixed block 315f and third link block L-shaped piece after 315e connection, 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 vertical with the second link block 315c connect 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 of the second fixed block 315d and the bottom surface of the first link block 315b 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) and the medial surface of the third fixed block 315f between be 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 is passed 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 rear angled surfaces.Second fixed structure 318 further includes and the 4th fixed block 318a Outer surface one first supporting block 318b connected vertically, the rear end of the first supporting block 318b and the 4th fixed block The rear end of 318a is generally aligned in the same plane.The second fixed block 315d further includes hanging down with the trailing flank of the 4th fixed block 318a The lower end of direct-connected the second the supporting block 318c, the second supporting block 318c connect downwards and tilts backwards, and upper end is upwards and forward Inclination, the second supporting block 318c is located at the front upper place of the first fixed block 315a structure, corresponding to the position of the gear 319 Place is set, it is parallel with the third fixed block 315f.

In the present embodiment, the main overturning structure 31 further include on second fixed structure (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 accommodating chamber is extend horizontally away is stated, the gag lever post is higher than the top end face of the accommodating chamber.

About from overturning structure 32:

It is described to include the left connector 321 being connect with the left end of the mounting rack 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 edge.The second front vertical plate 321b and the second back vertical plate 321c can be right angle trigonometry Shape stiffening 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, opens 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 at the top of the left frame 10 above (to set positioned at described from 32 rear side of overturning structure In the rear end of the described first vertical frame) main position limiting structure, set on the mounting rack 2 corresponding to the main position limiting structure position at The first of (rear side of left end) is limited structure and second is limited structure set on the front side of the left end of the mounting rack 2.

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 rack 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 rack rear side (rear end of the first vertical pole 203) can be with the output shaft of second cylinder 331 Alignment the first position-limiting drum 332, described second be limited structure include set on the mounting rack left end front side (the first vertical pole 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 to limit, make second cylinder The direction of axial first position-limiting drum 332 of 331 output is moved to be arranged in first position-limiting drum 332, thus can Enough so that the rear side of the mounting rack 2 is higher than front side and keeps this state, prevent the mounting rack 2 from overturning.When described second When position-limiting drum 333 is aligned with second cylinder 331 and needs to limit, make the output of second cylinder 331 axially described 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 rack 2 Front side is higher than rear side and keeps this state, prevents the mounting rack 2 from overturning.

If desired the overturning position limiting structure of the present embodiment makes the rear side of the mounting rack 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 and (rotate counterclockwise) forward, thus It overturns the mounting rack 2 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, can be limited the mounting rack 2 to prevent the installation Frame 2 continues to overturn.If desired so that the front side of the mounting rack 2 is higher than rear side, move up the ratch 317 to drive It states gear 319 to rotate backward and (rotate clockwise), to make the mounting rack 2 turn over, when second position-limiting drum 333 After being aligned with second cylinder 331, it is arranged in the output shaft of second cylinder 331 in second position-limiting drum 333, The mounting rack 2 can be limited to prevent the mounting rack 2 from continuing to overturn.It, can using above-mentioned overturning position limiting structure So that the overturning of mounting rack 2 is to predetermined position and limits, so that the rear-wheel bulge inner panel 800 being installed on the mounting rack 2 For tool there are two location status, two location status are convenient mainly depending on rear-wheel bulge inner panel stud welding position Staff carries out arc stud welding to 800 corresponding position of rear-wheel bulge inner panel according to different location state.It is intelligible, the present embodiment Rear-wheel bulge inner panel 800 although two location status of mounting rack 2 are only limited according to actual welding position, and do not have to In other examples in limitation, mounting rack 2 is limited according to the welding position of the rear-wheel bulge inner panel 800 of other embodiments 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 rack 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 rear-wheel bulge inner panel need to be briefly described. 800 shape of rear-wheel bulge inner panel or structure can be similar to existing 800 shape of rear-wheel bulge inner panel or structure, see Fig. 1 institute Show, 800 shape of rear-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 baffle 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 of front end is leaned on the medial surface of the left side baffle 803 of the rear-wheel bulge inner panel 800 Place needs to weld the first stud 811, close to rear end on the medial surface of the left side baffle 803 of the rear-wheel bulge inner panel 800 It needs to weld the second stud 812 at position, is located on the lateral surface of the left side baffle 803 of rear-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 rear-wheel bulge inner panel 800 Need 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 to weld the 6th stud at the position of rear end on the lateral surface of the right-hand apron 804 of rear-wheel bulge inner panel 800 816, the position that 816 front of the 6th stud is located on the lateral surface that the right side of the rear-wheel bulge inner panel 800 is kept off needs Weld the 7th stud 817.

The clamping device includes on the mounting rack 2 corresponding to the position for needing to weld first stud 811 Position at the first clamp structure, on the mounting rack 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 rack 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 rack 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 rack 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 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 to 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 Cooperating with first compressing member 42 to clamp first cushion block 44 at the third edge 805, be set to first peace on structure 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 clamp from opposite direction and need on the left side baffle 803 Weld the position of the first stud 811.Wherein:

First mounting structure includes the first mounting blocks 40 on 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 rear-wheel bulge inner panel 800) of the inside of mounting blocks 40 has one First notch, the bottom surface of first notch are lower 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 rear-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 trunnions 411 are provided on first gripper cylinder 41, in two first installation It is symmetrically arranged with two first pivot hole on trunnion 411, corresponds to described two first 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 above part.Wherein, described first The upper end of the output shaft of gripper cylinder 41 is arranged with first sleeve, and two second installation branch are provided at the top of the first sleeve Ear 413 symmetrically offers the third pivot hole passed through for one second pivot 414 on the two second installations trunnion 413, described 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 around first gripper cylinder 41 output shaft and be pressed on the third edge downwards 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, pass through first fulcrum The lever principle of part 422 is pressed in the second end of first compression bar 421 downwards on the third edge 805, so that The first briquetting 423 positioned at the second end of first compression bar 421 cooperates with first cushion block 44 to clamp the third side Along 805 first part.

Second compressing member 43 is for will need to weld the first stud 811 on the medial surface of the left side baffle 803 Position (second part) is pressed outward to hold up part 45 with described first and cooperate, to clamp the second part.Wherein, described Two compressing members 43 include that first end (one end far from the rear-wheel bulge inner panel 800) passes through one the 4th link block and described first Compression bar 421 connect the second compression bar 431, set on second compression bar 431 second end and be located at the left side baffle 803 in 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 shape 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 vertical bar that matches of gradient.Second compression bar 431 is designed as T-bar or L shape bar, and makes the vertical section 431b For oblique vertical bar, in this way, can make the second briquetting 432 being installed on the vertical section 431b gradient and the left side The gradient of baffle 803 matches, and is capable of contacting 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, in the welding of the first stud 811 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 rear-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 rear-wheel bulge inner panel 800。

Described first, which holds up part 45, is set on first mounting blocks 40 position for being located at 431 lower section of the second compression bar 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 shape 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 rear-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 rear-wheel bulge rotational displacement First locating part 47, first locating part 47 include vertically set on the inside of first mounting blocks 40 and positioned 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, Difference is only that the setting position of second clamp structure is not identical, position for clamping third edge 805 is not identical, is It needs to weld the position of the second stud 812 on the left side baffle 803 for clamping, the first clamp structure is compared, due on a left side Need to weld third stud 813 on the lateral surface of side baffle 803, therefore the second clamp structure is increased for holding up the left side The third for needing to weld the position of third stud 813 on the lateral surface of baffle 803 holds up part 57.

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 second second abdomen frame 22.Second clamp structure includes being set to second second abdomen frame Structure or function on 22 and the same or similar second mounting blocks 51 of 40 structure or function of the first mounting blocks, be set to it is described Structure or function on the outside of second mounting blocks 51 and the structure or function of first gripper cylinder 41 are the same or similar 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 to weld the second stud 812 position part, claim Part III) third compressing member 53 (structure or function 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 Need to weld the 54 (structure or function and described second of the 4th compressing member at the position (claiming Part IV) of the second stud 812 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 cooperate With clamp 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), on second mounting blocks 51 for holding up on the lateral surface of the left side baffle 803 corresponding to Part IV Second hold up part 56 (structure or function and it is described first hold up part 45 structure or function it is same or similar), second support Part 56 and the 4th compressing member 54 is played to cooperate to clamp from opposite direction and need to weld the on the left side baffle 803 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 rear-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 the quantifier before other component corresponding change 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, setting 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 shape block 571 that the third, which holds up part 57, and described first One longitudinal block of L shape block 571 is fixed on second mounting blocks 51, and the lateral blocks of the first L shape block 571 are located at the left side The lateral surface of side baffle 803.It further includes being used in the lateral blocks of the first L shape 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 plays guiding role 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, Difference is only that the setting position of the third clamp structure is not identical, the clamping of third clamp structure be lower baffle plate 802 before Edge, third clamp structure is for clamping 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 The 5th compressing member 67 and the 4th that three clamp structures increase for clamping the 5th stud 815 holds 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 second second abdomen frame 22.Second clamp structure includes being set to 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 position that the medial surface (i.e. upper surface) for compressing the lower baffle plate 802 on part 63 needs to weld the 4th stud 814 (claims Part V) the 7th compressing member 64, on the third mounting blocks 61 with the 6th compressing member 63 cooperate to clamp The 4th cushion block (not shown go out) of the leading edge of the lower baffle plate 802, on second second abdomen frame 22 for holding in the palm 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 is described to need to weld from the opposite direction clamping lower baffle plate 802 to play part 66 and the 7th compressing member 64 mutual cooperation The position of 4th stud 814.Second clamp structure further includes described for compressing on the 6th compressing member 63 It 5th compressing member 67 at the position (claim Part VI) for needing to weld the 5th stud 815 on the medial surface of lower baffle plate 802 and sets In corresponding to the Part VI on the downside for holding up the lower baffle plate 802 on second second abdomen frame 22 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 rear-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 The structure or function for stating the second gripper cylinder 52 and the structure or function of first gripper cylinder 41 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 2nd L shape block 641 with And the third briquetting 642 set on the front end of the 2nd L shape 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 for being located at the front of the 7th compressing member 64 Place is set, the 5th compressing member 67 includes one connect by one the 5th link block 671 with the side of the 6th compressing member 63 Pressing member, the 4th briquetting 674 on the pressing member and be set to the 4th briquetting 674 on correspond to the lower baffle plate Need to weld the 4th guide block 675 at the position at the position of the 5th bolt on 802.The pressing member includes one the 3rd L shape Block 672 and one the 4th L shape block 673, the 3rd L shape 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 shape 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 of 4th clamp structure and the structure or function of first clamp structure are same or similar, 4th clamp structure is set to the right lateral side of the mounting rack 2, specifically set on the right side of the second crossbar 202 of the mounting rack 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 be set to the second crossbar 202 on the 4th mounting blocks 71, 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 on the bottom surface of mouth corresponding to the 6th cushion block 74 at the position of the 8th compressing member 73 Close to clamp the Part VII), 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 is moved down Position can prevent the 8th compressing member 73 from excessively pushing and damaging the rear-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 The structure or function for stating the 4th gripper cylinder 72 and the structure or function of first gripper cylinder 41 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 first cushion block 44 structure or function it is same or similar, just no longer repeat one by one herein.

4th clamp structure of the present embodiment and first clamp structure be not identical or dissimilar place is:

4th compression bar of the 8th compressing member 73 is T-shaped, and the 4th compression bar of T shape 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 rear-wheel bulge inner panel 800.The third cross bar 731 is pivotally connected In on the output shaft of the 4th gripper cylinder 72, on the length direction of the third vertical pole 732 and the third edge 805 Part VII direction matches, positioned 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 rear-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 mutual snap fits of the 5th briquetting 733, to clamp 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 shape block 751 at the position at the position of the 6th stud 816, the on the 5th L shape block 751 the 4th Tray 752 and the 5th guide block 753 on the 4th tray 752.One end of the 5th L shape block 751 and described the The connection of four mounting blocks 71, the one side close to the rear-wheel bulge inner panel 800 install 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 first clamp structure or phase Seemingly, the 5th clamp structure is set to the forward right side of the mounting rack 2, specifically set on the first crossbar 201 of the mounting rack Right end corresponding to the right-hand apron 804 lateral surface on need to weld the 7th stud part position at.5th folder Holding structure includes the 5th mounting blocks 91 in the second crossbar 202, the 5th folder on the 5th mounting blocks 91 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 clamp 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 baffle 804 and holds up part 95.Likewise, described Five clamp structures further include the 5th limited block 96 (not shown go out) 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 being located at the 4th supporting point part of 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 from excessively pushing 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 The structure or function for stating the 5th gripper cylinder 92 and the structure or function of first gripper cylinder 41 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 and first clamp structure be not identical 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 shape block 951 at the position at the position of the 7th stud 817, being connect with the 6th L shape block 951 Shape block 952, the 8th L shape block 953 being connect with the 7th L shape block 952, the 5th tray being connect with the 8th L shape block 953 954 and the 6th guide block 955 set on the upper end of the 5th tray 954.The 6th L shape block 951 and the 7th L shape block 952 It is in " people " shape after connection.The lateral part of the 6th L shape block 951 is set to the one side of the 5th mounting blocks 91, and described the The lateral part of the vertical section of six L shape blocks 951 and the 6th L shape block 951, which is bent, to be connected, and the 7th L shape block 952 erects It is connect to part with the vertical section of the 6th L shape block 951, the lateral part of the 7th L shape block 952 is to far from described the The direction of six L shape blocks 951 extends to form, the lateral part of the 8th L shape block 953 and the transverse part of the 7th L shape block 952 The lower surface connection divided, the vertical section of the 8th L shape block 953 upwardly extend.5th tray 954 is connected to described The medial surface of the vertical section of eight L shape 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 rear-wheel bulge rotational displacement Second locating part 97, second locating part 97 include vertically set on the inside of the 5th mounting blocks 91 and positioned 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 rear-wheel bulge inner panel stud welding fixture of the utility model is needed when welding the rear-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 rear-wheel bulge inner panel 800, then the rear-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 rear-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 arranged on compression bar, it is another when the compression bar of clamp structure pushes Pressing member also pushes therewith, to cooperate with corresponding tray with to needing the position of welding screw to be held up, fixed and pressed from both sides Tight effect, in this way in welding screw, needs the position of welding screw not move easily on the rear-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 two sides of left frame 10 and left side frame Position limiting structure is overturn, make the first cylinder 316 can therewith by the cooperation of ratch 317 and gear 319 in state obliquely The mounting rack 2 of connection can overturn or turn over forward, main limit after overturning to predetermined angular, set on 2 left side of mounting rack Bit architecture and structure and first is limited set on the first of 2 left end of mounting rack is limited structure, enable to the mounting rack 2 to be in Two heeling conditions, convenient for the medial surface and lateral surface progress stud to the rear-wheel bulge inner panel being installed on the mounting rack 2 Welding.The structure of this rear-wheel bulge inner panel stud welding fixture is simple, and each group of clamp structure only needs a cylinder The position for needing to weld can be consolidated again by clamping rear-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.

The above is only the embodiments of the present invention, and therefore it does not limit the scope of the patent of the utility model, all benefits 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 also included in the patent protection scope of the utility model.

Claims (7)

1. a kind of rear-wheel bulge inner panel stud welding fixture, for clamping rear-wheel bulge inner panel, including fixture includes a left frame, one Left side frame, the mounting rack between the left frame and left side frame, it is characterised in that: further include being set to the left frame and the right side Connect on side frame and with the both ends of the mounting rack with can drive the mounting rack around center line overturning and can be in institute It states after mounting rack overturning the overturning position limiting structure that is limited and one is set on the mounting rack to clamp the rear-wheel bulge The clamping device of inner panel；The overturning position limiting structure includes 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 include the right connector being connect with the right end of the mounting rack, The first axle bed at the top of the left side frame is arranged on first axle bed and master that left end is connect with the right connector Rotation axis connect driving knot to drive main rotary shaft rotation in the left side frame and with the main rotary shaft right end Structure；It is described from overturning structure include the left connector being connect with the left end of the mounting rack, the at the top of the left frame Two axle beds and it is arranged in the slave rotation axis that on second axle bed and right end is connect with the left connector.

2. rear-wheel bulge inner panel stud welding fixture as described in claim 1, it is characterised in that: the driving structure is fixed on institute The lateral surface of left side frame is stated, the driving structure includes being fixed on the lateral surface of the left side frame by a first fixed structure The first cylinder, with the upward of the output axis connection of first cylinder and the ratch to turn forward, for the ratch to be consolidated It is due to the second fixed structure on the lateral surface of the left side frame and on the main rotary shaft and ratcheting with the ratch Gear.

3. rear-wheel bulge inner panel stud welding fixture as claimed in claim 2, it is characterised in that: the main overturning structure further includes The upper end for the ratch on second fixed structure is contained in accepting box therein, the direction on the accepting box The one side of the gear offers an elongated chamber exposed for the ratch along the length direction of the ratch, the elongated chamber Length and the outer diameter of the gear match, and the gear is ratcheting by the elongated chamber and exposed ratch；The elongated chamber Top there are the circular perforations to match with the ratch, it is described for limiting that the top of the elongated chamber is provided with one The locating part that the top of ratch is pierced by upwards, the locating part include set on the upper of one side of the elongated chamber far from the gear The fixed link at end and the gag lever post being extend horizontally away from the upper end of the fixed link to the axis direction of the elongated chamber, it is described Gag lever post is higher than the top end face of the elongated chamber.

4. rear-wheel bulge inner panel stud welding fixture as described in claim 1, it is characterised in that: the position limiting structure includes being set to The master is corresponded to from the main position limiting structure of overturning structure back side, set on the mounting rack described in being located at the top of the left frame First at the position of position limiting structure is limited structure and second is limited knot set on the front side of the left end of the mounting rack Structure.

5. rear-wheel bulge inner panel stud welding fixture as claimed in claim 4, it is characterised in that: the main position limiting structure is second Cylinder, for the output shaft of second cylinder towards the left side frame direction, described first is limited structure including being set to the peace The rear side for the left end shelved and the first position-limiting drum that can be aligned with the output shaft of second cylinder, described first is limited knot Structure can be with second cylinder after including the front side set on the left end of the mounting rack and overturning with the main overturning structure Second position-limiting drum of output shaft alignment.

6. rear-wheel bulge inner panel stud welding fixture as described in claim 1, it is characterised in that: the rear-wheel bulge inner panel has Rear baffle, the lower baffle plate extended to form forward by the lower end of the rear baffle are connect with the left side edge of rear baffle and lower baffle plate Left side baffle and the right-hand apron that is connect with the right side edge of the rear baffle and lower baffle plate, the rear baffle, lower baffle plate, Left side baffle and right-hand apron are integrally formed, the equal bent outward in the top edge of the rear baffle, left side baffle and right-hand apron Folding is to form a third edge；It is needed at the position of front end on the medial surface of the left side baffle of the rear-wheel bulge inner panel The first stud is welded, needs to weld the at the position of rear end on the medial surface of the left side baffle of the rear-wheel bulge inner panel Two studs need at the back lower place position of the second stud to be welded on the lateral surface of the left side baffle of rear-wheel bulge inner panel Third stud is welded, needs to weld the 4th stud and the 5th spiral shell at the left front side position of the lower baffle plate of rear-wheel bulge inner panel Column, the 4th stud and the 5th stud are adjacent, close to the position of rear end on the lateral surface of the right-hand apron of rear-wheel bulge inner panel The place of setting needs to weld the 6th stud, is located in front of the 6th stud on the lateral surface that the right side of the rear-wheel bulge inner panel is kept off Position need to weld the 7th stud；

The clamping device includes being corresponded at the position at the position for needing to weld first stud on the mounting rack The first clamp structure, on the mounting rack corresponding to the position at the position that needs to weld the second stud and third stud at The second clamp structure, on the mounting rack corresponding to the position at the position that needs to weld the 4th stud and the 5th stud at Third clamp structure, on the mounting rack corresponding to the 4th clamping at the position at the position that needs to weld the 6th stud Structure and on the mounting rack corresponding to the 5th clamp structure at the position at the position that needs to weld the 7th stud.

7. rear-wheel bulge inner panel stud welding fixture as claimed in claim 6, it is characterised in that: first clamp structure to Five clamp structures include the mounting blocks corresponded at the position at the position for needing to weld corresponding stud on mounting rack, are set to institute It states the gripper cylinder upward of the output shaft on mounting blocks, the corresponding of the third edge can be compressed set on the gripper cylinder Compressing member I at position, the pressure for being used to compress the position for needing to weld corresponding stud on medial surface on the compressing member Tight part II, cooperating with the compressing member I to clamp the cushion block at the third edge, be set to the peace on the mounting blocks The picking-up part for being used to hold up the part on lateral surface corresponding to the position for needing to weld corresponding stud on dress block, the picking-up part It cooperates to the compressing member I to clamp the position for needing to weld corresponding stud from opposite direction.