CN112894189A - Assembly welding device - Google Patents
Assembly welding device Download PDFInfo
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- CN112894189A CN112894189A CN202110138214.5A CN202110138214A CN112894189A CN 112894189 A CN112894189 A CN 112894189A CN 202110138214 A CN202110138214 A CN 202110138214A CN 112894189 A CN112894189 A CN 112894189A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K31/00—Processes relevant to this subclass, specially adapted for particular articles or purposes, but not covered by only one of the preceding main groups
- B23K31/02—Processes relevant to this subclass, specially adapted for particular articles or purposes, but not covered by only one of the preceding main groups relating to soldering or welding
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
- B23K37/04—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work
- B23K37/0426—Fixtures for other work
- B23K37/0435—Clamps
- B23K37/0443—Jigs
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K2101/00—Articles made by soldering, welding or cutting
- B23K2101/006—Vehicles
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- Butt Welding And Welding Of Specific Article (AREA)
Abstract
The invention provides an assembly welding device which is used for assembly welding operation of an end plate in the middle of a vehicle body underframe, and the assembly welding device comprises a fixed base, a first movable frame, a second movable frame and a third movable frame, wherein the first movable frame is arranged on the fixed base, a first movable adjusting mechanism is arranged between the first movable frame and the fixed base, the second movable frame is arranged on the first movable frame, a second movable adjusting mechanism is arranged between the second movable frame and the first movable frame, the third movable frame is arranged on the second movable frame, and a third movable adjusting mechanism is arranged between the third movable frame and the second movable frame. The assembly welding device provided by the invention can meet the integral assembly and welding requirements of the middle end plate of the underframe of the car body, is flexible to move, simple and convenient to operate, stable and reliable in assembly welding process, improves the working efficiency and reduces the production labor intensity.
Description
Technical Field
The invention relates to the technical field of welding equipment, in particular to a combined welding device.
Background
Automobile body chassis middle part end plate structure is as "fish belly formula" rail vehicle's major structure spare, by last, two blocks of section bars splice welding down form, its overall structure has certain inclination and splice welding back quality great with vertical direction, consequently when assembling the welding with tip chassis crossbeam, not only need carry out whole support to end plate slope structure, still need satisfy the grafting equipment demand of middle part end plate structure and tip chassis crossbeam structure simultaneously, consequently, need consider the great middle part end plate of quality removal flexibility on strutting arrangement, that is, overall structure need possess simultaneously around on strutting arrangement, control, the multiaxis mobility in perpendicular space.
At present, an assembly welding device specially aiming at the assembly welding operation of the middle end plate of the underframe of the car body does not exist. In prior art, the assembly welding operation of vehicle body chassis middle part end plate is carried out mainly to the manual work that adopts and removes overall structure or adopts the handling removal mode, has the problem of operation difficulty wherein when adopting the manual work to remove overall structure, has the operation unstability when adopting the handling removal mode, the problem of inefficiency.
Disclosure of Invention
The invention provides an assembly welding device which can meet the integral assembly and welding requirements of an end plate in the middle of a vehicle chassis, is flexible to move, simple and convenient to operate, stable and reliable in assembly welding process and improves working efficiency.
The invention provides an assembly welding device, which is used for the assembly welding operation of a middle end plate of a vehicle body chassis, and comprises:
a fixed base;
the first moving frame is arranged on the fixed base, and a first moving adjusting mechanism is arranged between the first moving frame and the fixed base so that the first moving frame can move on the fixed base along a horizontal first direction;
the second moving frame is arranged on the first moving frame, and a second moving adjusting mechanism is arranged between the second moving frame and the first moving frame so that the second moving frame can move on the first moving frame along a horizontal second direction;
and the third moving frame is arranged on the second moving frame, and a third moving adjusting mechanism is arranged between the third moving frame and the second moving frame so that the third moving frame can move on the second moving frame along the vertical direction.
According to the assembling and welding device provided by the invention, the fixed base comprises a fixed supporting frame which is horizontally arranged and supporting legs which are arranged at the bottom of the fixed supporting frame; an inclined reinforcing plate is connected between the fixed supporting frame and the supporting leg.
According to the assembling and welding device provided by the invention, the first movable frame comprises a first supporting frame which is horizontally arranged, and the first supporting frame is arranged above the fixed supporting frame.
According to the assembling and welding device provided by the invention, the first movement adjusting mechanism comprises a first limiting mechanism, the first limiting mechanism comprises a first slide rail arranged on the fixed supporting frame and a first slide block arranged on the first supporting frame, the first slide rail extends along the horizontal first direction, and the first slide block is in sliding fit with the first slide rail.
According to the assembly welding device provided by the invention, the first movable adjusting mechanism further comprises an adjusting mechanism, the adjusting mechanism comprises a screw rod and a sliding nut in threaded fit with the screw rod, the screw rod is arranged on the fixed supporting frame and extends along the horizontal first direction, and the sliding nut is fixedly connected with the first supporting frame through a fixing plate; and an adjusting hand wheel is arranged at one end of the screw rod.
According to the assembling and welding device provided by the invention, the second movable frame comprises a second supporting frame and a third supporting frame, wherein the second supporting frame is horizontally arranged, the third supporting frame is arranged above the second supporting frame, and the second supporting frame is arranged above the first supporting frame; a plurality of first profile supporting plates which are obliquely arranged are connected to the first sides of the second supporting frame and the third supporting frame, and a first profile bearing part is arranged at the bottom of each first profile supporting plate; and a plurality of vertically arranged first connecting plates are connected to the second sides of the second supporting frame and the third supporting frame.
According to the assembly welding device provided by the invention, the second movement adjusting mechanism comprises a second limiting mechanism, the second limiting mechanism comprises a second slide rail arranged on the first supporting frame and a second slide block arranged on the second supporting frame, the second slide rail extends along the horizontal second direction, and the second slide block is in sliding fit with the second slide rail.
The assembly welding device further comprises a first pressing positioning part, the first pressing positioning part comprises a first connecting screw rod and a first positioning pressure head, the second supporting frame is provided with a first screw hole in threaded fit with the first connecting screw rod, and one end of the first connecting screw rod penetrates through the first screw hole to be connected with the first positioning pressure head, so that the positioning end face of the first positioning pressure head faces the upper surface of the first supporting frame; the other end of the first connecting screw rod is provided with a first operating rod, and the first operating rod is vertically connected with the first connecting screw rod.
According to the assembling and welding device provided by the invention, the third movable frame comprises a horizontally arranged fourth supporting frame and a horizontally arranged fifth supporting frame, the fifth supporting frame is arranged above the fourth supporting frame, and the fourth supporting frame is arranged above the third supporting frame; a plurality of second profile supporting plates which are obliquely arranged are connected to the first sides of the fourth supporting frame and the fifth supporting frame, and the second profile supporting plates and the first profile supporting plates are respectively positioned on the same oblique plane; and a plurality of second connecting plates which are vertically arranged are connected to the second sides of the fourth supporting frame and the fifth supporting frame.
According to the assembly welding device provided by the invention, the third movement adjusting mechanism comprises a third limiting mechanism and a driving mechanism, the third limiting mechanism comprises a guide shaft arranged on the third moving frame and a guide sleeve arranged on the second moving frame, and the guide shaft is slidably sleeved in the guide sleeve; the axial direction of the guide shaft and the axial direction of the guide sleeve are respectively consistent with the length extension direction of the second profile supporting plate;
the driving mechanism comprises a jack, the fixed end of the jack is fixedly connected with the second movable frame, and the driving end of the jack is fixedly connected with the third movable frame; the moving direction of the driving end of the jack is consistent with the length extending direction of the second profile supporting plate.
The assembling and welding device further comprises a plurality of pressing mechanisms, wherein the pressing mechanisms are arranged at intervals along the length direction of the third movable frame; each hold-down mechanism all includes mounting panel, cantilever support pole and second and compresses tightly the setting element, the mounting panel with the second side fixed connection of fifth carriage, the cantilever support pole is the opening orientation the U-shaped structure of fifth carriage, the one end of cantilever support pole with the mounting panel links to each other, the other end of cantilever support pole with the second compresses tightly the setting element and links to each other.
According to the assembling and welding device provided by the invention, the second pressing and positioning part comprises a second connecting screw rod and a second positioning pressure head, the cantilever supporting rod is provided with a second screw hole in threaded fit with the second connecting screw rod, and one end of the second connecting screw rod penetrates through the second screw hole to be connected with the second positioning pressure head so that the positioning end surface of the second positioning pressure head faces the second profile supporting plate; and a second operating rod is arranged at the other end of the second connecting screw rod and is vertically connected with the second connecting screw rod.
According to the assembling and welding device provided by the invention, the mounting plate is respectively provided with the connecting shaft and the fixing pins, the connecting shaft and the fixing pins are arranged at intervals along the height direction of the mounting plate, the cantilever supporting rod is rotatably connected with the mounting plate through the connecting shaft, and the cantilever supporting rod is detachably connected with the mounting plate through the fixing pins.
The invention provides an assembly welding device, which is used for assembly welding operation of an end plate in the middle of a vehicle body underframe, and comprises a fixed base, a first movable frame, a second movable frame and a third movable frame, wherein the third movable frame, the second movable frame, the first movable frame and the fixed base are sequentially arranged from top to bottom, a first movement adjusting mechanism is arranged between the first movable frame and the fixed base so that the first movable frame can move on the fixed base along a horizontal first direction, a second movement adjusting mechanism is arranged between the second movable frame and the first movable frame so that the second movable frame can move on the first movable frame along a horizontal second direction, and a third movement adjusting mechanism is arranged between the third movable frame and the second movable frame so that the third movable frame can move on the second movable frame along a vertical direction. When the automobile end plate fixing device is used, the second moving frame is used for supporting a first section bar of a middle end plate of a fixed automobile body chassis, the third moving frame is used for supporting a second section bar of the middle end plate of the fixed automobile body chassis, thereby facilitating the realization of the welding fixation between the first section bar and the second section bar, after the welding between the first section bar and the second section bar is formed into a middle end plate overall structure, the middle end plate overall structure needs to be spliced and fixed with an end chassis beam structure, at the moment, the second moving adjusting mechanism and the third moving adjusting mechanism are adjusted, the position of the middle end plate overall structure can be adjusted, and further facilitating the realization of the positioning splicing and the welding fixation of the middle end plate overall structure and the end chassis beam structure. Therefore, the assembly welding device provided by the invention can meet the integral assembly and welding requirements of the middle end plate of the underframe of the car body, is flexible to move, simple and convenient to operate, stable and reliable in assembly welding process, improves the working efficiency and reduces the production labor intensity.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
In order to more clearly illustrate the technical solutions of the present invention or the prior art, the drawings needed for the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and those skilled in the art can also obtain other drawings according to the drawings without creative efforts.
FIG. 1 is a schematic front view of an assembly welding device according to the present invention;
FIG. 2 is a schematic view of a back structure of the assembly welding device provided by the present invention;
FIG. 3 is a schematic side view of the assembly welding apparatus provided in the present invention;
FIG. 4 is an isometric view of a welding apparatus provided by the present invention;
FIG. 5 is a schematic view of the first movement adjusting mechanism according to the present invention;
FIG. 6 is a schematic structural view of a second limiting mechanism according to the present invention;
FIG. 7 is a side view of the first and second profiles of the present invention after installation;
figure 8 is an isometric view of the first and second profiles of the present invention after installation.
Reference numerals:
1: a fixed base; 101: fixing the support frame; 102: supporting legs;
103: an inclined reinforcing plate; 104: a fixing leg; 2: a first movable frame;
201: a first support frame; 3: a second movable frame; 301: a second support frame;
302: a third support frame; 303: first profile support 304: a first connecting plate; a plate;
305: a first profile support; 4: a third movable frame; 401: a fourth support frame;
402: a fifth support frame; 403: second profile support 404: a second connecting plate; a plate;
5: a first profile; 6: a second profile; 7: a first limit mechanism;
701: a first slide rail; 702: a first slider; 8: an adjustment mechanism;
801: a screw rod; 802: a sliding nut; 803: a fixing plate;
804: adjusting a hand wheel; 9: a second limiting mechanism; 901: a second slide rail;
902: a second slider; 10: a first pressing positioning piece; 1001: a first connecting screw;
1002: a first positioning pressure head; 1003: a first operating lever; 11: a third limiting mechanism;
1101: a guide shaft; 1102: a guide sleeve; 12: a drive mechanism;
13: a hold-down mechanism; 1301: mounting a plate; 1302: a cantilever support bar;
1303: a second connecting screw; 1304: a second positioning pressure head; 1305: a second operating lever;
1306: a connecting shaft; 1307: and fixing the pin.
Detailed Description
The embodiments of the present invention will be described in further detail with reference to the drawings and examples. The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.
In the description of the embodiments of the present invention, it should be noted that the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience in describing the embodiments of the present invention and simplifying the description, but do not indicate or imply that the referred devices or elements must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the embodiments of the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the embodiments of the present invention, it should be noted that, unless explicitly stated or limited otherwise, the terms "connected" and "connected" are to be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. Specific meanings of the above terms in the embodiments of the present invention can be understood in specific cases by those of ordinary skill in the art.
In embodiments of the invention, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through intervening media. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of an embodiment of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.
A specific embodiment of the assembly welding apparatus of the present invention is described below with reference to fig. 1 to 8.
The assembly welding device provided by the embodiment of the invention is used for assembly welding operation of an end plate in the middle of a vehicle body underframe, and comprises a fixed base 1, a first movable frame 2, a second movable frame 3 and a third movable frame 4, wherein the first movable frame 2 is arranged on the fixed base 1, and a first movement adjusting mechanism is arranged between the first movable frame 2 and the fixed base 1, so that the first movable frame 2 can move on the fixed base 1 along a horizontal first direction.
The second moving frame 3 is provided on the first moving frame 2, and a second movement adjusting mechanism is provided between the second moving frame 3 and the first moving frame 2 so that the second moving frame 3 can move on the first moving frame 2 in a horizontal second direction.
The third moving frame 4 is disposed on the second moving frame 3, and a third movement adjusting mechanism is provided between the third moving frame 4 and the second moving frame 3, so that the third moving frame 4 can move in the vertical direction on the second moving frame 3.
That is, the third movable frame 4, the second movable frame 3, the first movable frame 2 and the fixed base 1 are sequentially arranged from top to bottom, the horizontal first direction is set to be the front-back direction, the horizontal second direction is the left-right direction, the vertical direction is the up-down direction, wherein the fixed base 1 is used for being fixed on the ground, the first movable frame 2 can be moved back and forth relative to the fixed base 1 by the first movable adjusting mechanism, the second movable frame 3 can be moved left and right relative to the first movable frame 2 by the second movable adjusting mechanism, and the third movable frame 4 can be moved up and down relative to the second movable frame 3 by the third movable adjusting mechanism.
Wherein, the middle end plate is formed by welding a first section bar 5 and a second section bar 6. When using, the second removes frame 3 and is used for supporting the first section bar 5 of middle part end plate, and the third removes frame 4 and is used for supporting the second section bar 6 of middle part end plate to be convenient for realize the welded fastening between first section bar 5 and the second section bar 6, treat between first section bar 5 and the second section bar 6 after the welding forms middle part end plate overall structure, need peg graft fixedly with tip chassis beam structure. Since the end underframe cross beam structure is fixed by tack welding before the first section bar 5 and the second section bar 6 are tailor welded, the position of the end underframe cross beam structure is fixed. Therefore, in order to realize the assembly and welding installation of the central end plate overall structure and the end underframe cross beam structure, the central end plate overall structure needs to be finely adjusted and moved back and forth, left and right, and up and down according to the existing position of the end underframe cross beam structure. At the moment, the position of the integral structure of the middle end plate can be adjusted by adjusting the first movable adjusting mechanism, the second movable adjusting mechanism and the third movable adjusting mechanism, so that the integral structure of the middle end plate and the cross beam structure of the end underframe can be conveniently positioned, spliced and welded and fixed.
Therefore, the assembly welding device provided by the embodiment of the invention can meet the integral assembly and welding requirements of the middle end plate of the underframe of the car body, is flexible to move, simple and convenient to operate, stable and reliable in assembly welding process, improves the working efficiency and reduces the production labor intensity.
In some embodiments of the present invention, the stationary base 1 includes a stationary supporting frame 101 disposed horizontally and four supporting legs 102 disposed at the bottom of the stationary supporting frame 101. An inclined reinforcing plate 103 is connected between each support leg 102 and the fixed support frame 101, respectively, for improving the structural strength of the fixed base 1.
Wherein, the bottom of each supporting leg 102 is provided with a fixing foot 104 respectively, and each fixing foot 104 is fixed with the ground through an expansion bolt respectively.
In some embodiments of the present invention, the first moving frame 2 includes a horizontally disposed first supporting frame 201, and the first supporting frame 201 is disposed above the fixed supporting frame 101. When the longitudinal direction of the fixed support frame 101 is set to the left-right direction and the width direction of the fixed support frame 101 is set to the front-rear direction, the first support frame 201 can move forward and backward with respect to the fixed support frame 101 by the first movement adjusting mechanism.
Specifically, the first movement adjusting mechanism includes a first limiting mechanism 7, the first limiting mechanism 7 includes a first slide rail 701 disposed on the fixed support frame 101 and a first slide block 702 disposed on the first support frame 201, and the first slide block 702 is in sliding fit with the first slide rail 701. The first slide rail 701 extends along a horizontal first direction, that is, the first slide rail 701 extends along a width direction of the fixed support frame 101, so as to ensure that the first support frame 201 can move back and forth relative to the fixed support frame 101.
In order to ensure the movement stability of the first support frame 201, two first limiting mechanisms 7 parallel to each other may be disposed between the fixed support frame 101 and the first support frame 201.
Further, the first movement adjusting mechanism further includes an adjusting mechanism 8, the adjusting mechanism 8 includes a screw 801 and a sliding nut 802 in threaded fit with the screw 801, wherein the screw 801 is mounted on the fixed supporting frame 101, the screw 801 extends along the horizontal first direction, and the sliding nut 802 is fixedly connected with the first supporting frame 201 through the fixing plate 803. An adjusting hand wheel 804 is arranged at one end of the screw rod 801. That is, the adjusting hand wheel 804 can be rotated to drive the screw rod 801 to rotate, so as to drive the sliding nut 802 to move back and forth along the screw rod 801, and further drive the first supporting frame 201 to move back and forth relative to the fixed supporting frame 101.
In some embodiments of the present invention, the second moving frame 3 includes a second support frame 301 disposed horizontally and a third support frame 302 disposed horizontally, wherein the third support frame 302 is disposed above the second support frame 301, and the second support frame 301 is disposed above the first support frame 201. The two opposite sides of the second movable frame 3 along the length direction are respectively set as a first side and a second side, a plurality of first profile supporting plates 303 which are obliquely arranged are connected to the first sides of the second supporting frame 301 and the third supporting frame 302, and a plurality of first connecting plates 304 which are vertically arranged are connected to the second sides of the second supporting frame 301 and the third supporting frame 302, so that the second movable frame 3 forms a right-angled trapezoid frame.
The second movable frame 3 supports the first section bar 5 through the inclined side surface where each first section bar support plate 303 is located, so as to be matched with the inclined structure of the first section bar 5.
A first profile support 305 is provided at the bottom of each first profile support plate 303, and is used for supporting the first profile 5, so that the first profile 5 can be supported and fixed on the second mobile frame 3 in an inclined manner.
In order to ensure the stable support of the first section bar 5 on the second movable frame 3, a plurality of first supporting cushion plates are arranged on the side of each first section bar supporting plate 303, which is back to the first connecting plate 304, and the first supporting cushion plates can be made of rubber plates or nylon plates, so that the friction force between the first section bar 5 and the second movable frame 3 is increased, the supporting and fixing effect is enhanced, and the surface of the first section bar 5 can be protected and prevented from abrasion.
In some embodiments of the present invention, the second movement adjusting mechanism includes a second limiting mechanism 9, the second limiting mechanism 9 includes a second sliding rail 901 disposed on the first supporting frame 201 and a second sliding block 902 disposed on the second supporting frame 301, and the second sliding block 902 is slidably engaged with the second sliding rail 901. The second slide rail 901 extends along a horizontal second direction, that is, the second slide rail 901 extends along a length direction of the first support frame 201, so as to ensure that the second support frame 301 can move left and right relative to the first support frame 201.
In order to ensure the moving stability of the second supporting frame 301, two sets of second limiting mechanisms 9 may be disposed between the second supporting frame 301 and the first supporting frame 201, the two sets of second limiting mechanisms 9 are disposed at intervals along the length direction of the first supporting frame 201, and each set of second limiting mechanisms 9 respectively includes two second sliding rails 901, and the two second sliding rails 901 are disposed at intervals along the width direction of the first supporting frame 201.
In some embodiments of the present invention, the assembly welding device further includes a first pressing and positioning element 10, the first pressing and positioning element 10 includes a first connecting screw 1001 and a first positioning ram 1002, the second supporting frame 301 is provided with a first screw hole in threaded fit with the first connecting screw 1001, and one end of the first connecting screw 1001 passes through the first screw hole to be connected with the first positioning ram 1002, so that a positioning end surface of the first positioning ram 1002 faces the upper surface of the first supporting frame 201. When the second supporting frame 301 needs to be adjusted to move left and right relative to the first supporting frame 201, the first connecting screw 1001 is loosened, so that the positioning end face of the first positioning pressure head 1002 is separated from the upper surface of the first supporting frame 201. After the position adjustment between the second support frame 301 and the first support frame 201 is completed, the first connecting screw 1001 is tightened to press the positioning end face of the first positioning ram 1002 against the upper surface of the first support frame 201, so that the position of the second support frame 301 in the left-right direction is defined under the action of friction force.
Wherein, can set up first compact heap at the location terminal surface of first location pressure head 1002, this first compact heap can adopt rubber piece or nylon piece to strengthen the frictional resistance between first location pressure head 1002 and the first carriage 201, and then improve the first location effect that compresses tightly of setting element 10.
A first operating rod 1003 may be disposed at the other end of the first connecting screw 1001, and the first operating rod 1003 is perpendicularly connected to the first connecting screw 1001, so as to facilitate rotation adjustment of the first connecting screw 1001.
In some embodiments of the present invention, the third moving frame 4 includes a horizontally disposed fourth supporting frame 401 and a horizontally disposed fifth supporting frame 402, the fifth supporting frame 402 is disposed above the fourth supporting frame 401, and the fourth supporting frame 401 is disposed above the third supporting frame 302. The two opposite sides of the third moving frame 4 along the length direction are respectively set as a first side and a second side, a plurality of second profile supporting plates 403 arranged obliquely are connected to the first sides of the fourth supporting frame 401 and the fifth supporting frame 402, and each second profile supporting plate 403 and each first profile supporting plate 303 are respectively located on the same inclined plane. A plurality of second connection plates 404 vertically disposed are connected to second sides of the fourth and fifth support frames 401 and 402, so that the third moving frame 4 forms a right trapezoid frame.
The third movable frame 4 is adapted to the inclined structure of the second profile 6 through the inclined side surface where each second profile supporting plate 403 is located, and the third movable frame 4 supports the horizontal structure of the second profile 6 through the fifth supporting frame 402.
In order to ensure that the second section bar 6 is stably supported on the third movable frame 4, a second supporting base plate is respectively arranged on the fifth supporting frame 402 and each second section bar supporting plate 403, and the second supporting base plate can adopt a rubber plate or a nylon plate, so that the friction force between the second section bar 6 and the third movable frame 4 is increased, the effect of supporting and fixing is enhanced, and the surface of the second section bar 6 can be protected to prevent abrasion.
In some embodiments of the present invention, the third movement adjusting mechanism comprises a third limiting mechanism 11 and a driving mechanism 12, wherein the third limiting mechanism 11 comprises a guide shaft 1101 mounted on the third moving frame 4 and a guide sleeve 1102 mounted on the second moving frame 3, wherein the guide shaft 1101 is slidably sleeved in the guide sleeve 1102. The axial direction of the guide shaft 1101 and the axial direction of the guide sleeve 1102 are respectively consistent with the length extending direction of the second profile supporting plate 403, so that the third moving frame 4 can be ensured to obliquely move up and down along the length extending direction of the second profile supporting plate 403, and further the first profile 5 of the middle end plate overall structure can be always contacted with the first profile supporting plate 303 in the moving process, and the stability of the moving process is ensured.
Specifically, the driving mechanism 12 includes a jack, a fixed end of which is connected and fixed to the second moving frame 3, and a driving end of which is connected and fixed to the third moving frame 4. And the moving direction of the driving end of the jack coincides with the length extending direction of the second profile support plate 403. That is, the third moving frame 4 can be driven to perform the inclined up and down movement in the length extending direction of the second profile support plate 403 by the jack.
In some embodiments of the present invention, the group welding device further includes a plurality of pressing mechanisms 13, the plurality of pressing mechanisms 13 are disposed at intervals along the length direction of the third movable frame 4, and the second profile 6 can be pressed and fixed by each pressing mechanism 13, so that the second profile 6 is stably supported on the third movable frame 4.
Each pressing mechanism 13 includes a mounting plate 1301, a cantilever support rod 1302, and a second pressing positioning element, the mounting plate 1301 is fixedly connected to the second side of the fifth support frame 402, the cantilever support rod 1302 is a U-shaped structure with an opening facing the fifth support frame 402, one end of the cantilever support rod 1302 is connected to the mounting plate 1301, and the other end of the cantilever support rod 1302 is connected to the second pressing positioning element.
Specifically, the second pressing and positioning element includes a second connecting screw 1303 and a second positioning pressing head 1304, the cantilever support rod 1302 is provided with a second screw hole in threaded fit with the second connecting screw 1303, and one end of the second connecting screw 1303 passes through the second screw hole to be connected with the second positioning pressing head 1304, so that the positioning end face of the second positioning pressing head 1304 faces the second profile support plate 403. Through rotation regulation second connecting screw 1303, can adjust the interval between second location pressure head 1304 and the second section bar 6, and then realize compressing tightly fixedly to second section bar 6.
When first section bar 5 and second section bar 6 need be welded, adjust second connecting screw 1303 to the location end face that makes second location pressure head 1304 compresses tightly the surface of second section bar 6, thereby carries out spacing fixed to second section bar 6 under the effect of frictional force, reduces welding deformation.
Wherein, can set up the second compact heap at the location terminal surface of second location pressure head 1304, this second compact heap can adopt rubber block or nylon block to strengthen the frictional resistance between second location pressure head 1304 and the second section bar 6, and then improve the second and compress tightly the location effect that compresses tightly of setting element.
A second operating rod 1305 may be disposed at the other end of the second connecting screw 1303, and the second operating rod 1305 is perpendicularly connected to the second connecting screw 1303, so as to facilitate rotation adjustment of the second connecting screw 1303.
Specifically, a connecting shaft 1306 and a fixing pin 1307 are respectively mounted on the mounting plate 1301, the connecting shaft 1306 and the fixing pin 1307 are arranged at intervals along the height direction of the mounting plate 1301, wherein the cantilever support rod 1302 is rotatably connected with the mounting plate 1301 through the connecting shaft 1306, and the cantilever support rod 1302 is detachably connected with the mounting plate 1301 through the fixing pin 1307. That is, when the position of the cantilever support rod 1302 needs to be adjusted, the fixing pin 1307 is detached from the mounting plate 1301, and the cantilever support rod 1302 can be rotated backwards at this time, so that the second section bar 6 can be conveniently mounted on the third movable frame 4. After second section bar 6 is installed on third movable frame 4, cantilever bracing piece 1302 is rotated forward to make second location pressure head 1304 correspond the setting of second section bar 6, then connect mounting panel 1301 and cantilever bracing piece 1302 through fixed pin 1307, thereby realize the fixed to cantilever bracing piece 1302.
The operation process of the assembly welding device provided by the embodiment of the invention is as follows:
the fixing base 1 of the assembly welding device is fixed with the ground.
The first section bar 5 and the second section bar 6 of the middle end plate are respectively hoisted to the assembly welding device, when hoisting is carried out, the first section bar 5 is hoisted to be in contact with and supported by the first section bar supporting piece 305 at the bottom of the first section bar supporting plate 303, and then the second section bar 6 is hoisted to be inserted with the first section bar 5.
And then, the second section bar 6 is pressed and fixed by utilizing the pressing mechanisms 13, and then the weld seams on the front and the back sides between the first section bar 5 and the second section bar 6 are positioned and welded after the fixation.
After waiting first section bar 5 and 6 welding formation middle part end plate overall structure of second section bar, according to tip chassis beam structure's displacement, remove adjustment mechanism and third through adjusting first removal adjustment mechanism, second and remove adjustment mechanism and finely tune the removal to middle part end plate overall structure's position, after middle part end plate overall structure and tip chassis beam structure peg graft fixedly, fix a position through first setting element 10 that compresses tightly.
And then keeping the pressing mechanisms 13 in a pressing state, and welding the integral structure of the middle end plate and the cross beam structure of the end underframe.
Therefore, the assembly welding device provided by the embodiment of the invention can meet the assembly welding support of the middle end plate with a large mass and an inclined structure, simultaneously enables the integral structure of the middle end plate to have multi-axis movement capability of front and back, left and right, up and down, is flexible to move, meets the requirements of quick assembly and welding of the integral structure of the middle end plate and the cross beam structure of the end underframe, has the advantages of simplicity and convenience in operation, and stable and reliable assembly welding process, not only improves the working efficiency, but also reduces the production labor intensity.
Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (13)
1. The utility model provides an assembly welding device for the assembly welding operation of automobile body chassis middle part end plate, its characterized in that includes:
a fixed base;
the first moving frame is arranged on the fixed base, and a first moving adjusting mechanism is arranged between the first moving frame and the fixed base so that the first moving frame can move on the fixed base along a horizontal first direction;
the second moving frame is arranged on the first moving frame, and a second moving adjusting mechanism is arranged between the second moving frame and the first moving frame so that the second moving frame can move on the first moving frame along a horizontal second direction;
and the third moving frame is arranged on the second moving frame, and a third moving adjusting mechanism is arranged between the third moving frame and the second moving frame so that the third moving frame can move on the second moving frame along the vertical direction.
2. The assembly welding device according to claim 1, wherein the fixed base comprises a fixed supporting frame arranged horizontally and supporting legs arranged at the bottom of the fixed supporting frame; an inclined reinforcing plate is connected between the fixed supporting frame and the supporting leg.
3. The assembly welding device according to claim 2, wherein the first movable frame includes a horizontally disposed first support frame disposed above the fixed support frame.
4. The assembly welding device according to claim 3, wherein the first movement adjusting mechanism comprises a first limiting mechanism, the first limiting mechanism comprises a first slide rail arranged on the fixed support frame and a first slide block arranged on the first support frame, the first slide rail extends along the horizontal first direction, and the first slide block is in sliding fit with the first slide rail.
5. The assembly welding device according to claim 4, wherein the first movable adjusting mechanism further comprises an adjusting mechanism, the adjusting mechanism comprises a lead screw and a sliding nut in threaded fit with the lead screw, the lead screw is mounted on the fixed support frame, the lead screw extends along the horizontal first direction, and the sliding nut is fixedly connected with the first support frame through a fixing plate; and an adjusting hand wheel is arranged at one end of the screw rod.
6. The assembly welding device according to any one of claims 3 to 5, wherein the second moving frame includes a second support frame disposed horizontally and a third support frame disposed horizontally, the third support frame being disposed above the second support frame, the second support frame being disposed above the first support frame; a plurality of first profile supporting plates which are obliquely arranged are connected to the first sides of the second supporting frame and the third supporting frame, and a first profile bearing part is arranged at the bottom of each first profile supporting plate; and a plurality of vertically arranged first connecting plates are connected to the second sides of the second supporting frame and the third supporting frame.
7. The assembly welding device according to claim 6, wherein the second movement adjusting mechanism comprises a second limiting mechanism, the second limiting mechanism comprises a second slide rail disposed on the first support frame and a second slide block disposed on the second support frame, the second slide rail extends along the horizontal second direction, and the second slide block is in sliding fit with the second slide rail.
8. The assembly welding device according to claim 6, further comprising a first pressing positioning part, wherein the first pressing positioning part comprises a first connecting screw rod and a first positioning pressure head, the second support frame is provided with a first screw hole in threaded fit with the first connecting screw rod, and one end of the first connecting screw rod passes through the first screw hole to be connected with the first positioning pressure head, so that a positioning end face of the first positioning pressure head faces to the upper surface of the first support frame; the other end of the first connecting screw rod is provided with a first operating rod, and the first operating rod is vertically connected with the first connecting screw rod.
9. The assembly welding device according to claim 6, wherein the third moving frame comprises a horizontally arranged fourth supporting frame and a horizontally arranged fifth supporting frame, the fifth supporting frame is arranged above the fourth supporting frame, and the fourth supporting frame is arranged above the third supporting frame; a plurality of second profile supporting plates which are obliquely arranged are connected to the first sides of the fourth supporting frame and the fifth supporting frame, and the second profile supporting plates and the first profile supporting plates are respectively positioned on the same oblique plane; and a plurality of second connecting plates which are vertically arranged are connected to the second sides of the fourth supporting frame and the fifth supporting frame.
10. The assembly welding device according to claim 9, wherein the third movement adjusting mechanism comprises a third limiting mechanism and a driving mechanism, the third limiting mechanism comprises a guide shaft mounted on the third moving frame and a guide sleeve mounted on the second moving frame, and the guide shaft is slidably sleeved in the guide sleeve; the axial direction of the guide shaft and the axial direction of the guide sleeve are respectively consistent with the length extension direction of the second profile supporting plate;
the driving mechanism comprises a jack, the fixed end of the jack is fixedly connected with the second movable frame, and the driving end of the jack is fixedly connected with the third movable frame; the moving direction of the driving end of the jack is consistent with the length extending direction of the second profile supporting plate.
11. The assembly welding device according to claim 9, further comprising a plurality of pressing mechanisms, the plurality of pressing mechanisms being arranged at intervals along a length direction of the third moving rack; each hold-down mechanism all includes mounting panel, cantilever support pole and second and compresses tightly the setting element, the mounting panel with the second side fixed connection of fifth carriage, the cantilever support pole is the opening orientation the U-shaped structure of fifth carriage, the one end of cantilever support pole with the mounting panel links to each other, the other end of cantilever support pole with the second compresses tightly the setting element and links to each other.
12. The assembly welding device according to claim 11, wherein the second pressing and positioning element comprises a second connecting screw and a second positioning ram, the cantilever support rod is provided with a second screw hole in threaded fit with the second connecting screw, and one end of the second connecting screw passes through the second screw hole to be connected with the second positioning ram, so that the positioning end surface of the second positioning ram faces the second profile supporting plate; and a second operating rod is arranged at the other end of the second connecting screw rod and is vertically connected with the second connecting screw rod.
13. The assembly welding device according to claim 11, wherein the mounting plate is provided with a connecting shaft and a fixing pin, the connecting shaft and the fixing pin are arranged at intervals along the height direction of the mounting plate, the cantilever support rod is rotatably connected with the mounting plate through the connecting shaft, and the cantilever support rod is detachably connected with the mounting plate through the fixing pin.
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| CN202110138214.5A CN112894189B (en) | 2021-02-01 | 2021-02-01 | Assembly welding device |
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| CN202110138214.5A CN112894189B (en) | 2021-02-01 | 2021-02-01 | Assembly welding device |
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| US5115115A (en) * | 1990-01-31 | 1992-05-19 | Comau S.P.A. | Apparatus for welding motor-vehicle bodies |
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| CN112894189B (en) | 2022-07-05 |
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