CN103921044A - Car subframe installing and welding fixture - Google Patents
Car subframe installing and welding fixture Download PDFInfo
- Publication number
- CN103921044A CN103921044A CN201410139951.7A CN201410139951A CN103921044A CN 103921044 A CN103921044 A CN 103921044A CN 201410139951 A CN201410139951 A CN 201410139951A CN 103921044 A CN103921044 A CN 103921044A
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- CN
- China
- Prior art keywords
- locating piece
- piece
- hydraulic system
- stationary positioned
- clamping element
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Classifications
-
- 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
-
- 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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- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Body Structure For Vehicles (AREA)
- Butt Welding And Welding Of Specific Article (AREA)
Abstract
The invention discloses a car subframe installing and welding fixture and relates to the technical field of car subframes. The installing and welding fixture comprises a support, a front body moving positioning block, a rear body moving positioning block, a left moving pressing positioning block, a right moving pressing positioning block, an intermediate fixed positioning block, an upper positioning block and a hydraulic system. The installing and welding fixture can guarantee positioning accuracy of workpieces under coaction of the hydraulic system, multiple positioning blocks and positioning pins, is capable of clamping four workpieces at the same time and can weld the workpieces one by one, thus, production efficiency is greatly improved, and labor intensity of workers is reduced.
Description
Technical field
The present invention relates to the subframe technical field of car.
Background technology
Subframe, as the important component part of car, will guarantee that its size and shape is accurate when producing subframe.Conventionally the fixture of welding subframe is all single, and is all generally to adopt nut, tools for bolts ' pretension location, and such structure is inefficiency not only, and can not guarantee that workpiece form error is in tolerance band during welding.Application number is that 201020572206.9 patent documentation discloses a kind of dump truck auxiliary frame assembly welding mould, and specifically disclose structure: below base plate, balanced welding is equipped with six legs, above base plate, balanced welding is equipped with two longeron location channel-section steels for the located lateral of the left and right longeron of subframe, longeron clamping device is clamped in the left and right longeron of subframe on base plate, each crossbeam all has location and clamping device, two trip shaft bearings are located with positioning core axle, guarantee that the axis hole of two trip shaft bearings is on same center line.Although above-mentioned patent documentation discloses the subframe assembly-welding device of dumper, because the structure of car is not identical with the structure of dumper, so technique scheme be not suitable for the subframe of assembly welding car.
Summary of the invention
Technical problem to be solved by this invention is to provide a kind of secondary car frame assembly welding tire, described assembly welding tire once can four workpiece of clamping, and workpiece accurate positioning when welding is guaranteed in each of front, rear, left and right, guaranteed that the workpiece after welding meets the requirements, greatly improved production efficiency.
For solving the problems of the technologies described above, the technical solution used in the present invention is: a kind of secondary car frame assembly welding tire, it is characterized in that: described assembly welding tire comprises supporting seat, front subject activity locating piece, rear subject activity locating piece, left movable locating piece, right movable locating piece, middle stationary positioned piece, upper locating piece and the hydraulic system of compressing of compressing, in the middle of described, stationary positioned piece is fixed on the middle part of described supporting seat upper surface, described in the middle of the left and right sides of stationary positioned piece suitable and which is provided with alignment pin with pre-clamping element; The described left movable left side that locating piece is positioned at described middle stationary positioned piece that compresses, and it can move left and right the pre-clamping element clamping in left side under the effect of hydraulic system; The described right movable right side that locating piece is positioned at described middle stationary positioned piece that compresses, and it can move left and right the pre-clamping element clamping on right side under the effect of hydraulic system; Described front subject activity locating piece be positioned at described in the middle of the front side of stationary positioned piece, front subject activity locating piece can rotate around the axle between itself and supporting seat under the driving of hydraulic system, and the first connector is clamped on pre-clamping element; Described rear subject activity locating piece be positioned at described in the middle of the rear side of stationary positioned piece, rear subject activity locating piece can rotate around the axle between itself and supporting seat under the driving of hydraulic system, and the second connector is clamped on pre-clamping element; Described upper locating piece is free body, can be pressed on the pre-clamping element of middle stationary positioned piece both sides by pre-holding device.
Preferably, the described left movable both sides, front and back that compress locating piece and right movable compression locating piece are provided with positioning slide.
Preferably, described left movable left side and the right movable locating piece right side that compresses that compresses locating piece is provided with stop block.
The course of work: the first step, the left and right sides of stationary positioned piece in the middle of two pre-clamping elements are separately fixed at, suitable with the concave-convex surface of clamping element in advance because which is provided with alignment pin and its surface, so can very easily above-mentioned pre-clamping element be positioned; Second step, controls hydraulic system, drives left movable compression locating piece and the right movable locating piece that compresses to middle stationary positioned piece motion, pre-clamping element to be stepped up; The 3rd step, controls hydraulic system and drives front subject activity locating piece and the rotation of rear subject activity locating piece the first connector and the second connector to be clamped to the both sides, front and back of pre-clamping element; The 4th step, is used pre-holding device that described upper locating piece is clamped on the pre-clamping element of middle stationary positioned piece both sides, and the location that completes all parts clamps work, and then manipulator completes the assembly welding process of a plurality of workpiece of subframe automatically.
The beneficial effect that adopts technique scheme to produce is: described assembly welding tire is by guaranteeing the degree of accuracy of workpiece location under the acting in conjunction of hydraulic system, a plurality of locating piece and alignment pin, a plurality of workpiece of clamping simultaneously, after having welded a workpiece, can weld next workpiece, the great like this production efficiency that improved, has reduced workman's labour intensity.
Accompanying drawing explanation
Below in conjunction with the drawings and specific embodiments, the present invention is further detailed explanation.
Fig. 1 is main TV structure schematic diagram of the present invention;
Fig. 2 is plan structure schematic diagram of the present invention;
Fig. 3 is right TV structure schematic diagram of the present invention;
Wherein: 1, supporting seat 2, front subject activity locating piece 3, rear subject activity locating piece 4, left movable locating piece 5, right movable locating piece 6, middle stationary positioned piece 7, upper locating piece 8, axle 9, positioning slide 10, the stop block of compressing of compressing.
The specific embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is only a part of embodiment of the present invention, rather than whole embodiment.Embodiment based in the present invention, those of ordinary skills, not making the every other embodiment obtaining under creative work prerequisite, belong to the scope of protection of the invention.
A lot of details have been set forth in the following description so that fully understand the present invention, but the present invention can also adopt other to be different from alternate manner described here and implement, those skilled in the art can do similar popularization without prejudice to intension of the present invention in the situation that, so the present invention is not subject to the restriction of following public specific embodiment.
Embodiment mono-
Describedly in the present invention refer to plan structure schematic diagram of the present invention all around all around.As Figure 1-3, a kind of secondary car frame assembly welding tire, described assembly welding tire comprises supporting seat 1, front subject activity locating piece 2, rear subject activity locating piece 3, left movable locating piece 4, right movable locating piece 5, middle stationary positioned piece 6, upper locating piece 7 and the hydraulic system of compressing of compressing, described hydraulic system comprises a plurality of hydraulic cylinders and hydraulic tube etc., in addition described hydraulic system can certainly be used baric systerm to substitute, and its structure and operation principle and hydraulic system are roughly the same.
In the middle of described, stationary positioned piece 6 is fixed on the middle part of described supporting seat 1 upper surface, and the left and right sides of described middle stationary positioned piece 6 and pre-clamping element are suitable and which is provided with alignment pin, for placing and locating two, need the subframe workpiece that connect; The described left movable left side that locating piece 4 is positioned at described middle stationary positioned piece 6 that compresses, and it can move left and right the pre-clamping element clamping in left side under the effect of hydraulic system; The described right movable right side that locating piece 5 is positioned at described middle stationary positioned piece 6 that compresses, and it can move left and right the pre-clamping element clamping on right side under the effect of hydraulic system; In order to make described left movable compress locating piece 4 and right movable locating piece 5 directed movements that compress, described left activity compresses locating piece 4 and the right movable both sides, front and back that compress locating piece 5 are provided with positioning slide 9.Described left movable left side and right movable locating piece 5 right sides that compress that compress locating piece 4 are provided with stop block 10, prevent that it from moving out slide rail, damages equipment.Described left movable compression locating piece 4 and right movable compression locating piece 5 are the main clamping unit of assembly welding tire.
Described front subject activity locating piece 2 be positioned at described in the middle of the front side of stationary positioned piece 6, front subject activity locating piece 2 under the driving of hydraulic system can around its with supporting seat 1 between axle 8 rotations, the first connector is clamped on pre-clamping element; Described rear subject activity locating piece 3 be positioned at described in the middle of the rear side of stationary positioned piece 6, rear subject activity locating piece 3 can rotate around the axle between itself and supporting seat under the driving of hydraulic system, and the second connector is clamped on pre-clamping element; Described upper locating piece 7 is free body, can be pressed on the pre-clamping element of middle stationary positioned piece 6 both sides by pre-holding device.How forward and backward subject activity locating piece and middle stationary positioned piece can at an angle, specifically arrange and can adjust according to the structure of subframe workpiece.
The course of work: the first step, the left and right sides of stationary positioned piece in the middle of two pre-clamping elements are separately fixed at, suitable with the concave-convex surface of clamping element in advance because which is provided with alignment pin and its surface, so can very easily above-mentioned pre-clamping element be positioned; Second step, controls hydraulic system, drives left movable compression locating piece and the right movable locating piece that compresses to middle stationary positioned piece motion, pre-clamping element to be stepped up; The 3rd step, controls hydraulic system and drives front subject activity locating piece and the rotation of rear subject activity locating piece the first connector and the second connector to be clamped to the both sides, front and back of pre-clamping element; The 4th step, is used pre-holding device that described upper locating piece is clamped on the pre-clamping element of middle stationary positioned piece both sides, and the location that completes all parts clamps work, and then manipulator completes the assembly welding process of a plurality of workpiece of subframe automatically.
To sum up, described assembly welding tire is by guaranteeing the degree of accuracy of workpiece location under the acting in conjunction of hydraulic system, a plurality of locating piece and alignment pin, a plurality of workpiece of clamping simultaneously, after having welded a workpiece, can weld next workpiece, the great like this production efficiency that improved, has reduced workman's labour intensity.
Claims (3)
1. a secondary car frame assembly welding tire, it is characterized in that: described assembly welding tire comprises supporting seat (1), front subject activity locating piece (2), rear subject activity locating piece (3), left movable locating piece (4), right movable locating piece (5), middle stationary positioned piece (6), upper locating piece (7) and the hydraulic system of compressing of compressing, in the middle of described, stationary positioned piece (6) is fixed on the middle part of described supporting seat (1) upper surface, described in the middle of the left and right sides of stationary positioned piece (6) suitable and which is provided with alignment pin with pre-clamping element; The described left movable left side that locating piece (4) is positioned at described middle stationary positioned piece (6) that compresses, and it can move left and right the pre-clamping element clamping in left side under the effect of hydraulic system; The described right movable right side that locating piece (5) is positioned at described middle stationary positioned piece (6) that compresses, and it can move left and right the pre-clamping element clamping on right side under the effect of hydraulic system; Described front subject activity locating piece (2) is positioned at the front side of described middle stationary positioned piece (6), front subject activity locating piece (2) can rotate around the axle (8) between itself and supporting seat (1) under the driving of hydraulic system, and the first connector is clamped on pre-clamping element; Described rear subject activity locating piece (3) be positioned at described in the middle of the rear side of stationary positioned piece (6), rear subject activity locating piece (3) can rotate around the axle between itself and supporting seat under the driving of hydraulic system, and the second connector is clamped on pre-clamping element; Described upper locating piece (7) is free body, can be pressed on the pre-clamping element of middle stationary positioned piece (6) both sides by pre-holding device.
2. secondary car frame assembly welding tire according to claim 1, is characterized in that: the described left movable both sides, front and back that compress locating piece (4) and right movable compression locating piece (5) are provided with positioning slide (9).
3. secondary car frame assembly welding tire according to claim 2, is characterized in that: described left movable left side and right movable locating piece (5) right side that compresses that compresses locating piece (4) is provided with stop block (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410139951.7A CN103921044B (en) | 2014-04-09 | 2014-04-09 | Secondary car frame assembly welding tire |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410139951.7A CN103921044B (en) | 2014-04-09 | 2014-04-09 | Secondary car frame assembly welding tire |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103921044A true CN103921044A (en) | 2014-07-16 |
| CN103921044B CN103921044B (en) | 2015-09-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410139951.7A Active CN103921044B (en) | 2014-04-09 | 2014-04-09 | Secondary car frame assembly welding tire |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103921044B (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4907732A (en) * | 1988-01-22 | 1990-03-13 | Jones Richard L | Right-of-way double jointer |
| CN2629895Y (en) * | 2003-07-23 | 2004-08-04 | 中国北车集团大同电力机车有限责任公司 | General group welding rig of top cap for locomotive |
| US20070074398A1 (en) * | 2005-09-30 | 2007-04-05 | Hyundai Motor Company | Method of manufacturing subframe for vehicles |
| CN202199989U (en) * | 2011-09-06 | 2012-04-25 | 浙江铁牛汽车车身有限公司 | Automobile subframe assembly welding fixture |
| CN203236146U (en) * | 2013-01-18 | 2013-10-16 | 龙工(上海)机械制造有限公司 | Fixing device for machining of loader front frame |
| CN203401239U (en) * | 2013-07-31 | 2014-01-22 | 山西美佳矿业装备有限公司 | Universal platform combined type installing and welding clamping fixture of heading machine body |
| CN203459860U (en) * | 2013-09-13 | 2014-03-05 | 济宁东源机械制造有限公司 | Assembly and welding device for excavator lower frame |
| CN203779038U (en) * | 2014-04-09 | 2014-08-20 | 香河港龙汽车配件制造有限公司 | Car subframe assembly welding jig |
-
2014
- 2014-04-09 CN CN201410139951.7A patent/CN103921044B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4907732A (en) * | 1988-01-22 | 1990-03-13 | Jones Richard L | Right-of-way double jointer |
| CN2629895Y (en) * | 2003-07-23 | 2004-08-04 | 中国北车集团大同电力机车有限责任公司 | General group welding rig of top cap for locomotive |
| US20070074398A1 (en) * | 2005-09-30 | 2007-04-05 | Hyundai Motor Company | Method of manufacturing subframe for vehicles |
| CN202199989U (en) * | 2011-09-06 | 2012-04-25 | 浙江铁牛汽车车身有限公司 | Automobile subframe assembly welding fixture |
| CN203236146U (en) * | 2013-01-18 | 2013-10-16 | 龙工(上海)机械制造有限公司 | Fixing device for machining of loader front frame |
| CN203401239U (en) * | 2013-07-31 | 2014-01-22 | 山西美佳矿业装备有限公司 | Universal platform combined type installing and welding clamping fixture of heading machine body |
| CN203459860U (en) * | 2013-09-13 | 2014-03-05 | 济宁东源机械制造有限公司 | Assembly and welding device for excavator lower frame |
| CN203779038U (en) * | 2014-04-09 | 2014-08-20 | 香河港龙汽车配件制造有限公司 | Car subframe assembly welding jig |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103921044B (en) | 2015-09-09 |
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