CN110711965A - Car sub vehicle frame crossbeam fixed-position welding device - Google Patents
Car sub vehicle frame crossbeam fixed-position welding device Download PDFInfo
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- CN110711965A CN110711965A CN201911169975.6A CN201911169975A CN110711965A CN 110711965 A CN110711965 A CN 110711965A CN 201911169975 A CN201911169975 A CN 201911169975A CN 110711965 A CN110711965 A CN 110711965A
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- 238000003466 welding Methods 0.000 title claims abstract description 45
- 230000007246 mechanism Effects 0.000 claims abstract description 67
- 230000001681 protective effect Effects 0.000 claims description 7
- 230000007306 turnover Effects 0.000 claims description 6
- 229910003460 diamond Inorganic materials 0.000 claims description 4
- 239000010432 diamond Substances 0.000 claims description 4
- 238000005299 abrasion Methods 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 9
- 238000009434 installation Methods 0.000 description 6
- 238000000034 method Methods 0.000 description 4
- 238000007514 turning Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 3
- 239000006096 absorbing agent Substances 0.000 description 2
- 230000003247 decreasing effect Effects 0.000 description 2
- 230000035939 shock Effects 0.000 description 2
- 239000002893 slag Substances 0.000 description 2
- 229910001369 Brass Inorganic materials 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000001154 acute effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000010951 brass Substances 0.000 description 1
- 238000012938 design process Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 210000004907 gland Anatomy 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 230000035882 stress Effects 0.000 description 1
- 230000008646 thermal stress Effects 0.000 description 1
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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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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/40—Engine management systems
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Abstract
The invention discloses a positioning welding device for a cross beam of an auxiliary frame of an automobile, and belongs to the technical field of tool equipment. The device comprises a first positioning device, a second positioning device, a third positioning device and a clamping device which are all arranged on a base device; the first positioning device comprises a main pin positioning mechanism and an auxiliary pin positioning mechanism, wherein the main pin positioning mechanism comprises a telescopic pin pushing cylinder, a telescopic pin cylinder mounting support, a main positioning pin and a main pin guide block; the main positioning pin is connected with the end of a connecting rod of the telescopic pin pushing cylinder through a mounting groove R at the end part of the main positioning pin; the main pin guide block is fastened on the end surface of the telescopic pin cylinder mounting support; a positioning block I is further arranged on one side face of the telescopic pin cylinder mounting support. The invention can prevent difficult assembly caused by over-positioning, prevent the damage of parts and the abrasion of tools, improve the working efficiency and prolong the service life.
Description
[ technical field ] A method for producing a semiconductor device
The invention relates to the technical field of tool equipment, in particular to a positioning welding device for a cross beam of an auxiliary frame of an automobile.
[ background of the invention ]
The automobile auxiliary frame beam is a cavity body formed by welding an upper thin plate stamping part and a lower thin plate stamping part into a whole, and the auxiliary frame beam is provided with mounting holes connected with the swing arms and the shock absorbers, so that the installation of the swing arms and the shock absorbers can be influenced by the height (namely the space distance between the upper plate and the lower plate) of the auxiliary frame beam cavity. Generally, during welding, a lower plate process hole is aligned to a fixed positioning pin on a tool, and then an upper plate is placed, and a chock block is plugged into a mounting hole to ensure the height of a cavity of a cross beam; however, in the actual welding process, as the plate is deformed by heating, after the auxiliary frame cross beam is welded into a whole, the cross beam is interfered with a positioning pin on the tool due to the deformation of thermal stress, the manual workpiece taking is difficult, and the working efficiency is influenced; due to the thermal deformation of the plate, the chock plugged in the cavity of the cross beam is difficult to take out, the working efficiency is influenced, and even the size of the cavity of the part is inaccurate, so that the product quality is influenced.
[ summary of the invention ]
The invention aims to solve the problems and provides the positioning welding device for the cross beam of the auxiliary frame of the automobile, which has the advantages of simple structure, scientific design, accurate positioning, economy and practicability.
In order to achieve the purpose, the technical scheme adopted by the invention is as follows:
a positioning welding device for a cross beam of an automobile auxiliary frame comprises a base device, a first positioning device, an upper plate positioning device and a clamping device, wherein the first positioning device, a second positioning device, a third positioning device and the clamping device are all arranged on the base device;
the first positioning device comprises two pin positioning mechanisms symmetrically arranged on the base device, and each pin positioning mechanism comprises a telescopic pin pushing cylinder, a telescopic pin cylinder mounting support, a positioning pin and a pin guide block; the telescopic pin cylinder mounting support is mounted on the base device and provided with a step hole, and an anti-wear sleeve is arranged in the step hole; the cylinder body of the telescopic pin pushing cylinder is fixed on the outer wall of the telescopic pin cylinder mounting support, and the piston rod of the telescopic pin pushing cylinder extends into the step hole; the telescopic pin pushes one end, away from the step hole, of the cylinder body of the cylinder to be located in the cylinder avoidance groove of the bottom plate; one end of the positioning pin is positioned in the stepped hole and is connected with the end of the piston rod of the telescopic pin pushing cylinder through the mounting groove at the end part of the positioning pin, the other end of the positioning pin is positioned outside the stepped hole, and the positioning pin positioned in the stepped hole is contacted with the inner surface of the antifriction sleeve; the pin guide block is fastened on the end face of one end, away from the telescopic pin pushing cylinder, of the telescopic pin cylinder mounting support; a positioning block I is further connected to one side face of the telescopic pin cylinder mounting support through a first connecting block, the positioning block I is located on the end face of the first connecting block, the positioning block I and the first connecting block are arranged in the same vertical direction, and an adjusting gasket is arranged between the first connecting block and the positioning block I; one of the two pin positioning mechanisms is a main pin positioning mechanism, the other pin positioning mechanism is an auxiliary pin positioning mechanism, a positioning pin in the main pin positioning mechanism is a step cylindrical pin, an auxiliary positioning pin in the auxiliary pin positioning mechanism is a step pin, one end of the auxiliary positioning pin is machined with a guide offset, and the other end of the auxiliary positioning pin is machined into a diamond shape;
the two second positioning devices, the two third positioning devices and the two clamping devices are respectively and symmetrically arranged on the base device; the main pin positioning mechanism and the auxiliary pin positioning mechanism are respectively positioned between a second positioning device and a third positioning device on two sides, one of the two positioning devices is positioned on one side of the two positioning devices and matched with the main pin positioning mechanism, the other clamping device is positioned on the other side of the two positioning devices and matched with the auxiliary pin positioning mechanism, so that the clamping devices can clamp and locate the auxiliary frame upper plate on the main positioning pin of the main pin positioning mechanism and the auxiliary positioning pin of the auxiliary pin positioning mechanism.
Further, the base device comprises a bottom plate and a trolley, the bottom plate is horizontally and fixedly installed on the trolley, universal wheels are arranged at the bottom of the trolley, and the pin positioning mechanism is installed on the bottom plate.
Furthermore, a second connecting block is fixedly arranged on the other side surface of the telescopic pin cylinder mounting support, a third connecting block is fixedly arranged on the bottom plate, and the second connecting block and the third connecting block are fixedly connected, so that the telescopic pin cylinder mounting support is fixedly connected with the bottom plate through the second connecting block and the third connecting block; the telescopic pin cylinder mounting support and the second connecting block are provided with adjusting gaskets capable of adjusting the X-direction position of the pin positioning mechanism, and the adjusting gaskets capable of adjusting the Y-direction position of the pin positioning mechanism are arranged between the second connecting block and the third connecting block.
Further, the second positioning device comprises a slide rail mounting support A, two slide rails, a slide block mounting support A, a connecting block AI, a connecting block AII, a connecting block AIII, a limiting block, a cylinder I mounting support, a cylinder I and a protective cover; the sliding rail mounting support A is fixedly arranged on the bottom plate, the two sliding rails are symmetrically fastened on the sliding rail mounting support A, the limiting block is fastened at the tail end of the sliding rail mounting support A, and the mounting support of the air cylinder I is fastened at the front end of the sliding rail mounting support A; the sliding blocks are arranged on the two sliding rails, the sliding block mounting bracket A is arranged on the sliding blocks and is fixedly connected with the sliding blocks, the connecting block AIII is arranged on the sliding block mounting bracket A, one end of the connecting block AII is arranged on the connecting block AIII, the connecting block AII is arranged on one end of the connecting block AII, which is far away from the connecting block AIII, and cylindrical balls are arranged in grooves of the connecting block AII and the connecting block AII; the I fastening of cylinder is on I installing support of cylinder, just the drive shaft and the slider installing support A fixed connection of cylinder I, the protection casing cover is located the surface of cylinder I.
Furthermore, each clamping device comprises an air cylinder fixing support, a turnover air cylinder fastened on the air cylinder fixing support and a clamping block fastened on the turnover mechanism of the turnover air cylinder, and the air cylinder fixing support is fastened on the bottom plate; the clamping blocks are respectively positioned above the first positioning device, the second positioning device and the third positioning device.
Further, locating piece I is the L piece, the locating surface of locating piece I is the inclined plane, the inclination of locating surface is the same with the inclination of sub vehicle frame hypoplastron.
Further, the stepped hole comprises a first cavity, a second cavity and a third cavity which are communicated in sequence, and the aperture of the second cavity is smaller than that of the first cavity and that of the third cavity.
Further, the slider mounting bracket A is a convex block, the slider mounting bracket A is provided with a screw through hole and a slider mounting groove and is used for mounting a slider and a connecting block AIII, one end of the slider mounting bracket A is also provided with a clamping groove, and one end of a connecting rod in the cylinder I is fixedly arranged in the clamping groove.
Furthermore, the cylindrical ball is a hollow cylinder with a smooth outer side surface.
Furthermore, I installing support of cylinder is "nearly" type form, I installing support of cylinder fasten in the terminal surface of slide rail installing support.
By adopting the technical scheme, the invention has the beneficial effects that:
(1) after the welding of the telescopic positioning pin is finished, the pin is withdrawn through the air cylinder, so that the problem that the workpiece is difficult to withdraw by manually withdrawing the pin after the welding deformation is solved, the working efficiency is effectively improved, and the burden of workers is reduced; still design has main, vice locating pin, and vice locating pin is only retrained required size direction for the diamond pin, prevents to cross the location and leads to difficult dress spare.
(2) The upper plate positioning device is provided with a sliding rail, a cylindrical ball and the like, so that the air cylinder can control the whole positioning device to move forward along the sliding rail to position the upper plate of the auxiliary frame, and the whole positioning device can return along the sliding rail after welding to withdraw from a welded cross beam cavity, thereby solving the problem that a workpiece clamping and positioning device is difficult to withdraw manually and the device is difficult to disassemble after welding deformation; meanwhile, the positioning surface of the positioning device is positioned by adopting the cylindrical ball, when the plate is welded and deformed to clamp the positioning device, when the plate returns, the sliding friction force between the workpiece and the device is converted into the rolling friction force of the cylindrical ball, the friction between two rigid components is reduced, the positioning device easily returns, the damage to the parts and the abrasion to the tool are prevented, the working efficiency is improved, and the service life is prolonged.
(3) The positioning and welding device for the automobile auxiliary frame crossbeam is scientific in design, simple in structure, economical and practical, capable of quickly positioning by means of the air cylinder, simple in work and quick in connection, and all parts of the device are connected by using screws, so that the device is convenient to disassemble, the processing technology is simplified, and the cost is saved.
[ description of the drawings ]
FIG. 1 is a schematic view of a device for welding a cross beam of an auxiliary frame of an automobile and assembling the cross beam according to an embodiment of the invention;
FIG. 2 is an assembly diagram of a device for welding a cross beam of an auxiliary frame of an automobile according to an embodiment of the present invention;
FIG. 3 is a schematic structural diagram of a subframe cross beam in the subframe cross beam welding device of the vehicle according to the embodiment of the present invention;
FIG. 4 is a schematic structural diagram of a kingpin positioning mechanism of a first positioning device in a cross beam welding device of an auxiliary frame of a vehicle according to an embodiment of the present invention;
FIG. 5 is a cross-sectional view of a kingpin alignment mechanism of a first alignment device of a cross-member welding apparatus for a subframe of a vehicle according to an embodiment of the present invention;
FIG. 6 is a schematic structural diagram of a main locating pin of a first locating device in a cross beam welding device of an auxiliary frame of an automobile according to an embodiment of the present invention;
FIG. 7 is a schematic structural diagram of a sub-pin positioning mechanism of a first positioning device in a cross beam welding device of an auxiliary frame of a vehicle according to an embodiment of the present invention;
FIG. 8 is a schematic structural diagram of a secondary positioning pin of a first positioning device in a welding device for a cross beam of a subframe of a vehicle according to an embodiment of the present invention;
FIG. 9 is a top view of FIG. 4;
FIG. 10 is a top view of FIG. 7;
FIG. 11 is a schematic structural view of a second positioning device in a cross beam welding device of a subframe of a vehicle according to an embodiment of the present invention;
FIG. 12 is a schematic structural diagram of a slider mounting bracket A of a second positioning device in a cross beam welding device of an auxiliary frame of a vehicle according to an embodiment of the present invention;
FIG. 13 is a schematic structural diagram of a connecting block AI of a second positioning device in a welding device for a cross beam of an auxiliary frame of an automobile according to an embodiment of the present invention;
FIG. 14 is a schematic structural view of a third positioning device in a cross beam welding device of a subframe of a vehicle according to an embodiment of the present invention;
FIG. 15 is a schematic structural view of a slider mounting bracket B in a third positioning device of a cross beam welding device of an auxiliary frame of a vehicle according to an embodiment of the present invention;
fig. 16 is a schematic structural diagram of a clamping device in a cross beam welding device of a subframe of a vehicle according to an embodiment of the invention.
In the figure, 1-an automobile auxiliary frame, 1-1-an auxiliary frame upper plate, 1-1-1-an upper plate positioning hole, 1-1-2-an upper plate positioning surface, 1-2-an auxiliary frame lower plate, 1-2-1-a lower plate positioning hole, 1-2-2-a lower plate positioning surface, 1-3-a lower swing arm installation cavity and 1-4-an upper swing arm installation cavity;
2-a second positioning device, 2-1-a connecting block AI, 2-2-a connecting block AI, 2-3-a connecting block AIII, 2-4-a slider mounting bracket A, 2-4-1-a mounting groove C, 2-4-2-an end face D, 2-4-3-an end face E, 2-4-4-a slider mounting groove, 2-5-a sliding rail, 2-6-a limiting block, 2-7-a sliding rail mounting bracket A, 2-8-a sliding block, 2-9-a protective cover, 2-10-a cylinder I, 2-11-a cylinder I mounting bracket and 2-1-2 cylindrical balls;
3-third positioning device, 3-1-connecting block BII, 3-2-connecting block BI, 3-3-cylinder II, 3-4-sliding block mounting bracket B, 3-4-1-mounting groove F, 3-4-2-end surface G, 3-4-3-sliding block mounting groove, 3-5-sliding rail mounting bracket B and 3-6-positioning block II;
4-base device, 4-1-bottom plate, 4-2-handcart, 4-3-switch;
5-first positioning device, 5-1-main pin positioning mechanism, 5-1-1-main positioning pin, 5-1-1-connecting end, 5-1-1-2-third positioning surface, 5-1-1-3-first positioning surface, 5-1-1-4-second cylinder, 5-1-1-5-fourth cylinder, 5-1-1-6-second positioning surface, 5-1-1-7-first cylinder, 5-1-1-8-third cylinder, 5-1-2-main pin guide block, 5-1-2-1-circular hole, 5-2-positioning block I, 5-3-connecting block, 5-3-1-first connecting block, 5-3-2-second connecting block, 5-3-3-third connecting block, 5-4-telescopic pin cylinder mounting support, 5-4-1-first cavity, 5-4-2-first step surface, 5-4-3-third cavity, 5-4-4-second cavity, 5-5-auxiliary pin positioning mechanism, 5-5-1-auxiliary positioning pin, 5-5-1-1-joint, 5-5-1-2-guide deviation M, 5-5-1-3-sixth positioning surface, 5-5-1-4-sixth cylinder, 5-5-1-5-fifth positioning surface, 5-5-1-6-seventh cylinder, 5-5-1-7-fourth positioning surface, 5-5-1-8-fifth cylinder, 5-5-2-auxiliary pin guide block, 5-5-2-1-waist hole, 5-6-telescopic pin pushing cylinder, 5-7-antifriction sleeve and 5-8-adjusting gasket;
6-clamping mechanism, 6-1-clamping block, 6-2-overturning cylinder and 6-3-cylinder fixing support.
[ detailed description ] embodiments
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When a component is referred to as being "connected" to another component, it can be directly connected to the other component or intervening components may also be present. When a component is referred to as being "disposed on" another component, it can be directly on the other component or intervening components may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
Examples
Referring to fig. 1 and 2, a positioning and welding device for a cross beam of an auxiliary frame of an automobile includes a base device 4, a first positioning device 5, a second positioning device 2, a third positioning device 3, and a clamping device 6, wherein the first positioning device 5, the second positioning device 2, the third positioning device 3, and the clamping device 6 are all mounted on the base device 4. The auxiliary frame 1 of the automobile is fixedly fastened on the first positioning device 5 through the first positioning device 5, the second positioning device 2, the third positioning device 3 and the clamping device 6.
Referring to fig. 3, the subframe 1 of the vehicle includes a subframe upper plate 1-1 and a subframe lower plate 1-2, wherein the subframe upper plate 1-1 is provided with an upper plate positioning hole 1-1-1, and the peripheral plane of the upper plate positioning hole 1-1-1 is an upper plate positioning surface 1-1-2 (inner side surface). The automobile auxiliary frame 1 further comprises a lower swing arm mounting cavity 1-3 and an upper swing arm mounting cavity 1-4 which are positioned between the auxiliary frame upper plate 1-1 and the auxiliary frame lower plate 1-2.
As shown in fig. 1, the base unit 4 includes a floor 4-1 and a cart 4-2. The bottom plate 4-1 is horizontally and fixedly arranged on the trolley 4-2, the bottom plate 4-1 is a square thick plate, a cylinder avoiding groove is formed in the middle of the bottom plate, and threaded holes, lug holes and reference holes for mounting all devices are formed in the bottom plate 4-1. Six switches 4-3 for pneumatic control are also arranged on the bottom plate 4-1. The trolley 4-2 is a square frame welded by square steel, and universal wheels are installed at the bottom of the trolley.
As shown in fig. 2, 4-10, the first positioning device 5 includes two pin positioning mechanisms symmetrically disposed on the base device 4, namely a main pin positioning mechanism 5-1 and an auxiliary pin positioning mechanism 5-5. Each pin positioning mechanism comprises a telescopic pin pushing cylinder 5-6, a telescopic pin cylinder mounting support 5-4, a positioning pin, an adjusting gasket 5-8 and a pin guide block. The telescopic pin cylinder mounting support 5-4 is mounted on a bottom plate 4-1 of the base device 4, a stepped hole is axially formed in the telescopic pin cylinder mounting support 5-4, and an antifriction sleeve 5-7 is arranged in the stepped hole; the cylinder body of the telescopic pin pushing cylinder 5-6 is fixed on the outer wall of the telescopic pin cylinder mounting support 5-4, and the piston rod of the telescopic pin pushing cylinder 5-6 extends into the step hole. The telescopic pin pushes one end, away from the step hole, of the cylinder body of the cylinder 5-6 to be located in the cylinder avoiding groove of the bottom plate 4-1. One end of the positioning pin is positioned in the stepped hole and connected with the end of the piston rod of the telescopic pin pushing cylinder 5-6, the other end of the positioning pin is positioned outside the stepped hole, and the positioning pin positioned in the stepped hole is contacted with the inner surface of the antifriction sleeve 5-7. The pin guide block is fastened on the end face of one end, away from the telescopic pin pushing cylinder 5-6, of the telescopic pin cylinder mounting support, and the abrasion reduction sleeve 5-7 is prevented from sliding out.
Wherein, the positioning pin in the main pin positioning mechanism 5-1 is the main positioning pin 5-1-1, and the positioning pin in the auxiliary pin positioning mechanism 5-5 is the auxiliary positioning pin 5-5-1. The pin guide block in the main pin positioning mechanism 5-1 is a main pin guide block 5-1-2, and the pin guide block in the auxiliary pin positioning mechanism 5-5 is an auxiliary pin guide block 5-5-2. The main positioning pin 5-1-1 is a step cylindrical pin; the main pin guide block 5-1-2 is a square gland, and a round hole is processed in the middle of the main pin guide block 5-1-2. The main positioning pin 5-1-1 comprises a first cylinder 5-1-1-7, a second cylinder 5-1-1-4, a third cylinder 5-1-1-8 and a fourth cylinder 5-1-1-5 which are coaxially connected in sequence, wherein the diameters of the first cylinder 5-1-1-7, the second cylinder 5-1-1-4, the third cylinder 5-1-1-8 and the fourth cylinder 5-1-1-5 are sequentially reduced, so that a first positioning surface 5-1-1-3 is formed between the first cylinder 5-1-1-7 and the second cylinder 5-1-4, and a second positioning surface 5-1-1-5 is formed between the third cylinder 5-1-1-8 and the fourth cylinder 5-1-1-5 -6. One end of the first cylinder 5-1-1-7, which is far away from the second cylinder 5-1-1-4, is connected with a connecting end 5-1-1-1, a third positioning surface 5-1-1-2 is formed between the connecting end 5-1-1 and the first cylinder 5-1-1-7, and an installation groove is formed in the connecting end 5-1-1-1. Wherein the second cylinder 5-1-1-4 is a lower plate positioning master pin segment, i.e., a segment in the master pin 5-1-1 for positioning the subframe lower plate 1-2. The fourth cylinder 5-1-1-5 is an upper plate positioning main pin section.
One end of the main positioning pin 5-1-1 is positioned in the step hole and is connected with the end of the piston rod of the telescopic pin pushing cylinder 5-6 through the mounting groove R5-1-1-1 in the connecting end 5-1-1, and the other end of the main positioning pin 5-1-1 is positioned outside the step hole.
The auxiliary positioning pin 5-5-1 is a step pin, wherein one end of the auxiliary positioning pin is processed with a guide deviation M5-5-1-2, and the other end of the auxiliary positioning pin is processed into a diamond shape. And a waist hole 5-5-2-1 (as shown in figure 10) for limiting is processed in the middle of the auxiliary pin guide block 5-5-2. The auxiliary positioning pin 5-5-1 comprises a fifth cylinder 5-5-1-8, a sixth cylinder 5-1-1-4 and a seventh cylinder 5-5-1-6 which are coaxially connected in sequence, the diameters of the fifth cylinder 5-5-1-8, the sixth cylinder 5-5-1-4 and the seventh cylinder 5-5-1-6 are sequentially reduced to form a fourth positioning surface 5-5-1-7 between the fifth cylinder 5-5-1-8 and the sixth cylinder 5-1-4, a fifth positioning surface 5-5-1-5 is formed between the sixth cylinder 5-1-4 and the seventh cylinder 5-5-1-6, one end of the fifth cylinder 5-5-1-8, which is far away from the sixth cylinder 5-1-1-4, is also connected with a joint 5-5-1-1, and a sixth positioning surface 5-5-1-3 is formed between the joint 5-5-1-1 and the fifth cylinder 5-5-1-8. Mounting grooves are arranged in the connecting end 5-1-1-1 and the joint 5-5-1-1. Wherein, the sixth cylinder 5-5-1-4 is a lower plate positioning auxiliary pin section, and the seventh cylinder 5-5-1-6 is an upper plate positioning auxiliary pin section.
The pin positioning mechanism 5-1 further comprises a connecting block 5-3 and a positioning block I5-2, wherein the connecting block 5-3 is provided with three connecting blocks which are respectively a first connecting block 5-3-1, a second connecting block 5-3-2 and a third connecting block 5-3-3. The telescopic pin cylinder mounting support 5-4 is characterized in that one side face of the telescopic pin cylinder mounting support 5-4 is connected with the positioning block I5-2 through a first connecting block 5-3-1, the positioning block I5-2 is located on the end face of the first connecting block 5-3-1 and close to one end, located outside the step hole, of the positioning pin, and the positioning block I5-2 and the first connecting block 5-3-1 are arranged in the same vertical direction. The first connecting block 5-3-1 is connected with the positioning block I5-2 through a bolt, an adjusting gasket 5-8 is arranged between the first connecting block 5-3-1 and the positioning block I5-2, the height of the positioning block I5-2 can be adjusted by increasing or decreasing the adjusting gasket 5-8, and machining errors can be made up. Wherein the adjusting shims 5-8 are standard pieces.
The other side face (opposite to the side face provided with the first connecting block 5-3-1) of the telescopic pin cylinder mounting support 5-4 is fixedly provided with a second connecting block 5-3-2, the bottom plate 4-1 is fixedly provided with a third connecting block 5-3-3, and the second connecting block 5-3-2 and the third connecting block 5-3-3 are fixedly connected, so that the telescopic pin cylinder mounting support 5-4 is fixedly connected with the bottom plate 4-1 through the second connecting block 5-3-2 and the third connecting block 5-3-3. An adjusting gasket 5-8 capable of adjusting the X-direction position of the main pin positioning mechanism is arranged between the telescopic pin cylinder mounting support 5-4 and the second connecting block 5-3-2, and an adjusting gasket 5-8 capable of adjusting the Y-direction position of the main pin positioning mechanism is arranged between the second connecting block 5-3-2 and the third connecting block 5-3-3 (as shown in figure 9).
Wherein, the first connecting block 5-3-1, the second connecting block 5-3-2 and the third connecting block 5-3-3 are all L-shaped blocks which are provided with screw through holes; the positioning block I5-2 is also an L-shaped block (as shown in fig. 4), namely the positioning block I5-2 comprises a transverse block and a vertical block which are vertically connected and integrally formed, the transverse block and the first connecting block 5-3-1 are connected, one surface of the vertical block, which is far away from the first connecting block 5-3-1, is a positioning surface, the positioning surface is an inclined surface, and the inclination angle of the positioning surface is the same as that of the lower plate 1-2 of the auxiliary frame. The telescopic pin cylinder mounting support 5-4 is a square body with the same appearance size as the telescopic pin pushing cylinder 5-6, and a stepped hole is processed in the middle for controlling the stroke and mounting the antifriction sleeve 5-7. The step hole comprises a first cavity 5-4-1, a second cavity 5-4-4 and a third cavity 5-4-3 which are communicated in sequence, and the aperture of the second cavity 5-4-4 is smaller than the apertures of the first cavity 5-4-1 and the third cavity 5-4-3, so that a first step surface 5-4-2 is formed between the second cavity 5-4-4 and the first cavity 5-4-1. The telescopic pin pushing cylinders 5-6 are standard single-shaft cylinders.
The number of the second positioning devices 2, the number of the third positioning devices 3 and the number of the clamping devices 6 are two, and the second positioning devices 2, the third positioning devices 3 and the clamping devices 6 are symmetrically arranged on the base device 4 respectively. The main pin positioning mechanism 5-1 and the auxiliary pin positioning mechanism 5-5 are respectively positioned between the second positioning device 2 and the third positioning device 3 at two sides, one of the clamping devices 6 is positioned between the second positioning device 2 and the third positioning device 3 at one side and is matched with the main pin positioning mechanism 5-1, and the other clamping device 6 is positioned between the second positioning device 2 and the third positioning device 3 at the other side and is matched with the auxiliary pin positioning mechanism 5-5, so that the clamping device 6 can clamp the auxiliary frame upper plate 1-1 arranged on the main positioning pin 5-1 of the main pin positioning mechanism 5-1 and the auxiliary positioning pin 5-5-1 of the auxiliary pin positioning mechanism 5-5.
As shown in fig. 11-13, the second positioning device 2 includes a slide rail mounting support a2-7, two slide rails 2-5, a slide block 2-8, a slide block mounting bracket a2-4, a connecting block ai 2-1, a connecting block ai 2-2, a connecting block aiii 2-3, a limiting block 2-6, an air cylinder i mounting bracket 2-11, an air cylinder i 2-10, and a protective cover 2-9. The slide rail mounting support A2-7 is fixedly arranged on the bottom plate 4-1, the two slide rails 2-5 are symmetrically fastened on the slide rail mounting support A2-7, the limiting blocks 2-6 are fastened at the tail end of the slide rail mounting support A2-7, the slide block 2-8 is arranged on the two slide rails 2-5, the slide block mounting support A2-4 is arranged on the slide block 2-8 and is fixedly connected with the slide block 2-8, the connecting block AII 2-3 is arranged on the slide block mounting support A2-4, one end of the connecting block AII 2-2 is arranged on the connecting block AII 2-3, the connecting block AII 2-1 is arranged at one end of the connecting block AII 2-2 far away from the connecting block AII 2-3, the connecting block AII 2-1 and the connecting block AII 2-2 are both provided with grooves, cylindrical balls 2-12 are arranged in grooves of the connecting blocks AI 2-1 and the connecting blocks AII 2-2. The mounting support 2-11 of the air cylinder I is fastened at the front end of a sliding rail mounting support A2-7, the air cylinder I2-10 is fastened on the mounting support 2-11 of the air cylinder I, a driving shaft of the air cylinder I2-10 is fixedly connected with a sliding block mounting support A2-4, and the protective cover 2-9 is covered on the outer surface of the air cylinder I2-10 to prevent welding slag from burning out of the air cylinder I2-10.
The slide rail mounting support A2-7 in this embodiment is an inclined platform formed by splicing and welding a horizontal thick plate and an inclined thick plate into an acute angle of 12 degrees, a horizontal plane of the horizontal thick plate is provided with a screw through hole for fastening the second positioning device 2 on the bottom plate 4-1 by using a shaft pin to penetrate through the screw through hole, and an inclined plane of the inclined thick plate is provided with a threaded hole for mounting the slide rail 2-5 and the limiting block 2-6; the slide rails 2-5 are external double-axis linear square guide rails (standard parts). The sliding blocks 2-8 are high-speed double-roller sliding rail sliding block tables (standard parts). The sliding block mounting support A2-4 is a convex block, a screw through hole and a sliding block mounting groove 2-4-4 are processed on the plane of the sliding block mounting support A2-4 and used for mounting a sliding block 2-8 and a connecting block AIII 2-3, a clamping groove 2-4-1 is further formed in one end of the sliding block mounting support A2-4, and one end of a driving shaft in the air cylinder I2-10 is fixedly arranged in the clamping groove 2-4-1 so that the sliding block mounting support A2-4 is connected with a connecting rod in the air cylinder I2-10. The connecting block AIII 2-3 is a boss block and is fastened on the sliding block mounting bracket A2-4. The connecting block AII 2-2 is a square block, a groove is processed on the bottom surface of one end and used for installing the cylindrical ball 2-12, and the other end is fastened on the connecting block AII 2-3. The length of the connecting block AI 2-1 is shorter than that of the connecting block AI 2-2, the other external dimensions are the same, and the connecting block AI 2-1 is superposed on the top surface of the connecting block AI 2-2. The cylindrical balls 2-12 are hollow cylinders with smooth outer surfaces. The axle pins are standard screws. The limiting blocks 2-6 are L-shaped blocks. And the air cylinders I2 to 10 are single-shaft cylinders with longer strokes. The protective cover 2-9 is a brass cover with the same appearance size as the air cylinder I2-10, and covers the outer surface of the air cylinder I2-10 to prevent welding slag from splashing to the air cylinder; the mounting bracket 2-11 of the cylinder I is in a 'n' shape.
As shown in fig. 14 and 15, the third positioning device 3 has a structure substantially the same as that of the second positioning device 2, and includes a slide rail mounting bracket B3-5, a slider mounting bracket B3-4, and the like. Except that the positioning block II 3-6 is arranged on the end face of the slide rail mounting bracket B3-5 in the third positioning device 3 more, and the cylinder protective cover is omitted (the cylinder is not in the welding range). The structure of the slide rail mounting bracket B3-5 is the same as that of the slide rail mounting bracket A2-7, and the whole external dimension is smaller than that of the slide rail mounting bracket A2-7. The connecting block BII 3-1 is in an I shape, grooves for arranging cylindrical balls are formed in two ends of the connecting block BII 3-1, and the grooves are superposed above the grooves of the connecting block BII 3-2. The sliding block mounting bracket B3-4 is a similar convex block, a sliding block mounting groove 3-4-3 is processed on the plane of the sliding block mounting bracket B3-4, and a clamping groove 3-4-1 for inserting a connecting rod of the air cylinder II 3-3 is also formed in one end of the sliding block mounting bracket B. The positioning blocks II 3-6 are similar to the positioning blocks I5-2 in shape but different in height. And the air cylinder II 3-3 is a single-shaft cylinder with a short stroke.
Further, as shown in fig. 16, each of the clamping devices 6 comprises a cylinder fixing support 6-3, a turning cylinder 6-2 fastened to the cylinder fixing support 6-3, and a clamping block 6-1 fastened to the turning mechanism of the turning cylinder 6-2, wherein the cylinder fixing support 6-3 is an "L" block welded by a thick plate member and fastened to the bottom plate 4-1 for mounting the turning cylinder 6-2. The overturning cylinder 6-2 is a standard component; the clamping block 6-1 is a cross-shaped frame with a pressure head, is connected to the overturning air cylinder 6-2 and is positioned above the first positioning device 5, the second positioning device 2 and the third positioning device 3.
With reference to fig. 1 to 16, the method for using the assembly of the present invention comprises:
(1) and starting the first switch, and operating the first positioning device 5. The main pin positioning mechanism 5-1 works: the telescopic pin pushes the cylinder 5-6 to extend out, the main positioning pin 5-1-1 is pushed to extend out until one end surface S5-1-1-2 of the main positioning pin 5-1-1 is contacted with a first step surface 5-4-2 limiting flange or a first step surface of the telescopic pin cylinder mounting support 5-4, and then the main positioning pin stops extending out, and the depth of the cavity H5-4-1 controls the extension length of the main positioning pin 5-1-1. 5-5 the working process of the auxiliary pin positioning mechanism: the telescopic pin pushes the cylinder to extend out, the auxiliary positioning pin 5-5-1 is pushed to extend out, the waist hole 5-5-2-1 limits the direction of the guide deviation M5-5-1-2, the rhombus-shaped maximum direction of the auxiliary positioning pin 5-5-1 always faces the Y direction until the sixth positioning surface 5-5-1-3 of the auxiliary positioning pin 5-5-1 is contacted with the first step surface 5-4-2 of the telescopic pin cylinder mounting support 5-4 and then stops, and the depth of the first cavity 5-4-1 controls the extension length of the auxiliary positioning pin 5-5-1.
(2) Putting a workpiece auxiliary frame lower plate 1-2: aligning a lower plate positioning hole 1-2-1 of an auxiliary frame lower plate 1-2 with a main positioning pin 5-1-1 and an auxiliary positioning pin 5-5-1, and placing the lower plate positioning hole 1-2 of the auxiliary frame lower plate into a workpiece auxiliary frame lower plate 1-2 until a lower plate positioning surface 1-2-2 is contacted with a first positioning surface 5-1-1-3 of the main positioning pin 5-1-1 and a fourth positioning surface 5-5-1-7 of the auxiliary positioning pin 5-5-1; the end faces of the positioning block I5-2 and the positioning block II 3-5 are contacted with the surface of the workpiece by increasing or decreasing the adjusting gaskets 5-8.
(3) The second switch, the second positioning device 2 and the third positioning device 3 are started to work: the cylinder I2-10 retracts to the limit position of the cylinder stroke and stops, the cylinder II 3-3 extends until the end face G3-4-2 of the sliding block mounting bracket B3-4 contacts with the limiting block 2-6 and then stops, and the cylindrical balls 2-13 of the connecting block AI 2-2 and the connecting block BI 3-2 press the inner surface of the lower plate 1-2 of the auxiliary frame to clamp the workpiece.
(4) Putting a workpiece auxiliary frame upper plate 1-1: and aligning an upper plate positioning hole 1-1-1 of the auxiliary frame upper plate 1-1 with the main positioning pin 5-1-1 and the auxiliary positioning pin 5-5-1, and placing the workpiece auxiliary frame upper plate 1-1. Starting a switch III, clamping the auxiliary frame upper plate 1-1 by the clamping device 6, so that the upper plate positioning surface 1-1-2 (the inner side surface) is contacted with the fifth positioning surface 5-5-1-5 of the auxiliary positioning pin 5-5-1 and the second positioning surface 5-1-1-6 of the main positioning pin 5-1-1, and the inner side surface of the auxiliary frame upper plate 1-1 is contacted with the cylindrical ball 2-13 of the connecting block BI 3-2 and the connecting block BI 3-1; the height of the cylindrical ball 2-13 of the second positioning device 2 and the third positioning device 3 respectively controls the width size of the lower swing arm installation cavity 1-3 and the upper swing arm installation cavity 1-4. And finally, welding the auxiliary frame upper plate 1-1 and the auxiliary frame lower plate 1-2 into a whole.
(5) And starting the switch IV, and loosening the clamping device 6. Starting the switch V, and withdrawing the second positioning device 2 from the workpiece until the end face E2-4-3 of the slider mounting bracket A2-4 contacts with the limiting block 2-6; the third positioning device 3 withdraws from the workpiece until the stroke limit of the cylinder stops, and the cylindrical balls 2-13 can roll freely, so that the friction force between the workpiece and the cylindrical balls 2-13 is converted into the rotating power of the cylindrical balls 2-13, the second positioning device 2 and the third positioning device 3 can withdraw from the workpiece easily, and the clamp can be prevented from being clamped by the workpiece effectively.
(6) And starting the switch six, and removing the pin of the first positioning device 5. Main pin positioning mechanism 5-1: the telescopic pin pushes the air cylinder 5-6 to retract, and pushes the main positioning pin 5-1-1 to retract until the second cylinder 5-1-1-4 in the main positioning pin 5-1-1 completely exits the lower plate 1-2 of the auxiliary frame (note: only the second cylinder 5-1-1-4 exits, but not the whole positioning pin exits), and the fourth cylinder 5-1-1-5 completely exits the upper plate 1-1 of the auxiliary frame. At the moment, only the lower plate positioning hole 1-2-1 of the lower plate 1-2 of the auxiliary frame is still positioned between the second cylinder 5-1-1-4 and the fourth cylinder 5-1-1-5, the diameter of a pin section between the second cylinder and the fourth cylinder is smaller than that of the lower plate positioning hole 1-2-1, and the part is in a loose state. Auxiliary pin positioning mechanism 5-5: the telescopic pin pushes the air cylinder to retract, the auxiliary positioning pin 5-5-1 is pushed to retract until the sixth cylinder 5-5-1-4 of the auxiliary positioning pin 5-5-1 completely exits from the lower plate 1-2 of the auxiliary frame (note: only the sixth cylinder 5-5-1-4 exits, but not the whole positioning pin exits), and the seventh cylinder 5-5-1-6 completely exits from the upper plate 1-1 of the auxiliary frame. At the moment, only the lower plate positioning hole 1-2-1 of the lower plate 1-2 of the auxiliary frame is still positioned between the sixth cylinder 5-5-1-4 and the seventh cylinder 5-5-1-6, the pin diameter between the sixth cylinder and the seventh cylinder is smaller than the diameter of the lower plate positioning hole 1-2-1, and the part is in a loose state. And taking out the workpiece. The device has the function of automatic pin withdrawing, so that the problem that workpieces are difficult to take manually because the positioning pins are clamped due to stress generated by thermal deformation of the workpieces during welding is solved effectively.
In the design process, when the auxiliary positioning pin 5-5-1 retracts, the guide deviation M5-5-1-2 is ensured to be always in the waist hole 5-5-2-1, the phenomenon that the guide deviation M5-5-1-2 is dislocated with the waist hole 5-5-2-1 due to the rotation of a cylinder shaft and the auxiliary positioning pin 5-5-1 is blocked when the auxiliary positioning pin is started next time is prevented.
The above description is intended to describe in detail the preferred embodiments of the present invention, but the embodiments are not intended to limit the scope of the claims of the present invention, and all equivalent changes and modifications made within the technical spirit of the present invention should fall within the scope of the claims of the present invention.
Claims (10)
1. A positioning welding device for a cross beam of an automobile auxiliary frame is characterized by comprising a base device, a first positioning device, an upper plate positioning device and a clamping device, wherein the first positioning device, a second positioning device, a third positioning device and the clamping device are all arranged on the base device;
the first positioning device comprises two pin positioning mechanisms symmetrically arranged on the base device, and each pin positioning mechanism comprises a telescopic pin pushing cylinder, a telescopic pin cylinder mounting support, a positioning pin and a pin guide block; the telescopic pin cylinder mounting support is mounted on the base device and provided with a step hole, and an anti-wear sleeve is arranged in the step hole; the cylinder body of the telescopic pin pushing cylinder is fixed on the outer wall of the telescopic pin cylinder mounting support, and the piston rod of the telescopic pin pushing cylinder extends into the step hole; the telescopic pin pushes one end, away from the step hole, of the cylinder body of the cylinder to be located in the cylinder avoidance groove of the bottom plate; one end of the positioning pin is positioned in the stepped hole and is connected with the end of the piston rod of the telescopic pin pushing cylinder through the mounting groove at the end part of the positioning pin, the other end of the positioning pin is positioned outside the stepped hole, and the positioning pin positioned in the stepped hole is contacted with the inner surface of the antifriction sleeve; the pin guide block is fastened on the end face of one end, away from the telescopic pin pushing cylinder, of the telescopic pin cylinder mounting support; a positioning block I is further connected to one side face of the telescopic pin cylinder mounting support through a first connecting block, the positioning block I is located on the end face of the first connecting block, the positioning block I and the first connecting block are arranged in the same vertical direction, and an adjusting gasket is arranged between the first connecting block and the positioning block I; one of the two pin positioning mechanisms is a main pin positioning mechanism, the other pin positioning mechanism is an auxiliary pin positioning mechanism, a positioning pin in the main pin positioning mechanism is a step cylindrical pin, an auxiliary positioning pin in the auxiliary pin positioning mechanism is a step pin, one end of the auxiliary positioning pin is machined with a guide offset, and the other end of the auxiliary positioning pin is machined into a diamond shape;
the two second positioning devices, the two third positioning devices and the two clamping devices are respectively and symmetrically arranged on the base device; the main pin positioning mechanism and the auxiliary pin positioning mechanism are respectively positioned between a second positioning device and a third positioning device on two sides, one of the two positioning devices is positioned on one side of the two positioning devices and matched with the main pin positioning mechanism, the other clamping device is positioned on the other side of the two positioning devices and matched with the auxiliary pin positioning mechanism, so that the clamping devices can clamp and locate the auxiliary frame upper plate on the main positioning pin of the main pin positioning mechanism and the auxiliary positioning pin of the auxiliary pin positioning mechanism.
2. The device for positioning and welding the cross beam of the auxiliary frame of the automobile as claimed in claim 1, wherein the base device comprises a bottom plate and a trolley, the bottom plate is horizontally and fixedly mounted on the trolley, universal wheels are arranged at the bottom of the trolley, and the pin positioning mechanism is mounted on the bottom plate.
3. The automobile subframe beam positioning and welding device as claimed in claim 2, wherein a second connecting block is fixedly arranged on the other side surface of the telescopic pin cylinder mounting support, a third connecting block is fixedly arranged on the bottom plate, and the second connecting block and the third connecting block are fixedly connected, so that the telescopic pin cylinder mounting support is fixedly connected with the bottom plate through the second connecting block and the third connecting block; the telescopic pin cylinder mounting support and the second connecting block are provided with adjusting gaskets capable of adjusting the X-direction position of the pin positioning mechanism, and the adjusting gaskets capable of adjusting the Y-direction position of the pin positioning mechanism are arranged between the second connecting block and the third connecting block.
4. The automobile subframe beam positioning and welding device as claimed in claim 2, wherein the second positioning device comprises a slide rail mounting support A, two slide rails, a slide block mounting support A, a connecting block AI, a connecting block AII, a connecting block AIII, a limiting block, a cylinder I mounting support, a cylinder I and a protective cover; the sliding rail mounting support A is fixedly arranged on the bottom plate, the two sliding rails are symmetrically fastened on the sliding rail mounting support A, the limiting block is fastened at the tail end of the sliding rail mounting support A, and the mounting support of the air cylinder I is fastened at the front end of the sliding rail mounting support A; the sliding blocks are arranged on the two sliding rails, the sliding block mounting bracket A is arranged on the sliding blocks and is fixedly connected with the sliding blocks, the connecting block AIII is arranged on the sliding block mounting bracket A, one end of the connecting block AII is arranged on the connecting block AIII, the connecting block AII is arranged on one end of the connecting block AII, which is far away from the connecting block AIII, and cylindrical balls are arranged in grooves of the connecting block AII and the connecting block AII; the I fastening of cylinder is on I installing support of cylinder, just the drive shaft and the slider installing support A fixed connection of cylinder I, the protection casing cover is located the surface of cylinder I.
5. The automotive subframe beam tack welding device of claim 4, wherein each clamping device comprises a cylinder fixing support, a turnover cylinder fastened on the cylinder fixing support and a clamping block fastened on a turnover mechanism of the turnover cylinder, and the cylinder fixing support is fastened on the bottom plate; the clamping blocks are respectively positioned above the first positioning device, the second positioning device and the third positioning device.
6. The positioning welding device for the automobile subframe cross beam as claimed in claim 2, wherein the positioning block I is an L-shaped block, the positioning surface of the positioning block I is an inclined surface, and the inclination angle of the positioning surface is the same as that of the subframe lower plate.
7. The automobile subframe cross beam positioning and welding device as claimed in claim 1, wherein the stepped hole comprises a first cavity, a second cavity and a third cavity which are communicated in sequence, and the aperture of the second cavity is smaller than that of the first cavity and that of the third cavity.
8. The automobile subframe beam fixed-position welding device of claim 4, wherein the sliding block mounting bracket A is a convex block, a screw through hole and a sliding block mounting groove are formed in the sliding block mounting bracket A and used for mounting a sliding block and a connecting block AIII, a clamping groove is further formed in one end of the sliding block mounting bracket A, and one end of a connecting rod in the air cylinder I is fixedly arranged in the clamping groove.
9. The automotive subframe beam tack welding apparatus of claim 4 wherein said cylindrical balls are hollow cylinders with smooth outer surfaces.
10. The positioning and welding device for the cross beam of the auxiliary frame of the automobile as claimed in claim 1, wherein the mounting bracket of the cylinder I is in a shape of a 'n' and is fastened on the end face of the mounting bracket of the slide rail.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910340607.7A CN109940303A (en) | 2019-04-25 | 2019-04-25 | A kind of automobile accessory frame crossbeam fixed-position welding device |
| CN2019103406077 | 2019-04-25 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110711965A true CN110711965A (en) | 2020-01-21 |
| CN110711965B CN110711965B (en) | 2024-06-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910340607.7A Withdrawn CN109940303A (en) | 2019-04-25 | 2019-04-25 | A kind of automobile accessory frame crossbeam fixed-position welding device |
| CN201922069383.9U Active CN211305261U (en) | 2019-04-25 | 2019-11-26 | Car sub vehicle frame crossbeam fixed-position welding device |
| CN201911169975.6A Active CN110711965B (en) | 2019-04-25 | 2019-11-26 | Automobile auxiliary frame beam positioning welding device |
Family Applications Before (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910340607.7A Withdrawn CN109940303A (en) | 2019-04-25 | 2019-04-25 | A kind of automobile accessory frame crossbeam fixed-position welding device |
| CN201922069383.9U Active CN211305261U (en) | 2019-04-25 | 2019-11-26 | Car sub vehicle frame crossbeam fixed-position welding device |
Country Status (1)
| Country | Link |
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| CN (3) | CN109940303A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113732596A (en) * | 2021-08-25 | 2021-12-03 | 达奥（芜湖）汽车制品有限公司 | Welding fixture for rear frame rear cross beam combination of automobile |
| CN113732597A (en) * | 2021-08-25 | 2021-12-03 | 达奥（芜湖）汽车制品有限公司 | Rear frame swing arm bracket mounting and welding fixture for automobile |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109940303A (en) * | 2019-04-25 | 2019-06-28 | 广西源龙新能源车辆有限公司 | A kind of automobile accessory frame crossbeam fixed-position welding device |
| CN110744243B (en) * | 2019-11-15 | 2021-11-26 | 四川建安工业有限责任公司 | Auxiliary frame welding assembly fixture |
| CN112589340A (en) * | 2020-11-25 | 2021-04-02 | 广州瑞松智能科技股份有限公司 | Positioning pin telescopic mechanism |
| CN114619194B (en) * | 2022-05-16 | 2022-10-28 | 宁波旭升汽车技术股份有限公司 | Tool for welding processing |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN211305261U (en) | 2020-08-21 |
| CN109940303A (en) | 2019-06-28 |
| CN110711965B (en) | 2024-06-04 |
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