CN211305261U - Car sub vehicle frame crossbeam fixed-position welding device - Google Patents

Car sub vehicle frame crossbeam fixed-position welding device Download PDF

Info

Publication number
CN211305261U
CN211305261U CN201922069383.9U CN201922069383U CN211305261U CN 211305261 U CN211305261 U CN 211305261U CN 201922069383 U CN201922069383 U CN 201922069383U CN 211305261 U CN211305261 U CN 211305261U
Authority
CN
China
Prior art keywords
positioning
pin
cylinder
block
connecting block
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN201922069383.9U
Other languages
Chinese (zh)
Inventor
张�雄
黄楚峰
杨奕思
詹咪
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Guangxi Yuanlong New Neeiectric Vehicle Co ltd
Original Assignee
Guangxi Yuanlong New Neeiectric Vehicle Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Guangxi Yuanlong New Neeiectric Vehicle Co ltd filed Critical Guangxi Yuanlong New Neeiectric Vehicle Co ltd
Application granted granted Critical
Publication of CN211305261U publication Critical patent/CN211305261U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23KSOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K31/00Processes relevant to this subclass, specially adapted for particular articles or purposes, but not covered by only one of the preceding main groups
    • B23K31/02Processes 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
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23KSOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K37/00Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
    • B23K37/04Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work
    • B23K37/0426Fixtures for other work
    • B23K37/0435Clamps
    • B23K37/0443Jigs
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02TCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00Road transport of goods or passengers
    • Y02T10/10Internal combustion engine [ICE] based vehicles
    • Y02T10/40Engine management systems

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Automatic Assembly (AREA)
  • Jigs For Machine Tools (AREA)

Abstract

The utility model discloses a car sub vehicle frame crossbeam fixed-position welding device belongs to tool equipment technical field. 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 utility model discloses can prevent to cross the location and lead to difficult dress piece and prevent the damage of part and the wearing and tearing of frock, improve work efficiency and also prolonged life.

Description

Car sub vehicle frame crossbeam fixed-position welding device
[ technical field ] A method for producing a semiconductor device
The utility model relates to a tooling equipment technical field, concretely relates to car sub vehicle frame crossbeam fixed-position welding device.
[ 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.
[ Utility model ] content
The utility model aims at the above-mentioned problem, provide a simple structure, design science, location accuracy, economical and practical's car sub vehicle frame crossbeam fixed-position welding device.
In order to achieve the above object, the utility model adopts the following technical scheme:
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 beneficial effects of the utility model are that:
(1) the telescopic positioning pin of the utility model moves back the pin through the cylinder after welding, thereby avoiding the problem of difficult disassembly of the pin manually after welding deformation, effectively improving the working efficiency and lightening the burden of workers; 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 utility model discloses an upper plate positioner design has slide rail and cylinder ball etc. to make the cylinder can control whole positioner advance along the slide rail and fix a position sub vehicle frame upper plate, can return along the slide rail again after the welding finishes, withdraws from the crossbeam cavity that welds, the difficult problem of withdrawing from the device and tearing down of manual work of work piece clamping positioner after the welding deformation of solution; 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 utility model relates to a car sub vehicle frame crossbeam fixed-position welding device design science, simple structure, economical and practical come quick location with the help of the cylinder, and work is simple, connects swiftly, and each part of device all uses the screw connection not only to dismantle conveniently, has simplified processing technology moreover, practices thrift the cost.
[ 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 present invention;
FIG. 2 is an assembly schematic view 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 view of an auxiliary frame cross beam in the welding device for an auxiliary frame cross beam of an automobile according to an embodiment of the present invention;
fig. 4 is a schematic structural view of a kingpin positioning mechanism of a first positioning device in a cross beam welding device of an auxiliary frame of an automobile according to an embodiment of the present invention;
fig. 5 is a cross-sectional view of a kingpin positioning mechanism of a first positioning device in a cross beam welding device of an auxiliary frame of an automobile according to an embodiment of the present invention;
fig. 6 is a schematic structural view of a main positioning pin of a first positioning 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 view of an auxiliary pin positioning mechanism of a first positioning device in a cross beam welding device of an auxiliary frame of an automobile according to an embodiment of the present invention;
fig. 8 is a schematic structural view of an auxiliary positioning pin of a first positioning device in a device for welding a cross beam of an auxiliary frame of an automobile 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 an auxiliary frame of an automobile according to an embodiment of the present invention;
fig. 12 is a schematic structural view of a slider mounting bracket a of a second positioning device in a cross beam welding device of an auxiliary frame of an automobile according to an embodiment of the present invention;
fig. 13 is a schematic structural diagram of a connecting block aii of a second positioning device in a cross beam welding device 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 an auxiliary frame of an automobile 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 in a cross beam welding device of an auxiliary frame of an automobile according to an embodiment of the present invention;
fig. 16 is a schematic structural diagram of a clamping device in a welding device for a cross beam of an auxiliary frame of an automobile according to an embodiment of the present 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 described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to 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 use method of the package of the present invention:
(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. Because the utility model discloses the device has the automatic round pin function that moves back, and work piece heat altered shape produced stress when effectively solving the welding blocks the locating pin, leads to the problem of artifical difficult piece of getting.
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 for the detailed description of the preferred possible embodiments of the present invention, but the embodiments are not intended to limit the scope of the present invention, and all equivalent changes or modifications accomplished under the technical spirit suggested by the present invention should fall within the scope 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 4, wherein the mounting bracket I of the air cylinder is in a shape of a 'n' and is fastened on the end face of the mounting support A of the slide rail.
CN201922069383.9U 2019-04-25 2019-11-26 Car sub vehicle frame crossbeam fixed-position welding device Active CN211305261U (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN2019103406077 2019-04-25
CN201910340607.7A CN109940303A (en) 2019-04-25 2019-04-25 A kind of automobile accessory frame crossbeam fixed-position welding device

Publications (1)

Publication Number Publication Date
CN211305261U true CN211305261U (en) 2020-08-21

Family

ID=67016209

Family Applications (3)

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 (1)

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

Family Applications After (1)

Application Number Title Priority Date Filing Date
CN201911169975.6A Active CN110711965B (en) 2019-04-25 2019-11-26 Automobile auxiliary frame beam positioning welding device

Country Status (1)

Country Link
CN (3) CN109940303A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110711965A (en) * 2019-04-25 2020-01-21 广西源龙新能源车辆有限公司 Car sub vehicle frame crossbeam fixed-position welding device

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
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
CN113732596B (en) * 2021-08-25 2023-06-09 达奥(芜湖)汽车制品有限公司 Welding fixture for rear auxiliary frame and rear cross beam combination in automobile
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

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100483757B1 (en) * 2003-03-31 2005-04-19 지이티 주식회사 Weldment Clamping Device
KR101032173B1 (en) * 2009-06-16 2011-05-02 ( 주 ) 화신 Kingpin assembly device for vehicle
CN201483187U (en) * 2009-08-24 2010-05-26 上海汇众汽车制造有限公司 Automobile counter-deformation device for sub-frame welding
CN201579564U (en) * 2009-09-04 2010-09-15 浙江吉利汽车有限公司 Quick positioning device
CN201913413U (en) * 2010-11-25 2011-08-03 安徽万安汽车零部件有限公司 Auxiliary frame welding fixture
CN104057232B (en) * 2014-06-30 2016-06-01 长城汽车股份有限公司 A kind of Rear secondary frame for vehicle rear frame member gripping unit
CN108927622A (en) * 2018-08-03 2018-12-04 李青华 A kind of clamp system of automobile rear-wheel cover connecting plate welding processing
CN108971847A (en) * 2018-08-03 2018-12-11 李青华 A kind of chuck apparatus for the left back wheel cover welding processing of automobile
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

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110711965A (en) * 2019-04-25 2020-01-21 广西源龙新能源车辆有限公司 Car sub vehicle frame crossbeam fixed-position welding device
CN110711965B (en) * 2019-04-25 2024-06-04 广西源龙新能源车辆有限公司 Automobile auxiliary frame beam positioning welding device

Also Published As

Publication number Publication date
CN109940303A (en) 2019-06-28
CN110711965A (en) 2020-01-21
CN110711965B (en) 2024-06-04

Similar Documents

Publication Publication Date Title
CN211305261U (en) Car sub vehicle frame crossbeam fixed-position welding device
CN203253984U (en) Automobile hub bore numerical control milling device
CN205927679U (en) Supplementary support fixture of pipe cutting
CN102717258B (en) A kind of wheelset fitting dismounting machine
CN210175026U (en) Positioning tool for assembling automobile front end module
CN215281966U (en) Multi-posture conversion truss clamping manipulator compatible with two engine cylinder bodies
CN211413795U (en) Knuckle ear processingequipment
CN210997696U (en) Horizontal rotation switching device
CN204171686U (en) The table assembly of Compositions of metal-working machines
CN219986902U (en) Electric motor car battery production line is with putting rolling roller bearing support and lying and add anchor clamps
CN206643587U (en) Gear press mounting dismounting machine
CN219851678U (en) Spacing frock of punch press for precision machine preparation
CN201686277U (en) Automatic switching device for hanger positioning pins of overhead chain conveyor
CN219112798U (en) Servo numerical control spin riveting machine
CN209697952U (en) A kind of automatic riveting machine automatic aligning riveting jig
CN212761939U (en) Spot welding frock quick change system
CN218800295U (en) Positioning mechanism with universal motion and tool table
CN221019617U (en) Automatic tightening machine for automobile half shaft
CN214162444U (en) Novel grinding machine clamping tool
CN220373000U (en) Tool for machining disc parts
CN218612609U (en) Brake caliper post-welding press fitting tool structure without machining
CN214814834U (en) High-low precision three-rail lathe
CN221849352U (en) Workpiece clamp of spliced multi-station CNC multi-axis machining machine
CN220993636U (en) Clamp suitable for double-end machining of central hole of shaft knuckle
CN213733609U (en) Adjustable combined machine body of press machine

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant