CN112318031A - Platform type flexible welding fixture - Google Patents
Platform type flexible welding fixture Download PDFInfo
- Publication number
- CN112318031A CN112318031A CN202011156454.XA CN202011156454A CN112318031A CN 112318031 A CN112318031 A CN 112318031A CN 202011156454 A CN202011156454 A CN 202011156454A CN 112318031 A CN112318031 A CN 112318031A
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- Prior art keywords
- strip
- bottom frame
- platform
- fixing
- fixture
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Classifications
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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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K2101/00—Articles made by soldering, welding or cutting
- B23K2101/006—Vehicles
-
- 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
- B23K2103/00—Materials to be soldered, welded or cut
- B23K2103/02—Iron or ferrous alloys
- B23K2103/04—Steel or steel alloys
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- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Clamps And Clips (AREA)
Abstract
The invention provides a platform type flexible welding fixture, which belongs to the field of rail vehicles and comprises a bottom frame, a strip-shaped platform assembly and a plurality of fixture assemblies, wherein the bottom frame is horizontally arranged, the strip-shaped platform assembly is arranged at the upper end of the bottom frame and detachably fixed with the bottom frame, the plurality of fixtures are fixedly arranged on the strip-shaped platform assembly, and one fixture assembly corresponds to one starting switch; the strip-shaped platform assembly comprises a first fixing strip and a second fixing strip, wherein first connecting plates are arranged at the two ends of the upper surface and the lower surface of the first fixing strip in the length direction, the first fixing strip is connected with the bottom frame through the first connecting plates, and at least one T-shaped groove is arranged on each of the two side surfaces of the first fixing strip; the fixture assembly is fixed in the T-shaped groove. The invention realizes semi-automatic part clamping, positioning and flexible and adjustable platform, and has strong clamp compatibility and high efficiency.
Description
Technical Field
The invention belongs to the field of railway vehicles, relates to welding construction of a plane steel structure, and particularly relates to a platform type flexible welding fixture.
Background
The existing assembly welding fixture for the plane steel structure or the mode of the clamping part of the customized integral cast iron platform and the lead screw fixture is used for carrying out assembly welding after the part is clamped, or the mode of the fastening part of the hollow frame type platform and the lead screw (or the quick clamping) is used for carrying out welding, the compression mode is heavy and single, the special degree is higher, and the difficulty in transformation of production is higher.
In the prior art, the whole steel platform type tool is flexible to a certain extent, if the position of the fixture is adjusted, a positioning hole or a T-shaped groove needs to be newly formed in each adjustment, after the whole steel platform is used for a period of time, the number of holes and grooves formed in the cast iron platform is too large, and the platform cannot be used; traditional fretwork frame-type frock is the customization formula frock basically, can not realize structural great adjustment, does not basically have the flexibility to say, and the fixture is pressed the card and is wasted time and energy, and the fixture of two kinds of frocks is all heavier simultaneously, is difficult for the adjustment, and is inefficient.
Disclosure of Invention
The invention aims to solve the problems that a platform type flexible welding fixture is provided, the semi-automatic part clamping and positioning can be realized, the platform is flexible and adjustable, the fixture compatibility is strong, the efficiency is high, the problems that the existing fixture is heavy, not easy to reform and low in efficiency are solved, and the rapid compression and rapid switching in construction are realized.
In order to solve the technical problems, the invention adopts the technical scheme that: the platform-type flexible welding fixture comprises a bottom frame, a strip-shaped platform assembly and a plurality of fixture assemblies, wherein the bottom frame is horizontally arranged, the strip-shaped platform assembly is arranged at the upper end of the bottom frame and detachably fixed with the bottom frame, the plurality of fixtures are fixedly arranged on the strip-shaped platform assembly, and one fixture assembly corresponds to one starting switch;
the strip-shaped platform assembly comprises a first fixing strip and a second fixing strip, first connecting plates are arranged at two ends of the upper surface and the lower surface of the first fixing strip in the length direction, the first fixing strip is connected with the bottom frame through the first connecting plates, and at least one T-shaped groove is formed in each of two side surfaces of the first fixing strip;
the upper end and the lower end of the second fixing strip in the length direction are both provided with a second connecting plate, the second fixing strip is connected with the bottom frame through the second connecting plate, and the upper end face of the second fixing strip is provided with at least one T-shaped groove;
the fixture assembly is fixed in the T-shaped groove.
Furthermore, the bottom frame is of a frame structure and is welded into an integral structure by adopting sectional materials, and the planeness of the upper end face of the bottom frame is less than or equal to 0.2 mm.
Furthermore, the quantity of first fixed strip is a plurality of and a plurality of parallel arrangement, the quantity of second fixed strip is a plurality of and establishes a plurality of the both sides of first fixed strip, second fixed strip and first fixed strip parallel arrangement.
Furthermore, the both sides face of first fixed strip all is equipped with the T type groove symmetry setting of two T type grooves and both sides, the quantity in the up end T type groove of second fixed strip is parallel arrangement between a plurality of and a plurality of.
Furthermore, a matched T-shaped block is arranged in the T-shaped groove, the fixture assembly comprises an adapter plate, an inner connecting hole is formed in the adapter plate, a screw penetrates through the connecting hole and then is fixed with the T-shaped block, and the connecting hole is a smooth round hole or a long hole.
Furthermore, the fixture assembly comprises a side fixing and pressing assembly, a side fixing and rotating pressing assembly and an upper fixing and pressing assembly, the side fixing and rotating pressing assembly and the upper fixing and pressing assembly are all of elbow clamp type structures, and the difference lies in that the positions of the opposite adapter plates are different.
Compared with the prior art, the invention has the following advantages and positive effects.
1. The structure of the invention starts with optimizing the whole structure from three aspects of flexible adjustment of the platform, flexible adjustment of positioning and more efficient and faster clamping mode, can realize the advantages of semi-automatic part clamping, flexible adjustment of positioning and platform, strong compatibility and high efficiency of the clamp, overcomes the problems of heavy weight, difficult reconstruction and low efficiency of the existing fixture, and realizes rapid compaction and rapid switching in construction;
2. the first fixing strip and the second fixing strip are freely combined relative to the bottom frame to meet the flexibility requirement of the platform surface, and the arrangement of the plurality of T-shaped grooves facilitates the arrangement and installation of the fixture assembly and the adapter plate and is flexible and variable;
3. the bottom frame adopts a hollow structure, so that pneumatic pipeline wiring of the fixture assembly is facilitated, the space is saved, the bottom frame is convenient to move, the bottom frame is subjected to heat treatment stress removal after being welded together, and then the bottom frame is integrally machined and milled to form the foundation of the whole platform.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate an embodiment of the invention and, together with the description, serve to explain the invention and not to limit the invention. In the drawings:
FIG. 1 is a schematic structural view of a platform-type compliant welding fixture of the present invention;
FIG. 2 is a detail view of section A of FIG. 1 of the present invention;
FIG. 3 is a schematic view of the structure of a first fixing strip of the present invention;
FIG. 4 is a detail view of section B of FIG. 3 of the present invention;
FIG. 5 is a schematic view of the present invention with a second fixing strip;
FIG. 6 is a schematic structural view of a side mount compression assembly of the present invention;
FIG. 7 is a schematic structural view of a side stationary rotary compression assembly of the present invention;
fig. 8 is a schematic structural view of the stationary hold-down assembly of the present invention.
Reference numerals:
1. a bottom frame; 2. a strip platform assembly; 21. a first fixing strip; 211. a first connecting plate; 22. a second fixing strip; 221. a second connecting plate; 3. a clamp assembly; 31. the side fixing compression assembly; 32. the side fixing rotary compressing component; 33. the upper fixing and pressing component; 4. a T-shaped groove; 5. an adapter plate.
Detailed Description
It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.
The following detailed description of specific embodiments of the invention refers to the accompanying drawings.
As shown in fig. 1-8, the present invention is a platform-type flexible welding fixture, which comprises a bottom frame 1, a strip-shaped platform assembly 2 and a plurality of fixture assemblies 3, wherein the bottom frame 1 is horizontally arranged, the strip-shaped platform assembly 2 is arranged at the upper end of the bottom frame 1, and the strip-shaped platform assembly and the bottom frame are detachably fixed by screws and connected, the plurality of fixtures are fixedly arranged on the strip-shaped platform assembly 2, and one fixture assembly 3 corresponds to one start switch;
the strip-shaped platform assembly 2 comprises a first fixing strip 21 and a second fixing strip 22, both ends of the upper surface and the lower surface of the first fixing strip 21 in the length direction are provided with first connecting plates 211, the first fixing strip 21 is connected with the bottom frame 1 through the first connecting plates 211, and both side surfaces of the first fixing strip 21 are provided with at least one T-shaped groove 4; the upper and lower ends of the second fixing strip 22 in the length direction are both provided with a second connecting plate 221, the second fixing strip 22 is connected with the bottom frame 1 through the second connecting plate 221, and the upper end face of the second fixing strip 22 is provided with at least one T-shaped groove 4; the first fixing strip 21 and the second fixing strip 22 are freely combined relative to the bottom frame 1 to meet the requirement of flexibility of the platform surface.
The bottom frame 1 commonality that this application adopted is strong, the adjustment of being convenient for, and the fretwork formula structure is convenient for the gas circuit setting of fixture subassembly 3 and is walked line and installation simultaneously.
Preferably, the bottom frame 1 is of a frame structure, the bottom frame is welded into an integral structure by adopting sectional materials, the flatness of the upper end face of the bottom frame 1 is less than or equal to 0.2mm, a relatively firm frame is adopted so as to move, the bottom frame 1 is subjected to heat treatment stress removal after being welded together, and then the whole platform is milled to form the foundation of the whole platform.
Preferably, the number of the first fixing strips 21 is plural and the plural fixing strips are arranged in parallel, the number of the second fixing strips 22 is plural and the second fixing strips are arranged at both sides of the plural first fixing strips 21, and the second fixing strips 22 and the first fixing strips 21 are arranged in parallel.
Preferably, the both sides face of first fixed strip 21 all is equipped with two T type grooves 4 and the T type groove 4 symmetry setting of both sides, and the parallel arrangement between a plurality of and a plurality of is the quantity of the up end T type groove 4 of second fixed strip 22, and the setting and the installation of the fixture subassembly 3 of being convenient for and keysets 5 are nimble changeable in the setting in a plurality of T type grooves.
Preferably, a matched T-shaped block is arranged in the T-shaped groove 4, the fixture assembly 3 comprises an adapter plate 5, an inner connecting hole is formed in the adapter plate 5, a screw penetrates through the connecting hole and then is fixed with the T-shaped block, and the connecting hole is a smooth round hole or a long hole.
Preferably, the clamping device assembly 3 comprises a side fixed pressing assembly 31, a side fixed rotating pressing assembly 32 and an upper fixed pressing assembly 33, and the side fixed pressing assembly 31, the side fixed rotating pressing assembly 32 and the upper fixed pressing assembly 33 are all in a toggle clamp type structure, with the difference that the positions of the clamping devices relative to the adapter plate 5 are different.
In the actual use process, firstly, the flatness of the upper plane of the platform of the bottom frame 1 as a reference surface is ensured to be less than or equal to 0.2mm, and a laser swinger is adopted for detection to ensure flatness;
according to the structural characteristics of the parts to be welded, the arrangement of the strip-shaped platform assemblies 2 is designed on the bottom frame 1, and the strip-shaped platform assemblies 2 are installed;
according to the structural characteristics of parts to be welded, the strip-shaped platform assembly 2 is provided with the positioner, after the positioner is arranged, the arrangement of each group of pressing devices is arranged according to the beam column distribution of the parts to be welded, the parts are arranged according to two transverse and longitudinal directions, each beam column is ensured to have one group of pressing devices controlled by one switch, one beam is installed and clamped when the structure is used until the whole part is clamped, the structure starts from three aspects of flexible adjustment of the platform, flexible adjustment of the positioning and more efficient and rapid clamping mode to optimize the whole structure, the semi-automatic part clamping, flexible adjustment of the positioning and platform, strong compatibility of the clamping devices and high efficiency can be realized, the problems of heavy, difficult reconstruction and low efficiency of the existing fixture clamping devices are overcome, and the rapid clamping and rapid switching in construction are realized.
While one embodiment of the present invention has been described in detail, the description is only a preferred embodiment of the present invention and should not be taken as limiting the scope of the invention. All equivalent changes and modifications made within the scope of the present invention shall fall within the scope of the present invention.
Claims (6)
1. Platform formula flexibility welding fixture, its characterized in that: the device comprises a bottom frame, strip-shaped platform assemblies and a plurality of fixture assemblies, wherein the bottom frame is horizontally arranged, the strip-shaped platform assemblies are arranged at the upper end of the bottom frame and detachably fixed with the bottom frame, the plurality of fixtures are fixedly arranged on the strip-shaped platform assemblies, and one fixture assembly corresponds to one starting switch;
the strip-shaped platform assembly comprises a first fixing strip and a second fixing strip, first connecting plates are arranged at two ends of the upper surface and the lower surface of the first fixing strip in the length direction, the first fixing strip is connected with the bottom frame through the first connecting plates, and at least one T-shaped groove is formed in each of two side surfaces of the first fixing strip;
the upper end and the lower end of the second fixing strip in the length direction are both provided with a second connecting plate, the second fixing strip is connected with the bottom frame through the second connecting plate, and the upper end face of the second fixing strip is provided with at least one T-shaped groove;
the fixture assembly is fixed in the T-shaped groove.
2. The platform-based flexible welding fixture of claim 1, wherein: the bottom frame is of a frame structure and is welded into an integral structure by sectional materials, and the planeness of the upper end face of the bottom frame is less than or equal to 0.2 mm.
3. The platform-based flexible welding fixture of claim 1, wherein: the quantity of first fixed strip is a plurality of and a plurality of parallel arrangement, the quantity of second fixed strip is a plurality of and establishes a plurality of the both sides of first fixed strip, second fixed strip and first fixed strip parallel arrangement.
4. The platform-based, flexible welding fixture of any of claims 1-3, wherein: the both sides face of first fixed strip all is equipped with the T type groove symmetry setting of two T type grooves and both sides, the quantity in the up end T type groove of second fixed strip is a plurality of and parallel arrangement between a plurality of.
5. The platform-based flexible welding fixture of claim 1, wherein: the T-shaped groove is internally provided with matched T-shaped blocks, the fixture assembly comprises an adapter plate, the adapter plate is provided with inner connecting holes, screws penetrate through the connecting holes and then are fixed with the T-shaped blocks, and the connecting holes are smooth round holes or long holes.
6. The platform-based, flexible welding fixture of claim 5, wherein: the fixture assembly comprises a side fixing and compressing assembly, a side fixing and rotating compressing assembly and an upper fixing and compressing assembly, the side fixing and rotating compressing assembly and the upper fixing and compressing assembly are all of elbow clamping type structures, and the difference lies in that the positions of the relative adapter plates are different.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011156454.XA CN112318031A (en) | 2020-10-26 | 2020-10-26 | Platform type flexible welding fixture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011156454.XA CN112318031A (en) | 2020-10-26 | 2020-10-26 | Platform type flexible welding fixture |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112318031A true CN112318031A (en) | 2021-02-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011156454.XA Pending CN112318031A (en) | 2020-10-26 | 2020-10-26 | Platform type flexible welding fixture |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112318031A (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202174385U (en) * | 2011-08-08 | 2012-03-28 | 南车株洲电力机车有限公司 | Flexible device adaptable to assembling and welding of planar frame type metal structures |
| CN205325184U (en) * | 2015-12-15 | 2016-06-22 | 南车二七车辆有限公司 | Railway freight car coachwork basic platform for frock |
| CN205437636U (en) * | 2016-03-22 | 2016-08-10 | 中车唐山机车车辆有限公司 | Frame -type assembly welding frock |
-
2020
- 2020-10-26 CN CN202011156454.XA patent/CN112318031A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202174385U (en) * | 2011-08-08 | 2012-03-28 | 南车株洲电力机车有限公司 | Flexible device adaptable to assembling and welding of planar frame type metal structures |
| CN205325184U (en) * | 2015-12-15 | 2016-06-22 | 南车二七车辆有限公司 | Railway freight car coachwork basic platform for frock |
| CN205437636U (en) * | 2016-03-22 | 2016-08-10 | 中车唐山机车车辆有限公司 | Frame -type assembly welding frock |
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Application publication date: 20210205 |