CN111230395A - Mechanism for solving problem of rapid welding of products - Google Patents

Mechanism for solving problem of rapid welding of products Download PDF

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Publication number
CN111230395A
CN111230395A CN202010217539.8A CN202010217539A CN111230395A CN 111230395 A CN111230395 A CN 111230395A CN 202010217539 A CN202010217539 A CN 202010217539A CN 111230395 A CN111230395 A CN 111230395A
Authority
CN
China
Prior art keywords
bottom plate
frame body
upper frame
positioning
solving
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.)
Withdrawn
Application number
CN202010217539.8A
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Chinese (zh)
Inventor
张大海
陈曦
许家年
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.)
Hefei Giant Machinery Manufacturing Co ltd
Original Assignee
Hefei Giant Machinery Manufacturing 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 Hefei Giant Machinery Manufacturing Co ltd filed Critical Hefei Giant Machinery Manufacturing Co ltd
Priority to CN202010217539.8A priority Critical patent/CN111230395A/en
Publication of CN111230395A publication Critical patent/CN111230395A/en
Withdrawn legal-status Critical Current

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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
    • B23K37/047—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work moving work to adjust its position between soldering, welding or cutting steps
    • 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
    • B23K31/003—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 controlling of welding distortion
    • 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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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Butt Welding And Welding Of Specific Article (AREA)

Abstract

The invention discloses a mechanism for solving the problem of fast welding of products, which comprises an upper frame body and a double-shaft rotary positioner, wherein a welding tool is detachably connected to the double-shaft rotary positioner, a positioning device is arranged on the welding tool, the upper frame body is arranged on the welding tool through the positioning device, and the positioning device comprises: the middle position of the top of the bottom plate is fixed with a positioning shaft, the upper frame body is provided with a positioning hole in rotating fit with the positioning shaft, and the horizontal limiting assembly is arranged at the top of the bottom plate close to the front end of the bottom plate and limits the rotation of the upper frame body in a pushing and clamping mode; the invention reasonably and effectively improves the processing efficiency, can control the welding deformation of the product, greatly improves the product quality, and effectively saves the labor cost and the material cost.

Description

Mechanism for solving problem of rapid welding of products
Technical Field
The invention relates to the technical field of welding of an upper frame of a miniature excavator, in particular to a mechanism for solving the problem of rapid welding of products.
Background
In the prior art, as the sub-parts on the upper frame are mostly thin plate parts, welding deformation is easy to generate during welding, and the size of the tapping hardness is difficult to control.
However, the above conventional manufacturing process has the following disadvantages:
1. when the product is manufactured, the bottom surface of the product needs to be reinforced before welding to control welding deformation and ensure the flatness of the mounting surface of the slewing bearing, so that the manufacturing method increases the labor intensity of workers, influences the production efficiency and has unstable product quality state;
2. when a worker welds a workpiece, the workpiece is complex, the parts required to be welded are more, the worker needs to turn over the workpiece by means of a travelling crane, the workload is increased, and the workpiece is easy to collide and deform in the turning-over process.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a mechanism for solving the problem of rapid welding of products, and solves the problems mentioned in the background technology.
In order to achieve the purpose, the invention is realized by the following technical scheme: a mechanism for solving the problem of product quick welding comprises an upper frame body and a double-shaft rotary positioner;
the welding tool is detachably connected to the double-shaft rotary positioner, a positioning device is arranged on the welding tool, and the upper frame body is mounted on the welding tool through the positioning device;
the positioning device includes:
the positioning shaft is fixed at the central position of the top of the bottom plate, and the upper frame body is provided with a positioning hole in rotating fit with the positioning shaft;
the horizontal limiting assembly is arranged at the top of the bottom plate close to the front end of the bottom plate, and the horizontal limiting assembly limits the rotation of the upper frame body in a pushing and clamping mode;
the vertical limiting assembly is fixed to the top of the bottom plate and limits vertical movement of the upper frame body in a clamping mode.
Further, the double-shaft rotary positioner is a double-rotary L-shaped single positioner.
Further, the bottom of the welding tool is installed on a rotary disc of the double-shaft rotary positioner through bolts.
Furthermore, a plurality of supporting blocks are welded on the top of the bottom plate respectively to support the upper frame body.
Furthermore, equal-height cushion blocks are welded at the top of the bottom plate.
Further, horizontal spacing subassembly includes:
the pneumatic pushing clamp is fixed at the top of one side, close to the bottom plate, of the bottom plate, and a push rod of the pneumatic pushing clamp faces the middle of the bottom plate;
the positioning leaning seat is fixed at the top of the bottom plate close to the other side of the bottom plate, and the front end of the upper frame body is located between the pneumatic pushing clamp and the positioning leaning seat.
Further, the vertical stop assembly includes:
the pneumatic overturning clamp comprises four pneumatic overturning clamps, the four pneumatic overturning clamps are all fixed at the top of the bottom plate close to the rear end of the bottom plate, and the four pneumatic overturning clamps are arranged on the bottom plate in a centrosymmetric manner;
and the manual clamp is fixed at the top of the bottom plate close to the front end face of the bottom plate, and the manual clamp is horizontally and obliquely arranged on the bottom plate.
Compared with the prior art, the invention has the following beneficial effects:
1. aiming at the characteristic that a product is easy to deform during welding, the assembled upper frame body is placed in a welding tool, and the upper frame body is subjected to reversible deformation during welding by using a pneumatic overturning clamp according to the deformation trend, so that the flatness of the mounting surface of the slewing bearing meets the requirement after the upper frame body is welded;
2. aiming at the reversible deformation compaction of the workpiece during welding, the traditional mechanical compaction mode is replaced by the pneumatic overturning clamp, so that the labor intensity of workers is greatly reduced, the manufacturing time of products is reduced, and the labor efficiency is improved;
3. to the structure of product, install welding frock on biax rotary positioner, ensure the welding angle of each welding seam of frame body, ensure welding quality, reduced the intensity of labour that the workman stood up with hanging, improved labor efficiency.
Drawings
FIG. 1 is a perspective view of the upper frame body of the present invention mounted on a welding fixture;
FIG. 2 is a perspective view of the pneumatic roll-over clamp of the present invention open;
FIG. 3 is a perspective view of the pneumatic reverse clamp closure of the present invention;
FIG. 4 is a perspective view of the welding tool of the present invention mounted on a biaxial rotary positioner.
In the figure: 1-loading a frame body, 2-a double-shaft rotary positioner, 3-a welding tool, 301-a bottom plate, 302-a positioning shaft, 303-a supporting block, 304-an equal-height cushion block, 305-a pneumatic pushing clamp, 306-a positioning seat, 307-a pneumatic overturning clamp and 308-a manual clamp.
Detailed Description
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.
Referring to fig. 1-4, the present invention provides a technical solution: a mechanism for solving the problem of product rapid welding comprises an upper frame body 1 and a double-shaft rotary positioner 2;
the double-shaft rotary positioner 2 is a double-rotary L-shaped single positioner, the double-shaft rotary positioner 2 is detachably connected with a welding tool 3, the welding tool 3 is provided with a positioning device, and the upper frame body 1 is arranged on the welding tool 3 through the positioning device;
the positioning device includes:
a positioning shaft 302 is fixed at the central position of the top of the bottom plate 301, and a positioning hole which is rotationally matched with the positioning shaft 302 is formed in the upper frame body 1;
the horizontal limiting assembly is arranged at the top of the bottom plate 301 close to the front end of the bottom plate, and the horizontal limiting assembly limits the rotation of the upper frame body 1 in a pushing and clamping mode;
the vertical limiting assembly is fixed at the top of the bottom plate 301 and limits vertical movement of the upper frame body 1 in a clamping mode.
The bottom of the welding tool 3 is installed on a rotary disc of the double-shaft rotary positioner 2 through bolts, the double-shaft rotary positioner 3 can turn over the upper frame body 1, the welding tool 3 is installed on the double-shaft rotary positioner 2, the welding angle of each welding line of the upper frame body 1 is ensured, the welding quality is ensured, the labor intensity of workers for turning over by crane is reduced, and the labor efficiency is improved.
The top of bottom plate 301 has welded a plurality of supporting shoes 303 respectively to the realization has the support to last frame body 1, and the top welding of bottom plate 301 has equal altitude cushion 304, increases the area of contact between bottom plate 301 and the last frame body 1 bottom, prevents to be the cavity state between the two and lead to the great emergence damage of atress when welding last frame body 1.
Horizontal spacing subassembly includes:
the pneumatic pushing clamp 305 is fixed at the top of one side of the bottom plate 301, and a push rod of the pneumatic pushing clamp 305 faces to the middle of the bottom plate 301;
and a positioning rest 306, wherein the positioning rest 306 is fixed on the top of the bottom plate 301 close to the other side thereof, and the front end of the upper frame body 1 is positioned between the pneumatic pushing clamp 305 and the positioning rest 306.
Vertical spacing subassembly includes:
the number of the pneumatic overturning clamps 307 is four, the four pneumatic overturning clamps 307 are all fixed on the top of the bottom plate 301 close to the rear end of the bottom plate, and the four pneumatic overturning clamps 307 are arranged on the bottom plate 301 in a centrosymmetric manner;
the manual clamp 308 is fixed on the top of the bottom plate 301 close to the front end face of the bottom plate, the manual clamp 308 is horizontally arranged on the bottom plate 301 in an inclined mode, and the area occupied by the welding tool 3 can be reduced due to the arrangement of the manual clamp 308.
When the upper frame body 1 is ready to be placed on the welding tool 3 in operation, each pneumatic pushing clamp 305, each manual clamp 308 and each pneumatic pushing clamp 305 are in an open state, the upper frame body 1 is inserted into the positioning shaft 302 through the positioning hole on the upper frame body to realize positioning, after the upper frame body 1 is positioned on the welding tool 3, the pneumatic pushing clamps 305 are started to push the upper frame body 1 until the upper frame body 1 is tightly attached to the positioning seat 306, then the pneumatic overturning clamps 307 are started to position and clamp the upper frame body 1 in the vertical direction by matching with the manual clamps 308, finally, the upper frame body 1 is reversely deformed during welding, the flatness of the mounting surface of the rotary support meets the requirement after the upper frame body 1 is welded, and the traditional mechanical pressing mode is replaced by the pneumatic overturning clamps 307, the labor intensity of workers is greatly reduced, the manufacturing time of products is reduced, and the labor efficiency is improved.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (7)

1. A mechanism for solving the problem of fast welding of products comprises an upper frame body (1) and a double-shaft rotary positioner (2);
the method is characterized in that: the double-shaft rotary positioner (2) is detachably connected with a welding tool (3), the welding tool (3) is provided with a positioning device, and the upper frame body (1) is arranged on the welding tool (3) through the positioning device;
the positioning device includes:
the middle position of the top of the bottom plate (301) is fixed with a positioning shaft (302), and the upper frame body (1) is provided with a positioning hole which is in running fit with the positioning shaft (302);
the horizontal limiting assembly is arranged at the top of the bottom plate (301) close to the front end of the bottom plate, and the horizontal limiting assembly limits the rotation of the upper frame body (1) in a pushing and clamping mode;
the vertical limiting assembly is fixed to the top of the bottom plate (301) and limits vertical movement of the upper frame body (1) in a clamping mode.
2. The mechanism for solving the problem of product quick welding according to claim 1 is characterized in that: the double-shaft rotary positioner (2) is a double-rotary L-shaped single positioner.
3. The mechanism for solving the problem of product quick welding according to claim 2 is characterized in that: the bottom of the welding tool (3) is installed on a rotary disc of the double-shaft rotary positioner (2) through a bolt.
4. The mechanism for solving the problem of product quick welding according to claim 3 is characterized in that: the top of the bottom plate (301) is welded with a plurality of supporting blocks (303) respectively to support the upper frame body (1).
5. The mechanism for solving the problem of product quick welding according to claim 4 is characterized in that: the top of the bottom plate (301) is welded with a cushion block (304) with equal height.
6. The mechanism for solving the problem of product quick welding according to claim 5 is characterized in that: horizontal spacing subassembly includes:
the pneumatic pushing clamp (305) is fixed at the top of one side, close to the bottom plate (301), of the bottom plate (301), and a push rod of the pneumatic pushing clamp (305) faces to the middle of the bottom plate (301);
the positioning leaning seat (306) is fixed at the top of the bottom plate (301) close to the other side of the bottom plate, and the front end of the upper frame body (1) is located between the pneumatic pushing clamp (305) and the positioning leaning seat (306).
7. The mechanism for solving the problem of product quick welding according to claim 6 is characterized in that: the vertical limiting assembly comprises:
the number of the pneumatic overturning clamps (307) is four, the four pneumatic overturning clamps (307) are all fixed at the top of the bottom plate (301) close to the rear end of the bottom plate, and the four pneumatic overturning clamps (307) are arranged on the bottom plate (301) in a centrosymmetric manner;
the manual clamp (308) is fixed on the top of the bottom plate (301) close to the front end face of the bottom plate, and the manual clamp (308) is horizontally arranged on the bottom plate (301) in an inclined mode.
CN202010217539.8A 2020-03-25 2020-03-25 Mechanism for solving problem of rapid welding of products Withdrawn CN111230395A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202010217539.8A CN111230395A (en) 2020-03-25 2020-03-25 Mechanism for solving problem of rapid welding of products

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202010217539.8A CN111230395A (en) 2020-03-25 2020-03-25 Mechanism for solving problem of rapid welding of products

Publications (1)

Publication Number Publication Date
CN111230395A true CN111230395A (en) 2020-06-05

Family

ID=70862946

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202010217539.8A Withdrawn CN111230395A (en) 2020-03-25 2020-03-25 Mechanism for solving problem of rapid welding of products

Country Status (1)

Country Link
CN (1) CN111230395A (en)

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Application publication date: 20200605