CN113996990A - Welding positioning fixture for door lock reinforcing plate - Google Patents

Welding positioning fixture for door lock reinforcing plate Download PDF

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Publication number
CN113996990A
CN113996990A CN202111291922.9A CN202111291922A CN113996990A CN 113996990 A CN113996990 A CN 113996990A CN 202111291922 A CN202111291922 A CN 202111291922A CN 113996990 A CN113996990 A CN 113996990A
Authority
CN
China
Prior art keywords
positioning
door lock
clamping
arm
welding
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Withdrawn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
CN202111291922.9A
Other languages
Chinese (zh)
Inventor
卢峰
胡拥军
黄强军
陶文成
余亮
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.)
Wuhu Power Technology Research Co Ltd
Original Assignee
Wuhu Power Technology Research 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 Wuhu Power Technology Research Co Ltd filed Critical Wuhu Power Technology Research Co Ltd
Priority to CN202111291922.9A priority Critical patent/CN113996990A/en
Publication of CN113996990A publication Critical patent/CN113996990A/en
Withdrawn legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
    • B23K37/04—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work
    • B23K37/0426—Fixtures for other work
    • B23K37/0435—Clamps
    • B23K37/0443—Jigs
    • 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

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  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Resistance Welding (AREA)

Abstract

The invention provides a welding positioning fixture for a door lock reinforcing plate, which belongs to the field of automobile welding, and is characterized in that a support mechanism is arranged to support a door lock bracket, two positioning pins are used for positioning and placing the door lock bracket and the door lock reinforcing plate, a clamping mechanism is driven by a clamping cylinder to overturn downwards so that a positioning clamping arm and the positioning pins are used for positioning and clamping the welding part of the door lock bracket and the door lock reinforcing plate together, a welding clamp guide block is positioned between the positioning clamping arms and moves along with the movement of the clamping mechanism, thus, the welding gun can enter the welding position of the door lock bracket and the door lock reinforcing plate for welding operation in a guiding way, the positioning and clamping arm, the positioning pin and the welding gun guide block are closely related, the door lock support and the door lock reinforcing plate can be well welded in a positioning mode, and the problem that welding positioning of the door lock support and the door lock reinforcing plate is not accurate enough due to poor matching of the positioning clamping arm, the positioning pin and the welding gun guide block is solved.

Description

Welding positioning fixture for door lock reinforcing plate
Technical Field
The invention relates to the field of automobile welding, in particular to a welding positioning clamp for a door lock reinforcing plate.
Background
Various welding fixtures are needed to position and clamp various parts in the production of automobile parts, an automobile door lock support is the part of an automobile door, a door lock reinforcing plate needs to be welded on the door lock support, the door lock reinforcing plate is a main part for reinforcing the automobile door lock, and quick positioning welding and consistency are very important. Prior art patent CN112427871A a door guide rail assembly welding jig, the base plate be provided with two sets of clamping mechanism on the surface, clamping mechanism includes the locating piece, the upper end of locating piece is provided with the pneumatic tight piece of clamp, the left end that the pneumatic tight piece of clamp is provided with the support stopper, just be located the rear end between support stopper and the pneumatic tight piece of clamp and be provided with the manual tight piece of clamp, the left end that the manual tight piece of clamp is provided with the cylinder, the front end of cylinder is provided with the tight piece of miniature upset clamp, the lower extreme that the tight piece of miniature upset clamp is provided with the soldering turret direction, the left end that the soldering turret direction was provided with the locating pin, the upper end of locating pin is provided with and presss from both sides tight piece. But the lock reinforcing plate welds in lock support upper middle part, need adopt the locating pin to fix a position both to adopt the soldering turret guide block to carry out the direction good to soldering turret and lock reinforcing plate, make things convenient for the soldering turret direction to get into and carry out the soldering turret, consequently press from both sides tight arm, the locating pin, the welder direction three needs to match and sets up well, consequently solves this problem and just seems very necessary.
Disclosure of Invention
In order to solve the problems, the invention provides a welding positioning fixture for a door lock reinforcing plate, which is characterized in that a support mechanism is arranged to support a door lock support, two positioning pins are used for positioning and placing the door lock support and the door lock reinforcing plate, a clamping mechanism is driven to overturn downwards through a clamping cylinder so that a positioning clamping arm and the positioning pins are used for positioning and clamping the welding position of the door lock support and the door lock reinforcing plate together, a welding tongs guide block is positioned between the positioning clamping arms and moves along with the movement of the clamping mechanism, so that a welding gun can enter the welding position of the door lock support and the door lock reinforcing plate in a guiding manner, the positioning clamping arms, the positioning pins and the welding gun guide block are closely associated, the door lock support and the door lock reinforcing plate can be well positioned and welded, and the problems in the background technology are solved.
The invention aims to provide a welding positioning fixture for a door lock reinforcing plate, which comprises a tooling plate, wherein two fixture mechanisms which are symmetrical left and right are arranged on the tooling plate;
the fixture mechanism comprises a mounting frame arranged on the tooling plate, a supporting mechanism is arranged on the front side of the mounting frame, and a left positioning pin and a right positioning pin are arranged in the middle of the supporting mechanism; a clamping cylinder is hinged to the rear side of the mounting frame, a connecting arm is hinged to the top piston rod of the clamping cylinder forwards, and the connecting arm is hinged to the top end of the mounting frame; the front side of the connecting arm is connected with a clamping mechanism, the clamping mechanism comprises a positioning clamping arm matched with the two positioning pins, and the clamping mechanism further comprises a welding clamp guide block positioned between the two positioning clamping arms.
The further improvement lies in that: the supporting mechanism comprises a mounting plate arranged on the front side of the mounting frame, a left first supporting arm and a right first supporting arm are arranged on the front side of the mounting plate, and a left positioning pin and a right positioning pin are respectively positioned at the inner ends of the tops of the left first supporting arm and the right first supporting arm; the mounting panel front side is located the first support arm outside and is provided with the second support arm.
The further improvement lies in that: and a third supporting arm is arranged from the front end of the second supporting arm at the outer side of the left second supporting arm and the right second supporting arm to the inner side.
The further improvement lies in that: the clamping mechanism comprises a first clamping arm arranged at the bottom of the front end of the connecting arm, and the two positioning clamping arms are positioned at the left end and the right end of the front side of the first clamping arm and are vertically matched with the left first supporting arm and the right first supporting arm; the top of the front end of the connecting arm is provided with a second clamping arm which is vertically matched with the left second supporting arm and the right second supporting arm.
The further improvement lies in that: the positioning clamping arm is inclined towards the lower part of the front side, and the welding clamp guide block is fixed at the bottom end of the first clamping arm.
The further improvement lies in that: the positioning clamping arm is provided with a positioning hole matched with the positioning pin; the front side of the welding tongs guide block is a longitudinal guide groove with a front opening.
The invention has the beneficial effects that: the door lock support is supported by the support mechanism, the two positioning pins are used for positioning and placing the door lock support and the door lock reinforcing plate, the clamping mechanism is driven by the clamping cylinder to overturn downwards so that the positioning and clamping arms and the positioning pins are used for positioning and clamping the welding position of the door lock support and the door lock reinforcing plate together, the welding tongs guide block is positioned between the positioning and clamping arms and moves along with the movement of the clamping mechanism, so that a welding gun can enter the welding position of the door lock support and the door lock reinforcing plate for welding operation in a guiding manner, the positioning and clamping arms, the positioning pins and the welding gun guide block are closely associated, and the door lock support and the door lock reinforcing plate can be well positioned and welded;
the supporting mechanism comprises two first supporting arms for supporting the bottom end of the door lock support, two second supporting arms for supporting the portion, tilted up, of the side edge of the door lock support, a third supporting arm for supporting the portion, tilted up, of the front side of the door lock support, and three supporting arms for stably supporting the door lock support;
thirdly, the positioning clamping arm of the first clamping arm of the clamping mechanism is matched with the first supporting arm, and the second clamping arm is matched with the second supporting arm, so that stable clamping can be realized, and the stability in welding operation is ensured;
the positioning and clamping arm is provided with the positioning hole matched with the positioning pin, so that the positioning and clamping matching degree is better, and the clamping is more stable and accurate; the front side of the welding tongs guide block is a longitudinal guide groove with a front opening, so that the welding tongs can enter smoothly and accurately, and the excellent welding effect is ensured.
Drawings
FIG. 1 is a schematic representation of the present invention.
Fig. 2 is a schematic view of the clamping mechanism on the left side of the present invention.
Fig. 3 is a schematic view of fig. 2 with the door lock bracket and the door lock reinforcement plate clamped.
Fig. 4 is a schematic view of the clamp mechanism of the left side of the present invention at the clamping cylinder.
Wherein: 1-a tooling plate, 2-a mounting frame, 3-a positioning pin, 4-a clamping cylinder, 5-a connecting arm, 6-a positioning clamping arm, 7-a welding clamp guide block, 8-a mounting plate, 9-a first supporting arm, 10-a second supporting arm, 11-a third supporting arm, 12-a first clamping arm, 13-a second clamping arm, 14-a positioning hole, 15-a longitudinal guide groove, 16-a door lock bracket and 17-a door lock reinforcing plate.
Detailed Description
For the purpose of enhancing understanding of the present invention, the present invention will be further described in detail with reference to the following examples, which are provided for illustration only and are not to be construed as limiting the scope of the present invention.
As shown in fig. 1-4, the embodiment provides a welding positioning fixture for a door lock reinforcing plate, which includes a tooling plate 1, wherein the tooling plate 1 is provided with two symmetrical fixture mechanisms at left and right sides; the fixture mechanism comprises an installation frame 2 arranged on the tooling plate 1, a support mechanism is arranged on the front side of the installation frame 2, and a left positioning pin and a right positioning pin 3 are arranged in the middle of the support mechanism; a clamping cylinder 4 is hinged to the rear side of the mounting frame 2, a connecting arm 5 is hinged to the top piston rod of the clamping cylinder 4 in a forward mode, and the connecting arm 5 is hinged to the top end of the mounting frame 2; the front side of the connecting arm 5 is connected with a clamping mechanism, the clamping mechanism comprises positioning and clamping arms 6 matched with the two positioning pins 3, and the clamping mechanism also comprises a welding clamp guide block 7 positioned between the two positioning and clamping arms 6; support door lock support 16 through setting up supporting mechanism like this, two locating pins 3 are fixed a position and are placed door lock support 16 and lock reinforcing plate 17, clamping mechanism drives through die clamping cylinder 4 and overturns downwards and make location clamping arm 6 and locating pin 3 carry out the location clamp to door lock support 16 and lock reinforcing plate 17 welding part together, soldering turret guide block 7 is located between a location clamping arm 6 and moves along with clamping mechanism's removal, but welder direction enters into door lock support 16 and lock reinforcing plate 17 welding part department and carries out welding operation like this, location clamping arm 6, locating pin 3, welder guide block 7 three closely associates, can be fine carry out the location weld to door lock support 16 and lock reinforcing plate 17.
The supporting mechanism comprises a mounting plate 8 arranged on the front side of the mounting frame 2, a left first supporting arm and a right first supporting arm 9 are arranged on the front side of the mounting plate 8, and the left positioning pin and the right positioning pin 3 are respectively positioned at the inner ends of the tops of the left first supporting arm and the right first supporting arm 9; a second supporting arm 10 is arranged on the front side of the mounting plate 8 and positioned outside the first supporting arm 9; a third supporting arm 11 is arranged from the front end of the second supporting arm 10 at the outer side of the left and right second supporting arms 9 to the inner side; like this two first support arms 9 support 16 bottoms of door lock support, and two second support arms 10 support the part of 16 side perk of door lock support, and third support arm 11 supports the part of 16 front sides perk of door lock support, and three support arms can stabilize support door lock support 16.
The clamping mechanism comprises a first clamping arm 12 arranged at the bottom of the front end of the connecting arm 5, and the two positioning clamping arms 6 are positioned at the left end and the right end of the front side of the first clamping arm 12 and are vertically matched with the left first supporting arm and the right first supporting arm 9; a second clamping arm 13 which is vertically matched with the left and right second supporting arms 10 is arranged at the top of the front end of the connecting arm 5; the positioning clamping arm 6 of the first clamping arm 12 is matched with the first supporting arm 9, and the second clamping arm 13 is matched with the second supporting arm 10, so that stable clamping can be realized, and the stability in welding operation is ensured.
The positioning and clamping arm 6 is inclined towards the lower part of the front side, and the welding clamp guide block 7 is fixed at the bottom end of the first clamping arm 12. The positioning and clamping arm 6 is provided with a positioning hole 14 matched with the positioning pin 3, so that the positioning and clamping matching degree is better; the front side of the welding tongs guide block 7 is a longitudinal guide groove 15 with a front opening, so that the welding tongs can enter smoothly and accurately, and the excellent welding effect is ensured.
In actual use: firstly, the bottom end of a door lock support 16 is placed on a first support arm 9, the tilting parts of two side edges of the door lock support 16 are placed on a second support arm 10, the tilting part of the front side edge of the door lock support 16 is placed on a third support arm 11, two holes of the door lock support 16 are inserted into two positioning pins 3, then a door lock reinforcing plate 17 is placed on the door lock support 16, two holes of the door lock reinforcing plate 17 are inserted into the two positioning pins 3, thus the door lock support 16 and the door lock reinforcing plate 17 are positioned and placed together, then a clamping cylinder 4 is started to drive a connecting arm 5 to turn downwards, so that a positioning clamping arm 6 of a first clamping arm 12 is pressed downwards above the first support arm 9 to clamp the middle part of the door lock support 16, a positioning hole 14 of the positioning clamping arm 6 is inserted into the positioning pin 3 to accurately position and clamp, a second clamping arm 13 is pressed downwards above the second support arm 10 to clamp the tilting parts of two side edges of the door lock support 16, finally, the welding tongs are inserted into the door lock reinforcing plate 17 through the longitudinal guide grooves 15 of the welding tongs guide block 7 to weld the door lock support 16 and the door lock reinforcing plate 17 together.

Claims (6)

1. A welding positioning clamp for a door lock reinforcing plate comprises a tooling plate (1), wherein a left clamp mechanism and a right clamp mechanism are arranged on the tooling plate (1) in a symmetrical mode;
the method is characterized in that: the fixture mechanism comprises a mounting frame (2) arranged on the tooling plate (1), a supporting mechanism is arranged on the front side of the mounting frame (2), and a left positioning pin and a right positioning pin (3) are arranged in the middle of the supporting mechanism; a clamping cylinder (4) is hinged to the rear side of the mounting frame (2), a connecting arm (5) is hinged to the top piston rod of the clamping cylinder (4) forwards, and the connecting arm (5) is hinged to the top end of the mounting frame (2); the front side of the connecting arm (5) is connected with a clamping mechanism, the clamping mechanism comprises positioning and clamping arms (6) matched with the two positioning pins (3), and the clamping mechanism further comprises a welding clamp guide block (7) positioned between the two positioning and clamping arms (6).
2. The welding positioning jig for the door lock reinforcing plate according to claim 1, characterized in that: the supporting mechanism comprises a mounting plate (8) arranged on the front side of the mounting frame (2), a left first supporting arm and a right first supporting arm (9) are arranged on the front side of the mounting plate (8), and the left positioning pin and the right positioning pin (3) are respectively positioned at the inner ends of the tops of the left first supporting arm and the right first supporting arm (9); a second supporting arm (10) is arranged on the front side of the mounting plate (8) and positioned outside the first supporting arm (9).
3. The welding positioning jig for the door lock reinforcing plate according to claim 2, characterized in that: and a third supporting arm (11) is arranged from the front end of the second supporting arm (10) at the outer side of the left and right second supporting arms (9) to the inner side.
4. The welding positioning jig for the door lock reinforcing plate according to claim 2, characterized in that: the clamping mechanism comprises a first clamping arm (12) arranged at the bottom of the front end of the connecting arm (5), and the two positioning clamping arms (6) are positioned at the left end and the right end of the front side of the first clamping arm (12) and are vertically matched with the left first supporting arm and the right first supporting arm (9); a second clamping arm (13) which is vertically matched with the left and right second supporting arms (10) is arranged at the top of the front end of the connecting arm (5).
5. The welding positioning jig for the door lock reinforcing plate according to claim 4, characterized in that: the positioning and clamping arm (6) is inclined towards the lower part of the front side, and the welding clamp guide block (7) is fixed at the bottom end of the first clamping arm (12).
6. The welding positioning jig for the door lock reinforcing plate according to claim 5, wherein: the positioning and clamping arm (6) is provided with a positioning hole (14) matched with the positioning pin (3); the front side of the welding tongs guide block (7) is a longitudinal guide groove (15) with a front opening.
CN202111291922.9A 2021-11-03 2021-11-03 Welding positioning fixture for door lock reinforcing plate Withdrawn CN113996990A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202111291922.9A CN113996990A (en) 2021-11-03 2021-11-03 Welding positioning fixture for door lock reinforcing plate

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202111291922.9A CN113996990A (en) 2021-11-03 2021-11-03 Welding positioning fixture for door lock reinforcing plate

Publications (1)

Publication Number Publication Date
CN113996990A true CN113996990A (en) 2022-02-01

Family

ID=79926920

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202111291922.9A Withdrawn CN113996990A (en) 2021-11-03 2021-11-03 Welding positioning fixture for door lock reinforcing plate

Country Status (1)

Country Link
CN (1) CN113996990A (en)

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Application publication date: 20220201