CN105312821A - Pressing arm positioning mechanism for welding of minibus - Google Patents

Pressing arm positioning mechanism for welding of minibus Download PDF

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Publication number
CN105312821A
CN105312821A CN201510863611.3A CN201510863611A CN105312821A CN 105312821 A CN105312821 A CN 105312821A CN 201510863611 A CN201510863611 A CN 201510863611A CN 105312821 A CN105312821 A CN 105312821A
Authority
CN
China
Prior art keywords
platform
plate
top board
pillar
riser
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.)
Pending
Application number
CN201510863611.3A
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Chinese (zh)
Inventor
吴一帆
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.)
CHONGQING DADONG AUTO PARTS Co Ltd
Original Assignee
CHONGQING DADONG AUTO PARTS 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 CHONGQING DADONG AUTO PARTS Co Ltd filed Critical CHONGQING DADONG AUTO PARTS Co Ltd
Priority to CN201510863611.3A priority Critical patent/CN105312821A/en
Publication of CN105312821A publication Critical patent/CN105312821A/en
Pending legal-status Critical Current

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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
    • 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
    • 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
    • B23K2101/00Articles made by soldering, welding or cutting
    • B23K2101/006Vehicles

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  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Butt Welding And Welding Of Specific Article (AREA)

Abstract

The invention discloses a pressing arm positioning mechanism for welding of a minibus. The pressing arm positioning mechanism for the welding of the minibus is characterized in that a platform is supported through a bottom frame; an operation console provided with a bottom plate is arranged at a corner of the top surface of the platform; a supporting column is vertically fixed to the bottom plate, and a top plate is arranged on the top end of the supporting column; a separating plate for separating a first positioning hole and four second positioning holes is arranged on a horizontal plate of the top plate; a supporting seat is mounted in the middle part of the platform; an air cylinder is arranged on a vertical plate at the upper end of the supporting seat; a piston rod of the air cylinder is hinged with one end of a pressing arm, and two pressing blocks are arranged on the bottom surface of the pressing arm; positioning blocks in match with the pressing blocks are fixed to the top surface of the vertical plate; a supporting block is arranged on the surface of the upper part of the vertical plate; electrode guide blocks are mounted on the top surface of the supporting block, and a cushion block right above which a connecting block is arranged is fixedly supported on the electrode guide blocks. The mechanism is simple and convenient to operate, and high in clamping and positioning reliability, can effectively prevent the platform from shaking while buttons are operated, and can also avoid mis-operation.

Description

Pressure arm detent mechanism is used in a kind of minibus welding
Technical field
The invention belongs to technical field of tooling clamps, specifically, particularly a kind of minibus welding pressure arm detent mechanism.
Background technology
Minibus D post is arranged on the side of vehicle body, and it plays vital effect to the security performance of minibus side structure.Minibus D post is generally made up of outside plate on outside plate component under D post and D post, and when welding, usually point three operations complete, that is: 1) outside plate component under welding D post; 2) outside plate on outside plate component under D post and D post is welded together; 3) repair welding point.First operation and second operation of the welding of minibus D post have special fixture to carry out Set and Positioning, and the 3rd operation utilizes the fixture of the second operation directly to carry out often after the second operation completes, because the clamp structure of the second operation is complicated, more to the position of outside plate component under D post and D post upper outside plate clamping position, such one side can affect repair welding point operation, and the operating efficiency of the 3rd operation is reduced; On the other hand, some treats that the place of repair welding is covered by the second operation fixture, follow-up to take off after workpiece also will again repair welding once, because the carelessness of staff very easily causes solder skip, not only welding quality is difficult to ensure, and does not reach the requirement of uniform production.In addition, the panel controlling fixture action supports on the ground by support usually, and distance fixture is comparatively far away, and operated by personnel is inconvenient, wastes time and energy.
Summary of the invention
Technical problem to be solved by this invention is to provide a kind of structure simple, reliable minibus welding pressure arm detent mechanism.
Technical scheme of the present invention is as follows: a kind of minibus welding pressure arm detent mechanism, it is characterized in that: platform is supported by underframe, this underframe is frame structure, four angles place bottom underframe is provided with heightening base, the bottom surface of the end face fixed support underframe corresponding angles of described heightening base, the below of each heightening base install roller, the four rolling below underframe wherein two be universal wheel, two other is directional wheel; Have four datum holes by the rectangular distribution on the platform, the circular cover that each datum hole is arranged by correspondence is covered, described circular cover keep to the side place by pin and platform hinged;
At the angle place setting operation platform of described platform end face, this operating desk has base plate, and have three installing holes by isosceles triangle distribution in one end of base plate, bolt passes installing hole and stretches in platform, base plate and platform is fixed together; The other end of base plate is vertically fixed with pillar, this pillar is channel-section steel, on base plate, the position of corresponding column support type groove has breach suitable with it, the top of described pillar arranges top board, this top board is " L " shape, is made up of level board and vertical plate, and the vertical plate of top board and pillar fit fixing, one end of roof water flat board has first locating hole, and the other end of roof water flat board has four the second locating holes by the rectangular distribution;
The level board of described top board is provided with dividing plate, and this divider upright is in the level board of top board, and the bottom of dividing plate is welded mutually with the level board of top board, and the first locating hole and four the second locating holes are separated by dividing plate; In described first locating hole, power knob is installed, the bottom of this power knob is provided with rubber short column, rubber short column bottom power knob stretches in the first locating hole, both tight fits, in each second locating hole, cylinder Action Button is all housed, structure and the mounting means of cylinder Action Button are identical with power knob;
At the middle part erection support of described platform, the upper end of this bearing and the lower end of riser fix, cylinder is provided with in the side of described riser, the piston rod of cylinder stretches out straight up, and it is hinged by one end of free bearing and pressure arm, described pressure arm near the position of free bearing and riser hinged, arrange two briquettings along its length in the bottom surface of described pressure arm, the locating piece matched with briquetting is fixed on the end face of riser;
The plate face on described riser top arranges back-up block, installing electrodes guide pad on the end face of this back-up block, on electrode guide pad, fixed support has backing plate, backing plate is parallel to platform, directly over described backing plate, be provided with contiguous block, this contiguous block is " L " shape, and trailing arm and the pressure arm of contiguous block fix.
Adopt above technical scheme, special making the 3rd operation fixture carrys out the repair welding operation of adaptive surface hired car D post welding.After under minibus D post, outside plate component has welded with outside plate on D post, entirety has been placed on the 3rd operation fixture.The piston rod of cylinder moves upward, pressure arm is rotated, until two briquettings on pressure arm match with the locating piece of two on riser, by the front clamp of minibus D post, hold-down mechanism after the pneumatic type coordinating platform rear end to arrange, minibus D post can be realized accurately, reliably locate, thus can guarantee that minibus D post maintains static in repair welding point process, so not only ensure the accuracy of bond pad locations, and effectively reduce operation, operation is not only simple but also quick, greatly can improve welding efficiency.
Electrode guide pad on riser plays electrode guiding, and this electrode guide pad is clamped between back-up block and backing plate, and steadiness is good; Meanwhile, between backing plate and contiguous block, form grasping part, the auxiliary effect compressing location can be played to the front portion of minibus D post, to improve the reliability to minibus D post location further.
3rd operation fixture is provided with two cylinders, the control button of these two cylinders is arranged on the top board of operating desk, be specially: the first locating hole on roof water flat board is for installing power knob, four the second locating holes are for installing cylinder Action Button, four cylinder Action Buttons are one group between two, respectively control cylinder air inlet and give vent to anger.The control button of cylinder is arranged concentrated, clear on top board, is conducive to staff and identifies and operation.First locating hole and four the second locating holes are opened by baffle for separating, different operating spaces is formed like this in the both sides of dividing plate, first locating hole side is power operation district, second locating hole side is cylinder motion action district, the both hands of staff are positioned at different operating spaces and manipulate, and can effectively avoid producing maloperation.Each control button is tightly fixed with corresponding locating hole by the rubber short column of bottom, and assembly manipulation one is clapped and can be completed, not only easy but also laborsaving; The control button of cylinder is arranged on the corner of jig platform, and staff places workpiece and leans to one side to operate, and greatly reduces the operation easier of staff, effectively improves working (machining) efficiency.
On platform, four datum holes are by the rectangular distribution for measuring position fixing, to guarantee the accuracy of welding position; The circular cover that datum hole is arranged by platform upper surface correspondence is covered, and circular cover and platform are hinged, have opening and closing two states, when needs use datum hole, circular cover is turned over certain angle, makes datum hole open; Blocked by circular cover time datum hole does not use, now circular cover plays protection, can either keep off ash, and when can prevent from again picking and placeing workpiece, datum hole is impacted damage.
The base plate of operating desk is fixed by three bolts through its installing hole and the 3rd operation jig platform, easy accessibility, is connected firmly, reliably.The pillar adopting channel-section steel to make between base plate with top board is connected, and pillar selection is convenient, and cost is low, and structural strength is good, not easily deforms or damages, the good stability of roof supporting, can effectively prevent from shaking during action button.On base plate, the position of corresponding column support type groove has breach, both can save material, can be convenient to again contraposition when pillar and base plate are assembled.Top board is " L " shape, and moulding is simple on the one hand, is easy to processing and fabricating; On the other hand, the contact area of top board and column is large, and the fixing that both connect is secure.Square frame is set in the below of platform, the structural strength of platform can be increased, prevent platform from deforming or damage; Heightening base is connected with underframe on the one hand, and assembling roller is convenient, can guarantee the flatness of platform on the other hand; Four rolling is convenient to whole device and is moved, to change position as required.
As preferably, the cross section of described pillar is " U " shape.
As preferably, described top board is shaping by steel plate punched.
Beneficial effect: structure of the present invention is simple, easy and simple to handle, the fixing of clamping position is good, and not only the control button of cylinder is arranged concentrated, clear on top board, be conducive to staff to identify and operation, and operating desk is connected firm with platform, the good stability of operating platform, can effectively prevent from shaking during action button, while reduction intensity of workers, effectively improve welding efficiency, and be convenient to origin reference location, to guarantee the accuracy of welding position; Operating area is carried out subregion by dividing plate, makes the both hands of staff be arranged in different regions, can effectively avoid producing maloperation.
Accompanying drawing explanation
Fig. 1 is layout schematic diagram of the present invention.
Fig. 2 is the structural representation of operating desk.
Fig. 3 is the layout schematic diagram of pressure arm and briquetting and locating piece.
Detailed description of the invention
Below in conjunction with drawings and Examples, the invention will be further described:
As shown in Figure 1 and Figure 2, platform 4 is rectangle, is supported by underframe 5, and this underframe 5 is frame structure, and underframe 5 and platform 4 are welded and fixed.Four angles place bottom underframe 5 is provided with heightening base 6, the bottom surface of end face fixed support underframe 5 corresponding angles of heightening base 6, in the below of each heightening base 6, roller 7 is installed, four rolling 7 below underframe 5 wherein two be universal wheel, two other is directional wheel, so that whole device moves and be positioned at the position of needs.
As shown in Figure 1, platform 4 has four datum holes by the rectangular distribution, the upper and lower surface of the through platform 4 of datum hole, the circular cover C that the upper aperture of each datum hole is arranged by correspondence covers.Circular cover C keep to the side place by pin and platform 4 hinged, such circular cover C can rotate around pin joint, has opening and closing two states.When needs use datum hole, circular cover C is turned over certain angle, and circular cover C is opened, and datum hole is open; Blocked by the circular cover C closed time datum hole does not use.
As shown in Figure 1 and Figure 2, at the angle place setting operation platform of platform 4 end face, this operating desk has base plate 1, and base plate 1 is shaping by steel plate punched, and is arranged in the angle place of platform 4.Have three in one end of base plate 1 by the installing hole 1a of isosceles triangle distribution, wear bolt in each installing hole 1a, base plate 1 is fixed on platform.The other end of base plate 1 is vertically fixed with pillar 2, and this pillar 2 is channel-section steel.As preferably, the cross section of pillar 2 is " U " shape, and the lower end of pillar 2 is welded with base plate 1.On base plate 1, the position of corresponding pillar 2 type groove has breach 1b suitable with it, and in the present embodiment, breach 1b is " U " shape.
As shown in Figure 1 and Figure 2, arrange top board 3 on the top of pillar 2, this top board 3 is " L " shape, is made up of level board and vertical plate, and top board 3 is shaping by steel plate punched.Vertical plate and the pillar 2 of top board 3 fit, and are welded and fixed.The level board of top board 3 parallels with base plate 1, has a first locating hole 3a in one end of top board 3 level board, and the other end of top board 3 level board has four the second locating hole 3b by the rectangular distribution.The level board of top board 3 is provided with dividing plate B, and this dividing plate B is preferably steel plate, and perpendicular to the level board of top board 3.The bottom of dividing plate B is welded mutually with the level board of top board 3, and the first locating hole 3a and four the second locating hole 3b separates by dividing plate B.
As shown in Figure 1 and Figure 2, in the first locating hole 3a, install power knob A, the bottom of this power knob A is provided with rubber short column, and the rubber short column bottom power knob A stretches in the first locating hole 3a, both tight fits.In each second locating hole 3b, cylinder Action Button is all housed, the structure of cylinder Action Button and mounting means identical with power knob A, do not repeat at this.Four cylinder Action Buttons are one group between two, respectively control cylinder air inlet and give vent to anger.
As shown in Figure 1, Figure 3, be " L " shape at the middle part erection support M of platform 4, this bearing M, and fixed by bolt and platform 4.Bearing M arranges riser N, and riser N is perpendicular to platform 4, and the plate face of riser N lower end and the upper end of bearing M fit, and riser N is fixed by many bolts and bearing M.Be provided with cylinder L in the side of riser N, the cylinder body of cylinder L is fixedly connected with riser N, and the piston rod of cylinder L stretches out straight up, and hinged by one end of free bearing and pressure arm O.Pressure arm O near the position of free bearing and riser N hinged, arrange two briquetting P in the bottom surface of pressure arm O along the length direction of pressure arm O, these two briquetting P are fixed by bolt and pressure arm O.The end face of riser N installs two locating piece Q, these two locating piece Q and two briquetting P one_to_one corresponding.
As shown in Figure 1, Figure 3, the plate face on riser N top arranges back-up block R, this back-up block R and riser N fixes, and the end face of back-up block R fixedly mounts electrode guide pad S, and electrode guide pad S is preferably flat sleeping " mountain " font.On electrode guide pad S, fixed support has backing plate T, and backing plate T is parallel to platform 4.Directly over backing plate T, be provided with contiguous block U, this contiguous block U is " L " shape, is made up of trailing arm and transverse arm.Contiguous block U is between two briquetting P, and the trailing arm of contiguous block U and pressure arm O fix.When the front portion of minibus D post is put between two briquetting P and two locating piece Q, pressure arm O is driven to rotate by the piston rod of cylinder L, can make the front clamp of minibus D post between briquetting P and locating piece Q, and the corresponding position of minibus D post compresses by the grasping part formed between backing plate T and contiguous block U, hold-down mechanism after the pneumatic type coordinating the front and back bracing or strutting arrangement on platform and platform rear end to arrange, can realize minibus D post and accurately, reliably locate.

Claims (1)

1. pressure arm detent mechanism is used in a minibus welding, it is characterized in that: platform (4) is supported by underframe (5), this underframe (5) is frame structure, heightening base (6) is provided with at four angles place of underframe (5) bottom, the bottom surface of end face fixed support underframe (5) corresponding angles of described heightening base (6), in the below of each heightening base (6), roller (7) is installed, underframe (5) below four rolling (7) wherein two be universal wheel, two other is directional wheel; Described platform (4) has four datum holes by the rectangular distribution, circular cover (C) that each datum hole is arranged by correspondence is covered, described circular cover (C) keep to the side place by pin and platform (4) hinged;
At the angle place setting operation platform of described platform (4) end face, this operating desk has base plate (1), three installing holes (1a) by isosceles triangle distribution are had in one end of base plate (1), bolt passes installing hole (1a) and stretches in platform (4), base plate (1) and platform (4) is fixed together, the other end of base plate (1) is vertically fixed with pillar (2), this pillar (2) is channel-section steel, the position of upper corresponding pillar (2) the type groove of base plate (1) has breach (1b) suitable with it, the top of described pillar (2) arranges top board (3), this top board (3) is " L " shape, be made up of level board and vertical plate, vertical plate and the pillar (2) of top board (3) fit fixing, one end of top board (3) level board has first locating hole (3a), the other end of top board (3) level board has four the second locating holes (3b) by the rectangular distribution,
The level board of described top board (3) is provided with dividing plate (B), this dividing plate (B) is perpendicular to the level board of top board (3), the bottom of dividing plate (B) is welded mutually with the level board of top board (3), and the first locating hole (3a) and four the second locating holes (3b) are separated by dividing plate (B); In described first locating hole (3a), power knob (A) is installed, the bottom of this power knob (A) is provided with rubber short column, the rubber short column of power knob (A) bottom stretches in the first locating hole (3a), both tight fits, in each second locating hole (3b), cylinder Action Button is all housed, the structure of cylinder Action Button and mounting means identical with power knob (A);
At the middle part erection support (M) of described platform (4), the upper end of this bearing (M) and the lower end of riser (N) fix, cylinder (L) is provided with in the side of described riser (N), the piston rod of cylinder (L) stretches out straight up, and it is hinged by one end of free bearing and pressure arm (O), position and the riser (N) of the close free bearing of described pressure arm (O) are hinged, two briquettings (P) are set along its length in the bottom surface of described pressure arm (O), the locating piece (Q) matched with briquetting (P) is fixed on the end face of riser (N),
The plate face on described riser (N) top arranges back-up block (R), installing electrodes guide pad (S) on the end face of this back-up block (R), the upper fixed support of electrode guide pad (S) has backing plate (T), backing plate (T) is parallel to platform (4), contiguous block (U) is provided with directly over described backing plate (T), this contiguous block (U) is " L " shape, and trailing arm and the pressure arm (O) of contiguous block (U) fix;
The cross section of described pillar (2) is " U " shape;
Described top board (3) is shaping by steel plate punched.
CN201510863611.3A 2015-12-01 2015-12-01 Pressing arm positioning mechanism for welding of minibus Pending CN105312821A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201510863611.3A CN105312821A (en) 2015-12-01 2015-12-01 Pressing arm positioning mechanism for welding of minibus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201510863611.3A CN105312821A (en) 2015-12-01 2015-12-01 Pressing arm positioning mechanism for welding of minibus

Publications (1)

Publication Number Publication Date
CN105312821A true CN105312821A (en) 2016-02-10

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Application Number Title Priority Date Filing Date
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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1336447A1 (en) * 2002-02-19 2003-08-20 ThyssenKrupp Drauz GmbH Process for laser welding of sheet metal parts
CN101104233A (en) * 2007-08-10 2008-01-16 东华大学 Modular self-adaptive regulation clamp to weld car and its regulating method
CN102689125A (en) * 2011-03-23 2012-09-26 哈尔滨新科锐工艺装备制造有限公司 Repair welding clamp for lower body of light weight vehicle
CN103433673A (en) * 2013-08-23 2013-12-11 芜湖奕辰模具科技有限公司 Multi-touch lower vehicle body repair welding tool
CN103862218A (en) * 2012-12-18 2014-06-18 北汽福田汽车股份有限公司 Clamping device

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1336447A1 (en) * 2002-02-19 2003-08-20 ThyssenKrupp Drauz GmbH Process for laser welding of sheet metal parts
CN101104233A (en) * 2007-08-10 2008-01-16 东华大学 Modular self-adaptive regulation clamp to weld car and its regulating method
CN102689125A (en) * 2011-03-23 2012-09-26 哈尔滨新科锐工艺装备制造有限公司 Repair welding clamp for lower body of light weight vehicle
CN103862218A (en) * 2012-12-18 2014-06-18 北汽福田汽车股份有限公司 Clamping device
CN103433673A (en) * 2013-08-23 2013-12-11 芜湖奕辰模具科技有限公司 Multi-touch lower vehicle body repair welding tool

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Application publication date: 20160210

RJ01 Rejection of invention patent application after publication