CN103521984A - Assembly jig for forklift mast - Google Patents

Assembly jig for forklift mast Download PDF

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Publication number
CN103521984A
CN103521984A CN201310501506.6A CN201310501506A CN103521984A CN 103521984 A CN103521984 A CN 103521984A CN 201310501506 A CN201310501506 A CN 201310501506A CN 103521984 A CN103521984 A CN 103521984A
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CN
China
Prior art keywords
positioning seat
base plate
locating base
assembly jig
door frame
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Granted
Application number
CN201310501506.6A
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Chinese (zh)
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CN103521984B (en
Inventor
董艳平
谢云
高全胜
汪和平
李向阳
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Anhui Heli Co Ltd
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Anhui Heli Co Ltd
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Priority to CN201310501506.6A priority Critical patent/CN103521984B/en
Publication of CN103521984A publication Critical patent/CN103521984A/en
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    • 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

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  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Forklifts And Lifting Vehicles (AREA)

Abstract

The invention provides an assembly jig for a forklift mast. The assembly jig comprises a bottom plate, an upper beam end portion locating base and an I beam end portion locating base are fixedly arranged at one end of the bottom plate in an abreast mode, an upper combination locating base is fixedly arranged right in front of the upper beam end portion locating base, guide rails are fixedly arranged on the bottom plate and on the two outer sides of the upper combination locating base, stopping block parts are fixedly arranged on the two ends of each guide rail respectively, and a middle beam locating block and a lower combination locating base are sequentially in sliding connection with the guide rails. A height locating base is fixedly arranged right in front of the I beam end portion locating base, and a pair of clamping cylinders are fixedly arranged on the two sides of the upper combination locating base and the lower combination locating base respectively. The assembly jig meets the requirement for assembling an upper beam, a middle beam, a lower beam and an I beam of the mast in a forklift, so that product assembly efficiency and assembly quality are improved. Due to the fact that a middle beam locating block, the upper combination locating base and the lower combination locating base are respectively located in a sliding mode, the opening ranges of locating and supporting rods of the upper combination locating base and the lower combination locating base can be adjusted, assembly of masts of different specifications and types can be achieved through one jig.

Description

A kind of assembly jig of forklift door frame
Technical field
The present invention relates to fork truck technical field, be specifically related to a kind of assembly jig of forklift door frame.
 
Background technology
Operating mechanism for cargo lifting on fork truck is called door frame, inner upright mounting, outer mast, goods shelf, pallet fork, sprocket wheel, chain, lift oil tank and dump ram etc., consists of.The assembling of the door frame of fork truck is that benchmark positions mainly with channel-section steel one outside, and---home record strut is decided to be door frame and opens shelves---an other side holds out against; Upper, middle and lower crossbeam all adopts line assembling.This mounting means affects product quality, because the line modes of operation such as crossbeam is poor with respect to the centering of door frame, crossbeam rely on line and operating personnel's experience, accounts for significant proportion, and shelves opened by door frame and twist is unstable, quality is unstable.And bring labour intensity large with inefficient defect, this be the frequent use of line operation due to its upper, middle and lower crossbeam, home record strut all by manually operating, thereby cause hand labor intensity large; In addition, line operation, frequently taking of strut all need the labor intensive time, and efficiency is low.
 
Summary of the invention
The present invention is in order to solve the problems of the technologies described above, a kind of assembly jig of forklift door frame is provided, meets the assembling of gantry channel-steel, upper, middle and lower crossbeam, thereby improve the packaging efficiency of forklift door frame, and it is stable to ensure the quality of products, meet the assembling demand of height how wide in variety simultaneously.
Technical scheme of the present invention is: a kind of assembly jig of forklift door frame, comprise base plate, one termination of described base plate is installed with entablature end positioning seat and channel-section steel end positioning seat side by side, the dead ahead of described entablature end positioning seat is installed with integrated positioning seat, be positioned on the base plate in integrated positioning seat two outsides and be installed with guide rail, the two ends of described guide rail are all installed with block part, slidably connect successively middle cross beam locating piece, lower integrated positioning seat on guide rail; The dead ahead that is positioned at channel-section steel end positioning seat is installed with altitude location seat; The both sides of described upper integrated positioning seat and lower integrated positioning seat are respectively installed with a pair of clamping cylinder.
Further, the outside of described guide rail is installed with guard rail.
Further, described entablature end positioning seat comprises the base being fixedly connected with described base plate, and the upper end of described base is connected with flipping block.
Further, described upper integrated positioning seat comprises the lower underframe being fixedly connected with described base plate, and the upper surface of described lower underframe is installed with slide rail, slidably connects underframe on slide rail, and the two ends of slide rail are respectively equipped with slide block baffle plate; The upper surface symmetry of described upper underframe is installed with two centering upset locating pieces; The outside level of described centering upset locating piece is installed with positioning supporting rod.
Further, described lower integrated positioning seat comprises base plate, and the bottom face of described base plate is provided with the slide block matching with described guide rail, in the outside of slide block, is installed with alignment pin; The upper surface bilateral symmetry of described base plate is installed with two for the fixed station of fixing described clamping cylinder, is positioned at symmetry inside fixed station and is installed with two altitude location pieces; In the middle of the upper surface of described base plate, be installed with centering locating shaft, on described centering locating shaft, level is installed with positioning supporting rod.
Further, described middle cross beam locating piece comprises the fixed head that is provided with alignment pin, the bottom face of described fixed head is installed with the chute matching with described guide rail, the upper surface of fixed head is installed with positioning component, described positioning component comprises upper backup pad, the lower supporting plate being connected by two leads, on described lead, be arranged with spring, in the middle of described upper backup pad, be provided with centering locating piece.
Assembly jig of the present invention has met the assembling of inner door frame of forklift truck channel-section steel, upper, middle and lower crossbeam, thereby improves assembling product efficiency and assembling quality.Middle cross beam locating piece in this assembly jig, lower integrated positioning seat be by the guide rail location of sliding, thereby the door frame that meets different length is assembled; Simultaneously because upper integrated positioning seat and lower integrated positioning seat have all adopted the symmetrical location of centering swing arm, the operation of both sides synchronous clamping, thereby realization positions the entablature of full free gantry, middle cross beam, improves final precision and property easy to assembly.So the present invention has realized the dissimilar door frame assembling of many kinds, many height.
This assembly jig operating procedure when assembling forklift door frame is:
The first step is adjusted mould: according to completed knocked down products height, type, lower integrated positioning seat, middle cross beam locating piece are moved to after correct position by guide rail, with alignment pin and base plate, be fixed; To between the upper and lower underframe of upper integrated positioning seat, relatively move to adjust to correct position again; Replace with the positioning supporting rod of integrated positioning seat and lower integrated positioning seat simultaneously;
Second step: then gantry channel-steel is hung on mould, channel-section steel card is placed on the positioning supporting rod both sides of integrated positioning seat and lower integrated positioning seat, its top is close to channel-section steel end positioning seat and leans on jail, and regulate grade scope of opening of positioning supporting rod on integrated positioning seat and lower integrated positioning seat, then clamp channel-section steel with clamping cylinder;
The 3rd step: put into entablature, make it longitudinally be close to entablature end positioning seat, utilize flipping block to carry out centering location;
The 4th step: by middle cross beam pendulum on middle cross beam locating piece and aim at the circular arc locating surface of centering locating piece, centering locating piece declines because of the gravity of middle cross beam, and by lead, its held stationary is moved in decline process, middle cross beam is fitted with channel-section steel upper surface thereupon declining together, and location is aimed at its two ends with channel-section steel;
The 5th step: sill is longitudinally placed on lower integrated positioning seat, made its sidepiece be close to centering locating shaft and its two ends and channel-section steel join;
The 6th step: the entablature of aligned position, middle cross beam, sill are carried out to spot welding with channel-section steel respectively, thereby complete the assembling of door frame.
Assembly jig of the present invention makes channel-section steel, entablature, middle cross beam, the sill on forklift door frame all realize mould and position, thereby reaches the advantage of increasing work efficiency with performance accuracy.In addition, because middle cross beam locating piece, upper integrated positioning seat, lower integrated positioning seat are all realized the location of sliding, and due to the positioning supporting rod of upper integrated positioning seat and lower integrated positioning seat to open grade scope adjustable, thereby only need can realize the door frame of different size kind is assembled once secondary mould, reduce the input of mould.In addition, because centering and the clamping uniformity of this assembly jig are better, can finely tune simultaneously, the mould location of each parts, thus ensure the quality of products.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, the present invention is described in further detail:
Fig. 1 is structural representation of the present invention;
Fig. 2 is the structural representation of entablature of the present invention end positioning seat;
Fig. 3 is the structural representation of upper integrated positioning seat of the present invention;
Fig. 4 is the structural representation of lower integrated positioning seat of the present invention;
Fig. 5 is the structural representation of middle cross beam locating piece of the present invention;
In figure: 1-clamping cylinder, 2-base plate, 3-guide rail, 4-guard rail, 5-block part, 6-altitude location seat, 7-channel-section steel end positioning seat, 8-entablature end positioning seat, 8-1 base, 8-2 flipping block, the upper integrated positioning seat of 9-, underframe under 9-, 9-2 slide block baffle plate, 9-3 centering upset locating piece, 9-4 positioning supporting rod, the upper underframe of 9-5, 9-6 slide rail, integrated positioning seat under 10-, 10-1 alignment pin, 10-2 slide block, 10-3 base plate, 10-4 altitude location piece, 10-5 positioning supporting rod, 10-6 centering locating shaft, 10-7 fixed station, 11-middle cross beam locating piece, 11-1 centering locating piece 11-2 spring, 11-3 lead, 11-4 fixed head, 11-5 chute, 11-6 alignment pin.
 
The specific embodiment
As shown in Figure 1, a kind of assembly jig of forklift door frame, comprise base plate 2, one termination of described base plate 2 is installed with entablature end positioning seat 8 and channel-section steel end positioning seat 7 side by side, the dead ahead of described entablature end positioning seat 8 is installed with integrated positioning seat 9, be positioned on the base plate in integrated positioning seat two outsides and be installed with guide rail 3, the two ends of described guide rail 3 are all installed with block part 5, slidably connect successively middle cross beam locating piece 11, lower integrated positioning seat 10 on guide rail 3; The dead ahead that is positioned at channel-section steel end positioning seat 7 is installed with altitude location seat 6; Described upper integrated positioning seat 9 is respectively installed with a pair of clamping cylinder 1 with the both sides of lower integrated positioning seat 10; The outside of described guide rail 3 is installed with guard rail 4.
During use, first adjust relative position on base plate of lower integrated positioning seat, middle cross beam locating piece and upper integrated positioning seat and position; Then the channel-section steel of door frame is placed to the upper integrated positioning seat of mould top and the ,Qi top, positioning supporting rod both sides on lower integrated positioning seat and be close to channel-section steel end positioning seat, then regulate positioning supporting rod and clamp with clamping cylinder; Put into again entablature, make it longitudinally be close to entablature end positioning seat, utilize flipping block to carry out centering location; Again by middle cross beam pendulum on middle cross beam locating piece because gravity declines and the laminating of channel-section steel upper surface, location is aimed at its two ends with channel-section steel; Finally sill is longitudinally placed on lower integrated positioning seat, made its sidepiece be close to centering locating shaft and its two ends and channel-section steel join; The entablature of aligned position, middle cross beam, sill carry out spot welding with channel-section steel respectively the most at last, thereby complete the assembling of door frame.
 
As shown in Figure 2, entablature end positioning seat comprises the base 8-1 being fixedly connected with described base plate, and the upper end of described base 8-1 is connected with flipping block 8-2.
As shown in Figure 3, upper integrated positioning seat comprises the lower underframe 9-1 being fixedly connected with described base plate, and the upper surface of described lower underframe 9-1 is installed with slide rail 9-6, slidably connects underframe 9-5 on slide rail 9-6, and the two ends of slide rail 9-6 are respectively equipped with slide block baffle plate 9-2; The upper surface symmetry of described upper underframe 9-5 is installed with two centering upset locating piece 9-3, and the outside level of described centering upset locating piece 9-3 is installed with positioning supporting rod 9-4.
As shown in Figure 4, lower integrated positioning seat comprises base plate 10-3, and the bottom face of described base plate 10-3 is provided with the slide block 10-2 matching with described guide rail, in the outside of slide block 10-2, is installed with alignment pin 10-1; The upper surface bilateral symmetry of described base plate 10-3 is installed with two for the fixed station 10-7 of fixing described clamping cylinder, is positioned at symmetry inside fixed station 10-7 and is installed with two altitude location piece 10-4; In the middle of the upper surface of described base plate 10-3, be installed with centering locating shaft 10-6, the upper level of described centering locating shaft 10-6 is installed with positioning supporting rod 10-5.
As shown in Figure 5, middle cross beam locating piece comprises the fixed head 11-4 that is provided with alignment pin 11-6, the bottom face of described fixed head 11-4 is installed with the chute 11-5 matching with described guide rail, the upper surface of fixed head 11-4 is installed with positioning component, described positioning component comprises upper backup pad, the lower supporting plate being connected by two lead 11-3, on described lead 11-3, be arranged with spring 11-2, in the middle of described upper backup pad, be provided with centering locating piece 11-1.
Above embodiment is not limited only to protection scope of the present invention, all based on basic thought of the present invention, modify or change all belong to protection scope of the present invention.

Claims (6)

1. the assembly jig of a forklift door frame, it is characterized in that: comprise base plate (2), one termination of described base plate (2) is installed with entablature end positioning seat (8) and channel-section steel end positioning seat (7) side by side, the dead ahead of described entablature end positioning seat (8) is installed with integrated positioning seat (9), be positioned on the base plate in integrated positioning seat two outsides and be installed with guide rail (3), the two ends of described guide rail (3) are all installed with block part (5), slidably connect successively middle cross beam locating piece (11), lower integrated positioning seat (10) on guide rail (3); The dead ahead that is positioned at channel-section steel end positioning seat (7) is installed with altitude location seat (6); Described upper integrated positioning seat (9) is respectively installed with a pair of clamping cylinder (1) with the both sides of lower integrated positioning seat (10).
2. the assembly jig of forklift door frame according to claim 1, is characterized in that: the outside of described guide rail (3) is installed with guard rail (4).
3. the assembly jig of forklift door frame according to claim 1, it is characterized in that: described entablature end positioning seat (8) comprises the base (8-1) being fixedly connected with described base plate (2), and the upper end of described base (8-1) is connected with flipping block (8-2).
4. the assembly jig of forklift door frame according to claim 1, it is characterized in that: described upper integrated positioning seat (9) comprises the lower underframe (9-1) being fixedly connected with described base plate (2), the upper surface of described lower underframe (9-1) is installed with slide rail (9-6), on slide rail (9-6), slidably connect underframe (9-5), the two ends of slide rail (9-6) are respectively equipped with slide block baffle plate (9-2); The upper surface symmetry of described upper underframe (9-5) is installed with two centering upset locating pieces (9-3), and the outside level of described centering upset locating piece (9-3) is installed with positioning supporting rod (9-4).
5. the assembly jig of forklift door frame according to claim 1, it is characterized in that: described lower integrated positioning seat (10) comprises base plate (10-3), the bottom face of described base plate (10-3) is provided with the slide block (10-2) matching with described guide rail (3), in the outside of slide block (10-2), is installed with alignment pin (10-1); The upper surface bilateral symmetry of described base plate (10-3) is installed with two for the fixed station (10-7) of fixing described clamping cylinder (1), is positioned at fixed station (10-7) inner side symmetry and is installed with two altitude location pieces (10-4); In the middle of the upper surface of described base plate (10-3), be installed with centering locating shaft (10-6), the upper level of described centering locating shaft (10-6) is installed with positioning supporting rod (10-5).
6. the assembly jig of forklift door frame according to claim 1, it is characterized in that: described middle cross beam locating piece (11) comprises the fixed head (11-4) that is provided with locating shaft (11-6), the bottom face of described fixed head (11-4) is installed with the chute (11-5) matching with described guide rail (3), the upper surface of fixed head (11-4) is installed with positioning component, described positioning component comprises the upper backup pad being connected by two leads (11-3), lower supporting plate, on described lead (11-3), be arranged with spring (11-2), in the middle of described upper backup pad, be provided with centering locating piece (11-1).
CN201310501506.6A 2013-10-23 2013-10-23 A kind of assembly jig of forklift door frame Active CN103521984B (en)

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Cited By (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104551500A (en) * 2014-12-27 2015-04-29 合力叉车有限公司 Tool for forklift welding
CN104860238A (en) * 2015-05-25 2015-08-26 安徽好运机械有限公司 Flexible positioning device for portal box iron end face positioning
CN104889485A (en) * 2014-03-06 2015-09-09 力山工业股份有限公司 Workpiece baffle plate extension device of working table
CN105345357A (en) * 2015-12-09 2016-02-24 安徽合力股份有限公司 Positioning device for assembling and welding of upper beams of pallet fork frame of forklift
CN106078054A (en) * 2016-08-03 2016-11-09 安徽安凯汽车股份有限公司 Passenger doors sill welding positioning tool before a kind of passenger vehicle
CN107522141A (en) * 2017-09-25 2017-12-29 安徽合力股份有限公司 A kind of positioner for being used to assemble outer mast sill assembly
CN108188643A (en) * 2018-03-21 2018-06-22 安徽合力股份有限公司 A kind of flexible positioning device for being used to assemble outer mast upper beam assembly
CN108326590A (en) * 2018-04-02 2018-07-27 南京合信自动化有限公司 A kind of Quick-positioning clamp and positioning system
CN108480900A (en) * 2018-03-30 2018-09-04 山东临工工程机械有限公司 Front frame for loader separated moveable butt welding method
CN110900072A (en) * 2019-11-26 2020-03-24 广州创研工业技术研究院有限公司 Positioning tool and welding equipment for left and right side plates of inflatable environment-friendly cabinet
CN111299922A (en) * 2020-03-28 2020-06-19 杭州叉车门架有限公司 Welding process of upright column and roller seat of forklift gantry
CN111421286A (en) * 2020-05-18 2020-07-17 中电建武汉铁塔有限公司 Steel pipe pole cross arm welding frock
CN111496422A (en) * 2020-04-22 2020-08-07 杭州叉车门架有限公司 Welding equipment for outer portal frame of forklift
CN111531377A (en) * 2020-04-20 2020-08-14 安徽合力股份有限公司 Positioning and supporting device for machining single-leg channel steel of forklift gantry
CN112008325A (en) * 2020-07-24 2020-12-01 诺力智能装备股份有限公司 Portal welding adjusting device suitable for industrial vehicle
CN112122850A (en) * 2020-09-23 2020-12-25 诺力智能装备股份有限公司 Welding tool and welding method for pallet truck cargo fork leg assembly
CN112276455A (en) * 2020-11-03 2021-01-29 安徽合力股份有限公司 Positioning tool for forklift full-freedom inner gantry oil cylinder base assembly
CN112518192A (en) * 2020-11-13 2021-03-19 诺力智能装备股份有限公司 General automatic welding position device of many specifications of portal
CN112975255A (en) * 2021-04-22 2021-06-18 常州工学院 Traffic guardrail welding clamping device

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CN203509430U (en) * 2013-10-23 2014-04-02 安徽合力股份有限公司 Assembly jig of forklift portal frames

Cited By (27)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104889485A (en) * 2014-03-06 2015-09-09 力山工业股份有限公司 Workpiece baffle plate extension device of working table
CN104551500A (en) * 2014-12-27 2015-04-29 合力叉车有限公司 Tool for forklift welding
CN104860238B (en) * 2015-05-25 2017-04-12 安徽好运机械有限公司 Flexible positioning device for portal box iron end face positioning
CN104860238A (en) * 2015-05-25 2015-08-26 安徽好运机械有限公司 Flexible positioning device for portal box iron end face positioning
CN105345357A (en) * 2015-12-09 2016-02-24 安徽合力股份有限公司 Positioning device for assembling and welding of upper beams of pallet fork frame of forklift
CN106078054B (en) * 2016-08-03 2017-08-25 安徽安凯汽车股份有限公司 Passenger doors sill welds positioning tool before a kind of car
CN106078054A (en) * 2016-08-03 2016-11-09 安徽安凯汽车股份有限公司 Passenger doors sill welding positioning tool before a kind of passenger vehicle
CN107522141B (en) * 2017-09-25 2023-12-22 安徽合力股份有限公司 Positioning device for assembling lower cross beam assembly of outer door frame
CN107522141A (en) * 2017-09-25 2017-12-29 安徽合力股份有限公司 A kind of positioner for being used to assemble outer mast sill assembly
CN108188643A (en) * 2018-03-21 2018-06-22 安徽合力股份有限公司 A kind of flexible positioning device for being used to assemble outer mast upper beam assembly
CN108188643B (en) * 2018-03-21 2024-05-28 安徽合力股份有限公司 Flexible positioning device for assembling upper beam assembly of outer door frame
CN108480900A (en) * 2018-03-30 2018-09-04 山东临工工程机械有限公司 Front frame for loader separated moveable butt welding method
CN108326590A (en) * 2018-04-02 2018-07-27 南京合信自动化有限公司 A kind of Quick-positioning clamp and positioning system
CN110900072A (en) * 2019-11-26 2020-03-24 广州创研工业技术研究院有限公司 Positioning tool and welding equipment for left and right side plates of inflatable environment-friendly cabinet
CN111299922A (en) * 2020-03-28 2020-06-19 杭州叉车门架有限公司 Welding process of upright column and roller seat of forklift gantry
CN111299922B (en) * 2020-03-28 2021-07-30 杭州叉车门架有限公司 Welding process of upright column and roller seat of forklift gantry
CN111531377A (en) * 2020-04-20 2020-08-14 安徽合力股份有限公司 Positioning and supporting device for machining single-leg channel steel of forklift gantry
CN111496422B (en) * 2020-04-22 2021-10-08 杭州叉车门架有限公司 Welding equipment for outer portal frame of forklift
CN111496422A (en) * 2020-04-22 2020-08-07 杭州叉车门架有限公司 Welding equipment for outer portal frame of forklift
CN111421286A (en) * 2020-05-18 2020-07-17 中电建武汉铁塔有限公司 Steel pipe pole cross arm welding frock
CN112008325A (en) * 2020-07-24 2020-12-01 诺力智能装备股份有限公司 Portal welding adjusting device suitable for industrial vehicle
CN112008325B (en) * 2020-07-24 2022-07-26 诺力智能装备股份有限公司 Portal welding adjusting device suitable for industrial vehicle
CN112122850A (en) * 2020-09-23 2020-12-25 诺力智能装备股份有限公司 Welding tool and welding method for pallet truck cargo fork leg assembly
CN112276455A (en) * 2020-11-03 2021-01-29 安徽合力股份有限公司 Positioning tool for forklift full-freedom inner gantry oil cylinder base assembly
CN112276455B (en) * 2020-11-03 2024-05-28 安徽合力股份有限公司 Positioning tool for fork truck full-freedom inner portal frame oil cylinder base assembly
CN112518192A (en) * 2020-11-13 2021-03-19 诺力智能装备股份有限公司 General automatic welding position device of many specifications of portal
CN112975255A (en) * 2021-04-22 2021-06-18 常州工学院 Traffic guardrail welding clamping device

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