CN103464985A - Production process of movable arm of forklift loader/loading machine and fine processing fixing tooling of movable arm - Google Patents
Production process of movable arm of forklift loader/loading machine and fine processing fixing tooling of movable arm Download PDFInfo
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- CN103464985A CN103464985A CN2013104294705A CN201310429470A CN103464985A CN 103464985 A CN103464985 A CN 103464985A CN 2013104294705 A CN2013104294705 A CN 2013104294705A CN 201310429470 A CN201310429470 A CN 201310429470A CN 103464985 A CN103464985 A CN 103464985A
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Abstract
The invention relates to a production process of a movable arm of a forklift loader/loading machine and a fine processing fixing tooling of the movable arm. The fixing tooling comprises a base, a main support frame and four fixing mechanisms, wherein the main support frame and the four fixing mechanisms are assembled on the base, a rocker arm connecting hole of the movable arm is assembled in the top of the main support frame through a pin haft, and the four fixing mechanisms are respectively used for fixing the four arm ends of the movable arm. According to the production process, the formed movable arm is obtained after the materials are manufactured through the work procedures of numerical control cutting, point welding, full welding, correction, coarse and fine processing and the like. The technical scheme provided by the invention is adopted for preparing the movable arm, the coaxiality of corresponding holes in the movable arm is effectively improved, the form and location tolerance of the movable arm is small, the rejection rate is effectively reduced, the product quality is also perfectly ensured, the problem that the form and location tolerance correction dimension precision cannot be ensured due to the welding deformation quantity of the original process is avoided, the dependence on experienced workers with special skills in the production and service processes is also reduced, the production efficiency is effectively improved, and the production cost is reduced.
Description
Technical field
The present invention relates to a kind of production technology and fixing tool thereof of swing arm, refer to especially a kind of production technology and fine finishining fixing tool thereof of swing arm of forklift truck/loading machine.
Background technology
With reference to Fig. 2, Fig. 3, the swing arm 4 of forklift truck/loading machine is by the another part drawing of product dimensional requirement, cuts into the parts that several shapes are not identical, then by assembling drawing requirement point, is welded into the semi-finished product swing arm.Swing arm 4 comprises left mainboard 41, right mainboard 42, left and right mainboard is connected to one by girder 43 and connecting plate 44, left and right mainboard is symmetrical structure, the front end of mainboard is drilled with front connecting hole 4a, rear end is provided with rear connecting hole 4d, the middle part of left and right mainboard is located partially afterwards also to weld respectively and is provided with assembly parts 45, and these assembly parts 45 are provided with oil cylinder connecting hole 4c, and this girder 43 is provided with rocking arm connecting hole 4b.Existing swing arm production method is: first on variform parts, correspondence gets out different hole (roughing), i.e. front connecting hole 4a, rocking arm connecting hole 4b, oil cylinder connecting hole 4c, rear connecting hole 4d; Then fine finishining is carried out in the hole on each parts; Again difform parts are put and are welded into the semi-finished product swing arm on simple frock by the requirement of assembling drawing, weld fully again and obtain the moulding swing arm, by Local heating method, four arm ends of swing arm are proofreaied and correct, finally to swing arm, the processing such as spray paint of polishing obtains the swing arm of complete finished product again.There is following problems in existing this swing arm production method: the symmetry of left and right mainboard is poor, especially on left and right mainboard, the axiality in corresponding hole is very undesirable, form and position tolerance is very large, the swing arm of producing much can not reach requirement, need sophisticated technical staff to carry out a large amount of correction work, the production efficiency of swing arm is low, and very big to veteran calibration technology personnel's dependence, production cost is high.
Summary of the invention
The invention provides a kind of production technology and fine finishining fixing tool thereof of swing arm of forklift truck/loading machine, very undesirable with the axiality that overcomes hole corresponding on the left and right mainboard that existing swing arm production technology exists, form and position tolerance is very large, the product swing arm is many can not reach requirement, need sophisticated technical staff to carry out a large amount of correction work, the problems such as the production efficiency of swing arm is low, very big to veteran calibration technology personnel's dependence, and production cost is high.
The present invention adopts following technical scheme:
The fine finishining fixing tool of the swing arm of forklift truck/loading machine, this fixing tool comprises base and is assemblied in a main backstop and four fixed mechanisms on this base; The rocking arm connecting hole of this swing arm is assemblied in the top of this main backstop by bearing pin; Four these fixed mechanisms are respectively used to fixedly four arm ends of swing arm.
More specifically, above-mentioned base top surface is provided with the chute of at least two parallel arrangements, and this base is equipped with slide block, and this slide block can laterally fit slidably in this chute; This slider top is provided with screw rod, and this screw rod is equipped with nut, above-mentioned main backstop and above-mentioned fixed mechanism bottom all by this nut lock should screw rod fixedly be assemblied on this base.
Each above-mentioned fixed mechanism includes main frame body and is assemblied in the first fixed bar, the second fixed bar, the 3rd fixed bar and the 4th fixed bar on main frame body, one end end face of this first fixed bar connects the end face of the above-mentioned arm end of above-mentioned swing arm, the end face of this second fixed bar connects the bottom surface of this arm end, the 3rd fixed bar one end end face connects the front side wall of this arm end, and the 4th fixed bar one end end face connects the rear wall of this arm end.More specifically, above-mentioned the first fixed bar, the second fixed bar, the 3rd fixed bar and the 4th fixed bar respectively Screw assembly on above-mentioned main frame body.Further, above-mentioned main frame body be provided with a plurality of evenly arrange regulate through hole for assembling first of above-mentioned the first fixed bar, this main frame body be provided with a plurality of evenly arrange regulate blind hole for assembling second of above-mentioned the second fixed bar, this main frame body be provided with a plurality of evenly arrange regulate through hole for assembling the 3rd of above-mentioned the 3rd fixed bar, this main frame body be provided with a plurality of evenly arrange regulate through hole for assembling the 4th of above-mentioned the 4th fixed bar.
A kind of production technology of swing arm of forklift truck/loading machine of above-mentioned fine finishining fixing tool, this production technology comprises the following step of carrying out successively:
A. Numerical control cutting: Numerical control cutting obtains forming the parts of swing arm, front connecting hole, rocking arm connecting hole, oil cylinder connecting hole, rear connecting hole that correspondence position cutting on the parts of through hole obtains leaving allowance are set at needs, and after this, connecting hole is for connecting vehicle frame;
B. spot welding: spot welding is connected to form the semi-finished product swing arm;
C. weldering entirely: the semi-finished product swing arm is welded as to the moulding swing arm fully;
D. proofread and correct: adopt Local heating method to be proofreaied and correct four above-mentioned arm ends of moulding swing arm;
E. roughing, fine finishining: the rocking arm connecting hole of calibrated moulding swing arm is assemblied in the top of this main backstop by bearing pin, four arm end correspondences of moulding swing arm are assemblied on four described fixed mechanisms, regulate four these fixed mechanisms, make center line and the dead in line of bidirectional boring machine boring cutter of the front connecting hole that adds moulding in man-hour swing arm, rocking arm connecting hole, oil cylinder connecting hole, rear connecting hole, roughing reduces allowance; After changing cutter head, the moulding swing arm is carried out to fine finishining;
F. polish, spray paint: the swing arm that fine finishining completes obtains the finished product swing arm through polishing, painting process.
From the above-mentioned description to structure of the present invention, compared to the prior art, the present invention has following advantage: by the use of fine finishining fixing tool of the present invention, changed the production technology of original swing arm, the swing arm processing that makes production obtain precisely, swing arm is upper left, the front connecting hole on right side, the rocking arm connecting hole, the oil cylinder connecting hole, rear connecting hole symmetry is good, and alignment is ideal, and the form and position tolerance of swing arm integral body is also very little, the quality of the swing arm prepared by fine finishining fixing tool of the present invention and production technology has obtained effective assurance, stop former technique and can't guarantee form and position tolerance school dimensional accuracy because of welding deformation amount, after causing product final assemble or dispatching from the factory, because the swing arm deflection affects general assembly and serviceability, the master craftsman who needs to be grasped special skill removes to add thermal recalibration at the scene, increase assembling and the workload of after-sale service, the enforcement of technical scheme of the present invention has reduced in production and service process the dependence of the master craftsman to special skill is arranged, correction work amount in the production process and the workload of after-sale service have effectively been reduced, also reduced the dependence of production process to the experience personnel, effectively improved production efficiency, reduced production cost, in addition, fine finishining fixing tool of the present invention is simple in structure, easily produce and obtain, and this fixing tool does not does not wear and tear basically in the production process of swing arm, long service life, finally, the frame mode of fine finishining fixing tool of the present invention makes it to do adaptive adjustment according to the specification of different swing arms, this steady job very superior with suitability swing arm, use the frock cost of swing arm production method of the present invention comparatively cheap.
The accompanying drawing explanation
Fig. 1 is the right TV structure schematic diagram that is equipped with the fixing tool of the present invention of swing arm.
Fig. 2 is the plan structure schematic diagram that is equipped with the fixing tool of the present invention of swing arm.
The right TV structure schematic diagram that Fig. 3 is swing arm.
The sectional structure chart that Fig. 4 is A-A direction in Fig. 2.
The enlarged drawing that Fig. 5 is the local X in Fig. 1.
The specific embodiment
The specific embodiment of the present invention is described with reference to the accompanying drawings.
With reference to Fig. 1, Fig. 2, Fig. 5, the fine finishining fixing tool of the swing arm of forklift truck/loading machine, this fixing tool comprises base 1 and is assemblied in a main backstop 2 and four fixed mechanisms 3 on this base 1; The rocking arm connecting hole 4b of this swing arm 4 is assemblied in the top of this main backstop 2 by bearing pin 21, the diameter of the diameter of bearing pin 21 and this rocking arm connecting hole 4b matches; Four these fixed mechanisms 3 are respectively used to fixedly four arm ends 46 of swing arm 4.
Continuation is with reference to Fig. 2, Fig. 4, more specifically, the number that above-mentioned base 1 end face is provided with the chute 10(chute 10 of 11 equidistant parallel arrangements also can make an amendment according to the need of production of engineering, as two, five, eight etc.), this base 1 is equipped with slide block 11, and this slide block 11 can laterally fit slidably in this chute 10; These slide block 11 tops are provided with screw rod 12, and this screw rod 12 is equipped with nut 13, and above-mentioned main backstop 2 and above-mentioned fixed mechanism 3 bottoms all fixedly are assemblied on this base 1 by sealed these screw rod 12 ground of this nut 13.
Continuation is with reference to Fig. 1, Fig. 2, Fig. 5, each above-mentioned fixed mechanism 3 includes main frame body 31 and is assemblied in the first fixed bar 32, the second fixed bar 33, the 3rd fixed bar 34 and the 4th fixed bar 35 on main frame body 31, one end end face of this first fixed bar 32 connects the end face of the above-mentioned arm end 46 of above-mentioned swing arm 4, the end face of this second fixed bar 33 connects the bottom surface of this arm end 46, the 3rd fixed bar 34 1 end end faces connect the front side wall of this arm end 46, and the 4th fixed bar 35 1 end end faces connect the rear wall of this arm end 46.More specifically, above-mentioned the first fixed bar 32, the second fixed bar 33, the 3rd fixed bar 34 and the 4th fixed bar 35 respectively Screw assemblies on above-mentioned main frame body 31.Further, above-mentioned main frame body 31 be provided with a plurality of evenly arrange regulate through hole 36 for assembling first of above-mentioned the first fixed bar 32, this main frame body 31 be provided with a plurality of evenly arrange regulate blind hole 37 for assembling second of above-mentioned the second fixed bar 33, this main frame body 31 be provided with a plurality of evenly arrange regulate through hole 38 for assembling the 3rd of above-mentioned the 3rd fixed bar 34, this main frame body 31 be provided with a plurality of evenly arrange regulate through hole for assembling the 4th of above-mentioned the 4th fixed bar 35.
Continuation is with reference to Fig. 1, Fig. 2, a kind of production technology of swing arm of forklift truck/loading machine of above-mentioned fine finishining fixing tool, and this production technology comprises the following step of carrying out successively:
A. Numerical control cutting: Numerical control cutting obtains forming the parts of swing arm 4, connecting hole 4a, rocking arm connecting hole 4b, oil cylinder connecting hole 4c, rear connecting hole 4d before needs arrange correspondence position cutting on the parts of through hole and obtain, after this, connecting hole 4d is for connecting vehicle frame; The diameter in each hole that this operation is bored is all little than the diameter in hole corresponding on finished product swing arm 4, and certain allowance is left in each hole;
B. spot welding: spot welding is connected to form the semi-finished product swing arm;
C. weldering entirely: the semi-finished product swing arm is welded as to the moulding swing arm fully;
D. proofread and correct: adopt Local heating method to be proofreaied and correct four above-mentioned arm ends 46 of moulding swing arm;
E. roughing, fine finishining: the rocking arm connecting hole 4b of calibrated moulding swing arm is assemblied in the top of this main backstop 2 by bearing pin 21, four arm end 46 correspondences of moulding swing arm are assemblied on four above-mentioned fixed mechanisms 3, regulate four these fixed mechanisms 3, make front connecting hole 4a, the rocking arm connecting hole 4b that adds moulding in man-hour swing arm, center line and the dead in line of bidirectional boring machine boring cutter of oil cylinder connecting hole 4c, rear connecting hole 4d, roughing reduces allowance, and (roughing is exactly that blank is removed to a part, for benchmark is determined in next fine finishining.Because accurately machined tool precision is high, the surplus of removal is as far as possible little, if the removal surplus is crossed conference, causes finishing tool to damage or the precision reduction.); After changing cutter head, the moulding swing arm is carried out to fine finishining; On moulding swing arm before finishing step, even the axiality in the hole that left and right side is corresponding is poor, after but the left and right boring cutter through axis on the same straight line is cut the allowance in hole, the axiality in the hole that left and right side the is corresponding ideal very that becomes;
F. polish, spray paint: the swing arm that fine finishining completes obtains finished product swing arm 4 through polishing, painting process.
Use by fine finishining fixing tool of the present invention, changed the production technology of original swing arm, the swing arm processing that makes production obtain precisely, swing arm is upper left, the front connecting hole 4a on right side, rocking arm connecting hole 4b, oil cylinder connecting hole 4c, rear connecting hole 4d symmetry is good, and axiality (axiality is for tested axis that should be coaxial on control theory and the disalignment degree of datum axis) is ideal, and the form and position tolerance of swing arm integral body (part after processing not only has scale error, the point of constituent part geometric properties, line, shape and the mutual alignment of the true form of face or mutual alignment and desirable solid regulation also inevitably there are differences, this difference in shape is exactly form error, and the difference of mutual alignment is exactly site error, be referred to as the morpheme error) also very little, the quality of the swing arm prepared by fine finishining fixing tool of the present invention and production technology has obtained effective assurance, effectively reduced the workload of correction work amount and after-sale service, also reduced the dependence of production process to the experience personnel, effectively improved production efficiency, reduced production cost, in addition, fine finishining fixing tool of the present invention is simple in structure, easily produce and obtain, and this fixing tool does not does not wear and tear basically in the production process of swing arm, long service life, finally, the frame mode of fine finishining fixing tool of the present invention makes it to do adaptive adjustment according to the specification of different swing arms, this steady job very superior with suitability swing arm, use the frock cost of swing arm production method of the present invention comparatively cheap.
Above are only the specific embodiment of the present invention, but design concept of the present invention is not limited to this, allly utilizes this design to carry out the change of unsubstantiality to the present invention, all should belong to the behavior of invading protection domain of the present invention.
Claims (7)
1. the fine finishining fixing tool of the swing arm of forklift truck/loading machine, it is characterized in that: described fixing tool comprises base and is assemblied in a main backstop and four fixed mechanisms on this base; The rocking arm connecting hole of this swing arm is assemblied in the top of this main backstop by bearing pin; Four these fixed mechanisms are respectively used to fixedly four arm ends of swing arm.
2. the fine finishining fixing tool of the swing arm of forklift truck/loading machine as claimed in claim 1, it is characterized in that: described base top surface is provided with the chute of at least two parallel arrangements, and this base is equipped with slide block, and this slide block can laterally fit slidably in this chute; This slider top is provided with screw rod, and this screw rod is equipped with nut, described main backstop and described fixed mechanism bottom all by this nut lock should screw rod fixedly be assemblied on this base.
3. the fine finishining fixing tool of the swing arm of forklift truck/loading machine as claimed in claim 1, it is characterized in that: each described fixed mechanism includes main frame body and is assemblied in the first fixed bar, the second fixed bar, the 3rd fixed bar and the 4th fixed bar on main frame body, one end end face of this first fixed bar connects the end face of the described arm end of described swing arm, the end face of this second fixed bar connects the bottom surface of this arm end, the 3rd fixed bar one end end face connects the front side wall of this arm end, and the 4th fixed bar one end end face connects the rear wall of this arm end.
4. the fine finishining fixing tool of the swing arm of forklift truck/loading machine as claimed in claim 3 is characterized in that: described the first fixed bar, the second fixed bar, the 3rd fixed bar and the 4th fixed bar respectively Screw assembly on described main frame body.
5. the fine finishining fixing tool of the swing arm of forklift truck/loading machine as claimed in claim 4, it is characterized in that: described main frame body be provided with a plurality of evenly arrange regulate through hole for assembling first of described the first fixed bar, this main frame body be provided with a plurality of evenly arrange regulate blind hole for assembling second of described the second fixed bar, this main frame body be provided with a plurality of evenly arrange regulate through hole for assembling the 3rd of described the 3rd fixed bar, this main frame body be provided with a plurality of evenly arrange regulate through hole for assembling the 4th of described the 4th fixed bar.
6. the production technology of the swing arm of the forklift truck/loading machine of right to use requirement 1 to 5 an arbitrary described fine finishining fixing tool, is characterized in that, this production technology comprises the following step of carrying out successively:
A. Numerical control cutting: Numerical control cutting obtains forming the parts of swing arm, front connecting hole, rocking arm connecting hole, oil cylinder connecting hole, rear connecting hole that correspondence position cutting on the parts of through hole obtains leaving allowance are set at needs, and after this, connecting hole is for connecting vehicle frame;
B. spot welding: spot welding is connected to form the semi-finished product swing arm;
C. weldering entirely: the semi-finished product swing arm is welded as to the moulding swing arm fully;
D. proofread and correct: adopt Local heating method to be proofreaied and correct four described arm ends of moulding swing arm;
E. roughing, fine finishining: the rocking arm connecting hole of calibrated moulding swing arm is assemblied in the top of this main backstop by bearing pin, four arm end correspondences of moulding swing arm are assemblied on four described fixed mechanisms, regulate four these fixed mechanisms, make center line and the dead in line of bidirectional boring machine boring cutter of the front connecting hole that adds moulding in man-hour swing arm, rocking arm connecting hole, oil cylinder connecting hole, rear connecting hole, roughing reduces allowance; After changing cutter head, the moulding swing arm is carried out to fine finishining.
7. as the production technology of the swing arm of right 6 described forklift truck/loading machines, it is characterized in that: the swing arm that step e fine finishining completes obtains the finished product swing arm through polishing, painting process.
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| CN201310429470.5A CN103464985B (en) | 2013-09-22 | 2013-09-22 | The production technology of the swing arm of forklift truck/loading machine and fine finishining fixing tool thereof |
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| CN104384784A (en) * | 2014-09-29 | 2015-03-04 | 无锡明珠钢球有限公司 | Auxiliary frame tool |
| CN104439974A (en) * | 2014-11-28 | 2015-03-25 | 南通明德重工有限公司 | Machining process of self-disassembling suspension arm base driven by nine hydraulic motors |
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| CN110253295A (en) * | 2019-07-03 | 2019-09-20 | 焦佳敏 | Processing tool device for automobile rocker |
| CN110394602A (en) * | 2019-07-29 | 2019-11-01 | 新昌县凯杰机械有限公司 | A kind of manufacturing process of the reinforcing plate structure of hydraulic car |
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| CN110394602A (en) * | 2019-07-29 | 2019-11-01 | 新昌县凯杰机械有限公司 | A kind of manufacturing process of the reinforcing plate structure of hydraulic car |
| CN110394602B (en) * | 2019-07-29 | 2020-08-28 | 新昌县凯杰机械有限公司 | Manufacturing process of rib plate structure of hydraulic vehicle |
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