CN102873123A - Axle shaft precision necking and spline cold extrusion die device - Google Patents
Axle shaft precision necking and spline cold extrusion die device Download PDFInfo
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- CN102873123A CN102873123A CN 201110196095 CN201110196095A CN102873123A CN 102873123 A CN102873123 A CN 102873123A CN 201110196095 CN201110196095 CN 201110196095 CN 201110196095 A CN201110196095 A CN 201110196095A CN 102873123 A CN102873123 A CN 102873123A
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Abstract
An axle shaft precision necking and spline cold extrusion die device comprises an upper die portion, a lower die portion and two workpieces, wherein the upper die portion and the lower die portion fix two ends of the two workpieces respectively; the upper die portion comprises an upper die base, one side of the upper die base is fixed with a valve plate, the center of the valve plate is provided with a hydraulic cylinder, the hydraulic cylinder is connected with an inclined wedge at the other side of the upper die base, four pistons are distributed in the valve plate and are sealed by four hydraulic cylinder covers and the other side of the upper die base is fixed with four male die base plates and four male die movable fixing plates; and the lower die portion comprises a lower die base, four sleeve barrels are embedded into one side of the lower die base, the upper two sleeve barrels are sleeved with two spline extrusion female dies, the lower two sleeve barrels are sleeved with two necking female dies, the above two groups of the female dies are fixed by four female die retainer plates and the lower die base, the other side of the lower die base has four guiding sleeves, four finials penetrate through the two groups of the female dies, and the four finials penetrate out from the opposite guiding sleeves and are connected with four second valve plates. Products produced in the invention have high precisions, so the device disclosed in the invention has high economic benefits and wide market prospects.
Description
Technical field
The present invention relates to a kind of mould and grip device, be specifically related to a kind of mould to automobile axle shaft precision diameter shrinkage and spline cold-extruded and anchor clamps new equipment.
Background technology
Semiaxis is an important component part of car transmissions, the solid shafting of transmitting torque between differential mechanism and the driving wheel, its the inner generally is connected with axle shaft gear by spline, and the outer end is connected with wheel hub, is the part that bears the moment of torsion maximum in the axial workpiece of automobile.At present, along with the development of automobile industry, the mechanical performance of automobile axle shaft is required more and more higher, requirement of strength especially, the various countries scholar is carrying out unremitting effort at aspects such as material selection, blank moulding, machining and heat treatments.At present, semiaxis generally adopts precision die forging process production, and Formation of Axle Shaft Spline adopts the processing methods such as gear hobbing, garland key, cold rolling more.For the spline of machining, its comprehensive mechanical performance is poor; The roll forging moulding can obtain good mechanical performance, but production efficiency is low, and geometric accuracy and dimensional accuracy are difficult to control.The product quality of semiaxis cold extrusion forming is controlled easily, and has preferably comprehensive mechanical performance, but the semiaxis undergauge that a kind of production efficiency of need design is high, precision is high and mould and the anchor clamps new equipment of spline cold-extruded.
Summary of the invention
Purpose of the present invention provides a kind of semiaxis precision diameter shrinkage and spline cold extrusion mould device with regard to being to avoid above-mentioned the deficiencies in the prior art part, and this device has production efficiency height, advantage that precision is high.
For solving the problems of the technologies described above, realize above-mentioned technique effect, the present invention is achieved through the following technical solutions:
A kind of semiaxis precision diameter shrinkage and spline cold extrusion mould device, comprise the part of the upper die, the part of the lower die, the first second workpiece, the three or four workpiece, the two ends of described two groups of workpiece are fixed respectively in described part of the upper die and described part of the lower die, described part of the upper die comprises upper bolster, described upper bolster one side is fixed with first valve plate, there is first hydraulic cylinder at described the first valve plate center, described the first hydraulic cylinder is connected with the wedge of described upper bolster opposite side, be distributed with four pistons in described the first valve plate and four hydraulic cylinder bottom sealings are arranged, described upper bolster opposite side is fixed with four convex mould pads, described four convex mould pads are outer is fixed the movable fixed head of described punch by four movable fixed heads of punch and described upper bolster, described convex mould pad, described wedge clamps an end of described two groups of workpiece; Described part of the lower die comprises die shoe, described die shoe one side is embedded with up and down two groups of totally four sleeves, overlap respectively in two sleeves in described top a spline Extruding die is arranged, overlap respectively in two sleeves in described bottom a undergauge die is arranged, described two groups of dies are fixed by four die blocks and die shoe, described die shoe opposite side is embedded with four fairleads, be installed with in two groups of dies of described die shoe four top, described four toply pass from the fairlead of offside and are connected with four the second valve plates, and described four top opposite sides with described two groups of workpiece withstand.
Further, two groups of dies adopt the two-stage set of molds to carry out step by step semiaxis precision diameter shrinkage and spline cold extrusion forming described in the described part of the lower die, described two groups of Die Designs become two shaping stages, the leading portion of described recessed two groups of moulds carries out undergauge and spline cold extrusion forming to described semiaxis respectively, and the back segment of described two groups of dies part is mainly carried out precision truing.
Preferably, also comprise a slave part, described slave part comprises guide rail bracket, described guide rail bracket is fixed on the described upper bolster, be connected with one first T-shaped guide rail on the described guide rail bracket, be connected with the mould pin on the described first T-shaped guide rail, be connected with a ring flange on the described mould pin, be connected with two manipulators on the described ring flange, described manipulator is positioned at described two groups of workpiece top, described two groups of workpiece below has one second T-shaped guide rail to be connected with two the second hydraulic cylinders, and described two the second hydraulic cylinders are connected with two supporting plates, and described two supporting plates are held two workpiece in bottom.
The present invention has following beneficial effect:
Mould and the anchor clamps new equipment of a kind of semiaxis precision diameter shrinkage and spline cold-extruded are provided, adopt the two-stage set of molds to carry out step by step semiaxis precision diameter shrinkage and spline cold extrusion forming, two groups of Die Designs become two shaping stages, the leading portion of die carries out undergauge and spline cold extrusion forming to semiaxis respectively, and its back segment part is mainly carried out precision truing, so can make the spline that the higher product of diameter shrinkage part circularity precision and dimensional accuracy and geometric accuracy are had relatively high expectations.The present invention is reasonable in design, simple in structure, easy to operate, and accurate work piece positioning, Product Precision are high, performance is good, and production efficiency is high, cost is low.
Description of drawings
Fig. 1 is overall structure schematic diagram of the present invention.
Fig. 2 is overall structure side view of the present invention.
The number in the figure explanation:
1, the second T-shaped guide rail, the 2, second hydraulic cylinder, 3, upper bolster, 4, the first valve plate, 5, convex mould pad, 6, the three or four workpiece, 7, the first hydraulic cylinder, 8, wedge, 9, the movable fixed head of punch, 10, hydraulic cylinder bottom, 11, piston, 12, the mould pin, 13, the first T-shaped guide rail, the 14, first second workpiece, 15, die block, 16, spline Extruding die, 17, sleeve, 18, die shoe, 19, undergauge die, 20, top, 21, fairlead, the 22, second valve plate, 23, ring flange, 24, manipulator, 25, supporting plate, 26, guide rail bracket.
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The specific embodiment
Below in conjunction with accompanying drawing in detail design feature of the present invention and technology implementation process are described in detail:
Referring to shown in Figure 1, present embodiment is about a kind of mould and grip device to automobile axle shaft precision diameter shrinkage and spline cold-extruded, comprise the part of the upper die, the part of the lower die, the first second workpiece 14, the three or four workpiece 6, described two groups of workpiece 6 are fixed respectively in described part of the upper die and described part of the lower die, 14 two ends, described part of the upper die comprises upper bolster 3, described upper bolster 3 one sides are fixed with first valve plate 4, there is first hydraulic cylinder 7 at described the first valve plate 4 centers, described the first hydraulic cylinder 7 is connected with the wedge 8 of described upper bolster 3 opposite sides, be distributed with four pistons 11 in described the first valve plate 4 and 10 sealings of four hydraulic cylinder bottoms are arranged, described upper bolster 3 opposite sides are fixed with four convex mould pads 5, fix the movable fixed head 9 of described punch by four movable fixed heads 9 of punch and described upper bolster 3 outside described four convex mould pads 5, described convex mould pad 5, described wedge 8 clamps described two groups of workpiece 6, an end of 14; Described part of the lower die comprises die shoe 18, described die shoe 18 1 sides are embedded with up and down two groups of totally four sleeves 17, two sleeves in described top, 17 interior respectively covers have a spline Extruding die 16, two sleeves in described bottom, 17 interior respectively covers have a undergauge die 19, described two groups of dies 16,19 is fixing with die shoe 18 by four die blocks 15, described die shoe 18 opposite sides are embedded with four fairleads 21, two groups of dies 16 of described die shoe 18, be installed with four top 20 in 19, described four top 20 pass from the fairlead 21 of offside and are connected with four the second valve plates 22, described four top 20 with described two groups of workpiece 6,14 opposite side withstands.
Further, two groups of dies 16,19 employing two-stage set of molds are carried out semiaxis precision diameter shrinkage and spline cold extrusion forming step by step described in the described part of the lower die, described two groups of dies 16,19 are designed to two shaping stages, described recessed two groups of moulds 16,19 leading portion carry out undergauge and spline cold extrusion forming to described semiaxis respectively, and described two groups of dies 16,19 back segment part mainly carry out precision truing.
Preferably, also comprise a slave part, described slave part comprises guide rail bracket 26, described guide rail bracket 26 is fixed on the described upper bolster 3, be connected with one first T-shaped guide rail 13 on the described guide rail bracket 26, be connected with mould pin 12 on the described first T-shaped guide rail 13, be connected with a ring flange 23 on the described mould pin 12, be connected with two manipulators 24 on the described ring flange 23, described manipulator 24 is positioned at described two groups of workpiece 6,14 tops, described two groups of workpiece 6,14 belows have one second T-shaped guide rail 1 to be connected with two the second hydraulic cylinders 2, and described two the second hydraulic cylinders 2 are connected with two supporting plates 25, and described two supporting plates 25 are held two workpiece 6 in bottom.
This device is during work, at first, workpiece 6,14 is withstood and steps up by anchor clamps 5,8,9 by top 20; Then, master cylinder work squeezes into die 16,19 with workpiece 6,14, finishes respectively precision diameter shrinkage and the workpiece 14 spline cold extrusion formings of workpiece 6; At last, full cylinder backhaul, top 20 recall, workpiece 6 is held in supporting plate 25 feedings, and manipulator 24 is clamped workpiece 14, and anchor clamps 5,8,9 open, manipulator 24 feedings, supporting plate 25 again feeding enter spline cold-extruded station, and manipulator 24 and supporting plate 25 are finished backhaul after the translation feeding.
The present invention is reasonable in design, simple in structure, easy to operate, and accurate work piece positioning, Product Precision are high, performance is good, and production efficiency is high, cost is low.
Claims (3)
1. a semiaxis precision diameter shrinkage and spline cold extrusion mould device, comprise the part of the upper die, the part of the lower die, the first second workpiece (14), the three or four workpiece (6), described two groups of workpiece (6 are fixed respectively in described part of the upper die and described part of the lower die, 14) two ends, it is characterized in that: described part of the upper die comprises upper bolster (3), described upper bolster (3) one sides are fixed with first valve plate (4), there is first hydraulic cylinder (7) at described the first valve plate (4) center, described the first hydraulic cylinder (7) is connected with the wedge (8) of described upper bolster (3) opposite side, be distributed with four pistons (11) in described the first valve plate (4) and four hydraulic cylinder bottoms (10) sealing is arranged, described upper bolster (3) opposite side is fixed with four convex mould pads (5), described four convex mould pads (5) are outer fixing by four movable fixed heads of punch (9) and described upper bolster (3), the movable fixed head of described punch (9), described convex mould pad (5), described wedge (8) clamps described two groups of workpiece (6,14) a end; Described part of the lower die comprises die shoe (18), described die shoe (18) one sides are embedded with up and down two groups of totally four sleeves (17), overlap respectively in two sleeves in described top (17) a spline Extruding die (16) is arranged, overlap respectively in two sleeves in described bottom (17) a undergauge die (19) is arranged, described two groups of dies (16,19) fixing by four die blocks (15) and die shoe (18), described die shoe (18) opposite side is embedded with four fairleads (21), two groups of dies (16 of described die shoe (18), 19) be installed with four top (20) in, described four top (20) pass from the fairlead (21) of offside and are connected with four the second valve plates (22), and described four top (20) are with described two groups of workpiece (6,14) opposite side withstands.
2. a kind of semiaxis precision diameter shrinkage according to claim 1 and spline cold extrusion mould device, it is characterized in that: two groups of dies (16,19) described in the described part of the lower die adopt the two-stage set of molds to carry out step by step semiaxis precision diameter shrinkage and spline cold extrusion forming, described two groups of dies (16,19) are designed to two shaping stages, the leading portion of described recessed two groups of moulds (16,19) carries out undergauge and spline cold extrusion forming to described semiaxis respectively, and the back segment of described two groups of dies (16,19) part is mainly carried out precision truing.
3. a kind of semiaxis precision diameter shrinkage according to claim 1 and spline cold extrusion mould device, it is characterized in that: also comprise a slave part, described slave part comprises guide rail bracket (26), described guide rail bracket (26) is fixed on the described upper bolster (3), be connected with one first T-shaped guide rail (13) on the described guide rail bracket (26), be connected with mould pin (12) on the described first T-shaped guide rail (13), be connected with a ring flange (23) on the described mould pin (12), be connected with two manipulators (24) on the described ring flange (23), described manipulator (24) is positioned at described two groups of workpiece (6,14) top, described two groups of workpiece (6,14) below has one second T-shaped guide rail (1) to be connected with two the second hydraulic cylinders (2), described two the second hydraulic cylinders (2) are connected with two supporting plates (25), and described two supporting plates (25) are held two workpiece in bottom (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110196095 CN102873123A (en) | 2011-07-14 | 2011-07-14 | Axle shaft precision necking and spline cold extrusion die device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110196095 CN102873123A (en) | 2011-07-14 | 2011-07-14 | Axle shaft precision necking and spline cold extrusion die device |
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| CN102873123A true CN102873123A (en) | 2013-01-16 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 201110196095 Pending CN102873123A (en) | 2011-07-14 | 2011-07-14 | Axle shaft precision necking and spline cold extrusion die device |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105773078A (en) * | 2016-03-31 | 2016-07-20 | 十堰园钧工贸有限公司 | Machining and molding technology for automobile semi-axle |
| CN109531152A (en) * | 2019-01-07 | 2019-03-29 | 滦南县鑫发农具有限责任公司 | A kind of device and method of full-automatic production steel shovel handle hand closing in and anti-slide mark |
| CN113579138A (en) * | 2021-06-11 | 2021-11-02 | 福建恒劲科技有限公司 | Insulated Gate Bipolar Transistor (IGBT) electric heating spline warm extrusion forming complete equipment and forming process |
-
2011
- 2011-07-14 CN CN 201110196095 patent/CN102873123A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105773078A (en) * | 2016-03-31 | 2016-07-20 | 十堰园钧工贸有限公司 | Machining and molding technology for automobile semi-axle |
| CN109531152A (en) * | 2019-01-07 | 2019-03-29 | 滦南县鑫发农具有限责任公司 | A kind of device and method of full-automatic production steel shovel handle hand closing in and anti-slide mark |
| CN113579138A (en) * | 2021-06-11 | 2021-11-02 | 福建恒劲科技有限公司 | Insulated Gate Bipolar Transistor (IGBT) electric heating spline warm extrusion forming complete equipment and forming process |
| CN113579138B (en) * | 2021-06-11 | 2023-02-28 | 福建恒劲科技有限公司 | Insulated Gate Bipolar Transistor (IGBT) electric heating spline warm extrusion forming complete equipment and forming process |
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Application publication date: 20130116 |