CN206474519U - A kind of cold extrusion press for processing spraying arbor - Google Patents

A kind of cold extrusion press for processing spraying arbor Download PDF

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Publication number
CN206474519U
CN206474519U CN201720166774.0U CN201720166774U CN206474519U CN 206474519 U CN206474519 U CN 206474519U CN 201720166774 U CN201720166774 U CN 201720166774U CN 206474519 U CN206474519 U CN 206474519U
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China
Prior art keywords
mold
arbor
spraying
mould
smooth surface
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Expired - Fee Related
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CN201720166774.0U
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Chinese (zh)
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梁耀
张烈鹏
顾艳军
张军
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Agricultural Machinery Co Ltd Hubei Name Thai
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Agricultural Machinery Co Ltd Hubei Name Thai
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Abstract

A kind of cold extrusion press for processing spraying arbor, including upper press section, squeeze station, demoulding portion, PLC control system, hydraulic system, guide support column, upper press section is supported by guide support column, compressional movement is done under the driving of hydraulic system along guide support column by upper press section and demoulding portion, PLC control system controls the work of hydraulic system, it is characterised in that:Upper press section includes seaming chuck and mold, and mold is with seaming chuck using being removably connected, and squeeze station is provided with removably lower mould, and the bottom of described lower mould is provided with hole;Knockout pin of the demoulding portion provided with hydraulic cylinder and Driven by Hydraulic Cylinder, knockout pin is located at the underface of lower mould hole.The processing efficiency present in high-volume processing of axle used in spray in the prior art is solved low, the problem of high processing costs.

Description

A kind of cold extrusion press for processing spraying arbor
Technical field
The utility model is related to mechanical manufacturing field, and spy is related to a kind of cold extrusion press for processing spraying arbor and spraying arbor Processing technology.
Background technology
It is a kind of structure chart of typical spraying arbor in accompanying drawing 1, to two ends shaft diameter in step between spraying arbor therefrom Formula reduces, and major diameter axle excessively, also has spline or gear structure, using routine to the shaft shoulder between small diameter shaft on spraying arbor Processing mode is extremely difficult, and human cost is very high.
The processing mode of usual axle is turning, if from lathe in machining, although the quality of numerically controlled lathe processing is good, But processing cost is higher, feed to be processed more than once to shaft-like work, the amount of each turning is very limited, behind process Spline will be also processed further using gear shapping machine or gear-hobbing machine, and whole technological process is very long.If added from turn Work, requires higher to workman's qualification, and the workpiece that different workmans are processed also can have larger difference, it is necessary to individually Quality inspection, needs for processing spline or gear structure in addition, processing efficiency is also very low after machining.Be not suitable for very much high-volume Processing.
On the other hand, by turning and the product of gear shaping or gear hobbing process, it will certainly be carried many materials when waste material removal High material cost.
Utility model content
In view of the shortcomings of the prior art, the utility model provides a kind of cold extrusion press and spraying machine for processing spraying arbor The processing technology of axle, the processing efficiency present in high-volume processing of axle used in spray is low in the prior art for solution, plus The problem of work cost is high.
The technical solution of the utility model is:A kind of cold extrusion press for processing spraying arbor, including upper press section, extruding Platform, demoulding portion, PLC control system, hydraulic system, guide support column, upper press section are supported by guide support column, and upper press section exists Compressional movement is done along guide support column under the driving of hydraulic system, PLC control system controls the work of hydraulic system, its feature It is:Upper press section includes seaming chuck and mold, and mold is with seaming chuck using being removably connected, and squeeze station is provided with can The lower mould of dismounting, the bottom of described lower mould is provided with through hole;Knockout pin of the demoulding portion provided with hydraulic cylinder and Driven by Hydraulic Cylinder, Knockout pin is located at the underface of lower mould through hole and may pass through through hole.
Optionally, mold and the axle extrusion die that lower mould is the spatial model with spraying machine shape shaft size characteristic External member, the maximum position of spraying machine shaft diameter is interval for the boundary of mold and lower mould, the spatial mode of mold and lower mould Type is in cylinder and diameter gradually successively decreases in step type from outside to inside.
Optionally, mold includes the tooth extruding mold and smooth surface axle that profile inner space has spline or gear feature Mold, lower mould includes the space shape in mould under the lower support mode of tooth extruding and smooth surface axle, described tooth extruding mold Shape is by the spline or gear shape size design of spraying arbor, described tooth extruding mold and the described lower branch hold mode of tooth extruding Tool is supported the use;Spatial form under smooth surface axle mold and smooth surface axle in mould is by the size shape design of spraying arbor, light Mould is supported the use and spline or the gear parts mould on smooth surface axle on correspondence spraying arbor under face axle mold and smooth surface axle Mould retains gear compound graduation circular diameter thickness, remaining corresponding part mould under smooth surface axle mold and smooth surface axle under tool and smooth surface axle Tool leaves 1mm allowance.
Smooth surface axle mold in mold with mould is corresponding under smooth surface axle supports the use, blank is put into extruder, Support mode is corresponding under tooth extruding mold in mold is extruded with the tooth in lower mould supports the use, processing spline or gear When one-shot forming, processing mold is tooth extrusion die, and lower mould is processed to be processed axle feature manhole and is put into blank In lower mould, lower mould plays position-limiting action, and the tooth extrusion die of mold does downwards extruding fortune under the control of PLC control system Dynamic, the spraying machine shaft-like work of spline or gear to be processed extrudes spline or gear in the extrusion die of mold.
Optionally, upper press section is provided with spacing guide rod A, and spacing guide rod A lower end is provided with blind hole helical pitch pipe, blind hole The bottom of helical pitch pipe is provided with damping spring or shock absorbing rubber pad, and squeeze station is provided with the blind hole helical pitch with the spacing guide rod A The spacing guide rod B that pipe matches, spacing guide rod B top are provided with chamfering or fillet, and spacing guide rod B is located at spacing be oriented to Bar A underface.
Optionally, mold is connected with seaming chuck using magnetic, and seaming chuck is provided with magnetic matrix support base, upper mould Tool is placed on magnetic matrix support base groove, is fixed by magnetic-adsorption.
Optionally, lower mould is connected with squeeze station using magnetic, and squeeze station is provided with magnetic matrix support base, lower mould Tool is placed on magnetic matrix support base groove, is fixed by magnetic-adsorption.
Optionally, mold is fixed with bolts with seaming chuck.
Optionally, lower mould is fixed with bolts with squeeze station.
A kind of processing technology for arbor of spraying, it is characterised in that comprise the following steps:
Step 1, get the raw materials ready:According to the size of processed spraying machine axle and the weight of calculating spraying arbor, selection diameter is in spray The conduct material to be processed of the +/- 20% scope round bar steel of the diameter of mist arbor most thick portion point, further according to weight, density and The length of blank needed for diameter is calculated, cutting round bar obtains blank, finally examines the weight of blank, the weight of gained blank It is bigger than final products weight by 5%~20%;It is preferred that round bar steel be 20CrMnTi round steel.
Step 2, phosphorus saponification process:Blank is subjected to phosphorus saponification process;Phosphatization be by the metal of clean surface be put into containing Handled in phosphatic dilute acid solutions;Saponification is that the metal of clean surface is put into sodium stearate solution to soak one section Time, metal surface is adsorbed saponification layer securely and do lubricant.After blank phosphorus saponification process, blank surface can be caused Soften, while lubrication is played, the convenient follow-up demoulding.
Step 3, an extrusion forming:Blank after phosphorus saponification process is put into having for spraying arbor cold extrusion press to spray Under the smooth surface axle of arbor feature in mould, seaming chuck drives smooth surface axle mold to move downward and squeezed out with axle appearance and size spy The semi-finished product axle levied, seaming chuck is lifted, and knockout pin extrudes semi-finished product axle the spline on mould under smooth surface axle, correspondence spraying arbor Or the diameter of gear parts keeps identical with gear compound graduation circular diameter, remainder leaves 1mm allowance;
Step 4, secondary extrusion is molded:What step 3 gained semi-finished product axle was put into arbor cold extrusion press of spraying has gear In the lower support mode of tooth extruding of feature, seaming chuck drives tooth extruding mold to move downward and squeezes out spline or gear position is squeezed Spline or gear structure feature are extruded, the axle processed extrusion tooth is extruded lower support mode by knockout pin;
Step 5, finish:The semi-finished product axle with spline or gear obtained by step 4 is carried out further with lathe Finishing, the chamfering removing for leaving major diameter axle and small diameter shaft is processed to step 3, positioning shaft shoulder is formed, removes axle outer surface Layer of metal, treat subsequent heat treatment.
Step 6, it is heat-treated:The axle that step 5 is obtained first carries out carbo-nitriding heat treatment, locates in the salt bath of carbon containing and nitrogen Manage 900~1000 DEG C of temperature, soaking time 1~3 hour;Next Quenching Treatment at a temperature of 800~850 DEG C, finally 180 Temper at a temperature of~200 degrees Celsius.The hardness of carburized surface is up to HRC58--63 after heat treatment, and other surfaces (can quench Place's core thoroughly) hardness is up to HRC35--45.
Step 7, cylindrical grinding:The working face of axle after carbo-nitriding is handled ground smooth on sander, makes rough surface Degree reaches Ra0.8.
The beneficial effect brought of technical scheme that the utility model is provided is:
1. the cold extrusion press moving component is few, PLC control program is simple, in use, special set of molds is respectively mounted On upper press section and squeeze station, it is put into mould, is squeezed in PLC control system control by the blank of spraying arbor to be processed Splenium is moved downward, the blank of the spraying arbor on squeeze station, needed for being deformed under the squeezing action of mold and lower mould The shape and structure feature wanted, after the completion of extruding, upper press section is lifted, and the hydraulic cylinder in PLC control system driving demoulding portion, which drives, to be taken off Tringle is moved upwards.The bottom of lower mould in cold extrusion press of the present utility model is provided with through hole, is additionally provided with knockout pin, is stripped Bar can pass through the through hole of lower mold bottom.After the completion of workpiece extruding, typically no appropriate drafting angle is difficult rapid Extruding workpiece is taken out, the knockout pin of Driven by Hydraulic Cylinder is set, even no drafting angle also can will extrude what is completed rapidly Workpiece is extracted.The process of one part is machined, and removes the blank of the next spraying arbor of part exchanging.Whole process does not surpass 10s is crossed, processing efficiency is substantially increased.And the skills involved in the labour to skilled worker require low, and skilled worker only needs to take Part is put, recruitment cost is reduced.
2. mold has the axle extrusion die external member of the spatial model of spraying arbor feature with lower mould, by arbor of spraying The maximum position of diameter is interval as the boundary of mold and lower mould, is stripped after conveniently machining.By blank during processing It is put into lower mould, the extruded rod of mold does compressional movement downwards under the control of PLC control system, and blank is in upper/lower die Extruding under deformation fill up the spatial model of mold and lower mould, blank has just been processed into the spraying machine of mold and lower mould The spraying arbor semi-finished product of axle feature, simple to operate, high in machining efficiency a, extrusion forming.
3. just plastic, high in machining efficiency, homogeneity of product is once extruded using tooth extrusion die processing gear or spline It is good.
4. set spacing guide rod A and spacing guide rod B, the upper press section of prevention and squeeze station are when processing because of workpiece Crush resistance causes squeeze station to shift, and spacing guide rod B top is provided with chamfering or fillet, can guide spacing guiding In pipe B insertion blind hole helical pitch pipes.The bottom of other spacing guide rod A blind hole helical pitch pipe is provided with damping spring or shock absorbing rubber Pad, it is possible to reduce upper press section and squeeze station impact the vibration of moment, protect process equipment, improve process equipment service life.
5. the groove of magnetic matrix support base can prevent mould from being breakked away under big compression shock.
6. using processing technology of the present utility model, the technological process of processing can be shortened, processing efficiency is improved, subtracted Lack the waste of raw material metal, reduced the otherness that Product processing is caused, improve product quality.
Brief description of the drawings
, below will be to needed for embodiment description in order to illustrate more clearly of the technical scheme in the utility model embodiment The accompanying drawing to be used is briefly described, it should be apparent that, drawings in the following description are only some realities of the present utility model Example is applied, for those of ordinary skill in the art, on the premise of not paying creative work, can also be according to these accompanying drawings Obtain other accompanying drawings.
Fig. 1 is a kind of typical spraying machine axle construction schematic diagram in the prior art.
Fig. 2 is a kind of cold extrusion press structural representation for processing spraying arbor of the utility model.
Fig. 3 is the utility model spacing guide rod A and spacing guide rod B structural representation.
Fig. 4 is the assembling structure of mould and hydraulic cylinder and knockout pin under the utility model smooth surface axle mold, smooth surface axle Schematic diagram.
Fig. 5 is the structural representation that the utility model tooth extrudes mold.
Fig. 6 is the structural representation of the utility model tooth extruding mold and the lower support mode of tooth extruding and knockout pin.
In figure:Upper press section 1, seaming chuck 11, mold 12, tooth extruding mold 121, smooth surface axle mold 122, extruding Mould 212, demoulding portion 3, hydraulic cylinder 31, knockout pin 32, spray under platform 2, lower mould 21, the lower support mode 211 of tooth extruding, smooth surface axle Mist arbor 4, guide support column 5, spacing guide rod B 6, spacing guide rod A 7, blind hole helical pitch pipe 71, shock absorbing rubber pad 72.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in embodiment is carried out clear, complete Ground is described.Obviously, described embodiment is only a part of embodiment of the present utility model, rather than whole embodiments. Based on embodiment of the present utility model, the institute that those of ordinary skill in the art are obtained under the premise of creative work is not made There is other embodiment, belong to the scope of the utility model protection.
As shown in Figures 2 and 3, a kind of cold extrusion press for processing spraying arbor, including upper press section 1, squeeze station 2, the demoulding Portion 3, PLC control system, hydraulic system, guide support column 5, upper press section 1 are supported by guide support column 5, and upper press section 1 is in liquid Compressional movement is done along guide support column 5 under the driving of pressure system, PLC control system controls the work of hydraulic system, its feature It is:Upper press section 1 includes seaming chuck 11 and mold 12, and mold 12, using being removably connected, is extruded with seaming chuck 11 Platform 2 is provided with removably lower mould 21, and the bottom of described lower mould 21 is provided with through hole;Demoulding portion 3 is provided with the He of hydraulic cylinder 31 The knockout pin that hydraulic cylinder 31 drives, knockout pin is located at the underface of the lower through hole of mould 21 and may pass through through hole.
The cold extrusion press moving component is few, and PLC control program is simple, in use, special set of molds is separately mounted to On upper press section 1 and squeeze station 2, it is put into mould, is squeezed in PLC control system control by the blank of spraying arbor to be processed Splenium 1 is moved downward, the blank of the spraying arbor on squeeze station 2, is deformed under the squeezing action of mold 12 and lower mould 21 Into required shape and structure feature, after the completion of extruding, upper press section 1 is lifted, the hydraulic pressure in PLC control system driving demoulding portion 3 Cylinder 31 drives knockout pin to move upwards.The bottom of lower mould 21 in cold extrusion press of the present utility model is provided with through hole, also sets There is knockout pin, knockout pin can pass through the through hole of the lower bottom of mould 21.After the completion of workpiece extruding, typically no appropriate withdrawing pattern Angle is difficult rapidly to take out extruding workpiece, and the knockout pin for setting hydraulic cylinder 31 to drive, even no drafting angle also can It is rapid to extrude the workpiece extraction completed.The process of one part is machined, and removes the next spraying arbor of part exchanging Blank.Whole process is no more than 10s, substantially increases processing efficiency.And the skills involved in the labour to skilled worker require low, Skilled worker only needs to pick and place part, reduces recruitment cost.
Optionally, mold 12 is extruded with lower mould 21 for the axle of the spatial model with spraying machine shape shaft size characteristic Mould external member, the maximum position of spraying machine shaft diameter is interval for the boundary of mold 12 and lower mould 21, mold 12 and lower mould The spatial model of tool 21 is in cylinder and diameter gradually successively decreases in step type from outside to inside.
Mold 12 has the axle extrusion die external member of the spatial model of spraying arbor feature with lower mould 21, by spraying machine The maximum position of shaft diameter is interval as the boundary of mold 12 and lower mould 21, is stripped after conveniently machining.During processing Blank is put into lower mould 21, the extruded rod of mold 12 does compressional movement, blank downwards under the control of PLC control system The spatial model of mold 12 and lower mould 21 is filled up in deformation under the extruding of upper/lower die 21, and blank has just been processed into mold 12 with lower mould 21 spraying arbor feature spraying arbor semi-finished product, simple to operate, high in machining efficiency a, extrusion forming.
Optionally, as shown in Figure 4, Figure 5 and Figure 6, mold 12, which includes profile inner space, has spline or gear feature Tooth extruding mold 121 and smooth surface axle mold 122, lower mould 21 includes under tooth extruding lower support mode 211 and smooth surface axle Spatial form in mould 212, described tooth extruding mold 121 presses the spline or gear shape size design of spraying arbor, Described tooth extruding mold 121 is supported the use with the lower support mode 211 of described tooth extruding;Smooth surface axle mold 122 and light Spatial form under the axle of face in mould 212 is designed by the size shape of spraying arbor, mould under smooth surface axle mold 122 and smooth surface axle Tool 212 is supported the use and spline or the gear parts mould under smooth surface axle mold 122 and smooth surface axle on correspondence spraying arbor 212 retain gear compound graduation circular diameter thickness, and remaining corresponding part mould 212 under smooth surface axle mold 122 and smooth surface axle leaves 1mm allowance.
Smooth surface axle mold 122 in mold 12 with mould 212 is corresponding under smooth surface axle supports the use, blank is put into crowded In press, tooth in mold 12 extruding mold 121 is corresponding with the tooth extruding time support mode 211 in lower mould 21 supporting to be made With one-shot forming when processing spline or gear, processing mold 12 is tooth extrusion die, and lower mould 21 is is processed axle characteristic circle Blank is put into lower mould 21 by shape through hole, processing, lower 21 position-limiting actions of mould, and the tooth extrusion die of mold 12 is in PLC Do compressional movement under the control of control system downwards, the extruding of the spraying machine shaft-like work of spline or gear to be processed in mold 12 Mould, extrusion spline or gear.Gear is processed using tooth extrusion die or spline once extrudes just plastic, high in machining efficiency, production Product uniformity is good.
Optionally, upper press section 1 is provided with spacing guide rod A 7, and spacing guide rod A 7 lower end is provided with blind hole helical pitch pipe 71, the bottom of blind hole helical pitch pipe 71 is provided with damping spring or shock absorbing rubber pad 72, and squeeze station 2 is provided with and the spacing guide rod The spacing guide rod B 6 that A 7 blind hole helical pitch pipe 71 matches, spacing guide rod B 6 top are provided with chamfering or fillet, spacing Guide rod B 6 is located at spacing guide rod A 7 underface.
Set in spacing guide rod A 7 and spacing guide rod B 6, prevention press section 1 and squeeze station 2 in processing because work The crush resistance of part causes squeeze station 2 to shift, and spacing guide rod B 6 top is provided with chamfering or fillet, can guide In spacing guide pipe B insertion blind hole helical pitches pipe 71.The bottom of other spacing guide rod A 7 blind hole helical pitch pipe 71 is provided with damping bullet Spring or shock absorbing rubber pad 72, it is possible to reduce upper press section 1 and squeeze station 2 impact the vibration of moment, protect process equipment, improve and add Construction equipment service life.
Optionally, mold 12 is connected with seaming chuck 11 using magnetic, and seaming chuck 11 is supported provided with magnetic matrix Seat, mold 12 is placed on magnetic matrix support base groove, fixed by magnetic-adsorption.
Optionally, lower mould 21 is connected with squeeze station 2 using magnetic, and squeeze station 2 is provided with magnetic matrix support base, Lower mould 21 is placed on magnetic matrix support base groove, is fixed by magnetic-adsorption.
It can prevent mould from being breakked away under big compression shock on magnetic matrix support base groove.
Optionally, mold 12 is fixed with bolts with seaming chuck 11.
Optionally, lower mould 21 is fixed with bolts with squeeze station 2.
A kind of processing technology for arbor of spraying, it is characterised in that comprise the following steps:
Step 1, get the raw materials ready:According to the size of processed spraying machine axle and the weight of calculating spraying arbor, selection diameter is in spray The conduct material to be processed of the +/- 20% scope round bar steel of the diameter of mist arbor most thick portion point, further according to weight, density and The length of blank needed for diameter is calculated, cutting round bar obtains blank, finally examines the weight of blank, the weight of gained blank It is bigger than final products weight by 5%~20%;It is preferred that round bar steel be 20CrMnTi round steel.
Step 2, phosphorus saponification process:Blank is subjected to phosphorus saponification process;Phosphatization be by the metal of clean surface be put into containing Handled in phosphatic dilute acid solutions;Saponification is that the metal of clean surface is put into sodium stearate solution to soak one section Time, metal surface is adsorbed saponification layer securely and do lubricant.After blank phosphorus saponification process, blank surface can be caused Soften, while lubrication is played, the convenient follow-up demoulding.
Step 3, an extrusion forming:Blank after phosphorus saponification process is put into having for spraying arbor cold extrusion press to spray Under the smooth surface axle of arbor feature in mould 212, seaming chuck 11 drives smooth surface axle mold 122 to move downward and squeezed out outside with axle The semi-finished product axle of shape size characteristic, seaming chuck 11 is lifted, and semi-finished product axle is extruded mould 212 under smooth surface axle, correspondence spray by knockout pin The diameter of spline or gear parts on mist arbor keeps identical with gear compound graduation circular diameter, and remainder leaves 1mm processing Surplus;
Step 4, secondary extrusion is molded:What step 3 gained semi-finished product axle was put into arbor cold extrusion press of spraying has gear In the lower support mode 211 of tooth extruding of feature, seaming chuck 11 drives tooth extruding mold 121 to move downward and squeezes out spline or tooth Wheel position squeezes out spline or gear structure feature, and the axle processed extrusion tooth is extruded lower support mode 211 by knockout pin;
Step 5, finish:The semi-finished product axle with spline or gear obtained by step 4 is carried out further with lathe Finishing, the chamfering removing for leaving major diameter axle and small diameter shaft is processed to step 3, positioning shaft shoulder is formed, removes axle outer surface Layer of metal, treat subsequent heat treatment.
Step 6, it is heat-treated:The axle obtained to step 5 carries out carbo-nitriding heat treatment, is handled in the salt bath of carbon containing and nitrogen 900~1000 DEG C of temperature, soaking time 1~3 hour;Secondly Quenching Treatment at a temperature of 800~850 DEG C, finally 180~ Temper at a temperature of 200 degrees Celsius.The hardness of carburized surface is up to HRC58--63 after heat treatment, and other surfaces (can through hardening Locate core) hardness is up to HRC35--45.
Step 7, cylindrical grinding:The working face of axle after carbo-nitriding is handled ground smooth on sander, makes rough surface Degree reaches Ra0.8.
Using the processing technology, the technological process of processing is shortened, processing efficiency is improved, raw material metal is reduced Waste, reduce the otherness that Product processing is caused, improve product quality.

Claims (8)

1. a kind of cold extrusion press for processing spraying arbor, including upper press section (1), squeeze station (2), demoulding portion (3), PLC controls System, hydraulic system, guide support column (5), upper press section (1) are supported by guide support column (5), and upper press section (1) is in hydraulic pressure Compressional movement is done along guide support column (5) under the driving of system, PLC control system controls the work of hydraulic system, its feature It is:Upper press section (1) includes seaming chuck (11) and mold (12), and mold (12) is with seaming chuck (11) using dismountable Connection, squeeze station (2) is provided with removably lower mould (21), and the bottom of described lower mould (21) is provided with through hole;Demoulding portion (3) knockout pin (32) driven provided with hydraulic cylinder (31) and hydraulic cylinder (31), knockout pin (32) is located at lower mould (21) through hole Underface simultaneously may pass through through hole.
2. a kind of cold extrusion press for processing spraying arbor according to claim 1, it is characterised in that:Mold (12) is with Mould (21) is the axle extrusion die external member of the spatial model with spraying arbor (4) geomery feature, spraying machine shaft diameter Maximum position is that mold (12) and the boundary of lower mould (21) are interval, mold (12) and the spatial model of lower mould (21) In cylinder and from outside to inside diameter in step type gradually successively decrease.
3. a kind of cold extrusion press for processing spraying arbor according to claim 1, it is characterised in that:Mold (12) includes Profile inner space has the tooth extruding mold (121) and smooth surface axle mold (122) of spline or gear feature, lower mould (21) include in mould (212) under the lower support mode (211) of tooth extruding and smooth surface axle, described tooth extruding mold (121) Spatial form presses the spline or gear shape size design of spraying arbor (4), and described tooth extrudes mold (121) and described The lower support mode (211) of tooth extruding is supported the use;Space shape under smooth surface axle mold (122) and smooth surface axle in mould (212) Shape by spraying arbor (4) size shape design, under smooth surface axle mold (122) and smooth surface axle mould (212) support the use and The spline or gear parts that correspondence is sprayed on arbor (4) mould (212) under smooth surface axle mold (122) and smooth surface axle retain tooth Reference diameter thickness is taken turns, remaining corresponding part mould (212) under smooth surface axle mold (122) and smooth surface axle leaves 1mm's Allowance.
4. a kind of cold extrusion press for processing spraying arbor according to claim 1, it is characterised in that:On upper press section (1) Provided with spacing guide rod A (7), the lower end of spacing guide rod A (7) is provided with blind hole helical pitch pipe (71), the bottom of blind hole helical pitch pipe (71) Portion is provided with damping spring or shock absorbing rubber pad (72), and squeeze station (2) is provided with the blind hole helical pitch with the spacing guide rod A (7) The spacing guide rod B (6) that pipe (71) matches, the top of spacing guide rod B (6) is provided with chamfering or fillet, spacing guide rod B (6) it is located at the underface of spacing guide rod A (7).
5. a kind of cold extrusion press for processing spraying arbor according to claim 1, it is characterised in that:Mold (12) with it is upper Pressure head (11) is connected using magnetic, and seaming chuck (11) is provided with magnetic matrix support base, and it is recessed that mold (12) is placed on magnetic On type support base groove, fixed by magnetic-adsorption.
6. a kind of cold extrusion press for processing spraying arbor according to claim 1, it is characterised in that:Lower mould (21) is with squeezing (2) use magnetic of presenting a theatrical performance as the last item on a programme is connected, and squeeze station (2) is provided with magnetic matrix support base, and lower mould (21) is placed on magnetic matrix On support base groove, fixed by magnetic-adsorption.
7. a kind of cold extrusion press for processing spraying arbor according to claim 1, it is characterised in that:Mold (12) with it is upper Pressure head (11) is fixed with bolts.
8. a kind of cold extrusion press for processing spraying arbor according to claim 1, it is characterised in that:Lower mould (21) is with squeezing Present a theatrical performance as the last item on a programme (2) be fixed with bolts.
CN201720166774.0U 2017-02-23 2017-02-23 A kind of cold extrusion press for processing spraying arbor Expired - Fee Related CN206474519U (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106623467A (en) * 2017-02-23 2017-05-10 湖北名泰农机有限公司 Cold extruder for machining sprayer shaft and machining process of sprayer shaft

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106623467A (en) * 2017-02-23 2017-05-10 湖北名泰农机有限公司 Cold extruder for machining sprayer shaft and machining process of sprayer shaft

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