CN106216421A - A kind of gear ring hot-extrusion mold and assembly method thereof - Google Patents
A kind of gear ring hot-extrusion mold and assembly method thereof Download PDFInfo
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- CN106216421A CN106216421A CN201610777660.XA CN201610777660A CN106216421A CN 106216421 A CN106216421 A CN 106216421A CN 201610777660 A CN201610777660 A CN 201610777660A CN 106216421 A CN106216421 A CN 106216421A
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- die
- punch
- reducer
- gear ring
- isometrical section
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C25/00—Profiling tools for metal extruding
- B21C25/02—Dies
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C35/00—Removing work or waste from extruding presses; Drawing-off extruded work; Cleaning dies, ducts, containers, or mandrels
- B21C35/02—Removing or drawing-off work
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21K—MAKING FORGED OR PRESSED METAL PRODUCTS, e.g. HORSE-SHOES, RIVETS, BOLTS OR WHEELS
- B21K1/00—Making machine elements
- B21K1/28—Making machine elements wheels; discs
- B21K1/30—Making machine elements wheels; discs with gear-teeth
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- Mechanical Engineering (AREA)
- Forging (AREA)
Abstract
The present invention relates to a kind of gear ring hot-extrusion mold and assembly method thereof, including mould bases, punch, punch keeper, die, die keeper, backing-out punch, upper ejector pin and lower push rod；When punch goes downwards to working position, the working portion of punch has part to be positioned at outside the forming cavity of die；Punch uses step；The working portion of punch is made up of first isometrical section, the first reducer, second isometrical section and the second reducer；One end of first isometrical section is connected with the standing part of punch, and the other end of first isometrical section and the miner diameter end of the first reducer are connected；One end of the bigger diameter end of the first reducer and second isometrical section is connected；Second isometrical section is connected with the bigger diameter end of the second reducer away from one end of the first reducer.The invention has the beneficial effects as follows: the dimensional accuracy of molding gear ring is high, shape accuracy is high, and recessed in-molded gear ring is convenient to when carrying out the demoulding with punch, easy to use, and stock utilization is high, simple in construction.
Description
Technical field
The present invention relates to a kind of gear ring hot-extrusion mold and assembly method thereof.
Background technology
Decelerator is a kind of to be made up of the gear drive being enclosed in stiff case, worm-drive, pinion-endless screw transmission
Individual components, the speed reduction gearing being commonly used between driving link and working machine, the transmission axle of decelerator is mutually passing
Time defeated, it is the engaging each other of gear used.The mode of production great majority of gear-wheel gear-ring are casting at present, casting molding out
Product size precision is low, shape accuracy is low, and it is low to cast product material utilization rate out.
Summary of the invention
The technical problem to be solved is to provide a kind of shaped article dimensional accuracy height, stock utilization height, shape
Gear ring hot-extrusion mold that shape accuracy is high and assembly method thereof.
The technical scheme is that a kind of gear ring hot-extrusion mold, including mould bases, convex
Mould, punch keeper, die, die keeper, backing-out punch, upper ejector pin and lower push rod；Punch is fixed on by punch keeper
In the upper part of mould bases, and the working portion of punch is down；Die is fixed on the mould bases immediately below punch by die keeper
On；The centrage of punch and the centerline collineation of die；Backing-out punch is arranged in the forming cavity of die；Upper ejector pin is movably arranged on
Match on die keeper below backing-out punch and with backing-out punch；Lower push rod be movably arranged on the mould bases below upper ejector pin and
Match with upper ejector pin；When punch goes downwards to working position, the working portion of punch has part to be positioned at outside the forming cavity of die；
Punch uses step；The working portion of punch is by first isometrical section, the first reducer, second isometrical section and the second reducer structure
Become；One end of first isometrical section is connected with the standing part of punch, the other end of first isometrical section and the first reducer little
Footpath end is connected；One end of the bigger diameter end of the first reducer and second isometrical section is connected；Second isometrical section away from the first reducing
One end of section is connected with the bigger diameter end of the second reducer.
The invention has the beneficial effects as follows: by utilizing the gear ring hot-extrusion mold of the present invention to produce, can accomplish complete
Enclosed produces, and in production process, non-trimming produces, and punch is when carrying out hot extrusion to the blank in die simultaneously, can not only have
Effect ensure the dimensional accuracy of recessed in-molded gear ring and shape accuracy, and recessed in-molded gear ring with punch
Carry out being convenient to during the demoulding, after setting up backing-out punch in addition, be also convenient for from die, spin off extruded gear ring,
The present invention is also equipped with easy to use, and stock utilization is high, the feature of simple in construction.
On the basis of technique scheme, the present invention can also do following improvement.
Further, the diameter of the miner diameter end of the first reducer diameter equal to first isometrical section；The big footpath of the first reducer
The diameter of the end diameter equal to second isometrical section；The diameter of second isometrical section is equal to the diameter of the bigger diameter end of the second reducer.
Further, bevel angle θ of the second reducer is 100 ° to 130 °.
Further, bevel angle θ of the second reducer is 116 ° to 122 °.
Further, 1 times to 2 times of the length of a length of second reducer of second isometrical section；The length of the first reducer
It it is 1 times to 2 times of length of the second reducer.
Use and above-mentioned further provide the benefit that: in the case of guaranteeing to extrude gear ring size qualification, easily facilitate de-
Mould.
Further, second isometrical section is provided with a R angle with the second reducer in junction, and a R angle is in the range of R0.5
To R5；The miner diameter end of second isometrical section is provided with the 2nd R angle, and the 2nd R angle is in the range of R1.0 to R5.
Use and above-mentioned further provide the benefit that: avoid losing when the demoulding inner chamber of extruded gear ring.
Further, the outside projection of periphery of upper ejector pin upper end, form the first limiting section of annular；Phase on die keeper
Position is answered to be provided with the first spacing hole matched with the first limiting section on upper ejector pin.
Further, the outside projection of periphery of lower push rod upper end, form the second limiting section of annular；Relevant position on mould bases
It is provided with the second spacing hole matched with the second limiting section on lower push rod.
Use and above-mentioned further provide the benefit that: guarantee that what molding gear ring departed from die stablizes.
Further, the stroke of backing-out punch is 20mm to 78mm.
The assembly method of a kind of gear ring hot-extrusion mold, comprises the steps:
Step one, is encased in lower push rod on die shoe in the through hole being used for installing lower push rod；
Step 2, is installed to lower position block and four guide pillars on the die shoe in step one, and utilizes screw to adjust
Pad is fixed on lower position block；
Step 3, is installed to tank on the die shoe in step 2；
Step 4, in the tank being installed to by positioning seat in step 3 on die shoe, it is fixed to be secondly installed to by die backing plate
In the seat of position, again die is placed on die backing plate, and make the axial line of die and the axial line conllinear of die backing plate, from secondary
Die centring ring set is set on die, finally lower fixed form set is set on die centring ring, and utilize some screws to incite somebody to action
Lower fixed form is fastenedly connected with positioning seat, completes the location and installation to die；
Step 5, is installed to upper ejector pin to be used for installing on die supporter plate in step 4 in the through hole of push rod, and makes
The axial line of upper ejector pin and the axial line conllinear of die；
Step 6, is placed into backing-out punch in step 5 in the forming cavity of die；
Step 7, is installed to upper padding plate on upper bolster；
Step 8, the lower surface of the upper padding plate that convex mould pad is installed in step 7, and convex mould pad and upper bolster it
Between use flat key coordinate；
Step 9, is connected to the standing part of punch on the convex mould pad in step 8, and by punch centring ring pair
Punch is fixed, and in recycling, punch centring ring is fixed by fixed form, finally goes up fixed form by some
Screw is fixing with upper bolster to be connected；
Step 10, is fixed on upper limit position block on the upper bolster in step 9 by some screws；
Step 11, utilizes handling appliance by the Integral lifting that completed by step 7 to step 10 to by step one
The overall top completed to step 6, and utilize four guide pillars on die shoe and four linings on upper bolster to logical
Cross the entirety that step 7 to step 10 completed to assemble with the entirety completed by step one to step 6.
Accompanying drawing explanation
Fig. 1 is the structural representation of gear ring hot-extrusion mold of the present invention；
Fig. 2 is enlarged drawing at A in Fig. 1；
Fig. 3 is enlarged drawing at B in Fig. 1；
Fig. 4 is the dimensional drawing of gear ring in Fig. 1.
In accompanying drawing, the list of parts representated by each label is as follows:
01, mould bases, the 011, second spacing hole, 012, upper bolster, 013, die shoe, 014, lower position block, 015, upper limit
Block, 016, tank, 017, adjust pad, 02, punch, 021, first isometrical section, the 022, first reducer, 023, second is isometrical
Section, the 024, second reducer, the 025, the oneth R angle, the 026, the 2nd R angle, the 027, the 3rd R angle, 03, die, 04, backing-out punch, 05, on
Push rod, the 051, first limiting section, 06, lower push rod, the 061, second limiting section, 07, upper padding plate, 08, convex mould pad, 09, punch fixed
Position circle, 10, upper fixed form, 11, die backing plate, the 111, first spacing hole, 12, die centring ring, 13, lower fixed form；14、
Positioning seat.
Detailed description of the invention
Being described principle and the feature of the present invention below in conjunction with accompanying drawing, example is served only for explaining the present invention, and
Non-for limiting the scope of the present invention.
As it is shown in figure 1, a kind of gear ring hot-extrusion mold, including mould bases 01, punch 02, punch keeper, die 03, die
Keeper.
Mould bases 01 produces for totally enclosed type, and in production process, non-trimming produces, and power consumption is few, and die manufacturing cost is low.
The concrete structure of mould bases 01 is as follows:
Mould bases 01 includes upper bolster 012, die shoe 013, lower position block 014, upper limit position block 015, tank 016, adjusting pad
Sheet 017；Upper bolster 012 is oppositely arranged with die shoe 013, and die shoe 013 is locked on equipment work top by dovetail groove, on
Die holder 012 is fixed on the big slide block of equipment by dovetail groove, and tank 016 is arranged on die shoe 013 one end near upper bolster 012
End face on；Being arranged on the die shoe 013 outside tank 016 of lower position block 014 cincture, lower position block 014 and die shoe
Screw is used to be fastenedly connected between 013；Adjust pad 017 and be arranged on the lower position block 014 end face away from one end of die shoe 013
On, adjust pad 017 and use screw to be fixed on lower position block 014；Adjust cross-sectional profiles shape and the lower limit of pad 017
The cross-sectional profiles shape of block 014 is identical；Upper limit position block 015 is arranged on the upper bolster 012 end face near one end of die shoe 013
On, upper limit position block 015 uses screw to be fixed on upper bolster.In order to the water in anti-water stopping trough 016 outflows, tank 016 with under
The junction of die holder 013 is provided with rubber blanket, and wherein, tank 016 is fixed by screws on die shoe 013.
In addition in order to ensure, the running precision between upper bolster 012 and die shoe 013, upper bolster 012 is provided with four
Lining, on die shoe 013, relevant position is provided with four guide pillars, matches at four linings and four guide pillars.
Punch 02 is fixed on the upper bolster 012 of mould bases 01 by punch keeper, and the working portion of punch 02 towards
Die shoe 013；Die 03 is fixed on the die shoe 013 immediately below punch 02 by die keeper, and die 03 is positioned at
In the enclosed region of tank 016；When punch 02 goes downwards to working position, the working portion of punch 02 has part to be positioned at the one-tenth of die 03
Outside die cavity, it is effectively prevented punch 02 by the gear ring compressive strain of molding.
In order to ensure the punch 02 stability on mould bases 01, the structure of punch keeper is described further:
As it is shown in figure 1, punch keeper includes upper padding plate 07, convex mould pad 08, punch centring ring 09, upper fixed form
10；When mounted, upper padding plate 07 is arranged on the top of upper bolster 012, and solid with upper bolster 012 phase by least four screw
Fixed, one of them end face of convex mould pad 08 abuts the lower surface of upper padding plate 07；The end face of the standing part of punch 02 abuts
The lower surface of convex mould pad 08；Punch centring ring 09 is set on punch 02, and the standing part of punch 02 is played clamping
The effect of location, also uses flat key to coordinate between convex mould pad 08 with upper bolster 012, punch centring ring 09 and upper bolster 012 it
Between also use flat key to coordinate, upper fixed form 10 is fastened on the surrounding of punch centring ring 09 along upper, after clamping, upper fixed form
10 are fixed with upper bolster 012 by least four screw.
In order to ensure the die 03 stability on mould bases 01, the structure of die keeper is described further:
As it is shown in figure 1, die keeper includes die backing plate 11, die centring ring 12, positioning seat 14, lower fixed form
13；When mounted, positioning seat 14 is placed on the die shoe 013 immediately below punch 02, and is fixed by some screws, die supporter
Plate 11 is placed in the enclosed region of positioning seat 14, and the lower surface of die backing plate 11 abuts die shoe 013, and die 03 is then placed in recessed
On the upper surface of die-cushion plate 11, and the centerline collineation of the centrage of die 03 and punch 02；Die centring ring 12 is set in recessed
On mould 03, and die 03 is played the effect that clamping positions, can be positioned by effective clamping in order to ensure die 03, die 03
Longitudinal section shape be trapezoidal, in the present embodiment, the longitudinal section shape of die 03 elects isosceles trapezoid, die backing plate 11 as
It is provided with the card tieholen suitable with die 03 shape；Lower fixed form 13 is fastened on the surrounding of die centring ring 12 along upper,
After clamping, lower fixed form 13 is fixed with positioning seat 14 by least four screw.Additionally, in order to can be fine to die 03
Heat radiation, die centring ring 12 is provided with multiple first flow, on positioning seat 14 be provided with multiple with first flow one by one
The second runner coordinated, wherein, first flow and the second runner are connected, and the second runner is connected with tank 016, first flow
Match with the outer surface of die 03 away from coupled one end of the second logical runner.
As shown in Figure 1, Figure 3, for convenience the gear ring in the forming cavity of die 03 is carried out discharging, in the molding of die 03
Intracavity arranges the height sum forming cavity equal to die 03 of the gear ring after backing-out punch 04, the height of backing-out punch 04 and machine-shaping
The degree of depth, the die backing plate 11 below backing-out punch 04 arranges upper ejector pin 05, the upper end of upper ejector pin 05 is movable with backing-out punch 04
Coordinating, wherein, die backing plate 11 is provided with is easy to the through hole that upper ejector pin 05 moves up and down, and upper ejector pin 05 is arranged in through hole,
During upper ejector pin 05 moves up and down, in order to avoid upper ejector pin 05 drops away from die backing plate 11, upper ejector pin 05 upper end
The outside projection of periphery, formed annular the first limiting section 051, on die backing plate 11 relevant position be provided with on upper ejector pin 05
The first spacing hole 111 of matching of the first limiting section 051, the first spacing hole 111 is concentric with the through hole on die backing plate 11；The
The diameter of one spacing hole 111 is more than the diameter of the through hole on die backing plate 11, and the diameter of the first spacing hole 111 is more than or equal to the
The diameter of one limiting section 051, the diameter of the first limiting section 051 is more than the diameter of the through hole on die backing plate 11；So when upper top
When bar 05 is descending, will not drop from die backing plate 11.
Additionally, activity arranges lower push rod 06, the upper end of lower push rod 06 and Shang Ding on die shoe 013 below upper ejector pin 05
Bar 05 clearance fit, the lower end of lower push rod 06 connects actuating unit, and wherein, die shoe 013 is provided with is easy to lower push rod about 06
Motion through hole, lower push rod 06 is arranged in through hole, lower push rod 06 move up and down during, in order to avoid lower push rod 06 from
Drop away on die shoe 013, the outside projection of periphery of lower push rod 06 upper end, form the second limiting section 061 of annular, lower mold
On seat 013, relevant position is provided with the second spacing hole 011 matched with the second limiting section 061 on lower push rod 06, and second is spacing
Hole 011 is concentric with the through hole on die shoe 013；The diameter of the second spacing hole 011 is more than the diameter of the through hole on die shoe 013,
The diameter of the second spacing hole 011 is more than lower mold more than or equal to the diameter of the second limiting section 061, the diameter of the second limiting section 061
The diameter of the through hole on seat 013；So when lower push rod 06 is descending, will not drop from die shoe 013.
In the present embodiment, the gear ring structure that described gear ring hot-extrusion mold is processed as shown in Figure 4, gear ring a height of
88.5mm, overall diameter is 95.5mm, and diameter of bore is 61mm, is provided with at the bottom of pyramidal structure, and endoporus hole and ties with taper at the bottom of endoporus hole
Structure junction is provided with rounded corners.
As in figure 2 it is shown, process the gear ring of this deep hole type for convenience, punch 02 of the present invention is step,
The structure of punch 02 is described further: punch 02 is made up of standing part and working portion, wherein, the work portion of punch 02
Divide and be made up of first isometrical section of 021, first reducer 022, second isometrical section 023 and the second reducer 024；First isometrical section
One end of 021 is connected with the standing part of punch 02, the other end of first isometrical section 021 and the path of the first reducer 022
End is connected；The bigger diameter end of the first reducer 022 and one end of second isometrical section 023 are connected；Second isometrical section 023 away from
One end of one reducer 022 is connected with the bigger diameter end of the second reducer 024；The diameter etc. of the miner diameter end of the first reducer 022
In the diameter of first isometrical section 021；The diameter of the bigger diameter end of the first reducer 022 diameter equal to second isometrical section 023；Second
The diameter of isometrical section 023 is equal to the diameter of the bigger diameter end of the second reducer 024；The diameter of second isometrical section 023 is equal in gear ring
Bore dia, the size of the second reducer 024 is suitable with the pyramidal structure at the bottom of gear ring endoporus hole, the taper of the second reducer 024
Angle θ is 100 ° to 130 °, and its occurrence can be 108 °, 116 °, 120 °, 125 °, 130 °, in the present embodiment, the second reducing
Bevel angle θ of section 024 is preferably 120 °, it is to avoid punch 02 damages gear ring when the demoulding.
Additionally, when processing the gear ring described in the present embodiment, the stroke of backing-out punch 04 is 20mm to 78mm, backing-out punch 04
Stroke can elect 30mm, 36mm, 60mm, 68mm, 78mm, in the present embodiment, preferably 68mm, it is possible to effectively guarantee into as
Gear ring after type completely disengages from out in die 03, it is to avoid when not exclusively coming off, the gear ring deformation caused by manually coming off, top
Go out the height sum degree of depth equal to the forming cavity of die 03 of the gear ring after the height of device 04 and machine-shaping.
As shown in Figure 2, it is also possible to the structure of punch 02 is made following improvement: a length of the second of second isometrical section 023 becomes
1 times of the length of footpath section 024 is to 2 times；1 times to 2 times of the length of a length of second reducer 024 of the first reducer 022, this
Sample can not only guarantee that gear ring is adding stablizing of size in man-hour, and the most convenient when gear ring separates with punch 02.Second etc.
Footpath section 023 and the second reducer 024 are provided with a R angle 025 in junction, and a R angle 025 is in the range of R0.5 to R5；Second
The miner diameter end of isometrical section 023 is provided with the 2nd R angle 026, and the 2nd R angle 026 is in the range of R1.0 to R5；First isometrical section 021 with convex
The standing part connection of mould 02 is provided with the 3rd R angle 027, and described 3rd R angle 027 is in the range of R6 to R12.
In the present embodiment, punch centring ring 09 selects 45 steel, and Rockwell hardness is HRC38-42；H13 selected by punch 02
Mould steel, and Rockwell hardness is HRC46-48；Die centring ring 12 selects 45 steel, and Rockwell hardness is HRC38-42；Die 03
Select H13 mould steel, and Rockwell hardness is HRC38-42；5CrMnMo selected by die backing plate 11, and Rockwell hardness is HRC44-
47；Upper ejector pin 05 selects W9Mo3Cr4V, and Rockwell hardness is HRC63-66；Backing-out punch 05 selects 5CrMnMo, and Rockwell hardness
For HRC44-47；Lower push rod 06 selects T7 steel, and Rockwell hardness is HRC40-44.
The assembly method of a kind of gear ring hot-extrusion mold, comprises the steps:
Step one, is encased in lower push rod 06 on die shoe 013 in the through hole being used for installing lower push rod 06；
Step 2, on the die shoe 013 be installed to lower position block 014 and four guide pillars in step one, and utilizes screw
Adjustment pad 017 is fixed on lower position block 014；
Step 3, on the die shoe 013 being installed in step 2 by tank 016；
Step 4, in the tank 016 being installed to by positioning seat 14 in step 3 on die shoe 013, secondly by die backing plate
11 are installed in positioning seat 14, are again placed on die backing plate 11 by die 03, and make axial line and the die supporter of die 03
The axial line conllinear of plate 11, is set to die centring ring 12 set die 03 from secondary, is finally set to recessed by lower fixed form 13 set
On mould centring ring 12, and utilize some screws to be fastenedly connected with positioning seat 14 by lower fixed form 13, complete determining die 03
Position is installed；
Step 5, is installed to upper ejector pin 05 in step 4 to be used on die supporter plate 11 installing in the through hole of push rod 05,
And make the axial line of upper ejector pin 05 and the axial line conllinear of die 03；
Step 6, is placed into backing-out punch 04 in step 5 in the forming cavity of die 03；
Step 7, is installed to upper padding plate 07 on upper bolster 012；
Step 8, the lower surface of the upper padding plate 07 that convex mould pad 08 is installed in step 7, and convex mould pad 08 is with upper
Flat key is used to coordinate between die holder 012；
Step 9, on the convex mould pad 08 being connected in step 8 by the standing part of punch 02, and is positioned by punch
Punch 02 is fixed by circle 09, and in recycling, punch centring ring 09 is fixed by fixed form 10, finally upper fixing
Template 10 is connected by some screws are fixing with upper bolster 012；
Step 10, on the upper bolster 012 being fixed in step 9 by some screws by upper limit position block 015；
Step 11, utilizes handling appliance by the Integral lifting that completed by step 7 to step 10 to by step one
The overall top completed to step 6, and utilize four linings on four guide pillars on die shoe 013 and upper bolster 012
The entirety completed by step 7 to step 10 is assembled by set with the entirety completed by step one to step 6.
Use above-mentioned assembly method, it is possible to effectively guarantee the quality of fit between punch 02 and die 03, it is thus possible to
Enough guarantee the dimensional accuracy of gear ring and the shape accuracy processed.
Gear ring hot-extrusion mold of the present invention, by utilizing the gear ring hot-extrusion mold of the present invention to produce, can
To accomplish that closed produces, in production process, non-trimming produces, and punch 02 is carrying out hot extrusion to the blank in die 03 simultaneously
Time, can not only effectively ensure dimensional accuracy and the shape accuracy of the gear ring of molding in die 03, and in die 03
The gear ring of molding is convenient to when carrying out the demoulding with punch 02, after setting up backing-out punch 05 in addition, is also convenient for extruded
Gear ring spin off from die 03, the present invention is also equipped with easy to use, and stock utilization is high, the feature of simple in construction.
In describing the invention, it is to be understood that term " " center ", " longitudinally ", " laterally ", " length ", " width ",
" thickness ", " on ", D score, "front", "rear", "left", "right", " vertically ", " level ", " top ", " end " " interior ", " outward ", " up time
Pin ", " counterclockwise ", " axially ", " radially ", the orientation of the instruction such as " circumferential " or position relationship be based on orientation shown in the drawings or
Position relationship, is for only for ease of the description present invention and simplifies description rather than instruction or imply that the device of indication or element must
Must have specific orientation, with specific azimuth configuration and operation, be therefore not considered as limiting the invention.
Additionally, term " first ", " second " are only used for describing purpose, and it is not intended that instruction or hint relative importance
Or the implicit quantity indicating indicated technical characteristic.Thus, define " first ", the feature of " second " can express or
Implicitly include at least one this feature.In describing the invention, " multiple " are meant that at least two, such as two, three
Individual etc., unless otherwise expressly limited specifically.
In the present invention, unless otherwise clearly defined and limited, term " install ", " being connected ", " connection ", " fixing " etc.
Term should be interpreted broadly, and connects for example, it may be fixing, it is also possible to be to removably connect, or integral；Can be that machinery connects
Connect, it is also possible to be electrical connection；Can be to be joined directly together, it is also possible to be indirectly connected to by intermediary, in can being two elements
The connection in portion or the interaction relationship of two elements, unless otherwise clear and definite restriction.For those of ordinary skill in the art
For, above-mentioned term concrete meaning in the present invention can be understood as the case may be.
In the present invention, unless otherwise clearly defined and limited, fisrt feature second feature " on " or D score permissible
It is that the first and second features directly contact, or the first and second features are by intermediary mediate contact.And, fisrt feature exists
Second feature " on ", " top " and " above " but fisrt feature directly over second feature or oblique upper, or be merely representative of
Fisrt feature level height is higher than second feature.Fisrt feature second feature " under ", " lower section " and " below " can be
One feature is immediately below second feature or obliquely downward, or is merely representative of fisrt feature level height less than second feature.
In the description of this specification, reference term " embodiment ", " some embodiments ", " example ", " specifically show
Example " or the description of " some examples " etc. means to combine this embodiment or example describes specific features, structure, material or spy
Point is contained at least one embodiment or the example of the present invention.In this manual, to the schematic representation of above-mentioned term not
Identical embodiment or example must be directed to.And, the specific features of description, structure, material or feature can be in office
One or more embodiments or example combine in an appropriate manner.Additionally, in the case of the most conflicting, the skill of this area
The feature of the different embodiments described in this specification or example and different embodiment or example can be tied by art personnel
Close and combination.
Although above it has been shown and described that embodiments of the invention, it is to be understood that above-described embodiment is example
Property, it is impossible to being interpreted as limitation of the present invention, those of ordinary skill in the art within the scope of the invention can be to above-mentioned
Embodiment is changed, revises, replaces and modification.
Claims (10)
1. a gear ring hot-extrusion mold, it is characterised in that include mould bases (01), punch (02), punch keeper, die
(03), die keeper, backing-out punch (04), upper ejector pin (05) and lower push rod (06)；Described punch (02) passes through punch keeper
It is fixed in the upper part of described mould bases (01), and the working portion of described punch (02) is down；Described die (03) is by recessed
Mould keeper is fixed on the described mould bases (01) immediately below described punch (02)；The centrage of described punch (02) is recessed with described
The centerline collineation of mould (03)；Described backing-out punch (04) is arranged in the forming cavity of described die (03)；Described upper ejector pin (05)
It is movably arranged on the die keeper of described backing-out punch (04) lower section and matches with backing-out punch (04)；Described lower push rod (06)
The mould bases (01) being movably arranged on described upper ejector pin (05) lower section above and matches with upper ejector pin (05)；When under described punch (02)
When row is to working position, the working portion of described punch (02) has part to be positioned at outside the forming cavity of described die (03)；Described convex
Mould (02) uses step；The working portion of described punch (02) by first isometrical section (021), the first reducer (022), second
Isometrical section (023) and the second reducer (024) are constituted；The one end of described first isometrical section (021) is consolidated with described punch (02)
Fixed part is connected, and the other end of described first isometrical section (021) is connected with the miner diameter end of described first reducer (022)；
The bigger diameter end of described first reducer (022) is connected with the one end of described second isometrical section (023)；Described second isometrical section
(023) it is connected with the bigger diameter end of described second reducer (024) away from one end of the first reducer (022).
A kind of gear ring hot-extrusion mold the most according to claim 1, it is characterised in that described first reducer (022)
The diameter of miner diameter end is equal to the diameter of described first isometrical section (021)；The diameter etc. of the bigger diameter end of described first reducer (022)
Diameter in described second isometrical section (023)；The diameter of described second isometrical section (023) is equal to described second reducer (024)
The diameter of bigger diameter end；The size of described second isometrical section (023) and described second reducer (024) and the corresponding size of gear ring
Suitable.
A kind of gear ring hot-extrusion mold the most according to claim 2, it is characterised in that described second reducer (024)
Bevel angle θ is 100 ° to 130 °.
A kind of gear ring hot-extrusion mold the most according to claim 3, it is characterised in that described second reducer (024)
Bevel angle θ is 116 ° to 122 °.
A kind of gear ring hot-extrusion mold the most according to claim 1, it is characterised in that described second isometrical section (023)
1 times to 2 times of the length of a length of described second reducer (024)；A length of described the second of described first reducer (022)
1 times of the length of reducer (024) is to 2 times.
A kind of gear ring hot-extrusion mold the most according to claim 1, it is characterised in that described second isometrical section (023) with
Described second reducer (024) is provided with a R angle (025) in junction, and a described R angle (025) is in the range of R0.5 to R5；
The miner diameter end of described second isometrical section (023) is provided with the 2nd R angle (026), and described 2nd R angle (026) is in the range of R1.0 to R5.
A kind of gear ring hot-extrusion mold the most according to claim 1, it is characterised in that the circle of described upper ejector pin (05) upper end
Face out projection week, form first limiting section (051) of annular；On described die keeper, relevant position is provided with and described upper top
The first spacing hole (111) that the first limiting section (051) on bar (05) matches.
A kind of gear ring hot-extrusion mold the most according to claim 1, it is characterised in that the circle of described lower push rod (06) upper end
Face out projection week, form second limiting section (061) of annular；The upper relevant position of described mould bases (01) is provided with and described lower push rod
(06) the second spacing hole (011) that the second limiting section (061) on matches.
A kind of gear ring hot-extrusion mold the most according to claim 1, it is characterised in that the stroke of described backing-out punch (04) is
20mm to 78mm.
10. the assembly method of the arbitrary described gear ring hot-extrusion mold of claim 1 to 9, it is characterised in that include as follows
Step:
Step one, is encased in lower push rod (06) in the through hole being used for installing lower push rod (06) on die shoe (013)；
Step 2, on the die shoe (013) be installed to lower position block (014) and four guide pillars in step one, and utilizes screw
Pad (017) will be adjusted be fixed on lower position block (014)；
Step 3, on the die shoe (013) being installed in step 2 by tank (016)；
Step 4, is installed to positioning seat (14) tank (016) on die shoe in step 3 (013) Nei, secondly by die supporter
Plate (11) is installed in positioning seat (14), is again placed on die backing plate (11) by die (03), and makes the axle of die (03)
Heart line and the axial line conllinear of die backing plate (11), be set to die centring ring (12) set die (03), under finally inciting somebody to action from secondary
Fixed form (13) set is set on die centring ring (12), and utilizes some screws by lower fixed form (13) and positioning seat (14)
It is fastenedly connected, completes the location and installation to die (03)；
Step 5, is installed to be used for installing on die supporter plate (11) in step 4 the through hole of push rod (05) by upper ejector pin (05)
In, and make the axial line of upper ejector pin (05) and the axial line conllinear of die (03)；
Step 6, is placed into backing-out punch (04) in the forming cavity of die in step 5 (03)；
Step 7, is installed to upper padding plate (07) on upper bolster (012)；
Step 8, the lower surface of the upper padding plate (07) that convex mould pad (08) is installed in step 7, and convex mould pad (08) with
Flat key is used to coordinate between upper bolster (012)；
Step 9, on the convex mould pad (08) being connected in step 8 by the standing part of punch (02), and is positioned by punch
Punch (02) is fixed by circle (09), and in recycling, punch centring ring (09) is fixed by fixed form (10),
Rear upper fixed form (10) is connected by some screws and upper bolster (012) are fixing；
Step 10, on the upper bolster (012) being fixed in step 9 by some screws by upper limit position block (015)；
Step 11, utilize handling appliance by the Integral lifting that completed by step 7 to step 10 to by step one to step
The rapid six overall tops completed, and utilize four linings on four guide pillars on die shoe (013) and upper bolster (012)
The entirety completed by step 7 to step 10 is assembled by set with the entirety completed by step one to step 6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610777660.XA CN106216421A (en) | 2016-08-30 | 2016-08-30 | A kind of gear ring hot-extrusion mold and assembly method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610777660.XA CN106216421A (en) | 2016-08-30 | 2016-08-30 | A kind of gear ring hot-extrusion mold and assembly method thereof |
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| CN106216421A true CN106216421A (en) | 2016-12-14 |
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|---|---|---|---|
| CN201610777660.XA Pending CN106216421A (en) | 2016-08-30 | 2016-08-30 | A kind of gear ring hot-extrusion mold and assembly method thereof |
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Cited By (5)
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| CN108372682A (en) * | 2018-02-02 | 2018-08-07 | 湖北纳福传动机械股份有限公司 | A kind of electric screw press shaft forgings mould bases and its assembly method |
| CN108380679A (en) * | 2018-02-02 | 2018-08-10 | 湖北纳福传动机械股份有限公司 | A kind of yoke cold reducing extrusion die and its assembly method |
| CN108687289A (en) * | 2018-05-22 | 2018-10-23 | 江苏太平洋齿轮传动有限公司 | Configure the conjunction gear cold-finishing mould of spline mandril |
| CN109968454A (en) * | 2017-12-28 | 2019-07-05 | 中国石油天然气股份有限公司 | Tool for manufacturing gasket |
| CN114505427A (en) * | 2022-03-03 | 2022-05-17 | 哈尔滨工业大学 | Thermal mechanical densification device for brittle high-entropy alloy hot-pressing sintering body and using method thereof |
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| CN114505427A (en) * | 2022-03-03 | 2022-05-17 | 哈尔滨工业大学 | Thermal mechanical densification device for brittle high-entropy alloy hot-pressing sintering body and using method thereof |
| CN114505427B (en) * | 2022-03-03 | 2024-05-24 | 哈尔滨工业大学 | Thermomechanical densification device for brittle high-entropy alloy hot-pressed sintering body and use method thereof |
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