CN207839674U - A kind of steel wheel spoke outer circle radial direction alignment mold - Google Patents

A kind of steel wheel spoke outer circle radial direction alignment mold Download PDF

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Publication number
CN207839674U
CN207839674U CN201820266567.7U CN201820266567U CN207839674U CN 207839674 U CN207839674 U CN 207839674U CN 201820266567 U CN201820266567 U CN 201820266567U CN 207839674 U CN207839674 U CN 207839674U
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inclined wedge
lower mold
support ring
radial
mold core
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徐绍国
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SHANGHAI BAOSTEEL WHEEL CO Ltd
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SHANGHAI BAOSTEEL WHEEL CO Ltd
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Abstract

A kind of steel wheel spoke outer circle radial direction alignment mold, including:Upper and lower mould bases;Upper and lower die holder opens up four installation through-holes and movable ejector beam on lower mold holder;Upper mold binder block is set in upper die holder;First driving cylinder, is set in top mold frame vertically;Upper limit plate is set under upper die holder;Retainer backing plate is set on lower mold holder;Lower mold core cushion block is fixed on retainer backing plate center;Lower mold core, centralized positioning pin, are fixed on lower mold core cushion block;Radial support ring is sheathed on lower mold core cushion block, outside lower mold core, and radial support ring upper end is against under lower mold core step;Second driving cylinder, it is vertical to be set on the lower mold holder below radial support ring;Support ring is sheathed on radial support ring outer upper;Inclined wedge mounting ring, is fixed under upper die holder;Lower limiting board is set under inclined wedge mounting ring;Several radial direction alignment inclined wedges, are set to inclined wedge mounting ring and radial support interannular, annular in shape to be distributed, and are slidedly arranged in the oblique dovetail groove of inclined wedge mounting ring and against lower limiting board.

Description

A kind of steel wheel spoke outer circle radial direction alignment mold
Technical field
The utility model is related to auto parts and components production and processing technology equipment, more particularly to a kind of steel wheel spoke outer circle Radial alignment mold.
Background technology
Wheel is the important component of vehicle carrying, subjects normal load, cross force, driving (braking) torque of vehicle With generated various stress in driving process, it is one of safety member important on vehicle.Therefore, to the design of wheel and system Very high requirement is made, other than the selection of wheel material, the design of car wheel structure, the manufacturing process of wheel is to ensure that wheel The most critical factor of energy.
With constantly carrying for popularization and application of the high-strength steel material on wheel spoke product and high-strength steel material strength grade Height, spoke material have generally promoted 600MPa grades from original 400MPa grades, at present the spoke material of 800MPa grades Material has begun to enter batch production, spoke stretch, the rebound in processes process such as molding, wrinkling also increasingly Seriously, it especially sticks up that phenomenon is increasingly severe outside the rebound of spoke outer circle flange, causes in the appearance and performance of wheel product The stress concentration of rim body after major hidden danger, formation spoke and wheel rim press-fitting at spoke circle end face, leads to the diameter of wheel It is substantially reduced to fatigue life.
The finishing procedure generally used in the spoke processing technology of wheel industry at home at present, operation principle is to pass through Carry out alignment is stuck up in gap in adjustment (diminution) spoke outer circle between outer core rod to reach outside the rebound to spoke flange, with wheel The continuous improvement of the spoke strength of materials, the function that alignment improves are smaller and smaller.
Invention content
The purpose of this utility model is to provide a kind of steel wheel spoke outer circle radial direction alignment molds, promote existing wheel Spoke production technology improves and sticks up phenomenon outside the rebound of spoke outer circle flange, improves the verticality of spoke outer circle and mounting surface, improves vehicle The radial fatigue life of wheel, the safety of support vehicles traveling, and simple in structure, simple operation.
In order to achieve the above objectives, the technical solution of the utility model is:
A kind of steel wheel spoke outer circle radial direction alignment mold, including:Upper and lower mould bases, by guide post positioned at both sides and Guide sleeve connects;Further include,
Upper and lower die holder, loop configuration are fixedly installed in by screw on the opposite one side of the upper and lower mould bases;It is located at Four installation through-holes are uniformly opened up on lower mold holder on the inside of lower die holder;
Upper mold binder block, is set in upper die holder, the upper mold binder block outer wall top circumferential direction projection step;
First driving cylinder, cylinder body are vertically arranged in the top mold frame above the upper mold binder block, tailpiece of the piston rod Portion connects upper mold binder block;
Upper limit plate, loop configuration are set under the upper die holder, and inner rim convexedly stretches on the inside of upper die holder;
Four movable ejector beams, are set in the installation through-hole on the lower mold holder, movable ejector beam lower end and machine tool hydraulic Mandril is padded to be connected;
Retainer backing plate is set on the lower mold holder on the inside of lower die holder, and against four movable ejector beams;
Lower mold core cushion block is fixed on retainer backing plate center by screw;Lower mold core cushion block upper surface center sets center Positioning pin;
Lower mold core is fixed on by screw on the lower mold core cushion block, outer wall top circumferential direction projection step;
Radial support ring is sheathed on lower mold core cushion block, outside lower mold core, radial support ring upper end against under lower mold core step, Radial support ring outer wall top is up big and down small circular conical surface, radial support ring outer wall lower part circumferential direction projection step;
Second driving cylinder, cylinder body are vertically arranged on the lower mold holder below the radial support ring, tailpiece of the piston rod Portion connects below the radial support ring;
Support ring is sheathed on the radial support ring outer upper, and is fixed on the lower die holder by screw;Support ring The limited step of the projection of inner sidewall upper portion circumferential direction and the cooperation of radial support land rank;
Inclined wedge mounting ring is fixedly installed in by screw under the upper die holder, and inclined wedge mounting ring madial wall is up-small and down-big Circular conical surface, be symmetrically provided with several oblique dovetail grooves on the circular conical surface;
Lower limiting board, loop configuration are set under the inclined wedge mounting ring, and inner rim convexedly stretches on the inside of inclined wedge mounting ring;
Several radial direction alignment inclined wedges, are the identical arc block of size, are set to inclined wedge mounting ring and radial support interannular, are in ring Shape is distributed;The side wall setting that the radial direction alignment inclined wedge corresponds to inclined wedge mounting ring is opposite with the oblique dovetail groove in inclined wedge mounting ring The dovetail key answered, and be slidedly arranged in the oblique dovetail groove of inclined wedge mounting ring with this;The radial direction alignment inclined wedge bottom is resisted against down Limiting plate convexedly stretches on the upper surface on the inside of inclined wedge mounting ring;Radial alignment inclined wedge correspond to inclined wedge mounting ring side wall be it is upper it is small under The side wall of big circular conical surface, corresponding intramedullary expansion inclined wedge is up big and down small circular conical surface.
Further, the radial alignment inclined wedge corresponds on the circular conical surface of radial support ring in corresponding spoke excircle of workpiece notch Position set one protrusion, convex surfaces be identical taper circular conical surface;It is set on the radial support ring outer wall circular conical surface and radial direction The groove of male cooperation on alignment inclined wedge.
An adjust pad is set between support ring and lower die holder described in the utility model.
When the utility model is implemented, machine tool hydraulic pad by four movable ejector beams by retainer backing plate, lower mold core cushion block and Lower mold core, the ejection of centralized positioning pin, spoke workpiece is placed on by centralized positioning pin above lower mold core, when lathe slide block down on Spoke workpiece is pressed in lower mold core and continues downwards, to pass through lower mold core, lower mold core cushion block and retainer backing plate, work by molding compound block Dynamic ejector beam compresses lathe hydraulic die cushion downlink, and radial alignment inclined wedge DL synchronization is to plane contact in support ring and under stopping Row, inclined wedge mounting ring are continued traveling downwardly by top mold frame, upper die holder, and the conical surface on the inside of inclined wedge mounting ring pushes radial alignment inclined wedge to make The circle end face of radial contraction, spoke workpiece is deformed by the radial thrust on radial alignment inclined wedge circular cone inclined-plane, completes spoke The outer circle alignment of outer diameter.
Mould structure provided by the utility model is using seperated cone structure on the outside of spoke outer circle, and the structure is to spoke in life Workpiece takes, puts that material is more convenient, quick during production, while can more easily adjust the alignment angle stuck up outside spoke outer circle Degree;Simultaneously because domestic the raw material thickness of material and fluctuation of intensity under same batch state are very big, the utility model Fluctuation adaptability with bigger of the mould structure to spoke material on thickness and intensity.
The utility model improves sticks up phenomenon outside the rebound of spoke outer circle flange, improves hanging down for spoke outer circle and mounting surface Straight degree, improves the radial fatigue life of wheel, has ensured the safety of vehicle traveling, and simple in structure, simple operation.
Description of the drawings
Fig. 1 is the radial direction alignment inclined wedge initial position of the structural schematic diagram of the utility model embodiment.
Fig. 2 is the radial direction alignment inclined wedge downstream end position of the structural schematic diagram of the utility model embodiment.
Fig. 3 is radial support ring in the utility model embodiment, the structure sectional view of radial alignment inclined wedge.
Fig. 4 is the structural schematic diagram of radial alignment inclined wedge, spoke workpiece in the utility model embodiment.
Specific implementation mode
Referring to Fig. 1-Fig. 2, steel wheel spoke outer circle radial direction alignment mold provided by the utility model, including:
Upper and lower mould bases 1,2 is connected by guide post 3 positioned at both sides and guide sleeve 4;
Upper and lower die holder 5,6, loop configuration are fixedly installed in 1,2 opposite one side of the upper and lower mould bases by screw On;Uniformly four installation through-holes 211 are opened up on the lower mold holder 2 and positioned at 6 inside of the lower die holder;
Upper mold binder block 7 is set in upper die holder 5,7 outer wall top circumferential direction projection step 71 of the upper mold binder block;
First driving cylinder 8, cylinder body are vertically arranged in the top mold frame 1 of 7 top of the upper mold binder block, piston rod End connects upper mold binder block 7;
Upper limit plate 9, loop configuration are set under the upper die holder 5, and inner rim convexedly stretches in 5 inside of upper die holder;
Four movable ejector beams 10, are set in the installation through-hole 211 on the lower mold holder 2,10 lower end of movable ejector beam with Machine tool hydraulic pads mandril and is connected;
Retainer backing plate 11 is set on the lower mold holder 2 of the inside of lower die holder 6, and against four movable ejector beams 10;
Lower mold core cushion block 12 is fixed on 11 center of retainer backing plate by screw;12 upper surface center of lower mold core cushion block If centralized positioning pin 13;
Lower mold core 14 is fixed on by screw on the lower mold core cushion block 12, outer wall top circumferential direction projection step 141;
Radial support ring 15 is sheathed on lower mold core cushion block 12, outside lower mold core 14, and 15 upper end of radial support ring is against lower mold core Under 14 steps 141,15 outer wall top of radial support ring is up big and down small circular conical surface, and 15 outer wall lower part of radial support ring is circumferentially convex If step 151;
Second driving cylinder 16, cylinder body are vertically arranged on the lower mold holder 2 of 15 lower section of the radial support ring, piston Boom end connects 15 lower section of the radial support ring;
Support ring 17 is sheathed on 15 outer upper of radial support ring, and is fixed on the lower die holder 6 by screw; The limited step 171 of 17 inner sidewall upper portion circumferential direction projection of support ring and the cooperation of 15 step 151 of radial support ring;
Inclined wedge mounting ring 18 is fixedly installed in by screw under the upper die holder 5, and 18 madial wall of inclined wedge mounting ring is upper small Big circular conical surface down is symmetrically provided with eight oblique dovetail grooves on the circular conical surface;
Lower limiting board 19, loop configuration are set under the inclined wedge mounting ring 18, and inner rim convexedly stretches in inclined wedge mounting ring 18 Inside;
Eight pieces of radial alignment inclined wedges 20, are the identical arc block of size, are set to inclined wedge mounting ring 18 and radial support ring 15 Between, it is annular in shape to be distributed;The radial direction alignment inclined wedge 20 corresponds in the side wall setting and inclined wedge mounting ring 18 of inclined wedge mounting ring 18 The oblique corresponding dovetail key 21 of dovetail groove, and be slidedly arranged in the oblique dovetail groove of inclined wedge mounting ring 18 with this;The radial direction school 20 bottom of whole inclined wedge is resisted against lower limiting board 19 and convexedly stretches on the upper surface of 18 inside of inclined wedge mounting ring;Radial alignment inclined wedge 20 is right It is up-small and down-big circular conical surface to answer the side wall of inclined wedge mounting ring 18, and the side wall of corresponding radial support ring 15 is up big and down small circular cone Face.
An adjust pad 22 is set between support ring 17 described in the present embodiment and lower die holder 5.
Referring to Fig. 2, Fig. 3, the radial direction alignment inclined wedge 20 corresponds on the circular conical surface of radial support ring 15 in corresponding spoke work 100 outer circle gap position B of part sets a protrusion 201, and raised 201 surfaces are the circular conical surface of identical taper;The radial support ring 15 The groove 152 coordinated with the protrusion 201 on radial alignment inclined wedge 18 is set on outer wall circular conical surface.When lathe slide block down to radial school When 20 protrusion 201 and 100 outer circle gap position B of spoke workpiece of whole inclined wedge is contacted, the radial alignment inclined wedge 20 and wheel of boss are not set 100 circle end face position A of spoke workpiece synchronizes contact, it is ensured that the circle end face of spoke workpiece 100 when the 100 outer circle alignment of spoke workpiece And gap portions synchronize stress deformation, ensure the circularity size uniform of 100 outer circle of spoke workpiece.
When the utility model is implemented, lathe is opened, the ejection of the hydraulic die cushion of lathe, by movable ejector beam by retainer backing plate, Lower mold core cushion block and lower mold core, the ejection of centralized positioning pin, radial support ring lower part is circumferentially convex under the action of the second driving cylinder If step on topstick be bonded to the lower surface of support ring, machine tool hydraulic pad continues uplink, drive retainer backing plate, lower mold core cushion block and Lower mold core uplink, the lower surface and the upper surface of radial support ring of lower mold core disengage, and spoke workpiece passes through centralized positioning pin It is placed on above lower mold core, referring to Fig. 1.
When lathe slide block down drives top mold frame downlink, mold starts to mold, and upper mold binder block is in the first driving cylinder It is in ejection state that effect is lower, and lathe sliding block continues traveling downwardly, and the step of upper mold binder block is limited on upper limit plate, in lathe downlink Molding compound block touches spoke workpiece and spoke workpiece is pressed in lower mold core at first, and top mold frame continues to push down on spoke work Part, lower mold core, lower mold core cushion block, retainer backing plate downlink are simultaneously transferred to movable ejector beam compression lathe hydraulic die cushion, the platform of lower mold core Rank comes downwards to be contacted with the upper surface of radial support ring, pushes fixed second driving cylinder, radial support under radial support ring Land rank is initially separated with support ring lower surface;When top mold frame drives inclined wedge mounting ring DL synchronization by upper die holder simultaneously, eight Block radial direction alignment inclined wedge is slid under the effect of gravity to the lower limiting board being fixedly mounted under inclined wedge mounting ring, and in inclined-plane swallow It is expanded outwardly along the circular conical surface on the inside of inclined wedge mounting ring under the restriction of tail key, the internal diameter of radial alignment inclined wedge is most at this time Big value, as lathe sliding block continues traveling downwardly, upper mold binder block continue to push down on spoke workpiece and lower mold core, lower mold core cushion block, Retainer backing plate, radial support ring, ejector beam simultaneously compress lathe hydraulic die cushion and the second driving cylinder, upper die holder pushing inclined wedge mounting ring Downlink, until with plane contact in support ring and downlink is stopped, inclined wedge mounting ring continues eight pieces of radial alignment inclined wedge DL synchronizations Downlink, eight pieces of radial alignment inclined wedges can only be made radial to contract translation, wheel under circular conical surface promotion on the inside of inclined wedge mounting ring The circle end face of spoke workpiece is deformed by the radial thrust on radial alignment inclined wedge circular cone inclined-plane, is taken turns since radial support ring corresponds to The one side of the outer inner round side of spoke workpiece is up big and down small circular conical surface, so, the big path position on radial support ring top withstands on wheel Upper position on the inside of spoke excircle of workpiece;It is up big and down small circular conical surface that radial alignment inclined wedge, which corresponds to radial support ring side also, The small path position of radial alignment inclined wedge withstands on the bottom position on the outside of spoke excircle of workpiece end face, therefore, the outer circle of spoke workpiece It is supported by radial support ring outer wall top major diameter in inside upper part position, bottom position is by radial alignment inclined wedge lower part path Under thrust, the bottom end face position of spoke excircle of workpiece generates inside deformation, completes spoke excircle of workpiece radial direction alignment Deformation.Lathe slide block down is molded to mold completely (referring to Fig. 2), and spoke excircle of workpiece is by alignment to the size of product needs.
Lathe sliding block starts uplink, and upper mold binder block has unclamped the compression to spoke workpiece, and inclined wedge mounting ring follows upper mold Seat uplink, eight pieces of radial alignment inclined wedges unclamp and return to original initial position to the radial thrust and uplink of spoke excircle of workpiece. Machine tool hydraulic pad starts to eject, will wheel by movable ejector beam ejects retainer backing plate, lower mold core cushion block, lower mold core upwards Spoke workpiece ejects, and radial support ring follows lower mold core to go upward to the step sticker of radial support ring under the action of the second driving cylinder Support ring lower surface is closed, hydraulic die cushion continues uplink and pushes lower mold core uplink, the upper surface of the step and radial support ring of lower mold core It is initially separated, lower mold core drives spoke workpiece to continue uplink, and spoke excircle of workpiece end face is departing from radial support ring, spoke workpiece Whole de- materials are completed, a working cycles are completed.

Claims (3)

1. a kind of steel wheel spoke outer circle radial direction alignment mold, including:Upper and lower mould bases by guide post positioned at both sides and is led Set connection;It is characterized in that, further include,
Upper and lower die holder, loop configuration are fixedly installed in by screw on the opposite one side of the upper and lower mould bases;Positioned at lower die Four installation through-holes are uniformly opened up on the lower mold holder of seat inside;
Upper mold binder block, is set in upper die holder, the upper mold binder block outer wall top circumferential direction projection step;
First driving cylinder, cylinder body are vertically arranged in the top mold frame above the upper mold binder block, and piston rod end connects Connect molding compound block;
Upper limit plate, loop configuration are set under the upper die holder, and inner rim convexedly stretches on the inside of upper die holder;
Four movable ejector beams, are set in the installation through-hole on the lower mold holder, movable ejector beam lower end and machine tool hydraulic pad top Bar is connected;
Retainer backing plate is set on the lower mold holder on the inside of lower die holder, and against four movable ejector beams;
Lower mold core cushion block is fixed on retainer backing plate center by screw;Lower mold core cushion block upper surface center sets centralized positioning Pin;
Lower mold core is fixed on by screw on the lower mold core cushion block, outer wall top circumferential direction projection step;
Radial support ring is sheathed on lower mold core cushion block, outside lower mold core, and radial support ring upper end is radial against under lower mold core step Support ring outer wall top is up big and down small circular conical surface, radial support ring outer wall lower part circumferential direction projection step;
Second driving cylinder, cylinder body are vertically arranged on the lower mold holder below the radial support ring, and piston rod end connects It connects below the radial support ring;
Support ring is sheathed on the radial support ring outer upper, and is fixed on the lower die holder by screw;On the inside of support ring The limited step of the circumferential direction projection of wall top and the cooperation of radial support land rank;
Inclined wedge mounting ring is fixedly installed in by screw under the upper die holder, and inclined wedge mounting ring madial wall is up-small and down-big circle The conical surface is symmetrically provided with several oblique dovetail grooves on the circular conical surface;
Lower limiting board, loop configuration are set under the inclined wedge mounting ring, and inner rim convexedly stretches on the inside of inclined wedge mounting ring;
Several radial direction alignment inclined wedges, are the identical arc block of size, set on inclined wedge mounting ring and radial support interannular, annular in shape point Cloth;The side wall setting that the radial direction alignment inclined wedge corresponds to inclined wedge mounting ring is corresponding with the oblique dovetail groove in inclined wedge mounting ring Dovetail key, and be slidedly arranged in the oblique dovetail groove of inclined wedge mounting ring with this;The radial direction alignment inclined wedge bottom is resisted against lower limit Plate convexedly stretches on the upper surface on the inside of inclined wedge mounting ring;The side wall that radial alignment inclined wedge corresponds to inclined wedge mounting ring is up-small and down-big The side wall of circular conical surface, corresponding intramedullary expansion inclined wedge is up big and down small circular conical surface.
2. steel wheel spoke outer circle radial direction alignment mold according to claim 1, which is characterized in that the radial direction alignment Inclined wedge corresponds to and sets a protrusion in the position of corresponding spoke excircle of workpiece notch on the circular conical surface of radial support ring, and convex surfaces are phase With the circular conical surface of taper;The groove with the male cooperation on radial alignment inclined wedge is set on the radial support ring outer wall circular conical surface.
3. steel wheel spoke outer circle radial direction alignment mold according to claim 1, which is characterized in that the support ring with An adjust pad is set between the lower die holder.
CN201820266567.7U 2018-02-24 2018-02-24 A kind of steel wheel spoke outer circle radial direction alignment mold Active CN207839674U (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109277437A (en) * 2018-10-10 2019-01-29 中国航发哈尔滨东安发动机有限公司 Bind round circle device in a kind of thin-wall tube shaft end portion
CN112792159A (en) * 2021-04-08 2021-05-14 菲格瑞特(苏州)汽车科技有限公司 Be used for trying to make two side plastic frocks of high-strength steel beam class spare
CN115990646A (en) * 2023-03-24 2023-04-21 天津津荣天宇精密机械股份有限公司 Waist-retraction squatting machine tool with top cylinder and forming method thereof

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109277437A (en) * 2018-10-10 2019-01-29 中国航发哈尔滨东安发动机有限公司 Bind round circle device in a kind of thin-wall tube shaft end portion
CN112792159A (en) * 2021-04-08 2021-05-14 菲格瑞特(苏州)汽车科技有限公司 Be used for trying to make two side plastic frocks of high-strength steel beam class spare
CN115990646A (en) * 2023-03-24 2023-04-21 天津津荣天宇精密机械股份有限公司 Waist-retraction squatting machine tool with top cylinder and forming method thereof

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