CN205702119U - A kind of compound thinning drawing frock - Google Patents

A kind of compound thinning drawing frock Download PDF

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Publication number
CN205702119U
CN205702119U CN201620527572.XU CN201620527572U CN205702119U CN 205702119 U CN205702119 U CN 205702119U CN 201620527572 U CN201620527572 U CN 201620527572U CN 205702119 U CN205702119 U CN 205702119U
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CN
China
Prior art keywords
die
thinning
ring
returned
common
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Withdrawn - After Issue
Application number
CN201620527572.XU
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Chinese (zh)
Inventor
潘从勇
刘军
孙芽
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DONGFENG XIANGYANG SPINNING TECHNOLOGY Co Ltd
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DONGFENG XIANGYANG SPINNING TECHNOLOGY Co Ltd
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Priority to CN201620527572.XU priority Critical patent/CN205702119U/en
Application granted granted Critical
Publication of CN205702119U publication Critical patent/CN205702119U/en
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Abstract

A kind of compound thinning drawing frock, including cope match-plate pattern, lower bolster;Cope match-plate pattern is provided with the most corresponding punch, and lower bolster is provided with die block, and die block internal diameter is step-like structure, simultaneously equipped with common drawing, two grades of dies of thinning drawing, can realize a process actions and complete secondary deep-drawing;Described lower bolster is simultaneously equipped with gripper shoe, and equipped with locating ring on described die block, the two is used in combination and makes blowing process convenient and swift;Described fixing seat, built with material returned ring, utilizes its one end to pass through, and the intransitable characteristic of the other end realizes the drawing material returned;Described lower bolster is also provided with cylinder, and cylinder piston, through fixing seat, the most quickly can be released the product after completion from fixing seat indentation, there.Using this utility model, the course of processing is stable, can common drawing and thinning drawing be completed in a process actions, and fast, accurately, working performance is high, reliable in quality, it is adaptable to the requirement of production in enormous quantities for blowing, location, the material returned, feeding.

Description

A kind of compound thinning drawing frock
Technical field
This utility model belongs to stamping technology field, relates to a kind of device for being combined thinning drawing.
Background technology
At present, in automobile engine, part belt pulley uses flat-belt drive, because it works under high rotating speed environment, work There is high requirement as surface, be mainly reflected in the circularity, relative to the perpendicularity of installed surface, fineness all of working surface self Require tighter allowance control.
According to relating to use characteristic and the prescription of product (belt pulley), such as the water pump skin for certain client's engine development Belt wheel, is also to be applied to pulley drive, because it works under high rotating speed environment, in order to reduce vibration and the noise of electromotor, Its working surface there is high requirement.The demand of this product is more than 1,200,000/year, it is therefore desirable to a kind of production technology I.e. adapt to quickly produce in enormous quantities, ensure tolerance simultaneously.Product work face must use thinning drawing, conventional life Production. art is: blanking → common drawing → thinning drawing.It is exactly the most common drawing transition before thinning drawing, mainly It is to prevent material violent flow in thinning drawing process, causes and produce unstability at product circular arc or rupture.The deficiency existed is: work Making program complicated, assurance ability is poor.
Summary of the invention
Goal of the invention of the present utility model is to provide a kind of operating accuracy height, production efficiency is high, it is raw to be applicable to high-volume The compound thinning drawing frock produced.
The technical solution adopted in the utility model includes being loaded on the cope match-plate pattern of equipment slide block, being loaded on the lower mold of equipment bay Plate;Cope match-plate pattern is respectively arranged with punch corresponding to position and die with lower bolster;Described die is common drawing die and thinning Drawing die;Die block is linked up by lower bolster by fixing seat, and die block is internal simultaneously equipped with common drawing Die and thinning drawing die, be assembled into interference tight fit, can complete secondary deep-drawing at same process actions in work simultaneously, Described die block upper surface is provided with for compressing common drawing die and the pressing plate of thinning drawing die and locating ring;Location Ring internal diameter is identical with the external diameter of product (biscuit state);Have one product (biscuit state) can be made to enter in locating ring on locating ring One opening, gripper shoe is loaded on lower bolster through support column, plane and common drawing die level in gripper shoe, locating ring split ring Opening is oppositely arranged with gripper shoe;Locating ring plays product (biscuit state) positioning action;The side of locating ring also has simultaneously Breach, product (biscuit state) can slip into locating ring from indentation, there.
The inwall of described common drawing die is work surface, and the cross section of work surface is by one section of orthodrome and one section of straight line group Becoming, the gap that the internal diameter of straight line place inwall and punch external diameter are formed, more than product material thickness, makes product in the course of processing Bent to barrel-shaped by cake.
The inwall of described thinning drawing die is work surface, and the cross sectional shape of this work surface includes being positioned at one section of centre directly Line, it is symmetrically distributed in two sections of circular arcs of straight line both sides, connects two sections of oblique lines of straight line and circular arc, the institute of one section of straight line in the middle of it In the gap that inwall internal diameter and punch external diameter are formed less than product material thickness, make product the most thinning in the course of processing, with The heat produced during reduction.Circle product external after thinning, circularity, fineness and all can relative to the perpendicularity of installed surface Reach the highest level.
Described die block internal diameter is step-like structure, upper and lower is respectively provided with common drawing die and thinning drawing is recessed Mould;By pressing plate and locating ring, two grades of dies are all pressed on die block.Pressing plate also acts as drawing holding pad simultaneously Effect, prevents product wrinkling in drawing process.Positioning action when locating ring plays product biscuit state.
Locating ring described in the utility model and common drawing die are interference fits.
Interference fits is used between described die block and fixing seat.Die block is in addition to positioning function, also Play protection die and offset the effect of expansive force.
This utility model also includes a discharging device;Described discharging device includes the material returned hole on cylinder, fixing seat, moves back Material ring;Being provided with cylinder on equipment bay, cylinder is fixed on equipment bay by connection seat;The piston rod of cylinder is through fixing Seat material returned hole, fixing seat opposite side is jagged, and the width of breach is more than product external diameter;Described fixing seat is equipped with material returned ring, the material returned Ring is positioned at thinning drawing die lower end.
Described material returned ring is made up of three sections of annulus, and by spring straining, not having during external force is closure state, and during Guan Bi, internal diameter is slightly More than punch external diameter, but it is slightly less than the external diameter of product (after thinning drawing).Material returned ring cross section inner top side with orthodrome chamfering, The other end is, is right angle.After described material returned ring Guan Bi, right angle internal diameter is slightly larger than punch external diameter.Product is from material returned ring arc end Out-of-date, the circular arc chamfering that can oppress material returned ring makes material returned central shoring open, and makes product pass through, completely by rear material returned ring at spring tension Lower Guan Bi automatically;Product returned when material returned ring right angle end passes through, and the size of material returned ring internal diameter only allows punch to pass through, but product It is stuck, thus realizes the material returned from punch.
Compared with prior art, this utility model uses the compound thinning setup for drawing parts of one, reduces time processing operation, raw Production. art is changed to: blanking → compound thinning drawing.While improving working performance, also improve crudy level.This reality It is particularly well-suited to prescription height thus it requires Reducing thickness is relatively big, the production that mass simultaneous is bigger with novel.Utilize thinning drawing Strong extruding make the effect that the whole work surface of belt pulley reaches minute surface, the circularity of self, linearity are all in almost preferably shape State.Being compounded with common drawing simultaneously, make secondary deep-drawing disposably complete, production efficiency is high, and secondary deep-drawing uses same location, enters One step improves Product Precision.This utility model course of processing is stable, by common drawing and thinning drawing in a process actions Completing, fast, accurately, working performance is high, reliable in quality, it is adaptable to the requirement of production in enormous quantities for blowing, location, the material returned, feeding.
Accompanying drawing explanation
Fig. 1 is the process chart of the thinning drawing of prior art.
Fig. 2 is the process chart using compound thinning drawing frock of the present utility model.
Fig. 3 is structure chart of the present utility model.
Fig. 4 is the front view of locating ring in this utility model.
Fig. 5 is the top view of locating ring in this utility model.
Fig. 6 is the front view of material returned ring in this utility model.
Fig. 7 is the top view of material returned ring in this utility model.
Fig. 8 is the front view fixing seat in this utility model.
Fig. 9 is the top view fixing seat in this utility model.
Figure 10 is thinning drawing cavity die structure figure of the present utility model.
In figure, 1, equipment slide block, 2, equipment bay, 3, cope match-plate pattern, 4, lower bolster, 5, upper padding plate, 6, punch, 7, underlay Plate, 8, fixing seat, 9, die block, 10, common drawing die, 11, thinning drawing die, 12, pressing plate, 13, locating ring, 14, material returned ring, 15, spring, 16, gripper shoe, 17, support column, 18, cylinder, 19, connection seat, 20, piston rod, 21, product, 22, The orthodrome chamfering of locating ring 14,23, the right angle of locating ring 14,24, the material returned hole of fixing seat 8,25, the breach of fixing seat 8.
Detailed description of the invention
Fig. 1 is the technological process of the thinning drawing of prior art, utilizes common drawing to be become by biscuit product (biscuit state) Drum-shaped, then utilizes thinning drawing to be extruded by force in the drawing face of common drawing, and drawing face is the most thinning, thus presents minute surface Effect, thus reach the prescription of product.
In Fig. 2, use this utility model is combined the technological process of the compound drawing of thinning drawing frock, product (biscuit shape State) directly use compound thinning drawing, reduce one procedure, raising efficiency.Simultaneously as twice drawing uses one-time positioning, carry High positioning precision, improves product quality.
In Fig. 3, equipment slide block 1 is equipped with cope match-plate pattern 3, and cope match-plate pattern 3 is equipped with upper padding plate 5, equipped with punch 6 on upper padding plate 5, they Before by bolt-connection, slide eventually through equipment slide block 1 and drive the upper and lower activity of punch 6.Upper padding plate 5, punch 6 join each other Connecing and be finally fixed on equipment slide block 1, the main effect of upper cushion block 5 is solid punch 6, and equipment slide block about 1 runs, and drives Punch 6 descending finishing drawing action, then goes up and returns.
Equipped with lower bolster 7 on lower bolster 4, equipped with fixing seat 8 on lower bolster 7, equipped with die block 9 on fixing seat 8, it Pass through bolt-connection;Simultaneously equipped with common drawing die 10 and thinning drawing die 11 in die block 9;Die block 9 have coupled pressing plate 12 and locating ring 13 simultaneously, are pressed on recessed by bolt by common drawing die 10 and thinning drawing die 11 In mould fixed plate 9;Being also equipped with material returned ring 14 in fixing seat 8, material returned ring 14 is made up of three sections of annulus, middle employing spring straining, Not having during external force is closure state, can stretch under external force.During Guan Bi, internal diameter is slightly larger than punch (6) external diameter, but is slightly less than product The external diameter of product (21) (after thinning drawing).It is also equipped with gripper shoe 16 on lower bolster 4, four support columns 17 supports, use bolt It is connected in lower bolster 4.Gripper shoe 17 and common drawing die 10 and locating ring 13 keep level.During work, complete at pressing plate 12 In the case of blocking feeding space, gripper shoe can make product 21(biscuit state) it is slid horizontally into locating ring 13, blowing during work Process more convenient and quicker, accurately;Improve operation working performance.Pressing plate 12 primarily serves the effect of drawing holding pad, prevents product In drawing process wrinkling;Locating ring 13 plays product 21(biscuit state) positioning action;The side of locating ring also has scarce simultaneously Mouthful, product 21(biscuit state) locating ring 13 can be slipped into from indentation, there.
Lower bolster 7, fixing seat 8 are coupled to each other, and are finally fixed on equipment bay 2.Die block 9 and fixing seat 8 Employing interference fits is assembled, and uses bolt-connection.Common drawing die 10 and thinning drawing die 11 are fixed with die respectively Plate 9 uses interference tight fit to assemble, and common drawing die 10 and thinning drawing die 11 is pressed on die block 9.
Equipment bay is also equipped with a cylinder 18, and cylinder 18 is fixed on equipment bay 2 by connection seat 19.Use bolt Being connected in equipment bay, the piston rod 20 of cylinder 18 is through the material returned hole of fixing seat 8, and piston rod is back and forth transported under piston driving Dynamic, product 21 can be released (if using artificial feeding from narrow and small fixing seat 8, effect from fixing seat 8 opposite side indentation, there Rate will be substantially reduced).
Described punch, molding surface have carried out TD cure process.Described convex mould surface has TD hardened layer;Described molding surface There is TD hardened layer.
This utility model is in addition to upper and lower template, and other parts are all the revolving mebers determining size according to product specification.
In Fig. 4, Fig. 5, locating ring 13 side is jagged, product 21(biscuit state during blowing) along gripper shoe and common drawing Die slips into, and enters locating ring 13 by breach and pastes dead, it is achieved being accurately positioned.
In Fig. 6, Fig. 7, material returned ring 14 is made up of three sections of annulus, and middle employing spring 15 is strained, and not having during external force is Guan Bi State, during Guan Bi, its internal diameter is slightly larger than punch 6 external diameter, but less than after the thinning drawing of product 21() external diameter.On material returned ring 14 internal diameter End is with orthodrome chamfering 22, and the other end is, is right angle 23.Work process convex mould 6 is respectively completed downwards common drawing, subtracts After thin drawing the most descending, drive after the thinning drawing of product 21() circular arc chamfering 23 of compressing material returned ring 14, by compressing circular arc Chamfering 23 makes material returned ring 14 strut, and makes product 21 pass through, and is automatically closed under spring 15 pulling force by rear material returned ring 14;Complete work After work, punch 6 backhaul is up, and material returned ring 14 closes, and the size of its right angle 23 internal diameter only allows punch 6 to pass through, but product 21 It is stuck, thus realizes from punch 6 material returned.
In Fig. 8, Fig. 9, there is material returned hole 24 fixing seat 8 side, and piston rod 20 can be allowed to pass, opposite side jagged 25, breach The width of 25 is more than product external diameter.When equipment slide block 1 returns to top dead-centre, cylinder drives piston rod 20 to promote product 21(to complete to add Work), automatically it is pushed out fixing seat 8 by breach 25, improves working performance.
In Figure 10, described thinning drawing die 11 inwall is work surface, and the cross sectional shape of this work surface includes being positioned at centre One section of straight line, be symmetrically distributed in two sections of circular arcs of straight line both sides, connect two sections of oblique lines of straight line and circular arc, in the course of processing Make blank the most thinning, with the heat produced during reducing.
Job order: work starts front equipment slide block 1 at top dead-centre, whole device upper and lower part is kept completely separate → → first First product (21) (biscuit state) is placed on gripper shoe (16) upper → → by product (21) (biscuit state) from locating ring (13) Indentation, there pushes common drawing die (10) top, until cylindrical and locating ring (13) laminating → → starting device, equipment slide block (1) drive punch (6) descending → → punch (6) compress product (21) (biscuit state) descending by common drawing die (10), Become barrel-shaped → → product (21) (after common drawing) by cake to continue traveling downwardly by thinning drawing die 11, complete work surface Thinning drawing → → product (21) (after thinning drawing) continues traveling downwardly, and oppresses the orthodrome chamfering (22) of locating ring (14), will Locating ring (14) struts, and by locating ring (14).By rear, locating ring (14) re-closes under spring (15) tightening force → → punch (6) drives product (21) (after thinning drawing) to continue traveling downwardly, and is adjacent to product (21) (after thinning drawing) at underlay Plate (7), equipment time delay pressurize, product 21 bottom surface is flattened → after → time delay pressurize terminates, equipment slide block (1) drives punch (6) backhaul rises, after now punch (6) and product 21(machine) diametric(al) fits the most completely, the biggest laminating Power, product (21) (after machining) is in company with the right angle end of rising → → product (21) upcoming contact locating ring (14), punch (6) Continuing up passing through, product (21) is stuck the material returned from punch (6), fall lower bolster (7) upper → → punch (6) continues up Returning to starting point, cylinder (18) starts automatically, and piston rod (20) stretches out, and the material returned hole (24) through fixing seat (8) promotes product (21) in the upper slip of lower bolster (7), return from the breach (25) release → → piston rod (20) of fixing seat (8) opposite side, whole Device returns to process front state → next cycle of operation of → unlatching.

Claims (7)

1. a compound thinning drawing frock, it is characterised in that: include being loaded on the cope match-plate pattern (3) of equipment slide block (1), being loaded on equipment The lower bolster (4) of base plate (2);Cope match-plate pattern is respectively arranged with punch corresponding to position (6) and die with lower bolster;Described die is Common drawing die (10) and thinning drawing die (11);Die block (9) is coupled by lower bolster (4) by fixing seat (8) Getting up, die block (9) is internal simultaneously equipped with common drawing die (10) and thinning drawing die (11), is assembled into interference tight Coordinate;Described die block (9) upper surface is provided with for compressing common drawing die (10) and thinning drawing die (10) Pressing plate (12) and locating ring (13);Locating ring (13) internal diameter is identical with the external diameter of the product of biscuit state (21);Locating ring (13) On have an opening, gripper shoe (16) is loaded on lower bolster (4) through support column (17), the upper plane of gripper shoe (16) and common drawing die (10) level, the opening of locating ring (13) split ring is oppositely arranged with gripper shoe (16).
Compound thinning drawing frock the most according to claim 1, it is characterised in that: described common drawing die (10) inwall For work surface, the cross section of work surface is by one section of orthodrome and one section of rectilinear(-al), and the internal diameter of straight line place inwall and punch (6) are outward The gap that footpath is formed is more than product material thickness.
Compound thinning drawing frock the most according to claim 1, it is characterised in that: described thinning drawing die (11) interior Wall is work surface, and the cross sectional shape of this work surface includes being positioned at one section of straight line of centre, being symmetrically distributed in two sections of straight line both sides Circular arc, connection straight line and two sections of oblique lines of circular arc, the place inwall internal diameter of one section of straight line in the middle of it and punch (6) external diameter are formed Gap less than product material thickness.
Compound thinning drawing frock the most according to claim 1, it is characterised in that: described die block (9) internal diameter in Step-like structure, upper and lower is respectively provided with common drawing die (10) and thinning drawing die (11);By pressing plate (12) and location Two grades of dies are all pressed on die block (9) by ring (13).
Compound thinning drawing frock the most according to claim 1, it is characterised in that: also include a discharging device;Described Discharging device includes the material returned hole (24) on cylinder (18), fixing seat (8), material returned ring (14);Equipment bay is provided with gas on (2) Cylinder (18), cylinder (18) is fixed on equipment bay (2) by connection seat (19);The piston rod (20) of cylinder (18) is through fixing Seat (8) material returned hole (24), fixing seat (8) opposite side jagged (25), the width of breach (25) is more than product external diameter;Described fixing Seat (8) is equipped with material returned ring (14), and material returned ring (14) is positioned at thinning drawing die (11) lower end.
Compound thinning drawing frock the most according to claim 5, it is characterised in that: described material returned ring (14) is by three sections of annulus Composition, is strained by spring (15);Material returned ring (14) cross section inner top side is with orthodrome chamfering (22), and the other end is, is right angle (23).
Compound thinning drawing frock the most according to claim 6, it is characterised in that: right angle after described material returned ring (14) Guan Bi (23) place's internal diameter is slightly larger than punch (6) external diameter.
CN201620527572.XU 2016-06-02 2016-06-02 A kind of compound thinning drawing frock Withdrawn - After Issue CN205702119U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201620527572.XU CN205702119U (en) 2016-06-02 2016-06-02 A kind of compound thinning drawing frock

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201620527572.XU CN205702119U (en) 2016-06-02 2016-06-02 A kind of compound thinning drawing frock

Publications (1)

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CN205702119U true CN205702119U (en) 2016-11-23

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CN201620527572.XU Withdrawn - After Issue CN205702119U (en) 2016-06-02 2016-06-02 A kind of compound thinning drawing frock

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106270188A (en) * 2016-06-02 2017-01-04 东风襄阳旋压技术有限公司 A kind of compound thinning drawing frock

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106270188A (en) * 2016-06-02 2017-01-04 东风襄阳旋压技术有限公司 A kind of compound thinning drawing frock
CN106270188B (en) * 2016-06-02 2018-03-27 东风襄阳旋压技术有限公司 A kind of compound thinned drawing frock

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AV01 Patent right actively abandoned
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Granted publication date: 20161123

Effective date of abandoning: 20180327