CN107052114B - A kind of device for leaf spring processing - Google Patents
A kind of device for leaf spring processing Download PDFInfo
- Publication number
- CN107052114B CN107052114B CN201611026712.6A CN201611026712A CN107052114B CN 107052114 B CN107052114 B CN 107052114B CN 201611026712 A CN201611026712 A CN 201611026712A CN 107052114 B CN107052114 B CN 107052114B
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- CN
- China
- Prior art keywords
- leaf spring
- workbench
- rake
- pilot hole
- guide rod
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D11/00—Bending not restricted to forms of material mentioned in only one of groups B21D5/00, B21D7/00, B21D9/00; Bending not provided for in groups B21D5/00 - B21D9/00; Twisting
- B21D11/10—Bending specially adapted to produce specific articles, e.g. leaf springs
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D53/00—Making other particular articles
- B21D53/88—Making other particular articles other parts for vehicles, e.g. cowlings, mudguards
- B21D53/886—Making other particular articles other parts for vehicles, e.g. cowlings, mudguards leaf springs
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Springs (AREA)
Abstract
The present invention relates to leaf spring processing technique field more particularly to a kind of devices for leaf spring processing.Compared with prior art, in the present solution, bench-top is equipped with arc groove, the center of arc groove is additionally provided with pilot hole, and the both sides of workbench are additionally provided with limiting plate, and limiting plate includes rake and vertical portion, and the distance between two pieces of limiting plates constantly reduce；Each rake is equipped with two rows of idler wheels close to the side of workbench, and two rows of idler wheels correspond, and the distance between corresponding two idler wheels are all identical；Extrusion is additionally provided with above workbench, arc convex is formed on the bottom of extrusion, and center is also fixedly connected with guide rod, and guide rod is vertically arranged, and the lower end of guide rod is located in pilot hole, and guide rod is slidably connected with pilot hole.The present invention can solve the problem of that the low leaf spring of prior art processing efficiency is easily deformed.
Description
Technical field
The present invention relates to leaf spring processing technique field more particularly to a kind of devices for leaf spring processing.
Background technology
Leaf spring, also known as spring flat steel are most widely used a kind of elastic elements in automotive suspension, it is by several
The spring beam that piece is wide but the alloy spring piece of Length discrepancy is composed.Leaf spring processing need by melting, sizing,
Grasswort, assembly, leaf spring after sizing has certain radian.
Prior art generally use Spring Eye Machine carries out grasswort, and existing Spring Eye Machine includes positioning region and grasswort stick, and positioning region is
The groove of strip, bottom portion of groove are a flat surface, and the bolt to raise up is equipped in groove, and grasswort stick is located at positioning region
One end.When carrying out grasswort, the first step preheats the end of leaf spring, and the steel plate after heating has better ductility,
So that grasswort is more prone to；Leaf spring is placed in the groove of positioning region by second step, and the bolt in groove passes through steel plate bullet
The location hole at spring center, is fixed leaf spring；Third step, which is then processed it by grasswort stick, completes leaf spring
The grasswort of one end；Abovementioned steps are finally repeated, grasswort work is carried out to the other end of leaf spring.
It should be noted that the prior art has the following problems：1. since the prior art is usually first to the one of leaf spring
End carries out grasswort, then carries out grasswort to the other end, so, the grasswort efficiency of leaf spring is in a lower level always；
2. leaf spring is fixed in the mode that Spring Eye Machine is connected by screw bolts, the centre of leaf spring can only be allowed to fix,
However during grasswort, since grasswort stick applies an active force for a long time to one end of leaf spring, and leaf spring
Only intermediate fixed part will not move, so, the radian of leaf spring can change during grasswort,
Allow per a piece of leaf spring cannot be close during assembly fitting, will produce certain gap, it is therefore desirable to be directed to steel
The crooked radian of flat spring is processed again, reduces the production efficiency of leaf spring.
Invention content
It is low for solving prior art processing efficiency the invention is intended to provide a kind of device for leaf spring processing,
The problem of leaf spring is easily deformed.
To achieve the goals above, the present invention provides a kind of device for leaf spring processing, including pedestal, further includes
Electric rotating machine, workbench and two pieces of limiting plates, bench-top are equipped with arc groove, and the radian of arc groove is 1-2rad, arc groove
On be additionally provided with pilot hole positioned at vertical direction, two pieces of limiting plates about pilot hole center line axisymmetricly, limiting plate includes
The rake on top and the vertical portion of lower part, and rake is located at the top of workbench, two rakes are in " eight " font row
Row；Each rake is equipped with multipair idler wheel close to the side of workbench, the inner side end of the idler wheel on each rake
It is located in two parallel perpendiculars, idler wheel is connected with electric rotating machine；It is additionally provided with extrusion above workbench, squeezes
The bottom of part is downwardly protrude to form arc convex, and arc convex is identical as the radian of arc groove, is also fixedly connected on arc convex
There is the guide rod positioned at vertical direction, guide rod lower part is located in pilot hole, and is slidably matched with pilot hole.
The technical principle of the technical program is：The technical program provides a kind of device for leaf spring processing, packet
Pedestal is included, cylindrical workbench is fixedly connected on pedestal.The top of workbench is equipped with arc groove, the radian and steel plate of arc groove
The radian of spring is identical, is 1-2rad, and the both ends of arc groove are in the same horizontal line so that completes the steel plate bullet of grasswort
When spring is dropped on workbench, it can match with the shape of arc groove, the part that leaf spring is contacted with arc groove is everywhere
By the support force of same size, so as to avoid the change of leaf spring shape, ensure the every a piece of steel plate for completing grasswort
Spring can be close fitting, reduce processing again to leaf spring.It is additionally provided with guiding in the center position of arc groove
Hole, pilot hole extend vertically downwards inside workbench, the guide rod that leaf spring will be mentioned in pilot hole and below
Under the action of, it can remain and move in the vertical direction, to avoid caused by the leaf spring direction of motion changes
Grasswort is not carefully and neatly done.
The both sides of workbench are additionally provided with limiting plate opposite with arc groove both ends respectively, and two pieces of limiting plates are about pilot hole
Center line axisymmetricly and is fixedly connected on pedestal.Limiting plate includes rake and vertical portion, the bottom end of rake with it is perpendicular
The top connection in straight portion, and the bottom end of rake is higher than the top of workbench, and the distance between two rakes are from top to bottom
Constantly reduce, wherein rake can give the end of leaf spring to provide support force, avoid because leaf spring is long during grasswort
Degree become smaller and from being fallen between limiting plate, to ensure that leaf spring is completely processed.Each rake is close to work
The side of platform is equipped with multipair idler wheel, is made of two identical idler wheels per a pair of idler wheel, the center of two idler wheels is in same water
Distance on horizontal line, and between the two is 80-100mm.The inner side end of idler wheel on each rake is located at two
In a parallel perpendicular so that the end of the leaf spring vertically moved can be just between every a pair of of idler wheel
Pass through.The inner side end of the idler wheel refers to the end face of another idler wheel of face.Leaf spring its both ends during processing
It constantly moves down along rake, and constantly passes through between corresponding two idler wheels.When leaf spring moves to two idler wheels
Between when, the inner side end of the both sides of leaf spring respectively with two idler wheels offsets, since idler wheel is under the action of electric rotating machine
It is rotated towards the direction of pilot hole, so two idler wheels give spring end both sides to apply a rotary force in the same direction, steel respectively
The end of flat spring gradually bends under the action of rotary force, therefore, can after leaf spring is by all idler wheels
Complete the work of grasswort.
It is additionally provided with extrusion above workbench, constantly applies a downward pressure to leaf spring to be processed,
Enable leaf spring along rake slide downward.The bottom of extrusion is downwardly protrude to form arc convex, the arc convex
Radian it is identical as the radian of arc groove, and the both ends of arc convex are in the same horizontal line, allow arc convex can be with steel
Flat spring is bonded completely, is processed again to avoid caused by the two cannot be bonded completely leaf spring from deforming upon needs
The case where.The center of arc convex is also fixedly connected with guide rod, and guide rod is vertically arranged, and guide rod be able to pass through steel
The through-hole at flat spring center, and its cross-sectional shape is identical as the pass of pilot hole.When work, the lower end of guide rod, which is located at, leads
Xiang Kongzhong, to allow guide rod and the leaf spring that is connected with guide rod to be moved down along the vertical direction where pilot hole,
To avoid the grasswort caused by the leaf spring direction of motion changes not carefully and neatly done.
The effect of the technical program is：1. two pieces of guide plates with identical idler wheel, and both sides are arranged in the technical program
Idler wheel rotate in opposite directions, allow the device that can carry out grasswort work to the both ends of leaf spring simultaneously, to improve the speed of grasswort
Degree, improves the processing efficiency of leaf spring to a certain extent；2. the extrusion in the technical program has and leaf spring
The identical arc protrusion of radian so that leaf spring is bonded with arc protrusion always during extruding, to ensure spring
The radian of steel plate will not change, in addition, be additionally provided with the workbench with arc groove, due to arc groove radian also with steel plate
Spring is identical, so when leaf spring drops on workbench, can match with the shape of arc groove, avoid leaf spring
Due to being deformed with respect to effect for extrusion and workbench so that do not have to be processed again before leaf spring assembly, further
Improve the processing efficiency of leaf spring.
It is the preferred embodiment of said program below：
Preferred embodiment one：Further include returning spring, the bottom of one end of returning spring and the workbench based on base case
Portion is fixedly connected, and the other end is fixedly connected with pedestal；It is equipped with inclined sliding slot on described two vertical portions, and is set in sliding slot
There is material discharging rod.After leaf spring is moved on workbench, extrusion continues to move downward so that leaf spring and workbench one
It rises and moves down.When leaf spring moves at sliding slot, two material discharging rods are each passed through the grasswort at leaf spring both ends, later
Extrusion is unclamped, leaf spring can skid off the device along material discharging rod, to complete discharging work so that leaf spring
It discharges simpler.In addition, after leaf spring skids off, workbench can be moved upwards up to initial bit under the action of returning spring
It sets, starts work next time.
Preferred embodiment two：Based on preferred embodiment one, the idler wheel on each described rake has three pairs, is located on rake
Difference in height between adjacent two pairs of idler wheels in portion is less than the difference in height between adjacent two pairs of idler wheels of lower part.Pass through setting three
A idler wheel can complete grasswort work.With the progress of grasswort, spring end is increasing in the height of vertical direction,
So the difference in height between two neighboring idler wheel is allowed to be sequentially increased, one group of pair of rollers steel plate under the influence of one group of idler wheel can be avoided
The processing of spring, to improve processing quality.
Preferred embodiment three：Based on preferred embodiment two, the both sides of the arc convex are equipped with positioning plate, two pieces of positioning plates it
Between distance be equal to leaf spring width.Positioning plate can limit leaf spring, avoid rotating because of extrusion
Cause leaf spring that cannot be bonded closely with arc protrusion so that leaf spring deforms upon, and reduces product quality.
Preferred embodiment four：Based on preferred embodiment three, the pilot hole is square hole, and the guide rod includes the circle on top
The square department in portion and lower part, and rounded portions are detachably connected with square department.The pass of pilot hole is set as rectangle, then guide rod
Lower cross section also be rectangle, so as to avoid guide rod from being rotated in pilot hole, and then extrusion is avoided to revolve
Turn that leaf spring is caused to deform upon, reduces product quality.In addition, since the through-hole among leaf spring is round hole, so
Guide rod is set as dismountable rounded portions and square department, allows guide rod that can split into two parts, wherein rounded portions are for wearing
The through-hole of leaf spring is crossed to connect pressure ram and leaf spring, and square department is then used to be oriented to process.
Preferred embodiment five：Based on any one in base case or preferred embodiment one to four, the rake is in arc
Shape, bottom end are tangent with vertical portion so that rake can be seamlessly transitted with vertical portion, avoided the junction of the two from being formed and turned
Angle.If junction is turning, when leaf spring passes through turning, due to contact area very little between the two so that leaf spring
The pressure for receiving turning application is very big, is damaged to be easy to cause leaf spring, improves the generation of substandard products.When junction is flat
It slips over when crossing, the contact area of leaf spring and junction is relatively large, to reduce the pressure that leaf spring receives, avoids
It is damaged.
Description of the drawings
Fig. 1 is the structural schematic diagram of the embodiment of the present invention；
Fig. 2 is the structural schematic diagram of guide plate in the embodiment of the present invention.
Specific implementation mode
Below by specific implementation mode, the present invention is described in further detail：
Reference numeral in Figure of description includes：Pedestal 1, arc groove 3, pilot hole 4, limiting plate 5, tilts workbench 2
Portion 51, idler wheel 6, extrusion 7, arc convex 8, guide rod 9, rounded portions 91, square department 92, returning spring 10, is slided vertical portion 52
Slot 11, material discharging rod 12, positioning plate 13.
The present embodiment is as depicted in figs. 1 and 2, including pedestal 1, and cylindrical workbench 2 passes through returning spring 10 and pedestal 1
It is connected, one end of returning spring 10 is fixedly connected with pedestal 1, and the other end is fixedly connected with the bottom of workbench 2.Workbench 2
Top is equipped with arc groove 3, and the radian of arc groove 3 is 2rad, is also the leaf spring of 2rad for processing radian, width is bigger
In the width of leaf spring, and the both ends of arc groove 3 are in the same horizontal line.It is equipped with and leads in the center position of arc groove 3
To hole 4, the cross section of pilot hole 4 is rectangle, and pilot hole 4 vertically extends.
Two pieces of limiting plates 5 are also fixedly connected on pedestal 1, it is opposite with the both ends of arc groove 3 respectively, and about pilot hole
4 center line is axisymmetricly.Limiting plate 5 includes rake 51 and vertical portion 52, and rake 51 is arc-shaped, the bottom end of rake 51
Be fixedly connected with the top of vertical portion 52, and the tangential of the bottom of rake 51 and vertical portion 52, two rakes 51 it
Between distance constantly reduce from top to bottom.The rake 51 of each piece of limiting plate 5 is equipped with three pairs of idler wheels close to the side of workbench 2
6, and its inner side end is located in two parallel perpendiculars, and the difference in height adjacent two betweens of idler wheels 6 is sequentially increased.
Idler wheel 6 is connect by belt with electric rotating machine.It is made of two identical idler wheels 6 per a pair of idler wheel 6, the center of two idler wheels exists
Distance in same horizontal line, and between the two is 100mm, is equal to the width of leaf spring.It is all provided on two vertical portions 52
There is inclined sliding slot 11, and material discharging rod 12 is equipped with along sliding slot 11.
It is additionally provided with extrusion 7 in the top of workbench 2, the bottom of extrusion 7 is equipped with downwardly projecting arc convex 8.It should
The radian of arc convex 8 is also 2rad, and the both ends of arc convex 8 are in the same horizontal line.The both sides of arc convex 8 are all provided with
There are positioning plate 13, the distance between two pieces of positioning plates 13 to be equal to the width of leaf spring.The center of arc convex 8 is fixedly connected with
Guide rod 9, guide rod 9 are vertically arranged.Guide rod 9 divides for rounded portions 91 and square department 92, and rounded portions 91 are in square department
92 top is fixedly connected with arc convex 8, and one end and one end of square department 92 far from arc convex 8 are detachable by bolt
Connection, and the cross section of square department 92 is identical as the pass of pilot hole 4, can be slided up and down in pilot hole 4 just.
When carrying out grasswort to leaf spring using the present embodiment, the both ends of leaf spring are first individually positioned in two pieces of limits
On plate 5.Then the rounded portions 91 of guide rod 9 are allowed to pass through the through-hole of leaf apring center, and it is convex to allow leaf spring to be located at arc
Rise 8 on two pieces of positioning plates 13 between.Later, rounded portions 91 and square department 92 are connected, and square department 92 is put into pilot hole 4
In.Electric rotating machine is opened again, and all idler wheels 6 is allowed to be rotated towards the direction of pilot hole 4.Extrusion 7 is moved down, allows leaf spring
Both ends passed through between idler wheel 6.When leaf spring is between idler wheel 6, two idler wheels 6 give spring end respectively
Both sides apply a rotary force in the same direction, and the end of leaf spring gradually bends under the action of rotary force, to complete
Grasswort works.After completing grasswort, the continuation of extrusion 7 is moved down with leaf spring, until leaf spring is moved to arc groove 3
In.Under the action of extrusion 7, leaf spring moves down simultaneously with workbench 2, when leaf spring moves at sliding slot 11
When, two material discharging rods 12 are each passed through the grasswort at leaf spring both ends, unclamp extrusion 7 later, and leaf spring can be along
Material discharging rod 12 skids off the device, to complete discharging work.Later, workbench 2 moves up under the action of returning spring 10
To initial position, start work next time.
Above-described is only the embodiment of the present invention, and the common sense such as well known concrete structure and/or characteristic are herein in scheme
It does not describe excessively.It should be pointed out that for those skilled in the art, without departing from the structure of the invention, also
Several modifications and improvements can be made, these should also be considered as protection scope of the present invention, these all do not interfere with of the invention real
The effect and patent practicability applied.The scope of protection required by this application should be based on the content of the claims, specification
In the records such as specific implementation mode can be used for explaining the content of claim.
Claims (6)
1. a kind of device for leaf spring processing, including pedestal, it is characterised in that：Further include electric rotating machine, workbench and
Two pieces of limiting plates, bench-top are equipped with arc groove, and the radian of arc groove is 1-2rad, is additionally provided on arc groove positioned at vertical side
To pilot hole, two pieces of limiting plates about pilot hole center line axisymmetricly, limiting plate includes rake and the lower part on top
Vertical portion, and rake is located at the top of workbench, and two rakes are in falling the arrangement of " eight " font；Each rake is close
The side of workbench is equipped with multipair idler wheel, the inner side end of the idler wheel on each rake be located at two it is parallel perpendicular
In straight plane, idler wheel is connected with electric rotating machine；Extrusion is additionally provided with above workbench, the bottom of extrusion is downwardly protrude to form
Arc convex, arc convex is identical as the radian of arc groove, and the guiding positioned at vertical direction is also fixedly connected on arc convex
Bar, guide rod lower part are located in pilot hole, and are slidably matched with pilot hole.
2. a kind of device for leaf spring processing according to claim 1, it is characterised in that：Further include replying bullet
Spring, one end of returning spring are fixedly connected with the bottom of the workbench, and the other end is fixedly connected with pedestal；It is described two vertical
It is equipped with inclined sliding slot in portion, and is equipped with material discharging rod in sliding slot.
3. a kind of device for leaf spring processing according to claim 2, it is characterised in that：Each described inclination
Idler wheel in portion has three pairs, is located at the difference in height between adjacent two pairs of idler wheels on rake top and is less than adjacent two positioned at lower part
Difference in height between idler wheel.
4. a kind of device for leaf spring processing according to claim 3, it is characterised in that：The arc convex
Both sides are equipped with positioning plate.
5. a kind of device for leaf spring processing according to claim 4, it is characterised in that：The pilot hole is side
Shape hole, the guide rod includes the rounded portions on top and the square department of lower part, and rounded portions are detachably connected with square department.
6. a kind of device for leaf spring processing according to any one of claims 1 to 5, it is characterised in that：It is described
Rake is arc-shaped, and bottom end is tangent with vertical portion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611026712.6A CN107052114B (en) | 2016-11-22 | 2016-11-22 | A kind of device for leaf spring processing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611026712.6A CN107052114B (en) | 2016-11-22 | 2016-11-22 | A kind of device for leaf spring processing |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107052114A CN107052114A (en) | 2017-08-18 |
| CN107052114B true CN107052114B (en) | 2018-10-26 |
Family
ID=59618526
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611026712.6A Active CN107052114B (en) | 2016-11-22 | 2016-11-22 | A kind of device for leaf spring processing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107052114B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1331630A (en) * | 1919-06-18 | 1920-02-24 | Lewis F Elkins | Die for spring-forming machines |
| GB159392A (en) * | 1920-01-13 | 1921-03-03 | Thomas Henry Sanders | An improved apparatus and method for the manufacture of laminated springs |
| CN2111802U (en) * | 1992-01-11 | 1992-08-05 | 徐才建 | Rolling double-rod variable section plate spring means |
| CN1243772A (en) * | 1998-08-04 | 2000-02-09 | 陶捷 | Technology for shaping leaf springs of car and its special mould |
| CN2526098Y (en) * | 2001-12-21 | 2002-12-18 | 高弗实业股份有限公司 | Oil Hydraulic rib bender |
| CN101561023A (en) * | 2009-05-26 | 2009-10-21 | 青岛帅潮实业有限公司 | Non-cutting variable cross-section steel plate spring and end forming manufacturing technology and device thereof |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH1190576A (en) * | 1997-09-17 | 1999-04-06 | Unipres Corp | Manufacture of link and link |
-
2016
- 2016-11-22 CN CN201611026712.6A patent/CN107052114B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1331630A (en) * | 1919-06-18 | 1920-02-24 | Lewis F Elkins | Die for spring-forming machines |
| GB159392A (en) * | 1920-01-13 | 1921-03-03 | Thomas Henry Sanders | An improved apparatus and method for the manufacture of laminated springs |
| CN2111802U (en) * | 1992-01-11 | 1992-08-05 | 徐才建 | Rolling double-rod variable section plate spring means |
| CN1243772A (en) * | 1998-08-04 | 2000-02-09 | 陶捷 | Technology for shaping leaf springs of car and its special mould |
| CN2526098Y (en) * | 2001-12-21 | 2002-12-18 | 高弗实业股份有限公司 | Oil Hydraulic rib bender |
| CN101561023A (en) * | 2009-05-26 | 2009-10-21 | 青岛帅潮实业有限公司 | Non-cutting variable cross-section steel plate spring and end forming manufacturing technology and device thereof |
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| Publication number | Publication date |
|---|---|
| CN107052114A (en) | 2017-08-18 |
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