CN109909374A - A kind of apparatus for continuous formation and continuous forming process for processing micromotor shell - Google Patents
A kind of apparatus for continuous formation and continuous forming process for processing micromotor shell Download PDFInfo
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- 238000005096 rolling process Methods 0.000 claims abstract description 114
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- 238000004519 manufacturing process Methods 0.000 claims abstract description 19
- 238000000465 moulding Methods 0.000 claims abstract description 18
- 238000007493 shaping process Methods 0.000 claims description 23
- 238000007667 floating Methods 0.000 claims description 22
- 238000003825 pressing Methods 0.000 claims description 19
- 238000003801 milling Methods 0.000 claims description 6
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Abstract
The present invention provides a kind of apparatus for continuous formation and continuous forming process for processing micromotor shell, edge rolling, core pulling and the riveting technology of traditional handicraft are incorporated in one, the one-pass molding in same mold of each work station product, product is avoided to be squeezed and deformed in multiple production and handling process, it solves the problems such as unqualified edge rolling circularity caused by manual operation factor, defective to staking, unstable product size after molding, improves production efficiency；The present invention uses 4 pre-bends, and pre-bend radian is respectively less than 90 degree, can reduce caused circularity rebound when bending；The present invention bends out product end and fastens position, and carries out edge rolling fastening using the material guide structure of edge rolling station, convenient at circle.The present invention can make product more stable, further ensure that stability and qualification rate of the roll bending casing in assembly and operating, while saving the manufacturing cost in links.
Description
Technical field
The present invention relates to roll bending casing production technical field more particularly to a kind of continuously shaped dresses for processing micromotor shell
It sets and continuous forming process.
Background technique
As the fining degree of automobile is higher and higher, the requirement for automobile parts is also higher and higher, thus by pair
The control of the manufacturing process of accessory is particularly important come the control for reaching to fittings quality.Such requirement is on Automobile Micromotor
Embodiment becomes apparent.
Currently, Automobile Micromotor requires revolving speed high, low noise, therefore the requirement to the various aspects of motor housing will be very high.
The edge rolling of traditional handicraft, core pulling, riveted divide different station to process, low efficiency；Moreover, product easily appears in production and handling process
It is middle be squeezed and deformed, edge rolling circularity is up to standard, defective to staking, the problems such as product is unstable, fraction defective is high.Can so there be peace to motor
Full hidden danger influences normal remote turn of motor, serious to will cause motor housing cracking.
Summary of the invention
It is an object of the present invention to solve disadvantage existing in the prior art, and propose outside a kind of processing micro machine
The apparatus for continuous formation and continuous forming process of shell.
To achieve the above object, present invention employs following technical solutions:
A kind of apparatus for continuous formation for processing micromotor shell, including upper die and lower die, are pressed between the upper mold and the lower die
Product processing sequence successively includes the first pressure circular arc station, the second pressure circular arc station, third pressure circular arc station, the 4th pressure circular arc work
Position, at least one sky step station, edge rolling station, riveted station and shaping station；First pressure the circular arc station, described second
The pressure arc angle of pressure circular arc station, third pressure circular arc station and the 4th pressure circular arc station is respectively less than 90 degree.
The first pressure circular arc station includes the first pressure circular arc formed punch group and presses circular arc formed punch group phase with described first
The the first lower die forming blocks matched, the first pressure circular arc formed punch group are arranged in the upper mold, and the first lower die forming blocks are set
It sets in the lower die, the first pressure circular arc formed punch group and the first lower die forming blocks both ends are equipped with third and imitate circular arc,
The third, which is imitated, to be respectively equipped with product two ends are extruded the first imitative circular arc and the second imitative circular arc that fasten position on the outside of circular arc,
The first imitative circular arc and the second imitative circular arc imitate the seamless smooth connection of circular arc with the third close to it respectively.
The edge rolling station includes the opposite edge rolling upper die forming block and edge rolling lower die forming blocks with interior concave arc,
The edge rolling upper die forming block is fixed in the upper mold, and the edge rolling lower die forming blocks are fixed in the lower die, the volume
The upper surface of circle lower die forming blocks is equipped with the material guidance knot of the radius gradual change smoothly fastened convenient for the fastening position of product two ends
Structure.
The riveted station includes the opposite riveted upper die forming block with indent half circular arc and has interior
The riveted lower die forming blocks of recessed half circular arc, the riveted upper die forming block is arranged in the upper mold, under the riveted
Mold forming block is arranged in the lower die；The empty step station, the edge rolling station, the riveted station and the shaping work
It is equipped with floating pulled core structure in position, the floating pulled core structure is between the upper mold and the lower die and is fixed at
In a side of the lower die.
Preferably, the second pressure circular arc station includes the second pressure circular arc formed punch group and presses circular arc formed punch with described second
The second lower die forming blocks that group matches, it is described second pressure circular arc formed punch group be arranged in the upper mold, second lower die at
Type block is arranged in the lower die, and the both ends of the second pressure circular arc formed punch group and the both ends of the second lower die forming blocks are equal
It is respectively equipped with the 4th imitative circular arc and the 5th imitative circular arc；Third pressure circular arc station include third pressure circular arc formed punch group and with institute
The third lower die forming blocks that third pressure circular arc formed punch group matches are stated, the third pressure circular arc formed punch group is arranged in the upper mold
On, the third lower die forming blocks are arranged in the lower die, mold forming under the third pressure circular arc formed punch group and the third
The both ends of block are equipped with the 6th imitative circular arc；The 4th pressure circular arc station includes the 4th pressure circular arc formed punch group and with the described 4th
The 4th lower die forming blocks that pressure circular arc formed punch group matches, the 4th pressure circular arc formed punch group is arranged in the upper mold, described
4th lower die forming blocks are arranged in the lower die, the both ends of the 4th pressure the circular arc formed punch group and the 4th lower die forming blocks
It is equipped with the 7th imitative circular arc.
Preferably, the first pressure circular arc formed punch group, the second pressure circular arc formed punch group, the third press circular arc formed punch group
And it is described 4th pressure circular arc formed punch group each imitative circular arc be equipped with the first circularity rebound surplus, the first lower die forming blocks,
Each imitative circular arc of the second lower die forming blocks, the third lower die forming blocks and the 4th lower die forming blocks is equipped with
Two circularity spring back surplus；The circular arc of the circular arc of the edge rolling upper die forming block and the riveted upper die forming block is equipped with third
Circularity springs back surplus, and the circular arc of the riveted lower die forming blocks is equipped with the 4th circularity and springs back surplus.
Preferably, it is described first pressure circular arc formed punch group, the first lower die forming blocks, it is described second pressure circular arc formed punch group,
The second lower die forming blocks, third pressure circular arc formed punch group, the third lower die forming blocks, the 4th pressure circular arc formed punch
Group, the 4th lower die forming blocks, the edge rolling upper die forming block, the edge rolling lower die forming blocks, the riveted upper die forming
The adjacent margins that block and the riveted lower die forming blocks are contacted with product are equipped with fillet.
Preferably, the width of the first pressure circular arc formed punch group is greater than edge rolling product on the first pressure circular arc station in institute
The length projected in lower die is stated, the width of the second pressure circular arc formed punch group is greater than edge rolling product on the second pressure circular arc station
The length projected in the lower die, the width of the third pressure circular arc formed punch group are greater than edge rolling on third pressure circular arc station
The length that product projects in the lower die, the width of the 4th pressure circular arc formed punch group are greater than on the 4th pressure circular arc station
The length that edge rolling product projects in the lower die.
Preferably, the first lower die forming blocks, the second lower die forming blocks, the third lower die forming blocks and institute
It states the 4th lower die forming blocks two sides and is respectively equipped with groove milling, the width and depth of the groove milling are all larger than product and phase on same station
Should press circular arc formed punch group width and at least 2 millimeters of depth.
Preferably, the empty step station includes the support column and the 5th lower die forming blocks to prevent deformation of products, institute
It states support column to be arranged in the upper mold, the 5th lower die forming blocks are arranged in the lower die.
Preferably, the floating pulled core structure includes limit profiling block and relocatable plug, the limit profiling block
Be oppositely arranged on the two sides of the lower die with the plug, the plug be threaded through when protruding horizontally up the upper mold and it is described under
Between mould and it is erected on the limit profiling block.
Preferably, it is threaded through when the plug is erected on the limit profiling block in molding edge rolling product, and the core
The diameter of stick is less than the diameter of molding edge rolling product.
A kind of continuous forming process for processing micromotor shell, includes the following steps:
First time pre-bend: circle is pressed to go out the first radian to the both ends overlapping fastening in last edge rolling respectively at the both ends of product
With the second radian, then to not pressing circular portion respectively in the middle part of product while pressing round third radian, wherein the first radian, the second radian
And third radian is respectively less than 90 degree.
Second of pre-bend: product advances with material strip, to not pressing circular portion to carry out pressure circle in the middle part of product, wherein close to pressure circle
First radian a side pressure circle the 4th radian, close to press circle the second radian a side pressure circle the 5th radian, wherein the 4th radian with
And the 5th radian be respectively less than 90 degree.
Third time pre-bend: product advances with material strip, does not press circular portion both ends that circle size is pressed to be less than respectively at product middle part
90 degree of the 6th radian.
4th pre-bend: product advances with material strip, round big slight to not pressing the both ends of circular portion to press in the middle part of product respectively
In 90 degree of the 7th radian.
Edge rolling: product enters idle station with material strip and is adjusted transition, subsequently into edge rolling station edge rolling, at this time first to production
It does not press the both ends of circular portion to press circle eightth radian of the size less than 90 degree respectively in the middle part of product, then will be produced using material guide structure
Product press the both ends of the first radian of circle and the second radian to carry out overlapping fastening, complete edge rolling, wherein in the way of floating core pulling into
Row adjustment and edge rolling.
Riveted shaping: carrying out riveted shaping to the product after edge rolling step, wherein being carried out using floating core pulling mode
Riveted shaping, final cutting band shots, product are rolled out, are completed the process.
Compared with prior art, the invention has the benefit that incorporating the edge rolling of traditional handicraft, core pulling and riveting technology
In one, the one-pass molding in same mold of each work station product avoids product and squeezes in multiple production and handling process
It is unstable etc. to solve unqualified edge rolling circularity caused by manual operation factor, defective to staking, product size after molding for deformation
Problem improves production efficiency；When the present invention carries out pressure circular arc bending to product, using 4 pre-bends, finally again in edge rolling
It is once bent, bending pressure circle is performed in multiple times by multistation, and circular arc radian is pressed to be respectively less than 90 degree, when can reduce bending
Caused circularity rebound, keeps edge rolling more accurate；And each station presses circular arc degree small, and then the stamping press needed is small, can be reduced to mould
Tool is lost, and die life is improved；The present invention bends out product end and fastens position, and utilizes the material of edge rolling station
Guide structure carries out edge rolling fastening, convenient at circle.The present invention can make product more stable, further ensure that roll bending casing
Stability and qualification rate in assembly and operating, while saving the manufacturing cost in links.
Detailed description of the invention
Fig. 1 is the process flow of the apparatus for continuous formation and continuous forming process of a kind of processing micromotor shell of the invention
Figure.
Fig. 2 is a kind of the first pressure circular arc station structure signal of the apparatus for continuous formation of processing micromotor shell of the invention
Figure.
Fig. 3 is a kind of the second pressure circular arc station structure signal of the apparatus for continuous formation of processing micromotor shell of the invention
Figure.
Fig. 4 is that a kind of third of the apparatus for continuous formation of processing micromotor shell of the invention presses the signal of circular arc station structure
Figure.
Fig. 5 is a kind of the 4th pressure circular arc station structure signal of the apparatus for continuous formation of processing micromotor shell of the invention
Figure.
Fig. 6 is a kind of empty step station structure schematic diagram of the apparatus for continuous formation of processing micromotor shell of the invention.
Fig. 7 is a kind of edge rolling station structure schematic diagram of the apparatus for continuous formation of processing micromotor shell of the invention.
Fig. 8 is a kind of structural schematic diagram of the riveted station of the apparatus for continuous formation of processing micromotor shell of the invention.
Specific embodiment
To make to have further understanding to the purpose of the present invention, construction, feature and its function, hereby cooperate embodiment detailed
It is described as follows.
Incorporated by reference to referring to Fig.1, Fig. 2, Fig. 3, Fig. 4, Fig. 5, Fig. 6, Fig. 7 and Fig. 8, a kind of processing of one embodiment of the invention is micro-
The apparatus for continuous formation of motor housing, including upper mold 1 and lower die press material strip direction of advance X and product between upper mold 1 and lower die 2
Processing sequence successively includes the first pressure circular arc station 3, second pressure circular arc station 4, the third pressure pressure circular arc work of circular arc station the 5, the 4th
Position 6, at least one sky step station 7, edge rolling station 8, riveted station 9 and shaping station 10.Each station is in upper mold 1 and lower die 2
Between be integrated into one, micromotor shell finished product can be directly produced in same mold, can be reduced product sequence, can be kept away
Exempt from product to be squeezed and deformed in multiple production and handling process, improves product qualification rate and production efficiency.First pressure circular arc station
3, the pressure arc angle of the second pressure circular arc station 4, third pressure circular arc station 5 and the 4th pressure circular arc station 6 is respectively less than 90 degree.Pressure
Circular arc radian is less than 90 degree, for larger angle bending compared with the existing technology, can reduce the circularity rebound of product.
As shown in Fig. 2, the first pressure circular arc station 3 includes the first pressure circular arc formed punch group 11 and presses circular arc formed punch group with first
11 the first lower die forming blocks 12 to match, the first pressure circular arc formed punch group 11 are arranged in upper mold 1, and the first lower die forming blocks 12 are set
It sets in lower die 2, the first pressure circular arc formed punch group 11 and 12 both ends of the first lower die forming blocks are equipped with third and imitate circular arc 15, and third is imitative
Be respectively equipped on the outside of circular arc 15 to product two ends extrude fasten position the first imitative circular arc 13 and the second imitative circular arc 14, first
Imitative circular arc 13 and the second imitative circular arc 14 imitate the seamless smooth connection of circular arc 15 with the third close to it respectively.First pressure circular arc station
3 for carrying out first time pre-bend to product, and the angle of pre-bend can reduce circularity rebound less than 90 degree；First imitative circular arc
13 and second imitative circular arc 14 to product two ends extrude fasten position, convenient for the product in edge rolling both ends mutually fasten weight
It is folded, make product Cheng Yuan.
As shown in fig. 7, edge rolling station 8 includes under the opposite edge rolling upper die forming block 16 and edge rolling with interior concave arc
Mold forming block 17, edge rolling upper die forming block 16 are fixed in upper mold 1, and edge rolling lower die forming blocks 17 are fixed in lower die 2, under edge rolling
The upper surface of mold forming block 17 is equipped with the material guide structure of the radius gradual change smoothly fastened convenient for the fastening position of product two ends
18.The main target of material guide structure 18 is that product two ends are gone out by the first imitative circular arc 13 and the second imitative pressure of circular arc 14 circle
Fastening position, utilize the different arc section of radius, guidance fasten position fasten overlapping.
As shown in figure 8, riveted station 9 include the opposite riveted upper die forming block 19 with indent half circular arc with
And the riveted lower die forming blocks 20 with indent half circular arc, riveted upper die forming block 19 is arranged in upper mold 1, under riveted
Mold forming block 20 is arranged in lower die 2；It is equipped in sky step station 7, edge rolling station 8, riveted station 9 and shaping station 10 floating
Dynamic pulled core structure 21, floating pulled core structure 21 is between upper mold 1 and lower die 2 and is fixed in a side of lower die 2.It is excellent
Selection of land, floating pulled core structure 21 include limit profiling block 22 and relocatable plug 23, limit profiling block 22 and 23 phase of plug
To the two sides that lower die 2 is arranged in, plug 23 is threaded through between upper mold 1 and lower die 2 when protruding horizontally up and is erected at limit profiling
On block 22.Further, it is threaded through when plug 23 is erected on limit profiling block 22 in molding edge rolling product, and plug 23 is straight
Diameter is less than the diameter of molding edge rolling product, transmits smoothly convenient for molding edge rolling product de- material and material strip, and in edge rolling and riveted
The circularity of product is overcome to spring back error.The setting of floating pulled core structure 21 can provide circle in product edge rolling, riveted and shaping
Foundation is spent, and can directly be gone out from product inner core pulling in die sinking, is avoided after edge rolling, riveted and shaping, then carry out manually
Core pulling not only can be reduced the working time, guarantee that feeding is smooth, and is avoided that deformation of products.In the present invention, circular arc is pressed first
It is also successively arranged punching station 24 and trimming station 25 before station 3, first product is punched out and trimming, subsequently into first
Circular arc station 3 is pressed, after passing sequentially through the pre-bend that each station carries out different angle by each pressure circular arc station, into edge rolling station
Edge rolling movement is completed after 8 edge rollings, subsequently into 9 riveted of riveted station, cuts off material strip after the completion of last shaped 10 shaping of station
Band shots, complete production work.In edge rolling station 8, riveted station 9 and shaping station 10, depressed in upper mold 1
When, 23 auto-extending of plug in floating pulled core structure 21 passes through edge rolling interiors of products and is erected on limit profiling block 22, uses
In support product, keep product hanging, so as to complete the edge rolling to product, riveted and shaping, in die opening state, in upper mold 1
It moves, floating pulled core structure 21 drives plug 23 to reset, and extracts out out of molding edge rolling product, completes de- material, and do not influence material strip row
Into.
In one embodiment, as shown in Fig. 2, upper mold 1 includes upper die holder 26, upper die plate 27, upper mold holder 28, support backboard
29 and upper de- plate 30, lower die 2 includes lower bolster 31 and lower die holder plate 32, such splicing construction, convenient for the de- material of product, and just
It carry out demolition and replacement in vulnerable part, the service life of system can be improved.
In one embodiment, as shown in Fig. 3, Fig. 4 and Fig. 5, it is preferable that the second pressure circular arc station 4 includes the second pressure circular arc
Formed punch group 33 and the second lower die forming blocks 34 to match with the second pressure circular arc formed punch group 33, the second pressure circular arc formed punch group 33 are set
It sets in upper mold 1, the second lower die forming blocks 34 are arranged in lower die 2, under the both ends and second of the second pressure circular arc formed punch group 33
The both ends of mold forming block 34 are respectively equipped with the 4th imitative circular arc 35 and the 5th imitative circular arc 36；It includes third that third, which presses circular arc station 5,
Pressure circular arc formed punch group 37 and the third lower die forming blocks 38 to match with third pressure circular arc formed punch group 37, third press circular arc formed punch
Group 37 is arranged in upper mold 1, and third lower die forming blocks 38 are arranged in lower die 2, and third presses circular arc formed punch group 37 and third lower die
The both ends of forming blocks 38 are equipped with the 6th imitative circular arc 39；4th pressure circular arc station 6 include the 4th pressure circular arc formed punch group 40 and with
The 4th lower die forming blocks 41 that 4th pressure circular arc formed punch group 40 matches, the 4th pressure circular arc formed punch group 40 are arranged in upper mold 1, the
Four lower die forming blocks 41 are arranged in lower die 2, and the 4th pressure circular arc formed punch group 40 and the both ends of the 4th lower die forming blocks 41 are equipped with
7th imitative circular arc 42.It is each to press due to being pressed in circular arc station 4, third pressure circular arc station 5 and the 4th pressure circular arc station 6 second
Circular arc formed punch group and each lower die forming blocks are all different, so utilizing the second pressure circular arc formed punch group by the second pressure circular arc station 4
33 and second the 4th imitative circular arc 35 in lower die forming blocks 34 and the 5th imitative circular arc 36 to not pressing circular portion to complete the in the middle part of product
Secondary pre-bend；It is imitated using the third pressure circular arc formed punch group 37 of third pressure circular arc station 5 and the 6th of third lower die forming blocks 38
Circular arc 39 does not press circular portion to carry out third time pre-bend at product middle part；It is rushed using the 4th pressure circular arc of the 4th pressure circular arc station 6
7th imitative circular arc 42 of head group 40 and the 4th lower die forming blocks 41 does not press circular portion to carry out the 4th pre-bend at product middle part, into
And complete the pre-bend work before product edge rolling.
As shown in Figure 6, it is preferable that sky step station 7 includes the support column 43 and the 5th lower die to prevent deformation of products
Forming blocks 44, support column 43 are arranged in upper mold 1, and the 5th lower die forming blocks 44 are arranged in lower die 2.Product walks station 7 in sky
When, it is supported between upper mold 1 and the 5th lower die forming blocks 44 using support column 43, product is threaded through the core of floating pulled core structure 21
It on stick 23, is avoided that product is deformed, and product can be made to be adjusted transition in sky step station 7.Sky step station 7 is also convenient for
When needing to add process between the 4th pressure circular arc station 6 and edge rolling station 8 on the following mold, station is provided.
Preferably, the first pressure circular arc formed punch group 11, second presses circular arc formed punch group 33, third pressure circular arc formed punch group 37 and the
Each imitative circular arc of four pressure circular arc formed punch groups 40 is equipped with the first circularity rebound surplus, in one embodiment, more than the rebound of the first circularity
Amount refers to that the imitative arc radius ratio of each pressure circular arc formed punch group will molding circle product external arc radius basis on corresponding station
The amount of upper diminution, specifically can be R0.38；First lower die forming blocks 12, the second lower die forming blocks 34, third lower die forming blocks 38
And the 4th lower die forming blocks 41 each imitative circular arc be equipped with the second circularity rebound surplus, in one embodiment, the second circularity return
Play surplus refer to the imitative arc radius of each lower die forming blocks than on corresponding station will molding product inner arc radius
On the basis of the amount amplified, specifically can be R0.38；The circular arc of edge rolling upper die forming block 16 and the circle of riveted upper die forming block 19
Arc is equipped with third circularity rebound surplus, and third circularity rebound surplus refers to the circular arc and riveted of edge rolling upper die forming block 16
The circular arc of upper die forming block 19 specifically can be than the amount reduced on the basis of it corresponds to the radius of circle product external on station
R0.1；The circular arc of riveted lower die forming blocks 20 is equipped with the 4th circularity and springs back surplus, and the 4th circularity rebound surplus refers under riveted
The circular arc of mold forming block 20 specifically can be R0.1 than the amount reduced on the basis of the radius of product inner circle on the station；First
Circularity springs back surplus, the second circularity rebound surplus, third circularity rebound surplus and the 4th circularity rebound surplus to overcome
Error caused by circularity is sprung back.
As shown in Fig. 2, Fig. 3, Fig. 4, Fig. 5, Fig. 6, Fig. 7 and Fig. 8, it is preferable that the first pressure circular arc formed punch group 11, the first lower die
Forming blocks 12, second press mold forming under circular arc formed punch group 33, the second lower die forming blocks 34, third pressure circular arc formed punch group 37, third
Block the 38, the 4th presses circular arc formed punch group 40, the 4th lower die forming blocks 41, edge rolling upper die forming block 16, edge rolling lower die forming blocks 17, riveting
It closes mold forming block 19 and adjacent margins that riveted lower die forming blocks 20 are contacted with product is equipped with fillet R, play round and smooth mistake
The effect crossed, with to avoid scratching products, fillet R is preferably 1 ~ 5 millimeter, and the size of specific fillet R can according to the actual situation again
It scales.
As shown in Fig. 2, Fig. 3, Fig. 4 and Fig. 5, it is preferable that the width of the first pressure circular arc formed punch group 11 is greater than the first pressure circular arc
The length that edge rolling product projects in lower die 2 on station 3, the width of the second pressure circular arc formed punch group 33 are greater than the second pressure circular arc station
The length that edge rolling product projects in lower die 2 on 4, third press the width of circular arc formed punch group 37 to be greater than on third pressure circular arc station 5
The length that edge rolling product projects in lower die 2, the width of the 4th pressure circular arc formed punch group 40 are greater than edge rolling on the 4th pressure circular arc station 6
The length that product projects in lower die 2.Due to that can have circularity rebound in pressure circular arc operation, each width for pressing circular arc formed punch group
The wider accuracy that not only can guarantee station pressure circular arc, but also can make to press arc size bending in place, offset the rebound of part circularity.
As shown in Fig. 2, Fig. 3, Fig. 4 and Fig. 5, it is preferable that the first lower die forming blocks 12, the second lower die forming blocks 34, third
Lower die forming blocks 38 and 41 two sides of the 4th lower die forming blocks are respectively equipped with groove milling 45, and the width and depth of groove milling 45 are all larger than together
The width of product and corresponding pressure circular arc formed punch group and at least 2 millimeters of depth on station, are avoided that deformation of products occur, and hit
Phenomena such as pressing circular arc formed punch, avoids danger of the mold by squeeze crack.
In one embodiment, the first imitative circular arc 13 of the first pressure circular arc formed punch group 11 and the second pressure circular arc formed punch group 33 is utilized
It cooperates with the second imitative circular arc 14, folds one 6 degree of circular arc and one 14 degree of circular arc in product two ends pre-bending, to
Control fastens the shape at position；Circular arc 15 6 degree of circular arc and 14 degree of circular arc side on product, which are imitated, using third distinguishes pre-bending
The circular arc of 45 degree of one end is folded, and 45 degree of circular arcs and the seamless smooth connection of 6 degree of circular arcs close to 6 degree of circular arcs, close to 14 degree of circular arcs
45 degree of circular arcs and the seamless smooth connection of 14 degree of circular arcs, so complete first pressure circular arc station 3 pre-bend work.In the second pressure
Circular arc station 4 is cooperated using the second pressure circular arc formed punch group 33 and the second lower die forming blocks 34, and product is justified by the first pressure
The both ends for the part not bent after arc station 3 press respectively circle 48 degree and 42 degree, and 48 degree of circular arcs close to 6 degree of circular arcs and with it is adjacent
Smooth connection that 45 degree of circular arcs are seamless, 42 degree of circular arcs close to 14 degree of circular arcs and with the adjacent seamless smooth connection of 45 degree of circular arcs, complete
The pre-bend work of second pressure circular arc station 4.Circular arc station 5 is pressed in third, is pressed under circular arc formed punch group 37 and third using third
Mold forming block 38 cooperates, and 45 degree of circle press at the both ends for not pressing circular portion in the middle part of product respectively, one of them 45 degree of circular arc and
The adjacent seamless smooth connection of 48 degree of circular arcs, 45 degree of circular arcs of another one and the adjacent seamless smooth connection of 42 degree of circular arcs, it is complete
At the pre-bend work of third pressure circular arc station 5.Circular arc station 6 is pressed the 4th, utilizes the 4th pressure circular arc formed punch group 40 and the 4th
Lower die forming blocks 41 cooperate, and 64 degree of circle, two 64 degree of circular arcs difference are pressed in the both ends for not pressing circular portion in the middle part of product respectively
With the seamless smooth connection of 45 degree of circular arcs adjacent thereto, the pre-bend work of the 4th pressure circular arc station 6 is completed.By four pre-bending
Product after folding enters edge rolling station 8 after sky walks station 7, when edge rolling upper die forming block 16 presses downwards, drives to float and take out
The plug 23 of cored structure 21 is stretched out and is threaded through in the radian that product rolls out after four pre-bends, edge rolling upper die forming block 16
During pushing, first justify 26 degree to not pressing in the middle part of product circular portion both ends press respectively, two 26 degree of circular arcs respectively with its phase
The adjacent seamless smooth connection of 64 degree of circular arcs, the material guide structure for fastening position and utilizing edge rolling lower die forming blocks 17 of product two ends
18 guidance fasten position and fasten overlapping, are finally completed edge rolling work.Enter riveted station 9 after the completion of edge rolling, utilizes floating core pulling
The plug 23 of structure 21 is threaded through in molding edge rolling product and carries out riveted to position is fastened, after the completion of riveted riveted upper mold at
Type block 19 moves up, and drives plug 23 to reset, extracts out out of product after riveted, enters back into shaping station 10 and carries out shaping to product
Blanking after the completion.
A kind of continuous forming process for processing micromotor shell, includes the following steps:
First time pre-bend: circle is pressed to go out the first radian to the both ends overlapping fastening in last edge rolling respectively at the both ends of product
With the second radian, then to not pressing circular portion respectively in the middle part of product while pressing round third radian, wherein the first radian, the second radian
And third radian is respectively less than 90 degree, in one embodiment, the first radian is 6 degree, and the second radian is 14 degree, and third radian is 45
Degree, two 45 degree of circular arc respectively with 6 degree of circular arc and the seamless smooth connection of 14 degree of circular arc.
Second of pre-bend: product advances with material strip, to not pressing circular portion to carry out pressure circle in the middle part of product, wherein close to pressure circle
First radian a side pressure circle the 4th radian, close to press circle the second radian a side pressure circle the 5th radian, wherein the 4th radian with
And the 5th radian be respectively less than 90 degree.In one embodiment, the 4th radian is 48 degree, and the 5th radian is 42 degree, and 48 degree of circular arcs are close
6 degree of circular arcs and with the adjacent seamless smooth connection of 45 degree of circular arcs, 42 degree of circular arcs close to 14 degree of circular arcs and with 45 degree of adjacent circular arcs
Seamless smooth connection.
Third time pre-bend: product advances with material strip, does not press circular portion both ends that circle size is pressed to be less than respectively at product middle part
90 degree of the 6th radian.In one embodiment, the 6th radian is 45 degree, one of them 45 degree of circular arc and 48 degree of adjacent circular arcs without
Stitch smooth connection, 45 degree of circular arcs of another one and the adjacent seamless smooth connection of 42 degree of circular arcs.
4th pre-bend: product advances with material strip, round big slight to not pressing the both ends of circular portion to press in the middle part of product respectively
In 90 degree of the 7th radian.In one embodiment, the 7th radian be 64 degree, two 64 degree of circular arcs respectively with adjacent thereto 45 degree
Smooth connection that circular arc is seamless.
Edge rolling: product enters idle station with material strip and is adjusted transition, first right at this time subsequently into 8 edge rolling of edge rolling station
It does not press the both ends of circular portion to press circle eightth radian of the size less than 90 degree respectively in the middle part of product, then utilizes material guide structure 18
It presses the both ends of the first radian of circle and the second radian to carry out overlapping fastening product, completes edge rolling, wherein utilize the side of floating core pulling
Formula is adjusted and edge rolling, is avoided that card resistance, is convenient for feeding and shaping.In one embodiment, the 8th radian is 26 degree, 26 degree of circles
Arc, respectively with the seamless smooth connection of 45 degree of circular arcs adjacent thereto.
Riveted shaping: carrying out riveted shaping to the product after edge rolling step, wherein being carried out using floating core pulling mode
Riveted shaping, is convenient for de- material, final cutting band shots while guaranteeing product cylindricity, and product is rolled out, completed the process.In riveting
It during conjunction, is threaded through in molding edge rolling product using the plug 23 of floating pulled core structure 21, under riveted upper die forming block 19
Pressure carries out riveted to position is fastened, and riveted upper die forming block 19 moves up after the completion of riveted, drives plug 23 to reset, after riveted
Extraction in product, convenient for material strip according to needing to advance.
This technique is by incorporating the edge rolling of traditional handicraft, core pulling, riveting technology technique in one, and each work station product is same
It is successively formed in one set of die, saves production process, improve production efficiency, reduce the fraction defective of product, each pre-bending
The angle of folding is respectively less than 90 degree, can reduce circularity rebound error, edge rolling riveted is carried out in the way of floating core pulling, saves work
When, avoid product deformation in core pulling.
From the above mentioned, the apparatus for continuous formation and continuous forming process of a kind of processing micromotor shell of the invention, integration
In one, the one-pass molding in same mold of each work station product avoided for the edge rolling of traditional handicraft, core pulling and riveting technology
Product is squeezed and deformed in multiple production and handling process, solves that edge rolling circularity caused by manual operation factor is unqualified, riveting
The problems such as product size bad, after molding is unstable is closed, production efficiency is improved；The present invention carries out pressure circular arc bending to product
When, it using 4 pre-bends, is finally once bent again in edge rolling, bending pressure circle is performed in multiple times by multistation, and press
Circular arc radian is respectively less than 90 degree, can reduce caused circularity rebound when bending, keep edge rolling more accurate；And each station presses circular arc degree
It is small, and then the stamping press needed is small, can be reduced and loses to mold, improves die life；The present invention is curved to product end
It folds and fastens position, and carry out edge rolling fastening using the material guide structure of edge rolling station, convenient at circle.The present invention can to produce
Product are more stable, further ensure that stability and qualification rate of the roll bending casing in assembly and operating, while saving each
Manufacturing cost in a link.
The present invention is described by above-mentioned related embodiment, however above-described embodiment is only to implement example of the invention.
It must be noted that the embodiment disclosed is not limiting as the scope of the present invention.On the contrary, do not depart from spirit of the invention and
It is changed and retouched made by range, belongs to scope of patent protection of the invention.
Claims (10)
1. a kind of apparatus for continuous formation for processing micromotor shell, including upper die and lower die, it is characterised in that the upper mold and institute
State between lower die by product processing sequence successively include the first pressure circular arc station, second pressure circular arc station, third pressure circular arc station,
4th pressure circular arc station, at least one sky step station, edge rolling station, riveted station and shaping station；The first pressure circular arc
Station, the second pressure circular arc station, third pressure circular arc station and the described 4th press the pressure arc angle of circular arc station
Respectively less than 90 degree；
The first pressure circular arc station includes the first pressure circular arc formed punch group and matches with the first pressure circular arc formed punch group
First lower die forming blocks, the first pressure circular arc formed punch group are arranged in the upper mold, and the first lower die forming blocks setting exists
In the lower die, the first pressure circular arc formed punch group and the first lower die forming blocks both ends are equipped with third and imitate circular arc, described
Third, which is imitated, to be respectively equipped with product two ends are extruded the first imitative circular arc and the second imitative circular arc that fasten position on the outside of circular arc, described
First imitative circular arc and the second imitative circular arc imitate the seamless smooth connection of circular arc with the third close to it respectively；
The edge rolling station includes the opposite edge rolling upper die forming block and edge rolling lower die forming blocks with interior concave arc, described
Edge rolling upper die forming block is fixed in the upper mold, and the edge rolling lower die forming blocks are fixed in the lower die, under the edge rolling
The upper surface of mold forming block is equipped with the material guide structure of the radius gradual change smoothly fastened convenient for the fastening position of product two ends；
The riveted station includes the opposite riveted upper die forming block with indent half circular arc and has an indent two
The riveted lower die forming blocks of/mono- circular arc, the riveted upper die forming block are arranged in the upper mold, the riveted lower die at
Type block is arranged in the lower die；In the empty step station, the edge rolling station, the riveted station and the shaping station
It is equipped with floating pulled core structure, the floating pulled core structure is between the upper mold and the lower die and is fixed at described
In a side of lower die.
2. the apparatus for continuous formation of processing micromotor shell as described in claim 1, it is characterised in that the second pressure circular arc
Station include the second pressure circular arc formed punch group and with the second lower die forming blocks that match of the second pressure circular arc formed punch group, it is described
Second pressure circular arc formed punch group is arranged in the upper mold, and the second lower die forming blocks are arranged in the lower die, and described second
The both ends at the both ends and the second lower die forming blocks of pressing circular arc formed punch group are respectively equipped with the 4th imitative circular arc and the 5th imitative circle
Arc；Third pressure circular arc station include third pressure circular arc formed punch group and match with third pressure circular arc formed punch group the
Three lower die forming blocks, the third pressure circular arc formed punch group are arranged in the upper mold, and the third lower die forming blocks are arranged in institute
It states in lower die, the both ends of the third pressure circular arc formed punch group and the third lower die forming blocks are equipped with the 6th imitative circular arc；It is described
4th pressure circular arc station includes the 4th the 4th lower die pressing circular arc formed punch group and matching with the 4th pressure circular arc formed punch group
Forming blocks, the 4th pressure circular arc formed punch group are arranged in the upper mold, and the 4th lower die forming blocks are arranged in the lower die
On, the both ends of the 4th pressure circular arc formed punch group and the 4th lower die forming blocks are equipped with the 7th imitative circular arc.
3. the apparatus for continuous formation of processing micromotor shell as claimed in claim 2, it is characterised in that the first pressure circular arc
Formed punch group, the second pressure circular arc formed punch group, third pressure circular arc formed punch group and the described 4th press each of circular arc formed punch group
Imitative circular arc is equipped with the first circularity rebound surplus, under the first lower die forming blocks, the second lower die forming blocks, the third
Mold forming block and each imitative circular arc of the 4th lower die forming blocks are equipped with the second circularity rebound surplus；The edge rolling upper mold at
The circular arc of the circular arc of type block and the riveted upper die forming block is equipped with third circularity rebound surplus, mold forming under the riveted
The circular arc of block is equipped with the 4th circularity and springs back surplus.
4. the apparatus for continuous formation of processing micromotor shell as claimed in claim 2, it is characterised in that the first pressure circular arc
Formed punch group, the first lower die forming blocks, the second pressure the circular arc formed punch group, the second lower die forming blocks, the third pressure
Circular arc formed punch group, the third lower die forming blocks, the 4th pressure the circular arc formed punch group, the 4th lower die forming blocks, the volume
Circle upper die forming block, the edge rolling lower die forming blocks, the riveted upper die forming block and the riveted lower die forming blocks and production
The adjacent margins of product contact are equipped with fillet.
5. the apparatus for continuous formation of processing micromotor shell as claimed in claim 2, it is characterised in that the first pressure circular arc
The width of formed punch group is greater than the length that edge rolling product projects in the lower die on the first pressure circular arc station, second pressure
The width of circular arc formed punch group is greater than the length that projects in the lower die of edge rolling product on the second pressure circular arc station, and described the
The width of three pressure circular arc formed punch groups is greater than the length that edge rolling product projects in the lower die on third pressure circular arc station, institute
The width for stating the 4th pressure circular arc formed punch group is greater than the length that edge rolling product projects in the lower die on the 4th pressure circular arc station
Degree.
6. as claimed in claim 2 processing micromotor shell apparatus for continuous formation, it is characterised in that first lower die at
Type block, the second lower die forming blocks, the third lower die forming blocks and the 4th lower die forming blocks two sides are respectively equipped with
Groove milling, the width and depth of the groove milling are all larger than the width and depth of product and corresponding pressure circular arc formed punch group on same station extremely
It is 2 millimeters few.
7. the apparatus for continuous formation of processing micromotor shell as described in claim 1, it is characterised in that the empty step station packet
The support column and the 5th lower die forming blocks to prevent deformation of products are included, the support column is arranged in the upper mold, described
5th lower die forming blocks are arranged in the lower die.
8. the apparatus for continuous formation of processing micromotor shell as described in claim 1, it is characterised in that the floating core pulling knot
Structure includes limit profiling block and relocatable plug, and the limit profiling block and the plug are oppositely arranged on the lower die
Two sides, the plug are threaded through between the upper mold and the lower die when protruding horizontally up and are erected at the limit profiling block
On.
9. the apparatus for continuous formation of processing micromotor shell as claimed in claim 8, it is characterised in that the plug is erected at
It is threaded through when on the limit profiling block in molding edge rolling product, and the diameter of the plug is less than the straight of molding edge rolling product
Diameter.
10. a kind of continuous forming process for processing micromotor shell, it is characterised in that include the following steps:
First time pre-bend: circle is pressed to go out the first radian to the both ends overlapping fastening in last edge rolling respectively at the both ends of product
With the second radian, then to not pressing circular portion respectively in the middle part of product while pressing round third radian, wherein the first radian, the second radian
And third radian is respectively less than 90 degree；
Second of pre-bend: product advances with material strip, to not pressing circular portion to carry out pressure circle in the middle part of product, wherein close to pressure circle first
A side pressure the 4th radian of circle of radian, close to a side pressure the 5th radian of circle for pressing the second radian of circle, wherein the 4th radian and the
Five radians are respectively less than 90 degree；
Third time pre-bend: product advances with material strip, does not press circular portion both ends to press circle size less than 90 degree respectively at product middle part
The 6th radian；
4th pre-bend: product advances with material strip, does not press the both ends of circular portion to press circle size less than 90 respectively at product middle part
7th radian of degree；
Edge rolling: product enters idle station with material strip and is adjusted transition, subsequently into edge rolling station edge rolling, at this time first in product
Portion does not press the both ends of circular portion to press circle eightth radian of the size less than 90 degree respectively, then utilizes material guide structure by product pressure
The both ends of the first radian of circle and the second radian carry out overlapping fastening, complete edge rolling, wherein adjusted in the way of floating core pulling
Whole and edge rolling；
Riveted shaping: carrying out riveted shaping to the product after edge rolling step, wherein carrying out riveted using floating core pulling mode
Shaping, final cutting band shots, product are rolled out, are completed the process.
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| CN201910193376.1A CN109909374B (en) | 2019-03-14 | 2019-03-14 | Continuous forming device and continuous forming process for processing micro-motor shell |
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| CN201910193376.1A CN109909374B (en) | 2019-03-14 | 2019-03-14 | Continuous forming device and continuous forming process for processing micro-motor shell |
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| CN111790811A (en) * | 2020-06-02 | 2020-10-20 | 昆山达亚汽车零部件有限公司 | Die for forming rear tube piece of ice skate blade and forming process thereof |
| CN114453519A (en) * | 2021-12-27 | 2022-05-10 | 鹤壁天淇汽车模具有限公司 | Reverse-folding forming manufacturing method for high-strength plate automobile panel die |
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| CN109909374B (en) | 2024-02-02 |
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