CN1759969A - Method for blanking punched pipefitting - Google Patents
Method for blanking punched pipefitting Download PDFInfo
- Publication number
- CN1759969A CN1759969A CN 200410067261 CN200410067261A CN1759969A CN 1759969 A CN1759969 A CN 1759969A CN 200410067261 CN200410067261 CN 200410067261 CN 200410067261 A CN200410067261 A CN 200410067261A CN 1759969 A CN1759969 A CN 1759969A
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- CN
- China
- Prior art keywords
- blanking
- pipe fitting
- front mould
- stamping head
- slide block
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Abstract
A punch method for blanking tubular workpiece includes such steps as sleeving a tube on a front die-punching head, putting them in a tube slot composed of front blanking cutter and cutter pressing plate, aligning the front die-punch head with the front blanking cutter, extending the tube out of said tube slot, inserting back die-punch head in the tube until it is in touch with the front one, and radial punching by upper blanking die-punch cutter. Its advantages are no damage to tube segments and high productivity.
Description
[technical field]
The present invention relates to a kind of pipe fitting blanking (also crying blanking) method, especially a kind of method for blanking punched.
[background technology]
At present, adopt from seamless steel pipe and cut the processing method that forms the bearing enclose blank piecemeal, in process, can cause the loss and the waste of material.According to the different size of bearing ring, every bearing needs the long former material of steel pipe of loss 1.8-2.5mm, is about as much as the 5%-10% of total materials, for (especially output is bigger) bearing ring manufacturer, loses very greatly, causes the serious wasting of resources.
In addition, above-mentioned blanking method working (machining) efficiency is low, also has potential safety hazard in process of production.
[summary of the invention]
In order to overcome the above-mentioned defective that exists in the prior art, the invention provides a kind of method for blanking punched pipefitting, to reach the effect of not going to expect, process fast and safely.
The technical solution adopted in the present invention is: a kind of method for blanking punched pipefitting, it is characterized in that: pipe fitting is enclosed within on the front mould drift, the two is placed in the pipe fitting trough of front mould blanking cutting die and the formation of cutting die pressing plate, and make the front mould drift align substantially with front mould blanking cutting die, pipe fitting stretches out pipe fitting trough, and the location clamps; Again back stamping head being put in pipe fitting touches substantially mutually with the front mould drift; At last with patrix blanking stamping knife in position that front mould drift and back stamping head touch mutually to radially punching press, rely on the shear action of patrix blanking stamping knife and front mould drift that the first half of pipe fitting is cut, rely on the front mould blanking cutting die and the shear action of back stamping head that the latter half of pipe fitting is cut, so finish the pipe fitting blanking.Adopt the said apparatus blanking, can not cause raw-material loss, in punching course, pipe fitting can not be out of shape, and more rapid with respect to cutting processing, efficient is higher, and production safety.
The present invention is connected the front mould drift on the one control frame, and between control frame and front mould blanking cutting die the workpiece support guide wheel is set after stretching into the pipe fitting that is nested together and front mould drift in the pipe fitting trough.The control frame can play the role of positioning better to the front mould drift, makes things convenient for the replacing of pipe fitting, and the workpiece support guide wheel is convenient to moving, adjusting of pipe fitting.
Back of the present invention stamping head is fixed on the translation part, other is provided with a lifters, the interactional inclined-plane that is located on lifters and the translation part by branch is converted to the translation motion of translation part with the lifting action of lifters, thereby stretches into or withdraw from pipe fitting (being the blanking action) by lifters control back stamping head.
Translation part of the present invention is a slide block, described lifters is and the slide block projectile of patrix blanking stamping knife one lifting, the first passive inclined working, the second passive inclined working and the first initiatively inclined working and the second active inclined working is set respectively on this slide block and slide block projectile.In the bar stock cutting by punching process, the slide block projectile is descending with patrix blanking stamping knife, before patrix blanking stamping knife and pipe fitting come in contact, the first active inclined working contacts and acts on the first passive inclined working earlier, interaction by two inclined working, the slide block projectile is released slide block, and back stamping head is stretched in the pipe fitting; After dashing material and finishing, the slide block projectile is up with patrix blanking stamping knife, second initiatively inclined working act on the second passive inclined working, thereby slide block is return together with back stamping head.The automatic slip of slide block makes simple to operate, has further improved production efficiency.
The present invention is provided with a back stamping head lifting structure that cooperates with described translation part in addition, make that this lifting structure remained on the position corresponding with the front mould drift with back stamping head when back stamping head was positioned at outside the pipe fitting, thereby can only move axially, so that stretch into pipe fitting smoothly, and when after the stamping head can make back stamping head knee-action after extending in the pipe fitting, to keep each pressing part bit position relation.
Back of the present invention stamping head lifting structure comprises and is arranged on last alignment pin and the following alignment pin that the lifter plate by with one lifting of patrix blanking stamping knife on the wallboard of stamping head both sides, back touches that described slide block is provided with corresponding location cotter way; The downside of slide block is provided with elastic supporting member for supporting optical member.Automatically locate when alignment pin is used for that slide block is in the different operating position, accurate with cooperating of miscellaneous part to guarantee back stamping head, elastic supporting member for supporting optical member can automatically reset slide block.
Be provided with location-plate between front mould drift of the present invention and the back stamping head, and offer on the location-plate and the corresponding through hole of back stamping head; The cam that is coupling on wallboard, cam pressure holding act on the cutting die pressing plate by this holding pad and clamp pipe fitting on the holding pad flanging; Between described wallboard and holding pad, be equipped with return unit.The pressure that by the cam rotation holding pad is produced in the descending process of patrix blanking stamping knife makes holding pad press down together with the cutting die pressing plate, and pipe fitting is clipped in the pipe fitting trough securely, avoids it to slide in punching course; Usually, location-plate is exactly the cut length of pipe fitting to the distance of front mould drift, has guaranteed the uniformity of bearing blank length.
Holding pad flanging upside of the present invention is lined with block rubber successively and transmits piece, and described cam pressure holding is being transmitted on the piece.Block rubber and transmission piece are avoided the damage of parts in the work to the pressure device cushioning effect between cam and the holding pad.
The invention has the beneficial effects as follows: avoid the spillage of material in the pipe fitting blanking process effectively, saved cost, improved production efficiency, easy and safe to operate.
[description of drawings]
Fig. 1 is the structural representation (work original state) of the related device of the present invention.
Fig. 2-3 is a duty process schematic diagram of the present invention.
Fig. 4 is that the E-E of Fig. 1 is to view.
Fig. 5 is a cam structure schematic diagram of the present invention.
Fig. 6 is that the K of Fig. 1 is to view (omission location-plate).
Fig. 7 is another view of structure shown in Figure 6.
[specific embodiment]
Convenient for description, earlier the structure of the related device of the present invention is done following introduction:
Blanking punched pipefitting device as shown in Figure 1 comprises frame, front mould, back mould, patrix blanking stamping knife 1, workpiece clamp locking structure, wherein:
Frame is made of base 16 and the front mould wallboard 24 and the back mould wallboard 32 that are fixed on the base 16;
Front mould comprises the front mould blanking cutting die 3 that is fixed on the front mould wallboard 24 and cutting die pressing plate 4 that can 3 activities of relative front mould blanking cutting die, forms a pipe fitting trough before and after running through between the two; Be fixedly connected with a carriage 15 that extends forward on the front mould wallboard 24, the other end of carriage 15 is connected with control frame 13, and the position, intermediate portion is provided with workpiece support guide wheel 14, and the tail end of front mould drift 2 is connected on the control frame 13;
Back mould comprises slide block 6, the slide block projectile 8 that cooperatively interacts and is connected back stamping head 5 on the slide block 6, and slide block 6 has elastic supporting member for supporting optical member 17, in order to keep the operating position of above-mentioned slide block 6 and back stamping head 5; Offer on the slide block 6 and advance groove 7, be provided with the first passive inclined working 19 and the second passive inclined working 18 in the groove; Slide block projectile 8 is provided with initiatively inclined working 20 of the first active inclined working 21 and second; And the side of slide block 6 has location cotter way 29 (being that a level is to the groove that is provided with) (see figure 6), and alignment pin 27 and following alignment pin 28 are equipped with in the corresponding position on the back mould wallboard 32, and the outside of alignment pin is with lifter plate 22;
The workpiece clamp locking structure comprises holding pad 9 (see figure 4)s that are positioned at cutting die pressing plate 4 upsides, be provided with back-moving spring 25 between it and the front mould wallboard 24, the formation flanging is outwards turned up in the both sides of holding pad 9, be disposed with block rubber 30 on the flanging and transmit piece 31, pressure holding has and can be connected with cam link 11 on the cam 10 along cam 10 (see figure 5)s of being located at rotating shaft 26 rotations on the front mould wallboard 24 on the transmission piece 31;
Patrix blanking stamping knife 1 is that an operate portions is circular-arc member;
Be provided with the adjustable location-plate 12 in a position between front mould drift 2 and the back stamping head 5, have through hole on the location-plate 12.
In the aforementioned components, the specification of front mould blanking cutting die 3, cutting die pressing plate 4, front mould drift 2, back stamping head 5, patrix blanking stamping knife 1 and location-plate 12 is that specification with pipe fitting changes at least.
When blanking punched, cam link 11, patrix blanking stamping knife 1, lifter plate 22 and slide block projectile 8 all are connected on the punch press head 23;
Start punch press then, punch press head 23 is descended drive simultaneously patrix blanking stamping knife 1, lifter plate 22 and slide block projectile 8 descending and make cam link 11 drive cams 10 to rotate, before patrix blanking stamping knife 1 and pipe fitting come in contact, cam 10 presses down holding pad 9, tightly be pressed in pipe fitting in the pipe fitting trough by the cutting die pressing plate, meanwhile, slide block projectile 8 is released slide block 6 by the effect of inclined working together with back stamping head 5, and stamping head 5 touches (see figure 2) mutually with front mould drift 2 until the back.In said process, last alignment pin 27 is positioned at the location cotter way 29 on the slide block all the time, following alignment pin 28 is pushed away location cotter way on the pipe fitting by lifter plate 22, thereby slide block only can be moved in the horizontal direction, can successfully stretch into (see figure 6) in the pipe fitting to guarantee back stamping head;
Extremely back stamping head touches mutually with the front mould drift, lifter plate 22 will be gone up alignment pin 27 and push open, alignment pin 27 is withdrawn from the cotter way 29 of location, thereafter, patrix blanking stamping knife 1, back stamping head 5 cooperate with front mould drift 2, front mould blanking cutting die 3, and the pipe fitting blanking is partly swept away (see figure 3), to locating cotter way 29 and following alignment pin 28 when corresponding, unclamp alignment pin 28 down, make down alignment pin 28 insert (see figure 7) in the cotter way 29 of location;
At last, punch press head 23 rises, lifter plate 22 will descend alignment pin 28 to withdraw from, slide block 6 resets under the effect of elastic supporting member for supporting optical member 17 with back stamping head 5, and then, slide block projectile 8 pushes back slide block 6, under the barrier effect of location-plate 12, make the workpiece that is swept away break away from back stamping head 5, the pressure that cam 10 is removed holding pad 9, holding pad 9 is reset to the state of Fig. 1 under the effect of back-moving spring 25 together with cutting die pressing plate 4.
When dashing material once more, as long as pipe fitting is pushed into location-plate 12, other operate the same getting final product.
Obvious, this base can be served as by the base of punch press, and holding pad can be made one with preceding moulded board.
Claims (8)
1, a kind of method for blanking punched pipefitting, it is characterized in that: pipe fitting is enclosed within on the front mould drift, the two is placed in the pipe fitting trough of front mould blanking cutting die and the formation of cutting die pressing plate, and make the front mould drift align substantially with front mould blanking cutting die, pipe fitting stretches out pipe fitting trough, and the location clamps; Again back stamping head being put in pipe fitting touches substantially mutually with the front mould drift; At last with patrix blanking stamping knife in position that front mould drift and back stamping head touch mutually to radially punching press, rely on the shear action of patrix blanking stamping knife and front mould drift that the first half of pipe fitting is cut, rely on the front mould blanking cutting die and the shear action of back stamping head that the latter half of pipe fitting is cut, so finish the pipe fitting blanking.
2, method for blanking punched pipefitting according to claim 1, it is characterized in that: after stretching into the pipe fitting that is nested together and front mould drift in the pipe fitting trough, the front mould drift is connected on the control frame, and between control frame and front mould blanking cutting die, the workpiece support guide wheel is set.
3, method for blanking punched pipefitting according to claim 1, it is characterized in that: back stamping head is fixed on the translation part, other is provided with a lifters, is located at the translation motion that interactional inclined-plane on lifters and the translation part is converted to the lifting action of lifters the translation part by branch.
4, method for blanking punched pipefitting according to claim 3, it is characterized in that: described translation part is a slide block, described lifters is and the slide block projectile of patrix blanking stamping knife one lifting, the first passive inclined working, the second passive inclined working and the first initiatively inclined working and the second active inclined working is set respectively on this slide block and slide block projectile.
5, according to claim 3 or 4 described method for blanking punched pipefitting, it is characterized in that: other is provided with a back stamping head lifting structure that cooperates with described translation part, make back stamping head be positioned at pipe fitting when outer this lifting structure back stamping head is remained on the position corresponding with the front mould drift, and when after the stamping head can make after extending in the pipe fitting after stamping head knee-action.
6, method for blanking punched pipefitting according to claim 5, it is characterized in that: described back stamping head lifting structure comprises and is arranged on last alignment pin and the following alignment pin that the lifter plate by with one lifting of patrix blanking stamping knife on the wallboard of stamping head both sides, back touches that described slide block is provided with corresponding location cotter way; The downside of slide block is provided with elastic supporting member for supporting optical member.
7, method for blanking punched pipefitting according to claim 1 is characterized in that: be provided with location-plate between described front mould drift and the back stamping head, and offer on the location-plate and the corresponding through hole of back stamping head; The cam that is coupling on wallboard, cam pressure holding act on the cutting die pressing plate by this holding pad and clamp pipe fitting on the holding pad flanging; Between described wallboard and holding pad, be equipped with return unit.
8, method for blanking punched pipefitting according to claim 7 is characterized in that: described holding pad flanging upside is lined with block rubber successively and transmits piece, and described cam pressure holding is being transmitted on the piece.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200410067261 CN1759969A (en) | 2004-10-15 | 2004-10-15 | Method for blanking punched pipefitting |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200410067261 CN1759969A (en) | 2004-10-15 | 2004-10-15 | Method for blanking punched pipefitting |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1759969A true CN1759969A (en) | 2006-04-19 |
Family
ID=36706256
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200410067261 Pending CN1759969A (en) | 2004-10-15 | 2004-10-15 | Method for blanking punched pipefitting |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1759969A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101549379B (en) * | 2009-04-13 | 2011-03-16 | 浙江五洲新春集团有限公司 | Automatic production line of steel tube cold cutting |
| CN102059335B (en) * | 2009-11-16 | 2013-03-20 | 福建浔兴拉链科技股份有限公司 | Aggregate separation device and method thereof |
| CN102974678A (en) * | 2012-11-23 | 2013-03-20 | 吕彬 | Cutting punch |
| CN106945121A (en) * | 2017-03-29 | 2017-07-14 | 河南师范大学 | A kind of cut-flower cutting die device |
| CN111673195A (en) * | 2020-05-20 | 2020-09-18 | 濮阳市恒信橡塑有限公司 | Polytetrafluoroethylene packing processingequipment |
-
2004
- 2004-10-15 CN CN 200410067261 patent/CN1759969A/en active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101549379B (en) * | 2009-04-13 | 2011-03-16 | 浙江五洲新春集团有限公司 | Automatic production line of steel tube cold cutting |
| CN102059335B (en) * | 2009-11-16 | 2013-03-20 | 福建浔兴拉链科技股份有限公司 | Aggregate separation device and method thereof |
| CN102974678A (en) * | 2012-11-23 | 2013-03-20 | 吕彬 | Cutting punch |
| CN106945121A (en) * | 2017-03-29 | 2017-07-14 | 河南师范大学 | A kind of cut-flower cutting die device |
| CN111673195A (en) * | 2020-05-20 | 2020-09-18 | 濮阳市恒信橡塑有限公司 | Polytetrafluoroethylene packing processingequipment |
| CN111673195B (en) * | 2020-05-20 | 2022-05-31 | 濮阳市恒信橡塑有限公司 | Polytetrafluoroethylene packing processingequipment |
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