CN208895000U - A kind of hollow part pneumatics bending and molding class progressive die - Google Patents

A kind of hollow part pneumatics bending and molding class progressive die Download PDF

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Publication number
CN208895000U
CN208895000U CN201821531036.2U CN201821531036U CN208895000U CN 208895000 U CN208895000 U CN 208895000U CN 201821531036 U CN201821531036 U CN 201821531036U CN 208895000 U CN208895000 U CN 208895000U
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China
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bending
tearing notch
die
pneumatics
molding
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CN201821531036.2U
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王正成
汪建国
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CHANGHUI (SHANGHAI) TECHNOLOGY GROUP Co Ltd
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CHANGHUI (SHANGHAI) TECHNOLOGY GROUP Co Ltd
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Abstract

The utility model discloses a kind of hollow part pneumatics bending and molding class progressive dies, including the tearing notch bending and molding station, lateral bending forming station and pneumatics hollow bending and forming station set gradually;It is provided with tearing notch bending and molding device on the tearing notch bending and molding station, lateral bending forming device is provided on the lateral bending forming station, is provided with pneumatics hollow bender on the pneumatics hollow bending and forming station.The utility model is designed by the structure to tearing notch bending and molding device, lateral bending forming device and pneumatics hollow bender and sequence, to complete the processing to hollow part on progressive die, it is low to solve existing hollow part processing efficiency, the high problem of processing cost.It can be widely applied to the progressive die manufacture field of hollow part.

Description

A kind of hollow part pneumatics bending and molding class progressive die
Technical field
The utility model relates to mold manufacture fields, more particularly, to a kind of hollow part pneumatics bending and molding class progressive die.
Background technique
Progressive die is mold relatively advanced in production and processing at this stage, and more secondary single die tools are combined shape At the theory of a whole process mould, to realize that Multi-position integral produces, have processing quality good, high production efficiency, behaviour Make the few advantage of personnel, is a general orientation of mold design development at this stage.
Part as shown in Figure 1, material thickness is greater than 2.5mm, due to the thicker bending structure complexity mesh of product material thickness The preceding country has no the antecedent succeeded in developing, and existing client produces into being import.And it is reported that external produced using bending machine always To increase the complex of process and the production cost of great number.To reduce production cost, processing efficiency, therefore, needle are improved Need to develop a progressive die to such product, to meet the needs of market is to such product.
Utility model content
The purpose of the utility model is to provide a kind of hollow part pneumatics bending and molding class progressive dies, solve existing hollow part and adopt It is machined with bending, low efficiency, problem at high cost.
The technical scheme adopted by the utility model to solve the technical problem is as follows: a kind of hollow part pneumatics bending and molding class grade Progressive die, including the tearing notch bending and molding station, lateral bending forming station and pneumatics hollow bending and forming station set gradually;Institute It states and is provided with tearing notch bending and molding device on tearing notch bending and molding station, be provided with lateral folding on the lateral bending forming station O ing device is provided with pneumatics hollow bender on the pneumatics hollow bending and forming station;
The tearing notch bending and molding device includes tearing notch bending upper die and tearing notch bending lower die, on the tearing notch bending upper die It is fixedly installed tearing notch punch-pin, the end of tearing notch punch-pin is provided with tearing notch cutting edge, and the side of tearing notch punch-pin is provided with punch-pin bending Forming surface;It is provided with slidable tearing notch bending female die on the tearing notch bending lower die, is provided with and tears on tearing notch bending female die The compatible tearing notch protrusion of mouth cutting edge, is additionally provided with cavity plate bending and molding face compatible with punch-pin bending and molding face;
The lateral bending forming device includes lateral bending forming upper mold and lateral bending forming lower die, the lateral folding It is fixedly installed inclined wedge in o ing upper mold, is provided on the lateral bending forming lower die and cooperates the side to horizontally slip with inclined wedge To bending punch-pin, it is additionally provided with lateral bending cavity plate moving up and down, the lateral bending punch-pin is matched with lateral bending cavity plate The side of conjunction is provided with lateral bending type face;
The pneumatics hollow bender includes under pneumatics hollow bending and forming upper mold and pneumatics hollow bending and forming Mould has been sequentially arranged bending in the pneumatics hollow bending and forming lower die by block, locating piece and floating cavity die, the positioning side by side The upper surface of block and floating cavity die is molding end face.
Further, the first mandril and the first ejector spring, tearing notch bending are provided with below the tearing notch bending female die The side of cavity plate is provided with side slide, and lead-in chamfered compatible with side slide is provided on the tearing notch bending female die.It is described Lateral bending punch-pin, which is fixedly connected with, pulls back bar and drives the Return spring of bar backhaul of pulling back, the lower section of the lateral bending cavity plate It is provided with the second mandril and the second ejector spring.Third mandril and third ejector spring are provided with below the floating cavity die.
Further, it is provided with the first discharging cover board and the first stripper on the tearing notch bending upper die, be additionally provided with Eject the first elastic tripper of the first discharging cover board and the first stripper.Second is provided on the tearing notch bending upper die to unload Expect cover board and the second stripper, is additionally provided with the second elastic tripper of ejection the second discharging cover board and the second stripper.Institute It states and is provided with third discharging cover board and third stripper on tearing notch bending upper die, be additionally provided with ejection third discharging cover board and third The third elastic tripper of stripper.
The utility model has the beneficial effects that the utility model passes through tearing notch bending and molding device, lateral bending forming device Structure design and sequence with pneumatics hollow bender solve to complete the processing to hollow part on progressive die Existing hollow part processing efficiency is low, the high problem of processing cost.Meanwhile the progressive die structure, more to the positioning of hollow part What is added is accurate, to improve the precision of finished product.
Below with reference to drawings and examples, the utility model is described in detail.
Detailed description of the invention
Fig. 1 is the schematic perspective view of hollow part in the utility model.
Fig. 2 is the Layout of the utility model.
Fig. 3 is side view of the hollow part before tearing notch bending and molding station in the utility model.
Fig. 4 is top view of the hollow part before tearing notch bending and molding station in the utility model.
Fig. 5 is the cross-sectional view in the utility model under tearing notch bending and molding device die opening state.
Fig. 6 is the cross-sectional view in the utility model under tearing notch bending and molding device molding state.
Fig. 7 is the main view of tearing notch punch-pin in the utility model.
Fig. 8 is the side view of tearing notch punch-pin in the utility model.
Fig. 9 is the main view of tearing notch bending female die in the utility model.
Figure 10 is the top view of tearing notch bending female die in the utility model.
Figure 11 is side view of the hollow part after tearing notch bending and molding station in the utility model.
Figure 12 is top view of the hollow part after tearing notch bending and molding station in the utility model.
Figure 13 is the cross-sectional view in the utility model under lateral bending forming device die opening state.
Figure 14 is the cross-sectional view in the utility model under lateral bending forming device molding state.
Figure 15 is the side view of hollow part lateral bending forming front and back in the utility model.
Figure 16 is the hollow cross-sectional view pushed back under type bender die opening state of the utility model.
Figure 17 is the hollow cross-sectional view pushed back under type bender molding state of the utility model.
Specific embodiment
Embodiment, a kind of hollow part pneumatics bending and molding class progressive die, for processing hollow part as shown in Figure 1, this time The processing difficulties of type part be using progressive die processing when, traditional mould structure cannot to hollow part provide well support and Positioning, to make processing there are individual differences big, the low problem of machining accuracy of hollow part.Hollow part provided by the utility model Pneumatics bending and molding class progressive die is improved by the design of design and specific mould structure to processing sequence, so as to accurate Completion hollow part processing.The structure of specific hollow part pneumatics bending and molding class progressive die is described as follows:
This progressive die structure is divided into g1 to g43 totally 43 stations, as shown in Figure 2.Wherein utility model refers to g33 thus Tearing notch bending and molding station, the g35 lateral bending shaping station that utility model refers to thus, g39 are what the utility model referred to Pneumatics hollow bending and molding station.In 43 stations, except the utility model is associated with station g33, g35, outside g39 station, Remaining setting is for technique idle station set by shaped article, punching station and bending station, because it is auxiliary positioning Or simple bending does not illustrate one by one in detail herein.
Upper clamping plate 1 and lower die holder plate 2, the tearing notch folding are provided on the hollow part pneumatics bending and molding class progressive die Tearing notch bending and molding device is provided on roll forming station g33, as shown in Fig. 5 to 10, the tearing notch bending and molding device includes Tearing notch bending upper die and tearing notch bending lower die, the tearing notch bending upper die include be superimposed in turn and fixed on upper clamping plate 1 One upper padding plate 3 and the first upper mounted plate 4 are fixedly installed tearing notch punch-pin 5, the tearing notch punch-pin 5 on first upper mounted plate 4 End middle position be provided with tearing notch cutting edge 501, punch-pin bending and molding face is additionally provided in the end sides of tearing notch punch-pin 502.The lower section of first upper mounted plate 4 is provided with the first discharging cover board 6 and the first stripper 7, the first discharging cover board 6 It is fixed together with the first stripper 7, and is provided with tearing notch punch-pin relief hole on the first discharging cover board 6 and the first stripper 7, The right and left of the first discharging cover board 6 and the first upper mounted plate 4 is provided with the first discharging hanging plate 8, for controlling first The stroke of discharging cover board 6 and the first stripper 7.First discharging hanging plate, 8 bolt is fixed in the first fixed plate 4, and first unloads The lower end of material hanging plate 8 is provided with the rib with the cooperation of 6 lower surface of the first discharging cover board.It is additionally provided with down on the upper clamping plate 1 Press the first elastic tripper 9 of the first discharging cover board 6, first elastic tripper 9 includes the first upper push-rod 901 and the One thrust spring 902, the first thrust spring 902 apply elastic force to the first upper push-rod 901, make push rod by the first discharging cover board 6 And first stripper 7 release separated with the first fixed plate 4.
The tearing notch bending lower die includes being sequentially overlapped the first lower bolster 10 and first being fixed in lower die holder plate 2 Concave template 11 is provided with the first cavity 1101 in first concave template 11, and it is recessed to be provided with tearing notch bending in the first cavity 1101 Mould 12, the left side of tearing notch bending female die 12 are provided with tearing notch protrusion 1201 compatible with tearing notch cutting edge 501 on tearing notch punch-pin 5, The two sides of tearing notch protrusion 1201 are provided with the cavity plate bending and molding face 1202 cooperated with punch-pin bending and molding face 502.The tearing notch The right side of bending female die 12 is lead-in chamfered 1204, and guide rail 1203, first cavity are provided in lead-in chamfered 1204 Be further fixedly arranged on side slide 13 in 1101, side slide 13 and lead-in chamfered 1204 cooperate, and be provided on side slide 13 with The guide groove that guide rail 1203 is adapted to.The first ejector spring 14, the top of the first ejector spring 14 are additionally provided in the lower die holder plate 2 It is provided with the first mandril 15, first mandril 15 acts on tearing notch bending female die 12.
Structure of the hollow part before tearing notch bending and molding station is as shown in Figure 3, Figure 4.The tearing notch bending and molding dress It sets in die sinking as shown in figure 5, the first discharging cover board 6 and the first stripper 7 are under the action of the first elastic tripper 9 at this time It is detached from the first upper mounted plate 4, meanwhile, effect of the tearing notch bending female die 12 in the first ejector spring 14 and the first mandril 15 Lower ejection.
When mold clamping, when the first stripper 7 is contacted with tearing notch bending female die 12, due to the first elastic tripper 9 Active force, tearing notch bending female die 12 is with the bevel direction movement on side slide 13 to making during the first stripper 7 pushes Tearing notch bending female die 12 overcomes the active force of the first ejector spring 14 moved beneath to the left, when the operation of tearing notch bending female die 12 in place Afterwards, the left part of tearing notch bending female die 12 protrudes into the bending of hollow part, and tearing notch bending female die 12 is pressed in the first lower bolster 10 On.Tearing notch bending upper die continues traveling downwardly, and the part of punching machine firmly makes the first discharging cover board 6 and the first stripper 7 overcome the first elasticity The elastic force of device for discharging 9 moves up, and stretches out tearing notch punch-pin 5 and carries out tearing notch with the cooperation of underlying tearing notch bending female die 12 And bending, after mold is closed completely, in place, hollow part after molding is as shown in Figure 11, Figure 12 for tearing notch bending and molding.Work as mold When die sinking, tearing notch bending and molding device returns to initial bit under the action of the first ejector spring 14 and the first elastic tripper 9 It sets, prepares next processing.
Hollow part after tearing notch bending and molding reaches lateral bending shaping station g35, the folding after two idle stations Lateral bending forming device is provided on roll forming station g35, as shown in figs. 13 and 14, the lateral bending forming device packet Lateral bending forming upper mold and lateral bending forming lower die are included, the lateral bending forming upper mold includes being superimposed in turn and fixed to The second upper padding plate 16 and the second upper mounted plate 17 on die holder plate 1 are fixedly installed inclined wedge 18 on second upper mounted plate 17, The lower section of second upper mounted plate 17 is provided with the second discharging cover board 19 and the second stripper 20, the second discharging cover board 19 It is fixed together with the second stripper 20, and is provided with inclined wedge relief hole on the second discharging cover board 19 and the second stripper 20, The right and left of the second discharging cover board 19 and the second upper mounted plate 20 is provided with the second discharging hanging plate 21, for controlling the The stroke of two discharging cover boards 19 and the second stripper 20.Second discharging hanging plate, 21 bolt is fixed in the second fixed plate 17, The lower end of second discharging hanging plate 21 is provided with the rib with the cooperation of 19 lower surface of the second discharging cover board.On the upper clamping plate 1 also It is provided with the second elastic tripper 22 for pushing the second discharging cover board 19, second elastic tripper 22 includes on second Push rod 2201 and the second thrust spring 2202, the second thrust spring 2202 apply elastic force to the second upper push-rod 2201, make second Second discharging cover board 19 and the second stripper 20 are released and are separated with the second fixed plate 17 by upper push-rod 2201.
The lateral bending forming lower die includes being sequentially overlapped 23 He of the second lower bolster being fixed in lower die holder plate 2 Second concave template 24 is provided with the second cavity 2401 in second concave template 24, be provided in second cavity 2401 with Inclined wedge 18 cooperates the lateral bending punch-pin 25 to horizontally slip, and the lateral bending punch-pin 25 is fixedly connected with pull back bar 26 and drive It pulls back the Return spring 27 of 26 backhaul of bar.Second cavity 2401 is additionally provided with the lateral folding cooperated with lateral bending punch-pin 25 Curved cavity plate 28 is provided with the second ejector spring 29 in the lower die holder plate 2, is provided with the second mandril in the second ejector spring 29 30,30 other end of the second mandril withstands on the bottom of lateral bending cavity plate 28.It is additionally provided in second cavity 2401 recessed Mould guide pad 31, cavity plate guide pad 31 are used for limit lateral bending female die 28 or so, move in the front-back direction, keep lateral bending recessed Mould 28 can only move along the vertical direction, and as a kind of scheme, the T-slot of vertical direction can be arranged on cavity plate guide pad 31, T-shaped slide rail with T-slot cooperation is set on lateral bending cavity plate 28, and T-shaped slide rail is packed into T-slot.It is, of course, also possible to be it His structure is used to control the moving direction of lateral bending cavity plate 28.The lateral bending punch-pin 25 cooperates with lateral bending cavity plate 28 Side be provided with lateral bending type face 2501, the side end face of the lateral bending cavity plate 28 and 2501 phase of lateral bending type face are suitable Match, extrusion forming lateral bending.
The lateral bending forming device is as shown in figure 13 in die sinking, at this time the second discharging cover board 19 and the second stripper 20 are detached under the action of the second elastic tripper 22 with the second upper mounted plate 17, meanwhile, the lateral bending cavity plate 28 exists It is ejected under the action of second ejector spring 29 and the second mandril 30.The lateral bending punch-pin 25 is under the action of Return spring 27 In left end.
When mold clamping, upper clamping plate 1 and the lateral bending being fixed on upper clamping plate 1 forming upper mold are transported downwardly together It is dynamic, when the second stripper 20 is contacted with lateral bending cavity plate 28, at this time due to the active force of the second elastic tripper 22 the Two strippers 20 push lateral bending cavity plate 28, and lateral bending cavity plate 28 overcomes the active force of the second ejector spring 29 to transport downwards Dynamic, until lateral bending cavity plate 28 is pressed on the second lower bolster 23, lateral bending forming upper mold continues to move downward, at this point, the Two strippers 20 overcome the elastic force of the second elastic tripper 22 to move up, and inclined wedge 18 and lateral bending punch-pin 25 act on push side It is moved to right to bending punch-pin 25, after mold is closed completely, as shown in figure 14, lateral bending type face 2501 and lateral bending cavity plate 28 Lateral bending forming is completed in effect, and as shown in figure 15, dotted line is the side view before the molding of hollow part, is embodied as side view after molding Figure.After the completion of molding, mold is opened, and each component returns to initial position under spring force, prepares next bending Molding.
Pneumatics hollow bending and molding station g39 is reached after lateral bending tri- station of hollow Jian Jing after molding carries out pneumatics Hollow bending and molding, the pneumatics hollow bending and molding station g39 are provided with pneumatics hollow bending and molding device, such as Figure 16, figure Shown in 17, the pneumatics hollow bender includes under pneumatics hollow bending and forming upper mold and pneumatics hollow bending and forming Mould.The pneumatics hollow bending and forming upper mold includes the third upper padding plate 32 being superimposed in turn and fixed on upper clamping plate 1 and third Upper mounted plate 33.The lower section of the third upper mounted plate 33 is provided with third discharging cover board 34 and third stripper 35, and described Three discharging cover boards 35 and third stripper 35 are fixed together, the left and right of the third discharging cover board 34 and third upper mounted plate 33 Both sides are provided with third discharging hanging plate 36, for controlling the stroke of third discharging cover board 34 and third stripper 35.Described Three discharging hanging plates, 36 bolt is fixed in third fixed plate 33, and the lower end of third discharging hanging plate 36 is provided with and third discharging cover board The rib of 34 lower surfaces cooperation.The third elasticity discharging dress for pushing third discharging cover board 34 is additionally provided on the upper clamping plate 1 37 are set, the third elastic tripper 37 includes third upper push-rod 3701 and third thrust spring 3702, third thrust spring 3702 apply elastic force to third upper push-rod 3701, make third upper push-rod 3701 by third discharging cover board 34 and third stripper 35 Release is separated with third fixed plate 33.
The pneumatics hollow bending and forming lower die includes being sequentially overlapped the third backing plate 38 being fixed in lower die holder plate 2 With third concave template 39, bending has been sequentially arranged in the third concave template 39 side by side by block 40, locating piece 41 and floating cavity die 42, the bending is to prevent 90 ° of molded bendings from deforming herein by the effect of block 40.41 upper end of the locating piece setting There is the bending point 4101 of protrusion, at the time of molding, the arc surface of product is first contacted with the bending point 4101 on locating piece 41, makes product By hollow bending direction bending.The third ejector spring 43 for ejecting floating cavity die 42 is additionally provided in the lower die holder plate 2, the Third mandril 44 is provided between three ejector springs 43 and floating cavity die 42.
When mold such as Figure 16 state, product material strip is sent by feeder to g39 station by g38 station, then and pneumatics hollow is rolled over O ing upper mold moves in a straight line from up to down with punching machine, first with plane on the downward third stripper 35 of punching machine and product It is in contact, at this time since the spring force of third elastic tripper 37 is greater than the active force and product deformation power of lower die, so the Three strippers 35 can resist plane on product always until formed product, in forming process, 90 ° of bending parts of product lean against folding It is curved to lean on block 40, prevent 90 ° of bendings deformations.And floating cavity die 42 can be because of the receipts of third ejector spring 43 during the depression process for product It contracts and retracts, product stress is with the recessed of setting when pneumatics hollow bending and forming upper mold and the fitting of pneumatics hollow bending and forming lower die The molding of mould shape, and this is completed in the case where being molded over absolutely not inner supporting device, completes this when punching machine is run to bottom dead centre Station movement.
The utility model is exemplarily described in conjunction with attached drawing above.Obviously, the utility model implements not It is limited by aforesaid way.As long as the various unsubstantialities that the method concept and technical solution that use the utility model carry out Improvement;Or it is not improved, the above-mentioned conception and technical scheme of the utility model are directly applied into other occasions, at this Within the protection scope of utility model.

Claims (7)

1. a kind of hollow part pneumatics bending and molding class progressive die, it is characterised in that: including the tearing notch bending and molding work set gradually Position, lateral bending forming station and pneumatics hollow bending and forming station;Tearing notch folding is provided on the tearing notch bending and molding station Roll forming device is provided with lateral bending forming device, the pneumatics hollow bending and forming on the lateral bending forming station Pneumatics hollow bender is provided on station;
The tearing notch bending and molding device includes tearing notch bending upper die and tearing notch bending lower die, is fixed on the tearing notch bending upper die It is provided with tearing notch punch-pin, the end of tearing notch punch-pin is provided with tearing notch cutting edge, and the side of tearing notch punch-pin is provided with punch-pin bending and molding Face;It is provided with slidable tearing notch bending female die on the tearing notch bending lower die, is provided on tearing notch bending female die and tearing notch sword The compatible tearing notch protrusion of mouth, is additionally provided with cavity plate bending and molding face compatible with punch-pin bending and molding face;
The lateral bending forming device includes lateral bending forming upper mold and lateral bending forming lower die, the lateral bending at It is fixedly installed inclined wedge in shape upper mold, is provided on the lateral bending forming lower die and cooperates the lateral folding to horizontally slip with inclined wedge Curved punch-pin is additionally provided with lateral bending cavity plate moving up and down, what the lateral bending punch-pin and lateral bending cavity plate cooperated Side is provided with lateral bending type face;
The pneumatics hollow bender includes pneumatics hollow bending and forming upper mold and pneumatics hollow bending and forming lower die, institute State and be sequentially arranged bending in pneumatics hollow bending and forming lower die side by side by block, locating piece and floating cavity die, the locating piece and The upper surface of floating cavity die is molding end face.
2. hollow part pneumatics bending and molding class progressive die as described in claim 1, it is characterised in that: the tearing notch bending female die Lower section be provided with the first mandril and the first ejector spring, the side of tearing notch bending female die is provided with side slide, the tearing notch folding Lead-in chamfered compatible with side slide is provided on curved cavity plate.
3. hollow part pneumatics bending and molding class progressive die as described in claim 1, it is characterised in that: the lateral bending punch-pin It is fixedly connected with and pulls back bar and drive the Return spring of bar backhaul of pulling back, be provided with the second top below the lateral bending cavity plate Bar and the second ejector spring.
4. hollow part pneumatics bending and molding class progressive die as described in claim 1, it is characterised in that: under the floating cavity die Side is provided with third mandril and third ejector spring.
5. hollow part pneumatics bending and molding class progressive die as claimed in claim 2, it is characterised in that: the tearing notch bending upper die On be provided with the first discharging cover board and the first stripper, be additionally provided with ejection the first discharging cover board and the first stripper the first bullet Property device for discharging.
6. hollow part pneumatics bending and molding class progressive die as claimed in claim 3, it is characterised in that: the tearing notch bending upper die On be provided with the second discharging cover board and the second stripper, be additionally provided with ejection the second discharging cover board and the second stripper the second bullet Property device for discharging.
7. hollow part pneumatics bending and molding class progressive die as claimed in claim 4, it is characterised in that: the tearing notch bending upper die On be provided with third discharging cover board and third stripper, be additionally provided with ejection third discharging cover board and third stripper third bullet Property device for discharging.
CN201821531036.2U 2018-09-19 2018-09-19 A kind of hollow part pneumatics bending and molding class progressive die Active CN208895000U (en)

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CN201821531036.2U CN208895000U (en) 2018-09-19 2018-09-19 A kind of hollow part pneumatics bending and molding class progressive die

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Application Number Priority Date Filing Date Title
CN201821531036.2U CN208895000U (en) 2018-09-19 2018-09-19 A kind of hollow part pneumatics bending and molding class progressive die

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109013909A (en) * 2018-09-19 2018-12-18 上海晨昌精密模具有限公司 A kind of hollow part pneumatics bending and molding class progressive die

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109013909A (en) * 2018-09-19 2018-12-18 上海晨昌精密模具有限公司 A kind of hollow part pneumatics bending and molding class progressive die

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