CN212384410U

CN212384410U - General forming die of end cover

Info

Publication number: CN212384410U
Application number: CN202021053630.2U
Authority: CN
Inventors: 顾佳铭; 周伟; 苏蔚茵
Original assignee: Jiangyin Chuangbo Machinery Manufacturing Co ltd
Current assignee: Jiangyin Chuangbo Machinery Manufacturing Co ltd
Priority date: 2020-06-09
Filing date: 2020-06-09
Publication date: 2021-01-22
Anticipated expiration: 2030-06-09

Abstract

The utility model relates to the technical field of flanging dies, in particular to a general forming die for end covers, which comprises a convex die and a concave die, wherein a forming jacking block is arranged in the concave die, the convex die is inserted into the concave die and can be enclosed with the inner wall of the concave die and the forming jacking block to form a cavity for forming the end cover, one side of the concave die, back to the convex die, is provided with an inclined slide seat and a movable wedge, the inclined slide seat is in sliding fit with the movable wedge, the inclined slide seat is fixed relative to the concave die, and the movable wedge is positioned between the inclined slide seat and the forming; the movable wedge is connected with a screw rod, the screw rod is bolted on the inclined sliding seat through a nut, the screw rod is used for pushing and pulling the movable wedge to move on the inclined sliding seat, and the movable wedge is used for extending into the female die to abut against the forming jacking block. The utility model realizes the processing of the end covers of all specifications by a set of flanging die by making the height of the forming jacking block adjustable; the defect that the telescopic range of the spring is limited is made up by utilizing the lifting of the female die, and the service life of the spring is prolonged.

Description

General forming die of end cover

Technical Field

The utility model belongs to the technical field of the technique of turn-ups mould and specifically relates to a general forming die of end cover is related to.

Background

In general, the flanging process is the last process for forming the contour shape or the three-dimensional shape of the stamping part. The flanging part is mainly used for mutual connection (welding, riveting, bonding and the like) between stamping parts, and certain flanging is the requirement of product flow or the requirement of aesthetic aspect.

Fig. 1 is an end cover 1 of a muffler on a truck, which is basically characterized in that: has a flange, is arched in front view and elliptic in top view. The end cover comprises multiple specifications, and because the flanging height of each specification is different, the sizes of flanging dies corresponding to the end covers of different specifications are different, and if one flanging die is designed for each end cover of each specification, the processing cost can be increased exponentially undoubtedly.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims at providing a general forming die of end cover has the advantage that one set of turn-ups mould can process all specification end covers.

The above object of the present invention can be achieved by the following technical solutions: a general forming die for end covers comprises a male die and a female die, wherein a forming jacking block is arranged in the female die, the male die is inserted into the female die and can form a cavity for forming an end cover together with the inner wall of the female die and the forming jacking block in a surrounding manner, one side of the female die, which is back to the male die, is provided with an inclined slide seat and a movable inclined wedge, the inclined slide seat is in sliding fit with the movable inclined wedge, the inclined slide seat is fixed relative to the female die, and the movable inclined wedge is positioned between the inclined slide seat; the movable wedge is connected with a screw rod, the screw rod is bolted on the inclined sliding seat through a nut, the screw rod is used for pushing and pulling the movable wedge to move on the inclined sliding seat, and the movable wedge is used for extending into the female die to abut against the forming jacking block.

Through adopting above-mentioned technical scheme, when the end cover turn-ups of production is higher, adjusting nut makes the screw rod move to keeping away from mould central direction, and the position of activity slide wedge risees immediately, when the terrace die stretches into in the die and pushes up the shaping kicking block upwards, can push up the shaping kicking block higher, makes the distance of shaping kicking block lower surface and die bottom surface farther, consequently can shape higher turn-ups after terrace die outer wall and the cooperation of die inner wall.

When the produced end cover flanging is short, the screw rod is moved towards the center direction of the die by adjusting the nut, and the position of the movable wedge is immediately lowered, so that the position of the forming ejector block is pressed down, the distance between the lower surface of the forming ejector block and the bottom surface of the female die is closer, and the short flanging can be formed.

Preferably, one side of the inclined sliding seat back to the movable inclined wedge is fixedly connected with an upper template, and a spring is connected between the upper template and the forming ejector block.

Through adopting above-mentioned technical scheme, when the position of shaping kicking block was pressed down by the activity slide wedge, in case the position of activity slide wedge uprise, the spring can upwards be drawn the shaping kicking block to highest position automatically, and when no spring, the shaping kicking block receives the action of gravity to fall on the flitch, and the terrace die is pushing against flitch and shaping kicking block upward movement simultaneously after going upward, probably has the dead condition of lateral wall and the die inner wall card of shaping kicking block.

Preferably, be equipped with the guide bar between cope match-plate pattern and the shaping kicking block, the axis of guide bar is parallel with the moving direction of shaping kicking block, guide bar and shaping kicking block fixed connection, and the one end that the shaping kicking block was kept away from to the guide bar has protruding cap, is equipped with communicating first through-hole and second through-hole on the cope match-plate pattern, protruding cap and the cooperation of first through-hole inner wall, guide bar and the cooperation of second through-hole inner wall.

Through adopting above-mentioned technical scheme, make the shaping kicking block can move along the length direction of guide bar steadily to avoid the shaping kicking block to be died by the die inner wall card, also can improve turn-ups fashioned quality.

Preferably, a second inclined slide seat and a second movable inclined wedge are further arranged on one side, back to the male die, of the female die, the second inclined slide seat is in sliding fit with the second movable inclined wedge, the second inclined slide seat is fixed relative to the inclined slide seat, the second movable inclined wedge is located between the second inclined slide seat and the female die, and the second movable inclined wedge is fixedly connected with the female die; and the second movable wedge is connected with a second screw rod, the second screw rod is bolted on the second inclined sliding seat through a nut, the second screw rod is used for pushing and pulling the second movable wedge to move on the second inclined sliding seat, and the second movable wedge is used for lifting the female die.

Through adopting above-mentioned technical scheme, because the flexible scope of spring is limited, consequently utilize the lift of die to compensate: when the forming top block can not continuously descend and the flanging height is reduced, the forming top block is compensated by the lifting female die; when the forming top block can not rise continuously and the flanging height is increased, the forming top block is compensated by the descending female die.

Preferably, one side that the die is back to oblique slide is equipped with presses the flitch, presses the inner wall of flitch and flushes with the inner wall of die, presses the flitch one side back to the die to be equipped with the ejector pin, presses the flitch to be used for pressing down the flitch edge with the bottom surface cooperation of die.

By adopting the technical scheme, the material plate is firstly paved on the material pressing plate, the ejector rod drives the material pressing plate to rise, the material pressing plate presses the edge of the material plate on the bottom surface of the female die, then the material plate is gradually jacked into the female die in the process that the male die rises and is inserted into the female die until the male die and the forming jacking block are matched to form the end cover.

Preferably, one side of the material pressing plate, which is opposite to the female die, is provided with a lower template, the ejector rod penetrates through the lower template, and the male die is fixed on the lower template.

By adopting the technical scheme, the whole structure of the die is compact.

Preferably, the orthographic projection of the inclined slide seat on the female die is located at the widest part of the inner cavity of the female die, and the second inclined slide seats are located on two sides of the inclined slide seat.

By adopting the technical scheme, the female die and the forming jacking block are stressed uniformly and lifted stably.

Preferably, the inclined slide seat is provided with a dovetail groove, the movable inclined wedge is provided with a lug, and the lug is in sliding fit with the dovetail groove.

Through adopting above-mentioned technical scheme, reached and to have hoisted the activity slide wedge, can make the effect of activity slide wedge linear motion along injecing the direction again.

To sum up, the utility model discloses a following at least one useful technological effect:

1. the height of the forming top block is adjustable, so that the end covers of all specifications can be processed by using a set of flanging die;

2. the defect that the telescopic range of the spring is limited is made up by utilizing the lifting of the female die, and the service life of the spring is prolonged.

Drawings

FIG. 1 is a schematic structural view of an end cap;

FIG. 2 is a perspective view of a general end cap forming die;

FIG. 3 is a top view of a universal end cap forming die;

FIG. 4 is a sectional view taken along line A-A of FIG. 3;

FIG. 5 is a schematic diagram of the structure of FIG. 3 with the top template hidden;

FIG. 6 is a schematic view of the connection of the tilting slide, the movable wedge, the mounting plate and the screw;

FIG. 7 is a schematic view of the second tilting slide shown hidden in FIG. 5;

FIG. 8 is a sectional view taken along line B-B of FIG. 3;

FIG. 9 is a schematic view of FIG. 4 after mold opening;

fig. 10 is a schematic view of fig. 8 after opening the mold.

In the figure, 1, end cap; 2. mounting a template; 3. a lower template; 4. a guide pair; 5. a female die; 6. forming a top block; 7. a male die; 8. a material pressing plate; 9. a top rod; 10. an inclined slide seat; 11. a movable wedge; 12. a second inclined slide carriage; 13. a second movable wedge; 14. a screw; 15. a second screw; 16. a spring; 17. a guide bar; 18. a convex cap; 19. a first through hole; 20. a second through hole; 21. a dovetail groove; 22. a bump; 23. and (7) mounting the plate.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Referring to fig. 2, for the utility model discloses a general forming die of end cover, include from last cope match-plate pattern 2, die 5, pressure flitch 8, the lower bolster 3 that distributes extremely down in proper order, wherein cope match-plate pattern 2 is connected through the vice 4 of direction with lower bolster 3, and die 5 is fixed in the lower surface of cope match-plate pattern 2.

As shown in fig. 4, a forming top block 6 is arranged in the female die 5, and the side wall of the forming top block 6 is in sliding fit with the inner wall of the female die 5. The lower surface of the pressure plate 8 is vertically fixed with a mandril 9, and the lower template 3 is provided with a hole for the mandril 9 to pass through. The upper surface of the lower template 3 is fixed with a convex die 7, and the convex die 7 is positioned right below the inner cavity of the concave die 5. The shape of the concave side of the end cover 1 is matched with the shape of the convex die 7, and the shape of the convex side of the end cover 1 is matched with the shape of the lower surface of the forming top block 6. The pressure plate 8 is provided with a through hole, the through hole is matched with the side wall of the male die 7 in shape, when the lower die plate 3 approaches the upper die plate 2, the male die 7 penetrates through the through hole to extend into the female die 5, and the lower surface of the forming top block 6 and the inner wall of the female die 5 are enclosed to form a cavity of the forming end cover 1.

As shown in fig. 4, the process of forming the end cap 1: the flitch is laid on the pressure flitch 8 at first, and after ejector pin 9 drove pressure flitch 8 and rises, pressure flitch 8 pressed the flitch edge on die 5 bottom surface, and the terrace die 7 rises and inserts the in-process of die 5 after that, the flitch is pushed up into die 5 gradually, and until terrace die 7 and shaping kicking block 6 compound die shaping goes out end cover 1.

As shown in fig. 5, two rows of inclined slide bases 10 and two rows of second inclined slide bases 12 are fixed to the lower surface of the upper template 2 (hidden) through screws, the two rows of inclined slide bases 10 take the long axis of the elliptical contour of the end cover 1 as a symmetry axis, and the two rows of second inclined slide bases 12 also take the long axis of the elliptical contour of the end cover 1 as a symmetry axis. The orthographic projection of the inclined slide 10 on the female die 5 is positioned at the widest part of the inner cavity of the female die 5, and the second inclined slides 12 are positioned at two sides of the inclined slide 10.

As shown in fig. 6, the tilting carriage 10 and the second tilting carriage 12 each have a dovetail groove 21, the dovetail grooves 21 being open in a direction parallel to a minor axis of the elliptical contour of the end cap 1. A movable inclined wedge 11 is arranged below the inclined sliding seat 10, a second movable inclined wedge 13 is arranged below the second inclined sliding seat 12, a convex block 22 is integrally formed on the upper surfaces of the movable inclined wedge 11 and the second movable inclined wedge 13, and the convex block 22 is in sliding fit with the dovetail groove 21.

As shown in fig. 7, the orthographic projection of the movable wedge 11 to the female die 5 falls on the molding top block 6, and the movable wedge 11 is used for extending into the groove to abut against the molding top block 6; one part of the orthographic projection of the second movable wedge 13 to the female die 5 falls on the top surface of the female die 5, the other part of the orthographic projection falls on the forming jacking block 6, the second movable wedge 13 is fixedly connected with the top surface of the female die 5, and the second movable wedge 13 is used for lifting the female die 5.

As shown in fig. 7, the opposite sides of the two rows of movable wedges 11 are fixedly connected with first screws 14, and central axes of the first screws 14 are parallel to the upper mold plate 2. The opposite sides of the two rows of second movable wedges 13 are fixedly connected with second screws 15, and the central axes of the second screws 15 are parallel to the upper template 2.

As shown in fig. 8, the first screw 14 is used to push/pull the movable wedge 11 on the slant slide 10, and similarly, the second screw 15 is used to push/pull the second movable wedge 13 on the second slant slide 12.

As shown in fig. 8, the opposite sides of the two rows of inclined slides 10 and the opposite sides of the two rows of second inclined slides 12 are provided with mounting plates 23 (see fig. 6 in detail) pointing to the lower template 3, and the mounting plates 23 are provided with holes for the first screws 14/the second screws 15 to pass through, and the height of the holes is enough for the first screws 14/the second screws 15 to move up and down. Two nuts are screwed on the first screw 14/the second screw 15 and respectively pressed on two sides of the mounting plate 23.

As shown in fig. 9, a guide rod 17 is provided between the upper die plate 2 and the molding top block 6, and a spring 16 is fitted over the guide rod 17. The central axis of the guide rod 17 is parallel to the central axis of the guide pair 4, and the bottom end of the guide rod 17 is fixedly connected with the forming ejector block 6. One end of the guide rod 17, which is far away from the forming jacking block 6, is provided with a convex cap 18, the upper template 2 is provided with a first through hole 19 and a second through hole 20 which are communicated, the convex cap 18 is matched with the inner wall of the first through hole 19, and the guide rod 17 is matched with the inner wall of the second through hole 20.

As shown in fig. 9, a pressure plate 8 is arranged between the female die 5 and the lower die plate 3, the inner wall of the pressure plate 8 is flush with the inner wall of the female die 5, a push rod 9 is vertically fixed on one side of the pressure plate 8, which is back to the female die 5, and the central axis of the push rod 9 is parallel to the central axis of the guide pair 4. The mandril 9 penetrates through the lower template 3, and the convex die 7 is fixed on the upper surface of the lower template 3.

As shown in fig. 10, the reason why the mold can mold the end caps 1 of different specifications is as follows: when the produced end cover 1 is higher in flanging, the screw 14 is moved to the direction far away from the center of the die by adjusting the nut, the position of the movable wedge 11 is raised immediately, when the male die 7 extends into the female die 5 to jack the forming jacking block 6 upwards, the forming jacking block 6 can be jacked higher, the distance between the lower surface of the forming jacking block 6 and the bottom surface of the female die 5 is further, and therefore higher flanging can be formed after the outer wall of the male die 7 is matched with the inner wall of the female die 5; when the produced end cover 1 is short in flanging, the screw 14 is moved towards the center direction of the die by the adjusting nut, and the position of the movable wedge 11 is lowered immediately, so that the position of the forming top block 6 is pressed down, the distance between the lower surface of the forming top block 6 and the bottom surface of the female die 5 is shorter, and the short flanging can be formed.

The second movable wedge 13 functions as follows: referring to fig. 7 and 10, the second movable wedge 13 is used to lift the female die 5, and the extension range of the spring 16 is limited, so that the lifting of the female die 5 is used for compensation. When the forming top block 6 can not continuously descend and the flanging height is reduced, the forming top block is compensated by the lifting female die 5; when the forming top block 6 can not rise continuously and the flanging height is increased, the forming top block is compensated by the descending female die 5.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. The utility model provides a general forming die of end cover, includes terrace die (7), die (5), is equipped with shaping kicking block (6) in die (5), and terrace die (7) are inserted and can enclose into the die cavity that is used for the shaping end cover with die (5) inner wall, shaping kicking block (6) in die (5), its characterized in that: an inclined sliding seat (10) and a movable inclined wedge (11) are arranged on one side, back to the male die (7), of the female die (5), the inclined sliding seat (10) is in sliding fit with the movable inclined wedge (11), the inclined sliding seat (10) is fixed relative to the female die (5), and the movable inclined wedge (11) is located between the inclined sliding seat (10) and the forming ejector block (6); the movable wedge (11) is connected with a screw rod (14), the screw rod (14) is bolted on the inclined slide seat (10) through a nut, the screw rod (14) is used for pushing and pulling the movable wedge (11) to move on the inclined slide seat (10), and the movable wedge (11) is used for extending into the female die (5) to abut against the forming ejector block (6).

2. The universal end cap molding die of claim 1, wherein: one side of the inclined sliding seat (10) back to the movable inclined wedge (11) is fixedly connected with an upper template (2), and a spring (16) is connected between the upper template (2) and the forming ejector block (6).

3. The universal end cap molding die of claim 2, wherein: be equipped with guide bar (17) between cope match-plate pattern (2) and shaping kicking block (6), the axis of guide bar (17) is parallel with the moving direction of shaping kicking block (6), guide bar (17) and shaping kicking block (6) fixed connection, the one end that shaping kicking block (6) were kept away from in guide bar (17) has protruding cap (18), be equipped with communicating first through-hole (19) and second through-hole (20) on cope match-plate pattern (2), protruding cap (18) and first through-hole (19) inner wall cooperation, guide bar (17) and second through-hole (20) inner wall cooperation.

4. The universal end cap molding die of claim 1, wherein: a second inclined sliding seat (12) and a second movable inclined wedge (13) are further arranged on one side, back to the male die (7), of the female die (5), the second inclined sliding seat (12) is in sliding fit with the second movable inclined wedge (13), the second inclined sliding seat (12) is fixed relative to the inclined sliding seat (10), the second movable inclined wedge (13) is located between the second inclined sliding seat (12) and the female die (5), and the second movable inclined wedge (13) is fixedly connected with the female die (5); the second movable inclined wedge (13) is connected with a second screw (15), the second screw (15) is connected to the second inclined slide seat (12) in a bolted mode through a nut, the second screw (15) is used for pushing and pulling the second movable inclined wedge (13) to move on the second inclined slide seat (12), and the second movable inclined wedge (13) is used for lifting the female die (5).

5. The universal end cap molding die of claim 1, wherein: die (5) one side back to oblique slide (10) is equipped with presses flitch (8), and the inner wall that presses flitch (8) flushes with the inner wall of die (5), presses flitch (8) one side back to die (5) to be equipped with ejector pin (9), presses flitch (8) to be used for pushing down the flitch edge with the bottom surface cooperation of die (5).

6. The universal end cap molding die of claim 5, wherein: one side of the pressure plate (8) back to the female die (5) is provided with a lower die plate (3), the ejector rod (9) penetrates through the lower die plate (3), and the male die (7) is fixed on the lower die plate (3).

7. The universal end cap molding die of claim 4, wherein: the orthographic projection of the inclined sliding seat (10) on the female die (5) is located at the widest position of an inner cavity of the female die (5), and the second inclined sliding seat (12) is located on two sides of the inclined sliding seat (10).

8. The universal end cap molding die of claim 1, wherein: the inclined slide seat (10) is provided with a dovetail groove (21), the movable inclined wedge (11) is provided with a convex block (22), and the convex block (22) is in sliding fit with the dovetail groove (21).