CN210547473U

CN210547473U - Bending stamping die for automobile accessory production

Info

Publication number: CN210547473U
Application number: CN201921631722.1U
Authority: CN
Inventors: 唐叶平
Original assignee: Dongguan New Precision Mould Co ltd
Current assignee: Dongguan New Precision Mould Co ltd
Priority date: 2019-09-28
Filing date: 2019-09-28
Publication date: 2020-05-19
Anticipated expiration: 2029-09-28

Abstract

The utility model discloses a bending stamping die for automobile accessory production, which comprises a lower die base plate and an upper die base plate, wherein the top of the lower die base plate is vertically and fixedly connected with a guard plate, the rear side of the guard plate is in a notch shape, and the top of the lower die base plate positioned in the middle of the inner side of the guard plate is vertically and fixedly connected with a bending boss; and the middle position of the bottom of the upper die substrate is vertically and fixedly connected with a driving block. The utility model discloses a vertical perforation of having seted up on the last mould base plate that is located drive block top intermediate position, the vertical threaded lead screw that runs through in the perforation, terminal surface and the perpendicular fixed connection of clamp plate top intermediate position under the threaded lead screw, the screw thread is twisted on the threaded lead screw that is located last mould base plate upper portion and is closed the spacing dish of butterfly, and the spacing dish of butterfly can be dragged when resetting the spring, avoids the elasticity of spring to reset and leads to the clamp plate swing condition to appear.

Description

Bending stamping die for automobile accessory production

Technical Field

The utility model relates to an automobile stamping die technical field specifically is an auto-parts production is with stamping die that bends.

Background

At present, a round steel product similar to a car seat hook is produced, a stamping process is adopted in the bending process of the product, the size of a part can be well guaranteed, the concave-convex die of a previous common stamping process can be in simple up-and-down motion, the round steel can be bent and formed by direct extrusion of the concave-convex die, so that the bending part of the round steel is inevitably damaged, the material strength of the bending corner of the round steel is influenced, a rotating shaft is additionally arranged at the corner of the concave-convex die after improvement, the rotating shaft is in a rolling state in the part forming process, the damage to the bending part of the round steel is reduced to a certain extent, and the damage to the part in the up-and-down motion process of the concave-convex die cannot be avoided; and the forming mode of the common stamping process cannot be used for stamping and forming the bent product with a negative angle at one time.

The utility model discloses a round steel product stamping die that bends is disclosed through retrieval (bulletin) number CN205270575U, including spring, drive block, pendulum piece, the lower mould of bending, pendulum piece pivot of bending, pressure flitch, the pendulum piece of bending is connected with the pressure flitch through pendulum piece pivot of bending, and the drive block sets up in the both sides of pressure flitch, is equipped with the spring above the pressure flitch, and the pressure flitch is fixed a position the round steel under the spring force effect during the punching press of bending, and the drive block drive pendulum piece of bending rotates along with pendulum piece pivot of bending, and the pendulum piece of bending is with the lower mould cooperation of bending and progressively bend the shaping with the round steel. Although the utility model discloses a stamping die bends, the pendulum piece of bending is in always along with the pendulum piece pivot pivoted state of bending among the product forming process, has guaranteed the mobility of material, alleviates the damage to the product department of bending material, and will bend the lower mould and process into big-end-up's toper, can be with having the product one shot forming of negative angle and hypomere bending, but through this technical scheme discovery of the inventor of the present invention then there is following defect:

first, when spring and pressure flitch among this technical scheme go on reciprocal cooperation and push down, because the spring does not have spacing mechanism and leads to the clamp plate to appear swinging easily.

Second, this technical scheme's lower mould inslot does not set up the demolding mechanism, and operating personnel is not convenient for take out the work piece from the lower mould inslot, influences the working effect.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an auto-parts production is with stamping die that bends has solved the problem that proposes in the background art.

In order to achieve the above object, the utility model provides a following technical scheme: a bending stamping die for automobile accessory production comprises a lower die base plate and an upper die base plate, wherein a protection plate is vertically and fixedly connected to the top of the lower die base plate, the rear side of the protection plate is in a notch shape, and a bending boss is vertically and fixedly connected to the top of the lower die base plate located in the middle of the inner side of the protection plate;

the middle position of the bottom of the upper die base plate is vertically and fixedly connected with a driving block, a through hole is vertically formed in the upper die base plate positioned in the middle position of the top of the driving block, a threaded screw rod vertically penetrates through the through hole, the lower end face of the threaded screw rod is vertically and fixedly connected with the middle position of the top of the pressing plate, and a spring is sleeved on the periphery of the threaded screw rod positioned between the upper die base plate and the pressing plate;

a butterfly limiting disc is screwed on the upper thread of a thread screw rod positioned at the upper part of the upper die base plate, and the left side and the right side of the bottom of the pressing plate are movably connected with bending swinging blocks through pin shafts; be located backplate inner chamber rear side laminating and have the push pedal, the equal fixedly connected with electric putter in backplate rear side left and right sides, electric putter's telescopic link and the inboard fixed connection of push pedal, and the push pedal middle part has been seted up and has been moved back a opening.

As a preferred embodiment of the utility model, the driving block is internally provided with a rectangular cavity structure with a lower part being a notch.

As a preferred embodiment of the present invention, the spring is disposed in the inner cavity of the driving block; the distance between the opposite sides of the two bending swinging blocks is smaller than the transverse distance between the guard plates and the transverse maximum opening area of the driving block.

As an optimal implementation manner of the present invention, two of the bending swing blocks are symmetrically distributed about the bending bosses.

As an optimal implementation mode of the utility model, the push pedal middle part has been seted up and has been moved back a breach and the vertical alignment of the boss of buckling, and big or small adaptation.

Compared with the prior art, the beneficial effects of the utility model are as follows:

1. the utility model discloses a vertical perforation of having seted up on the last mould base plate that is located drive block top intermediate position, the vertical threaded lead screw that runs through in the perforation, terminal surface and the perpendicular fixed connection of clamp plate top intermediate position under the threaded lead screw, the screw thread is twisted on the threaded lead screw that is located last mould base plate upper portion and is closed the spacing dish of butterfly, and the spacing dish of butterfly can be dragged when resetting the spring, avoids the elasticity of spring to reset and leads to the clamp plate swing condition to appear.

2. The utility model discloses owing to set up at the push pedal middle part and move back a notch and buckle the vertical alignment of boss, and big or small adaptation, guarantee to release convenient and fast at the work piece on the boss that will buckle in later stage.

Drawings

Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:

FIG. 1 is a schematic view of the overall front cross-sectional structure of a bending stamping die for producing automobile parts of the present invention;

FIG. 2 is a schematic view of the overhead structure of the push plate of the bending stamping die for producing the auto parts of the present invention distributed in the inner cavity of the guard plate;

fig. 3 is the utility model discloses auto-parts production is with stamping die's that bends move back an opening and distribute in the push pedal and look at the schematic structure.

In the figure: the device comprises a lower die base plate 1, a bending boss 2, a guard plate 3, a pin shaft 4, a pressure plate 5, a driving block 6, a spring 7, a through hole 8, a butterfly limiting disc 9, an upper die base plate 10, a bending swing block 11, a piece retreating notch 12, a push plate 13, an electric push rod 14 and a threaded screw rod 15.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

Referring to fig. 1-3, the present invention provides a technical solution: a bending stamping die for automobile accessory production comprises a lower die base plate 1 and an upper die base plate 10, wherein the top of the lower die base plate 1 is vertically and fixedly connected with a protection plate 3, the rear side of the protection plate 3 is in a notch shape, and the top of the lower die base plate 1 positioned in the middle of the inner side of the protection plate 3 is vertically and fixedly connected with a bending boss 2;

a driving block 6 is vertically and fixedly connected to the middle position of the bottom of an upper die base plate 10, a through hole 8 is vertically formed in the upper die base plate 10 located at the middle position of the top of the driving block 6, a threaded screw rod 15 vertically penetrates through the through hole 8, the lower end face of the threaded screw rod 15 is vertically and fixedly connected with the middle position of the top of a pressing plate 5, and a spring 7 is sleeved on the periphery of the threaded screw rod 15 located between the upper die base plate 10 and the pressing plate 5;

a butterfly limiting disc 9 is screwed on a threaded screw rod 15 positioned at the upper part of the upper die base plate 10 in a threaded manner, and the left side and the right side of the bottom of the pressure plate 5 are movably connected with bending swinging blocks 11 through pin shafts 4; be located 3 inner chamber rear sides laminating of backplate and have push pedal 13, the equal fixedly connected with electric putter 14 of 3 rear sides left and right sides of backplate, electric putter 14's telescopic link and the inboard fixed connection of push pedal 13, and push pedal 13 middle part has been seted up and has been moved back a notch 12.

In this embodiment, the driving block 6 has a rectangular hollow structure with a notch at the lower part.

In the embodiment, the spring 7 is arranged in the inner cavity of the driving block 6; the distance between the opposite sides of the two bending swinging blocks 11 is smaller than the transverse distance between the guard plate 3 and the transverse maximum opening area of the driving block 6, so that the bending swinging blocks 11 can be flexibly bent in the guard plate 3.

In this embodiment, two pendulum pieces of bending 11 are around bending 2 symmetric distributions of boss, guarantee when pushing down, bend pendulum piece 11 and the cooperation of bending boss 2 and carry out the punching press bending to the work piece steel sheet.

In this embodiment, 13 middle parts of push pedal are seted up and are moved back a breach 12 and buckle 2 vertical alignments of boss, and big or small adaptation, guarantee to release convenient and fast at the later stage work piece on the boss 2 that will buckle.

When an auto-parts production is with stamping die that bends uses, need explain, the utility model relates to an auto-parts production is with stamping die that bends, including lower mould base plate 1, buckle boss 2, backplate 3, round pin axle 4, clamp plate 5, drive block 6, spring 7, perforation 8, butterfly spacing dish 9, go up mould base plate 10, bend pendulum piece 11, move back an opening 12, push pedal 13, electric putter 14, screw lead screw 15, the part is the part that general standard spare or technical personnel in the field know, and its structure and principle all can learn through the technical manual or learn through conventional experimental method for this technical staff.

During the use, place the round steel in on backplate 3 of lower mould base plate 1 before the punching press, go up mould base plate 10 and descend, clamp plate 5 fixes a position the round steel after contacting it, then go up mould base plate 10 and continue descending, spring 7 is compressed this moment, thereby it makes the round steel fixed to compress tightly clamp plate 5, drive block 6 drive pendulum mass 11 that bends rotates along with pendulum mass 11 round pin axle 4 that bends, pendulum mass 11 that bends extrudees the round steel and makes the round steel progressively bend, make the round steel shaping through pendulum mass 11 that bends and the cooperation of the boss 2 that bends, then go up mould base plate 10 and rise the return after, electric putter 14 work drives push pedal 13 and moves back a work piece on the boss 2 that bends and align the cooperation with opening 12 and release.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above, it will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, but that the invention may be embodied in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides an auto-parts production is with stamping die that bends, includes lower mould base plate (1) and last mould base plate (10), its characterized in that: the top of the lower die base plate (1) is vertically and fixedly connected with a protective plate (3), the rear side of the protective plate (3) is in a notch shape, and the top of the lower die base plate (1) positioned in the middle of the inner side of the protective plate (3) is vertically and fixedly connected with a bending boss (2);

a driving block (6) is vertically and fixedly connected to the middle position of the bottom of the upper die base plate (10), a through hole (8) is vertically formed in the upper die base plate (10) located at the middle position of the top of the driving block (6), a threaded lead screw (15) vertically penetrates through the through hole (8), the lower end face of the threaded lead screw (15) is vertically and fixedly connected with the middle position of the top of the pressing plate (5), and a spring (7) is sleeved on the periphery of the threaded lead screw (15) located between the upper die base plate (10) and the pressing plate (5);

a butterfly limiting disc (9) is screwed on a threaded screw rod (15) positioned at the upper part of an upper die base plate (10), and the left side and the right side of the bottom of a pressing plate (5) are movably connected with a bending swinging block (11) through pin shafts (4); be located backplate (3) inner chamber rear side laminating and have push pedal (13), the equal fixedly connected with electric putter (14) of backplate (3) rear side left and right sides, the telescopic link of electric putter (14) and the inboard fixed connection of push pedal (13), and push pedal (13) middle part has been seted up and has been moved back a opening (12).

2. The bending and stamping die for automobile part production according to claim 1, characterized in that: the interior of the driving block (6) is of a rectangular cavity structure with a notch at the lower part.

3. The bending and stamping die for automobile part production according to claim 1, characterized in that: the spring (7) is arranged in the inner cavity of the driving block (6); the distance between the opposite sides of the two bending swinging blocks (11) is smaller than the transverse distance between the guard plate (3) and the transverse maximum opening area of the driving block (6).

4. The bending and stamping die for automobile part production according to claim 1, characterized in that: the two bending swinging blocks (11) are symmetrically distributed around the bending boss (2).

5. The bending and stamping die for automobile part production according to claim 1, characterized in that: the middle part of the push plate (13) is provided with a piece-withdrawing notch (12) which is vertically aligned with the bending boss (2) and is matched with the bending boss in size.