CN212397824U

CN212397824U - Trimming die for automobile engine cabin covering piece

Info

Publication number: CN212397824U
Application number: CN201922091661.0U
Authority: CN
Inventors: 白瑛; 陆杰; 方杰
Original assignee: Wuxi Dawn Die and Stamping Co Ltd
Current assignee: Wuxi Dawn Die and Stamping Co Ltd
Priority date: 2019-11-28
Filing date: 2019-11-28
Publication date: 2021-01-26
Anticipated expiration: 2029-11-28

Abstract

The utility model discloses a side cut mould of automobile engine machine storehouse covering, including the first cope match-plate pattern and the first drag match-plate pattern that open and shut the die setting each other, be provided with first location terrace die on the first drag match-plate pattern, the upper surface of first location terrace die mills and has the location profile, the bottom of first cope match-plate pattern is provided with the contour side cut module, the contour side cut module cuts the outline clout of preforming stamping workpiece; the profile side cut module includes a plurality of side cut drifts, and is a plurality of the side cut drift is detachable setting respectively on first cope match-plate pattern, and is a plurality of the blade profile of side cut drift encloses synthetic annular closed loop and continuous open loop blade profile line, and it has split type and detachable side cut drift, can make things convenient for the maintenance and the change of side cut drift.

Description

Trimming die for automobile engine cabin covering piece

Technical Field

The utility model belongs to the stamping die field, in particular to side cut mould of automobile engine machine storehouse covering.

Background

Fig. 1 is a schematic view of a product of an automobile engine cabin inner covering part, wherein a is a schematic view of preforming, and b is a schematic view of trimming forming, and the trimming forming is used for removing excess material of the outer edge contour of a preformed stamping shell part, so that a trimming forming die is provided.

Disclosure of Invention

The purpose of the invention is as follows: in order to overcome the not enough of existence among the prior art, the utility model provides an automobile engine machine storehouse covering's side cut mould, it has split type and detachable side cut drift, can make things convenient for the maintenance and the change of side cut drift.

The technical scheme is as follows: in order to achieve the above purpose, the technical scheme of the utility model is as follows:

the trimming die for the automobile engine cabin covering part comprises a first upper die plate and a first lower die plate which are arranged in a mutually opening and closing mode, wherein a first positioning male die is arranged on the first lower die plate, a positioning molded surface is milled on the upper surface of the first positioning male die, a first pressure plate is elastically arranged below the first upper die plate, the first pressure plate and the first positioning male die are arranged correspondingly, a contour trimming module is arranged at the periphery of the first pressure plate at the bottom of the first upper die plate, and the contour trimming module cuts off outer contour excess materials of a preformed stamping part; the profile trimming module comprises a plurality of trimming punches, the trimming punches are detachably arranged on the first upper die plate respectively, and the cutting edge profiles of the trimming punches are enclosed into annular closed loops and continuous open-loop cutting edge profiles.

Further, the trimming punch comprises a single-fork arm punch, a double-fork arm punch and an end trimming punch, the single-fork arm punch, the double-fork arm punch and the end trimming punch correspond to the single-fork arm, the double-fork arm and the outer circle contour of the end of the intersection end respectively and form a continuous open-loop cutting edge.

The first upper die plate is provided with a first upper die plate, a first lower die plate and a first upper die plate, wherein the first upper die plate is provided with a first upper die plate, the first upper die plate is provided with a first clamping piece forming punch head, the first clamping piece forming punch head is arranged at the bottom of the first upper die plate and corresponds to the arm end of the single fork arm, the first clamping piece forming punch head is of a U-shaped section; the covering part body forms a buckling piece with only one end connected to the covering part body through a buckling piece forming punch head.

The buckle piece bending component bends the buckle piece downwards; the buckling piece bending assembly comprises a bending punch arranged on the buckling piece forming punch and a first sliding seat arranged on the first positioning male die, the first sliding seat is elastically arranged in a sliding mode far away from and near to the first positioning male die in the horizontal direction, and the first sliding seat is arranged below the buckling piece corresponding to the bending punch in a supporting mode; after blanking of the blanking edge, the bending punch moves downwards along with the buckle sheet forming punch, and the first sliding seat moves towards the first positioning male die and is far away from the position under the buckle sheet.

Has the advantages that: the utility model discloses a side cut forming die includes split type and detachable side cut drift, can conveniently cut the maintenance and the change of side cut drift, promotes the life of mould, and can adjust closed loop type blade profile or open loop type blade profile according to the shape of product to be adapted to the series of products that the shape is similar, promote the adaptability of mould.

Drawings

FIG. 1 is a schematic diagram of the pre-forming and trimming forming of the covering product of the present invention;

FIG. 2 is a front view of the overall structure of the mold of the present invention;

fig. 3 is a top view of the first positioning female die of the present invention;

fig. 4 is a top view of the first upper mold plate of the present invention;

FIG. 5 is an enlarged view of the structure of part A of the present invention;

fig. 6 is a schematic view of the A-A direction half section of the present invention.

Detailed Description

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

As shown in fig. 2 to 4, the trimming die for the automobile engine cabin covering part comprises a first upper die plate 1 and a first lower die plate 2 which are arranged in a mutually opening and closing manner, wherein a first positioning male die 3 is arranged on the first lower die plate 2, a positioning profile is milled on the upper surface of the first positioning male die 3, the positioning profile is matched with a covering part body 100 of a preformed part, a first pressure plate 4 is elastically arranged below the first upper die plate 1, the first pressure plate 4 is arranged corresponding to the first positioning male die 3, a profile trimming module is arranged at the bottom of the first upper die plate 1 and at the periphery of the first pressure plate 4, and the profile trimming module cuts off the outer profile excess material of the preformed pressing part; the profile side cut module includes a plurality of side cut drifts 5, and is a plurality of side cut drift 5 is respectively through the detachable setting of bolt on first cope match-plate pattern 3, and is a plurality of the blade profile of side cut drift 5 encloses synthetic annular closed loop and continuous open loop blade profile line. The trimming forming die comprises a split and detachable trimming punch 5, the trimming punch can be conveniently maintained and replaced, the service life of the die is prolonged, the maintenance cost is reduced, and the closed-loop cutting edge profile or the open-loop cutting edge profile can be adjusted according to the shape of a product so as to adapt to series of products with similar shapes and improve the adaptability of the die.

The trimming punch 5 comprises a single-fork arm punch 5A, a double-fork arm punch 5B and an end trimming punch 5C, wherein the covering piece body 100 is an axisymmetric shell, the single-fork arm punch 5A, the double-fork arm punch 5B and the end trimming punch 5C are symmetrically arranged and correspond to the excircle profiles of the single-fork arm 101, the double-fork arm 102 and the intersection end 103 respectively, and the single-fork arm punch 5A, the double-fork arm punch 5B and the end trimming punch 5C form a continuous open-loop cutting edge and are used for trimming and trimming the outer edge profile of the covering piece body 100.

The die further comprises a buckling piece forming punch 6 arranged at the bottom of the first upper die plate 1, the buckling piece forming punch 6 is arranged corresponding to the arm end of the single fork arm, the buckling piece forming punch 6 is of a U-shaped section structure, and two U-shaped arms of the buckling piece forming punch 6 form a blanking cutting edge 6 a; the covering part body 100 is provided with a buckling piece 7 with only one end connected to the covering part body 100 through a buckling piece forming punch 6, the buckling piece is rectangular, and buckling is formed after the buckling piece 7 is bent.

As shown in fig. 5 and 6, the buckle piece bending component is further included, and bends the buckle piece 7 downwards to form a buckle; the buckling piece bending assembly comprises a bending punch 11 arranged on the buckling piece forming punch 6 and a first sliding seat arranged on the first positioning male die 3, the first sliding seat is elastically arranged in a sliding mode far away from and near to the first positioning male die 3 in the horizontal direction, and the first sliding seat is arranged below the buckling piece 7 corresponding to the bending punch 11 in a supporting mode; when blanking of blanking blade 6a, first sliding seat supports under the buckle piece to guarantee that when the blanking, first sliding seat provides ascending holding power, supports the buckle piece on the one hand, and on the other hand, first sliding seat forms crisscross undercut blade with the U type wall of both sides, thereby shaping buckle piece. After blanking of the blanking cutting edge 6a, the bending punch 11 moves downwards along with the buckle sheet forming punch 6, the first sliding seat moves towards the first positioning male die 3 and is far away from the position under the buckle sheet 7, the bottom of the buckle sheet 7 loses support and empty space is generated, and when the bending punch 11 moves downwards, the buckle sheet 7 is bent downwards, and a buckle in a bending shape is formed.

The first sliding seat comprises a first sliding plate 14, an elastic restoring body 16 and a first lower wedge block 13, the first sliding plate 14 is in a rectangular strip plate structure, and the width of the first sliding plate is equal to the width of the buckling piece, namely equal to the distance between the U-shaped arms, the first sliding plate 14 is arranged between the two blanking cutting edges 6a in a clearance way, the first lower wedge 13 is connected to the first slide 14 by a first connecting plate 17, a first guide sliding groove 15 is horizontally arranged in the first positioning male die 3, the first sliding plate 14 is arranged in the first guide sliding groove 15 in a penetrating and sliding manner, and an elastic restoring body 16 is arranged between the end part of the first sliding plate 14 and the first guide sliding groove 15, the elastic restoring body 16 is a rectangular spring, before the blanking of the blanking cutting edge 6a is finished, the vertical projection surface of the buckling piece 7 is positioned on the first sliding plate 14, namely the first sliding plate 14 forms a lower cutting edge and supports the buckling piece; a first lower inclined wedge block 13 is arranged at one end, far away from the first positioning male die 3, of the first sliding plate 14, and a first upper inclined wedge block 12 is arranged on one side wall, far away from the first positioning male die 3, of the buckle piece forming punch 7 and corresponding to the first lower inclined wedge block 13; after the blanking of the blanking edge 6a is completed, the first upper wedge 12 which moves downwards continuously presses the first lower wedge 13, and the first sliding plate 14 slides towards the first positioning male die 3 until the first sliding plate 14 moves out of the vertical projection of the buckling piece 7 and is positioned outside the downward movement path of the bending punch 11, so that the bending punch 11 moves downwards to bend the buckling piece 7.

The first lower wedge block 13 and the first upper wedge block 12 are both 45-degree angle wedge blocks, and the distance from the end part of the extending end of the first sliding plate 14 to the first positioning male die 3 is equal to the distance from the blanking cutting edge 6a to the bending cutting edge 11 a; the bending blade 11a contacts the buckling piece 7 after the first sliding plate 14 is compressed and displaced to the stroke end, that is, after the displacement of the first lower wedge 13 in the horizontal direction is finished, the bending blade contacts the buckling piece 7 and bends it downward.

First connecting plate 17 is L type plate structure, just the vertical setting of first connecting plate 17's long arm, and connect in the end portion that stretches out of first slide 14, first connecting plate 17 is located first slide 14 under, first connecting plate 17's short arm level sets up, just connect in first tapered wedge 13, just the interval between first tapered wedge 13 and first connecting plate 17's long arm equals the interval of first last tapered wedge 12 to blanking blade 6a, just first connecting plate 17 provides the space of buckle piece shaping drift 6 displacement downwards with first tapered wedge 13's space.

The above description is only a preferred embodiment of the present invention, and it should be noted that: for those skilled in the art, without departing from the principle of the present invention, several improvements and modifications can be made, and these improvements and modifications should also be considered as the protection scope of the present invention.

Claims

1. The utility model provides a side cut mould of automobile engine machine storehouse covering which characterized in that: the stamping die comprises a first upper die plate (1) and a first lower die plate (2) which are arranged in a mutually opening and closing mode, wherein a first positioning male die (3) is arranged on the first lower die plate (2), a positioning molded surface is milled on the upper surface of the first positioning male die (3), a first pressure plate (4) is elastically arranged below the first upper die plate (1), the first pressure plate (4) and the first positioning male die (3) are arranged correspondingly, a profile trimming module is arranged at the periphery of the first pressure plate (4) at the bottom of the first upper die plate (1), and profile excess materials of a preformed stamping part are cut off by the profile trimming module; the profile trimming module comprises a plurality of trimming punches (5) and is a plurality of the trimming punches (5) are respectively detachably arranged on the first upper template (1) and are a plurality of the cutting edge profiles of the trimming punches (5) are enclosed into an annular closed loop and a continuous open loop cutting edge profile.

2. The trimming die for the automobile engine bin covering piece according to claim 1, wherein: trimming punch (5) includes single yoke punch (5A), two yoke punches (5B) and tip trimming punch (5C), single yoke punch (5A), two yoke punches (5B) and tip trimming punch (5C) correspond the setting respectively corresponding to the excircle profile of single yoke, two yoke and intersection end tip, just single yoke punch (5A), two yoke punches (5B) and tip trimming punch (5C) form continuous open loop blade.

3. The trimming die for the automobile engine bin covering piece according to claim 1, wherein: the die further comprises a buckling piece forming punch head (6) arranged at the bottom of the first upper die plate (1), the buckling piece forming punch head (6) is arranged corresponding to the arm end of the single fork arm, the buckling piece forming punch head (6) is of a U-shaped section structure, and two U-shaped arms of the buckling piece forming punch head (6) form blanking cutting edges (6 a); the cover body (100) forms a snap piece (7) with only one end connected to the cover body (100) by means of a snap piece forming punch (6).

4. The trimming die for the automobile engine bin covering piece according to claim 3, wherein: the buckle piece bending component bends the buckle piece (7) downwards; the buckling piece bending assembly comprises a bending punch (11) arranged on the buckling piece forming punch (6) and a first sliding seat arranged on the first positioning male die (3), the first sliding seat is elastically arranged in a sliding mode far away from and near to the first positioning male die (3) in the horizontal direction, and the first sliding seat is arranged below the buckling piece (7) corresponding to the bending punch (11) in a supporting mode; after the blanking cutting edge (6a) is blanked, the bending punch (11) moves downwards along with the buckle sheet forming punch (6), and the first sliding seat moves towards the first positioning male die (3) and is far away from the position under the buckle sheet (7).