CN213317207U

CN213317207U - Positioning structure of drawing die

Info

Publication number: CN213317207U
Application number: CN202022069270.1U
Authority: CN
Inventors: 金键; 敦勃文; 冯吉贺; 姜岩
Original assignee: FAW Jiefang Automotive Co Ltd
Current assignee: FAW Jiefang Automotive Co Ltd
Priority date: 2020-09-18
Filing date: 2020-09-18
Publication date: 2021-06-01
Anticipated expiration: 2030-09-18

Abstract

The utility model belongs to the technical field of automobile punching press production, a draw die's location structure is disclosed, including mounting panel and location straight board, the location straight board sets firmly on the mounting panel, the blank is laid on the pressure material face of pressing the material circle, be equipped with location working face and pressure material face contact surface on the location straight board, the location working face with the profile edge looks butt of blank, press the material face contact surface to end to be in press on the material face. The utility model arranges a positioning working surface and a material pressing surface contact surface on the positioning straight plate, wherein the positioning working surface is contacted with the outline edge of the blank, which is used for ensuring the accurate position of the blank on the mould; the contact surface of the material pressing surface is in contact with the material pressing surface of the drawing die, so that the blank outline does not exceed the material pressing surface all the time, a space is reserved for adjusting the positioning structure, and quality problems such as edge tearing of a stamping part and the like caused by the fact that the blank outline exceeds the material pressing surface or die accidents are avoided.

Description

Positioning structure of drawing die

Technical Field

The utility model relates to an automobile punching press production technical field especially relates to a draw die's location structure.

Background

The drawing of the stamping part is a process of accurately placing a blank with a plane shape on a drawing die and then forming. The positioning structure is arranged on the drawing die, so that the blank can be accurately positioned on the drawing die. The common positioning structure in the prior art is shown in fig. 1, and comprises an installation plate 1 'and a positioning straight plate 2', which are welded together, and the position of a blank 4 'on a pressing ring 3' can be adjusted by adjusting the horizontal position of the installation plate 1 'on the pressing ring 3'. In order to provide a space for adjusting the mounting plate 1 ', a certain gap needs to be left between the pressure surface 31' and the working surface 21 'of the positioning straight plate, but the outline of the blank 4' exceeds the pressure surface 31 ', and the edge of the blank 4' is easily torn in the drawing process, so that the quality problem of a stamping part or the accident of a die is caused.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a draw die's location structure to solve the marginal tearing scheduling quality problem that probably produces in the blank stamping process.

To achieve the purpose, the utility model adopts the following technical proposal:

the positioning structure of the drawing die comprises a mounting plate and a positioning straight plate, wherein the positioning straight plate is fixed on the mounting plate, a blank is laid on a pressing surface of a pressing ring, a positioning working surface and a pressing surface contact surface are arranged on the positioning straight plate, the positioning working surface is abutted against the outline edge of the blank, and the pressing surface contact surface is abutted against the pressing surface.

Optionally, the pressing surface contact surface is a plane, and a fitting surface is formed between the pressing surface contact surface and the pressing surface.

Optionally, the positioning working surface is perpendicular to the contact surface of the pressing surface at the contact surface abutting against the blank.

Optionally, the contact surface of the positioning straight plate, which is fixedly arranged on the mounting plate, is a step surface, and the end surface of the mounting plate can be stopped against the step surface to limit the position.

Optionally, the pressing ring faces towards one side of the mounting plate along the vertical direction, a pressing ring vertical face is arranged on one side of the mounting plate, the pressing ring vertical face is located below the pressing face contact surface, and a gap is formed between the pressing ring vertical face and the end face of the mounting plate.

Optionally, be equipped with the screw via hole on the mounting panel, be equipped with the screw hole on the swage ring, the screw can be in proper order threaded connection screw via hole and screw hole are in order to fix the mounting panel is in on the swage ring.

Optionally, the screw through hole is a long slot hole.

Optionally, the mounting plate is provided with at least two screw through holes, and the long axis directions of the at least two screw through holes are parallel to the plate plane of the positioning straight plate.

Optionally, the number of the screw through holes is two, and the screw through holes are arranged at intervals and are respectively located on two sides of the plate plane of the positioning straight plate.

Optionally, the mounting plate and the positioning straight plate are welded and fixed.

The utility model has the advantages that:

the utility model provides a pair of draw die's location structure, location straight board improve on current structure basis, including location working face and pressure material face contact surface. The positioning working surface is in contact with the edge of the outline of the blank and is used for ensuring the accurate position of the blank on the die; the contact surface of the material pressing surface is in contact with the material pressing surface of the drawing die so as to ensure that the outline of the blank does not exceed the material pressing surface all the time. Not only a space is reserved for adjusting the positioning structure, but also the quality problems of tearing of the edge of a stamping part and the like or the occurrence of die accidents caused by the fact that the outline of a blank exceeds a material pressing surface are avoided.

Drawings

FIG. 1 is a schematic view of a positioning structure of a drawing die in the prior art;

fig. 2 is a schematic structural diagram of a positioning structure of a drawing die provided by the present invention.

In the figure:

1' mounting plate; positioning a straight plate; 3', a material pressing ring; 4', blank; positioning the working surface of the straight plate; pressing the noodles;

1. mounting a plate; 11. a screw passing hole; 2. positioning the straight plate; 21. positioning a working surface; 22. a pressing surface contact surface; 3. a material pressing ring; 31. pressing noodles; 32. pressing ring vertical faces; 4. a screw; 5. and (5) blank.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It should be further noted that, for the convenience of description, only some of the structures related to the present invention are shown in the drawings, not all of the structures.

In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, detachably connected, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

In the description of the present embodiment, the terms "upper", "lower", "right", etc. are used in an orientation or positional relationship based on that shown in the drawings only for convenience of description and simplicity of operation, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used only for descriptive purposes and are not intended to have a special meaning.

With reference to fig. 2, the utility model provides a positioning structure of drawing die's principle is: in the debugging process of the drawing die, firstly, a blank 5 is placed at a proper position on a material pressing ring 3, and then, a positioning structure is horizontally adjusted on the material pressing ring 3 according to the position of the blank 5. The adjusting process of the positioning structure comprises the steps of firstly, contacting a positioning working surface 21 of a positioning straight plate 2 with the outline edge of a blank 5, at the moment, contacting a pressing surface contact surface 22 with a pressing surface 31, and contacting the lower surface of an installation plate 1 with the upper surface of a pressing ring 3; and then the mounting plate 1 and the material pressing ring 3 are fastened together through the screw through hole 11 by the screw 4, and the adjustment of the positioning structure is finished. After the positioning structure is adjusted, the vertical surface 32 of the material pressing ring and the positioning working surface 21 have no gap, that is, the outline of the blank 5 does not exceed the material pressing surface 31 all the time, so that the quality problems such as tearing of the edge of a stamping part and the like or the occurrence of die accidents are avoided.

As shown in fig. 2, the embodiment provides a positioning structure of a drawing die, which includes a mounting plate 1 and a positioning straight plate 2, the positioning straight plate 2 is fixedly disposed on the mounting plate 1, a blank 5 is laid on a pressing surface 31 of a pressing ring 3, the positioning straight plate 2 is provided with a positioning working surface 21 and a pressing surface contact surface 22, the positioning working surface 21 abuts against a contour edge of the blank 5, and the pressing surface contact surface 22 abuts against the pressing surface 31.

The utility model provides a pair of draw die's location structure improves on current structure basis, specifically is for setting up location working face 21 and pressing the material face contact surface 22 on location straight board 2. Wherein, the positioning working surface 21 is contacted with the contour edge of the blank 5 and is used for ensuring the accurate position of the blank 5 on the drawing die; the material pressing surface contact surface 22 is in contact with the material pressing surface 31 of the material pressing ring 3 on the drawing die, so that the outline of the blank 5 does not exceed the material pressing surface 31 all the time, a space is reserved for the overall adjustment of the positioning structure, and the quality problems of edge tearing of a stamping part and the like or die accidents caused by the fact that the outline of the blank 5 exceeds the material pressing surface 31 are avoided.

Optionally, the nip surface 22 is a plane, and forms an abutting surface with the nip surface 31. As shown in fig. 2, the pressing surface contact surface 22 is a planar end surface of the bottom of the positioning straight plate 2, and forms an abutting surface with the pressing surface 31 when abutting against the pressing surface 31, so as to facilitate better positioning.

Optionally, the locating face 21 is perpendicular to the nip face 22 at the interface with the blank 5. As shown in fig. 2, the positioning working surface 21 is an irregular surface, and is perpendicular to the pressing surface contact surface 22 at a portion close to the pressing surface 31, wherein the portion in contact with the blank 5 is a right angle, so that the pressing surface contact surface 22 can be well attached to the pressing surface 31, the positioning working surface 21 can be suitable for positioning or limiting any thin-wall blank 5, and the positioning effect is good.

Alternatively, as shown in fig. 2, the contact surface of the positioning straight plate 2 fixed to the mounting plate 1 is a step surface, and one end surface of the mounting plate 1 can be stopped against the step surface to limit. As shown in fig. 2, a step surface is arranged at the lower right corner of the positioning straight plate 2, the step surface is a vertical surface, one end surface of the mounting plate 1 is stopped against the step surface, and the height of the step surface is smaller than that of the end surface of the mounting plate 1, so that the mounting plate 1 and the positioning straight plate 2 are connected and fixed stably in position.

Optionally, as shown in fig. 2, a vertical face 32 of the nip ring is disposed on a side of the nip ring 3 facing the mounting plate 1 in the vertical direction, and the nip ring vertical face 32 is located below the nip surface contact surface 22 and is spaced from the end surface of the mounting plate 1. The vertical surface 32 of the material pressing ring is perpendicular to the material pressing surface 31, when the material pressing surface contact surface 22 on the positioning straight plate 2 is installed on the material pressing surface 31, the vertical surface 32 of the material pressing surface is positioned below the material pressing surface contact surface 22 to form a right-angle surface which is perpendicular to each other, and a gap is reserved between the vertical surface 32 of the material pressing surface and the end surface of the mounting plate 1, so that the whole positioning structure formed by the mounting plate 1 and the positioning straight plate 2 can be adjusted in position on the material pressing ring 3 to position the blank 5.

Optionally, as shown in fig. 2, a screw through hole 11 is formed in the mounting plate 1, a screw hole is formed in the material pressing ring 3, and the screw 4 can be sequentially in threaded connection with the screw through hole 11 and the screw hole to fix the mounting plate 1 on the material pressing ring 3, so that the detachable connection between the whole positioning structure and the material pressing ring 3 is realized, and the mounting is convenient and easy to implement.

Optionally, the screw through hole 11 is a long slot hole. The mounting plate 1 is convenient to adjust the position along the long axis direction of the long slotted hole and is finally clamped and fixed through the screw 4, so that the positioning working surface 21 is stopped against the contour edge of the blank 5.

Optionally, at least two screw through holes 11 are formed in the mounting plate 1, and the long axis directions of the at least two screw through holes 11 are parallel to the plate plane of the positioning straight plate 2. At least two screw through holes 11 are arranged, at least two points between the mounting plate 1 and the material pressing ring 3 are connected through screws 4, rotation and deviation in the material pressing ring 3 are prevented, and positioning stability and reliability are improved.

Optionally, the number of the screw through holes 11 is two, and the screw through holes are arranged at intervals and located on two sides of the plate plane of the positioning straight plate 2 respectively. The installation plate 1 is fixed on the installation plate 1 at intervals and respectively positioned on two sides of the positioning straight plate 2, so that the positioning straight plate 2 can be prevented from rotating after being stressed, and the positioning stability and reliability are improved.

Optionally, the mounting plate 1 and the positioning straight plate 2 are fixed by welding. In this embodiment, the mounting plate 1 and the positioning straight plate 2 are made of steel plates, and are welded and fixed, so that the formed positioning structure is high in strength and accurate in positioning.

It is obvious that the above embodiments of the present invention are only examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Numerous obvious variations, rearrangements and substitutions will now occur to those skilled in the art without departing from the scope of the invention. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.

Claims

1. The positioning structure of the drawing die is characterized by comprising an installation plate and a positioning straight plate, wherein the positioning straight plate is fixedly arranged on the installation plate, a blank is laid on a pressing surface of a pressing ring, the positioning straight plate is provided with a positioning working surface and a pressing surface contact surface, the positioning working surface is abutted against the outline edge of the blank, and the pressing surface contact surface is abutted against the pressing surface.

2. The positioning structure for the drawing die according to claim 1, wherein the nip surface contact surface is a plane surface, and an abutting surface is formed between the nip surface contact surface and the nip surface.

3. The positioning structure for the drawing die as claimed in claim 2, wherein the positioning working surface is perpendicular to the pressing surface contact surface at a contact surface abutting against the blank.

4. The positioning structure of the drawing die as claimed in claim 1, wherein the contact surface of the positioning straight plate fixedly arranged with the mounting plate is a step surface, and the end surface of the mounting plate can be stopped against the step surface to limit.

5. The positioning structure for the drawing die as claimed in claim 4, wherein a vertical face of the material pressing ring is arranged on one side of the material pressing ring facing the mounting plate in the vertical direction, the vertical face of the material pressing ring is positioned below the contact surface of the material pressing surface, and a gap is arranged between the vertical face of the material pressing ring and the end surface of the mounting plate.

6. The positioning structure for the drawing die as claimed in claim 1, wherein a screw through hole is formed in the mounting plate, a screw hole is formed in the material pressing ring, and a screw can be sequentially screwed into the screw through hole and the screw hole to fix the mounting plate to the material pressing ring.

7. The positioning structure for the drawing die as claimed in claim 6, wherein the screw through hole is a slotted hole.

8. The positioning structure for the drawing die as claimed in claim 6, wherein the mounting plate is provided with at least two screw through holes, and the long axis directions of the at least two screw through holes are parallel to the plate plane of the positioning straight plate.

9. The positioning structure of the drawing die as claimed in claim 8, wherein the number of the screw through holes is two, and the screw through holes are arranged at intervals and are respectively located on two sides of the plate plane of the positioning straight plate.

10. The positioning structure for the drawing die as claimed in claim 1, wherein the mounting plate and the positioning straight plate are welded and fixed.