CN112845850B

CN112845850B - Method for processing a product

Info

Publication number: CN112845850B
Application number: CN202110028258.2A
Authority: CN
Inventors: 郑荣平; 赵国文; 李剑华; 王庆远; 刘丽
Original assignee: Kunshan Daya Auto Parts Co ltd
Current assignee: Kunshan Daya Auto Parts Co ltd
Priority date: 2021-01-09
Filing date: 2021-01-09
Publication date: 2023-01-13
Anticipated expiration: 2041-01-09
Also published as: CN112845850A

Abstract

The invention discloses a processing method for processing a product, the product comprises a body part and an arc hole part formed on one side of the body part, the arc hole part is in an arc shape of a vertical surface, and the processing method comprises the following steps: and pressing the upper die on the lower die, wherein the upper die and the lower die simultaneously perform one-step forming on the arc hole part under the state of being positioned by the positioning part, and the body part is subjected to drawing forming. The invention can simultaneously carry out the forming process and the drawing process, thereby saving the time for processing the product and improving the efficiency for processing the product. The problems of small cutting space and small cutting strength in the area where the front trimming knife and the side trimming knife are connected in cutting are solved, and the complexity of the drawing forming process in actual manufacturing is reduced. Further, it is possible to realize cutting of a web having a thickness exceeding 1mm, for example, 2.4mm, and the thickness of the web can be increased. Thereby increasing the use scenes of the processing method.

Description

Method for processing a product

Technical Field

The invention relates to the field of product processing, in particular to a processing method for processing a product.

Background

A processing method for processing a product is a method of forming and drawing a web. The forming means that the material sheet is directly placed on the lower die, the upper die and the lower die are closed, the material sheet is in a flowing state under the action of pressure, and the material sheet is formed into a certain shape by the lower die and the upper die. Drawing refers to a cold stamping process in which the edge of a material sheet is fixed by using a blank holder and then the edge of the material sheet is deep-drawn. In the existing drawing forming method, the drawing process and the forming process are carried out separately, so that the time is wasted and the efficiency is not high. In addition, the web is a flat one piece flitch. The existing processing method for processing the product needs to cut the product through a front trimming cutter and a side trimming cutter after a material sheet is drawn and molded, but the arc shape of the lower die is more three-dimensional, so that the cutting space in the area where the front trimming cutter and the side trimming cutter are connected is small, the cutting strength is small, and the operation of the processing method in actual production is complex.

Disclosure of Invention

In order to overcome the defects in the prior art, embodiments of the present invention provide a processing method for processing a product, which is used to solve the above problems of time waste, low efficiency and complex operation.

The embodiment of the application discloses: a processing method for processing a product including a body portion and a circular arc hole portion formed at one side of the body portion, the circular arc hole portion having a vertical arc shape, comprising the steps of: and pressing the upper die on the lower die, simultaneously molding the arc hole part by the upper die and the lower die in a positioning state through the positioning part, and drawing and molding the body part.

Further, after the step of "pressing the upper die on the lower die, in this case, the upper die and the lower die simultaneously perform one-step forming of the circular arc hole portion in a state of being positioned by the positioning portion, and performing drawing forming of the main body portion", the method further includes: and cutting the part subjected to drawing forming.

The product further comprises a first turnover part which is connected to the body and connected with the arc hole part, and the step of pressing the upper die on the lower die comprises the step of simultaneously carrying out one-step forming on the arc hole part under the state that the upper die and the lower die are positioned by the positioning part and carrying out drawing forming on the body part, wherein the step of simultaneously carrying out one-step forming on a line segment of the first turnover part adjacent to the arc hole part; after the mould is formed, cutting other line segments of the first folding part; and folding and forming the first folding part after the cutting is finished.

The product further comprises a second folded part connected to the body, wherein the upper die is pressed on the lower die in the step of pressing, at the moment, the arc hole part is simultaneously formed in one step by the upper die and the lower die in a positioning state through the positioning part, the body part is subjected to drawing forming, the second folded part is simultaneously subjected to pretreatment, after the pretreatment, the line segment of the second folded part is cut, and the second folded part is subjected to folding forming after the cutting.

The invention has the following beneficial effects:

1. the forming part is formed and simultaneously drawn by the drawing part, so that the forming process and the drawing process can be simultaneously carried out, the product processing time is saved, and the product processing efficiency is improved.

2. The arc hole part can be integrally formed due to the forming hole formed in the product, so that the problems of small cutting space and small cutting strength in the joint area of the front trimming cutter and the side trimming cutter in the cutting step are solved, and the complexity of the drawing forming process in actual manufacturing is reduced.

3. It is possible to cut a web having a thickness of more than 1mm, for example 2.4mm, and the thickness of the web can be increased. Thereby increasing the use scenes of the processing method.

In order to make the aforementioned and other objects, features and advantages of the invention comprehensible, preferred embodiments accompanied with figures are described in detail below.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a top view of a mold tooling mechanism for tooling a product in an embodiment of the present invention;

FIG. 2 is a schematic structural diagram of a mold processing mechanism for processing a product according to an embodiment of the present invention;

FIG. 3 is a detail view of a mold tooling mechanism for tooling a product in an embodiment of the present invention;

reference numbers to the above figures: 1. a lower die; 11. a projection; 2. a positioning part; 21. a first positioning hole; 3. a molding section; 4. a drawing portion; 5. a pretreatment section; 51. a first wall surface; 52. a second wall surface.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.

As shown in fig. 1 to 3, in the processing method for processing a product of the present embodiment, the product includes a body portion and a circular-arc hole portion formed on one side of the body portion, the circular-arc hole portion having a vertical-face arc shape. The vertical arc is an arc with offset in the X-axis, Y-axis and Z-axis directions.

The processing method comprises the following steps:

the upper die is pressed on the lower die 1, and at this time, the arc hole part is formed at one time by the upper die and the lower die 1 in a state of being positioned by the positioning part 2, and the body part is drawn.

A mould processing agency for being directed at product processing includes:

the

positioning parts

2, 2 can be respectively arranged at corresponding positions of the lower die 1 and the upper die, so that the upper die can correspond to the lower die 1 in the process of moving the upper die to the lower die 1 and closing the die. The positioning part 2 may include two first positioning holes 21 provided on the lower mold 1 and two second positioning holes provided on the upper mold, and the size of the two first positioning holes 21 and the size of the two second positioning holes may be the same, and the distance between the two first positioning holes 21 and the distance between the two second positioning holes may be the same. When a product is placed on the lower mold 1, it may correspond to the first positioning hole 21, so that the positioning portion 2 realizes an effect of positioning the product.

The forming part 3, forming part 3 can be including setting up the bulge 11 on lower mould 1, and the bulge 11 can be for the facade arc that corresponds with circular arc hole portion, and the bulge 11 can be for all having the arc of skew in X axle, Y axle and the three orientation of Z axle, and just placing in bulge 11 of circular arc hole portion. Therefore, when a product is molded, the molding portion 3 can mold the arc hole portion at one time after the upper mold and the lower mold 1 are closed.

The drawing part 4, the drawing part 4 may include a side wall of the lower die 1 and a bottom of the lower die 1, and the drawing part 4 is used for drawing and forming the body.

In the present embodiment, the product has a molding hole that is provided opposite the molding portion 3 before processing to form the circular-arc hole portion. Before the product is processed, the product can be a whole material plate on the same plane. The molding hole is molded as a circular arc hole portion in the molding portion 3 in the process of closing the upper mold and the lower mold 1.

By means of the method, the forming part 3 is formed and simultaneously drawn by the drawing part 4, the forming process and the drawing process can be simultaneously carried out, the product processing time is saved, and the product processing efficiency is improved. In addition, the forming holes are formed in the product, so that the arc hole parts can be integrally formed, the problems of small cutting space and small cutting strength in the area where the front trimming cutter and the side trimming cutter are connected in cutting are solved, and the complexity of the drawing forming process in actual manufacturing is reduced.

Specifically, after the step of pressing an upper die on a lower die 1, and simultaneously forming an arc hole portion and drawing a main body portion of the upper die and the lower die 1 in a state of being positioned by a positioning portion 2, the method further includes: and cutting the drawn part.

In an alternative embodiment, the cutting is performed along the middle area of the side wall of the lower die 1, so that the lower part of the middle area of the side wall of the lower die 1 is removed.

In another alternative embodiment, the cutting is performed symmetrically along the middle area of the top of the lower die 1, so that the product in the middle area of the top of the lower die 1 is removed.

In another alternative embodiment, the cutting is performed along the edge of the position fixing portion 2, so that the product located in the position fixing portion 2 is removed.

By the method, the drawn and formed product can be cut into a required shape.

Specifically, the product may further include a first folding portion (not shown) connected to the body and connected to the circular arc hole portion. The first fold is located on the portion of the product on the side of the lower die 1 after the drawing. The method comprises the steps of pressing an upper die on a lower die 1, simultaneously forming an arc hole part by the upper die and the lower die 1 in a positioning state through a positioning part 2, and simultaneously forming a line segment of a first turnover part adjacent to the arc hole part by drawing a body part; cutting other line segments of the first folding part after the die is formed; and folding and forming the first folding part after the cutting is finished.

In particular, the product further comprises a second flap (not shown) connected to the body. The second fold-over portion may be located on a portion of the draw-formed product on the upper surface of the lower die 1. The method comprises the steps of pressing an upper die on a lower die 1, simultaneously forming the arc hole part by the upper die and the lower die 1 in a one-step mode in a state of being positioned by a positioning part 2, drawing and forming the body part, simultaneously preprocessing the second folded part, cutting a line segment of the second folded part after preprocessing, and folding and forming the second folded part after cutting.

In the present embodiment, two sides of the top of the lower mold 1 are partially lower than the middle, so that a certain height difference exists between the middle area and the two sides of the top of the lower mold 1 within a certain range. The pretreatment part 5 is an arc shape connecting the middle and two sides of the top of the lower die 1, and the arc shape is arranged in the direction protruding out of the lower die 1. In the pretreatment, the molding section 3 molds the product so that the product on the pretreatment section 5 is formed in an arc shape. After cutting, the second folded part can be folded relative to the body part of the product. Thereby realizing the effect of turning over the second turnover part.

Specifically, the drawing portion 4 may be located outside the forming portion 3. So that the forming part 3 and the drawing part 4 can work to produce the effects of inside forming and outside drawing on the product. Wrinkles are prevented from being generated at the time of molding.

In particular, the web of product forming material may have a thickness of 2.4mm. The product is provided with the circular hole part, so that the product is prevented from being cut for obtaining the circular hole part after drawing forming. Because the product before drawing and forming can be in a flat plate state, the cutting knife can cut the product just when cutting, so that the problem that the cutting space of the cutting knife is small can be avoided. So that cutting of a web having a thickness of more than 1mm, for example 2.4mm, can be achieved and the thickness of the web can be increased. Thereby increasing the use scenes of the processing method.

Specifically, the bottom of the drawing portion 4 may be a flat surface, so that the product at the bottom of the drawing portion 4 may be pressed against the flat surface after the step of draw forming. The plane is easier to cut than the arc-shaped plane or other irregular planes, so that the difficulty degree of cutting a product can be reduced, and the processing efficiency of the processing method is improved.

Specifically, the drawing portion 4 may have a side wall, and the side wall may include a first wall surface 41 that is linear and a second wall surface 42 that is connected to the first wall surface 41, and the second wall surface 42 may have an inwardly concave arc shape. That is, the second wall surface 42 may connect the bottom and the side wall of the drawing section 4. So that when the product is drawn and delayed by the drawing part 4, the product in the drawing part 4 can be in an arc shape at the part from the side part to the bottom part, thereby preventing the product from being broken due to excessive deformation. The safety of the processing method in the using process is improved.

The principle and the implementation mode of the invention are explained by applying specific embodiments in the invention, and the description of the embodiments is only used for helping to understand the method and the core idea of the invention; meanwhile, for a person skilled in the art, according to the idea of the present invention, there may be variations in the specific embodiments and the application scope, and in summary, the content of the present specification should not be construed as a limitation to the present invention.

Claims

1. A processing method for processing a product including a body portion and an arc hole portion formed at a side of the body portion, the arc hole portion having an arc shape in a vertical plane, comprising the steps of:

pressing an upper die on a lower die, simultaneously molding the arc hole part once by the upper die and the lower die in a state of being positioned by a positioning part, and drawing and molding the body part;

the product is provided with a forming hole which is arranged opposite to the forming part so as to form an arc hole part before processing, and the product is a whole material plate in the same plane before processing; the forming hole is formed into an arc hole part at the forming part in the process of closing the upper die and the lower die;

a mould processing agency for being directed at product processing includes:

the positioning parts are respectively arranged at corresponding positions of the lower die and the upper die, so that the upper die can correspond to the lower die in the process that the upper die moves towards the lower die and is matched, the positioning parts comprise two first positioning holes arranged on the lower die and two second positioning holes arranged on the upper die, the sizes of the two first positioning holes are the same as those of the two second positioning holes, the distance between the two first positioning holes is the same as that between the two second positioning holes, and when a product is placed on the lower die, the positioning parts correspond to the first positioning holes, so that the positioning parts can realize the effect of positioning the product;

the forming part comprises a convex part arranged on the lower die, the convex part is in an elevation arc shape corresponding to the arc hole part, the convex part is in an arc shape with offset in the X axis, the Y axis and the Z axis, and the arc hole part can be just placed on the convex part, so that when a product is formed, after the upper die and the lower die are assembled, the forming part can form the arc hole part at one time;

the drawing part comprises a side wall of the lower die and a bottom of the lower die, the drawing part is used for drawing and forming the body part, the drawing part is provided with a side wall, the side wall comprises a linear first wall surface and a second wall surface connected with the first wall surface, and the second wall surface is in an inwards-concave arc shape.

2. The processing method for processing a product according to claim 1, wherein, after the step of "pressing the upper die on the lower die while the upper die and the lower die simultaneously perform one-shot forming of the circular-arc hole portion and draw forming of the body portion in a state of being positioned by the positioning portion", further comprising:

and cutting the drawn part.

3. The method as claimed in claim 1, wherein the product further comprises a first folded portion connected to the body and connected to the circular-arc hole portion, and wherein the step of pressing the upper die against the lower die while the upper die and the lower die are positioned by the positioning portion simultaneously forms the circular-arc hole portion at one time and the step of drawing the body portion further comprises simultaneously forming a line segment of the first folded portion adjacent to the circular-arc hole portion at one time; cutting other line segments of the first folding part after the die is formed; and folding and forming the first folding part after the cutting is finished.

4. The method as claimed in claim 1, wherein the product further comprises a second folded portion connected to the body, and the step of pressing the upper die against the lower die while the upper die and the lower die simultaneously form the circular arc hole portion in a state of being positioned by the positioning portion and draw-forming the body further comprises simultaneously preprocessing the second folded portion, cutting a line segment of the second folded portion after the preprocessing, and folding and forming the second folded portion after the cutting.