CN114101525A

CN114101525A - Vehicle sealing rubber fixing seat closing-in forming structure and method

Info

Publication number: CN114101525A
Application number: CN202111431352.9A
Authority: CN
Inventors: 唐敏; 马晓东; 杨莹; 潘科全; 韩家玉
Original assignee: Chongqing Tiema Industries Group Co ltd
Current assignee: Chongqing Tiema Industries Group Co ltd
Priority date: 2021-11-29
Filing date: 2021-11-29
Publication date: 2022-03-01

Abstract

The invention discloses a closing-up forming structure and a closing-up forming method for a vehicle sealing rubber fixing seat, wherein the closing-up forming structure comprises two closing-up dies, the closing-up dies are disc-shaped, annular forming openings are formed in the top surfaces of the two closing-up dies along the edges of the closing-up dies, the included angle between the bottom surface and the side wall of each annular forming opening is smaller than 90 degrees, and when the two closing-up dies are close to each other until the outer walls of the two closing-up dies can be mutually abutted in a rolling manner, the two annular forming openings are spliced to form a forming cavity matched with the cross section of the annular edge of the sealing rubber fixing seat. According to the necking forming method, two necking dies are spliced and roll oppositely to perform necking forming, and the necking forming structure and the necking forming method for the sealing rubber fixing seat of the vehicle are convenient to operate, can effectively solve the problem that a U-shaped part is difficult to close and form, and are convenient to remove materials.

Description

Vehicle sealing rubber fixing seat closing-in forming structure and method

Technical Field

The invention relates to the field of automobile part processing, in particular to a closing-up forming structure and method for a vehicle sealing rubber fixing seat.

Background

At present, the window and door of special vehicles are mostly sealed by adopting a sealing rubber fixing seat, the sealing rubber fixing seat is mostly in an annular body connected end to end, such as a rectangular ring, an elliptical ring or a trapezoidal ring, and the cross section of the sealing rubber fixing seat is in a U shape with an opened top surface and a retracted top surface.

The traditional sealing rubber fixing seat closing-in mode has two kinds: 1. the straight line section is formed by bending, and the arc part is welded and formed by a tailor welding mode; 2. after the forming is carried out through a die, the manual shape correction and closing-up forming are adopted. Although the two methods can produce qualified sealing rubber fixing seats, the two methods have low production efficiency and poor consistency of product quality, increase the production cost and are not suitable for mass production; in addition, because the opening of the rubber fixing seat is inwards folded, the two modes also have the problem that the materials are not easy to fall off.

Disclosure of Invention

Aiming at the defects in the prior art, the invention aims to provide a closing-up forming structure and method for a vehicle sealing rubber fixing seat, which are convenient to operate, can effectively solve the problem of difficult closing-up forming of U-shaped parts, are convenient to strip materials, and can meet the production requirements of large-batch parts.

In order to achieve the purpose, the invention is realized by the following technical scheme: a vehicle sealing rubber fixing seat closing-in forming structure comprises:

including two binding off moulds, the binding off mould is the disc, two annular one-tenth die orifice has all been seted up along its edge to the top surface of binding off mould, just contained angle between the bottom surface of annular one-tenth die orifice and the lateral wall is less than 90, as two the binding off mould is close to two each other during the butt that binding off mould outer wall can roll each other, two annular one-tenth die orifice concatenation is the one-tenth die cavity with the cross section adaptation on the annular limit of sealing rubber fixing base.

Further, the closing-up die comprises two roller shafts, the two roller shafts can be close to each other, shaft holes are formed in the centers of the closing-up dies, and the two closing-up dies are respectively sleeved on the two roller shafts through the shaft holes in the closing-up dies.

Further, the two roller shafts are arranged in parallel.

Furthermore, an included angle between the side wall and the bottom surface of the annular forming opening is equal to an included angle between the side wall and the bottom surface of the annular edge.

Further, the round angle between the side wall and the bottom surface of the annular forming opening is equal to the round angle between the side wall and the bottom surface of the annular edge.

Further, the depth of the annular forming opening is larger than the height of the annular edge.

Further, the width of the annular forming opening is smaller than one half of the width of the annular edge.

A vehicle sealing rubber fixing seat closing-in forming method adopts any one of the vehicle sealing rubber fixing seat closing-in forming structures, and comprises the following steps:

preparing a to-be-closed part with a U-shaped cross section of the annular edge according to the size of a product;

placing the annular edge between two closing-in dies, and adjusting the distance between central axes of the two closing-in dies until the two annular forming ports of the two closing-in dies wrap and press the annular edge from the inner edge and the outer edge of the annular edge respectively;

and driving the two closing-up dies to roll in opposite directions to perform closing-up forming processing.

Further, the method also comprises the following steps:

processing an annular blank according to the size of the product;

and stamping the annular blank into an annular to-be-closed piece with a U-shaped cross section through a stamping die.

The invention has the beneficial effects that:

the vehicle sealing rubber fixing seat closing-in forming structure and method comprise two closing-in dies, wherein the closing-in dies are disc-shaped, annular forming openings are formed in the top surfaces of the two closing-in dies along the edges of the closing-in dies, included angles between the bottom surfaces and the side walls of the annular forming openings are smaller than 90 degrees, and when the two closing-in dies are close to the two closing-in dies and abut against the outer walls of the two closing-in dies, the two annular forming openings are spliced to form a forming cavity matched with the cross section of the annular edge of the sealing rubber fixing seat.

When closing up the machine-shaping, place the annular limit of treating the piece of closing up between two closing up moulds, finally, adjust the distance between two closing up moulds, when making two closing up moulds be close to each other to the butt that the outer wall can roll each other, annular forming mouth compresses tightly annular limit parcel from the inside and outside limit on annular limit respectively this moment, it rotates in opposite directions to roll closing up the mould when two, through frictional force, drive annular limit and remove, at the in-process of annular limit motion, two annular forming mouths close up the shaping to inside even the going on of two straight flanges on annular limit, along with annular limit continues to move, until whole part closing up shaping, after accomplishing the shaping of closing up, drive two gyro wheel axles separately, will become the part of accomplishing and take off can.

Adopt above-mentioned binding off forming structure, mode convenient operation can effectively solve the problem of U-shaped part binding off shaping difficulty, simultaneously, because in the course of working, the mold processing is not located and receives mouthful, then can be convenient take off the material, simultaneously, because convenient operation, take off the material convenience, can adopt mass production.

Drawings

In order to more clearly illustrate the embodiments of the present invention, the drawings, which are required to be used in the embodiments, will be briefly described below. In all the drawings, the elements or parts are not necessarily drawn to actual scale.

FIG. 1 is a front view of a sealing rubber mount used in the prior art;

FIG. 2 is a cross-sectional view of the annular rim of a sealing rubber mount commonly used in the art shown in FIG. 1;

fig. 3 is a schematic view of a closing-up forming structure of a vehicle sealing rubber fixing seat according to an embodiment of the present invention;

FIG. 4 is a schematic view of a necking die in the necking forming structure of the vehicle sealing rubber fixing seat shown in FIG. 1;

fig. 5 is a schematic view of a closing-up molding structure of the vehicle sealing rubber fixing seat shown in fig. 1, in a state of closing-up molding of a circular sealing rubber fixing seat;

fig. 6 is a schematic view of a closing-up forming structure of the vehicle sealing rubber fixing seat shown in fig. 1, in a state of performing closing-up forming processing on an elliptical sealing rubber fixing seat:

FIG. 7 is a schematic view of an annular blank processed by a method for forming a closed end of a rubber seat for a vehicle according to an embodiment;

FIG. 8 is a schematic view of a to-be-closed member after stamping an annular blank by using a closing-up forming method of a vehicle sealing rubber fixing seat in an embodiment;

fig. 9 is a flowchart of a method for forming a closing opening of a rubber sealing fixing seat of a vehicle according to an embodiment.

100. Closing the die; 110. an annular forming port; 120. a shaft hole; 130. a molding cavity;

200. a roller shaft.

Detailed Description

Embodiments of the present invention will be described in detail below with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and therefore are only examples, and the protection scope of the present invention is not limited thereby.

Referring to fig. 1 to 9, the present invention provides a closing-in forming structure and method for a vehicle sealing rubber fixing seat, including two closing-in molds 100, the closing-in molds 100 are disc-shaped, the top surfaces of the two closing-in molds 100 are both provided with annular forming openings 110 along the edges thereof, an included angle between the bottom surfaces and the side walls of the annular forming openings 110 is less than 90 °, and the annular forming openings 110 are used for closing-in forming. When the two closing-in molds 100 are close to each other and abut against each other, the outer walls of the two closing-in molds can roll against each other, the two annular forming openings 110 are spliced to form a forming cavity 130 matched with the cross section of the annular edge of the sealing rubber fixing seat.

During the use, the annular limit of the sealed rubber fixing base raw materials that will close up is between two binding off moulds 100, and drive two when two binding off moulds 100 are close to each other and can mutual rolling mutual butt when the outer wall, until two annular forming mouths 110 compress tightly the annular limit parcel respectively from the inside and outside limit of annular limit (see figure 5), when two gyro wheel axles 200 rotate in opposite directions, through frictional force, drive the annular limit and remove, at the in-process of annular limit motion, two annular forming mouths 110 are to the inside even shaping of closing up that carries on of two straight flanges on annular limit, along with the annular limit continues to remove, until whole part binding off shaping, after accomplishing the shaping of closing up, drive two binding off moulds 100 separately can.

Referring to fig. 3 and 4, in order to facilitate driving of the necking die 100, the necking forming structure of the sealing rubber fixing seat of the vehicle further includes two roller shafts 200, and the two roller shafts 200 can approach each other. The centers of the two closing-up molds 100 are both provided with shaft holes 120, the two closing-up molds 100 are respectively sleeved on the two roller shafts 200 through the shaft holes 120 thereon, when in use, the roller shafts 200 can be arranged on a rib rolling machine or other mechanisms capable of driving the roller shafts 200 to roll, and the centers of the two roller shafts 200 can be relatively close to or move away from each other. When the two closing-up dies 100 are driven by the two roller shafts 200 to approach each other until the outer walls can roll against each other, the two annular forming openings 110 are spliced to form a forming cavity 130 matched with the cross section of the annular edge of the sealing rubber fixing seat.

In specific implementation, the two roller shafts 200 may be parallel or crossed, as long as it is ensured that the two annular forming openings 110 are close to each other and spliced to form the forming cavity 130 to fit the cross section of the sealing rubber fixing seat. Preferably, in the present embodiment, the roller shafts 200 are arranged in parallel, and the parallel arrangement can reduce the processing method of the roller shafts 200 and the difficulty in mounting the roller shafts 200, thereby improving the working efficiency.

When closing and processing molding, processing an annular blank (see fig. 7), stamping the annular blank to form a to-be-closed part, enabling the cross section of an annular edge of the to-be-closed part to be U-shaped (see fig. 8), then placing the annular edge of the to-be-closed part between two closing dies 100, finally, adjusting the distance between two roller shafts 200 to enable the two closing dies 100 to approach to each other until the outer walls of the two closing dies can be mutually rolled and abutted, until the annular edge 110 wraps and tightly presses the annular edge from the inner edge and the outer edge of the annular edge (see fig. 5), when the two roller shafts 200 rotate oppositely, driving the annular edge to move through friction force, in the process of the movement of the annular edge, enabling the two annular forming ports 110 to uniformly close and mold the two straight edges of the annular edge inwards, continuing to move along with the annular edge until the whole part is closed and after the closing and molding is completed, the two roller shafts 200 are driven apart and the finished part is removed.

In this embodiment, the included angle between the side wall and the bottom surface of the annular forming opening 110 is equal to the included angle between the side wall and the bottom surface of the annular edge of the product, and the fillet between the side wall and the bottom surface of the annular forming opening 110 is equal to the fillet between the side wall and the bottom surface of the annular edge of the product, so that the included angle of the product for producing and discharging is consistent with the fillet and the designed data.

Preferably, the depth of the annular forming opening 110 is greater than the height of the annular rim of the product. So as to ensure that the part can be completely closed and molded. In practice, the depth of the annular forming opening 110 is generally selected to be greater than the height of the annular edge of the final product by about 1-3 mm.

In a preferred embodiment, the width of the annular forming opening 110 is less than one-half of the width of the annular rim. Not only is: the sum of the widths of the two annular forming openings 110 is less than the width of the annular edge of the final product to ensure that the part can be compressed when the roller is adjusted up and down. In general, the value is generally 0.1 to 0.2 mm.

The invention also provides a vehicle sealing rubber fixing seat closing-in forming method, which adopts the vehicle sealing rubber fixing seat closing-in forming structure for realizing the method, and specifically comprises the following steps:

s110: preparing a to-be-closed part with a U-shaped cross section of an annular edge and a closing die 100 according to the size of a product;

specifically, the necking die 100 should satisfy the following dimensions: assuming that the size of the necking die 100 is shown in fig. 4, the size of two necking dies 100 after splicing is shown in fig. 3: during the processing, the value of (M1+ M1) is less than M, and the value is generally 0.1-0.2 mm; r2 is equal to R; β 2 equals β; b2 equals B; h2 is slightly larger than H, and in particular practice, it is generally larger than 1-3 mm.

S120: placing the annular edge between two closing-in dies 100, and adjusting the distance between the central axes of the two closing-in dies 100 until the two annular forming ports 110 of the two closing-in dies 100 wrap and press the annular edge from the inner edge and the outer edge of the annular edge respectively;

referring to fig. 5 and fig. 6, specifically, the annular edge of the to-be-closed piece is placed between two closing dies 100, and the distance between the central axes of the two closing dies 100 is adjusted to move the two closing dies 100 toward each other until the two annular forming ports 110 of the two closing dies 100 respectively wrap and press the annular edge from the inner and outer sides of the annular edge of the to-be-closed piece.

S130: and driving the two closing-in dies 100 to roll oppositely to perform closing-in forming processing.

Specifically, when the two closing-in molds 100 rotate in opposite directions, the annular edge is driven to move through friction, in the moving process, the two annular forming ports 110 uniformly close and form the two straight edges of the annular edge inwards until the annular edge of the whole part is closed and formed, and after the closing-in forming is completed, the two roller shafts 200 are driven to be separated, so that the finished part can be taken down.

As a preferred embodiment, the part to be closed can be processed in the following way:

firstly, according to the product size, processing an annular blank: blanking according to the product design drawing of the vehicle sealing rubber fixing seat (see fig. 7), wherein the width dimension of the annular edge of the annular blank is the expansion dimension of the cross section of the annular edge of the sealing rubber fixing seat product during blanking.

Secondly, stamping the annular blank into a to-be-closed part with a U-shaped cross section of an annular edge through a stamping die: specifically, according to a design drawing, a stamping die is processed, and the annular blank is stamped into a to-be-closed part with a U-shaped cross section of an annular edge through the stamping die: assuming that the cross section of the product annular edge of the vehicle sealing rubber fixing seat is shown in FIG. 2, and the cross section of the annular edge of the to-be-closed member is shown in B-B in FIG. 8, M1 should be equal to M, R1, slightly larger than R, B1, slightly larger than B, H1 and slightly larger than H.

Of course, in other embodiments, the member to be closed may be formed by other processing forms, such as die-casting or manual bending.

When the closing device is used, the annular edge of the to-be-closed part is placed between the two closing dies 100, the distance between the central axes of the roller shafts 200 is adjusted, the two closing dies 100 move oppositely until the two annular forming ports 110 of the two closing dies 100 respectively wrap and press the annular edge from the inner edge and the outer edge of the annular edge of the to-be-closed part, so that closing operation can be performed.

By adopting the closing-up forming method, the mode is convenient to operate, the problem of difficult closing-up forming of the U-shaped part can be effectively solved, meanwhile, because the processing die is not positioned in the closing-up port in the processing process, the material can be conveniently taken off, and meanwhile, because the operation is convenient and the material taking-off is convenient, the mass production can be adopted.

The above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention, and they should be construed as being included in the following claims and description.

Claims

1. The utility model provides a vehicle sealing rubber fixing base binding off forming structure, a serial communication port, including two binding off moulds, the binding off mould is the disc, two annular becomes mouthful along its edge has all been seted up to the top surface of binding off mould, just contained angle between the bottom surface of annular becomes mouthful and the lateral wall is less than 90, works as two the binding off mould is close to two each other during the butt that binding off mould outer wall can roll each other, two annular becomes mouthful concatenation is the shaping chamber with the cross section adaptation on the annular limit of sealing rubber fixing base.

2. The closing-up forming structure of a vehicle sealing rubber fixing seat according to claim 1, further comprising two roller shafts, wherein the two roller shafts can approach each other, the centers of the two closing-up molds are respectively provided with a shaft hole, and the two closing-up molds are respectively sleeved on the two roller shafts through the shaft holes thereon.

3. The necking forming structure for the vehicle sealing rubber fixing seat according to claim 2, wherein the two roller shafts are arranged in parallel.

4. The vehicle sealing rubber fixing seat necking forming structure of claim 1, wherein an included angle between the side wall and the bottom surface of the annular forming opening is equal to an included angle between the side wall and the bottom surface of the annular edge.

5. The vehicle sealing rubber fixing seat necking structure of claim 4, wherein the round angle between the side wall and the bottom surface of the annular forming opening is equal to the round angle between the side wall and the bottom surface of the annular edge.

6. The vehicle sealing rubber fixing seat necking structure of claim 5, wherein the depth of the annular forming opening is greater than the height of the annular edge.

7. The vehicle sealing rubber fixing seat necking structure of claim 6, wherein the width of the annular forming opening is less than half of the width of the annular edge.

8. A vehicle sealing rubber fixing seat closing-up forming method, which utilizes the vehicle sealing rubber fixing seat closing-up forming structure as claimed in any one of claims 1 to 7, and is characterized by comprising the following steps:

preparing a to-be-closed part with a U-shaped cross section of an annular edge and a closing die according to the size of a product;

9. The necking forming method of the vehicle sealing rubber fixing seat according to claim 8, further comprising the following steps:

processing an annular blank according to the size of the product;