CN110696263A - Lifting type forming mechanism and forming method of automobile roof mold - Google Patents

Abstract

The invention discloses a lift-type molding mechanism and a molding method for a canopy mold of an automobile. The lift-type molding mechanism comprises a mold body, and a region of the mold body corresponding to a molding column is provided with a lift-type molding component, and the lift-type molding component is Either one of the first forming assembly and the second forming assembly, the first forming assembly includes a first movable insert that moves up and down in the vertical direction, the first movable insert is connected to the first driving device, and the second forming assembly includes a The canopy has a second movable insert that moves in the normal direction of any profile surface and the mold opening direction. The second movable insert is connected to the second driving device, and both the first and second movable inserts are provided with heating devices. The above-mentioned lifting forming mechanism not only reduces the risk of cracking of the canopy column during the forming process, but also the movable insert can realize a variety of column mold clearance combinations, adjust the matching gap between the canopy body and the column guard plate, and reduce the number of mold repairs. Reduce mold development costs.

Description

A lift-type forming mechanism and forming method of an automobile canopy mold

technical field

The invention belongs to the automobile canopy processing technology, in particular to a lift-type forming mechanism and a forming method of an automobile canopy mold.

Background technique

At present, the yield rate of many automobile headliner products is not high, and one of the key factors affecting the yield rate is the cracking of the substrate of the headliner body; in particular, the base material in the column area on the headliner body is the most prone to cracking, and the headliner is the interior of the car. For decorative parts, the main engine factory has higher requirements on their appearance, and it is not allowed to have overlapping gaps and mating surface differences between the roof and the column guard, which results in more changes in the design of roof molds, increasing product development costs and costs. cycle.

SUMMARY OF THE INVENTION

The purpose of the present invention is to provide a lift-type forming mechanism of an automobile canopy mold, so as to solve the problem of easy cracking of the base material in the column area existing in the forming process of the automobile canopy in the prior art.

Another object of the present invention is to provide a method for forming an automobile headliner mold, so as to solve the problem of easy cracking of the base material in the column area during the molding process of the vehicle headliner in the prior art.

For this purpose, the present invention adopts the following technical solutions:

A lift-type forming mechanism of an automobile canopy mold, which includes a mold body, wherein a lift-type forming component is provided on the area of the mold body corresponding to a forming column, and the lift-type forming component is a first forming component and a Any one of the second forming assemblies, the first forming assembly includes a first movable insert that moves vertically up and down, the first movable insert is connected to the first driving device, and the second forming assembly includes a first movable insert along the vertical direction. The second movable insert that moves in the normal direction and the mold opening direction of the canopy, the second movable insert is connected to the second drive device, and both the first and second movable inserts are provided with heating device.

In particular, the four corners of the mold body are provided with first forming components for forming the four corner pillars of the automobile headliner, and at least one set of first forming components for molding the side pillars of the automobile headliner are symmetrically arranged on the sides of the mold body. Two molding components.

In particular, corresponding to the first movable insert and the second movable insert, the mold body is provided with a profile detection card used for real-time detection of the forming state of the roof.

In particular, the second movable insert is arranged on the guide block of the movable insert through the guide rail, the setting direction of the guide rail is arranged in the normal direction of the same surface of the roof, and the guide block of the movable insert is connected to the second driving device, so The guide rail is assembled on the mold body through the guide rail fixing block.

In particular, heat shields are installed around the first driving device and the second driving device.

In particular, the bottoms of the first driving device and the second driving device are both installed with adjusting pads.

In particular, both the first driving device and the second driving device use either an oil cylinder or an air cylinder.

In particular, the heating device includes an electric heating tube for heating the corresponding movable block and a thermocouple for monitoring the temperature of the corresponding movable block.

A molding method for a canopy mold of an automobile. In the molding method, when the material enters the mold, the movable insert corresponding to the molding area of the column is lowered, so that the size of the product cavity is reduced along the mold opening direction, and the stretching of the material during molding is reduced. After the canopy body is formed, the movable inserts corresponding to the column forming area are reset to complete the material forming of the column area.

The beneficial effect of the present invention is that, compared with the prior art, the lift-type forming mechanism and forming method of the automobile headliner mold not only reduces the cracking risk of the headliner during the molding process, but also the movable insert can realize various The combination of the gap between the column and the mold can adjust the matching gap between the canopy body and the column guard plate, reduce the number of mold repairs, and reduce the cost of mold development.

Description of drawings

1 is a three-dimensional schematic diagram of a lift-type forming mechanism of an automobile headliner mold provided by a specific embodiment of the present invention;

2 is a perspective structural schematic diagram of a first molding component of a lift-type molding mechanism of an automobile headliner mold provided by a specific embodiment of the present invention;

3 is a schematic three-dimensional structural diagram of a second molding component of a lift-type molding mechanism of an automobile headliner mold provided by a specific embodiment of the present invention;

4 is a cross-sectional view of the second molding component of the lift-type molding mechanism of the automobile headliner mold provided by the specific embodiment of the present invention.

Detailed ways

The technical solutions of the present invention are further described below with reference to the accompanying drawings and through specific embodiments.

In order to facilitate understanding of the present invention, the present invention will be described more fully hereinafter with reference to the related drawings. Preferred embodiments of the invention are shown in the accompanying drawings. However, the present invention may be embodied in many different forms and is not limited to the embodiments described herein. Rather, these embodiments are provided so that a thorough and complete understanding of the present disclosure is provided. It should be noted that when a component is referred to as being "fixed to" another component, it can be directly on the other component or an intervening component may also be present. When a part is said to be "connected" to another part, it can be directly connected to the other part or there may be an intervening part at the same time. The terms "vertical", "horizontal", "left", "right" and similar expressions used herein are for the purpose of illustration only and do not represent the only embodiment. Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terms used herein in the description of the present invention are for the purpose of describing specific embodiments only, and are not intended to limit the present invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

Please refer to FIG. 1 to FIG. 4 , in this embodiment, a lift-type forming mechanism of an automobile canopy mold includes a mold body 1 , and the four corners of the mold body 1 are provided with first forming components for forming four corner pillars of the automobile canopy 2, and the side of the mold body 1 is symmetrically provided with a set of second molding components 3 for molding the side pillars of the automobile headliner. The first molding components 2 and the second molding components The assembly 2 includes a first movable insert 4 that moves up and down in the vertical direction, the first movable insert 4 is connected to the first driving cylinder 5, and the second molding assembly 3 includes a canopy. The second movable insert 6, the second movable insert 6 is set on the movable insert guide block 8 through the guide rail 7, the setting direction of the guide rail 7 is arranged in the normal direction of the same surface of the roof, and the movable insert guide block 8 is connected to the second drive The cylinder 9 and the guide rail 7 are assembled on the mold body 1 through the guide rail fixing block 10. The first movable insert 4 and the second movable insert 6 are provided with electric heating pipes 11 for heating the corresponding movable inserts and for monitoring the corresponding Thermocouple 12 for moving block temperature.

In order to protect the first driving cylinder 5 and the second driving cylinder 9 , a heat shield 13 can be selectively installed around the periphery of the first driving cylinder 5 and the second driving cylinder 9 . The mold body 1 is provided with a profile detection card 14 for real-time detection of the roof forming state corresponding to the first movable insert 4 and the second movable insert 6, and the first driving cylinder 5 and the second driving cylinder 9 as required. An adjustment pad 15 is installed at the bottom.

When the material enters the mold, the first driving cylinder 5 drives the first movable insert 4 to descend, and the second driving cylinder 9 drives the second movable insert 6 to descend, so that the size of the product cavity is reduced along the mold opening direction and the material during molding is reduced. Stretching; after the body is formed, the first driving cylinder 5 and the second driving cylinder 9 move upward to respectively drive the first movable insert 4 and the second movable insert 5 to reset, and then complete the material forming of the column area.

During molding, the adjustable backing plate 15 and the profile detection card 14 are installed on the movable inserts, which can measure the formability of the ceiling column area and the matching gap between the column guard plate in real time according to the profile detection card and the inspection tool. If there is a matching gap, it can be According to the measured value, the fitting clearance can be eliminated by adjusting the backing plate 15 . The second movable insert 6 adjusts the guide rail to move along any profile normal direction and the mold opening direction according to the product shape. The formability of the column position is guaranteed. The electric heating tube 11 is responsible for heating the insert, and the thermocouple 12 is responsible for monitoring the temperature of the insert. Therefore, no matter the cold forming mold or the hot forming mold, the forming temperature of the column position can be guaranteed, so that the product can be formed at the required temperature.

Note that the above are only preferred embodiments of the present invention and applied technical principles. Those skilled in the art will understand that the present invention is not limited to the specific embodiments described herein, and various obvious changes, readjustments and substitutions can be made by those skilled in the art without departing from the protection scope of the present invention. Therefore, although the present invention has been described in detail through the above embodiments, the present invention is not limited to the above embodiments, and can also include more other equivalent embodiments without departing from the concept of the present invention. The scope is determined by the scope of the appended claims.

Claims (9)

1. The lifting type forming mechanism of the automobile roof mold comprises a mold body and is characterized in that lifting type forming assemblies are arranged on regions, corresponding to forming stand columns, of the mold body and are any one of a first forming assembly and a second forming assembly, the first forming assembly comprises a first movable insert moving in a lifting mode along the vertical direction, the first movable insert is connected with a first driving device, the second forming assembly comprises a second movable insert moving along the normal direction and the mold opening direction of any molding surface of the roof, the second movable insert is connected with a second driving device, and heating devices are arranged in the first movable insert and the second movable insert.

2. The over-and-under type molding mechanism for automobile roof mold as claimed in claim 1, wherein the four corners of the mold body are provided with first molding components for molding the pillars at the four corners of the automobile roof, and the side edges of the mold body are symmetrically provided with at least one set of second molding components for molding the pillars at the side edges of the automobile roof.

3. The lifting type forming mechanism of the automobile roof mold according to claim 1 or 2, wherein the mold body is provided with a profile detection snap gauge corresponding to the first movable insert and the second movable insert for detecting the forming state of the roof in real time.

4. The elevating type molding mechanism of automobile ceiling mold as claimed in claim 1, wherein the second movable insert is disposed on a movable insert guide block through a guide rail, the guide rail is disposed in a direction matching with the ceiling in a normal arrangement with the molding surface, the movable insert guide block is connected to a second driving device, and the guide rail is assembled on the mold body through a guide rail fixing block.

5. The elevating molding mechanism for a mold for a sunroof according to claim 1, wherein the first driving device and the second driving device are installed with heat insulation plates around each.

6. The elevating molding mechanism for a mold for a sunroof according to claim 1, wherein the first driving device and the second driving device are each provided with an adjusting pad at a bottom thereof.

7. The elevating molding mechanism for a mold for a sunroof according to claim 1, wherein the first driving device and the second driving device are both oil cylinders or air cylinders.

8. The elevating molding mechanism for a mold for automotive headliner as recited in claim 1, wherein the heating device comprises an electric heating tube for heating the corresponding movable insert and a thermocouple for monitoring the temperature of the corresponding movable insert.

9. A forming method of an automobile roof mould is characterized in that: the automobile ceiling mould is provided with the lifting type forming mechanism as claimed in any one of claims 1 to 8, in the forming method, when materials enter the mould, the movable insert corresponding to the stand column forming area descends, so that the size of a product cavity is reduced along the mould opening direction, the material stretching during forming is reduced, and after the forming of the ceiling body is finished, the movable insert corresponding to the stand column forming area resets, and the forming of the materials in the stand column area is finished.

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