CN113021912A

CN113021912A - Forming device and forming method

Info

Publication number: CN113021912A
Application number: CN201911248230.9A
Authority: CN
Inventors: 苏佳智; 熊文磊; 米高; 陈萍; 刘卫平; 戚经革; 宋天成; 刘小林; 徐应强; 于晶晶; 韩小勇; 闫超; 安慎慎; 王霖; 邱春亮
Original assignee: Commercial Aircraft Corp of China Ltd; Shanghai Aircraft Manufacturing Co Ltd
Current assignee: Commercial Aircraft Corp of China Ltd; Shanghai Aircraft Manufacturing Co Ltd
Priority date: 2019-12-09
Filing date: 2019-12-09
Publication date: 2021-06-25
Anticipated expiration: 2039-12-09
Also published as: CN113021912B

Abstract

The invention belongs to the technical field of production and manufacturing of composite materials, and discloses a forming device and a forming method. The molding device includes: the frame is used for bearing a workpiece to be formed; the positioning mechanism is detachably connected to the frame and used for positioning a workpiece to be formed; the fixing mechanism is arranged on the frame and used for fixing the workpiece to be formed; the gluing mechanism is positioned below the frame and used for bearing the skin; and the turnover mechanism is connected to the frame and is configured to drive the frame to turn over to the gluing mechanism so that the workpiece to be formed is glued with the skin. The forming device adopts the positioning mechanism to position the workpiece to be formed, ensures the positioning precision of the workpiece to be formed, utilizes the fixing mechanism to fix the workpiece to be formed, plays a role in clamping the workpiece to be formed in the process of splicing the workpiece to be formed and the skin, avoids the workpiece to be formed from generating position deviation in the process of turning along with the frame, and ensures the positioning precision of the workpiece to be formed and the skin.

Description

Forming device and forming method

Technical Field

The invention relates to the technical field of production and manufacturing of composite materials, in particular to a forming device and a forming method.

Background

In the field of aerospace, the composite material reinforced wall plate structure has wide application scenes. The manufacturing process of the composite material reinforced wallboard comprises a co-curing process and a co-bonding process, and the stringer is bonded with the uncured skin after being cured. The control of the position degree of the stringer is a key parameter for manufacturing the wallboard, and the deviation of the stringer from the theoretical position is generally required to be controlled within 1mm-2 mm. For the reinforced wall plate, if the size reaches tens of meters or even twenty meters, it is very difficult to place dozens of ultra-fine long stringer parts with the length-diameter ratio of 100:1 in the theoretical position deviation range.

Generally, the more common stringer location mode of adding muscle wallboard is the location cardboard, sets up one cardboard at a distance of every interval along adding muscle wallboard length direction, utilizes the cardboard to carry on spacingly at the slotted form of stringer theoretical position to the stringer, to the length reach the stiffened wallboard more than ten meters level need set up tens of cardboards, the stringer is in the condition that the glued face has laid the glued membrane, need hug closely the covering and pass these cardboards. By adopting the mode, the operation is difficult, the positioning efficiency is low, and the quality problem is easy to occur in the gluing process. To ensure sufficient positioning accuracy, the grooves on the pallet are typically only about 1mm larger than the theoretical profile of the stringer. The operation can be simplified to some extent by increasing the groove clearance of the snap-gauge or improving the process, but at the same time the stringer positioning accuracy will also be reduced.

Disclosure of Invention

The invention aims to provide a forming device and a forming method, which have the advantages of high positioning precision, convenience in operation and higher production efficiency.

In order to achieve the purpose, the invention adopts the following technical scheme:

a molding apparatus comprising:

the frame is used for bearing a workpiece to be formed;

the positioning mechanism is detachably connected to the frame and used for positioning the workpiece to be formed;

the fixing mechanism is arranged on the frame and used for fixing the workpiece to be formed;

the gluing mechanism is positioned below the frame and used for bearing a skin;

and the turnover mechanism is connected to the frame and is configured to drive the frame to turn over to the gluing mechanism so that the workpiece to be formed is glued with the skin.

Preferably, the positioning mechanism comprises a clamping plate detachably connected to the frame, and a holding groove is formed in the clamping plate and used for holding the workpiece to be molded.

Preferably, the positioning mechanism further comprises a mounting structure, one end of the mounting structure is arranged on the frame, and the other end of the mounting structure is detachably connected to the clamping plate.

Preferably, the fixing mechanism includes:

a fixing member disposed on the frame;

an adsorption member disposed on the fixing member;

and the vacuum generator is communicated with the adsorption piece, and the vacuum generator is adsorbed on the workpiece to be formed through the adsorption piece.

Preferably, the gluing mechanism comprises a workbench, and a groove is formed in the surface of the workbench in a concave mode and is used for accommodating the skin.

Preferably, the forming device further comprises an alignment mechanism, and the alignment mechanism is used for aligning the workpiece to be formed and the skin.

Preferably, the alignment mechanism comprises a positioning column, the positioning column is arranged on the frame, a positioning hole is formed in the workbench corresponding to the positioning column, and the positioning column can extend into the positioning hole.

Preferably, the forming device further comprises limiting mechanisms, and the limiting mechanisms are respectively arranged at two ends of the frame and used for limiting the workpiece to be formed.

In order to achieve the above object, the present invention further provides a forming method, in which the forming device is used to perform forming treatment on a workpiece to be formed, the forming method includes the following steps:

preparing a workpiece to be formed;

placing a workpiece to be formed in a positioning mechanism for positioning, and fixing the workpiece to be formed through a fixing mechanism;

and the frame is turned over to the position opposite to the gluing mechanism by using the turning mechanism, so that the workpiece to be formed and the skin are glued together.

Preferably, after the workpiece to be formed and the skin are bonded together, the frame is separated from the positioning mechanism, so that the positioning mechanism and the workpiece to be formed are cured together.

The invention has the beneficial effects that:

according to the forming device provided by the invention, a workpiece to be formed is placed on the frame, the positioning mechanism is used for positioning the workpiece to be formed, the limiting mechanism is used for limiting the workpiece to be formed and clamping and fixing the workpiece to be formed through the fixing mechanism, then the turnover mechanism drives the frame to be integrally turned over to the bonding mechanism so as to complete the bonding process of the workpiece to be formed and a skin, then the frame is separated from the positioning mechanism, and after the frame is removed, the workpiece to be formed is packaged and enters the autoclave for curing, so that a finished product formed workpiece is formed.

The forming device adopts the positioning mechanism to position the workpiece to be formed, ensures the positioning accuracy of the workpiece to be formed, utilizes the fixing mechanism to fix the workpiece to be formed, plays a role in clamping the workpiece to be formed in the process of splicing the workpiece to be formed and the skin, and avoids the workpiece to be formed from generating position deviation in the process of overturning along with the frame so as to ensure the positioning accuracy of the workpiece to be formed and the skin. Utilize tilting mechanism, will treat that the shaping work piece upset to certain angle splices with the covering, realize the switching between the station, convenient operation and inspection part quality condition when guaranteeing finished product shaping work piece quality, have shortened production time, have improved production efficiency. Meanwhile, if the workpiece to be formed is subjected to next curing treatment, the frame is separated from the positioning mechanism, the positioning mechanism is left on the workpiece to be formed, so that the positioning mechanism and the workpiece to be formed enter the autoclave together for curing treatment, the positioning mechanism ensures that the workpiece to be formed does not generate large deviation in the curing stage, the positioning precision is high, and the forming quality of the finished product formed workpiece is ensured.

The invention also provides a forming method, which adopts the forming device to form a workpiece to be formed, and comprises the following steps: preparing a workpiece to be formed; placing a workpiece to be formed in a positioning mechanism for positioning, and fixing the workpiece to be formed through a fixing mechanism; and the frame is turned over to the position right opposite to the gluing mechanism by using the turning mechanism, so that the workpiece to be formed and the skin are glued together.

Drawings

FIG. 1 is a schematic view of a forming apparatus of the present invention in which a workpiece to be formed is placed;

FIG. 2 is a schematic view of the gluing mechanism of the molding apparatus of the present invention;

FIG. 3 is a schematic view of the molding apparatus of the present invention in a state where the frame and the positioning mechanism are disengaged;

FIG. 4 is a schematic view of the forming apparatus of the present invention prior to placement of a workpiece to be formed thereon;

FIG. 5 is a schematic view of the structure of the card of the molding apparatus of the present invention.

In the figure:

100. a workpiece to be formed; 200. covering a skin;

1. a frame; 2. a positioning mechanism; 3. a fixing mechanism; 4. a gluing mechanism; 5. a turnover mechanism; 6. an alignment mechanism; 7. a limiting mechanism;

21. clamping a plate; 22. a mounting structure; 211. accommodating grooves;

41. a work table; 42. and (4) a groove.

Detailed Description

In order to make the technical problems solved, technical solutions adopted and technical effects achieved by the present invention clearer, the technical solutions of the embodiments of the present invention will be described in further detail below with reference to the accompanying drawings, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

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, removably 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 meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. 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.

The technical scheme of the invention is further explained by the specific implementation mode in combination with the attached drawings.

The embodiment provides a forming device, which is used for producing and manufacturing stringer parts in aircraft products, wherein a stringer is a composite material stiffened wall panel, and a workpiece 100 to be formed is a composite material stiffened wall panel. As shown in fig. 1-2, the forming apparatus includes a frame 1, a positioning mechanism 2, a fixing mechanism 3, a gluing mechanism 4, a turnover mechanism 5 and a limiting mechanism 7, wherein the frame 1 has an arc-shaped configuration, the frame 1 has a configuration adapted to the configuration of the workpiece 100 to be formed, and the frame 1 is used for supporting the workpiece 100 to be formed, thereby playing a role of protecting the shape of the workpiece 100 to be formed. The frame 1 bears the positioning mechanism 2, the fixing mechanism 3 and the limiting mechanism 7, is used for connecting each functional module, and plays a role in integral support. It will be appreciated that the frame 1 needs to be sufficiently rigid so that the frame 1 has a load bearing capacity to ensure the accuracy of the positioning of the workpiece 100 to be formed.

A positioning mechanism 2 is detachably connected to the frame 1, and the positioning mechanism 2 is used for positioning the workpiece 100 to be formed. The frame 1 is provided with a fixing mechanism 3 and a limiting mechanism 7, and the fixing mechanism 3 is used for fixing the workpiece 100 to be formed. The limiting mechanisms 7 are respectively arranged at two ends of the frame 1 and used for limiting the workpiece 100 to be formed. A gluing mechanism 4 is arranged below the frame 1, and the gluing mechanism 4 is used for bearing the skin 200. The turnover mechanism 5 is connected to the frame 1, and the turnover mechanism 5 is configured to drive the frame 1 to turn over onto the gluing mechanism 4, so that the workpiece 100 to be formed is glued to the skin 200.

As shown in fig. 1, in the forming apparatus provided in this embodiment, a workpiece 100 to be formed is placed on a frame 1, the positioning mechanism 2 is used to position the workpiece 100 to be formed, the limiting mechanism 7 is used to limit the workpiece 100 to be formed, and the fixing mechanism 3 is used to clamp and fix the workpiece 100 to be formed. As shown in fig. 2, the turnover mechanism 5 drives the frame 1 to turn over to the gluing mechanism 4, so as to complete the process of gluing the workpiece 100 to be formed and the skin 200. As shown in fig. 3, the frame 1 is then separated from the positioning mechanism 2, and after the frame 1 is removed, the workpiece 100 to be molded is packaged and then cured in an autoclave to form a finished molded workpiece.

The forming device adopts the positioning mechanism 2 to position the workpiece 100 to be formed, ensures the positioning accuracy of the workpiece 100 to be formed, utilizes the fixing mechanism 3 to fix the workpiece 100 to be formed, plays a role in clamping the workpiece 100 to be formed in the process that the workpiece 100 to be formed and the skin 200 are spliced, avoids the workpiece 100 to be formed from generating position deviation in the process of overturning along with the frame 1, and ensures the positioning accuracy of the workpiece 100 to be formed and the skin 200. Utilize tilting mechanism 5, will treat that the shaping work piece 100 upset is glued to certain angle and covering 200, realizes switching between the station, and convenient operation and the inspection part quality condition have shortened production time when guaranteeing finished product shaping work piece quality, have improved production efficiency. Meanwhile, if the workpiece 100 to be formed is subjected to next curing treatment, the frame 1 is separated from the positioning mechanism 2, the positioning mechanism 2 is left on the workpiece 100 to be formed, so that the positioning mechanism 2 and the workpiece 100 to be formed enter the autoclave together for curing treatment, the positioning mechanism 2 ensures that the workpiece 100 to be formed does not generate large deviation in the curing stage, the positioning precision is high, and the forming quality of the finished product formed workpiece is ensured.

Further, as shown in fig. 4, the positioning mechanism 2 includes a clamping plate 21 detachably connected to the frame 1, and the clamping plate 21 plays a role of accurately limiting the workpiece 100 to be formed. According to actual needs, the clamping plates 21 are arranged on the frame 1 at equal intervals along the length direction of the frame, and two adjacent clamping plates 21 are arranged in parallel. Optionally, the distance L between two adjacent cards 21 is 1m-3 m. By adopting the mode, the multipoint positioning in the width direction of the workpiece 100 to be formed is realized, and the positioning precision is good.

As shown in fig. 4 to 5, a receiving groove 211 is formed on the chuck plate 21, and the receiving groove 211 is used for receiving the workpiece 100 to be formed. The positions of the receiving grooves 211 correspond to the positions of the work 100 to be formed, and the outer shape of the grooves 42 matches the outer shape of the work 100 to be formed. Considering the manufacturing error of the workpiece 100 to be formed, the size of the groove 42 is slightly larger than the theoretical size of the workpiece 100 to be formed, so that the size of the groove 42 can be expanded properly on the basis of the theoretical size of the workpiece 100 to be formed, and optionally, the difference between the size of the groove 42 and the theoretical size of the workpiece 100 to be formed is less than 1 mm.

For a workpiece 100 to be formed with a large slope, in order to ensure that the workpiece 100 to be formed does not shift significantly during the curing phase. As shown in fig. 4, the positioning mechanism 2 further includes a mounting structure 22, one end of the mounting structure 22 is disposed on the frame 1, and the other end is detachably connected to the catch plate 21. After the bonding of the workpiece 100 to be molded and the skin 200 is completed, the clamping plate 21 can be separated from the frame 1 by using the mounting structure 22, the clamping plate 21 is left on the workpiece 100 to be molded, and the clamping plate 21 and the workpiece 100 to be molded are cured in the autoclave together. It can be understood that the clamping plate 21 is made of composite material or INVAR steel, which is an ideal material for the clamping plate 21, so that the thermal expansion coefficient of the clamping plate 21 is close to that of the workpiece 100 to be formed, and the influence of the clamping plate 21 on the workpiece 100 to be formed in the curing process is reduced.

It is contemplated that the mounting structure 22 may be bolts passing through the frame 1 and the catch plate 21, respectively, and the frame 1 and the catch plate 21 may be detachably connected by using a bolt lock pair. The mounting structure 22 can also be a clip arranged on the frame 1, and an operator can directly operate the clip to mount and dismount the clamping plate 21, so that the operation is convenient, the execution is rapid, and the improvement of the production efficiency is facilitated. The mounting structure 22 may also be a snap-fit structure, and the embodiment does not limit the specific form of the mounting structure 22 as long as the frame 1 and the snap-gauge 21 can be fixed and freely separated.

After the workpiece 100 to be formed is placed on the chucking plate 21, the workpiece 100 to be formed needs to be limited in its length direction. As shown in fig. 4, the limiting mechanism 7 includes two limiting strips, the two limiting strips are respectively disposed on two sides of the frame 1, and the limiting strips are located at the head end and the tail end of the frame 1 along the length direction thereof, so that two ends of the workpiece 100 to be formed respectively abut against the inner side walls of the two limiting strips for limiting the workpiece 100 to be formed in the length direction. Through the mutual matching of the positioning mechanism 2 and the limiting mechanism 7, the limiting of the workpiece 100 to be formed in two mutually perpendicular directions is ensured, and the positioning precision of the workpiece 100 to be formed is further improved.

In order to further ensure the positioning accuracy of the workpiece 100 to be formed, as shown in fig. 4, a fixing mechanism 3 is arranged along the length direction of the frame 1 at a certain distance according to actual requirements, so that multi-point clamping in the length direction of the workpiece 100 to be formed is realized, and the positioning accuracy is good. Optionally, the fixing mechanism 3 comprises fixing parts, an adsorbing part and a vacuum generator, the fixing parts and the clamping plates 21 are arranged at intervals, one clamping plate 21 is arranged between every two adjacent fixing parts, and fixing and positioning effects are good. The mounting sets up on frame 1, and the mounting specifically is bar structure, is provided with the absorption piece on the mounting, and the absorption piece can be sucking disc or suction nozzle, and vacuum generator communicates in the absorption piece, and vacuum generator extracts the vacuum for the absorption piece produces the negative pressure, realizes that the absorption piece treats the absorption of shaping work piece 100, plays the effect that the in-process centre gripping of gluing treats shaping work piece 100.

It will be appreciated that the fixing mechanism 3 may also adopt other mechanical clamping manners, and optionally, the fixing mechanism 3 comprises a clamping cylinder and two clamping jaws connected to the output end of the clamping cylinder, and the clamping cylinder drives the two clamping jaws to move towards or away from each other so as to clamp the workpiece 100 to be formed. The present embodiment does not limit the vacuum suction or mechanical clamping of the fixing mechanism 3, and the fixing of the workpiece 100 to be formed in the turning process is within the protection scope of the present embodiment.

For convenience of operation and checking of quality of parts, as shown in fig. 4, the positioning mechanism 2 generally first makes the workpiece 100 to be formed face upward or face sideways, and during gluing, the turnover mechanism 5 is turned over at a certain angle to glue the skin 200. Turnover mechanism 5 includes upset driving source and linking bridge, and the upset driving source can be rotating electrical machines, and the output of upset driving source passes through linking bridge and connects in frame 1, and upset driving source drive linking bridge drives the frame 1 upset, is convenient for treat the butt joint of shaping work piece 100 and covering 200.

The gluing mechanism 4 comprises a workbench 41, a groove 42 is concavely arranged on the surface of the workbench 41, the groove 42 is used for accommodating the skin 200, the workbench 41 plays a role of bearing the skin 200, and the workbench 41 is also a gluing operation platform for the workpiece 100 to be molded and the skin 200.

In order to ensure the positioning accuracy between the workpiece 100 to be formed and the skin 200, the forming device further comprises an alignment mechanism 6, and the alignment mechanism 6 is used for aligning the workpiece 100 to be formed and the skin 200. After the workpiece 100 to be formed is placed on the frame 1, the alignment mechanism 6 and the skin 200 are used for realizing accurate positioning, so that the workpiece 100 to be formed and the skin 200 are accurately positioned.

Preferably, the alignment mechanism 6 includes a positioning column disposed on the frame 1, and a positioning hole is disposed on the working table 41 corresponding to the positioning column, and the positioning column can extend into the positioning hole. Utilize the reference column plug to connect in the locating hole, simple structure, convenient operation, the location accuracy is good. Furthermore, the positioning column can be a positioning pin, the positioning pin can be of a conical structure, and the positioning hole is a conical hole, so that the positioning pin and the positioning hole can be conveniently inserted.

The embodiment also provides a forming method, which adopts the forming device to perform forming treatment on the workpiece 100 to be formed, and the forming method comprises the following steps: preparing a workpiece 100 to be formed; placing the workpiece 100 to be formed in the positioning mechanism 2 for positioning, and fixing the workpiece 100 to be formed through the fixing mechanism 3; the frame 1 is turned over to the position opposite to the gluing mechanism 4 by using the turning mechanism 5, so that the workpiece 100 to be formed and the skin 200 are glued together.

The forming method provided by the embodiment separates the positioning, fixing and gluing operations of the workpiece 100 to be formed, can greatly simplify the operation difficulty, simultaneously ensures the positioning precision of the workpiece 100 to be formed, is suitable for being converted into an automatic manufacturing process, and has strong universality.

The preparation of the workpiece 100 to be formed comprises the steps of manufacturing and trimming the workpiece 100 to be formed, after the workpiece 100 to be formed is manufactured, the end part size of the workpiece 100 to be formed has slight differences due to the influence of processing errors and production equipment, and the trimming step is adopted to process the end part burrs and the like of the workpiece 100 to be formed, so that the external dimension of the workpiece 100 to be formed reaches a theoretical state or is within an allowable deviation range, and the quality of the finished product formed workpiece is ensured.

After the trimming of the workpiece 100 to be formed is completed, the adhesive surface of the workpiece 100 to be formed needs to be processed, and specifically, an adhesive is laid on the adhesive surface of the workpiece 100 to be formed, so as to facilitate the adhesion between the workpiece and the skin 200.

And (3) for the cap-shaped workpiece 100 to be molded, putting a core mold into the cavity of the cap-shaped cavity, and putting filling twisted strips into the area close to the gluing surface to complete the matched combination of the stringers.

According to the serial number of the workpiece 100 to be formed, the workpiece 100 to be formed is placed in the clamping plate 21 of the positioning mechanism 2 one by one, and the limiting mechanism 7 is used for limiting and clamping and fixing the fixing mechanism 3. And then the frame 1 and the workpiece 100 to be formed are integrally turned for 180 degrees by using the turning mechanism 5, so that the frame 1 and the skin 200 are in a state before being combined, and are combined by the positioning mechanism 2, and the whole workpiece 100 to be formed and the skin 200 are combined and glued. After the work piece 100 to be formed and the skin 200 are glued, the clamping plate 21 is separated from the frame 1, so as to remove the frame 1. Then, the workpiece 100 to be molded and the positioning mechanism 2 are packaged and enter an autoclave for curing.

In the description herein, it is to be understood that the terms "upper", "lower", "right", and the like are based on the orientations and positional relationships shown in the drawings and are used for convenience in description and simplicity in operation, but do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed in a particular orientation, and be constructed in a particular operation, and thus should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used merely for descriptive purposes and are not intended to have any special meaning.

In the description herein, references to the description of "an embodiment," "an example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example.

In addition, the foregoing is only the preferred embodiment of the present invention and the technical principles applied. It will be understood by those skilled in the art that the present invention is not limited to the particular embodiments described herein, but is capable of various obvious changes, rearrangements and substitutions as will now become apparent to those skilled in the art without departing from the scope of the invention. Therefore, although the present invention has been described in greater detail by the above embodiments, the present invention is not limited to the above embodiments, and may include other equivalent embodiments without departing from the spirit of the present invention, and the scope of the present invention is determined by the scope of the appended claims.

Claims

1. A molding apparatus, comprising:

a frame (1) for carrying a workpiece (100) to be formed;

the positioning mechanism (2) is detachably connected to the frame (1), and the positioning mechanism (2) is used for positioning the workpiece (100) to be formed;

the fixing mechanism (3) is arranged on the frame (1), and the fixing mechanism (3) is used for fixing the workpiece (100) to be formed;

a gluing mechanism (4) located below the frame (1), the gluing mechanism (4) being for carrying a skin (200);

a turnover mechanism (5) connected to the frame (1), wherein the turnover mechanism (5) is configured to drive the frame (1) to turn over to the gluing mechanism (4) so that the workpiece (100) to be formed is glued to the skin (200).

2. The forming apparatus according to claim 1, wherein the positioning mechanism (2) comprises a clamping plate (21) detachably connected to the frame (1), a receiving groove (211) is formed on the clamping plate (21), and the receiving groove (211) is used for receiving the workpiece (100) to be formed.

3. The molding apparatus as defined in claim 2, wherein the positioning mechanism (2) further comprises a mounting structure (22), one end of the mounting structure (22) being disposed on the frame (1) and the other end being detachably connected to the catch plate (21).

4. The molding apparatus as defined in claim 3, wherein the fixing mechanism (3) comprises:

a fixing member provided on the frame (1);

an adsorption member disposed on the fixing member;

and the vacuum generator is communicated with the adsorption piece, and is adsorbed on the workpiece (100) to be formed through the adsorption piece.

5. Moulding device according to claim 4, characterized in that the gluing means (4) comprise a table (41), a recess (42) being provided in the surface of the table (41), the recess (42) being intended to receive the skin (200).

6. The forming apparatus according to claim 5, characterized in that the forming apparatus further comprises an alignment mechanism (6), the alignment mechanism (6) being used for alignment between the workpiece (100) to be formed and the skin (200).

7. The molding device as defined in claim 6, wherein the alignment mechanism (6) comprises a positioning post disposed on the frame (1), and a positioning hole is disposed on the worktable (41) corresponding to the positioning post and is capable of extending into the positioning hole.

8. The forming device according to claim 1, characterized in that the forming device further comprises limiting mechanisms (7), wherein the limiting mechanisms (7) are respectively arranged at two ends of the frame (1) and used for limiting the workpiece (100) to be formed.

9. A molding method characterized by performing a molding process on a workpiece (100) to be molded by using the molding apparatus according to any one of claims 1 to 8, the molding method comprising the steps of:

preparing a workpiece (100) to be formed;

placing a workpiece (100) to be formed into a positioning mechanism (2) for positioning, and fixing the workpiece (100) to be formed through a fixing mechanism (3);

and (3) turning the frame (1) to the position right opposite to the gluing mechanism (4) by using the turning mechanism (5) to glue the workpiece (100) to be formed and the skin (200) together.

10. The forming method according to claim 9, characterized in that after the joining and gluing of the workpiece (100) to be formed and the skin (200), the frame (1) is detached from the positioning mechanism (2) so that the positioning mechanism (2) and the workpiece (100) to be formed are jointly subjected to a curing process.