阅读说明：本技术 一种用于复材成型的组合模具分模体线性分离结构及方法 (Combined die split body linear separation structure and method for composite material forming ) 是由 高贵阳 薛洪明 于 2020-07-24 设计创作，主要内容包括：本发明属于复合材料成型技术领域,公开了一种用于复材成型的组合模具分模体线性分离结构及方法,其中结构包括驱动盘、分模套、分离螺母、密封垫圈和密封套,成型模成型使用过程中,使用驱动盘、密封垫圈和密封套组成的结构对组合模具进行密封；成型模脱模使用过程中,使用驱动盘、分模套和分离螺母组成的结构对组合模具进行拆卸。通过本发明,在复合材料产品脱模时能够将分模体稳定地从主模体上脱离。同时,在复合材料成型过程中能够保证组合模具的整体气密性,因此保证了制件产品质量又提高了生产效率。(The invention belongs to the technical field of composite material forming, and discloses a linear separation structure and a linear separation method for a combined die parting body of a composite material forming, wherein the structure comprises a driving disc, a parting sleeve, a separation nut, a sealing washer and a sealing sleeve; in the use process of demoulding of the forming die, the structure consisting of the driving disc, the die parting sleeve and the separating nut is used for disassembling the combined die. According to the invention, the split mold body can be stably separated from the main mold body when the composite material product is demolded. Meanwhile, the integral air tightness of the combined die can be ensured in the composite material forming process, so that the product quality of the finished piece is ensured, and the production efficiency is improved.)

1. A linear separation structure for a composite material molding combined die split die body is characterized by comprising a driving disc (1), a split die sleeve (2), a separation nut (4), a sealing washer (8) and a sealing sleeve (9), wherein the driving disc (1) is of a structure that a cylinder is connected with a flange, the large end face of the flange of the driving disc (1) is fixedly connected with one end of a connecting sleeve (11), the cylinder of the driving disc (1) is matched with a hole in a main die body (12), and the other end of the connecting sleeve (11) is connected with the split die body (10); a threaded column is arranged on the cylinder of the driving disc (1); the die parting sleeve (2) is of a disc structure with the outer diameter exceeding the hole diameter of the main die body (12), a through hole is formed in the center of the die parting sleeve (2), and a threaded column of the driving disc (1) can extend out of the through hole in the center of the die parting sleeve (2); the thread of the separation nut (4) is matched with the thread column Rover of the driving disc (1), and the diameter of the separation nut (4) is larger than the aperture of the through hole in the center of the die parting sleeve (2); the driving disc (1) is detachably connected with the main mould body (12); the sealing sleeve (9) is of a sealing cover structure, the structural appearance is matched with that of the driving disc (1), and the outer ring of the sealing sleeve (9) is provided with a sealing washer (8).

2. A split mold split linear structure for composite material molding according to claim 1, further comprising a plurality of holding screws (3), wherein the driving plate (1) is connected with the main mold body (12) through a circle of holding screws (3).

3. The linear separation structure of the split mold bodies of the combined mold for molding the composite material is characterized by further comprising a gasket (5), wherein when the separation nut (4) is sleeved on the threaded column of the driving disk (1), the gasket (5) is arranged between the separation nut (4) and the split mold sleeve (2).

4. The linear separation structure of the split mold body of the combined mold for molding the composite material according to claim 1, further comprising a plurality of connecting screws (6), wherein the driving disk (1) is connected with the connecting sleeve (11) through the plurality of connecting screws (6).

5. The linear separation structure of the split mold bodies of the combined mold for composite material molding according to claim 1, characterized in that a ring surface of the sealing sleeve (9) is provided with a flange structure, and an annular groove is arranged on the flange end surface of the sealing sleeve (9); the sealing washer (8) is an O-shaped ring made of silica gel and is arranged in an annular groove on the end face of the flange plate of the sealing sleeve (9).

6. A linear separation method of split mold bodies of a combined mold for composite material molding, which is characterized in that the linear separation structure of the split mold bodies of the combined mold for composite material molding according to claim 1 is used, and comprises a molding use process and a molding demolding use process; in the forming and using process of the forming die, a structure consisting of a driving disc, a sealing washer and a sealing sleeve is used for sealing the combined die; in the use process of demoulding of the forming die, the structure consisting of the driving disc, the die parting sleeve and the separating nut is used for disassembling the combined die.

7. The method for linearly separating the split mold bodies of the combined mold for composite material molding according to claim 6, wherein the molding using process of the molding mold specifically comprises the following steps: firstly, tightly connecting a driving disc to a main die body; then, fixing the driving disc and the connecting sleeve by using a connecting screw, and fixing the driving disc and the main mold body by using a holding screw, wherein the molded surface of the sub-mold body and the molded surface of the main mold body form a composite material paving molded surface; finally, a sealing sleeve is arranged outside the driving disc, a sealing gasket is arranged at the joint of the sealing sleeve and the main die body in a padding mode, and the sealing sleeve is fixed on the main die body through mounting screws.

8. The method for linearly separating the split mold bodies of the combined mold for composite material molding according to claim 6, wherein the demolding and using process of the forming mold specifically comprises the following steps: firstly, unscrewing a mounting screw, and taking down a sealing sleeve and a sealing washer; then, the holding screw is disassembled; then, a die parting sleeve is arranged on the cylinder of the driving disc, and a washer and a separation nut are sequentially sleeved on the threaded column of the driving disc; and finally, rotating the separating nut, wherein the split mold sleeve is limited by the main mold body, and the rotation of the separating nut enables the driving disc to move outwards, so that the split mold body is dragged to retract into the cavity of the main mold body, and the linear separation of the split mold body from the main mold body is completed.

Technical Field

The invention belongs to the technical field of composite material forming, relates to a complex composite material forming die tool, and particularly relates to a combined die split body linear separation structure and method for composite material forming.

Background

The composite material needs to be shaped and structured by a shaping mould during shaping, and the composite material needs to be taken off from the mould after shaping and solidification. For a common open composite material product, the draft angle is more than or equal to 0 degree, so that the composite material product can be easily taken off from a mold by a certain demolding device. However, some composite products have a draft angle less than 0 °, and have a serious back-draft phenomenon, and the product can be released only by designing a mold into a combined mold. On the other hand, the composite material product needs to be vacuumized and compacted in the molding process, so that the requirement of integral air tightness needs to be considered in the design of the mold. This places more stringent requirements on the design of the segmented mold. The separation of the split mold bodies in the combined mold is the key for ensuring the smooth use of the combined mold. Traditionally, the disassembly of the die body is realized by manually knocking the die body and the like, the efficiency is low, and the die is damaged.

In summary, for a product with an inverted pull phenomenon, a forming mold thereof needs to be designed as a combined mold, and the detachment of the mold splitting body has great technical difficulty.

Disclosure of Invention

In order to solve the problems, the invention provides a die body linear separation structure and a die body linear separation method for a combined die for composite material molding, which are used for realizing the stable linear separation of the die bodies in the combined die and simultaneously ensuring the air tightness requirement in the molding process, and have important practical significance for realizing the molding of products difficult to demold.

The technical scheme of the invention is as follows:

a linear separation structure of a split mold body of a combined mold for composite material molding comprises a driving disk, a split mold sleeve, a separation nut, a sealing washer and a sealing sleeve, wherein the driving disk is in a structure that a cylinder is connected with a flange plate; a threaded column is arranged on the cylinder of the driving disc; the die parting sleeve is of a disc structure with the outer diameter exceeding the hole diameter of the main die body, a through hole is formed in the center of the die parting sleeve, and a threaded column of the driving disc can extend out of the through hole in the center of the die parting sleeve; the thread of the separation nut is matched with the thread column rib of the driving disc, and the diameter of the separation nut is larger than the aperture of the through hole in the center of the die sleeve; the driving disc is detachably connected with the main mold body; the sealing sleeve is of a sealing cover structure, the structural appearance of the sealing sleeve is matched with that of the driving disc, and a sealing washer is arranged on the outer ring of the sealing sleeve.

Furthermore, the device also comprises a plurality of holding screws, and the driving disc is connected with the main die body through a circle of holding screws. The driving disk is in a circular ring structure with the connection part of the main die body, and the driving disk and the main die body can be stably connected through a circle of holding screws around the circular ring and are convenient to detach.

Further, still include the packing ring, when the separation nut cover was on the screw thread post of driving-disc, the packing ring was established between separation nut and the die sleeve. The split die sleeve is used for protecting the split die sleeve from being damaged by the split nut.

Furthermore, the device also comprises a plurality of connecting screws, and the driving disc is connected with the connecting sleeve through the plurality of connecting screws. The driving disc and the connecting sleeve are continuously kept in a connecting state in the using process, so that the connecting screw is adopted to ensure the stability between the driving disc and the connecting sleeve.

Furthermore, a ring surface of the sealing sleeve is provided with a flange structure, and an annular groove is formed in the end surface of the flange of the sealing sleeve; the sealing washer is an O-shaped ring made of silica gel and is arranged in the annular groove on the end face of the flange plate of the sealing sleeve. The design can increase the air tightness of the structure, and the better air tightness can obviously improve the product quality in the forming process of the forming die.

A linear separation method of split dies of a combined die for composite material molding uses the linear separation structure of split dies of the combined die for composite material molding, and comprises a molding use process and a molding de-molding use process; in the forming and using process of the forming die, a structure consisting of a driving disc, a sealing washer and a sealing sleeve is used for sealing the combined die; in the use process of demoulding of the forming die, the structure consisting of the driving disc, the die parting sleeve and the separating nut is used for disassembling the combined die.

Further, the forming using process of the forming die specifically comprises the following steps: firstly, tightly connecting a driving disc to a main die body; then, fixing the driving disc and the connecting sleeve by using a connecting screw, and fixing the driving disc and the main mold body by using a holding screw, wherein the molded surface of the sub-mold body and the molded surface of the main mold body form a composite material paving molded surface; finally, a sealing sleeve is arranged outside the driving disc, a sealing gasket is arranged at the joint of the sealing sleeve and the main die body in a padding mode, and the sealing sleeve is fixed on the main die body through mounting screws.

Further, the demolding and using process of the forming mold specifically comprises the following steps: firstly, unscrewing a mounting screw, and taking down a sealing sleeve and a sealing washer; then, the holding screw is disassembled; then, a die parting sleeve is arranged on the cylinder of the driving disc, and a washer and a separation nut are sequentially sleeved on the threaded column of the driving disc; and finally, rotating the separating nut, wherein the split mold sleeve is limited by the main mold body, and the rotation of the separating nut enables the driving disc to move outwards, so that the split mold body is dragged to retract into the cavity of the main mold body, and the linear separation of the split mold body from the main mold body is completed.

The invention has the advantages that:

according to the invention, the split mold body can be stably separated from the main mold body when the composite material product is demolded. Meanwhile, the integral air tightness of the combined die can be ensured in the composite material forming process, so that the product quality of the finished piece is ensured, and the production efficiency is improved.

Drawings

FIG. 1 is a cross-sectional view of the present invention with the split mold bodies separated;

FIG. 2 is a schematic structural view of the present invention when the split mold bodies are separated;

FIG. 3 is a cross-sectional view of the present invention during molding of the segmented mold;

FIG. 4 is a schematic view of the sealing sleeve structure of the present invention during the molding of the combination mold;

the device comprises a driving disc 1, a die parting sleeve 2, a holding screw 3, a separating nut 4, a gasket 5, a connecting screw 6, a mounting screw 7, a sealing gasket 8, a sealing sleeve 9, a die parting body 10, a connecting sleeve 11 and a main die body 12.

Detailed Description

This section is an example of the present invention and is provided to explain and illustrate the technical solutions of the present invention.

The structure of the invention is a linear separation structure of a split mold body of a combined mold for composite material molding, which comprises a driving disk 1, a split mold sleeve 2, a separation nut 4, a sealing washer 8 and a sealing sleeve 9, wherein the driving disk 1 is in a structure that a cylinder is connected with a flange plate, the large end surface of the flange plate of the driving disk 1 is fixedly connected with one end of a connecting sleeve 11, the cylinder of the driving disk 1 is matched with a hole on a main mold body 12, and the other end of the connecting sleeve 11 is connected with the split mold body 10; a threaded column is arranged on the cylinder of the driving disc 1; the die sleeve 2 is of a disc structure with the outer diameter exceeding the hole diameter of the main die body 12, a through hole is formed in the center of the die sleeve 2, and a threaded column of the driving disc 1 can extend out of the through hole in the center of the die sleeve 2; the thread of the separation nut 4 is matched with the thread column rib of the driving disc 1, and the diameter of the separation nut 4 is larger than the aperture of the through hole in the center of the die parting sleeve 2; the driving disc 1 is detachably connected with the main mould body 12; the sealing sleeve 9 is of a sealing cover structure, the structural appearance of the sealing sleeve is matched with that of the driving disc 1, and the outer ring of the sealing sleeve 9 is provided with a sealing washer 8.

The structure of the invention also comprises a plurality of holding screws 3, and the driving disc 1 is connected with the main die body 12 through a circle of holding screws 3. The driving disk is in a circular ring structure with the connection part of the main die body, and the driving disk and the main die body can be stably connected through a circle of holding screws around the circular ring and are convenient to detach.

The structure of the invention also comprises a washer 5, and when the separation nut 4 is sleeved on the threaded column of the driving disc 1, the washer 5 is arranged between the separation nut 4 and the die sleeve 2. The split die sleeve is used for protecting the split die sleeve from being damaged by the split nut.

The structure of the invention also comprises a plurality of connecting screws 6, and the driving disc 1 is connected with the connecting sleeve 11 through the plurality of connecting screws 6. The driving disc and the connecting sleeve are continuously kept in a connecting state in the using process, so that the connecting screw is adopted to ensure the stability between the driving disc and the connecting sleeve.

Wherein, the ring surface of the sealing sleeve 9 is provided with a flange structure, and the flange end surface of the sealing sleeve 9 is provided with an annular groove; the sealing washer 8 is an O-shaped ring made of silica gel and is arranged in an annular groove on the end face of the flange plate of the sealing sleeve 9. The design can increase the air tightness of the structure, and the better air tightness can obviously improve the product quality in the forming process of the forming die.

The method is a linear separation method of the split mold body of the combined mold for composite material molding, and the linear separation structure of the split mold body of the combined mold for composite material molding comprises a molding use process and a molding demolding use process; in the forming and using process of the forming die, a structure consisting of a driving disc, a sealing washer and a sealing sleeve is used for sealing the combined die; in the use process of demoulding of the forming die, the structure consisting of the driving disc, the die parting sleeve and the separating nut is used for disassembling the combined die.

The forming use process of the forming die specifically comprises the following steps: firstly, tightly connecting a driving disc to a main die body; then, fixing the driving disc and the connecting sleeve by using a connecting screw, and fixing the driving disc and the main mold body by using a holding screw, wherein the molded surface of the sub-mold body and the molded surface of the main mold body form a composite material paving molded surface; finally, a sealing sleeve is arranged outside the driving disc, a sealing gasket is arranged at the joint of the sealing sleeve and the main die body in a padding mode, and the sealing sleeve is fixed on the main die body through mounting screws.

The demoulding use process of the forming mould specifically comprises the following steps: firstly, unscrewing a mounting screw, and taking down a sealing sleeve and a sealing washer; then, the holding screw is disassembled; then, a die parting sleeve is arranged on the cylinder of the driving disc, and a washer and a separation nut are sequentially sleeved on the threaded column of the driving disc; and finally, rotating the separating nut, wherein the split mold sleeve is limited by the main mold body, and the rotation of the separating nut enables the driving disc to move outwards, so that the split mold body is dragged to retract into the cavity of the main mold body, and the linear separation of the split mold body from the main mold body is completed.

Another embodiment of the present invention is described below.

The invention discloses a linear separating structure of a split mold body of a combined mold, which comprises a driving disk 1, a split mold sleeve 2, a holding screw 3, a separating nut 4, a gasket 5, a connecting screw 6, a mounting screw 7, a sealing gasket 8 and a sealing sleeve 9; the driving disc 1 is in a structural form of combining a flange plate and a screw rod, wherein the large end face of the flange plate is attached to the connecting sleeve, the cylindrical surface of the flange plate is matched with the hole in the main mold body, and the driving disc 1 can slide in the hole in the main mold body along the axial direction; two circles of uniformly distributed through holes are formed in the flange plate on the driving disc 1, connecting screws 6 are inserted into the 6 through holes in the inner circle, and the driving disc 1 and the connecting sleeve are connected through the connecting screws 6 in a screwed connection mode; holding screws 3 are inserted into 6 through holes in the upper outer ring of the flange plate of the driving disc 1, and the driving disc 1 and the main mould body are connected through the holding screws 3 in the mould forming and using process; the die sleeve 2 is used for linear separation of the die bodies, and a through hole is formed in the center of the die sleeve 2 and used for enabling a screw rod of the driving disk 1 to partially extend out.

The flange part of the die sleeve is provided with three through holes; the separation nut 4 is matched with a screw on the driving disc 1; the end face of one side of the washer 5 is attached to the separation nut 4, and the other side of the washer is attached to the die parting sleeve 2; the sealing washer is an O-shaped ring made of silica gel and is arranged in an annular groove on the end surface of the flange plate of the sealing sleeve 9; the sealing sleeve 9 is a revolving body sealing cover and is used for ensuring the air tightness requirement in the forming process. In the forming use process of the forming die, the mounting sealing sleeve 9 wraps and blocks part of linear separating structures of the split die bodies of the combined die, when the die is removed, the sealing sleeve 9 is detached, the split die sleeves 2, the gaskets 5 and the separating nuts 4 are mounted, and the split die bodies are dragged to retract into cavities of the main die body by rotating the separating nuts 4.

Still another embodiment of the present invention will be described with reference to the accompanying drawings.

As shown in fig. 1 to 4, the linear separation device for split mold bodies of the split mold comprises a driving disc 1, a split sleeve 2, a holding screw 3, a separation nut 4, a gasket 5, a connecting screw 6, a mounting screw 7, a sealing gasket 8 and a sealing sleeve 9; the large end face of the flange plate of the driving disc 1 is attached to the connecting sleeve, the cylindrical surface of the flange plate is matched with the hole in the main mold body, and the driving disc 1 can axially slide in the hole in the main mold body; the connecting screw 6 connects the driving disc 1 and the connecting sleeve through screw connection; in the molding process, the holding screw 3 connects the driving disc 1 and the main mold body through screw connection; the die parting sleeve 2 is used for linear separation of die parting bodies, and a through hole is formed in the center of the die parting sleeve 2 and used for enabling a screw rod part of the driving disc 1 to extend out; the separation nut 4 is matched with a screw on the driving disc 1; the gasket 5 is arranged between the separation nut 4 and the die sleeve 2 and is attached; the sealing washer is arranged in an annular groove on the end face of the flange plate of the sealing sleeve 9; the sealing sleeve 9 is a revolving body sealing cover and is used for ensuring the air tightness requirement in the forming process.

In the forming and using process of the forming die, the driving disk 1 is tightly connected to the main die body, and the molded surface of the time division die body and the molded surface of the main die body form a composite material paving molded surface (because the driving disk 1 and the main die body 12 are connected through the holding screw 3 at the moment, the holding screw 3 is detached during the demoulding, so that the two are not integrated into a whole structure any more). Meanwhile, the mounting sealing sleeve 9 wraps and blocks part of linear separation structures of the split mold bodies of the combined mold, and the integral air tightness requirement of the forming mold is met. During demolding, the sealing sleeve 9 and the six holding screws 3 are disassembled, then the split sleeve 2, the gasket 5 and the separating nut 4 are installed, the split mold body is dragged to retract into the cavity of the main mold body by rotating the separating nut 4, and linear separation of the split mold body from the main mold body is completed. Specifically, the separation nut 4 is in threaded fit with the driving disc 1, the driving disc 1 moves outwards by rotating the separation nut 4, the driving disc 1 is connected with the connecting sleeve 11, and the connecting sleeve 11 is connected with the split mold body 10, so that the split mold body 10 moves outwards to complete demolding.