Composite material empennage cutting tool

Abstract

The utility model discloses a composite material empennage cutting tool which comprises a rack, a lower tool body and an upper tool body. The lower tool body is installed on the rack, and a spoiler cavity is formed in the top and used for loading a to-be-cut automobile spoiler. A lower adsorption channel is arranged in the lower tool body, and the automobile spoiler to be cut is adsorbed and fixed in the spoiler cavity of the lower tool body through negative pressure; an upper adsorption channel is arranged in the upper tool body, and the automobile spoiler to be cut is adsorbed and fixed to the bottom of the upper tool body through negative pressure. And under the action of the lifting assembly, the upper tool body puts the automobile spoiler to be cut into the spoiler cavity of the lower tool body. The composite material empennage is accurately positioned and tightly adsorbed in the empennage cavity of the lower tool body, the positioning precision is high, the cutting precision of the composite material empennage is guaranteed, the percent of pass of cut products is improved, the overall structure is simple, installation and operation are convenient, the cost is low, the working efficiency is improved, the labor cost is reduced, and the production efficiency is improved. And the batch production requirement can be met.

Description

Technical Field

[0001] The utility model relates to the technical field of automobile tail wing cutting tool, in particular to a composite material tail wing cutting tool. Background Art

[0002] When a car is driving at high speed, according to the principle of aerodynamics, it will encounter air resistance during driving, and aerodynamic forces in three directions, longitudinal, lateral and vertical, will be generated around the center of gravity of the car at the same time, of which the longitudinal direction is air resistance. The function of the car's tail wing is to make the air produce a fourth force on the car, that is, to produce a greater adhesion to the ground, which can offset part of the lift, effectively control the car's buoyancy, reduce the wind resistance coefficient accordingly, and enable the car to drive closely to the road surface, thereby improving driving stability.

[0003] Composite material tail wing has the advantages of good rigidity and light weight. Currently, the common composite material tail wing includes an outer panel and an inner panel. The outer panel is made by autoclave process, and has an opening on the top and flanges on both sides. The inner panel is made by foaming process. The inner panel is bonded to the outer panel while being formed. After bonding, the opening of the outer panel needs to be cut so that its shape and size meet the requirements. However, manual cutting is usually used during cutting at present, so the cutting accuracy is poor and the labor cost is high. Of course, there is also a method of using positioning tooling for CNC cutting after positioning, but the positioning accuracy of the existing positioning tooling is not high, resulting in a low product qualification rate, and the positioning tooling has a complex structure and is inconvenient to operate, resulting in low production efficiency. Utility Model Content

[0004] The utility model aims to provide a composite material tail wing cutting tool to solve the problems of complex structure and low precision of the existing positioning tool.

[0005] In order to solve the above technical problems, the utility model provides a composite material tail wing cutting tool, comprising a frame, a lower tool body and an upper tool body;

[0006] The lower tooling body is installed on the frame, and a tail wing cavity is opened on the top for loading the car tail wing to be cut; and a lower adsorption channel is arranged in the lower tooling body, and the car tail wing to be cut is adsorbed and fixed in the tail wing cavity of the lower tooling body by negative pressure;

[0007] The upper tooling body is provided with an upper adsorption channel, and the automobile tail wing to be cut is adsorbed and fixed to the bottom of the upper tooling body by negative pressure;

[0008] The upper tooling body is located above the lower tooling body, and the upper tooling body is connected to the frame through a lifting assembly. Under the action of the lifting assembly, the upper tooling body puts the automobile spoiler to be cut into the spoiler cavity of the lower tooling body.

[0009] Preferably, the lifting assembly for driving the upper tooling body to move up and down comprises a lifting guide rail and a lifting cylinder, and the upper tooling body is driven to move up and down along the lifting guide rail under the action of the telescopic rod of the lifting cylinder.

[0010] Preferably, a plurality of positioning pins are provided at the bottom of the upper tooling body, and the shape and quantity of the positioning pins match the shape and quantity of the positioning holes of the inner panel of the automobile rear wing to be cut.

[0011] Preferably, a partial shape of the tail wing cavity of the lower tooling body is contoured to the shape of the automobile tail wing to be cut.

[0012] Preferably, a groove is provided at the bottom of the tail wing cavity of the lower tooling body, and when the automobile tail wing to be cut is placed in the tail wing cavity of the lower tooling body, a gap is maintained between the bottom of the groove and the bottom of the automobile tail wing to be cut.

[0013] Preferably, the lower tooling body is a multi-section structure, and the multiple sections of the lower tooling body are distributed on the frame along the extension direction of the automobile rear wing to be cut.

[0014] Preferably, there is a gap between two adjacent sections of the lower tooling body, and a support member is provided between two adjacent sections of the lower tooling body, and the bottom of the automobile rear wing to be cut is supported by the support member.

[0015] Preferably, one end of the lower adsorption channel is an adsorption inlet, and the other end is an adsorption outlet; the adsorption inlet is located on the side wall of the tail wing cavity of the lower tooling body, and the adsorption outlet is located at the bottom of the lower tooling body.

[0016] Preferably, an annular groove is provided on the side wall of the tail wing cavity of the lower tooling body, the adsorption inlet is arranged in the annular groove, and a sealing ring is provided in the annular groove; when the automobile tail wing to be cut is placed in the tail wing cavity of the lower tooling body, the adsorption inlet is in sealing contact with the bottom of the automobile tail wing to be cut through the sealing ring.

[0017] Preferably, a plurality of lower adsorption channels are provided and distributed along the extension direction of the tail wing cavity of the lower tooling body; and the plurality of lower adsorption channels are distributed on opposite sides of the tail wing cavity of the lower tooling body.

[0018] Compared with the prior art, the beneficial effects of the utility model are:

[0019] The utility model can accurately position the composite material tail wing and tightly adsorb it in the tail wing cavity of the lower tooling body through the positioning pins arranged on the upper tooling body and the lower adsorption channel arranged in the lower tooling body. The positioning accuracy is high, which ensures the accuracy of the composite material tail wing when cutting and improves the qualified rate of the product after cutting. The overall structure is simple, easy to install and operate, with low cost, which improves work efficiency and reduces labor cost, and can meet the needs of mass production. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a front view of the composite material tail wing cutting tool provided by the utility model;

[0021] Figure 2 It is a top view of the composite material tail wing cutting tool provided by the utility model.

[0022] In the figure: 1. frame; 2. lower tooling body; 3. upper tooling body; 4. lower adsorption channel; 5. upper adsorption channel; 6. lifting guide rail; 7. lifting cylinder; 8. support member; 10. automobile rear wing to be cut. DETAILED DESCRIPTION

[0023] The following is a further detailed description of the present invention in conjunction with the accompanying drawings and specific embodiments. The advantages and features of the present invention will become more apparent from the following description and claims. It should be noted that the drawings are in very simplified form and in non-precise proportions, and are only used to conveniently and clearly assist in explaining the purpose of the embodiments of the present invention.

[0024] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc., indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0025] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood by specific circumstances.

[0026] Embodiment 1

[0027] The utility model provides a composite material tail wing cutting tool, please refer to Figure 1 and Figure 2 , comprising a frame 1, a lower tooling body 2 and an upper tooling body 3; the lower tooling body 2 is installed on the frame 1, and a tail wing cavity is opened on the top for loading the automobile tail wing 10 to be cut; and a lower adsorption channel 4 is provided in the lower tooling body 2, and the automobile tail wing 10 to be cut is adsorbed and fixed in the tail wing cavity of the lower tooling body 2 by negative pressure; an upper adsorption channel 5 is provided in the upper tooling body 3, and the automobile tail wing to be cut is adsorbed and fixed to the bottom of the upper tooling body 3 by negative pressure; the upper tooling body 3 is located above the lower tooling body 2, and the upper tooling body 3 is connected to the frame 1 through a lifting component, and under the action of the lifting component, the upper tooling body 3 puts the automobile tail wing 10 to be cut into the tail wing cavity of the lower tooling body 2.

[0028] Specifically, the lifting assembly for driving the upper tooling body 3 to move up and down includes a lifting guide rail 6 and a lifting cylinder 7 . The upper tooling body 3 is driven to move up and down along the lifting guide rail 6 under the action of the telescopic rod of the lifting cylinder 7 .

[0029] Furthermore, a plurality of positioning pins are provided at the bottom of the upper tooling body 3 , and the shape and quantity of the positioning pins match the shape and quantity of the positioning holes of the inner panel of the automobile rear wing 10 to be cut.

[0030] In some embodiments, a portion of the tail wing cavity of the lower tooling body 2 is shaped similar to the shape of the automobile tail wing 10 to be cut.

[0031] Furthermore, a groove is provided at the bottom of the tail wing cavity of the lower tooling body 2 , and when the automobile tail wing 10 to be cut is placed in the tail wing cavity of the lower tooling body 2 , a gap is maintained between the bottom of the groove and the bottom of the automobile tail wing 10 to be cut.

[0032] Specifically, the lower tooling body 2 is a multi-stage structure, and the multiple sections of the lower tooling body 2 are distributed on the frame 1 along the extension direction of the automobile rear wing 10 to be cut. There is a gap between two adjacent sections of the lower tooling body 2, and a support member 8 is further provided between two adjacent sections of the lower tooling body 2, and the bottom of the automobile rear wing 10 to be cut is supported by the support member 8.

[0033] Furthermore, one end of the lower adsorption channel 4 is an adsorption inlet, and the other end is an adsorption outlet; the adsorption inlet is located on the side wall of the tail wing cavity of the lower tooling body 2, and the adsorption outlet is located at the bottom of the lower tooling body 2. An annular groove is provided on the side wall of the tail wing cavity of the lower tooling body 2, and the adsorption inlet is arranged in the annular groove, and a sealing ring is provided in the annular groove; when the automobile tail wing 10 to be cut is placed in the tail wing cavity of the lower tooling body 2, the adsorption inlet is in sealing contact with the bottom of the automobile tail wing 10 to be cut through the sealing ring.

[0034] In some embodiments, the lower adsorption channels 4 are provided in plurality and distributed along the extension direction of the tail cavity of the lower tooling body 2 ; and the plurality of lower adsorption channels 4 are distributed on opposite sides of the tail cavity of the lower tooling body 2 .

[0035] The use process of the composite material tail wing cutting tool is as follows: first, the upper tooling body 3 is lifted by the lifting cylinder 7, and then the automobile tail wing 10 to be cut is matched with the positioning pin on the upper tooling body 3 according to the position of the positioning hole, and the automobile tail wing 10 to be cut is adsorbed and fixed on the upper tooling body 3 through the upper adsorption channel 5 under the action of the external negative pressure device; then the lifting cylinder 7 is lowered to put the automobile tail wing 10 to be cut into the tail wing cavity of the lower tooling body 2; then, under the action of the external negative pressure device, the automobile tail wing 10 to be cut is adsorbed and fixed on the lower tooling body 2 through the lower adsorption channel 4; then the negative pressure device connected to the upper adsorption channel 5 stops working, and at the same time the lifting cylinder 7 is lifted to drive the upper tooling body 3 away to continue feeding, and the automobile tail wing 10 to be cut on the lower tooling body 2 is accurately cut on its edge by the CNC machine tool; after the cutting is completed, the negative pressure device connected to the lower adsorption channel 4 is closed, and the operator can remove the cut automobile tail wing.

[0036] The utility model can accurately position the composite tail wing and tightly adsorb it in the tail wing cavity of the lower tooling body 2 by means of the positioning pins arranged on the upper tooling body 3 and the lower adsorption channel arranged in the lower tooling body 2. The positioning accuracy is high, which ensures the accuracy of cutting the composite tail wing and improves the qualified rate of the product after cutting. The overall structure is simple, easy to install and operate, with low cost, improved work efficiency, reduced labor cost, and can meet the needs of mass production.

[0037] The above description is only a description of the preferred embodiment of the utility model, and is not any limitation on the scope of the utility model. Any changes and modifications made by ordinary technicians in the field of the utility model based on the above disclosure shall fall within the scope of protection of the claims.

Claims

1. A composite material tail wing cutting tool, characterized in that: It comprises a frame (1), a lower tooling body (2) and an upper tooling body (3); The lower tooling body (2) is mounted on the frame (1), and is provided with a tail wing cavity on the top for loading the automobile tail wing (10) to be cut; and a lower adsorption channel (4) is provided in the lower tooling body (2), and the automobile tail wing (10) to be cut is adsorbed and fixed in the tail wing cavity of the lower tooling body (2) by negative pressure; An upper adsorption channel (5) is provided in the upper tooling body (3), and the automobile rear wing to be cut is adsorbed and fixed to the bottom of the upper tooling body (3) by negative pressure; The upper tooling body (3) is located above the lower tooling body (2), and the upper tooling body (3) is connected to the frame (1) via a lifting assembly. Under the action of the lifting assembly, the upper tooling body (3) places the automobile rear wing (10) to be cut into the rear wing cavity of the lower tooling body (2).

2. A composite material tail wing cutting tool as claimed in claim 1, characterized in that: The lifting assembly used for driving the upper tooling body (3) to lift comprises a lifting guide rail (6) and a lifting cylinder (7), and under the action of the telescopic rod of the lifting cylinder (7), the upper tooling body (3) is driven to move up and down along the lifting guide rail (6).

3. A composite material tail wing cutting tool as claimed in claim 2, characterized in that: The bottom of the upper tooling body (3) is provided with a plurality of positioning pins, and the shape and number of the positioning pins match the shape and number of the positioning holes of the inner plate of the automobile rear wing (10) to be cut.

4. A composite material tail wing cutting tool as claimed in claim 1, characterized in that: The partial shape of the tail wing cavity of the lower tooling body (2) is contoured to the shape of the automobile tail wing (10) to be cut.

5. A composite material tail wing cutting tool as claimed in claim 4, characterized in that: A groove is provided at the bottom of the tail wing cavity of the lower tooling body (2); when the automobile tail wing (10) to be cut is placed in the tail wing cavity of the lower tooling body (2), a gap is maintained between the bottom of the groove and the bottom of the automobile tail wing (10) to be cut.

6. A composite material tail wing cutting tool as claimed in claim 1, characterized in that: The lower tooling body (2) is a multi-segment structure, and the multiple segments of the lower tooling body (2) are distributed on the frame (1) along the extension direction of the automobile rear wing (10) to be cut.

7. A composite material tail wing cutting tool as claimed in claim 6, characterized in that: There is a gap between two adjacent sections of the lower tooling body (2), and a support member (8) is also provided between the two adjacent sections of the lower tooling body (2), and the bottom of the automobile rear wing (10) to be cut is supported by the support member (8).

8. The composite material tail wing cutting tool as claimed in claim 1, characterized in that: One end of the lower adsorption channel (4) is an adsorption inlet, and the other end is an adsorption outlet; the adsorption inlet is located on the side wall of the tail wing cavity of the lower tooling body (2), and the adsorption outlet is located at the bottom of the lower tooling body (2).

9. A composite material tail wing cutting tool as claimed in claim 8, characterized in that: An annular groove is provided on the side wall of the tail wing cavity of the lower tooling body (2), the adsorption inlet is arranged in the annular groove, and a sealing ring is arranged in the annular groove; when the automobile tail wing (10) to be cut is placed in the tail wing cavity of the lower tooling body (2), the adsorption inlet is in sealing contact with the bottom of the automobile tail wing (10) to be cut through the sealing ring.

10. A composite material tail wing cutting tool as claimed in claim 8, characterized in that: A plurality of lower adsorption channels (4) are provided and distributed along the extension direction of the tail cavity of the lower tooling body (2); and the plurality of lower adsorption channels (4) are distributed on opposite sides of the tail cavity of the lower tooling body (2).

Images