Processing device

Abstract

The utility model discloses a machining device which comprises a carrying table, an expansion piece and a limiting assembly. The expansion part is arranged on the carrying table, the expansion part comprises an expansion face, and the expansion part enables the expansion face to generate displacement far away from the carrying table in an expandable mode so as to abut against and support a workpiece fixed to the carrying table through the limiting assembly in a matched mode. According to the machining device, after the deformation face of the workpiece is supported in a self-adaptive mode through the expansion piece, the workpiece can be machined on the premise that the original shape of the workpiece is not changed, and therefore the precision requirement for the machining size of the workpiece can be met; and meanwhile, redundant separation steps between the expansion piece and the machined workpiece are not needed, and the machining efficiency is effectively improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of machining, and particularly relates to a machining device. Background Art

[0002] For thin-walled plate workpieces, there are usually some warped and deformed areas. When machining a thin-walled plate workpiece, if the flatness of the workpiece positioning surface does not meet the requirements, if an external force (such as an electromagnet) is used to flatten the workpiece, and the workpiece yields to the external force and fits with the fixture plane before machining. The features and dimensions machined in this way meet the machining requirements when measured under the state of external force pressing, but after removing the external force, the workpiece deforms and rebounds, and all dimensions and flatness are affected by the deformation and are not good enough to meet the requirements.

[0003] In the prior art, for the machining of thin-walled plates, the warped and deformed areas of the plates are usually filled with glue and fixed on the plane where the fixture is located. The hardened glue provides support for the plates and does not change the shape of the plates, so as to ensure the machining quality of the thin-walled plates. However, after machining in this way, the glue needs to be melted to separate the plate from the plane where the fixture is located, resulting in low machining efficiency.

[0004] Therefore, in view of the above technical problems, it is necessary to provide a machining device. Summary of the Utility Model

[0005] The purpose of the utility model is to provide a machining device, which can solve the problems that the workpiece deforms and rebounds after unsupported cutting machining, affecting the machining dimension accuracy, and the glue curing support leads to low machining efficiency.

[0006] In order to achieve the above purpose, the technical solution provided by a specific embodiment of the utility model is as follows:

[0007] A machining device includes a carrier, an expansion member, and a limiting component; the expansion member is arranged on the carrier, the expansion member includes an expansion surface, and the expansion member can expand to make the expansion surface generate a displacement away from the carrier to abut and support a workpiece cooperatively fixed on the carrier by the limiting component.

[0008] In one or more embodiments of the utility model, the expansion surface includes a plurality of expansion units that can independently generate displacements.

[0009] In one or more embodiments of the utility model, the machining device further includes a grid plate cooperatively installed with the expansion member on the carrier, the grid plate includes a plurality of grids corresponding to the plurality of expansion units, and the expansion units can pass through the corresponding grids to generate displacements away from the carrier.

[0010] In one or more embodiments of the present utility model, the shape of a single grid is square, and multiple grids are arranged in an array.

[0011] In one or more embodiments of the present utility model, the expansion member includes an airbag, the airbag includes a communication part and a plurality of convex bag parts communicating with the communication part, and the plurality of convex bag parts are correspondingly accommodated in the plurality of grids, and the expansion unit is formed on the convex bag parts.

[0012] In one or more embodiments of the present utility model, the processing device further includes a gas supply member, the carrier is provided with an installation space for installing the communication part, and air holes for communicating the communication part and the gas supply member are opened on the peripheral wall of the installation space.

[0013] In one or more embodiments of the present utility model, the expansion surface is made of a flexible material, and the expansion surface generates an expansion deformation when the expansion member expands to fit a workpiece fixed on the carrier by the cooperation of the limiting component.

[0014] In one or more embodiments of the present utility model, the processing device further includes a positioning member installed on the carrier, the positioning member and the expansion member are arranged in an avoidance manner, and the end surface of the positioning member away from the carrier defines the reference height position of the workpiece fixed on the carrier.

[0015] In one or more embodiments of the present utility model, the positioning members are distributed around the carrier in a ring shape, the limiting component includes a limiting end that cooperates with the expansion member to press the workpiece on the carrier, and the limiting end is arranged adjacent to the positioning member.

[0016] In one or more embodiments of the present utility model, the limiting component includes a driving member and a pressing rod, the driving member is installed on the side of the carrier, the limiting end is the end of the pressing rod away from the driving member, and the driving member can drive the limiting end to press the workpiece;

[0017] And / or, the positioning member is located in an area close to the corners of the carrier.

[0018] Compared with the prior art, when the processing device of the present utility model processes a thin-walled plate, the workpiece is first placed between the expansion member and the limiting component, and then the expansion member generates an expansion deformation so that the expansion surface generates a displacement away from the carrier until it moves to abut and support the deformed surface of the workpiece. After the processing device of the present utility model supports the deformed surface of the workpiece through the expansion member, it can process the workpiece without changing the original shape of the workpiece, thus meeting the precision requirements for the processing dimensions of the workpiece; at the same time, there is no need for an extra separation step between the expansion member and the processed workpiece, effectively improving the processing efficiency. Description of the Drawings

[0019] To more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the following will briefly introduce the drawings required for use in the description of the embodiments or the prior art. Obviously, the drawings in the following description are only some embodiments recorded in the present invention. For those of ordinary skill in the art, without creative efforts, other drawings can also be obtained based on these drawings.

[0020] Figure 1 Structural schematic diagram of the processing device in an embodiment of the present invention;

[0021] Figure 2 Structural schematic diagram of the processing device after installing the workpiece in an embodiment of the present invention;

[0022] Figure 3 Explosion schematic diagram of the processing device in an embodiment of the present invention;

[0023] Figure 4 is Figure 3 Enlarged schematic diagram at position A in;

[0024] Figure 5 is Figure 3 Enlarged schematic diagram at position B in.

[0025] Main reference numeral description:

[0026] 1, carrier table; 11, installation space; 12, air holes; 2, expansion member; 21, communication part; 22, convex capsule part; 3, limiting component; 31, driving member; 32, pressing rod; 33, connecting rod; 4, grid plate; 5, positioning member. Detailed implementation manners

[0027] In order to enable those skilled in the art to better understand the technical solutions in the present invention, the following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0028] Referring to Figure 1 , the processing device in an embodiment of the present invention includes a carrier table 1, an expansion member 2, and a limiting component 3. The expansion member 2 is disposed on the carrier table 1. The expansion member 2 includes an expansion surface, and the expansion member 2 can expand to cause the expansion surface to generate a displacement away from the carrier table 1 to abut and support the workpiece fixed on the carrier table 1 in cooperation with the limiting component 3.

[0029] Among them, the expansion surface is the part of the expansion member 2 that is in direct contact with the workpiece. During the expansion process of the expansion member 2, the expansion surface itself may or may not undergo expansion deformation along with the expansion of the expansion member 2. For example, when the expansion surface does not undergo expansion deformation, the expansion deformation of the expansion member 2 causes the expansion surface to approach the workpiece. When the workpiece abuts against the expansion surface, the expansion surface yields to the shape of the machined workpiece and generates an adaptive deformation to support the workpiece. Another example is that when the expansion surface is made of a flexible material, the expansion surface itself can also undergo expansion deformation. When the workpiece abuts against the expansion surface, the expansion surface yields to the shape of the machined workpiece and generates an adaptive expansion deformation to support the workpiece.

[0030] Referring to Figure 1 , in this embodiment, the expansion surface includes a plurality of expansion units that can generate displacements independently. The processing device further includes a grid plate 4 that is cooperatively installed with the expansion member 2 on the carrier 1. The grid plate 4 includes a plurality of grids corresponding to the plurality of expansion units, and the expansion units can pass through the corresponding grids to generate displacements away from the carrier 1. Among them, each expansion unit can generate a displacement away from the carrier 1 according to the deformation degree of the surface of the machined workpiece, so as to respectively abut and support the machined workpiece adaptively, thereby facilitating subsequent machining of the workpiece.

[0031] Referring to Figure 1 and Figure 2 , when machining a thin-walled plate, first place the workpiece between the expansion member 2 and the limiting component 3. Then the expansion member 2 expands to make its expansion surface away from the carrier 1 until it reaches and supports the deformed surface of the workpiece. By supporting the deformed area of the workpiece by the expansion member 2, the workpiece can be machined without changing its original shape, thereby ensuring the machining accuracy of the workpiece.

[0032] The expansion member 2 can generate expansion deformation by introducing various forms of fluid. Referring to Figure 3 and Figure 4 , in this embodiment, the expansion member 2 includes an airbag, and the airbag includes a communication part 21 and a plurality of convex airbag parts 22 that communicate with the communication part 21. The plurality of convex airbag parts 22 are correspondingly accommodated in the plurality of grids, and the expansion units are formed on the convex airbag parts 22. In this embodiment, the shape of a single grid is square, and the plurality of grids are arranged in an array. It can be understood that the convex airbag parts 22 can also be correspondingly set as square bodies. The array-type support formed by the plurality of convex airbag parts 22 can effectively abut the deformed area of the workpiece surface, thereby facilitating subsequent machining of the workpiece.

[0033] Referring to Figure 3 and Figure 4, the stage 1 is provided with an installation space 11 for installing the connection part 21, and air holes 12 for connecting the connection part 21 and the air supply component are formed on the peripheral wall of the installation space 11. In this embodiment, the processing device further includes an air supply component. The connection part 21 is arranged in the installation space 11, and the connection part 21 and the air supply component are connected through an air pipe. During operation, by supplying air to the connection part 21 through the air supply component, the convex bladder part 22 can be continuously inflated to generate a displacement away from the stage 1, so that the convex bladder part 22 can adaptively move to the position where it supports and abuts against the deformed surface of the workpiece.

[0034] Referring to Figure 3 , in this embodiment, the processing device further includes a positioning part 5 installed on the stage 1. The positioning part 5 and the expansion part 2 are arranged in an avoidance manner. The end face of the positioning part 5 away from the stage 1 defines the reference height position of the workpiece fixed to the stage 1. Among them, the reference height position refers to the height position after the thin-walled plate is installed on the stage 1 and does not press against the expansion part 2. The positioning part 5 provides support for the workpiece in the height direction.

[0035] Referring to Figure 3 , the positioning parts 5 are distributed around the stage 1. The limiting component 3 includes a limiting end that cooperates with the expansion part 2 to press the workpiece on the stage 1, and the limiting end is arranged adjacent to the positioning part 5. In this embodiment, the positioning parts 5 are located in the areas near the corners of the stage 1. The positioning part 5 includes four positioning columns fixedly installed on the stage 1. The stage 1 is set to be square, and the four positioning columns are respectively installed at the four corners of the square stage 1. In this embodiment, there are four groups of corresponding limiting components 3, which are also located at the four corners of the square stage 1 respectively.

[0036] Referring to Figure 3 and Figure 5 , the limiting component 3 includes a driving part 31 and a pressing rod 32. The driving part 31 is installed on the side of the stage 1, and the limiting end is the end of the pressing rod 32 away from the driving part 31. The driving part 31 can drive the limiting end to press the workpiece. Among them, the driving part 31 can be a cylinder or an electric push rod, etc.

[0037] In this embodiment, the limiting component 3 further includes a connecting rod 33. One end of the connecting rod 33 is hinged to the stage 1, and the other end is hinged to the abutting plate. The driving part 31 drives the pressing rod 32 to rotate with the hinge point between the pressing rod 32 and the connecting rod 33 as the fulcrum. When the driving part 31 drives the abutting rod to move, the pressing rod 32 rotates with the hinge point between the pressing rod 32 and the connecting rod 33 as the fulcrum, so that the limiting end can approach the surface of the pressed workpiece to complete the limiting and fixing of the workpiece.

[0038] The implementation principle of the processing device in this embodiment is as follows: First, place the thin-walled plate on the positioning member 5 so that the workpiece to be processed is at the reference height position. Then, the limiting end of the limiting component 3 is abutted to fix the workpiece on the stage 1. After fixation, the inflation member 2 is supplied with gas by the gas supply member so that the inflation surface is displaced away from the stage 1 to support and abut the deformed area of the workpiece. Finally, the workpiece is machined. Among them, since the workpiece is supported by the inflation member 2 in a state where its shape remains unchanged, it will not be affected by machining stress and springback deformation due to yield force, and thus the machining accuracy of the workpiece can be guaranteed. At the same time, compared with glue curing support, there is no need for an extra separation step between the inflation member 2 and the machined workpiece in this embodiment, so the machining efficiency is effectively improved.

[0039] For those skilled in the art, it is obvious that the present invention is not limited to the details of the above exemplary embodiments, and without departing from the spirit or basic characteristics of the present invention, the present invention can be implemented in other specific forms. Therefore, from any point of view, the embodiments should be regarded as exemplary and non-limiting. The scope of the present invention is defined by the appended claims rather than the above description. Therefore, all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the present invention. Any reference signs in the claims should not be regarded as limiting the claimed rights.

[0040] In addition, it should be understood that although this specification is described according to embodiments, not every embodiment only contains an independent technical solution. This narrative way of the specification is only for clarity. Those skilled in the art should regard the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that can be understood by those skilled in the art.

Claims

1. A processing device, characterized in that, It includes a stage (1), an expansion member (2), and a limiting component (3); the expansion member (2) is arranged on the stage (1), the expansion member (2) includes an expansion surface, and the expansion member (2) can expand to cause the expansion surface to generate a displacement away from the stage (1) so as to abut and support a workpiece cooperatively fixed on the stage (1) by the limiting component (3).

2. The processing device according to claim 1, wherein The expansion surface includes a plurality of expansion units that can independently generate displacements.

3. The processing device according to claim 2, characterized in that, It further includes a grid plate (4) cooperatively installed with the expansion member (2) on the stage (1), the grid plate (4) includes a plurality of grids corresponding to the plurality of expansion units, and the expansion units can pass through the corresponding grids to generate displacements away from the stage (1).

4. The processing device according to claim 3, wherein, The shape of a single grid is square, and the plurality of grids are arranged in an array.

5. The processing device according to claim 3, characterized in that, The expansion member (2) includes an airbag, the airbag includes a communication part (21) and a plurality of convex airbag parts (22) communicated with the communication part (21), the plurality of convex airbag parts (22) are correspondingly accommodated in the plurality of grids, and the expansion units are formed on the convex airbag parts (22).

6. The processing device according to claim 5, wherein It further includes a gas supply member, the stage (1) is provided with an installation space (11) for installing the communication part (21), and air holes (12) for communicating the communication part (21) and the gas supply member are formed on the peripheral wall of the installation space (11).

7. The processing device according to any one of claims 1 to 6, characterized in that The expansion surface is made of a flexible material, and the expansion surface generates an expansion deformation when the expansion member (2) expands to fit a workpiece cooperatively fixed on the stage (1) by the limiting component (3).

8. The processing device according to claim 1, characterized in that, It further includes a positioning member (5) installed on the stage (1), the positioning member (5) is arranged in an avoidance manner with the expansion member (2), and the end surface of the positioning member (5) away from the stage (1) defines the reference height position of the workpiece fixed on the stage (1).

9. The processing device according to claim 8, characterized in that, The positioning members (5) are distributed around the stage (1) in a ring shape, the limiting component (3) includes a limiting end that cooperates with the expansion member (2) to press the workpiece on the stage (1), and the limiting end is arranged adjacent to the positioning member (5).

10. The processing device according to claim 9, wherein, The limiting component (3) includes a driving member (31) and a pressing rod (32), the driving member (31) is installed on the side of the stage (1), the limiting end is the end of the pressing rod (32) away from the driving member (31), and the driving member (31) can drive the limiting end to press the workpiece. And / or, the positioning member (5) is located in an area close to the corners of the stage (1).

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