阅读说明：本技术 一种整体带筋壁板精密加工工装和方法 (Tool and method for precisely machining integral ribbed wallboard ) 是由 何建伟 陆政 刘宝诚 樊振中 张东 胡勇 宋保永 王婧超 潘忠文 邙晓斌 李绍威 于 2021-01-25 设计创作，主要内容包括：本发明公开了一种整体带筋壁板精密加工工装和方法,具体涉及铝合金加工领域,包括面区和真空存储罐,所述铣面区两侧分别设置有下压吸盘和上压吸盘,所述真空存储罐一侧设有真空泵。本发明通过根据不同壁板的外形尺寸加工钢制模板,在钢制模板与底板之间设计加装了一套真空吸盘装置,采用若干个矩形吸盘,既能保证足够的吸力又能满足底板与吸盘之间足够的贴合度,下压吸盘将壁板整体吸附,并且由于自身1吨多的重力作用于铝板,保证铣面区能够满足加工的要求,根据板长采用数控铣床逐段完成铣削作业,经离线式超声波测厚仪测量铣面厚度,可以满足1.5mm±0.2mm的精度要求。(The invention discloses a tool and a method for precisely machining an integral ribbed wallboard, and particularly relates to the field of aluminum alloy machining. According to the invention, the steel template is processed according to the external dimensions of different wallboards, a set of vacuum sucker device is additionally arranged between the steel template and the bottom plate, a plurality of rectangular suckers are adopted, so that enough suction can be ensured, and enough fitting degree between the bottom plate and the suckers can be met, the suckers are pressed down to adsorb the whole wallboard, and more than 1 ton of gravity acts on the aluminum plate, so that the milled surface area can meet the processing requirement, the milling operation is completed section by using a numerical control milling machine according to the plate length, and the milled surface thickness is measured by an off-line ultrasonic thickness gauge, so that the precision requirement of 1.5mm +/-0.2 mm can be met.)

1. The utility model provides an integral ribbed wallboard precision finishing frock which characterized in that: comprises a milling surface area (1) and a vacuum storage tank (4), wherein a lower pressure suction cup (2) and an upper pressure suction cup (3) are respectively arranged at two sides of the milling surface area (1), a vacuum pump (5) is arranged on one side of the vacuum storage tank (4), pipelines are connected between the milling surface area (1), the lower pressure suction cup (2), the upper pressure suction cup (3) and the vacuum pump (5) and the vacuum storage tank (4), the pipelines between the milling surface area (1), the lower pressure sucker (2), the upper pressure sucker (3) and the vacuum storage tank (4) are arranged into two paths, one path of pipeline is respectively connected with the lower pressure sucker (2) and the upper pressure sucker (3), the other path of pipeline is connected with the milling surface area (1), electromagnetic control valves (6) are fixedly arranged on the two paths of pipelines, the lower pressure sucker (2), the upper pressure sucker (3) and the vacuum storage tank (4) are all externally connected with a vacuum meter (7);

the pressing sucker (2) and the pressing sucker (3) both comprise a base plate (31), an exhaust port (32) is formed in one side of the base plate (31), an air inlet (33) is formed in the other side of the base plate, a communicating channel (34) is formed between the exhaust port (32) and the air inlet (33), an external connecting channel (35) is formed between the basic top end and the communicating channel (34), a plurality of rubber cups (36) are fixedly arranged on the bottom surface of the base plate (31), and an exhaust channel (37) is formed between the inner cavity of each rubber cup (36) and the exhaust port (32).

2. The precision machining tool for the integral ribbed wallboard according to claim 1, characterized in that: the external connecting channel (35) is used for being connected with a vacuum meter (7) externally, and the vacuum meter (7) is set to be an electronic digital vacuum meter (7).

3. The precision machining tool for the integral ribbed wallboard according to claim 1, characterized in that: the tool further comprises a controller, and the vacuum pump (5), the electromagnetic control valve (6) and the vacuum meter (7) are all electrically connected with the controller.

4. The precision machining tool for the integral ribbed wallboard according to claim 1, characterized in that: the exhaust port (32), the air inlet (33), the communication channel (34) and the external connection channel (35) are all arranged inside the substrate (31) and are communicated with each other.

5. The precision machining tool for the integral ribbed wallboard according to claim 1, characterized in that: the milling surface area (1) comprises a working table surface and a template, and the template is a steel template with the thickness of 100 and 150 mm.

6. A machining method for the precision machining tool of the integral ribbed wallboard according to any one of claims 1 to 5, characterized by comprising the following steps of: the specific processing steps are as follows:

s1, template preparation: processing a steel template with the thickness of 100-150mm, which can enable the wall plate to be processed to be completely embedded, according to the external dimensions of different processed wall plates;

s2, preparing: closing electromagnetic control valves (6) on the two pipelines, vacuumizing a vacuum storage tank (4) by a vacuum pump (5) tool, and closing the vacuum pump (5) after the vacuum setting is reached;

s3, rib plate installation: placing a rib plate to be processed into a template, enabling a lower pressure sucking disc (2) and an upper pressure sucking disc (3) to vertically correspond to the rib plate to be processed, opening electromagnetic control valves (6) corresponding to two pipelines, and sucking out redundant air in a rubber cup (36) through a communicating channel (34) and an exhaust channel (37) by negative pressure in a vacuum storage tank (4) through an air inlet (33) so as to complete 'upper pressure-down suction' type fixation between the lower pressure sucking disc (2) and the upper pressure sucking disc (3) and the rib plate;

s4, milling: and after the installation in the step S3 is finished, finishing the milling operation section by adopting a numerical control milling machine according to the plate length.

7. The machining method of the precision machining tool for the integral ribbed wallboard according to claim 6, characterized in that: the determination criterion of the vacuum state of the vacuum storage tank 4 in the step S2 is set such that the value of the vacuum table (7) corresponding to the vacuum storage tank (4) reaches-0.08 MPa.

8. The machining method of the precision machining tool for the integral ribbed wallboard according to claim 6, characterized in that: in the step S3, a control valve is connected outside the exhaust port (32).

Technical Field

The invention relates to the technical field of aluminum alloy processing, in particular to a tool and a method for precisely processing an integral ribbed wallboard.

Background

The integral ribbed wallboard can be made of various typical aging aluminum alloys, has high specific strength, high specific rigidity and good processing performance, and can be applied to various front-edge fields such as aerospace, ship manufacturing and the like. The extruded wallboard tube is subjected to a plurality of processes such as slitting, annealing, flattening, secondary annealing, stretching and the like to form the wallboard shown in the following figure 4.

The thickness of the panel is about 6-10mm and the lower surface must be machined to 1.5mm + -0.2 mm. The finished panel is shown in fig. 5. After the wallboard is processed by the multiple processes, the flatness, thickness and rib platform height of the surface of the board have large deviation, and the machining precision deviation of +/-0.2 mm is difficult to ensure in the face milling process.

Disclosure of Invention

In order to overcome the above defects in the prior art, embodiments of the present invention provide a tool and a method for precision machining of an integral ribbed wallboard, and the technical problem to be solved by the present invention is: how to improve the accuracy of the whole ribbed wallboard in the face milling process.

In order to achieve the purpose, the invention provides the following technical scheme: the tool comprises a milling area and a vacuum storage tank, wherein a lower pressure sucker and an upper pressure sucker are respectively arranged on two sides of the milling area, a vacuum pump is arranged on one side of the vacuum storage tank, pipelines are respectively connected between the milling area, the lower pressure sucker, the upper pressure sucker, the vacuum pump and the vacuum storage tank, the pipelines between the milling area, the lower pressure sucker, the upper pressure sucker and the vacuum storage tank are arranged into two paths, one path of pipeline is respectively connected with the lower pressure sucker and the upper pressure sucker, the other path of pipeline is connected with the milling area, electromagnetic control valves are fixedly arranged on the two paths of pipelines, and the lower pressure sucker, the upper pressure sucker and the vacuum storage tank are respectively connected with a vacuum meter;

the lower pressure sucking disc and the upper pressure sucking disc both comprise base plates, an exhaust port is formed in one side of each base plate, an air inlet is formed in the other side of each base plate, a communicating channel is formed between each exhaust port and each air inlet, an outer connecting channel is formed between each basic top end and each communicating channel, a plurality of rubber leather cups are fixedly arranged on the bottom surfaces of the base plates, and an exhaust channel is formed between each inner cavity of each rubber leather cup and each exhaust port.

In a preferred embodiment, the external channel is used for externally connecting a vacuum gauge, and the vacuum gauge is provided as an electronic digital vacuum gauge.

In a preferred embodiment, the tool further comprises a controller, and the vacuum pump, the electromagnetic control valve and the vacuum gauge are all electrically connected with the controller.

In a preferred embodiment, the exhaust port, the intake port, the communication channel and the external connection channel are all disposed inside the substrate and are communicated with each other.

In a preferred embodiment, the milled area comprises a work surface and a template, and the template is a 100-150mm thick steel template.

The invention also comprises a processing method of the precision processing tool for the integral ribbed wallboard, which comprises the following specific processing steps:

s1, template preparation: processing a steel template (the thickness of the template is adjusted according to the height of the rib) which can enable the wall plate to be processed to be completely embedded and has the thickness of 100-150mm according to the external dimensions of different processed wall plates; the plate is irregularly deformed after early-stage heat treatment, and the rib plate can meet the requirements after stretching treatment, but the flatness of the part of the working table surface is difficult to ensure, which is the core of the tool needing to be broken through; the rib plates and the template can be better attached together;

s2, preparing: closing electromagnetic control valves on the two pipelines, vacuumizing a vacuum storage tank by using a vacuum pump tool, and closing a vacuum pump after vacuum setting is achieved;

s3, rib plate installation: placing a rib plate to be processed into a template, enabling a lower pressure sucking disc and an upper pressure sucking disc to correspond to the rib plate to be processed up and down, opening electromagnetic control valves corresponding to the two pipelines, and pumping out redundant air in a rubber cup by negative pressure in a vacuum storage tank through an air inlet through a communicating channel and an exhaust channel so as to complete 'upper pressure lower suction' type fixation between the lower pressure sucking disc and the rib plate and between the upper pressure sucking disc and the rib plate;

s4, milling: and after the installation in the step S3 is finished, finishing the milling operation section by adopting a numerical control milling machine according to the plate length.

In a preferred embodiment, the determination criterion of the vacuum state of the vacuum storage tank in the step S2 is set to set the corresponding vacuum table value of the vacuum storage tank to-0.08 MPa.

In a preferred embodiment, a control valve is connected to the outside of the exhaust port in step S3.

The invention has the technical effects and advantages that:

according to the invention, the steel template is processed according to the external dimensions of different wallboards, a set of vacuum sucker device is additionally arranged between the steel template and the bottom plate, and a plurality of rectangular suckers are adopted, so that enough suction can be ensured, and enough fitting degree between the bottom plate and the suckers can be met, thus an upper pressure sucker system is used.

Drawings

Fig. 1 is a schematic view of the overall working principle of the present invention.

FIG. 2 is a schematic cross-sectional view of the upper pressure chuck of the present invention.

FIG. 3 is a schematic view of the distribution structure of the processing surface of the present invention.

Fig. 4 is a schematic view of a prior art panel construction of the present invention.

Fig. 5 is a schematic view of the finished prior art panel of the present invention.

The reference signs are: the device comprises a milling surface area 1, a lower pressing suction cup 2, an upper pressing suction cup 3, a base plate 31, an exhaust port 32, an air inlet 33, a communication channel 34, an external connection channel 35, a rubber cup 36, an exhaust channel 37, a vacuum storage tank 4, a vacuum pump 5, an electromagnetic control valve 6 and a vacuum meter 7.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the 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.

Example 1:

the invention provides a precision machining tool for an integral ribbed wallboard, which comprises a milling surface area 1 and a vacuum storage tank 4, wherein a lower pressure suction cup 2 and an upper pressure suction cup 3 are respectively arranged on two sides of the milling surface area 1, a vacuum pump 5 is arranged on one side of the vacuum storage tank 4, pipelines are respectively connected between the milling surface area 1, the lower pressure suction cup 2, the upper pressure suction cup 3, the vacuum pump 5 and the vacuum storage tank 4, the pipelines between the milling surface area 1, the lower pressure suction cup 2, the upper pressure suction cup 3 and the vacuum storage tank 4 are arranged into two paths, one pipeline is respectively connected with the lower pressure suction cup 2 and the upper pressure suction cup 3, the other pipeline is connected with the milling surface area 1, electromagnetic control valves 6 are fixedly arranged on the two pipelines, and a vacuum meter 7 is respectively connected outside the lower pressure suction cup 2, the upper pressure suction cup 3 and;

the lower pressure suction cup 2 and the upper pressure suction cup 3 both comprise a base plate 31, an exhaust port 32 is formed in one side of the base plate 31, an air inlet 33 is formed in the other side of the base plate 31, a communicating channel 34 is formed between the exhaust port 32 and the air inlet 33, an external connecting channel 35 is formed between the basic top end and the communicating channel 34, a plurality of rubber cups 36 are fixedly arranged on the bottom surface of the base plate 31, and an exhaust channel 37 is formed between the inner cavity of each rubber cup 36 and the exhaust port 32.

The tool further comprises a controller, wherein the vacuum pump 5, the electromagnetic control valve 6 and the vacuum gauge 7 are electrically connected with the controller, the exhaust port 32, the air inlet 33, the communicating channel 34 and the external connecting channel 35 are arranged inside the substrate 31 and are communicated with each other, the milling surface area 1 comprises a working table and a template, and the template is a steel template with the thickness of 100 plus 150 mm;

the invention also comprises a processing method of the precision processing tool for the integral ribbed wallboard, which comprises the following specific processing steps:

s1, preparing: closing electromagnetic control valves 6 on the two pipelines, vacuumizing a vacuum storage tank 4 by a vacuum pump 5 tool, and closing the vacuum pump 5 after the numerical value of a vacuum meter 7 corresponding to the vacuum storage tank 4 reaches-0.08 MPa;

s2, rib plate installation: placing a rib plate to be processed into a template, enabling the lower pressure suction cup 2 and the upper pressure suction cup 3 to correspond to the rib plate to be processed up and down, opening the electromagnetic control valves 6 corresponding to the two pipelines, and pumping out redundant air in the rubber cup 36 by negative pressure in the vacuum storage tank 4 through the air inlet 33 and the communicating channel 34 and the exhaust channel 37, so that 'upper pressure suction and lower suction' type fixation between the lower pressure suction cup 2 and the upper pressure suction cup 3 and the rib plate is completed;

s3, milling: and after the installation in the step S2 is finished, finishing the milling operation section by adopting a numerical control milling machine according to the plate length.

Example 2:

the invention provides a precision machining tool for an integral ribbed wallboard, which comprises a milling surface area 1 and a vacuum storage tank 4, wherein a lower pressure suction cup 2 and an upper pressure suction cup 3 are respectively arranged on two sides of the milling surface area 1, a vacuum pump 5 is arranged on one side of the vacuum storage tank 4, pipelines are respectively connected between the milling surface area 1, the lower pressure suction cup 2, the upper pressure suction cup 3, the vacuum pump 5 and the vacuum storage tank 4, the pipelines between the milling surface area 1, the lower pressure suction cup 2, the upper pressure suction cup 3 and the vacuum storage tank 4 are arranged into two paths, one pipeline is respectively connected with the lower pressure suction cup 2 and the upper pressure suction cup 3, the other pipeline is connected with the milling surface area 1, electromagnetic control valves 6 are fixedly arranged on the two pipelines, and a vacuum meter 7 is respectively connected outside the lower pressure suction cup 2, the upper pressure suction cup 3 and;

the lower pressure suction cup 2 and the upper pressure suction cup 3 both comprise a base plate 31, an exhaust port 32 is formed in one side of the base plate 31, an air inlet 33 is formed in the other side of the base plate 31, a communicating channel 34 is formed between the exhaust port 32 and the air inlet 33, an external connecting channel 35 is formed between the basic top end and the communicating channel 34, a plurality of rubber cups 36 are fixedly arranged on the bottom surface of the base plate 31, and an exhaust channel 37 is formed between the inner cavity of each rubber cup 36 and the exhaust port 32.

The tool further comprises a controller, wherein the vacuum pump 5, the electromagnetic control valve 6 and the vacuum gauge 7 are electrically connected with the controller, the exhaust port 32, the air inlet 33, the communicating channel 34 and the external connecting channel 35 are arranged inside the substrate 31 and are communicated with each other, the milling surface area 1 comprises a working table and a template, and the template is a steel template with the thickness of 100 plus 150 mm;

the invention also comprises a processing method of the precision processing tool for the integral ribbed wallboard, which comprises the following specific processing steps:

s1, template preparation: processing a steel template (the thickness of the template is adjusted according to the height of the rib) which can enable the wall plate to be processed to be completely embedded and has the thickness of 100-150mm according to the external dimensions of different processed wall plates; the plate is irregularly deformed after early-stage heat treatment, and the rib plate can meet the requirements after stretching treatment, but the flatness of the part of the working table surface is difficult to ensure, which is the core of the tool needing to be broken through; the rib plates and the template can be better attached together;

s2, preparing: closing electromagnetic control valves 6 on the two pipelines, vacuumizing a vacuum storage tank 4 by a vacuum pump 5 tool, and closing the vacuum pump 5 after the numerical value of a vacuum meter 7 corresponding to the vacuum storage tank 4 reaches-0.08 MPa;

s3, rib plate installation: placing a rib plate to be processed at a milling workbench, enabling a lower pressure sucking disc 2 and an upper pressure sucking disc 3 to vertically correspond to the rib plate to be processed, opening electromagnetic control valves 6 corresponding to two pipelines, and pumping out redundant air in a rubber cup 36 by negative pressure in a vacuum storage tank 4 through an air inlet 33 via a communicating channel 34 and an exhaust channel 37, so that 'upper pressure sucking' type fixation between the lower pressure sucking disc 2 and the rib plate and 'upper pressure sucking' type fixation between the upper pressure sucking disc 3 and the rib plate are completed;

s4, milling: and after the installation in the step S3 is finished, finishing the milling operation section by adopting a numerical control milling machine according to the plate length.

Example 3:

the invention provides a precision machining tool for an integral ribbed wallboard, which comprises a milling surface area 1 and a vacuum storage tank 4, wherein a lower pressure suction cup 2 and an upper pressure suction cup 3 are respectively arranged on two sides of the milling surface area 1, a vacuum pump 5 is arranged on one side of the vacuum storage tank 4, pipelines are respectively connected between the milling surface area 1, the lower pressure suction cup 2, the upper pressure suction cup 3, the vacuum pump 5 and the vacuum storage tank 4, the pipelines between the milling surface area 1, the lower pressure suction cup 2, the upper pressure suction cup 3 and the vacuum storage tank 4 are arranged into two paths, one pipeline is respectively connected with the lower pressure suction cup 2 and the upper pressure suction cup 3, the other pipeline is connected with the milling surface area 1, electromagnetic control valves 6 are fixedly arranged on the two pipelines, and a vacuum meter 7 is respectively connected outside the lower pressure suction cup 2, the upper pressure suction cup 3 and;

the lower pressure suction cup 2 and the upper pressure suction cup 3 both comprise a base plate 31, an exhaust port 32 is formed in one side of the base plate 31, an air inlet 33 is formed in the other side of the base plate 31, a communicating channel 34 is formed between the exhaust port 32 and the air inlet 33, an external connecting channel 35 is formed between the basic top end and the communicating channel 34, a plurality of rubber cups 36 are fixedly arranged on the bottom surface of the base plate 31, and an exhaust channel 37 is formed between the inner cavity of each rubber cup 36 and the exhaust port 32.

The tool further comprises a controller, wherein the vacuum pump 5, the electromagnetic control valve 6 and the vacuum gauge 7 are electrically connected with the controller, the exhaust port 32, the air inlet 33, the communicating channel 34 and the external connecting channel 35 are arranged inside the substrate 31 and are communicated with each other, the milling surface area 1 comprises a working table and a template, and the template is a steel template with the thickness of 100 plus 150 mm;

the invention also comprises a processing method of the precision processing tool for the integral ribbed wallboard, which comprises the following specific processing steps:

s1, template preparation: processing a steel template (the thickness of the template is adjusted according to the height of the rib) which can enable the wall plate to be processed to be completely embedded and has the thickness of 100-150mm according to the external dimensions of different processed wall plates; the plate is irregularly deformed after early-stage heat treatment, and the rib plate can meet the requirements after stretching treatment, but the flatness of the part of the working table surface is difficult to ensure, which is the core of the tool needing to be broken through; the rib plates and the template can be better attached together;

s2, preparing: closing electromagnetic control valves 6 on the two pipelines, vacuumizing a vacuum storage tank 4 by a vacuum pump 5 tool, and closing the vacuum pump 5 after the numerical value of a vacuum meter 7 corresponding to the vacuum storage tank 4 reaches-0.08 MPa;

s3, rib plate installation: placing a rib plate to be processed into the template, and fixing by adopting a traditional sucking disc crane;

s4, milling: and after the installation in the step S3 is finished, finishing the milling operation section by adopting a numerical control milling machine according to the plate length.

Example 4:

the following data were obtained by taking the integral ribbed wallboard processed in the above examples 1-3 for post-precision testing and selecting the integral ribbed wallboard processed by the prior art as a comparative example:

as can be seen from the table above, the finish machining method in the embodiment 2 is the most moderate, and the tool machined by the method can stably meet the precision requirement of 1.5mm +/-0.2 mm, so that the machining requirement of a manufacturer is met.

The points to be finally explained are: first, in the description of the present application, it should be noted that, unless otherwise specified and limited, the terms "mounted," "connected," and "connected" should be understood broadly, and may be a mechanical connection or an electrical connection, or a communication between two elements, and may be a direct connection, and "upper," "lower," "left," and "right" are only used to indicate a relative positional relationship, and when the absolute position of the object to be described is changed, the relative positional relationship may be changed;

secondly, the method comprises the following steps: in the drawings of the disclosed embodiments of the invention, only the structures related to the disclosed embodiments are referred to, other structures can refer to common designs, and the same embodiment and different embodiments of the invention can be combined with each other without conflict;

and finally: the above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that are within the spirit and principle of the present invention are intended to be included in the scope of the present invention.