Turning machining device for irregular part with large turning radius and using method of turning machining device

Abstract

The invention discloses a turning device for irregular parts with large turning radiuses and a using method of the turning device. The turning device comprises a numerical control vertical lathe, an X-axis guide rail and an auxiliary center device. The method comprises the following steps: (1) selecting a corresponding combined die according to the boundary dimension of a part to be processed, clamping the part to be processed, and positioning the part to be processed on a rotary table of a numerical control vertical lathe; (2) the positions of the center fixing device in the X-axis direction and the Z-axis direction are adjusted, so that the center fixing device abuts against a center hole of the machined part; and (3) a rotating table of the numerical control vertical lathe starts to rotate, and a machine tool spindle of the numerical control vertical lathe drives a cutting tool to conduct turning machining on the machined part. The method is good in reliability, innovativeness and economical efficiency, and compared with a traditional machining process method, the clamping efficiency and the machining efficiency are obviously improved, and the machining cost and the time cost are obviously reduced.

Description

Technical Field

[0001] The invention relates to the technical field of mechanical processing, and in particular to a turning processing device for irregular parts with a large turning radius and a use method thereof. Background Art

[0002] For large armored vehicles and large mechanical equipment, the precision of irregular parts with large turning radius such as crank arms and balance shafts is extremely important. At present, the turning processing of such parts is mainly carried out on CNC horizontal lathes. However, due to the structure of CNC horizontal lathes, the difficulty of clamping parts is greatly increased and the operating safety is reduced. In the clamping process of such parts, not only the factors of clamping positioning but also the influence of the part's own gravity must be considered, and special fixtures need to be designed according to the structure and shape of the parts. Therefore, the design of special fixtures in the processing process, the clamping process of fixtures and parts, etc., have greatly affected the processing efficiency and increased the processing cost. Summary of the invention

[0003] The purpose of the present invention is to provide a turning processing device for irregular parts with large turning radius and a use method thereof.

[0004] The technical solution adopted to achieve the technical purpose of the present invention is as follows: a turning processing device for irregular parts with a large turning radius, including: a CNC vertical lathe, an X-axis guide rail, and an auxiliary center device.

[0005] The CNC vertical lathe is used to carry an X-axis guide rail and an auxiliary center device.

[0006] The X-axis guide rail is fixedly installed on the CNC vertical lathe.

[0007] The auxiliary center device includes an X-axis moving module, a Z-axis moving module, and a center fixing device.

[0008] The X-axis moving module matches the X-axis guide rail, thereby adjusting the position of the center fixing device in the X-axis direction.

[0009] The auxiliary center device adjusts the position of the center fixing device in the Z-axis direction through the Z-axis moving module.

[0010] The top fixing device is located at the bottom of the auxiliary top device.

[0011] The center fixing device is used for auxiliary support of the processed parts.

[0012] When turning with the turning processing device, the processed parts are placed on the rotary table of the CNC vertical lathe, and the processed parts are positioned and clamped by the combined mold. The X-axis moving module and the Z-axis moving module are adjusted so that the top fixing device supports the processed parts, and the CNC vertical lathe turns the processed parts with the cutting tool at the bottom of the machine tool spindle.

[0013] Further, the X-axis moving module includes a slide plate.

[0014] Furthermore, the Z-axis moving module is a linear drive mechanism installed on a vertical plate of the auxiliary top device.

[0015] Furthermore, the linear drive mechanism includes a guide rail, a bearing, a lead screw, and a manual wheel.

[0016] Furthermore, the center point fixing device includes an auxiliary device sleeve and a plurality of centers with different shapes.

[0017] The auxiliary device sleeve is fixedly mounted on the auxiliary top device.

[0018] According to the size of the center hole of the processed part, the corresponding center is selected and installed on the auxiliary device sleeve, thereby providing auxiliary support for the processed part.

[0019] The method for using the turning processing device comprises the following steps:

[0020] 1) According to the dimensions of the parts to be processed, select the corresponding combination mold, clamp the parts to be processed, and position them on the rotary table of the CNC vertical lathe.

[0021] 2) Adjust the position of the center fixture in the X-axis and Z-axis directions so that the center fixture supports the center hole of the part being processed.

[0022] 3) The rotary table of the CNC vertical lathe starts to rotate, and the machine spindle of the CNC vertical lathe drives the cutting tool to turn the processed parts.

[0023] The technical effect of the present invention is unquestionable. The present invention has been successfully applied to the turning processing technology field of parts with large turning radius and irregular shape, which significantly improves the clamping efficiency and processing efficiency of such parts. The part turning processing method of the present invention has good reliability, innovation and economy. Compared with the traditional processing method, the clamping efficiency and processing efficiency are significantly improved, and the processing cost and time cost are significantly reduced.

[0024] The present invention has been successfully applied to the technical field of turning processing of irregular shaft parts. Different types of irregular parts with large turning radius can be turned by the method of the present invention. Compared with traditional processing methods, the processing efficiency is greatly improved and the processing cost is reduced.

[0025] The invention combines the advantages of a CNC vertical lathe, which can process large turning radius and facilitate parts clamping, and the characteristics of the center device, which can provide additional support to parts to improve the rigidity of parts during processing. Compared with the traditional processing method using a CNC horizontal lathe, it reduces the need to design special fixtures according to different parts, and greatly reduces processing costs and processing time.

[0026] By adopting the turning processing method described in the present invention, the operator only needs to use the combined mold to position and clamp the bottom of the processed parts, and then adjust the auxiliary center to provide additional support for the parts for processing. There is no need to design special fixtures and carry out cumbersome clamping processes, which improves the clamping efficiency of the parts, production efficiency, and stability and safety during the processing. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] Figure 1 It is a schematic diagram of the turning processing device;

[0028] In the figure, there are a CNC vertical lathe body 1, an auxiliary center device 2, a machined component 3, and a machine tool spindle 4. DETAILED DESCRIPTION

[0029] The present invention is further described below in conjunction with the embodiments, but it should not be understood that the above subject matter of the present invention is limited to the following embodiments. Without departing from the above technical ideas of the present invention, various substitutions and changes are made according to the common technical knowledge and customary means in the art, which should all be included in the protection scope of the present invention.

[0030] Embodiment 1:

[0031] See also Figure 1 A turning processing device for irregular parts with large turning radius includes: a CNC vertical lathe, an X-axis guide rail, and an auxiliary center device 2.

[0032] The CNC vertical lathe is used to carry an X-axis guide rail and an auxiliary center device 2.

[0033] The X-axis guide rail is fixedly installed on the CNC vertical lathe.

[0034] The auxiliary center device 2 includes an X-axis moving module, a Z-axis moving module, and a center fixing device.

[0035] The X-axis moving module matches the X-axis guide rail, thereby adjusting the position of the center fixing device in the X-axis direction.

[0036] The auxiliary center device 2 adjusts the position of the center fixing device in the Z-axis direction through the Z-axis moving module.

[0037] The top fixing device is located at the bottom of the auxiliary top device 2.

[0038] The center fixing device is used to assist in supporting the processed component 3.

[0039] When turning is performed using the turning device, the workpiece 3 is placed on the rotary table of the CNC vertical lathe, and the workpiece 3 is positioned and clamped by the combined mold. The X-axis moving module and the Z-axis moving module are adjusted so that the center fixing device supports the workpiece 3, and the CNC vertical lathe turns the workpiece 3 through the cutting tool at the bottom of the machine tool spindle 4.

[0040] Embodiment 2:

[0041] A turning processing device for irregular parts with a large turning radius, the main technical content of which is shown in Example 1. Furthermore, the X-axis moving module includes a slide plate.

[0042] Embodiment 3:

[0043] A turning processing device for irregular parts with a large turning radius, the main technical content of which is shown in any one of Examples 1 to 2. Furthermore, the Z-axis moving module is a linear drive mechanism installed on the vertical plate of the auxiliary center device 2.

[0044] Embodiment 4:

[0045] A turning processing device for irregular parts with large turning radius, the main technical content of which is shown in any one of Examples 1 to 3. Furthermore, the linear drive mechanism includes a guide rail, a bearing, a lead screw, and a manual wheel.

[0046] Embodiment 5:

[0047] A turning processing device for irregular parts with large turning radius, the main technical content of which is shown in any one of Examples 1 to 4. Furthermore, the center fixing device includes an auxiliary device sleeve and several centers with different shapes.

[0048] The auxiliary device sleeve is fixedly mounted on the auxiliary top device 2 .

[0049] According to the size of the center hole of the processed component 3, a corresponding center is selected and installed on the sleeve of the auxiliary device, thereby providing auxiliary support for the processed component 3.

[0050] Embodiment 6:

[0051] The method for using the turning processing device according to any one of embodiments 1 to 5 comprises the following steps:

[0052] 1) According to the dimensions of the parts to be processed, select the corresponding combination mold, clamp the parts to be processed, and position them on the rotary table of the CNC vertical lathe.

[0053] 2) Adjust the position of the center fixture in the X-axis and Z-axis directions so that the center fixture supports the center hole of the part being processed.

[0054] 3) The rotary table of the CNC vertical lathe starts to rotate, and the machine spindle of the CNC vertical lathe drives the cutting tool to turn the processed parts.

[0055] Embodiment 7:

[0056] See also Figure 1 A turning processing device for irregular parts with large turning radius includes: a CNC vertical lathe, an X-axis guide rail, and an auxiliary center device 2.

[0057] The CNC vertical lathe is used to carry an X-axis guide rail and an auxiliary center device 2.

[0058] The X-axis guide rail is fixedly mounted on the CNC vertical lathe body 1 .

[0059] The auxiliary center device 2 includes an X-axis moving module, a Z-axis moving module, and a center fixing device.

[0060] The X-axis moving module matches the X-axis guide rail, thereby adjusting the position of the center fixing device in the X-axis direction.

[0061] The auxiliary center device 2 adjusts the position of the center fixing device in the Z-axis direction through the Z-axis moving module.

[0062] The top fixing device is located at the bottom of the auxiliary top device 2.

[0063] The center fixing device is used to assist in supporting the processed component 3.

[0064] When turning is performed using the turning device, the workpiece 3 is placed on the rotary table of the CNC vertical lathe, and the workpiece 3 is positioned and clamped by the combined mold. The X-axis moving module and the Z-axis moving module are adjusted so that the center fixing device supports the workpiece 3, and the CNC vertical lathe turns the workpiece 3 through the cutting tool at the bottom of the machine tool spindle 4.

[0065] The combined mold (commercially available) is selected according to the size and shape of the processed component 3.

[0066] Place the processed parts on the workbench of the CNC vertical lathe, and use a combination mold to position and clamp the bottom of the parts. Then adjust the position of the auxiliary center device so that the center can support the processed parts to provide additional support.

[0067] Embodiment 8:

[0068] A turning processing device for irregular parts with a large turning radius. The main technical content is shown in Example 7. Furthermore, the X-axis moving module includes a slide plate.

[0069] The designed auxiliary center device is installed on the CNC vertical lathe. The device can adjust the left and right position through its own slide with the help of the lathe's own X-axis guide rail.

[0070] Embodiment 9:

[0071] A turning processing device for irregular parts with a large turning radius, the main technical content of which is shown in any one of Examples 7 to 8. Furthermore, the Z-axis moving module is a linear drive mechanism installed on the vertical plate of the auxiliary center device 2.

[0072] Embodiment 10:

[0073] A turning processing device for irregular parts with a large turning radius, the main technical content of which is shown in any one of Examples 7 to 9. Furthermore, the linear drive mechanism includes a guide rail, a bearing, a lead screw, and a manual wheel.

[0074] Embodiment 11:

[0075] A turning processing device for irregular parts with large turning radius, the main technical content of which is shown in any one of Examples 7 to 10. Furthermore, the center fixing device includes an auxiliary device sleeve and several centers with different shapes.

[0076] The auxiliary device sleeve is fixedly mounted on the auxiliary top device 2 .

[0077] According to the size of the center hole of the processed component 3, a corresponding center is selected and installed on the sleeve of the auxiliary device, thereby providing auxiliary support for the processed component 3.

[0078] Embodiment 12:

[0079] The method for using the turning processing device according to any one of embodiments 7 to 11 comprises the following steps:

[0080] 1) According to the dimensions of the parts to be processed, select the corresponding combination mold, clamp the parts to be processed, and position them on the rotary table of the CNC vertical lathe.

[0081] 2) Adjust the position of the center fixture in the X-axis and Z-axis directions so that the center fixture supports the center hole of the part being processed.

[0082] 3) The rotary table of the CNC vertical lathe starts to rotate, and the machine spindle of the CNC vertical lathe drives the cutting tool to turn the processed parts.

[0083] Embodiment 13:

[0084] See also Figure 1 , a turning processing device for irregular parts with large turning radius and a method of using the same, comprising the following contents:

[0085] In order to solve the difficulty of turning irregular parts with a large turning radius on a CNC horizontal lathe, this embodiment utilizes the advantages of a CNC vertical lathe that can process a large turning radius and facilitate part clamping, as well as the characteristic that the center device can improve the rigidity of the parts during processing, to design a set of auxiliary center devices and integrate the auxiliary center technology with the CNC vertical lathe.

[0086] Key points of the turning method for irregular parts with large turning radius in this embodiment:

[0087] The designed auxiliary center device is installed on the CNC vertical lathe. The device can adjust the left and right position through its own slide with the help of the lathe's own X-axis guide rail, and the up and down position in the Z-axis direction can be adjusted by using guide rails, bearings, screws, manual wheels and other components.

[0088] Place the processed parts on the workbench of the CNC vertical lathe, and use a combination mold to position and clamp the bottom of the parts. Then adjust the position of the auxiliary center device so that the center can support the processed parts to provide additional support.

[0089] The cutting process of irregular parts on CNC lathe is as follows:

[0090] 1) Select a suitable center according to the size of the center hole of the part and install it on the sleeve of the auxiliary device;

[0091] 2) According to the outer dimensions of the part, use a combined mold to position and clamp its bottom on the rotary table of the CNC lathe;

[0092] 3) Adjust the X-axis position of the top device;

[0093] 4) Use the manual wheel shaft to drive the lead screw to adjust the position in the Z-axis direction;

[0094] 5) Make the top support the center hole of the processed part;

[0095] 6) The worktable rotates, and the spindle drives the tool to turn the processed parts.

[0096] By adopting the turning processing method described in this embodiment, the operator only needs to use the combination mold to position and clamp the bottom of the processed parts, and then adjust the auxiliary center to provide additional support for the parts for processing. There is no need to design special fixtures and perform cumbersome clamping processes, which improves the clamping efficiency of the parts, production efficiency, and stability and safety during the processing.

Claims

1. A turning device for irregular parts with large turning radius, characterized in that: include: CNC vertical lathe, X-axis guide rail, auxiliary center device (2); The CNC vertical lathe is used to carry an X-axis guide rail and an auxiliary center device (2); The X-axis guide rail is fixedly installed on the CNC vertical lathe; The auxiliary center device (2) comprises an X-axis moving module, a Z-axis moving module, and a center fixing device; The X-axis moving module matches the X-axis guide rail, thereby adjusting the position of the top fixing device in the X-axis direction; The auxiliary top device (2) adjusts the position of the top fixing device in the Z-axis direction through the Z-axis moving module; The top fixing device is located at the bottom of the auxiliary top device (2). The center fixing device is used for auxiliary support of the processed component (3). When turning is performed using the turning processing device, the part to be processed (3) is placed on the rotary table of the CNC vertical lathe, and the part to be processed (3) is positioned and clamped by a combined mold; the X-axis moving module and the Z-axis moving module are adjusted so that the center fixing device supports the part to be processed (3), and the CNC vertical lathe turns the part to be processed (3) using a cutting tool at the bottom of the machine tool spindle (4).

2. A turning device for irregular parts with large turning radius according to claim 1, characterized in that: The X-axis moving module includes a slide plate.

3. The turning device for irregular parts with large turning radius according to claim 1, characterized in that: The Z-axis moving module is a linear drive mechanism installed on a vertical plate of the auxiliary top device (2).

4. A turning device for irregular parts with large turning radius according to claim 3, characterized in that: The linear drive mechanism comprises a guide rail, a bearing, a lead screw and a manual wheel.

5. The turning device for irregular parts with large turning radius according to claim 1, characterized in that: The top fixing device includes an auxiliary device sleeve and a plurality of tops with different shapes; The auxiliary device sleeve is fixedly mounted on the auxiliary top device (2); A corresponding center point is selected according to the size of the center hole of the processed component (3) and installed on the auxiliary device sleeve, thereby providing auxiliary support for the processed component (3).

6. A method for using the turning device according to any one of claims 1 to 5, characterized in that: The following steps are involved: 1) According to the dimensions of the parts to be processed, select the corresponding combination mold, clamp the parts to be processed, and position them on the rotary table of the CNC vertical lathe; 2) Adjust the position of the top fixture in the X-axis and Z-axis directions so that the top fixture supports the center hole of the processed part; 3) The rotary table of the CNC vertical lathe starts to rotate, and the machine spindle of the CNC vertical lathe drives the cutting tool to turn the processed parts.

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