Five-axis numerical control rotary table machining device with adjusting function

Abstract

The utility model relates to the field of high-end spoked wheel middle hub machining, in particular to a five-axis numerical control rotary table machining device with an adjusting function. The device comprises a base, a movable seat, a hub clamping device, a portal frame, a movable cross beam, a machining main shaft and a movable driving device, the portal frame is provided with Z-direction sliding rails, and the two ends of the movable cross beam are arranged on the Z-direction sliding rails in a sliding mode. The movable cross beam is provided with an X-direction sliding rail, and the machining main shaft is arranged on the X-direction sliding rail in a sliding mode. The hub clamping device comprises a bottom plate, a clamping assembly and a support. The hub clamping device is arranged and is only clamped and fixed with the shaft sleeve part of the middle hub of the high-end spoked wheel, so that the clamping and fixing operation of the high-end spoked wheel cannot damage the structure and the appearance of the spoked wheel, and the machining is also convenient. In addition, the five-axis numerical control rotary table machining device has moving freedom degrees in multiple directions, so that the machining process of the middle hub of the high-end spoked wheel is more flexible and efficient.

Description

Technical Field

[0001] The utility model relates to the field of processing an intermediate hub of a high-end spoke wheel, in particular to a five-axis CNC turntable processing device with an adjustment function. Background Art

[0002] Among automobile wheel hub products, products are divided into different grades according to production difficulty, cost, structural characteristics, etc., among which high-end spoke hubs such as Figure 1 and Figure 2 The structure shown is complex and has higher production process requirements. The high-end spoke wheel hub mainly includes a high-end spoke wheel intermediate hub 01 in the middle, a rim portion 03 located at the outermost side of the spoke wheel intermediate hub, and spokes 04 that support and connect the high-end spoke wheel intermediate hub 01 and the rim 03; the center of the spoke wheel intermediate hub 01 is the shaft sleeve portion 02 assembled with the automobile shaft sleeve portion.

[0003] When producing high-end spoke wheel intermediate hubs, due to their complex structure, it is necessary to avoid rigid contact with the spoke wheel intermediate hub as much as possible during the processing process after casting, otherwise it is easy to cause damage to the structure or appearance design of the spoke wheel intermediate hub, and it is very easy to produce defective products. Therefore, manual intervention is generally used in the prior art to ensure that the spoke wheel intermediate hub is stably positioned during the processing as much as possible. This clamping method that requires manual intervention seriously affects the production accuracy and efficiency of high-end spoke wheel intermediate hubs. Therefore, how to achieve non-destructive and stable clamping of high-end spoke wheel intermediate hubs and realize automated precision processing is a technical problem that needs to be solved urgently in this field. Utility Model Content

[0004] In view of the above-mentioned defects, the purpose of the utility model is to propose a five-axis CNC turntable processing device with an adjustment function, so that the intermediate hub of the high-end spoke wheel can be stably clamped during the processing process and will not be damaged due to clamping, thereby facilitating the automated processing of the intermediate hub of the high-end spoke wheel and greatly improving the processing efficiency and precision.

[0005] To achieve this purpose, the utility model adopts the following technical solutions:

[0006] A five-axis CNC turntable processing device with adjustment function, comprising: a base, a moving base, a hub clamping device, a gantry, a moving beam, a processing spindle and a moving drive device; the upper surface of the base is provided with a Y-direction slide rail, and the moving base is slidably arranged on the surface of the Y-direction slide rail; the hub clamping device is fixedly installed on the moving base; the gantry is vertically arranged on the base, the gantry is provided with a Z-direction slide rail, and the two ends of the moving beam are slidably arranged on the Z-direction slide rail; the moving beam is provided with an X-direction slide rail, and the processing spindle slides The movable drive device is used to drive the machining spindle, the movable crossbeam and the movable seat to move; the wheel hub clamping device comprises: a base plate, a clamping assembly and a bracket; the clamping assembly is used to clamp and fix the shaft sleeve part of the intermediate hub of the high-end spoke wheel; the clamping assembly is installed on the base plate and can rotate parallel to the base plate around the rotating axis set in the normal direction of the base plate; the two ends of the base plate are rotatably connected to the bracket, and the base plate can be flipped in the Z-plane around the rotating axis set in the X direction relative to the bracket.

[0007] Specifically, a turntable and a self-rotation drive device are provided on the upper surface of the base plate; the rotating shaft of the turntable is arranged perpendicular to the base plate, the lower end of the rotating shaft of the turntable is transmission-connected to the self-rotation drive device, and the clamping assembly is fixedly installed on the upper end of the rotating shaft of the turntable.

[0008] Preferably, the clamping assembly includes: a screw member, a nut and a claw device; the screw member is used to pass through the sleeve portion of the middle hub of the high-end spoke wheel, and together with the nut, press the two ends of the sleeve portion; when the multiple claws of the claw device move toward the center, the nut of the screw member can be pressed from all sides.

[0009] Preferably, elastic metal pads are provided at positions where the screw rod and the nut are in contact with two end surfaces of the sleeve portion, and the surface of the elastic metal pads is provided with dot-shaped anti-slip protrusions.

[0010] Preferably, the jaw device is a three-jaw chuck or a four-jaw chuck.

[0011] Preferably, the nut of the screw member is a hexagonal nut or an octagonal nut, and the surrounding surfaces of the nut are vertically provided with striped anti-slip protrusions; and the inner side of the claw is provided with a rubber cushion layer.

[0012] Beneficial effects of the embodiments of the utility model: the five-axis CNC turntable processing device with adjustment function is provided with the hub clamping device, which is only clamped and fixed with the sleeve part of the intermediate hub of the high-end spoke wheel, so that the clamping and fixing operation of the high-end spoke wheel will not damage the structure and appearance of the spoke wheel, and is also convenient for processing. In addition, the five-axis CNC turntable processing device has multiple degrees of freedom of movement in multiple directions, making the processing process of the intermediate hub of the high-end spoke wheel more flexible and efficient. Brief Description of the Drawings

[0013] Figure 1 is a top - view structural schematic diagram of the high - end spoke wheel hub described in the present utility model;

[0014] Figure 2 is a side - view structural schematic diagram of the middle hub of the high - end spoke wheel described in the present utility model;

[0015] Figure 3 is a three - dimensional structural schematic diagram of the five - axis CNC turntable machining device described in an embodiment of the present utility model;

[0016] Figure 4 is a three - dimensional structural schematic diagram of the hub clamping device described in an embodiment of the present utility model;

[0017] Figure 5 is Figure 4 a side - view structural schematic diagram when the hub clamping device shown clamps the middle hub of the high - end spoke;

[0018] Wherein: hub clamping device 10, bottom plate 11, jaw device 12, bracket 13, turntable 14, jaw 15, screw member 16, nut 17, elastic metal pad 18, flipping drive device 19, gear reduction box 20, base 101, rotating seat 102, gantry 110, moving crossbeam 120, machining spindle 130, Y - direction slide rail 103, Z - direction slide rail 104. Detailed Embodiment

[0019] The technical solution of the present utility model will be further described below in conjunction with the drawings and through specific embodiments.

[0020] An embodiment of the present application, as Figures 3 to 5As shown in the figure, a five-axis CNC rotary table machining device with an adjustment function includes: a base 101, a moving seat 102, a hub clamping device 10, a gantry 110, a moving crossbeam 120, a machining spindle 130, and a moving drive device; a Y-direction slide rail 103 is provided on the upper surface of the base 101, and the moving seat 102 is slidably arranged on the surface of the Y-direction slide rail 103; the hub clamping device 10 is fixedly installed on the moving seat 102; the gantry 110 is erected on the base 101, the gantry 110 is provided with a Z-direction slide rail 104, and both ends of the moving crossbeam 120 are slidably arranged on the Z-direction slide rail 104; the moving crossbeam 120 is provided with an X-direction slide rail, and the machining spindle 130 is slidably arranged on the X-direction slide rail; the moving drive device is used to drive the machining spindle 130, the moving crossbeam 120, and the moving seat 102 to move; the hub clamping device 10 includes: a bottom plate 11, a clamping assembly, and a bracket 13; the clamping assembly is used to clamp and fix the bushing part of the middle hub of the high-end spoke wheel; the clamping assembly is installed on the bottom plate 11 and can rotate parallel to the bottom plate 11 around a rotating shaft arranged in the normal direction of the bottom plate 11; both ends of the bottom plate 11 are rotatably connected to the bracket 13, and the bottom plate 11 can flip in the Z-direction plane relative to the bracket 13 around a rotating shaft arranged in the X-direction.

[0021] Specifically, a turntable 14 and a self-rotation drive device are provided on the upper surface of the bottom plate 11; the rotating shaft of the turntable 14 is perpendicular to the bottom plate 11, the lower end of the rotating shaft of the turntable 14 is in transmission connection with the self-rotation drive device, and the clamping assembly is fixedly installed on the upper end of the rotating shaft of the turntable 14.

[0022] Preferably, the clamping assembly includes: a screw member 16, a nut 17, and a jaw device 12; the screw member 16 is used to pass through the bushing part of the middle hub of the high-end spoke wheel and, together with the nut 17, press both ends of the bushing part; when multiple jaws 15 of the jaw device 12 move towards the center, they can press the nut of the screw member 16 from all around. The clamping assembly cleverly utilizes the bushing part of the middle hub of the high-end spoke wheel, and with the help of the screw member 16 and the nut 17, the middle hub of the high-end spoke wheel can be clamped onto the five-axis CNC rotary table machining device more quickly and stably, and it is more convenient to realize the automated machining of the middle hub of the high-end spoke wheel.

[0023] Preferably, elastic metal pads 18 are provided at the positions where the screw member 16 and the nut 17 are in contact with the two end faces of the bushing part, and dot-shaped anti-slip protrusions are provided on the surface of the elastic metal pads 18. It is convenient to clamp and fix the screw member 16, the nut 17, and the bushing part of the middle hub of the high-end spoke wheel, and there will be no slipping phenomenon.

[0024] Preferably, the jaw device is a three-jaw chuck or a four-jaw chuck. It should be noted that both the three-jaw chuck and the four-jaw chuck are structural components widely used in the prior art. For example, they are both applied in numerical control machine tools such as lathes or milling machines, which belong to the prior art, and the internal structures will not be elaborated here.

[0025] Preferably, the nut of the screw member 16 is a hexagonal nut or an octagonal nut, and vertical stripe anti-slip protrusions are provided on the peripheral surface of the nut; a rubber cushion layer is provided on the inner side of the jaw 15; this can make the jaw 15 of the device 12 clamp and fix the screw member 16 more firmly.

[0026] Specifically, rotating shafts are provided at both the right end and the left end of the bottom plate 11, and the two rotating shafts of the bottom plate 11 are respectively rotatably installed with the bearing rotating seats 102 provided at the left end and the right end of the bracket 13; the bracket 13 is also provided with a gear reduction box 20 and a flipping drive device 19; the flipping drive device 19 is in transmission connection with any one of the rotating shafts of the bottom plate 11 through the gear reduction box 20.

[0027] Preferably, the length of the screw member 16 is one or two times greater than the maximum thickness of the middle hub of the high-end spoke wheel. Appropriately setting the length of the screw member 16 longer can, according to the processing technology situation, choose to clamp one middle hub of the high-end spoke wheel, or can also stack and clamp two middle hubs of the high-end spoke wheel at the same time, which helps to improve the processing efficiency.

[0028] It should be noted that the terms used here are only for describing specific embodiments and are not intended to limit the exemplary embodiments according to the present application. As used here, unless the context clearly indicates otherwise, the singular form is also intended to include the plural form. In addition, it should also be understood that when the terms "comprise" and / or "include" are used in this specification, they indicate the presence of features, steps, operations, devices, components and / or their combinations.

[0029] In the description of the present invention, it should be understood that the orientation or positional relationships indicated by orientation words such as "front, back, up, down, left, right", "horizontal, vertical, perpendicular, horizontal" and "top, bottom" are usually based on the orientation or positional relationships shown in the drawings. It is only for the convenience of describing the present invention and simplifying the description. Without contrary description, these orientation words do not indicate and imply that the devices or elements referred to must have a specific orientation or be constructed and operated in a specific orientation, so they cannot be understood as limiting the protection scope of the present invention; the orientation words "inside, outside" refer to the inside and outside relative to the contour of each component itself.

[0030] For ease of description, spatial relative terms such as "above", "over", "on the upper surface", "upper" etc. can be used here to describe the spatial positional relationship of a device or feature shown in the figure with other devices or features. It should be understood that the spatial relative terms are intended to encompass different orientations in use or operation in addition to the orientation depicted in the figure for the device. For example, if the device in the attached drawing is inverted, a device described as "above" or "over" other devices or structures will then be positioned "below" or "under" other devices or structures. Thus, the exemplary term "above" can include both the orientations of "above" and "below". The device can also be positioned in other different ways (rotated 90 degrees or in other orientations), and the corresponding explanations are made for the spatial relative descriptions used here.

[0031] In addition, it should be noted that the use of terms such as "first", "second" etc. to limit components is only for the convenience of differentiating the corresponding components. Without additional statements, the above terms have no special meanings, and thus should not be construed as limiting the protection scope of the present utility model.

[0032] It should be noted that the terms "first", "second" etc. in the specification, claims and the above-mentioned drawings of this application are used to distinguish similar objects, and do not necessarily describe a specific order or sequence. It should be understood that the data used in this way can be interchanged under appropriate circumstances so that the embodiments of the present application described here can be implemented in an order different from those illustrated or described here.

[0033] The technical principle of the present utility model has been described above in conjunction with specific embodiments. These descriptions are only for explaining the principle of the present utility model and should not be construed in any way as limiting the protection scope of the present utility model. Based on the explanations herein, those skilled in the art can readily conceive of other specific embodiments of the present utility model without creative efforts, and these embodiments will fall within the protection scope of the present utility model.

Claims

1. A five-axis CNC rotary table machining device with an adjustment function, characterized in that, Comprising: A base, a moving seat, a hub clamping device, a gantry, a moving crossbeam, a machining spindle and a moving driving device; The upper surface of the base is provided with a Y-direction sliding rail, and the moving seat is slidably arranged on the surface of the Y-direction sliding rail; the hub clamping device is fixedly installed on the moving seat; The gantry is erected on the base, the gantry is provided with a Z-direction sliding rail, and both ends of the moving crossbeam are slidably arranged on the Z-direction sliding rail; the moving crossbeam is provided with an X-direction sliding rail, and the machining spindle is slidably arranged on the X-direction sliding rail; the moving driving device is used to drive the machining spindle, the moving crossbeam and the moving seat to move; The hub clamping device includes: a bottom plate, a clamping assembly and a bracket; The clamping assembly is used to clamp and fix the bushing part of the middle hub of the high-end spoke wheel; the clamping assembly is installed on the bottom plate and can rotate parallel to the bottom plate around a rotating shaft arranged in the normal direction of the bottom plate; Both ends of the bottom plate are rotatably connected to the bracket, and the bottom plate can be turned in the Z-direction plane relative to the bracket around a rotating shaft arranged in the X-direction; 2. The five-axis CNC rotary table machining device with an adjustment function according to claim 1, characterized in that, The upper surface of the bottom plate is provided with a turntable and a self-rotation driving device; the rotating shaft of the turntable is arranged perpendicular to the bottom plate, the lower end of the rotating shaft of the turntable is in transmission connection with the self-rotation driving device, and the clamping assembly is fixedly installed at the upper end of the rotating shaft of the turntable; 3. The five-axis CNC rotary table machining device with an adjustment function according to claim 2, wherein, The clamping assembly includes: a screw member, a nut and a chuck device; The screw member is used to pass through the bushing part of the middle hub of the high-end spoke wheel and, together with the nut, press both ends of the bushing part; When the multiple chucks of the chuck device move towards the center, they can press the nut of the screw member from all around; 4. A five-axis CNC rotary table machining device with an adjustment function according to claim 3, characterized in that, Elastic metal pads are arranged at the positions where the screw member and the nut are in contact with the two end faces of the bushing part, and dot-shaped anti-slip protrusions are arranged on the surface of the elastic metal pads; 5. A five-axis CNC rotary table machining device with an adjustment function according to claim 3, characterized in that, The chuck device is a three-jaw chuck or a four-jaw chuck; 6. The machining device of a five-axis numerical control turntable with an adjustment function according to claim 3, characterized in that, The nut of the screw member is a hexagonal nut or an octagonal nut, and stripe-shaped anti-slip protrusions are vertically arranged on the peripheral surface of the nut; a rubber cushion layer is arranged on the inner side of the chuck; 7. A five-axis CNC rotary table machining device with an adjustment function according to claim 1, characterized in that, Rotating shafts are arranged at both the right end and the left end of the bottom plate, and the two rotating shafts of the bottom plate are respectively rotatably installed with bearing seats arranged at the left end and the right end of the bracket; the bracket is also provided with a gear reduction box and a turning driving device; the turning driving device is in transmission connection with any one of the rotating shafts of the bottom plate through the gear reduction box; 8. A five-axis CNC rotary table machining device with an adjustment function according to claim 6, characterized in that, The length of the screw member is more than one or two times the maximum thickness of the middle hub of the high-end spoke wheel.

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