A swing arm control system for a cradle turret

By utilizing the swing arm control system of the cradle turntable, and employing a motor-driven transmission assembly and a multi-jaw chuck ball clamping mechanism, the problem of unstable clamping of smooth workpieces during cradle turntable rotation is solved, thereby improving processing accuracy and cleaning efficiency.

CN119388167BActive Publication Date: 2025-11-04PUHLER (GUANGDONG) SMART NANO TECHNOLOGY CO LTD +2
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Patent Information

Application Number
CN202411656701.0
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2024-11-19
Publication Date
2025-11-04
Estimated Expiration
2044-11-19

AI Technical Summary

Technical Problem

The cradle turntable cannot stably clamp smooth workpieces when rotating, which affects the machining accuracy.

Method used

The swing arm control system using a cradle turntable includes a support base, a cradle swing arm, a rotating base, a clamping assembly, and a brush. The system achieves adaptive clamping and cleaning of the workpiece through a motor-driven transmission assembly, reduces friction using a multi-jaw chuck and ball bearings, and adjusts the workpiece fixation using an elastic plate and a top plate.

Benefits of technology

It achieves stable clamping of smooth workpieces, reduces workpiece slippage and detachment, improves machining accuracy, and reduces the impact of waste chips through brush cleaning.

✦ Generated by Eureka AI based on patent content.

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    Figure CN119388167B_ABST
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Abstract

The application discloses a swing arm control system of a cradle rotary table, which comprises a supporting seat, a cradle swing arm arranged on the supporting seat, a rotating base arranged on the cradle swing arm, a clamping assembly arranged on the rotating base and used for clamping and fixing a workpiece, wherein the clamping assembly can adaptively press down and fix the top of the workpiece, a brush arranged on the supporting seat and used for cleaning the top of the rotating base, a first motor arranged on one side of the supporting seat, and a transmission assembly arranged between the first motor and the cradle swing arm and the brush. In the application, there is only an extension block above the clamping block. When the upper surface of the workpiece is machined, the cradle swing arm does not need to be rotated, so that the workpiece can be clamped and fixed by only pressing the side surface of the workpiece through the clamping block. When the side surface of the workpiece needs to be machined, the extension block is lowered, the elastic sheet on the inner side of the extension block is retracted when the elastic sheet is abutted against the workpiece, the top plate is driven to be lowered through the connecting rod, and the top plate is abutted against the upper surface of the workpiece.
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Description

TECHNICAL FIELD

[0001] The present application mainly relates to the technical field of cradle rotary table, in particular to a swing arm control system of cradle rotary table. BACKGROUND

[0002] The cradle rotary table refers to a multi-axis rotary platform device used in industrial production, commonly used for machining and assembling complex parts or products. The cradle five-axis rotary table can rotate, tilt and rotate in multiple directions, thus realizing more flexible machining and assembly operations. It is widely used in the fields of aerospace, automobile manufacturing, machining, etc., and can improve production efficiency and product quality.

[0003] The cradle rotary table usually clamps and fixes the side surface of the workpiece through multiple clamping jaws. However, during the machining process of the cradle rotary table, the angle needs to be adjusted by rotating the cradle rotary table. When the rotating angle of the cradle rotary table is too large, the workpiece with a smooth clamping surface may slide or even fall off the cradle rotary table, which affects the machining precision of the workpiece. SUMMARY

[0004] The technical solution of the present application provides a significantly different solution from the prior art to solve the technical problem that the prior art solution is too single. The present application mainly provides a swing arm control system of cradle rotary table to solve the technical problem that the cradle rotary table cannot stably clamp the workpiece with a smooth clamping surface when rotating, thus affecting the machining precision of the workpiece.

[0005] The technical solution adopted by the present application to solve the above technical problem is as follows:

[0006] A swing arm control system of cradle rotary table, comprising a support seat, a cradle swing arm is arranged on the support seat, a rotating base is arranged on the cradle swing arm, a clamping assembly for clamping and fixing the workpiece is arranged on the rotating base, and the clamping assembly can adaptively press down and fix the top of the workpiece, a brush for cleaning the top of the rotating base is arranged on the support seat, a first motor is arranged on one side of the support seat, and a transmission assembly is arranged between the first motor and the cradle swing arm and the brush.

[0007] Preferably, the transmission assembly comprises a rotating shaft, the rotating shaft is fixedly installed at the output end of the first motor, and the rotating shaft is rotatably connected inside the support seat.

[0008] Preferably, the end of the rotating shaft away from the first motor is provided with the cradle swing arm, and the cradle swing arm is rotatably connected to the support seat.

[0009] Preferably, a waste recycling groove is arranged on the support seat, a rotating rod is rotatably connected above the waste recycling groove, and a belt pulley set is arranged between the rotating rod and the rotating shaft.

[0010] Preferably, one end of the rotating rod is fixedly provided with a rotating plate, and a second motor is arranged on the rotating plate.

[0011] Preferably, the clamping assembly comprises a multi-jaw chuck, the multi-jaw chuck is arranged above the rotating base, and a plurality of balls are arranged on the multi-jaw chuck.

[0012] Preferably, a clamping block is arranged on the multi-jaw chuck, a sliding block is arranged on the clamping block, and the sliding block is in sliding connection with the multi-jaw chuck.

[0013] Preferably, a telescopic block is arranged on the clamping block, a top plate is arranged on the telescopic block, and a limiting block is arranged on the top plate.

[0014] Preferably, an elastic sheet is arranged on the telescopic block, and a connecting rod is arranged between the elastic sheet and the limiting block.

[0015] Compared with the prior art, the beneficial effects of the present application are that the multi-jaw chuck is provided with balls, when the workpiece is above the multi-jaw chuck, the workpiece is above the balls, when the plurality of clamping blocks on the multi-jaw chuck move inward synchronously, the clamping blocks push the workpiece, and the balls can easily push the workpiece to move, so that the workpiece can be prevented from being too heavy to be pushed by the clamping blocks, and the friction between the workpiece and the surface of the multi-jaw chuck can be reduced to prevent the bottom of the workpiece from being rough.

[0016] When the upper surface of the workpiece is machined, the cradle swing arm does not need to be rotated at this time, so that the workpiece can be clamped and fixed only by the clamping block pushing against the side surface of the workpiece, when the side surface of the workpiece needs to be machined, the telescopic block is lowered, the elastic sheet inside the telescopic block is retracted when the elastic sheet is pushed against the workpiece, the top plate is lowered through the transmission of the connecting rod, at this time, the top plate is attached to the upper surface of the workpiece, so that the workpiece is pushed by the top plate, and the top plate is adapted to the thickness of the workpiece to adjust the attachment to the upper surface of the workpiece, so that the side surface of the workpiece is machined, when the cradle swing arm is adjusted, the workpiece can be kept fixed, and manual adjustment of the top plate according to the thickness of the workpiece is not needed, which is convenient to use.

[0017] When the upper surface of the workpiece is machined, the cradle swing arm does not need to be rotated at this time, so that the workpiece can be clamped and fixed only by the clamping block pushing against the side surface of the workpiece, when the side surface of the workpiece needs to be machined, the telescopic block is lowered, the elastic sheet inside the telescopic block is retracted when the elastic sheet is pushed against the workpiece, the top plate is lowered through the transmission of the connecting rod, at this time, the top plate is attached to the upper surface of the workpiece, so that the workpiece is pushed by the top plate, and the top plate is adapted to the thickness of the workpiece to adjust the attachment to the upper surface of the workpiece, so that the side surface of the workpiece is machined, when the cradle swing arm is adjusted, the workpiece can be kept fixed, and manual adjustment of the top plate according to the thickness of the workpiece is not needed, which is convenient to use.

[0018] The present application will be explained in detail below in combination with the drawings and specific embodiments. Attached Figure Description

[0019] Figure 1 This is a frontal perspective view of the present invention;

[0020] Figure 2 This is a side perspective view of the present invention;

[0021] Figure 3 This is a top-view three-dimensional structural diagram of the present invention;

[0022] Figure 4 This is a schematic diagram of the internal structure of the support base of the present invention;

[0023] Figure 5 This is a top-view three-dimensional structural diagram of the rotating base of the present invention;

[0024] Figure 6 This is a schematic diagram of the three-dimensional structure of the clamping block of the present invention;

[0025] The diagram is marked as follows:

[0026] 1. Support base; 2. Cradle swing arm; 3. Rotating base; 4. Waste recycling trough; 5. Multi-jaw chuck; 6. First motor; 7. Rotating shaft; 8. Rotating rod; 9. Pulley assembly; 10. Rotating plate; 11. Second motor; 12. Brush; 13. Ball bearing; 14. Clamping block; 15. Sliding block; 16. Telescopic block; 17. Top plate; 18. Elastic sheet; 19. Connecting rod; 20. Limiting block. Detailed Implementation

[0027] To facilitate understanding of the present invention, a more comprehensive description of the present invention will be given below with reference to the accompanying drawings, which illustrate several embodiments of the present invention. However, the present invention can be implemented in different forms and is not limited to the embodiments described in the text. Rather, these embodiments are provided to make the disclosure of the present invention more thorough and complete.

[0028] It should be noted that when an element is referred to as being "fixed to" another element, it can be directly on the other element or there may be an intervening element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or there may be an intervening element. The terms "vertical," "horizontal," "left," "right," and similar expressions used in this document are for illustrative purposes only.

[0029] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. The terminology used in the description herein is for describing particular embodiments only and is not intended to be limiting of the application. The use herein of the terms "including", "comprising", "having" and the like are meant to encompass the items listed thereafter as well as other items.

[0030] Please refer to the accompanying drawings Figures 1-6 The cradle swing arm control system of a cradle rotary table comprises a support base 1, a cradle swing arm 2 arranged on the support base 1, a rotating base 3 arranged on the cradle swing arm 2, a clamping assembly arranged on the rotating base 3 for clamping and fixing a workpiece, the clamping assembly can adaptively press down and fix the top of the workpiece, a brush 12 arranged on the support base 1 for cleaning the top of the rotating base 3, a first motor 6 arranged on one side of the support base 1, and a transmission assembly arranged between the first motor 6 and the cradle swing arm 2 and the brush 12.

[0031] The specific operation process of the application is as follows: the workpiece is placed above the clamping assembly, the workpiece is clamped and fixed by the clamping assembly, and then the upper surface of the workpiece is processed by the processing device; when the side of the workpiece needs to be processed, the first motor 6 is started, the first motor 6 drives the cradle swing arm 2 to rotate through the transmission assembly, and at the same time, the first motor 6 drives the brush 12 on one side of the rotating direction of the cradle swing arm 2 to rotate through the transmission assembly, the brush 12 rotates and is attached to the clamping assembly and the workpiece, the surface of the clamping assembly is cleaned by the rotation of the brush 12, and the rotating base 3 can rotate to drive the workpiece above to rotate and change the surface for processing.

[0032] Please refer to Figure 4 The transmission assembly comprises a rotating shaft 7, the rotating shaft 7 is fixedly installed at the output end of the first motor 6, and the rotating shaft 7 is rotatably connected in the support base 1, one end of the rotating shaft 7 away from the first motor 6 is provided with the cradle swing arm 2, and the cradle swing arm 2 is rotatably connected to the support base 1.

[0033] The first motor 6 is started, the first motor 6 drives the rotating shaft 7 to rotate, the rotating shaft 7 drives the cradle swing arm 2 to rotate, the angle of the fixed workpiece above is adjusted by the rotation of the cradle swing arm 2, and the side of the workpiece is processed.

[0034] Please refer to Figure 4 A waste recovery groove 4 is arranged on the support base 1, a rotating rod 8 is rotatably connected above the waste recovery groove 4, a belt pulley set 9 is sleeved between the rotating rod 8 and the rotating shaft 7, a rotating plate 10 is fixedly installed at one end of the rotating rod 8, a second motor 11 is arranged on the rotating plate 10, and the second motor 11 is provided with the brush 12 at the output end.

[0035] The rotating shaft 7 rotates through the belt pulley set 9 to drive the rotating rod 8 to rotate, the rotating rod 8 drives the rotating plate 10 to rotate, the rotating plate 10 drives the brush 12 to rotate and abut against the clamping assembly above the rotating base 3 and the workpiece, the second motor 11 is started, and the second motor 11 drives the brush 12 to rotate, and the brush 12 sweeps the waste generated by the workpiece processing into the lower waste recycling groove 4 for recycling.

[0036] Please refer to Figure 5 and Figure 6 The clamping assembly comprises a multiple-claw chuck 5 arranged above the rotating base 3, the multiple-claw chuck 5 is provided with a plurality of balls 13, the multiple-claw chuck 5 is provided with a clamping block 14, the clamping block 14 is provided with a sliding block 15, the sliding block 15 is in sliding connection with the multiple-claw chuck 5, the clamping block 14 is provided with an extension block 16, the extension block 16 is provided with a top plate 17, the top plate 17 is provided with a limiting block 20, the extension block 16 is provided with an elastic sheet 18, and the elastic sheet 18 and the limiting block 20 are provided with a connecting rod 19 therebetween.

[0037] The multiple-claw chuck 5 drives the multiple clamping blocks 14 to move synchronously inward, the clamping block 14 that first contacts the workpiece pushes the workpiece to move in the opposite direction, the balls 13 reduce the friction between the workpiece and the multiple-claw chuck 5, when the multiple clamping blocks 14 are in abutment with the workpiece, the workpiece is clamped and fixed, when the workpiece needs to rotate to process the opposite side, the clamping block 14 is powered, the extension block 16 starts to descend and shrink, the elastic sheet 18 on the extension block 16 starts to contact the workpiece, and the contact surface between the elastic sheet 18 and the workpiece is an inclined surface, as the extension block 16 continuously descends, the elastic sheet 18 is pressed and shrunk by the workpiece, when the uppermost part of the elastic sheet 18 is pressed and shrunk by the workpiece, the elastic sheet 18 drives the top plate 17 above to rotate 90° and abut against the workpiece above through the connecting rod 19 and the limiting block 20, and the top plate 17 realizes the downward fixing of the workpiece, the sliding block 15 is used to limit the linear forward and backward movement of the clamping block 14, the elastic sheet 18 is made of elastic metal and will rebound and stretch when not compressed, so that the top plate 17 and the extension block 16 are in a straight line when the elastic sheet 18 is not compressed, preventing the top plate 17 from being initially perpendicular to the extension block 16, which affects the processing of the workpiece.

[0038] The control system is controlled, the first motor 6 is powered, the first motor 6 works to drive the cradle swing arm 2 to rotate through the transmission assembly, the first motor 6 drives the rotating plates 10 on both sides of the cradle swing arm 2 to rotate through the transmission assembly, the built-in motor of the cradle swing arm 2 is powered, the built-in motor of the cradle swing arm 2 drives the rotating base 3 to rotate, the second motor 11 is powered to drive the second motor 11 to work, and the second motor 11 drives the brush 12 to rotate.

[0039] The application is described above by way of example with reference to the accompanying drawings, and it is obvious that the specific implementation of the application is not limited to the above-described manner, and as long as such non-essential improvements are made by adopting the method concept and technical solutions of the application, or the concept and technical solutions of the application are directly applied to other occasions without improvement, they are all within the protection scope of the application.

Claims

1. A swing arm control system of a cradle turntable comprising a support seat (1), characterized in that: The support seat (1) is provided with a cradle swing arm (2), the cradle swing arm (2) is provided with a rotating base (3), the rotating base (3) is provided with a clamping assembly for clamping and fixing the workpiece, and the clamping assembly is adapted to the top of the workpiece and is fixed by downward pressure, the support seat (1) is provided with a brush (12) for cleaning the top of the rotating base (3), and the support seat (1) is provided with a first motor (6) on one side, and the first motor (6) is provided with a transmission assembly between the cradle swing arm (2) and the brush (12). The clamping assembly comprises a multi-jaw chuck (5), the multi-jaw chuck (5) is arranged above the rotating base (3), and the multi-jaw chuck (5) is provided with a plurality of ball bearings (13). The multi-jaw chuck (5) is provided with a clamping block (14), the clamping block (14) is provided with a sliding block (15), and the sliding block (15) is slidably connected with the multi-jaw chuck (5). The clamping block (14) is provided with an extension block (16), the extension block (16) is provided with a top plate (17), and the top plate (17) is provided with a limiting block (20). The extension block (16) is provided with an elastic sheet (18), and the elastic sheet (18) is provided with a connecting rod (19) between the extension block (16) and the limiting block (20). The clamping block (14) is electrified, the extension block (16) starts to shrink, the elastic sheet (18) on the extension block (16) starts to contact the workpiece, and the contact surface between the elastic sheet (18) and the workpiece is inclined, with the continuous descent of the extension block (16), the elastic sheet (18) is pressed and shrunk by the workpiece, when the uppermost part of the elastic sheet (18) is pressed and shrunk by the workpiece, the elastic sheet (18) drives the top plate (17) above to rotate 90° and adhere to the workpiece above through the connecting rod (19) and the limiting block (20).

2. The swing arm control system of a cradle turntable according to claim 1, wherein: The transmission assembly comprises a rotating shaft (7), the rotating shaft (7) is fixedly installed at the output end of the first motor (6), and the rotating shaft (7) is rotatably connected in the support seat (1).

3. The swing arm control system of a cradle turntable according to claim 2, wherein: The end of the rotating shaft (7) away from the first motor (6) is provided with the cradle swing arm (2), and the cradle swing arm (2) is rotatably connected to the support seat (1).

4. The swing arm control system of a cradle turntable according to claim 2, wherein: The support seat (1) is provided with a waste recycling groove (4), the rotating rod (8) is rotatably connected above the waste recycling groove (4), and the belt pulley set (9) is arranged between the rotating rod (8) and the rotating shaft (7).

5. The swing arm control system of a cradle turntable according to claim 4, wherein: One end of the rotating rod (8) is fixedly installed with a rotating plate (10), the rotating plate (10) is provided with a second motor (11), and the second motor (11) is provided with a brush (12) at the output end.

Citation Information

Patent Citations

  • Clamping jaw device of vertical lathe

    CN117840471A

  • Cradle mounting type part clamping seat

    CN221065247U