Workpiece chuck for numerical control machining of aluminum alloy

Abstract

The utility model relates to the technical field of numerical control machinery, in particular to a workpiece chuck for numerical control machining of aluminum alloy. The device comprises a connecting column, a clamping platform is fixed to the top end of the connecting column, limiting blocks are evenly distributed and fixed to the top end of the clamping platform, sliding rods are slidably connected into the limiting blocks, connecting blocks are fixed to the ends, away from each other, of the top ends of the five sliding rods, and sliding columns are fixed to the ends, close to each other, of the top ends of the five sliding rods. Clamping jaws are fixed to the ends, close to each other, of the top ends of the five connecting blocks, and a clamping mechanism is arranged at the top end of the sliding rod. According to the workpiece chuck for numerical control machining of the aluminum alloy, the five clamping jaws are driven by the clamping mechanism to clamp a cylindrical workpiece in the direction away from or close to one another, so that the stability and practicability of the device in the workpiece machining process are improved, and the working efficiency of the device is greatly improved; the clamping range of the device is increased according to different sizes of cylindrical workpieces.

Description

Technical Field

[0001] The utility model relates to the technical field of numerical control machinery, in particular to a workpiece chuck for numerical control machining of aluminum alloys. Background Art

[0002] A three-jaw chuck is a machine tool accessory that uses the radial movement of three movable jaws evenly distributed on the chuck body to clamp and position the workpiece. A three-jaw chuck usually works with rotary machine tools such as lathes. The workpieces commonly clamped by a three-jaw chuck are cylindrical, and cylindrical workpieces are very suitable for clamping with a three-jaw chuck.

[0003] For example, the patent (CN206527351 U) discloses a three-jaw chuck for numerical control machinery, including a three-jaw chuck body, the three-jaw chuck body including a disc body, a first clamping jaw, a second clamping jaw and a third clamping jaw, an axial hole is provided in the middle position of the disc body, the first clamping jaw, the second clamping jaw and the third clamping jaw are located in the groove on the disc body, the first clamping jaw, the second clamping jaw and the third clamping jaw are provided with a first fixing bolt on the surface, the disc body is provided with a second fixing bolt, the first clamping jaw, the second clamping jaw and the third clamping jaw are provided with a conical block at the top of the axial hole, a screw is provided at the bottom of the conical block, and a threaded hole corresponding to the screw is provided on the first clamping jaw, the second clamping jaw and the third clamping jaw. The utility model has a novel structure and is easy to operate. By arranging three conical blocks on the three-jaw chuck, the three conical blocks form a conical truncated cone, so that the three-jaw chuck structure can clamp a conical workpiece, and the clamping method of the three-jaw chuck is increased, which has high practicality.

[0004] When using the above technology, it was found that the following technical problems exist in the prior art: the bolt fixing method adopted in the prior art is used for disassembly and adjustment, which greatly reduces work efficiency, increases the frequency of workers' bolt disassembly, and is not convenient for quickly clamping cylindrical workpieces of different sizes. For this reason, we designed a workpiece chuck for aluminum alloy CNC machining to provide another technical solution to the above technical problems. Utility Model Content

[0005] Based on this, it is necessary to provide a workpiece chuck for CNC machining of aluminum alloys to address the above-mentioned technical problems. The five jaws are driven by a clamping mechanism to clamp the cylindrical workpiece in a direction away from or close to each other, thereby improving the stability and practicality of the device when processing the workpiece, greatly speeding up the working efficiency of the device, and increasing the clamping range of the device according to cylindrical workpieces of different sizes.

[0006] In order to solve the above technical problems, the utility model adopts the following technical solutions:

[0007] A workpiece chuck for CNC machining of aluminum alloys comprises a connecting column, a clamping platform is fixed on the top of the connecting column, limiting blocks are evenly fixed on the top of the clamping platform, a sliding rod is slidably connected inside the limiting blocks, a connecting block is fixed to the ends of the five sliding rods that are away from each other, a sliding column is fixed to the ends of the five sliding rods that are close to each other, a clamping claw is fixed to the ends of the five connecting blocks that are close to each other, and a clamping mechanism is provided on the top of the sliding rod.

[0008] As a preferred embodiment of the workpiece chuck for CNC machining of aluminum alloy provided by the utility model, the clamping mechanism chuck, a chuck is fixed at one end of the top of the clamping platform, the top of the limit block is rotatably connected to the chuck, the inside of the chuck is evenly distributed with arc grooves, the outside of the chuck is fixed with meshing teeth, and the inner side of the arc groove is slidably connected to the sliding column.

[0009] As a preferred embodiment of the workpiece chuck for CNC machining of aluminum alloy provided by the utility model, a servo motor is fixed to one end of the top of the clamping platform, a worm is fixed to the output end of the servo motor, a turbine is meshedly connected to one side of the outer side of the worm, the bottom end of the turbine is rotatably connected to the clamping platform, a transmission rod is fixed to the top of the transmission rod, a gear is fixed to the top of the transmission rod, and the outer side of the gear is meshedly connected to the meshing teeth.

[0010] As a preferred embodiment of the workpiece chuck for CNC machining of aluminum alloy provided by the utility model, the top end of the chuck is rotatably connected to a support platform, a slide groove is provided inside the support platform, and the inner side of the slide groove is slidably connected to a connecting rod.

[0011] As a preferred implementation of the workpiece chuck for aluminum alloy CNC machining provided by the utility model, there are five of each of the clamping jaws, the sliding groove, the limiting block, the sliding rod, the arc groove and the sliding column.

[0012] As a preferred implementation of the workpiece chuck for aluminum alloy CNC machining provided by the utility model, protective pads are fixed to one end of the five clamping jaws that are close to each other.

[0013] It can be seen without a doubt that the above-mentioned technical solution of the present application can definitely solve the technical problem to be solved by the present application.

[0014] At the same time, through the above technical solutions, the utility model has at least the following beneficial effects:

[0015] The utility model provides a workpiece chuck for aluminum alloy CNC machining, which drives five clamping jaws to clamp or disengage a cylindrical workpiece in a direction away from or close to each other through a clamping mechanism, and then a lifting device can quickly clamp cylindrical workpieces of different sizes, thereby improving the practicability and convenience of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the technical solutions of the embodiments of the utility model, the drawings required for use in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0017] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0018] Figure 2 This is a schematic diagram of the connection structure between the limit block and the clamping claw of the utility model;

[0019] Figure 3 This is a schematic diagram of the sliding connection structure between the chuck and the sliding post of the utility model;

[0020] Figure 4 This is a schematic diagram of the structure of the clamping mechanism of the utility model.

[0021] In the figure: 1. connecting column; 2. clamping platform; 3. supporting platform; 4. sliding column; 5. worm; 6. clamping claw; 7. servo motor; 8. slide groove; 9. chuck; 10. limit block; 11. slide rod; 12. arc groove; 13. meshing teeth; 14. gear; 15. transmission rod; 16. turbine. DETAILED DESCRIPTION

[0022] In order to make the purpose, technical solution and advantages of the utility model more clear, the utility model is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the utility model and are not used to limit the utility model.

[0023] In order to enable those skilled in the art to better understand the solution of the utility model, the technical solution in the embodiments of the utility model will be clearly and completely described below in conjunction with the accompanying drawings.

[0024] It should be noted that, in the absence of conflict, the embodiments of the present invention and the features and technical solutions in the embodiments may be combined with each other.

[0025] It should be noted that similar reference numerals and letters denote similar items in the following drawings, and therefore, once an item is defined in one drawing, further definition and explanation thereof is not required in subsequent drawings.

[0026] Embodiment 1

[0027] Reference Figure 1-Figure 4 A workpiece chuck for aluminum alloy CNC machining, comprising a connecting column 1, a clamping platform 2 is fixed on the top of the connecting column 1, a limit block 10 is evenly fixed on the top of the clamping platform 2, a slide bar 11 is slidably connected inside the limit block 10, a connecting block is fixed at the ends of the tops of the five slide bars 11 that are far away from each other, a sliding column 4 is fixed at the ends of the tops of the five slide bars 11 that are close to each other, a clamping claw 6 is fixed at the ends of the tops of the five connecting blocks that are close to each other, and a clamping mechanism is provided at the top of the slide bar 11;

[0028] The clamping mechanism drives the five clamping jaws 6 to clamp the cylindrical workpiece in a direction away from or close to each other, thereby improving the stability and practicality of the device when processing the workpiece, greatly speeding up the working efficiency of the device, and increasing the clamping range of the device according to different sizes of cylindrical workpieces;

[0029] The clamping mechanism comprises a chuck 9, one end of the top of the clamping platform 2 is fixed with the chuck 9, the top of the limit block 10 is rotatably connected with the chuck 9, the inside of the chuck 9 is evenly provided with arc grooves 12, the outside of the chuck 9 is fixed with meshing teeth 13, and the inside of the arc groove 12 is slidably connected with the slide column 4;

[0030] A servo motor 7 is fixed to one end of the top of the clamping platform 2, a worm 5 is fixed to the output end of the servo motor 7, a turbine 16 is meshedly connected to one side of the outer side of the worm 5, the bottom end of the turbine 16 is rotatably connected to the clamping platform 2, a transmission rod 15 is fixed to the top of the transmission rod 15, a gear 14 is fixed to the top of the transmission rod 15, and the outer side of the gear 14 is meshedly connected to the meshing teeth 13;

[0031] The worm 5 is driven to rotate by the output end of the servo motor 7, and the worm 5 drives the turbine 16, the transmission rod 15 and the gear 14 to rotate synchronously, and the gear 14 drives the chuck 9 to rotate. At this time, the rotation of the chuck 9 drives the arc groove 12 and the slide column 4 to slide, so that the arc groove 12 drives the five slide columns 4, the slide rod 11 and the clamping claw 6 to move away from or approach each other to quickly clamp cylindrical workpieces of different sizes;

[0032] The top of the chuck 9 is rotatably connected to the support platform 3, and the interior of the support platform 3 is provided with a slide groove 8, and the inner side of the slide groove 8 is slidably connected to the connecting rod;

[0033] There are five clamping jaws 6, sliding grooves 8, limit blocks 10, sliding rods 11, arc grooves 12 and sliding columns 4. Protective pads are fixed to the ends of the five clamping jaws 6 that are close to each other to protect the workpiece and avoid deformation caused by the pressure of the clamping jaws 6.

[0034] The use process of a workpiece chuck for aluminum alloy CNC machining provided by the utility model is as follows: when in use, the output end of the servo motor 7 drives the worm 5 to rotate, the worm 5 drives the turbine 16, the transmission rod 15 and the gear 14 to rotate synchronously, and the gear 14 drives the chuck 9 to rotate. At this time, the rotation of the chuck 9 drives the arc groove 12 and the slide column 4 to slide, so that the arc groove 12 drives the five slide columns 4, the slide rod 11 and the clamping jaws 6 to move in a direction away from or close to each other, so that the clamping jaws 6 are convenient for clamping or disengaging the cylindrical workpiece, which greatly improves the device to quickly clamp cylindrical workpieces of different sizes.

[0035] The preferred embodiments of the utility model disclosed above are only used to help explain the utility model. The preferred embodiments do not describe all the details in detail, nor do they limit the utility model to only specific implementation methods. Obviously, many modifications and changes can be made according to the content of this specification. This specification selects and specifically describes these embodiments in order to better explain the principles and practical applications of the utility model, so that technicians in the relevant technical field can well understand and use the utility model. The utility model is limited only by the claims and their full scope and equivalents.

Claims

1. A workpiece chuck for aluminum alloy CNC machining, characterized in that: The invention comprises a connecting column (1), a clamping platform (2) being fixed at the top of the connecting column (1), a limiting block (10) being evenly fixed at the top of the clamping platform (2), a sliding rod (11) being slidably connected inside the limiting block (10), a connecting block being fixed at the ends of the tops of five sliding rods (11) that are away from each other, a sliding column (4) being fixed at the ends of the tops of five sliding rods (11) that are close to each other, a clamping claw (6) being fixed at the ends of the tops of five connecting blocks that are close to each other, and a clamping mechanism being arranged at the top of the sliding rod (11).

2. A workpiece chuck for aluminum alloy CNC machining according to claim 1, characterized in that: The clamping mechanism comprises a chuck (9), one end of the top of the clamping platform (2) is fixed with the chuck (9), the top of the limit block (10) is rotatably connected with the chuck (9), the inside of the chuck (9) is evenly distributed with arc grooves (12), the outside of the chuck (9) is fixed with meshing teeth (13), and the inside of the arc groove (12) is slidably connected with the sliding column (4).

3. A workpiece chuck for aluminum alloy CNC machining according to claim 2, characterized in that: A servo motor (7) is fixed to one end of the top of the clamping platform (2), a worm (5) is fixed to the output end of the servo motor (7), a turbine (16) is meshedly connected to one side of the outer side of the worm (5), the bottom end of the turbine (16) is rotatably connected to the clamping platform (2), a transmission rod (15) is fixed to the top of the transmission rod (15), a gear (14) is fixed to the top of the gear (14), and the outer side of the gear (14) is meshedly connected to the meshing teeth (13).

4. A workpiece chuck for aluminum alloy CNC machining according to claim 3, characterized in that: The top end of the chuck (9) is rotatably connected to a support platform (3), and a slide groove (8) is provided inside the support platform (3). The inner side of the slide groove (8) is slidably connected to a connecting rod.

5. A workpiece chuck for CNC machining of aluminum alloy according to claim 4, characterized in that: The number of the clamping claw (6), the sliding groove (8), the limiting block (10), the sliding rod (11), the arc groove (12) and the sliding column (4) are five.

6. The workpiece chuck for aluminum alloy CNC machining according to claim 1, characterized in that: A protective pad is fixed to each of the ends of the five clamping jaws (6) that are close to each other.

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