Tapered six-claw flexible chuck structure capable of being replaced quickly

Abstract

The utility model belongs to the field of machining, and particularly relates to a conical six-claw flexible chuck structure capable of being replaced quickly, which comprises a supporting platform. A motor box is fixedly connected to the edge of the top of the supporting platform, a moving assembly is fixedly connected to the interior of the motor box, a moving plate is connected to the surface of the moving assembly in a meshed mode, a chuck body is fixedly connected to the bottom of the moving plate, and sliding clamping jaws are slidably connected to the surface of the chuck body. The bottom of the sliding clamping jaw is in threaded connection with a clamping assembly. Through the structural design of the clamping assembly, a machining worker connects an external driving structure with a bearing, sliding clamping jaws arranged in an annular array synchronously contract inwards through a driving structure in a chuck body to clamp a workpiece, when a soft chuck makes contact with the workpiece, one side of the soft chuck slides to change the angle of the chuck, and the workpiece is clamped through the clamping assembly. Along with further contraction of the sliding clamping jaw, the soft chuck deforms and is tightly attached to the surface of the workpiece to clamp the special-shaped workpiece, and the adaptability of the chuck structure is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of machining, concretely is a kind of quick changeable conical six-jaw flexible chuck structure. BACKGROUND

[0002] Mechanical processing refers to the process of changing the shape size or performance of workpiece by a kind of mechanical equipment, and the workpiece is usually fixed during processing, and the fixture is a device for fixing, positioning and clamping workpiece during machining process, to ensure that workpiece maintains correct position and posture during processing, assembly or detection, and the quick changeable conical six-jaw flexible chuck is a workpiece clamping device used in mechanical processing, with the characteristics of quick replacement and flexible clamping.

[0003] In the prior art, as disclosed in CN202344248U, a clamping jaw structure for lathe chuck is disclosed, which comprises: a chuck, the chuck is provided with two sliding grooves and sliding rails on one side; a chuck holder, the chuck holder is provided with a first through hole and a second through hole, and the chuck holder is provided with a third screw hole, the third screw hole is provided with a positioning bead, the chuck holder is provided with a clamping jaw, the clamping jaw is provided with an adjusting piece, the chuck holder is provided with a fixing piece, and the chuck holder is provided with a sliding part, the sliding part can slide and shift between the sliding grooves of the chuck; a draw pin, the draw pin is provided through the second through hole of the chuck holder; the chuck holder is provided with a draw pin, the draw pin is provided with a holding part, which can be pulled up, and the.

[0004] Although the above-mentioned patent sets up draw pin on chuck holder, when draw pin is pulled up, chuck holder can slide and shift between sliding grooves of chuck, and draw pin can be positioned in groove, so as to improve safety during assembly and achieve the purpose of rapid assembly, but due to different relative positions of workpiece and chuck, the lathe chuck is not convenient to adjust the position of chuck to clamp workpiece, and the clamping jaw structure of the lathe chuck is not convenient to center and clamp special-shaped clamping objects; therefore, a quick changeable conical six-jaw flexible chuck structure is proposed to solve the above-mentioned problems. UTILITY MODEL CONTENTS

[0005] In order to make up for the shortcomings of prior art, solve the problem that clamping jaw structure is not convenient to adjust the position of chuck to align workpiece, and chuck is not convenient to center and clamp special-shaped workpiece, the utility model provides a quick changeable conical six-jaw flexible chuck structure.

[0006] The utility model discloses a technical scheme that solves its technical problem is adopted: A kind of quick replacement's conical six-jaw flexible chuck structure of the utility model, including support platform;The edge of the top of support platform is fixedly connected with motor box, the inside fixedly connected with moving assembly of motor box, the surface of moving assembly is engagedly connected with moving plate, the bottom fixedly connected with chuck body of moving plate, the surface slidingly connected with sliding dog of chuck body, the bottom of sliding dog is threadedly connected with clamping assembly;

[0007] The moving assembly includes a servo motor fixedly connected to the inside of the motor box, a transmission rod spline-connected to the output end of the servo motor, an A gear shaft fixedly connected to one end of the transmission rod, a rack strip engagedly connected to the surface of the A gear shaft, and a moving plate engagedly connected to one side of the rack strip.

[0008] The clamping assembly includes a connecting plate fixedly connected to the bottom of the sliding dog, a limit block fixedly connected to the edge of the bottom of the connecting plate, and a soft chuck slidingly connected to one side of the limit block.

[0009] Preferably, the A gear shaft is fixedly connected with a baffle on both sides, the baffle is through-connected with a transmission rod on one side, and the baffle is overlapped with a rack strip on the surface.

[0010] Preferably, the B gear shaft is fixedly connected with a shaft on the inner surface, vertical plates are rotationally connected to both sides of the shaft, and the support platform is fixedly connected to the bottom of the vertical plates.

[0011] Preferably, a sliding groove is formed on the surface of the chuck body, a slide rail is slidingly connected to the surface of the sliding groove, and the support platform is fixedly connected to both ends of the slide rail.

[0012] Preferably, a circular hole is formed on the surface of the chuck body, a bearing is rotationally connected to the surface of the circular hole, and a square clamping groove is formed on one side of the bearing.

[0013] Preferably, the bottom of the sliding dog is threadedly connected with a connecting bolt, and the connecting bolt is threadedly connected with the connecting plate on the surface.

[0014] The utility model has the advantages that:

[0015] 1. According to the structural design of the moving assembly, the servo motor is connected to the power supply after being powered on, the transmission rod drives the A gear shaft to rotate, the rack strip drives the moving plate and the structure below to move horizontally, the position of the chuck is changed to above the workpiece, and the efficiency of clamping the workpiece by the chuck structure is improved.

[0016] 2.The utility model discloses a structure design through clamping subassembly, when the chuck structure is clamped to workpiece, the synchronous inward shrink of the slide dog of the annular array arrangement bottom of chuck is made through external drive structure, and the horizontal rotation and deformation of chuck are pasted on the special-shaped workpiece surface simultaneously, and the adaptability of the chuck structure is improved. BRIEF DESCRIPTION OF DRAWINGS

[0017] In order to more clearly illustrate the technical scheme in the embodiments of the utility model or prior art, below will be to the embodiment or prior art description needed to use the drawing briefly introduced, obviously, below description in the drawing of the utility model only some embodiments, for those of ordinary skill in the art come, under the premise of not paying creative labor, still can obtain other drawings according to these drawings.

[0018] Figure 1 It is the overall structure schematic diagram of the utility model;

[0019] Figure 2 It is the split structure schematic diagram of the utility model;

[0020] Figure 3 It is the mobile subassembly structure schematic diagram of the utility model;

[0021] Figure 4 It is the clamping subassembly structure schematic diagram of the utility model;

[0022] Figure 5 It is the chuck bottom surface structure schematic diagram of the utility model.

[0023] In the drawing: 1, support platform;2, motor box;3, mobile subassembly;301, servo motor;302, transmission rod;303, A gear shaft;304, rack strip;305, B gear shaft;4, moving plate;5, chuck body;6, slide dog;7, clamping subassembly;701, connecting plate;702, limit block;703, soft chuck;8, baffle;9, rotating shaft;10, vertical plate;11, connecting bolt;12, sliding slot;13, slide rail;14, bearing. DETAILED DESCRIPTION

[0024] Below will be to the technical scheme in the embodiment of the utility model in the embodiment of the utility model, clear, complete, it is obvious that the described embodiment only is a part of the embodiment of the utility model, instead of all the embodiments. Based on the embodiment in the utility model, all other embodiments obtained by those of ordinary skill in the art without making creative labor belong to the scope of the utility model protection.

[0025] Please refer to Figures 1-5As shown, a quick-changeable conical six-jaw flexible chuck structure, including a support platform 1; The edge of the top of the support platform 1 is fixedly connected with a motor box 2, a moving assembly 3 is fixedly connected inside the motor box 2, a moving plate 4 is engagedly connected to the surface of the moving assembly 3, a chuck body 5 is fixedly connected to the bottom of the moving plate 4, a sliding jaw 6 is slidably connected to the surface of the chuck body 5, and a clamping assembly 7 is threadedly connected to the bottom of the sliding jaw 6;

[0026] The moving assembly 3 comprises a servo motor 301 fixedly connected inside the motor box 2, a transmission rod 302 spline-connected to the output end of the servo motor 301, an A gear shaft 303 fixedly connected to one end of the transmission rod 302, a rack belt 304 engagedly connected to the surface of the A gear shaft 303, a B gear shaft 305 engagedly connected to the surface of the rack belt 304, and the moving plate 4 engagedly connected to one side of the rack belt 304;

[0027] The clamping assembly 7 comprises a connecting plate 701 fixedly connected to the bottom of the sliding jaw 6, a limiting block 702 fixedly connected to the edge of the bottom of the connecting plate 701, and a soft chuck 703 slidably connected to one side of the limiting block 702.

[0028] When working, the processing personnel connect the servo motor 301 to the external power supply and energize, so that the transmission rod 302 drives the A gear shaft 303 to rotate, the rack belt 304 drives the moving plate 4 to move horizontally between the A gear shaft 303 and the B gear shaft 305, and then the soft chuck 703 is adjusted above the workpiece for convenient clamping. Subsequently, the processing personnel connect the external driving structure with the bearing 14, and drive the driving structure inside the chuck body 5 to make the sliding jaws 6 arranged in an annular array shrink synchronously inward. When the soft chuck 703 contacts the workpiece, one side of the soft chuck 703 slides to change the angle of the chuck. With the further shrinkage of the sliding jaw 6, the soft chuck 703 deforms and tightly adheres to the surface of the workpiece, so that the special-shaped workpiece is clamped.

[0029] Further, the A gear shaft 303 is fixedly connected with a baffle 8 on both sides, the baffle 8 is through-connected with the transmission rod 302 on one side, and the baffle 8 is overlapped with the rack belt 304 on the surface;

[0030] When working, the setting of the baffle 8 prevents the rack belt 304 from falling off during operation.

[0031] Further, the inner surface of the B gear shaft 305 is fixedly connected with a rotating shaft 9, the rotating shaft 9 is rotatably connected with a vertical plate 10 on both sides, and the vertical plate 10 is fixedly connected with the support platform 1 at the bottom;

[0032] When working, the rotating shaft 9 and the vertical plate 10 are arranged to lift the B gear shaft 305 to the same height as the A gear shaft 303, so that the moving plate 4 can move horizontally.

[0033] Further, the surface of the chuck body 5 is provided with a sliding groove 12, the surface of the sliding groove 12 is slidably connected with a sliding rail 13, and the two ends of the sliding rail 13 are fixedly connected with a supporting platform 1.

[0034] When working, the stability of the chuck body 5 during movement is improved through the arrangement of the sliding groove 12 and the sliding rail 13.

[0035] Further, the surface of the chuck body 5 is provided with a circular hole, the surface of the circular hole is rotatably connected with a bearing 14, and one side of the bearing 14 is provided with a square clamping groove.

[0036] When working, the chuck body 5 can be rotated through the square clamping groove and the bearing 14 after the external driving structure is connected with the bearing 14, so that the bevel gear connected with the bearing 14 in the chuck body 5 is rotated, and then the sliding clamping jaw 6 is synchronously slid outward or inward through the driving structure in the chuck body 5.

[0037] Further, the bottom of the sliding clamping jaw 6 is threadedly connected with a connecting bolt 11, and the surface of the connecting bolt 11 is threadedly connected with a connecting plate 701.

[0038] When working, the connecting bolt 11 is arranged to facilitate the replacement of the chuck type, so as to adapt to different types of workpieces.

[0039] Working principle: through the arrangement of the moving assembly 3, the machining personnel connects the servo motor 301 to the external power supply and energizes, so that the transmission rod 302 drives the A gear shaft 303 to rotate, the rack 304 drives the moving plate 4 to move horizontally between the A gear shaft 303 and the B gear shaft 305, when the workpiece is located directly below the chuck body 5, the machining personnel connects the external driving structure with the bearing 14, and the driving structure in the chuck body 5 is arranged to make the sliding clamping jaw 6 arranged in an annular array synchronously contract inward to clamp the workpiece, when the soft chuck 703 contacts the workpiece, the side of the soft chuck 703 slides to change the angle of the chuck, and as the sliding clamping jaw 6 further contracts, the soft chuck 703 deforms and tightly clamps the workpiece.

[0040] The above only describes preferred embodiments of the utility model, and is not used to limit the utility model, although the utility model is described in detail with reference to the foregoing embodiments, for those skilled in the art, the technical scheme recorded in the foregoing embodiments can be modified, or some technical features can be replaced equivalently. Any modification, equivalent replacement, similar improvement, etc. within the theory and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. A quick-change conical six-jaw flexible chuck structure, comprising a support platform (1); characterized in that: A motor box (2) is fixedly connected to the top edge of the support platform (1). A moving component (3) is fixedly connected inside the motor box (2). A moving plate (4) is meshed with the surface of the moving component (3). A chuck body (5) is fixedly connected to the bottom of the moving plate (4). A sliding claw (6) is slidably connected to the surface of the chuck body (5). A clamping component (7) is threadedly connected to the bottom of the sliding claw (6). The moving component (3) includes a servo motor (301) fixedly connected inside the motor box (2). The output end of the servo motor (301) is splinedly connected to a transmission rod (302). One end of the transmission rod (302) is fixedly connected to an A gear shaft (303). A rack belt (304) is meshed with the surface of the A gear shaft (303). A B gear shaft (305) is meshed with the surface of the rack belt (304). A moving plate (4) is meshed with one side of the rack belt (304). The clamping assembly (7) includes a connecting plate (701) fixedly connected to the bottom of the sliding jaw (6), a limiting block (702) fixedly connected to the edge of the bottom of the connecting plate (701), and a soft chuck (703) slidably connected to one side of the limiting block (702).

2. The quick-change conical six-jaw flexible chuck structure according to claim 1, characterized in that: The A gear shaft (303) is fixedly connected to both sides of a baffle (8), a transmission rod (302) is connected through one side of the baffle (8), and a rack belt (304) overlaps the surface of the baffle (8).

3. The quick-change conical six-jaw flexible chuck structure according to claim 1, characterized in that: A rotating shaft (9) is fixedly connected to the inner surface of the B gear shaft (305), and vertical plates (10) are rotatably connected to both sides of the rotating shaft (9). A support platform (1) is fixedly connected to the bottom of the vertical plate (10).

4. The quick-change conical six-jaw flexible chuck structure according to claim 1, characterized in that: The surface of the chuck body (5) is provided with a groove (12), and a slide rail (13) is slidably connected to the surface of the groove (12). Support platforms (1) are fixedly connected to both ends of the slide rail (13).

5. The quick-change conical six-jaw flexible chuck structure according to claim 4, characterized in that: The surface of the chuck body (5) is provided with a circular hole, and a bearing (14) is rotatably connected to the surface of the circular hole. A square slot is provided on one side of the bearing (14).

6. The quick-change conical six-jaw flexible chuck structure according to claim 1, characterized in that: The bottom of the sliding claw (6) is threaded with a connecting bolt (11), and the surface of the connecting bolt (11) is threaded with a connecting plate (701).

Images