Four-axis rotating table

Abstract

The four-axis rotating table is provided with a disc tailstock and a four-axis rotating table body, the disc tailstock and the four-axis rotating table body are fixedly connected with fixing plates, the side surface of each fixing plate is provided with a plurality of first clamping grooves, the surface of each fixing plate is fixedly connected with two positioning pins, the four-axis rotating table further comprises a supporting plate and a connecting plate, and the surface of each supporting plate is provided with a pin hole. A plurality of second clamping grooves are formed in the surface of the supporting plate, inclined kidney-shaped grooves are formed in the two side walls of the second clamping grooves correspondingly, a plurality of clamping blocks are slidably connected to the surface of the connecting plate, the clamping blocks penetrate through the second clamping grooves correspondingly, protrusions are rotationally connected to the two sides of each clamping block correspondingly, the protrusions are embedded in the kidney-shaped grooves in the side walls of the second clamping grooves, and a threaded rod is rotationally connected to the surface of the connecting plate. And the screw rod is in threaded connection with the supporting plate. The positioning pin of the fixing plate penetrates into the pin hole of the connecting plate, the screw rod is screwed, the connecting plate drives the clamping blocks to move, the kidney-shaped grooves generate acting force on the protrusions of the moving clamping blocks, the clamping blocks draw close to each other to clamp the fixing plate, and installation convenience is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to workpiece turning and milling processing technical field especially, relates to a four -axis rotating platform. BACKGROUND

[0002] When turning and milling workpiece, need to use numerical control four -axis rotating platform for clamping workpiece and driving it to rotate, the four -axis rotating platform includes four -axis rotating platform, disc tailstock, bridge plate and clamp on bridge plate, bridge plate both ends are fixedly connected with four -axis rotating platform and disc tailstock, workpiece is fixed on bridge plate through clamp, four -axis rotating platform drives bridge plate to rotate, bridge plate drives workpiece to rotate, so that processing equipment processes different parts of workpiece.

[0003] When fixing workpiece, first, support plate is fixed on the circular fixed plate of four -axis rotating platform and disc tailstock, then both ends of bridge plate are fixed with two support plates, finally workpiece is fixed on bridge plate with clamp, the surface of fixed plate starts to have a plurality of T -type grooves along its radial direction, and the surface of support plate is provided with a through hole corresponding to the T -type groove.

[0004] When fixing support plate, first, the pressing block provided with threaded hole is inserted in each T -type groove of fixed plate, then the bolt is inserted into each through hole of support plate, the bolt is inserted into the corresponding T -type groove, the pressing block in T -type groove is moved to align the threaded hole with the end of bolt, and the bolt is inserted into the threaded hole, then the bolt is screwed, the pressing block and support plate are driven to press the fixed plate, so that the support plate is fixed, and the threaded hole of pressing block is aligned with the end of bolt, which needs to move the pressing block several times, which is troublesome. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a four -axis rotating platform, which has the advantages of connecting the bridge plate with the four -axis rotating platform and the disc tailstock more conveniently.

[0006] The above technical purpose of the utility model is realized by the following technical scheme.

[0007] The utility model provides a four -axis rotary table sets up the workbench, the upper part fixedly connected with disc tailstock and four -axis rotary table of workbench, disc tailstock and four -axis rotary table are fixedly connected with fixed plate respectively, the lateral surface of fixed plate is equipped with a plurality of clamping grooves no.

[0008] Adopt above technical scheme, when installing support plate on four -axis rotary table and disc tailstock, make two pin holes of support plate encircle two positioning pins of fixed plate first, and then the clamping block in the clamping groove no.

[0009] As preferred, the two support plates are fixedly connected with a bridge plate, the two sides of the bridge plate are respectively provided with a fixing mechanism, the fixing mechanism comprises a rotating rod, a pressing block and an air cylinder, the rotating rod is hinged to the surface of a mounting plate, the air cylinder is vertically fixedly connected to the other side surface of the bridge plate opposite to the rotating rod, the output shaft of the air cylinder passes through the mounting plate and is slidingly connected to the bridge plate, one end of the pressing block is hinged to the output shaft of the air cylinder, and the end of the rotating rod is hinged to the part between the two ends of the pressing block.

[0010] The workpiece is placed between the fixing mechanisms on both sides of the bridge plate, the cylinder output shaft is elongated to push the pressing block to press the workpiece, and the workpiece is fixed, and the machining equipment processes the workpiece.

[0011] Preferably, a plurality of limiting columns are fixedly connected to the surface of the bridge plate where the rotating rod is located, and the limiting columns are located around the surface of the bridge plate.

[0012] According to the above technical scheme, the workpiece is located between the limiting columns around the surface of the bridge plate, the edge of the workpiece is in contact with the limiting column, and then the workpiece is fixed by the fixing mechanism. When the workpiece is processed, the workpiece is blocked by the limiting column and cannot be deviated, so that the workpiece is more stable.

[0013] Preferably, the surface of the clamping block is fixedly connected with a rubber pad.

[0014] According to the above technical scheme, the friction between the clamping block and the fixing plate is increased, so that the supporting plate is more firmly installed on the fixing plate.

[0015] Preferably, the pressing block is a nylon pressing block.

[0016] According to the above technical scheme, damage to the surface of the workpiece when the pressing block presses the workpiece is avoided. BRIEF DESCRIPTION OF DRAWINGS

[0017] Fig. 1 It is a schematic view of the whole embodiment;

[0018] Fig. 2 It is a top view of the embodiment;

[0019] Fig. 3 It is a schematic view of the section along A-A direction;

[0020] Fig. 4 It is an exploded schematic view of the four-axis rotary table;

[0021] Fig. 5 It is a schematic view of the connection between the connecting plate and the supporting plate;

[0022] Fig. 6 It is a schematic view of the connection between the protrusion and the supporting plate;

[0023] Fig. 7 It is a schematic view of the structure of the fixing mechanism.

[0024] Fig. 1 is a workbench; Fig. 2 is a disc tailstock; Fig. 3 is a four-axis rotary table; Fig. 4 is a fixing plate; Fig. 5 is a first clamping groove; Fig. 6 is a positioning pin; Fig. 7 is a supporting plate; Fig. 8 is a second clamping groove; Fig. 9 is a waist-shaped groove; Fig. 10 is a connecting plate; Fig. 11 is a clamping block; Fig. 12 is a protrusion; Fig. 13 is a screw rod; Fig. 14 is a bridge plate; Fig. 15 is a rotating rod; Fig. 16 is a pressing block; Fig. 17 is a cylinder; and Fig. 18 is a limiting column. DETAILED DESCRIPTION

[0025] The following description is only preferred embodiments of the utility model, the protection scope is not only limited to this embodiment, and belongs to the protection scope of the utility model for the technical scheme under the idea of the utility model. Meanwhile, it should be pointed out that for ordinary skilled person in the prior art, a number of improvements and refinements without departing from the principle of the utility model, these improvements and refinements should also be regarded as the protection scope of the utility model.

[0026] See Figs. 1 to 7 A four-axis rotary table is provided with a workbench 1, the upper part of the workbench 1 is fixedly connected with a disc tailstock 2 and a four-axis rotary table 3, the disc tailstock 2 and the four-axis rotary table 3 are respectively fixedly connected with a fixed plate 4, a plurality of clamping grooves one 5 are formed in the side surface of the fixed plate 4, and two symmetrical pin holes are formed in the surface of the fixed plate 4. It also includes a supporting plate 7, the surface of the supporting plate 7 is fixedly connected with a positioning pin 6 matched with the pin hole, a plurality of clamping grooves two 8 corresponding to the clamping grooves one 5 are formed in the surface of the supporting plate 7, and two side walls of the clamping grooves two 8 are respectively provided with inclined waist grooves 9. It also includes a connecting plate 10, the surface of the connecting plate 10 is slidably connected with a plurality of clamping blocks 11 corresponding to the clamping grooves two 8, the surface of the clamping block 11 is fixedly connected with a rubber pad, each clamping block 11 respectively passes through the clamping grooves two 8 corresponding thereto, and the clamping block 11 extends to the outside of the clamping grooves two 8, the two sides of the clamping block 11 are respectively rotatably connected with protrusions 12, the protrusions 12 are embedded in the waist grooves 9 of the side walls of the clamping grooves two 8, and the protrusions 12 are rollingly connected with the supporting plate 7. A screw rod 13 is penetrated through the center of the surface of the connecting plate 10, the screw rod 13 is perpendicular to the surface of the connecting plate 10, and the screw rod 13 is rotatably connected with the connecting plate 10, the screw rod 13 is threadedly connected with the supporting plate 7, and the two supporting plates 7 are fixedly connected with a bridge plate 14. The two sides of the surface of the bridge plate 14 are respectively hingedly connected with rotating rods 15, the other side of each rotating rod 15 opposite to the bridge plate 14 is fixedly connected with a vertical air cylinder 17, the output shaft of the air cylinder 17 penetrates through a mounting plate and is slidably connected with the bridge plate 14. It also includes a compression block 16 made of nylon, one end of the compression block 16 is hingedly connected with the output shaft of the air cylinder 17, the end of the rotating rod 15 is hingedly connected with the parts between the two ends of the compression block 16, a plurality of limiting columns 18 are fixedly connected to the surface of the bridge plate 14 where the rotating rod 15 is located, and the limiting columns 18 are respectively located around the surface of the bridge plate 14.

[0027] Working principle: when fixing the workpiece, first install the support plate 7 on the four-axis rotary table 3 and the disc tail seat 2, encircle the two positioning pins 6 of the fixed plate 4 with the two pin holes of the support plate 7, and at the same time, the clamping blocks 11 in the clamping slot two 8 of the support plate 7 are respectively inserted into the corresponding fixed plate 4 clamping slot one 5. Turn the screw rod 13 inside the support plate 7, the screw rod 13 drives the connecting plate 10 to move, the connecting plate 10 pushes the clamping block 11 to move, the moving clamping block 11 pushes the convex 12 to generate force on one side wall of the waist-shaped groove 9, the force between the convex 12 and the side wall of the waist-shaped groove 9 drives the clamping block 11 to move relative to the connecting plate 10, so that the clamping block 11 approaches each other to clamp the bottom of the fixed plate 4 clamping slot one 5, and then the support plate 7 is fixed. Then fix the two ends of the bridge plate 14 with the four-axis rotary table 3 and the support plate 7 of the disc tail respectively, and then place the workpiece on the bridge plate 14, so that the workpiece is located between the limiting columns 18 around the surface of the bridge plate 14, and the edge of the workpiece is in contact with the limiting column 18. The output shaft of the air cylinder 17 is elongated to push the pressing block 16 to press the workpiece, so that the workpiece is fixed, and the machining equipment processes the workpiece; when the support plate 7 is removed, turn the screw rod 13 outward, the screw rod 13 pulls the connecting plate 10 away from the support plate 7, the connecting plate 10 drives the clamping block 11 to move, the convex 12 of the clamping block 11 generates force with the other side wall of the waist-shaped groove 9, so that the connecting plate 10 drives the clamping block 11 to move at the same time, the relative motion between the clamping block 11 and the connecting plate 10 is generated, the clamping block 11 moves away from each other, so as to separate from the fixed plate 4, and the support plate 7 can be removed from the fixed plate 4.

Claims

1. A four-axis rotary table is provided with a workbench (1), the upper part of the workbench (1) is fixedly connected with a disc tailstock (2) and a four-axis rotary table (3), the disc tailstock (2) and the four-axis rotary table (3) are respectively fixedly connected with a fixed plate (4), characterized in that, The side surface of the fixed plate (4) is provided with a plurality of clamping grooves (5), the surface of the fixed plate (4) is fixedly connected with two symmetrical positioning pins (6), further comprising a support plate (7), the surface of the support plate (7) is provided with a pin hole matched with the positioning pin (6), the surface of the support plate (7) is provided with a plurality of clamping grooves (8) corresponding to the clamping grooves (5), the two side walls of the clamping grooves (8) are respectively provided with inclined waist grooves (9), further comprising a connecting plate (10), the surface of the connecting plate (10) is slidably connected with a plurality of clamping blocks (11) corresponding to the clamping grooves (8), each clamping block (11) passes through the clamping groove (8) corresponding thereto, and the clamping block (11) extends to the outside of the clamping groove (8), the two sides of the clamping block (11) are rotatably connected with protrusions (12), the protrusions (12) are embedded in the waist grooves (9) of the side walls of the clamping grooves (8), the protrusions (12) are rollingly connected with the support plate (7), a screw rod (13) is penetrated through the center of the surface of the connecting plate (10), the screw rod (13) is perpendicular to the surface of the connecting plate (10), and the screw rod (13) is rotatably connected with the connecting plate (10), and the screw rod (13) is threadedly connected with the support plate (7).

2. The four-axis rotary table of claim 1, wherein, The two support plates (7) are fixedly connected with a bridge plate (14), the two sides of the bridge plate (14) are respectively provided with a fixing mechanism, the fixing mechanism comprises a rotating rod (15), a pressing block (16) and an air cylinder (17), the rotating rod (15) is hinged to the surface of the mounting plate, the air cylinder (17) is vertically fixedly connected to the other side surface of the bridge plate (14) opposite to the rotating rod (15), the output shaft of the air cylinder (17) penetrates through the mounting plate and is slidably connected with the bridge plate (14), one end of the pressing block (16) is hinged to the output shaft of the air cylinder (17), and the end of the rotating rod (15) is hinged to the part between the two ends of the pressing block (16).

3. A four-axis rotary table according to claim 2, wherein The surface of the bridge plate (14) where the rotating rod (15) is located is fixedly connected with a plurality of limiting columns (18), and the limiting columns (18) are respectively located around the surface of the bridge plate (14).

4. The four-axis rotary table of claim 1, wherein, The surface of the clamping block (11) is fixedly connected with a rubber pad.

5. The four-axis rotary table of claim 2, wherein, The pressing block (16) is a nylon pressing block (16).

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