Workpiece clamping device for numerical control milling machine

Abstract

The workpiece clamping device for the numerical control milling machine comprises a bottom plate, a rotating shaft is connected to the top of the bottom plate in a bolted mode, a bearing is connected to the surface of the rotating shaft in a sleeved mode, a rotating disc is connected to the surface of the bearing in a sleeved mode, a chuck is connected to the top of the rotating disc in a bolted mode, and an angle ruler ring is fixedly connected to the surface of the chuck in a sleeved mode. Clamping grooves are formed in the two sides of the bottom plate correspondingly, and mounting bolts are connected into the clamping grooves in a clamped mode. A user inserts the T-shaped block into a sliding groove of a numerical control milling machine operation table. And then a mounting bolt is clamped into a clamping groove, and the mounting bolt is screwed to be in threaded connection with a T-shaped block, so that the device can be effectively and conveniently mounted quickly. A user can rotate the chuck, so that the chuck drives the bevel protractor ring and the turntable to rotate in the groove. And then the rotating angle can be observed through a pointer and an angle ruler ring, then a limiting bolt is screwed to limit the rotating disc, and therefore rapid rotating adjustment can be effectively and conveniently conducted on the workpiece.

Description

Technical Field

[0001] The utility model belongs to the technical field of milling machines, and particularly relates to a workpiece clamping device for a numerically controlled milling machine. Background Art

[0002] Milling machines mainly refer to machine tools that use milling cutters to process various surfaces of workpieces. Usually, the rotation of the milling cutter is the main motion, and the movement of the workpiece and the milling cutter is the feed motion.

[0003] At present, a Chinese utility model with announcement number CN208696841U discloses a workpiece clamping device for a CNC milling machine, including a CNC milling machine body, a first clamping block connected to the left side of the upper end of the CNC milling machine body, a first groove drilled at the upper end of the CNC milling machine body, and the first groove is located on the right side of the first clamping block, a screw hole is drilled at the side end of the CNC milling machine body, and the first groove is connected to the outside through the screw hole, an ordinary ball screw is arranged in the first groove, one end of the ordinary ball screw is rotatably connected to the inner wall of the first groove, the other end of the ordinary ball screw passes through the screw hole and is fixedly connected to a turntable, a screw nut is connected to the ordinary ball screw, a second clamping block is arranged on the upper side of the CNC milling machine body, and a connecting rod is fixedly connected between the second clamping block and the screw nut, so as to realize fine-tuning and coarse-tuning of the workpiece, control the clamping force, and make the clamped workpiece not easily damaged.

[0004] However, the existing workpiece clamping device for CNC milling machines cannot effectively facilitate quick installation, and cannot effectively facilitate quick rotation and adjustment of the workpiece. In order to solve the above problems, we provide a workpiece clamping device for CNC milling machines. Utility Model Content

[0005] The purpose of the utility model is to provide a workpiece clamping device for a numerically controlled milling machine to solve the problems raised by the above-mentioned background technology.

[0006] The above technical purpose of the utility model is achieved through the following technical scheme: a workpiece clamping device for a CNC milling machine, comprising a base plate, a rotating shaft is bolted to the top of the base plate, a bearing is sleeved on the surface of the rotating shaft, a turntable is sleeved on the surface of the bearing, a chuck is bolted to the top of the turntable, an angle ruler ring is fixedly sleeved on the surface of the chuck, slots are provided on both sides of the base plate, mounting bolts are clamped inside the slots, and a T-shaped block is threadedly connected to the bottom of the mounting bolts.

[0007] The above technical solution is adopted: the user inserts the T-shaped block into the slide groove of the CNC milling machine operating table. Then the mounting bolt is inserted into the inside of the slot, and the mounting bolt is screwed to connect with the T-shaped block, so that the device can be quickly installed effectively. The user can turn the chuck so that the chuck drives the angle ruler ring and the turntable to rotate inside the groove. Then the rotation angle can be observed through the pointer and the angle ruler ring, and then the limit bolt is screwed to limit the turntable, so that the workpiece can be quickly rotated and adjusted effectively.

[0008] The utility model is further configured that a threaded hole one which is matched with a mounting bolt is opened on the top of the T-shaped block.

[0009] By adopting the above technical solution, threaded hole one is provided so as to be effectively used in conjunction with the mounting bolts.

[0010] The utility model is further configured that a groove matching the turntable is provided on the top of the bottom plate.

[0011] By adopting the above technical solution, the grooves are provided so that the turntable can be used in conjunction with the turntable.

[0012] The utility model is further configured that the front and back sides of the bottom plate are both threadedly connected with limiting bolts.

[0013] By adopting the above technical solution, the limit bolts are provided to cooperate with the turntable for limiting.

[0014] The utility model is further configured that a second threaded hole matched with the limiting bolt is opened inside the bottom plate.

[0015] By adopting the above technical solution: by setting the second threaded hole, it can be effectively used in conjunction with the limit bolt.

[0016] The utility model is further configured that a pointer is arranged on the top of the base plate, a fixing bolt is sleeved inside the pointer, and the bottom of the fixing bolt is threadedly connected to the base plate.

[0017] By adopting the above technical solution, the pointer can be effectively fixed in a limited position by setting a fixing bolt.

[0018] In summary, the utility model has the following beneficial effects:

[0019] 1. The user inserts the T-shaped block into the slide slot of the CNC milling machine operation table. Then insert the mounting bolt into the slot, and screw the mounting bolt to connect with the T-shaped block thread, so that the device can be quickly installed effectively;

[0020] 2. The user can rotate the chuck to make the chuck drive the angle ring and the turntable to rotate inside the groove. Then the rotation angle can be observed through the pointer and the angle ring, and the limit bolt can be turned to limit the turntable, so as to effectively facilitate the rapid rotation adjustment of the workpiece. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a three-dimensional schematic diagram of the structure of the utility model;

[0022] Figure 2 It is an exploded schematic diagram of the utility model structure.

[0023] Figure numerals: 1. base plate; 2. rotating shaft; 3. bearing; 4. turntable; 5. chuck; 6. angle ruler ring; 7. slot; 8. mounting bolt; 9. T-block; 10. threaded hole one; 11. groove; 12. limit bolt; 13. threaded hole two; 14. pointer; 15. fixing bolt. DETAILED DESCRIPTION

[0024] The utility model is further described in detail below in conjunction with the accompanying drawings.

[0025] Embodiment 1:

[0026] refer to Figure 1 and Figure 2 A workpiece clamping device for a CNC milling machine includes a base plate 1, a rotating shaft 2 is bolted to the top of the base plate 1, a bearing 3 is sleeved on the surface of the rotating shaft 2, a turntable 4 is sleeved on the surface of the bearing 3, and a chuck 5 is bolted to the top of the turntable 4. The user inserts a T-shaped block 9 into the slide groove of the CNC milling machine operating table. Then, the mounting bolt 8 is inserted into the inside of the slot 7, and the mounting bolt 8 is screwed to be threadedly connected with the T-shaped block 9, so that the device can be effectively and conveniently installed quickly.

[0027] refer to Figure 1 A threaded hole 10 matched with the mounting bolt 8 is provided on the top of the T-shaped block 9. By providing the threaded hole 10, it can be effectively used in conjunction with the mounting bolt 8.

[0028] refer to Figure 1 A groove 11 adapted to the turntable 4 is provided on the top of the bottom plate 1 . By providing the groove 11 , the turntable 4 can be used in conjunction with the bottom plate 1 .

[0029] refer to Figure 1 The front and back sides of the bottom plate 1 are both threadedly connected with limit bolts 12. By setting the limit bolts 12, the turntable 4 can be limited.

[0030] Brief description of the use process: the user inserts the T-shaped block 9 into the slide slot of the CNC milling machine operating table, then inserts the mounting bolt 8 into the inside of the slot 7, and screws the mounting bolt 8 to thread the T-shaped block 9, thereby effectively facilitating the quick installation of the device.

[0031] Embodiment 2:

[0032] refer to Figure 1 and Figure 2 , the surface of the chuck 5 is fixedly sleeved with an angle ruler ring 6, and both sides of the bottom plate 1 are provided with a clamping groove 7, and the inside of the clamping groove 7 is clamped with a mounting bolt 8, and the bottom of the mounting bolt 8 is threadedly connected with a T-shaped block 9. The user can rotate the chuck 5, so that the chuck 5 drives the angle ruler ring 6 and the turntable 4 to rotate inside the groove 11. Then, the rotation angle can be observed through the pointer 14 and the angle ruler ring 6, and then the limit bolt 12 is screwed to limit the turntable 4, so that the workpiece can be effectively and conveniently rotated and adjusted quickly.

[0033] refer to Figure 1 A second threaded hole 13 adapted to the limiting bolt 12 is provided inside the bottom plate 1. By providing the second threaded hole 13, the limiting bolt 12 can be effectively used.

[0034] refer to Figure 1 A pointer 14 is provided on the top of the base plate 1, a fixing bolt 15 is sleeved inside the pointer 14, and the bottom of the fixing bolt 15 is threadedly connected to the base plate 1. By providing the fixing bolt 15, the pointer 14 can be effectively limited and fixed.

[0035] Brief description of the use process: The user can rotate the chuck 5, so that the chuck 5 drives the angle ruler ring 6 and the turntable 4 to rotate inside the groove 11. Then the rotation angle can be observed through the pointer 14 and the angle ruler ring 6, and then the limit bolt 12 is screwed to limit the turntable 4, so that the workpiece can be effectively and conveniently rotated and adjusted quickly.

[0036] This specific embodiment is merely an explanation of the present invention and is not a limitation of the present invention. After reading this specification, those skilled in the art may make non-creative modifications to the present embodiment as needed, but such modifications are protected by patent law as long as they are within the scope of the claims of the present invention.

Claims

1. A workpiece clamping device for a CNC milling machine, comprising a base plate (1), characterized in that: The top of the base plate (1) is bolted with a rotating shaft (2), the surface of the rotating shaft (2) is sleeved with a bearing (3), the surface of the bearing (3) is sleeved with a turntable (4), the top of the turntable (4) is bolted with a chuck (5), the surface of the chuck (5) is fixedly sleeved with an angle ruler ring (6), both sides of the base plate (1) are provided with a slot (7), the interior of the slot (7) is sleeved with a mounting bolt (8), and the bottom of the mounting bolt (8) is threadedly connected with a T-shaped block (9).

2. A workpiece clamping device for a CNC milling machine according to claim 1, characterized in that: The top of the T-shaped block (9) is provided with a threaded hole (10) which is compatible with the mounting bolt (8).

3. The workpiece clamping device for a CNC milling machine according to claim 1, characterized in that: The top of the bottom plate (1) is provided with a groove (11) adapted to the rotating disk (4).

4. The workpiece clamping device for a CNC milling machine according to claim 1, characterized in that: The front and back sides of the base plate (1) are both threadedly connected with limiting bolts (12).

5. A workpiece clamping device for a CNC milling machine according to claim 4, characterized in that: The bottom plate (1) is provided with a second threaded hole (13) adapted to the limiting bolt (12).

6. The workpiece clamping device for a CNC milling machine according to claim 1, characterized in that: A pointer (14) is provided on the top of the base plate (1), a fixing bolt (15) is sleeved inside the pointer (14), and the bottom of the fixing bolt (15) is threadedly connected to the base plate (1).

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