Self-adaptive clamping device of numerical control machine tool
By using a motor-driven bidirectional screw to move the slide plate and clamping mechanism, the problem of inconvenient clamping of irregular workpieces by CNC machine tool fixtures is solved, achieving adaptive clamping and improving the flexibility and stability of clamping.
Patent Information
- Application Number
- CN202422568915.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-24
- Publication Date
- 2025-11-18
- Estimated Expiration
- 2034-10-24
AI Technical Summary
Existing CNC machine tool fixtures cannot be adaptively adjusted, making it inconvenient to clamp and limit irregularly shaped workpieces.
The device uses a motor-driven bidirectional screw to move the slide plate and clamping mechanism. By rotating and moving the clamping blocks, it can adaptively clamp irregular workpieces. The sliding groove and threaded connection guide the device to ensure the stability and flexibility of the clamping.
It achieves adaptive clamping of irregular workpieces, improves the flexibility and stability of clamping, reduces the difficulty of operation, and improves work efficiency.
Smart Images

Figure CN223557855U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to clamping device technical field especially relates to a kind of self-adaptive clamping device of numerical control machine tool. BACKGROUND
[0002] The utility model discloses a desktop numerical control machine tool clamping device, including lathe, first fixture, second fixture and support rod, the lathe is connected with first fixture and second fixture cooperation, the support rod is arranged at the left side of lathe, and with fixed connection of lathe, first fixture is equipped with fixed block, first pivot, movable rod, second pivot and buckle, second fixture is equipped with connecting rod and positioning device, positioning device is equipped with spring, this desktop numerical control machine tool clamping device, through the buckle of being equipped with, first fixture and second fixture can be quickly clamped to article, simple structure, it is convenient to operate, greatly reduce the labor intensity of staff, to improve the work efficiency of staff.
[0003] But the device when using, the clamps are not self-adapting adjustment when clamping irregularly shaped workpiece, it is inconvenient to clamp limit for the workpiece of edge irregularity. UTILITY MODEL CONTENTS
[0004] The utility model discloses a kind of self-adaptive clamping device of numerical control machine tool, to solve the shortcoming that the clamps are not self-adapting adjustment when clamping irregularly shaped workpiece in prior art, it is inconvenient to clamp limit for the workpiece of edge irregularity.
[0005] To achieve the above object, the utility model adopts the following technical scheme:
[0006] A kind of self-adaptive clamping device of numerical control machine tool, including base, the lower end front of the base is fixedly connected with mounting plate, the front end of the mounting plate is fixedly installed with motor, the rotating shaft of the motor is through mounting plate and is rotationally connected with mounting plate, the rotating shaft rear end of the motor is fixedly connected with double-way screw rod, the outer side of the double-way screw rod is connected with sliding plate by screw thread, the sliding plate and base are slidably connected, the sliding plate is provided with clamping mechanism, the clamping mechanism includes slide rod, the upper end of the sliding plate is fixedly connected with slide rod, the upper end of the slide rod is fixedly connected with slide base, the inside of the slide base is slidably connected with mounting seat, the inside of the mounting seat is rotationally connected with clamping block. Through motor drive double-way screw rod rotation, in turn make the sliding plate move drive slide rod move, in turn make the slide base move, in turn make the clamping block move, and clamping block relatively mounting seat rotation, can self-adaptively clamp and fix irregularly shaped workpiece placed on the upper end of base.
[0007] Furthermore, preferably, a lower end rear part of the base is fixedly connected with a side plate, and the side plate and the bidirectional screw rod are connected through a bearing.
[0008] Furthermore, preferably, an inner part of the base is provided with a sliding groove, and the sliding groove and the sliding rod are connected through sliding.
[0009] Furthermore, preferably, an inner part of the sliding base is threadedly connected with a screw rod, and the screw rod and the mounting seat are connected through a bearing. By arranging the screw rod, the movement of the mounting seat is controlled.
[0010] Furthermore, preferably, a lower end of the sliding base is fixedly connected with a sliding block, and the sliding block and the base are connected through sliding.
[0011] The beneficial effects of the present application are as follows:
[0012] The bidirectional screw rod is driven to rotate by the motor, so that the sliding plate moves to drive the sliding rod to move, and then the sliding base moves, and then the clamping block moves, and the clamping block rotates relative to the mounting seat, so that the irregularly shaped workpiece placed on the upper end of the base can be clamped and fixed. BRIEF DESCRIPTION OF DRAWINGS
[0013] Figure 1 The structure of the self-adaptive clamping device of the numerical control machine tool is shown in the figure.
[0014] Figure 2 The self-adaptive clamping device of the numerical control machine tool is shown in the figure. Figure 1
[0015] Figure 3 The self-adaptive clamping device of the numerical control machine tool is shown in the figure. Figure 1
[0016] Figure 4 The self-adaptive clamping device of the numerical control machine tool is shown in the figure. Figure 3
[0017] In the figure: 1, base; 2, mounting plate; 3, motor; 4, bidirectional screw rod; 5, side plate; 6, sliding plate; 7, clamping mechanism; 71, sliding rod; 72, sliding groove; 73, sliding base; 74, mounting seat; 75, clamping block; 76, screw rod; 77, sliding block. DETAILED DESCRIPTION
[0018] Clearly, the described embodiments are merely a part of the embodiments of the present application, but not all the embodiments.
[0019] With reference to Figures 1-3 The adaptive clamping device of the numerical control machine tool comprises a base 1, a mounting plate 2 is fixedly connected to the lower end of the front part of the base 1, a motor 3 is fixedly installed at the front end of the mounting plate 2, the rotating shaft of the motor 3 penetrates through the mounting plate 2 and is rotationally connected with the mounting plate 2, a bidirectional screw rod 4 is fixedly connected to the rear end of the rotating shaft of the motor 3, a side plate 5 is fixedly connected to the lower end of the rear part of the base 1, the side plate 5 is connected with the bidirectional screw rod 4 through a bearing, the bidirectional screw rod 4 is supported through the arrangement of the side plate 5, a sliding plate 6 is threadedly connected to the outer side of the bidirectional screw rod 4, the sliding plate 6 is slidingly connected with the base 1, and a clamping mechanism 7 is arranged on the sliding plate 6.
[0020] With reference to Figures 1-4 The clamping mechanism 7 comprises a sliding rod 71, the upper end of the sliding plate 6 is fixedly connected with the sliding rod 71, a sliding groove 72 is arranged in the interior of the base 1, the sliding groove 72 is slidingly connected with the sliding rod 71, the movement of the sliding rod 71 is guided through the arrangement of the sliding groove 72, a sliding seat 73 is fixedly connected to the upper end of the sliding rod 71, an installation seat 74 is slidingly connected in the interior of the sliding seat 73, a clamping block 75 is rotationally connected in the interior of the installation seat 74, a screw rod 76 is threadedly connected in the interior of the sliding seat 73, the screw rod 76 is connected with the installation seat 74 through a bearing, the movement of the installation seat 74 is controlled through the arrangement of the screw rod 76, a sliding block 77 is fixedly connected to the lower end of the sliding seat 73, the sliding block 77 is slidingly connected with the base 1, the sliding seat 73 is assisted and supported through the arrangement of the sliding block 77, the sliding plate 6 is moved to drive the sliding rod 71 to move through the driving of the motor 3 to rotate the bidirectional screw rod 4, the sliding seat 73 is moved, the clamping block 75 is moved, and the clamping block 75 is rotated relative to the installation seat 74, so that the irregularly shaped workpiece placed on the upper end of the base 1 can be clamped and fixed.
[0021] The utility model discloses a specific implementation process: when using, the workpiece is placed in the upper end of base 1, and motor 3 is started, and motor 3 drives bidirectional screw rod 4 to rotate, and bidirectional screw rod 4 rotates and slide plate 6 does screw thread movement, and slide plate 6 drives slide rod 71 to move, and slide rod 71 drives sliding seat 73 to move, and sliding seat 73 drives screw rod 74 to move, and screw rod 74 drives clamping block 75 to move, so that clamping block 75 and workpiece contact, when clamping block 75 and workpiece contact, clamping block 75 automatically rotates and adjusts according to the shape of the contact position of workpiece, so that the side surface of clamping block 75 and the inclined surface on workpiece contact, then manually rotate screw rod 76, and screw rod 76 rotates and sliding seat 73 do screw thread movement, and then make mounting seat 74 move, and mounting seat 74 moves and drives clamping block 75 to move, so that all clamping block 75 contact and keep close fitting with workpiece, and motor 3 drives bidirectional screw rod 4 to rotate, and then make slide plate 6 move and drive slide rod 71 to move, and then make sliding seat 73 move, and then make clamping block 75 move, and clamping block 75 rotate relative to mounting seat 74, can self-adaptingly clamp and fix the workpiece of irregular shape placed on the upper end of base 1.
[0022] The above, only for the preferred specific implementation of the utility model, but the protection scope of the utility model is not limited to this, any skilled in the art person in the utility model disclosed technical range, according to the utility model technical scheme and the utility model concept of the utility model are equivalent to replace or change, all should be covered in the protection scope of the utility model.
Claims
1. An adaptive gripping device for a numerically controlled machine tool comprising a base (1), characterized in that, The lower end of the base (1) is fixedly connected with a mounting plate (2), the front end of the mounting plate (2) is fixedly connected with a motor (3), the rotating shaft of the motor (3) penetrates through the mounting plate (2) and is rotationally connected with the mounting plate (2), the rear end of the rotating shaft of the motor (3) is fixedly connected with a bidirectional screw rod (4), the outer side of the bidirectional screw rod (4) is threadedly connected with a sliding plate (6), the sliding plate (6) is slidably connected with the base (1), the sliding plate (6) is provided with a clamping mechanism (7), the clamping mechanism (7) comprises a sliding rod (71), the upper end of the sliding plate (6) is fixedly connected with the sliding rod (71), the upper end of the sliding rod (71) is fixedly connected with a sliding seat (73), the inside of the sliding seat (73) is slidably connected with a mounting seat (74), the inside of the mounting seat (74) is rotationally connected with a clamping block (75).
2. A self-adapting clamping device for a numerically controlled machine tool according to claim 1, characterized in that, The lower end of the base (1) is fixedly connected with a side plate (5), the side plate (5) is connected with the bidirectional screw rod (4) through a bearing.
3. A self adaptive fixture for a CNC machine according to claim 1, wherein, The inside of the base (1) is provided with a sliding groove (72), the sliding groove (72) is slidably connected with the sliding rod (71).
4. A self adaptive fixture for a CNC machine according to claim 1, wherein, The inside of the sliding seat (73) is threadedly connected with a screw rod (76), the screw rod (76) is connected with the mounting seat (74) through a bearing.
5. An adaptive gripping device for a numerically controlled machine tool according to claim 1, characterized in that, The lower end of the sliding seat (73) is fixedly connected with a sliding block (77), the sliding block (77) is slidably connected with the base (1).
Citation Information
Patent Citations
Desk -top digit control machine tool clamping device
CN207723920U