Clamping device of numerical control machine tool

Abstract

The utility model discloses a clamping device of a numerical control machine tool. The clamping device comprises a base plate, a driving motor arranged at one end of the base plate, a sliding seat arranged on the end face of the base plate in a sliding mode and connected with an output shaft of the driving motor, and a clamping mechanism in transmission connection with the sliding seat. By means of the design, the clamping force and accuracy can be improved during clamping.

Description

Technical Field

[0001] The utility model relates to the technical field of numerically controlled machine tools, in particular to a clamping device for numerically controlled machine tools. Background Art

[0002] CNC machine tools are high-precision and high-efficiency machine tools that use computers, controllers, programming languages ​​and other technologies to achieve processing operations. CNC machine tools are equipped with clamping devices to clamp the objects to be processed so that they can be processed. The clamping devices of existing CNC machine tools have problems such as inaccurate clamping and insufficient clamping force. If the clamping is not stable, it will affect its processing efficiency. Utility Model Content

[0003] In order to solve the technical defects mentioned in the above background technology, the purpose of the utility model is to provide a clamping device for a CNC machine tool, which can increase its clamping force and accuracy during clamping.

[0004] The utility model adopts the following technical solutions:

[0005] A clamping device for a numerically controlled machine tool comprises a base plate, a driving motor arranged at one end of the base plate, a sliding seat slidably arranged on the end surface of the base plate and connected to the output shaft of the driving motor, and a clamping mechanism drivingly connected to the sliding seat.

[0006] Optionally, the clamping mechanism includes a screw, a transmission gear rotatably mounted on the base plate and meshing with both sides of the sliding seat, a clamping assembly transmission-connected to the two transmission gears, and a clamping assembly at one end of the clamping assembly away from the transmission gear, and the drive motor drives the screw to move the sliding seat.

[0007] Optionally, the clamping assembly includes a rotating rod installed on two transmission gears, a connecting rod adjacent to the rotating rod and installed on a base plate, and a clamping arm rotatably connected to the rotating rod and the connecting rod, and the clamping arm is transmission-connected to the transmission gear via the rotating rod.

[0008] Optionally, the clamping assembly includes a stator part, a movable part slidably connected to the stator part, and a transmission assembly meshing with one end of the movable part toward the clamping arm, and the stator part is fixedly connected to one end of the clamping arm away from the transmission gear.

[0009] Optionally, the transmission assembly includes a first roller rotatably arranged in the stator part, a second roller penetrating through the side wall of the stator part and arranged parallel to the first roller, and a transmission belt sleeved on the first roller and the second roller, one end of the second roller passes through the side wall of the stator part and is fixedly connected with an adjusting nut, and the transmission belt is engaged with one end of the movable part facing the clamping arm.

[0010] Optionally, the base plate is further provided with a sliding groove, and the sliding seat slides in the sliding groove.

[0011] In summary, the beneficial effects of the utility model are:

[0012] By arranging a driving motor at one end of the base plate, the sliding seat connected to the output shaft of the driving motor can be moved, so that the clamping mechanism can be connected through the sliding seat transmission, so that the clamping mechanism can perform a clamping action, thereby achieving the grabbing of objects. By arranging a transmission gear and a clamping assembly, the clamping force can be increased under the drive of the sliding seat, thereby increasing the processing efficiency.

[0013] At the same time, by arranging a clamping component at the bottom of the clamping component, the accuracy and clamping strength can be improved through the action of the transmission component to prevent falling.

[0014] The above description is only an overview of the technical solution of the present invention. In order to more clearly understand the technical means of the present invention, it can be implemented in accordance with the contents of the specification. In order to make the above and other purposes, features and advantages of the present invention more obvious and easy to understand, the following preferred embodiments are specifically cited and described in detail with the accompanying drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a structural schematic diagram of an embodiment of the utility model;

[0016] Figure 2 It is an exploded view of an embodiment of the utility model;

[0017] Figure 3 It is a cross-sectional view of an embodiment of the utility model;

[0018] Description of reference numerals in the figures:

[0019] 1. Base plate; 11. Sliding groove; 2. Driving motor; 3. Sliding seat; 4. Clamping mechanism; 41. Screw rod; 42. Transmission gear; 43. Clamping assembly; 431. Rotating rod; 432. Linking rod; 433. Clamping arm; 44. Clamping assembly; 441. Stator part; 442. Mover part; 443. Transmission assembly; 4431. First roller; 4432. Second roller; 4433. Transmission belt; 4434. Adjusting nut. DETAILED DESCRIPTION

[0020] In order to make the content of the utility model more clearly understood, the utility model is further described below based on specific embodiments in combination with the accompanying drawings.

[0021] It should be noted that the terms "center", "upper", "lower", "front", "back", "left", "right", "inner", "outer" and the like used herein to indicate directions or positional relationships are based on directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore cannot be understood as limiting the present invention. Unless otherwise specified, "plurality" means two or more.

[0022] Unless otherwise clearly specified and limited, the terms "installed", "connected" and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in this utility model can be understood by specific circumstances.

[0023] like Figure 1 As shown, an embodiment of the present application provides a clamping device for a CNC machine tool, including a substrate 1, a drive motor 2 installed at one end of the substrate 1, a sliding seat 3 slidably arranged on the end surface of the substrate 1 and connected to the output shaft of the drive motor 2, and a clamping mechanism 4 transmission-connected to the sliding seat 3.

[0024] In this embodiment, the above-mentioned basically has a rectangular shape, wherein the driving motor 2 is located at one end of the substrate 1, specifically, it is basically arranged corresponding to the slide groove, the above-mentioned sliding seat 3 is arranged on the substrate 1 and slides in the slide groove, so that the sliding seat 3 can slide back and forth along the slide groove 11 under the drive of the driving motor 2, and at the same time, since the clamping mechanism 4 is connected to the sliding seat 3 by transmission, it can drive the clamping mechanism 4 to clamp the object, and then it can be processed. The above-mentioned scheme is used for the driving motor 2 to drive the clamping mechanism 4 to clamp, which is simplified in structure, and the simple structure can realize its clamping work, reducing the failure rate.

[0025] Optional, such as Figure 2 As shown, the clamping mechanism 4 includes a screw 41, a transmission gear 42 rotatably mounted on the base plate 1 and meshing with both sides of the sliding seat 3, a clamping assembly 43 transmission-connected to the two transmission gears 42, and a clamping assembly 44 at one end of the clamping assembly 43 away from the transmission gear 42. The driving motor 2 drives the screw 41 to move the sliding seat 3.

[0026] In this embodiment, one end of the screw rod 41 is connected to the output shaft of the driving motor 2 and passes through the sliding seat 3. The sliding seat 3 has an internal thread. When the driving motor 2 rotates, the sliding seat 3 can be driven to slide in the sliding groove 11 on the substrate 1. The two side arms of the sliding seat 3 have teeth. Specifically, the teeth of the two side walls are symmetrically distributed (on both sides parallel to the sliding groove). At the same time, a transmission gear 42 is arranged on the substrate 1 close to the two side walls. The transmission gear 42 is rotatably connected to the substrate 1 and meshes with the teeth of the two side walls of the substrate 1. The clamping assembly 43 is transmission-connected to the transmission gear 42. Specifically, the rotation of the transmission gear 42 can drive the clamping assembly 43 to be relatively close, so that the object can be clamped. A clamping assembly 44 is arranged at the end of the clamping assembly 43 away from the transmission gear 42. By arranging the clamping assembly 44, the clamped objects can be clamped more firmly and stably.

[0027] Further, such as Figure 2 As shown, the clamping assembly 43 includes a rotating rod 431 installed on two transmission gears 42, a connecting rod 432 adjacent to the rotating rod 431 and installed on the base plate 1, and a clamping arm 433 rotatably connected to the rotating rod 431 and the connecting rod 432, and the clamping arm 433 is transmission-connected to the transmission gear 42 via the rotating rod 431.

[0028] In this embodiment, one end of the rotating rod 431 is fixedly connected to the top of the transmission gear 42, and the other end is rotatably connected to the clamping arm 433. At the same time, a connecting rod 432 is provided to be rotatably connected to the clamping arm 433, so that the clamping arm 433 can be driven by the rotating rod 431 to perform a clamping action, thereby achieving clamping, thereby achieving accurate clamping of objects and avoiding unstable clamping.

[0029] Further, such as Figure 2 and Figure 3 As shown, the clamping assembly 44 includes a stator portion 441, a movable portion 442 slidably connected to the stator portion 441, and a transmission assembly 443 meshing with one end of the movable portion 442 toward the clamping arm 433. The stator portion 441 is fixedly connected to one end of the clamping arm 433 away from the transmission gear 42.

[0030] In this embodiment, the stator portion 441 is fixedly connected to the bottom of the end of the clamping arm 433 away from the transmission gear 42, and the movable portion 442 can move up and down along the stator portion 441. At the same time, by setting a transmission assembly 443, the movable portion 442 can be driven to move up and down, so that objects can be clamped up and down, making the clamping more precise and stable, thereby optimizing the adaptability of this embodiment.

[0031] Further, such as Figure 2 and Figure 3As shown, the transmission assembly 443 includes a first roller rotatably arranged in the stator part 441, a second roller 4432 penetrating the side wall of the stator part 441 and arranged parallel to the first roller 4431, and a transmission belt 4433 wound around the first roller 4431 and the second roller 4432, and the transmission belt 4433 is engaged with one end of the movable part 442 facing the clamping arm 433.

[0032] In this embodiment, the stator portion 441 has a cavity, the first roller 4431 and the second roller 4432 are both arranged inside the stator portion 441, the first roller 4431 and the second roller 4432 are arranged relatively parallel and close to the mover portion 442, and at the same time, a transmission belt 4433 is arranged on the first roller 4431 and the second roller 4432, a rack is arranged on the transmission belt 4433, and teeth are arranged on a section of the mover portion 442 facing the transmission belt 4433, and the transmission belt 4433 is meshed with the mover portion 442, so that the mover portion 442 can be driven to move up and down under the drive of the transmission belt 4433, so that clamping can be achieved, and an adjusting nut 4434 is also provided at one end of the second roller 4432, so that the second roller 4432 can be rotated by rotating the adjusting nut 4434, thereby driving the transmission belt 4433 to rotate, and then driving the mover portion 442 to move up and down.

[0033] Optional, such as Figure 1 As shown, the base plate 1 is further provided with a sliding groove 11 , and the sliding seat 3 slides in the sliding groove 11 .

[0034] In this embodiment, a sliding groove 11 is provided on the above-mentioned substrate 1. By providing the sliding groove 11, the sliding seat 3 can slide in the sliding groove 11, so that the sliding seat 3 can slide in the sliding groove 11 under the action of the driving motor 2, thereby driving the transmission gear 42 to rotate, and the rotation of the transmission gear 42 can drive the clamping assembly 43 to clamp.

[0035] The embodiments of this specific implementation are all preferred embodiments of the present application, and are not intended to limit the protection scope of the present application. The same components are represented by the same figure marks. Therefore, any equivalent changes made based on the structure, shape, and principle of the present application should be included in the protection scope of the present application.

Claims

1. A clamping device for a CNC machine tool, characterized in that: The invention comprises a base plate (1), a driving motor (2) arranged at one end of the base plate (1), a sliding seat (3) slidably arranged on the end surface of the base plate (1) and connected to the output shaft of the driving motor (2), and a clamping mechanism (4) drivingly connected to the sliding seat (3).

2. The clamping device for a CNC machine tool according to claim 1, characterized in that: The clamping mechanism (4) comprises a screw (41), a transmission gear (42) rotatably mounted on the base plate (1) and meshing with two sides of the sliding seat (3), a clamping assembly (43) transmission-connected to the two transmission gears (42), and a clamping assembly (44) connected to one end of the clamping assembly (43) away from the transmission gear (42), and the driving motor (2) drives the screw (41) to move the sliding seat (3).

3. The clamping device for a CNC machine tool according to claim 2, characterized in that: The clamping assembly (43) comprises a rotating rod mounted on two transmission gears (42), a connecting rod (432) adjacent to the rotating rod (431) and mounted on the base plate (1), and a clamping arm (433) rotatably connected to the rotating rod (431) and the connecting rod (432), wherein the clamping arm (433) is transmission-connected to the transmission gear (42) via the rotating rod (431).

4. The clamping device for a CNC machine tool according to claim 3, characterized in that: The clamping assembly (44) comprises a stator portion (441), a movable portion (442) slidably connected to the stator portion (441), and a transmission assembly (443) meshing with one end of the movable portion (442) toward the clamping arm (433); the stator portion (441) is fixedly connected to one end of the clamping arm (433) away from the transmission gear (42).

5. The clamping device for a CNC machine tool according to claim 4, characterized in that: The transmission assembly (443) includes a first roller (4431) rotatably arranged in the stator part (441), a second roller (4432) passing through the side wall of the stator part (441) and arranged parallel to the first roller (4431), and a transmission belt (4433) sleeved on the first roller (4431) and the second roller (4432), one end of the second roller (4432) passing through the side wall of the stator part (441) is also fixedly connected with an adjusting nut (4434), and the transmission belt (4433) is meshed with one end of the movable part (442) facing the clamping arm (433).

6. The clamping device for a CNC machine tool according to claim 5, characterized in that: The base plate (1) is also provided with a sliding groove (11), and the sliding seat (3) slides in the sliding groove (11).

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