Clamping assembly of numerical control machine tool
By designing a CNC machine tool clamping assembly with a motor-driven screw and an air pump, the possible shift and dust impact of the workpiece during processing is solved, and the stable clamping and efficient dust removal of the workpiece are achieved, which extends the service life of the assembly.
Patent Information
- Application Number
- CN202421153442.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-24
- Publication Date
- 2025-02-28
- Estimated Expiration
- 2034-05-24
AI Technical Summary
During use, existing CNC machine tool clamping components may cause workpiece displacement or vibration, reducing processing accuracy, and dust and impurities will affect processing quality, resulting in increased wear and shortening of service life of clamping components.
A CNC machine tool clamping assembly is designed, including a base, a positioning part, a driven part and a drive part. The screw rod and the limiting rod are driven by the motor to make the clamping plate move closer to the middle, and the workpiece surface is blown and dusted through the through holes of the air pump and the clamping plate.
The stable clamping of the workpiece is achieved, which avoids the reduction in accuracy caused by dust and impurities during processing and wear of the clamping assembly, and extends the service life of the clamping assembly.
Smart Images

Figure CN222536921U_ABST
Abstract
Description
Technical Field
[0001] The present application relates to the technical field of CNC machine tool components, and in particular to a CNC machine tool clamping component. Background Art
[0002] CNC machine tools are high-precision, high-efficiency automated machine tools that achieve efficient and precise processing of metal parts. In order to firmly fix the workpiece during the processing and ensure that the workpiece maintains the correct position and posture during cutting, milling, drilling or other processing, CNC machine tool clamping components are required.
[0003] During use, the existing CNC machine tool clamping components may cause the workpiece to shift or vibrate during the machining process due to unstable clamping, which will lead to a decrease in machining accuracy and may even cause damage to the machine tool; in addition, during the machining process, if there is dust or other impurities on the surface of the workpiece, these impurities may affect the contact between the tool and the workpiece, resulting in uneven distribution of cutting force, thereby affecting the machining quality, and dust may also enter between the moving parts of the clamping assembly, causing increased wear and reducing the service life of the clamping assembly.
[0004] Therefore, in order to solve the above problems, the present application provides a CNC machine tool clamping assembly.
[0005] The above information disclosed in the background technology is only used to increase the understanding of the background technology of the present application, and therefore, it may include information that does not constitute the prior art known to ordinary technicians in the field. Utility Model Content
[0006] In order to solve the problems raised in the above background technology, the present application provides a CNC machine tool clamping assembly.
[0007] The present application provides a CNC machine tool clamping assembly, comprising a base, wherein positioning parts are fixedly installed at both ends of the top of the base, and a driving part for driving a driven part to move is installed on one side of the base, and the driven part is fixedly installed on the positioning part. The driven part includes a screw rod, a limit rod and a movable plate, wherein an air pump and a clamping plate are fixedly installed on one end of the movable plate away from the positioning part.
[0008] Preferably, the positioning portion comprises a fixing seat and a first rotating wheel, wherein the fixing seat is fixedly mounted on two ends of the top of the base, and the first rotating wheel is mounted on a side wall of the fixing seat via a bearing.
[0009] Preferably, the screw rod is threadedly passed through the first rotating wheel and then fixedly connected to the movable plate, and the limiting rod is movably passed through the fixing seat and then fixedly connected to the movable plate.
[0010] Preferably, the driving part includes a rotating shaft, a second rotating wheel, a mounting block and a motor, wherein the motor is fixedly mounted on the top of the base through the mounting block, and the output shaft of the motor is fixedly connected to the rotating shaft, the second rotating wheel is fixedly sleeved on the rotating shaft, and the second rotating wheel is transmission connected to the first rotating wheel through a crawler track.
[0011] Preferably, the movable plate is fixedly connected to the clamping plate via a connecting rod, and a plurality of air pumps for removing dust from the workpiece are fixedly installed between the movable plate and the clamping plate.
[0012] Preferably, a plurality of through holes are provided on one side of the clamping plate close to the workpiece for the circulation of gas output by the air pump.
[0013] In summary, this application includes the following beneficial technical effects:
[0014] The motor is controlled so that its output shaft drives the rotating shaft to rotate, and the rotating shaft rotates synchronously with the first rotating wheel through the crawler drive, so that the lead screw threaded in the first rotating wheel pushes the movable plate inward under the limiting action of the limiting rod, and the movable plate pushes the clamping plate to the middle to clamp the workpiece to keep the workpiece stable; further, the air pump is controlled to output gas, and the gas blows soot to the surface of the workpiece through the through holes in the side walls of the clamping plate to prevent dust and impurities on the surface of the workpiece from affecting the processing quality of the workpiece. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] Figure 1 It is a schematic diagram of the overall structure in Example 1 of the present application;
[0016] Figure 2 It is a detailed diagram of the local structure in the first embodiment of the present application;
[0017] Figure 3 It is the embodiment of the present application Figure 2 A magnified detail of point A.
[0018] Explanation of the reference numerals: 1. base; 2. positioning part; 201. fixing seat; 202. first rotating wheel; 3. driven part; 301. screw rod; 302. limiting rod; 303. movable plate; 4. air pump; 5. clamping plate; 6. driving part; 601. rotating shaft; 602. second rotating wheel; 603. mounting block; 604. motor; 7. connecting rod. DETAILED DESCRIPTION
[0019] The following is combined with Figure 1-Figure 3 This application is described in further detail.
[0020] Example 1: Reference Figure 1-Figure 3A CNC machine tool clamping assembly includes a base 1, a positioning part 2 is fixedly installed at both ends of the top of the base 1, and a driving part 6 for driving a driven part 3 to move is installed on one side of the base 1, and the driven part 3 is fixedly installed on the positioning part 2. The driven part 3 includes a screw rod 301, a limit rod 302 and a movable plate 303, wherein an air pump 4 and a clamping plate 5 are fixedly installed on the end of the movable plate 303 away from the positioning part 2.
[0021] The positioning portion 2 includes a fixing seat 201 and a first rotating wheel 202 , wherein the fixing seat 201 is fixedly mounted on both ends of the top of the base 1 , and the first rotating wheel 202 is mounted on the side wall of the fixing seat 201 through a bearing.
[0022] The screw rod 301 is threadedly passed through the first rotating wheel 202 and then fixedly connected to the movable plate 303 . The limiting rod 302 is movably passed through the fixing seat 201 and then fixedly connected to the movable plate 303 .
[0023] The driving unit 6 includes a rotating shaft 601, a second rotating wheel 602, a mounting block 603 and a motor 604, wherein the motor 604 is fixedly mounted on the top of the base 1 through the mounting block 603, and the output shaft of the motor 604 is fixedly connected to the rotating shaft 601, and the second rotating wheel 602 is fixedly sleeved on the rotating shaft 601, and the second rotating wheel 602 is connected to the first rotating wheel 202 through a crawler belt.
[0024] The movable plate 303 is fixedly connected to the clamping plate 5 via a connecting rod 7 , and a plurality of air pumps 4 for removing dust from the workpiece are fixedly installed between the movable plate 303 and the clamping plate 5 .
[0025] A plurality of through holes are provided on one side of the clamping plate 5 close to the workpiece for the circulation of the gas output by the air pump 4 .
[0026] The implementation principle of a CNC machine tool clamping assembly in the embodiment of the present application is:
[0027] The motor 604 is controlled so that its output shaft drives the rotating shaft 601 to rotate. The rotating rotating shaft 601 rotates synchronously with the first rotating wheel 202 through the track drive, so that the screw rod 301 threadedly sleeved in the first rotating wheel 202 pushes the movable plate 303 inward under the limiting action of the limiting rod 302, and the movable plate 303 pushes the clamping plate 5 to the middle to clamp the workpiece to keep the workpiece stable; further, the air pump 4 is controlled to output gas, and the gas blows soot to the surface of the workpiece through the through holes on the side wall of the clamping plate 5 to prevent dust and impurities on the surface of the workpiece from affecting the processing quality of the workpiece.
[0028] Finally, a few points should be explained: First, in the description of this application, it should be noted that, unless otherwise specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, which may refer to mechanical connection or electrical connection, or internal communication between two components, or direct connection. "upper", "lower", "left", "right", etc. are only used to indicate relative positional relationships. When the absolute position of the object being described changes, the relative positional relationship may change;
[0029] Secondly: In the drawings of the embodiments disclosed in the present utility model, only the structures related to the embodiments disclosed in the present utility model are involved, and other structures can refer to the general design. In the absence of conflict, the same embodiment and different embodiments of the present utility model can be combined with each other;
[0030] Finally: The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present utility model should be included in the protection scope of the present utility model.
[0031] The above are all preferred embodiments of the present application, and the protection scope of the present application is not limited thereto. Therefore, any equivalent changes made according to the structure, shape, and principle of the present application should be included in the protection scope of the present application.
Claims
1. A CNC machine tool clamping assembly, comprising a base (1), characterized in that: The two ends of the top of the base (1) are fixedly mounted with positioning parts (2), and a driving part (6) for driving a driven part (3) to move is mounted on one side of the base (1), and the driven part (3) is fixedly mounted on the positioning part (2). The driven part (3) comprises a screw rod (301), a limit rod (302) and a movable plate (303), wherein an air pump (4) and a clamping plate (5) are fixedly mounted on one end of the movable plate (303) away from the positioning part (2).
2. A CNC machine tool clamping assembly according to claim 1, characterized in that: The positioning portion (2) comprises a fixing seat (201) and a first rotating wheel (202), wherein the fixing seat (201) is fixedly mounted on two ends of the top of the base (1), and the first rotating wheel (202) is mounted on a side wall of the fixing seat (201) via a bearing.
3. A CNC machine tool clamping assembly according to claim 1, characterized in that: The screw rod (301) is threadedly passed through the first rotating wheel (202) and then fixedly connected to the movable plate (303); the limiting rod (302) is movably passed through the fixed seat (201) and then fixedly connected to the movable plate (303).
4. A CNC machine tool clamping assembly according to claim 1, characterized in that: The driving part (6) comprises a rotating shaft (601), a second rotating wheel (602), a mounting block (603) and a motor (604), wherein the motor (604) is fixedly mounted on the top of the base (1) via the mounting block (603), and the output shaft of the motor (604) is fixedly connected to the rotating shaft (601), the second rotating wheel (602) is fixedly sleeved on the rotating shaft (601), and the second rotating wheel (602) is transmission-connected to the first rotating wheel (202) via a crawler belt.
5. The CNC machine tool clamping assembly according to claim 1, characterized in that: The movable plate (303) is fixedly connected to the clamping plate (5) via a connecting rod (7), and a plurality of air pumps (4) for removing dust from the workpiece are fixedly installed between the movable plate (303) and the clamping plate (5).
6. The CNC machine tool clamping assembly according to claim 1, characterized in that: A plurality of through holes are provided on one side of the clamping plate (5) close to the workpiece for the circulation of gas output by the air pump (4).