Adjustable pressing plate for numerical control machine tool

Abstract

The utility model discloses an adjustable pressing plate for a numerical control machine tool, and relates to the technical field of numerical control machine tools. The device comprises a bottom frame, a pressing plate mechanism is arranged at the upper end of the bottom frame, a fixing mechanism is fixedly arranged at the lower end of the bottom frame, the pressing plate mechanism comprises an air cylinder, one side of the air cylinder is fixedly connected with the bottom frame, a push-pull plate is fixedly arranged at the output end of the air cylinder, a push-pull frame is fixedly arranged at one end of the push-pull plate, and the push-pull frame is fixedly connected with the push-pull plate. A rotating plate is rotationally arranged on the inner side of the push-pull frame, a rotating pressing plate is arranged at the end, away from the push-pull frame, of the rotating plate, the two sides of the rotating pressing plate are rotationally connected with the upper end of the bottom frame, the fixing mechanism comprises a fixing rod, and the fixing rod is located at the lower end of the bottom frame. The air cylinder drives the push-pull plate and the rotating pressing plate to conduct accurate positioning and pressing fit, the design of the sliding rail and the rotating groove is combined, stable sliding and flexible rotating of the pressing plate are achieved, and therefore the adjusting flexibility and the working efficiency of the pressing plate are effectively improved.

Description

Technical Field

[0001] This utility model relates to the field of CNC machine tool technology, specifically to an adjustable pressure plate for CNC machine tools. Background Technology

[0002] Adjustable clamping plates for CNC machine tools are suitable for manufacturing environments requiring high-precision machining and stable clamping. When machining workpieces with irregular shapes or varying sizes, they can provide flexible clamping force and stable positioning, ensuring that the workpiece does not shift or vibrate during high-speed cutting or complex machining. This device is widely used in aerospace, automotive manufacturing, mold processing and other fields, and is suitable for machining various materials such as metals and composite materials, effectively improving machining accuracy and production efficiency.

[0003] However, existing technologies still have the following problems:

[0004] Existing technologies for pressure plate adjustment suffer from insufficient precision, cumbersome operation, and poor clamping stability. Most pressure plate devices rely on manual adjustment, making it difficult to achieve precise positioning. Furthermore, workpiece displacement is easily caused by vibration or external force during processing, affecting processing accuracy. In addition, the rotation and sliding flexibility of the pressure plate in existing technologies is poor, making it difficult to adapt to irregular workpieces or complex processing requirements.

[0005] To address the aforementioned problems, the inventors proposed an adjustable pressure plate for CNC machine tools. Utility Model Content

[0006] To address the problems of insufficient precision, cumbersome operation, and poor clamping stability, the purpose of this utility model is to provide an adjustable pressure plate for CNC machine tools.

[0007] To solve the above-mentioned technical problems, the present invention adopts the following technical solution: an adjustable pressure plate for a CNC machine tool, including a base frame, a pressure plate mechanism at the upper end of the base frame, a fixing mechanism at the lower end of the base frame, the pressure plate mechanism including a cylinder, one side of the cylinder being fixedly connected to the base frame, a push-pull plate being fixedly provided at the output end of the cylinder, a push-pull frame being fixedly provided at one end of the push-pull plate, a rotating plate being rotatably provided on the inner side of the push-pull frame, a rotating pressure plate being provided at the end of the rotating plate away from the push-pull frame, and both sides of the rotating pressure plate being rotatably connected to the upper end of the base frame.

[0008] Preferably, the fixing mechanism includes a fixing rod located at the lower end of the base frame. A fixing nut is threaded into the upper end of the fixing rod, and a fixing plate is provided at the lower end of the fixing rod. Two symmetrically distributed positioning screws are rotatably provided on the upper surface of the fixing plate. The positioning plate is threaded on the outer side of the two positioning screws. A positioning groove is formed on the upper surface of the positioning plate, and the positioning groove slides with the fixing rod.

[0009] Compared with the prior art, the utility model has the advantages of

[0010] 1, the utility model discloses a pressing plate mechanism, the cylinder drive push -and -pull board and rotate pressing plate and press together with the design of slide rail and rotary groove, realize the stable sliding and flexible rotation of pressing plate, thereby effectively improve the adjusting flexibility and work efficiency of pressing plate. BRIEF DESCRIPTION OF DRAWINGS

[0011] In order to more clearly illustrate the technical scheme in the embodiment of the utility model or prior art, the following will be briefly introduced to the drawing needed to be used in the embodiment or prior art description, obviously, the drawing in the following description only some embodiments of the utility model, for ordinary skilled person in the art, under the premise of not paying creative labor, still can obtain other drawings according to these drawings.

[0012] Fig. 1 It is the structural schematic diagram of the utility model.

[0013] Fig. 2 It is the structural schematic diagram of the pressing plate mechanism of the utility model.

[0014] Fig. 3 It is the sectional view of the fixed mechanism structure of the utility model.

[0015] In the drawing: 1, base frame;2, pressing plate mechanism;3, fixed mechanism;20, cylinder;21, push -and -pull board;22, sliding block;23, slide rail;24, rotary groove;25, rotating plate;26, rotating pressing plate;27, push -and -pull frame;28, push -and -pull groove;30, fixed nut;31, fixed hole;32, thread groove;33, positioning screw;34, fixed rod;35, fixed plate;36, positioning groove;37, non -slip pad;38, positioning plate. DETAILED DESCRIPTION

[0016] The technical scheme in the embodiment of the utility model will be clearly and completely described in the following with the drawings in the embodiment of the utility model, obviously, the described embodiment only some embodiments of the utility model, not all embodiments. Based on the embodiment in the utility model, all other embodiments obtained by ordinary skilled person in the art without making creative labor belong to the scope of protection of the utility model.

[0017] Embodiment: as Figs. 1-3The utility model provides a kind of adjustable pressure plate for numerical control machine tool, including chassis 1, the upper end of chassis 1 is equipped with pressure plate mechanism 2, the lower end of chassis 1 is fixedly equipped with fixed mechanism 3, the pressure plate mechanism 2 includes cylinder 20, the side of cylinder 20 is fixedly connected with chassis 1, the output end of cylinder 20 is fixedly equipped with push-pull plate 21, one end of push-pull plate 21 is fixedly equipped with push-pull frame 27, the inside of push-pull frame 27 is rotatably equipped with rotating plate 25, the end of rotating plate 25 away from push-pull frame 27 is equipped with rotating pressure plate 26, and the two sides of rotating pressure plate 26 are rotatably connected with the upper end of chassis 1.

[0018] The inside wall of the side of chassis 1 is fixedly equipped with slide rail 23, one side of slide rail 23 is slidably equipped with sliding block 22, and one side of sliding block 22 is fixedly connected with push-pull plate 21, the upper end of both sides of chassis 1 is equipped with rotating groove 24, and the two sides of rotating groove 24 are rotatably connected with rotating pressure plate 26, both sides of push-pull frame 27 are equipped with push-pull groove 28, and one end of push-pull groove 28 is rotatably connected with rotating plate 25, and the close cooperation of sliding block 22 and slide rail 23 ensures the linear motion of push-pull plate 21, and the driving force of cylinder 20, the guiding effect of slide rail 23 and the rotating cooperation of rotating groove 24 and push-pull groove 28 ensure the smooth sliding and flexible rotation of the pressure plate.

[0019] The fixed mechanism 3 includes fixed rod 34, and the lower end of the fixed rod 34 is located in the lower end of the chassis 1, the upper end of the fixed rod 34 is threadedly inserted with a fixed nut 30, the lower end of the fixed rod 34 is provided with a fixed plate 35, the upper surface of the fixed plate 35 is rotatably provided with two symmetrically distributed positioning screws 33, the outer sides of the two positioning screws 33 are threadedly sleeved with a positioning plate 38, and the upper surface of the positioning plate 38 is provided with a positioning groove 36.

[0020] The upper end of the fixed rod 34 is provided with a threaded groove 32, and the threaded groove 32 is threadedly attached to the fixed nut 30, the lower end of the chassis 1 is provided with a fixed hole 31, and the inner side of the fixed hole 31 is slidably attached to the outer side of the fixed nut 30, the lower surface of the positioning plate 38 and the upper surface of the fixed plate 35 are both fixedly provided with anti-skid pads 37, and the anti-skid pads 37 on the positioning plate 38 and the fixed plate 35 jointly act, increase the friction between the numerical control machine tool workbench, prevent the sliding or displacement of the entire pressure plate device in the working process, the threaded groove 32 can be fixed with the fixed nut 30, and the fixed hole 31 can be fixedly connected with the chassis 1.

[0021] Working principle: in the processing of numerical control machine tool, through the pressing plate mechanism 2, first, start the cylinder 20, its output end pushes and pulls the plate 21 along the slide rail 23 steady sliding, the close cooperation of slider 22 and slide rail 23 ensures the linear motion of push-pull plate 21, then, push-pull plate 21 drives push-pull frame 27 to move together, the rotating plate 25 inside push-pull frame 27 rotates under the guidance of push-pull slot 28, in turn drives rotating pressing plate 26 to rotate around the rotating slot 24 on the upper end of base frame 1, with the continuous pushing of cylinder 20, rotating pressing plate 26 gradually rotates and closely adheres to the workpiece, realizes the accurate positioning and stable pressing of workpiece, in the whole process, the pressing plate mechanism 2 ensures the stable sliding and flexible rotation of the pressing plate through the driving force of cylinder 20, the guiding effect of slide rail 23 and the rotating cooperation of rotating slot 24, greatly improves the adjusting flexibility and working efficiency of the pressing plate;

[0022] The fixing mechanism 3 is mainly used for firmly fixing the base frame 1 and the whole pressing plate device on the workbench of numerical control machine tool, first, the fixed rod 34 is placed at the lower end of the base frame 1, and the fixed hole 31 is aligned, and at the same time, the fixed nut 30 is threaded through the fixed hole 31 to be closely screwed with the threaded groove 32 on the upper end of the fixed rod 34, in this way, the fixed nut 30 plays a supporting and fixing role under the base frame 1, then, the position of the positioning plate 38 is adjusted according to actual needs, the positioning plate 38 can be pushed up and down along the fixed rod 34 by rotating the positioning screw 33, until the positioning groove 36 on the positioning plate 38 is closely matched with the fixed rod 34, at this time, the positioning plate 38 and the anti-skid pad 37 on the fixed plate 35 jointly act, increase the friction between the numerical control machine tool workbench, prevent the whole pressing plate device from sliding or shifting during the working process, in the whole fixing process, the fixing mechanism 3 ensures the stable installation and reliable operation of the pressing plate device through the supporting action of the fixed nut 30, the adjusting function of the positioning screw 33 and the anti-skid effect of the anti-skid pad 37.

[0023] Obviously, those skilled in the art can make various modifications and variations to the present application without departing from the spirit and scope of the present application. Thus, if these modifications and variations of the present application fall within the scope of the claims of the present application and their equivalents, the present application also intends to include these modifications and variations.

Claims

1. An adjustable pressure plate for a numerically controlled machine tool, comprising a chassis (1), characterised in that: The upper end of the chassis (1) is provided with a pressing plate mechanism (2), and the lower end of the chassis (1) is fixedly provided with a fixing mechanism (3). The pressing plate mechanism (2) comprises a gas cylinder (20), one side of the gas cylinder (20) is fixedly connected with the chassis (1), the output end of the gas cylinder (20) is fixedly provided with a push-pull plate (21), one end of the push-pull plate (21) is fixedly provided with a push-pull frame (27), the inner side of the push-pull frame (27) is rotatably provided with a rotating plate (25), the end of the rotating plate (25) away from the push-pull frame (27) is provided with a rotating pressing plate (26), and the two sides of the rotating pressing plate (26) are rotatably connected with the upper end of the chassis (1).

2. An adjustable clamping plate for a numerically controlled machine tool as claimed in claim 1, characterized in that The fixing mechanism (3) comprises a fixing rod (34), the fixing rod (34) is located at the lower end of the chassis (1), the upper end of the fixing rod (34) is threadedly provided with a fixing nut (30), the lower end of the fixing rod (34) is provided with a fixing plate (35), the upper surface of the fixing plate (35) is rotatably provided with two symmetrically distributed positioning screws (33), the outer sides of the two positioning screws (33) are commonly threadedly provided with a positioning plate (38), the upper surface of the positioning plate (38) is provided with a positioning groove (36), and the positioning groove (36) is in sliding fit with the fixing rod (34).

3. An adjustable clamp plate for a numerically controlled machine tool as claimed in claim 1, characterized in that One side of the slide rail (23) is slidably provided with a sliding block (22), and one side of the sliding block (22) is fixedly connected with the push-pull plate (21).

4. An adjustable platen for a numerically controlled machine tool as claimed in claim 1, wherein, The upper end of the chassis (1) is provided with rotating grooves (24) on both sides, and the rotating grooves (24) are rotatably connected with the two sides of the rotating pressing plate (26).

5. An adjustable platen for a numerically controlled machine tool as claimed in claim 1, wherein, The two sides of the push-pull frame (27) are provided with push-pull grooves (28), and one end of the rotating plate (25) is rotatably connected with the push-pull grooves (28).

6. An adjustable clamp plate for a numerically controlled machine tool as claimed in claim 2, characterised in that, The upper end of the fixing rod (34) is provided with a threaded groove (32), and the threaded groove (32) is threadedly attached with the fixing nut (30).

7. An adjustable clamp plate for a numerically controlled machine tool as claimed in claim 1, characterized in that The lower end of the chassis (1) is provided with a fixing hole (31), and the inner side of the fixing hole (31) is in sliding fit with the outer side of the fixing nut (30).

8. An adjustable clamp plate for a numerically controlled machine tool as claimed in claim 2, characterised in that, The lower surface of the positioning plate (38) and the upper surface of the fixing plate (35) are fixedly provided with anti-skid pads (37).

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