CNC (computer numerical control) machine tool with automatic clamp function

Abstract

The utility model relates to a CNC numerical control machine tool, in particular to a CNC numerical control machine tool with an automatic clamp function. Comprising a machine tool body, a machining mechanism, a mounting base, a mounting block, an air cylinder, a connecting plate, a motor, a clamp, a fixing mechanism and the like. A machining mechanism and a mounting base are arranged in the machine tool body, a plurality of mounting blocks are arranged on the upper side of the mounting base, a mounting hole is formed in the upper side of each mounting block, air cylinders are mounted at the left end and the right end in the mounting hole of each mounting block, pistons of the two air cylinders are rotationally connected with a connecting plate, a motor is mounted on the lower side of the middle of the connecting plate, and a clamp is placed on the upper side of the connecting plate. And an output shaft of the motor penetrates through the connecting plate and is in sliding connection with the connecting hole of the clamp. Through the design of the air cylinder and the motor, angle adjustment of a workpiece in the horizontal direction and the vertical direction is achieved, the machining range of the machining mechanism is effectively expanded, and machining blind areas possibly generated due to angle limitation are avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to a CNC machine tool, especially a CNC machine tool with automatic clamp function. BACKGROUND

[0002] A CNC machine tool is a machine tool device integrated with advanced automation technology. Through receiving and processing digital information, the CNC machine tool can accurately control the movement and working process of the machine tool, thereby realizing high-precision and high-efficiency part processing and being widely applied in the industries of mechanical manufacturing, aerospace, automobile manufacturing, mold manufacturing, and medical devices.

[0003] The existing CNC machine tool mainly fixes the workpiece through a fixed clamp to realize the processing of the workpiece. For some complex workpieces that need to be processed from multiple different angles, it may not be possible to access all parts that need to be processed, resulting in a processing blind area. SUMMARY

[0004] In order to overcome the shortcoming of the processing blind area, the utility model provides a CNC machine tool with automatic clamp function.

[0005] The technical scheme of the utility model is as follows: a CNC machine tool with automatic clamp function, comprising a machine tool main body, a machining mechanism, a mounting seat, a mounting block, a cylinder, a connecting plate, a motor, a clamp, and a fixing mechanism. The machine tool main body is internally provided with the machining mechanism and the mounting seat. The mounting seat is provided with a plurality of mounting blocks on the upper side. Each mounting block is provided with a mounting hole on the upper side. The mounting hole of the mounting block is internally provided with a cylinder at both ends. The pistons of the two cylinders are rotatably connected with the connecting plate. The connecting plate is internally provided with a motor at the middle lower side. The connecting plate is provided with a clamp on the upper side. The clamp is provided with a connecting hole on the lower side. The output shaft of the motor is slidably connected with the connecting hole of the clamp through the connecting plate. The output shaft of the motor is provided with a key groove. The shape of the connecting hole of the clamp is adapted to the key groove of the output shaft of the motor. The mounting block is provided with a fixing mechanism on both sides.

[0006] As an improvement of the above-mentioned scheme, the connecting plate is provided with a plurality of protrusions on the upper side. The protrusions are uniformly distributed in a ring shape around the center of the connecting plate. The clamp is provided with a first sliding groove on the lower side, which is adapted to the protrusions.

[0007] As an improvement of the above-mentioned scheme, the fixing mechanism comprises a fixing frame and an adjusting screw. The fixing frame is symmetrically installed on both sides of the mounting block. The adjusting screw is threadedly connected to the fixing frame. The clamp is provided with a second sliding groove on the side wall. The adjusting screw is inserted into the second sliding groove to contact the clamp during fixing.

[0008] As an improvement of the above-mentioned scheme, the lower side of the clamp and the upper side of the mounting hole of the mounting block are both arc-shaped.

[0009] As an improvement of the above-mentioned scheme, the motor is a reduction motor.

[0010] As an improvement of the above scheme, there is a certain distance between the lower side of the motor and the mounting block.

[0011] The utility model has the advantages of: 1, the utility model passes through the design of air cylinder and motor, realized the angle adjustment of work piece in horizontal and vertical direction, effectively expanded the processing range of processing mechanism, avoided the processing blind area that the angle limit can produce, and since the motor and clamp are for sliding connection, when the clamp is damaged, need not complicated dismounting step, only need to release the locking of fixed mechanism, can directly take out the clamp from the connecting plate, convenient maintenance or replacement.

[0012] 2, the utility model discloses the design through the convex block and first sliding slot, ensure that the clamp can be positioned accurately on the connecting plate when installing, and make the clamp more stable when rotating, and it is not easy to deviate or shake, guarantee the processing accuracy;The design of the speed reducer motor makes the clamp rotate more stably, further improves the processing accuracy and stability. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 It is the three-dimensional structure schematic diagram of the utility model.

[0014] Figure 2 It is the three-dimensional structure schematic diagram of the utility model after removing machine tool main body.

[0015] Figure 3 It is the three-dimensional structure schematic diagram of the utility model mounting block, clamp and fixed frame etc.

[0016] Figure 4 It is the sectional view of the utility model mounting block.

[0017] Figure 5 It is the explosion view of the utility model mounting block, connecting plate and clamp etc.

[0018] Mark name in drawing: 1-machine tool main body, 2-processing mechanism, 3-mounting seat, 4-mounting block, 5-air cylinder, 6-connecting plate, 61-convex block, 7-motor, 8-clamp, 81-connecting hole, 82-first sliding slot, 83-second sliding slot, 9-fixed frame, 10-adjusting screw. DETAILED DESCRIPTION

[0019] The technical scheme will be further described below in combination with specific embodiments, and it should be noted that: the words such as up, down, left and right in this paper are only for the position of the shown structure in the corresponding drawing.This paper is the serial number of component itself, for example: first, second, etc., is only used to distinguish the described object, and does not have any order or technical meaning.The application said, such as connection, coupling, if no special instruction, includes direct and indirect connection (coupling).

[0020] A CNC machine tool with automatic clamping function, such as Figures 1-5 As shown, the machine tool includes a machine tool body 1, a machining mechanism 2, a mounting base 3, mounting blocks 4, cylinders 5, a connecting plate 6, a motor 7, a fixture 8, and a fixing mechanism. The machining mechanism 2 and the mounting base 3 are located inside the machine tool body 1. The machining mechanism 2 is located directly above the mounting base 3. Multiple mounting blocks 4 are arranged in two rows and four columns on the upper side of the mounting base 3. Each mounting block 4 has a mounting hole on its upper side. Cylinders 5 are installed at both ends of the mounting holes of the mounting blocks 4. The pistons of the two cylinders 5 are rotatably connected to the connecting plate 6. The size of the connecting plate 6 is smaller than the mounting holes. The motor 7 is installed on the lower middle part of the connecting plate 6. The fixture 8 is placed on the upper side of the connecting plate 6. The fixture 8 has a connecting hole 81 on its lower side. The output shaft of the motor 7 passes through the connecting plate 6 and is slidably connected to the connecting hole 81 of the fixture 8. The output shaft of the motor 7 has a keyway. The shape of the connecting hole 81 of the fixture 8 is adapted to the keyway of the output shaft of the motor 7. Fixing mechanisms are symmetrically installed on the front and rear sides of the mounting blocks 4. The fixing mechanisms are used to restrict the vertical movement of the fixture 8.

[0021] In use, the fixture 8 clamps the workpiece, and the machining mechanism 2 processes the workpiece. During processing, the motor 7 drives the fixture 8 and the workpiece on it to rotate, thereby changing the horizontal angle of the workpiece. At the same time, the cylinder 5 can push or pull the connecting plate 6, thereby changing the angle between the fixture 8 and the workpiece in the vertical direction. This combined angle adjustment capability expands the processing range that the machining mechanism 2 can reach, effectively avoiding processing blind spots that may be caused by angle limitations. When the fixture 8 is damaged, the locking mechanism is first released. Since the motor 7 and the fixture 8 are slidably connected, the fixture 8 can be directly removed from the connecting plate 6 without complicated disassembly steps, which is convenient for maintenance or replacement.

[0022] like Figure 5 As shown, it also includes protrusions 61. Four protrusions 61 are provided on the upper side of the connecting plate 6. The four protrusions 61 are evenly distributed in a ring around the center of the connecting plate 6. The lower side of the clamp 8 has a first sliding groove 82 that matches the protrusions 61. The protrusions 61 ensure that the clamp 8 can be accurately positioned on the connecting plate 6 during installation. And through the cooperation of the sliding groove and the protrusions 61, the clamp 8 is more stable when rotating and is less prone to displacement or shaking.

[0023] like Figures 3-5As shown, the fixing mechanism comprises a fixing frame 9 and an adjusting screw 10, the fixing frame 9 is symmetrically installed on the front and rear sides of the mounting block 4, the adjusting screw 10 is threadedly connected to the fixing frame 9, the second sliding groove 83 is opened in the side wall of the clamp 8, the adjusting screw 10 extends into the second sliding groove 83 and contacts with the clamp 8 during fixing, and the end of the adjusting screw 10 contacting with the clamp 8 is hemispherical; the adjusting screw 10 can limit the up-down movement of the clamp 8, prevent the displacement of the clamp 8 due to vibration or external force during processing, and ensure the processing precision and workpiece quality; when the clamp 8 is disassembled, the adjusting screw 10 is rotated to move away from the second sliding groove 83, the adjusting screw 10 no longer limits the up-down movement of the clamp 8, and the clamp 8 can be taken out at this time.

[0024] The lower side of the clamp 8 and the upper side of the mounting hole of the mounting block 4 are both arc-shaped; the arc-shaped shape of the clamp 8 and the mounting block 4 facilitates the angle adjustment of the clamp 8 in the vertical direction, and the clamp 8 is not hindered due to the mismatched shape, so that the operation is more smooth.

[0025] The motor 7 is a reduction motor 7; compared with the ordinary motor 7, the reduction motor 7 has lower rotating speed and higher torque output, which means that it can more stably drive the clamp 8 to rotate, and improve the processing precision and stability.

[0026] There is a certain distance between the lower side of the motor 7 and the mounting block 4, so that the lower side of the motor 7 does not touch the mounting block 4 when the motor 7 rotates with the connecting plate 6, thereby avoiding friction and damage.

[0027] Finally, it should be noted that: the above only describes the preferred embodiments of the present application, and is not used to limit the present application, although the present application has been described in detail with reference to the foregoing embodiments, for those skilled in the art, the technical solutions recorded in the foregoing embodiments can be modified, or some technical features can be replaced, any modification, equivalent replacement, improvement, etc. within the spirit and principles of the present application, should be included in the protection scope of the present application.

Claims

1. A CNC machine tool with automatic clamp function, comprising a machine tool body (1), a machining mechanism (2) and a mounting seat (3), the machine tool body (1) is internally provided with the machining mechanism (2) and the mounting seat (3), characterized in that, The utility model also includes mounting block (4), cylinder (5), connecting plate (6), motor (7), clamp (8) and fixing mechanism, mounting seat (3) upside is equipped with a plurality of mounting block (4), every mounting block (4) upside is opened mounting hole, the mounting hole of mounting block (4) is installed cylinder (5) both ends, two cylinder (5) piston all are rotatablely connected with connecting plate (6), connecting plate (6) middle part downside is installed motor (7), connecting plate (6) upside is placed clamp (8), and clamp (8) downside is opened connecting hole (81), and the output shaft of motor (7) penetrates connecting plate (6) and is connected with the sliding connection of clamp (8) connecting hole (81), and the output shaft of motor (7) is opened keyway, and the shape of clamp (8) connecting hole (81) is adapted with the keyway of motor (7) output shaft, and mounting block (4) front and rear sides are installed fixing mechanism.

2. The CNC machine tool having a clamp automatic function according to claim 1, characterized by, The utility model also includes protruding block (61), and connecting plate (6) upside is equipped with a plurality of protruding block (61), and protruding block (61) is evenly distributed around the center of connecting plate (6) annularly, and clamp (8) downside is opened first sliding slot (82) adapted with protruding block (61).

3. The CNC machine tool having a clamp automatic function according to claim 2, characterized by, The fixing mechanism includes a fixing frame (9) and an adjusting screw (10), and the mounting block (4) is symmetrically installed with the fixing frame (9) on the front and rear sides, the fixing frame (9) is threadedly connected with the adjusting screw (10), the clamp (8) is provided with a second sliding slot (83) on the side wall, and the adjusting screw (10) is inserted into the second sliding slot (83) and in contact with the clamp (8) during fixing.

4. The CNC machine tool having a clamp automatic function according to claim 3, wherein The lower side of the clamp (8) and the upper side of the mounting hole of the mounting block (4) are both arc-shaped.

5. The CNC machine tool having a clamp automatic function according to claim 4, wherein The motor (7) is a reduction motor (7).

6. The CNC machine tool having a clamp automatic function according to claim 5, wherein There is a certain distance between the lower side of the motor (7) and the mounting block (4).

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