Automatic clamping mould for numerical control machine tool

Abstract

The automatic clamping mould for the numerical control machine tool comprises a second fixing plate, remaining grooves are formed in the four corners of the upper surface of the second fixing plate, rotating discs are rotationally installed in the remaining grooves of the second fixing plate, and connecting plates are fixed to the middles of the upper surfaces of the rotating discs. An output rod of the hydraulic cylinder faces the connecting plate and penetrates through the surfaces of the two sides of the middle of the connecting plate, a first moving plate is mounted on the output rod of the hydraulic cylinder, and limiting discs are rotationally mounted in the middle of the end, away from the first moving plate, of the upper surface of the second moving plate and in the middle of the end, away from the first moving plate, of the lower surface of the second moving plate. According to the automatic clamping mould, workpieces of different shapes and sizes can be clamped and limited conveniently, the application range of the automatic clamping mould during use can be guaranteed conveniently, the clamping mould does not need to be replaced when the workpieces of different shapes and sizes are clamped and limited, and the automatic clamping mould can be used conveniently.

Description

Technical Field

[0001] The utility model relates to the field of clamping jigs, in particular to an automatic clamping jig for numerically controlled machine tools. Background Art

[0002] CNC machine tools are automated machine tools equipped with a program control system. CNC machine tools can better solve the problems of complex, precise, small batch and multi-variety parts processing. They are flexible and high-efficiency automated machine tools, representing the development direction of modern machine tool control technology and are a typical mechatronics product.

[0003] A CNC milling machine is a type of CNC machine tool. It is an automatic processing equipment developed on the basis of a general milling machine. When a CNC milling machine is used, an automatic clamping jig is required to clamp and limit the workpiece to be milled. After the automatic clamping jig clamps and limits the workpiece, it is convenient for stable milling of the workpiece.

[0004] However, the existing automatic clamping jig is not conducive to clamping and limiting workpieces of different shapes and sizes, which will affect the applicable scope of the clamping jig. When clamping and limiting workpieces of different shapes and sizes, the clamping jig needs to be replaced, which is inconvenient to use.

[0005] Therefore, we propose an automatic clamping jig for CNC machine tools. Utility Model Content

[0006] The utility model aims to provide an automatic clamping jig for a numerically controlled machine tool to solve the problems raised in the above-mentioned background technology.

[0007] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0008] A kind of automatic clamping jig for CNC machine tools comprises a second fixed plate, four corners of the upper surface of the second fixed plate are provided with retention grooves, rotating disks are rotatably installed in the retention grooves on the upper plate of the second fixed plate, a connecting plate is fixed to the middle of the upper surface of the rotating disk, a hydraulic cylinder is installed on the side surface of the connecting plate away from the middle of the second fixed plate, the output rod of the hydraulic cylinder faces the connecting plate and passes through the two side surfaces of the middle of the connecting plate, the output rod of the hydraulic cylinder is installed with a first movable plate, the middle of the side surface of the first movable plate away from the connecting plate is fixed with the second movable plate, and a limit disk is rotatably installed on the middle of the upper surface of the second movable plate away from one end of the first movable plate and the middle of the lower surface away from one end of the first movable plate.

[0009] As a further solution of the utility model: the second movable plate is in a horizontal state, and a fixing rod is fixed to the middle part of the second movable plate away from one end of the first movable plate. The fixing rod is in a vertical state, and the fixing rod passes through the upper surface and the lower surface of the second movable plate away from the middle part of one end of the first movable plate.

[0010] By adopting the above technical solution: the second movable plate is provided, the fixing rod can be fixed and limited.

[0011] As a further solution of the utility model: the upper end of the fixed rod passes through the upper surface and the lower surface of the middle part of the upper limit plate of the second movable plate, the outer ring surface of the upper end of the fixed rod is rotatably connected with the middle part of the upper limit plate of the second movable plate through a bearing, and an annular pad is fixed on the outer side of the outer ring surface of the limit plate.

[0012] By adopting the above technical solution: the setting of the fixing rod is helpful to limit the limit plate, making it easier to use the limit plate.

[0013] As a further solution of the utility model: the lower end of the fixed rod passes through the upper surface and the lower surface of the middle part of the limiting plate on the lower side of the second movable plate, and the outer ring surface of the lower end of the fixed rod is rotatably connected with the middle part of the limiting plate on the lower side of the second movable plate through a bearing.

[0014] By adopting the above technical solution: the setting of the fixing rod makes it easy to install the second movable plate and the limiting plate.

[0015] As a further solution of the utility model: the second fixing plate is in a horizontal state, the four corners of the lower surface of the second fixing plate are fixed with fixing blocks, the fixing blocks are in a vertical state, and the first fixing plate is commonly fixed between the lower end surfaces of the fixing blocks.

[0016] By adopting the above technical solution: the setting of the fixing block can support and limit the second fixing plate.

[0017] As a further solution of the utility model: a rotating motor is installed at the four corners of the lower surface of the second fixed plate corresponding to the rotating disk, the output shaft of the rotating motor faces upward, and the output shaft of the rotating motor passes through the corresponding position on the second fixed plate and is installed between the middle part of the lower surface of the rotating disk.

[0018] By adopting the above technical solution: the provision of the rotating motor helps to drive the rotating disk to rotate, making it easier to use the rotating disk.

[0019] As a further solution of the utility model: the first fixing plate is in a horizontal state, and mounting plates are fixed on both end surfaces of the first fixing plate. The mounting plates are in a horizontal state, and bolts are threadedly inserted in the middle of both ends of the mounting plates along the vertical direction. The bolts are in a vertical state and penetrate the upper and lower surfaces of the corresponding positions on the mounting plate. The lower surface of the mounting plate is installed between the position where it needs to be used on the external CNC machine tool.

[0020] By adopting the above technical solution: the provision of the bolts helps to install and limit the mounting plate, making it easier to use the mounting plate.

[0021] Compared with the prior art, the beneficial effects of the utility model are:

[0022] 1. In the utility model, when the rotating disk rotates, it can drive the limit disk to rotate through the connecting plate, the hydraulic cylinder, the first movable plate and the second movable plate. The output rod of the hydraulic cylinder can clamp and limit the workpiece through the first movable plate, the second movable plate and the limit disk. When in use, it is helpful to clamp and limit workpieces of different shapes and sizes, which is convenient for ensuring the applicable scope of the automatic clamping jig when used. When clamping and limiting workpieces of different shapes and sizes, there is no need to replace the clamping jig, so that the automatic clamping jig can be used.

[0023] 2. In the utility model, the second fixed plate can fix and limit the rotating motor, which is convenient for the stable use of the rotating motor. The output shaft of the rotating motor can drive the rotating disk to rotate along the retention groove on the second fixed plate. The output rod of the hydraulic cylinder can clamp and limit the workpiece through the first movable plate, the second movable plate, the fixed rod, the limit plate and the annular pad, so as to facilitate stable milling of the workpiece. The angle and position of the limit plate and the annular pad can be conveniently adjusted, which is helpful to clamp and limit workpieces of different shapes and sizes. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 It is a structural schematic diagram of the utility model;

[0025] Figure 2 This is a schematic diagram of the structure of the second fixing plate of the utility model;

[0026] Figure 3 This is a schematic diagram of the structure of the rotating disk of the utility model;

[0027] Figure 4 This is a schematic diagram of the fixed block structure of the utility model.

[0028] In the figure: 1. mounting plate; 2. bolts; 3. first fixed plate; 4. second fixed plate; 5. fixed block; 6. rotating motor; 7. retention groove; 8. rotating disk; 9. connecting plate; 10. hydraulic cylinder; 11. first movable plate; 12. second movable plate; 13. fixing rod; 14. limiting disk; 15. annular pad. DETAILED DESCRIPTION

[0029] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0030] See also Figures 1 to 4 In the embodiment of the utility model, an automatic clamping jig for a CNC machine tool includes a second fixed plate 4, four corners of the upper surface of the second fixed plate 4 are provided with retention grooves 7, a rotating disk 8 is rotatably installed in the retention grooves 7 on the second fixed plate 4, a connecting plate 9 is fixed in the middle of the upper surface of the rotating disk 8, a hydraulic cylinder 10 is installed on the surface of the connecting plate 9 away from the middle of the second fixed plate 4, an output rod of the hydraulic cylinder 10 faces the connecting plate 9 and passes through the two side surfaces of the middle of the connecting plate 9, a first movable plate 11 is installed on the output rod of the hydraulic cylinder 10, a second movable plate 12 is fixed in the middle of the surface of the first movable plate 11 away from the connecting plate 9, and the upper surface of the second movable plate 12 is away from the second A limit plate 14 is rotatably installed at the middle part of one end of a movable plate 11 and the lower surface away from the middle part of one end of the first movable plate 11. When the rotating plate 8 rotates, the limit plate 14 can be driven to rotate through the connecting plate 9, the hydraulic cylinder 10, the first movable plate 11 and the second movable plate 12. The output rod of the hydraulic cylinder 10 can clamp and limit the workpiece through the first movable plate 11, the second movable plate 12 and the limit plate 14. When in use, it is helpful to clamp and limit workpieces of different shapes and sizes, so as to ensure the applicable scope of the automatic clamping jig when used. When clamping and limiting workpieces of different shapes and sizes, there is no need to replace the clamping jig, so as to facilitate the use of the automatic clamping jig.

[0031] Among them, the second movable plate 12 is in a horizontal state, and a fixing rod 13 is fixed to the middle part of the second movable plate 12 away from the end of the first movable plate 11, and the fixing rod 13 is in a vertical state. The fixing rod 13 passes through the upper surface and the lower surface of the middle part of the end of the second movable plate 12 away from the first movable plate 11, and the second movable plate 12 can fix and limit the fixing rod 13; the upper end of the fixing rod 13 passes through the upper surface and the lower surface of the middle part of the limiting disk 14 on the upper side of the second movable plate 12, and the upper end outer ring surface of the fixing rod 13 is rotatably connected with the middle part of the limiting disk 14 on the upper side of the second movable plate 12 through a bearing, and an annular pad 15 is fixed to the outer side of the outer ring surface of the limiting disk 14, and the fixing rod 13 helps to limit the limiting disk 14, which is convenient for the use of the limiting disk 14.

[0032] The lower end of the fixing rod 13 passes through the upper surface and the lower surface of the middle part of the limiting disk 14 on the lower side of the second movable plate 12, and the outer ring surface of the lower end of the fixing rod 13 is rotatably connected with the middle part of the limiting disk 14 on the lower side of the second movable plate 12 through a bearing, so that the fixing rod 13 is convenient for installation between the second movable plate 12 and the limiting disk 14; the second fixing plate 4 is in a horizontal state, and the four corners of the lower surface of the second fixing plate 4 are fixed with fixing blocks 5, and the fixing blocks 5 are in a vertical state, and the first fixing plate 3 is commonly fixed between the lower end surfaces of the fixing blocks 5, and the fixing blocks 5 can support and limit the second fixing plate 4.

[0033] A rotating motor 6 is installed at the four corners of the lower surface of the second fixed plate 4 corresponding to the rotating disk 8, and the output shaft of the rotating motor 6 faces upward. The output shaft of the rotating motor 6 passes through the corresponding position on the second fixed plate 4 and is installed between the middle part of the lower surface of the rotating disk 8, and the rotating motor 6 helps to drive the rotating disk 8 to rotate, which is convenient for the use of the rotating disk 8; the first fixed plate 3 is in a horizontal state, and the mounting plates 1 are fixed on the two end surfaces of the first fixed plate 3, and the mounting plate 1 is in a horizontal state. Bolts 2 are threadedly inserted in the middle part of both ends of the mounting plate 1 along the vertical direction. The bolts 2 are in a vertical state and pass through the upper and lower surfaces of the corresponding positions on the mounting plate 1. The lower surface of the mounting plate 1 is installed between the position where it needs to be used on an external CNC machine tool. The bolts 2 help to install and limit the mounting plate 1, which is convenient for the use of the mounting plate 1.

[0034] The working principle of the utility model is: during use, the lower surfaces of the mounting plate 1 and the first fixed plate 3 are made to correspond to the corresponding positions on the CNC machine tool that needs to be used by the outside world, and the mounting plate 1 is further installed with the corresponding positions on the CNC machine tool that needs to be used by the outside world through the bolts 2. The bolts 2 help to fix and limit the mounting plate 1, which is convenient for the stable use of the mounting plate 1. The mounting plate 1 can fix and limit the first fixed plate 3, which is convenient for the stable use of the first fixed plate 3. The first fixed plate 3 can support and limit the fixing block 5, which is convenient for the stable use of the fixing block 5. The fixing block 5 can support and limit the second fixed plate 4 and the various components assembled on the second fixed plate 4, which is convenient for the stable use of the second fixed plate 4 and the various components assembled on the second fixed plate 4.

[0035] The workpiece to be milled is placed in the middle of the upper surface of the second fixed plate 4, and the rotating motor 6 on the lower surface of the second fixed plate 4 is opened according to the shape of the workpiece. The second fixed plate 4 can fix and limit the rotating motor 6, so as to facilitate the stable use of the rotating motor 6. When the rotating motor 6 is opened, the output shaft of the rotating motor 6 can drive the rotating disk 8 to rotate along the retention groove 7 on the second fixed plate 4. When the rotating disk 8 rotates, it can drive the connecting plate 9 to rotate. When the connecting plate 9 rotates, it can drive the hydraulic cylinder 10 to rotate. When the hydraulic cylinder 10 rotates, it can drive the first movable plate 11 to rotate through the output rod. When the first movable plate 11 rotates, it can drive the limiting plate 14 and the annular pad 15 to rotate through the second movable plate 12 and the fixed rod 13, so as to rotate the limiting plate 14 and the annular pad 15 to an angle suitable for the shape and size of the workpiece.

[0036] Open the hydraulic cylinder 10 on the connecting plate 9, and the connecting plate 9 can fix and limit the hydraulic cylinder 10, which is helpful for the stable use of the hydraulic cylinder 10. When the hydraulic cylinder 10 is in the open state, the output rod of the hydraulic cylinder 10 can drive the first movable plate 11 to move toward the workpiece. When the first movable plate 11 moves, it can drive the limiting plate 14 and the annular pad 15 to move toward the workpiece through the second movable plate 12 and the fixed rod 13. The output rod of the hydraulic cylinder 10 can clamp and limit the workpiece through the first movable plate 11, the second movable plate 12, the fixed rod 13, the limiting plate 14 and the annular pad 15, so as to facilitate stable milling of the workpiece, and the angle and position of the limiting plate 14 and the annular pad 15 can be conveniently adjusted, which is helpful for clamping and limiting workpieces of different shapes and sizes.

[0037] During use, it helps to clamp and limit workpieces of different shapes and sizes, which is convenient for ensuring the applicable scope of the automatic clamping jig. When clamping and limiting workpieces of different shapes and sizes, there is no need to replace the clamping jig, so the automatic clamping jig can be used.

[0038] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. An automatic clamping jig for a numerically controlled machine tool, comprising a second fixing plate (4), characterized in that: Retention grooves (7) are provided at four corners of the upper surface of the second fixed plate (4), and a rotating disk (8) is rotatably installed in the retention grooves (7) on the second fixed plate (4). A connecting plate (9) is fixed in the middle of the upper surface of the rotating disk (8). A hydraulic cylinder (10) is installed on the surface of the connecting plate (9) away from the middle of the second fixed plate (4). The output rod of the hydraulic cylinder (10) faces the connecting plate (9) and penetrates the two side surfaces of the middle of the connecting plate (9). The output rod of the hydraulic cylinder (10) is installed with a first movable plate (11). A second movable plate (12) is fixed in the middle of the surface of the first movable plate (11) away from the connecting plate (9), and a limiting disk (14) is rotatably installed on the middle of the upper surface of the second movable plate (12) away from one end of the first movable plate (11) and the middle of the lower surface away from one end of the first movable plate (11).

2. The automatic clamping jig for a CNC machine tool according to claim 1, characterized in that: The second movable plate (12) is in a horizontal state, and a fixing rod (13) is fixed to the middle of one end of the second movable plate (12) away from the first movable plate (11). The fixing rod (13) is in a vertical state, and the fixing rod (13) passes through the upper surface and the lower surface of the middle of one end of the second movable plate (12) away from the first movable plate (11).

3. The automatic clamping jig for a CNC machine tool according to claim 2, characterized in that: The upper end of the fixed rod (13) passes through the upper surface and the lower surface of the middle part of the limiting plate (14) on the upper side of the second movable plate (12); the outer ring surface of the upper end of the fixed rod (13) is rotatably connected to the middle part of the limiting plate (14) on the upper side of the second movable plate (12) through a bearing; and an annular pad (15) is fixedly sleeved on the outer side of the outer ring surface of the limiting plate (14).

4. The automatic clamping jig for a CNC machine tool according to claim 3, characterized in that: The lower end of the fixed rod (13) passes through the upper surface and the lower surface of the middle part of the limiting plate (14) at the lower side of the second movable plate (12), and the outer ring surface of the lower end of the fixed rod (13) is rotatably connected to the middle part of the limiting plate (14) at the lower side of the second movable plate (12) through a bearing.

5. The automatic clamping jig for a CNC machine tool according to claim 4, characterized in that: The second fixing plate (4) is in a horizontal state, and fixing blocks (5) are fixed at four corners of the lower surface of the second fixing plate (4). The fixing blocks (5) are in a vertical state, and the first fixing plate (3) is fixed between the lower end surfaces of the fixing blocks (5).

6. The automatic clamping jig for a CNC machine tool according to claim 5, characterized in that: A rotating motor (6) is installed at each of the four corners of the lower surface of the second fixed plate (4) corresponding to the rotating disk (8), with the output shaft of the rotating motor (6) facing upwards. The output shaft of the rotating motor (6) passes through a corresponding position on the second fixed plate (4) and is installed between the middle of the lower surface of the rotating disk (8).

7. The automatic clamping jig for a CNC machine tool according to claim 6, characterized in that: The first fixing plate (3) is in a horizontal state, and mounting plates (1) are fixed to both end surfaces of the first fixing plate (3). The mounting plate (1) is in a horizontal state, and bolts (2) are threadedly inserted in the middle of both ends of the mounting plate (1) along the vertical direction. The bolts (2) are in a vertical state and penetrate the upper and lower surfaces at corresponding positions on the mounting plate (1). The lower surface of the mounting plate (1) is installed between the position required to be used on an external CNC machine tool.

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