Automatic locking device in CNC machine

Abstract

The utility model provides an automatic locking device in a CNC machine, which comprises a mounting plate, one side of the mounting plate is provided with a mounting frame fixedly connected with the interior of the CNC machine, one end of the mounting frame is fixedly connected with a connecting plate through a fastener, one side of the mounting plate is fixedly provided with a connecting block, the connecting plate is provided with a connecting groove, and the connecting block is fixedly connected with the connecting groove. One end of the connecting block penetrates through the connecting groove, a locking groove is formed in the top side of the connecting block, and a locking block matched with the locking groove in size is slidably connected to one side, corresponding to the locking groove, of the connecting plate; and a locking mechanism is mounted on one side of the mounting plate. Through cooperation of the first air cylinder and the locking block, the connecting block can be fixed after the connecting block passes through the connecting groove, so that the mounting plate and the locking mechanism are fixed, the locking mechanism is prevented from being fixed through fastening pieces such as bolts, and convenience is improved when the locking mechanism is disassembled and assembled.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of lock device, more specifically, it is especially related to CNC machine automatic lock device. BACKGROUND

[0002] At present, in the field of CNC machining, the design of clamping fixture, especially when processing small products, due to the small product and insufficient space for mechanism design, in order to better utilize the space and press the product, the screw locking block or other fixing mechanism is used to replace the conventional automatic driving structure such as cylinder, oil cylinder and motor. Because the screw locking has the advantages of small space occupation and reliable locking, in actual production, the screw locking device is usually installed in the CNC for installing fastening screw. In the CNC machining process, when the locking device is not frequently used, the locking device needs to be removed from the CNC to reduce the occupation of the internal space of the machine body, and the existing locking device is usually fixed in the CNC by bolts and nuts. When the locking device is disassembled and assembled, the operation is more complicated. Therefore, in view of the above, the existing structure and defects are improved, and the CNC machine automatic locking device is provided, so as to achieve the purpose of higher practical value. CONTENT OF THE UTILITY MODEL

[0003] In order to solve the above technical problems, the utility model provides CNC machine automatic locking device, which is achieved by the following specific technical means:

[0004] The CNC machine automatic locking device comprises an installation plate, a mounting frame fixedly connected with the inside of the CNC is installed on one side of the installation plate, a connecting plate is fixedly connected with one end of the mounting frame through fasteners, a connecting block is fixedly installed on one side of the installation plate, a connecting groove is arranged on the connecting plate, one end of the connecting block penetrates through the connecting groove, a lock groove is arranged on the top side of the connecting block, and a lock block matched with the size of the lock groove is slidably connected on the side of the connecting block corresponding to the lock groove.

[0005] Further, the sliding block is fixedly installed on one side of the lock block, and the sliding groove slidably connected with the sliding block is arranged on the connecting plate.

[0006] Further, the fixed frame is fixedly installed on the top side of the connecting plate, the cylinder one is fixedly installed on the top side of the fixed frame, and the output end of the cylinder one penetrates through the fixed frame and is fixedly connected with the top side of the lock block.

[0007] Further, the locking mechanism comprises a moving table, four groups of connecting rods are fixedly installed on the top side of the moving table, the outer sides of the four groups of connecting rods are slidably connected with a connecting table, a protection shell is fixedly installed on the top side of the connecting table, a reduction motor fixedly connected with the top side of the connecting table is installed on the inner side of the protection shell, and a chuck is connected to the output end of the reduction motor and passes through the connecting table and the moving table.

[0008] Further, a limiting seat is arranged on the top end of the connecting rod, springs are arranged on the outer sides of the connecting rods, and the upper and lower ends of the springs are respectively abutted against the bottom side of the limiting seat and the top side of the connecting table.

[0009] Further, a guide rail is fixedly installed on one side of the mounting plate, a sliding seat is slidably connected with the guide rail, a connecting frame is fixedly installed on one side of the sliding seat, and the connecting frame is fixedly connected with the moving table through fasteners.

[0010] Further, a fixed plate is fixedly installed on one side of the mounting plate, a second air cylinder is fixedly installed on the top side of the fixed plate, and the output end of the second air cylinder passes through the fixed plate and is fixedly connected with the top side of the connecting frame through fasteners.

[0011] Compared with the prior art, the utility model has the advantages of the following:

[0012] 1. The utility model discloses a connecting groove and a locking block can be fixed after the connecting block passes through the connecting groove, so that the mounting plate and the locking mechanism can be fixed, avoiding the use of bolts and other fasteners to fix the locking mechanism, and increasing the convenience when disassembling the locking mechanism.

[0013] 2. The utility model discloses a spring and a connecting rod can buffer the impact force generated when the chuck and the workpiece contact, avoid the chuck from being damaged due to instantaneous high load, and prevent the workpiece surface from being scratched and deformed due to excessive impact force, increasing the practicability of the product. DRAWINGS

[0014] Figure 1 It is the whole structure schematic of the utility model Figure One .

[0015] Figure 2 It is the whole structure schematic of the utility model Figure Two .

[0016] Figure 3 It is the locking groove structure schematic of the utility model.

[0017] Figure 4 It is the locking block structure schematic of the utility model.

[0018] In the drawings, the correspondence between the component names and the drawing numbers is as follows:

[0019] 1, mounting plate; 2, mounting frame; 3, connecting plate; 4, connecting block; 5, lock groove; 6, lock block; 7, sliding block; 8, fixing frame; 9, cylinder one; 10, fixed plate; 11, moving table; 12, connecting table; 13, protective shell; 14, speed reducer motor; 15, bit; 16, spring; 17, guide rail; 18, sliding seat; 19, connecting frame; 20, cylinder two. DETAILED DESCRIPTION

[0020] The embodiments of the present application will be further described in detail below with reference to the drawings and examples. The following examples are used to illustrate the present application, but cannot be used to limit the scope of the present application.

[0021] In the description of the present application, unless otherwise specified, the meaning of "a plurality of" is two or more; the terms "upper", "lower", "left", "right", "inner", "outer", "front end", "rear end", "head", "tail" and the like indicate the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application. In addition, the terms "first", "second", "third" and the like are only for the purpose of description, and cannot be understood as indicating or implying relative importance.

[0022] In the description of the present application, it should be noted that, unless otherwise specified and limited, the terms "connected", "connected" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0023] Embodiment:

[0024] As shown in the accompanying Figure 1 to the accompanying Figure 4 as shown:

[0025] The utility model provides a CNC machine automatic lock device, including mounting plate 1, the one side of mounting plate 1 is installed with the mounting frame 2 of CNC internal fixed connection, the one end of mounting frame 2 is fixedly connected with the connecting plate 3 through fastener, the one side of mounting plate 1 is fixedly installed with the connecting block 4, be equipped with the connecting groove on connecting plate 3, the one end of connecting block 4 passes through connecting groove, the top side of connecting block 4 is equipped with lock groove 5, the one side of connecting plate 3 is slidably connected with the lock block 6 of the size of lock groove 5 corresponding lock groove 5, and one side of lock block 6 is provided with drive slope, and one side of lock groove 5 is provided with the contact surface parallel with drive slope, so as to facilitate when lock block 6 is down, can be extruded contact surface through drive slope, make mounting plate 1 and connecting plate 3 close, to guarantee the stability of installation, the one side of mounting plate 1 is installed with lock mechanism.

[0026] Wherein, the one side of lock block 6 is fixedly installed with sliding block 7, the connecting plate 3 is equipped with the sliding slot of sliding connection with sliding block 7, increases the stability when lock block 6 moves.

[0027] Wherein, the top side of connecting plate 3 is fixedly installed with fixed frame 8, the top side of fixed frame 8 is fixedly installed with cylinder one 9, the output end of cylinder one 9 passes through fixed frame 8 and is fixedly connected with the top side of lock block 6, can realize the automatic movement of lock block 6.

[0028] Wherein, the lock mechanism includes moving platform 11, the top side of moving platform 11 is fixedly installed with four groups of connecting rods, the outside of four groups of connecting rods is slidably connected with connecting table 12, the top side of connecting table 12 is fixedly installed with protective shell 13, the inside of protective shell 13 is installed with the reduction motor 14 of the top side fixed connection of connecting table 12, can protect lock mechanism, the output end of reduction motor 14 passes through connecting table 12 and moving platform 11 and is connected with batch head 15.

[0029] Wherein, the top end of connecting rod is equipped with limit seat, the outside of connecting rod is equipped with spring 16, the upper and lower ends of spring 16 are respectively abutted with the bottom side of limit seat and the top side of connecting table 12, can realize the impact force produced when batch head 15 and workpiece contact is buffered, avoids batch head 15 and damages due to instantaneous high load, also prevents the problem such as scratch, deformation of workpiece surface due to excessive impact force.

[0030] Wherein, the one side of mounting plate 1 is fixedly installed with guide rail 17, the sliding seat 18 is slidably connected on the guide rail 17, the one side of sliding seat 18 is fixedly installed with connecting frame 19, the one side of connecting frame 19 is fixedly connected with moving platform 11 through fastener, can realize the flexible movement of moving platform 11.

[0031] The side of the mounting plate 1 is fixedly provided with a fixed plate 10, the top side of the fixed plate 10 is fixedly provided with a cylinder two 20, the output end of the cylinder two 20 passes through the fixed plate 10 and is fixedly connected with the top side of the connecting frame 19 through fasteners, so that the automatic movement of the connecting frame 19 can be realized.

[0032] The working principle of the embodiment is as follows: in use, first, the electric element in the device is externally connected with a power source and a control unit; when the mounting plate 1 and the locking mechanism need to be disassembled, the cylinder one 9 is started to drive the locking block 6 to move away from the locking groove 5, at this time, the locking mechanism and the mounting plate 1 can be directly moved to drive the connecting block 4 to move away from the connecting groove and take out the locking mechanism and the mounting plate 1 from the inside of the CNC body, thereby completing the disassembly of the mounting plate 1 and the locking mechanism; when the mounting plate 1 and the locking mechanism need to be installed, the connecting block 4 is inserted into the connecting groove, the cylinder one 9 is started to drive the locking block 6 to move into the locking groove 5, and the installation is completed.

[0033] The embodiments of the utility model are given for the purpose of example and description, and are not exhaustive or limit the utility model to the disclosed forms. Many modifications and changes are obvious to those skilled in the art. The embodiments are selected and described in order to better illustrate the principles and practical application of the utility model, and enable those skilled in the art to understand the utility model so as to design various embodiments with various modifications suitable for specific purposes.

Claims

1. A CNC machine automatic locking device, comprising a mounting plate (1), a mounting frame (2) fixedly connected with the inside of the CNC is installed on one side of the mounting plate (1), a connecting plate (3) is fixedly connected on one end of the mounting frame (2) through a fastener, characterized in that: One side of the mounting plate (1) is fixedly provided with a connecting block (4), the connecting plate (3) is provided with a connecting groove, one end of the connecting block (4) penetrates through the connecting groove, the top side of the connecting block (4) is provided with a lock groove (5), and the side of the connecting plate (3) is slidably connected with a lock block (6) matched with the lock groove (5) in size corresponding to the lock groove (5); The side of the mounting plate (1) is provided with a locking mechanism.

2. The automatic locking device in CNC machine according to claim 1, wherein: One side of the lock block (6) is fixedly provided with a sliding block (7), and the connecting plate (3) is provided with a sliding groove slidably connected with the sliding block (7).

3. The automatic locking device in CNC machine according to claim 1, wherein: The top side of the connecting plate (3) is fixedly provided with a fixing frame (8), the top side of the fixing frame (8) is fixedly provided with a cylinder (9), and the output end of the cylinder (9) penetrates through the fixing frame (8) and is fixedly connected with the top side of the lock block (6).

4. The automatic locking device in CNC machine according to claim 1, wherein: The locking mechanism comprises a moving table (11), four groups of connecting rods are fixedly installed on the top side of the moving table (11), the outer sides of the four groups of connecting rods are slidably connected with a connecting table (12), the top side of the connecting table (12) is fixedly provided with a protective shell (13), the inner side of the protective shell (13) is provided with a speed reducer motor (14) fixedly connected with the top side of the connecting table (12), and the output end of the speed reducer motor (14) penetrates through the connecting table (12) and the moving table (11) and is connected with a chuck (15).

5. The automatic locking device in CNC machine according to claim 4, wherein: The top end of the connecting rod is provided with a limiting seat, the outer side of the connecting rod is provided with a spring (16), and the upper and lower ends of the spring (16) are respectively abutted with the bottom side of the limiting seat and the top side of the connecting table (12).

6. The automatic locking device in CNC machine according to claim 4, wherein: One side of the mounting plate (1) is fixedly provided with a guide rail (17), the guide rail (17) is slidably connected with a sliding seat (18), one side of the sliding seat (18) is fixedly provided with a connecting frame (19), and the connecting frame (19) is fixedly connected with the moving table (11) through fasteners.

7. The automatic locking device in CNC machine according to claim 6, wherein: One side of the mounting plate (1) is fixedly provided with a fixed plate (10), the top side of the fixed plate (10) is fixedly provided with a cylinder (20), and the output end of the cylinder (20) penetrates through the fixed plate (10) and is fixedly connected with the top side of the connecting frame (19) through fasteners.

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