Lengthened numerical control center

Abstract

A lengthened numerical control center comprises a workbench, a lengthened positioning plate is installed at one end, in the length direction, of the workbench, one end of the lengthened positioning plate is fixedly connected with the workbench through a locking bolt assembly, a driving base is installed at the other end of the lengthened positioning plate, and a positioning chuck is arranged on the side, facing the workbench, of the driving base; a guide groove is machined in the middle of the lengthened positioning plate in the length direction, a guide block is correspondingly arranged at the bottom of the driving base and is in sliding fit with the guide groove, and step parts are formed on the lower portions of the two sides of the driving base and locked and limited through limiting blocks. According to the structure of the numerical control center, the lengthened positioning plate is additionally arranged on the workbench and used for installing the driving base, the positioning chuck is arranged on the side portion of the driving base and used for clamping a workpiece for positioning, the machining range of the workbench in the length direction is effectively widened on the basis of original equipment, and the numerical control center is suitable for machining long workpieces; the effect that a small-specification numerical control center machines large-size workpieces is achieved at low cost, and the production cost is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to a lengthened numerical control center. BACKGROUND

[0002] Numerical control machining center is an automatic machine tool equipped with a program control system. The control system has a program specified by control codes or other symbolic instructions. After operation processing, the control system sends various control signals to control the machine tool to perform different actions, automatically processes parts according to the shape and size required by the drawing. Compared with traditional machining tools, numerical control machine tools have higher machining precision and efficiency and are widely used in modern machining industry. In the machining of screw rods, processes such as machining screw grooves and grinding outer circles are completed by numerical control centers. The specifications of numerical control centers are divided into small, medium and large types according to the size of the machining space. Small numerical control centers have low manufacturing costs and take up small equipment space, and are suitable for machining small-sized workpieces. When the length of the workpiece exceeds the predetermined limit, the current specification of the numerical control center is no longer applicable, and the entire equipment needs to be replaced, greatly increasing the production cost. SUMMARY

[0003] In view of the deficiencies in the above problems, the utility model provides a lengthened numerical control center.

[0004] To achieve the above purpose, the utility model provides a lengthened numerical control center, which comprises a workbench, a lengthened positioning plate is installed at one end of the workbench along the length direction, one end of the lengthened positioning plate is connected and fixed with the workbench through a locking bolt assembly, a driving seat is installed at the other end of the lengthened positioning plate, and a positioning chuck is arranged on one side of the driving seat facing the workbench.

[0005] A guide groove is processed in the middle of the lengthened positioning plate along the length direction, a guide block is arranged at the bottom of the driving seat corresponding to the guide groove to form a sliding fit, an integral step portion is formed at the lower part of both sides of the driving seat and locked and limited by a limiting block, an L-shaped limiting portion is formed at one end of the limiting block and the step portion is pressed tightly, and the middle of the limiting block is fixed with the lengthened positioning plate through a positioning bolt.

[0006] As a further improvement of the utility model, a T-shaped groove is processed in the upper part of the workbench along the length direction, the T-shaped grooves are evenly distributed along the width direction of the workbench, the locking bolt assembly comprises an adjusting bolt, the head of the adjusting bolt is placed in the T-shaped groove to form a sliding fit, the screw rod part of the adjusting bolt is locked and positioned by a locking nut after extending out of the T-shaped groove and passing through the lengthened positioning plate.

[0007] As a further improvement of the utility model, U-shaped grooves are processed on the front and rear sides of the lengthened positioning plate corresponding to the adjusting bolts, and the U-shaped grooves are evenly distributed along the length direction of the lengthened positioning plate.

[0008] As a further improvement of this utility model, the bottom of the end of the limiting block away from the L-shaped limiting part is provided with a protruding edge, and the protruding edge abuts against the surface of the extended positioning plate.

[0009] As a further improvement of this utility model, a through hole is machined in the middle of the limiting block for the positioning bolt to pass through, and a threaded hole is machined on the extended positioning plate to match the positioning bolt.

[0010] The beneficial effects of this utility model are as follows:

[0011] The structure of this CNC center extends the processing range of the worktable in the length direction by adding an extended positioning plate to the worktable for mounting the drive seat. The drive seat has a positioning chuck on the side for clamping and positioning the workpiece. Based on the original equipment, it effectively extends the processing range of the worktable in the length direction, making it suitable for processing long workpieces. It achieves the effect of processing large-sized workpieces with a small-sized CNC center at low cost, thereby reducing production costs. Attached Figure Description

[0012] Figure 1 This is a front view of an extended CNC center according to the present invention;

[0013] Figure 2 This is a top view of an extended CNC center according to the present invention;

[0014] Figure 3 This is a side view of an extended CNC center according to the present invention;

[0015] Figure 4 Top view of the extended positioning plate 2;

[0016] Figure 5 This is a cross-sectional view of the limiting block 5.

[0017] In the diagram: 1. Workbench; 11. T-slot; 2. Extended positioning plate; 21. U-slot; 22. Guide slot; 23. Threaded hole; 3. Locking bolt assembly; 31. Adjusting bolt; 32. Locking nut; 4. Drive seat; 41. Stepped part; 42. Positioning chuck; 43. Guide block; 5. Limiting block; 51. L-shaped limiting part; 52. Through hole; 53. Protruding edge; 6. Positioning bolt. Detailed Implementation

[0018] like Figures 1-3 As shown, the extended CNC center of this utility model includes a worktable 1, an extended positioning plate 2 is installed on one end of the worktable 1 along the length direction, one end of the extended positioning plate 2 is connected and fixed to the worktable 1 by a locking bolt assembly 3, and a drive seat 4 is installed on the other end of the extended positioning plate 2. A positioning chuck 42 is provided on the side of the drive seat 4 facing the worktable 1.

[0019] The upper portion of the workbench 1 is machined with T-shaped grooves 11 along the length direction, the T-shaped grooves 11 are uniformly distributed along the width direction of the workbench 1, the locking bolt assembly 3 comprises an adjusting bolt 31, the head of the adjusting bolt 31 is placed in the T-shaped groove 11 to form a sliding fit, the screw rod of the adjusting bolt 31 extends out of the T-shaped groove 11 and passes through the lengthened positioning plate 2 and is locked and positioned by a locking nut 32, the front and rear sides of the lengthened positioning plate 2 are correspondingly machined with U-shaped grooves 21 for the adjusting bolt 31 to pass through, the U-shaped grooves 21 are uniformly distributed along the length direction of the lengthened positioning plate 2 (see Figure 4 );

[0020] The middle portion of the lengthened positioning plate 2 is machined with a guide groove 22 along the length direction, the bottom of the driving seat 4 is provided with a guide block 43 corresponding to the guide groove 22 to form a sliding fit, the two sides of the driving seat 4 are formed with an integral step portion 41 at the lower portion and are locked and positioned by the limiting block 5, one end of the limiting block 5 is formed with an L-shaped limiting portion 51 and the step portion 41 is pressed tightly (see Figure 5 ), the middle portion of the limiting block 5 is fixed with the lengthened positioning plate 2 by the positioning bolt 6, the end of the limiting block 5 away from the L-shaped limiting portion 51 is provided with a convex edge 53 at the bottom, the convex edge 53 abuts against the surface of the lengthened positioning plate 2, the middle portion of the limiting block 5 is machined with a through hole 52 for the positioning bolt 6 to pass through, and the lengthened positioning plate 2 is machined with a threaded hole 23 matched with the positioning bolt 6.

[0021] The structure of the numerical control center is characterized in that a lengthened positioning plate is additionally arranged on the workbench to mount the driving seat, the side of the driving seat is provided with a positioning chuck to clamp and position a workpiece, the machining range of the workbench in the length direction is effectively extended on the basis of the original equipment, the numerical control center is suitable for machining a workpiece with a long length, the effect of machining a large-size workpiece by a small-scale numerical control center is realized at low cost, and the production cost is reduced.

[0022] In specific use, the utility model is described in combination with the drawings for the convenience of understanding the utility model:

[0023] In the original equipment structure, the driving seat is directly mounted on the workbench, when the length of a workpiece to be machined exceeds the standard machining length of the workbench, the workbench can be transformed by the above scheme; after the driving seat on the workbench is disassembled, the lengthened positioning plate is additionally arranged, one end of the lengthened positioning plate is fixed with the workbench by the locking bolt assembly, the adjusting bolt in the locking bolt assembly can slide along the T-shaped groove on the workbench, the mounting position of the lengthened positioning plate is adjusted according to the length of the workpiece, the screw rod of the adjusting bolt extends out of the T-shaped groove and passes through the U-shaped groove on the lengthened positioning plate and is locked and positioned by the locking nut, the driving seat is mounted at the end of the lengthened positioning plate away from the workbench, the bottom of the driving seat is provided with the guide block matched with the guide groove in the middle portion of the lengthened positioning plate to slide, which is used for adjusting the horizontal position, the step portion is arranged at the two sides of the driving seat and is tightly positioned by the limiting block, the side of the driving seat facing the workbench is provided with the positioning chuck to clamp the workpiece, after the transformation, the distance between the positioning chuck and the distal end of the workbench is greatly increased, and the workpiece with a long length is suitable for machining.

[0024] The above merely describes preferred embodiments of the present application and is not intended to limit the present application. For those skilled in the art, the present application can have various modifications and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. An extended CNC center, characterized by: The utility model provides a lengthening positioning plate and driving seat locking device, including workbench (1), workbench (1) one end along the length direction installs lengthening positioning plate (2), lengthening positioning plate (2) one end is connected with workbench (1) fixed through locking bolt assembly (3), lengthening positioning plate (2) other end installs drive seat (4), and the one side of drive seat (4) towards workbench (1) is equipped with positioning chuck (42). The middle part of the lengthening positioning plate (2) is processed with a guide groove (22) along the length direction, the bottom of the drive seat (4) is provided with a guide block (43) corresponding, and the guide block (43) is in sliding fit with the guide groove (22), the lower part of both sides of the drive seat (4) is formed with an integral step part (41) and is locked and limited by the limiting block (5), one end of the limiting block (5) is formed with an L-shaped limiting part (51) and the step part (41) is pressed tightly, and the middle part of the limiting block (5) is fixed with the lengthening positioning plate (2) through the positioning bolt (6).

2. A long CNC center according to claim 1, characterized in that: The upper part of the workbench (1) is processed with a T-shaped groove (11) along the length direction, the T-shaped groove (11) is uniformly distributed along the width direction of the workbench (1), the locking bolt assembly (3) comprises an adjusting bolt (31), the head part of the adjusting bolt (31) is placed in the T-shaped groove (11) to form a sliding fit, the screw rod part of the adjusting bolt (31) is stretched out of the T-shaped groove (11) and is locked and positioned through the locking nut (32) after penetrating through the lengthening positioning plate (2).

3. A long CNC center according to claim 2, characterized in that: The front and rear sides of the lengthening positioning plate (2) are processed with U-shaped grooves (21) corresponding, the U-shaped grooves (21) are uniformly distributed along the length direction of the lengthening positioning plate (2).

4. A long CNC center according to claim 1, characterized in that: The bottom of the end of the limiting block (5) away from the L-shaped limiting part (51) is provided with a convex edge (53), and the convex edge (53) abuts against the surface of the lengthening positioning plate (2).

5. A long CNC center according to claim 1, characterized in that: The middle part of the limiting block (5) is processed with a through hole (52) for the positioning bolt (6) to penetrate, and the lengthening positioning plate (2) is processed with a threaded hole (23) matched with the positioning bolt (6).

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