CN209140391U - A clamping device for a CNC vertical milling machine - Google Patents

Abstract

The utility model discloses a clamping device of a numerical control vertical milling machine, which relates to the technical field of milling machines, and comprises a clamping plate, side plates arranged at the two ends of the clamping plate and a connecting plate connected with the two sides of a processing table, wherein the outer side surface of the connecting plate is formed with a plurality of fixed stoppers which are in the shape of an upper surface inclined plane and a lower surface plane, and the inclined lower end of the upper surface inclined plane faces outwards; the plane of activity stopper upper surface and the plane contact of the lower surface of fixed stopper, then the activity stopper can not the rebound, carries on spacingly to it to make splint press firmly to the work piece, the utility model discloses simple structure to it is extremely convenient to use, need not carry out operations such as fastening bolt, directly pushes down can accomplish splint and to the operation of pressing down of work piece, and it is also very convenient to dismantle, has improved the operating efficiency, uses manpower sparingly, also can use to the work piece of different thickness or height, and application scope is wide.

Description

A clamping device for a CNC vertical milling machine

technical field

The utility model relates to the technical field of milling machines, in particular to a clamping device of a numerically controlled vertical milling machine.

Background technique

A milling machine is a machine tool that uses a milling cutter to mill a tensile specimen of a plate. It can mill planes, grooves, gear teeth, threads, spline shafts and more complex profiles. The vertical milling machine is widely used in milling machines, and its processing technology is quite mature. Among them, the CNC vertical milling machine controls the machine tool through the program and the programmable logic controller loop to process the plate tensile sample.

The cutter head of the existing CNC vertical milling machine mainly adopts the disc milling cutter, and the fixture mainly adopts the bench vise. The clamping method of the bench vise is vertical clamping, which can only mill the plane, and cannot stretch the sample from the left and right sides of the plate. Double-sided milling has a relatively single function and does not have the shoulder opening function, and the dedicated CNC shoulder milling machine is too expensive and has a poor cost performance.

A clamping device for a numerically controlled vertical milling machine is disclosed in a Chinese patent with an authorized announcement number of CN202292185U. The clamping method of the clamping device is a horizontal clamping, and a cylindrical milling cutter is used together to make the cylindrical milling cutter Milling from the left and right sides of the plate tensile sample placed on the working table of the CNC vertical milling machine, so that the CNC vertical milling machine has the shoulder opening function and is cost-effective; the clamping device includes: at least two clamping plates, the clamping plates Including a left fixing clip, a beam and a right fixing clip, the left fixing clip is fixed on the side of the worktable of the CNC vertical milling machine where the tensile specimen of the plate is placed, and the right fixing clip is fixed on the CNC vertical milling machine. On the other side of the workbench where the plate tensile specimen is placed, the beam is pressed against the plate tensile specimen.

However, the above technical solution still has the following problems: when installing the splint in the above technical solution, it is necessary to use bolts for installation, so not only is the installation not very convenient, but it can only be used for workpieces with a fixed thickness or height, and the scope of application is small. If you need to process workpieces of different thickness or height, you need to prepare a clamping device suitable for its use, which also brings a cost burden to the enterprise.

Utility model content

Aiming at the deficiencies of the prior art, the utility model provides a clamping device for a numerically controlled vertical milling machine, which solves the problem that when installing the splint, it is necessary to use bolts for installation, so not only is the installation inconvenient, but also can only be used for a fixed thickness It has a small scope of application. If you need to process workpieces of different thickness or height, you need to prepare a clamping device suitable for its use, which also brings a cost burden to the enterprise.

To achieve the above object, the utility model provides the following technical solutions:

A clamping device for a numerically controlled vertical milling machine includes a clamping plate and side plates arranged at both ends of the clamping plate, and also includes a connecting plate connected to both sides of a processing table. The block is in the shape of the upper surface slope and the lower surface plane, and the sloped lower end of the upper surface slope faces the outside. It is in the shape of an upper surface plane and a lower surface slope, and the sloped upper end of the lower surface slope faces one side of the connecting plate, and the movable limit block is connected to the side plate through an elastic piece.

As a further solution of the present invention, the elastic member is a coil spring, the coil spring is sleeved on the movable rod, and the two ends of the coil spring are respectively connected with the movable limit block and the side plate.

As a further solution of the present invention, the other end of the movable rod is connected with a handle.

As a further solution of the present invention, the splint is composed of flat plates at both ends and a stepped plate that protrudes upward in the middle.

As a further solution of the present invention, the width of the step plate is consistent with the width of the workpiece.

As a further solution of the present invention, the outer side of the connecting plate is fixedly connected with a plate body, the inner surface of the plate body is fixedly connected with a pair of fixed plates arranged in parallel, and a pair of fixed plates is formed to accommodate the side plate sliding through. past the guide groove.

As a further solution of the present invention, a plurality of the fixed limit blocks are vertically arranged at equal intervals.

Compared with the prior art, the beneficial effect of the present utility model is: after placing the splint on the upper surface of the workpiece, it moves down directly, and stops when the splint is closely attached to the workpiece, and the plane of the upper surface of the movable limit block and the fixed limit If the lower surface of the block is in contact with the plane, the movable limit block cannot move upward, and it is limited, so that the clamping plate can press the workpiece firmly. , the pressing operation of the splint on the workpiece can be completed directly by pressing down, and the disassembly is also very convenient, which improves the operation efficiency and saves manpower. It can also be used for workpieces of different thickness or height, and has a wide range of applications.

Description of drawings

1 is a schematic front view of the first embodiment;

2 is a schematic front view of a second embodiment;

FIG. 3 is a schematic front view of the third embodiment.

Detailed ways

The technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are a part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present invention.

Example 1:

As shown in FIG. 1, a clamping device for a CNC vertical milling machine includes a clamping plate 3 and side plates 4 arranged at both ends of the clamping plate 3, and also includes a connecting plate 5 connected to both sides of the processing table 1. The outer side of the connecting plate 5 is A number of fixed limit blocks 6 are formed on the side surface, and several of the fixed limit blocks 6 are vertically arranged at equal intervals. The fixed limit blocks 6 are in the shape of the upper surface inclined plane and the lower surface plane, and the inclined lower end of the upper surface inclined plane faces the outside, so A movable rod 8 passes through the side plate 4, and one end of the movable rod 8 facing the connecting plate 5 is connected with a movable limit block 7. The upper end faces the side of the connecting plate 5, and the movable limit block 7 is connected to the side plate 4 through an elastic member; the clamping plate 3 is placed on the upper surface of the workpiece 2 and then moves down directly. The shape of the plane, the movable limit block 7 is in the shape of the slope of the upper surface plane and the lower surface, so when the lower surface of the movable limit block 7 presses the upper surface of the fixed limit block 6 downward, the movable limit block 7 Affected by the component force moving toward the outside, the movable limit block 7 moves toward the outside and crosses one of the fixed limit blocks 6. When the movable limit block 7 is located in the gap formed by the two adjacent fixed limit blocks 6, due to the elastic The function resets, so that the movable limit block 7 is located in the gap formed by the two fixed limit blocks 6, and stops when the splint 3 is in close contact with the workpiece 2. At this time, the plane of the upper surface of the movable limit block 7 and the fixed limit If the lower surface of the position block 6 is in contact with the plane, the movable limit block 7 cannot move upward, and it is limited, so that the clamping plate 3 presses the workpiece 2 firmly. When the clamping plate 3 needs to be removed, the movable rod 8 is pulled out. Therefore, the movable limit block 7 is separated from the gap formed by the two fixed limit blocks 6, and the splint 3 can be removed. The utility model has a simple structure and is extremely convenient to use. Pressing can complete the pressing operation of the splint 3 on the workpiece 2, and the disassembly is also very convenient, which improves the operation efficiency and saves manpower. It can also be used for workpieces of different thicknesses or heights, and has a wide range of applications.

Preferably, the elastic member is a coil spring 9, the coil spring 9 is sleeved on the movable rod 8, and the two ends of the coil spring 9 are respectively connected with the movable limit block 7 and the side plate 4, the cost of the coil spring 9 is low, And has good elasticity and compression.

Preferably, the other end of the movable rod 8 is connected with a handle 10, which is convenient for workers to use.

Example 2:

On the basis of Embodiment 1, as shown in FIG. 2 , the clamping plate 3 is composed of flat plates 31 at both ends and a stepped plate 32 protruding upward in the middle. The width of the stepped plate 32 is consistent with the width of the workpiece 2; The workpiece 2 is clamped into the groove formed by the step plate 32 to limit the left and right directions of the workpiece 2 to further improve the stability of the workpiece 2 .

Example 3:

On the basis of Embodiment 1, as shown in FIG. 3 , a plate body 11 is fixedly connected to the outer side of the connecting plate 5 , and a pair of parallel fixing plates 12 are fixedly connected to the inner surface of the plate body 11 . A guide groove is formed between the plates 12 for accommodating the side plate 4 to slide through; when the side plate 4 moves down, the side plate 4 slides in the guide groove, which improves the sliding stability of the clamping plate 3 during the downward pressing process.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner" and "outer" The orientation or positional relationship indicated by etc. is based on the orientation or positional relationship shown in the accompanying drawings, which is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the referred device or element must have a specific orientation, with a specific orientation. Therefore, it should not be construed as a limitation on the present invention. Furthermore, the terms "first", "second", and "third" are used for descriptive purposes only and should not be construed to indicate or imply relative importance.

In the description of the present invention, unless otherwise expressly specified and limited, the terms "installed", "connected" and "connected" should be understood in a broad sense, for example, it may be a fixed connection, a detachable connection, or an integrated It can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, and it can be the internal communication between the two components. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood in specific situations.

Claims (7)

1. a clamping device of a numerically controlled vertical milling machine, comprising a splint (3) and a side plate (4) arranged at both ends of the splint (3), it is characterized in that, also comprises the connection that is connected on both sides of the processing table (1) The plate (5), the outer side of the connecting plate (5) is formed with a plurality of fixed limit blocks (6), the fixed limit blocks (6) are in the shape of the upper surface slope and the lower surface plane, and the sloped lower end of the upper surface slope faces the outside , a movable rod (8) passes through the side plate (4), and an end of the movable rod (8) facing the connecting plate (5) is connected with a movable limit block (7), and the movable limit block (7) is upward The surface plane has the shape of the lower surface slope, and the sloped upper end of the lower surface slope faces one side of the connecting plate (5), and the movable limit block (7) is connected to the side plate (4) through an elastic member. 2. The clamping device of a CNC vertical milling machine according to claim 1, wherein the elastic member is a coil spring (9), and the coil spring (9) is sleeved on the movable rod (8), and the coil spring Both ends of the spring (9) are respectively connected with the movable limit block (7) and the side plate (4). 3. The clamping device of a numerically controlled vertical milling machine according to claim 1, wherein the other end of the movable rod (8) is connected with a handle (10). 4. The clamping device of the CNC vertical milling machine according to any one of claims 1-3, wherein the clamping plate (3) consists of flat plates (31) at both ends and a stepped plate (32) that protrudes upward in the middle )composition. 5 . The clamping device of a numerically controlled vertical milling machine according to claim 4 , wherein the width of the step plate ( 32 ) is consistent with the width of the workpiece ( 2 ). 6 . 6. The clamping device for a CNC vertical milling machine according to any one of claims 1-3, wherein the outer side surface of the connecting plate (5) is fixedly connected with a plate body (11), and the plate body (11) A pair of fixed plates (12) arranged in parallel are fixedly connected to the inner surface of the pair of fixed plates (12), and a guide groove for accommodating the side plate (4) to slide through is formed between the pair of fixed plates (12). 7 . The clamping device of a numerically controlled vertical milling machine according to claim 1 , wherein a plurality of the fixed limit blocks ( 6 ) are vertically arranged at equal intervals. 8 .