Telescopic shield for vertical milling machine

Abstract

A telescopic protective cover for a vertical milling machine is characterized by comprising a workbench, the workbench is arranged on a base, a storage frame is arranged on the base, a first cover shell is arranged in the storage frame, a second cover shell is arranged in the first cover shell, a connecting block is arranged on the second cover shell, a sliding groove is formed in the base, a two-way lead screw is arranged in the sliding groove, and the two-way lead screw is arranged on the base. A motor is arranged on the two-way lead screw, and a sliding block is arranged in the sliding groove; an external controller controls a motor to operate, drives a two-way lead screw to rotate and drives two sliding blocks to move oppositely along sliding grooves, the sliding blocks drive connecting blocks and a second housing to move towards the center of a workbench, the second housing drives a first housing to move outwards from the interiors of storage frames after moving in place, and when the housings in the two storage frames completely stretch out, the second housing is driven to move outwards from the interiors of the storage frames. The two sliding blocks make contact, the two second housings are tightly attached, the workbench is completely covered, the structure is simple, operation is convenient, and overhauling and replacing are convenient.

Description

Technical Field

[0001] The utility model relates to the technical field of milling machine guards, in particular to a telescopic guard for a vertical milling machine. Background Art

[0002] The main part of the vertical milling machine is mainly composed of the base, column, saddle, worktable, spindle box and other components. The five major parts of the main body are all made of high-strength high-quality castings and resin sand molding, with stable structure, ensuring that the whole machine has good rigidity and precision retention. The three-axis guide pairs of the vertical milling machine are all made of high-frequency quenching and plastic-coated guide combinations to ensure the operation accuracy of the machine tool and reduce friction resistance and loss. The three-axis transmission system is composed of precision ball screws and servo system motors, and is equipped with an automatic lubrication device. When processing parts, the vertical milling machine will produce debris and cutting fluid. These debris and cutting fluid are easy to splash around and fall onto the precision components in the slide rails under the worktable (such as the screw), causing damage to the precision components and reducing the processing performance, thereby affecting the service life of the milling machine and the accuracy of the processed products. Therefore, developing a vertical milling machine that can prevent debris such as debris and cutting fluid from falling onto the precision components in the slide rails of the milling machine and affecting its normal operation is a goal that the industry has always pursued;

[0003] There is a telescopic shield CN210548386U for a vertical milling machine, which includes a transverse shield arranged at both ends of a transverse slide rail, wherein one end of the transverse shield close to the workbench is connected to the end of the workbench, and the other end of the transverse shield away from the workbench is connected to the end of the transverse slide rail; wherein a chip guard plate is provided on the first shield close to the workbench and away from the workbench, and a shield plate extending toward the workbench is provided on the top of the chip guard plate, and side baffles extend outward on both sides of the shield plate, and collection boxes are provided on both sides of the width direction of the first shield, and the collection box is flush with the edge position of the first shield. The purpose of the utility model is to overcome the shortcomings of the existing vertical milling machine that debris and other debris generated during processing are easy to fall onto the milling machine slide rail and affect its normal operation, and can prevent the debris generated during processing of the milling machine from falling into the milling machine slide rail, and avoid the influence of the debris on the sliding operation of the milling machine;

[0004] However, the device has a complex structure, is inconvenient to operate, and is also inconvenient to repair and replace. To solve the above problems, a telescopic cover for a vertical milling machine is proposed. Utility Model Content

[0005] According to the above existing technical problems, the utility model provides a telescopic cover for a vertical milling machine, which is characterized by comprising a workbench, a base, a storage frame, a first cover shell, a second cover shell, a connecting block, a slider, a bidirectional screw rod, a slide groove, and a motor. The workbench is arranged on the base, the storage frame is arranged on the base, the first cover shell is arranged in the storage frame, the second cover shell is arranged in the first cover shell, the connecting block is arranged on the second cover shell, the slide groove is arranged on the base, the bidirectional screw rod is arranged in the slide groove, the motor is arranged on the bidirectional screw rod, and the slider is arranged in the slide groove;

[0006] Further, the bottom of the storage frame is located at the same horizontal line as the workbench, the storage frame has a cavity inside, there are two storage frames, which are respectively located on both sides of the workbench, the first cover shell contacts the inner wall of the cavity of the storage frame, the first cover shell has a cavity inside, and the second cover shell contacts the inner wall of the cavity of the first cover shell;

[0007] Furthermore, the slide groove is located at the rear side of the storage frame, the slide groove is connected to the bidirectional screw rod through a bearing, the end of the bidirectional screw rod is connected to the output end of the motor, the motor is located on the base, and the base is connected to the external controller;

[0008] Furthermore, the slider is fixedly connected to the connecting block, the connecting block is fixedly connected to the second cover shell, the slider has a circular opening, the opening of the slider has a thread, the slider is connected to the bidirectional screw rod through the thread, and there are two sliders, which are symmetrically arranged in the slide groove.

[0009] Beneficial effects of the utility model:

[0010] The utility model controls the operation of the motor through an external controller, drives the bidirectional screw rod to rotate, drives the two sliders to move toward each other along the slide groove, the slider drives the connecting block and the second cover shell to move toward the center of the workbench, and after the second cover shell moves into place, it drives the first cover shell to move outward from the storage frame, and when the cover shells in the two storage frames are fully extended, the two sliders contact, and the two second cover shells are tightly attached to completely cover the workbench, the structure is simple, the operation is convenient, and it is convenient to carry out maintenance and replacement. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] Figure 1 This is a schematic diagram of the overall structure of a telescopic shield for a vertical milling machine according to the utility model;

[0012] Figure 2 It is a rear view of a telescopic cover for a vertical milling machine of the utility model;

[0013] Figure 3 It is a schematic diagram of the specific structure of a telescopic cover for a vertical milling machine of the utility model;

[0014] As shown in the figure: 1 workbench, 2 base, 3 storage frame, 4 first cover shell, 5 second cover shell, 6 connecting block, 7 slider, 8 bidirectional screw rod, 9 slide slot, 10 motor. DETAILED DESCRIPTION

[0015] The technical solution of the utility model will be described clearly and completely below in conjunction with the accompanying drawings. Obviously, the described embodiments are part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of 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.

[0016] In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, the terms "first", "second", and "third" are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance.

[0017] In the description of the present utility model, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected" and "connected" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal connection of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances. In addition, the technical features involved in the different embodiments of the present utility model described below can be combined with each other as long as they do not conflict with each other.

[0018] Example 1

[0019] The utility model provides a telescopic shield for a vertical milling machine, which is characterized by comprising a workbench 1, a base 2, a storage frame 3, a first cover shell 4, a second cover shell 5, a connecting block 6, a slider 7, a bidirectional screw rod 8, a slide groove 9, and a motor 10. The workbench 1 is arranged on the base 2, the storage frame 3 is arranged on the base 2, the first cover shell 4 is arranged in the storage frame 3, the second cover shell 5 is arranged in the first cover shell 4, the connecting block 6 is arranged on the second cover shell 5, the slide groove 9 is arranged on the base 2, the bidirectional screw rod 8 is arranged in the slide groove 9, the motor 10 is arranged on the bidirectional screw rod 8, and the slide groove 9 is arranged in the slider 7;

[0020] Furthermore, the bottom of the storage frame 3 is located at the same horizontal line as the workbench 1, and there is a cavity in the storage frame 3. There are two storage frames 3, which are respectively located on both sides of the workbench 1. The first cover shell 4 contacts the inner wall of the cavity of the storage frame 3. There is a cavity in the first cover shell 4, and the second cover shell 5 contacts the inner wall of the cavity of the first cover shell 4.

[0021] Furthermore, the slide groove 9 is located at the rear side of the storage frame 3, the slide groove 9 is connected to the bidirectional screw rod 8 through a bearing, the end of the bidirectional screw rod 8 is connected to the output end of the motor 10, the motor 10 is located on the base 2, and the base 2 is connected to the external controller;

[0022] Furthermore, the slider 7 is fixedly connected to the connecting block 6, the connecting block 6 is fixedly connected to the second cover shell 5, the slider 7 has a circular opening, the opening of the slider 7 has a thread, the slider 7 is connected to the bidirectional screw 8 through the thread, and there are two sliders 7, which are symmetrically arranged in the slide groove 9.

[0023] Example 2

[0024] During use, after the vertical milling machine has completed processing, it needs to be shut down. The external controller controls the motor 10 to operate, driving the bidirectional screw 8 to rotate, driving the two sliders 7 to move toward each other along the slide groove 9, and the slider 7 drives the connecting block 6 and the second cover shell 5 to move toward the center of the workbench 1. After the second cover shell 5 moves into place, it drives the first cover shell 4 to move out from the storage frame 3. When the covers in the two storage frames 3 are fully extended, the two sliders 7 are in contact, and the two second cover shells 5 are tightly attached to completely cover the workbench 1.

[0025] The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model. The various components mentioned in the utility model are common technologies in the existing field. The technicians in this industry should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only to illustrate the principles of the utility model. Without departing from the spirit and scope of the utility model, the utility model will have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection claimed by the utility model is defined by the attached claims and their equivalents.

Claims

1. A telescopic cover for a vertical milling machine, characterized in that It includes a workbench, a base, a storage frame, a first cover shell, a second cover shell, a connecting block, a slider, a bidirectional screw rod, a slide groove, and a motor. The workbench is arranged on the base, the storage frame is arranged on the base, the first cover shell is arranged in the storage frame, the second cover shell is arranged in the first cover shell, the connecting block is arranged on the second cover shell, the slide groove is arranged on the base, the bidirectional screw rod is arranged in the slide groove, the motor is arranged on the bidirectional screw rod, and the slider is arranged in the slide groove.

2. The telescopic cover for a vertical milling machine according to claim 1, characterized in that: The bottom of the storage frame is on the same horizontal line as the workbench. There is a cavity inside the storage frame. There are two storage frames, which are located on both sides of the workbench respectively. The first cover shell contacts the inner wall of the cavity of the storage frame. There is a cavity inside the first cover shell, and the second cover shell contacts the inner wall of the cavity of the first cover shell.

3. The telescopic cover for a vertical milling machine according to claim 2, characterized in that: The slide groove is located at the rear side of the storage frame, the slide groove is connected to the bidirectional screw rod through a bearing, the end of the bidirectional screw rod is connected to the output end of the motor, the motor is located on the base, and the base is connected to an external controller.

4. The telescopic cover for a vertical milling machine according to claim 3, characterized in that: The slider is fixedly connected to the connecting block, the connecting block is fixedly connected to the second cover shell, the slider has a circular opening, the opening of the slider has a thread, the slider is connected to the bidirectional screw rod through the thread, there are two sliders, which are symmetrically arranged in the slide groove.

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