Workpiece table protection structure of large numerical control vertical lathe

Abstract

The utility model discloses a protective structure for a workpiece table of a large numerical control vertical lathe, which belongs to the field of machine tool protective covers, and comprises two linear driving modules and an arc-shaped protective frame, the arc-shaped protective frame is designed, and two ends of the arc-shaped protective frame are connected through the linear driving modules. The arc-shaped protection frame can be driven and controlled to ascend and descend, so that when a large workpiece is machined, the linear driving module drives the arc-shaped protection frame to be lowered to the outer side of the lathe workpiece table, the outer side area of the lathe workpiece table is isolated and protected, and the probability that the large workpiece directly hits the ground to injure workers when falling off is reduced; and the overall structure is simple, and installation and maintenance are convenient.

Description

Technical Field

[0001] The utility model relates to the field of machine tool protective covers, and more specifically to a workpiece table protective structure of a large-scale CNC vertical lathe. Background Art

[0002] Large CNC vertical lathes are generally required for the processing of large workpieces. Due to the large size and weight of large workpieces, if the clamping mechanism on the lathe worktable is not clamped tightly or there is a collision with the tool during processing, it is easy for the large workpiece to fall off the lathe worktable and hit the ground, causing harm to the workers. This situation is common in actual processing sites.

[0003] Therefore, it is necessary to design a structure to protect the surrounding area of ​​the lathe workpiece table to resist the falling large workpieces and prevent harm to the staff. Therefore, we proposed a large CNC vertical lathe workpiece table protection structure to solve the above problems. Utility Model Content

[0004] 1. Technical issues to be solved

[0005] In view of the problems existing in the prior art, the purpose of the utility model is to provide a workpiece table protection structure for a large CNC vertical lathe. It designs an arc-shaped protection frame, and its two ends are connected by a linear drive module, which can drive and control the arc-shaped protection frame to rise and fall, so that when processing a large workpiece, the linear drive module drives the arc-shaped protection frame to be lowered to the outside of the lathe workpiece table, thereby isolating and protecting the outer area of ​​the lathe workpiece table, reducing the probability of large workpieces falling directly to the ground and causing injuries to workers, and the overall structure is simple and easy to install and maintain.

[0006] 2. Technical solution

[0007] To solve the above problems, the utility model adopts the following technical solutions.

[0008] A large CNC vertical lathe workpiece table protection structure comprises two linear drive modules and an arc-shaped protection frame, wherein the two linear drive modules have the same structure and are arranged in opposite directions to each other, and a CNC vertical lathe body is arranged between the two linear drive modules;

[0009] The arc-shaped protection frame comprises an arc-shaped protection frame body, the ends of both ends of the arc-shaped protection frame body are fixedly welded with connecting plates, and the outer side of the arc-shaped protection frame body is equidistantly fixedly welded with no less than 3 positioning columns, and the bottom of the positioning column is plugged with a pre-buried positioning socket;

[0010] The linear drive module includes a base plate fixedly welded to the side wall of the CNC vertical lathe body by a bracket, and end plates are fixedly installed on the top and bottom of the base plate. A stepper motor is fixedly installed on the end plate located at the top of the base plate, and the driving shaft at the bottom of the stepper motor penetrates to the bottom of the end plate, and the end of the driving shaft at the bottom of the stepper motor is connected to a threaded shaft through a coupling, and the bottom of the threaded shaft is rotatably connected to the end plate located at the bottom of the base plate.

[0011] Furthermore, two guide rails are fixedly installed on the base plate located on both sides of the threaded shaft, and a connecting seat is slidably connected to the two guide rails, and the two connecting seats are fixedly installed through a mounting plate, and an internally threaded shaft seat is also fixedly installed on the inner wall of the mounting plate between the two connecting seats, and the internally threaded hole on the internally threaded shaft seat is threadedly connected to the outer side of the threaded shaft, and the outer wall of the mounting plate is fixedly installed between the corresponding connecting plate.

[0012] Furthermore, no less than three vibration sensors are fixedly mounted on the inner wall of the arc-shaped protective frame.

[0013] Furthermore, no less than three lighting lamps are fixedly mounted on the inner wall of the arc-shaped protective frame.

[0014] Furthermore, the end of the bottom of the positioning column is a hemispherical structure.

[0015] 3. Beneficial effects

[0016] Compared with the prior art, the advantages of the present invention are:

[0017] (1) This scheme designs an arc-shaped protection frame, the two ends of which are connected by a linear drive module, which can drive and control the arc-shaped protection frame to rise and fall, so that when processing large workpieces, the linear drive module drives the arc-shaped protection frame to be lowered to the outside of the lathe workpiece table, and the area outside the lathe workpiece table is isolated and protected, reducing the probability of large workpieces falling directly to the ground and causing injuries to workers, and the overall structure is simple and easy to install and maintain;

[0018] (2) In this solution, the vibration sensor can be connected to the controller of the CNC vertical lathe body by wires, so that when the vibration sensor senses vibration, the CNC vertical lathe body can be immediately shut down through the controller to reduce damage to the CNC vertical lathe body. The setting of the lighting can increase the brightness of the working area, making it easier for workers to check the processing surface. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0020] Figure 2This is a schematic diagram of the installation of the linear drive module of the utility model;

[0021] Figure 3 This is a schematic diagram of the linear drive module structure of the utility model;

[0022] Figure 4 This is a schematic diagram of the arc-shaped protection frame structure of the utility model.

[0023] Description of the numbers in the figure:

[0024] 1. CNC vertical lathe body;

[0025] 2. Arc-shaped protection frame; 201. Arc-shaped protection frame body; 202. Connecting plate; 203. Positioning column; 204. Embedded positioning socket;

[0026] 3. Linear drive module; 301. Base plate; 302. Stepper motor; 303. Threaded shaft; 304. Guide rail; 305. Connecting seat; 306. Mounting plate;

[0027] 4. Vibration sensor;

[0028] 5. Lighting. DETAILED DESCRIPTION

[0029] The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings of the present invention specification; it is obvious that the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments, and all other embodiments obtained by ordinary technicians in this field without creative work based on the embodiments of the present invention are within the scope of protection of the present invention.

[0030] Embodiment 1:

[0031] See also Figure 1-Figure 4 A large CNC vertical lathe workpiece table protection structure includes two linear drive modules 3 and an arc-shaped protection frame 2. The two linear drive modules 3 have the same structure and are arranged in opposite directions to each other. A CNC vertical lathe body 1 is arranged between the two linear drive modules 3;

[0032] The arc-shaped protection frame 2 includes an arc-shaped protection frame body 201, and the ends of both ends of the arc-shaped protection frame body 201 are fixedly welded with connecting plates 202, and the outer side of the arc-shaped protection frame body 201 is equidistantly fixedly welded with no less than 3 positioning columns 203, and the bottom of the positioning column 203 is plugged with a pre-buried positioning socket 204;

[0033] The linear drive module 3 includes a base plate 301 fixedly welded on the side wall of the CNC vertical lathe body 1 through a bracket, and end plates are fixedly installed on the top and bottom of the base plate 301, and a stepper motor 302 is fixedly installed on the end plate located at the top of the base plate 301, and the driving shaft at the bottom of the stepper motor 302 passes through the bottom of the end plate, and the end of the driving shaft at the bottom of the stepper motor 302 is connected to a threaded shaft 303 through a coupling, and the bottom of the threaded shaft 303 is rotatably connected to the end plate located at the bottom of the base plate 301, and two guide rails 304 are fixedly installed on the base plate 301 on both sides of the threaded shaft 303, and the two guide rails 304 are slidably connected with a connecting seat 305, and the two connecting seats 305 are fixedly installed through a mounting plate 306, and an internal threaded shaft seat is also fixedly installed on the inner wall of the mounting plate 306 located between the two connecting seats 305, and the internal threaded hole on the internal threaded shaft seat is threadedly connected to the outer side of the threaded shaft 303, and the outer wall of the mounting plate 306 is fixedly installed between the corresponding connecting plate 202.

[0034] The protection principle of the workpiece table protection structure of this large CNC vertical lathe is:

[0035] First, the arc-shaped protection frame 2 is in the state of being at the top of the CNC vertical lathe body 1 by default. After the large workpiece is lifted to the lathe worktable of the CNC vertical lathe body 1 by the overhead crane and clamped by the corresponding clamping mechanism, the two linear drive modules 3 can be controlled to start, and the stepper motors 302 on the two linear drive modules 3 are started to drive the threaded shaft 303 to rotate, and then the mounting plate 306 can be driven to move downward gradually through the limit connection of the guide rail 304, the connecting seat 305 and the internal threaded shaft seat, and the arc-shaped protection frame 2 is driven to move downward gradually until the arc-shaped protection frame body 201 of the arc-shaped protection frame 2 can be sleeved on the outside of the lathe worktable and the bottom of the positioning column 203 can be inserted into the corresponding embedded positioning socket 204. At this time, the CNC vertical lathe body 1 can be started to process the large workpiece;

[0036] When a large workpiece falls off or tilts during processing, it will be first blocked by the arc-shaped protection frame 2, which increases the time for surrounding workers to react and escape, reduces harm to workers in the surrounding area, and improves safety during use.

[0037] Embodiment 2:

[0038] In view of the above embodiment 1, for further description, refer to Figure 1 and Figure 4 At least three vibration sensors 4 are fixedly mounted on the inner wall of the arc-shaped protection frame 201 , and at least three lighting lamps 5 are fixedly mounted on the inner wall of the arc-shaped protection frame 201 . The end of the bottom of the positioning column 203 is a hemispherical structure.

[0039] The vibration sensor 4 can be connected to the controller of the CNC vertical lathe body 1 by means of a wire, so that when the vibration sensor 4 senses vibration, the CNC vertical lathe body 1 can be immediately shut down through the controller, thereby reducing damage to the CNC vertical lathe body 1; the setting of the lighting lamp 5 can increase the brightness of the working area, making it convenient for the staff to check the processing surface.

[0040] The above is only a preferred specific implementation of the utility model; however, the protection scope of the utility model is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes according to the technical solution and improved ideas of the utility model within the technical scope disclosed by the utility model, which should be included in the protection scope of the utility model.

Claims

1. A workpiece table protection structure for a large CNC vertical lathe, comprising two linear drive modules (3) and an arc-shaped protection frame (2), characterized in that: The two linear drive modules (3) have the same structure and are arranged in opposite directions to each other, and a CNC vertical lathe body (1) is arranged between the two linear drive modules (3); The arc-shaped protection frame (2) comprises an arc-shaped protection frame body (201), the ends of both ends of the arc-shaped protection frame body (201) are fixedly welded with connection plates (202), and no less than three positioning columns (203) are fixedly welded at equal intervals on the outside of the arc-shaped protection frame body (201), and the bottom of the positioning column (203) is plugged with a pre-buried positioning socket (204); The linear drive module (3) comprises a base plate (301) fixedly welded to the side wall of the CNC vertical lathe body (1) through a bracket, the top and bottom of the base plate (301) are fixedly mounted with end plates, a stepper motor (302) is fixedly mounted on the end plate located at the top of the base plate (301), a driving shaft at the bottom of the stepper motor (302) penetrates to the bottom of the end plate, and the end of the driving shaft at the bottom of the stepper motor (302) is connected to a threaded shaft (303) through a coupling, and the bottom of the threaded shaft (303) is rotatably connected to the end plate located at the bottom of the base plate (301).

2. A large-scale CNC vertical lathe workpiece table protection structure according to claim 1, characterized in that: Two guide rails (304) are fixedly installed on the base plate (301) located on both sides of the threaded shaft (303), and the two guide rails (304) are slidably connected with a connecting seat (305), and the two connecting seats (305) are fixedly installed through a mounting plate (306), and an internal threaded shaft seat is also fixedly installed on the inner wall of the mounting plate (306) located between the two connecting seats (305), and the internal threaded hole on the internal threaded shaft seat is threadedly connected to the outer side of the threaded shaft (303), and the outer wall of the mounting plate (306) is fixedly installed with the corresponding connecting plate (202).

3. The large-scale CNC vertical lathe workpiece table protection structure according to claim 1 is characterized in that: No less than three vibration sensors (4) are fixedly mounted on the inner wall of the arc-shaped protective frame (201).

4. The large-scale CNC vertical lathe workpiece table protection structure according to claim 1 is characterized in that: No less than three lighting lamps (5) are also fixedly mounted on the inner wall of the arc-shaped protective frame (201).

5. The large-scale CNC vertical lathe workpiece table protection structure according to claim 1 is characterized in that: The end portion of the bottom of the positioning column (203) is in a hemispherical structure.

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