Tool rest for numerical control machine tool

Abstract

The tool rest for the numerical control machine tool comprises a mounting frame, the longitudinal section of the mounting frame is in a square shape, a clamping plate is arranged in the mounting frame in an up-down sliding mode, a tool is arranged on the lower wall in the mounting frame in a front-back sliding mode, a groove is formed in the lower wall of the tool, and a sliding block is arranged on the lower wall of the mounting frame in a sliding mode; according to the scheme, the cutter is arranged between the lower wall of the mounting frame and the clamping plate by pulling the pulling plate, the cutter is preliminarily limited by rotating the third screw rod and the first screw rod, the cutter is slid to the required position, the pulling plate is loosened, the second screw rod is rotated, and the cutter is clamped by the second screw rod. The sliding block moves till the protruding block is in sliding connection with the tool through the groove under the action of the spring, then the third screw and the first screw are screwed to stably clamp the tool, the tool rest does not need to be accurately aligned with the protruding block and the groove, operation is easy, and the position of the tool can be adjusted so that the tool can adapt to the size of a workpiece.

Description

Technical Field

[0001] The present application relates to the technical field of numerically controlled machine tools, and in particular to a tool holder for numerically controlled machine tools. Background Art

[0002] CNC machine tools are machine tools that process workpieces by controlling tool paths and operations through pre-written programs. They can achieve high-precision, high-efficiency, and high-stability processing, and are widely used in various manufacturing industries. The development of CNC machine tools has made the production process more automated and intelligent, improving production efficiency and product quality. The tool holder of CNC machine tools plays a very important role in CNC processing. It can ensure the stability and accuracy of the tool, thereby ensuring the quality and accuracy of the processed parts.

[0003] The tool holder of a traditional CNC machine tool is usually only suitable for the same type of tool.

[0004] 'CN220260187U' A tool rest for CNC machine tools" discloses that the first pressing plate is moved by adjusting the screw, the first pressing plate and the upper plate are fixed by the telescopic rod, and the first pressing plate is driven to move up and down by the first slide groove and the first slider, so as to place different types of tools. However, in the actual use of the above tool rest, the convex block and the concave block need to be manually aligned before the first pressing plate is pressed down. It is difficult to align the two manually, and because the convex block is fixed, the distance between the tool and the workpiece cannot be adjusted according to the size of the workpiece. Therefore, in order to solve the above problems, the present application provides a tool rest for CNC machine tools.

[0005] The above information disclosed in the background technology is only used to increase the understanding of the background technology of the present application, and therefore, it may include information that does not constitute the prior art known to ordinary technicians in the field. Utility Model Content

[0006] In order to solve the problem that it is difficult to align the protrusions and the concave blocks and that the distance between the tool and the workpiece is difficult to adjust, the present application provides a tool holder for a CNC machine tool.

[0007] The present application provides a tool holder for a numerically controlled machine tool, comprising a mounting frame, wherein the longitudinal section of the mounting frame is in the shape of a "mouth", a clamping plate is provided inside the mounting frame for sliding up and down, a tool is provided on the lower wall inside the mounting frame for sliding back and forth, a groove is provided on the lower wall of the tool, a sliding block is provided on the lower wall of the mounting frame for sliding, the sliding block has two protrusions which are arranged through and slidably connected, and the protrusions are both slidably connected to the tool through the groove.

[0008] Preferably, one end of the protrusion located outside the mounting frame is fixedly connected to a pull plate, a spring is wound around the outer wall of the protrusion, and the pull plate is elastically connected to the lower wall of the mounting frame through the spring.

[0009] Preferably, a sliding groove is provided through the lower wall of the mounting frame, and the sliding block is slidably arranged in the sliding groove.

[0010] Preferably, a second screw is provided through the lower wall of the mounting frame and is rotatably connected thereto, one end of the second screw is located inside the sliding groove and is rotatably connected to both side walls thereof, and the second screw is provided through the sliding block and is threadably connected thereto.

[0011] Preferably, limit plates are slidably arranged on both sides of the tool inside the mounting frame, and the height of the limit plates is lower than the height of the tool.

[0012] Preferably, two opposite side walls of the mounting frame are both provided with a third screw rod which is threadedly connected thereto, and one end of the third screw rod located inside the mounting frame is rotatably connected to the limiting plate closest thereto.

[0013] Preferably, three sliding rods are provided through and slidably connected to the upper wall of the mounting frame, and the lower ends of the sliding rods are fixedly connected to the clamping plate.

[0014] Preferably, a first screw rod is provided through and threadedly connected to the upper wall of the mounting frame, and the lower end of the first screw rod is rotatably connected to the clamping plate.

[0015] In summary, this application includes the following beneficial technical effects:

[0016] The tool is placed between the lower wall of the mounting frame and the clamping plate by pulling the pull plate, the third screw and the first screw are turned to initially limit the tool, the tool is slid to the desired position, the pull plate is released and the second screw is turned, the sliding block moves until the protrusion is slidably connected to the tool through the groove under the action of the spring, and then the third screw and the first screw are tightened to stably clamp the tool. Compared with the comparative document, the tool holder does not require precise alignment of the protrusion and the groove, and is relatively simple to operate. The position of the tool can be adjusted to adapt to the size of the workpiece, thereby improving the practicality of the equipment. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the overall structure from a first viewing angle in the first embodiment of the present application;

[0018] Figure 2 is a schematic diagram of the overall structure of the second viewing angle in the first embodiment of the present application;

[0019] Figure 3 It is a cross-sectional view of the internal structure in Example 1 of the present application.

[0020] Explanation of the accompanying drawings: 1. Mounting frame; 2. Clamping plate; 3. Cutter; 4. Sliding rod; 5. First screw; 6. Sliding groove; 7. Second screw; 8. Sliding block; 9. Bump; 10. Pull plate; 11. Spring; 12. Limiting plate; 13. Third screw. DETAILED DESCRIPTION

[0021] The following is combined with Figure 1-3 This application is described in further detail.

[0022] Embodiment 1

[0023] Reference Figure 1-3 A tool rest for a numerically controlled machine tool comprises a mounting frame 1, the longitudinal section of the mounting frame 1 is in the shape of a "mouth", a clamping plate 2 is provided inside the mounting frame 1 for sliding up and down, a tool 3 is provided on the lower wall of the mounting frame 1 for sliding forward and backward, a groove is provided on the lower wall of the tool 3, a sliding block 8 is provided on the lower wall of the mounting frame 1 for sliding, the sliding block 8 is provided through and slidably connected with two protrusions 9, the size of the protrusion 9 is slightly smaller than the size of the groove, and the protrusions 9 are all slidably connected with the tool 3 through the groove. A pull plate 10 is fixedly connected to one end of the protrusion 9 located outside the mounting frame 1, a spring 11 is wound around the outer wall of the protrusion 9, and the pull plate 10 is elastically connected to the lower wall of the mounting frame 1 through the spring 11.

[0024] The lower wall of the mounting frame 1 is provided with a sliding groove 6, and the sliding block 8 is slidably provided in the sliding groove 6. A second screw rod 7 is provided through the lower wall of the mounting frame 1 and is rotatably connected, one end of the second screw rod 7 is located inside the sliding groove 6 and is rotatably connected to both side walls thereof, and the second screw rod 7 is provided through the sliding block 8 and is threadedly connected thereto.

[0025] Limit plates 12 are slidably arranged on both sides of the tool 3 inside the mounting frame 1. The height of the limit plates 12 is lower than that of the tool 3. The limit plates 12 can be set as telescopic plates without affecting the movement of the clamping plate 2. A third screw 13 is provided through and threadedly connected to the two opposite side walls of the mounting frame 1. One end of the third screw 13 located inside the mounting frame 1 is rotatably connected to the limit plate 12 closest to it.

[0026] The upper wall of the mounting frame 1 is provided with three slide bars 4 through and slidably connected, and the lower ends of the slide bars 4 are fixedly connected to the clamping plate 2. The upper wall of the mounting frame 1 is provided with a first screw rod 5 through and threadedly connected, and the lower end of the first screw rod 5 is rotatably connected to the clamping plate 2.

[0027] During actual use, the mounting frame 1 is first fixedly connected to the external driving device, and the pull plate 10 is pulled to place the tool 3 between the lower wall of the mounting frame 1 and the clamping plate 2. At the same time, the third screw 13 is rotated to make the limit plate 12 move and fit the tool 3, and at this time, the tool 3 is aligned with the protrusion 9. The first screw 5 is rotated to make the clamping plate 2 fit the surface of the tool 3 for preliminary limiting. At this time, the tool 3 can still slide. Slide the tool 3 to the desired position, loosen the pull plate 10 and rotate the second screw 7 to drive the sliding block 8 threadedly connected thereto to move. Under the action of the spring 11, when the protrusion 9 is slidably connected to the tool 3 through the groove, the third screw 13 and the first screw 5 are tightened to stably clamp the tool 3. The tool holder does not need to accurately align the protrusion 9 with the groove, and the position of the tool 3 can be adjusted to adapt to the size of the workpiece.

[0028] Finally, a few points should be explained: First, in the description of this application, it should be noted that, unless otherwise specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, which may refer to mechanical connection or electrical connection, or internal communication between two components, or direct connection. "upper", "lower", "left", "right", etc. are only used to indicate relative positional relationships. When the absolute position of the object being described changes, the relative positional relationship may change;

[0029] Secondly: In the drawings of the embodiments disclosed in the present utility model, only the structures related to the embodiments disclosed in the present utility model are involved, and other structures can refer to the general design. In the absence of conflict, the same embodiment and different embodiments of the present utility model can be combined with each other;

[0030] Finally: The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present utility model should be included in the protection scope of the present utility model.

[0031] The above are all preferred embodiments of the present application, and the protection scope of the present application is not limited thereto. Therefore, any equivalent changes made according to the structure, shape, and principle of the present application should be included in the protection scope of the present application.

Claims

1. A tool rest for a numerically controlled machine tool, comprising a mounting frame (1), characterized in that: The longitudinal section of the mounting frame (1) is in the shape of a "mouth", a clamping plate (2) is slidably arranged inside the mounting frame (1) up and down, a tool (3) is slidably arranged on the lower wall inside the mounting frame (1) forward and backward, a groove is arranged on the lower wall of the tool (3), a sliding block (8) is slidably arranged on the lower wall of the mounting frame (1), the sliding block (8) is provided with two protrusions (9) which are arranged through and slidably connected, and the protrusions (9) are slidably connected to the tool (3) through the groove.

2. The tool rest for a CNC machine tool according to claim 1, characterized in that: One end of the protrusion (9) located outside the mounting frame (1) is fixedly connected to a pull plate (10), a spring (11) is wound around the outer wall of the protrusion (9), and the pull plate (10) is elastically connected to the lower wall of the mounting frame (1) via the spring (11).

3. The tool rest for a CNC machine tool according to claim 1, characterized in that: A sliding groove (6) is provided through the lower wall of the mounting frame (1), and the sliding block (8) is slidably arranged in the sliding groove (6).

4. The tool rest for a CNC machine tool according to claim 3, characterized in that: A second screw rod (7) is disposed through the lower wall of the mounting frame (1) and is rotatably connected thereto. One end of the second screw rod (7) is located inside the sliding groove (6) and is rotatably connected to both side walls thereof. The second screw rod (7) is disposed through the sliding block (8) and is threadably connected thereto.

5. The tool rest for a CNC machine tool according to claim 1, characterized in that: Limiting plates (12) are slidably arranged on both sides of the tool (3) inside the mounting frame (1), and the height of the limiting plates (12) is lower than the height of the tool (3).

6. The tool rest for a CNC machine tool according to claim 5, characterized in that: A third screw rod (13) is provided through and threadedly connected to two opposite side walls of the mounting frame (1); one end of the third screw rod (13) located inside the mounting frame (1) is rotatably connected to the limiting plate (12) closest thereto.

7. The tool rest for a CNC machine tool according to claim 1, characterized in that: Three sliding rods (4) are arranged through and slidably connected to the upper wall of the mounting frame (1), and the lower ends of the sliding rods (4) are fixedly connected to the clamping plate (2).

8. The tool rest for a CNC machine tool according to claim 1, characterized in that: A first screw rod (5) is provided through the upper wall of the mounting frame (1) and is threadedly connected thereto, and the lower end of the first screw rod (5) is rotatably connected to the clamping plate (2).

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