A milling power head for numerical control machine tools

Abstract

This utility model discloses a milling power head for CNC machine tools, relating to the field of CNC machine tool technology. The utility model includes a base, with a milling head mounted on the top of the base, and a slide rail fixedly connected to the right side of the base. By incorporating an installation and removal assembly, specifically, during the insertion of the milling head into the inner wall of the power shaft, a limiting ring presses against a limiting block. A spring, compressed by the limiting block, generates elastic force. When the limiting ring at the end of the milling head moves away from the limiting block, the elastic force generated by the spring pushes the limiting block against the outer surface of the milling head. The inner wall of the rotating ring moves to the sliding hole on the side wall of the power shaft, thereby restricting the limiting block to adhere to the outer surface of the milling head via a limiting rod. At this point, the milling head cannot be removed, allowing the operator to quickly and easily replace the worn milling head without the need for complex tools or equipment, enabling the machine to quickly return to working condition and thus improving overall milling efficiency.

Description

Technical Field

[0001] This utility model belongs to the field of CNC machine tool technology, and in particular relates to a milling power head for CNC machine tools. Background Technology

[0002] When a CNC machine tool processes a workpiece, the workpiece is first fixed on the machine tool's fixture, and then the workpiece is processed by the tool's power head. Therefore, CNC machine tools can not only perform milling operations on workpieces, but also perform drilling and tapping operations on the sides or end faces of workpieces.

[0003] When milling workpieces using CNC machine tools, the milling cutter head will wear down under prolonged working conditions. Wear of the milling head will cause the cutting edge to become dull, thus affecting the machining accuracy. A worn milling head may not be able to maintain a constant depth of cut during the cutting process, resulting in increased workpiece dimensional deviations. If it is not replaced in time, it may lead to the scrapping of the workpiece or the need for additional machining steps to repair surface defects, thereby increasing production costs. Therefore, we propose a milling power head for CNC machine tools. Summary of the Invention

[0004] The purpose of this invention is to provide a milling power head for CNC machine tools. By incorporating a mounting and dismounting assembly, operators can quickly and easily replace worn milling heads without the need for complex tools or equipment, enabling the machine to rapidly return to working condition and thus improving overall milling efficiency. This solves the problem that wear on existing milling heads leads to blunting of the cutting edge, affecting machining accuracy. Furthermore, worn milling heads may fail to maintain a constant depth of cut during cutting, resulting in increased workpiece dimensional deviations. Failure to replace them promptly may lead to workpiece scrap or require additional machining steps to repair surface defects, thereby increasing production costs.

[0005] To solve the above-mentioned technical problems, this utility model is achieved through the following technical solution:

[0006] This utility model is a milling power head for CNC machine tools, including a base, a milling machine is provided on the top of the base, a slide rail is fixedly connected to the right side of the base, and a placement table is slidably connected to the outer surface of the slide rail. The placement table is connected to the CNC machine tool through a mounting component.

[0007] A mounting and dismounting assembly is provided on the right side of the milling machine. The assembly includes a power shaft fixedly connected to the output end of the milling machine. A rotating ring is threaded onto the outer surface of the power shaft. A milling head is disposed inside the power shaft. Several sliding holes are formed on the side wall of the power shaft. Limiting rods are slidably connected to the inner walls of the sliding holes. Limiting blocks are fixedly connected to the ends of the limiting rods near the milling head. Springs are sleeved on the outer surfaces of the limiting rods. The ends of the springs near the milling head are fixedly connected to the outer surfaces of the limiting blocks. Two limiting rings are fixedly connected to the outer surface of the milling head. As the rotating ring rotates, the inner wall of the rotating ring moves the sliding hole portion formed on the side wall of the power shaft, thereby restricting the limiting blocks to fit against the outer surface of the milling head through the limiting rods. At this time, the milling head cannot be removed. The operator can quickly and easily replace the worn milling head without the need for complicated tools or equipment, allowing the machine to quickly return to working condition, thereby improving the overall milling efficiency.

[0008] Furthermore, both sides of the two limiting rings are arc-shaped surfaces, the outer surface of the rotating ring is provided with striped grooves, and the side of the rotating ring near the limiting rod is an arc-shaped inclined surface. The striped grooves on the surface of the rotating ring facilitate the rotation by the operator.

[0009] Furthermore, the inner wall of the power shaft is provided with a slot, and the inner wall of the slot is inserted into one end of the milling head near the power shaft. The slot is square in shape, and the milling head can only be inserted and cannot rotate with the inner wall of the slot, so that the milling head can be driven to rotate while the power shaft rotates.

[0010] Furthermore, a motor is fixedly connected to the left side of the base, and a screw is fixedly connected to the output end of the motor. The left and right sides of the screw are rotatably connected to the inner wall of the base. A movable support is threaded onto the outer surface of the screw. A sliding groove is provided inside the base. By adjusting the position of the milling machine through the movable support, the distance between the milling machine and the surface of the object can be controlled to avoid surface quality problems caused by excessive or insufficient cutting depth.

[0011] Furthermore, the outer surface of the movable support is slidably connected to the inner wall of the slide groove, the top of the movable support is fixedly connected to the side of the milling machine near the base, and several pulleys are rotatably connected to the side of the movable support near the base. All of the pulleys are in contact with the top of the base, and the pulleys can effectively reduce the friction between the movable support and the surface of the base.

[0012] This utility model has the following beneficial effects:

[0013] This invention features an installation and removal assembly. Specifically, during the insertion of the milling head into the inner wall of the power shaft, a limiting ring presses against a limiting block. A spring, compressed by the limiting block, generates elastic force. When the limiting ring at the end of the milling head moves away from the limiting block, the elastic force generated by the spring pushes the limiting block against the outer surface of the milling head. The end of the milling head then contacts and engages with the inner wall of the slot. As the rotating ring rotates, the inner wall of the rotating ring moves to the sliding hole on the side wall of the power shaft, thereby restricting the limiting block to adhere to the outer surface of the milling head via a limiting rod. At this point, the milling head cannot be removed, allowing the operator to quickly and easily replace the worn milling head without the need for complex tools or equipment. This enables the machine to quickly return to working condition, thereby improving the overall milling efficiency.

[0014] This utility model features a movable support, specifically a pulley on the side of the movable support near the base. During the movement of the movable support, the pulley effectively reduces the friction between the movable support and the base surface, allowing operators to easily adjust the position of the milling machine according to processing requirements. Controlling the distance between the milling machine and the object surface can prevent surface quality problems caused by excessive or insufficient cutting depth.

[0015] Of course, any product implementing this utility model does not necessarily need to achieve all of the advantages described above at the same time. Attached Figure Description

[0016] To more clearly illustrate the technical solutions of the embodiments of this utility model, the accompanying drawings used in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0017] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0018] Figure 2 This is a schematic diagram of the milling head structure of this utility model;

[0019] Figure 3 This utility model Figure 2 Enlarged structural diagram of A in the middle;

[0020] Figure 4 This is a schematic diagram of the installation and disassembly components of this utility model;

[0021] Figure 5 This is a schematic diagram of the movable support structure of this utility model.

[0022] The attached diagram lists the components represented by each number as follows:

[0023] 1. Base; 101. Milling machine; 102. Slide rail; 103. Placement platform; 2. Assembly / disassembly assembly; 201. Drive shaft; 202. Rotary ring; 203. Milling head; 204. Sliding hole; 205. Limiting rod; 206. Limiting block; 207. Spring; 208. Limiting ring; 301. Slide groove; 302. Motor; 303. Screw; 304. Moving support; 305. Pulley; 306. Slot. Detailed Implementation

[0024] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the scope of protection of the present utility model.

[0025] Please see Figures 1-5 As shown, this utility model is a milling power head for CNC machine tools, including a base 1, a milling machine 101 is provided on the top of the base 1, a slide rail 102 is fixedly connected to the right side of the base 1, and a placement table 103 is slidably connected to the outer surface of the slide rail 102.

[0026] A mounting / removal assembly 2 is provided on the right side of the milling machine 101. The assembly includes a power shaft 201 fixedly connected to the output end of the milling machine 101. A rotating ring 202 is threaded onto the outer surface of the power shaft 201. A milling head 203 is disposed inside the power shaft 201. Several sliding holes 204 are formed on the side wall of the power shaft 201. Limiting rods 205 are slidably connected to the inner walls of each sliding hole 204. Limiting blocks 206 are fixedly connected to the ends of each limiting rod 205 near the milling head 203. Springs 207 are sleeved on the outer surfaces of each limiting rod 205. The ends of each spring 207 near the milling head 203 are fixedly connected to the outer surface of the limiting blocks 206. Two limiting rings 208 are fixedly connected to the outer surface of the milling head 203. Specifically, by setting up the mounting / removal assembly 2, the milling head 203 is inserted into the power shaft 201... During the milling process, the limiting ring 208 will squeeze the limiting block 206. The spring 207 will generate elastic force due to the compression of the limiting block 206. When the limiting ring 208 at the end of the milling head 203 moves away from the limiting block 206, the elastic force generated by the spring 207 will push the limiting block 206 to squeeze the outer surface of the milling head 203. The end of the milling head 203 will contact and engage with the inner wall of the slot 306. As the rotating ring 202 rotates, the sliding hole 204 on the side wall of the moving power shaft 201 moves the inner wall of the rotating ring 202, thereby limiting the limiting block 206 to adhere to the outer surface of the milling head 203 through the limiting rod 205. At this time, the milling head 203 cannot be removed. The operator can quickly and easily replace the worn milling head without the need for complicated tools or equipment, so that the machine can quickly return to working condition, thereby improving the overall milling efficiency.

[0027] Both sides of the two limiting rings 208 are arc-shaped surfaces, the outer surface of the rotating ring 202 is provided with striped grooves, and the side of the rotating ring 202 near the limiting rod 205 is an arc-shaped inclined surface.

[0028] The inner wall of the power shaft 201 is provided with a slot 306, and the inner wall of the slot 306 is inserted into the end of the milling head 203 near the power shaft 201.

[0029] A motor 302 is fixedly connected to the left side of the base 1, and a screw 303 is fixedly connected to the output end of the motor 302.

[0030] The left and right sides of the screw 303 are rotatably connected to the inner wall of the base 1. The outer surface of the screw 303 is threaded with a movable support 304. The interior of the base 1 is provided with a sliding groove 301.

[0031] The outer surface of the movable support 304 is slidably connected to the inner wall of the slide 301, and the top of the movable support 304 is fixedly connected to the side of the milling machine 101 near the base 1.

[0032] A number of pulleys 305 are rotatably connected to the side of the movable support 304 near the base 1. All the pulleys 305 are in contact with the top of the base 1. By setting the movable support 304, specifically the pulleys 305 on the side of the movable support 304 near the base 1, the pulleys 305 can effectively reduce the friction between the movable support 304 and the surface of the base 1 during the movement of the movable support 304. This allows the operator to adjust the position of the milling machine 101 according to the processing requirements through the movable support 304. Controlling the distance between the milling machine 101 and the surface of the object can avoid surface quality problems caused by excessive or insufficient cutting depth.

[0033] A specific application of this embodiment is as follows: the device is connected to a CNC machine tool via a placement table 103. After the object to be milled is fixed on the machine tool, the motor adjustment screw 303 is started and rotated. As the screw 303 rotates, it controls the sliding support 304 to slide inside the slide groove 301, thereby controlling the distance between the milling machine 101 at the top of the sliding support 304 and the object. A pulley 305 is provided on the side of the sliding support 304 near the base 1. During the movement of the sliding support 304, the pulley 305 can effectively reduce the friction between the sliding support 304 and the surface of the base 1, making it convenient for the operator to adjust the position of the milling machine 101 through the sliding support 304 according to the processing requirements.

[0034] When it is necessary to replace the milling head at the end of the milling machine 101, rotate the rotating ring 202 counterclockwise. As the rotating ring 202 rotates, the sliding hole 204 at the beginning of the side wall of the power shaft 201 is opened. Simply pull the milling head 203 out of the slot 306 opened inside the power shaft 201. As the milling head 203 drives the externally set limiting ring 208 to move, it pushes the limiting block 206 to slide on the inner wall of the sliding hole 204, and the milling head 203 is removed. Then, a new milling head 203 is replaced. During the process of the milling head 203 being inserted into the inner wall of the power shaft 201, the limiting ring 208 will squeeze the limiting block 206. The spring 207 is squeezed by the limiting block 206 and generates elastic force. As the milling head 203 continues to move into the power shaft 201, when the limiting ring 208 at the end of the milling head 203 moves away from the limiting block 206, the spring 207 will release its elastic force. The generated elastic force pushes the limiting block 206 to press against the outer surface of the milling head 203. The end of the milling head 203 contacts and engages with the inner wall of the slot 306. At this time, the rotating ring 202 is rotated clockwise. As the rotating ring 202 rotates, the inner wall of the rotating ring 202 moves the sliding hole 204 on the side wall of the moving power shaft 201. The limiting rod 205 cannot disengage from the sliding hole 204. Thus, the limiting block 206 is restricted to adhere to the outer surface of the milling head 203 by the limiting rod 205. At this time, the milling head 203 cannot be removed. The operator can quickly and easily replace the worn milling head without complicated tools or equipment assistance, so that the machine can quickly return to working condition, thereby improving the overall milling efficiency. During the milling process, the computer system controls the overall movement of the base 1, thereby driving the milling machine 101 to mill the surface of the object.

[0035] In the description of this specification, references to terms such as "an embodiment," "example," "specific example," etc., indicate that a specific feature, structure, material, or characteristic described in connection with this embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples.

[0036] The preferred embodiments of this utility model disclosed above are merely illustrative of the present utility model. These preferred embodiments do not exhaustively describe all details, nor do they limit the present utility model to the specific implementations described. Clearly, many modifications and variations can be made based on the content of this specification. This specification selects and specifically describes these embodiments to better explain the principles and practical applications of the present utility model, thereby enabling those skilled in the art to better understand and utilize it. This utility model is limited only by the claims and their full scope and equivalents.

Claims

1. A milling power head for a CNC machine tool, characterized in that: Includes a base (1), a milling machine (101) is provided on the top of the base (1), a slide rail (102) is fixedly connected to the right side of the base (1), and a placement table (103) is slidably connected to the outer surface of the slide rail (102). A mounting and dismounting assembly (2) is provided on the right side of the milling machine (101). The mounting and dismounting assembly (2) includes a power shaft (201) fixedly connected to the output end of the milling machine (101). A rotating ring (202) is threadedly connected to the outer surface of the power shaft (201). A milling head (203) is provided inside the power shaft (201). A plurality of sliding holes (204) are provided on the side wall of the power shaft (201). Limiting rods (205) are slidably connected to the inner walls of the plurality of sliding holes (204). Limiting blocks (206) are fixedly connected to one end of the plurality of limiting rods (205) near the milling head (203). Springs (207) are sleeved on the outer surface of the plurality of limiting rods (205). The ends of the plurality of springs (207) near the milling head (203) are fixedly connected to the outer surface of the limiting blocks (206). Two limiting rings (208) are fixedly connected to the outer surface of the milling head (203).

2. The milling power head for CNC machine tools according to claim 1, characterized in that, Both sides of the two limiting rings (208) are arc-shaped surfaces, the outer surface of the rotating ring (202) is provided with striped grooves, and the side of the rotating ring (202) near the limiting rod (205) is an arc-shaped inclined surface.

3. A milling power head for a CNC machine tool according to claim 2, characterized in that, The inner wall of the power shaft (201) is provided with a slot (306), and the inner wall of the slot (306) is inserted into one end of the milling head (203) near the power shaft (201).

4. A milling power head for a CNC machine tool according to claim 3, characterized in that, A motor (302) is fixedly connected to the left side of the base (1), and a screw (303) is fixedly connected to the output end of the motor (302).

5. A milling power head for a CNC machine tool according to claim 4, characterized in that, The left and right sides of the screw (303) are rotatably connected to the inner wall of the base (1), and the outer surface of the screw (303) is threaded with a movable support (304). The base (1) has a sliding groove (301) inside.

6. A milling power head for a CNC machine tool according to claim 5, characterized in that, The outer surface of the movable support (304) is slidably connected to the inner wall of the slide groove (301), and the top of the movable support (304) is fixedly connected to the side of the milling machine (101) near the base (1).

7. A milling power head for a CNC machine tool according to claim 6, characterized in that, The movable support (304) is rotatably connected to a number of pulleys (305) on the side near the base (1), and the pulleys (305) are in contact with the top of the base (1).

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