A tool holder and tool disassembly device for CNC machine tools

Abstract

This utility model discloses a tool disassembly device for CNC machine tools, including a fixing rod. A U-shaped frame is fixedly connected to the right end of the fixing rod. A steering wheel is set inside the U-shaped frame. A polygonal connecting seat is fixedly connected to the outer wall of the steering wheel. Multiple evenly distributed torsion columns with different diameters are welded to the outer wall of the polygonal connecting seat. The other end of each torsion column is provided with an internal hexagonal groove of different specifications. The limiting groove is tightly abutted against the V-shaped surface on the lower side of the polygonal connecting seat, thereby completing the fixation of the polygonal connecting seat. This further facilitates the replacement of internal hexagonal grooves of different specifications, thereby improving the ease of use. Applying a pushing force to the device causes the bolt to contact the corresponding magnet. After the bolt is completely loosened, the tool can be disassembled and separated from the tool holder. At the same time, the magnet attracts the bolt, thereby preventing the bolt from falling off when it is loosened.

Description

Technical Field

[0001] This utility model relates to the field of CNC machine tool technology, and specifically discloses a tool holder disassembly device for CNC machine tools. Background Technology

[0002] CNC machine tools, short for Computer Numerical Control machine tools, are automated machine tools equipped with a program control system. This control system can logically process programs with control codes or other symbolic instructions, decode them, represent them with coded numbers, and input them into the CNC device through an information carrier. After processing, the CNC device sends out various control signals to control the machine tool's movements, automatically machining parts according to the shape and size required by the drawings. As an important type of CNC machine tool, CNC milling machines often require tool changes in actual machining operations to meet different machining needs. An essential step in this process is to remove the tool from the CNC milling machine tool holder, thus separating the tool holder from the tool.

[0003] In the prior art, cutting tools typically consist of a tool holder and a cutting part. When it is necessary to fix the cutting tool to the tool holder, the common method of fixing is to use multiple bolts to connect and fasten the tool holder to the tool holder. When it is necessary to separate the cutting tool from the tool holder, the bolts are often loosened by using an internal hex socket, thereby enabling the disassembly and separation of the cutting tool from the tool holder.

[0004] With the rapid development of technology, since hex sockets and bolt specifications are one-to-one, when it is necessary to disassemble bolts of different specifications, operators must find the appropriate hex socket according to the bolt specifications, which undoubtedly increases the complexity and time cost of the operation. In addition, when using hex sockets to loosen bolts, the bolts are very likely to slip out of the hex socket, which may cause the bolts to be lost and affect subsequent assembly or maintenance work. Therefore, a tool holder disassembly device for CNC machine tools is needed to solve this problem. Utility Model Content

[0005] This utility model proposes a tool holder and tool disassembly device for CNC machine tools, which facilitates the replacement of internal hexagonal slots of different specifications, thereby improving ease of use, and prevents bolts from falling off when loosening them.

[0006] This utility model is implemented as follows: a tool holder and tool disassembly device for CNC machine tools includes a fixing rod, a U-shaped frame fixedly connected to the right end of the fixing rod, a steering wheel arranged inside the U-shaped frame, a polygonal connecting seat fixedly connected to the outer wall of the steering wheel, and multiple evenly distributed torsion columns with different diameters welded to the outer wall of the polygonal connecting seat. The other end of each of the multiple torsion columns is provided with an internal hexagonal groove of different specifications.

[0007] A limiting mechanism is provided below the polygonal connector. The limiting mechanism includes a horizontal plate located below the polygonal connector. The lower end of the horizontal plate passes through and is threadedly connected to a threaded post. The upper end of the threaded post is rotatably connected to a limiting block. A limiting groove is provided at the upper end of the limiting block.

[0008] Magnets are installed inside each of the aforementioned internal hexagonal slots.

[0009] In a preferred embodiment of the tool holder disassembly device for CNC machine tools according to this utility model, the outer wall of the fixing rod is provided with a retaining sleeve, and the outer wall of the fixing rod is provided with a first annular groove. The inner wall of the first annular groove is slidably connected to a first annular slide rail which is fixedly connected to the inner wall of the retaining sleeve. The first annular slide rail and the first annular groove are in clearance fit.

[0010] As a preferred embodiment of the tool holder disassembly device for CNC machine tools of this utility model, the front and rear sides of the inner wall of the U-shaped frame are provided with second annular slide grooves, and the interior of each of the two second annular slide grooves is provided with a second annular slide rail fixedly connected to the steering wheel, and the two second annular slide rails are respectively tightly connected to the interior of the two second annular slide grooves.

[0011] As a preferred embodiment of the tool holder and tool disassembly device for CNC machine tools according to this utility model, the lower end of the limiting block is fixedly connected to two sliding rods that pass through the horizontal plate and are slidably connected thereto.

[0012] In a preferred embodiment of the tool holder and tool disassembly device for CNC machine tools according to this utility model, all of the aforementioned torsion columns are made of chrome vanadium steel.

[0013] In a preferred embodiment of the tool holder and tool disassembly device for CNC machine tools according to this utility model, the limiting groove has a V-shaped structure.

[0014] In a preferred embodiment of the tool holder and tool disassembly device for CNC machine tools according to this utility model, a vertical plate is fixedly connected between the horizontal plate and the U-shaped frame.

[0015] The beneficial effects of this utility model are:

[0016] Rotating the polygonal connector and multiple torsion pins, since the specifications of the multiple torsion pins and multiple hexagonal sockets are different, the required torsion pin and hexagonal socket are rotated to the right of the steering wheel according to the specifications of the bolts. This causes the limit block to move upward and the limit groove to fit tightly against the V-shaped surface on the lower side of the polygonal connector, thereby completing the fixation of the polygonal connector. This further facilitates the replacement of hexagonal sockets of different specifications, thereby improving the ease of use.

[0017] In use, the hexagonal head of the bolt is inserted into the internal hexagonal slot located on the right side of the steering wheel. When the fixing rod is rotated, multiple torsion columns are rotated. Since the axis of the torsion column on the right side of the steering wheel is aligned with the axis of the fixing rod, a thrust is applied to the device when the bolt is loosened, causing the bolt to contact the corresponding magnet. After the bolt is completely loosened, the tool and tool holder can be disassembled and separated. At the same time, the magnet attracts the bolt, thus preventing the bolt from falling off when it is loosened. Attached Figure Description

[0018] To more clearly illustrate the specific embodiments of this utility model or the technical solutions in the prior art, the drawings used in the description of the specific embodiments or the prior art will be briefly introduced below. In all the drawings, similar elements or parts are generally identified by similar reference numerals. In the drawings, the elements or parts are not necessarily drawn to scale.

[0019] Figure 1 This is a front sectional view of the tool holder and tool disassembly device for CNC machine tools according to this utility model;

[0020] Figure 2 For the present utility model Figure 1 Enlarged view of point A in the middle;

[0021] Figure 3 This is a structural diagram of the connection at the fixing rod of this utility model;

[0022] Figure 4 This is a partial top sectional view of the present invention;

[0023] Figure 5 This is a diagram of the external structure of the torsion column of this utility model.

[0024] The markings in the diagram are: 1. Fixed rod; 2. U-shaped frame; 3. Steering wheel; 4. Polygonal connecting seat; 5. Torsion column; 6. Socket hexagonal groove; 7. Horizontal plate; 8. Limiting block; 9. Limiting groove; 10. Threaded column; 11. Slide rod; 12. Magnet; 13. Retaining sleeve; 14. First annular slide groove; 15. First annular slide rail; 16. Second annular slide groove; 17. Second annular slide rail; 18. Vertical plate. Detailed Implementation

[0025] The present invention will be further described below with reference to the accompanying drawings and specific embodiments to aid in understanding its content. Unless otherwise specified, the methods used in this invention are conventional methods; the raw materials and apparatus used, unless otherwise specified, are conventional commercially available products.

[0026] Please see Figure 1-5 A tool holder and tool disassembly device for CNC machine tools includes a fixed rod 1, a U-shaped frame 2 fixedly connected to the right end of the fixed rod 1, a steering wheel 3 arranged inside the U-shaped frame 2, a polygonal connecting seat 4 fixedly connected to the outer wall of the steering wheel 3, and multiple evenly distributed torsion columns 5 with different diameters welded to the outer wall of the polygonal connecting seat 4, and an internal hexagonal groove 6 with different specifications opened at the other end of each torsion column 5.

[0027] A limiting mechanism is provided below the polygonal connector 4. The limiting mechanism includes a horizontal plate 7 located below the polygonal connector 4. The lower end of the horizontal plate 7 passes through and is threadedly connected to a threaded post 10. The upper end of the threaded post 10 is rotatably connected to a limiting block 8. A limiting groove 9 is provided at the upper end of the limiting block 8.

[0028] Magnets 12 are installed inside the multiple internal hexagonal slots 6.

[0029] In this embodiment: during use, the polygonal connecting seat 4 is first rotated, which in turn drives the steering wheel 3 to rotate, and at the same time drives multiple torsion pins 5 to rotate. Since the diameters of the multiple torsion pins 5 are different and the specifications of the multiple internal hexagonal slots 6 are different, the required torsion pin 5 and internal hexagonal slot 6 are rotated to the right of the steering wheel 3 according to the specifications of the bolt. At this time, the internal hexagonal slot 6 located on the right of the steering wheel 3 is adapted to the hexagonal head of the bolt. Then, the threaded pin 10 is rotated by the handle installed at the lower end of the threaded pin 10, which in turn drives the limiting block 8 to move upward until the limiting groove 9 is tightly abutted against the V-shaped surface on the lower side of the polygonal connecting seat 4. This prevents the polygonal connecting seat 4 and multiple torsion pins 5 from rotating with the steering wheel 3, thus completing the fixation of the polygonal connecting seat 4. In this way, it is easy to replace internal hexagonal slots 6 of different specifications, thereby improving the ease of use.

[0030] In use, the hexagonal head of the bolt is inserted into the internal hexagonal groove 6 located to the right of the steering wheel 3. Then, the fixing rod 1 is rotated by the handle installed on the left end of the fixing rod 1, which in turn drives the U-shaped frame 2, steering wheel 3, polygonal connecting seat 4 and multiple torsion columns 5 to rotate. Since the torsion column 5 to the right of the steering wheel 3 is on the same straight line as the axis of the fixing rod 1, the bolt can be loosened. When the bolt is loosened, a pushing force can be applied to the device to make the bolt contact the corresponding magnet 12. After the bolt is completely loosened, the tool and the tool holder can be disassembled and separated. At the same time, since the magnet 12 attracts the bolt, the bolt is prevented from falling off when it is loosened.

[0031] It should be noted that by setting the torsion post 5 and the internal hexagonal groove 6, the torsion post 5 can enter the countersunk hole, and the internal hexagonal groove 6 can twist the hexagonal head inside the countersunk hole, thereby improving applicability.

[0032] As a technical optimization of this utility model, a retaining sleeve 13 is provided on the outer wall of the fixing rod 1, and a first annular groove 14 is provided on the outer wall of the fixing rod 1. A first annular slide rail 15 is slidably connected inside the first annular groove 14 and fixedly connected to the inner wall of the retaining sleeve 13. The first annular slide rail 15 and the first annular groove 14 are in clearance fit.

[0033] In this embodiment: when the fixing rod 1 is twisted, the operator's other hand can be gripped on the outer wall of the retaining sleeve 13, thereby pushing the retaining sleeve 13 to apply a pushing force to the device, preventing the hexagonal head of the bolt from coming out of the interior hexagonal groove 6, and since the first annular slide groove 14 and the first annular slide rail 15 are clearance fit, the resistance when the fixing rod 1 and the retaining sleeve 13 rotate relative to each other is reduced.

[0034] As a technical optimization of this utility model, the front and rear sides of the inner wall of the U-shaped frame 2 are provided with second annular slide grooves 16, and the interior of the two second annular slide grooves 16 is provided with second annular slide rails 17 that are fixedly connected to the steering wheel 3. The two second annular slide rails 17 are respectively tightly connected to the interior of the two second annular slide grooves 16.

[0035] In this embodiment: by setting the second annular groove 16 and the second annular slide rail 17, the stability of the steering wheel 3 rotation is improved. Since the two second annular slide rails 17 are respectively tightly connected to the inside of the two second annular grooves 16, the steering wheel 3 remains stable when it is not subjected to external force. Therefore, before the polygonal connecting seat 4 needs to be limited, it is not necessary to manually keep the steering wheel 3 from rotating.

[0036] As a technical optimization of this utility model, the lower end of the limiting block 8 is fixedly connected to two sliding rods 11 that pass through the horizontal plate 7 and are slidably connected to it.

[0037] In this embodiment, two slide bars 11 are provided to improve the stability of the movement of the limiting block 8.

[0038] As a technical optimization of this utility model, all the torsion columns 5 are made of chromium vanadium steel.

[0039] In this embodiment: due to the high hardness, good toughness and wear resistance of chromium vanadium steel, the deformation resistance of multiple torsion columns 5 is improved.

[0040] As a technical optimization of this utility model, the limiting groove 9 has a V-shaped structure.

[0041] In this embodiment: Since the limiting groove 9 is a V-shaped structure, the limiting groove 9 can fit with the V-shaped surface on the lower side of the polygonal connecting seat 4, thereby improving the stability of limiting the polygonal connecting seat 4.

[0042] As a technical optimization of this utility model, a vertical plate 18 is fixedly connected between the horizontal plate 7 and the U-shaped frame 2.

[0043] In this embodiment: a vertical plate 18 is provided to facilitate the connection of the horizontal plate 7.

[0044] The working principle and usage process of this utility model are as follows: First, rotate the polygonal connecting seat 4, which in turn drives the steering wheel 3 to rotate along with the two second annular slide rails 17. Simultaneously, it drives multiple torsion pins 5 to rotate. Since the diameters of the multiple torsion pins 5 are different, and the specifications of the multiple internal hexagonal slots 6 are different, rotate the required torsion pin 5 and internal hexagonal slot 6 to the right of the steering wheel 3 according to the bolt specifications. At this time, the internal hexagonal slot 6 located on the right side of the steering wheel 3 matches the hexagonal head of the bolt. Then, rotate the threaded pin 10 by the handle installed at the lower end of the threaded pin 10, thereby driving the limiting block 8 to move upwards until the limiting groove 9 tightly abuts against the V-shaped surface on the lower side of the polygonal connecting seat 4. This prevents the polygonal connecting seat 4 and multiple torsion pins 5 from rotating with the steering wheel 3, thus completing the fixation of the polygonal connecting seat 4. This method facilitates the replacement of internal hexagonal slots 6 of different specifications, thereby improving ease of use.

[0045] In use, the hexagonal head of the bolt is inserted into the internal hexagonal slot 6 located to the right of the steering wheel 3. Then, the fixing rod 1 is rotated by the handle installed on the left end of the fixing rod 1, which in turn drives the U-shaped frame 2, steering wheel 3, polygonal connecting seat 4 and multiple torsion columns 5 to rotate. Since the torsion column 5 to the right of the steering wheel 3 is on the same straight line as the axis of the fixing rod 1, the bolt can be loosened. When the bolt is loosened, the retaining sleeve 13 can be used to apply a pushing force to the device, so that the bolt comes into contact with the corresponding magnet 12. After the bolt is completely loosened, the tool and the tool holder can be disassembled and separated. At the same time, since the magnet 12 attracts the bolt, the bolt is prevented from falling off when it is loosened.

[0046] It should be noted that by setting the torsion post 5 and the internal hexagonal groove 6, the torsion post 5 can enter the countersunk hole, and the internal hexagonal groove 6 can twist the hexagonal head inside the countersunk hole, thereby improving applicability.

[0047] In the description of this utility model, it should be understood that the terms "left", "right", "up", "down", "top", "bottom", "front", "back", "inner", "outer", "back", "middle", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0048] However, the above description is only a specific embodiment of this utility model and should not be construed as limiting the scope of implementation of this utility model. Therefore, any substitution of equivalent components or equivalent changes and modifications made in accordance with the scope of protection of this utility model should still fall within the scope of the claims of this utility model.

Claims

1. A tool holder disassembly device for CNC machine tools, comprising a fixing rod (1), characterized in that: The right end of the fixed rod (1) is fixedly connected to a U-shaped frame (2), and a steering wheel (3) is provided inside the U-shaped frame (2). A polygonal connecting seat (4) is fixedly connected to the outer wall of the steering wheel (3). Multiple evenly distributed torsion columns (5) with different diameters are welded to the outer wall of the polygonal connecting seat (4). The other end of each of the multiple torsion columns (5) is provided with an internal hexagonal groove (6) of different specifications. A limiting mechanism is provided below the polygonal connector (4). The limiting mechanism includes a horizontal plate (7) provided below the polygonal connector (4). The lower end of the horizontal plate (7) passes through and is threadedly connected to a threaded column (10). The upper end of the threaded column (10) is rotatably connected to a limiting block (8). A limiting groove (9) is opened at the upper end of the limiting block (8). Magnets (12) are provided inside each of the multiple internal hexagonal slots (6).

2. The tool holder disassembly device for CNC machine tools according to claim 1, characterized in that: The outer wall of the fixing rod (1) is provided with a retaining sleeve (13), and the outer wall of the fixing rod (1) is provided with a first annular groove (14). The inner wall of the first annular groove (14) is slidably connected to a first annular slide rail (15) which is fixedly connected to the inner wall of the retaining sleeve (13). The first annular slide rail (15) and the first annular groove (14) are in clearance fit.

3. The tool holder disassembly device for CNC machine tools according to claim 1, characterized in that: The inner wall of the U-shaped frame (2) is provided with a second annular slide groove (16) on both the front and rear sides. The interior of each of the two second annular slide grooves (16) is provided with a second annular slide rail (17) that is fixedly connected to the steering wheel (3). The two second annular slide rails (17) are respectively tightly connected to the interior of the two second annular slide grooves (16).

4. The tool holder disassembly device for CNC machine tools according to claim 1, characterized in that: The lower end of the limiting block (8) is fixedly connected to two through horizontal plates (7) and slidably connected to them.

5. A tool holder disassembly device for CNC machine tools according to claim 1, characterized in that: All of the aforementioned torsion columns (5) are made of chromium vanadium steel.

6. The tool holder disassembly device for CNC machine tools according to claim 1, characterized in that: The limiting groove (9) has a V-shaped structure.

7. A tool holder and tool disassembly device for CNC machine tools according to claim 1, characterized in that: A vertical plate (18) is fixedly connected between the horizontal plate (7) and the U-shaped frame (2).

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