Anti-vibration cutter handle for numerical control machine tool

Abstract

The utility model relates to the technical field of numerical control machine tools, and discloses an anti-shock cutter handle for a numerical control machine tool, which comprises a cutter handle main body, a first through hole is arranged in the cutter handle main body, a threaded limiting cylinder is arranged on the inner top wall of the first through hole, and an annular limiting hole communicated with the first through hole is arranged in the cutter handle main body. A cutter with one end extending to the bottom of the cutter handle body is arranged on the inner wall of the threaded limiting cylinder, and an anti-vibration assembly tightly attached to the outer portion of the cutter is arranged at the bottom of the cutter handle body. According to the anti-shock cutter handle for the numerical control machine tool, the limiting clamping assembly is arranged, a threaded rod is rotated to drive an upper threaded block and a lower threaded block to move relatively, and under the cooperative use of the upper threaded block, the lower threaded block, a connecting rod and clamping plates, the left clamping plate and the right clamping plate move relatively to be clamped and limited with a cutter, and looseness caused by connection between the cutter and a threaded limiting cylinder is avoided; and the practicability of the device is further improved, and workers can use the device conveniently.

Description

Technical Field

[0001] The utility model relates to the technical field of numerical control machine tools, in particular to a vibration-resistant tool handle for numerical control machine tools. Background Art

[0002] In the process of using machine tools for processing, difficult processing conditions such as deep holes and deep grooves are often encountered. Under these conditions, the processing tool is required to have a large aspect ratio. Tools with too large an aspect ratio are very likely to vibrate during high-speed rotation. Vibration will affect processing efficiency and processing quality. At the same time, vibration will also cause the tool connection to loosen, affecting the use of the tool. Therefore, a vibration-resistant tool holder for CNC machine tools is proposed to solve the above-mentioned technical problems. Utility Model Content

[0003] 1. Technical issues to be resolved

[0004] In view of the deficiencies in the prior art, the utility model provides a vibration-resistant tool holder for CNC machine tools, which has the advantages of reducing tool vibration and preventing tool loosening, etc., and solves the problem that difficult processing conditions such as deep holes and deep grooves are often encountered during processing using machine tools. Under these conditions, the processing tool is required to have a large aspect ratio. Tools with too large an aspect ratio are very likely to vibrate during high-speed rotation, and the vibration will affect the processing efficiency and processing quality. At the same time, the vibration will also cause the tool connection to loosen, affecting the use of the tool.

[0005] (II) Technical solution

[0006] In order to achieve the above-mentioned purpose of reducing tool vibration and avoiding tool loosening, the utility model provides the following technical solutions: an anti-vibration tool handle for a CNC machine tool, comprising a tool handle body, a first through hole is arranged inside the tool handle body, a threaded limiting cylinder is arranged on the inner top wall of the first through hole, an annular limiting hole communicating with the first through hole is arranged inside the tool handle body, a tool having one end extending to the bottom of the tool handle body is arranged on the inner wall of the threaded limiting cylinder, an anti-vibration component tightly fitted with the outside of the tool is arranged on the bottom of the tool handle body, a limiting clamping component having one end extending to the bottom of the tool handle body is arranged on the inner top wall of the annular limiting hole, and the number of the limiting clamping components is two and they are symmetrically distributed;

[0007] The anti-vibration assembly includes a fixing ring, the bottom of the handle body is provided with a fixing ring, the tool passes through the fixing ring, the outside of the fixing ring is provided with a fastening bolt with one end extending to the inside thereof, the number of the fastening bolts is three and they are distributed in a circular shape with equal distances, and the fastening bolts are tightly fitted with the outer wall of the tool;

[0008] The limit clamping assembly includes a threaded rod, and the inner top wall of the annular limit hole is provided with a threaded rod with one end extending to the bottom of the tool handle body. The number of the threaded rods is two and they are respectively located on the tool, and the outside of a single threaded rod is provided with two threaded blocks which are symmetrically distributed in the upper and lower parts, and the inner wall of the annular limit hole is provided with two clamping plates which are symmetrically distributed in the left and right parts, and the opposite sides of the two clamping plates are respectively connected to the left and right side walls of the tool, and the opposite sides of the left and right threaded blocks are provided with connecting rods which are respectively hinged to the back sides of the two clamping plates.

[0009] Preferably, circular knobs are fixedly connected to the opposite sides of the left and right fastening bolts and the bottoms of the two threaded rods.

[0010] Preferably, both left and right side walls of the tool are provided with a clamping groove matched with the clamping plate.

[0011] Preferably, the inner wall of the annular limiting hole is connected to a moving groove which is provided on the tool handle body and is adapted to the moving track of the clamping plate.

[0012] Preferably, the outside of the threaded rod is provided with two sections of threads in opposite directions, and the two sections of threads are equal in length.

[0013] (III) Beneficial effects

[0014] Compared with the prior art, the utility model provides a vibration-resistant tool holder for CNC machine tools, which has the following beneficial effects:

[0015] 1. The anti-vibration tool holder for CNC machine tools is provided with an anti-vibration component, the tool is mounted on the tool holder body, and then three fastening bolts are rotated to limit and fix the tool, thereby increasing its fixing range. Through the cooperation of the fastening bolts and the tool, the vibration generated when the tool is working can be reduced, thereby improving the practicality of the device.

[0016] 2. The anti-vibration tool holder for CNC machine tools is provided with a limit clamping assembly. The rotating threaded rod drives the upper and lower threaded blocks to move relative to each other. With the coordinated use of the upper and lower threaded blocks, the connecting rod and the clamping plate, the left and right clamping plates are allowed to move relative to each other and limit the tool clamping, thereby avoiding loosening of the connection between the tool and the threaded limit cylinder, and further improving the practicability of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a front view cross-sectional schematic diagram of the utility model;

[0018] Figure 2 For this utility model Figure 1 Enlarged schematic diagram at point A in the middle.

[0019] In the figure: 1. tool handle body; 2. first through hole; 3. annular limit hole; 4. threaded limit cylinder; 5. tool; 6. anti-vibration component; 61. fixing ring; 62. fastening bolt; 7. limit clamping component; 71. threaded rod; 72. threaded block; 73. connecting rod; 74. clamping plate. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in 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.

[0021] See also Figure 1-2 A seismic-resistant tool handle for a numerically controlled machine tool comprises a tool handle body 1, a first through hole 2 is provided inside the tool handle body 1, a threaded limiting cylinder 4 is fixedly connected to the inner top wall of the first through hole 2, an annular limiting hole 3 communicating with the first through hole 2 is provided inside the tool handle body 1, a tool 5 having one end extending to the bottom of the tool handle body 1 is threadedly connected to the inner wall of the threaded limiting cylinder 4, a seismic-resistant component 6 tightly fitted to the outside of the tool 5 is fixedly connected to the bottom of the tool handle body 1, the seismic-resistant component 6 comprises a fixing ring 61, a fixing ring 61 is fixedly connected to the bottom of the tool handle body 1, the tool 5 passes through the fixing ring 61, a fastening bolt 62 having one end extending to the inside thereof is threadedly connected to the outer surface of the fixing ring 61, the number of the fastening bolts 62 is three and they are equidistantly distributed in a ring shape, and the fastening bolts 62 are tightly fitted to the outer wall of the tool 5.

[0022] The inner top wall of the annular limiting hole 3 is movably connected to a limiting clamping assembly 7 having one end extending to the bottom of the handle body 1. The number of limiting clamping assemblies 7 is two and they are symmetrically distributed on the left and right. The limiting clamping assembly 7 includes a threaded rod 71. The inner top wall of the annular limiting hole 3 is rotatably connected to a threaded rod 71 having one end extending to the bottom of the handle body 1. The outside of the threaded rod 71 is provided with two sections of threads in opposite directions. The two sections of threads are equal in length. Circular knobs are fixedly connected to the opposite sides of the left and right fastening bolts 62 and the bottoms of the two threaded rods 71. The number of threaded rods 71 ​​is two and they are respectively located on the tool 5. A single thread The external thread of the threaded rod 71 is connected to two threaded blocks 72 which are symmetrically distributed in the upper and lower parts. The inner wall of the annular limiting hole 3 is slidably connected to two clamping plates 74 which are symmetrically distributed in the left and right parts. The inner wall of the annular limiting hole 3 is connected to a moving groove which is provided on the tool handle body 1 and is adapted to the moving trajectory of the clamping plate 74. The left and right side walls of the tool 5 are provided with clamping grooves adapted to the clamping plates 74. The opposite sides of the two clamping plates 74 are respectively clamped with the left and right side walls of the tool 5. The opposite sides of the left and right threaded blocks 72 are hinged with connecting rods 73 which are respectively hinged to the back sides of the two clamping plates 74.

[0023] It is worth noting that the standard parts used in this application document can all be purchased from the market, and the specific connection methods of each part are connected by conventional means such as mature bolts, rivets, welding, etc. in the prior art, and the machinery, parts and equipment all adopt conventional models in the prior art, and the circuit connection adopts the conventional connection method in the prior art. The contents not described in detail in the description belong to the prior art known to professional and technical personnel in this field and will not be described in detail here.

[0024] In summary, the anti-vibration toolholder for the CNC machine tool is provided with an anti-vibration component 6, the tool 5 is installed on the toolholder body 1, and then the three fastening bolts 62 are rotated to limit and fix the tool 5, thereby increasing its fixing range. Through the cooperation of the fastening bolts 62 and the tool 5, the vibration generated when the tool 5 is working can be reduced, thereby improving the practicality of the device. By providing a limit clamping component 7, the threaded rod 71 is rotated to drive the upper and lower threaded blocks 72 to move relative to each other. Under the cooperation of the upper and lower threaded blocks 72, the connecting rod 73 and the clamping plate 74, the left and right clamping plates 74 are relatively moved and clamped and limited with the tool 5, thereby avoiding the loosening of the connection between the tool 5 and the threaded limit cylinder 4, thereby further improving the practicality of the device, and solving the problem that the working conditions that are difficult to process, such as deep holes and deep grooves, are often encountered in the process of using the machine tool for processing. Under these working conditions, the length-to-diameter ratio of the processing tool is required to be large. The tool with an excessively large length-to-diameter ratio is very likely to vibrate during high-speed rotation, and the vibration will affect the processing efficiency and processing quality. At the same time, the vibration will also cause the connection of the tool to loosen, thereby affecting the use of the tool.

[0025] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, the elements defined by the sentence "comprise a ..." do not exclude the existence of other identical elements in the process, method, article or device including the elements.

[0026] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A vibration-resistant toolholder for a numerically controlled machine tool, comprising a toolholder body (1), characterized in that: The handle body (1) is provided with a first through hole (2) inside, the inner top wall of the first through hole (2) is provided with a threaded limiting cylinder (4), the handle body (1) is provided with an annular limiting hole (3) communicating with the first through hole (2), the inner wall of the threaded limiting cylinder (4) is provided with a tool (5) with one end extending to the bottom of the handle body (1), the bottom of the handle body (1) is provided with an anti-vibration component (6) tightly fitted with the outside of the tool (5), the inner top wall of the annular limiting hole (3) is provided with a limiting clamping component (7) with one end extending to the bottom of the handle body (1), and the number of the limiting clamping components (7) is two and they are symmetrically distributed. The anti-vibration component (6) comprises a fixing ring (61), the fixing ring (61) is arranged at the bottom of the handle body (1), the tool (5) passes through the fixing ring (61), and a fastening bolt (62) is arranged outside the fixing ring (61) with one end extending to the inside thereof, the number of the fastening bolts (62) is three and they are distributed in a circular shape with equal distances, and the fastening bolts (62) are tightly fitted to the outer wall of the tool (5); The position-limiting clamping assembly (7) comprises a threaded rod (71), the inner top wall of the annular position-limiting hole (3) is provided with a threaded rod (71) with one end extending to the bottom of the tool handle body (1), the number of the threaded rods (71) is two and they are respectively located on the tool (5), the outside of a single threaded rod (71) is provided with two threaded blocks (72) which are symmetrically distributed in the upper and lower directions, the inner wall of the annular position-limiting hole (3) is provided with two clamping plates (74) which are symmetrically distributed in the left and right directions, the opposite sides of the two clamping plates (74) are respectively connected to the left and right side walls of the tool (5), and the opposite sides of the left and right threaded blocks (72) are provided with connecting rods (73) which are respectively hinged to the back sides of the two clamping plates (74).

2. The anti-vibration tool holder for CNC machine tools according to claim 1, characterized in that: Circular knobs are fixedly connected to the opposite sides of the left and right fastening bolts (62) and the bottoms of the two threaded rods (71).

3. The anti-vibration tool holder for CNC machine tools according to claim 1, characterized in that: The left and right side walls of the cutter (5) are both provided with a clamping groove matched with the clamping plate (74).

4. The anti-vibration tool holder for CNC machine tools according to claim 1, characterized in that: The inner wall of the annular limiting hole (3) is connected to a moving groove which is provided on the handle body (1) and matches the moving track of the clamping plate (74).

5. The anti-vibration tool holder for CNC machine tools according to claim 1, characterized in that: The threaded rod (71) is provided with two sections of threads in opposite directions on the outside, and the two sections of threads are equal in length.

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