Ultrasonic cutting device

Abstract

The utility model relates to the technical field of ultrasonic machining, and discloses an ultrasonic cutting device which comprises an amplitude-change pole, a transducer and a cutting tool, the transducer is arranged on the amplitude-change pole, and the cutting tool is arranged at the end of the amplitude-change pole in the axial direction of the amplitude-change pole. The cutting tool comprises a clamping rod, a cutting tool bit and a tool body, the cutting tool bit is arranged at the end of the clamping rod in the axial direction, the tool body is detachably installed on the cutting tool bit, and the tool body acts on materials to conduct ultrasonic cutting machining. According to the ultrasonic cutting device, ultrasonic cutting machining of materials is achieved, the cutting efficiency and the cutting precision of the materials can be improved, notches of the materials can be smooth, and burrs and damage conditions of the materials are reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to ultrasonic vibration processing technical field more specifically, and particularly relates to an ultrasonic cutting device. BACKGROUND

[0002] Leather, plastic, nylon, fiber cotton and other materials are widely used in life, but the existing traditional cutting knife is usually used to cut these materials, and manual operation is also needed to control in the cutting process, it is difficult to achieve very accurate cutting size and shape, the cutting precision is limited, and it is difficult to meet the production requirements of fine leather products with high precision. The cutting efficiency of the traditional cutting knife is also low, the cutting edge is not sharp or the force is uneven during cutting, which can cause uneven cutting, burr and other problems, and can also cause damage to the leather. SUMMARY

[0003] The utility model discloses a kind of ultrasonic cutting devices, to improve cutting efficiency and cutting precision for the technical problems existing in prior art.

[0004] To solve the problems raised above, the technical scheme adopted by the utility model is:

[0005] The utility model provides a kind of ultrasonic cutting device, including amplitude lever, transducer and cutting tool, transducer is equipped on the amplitude lever, the end of the amplitude lever is provided with cutting tool along amplitude lever axial direction;

[0006] The cutting tool includes clamping rod, cutting tool head and tool, the end of the clamping rod is provided with cutting tool head along axial direction, cutting tool head is detachably installed tool, tool is used to carry out ultrasonic cutting processing on material.

[0007] Further, it further includes clamp, the clamp is movably connected with the cutting tool head;The clamp is provided with tool slot and forms a plurality of clamp blocks, the tool is arranged in tool slot and is clamped by the plurality of clamp blocks.

[0008] Further, it further includes positioning block, the positioning block is arranged on cutting tool head, the end of the positioning block is pressed against the surface of one of the clamp blocks, so that the surface of the remaining clamp blocks is attached to the inner side wall of the installation recess on the cutting tool head.

[0009] Further, the surface of the clamp block is formed with a planar positioning portion;The surface of the installation recess on the cutting tool head is formed with a planar portion corresponding to the planar positioning portion, and a circular arc portion is formed to connect the planar portion.

[0010] Further, the cutting tool head comprises a connecting part and a mounting part arranged along the axis in sequence, the connecting part is connected with the clamping rod, the mounting part is provided with a cutter and a positioning block, and the cross-sectional area of the connecting part perpendicular to the axis gradually increases from the clamping rod to the mounting part.

[0011] Further, the cutting tool head comprises a connecting part and a mounting part arranged along the axis in sequence, the connecting part is connected with the clamping rod, the mounting part is provided with a cutter and a positioning block, and the cross-sectional area of the connecting part perpendicular to the axis gradually increases from the clamping rod to the mounting part.

[0012] Further, the cutting tool head comprises a connecting part and a mounting part arranged along the axis in sequence, the connecting part is connected with the clamping rod, the mounting part is provided with a cutter and a positioning block, and the cross-sectional area of the connecting part perpendicular to the axis gradually increases from the clamping rod to the mounting part.

[0013] Further, the length of the amplitude lever is L1, the length of the cutting tool is L2, a=L1 / L2, and 0.8≤a≤1.5.

[0014] Further, the diameter of the amplitude lever is D1, the diameter of the transducer is D2, b=D1 / D2, and 0.3≤b≤0.8.

[0015] Further, the ultrasonic frequency is 51kHz-58kHz, and the ultrasonic amplitude is 10-30μm.

[0016] Compared with the prior art, the utility model has the advantages of:

[0017] In the utility model, the cutting tool is connected with the amplitude lever, the transducer is arranged on the amplitude lever, the ultrasonic vibration generated by the transducer is transmitted to the cutting tool through the amplitude action of the amplitude lever, the cutting tool is driven to vibrate ultrasonically and acts on the material, the ultrasonic cutting of the material is realized, the cutting efficiency and the cutting precision of the material are improved, the cutting edge of the material is flat, and the damage of the material is reduced. BRIEF DESCRIPTION OF DRAWINGS

[0018] In order to more clearly illustrate the scheme in the utility model, the following will briefly introduce the drawings needed to be used in the embodiment description, and obviously, the drawings in the following description are some embodiments of the utility model, and those skilled in the art can also obtain other drawings according to these drawings without creating labor. Among them:

[0019] Figure 1 It is the structure diagram of the ultrasonic cutting device example one in the utility model.

[0020] Figure 2 It is the front view of the ultrasonic cutting device example one in the utility model.

[0021] Figure 3 It is the structure diagram of the cutting tool in the example one in the utility model.

[0022] Figure 4 It is the sectional view of the cutting tool in the utility model example one.

[0023] Figure 5 It is the partial structure diagram of the cutting tool in the utility model example one.

[0024] Figure 6 It is the structure diagram of the cutting tool in the utility model example two.

[0025] Figure 7 It is the sectional view of the cutting tool in the utility model example two.

[0026] Wherein, 10-amplitude lever, 20-transducer, 30-cutting tool, 33-clamping rod, 34-cutting tool head, 35-tool, 36-clamp, 37-positioning block, 341-mounting groove, 342-positioning groove, 343-connection part, 344-mounting part, 38-clamping sleeve. DETAILED DESCRIPTION

[0027] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs; the terminology used in the description herein is for describing particular embodiments only and is not intended to be limiting of the application, for example, the terms "length", "width", "upper", "lower", "left", "right", "front", "rear", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like specify relative positions according to the orientations shown in the drawings and are merely used for convenience in describing specific embodiments and are in no way intended to limit the present application.

[0028] The terms "include", "has", "contains" and any variations thereof used in the specification and claims of the present application and the above description of the drawings are intended to cover the non-exclusive inclusion; the terms "first", "second" and the like used in the specification and claims of the present application or the above description of the drawings are used to distinguish different objects, not to describe a particular order. In the specification and claims of the present application and the above description of the drawings, when an element is referred to as "fixed to" or "mounted to" or "set to" or "connected to" another element, it can be directly or indirectly on the other element. For example, when an element is referred to as "connected to" another element, it can be directly or indirectly connected to the other element.

[0029] Furthermore, reference herein to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment can be included in at least one embodiment of the application. The appearances of the phrase "in an embodiment" in various places in the specification are not necessarily all referring to the same embodiment, nor are they necessarily mutually exclusive of one another. It is expressly understood that any of the embodiments described herein can be combined with any of the other embodiments unless specifically noted otherwise.

[0030] Referring to Figure 1 and Figure 2 The utility model provides an ultrasonic cutting device, including amplitude rod 10, transducer 20, cutting tool 30, be equipped with transducer 20 on amplitude rod 10, the end of amplitude rod 10 sets cutting tool 30 along the axial direction of amplitude rod 10,

[0031] The cutting tool 30 includes a clamping rod 33, a cutting bit 34, and a tool 35. The end of the clamping rod 33 is axially arranged with the cutting bit 34, and the cutting bit 34 is detachably installed with the tool 35. The ultrasonic vibration energy generated by the transducer 20 is transmitted to the clamping rod 33 and the tool 35 after the amplitude of the amplitude rod 10, so that the tool 35 performs ultrasonic cutting processing on the material.

[0032] It is understood that the amplitude rod 10, the transducer 20 and the cutting tool 30 are coaxially arranged in sequence, one end of the clamping rod 33 is connected with the amplitude rod 10, and the other end of the clamping rod 33 is coaxially arranged with the cutting bit 34, which facilitates installation and facilitates the transmission of ultrasonic amplitude to the tool 35 along the axial direction, thereby ensuring the reliability of ultrasonic cutting processing.

[0033] In an embodiment, referring to Figure 3 and Figure 4 The cutting device further includes a clamp 36 movably connected with the cutting bit 34, and the tool 35 is installed on the clamp 36. By movably arranging the clamp 36 on the cutting bit 34, the tool 35 can be conveniently installed and replaced.

[0034] Further, the cutting device further includes a positioning block 37 arranged on the cutting bit 34 for installing and positioning the clamp 36. The clamp 36 is installed reliably by the positioning block 37, that is, the positioning block 37 acts on one side surface of the clamp 36, and the other side surface of the clamp 36 is in contact with the inner side surface of the cutting bit 34, thereby ensuring the reliable installation of the tool 35, and ensuring the stability of the tool 35 during the processing of the material.

[0035] Specifically, the cutting head 34 is axially provided with a mounting groove 341 from the end of the clamping rod 33 to the opposite end, the outer circumferential surface of the cutting head 34 is radially provided with a positioning groove 342, and the mounting groove 341 is in communication with the positioning groove 342. The clamp 36 is arranged in the mounting groove 341, and the positioning block 37 is arranged in the positioning groove 342, and the end of the positioning block 37 abuts against the surface of the clamp 36, so as to fix the clamp 36. It can be understood that the cross section of the mounting groove 341 can be circular, oval, polygonal, strip-shaped or any other structure, which can realize reliable mounting and cooperation of the clamp 36 and the cutting head 34.

[0036] Further, as shown in Figures 3 to 5 The clamp 36 is provided with a tool groove and forms two symmetrical clamp blocks 36a, and the tool 35 is arranged in the tool groove and clamped by the two clamp blocks 36a. The end of the positioning block 37 abuts against the surface of one of the clamp blocks 36a, and the surface of the other clamp block 36a is in contact with the inner side wall of the mounting groove 341, so that the two clamp blocks 36a cooperate to clamp and fix the tool 35.

[0037] It can be understood that the clamp 36 can also adopt two or more clamp blocks 36a, and the plurality of clamp blocks 36a enclose a receiving cavity for mounting the tool 35. The outer periphery of the plurality of clamp blocks 36a cooperates with the mounting groove 341 of the cutting head 34, which facilitates the replacement of different clamp blocks 36a according to the thickness and structure of different tools 35, and can also realize the mounting and fixing of tools 35 of different types and different sizes. The number of clamp blocks 36a can be increased or decreased according to actual needs to expand the application range of the cutting device.

[0038] Further, Figure 5 As shown in the figure, the surface of the clamp block 36a is formed with a planar positioning portion 361, which increases the area of the cooperation surface between the positioning block 37 and the clamp block 36a, and ensures the reliable positioning cooperation between the positioning block 37 and the clamp block 36a. The clamp block 36a also cooperates with the mounting groove 341 through the planar positioning portion 361, which improves the mounting stability of the clamp 36 in the mounting groove 341, avoids sliding between the two when they cooperate with the arc surface, and affects the installation and positioning of the clamp 36. It can be understood that the top of the mounting groove 341 is in communication with the positioning groove 342, the bottom is also formed with a planar portion corresponding to the planar positioning portion 361, and the two sides are formed with a circular arc portion connecting the planar portion, which facilitates the installation and cooperation with the clamp 36.

[0039] Further, as shown in Figure 4As shown, the cutting head 34 includes a connecting portion 343 and a mounting portion 344 arranged in sequence along the axial direction, the connecting portion 343 is connected with the clamping rod 33, the mounting portion 344 is provided with the cutter 36 and the positioning block 37, and the cross-sectional area of the connecting portion 343 perpendicular to the axis gradually increases from the clamping rod 33 to the mounting portion 344.

[0040] Specifically, the diameters of the clamping rod 33 and the amplitude rod 10 are the same, the diameter of the mounting portion 344 is larger than that of the clamping rod 33, which can ensure that the ultrasonic vibration generated by the transducer 20 can be reliably transmitted to the mounting portion 344, and can also improve the adaptability of the mounting portion 344 to the cutter 36, and further ensure the reliability of the cutter 36 installation. It can be understood that the diameters of the clamping rod 33 and the amplitude rod 10 can also be adjusted according to the size of the ultrasonic frequency and the processing requirements.

[0041] In another embodiment, referring to Figure 6 and Figure 7 As shown, the cutting device further includes a clamping sleeve 38 arranged on the outer periphery of the cutting head 34 and used for mounting and positioning the cutter 35.

[0042] One end of the cutting head 34 is connected with the clamping rod 33, and the other end of the cutting head 34 is provided with the cutter 35. The end of the clamping sleeve 38 is provided with a positioning protrusion (not shown in the figure), which acts on the surface of the cutter 35 to reliably position the cutter 35.

[0043] Specifically, the cutting head 34 can be provided with a mounting groove along the axial direction, and the cutter 35 is arranged in the mounting groove. The clamping sleeve 38 can be a clamping nut, and the clamping sleeve 38 is in threaded connection with the cutting head 34, which has a simple structure, so that the clamping sleeve 38 is reliably mounted and the cutter 35 is reliably positioned by the clamping sleeve 38.

[0044] Further, the outer periphery of the cutting head 34 extends radially to form a limiting protrusion 345, and the inner surface of the clamping sleeve 38 is provided with a limiting recess corresponding to the limiting protrusion 345. The limiting protrusion 345 cooperates with the limiting recess to further ensure the reliability of the mounting cooperation between the clamping sleeve 38 and the cutting head 34.

[0045] Specifically, the diameter of the cutting head 34 gradually decreases from the clamping rod 33 to the cutter 35, and in order to facilitate the cooperation between the cutting head 34 and the clamping sleeve 38, the diameter of the clamping sleeve also gradually decreases from the clamping rod 33 to the cutter 35. The outer periphery of the clamping rod 33 is provided with a clamping groove 331, and the clamping groove 331 is arranged symmetrically along the axis to facilitate clamping the cutting device and mounting it with external equipment.

[0046] Further, the length of the amplitude horn 10 is L1, the length of the cutting tool 30 is L2, a=L1 / L2, 0.8≤a≤1.5, a can be 0.8, 0.9, 1, 1.1, 1.2, 1.3, 1.4, 1.5 or any value in the range.

[0047] Specifically, if a is too small, that is, the length of the amplitude horn 10 is too small, the transducer 20 is not easy to install, the number of piezoelectric ceramic pieces in the transducer 20 is not enough, and the required ultrasonic frequency and ultrasonic amplitude cannot be achieved, which affects the efficiency of ultrasonic cutting; if a is too large, that is, the length of the cutting tool 30 is too small, the structural rigidity of the cutting tool 30 is affected, the ultrasonic vibration energy generated by the transducer 20 is transmitted to the cutting tool 30, which also affects the rigidity of the tool 35, and further affects the reliability of ultrasonic cutting.

[0048] Further, the diameter of the amplitude horn 10 is D1, the diameter of the transducer 20 is D2, b=D1 / D2, 0.3≤b≤0.8, b can be 0.3, 0.4, 0.5, 0.6, 0.7, 0.8 or any value in the range.

[0049] Specifically, if b is too large or too small, it will affect the role of the amplitude horn 10 in amplifying the ultrasonic amplitude, which will affect the ultrasonic amplitude transmitted to the tool 35, and further affect the efficiency and performance of the tool 35 in cutting the material.

[0050] Further, the ultrasonic frequency of the ultrasonic cutting device is 51kHz-58kHz, and can be 51kHz, 52kHz, 53kHz, 55kHz, 56kHz, 57kHz, 58kHz or any value in the range, which can meet the actual needs of ultrasonic cutting.

[0051] Further, the ultrasonic amplitude of the ultrasonic cutting device is 10μm-30μm, and can be 10μm, 15μm, 20μm, 25μm, 30μm or any value in the range, which can meet the actual needs of ultrasonic cutting.

[0052] In the utility model, the ultrasonic cutting device can adopt cutting tools 30 of different structures, through cutting tool heads 34 of different structures, and setting clamps 36 or clamping sleeves 38 to fix the tools 35, the installation and positioning of tools 35 of various specifications can be met, and the application requirements of various cutting processes can be realized, and the structure is simple and the function is reliable.

[0053] The above embodiments are the preferred embodiments of the utility model, but the embodiments of the utility model are not limited by the above embodiments, any change, modification, replacement, combination, simplification made without departing from the spirit and principles of the utility model should be equivalent replacement methods, and all are included in the protection scope of the utility model.

Claims

1. An ultrasonic cutting device, characterized by: It includes an amplitude transformer, a transducer, and a cutting tool. The amplitude transformer is equipped with a transducer, and the end of the amplitude transformer is provided with a cutting tool along the axis of the amplitude transformer. The cutting tool includes a clamping rod, a cutting head, and a cutting tool. The cutting head is axially positioned at the end of the clamping rod, and the cutting tool is detachably mounted on the cutting head. The cutting tool performs ultrasonic cutting on the material.

2. The ultrasonic cutting device of claim 1, wherein: It also includes a clamp, which is movably connected to the cutting head; the clamp is provided with a tool groove and forms multiple clamp blocks, the tool is set in the tool groove and clamped by the multiple clamp blocks.

3. The ultrasonic cutting device of claim 2, wherein: It also includes a positioning block, which is disposed on the cutting head. The end of the positioning block abuts against the surface of one of the clamping blocks, so that the surface of the remaining clamping blocks fits against the inner sidewall of the mounting groove on the cutting head.

4. The ultrasonic cutting device of claim 3, wherein: The surface of the clamp block has a planar positioning portion; the surface of the cutting blade head with the mounting groove has a planar portion corresponding to the planar positioning portion, and an arc portion connecting with the planar portion.

5. The ultrasonic cutting device of claim 3, wherein: The cutting head includes a connecting part and a mounting part arranged sequentially along the axial direction. The connecting part is connected to the clamping rod, and the mounting part is provided with a cutting tool and a positioning block. The cross-sectional area of ​​the connecting part perpendicular to the axis gradually increases from the clamping rod to the mounting part.

6. The ultrasonic cutting device of claim 1, wherein: It also includes a clamping sleeve, which is disposed on the outer periphery of the cutting head and is used to install and position the cutting tool.

7. The ultrasonic cutting device of claim 6, wherein: The outer peripheral surface of the cutting head extends radially to form a limiting protrusion, and the inner surface of the clamping sleeve is provided with a limiting recess corresponding to the limiting protrusion. The end of the clamping sleeve is provided with a positioning protrusion that acts on the cutting tool.

8. The ultrasonic cutting device of claim 1, wherein: The length of the amplitude transformer is L1, the length of the cutting tool is L2, a = L1 / L2, 0.8 ≤ a ≤ 1.

5.

9. The ultrasonic cutting device of claim 1, wherein: The diameter of the amplitude transformer is D1, the diameter of the transducer is D2, b = D1 / D2, and 0.3 ≤ b ≤ 0.

8.

10. The ultrasonic cutting device of claim 1, wherein: The ultrasonic frequency is 51kHz to 58kHz, and the ultrasonic amplitude is 10μm to 30μm.

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