Diamond micro-cutting knife with blade convenient to replace

Abstract

The utility model belongs to the field of diamond micro-cutting knives, and particularly relates to a diamond micro-cutting knife with a blade convenient to replace, which comprises a device main body, the inner wall of the device main body is connected with a cutting knife body in a sliding mode, and a fixing device is arranged on the inner wall of the device main body. The two ends of the reed are fixedly connected with the inner wall of the device body, the upper surface of the reed is fixedly connected with the bottom face of a fixing block, and the inner wall of the fixing block is slidably connected with the inner wall of the device body. According to the diamond micro-cutting knife with the blade convenient to replace, through the arranged fixing device, when all cutting knife bodies need to be replaced, a rotating column is rotated through a rotating rod, so that the rotating column pulls a connecting plate to move downwards through a guide rod, and the connecting plate pushes a control block to move downwards through a fixing rod; and the control block pushes the multiple fixing blocks to move downwards, fixing of the cutting knife bodies is relieved, and therefore the multiple cutting knife bodies can be replaced conveniently, and the speed of replacing the cutting knife bodies is increased.

Description

Technical Field

[0001] The utility model relates to the technical field of diamond micro-cutting knives, in particular to a diamond micro-cutting knives with easy replacement of blades. Background Art

[0002] Diamond micro-cutting knife, also known as V-CUT knife or PCB-CUT micro-cutting knife, is a kind of tool mainly used to cut V-shaped grooves on printed circuit boards. It helps users to open the PCB board more easily after inserting electronic components. This kind of tool may be made of different materials, such as diamond or tungsten steel, to meet different cutting needs. Diamond micro-cutting knife is particularly suitable for occasions requiring high-precision and high-efficiency cutting due to its high hardness and wear resistance.

[0003] At present, in the prior art, during the cutting process, in the long-term use process, all the blades of the diamond micro-cutting knife will be greatly worn, so that all the blades need to be replaced. However, the process required to replace all the blades is relatively complicated and takes a long time. In view of this, we propose a diamond micro-cutting knife that is easy to replace the blades. Utility Model Content

[0004] The main purpose of the utility model is to provide a diamond micro-cutting knife with easy replacement of blades, which can solve the problems raised in the above technical background.

[0005] To achieve the above-mentioned purpose, the utility model proposes a diamond micro-cutting knife that is easy to replace the blade, including a device body, the inner wall of the device body is slidably connected with a cutting knife body, the inner wall of the device body is provided with a fixing device, and the fixing device includes:

[0006] The reed has two ends fixedly connected to the inner wall of the device body, the upper surface of the reed is fixedly connected to the bottom surface of the fixed block, and the inner wall of the fixed block is slidably connected to the inner wall of the device body.

[0007] Preferably, a fixing groove matching with the surface of the cutting blade body is formed on the surface of the fixing block, a pressing rod is fixedly connected to the upper surface of the fixing block, and the surface of the pressing rod is slidably connected to the inner wall of the device body.

[0008] Preferably, the surface of the fixing block is slidably connected to a control block, and the surface of the control block is slidably connected to an inner wall of the device body.

[0009] Preferably, the surface of the control block is fixedly connected to one end of the fixing rod, the other end of the fixing rod is fixedly connected to the surface of the connecting plate, the upper surface of the connecting plate is fixedly connected to one end of the spring, and the other end of the spring is fixedly connected to the inner wall of the device body.

[0010] Preferably, an inclined groove is provided on the surface of the connecting plate, and the inner wall of the inclined groove is slidably connected with a guide rod, the surface of the guide rod is fixedly connected to the surface of the rotating column, the surface of the rotating column is sleeved with the inner wall of the connecting plate, the bottom surface of the rotating column is rotatably connected to the inner wall of the device body, and the surface of the rotating column is fixedly connected to the surface of the rotating rod.

[0011] Preferably, the device body comprises a shell, an upper surface of which is fixedly connected with an interface, and a surface of the shell is provided with an arc-shaped groove.

[0012] Preferably, the cutting blade body comprises a diamond blade, the surface of the diamond blade is fixedly connected to the surface of a blade rod, and a hook is fixedly connected to the bottom surface of the blade rod.

[0013] Preferably, the surface of the fixing block is provided with a slope which matches the hook.

[0014] The beneficial effects of the present application are: the utility model provides a diamond micro-cutting knife with easy blade replacement. It has the following beneficial effects:

[0015] (1) The diamond micro-cutting knife with easy blade replacement has a fixing device. When all the cutting knife bodies need to be replaced, the rotating column is rotated by the rotating rod, so that the rotating column pulls the connecting plate downward through the guide rod, so that the connecting plate pushes the control block downward through the fixing rod, so that the control block pushes multiple fixing blocks to move downward, thereby releasing the fixing of the cutting knife bodies, thereby facilitating the replacement of multiple cutting knife bodies, thereby improving the speed of replacing the cutting knife bodies.

[0016] (2) The diamond micro-cutting knife with easy blade replacement has a fixed block. When a single cutting blade body needs to be replaced, the pressing rod is pressed so that the pressing rod pushes the fixed block downward, so that the fixed block releases the fixation of the cutting blade body. At this time, the cutting blade body is pulled out and replaced with a new cutting blade body. When the new cutting blade body is inserted, the surface of the hook presses the surface of the fixed block, so that the fixed block moves downward. When the cutting blade body is installed in place, the fixed block moves upward to fix the cutting blade body. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] The drawings described herein are used to provide a further understanding of the present application and constitute a part of the present application. The illustrative embodiments of the present application and their descriptions are used to explain the present application and do not constitute an improper limitation on the present application. In the drawings:

[0018] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0019] Figure 2 This is a schematic diagram of the overall cross-sectional structure of the utility model;

[0020] Figure 3 This is a schematic diagram of the structure of the fixing device of the utility model;

[0021] Figure 4 This is a schematic diagram of the cross-sectional structure of the fixing device of the utility model;

[0022] Figure 5 This is a schematic diagram of the cutting knife structure of the utility model.

[0023] In the accompanying drawings, 1. device body; 2. cutting blade body; 3. fixing device; 101. housing; 102. interface; 103. arc groove; 201. diamond blade; 202. knife rod; 203. hook; 301. spring; 302. fixing block; 303. fixing groove; 304. pressing rod; 305. control block; 307. fixing rod; 309. connecting plate; 310. spring; 311. inclined slide groove; 312. guide rod; 313. rotating column; 314. rotating rod. DETAILED DESCRIPTION

[0024] The following will disclose multiple embodiments of the present invention with drawings. For the purpose of clear description, many practical details will be described together in the following description. However, it should be understood that these practical details should not be used to limit the present invention. In other words, in some embodiments of the present invention, these practical details are not necessary. In addition, in order to simplify the drawings, some conventional structures and parts will be depicted in a simple schematic manner in the drawings.

[0025] It should be noted that all directional indications such as up, down, left, right, front, back... in the embodiments of the present invention are only used to explain the relative position relationship, movement status, etc. between the components in a certain specific posture as shown in the accompanying drawings. If the specific posture changes, the directional indication will also change accordingly.

[0026] In addition, in the present utility model, the descriptions of "first", "second", etc. are only used for descriptive purposes, and do not specifically refer to the order or sequence, nor are they used to limit the present utility model. They are only used to distinguish between parts or operations described with the same technical terms, and cannot be understood as indicating or implying their relative importance or implicitly indicating the number of technical features indicated. Therefore, the features defined as "first" and "second" may explicitly or implicitly include at least one of the features. In addition, the technical solutions between the various embodiments can be combined with each other, but they must be based on the ability of ordinary technicians in this field to implement them. When the combination of technical solutions is contradictory or cannot be implemented, it should be deemed that such a combination of technical solutions does not exist and is not within the scope of protection required by the present utility model.

[0027] In order to further understand the content, features and effects of the utility model, the following embodiments are given as examples and described in detail with reference to the accompanying drawings:

[0028] See also Figure 1-Figure 5 The utility model provides a diamond micro-cutting knife for easy replacement of blades, including a device body 1, the device body 1 includes a shell 101, the upper surface of the shell 101 is fixedly connected with an interface 102, the surface of the shell 101 is provided with an arc groove 103, the inner wall of the device body 1 is slidably connected with a cutting body 2, the cutting body 2 includes a diamond blade 201, the surface of the diamond blade 201 is fixedly connected to the surface of a knife rod 202, and the bottom surface of the knife rod 202 is fixedly connected with a hook 203.

[0029] During the use of the utility model, the inner wall of the device body 1 is provided with a fixing device 3. Through the fixing device 3, when all the cutting blade bodies 2 need to be replaced, the rotating column 313 is rotated by the rotating rod 314, so that the rotating column 313 pulls the connecting plate 309 downward through the guide rod 312, so that the connecting plate 309 pushes the control block 305 downward through the fixing rod 307, so that the control block 305 pushes multiple fixing blocks 302 to move downward, and the fixing of the cutting blade bodies 2 is released, so that it is convenient to replace multiple cutting blade bodies 2, thereby improving the speed of changing the cutting blade bodies 2. The fixing device 3 includes: a spring The spring sheet 301 has two ends fixedly connected to the inner wall of the device body 1, the upper surface of the spring sheet 301 is fixedly connected to the bottom surface of the fixed block 302, the surface of the fixed block 302 is provided with a slope matched with the hook 203, the inner wall of the fixed block 302 is slidably connected to the inner wall of the device body 1, the surface of the fixed block 302 is provided with a fixing groove 303 matched with the surface of the cutting blade body 2, and the upper surface of the fixed block 302 is fixedly connected with a pressing rod 304. Through the set fixed block 302, when a single cutting blade body 2 needs to be replaced, the pressing rod 304 is pressed, so that the pressing rod 304 pushes the fixed block 302 to move downward. The fixing block 302 releases the fixing of the cutting blade body 2. At this time, the cutting blade body 2 is pulled out and replaced with a new cutting blade body 2. When the new cutting blade body 2 is inserted, the surface of the hook 203 presses the surface of the fixing block 302, so that the fixing block 302 moves downward. When the cutting blade body 2 is installed in place, the fixing block 302 moves upward to fix the cutting blade body 2. The surface of the pressing rod 304 is slidably connected to the inner wall of the device body 1. The surface of the fixing block 302 is slidably connected to the control block 305. The surface of the control block 305 is slidably connected to the inner wall of the device body 1. The surface of the control block 305 is fixed to one end of the fixing rod 307 The other end of the fixing rod 307 is fixedly connected to the surface of the connecting plate 309, the upper surface of the connecting plate 309 is fixedly connected to one end of the spring 310, the other end of the spring 310 is fixedly connected to the inner wall of the device body 1, the surface of the connecting plate 309 is provided with an inclined groove 311, the inner wall of the inclined groove 311 is slidably connected with a guide rod 312, the surface of the guide rod 312 is fixedly connected to the surface of the rotating column 313, the surface of the rotating column 313 is sleeved with the inner wall of the connecting plate 309, the bottom surface of the rotating column 313 is rotatably connected to the inner wall of the device body 1, and the surface of the rotating column 313 is fixedly connected to the surface of the rotating rod 314.

[0030] When the cutting blade 2 is in operation, the rotating column 313 is rotated by the rotating rod 314, so that the rotating column 313 pulls the connecting plate 309 downward through the guide rod 312, so that the connecting plate 309 pushes the control block 305 downward through the fixing rod 307, so that the control block 305 pushes multiple fixing blocks 302 to move downward, and releases the fixing of the cutting blade 2. When a single cutting blade 2 needs to be replaced, the pressing rod 304 is pressed, so that the pressing rod 304 pushes the fixing block 302 to move downward, so that the fixing block 302 releases the fixing of the cutting blade 2. At this time, the cutting blade 2 is pulled out and replaced with a new cutting blade 2. When the new cutting blade 2 is inserted, the surface of the hook 203 squeezes the surface of the fixing block 302, so that the fixing block 302 moves downward. When the cutting blade 2 is installed in place, the fixing block 302 moves upward to fix the cutting blade 2.

[0031] The above description is only an embodiment of the present invention and is not intended to limit the present invention. For those skilled in the art, the present invention may have various modifications and variations. Any modification, equivalent substitution, improvement, etc. made within the spirit and principle of the present invention shall be included in the scope of the claims of the present invention.

Claims

1. A diamond micro-cutting knife with easy blade replacement, comprising a device body (1), characterized in that: The inner wall of the device body (1) is slidably connected to a cutting blade body (2), and the inner wall of the device body (1) is provided with a fixing device (3), and the fixing device (3) comprises: A reed (301), wherein both ends of the reed (301) are fixedly connected to the inner wall of the device body (1), the upper surface of the reed (301) is fixedly connected to the bottom surface of the fixed block (302), and the inner wall of the fixed block (302) is slidably connected to the inner wall of the device body (1).

2. The diamond micro-cutting knife with easy blade replacement according to claim 1, characterized in that: The surface of the fixing block (302) is provided with a fixing groove (303) that matches the surface of the cutting blade body (2), and the upper surface of the fixing block (302) is fixedly connected to a pressing rod (304), and the surface of the pressing rod (304) is slidably connected to the inner wall of the device body (1).

3. The diamond micro-cutting knife with easy blade replacement according to claim 2, characterized in that: The surface of the fixing block (302) is slidably connected to a control block (305), and the surface of the control block (305) is slidably connected to the inner wall of the device body (1).

4. The diamond micro-cutting knife with easy blade replacement according to claim 3, characterized in that: The surface of the control block (305) is fixedly connected to one end of a fixing rod (307), the other end of the fixing rod (307) is fixedly connected to the surface of a connecting plate (309), the upper surface of the connecting plate (309) is fixedly connected to one end of a spring (310), and the other end of the spring (310) is fixedly connected to the inner wall of the device body (1).

5. The diamond micro-cutting knife with easy blade replacement according to claim 4, characterized in that: The surface of the connecting plate (309) is provided with an inclined groove (311), the inner wall of the inclined groove (311) is slidably connected with a guide rod (312), the surface of the guide rod (312) is fixedly connected to the surface of the rotating column (313), the surface of the rotating column (313) is sleeved with the inner wall of the connecting plate (309), the bottom surface of the rotating column (313) is rotatably connected to the inner wall of the device body (1), and the surface of the rotating column (313) is fixedly connected to the surface of the rotating rod (314).

6. The diamond micro-cutting knife with easy blade replacement according to claim 1, characterized in that: The device body (1) comprises a shell (101), an interface (102) is fixedly connected to the upper surface of the shell (101), and an arc-shaped groove (103) is provided on the surface of the shell (101).

7. The diamond micro-cutting knife with easy blade replacement according to claim 1, characterized in that: The cutting blade body (2) comprises a diamond blade (201), the surface of the diamond blade (201) is fixedly connected to the surface of a blade rod (202), and the bottom surface of the blade rod (202) is fixedly connected to a hook (203).

8. The diamond micro-cutting knife with easy blade replacement according to claim 2, characterized in that: The surface of the fixing block (302) is provided with a slope which matches with the hook (203).

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