Cutter with cutter head convenient to replace for spring coiling machine

Abstract

The utility model discloses a spring coiling machine cutter convenient to replace cutter bit, which comprises a base and a cutter bit, one end of the base is provided with a deformation gap arranged along the center line, one side of the base is provided with a limit groove arranged along the center line, the section of the limit groove is a right trapezoid, and the deformation gap is communicated with the limit groove. A clamping bolt vertically penetrating through the deformation gap is arranged at one end of the base; the tool bit comprises a limiting end and a tool body end, the shape of the limiting end is matched with that of the limiting groove, and the limiting end stretches into the limiting groove and then clamps and fixes the tool bit through a clamping bolt; according to the tool, improvement is conducted on the basis of an existing tool, detachable connection of the tool bit and the clamping installation part is achieved, the clamping installation part can be repeatedly used only by replacing different tool bits, and the manufacturing cost of the tool is reduced.

Description

Technical Field

[0001] This utility model relates to the field of spring manufacturing technology, and in particular to a cutting tool for spring coiling machines that allows for easy replacement of the cutting head. Background Technology

[0002] In the spring production process, cutting tools are commonly used components. After the spring is coiled, the cutting tool is moved towards the spring by the drive mechanism on the spring coiling machine. Since different cutting tools correspond to different springs, the cutting tools need to be replaced. The existing cutting tools are of one-piece structure, and the clamping and mounting parts of the cutting tool are clamped and fixed by the clamping device on the drive mechanism. Therefore, different cutting tools need to be manufactured. The clamping and mounting parts on the cutting tool cannot be reused, which increases the manufacturing cost of the tool. Utility Model Content

[0003] The technical problem to be solved by this utility model is that the clamping and mounting parts on the existing one-piece cutting knife cannot be reused, which increases the manufacturing cost.

[0004] To solve the above-mentioned technical problems, the present invention provides a technical solution: a tool for a spring coiling machine with an easy-to-change cutter head, comprising a base and a cutter head, characterized in that: one end of the base is provided with a deformation gap along the center line, one side of the base is provided with a limiting groove along the center line, the cross section of the limiting groove is a right trapezoid, the deformation gap communicates with the limiting groove, and one end of the base is provided with a clamping bolt that perpendicularly penetrates the deformation gap;

[0005] The cutter head includes a limiting end and a cutter body end. The shape of the limiting end matches the limiting groove. After the limiting end extends into the limiting groove, the cutter head is clamped and fixed by clamping bolts.

[0006] Furthermore, the limiting groove is a through groove.

[0007] Furthermore, the base is provided with a strip-shaped through hole.

[0008] The beneficial effects of this utility model are as follows:

[0009] 1. This application improves upon existing cutting tools by enabling a detachable connection between the cutting head and the clamping and mounting part. The clamping and mounting part can be reused simply by replacing different cutting heads, thereby reducing the manufacturing cost of the cutting tool.

[0010] 2. In this application, the base at the deformation gap deforms under the action of the clamping bolts to clamp the cutter head in the limiting groove. Both the deformation gap and the limiting groove are set along the centerline to ensure uniform deformation and stable force during clamping. The cross-section of the limiting groove is a right trapezoid to ensure clamping stability and prevent the cutter head from falling off accidentally. The cutter head includes a limiting end and a cutter body end. The size of the limiting end matches that of the limiting groove, which makes it easy to adjust the length of the limiting end extending into the groove according to the usage.

[0011] 3. In this application, the limiting groove is a through groove, which facilitates processing. When replacing the cutter head, after loosening the clamping bolt, the cutter head can automatically fall down along the limiting groove with the limiting end of the cutter head facing downwards, so that the cutter head can automatically fall off. This also prevents the cutter body end from falling downwards and being damaged by impact. The base is provided with a strip-shaped through hole to reduce the weight of the base and facilitate operation and use.

[0012] To make the above and other objects, features and advantages of this utility model more apparent and understandable, preferred embodiments are described below in detail with reference to the accompanying drawings. Attached Figure Description

[0013] To more clearly illustrate the technical solutions in this utility model or the prior art, the drawings used in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only three of the drawings in this utility model. For those skilled in the art, other drawings can be obtained from these drawings without creative effort.

[0014] Figure 1 This is a schematic diagram of the structure of this application. Figure 1 .

[0015] Figure 2 This is a schematic diagram of the structure of this application. Figure 2 .

[0016] Figure 3 This is a top view of the base.

[0017] In the figure, 1-base, 2-cutter head, 3-deformation gap, 4-limiting groove, 5-clamping bolt, 6-strip through hole; 21-limiting end, 22-cutter body end. Detailed Implementation

[0018] Embodiments of the present invention will now be described in more detail with reference to the accompanying drawings. While some embodiments of the present invention are shown in the drawings, it should be understood that the present invention can be implemented in various forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided to provide a more thorough and complete understanding of the present invention. It should be understood that the accompanying drawings and embodiments of the present invention are for illustrative purposes only and are not intended to limit the scope of protection of the present invention.

[0019] It should be understood that the steps described in the method embodiments of this utility model may be performed in different orders and / or in parallel. Furthermore, the method embodiments may include additional steps and / or omit the steps shown. The scope of this utility model is not limited in this respect.

[0020] The names of the messages or information exchanged between the multiple devices in this embodiment of the invention are for illustrative purposes only and are not intended to limit the scope of these messages or information. Example 1

[0021] like Figures 1-3 As shown, a tool for a spring coiling machine with easily replaceable cutter heads includes a base 1 and a cutter head 2. One end of the base 1 is provided with a deformation gap 3 along the centerline, and the height of the deformation gap 3 is within 1 / 3-1 / 4 of the height of the base 1, preferably 1 / 3. One side of the base 1 is provided with a limiting groove 4 along the centerline, and the cross-section of the limiting groove 4 is a right trapezoid. The deformation gap 3 communicates with the limiting groove 4. One end of the base 1 is provided with a clamping bolt 5 that vertically penetrates the deformation gap 3. This application improves upon existing tools by adding the limiting groove 4, the deformation gap 3, and the clamping bolt 5, realizing a detachable connection between the cutter head 2 and the clamping mounting part. Only different cutter heads 2 need to be replaced to achieve reuse of the clamping mounting part, reducing the manufacturing cost of the tool.

[0022] The cutter head 2 includes a limiting end 21 and a cutter body end 22. The shape of the limiting end 21 matches the limiting groove 4. After the limiting end 21 extends into the limiting groove 4, the cutter head 2 is clamped and fixed by the clamping bolt 5. The base 1 at the deformation gap 3 deforms under the action of the clamping bolt 5 to clamp the cutter head 2 in the limiting groove 4. Both the deformation gap 3 and the limiting groove 4 are set along the centerline to ensure uniform deformation and stable force during clamping. The cross section of the limiting groove 4 is a right trapezoid to ensure clamping stability and prevent the cutter head 2 from falling off accidentally. The cutter head 2 includes a limiting end 21 and a cutter body end 22. The size of the limiting end 21 matches the limiting groove 4, which makes it easy to adjust the length of the limiting end 21 according to the usage. Example 2

[0023] like Figure 1-2 As shown, this embodiment is obtained by adding technical features such as the strip-shaped through hole 6 on the basis of embodiment one. The other technical features are the same as those in embodiment one. The similarities will not be repeated here. The difference between this embodiment and embodiment one is that the limiting groove 4 is a through groove; and the base 1 is provided with a strip-shaped through hole 6.

[0024] In this embodiment, the limiting groove 4 is a through groove, which facilitates processing. When replacing the cutter head 2, after loosening the clamping bolt 5, the cutter head 2 can automatically fall down along the limiting groove 4, and the limiting end 21 of the cutter head 2 faces downward, so that the cutter head 2 can automatically fall off. It also prevents the cutter body end 22 from falling downward and being damaged by impact. The base 1 is provided with a strip-shaped through hole 6, which reduces the weight of the base 1 and facilitates operation and use.

[0025] The process of using the overall technical solution formed by the above embodiments is as follows: Since the base 1 is obtained by adding a limiting groove 4, a deformation gap 3, and a clamping bolt 5 to the existing clamping and mounting part of the cutting knife, the connection between the base 1 and the drive mechanism is the same as that in the prior art, and will not be described in this application. Only the disassembly process of the blade head 2 is described: After removing the base 1 from the drive mechanism, the limiting end 21 of the blade head 2 is placed downwards on the table or in hand. After loosening the clamping bolt 5, the blade head 2 automatically slides down along the limiting groove 4. Then, select the desired blade head 2, insert the limiting end 21 of the blade head 2 into the limiting groove 4, adjust the insertion distance of the limiting end 21 by hand, and clamp the blade head 2 by clamping the clamping bolt 5 to complete the replacement of the blade head 2.

[0026] Note that the above description is merely a preferred embodiment of the present invention and the technical principles employed. Those skilled in the art will understand that the present invention is not limited to the specific embodiments described herein, and various obvious changes, readjustments, and substitutions can be made without departing from the scope of protection of the present invention. Therefore, although the present invention has been described in detail through the above embodiments, the present invention is not limited to the above embodiments. Many other equivalent embodiments may be included without departing from the concept of the present invention, and the scope of the present invention is determined by the scope of the appended claims.

Claims

1. A tool for a spring coiling machine with an easily replaceable cutter head, comprising a base and a cutter head, characterized in that: One end of the base is provided with a deformation gap along the center line, and one side of the base is provided with a limiting groove along the center line. The limiting groove has a right trapezoidal cross section. The deformation gap is connected to the limiting groove. One end of the base is provided with a clamping bolt that penetrates the deformation gap vertically. The cutter head includes a limiting end and a cutter body end. The shape of the limiting end matches the limiting groove. After the limiting end extends into the limiting groove, the cutter head is clamped and fixed by clamping bolts.

2. The cutting tool for a spring coiling machine with easily replaceable cutting heads according to claim 1, characterized in that: The limiting groove is a through groove.

3. A cutting tool for a spring coiling machine with an easily replaceable cutting head, as described in claim 2, characterized in that: The base is provided with a strip-shaped through hole.

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