Punching and shearing machine tool with pre-fixing structure

Abstract

The utility model discloses a punching and shearing machine tool with a pre-fixing structure, and belongs to the technical field of punching and shearing tools. The punching and shearing machine cutter with the pre-fixing structure comprises a cutter body and a pre-fixing plate, an integrally-formed bolt positioning hole is formed between the cutter body and the pre-fixing plate, an integrally-formed punching and shearing cutter head is arranged below the cutter body, a spring telescopic block is installed at the lower end of the pre-fixing plate, and the pre-fixing plate is fixedly connected with the pre-fixing plate. And a turnover plate is arranged above the spring telescopic block. The tool solves the problems that an existing tool is single in structure and inconvenient to operate in the installation process, and the fixing precision is affected, the turnover plate is turned over upwards, after the turnover plate is turned over, a bolt is positioned in an auxiliary mode through the limiting opening, three-face clamping is conducted through the turnover plate, the bolt is quickly positioned, and the tool is convenient to use. And the pre-fixing plate with the stable position is used for limiting and supporting, the position stability of tool installation is improved, positioning and operation are convenient, and use is convenient.

Description

Technical Field

[0001] The utility model relates to the technical field of punching and shearing tools, in particular to a punching and shearing machine tool with a pre-fixed structure. Background Art

[0002] Punching and shearing machines use a moving upper blade and a fixed lower blade, and adopt a reasonable blade gap to apply shear force to metal plates of various thicknesses, so that the plates are broken and separated according to the required size. Punching and shearing machines are often used to cut sheet blanks with straight edges.

[0003] The Chinese patent with the announcement number CN204234882U discloses a shearing tool with a guide block, including a guide block and a shearing tool. The guide block and the shearing tool can be cast as one piece, or can be installed separately by screws. The guide block is in an inverted concave shape, and a mounting groove for installing the shearing tool is provided in the middle. The cutting edge of the shearing tool is placed inside the inverted concave shape of the guide block, and a guide angle is provided on one side of the cutting edge at the bottom of the guide block. The beneficial effects of the patent are that the guide block is made on the cutting edge, the tool is simple and easy to align, and there will be no tool hitting or breaking; the tool change time is shortened and the tool life is increased, the shearing quality of the product is improved, and shearing burrs are effectively controlled.

[0004] In actual use, the punching and shearing machine tool of the above patent has a simple structure, which is inconvenient to operate during installation and affects the fixing accuracy. Utility Model Content

[0005] The utility model aims to provide a punching and shearing machine tool with a pre-fixed structure, which solves the problem that the punching and shearing machine tool proposed in the above background technology has a single structure during actual use, is inconvenient to operate during installation, and affects the fixing accuracy.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a punching and shearing machine tool with a pre-fixed structure, comprising a tool body and a pre-fixed plate, the pre-fixed plate being installed at the rear end of the tool body, an integrally formed bolt positioning hole being provided between the tool body and the pre-fixed plate, an integrally formed punching and shearing head being provided below the tool body, and a spring telescopic block being installed at the lower end of the pre-fixed plate, a folding plate being provided above the spring telescopic block, and the position of the folding plate corresponding to the position of the bolt positioning hole.

[0007] Preferably, an integrally formed punching and shearing head is provided at the lower end of the tool body, and fastening folding plates are provided on both sides of the tool body, and the tool body is fixedly connected to the pre-fixing plate via the fastening folding plates.

[0008] Preferably, six bolt positioning holes are provided, and all of the six bolt positioning holes are used for connecting bolts to fix the tool body.

[0009] Preferably, an integrally formed positioning groove is provided inside the pre-fixing plate, a connecting sleeve is installed at the rear end of the spring telescopic block, the connecting sleeve is embedded in the positioning groove and fixedly connected to the pre-fixing plate, and a tensioning spring is installed between the rear end of the spring telescopic block and the connecting sleeve.

[0010] Preferably, an integrally formed positioning opening is provided in the middle of the spring telescopic block, the folding plate is engaged with the spring telescopic block through the positioning opening, a rotating spring shaft is installed at the upper end of the spring telescopic block, and the folding plate is movably connected to the spring telescopic block through the rotating spring shaft.

[0011] Preferably, an integrally formed limiting opening is provided at the upper end of the folding plate, and the limiting opening is used for positioning the two sides and the lower end of the bolt.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] 1. During the installation process, the utility model passes the bolt through the bolt positioning hole. The position of the bolt can be adjusted by pulling out the spring expansion block and folding the folding plate upward. After folding, the bolt is assisted in positioning through the limit opening, and the folding plate is engaged on three sides to quickly position the bolt. The pre-fixed plate with a stable position is used for limiting support, thereby improving the position stability of the tool installation, facilitating positioning and operation, and being easy to use.

[0014] 2. During use of the utility model, the position of the folding plate can be adjusted by rotating the spring shaft. The folding plate can be positioned in the spring telescopic block through the positioning groove, and can be contracted by the spring inside the connecting sleeve to allow the spring telescopic block to be recovered. After pre-fixation is completed, it is easy to operate to improve the efficiency of the installation work. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is an axonometric view of the front view of the utility model;

[0016] Figure 2 It is an axonometric view of the rear view of the utility model;

[0017] Figure 3 For this utility model Figure 2 A partial enlarged view of area A in the middle;

[0018] Figure 4 It is an axonometric view of the utility model from above.

[0019] In the figure: 1. tool body; 101. punching shear head; 102. fastening folding plate; 2. pre-fixing plate; 201. bolt positioning hole; 202. positioning groove; 203. spring expansion block; 2031. positioning port; 2032. rotating spring shaft; 2033. folding plate; 2034. connecting sleeve; 2035. limiting port. 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] In order to solve the problem that the existing punching and shearing machine tools have a single structure, are inconvenient to operate during installation, and affect the fixing accuracy during actual use, please refer to Figure 1 - Figure 4 , this embodiment provides the following technical solutions:

[0022] A punching and shearing machine tool with a pre-fixed structure includes a tool body 1 and a pre-fixed plate 2, the pre-fixed plate 2 is installed at the rear end of the tool body 1, an integrally formed bolt positioning hole 201 is arranged between the tool body 1 and the pre-fixed plate 2, an integrally formed punching and shearing head 101 is arranged below the tool body 1, and a spring expansion block 203 is installed at the lower end of the pre-fixed plate 2, a folding plate 2033 is arranged above the spring expansion block 203, the position of the folding plate 2033 corresponds to the position of the bolt positioning hole 201, by passing the bolt through the bolt positioning hole 201 during the installation process, the position of the bolt can be achieved by pulling out the spring expansion block 203 and folding the folding plate 2033 upwards, and after folding, the bolt is assisted in positioning through the limit opening 2035.

[0023] There are six bolt positioning holes 201, and all of the six bolt positioning holes 201 are used to connect bolts to fix the tool body 1. An integrally formed limiting opening 2035 is provided at the upper end of the folding plate 2033. The limiting opening 2035 is used to position the two sides and the lower end of the bolt. The bolt is assisted in positioning through the limiting opening 2035, and the folding plate 2033 is engaged on three sides to quickly position the bolt. The pre-fixed plate 2 with a stable position is used for limiting support, thereby improving the position stability of the tool installation, facilitating positioning and operation, and facilitating use.

[0024] Specifically, during the installation process, the bolt is passed through the bolt positioning hole 201. The position of the bolt can be adjusted by pulling out the spring expansion block 203 and folding the folding plate 2033 upwards. After folding, the bolt is assisted in positioning through the limit opening 2035. The folding plate 2033 is engaged on three sides to quickly position the bolt, and the stable pre-fixed plate 2 is used for limiting support, thereby improving the position stability of the tool installation, facilitating positioning and operation, and facilitating use.

[0025] In order to solve the technical problem that the positioning structure of the tool is inconvenient to operate in the prior art, which affects the use of the punching and shearing machine and is not conducive to long-term operation, please refer to Figure 1 - Figure 3 , providing the following technical solutions:

[0026] An integrally formed punching and shearing head 101 is provided at the lower end of the tool body 1, and fastening folding plates 102 are provided on both sides of the tool body 1. The tool body 1 is fixedly connected to the pre-fixed plate 2 through the fastening folding plates 102, and the fastening folding plates 102 are used for fixing to improve the installation effect. The structure is compact and is conducive to long-term use.

[0027] An integrally formed positioning groove 202 is provided inside the pre-fixed plate 2, and a connecting sleeve 2034 is installed at the rear end of the spring telescopic block 203. The connecting sleeve 2034 is embedded in the positioning groove 202 and fixedly connected to the pre-fixed plate 2. A tensioning spring is installed between the rear end of the spring telescopic block 203 and the connecting sleeve 2034. The folding plate 2033 can be positioned in the spring telescopic block 203 through the positioning groove 202, and can be contracted by the spring inside the connecting sleeve 2034.

[0028] An integrally formed positioning hole 2031 is provided in the middle of the spring telescopic block 203, and the folding plate 2033 is engaged with the spring telescopic block 203 through the positioning hole 2031. A rotating spring shaft 2032 is installed at the upper end of the spring telescopic block 203, and the folding plate 2033 is movably connected to the spring telescopic block 203 through the rotating spring shaft 2032. The position of the folding plate 2033 can be adjusted by rotating the spring shaft 2032.

[0029] Specifically, during use, the position of the folding plate 2033 can be adjusted by rotating the spring shaft 2032. The folding plate 2033 can be positioned in the spring telescopic block 203 through the positioning groove 202, and can be contracted by the spring inside the connecting sleeve 2034, so that the spring telescopic block 203 can be recovered. After the pre-fixation is completed, it is convenient to operate to improve the efficiency of the installation work.

[0030] Working principle: When in use, during the installation process, the through bolt is inside the bolt positioning hole 201. The position of the bolt can be achieved by pulling out the spring expansion block 203 and folding the folding plate 2033 upwards. After folding, the bolt is assisted in positioning through the limit opening 2035, and the folding plate 2033 is engaged on three sides to quickly position the bolt, and the pre-fixed plate 2 with a stable position is used for limiting support, thereby improving the position stability of the tool installation, facilitating positioning and operation, and facilitating use. After the bolt is fixed to the punching and shearing machine, the position of the folding plate 2033 can be adjusted by rotating the spring shaft 2032, and the folding plate 2033 can be positioned in the spring expansion block 203 through the positioning groove 202, and can be contracted by the spring inside the connecting sleeve 2034, so that the spring expansion block 203 is recovered. After the pre-fixation is completed, it is convenient to operate, so as to improve the efficiency of the installation work, thereby keeping the tool position compact and convenient to operate.

[0031] 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.

[0032] 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 punching and shearing machine tool with a pre-fixed structure, comprising a tool body (1) and a pre-fixed plate (2), characterized in that: The pre-fixing plate (2) is installed at the rear end of the tool body (1); an integrally formed bolt positioning hole (201) is provided between the tool body (1) and the pre-fixing plate (2); an integrally formed punching shear head (101) is provided below the tool body (1); a spring telescopic block (203) is installed at the lower end of the pre-fixing plate (2); a folding plate (2033) is provided above the spring telescopic block (203); and the position of the folding plate (2033) corresponds to the position of the bolt positioning hole (201).

2. The punching and shearing machine tool with a pre-fixed structure according to claim 1, characterized in that: An integrally formed punching and shearing head (101) is provided at the lower end of the tool body (1), and fastening folding plates (102) are provided on both sides of the tool body (1), and the tool body (1) is fixedly connected to the pre-fixing plate (2) via the fastening folding plates (102).

3. The punching and shearing machine tool with a pre-fixed structure according to claim 1, characterized in that: Six bolt positioning holes (201) are provided, and the six bolt positioning holes (201) are all used for connecting bolts to fix the tool body (1).

4. The punching and shearing machine tool with a pre-fixed structure according to claim 1, characterized in that: An integrally formed positioning groove (202) is provided inside the pre-fixing plate (2); a connecting sleeve (2034) is installed at the rear end of the spring telescopic block (203); the connecting sleeve (2034) is embedded in the positioning groove (202) and is fixedly connected to the pre-fixing plate (2); a tension spring is installed between the rear end of the spring telescopic block (203) and the connecting sleeve (2034).

5. The punching and shearing machine tool with a pre-fixed structure according to claim 1, characterized in that: An integrally formed positioning opening (2031) is provided in the middle of the spring telescopic block (203); the folding plate (2033) is engaged with the spring telescopic block (203) via the positioning opening (2031); a rotating spring shaft (2032) is installed at the upper end of the spring telescopic block (203); and the folding plate (2033) is movably connected to the spring telescopic block (203) via the rotating spring shaft (2032).

6. The punching and shearing machine tool with a pre-fixed structure according to claim 1, characterized in that: An integrally formed limiting opening (2035) is provided at the upper end of the folding plate (2033), and the limiting opening (2035) is used to position the two sides and the lower end of the bolt.

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