Metal wire cutting device

Abstract

The utility model belongs to the field of metal cutting, and particularly relates to a metal wire cutting device which comprises a supporting plate and a stepping motor perpendicularly arranged on the supporting plate, an eccentric wheel is arranged at the output end of the stepping motor, two guide rails are symmetrically arranged on the left side and the right side of the upper end of the supporting plate, and a moving plate is arranged on the two guide rails in a sliding mode. A spring is arranged on the moving plate; a bearing which is always in contact with the eccentric wheel is arranged at the bottom of the middle of the moving plate; a lower cut-off blade is arranged at the top of the middle of the moving plate through a bolt, an upper cut-off blade is arranged at the upper end of the supporting plate through a bolt, and the lower cut-off blade corresponds to the upper cut-off blade up and down.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the field of metal cutting, especially relates to a metal wire cutting device. BACKGROUND

[0002] In the prior art, the demand for metal wires in China is very large, and bent wire products have a wide range of applications in the market, especially in the fields of metal forming, automobile manufacturing, construction, and furniture manufacturing, such as metal welding wire disc manufacturing. With the continuous development of these industries, the demand for bent wires is also increasing. In addition, with the advancement of technology and the reduction of costs, the application range of bent wires is also expanding, and the future market prospects are promising. The cutting device is a necessary component of the metal bent wire equipment and has a certain universality.

[0003] The utility model patent with the publication number CN211161683U discloses a "reinforcing steel bar cutting machine" that solves the problem of local bending on both sides of the cutting edge during cutting, but uses a hydraulic device, which has a relatively large structure. The utility model patent with the publication number CN208390880U also discloses a metal wire straightening and cutting machine, which is a separate device and also has the problem of a relatively large structure.

[0004] Therefore, in order to meet the needs, a metal wire cutting device with a simple structure and small size is needed. CONTENT OF THE UTILITY MODEL

[0005] The utility model discloses a metal wire cutting device, which has a simple structure and small size, and solves the above problems.

[0006] In order to achieve the above purpose, the utility model adopts the following technical scheme:

[0007] A metal wire cutting device includes a support plate and a stepper motor vertically arranged on the support plate. The stepper motor output end is provided with an eccentric wheel. The support plate upper end is symmetrically provided with two guide rails on the left and right sides. Two guide rails are provided with a moving plate slidingly arranged thereon. The moving plate is provided with a spring.

[0008] The moving plate middle bottom is provided with a bearing that is always in contact with the eccentric wheel.

[0009] The moving plate middle top is provided with a lower cutting blade through a bolt. The support plate upper end is provided with an upper cutting blade through a bolt. The lower cutting blade corresponds to the upper cutting blade in an up-down manner.

[0010] Preferably, the eccentric wheel is installed on the stepper motor output shaft through a first screw and a key.

[0011] Preferably, the bearing is rotatably fixed to the middle bottom of the moving plate through a shaft core.

[0012] Preferably, the spring is provided with two, two said spring upper end is fixed on the motion plate through the second screw, two said spring lower end is fixed on the support plate through the second screw.

[0013] Preferably, the outer side of the support plate is provided with a shell, and the upper end of the shell is provided with an opening for the wire to enter and exit.

[0014] The utility model discloses the beneficial effect is:

[0015] The utility model discloses simple structure, small size, another feature is to adopt the stepping motor drive, and the working frequency can be adjusted according to the working condition. DRAWINGS

[0016] Fig. 1 It is the structure schematic diagram of the utility model.

[0017] Fig. 2 It is the A view of the utility model.

[0018] In the drawing: 1 - stepping motor, 2 - support plate, 3 - first screw, 4 - key, 5 - eccentric wheel, 6 - bearing, 7 - shaft core, 8 - motion plate, 9 - lower cutting blade, 10 - bolt, 11 - upper cutting blade, 12 - shell, 13 - guide rail, 14 - second screw, 15 - spring. CONCRETE IMPLEMENTING METHOD

[0019] The technical scheme in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model, and obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments.

[0020] Reference Figs. 1-2 , a wire cutting device, including support plate 2 and the stepping motor 1 of vertical setting on support plate 2, the eccentric wheel 5 is provided on the output end of stepping motor 1, and the two guide rails 13 that are symmetrical are provided on the upper end of support plate 2 left and right, the motion plate 8 is slidably arranged on the two guide rails 13, and the spring 15 is arranged on the motion plate 8;

[0021] The bearing 6 that is always in contact with the eccentric wheel 5 is arranged in the middle bottom of the motion plate 8;

[0022] The lower cutting blade 9 is arranged on the middle top of the motion plate 8 through the bolt 10, the upper cutting blade 11 is arranged on the upper end of the support plate 2 through the bolt 10, and the lower cutting blade 9 and the upper cutting blade 11 correspond to each other.

[0023] The eccentric wheel 5 is installed on the output shaft of the stepping motor 1 through the first screw 3 and the key 4.

[0024] The bearing 6 is rotatably fixed in the middle bottom of the motion plate 8 through the shaft core 7.

[0025] The two springs 15 are arranged on the moving plate 8 through the second screw 14, and the lower ends of the two springs 15 are fixed on the support plate 2 through the second screw 14, and the two springs 15 are used for tensioning the moving plate 8, so that the fixed bearing 6 of the moving plate 8 is tightly attached to the eccentric wheel 5.

[0026] The outer side of the support plate 2 is provided with an outer shell 12, and the upper end of the outer shell 12 is provided with an opening for the wire to enter and exit. All the components installed on the support plate 2 are in the outer shell 12, so that the appearance is more beautiful.

[0027] The fixed bearing 6 of the moving plate 8 is tightly attached to the eccentric wheel 5, and with the rotation of the stepping motor 1, the eccentric wheel 5 moves to drive the moving plate 8 to move up and down, and the stepping motor 1 rotates one circle, and the lower cutting blade 9 moves up and down once, and in the process of moving up to the top, the lower cutting blade 9 interacts with the upper cutting blade 11 fixed on the support plate 2 to cut the wire. The utility model is characterized in that the number of parts is relatively small, the whole device is small in size, and can be conveniently installed on the wire bending machine.

[0028] The above is only the preferred specific implementation mode of the utility model, but the protection scope of the utility model is not limited to this, any skilled person in the art can make equivalent replacement or change according to the technical scheme and the utility model concept of the utility model within the technical range disclosed by the utility model, and all should be covered in the protection scope of the utility model.

Claims

1. A metal wire cutting device, comprising a support plate (2) and a stepper motor (1) vertically disposed on the support plate (2), characterized in that: The stepper motor (1) is provided with an eccentric wheel (5) at its output end. Two guide rails (13) are symmetrically arranged on the left and right sides of the upper end of the support plate (2). A motion plate (8) is slidably arranged on the two guide rails (13), and a spring (15) is arranged on the motion plate (8). The bottom center of the moving plate (8) is provided with a bearing (6) that is always in contact with the eccentric wheel (5); The middle top of the moving plate (8) is provided with a lower cutting blade (9) by bolts (10), and the upper end of the support plate (2) is provided with an upper cutting blade (11) by bolts (10). The lower cutting blade (9) and the upper cutting blade (11) are vertically corresponding.

2. The wire cutting device according to claim 1, characterized in that: The eccentric wheel (5) is mounted on the output shaft of the stepper motor (1) by a first screw (3) and a key (4).

3. The wire cutting device according to claim 2, characterized in that: The bearing (6) is rotatably fixed at the bottom center of the moving plate (8) via the shaft core (7).

4. The wire cutting device according to claim 3, characterized in that: Two springs (15) are provided. The upper ends of the two springs (15) are fixed to the moving plate (8) by the second screw (14), and the lower ends of the two springs (15) are fixed to the support plate (2) by the second screw (14).

5. The wire cutting device according to claim 4, characterized in that: The support plate (2) is provided with a shell (12) on the outside, and the upper end of the shell (12) is provided with an opening for the metal wire to enter and exit.

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