Electric scissors capable of rotating positively and negatively

Abstract

The utility model provides electric scissors capable of rotating forwards and backwards, and belongs to the technical field of electric scissors. The problem that existing electric scissors are not high in cloth cutting efficiency is solved. The electric scissors capable of rotating forwards and backwards comprise a knife rest, a motor installed on the knife rest, a round blade installed on the motor and capable of rotating, a base fixedly connected to the bottom of the knife rest and a front dead knife installed in the base, a rear dead knife is further arranged in the base, the front dead knife and the rear dead knife abut against the two sides of the same side of the round blade respectively, and the round blade can rotate forwards and backwards. The electric scissors capable of rotating positively and negatively have the advantage of improving the cloth cutting efficiency of the electric scissors.

Description

Technical Field

[0001] The utility model belongs to the technical field of electric scissors and relates to forward and reverse electric scissors. Background Art

[0002] In the fabric processing industry, in order to improve production efficiency, multiple layers of fabric raw materials that need to be cut into the same shape are often stacked up. A circular knife cutting machine is used to cut the multiple layers of fabric at once to cut out the required stack of fabric pieces, which facilitates the subsequent production line assembly process.

[0003] Existing circular knife cutting machines, for example, a circular knife cutting machine disclosed in Chinese patent literature [patent number: 201220382619.X; application publication number: CN202705680U], includes a bracket, a motor fixed on the bracket for driving a circular blade, and a chassis fixed under the bracket for guiding the movement of the cutting machine. The motor and the circular blade are respectively located on both sides of the bracket, and the circular blade is detachably fixed to the rotating shaft of the motor.

[0004] This type of circular knife cutting machine has a chassis fixed below the bracket to guide the cutting machine's movement. A bottom knife is also fixed to the chassis, which forms a shearing cooperation with the circular blade to cut the fabric. However, this type of circular knife cutting machine has only one bottom knife and can only cut fabric in one direction. After cutting once, the circular knife cutter needs to return to the machine before the next cut. In other words, the circular knife cutter can only cut once per round trip, which makes cutting efficiency inefficient. Summary of the Invention

[0005] The purpose of the utility model is to solve the above problems existing in the prior art and to propose forward and reverse electric scissors, so as to solve the technical problem of how to improve the cloth cutting efficiency of the electric scissors.

[0006] The purpose of the utility model can be achieved through the following technical solutions: forward and reverse electric scissors, including a knife holder, a motor installed on the knife holder and a circular blade installed on the motor and capable of rotating, a base fixedly connected to the bottom of the knife holder and a front bottom knife installed in the base, characterized in that a rear bottom knife is also provided in the base, the front bottom knife and the rear bottom knife respectively abut against two sides of the same side of the circular blade, and the circular blade can rotate in the forward and reverse directions.

[0007] During operation, the motor drives the circular blade to reverse first, and cooperates with the front bottom knife to move forward to achieve cutting. Then the motor drives the circular blade to rotate forward, and cooperates with the rear bottom knife to move backward to achieve cutting. It achieves two cuts in one return, thus improving the cloth cutting efficiency of the electric scissors.

[0008] In the above-mentioned forward and reverse electric scissors, the front bottom knife and the rear bottom knife are symmetrically arranged. This structure makes the front bottom knife and the rear bottom knife more unified, so that the electric scissors can achieve two cuts in one return, which is smoother.

[0009] In the aforementioned forward and reverse electric shears, the shears further include a blade sharpening assembly disposed on the blade holder. The circular blade has a single-edge circumferential edge, and the sharpening assembly is located on one side of the circular blade having the single-edge. Both the front and rear blades abut against the other side of the circular blade having the single-edge. This structure allows the front and rear blades to better abut the circular blade without damaging the single-edge, allowing the sharpening assembly to sharpen the single-edge.

[0010] In the aforementioned forward and reverse electric scissors, the base is elongated, with a front guide surface at the front end and a rear guide surface at the rear end. Both the front guide surface and the rear guide surface are arranged to be inclined downward from the inside to the outside along the length of the base. Both the front guide surface and the rear guide surface serve as guides, allowing the base to better lift the cloth and the electric scissors to better cut the cloth.

[0011] In the above-mentioned forward and reverse electric scissors, the base has a mounting groove, and the front bottom knife and the rear bottom knife are both arranged in the mounting groove. The setting of the mounting groove provides an installation position so that the front bottom knife and the rear bottom knife can be installed in a reasonable position.

[0012] In the aforementioned forward and reverse electric shears, a front adjustment plate is adjustably fixedly connected to the mounting slot, a front adjustment frame is rotatably connected to the front adjustment plate, the front bottom knife is fixedly connected to the front adjustment frame, and a front elastic member is provided in the mounting slot. The two ends of the front elastic member act on the base and the front bottom knife respectively to force the front bottom knife against the circular blade. This structure allows the front bottom knife to dynamically abut against the circular blade, allowing the front bottom knife to better abut against the circular blade, allowing the electric shears to better cut cloth.

[0013] In the aforementioned forward and reverse electric shears, a rear adjustment plate is adjustably fixedly connected to the mounting slot, a rear adjustment frame is rotatably connected to the rear adjustment plate, the rear bed knife is fixedly connected to the rear adjustment frame, and a rear elastic member is provided in the mounting slot. The two ends of the rear elastic member act on the base and the rear bed knife respectively, causing the rear bed knife to abut against the circular blade. This structure allows the rear bed knife to dynamically abut against the circular blade, allowing the rear bed knife to abut against the circular blade more effectively, allowing the electric shears to better cut cloth.

[0014] In the aforementioned forward and reverse electric scissors, the circular blade has a rotation hole in the center, and 1-3 fixing holes for fasteners to pass through on the circumferential edge of the rotation hole. This structure enables the circular blade to rotate forward and reverse without loosening.

[0015] Compared with the prior art, the forward and reverse electric scissors provided by the utility model have the following advantages:

[0016] 1. This electric scissors first reverses the circular blade and moves the front bottom knife forward to achieve cutting. Then the circular blade rotates forward and moves the rear bottom knife backward to achieve cutting. It can achieve two cuts in one return, thus improving the cutting efficiency of the electric scissors.

[0017] 2. The front bottom knife and the rear bottom knife of the electric scissors are located on the same side of the circular blade and are symmetrically arranged, making the front bottom knife and the rear bottom knife more unified, so that the electric scissors can achieve two cuts in one return. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the overall structure of the electric scissors.

[0019] Figure 2 This is an exploded view of the base of this electric scissors.

[0020] Figure 3 It is a structural diagram of the circular blade of the electric scissors.

[0021] In the figure, 1. knife holder; 2. circular blade; 21. single cutting edge; 3. base; 4. front bottom knife; 5. rear bottom knife; 6. sharpening assembly; 7. front guide surface; 8. rear guide surface; 9. mounting slot; 10. front adjustment plate; 11. front adjustment frame; 12. front elastic member; 13. rear adjustment plate; 14. rear adjustment frame; 15. rear elastic member; 16. rotating hole; 17. fixing hole; 18. motor. DETAILED DESCRIPTION

[0022] The following are specific embodiments of the present invention and the accompanying drawings to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.

[0023] like Figure 1 As shown, the forward and reverse electric scissors include a blade holder 1, a circular blade 2, a base 3, a front bottom knife 4, a rear bottom knife 5, a sharpening assembly 6, a front adjustment plate 10, a front adjustment frame 11, a front elastic member 12, a rear adjustment plate 13, a rear adjustment frame 14, a rear elastic member 15 and a motor 18.

[0024] like Figure 3 As shown, the center of the circular blade 2 has a rotating hole 16, the output shaft of the motor 18 is passed through the rotating hole 16 and is locked by fasteners such as bolts. The motor 18 can drive the circular blade 2 to rotate forward and reverse. In this embodiment, the circumferential edge of the rotating hole 16 has two fixing holes 17 for fasteners such as bolts to pass through. In actual production, the number of fixing holes 17 can be one or three.

[0025] The base 3 is fixedly connected to the bottom of the tool holder 1. The base 3 is in the shape of an elongated strip. The front end of the base 3 has a front guide surface 7, and the rear end of the base 3 has a rear guide surface 8. The front guide surface 7 and the rear guide surface 8 are both arranged to be inclined downward from the inside to the outside along the length direction of the base 3.

[0026] like Figure 2 As shown, the base 3 has a mounting slot 9, into which both the front bed knife 4 and the rear bed knife 5 are mounted. Specifically, a front adjustment plate 10 is adjustably fixedly coupled to the mounting slot 9. A front adjustment frame 11 is rotatably coupled to the front adjustment plate 10. The front bed knife 4 is fixedly coupled to the front adjustment frame 11. A front elastic member 12 is provided in the mounting slot 9. The ends of the front elastic member 12 act on the base 3 and the front bed knife 4, respectively, to force the front bed knife 4 against the circular blade 2. A rear adjustment plate 13 is adjustably fixedly coupled to the mounting slot 9. A rear adjustment frame 14 is rotatably coupled to the rear adjustment plate 13. The rear bed knife 5 is fixedly coupled to the rear adjustment frame 14. A rear elastic member 15 is provided in the mounting slot 9. The ends of the rear elastic member 15 act on the base 3 and the rear bed knife 5, respectively, to force the rear bed knife 5 against the circular blade 2. The front bed knife 4 and the rear bed knife 5 are located on opposite sides of the same side of the circular blade 2, and are symmetrically arranged.

[0027] The circumferential edge of the circular blade 2 is a single edge 21 , the sharpening assembly 6 is located on the side of the circular blade 2 having the single edge 21 , and the front bottom knife 4 and the rear bottom knife 5 both abut against the other side of the circular blade 2 having the single edge 21 .

[0028] During operation, the motor 18 drives the circular blade 2 to reverse first, and cooperates with the front bottom knife 4 to move forward to achieve cutting. Then the motor 18 drives the circular blade 2 to rotate forward, and cooperates with the rear bottom knife 5 to move backward to achieve cutting, and returns once to achieve two cuts.

[0029] The specific embodiments described herein are merely illustrative of the spirit of the present invention. Persons skilled in the art may make various modifications, additions, or substitutions to the described specific embodiments without departing from the spirit of the present invention or exceeding the scope defined by the appended claims.

[0030] Although this document frequently uses terms such as blade holder 1, circular blade 2, single-edge 21, base 3, front bottom blade 4, rear bottom blade 5, sharpening assembly 6, front guide surface 7, rear guide surface 8, mounting slot 9, front adjustment plate 10, front adjustment frame 11, front elastic member 12, rear adjustment plate 13, rear adjustment frame 14, rear elastic member 15, rotating hole 16, fixing hole 17, and motor 18, the use of other terms is not excluded. These terms are used only to more conveniently describe and explain the essence of the present invention; interpreting them as any additional limitations is contrary to the spirit of the present invention.

Claims

1. A forward and reverse rotating electric scissors, comprising a blade holder (1), a motor (18) mounted on the blade holder (1), a circular blade (2) mounted on the motor (18) and capable of rotating, a base (3) fixedly connected to the bottom of the blade holder (1), and a front bottom blade (4) mounted in the base (3), characterized in that: The base (3) is further provided with a rear bottom knife (5), and the front bottom knife (4) and the rear bottom knife (5) respectively abut against two sides of the same side of the circular blade (2), and the circular blade (2) can rotate in forward and reverse directions.

2. The forward and reverse electric scissors according to claim 1, characterized in that: The front bottom knife (4) and the rear bottom knife (5) are symmetrically arranged.

3. The forward and reverse electric scissors according to claim 1, characterized in that: The electric scissors further comprise a knife sharpening assembly (6) arranged on the knife holder (1); the circumferential edge of the circular blade (2) is a single-edge (21); the knife sharpening assembly (6) is located on the side of the circular blade (2) having the single-edge (21); and the front bottom knife (4) and the rear bottom knife (5) both abut against the other side of the circular blade (2) having the single-edge (21).

4. The forward and reverse electric scissors according to claim 1, 2 or 3, characterized in that: The base (3) is in the shape of an elongated strip. The front end of the base (3) has a front guide surface (7), and the rear end of the base (3) has a rear guide surface (8). Both the front guide surface (7) and the rear guide surface (8) are arranged to be inclined downward from the inside to the outside along the length direction of the base (3).

5. The forward and reverse electric scissors according to claim 1, 2 or 3, characterized in that: The base (3) has a mounting groove (9), and the front bottom knife (4) and the rear bottom knife (5) are both arranged in the mounting groove (9).

6. The forward and reverse electric scissors according to claim 5, characterized in that: A front adjustment plate (10) is adjustably fixedly connected in the installation groove (9), a front adjustment frame (11) is rotatably connected to the front adjustment plate (10), the front bottom knife (4) is fixedly connected to the front adjustment frame (11), a front elastic member (12) is provided in the installation groove (9), and two ends of the front elastic member (12) act on the base (3) and the front bottom knife (4) respectively to make the front bottom knife (4) abut against the circular blade (2).

7. The forward and reverse electric scissors according to claim 5, characterized in that: A rear adjustment plate (13) is adjustably fixedly connected in the mounting groove (9), a rear adjustment frame (14) is rotatably connected to the rear adjustment plate (13), the rear bottom knife (5) is fixedly connected to the rear adjustment frame (14), a rear elastic member (15) is provided in the mounting groove (9), and two ends of the rear elastic member (15) act on the base (3) and the rear bottom knife (5) respectively to make the rear bottom knife (5) abut against the circular blade (2).

8. The forward and reverse electric scissors according to claim 1, 2 or 3, characterized in that: The circular blade (2) has a rotating hole (16) at its center, and 1 to 3 fixing holes (17) for fasteners to pass through are provided at the circumferential edge of the rotating hole (16).

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