Handheld automatic wire binding machine

Abstract

The utility model belongs to the technical field of building construction, and particularly discloses a handheld automatic wire binding machine which comprises a rotating seat, a rotating shaft is rotationally connected in the rotating seat, a wire binding seat is arranged at the front end of the rotating seat, a first driving motor is installed at the rear end of the rotating seat, and a second driving motor is fixedly connected to the wire binding seat in a rotating mode. An intermediate gear is rotationally connected in the wire binding seat, the second driving motor is in meshed transmission connection with the intermediate gear through a transmission gear, a slideway is arranged at the front end of the wire binding seat, a wire binding ring is rotationally connected in the slideway, a notch for accommodating an iron wire is formed in the wire binding ring, and a wire binding space is formed in the inner side of the wire binding ring; a tooth groove is formed in the wire binding ring, and the intermediate gear is connected to the tooth groove in an engaged mode. The front side of the wire binding seat is fixedly connected with the arc-shaped cutter, one end of the wire binding ring and the arc-shaped cutter are arranged on the same side, the other end of the wire binding ring is fixedly connected with the cutter head, iron wires can be prevented from being pressed and damaged, wire binding and shearing can be achieved, and efficiency is high.

Description

Technical Field

[0001] The utility model belongs to the technical field of building construction, in particular to a handheld automatic wire tying machine. Background Art

[0002] In construction sites, the main function of tie wires is to fix and reinforce the structure of buildings, ensuring the firmness and stability of the buildings. Through tie wires, the various parts of the building structure can be tightly connected together to prevent dangerous situations such as loosening, tilting or collapse during construction or use. This is crucial to ensure the safety of the building itself and the surrounding environment.

[0003] Nowadays, wire tying is still mainly done by hand, which is simple to operate but inefficient and only suitable for individual construction scenarios. Existing tying machines are not flexible enough; for example, the Chinese invention patent with the patent publication number CN112854769A provides a new handheld portable electric tool for steel bar tying, which has a pliers mouth that is slidably connected to the outer surface of the rotating head. When the pliers mouth is opened, the steel wire is easily lost, and when clamped, the steel wires are squeezed against each other, which is easy to be misaligned after twisting, and causes great damage to the steel wire. Utility Model Content

[0004] In view of the low efficiency and laboriousness of manual binding in the prior art, and the problem that the existing new handheld portable electric tools for steel bar binding have a need to improve the wire binding efficiency and cause great damage to the steel wire, a handheld automatic wire binding machine is proposed. The utility model provides the following technical solutions:

[0005] The transmission gear of the present invention is connected with the gear of the first driving motor, and the gear of the first driving motor is connected with the gear of the second driving motor by the gear of the second driving motor.

[0006] Preferably, the wire tying ring includes a transmission part for rotating the wire tying ring, a limiting end for preventing the wire from leaving the wire tying space, and a shearing end for cutting the wire; the limiting end and the arc knife are arranged on the same side, and the shearing end is fixedly connected with a knife head.

[0007] Preferably, a first limiting block for limiting the forward rotation angle of the wire binding ring is fixedly connected to the outer side of the limiting end.

[0008] Preferably, the arc-shaped knives are arranged at intervals on the inner side of the wire tying ring.

[0009] Preferably, a second limit block for limiting the reversal angle is fixedly connected to the inner side of the shearing end.

[0010] Preferably, the end of the blade head can be operably abutted against the inner side wall of the arc-shaped blade.

[0011] Preferably, bearings are installed at both the front and rear ends of the rotating seat, a front end cover is installed on the front side of the rotating seat, and a rear end cover is installed on the rear side of the rotating seat. The inner sides of the front end cover and the rear end cover are abutted with limiting rings for limiting the bearings, and the rotating shaft passes through the front end cover and the rear end cover.

[0012] Preferably, a T-shaped guide block is provided on the slideway, a T-shaped guide groove is provided on the inner side of the wire binding ring, and the T-shaped guide block is slidably connected in the T-shaped guide groove.

[0013] Preferably, the second drive motor is fixed on the outside of the wire binding seat, and the wire binding seat is fixedly connected with a balancing block on the back side of the second drive motor, and a grabbing rod for grabbing the steel bars is rotatably connected to the second drive motor and the balancing block.

[0014] Preferably, the grab bar comprises a rotating portion, a straight rod portion, an arc portion, and an arc hook portion in sequence, and the transition portion between the straight rod portion and the arc portion is also connected to an arc transition block, and the arc transition block is arranged on a side close to the arc hook portion.

[0015] Compared with the prior art, the utility model has the following beneficial effects:

[0016] 1. When in use, first drive the wire tying ring to rotate through the second drive motor, adjust the notch to face forward, and then move the whole machine so that the wire passes through the notch and enters the wire tying space; then the second drive motor rotates forward to make the notch deviate to the side, and then start the first drive motor to rotate the wire tying ring to tie the wire; after the wire tying is completed, the second drive motor reverses, the notch faces forward, adjusts the position of the whole machine so that the wire is located at the notch, and then drives the second drive motor to reverse, so that the knife head moves toward the arc knife, and then cuts the steel wire and trims off the excess part; it can prevent the wire from escaping, is easy to use, and has high efficiency, and can prevent the wire from being damaged by pressure;

[0017] 2. The second drive motor is fixed on the outside of the wire tying seat, and the wire tying seat is fixedly connected with a balancing block on the back side of the second drive motor to achieve dynamic balance;

[0018] 3. A T-shaped guide block is provided on the slideway, and a T-shaped guide groove is provided on the inner side of the wire tie ring. The T-shaped guide block is slidably connected in the T-shaped guide groove. Grease can be added to the T-shaped guide groove to improve the stability and smoothness of the rotation of the wire tie ring and prevent the wire tie ring from tipping over. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a schematic cross-sectional view of a part of the structure of the utility model;

[0020] Figure 2 yes Figure 1 A schematic diagram of the local enlarged structure at point A in the middle;

[0021] Figure 3 It is a schematic diagram of the top view structure of the utility model;

[0022] Figure 4 It is a structural schematic diagram of a grab bar of the utility model;

[0023] In the accompanying drawings, 1, the first driving motor; 2, the rotating seat; 3, the wire binding seat; 31, the rotating shaft; 32, the sliding seat; 321, the T-shaped guide block; 4, the transmission gear; 5, the intermediate gear; 6, the wire binding ring; 61, the T-shaped guide groove; 7, the arc knife; 8, the first limit block; 9, the knife head; 10, the second limit block; 11, the first bolt; 12, the bearing; 13, the limit ring; 14, the front end cover; 15, the rear end cover; 16, the second bolt; 17, the handle; 18, the battery compartment; 19, the second driving motor; 20, the balance block; 21, the grab bar; 211, the rotating part; 212, the arc transition part; 213, the straight rod part; 214, the arc transition block; 215, the arc part; 216, the arc hook part. DETAILED DESCRIPTION

[0024] The directional words mentioned in the following embodiments, such as "up", "down", "left", "right", etc., are only referenced to the directions of the drawings. Therefore, the directional words used are used to illustrate rather than limit the invention of the utility model.

[0025] like Figure 1-4As shown, a handheld automatic wire tying machine comprises a rotating seat 2, a rotating shaft 31 is rotatably connected in the rotating seat 2, a wire tying seat 3 is arranged at the front end of the rotating seat 2, a first driving motor 1 is installed at the rear end of the rotating seat 2, and a U-shaped handle 17 is commonly connected to the rotating seat 2 and the first driving motor 1, which can improve the stability of the connection; a battery compartment 18 is installed on the rear side of the first driving motor 1 for power supply; an operation button is arranged on the handle 17; the first driving motor 1 is coaxially driven and connected to the rotating shaft 31, and the other end of the rotating shaft 31 is fixedly connected to the wire tying seat 3; a second driving motor 19 is fixedly connected to the wire tying seat 3 and rotatably connected to the wire tying seat 3, and an intermediate gear 5 is rotatably connected in the wire tying seat 3, and the second driving motor 19 is meshed and driven and connected to the intermediate gear 5 through a transmission gear 4. A slide seat 32 is provided at the front end of the wire tying seat 3, a slideway is provided in the slide seat 32, and a wire tying ring 6 is rotatably connected in the slideway, and the wire tying ring 6 The upper part is provided with a notch for accommodating the wire, and the inner side of the wire ring 6 is the wire tying space; the wire ring 6 is provided with a tooth groove, and the intermediate gear 5 is meshed and connected to the tooth groove; the front side of the wire tying seat 3 is fixedly connected with an arc knife 7, one end of the wire ring 6 and the arc knife 7 are arranged on the same side, and the other end of the wire ring 6 is fixedly connected with a cutter head 9; when in use, the wire ring 6 is first driven to rotate by the second drive motor 19, the notch is adjusted to face forward, and then the whole is moved, so that the wire passes through the notch and enters the wire tying space; then the second drive motor 19 rotates forward, so that the notch is biased to the side, and then the first drive motor 1 is started to rotate the wire ring 6 for wire tying; after the wire tying is completed, the second drive motor 19 is reversed, the notch faces forward, the position of the whole machine is adjusted, so that the wire is located at the notch, and then the second drive motor 19 is driven to reverse, so that the cutter head 9 moves toward the arc knife 7, and then the steel wire is sheared and the excess part is trimmed off; it can prevent the wire from escaping, it is convenient to use, efficient, and can prevent the wire from being damaged by pressure.

[0026] Specifically, the wire tying ring 6 includes a transmission part for rotating the wire tying ring 6, a limiting end for preventing the wire from leaving the wire tying space, and a shearing end for cutting the wire; the limiting end and the arc knife 7 are arranged on the same side, and the shearing end is fixedly connected with a knife head 9.

[0027] Specifically, the circumferential angle of the notch of the wire tying ring 6 is 30-90 degrees, which is convenient for the wire to enter and can prevent it from easily jumping out of the wire tying space.

[0028] Specifically, a first limit block 8 for limiting the forward rotation angle of the wire binding ring 6 is fixedly connected to the outer side of the limit end; the arc knife 7 is arranged at intervals on the inner side of the wire binding ring 6; a second limit block 10 for limiting the reverse angle is fixedly connected to the inner side of the shearing end, and the second limit block 10 and the cutter head 9 are connected on both sides of the wire binding ring 6 and fixed by a first bolt 11; the end of the cutter head 9 can be operated to abut against the inner wall of the arc knife 7.

[0029] Specifically, bearings 12 are installed at both the front and rear ends of the rotating seat 2, and the bearings 12 are sleeved on the outside of the rotating shaft 31; a front end cover 14 is installed on the front side of the rotating seat 2, and a rear end cover 15 is installed on the rear side of the rotating seat 2. The inner sides of the front end cover 14 and the rear end cover 15 are abutted with limiting rings 13 for limiting the bearing 12. The rotating shaft 31 passes through the front end cover 14 and the rear end cover 15 to improve the stability of the rotation of the rotating shaft 31; the rear end cover 15 is flange-connected to the first drive motor 1 by a second bolt 16; in addition, the assembly of the shaft and the shaft seat belongs to the existing mature technology and is not limited to the description of this new type.

[0030] Specifically, a T-shaped guide block 321 is provided on the slideway, and a T-shaped guide groove 61 is provided on the inner side of the wire binding ring 6. The T-shaped guide block 321 is slidably connected to the T-shaped guide groove 61. Grease can be added to the T-shaped guide groove 61 to improve the stability and smoothness of the rotation of the wire binding ring 6 and prevent the wire binding ring 6 from tipping over.

[0031] Specifically, the second drive motor 19 is fixed on the outside of the wire binding seat 3, and the wire binding seat 3 is fixedly connected with a balancing block 20 on the back side of the second drive motor 19 to achieve dynamic balance. The second drive motor 19 and the balancing block 20 are rotatably connected with a grabbing rod 21 for grabbing the steel bars, which can grab the steel bars for temporary placement to save effort.

[0032] Specifically, the grab bar 21 includes a rotating portion 211, a straight rod portion 213, an arc portion 215, and an arc hook portion 216 in sequence. The rotating portion 211 is rotatably connected to the housing of the second drive motor 19 or the balance block 20; the arc hook portion 216 is further bent inward on the basis of the arc portion 215; a hanging space is formed between the straight rod portion 213, the arc portion 215 and the arc hook portion 216; the transition portion between the straight rod portion 213 and the arc portion 215 is also connected to an arc transition block 214; an arc transition portion 212 is connected between the rotating portion 211 and the straight rod portion 213; the arc transition block 214 is arranged on the side close to the arc hook portion 216, which can reduce the size of the opening of the hanging space and improve the anti-slip ability and wear resistance.

Claims

1. A handheld automatic wire tying machine, characterized in that: The invention comprises a rotating seat (2), wherein a rotating shaft (31) is rotatably connected in the rotating seat (2), a wire-binding seat (3) is arranged at the front end of the rotating seat (2), a first driving motor (1) is installed at the rear end of the rotating seat (2), a handle (17) is commonly connected to the rotating seat (2) and the first driving motor (1), and an operating button is arranged on the handle (17); the first driving motor (1) is coaxially drivingly connected to the rotating shaft (31), and the other end of the rotating shaft (31) is fixedly connected to the wire-binding seat (3); a second driving motor (19) is fixedly connected to the wire-binding seat (3) and rotatably connected thereto, and the wire-binding seat (3) is internally connected to the rotating shaft (31). An intermediate gear (5) is rotatably connected, and the second drive motor (19) is meshingly connected to the intermediate gear (5) through a transmission gear (4). A slideway is provided at the front end of the wire tying seat (3), and a wire tying ring (6) is rotatably connected in the slideway. A notch for accommodating the wire is provided on the wire tying ring (6), and the inner side of the wire tying ring (6) is a wire tying space; a tooth groove is provided on the wire tying ring (6), and the intermediate gear (5) is meshingly connected to the tooth groove; an arc knife (7) is fixedly connected to the front side of the wire tying seat (3), one end of the wire tying ring (6) and the arc knife (7) are provided on the same side, and a knife head (9) is fixedly connected to the other end of the wire tying ring (6).

2. The handheld automatic wire tying machine according to claim 1, characterized in that: The wire tying ring (6) comprises a transmission part for rotating the wire tying ring (6), a limiting end for preventing the wire from leaving the wire tying space, and a shearing end for cutting the wire; the limiting end and the arc-shaped knife (7) are arranged on the same side, and the shearing end is fixedly connected to a knife head (9).

3. The handheld automatic wire tying machine according to claim 2, characterized in that: A first limiting block (8) for limiting the forward rotation angle of the wire binding ring (6) is fixedly connected to the outer side of the limiting end.

4. The handheld automatic wire tying machine according to claim 3, characterized in that: The arc-shaped knives (7) are arranged at intervals on the inner side of the wire binding ring (6).

5. The handheld automatic wire tying machine according to claim 2, characterized in that: A second limiting block (10) for limiting the reversal angle is fixedly connected to the inner side of the shearing end.

6. The handheld automatic wire tying machine according to claim 5, characterized in that: The end of the knife head (9) can be operatively abutted against the inner side wall of the arc-shaped knife (7).

7. The handheld automatic wire tying machine according to claim 1, characterized in that: Bearings (12) are installed at both the front and rear ends of the rotating seat (2), a front end cover (14) is installed at the front side of the rotating seat (2), and a rear end cover (15) is installed at the rear side of the rotating seat (2). The inner sides of the front end cover (14) and the rear end cover (15) are both abutted with limiting rings (13) for limiting the bearing (12), and the rotating shaft (31) passes through the front end cover (14) and the rear end cover (15).

8. The handheld automatic wire tying machine according to claim 1, characterized in that: A T-shaped guide block (321) is arranged on the slideway, a T-shaped guide groove (61) is arranged on the inner side of the wire binding ring (6), and the T-shaped guide block (321) is slidably connected in the T-shaped guide groove (61).

9. The handheld automatic wire tying machine according to claim 1, characterized in that: The second drive motor (19) is fixed on the outside of the wire binding seat (3); a balance block (20) is fixedly connected to the wire binding seat (3) on the back side of the second drive motor (19); and a gripping rod (21) for gripping steel bars is rotatably connected to the second drive motor (19) and the balance block (20).

10. The handheld automatic wire tying machine according to claim 9, characterized in that: The grab bar (21) comprises a rotating portion (211), a straight rod portion (213), an arc portion (215), and an arc hook portion (216) in sequence. The transition portion between the straight rod portion (213) and the arc portion (215) is also connected to an arc transition block (214). The arc transition block (214) is arranged on a side close to the arc hook portion (216).

Images