CN220645243U - Semiautomatic reinforcing steel bar binding device - Google Patents

Abstract

The utility model provides a semiautomatic steel bar binding device, which comprises: spiral lifting cylindrical hand lever; the wire tying hook tip is arranged at the wire tying end of the spiral lifting cylindrical hand lever and used for hooking the wire tying; the sliding sleeve is sleeved on the periphery of the spiral lifting cylindrical hand lever, and is in transmission connection with the outer wall of the spiral lifting cylindrical hand lever. According to the utility model, the two ends of the binding wire are hooked by the binding wire hook tip, the steel bar worker only needs to lift the sliding sleeve upwards, and the spiral lifting cylindrical hand rod drives the binding wire hook tip to rotate upwards, so that the binding wire is driven to automatically complete the twisting and fixing work. Compared with the common wire tying hook, the wire tying hook is simpler in operation, the steel bar lapping quality and efficiency are greatly improved, the operation is simple, the wire tying and twisting of the steel bars can be completed through lifting and lowering, the wrist strain of operators is greatly reduced, and meanwhile the production efficiency is improved.

Description

Semiautomatic reinforcing steel bar binding device

Technical Field

The utility model relates to the technical field of steel bar connection, in particular to a semiautomatic steel bar binding device.

Background

The steel bar is connected with lap joint, welding and sleeve connection technologies, and binding lap joint is commonly adopted when the diameter of the constructional engineering steel bar is smaller than 25 mm.

The existing steel bar tying hook is generally simple in design, low in binding efficiency and related to steel bar worker manual binding completely, the steel bar binding quality is insufficient in number of turns of tying threads, connection of the steel bars is unstable, and the like.

Disclosure of Invention

In view of the above, the utility model provides a semiautomatic steel bar binding device, which aims to solve the problems that the existing steel bar binding device is used for manually binding by a steel bar worker, so that the steel bar binding quality is unstable and a certain strain is caused to the wrist of the steel bar worker.

The utility model provides a semiautomatic steel bar binding device, which comprises: spiral lifting cylindrical hand lever; the wire tying hook tip is arranged at the wire tying end of the spiral lifting cylindrical hand lever and used for hooking the wire tying; the sliding sleeve is sleeved on the periphery of the spiral lifting cylinder hand lever, and is in transmission connection with the outer wall of the spiral lifting cylinder hand lever, and is used for moving upwards along the axial direction of the spiral lifting cylinder hand lever under the action of external force and driving the spiral lifting cylinder hand lever to rotate, so that the wire tying hook tip and the wire tying hook tip are driven to rotate, and when external force is withdrawn, the sliding sleeve can move downwards along the axial direction of the spiral lifting cylinder hand lever relative to the spiral lifting cylinder hand lever to screw the wire tying again, so that the twisting work is realized.

Further, the semiautomatic steel bar tying device, the sliding sleeve comprises: an inner sleeve; the outer sleeve is sleeved on the periphery of the inner sleeve, the outer sleeve is in transmission connection with the inner sleeve through a transmission piece, when the outer sleeve moves along the axial direction of the inner sleeve under the action of external force, after the outer sleeve moves upwards for a preset length relative to the inner sleeve, the transmission piece applies acting force to the inner sleeve, so that the inner sleeve clings to the outer wall of the spiral lifting cylindrical hand rod, moves upwards synchronously with the outer sleeve and drives the spiral lifting cylindrical hand rod to rotate, and after the external force is removed, the outer sleeve moves downwards for a preset length relative to the inner sleeve under the action of gravity, the transmission piece removes acting force on the inner sleeve, so that gaps are reserved between the inner sleeve and the outer wall of the spiral lifting cylindrical hand rod, and the inner sleeve can slide downwards along the periphery of the spiral lifting cylindrical hand rod under the action of gravity.

Further, the semiautomatic steel bar tying device, the inner sleeve comprises: two half-cylinder structures; the two semi-cylinder structures are oppositely arranged and connected in a mode of combining and separating, and are used for combining and surrounding to form a spiral cylinder body or separating to form a gap so as to realize linear sliding relative to the spiral ascending cylindrical hand lever; the outer wall of the spiral type ascending cylindrical hand lever is provided with a first spiral structure, the inner wall of the spiral type barrel is provided with a second spiral structure matched with the first spiral structure, so that when the two half-barrel structures are combined, the second spiral structure is in transmission connection with the first spiral structure, and the linear motion of the spiral type barrel is turned into the rotary motion of the spiral type ascending cylindrical hand lever.

Further, in the semiautomatic steel bar tying device, two butt joint wall surfaces of the two half cylinder structures are respectively provided with a rotary hole, a telescopic connecting rod is arranged between the two half cylinder structures at the rotary holes, and two ends of the telescopic connecting rod are respectively connected with the inner walls of the two rotary holes of the two half cylinder structures and are used for stretching along with the distance between the two half cylinder structures; the outer wall of the telescopic connecting rod is also sleeved with an adjusting spring, two ends of the adjusting spring are respectively connected with the two half cylinder structures, when the two half cylinder structures are combined, the adjusting spring is compressed to apply a reset force to the two half cylinder structures, so that after the acting force on the inner sleeve is withdrawn by the transmission piece, the two half cylinder structures move in opposite directions under the action of the reset force so as to be separated, and the linear sliding of the spiral lifting cylinder hand lever is realized.

Further, in the semiautomatic steel bar binding device, a first limiting support structure is arranged on the outer wall of the inner sleeve, a second limiting support structure is arranged on the inner wall of the outer sleeve, and the first limiting support structure and the second limiting support structure are arranged at intervals and are opposite to each other; the transmission piece is of a sphere structure and is slidably arranged between the inner sleeve and the outer sleeve, and the transmission piece is positioned between the first limit supporting structure and the second limit supporting structure; the transmission piece slides upwards along with the second limit supporting structure of the outer sleeve relative to the inner sleeve so as to contact the first limit supporting structure and move upwards gradually so as to be clamped between the first limit supporting structure and the second limit supporting structure, so that the inner sleeve moves axially synchronously along with the outer sleeve, the transmission piece also applies extrusion force to the inner sleeve and the outer sleeve, and the whole circumference of the inner wall of the inner sleeve is tightly attached to the outer wall of the spiral lifting cylindrical hand lever, so that spiral transmission between the inner sleeve and the spiral lifting cylindrical hand lever is realized; after external force on the outer sleeve is withdrawn, the second limiting support structure moves downwards along with the outer sleeve relative to the inner sleeve under the action of gravity, the transmission piece falls down under the action of gravity, and the transmission piece withdraws extrusion force on the inner sleeve and the outer sleeve, so that relative linear motion between the inner sleeve and the spiral lifting cylindrical hand rod is realized.

Further, in the semiautomatic steel bar tying device, a guiding structure is arranged on the outer wall of the inner sleeve along the axial direction of the inner sleeve, and/or a guiding structure is arranged on the inner wall of the outer sleeve and used for guiding the transmission piece to slide along the axial direction of the inner sleeve.

Further, in the semiautomatic steel bar binding device, the first limiting support structure is of a circular triangular pyramid structure, and the tip end of the first limiting support structure is downward and is used for guiding the inner sleeve extruded by the transmission part step by step; and/or the second limit supporting structure is in a circular triangular pyramid structure, and the tip end of the second limit supporting structure is arranged downwards.

Further, in the semiautomatic steel bar binding device, a double-spiral structure is arranged on the outer wall of the spiral lifting cylindrical hand lever.

Further, in the semiautomatic steel bar binding device, the hand-held end of the spiral lifting cylindrical hand bar is provided with a hand bar clamping stop.

Further, in the semiautomatic steel bar tying device, the wire tying hook tip and/or the hand lever is/are/is clamped and fixed at the end part of the spiral ascending cylindrical hand lever through welding.

According to the semiautomatic steel bar wire tying device, the two ends of a wire are hooked through the wire tying hook tip, the wire tying device is sleeved on the periphery of the spiral type ascending cylindrical hand rod through the sliding sleeve, the sliding sleeve moves upwards along the axial direction of the spiral type ascending cylindrical hand rod under the action of external force and drives the spiral type ascending cylindrical hand rod to rotate, the wire tying hook tip and the wire tying hooked by the wire tying hook tip are driven to rotate, wire tying screwing is achieved, when the external force is withdrawn, the sliding sleeve can move downwards along the axial direction of the spiral type ascending cylindrical hand rod relative to the spiral type ascending cylindrical hand rod, namely, in the process again, the spiral type ascending cylindrical hand rod does not rotate, the sliding sleeve can be reset to the initial position, and then the sliding sleeve can move upwards again to screw the wire tying again, multiple times of screwing of the wire tying is achieved, and wire tying fixing work is achieved. That is, the annular binding wire passes the butt joint reinforcing bar, and with the ring at binding wire both ends of binding wire hook, the reinforcing bar worker only need upwards lift sliding sleeve, and the column hand lever is risen through the spiral and is driven the binding wire to collude sharp upward and do rotary motion to drive the binding wire and accomplish automatically and twist and prick fixed work. Compared with the common wire tying hook, the operation is simpler, the steel bar lapping quality and efficiency are greatly improved, the operation is simple, the wire tying twisting of the steel bars can be completed through lifting and lowering, the wrist strain of operators is greatly reduced, the production efficiency is improved, and the problems that the conventional wire tying hook is unstable in steel bar binding quality and causes a certain strain to the wrist of a steel bar worker due to manual binding of the steel bar worker are solved.

Drawings

Various other advantages and benefits will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiments. The drawings are only for purposes of illustrating the preferred embodiments and are not to be construed as limiting the utility model. Also, like reference numerals are used to designate like parts throughout the figures. In the drawings:

fig. 1 is a schematic structural view of a semiautomatic reinforcing bar binding device according to an embodiment of the present utility model;

fig. 2 is a schematic structural view of a spiral lifting cylindrical hand lever according to an embodiment of the present utility model;

fig. 3 is a cross-sectional view of a sliding sleeve according to an embodiment of the present utility model.

Detailed Description

Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art. It should be noted that, without conflict, the embodiments of the present utility model and features of the embodiments may be combined with each other. The utility model will be described in detail below with reference to the drawings in connection with embodiments.

Referring to fig. 1 to 3, a preferred structure of a semiautomatic reinforcing bar binding apparatus provided by an embodiment of the present utility model is shown. As shown, the apparatus includes: a spiral lifting cylinder hand lever 1, a wire tying hook tip 2 and a sliding sleeve 3; wherein,

the wire tying hook tip 2 is arranged at the wire tying end (the lower left end as shown in fig. 1) of the spiral lifting cylinder hand lever 1 and is used for hooking the wire tying. Specifically, the wire tying hook tip 2 can be fixed at the wire tying end of the spiral ascending cylindrical hand lever 1 through welding, and can penetrate through the butt joint reinforcing steel bars and hook the rings at the two ends of the wire tying, namely, hook the wire tying which is sleeved on the periphery of the butt joint reinforcing steel bars and is in a ring structure. In this embodiment, the outer wall of the spiral lifting cylindrical hand lever 1 is provided with a first spiral structure 11, so that when the sliding sleeve 3 slides along the axial direction of the spiral lifting cylindrical hand lever 1 relative to the spiral lifting cylindrical hand lever 1, the sliding sleeve 3 can rotate under the driving action of the sliding sleeve 3. In this embodiment, the outer wall of the spiral lifting cylindrical hand lever is provided with a double spiral structure, that is, the first spiral structure 11 is a double spiral structure, so as to ensure the rotation stability of the spiral lifting cylindrical hand lever 1. The hand-held end (upper right end as shown in fig. 1) of the spiral ascending cylindrical hand lever 1 is provided with a hand lever clamping part 12 for limiting the sliding sleeve 3, and the spiral ascending cylindrical hand lever is convenient to hold and convenient to fix the binding wire. The hand lever locking member 12 may be fixed to the hand-held end of the spiral lifting cylindrical hand lever 1 by welding, but may be fixed by other means, and is not limited in this embodiment.

The periphery at spiral cylinder handle bar 1 that rises is established to sliding sleeve 3 cover to sliding sleeve 3 is connected with the outer wall transmission of spiral cylinder handle bar 1 that rises for along the axial upward motion of spiral cylinder handle bar 3 under the exogenic action, and drive spiral cylinder handle bar 1 and rotate, and then drive the wire to collude sharp 3 and the wire to collude the wire that sharp 3 colluded and rotate, realize the wire to twist, and when external force withdraws, sliding sleeve 3 can follow the axial of spiral cylinder handle bar 1 that rises for spiral cylinder handle bar 1 downward movement, with reset to initial position, and then twist the wire soon again, realize twisting fixed work. Specifically, the sliding sleeve 3 is coaxially sleeved outside the spiral lifting cylindrical hand rod 1 along the axial direction of the spiral lifting cylindrical hand rod 1, and the sliding sleeve 3 is in transmission connection with the outer wall of the spiral lifting cylindrical hand rod 1, under the action of external force, the sliding sleeve 3 moves upwards along the axial direction of the spiral lifting cylindrical hand rod 1 (in the direction shown in fig. 3), drives the spiral lifting cylindrical hand rod 1 to rotate, further drives the wire tying hook tip 3 and the wire tying hook tip 3 to hook the wire tying to rotate, screwing of the wire tying is achieved, and when the external force is withdrawn, the sliding sleeve 3 can move downwards along the axial direction of the spiral lifting cylindrical hand rod 1 in a straight line relative to the spiral lifting cylindrical hand rod 1, namely, the spiral lifting cylindrical hand rod 1 does not rotate again, the sliding sleeve 3 can be reset to an initial position, and then the sliding sleeve 3 can move upwards again to screw the wire tying again, screwing of multiple times is achieved, and screwing and fixing of the wire tying is achieved.

With continued reference to fig. 3, the sliding sleeve 3 comprises: an inner sleeve 31, an outer sleeve 32 and a transmission 33; wherein, the outer sleeve 32 is sleeved on the outer circumference of the inner sleeve 31, and the outer sleeve 32 is connected with the inner sleeve 31 by a transmission member 33 in a transmission way, when the outer sleeve 32 moves along the axial direction of the inner sleeve 31 under the action of external force, after the outer sleeve 32 moves upwards for a preset length relative to the inner sleeve 31, the transmission member 33 applies a force to the inner sleeve 31, so that the inner sleeve 31 clings to the outer wall of the spiral lifting cylindrical hand lever 1, moves upwards synchronously with the outer sleeve 32 and drives the spiral lifting cylindrical hand lever 1 to rotate, and after the external force is removed, the outer sleeve 32 moves downwards for a preset length relative to the inner sleeve 31 under the action of gravity, the transmission member 33 removes the force to the inner sleeve 31, so that the inner sleeve 31 has a gap with the outer wall of the spiral lifting cylindrical hand lever 1, and the inner sleeve 31 can slide downwards along the outer circumference of the spiral lifting cylindrical hand lever 1 under the action of gravity.

Specifically, the outer sleeve 32 may be an integral hollow sleeve structure with two open ends, so as to be sleeved outside the inner sleeve 31; the outer sleeve 32 and the inner sleeve 31 are provided with a gap therebetween, the transmission member 33 is slidably arranged between the outer sleeve 32 and the inner sleeve 31 along the axial direction of the outer sleeve 32, and is used for switching the state of the inner sleeve 31, so that the inner sleeve 31 is in a close-fitting state or a separation state, and when in the close-fitting state, the inner wall of the inner sleeve 31 is closely attached to the outer wall of the spiral lifting cylindrical hand lever 1, the inner wall and the outer wall of the spiral lifting cylindrical hand lever 1 are combined to form a ball screw mechanism, so that sliding, namely linear movement, of the inner sleeve 31 is converted into rotation of the spiral lifting cylindrical hand lever 1, and further, a wire tying is realized, and when in the separation state, a gap is arranged between the inner wall of the inner sleeve 31 and the outer wall of the spiral lifting cylindrical hand lever 1, so that the inner sleeve 31 can slide relatively on the spiral lifting cylindrical hand lever 1. In this embodiment, the transmission member 33 may be a spherical structure, which is slidably disposed between the inner sleeve 31 and the outer sleeve 32, so that when the outer sleeve 32 slides up to a preset position relative to the inner sleeve 31, the transmission member 33 slides up to the preset position, and the transmission member 33 may apply a force to the inner sleeve 31 to switch the inner sleeve 31 to a close state, and when the outer sleeve 32 slides down relative to the inner sleeve 31, the transmission member 33 may then drop down, so that the force to the inner sleeve 31 may be removed, and the inner sleeve 31 may switch to a separated state. Wherein, the transmission member 33 may be plural and uniformly arranged along the circumferential direction of the inner sleeve 31 to ensure uniformity of the application of the force; the diameter of the sphere structure is slightly smaller than the distance between the inner sleeve and the outer sleeve.

In this embodiment, in order to realize the state switching of the inner sleeve 31, preferably, a first limiting support structure 312 is disposed on the outer wall of the inner sleeve 31, and a second limiting support structure 321 is disposed on the inner wall of the outer sleeve 32, and the two structures are disposed at intervals and opposite to each other; the transmission member 33 is a spherical structure, and is slidably arranged between the inner sleeve 31 and the outer sleeve 32, and the transmission member 33 is positioned between the first limiting support structure 312 and the second limiting support structure 321; the transmission piece 33 slides upwards along with the second limit supporting structure 321 of the outer sleeve 32 relative to the inner sleeve 31 to contact the first limit supporting structure 312 and move upwards gradually to be clamped between the first limit supporting structure 312 and the second limit supporting structure 322, so that the inner sleeve 31 moves synchronously and axially along with the outer sleeve 32, the transmission piece 33 also applies extrusion force to the inner sleeve 31 and the outer sleeve 32, the whole circumference of the inner wall of the inner sleeve 31 is tightly attached to the outer wall of the spiral lifting cylindrical hand lever 1, and spiral transmission between the inner sleeve 31 and the spiral lifting cylindrical hand lever 1 is realized; after the external force on the outer sleeve 32 is removed, the second limiting support structure 322 moves downwards along with the outer sleeve 32 relative to the inner sleeve 31 under the action of gravity, the transmission piece 33 falls under the action of gravity, and the transmission piece 33 removes the extrusion force on the inner sleeve 31 and the outer sleeve 32, so that the relative linear motion between the inner sleeve 31 and the spiral lifting cylindrical hand lever 1 is realized.

Specifically, the first limiting support structure 312 and the second limiting support structure 321 limit the driving member 33, the second limiting support structure 321 guides the driving member 33, so that the driving member 33 can slide up and down along with the second limiting support structure 321, so as to move relative to the inner sleeve 31, namely, the first limiting support structure 312, and further approach the first limiting support structure 312, and squeeze the first limiting support structure 312, so that the inner sleeve 31 is switched to a close state, spiral transmission between the inner sleeve 31 and the spiral lifting cylindrical hand bar 1 is realized, and the driving member can be far away from the first limiting support structure 312, for example, a gap is reserved between the driving member and the first limiting support structure 312, so that the inner sleeve 31 is switched to a separated state, and relative linear movement between the inner sleeve 31 and the spiral lifting cylindrical hand bar 1 is realized, and further reset of the inner sleeve 31 is realized. The first limiting support structure 312 is in a circular triangular pyramid structure, and the tip of the first limiting support structure is downward and is used for guiding the inner sleeve 31 gradually extruded by the transmission piece 33; and/or, the second limiting support structure 321 is in a circular triangular pyramid structure, and the tip end of the second limiting support structure can be downward, and the transmission member 33 is supported by the top support, so that the transmission member 33 slides along with the second limiting support structure 321. In this embodiment, the outer wall of the inner sleeve 31 is provided with guiding structures along its axial direction and/or the inner wall of the outer sleeve 32 is provided with guiding structures for guiding the sliding of the transmission member 33 along the axial direction of the inner sleeve.

In the present embodiment, the inner sleeve 31 includes: two half-cylinder structures 311; the two half cylinder structures 311 are oppositely arranged and connected in a mode of combining and separating, and are used for combining and enclosing to form a spiral cylinder body or separating to form a gap so as to realize linear sliding relative to the spiral lifting cylindrical hand lever 1; the outer wall of the spiral ascending cylindrical hand lever 1 is provided with a first spiral structure 11, and the inner wall of the spiral cylinder body is provided with a second spiral structure matched with the first spiral structure 11, so that when the two half cylinder structures 311 are combined, the second spiral structure is in transmission connection with the first spiral structure 11, and the linear motion of the spiral cylinder body is turned into the rotary motion of the spiral ascending cylindrical hand lever 1.

Specifically, the inner sleeve 31 is formed by pouring a portion of the inner sleeve 31 attached to the spiral lifting cylindrical hand lever 1, and the inner sleeve 31 is cut in half from the vertical direction to obtain two half-cylinder structures 311, so that the inner walls of the two half-cylinder structures 311 are provided with spiral structures adapted to the first spiral structure 11. The two butt joint wall surfaces of the two half cylinder structures 311 are respectively provided with a rotating hole 3111, a telescopic connecting rod (not shown in the figure) is arranged between the two half cylinder structures 311 at the rotating hole 3111, and two ends of the telescopic connecting rod are respectively connected with the inner walls of the two rotating holes 3111 of the two half cylinder structures 311 and used for stretching along with the distance between the two half cylinder structures 311; the outer wall of the telescopic connecting rod is further sleeved with an adjusting spring (not shown in the figure), two ends of the adjusting spring are respectively connected with the two half cylinder structures 311, when the two half cylinder structures 311 are combined, the adjusting spring is compressed to apply a restoring force to the two half cylinder structures 311, so that after the acting force on the inner sleeve 31 is withdrawn by the transmission piece 33, the two half cylinder structures 311 move in opposite directions under the action of the restoring force to be separated, and linear sliding relative to the spiral lifting cylindrical hand rod 1 is realized. Two rotary holes 311 are symmetrically arranged at the middle upper part and the middle lower part of the side wall surface of the two half-cylinder structures 311, four rotary holes 311 are totally arranged, and an adjusting spring is additionally arranged between the two rotary holes 311 for connecting, so that the inner sleeve 31 is separated from the middle by a gap of 2 mm. The adjusting spring at the joint of the two half cylinder structures 311 is provided with a telescopic connecting rod which is inserted into the rotating hole 311, so that the cutting-off of the adjusting spring due to shearing force in the moving process of the inner sleeve 31 is avoided.

The installation process of the semiautomatic steel bar binding device comprises the following steps: the inner sleeve 31 is assembled on the double spiral ascending cylindrical hand rod 1, then the outer sleeve 32 is sleeved into the spiral ascending cylindrical hand rod 1, 4 round balls are put into the double spiral ascending cylindrical hand rod as a transmission piece 33 when the inner sleeve and the outer sleeve are connected, and then the wire tying hook tip 2 and the hand rod clamping piece 12 are welded.

The use principle of the semiautomatic steel bar binding device is as follows:

in a natural state, the sliding sleeve 2 is located at the lower end of the spiral ascending cylindrical hand rod 1, the adjusting spring is installed on the inner wall of the inner sleeve 31 to enable the two half-cylinder structures 311 to be separated from each other by 2mm gaps, when an operator lifts the sliding sleeve 2, the outer sleeve 32 moves upwards, the second limiting support structure 321 on the outer sleeve 32 drives the ball body, namely the transmission piece 33, to move upwards, then the first limiting support structure 312 on the inner sleeve 31 is clamped, the ball body extrudes the inner sleeve 31 to enable the inner sleeve 31 to separate by 2mm gaps to be combined, the inner sleeve 31 is attached to the spiral ascending cylindrical hand rod 1, and the wire tying hook tip 2 is driven to rotate. When an operator naturally puts down the sliding sleeve 2, the spherical body naturally falls, the two half-cylinder structures 311 are naturally separated from the middle by a gap of 2mm under the action of the adjusting spring, the inner sleeve 31 is not attached to the spiral lifting cylindrical hand lever 1 in the falling process, and the free falling of the sliding sleeve 2 can be realized under the action of natural gravity. The operator lifts up for 1-2 times to finish the butt joint binding work of the reinforcing steel bars.

To sum up, the semiautomatic reinforcing bar wire binding device provided in this embodiment hooks the two ends of the wire to be bound through the wire binding hook tip 2, establishes the periphery at the spiral ascending cylinder hand lever 1 through the sleeve 3 sleeve that slides, under the exogenic action, the sleeve 3 that slides moves upwards along the axial of spiral ascending cylinder hand lever 1, and drive the spiral ascending cylinder hand lever 1 to rotate, and then drive the wire binding hook tip 3 and the wire binding hook tip 3 to hook to catch the wire to rotate, realize the wire binding to twist, and when the exogenic withdrawal, the sleeve 3 that slides can rise the axial of cylinder hand lever 1 along the spiral and rise cylinder hand lever 1 straight line downward movement for spiral ascending cylinder hand lever 1, namely in-process again, sleeve 3 that slides can reset to initial position, and then make sleeve 3 upwards move once more, so as to twist the wire binding many times, realize the screwing of wire binding, thereby realize the fixing work of tying. That is, the annular binding wire passes through the butt joint reinforcing steel bar, the two ends of the binding wire are annular by the binding wire hook 2, the reinforcing steel bar worker only needs to lift the sliding sleeve 3 upwards, and the spiral lifting cylinder hand lever 1 drives the binding wire hook tip 2 to rotate upwards, so that the binding wire is driven to automatically complete the twisting and fixing work. Compared with the common wire tying hook, the operation is simpler, the steel bar lapping quality and efficiency are greatly improved, the operation is simple, the wire tying twisting of the steel bars can be completed through lifting and lowering, the wrist strain of operators is greatly reduced, the production efficiency is improved, and the problems that the conventional wire tying hook is unstable in steel bar binding quality and causes a certain strain to the wrist of a steel bar worker due to manual binding of the steel bar worker are solved.

It should be noted that, in the description of the present utility model, terms such as "upper," "lower," "left," "right," "inner," "outer," and the like indicate directions or positional relationships based on the directions or positional relationships shown in the drawings, which are merely for convenience of description, and do not indicate or imply that the apparatus or elements must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

Furthermore, it should be noted that, in the description of the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those skilled in the art according to the specific circumstances.

It will be apparent to those skilled in the art that various modifications and variations can be made to the present utility model without departing from the spirit or scope of the utility model. Thus, it is intended that the present utility model also include such modifications and alterations insofar as they come within the scope of the appended claims or the equivalents thereof.

Claims (9)

1. A semiautomatic rebar tying device, comprising:

spiral lifting cylindrical hand lever;

the wire tying hook tip is arranged at the wire tying end of the spiral lifting cylindrical hand lever and used for hooking the wire tying;

the sliding sleeve is sleeved on the periphery of the spiral lifting cylindrical hand rod, is in transmission connection with the outer wall of the spiral lifting cylindrical hand rod, and is used for moving upwards along the axial direction of the spiral lifting cylindrical hand rod under the action of external force and driving the spiral lifting cylindrical hand rod to rotate, so that the wire tying hook tip and the wire tying hooked by the wire tying hook tip are driven to rotate, and when the external force is removed, the sliding sleeve can move downwards along the axial direction of the spiral lifting cylindrical hand rod relative to the spiral lifting cylindrical hand rod to screw the wire tying again, so that the wire tying work is realized;

the sliding sleeve includes:

an inner sleeve;

the outer sleeve is sleeved on the periphery of the inner sleeve, the outer sleeve is in transmission connection with the inner sleeve through a transmission piece, when the outer sleeve moves along the axial direction of the inner sleeve under the action of external force, after the outer sleeve moves upwards for a preset length relative to the inner sleeve, the transmission piece applies acting force to the inner sleeve, so that the inner sleeve clings to the outer wall of the spiral lifting cylindrical hand rod, moves upwards synchronously with the outer sleeve and drives the spiral lifting cylindrical hand rod to rotate, and after the external force is removed, the outer sleeve moves downwards for a preset length relative to the inner sleeve under the action of gravity, the transmission piece removes acting force on the inner sleeve, so that gaps are reserved between the inner sleeve and the outer wall of the spiral lifting cylindrical hand rod, and the inner sleeve can slide downwards along the periphery of the spiral lifting cylindrical hand rod under the action of gravity.

2. The semiautomatic reinforcing bar binding apparatus of claim 1, wherein the inner sleeve comprises: two half-cylinder structures; wherein,

the two semi-cylinder structures are oppositely arranged and connected in a mode of being capable of being combined and separated, and are used for being combined and enclosed to form a spiral cylinder body or separated to form a gap so as to realize linear sliding relative to the spiral lifting cylindrical hand lever;

the outer wall of the spiral type ascending cylindrical hand lever is provided with a first spiral structure, the inner wall of the spiral type barrel is provided with a second spiral structure matched with the first spiral structure, so that when the two half-barrel structures are combined, the second spiral structure is in transmission connection with the first spiral structure, and the linear motion of the spiral type barrel is turned into the rotary motion of the spiral type ascending cylindrical hand lever.

3. The semiautomatic reinforcing bar binding apparatus of claim 2, wherein,

the two butt joint wall surfaces of the two half cylinder structures are respectively provided with a rotating hole, a telescopic connecting rod is arranged between the two half cylinder structures at the rotating holes, and two ends of the telescopic connecting rod are respectively connected with the inner walls of the two rotating holes of the two half cylinder structures and used for stretching along with the distance between the two half cylinder structures;

the outer wall of the telescopic connecting rod is also sleeved with an adjusting spring, two ends of the adjusting spring are respectively connected with the two half cylinder structures, when the two half cylinder structures are combined, the adjusting spring is compressed to apply a reset force to the two half cylinder structures, so that after the acting force on the inner sleeve is withdrawn by the transmission piece, the two half cylinder structures move in opposite directions under the action of the reset force so as to be separated, and the linear sliding of the spiral lifting cylinder hand lever is realized.

4. The semiautomatic reinforcing bar binding apparatus of claim 1, wherein,

the outer wall of the inner sleeve is provided with a first limit supporting structure, the inner wall of the outer sleeve is provided with a second limit supporting structure, and the first limit supporting structure and the second limit supporting structure are arranged at intervals and are opposite to each other;

the transmission piece is of a sphere structure and is slidably arranged between the inner sleeve and the outer sleeve, and the transmission piece is positioned between the first limit supporting structure and the second limit supporting structure;

the transmission piece slides upwards along with the second limit supporting structure of the outer sleeve relative to the inner sleeve so as to contact the first limit supporting structure and move upwards gradually so as to be clamped between the first limit supporting structure and the second limit supporting structure, so that the inner sleeve moves axially synchronously along with the outer sleeve, the transmission piece also applies extrusion force to the inner sleeve and the outer sleeve, and the whole circumference of the inner wall of the inner sleeve is tightly attached to the outer wall of the spiral lifting cylindrical hand lever, so that spiral transmission between the inner sleeve and the spiral lifting cylindrical hand lever is realized;

after external force on the outer sleeve is withdrawn, the second limiting support structure moves downwards along with the outer sleeve relative to the inner sleeve under the action of gravity, the transmission piece falls down under the action of gravity, and the transmission piece withdraws extrusion force on the inner sleeve and the outer sleeve, so that relative linear motion between the inner sleeve and the spiral lifting cylindrical hand rod is realized.

5. The semiautomatic reinforcing bar binding apparatus of claim 4, wherein,

the outer wall of the inner sleeve is provided with a guide structure along the axial direction of the inner sleeve, and/or the inner wall of the outer sleeve is provided with a guide structure for guiding the transmission piece to slide along the axial direction of the inner sleeve.

6. The semiautomatic reinforcing bar binding apparatus of claim 4, wherein,

the first limit supporting structure is of a circular triangular pyramid structure, and the tip end of the first limit supporting structure is downward and is used for guiding the inner sleeve extruded by the transmission part step by step; and/or the number of the groups of groups,

the second limiting support structure is of a circular triangular pyramid structure, and the tip end of the second limiting support structure is arranged downwards.

7. The semiautomatic reinforcing bar binding apparatus as claimed in any of claims 1 to 6, characterized in that,

the outer wall of the spiral ascending cylindrical hand lever is provided with a double-spiral structure.

8. The semiautomatic reinforcing bar binding apparatus as claimed in any of claims 1 to 6, characterized in that,

the hand-held end of the spiral lifting cylinder hand lever is provided with a hand lever clamping stop.

9. The semiautomatic reinforcing bar binding apparatus of claim 8, wherein,

the wire tying hook tip and/or the hand lever clamping device are/is fixed at the end part of the spiral ascending cylindrical hand lever through welding.