Automatic threading device for sleeper prestressed reinforcements

Abstract

The utility model relates to an automatic threading device for sleeper prestressed reinforcements, which is used for automatically threading reinforcements on a bracket into an iron baffle plate, and comprises a rack, an automatic threading device and an automatic threading device, the wire grabbing mechanism is provided with a grabbing claw for grabbing the reinforcing steel bars placed on the bracket; the wire feeding mechanism is used for inserting the reinforcing steel bars grabbed by the wire grabbing mechanism into wire penetrating holes formed in the iron baffles and enabling the reinforcing steel bars to penetrate through the wire penetrating holes; wherein the wire grabbing mechanism and the wire feeding mechanism are arranged on a mounting frame, and the mounting frame is movably arranged on the rack, so that the mounting frame moves up and down along the Z axis and moves back and forth along the Y axis. A steel wire is grabbed through the wire grabbing mechanism, and after the steel wire is driven by the mounting frame to be aligned with the wire penetrating hole in the iron baffle, the wire feeding mechanism moves on the mounting frame in the wire feeding direction to insert a reinforcing steel bar into the wire penetrating hole, so that automatic wire penetrating is achieved, the automation degree is high, the manual operation amount of the wire penetrating procedure is greatly reduced, the labor intensity is reduced, and the wire penetrating efficiency is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to a sleeper prestressed reinforcement automatic threading device belongs to concrete sleeper production technical field. BACKGROUND

[0002] Sleeper prestressed reinforcement divides the filament into the mould and is the important procedure of the prestressed concrete sleeper production process. The prestressed reinforcement must be made into the group before the concrete perfusion, and is drawn after entering the mould. The sleeper usually sets up multiple prestressed reinforcements to guarantee its force performance, and the steel bar quantity is much, and the length is big, and it is not favorable to manual grouping and entering the mould, therefore, the prestressed reinforcement grouping and entering the mould operation is the most time-consuming and labor-consuming procedure in the production of concrete sleeper.

[0003] In order to improve the production efficiency and reduce the labor intensity of workers, the application number 202211667984X invention patent application discloses a sleeper prestressed steel wire automatic grouping device, automatic grouping and entering the mould system and method, and the technical scheme of the invention patent can automatically divide the baffle to the position and automatically group the steel wire. However, when the device of the above patent application is used for grouping the steel wire, the device needs to be divided to the position after the workers pass one end of the steel wire through the iron baffle, which leads to low automation degree of the device, high artificial participation degree and high labor intensity. Therefore, reducing the labor intensity of the sleeper prestressed reinforcement threading procedure becomes a problem to be solved in the production process of concrete sleeper. UTILITY MODEL CONTENT

[0004] In view of the defects and deficiencies in the above background technology, the utility model provides a sleeper prestressed reinforcement automatic threading device, which has high automation degree and reduces the labor intensity of workers.

[0005] To achieve the above object, the utility model provides a sleeper prestressed reinforcement automatic threading device for automatically threading the steel bar on the bracket into the iron baffle, which comprises a rack, a wire grabbing mechanism provided with a grabbing claw for grabbing the steel bar placed on the bracket, and a wire feeding mechanism for inserting and threading the steel bar grabbed by the wire grabbing mechanism through the threading hole formed on the iron baffle, wherein the wire grabbing mechanism and the wire feeding mechanism are arranged on a mounting rack, and the mounting rack is movably arranged on the rack to move up and down along the Z axis and move back and forth along the Y axis.

[0006] Preferably, the wire grabbing mechanism comprises two grabbing plates arranged oppositely and wire grabbing cylinders, the grabbing plates are installed on the wire grabbing cylinders to realize the opening and closing of the two grabbing plates under the driving of the wire grabbing cylinders, and the two wire grabbing cylinders are fixedly arranged at the two ends of the mounting rack respectively.

[0007] Preferably, a groove with arc-shaped cross section is formed on the lower part of the opposite side of each of the two said clamping plates, and the grooves on the two clamping plates form a circular accommodating cavity when the two clamping plates are closed, and the inner diameter of the accommodating cavity is slightly larger than the diameter of the steel bar, so that the steel bar moves along the X axis in the accommodating cavity.

[0008] Preferably, the wire feeding mechanism comprises: clamping blocks; a wire feeding cylinder which is slidingly installed on the mounting frame through a sliding seat, a linear guide rail arranged along the X axis direction is arranged on the mounting frame, the sliding seat is slidingly connected with the linear guide rail to form a sliding pair; and a driving cylinder which is arranged on the mounting frame, the piston rod of the driving cylinder is connected with the sliding seat to drive the sliding seat to reciprocatingly move along the linear guide rail; wherein, the two clamping blocks are oppositely arranged, and arc-shaped grooves adapted to the steel bar are arranged on the opposite surfaces of the two clamping blocks, so that the steel bar is located in the cavity formed by the two arc-shaped grooves when the two clamping blocks are closed, and the steel bar is clamped.

[0009] Preferably, one of the two clamping blocks is a movable clamping block, and the other is a fixed clamping block, the fixed clamping block is fixedly connected with the door-shaped fixing frame, the fixing frame is fixedly installed on the cylinder body of the wire feeding cylinder, the piston rod of the wire feeding cylinder extends into the fixing frame through the top plate of the fixing frame, the movable clamping block is connected with the piston rod through connecting plates fixedly arranged at the two ends of the movable clamping block, and the connecting plates are hingedly connected with the fixing frame, so that the movable clamping block moves towards the fixed clamping block or away from the fixed clamping block under the driving of the piston rod, and the clamping blocks are opened or closed.

[0010] Preferably, an ear plate is arranged on the upper part of the rear side of the connecting plate, a long circular mounting hole is formed on one side of the ear plate, the connecting plate is hingedly connected with the connecting plate through a pin shaft installed in the ear plate, and the piston rod is connected with the connecting plate through a connecting shaft installed in the ear plate.

[0011] Compared with the prior art, the rail sleeper prestressed steel bar automatic wire feeding device has the following technical effects:

[0012] The rail sleeper prestressed steel bar automatic wire feeding device of the utility model can realize automatic wire feeding through the wire feeding mechanism and the clamping blocks, and the degree of automation is high, the amount of manual operation in the wire feeding process is greatly reduced, the labor intensity is reduced, and the wire feeding efficiency is improved. BRIEF DESCRIPTION OF DRAWINGS

[0013] The drawings constituting a part of this specification, used to further understand the utility model, show the preferred embodiments of the utility model, and are used to illustrate the principles of the utility model together with the specification. In the drawings:

[0014] Figure 1 Fig. 1 is a workshop layout schematic diagram of the sleeper prestressed steel bar automatic threading device of the present application;

[0015] Figure 2 Fig. 2 is a connection relationship schematic diagram of the wire grabbing mechanism, wire feeding mechanism and mounting frame of the sleeper prestressed steel bar automatic threading device of the present application.

[0016] The meaning represented by the reference signs in the figure is as follows: 1, rack, 101, stand column, 102, cross beam, 103, first sliding groove; 2, wire grabbing mechanism, 201, grabbing plate, 202, wire grabbing cylinder, 203, accommodating cavity; 3, wire feeding mechanism, 301, feeding cylinder, 302, clamping block, 3021, fixed clamping block, 3022, movable clamping block, 303, arc-shaped groove, 304, fixing frame, 305, connecting plate, 306, mounting hole, 307, through hole; 4, mounting frame; 5, sliding seat, 6, driving cylinder, 7, locking nut; 8, linear guide rail, 9, connecting rod;

[0017] 100, bracket; 200, automatic grouping device; 300, steel wire; 400, iron baffle. DETAILED DESCRIPTION

[0018] The embodiments of the present application will be described in detail below with reference to the accompanying drawings, but the present application can be implemented in various different ways limited and covered by the claims.

[0019] It should be noted that the terms used in the present application are only for describing the specific embodiments, and are not intended to limit the exemplary embodiments according to the present application. As used in the present application, the singular form is intended to include the plural form unless the context clearly indicates otherwise, and furthermore, it should be understood that when the terms "comprise" and / or "include" are used in the present application, it means that the features, devices, components and / or combinations thereof are present.

[0020] In the description of the present application, it should be understood that the orientation or positional relationship indicated by the terms "length", "thickness", "upper", "lower", "front", "rear", "vertical", "horizontal", "inner", "outer", "head", "tail" and the like is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present application and simplifying the description, and does not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application.

[0021] In addition, it should be noted that unless otherwise specified and limited, the terms "mounting", "connecting", "connecting" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium, or it can be connected inside two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0022] In addition, it should be noted that the use of the terms "first", "second" and the like to limit parts is only for the convenience of distinguishing the corresponding parts, and if there is no further declaration, the above terms have no special meaning, and therefore cannot be understood as limiting the scope of protection of the present application.

[0023] In addition, the X, Y and Z axes referred to in the description of the present application refer to three-dimensional coordinate axes, the X axis describes left-right movement, the Z axis describes up-down movement, and the Y axis describes front-back movement.

[0024] Embodiment: as Figure 1 shown, a sleeper prestressed steel wire automatic threading device, the sleeper prestressed steel wire automatic threading device of the utility model is arranged between bracket 100 and automatic grouping device 200, can automatically thread steel wire 300 on bracket 100 into iron baffle 400, cooperates to improve the degree of automation of threading, reduces manual work, and reduces labor intensity. The automatic grouping device 200 involved in the present embodiment is the sleeper prestressed steel wire automatic grouping device disclosed in the invention patent application with the application number: 202211667984X, and its specific structure is not described here. The specific structure of the sleeper prestressed steel wire automatic threading device of the utility model is as follows:

[0025] Referring to Figure 1 and Figure 2The sleeper prestressed steel wire automatic threading device of the embodiment comprises a rack 1, a wire grabbing mechanism 2 and a wire feeding mechanism 3. The wire grabbing mechanism 2 is provided with a grabbing claw for grabbing the prestressed steel wire 300 placed on the bracket 100. The wire feeding mechanism 3 inserts and threads the steel wire 300 grabbed by the wire grabbing mechanism 2 through the wire threading hole opened on the iron baffle 400. The wire grabbing mechanism 2 and the wire feeding mechanism 3 are arranged on the mounting rack 4, which is movably arranged on the rack 1, so that the mounting rack 4 moves up and down along the Z axis and moves forward and backward along the Y axis. Specifically, two wire grabbing mechanisms 2 are arranged at the two ends of the mounting rack 4, and the wire feeding mechanism 3 is located between the two wire grabbing mechanisms 2. Such arrangement can better maintain the stability of the steel wire 300 during the wire feeding process, which is beneficial to wire threading. In the embodiment, the mounting rack 4 is a cuboid frame structure, which is installed on the rack 1 by a driving device. In practice, the mounting rack 4 can be processed from a section steel, and the length direction of the mounting rack 4 is arranged along the wire feeding direction, that is, the X axis direction. In the embodiment, the wire grabbing mechanism 2 grabs the steel wire 300 on the bracket 100, and the wire feeding mechanism 3 also clamps the steel wire at the same time. The driving mechanism drives the mounting rack 4 to move, so that the steel wire 300 is aligned with the wire threading hole on the iron baffle 400. At this time, the wire feeding mechanism 3 moves along the X axis direction on the mounting rack 4, and inserts the steel wire 300 into the wire threading hole.

[0026] The wire grabbing mechanism 2 comprises a grabbing plate 201 and a wire grabbing cylinder 202. Two grabbing plates 201 are oppositely arranged. The wire grabbing cylinder 202 is arranged on the grabbing plate 201, so that the two grabbing plates 201 are opened and closed under the driving of the wire grabbing cylinder 202. Two wire grabbing cylinders 202 are fixedly arranged at the two ends of the mounting rack 4. In the example, the wire grabbing cylinder 202 is a pneumatic clamp finger, and two grabbing plates 201 are respectively arranged on the fingers of the pneumatic clamp finger. A groove with an arc-shaped cross section is formed on the lower part of the opposite side of each grabbing plate 201. When the two grabbing plates 201 are closed, the grooves on the two grabbing plates 201 form a circular accommodating cavity 203. The inner diameter of the accommodating cavity 203 is slightly larger than the diameter of the steel wire 300, so that the steel wire 300 moves along the X axis in the accommodating cavity 203 without shaking.

[0027] The wire feeding mechanism 3 comprises a clamp block 302 and a wire feeding cylinder 301, the wire feeding cylinder 301 is slidably installed on the mounting frame 4 through a sliding seat 5, a linear guide rail is arranged on the mounting frame 4 along the X-axis direction, the sliding seat 5 is slidably connected with the linear guide rail 8 to form a sliding pair. A driving cylinder 6 is fixedly installed on the mounting frame 4 through a fixed plate fixed on the mounting frame 4, the piston rod of the driving cylinder 6 is connected with the sliding seat 5 through a connecting handle fixedly connected with the sliding seat 5 to drive the sliding seat 5 to reciprocate along the linear guide rail 6. Among them, two clamp blocks 302 are oppositely arranged, and arc-shaped grooves 303 suitable for the steel wire are arranged on the opposite surfaces of the two clamp blocks 302, so that the steel wire is located in the cavity formed by the two arc-shaped grooves 303 after the two clamp blocks 302 are closed, and the steel wire 300 is clamped.

[0028] Among the two clamp blocks 302, one is a movable clamp block 3022, and the other is a fixed clamp block 30211. The fixed clamp block 3021 is fixedly connected to the door, the fixed frame 304 is fixedly installed on the cylinder body of the wire feeding cylinder 301, specifically, the fixed frame 304 is connected with one end of the cylinder body of the wire feeding cylinder 301 through a locking nut 7, the piston rod of the wire feeding cylinder 301 penetrates the top plate of the fixed frame 304 and extends into the fixed frame 304, the movable clamp block 3022 is connected with the piston rod through the connecting plates 305 fixedly connected at both ends thereof, the connecting plates 305 are hinged to the fixed frame 304, so that under the drive of the piston rod, the movable clamp block 3022 moves towards the direction of approaching or moving away from the fixed clamp block 3021, so that the clamp block 302 is opened and closed, thereby clamping or releasing the steel wire 300.

[0029] An ear plate (not shown in the figure) is arranged on the upper part of the rear side of the connecting plate 305, a long circular mounting hole 306 is formed on one side of the ear plate, the connecting plate 305 is hinged to the fixed frame 304 through a pin shaft installed in the ear plate, and is connected with the piston rod through a connecting shaft installed in the mounting hole 306, a long circular through hole 307 is arranged on the fixed frame 304 corresponding to the mounting hole 306, so as to facilitate the installation of the connecting shaft, when the piston rod is extended or retracted, the connecting shaft moves in the mounting hole 306 under the action of the piston rod, so that the connecting plate 305 rotates around the pin shaft in the ear plate, thereby realizing opening and closing. In the initial state, the movable clamp block 3022 is in an inclined state and has an included angle with the fixed clamp block 30211, at this time, the two are in a released state, as the piston rod of the wire feeding cylinder 301 is elongated, the connecting shaft moves downward in the mounting hole 306 and the through hole 307, thereby rotating the connecting plate 305 and the movable clamp block 3022 around the pin shaft, so that the movable clamp block 3022 is closed with the fixed clamp block 30211.

[0030] In the embodiment, the rack 1 is L-shaped, comprising a column 101 and a crossbeam 102, the column 101 is provided with a first sliding groove 103 arranged along the Z-axis direction, and the crossbeam 102 is movably arranged on the column 101 along the Z-axis direction, and the crossbeam 102 is provided with a second sliding groove (not shown in the figure) arranged along the Y-axis direction.

[0031] In the embodiment not shown in the figure, the driving mechanism comprises a vertical driving unit for driving the mounting rack 4 to move up and down along the Z-axis and a horizontal driving unit for driving the mounting rack 4 to move forward and backward along the Y-axis. The vertical driving unit comprises a first sliding block, a first lead screw and a first driving motor, the first sliding block is slidingly installed in the first sliding groove, the first lead screw is threadedly connected with the first sliding block, and the first driving motor is fixedly installed on the column 101; wherein the first sliding block is fixedly connected with one end of the crossbeam 102, one end of the first lead screw is connected with the output end of the first driving motor, and the other end is rotatably connected with the column 101 through a bearing. The horizontal driving unit comprises a second sliding block, a second lead screw and a second driving motor, the second sliding block is slidingly installed in the second sliding groove, the second sliding block is connected with the mounting rack 4 through a connecting rod 9, and the second driving motor is fixedly installed on the crossbeam 102; one end of the second lead screw is connected with the output end of the second driving motor through a shaft coupling, and the other end is rotatably connected with the crossbeam 102 through a bearing, the sliding block is sleeved on the second lead screw and is threadedly connected with the second lead screw, and the two constitute a threaded pair, and the first and second driving motors are both step motors.

[0032] The above only describes the preferred embodiments of the utility model and is not used to limit the utility model, for the person skilled in the art, the utility model can have various changes and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the utility model should be included in the protection scope of the utility model.

Claims

1. A sleeper prestressed steel wire automatic threading device for automatically threading prestressed steel wires on a bracket into an iron baffle, characterized in that, The rail sleeper prestressed steel bar automatic threading device comprises: a rack; a wire grabbing mechanism provided with a grabbing plate for grabbing a steel bar placed on the bracket; and a wire feeding mechanism for inserting and threading the steel bar grabbed by the wire grabbing mechanism through a wire threading hole opened on the iron baffle; wherein the wire grabbing mechanism and the wire feeding mechanism are arranged on a mounting rack, and the mounting rack is movably arranged on the rack to move up and down along the Z axis and move back and forth along the Y axis.

2. The sleeper prestressed steel bar automatic threading device according to claim 1, characterized in that, The wire grabbing mechanism comprises: two grabbing plates arranged oppositely; and wire grabbing cylinders on which the grabbing plates are mounted to realize the opening and closing of the two grabbing plates under the driving of the wire grabbing cylinders; wherein the two wire grabbing cylinders are fixedly arranged at the two ends of the mounting rack, respectively.

3. The sleeper prestressed steel bar automatic threading device according to claim 2, characterized in that, A groove with an arc-shaped cross section is opened at the lower part of the opposite side surface of each of the two grabbing plates, and the grooves on the two grabbing plates form a circular accommodating cavity when the two grabbing plates are closed, and the inner diameter of the accommodating cavity is greater than the diameter of the steel bar, so that the steel bar moves left and right along the X axis in the accommodating cavity.

4. The sleeper prestressed steel bar automatic threading device according to claim 1, characterized in that, The wire feeding mechanism comprises: clamping blocks; a wire feeding cylinder slidably mounted on the mounting rack through a sliding seat, wherein a linear guide rail is arranged on the mounting rack along the X axis direction, the sliding seat is slidably connected with the linear guide rail to form a sliding pair; and a driving cylinder arranged on the mounting rack, wherein the piston rod of the driving cylinder is connected with the sliding seat to drive the sliding seat to reciprocate along the linear guide rail; wherein the two clamping blocks are arranged oppositely, and an arc-shaped groove adapted to the steel bar is arranged on the opposite surface of each of the two clamping blocks, so that the steel bar is located in the cavity formed by the two arc-shaped grooves when the two clamping blocks are closed, and the steel bar is clamped.

5. The sleeper prestressed steel bar automatic threading device according to claim 4, characterized in that, Among the two clamping blocks, one is a movable clamping block, and the other is a fixed clamping block, the fixed clamping block is fixedly connected with a door-shaped fixed frame, the fixed frame is fixedly mounted on the cylinder body of the wire feeding cylinder, the piston rod of the wire feeding cylinder extends into the fixed frame through the top plate of the fixed frame, the movable clamping block is connected with the piston rod through connecting plates fixed at the two ends of the movable clamping block, and the connecting plates are hinged on the fixed frame, so that the movable clamping block moves towards the fixed clamping block or away from the fixed clamping block under the driving of the piston rod, so that the clamping blocks open and close.

6. The sleeper prestressed steel bar automatic threading device according to claim 5, characterized in that, An ear plate is arranged on the upper part of the rear surface of the connecting plate, a long circular mounting hole is opened on one side of the ear plate, the connecting plate is hinged with the fixed frame through a pin shaft mounted in the ear plate, and the connecting plate is connected with the piston rod through a connecting shaft mounted in the mounting hole.

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