Bracket moving mechanism of mesh binding machine

Abstract

The utility model discloses a bracket moving mechanism of a mesh binding machine, which is used for controlling a bracket in a binding device to gradually retreat from the binding device after binding ribs are provided so as to continue to supplement the binding ribs, and comprises a swinging component, a worm and a worm gear component, an upper die support capable of moving up and down and an installation cross beam fixed to the rack are arranged in the rack, the swing assembly is connected with the upper die support and driven by the upper die support to swing, the worm and the worm gear assembly are both installed on the installation cross beam, and one end of the worm is rotationally connected with the swing assembly so as to rotate around the axis of the worm. According to the bracket moving mechanism of the mesh binding machine, the upper die support moving up and down during binding forming is used for driving the ratchet wheel assembly to work, meanwhile, the ratchet wheel assembly is matched with the worm gear and the worm to control the bracket to move outwards step by step in one direction, and the same power source of a binding device drives the bracket through reasonable structural matching. Extra power does not need to be provided, the overall structure is simple, efficiency is higher, and cost is lower.

Description

Technical Field

[0001] The utility model relates to the technical field of mesh forming equipment, in particular to a bracket moving mechanism of a mesh binding machine. Background Art

[0002] FRP mesh is a mesh made of fiber-reinforced composite materials. It is light and hard, non-conductive, has high mechanical strength and corrosion resistance. Due to its excellent mechanical properties, it is widely used in bridge engineering, various construction projects, marine engineering, underground engineering and other projects.

[0003] At present, when producing FRP mesh, multiple FRP wires are usually tied and fixed, and then cut, glued and other processes are combined to form a mesh structure. When tying the wires, it is generally necessary to fix the ties at the intersection of the horizontal and vertical wires. At present, during the tying process, the ties are generally provided by manual operation, which is inefficient. In addition, the angle and position errors of the ties are large, and it is difficult to ensure the quality of the tying. Therefore, the demand for devices for accurate and automatic feeding of ties is gradually increasing.

[0004] There are also some automatic feeding devices for reinforcing bars on the market, but they generally use pistons, cylinders and other accessories to feed each reinforcing bar individually, the overall efficiency is not significantly improved, and the equipment cost is high, which is not conducive to large-scale popularization.

[0005] Therefore, in view of the above-mentioned technical problems, it is necessary to provide a new technical solution. Utility Model Content

[0006] The utility model aims to provide a bracket moving mechanism of a mesh tying machine which can accurately control the tying of reinforcement and material filling, has a higher degree of automation and a lower cost.

[0007] In order to solve the above technical problems, the utility model provides a bracket moving mechanism of a mesh tying machine, and the specific technical solution is as follows:

[0008] A bracket moving mechanism of a mesh binding machine is used to control the bracket in the binding device to gradually withdraw from the binding device after providing the reinforcing bars so as to continue to supplement the reinforcing bars. The mechanism comprises a swinging assembly, a worm and a worm gear assembly. The binding device is installed on a frame. The frame is provided with an upper mold bracket that can move up and down and a mounting beam fixed to the frame. The swinging assembly is connected to the upper mold bracket and driven by the upper mold bracket to swing. The worm and worm gear assembly are both installed on the mounting beam. One end of the worm is rotatably connected to the swinging assembly to rotate around the axis of the worm. The worm gear assemblies are arranged in pairs on both sides of the worm. The bracket is clamped between a pair of worm gear assemblies and realizes forward and backward movement through the friction force generated when each pair of worm gear assemblies rotate.

[0009] Preferably, the swing assembly includes an arm plate fixedly connected to the upper mold bracket, a swing arm is hinged at the end of the arm plate, the end of the swing arm away from the arm plate is connected to a ratchet assembly, one end of the worm is mounted on the ratchet assembly and is driven by the swing arm to rotate through the ratchet assembly.

[0010] Preferably, a mounting base plate is fixedly provided on the mounting crossbeam, and ear plates with avoidance holes are fixedly connected at both ends of the mounting base plate, bearings are installed in the avoidance holes, and both ends of the worm pass through the ear plates and are rotatably connected to the mounting base plate through the bearings.

[0011] Preferably, the ratchet assembly includes a transmission plate, one end of the worm passes through the ear plate and is fixedly connected to the transmission plate, the end of the swing arm away from the arm plate is slidably connected to the transmission plate, a ratchet is provided on the side of the transmission plate away from the ear plate, the center of the ratchet is fixedly connected to the end of the worm, a first pawl is installed on the mounting beam, and a second pawl is installed on the transmission plate, and the first pawl and the second pawl are both adapted to the ratchet.

[0012] Preferably, the transmission plate is fan-shaped with the center of the connection between the transmission plate and the worm as the center of the circle, a sliding rod is radially provided on the transmission plate, the end of the sliding rod away from the center of the circle of the transmission plate is closed with a pressure plate, a moving block is provided on the sliding sleeve of the sliding rod, and the end of the swing arm away from the arm plate is hinged to the moving block.

[0013] Preferably, a fixing seat is also fixed on the mounting base, the first pawl is hinged on the fixing seat, and the second pawl is hinged on the transmission plate.

[0014] Preferably, the worm gear assembly includes a worm wheel matched with the worm, a rubber wheel tightly attached to the bracket is fixedly connected to the bottom of the worm wheel, and the worm gear assembly drives the rubber wheel to rotate through the worm wheel matched with the worm to drive the bracket to move.

[0015] Preferably, the bottom of the worm gear penetrates the mounting base plate so that the worm gear and the rubber wheel are respectively located on the upper and lower sides of the mounting base plate, and the spacing between the rubber wheels in each pair of worm gear assemblies is smaller than the width of the bracket to form an interference fit.

[0016] The bracket moving mechanism of the mesh binding machine of the utility model has the following beneficial effects:

[0017] The bracket moving mechanism of the mesh binding machine of the utility model drives the ratchet assembly to work by utilizing the upper mold bracket that moves up and down during binding and forming, and at the same time, the ratchet assembly cooperates with the worm gear to control the bracket to move outward in one direction step by step. Through reasonable structural coordination, the same power source of the binding device drives the bracket without providing additional power. The overall structure is simple but more efficient and lower in cost, and a higher degree of automation can be achieved, so that the reinforcement and material filling are more accurate and timely.

[0018] Additional aspects and advantages of the present invention will be given in part in the following description, and in part will become apparent from the following description, or will be learned through the practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In order to more clearly illustrate the technical solution of the present invention, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0020] Figure 1 It is a structural schematic diagram of a bracket moving mechanism of a mesh binding machine;

[0021] Figure 2 for Figure 1 A schematic diagram of the structure of the middle swing assembly;

[0022] Figure 3 for Figure 1 The installation diagram of the bracket moving mechanism in the lashing machine;

[0023] Figure 4 for Figure 3 Schematic diagram of the coordination between the middle bracket moving mechanism and the bracket and upper mold support.

[0024] Among them, 1-swing assembly; 11-arm plate; 12-swing arm; 13-ratchet assembly; 131-transmission plate; 132-moving block; 133-ratchet; 134-first pawl; 135-second pawl; 136-fixed seat; 2-mounting base plate; 21-ear plate; 22-bearing; 3-worm; 4-worm wheel assembly; 41-worm wheel; 42-rubber wheel; 5-frame; 51-upper mold bracket; 52-mounting beam; 6-binding device; 61-bracket. DETAILED DESCRIPTION

[0025] The embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are intended to be used to explain the present invention, and should not be construed as limiting the present invention. Example

[0026] See also Figures 1 to 4A bracket moving mechanism of a mesh binding machine is used to control the bracket 61 in the binding device 6 to gradually withdraw from the binding device after providing the reinforcing bars so as to continue to supplement the reinforcing bars. It includes a swinging assembly 1, a worm 3 and a worm gear assembly 4. The binding device is installed on a frame 5. The frame is provided with an upper mold bracket 51 that can move up and down and a mounting beam 52 fixed to the frame. The swinging assembly is connected to the upper mold bracket and driven by the upper mold bracket to swing. The worm and the worm gear assembly are both installed on the mounting beam. One end of the worm is rotatably connected to the swinging assembly to rotate around the axis of the worm. The worm gear assemblies are arranged in pairs on both sides of the worm. The bracket is clamped between a pair of worm gear assemblies and realizes forward and backward movement through the friction generated when each pair of worm gear assemblies rotate.

[0027] The swing assembly 1 includes an arm plate 11 fixedly connected to the upper mold bracket, a swing arm 12 is hinged at the end of the arm plate 11, and a ratchet assembly 13 is connected to the end of the swing arm away from the arm plate. One end of the worm is installed on the ratchet assembly and is driven by the swing arm to rotate through the ratchet assembly.

[0028] The mounting crossbeam 52 is fixedly provided with a mounting base plate 2, and both ends of the mounting base plate are fixedly connected with ear plates 21 with avoidance holes, and bearings 22 are installed in the avoidance holes. Both ends of the worm pass through the ear plates and are rotatably connected to the mounting base plate through the bearings.

[0029] The ratchet assembly 13 includes a transmission plate 131, one end of the worm passes through the ear plate and is connected and fixed to the transmission plate, the end of the swing arm away from the arm plate is slidably connected to the transmission plate, a ratchet 133 is provided on the side of the transmission plate away from the ear plate, the center of the ratchet is connected and fixed to the end of the worm, a first pawl 134 is installed on the mounting beam, and a second pawl 135 is installed on the transmission plate, and the first pawl and the second pawl are both adapted to the ratchet.

[0030] The transmission plate 131 is fan-shaped with the center of the connection between the transmission plate and the worm as the center of the circle. A sliding rod is radially provided on the transmission plate. The end of the sliding rod away from the center of the circle of the transmission plate is closed by a pressure plate. A moving block 132 is slidingly sleeved on the sliding rod. The end of the swing arm away from the arm plate is hinged to the moving block.

[0031] A fixing seat 136 is also fixed on the installation base plate 2, the first ratchet 134 is hinged on the fixing seat, and the second ratchet 135 is hinged on the transmission plate.

[0032] The worm gear assembly 4 includes a worm wheel 41 adapted to the worm, and a rubber wheel 42 tightly attached to the bracket is fixedly connected to the bottom of the worm wheel. The worm gear assembly drives the rubber wheel to rotate through the worm wheel matched with the worm to drive the bracket to move.

[0033] The bottom of the worm wheel 41 penetrates the mounting base plate 2 so that the worm wheel and the rubber wheel are respectively located on the upper and lower sides of the mounting base plate, and the spacing between the rubber wheels in each pair of worm wheel assemblies is smaller than the width of the bracket to form an interference fit.

[0034] The bracket moving mechanism of the mesh binding machine of the present embodiment utilizes an arm plate that moves up and down with the upper mold bracket to drive the movement of the swing arm, and cooperates with the ratchet assembly to control the worm transmission. The unidirectional motion characteristics of the ratchet assembly are utilized to ensure that the worm can only maintain unidirectional rotation during the reciprocating motion of the upper mold bracket, and the rotation angle of the worm can be kept consistent each time, thereby ensuring that the bracket can be controlled to move the same distance each time during the worm gear transmission. Combined with the arrangement length of the reinforcement bars, it can be ensured that when the reinforcement bars are exhausted, the bracket is just moved out of the binding device and replenished in time.

[0035] The beneficial effects of the utility model are as follows: the ratchet assembly is driven by the upper mold bracket that moves up and down during binding and forming, and at the same time the ratchet assembly cooperates with the worm gear to control the bracket to move outward in one direction step by step. Through reasonable structural coordination, the same power source of the binding device drives the bracket, and no additional power is required. The overall structure is simple but more efficient and lower cost, and a higher degree of automation can be achieved, which is also more accurate and timely for reinforcing bar filling.

[0036] Although the embodiments of the present invention have been shown and described above, it is to be understood that the above embodiments are illustrative and cannot be construed as limitations of the present invention. A person skilled in the art may change, modify and vary the above embodiments within the scope of the present invention.

Claims

1. A bracket moving mechanism of a mesh tying machine, used to control a bracket (61) in a tying device (6) to gradually withdraw from the tying device after providing the tying bars so as to continue to replenish the tying bars, characterized in that: The binding device comprises a swing assembly (1), a worm (3) and a worm gear assembly (4), wherein the binding device is mounted on a frame (5), wherein an upper die support (51) movable up and down and a mounting crossbeam (52) fixed to the frame are provided in the frame, the swing assembly is connected to the upper die support and driven to swing by the upper die support, the worm and the worm gear assembly are both mounted on the mounting crossbeam, one end of the worm is rotatably connected to the swing assembly so as to rotate around the axis of the worm, the worm gear assemblies are arranged in pairs on both sides of the worm, the bracket is clamped between a pair of worm gear assemblies and realizes forward and backward movement through the friction force generated when each pair of worm gear assemblies rotate.

2. The bracket moving mechanism of the mesh tying machine according to claim 1 is characterized in that: The swing assembly (1) comprises an arm plate (11) fixedly connected to the upper die support, a swing arm (12) being hingedly connected to the end of the arm plate (11), an end of the swing arm away from the arm plate being connected to a ratchet assembly (13), one end of the worm being mounted on the ratchet assembly and driven by the swing arm to rotate via the ratchet assembly.

3. The bracket moving mechanism of the mesh tying machine according to claim 2 is characterized in that: A mounting base plate (2) is fixedly arranged on the mounting crossbeam (52), and ear plates (21) with avoidance holes are fixedly connected at both ends of the mounting base plate, and bearings (22) are installed in the avoidance holes. Both ends of the worm pass through the ear plates and are rotatably connected to the mounting base plate via the bearings.

4. The bracket moving mechanism of the mesh tying machine according to claim 3 is characterized in that: The ratchet assembly (13) comprises a transmission plate (131), one end of the worm passes through the ear plate and is connected and fixed to the transmission plate, one end of the swing arm away from the arm plate is slidably connected to the transmission plate, a ratchet (133) is provided on the side of the transmission plate away from the ear plate, the center of the ratchet is connected and fixed to the end of the worm, a first pawl (134) is installed on the mounting crossbeam, and a second pawl (135) is installed on the transmission plate, and the first pawl and the second pawl are both adapted to the ratchet.

5. The bracket moving mechanism of the mesh tying machine according to claim 4 is characterized in that: The transmission plate (131) is fan-shaped and has the center of the connection between the transmission plate and the worm as the center of the circle. A sliding rod is provided radially on the transmission plate. The end of the sliding rod away from the center of the circle of the transmission plate is closed by a pressure plate. A moving block (132) is provided on the sliding sleeve of the sliding rod. The end of the swing arm away from the arm plate is hinged to the moving block.

6. The bracket moving mechanism of the mesh binding machine according to claim 4 is characterized in that: A fixing seat (136) is also fixed on the mounting base plate (2), the first ratchet (134) is hinged on the fixing seat, and the second ratchet (135) is hinged on the transmission plate.

7. The bracket moving mechanism of the mesh tying machine according to claim 3 is characterized in that: The worm gear assembly (4) comprises a worm wheel (41) adapted to the worm, a rubber wheel (42) closely attached to the bracket being fixedly connected to the bottom of the worm wheel, and the worm gear assembly drives the rubber wheel to rotate through the worm wheel adapted to the worm, thereby driving the bracket to move.

8. The bracket moving mechanism of the mesh tying machine according to claim 7 is characterized in that: The bottom of the worm wheel (41) penetrates the mounting base plate (2) so that the worm wheel and the rubber wheel are respectively located on the upper and lower sides of the mounting base plate, and the spacing between the rubber wheels in each pair of worm wheel assemblies is smaller than the width of the bracket to form an interference fit.

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