Parallel four-connecting-rod conveying device suitable for steel arch production line

Abstract

The utility model relates to the technical field of mechanical transfer of materials, and aims to solve the problems that in the prior art, cold-bent I-shaped steel cannot be accurately placed at a next station; the parallel four-connecting-rod conveying device suitable for the steel arch production line solves the problems that manual transfer is adopted in most traditional methods, time and labor are wasted, the safety risk is large, the production efficiency is low and the labor cost is large, and the parallel four-connecting-rod conveying device suitable for the steel arch production line comprises a clamping jaw assembly, a rocker arm, a base frame and a driving assembly. The clamping jaw assembly is connected with the rocker arm through the upper frame, the rocker arm achieves translation of the clamping jaw assembly through the lower driving assembly, and then I-shaped steel station switching is completed. The I-shaped steel cold-bending machine has the advantages of being simple in structure, small in size, light in weight, high in transmission efficiency, capable of accurately placing cold-bent I-shaped steel on the next mechanism, time-saving, labor-saving, high in production efficiency and low in labor cost under the safety risk.

Description

Technical Field

[0001] The utility model relates to the technical field of mechanical material transfer, in particular to a parallel four-link conveying device for a steel arch production line. Background Art

[0002] At present, the I-beams after cold bending in the factory need to be placed accurately in the next mechanism. However, due to the non-unique models and cold bending curvatures of the cold-bent I-beams and the height difference between the two mechanisms, traditional mechanisms are unable to place the cold-bent I-beams accurately in the next mechanism. Most of the work is done manually, which is time-consuming and labor-intensive, with great safety risks, low production efficiency and high labor costs. Utility Model Content

[0003] The utility model aims to provide a parallel four-link conveying device suitable for a steel arch frame production line, so as to solve the problems in the prior art that the I-beams after cold bending cannot be accurately placed in the next mechanism, are mostly transferred manually, are time-consuming and labor-intensive, have great safety risks, have low production efficiency and high labor costs.

[0004] The embodiment of the utility model is achieved as follows:

[0005] The utility model embodiment provides a parallel four-link conveying device suitable for a steel arch production line, which includes a clamping claw assembly, a rocker arm, a base frame and a driving assembly;

[0006] The clamping jaw assembly is fixed to the top of the rocker arm; the bottom of the rocker arm is fixed to the top of the base frame; the driving assembly is located inside the base frame; the driving assembly is transmission-connected to the rocker arm and causes the clamping jaw assembly to swing.

[0007] When in use, the driving assembly inside the parallel four-bar linkage conveying device drives the rocker arm to swing, and the rocker arm drives the clamping jaw assembly to move in an arc trajectory from left to right. At this time, the I-beam clamped on the clamping jaw assembly moves from the left mechanism to the right mechanism. Such movement is not affected by the I-beam model, cold bending curvature and height difference between the two mechanisms.

[0008] The parallel four-link conveying device suitable for the steel arch frame production line disclosed in this embodiment drives the above-mentioned rocker arm to swing through the above-mentioned driving assembly, so that the above-mentioned clamping claw assembly is convenient for transferring I-beams, thereby achieving the purpose of accurately placing the cold-bent I-beams in the next mechanism. Therefore, the parallel four-link conveying device suitable for the steel arch frame production line has the beneficial effects of simple structure, small size, light weight, high transmission efficiency, accurate placement of the cold-bent I-beams in the next mechanism, saving time and labor, reducing safety risks, high production efficiency and low labor costs.

[0009] Optionally: the clamping jaw assembly has a bottom plate, a plurality of upper frames are provided at the lower part of the bottom plate, the plurality of upper frames are respectively hingedly connected to the top end of the rocker arm, and the bottom plate is horizontally fixedly connected to the surface of the upper frames.

[0010] With such arrangement, the above-mentioned clamping jaw assembly can be regarded as an upper connecting rod in a parallel four-link conveying device, which is beneficial to reducing the motor load and simplifying the structure.

[0011] Optionally: a first guide rail support beam and a second guide rail support beam are provided on the top surface of the base plate, and the first guide rail support beam and the second guide rail support beam are parallel to each other and fixedly connected to the top surface of the base plate at intervals.

[0012] With such arrangement, the first guide rail support beam and the second guide rail support beam play a supporting role, which facilitates the sliding of the slide plate and increases the rigidity of the clamping jaw assembly.

[0013] Optionally: the top surfaces of the first guide rail support beam and the second guide rail support beam are respectively provided with a first guide rail mounting plate and a second guide rail mounting plate, and the first guide rail mounting plate and the second guide rail mounting plate are respectively fixedly connected to the top surfaces of the first guide rail support beam and the second guide rail support beam.

[0014] With such arrangement, the first guide rail mounting plate and the second guide rail mounting plate realize the arrangement of the rails, facilitate the installation and removal of the rails, and are beneficial to later maintenance or replacement.

[0015] Optionally: the top surfaces of the first guide rail mounting plate and the second guide rail mounting plate are both provided with tracks, and the tops of the first guide rail mounting plate and the second guide rail mounting plate are provided with slide plates, and the two sides of the slide plates can be slidably adapted on the tracks of the first guide rail mounting plate and the second guide rail mounting plate.

[0016] With such arrangement, the track can play a guiding role, and the slide plate is adapted on the track to facilitate reciprocating sliding, which is beneficial for clamping or loosening I-beams of different models and cold-bent curvatures.

[0017] Optionally: a knurled shaft is provided at the top center of the above-mentioned slide board, and a fixing plate is provided at the bottom end of the above-mentioned knurled shaft, and the above-mentioned knurled shaft is detachably fixedly connected to the top center of the above-mentioned slide board through the above-mentioned fixing plate;

[0018] The end of the base plate away from the knurled shaft is provided with a first clamping column and a second clamping column, the first clamping column and the second clamping column are parallel to each other and vertically fixedly connected to the base plate, and the knurled shaft, the first clamping column and the second clamping column are distributed in a herringbone shape.

[0019] With such arrangement, since the knurled shaft is moved by the slide plate, the knurled shaft, the first clamping jaw column and the second clamping jaw column can clamp or release I-beams of different models and cold-bending curvatures.

[0020] Optionally: a cylinder bracket and a cylinder are provided at the lower part of the above-mentioned skateboard, the above-mentioned cylinder bracket is fixedly connected to the bottom surface of the above-mentioned skateboard, the above-mentioned cylinder is fixedly connected to the above-mentioned bottom plate and is located between the above-mentioned first guide rail support beam and the above-mentioned second guide rail support beam, and the lifting and retracting rod of the above-mentioned cylinder is fixedly connected to the above-mentioned cylinder bracket.

[0021] In this way, the cylinder bracket can protect the slide plate to prevent it from being damaged by the cylinder, and also has the function of dispersing force. The cylinder can drive the slide plate to move reciprocatingly, thereby enabling the clamping jaw assembly to clamp or release I-beams of different models and cold-bent curvatures.

[0022] Optionally: the driving assembly is fixedly connected to the inside of the base frame.

[0023] With such arrangement, the base frame effectively protects the drive assembly, facilitates the connection of the rocker arm, and is convenient for disassembly, assembly and transportation.

[0024] Optionally: the above-mentioned driving component has a forward and reversible motor and a reducer, the above-mentioned forward and reversible motor is transmission-connected to the above-mentioned reducer, and the top of the above-mentioned reducer is sequentially provided with a driving wheel and a driven wheel, the above-mentioned driving wheel and the above-mentioned driven wheel are meshed with each other and are rotatably fixedly connected to the above-mentioned base frame, and the above-mentioned reducer is transmission-connected to the above-mentioned driving wheel.

[0025] With such arrangement, the above-mentioned reducer is driven to operate by the above-mentioned forward and reversible motor, and the above-mentioned reducer causes the above-mentioned driving wheel and the above-mentioned driven wheel to rotate, and the above-mentioned driven wheel drives the above-mentioned right rocker arm to swing, thereby realizing the displacement of the I-beam.

[0026] Optionally, the rocker arm comprises a left rocker arm and a right rocker arm, one end of the left rocker arm and the right rocker arm close to the clamping jaw assembly are both hingedly connected to the upper frame, and the upper frame is fixedly connected to the bottom plate;

[0027] One end of the left rocker arm close to the base frame is rotatably connected to the top side of the base frame, and one end of the right rocker arm close to the base frame is connected to the driven wheel in the driving assembly.

[0028] With such arrangement, the left rocker arm and the right rocker arm cooperate with the base frame, the drive assembly and the clamp assembly, so that the parallel four-bar linkage conveying device realizes the displacement and positioning of the I-beam.

[0029] Optionally: the outer sleeves of the driving wheel and the driven wheel are provided with a shield shell, and the shield shell is detachably fixed on the side surface of the base frame.

[0030] With such arrangement, the shield shell is conducive to protecting the driving wheel and the driven wheel from being disturbed by dust or foreign objects, and at the same time plays a safety role to prevent people from touching the driving wheel and the driven wheel in operation, effectively reducing installation risks.

[0031] Based on the above description, the utility model discloses a parallel four-link conveying device suitable for a steel arch frame production line, which has the beneficial effects of simple structure, small size, light weight, high transmission efficiency, accurate placement of the cold-bent I-beam in the next mechanism, time-saving and labor-saving, low safety risks, high production efficiency and low labor costs. BRIEF DESCRIPTION OF THE DRAWINGS

[0032] In order to more clearly illustrate the technical solutions of the embodiments of the utility model, the drawings required for use in the embodiments will be briefly introduced below. It should be understood that the following drawings only show certain embodiments of the utility model and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other relevant drawings can be obtained based on these drawings without paying creative work.

[0033] Figure 1 It is a structural schematic diagram of a parallel four-link conveying device suitable for a steel arch production line in an embodiment of the utility model;

[0034] Figure 2 This is a schematic diagram of the structure of the clamping jaw assembly in the embodiment of the utility model;

[0035] Figure 3 It is a structural schematic diagram of the rocker arm, the base frame and the drive assembly in the embodiment of the utility model;

[0036] Figure 4 It is a three-dimensional stereogram of a parallel four-link conveying device suitable for a steel arch production line in an embodiment of the utility model.

[0037] Icons: 1-grip assembly, 2-drive assembly, 3-rocker arm, 5-base plate, 6-first guide rail support beam, 7-second guide rail support beam, 8-first guide rail mounting plate, 9-second guide rail mounting plate, 10-track, 11-slide plate, 12-knurled shaft, 13-fixed plate, 14-first clamp column, 15-second clamp column, 16-cylinder bracket, 17-cylinder, 18-base frame, 19-left rocker arm, 20-right rocker arm, 21-upper frame, 22-forward and reversible motor, 23-reducer, 24-driving wheel, 25-driven wheel, 26-shield shell. DETAILED DESCRIPTION

[0038] In order to make the purpose, technical scheme and advantages of the embodiments of the utility model clearer, the technical scheme in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are part of the embodiments of the utility model, not all of the embodiments. Generally, the components of the embodiments of the utility model described and shown in the drawings here can be arranged and designed in various different configurations.

[0039] Therefore, the following detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit the scope of the present invention to be protected, but merely represents selected embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0040] Example

[0041] See also Figure 1 , Figure 2 , Figure 3 and Figure 4 , this embodiment proposes a parallel four-link conveying device suitable for a steel arch production line, comprising a clamping claw assembly 1, a rocker arm 3, a base frame 18 and a driving assembly 2;

[0042] The clamping jaw assembly 1 is fixed to the top of the rocker arm 3; the bottom of the rocker arm 3 is fixed to the top of the base frame 18, and the driving assembly 2 is located inside the base frame 18. The driving assembly 2 is connected to the rocker arm 3 and causes the clamping jaw assembly 1 to swing.

[0043] When in use, the driving assembly 2 inside the parallel four-bar linkage conveying device drives the rocker arm 3 to swing, and the rocker arm 3 drives the clamping jaw assembly 1 to move in an arc trajectory from left to right. At this time, the I-beam clamped on the clamping jaw assembly 1 moves from the left mechanism to the right mechanism. Such movement is not affected by the I-beam model, cold bending curvature and height difference between the two mechanisms.

[0044] The parallel four-link conveying device suitable for the steel arch frame production line disclosed in this embodiment drives the rocker arm 3 to swing through the driving component 2, so that the clamping claw component 1 is convenient for transferring the I-beam, thereby achieving the purpose of accurately placing the cold-bent I-beam in the next mechanism. Therefore, the parallel four-link conveying device suitable for the steel arch frame production line has the beneficial effects of simple structure, small size, light weight, high transmission efficiency, accurate placement of the cold-bent I-beam in the next mechanism, saving time and labor, reducing safety risks, high production efficiency and low labor costs.

[0045] See also Figure 1 , Figure 2 , Figure 3 and Figure 4The clamping jaw assembly 1 has a bottom plate 5, and a plurality of upper frames 21 are provided at the lower part of the bottom plate 5. The plurality of upper frames 21 are respectively hingedly connected to the top end of the rocker arm 3, and the bottom plate 5 is horizontally fixedly connected to the surface of the upper frame 21. In this way, the clamping jaw assembly 1 can be regarded as an upper connecting rod in a parallel four-bar linkage conveying device, which is beneficial to reducing the motor load and simplifying the structure.

[0046] The top surface of the base plate 5 is provided with a first guide rail support beam 6 and a second guide rail support beam 7. The first guide rail support beam 6 and the second guide rail support beam 7 are parallel to each other and fixedly connected to the top surface of the base plate 5 at intervals. The first guide rail support beam 6 and the second guide rail support beam 7 play a supporting role to facilitate the sliding of the slide plate 11 and increase the rigidity of the clamping jaw assembly 1.

[0047] The top surfaces of the first guide rail support beam 6 and the second guide rail support beam 7 are respectively provided with a first guide rail mounting plate 8 and a second guide rail mounting plate 9, which are respectively fixedly connected to the top surfaces of the first guide rail support beam 6 and the second guide rail support beam 7. The first guide rail mounting plate 8 and the second guide rail mounting plate 9 realize the arrangement of the rail 10, which is convenient for the installation and disassembly of the rail 10 and is beneficial for the later maintenance or replacement.

[0048] The top surfaces of the first guide rail mounting plate 8 and the second guide rail mounting plate 9 are both provided with tracks 10, and the tops of the first guide rail mounting plate 8 and the second guide rail mounting plate 9 are provided with slide plates 11, and the two sides of the slide plates 11 can be slidably adapted on the tracks 10 of the first guide rail mounting plate 8 and the second guide rail mounting plate 9, and the tracks 10 can play a guiding role. The slide plates 11 are adapted on the tracks 10 to facilitate reciprocating sliding, which is beneficial for clamping or loosening I-beams of different models and cold-bent curvatures.

[0049] A knurled shaft 12 is provided at the top center of the skateboard 11, and a fixed plate 13 is provided at the bottom end of the knurled shaft 12. The knurled shaft 12 is detachably fixedly connected to the top center of the skateboard 11 through the fixed plate 13; a first clamping column 14 and a second clamping column 15 are provided at one end of the base plate 5 away from the knurled shaft 12, and the first clamping column 14 and the second clamping column 15 are fixedly connected to the base plate 5 in parallel and vertically. The knurled shaft 12, the first clamping column 14 and the second clamping column 15 are distributed in a herringbone shape. Since the knurled shaft 12 is moved by the skateboard 11, the knurled shaft 12, the first clamping column 14 and the second clamping column 15 can clamp or release I-beams of different models and cold-bending curvatures.

[0050] A cylinder bracket 16 and a cylinder 17 are provided at the lower part of the skateboard 11. The cylinder bracket 16 is fixedly connected to the bottom surface of the skateboard 11. The cylinder 17 is fixedly connected to the bottom plate 5 and is located between the first guide rail support beam 6 and the second guide rail support beam 7. The lifting and retracting rod of the cylinder 17 is fixedly connected to the cylinder bracket 16. The cylinder bracket 16 can protect the skateboard 11 and prevent the skateboard 11 from being damaged by the cylinder 17. It also has the function of dispersing force. The cylinder 17 can drive the skateboard 11 to reciprocate, thereby enabling the clamping jaw assembly 1 to clamp or release I-beams of different models and cold-bent curvatures.

[0051] See also Figure 1 , Figure 2 , Figure 3 and Figure 4 The driving assembly 2 is fixedly connected to the inside of the base frame 18. The base frame 18 effectively protects the driving assembly 2, facilitates the connection of the rocker arm 3, and is convenient for disassembly, assembly and transportation.

[0052] The driving assembly 2 has a reversible motor 22 and a reducer 23. The reversible motor 22 is connected to the reducer 23 in a transmission manner. A driving wheel 24 and a driven wheel 25 are arranged on the top of the reducer 23 in sequence. The driving wheel 24 and the driven wheel 25 are meshed with each other and are rotatably fixedly connected to the base frame 18. The reducer 23 is connected to the driving wheel 24 in a transmission manner. The reducer 23 is driven by the reversible motor 22 to operate. The reducer 23 causes the driving wheel 24 and the driven wheel 25 to rotate, and the driven wheel 25 drives the right rocker arm 20 to swing, thereby realizing the displacement of the I-beam.

[0053] The rocker arm 3 has a left rocker arm 19 and a right rocker arm 20. The ends of the left rocker arm 19 and the right rocker arm 20 close to the clamping jaw assembly 1 are both hingedly connected to the upper frame 21, and the upper frame 21 is fixedly connected to the base plate 5; the end of the left rocker arm 19 close to the base frame 18 is rotatably connected to the top side of the base frame 18, and the end of the right rocker arm 20 close to the base frame 18 is connected to the driven wheel 25 in the driving assembly 2. The left rocker arm 19 and the right rocker arm 20 cooperate with the base frame 18, the driving assembly 2 and the clamping jaw assembly 1, so that the parallel four-bar linkage conveying device realizes the displacement and positioning of the I-beam.

[0054] The outer sleeve of the driving wheel 24 and the driven wheel 25 is provided with a shield shell 26, and the shield shell 26 is detachably fixed on the side of the base frame 18. The shield shell 26 is beneficial to protect the driving wheel 24 and the driven wheel 25 from being disturbed by dust or foreign objects, and at the same time plays a safety role to prevent people from touching the running driving wheel 24 and the driven wheel 25, effectively reducing the installation risk.

[0055] See also Figure 3In this embodiment, the forward and reversible motor 22 and the reducer 23 are fixedly connected to the inside of the base frame 18, so that the forward and reversible motor 22 and the reducer 23 can continuously and stably output power, which is beneficial to the stable rotation of the driving wheel 24 and the driven wheel 25.

[0056] See also Figure 1 , Figure 2 , Figure 3 and Figure 4 The specific working principle of the parallel four-link feeding device in this embodiment is as follows:

[0057] When transporting the I-beam, the cylinder 17 on the clamp assembly 1 drives the slide 11 to move, and the slide 11 is guided by the track 10 of the first guide rail mounting plate 8 and the second guide rail mounting plate 9, and approaches the first clamp column 14 and the second clamp column 15. At this time, the I-beam is clamped by the knurled shaft 12, the first clamp column 14 and the second clamp column 15, and then the forward and reverse motor 22 drives the driving wheel 24 and the driven wheel 25 to rotate through the reducer 23, and the driven wheel 25 drives the left rocker arm 19 and the right rocker arm 20 to swing, so that the clamp assembly 1 can swing from left to right, and the I-beam is accurately placed from one mechanism to another.

[0058] After the I-beam is transported, the forward and reverse motor 22 can rotate in the reverse direction, and the reducer 23 can drive the driving wheel 24 and the driven wheel 25 to rotate in the reverse direction. The driven wheel 25 drives the left rocker arm 19 and the right rocker arm 20 to swing in the reverse direction, so that the clamping jaw assembly 1 returns to the initial position, and the above steps are repeated to continue the transportation of the I-beam.

[0059] The above description is only the preferred embodiment of the utility model, and is not intended to limit the utility model. For those skilled in the art, the utility model can have various modifications and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A parallel four-link conveying device suitable for a steel arch production line, characterized in that: Includes a gripper assembly, a rocker arm, a base frame and a drive assembly; The clamping jaw assembly is fixed to the top end of the rocker arm; the bottom end of the rocker arm is fixed to the top end of the base frame; the driving assembly is located inside the base frame; the driving assembly is transmission-connected to the rocker arm and causes the clamping jaw assembly to swing.

2. According to claim 1, a parallel four-link conveying device suitable for a steel arch production line is characterized in that: The clamping jaw assembly has a bottom plate, a plurality of upper frames are arranged at the lower part of the bottom plate, the plurality of upper frames are respectively hingedly connected to the top end of the rocker arm, and the bottom plate is horizontally fixedly connected to the surface of the upper frames.

3. According to claim 2, a parallel four-link conveying device suitable for a steel arch production line is characterized in that: The top surface of the base plate is provided with a first guide rail support beam and a second guide rail support beam, and the first guide rail support beam and the second guide rail support beam are parallel to each other and fixedly connected to the top surface of the base plate at an interval.

4. The parallel four-link conveying device suitable for a steel arch production line according to claim 3 is characterized in that: The top surfaces of the first guide rail support beam and the second guide rail support beam are respectively provided with a first guide rail mounting plate and a second guide rail mounting plate, and the first guide rail mounting plate and the second guide rail mounting plate are respectively fixedly connected to the top surfaces of the first guide rail support beam and the second guide rail support beam.

5. The parallel four-link conveying device suitable for a steel arch production line according to claim 4, characterized in that: The top surfaces of the first guide rail mounting plate and the second guide rail mounting plate are both provided with tracks, and the tops of the first guide rail mounting plate and the second guide rail mounting plate are provided with slide plates, and the two sides of the slide plates can be slidably adapted on the tracks of the first guide rail mounting plate and the second guide rail mounting plate.

6. The parallel four-link conveying device suitable for a steel arch production line according to claim 5, characterized in that: A knurled shaft is provided at the top center of the skateboard, and a fixing plate is provided at the bottom end of the knurled shaft, and the knurled shaft is detachably fixedly connected to the top center of the skateboard through the fixing plate; A first clamping column and a second clamping column are provided at one end of the base plate away from the knurled shaft. The first clamping column and the second clamping column are parallel to each other and vertically fixedly connected to the base plate. The knurled shaft, the first clamping column and the second clamping column are distributed in a herringbone shape.

7. The parallel four-link conveying device suitable for a steel arch production line according to claim 5, characterized in that: A cylinder bracket and a cylinder are provided at the lower part of the slide plate. The cylinder bracket is fixedly connected to the bottom surface of the slide plate. The cylinder is fixedly connected to the bottom plate and is located between the first guide rail support beam and the second guide rail support beam. The lifting and retracting rod of the cylinder is fixedly connected to the cylinder bracket.

8. The parallel four-link conveying device suitable for a steel arch production line according to claim 1, characterized in that: The driving assembly is fixedly connected to the interior of the base frame.

9. The parallel four-link conveying device suitable for a steel arch production line according to claim 2, characterized in that: The driving assembly comprises a forward and reversible motor and a reducer, wherein the forward and reversible motor is connected to the reducer in a transmission manner, a driving wheel and a driven wheel are arranged on the top of the reducer in sequence, the driving wheel and the driven wheel are meshed with each other and are rotatably fixedly connected to the base frame, and the reducer is connected to the driving wheel in a transmission manner.

10. The parallel four-link conveying device suitable for a steel arch production line according to claim 9, characterized in that: The rocker arm comprises a left rocker arm and a right rocker arm, one end of the left rocker arm and the right rocker arm close to the clamping jaw assembly are both hingedly connected to the upper frame, and the upper frame is fixedly connected to the bottom plate; One end of the left rocker arm close to the base frame is rotatably connected to the top side of the base frame, and one end of the right rocker arm close to the base frame is connected to the driven wheel in the driving assembly.

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