A fast riveting machine for profile screws

Abstract

The present invention provides a profile screw fast riveting machine, including a workbench, characterized in that: a plurality of workstations are evenly arranged on the workbench, each workstation is provided with a riveting robot and a material discharging rack, a transport robot is provided in the middle of the workbench for delivering the profile from one material discharging rack to another material discharging rack, a vibration plate is also provided on the workbench for conveying screws, a certain orientation mechanism is provided at the end of each vibration plate for orienting the screw to prevent it from rotating, and a loading and unloading robot is also provided for moving the profile to the material discharging rack of the first workstation and moving the profile out of the material discharging rack of the last workstation. The plurality of workstations of the present invention process the profile at the same time, each workstation processes one surface of the profile, and four workstations work at the same time, and after the profile is processed at one workstation, it is moved to another workstation by the transport robot, the processing continuity is high, and the processing efficiency is greatly improved.

Description

Technical Field

[0001] The invention relates to the technical field of riveting, in particular to a profile screw rapid riveting machine. Background Art

[0002] Many screws with internal threads need to be fixed on the door and window profiles to facilitate the installation of other door and window components. Because the wall of the profile is thin, welding will affect the aesthetics. Now the screws are generally fixed by riveting. The current method is to rivet the screws one by one, which is laborious and inefficient. It cannot meet the requirements of large-scale production. Moreover, the current production lacks automation and uses simple equipment or direct manual processing, which greatly increases the labor intensity of workers.

[0003] There is a Chinese patent: a profile screw riveting machine, patent announcement number: CN208453791U, announcement date: 2019-02-01. This equipment uses a rectangular conveyor belt. The profile can only be processed on one side at a time. After processing, it is flipped 90° and then processed on another side. The profile can only be sent out after all four sides are processed. The efficiency is low, and the screw feeding mechanism is set on the top of the equipment, resulting in the equipment occupying a large space, a long length, and occupying plant area. Summary of the invention

[0004] In view of the above problems, the present invention provides a profile screw rapid riveting machine, in which multiple stations process the profile at the same time, each station processes one surface of the profile, and four stations work at the same time. After the profile is processed at one station, it is moved to another station by a handling robot. The processing continuity is high and the processing efficiency is greatly improved.

[0005] In order to achieve the above object, the technical solution adopted by the present invention is as follows:

[0006] A fast riveting machine for profile screws includes a workbench, and is characterized in that: a plurality of workstations are evenly arranged on the workbench, each workstation is provided with a riveting robot and a material discharge rack, a transport robot is provided in the middle of the workbench for delivering the profile from one material discharge rack to another, a vibration plate is also provided on the workbench for conveying screws, a certain orientation mechanism is provided at the end of each vibration plate for orienting the screws to prevent them from rotating, and a loading and unloading robot is also included for moving the profile to the material discharge rack of the first workstation and moving the profile out of the material discharge rack of the last workstation.

[0007] Preferably, a loading rack, a unloading rack, a feed conveyor belt and a discharge conveyor belt are also provided next to the workbench. The loading and unloading robot sends the profiles on the loading rack to the feed conveyor belt, the handling robot moves the profiles on the feed conveyor belt to the unloading rack of the first station, the loading and unloading robot moves the profiles on the unloading rack of the last station to the discharge conveyor belt, and the handling robot moves the profiles on the discharge conveyor belt to the unloading rack.

[0008] Preferably, there are more than two square positioning clamps next to the unloading rack, each of which includes a positioning pressure cylinder fixed to the workbench, a rotating cylinder is provided at the working end of the positioning pressure cylinder, and a pressing block is connected to the working end of the rotating cylinder. The pressing block protrudes horizontally in one direction, and when the profile needs to come out of the unloading rack, the positioning pressure cylinder extends, and the rotating cylinder rotates an angle so that the pressing block leaves the top of the unloading rack, and the profile can be taken out. When the profile needs to be fixed, the rotating cylinder rotates an angle so that the pressing block is located above the unloading rack, and the positioning pressure cylinder retracts, and the pressing block presses the profile tightly.

[0009] Preferably, the handling manipulator has two grippers for easy handling and replacement of the profiles on the unloading rack. When the handling manipulator moves to the top of a certain unloading rack, an empty gripper on the handling manipulator grabs the profile on the unloading rack, and the gripper already grabbed by the handling manipulator is placed on the unloading rack, and the profile on the unloading rack is replaced in this way.

[0010] Preferably, the orienting mechanism comprises an orienting channel, the width of which matches the width of the screw, a pushing pressure cylinder is provided at the end of the orienting channel, and the orienting channel is connected to the unloading channel of the vibration plate.

[0011] Preferably, the direction of the directional channel is perpendicular to the unloading channel of the vibration plate.

[0012] Preferably, there are four workstations, so that four sides of the profile can be processed.

[0013] Preferably, there are two vibration plates, and two adjacent workstations share one vibration plate, thereby saving the number of vibration plates.

[0014] Beneficial effects of the present invention:

[0015] The multiple stations of the present invention process the profiles simultaneously, each station processes one surface of the profile, and four stations work simultaneously. After the profile is processed at one station, it is moved to another station by a handling robot, the processing continuity is high, and the processing efficiency is greatly improved. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 is a stereogram of the present invention;

[0017] Figure 2 It is a front view of the present invention;

[0018] Figure 3 is a top view of the present invention;

[0019] Figure 4 It is a combined structural diagram of the unloading rack 3 and the square positioning clamp 11;

[0020] Figure 5 It is a combined mechanism diagram of the vibration plate 4 and the orientation mechanism 5;

[0021] Figure 6 It is a combined mechanism diagram of the feeding channel 19 and the orienting mechanism 5;

[0022] Figure 7 It is a perspective view of the transport robot 15 . DETAILED DESCRIPTION

[0023] The technical solution of the present invention is described below in conjunction with the accompanying drawings and embodiments.

[0024] like Figures 1 to 7 As shown, a profile screw riveting machine described in the present invention includes a workbench 1, on which four workstations are evenly arranged, each workstation is provided with a riveting robot 2 and a material unloading rack 3, a transport robot 15 is provided in the middle of the workbench 1 for delivering profiles from one material unloading rack 3 to another material unloading rack 3, and a vibrating plate 4 is also provided on the workbench 1 for conveying screws, and there are two vibrating plates 4, two adjacent workstations share one vibrating plate 4, and a certain orientation mechanism 5 is provided at the end of each vibrating plate 4 for orienting the screws to prevent them from rotating. A loading and unloading robot 6, a loading rack 7, a unloading rack 8, a feeding conveyor belt 9 and a discharging conveyor belt 10 are also provided next to the workbench 1. The feeding conveyor belt 9 and the discharging conveyor belt 10 are arranged in parallel and in opposite conveying directions. The feeding conveyor belt 9 is arranged between the workbench 1 and the loading rack 7, and the discharging conveyor belt 10 is arranged between the workbench 1 and the unloading rack 8.

[0025] Specifically, more than two square positioning clamps 11 are provided beside the unloading rack 3, and each square positioning clamp 11 includes a positioning pressure cylinder 12 fixed to the workbench 1, and a rotating cylinder 13 is provided at the working end of the positioning pressure cylinder 12, and a pressing block 14 is connected to the working end of the rotating cylinder 13. The pressing block 14 protrudes horizontally in one direction. When the profile needs to come out of the unloading rack 3, the positioning pressure cylinder 12 extends, and the rotating cylinder 13 rotates an angle so that the pressing block 14 leaves the top of the unloading rack 3, and the handling manipulator 15 can take out the profile. When the profile needs to be fixed for riveting processing, the rotating cylinder 13 rotates an angle so that the pressing block 14 is located above the unloading rack 3, and the positioning pressure cylinder 12 retracts, and the pressing block 14 presses the profile tightly.

[0026] Specifically, the handling manipulator 15 has two grippers 16 for convenient handling and replacement of the profiles on the unloading rack 3. When the handling manipulator 15 moves to the top of a certain unloading rack 3, an empty gripper 16 on the handling manipulator 15 grabs the profile on the unloading rack 3, and the profile that has been grabbed by the handling manipulator 15 is placed on the unloading rack 3. When placing the profile, the handling manipulator 15 rotates an angle so that when the profile is placed, it is placed after rotating 90°, so that the profile can be turned over for processing. In this way, the profile on the unloading rack 3 is replaced, and each station uses this method to replace the profile, so as to achieve the purpose of handling the profile.

[0027] Specifically, the orienting mechanism 5 includes an orienting channel 17, the width of which matches the width of the screw, that is, the screw cannot rotate after being placed in the orienting channel 17, but the screw can be taken out upwards. A pushing pressure cylinder 18 is provided at the end of the orienting channel 17, and the orienting channel 17 is connected to the unloading channel 19 of the vibration disk 4. The direction of the orienting channel 17 is perpendicular to the unloading channel 19 of the vibration disk 4. The screw enters the orienting channel 17 from the unloading channel 19 of the vibration disk 4, and the orienting channel 17 can only accommodate one screw at a time, and the screw is then pushed forward by the pushing pressure cylinder 18, so that the riveting robot 2 can screw the screw into the screw, and the riveting robot 2 then moves the screw to the profile for riveting processing.

[0028] When the present invention is working, the loading and unloading manipulator 6 delivers the profile on the loading rack 7 to the feeding conveyor belt 9, the feeding conveyor belt 9 delivers the profile into the workbench 1, the handling manipulator 15 moves the profile on the feeding conveyor belt 9 to the unloading rack 3 of the first station, the square positioning clamp 11 fixes the profile, the riveting manipulator 2 rivets the screws in the profile, and after one side of the profile is riveted, the handling manipulator 15 turns the profile on the unloading rack 3 of the first station by 90° and moves it to the second station, turns the profile on the second station by 90° and moves it to the third station, turns the profile on the third station by 90° and moves it to the fourth station, and the profile on the unloading rack 3 of the fourth station is moved to the unloading conveyor belt 10, the unloading conveyor belt 10 delivers the profile from the workbench 1, and the handling manipulator 15 moves the profile on the unloading conveyor belt 10 to the unloading rack 8. With the above processing method, the processing efficiency is greatly improved.

[0029] The embodiments of the present invention are described above in conjunction with the accompanying drawings, but the present invention is not limited to the above-mentioned specific implementation methods. The above-mentioned specific implementation methods are merely illustrative and not restrictive. Under the enlightenment of the present invention, ordinary technicians in this field can also make many forms without departing from the scope of protection of the present invention and the claims, which all belong to the protection scope of the present invention.

Claims

1. A profile screw rapid riveting machine, comprising a workbench, characterized in that: There are multiple workstations evenly arranged on the workbench, each workstation is provided with a riveting robot and a material discharge rack, a handling robot is provided in the middle of the workbench for sending the profile from one material discharge rack to another material discharge rack, the workbench is also provided with a vibrating plate for conveying screws, and a certain orientation mechanism is provided at the end of each vibrating plate for orienting the screws to prevent them from rotating, and also includes a loading and unloading robot for moving the profile to the material discharge rack of the first workstation and moving the profile out of the material discharge rack of the last workstation. There are two grippers on the handling robot for easy handling and replacement of the profile on the material discharge rack. When the profile already grasped by the handling robot is placed on the material discharge rack, the handling robot rotates so that when the profile is put down, it is placed after rotating 90°. The orientation mechanism includes an orientation channel, the width of the orientation channel matches the width of the screw, and a pushing pressure cylinder is provided at the end of the orientation channel. The orientation channel is connected to the unloading channel of the vibrating plate, and the direction of the orientation channel is perpendicular to the unloading channel of the vibrating plate.

2. A profile screw rapid riveting machine according to claim 1, characterized in that: A loading rack, an unloading rack, a feed conveyor belt and a discharge conveyor belt are also provided next to the workbench. The loading and unloading robot sends the profiles on the loading rack to the feed conveyor belt, the handling robot moves the profiles on the feed conveyor belt to the unloading rack of the first station, the handling robot moves the profiles on the unloading rack of the last station to the discharge conveyor belt, and the loading and unloading robot moves the profiles on the discharge conveyor belt to the unloading rack.

3. A profile screw rapid riveting machine according to claim 1, characterized in that: More than two square positioning clamps are arranged beside the material discharging rack, each of which comprises a positioning pressure cylinder fixed to the workbench, a rotating cylinder is arranged at the working end of the positioning pressure cylinder, and a material pressing block is connected to the working end of the rotating cylinder.

4. A profile screw rapid riveting machine according to claim 1, characterized in that: There are four workstations.

5. A profile screw rapid riveting machine according to claim 4, characterized in that: There are two vibration plates, and two adjacent workstations share one vibration plate.

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