Automatic riveting supporting equipment

Abstract

The utility model relates to automatic riveting supporting equipment which comprises a base, a material moving mechanism, a rivet pressing mechanism and an electric control system, the material moving mechanism and the rivet pressing mechanism are fixedly arranged on the base, and the electric control system is arranged on one side of the base and electrically connected with the material moving mechanism and the rivet pressing mechanism. The two rivet pressing mechanisms are arranged on the base side by side and controlled by the electric control system to conduct two-way rivet pressing operation on a rivet pressing workpiece, and the material moving mechanism stretches across the two rivet pressing mechanisms to sequentially transfer or remove the rivet pressing workpiece. The feeding and rivet pressing processes are automatically controlled by the electric control system, the rivet pressing mechanism can automatically conduct positioning, pressing and rivet pressing operation on a rivet pressing workpiece after the material moving mechanism conducts feeding, the mechanical-electrical-hydraulic integrated equipment is high in automation degree, compact and reasonable in structure and small in occupied area, the electric control system automatically controls punching and riveting operation of the rivet pressing workpiece, and the automatic riveting device is suitable for large-scale popularization and application. And the finished product quality is improved, the consistency is high, meanwhile, the production efficiency is improved, personnel and sites are saved, and the risk of batch accidents can be avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of riveting and assembling of automobile parts, and specifically relates to an automatic riveting support device. Background Technique

[0002] At present, in the automotive industry, in order to reduce the weight of automobiles and energy consumption, most automobile parts are made of aluminum profiles with low density and excellent plasticity. Aluminum profile parts are not suitable for connection by welding process, and assembly is mostly carried out by press riveting process. The overall deformation of parts connected by press riveting is small and the strength is good. At present, when using existing press riveting equipment for press riveting, operators manually place the parts at the press riveting equipment for riveting operation, resulting in low production efficiency. The quality of finished products is greatly affected by the operator's own level, leading to unstable quality of finished products. Moreover, there is a risk of personal accidents in manual operation. Chinese patent CN220387805U discloses a double-riveting machine for riveting of automobile components, which is symmetrically provided with two press riveting mechanisms and two feeding mechanisms, solving the problem of manual feeding. However, the technical solution has the following defects: the layout of its feeding structure line and the press riveting mechanism occupies a large area, the overall automation degree is low, and the riveting quality of the bottom surface of the press riveted finished product of the aluminum profile by the unidirectional pressure of the press riveting mechanism is inconsistent. Therefore, an automatic riveting support device is needed to solve the above problems. Content of the Utility Model

[0003] The purpose of the utility model is to provide an automatic riveting support device to solve the problems raised in the above background technique.

[0004] The utility model provides the following technical solutions:

[0005] An automatic riveting support device includes a base, a material transfer mechanism, a press riveting mechanism and an electric control system; the material transfer mechanism and the press riveting mechanism are fixedly arranged on the base, the electric control system is arranged on one side of the base and is electrically connected with the material transfer mechanism and the press riveting mechanism respectively. Two press riveting mechanisms are arranged side by side on the base, and two material transfer mechanisms are respectively arranged in front of and behind the press riveting mechanism and both span the two press riveting mechanisms. The press riveting mechanism includes a press riveting module that can perform press riveting operations by moving towards each other and punching. The press riveting module is vertically arranged on the press riveting mechanism.

[0006] For the above automatic riveting support device, the press riveting module includes a support seat, a riveting device and a sliding table. The sliding table is fixed on the base. The support seat is arranged in a U-shaped manner on the sliding table and can slide reciprocally along the sliding table. Two riveting devices are respectively arranged at the top and bottom of the support seat to perform press riveting operations on the workpiece by punching. The riveting device at the top can slide reciprocally with the support seat.

[0007] The above-mentioned automatic riveting support equipment, the riveting device includes a hydraulic cylinder, a riveting die and a hydraulic pump station. The riveting die is fixedly connected to the end of the hydraulic cylinder piston rod and can move back and forth with the piston rod. The hydraulic pump station is arranged in the base and connected to the two hydraulic cylinders through a high-pressure hose. The hydraulic pump station is electrically connected to the electronic control system, and the electronic control system controls the two hydraulic cylinders to move towards each other to perform riveting operations on the workpiece.

[0008] The above-mentioned automatic riveting support equipment, the riveting mechanism also includes a longitudinal positioning module, a transverse positioning module and a clamping device, the longitudinal positioning module is arranged on the horizontal center line of the riveting module and can slide back and forth along the center line, the transverse positioning module and the clamping device are arranged on the side of the riveting module and are fixed on the longitudinal positioning module, and the clamping device is located on the outside of the transverse positioning module.

[0009] The above-mentioned automatic riveting support equipment, the longitudinal positioning module includes a positioning seat, a first clamping seat and a second clamping seat arranged on the guide rail, the first clamping seat and the second clamping seat are respectively arranged at both ends of the positioning seat and can slide back and forth along the guide rail, the first clamping seat is provided with a rodless cylinder mounted on the positioning seat, the rodless cylinder and the second clamping seat slide toward each other to the positioning seat to axially position the riveted workpiece.

[0010] The above-mentioned automatic riveting support equipment, the pressing device includes a pressing cylinder, a pressing plate and an elastic pressing block. The pressing plate is fixedly arranged on the top of the pressing cylinder. The pressing cylinder can drive the pressing plate to rise and fall and swing back and forth 90° around the lifting axis. The elastic pressing block is fixed under the pressing plate to press the riveted workpiece.

[0011] The above-mentioned automatic riveting support equipment, the base is a frame structure including a transverse seat and two longitudinal seats, the two longitudinal seats are arranged in parallel and fixed on one side of the transverse seat respectively, and the two riveting mechanisms are fixed on the base corresponding to the two longitudinal seats respectively.

[0012] The above-mentioned automatic riveting support equipment, the material moving mechanism includes a truss and a mechanical gripper, the truss is arranged across the two riveting mechanisms and is fixedly connected to the base, and the two mechanical grippers are slidably arranged on the truss and can reciprocate along the truss.

[0013] The above-mentioned automatic riveting support equipment, the mechanical gripper includes a lifting column and a claw, the top of the lifting column is slidably connected to the truss, the two claws are symmetrically arranged at the bottom of the lifting column and can be lifted and lowered along the lifting column, and the two claws can perform clamping operations separately.

[0014] The beneficial effects of adopting the above technical solution are:

[0015] The automatic riveting support equipment provided by the present invention includes a base, a material moving mechanism, a press riveting mechanism and an electronic control system. It is an electromechanical and hydraulic integrated automatic equipment. The material moving mechanism can automatically position, press and rivet the riveted workpiece after transferring the riveted workpiece to the press riveting mechanism, thereby reducing the welding process; the two press riveting mechanisms are arranged side by side on the base and are controlled by the electronic control system to perform press riveting operations, thereby improving production efficiency; the press riveting mechanisms perform bidirectional counter-action operations, thereby improving the double-sided riveting forming quality of the finished product; the material moving mechanism spans the two press riveting mechanisms and sequentially transfers or removes the riveted workpiece, and the reasonable structure saves production space. The present application has a high degree of automation. The electronic control system controls the material moving mechanism and the press riveting mechanism to complete the punching and riveting operations of the riveted workpiece, thereby improving product quality and performance, improving production efficiency, saving production personnel, and avoiding the risk of batch quality accidents. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a three-dimensional structural diagram of the utility model;

[0017] Figure 2 It is a three-dimensional structural schematic diagram of the utility model from another angle;

[0018] Figure 3 It is a front structural schematic diagram of the utility model;

[0019] Figure 4 This is a schematic diagram of the top view of the structure of the utility model;

[0020] Figure 5 It is a side structural schematic diagram of the utility model;

[0021] Figure 6 It is a three-dimensional structural diagram of the pressure riveting mechanism of the utility model.

[0022] In the figure: 1. Base; 1-1. Horizontal seat; 1-2. Longitudinal seat; 2. Material transfer mechanism; 2-1. Truss; 2-2. Mechanical gripper; 2-2-1. Lifting column; 2-2-2. Claw; 3. Riveting mechanism; 3-1. Riveting module; 3-1-1. Support seat; 3-1-2. Riveting device; 3-1-21. Hydraulic cylinder; 3-1-22. Riveting die; 3-1-3. Slide; 3-2. Longitudinal positioning module; 3-2-1. Guide rail; 3-2-2. Positioning seat; 3-2-3. First clamping seat; 3-2-4. Second clamping seat; 3-2-5. Rodless cylinder; 3-3. Horizontal positioning module; 3-4. Clamping device; 3-4-1. Clamping cylinder; 3-4-2. Pressing plate; 3-4-3. Elastic pressure block; 4. Electronic control system. DETAILED DESCRIPTION

[0023] In order to make the purpose, technical solutions and advantages of the present invention more clear, the present invention is described clearly and completely below in conjunction with specific embodiments.

[0024] As Figures 1 to 6 shown, an automatic riveting support device includes a base 1, a material transfer mechanism 2, a riveting mechanism 3 and an electric control system 4; the material transfer mechanism 2 and the riveting mechanism 3 are fixedly arranged on the base 1, the electric control system 4 is arranged on one side of the base 1 and is electrically connected to the material transfer mechanism 2 and the riveting mechanism 3 respectively, two riveting mechanisms 3 are arranged side by side on the base 1, two material transfer mechanisms 2 are respectively arranged in front of and behind the riveting mechanism 3 and both span the two riveting mechanisms 3, the material transfer mechanism 2 sequentially transfers riveting workpieces to the two riveting mechanisms 3, the riveting mechanism 3 includes a riveting module 3-1 that can perform riveting operations by moving towards each other and punching, the riveting module 3-1 is vertically arranged on the riveting mechanism 3, and the riveting mechanism 3 is controlled by the electric control system 4 to perform the riveting operation of moving towards each other and punching the riveting workpiece.

[0025] As Figure 3 and Figure 6 shown, the riveting module 3-1 includes a support base 3-1-1, a riveting device 3-1-2 and a sliding table 3-1-3. The sliding table 3-1-3 is fixedly connected to the base 1 by bolts. The support base 3-1-1 is arranged in a U-shape on the sliding table 3-1-3 and can slide reciprocally along the sliding table 3-1-3. Two riveting devices 3-1-2 are respectively arranged at the top and bottom of the support base 3-1-1. The two riveting devices 3-1-2 can perform riveting operations by moving towards each other and punching the riveting workpiece. The support base 3-1-2 can slide reciprocally with the support base 3-1-1. The electric control system 4 controls the two riveting devices 3-1-2 to perform riveting operations when they are located on the same vertical axis. The riveting device 3-1-2 includes a hydraulic cylinder 3-1-21, a riveting die 3-1-22 and a hydraulic pump station. The riveting die 3-1-22 is fixedly connected to the end of the piston rod of the hydraulic cylinder 3-1-21 and can move reciprocally with the piston rod. The hydraulic pump station is arranged in the base 1 and is connected to the two hydraulic cylinders 3-1-21 through high-pressure hoses. The hydraulic pump station is electrically connected to the electric control system 4. The electric control system 4 controls the two hydraulic cylinders 3-1-21 to act and perform riveting operations by moving towards each other and punching the riveting workpiece.

[0026] As Figures 2 to 6As shown, the riveting mechanism 3 also includes a longitudinal positioning module 3-2, a transverse positioning module 3-3 and a clamping device 3-4. The longitudinal positioning module 3-2 is arranged on the horizontal center line of the riveting module 3-1 and can slide back and forth along the center line to longitudinally clamp or loosen the riveted workpiece. The transverse positioning module 3-3 and the clamping device 3-4 are arranged on the side of the riveting module 3-1 and are fixed to the longitudinal positioning module 3-2 by bolts. The clamping device 3-4 is located on the outside of the transverse positioning module 3-3; the transverse positioning module 3-3 clamps or loosens the riveted workpiece laterally through the positioning block and the clamping cylinder; the riveted workpiece 3-4 clamps or loosens the riveted workpiece laterally in the vertical direction. The longitudinal positioning module 3-2 includes a positioning seat 3-2-2, a first clamping seat 3-2-3 and a second clamping seat 3-2-4 arranged on the guide rail 3-2-1. The first clamping seat 3-2-3 and the second clamping seat 3-2-4 are respectively arranged at both ends of the positioning seat 3-2-2 and can slide back and forth along the guide rail 3-2-1. The first clamping seat 3-2-3 is provided with a rodless cylinder 3-2-5 mounted on the positioning seat 3-2-2. The rodless cylinder 3-2-5 and the second clamping seat 3-2-4 slide toward each other to the positioning seat 3-2-2 to axially position the riveted workpiece. The pressing device 3-4 includes a pressing cylinder 3-4-1, a pressing plate 3-4-2 and an elastic pressing block 3-4-3. The pressing plate 3-4-2 is fixedly arranged on the top of the pressing cylinder 3-4-1. The pressing cylinder 3-4-1 can drive the pressing plate 3-4-2 to move up and down and to swing back and forth 90 degrees around the lifting axis. The elastic pressing block 3-4-3 is fixed under the pressing plate 3-4-2 to press the riveted workpiece. The elastic pressing block 3-4-3 can prevent the riveted workpiece from being crushed to avoid local indentations.

[0027] like Figure 2 and Figure 3 As shown, the material transfer mechanism 2 includes a truss 2-1 and a mechanical gripper 2-2. The truss 2-1 is arranged across the two riveting mechanisms 3 and is fixedly connected to the base 1. The two mechanical grippers 2-2 are slidably arranged on the truss 2-1 and can reciprocate along the truss 2-1 to transfer the riveted workpieces to the riveting mechanisms 3. The mechanical gripper 2-2 includes a lifting column 2-2-1 and a clamping claw 2-2-2. The top of the lifting column 2-2-1 is slidably connected to the truss 2-1. The two clamping claws 2-2-2 are symmetrically arranged at the bottom of the lifting column 2-2-1 and can be raised and lowered along the lifting column 2-2-1. The two clamping claws 2-2-2 can perform clamping operations separately. The two clamping claws 2-2-2 can clamp two riveted workpieces and place them sequentially on the two riveting mechanisms 3.

[0028] The base 1 is a frame structure consisting of a transverse seat 1-1 and two longitudinal seats 1-2. The two longitudinal seats 1-2 are arranged in parallel and fixed to one side of the transverse seat 1-1 to ensure the parallelism of the upper plane. Two riveting mechanisms 3 are fixed to the base 1 corresponding to the two longitudinal seats 1-2. The electronic control system 4 includes a control cabinet, an operating screen, and a teaching pendant. The control cabinet adopts the Siemens S7-1500 series or above. The operating screen and teaching pendant are electrically connected to the control cabinet, which is also electrically connected to the material transfer mechanism 2 and the riveting mechanism 3.

[0029] Working process: Start the electronic control system, and each part of the equipment enters the working state after self-inspection. The material transfer mechanism feeds the material to the riveting mechanism, and the mechanical gripper of the material transfer mechanism places the riveted workpiece on the two riveting mechanisms in sequence. The longitudinal positioning module of the riveting mechanism moves toward each other along the axis to clamp the two ends of the riveted workpiece, and the transverse positioning module presses the riveted workpiece from the side. The pressure plate of the clamping device rotates to the top of the riveted workpiece, and the pressure plate presses the riveted workpiece downward. The riveting module slides along the slide to the top of the riveted workpiece. The electronic control system drives the two hydraulic cylinders of the riveting device to move toward each other, and drives the riveting die to punch in both directions to rivet the riveted workpiece firmly, completing the riveting of the riveted workpiece. The various parts of the riveting module are reset, and the material transfer mechanism removes the riveted workpiece that has been riveted, and the riveting operation is completed.

[0030] This article uses specific examples to illustrate the principles and implementation methods of the present invention. The above examples are only used to help understand the method and core ideas of the present invention. It should be pointed out that due to the limitations of textual expression, ordinary technicians in this technical field can make several improvements, modifications or changes without departing from the principles of the present invention, and can also combine the above technical features in an appropriate manner; these improvements, modifications, changes or combinations, or the direct application of the concept and technical solution of the utility model to other occasions without modification, should be considered as the scope of protection of the present utility model.

Claims

1. An automatic riveting support device, characterized in that: It includes a base (1), a material transfer mechanism (2), a riveting mechanism (3), and an electric control system (4); the material transfer mechanism (2) and the riveting mechanism (3) are fixedly arranged on the base (1), the electric control system (4) is arranged on one side of the base (1) and is electrically connected to the material transfer mechanism (2) and the riveting mechanism (3) respectively. Two riveting mechanisms (3) are arranged side by side on the base (1), and two material transfer mechanisms (2) are respectively arranged in front of and behind the riveting mechanism (3) and both span the two riveting mechanisms (3). The riveting mechanism (3) includes a riveting module (3-1) that can perform riveting operations by moving towards each other and punching. The riveting module (3-1) is vertically arranged on the riveting mechanism (3).

2. The automatic riveting support device according to claim 1, characterized in that: The riveting module (3-1) includes a support seat (3-1-1), a riveting device (3-1-2), and a sliding table (3-1-3). The sliding table (3-1-3) is fixed on the base (1). The support seat (3-1-1) is arranged in a "冂" shape on the sliding table (3-1-3) and can slide reciprocally along the sliding table (3-1-3). Two riveting devices (3-1-2) are respectively arranged at the top and bottom of the support seat (3-1-1) to perform riveting operations by punching and riveting the workpiece. The riveting device (3-1-2) at the top can slide reciprocally with the support seat (3-1-1).

3. The automatic riveting support device according to claim 2, characterized in that: The riveting device (3-1-2) includes a hydraulic cylinder (3-1-21), a riveting die (3-1-22), and a hydraulic pump station. The riveting die (3-1-22) is fixedly connected to the end of the piston rod of the hydraulic cylinder (3-1-21) and can move reciprocally with the piston rod. The hydraulic pump station is arranged inside the base (1) and is connected to the two hydraulic cylinders (3-1-21) through high-pressure hoses. The hydraulic pump station is electrically connected to the electric control system (4), and the electric control system ( 4. The automatic riveting support device according to claim 2, characterized in that: ​ 5. The automatic riveting support device according to claim 4, characterized in that: The longitudinal positioning module (3-2) includes a positioning seat (3-2-2), a first clamping seat (3-2-3) and a second clamping seat (3-2-4) arranged on a guide rail (3-2-1); the first clamping seat (3-2-3) and the second clamping seat (3-2-4) are respectively arranged at both ends of the positioning seat (3-2-2) and can slide back and forth along the guide rail (3-2-1); the first clamping seat (3-2-3) is provided with a rodless cylinder (3-2-5) mounted on the positioning seat (3-2-2); the rodless cylinder (3-2-5) and the second clamping seat (3-2-4) slide toward each other to the positioning seat (3-2-2) to axially position the riveted workpiece.

6. The automatic riveting support device according to claim 4, characterized in that: The pressing device (3-4) comprises a pressing cylinder (3-4-1), a pressing plate (3-4-2) and an elastic pressing block (3-4-3); the pressing plate (3-4-2) is fixedly arranged on the top of the pressing cylinder (3-4-1); the pressing cylinder (3-4-1) can drive the pressing plate (3-4-2) to move up and down and to swing back and forth 90 degrees around the lifting axis; the elastic pressing block (3-4-3) is fixed below the pressing plate (3-4-2) to press the riveted workpiece.

7. The automatic riveting support device according to claim 1, characterized in that: The base (1) is a frame structure comprising a transverse seat (1-1) and two longitudinal seats (1-2); the two longitudinal seats (1-2) are arranged in parallel and fixed on one side of the transverse seat (1-1); and the two riveting mechanisms (3) are fixed on the base (1) corresponding to the two longitudinal seats (1-2).

8. The automatic riveting support device according to claim 1, characterized in that: The material transfer mechanism (2) comprises a truss (2-1) and a mechanical gripper (2-2); the truss (2-1) is arranged across the two riveting mechanisms (3) and is fixedly connected to the base (1); the two mechanical grippers (2-2) are slidably arranged on the truss (2-1) and can reciprocate along the truss (2-1).

9. The automatic riveting support device according to claim 8, characterized in that: The mechanical gripper (2-2) comprises a lifting column (2-2-1) and a clamping claw (2-2-2). The top of the lifting column (2-2-1) is slidably connected to the truss (2-1). The two clamping claws (2-2-2) are symmetrically arranged at the bottom of the lifting column (2-2-1) and can be raised and lowered along the lifting column (2-2-1). The two clamping claws (2-2-2) can perform clamping operations respectively.

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