Workpiece pressing system

Abstract

The utility model provides a workpiece pressing system. Relates to the field of workpiece pressing detection, and aims to solve the problem of low workpiece pressing monitoring efficiency at present, a special push plate feeding machine, a conveying assembly, a transfer robot and a structure matched with each component are arranged, the conveying assembly comprises two parallel conveying belts, the two conveying belts are main body parts for conveying workpieces, and the two conveying belts are parallel to each other; according to the automatic feeding device, multiple workpieces can be conveyed at the same time, the conveying efficiency is improved, the original single feeding mode is changed, the multiple workpieces can be conveyed and grabbed in order at the same time, the feeding speed is effectively increased, and therefore the overall workpiece pressing detection efficiency can be improved.

Description

Technical Field

[0001] This utility model relates to the field of workpiece pressure testing, and in particular to a workpiece pressure testing system. Background Technology

[0002] In the pipe fitting production process, vertical hydraulic presses are used to test the sealing performance of the pipe fittings. However, the feeding and unloading efficiency is low during pressure testing. Furthermore, the operation of the vertical hydraulic press can easily cause injury to the operator, posing a high safety hazard. Improper operation may lead to accidents such as worker injuries.

[0003] Chinese patent (publication number CN1100508706B, publication date 20191129) discloses an automatic loading and unloading system for a stamping production line robot. The system uses a positioning component on the loading platform to position and fix curved materials. Through an automatic loading and unloading algorithm for stamping material stacks, the system can conveniently and quickly teach the actions of the stamping robot to pick up and place stacked materials without increasing the degrees of freedom of the loading equipment. However, it does not consider the requirements for loading efficiency and loading method during the workpiece pressing and testing process. The single workpiece loading method is difficult to effectively improve the loading speed, resulting in low pressing and testing efficiency. Utility Model Content

[0004] The purpose of this invention is to address the shortcomings of existing technologies by providing a workpiece pressing system. By setting up a dedicated pusher loading machine, conveying components, transfer robot, and structures adapted to each component, the original single loading method is changed, enabling the simultaneous orderly conveying and gripping of multiple workpieces, effectively improving the loading speed and thus enhancing the overall workpiece pressing and testing efficiency.

[0005] To achieve the above objectives, the following technical solution is adopted:

[0006] A workpiece pressing system, comprising:

[0007] The push plate feeder is equipped with a hopper and an output trough. The hopper is used to hold the workpieces to be pressed, and the output trough receives the workpieces output from the hopper.

[0008] The conveying assembly includes two parallel conveyor belts. One end of each conveyor belt is provided with a receiving trough and the other end is provided with a stop plate. The receiving trough is provided with a receiving port and a guide channel. The receiving port is connected to the output trough. The two conveyor belts are connected to the receiving port through corresponding guide channels. The receiving port is equipped with a push rod. The push rod acts on the workpiece passing through the receiving port to adjust the workpiece to alternately enter the two conveyor belts.

[0009] The transfer robot has a gripper at its end effector. The gripper includes two sets of grippers spaced apart. The spacing between the gripping parts of the two sets of grippers matches the spacing between two parallel conveyor belts, and is used to grip the workpieces carried on the two conveyor belts.

[0010] The hydraulic press has multiple pressurization stations, and the spacing between adjacent pressurization stations matches the spacing between the two sets of grippers on the fixture.

[0011] Furthermore, the output slot is arranged at an angle, with the lower end of the output slot connected to the material receiving port.

[0012] Furthermore, the pusher plate feeder also includes a pusher plate feeding mechanism, and the output slot is located at the top output end of the pusher plate feeding mechanism.

[0013] Furthermore, baffles are provided on both sides of the conveyor belt, and the baffles, together with the top conveying surface of the conveyor belt, form a conveying trough. One end of the conveying trough is connected to the guide channel, and the other end is provided with a stop plate to prevent the workpiece in the conveying trough from falling out.

[0014] Furthermore, the receiving trough includes a bottom plate and side plates, with two spaced-apart side plates combined with the bottom plate to form a guide channel.

[0015] Furthermore, one conveyor belt of the conveying assembly is connected to the receiving port through the first guide channel, and the other conveyor belt is connected to the receiving port through the second guide channel. The pusher end is provided with a pusher block, which can avoid or push the workpiece in the receiving port so that the workpiece enters the first guide channel or the second guide channel.

[0016] Furthermore, the transfer robot also includes a robotic arm, with a gripper mounted at the end of the robotic arm.

[0017] Furthermore, the hydraulic press is equipped with a feeding chute on the side near the transfer robot to receive and unload the pressurized workpiece.

[0018] Furthermore, the multiple pressing stations are divided into two groups of two, and the two workpieces held by the fixture are loaded onto one of the pressing stations.

[0019] Furthermore, a discharge rod is provided on the side of the pressing station away from the transfer robot. The end of the discharge rod can extend and retract relative to the pressing station to push the workpiece out of or out of the pressing station.

[0020] Compared with the prior art, the advantages and positive effects of this utility model are:

[0021] To address the current issue of low efficiency in workpiece pressure testing, a specialized pusher loading machine, conveying components, transfer robots, and structures adapted to each component have been installed. This has changed the original single loading method, enabling the simultaneous and orderly conveying and gripping of multiple workpieces, effectively improving the loading speed and thus enhancing the overall efficiency of workpiece pressure testing. Attached Figure Description

[0022] The accompanying drawings, which form part of this specification, are used to provide a further understanding of this utility model. The illustrative embodiments of this utility model and their descriptions are used to explain this utility model and do not constitute an improper limitation of this utility model.

[0023] Figure 1 This is a schematic diagram of the workpiece pressing system in an embodiment of this utility model.

[0024] Figure 2 This is a schematic diagram of the conveying component in an embodiment of the present invention.

[0025] Figure 3 This is a schematic diagram of the transfer robot and hydraulic press in the embodiments of this utility model.

[0026] In the diagram, 1. Push plate feeder; 2. Hopper; 3. Output trough; 4. Transfer robot; 5. Conveyor belt; 6. Receiving trough; 7. Stop plate; 8. Guide channel; 9. Fixture; 10. Gripper; 11. Workpiece; 12. Hydraulic press; 13. Pressing station; 14. Push rod; 15. Push plate feeder mechanism; 16. Baffle; 17. Discharge trough; 18. Discharge rod. Detailed Implementation

[0027] In a typical embodiment of this utility model, such as Figures 1-3 As shown, a workpiece pressing system is proposed.

[0028] In existing technologies, when pressure testing workpieces 11 such as pipe fittings using a hydraulic press 12, the single-workpiece-11 feeding method is difficult to effectively improve the feeding speed, resulting in low pressure testing efficiency. Therefore, this embodiment provides a workpiece pressure testing system. By setting up a dedicated pusher feeder 1, a conveying assembly, a transfer robot 4, and structures adapted to each component, the original single-feeding method is changed. This system enables the simultaneous and orderly conveying and gripping of multiple workpieces 11, effectively improving the feeding speed and thus enhancing the overall workpiece pressure testing efficiency.

[0029] like Figure 1 As shown, a workpiece pressing system includes a pusher plate feeder 1, a conveying assembly, a transfer robot 4, and a hydraulic press 12. The pusher plate feeder 1 is equipped with a hopper 2 and an output trough 3. The hopper 2 is used to accommodate workpieces 11 to be pressed, serving as a storage place for the workpieces 11 and capable of storing a certain number of workpieces 11 to be processed. The output trough 3 receives the workpieces 11 output from the hopper 2, acting as a transitional connection and guiding the workpieces 11 in the hopper 2 to the subsequent conveying stage. It is the starting part of the entire feeding process, providing the source of workpieces 11 for subsequent feeding operations.

[0030] The conveying assembly includes two parallel conveyor belts 5, which are the main components for conveying workpieces 11. They can convey multiple workpieces 11 simultaneously, thereby improving conveying efficiency.

[0031] One end of the conveyor belt 5 is provided with a receiving trough 6, which has a receiving port and a guide channel 8. The receiving port connects to the output trough 3, so that the workpiece 11 output from the output trough 3 of the push plate feeder 1 can smoothly enter the conveying assembly. The two conveyor belts 5 are connected to the receiving port through the corresponding guide channels 8, ensuring that the workpiece 11 can be reasonably distributed on the two conveyor belts 5. The receiving port is equipped with a push rod 14, which acts on the workpiece 11 passing through the receiving port to adjust the workpiece 11 to alternately enter the two conveyor belts 5. By controlling the entry of the workpiece 11 into the conveyor belts 5 through the push rod 14, the orderly distribution of the workpiece 11 on the two conveyor belts 5 is realized, which is convenient for subsequent operations such as gripping by the transfer robot 4.

[0032] The other end of the conveyor belt 5 is equipped with a stop plate 7, which can prevent the workpiece 11 from slipping off the end of the conveyor belt 5 during the conveying process, and plays a blocking and positioning role, so as to facilitate the transfer robot 4 to grasp the workpiece 11.

[0033] The end effector of the transfer robot 4 is equipped with a gripper 9, which includes two sets of grippers 10 spaced apart. The spacing between the gripping parts of the two sets of grippers 10 matches the spacing between the two parallel transmission belts, so that the gripper 9 of the transfer robot 4 can accurately grasp the workpieces 11 carried on the two conveyor belts 5, and accurately pick up the workpieces 11 from the conveyor belts 5 and transfer them to the subsequent process. It is a key part connecting the conveying link and the pressing link.

[0034] The hydraulic press 12 is equipped with multiple pressing stations 13. The spacing between adjacent pressing stations 13 matches the spacing between the two sets of grippers 10 on the fixture 9, ensuring that the transfer robot 4 can conveniently and accurately place the gripped workpiece 11 onto the corresponding pressing station 13 of the hydraulic press 12, so that the entire feeding and pressing process can be smoothly connected. Multiple pressing stations 13 also help to press multiple workpieces 11 at the same time, further improving the overall work efficiency.

[0035] The output trough 3 is arranged at an angle, with the lower end of the output trough 3 connecting to the receiving port. By arranging the output trough 3 at an angle, gravity is utilized to allow the workpiece 11 in the hopper 2 to slide more naturally and smoothly toward the receiving port under its own weight. This eliminates the need for additional power devices to push the workpiece 11 for transfer, reducing energy consumption and equipment complexity. Furthermore, it ensures that the workpiece 11 enters the receiving port relatively stably and orderly, providing a continuous and stable supply of workpiece 11 for subsequent conveying processes.

[0036] The inclined distribution of the output slots 3 helps to improve the continuity and stability of feeding, avoids the workpiece 11 from getting stuck in the output slots 3, and further ensures the efficient operation of the entire workpiece pressing system feeding process, thus optimizing the efficiency of the connection process of workpiece 11 from the hopper 2 to the conveying component.

[0037] The pusher plate feeder 1 also includes a pusher plate feeding mechanism 15. The output slot 3 is located at the top output end of the pusher plate feeding mechanism 15. The pusher plate feeding mechanism 15 can push the workpiece 11 in the hopper 2 towards the output slot 3, so that it can smoothly reach the output slot 3 and be output. Setting the output slot 3 at its top output end conforms to the general material conveying logic. With the pushing force of the pusher plate feeding mechanism 15, the workpiece 11 can smoothly enter the subsequent conveying process by relying on this pushing force and subsequent gravity.

[0038] The pusher plate feeding mechanism 15 ensures that the workpiece 11 can change from a static hopper 2 state to a dynamic state that can be transported. It is closely matched with the position of the output trough 3 and together completes the transition of the workpiece 11 from storage to ready for transport.

[0039] like Figure 2 As shown, baffles 16 are provided on both sides of the conveyor belt 5. The baffles 16 and the top conveying surface of the conveyor belt 5 form a conveying trough. One end of the conveying trough is connected to the guide channel 8, and the other end is provided with a stop plate 7 to prevent the workpiece 11 in the conveying trough from falling out. The baffles 16 on both sides of the conveyor belt 5 form a conveying trough, which can effectively constrain the position of the workpiece 11 on the surface of the conveyor belt 5 and prevent the workpiece 11 from slipping off the sides of the conveyor belt 5 due to various external forces (such as slight shaking and inertia when the conveyor belt 5 is running) during the conveying process, so as to ensure that the workpiece 11 is always on the conveying path planned by the conveyor belt 5.

[0040] One end of the conveyor trough is connected to the guide channel 8, allowing the workpiece 11 coming from the receiving port through the guide channel 8 to smoothly enter the conveyor trough and be transported by the conveyor belt 5. The stop plate 7 at the other end cooperates with the conveyor trough to transport the workpiece 11 to the position of the stop plate 7, waiting for the gripper 9 to grab it. The workpiece 11 can smoothly reach the position to be grabbed by the transfer robot 4 along the predetermined conveying route, reducing the occurrence of workpiece 11 loss, misalignment and other situations.

[0041] The receiving trough 6 includes a bottom plate and side plates. Two spaced-apart side plates, together with the bottom plate, form a guide channel 8. This simple yet rational structure of the bottom plate and side plates creates the guide channel 8, providing a guiding path for the workpiece 11 to enter the conveyor belt 5 from the receiving port. The side plates restrict the lateral movement of the workpiece 11, while the bottom plate supports the workpiece 11, allowing it to slide smoothly into the corresponding conveyor belt 5 along the channel formed by the three components, thus effectively guiding the flow of the workpiece 11.

[0042] The guide channel 8 structure ensures the accuracy of the workpiece 11 in the transition from the receiving port to the conveyor belt 5, avoiding the workpiece 11 from rolling randomly or deviating from the route. It helps to improve the accuracy of the entire conveying assembly in distributing and conveying the workpiece 11, and ensures that the two subsequent conveyor belts 5 can receive the workpiece 11 in an orderly manner.

[0043] One conveyor belt 5 of the conveying assembly is connected to the receiving port through the first guide channel 8, and the other conveyor belt 5 is connected to the receiving port through the second guide channel 8. A pusher block is provided at the end of the pusher rod 14. The pusher block can avoid or push the workpiece 11 in the receiving port, so that the workpiece 11 enters the first guide channel 8 or the second guide channel 8. The two conveyor belts 5 are connected to the receiving port through different guide channels 8, and with the pusher block at the end of the pusher rod 14, flexible control of the workpiece 11 entering different conveyor belts 5 is achieved. When the pusher block avoids the workpiece 11, the workpiece 11 can enter the conveyor belt 5 corresponding to a certain guide channel 8 in a natural state; while when the pusher block pushes the workpiece 11, it can change the original flow direction of the workpiece 11, causing it to enter another conveyor belt 5. In this way, the alternating entry of the workpiece 11 into the two conveyor belts 5 can be adjusted relatively precisely, achieving a reasonable distribution of the workpiece 11 on the two conveyor belts 5. The core of achieving efficient feeding and reasonable allocation of workpieces 11 is that it can arrange workpieces 11 into different conveyor belts 5 in an orderly manner according to actual needs, avoiding problems such as workpieces 11 being concentrated in a certain conveyor belt 5, which would cause difficulties in gripping by the subsequent transfer robot 4 or uneven feeding.

[0044] like Figure 3 As shown, the transfer robot 4 also includes a robotic arm, with a gripper 9 mounted at the end of the robotic arm. As a crucial component of the transfer robot 4, the robotic arm enables the gripper 9 to rotate and move in a three-axis space. Following a preset program or operator instructions, it accurately moves the gripper 9 to the position on the conveyor belt 5 to grasp the workpiece 11, and then moves it to the pressing station 13 of the hydraulic press 12 to place the workpiece 11. The gripper 9, mounted at the end of the robotic arm, works in tandem to complete the transfer task of the workpiece 11 from the conveying stage to the pressing stage.

[0045] The robotic arm acts as a bridge connecting the conveying components and the hydraulic press 12. Its flexible movement capabilities expand the working range and accuracy of the transfer robot 4, enabling the clamp 9 to accurately and efficiently complete the clamping and placement of the workpiece 11, ensuring that the workpiece 11 can be smoothly transferred between different processes.

[0046] The hydraulic press 12 has a feeding chute 17 on the side near the transfer robot 4, which receives and feeds the pressed workpiece 11, so that the pressed workpiece 11 can be collected in an orderly manner or further transferred to the subsequent processing stage, making the material flow smooth.

[0047] Multiple pressing stations 13 are divided into two groups of two. Two workpieces 11 held by the fixture 9 are loaded onto one of the pressing stations 13. By grouping the multiple pressing stations 13 and ensuring that the fixture 9 can hold two workpieces 11 at a time and load them onto one of the pressing stations 13, the pressing sequence and spatial layout of the workpieces 11 are rationally planned. Multiple workpieces 11 can be pressed simultaneously, improving the working efficiency of the hydraulic press 12, achieving a certain degree of batch processing, and making the entire pressing process more compact and efficient.

[0048] The grouping and feeding method of the pressing station 13 is matched with the structure and function of the clamp 9 of the transfer robot 4, making full use of the clamping capacity of the clamp 9 and the station resources of the hydraulic press 12, optimizing the workflow of the entire pressing process, and improving the production efficiency of the entire workpiece pressing system.

[0049] A discharge rod 18 is provided on the side of the pressing station 13 away from the transfer robot 4. The end of the discharge rod 18 can extend and retract relative to the pressing station 13 to push the workpiece 11 out of or out of the pressing station 13. This facilitates the active pushing of the workpiece 11 out of the pressing station 13 after the pressing is completed, allowing it to enter the unloading trough 17 or other subsequent receiving positions. Through the extension and retraction action, the discharge rod 18 can extend into the pressing station 13 at the appropriate time to exert a pushing effect, ensuring that the workpiece 11 can leave the pressing station 13 smoothly and preventing the workpiece 11 from getting stuck in the pressing station 13 and affecting the next round of pressing operations.

[0050] The pusher plate feeder 1 is an important component of the workpiece pressing system, mainly used to transport the workpieces 11 to be pressed from the storage state to the subsequent conveying stage. The hopper 2 is used to hold the workpieces 11 to be pressed, serving as the storage section for the workpieces 11, capable of holding a certain number of workpieces 11 to provide a source of workpieces 11 for the entire feeding process. The output trough 3 is located at the top output end of the pusher plate feeder 15 and is arranged at an angle, with its relatively lower end connecting to the receiving port. The output trough 3 receives the workpieces 11 output from the hopper 2, and its inclined design allows the workpieces 11 to slide naturally towards the receiving port under gravity, thus smoothly transitioning the workpieces 11 to the next conveying component.

[0051] The main function of the pusher plate feeding mechanism 15 is to push the workpiece 11 in the hopper 2 towards the output trough 3. Through the action of the pusher plate feeding mechanism 15, the workpiece 11 can smoothly move from the hopper 2 to the output trough 3, thus initiating the subsequent conveying process. In this embodiment, the pusher plate feeding machine 1 can use existing equipment to connect the output trough 3 with the conveying assembly.

[0052] The push plate feeding mechanism 15 pushes the workpiece 11 in the hopper 2 to move towards the output trough 3. After the workpiece 11 reaches the output trough 3, it slides into the receiving port of the conveying component connected to it by gravity, relying on the inclined setting of the output trough 3, thereby connecting the workpiece 11 to a series of processes such as conveying, transferring and pressing in the whole system.

[0053] The above description is merely a preferred embodiment of this utility model and is not intended to limit the utility model. Various modifications and variations can be made to this utility model by those skilled in the art. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this utility model should be included within the protection scope of this utility model.

Claims

1. A workpiece pressing system, characterized in that, include: The pusher feeder is equipped with a hopper and an output trough. The hopper is used to hold the workpieces to be pressed, and the output trough receives the workpieces output from the hopper. The conveying assembly includes two parallel conveyor belts. One end of the conveyor belt is equipped with a receiving trough, and the other end is equipped with a stop plate. The receiving trough is equipped with a receiving port and a guide channel. The receiving port connects to the output trough. The two conveyor belts are connected to the receiving port through corresponding guide channels. The receiving port is equipped with a push rod. The push rod acts on the workpieces passing through the receiving port to adjust the workpieces to alternately enter the two conveyor belts. The transfer robot has a gripper at its end effector. The gripper includes two sets of grippers spaced apart. The spacing between the gripping parts of the two sets of grippers matches the spacing between two parallel conveyor belts, and is used to grip the workpieces carried on the two conveyor belts. The hydraulic press has multiple pressurization stations, and the spacing between adjacent pressurization stations matches the spacing between the two sets of grippers on the fixture.

2. The workpiece pressing system as described in claim 1, characterized in that, The output slot is arranged at an angle, with the lower end of the output slot connected to the material receiving port.

3. The workpiece pressing system as described in claim 2, characterized in that, The pusher plate feeder also includes a pusher plate feeding mechanism, and the output slot is located at the top output end of the pusher plate feeding mechanism.

4. The workpiece pressing system as described in claim 1, characterized in that, The conveyor belt is provided with baffles on both sides. The baffles and the top conveyor surface of the conveyor belt form a conveying trough. One end of the conveying trough is connected to the guide channel, and the other end is provided with a stop plate to prevent the workpiece in the conveying trough from falling out.

5. The workpiece pressing system as described in claim 1 or 4, characterized in that, The receiving trough includes a bottom plate and side plates, with two spaced-apart side plates combined with the bottom plate to form a guide channel.

6. The workpiece pressing system as described in claim 5, characterized in that, One conveyor belt of the conveying assembly is connected to the receiving port through the first guide channel, and the other conveyor belt is connected to the receiving port through the second guide channel. The pusher is provided with a pusher block at the end of the pusher. The pusher block can avoid or push the workpiece in the receiving port so that the workpiece enters the first guide channel or the second guide channel.

7. The workpiece pressing system as described in claim 1, characterized in that, The transfer robot also includes a robotic arm, with grippers mounted at the end of the robotic arm.

8. The workpiece pressing system as described in claim 1, characterized in that, The hydraulic press has a feeding chute on the side near the transfer robot to receive and unload the pressurized workpiece.

9. The workpiece pressing system as described in claim 8, characterized in that, The multiple pressing stations are divided into two groups of two, and the two workpieces held by the fixture are loaded onto one of the pressing stations.

10. The workpiece pressing system as described in claim 1, 8, or 9, characterized in that, The pressing station is equipped with a discharge rod on the side away from the transfer robot. The end of the discharge rod can extend and retract relative to the pressing station to push the workpiece out of or out of the pressing station.

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