Automatic efficient detection device for isostatic pressing graphite

Abstract

The utility model discloses an isostatic pressing graphite automatic high-efficiency detection device, which comprises a controller, a pressure head, a pull pressure sensor, a first conveyor, a second conveyor and a roller conveyor, rollers are arranged on the roller conveyor at intervals, a displacement sensor positioned between two adjacent rollers is arranged on the roller conveyor, and the pressure head is connected with the first conveyor and the second conveyor. A first lifting plate is arranged below the roller conveyor, a first baffle extending upwards to the front portion of the roller conveyor is arranged at the front end of the first lifting plate, a second baffle extending upwards to the rear portion of the roller conveyor is arranged at the rear end of the first lifting plate, a portal frame is arranged on the roller conveyor, and a second lifting plate is arranged in the portal frame. A third lifting plate is arranged below the second lifting plate, a tension and pressure sensor is arranged at the bottom of the third lifting plate, a pressure head is arranged at the bottom of the tension and pressure sensor and located above a roller on the front side of a displacement sensor, automatic conveying of isostatic pressing graphite blocks and detection of the anti-pressure capacity are carried out, and the detection efficiency is improved.

Description

Technical Field

[0001] This utility model relates to the field of isostatic graphite testing, and in particular to an automatic and efficient testing device for isostatic graphite. Background Technology

[0002] During the production of isostatic graphite products, quality testing is required, such as testing the surface structural strength of the isostatic graphite blocks to ensure sufficient compressive strength.

[0003] The surface structural strength of isostatically pressed graphite blocks can be tested using a pressure testing machine. The isostatically pressed graphite blocks are fed into the pressure testing machine, and then removed after testing. Although this method can test the surface structural strength, it is cumbersome, inefficient, and not conducive to building an automated production and testing line for isostatically pressed graphite products. Therefore, improvements are needed. Utility Model Content

[0004] The purpose of this invention is to provide an automatic and efficient testing device for isostatic graphite, which automatically transports isostatic graphite blocks and tests their compressive strength, thereby improving the level of automation.

[0005] To achieve this objective, the present invention adopts the following technical solution:

[0006] An automatic and efficient detection device for isostatic graphite includes: a controller, a pressure head, a tension / compression sensor, a first conveyor, a second conveyor, and a roller conveyor. The roller conveyor is positioned between the first and second conveyors, with rollers spaced apart on it. A displacement sensor is installed on the roller conveyor between adjacent rollers. A first lifting plate is positioned below the roller conveyor, with a first baffle extending upwards to the front of the roller conveyor at its front end and a second baffle extending upwards to the rear of the roller conveyor at its rear end. A gantry frame is mounted on the roller conveyor, with the second lifting plate positioned within it. A third lifting plate is positioned below the second lifting plate, with studs symmetrically arranged on the third lifting plate, extending upwards through the second lifting plate. Each stud has a nut positioned above the second lifting plate and a spring positioned between the second and third lifting plates. The tension / compression sensor is positioned at the bottom of the third lifting plate, and the pressure head is positioned at the bottom of the tension / compression sensor and above the roller in front of the displacement sensor. The displacement sensor and the tension / compression sensor are connected to the controller for signal transmission.

[0007] The first and second conveyors are belt conveyors.

[0008] The displacement sensor is pointing upwards.

[0009] The first lifting plate is provided with a first lifting driving mechanism below, the gantry is provided with a second lifting driving mechanism connected with the second lifting plate, the controller is connected with the first lifting driving mechanism and the second lifting driving mechanism, and lifting control is performed.

[0010] The first lifting driving mechanism is a cylinder, and the second lifting driving mechanism is an oil cylinder or an electric telescopic rod.

[0011] The second lifting plate is provided with a guide column penetrating upward through the gantry.

[0012] The isostatic graphite block is placed on the first conveyor by the mechanical hand, is sent to the drum conveyor by the first conveyor, triggers the displacement sensor when passing above the displacement sensor, the controller controls the first lifting plate to drive the first baffle and the second baffle to rise, blocks the transfer of the isostatic graphite block on the drum conveyor to the second conveyor, and blocks the continuous conveying of the isostatic graphite block on the first conveyor to the drum conveyor, the third lifting plate is driven to descend by the second lifting plate, the pressure head is in contact with the top surface of the isostatic graphite block on the drum conveyor, a predetermined pressure is applied, and pressure detection is performed by the tension and pressure sensor, the problem of excessive pressure is avoided, the second lifting plate rises to reset when the pressure value reaches the predetermined pressure, the top surface of the isostatic graphite block has no obvious crack or damage, and the compression resistance is qualified, the first lifting plate drives the first baffle and the second baffle to descend, the drum conveyor transfers the detected isostatic graphite block to the second conveyor, the degree of automation is high, and the detection efficiency is improved. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 is a structural schematic view of the utility model;

[0014] Figure 2 is Figure 1 the structure schematic view of the pressure head descending for detection in DETAILED DESCRIPTION

[0015] The technical scheme of the utility model will be further illustrated below in combination with specific embodiments. Figures 1 to 2 The technical scheme of the utility model will be further illustrated below in combination with specific embodiments.

[0016] For example, Figure 1 and Figure 2The automatic and efficient testing device for isostatic graphite shown includes: a controller, a pressure head 19, a tension / compression sensor 18, a first conveyor 1, a second conveyor 2, and a roller conveyor 3. The roller conveyor 3 is positioned between the first conveyor 1 and the second conveyor 2. The first conveyor 1 and the second conveyor 2 are belt conveyors, which offer good stability. Isostatic graphite blocks are placed on the first conveyor 1 using a robotic arm and then conveyed to the roller conveyor 2 using the first conveyor 1. After testing, they are transferred to the second conveyor 2 for automatic conveying and testing.

[0017] Rollers 5 are spaced apart on the roller conveyor 3. The rollers 5 are linked by a chain and sprocket assembly and driven by a motor to achieve synchronous rotation. Displacement sensors 17 are installed on the roller conveyor 3 between adjacent rollers, with the displacement sensors 17 pointing upwards. Figure 2 As shown, the displacement sensor 17 is triggered when the isostatic graphite block passes above it.

[0018] A first lifting plate 11 is provided below the roller conveyor 3. The front end of the first lifting plate 11 is provided with a first baffle 7 extending upward to the front of the roller conveyor, and the rear end of the first lifting plate 11 is provided with a second baffle 6 extending upward to the rear of the roller conveyor 3. In this embodiment, a first lifting drive mechanism 4 is provided below the first lifting plate 11. The first lifting plate 11 is lifted and lowered by the extension and retraction of the first lifting drive mechanism 4. After the isostatic graphite block triggers the displacement sensor 17, the first lifting plate 11 drives the first baffle 7 and the second baffle 6 to rise, blocking the transfer of isostatic graphite blocks from the roller conveyor 3 to the second conveyor 2, and blocking the continued conveying of isostatic graphite blocks from the first conveyor 1 to the roller conveyor 3, which facilitates automatic detection.

[0019] like Figure 1 As shown, a gantry frame 8 is provided on the roller conveyor 3, and a second lifting plate 12 is provided in the gantry frame 8. In this embodiment, a second lifting drive mechanism 14 connected to the second lifting plate 12 is provided on the gantry frame 8. The controller is connected to the first lifting drive mechanism 4 and the second lifting drive mechanism 14 to perform lifting control.

[0020] In this embodiment, the first lifting drive mechanism 4 is a pneumatic cylinder, and the second lifting drive mechanism 14 is a hydraulic cylinder or an electric telescopic rod. The controller can be a PLC for automatic lifting control. The second lifting plate 12 is provided with guide columns 16 that extend upward through the gantry frame 8 to guide the lifting of the second lifting plate 12 and ensure stability.

[0021] A third lifting plate 13 is provided below the second lifting plate 12. The third lifting plate 13 is symmetrically provided with studs 10 that penetrate the second lifting plate 12 upwards, so as to guide the lifting of the third lifting plate 13 relative to the second lifting plate 12.

[0022] like Figure 1 As shown, a nut 9 is provided on the stud 10 above the second lifting plate 12, and a spring 15 is provided between the second lifting plate 12 and the third lifting plate 13. The nut 9 is used to limit the downward movement of the stud 10 and the third lifting plate 13 relative to the second lifting plate 12, and the spring 15 is used to provide elasticity to the third lifting plate 13 when the second lifting plate 12 descends, and can also buffer the third lifting plate 13 to avoid impacting the isostatic graphite block below.

[0023] The tensile and compressive pressure sensor 18 is installed at the bottom of the third lifting plate 13, and the pressure head 19 is installed at the bottom of the tensile and compressive pressure sensor 18 and above the roller in front of the displacement sensor 17. The displacement sensor 17 and the tensile and compressive pressure sensor 18 are respectively connected to the controller to send signals, so that the controller can obtain the displacement signal of the isostatic graphite block and the pressure signal of the pressure head 19 acting on the isostatic graphite block, avoiding the problem of excessive pressure. After the pressure value reaches the predetermined pressure, the controller controls the second lifting drive mechanism 14 to retract, and the second lifting plate 12 rises and resets. The isostatic graphite block is qualified in terms of compressive strength if there are no obvious cracks or damages on the top surface. Then, the first lifting plate 11 drives the first baffle 7 and the second baffle 6 to descend. The roller conveyor 3 transfers the tested isostatic graphite block to the second conveyor 2 for continued conveying and subsequent testing. The automation level is high and the testing efficiency is improved.

[0024] The above description is only a preferred embodiment of this utility model. For those skilled in the art, there will be changes in the specific implementation method and application scope based on the idea of ​​this utility model. The content of this specification should not be construed as a limitation of this utility model.

Claims

1. An automatic high-efficiency detection device for isostatic pressed graphite, characterized in that, Include: Controller, pressure head, tensile and compressive force sensor, first conveyor, second conveyor and drum conveyor, the drum conveyor is arranged between the first conveyor and the second conveyor, the drum conveyor is provided with drums arranged at intervals, the drum conveyor is provided with displacement sensors between adjacent two drums, the first lifting plate is arranged below the drum conveyor, the first end of the first lifting plate is provided with a first baffle extending upward to the front of the drum conveyor, the second end of the first lifting plate is provided with a second baffle extending upward to the rear of the drum conveyor, the gantry is arranged on the drum conveyor, the second lifting plate is arranged in the gantry, the third lifting plate is arranged below the second lifting plate, the threaded studs are symmetrically arranged on the third lifting plate and extend upward through the second lifting plate, the nuts are arranged above the second lifting plate on the threaded studs, and the springs are arranged between the second lifting plate and the third lifting plate, the tensile and compressive force sensor is arranged at the bottom of the third lifting plate, the pressure head is arranged at the bottom of the tensile and compressive force sensor and above the drum on the front side of the displacement sensor, and the displacement sensor and the tensile and compressive force sensor are respectively connected with the controller for signal transmission.

2. The automatic high-efficiency detection device for isostatic graphite according to claim 1, characterized in that, The first conveyor and the second conveyor are belt conveyors.

3. The automatic high-efficiency detection device for isostatic graphite according to claim 1, characterized in that, The displacement sensor points upward.

4. The automatic high-efficiency detection device for isostatic graphite according to claim 1, characterized in that, The first lifting plate is provided below the first lifting drive mechanism, the gantry is provided with the second lifting drive mechanism connected with the second lifting plate, and the controller is connected with the first lifting drive mechanism and the second lifting drive mechanism for lifting control.

5. The automatic high-efficiency detection device for isostatic graphite according to claim 4, characterized in that, The first lifting drive mechanism is a pneumatic cylinder, and the second lifting drive mechanism is an oil cylinder or an electric telescopic rod.

6. The automatic high-efficiency detection device for isostatic graphite according to claim 1, characterized in that, The second lifting plate is provided with guide columns extending upward through the gantry.

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