Finished graphite electrode diameter measuring device

Abstract

The utility model discloses a finished graphite electrode diameter measuring device which comprises a support, the support is arranged on a base, an air cylinder and a pull-down frame are arranged on the support, a balance weight disc is arranged at the telescopic end of the air cylinder, a pull rope encoder is arranged on the pull-down frame, the balance weight disc is connected with the pull rope end of the pull rope encoder, and a trigger rod is arranged on the upper end face of the balance weight disc. The outer side of the fixed end of the cylinder is connected with a proximity switch through a connecting rod, an electrode stand is arranged on the base and located on the cylinder side, and a graphite electrode to be measured is arranged on the electrode stand. According to the utility model, the measured length is accurate and stable, manual measurement and recording are not needed, the manual workload is reduced, and the working efficiency is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to a measuring device, in particular to a finished product graphite electrode diameter measuring device. BACKGROUND

[0002] Graphite electrode refers to the petroleum coke, pitch coke as aggregate, coal tar pitch as binder, after raw material calcination, crushing, powder, batching, mixing, shaping, baking, impregnation, graphitization and mechanical processing and is made to a kind of high-temperature-resistant graphite conductive material, the appearance size needs to be detected and recorded after graphite electrode is processed into shape, in order to screen finished product graphite electrode, workload is large when adopting manual measurement, data record is complicated, and work efficiency is low. UTILITY MODEL CONTENT

[0003] The utility model solves the technical problems that: overcome the prior art problems, provide a kind of finished product graphite electrode diameter measuring device that can not manually measure and record graphite electrode diameter.

[0004] To solve the above technical problems, a technical scheme provided by the utility model is:

[0005] A kind of finished product graphite electrode diameter measuring device, including support, the support is set on base, the support is provided with pneumatic cylinder and pull-down frame, the telescopic end of the pneumatic cylinder is provided with counterweight disc, the pull-down frame is provided with pull rope encoder, the pull rope end of the counterweight disc is connected with the pull rope encoder, the upper end surface of the counterweight disc is provided with trigger rod, the outer side of the fixed end of the pneumatic cylinder is connected with proximity switch by connecting rod, the base is provided with electrode holder at the position of the side of the pneumatic cylinder, the electrode holder is provided with the graphite electrode to be measured.

[0006] Further, the support includes support rod provided on the base and cantilever rod provided on the support rod, the support rod and the cantilever rod are connected in L type, the side of the cantilever rod away from the support rod is provided with the pneumatic cylinder, the telescopic end of the pneumatic cylinder extends to the base direction.

[0007] Further, the height of the pull-down frame matches the length of the fixed end of the pneumatic cylinder, the pull rope encoder is provided on the pull-down frame close to the counterweight disc end, one end of the pull rope encoder is connected with the counterweight disc through the pull rope end, and the other end is connected with external PLC controller by wireless or wired.

[0008] The pneumatic cylinder is one-way pneumatic cylinder, when retracting back, it is upward, and the air pressure of itself is utilized; when extending outward, it is downward, and the gravity of counterweight disc itself is utilized.

[0009] The proximity switch is in the same vertical line with the trigger rod, and the upper end surface of the trigger rod can be in contact with the proximity switch when the trigger rod rises to the upper limit position of the cylinder, the proximity switch is triggered to act, and the cylinder stops rising.

[0010] The upper limit position of the cylinder movement refers to that in the process of the cylinder rising, the trigger rod is in contact with the proximity switch, the proximity switch is triggered to act, the proximity switch transmits the signal to the external PLC controller, the PLC controller controls the cylinder to stop rising, and at this time, the upper limit position of the cylinder movement is reached.

[0011] The upper end surface of the electrode holder and the upper limit position of the cylinder movement are a fixed value, as a standard size.

[0012] The pull rope of the pull rope encoder is connected with the weight disc, the weight disc falls into contact with the graphite electrode, and at this time, the length displayed by the pull rope encoder is the distance between the upper end surface of the graphite electrode and the upper limit position of the cylinder, which is referred to as a falling distance.

[0013] The fixed value minus the falling distance is the diameter of the graphite electrode.

[0014] When the weight disc falls into complete contact with the graphite electrode, the pull rope encoder stops rotating, at this time, the pull rope encoder transmits a signal to the external PLC controller, the PLC controller receives the signal, collects the length data of the pull rope encoder, obtains the diameter of the graphite electrode, and controls the cylinder to retract after measurement is completed.

[0015] The PLC controller transmits the obtained diameter result to the computer by wireless or wired transmission, and saves the diameter result in the computer.

[0016] The utility model discloses the beneficial effect is:

[0017] The utility model discloses the beneficial effect is:

[0018] In order to make the above and other purposes, features and advantages of the utility model more obvious and easy to understand, the following preferred embodiments are taken, and the accompanying drawings are taken, and the detailed description is as follows. BRIEF DESCRIPTION OF DRAWINGS

[0019] In order to more clearly illustrate the technical solutions of the present application or the prior art, the following will briefly introduce the drawings needed in the embodiment description. Obviously, the drawings in the following description are only part of the present application, and other drawings can also be obtained by those skilled in the art without creative effort.

[0020] Figure 1 The present application is a structural schematic diagram.

[0021] Figure 2 The present application is Figure 1 A part A in the figure is an enlarged view.

[0022] In the figure, 1 is a base, 2 is a support rod, 3 is a cantilever rod, 4 is a one-way cylinder, 5 is a counterweight disc, 6 is a pull-down frame, 7 is a pull rope encoder, 8 is a trigger rod, 9 is a connecting rod, 10 is a proximity switch, 11 is an electrode frame, and 12 is a graphite electrode. DETAILED DESCRIPTION

[0023] The embodiments of the present application will be described in more detail below with reference to the drawings. Although some embodiments of the present application are shown in the drawings, it should be understood that the present application can be implemented in various forms, and should not be interpreted as being limited to the embodiments described herein. Rather, these embodiments are provided to more fully and completely understand the present application. It should be understood that the drawings and embodiments of the present application are only for illustrative purposes, and are not intended to limit the scope of protection of the present application.

[0024] In the present application, unless otherwise explicitly specified and limited, the terms "mounting", "setting", "connecting", "fixing", "threading" and the like should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or it can be integrated; it can be mechanically connected, or it can be directly connected, or it can be indirectly connected through an intermediate medium. For those skilled in the art, the specific meanings of the above terms in the present application can be understood according to the specific circumstances.

[0025] The names of the messages or information exchanged between the plurality of devices in the embodiment of the present application are only for illustrative purposes, and are not intended to limit the scope of these messages or information.

[0026] Embodiment: as Figures 1-2 shown,

[0027] A finished graphite electrode diameter measuring device, comprising a support, the support comprising a support rod 2 arranged on a base 1 and a cantilever rod 3 arranged on the support rod 2, the support rod 2 and the cantilever rod 3 being connected in an L shape.

[0028] The cantilever rod 3 is provided with a one-way cylinder 4 on the side away from the support rod 2, the fixed end of the one-way cylinder 4 is fixedly connected with the cantilever rod 3, the telescopic end of the one-way cylinder 4 extends to the base 1, and the telescopic end of the one-way cylinder 4 is further provided with a counterweight disc 5.

[0029] The cantilever rod 3 is further provided with a pull-down frame 6 on the lower end surface, the height of the pull-down frame 6 matches the length of the fixed end of the one-way cylinder 4, the pull-down frame 6 is provided with a pull rope encoder 7 near the end of the counterweight disc 5, one end of the pull rope encoder 7 is connected with the counterweight disc 5 through a pull rope, and the other end is connected with an external PLC controller through wireless or wired connection.

[0030] The counterweight disc 5 is provided with a trigger rod 8 on the upper end surface, the fixed end of the one-way cylinder 4 is provided with a connecting rod 9 on the outer end away from the cantilever rod 3, and the connecting rod 9 is connected with a proximity switch 10.

[0031] The proximity switch 10 and the trigger rod 8 are on the same vertical line, when the trigger rod 8 rises to the upper limit position of the one-way cylinder 4 along with the counterweight disc 5, the upper end surface of the trigger rod 8 can just contact the proximity switch 10, the trigger proximity switch 10 is actuated, and the one-way cylinder 4 stops rising.

[0032] The base 1 is provided with an electrode frame 11 at a position on the side of the one-way cylinder 4, and the electrode frame 11 is provided with a graphite electrode 12 to be measured.

[0033] The upper end surface of the electrode frame 11 to the upper limit position of the movement of the one-way cylinder 4 is a fixed value, which is a standard size.

[0034] The upper limit position of the movement of the one-way cylinder 4 refers to that, in the process of the one-way cylinder 4 rising, the trigger rod 8 contacts the proximity switch 10, the trigger proximity switch 10 is actuated, the proximity switch 10 transmits this signal to the external PLC controller, the PLC controller controls the one-way cylinder 4 to stop rising, and at this time, it is the upper limit position of the movement of the one-way cylinder 4.

[0035] The pull rope of the pull rope encoder 7 is connected with the counterweight disc 5, the counterweight disc 5 falls and contacts the graphite electrode 12, at this time, the length displayed by the pull rope encoder 7 is the distance between the upper end surface of the graphite electrode 12 and the upper limit position of the one-way cylinder 4, which is simply referred to as the falling distance.

[0036] The fixed value minus the falling distance is the diameter of the graphite electrode 12.

[0037] When measuring, the graphite electrode 12 to be measured is placed on the electrode holder 11, the one-way air cylinder 4 switch is turned on, the telescopic end of the one-way air cylinder 4 freely falls under the gravity of the counterweight disc 5, when the counterweight disc 5 and the graphite electrode 12 are fully contacted, the inside of the pull rope encoder 7 no longer rotates, at this time the pull rope encoder 7 transmits a signal to the external PLC controller, after receiving the signal, the PLC controller collects the length data of the pull rope on the pull rope encoder 7, obtains the diameter of the graphite electrode 12, and transmits the obtained diameter result of the graphite electrode 12 to the computer for storage, after the measurement is completed, the one-way air cylinder 4 is retracted, the measured length is accurate and stable, manual measurement and recording are not needed, the artificial workload is reduced, and the work efficiency is improved.

[0038] It should be noted that the above are only the preferred embodiments of the present application and the technical principles applied. Those skilled in the art will understand that the present application is not limited to the specific embodiments herein, and those skilled in the art can make various obvious changes, readjustments and substitutions without departing from the protection scope of the present application. Therefore, although the present application has been described in more detail through the above embodiments, the present application is not limited to the above embodiments, and can include more other equivalent embodiments without departing from the concept of the present application, and the scope of the present application is determined by the scope of the appended claims.

Claims

1. A finished graphite electrode diameter measuring device comprising a support, characterized by: The support is arranged on the base, a cylinder and a pull-down frame are arranged on the support, a counterweight disc is arranged on the telescopic end of the cylinder, a pull rope encoder is arranged on the pull-down frame, the counterweight disc is connected with the pull rope end of the pull rope encoder, a trigger lever is arranged on the upper end surface of the counterweight disc, a proximity switch is connected with the fixed end of the cylinder through a connecting rod, and an electrode frame is arranged on the base at the position of the cylinder.

2. The finished graphite electrode diameter measuring device according to claim 1, characterized by: The support includes a support rod arranged on the base and a cantilever rod arranged on the support rod, the cantilever rod is provided with the cylinder on the side away from the support rod, and the telescopic end of the cylinder extends to the base.

3. The finished graphite electrode diameter measuring device according to claim 2, characterized in that: The height of the pull-down frame matches the length of the fixed end of the cylinder, the pull rope encoder is arranged on the pull-down frame close to the counterweight disc end, one end of the pull rope encoder is connected with the counterweight disc through the pull rope end, and the other end is connected with the external PLC controller through wireless or wired connection.

4. The finished graphite electrode diameter measuring device according to claim 3, characterized in that: The cylinder is a one-way cylinder.

5. The finished graphite electrode diameter measuring device according to claim 4, characterized in that: The proximity switch is on the same vertical line with the trigger lever, when the trigger lever rises to the upper limit position of the cylinder along with the counterweight disc, the upper end surface of the trigger lever can be in contact with the proximity switch to trigger the action of the proximity switch, and the one-way cylinder stops rising.

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