Auxiliary device for hoisting graphite crucible

Abstract

An auxiliary device for hoisting a graphite crucible relates to the technical field of graphite crucible hoisting assistance, and comprises a graphite crucible and a base, the base is in threaded connection with a screw rod, the top of the screw rod is rotatably connected with a hoisting ring through a rotary joint, and the top of the base is provided with a screw rod driving mechanism for driving the screw rod to rotate. The bottom of the base is provided with a fixing mechanism used for supporting the end opening position of the inner wall of the graphite crucible, the top of the graphite crucible is provided with a threaded hole, and the screw rod is in threaded connection with the threaded hole, the auxiliary device for hoisting the graphite crucible is convenient to connect and separate, the trouble that a worker needs to wind a hoisting rope on the graphite crucible is avoided, and the hoisting efficiency is improved. The device is simple in structure, convenient to operate, time-saving and labor-saving, and meanwhile, the trouble of burning out the lifting rope subsequently is avoided, so that consumables are saved, and the production cost is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of graphite crucible lifting auxiliary, in particular to an auxiliary device for lifting a graphite crucible. Background Art

[0002] Graphite crucible has good thermal conductivity and high temperature resistance, and is widely used in the smelting of alloy tool steel and the smelting of non-ferrous metals and their alloys. The existing graphite crucible is lifted by winding a lifting rope around it. After lifting it to the working area, the lifting rope is burned off, which is troublesome to operate and increases production costs. Utility Model Content

[0003] The technical problem to be solved by the utility model is to overcome the existing defects and provide an auxiliary device for lifting a graphite crucible, which is easy to connect and separate, avoiding the trouble of workers winding the lifting rope around the graphite crucible, and is easy to operate, saving time and effort. At the same time, it also avoids the trouble of burning the lifting rope later, thereby saving consumables, reducing production costs, and can effectively solve the problems in the background technology.

[0004] In order to achieve the purpose of the utility model, the utility model adopts the following technical solutions:

[0005] An auxiliary device for lifting a graphite crucible comprises a graphite crucible and a base, wherein a screw is threadedly connected to the base, and the top of the screw is rotatably connected to a lifting ring through a rotating joint, a screw driving mechanism for driving the screw to rotate is installed on the top of the base, and a fixing mechanism for supporting the port position of the inner wall of the graphite crucible is installed at the bottom of the base, a threaded hole is opened on the top of the graphite crucible, and the screw is threadedly connected to the threaded hole, and a power supply and a PLC controller are respectively installed on the top of the base, and the power supply is electrically connected to the PLC controller.

[0006] Furthermore, the fixing mechanism includes a support seat, a transmission seat and a guide groove, the guide groove is opened on the base, the transmission seat is slidably connected to the guide groove, and the support seat is fixed to the end of the bottom bracket of the transmission seat.

[0007] Furthermore, the fixing mechanism also includes a screw rod, which is rotatably mounted on the inner side of the guide groove and is threadedly connected to the transmission seat.

[0008] Furthermore, the fixing mechanism also includes a driven bevel gear, a driving bevel gear and a first stepper motor. The first stepper motor is installed at the bottom of the base, the driving bevel gear is fixed on the output shaft of the first stepper motor, the driven bevel gear is fixed on the inner end of the screw rod, and the driving bevel gear is meshed with the driven bevel gear teeth. The first stepper motor is electrically connected to the PLC controller.

[0009] Furthermore, the screw drive mechanism includes an electric push rod and a mounting seat, the electric push rod is installed on the top of the mounting seat, the telescopic end of the electric push rod is fixedly connected to the top of the base, and the electric push rod is electrically connected to the PLC controller.

[0010] Furthermore, the screw drive mechanism also includes a second stepper motor, a driving gear and a driven gear, the driven gear is sleeved and fixed on the screw, the second stepper motor is installed on the top of the mounting base, the driving gear is fixed on the output shaft of the second stepper motor, and the driving gear and the driven gear are meshed, and the second stepper motor is electrically connected to the PLC controller.

[0011] Compared with the prior art, the beneficial effect of the utility model is as follows: the auxiliary device for lifting the graphite crucible has the following advantages: the inner wall of the graphite crucible is first supported and fixed by a fixing mechanism, and then the screw is driven by a screw driving mechanism to be screwed in or out of the threaded hole, and then the graphite crucible is lifted to a preset area by a lifting ring, and its connection and separation are convenient, avoiding the trouble of workers winding the lifting rope around the graphite crucible, and the operation is convenient, saving time and effort. At the same time, it also avoids the trouble of subsequently burning the lifting rope, thereby saving consumables and reducing production costs. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;

[0013] Figure 2 It is a three-dimensional cross-sectional structural schematic diagram of the utility model;

[0014] Figure 3 It is a schematic diagram of the enlarged structure of point A of the utility model.

[0015] In the figure: 1 graphite crucible, 2 threaded hole, 3 screw drive mechanism, 31 electric push rod, 32 mounting seat, 33 second stepping motor, 34 driving gear, 35 driven gear, 4 fixing mechanism, 41 support seat, 42 screw rod, 43 transmission seat, 44 guide groove, 45 driven bevel gear, 46 driving bevel gear, 47 first stepping motor, 5 PLC controller, 6 power supply, 7 lifting ring, 8 rotary joint, 9 screw rod, 10 base. DETAILED DESCRIPTION

[0016] The present invention can be explained in detail through the following embodiments. The purpose of disclosing the present invention is to protect all technical improvements within the scope of the present invention.

[0017] See also Figure 1-3The present embodiment provides a technical solution: an auxiliary device for lifting a graphite crucible, comprising a graphite crucible 1 and a base 10, a screw 9 being threadedly connected to the base 10, a lifting ring 7 being rotatably connected to the top of the screw 9 via a rotary joint 8, a screw driving mechanism 3 for driving the screw 9 to rotate being installed on the top of the base 10, a fixing mechanism 4 for supporting the port position of the inner wall of the graphite crucible 1 being installed on the bottom of the base 10, a threaded hole 2 being provided on the top of the graphite crucible 1, the screw 9 being threadedly connected to the threaded hole 2, a power supply 6 and a PLC controller 5 being respectively installed on the top of the base 10, and the power supply 6 being electrically connected to the PLC controller 5.

[0018] The fixing mechanism 4 includes a support seat 41, a transmission seat 43 and a guide groove 44. The guide groove 44 is opened on the base 10. The transmission seat 43 is slidably connected to the guide groove 44. The support seat 41 is fixed to the bottom bracket end of the transmission seat 43. The fixing mechanism 4 also includes a screw rod 42. The screw rod 42 is rotatably installed on the inner side of the guide groove 44. The screw rod 42 is threadedly connected to the transmission seat 43. The fixing mechanism 4 also includes a driven bevel gear 45, an active bevel gear 46 and a first stepper motor 47. The first stepper motor 47 is installed at the bottom of the base 10. The active bevel gear 46 is fixed on the output shaft of the first stepper motor 47. The driven bevel gear 45 is fixed to the inner end of the screw rod 42, and the active bevel gear 46 is fixed to the output shaft of the first stepper motor 47. The first stepper motor 47 is meshed with the teeth of the driven bevel gear 45, and is electrically connected to the PLC controller 5. The lifting ring 7 is fixed by a lifting rope, and then the base 10 is lifted above the graphite crucible 1. Then, the output shaft of the first stepper motor 47 drives the active bevel gear 46 to rotate, and the active bevel gear 46 is meshed with the driven bevel gear 45 for transmission, and the driven bevel gear 45 drives the screw rod 42 to rotate, and the screw rod 42 and the transmission seat 43 are threadedly transmitted, and the transmission seat 43 moves along the guide groove 44, and the transmission seat 43 drives the support seat 41 to move, and the inner wall of the graphite crucible 1 is supported and fixed by the support seat 41, thereby ensuring that the screw driving mechanism 3 can drive the screw 9 smoothly.

[0019] The screw drive mechanism 3 includes an electric push rod 31 and a mounting seat 32. The electric push rod 31 is installed on the top of the mounting seat 32. The telescopic end of the electric push rod 31 is fixedly connected to the top of the base 10. The electric push rod 31 is electrically connected to the PLC controller 5. The screw drive mechanism 3 also includes a second stepper motor 33, a driving gear 34 and a driven gear 35. The driven gear 35 is sleeved and fixed on the screw 9. The second stepper motor 33 is installed on the top of the mounting seat 32. The driving gear 34 is fixed on the output shaft of the second stepper motor 33, and the driving gear 34 and the driven gear 35 are meshed. The second stepper motor 33 is electrically connected to the PLC controller 5. The output shaft of the second stepper motor 33 drives the driving gear 34 to rotate, and the driving gear 34 and the driven gear 35 are meshed for transmission. The driven gear 35 drives the screw The rod 9 rotates, and the screw 9 is screwed into the threaded hole 2, so as to be connected and fixed with the graphite crucible 1. During the process of screwing in or out, the telescopic end of the electric push rod 31 drives the mounting seat 32 to perform lifting movement, so that the driving gear 34 can be lifted and lowered following the lifting process of the driven gear 35. Then, the graphite crucible 1 can be lifted to the preset area through the lifting ring 7. Then, the screw driving mechanism 3 drives the screw 9 to reverse so that it withdraws from the threaded hole 2. Then, the support seat 41 returns to its original position, and the auxiliary device can be separated from the graphite crucible 1. The connection and separation are convenient, which avoids the trouble of workers winding the lifting rope around the graphite crucible 1. The operation is convenient, time-saving and labor-saving. At the same time, it also avoids the trouble of burning the lifting rope later, thereby saving consumables and reducing production costs.

[0020] The working principle of the auxiliary device for lifting a graphite crucible provided by the utility model is as follows: the lifting ring 7 is fixed by a lifting rope, and then the base 10 is lifted above the graphite crucible 1, and then the output shaft of the first stepper motor 47 drives the active bevel gear 46 to rotate, the active bevel gear 46 is meshed with the driven bevel gear 45 for transmission, the driven bevel gear 45 drives the screw rod 42 to rotate, the screw rod 42 and the transmission seat 43 are threadedly transmitted, the transmission seat 43 moves along the guide groove 44, the transmission seat 43 drives the support seat 41 to move, and the inner wall of the graphite crucible 1 is supported and fixed by the support seat 41, and then the output shaft of the second stepper motor 33 drives the active gear The wheel 34 rotates, the driving gear 34 and the driven gear 35 are meshed and transmitted, the driven gear 35 drives the screw 9 to rotate, and the screw 9 is screwed into the threaded hole 2, so as to be connected and fixed with the graphite crucible 1. During the process of screwing in or out, the telescopic end of the electric push rod 31 drives the mounting seat 32 to move up and down, so that the driving gear 34 can be lifted and down along with the lifting process of the driven gear 35, and then, the graphite crucible 1 can be lifted to the preset area through the lifting ring 7, and then, the screw driving mechanism 3 drives the screw 9 to reverse so that it withdraws from the threaded hole 2, and then, the support seat 41 returns to its original position, and the auxiliary device can be separated from the graphite crucible 1.

[0021] It is worth noting that the components disclosed in the above embodiments are all universal standard parts or components known to technical personnel in this field, and their structures and principles can be known to technical personnel through technical manuals or through conventional experimental methods. The PLC controller 5 is powered by an external power supply, and the model of the PLC controller 5 is KV-7000. When the screw 9 is rotating, the lifting ring 7 rotates relative to the screw 9 through the rotating joint 8.

[0022] The parts of the present invention that are not described in detail are prior art. Although the present invention is specifically demonstrated and introduced in conjunction with the preferred implementation scheme, there are many methods and ways to implement the technical solution. The above is only a preferred implementation scheme of the present invention. However, technical personnel in the relevant field should understand that various changes can be made to the present invention in form and details without departing from the spirit and scope of the present invention as defined in the attached claims, which are all within the scope of protection of the present invention.

Claims

1. An auxiliary device for lifting a graphite crucible, comprising a graphite crucible (1) and a base (10), characterized in that: A screw rod (9) is threadedly connected to the base (10), and the top of the screw rod (9) is rotatably connected to a hanging ring (7) via a rotating joint (8). A screw driving mechanism (3) for driving the screw rod (9) to rotate is installed on the top of the base (10), and a fixing mechanism (4) for supporting the position of the inner wall port of the graphite crucible (1) is installed at the bottom of the base (10). A threaded hole (2) is opened on the top of the graphite crucible (1), and the screw rod (9) is threadedly connected to the threaded hole (2). A power supply (6) and a PLC controller (5) are respectively installed on the top of the base (10), and the power supply (6) is electrically connected to the PLC controller (5).

2. The auxiliary device for lifting a graphite crucible according to claim 1, characterized in that: The fixing mechanism (4) comprises a support seat (41), a transmission seat (43) and a guide groove (44); the guide groove (44) is formed on the base (10); the transmission seat (43) is slidably connected to the guide groove (44); and the support seat (41) is fixed to the end of the bottom bracket of the transmission seat (43).

3. The auxiliary device for lifting a graphite crucible according to claim 2, characterized in that: The fixing mechanism (4) further comprises a screw rod (42), the screw rod (42) being rotatably mounted on the inner side of the guide groove (44), and the screw rod (42) being threadedly connected to the transmission seat (43).

4. The auxiliary device for lifting a graphite crucible according to claim 3, characterized in that: The fixing mechanism (4) further comprises a driven bevel gear (45), a driving bevel gear (46) and a first stepper motor (47), wherein the first stepper motor (47) is mounted on the bottom of the base (10), the driving bevel gear (46) is fixed on the output shaft of the first stepper motor (47), the driven bevel gear (45) is fixed on the inner end of the screw rod (42), and the driving bevel gear (46) and the driven bevel gear (45) are meshed with each other, and the first stepper motor (47) is electrically connected to the PLC controller (5).

5. The auxiliary device for lifting a graphite crucible according to claim 1, characterized in that: The screw drive mechanism (3) comprises an electric push rod (31) and a mounting seat (32), the electric push rod (31) being mounted on the top of the mounting seat (32), the telescopic end of the electric push rod (31) being fixedly connected to the top of the base (10), and the electric push rod (31) being electrically connected to a PLC controller (5).

6. The auxiliary device for hoisting a graphite crucible according to claim 5, characterized in that: The screw drive mechanism (3) further comprises a second stepping motor (33), a driving gear (34) and a driven gear (35); the driven gear (35) is sleeved and fixed on the screw (9); the second stepping motor (33) is mounted on the top of the mounting base (32); the driving gear (34) is fixed on the output shaft of the second stepping motor (33); and the driving gear (34) and the driven gear (35) are meshed with each other; the second stepping motor (33) is electrically connected to the PLC controller (5).

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