CN211060664U - Furnace cover rotary switch control device of medium-frequency induction melting furnace - Google Patents

Abstract

The utility model discloses a bell rotary switch controlling means of intermediate frequency induction melting furnace, include bell, stand, uide bushing and the pneumatic cylinder that suits with the furnace body, link to each other with linking bridge between bell and the stand, the stand lower extreme is equipped with in lift axle and the cooperation of lift axle lower extreme inserts the uide bushing, all be equipped with two guide ways on the uide bushing, the guide post that links to each other with the lift axle is installed in the cooperation on the uide bushing, and the cooperation of guide post both ends is installed in two guide ways and can be followed two guide way rotations and rise or descend, the uide bushing lower extreme links to each other with the pneumatic cylinder. The utility model has the advantages of automatic control bell rotary switch, stable work, simple operation, etc.

Description

Furnace cover rotary switch control device of medium-frequency induction melting furnace

[ technical field ] A method for producing a semiconductor device

The utility model relates to a technical field of intermediate frequency induction melting furnace controlling means, especially a bell rotary switch controlling means's of intermediate frequency induction melting furnace technical field.

[ background of the invention ]

Intermediate frequency induction melting furnace is often used for melting of metal, and intermediate frequency induction melting furnace inside is equipped with induction coil, utilizes intermediate frequency power to establish intermediate frequency magnetic field, makes the inside induction vortex that produces of magnetic material and generates heat, reaches heating material's purpose, and general melting is mostly the metal solid. In some melting processes, because the melting points of metal materials are different, in order to ensure the quality of a molten product, people can perform melting operation on the metals with different melting points in a batch heating mode, and the opening and closing operation of a furnace cover is needed when the metals are added into the furnace and the heated and melted metals are taken out. The bell of current intermediate frequency induction melting furnace generally carries out the on-off operation through the manual work, and the operation is comparatively loaded down with trivial details, and the higher workman of messenger of furnace body temperature has certain potential safety hazard during the operation.

[ summary of the invention ]

The utility model aims at solving the problem in the prior art, providing a bell rotary switch controlling means of intermediate frequency induction melting furnace, can automatic control bell rotary switch, work is steady, easy and simple to handle.

In order to realize the above object, the utility model provides a bell rotary switch controlling means of intermediate frequency induction melting furnace, include bell, stand, uide bushing and the pneumatic cylinder that suits with the furnace body, link to each other with linking bridge between bell and the stand, the stand lower extreme is equipped with in lift axle and the cooperation of lift axle lower extreme inserts the uide bushing, all be equipped with two guide ways on the uide bushing, the guide post that links to each other with the lift axle is installed in the cooperation on the uide bushing, and the cooperation of guide post both ends is installed and can be followed two guide way rotations and rise or descend in two guide ways, the uide bushing lower extreme links to each other with the pneumatic cylinder.

Preferably, a piston rod of the hydraulic cylinder props against a guide post, an oil inlet and an oil outlet on the hydraulic cylinder are connected with an oil tank through oil pipes, and the guide post is connected with the lower end of the lifting shaft.

Preferably, the furnace body and the guide sleeve are both fixedly arranged on the support frame.

Preferably, the two guide grooves are respectively positioned on the front and the back of the guide sleeve, the guide groove on the front of the guide sleeve 3 is in an arc shape with a lower left and a higher right, and the guide groove on the back of the guide sleeve is in an arc shape with a higher left and a lower right.

Preferably, the rotation angle of the furnace cover ranges from 0 ° to 92 °.

The utility model has the advantages that: the utility model completes the rotary opening or closing of the furnace cover after the guide post is controlled by the hydraulic drive to rotate and rise or fall along the two arc-shaped guide grooves, thereby realizing the automatic control of the rotary switch of the furnace cover; the device convenient operation, whole work is steady safe, and the on-off control of bell makes things convenient for the staff to reinforced or get the material in the furnace body.

The features and advantages of the present invention will be described in detail by embodiments with reference to the accompanying drawings.

[ description of the drawings ]

Fig. 1 is a schematic structural diagram of a furnace cover rotary switch control device of a medium frequency induction melting furnace of the present invention;

fig. 2 is a schematic view of a guide sleeve of a furnace cover rotary switch control device of the medium-frequency induction melting furnace of the present invention.

In the figure: 1-furnace cover, 2-upright post, 3-guide sleeve, 4-furnace body, 5-hydraulic cylinder, 6-support frame, 7-oil tank, 21-connecting support, 22-lifting shaft, 31-guide groove and 32-guide post.

[ detailed description ] embodiments

Referring to fig. 1 and 2, the utility model relates to a bell rotary switch control device of a medium frequency induction melting furnace, including a bell 1 adapted to a furnace body 4, a column 2, a guide sleeve 3 and a hydraulic cylinder 5, the bell 1 is connected with the column 2 by a connecting bracket 21, the lower end of the column 2 is provided with a lifting shaft 22, the lower end of the lifting shaft 22 is inserted into the guide sleeve 3 in a matching way, the guide sleeve 3 is provided with two guide grooves 31, the guide sleeve 3 is provided with a guide post 32 connected with the lifting shaft 22 in a matching way, two ends of the guide post 32 are arranged in the two guide grooves 31 in a matching way and can rotate up or down along the two guide grooves 31, the lower end of the guide sleeve 3 is connected with the hydraulic cylinder 5;

a piston rod on the hydraulic cylinder 5 is inserted into the guide sleeve 3 and props against the guide post 32, an oil inlet and an oil outlet on the hydraulic cylinder 5 are both connected with the oil tank 7 by an oil pipe 51, and the guide post 32 is connected with the lower end of the lifting shaft 22;

the furnace body 4 and the guide sleeve 3 are both fixedly arranged on the support frame 6;

the two guide grooves 31 are respectively positioned on the front side and the back side of the guide sleeve 3, the guide groove 31 on the front side of the guide sleeve 3 is in an arc shape with a lower left and a higher right, the guide groove 31 on the back side of the guide sleeve 3 is in an arc shape with a higher left and a lower right, and the guide column 32 is always kept in a horizontal state in the rotating rising or falling process along the two guide grooves 31;

the rotating angle range of the furnace cover 1 is 0-92 degrees.

The utility model discloses the working process:

the utility model relates to a bell rotary switch controlling means of intermediate frequency induction melting furnace in the course of the work, when bell 1 is opened to needs, start pneumatic cylinder 5 and forward fuel feeding make the piston rod upward movement, the piston just upwards moves to back top guide post 32, thereby guide post 32 drives lift shaft 22 synchronous revolution to rise along two curved guide ways 31 rotatory rises, lift shaft 22 rotatory in-process drives stand 2, linking bridge 21, bell 1 synchronous revolution makes bell 1 break away from furnace body 4 and realizes opening of bell 1, when bell 1 needs to close, pneumatic cylinder reverse fuel feeding 5 makes the piston rod downstream, thereby guide post 32 rotates to descend along two curved guide ways 31 and drives lift shaft 22 synchronous revolution and descend under the action of gravity after guide post 32 loses the supporting force, lift shaft 22 rotates in-process and drives stand 2, The connecting support 21 and the furnace cover 1 synchronously rotate to enable the furnace cover 1 to be close to the furnace body 4, and finally the furnace cover 1 is closed, wherein the rotating and lifting stroke of the guide column 32 along the guide groove 31 is equal to the stroke of a rotary switch of the furnace cover 1, and after the furnace cover 1 is opened, a worker can conveniently feed materials into the furnace body 4 or take materials.

The utility model relates to a furnace cover rotary switch control device of a medium frequency induction melting furnace, which controls a guide post 32 to rotate along two arc-shaped guide grooves 31 to rise or fall through hydraulic drive to complete the rotary opening or closing of a furnace cover 1, thereby realizing the automatic control of the rotary switch of the furnace cover 1; the device convenient operation, whole work is steady safe, and the on-off control of bell 1 makes things convenient for the staff to reinforced or get the material in the furnace body.

The above-mentioned embodiment is right the utility model discloses an explanation, it is not right the utility model discloses a limited, any right the scheme after the simple transform of the utility model all belongs to the protection scope of the utility model.

Claims (5)

1. The utility model provides a bell rotary switch controlling means of intermediate frequency induction melting furnace which characterized in that: including bell (1), stand (2), uide bushing (3) and pneumatic cylinder (5) that suit with furnace body (4), link to each other with linking bridge (21) between bell (1) and stand (2), stand (2) lower extreme is equipped with lift axle (22) and lift axle (22) lower extreme cooperation and inserts in uide bushing (3), all be equipped with two guide ways (31) on uide bushing (3), guide post (32) that link to each other with lift axle (22) are installed in the cooperation on uide bushing (3), and guide post (32) both ends cooperation is installed in two guide ways (31) and can follow two guide ways (31) and rotate and rise or descend, uide bushing (3) lower extreme links to each other with pneumatic cylinder (5).

2. The furnace cover rotary switch control device of the intermediate frequency induction melting furnace according to claim 1, characterized in that: a piston rod of the hydraulic cylinder (5) props against the guide post (32), oil inlets and oil outlets on the hydraulic cylinder (5) are connected with the oil tank (7) through oil pipes (51), and the guide post (32) is connected with the lower end of the lifting shaft (22).

3. The furnace cover rotary switch control device of the intermediate frequency induction melting furnace according to claim 1, characterized in that: the furnace body (4) and the guide sleeve (3) are both fixedly arranged on the support frame (6).

4. The furnace cover rotary switch control device of the intermediate frequency induction melting furnace according to claim 1, characterized in that: two guide way (31) be located the front and the back of uide bushing (3) respectively, the guide way (31) on the front of uide bushing (3) are the arc shape of low height on the left side, guide way (31) at the uide bushing (3) back are the arc shape of high low height on the right side.

5. The furnace cover rotary switch control device of the medium frequency induction melting furnace as defined in any one of claims 1 to 4, wherein: the rotating angle range of the furnace cover (1) is 0-92 degrees.

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