Demoulding device for nozzle brick

Abstract

The utility model discloses a demoulding device for a nozzle brick, which relates to the technical field of nozzle bricks and comprises a platform, a stand column fixedly arranged at the center of the platform, a lower rotating disc rotationally arranged on the stand column and abutted against the platform, a sleeve fixedly arranged on the lower rotating disc, and an upper rotating disc rotationally arranged on the stand column and fixedly connected with the sleeve. A plurality of first openings are evenly formed in the lower rotating disc, a lower die plate is detachably connected into each first opening, a connecting rod is slidably connected to the position, over each first opening, in the upper rotating disc, and an upper die head is rotationally connected to the bottom of each connecting rod. A plurality of different lower die plates can be installed by arranging the first openings, a plurality of upper die heads can be installed by arranging the connecting rods, nozzle bricks of different sizes can be matched, the needed lower die plates and the needed upper die heads can be rapidly rotated to the position below the telescopic rod by rotating the lower rotating disc, and the operation is convenient. And rapid switching of the lower die plate and the upper die head is achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of nozzle bricks, in particular to a demoulding device for nozzle bricks. Background Art

[0002] The nozzle brick refers to the refractory steel outlet embedded in the base brick at the bottom of the steel ladle. The nozzle brick needs to be demoulded during production. In order to reduce the labor intensity of workers, demoulding equipment is usually used;

[0003] For example, in the utility model patent with the announcement number CN204430256U, a demoulding device for a tundish nozzle seat brick is disclosed, which comprises: a track; a gantry, which is movable along the track between a working position and a non-working position; a pneumatic device, which is installed on the gantry, and the pneumatic device comprises a cylinder and a piston, and the piston is arranged to be movable between a recovery position and a demoulding position, and when the gantry is located at the working position, the axis of the piston is aligned with the axis of the demoulding core of the tundish nozzle seat brick to be demoulded so that the piston can remove the demoulding core when moving from the recovery position to the demoulding position, and when the gantry is located at the non-working position, the piston is located at the recovery position;

[0004] However, the mold core sizes of nozzle bricks of different sizes are also different. When demolding nozzle bricks of different sizes, the lower mold plate and the upper mold head of the corresponding size need to be replaced. The utility model is not convenient for replacing the lower mold plate and the upper mold head, and the use effect is not good. Utility Model Content

[0005] In view of the deficiencies of the prior art, the utility model provides a demoulding device for nozzle bricks, which solves the technical problem that the prior device is inconvenient to replace the lower mold plate and the upper mold head.

[0006] To achieve the above purpose, the utility model is implemented through the following technical solutions: a demoulding device for nozzle bricks, comprising a platform, a column is fixedly arranged at the center of the platform, a lower turntable abutting the platform is rotatably arranged on the column, a sleeve is fixedly arranged on the lower turntable, an upper turntable fixedly connected to the sleeve is rotatably arranged on the column, a plurality of openings 1 are evenly opened in the lower turntable, each of the openings 1 is detachably connected to the lower template, a connecting rod is slidably connected in the upper turntable directly above each opening 1, an upper die head is screwed on the bottom of the connecting rod, a telescopic rod is fixedly arranged on one side of the top of the column, the telescopic end of the telescopic rod can abut the top of the connecting rod, and the platform is provided with an opening 2 corresponding to the opening 1.

[0007] Preferably, a convex eave is provided on the top of the connecting rod, and a spring is mounted on the outer side of the connecting rod, and two ends of the spring are respectively in contact with the convex eave and the upper turntable.

[0008] Preferably, a positioning strip is fixedly connected to the lower template via a plurality of mounting rods.

[0009] Preferably, a guide hopper is fixedly provided at the bottom of the platform below the second opening.

[0010] Preferably, a material receiving trough is provided below the platform.

[0011] Preferably, a support plate is fixedly provided on one side of the platform, and a plurality of rollers are rotatably provided on the upper surface of the support plate.

[0012] Beneficial Effects

[0013] The utility model provides a demoulding device for nozzle bricks, which has the following beneficial effects: a plurality of different lower templates can be installed by arranging a plurality of openings; a plurality of upper die heads can be installed by arranging a plurality of connecting rods, so that nozzle bricks of different sizes can be matched; the required lower template and upper die head can be quickly rotated to the bottom of the telescopic rod by rotating the lower turntable, so as to realize the rapid switching of the lower template and the upper die head; the nozzle brick can be quickly aligned with the lower template by arranging a positioning strip; and the nozzle brick can be pushed onto the lower template by arranging a rotatable roller. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is the main internal structure diagram of the utility model;

[0015] Figure 2 A top view of the positioning bar.

[0016] In the figure: 1. platform; 2. column; 3. lower turntable; 4. sleeve; 5. upper turntable; 6. opening 1; 7. lower template; 8. connecting rod; 9. upper die head; 10. telescopic rod; 11. spring; 12. opening 2; 13. guide hopper; 14. positioning strip; 15. support plate; 16. roller; 17. receiving trough; 18. mounting rod. DETAILED DESCRIPTION

[0017] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the accompanying drawings in the embodiments of the present invention.

[0018] See also Figure 1-2The utility model provides a technical solution: a demoulding device for nozzle bricks, comprising a platform 1, a column 2 is fixedly arranged at the center of the platform 1, a lower turntable 3 abutting the platform 1 is rotatably arranged on the column 2, a sleeve 4 is fixedly arranged on the lower turntable 3, an upper turntable 5 fixedly connected to the sleeve 4 is rotatably arranged on the column 2, a plurality of openings 6 are evenly opened in the lower turntable 3, a lower template 7 is detachably connected in each opening 6, and the lower template 7 is convenient for replacing the lower template 7, a connecting rod 8 is slidably connected to the upper turntable 5 just above each opening 6, an upper die head 9 is screwed on the bottom of the connecting rod 8, and the upper die head 9 is convenient for replacing the upper die head 9, a telescopic rod 10 is fixedly arranged on one side of the top of the column 2, the telescopic rod 10 adopts a cylinder or a hydraulic cylinder, and the telescopic end of the telescopic rod 10 can abut on the top of the connecting rod 8, and the platform 1 is provided with an opening 2 12 corresponding to the opening 1 6, the upper turntable 2 can be rotated at the same time by rotating the lower turntable 3, and the mold can be quickly switched by rotating different connecting rods 8 to the bottom of the telescopic rod 10.

[0019] As an embodiment of the utility model, a convex eave is provided on the top of the connecting rod 8, and a spring 11 is mounted on the outside of the connecting rod 8. The two ends of the spring 11 are respectively in contact with the convex eave and the upper turntable 5. The connecting rod 8 can be reset by pushing the convex eave by the spring 11.

[0020] As an embodiment of the utility model, a positioning strip 14 is fixedly connected to the lower template 7 via a plurality of mounting rods 18 , and the positioning strip 14 can facilitate and quickly align the nozzle brick with the lower template 7 .

[0021] As an embodiment of the utility model, a material guide hopper 13 is fixedly provided at the bottom of the platform 1 below the second opening 12 , and a material receiving trough 17 is provided below the platform 1 , through which the falling materials can be received.

[0022] As an embodiment of the utility model, a support plate 15 is fixedly provided on one side of the platform 1 , and a plurality of rollers 16 are rotatably provided on the upper surface of the support plate 15 , so as to facilitate moving the nozzle bricks onto the lower template 7 .

[0023] The working principle and use process of the utility model are as follows: when in use, lower templates 7 of different specifications are respectively loaded into each opening 6, and the corresponding upper die heads 9 are screwed to the bottom of each connecting rod 8; the nozzle brick is placed on the roller 16 on the supporting plate 15, and the nozzle brick is conveniently pushed onto the lower template 7 by the rotatable roller 16. The positioning strip 14 is provided to facilitate the rapid alignment of the nozzle brick with the lower template 7, and the connecting rod 8 is pushed down by the telescopic rod 10, and the mold core in the nozzle brick is pushed out by the upper die head 9 at the bottom of the connecting rod 8. The mold core passes through the opening 1 6 and the opening 2 12 and falls into the guide hopper 13, and finally enters the receiving trough 17 for storage. When it is necessary to demould another nozzle brick, the lower turntable 3 can be rotated to move the lower template 7 and the upper die head 9 on one side to the bottom of the telescopic rod 10 at the same time, so as to realize rapid switching.

[0024] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A demoulding device for nozzle bricks, characterized in that: The invention comprises a platform (1), a column (2) is fixedly arranged at the center of the platform (1), a lower turntable (3) abutting against the platform (1) is rotatably arranged on the column (2), a sleeve (4) is fixedly arranged on the lower turntable (3), an upper turntable (5) fixedly connected to the sleeve (4) is rotatably arranged on the column (2), a plurality of openings (6) are evenly arranged in the lower turntable (3), each of the openings (6) is detachably connected with a lower template (7), a connecting rod (8) is slidably connected in the upper turntable (5) just above each opening (6), an upper die head (9) is screwed on the bottom of the connecting rod (8), a telescopic rod (10) is fixedly arranged on one side of the top of the column (2), the telescopic end of the telescopic rod (10) can abut against the top of the connecting rod (8), and the platform (1) is provided with an opening (2) (12) corresponding to the opening (6).

2. A demoulding device for nozzle bricks according to claim 1, characterized in that: The top of the connecting rod (8) is provided with a convex eave, and the outer side of the connecting rod (8) is provided with a spring (11), and the two ends of the spring (11) are respectively in contact with the convex eave and the upper rotating disk (5).

3. A demoulding device for nozzle bricks according to claim 1, characterized in that: The lower template (7) is fixedly connected to a positioning strip (14) via a plurality of mounting rods (18).

4. A demoulding device for nozzle bricks according to claim 1, characterized in that: A material guide hopper (13) is fixedly arranged at the bottom of the platform (1) below the second opening (12).

5. A demoulding device for nozzle bricks according to claim 4, characterized in that: A material receiving trough (17) is provided below the platform (1).

6. A demoulding device for nozzle bricks according to claim 1, characterized in that: A support plate (15) is fixedly arranged on one side of the platform (1), and a plurality of rollers (16) are rotatably arranged on the upper surface of the support plate (15).

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