Quick replacement device for iron separation chute of pig casting machine

Abstract

The utility model relates to the technical field of iron separation chutes, in particular to a quick iron separation chute replacement device of a pig casting machine, which comprises an iron separation chute body and an iron adding chute body communicated with the middle of the lower end of the iron separation chute body. A first prefabricated groove body is arranged in the iron separating groove body, a second prefabricated groove body is arranged in the iron mixing groove body, an intercommunication opening is formed in the middle of the lower end of the first prefabricated groove body, and the first prefabricated groove body is communicated with the second prefabricated groove body through the intercommunication opening; according to the utility model, the prefabricated first prefabricated tank body is mounted in the iron separation tank body, and the prefabricated second prefabricated tank body is mounted in the iron mixing tank body, so that after the first prefabricated tank body or the second prefabricated tank body is eroded by molten iron, the first prefabricated tank body or the second prefabricated tank body can be independently detached for maintenance; the whole iron separation chute does not need to be replaced and maintained, the maintenance cost is effectively reduced, and the repair time is greatly shortened.

Description

Technical Field

[0001] The utility model relates to the technical field of iron separation chutes, in particular to a quick replacement device for an iron separation chute of an iron casting machine. Background Art

[0002] When a blast furnace is started, some unqualified molten iron will appear, or problems with the steelmaking equipment will prevent it from continuing production. At this time, in order to ensure the normal operation of the blast furnace, the molten iron needs to be cast into iron blocks. Generally, the molten iron flows through the iron mixing trough into the iron separation chute, and then into the cast iron mold through the iron separation chute, and then is cast into iron blocks.

[0003] However, after long-term use, the inner wall of the iron separation chute of the cast iron machine will be corroded. At this time, it is necessary to stop casting iron and then replace and maintain the iron separation chute. If the entire iron separation chute is replaced as a whole, the cost of this maintenance method is relatively high. If only the inner wall of the iron separation chute is repaired, the repair difficulty is relatively large. Therefore, for the existing technology, how to reduce the maintenance cost while facilitating the maintenance of the inner wall of the iron separation chute is an urgent problem to be solved. Utility Model Content

[0004] The utility model provides a quick replacement device for an iron separation chute of an iron casting machine, which is conducive to conveniently maintaining the inner wall of the iron separation chute and is conducive to reducing maintenance costs.

[0005] In order to solve the above technical problems, the utility model adopts the following technical solutions:

[0006] A quick replacement device for an iron-separating chute of an iron casting machine, comprising an iron-separating chute body and an iron-changing chute body, wherein the iron-changing chute body is connected to the middle part of the lower end of the iron-separating chute body;

[0007] A first prefabricated trough body is provided in the iron separation trough body, and a second prefabricated trough body is provided in the iron exchange trough body. A communication opening is provided in the middle of the lower end of the first prefabricated trough body, and the first prefabricated trough body and the second prefabricated trough body are communicated with each other through the communication opening;

[0008] A plurality of positioning blocks are fixed at the upper and lower ends of the first prefabricated tank body, and positioning grooves matching the positioning blocks are opened at the upper and lower ends of the inner wall of the iron separation tank body. Limiting blocks are fixed at the upper and lower ends of the second prefabricated tank body, and two limiting grooves matching the limiting blocks are opened at the lower end of the first prefabricated tank body;

[0009] A plurality of first plugging rods are fixed at the rear end of the first prefabricated trough body, a plurality of first bottom grooves are opened at the rear end of the iron dividing trough body, a plurality of first plugging holes are opened at the rear end of the iron dividing trough body, which are connected to the first bottom grooves one by one, the first plugging rods all pass downward through the first plugging holes and extend into the first bottom grooves, and first clamping components are provided on both sides of the first plugging rods;

[0010] A plurality of second plug rods are fixed to the rear end of the second prefabricated trough body, a plurality of second bottom grooves are opened at the rear end of the iron-mixing trough body, a plurality of second insertion holes (one-to-one connected with the second bottom grooves) are opened in the inner rear end of the iron-mixing trough body, the second plug rods all pass downward through the second insertion holes and extend into the second bottom grooves, and second clamping components are provided on both sides of the left and right sides of the second plug rods.

[0011] Furthermore, first fixing plates are fixed to the upper and lower ends of the left and right sides of the first prefabricated trough body, first threaded holes are opened at the upper ends of the left and right sides of the iron separation trough body, and first threaded rods with outward threads passing through the first fixing plates are threadedly connected in the first threaded holes.

[0012] Furthermore, second fixing plates are fixed on both sides of the lower end of the second prefabricated trough body, second threaded holes are opened on both sides of the lower end of the iron-adding trough body, and second threaded rods with outward threads passing through the second fixing plates are threadedly connected in the second threaded holes.

[0013] Furthermore, the first positioning components include a first return spring and a first clamping block, first contraction grooves are opened on both sides of the inner wall of the first insertion hole, the first return springs are connected to the first contraction grooves, and the first clamping blocks are connected to the ends of the first return springs.

[0014] Furthermore, the first clamping blocks are slidably extended into the first plugging hole through the first contraction groove, the first plugging rod is provided with first clamping grooves matching the first clamping blocks on both left and right sides, and the first clamping block is truncated cone-shaped.

[0015] Furthermore, the second positioning components include a second return spring and a second clamping block, second contraction grooves are opened on both sides of the inner wall of the second insertion hole, the second return springs are connected to the second contraction grooves, and the second clamping blocks are connected to the ends of the second return springs.

[0016] Furthermore, the second clamping blocks are slidably extended into the second insertion hole through the second contraction groove, and the second insertion rod is provided with second clamping grooves matching the second clamping blocks on both left and right sides, and the second clamping block is truncated cone-shaped.

[0017] Beneficial effects of the utility model:

[0018] 1. By installing a prefabricated first prefabricated trough body in the iron separation trough body and installing a prefabricated second prefabricated trough body in the iron addition trough body, after the molten iron corrodes the first prefabricated trough body or the second prefabricated trough body, the first prefabricated trough body or the second prefabricated trough body can be disassembled separately for maintenance. Compared with the prior art, there is no need to replace and maintain the entire iron separation chute, and the maintenance cost is effectively reduced, and the repair time is greatly reduced;

[0019] 2. By inserting the positioning block into the positioning groove, the limiting block into the limiting groove, and the first plug rod into the first socket, the first card block is inserted into the first card slot, and then the second plug rod is inserted into the second socket, and the second card block is inserted into the second card slot. In summary, it is helpful to ensure the stability of the installation and use of the first prefabricated trough body and the second prefabricated trough body, and the installation process is convenient and quick. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0021] Figure 2 A is a schematic diagram of the enlarged structure of the local area of ​​the utility model;

[0022] Figure 3 It is a schematic diagram of the enlarged structure of the B part of the utility model;

[0023] Figure 4 It is a schematic diagram of the enlarged structure of the C part of the utility model;

[0024] Figure 5 This is a schematic diagram of the front view structure of the iron separation tank body of the utility model;

[0025] Figure 6 It is a schematic diagram of the enlarged structure of the D part of the utility model;

[0026] Figure 7 This is a schematic diagram of the front view structure of the iron exchange tank body of the utility model;

[0027] Figure 8 It is a schematic diagram of the enlarged structure of the E part of the utility model.

[0028] Description of reference numerals:

[0029] Iron dividing trough body 1, iron changing trough body 2, first prefabricated trough body 3, second prefabricated trough body 4, positioning block 5, positioning groove 6, first fixing plate 7, first threaded hole 8, first threaded rod 9, limiting groove 10, limiting block 11, second threaded hole 12, second fixing plate 13, second threaded rod 14, interconnecting port 15, first bottom groove 16, first plug hole 17, first plug rod 18, first contraction groove 19, first return spring 20, first clamping block 21, first clamping groove 22, second bottom groove 23, second plug hole 24, second plug rod 25, second clamping groove 26, second contraction groove 27, second return spring 28, second clamping block 29. DETAILED DESCRIPTION

[0030] In order to facilitate the understanding of those skilled in the art, the present invention is further described below in conjunction with embodiments and drawings. The contents mentioned in the implementation modes are not intended to limit the present invention.

[0031] like Figure 1-8 As shown, in this embodiment, it includes an iron separation trough body 1 and an iron mixing trough body 2, the iron mixing trough body 2 is connected to the middle part of the lower end of the iron separation trough body 1, the iron separation trough body 1 is provided with a first prefabricated trough body 3, the iron mixing trough body 2 is provided with a second prefabricated trough body 4, the middle part of the lower end of the first prefabricated trough body 3 is provided with an intercommunication opening 15, the first prefabricated trough body 3 and the second prefabricated trough body 4 are communicated through the intercommunication opening 15, the upper and lower ends of the first prefabricated trough body 3 are fixed with a plurality of positioning blocks 5, the upper and lower ends of the inner wall of the iron separation trough body 1 are provided with positioning grooves 6 matching the positioning blocks 5, the upper and lower ends of the second prefabricated trough body 4 are fixed with limiting blocks 11, and the first Two limit grooves 10 matching the limit blocks 11 are formed at the lower end of a prefabricated trough body 3, first fixing plates 7 are fixed to the upper and lower ends on both sides of the left and right sides of the first prefabricated trough body 3, first threaded holes 8 are formed at the upper ends on both sides of the left and right sides of the iron separation trough body 1, and first threaded rods 9 with outward threads passing through the first fixing plates 7 are threadedly connected in the first threaded holes 8, second fixing plates 13 are fixed on the left and right sides of the lower end of the second prefabricated trough body 4, and second threaded holes 12 are formed on the left and right sides of the lower end of the iron exchange trough body 2, and second threaded rods 14 with outward threads passing through the second fixing plates 13 are threadedly connected in the second threaded holes 12.

[0032] By installing the prefabricated first prefabricated trough body 3 in the iron separation trough body 1, and installing the prefabricated second prefabricated trough body 4 in the iron addition trough body 2, the first threaded rod 9 is tightened in the first threaded hole 8, and the second threaded rod 14 is tightened in the second threaded hole 12, at the same time, the positioning block 5 is inserted into the positioning groove 6, and the limit block 11 is inserted into the limit groove 10, the first plug rod 18 is inserted into the first socket 17, and the first clamping block 21 is inserted into the first clamping groove 22, and the second plug rod 25 is inserted into the second socket 24, and the second clamping block 29 is inserted into the second clamping groove 26. In summary, the stability of the first prefabricated trough body 3 installed in the iron separation trough body 1 is effectively guaranteed, and it is conducive to ensuring the stability of the second prefabricated trough body 4 installed in the iron addition trough body 2, and effectively ensuring the normal diversion of molten iron.

[0033] like Figure 1-6As shown, in this embodiment, a plurality of first plug rods 18 are fixed to the rear end of the first prefabricated trough body 3, a plurality of first bottom grooves 16 are opened at the rear end of the iron dividing trough body 1, and a plurality of first plug holes 17 connected to the first bottom grooves 16 are opened in the rear end of the iron dividing trough body 1, and the first plug rods 18 all pass downward through the first plug holes 17 and extend into the first bottom grooves 16, and the first plug rods 18 are provided with first clamping components on both sides of the left and right sides, and the first clamping components include a first return spring 20 and a first clamping block 21, and first contraction grooves 19 are opened on both sides of the inner wall of the first plug hole 17, and the first return springs 20 are connected to the first contraction grooves 19, and the first clamping blocks 21 are connected to the ends of the first return springs 20, and the first clamping blocks 21 are slidably extended into the first plug hole 17 through the first contraction grooves 19, and the first plug rods 18 are provided with first clamping grooves 22 matching the first clamping blocks 21 on both sides, and the first clamping blocks 21 are truncated cone-shaped.

[0034] After the molten iron corrodes the first prefabricated trough body 3 or the second prefabricated trough body 4, the first threaded rod 9 is screwed out of the first threaded hole 8, and the second threaded rod 14 is screwed out of the second threaded hole 12, and then the first prefabricated trough body 3 is pulled out of the iron separation trough body 1 to move the positioning block 5 out of the positioning groove 6. During this process, the notch of the first clamping groove 22 will push the first clamping block 21 into the first contraction groove 19 along the inclined surface of the first clamping block 21, so that the first clamping block 21 compresses the first return spring 20 until the first clamping block 21 moves out of the first clamping groove 22. At this time, the first prefabricated trough body 3 can be smoothly removed from the iron separation trough body 1 separately, so as to maintain the first prefabricated trough body 3.

[0035] like Figure 1 , 2 As shown in , 3, 4, 7, and 8, in this embodiment, a plurality of second plug rods 25 are fixed to the rear end of the second prefabricated trough body 4, a plurality of second bottom grooves 23 are opened at the rear end of the iron-adding trough body 2, and a plurality of second plug holes 24 connected to the second bottom grooves 23 are opened in the rear end of the iron-adding trough body 2, and the second plug rods 25 all pass through the second plug holes 24 downward and extend into the second bottom grooves 23, and the second plug rods 25 are provided with second clamping components on both sides, and the second clamping components include a second return spring 28 and a second clamping block 29, and second contraction grooves 27 are opened on both sides of the inner wall of the second plug hole 24, and the second return springs 28 are connected to the second contraction grooves 27, and the second clamping blocks 29 are connected to the ends of the second return springs 28, and the second clamping blocks 29 slide and extend into the second plug hole 24 through the second contraction grooves 27, and the second plug rods 25 are provided with second clamping grooves 26 matching the second clamping blocks 29 on both sides, and the second clamping blocks 29 are truncated cone-shaped.

[0036] And the second prefabricated trough body 4 is pulled outward from the iron-adding trough body 2, and the limit block 11 is moved out of the limit groove 10. During this process, the notch of the second clamping slot 26 will push the second clamping block 29 into the second contraction groove 27 along the inclined surface of the second clamping block 29, so that the second clamping block 29 compresses the second return spring 28, until the second clamping block 29 moves out of the second clamping slot 26. At this time, the second prefabricated trough body 4 can be smoothly removed from the iron-adding trough body 2 separately. In summary, the first prefabricated trough body 3 or the second prefabricated trough body 4 can be removed separately for maintenance. Compared with the prior art, there is no need to replace and maintain the entire iron separation chute, and the maintenance cost is effectively reduced, and the repair time is greatly reduced.

[0037] like Figure 1-6 As shown, in this embodiment, first contraction grooves 19 are formed on both sides of the inner wall of the first plug hole 17, the first return springs 20 are connected to the first contraction grooves 19, the first clamping blocks 21 are connected to the ends of the first return springs 20, the first clamping blocks 21 are slidably extended into the first plug hole 17 through the first contraction grooves 19, the first insertion rod 18 has first clamping grooves 22 matching the first clamping blocks 21 on both sides, and the first clamping blocks 21 are truncated cone-shaped;

[0038] When the first prefabricated trough body 3 needs to be installed in the iron-dividing trough body 1, the positioning block 5 is inserted into the positioning groove 6, and the first insertion rod 18 is inserted into the first insertion hole 17. During this process, the hole opening of the first insertion hole 17 will push the first clamping block 21 into the first contraction groove 19 along the inclined surface of the first clamping block 21, and at the same time, the first clamping block 21 will compress the first return spring 20 until the first clamping block 21 is aligned with the notch of the first clamping groove 22, and then the first clamping block 21 will be automatically inserted into the first clamping groove 22 by the rebound force of the first return spring 20, and then the first threaded rod 9 is tightened into the first threaded hole 8, so that the first prefabricated trough body 3 can be conveniently installed in the iron-dividing trough body 1.

[0039] like Figure 1 , 2 As shown in , 3, 4, 7, and 8, in this embodiment, the second plug hole 24 has second contraction grooves 27 on both sides of the inner wall, the second return springs 28 are connected to the second contraction grooves 27, the second clamping blocks 29 are connected to the ends of the second return springs 28, the second clamping blocks 29 are slidably extended into the second plug hole 24 through the second contraction grooves 27, the second plug rod 25 has second clamping grooves 26 on both sides thereof that match the second clamping blocks 29, and the second clamping blocks 29 are truncated cone-shaped;

[0040] When the second prefabricated trough body 4 needs to be installed in the iron-adding trough body 2, the limit block 11 is inserted into the limit groove 10, and then the second insertion rod 25 is inserted into the second insertion hole 24. In this process, the hole opening of the second insertion hole 24 will push the second clamping block 29 into the second contraction groove 27 along the inclined surface of the second clamping block 29, and at the same time, the second clamping block 29 will compress the second return spring 28 until the second clamping block 29 is aligned with the notch of the second clamping groove 26. Then, the second clamping block 29 will be automatically inserted into the second clamping groove 26 through the rebound force of the second return spring 28, and then the second threaded rod 14 is tightened into the second threaded hole 12. Therefore, the second prefabricated trough body 4 can be conveniently installed in the iron-adding trough body 2. In summary, it is beneficial to ensure the stability of the installation and use of the first prefabricated trough body 3 and the second prefabricated trough body 4, and the installation process is convenient and quick.

[0041] All technical features in this embodiment can be freely combined according to actual needs.

[0042] The above embodiments are preferred implementation schemes of the present invention. In addition, other implementation schemes are also included. Any obvious replacement without departing from the concept of the present technical solution is within the protection scope of the present invention.

Claims

1. A device for quickly replacing an iron separation chute of an iron casting machine, comprising an iron separation chute body (1) and an iron exchange chute body (2), wherein the iron exchange chute body (2) is connected to the middle part of the lower end of the iron separation chute body (1), and is characterized in that: The iron separation trough body (1) is provided with a first prefabricated trough body (3), and the iron exchange trough body (2) is provided with a second prefabricated trough body (4); a communication opening (15) is provided in the middle of the lower end of the first prefabricated trough body (3), and the first prefabricated trough body (3) and the second prefabricated trough body (4) are connected via the communication opening (15); A plurality of positioning blocks (5) are fixed to the upper and lower ends of the first prefabricated trough body (3); positioning grooves (6) matching the positioning blocks (5) are formed at the upper and lower ends of the inner wall of the iron separation trough body (1); limiting blocks (11) are fixed to the upper and lower ends of the second prefabricated trough body (4); and two limiting grooves (10) matching the limiting blocks (11) are formed at the lower end of the first prefabricated trough body (3); A plurality of first insertion rods (18) are fixed to the rear end of the first prefabricated trough body (3); a plurality of first bottom grooves (16) are formed at the rear end of the iron separation trough body (1); a plurality of first insertion holes (17) are formed at the rear end of the iron separation trough body (1) and are in communication with the first bottom grooves (16); the first insertion rods (18) pass downward through the first insertion holes (17) and extend into the first bottom grooves (16); and first positioning components are provided on both left and right sides of the first insertion rods (18); A plurality of second insertion rods (25) are fixed at the rear end of the second prefabricated trough body (4); a plurality of second bottom grooves (23) are formed at the rear end of the iron-mixing trough body (2); a plurality of second insertion holes (24) are formed at the rear end of the iron-mixing trough body (2) and are in communication with the second bottom grooves (23); the second insertion rods (25) pass downward through the second insertion holes (24) and extend into the second bottom grooves (23); and second locking components are provided on both left and right sides of the second insertion rods (25).

2. A quick replacement device for an iron casting machine iron chute according to claim 1, characterized in that: First fixing plates (7) are fixed to the upper and lower ends of the left and right sides of the first prefabricated trough body (3); first threaded holes (8) are formed at the upper ends of the left and right sides of the iron separation trough body (1); and first threaded rods (9) are threadedly connected to the first threaded holes (8) and are threadedly connected to the first threaded holes (8) and penetrate the first fixing plates (7).

3. The device for quickly replacing the iron chute of a cast iron machine according to claim 1, characterized in that: Second fixing plates (13) are fixed on both left and right sides of the lower end of the second prefabricated trough body (4), and second threaded holes (12) are opened on both left and right sides of the lower end of the iron-adding trough body (2), and second threaded rods (14) are threadedly connected in the second threaded holes (12) and are threadedly connected to the outside and pass through the second fixing plates (13).

4. A quick replacement device for an iron casting machine iron chute according to claim 1, characterized in that: The first locking assembly comprises a first return spring (20) and a first locking block (21); first contraction grooves (19) are provided on both sides of the inner wall of the first insertion hole (17); the first return spring (20) is connected to the first contraction groove (19); and the first locking block (21) is connected to the end of the first return spring (20).

5. A quick replacement device for an iron casting machine iron chute according to claim 4, characterized in that: The first clamping blocks (21) are slidably extended into the first insertion holes (17) through the first contraction grooves (19); the first insertion rods (18) are provided with first clamping grooves (22) matching the first clamping blocks (21) on both left and right sides; the first clamping blocks (21) are truncated cone-shaped.

6. A device for quickly replacing an iron chute of an iron casting machine as claimed in claim 1, characterized in that: The second locking assembly comprises a second return spring (28) and a second locking block (29); second contraction grooves (27) are provided on both sides of the inner wall of the second insertion hole (24); the second return spring (28) is connected to the second contraction groove (27); and the second locking block (29) is connected to the end of the second return spring (28).

7. A device for quickly replacing an iron casting machine iron chute according to claim 6, characterized in that: The second clamping blocks (29) are slidably extended into the second insertion holes (24) through the second contraction grooves (27); the second insertion rods (25) are provided with second clamping grooves (26) matching the second clamping blocks (29) on both left and right sides; the second clamping blocks (29) are truncated cone-shaped.

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