Crystallizer for producing wide copper strip billet

Abstract

The utility model discloses a crystallizer for producing a wide copper strip blank, which belongs to the technical field of metal casting equipment and comprises a crystallizer shell, a graphite mold cooling shell fixedly connected with the lower end of the crystallizer shell, a graphite mold arranged in the graphite mold cooling shell and a movable and liftable ingot guide mold core arranged in the crystallizer shell. The outer side of the graphite mold cooling shell is provided with a fixedly-connected water inlet groove, detachable crystallizer outer plates are arranged at the front end and the rear end of the crystallizer shell, a water channel groove is formed between the crystallizer outer plates and the crystallizer shell, partition plates distributed in an array mode are arranged in the water channel groove, and flow guide plates distributed in an array mode are arranged on the two sides of each partition plate. According to the utility model, the copper strip blank can be automatically lifted and wound, a copper melt in the graphite mold is solidified into the copper strip blank, the cast copper strip blank is connected with the ingot guide mold core, the ingot guide mold core continuously drives the solidified copper strip blank to be lifted and wound when lifting, and the guide structure in the top auxiliary frame can be used for positioning and guiding when the copper strip blank is lifted and wound.

Description

Technical Field

[0001] The utility model relates to the technical field of metal casting equipment, in particular to a crystallizer for producing wide copper strip blanks. Background Art

[0002] Copper strips are widely used and have an irreplaceable position in the industries of electrical conduction, heat conduction, shielding, etc. As the raw material of copper bars and copper strips, the casting of copper strip blanks is very important. As long as it is cast, it is inseparable from the crystallizer. What we are talking about is the upward-drawing copper strip blank crystallizer used for upward-drawing copper strip blank casting. The upward-drawing method has the advantages of short process flow, high yield rate, low cost and low investment. At present, the upward-drawing method is mostly used for wire and rod casting. Its principle is to use a tubular copper sleeve graphite crystallizer to extend and immerse under the molten copper liquid surface, and the cooling water in the crystallizer condenses and crystallizes into a solid state, and is pulled upward through the ingot core.

[0003] Most of the existing crystallizer upward pulling methods use a simple pulling and winding operation, and the entire pulling force is concentrated on the top of the copper strip blank. In addition, due to the different sizes of the ingot core and the copper strip blank, the copper strip blank is prone to twisting and tearing during the upward winding. Therefore, it is necessary to improve the structure of the existing crystallizer. Utility Model Content

[0004] In view of the deficiencies in the prior art, the purpose of the present invention is to provide a crystallizer for producing wide copper strip blanks to solve the problems raised in the above-mentioned background technology.

[0005] The purpose of the utility model can be achieved through the following technical solutions:

[0006] A crystallizer for producing wide copper strip blanks, comprising a crystallizer shell, a fixedly connected graphite mold cooling shell is provided at the lower end of the crystallizer shell, a graphite mold is provided inside the graphite mold cooling shell, a movable and liftable ingot starter mold core is provided inside the crystallizer shell, a fixedly connected water inlet trough is provided outside the graphite mold cooling shell, a detachable crystallizer outer plate is provided at the front and rear ends of the crystallizer shell, a waterway groove is provided between the crystallizer outer plate and the crystallizer shell, an array-distributed partition is provided inside the waterway groove, and array-distributed flow guide plates are provided on both sides of the partition;

[0007] A fixedly connected top auxiliary frame is provided at the top discharge port of the crystallizer shell, and a symmetrically arranged movable frame and a mobile platform are provided inside the top auxiliary frame. The movable frame and the mobile platform are slidably matched with the top auxiliary frame, a guide wheel is provided at the front end of the movable frame, a limit groove is provided at the lower end of the movable frame, a second hydraulic rod which can be moved laterally is provided inside the mobile platform, and a fixedly connected positioning pin is provided at the telescopic end of the second hydraulic rod.

[0008] Preferably, the side plates on both sides of the crystallizer shell can be moved to adjust the spacing.

[0009] Preferably, the guide plate is slidably connected to the partition plate.

[0010] Preferably, there are two groups of water inlet grooves, which are respectively fixed on the front and rear surfaces of the crystallizer shell, and are respectively connected to the front and rear groups of water channel grooves inside the crystallizer shell and the graphite mold cooling shell. One group of water inlet grooves is provided with a connected first water inlet pipe, and the other group of water inlet grooves is provided with a connected second water inlet pipe. One side of the crystallizer shell is provided with an array of distributed water outlet pipes, and the cooling water is discharged through the water outlet pipes.

[0011] Preferably, the moving direction of the movable frame is perpendicular to the ingot starter mold core, and a first spring is provided at the rear end of the movable frame, and the first spring pushes the symmetrical movable frames to move forward toward each other.

[0012] Preferably, inclined guide edges are provided on both sides of the limiting groove.

[0013] Preferably, a first hydraulic rod is fixedly connected inside the top auxiliary frame, and the first hydraulic rod pushes the mobile platform to move, and the moving direction of the mobile platform is the same as the moving direction of the movable frame. The second hydraulic rod is slidably matched with the mobile platform, and the moving direction of the second hydraulic rod is the same as that of the mobile platform. Second springs are provided on both sides of the second hydraulic rod, and the second springs push the second hydraulic rod to be located at the center position of the mobile platform.

[0014] Beneficial effects of the utility model:

[0015] The utility model discloses a crystallizer for producing wide copper strip blanks, which adopts an automated structural design and can automatically raise and reel the copper strip blanks. The copper melt in the graphite mold solidifies into copper strip blanks, and the cast copper strip blanks are connected to the ingot core. When the ingot core rises, the solidified copper strip blanks are continuously driven to rise and reel. The guide structure in the top auxiliary frame can perform positioning and guidance when the copper strip blanks are raised and reeled, thereby improving the stability of the product.

[0016] When the utility model is in use, cooling water enters the water channel groove and the graphite mold cooling shell from the first water inlet pipe and the second water inlet pipe to cool the graphite mold and the crystallizer shell, and the heated cooling water is discharged from the water outlet pipe. The side plates on both sides of the crystallizer shell can be moved and adjusted to change the width of the inside of the crystallizer shell, so as to be suitable for copper strips of different widths. The guide plate is slidably connected to both sides of the partition plate, and the spacing and number of the guide plates are adjustable, and can be replaced according to actual cooling needs.

[0017] In the utility model, the locating pin is located below the limiting groove at the lower end of the movable frame, and the second hydraulic rod pushes the locating pin to rise and insert into the limiting groove. When the first spring and the second spring interfere or age, the locating pin may be offset from the limiting groove to a certain extent. At this time, the second hydraulic rod is movable and can automatically perform fine adjustment when the locating pin rises and inserts into the limiting groove, and can provide a certain front and rear displacement buffer when the ingot core rises. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the technical solutions in the embodiments of the utility model or the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, for ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0019] Figure 1 This is a schematic diagram of the structure of a crystallizer for producing wide copper strip blanks in the embodiment of the utility model. Figure 1 ;

[0020] Figure 2 This is a schematic diagram of the structure of a crystallizer for producing wide copper strip blanks in the embodiment of the utility model. Figure 2 ;

[0021] Figure 3 It is a front view schematic diagram of the structure of a crystallizer for producing wide copper strip blanks in an embodiment of the utility model;

[0022] Figure 4 This is a schematic diagram of the structure of a crystallizer for producing wide copper strip blanks in the embodiment of the utility model. Figure 1 ;

[0023] Figure 5 This is a schematic diagram of the structure of a crystallizer for producing wide copper strip blanks in the embodiment of the utility model. Figure 2 ;

[0024] Figure 6 This utility model Figure 5 A schematic diagram of the structure enlargement in the middle;

[0025] Figure 7 This utility model Figure 5 A magnified schematic diagram of the structure at B in the middle;

[0026] In the figure: 1. crystallizer shell; 2. shell; 3. graphite mold; 4. first water inlet pipe; 5. second water inlet pipe; 6. water outlet pipe; 7. top auxiliary frame; 11. ingot core; 12. waterway groove; 13. partition; 21. water inlet trough; 71. movable frame; 72. guide wheel; 73. first spring; 74. moving platform; 75. second hydraulic rod; 76. first hydraulic rod. DETAILED DESCRIPTION

[0027] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0028] See also Figures 1 to 7 As shown, this embodiment provides a crystallizer for producing wide copper strip blanks, including a crystallizer shell 1, a fixedly connected graphite mold cooling shell 2 is provided at the lower end of the crystallizer shell 1, a fixedly connected water inlet trough 21 is provided on the outer side of the graphite mold cooling shell 2, a graphite mold 3 is provided inside the graphite mold cooling shell 2, and a movable and liftable ingot guide core 11 is provided inside the crystallizer shell 1.

[0029] Specifically, the front and rear ends of the crystallizer shell 1 are provided with detachable crystallizer outer plates, and the connection between the two is provided with a sealing gasket. The side plates on both sides of the crystallizer shell 1 can be moved and adjusted to change the width of the inside of the crystallizer shell 1, so as to be suitable for copper strips of different widths. A waterway groove 12 is provided between the crystallizer outer plate and the crystallizer shell 1, and an array of partitions 13 are provided inside the waterway groove 12. The partition 13 divides the internal space of the waterway groove 12, and array-distributed guide plates 14 are provided on both sides of the partition 13. The guide plates 14 are slidably connected to both sides of the partition 13, and the spacing and number of the guide plates 14 are adjustable, and can be replaced according to actual cooling needs;

[0030] There are two groups of water inlet grooves 21, which are respectively fixed on the front and rear surfaces of the crystallizer shell 1, and are respectively connected with the front and rear water channel grooves 12 inside the crystallizer shell 1 and the graphite mold cooling shell 2. One group of water inlet grooves 21 is provided with a connected first water inlet pipe 4, and the other group of water inlet grooves 21 is provided with a connected second water inlet pipe 5. The first water inlet pipe 4 supplies cooling water to the water channel groove 12 at the front end of the crystallizer shell 1, and the second water inlet pipe 5 supplies cooling water to the water channel groove 12 at the rear end of the crystallizer shell 1. One side of the crystallizer shell 1 is provided with an array of water outlet pipes 6, and the cooling water is discharged through the water outlet pipes 6;

[0031] The cooling water enters the water channel groove 12 and the graphite mold cooling shell 2 from the first water inlet pipe 4 and the second water inlet pipe 5 to cool the graphite mold 3 and the crystallizer shell 1, and the heated cooling water is discharged from the water outlet pipe 6.

[0032] Further, a top discharge port of the crystallizer shell 1 is provided with a fixedly connected top auxiliary frame 7, and a symmetrically arranged movable frame 71 is provided inside the top auxiliary frame 7. The movable frame 71 slides forward along the top auxiliary frame 7, and the moving direction of the movable frame 71 is perpendicular to the ingot core 11. A guide wheel 72 is provided at the front end of the movable frame 71, and the guide wheel 72 can contact the outside of the ingot core 11 after moving forward. A first spring 73 is provided at the tail end of the movable frame 71, and the tail end of the first spring 73 is fixedly linked to the top auxiliary frame 7, and the front end of the first spring 73 is fixedly connected to the tail end of the movable frame 71. In the absence of external force, the first spring 73 pushes the symmetrical movable frames 71 to move forward toward each other;

[0033] A limiting groove is provided at the lower end of the movable frame 71, and inclined guide edges are provided on both sides of the limiting groove. A slidingly connected moving platform 74 and a fixedly connected first hydraulic rod 76 are also provided inside the top auxiliary frame 7. The telescopic end of the first hydraulic rod 76 is fixedly connected to the moving platform 74, and the first hydraulic rod 76 pushes the moving platform 74 to move. The moving direction of the moving platform 74 is the same as that of the movable frame 71. A second hydraulic rod 75 that can move laterally is provided inside the moving platform 74. The second hydraulic rod 75 slides with the moving platform 74, and the moving direction of the second hydraulic rod 75 is the same as that of the moving platform 74. Second springs are provided on both sides of the second hydraulic rod 75, and the tail end of the second spring is fixedly connected to the moving platform 74, and the front end of the second spring is fixedly connected to the second hydraulic rod 75. When there is no external force, the second spring pushes the second hydraulic rod 75 to be located at the center of the moving platform 74.

[0034] The telescopic end of the second hydraulic rod 75 is provided with a fixedly connected positioning pin. Due to the inconsistent thickness of the ingot core 11, the stop position of the movable frame 71 will be inconsistent. The movable platform 74 is first moved to the specified position by the first hydraulic rod 76. At this time, the positioning pin is located below the limiting groove at the lower end of the movable frame 71. The second hydraulic rod 75 pushes the positioning pin to rise and insert it into the limiting groove. When the first spring 73 and the second spring interfere or age, the positioning pin may be offset from the limiting groove. At this time, the second hydraulic rod 75 can be automatically fine-tuned when the positioning pin rises and inserts into the limiting groove, and can provide a certain forward and backward displacement buffer when the ingot core 11 rises.

[0035] Working principle:

[0036] When in use, cooling water is first injected into the crystallizer shell 1 and the graphite mold cooling shell 2 through the first water inlet pipe 4 and the second water inlet pipe 5 before use, and the ingot core 11 is inserted into the crystallizer shell 1 to preheat the crystallizer, and then the graphite mold 3 is inserted into the copper liquid, and the upper drawing machine is connected to the top of the ingot core 11. With the continuous exchange of cooling water, the copper melt in the graphite mold 3 solidifies into a copper strip blank, and the cast copper strip blank is connected to the ingot core 11. When the ingot core 11 rises, it continuously drives the solidified copper strip blank to rise and roll up;

[0037] During the rising and winding process of the copper strip blank, the guide wheel 72 moves forward and contacts the outer side of the ingot core 11 for guidance. Due to the inconsistent thickness of the ingot core 11, the stop position of the movable frame 71 will be inconsistent. The movable platform 74 is first moved to the specified position by the first hydraulic rod 76. At this time, the positioning pin is located below the limiting groove at the lower end of the movable frame 71. The second hydraulic rod 75 pushes the positioning pin up and inserts it into the limiting groove for fixation, thereby fixing the movable frame 71.

[0038] In the description of the present invention, it should be understood that the terms "upper", "lower", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc., indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0039] In the present invention, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements, unless otherwise clearly defined. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0040] In the present utility model, unless otherwise clearly specified and limited, a first feature being "above" or "below" a second feature may mean that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediate medium. Moreover, a first feature being "above", "above" and "above" a second feature may mean that the first feature is directly above or obliquely above the second feature, or simply means that the first feature is higher in level than the second feature. A first feature being "below", "below" and "below" a second feature may mean that the first feature is directly below or obliquely below the second feature, or simply means that the first feature is lower in level than the second feature.

[0041] In the description of this specification, the description with reference to the terms "one embodiment", "example", "specific example", etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0042] The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments, and the above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, and these changes and improvements fall within the scope of the utility model to be protected.

Claims

1. A crystallizer for producing wide copper strip blanks, comprising a crystallizer shell (1), a graphite mold cooling shell (2) fixedly connected to the lower end of the crystallizer shell (1), a graphite mold (3) inside the graphite mold cooling shell (2), and a movable and elevating ingot starter core (11) inside the crystallizer shell (1), characterized in that: The graphite mold cooling shell (2) is provided with a fixedly connected water inlet groove (21) on the outside, the front and rear ends of the crystallizer shell (1) are provided with a detachable crystallizer outer plate, a water channel groove (12) is provided between the crystallizer outer plate and the crystallizer shell (1), an array of partitions (13) are provided inside the water channel groove (12), and both sides of the partition (13) are provided with array-distributed flow guide plates (14); A top auxiliary frame (7) is fixedly connected to the discharge port at the top of the crystallizer shell (1), and a movable frame (71) and a movable platform (74) are symmetrically arranged inside the top auxiliary frame (7). The movable frame (71) and the movable platform (74) are slidably matched with the top auxiliary frame (7), a guide wheel (72) is provided at the front end of the movable frame (71), a limit groove is provided at the lower end of the movable frame (71), and a second hydraulic rod (75) that can be moved laterally is provided inside the movable platform (74), and a fixedly connected positioning pin is provided at the telescopic end of the second hydraulic rod (75).

2. A crystallizer for producing wide copper strip according to claim 1, characterized in that: The side plates on both sides of the crystallizer shell (1) can be moved to adjust the spacing.

3. The crystallizer for producing wide copper strip according to claim 1, characterized in that: The guide plate (14) is slidably connected to the partition plate (13).

4. The crystallizer for producing wide copper strip according to claim 1, characterized in that: There are two groups of water inlet grooves (21), which are respectively fixed on the front and rear surfaces of the crystallizer shell (1) and are respectively connected to the front and rear water channel grooves (12) inside the crystallizer shell (1) and the graphite mold cooling shell (2). One group of water inlet grooves (21) is provided with a connected first water inlet pipe (4), and the other group of water inlet grooves (21) is provided with a connected second water inlet pipe (5). One side of the crystallizer shell (1) is provided with an array of distributed water outlet pipes (6), and cooling water is discharged through the water outlet pipes (6).

5. The crystallizer for producing wide copper strip according to claim 1, characterized in that: The moving direction of the movable frame (71) is perpendicular to the ingot starter mold core (11). A first spring (73) is provided at the rear end of the movable frame (71). The first spring (73) pushes the symmetrical movable frames (71) to move forward toward each other.

6. The crystallizer for producing wide copper strip according to claim 1, characterized in that: Inclined guide edges are provided on both sides of the limiting groove.

7. The crystallizer for producing wide copper strip according to claim 1, characterized in that: A first hydraulic rod (76) is fixedly connected inside the top auxiliary frame (7), and the first hydraulic rod (76) pushes the mobile platform (74) to move. The moving direction of the mobile platform (74) is the same as that of the movable frame (71). The second hydraulic rod (75) is slidably matched with the mobile platform (74), and the moving direction of the second hydraulic rod (75) is the same as that of the mobile platform (74). Second springs are provided on both sides of the second hydraulic rod (75), and the second springs push the second hydraulic rod (75) to be located at the center of the mobile platform (74).

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