Hot extrusion hard alloy divergent die

Abstract

The utility model relates to the technical field of dies, and discloses a hot extrusion hard alloy divergent die. The hot extrusion hard alloy divergent die comprises a lower die body, an upper die body is arranged above the lower die body, preheating structures are arranged in the lower die body and the upper die body, and a cooling structure is arranged on the right side of the lower die body. Through the arrangement of the first heat insulation groove, the second heat insulation groove and the heat insulation cotton, the first hot water groove and the second hot water groove are heated, heat is conducted to the mold groove and the extrusion block respectively, preheating is achieved, meanwhile, the first heat insulation groove wraps the first hot water groove, heat conduction is limited through the heat insulation cotton in the first heat insulation groove, and the heat insulation effect is improved. And the second heat insulation groove is formed above the second hot water groove, upward conduction of the second hot water groove is prevented through internal heat insulation cotton, heat is prevented from being completely diffused to the whole upper mold, and high-temperature conduction of the mold cannot be caused while preheating is conducted.

Description

Technical Field

[0001] The utility model relates to the technical field of molds, in particular to a hot extrusion hard alloy splitter mold. Background Art

[0002] The diverter die is mainly composed of an upper die and a lower die. When extruding profiles, the cemented carbide flows through the diverter hole in the upper die and then flows into the welding chamber in the lower die. After entering the welding chamber, it converges and then enters the molding space formed by the die core and the die hole for extrusion molding, and finally is discharged from the die hole.

[0003] The patent document with the prior art publication number CN219130361U provides a hot extrusion carbide diverter die. The preheated water flow is discharged through the water outlet pipe and the water outlet connector. After the preheating is completed, the hard alloy can be hot extruded. When the hard alloy is in the hot extrusion process, the temperature of the lower die is reduced to a suitable range by the cooling component, and the hard alloy hot extrusion forming material is preliminarily cooled, thereby achieving the goal of facilitating the preheating of the diverter die and avoiding the situation that the diverter die is usually placed in a preheating device for heating, resulting in the need to use a lifting device to place the diverter die into the device after the diverter die is preheated, making the diverter die very inconvenient to use. However, when the patent CN219130361U is used, although the mold is preheated, since the mold is mostly made of metal material with fast heat conduction, the high temperature is conducted to the entire mold during preheating, making the outer wall of the mold easy to cause harm to workers. Therefore, a hot extrusion carbide diverter die is urgently needed. Utility Model Content

[0004] The purpose of the utility model is to provide a hot extrusion carbide diverter die to solve the problems raised in the above background technology that since most molds are made of metal materials with fast heat conduction, the high temperature is transmitted to the entire mold during preheating, making the outer wall of the mold easy to cause harm to workers and the molded metal products are at high temperature, making it inconvenient to pick up and transport.

[0005] In order to solve the above technical problems, the utility model provides the following technical solutions: a hot extrusion cemented carbide diverter die, comprising a lower die, an upper die is arranged above the lower die, and a preheating structure is arranged inside the lower die and the upper die, a cooling structure is arranged on the right side of the lower die, and an extrusion block is fixed at the bottom end of the upper die.

[0006] The preheating structure includes a first hot water tank, a first heating pipe is installed on the inner wall of the first hot water tank, and a first insulation tank is arranged on the outer side of the first hot water tank, and insulation cotton is arranged inside the first insulation tank. A second hot water tank is arranged on the inner side of the extrusion block, a second heating pipe is installed on the inner wall of the second hot water tank, and a second insulation tank is arranged above the second hot water tank.

[0007] The cooling structure includes a fixed plate, the bottom end of the fixed plate is connected to a side plate, the bottom end of the side plate is provided with a placement plate, and a cooling box is provided on the outside of the side plate, an air outlet hood is provided on the right side of the cooling box, an air outlet pipe is connected to the right side of the air outlet hood, and a blower is installed at the bottom end of the air outlet pipe.

[0008] Preferably, a die groove is provided on the top of the lower die, and diverter pipes are provided on both sides of the upper die, and the diverter pipes penetrate to the bottom of the extrusion block.

[0009] Preferably, the first hot water tank corresponds to the size of the die groove, the second hot water tank corresponds to the size of the extrusion block, and the first insulation tank and the second insulation tank are both provided with insulation cotton inside.

[0010] Preferably, the first heating tube and the second heating tube are provided with waterproof covers, the first heat-insulating groove is arranged on the outside of the first hot water groove, and the second heat-insulating groove is arranged above the second hot water groove.

[0011] Preferably, the fixing plate is welded to the right side of the upper mold, and the side plate and the placement plate are snap-connected with the cooling box.

[0012] Preferably, the cooling box and the lower mold are fixedly installed by bolts, and the blower and the cooling box are fixedly installed by a bracket.

[0013] Preferably, the air outlet hood penetrates to the inner side of the cooling box, water filter holes are provided on the side panels and the placement plate, and a drain pipe is provided on the cooling box.

[0014] Compared with the prior art, the beneficial effects achieved by the utility model are:

[0015] First, the utility model provides a first insulation groove, a second insulation groove and insulation cotton. When the first hot water groove and the second hot water groove are heated, the heat is respectively conducted to the mold groove and the extrusion block to achieve preheating. At the same time, the first insulation groove is wrapped around the outside of the first hot water groove, and the internal insulation cotton is used to limit the heat conduction to prevent the heat from completely diffusing to the entire lower mold. The second insulation groove is arranged above the second hot water groove, and the internal insulation cotton is used to prevent the second hot water groove from conducting upward to prevent the heat from completely diffusing to the entire upper mold, so that high-temperature conduction of the mold will not be caused during preheating.

[0016] Secondly, the utility model provides a placement plate, a cooling box, a blower and an air outlet hood. After the hard alloy is pressed and formed, the upper mold is lifted, and the alloy product is quickly taken out from the die groove and placed on the placement plate. When the upper mold moves down to close the mold for continuous pressing processing, the upper mold drives the side plate and the placement plate to move down into the cooling box through the fixed plate on the right side, so that the alloy product on the placement plate is in contact with the cooling to achieve cooling. After another alloy product is pressed and formed, the upper mold moves up, and at the same time, the placement plate and the alloy product thereon move up, and are separated from the cold water through the water filter holes on the placement plate. At the same time, the blower is running, and the air flow is conveyed through the air outlet pipe, so that the air flow is sprayed through the air outlet hood, and the alloy product on the placement plate is air-cooled and air-dried. After a short air drying, the alloy product is taken down, and the alloy product just pressed and formed is taken out from the die groove and placed on the placement plate for cooling treatment. The alloy product after cooling is convenient to take and transport. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0018] Figure 2 This is a schematic diagram of the front section structure of the utility model;

[0019] Figure 3 This is a schematic diagram of the preheating structure of the utility model;

[0020] Figure 4 For this utility model Figure 3 A is an enlarged schematic diagram;

[0021] Figure 5 This is a schematic diagram of the cooling structure of the utility model;

[0022] Figure 6 It is a schematic diagram of the side panel of the utility model.

[0023] Among them: 1. lower mold; 2. mold groove; 3. upper mold; 4. diverter pipe; 5. preheating structure; 501. first hot water tank; 502. first heating tube; 503. first insulation tank; 504. insulation cotton; 505. second hot water tank; 506. second heating tube; 507. second insulation tank; 6. extrusion block; 7. cooling structure; 701. fixing plate; 702. side plate; 703. placement plate; 704. cooling box; 705. air outlet hood; 706. air outlet pipe; 707. blower. DETAILED DESCRIPTION

[0024] 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 in 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.

[0025] See also Figure 1-4 A hot extrusion cemented carbide diverter die comprises a lower die 1, an upper die 3 is arranged above the lower die 1, and a preheating structure 5 is arranged inside the lower die 1 and the upper die 3, a cooling structure 7 is arranged on the right side of the lower die 1, an extrusion block 6 is fixed at the bottom end of the upper die 3, the preheating structure 5 comprises a first hot water tank 501, a first heating pipe 502 is installed on the inner wall of the first hot water tank 501, and a first insulation tank 503 is arranged outside the first hot water tank 501, and insulation cotton 504 is arranged inside the first insulation tank 503, and the extrusion block 6 is provided with a second hot water tank 505 on the inner side, a second heating pipe 506 is installed on the inner wall of the second hot water tank 505, and a second heat insulation tank 507 is provided above the second hot water tank 505, a die groove 2 is provided on the top of the lower mold 1, and a shunt pipe 4 is provided on both sides of the upper mold 3, and the shunt pipe 4 penetrates to the bottom of the extrusion block 6, the first hot water tank 501 corresponds to the size of the die groove 2, the second hot water tank 505 corresponds to the size of the extrusion block 6, and the first heat insulation tank 503 and the second heat insulation tank 507 are both provided with heat insulation cotton 504 The first heating tube 502 and the second heating tube 506 are provided with waterproof covers, the first heat insulation groove 503 is provided on the outside of the first hot water groove 501, and the second heat insulation groove 507 is provided above the second hot water groove 505. Before the split mold is used, the first heating tube 502 in the first hot water groove 501 inside the lower mold 1 is controlled to operate, and the second heating tube 506 inside the second hot water groove 505 inside the extrusion block 6 at the bottom of the upper mold 3 is controlled to operate, so that the first hot water groove 501 and the second hot water groove 505 are heated. The heat is respectively conducted to the mold groove 2 and the extrusion block 6 to achieve preheating. At the same time, the first insulation groove 503 is wrapped around the outside of the first hot water groove 501, and the heat conduction is limited by the internal insulation cotton 504 to prevent the heat from completely diffusing to the entire lower mold 1. The second insulation groove 507 is arranged above the second hot water groove 505, and the internal insulation cotton 504 prevents the second hot water groove 505 from conducting upward to prevent the heat from completely diffusing to the entire upper mold 3, so that high temperature conduction of the mold will not be caused during preheating.

[0026] See also Figure 5-6A hot extrusion cemented carbide splitter die, the cooling structure 7 comprises a fixed plate 701, the bottom end of the fixed plate 701 is connected to a side plate 702, the bottom end of the side plate 702 is provided with a placement plate 703, and the outer side of the side plate 702 is provided with a cooling box 704, the right side of the cooling box 704 is provided with an air outlet hood 705, the right side of the air outlet hood 705 is connected to an air outlet pipe 706, the bottom end of the air outlet pipe 706 is installed with a blower 707, the fixed plate 701 Welded on the right side of the upper mold 3, the side plate 702, the placement plate 703 and the cooling box 704 are connected by snapping, the cooling box 704 and the lower mold 1 are fixedly installed by bolts, the blower 707 and the cooling box 704 are fixedly installed by the bracket, the air outlet cover 705 penetrates the inner side of the cooling box 704, the side plate 702 and the placement plate 703 are provided with water filtering holes, and the cooling box 704 is provided with a drainage pipe. After the hard alloy is pressed and formed, the upper mold 3 is lifted to It is quickly taken out from the die groove 2 and placed on the placement plate 703. When the upper die 3 moves down to close the mold for continuous pressing processing, the upper die 3 drives the side plate 702 and the placement plate 703 to move down into the cooling box 704 through the fixed plate 701 on the right, so that the alloy product on the placement plate 703 is in contact with the cooling to achieve cooling. After another alloy product is pressed and formed, the upper die 3 moves up, and the placement plate 703 and the alloy product thereon move up at the same time, and are separated from the cold water through the water filter holes on the placement plate 703. At the same time, the blower 707 is running, and the air flow is transported through the air outlet pipe 706, so that the air flow is sprayed through the air outlet hood 705, and the alloy product on the placement plate 703 is air-cooled and air-dried. After a short air drying, the alloy product is taken out, and the alloy product just pressed and formed is taken out from the die groove 2 and placed on the placement plate 703 for cooling treatment. The alloy product after cooling is convenient to take and transport.

[0027] When in use, before the shunt mold is used, the first heating tube 502 in the first hot water tank 501 inside the lower mold 1 is controlled to operate, and the second heating tube 506 inside the second hot water tank 505 inside the extrusion block 6 at the bottom of the upper mold 3 is controlled to operate, so that the first hot water tank 501 and the second hot water tank 505 are heated, and the heat is respectively conducted to the mold groove 2 and the extrusion block 6 to achieve preheating. At the same time, the first insulation tank 503 is wrapped around the outside of the first hot water tank 501, and the heat conduction is limited by the internal insulation cotton 504 to prevent the heat from completely diffusing to the entire lower mold 1. The second insulation tank 507 is arranged above the second hot water tank 505, and the internal insulation cotton 504 prevents the second hot water tank 505 from conducting upward to prevent the heat from completely diffusing to the entire upper mold 3, so that during preheating, high-temperature conduction of the mold will not be caused. The molten metal solution enters between the extrusion block 6 and the mold groove 2 through the two shunt tubes 4 for feeding, and hot extrusion processing can be performed, and hard After the alloy is pressed and formed, the upper mold 3 is lifted, and the alloy product is quickly taken out from the die groove 2 and placed on the placement plate 703. When the upper mold 3 moves down to close the mold for continuous pressing, the upper mold 3 drives the side plate 702 and the placement plate 703 to move down into the cooling box 704 through the fixed plate 701 on the right, so that the alloy product on the placement plate 703 is in contact with the cooling to achieve cooling. After another alloy product is pressed and formed, the upper mold 3 moves up, and the placement plate 703 and the alloy product thereon move up at the same time, and are separated from the cold water through the water filter holes on the placement plate 703. At the same time, the blower 707 is running, and the air flow is transported through the air outlet pipe 706, so that the air flow is sprayed through the air outlet hood 705, and the alloy product on the placement plate 703 is air-cooled and air-dried. After a short air drying, the alloy product is taken out, and the alloy product just pressed and formed is taken out from the die groove 2 and placed on the placement plate 703 for cooling treatment. The alloy product after cooling is convenient to take and transport.

[0028] Although the 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 thereof, and the scope of the invention is defined by the appended claims and their equivalents.

Claims

1. A hot extrusion cemented carbide manifold die, comprising a lower die (1), characterized in that: An upper mold (3) is arranged above the lower mold (1), and a preheating structure (5) is arranged inside the lower mold (1) and the upper mold (3), a cooling structure (7) is arranged on the right side of the lower mold (1), and an extrusion block (6) is fixed at the bottom end of the upper mold (3); The preheating structure (5) comprises a first hot water tank (501), a first heating pipe (502) is installed on the inner wall of the first hot water tank (501), a first heat insulation tank (503) is arranged on the outer side of the first hot water tank (501), heat insulation cotton (504) is arranged inside the first heat insulation tank (503), a second hot water tank (505) is arranged on the inner side of the extrusion block (6), a second heating pipe (506) is installed on the inner wall of the second hot water tank (505), and a second heat insulation tank (507) is arranged above the second hot water tank (505); The cooling structure (7) comprises a fixing plate (701), the bottom end of the fixing plate (701) is connected to a side plate (702), the bottom end of the side plate (702) is provided with a placement plate (703), and a cooling box (704) is provided on the outside of the side plate (702), an air outlet hood (705) is provided on the right side of the cooling box (704), the right side of the air outlet hood (705) is connected to an air outlet pipe (706), and a blower (707) is installed at the bottom end of the air outlet pipe (706).

2. A hot extrusion cemented carbide split die according to claim 1, characterized in that: A die groove (2) is provided on the top of the lower die (1), and diverter pipes (4) are provided on both sides of the upper die (3), and the diverter pipes (4) penetrate to the bottom of the extrusion block (6).

3. A hot extrusion cemented carbide split die according to claim 2, characterized in that: The first hot water tank (501) corresponds to the size of the die groove (2), the second hot water tank (505) corresponds to the size of the extrusion block (6), and the first insulation tank (503) and the second insulation tank (507) are both provided with insulation cotton (504) inside.

4. The hot extrusion cemented carbide manifold die according to claim 1, characterized in that: The first heating tube (502) and the second heating tube (506) are provided with waterproof covers, the first heat insulation groove (503) is arranged outside the first hot water groove (501), and the second heat insulation groove (507) is arranged above the second hot water groove (505).

5. The hot extrusion cemented carbide manifold die according to claim 1, characterized in that: The fixing plate (701) is welded to the right side of the upper mold (3), and the side plate (702), the placement plate (703) and the cooling box (704) are snap-fitted and connected.

6. The hot extrusion cemented carbide manifold die according to claim 1, characterized in that: The cooling box (704) and the lower mold (1) are fixedly installed by bolts, and the blower (707) and the cooling box (704) are fixedly installed by a bracket.

7. The hot extrusion cemented carbide manifold die according to claim 1, characterized in that: The air outlet cover (705) penetrates the inner side of the cooling box (704), the side plate (702) and the placement plate (703) are provided with water filtering holes, and the cooling box (704) is provided with a drainage pipe.

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