Circulating cooling die-casting die

Abstract

The utility model relates to the technical field of die-casting dies, and discloses a circulating cooling die-casting die which comprises a lower die and an upper die located above the lower die, a male die block is fixedly connected to the upper surface of the lower die, a female die block is fixedly connected to the lower surface of the upper die in an embedded mode, and a cooling mechanism is jointly arranged on the left side and the interior of the lower die. A cleaning mechanism is arranged on the front surface of the lower die; the cooling mechanism is arranged, a water pump in the cooling mechanism pumps out cold water in a water tank and conveys the cold water into a cooling pipe, the lower die is cooled through the cooling pipe, so that a die-casting product is cooled, the forming rate of the die-casting product is increased, a telescopic cylinder in the cleaning mechanism stretches out to enable two pieces of cleaning cotton to directly face a male die block and a female die block respectively, and the die-casting product is cleaned. The first motor drives the gear to rotate, the two pieces of cleaning cotton are driven by the rack to be attached to the male die block and the female die block, the second motor drives the cleaning cotton to rotate, and therefore the male die block and the female die block are cleaned, and residues on the surfaces of the male die block and the female die block are removed.

Description

TECHNICAL FIELD

[0001] The utility model relates to a die casting die technical field, concretely is a kind of die casting die of circulating cooling. BACKGROUND

[0002] Die casting die is a method of casting liquid die forging, a process completed on a dedicated die casting die forging machine, its basic process is: metal liquid is first low-speed or high-speed casting filling into the cavity of die, die has movable cavity surface, it is pressed forging along with the cooling process of metal liquid, both eliminate the shrinkage porosity defects of blank, also make the internal organization of blank reach the broken grain of forging state. The existing die casting die is not good at the heat dissipation effect of die in the process of use, so that embryo piece cannot be quickly cooled and formed, greatly reduce the processing efficiency of embryo piece.

[0003] Chinese patent discloses a kind of die casting die of circulating cooling (grant announcement number CN217551121U), the patent technology can be extracted to cooling liquid in water tank by circulating pump, and cooling liquid is injected into the S-shaped heat pipe inner cavity in the inner cavity of lower mounting plate and upper mounting plate by water injection pipe, cooling liquid is circulated by circulating pipe and flows back into water tank, the heat of embryo piece is carried away by circulating cooling liquid, one semiconductor refrigeration sheet is installed in the inner cavity of installation groove, one semiconductor refrigeration sheet can release cold quantity using the Peltier effect of semiconductor material, cold quantity is transferred to water tank by refrigeration platform, to realize the rapid cooling of cooling liquid, two semiconductor refrigeration sheets can directly transfer cold quantity to lower die seat and upper die seat by lower mounting plate and upper mounting plate using the Peltier effect of semiconductor material, the circulating cooling effect of die can be effectively improved by the cooperation of the two, the processing efficiency of embryo piece is improved;

[0004] However, it has certain disadvantages: in the die casting process, some material residues will be left on the surface of forming cavity (especially convex die block and concave die block), which will gradually accumulate and solidify, forming a difficult-to-remove dirt layer, which will directly affect the surface quality and precision of die casting products, for example, causing uneven surface, scratches or defects, thereby reducing the pass rate and overall quality of products;And the uneven layer formed by residual material on the surface of forming cavity will increase the friction between die and die casting material, thereby accelerating the wear of die, which not only shortens the service life of die, but also increases the cost and downtime of replacing die. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a kind of die casting die of circulating cooling to solve the problems raised in the above background.

[0006] To achieve the above object, the utility model provides the following technical scheme:

[0007] A circulating cooling die-casting mold, comprising a lower mold and an upper mold located above the lower mold, the upper surface of the lower mold is fixedly connected with a male mold module, the lower surface of the upper mold is embeddedly fixedly connected with a female mold module, and the left side and the inner side of the lower mold are jointly provided with a cooling mechanism;

[0008] The front surface of the lower mold is provided with a cleaning mechanism, the cleaning mechanism comprises an L-shaped plate, the front surface of the L-shaped plate is fixedly connected with a telescopic cylinder at the upper end, the output end of the telescopic cylinder is fixedly connected with a support frame, the rear end of the support frame is fixedly connected with a support frame, the front surface of the support frame is fixedly connected with a first motor at the inner side of the support frame, the output end of the first motor is fixedly connected with a gear, and the inner side of the support frame is provided with a cleaning piece on the left and right sides.

[0009] As a further scheme of the utility model: the cooling mechanism comprises a water tank and a plurality of cooling pipes arranged from front to back, the upper surface of the water tank is fixedly connected with a water pump, the water inlet end of the water pump is fixedly connected with a first water pipe, the water outlet end of the water pump is fixedly connected with a second water pipe, the left and right ends of the plurality of cooling pipes are jointly fixedly connected with a connecting pipe, and the right surface of the right connecting pipe is fixedly connected with a circulating pipe.

[0010] As a further scheme of the utility model: the cleaning piece comprises a support plate, one end of the side surface of the support plate close to the support frame is fixedly connected with a rack, and the other end of the side surface of the support plate close to the support frame is fixedly connected with a second motor, and the output end of the second motor is fixedly connected with cleaning cotton.

[0011] As a further scheme of the utility model: the rear end of the L-shaped plate is fixedly connected to the front surface of the lower mold, and the gear is located in the inner side of the support frame.

[0012] As a further scheme of the utility model: the water tank is located on the left side of the lower mold, the cooling pipes are connected to the inner side of the lower mold in a penetrating mode, the first water pipe is connected to the upper surface of the water tank in a penetrating mode, the second water pipe is fixedly connected to the left connecting pipe, the two connecting pipes are located on the left and right sides of the lower mold respectively, and the circulating pipe is connected to the upper surface of the water tank in a penetrating mode.

[0013] As a further scheme of the utility model: the two racks are slidably connected to the inner left and right side surfaces of the support frame respectively, and the two racks are engagedly connected to the gear.

[0014] Compared with the prior art, the utility model has the advantages that:

[0015] 1、The utility model discloses a cooling mechanism is provided with, the water pump in cooling mechanism draws out the cold water in the water tank and transports to the cooling pipe, and the lower mold is cooled through the cooling pipe, thereby cooling the die-casting product, and improving the forming rate.

[0016] 2. The utility model discloses a cleaning mechanism is provided with, and the telescopic cylinder of cleaning mechanism is stretched out and makes two cleaning cottons respectively face the male module and female module, and the first motor drives gear rotation, and through the rack respectively drives two cleaning cottons to adhere male module and female module, and the second motor drives cleaning cotton rotation to clean male module and female module, remove the residue on its surface, avoid the influence to the quality of next product. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is a kind of structure schematic diagram of the die casting die of circulating cooling;

[0018] Figure 2 It is a kind of partial sectional view of the die casting die of circulating cooling;

[0019] Figure 3 It is a kind of structure schematic diagram of cooling mechanism in the die casting die of circulating cooling;

[0020] Figure 4 It is a kind of structure schematic diagram of cleaning mechanism in the die casting die of circulating cooling;

[0021] Figure 5 It is a kind of structure schematic diagram of cleaning piece in the die casting die of circulating cooling.

[0022] In the drawing: 1, lower mould;2, upper mould;3, male module;4, female module;5, cooling mechanism;6, water tank;7, cooling pipe;8, water pump;9, first water pipe;10, second water pipe;11, connecting pipe;12, circulating pipe;13, cleaning mechanism;14, L-shaped plate;15, telescopic cylinder;16, support frame;17, support frame;18, first motor;19, gear;20, cleaning piece;21, support plate;22, rack;23, second motor;24, cleaning cotton. DETAILED DESCRIPTION

[0023] Please refer to Figure 1 And Figure 2 In the utility model embodiment, a kind of die casting die of circulating cooling, including lower mould 1 and being located in the upper mould 2 of lower mould 1, the upper surface of lower mould 1 is fixedly connected with male module 3, and the lower surface of upper mould 2 is embedded and fixedly connected with female module 4;

[0024] Casting liquid inlet hole is set in upper mould 2, and casting liquid inlet hole is communicated with the inside of female module 4;

[0025] Die casting product is formed between male module 3 and female module 4;

[0026] Upper mould 2 is connected to hydraulic equipment, and opens and closes mould under the driving of hydraulic equipment.

[0027] In Figure 1 And Figure 3The left side and the interior of the lower mold 1 are jointly provided with a cooling mechanism 5, the cooling mechanism 5 comprises a water tank 6 and a plurality of cooling pipes 7 arranged from front to back, the water tank 6 is located on the left side of the lower mold 1, the cooling pipes 7 are connected to the interior of the lower mold 1, the upper surface of the water tank 6 is fixedly connected with a water pump 8, the water inlet end of the water pump 8 is fixedly connected with a first water pipe 9, the first water pipe 9 is connected to the upper surface of the water tank 6, the water outlet end of the water pump 8 is fixedly connected with a second water pipe 10, the left and right ends of the plurality of cooling pipes 7 are fixedly connected with a connecting pipe 11, the second water pipe 10 is fixedly connected to the left connecting pipe 11, the two connecting pipes 11 are respectively located on the left and right sides of the lower mold 1, the right surface of the right connecting pipe 11 is fixedly connected with a circulating pipe 12, and the circulating pipe 12 is connected to the upper surface of the water tank 6;

[0028] The water pump 8 is used for pumping out the cold water in the water tank 6 and conveying the cold water into the cooling pipes 7 through the second water pipe 10 and the left connecting pipe 11, the water enters the circulating pipe 12 through the right connecting pipe 11 and finally flows back into the water tank 6;

[0029] The cold water in the cooling pipes 7 is used for cooling the lower mold 1, so as to accelerate the forming rate of the die casting product;

[0030] The material of the cooling pipes 7 is preferably a material with high thermal conductivity such as metal.

[0031] In Figure 1 , Figure 2 , Figure 4 and Figure 5 The front surface of the lower mold 1 is provided with a cleaning mechanism 13, the cleaning mechanism 13 comprises an L-shaped plate 14, the rear end of the L-shaped plate 14 is fixedly connected to the front surface of the lower mold 1, the front surface of the L-shaped plate 14 is fixedly connected with a telescopic cylinder 15, the output end of the telescopic cylinder 15 is fixedly connected with a support frame 16, the rear end of the support frame 16 is fixedly connected with a support frame 17, the front surface of the support frame 17 is fixedly connected with a first motor 18 on the inner side of the support frame 16, the output end of the first motor 18 is fixedly connected with a gear 19, the gear 19 is located on the inner side of the support frame 17, the interior of the support frame 17 is provided with a cleaning piece 20 on the left and right sides, the cleaning piece 20 comprises a support plate 21, one end of the side surface of the support plate 21 close to the support frame 17 is fixedly connected with a rack 22, the two racks 22 are respectively slidably connected to the inner left and right side surfaces of the support frame 17, and the two racks 22 are all engagedly connected to the gear 19, the other end of the side surface of the support plate 21 close to the support frame 17 is fixedly connected with a second motor 23, and the output end of the second motor 23 is fixedly connected with a cleaning cotton 24;

[0032] The telescopic cylinder 15 is preferably an air cylinder;

[0033] After the upper mold 2 is opened, that is, away from the lower mold 1, the telescopic cylinder 15 is extended to drive the two cleaning cotts 24 to be opposite to the convex mold block 3 and the concave mold block 4, at this time, the lower cleaning cotton 24 is located above the convex mold block 3, and the upper cleaning cotton 24 is located below the concave mold block 4.

[0034] The first motor 18 is connected to a forward and reverse circuit, and is provided with a brake, that is, after power-off, the motor shaft cannot rotate;

[0035] The first motor 18 drives the gear 19 to rotate counterclockwise, drives the left rack 22 to move downward, drives the right rack 22 to move upward, so that the lower cleaning cotton 24 is attached to and extrudes the convex die 3, and the upper cleaning cotton 24 is attached to and extrudes the concave die 4;

[0036] The second motor 23 is used for driving the cleaning cotton 24 to rotate, so that the convex die 3 and the concave die 4 are cleaned, and the residues on the surfaces of the convex die 3 and the concave die 4 are cleaned.

[0037] The working principle of the utility model is as follows: when in use, the casting liquid enters between the convex die 3 and the concave die 4 through the casting liquid inlet hole; then the water pump 8 pumps out the cold water in the water tank 6 and delivers the cold water to the cooling pipe 7, so that the lower die 1 is cooled, and then the casting liquid is cooled, so that the casting liquid is quickly formed, then the cold water flows back to the inside of the water tank 6 through the circulating pipe 12; after the die casting product is formed, the upper die 2 rises away from the lower die 1, the staff takes out the product, the telescopic cylinder 15 extends and drives the supporting frame 17 to move backward, so that the lower cleaning cotton 24 is opposite to the convex die 3, and the upper cleaning cotton 24 is opposite to the concave die 4; then the first motor 18 drives the gear 19 to rotate counterclockwise, drives the left rack 22 to move downward, drives the right rack 22 to move upward, so that the lower cleaning cotton 24 is attached to and extrudes the convex die 3, and the upper cleaning cotton 24 is attached to and extrudes the concave die 4, the second motor 23 is started to drive the cleaning cotton 24 to rotate, so that the convex die 3 and the concave die 4 are cleaned, and the residues on the surfaces of the convex die 3 and the concave die 4 are cleaned.

[0038] The above is only a preferred specific implementation manner of the utility model, but the protection scope of the utility model is not limited to this, any person skilled in the art can make equivalent replacement or change according to the technical scheme and the utility model concept of the utility model within the technical range disclosed by the utility model, which should be covered in the protection scope of the utility model.

[0039] In the description of the utility model, it should be explained that, unless otherwise specifically defined and limited, the terms "mounting", "connection" and "connection" should be understood in a broad sense, for example, it can be fixed connection, or detachable connection, or integrally connected, it can be mechanical connection, or electrical connection, it can be directly connected, or indirectly connected through an intermediate medium, it can be the communication inside two elements. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

Claims

1. A circulating cooling die-casting mold, comprising a lower mold (1) and an upper mold (2) located above the lower mold (1), the upper surface of the lower mold (1) is fixedly connected with a male mold block (3), the lower surface of the upper mold (2) is embeddedly fixedly connected with a female mold block (4), and the left side and the inner part of the lower mold (1) are jointly provided with a cooling mechanism (5). characterized in that The front surface of the lower mold (1) is provided with a cleaning mechanism (13), the cleaning mechanism (13) comprises an L-shaped plate (14), the front surface of the L-shaped plate (14) is fixedly connected with a telescopic cylinder (15) at the upper end, the output end of the telescopic cylinder (15) is fixedly connected with a support frame (16), the rear end of the support frame (16) is fixedly connected with a support frame (17), the front surface of the support frame (17) is fixedly connected with a first motor (18) on the inner side of the support frame (16), the output end of the first motor (18) is fixedly connected with a gear (19), and the inner sides of the left and right sides of the support frame (17) are provided with cleaning pieces (20).

2. A cyclically cooled die-casting die according to claim 1, characterised in that, The cooling mechanism (5) comprises a water tank (6) and a plurality of cooling pipes (7) arranged from front to back, the upper surface of the water tank (6) is fixedly connected with a water pump (8), the water inlet end of the water pump (8) is fixedly connected with a first water pipe (9), the water outlet end of the water pump (8) is fixedly connected with a second water pipe (10), and the left and right ends of the plurality of cooling pipes (7) are jointly fixedly connected with connecting pipes (11), and the right side surface of the right connecting pipe (11) is fixedly connected with a circulating pipe (12).

3. A cyclically cooled die-casting die according to claim 1, characterised in that, The cleaning piece (20) comprises a support plate (21), the support plate (21) is fixedly connected with a rack (22) at one end of the side surface close to the support frame (17), and the support plate (21) is fixedly connected with a second motor (23) at the other end of the side surface close to the support frame (17), the output end of the second motor (23) is fixedly connected with cleaning cotton (24).

4. A cyclically cooled die-casting die according to claim 1, characterised in that, The rear end of the L-shaped plate (14) is fixedly connected to the front surface of the lower mold (1), and the gear (19) is located on the inner side of the support frame (17).

5. A cyclically cooled die-casting die according to claim 2, characterised in that, The water tank (6) is located on the left side of the lower mold (1), the cooling pipes (7) are connected through the inside of the lower mold (1), the first water pipe (9) is connected through the upper surface of the water tank (6), the second water pipe (10) is fixedly connected to the left connecting pipe (11), the two connecting pipes (11) are respectively located on the left and right sides of the lower mold (1), and the circulating pipe (12) is connected through the upper surface of the water tank (6).

6. A cyclically cooled die-casting die according to claim 3, characterised in that, The two racks (22) are respectively slidably connected to the inner left and right side surfaces of the support frame (17), and the two racks (22) are meshingly connected to the gear (19).

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