Metal die with stretching mechanism

Abstract

The utility model discloses a metal die with a stretching mechanism, which relates to the technical field of dies, aims to solve the technical problems of non-uniform cooling and low efficiency of the current metal die, and comprises a die main body for metal die-casting formation, and a driving component is arranged at the other end of the die main body. According to the utility model, the plurality of heat dissipation channels are uniformly arranged on the side of the die-casting forming cavity to uniformly cool the die-casting forming cavity after die casting, and the negative pressure suction mechanism flows outside natural air in the heat dissipation channels through the driving assembly, so that a cooling effect is achieved through heat exchange; the flowing mode serves as a negative pressure suction effect, compared with conventional air, the flowing rate of cold air is high, the cooling efficiency is high, the cooling mode is only that external natural temperature air exchanges heat with the mold body, and heated air is directly discharged out of the negative pressure suction mechanism after cooling treatment is finished; and hot air in the negative pressure suction mechanism does not need to be retreated, and the cooling treatment energy consumption is low.

Description

Technical Field

[0001] The utility model relates to the technical field of molds, and more particularly to a metal mold with a stretching mechanism. Background Art

[0002] Metal molds play a crucial role in modern industrial production. They are key tools for manufacturing a wide range of metal products and are widely used in numerous fields, including automotive, electronics, aerospace, and machinery manufacturing. The quality and performance of metal molds directly impact product precision, quality, and production efficiency.

[0003] The existing air cooling to cool the metal mold mainly relies on the natural flow of air, which has slow cooling efficiency and low cooling efficiency. In addition, the cooling process through coolant circulation also requires cooling the heated coolant, which requires high operating energy consumption. Therefore, how to propose a metal mold with uniform cooling efficiency and high cooling efficiency is particularly important. In view of this, we propose a metal mold with a stretching mechanism. Utility Model Content

[0004] The purpose of the utility model is to overcome the deficiencies of the prior art, meet practical needs, and provide a metal mold with a stretching mechanism to solve the technical problems of uneven cooling and low efficiency of current metal molds.

[0005] In order to solve the above technical problems, the present invention provides the following technical solutions: a metal mold with a stretching mechanism, comprising a mold body for metal die-casting, a driving component is provided at the other end of the mold body; a negative pressure suction mechanism is provided on the driving component; the mold body comprises a lower mold and an upper mold arranged at the upper end of the lower mold, and the inner wall gap between the lower mold and the upper mold in the mold closing state constitutes a die-casting molding cavity, and a heat dissipation channel is provided on the side of the die-casting molding cavity relative to the lower mold and the upper mold, wherein the heat dissipation channel input end is located on the lower mold, and the heat dissipation channel output end is located on the upper mold; the inner wall gap of the negative pressure suction mechanism constitutes a suction cavity; wherein the suction cavity is connected to the heat dissipation channel output end; wherein the return drive of the driving component causes the negative pressure suction mechanism to stretch and expand to form a negative pressure suction heat dissipation structure.

[0006] The utility model evenly cools the die-casting cavity after die-casting by evenly arranging a number of heat dissipation channels on the sides of the die-casting cavity, and drives the negative pressure suction mechanism to flow the external natural air in the heat dissipation channel through the driving component, and forms a cooling effect through heat exchange. This flow mode serves as a negative pressure suction effect, and has a high air flow rate and high cooling efficiency relative to conventional air-cooled air. Moreover, this cooling mode only exchanges heat between the external natural temperature air and the mold body. When the cooling process is completed, the heated air is directly discharged into the negative pressure suction mechanism, and there is no need to reprocess the hot air in the negative pressure suction mechanism, and its cooling process energy consumption is low.

[0007] Preferably, the driving assembly includes a plurality of guide columns arranged on the sides of the upper mold; a force-bearing seat is fixedly provided at the end of the guide column; a main driving ring frame is provided on both sides of the guide column; wherein, a plurality of hinge joints are provided in a ring shape with equal intervals on the inside of the main driving ring frame; and, one of the main driving ring frames relatively close to the upper mold is fixedly connected to the guide column; and the other main driving ring frame relatively far away from the upper mold is slidingly connected to the guide column; a push rod is fixedly provided on the force-bearing seat.

[0008] Preferably, the negative pressure suction mechanism includes a stretching negative pressure forming component and a one-way communication mechanism arranged at the end of the stretching negative pressure forming component.

[0009] Preferably, the stretching negative pressure forming assembly includes a suction bag body arranged in the main driving ring frame; a plurality of connecting hinges are arranged in a circular shape at equal intervals on the outer surface of the suction bag body; the connecting hinges are connected by a plurality of stretching arm assemblies arranged along the axial direction of the suction bag body; the stretching arm assembly includes a main connecting arm hingedly connected to the hinge head and a sub-connecting arm hingedly connected to the plurality of connecting hinges; wherein, the plurality of sub-connecting arms are movably connected to the two main connecting arms; a plurality of sliding frames are intermittently arranged on the guide column along the axial direction of the suction bag body; and the sliding frame is hingedly connected to the sub-connecting arm.

[0010] Preferably, the one-way connecting mechanism includes a fixing frame fixed to the end of the suction bag; a plurality of rotating grooves are arranged in a circular shape with equal intervals on the surface of the fixing frame; a rotating eccentric seat is arranged for transmission in the rotating groove; a movable fan leaf is arranged inside the rotating eccentric seat; an auxiliary frame is fixed to the movable end of the push rod; a connecting shaft is hingedly provided at the forked end of the auxiliary frame, and the connecting shaft is connected to the rotating eccentric seat via a connecting shaft.

[0011] Preferably, the movable fan leaf is fan-shaped, and the push rod returns to work, causing the auxiliary frame to drive the connecting shaft to rotate the eccentric seat, causing the movable fan leaf to rotate closed and / or open to form a control switch for the opening and closing of the rotating slot.

[0012] Compared with the prior art, the beneficial effects of the present invention are:

[0013] 1. The utility model evenly arranges a number of heat dissipation channels on the side of the die-casting molding cavity to achieve the required uniform cooling of the die-casting molding cavity after die-casting, and drives the negative pressure suction mechanism to flow the external natural air in the heat dissipation channel through the driving component, and forms a cooling effect through heat exchange. This flow mode is a negative pressure suction effect, and the air flow rate is high compared with conventional air cooling, and the cooling efficiency is high. Moreover, this cooling mode only exchanges heat between the external natural temperature air and the mold body. When the cooling process is completed, the heated air is directly discharged into the negative pressure suction mechanism, and there is no need to reprocess the hot air in the negative pressure suction mechanism, and its cooling process energy consumption is low.

[0014] 2. The utility model causes one of the main drive ring frames to slide and move by the push rod's return stroke to form a stretching and compressing movement on the entire negative pressure suction mechanism, and through this movement, the operation required for negative pressure suction of the air in the heat dissipation channel is achieved.

[0015] 3. The utility model is based on the push rod return stroke operation. During the stroke operation, the push rod synchronously drags the auxiliary frame and the connecting shaft to cause the rotating eccentric seat to expand, and the movable fan leaf is rotated and opened by the expanded rotating eccentric seat. During the compression process of the suction bag, the heated air in the suction bag can be discharged outward from the rotating groove, reducing the situation where the heated air is discharged from the input end of the heat dissipation channel to heat up the mold body. During the return stroke operation, the push rod synchronously drags the auxiliary frame and the connecting shaft to cause the rotating eccentric seat to close, causing the movable fan leaf to close the rotating groove. At the same time, the contact between the deflection protrusion of the rotating eccentric seat and the fixed frame is used to avoid excessive rotation of the rotating eccentric seat to form a gap between the movable fan leaf and the rotating groove.

[0016] 4. The utility model provides a fan-shaped structure for the movable fan blades, thereby increasing the opening and closing gap of the movable fan blades, effectively improving the rapid discharge of heated air. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a schematic diagram of the overall three-dimensional structure of the utility model;

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

[0019] Figure 3 For this utility model Figure 1 A schematic diagram of the partially enlarged structure at center A;

[0020] Figure 4 This is a schematic diagram of the disassembled structure of the one-way connecting mechanism of the utility model.

[0021] Description of the numbers in the figure:

[0022] 1. Mold body; 2. Driving assembly; 3. Negative pressure suction mechanism; 4. Tensile negative pressure forming assembly; 5. One-way communication mechanism;

[0023] 101, lower mold; 102, upper mold; 103, heat dissipation channel;

[0024] 201, guide column; 202, force bearing seat; 203, main drive ring frame; 2031, hinge joint; 204, push rod;

[0025] 401, suction bladder; 4011, connecting hinge; 402, stretching arm assembly; 4021, main connecting arm; 4022, sub-connecting arm; 403, sliding frame;

[0026] 501, fixed frame; 5011, rotating groove; 502, rotating eccentric seat; 503, movable fan blade; 504, auxiliary frame; 505, connecting shaft; DETAILED DESCRIPTION

[0027] like Figures 1 to 4 As shown, the utility model relates to a metal mold with a stretching mechanism, including a mold body 1 for metal die-casting, a drive component 2 is provided at the other end of the mold body 1; a negative pressure suction mechanism 3 is provided on the drive component 2; the mold body 1 includes a lower mold 101 and an upper mold 102 arranged at the upper end of the lower mold 101, and the inner wall gap between the lower mold 101 and the upper mold 102 in the mold closing state constitutes a die-casting molding cavity, and a heat dissipation channel 103 is provided on the side of the die-casting molding cavity relative to the lower mold 101 and the upper mold 102, wherein the input end of the heat dissipation channel 103 is located on the lower mold 101, and the output end of the heat dissipation channel 103 is located on the upper mold 102; the inner wall gap of the negative pressure suction mechanism 3 constitutes a suction cavity; wherein the suction cavity is connected with the output end of the heat dissipation channel 103; wherein the return drive of the drive component 2 causes the negative pressure suction mechanism 3 to stretch and expand to form a negative pressure suction heat dissipation structure. The utility model evenly cools the die-casting cavity after die-casting by evenly arranging a number of heat dissipation channels 103 on the sides of the die-casting cavity, and drives the negative pressure suction mechanism 3 to flow the external natural air in the heat dissipation channel 103 through the driving component 2, forming a cooling effect through heat exchange. This flow mode, as a negative pressure suction effect, has a high flow rate and high cooling efficiency compared to conventional air-cooled air. In addition, this cooling mode only involves heat exchange between the external natural temperature air and the mold body 1. When the cooling process is completed, the heated air is directly discharged into the negative pressure suction mechanism 3, and there is no need to reprocess the hot air in the negative pressure suction mechanism 3, and its cooling process energy consumption is low.

[0028] In an embodiment of the present invention, the drive assembly 2 includes a plurality of guide posts 201 arranged on the sides of the upper mold 102; a force-bearing seat 202 is fixedly mounted at the end of the guide post 201; a main drive ring frame 203 is mounted on both sides of the guide post 201; a plurality of hinge joints 2031 are arranged in a circular pattern and at equal intervals on the inner side of the main drive ring frame 203; one of the main drive ring frames 203 relatively close to the upper mold 102 is fixedly connected to the guide post 201; and the other main drive ring frame 203 relatively far from the upper mold 102 is slidably connected to the guide post 201; a push rod 204 is fixedly mounted on the force-bearing seat 202. In the present invention, the push rod 204 causes one of the main drive ring frames 203 to slide during the return stroke, thereby generating a tensile and compressive motion on the entire negative pressure suction mechanism 3, thereby generating the required operation for negative pressure suction of air within the heat dissipation channel 103.

[0029] In the embodiment of the present utility model, the negative pressure suction mechanism 3 includes a tensile negative pressure forming component 4 and a one-way communication mechanism 5 arranged at the end of the tensile negative pressure forming component 4 .

[0030] In the embodiment of the present invention, the tensile negative pressure forming assembly 4 includes a suction sac 401 arranged in the main drive ring frame 203; the outer surface of the suction sac 401 is annularly provided with a plurality of connecting hinges 4011 at equal intervals;

[0031] The connecting hinge 4011 is connected via a plurality of stretching arm assemblies 402 arranged axially along the suction sac 401. The stretching arm assemblies 402 include a main connecting arm 4021 hingedly connected to the hinge head 2031 and sub-connecting arms 4022 hingedly connected to the connecting hinges 4011. The sub-connecting arms 4022 are movably connected to the two main connecting arms 4021. A plurality of sliding frames 403 are intermittently arranged on the guide column 201 along the axial direction of the suction sac 401. The sliding frames 403 are hingedly connected to the sub-connecting arms 4022. The present invention hinges the main connecting arm 4021 and the sub-connecting arm 4022 to the hinge head 2031 and the connecting hinge 4011, respectively, so that the sliding frames 403 can be equidistantly stretched, expanded, or compressed. This connection allows the suction sac 401 connected to the connecting hinge 4011 to be compressed or expanded, thereby achieving the required negative pressure suction operation.

[0032] In an embodiment of the present utility model, the one-way connecting mechanism 5 includes a fixing frame 501 fixed to the end of the suction bag 401; the surface of the fixing frame 501 is provided with a plurality of rotating grooves 5011 in a circular shape and at equal intervals; a rotating eccentric seat 502 is provided for transmission in the rotating groove 5011; a movable fan leaf 503 is provided inside the rotating eccentric seat 502; an auxiliary frame 504 is fixedly provided at the movable end of the push rod 204; a connecting shaft 505 is hingedly provided at the forked end of the auxiliary frame 504, and the connecting shaft 505 is connected to the rotating eccentric seat 502 through the connecting shaft 505. The present invention is based on the return stroke operation of the push rod 204. During the stroke operation, the push rod 204 synchronously drags the auxiliary frame 504 and the connecting shaft 505 to cause the rotating eccentric seat 502 to expand, and the movable fan leaf 503 is rotated and opened by the expanded rotating eccentric seat 502. During the compression process of the suction bag 401, the heated air in the suction bag 401 can be discharged outward from the rotating groove 5011, thereby reducing the situation where the heated air is discharged from the input end of the heat dissipation channel 103 to heat up the mold body 1. During the return stroke operation, the push rod 204 synchronously drags the auxiliary frame 504 and the connecting shaft 505 to cause the rotating eccentric seat 502 to close, causing the movable fan leaf 503 to close the rotating groove 5011. At the same time, the rotating eccentric seat 502 is tilted to the protrusion and contacts with the fixed frame 501 to avoid excessive rotation of the rotating eccentric seat 502, which causes a gap to be formed between the movable fan leaf 503 and the rotating groove 5011.

[0033] In the embodiment of the present invention, the movable leaf 503 has a fan-shaped structure. During the return stroke of the push rod 204, the auxiliary frame 504 drives the connecting shaft 505 to rotate the rotating eccentric seat 502, causing the movable leaf 503 to rotate and / or open, thereby controlling the opening and closing of the rotating slot 5011. The fan-shaped structure of the movable leaf 503 in the present invention increases the clearance between the movable leaf 503 and the closing of the movable leaf, thereby effectively improving the rapid discharge of heated air.

[0034] The embodiments disclosed in the present invention are preferred embodiments, but are not limited to them. Ordinary technicians in this field can easily understand the spirit of the present invention based on the above embodiments and make different extensions and changes. As long as they do not deviate from the spirit of the present invention, they are all within the scope of protection of the present invention.

Claims

1. A metal mold with a stretching mechanism, characterized in that: It comprises a mold body (1) for metal die-casting, wherein a driving assembly (2) is provided at the other end of the mold body (1); a negative pressure suction mechanism (3) is provided on the driving assembly (2); The mold body (1) comprises a lower mold (101) and an upper mold (102) arranged at the upper end of the lower mold (101); the inner wall gap between the lower mold (101) and the upper mold (102) in the mold-clamping state forms a die-casting molding cavity; and a heat dissipation channel (103) is provided on the side of the die-casting molding cavity relative to the lower mold (101) and the upper mold (102); wherein the input end of the heat dissipation channel (103) is located on the lower mold (101), and the output end of the heat dissipation channel (103) is located on the upper mold (102); The inner wall gap of the negative pressure suction mechanism (3) forms a suction cavity; wherein the suction cavity is connected to the output end of the heat dissipation channel (103); The return drive of the driving component (2) causes the negative pressure suction mechanism (3) to stretch and expand to form a negative pressure suction heat dissipation structure.

2. The metal mold with a stretching mechanism according to claim 1, characterized in that: The driving assembly (2) comprises a plurality of guide posts (201) arranged on the sides of the upper mold (102); a force bearing seat (202) is fixedly provided at the end of the guide post (201); Main drive ring frames (203) are provided on both sides of the guide column (201); Wherein, a plurality of hinge joints (2031) are arranged in a circular shape at equal intervals on the inner side of the main driving ring frame (203); Furthermore, one main driving ring frame (203) relatively close to the upper mold (102) and the guide column (201) are fixedly connected; and the other main driving ring frame (203) relatively far from the upper mold (102) and the guide column (201) are slidably connected; A push rod (204) is fixedly arranged on the force bearing seat (202).

3. The metal mold with a stretching mechanism according to claim 2, characterized in that: The negative pressure suction mechanism (3) comprises a tensile negative pressure forming component (4) and a one-way communication mechanism (5) arranged at the end of the tensile negative pressure forming component (4).

4. The metal mold with a stretching mechanism according to claim 3, characterized in that: The tensile negative pressure forming component (4) comprises a suction sac (401) arranged in the main drive ring frame (203); the outer surface of the suction sac (401) is provided with a plurality of connecting hinges (4011) at equal intervals in a circular shape; The connecting hinge (4011) is connected via a plurality of stretching arm assemblies (402) arranged axially along the suction sac (401); The stretching arm assembly (402) comprises a main connecting arm (4021) hingedly connected to the hinged head (2031) and a sub-connecting arm (4022) hingedly connected to a plurality of the connecting hinges (4011); wherein the plurality of the sub-connecting arms (4022) are movably connected to the two main connecting arms (4021); A plurality of sliding frames (403) are intermittently arranged on the guide column (201) along the axial direction of the suction bag (401); and the sliding frames (403) are hingedly connected to the sub-connecting arm (4022).

5. The metal mold with a stretching mechanism according to claim 4, characterized in that: The one-way communication mechanism (5) comprises a fixing frame (501) fixed to the end of the suction bag (401); a plurality of rotating grooves (5011) are provided on the surface of the fixing frame (501) in an annular shape and at equal intervals; a rotating eccentric seat (502) is provided in the rotating groove (5011); and a movable fan leaf (503) is provided inside the rotating eccentric seat (502); An auxiliary frame (504) is fixedly provided at the movable end of the push rod (204); The forked end of the auxiliary frame (504) is hingedly provided with a connecting shaft (505), and the connecting shaft (505) is connected to the rotating eccentric seat (502) via the connecting shaft (505).

6. The metal mold with a stretching mechanism according to claim 5, characterized in that: The movable fan leaf (503) is fan-shaped, and the push rod (204) performs a return stroke, causing the auxiliary frame (504) to drive the connecting shaft (505) to rotate the rotating eccentric seat (502), causing the movable fan leaf (503) to rotate closed and / or opened to form a control switch for opening and closing the rotating slot (5011).

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