A molding injection mold for transformer frame

Abstract

The utility model discloses a forming injection mold for a transformer skeleton, a forming injection mold for a transformer skeleton, comprising a table, a cooling box is installed at the lower end of the table, a mold body is equidistantly screwed at the upper end of the table, an air cooling mechanism is installed at the upper end of the table, the air cooling mechanism is connected to a plurality of mold bodies, a clamping mechanism is installed at the upper end of the table, the lower end of the clamping mechanism is connected to a plurality of mold bodies, a refrigeration plate is installed at the bottom end of the inner cavity of the cooling box, compared with the existing technology, the utility model is convenient for initial heat dissipation cooling of the skeleton after injection molding is completed, convenient for the skeleton to fall off the mold cavity, avoids directly opening the lower mold and the upper mold, causing damage to the skeleton and excessive burrs, affecting product quality, and effectively improving the use effect.

Description

Technical Field

[0001] The utility model relates to the technical field of transformer frame injection molding, in particular to a transformer frame molding injection molding die. Background Art

[0002] The transformer skeleton is the main structural component of the transformer, especially the small transformer. As an important component of electronic products, it is widely used in today's society. The small transformer skeleton is traditionally produced by extrusion molding into an injection mold.

[0003] According to a transformer skeleton molding injection mold disclosed in patent number CN219055141U, in view of the problems that the existing transformer skeleton molding injection mold is not very convenient in terms of separation of the upper mold and the lower mold and demolding the transformer skeleton in the lower mold during use, and needs to be demolded manually, which may easily cause safety hazards and the demolding efficiency is low, the following scheme is proposed, including a base; and also including a demolding assembly, which specifically consists of a demolding pressure rod, a fixing plate, a column, a hollow column, an electric push rod, a transmission connector, an inlay block, a push rod and a spring.

[0004] Although the above technical solution can solve the problem of simply demolding the transformer frame without the need for workers to manually demold it, thus preventing safety hazards such as burns, when the frame is injection molded, the upper and lower molds are directly separated, and when it is not quickly cooled, it is easy to cause the injection-molded frame to be damaged or cause more burrs on the frame surface, resulting in poor actual use effect. Therefore, we provide a forming injection mold for a transformer frame to solve this problem. Utility Model Content

[0005] In order to overcome the above-mentioned shortcomings, the utility model aims to provide a technical solution of a transformer skeleton molding injection mold which can solve the above-mentioned problems.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a forming injection mold for a transformer skeleton, comprising a table plate, a cooling box is installed at the lower end of the table plate, legs are connected to the lower end of the cooling box, a mold body is equidistantly screwed at the upper end of the table plate, an air cooling mechanism is installed at the upper end of the table plate, one end of the air cooling mechanism passes through the cooling box and extends to its inner cavity, the air cooling mechanism is connected to a plurality of mold bodies, a clamping mechanism is installed at the upper end of the table plate, the lower end of the clamping mechanism is connected to a plurality of mold bodies, a refrigeration fin is installed at the bottom end of the inner cavity of the cooling box, a radiator matching the position of the refrigeration fin is installed at the lower end of the cooling box, a water injection pipe is installed at the outer side of the cooling box, a sealing cap is screwed at the outer side of the water injection pipe.

[0007] As a further solution of the utility model: the air cooling mechanism includes a suction fan, a support seat, an air duct, a connecting head and an air guide duct, the suction fan is installed at the upper end of the table, the support seat is installed on one side of the inner cavity of the cooling box, the air duct is installed in the inner cavity of the support seat, one side of the suction fan passes through the table and the cooling box through a conveying pipe and is connected to the air duct, connecting heads are equidistantly installed on the upper end of the air duct, and the upper ends of the connecting heads are connected to four air guide ducts, the air guide ducts, the connecting heads and the air ducts are ventilated, and every four air guide ducts are connected to one of the mold bodies.

[0008] As a further solution of the utility model: the mold body includes a lower mold, an upper mold, a heat dissipation groove, a heat dissipation chamber and heat dissipation fins. The outer side of the lower mold is installed with mounting sleeves all around, and the mounting sleeves are screwed to the table through bolts. The upper mold is arranged at the upper end of the lower mold, and heat dissipation grooves are equidistantly arranged on the outer sides of the lower mold and the upper mold. Heat dissipation chambers are arranged on the corresponding sides of the lower mold and the upper mold, and heat dissipation fins are equidistantly connected to the inner walls of the heat dissipation chambers. The lower end of the lower mold is connected to four air guide tubes, and the upper end of the upper mold is provided with through holes all around, and the upper end of the upper mold is connected to an injection molding tube.

[0009] As a further solution of the utility model: positioning grooves are arranged around the upper end of the lower mold, and the lower end of the upper mold is integrally connected with positioning pins plugged therein.

[0010] As a further solution of the utility model: a sealing groove is provided at the upper end of the lower mold, and a sealing strip clamped therewith is integrally connected to the lower end of the upper mold.

[0011] As a further solution of the utility model: the mold clamping mechanism includes a vertical rod, a top plate, a hydraulic cylinder, a support plate and a fixed frame, the two vertical rods are installed on the upper end of the table plate, the top plate is installed on the upper ends of the two vertical rods, the hydraulic cylinder is installed on the upper end of the top plate, the output end of the hydraulic cylinder passes through the top plate and is connected to the support plate, the lower end of the support plate is equidistantly connected to the fixed frame, and the lower ends of the multiple fixed frames are respectively connected to the multiple upper molds.

[0012] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0013] 1. The heat generated after injection molding is absorbed by multiple heat dissipation fins on the inner wall of the heat dissipation chamber in the lower mold and the upper mold, and quickly dissipated to the heat dissipation chamber, and the heat is dissipated through the through hole at the upper end of the upper mold, and the heat dissipation grooves on the outer sides of the lower mold and the upper mold are further quickly dissipated. At the same time, the cooling water is cooled by the refrigeration plate, and the air sucked by the suction fan is water-cooled and discharged into the heat dissipation chamber in the lower mold and the upper mold through the air cooling mechanism, which is convenient for rapid heat absorption and discharge, and is convenient for cooling the lower mold and the upper mold. After the skeleton after injection molding is subjected to rapid cooling, it is convenient to separate from the mold cavity of the lower mold and the upper mold after cold expansion and contraction, avoiding direct mold opening of the lower mold and the upper mold, causing damage to the skeleton and excessive burrs, affecting product quality, and effectively improving the use effect;

[0014] 2. The output end of the hydraulic cylinder drives the support plate and the fixed frame to move upward, so that the fixed frame can drive the upper mold away from the lower mold, realize automatic mold closing and mold opening, and improve work efficiency. By designing multiple mold bodies to cooperate with the mold closing mechanism, it is convenient to inject multiple sets of skeletons at one time, which effectively improves work efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the overall three-dimensional structure of the utility model;

[0016] Figure 2 It is a semi-sectioned three-dimensional structural schematic diagram of the cooling box of the utility model;

[0017] Figure 3 This is a schematic diagram of the three-dimensional structure of the mold body of the utility model;

[0018] Figure 4 This is a schematic diagram of the three-dimensional structure of the mold body of the utility model in cross-section;

[0019] Figure 5 The utility model Figure 4 The enlarged structural diagram of the device in part A;

[0020] Figure 6 The utility model Figure 4 The enlarged structural diagram of the device in part B;

[0021] Figure 7 It is a three-dimensional structural schematic diagram of the mold clamping mechanism of the utility model.

[0022] The reference numerals and names in the figures are as follows:

[0023] Table 1, cooling box 2, legs 3, mold body 4, lower mold 41, upper mold 42, mounting sleeve 43, injection tube 44, through hole 45, heat dissipation groove 46, positioning pin 47, positioning groove 48, heat dissipation chamber 410, heat dissipation fin 411, sealing strip 412, sealing groove 413, air cooling mechanism 5, suction fan 51, conveying pipe 52, support seat 53, air duct 54, connector 55, air guide pipe 56, mold clamping mechanism 6, vertical pole 61, top plate 62, hydraulic cylinder 63, support plate 64, fixing frame 65, water injection pipe 7, cooling plate 8, radiator 9. 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 1-7 A molding injection mold for a transformer skeleton comprises a platform 1, a cooling box 2 is installed at the lower end of the platform 1, legs 3 are connected to the lower end of the cooling box 2, a mold body 4 is equidistantly screwed to the upper end of the platform 1, the mold body 4 comprises a lower mold 41, an upper mold 42, a heat dissipation groove 46, a heat dissipation chamber 410 and heat dissipation fins 411, mounting sleeves 43 are installed on the outer side of the lower mold 41, the mounting sleeves 43 are screwed to the platform 1 through bolts, the upper mold 42 is arranged at the upper end of the lower mold 41, heat dissipation grooves 46 are equidistantly arranged on the outer sides of the lower mold 41 and the upper mold 42, heat dissipation chambers 410 are arranged on the corresponding sides of the lower mold 41 and the upper mold 42, heat dissipation fins 411 are equidistantly connected to the inner walls of the heat dissipation chambers 410, the lower end of the lower mold 41 is connected to four air guide pipes 56, through holes 45 are arranged on the upper end of the upper mold 42, and an injection tube 44 is connected to the upper end of the upper mold 42.

[0026] The heat generated after injection molding is absorbed by multiple heat dissipation fins 411 on the inner wall of the heat dissipation chamber 410 in the lower mold 41 and the upper mold 42, and quickly dissipated into the heat dissipation chamber 410, and the hot air is dissipated through the through hole 45 at the upper end of the upper mold 42, and the heat dissipation grooves 46 on the outer side of the lower mold 41 and the upper mold 42 are further used for rapid heat dissipation.

[0027] The upper end of the lower mold 41 is provided with positioning grooves 48 around the periphery, the lower end of the upper mold 42 is integrally connected with positioning pins 47 plugged therewith, the upper end of the lower mold 41 is provided with sealing grooves 413, and the lower end of the upper mold 42 is integrally connected with sealing strips 412 clamped therewith.

[0028] By plugging the locating pin 47 at the lower end of the upper mold 42 into the locating groove 48 at the upper end of the lower mold 41, the upper mold 42 and the lower mold 41 can be effectively stably clamped, and the firmness of the clamping can be effectively improved. The sealing strip 412 at the lower end of the upper mold 42 is inserted into the sealing groove 413 at the upper end of the lower mold 41, which can effectively and conveniently achieve a sealing clamping effect. The corresponding sides of the upper mold 42 and the lower mold 41 fit perfectly, thereby improving the firmness of the clamping and increasing the sealing performance.

[0029] A cooling fin 8 is installed at the bottom end of the inner cavity of the cooling box 2, a radiator 9 matching the position of the cooling fin 8 is installed at the lower end of the cooling box 2, a water injection pipe 7 is installed on the outer side of the cooling box 2, a sealing cap is screwed on the outer side of the water injection pipe 7, an air cooling mechanism 5 is installed on the upper end of the table 1, one end of the air cooling mechanism 5 passes through the cooling box 2 and extends to its inner cavity, the air cooling mechanism 5 is connected to a plurality of mold bodies 4, the air cooling mechanism 5 includes a suction fan 51, a support seat 53, an air duct 54, a connector 55 and an air guide pipe 56, the suction The fan 51 is installed at the upper end of the table 1, the support seat 53 is installed on one side of the inner cavity of the cooling box 2, and the air duct 54 is installed in the inner cavity of the support seat 53. One side of the suction fan 51 passes through the table 1 and the cooling box 2 through the conveying pipe 52 and is connected to the air duct 54. The upper end of the air duct 54 is equidistantly installed with a connector 55, and the upper end of the connector 55 is connected to four air ducts 56. The air duct 56, the connector 55 and the air duct 54 are ventilated, and every four air ducts 56 are connected to a mold body 4.

[0030] By turning on the switches of the radiator 9 and the cooling sheet 8, the water in the cooling box 2 is cooled down through the cooling sheet 8, and at the same time, the radiator 9 dissipates the heat generated by the cooling sheet 8. After turning on the suction fan 51, the suction fan 51 conveys the sucked air to the air duct 54 through the conveying pipe 52, and the air duct 54 discharges the air into the air guide pipe 56 through the connector 55, and then enters the heat dissipation chamber 410 in the lower mold 41 and the heat dissipation chamber 410 in the upper mold 42. During this period, since the air duct 54, the connector 55 and the air guide pipe 56 are all located in the cooling water, it is convenient to quickly cool the air in the inner cavity and discharge the cold air through the air guide pipe 56. Air is convenient for cold air to quickly absorb the heat in the heat dissipation chamber 410 and quickly dissipate it through the through hole 45, so as to absorb a large amount of hot air in the heat dissipation chamber 410, and through continuous cold air input, the heat in the heat dissipation chamber 410 is quickly dissipated, thereby facilitating the cooling of the lower mold 41 and the upper mold 42, and facilitating the skeleton injection molded in the mold cavity of the lower mold 41 and the upper mold 42 to expand and contract after being rapidly cooled, and then separate from the mold cavity of the lower mold 41 and the upper mold 42, so as to facilitate material removal and avoid directly opening the lower mold 41 and the upper mold 42, which may damage the skeleton and cause excessive burrs, thereby affecting product quality.

[0031] A clamping mechanism 6 is installed at the upper end of the table 1, and the lower end of the clamping mechanism 6 is connected to multiple mold bodies 4. The clamping mechanism 6 includes a vertical rod 61, a top plate 62, a hydraulic cylinder 63, a support plate 64 and a fixing frame 65. Two vertical rods 61 are installed at the upper end of the table 1, the top plate 62 is installed at the upper ends of the two vertical rods 61, the hydraulic cylinder 63 is installed at the upper end of the top plate 62, the output end of the hydraulic cylinder 63 passes through the top plate 62 and is connected to the support plate 64, the lower end of the support plate 64 is equidistantly connected to the fixing frame 65, and the lower ends of the multiple fixing frames 65 are respectively connected to multiple upper molds 42.

[0032] The output end of the hydraulic cylinder 63 drives the support plate 64 and the fixing frame 65 to move downward, and then the fixing frame 65 drives the upper mold 42 to move downward and quickly close the mold with the lower mold 41. After the injection molding is completed and the cooling and heat dissipation treatment is performed, the output end of the hydraulic cylinder 63 drives the support plate 64 and the fixing frame 65 to move upward, so that the fixing frame 65 drives the upper mold 42 away from the lower mold 41, realizing automatic mold closing and opening, which is convenient for improving work efficiency.

[0033] Working principle: The utility model is controllably connected with the suction fan 51, the hydraulic cylinder 63, the cooling plate 8 and the radiator 9 through an external controller. When in use, the sealing cap is unscrewed, water is injected into the cooling box 2 through the water injection pipe 7, and then the sealing cap is screwed on. The switches of the radiator 9 and the cooling plate 8 are turned on in advance, and then the water in the cooling box 2 is cooled down by the cooling plate 8, and at the same time, the radiator 9 dissipates the heat generated by the cooling plate 8. When the injection molding starts, the injection molding tube 44 is connected to the external injection molding machine, and then the support plate 64 and the fixing frame 65 are driven downward by the output end of the hydraulic cylinder 63, and then the fixing frame 65 drives the upper mold 42 to move downward and quickly move with the lower mold 41. The mold is closed to facilitate the injection molding machine to perform injection molding. When the injection molding is completed, the heat generated after the injection molding is absorbed by the multiple heat dissipation fins 411 on the inner wall of the heat dissipation chamber 410 in the lower mold 41 and the upper mold 42, and quickly dissipated to the heat dissipation chamber 410, and the hot air is dissipated through the through hole 45 at the upper end of the upper mold 42, and the heat dissipation grooves 46 on the outer sides of the lower mold 41 and the upper mold 42 are further quickly dissipated. By turning on the suction fan 51, the suction fan 51 transports the sucked air to the air duct 54 through the conveying pipe 52, and the air duct 54 discharges the air into the air guide pipe 56 through the connector 55, and then enters the heat dissipation chamber 410 in the lower mold 41 and the heat dissipation chamber 410 in the upper mold 42. The heat chamber 410, during this period, because the air duct 54, the connector 55 and the air guide pipe 56 are all located in the cooling water, it is convenient to quickly cool the air in the inner cavity, and convenient to discharge the cold air through the air guide pipe 56, so that the cold air can quickly absorb the heat in the heat dissipation chamber 410 and quickly dissipate it through the through hole 45, so as to absorb a large amount of hot air in the heat dissipation chamber 410, and through the continuous cold air input, it is convenient to quickly dissipate the heat in the heat dissipation chamber 410, so as to facilitate the cooling of the lower mold 41 and the upper mold 42, so that the skeletons injected in the mold cavities of the lower mold 41 and the upper mold 42 can be shrunk and shaped after being quickly cooled, and then combined with the lower mold 4 1 is separated from the mold cavity of the upper mold 42, avoiding direct mold opening of the lower mold 41 and the upper mold 42, causing damage to the skeleton and excessive burrs, affecting product quality, and facilitating subsequent clamping and material collection by a mechanical arm, facilitating automated operations, improving work efficiency, and improving work safety. After injection molding and cooling and heat dissipation treatment, the output end of the hydraulic cylinder 63 drives the support plate 64 and the fixing frame 65 to move upward, so that the fixing frame 65 drives the upper mold 42 away from the lower mold 41, realizing automated mold closing and opening, and facilitating improving work efficiency. By designing multiple mold bodies 4 to cooperate with the clamping mechanism 6, it is convenient to inject multiple groups of skeletons at one time, effectively improving work efficiency.

[0034] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

Claims

1. A transformer frame molding injection mold, characterized in that: The invention comprises a table plate (1), a cooling box (2) is installed at the lower end of the table plate (1), legs (3) are connected to the lower end of the cooling box (2), a mold body (4) is equidistantly screwed to the upper end of the table plate (1), an air cooling mechanism (5) is installed at the upper end of the table plate (1), one end of the air cooling mechanism (5) passes through the cooling box (2) and extends to the inner cavity thereof, the air cooling mechanism (5) is connected to a plurality of mold bodies (4), a mold clamping mechanism (6) is installed at the upper end of the table plate (1), the lower end of the mold clamping mechanism (6) is connected to a plurality of mold bodies (4), a cooling fin (8) is installed at the bottom end of the inner cavity of the cooling box (2), a radiator (9) matching the position of the cooling fin (8) is installed at the lower end of the cooling box (2), a water injection pipe (7) is installed on the outer side of the cooling box (2), a sealing cap is screwed to the outer side of the water injection pipe (7).

2. The injection mold for forming a transformer skeleton according to claim 1, characterized in that: The air cooling mechanism (5) comprises a suction fan (51), a support seat (53), an air duct (54), a connector (55) and an air guide pipe (56); the suction fan (51) is mounted on the upper end of the table (1); the support seat (53) is mounted on one side of the inner cavity of the cooling box (2); the air duct (54) is mounted in the inner cavity of the support seat (53); one side of the suction fan (51) passes through the table (1) and the cooling box (2) via a delivery pipe (52) and is then connected to the air duct (54); a connector (55) is equidistantly mounted on the upper end of the air duct (54); the upper end of each connector (55) is connected to four air guide pipes (56); the air guide pipes (56), the connector (55) and the air duct (54) are in communication with each other; and each of the four air guide pipes (56) is connected to one of the mold bodies (4).

3. The injection mold for forming a transformer skeleton according to claim 2, characterized in that: The mold body (4) comprises a lower mold (41), an upper mold (42), a heat dissipation groove (46), a heat dissipation chamber (410) and heat dissipation fins (411). The outer periphery of the lower mold (41) is provided with mounting sleeves (43), and the mounting sleeves (43) are screwed to the table (1) through bolts. The upper mold (42) is arranged at the upper end of the lower mold (41). The outer periphery of the lower mold (41) and the upper mold (42) are provided with heat dissipation grooves (46) at equal intervals. The corresponding sides of the lower mold (41) and the upper mold (42) are provided with heat dissipation chambers (410), and the inner walls of the heat dissipation chambers (410) are connected to heat dissipation fins (411) at equal intervals. The lower end of the lower mold (41) is connected to four air guide tubes (56). The upper end of the upper mold (42) is provided with through holes (45) at all peripheries, and the upper end of the upper mold (42) is connected to an injection molding tube (44).

4. The injection mold for forming a transformer skeleton according to claim 3, characterized in that: Positioning grooves (48) are arranged around the upper end of the lower mold (41), and positioning pins (47) are integrally connected to the lower end of the upper mold (42) and plugged therein.

5. The injection mold for forming a transformer skeleton according to claim 3, characterized in that: The upper end of the lower mold (41) is provided with a sealing groove (413), and the lower end of the upper mold (42) is integrally connected with a sealing strip (412) that is clipped thereto.

6. The injection mold for forming a transformer skeleton according to claim 3, characterized in that: The mold clamping mechanism (6) comprises a vertical rod (61), a top plate (62), a hydraulic cylinder (63), a support plate (64) and a fixed frame (65), wherein the two vertical rods (61) are mounted on the upper end of the table (1), the top plate (62) is mounted on the upper ends of the two vertical rods (61), the hydraulic cylinder (63) is mounted on the upper end of the top plate (62), the output end of the hydraulic cylinder (63) passes through the top plate (62) and is connected to the support plate (64), the lower end of the support plate (64) is equidistantly connected to the fixed frame (65), and the lower ends of the plurality of fixed frames (65) are respectively connected to the plurality of upper molds (42).

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