Single-side double-feeding electromagnetic pump casting mold
By adopting a single-sided double-feed design and an independent discharge channel in the electromagnetic pump casting mold, the problems of uneven feeding and poor venting were solved, and high-quality casting of finished products was achieved.
Patent Information
- Application Number
- CN202520501434.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-21
- Publication Date
- 2026-02-06
- Estimated Expiration
- 2035-03-21
AI Technical Summary
The existing electromagnetic pump casting mold has insufficient flow rate at the oil inlet and sealing mounting hole, resulting in insufficient material filling and porosity in the finished product.
The electromagnetic pump casting mold adopts a single-sided dual-feed design. By setting a first feed port and a second feed port on the base, which are connected to the first feed channel and the second feed channel respectively, combined with an independent discharge channel design, uniform feeding and smooth venting are ensured.
It achieves full feeding of oil inlet and sealing installation hole, no porosity in finished product, smooth venting, and smooth surface of outer shell mounting part without porosity, thus improving casting quality.
Smart Images

Figure CN223876055U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to a casting mould, in particular to a single-sided double-feeding electromagnetic pump casting mould. BACKGROUND
[0002] The electromagnetic pump is composed of a pump body and a pump shell, a shell fixing screw hole is arranged on the shell mounting portion of the pump body for fastening connection with the pump shell, a base fixing screw hole is arranged on the base of the pump body for installation of the electromagnetic pump, the pump body is further provided with an oil inlet, an exhaust screw mounting hole, an exhaust hole, a sealing mounting hole and the like, and the pump body is provided with hole positions on five surfaces, when feeding from the shell mounting portion of the pump body, the flow rate at the oil inlet and the sealing mounting hole is not enough, the feeding is not full, and the finished product has air holes. CONTENT OF THE UTILITY MODEL
[0003] In view of the technical problems in the background art, the utility model aims to provide a single-sided double-feeding electromagnetic pump casting mould, which feeds from a first feeding port and a second feeding port of a base portion and discharges from the base portion, an exhaust screw mounting hole and a shell mounting portion, and the finished product has no air holes.
[0004] To solve the above technical problems, the utility model adopts the following technical scheme: the single-sided double-feeding electromagnetic pump casting mould comprises a top mould, a bottom mould, a side mould and a core mould, the top mould, the bottom mould, the side mould and the core mould form a die casting chamber, the die casting chamber comprises a forming chamber, a main feeding flow channel, a first feeding port, a second feeding port, a first discharging port and a second discharging port, the forming chamber comprises a base portion, a shell mounting portion, an oil inlet and an exhaust screw mounting hole, the base portion, the shell mounting portion and the exhaust screw mounting hole are arranged around the oil inlet, the base portion and the shell mounting portion are oppositely arranged, the main feeding flow channel is connected with a first feeding flow channel and a second feeding flow channel, the first feeding port is connected with the first feeding flow channel, the second feeding port is arranged on the base portion together with the first feeding port, the second feeding port is connected with the second feeding flow channel, the first discharging port is arranged at the exhaust screw mounting hole, the first discharging port is connected with a first discharging flow channel, and the second discharging port is arranged at the shell mounting portion.
[0005] In this scheme, the first feeding port and the second feeding port are arranged on the base portion together, the feeding of the oil inlet and the sealing mounting hole is full, and the finished product has no air holes.
[0006] Preferably, the die casting chamber further comprises a fourth discharging port, the second discharging port is arranged on one side of the shell mounting portion close to the exhaust screw mounting hole, and the fourth discharging port is arranged on one side of the shell mounting portion away from the exhaust screw mounting hole.
[0007] In this scheme, the shell mounting portion is provided with discharging ports, the exhaust is smooth, and the surface of the shell mounting portion is smooth and has no air holes.
[0008] Preferably, the first feeding port and the second feeding port are arranged on the same side of the base portion.
[0009] In this scheme, the first feeding port and the second feeding port are arranged on the same side, the feeding distance is the same, and the oil inlet and the sealing mounting hole are uniformly fed.
[0010] Preferably, the exhaust screw mounting port is located on the right side of the oil inlet, the shell mounting portion is in the shape of an I-beam as a whole, the shell mounting portion is provided with an oil outlet in the middle, the shell mounting portion is provided with shell fixing screw mounting ports at four corners, the shell mounting portion includes a left connecting segment and a right connecting segment, the left connecting segment and the right connecting segment are used to connect the shell fixing screw mounting ports at the four corners of the shell mounting portion and the oil outlet, the right connecting segment is provided with a second discharge port and a third discharge port at the upper and lower ends, the second discharge port is connected with a second discharge flow channel, the third discharge port is connected with a third discharge flow channel, the second discharge flow channel and the third discharge flow channel are independent of each other, the end of the second discharge flow channel is parallel to the end of the third discharge flow channel, and the fourth discharge port is arranged in the middle of the left connecting segment and connected with a fourth discharge flow channel.
[0011] In this scheme, the second discharge port, the third discharge port and the fourth discharge port are arranged to fully exhaust the shell mounting portion, the second discharge flow channel and the third discharge flow channel are independent of each other, so as to avoid gas backflow and poor exhaust.
[0012] Preferably, the base portion is in the shape of a straight line as a whole, the base portion is provided with base fixing screw ports at the left and right sides, the base portion is provided with a base main body in the middle, the base main body is provided with reinforcing ribs at the upper and lower sides, and the first feeding port and the second feeding port are arranged on the upper side of the base main body and on the left and right sides of the reinforcing ribs.
[0013] In this scheme, the first feeding port is arranged on the base main body, which is closer to the oil inlet and the sealing mounting hole than the base fixing screw port, so as to ensure full feeding.
[0014] Preferably, the side mold includes a front mold and a rear mold, the oil inlet is arranged on the top mold, the base portion is composed of the top mold, the bottom mold and the front mold, the shell mounting portion is composed of the top mold, the bottom mold and the rear mold, and the exhaust screw mounting port is composed of the top mold and the bottom mold, the side mold is located between the top mold and the bottom mold during casting, and the front mold and the rear mold are arranged by moving forward and backward.
[0015] In this scheme, the front mold and the rear mold avoid interfering with the demolding of the finished product.
[0016] Preferably, the back die is provided with an oil outlet core die, and the oil outlet core die is internally provided with a cooling water pipe.
[0017] In this scheme, the cooling water pipe cools the material of the oil outlet, avoids sticking and drawing of the die, and ensures the smoothness of the finished product.
[0018] The first feeding port and the second feeding port are arranged on the base part, air exhaust is smooth, the feeding of the oil inlet and the sealing mounting hole is full, and the finished product is free of air holes; the second discharging flow channel and the third discharging flow channel are independent of each other, air backflow is avoided, and air exhaust is smooth. BRIEF DESCRIPTION OF DRAWINGS
[0019] The related details and working principles of the embodiments of the present application are described below in combination with the drawings.
[0020] Figure 1 It is a schematic diagram of the three-dimensional structure of the present application.
[0021] Figure 2 It is a schematic diagram of the three-dimensional structure of the top die in the present application.
[0022] Figure 3 It is a schematic diagram of the three-dimensional structure of the front die in the present application.
[0023] Figure 4 It is a schematic diagram of the three-dimensional structure of the back die in the present application.
[0024] Figure 5 It is a schematic diagram of the three-dimensional structure of the oil outlet core die in the present application.
[0025] Figure 6 It is a schematic diagram of the three-dimensional structure of the cooling water pipe in the present application.
[0026] Figure 7 It is a schematic diagram of the three-dimensional structure of the bottom die in the present application.
[0027] Figure 8 It is a schematic diagram of the three-dimensional structure of the finished product in the present application.
[0028] In the figure: 1, top die; 2, bottom die; 3, side die; 4, base part; 5, shell mounting part; 6, oil inlet; 7, exhaust screw mounting port; 8, main feed flow channel; 9, first feed flow channel; 10, second feed flow channel; 11, first discharge flow channel; 12, second discharge flow channel; 13, oil outlet; 14, shell fixing screw mounting port; 15, exhaust hole; 16, sealing mounting hole; 17, third discharge flow channel; 18, fourth discharge flow channel; 20, base fixing screw port; 21, base body; 22, reinforcing rib; 23, front die; 24, rear die; 25, oil outlet core die; 26, cooling water pipe. DETAILED DESCRIPTION
[0029] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.
[0030] In the description of the present application, it should be understood that the terms "upper", "lower", etc. indicate the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application.
[0031] In the description of the present application, the terms "first", "second", etc. are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the technical features indicated.
[0032] Referring to the drawings Figures 1-8In an embodiment of the present embodiment, a one-sided double-feed electromagnetic pump casting mold includes a top mold 1, a bottom mold 2, a side mold 3, and a core mold. The top mold 1, the bottom mold 2, the side mold 3, and the core mold form a die casting chamber, which includes a forming chamber, a main feed flow channel 8, a first feed port, a second feed port, a first discharge port, a second discharge port, and a fourth discharge port. The forming chamber includes a base portion 4, a shell mounting portion 5, an oil inlet 6, and an exhaust screw mounting port 7. The base portion 4, the shell mounting portion 5, and the exhaust screw mounting port 7 are arranged around the oil inlet 6. The base portion 4 and the shell mounting portion 5 are arranged oppositely. The main feed flow channel 8 is connected with a first feed flow channel 9 and a second feed flow channel 10. The first feed port is connected with the first feed flow channel 9. The base portion 4 is in a linear shape as a whole. The base portion 4 is provided with base fixing screw ports 20 on left and right sides thereof. A base main body 21 is arranged in the middle of the base portion 4. The base main body 21 is provided with reinforcing ribs 22 on upper and lower sides thereof. The first feed port and the second feed port are arranged on the upper side of the base main body 21 and on left and right sides of the reinforcing ribs 22. The second feed port is connected with the second feed flow channel 10. The first discharge port is arranged at the exhaust screw mounting port 7. The first discharge port is connected with a first discharge flow channel 11. The second discharge port is arranged on a side of the shell mounting portion 5 close to the exhaust screw mounting port 7. The fourth discharge port is arranged on a side of the shell mounting portion 5 away from the exhaust screw mounting port 7. The side mold 3 includes a front mold 23 and a rear mold 24. The oil inlet 6 is arranged on the top mold 1. The base portion 4 is composed of the top mold 1, the bottom mold 2, and the front mold 23. The shell mounting portion 5 is composed of the top mold 1, the bottom mold 2, and the rear mold 24. The exhaust screw mounting port 7 is composed of the top mold 1 and the bottom mold 2. During casting, the side mold 3 is located between the top mold 1 and the bottom mold 2. The front mold 23 and the rear mold 24 are arranged to move forward and backward. The rear mold 24 is provided with an oil outlet core mold 25. The oil outlet core mold 25 is internally provided with a cooling water pipe 26.
[0033] In the present embodiment, the sealing mounting hole 16 is located on the back of the pump body oil inlet 6 and is arranged on the bottom mold 2. The exhaust hole 15 is arranged on one side of the exhaust screw mounting port 7. Each hole position is provided with a corresponding core mold. The material flows into the forming chamber from the first feed port and the second feed port through the main feed flow channel 8 and flows out of the forming chamber from the first discharge port, the second discharge port, and the like. The gas is also discharged from the forming chamber from the first discharge port, the second discharge port, and the like. During demolding, the top mold 1 rises, the front mold 23 moves forward, the rear mold 24 moves backward, and the ejector pin of the bottom mold 2 acts to eject the finished product. The cooling water pipe 26 internally arranged in the oil outlet core mold 25 cools the material of the oil outlet 13, avoids sticking and pulling the mold, and ensures the finish of the finished product. The base main body 21 is provided with a groove for arranging an identifier.
[0034] Referring to the drawingsFigures 2-7 The exhaust screw mounting hole 7 is located at the right side of the oil inlet 6, the shell mounting part 5 is in the shape of an I, the middle part of the shell mounting part 5 is provided with an oil outlet 13, the four corners of the shell mounting part 5 are provided with shell fixing screw mounting holes 14, the shell mounting part 5 comprises a left connecting section and a right connecting section, the left connecting section and the right connecting section are used for connecting the shell fixing screw mounting holes 14 and the oil outlet 13 at the four corners of the shell mounting part 5, the upper and lower ends of the right connecting section are provided with a second discharge port and a third discharge port, the second discharge port is connected with a second discharge flow channel 12, the third discharge port is connected with a third discharge flow channel 17, the second discharge flow channel 12 and the third discharge flow channel 17 are independent of each other, the end of the second discharge flow channel 12 is parallel to the end of the third discharge flow channel 17, and the fourth discharge port is arranged in the middle part of the left connecting section and connected with a fourth discharge flow channel 18.
[0035] In the embodiment, the discharge flow channels are independent of each other, so that the gas discharged from one discharge flow channel cannot return to the forming chamber through another discharge flow channel, the shell mounting part 5 is discharged from both sides, the exhaust is smooth, and the surface of the finished shell mounting part is smooth.
[0036] The above is the preferred embodiment of the present application, and it should be pointed out that the protection scope of the present application is not limited to this. For those skilled in the art, under the premise of not departing from the technical range disclosed in the present application, many improvements, decorations or equivalent replacements can be made, which are also regarded as the protection scope of the present application.
Claims
1. A single-sided double-feed electromagnetic pump casting mold characterized by: The die-casting cavity is composed of a top die (1), a bottom die (2), a side die (3) and a core die, and comprises The forming cavity comprises a base portion (4), a shell mounting portion (5), an oil inlet (6) and an exhaust screw mounting port (7), the base portion (4), the shell mounting portion (5) and the exhaust screw mounting port (7) are arranged around the oil inlet (6), and the base portion (4) and the shell mounting portion (5) are oppositely arranged; A first feeding flow channel (9) and a second feeding flow channel (10) are connected to the feeding main flow channel (8); The first feeding port is connected to the first feeding flow channel (9); The second feeding port is arranged on the base portion (4) together with the first feeding port, and is connected to the second feeding flow channel (10); The first discharging port is arranged at the exhaust screw mounting port (7), and is connected to a first discharging flow channel (11); The second discharging port is arranged at the shell mounting portion (5).
2. A single-sided double-feeding electromagnetic pump casting mold according to claim 1, characterized in that: The die-casting cavity further comprises a fourth discharging port, the second discharging port is arranged at one side of the shell mounting portion (5) close to the exhaust screw mounting port (7), and the fourth discharging port is arranged at one side of the shell mounting portion (5) away from the exhaust screw mounting port (7).
3. A single-sided double-feeding electromagnetic pump casting mold according to claim 1, characterized in that: The first feeding port and the second feeding port are arranged together at one side of the base portion (4) close to the oil inlet (6).
4. A single-sided double-feeding electromagnetic pump casting mold according to claim 2, characterized in that: The exhaust screw mounting port (7) is located at the right side of the oil inlet (6), the shell mounting portion (5) is in the shape of an I-beam as a whole, the shell mounting portion (5) is provided with an oil outlet (13) in the middle portion, the shell mounting portion (5) is provided with shell fixing screw mounting ports (14) at four corners, the shell mounting portion (5) comprises a left connecting section and a right connecting section, the left connecting section and the right connecting section are used for connecting the shell fixing screw mounting ports (14) and the oil outlet (13) at the four corners of the shell mounting portion (5), the right connecting section is provided with a second discharging port and a third discharging port at the upper end and the lower end, the second discharging port is connected to a second discharging flow channel (12), the third discharging port is connected to a third discharging flow channel (17), the second discharging flow channel (12) and the third discharging flow channel (17) are independent of each other, the end of the second discharging flow channel (12) is parallel to the end of the third discharging flow channel (17), and the fourth discharging port is arranged in the middle portion of the left connecting section and is connected to a fourth discharging flow channel (18).
5. A single-sided double-feeding electromagnetic pump casting mold according to claim 3, characterized in that: The base portion (4) is in the shape of a straight line as a whole, the base portion (4) is provided with base fixing screw ports (20) at the left side and the right side, the middle portion of the base portion (4) is a base main body (21), the base main body (21) is provided with reinforcing ribs (22) at the upper side and the lower side, and the first feeding port and the second feeding port are arranged at the upper side of the base main body (21) and at the left side and the right side of the reinforcing ribs (22).
6. A single-sided double-feeding electromagnetic pump casting mold according to claim 1, characterized in that: The side mold (3) comprises a front mold (23) and a rear mold (24), the oil inlet (6) is arranged on the top mold (1), the base part (4) is composed of the top mold (1), the bottom mold (2) and the front mold (23), the shell mounting part (5) is composed of the top mold (1), the bottom mold (2) and the rear mold (24), the exhaust screw mounting hole (7) is composed of the top mold (1) and the bottom mold (2), the side mold (3) is located between the top mold (1) and the bottom mold (2) during casting, and the front mold (23) and the rear mold (24) are arranged in front and back movement.
7. A single-sided double-feeding electromagnetic pump casting mold according to claim 6, characterized in that: The rear mold (24) is provided with an oil outlet core mold (25), and the oil outlet core mold (25) is internally provided with a cooling water pipe (26).