Gauge apron forming die with exhaust structure

By introducing an exhaust structure and ejector pin fixing system into the gauge baffle molding mold, the back pressure problem caused by gas compression during the injection molding process is solved, the feed rate and product quality are improved, and the operating efficiency and convenience of the mold are enhanced.

CN223419991UActive Publication Date: 2025-10-10CAVA CO LTD
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Patent Information

Application Number
CN202422683900.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-05
Publication Date
2025-10-10
Estimated Expiration
2034-11-05

AI Technical Summary

Technical Problem

In existing injection molds, gas compression during injection causes back pressure, slow material feeding, poor bonding of the rubber materials, and affects product quality.

Method used

A gauge baffle forming mold with an exhaust structure is designed. The upper and lower feed pipes are connected to the exhaust pipe to discharge the gas generated during the injection molding process, reducing the back pressure. The mold core is fixed by the ejector and slider to ensure the feed rate and product quality.

Benefits of technology

It effectively reduces the back pressure during the feeding process, improves the rubber bonding speed and product quality, and enhances the operating efficiency and convenience of the mold.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the field of injection molds, and discloses a gauge apron forming mold with an exhaust structure, which comprises an upper feeding pipe, the upper feeding pipe is arranged inside an injection molding machine main body, a lower feeding pipe is arranged inside the injection molding machine main body, and the top surface of the upper feeding pipe is fixedly communicated with an upper exhaust pipe. A lower exhaust pipe is fixedly communicated with the top surface of the lower feeding pipe, a first exhaust hole is formed in the top surface of the injection molding machine main body, a second exhaust hole is formed in one side of the injection molding machine main body, and an exhaust valve is arranged on one side of the injection molding machine main body. According to the device disclosed by the utility model, two raw materials needing to be processed are put into the upper feed port and the lower feed port by a worker, the raw materials finally enter the feed ports and then enter a mold to be molded, and gas generated in the device is exhausted through the upper exhaust pipe and the lower exhaust pipe which are communicated and fixed on the top surfaces of the upper feed pipe and the lower feed pipe; and the feeding speed is ensured, and the bonding speed of rubber materials is increased.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of injection mold, concretely is a rail gauge baffle forming die with exhaust structure. BACKGROUND

[0002] Rail gauge baffle is an important component in railway track system, it is a kind of facility installed on both sides of railway track, and the main function is to prevent train derailment. In the process of train operation, if the track gauge exceeds the standard value, it is easy to cause wheel derailment, thereby causing serious accident. Rail gauge baffle limits gauge, ensures that train travels in the safe track range, effectively prevents the occurrence of derailment accident.

[0003] The production of rail gauge baffle needs to use the corresponding mold, and the mold core is a crucial component in the mold, which is located in the central part of the mold and is the first contact place of product forming. In the production process of the mold, injection molding is needed first, and then the mold core is pushed out or the plastic part is pushed in.

[0004] When the common injection mechanism of today is injection molding, a small amount of gas enclosed in the mold can cause many problems, and the current production mold does not have exhaust at the distal end of the feed port. When the glue is injected, the gas is compressed and there is a back pressure, which causes slow feeding. At the same time, due to the hot mold, the front end of the glue is slowly extruded, which is easy to cause burning material, and the glue is combined due to the existence of pressure back pressure, which is not combined well. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a rail gauge baffle forming die with exhaust structure to solve the problem that when the glue is injected, the gas is compressed and there is a back pressure, which causes slow feeding and poor combination.

[0006] In order to realize the above-mentioned utility model purposes, the utility model adopts the following technical scheme: a rail gauge baffle forming die with exhaust structure, comprising an upper feeding pipe, the upper feeding pipe is arranged in the inside of injection molding machine body, the inside of injection molding machine body is provided with a lower feeding pipe, the top surface of upper feeding pipe is fixedly connected with an upper exhaust pipe in communication, the top surface of lower feeding pipe is fixedly connected with a lower exhaust pipe in communication, the top surface of injection molding machine body is provided with a first exhaust hole, one side of injection molding machine body is provided with a second exhaust hole, the upper exhaust pipe passes through the first exhaust hole, the lower exhaust pipe passes through the second exhaust hole, one side of injection molding machine body is provided with an exhaust valve, the exhaust valve is in communication with the upper exhaust pipe and the lower exhaust pipe.

[0007] Preferably, a lower mold fixing platform is provided inside the injection molding machine body, and an ejector support plate is provided inside the lower mold fixing platform, the top surface of the ejector support plate is threadedly connected to the ejector fixing plate, the top surface of the ejector fixing plate is connected to a plurality of ejectors, four reset rods are provided at the four corners of the top surface of the ejector fixing plate, the outer wall of one end of the reset rod protruding from the top surface of the ejector fixing plate is connected to a reset spring, the top surface of the ejector fixing plate is connected to the lower mold fixing plate through the reset rod, the upper end of the reset rod passes through the bottom surface of the lower mold fixing plate, the internal opening of the lower mold fixing plate is connected to the lower mold core, and the ejector passes through the ejector fixing plate, the lower mold fixing plate and the lower mold core.

[0008] Preferably, an upper mold fixing platform is arranged above the lower mold fixing platform, and the top surface of the upper mold fixing platform is connected to four guide pillars, and the bottom surface of the upper mold fixing platform is connected to the upper mold fixing plate through the guide pillars, and the internal opening of the upper mold fixing plate is connected to the upper mold core, and the upper mold core corresponds to the lower mold core, and the top surface of the upper mold fixing plate is connected to two pull rods, and the outer wall of one end of the pull rod protruding from the top surface of the upper mold fixing plate is connected to a spring, and two limiting holes are provided on the bottom surface of the upper mold fixing plate, and the pull rod passes through the limiting holes, and one end of the pull rod protruding from the top surface of the upper mold fixing plate passes through the bottom surface of the upper mold fixing platform, and the limiting hole is a countersunk hole structure.

[0009] Preferably, a sliding groove is provided on the bottom surface of the upper mold fixing plate, a slider is slidably provided inside the sliding groove, a limiting groove is provided on the top surface of the upper mold core, one side of the slider is connected to a limiting block, the limiting groove corresponds to the limiting block, the top surface of the slider is threadedly connected with a bolt, and the bolt is threadedly connected to the sliding groove.

[0010] Preferably, an upper feed port is provided on one side of the injection molding machine body, and a lower feed port is provided on one side of the injection molding machine body. An upper feed pipe is sleeved inside the upper feed port, and a lower feed pipe is sleeved inside the lower feed port. The upper feed pipe is connected to the upper feed pipe, and the lower feed pipe is connected to the lower feed pipe.

[0011] Preferably, a collecting table is provided inside the main body of the injection molding machine, and a merging pipe is connected to the top surface of the collecting table. The merging pipe is connected to the connection between the upper feed pipe and the lower feed pipe. A feed port is provided on the top surface of the upper mold fixing table, and the end of the merging pipe away from the upper feed pipe is connected to the feed port through a conduit.

[0012] Compared with the existing technology, the track gauge baffle forming die with an exhaust structure using the above technical solution has the following beneficial effects:

[0013] One, in use, the workers will need to process two raw materials into the upper inlet and lower inlet, at this time the raw materials will be in turn through the upper inlet pipe and upper inlet pipe, lower inlet pipe and lower inlet pipe, and finally in the connection of the upper inlet pipe and lower inlet pipe, then into the convergence pipe, and finally into the inlet into the mold to start molding, two raw materials in through the upper inlet pipe and lower inlet pipe, before entering the convergence pipe convergence, by the top surface of the upper inlet pipe and lower inlet pipe connected fixed upper exhaust pipe and lower exhaust pipe, and the upper exhaust pipe and lower exhaust pipe connected with the exhaust valve, the gas generated in the device is discharged, thereby reducing the back pressure generated by the gas compression, at this time the air pressure of the convergence position is small, thereby ensuring the rate of feeding, improving the bonding speed of the rubber;

[0014] Two, in use, by increasing the ejector pin in the mold at the distal end of the upper inlet and lower inlet, the lower die core is fixed, so that the deformation amount of the product is smaller during production, not only makes the back pressure after compression smaller, but also ensures the quality of each product output;

[0015] Three, in use, the upper die core in the upper die fixing plate is fixed and limited by the sliding block, preventing the upper die core from falling during operation, the plurality of ejector pins are lifted and protected by the ejector pin support plate, preventing the ejector pins from loosening or falling during operation, the entire lower die is conveniently reset by the reset rod and reset spring, improving the efficiency of the device operation, the entire mold is composed of multiple parts, facilitating disassembly and installation. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is a perspective view of the embodiment.

[0017] Figure 2 It is an internal sectional perspective view of the embodiment.

[0018] Figure 3 It is a split schematic view of the upper inlet pipe and the upper die fixing table of the embodiment.

[0019] Figure 4 It is a split schematic view of the lower die fixing table and the upper die fixing table of the embodiment.

[0020] Figure 5 It is a flip split schematic view of the mold fixing plate of the embodiment.

[0021] In the figure: 1. Injection molding machine body; 2. Upper feed pipe; 3. Lower feed pipe; 4. Upper exhaust pipe; 5. Lower exhaust pipe; 6. First exhaust hole; 7. Second exhaust hole; 8. Exhaust valve; 9. Lower mold fixing platform; 10. Ejector support plate; 11. Ejector fixing plate; 12. Ejector; 13. Reset rod; 14. Reset spring; 15. Lower mold fixing plate; 16. Lower mold core; 17. Upper mold fixing platform; 18. Guide pillar; 19. Upper mold fixing plate; 20. Upper mold core; 21. Pull rod; 22. Spring; 23. Limit hole; 24. Slide; 25. Slider; 26. Limit slot; 27. Limit block; 28. Bolt; 29. ​​Upper feed port; 30. Lower feed port; 31. Upper feed pipe; 32. Lower feed pipe; 33. Converging platform; 34. Converging pipe; 35. Feed port. DETAILED DESCRIPTION

[0022] The preferred embodiments of the present invention will be described in detail below with reference to the accompanying drawings.

[0023] like Figure 1 and Figure 2 As shown, a gauge baffle forming mold with an exhaust structure includes an upper feed pipe 2, which is arranged inside an injection molding machine body 1, and a lower feed pipe 3 is arranged inside the injection molding machine body 1. The top surface of the upper feed pipe 2 is connected to and fixed with an upper exhaust pipe 4, and the top surface of the lower feed pipe 3 is connected to and fixed with a lower exhaust pipe 5. A first exhaust hole 6 is opened on the top surface of the injection molding machine body 1, and a second exhaust hole 7 is opened on one side of the injection molding machine body 1. The upper exhaust pipe 4 passes through the first exhaust hole 6, and the lower exhaust pipe 5 passes through the second exhaust hole 7. An exhaust valve 8 is provided on one side of the injection molding machine body 1, and the exhaust valve 8 is connected to the upper exhaust pipe 4 and the lower exhaust pipe 5.

[0024] During use, the staff puts the two raw materials to be processed into the upper feed port 29 and the lower feed port 30. At this time, the raw materials will pass through the upper feed pipe 31 and the upper feed pipe 2, the lower feed pipe 32 and the lower feed pipe 3 in turn, and finally converge at the connection between the upper feed pipe 2 and the lower feed pipe 3, and then enter the confluence pipe 34, and finally enter the feed port 35 and then enter the mold to start shaping. When the two raw materials pass through the upper feed pipe 2 and the lower feed pipe 3, before entering the confluence pipe 34 to converge, the upper exhaust pipe 4 and the lower exhaust pipe 5 fixedly connected to the top surface of the upper feed pipe 2 and the lower feed pipe 3 are connected to the exhaust valve 8 to discharge the gas generated in the device, thereby reducing the back pressure generated by the gas compression. At this time, the air pressure at the confluence position is small, thereby ensuring the feeding rate and improving the bonding speed of the rubber.

[0025] like Figure 2-Figure 4As shown, the interior of the injection molding machine body 1 is provided with a lower mold fixing platform 9, and the interior of the lower mold fixing platform 9 is provided with an ejector support plate 10. The top surface of the ejector support plate 10 is threadedly connected to the ejector fixing plate 11, and the top surface of the ejector fixing plate 11 is connected to a plurality of ejectors 12. Four reset rods 13 are provided at the four corners of the top surface of the ejector fixing plate 11. The outer wall of one end of the reset rod 13 protruding from the top surface of the ejector fixing plate 11 is connected to a reset spring 14. The top surface of the ejector fixing plate 11 is connected to the lower mold fixing plate 15 through the reset rod 13. The upper end of the reset rod 13 passes through the bottom surface of the lower mold fixing plate 15. The internal opening of the lower mold fixing plate 15 is connected to the lower mold core 16. The ejector pins 12 pass through the ejector fixing plate 11, the lower mold fixing plate 15 and the lower mold. Core 16, an upper mold fixing platform 17 is arranged above the lower mold fixing platform 9, the top surface of the upper mold fixing platform 17 is connected to four guide pillars 18, and the bottom surface of the upper mold fixing platform 17 is connected to the upper mold fixing plate 19 through the guide pillars 18, and the internal opening of the upper mold fixing plate 19 is connected to the upper mold core 20, the upper mold core 20 corresponds to the lower mold core 16, and the top surface of the upper mold fixing plate 19 is connected to two pull rods 21, and the outer wall of one end of the pull rod 21 protruding from the top surface of the upper mold fixing plate 19 is connected to a spring 22, and two limiting holes 23 are provided on the bottom surface of the upper mold fixing plate 19, and the pull rod 21 passes through the limiting hole 23, and one end of the pull rod 21 protruding from the top surface of the upper mold fixing plate 19 passes through the bottom surface of the upper mold fixing platform 17, and the limiting hole 23 is a countersunk hole structure.

[0026] During use, the lower mold core 16 is fixed by adding ejector pins 12 in the mold at the far ends of the upper feed port 29 and the lower feed port 30, thereby ensuring that the deformation of the product is smaller during the manufacturing process, which not only makes the back pressure after compression smaller, but also ensures the quality of each product output.

[0027] like Figure 2-Figure 5 As shown, the bottom surface of the upper mold fixing plate 19 is provided with a slide groove 24, and a slider 25 is slidably provided inside the slide groove 24. The top surface of the upper mold core 20 is provided with a limit groove 26, and one side of the slider 25 is connected to the limit block 27. The limit groove 26 corresponds to the limit block 27. The top surface of the slider 25 is threadedly connected with a bolt 28, and the bolt 28 is threadedly connected to the slide groove 24. An upper feed port 29 is provided on one side of the injection molding machine body 1, and a lower feed port 30 is provided on one side of the injection molding machine body 1. The inner sleeve of the upper feed port 29 is provided. An upper feed pipe 31 is provided, and a lower feed pipe 32 is sleeved inside the lower feed port 30. The upper feed pipe 31 is connected to the upper feed pipe 2, and the lower feed pipe 32 is connected to the lower feed pipe 3. A collecting platform 33 is provided inside the injection molding machine body 1, and the top surface of the collecting platform 33 is connected to a merging pipe 34. The merging pipe 34 is connected to the connection between the upper feed pipe 2 and the lower feed pipe 3. A feed port 35 is provided on the top surface of the upper mold fixing platform 17, and the end of the merging pipe 34 away from the upper feed pipe 2 is connected to the feed port 35 through a conduit.

[0028] During use, the upper mold core 20 in the upper mold fixing plate 19 is fixed and limited by the slider 25 to prevent the upper mold core 20 from falling during operation. The ejector pin support plate 10 is used to support and protect several ejectors 12 to prevent the ejectors 12 from loosening or falling during operation. The reset rod 13 and the reset spring 14 facilitate the reset of the entire lower mold, thereby improving the efficiency of the device operation. The entire mold is composed of multiple parts, which is convenient for its disassembly and installation.

[0029] The above is only a preferred specific implementation method of the present invention, but the protection scope of the present invention is not limited to this. Any technician familiar with the technical field within the technical scope disclosed by the present invention can make equivalent replacements or changes based on the technical solution and utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A gauge baffle forming mold with an exhaust structure, comprising an upper feed pipe (2), wherein the upper feed pipe (2) is arranged inside an injection molding machine body (1), and is characterized in that: A lower feed pipe (3) is provided inside the injection molding machine body (1); an upper exhaust pipe (4) is connected and fixed to the top surface of the upper feed pipe (2); a lower exhaust pipe (5) is connected and fixed to the top surface of the lower feed pipe (3); a first exhaust hole (6) is provided on the top surface of the injection molding machine body (1); a second exhaust hole (7) is provided on one side of the injection molding machine body (1); the upper exhaust pipe (4) passes through the first exhaust hole (6); the lower exhaust pipe (5) passes through the second exhaust hole (7); an exhaust valve (8) is provided on one side of the injection molding machine body (1); the exhaust valve (8) is connected to the upper exhaust pipe (4) and the lower exhaust pipe (5).

2. The track gauge baffle forming die with an exhaust structure according to claim 1, characterized in that: A lower mold fixing platform (9) is provided inside the injection molding machine body (1), an ejector support plate (10) is provided inside the lower mold fixing platform (9), the top surface of the ejector support plate (10) is threadedly connected to an ejector fixing plate (11), the top surface of the ejector fixing plate (11) is connected to a plurality of ejectors (12), four reset rods (13) are provided at the four corners of the top surface of the ejector fixing plate (11), and the reset rods (13) protrude from the top of the ejector fixing plate (11). A reset spring (14) is connected to the outer wall of one end of the surface, the top surface of the ejector fixing plate (11) is connected to the lower mold fixing plate (15) through the reset rod (13), the upper end of the reset rod (13) passes through the bottom surface of the lower mold fixing plate (15), the internal opening of the lower mold fixing plate (15) is connected to the lower mold core (16), and the ejector (12) passes through the ejector fixing plate (11), the lower mold fixing plate (15) and the lower mold core (16).

3. The track gauge baffle forming die with an exhaust structure according to claim 2, characterized in that: An upper mold fixing platform (17) is provided above the lower mold fixing platform (9), the top surface of the upper mold fixing platform (17) is connected to four guide pillars (18), the bottom surface of the upper mold fixing platform (17) is connected to an upper mold fixing plate (19) through the guide pillars (18), the inner opening of the upper mold fixing plate (19) is connected to an upper mold core (20), the upper mold core (20) corresponds to the lower mold core (16), and the upper mold fixing plate (19) The top surface is connected to two pull rods (21), and the outer wall of one end of the pull rod (21) protruding from the top surface of the upper mold fixing plate (19) is connected to a spring (22). The bottom surface of the upper mold fixing plate (19) is provided with two limiting holes (23), and the pull rod (21) passes through the limiting holes (23). The end of the pull rod (21) protruding from the top surface of the upper mold fixing plate (19) passes through the bottom surface of the upper mold fixing platform (17), and the limiting hole (23) is a countersunk hole structure.

4. The track gauge baffle forming die with an exhaust structure according to claim 3, characterized in that: The bottom surface of the upper mold fixing plate (19) is provided with a slide groove (24), and a slider (25) is slidably provided inside the slide groove (24). The top surface of the upper mold core (20) is provided with a limiting groove (26), and one side of the slider (25) is connected to a limiting block (27). The limiting groove (26) corresponds to the limiting block (27). The top surface of the slider (25) is threadedly connected with a bolt (28), and the bolt (28) is threadedly connected to the slide groove (24).

5. The track gauge baffle forming die with an exhaust structure according to claim 1, characterized in that: An upper feed port (29) is provided on one side of the injection molding machine body (1), and a lower feed port (30) is provided on one side of the injection molding machine body (1). An upper feed pipe (31) is sleeved inside the upper feed port (29), and a lower feed pipe (32) is sleeved inside the lower feed port (30). The upper feed pipe (31) is connected to the upper feed pipe (2), and the lower feed pipe (32) is connected to the lower feed pipe (3).

6. The track gauge baffle forming die with an exhaust structure according to claim 3, characterized in that: A collecting platform (33) is provided inside the injection molding machine body (1), and a merging pipe (34) is connected to the top surface of the collecting platform (33). The merging pipe (34) is connected to the connection point between the upper feed pipe (2) and the lower feed pipe (3). A feed port (35) is provided on the top surface of the upper mold fixing platform (17), and the end of the merging pipe (34) away from the upper feed pipe (2) is connected to the feed port (35) through a conduit.