Injection molding mold for ABS (Acrylonitrile Butadiene Styrene) pipe fitting

By introducing baffle diversion cooling water and driving module clamping molds into the ABS pipe fitting injection mold, the problems of low heat dissipation efficiency and difficult mold removal are solved, rapid cooling and convenient mold removal are achieved, and production efficiency is improved.

CN223186893UActive Publication Date: 2025-08-05NINGBO XUEDA MASCH EQUIP CO LTD
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Patent Information

Application Number
CN202422471375.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-10-14
Publication Date
2025-08-05
Estimated Expiration
2034-10-14

AI Technical Summary

Technical Problem

The existing ABS pipe fitting injection molds have low heat dissipation efficiency and are difficult to release mold, especially the air-cooling method causes the pipe fitting to be stuck after forming, making it difficult to quickly cool and release mold.

Method used

The baffle plate in the core cylinder is used to direct cooling water and combine the driving module sleeve with the core cylinder to quickly close the mold. The efficient heat transferability of the cooling water is used, and the pipe fittings are pushed or ejected horizontally through the demolding component to achieve rapid cooling and mold release.

Benefits of technology

The cooling efficiency of ABS pipe fittings is improved, ensuring that the pipe fittings are formed quickly and are easy to release, avoiding jamming, and improving production efficiency.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of ABS (Acrylonitrile Butadiene Styrene) pipe fitting production, and discloses an ABS pipe fitting injection molding mold which comprises a support, a core cylinder is arranged on the inner wall of the top of one side of the support, a first demolding assembly for demolding an ABS pipe fitting is arranged on the top of one side of the support, a plurality of baffle plates are arranged in the core cylinder, a mold sleeve is sleeved on the surface of the core cylinder, and a second demolding assembly for demolding the ABS pipe fitting is arranged on the mold sleeve. A forming cavity is formed between the mold sleeve and the core cylinder, and a demolding assembly II for demolding the ABS pipe fitting is arranged at one end of the mold sleeve; the driving assembly drives the mold sleeve, the mold sleeve and the core cylinder can be rapidly assembled, manual operation is not needed, injection molding of the ABS pipe fitting is facilitated, cooling water is input into the core cylinder, the baffle plate can guide the cooling water, the conveying path of the cooling water is prolonged, the cooling water has good temperature transmission capacity, the ABS pipe fitting can be rapidly cooled through the core cylinder, and the cooling efficiency of the ABS pipe fitting is improved. And the cooling efficiency of the ABS pipe fitting is improved.
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Description

Technical Field

[0001] The utility model relates to the technical field of ABS pipe fitting production, in particular to an ABS pipe fitting injection molding die. Background Art

[0002] ABS pipe fittings are an engineering plastic product made from the copolymerization of three monomers: acrylonitrile, butadiene, and styrene. This material has the characteristics of high strength, high impact resistance, high hygiene performance, and high aging resistance. Therefore, it is widely used in various fields. ABS pipe fittings can withstand the corrosion of various chemical substances and are suitable for the transportation of various liquids and gases.

[0003] The "pipe fitting injection mold" disclosed in its application number "202220981537.0" "comprises a first mold base and a second mold base, the first mold base is located on one side of the second mold base, and a pipe fitting outer mold sleeve is provided at the central position of the outer wall of one side of the first mold base, and a first cooling hole is provided on the outer wall of the pipe fitting outer mold sleeve away from the first mold base, and a first guide hole is provided on the outer wall of one side of the first mold base and the second mold base at a horizontal position close to the first cooling hole, and a pipe fitting inner mold column is provided at the central position of the outer wall of one side of the second mold base. The pipe fitting injection mold, through the mutual cooperation of the first cooling hole, the first guide hole, the second cooling hole and the second guide hole, can make one side of the inner and outer walls of the injection-molded pipe fitting evenly distributed with circulating air, and then can absorb and take away the heat on the injection-molded pipe fitting, thereby realizing uniform and effective heat dissipation of the inner and outer walls of the injection-molded pipe fitting, ensuring that the injection-molded pipe fitting can be cooled quickly and efficiently, and accelerating the molding speed.

[0004] However, the above method still has the following defects: the use of air cooling can accelerate the cooling of the injection molded pipe fittings, but due to the poor thermal conductivity of air, the heat dissipation efficiency is relatively low, and it is easy to cause the molded ABS pipe fittings to get stuck on the outer mold sleeve and the inner mold column of the pipe fitting, making it difficult to demold it. Utility Model Content

[0005] In view of the deficiencies in the prior art, the present invention provides an ABS pipe injection molding die, which has the advantages of high heat dissipation efficiency and easy demoulding, and solves the problems raised by the above-mentioned background technology.

[0006] The utility model provides the following technical solution: an ABS pipe injection molding mold, comprising a bracket, a core barrel is provided on the inner wall of the top of one side of the bracket, a demolding component 1 for demolding the ABS pipe fitting is provided on the top of one side of the bracket, a plurality of baffles are provided inside the core barrel, a mold sleeve is provided on the surface of the core barrel, a molding cavity is provided between the mold sleeve and the core barrel, a demolding component 2 for demolding the ABS pipe fitting is provided at one end of the mold sleeve, and a driving component for driving the mold sleeve is provided inside the bracket.

[0007] As an optimal technical solution of the present invention, the demolding component 1 includes a mounting ring and a gasket, one side of the mounting ring is fixedly connected to the top of one side of the bracket by a bolt, and a cylinder 1 is fixedly provided on both sides of the mounting ring, the telescopic rod of the cylinder 1 is fixedly connected to one side of the gasket, and the gasket is slidably connected to the surface of the core barrel.

[0008] As an optimal technical solution of the present invention, a water outlet pipe and a water inlet pipe are fixed on the top of one side of the bracket, both of which are connected to the interior of the core barrel. The core barrel is coaxial with the mold sleeve, and an injection nozzle is provided on the surface of the mold sleeve.

[0009] As an optimal technical solution of the present invention, the demolding component 2 includes a cylinder 2, one end of which is fixedly connected to the middle of one end of the mold sleeve, the telescopic rod of the cylinder 2 is fixedly connected to a disc, a plurality of ejector rods are fixedly provided on one side of the disc, and one end of the mold sleeve is provided with an ejector outlet slidably connected to the ejector rod.

[0010] As an optimal technical solution of the present invention, a sliding sleeve 1 is provided on the top of the disc, a guide rod is provided on the top of the bracket, and a sliding sleeve 2 is provided on the top of the mold sleeve. Both sliding sleeve 1 and sliding sleeve 2 are slidably connected to the guide rod.

[0011] As an optimal technical solution of the present invention, the driving assembly includes a vertical plate, the bottom end of the vertical plate is fixedly connected to the inner wall of the bottom end of the bracket, a motor is provided on one side of the vertical plate, and a screw rod is provided on the other side of the vertical plate. The output shaft of the motor is connected to one end of the screw rod, the screw rod is threadedly connected to a threaded sleeve, a connecting rod is provided on the top of the threaded sleeve, and the top end of the connecting rod is fixedly connected to the bottom of the mold sleeve.

[0012] As an optimal technical solution of the present invention, a reinforcement plate is welded inside the bracket, the top of the vertical plate is welded to one side of the bottom end of the reinforcement plate, a rod groove is opened on the surface of the reinforcement plate, and the connecting rod is slidably connected to the rod groove.

[0013] As a preferred technical solution of the present invention, a slider is provided at the bottom of the threaded sleeve, a track is provided on the inner wall of the bottom end of the bracket, and the slider is slidably connected to the track.

[0014] Compared with the prior art, the present invention has the following beneficial effects:

[0015] 1. The mold sleeve is driven by the drive assembly to quickly close the mold with the core barrel without manual operation, which facilitates the injection molding of ABS pipe fittings. By inputting cooling water into the interior of the core barrel, the baffle can guide the cooling water, extending its delivery path. The cooling water has good temperature transfer ability and can quickly cool the ABS pipe fittings through the core barrel, thereby improving the cooling efficiency of the ABS pipe fittings.

[0016] 2. When the ABS pipe fitting is stuck on the surface of the core barrel and the inner wall of the mold sleeve, the demoulding component 1 and the demoulding component 2 can push the ABS pipe fitting horizontally to facilitate its rapid demoulding. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is one of the structural diagrams of the present utility model;

[0018] Figure 2 This is the second structural diagram of the present utility model;

[0019] Figure 3 This is a schematic structural diagram of the core barrel of the utility model;

[0020] Figure 4 This is a schematic diagram of the cross-sectional structure of the core barrel of the utility model;

[0021] Figure 5 This is a schematic structural diagram of the demoulding component 2 of the present invention.

[0022] In the figure: 1. bracket; 2. core barrel; 3. baffle; 4. water outlet pipe; 5. water inlet pipe; 6. demoulding component 1; 601. mounting ring; 602. cylinder 1; 603. gasket; 7. mold sleeve; 8. demoulding component 2; 801. cylinder 2; 802. disc; 803. ejector rod; 804. sleeve 1; 9. ejector outlet; 10. guide rod; 11. reinforcement plate; 12. rod groove; 13. drive assembly; 1301. vertical plate; 1302. motor; 1303. screw rod; 1304. threaded sleeve; 1305. connecting rod; 1306. slider; 1307. track; 14. injection nozzle; 15. sleeve 2; 16. molding cavity. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0024] See also Figures 1 to 5, ABS pipe fitting injection molding mold, including a bracket 1, a core barrel 2 is welded to the inner wall of the top of one side of the bracket 1, a demoulding component 6 for demoulding the ABS pipe fitting is provided on the top of one side of the bracket 1, a plurality of baffles 3 are welded inside the core barrel 2, a mold sleeve 7 is provided on the surface of the core barrel 2, a molding cavity 16 is provided between the mold sleeve 7 and the core barrel 2, and a demoulding component 8 for demoulding the ABS pipe fitting is provided at one end of the mold sleeve 7, a driving component 13 for driving the mold sleeve 7 is provided inside the bracket 1, and the mold sleeve 7 is driven by the driving component 13 to quickly close the mold with the core barrel 2 without manual operation, and the injection molding of the ABS pipe fitting can be carried out. By inputting cooling water into the interior of the core barrel 2, the baffle 3 can divert the cooling water, thereby extending its conveying path. The cooling water has good temperature transfer ability and can quickly cool the ABS pipe fitting through the core barrel 2, thereby improving the cooling efficiency of the ABS pipe fitting.

[0025] In this embodiment, preferably, the demoulding assembly 1 6 includes a mounting ring 601 and a washer 603. One side of the mounting ring 601 is fixedly connected to the top of one side of the bracket 1 by bolts. Cylinder 1 602 is fixedly installed on both sides of the mounting ring 601 by bolts. The telescopic rod of cylinder 1 602 is fixedly connected to one side of the washer 603. The washer 603 is slidably connected to the surface of the core barrel 2. The washer 603 is driven by the cylinder 1 602 to slide on the core barrel 2, which can push the ABS pipe fitting horizontally to prevent it from getting stuck on the core barrel 2.

[0026] In this embodiment, preferably, the demoulding assembly 2 8 includes a cylinder 2 801, one end of the cylinder 2 801 is fixedly connected to the middle of one end of the mold sleeve 7 by a bolt, the telescopic rod of the cylinder 2 801 is fixedly connected to the disc 802, one side of the disc 802 is fixedly provided with a plurality of ejector rods 803, one end of the mold sleeve 7 is provided with an ejector outlet 9 which is slidably connected to the ejector rod 803, the ejector outlet 9 can be filled and blocked by the ejector rod 803, and the disc 802 can be driven by the cylinder 2 801 to make the ejector rod 803 Sliding along the ejection port 9, when the ABS pipe fitting is stuck inside the die sleeve 7, the ejector rod 803 can eject it, facilitating demoulding. A sliding sleeve 1 804 is welded to the top of the disc 802, a guide rod 10 is provided on the top of the bracket 1, and a sliding sleeve 2 15 is welded to the top of the die sleeve 7. Both the sliding sleeve 1 804 and the sliding sleeve 2 15 are slidably connected to the guide rod 10. The sliding sleeve 1 804 and the sliding sleeve 2 15 can respectively support and guide the disc 802 and the die sleeve 7, thereby maintaining their stability and position accuracy.

[0027] In this embodiment, preferably, the driving component 13 includes a vertical plate 1301, the bottom end of the vertical plate 1301 is welded to the inner wall of the bottom end of the bracket 1, a motor 1302 is fixedly installed on one side of the vertical plate 1301, and a screw rod 1303 is rotatably connected to the other side of the vertical plate 1301, the output shaft of the motor 1302 is connected to one end of the screw rod 1303, the screw rod 1303 is threadedly connected to a threaded sleeve 1304, and a connecting rod 1305 is provided on the top of the threaded sleeve 1304, and the top of the connecting rod 1305 is fixedly connected to the bottom of the mold sleeve 7, and the screw rod 1303 is driven by the motor 1302. The screw rod 1303 can convert the rotational motion into the linear motion of the connecting rod 1305 through the threaded sleeve 1304, and the connecting rod 1305 can drive the mold sleeve 7 Horizontal movement can realize the closing and opening of the mold sleeve 7. A reinforcing plate 11 is welded inside the bracket 1. The top of the vertical plate 1301 is welded to one side of the bottom end of the reinforcing plate 11. A rod groove 12 is provided on the surface of the reinforcing plate 11. The connecting rod 1305 is slidably connected to the rod groove 12. The bracket 1 can be reinforced by the reinforcing plate 11. The rod groove 12 on its surface can guide the connecting rod 1305 to maintain the horizontal movement of the connecting rod 1305. A slider 1306 is provided at the bottom of the threaded sleeve 1304, and a track 1307 is provided on the inner wall of the bottom end of the bracket 1. The slider 1306 is slidably connected to the track 1307. The threaded sleeve 1304 can be guided by the slider 1306 and the track 1307 to ensure the linear movement of the threaded sleeve 1304.

[0028] In this embodiment, preferably, a water outlet pipe 4 and a water inlet pipe 5 are fixedly provided on the top of one side of the bracket 1, and the water outlet pipe 4 and the water inlet pipe 5 are both communicated with the interior of the core barrel 2. The core barrel 2 is coaxial with the mold sleeve 7. The surface of the mold sleeve 7 is provided with an injection nozzle 14, and injection molding can be performed through the injection nozzle 14. Cooling water can be input and output through the water inlet pipe 5 and the water outlet pipe 4, so that the cooling water can flow.

[0029] During use, the motor 1302 of the driving assembly 13 first drives the screw rod 1303, and the screw rod 1303 converts the rotational motion into the linear motion of the connecting rod 1305 through the threaded sleeve 1304. The connecting rod 1305 drives the mold sleeve 7 to move horizontally, so that it is molded with the core barrel 2, and then injection is performed into the molding cavity 16 through the injection nozzle 14. After that, cooling water is injected into the core barrel 2 through the water inlet pipe 5. The baffle 3 can guide the cooling water and extend its transportation path. The cooling water has good temperature transfer ability and can quickly cool the ABS pipe fitting through the core barrel 2. After absorbing heat, the cooling water can be output through the water outlet pipe 4. After the ABS pipe fitting is cooled and formed, the screw rod 1303 is driven in the reverse direction by the motor 1302 to open the mold, and the ABS pipe fitting can be removed.

[0030] After the mold is opened, when the ABS pipe fitting is stuck on the core barrel 2, the staff drives the washer 603 through the cylinder 1 602 of the demoulding component 1 6 to make it slide on the core barrel 2, push the ABS pipe fitting horizontally, and peel it off from the core barrel 2 to remove it. Once the ABS pipe fitting is stuck inside the mold sleeve 7, the staff drives the disc 802 through the cylinder 2 801 of the demoulding component 2 8 to make the ejector rod 803 slide along the ejection outlet 9. The ejector rod 803 can horizontally eject the ABS pipe fitting inside the mold sleeve 7, making it convenient and quick to demould.

[0031] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An ABS pipe injection molding die, comprising a bracket (1), characterized in that: A core barrel (2) is provided on the inner wall of the top of one side of the bracket (1), a demoulding component (6) for demoulding ABS pipe fittings is provided on the top of one side of the bracket (1), a plurality of baffles (3) are provided inside the core barrel (2), a mold sleeve (7) is provided on the surface of the core barrel (2), a molding cavity (16) is provided between the mold sleeve (7) and the core barrel (2), a demoulding component (8) for demoulding ABS pipe fittings is provided at one end of the mold sleeve (7), and a driving component (13) for driving the mold sleeve (7) is provided inside the bracket (1).

2. The ABS pipe injection molding die according to claim 1, characterized in that: The demoulding assembly (6) includes a mounting ring (601) and a washer (603), one side of the mounting ring (601) is fixedly connected to the top of one side of the bracket (1) by a bolt, and a cylinder (602) is fixedly provided on both sides of the mounting ring (601), the telescopic rod of the cylinder (602) is fixedly connected to one side of the washer (603), and the washer (603) is slidably connected to the surface of the core barrel (2).

3. The ABS pipe injection molding die according to claim 1, characterized in that: A water outlet pipe (4) and a water inlet pipe (5) are fixedly provided on the top of one side of the bracket (1), and both the water outlet pipe (4) and the water inlet pipe (5) are communicated with the interior of the core barrel (2). The core barrel (2) is coaxial with the mold sleeve (7), and an injection nozzle (14) is provided on the surface of the mold sleeve (7).

4. The ABS pipe injection molding die according to claim 1, characterized in that: The demoulding assembly 2 (8) includes a cylinder 2 (801), one end of which is fixedly connected to the middle of one end of the mold sleeve (7), the telescopic rod of the cylinder 2 (801) is fixedly connected to a disc (802), one side of the disc (802) is fixedly provided with a plurality of ejector rods (803), and one end of the mold sleeve (7) is provided with an ejector outlet (9) which is slidably connected to the ejector rod (803).

5. The ABS pipe injection molding die according to claim 4, characterized in that: A sliding sleeve 1 (804) is provided at the top of the disc (802), a guide rod (10) is provided at the top of the bracket (1), and a sliding sleeve 2 (15) is provided at the top of the mold sleeve (7). Both the sliding sleeve 1 (804) and the sliding sleeve 2 (15) are slidably connected to the guide rod (10).

6. The ABS pipe fitting injection molding die according to claim 1, characterized in that: The driving assembly (13) comprises a vertical plate (1301), the bottom end of the vertical plate (1301) is fixedly connected to the inner wall of the bottom end of the bracket (1), a motor (1302) is provided on one side of the vertical plate (1301), a screw rod (1303) is provided on the other side of the vertical plate (1301), an output shaft of the motor (1302) is connected to one end of the screw rod (1303), the screw rod (1303) is threadedly connected to a threaded sleeve (1304), a connecting rod (1305) is provided at the top of the threaded sleeve (1304), and the top end of the connecting rod (1305) is fixedly connected to the bottom of the mold sleeve (7).

7. The ABS pipe injection molding die according to claim 6, characterized in that: A reinforcing plate (11) is welded inside the bracket (1), the top end of the vertical plate (1301) is welded to one side of the bottom end of the reinforcing plate (11), a rod groove (12) is provided on the surface of the reinforcing plate (11), and the connecting rod (1305) is slidably connected to the rod groove (12).

8. The ABS pipe injection molding die according to claim 6, characterized in that: A slider (1306) is provided at the bottom of the threaded sleeve (1304), and a track (1307) is provided on the inner wall of the bottom end of the bracket (1), and the slider (1306) is slidably connected to the track (1307).

Citation Information

Patent Citations

  • Pipe fitting injection mold

    CN217073257U