Pipeline joint assembly of plastic mold

Abstract

The utility model relates to the technical field of plastic molds, in particular to a pipeline joint assembly of a plastic mold, which comprises a mold body and an injection molding pipeline, an external thread joint is arranged on the side surface of the mold body, an internal thread joint is fixedly arranged at the end part of the injection molding pipeline, and the internal thread joint is sleeved outside the external thread joint in a threaded manner; sliding holes are formed in the positions, located on the two sides of the external thread connector, of the internal thread connector, locking rods are arranged in the sliding holes, locking grooves matched with the locking rods are formed in the side wall of the mold body, the ends, away from the mold body, of the locking rods extend out of the sliding holes and are provided with unlocking mechanisms, abutting mechanisms are arranged on the rod walls of the locking rods, and the unlocking mechanisms comprise linkage rods; one end of the linkage rod is hinged to the end, away from the mold body, of the locking rod, the other end of the linkage rod is hinged to a push plate, and the other end of the push plate is hinged to the circumferential wall of the internal thread connector. According to the utility model, the pipeline joint can be conveniently locked, the pipeline joint is prevented from falling off in the use process of the mold, and the reliability is improved.

Description

Technical Field

[0001] This utility model relates to the field of plastic mold technology, specifically to a pipe joint assembly for a plastic mold. Background Technology

[0002] Plastic molds are a type of composite mold used in compression molding, extrusion molding, injection molding, blow molding, and low-foaming molding. The coordinated changes in the mold's punch, die, and auxiliary molding systems allow for the production of a series of plastic parts of different shapes and sizes. Plastic molds are the mother of industry; the launch of new products always involves plastics. They mainly include a die with a variable cavity, consisting of a die assembly base plate, die components, and die assembly clamping plates; and a punch with a variable core, consisting of a punch assembly base plate, punch components, punch assembly clamping plates, cavity cut-off components, and side cut-off plates.

[0003] In existing technologies, it is not convenient to lock the pipe joints, and it is not convenient to prevent the pipe joints from falling off during the use of the mold, resulting in low reliability. Therefore, we have introduced a pipe joint assembly for plastic molds. Utility Model Content

[0004] The purpose of this utility model is to provide a pipe joint assembly for plastic molds, which can easily lock the pipe joint, prevent the pipe joint from falling off during the use of the mold, improve reliability, and solve the problems mentioned in the background art.

[0005] To achieve the above objectives, this utility model provides the following technical solution:

[0006] A pipe fitting assembly for a plastic mold includes a mold body and an injection pipe. The mold body has an external threaded connector on its side, and the injection pipe has an internal threaded connector fixed at its end. The internal threaded connector is threaded onto the outside of the external threaded connector. The internal threaded connector has sliding holes on both sides of the external threaded connector, and a locking rod is provided in each sliding hole. The side wall of the mold body has a locking groove that mates with the locking rod. The locking rod extends to the outside of the sliding hole at the end away from the mold body and has an unlocking mechanism. The rod wall of the locking rod has a clamping mechanism.

[0007] Furthermore, the unlocking mechanism includes a linkage rod, one end of which is hinged to the end of the locking rod away from the mold body, and the other end of the linkage rod is hinged to a push plate, the other end of which is hinged to the circumferential wall of the internal threaded joint.

[0008] Furthermore, the clamping mechanism includes a positioning rod, the locking rod has a strip-shaped hole on its rod wall, the positioning rod is slidably disposed in the strip-shaped hole on the side away from the mold body, both ends of the positioning rod are fixedly connected to the hole wall of the sliding hole, and a spring is fixedly disposed on the rod wall of the positioning rod near the mold body.

[0009] Furthermore, the spring is always in a compressed state.

[0010] Furthermore, the locking rod has a spherical surface at one end near the mold body.

[0011] Furthermore, a sealing ring is fixedly provided at the end of the external threaded connector.

[0012] Furthermore, the sealing ring is a corrosion-resistant rubber ring.

[0013] Compared with the prior art, the beneficial effects of this utility model are:

[0014] The pipe connector assembly of this plastic mold comprises a mold body, an internal threaded connector, an injection pipe, an external threaded connector, a locking rod, a spring, a positioning rod, a push plate, a linkage rod, and a sealing ring. Rotating the internal threaded connector tightens the internal and external threaded connectors. The spring pushes the locking rod to engage with the locking groove. The engagement of two locking rods with the locking groove prevents loosening between the external and internal threaded connectors. To remove the internal threaded connector from the external threaded connector, both push plates are simultaneously pushed. These push plates, via the linkage rod, move the locking rod to the outside of the locking groove, while the locking rod compresses the spring. This allows the internal threaded connector to be removed from the external threaded connector, facilitating locking of the pipe connector and preventing it from falling off during mold use, thus improving reliability. Attached Figure Description

[0015] Figure 1 This is a structural schematic diagram of a pipe fitting assembly for a plastic mold.

[0016] Figure 2 This is a side view of a pipe fitting assembly for a plastic mold.

[0017] Figure 3 for Figure 2 An enlarged schematic diagram of part A in the middle.

[0018] In the diagram: 1. Mold body; 2. Internal threaded connector; 3. Injection pipe; 4. External threaded connector; 5. Locking rod; 6. Spring; 7. Positioning rod; 8. Push plate; 9. Linkage rod; 10. Sealing ring. Detailed Implementation

[0019] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0020] Please see Figures 1 to 3 This utility model provides a technical solution:

[0021] A pipe fitting assembly for a plastic mold includes a mold body 1 and an injection pipe 3. The mold body 1 has an external threaded connector 4 on its side. The injection pipe 3 has an internal threaded connector 2 fixedly installed at its end. The internal threaded connector 2 is threaded onto the outside of the external threaded connector 4. The internal threaded connector 2 has sliding holes on both sides of the external threaded connector 4. Each sliding hole has a locking rod 5. The side wall of the mold body 1 has a locking groove that cooperates with the locking rod 5. The end of the locking rod 5 away from the mold body 1 extends to the outside of the sliding hole and has an unlocking mechanism. The rod wall of the locking rod 5 has a clamping mechanism.

[0022] The unlocking mechanism includes a linkage rod 9, one end of which is hinged to the end of the locking rod 5 away from the mold body 1, and the other end of the linkage rod 9 is hinged to a push plate 8, the other end of which is hinged to the circumferential wall of the internal threaded joint 2.

[0023] The clamping mechanism includes a positioning rod 7, and the locking rod 5 has a strip hole on its rod wall. The positioning rod 7 is slidably disposed in the strip hole on the side away from the mold body 1. Both ends of the positioning rod 7 are fixedly connected to the hole wall of the sliding hole. A spring 6 is fixedly disposed on the rod wall of the positioning rod 7 near the mold body 1. The spring 6 is always in a compressed state.

[0024] The locking rod 5 has a spherical surface at one end near the mold body 1, which reduces the friction between the locking rod 5 and the mold body.

[0025] A sealing ring 10 is fixed at the end of the external threaded connector 4, which improves the sealing effect.

[0026] The sealing ring 10 is a corrosion-resistant rubber ring, which improves the service life.

[0027] In use, rotate the internal threaded connector 2. When the internal threaded connector 2 and the external threaded connector 4 are tightened, the spring 6 pushes the locking rod 5 to engage with the locking groove. The engagement of the two locking rods 5 with the locking groove prevents the external threaded connector 4 and the internal threaded connector 2 from becoming loose. When it is necessary to remove the internal threaded connector 2 from the external threaded connector 4, push the two push plates 8 at the same time. The push plates 8 drive the locking rod 5 to move to the outside of the locking groove through the linkage rod 9. At the same time, the locking rod 5 squeezes the spring 6. At this time, the internal threaded connector 2 can be removed from the external threaded connector 4, which facilitates the locking of the pipeline and prevents the pipeline from falling off during the use of the mold, thus improving reliability.

[0028] Although 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 alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A pipe connector assembly for a plastic mold, comprising a mold body (1) and an injection pipe (3), characterized in that: The mold body (1) is provided with an external threaded connector (4) on its side. The end of the injection pipe (3) is fixedly provided with an internal threaded connector (2). The internal threaded connector (2) is threaded outside the external threaded connector (4). The internal threaded connector (2) is provided with sliding holes on both sides of the external threaded connector (4). The sliding holes are provided with locking rods (5). The side wall of the mold body (1) is provided with locking grooves that cooperate with the locking rods (5). The locking rod (5) extends to the outside of the sliding hole at one end away from the mold body (1) and is provided with an unlocking mechanism. The rod wall of the locking rod (5) is provided with a clamping mechanism.

2. The pipe joint assembly for a plastic mold according to claim 1, characterized in that: The unlocking mechanism includes a linkage rod (9), one end of which is hinged to the end of the locking rod (5) away from the mold body (1), and the other end of the linkage rod (9) is hinged to a push plate (8), the other end of which is hinged to the circumferential wall of the internal threaded joint (2).

3. The pipe joint assembly for a plastic mold according to claim 1, characterized in that: The clamping mechanism includes a positioning rod (7), the locking rod (5) has a strip hole on its rod wall, the positioning rod (7) is slidably disposed in the strip hole on the side away from the mold body (1), both ends of the positioning rod (7) are fixedly connected to the hole wall of the sliding hole, and a spring (6) is fixedly disposed on the rod wall of the positioning rod (7) near the mold body (1).

4. The pipe joint assembly for a plastic mold according to claim 3, characterized in that: The spring (6) is always in a compressed state.

5. A pipe joint assembly for a plastic mold according to claim 1, characterized in that: The locking rod (5) has a spherical surface at one end near the mold body (1).

6. A pipe joint assembly for a plastic mold according to claim 1, characterized in that: The external threaded connector (4) is fixedly provided with a sealing ring (10) at its end.

7. A pipe joint assembly for a plastic mold according to claim 6, characterized in that: The sealing ring (10) is a corrosion-resistant rubber ring.

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