Forming mold with injection molding opening size adjusting structure

Abstract

The utility model discloses a forming mold with an injection molding opening size adjusting structure, which relates to the technical field of injection molding opening adjustment and comprises a forming mold. The injection mold is characterized in that the forming mold is provided with a counter bore which is convenient for the injection molding nozzle to penetrate through; the feeding end of the injection molding nozzle and the mounting sleeve are fixedly mounted; one end, away from the injection nozzle, of the mounting sleeve is fixedly mounted with the extruder; the mounting sleeve is also matched with the adjusting assembly; the adjusting assembly comprises an adjusting valve; the adjusting valve is mounted in the mounting sleeve in a matched manner; one end of the regulating valve is matched with a bulge at the end part of the movable cylinder through a spring; during use, the injection nozzle is fixedly mounted in a counter bore formed in a forming mold, one end, far away from the injection nozzle, of the mounting sleeve is fixedly mounted with an extruder, a solution is conveyed into the injection nozzle through the extruder, and the flow velocity and the flow of the injection nozzle are adjusted through matching of the adjusting assembly and the mounting sleeve, so that injection molding is realized; and different injection molding requirements are met.

Description

Technical Field

[0001] The utility model specifically relates to the technical field of injection port adjustment, in particular to a molding die with an injection port size adjustment structure. Background Art

[0002] The molding mold with an injection port adjustment structure is an innovative design of great significance in the field of injection molding. The main function of the injection port adjustment structure is to accurately control the key parameters of the plastic melt during the injection molding process, such as the injection speed, flow rate and pressure distribution; this enables the molding mold to adapt to different plastic product shapes, sizes and quality requirements;

[0003] However, the injection port of the traditional molding mold is fixed. In the process of injection molding, the melt cannot evenly fill the mold cavity, resulting in defects such as short shots, flash and bubbles. The injection molding mold has certain quality problems, which will affect the service life of the product during use.

[0004] After searching, Chinese Patent Publication No. CN202021484986.1 discloses an injection mold flow regulating structure; the upper and lower ends of the injection mold body are both provided with grooves, and an electric heating ring is installed inside the groove; the upper end of the inner part of the injection mold body is provided with an injection port, and an injection channel is provided below the injection port, and liquid outlets are provided on both sides of the lower end of the injection channel, and through holes are provided on both sides of the inner part of the injection mold body, and the through holes are connected with the injection channel, and piston pads are provided inside the through holes, and a diverter shuttle is installed above the injection port, and a mounting sleeve is installed above the diverter shuttle, and the through hole and the injection mold body are set as an integral structure, and the injection channel is respectively connected with the injection port and the liquid outlet, and the injection channel and the injection mold body are set as an integral structure;

[0005] During use, the flow regulating structure in the above patent realizes liquid discharge from two liquid outlets at the same time, or from one of them, through the provided piston pad. When liquid is discharged from the two liquid outlets at the same time, the flow rate inside the injection channel is large, but the flow velocity is slow, which may cause insufficient filling of the melt. When liquid is discharged from one of the liquid outlets, the flow velocity is fast, but the flow rate is small, which may also cause insufficient filling of the melt. When the flow velocity is fast, bubbles may be generated inside the melt, thereby affecting the quality of the product. Utility Model Content

[0006] The purpose of the utility model is to provide a molding die with an injection port size adjustment structure. In the device, a regulating valve is installed in a mounting sleeve, and a moving cylinder is driven by an electric push cylinder to move up and down. Through the cooperation of a shifting column and a guide groove, the moving cylinder drives the regulating valve to rotate through a spring. In this way, when the melt is injected, the flow rate of the melt in the injection nozzle and the mounting sleeve is effectively adjusted, thereby effectively meeting the injection molding requirements according to production needs; so as to solve the problems of the above-mentioned background technology.

[0007] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0008] A molding die with an injection port size adjustment structure comprises a molding die; the molding die is provided with a countersunk hole for the injection nozzle to pass through; the injection nozzle feed end is fixedly installed with a mounting sleeve; the mounting sleeve is fixedly installed with an end away from the injection nozzle with an extruder;

[0009] The mounting sleeve is also installed in cooperation with the regulating assembly; the regulating assembly includes a regulating valve; the regulating valve is installed in cooperation with the inside of the mounting sleeve; one end of the regulating valve is installed in cooperation with the protrusion at the end of the moving cylinder through a spring;

[0010] As a further technical solution of the utility model, a guide groove is provided on the side wall of the movable cylinder; the guide groove is closely connected with the shifting post; the shifting post is fixedly mounted on the inner wall of the fixed cylinder;

[0011] As a further technical solution of the utility model, the spring is installed in the fixing cylinder;

[0012] As a further technical solution of the utility model, the end of the moving cylinder away from the spring is fixedly installed with the push rod of the electric push cylinder; the bottom of the electric push cylinder is fixedly installed on the support frame; the support frame is fixedly installed with the forming mold;

[0013] As a further technical solution of the utility model, the cross-sections on both sides of the regulating valve are circular, and the diameter of the regulating valve is the same as the inner diameter of the mounting sleeve;

[0014] Compared with the prior art, the beneficial effects of the utility model are:

[0015] 1. When the utility model is used, the injection nozzle is fixedly installed in the countersunk hole provided in the molding die, and the end of the mounting sleeve away from the injection nozzle is fixedly installed with the extruder, and the melt is transported to the inside of the injection nozzle through the extruder to realize injection molding;

[0016] 2. In the utility model, during injection molding, the electric push cylinder drives the moving cylinder to move up and down. During the process of the moving cylinder moving up and down, the guide groove on the side wall of the moving cylinder cooperates with the lever on the inner wall of the fixed cylinder to effectively realize the deflected rotation of the moving cylinder. The spring drives the regulating valve to rotate at the end of the moving cylinder away from the electric push cylinder. When the regulating valve rotates in the installation sleeve, the two sides of the regulating valve are separated from the installation sleeve, so that the installation sleeve connects the extruder and the injection nozzle, thereby realizing melt injection molding;

[0017] 3. The utility model realizes the rotation effect by driving the moving cylinder to move up and down by the electric push cylinder, and realizes the cooperation of the moving cylinder in the shifting column and the guide groove, thereby effectively adjusting the gap between the two sides of the regulating valve and the inner wall of the mounting sleeve, thereby effectively adjusting the flow rate and flow rate of the injection port to meet different injection molding needs. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a three-dimensional structural schematic diagram of the utility model.

[0019] Figure 2 This utility model Figure 1 Schematic diagram of the rear structure.

[0020] Figure 3 This utility model Figure 2 Schematic diagram of the bottom structure.

[0021] Figure 4 This utility model Figure 2 Schematic diagram of the splitting.

[0022] Figure 5 This utility model Figure 4 Side view of the adjustment assembly.

[0023] Figure 6 This utility model Figure 4 A cross-sectional view of the internal structure.

[0024] Figure 7 This utility model Figure 6 Schematic diagram of the internal structure of the three-dimensional structure.

[0025] Figure 8 This utility model Figure 5 AA section view.

[0026] In the figure: 1-extruder, 2-molding die, 3-mounting sleeve, 4-adjusting assembly, 40-fixed cylinder, 41-semicircular plate, 42-regulating valve, 43-spring, 44-moving cylinder, 45-shifting post, 46-guide groove, 5-electric push cylinder, 6-support frame, 7-injection nozzle. DETAILED DESCRIPTION

[0027] 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.

[0028] See also Figure 1-8 In the embodiment of the utility model, a molding die with an injection port size adjustment structure comprises a molding die 2; a countersunk hole is provided on the molding die 2 for the injection nozzle 7 to pass through; the feed end of the injection nozzle 7 is fixedly installed with a mounting sleeve 3; the end of the mounting sleeve 3 away from the injection nozzle 7 is fixedly installed with an extruder 1;

[0029] The mounting sleeve 3 is also installed in cooperation with the regulating assembly 4; the regulating assembly 4 includes a regulating valve 42; the regulating valve 42 is installed in cooperation with the inside of the mounting sleeve 3; one end of the regulating valve 42 is installed in cooperation with the protrusion at the end of the moving cylinder 44 through a spring 43.

[0030] Specifically, a guide groove 46 is formed on the side wall of the movable cylinder 44 ; the guide groove 46 is closely connected to the shifting post 45 ; and the shifting post 45 is fixedly mounted on the inner wall of the fixed cylinder 40 .

[0031] By adopting the above technical solution, when in use, the injection nozzle 7 is fixedly installed in the countersunk hole opened in the molding die 2, and the end of the mounting sleeve 3 away from the injection nozzle 7 is fixedly installed with the extruder 1, and the melt is transported to the inside of the injection nozzle 7 through the extruder 1 to realize injection molding;

[0032] The spring 43 is installed in the fixing tube 40 .

[0033] In this embodiment, the end of the moving cylinder 44 away from the spring 43 is fixedly mounted on the push rod of the electric push cylinder 5; the bottom of the electric push cylinder 5 is fixedly mounted on the support frame 6; the support frame 6 is fixedly mounted on the molding die 2;

[0034] By adopting the above technical solution, during injection molding, the electric push cylinder 5 drives the moving cylinder 44 to move up and down. During the process of the moving cylinder 44 moving up and down, the guide groove 46 on the side wall of the moving cylinder 44 cooperates with the lever 45 on the inner wall of the fixed cylinder 40 to effectively realize the deflected rotation of the moving cylinder 44. At the end of the moving cylinder 44 away from the electric push cylinder 5, the spring 43 drives the regulating valve 42 to rotate. When the regulating valve 42 rotates in the installation sleeve 3, the two side surfaces of the regulating valve 42 are separated from the installation sleeve 3, so that the installation sleeve 3 connects the extruder 1 and the injection nozzle 7, thereby realizing melt injection molding.

[0035] In this embodiment, the cross-sections on both sides of the regulating valve 42 are circular, and the diameter of the regulating valve 42 is the same as the inner diameter of the mounting sleeve 3;

[0036] By adopting the above technical solution, the distance that the moving cylinder 44 moves up and down is driven by the electric push cylinder 5 to realize the rotation effect of the moving cylinder 44 in cooperation with the shifting column 45 and the guide groove 46, thereby effectively adjusting the gap between the two side surfaces of the regulating valve 42 and the inner wall of the mounting sleeve 3, thereby effectively adjusting the injection port flow rate and flow rate to meet different injection molding needs.

[0037] The working principle of the utility model is: when in use, the injection nozzle 7 is fixedly installed in the countersunk hole opened in the molding mold 2, and the end of the installation sleeve 3 away from the injection nozzle 7 is fixedly installed with the extruder 1, and the melt is transported to the inside of the injection nozzle 7 through the extruder 1 to realize injection molding;

[0038] During injection molding, the electric push cylinder 5 drives the moving cylinder 44 to move up and down. During the process of the moving cylinder 44 moving up and down, the guide groove 46 on the side wall of the moving cylinder 44 cooperates with the lever 45 on the inner wall of the fixed cylinder 40 to effectively realize the deflected rotation of the moving cylinder 44. At the end of the moving cylinder 44 away from the electric push cylinder 5, the regulating valve 42 is driven to rotate by the spring 43. When the regulating valve 42 rotates in the installation sleeve 3, the two side surfaces of the regulating valve 42 are separated from the installation sleeve 3, and the installation sleeve 3 connects the extruder 1 and the injection nozzle 7, thereby realizing the melt injection molding.

[0039] The electric push cylinder 5 drives the moving cylinder 44 to move up and down to achieve the rotation effect of the moving cylinder 44 in cooperation with the shifting column 45 and the guide groove 46, thereby effectively adjusting the gap between the two side surfaces of the regulating valve 42 and the inner wall of the mounting sleeve 3, thereby effectively adjusting the injection port flow rate and flow rate to meet different injection molding needs.

[0040] 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.

[0041] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. A molding die with an injection port size adjustment structure, comprising a molding die (2); characterized in that: The molding die (2) is provided with a countersunk hole for the injection nozzle (7) to penetrate; the feed end of the injection nozzle (7) is fixedly mounted on the mounting sleeve (3); the end of the mounting sleeve (3) away from the injection nozzle (7) is fixedly mounted on the extruder (1); The mounting sleeve (3) is also installed in cooperation with the regulating assembly (4); the regulating assembly (4) includes a regulating valve (42); the regulating valve (42) is installed in cooperation with the interior of the mounting sleeve (3); one end of the regulating valve (42) is installed in cooperation with the protrusion at the end of the moving cylinder (44) through a spring (43).

2. A molding die with an injection port size adjustment structure according to claim 1, characterized in that: A guide groove (46) is provided on the side wall of the movable cylinder (44); the guide groove (46) is closely connected to the shifting post (45); and the shifting post (45) is fixedly mounted on the inner wall of the fixed cylinder (40).

3. The molding die with an injection port size adjustment structure according to claim 1, characterized in that: The spring (43) is installed in a coordinated manner inside the fixing cylinder (40).

4. The molding die with an injection port size adjustment structure according to claim 3, characterized in that: The end of the moving cylinder (44) away from the spring (43) is fixedly mounted on the push rod of the electric push cylinder (5); the bottom of the electric push cylinder (5) is fixedly mounted on the support frame (6); and the support frame (6) is fixedly mounted on the molding mold (2).

5. The molding die with an injection port size adjustment structure according to claim 4, characterized in that: The cross-sections on both sides of the regulating valve (42) are circular, and the diameter of the regulating valve (42) is the same as the inner diameter of the mounting sleeve (3).

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