High-stability ABS draw-bar box injection mold

Abstract

The utility model relates to the technical field of injection molds, in particular to a high-stability ABS draw-bar box injection mold which comprises a top plate and supporting rods, the lower end of the top plate is symmetrically and fixedly connected with the two supporting rods, the lower end of the top plate is provided with a cleaning structure, and the lower ends of the supporting rods are fixedly connected with supporting blocks. And one end of each supporting block is fixedly connected with the lower die. According to the high-stability ABS draw-bar box injection mold, through cooperation of the cleaning structure and the upper mold, a first straight rod can be inserted into an exhaust pipe to cut off raw materials in the exhaust pipe and push the raw materials out of the exhaust pipe, in the same way, a second straight rod cleans the inner wall of an injection molding pipe and cleans and collects the pushed-out waste materials, then mold closing is conducted, and therefore the injection molding efficiency is improved. And the exhaust pipe and the injection molding pipe can be cleaned, so that the device cannot be influenced by air pressure during use, more stable operation and machining are realized, and the injection molding quality is improved.

Description

Technical Field

[0001] This utility model relates to the field of injection mold technology, specifically a high-stability ABS trolley case injection mold. Background Technology

[0002] ABS suitcases offer both good impact resistance and improved hardness and rigidity compared to pure PC materials, resulting in superior overall performance. They also boast excellent processing properties, are easy to mold, and can be crafted into various complex shapes and structures. Furthermore, they are more affordable than pure PC suitcases, offering excellent value for money.

[0003] For example, an ABS trolley case injection mold with authorization announcement number "CN221851016U" uses a threaded rod to move the lower pressure plate downwards to the top of the upper mold. This allows four sets of lower pressure plates to apply sufficient downward pressure to the upper mold, reducing the gap between the upper and lower molds and effectively preventing separation during injection molding, thus improving the stability of the device. However, this device is not convenient for cleaning the vents and injection ports in the mold during injection. After one injection molding process, the vents become blocked by the injected material. During the next injection, the mold is in a relatively sealed state, and under air pressure, the device is prone to producing more air bubbles, resulting in poor processing stability and affecting injection quality. Utility Model Content

[0004] The purpose of this invention is to solve the problem of poor stability of the device affecting the injection molding quality, and to propose a highly stable ABS trolley case injection mold.

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

[0006] Design a high-stability ABS trolley case injection mold, including a top plate and support rods. Two support rods are symmetrically fixedly connected to the lower end of the top plate. The lower end of the top plate is provided with a cleaning structure. Support blocks are fixedly connected to the lower ends of multiple support rods. One end of multiple support blocks is fixedly connected to the lower mold. The upper end of the lower mold abuts against the upper mold.

[0007] Preferably, the cleaning structure includes a first straight rod and a sleeve. The upper end of the sleeve is fixedly connected to the top plate, the inner wall of the sleeve is fixedly connected to the first straight rod, and the lower end of the top plate is fixedly connected to a second straight rod. The lower ends of both the first and second straight rods are provided with grooves.

[0008] Preferably, the upper right side of the upper mold is fixedly connected to the injection tube, and the upper left side of the upper mold is fixedly connected to the exhaust pipe.

[0009] Preferably, the outer wall of the upper mold has two sliders symmetrically fixedly connected, and each slider is slidably connected to a plurality of support rods through through holes opened on its surface.

[0010] Preferably, a multi-stage hydraulic cylinder is fixedly connected to the lower center of the top plate, and the telescopic end of the multi-stage hydraulic cylinder is fixedly connected to the upper mold.

[0011] This utility model proposes a highly stable ABS trolley case injection mold, the advantages of which are as follows: Through the cooperation of the cleaning structure and the upper mold, the operator controls the extension end of the hydraulic cylinder to shorten and return to its original position, allowing the upper mold to move downwards and upwards. The upper and lower molds open, and the operator can then remove the molded trolley case. Simultaneously, when the upper mold moves upwards, the exhaust pipe and injection tube will respectively come into contact with the first and second straight rods, allowing the first straight rod to be inserted into the interior of the exhaust pipe, cutting off and pushing out the raw material inside the exhaust pipe. Similarly, the second straight rod cleans the inner wall of the injection tube. After cleaning and collecting the ejected waste material, the mold is closed again for the next processing. By cleaning the exhaust pipe and injection tube, the device is not affected by air pressure during use, achieving more stable operation and processing, and improving injection molding quality. Attached Figure Description

[0012] Figure 1 This is a schematic diagram of the structure of this utility model;

[0013] Figure 2 This utility model Figure 1 A front sectional view;

[0014] Figure 3 This utility model Figure 1 Top sectional view;

[0015] Figure 4 This is a three-dimensional schematic diagram of the second straight rod in this utility model;

[0016] Figure 5 This is a three-dimensional schematic diagram of the first straight rod and the yielding straight rod of this utility model.

[0017] In the diagram: 1. Top plate, 2. Cleaning structure, 201. First straight rod, 202. Sleeve, 203. Second straight rod, 3. Multi-stage hydraulic cylinder, 4. Support rod, 5. Slider, 6. Exhaust pipe, 7. Lower mold, 8. Upper mold, 9. Injection tube, 10. Support block. Detailed Implementation

[0018] The present invention will be further described below with reference to the accompanying drawings:

[0019] See attached document Figure 1-5In this embodiment, a high-stability ABS trolley case injection mold includes a top plate 1 and support rods 4. Two support rods 4 are symmetrically fixedly connected to the lower end of the top plate 1. A cleaning structure 2 is provided at the lower end of the top plate 1. Support blocks 10 are fixedly connected to the lower ends of multiple support rods 4. One end of multiple support blocks 10 is fixedly connected to the lower mold 7. The upper end of the lower mold 7 abuts against the upper mold 8.

[0020] The upper right side of the upper mold 8 is fixedly connected to the injection tube 9, and the upper left side of the upper mold 8 is fixedly connected to the exhaust pipe 6. Two sliders 5 are symmetrically fixedly connected to the outer wall of the upper mold 8. Multiple sliders 5 are slidably connected to multiple support rods 4 through through holes opened on the surface. A multi-stage hydraulic cylinder 3 is fixedly connected to the lower center of the top plate 1. The telescopic end of the multi-stage hydraulic cylinder 3 is fixedly connected to the upper mold 8. The multi-stage hydraulic cylinder 3 can be configured to meet the working requirements according to actual needs.

[0021] The cleaning structure 2 includes a first straight rod 201 and a sleeve 202. The upper end of the sleeve 202 is fixedly connected to the top plate 1. The first straight rod 201 is fixedly connected to the inner wall of the sleeve 202. The lower end of the top plate 1 is fixedly connected to a second straight rod 203. The lower ends of the first straight rod 201 and the second straight rod 203 are both provided with grooves. The diameters of the first straight rod 201 and the second straight rod 203 are slightly smaller than the inner diameters of the exhaust pipe 6 and the injection molding pipe 9, respectively. At the same time, the lower edges of the first straight rod 201 and the second straight rod 203 are made to resemble blades by the grooves, which can scrape and clean the inner walls of the exhaust pipe 6 and the injection molding pipe 9.

[0022] Working principle:

[0023] When injection molding ABS trolley cases:

[0024] The multi-stage hydraulic cylinder 3 is controlled to work, causing the telescopic end of the multi-stage hydraulic cylinder 3 to extend and drive the upper mold 8 to move downward, so that the upper mold 8 can be pressed against the lower mold 7. The upper mold 8 and the lower mold 7 form a cavity in the shape of half a trolley case shell. Molten ABS trolley case material is injected into the upper mold 8 and the lower mold 7 through the injection tube 9. The air inside is discharged through the exhaust pipe 6. During injection, some material will enter the exhaust pipe 6. After injection, wait for natural cooling and solidification.

[0025] Demolding and cleaning process:

[0026] The operator controls the extension end of the hydraulic cylinder 3 to shorten and return to its original position, allowing the upper mold 8 to move downwards and upwards. The upper mold 8 and lower mold 7 open, and the operator can then remove the molded trolley case. Simultaneously, as the upper mold 8 moves upwards, the vent pipe 6 and injection pipe 9 will respectively come into contact with the first straight rod 201 and the second straight rod 203, allowing the first straight rod 201 to be inserted into the interior of the vent pipe 6, cutting off and pushing out the raw material inside the vent pipe 6. Similarly, the second straight rod 203 cleans the inner wall of the injection pipe 9, cleaning and collecting the ejected waste material. At the same time, the remaining raw material inside the upper mold 8 and lower mold 7 is cleaned, and then the mold is closed for the next processing.

[0027] Although the present invention has been illustrated and described with reference to preferred embodiments, those skilled in the art should understand that various changes in form and detail are possible within the scope of the claims.

Claims

1. A high-stability ABS trolley case injection mold, comprising a top plate (1) and support rods (4), wherein two support rods (4) are symmetrically fixedly connected to the lower end of the top plate (1), characterized in that: The lower end of the top plate (1) is provided with a cleaning structure (2), and the lower ends of the multiple support rods (4) are fixedly connected to support blocks (10). One end of the multiple support blocks (10) is fixedly connected to the lower mold (7), and the upper end of the lower mold (7) is pressed against the upper mold (8).

2. The high-stability ABS trolley case injection mold according to claim 1, characterized in that: The cleaning structure (2) includes a first straight rod (201) and a sleeve (202). The upper end of the sleeve (202) is fixedly connected to the top plate (1). The inner wall of the sleeve (202) is fixedly connected to the first straight rod (201). The lower end of the top plate (1) is fixedly connected to the second straight rod (203). The lower ends of the first straight rod (201) and the second straight rod (203) are both provided with grooves.

3. The high-stability ABS trolley case injection mold according to claim 1, characterized in that: The upper right side of the upper mold (8) is fixedly connected to the injection tube (9), and the upper left side of the upper mold (8) is fixedly connected to the exhaust pipe (6).

4. The high-stability ABS trolley case injection mold according to claim 1, characterized in that: The outer wall of the upper mold (8) is symmetrically fixed with two sliders (5), and the sliders (5) are slidably connected to multiple support rods (4) through through holes opened on the surface.

5. The high-stability ABS trolley case injection mold according to claim 1, characterized in that: The lower center of the top plate (1) is fixedly connected to a multi-stage hydraulic cylinder (3), and the telescopic end of the multi-stage hydraulic cylinder (3) is fixedly connected to the upper mold (8).

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