Multi-mold-cavity mold for rubber part production

Abstract

The utility model relates to the technical field of dies, and discloses a multi-die-cavity die for rubber part production, which comprises a base, a lower die is fixedly arranged in the middle of the upper end of the base, a plurality of forming cavities are formed in the upper end of the lower die at equal intervals, and a plurality of supporting columns are fixedly arranged at the upper end of the base at equal intervals. A top disc is fixedly arranged at the upper ends of the multiple supporting columns, a hydraulic oil cylinder is fixedly arranged at the lower end of the top disc, an upper mold is fixedly connected to the lower end of the hydraulic oil cylinder, an electric telescopic rod is fixedly arranged in the base, and a supporting disc is fixedly arranged at the upper end of the electric telescopic rod. According to the mold, an operator can rapidly take the mold in the multi-mold-cavity production process, meanwhile, the situation that normal operation of the mold is affected due to the fact that plastic raw materials are cooled in the injection process can be prevented, and the taking convenience and the working efficiency of the mold are improved.

Description

Technical Field

[0001] The utility model relates to the technical field of molds, in particular to a multi-cavity mold for producing rubber parts. Background Art

[0002] A multi-cavity mold is a mold used for the production of rubber parts. It has multiple cavities and can produce multiple rubber parts at the same time.

[0003] After searching, it was found that it is difficult to take out the rubber parts in the cavity of the existing multi-cavity molds used for rubber parts production after cooling is completed, and the number of cavities is more than one, which causes the operator to waste time and energy in the process of taking out the rubber parts. At the same time, during the injection molding process, the plastic raw material will gradually cool down when passing through the upper mold, causing the plastic raw material to cool down in the upper mold, thereby affecting the normal operation of the entire mold.

[0004] Therefore, those skilled in the art provide a multi-cavity mold for producing rubber parts to solve the problems raised in the above background technology. Utility Model Content

[0005] The purpose of the utility model is to solve the shortcomings existing in the prior art and to propose a multi-cavity mold for rubber part production. The mold can enable the operator to quickly take it out during the multi-cavity production process, and at the same time prevent the plastic raw material from cooling down during the injection process, thereby affecting the normal operation of the mold, thereby improving the convenience of taking the mold and the work efficiency.

[0006] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0007] A multi-cavity mold for rubber part production, comprising a base, a lower mold is fixedly arranged in the middle of the upper end of the base, a plurality of molding cavities are equidistantly opened at the upper end of the lower mold, a plurality of support columns are fixedly arranged at the upper end of the base, a top plate is fixedly arranged at the upper end of the plurality of support columns, a hydraulic cylinder is fixedly arranged at the lower end of the top plate, an upper mold is fixedly connected to the lower end of the hydraulic cylinder, an electric telescopic rod is fixedly arranged inside the base, and a support plate is fixedly arranged at the upper end of the electric telescopic rod;

[0008] Through the above technical solution, by starting the electric telescopic rod, the demoulding column drives the demoulding plate to move up and down inside the molding cavity, thereby ejecting the cooled rubber parts in the molding cavity, making it convenient for the operator to take them out during the production of multiple molds, thereby improving the convenience of taking the mold.

[0009] Furthermore, a heating box is fixedly arranged at the middle of the upper end of the lower mold, and a plurality of soldering iron cores are fixedly arranged at equal intervals inside the heating box;

[0010] Through the above technical solution, the heating box is stuck inside the heat absorption groove, and the soldering iron core is operated, so that the heat emitted by the soldering iron core is dispersed inside the upper mold, thereby heating the plastic raw material in the flow channel, preventing the plastic raw material from cooling inside the flow channel, causing blockage of the flow channel, and affecting the normal operation of the mold, thereby improving the working efficiency of the mold.

[0011] Furthermore, a plurality of stop blocks are fixedly arranged at equal intervals at the lower end of the upper mold, flow channels are fixedly arranged inside the upper mold and the stop blocks, injection holes are opened at the lower ends of the plurality of stop blocks, and the plurality of flow channels are interconnected with the injection holes;

[0012] According to the above technical solution, the flow channel and the injection hole are connected to each other, so that the injected plastic raw material can smoothly enter the molding cavity.

[0013] Furthermore, a plurality of positioning holes are equidistantly provided on the upper mold, a plurality of positioning rods are equidistantly fixedly provided on the upper end of the lower mold, and the upper ends of the plurality of positioning rods respectively penetrate the corresponding positioning holes and are fixedly provided with limiting plates;

[0014] Through the above technical solution, the upper ends of the positioning rods are respectively penetrated through the corresponding positioning holes and the limiting plates are fixedly arranged, so that the upper mold can be kept stable during the movement and the deviation of the upper mold and the lower mold can be prevented when they are fitted.

[0015] Furthermore, a plurality of support shafts are equidistantly and slidably arranged at the lower end of the inner wall of the base and the lower end of the support plate;

[0016] Through the above technical solution, the demoulding column can be evenly stressed on the support plate through the support shaft.

[0017] Furthermore, a plurality of demoulding columns are fixedly arranged at equal intervals on the upper end of the support plate, and a demoulding plate is fixedly arranged on the upper end of each of the plurality of demoulding columns, and the plurality of demoulding plates slide inside the corresponding molding cavity respectively;

[0018] Through the above technical solution, the stripping plates slide inside the corresponding molding cavities respectively, so that the rubber parts that have been cooled inside the molding cavities can be quickly removed, so that the operators can quickly take them out.

[0019] Furthermore, support legs are fixedly provided at the four corners of the lower end of the base, and anti-slip pads are fixedly provided at the lower ends of the four support legs;

[0020] Through the above technical solution, the anti-skid pads are fixedly arranged at the lower ends of the supporting legs, so that the mold can remain stable during operation.

[0021] Furthermore, a heat absorbing groove is provided in the middle of the lower end of the upper mold, and the heating box is stuck inside the heat absorbing groove;

[0022] Through the above technical solution, the heating box is clamped inside the heat absorption groove, so that the heat emitted by the soldering iron core can be evenly distributed inside the upper mold.

[0023] The utility model has the following beneficial effects:

[0024] 1. The utility model proposes a multi-cavity mold for rubber part production. The mold starts an electric telescopic rod so that the demoulding column drives the demoulding plate to move up and down inside the molding cavity, thereby ejecting the cooled rubber part in the molding cavity, which is convenient for the operator to take during the multi-mold production process, thereby improving the convenience of taking the mold.

[0025] 2. The utility model proposes a multi-cavity mold for rubber parts production. The mold is stuck in the heat absorption groove through a heating box, and the soldering iron core is operated to spread the heat emitted by the soldering iron core inside the upper mold, thereby heating the plastic raw material in the flow channel, preventing the plastic raw material from cooling inside the flow channel, causing blockage of the flow channel, affecting the normal operation of the mold, and thus improving the working efficiency of the mold.

[0026] 3. The utility model proposes a multi-cavity mold for rubber parts production, which allows the operator to quickly pick up the mold during the multi-cavity production process, and at the same time prevents the plastic raw material from cooling during the injection process, thereby affecting the normal operation of the mold, thereby improving the convenience of picking up the mold and the work efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] Figure 1 A three-dimensional diagram of a multi-cavity mold for producing rubber parts proposed by the utility model;

[0028] Figure 2 This is a front cross-sectional view of a multi-cavity mold for rubber part production proposed by the utility model;

[0029] Figure 3 This is a schematic diagram of the upper mold structure of a multi-cavity mold for rubber parts production proposed by the utility model;

[0030] Figure 4 This is a schematic diagram of the stripping plate structure of a multi-cavity mold for rubber parts production proposed by the utility model;

[0031] Figure 5 for Figure 2 Enlarged view of point A in the middle.

[0032] Legend:

[0033] 1. Base; 2. Lower mold; 3. Molding cavity; 4. Support column; 5. Top plate; 6. Hydraulic cylinder; 7. Upper mold; 8. Limit block; 9. Runner; 10. Injection hole; 11. Positioning hole; 12. Positioning rod; 13. Limit plate; 14. Electric telescopic rod; 15. Support plate; 16. Support shaft; 17. Demolding column; 18. Demolding plate; 19. Heating box; 20. Soldering iron core; 21. Heat absorption groove; 22. Support leg; 23. Anti-slip pad. DETAILED DESCRIPTION

[0034] 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.

[0035] Reference Figure 1-5 The utility model provides an embodiment: a multi-cavity mold for rubber part production, including a base 1, a lower mold 2 is fixedly arranged in the middle of the upper end of the base 1, a plurality of molding cavities 3 are equidistantly opened on the upper end of the lower mold 2, a plurality of support columns 4 are fixedly arranged on the upper end of the base 1, a top plate 5 is fixedly arranged on the upper ends of the plurality of support columns 4, a hydraulic cylinder 6 is fixedly arranged on the lower end of the top plate 5, an upper mold 7 is fixedly connected to the lower end of the hydraulic cylinder 6, an electric telescopic rod 14 is fixedly arranged inside the base 1, a support plate 15 is fixedly arranged on the upper end of the electric telescopic rod 14, by starting the electric telescopic rod 14, the demoulding column 17 drives the demoulding plate 18 to move up and down inside the molding cavity 3, thereby ejecting the cooled rubber part in the molding cavity 3, which is convenient for the operator to take it in the process of multi-mold production, thereby improving the convenience of taking the mold.

[0036] A heating box 19 is fixedly arranged at the middle of the upper end of the lower mold 2, and a plurality of soldering iron cores 20 are fixedly arranged at equal intervals inside the heating box 19. The heating box 19 is stuck in the heat absorption groove 21, and the soldering iron cores 20 are operated, so that the heat emitted by the soldering iron cores 20 is dispersed inside the upper mold 7, thereby heating the plastic raw material in the flow channel 9, preventing the plastic raw material from cooling inside the flow channel 9, causing blockage of the flow channel 9, and affecting the normal operation of the mold, thereby improving the working efficiency of the mold.

[0037] A plurality of limit blocks 8 are fixedly arranged at equal distances at the lower end of the upper mold 7, and flow channels 9 are fixedly arranged inside the upper mold 7 and the limit blocks 8. Injection holes 10 are opened at the lower ends of the plurality of limit blocks 8. The plurality of flow channels 9 are interconnected with the injection holes 10. Through the interconnection between the flow channels 9 and the injection holes 10, the injected plastic raw materials can smoothly enter the molding cavity 3.

[0038] A plurality of positioning holes 11 are equidistantly provided on the upper mold 7, and a plurality of positioning rods 12 are equidistantly fixedly provided on the upper end of the lower mold 2. The upper ends of the plurality of positioning rods 12 respectively penetrate the corresponding positioning holes 11 and are fixedly provided with limiting plates 13. By respectively penetrating the corresponding positioning holes 11 and fixing the limiting plates 13 at the upper ends of the positioning rods 12, the upper mold 7 can be kept stable during the movement, thereby preventing deviation of the upper mold 7 and the lower mold 2 during fitting.

[0039] A plurality of support shafts 16 are equidistantly and slidably provided at the lower end of the inner wall of the base 1 and the lower end of the support plate 15 , and the support shafts 16 can make the demoulding column 17 bear the force evenly on the support plate 15 .

[0040] A plurality of demoulding posts 17 are fixedly arranged at equal intervals on the upper end of the support plate 15, and a demoulding plate 18 is fixedly arranged on the upper end of each of the plurality of demoulding posts 17. The plurality of demoulding plates 18 slide in the corresponding molding cavities 3 respectively. By sliding the demoulding plates 18 in the corresponding molding cavities 3 respectively, the rubber parts cooled in the molding cavity 3 can be quickly detached, so that the operator can quickly take them out.

[0041] Support legs 22 are fixedly provided at the four corners of the lower end of the base 1, and anti-skid pads 23 are fixedly provided at the lower ends of the four support legs 22. By fixing the anti-skid pads 23 at the lower ends of the support legs 22, the mold can be kept stable during operation.

[0042] A heat absorbing groove 21 is opened in the middle of the lower end of the upper mold 7, and the heating box 19 is stuck inside the heat absorbing groove 21. By the heating box 19 being stuck inside the heat absorbing groove 21, the heat emitted by the soldering iron core 20 can be evenly distributed inside the upper mold 7.

[0043] Working principle: When the multi-cavity mold for rubber parts production is used, the hydraulic cylinder 6 is first started to move the upper mold 7 downward and fit it with the lower mold 2, so that the limit block 8 is stuck in the molding cavity 3, and then the plastic raw material is injected from the flow channel 9, so that the plastic raw material enters the molding cavity 3 through the injection hole 10. After the plastic raw material is cooled, the hydraulic cylinder 6 is started again to separate the upper mold 7 from the lower mold 2, and at the same time, the electric telescopic rod 14 is started to make the demoulding column 17 drive the demoulding plate 18 to move upward, thereby ejecting the cooled plastic raw material in the molding cavity 3, so as to facilitate the simultaneous removal of multiple rubber parts. At the same time, during the injection process, the heating box 19 is stuck in the heat absorption groove 21, and the interior of the upper mold 7 can be heated through the soldering iron core 20 to prevent the plastic raw material from cooling in the flow channel 9, thereby causing the flow channel 9 to be blocked, affecting the normal operation of the mold, and improving the convenience of taking the mold and the work efficiency.

[0044] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A multi-cavity mold for producing rubber parts, comprising a base (1), characterized in that: A lower mold (2) is fixedly arranged in the middle of the upper end of the base (1), and a plurality of molding cavities (3) are equidistantly provided at the upper end of the lower mold (2). A plurality of support columns (4) are fixedly arranged at the upper end of the base (1), and a top plate (5) is fixedly arranged at the upper end of the plurality of support columns (4). A hydraulic cylinder (6) is fixedly arranged at the lower end of the top plate (5), and an upper mold (7) is fixedly connected to the lower end of the hydraulic cylinder (6). An electric telescopic rod (14) is fixedly arranged inside the base (1), and a support plate (15) is fixedly arranged at the upper end of the electric telescopic rod (14).

2. A multi-cavity mold for rubber part production according to claim 1, characterized in that: A heating box (19) is fixedly arranged in the middle of the upper end of the lower mold (2), and a plurality of soldering iron cores (20) are fixedly arranged at equal intervals inside the heating box (19).

3. The multi-cavity mold for rubber part production according to claim 1, characterized in that: A plurality of limit blocks (8) are fixedly arranged at equal intervals on the lower end of the upper mold (7); flow channels (9) are fixedly arranged inside the upper mold (7) and the limit blocks (8); injection holes (10) are opened at the lower ends of the plurality of limit blocks (8); and the plurality of flow channels (9) and the injection holes (10) are interconnected.

4. The multi-cavity mold for rubber part production according to claim 1, characterized in that: The upper mold (7) is provided with a plurality of locating holes (11) at equal intervals, and the upper end of the lower mold (2) is fixedly provided with a plurality of locating rods (12) at equal intervals, and the upper ends of the plurality of locating rods (12) respectively penetrate the corresponding locating holes (11) and are fixedly provided with a limiting plate (13).

5. The multi-cavity mold for rubber part production according to claim 1, characterized in that: A plurality of support shafts (16) are equidistantly and slidably arranged at the lower end of the inner wall of the base (1) and the lower end of the support plate (15).

6. The multi-cavity mold for rubber part production according to claim 1, characterized in that: A plurality of demoulding columns (17) are fixedly arranged at equal intervals on the upper end of the support plate (15), and a demoulding plate (18) is fixedly arranged on the upper end of each of the plurality of demoulding columns (17). The plurality of demoulding plates (18) slide inside the corresponding molding cavities (3) respectively.

7. The multi-cavity mold for rubber part production according to claim 1, characterized in that: Support legs (22) are fixedly arranged at the four corners of the lower end of the base (1), and anti-slip pads (23) are fixedly arranged at the lower ends of the four support legs (22).

8. The multi-cavity mold for rubber part production according to claim 2, characterized in that: A heat absorbing groove (21) is provided in the middle of the lower end of the upper mold (7), and the heating box (19) is stuck inside the heat absorbing groove (21).

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