An injection mold for plastic product processing with shortened molding cycle
By using the design of spiral cooling tubes and S-type cooling tubes in the injection mold and combined with the use of heating plates, the problem of poor cooling effect of the injection mold is solved, and the effect of shortening the molding cycle and improving processing efficiency is achieved.
Patent Information
- Application Number
- CN202520106979.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-17
- Publication Date
- 2025-04-04
- Estimated Expiration
- 2035-01-17
AI Technical Summary
The existing injection molds have poor cooling effect, resulting in a long molding cycle and low processing efficiency of plastic products.
An injection mold is designed, and a spiral cooling tube and an S-shaped cooling tube are arranged around the mold groove of the lower mold seat, and heated on the heating plate of the upper mold seat to ensure that the plastic products remain molten during injection molding and forming.
Through improved cooling system and heating plate design, the molding cycle of plastic products is significantly shortened and processing efficiency is improved.
Smart Images

Figure CN222712775U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of injection mold structure, in particular to an injection mold for processing plastic products with a shortened molding cycle. Background Art
[0002] Plastic products are a general term for daily necessities and industrial products made of plastic as the main raw material, including products made from injection molding, vacuum forming and other processes using plastic as raw material. Plastic is a type of synthetic polymer material with plasticity. When plastic products are injection molded, injection molds are required to mold the plastic products.
[0003] After searching, the authorization announcement number CN221584346U discloses an injection mold. The injection mold includes a temperature control component and a mold core. The temperature control component includes a heating part and a cooling part, and the heating part and the cooling part abut against each other along a first direction. The temperature control group has a first injection channel, and the first injection channel passes through the heating part and the cooling part along the first direction. The mold core has a molding cavity and a second injection channel, one end of the second injection channel is connected to the first injection channel, and the other end is connected to the molding cavity. Along the first direction, the side of the mold core away from the molding cavity is connected to the temperature control component. The heating part can heat the molten glue in the injection mold to improve the fluidity of the molten glue, and the cooling part can cool the injection mold to increase the molding speed of the molten glue. The setting of the temperature control component greatly improves the injection and molding efficiency of the molten glue. The technical solution of the present application can shorten the molding cycle of the injection mold and improve the production efficiency of the product.
[0004] However, after the existing injection mold is injected, the cooling effect of the injection mold is not good, which leads to a slow molding cycle of the plastic product, thus making the processing efficiency of the plastic product low. Therefore, the market is in urgent need of an injection mold for plastic product processing with a shortened molding cycle to solve these problems. Utility Model Content
[0005] The purpose of the utility model is to provide an injection mold for processing plastic products with a shortened molding cycle, so as to solve the problem that after the existing injection mold is injected, the cooling effect of the injection mold is not good, which leads to a slow molding cycle of the plastic product, thus making the processing efficiency of the plastic product low.
[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an injection mold for processing plastic products with a shortened molding cycle, comprising a lower mold base, a molding die groove is arranged inside the upper end of the lower mold base, a cooling chamber 1 is arranged around the molding die groove, a spiral cooling pipe is installed inside the cooling chamber 1, a cooling chamber 2 is arranged at the lower end of the molding die groove, an S-shaped cooling pipe is installed inside the cooling chamber 2, a mounting seat is arranged on one side of the lower mold base, a pushing cylinder is installed on one side of the mounting seat, an upper mold base is installed above the lower mold base, an injection port is arranged inside the upper mold base, mounting chambers are arranged at both ends of the injection port, a heating plate is installed inside the mounting chamber, and a molding seat corresponding to the molding die groove is arranged at the lower end of the upper mold base.
[0007] By adopting the above technical solution, the injection mold can be controlled to be conveniently heated and cooled, thereby improving the molding efficiency of plastic products.
[0008] Furthermore, a water inlet seat is provided at one end of the spiral cooling tube, and a water outlet seat is provided at the other end of the spiral cooling tube.
[0009] By adopting the above technical solution, the lower die seat can have a good cooling effect.
[0010] Furthermore, an S-shaped cooling pipe is installed inside the second cooling chamber, a water inlet seat 2 is arranged at one end of the S-shaped cooling pipe, and a water outlet seat 2 is arranged at the other end of the S-shaped cooling pipe.
[0011] By adopting the above technical solution, the cooling effect of the lower die seat can be further improved.
[0012] Furthermore, a mounting plate is provided at one end of the pushing cylinder, the mounting plate and the mounting seat are fixedly connected by fixing screws, a connecting rod is provided inside the mounting seat, a telescopic rod is provided at one end of the pushing cylinder, a pushing rod is provided at one end of the telescopic rod, and one end of the pushing rod is located inside the molding die groove.
[0013] By adopting the above technical solution, the pushing cylinder can push the telescopic rod, so that the pushing rod can conveniently demould the plastic product.
[0014] Furthermore, positioning holes are arranged inside the periphery of the upper die base, and a positioning rod corresponding to the positioning hole is arranged at the upper end of the lower die base, and the positioning rod is located inside the positioning hole.
[0015] By adopting the above technical solution, the upper die seat can be positioned and moved.
[0016] Furthermore, two heating plates are provided, and the two heating plates are symmetrical with respect to the vertical center line of the upper mold base.
[0017] By adopting the above technical solution, the heating plate can be heated, so that the plastic can be in a molten state, thereby facilitating extrusion molding.
[0018] Furthermore, a fixing groove is provided at the upper end of the installation chamber, a sealing seat is installed inside the fixing groove, and the sealing seat is fixedly connected to the upper mold seat by installing screws.
[0019] By adopting the above technical solution, the sealing seat and the upper mold seat can be conveniently installed and fixed.
[0020] Compared with the prior art, the beneficial effects of the utility model are:
[0021] (1) The utility model allows the molten raw material to enter from the injection port, and then turns on the heating plate to keep the raw material in a molten state, thereby facilitating the injection molding of the raw material and preventing the raw material from solidifying during the transportation process, thereby affecting the injection molding effect;
[0022] (2) After the injection molding of the utility model is completed, cooling water is introduced from the water inlet seat 1 and the water inlet seat 2 into the interior of the spiral cooling pipe and the S-shaped cooling pipe respectively, so that the molding mold groove can be cooled and molded quickly, so that the injection molded plastic product can be quickly cooled and molded, which can shorten the molding cycle and effectively improve the processing efficiency of plastic products. BRIEF DESCRIPTION OF THE DRAWINGS
[0023] Figure 1 It is an overall three-dimensional diagram of the utility model;
[0024] Figure 2 It is a front cross-sectional view of the utility model;
[0025] Figure 3 For the utility model Figure 2 A partial enlarged view of area A;
[0026] Figure 4 For the utility model Figure 2 A partial enlarged view of area B.
[0027] In the figure: 1. lower mold base; 101. molding die groove; 102. cooling chamber one; 103. cooling chamber two; 2. mounting base; 3. pushing cylinder; 301. mounting plate; 4. fixing screw; 5. connecting rod; 6. telescopic rod; 7. pushing rod; 8. upper mold base; 801. positioning hole; 802. injection port; 803. mounting chamber; 804. fixing groove; 805. molding base; 9. heating plate; 10. sealing base; 11. mounting screw; 12. positioning rod; 13. spiral cooling pipe; 14. S-shaped cooling pipe; 15. water inlet base one; 16. water outlet base one; 17. water inlet base two; 18. water outlet base two. DETAILED DESCRIPTION
[0028] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.
[0029] See also Figure 1-Figure 4 The utility model provides an embodiment: an injection mold for processing plastic products with a shortened molding cycle, comprising a lower mold base 1, a molding die groove 101 is arranged inside the upper end of the lower mold base 1, a cooling chamber 102 is arranged around the molding die groove 101, a spiral cooling pipe 13 is installed inside the cooling chamber 102, a cooling chamber 2 103 is arranged at the lower end of the molding die groove 101, an S-shaped cooling pipe 14 is installed inside the cooling chamber 2 103, a mounting seat 2 is arranged on one side of the lower mold base 1, a pushing cylinder 3 is installed on one side of the mounting seat 2, an upper mold base 8 is installed above the lower mold base 1, an injection port 802 is arranged inside the upper mold base 8, mounting chambers 803 are arranged at both ends of the injection port 802, a heating plate 9 is installed inside the mounting chamber 803, a molding seat 805 corresponding to the molding die groove 101 is arranged at the lower end of the upper mold base 8, and a water inlet seat 1 is arranged at one end of the spiral cooling pipe 13. 5. A water outlet seat 16 is arranged at the other end of the spiral cooling tube 13, a water inlet seat 2 17 is arranged at one end of the S-shaped cooling tube 14, a water outlet seat 2 18 is arranged at the other end of the S-shaped cooling tube 14, positioning holes 801 are arranged inside the upper mold base 8, and a positioning rod 12 corresponding to the positioning hole 801 is arranged at the upper end of the lower mold base 1, and the positioning rod 12 is located inside the positioning hole 801, wherein the spiral cooling tube 13 arranged through the cooling chamber 102 and the S-shaped cooling tube 14 arranged inside the cooling chamber 2 103 can conveniently and quickly cool and mold the injection molded plastic products, and the installed heating plate 9 can heat the raw materials for injection molding to avoid the raw materials from solidifying during the injection molding process, thereby affecting the injection molding effect. It should be noted that in order to save space and highlight the innovative elements of this patent, such as how to perform the injection molding process, it will not be repeated in this patent.
[0030] See also Figure 1and Figure 2 A mounting plate 301 is provided at one end of the pushing cylinder 3, and the mounting plate 301 is fixedly connected to the mounting seat 2 by a fixing screw 4. A connecting rod 5 is provided inside the mounting seat 2, and a telescopic rod 6 is provided at one end of the pushing cylinder 3. A pushing rod 7 is provided at one end of the telescopic rod 6, and one end of the pushing rod 7 is located inside the molding die groove 101. The fixing screw 4 can be used to conveniently install and fix the pushing cylinder 3 and the mounting seat 2. The pushing cylinder 3 can make the telescopic rod 6 push the pushing rod 7 so that demoulding can be conveniently performed.
[0031] See also Figure 2 and Figure 3 There are two heating plates 9, which are symmetrical about the vertical center line of the upper mold base 8. A fixing groove 804 is provided at the upper end of the installation chamber 803, and a sealing seat 10 is installed inside the fixing groove 804. The sealing seat 10 is fixedly connected to the upper mold base 8 by installing screws 11. The heating plate 9 can prevent the raw material from solidifying during the injection molding process, thereby affecting the injection molding effect.
[0032] Working principle: When in use, the molten raw material is introduced from the injection port 802, and then heated by controlling the heating plate 9. The heating plate 9 can keep the raw material in a molten state, so that the raw material can be conveniently injection molded and prevented from solidifying during the transportation process, thereby affecting the injection molding effect. When the injection molding is completed, cooling water is respectively introduced from the water inlet seat 15 and the water inlet seat 2 17 into the interior of the spiral cooling pipe 13 and the S-shaped cooling pipe 14, so that the molding groove 101 can be conveniently cooled, so that the injection molded plastic product can be quickly cooled and molded, which can shorten the molding cycle and effectively improve the processing efficiency of plastic products.
[0033] 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.
Claims
1. An injection mold for processing plastic products with a shortened molding cycle, comprising a lower mold base (1), characterized in that: A molding die groove (101) is arranged inside the upper end of the lower mold base (1), a cooling chamber 1 (102) is arranged around the molding die groove (101), a spiral cooling pipe (13) is installed inside the cooling chamber 1 (102), a cooling chamber 2 (103) is arranged at the lower end of the molding die groove (101), an S-shaped cooling pipe (14) is installed inside the cooling chamber 2 (103), a mounting seat (2) is arranged on one side of the lower mold base (1), a pushing cylinder (3) is installed on one side of the mounting seat (2), an upper mold base (8) is installed above the lower mold base (1), an injection port (802) is arranged inside the upper mold base (8), mounting chambers (803) are arranged at both ends of the injection port (802), a heating plate (9) is installed inside the mounting chamber (803), and a molding seat (805) corresponding to the molding die groove (101) is arranged at the lower end of the upper mold base (8).
2. The injection mold for plastic products with shortened molding cycle according to claim 1, characterized in that: A water inlet seat (15) is provided at one end of the spiral cooling tube (13), and a water outlet seat (16) is provided at the other end of the spiral cooling tube (13).
3. The injection mold for plastic product processing with shortened molding cycle according to claim 2, characterized in that: A second water inlet seat (17) is provided at one end of the S-shaped cooling pipe (14), and a second water outlet seat (18) is provided at the other end of the S-shaped cooling pipe (14).
4. The injection mold for plastic product processing with shortened molding cycle according to claim 3, characterized in that: A mounting plate (301) is provided at one end of the push cylinder (3); the mounting plate (301) is fixedly connected to the mounting seat (2) via a fixing screw (4); a connecting rod (5) is provided inside the mounting seat (2); a telescopic rod (6) is provided at one end of the push cylinder (3); a push rod (7) is provided at one end of the telescopic rod (6); and one end of the push rod (7) is located inside the molding die groove (101).
5. The injection mold for plastic product processing with shortened molding cycle according to claim 4, characterized in that: Positioning holes (801) are arranged inside the periphery of the upper die seat (8), and a positioning rod (12) corresponding to the positioning hole (801) is arranged at the upper end of the lower die seat (1), and the positioning rod (12) is located inside the positioning hole (801).
6. The injection mold for plastic product processing with shortened molding cycle according to claim 5, characterized in that: Two heating plates (9) are provided, and the two heating plates (9) are symmetrical with respect to the vertical center line of the upper mold base (8).
7. The injection mold for plastic product processing with shortened molding cycle according to claim 6, characterized in that: A fixing groove (804) is provided at the upper end of the installation chamber (803), a sealing seat (10) is installed inside the fixing groove (804), and the sealing seat (10) is fixedly connected to the upper mold seat (8) via mounting screws (11).
Citation Information
Patent Citations
Injection mold
CN221584346U