Injection mold for forming curved surface cover plate
By introducing a circulating cooling system and a convenient installation structure into the injection mold for curved cover plates, the problems of low cooling efficiency and high energy consumption of traditional molds are solved, achieving efficient cooling and multi-purpose adaptability of the mold.
Patent Information
- Application Number
- CN202520437686.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-13
- Publication Date
- 2026-01-20
- Estimated Expiration
- 2035-03-13
AI Technical Summary
Traditional injection molds for curved cover plates have low cooling and shaping efficiency and high energy consumption, making it difficult to meet the needs of high-efficiency production.
A circulating cooling system comprising a cooling tank, a water pump, a pumping pipe, a delivery pipe, and a return pipe was designed. Combined with threaded connections and spring fixing components, it enables convenient installation and efficient cooling of the inner mold.
It improves cooling efficiency and energy utilization, enhances the applicability of molds, and can quickly adapt to the processing needs of different types of cover plates.
Smart Images

Figure CN223812281U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to mould technical field especially relates to a curved surface cover plate forming's injection mold. BACKGROUND
[0002] Curved surface cover plate forming's injection mold is a kind of mould frequently used in the production of the part with curved surface shape, it is usually applied in the field such as automobile, electronic product shell etc. Its basic principle is by injection molding, after heating plastic material to flow state, injection into mould, under the action of mould, it is solidified into shape.
[0003] In injection molding process, especially for the part such as curved surface cover plate with complex shape, the design of mould and the efficiency of cooling system have direct influence on product quality and production efficiency, but traditional injection mold can still be cooled and shaped by cooling system although the cooling and shaping efficiency is low, and energy consumption is large, so a kind of curved surface cover plate forming's injection mold is provided to solve the above problems. UTILITY MODEL CONTENT
[0004] In order to make up for the above shortcomings, the utility model provides a kind of curved surface cover plate forming's injection mold, to improve the problem of low cooling and shaping efficiency and large energy consumption in prior art.
[0005] In order to realize the above purpose, the utility model adopts the following technical scheme: a kind of curved surface cover plate forming's injection mold, including bottom plate, the upper portion of the bottom plate is fixedly connected with cooling box, the upper portion of the cooling box is fixedly connected with lower mould, the upper portion of the lower mould is connected with upper mould, the inside of the lower mould and upper mould is all installed with inner mould, the inside of the lower mould and upper mould is all set with cooling cavity, the cooling cavity is set in the outside of inner mould, the upper portion of the bottom plate one side is fixedly connected with water delivery assembly, the water delivery assembly is used to deliver cooling water, the inside of the cooling box is fixedly connected with cooling pipe.
[0006] As a further description of the above technical scheme:
[0007] The inside of the upper mould is fixedly connected with the four corners of the insertion rod, the insertion rod is clamped and connected on the inside of the lower mould, the inside of the inner mould is fixedly connected with the four corners of the mounting block, the mounting block is clamped and connected in the inside of the lower mould and upper mould, the cooling cavity is installed by bolt and upper mould and mounting block screw connection, the both sides of the mounting block are set with through slot, the inner wall of the through slot is fixedly connected with the fixed assembly on one side, the fixed assembly is used to fix the mounting block.
[0008] As a further description of the above technical scheme:
[0009] The water feeding assembly comprises a water pump, the water pump is fixedly connected to one side of the upper portion of the bottom plate, the input end of the water pump is fixedly connected with a water suction pipe, the output end of the water pump is fixedly connected with a conveying pipe, and one end of the conveying pipe is fixedly connected to the inside of the upper mold.
[0010] As a further description of the above technical solution:
[0011] The bottom of the cooling cavity arranged in the lower mold is fixedly connected with a backflow pipe, and the backflow pipe is fixedly connected with the inside of the upper side of the cooling box.
[0012] As a further description of the above technical solution:
[0013] The fixing assembly comprises a spring, one end of the spring is fixedly connected to the inner wall of one side of the through slot, the other end of the spring is fixedly connected with a trapezoidal block, and the trapezoidal block is slidingly connected to the inside of the mounting block.
[0014] As a further description of the above technical solution:
[0015] The trapezoidal block is slidingly connected to the inside of the through slot.
[0016] As a further description of the above technical solution:
[0017] The inside of the upper side of the upper mold is provided with a feeding opening.
[0018] As a further description of the above technical solution:
[0019] The inside of one side of the cooling box is fixedly connected with a water injection pipe.
[0020] The utility model has the advantages of the following beneficial effects:
[0021] 1、 in the utility model, the water in the cooling pipe cooling box is started, then the water pump is started, the cooling water is sucked through the water suction pipe, is sent to the upper mold cooling cavity through the conveying pipe, flows into the lower mold cooling cavity, cools the injection molding cover plate and sets up, the cooling water that temperature is not enough is sent back to the cooling box and is cooled again, realizes to the cover plate that injection molds to high -efficient cooling setting, forms a circulating cooling system, improves the cooling effect and energy utilization efficiency.
[0022] 2、 in the utility model, the inner mold is placed in the lower mold and the upper mold respectively, when the mounting block is clamped into fixed inner mold, the trapezoidal block and the spring are extruded, after the mounting block is completely clamped, the trapezoidal block is inserted into the mounting block under the spring resilience, realizes the convenient installation and dismounting of the inner mold, so as to process different models of cover plate, improve the applicability of the mold. DRAWINGS
[0023] Figure 1 A three-dimensional view of the injection mold for forming a curved cover plate is provided.
[0024] Figure 2 A split view of the injection mold for forming the curved cover plate is provided in the utility model.
[0025] Figure 3 An inner mold installation structure schematic view of the injection mold for forming the curved cover plate is provided in the utility model.
[0026] Legend:
[0027] 1, bottom plate; 2, cooling box; 3, water pump; 4, water suction pipe; 5, conveying pipe; 6, lower mold; 7, upper mold; 8, inserting rod; 9, injection port; 10, inner mold; 11, cooling cavity; 12, backflow pipe; 13, cooling pipe; 14, bolt; 15, mounting block; 16, through groove; 17, trapezoidal block; 18, spring; 19, water injection pipe. Specific implementation
[0028] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.
[0029] Reference Figure 1 , Figure 2 An embodiment provided by the utility model: an injection mold for forming a curved cover plate, comprising a bottom plate 1, the upper part of the bottom plate 1 is fixedly connected with a cooling box 2, the upper part of the cooling box 2 is fixedly connected with a lower mold 6, the upper part of the lower mold 6 is connected with an upper mold 7 in a fit mode, the inner part of the lower mold 6 and the upper mold 7 is installed with an inner mold 10, the inner part of the lower mold 6 and the upper mold 7 is provided with a cooling cavity 11, the cooling cavity 11 is provided on the outside of the inner mold 10, the upper part of the bottom plate 1 is fixedly connected with a water delivery assembly on one side, the water delivery assembly is used for delivering cooling water, the inner part of the cooling box 2 is fixedly connected with a cooling pipe 13;
[0030] The water delivery assembly comprises a water pump 3, the water pump 3 is fixedly connected on the upper part of the bottom plate 1, the input end of the water pump 3 is fixedly connected with a water suction pipe 4, the output end of the water pump 3 is fixedly connected with a conveying pipe 5, one end of the conveying pipe 5 is fixedly connected in the inner part of the upper mold 7, the bottom part of the cooling cavity 11 provided in the inner part of the lower mold 6 is fixedly connected with a backflow pipe 12, the backflow pipe 12 is fixedly connected on the inner part of the upper side of the cooling box 2, the inner part of the cooling box 2 is fixedly connected with a water injection pipe 19 on one side; the inner part of the upper mold 7 is installed with an injection port 9.
[0031] The water in the cooling box 2 is cooled by starting the cooling pipe 13, then the water pump 3 is started to suck the cooled water through the water suction pipe 4, then the cooling water is transported through the delivery pipe 5, so that the cooling water can smoothly enter the cooling cavity 11 in the upper die 7, then flows into the cooling cavity 11 in the lower die 6, and the cooling water with insufficient temperature is transported through the backflow pipe 12, so that it can flow back to the inside of the cooling box 2, so as to re-cool the cooling water with insufficient temperature, realize efficient cooling and shaping of the aluminum alloy, form a circulating cooling system, and improve the cooling effect and energy utilization efficiency.
[0032] Referring to Figure 1 , Figure 2 , Figure 3 The inside four corners of the upper die 7 are fixedly connected with the insertion rods 8, one side of the insertion rod 8 is clamped and connected in the inside of the lower die 6, one side four corners of the inner die 10 are fixedly connected with the mounting blocks 15, the mounting blocks 15 are clamped and connected in the inside of the lower die 6 and the upper die 7, the cooling cavity 11 is installed by being threadedly connected with the lower die 6, the upper die 7 and the mounting block 15 through the bolts 14, the both sides of the mounting block 15 are provided with the through grooves 16, one side of the inner wall of the through groove 16 is fixedly connected with the fixing assembly, the fixing assembly is used for fixing and limiting the mounting block 15, and the fixing assembly comprises the springs 18, one end of the spring 18 is fixedly connected with the inner wall of one side of the through groove 16, the other end of the spring 18 is fixedly connected with the trapezoidal blocks 17, the trapezoidal block 17 is slidably connected in the inside of the mounting block 15, and the trapezoidal block 17 is slidably connected in the inside of the through groove 16.
[0033] By placing the inner die 10 in the inside of the lower die 6 and the upper die 7 respectively, the mounting block 15 clamps and fixes the inner die 10, and at the same time, the trapezoidal block 17 is extruded to extrude the spring 18 synchronously, so that the spring 18 generates a rebound force, when the mounting block 15 is completely clamped, the trapezoidal block 17 is no longer extruded, and is pushed into the inside of the mounting block 15 under the rebound force of the spring 18, so as to install and fix the inner die 10, and the inner die 10 is conveniently installed and disassembled, so as to process different types of cover plates and improve the applicability of the mold.
[0034] Working principle: when the mold is needed, the inner mold 10 is fixed by being put into the lower mold 6 and the upper mold 7, the trapezoidal block 17 is pressed by the installation block 15, and the spring 18 is pressed, when the installation block 15 is completely fixed, the trapezoidal block 17 is no longer pressed, and is inserted into the installation block 15 under the rebound force of the spring 18, convenient installation and disassembly of the inner mold 10 are realized, different types of cover plates are processed, and the applicability of the mold is improved; the cooling water in the cooling tank 2 is cooled by starting the cooling pipe 13, the water pump 3 is started, the cooling water is pumped through the water suction pipe 4, and then the cooling water is transported through the conveying pipe 5, so that the cooling water enters the cooling cavity 11 in the upper mold 7, and then flows into the cooling cavity 11 in the lower mold 6, the injection molded cover plate is cooled and shaped, and the cooling water with insufficient temperature is transported through the backflow pipe 12 and backflows to the inside of the cooling tank 2, and is cooled again, the injection molded cover plate is efficiently cooled and shaped, a circulating cooling system is formed, and the cooling effect and energy utilization efficiency are improved.
[0035] Finally, it should be noted that: the above only for the preferred embodiments of the utility model, and does not limit the utility model, although the utility model is described in detail with reference to the foregoing embodiments, for the person skilled in the art, it still can modify the technical scheme recorded in the foregoing each embodiment, or equivalent replacement to part of technical features, any modification, equivalent replacement, improvement etc. within the spirit and principles of the utility model, should be included in the protection scope of the utility model.
Claims
1. A curved cover plate forming injection mold comprising a base plate (1), characterized in that: The upper part of the bottom plate (1) is fixedly connected with a cooling box (2), the upper part of the cooling box (2) is fixedly connected with a lower mold (6), the upper part of the lower mold (6) is connected with an upper mold (7), the inside of the lower mold (6) and the upper mold (7) is provided with an inner mold (10), the inside of the lower mold (6) and the upper mold (7) is provided with a cooling cavity (11), the cooling cavity (11) is provided on the outside of the inner mold (10), the upper part of the bottom plate (1) is fixedly connected with a water delivery assembly, the water delivery assembly is used for delivering cooling water, the inside of the cooling box (2) is fixedly connected with a cooling pipe (13).
2. The injection mold for forming a curved cover plate according to claim 1, wherein: The inside of the upper mold (7) is fixedly connected with a plug rod (8), one side of the plug rod (8) is clamped and connected in the inside of the lower mold (6), one side of the inner mold (10) is fixedly connected with a mounting block (15), the mounting block (15) is clamped and connected in the inside of the lower mold (6) and the upper mold (7), the cooling cavity (11) is installed by being screwed with the lower mold (6), the upper mold (7) and the mounting block (15) through bolts (14), both sides of the mounting block (15) are provided with a through groove (16), the inner wall of the through groove (16) is fixedly connected with a fixing assembly, the fixing assembly is used for fixing and limiting the mounting block (15).
3. The injection mold for forming a curved cover plate according to claim 1, wherein: The water delivery assembly comprises a water pump (3), the water pump (3) is fixedly connected to the upper part of the bottom plate (1), the input end of the water pump (3) is fixedly connected with a water suction pipe (4), the output end of the water pump (3) is fixedly connected with a delivery pipe (5), one end of the delivery pipe (5) is fixedly connected in the inside of the upper mold (7).
4. The injection mold for forming a curved cover plate according to claim 1, wherein: The bottom of the cooling cavity (11) provided in the inside of the lower mold (6) is fixedly connected with a reflux pipe (12), the reflux pipe (12) is fixedly connected with the inside of the cooling box (2) on the upper side.
5. The injection mold for forming a curved cover plate according to claim 2, wherein: The fixing assembly comprises a spring (18), one end of the spring (18) is fixedly connected with the inner wall of one side of the through groove (16), the other end of the spring (18) is fixedly connected with a trapezoidal block (17), the trapezoidal block (17) is slidingly connected in the inside of the mounting block (15).
6. The injection mold for forming a curved cover plate according to claim 5, wherein: The trapezoidal block (17) is slidingly connected in the inside of the through groove (16).
7. The injection mold for forming a curved cover plate according to claim 1, wherein: The inside of the upper mold (7) is provided with a material injection port (9) on the upper side.
8. The injection mold for forming a curved cover plate according to claim 1, wherein: The inside of the cooling box (2) is fixedly connected with a water injection pipe (19) on one side.