Resin injection mold with good sealing effect

By designing the clamping mechanism, lifting mechanism and water-cooling mechanism in the resin injection mold, the problem of the existing mold affecting the molding effect during the extraction process and the lack of cooling devices to lead to a long forming time, achieving better sealing effect and higher usage efficiency.

CN118372422BActive Publication Date: 2025-05-09GUANGZHOU ZHONGQIANG PLASTIC PROD CO LTD
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Patent Information

Application Number
CN202410265056.3
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2023-04-23
Publication Date
2025-05-09
Estimated Expiration
2043-04-23

AI Technical Summary

Technical Problem

The existing injection molds with good sealing effects will affect the material forming effect during the air extraction process, and the lack of cooling devices will lead to a long material forming time, affecting the use efficiency.

Method used

A resin injection mold including a clamping mechanism, a lifting mechanism and a water cooling mechanism is designed. The clamping mechanism enhances the sealing of the upper mold and the lower mold through the cooperation of the first and second clamping mechanisms; the lifting mechanism realizes the lifting of the upper mold through the cooperation of the motor, worm and worm gear, and improves the sealing effect; the water cooling mechanism realizes the cooling of the lower mold through the cooperation of the water tank, water pump, cooling pipe and condenser, and shortens the material forming time.

Benefits of technology

Through the design of the clamping mechanism, the sealing of the mold is improved, dust and material flow out, and the forming effect is ensured; through the design of the lifting mechanism, the close contact between the upper mold and the lower mold is achieved, and the sealing effect is improved; through the design of the water-cooling mechanism, the material forming time is shortened and the use efficiency is improved.

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Abstract

The invention relates to the technical field of injection molds, and discloses a resin injection mold with good sealing effect, comprising a support rod, the top of the support rod is fixedly connected to a processing box, the top of the processing box is fixedly connected to a lifting mechanism, the bottom of the lifting mechanism is fixedly connected to an upper mold, the bottom of the upper mold is fixedly connected to a sealing member, the bottom of the processing box is fixedly connected to a lower mold, a sealing groove is provided inside the lower mold, a clamping mechanism is fixedly connected to the front of the lower mold, a water cooling mechanism is fixedly connected to the right side of the processing box, the clamping mechanism comprises a convex block, the convex block is fixedly connected to the front of the lower mold, a fixing rod is fixedly connected to the inside of the convex block, the sealing member can be more stably inserted into the sealing groove through the internally arranged clamping mechanism, the upper mold is more tightly connected to the lower mold, and the lifting mechanism can facilitate staff to take the finished resin product.
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Description

Technical Field

[0001] The invention relates to the technical field of injection molds, in particular to a resin injection mold with good sealing effect. Background Art

[0002] Injection molding, also known as injection molding, is a molding method that combines injection and molding. The advantages of the injection molding method are fast production speed, high efficiency, automated operation, a wide variety of colors, shapes from simple to complex, sizes from large to small, and precise product sizes. The product is easy to update and can be made into parts with complex shapes. Injection molding is suitable for mass production and molding processing fields such as products with complex shapes. Resin usually refers to an organic polymer that has a softening or melting range after being heated, has a tendency to flow under the action of external force when softened, is solid, semi-solid, and sometimes liquid at room temperature.

[0003] An injection mold with good sealing effect, with announcement number CN 209971373 U, discharges the gas inside the upper mold plate and the lower mold plate to facilitate opening of the upper mold plate, and resets the sealing plate by a spring after the transmission device stops operating, thereby achieving the beneficial effect of increasing the sealing effect of the injection mold and facilitating sealing of the injection mold.

[0004] The injection mold with good sealing effect seals the mold by extracting the gas inside the mold. During the gas extraction process, the gas inside the mold is pumped with the help of external equipment. During the pumping process, the suction force will affect the final molding effect of the material, causing the material to appear in different shapes, which is not satisfactory for use. The device separates the mold through an operating rod set on the top. When the objects inside the mold are too high, the outer periphery of the operating rod may become hot, which is inconvenient for the staff to take them out. There is no device for cooling the mold inside the device, which makes the molding time of the material inside the mold longer and inconvenient to use. Therefore, improvement is needed. Summary of the invention

[0005] The object of the present invention is to provide a resin injection mold with good sealing effect to solve the problems raised in the above background technology.

[0006] In order to solve the above technical problems, the present invention provides the following technical solutions: a resin injection mold with good sealing effect, comprising a support rod, the top of the support rod is fixedly connected to a processing box, the top of the processing box is fixedly connected to a lifting mechanism, the bottom of the lifting mechanism is fixedly connected to an upper mold, the bottom of the upper mold is fixedly connected to a sealing member, the bottom of the processing box is fixedly connected to a lower mold, a sealing groove is provided inside the lower mold, the front of the lower mold is fixedly connected to a clamping mechanism, and the right side of the processing box is fixedly connected to a water cooling mechanism;

[0007] The clamping mechanism includes a protrusion, which is fixedly connected to the front side of the lower mold, a fixing rod is fixedly connected inside the protrusion, a first clamping block is slidably connected to the periphery of the fixing rod, a second clamping block is arranged on the right side of the first clamping block, the left side of the second clamping block and the right side of the first clamping block are fitted with each other, the second clamping block is fixedly connected to the front side of the upper mold, a slide plate is fixedly connected to the bottom of the first clamping block, a connecting plate is fixedly connected to the right side of the slide plate, a connecting plate moving block is fixedly connected to the right side of the connecting plate, and a limited position frame is fixedly connected to the bottom of the protrusion.

[0008] According to the above technical solution, a fixed block is fixedly connected to the front side of the lower mold, a support plate is slidably connected inside the fixed block, and the front side of the support plate is fixedly connected to the back end of the connecting plate. The support plate can support the connecting plate, making the connecting plate more stable during movement.

[0009] According to the above technical solution, a telescopic rod is fixedly connected to the inside of the moving block, a tilting block is fixedly connected to the front of the telescopic rod, the tilting block is slidably connected to the inside of the moving block, and a second spring is sleeved on the outer periphery of the telescopic rod. The telescopic rod and the second spring can support the tilting block, and the tilting block can be limited by the limit frame, so that the first clamping block is not easy to move when subjected to external force.

[0010] According to the above technical solution, a first spring is sleeved on the outer periphery of the fixing rod, the left side of the first spring is fixedly connected to the inside of the protrusion, and the side of the first spring away from the protrusion is fixedly connected to the left side of the first clamping block. The first spring can enable the first clamping block to better limit the second clamping block and fix the upper mold and the lower mold.

[0011] According to the above technical solution, the lifting mechanism includes a pad, which is fixedly connected to the right side of the processing box, a motor is fixedly connected to the top of the pad, a worm is fixedly connected to the left side of the motor, the side of the worm away from the motor is rotatably connected to the inside of the processing box, the worm is meshed with a worm wheel, the top of the worm wheel is fixedly connected to a connecting rod, the top of the connecting rod is fixedly connected to an arc block, and the arc block is slidably connected to the top of the processing box.

[0012] According to the above technical solution, a threaded rod is connected to the internal thread of the worm gear, the bottom of the threaded rod is rotatably connected to the top of the upper mold, the top of the threaded rod is rotatably connected to a limit block, and the limit block is slidably connected to the inside of the processing box. When the threaded rod is lifted or lowered, it can drive the upper mold to be lifted or lowered. When the resin is being molded, the threaded rod can drive the upper mold away from the lower mold, making it convenient for the staff to take the finished resin product.

[0013] According to the above technical solution, a first pulley is fixedly connected to the periphery of the worm, a transmission belt is connected to the periphery of the first pulley, a second pulley is connected to the periphery of the transmission drive away from the first pulley, and the second pulley is fixedly connected to the periphery of the worm, and the second pulley can be driven to rotate by the first pulley and the transmission belt, so that the two worms can rotate at the same time.

[0014] According to the above technical solution, the water cooling mechanism includes a water tank, which is fixedly connected to the right side of the processing box, a water inlet pipe is fixedly connected to the inside of the water tank, a water pump is fixedly connected to the periphery of the water inlet pipe, the water pump is fixedly connected to the top of the water tank, a cooling pipe is fixedly connected to the side of the water inlet pipe away from the water tank, the cooling pipe is fixedly connected to the bottom of the processing box, a water outlet pipe is fixedly connected to the side of the cooling pipe away from the water tank, and the outlet pipe is fixedly connected to the inside of the water tank.

[0015] According to the above technical solution, a condenser is fixedly connected to the outer periphery of the water outlet pipe, and the condenser is fixedly connected to the right side of the processing box. The condenser can cool the water inside the water outlet pipe, so that the water temperature inside the water tank is not easy to rise.

[0016] Compared with the prior art, the beneficial effects achieved by the present invention are:

[0017] 1. The resin injection mold with good sealing effect can make the upper mold and the lower mold connected more tightly through the first clamping block and the second block arranged on the clamping mechanism, so that dust is not easy to appear inside the upper mold and the lower mold, and the resin material is not easy to flow out, so that the resin material molding effect is better. The first clamping block can be limited by the limit frame, the moving block and the tilting block to prevent the first clamping block from being separated from the second clamping block when subjected to external force, so that the upper mold and the lower mold are separated.

[0018] 2. The resin injection mold with good sealing effect is provided with a motor, a worm, a worm wheel and a threaded rod on the lifting mechanism, so that the motor can drive the worm wheel to rotate through the worm, so that the worm wheel can drive the threaded rod to move up and down, so that the threaded rod can drive the upper mold to move downward, so that the bottom of the upper mold can contact the top of the lower mold, so that the sealing member at the bottom of the upper mold can be inserted into the sealing groove inside the lower mold, so that the sealing effect between the upper mold and the lower mold is better, and the limit block can limit the position of the threaded rod, so that the threaded rod is not easy to get out of the processing box

[0019] 3. The resin injection mold with good sealing effect is provided with a water tank, a water pump, a cooling pipe, a water inlet pipe and a water outlet pipe on the cooling mechanism. The water inside the water tank is transferred to the cooling pipe through the water pump and the water inlet pipe, so that the cooling pipe can cool the lower mold, so that the material inside the lower mold can be cooled and formed faster. The high-temperature water inside the cooling pipe can be cooled by the condenser through the water outlet pipe and then transferred to the water tank. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0021] Figure 1 It is a three-dimensional diagram of the structure of the present invention;

[0022] Figure 2 Extract the structural diagram for the lifting mechanism;

[0023] Figure 3 It is a cross-sectional structural diagram of the lifting mechanism;

[0024] Figure 4 Extract the structural diagram for the clamping mechanism;

[0025] Figure 5 Extract the structural diagram for the moving block and telescopic rod;

[0026] Figure 6 Extract the structural diagram for the water cooling mechanism.

[0027] In the figure: 1, support rod; 2, clamping mechanism; 21, moving block; 22, limiting frame; 23, connecting plate; 231, support plate; 232, fixed block; 24, slide plate; 25, protrusion; 26, first spring; 27, fixed rod; 28, first clamping block; 29, second clamping block; 201, telescopic rod; 202, second spring; 203, tilting block; 3, upper mold; 4, lifting mechanism; 41, worm; 42 , worm gear; 43, first pulley; 44, arc block; 45, threaded rod; 451, limit block; 46, second pulley; 47, transmission belt; 48, connecting rod; 49, motor; 491, pad; 5, processing box; 6, seal; 7, sealing groove; 8, water cooling mechanism; 81, cooling pipe; 82, water tank; 83, water outlet pipe; 84, condenser; 85, water pump; 86, water inlet pipe; 9, lower mold. DETAILED DESCRIPTION

[0028] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0029] The present invention provides the following technical solutions:

[0030] Embodiment 1

[0031] Combination Figure 1-6 A resin injection mold with good sealing effect includes a support rod 1, a processing box 5 is fixedly connected to the top of the support rod 1, a lifting mechanism 4 is fixedly connected to the top of the processing box 5, an upper mold 3 is fixedly connected to the bottom of the lifting mechanism 4, a sealing member 6 is fixedly connected to the bottom of the upper mold 3, a lower mold 9 is fixedly connected to the bottom of the processing box 5, a sealing groove 7 is opened inside the lower mold 9, a clamping mechanism 2 is fixedly connected to the front of the lower mold 9, and a water cooling mechanism 8 is fixedly connected to the right side of the processing box 5;

[0032] The clamping mechanism 2 includes a protrusion 25, which is fixedly connected to the front face of the lower mold 9. A fixing rod 27 is fixedly connected inside the protrusion 25. A first clamping block 28 is slidably connected to the periphery of the fixing rod 27. A second clamping block 29 is arranged on the right side of the first clamping block 28. The left side of the second clamping block 29 and the right side of the first clamping block 28 are in contact with each other. The second clamping block 29 is fixedly connected to the front face of the upper mold 3. A slide plate 24 is fixedly connected to the bottom of the first clamping block 28. A connecting plate 23 is fixedly connected to the right side of the slide plate 24. The right side of the connecting plate 23 is fixedly connected to the moving block 21. The bottom of the protrusion 25 is fixedly connected to the limiting frame 22.

[0033] Furthermore, the front side of the lower mold 9 is fixedly connected with a fixed block 232, and the interior of the fixed block 232 is slidably connected with a support plate 231, and the front side of the support plate 231 is fixedly connected to the back end of the connecting plate 23. The support plate 231 can support the connecting plate 23, so that the connecting plate 23 is more stable during the movement.

[0034] Furthermore, a telescopic rod 201 is fixedly connected to the inside of the moving block 21, a tilting block 203 is fixedly connected to the front of the telescopic rod 201, the tilting block 203 is slidably connected to the inside of the moving block 21, and a second spring 202 is sleeved on the outer periphery of the telescopic rod 201. The telescopic rod 201 and the second spring 202 can support the tilting block 203, and the tilting block 203 can be limited by the limit frame 22, so that the first clamping block 28 is not easy to move when subjected to external force.

[0035] Furthermore, a first spring 26 is sleeved on the outer periphery of the fixing rod 27. The left side of the first spring 26 is fixedly connected to the inside of the protrusion 25, and the side of the first spring 26 away from the protrusion 25 is fixedly connected to the left side of the first clamping block 28. The first spring 26 can enable the first clamping block 28 to better limit the second clamping block 29, thereby fixing the upper mold 3 and the lower mold 9.

[0036] Embodiment 2

[0037] See also Figure 1-6On the basis of the first embodiment, the lifting mechanism 4 further comprises a pad 491, the pad 491 is fixedly connected to the right side of the processing box 5, the top of the pad 491 is fixedly connected to a motor 49, the left side of the motor 49 is fixedly connected to a worm 41, the side of the worm 41 away from the motor 49 is rotatably connected to the inside of the processing box 5, the worm 41 is meshed with a worm wheel 42, the top of the worm wheel 42 is fixedly connected to a connecting rod 48, the top of the connecting rod 48 is fixedly connected to an arc block 44, and the arc block 44 is slidably connected to the top of the processing box 5.

[0038] Furthermore, a threaded rod 45 is connected to the internal thread of the worm gear 42, the bottom of the threaded rod 45 is rotatably connected to the top of the upper mold 3, the top of the threaded rod 45 is rotatably connected to a limit block 451, and the limit block 451 is slidably connected to the inside of the processing box 5. When the threaded rod 45 is lifted or lowered, it can drive the upper mold 3 to be lifted or lowered. When the resin is molded, the threaded rod 45 can drive the upper mold 3 away from the lower mold 9, making it convenient for the staff to take the finished resin product.

[0039] Furthermore, a first pulley 43 is fixedly connected to the periphery of the worm 41, a transmission belt 47 is transmission-connected to the periphery of the first pulley 43, a second pulley 46 is transmission-connected to the periphery of the transmission belt 47 away from the first pulley 43, and the second pulley 46 is fixedly connected to the periphery of the worm 41. The second pulley 46 can be driven to rotate by the first pulley 43 and the transmission belt 47, so that the two worms 41 can rotate at the same time.

[0040] Embodiment 3

[0041] See also Figure 1-6 On the basis of the first and second embodiments, the water cooling mechanism 8 further comprises a water tank 82, the water tank 82 is fixedly connected to the right side of the processing box 5, a water inlet pipe 86 is fixedly connected inside the water tank 82, a water pump 85 is fixedly connected to the periphery of the water inlet pipe 86, the water pump 85 is fixedly connected to the top of the water tank 82, a cooling pipe 81 is fixedly connected to the side of the water inlet pipe 86 away from the water tank 82, the cooling pipe 81 is fixedly connected to the bottom of the processing box 5, a water outlet pipe 83 is fixedly connected to the side of the cooling pipe 81 away from the water tank 82, and the water outlet pipe 83 is fixedly connected to the inside of the water tank 82.

[0042] Furthermore, a condenser 84 is fixedly connected to the outer periphery of the water outlet pipe 83, and the condenser 84 is fixedly connected to the right side of the processing box 5. The condenser 84 can cool the water inside the water outlet pipe 83, so that the water temperature inside the water tank 82 is not easy to rise.

[0043] In actual operation, when the device is used, the motor 49 is turned on, so that the motor 49 drives the worm wheel 42 to rotate through the worm 41, so that the worm wheel 42 drives the threaded rod 45 to move downward, and the threaded rod 45 drives the upper mold 3 to move downward, so that the seal 6 at the bottom end of the upper mold 3 can be inserted into the sealing groove 7, so that the sealing effect of the upper mold 3 and the lower mold 9 is better. When the bottom of the upper mold 3 and the top of the lower mold 9 are in contact with each other, the resin to be molded is poured into the inside, and the second block 29 can be inserted into the inside of the protrusion 25, so that the second block 29 squeezes the first block 28, so that the first block 28 drives the first spring 26 to squeeze, when the second block 29 does not squeeze the first block 28, the first spring 26 can drive the first block 28 to limit the second block 29, when the second block 29 does not squeeze the first block 28, the first spring 26 can drive the first block 28 to limit the second block 29. When a block 28 moves, the first block 28 can drive the moving block 21 to move through the slide plate 24 and the connecting plate 23, and the tilting block 203 can be limited by the limit frame 22, so that when the device is hit by external force, the first block 28 is not easy to separate from the second block 29, so that the upper mold 3 and the lower mold 9 are connected more tightly. When it is necessary to cool and form the resin mold, turn on the water pump 85 so that the water pump 85 can transfer the water inside the water tank 82 to the cooling pipe 81 through the water inlet pipe 86, and cool the resin mold through the cooling pipe 81. The cooled high-temperature water is transferred to the condenser 84 through the water outlet pipe 83, cooled by the condenser 84, and finally discharged into the water tank 82, so that the water temperature inside the water tank 82 is not easy to rise, and at the same time, the waste of water can be reduced.

[0044] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0045] Finally, it should be noted that the above description 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 replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A resin injection mold with good sealing effect, comprising a support rod (1), characterized in that: The top of the support rod (1) is fixedly connected to a processing box (5), the top of the processing box (5) is fixedly connected to a lifting mechanism (4), the bottom of the lifting mechanism (4) is fixedly connected to an upper mold (3), the bottom of the upper mold (3) is fixedly connected to a sealing member (6), the bottom of the processing box (5) is fixedly connected to a lower mold (9), a sealing groove (7) is provided inside the lower mold (9), a clamping mechanism (2) is fixedly connected to the front of the lower mold (9), and a water cooling mechanism (8) is fixedly connected to the right side of the processing box (5); The clamping mechanism (2) comprises a protrusion (25), the protrusion (25) is fixedly connected to the front face of the lower mold (9), a fixing rod (27) is fixedly connected inside the protrusion (25), a first clamping block (28) is slidably connected to the periphery of the fixing rod (27), a second clamping block (29) is arranged on the right side of the first clamping block (28), the left side of the second clamping block (29) is in contact with the right side of the first clamping block (28), the second clamping block (29) is fixedly connected to the front face of the upper mold (3), a slide plate (24) is fixedly connected to the bottom of the first clamping block (28), a connecting plate (23) is fixedly connected to the right side of the slide plate (24), a connecting plate (23) is fixedly connected to the right side of the connecting plate (23) and a moving block (21) of the connecting plate (23) is fixedly connected to the bottom of the protrusion (25); The front side of the lower mold (9) is fixedly connected to a fixing block (232), the interior of the fixing block (232) is slidably connected to a support plate (231), and the front side of the support plate (231) is fixedly connected to the back end of the connecting plate (23); The moving block (21) is fixedly connected to a telescopic rod (201) inside, the front of the telescopic rod (201) is fixedly connected to a tilting block (203), the tilting block (203) is slidably connected to the inside of the moving block (21), and a second spring (202) is sleeved on the outer periphery of the telescopic rod (201); A first spring (26) is sleeved on the outer periphery of the fixing rod (27), the left side of the first spring (26) is fixedly connected to the inside of the protrusion (25), and the side of the first spring (26) away from the protrusion (25) is fixedly connected to the left side of the first clamping block (28); The water cooling mechanism (8) comprises a water tank (82), the water tank (82) being fixedly connected to the right side of the processing box (5), a water inlet pipe (86) being fixedly connected inside the water tank (82), a water pump (85) being fixedly connected to the periphery of the water inlet pipe (86), the water pump (85) being fixedly connected to the top of the water tank (82), a cooling pipe (81) being fixedly connected to the side of the water inlet pipe (86) away from the water tank (82), the cooling pipe (81) being fixedly connected to the bottom of the processing box (5), and a water outlet pipe (83) being fixedly connected to the inside of the water tank (82) on the side of the cooling pipe (81) away from the water tank (82).

2. The resin injection mold with good sealing effect according to claim 1, characterized in that: A condenser (84) is fixedly connected to the periphery of the water outlet pipe (83), and the condenser (84) is fixedly connected to the right side of the processing box (5).

Citation Information

Patent Citations

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