Injection mold with pressing mold convenient to replace for HEPA sealing ring

By using an asynchronous motor-driven mold clamping device and a worm gear transmission system, combined with venting and positioning devices, the problem of high energy consumption in hydraulic structures is solved, achieving a highly efficient and energy-saving injection molding process, and ensuring mold clamping quality and accuracy.

CN224044429UActive Publication Date: 2026-03-27SUZHOU HENGRONG CLEANING TECHNOLOGY CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-14
Publication Date
2026-03-27

AI Technical Summary

Technical Problem

In existing technologies, a stable and continuous hydraulic structure is required to provide mold closing pressure during the injection molding process, which results in high energy consumption and affects the mold closing quality when the equipment is shut down.

Method used

The mold closing device, driven by an asynchronous motor and combined with a worm gear transmission system, achieves self-locking mold closing and is equipped with venting and positioning devices to ensure mold closing accuracy and quality.

Benefits of technology

It reduces energy consumption, ensures the stability and precision of the mold closing process, and improves the efficiency and quality of injection molding production.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model belongs to the technical field of sealing ring production, and particularly relates to an injection mold convenient for replacing a pressing mold for a HEPA sealing ring, which comprises a working table, a mold closing device is arranged at the top of the working table, an exhaust device is arranged on the top surface of the bottom of the mold closing device, and a positioning device is arranged at the bottom of the mold closing device. The mold closing device comprises a mold closing structure and an auxiliary structure, the mold closing structure is installed in the middle of the auxiliary structure, the mold closing structure comprises an asynchronous motor, the output end of the asynchronous motor is connected with a transmission part, an adjusting rod is installed in the middle of the transmission part, the outer surface of the adjusting rod is connected with a mounting frame, and the bottom surface of the mounting frame is connected with a clamping block; and an upper mold is mounted at the bottom end of the clamping block. According to the injection mold for the HEPA sealing ring with the pressing mold convenient to replace, the asynchronous motor is started to drive the adjusting rod to conduct lifting mold closing on the mounting frame and the upper mold, and by means of the self-locking performance of the transmission part, the mold closing pressure and stability after output of equipment is stopped are guaranteed.
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Description

TECHNICAL FIELD

[0001] The utility model relates to sealing ring production technical field, concretely is a kind of injection mould for sea pa sealing ring with convenient replacement of press mould. BACKGROUND

[0002] Sealing ring is mainly to make it contact closely with sealing position, prevent gas leakage, liquid leakage, also have the effect of pressure relief, shockproof, anti-looseness, sealing ring is mainly injected into mould in molten state plastic raw material during production.

[0003] Sealing ring is not easy to take out after injection molding in prior art, and only one sealing ring can be injection molded each time, which affects work efficiency.

[0004] As disclosed in Chinese patent CN217021272U, a kind of injection mould for sealing ring production, connecting plate is driven down by hydraulic rod, make upper module press into lower die seat, while limit rod or insert into limit slot, make upper module and lower die seat connect more closely, spring is buffered to limit rod, avoid limit rod and limit slot bottom direct contact to cause limit rod damage, injection pipe is injected into molten raw material in injection slot, raw material flows into cavity inside when sealing ring injection molding, hydraulic rod drives connecting plate to rise, start motor drives shaft rotation, make shaft drive driving gear rotation, driving gear drives two driven gears rotation, two driven gears drive two rotating rods to rotate on fixed seat, one end of rotating rod is screw-threaded connection with fixed seat, the other end of rotating rod is movably connected with fixed seat, so that rotating rod rises and drives fixed plate to rise, fixed plate drives top ring and top plate to move upward, so that sealing ring formed in cavity is ejected by top plate, convenient to take.

[0005] But in the process of injection molding, usually hydraulic structure is used for clamping operation in prior art, stable and continuous clamping pressure needs to be provided after mold clamping, otherwise it will affect the quality of clamping, and hydraulic structure is relatively energy-consuming when providing continuous and stable pressure, closing device output will affect the quality of clamping.

[0006] Therefore, we need to provide a kind of injection mould for sea pa sealing ring with convenient replacement of press mould. UTILITY MODEL CONTENTS

[0007] The utility model aims at providing a kind of injection mould for sea pa sealing ring with convenient replacement of press mould, to solve the problem that in the process of injection molding, usually hydraulic structure is used for clamping operation in prior art, stable and continuous clamping pressure needs to be provided after mold clamping, otherwise it will affect the quality of clamping, and hydraulic structure is relatively energy-consuming when providing continuous and stable pressure, closing device output will affect the quality of clamping.

[0008] In order to achieve the above object, the utility model provides the following technical scheme: a kind of injection mould for sea pearl sealing ring with die convenient to replace, including workbench, the workbench top is equipped with mold clamping device, the mold clamping device bottom top is equipped with exhaust device, the mold clamping device bottom is equipped with positioning device.

[0009] The mold clamping device includes a mold clamping structure and an auxiliary structure.

[0010] The mold clamping structure includes an asynchronous motor, a transmission member connected to the output end of the asynchronous motor, an adjusting rod installed in the middle of the transmission member, a mounting bracket connected to the outer surface of the adjusting rod, a clamping block connected to the bottom surface of the mounting bracket, and an upper mold installed at the bottom end of the clamping block.

[0011] Preferably, the auxiliary structure includes a processing rack, a guide rod fixedly installed on the top bottom surface of the processing rack, and fixed blocks provided on the left and right sides of the bottom end of the guide rod.

[0012] Preferably, the bottom of the processing rack is fixedly connected to the middle back surface of the top surface of the workbench, the asynchronous motor is detachably installed on the top surface of the processing rack, the outer surface of the adjusting rod is connected to the middle of the top surface of the processing rack through a bearing close to the top end, the outer surface of the guide rod is slidingly connected to the inner wall of the circular hole provided on the top surface of the mounting bracket, the outer surface of the clamping block is clamped to the inner wall of the convex slot provided on the bottom surface of the mounting bracket, and the fixed blocks are fixedly installed on the middle of the left and right sides of the bottom end of the mounting bracket.

[0013] Preferably, the exhaust device includes an injection tube, an exhaust pipe provided on the right side of the injection tube, a fixed ring fixedly installed inside the exhaust pipe, a memory spring fixedly connected to the top surface of the fixed ring, and a blocking block fixedly connected to the top end of the memory spring.

[0014] Preferably, the injection tube is installed on the top surface of the upper mold close to the left end, the exhaust pipe is installed on the top surface of the upper mold close to the front end of the middle, and the outer surface of the blocking block is slidingly connected to the inner wall of the exhaust pipe.

[0015] Preferably, the positioning device includes a lower mold, light transmission plates fixedly installed on the middle of the left and right sides of the lower mold, an observation plate provided on the bottom of the light transmission plate, a placement block provided on the top of the light transmission plate, and a laser lamp installed in the middle of the placement block.

[0016] The light transmission plate is provided with a light transmission hole in the middle part, the observation plate is fixedly installed inside a rectangular slot on the top surface of the workbench, and the placing block is fixedly installed on the middle part of the left and right sides of the upper die.

[0017] Compared with the prior art, the utility model has the advantages that:

[0018] 1. The injection mold for the hypalon sealing ring is convenient to replace the mold, the mold closing device is arranged, the asynchronous motor is started to drive the adjusting rod to lift the mounting frame and the upper die for mold closing, the self-locking property of the transmission member is utilized to ensure the pressure and stability of the mold closing after the equipment stops outputting.

[0019] 2. The injection mold for the hypalon sealing ring is convenient to replace the mold, the exhaust device and the positioning device are arranged to facilitate exhaust during injection molding to ensure the quality of injection molding, and the laser lamp and the light transmission plate are utilized to facilitate observation of the precision of mold closing, thereby effectively ensuring the quality of injection molding. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 It is an overall structure schematic view of the utility model;

[0021] Figure 2 It is an enlarged view of the mold closing device of the utility model;

[0022] Figure 3 It is an enlarged view of the bottom structure of the upper die of the utility model;

[0023] Figure 4 It is an enlarged view of the exhaust structure section of the utility model;

[0024] Figure 5 It is an enlarged view of the mold positioning structure of the utility model.

[0025] In the drawing: 1, workbench; 101, processing frame; 102, asynchronous motor; 103, transmission member; 104, adjusting rod; 105, mounting frame; 106, clamping block; 107, upper die; 108, fixed block; 109, guide rod; 201, injection pipe; 202, exhaust pipe; 203, fixed ring; 204, memory spring; 205, plugging block; 301, lower die; 302, light transmission plate; 303, observation plate; 304, placing block; 305, laser lamp. DETAILED DESCRIPTION

[0026] 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 scope of the utility model. Embodiments

[0027] In the prior art, the mold clamping operation is usually performed by using a hydraulic structure during the injection molding process. Stable and continuous clamping pressure needs to be provided after the mold is clamped, otherwise the clamping quality will be affected. However, the hydraulic structure consumes relatively more energy when providing stable and continuous pressure, and the closing of the device output will affect the clamping quality. Please refer to Figures 1-5 The embodiments provide an injection mold for a Hiper seal ring, which is convenient to replace the mold, can effectively ensure stable clamping pressure after the device stops outputting during the clamping injection molding process, thereby reducing energy consumption and ensuring production quality. The injection mold for the Hiper seal ring convenient to replace the mold comprises a workbench 1, a clamping device is installed on the top of the workbench 1, an exhaust device is installed on the bottom top surface of the clamping device, and a positioning device is arranged at the bottom of the clamping device.

[0028] The clamping device comprises a clamping structure and an auxiliary structure, and the clamping structure is installed in the middle of the auxiliary structure. The clamping structure comprises an asynchronous motor 102, a transmission member 103 is connected to the output end of the asynchronous motor 102, an adjusting rod 104 is installed in the middle of the transmission member 103, a mounting bracket 105 is connected to the outer surface of the adjusting rod 104, a clamping block 106 is connected to the bottom surface of the mounting bracket 105, and an upper mold 107 is installed at the bottom end of the clamping block 106. The auxiliary structure comprises a machining rack 101, a guide rod 109 is fixedly installed on the top bottom surface of the machining rack 101, and fixed blocks 108 are arranged on the left and right sides of the bottom end of the guide rod 109.

[0029] The bottom of the machining rack 101 is fixedly connected to the middle back end of the top surface of the workbench 1, the asynchronous motor 102 is detachably installed on the top surface of the machining rack 101, the outer surface of the adjusting rod 104 is connected to the middle of the top surface of the machining rack 101 through a bearing close to the top end, the outer surface of the guide rod 109 is slidably connected to the inner wall of the circular hole in the top surface of the mounting bracket 105, the outer surface of the clamping block 106 is clamped to the inner wall of the convex groove in the bottom surface of the mounting bracket 105, and the fixed blocks 108 are fixedly installed on the middle of the bottom end of the mounting bracket 105.

[0030] Through the arrangement of the clamping device, the asynchronous motor 102 drives the adjusting rod 104 to lift the mounting bracket 105 and the upper mold 107 for clamping, and the self-locking property of the transmission member 103 ensures the clamping pressure and stability after the device stops outputting.

[0031] When the mold is closed, the asynchronous motor 102 drives the transmission member 103 to drive the worm to rotate, the outer surface of the worm is connected with the outer surface of the worm gear, so as to drive the adjusting rod 104 to rotate by the worm gear, the adjusting rod 104 is a threaded rod, the outer surface of the threaded rod is connected with the threaded cylinder, the outer surface of the threaded cylinder is fixedly connected with the middle part of the mounting frame 105, the mounting frame 105 is slidably connected with the guide rod 109, so as to lift the mounting frame 105, thereby lifting the upper mold 107 to close the mold, and the self-locking property of the worm gear is used, after the equipment stops outputting, the pressure required for closing the mold can still be maintained, the quality of the mold injection is ensured, the upper mold 107 is clamped with the mounting frame 105 through the clamping block 106, and the mounting frame 105 and the upper mold 107 are fixedly connected with the fixed block 108, so that the upper mold 107 can be replaced conveniently. Embodiment

[0032] Based on the implementation of the embodiment, the prior art still has the problem that the gas in the mold needs to be exhausted during the injection molding process, and the closing accuracy needs to be ensured, please refer to Figures 1-5 The embodiment provides a convenient-to-replace die for injection molding of a hypalon sealing ring, which can effectively solve the closing accuracy during the closing process and can exhaust the gas in the mold during the injection molding process.

[0033] The positioning device comprises a lower mold 301, the lower mold 301 is fixedly installed with light transmission plates 302 at the middle parts of the left and right sides, the light transmission plates 302 are provided with observation plates 303 at the bottoms, the light transmission plates 302 are provided with placing blocks 304 at the tops, and the placing blocks 304 are installed with laser lamps 305 at the middle parts. The light transmission plates 302 are provided with light transmission holes in the middle parts, the observation plates 303 are fixedly installed in the rectangular grooves in the top surface of the workbench 1, and the placing blocks 304 are fixedly installed at the middle parts of the left and right sides of the upper mold 107.

[0034] Through the setting of the exhaust device and the positioning device, the exhaust during the injection molding is facilitated to ensure the quality of the injection molding, and the laser lamp 305 and the light transmission plate 302 are used to facilitate the observation of the closing accuracy, so that the quality of the injection molding production is effectively ensured.

[0035] In the process of the injection molding, the injection is carried out through the injection tube 201, so that the gas in the mold cavity is exhausted through the exhaust pipe 202, after the gas enters the inside of the exhaust pipe 202, the memory spring 204 is stretched, the blocking block 205 leaves the inside of the exhaust pipe 202, after the gas is exhausted, the retracting force of the memory spring 204 drives the blocking block 205 to block the exhaust pipe 202, prevents the dust from entering the mold cavity through the exhaust pipe 202, and affects the product quality of the injection molding. And in the process of clamping, the laser lamp 305 is used to irradiate the light beam, the light beam is irradiated on the top surface of the observation plate 303 through the light transmission hole of the light transmission plate 302, whether the light beam is irradiated on the top surface of the observation plate 303 is observed, and the shape of the light beam irradiated on the top surface of the observation plate 303 through the light transmission hole of the light transmission plate 302 is observed, so that the accuracy of the clamping is quickly observed, so that the quality of the injection molding production is effectively ensured.

[0036] It should be noted that, in the present document, relational terms such as first and second and the like can be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises", "comprising", or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can include other elements not expressly listed or inherent to such process, method, article, or apparatus. An element proceeded by "comprises... a" does not, without more constraints, exclude the presence of additional identical elements in the process, method, article, or apparatus that comprises the element.

Claims

1. A injection mold for Hiper seal ring which facilitates replacement of the mold, comprising a worktable (1), characterized in that: The workbench (1) top is provided with a mold closing device, the bottom top surface of the mold closing device is provided with an exhaust device, and the bottom of the mold closing device is provided with a positioning device; The mold closing device comprises a mold closing structure and an auxiliary structure, and the mold closing structure is installed in the middle of the auxiliary structure; The mold closing structure comprises an asynchronous motor (102), the output end of the asynchronous motor (102) is connected with a transmission part (103), the middle of the transmission part (103) is installed with an adjusting rod (104), the outer surface of the adjusting rod (104) is connected with a mounting frame (105), the bottom surface of the mounting frame (105) is connected with a clamping block (106), and the bottom end of the clamping block (106) is installed with an upper mold (107).

2. The injection mold for HYPAL seal rings with easy replacement of the mold according to claim 1, characterized in that: The auxiliary structure comprises a processing frame (101), and the top bottom surface of the processing frame (101) is fixedly installed with a guide rod (109), and the bottom ends of the left and right sides of the guide rod (109) are provided with fixed blocks (108).

3. The injection mold for Hiper seal ring with easy replacement of the mold according to claim 2, characterized in that: The bottom of the processing frame (101) is fixedly connected with the middle back end of the top surface of the workbench (1), the asynchronous motor (102) is detachably installed on the top surface of the processing frame (101), the outer surface of the adjusting rod (104) is connected with the middle of the top surface of the processing frame (101) through a bearing close to the top end, the outer surface of the guide rod (109) is slidably connected with the inner wall of the circular hole of the top surface of the mounting frame (105), the outer surface of the clamping block (106) is clamped with the inner wall of the convex groove of the bottom surface of the mounting frame (105), and the fixed blocks (108) are fixedly installed on the middle of the bottom ends of the left and right sides of the mounting frame (105).

4. The injection mold for HYPAL seal rings with easy replacement of the mold according to claim 1, characterized in that: The exhaust device comprises an injection tube (201), the right side of the injection tube (201) is provided with an exhaust pipe (202), the inside of the exhaust pipe (202) is fixedly installed with a fixed ring (203), the top surface of the fixed ring (203) is fixedly connected with a memory spring (204), and the top end of the memory spring (204) is fixedly connected with a blocking block (205).

5. The injection mold for HYPAL seal rings with easy replacement of the mold according to claim 4, characterized in that: The injection tube (201) is installed on the top surface of the upper mold (107) close to the left end, the exhaust pipe (202) is installed on the top surface of the upper mold (107) close to the front end of the middle, and the outer surface of the blocking block (205) is slidably connected with the inner wall of the exhaust pipe (202).

6. The injection mold for HYPAL seal rings with easy replacement of the mold inserts according to claim 1, characterized in that: The positioning device comprises a lower mold (301), the left and right sides of the middle of the lower mold (301) are fixedly installed with a light transmission plate (302), the bottom of the light transmission plate (302) is provided with an observation plate (303), the top of the light transmission plate (302) is provided with a placing block (304), and the middle of the placing block (304) is installed with a laser lamp (305).

7. The injection mold for HYPAL seal rings with easy replacement of the mold inserts according to claim 6, characterized in that: The middle of the light transmission plate (302) is provided with a light transmission hole, the observation plate (303) is fixedly installed in the inside of the rectangular groove of the top surface of the workbench (1), and the placing block (304) is fixedly installed on the middle of the left and right sides of the upper mold (107).

Citation Information

Patent Citations

  • Injection mold for sealing ring production

    CN217021272U