External linkage rod of steel injection mold

By introducing a linkage structure of guide rods, gears, and miniature electric push rods into the steel injection mold, the problem of cumbersome locking operation is solved, and the convenience and stability of locking are achieved, thus improving the ease of mold operation.

CN223630920UActive Publication Date: 2025-12-05KUNSHAN TEHUI PLASTIC MOULD CO LTD
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Patent Information

Application Number
CN202423240615.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-27
Publication Date
2025-12-05
Estimated Expiration
2034-12-27

AI Technical Summary

Technical Problem

The existing external linkage rods of steel injection molds are cumbersome to operate in terms of locking function, resulting in inconvenience in use.

Method used

A linkage structure including components such as guide rod, gear, flip rod, and miniature electric push rod is designed. The flip rod is driven to flip by gear and locked by miniature electric push rod. Stability is ensured by limit groove and limit block.

Benefits of technology

It achieves convenient and stable locking operation, reduces operation steps, and improves the ease of use and reliability of the mold.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses an external linkage rod of a steel injection mold, which belongs to the technical field of molds and comprises a lower mold, communication boxes are arranged at the top ends of two outer sides of the lower mold, gears are arranged in the communication boxes, turnover rods are arranged on one sides of the gears, clamping plates are arranged on one sides of the tops of the turnover rods, and rectangular grooves are formed in the tops of the communication boxes. A through guide groove is formed in one side of the communicating box, a guide rod is arranged in the guide groove, a gear groove is formed in one side of the bottom end of the guide rod, an upper mold is arranged at the top of the lower mold, locking boxes are arranged at the bottom ends of the two sides of the exterior of the upper mold, empty grooves are formed in the two ends of the bottoms of the locking boxes, and clamping grooves are formed in one ends of the interiors of the empty grooves; the gear groove in one side of the guide rod is used for driving the gear to rotate, the overturning rod is driven to overturn into the empty groove, the miniature electric push rod is matched to push the positioning block to move downwards, the locking function is achieved, due to the design, when locking is needed, excessive operation is not needed, only the miniature electric push rod needs to be controlled to stretch out and draw back, and operation convenience is greatly improved.
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Description

TECHNICAL FIELD

[0001] The utility model belongs to mould technical field, concretely relates to the outside linkage rod of steel injection mould. BACKGROUND

[0002] The main role of the outside linkage rod of the mould includes controlling the opening and closing operation of the mould, improving the convenience and flexibility of the operation, providing additional locking force, ensuring accurate positioning, enhancing the applicability of the mould, etc. Through mutual cooperation with the mechanism inside the mould, accurate control of the mould is realized, and the stability and reliability of the mould in the production process are ensured.

[0003] At present, the existing outside linkage rod of the steel injection mould is inconvenient to control in the using process, and it is relatively cumbersome to operate when the upper mould and the lower mould need to be locked, which is not convenient for the staff. Therefore, the outside linkage rod of the steel injection mould is proposed. CONTENT OF THE UTILITY MODEL

[0004] The utility model aims at providing the outside linkage rod of the steel injection mould to solve the existing problems in the above background technology.

[0005] In order to achieve the above-mentioned purpose, the utility model provides the following technical scheme: the outside linkage rod of the steel injection mould, including lower mould, intercommunication box and locking box, the outside both sides top end of lower mould all are fixedly installed with intercommunication box, the inside of intercommunication box is rotatably connected with gear through pivot, the side of gear is fixedly installed with turnover rod, the top side of turnover rod is equipped with clamping plate, the top of intercommunication box is equipped with rectangular slot, the top and bottom same position of one side of intercommunication box is equipped with through guide groove, the inside of guide groove is slidably provided with guide rod, the bottom side of guide rod is provided with gear slot, the gear slot is meshed with gear, the top of lower mould is provided with upper mould, the outside both sides bottom end of upper mould is fixedly connected with the top of guide rod through fixed block, the outside both sides bottom end of upper mould is also fixedly installed with locking box, the bottom both ends of locking box are equipped with empty slot, the inside one end of empty slot is equipped with clamping groove.

[0006] Preferably, the inside one end of the empty slot is fixedly installed with a micro electric push rod on the top wall, the bottom of the micro electric push rod is provided with a positioning block, and the bottom of the positioning block extends into the inside of the empty slot and is slidably connected with the top wall thereof.

[0007] Preferably, the bottom of the guide rod is provided with a limiting plate, and the limiting plate is fixedly installed on the bottom of the guide rod by welding.

[0008] Preferably, the gear is sleeved with a shaft sleeve on one side of the rotating shaft, the shaft sleeve is fixedly connected with the rotating shaft, and the outer portion of the shaft sleeve is fixedly connected with the turnover rod through welding.

[0009] Preferably, the outer portion of the guide rod is provided with a limiting block on both sides, the limiting block extends from the top of the guide rod to the bottom of the guide rod and is fixedly connected with the guide rod.

[0010] Preferably, the inner portion of the guide groove is provided with a limiting groove on the inner wall of both sides, the limiting block extends into the inner portion of the limiting groove and is slidingly connected with the inner wall of the limiting groove.

[0011] Compared with the prior art, the utility model has the beneficial effects that:

[0012] 1. The gear groove on one side of the guide rod drives the gear to rotate, the gear, the rotating shaft and the shaft sleeve drive the turnover rod to overturn, so that the turnover rod is overturned into the empty groove, the clamping plate is clamped into the clamping groove, the positioning block is driven to move downward by the cooperation of the micro electric push rod, the turnover rod is positioned, the locking function is realized, when locking is needed, only the micro electric push rod needs to be controlled to stretch and retract, the operation convenience is greatly improved.

[0013] 2. The limiting grooves are arranged on both sides of the inner portion of the guide groove, the limiting blocks are arranged on both sides of the guide rod, the limiting relationship between the limiting grooves and the limiting blocks is utilized, the guide rod is stably slid in the guide groove, the limiting plate limits the extension of the bottom of the guide rod, the guide rod is prevented from being separated from the guide groove and losing the guiding function. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is a whole structure schematic view of the utility model;

[0015] Figure 2 It is a limiting rod structure schematic view of the utility model;

[0016] Figure 3 It is a communication box structure schematic view of the utility model;

[0017] Figure 4 It is a locking box structure schematic view of the utility model;

[0018] Figure 5 It is a locking box cross section structure schematic view of the utility model.

[0019] In the figure: 1, the lower mold; 2, the intercommunication box; 3, the gear; 4, the shaft sleeve; 5, the turnover rod; 6, the rectangular groove; 7, the guide groove; 8, the limiting groove; 9, the clamping plate; 10, the upper mold; 11, the fixed block; 12, the guide rod; 13, the limiting block; 14, the gear groove; 15, the limiting plate; 16, the locking box; 17, the hollow groove; 18, the clamping groove; 19, the micro electric push rod; 20, the positioning block. DETAILED DESCRIPTION

[0020] 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.

[0021] Please refer to Figures 1-5 The utility model provides steel injection mold's external linkage rod technical scheme: including lower mold 1, intercommunication box 2 and locking box 16, the outside both sides top end of lower mold 1 is fixedly installed with intercommunication box 2, the inside of intercommunication box 2 is swingly connected with gear 3 through the shaft, the one side of gear 3 is fixedly installed with turnover rod 5, the top side of turnover rod 5 is equipped with clamping plate 9, the top of intercommunication box 2 is equipped with rectangular groove 6, the top and bottom of one side of intercommunication box 2 same position is equipped with the guide groove 7 that passes through, the inside of guide groove 7 is slidably provided with guide rod 12, the bottom end one side of guide rod 12 is provided with gear groove 14, gear groove 14 is engaged with gear 3, the top of lower mold 1 is provided with upper mold 10, the outside both sides bottom end of upper mold 10 is fixedly connected with the top of guide rod 12 through fixed block 11, the outside both sides bottom end of upper mold 10 is also fixedly installed with locking box 16, the bottom both ends of locking box 16 are equipped with hollow groove 17, one end of the inside of hollow groove 17 is equipped with clamping groove 18.

[0022] Specifically, the inside of the top wall of one end of the hollow groove 17 near the clamping groove 18 is fixedly installed with a micro electric push rod 19, the bottom of the micro electric push rod 19 is provided with a positioning block 20, the bottom of the positioning block 20 extends into the inside of the hollow groove 17 and is slidably connected with the top wall thereof.

[0023] Specifically, the bottom of the guide rod 12 is provided with a limiting plate 15, which is fixedly installed on the bottom of the guide rod 12 by welding.

[0024] Specifically, the shaft sleeve 4 is provided on the outer periphery of the shaft of one side of the gear 3, and the shaft sleeve 4 is fixedly connected with the shaft. The shaft sleeve 4 is fixedly connected with the turnover rod 5 by welding.

[0025] Specific, the outer two sides of the guide rod 12 is provided with a limiting block 13, limiting block 13 from the top of the guide rod 12 to the bottom of the guide rod 12 and is fixedly connected with it.

[0026] Specific, the inside of the guide slot 7 two sides of the wall is provided with a limiting slot 8, limiting block 13 extends to the inside of the limiting slot 8 and is connected with the inner wall of the sliding.

[0027] In this embodiment, in the process of opening and closing the lower die 1 and the upper die 10, the guide rod 12 is driven by the upper die 10 to move up and down along the guide slot 7 in the inside of the communication box 2, and is limited by the limiting slot 8 cooperating with the limiting block 13 to ensure the stability of the guide rod 12 and avoid deviation. When the guide rod 12 moves, the gear 3 is driven to rotate through the gear slot 14, the shaft sleeve 4 is driven to rotate by the gear 3, and the turnover rod 5 is driven to turn by the shaft sleeve 4, so that it passes through the rectangular slot 6 from the inside of the communication box 2, turns to the inside of the locking box 16, and clamps the card plate 9 into the card slot 18. At this time, the card plate 9 and the card slot 18 do not have the function of clamping and locking. When the upper die 10 drives the guide rod 12 to move up, the gear 3 is turned to drive the turnover rod 5 to turn and reset. When locking is needed, the upper die 1 and the lower die 10 are combined, the positioning block 20 is extended into the empty slot 17 by driving the micro electric push rod 19, the turnover rod 5 is blocked by the positioning block 20, the turnover rod 5 is reset, and the locking and positioning purposes are achieved. The meshing of the gear 3 and the gear slot 14 realizes the locking function of the upper die 1 and the lower die 10, ensures the stability of the locking, and greatly improves the convenience of locking the upper die 1 and the lower die 10.

[0028] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. Steel injection mold external linkage rod, comprising a lower mold (1), a communication box (2) and a locking box (16), characterized in that: The outside both sides top of the lower mold (1) is fixedly installed with a communication box (2), the inside of the communication box (2) is movably connected with a gear (3) through a rotating shaft, one side of the gear (3) is fixedly installed with a turnover rod (5), the top side of the turnover rod (5) is provided with a clamping plate (9), the top of the communication box (2) is provided with a rectangular slot (6), the top and bottom of one side of the communication box (2) is provided with a through guide slot (7), the inside of the guide slot (7) is slidably provided with a guide rod (12), the bottom side of the guide rod (12) is provided with a gear slot (14), the gear slot (14) is meshed with the gear (3), the top of the lower mold (1) is provided with an upper mold (10), the outside both sides bottom of the upper mold (10) is fixedly connected with the top of the guide rod (12) through a fixed block (11), the outside both sides bottom of the upper mold (10) is also fixedly installed with a locking box (16), the bottom of the locking box (16) is provided with a hollow slot (17), one end of the inside of the hollow slot (17) is provided with a clamping groove (18).

2. Steel injection mold external linkage bar according to claim 1, characterized in that: The inside of the top wall of one end of the hollow slot (17) is fixedly installed with a micro electric push rod (19) near the clamping groove (18), the bottom of the micro electric push rod (19) is provided with a positioning block (20), the bottom of the positioning block (20) extends to the inside of the hollow slot (17) and is slidably connected with the top wall thereof.

3. The steel injection mold outer link bar of claim 1, wherein: The bottom of the guide rod (12) is provided with a limiting plate (15), the limiting plate (15) is fixedly installed with the bottom of the guide rod (12) by welding.

4. The steel injection mold outer link bar of claim 1, wherein: The rotating shaft outer periphery of one side of the gear (3) is provided with a shaft sleeve (4), the shaft sleeve (4) is fixedly connected with the rotating shaft, the outside of the shaft sleeve (4) is fixedly connected with the turnover rod (5) by welding.

5. The steel injection mold external link bar of claim 1, wherein: The outside both sides of the guide rod (12) is provided with a limiting block (13), the limiting block (13) extends from the top of the guide rod (12) to the bottom of the guide rod (12) and is fixedly connected therewith.

6. Steel injection mold external linkage bar according to claim 5, characterized in that: The inside both sides inner wall of the guide slot (7) is provided with a limiting slot (8), the limiting block (13) extends to the inside of the limiting slot (8) and is slidably connected with the inner wall thereof.