Automatic opening and closing type forging die

By designing an automatic opening and closing forging die, and using hydraulic cylinders to control the movement of the slider and limit blocks to ensure locking, the problems of inconvenient operation and inconsistent locking of existing dies are solved, achieving efficient automated processing and high-precision forming.

CN223916542UActive Publication Date: 2026-02-17SICHUAN NEIJIANG QINGLONG MASCH TOOL CO LTD
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Patent Information

Application Number
CN202520455563.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-17
Publication Date
2026-02-17
Estimated Expiration
2035-03-17

AI Technical Summary

Technical Problem

Existing open and closed forging dies are inconvenient to operate, and it is difficult to ensure consistent locking, which affects product accuracy and processing efficiency.

Method used

An automatic opening and closing forging die was designed. The movement of the slider is controlled by a hydraulic cylinder to realize the automatic opening, closing and locking of the die. The locking effect is improved by combining limit blocks and proximity switches, and a dustproof plate is equipped to prevent forging fly ash from entering.

Benefits of technology

The automated operation of the mold has been achieved, which has improved processing efficiency and product precision, ensured the firmness of the locking and the normal use of the mold, and improved the processing quality.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses an automatic opening and closing type forging die. The automatic opening and closing type forging die comprises an upper die handle, an upper die, a bottom plate, a fixing block and a fixing seat, a supporting frame is fixedly arranged on the fixing base, the cylinder bottom of an oil cylinder is hinged to the supporting frame, and a piston rod of the oil cylinder is fixedly connected with a lantern ring. Two parallel guide rails are fixedly arranged on a bottom plate, the lower section of a sliding block is arranged between the two guide rails, pressing plates are fixedly connected to the two guide rails, the rear end of the sliding block is hinged to a front rotating arm, a fixing base is hinged to a rear rotating arm, one end of the front rotating arm is hinged to one end of the rear rotating arm through a pin shaft, and the pin shaft is sleeved with a lantern ring. The front end of the sliding block is fixedly connected with a rear lower mold core, the rear end of the fixed block is fixedly connected with a front lower mold core, the adjacent ends of the rear lower mold core and the sliding block below the rear lower mold core as well as the front lower mold core and the fixed block below the front lower mold core are respectively provided with a partial cavity, and a cushion block is fixedly arranged on the bottom plate; the device is convenient to operate and capable of improving the machining efficiency, guaranteeing the product precision and improving the machining quality.
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Description

TECHNICAL FIELD

[0001] The utility model relates to a kind of open-close type forging die, in particular to a kind of automatic open-close type forging die. BACKGROUND

[0002] Steel foot for insulator etc. Figure 1 As shown in the figure, its lower end is provided with cone 31, and upper end is provided with ball 32;At present, local heating, forging mode is generally used to process, first forming the lower end of cone, then forming the upper end of ball;When forming ball, due to the existence of cone, open-close lower die is used to facilitate clamping workpiece;But the existing open-close die, its lower die is mostly manually closed die and locking, not only inconvenient operation, reduces processing efficiency, and locking degree is difficult to guarantee consistency, affects product precision, and is difficult to guarantee quality. SUMMARY

[0003] The utility model aims at the above insufficient of prior art, provide a kind of automatic open-close type forging die, it not only convenient operation, can improve processing efficiency, and can guarantee product precision, improve processing quality.

[0004] In order to achieve the above object, the utility model of a kind of automatic open-close type forging die, including upper die handle, the upper die of being connected with upper die handle, bottom plate, fixed block and fixed seat being fixedly connected in the both ends of bottom plate;Its characterized in that fixed seat is fixedly provided with support frame, the cylinder bottom of a oil cylinder is hingedly connected with support frame, the piston rod of oil cylinder is fixedly connected with sleeve ring;Two parallel guide rails are fixedly provided on the bottom plate between fixed block and fixed seat, the lower segment of a sliding block is placed between two guide rails, the pressing plate located above the lower segment of sliding block is fixedly connected on two guide rails, the upper segment width of sliding block is less than the interval of two pressing plates, the rear end of sliding block is hingedly connected with front swing arm, fixed seat is hingedly connected with rear swing arm, one end adjacent to front swing arm and rear swing arm is hingedly connected by pin shaft, sleeve ring is sleeved on the pin shaft outside;Rear lower die core is fixedly connected at the front end of sliding block, the rear end of fixed block is fixedly connected with front lower die core, one end adjacent of rear lower die core and the sliding block below it, front lower die core and the fixed block below it is provided with partial cavity, and gasket is fixedly provided on the bottom plate corresponding to each partial cavity;Front lower die core and rear lower die core are located below upper die.

[0005] When working, the front and rear movement of sliding block can be controlled by the extension and retraction of the piston rod of oil cylinder, so that the closing and opening of rear lower die core and the sliding block below it and front lower die core and the fixed block below it are realized, before closing, the workpiece is placed in the partial cavity of front lower die core and the fixed block below it, the complete cavity is formed by closing each partial cavity, and the upper die is lowered, so that the forming of upper end ball of workpiece can be completed;The present die can realize automatic opening and closing die and locking by oil cylinder, not only convenient operation, can improve processing efficiency, and locking is firm and consistent, can guarantee product precision, improve processing quality;

[0006] As one preferred of the utility model, the fixed block below the front lower mold core is equipped with detection hole connected with partial cavity, and proximity switch is arranged in the detection hole; when using robot to clamp workpiece, the proximity switch can detect that the mold is closed to a certain degree, and the robot can cooperate with the proximity switch to automatically release the workpiece, thereby improving the degree of automation;

[0007] As one preferred of the utility model, the fixed block with two guide rails is equipped with limit block on the bottom plate, and the limit block is below the hinge joint of the front rotating arm and the rear rotating arm; when the piston rod pushes the front rotating arm and the rear rotating arm to be in the same straight line, the lower end of the front rotating arm and the rear rotating arm contacts with the limit block, so that the rear lower mold core is kept in the mold closing position and locked, thereby further ensuring the locking effect;

[0008] As one preferred of the utility model, the rear end of the two guide rails is fixedly connected with dustproof plate; the dustproof plate can prevent the flying ash of forging from entering between the two guide rails, thereby ensuring the normal use of the mold for a long time.

[0009] In summary, the utility model not only is convenient to operate, can improve the processing efficiency, and can ensure the product precision, and improves the processing quality. BRIEF DESCRIPTION OF DRAWINGS

[0010] Figure 1 It is the front view of steel foot.

[0011] Figure 2 It is the perspective view of the utility model embodiment.

[0012] Figure 3 It is the front view of the utility model embodiment.

[0013] Figure 4 It is Figure 3 It is the plan view after removing the upper mold. DETAILED DESCRIPTION

[0014] The utility model will be further explained in detail in combination with the drawings.

[0015] For example, Figures 2 to 4As shown, the automatic opening and closing forging die of the embodiment comprises an upper die handle 1, an upper die 3 connected with the upper die handle through an upper die pressure cover 2, a bottom plate 4, a fixing block 5 and a fixing base 6 fixedly connected to both ends of the bottom plate through screws; the fixing base 6 is fixedly provided with a support frame 7, the bottom of an oil cylinder 8 is hingedly connected with the support frame 7 through a pin shaft, the piston rod 9 of the oil cylinder 8 is fixedly connected with a sleeve ring 10; the bottom plate 4 between the fixing block 5 and the fixing base 6 is fixedly provided with two parallel guide rails 11, the lower section of a sliding block 12 is arranged between the two guide rails 11, the two guide rails 11 are both fixedly connected with a pressing plate 13 above the lower section of the sliding block 12 through connecting screws, the upper section of the sliding block 12 has a width smaller than the interval of the two pressing plates 13, the rear end of the sliding block 12 is hingedly connected with a front rotating arm 14 through a pin shaft 15, the fixing base 6 is hingedly connected with a rear rotating arm 16 through a pin shaft 17, one end adjacent to the front rotating arm 14 and the rear rotating arm 16 is hingedly connected through a pin shaft 18, the sleeve ring 10 is sleeved outside the pin shaft 18, the bottom plate between the fixing block 5 and the two guide rails 11 is fixedly provided with a limiting block 19, the limiting block 19 is below the hinged position of the front rotating arm 14 and the rear rotating arm 16; the front end of the sliding block 12 is fixedly connected with a rear lower die core 21 through a fastening bolt, the rear end of the fixing block 5 is fixedly connected with a front lower die core 22, one end adjacent to the rear lower die core 21 and the fixing block below the rear lower die core 21, the front lower die core 22 and the fixing block below the front lower die core 22 is provided with a partial cavity, the bottom plate 4 corresponding to each partial cavity is fixedly provided with a pad 23, the fixing block 5 below the front lower die core 22 is provided with a detection hole connected with the partial cavity thereof, the detection hole is provided with a proximity switch 26; the rear end of each guide rail 11 is fixedly connected with a dustproof plate 27; the front lower die core 22 and the rear lower die core 21 are below the upper die 3, the lower end of the upper die 3 is provided with a partial cavity in the shape of a sphere.

[0016] In operation, the bottom plate 4 is installed on a workbench, and the upper die handle 1 is connected to a slider of a punch; a workpiece heated at the upper end is placed in the partial cavity of the front lower die core 22 and the fixed block below it, and when the piston rod 9 of the oil cylinder 8 is extended, the hinged ends of the front swing arm 14 and the rear swing arm 16 are respectively swung downward around the pin shafts 15 and 17 through the sleeve ring 10 and the pin shaft 18, which can push the slider 12 to move forward, and the pressing plate 13 makes the slider keep translational motion, so as to realize the clamping of the rear lower die core 21 and the slider below it and the front lower die core 22 and the fixed block below it; when the piston rod 9 pushes the front swing arm 14 and the rear swing arm 16 to swing downward to be in the same straight line, the lower ends of the front swing arm 14 and the rear swing arm 16 contact the limiting block 19, at this time, the slider 12 reaches the limit position of forward movement and keeps still, so that the rear lower die core 21 is locked in the clamping position, and the locking effect is ensured; after clamping, the partial cavities form a complete cavity, the lower end of the workpiece is placed on the pad 23, and the middle part of the workpiece is clamped, for example, the workpiece is clamped by a robot, at this time, the workpiece is loosened, the upper die 3 is lowered, and the forming of the upper end of the workpiece can be completed; after forming, the piston rod 9 of the oil cylinder 8 is retracted, the hinged ends of the front swing arm 14 and the rear swing arm 16 are swung upward through the sleeve ring 10 and the pin shaft 18, the slider 12 is reset, and the mold is opened, and the workpiece can be taken out; the mold can realize automatic opening and closing of the mold and locking through the oil cylinder 8, which is not only convenient to operate and can improve the processing efficiency, but also firm and consistent, which can ensure the product precision and improve the processing quality; when the workpiece is clamped by the robot, the workpiece can be automatically loosened by cooperating with the robot when the proximity switch 26 detects that the mold is clamped to a certain extent, and the degree of automation is improved;

[0017] The two dustproof plates 27 can prevent flying ash from entering between the two guide rails, and ensure normal use of the mold for a long time.

Claims

1. An automatic opening and closing forging die comprising an upper die handle, an upper die connected to the upper die handle, a base plate, a fixed block and a fixed seat fixedly connected to both ends of the base plate; characterized in that The fixed seat is provided with a support frame, the bottom of an oil cylinder is hingedly connected with the support frame, and the piston rod of the oil cylinder is fixedly connected with a sleeve ring; two parallel guide rails are fixedly arranged on the bottom plate between the fixed block and the fixed seat, the lower section of a sliding block is arranged between the two guide rails, the two guide rails are fixedly connected with pressing plates above the lower section of the sliding block, the upper section of the sliding block is smaller than the interval of the two pressing plates in width, the rear end of the sliding block is hingedly connected with the front rotating arm, the fixed seat is hingedly connected with the rear rotating arm, the end adjacent to the front rotating arm of the rear rotating arm is hingedly connected through a pin shaft, and the sleeve ring is sleeved outside the pin shaft; the rear end of the sliding block is fixedly connected with a rear lower mold core, the rear end of the fixed block is fixedly connected with a front lower mold core, and the end adjacent to the rear lower mold core and the sliding block below the rear lower mold core, the front lower mold core and the fixed block below the front lower mold core are all provided with partial cavities, and the bottom plate corresponding to each partial cavity is fixedly provided with a pad.

2. An automatic opening and closing forging die according to claim 1, characterized in that: The fixed block below the front lower mold core is provided with a detection hole connected with the partial cavity, and a proximity switch is arranged in the detection hole.

3. An open and close automatically forging die according to claim 1 or 2, characterized in that: The bottom plate between the fixed block and the two guide rails is fixedly provided with a limiting block below the hinging position of the front rotating arm and the rear rotating arm.

4. An automatic opening and closing forging die according to claim 3, wherein: The rear end of each of the two guide rails is fixedly connected with a dustproof plate.