Hydraulically-controlled large forge piece die rapid switching device and using method thereof

The large forging die quick-change device controlled by hydraulics utilizes screw drive, bevel gear linkage and elastic buffer mechanism to achieve precise die pushing and automatic alignment of screw holes, solving the problems of manual dependence and positioning difficulties in traditional die changing and improving production efficiency.

CN121104002AActive Publication Date: 2025-12-12SHANXI DONGTAI HEAVY IND FORGING CO LTD
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Patent Information

Application Number
CN202511678843.1
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2025-11-17
Publication Date
2025-12-12
Estimated Expiration
2045-11-17

AI Technical Summary

Technical Problem

In the process of changing traditional large forging dies, the dies are heavy, and it is time-consuming and laborious to move them in and out manually. The holes need to be adjusted repeatedly, which is cumbersome and results in low production efficiency.

Method used

The large forging die quick switching device with hydraulic control achieves precise die pushing and automatic screw hole alignment through screw drive, bevel gear linkage and elastic buffer mechanism, combined with multi-directional pushing mechanism and lifting component, reducing manual intervention.

Benefits of technology

It significantly shortens mold changeover time, enhances the continuous operation capability of large forging production lines, solves the problems of manual reliance and positioning difficulties in traditional mold replacement, and improves mold installation speed.

✦ Generated by Eureka AI based on patent content.

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Abstract

The invention discloses a hydraulically-controlled large forge piece die rapid switching device and a using method thereof, and belongs to the technical field of forge piece dies, the hydraulically-controlled large forge piece die rapid switching device comprises a base, and further comprises a top plate and a hydraulic cylinder, the hydraulic mechanism is arranged on the top plate and used for driving the die body to perform die assembly forging; the mold body is configured to be of a detachable split structure and is arranged between the base and the hydraulic mechanism; the pushing mechanisms are symmetrically distributed on the two sides of the base, and each pushing mechanism comprises a first pushing assembly used for pushing the left side or the right side of the mold body, a second pushing assembly used for pushing the front side of the mold body and a lifting assembly used for lifting the mold body; through cooperative operation of the hydraulic drive, the multi-direction pushing mechanism and the lifting assembly, the problems of manual dependence, positioning difficulty and low efficiency in traditional die replacement are solved, the die switching time is remarkably shortened, and the continuous operation capacity of a large forging production line is improved.
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Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of forging die, in particular to a hydraulic control large forging die quick switching device and a using method thereof. BACKGROUND

[0002] The hydraulic forming machine is a device for obtaining a certain shape of die by extruding the upper die and the lower die through the hydraulic device, which is usually used for processing metal, plastic, rubber and other products. When performing hydraulic forming on large forgings, different die hydraulic forming machines are often selected according to the shape or type of the product, or different shaped dies are replaced. In the prior art, the hydraulic forming machine can replace dies of different shapes.

[0003] The traditional way of replacing the die is to manually twist the nut, disassemble the fixed die, then push the original die away from the forging table, then place the new die on the moving table and push it to the lower side of the hydraulic rod, and then install it by twisting the nut. However, the die of the large forging is heavy, and it is time-consuming and laborious to manually move and remove the die, and the installation hole needs to be adjusted repeatedly to align the die installation hole with the original installation hole of the hydraulic part, which is complicated and not convenient for quick installation and disassembly of the die, reducing the forging production and processing efficiency. SUMMARY

[0004] The purpose of the present application is to solve the problems in the prior art and provide a hydraulic control large forging die quick switching device and a using method thereof.

[0005] In order to achieve the above purpose, the present application adopts the following technical scheme: A hydraulic control large forging die quick switching device, comprising a base, further comprising: a top plate arranged in an upper and lower interval with the base through a support column; a hydraulic mechanism arranged on the top plate for driving the die to close and forge; a die configured in a detachable split structure arranged between the base and the hydraulic mechanism; a pushing mechanism symmetrically distributed on both sides of the base, including a first pushing assembly for pushing the left / right side of the die, a second pushing assembly for pushing the front side of the die, and a lifting assembly for lifting the die; Wherein, the pushing direction of the first pushing assembly of the pushing mechanism is perpendicular to the pushing direction of the second pushing assembly of the pushing mechanism.

[0006] Preferably, the hydraulic mechanism comprises: a forging hydraulic cylinder fixedly arranged on the top plate; an installation plate connected to the end of the hydraulic rod of the forging hydraulic cylinder; The first screw hole is symmetrically arranged on the bottom of the mounting plate and the top of the base.

[0007] Preferably, the mold body comprises: The upper mold plate and the lower mold plate are adapted to the external fixing member through the second screw hole. The upper mold base and the lower mold base are fixed on the upper mold plate and the lower mold plate respectively. The mold cavity is formed at the closed joint of the upper mold base and the lower mold base.

[0008] Preferably, the first pushing assembly comprises: The driving motor is fixedly arranged on the base. The first screw rod is coaxially connected with the output shaft of the driving motor. The first sleeve is threadedly connected with the first screw rod. The pushing plate is fixedly arranged on the first sleeve and slidably abuts against the mold body.

[0009] Preferably, the second pushing assembly comprises: The transmission rod is pivotally connected to the inner cavity of the base through a bearing. The driven bevel gear is fixedly arranged on the end of the transmission rod. The driving bevel gear is fixedly arranged on the first screw rod and engaged with the driven bevel gear. The second sleeve is threadedly connected with the external thread segment of the transmission rod. The pushing seat is arranged on the second sleeve and slidably abuts against the mold body. The supporting seat is fixedly arranged on the side wall of the base and used for supporting the rotating end of the transmission rod. The limiting plate is fixedly arranged on the base and used for restricting the movement path of the mold body.

[0010] Preferably, the pushing seat comprises: The fixed seat is rigidly connected with the second sleeve. One end of the elastic telescopic rod is fixedly arranged on the fixed seat. The movable seat is connected with the other end of the elastic telescopic rod.

[0011] Preferably, the transmission rod comprises: The rotating rod is pivotally connected to the inner cavity of the base through a bearing. The second screw rod is connected with the rotating rod through a universal joint. The rotating rod is pivotally connected between the supporting seat and the base and used for adjusting the transmission angle of the transmission rod.

[0012] Preferably, the movable seat comprises: The L-shaped seat is fixedly connected with the elastic telescopic rod. The movable groove is arranged on the inner side of the L-shaped seat. The movable block is slidably arranged in the movable groove and is elastically connected with the groove wall through the elastic element, and the contact surface is provided with an extrusion inclined surface matched with the mold body; The pull ring is fixedly arranged on the mold body and is clamped with the extrusion inclined surface of the movable block.

[0013] Preferably, the lifting assembly comprises: The support is fixedly arranged on the support seat and is provided with a supporting hydraulic cylinder thereon; The support plate is connected with the end of the hydraulic rod of the supporting hydraulic cylinder; The telescopic plate is hingedly connected with the support plate through a pin shaft; The swing plate is fixedly connected with one end of the telescopic plate and is slidably connected with the lifting seat through the moving block at the other end, and is rotatably connected with the support seat through a pin shaft; The rolling balls are arrayed and embedded in the surface of the lifting seat; The moving groove is arranged at the bottom of the lifting seat and is used for guiding the sliding track of the moving block.

[0014] The application further discloses a use method of the hydraulic control large forging mold quick switching device. S1: disassembling the original mold body, dismounting the bolts between the upper mold plate and the mounting plate and the bolts between the lower mold plate and the base, controlling the forging hydraulic cylinder to retract the hydraulic rod, and separating the mounting plate from the mold body; S2: rotating the support seat around the rotating rod, rotating the support seat from the initial position parallel to the side surface of the base to the position perpendicular to the base, starting the supporting hydraulic cylinder, extending the hydraulic rod and pushing the support plate to abut against the ground, and forming the stable support for the distal end of the support seat; S3: moving the support plate downward to rotate the telescopic plate, rotating the swing plate around the pin shaft connected with the support seat, pushing the moving block to slide in the moving groove through the swing plate, moving the lifting seat upward along the support seat, lifting the mold body through the rolling balls, and separating the mold body from the surface of the base to be in a suspended state; S4: starting the driving motor to rotate the first lead screw in the positive direction, rotating the transmission rod through the meshing of the driving bevel gear and the driven bevel gear; The first pushing assembly: the first sleeve drives the pushing plate to move back through the rotation of the first lead screw, and the pushing plate no longer abuts against the side surface of the mold body; The second pushing assembly: the transmission rod drives the second lead screw to rotate, the second sleeve moves back, the pushing seat is clamped with the pull ring through the movable block, the pushing seat pulls the mold body away from the base, the dismounted mold body smoothly slides along the rolling balls on the surface of the support seat to the external work station, and the workers use the lifting tool to move the old mold body out and place the new mold body; S5: the driving motor rotates in the reverse direction, the first lead screw rotates in the reverse direction, and the transmission rod rotates in the reverse direction: The first sleeve of the first pushing assembly drives the pushing plate to move towards the base, and the pushing seat of the second pushing assembly pushes the mold body to the upper side of the base through the L-shaped seat until the mold body abuts against the limiting plate, at this time, the pushing plates on both sides of the base have not completed the clamping of the mold body; With the continuous operation of the driving motor, the pushing plates on both sides of the base continue to move and gradually approach the side surface of the mold body, realizing the centering and clamping of the mold body, since the mold body is placed on the ball, when abutting against the pushing plate, the force is adjusted and placed easily, so that the mold body is placed in the middle of the base, ensuring that the screw hole of the mold body is aligned with the screw hole of the base and the mounting plate, during which the elastic expansion rod is compressed, and the movable block is contracted and enters the movable slot and resets after entering the pull ring; S6: The supporting hydraulic cylinder retracts the hydraulic rod to make the lifting seat descend, the bottom of the mold body is attached to the top of the base, the forging hydraulic cylinder moves out of the hydraulic rod, the upper mold plate and the mounting plate, the lower mold plate and the base are re-fixed through the bolts, and finally the supporting seat is folded to the initial position, completing the mold switching.

[0015] Compared with the prior art, the present application provides a hydraulic control large forging mold quick switching device and its use method, which has the following beneficial effects: 1、The hydraulic control large forging mold quick switching device and its use method, through the cooperation of the screw rod transmission, bevel gear linkage and elastic buffer mechanism, hydraulic drive, multidirectional pushing mechanism and lifting assembly, realize the accurate pushing of the mold body and the automatic alignment of the screw hole, reduce manual intervention, solve the problems of manual dependence, positioning difficulty and low efficiency in traditional mold replacement, significantly shorten the mold switching time, and improve the continuous operation capacity of the large forging production line; 2、The hydraulic control large forging mold quick switching device and its use method, when the driving motor works, the output shaft drives the first screw rod to rotate, the first sleeve moves along the first screw rod axis, and the first sleeve drives the pushing plate to approach or move away from the mold body, thereby realizing the clamping or releasing action of the mold body; 3、The hydraulic control large forging mold quick switching device and its use method, when the first screw rod rotates, the linkage transmission rod rotates, when the first pushing assembly clamps the mold body, the pushing seat of the second pushing assembly pushes the mold body to the upper side of the base through the L-shaped seat until the mold body abuts against the limiting plate, at this time, the pushing plates on both sides of the base have not completed the clamping of the mold body, with the continuous operation of the driving motor, the pushing plates on both sides of the base continue to move and gradually approach the side surface of the mold body, realizing the centering and clamping of the mold body, since the mold body is placed on the ball, when abutting against the pushing plate, the force is adjusted and placed easily, so that the mold body is placed in the middle of the base, ensuring that the screw hole of the mold body is aligned with the screw hole of the base and the mounting plate, reducing manual intervention, solving the problems of manual dependence, positioning difficulty and low efficiency in traditional mold replacement, significantly shortening the mold switching time, and improving the continuous operation capacity of the large forging production line. 4. The hydraulic control large forging die quick switching device and its use method, when the second sleeve drives the pusher to move, the movable seat abuts against the die body, the movable block on the movable seat abuts against the pull ring and is retracted into the movable groove, and after entering the pull ring, the movable block is reset because it is no longer pressed; when the pusher moves away from the die body, the pusher is connected with the pull ring through the movable block, the pusher pulls the die body away from the base, and the disassembled die body slides to the external work station along the support seat, and the auxiliary die is quickly removed; 5. The hydraulic control large forging die quick switching device and its use method, when the support plate moves downward to drive the telescopic plate to rotate, the linkage swing plate rotates around the pin shaft connected with the support seat, the swing plate drives the moving block to slide in the moving groove, the lifting seat moves upward along the support seat, the lifting seat lifts the die body through the ball, and the die body is separated from the surface of the base and is in a suspended state, so that the pusher mechanism pushes or pulls the die body smoothly, the die is quickly moved in / out, the problem that the large die is heavy and it is difficult to manually adjust the position in the prior art is solved, the die installation rate is ensured, and the die is quickly switched. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 Structure diagram of the present application Figure 1 ; Figure 2 Structure diagram of the present application Figure 1 A enlarged structure diagram of the present application Figure 3 Structure diagram of the present application Figure 2 ; Figure 4 Structure diagram of the present application Figure 5 Structure diagram of the present application Figure 6 Structure diagram of the present application Figure 7 Structure diagram of the present application Figure 8 Structure diagram of the present application Figure 9 Structure diagram of the present application Figure 1 ; Figure 10 Structure diagram of the present application Figure 2 ; Figure 11 Structure diagram of the present application Figure 12 Structure diagram of the present application

[0017] In the figure: 1, base; 2, top plate; 201, support column; 3, hydraulic mechanism; 301, forging hydraulic cylinder; 302, mounting plate; 4, die body; 401, upper die plate; 402, upper die seat; 403, lower die seat; 404, lower die plate; 5, pushing mechanism; 6, driving motor; 601, first screw rod; 602, first sleeve; 603, pushing plate; 7, rotating rod; 8, transmission rod; 801, rotating rod; 802, second screw rod; 9, support seat; 10, second sleeve; 11, pushing seat; 111, fixed seat; 112, elastic telescopic rod; 113, movable seat; 1131, L-shaped seat; 1132, movable groove; 1133, movable block; 1134, elastic element; 12, driven bevel gear; 121, driving bevel gear; 13, limiting plate; 14, pull ring; 15, support; 151, support hydraulic cylinder; 152, support plate; 153, telescopic plate; 154, swing plate; 155, moving block; 156, lifting seat; 1561, ball; 1562, moving groove; 16, first screw hole; 17, second screw hole. DETAILED DESCRIPTION

[0018] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only some of the embodiments of the present application, not all the embodiments of the present application.

[0019] In the description of the present application, it should be understood that the terms "upper", "lower", "front", "back", "left", "right", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the purpose of facilitating the description of the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application.

[0020] As Figures 1 to 3As shown, the present embodiment proposes a hydraulic control large forging die quick switching device, which belongs to the technical field of forging dies and comprises a base 1, a top plate 2, a hydraulic mechanism 3, a die body 4 and a pushing mechanism 5. The top plate 2 is arranged above and below the base 1 through support columns 201, and the base 1 and the top plate 2 form a rigid frame through the support columns 201. The hydraulic mechanism 3 is arranged on the top plate 2 and used to drive the die body 4 to close and forge. The die body 4 is configured as a detachable split structure and arranged between the base 1 and the hydraulic mechanism 3. The pushing mechanism 5 is symmetrically distributed on both sides of the base 1 and comprises a first pushing assembly used to push the die body 4 left / right, a second pushing assembly used to push the die body 4 front and a lifting assembly used to lift the die body 4. The pushing direction of the first pushing assembly of the pushing mechanism 5 is perpendicular to the pushing direction of the second pushing assembly of the pushing mechanism 5. Through the cooperative operation of the hydraulic drive, the multi-directional pushing mechanism 5 and the lifting assembly, the present application solves the problems of manual dependence, positioning difficulty and low efficiency in traditional die replacement, significantly shortens the die switching time and improves the continuous operation capacity of the large forging production line.

[0021] As shown in Figure 1 , Figure 3 and Figure 4 , as a preferred embodiment, on the basis of the above-mentioned mode, further, the hydraulic mechanism 3 comprises a forging hydraulic cylinder 301 fixed on the top plate 2. The forging hydraulic cylinder 301 is installed in a flange manner and fixed vertically at the center position of the top plate 2 through high-strength bolts. An installation plate 302 is connected to the end of the hydraulic rod in a threaded anti-loose connection structure. First screw holes are formed in the installation plate 302 and the base 1 for installing the die body 4. The forging hydraulic cylinder 301 can be controlled synchronously through parallel oil paths to avoid the misalignment of the die when a single hydraulic cylinder is used to drive the die to close, or a guide rod is arranged to guide the installation plate 302.

[0022] As shown in Figure 5 , as a preferred embodiment, on the basis of the above-mentioned mode, further, the die body 4 comprises an upper die plate 401, a lower die plate 404, an upper die seat 402 and a lower die seat 403. The upper die plate 401 and the lower die plate 404 are connected to the first screw hole 16 and the second screw hole 17 through bolts. The upper die seat 402 is fixed to the upper die plate 401, and the lower die seat 403 is fixed to the lower die plate 404. The upper die seat 402 and the lower die seat 403 are closed and docked to form a forging die cavity.

[0023] As shown in Figure 1 , Figure 3 , Figure 6 and Figure 8As shown in the preferred embodiment, on the basis of the above-mentioned mode, further, the first pushing assembly comprises a driving motor 6 fixedly arranged on the base 1, and the output shaft of the driving motor 6 drives the first lead screw 601 to rotate when the driving motor 6 works, the first sleeve 602 moves along the first lead screw 601 in the axial direction, and the first sleeve 602 drives the pushing plate 603 to move close to or away from the mold body 4, so as to realize the clamping or releasing action of the mold body 4.

[0024] As shown in the preferred embodiment, on the basis of the above-mentioned mode, further, the first pushing assembly comprises a driving motor 6 fixedly arranged on the base 1, and the output shaft of the driving motor 6 drives the first lead screw 601 to rotate when the driving motor 6 works, the first sleeve 602 moves along the first lead screw 601 in the axial direction, and the first sleeve 602 drives the pushing plate 603 to move close to or away from the mold body 4, so as to realize the clamping or releasing action of the mold body 4. Figure 6 、 Figure 7 、 Figure 8 and Figure 9 As shown in the preferred embodiment, on the basis of the above-mentioned mode, further, the second pushing assembly comprises a transmission rod 8 pivotally connected to the inner cavity of the base 1 through a bearing, and when the first lead screw 601 rotates, the driving bevel gear 121 on the outer side of the first lead screw 601 meshes with the driven bevel gear 12 on the transmission rod 8 to drive, since the second sleeve 10 is threadedly connected with the transmission rod 8, the second sleeve 10 moves in the axial direction of the transmission rod 8, so that the second sleeve 10 drives the pushing seat 11 to move away from or close to the mold body 4; when the second sleeve 10 drives the pushing seat 11 to close to the mold body 4, the pushing seat 11 pushes the mold body 4 until the mold body 4 abuts against the limiting plate 13 on the base 1, so as to limit the moving distance of the mold body 4.

[0025] As shown in the preferred embodiment, on the basis of the above-mentioned mode, further, the second pushing assembly comprises a transmission rod 8 pivotally connected to the inner cavity of the base 1 through a bearing, and when the first lead screw 601 rotates, the driving bevel gear 121 on the outer side of the first lead screw 601 meshes with the driven bevel gear 12 on the transmission rod 8 to drive, since the second sleeve 10 is threadedly connected with the transmission rod 8, the second sleeve 10 moves in the axial direction of the transmission rod 8, so that the second sleeve 10 drives the pushing seat 11 to move away from or close to the mold body 4; when the second sleeve 10 drives the pushing seat 11 to close to the mold body 4, the pushing seat 11 pushes the mold body 4 until the mold body 4 abuts against the limiting plate 13 on the base 1, so as to limit the moving distance of the mold body 4. Figure 6 、 Figure 7 、 Figure 8 、 Figure 9 and Figure 10 As shown in the preferred embodiment, on the basis of the above-mentioned mode, further, the pushing seat 11 comprises a fixed seat 111 rigidly connected with the second sleeve 10, when the second sleeve 10 drives the pushing seat 11 to close to the mold body 4 and pushes the mold body 4, the fixed seat 111 transmits the force to the movable seat 113 through the elastic telescopic rod 112, so that the movable seat 113 abuts against and pushes the mold body 4, when the end of the mold body 4 away from the movable seat 113 abuts against the limiting plate 13, the fixed seat 111 continues to move with the second sleeve 10, and when the movable seat 113 cannot continue to move, the elastic telescopic rod 112 is compressed. The specific process is as follows: The first sleeve 602 of the first pushing assembly drives the pushing plate 603 to move to the base 1, the pushing seat 11 of the second pushing assembly pushes the mold body 4 to the upper side of the base 1 through the movable seat 113 until the mold body 4 abuts against the limiting plate 13, and at this time, the pushing plates 603 on both sides of the base 1 have not completed the clamping of the mold body 4. With the drive motor 6 continues to run, the push plate 603 on both sides of the base 1 continues to move and gradually close to the side of the die body 4, realize to the die body 4 center clamping, make the die body 4 in the middle of the base 1, ensure that the die body 4 screw hole and the base 1 and the mounting plate 302 screw hole alignment, during this period, the elastic telescopic rod 112 is compressed, realize the accurate push of the die body 4 and the automatic alignment of the screw hole, reduce the manual intervention, solve the traditional mold replacement of artificial dependence, positioning difficulties and low efficiency problem, significantly shorten the mold switching time, improve the continuous operation ability of large forging production line; It should be noted that the wear-resistant surface or ball can be provided on the abutting surface of the movable seat 113 and the die body 4, so that the die body 4 can smoothly slide relative to the movable seat 113 when pushed by the push plate 603, reducing the degree of wear and prolonging the service life.

[0026] As shown in Figure 8 , Figure 9 and Figure 12 , as a preferred embodiment, on the basis of the above mode, further, the transmission rod 8 includes a rotating rod 801 pivoted in the inner cavity of the base 1 through a bearing, the rotating rod 801 is connected with the second lead screw 802 through a universal joint, the universal joint is a prior art, which will not be described in detail here, the universal joint is made of alloy steel to ensure its service life, and when the rotating rod 801 rotates, the second lead screw 802 can be driven to rotate through the universal joint, thereby enabling the second push assembly to act; the support seat 9 is rotatably connected with the base 1 through the rotating rod 7, when replacing the large mold, the support seat 9 is moved to a position perpendicular to the base 1, facilitating the replacement and transfer of the large mold by the support seat 9; when the large mold is processing, storing or transferring the forgings, the support seat 9 is rotated and moved to a position parallel to the base 1, avoiding occupying too much area and hindering the use of the staff.

[0027] As shown in Figure 8 , Figure 9 and Figure 11 , as a preferred embodiment, on the basis of the above mode, further, the movable seat 113 includes an L-shaped seat 1131 fixedly connected with the elastic telescopic rod 112, an active slot 1132 is formed in the inner side of the L-shaped seat 1131, an active block 1133 is connected in the active slot 1132 through an elastic element 1134, when the second sleeve 10 drives the push seat 11 to move, the movable seat 113 abuts against the die body 4, the active block 1133 on the movable seat 113 is abutted against the pull ring 14 and is retracted into the active slot 1132, and after entering the pull ring 14, it is reset because it is no longer abutted; when the push seat 11 moves away from the die body 4, the push seat 11 is clamped with the pull ring 14 through the active block 1133, the push seat 11 pulls the die body 4 away from the base 1, the removed die body 4 slides along the support seat 9 to the external work station, and the staff removes the old die body 4 and places the new die body 4 using the lifting tool.

[0028] As shown in Figure 6 、 Figure 7 、 Figure 9 and Figure 10 , as a preferred embodiment, on the basis of the above mode, further, the lifting assembly comprises a support 15 fixedly arranged on the support base 9, and a supporting hydraulic cylinder 151 is arranged on the support 15; when the supporting hydraulic cylinder 151 is started, the hydraulic rod is extended and pushes the supporting plate 152 to abut against the ground, thereby forming stable support to the distal end of the support base 9, so that the position of the support base 9 is fixed; when the supporting plate 152 moves downward, the telescopic plate 153 is rotated, the linkage swing plate 154 is rotated around the pin shaft connected with the support base 9, the swing plate 154 pushes the moving block 155 to slide in the moving groove 1562, so that the lifting seat 156 moves upward along the support base 9; the lifting seat 156 lifts the die body 4 through the ball 1561, so that the die body 4 is separated from the surface of the base 1 and is in a suspended state, thereby facilitating the smooth sliding of the die body 4 when the pushing mechanism 5 pushes or pulls the die body 4, and the die is quickly moved in / out, thereby solving the problem of high difficulty in manual adjustment of position due to the large weight of the large die in the prior art, ensuring the installation rate of the die, and realizing the quick switching of the die.

[0029] The application further discloses a use method of the hydraulic control large forging die quick switching device. S1: disassembling the original die body 4, dismounting the bolts between the upper die plate 401 and the mounting plate 302 and the bolts between the lower die plate 404 and the base 1, and controlling the forging hydraulic cylinder 301 to retract the hydraulic rod, so that the mounting plate 302 is separated from the die body 4; S2: rotating the support base 9 around the rotating rod 7, rotating the support base 9 from the initial position parallel to the side surface of the base 1 to the position perpendicular to the base 1; starting the supporting hydraulic cylinder 151, and extending the hydraulic rod to push the supporting plate 152 to abut against the ground, thereby forming stable support to the distal end of the support base 9; S3: moving the supporting plate 152 downward to drive the telescopic plate 153 to rotate, rotating the linkage swing plate 154 around the pin shaft connected with the support base 9, pushing the moving block 155 to slide in the moving groove 1562 by the swing plate 154, moving the lifting seat 156 upward along the support base 9, lifting the die body 4 by the lifting seat 156 through the ball 1561, and separating the die body 4 from the surface of the base 1 and making the die body 4 in a suspended state; S4: starting the driving motor 6 to drive the first lead screw 601 to rotate forward, driving the transmission rod 8 to rotate through the meshing of the driving bevel gear 121 and the driven bevel gear 12; The first pushing assembly: rotating the first lead screw 601 to make the first sleeve 602 drive the pushing plate 603 to move back, and the pushing plate 603 no longer abuts against the side surface of the die body 4; The second pushing assembly: the transmission rod 8 rotates to drive the second lead screw 802 to rotate, the second sleeve 10 moves back, the pusher 11 is clamped with the pull ring 14 through the movable block 1133, the pusher 11 pulls the mold body 4 away from the base 1, and the disassembled mold body 4 smoothly slides along the ball 1561 on the surface of the support seat 9 to an external work station, and a worker uses a lifting tool to move the old mold body 4 out and places a new mold body 4; S5: the driving motor 6 rotates reversely, the first lead screw 601 reversely rotates, and the linkage transmission rod 8 reversely rotates: The first sleeve 602 of the first pushing assembly drives the pusher plate 603 to move towards the base 1, and the pusher 11 of the second pushing assembly pushes the mold body 4 to the upper side of the base 1 through the L-shaped seat 1131 until the mold body 4 abuts against the limiting plate 13, at this time, the pusher plates 603 on both sides of the base 1 have not completed clamping of the mold body 4; With the continuous operation of the driving motor 6, the pusher plates 603 on both sides of the base 1 continue to move and gradually approach the side surface of the mold body 4, so that the mold body 4 is centered and clamped, because the mold body 4 is placed on the ball 1561, when abutting against the pusher plate 603, the force is adjusted and placed easily, so that the mold body 4 is placed in the middle of the base 1, and the screw holes of the mold body 4 are aligned with the screw holes of the base 1 and the mounting plate 302, during this period, the elastic extension rod 112 is compressed, and the movable block 1133 is stressed to shrink into the movable groove 1132 and reset after entering the pull ring 14; S6: the support hydraulic cylinder 151 retracts the hydraulic rod to make the lifting seat 156 descend, the bottom of the mold body 4 is attached to the top of the base 1, the forging hydraulic cylinder 301 moves out of the hydraulic rod, the upper die plate 401 and the mounting plate 302 and the lower die plate 404 and the base 1 are re-fixed through bolts, and finally the support seat 9 is folded to the initial position, and the mold switching is completed.

[0030] The above is only a preferred specific embodiment of the present application, but the protection scope of the present application is not limited to this, any person skilled in the art can make equivalent replacement or change according to the technical scheme and the inventive concept of the present application within the technical range disclosed by the present application, which should be covered in the protection scope of the present application.

Claims

1. A hydraulic control large forging die quick switching device, comprising a base (1), characterized in that, Also include: The top plate (2) is arranged above and below the base (1) through the support column (201); Hydraulic mechanism (3), provided with top plate (2), for driving die body (4) die forging; The die body (4) is arranged between the base (1) and the hydraulic mechanism (3) in a detachable split structure; Pushing mechanism (5) is symmetrically distributed on both sides of the base (1), including the first pushing component for pushing the left / right side of the die body (4), the second pushing component for pushing the front side of the die body (4), and the lifting component for lifting the die body (4); Wherein, the pushing direction of the first pushing component of the pushing mechanism (5) is perpendicular to the pushing direction of the second pushing component of the pushing mechanism (5).

2. The hydraulic control large forging die quick switching device according to claim 1, characterized in that, The hydraulic mechanism (3) comprises: Forging hydraulic cylinder (301), fixedly arranged on the top plate (2); Mounting plate (302), connecting the hydraulic rod end of forging hydraulic cylinder (301); First screw hole (16), symmetrically opened on the bottom of mounting plate (302) and the top of base (1).

3. The hydraulic control large forging die quick switching device according to claim 2, characterized in that, The die body (4) comprises: Upper die plate (401) and lower die plate (404) are adapted to external fixing members through second screw hole (17); Upper die seat (402) and lower die seat (403) are fixed on upper die plate (401) and lower die plate (404) respectively; Die cavity is formed at the closed joint of upper die seat (402) and lower die seat (403).

4. The hydraulic control large forging die quick switching device according to claim 3, characterized in that, The first pushing component comprises: Drive motor (6), fixedly arranged on the base (1); First screw rod (601), coaxially connected with the output shaft of drive motor (6); First sleeve (602), threaded connection on the first screw rod (601); Pushing plate (603), fixedly arranged on the first sleeve (602) and slidingly abutting the die body (4).

5. The hydraulic control large forging die quick switching device according to claim 4, characterized in that, The second pushing component comprises: Transmission rod (8), pivoted in the inner cavity of the base (1) through a bearing; Driven bevel gear (12), fixedly arranged on the end of transmission rod (8); Driving bevel gear (121), fixedly arranged on the first screw rod (601) and engaged with the driven bevel gear (12); Second sleeve (10), threaded connection on the outer thread section of transmission rod (8); Pushing seat (11), arranged on the second sleeve (10) and slidingly abutting the die body (4); Support seat (9), fixedly arranged on the side wall of the base (1), used for supporting the rotating end of the transmission rod (8), and the lifting component is arranged on the support seat (9); Limiting plate (13), fixedly arranged on the base (1), used for restricting the movement path of the die body (4).

6. The hydraulic control large forging die quick switching device according to claim 5, characterized in that, The pushing seat (11) comprises: Fixed seat (111), rigidly connected with the second sleeve (10); Elastic telescopic rod (112), one end fixedly connected with the fixed seat (111); Movable seat (113), connected with the other end of the elastic telescopic rod (112).

7. The hydraulic control large forging die quick switching device according to claim 6, characterized in that, The transmission rod (8) comprises: Rotating rod (801), pivoted in the inner cavity of the base (1) through a bearing; Second screw rod (802), connected with the rotating rod (801) through a universal joint; A rotating rod (7) is pivotally connected between the support base (9) and the base (1) to adjust the transmission angle of the transmission rod (8).

8. The hydraulic control large forging die quick switching device according to claim 7, characterized in that, The movable seat (113) comprises: An L-shaped seat (1131) is fixedly connected with the elastic telescopic rod (112); A movable groove (1132) is formed in the inner side of the L-shaped seat (1131); A movable block (1133) is slidably arranged in the movable groove (1132) and is elastically connected with the groove wall through an elastic element (1134), and a contact surface of the movable block (1133) is provided with a pressing inclined surface matched with the die body (4); A pull ring (14) is fixedly arranged on the die body (4) and is in abutting connection with the pressing inclined surface of the movable block (1133).

9. The hydraulic control large forging die quick switching device according to claim 8, characterized in that, The lifting assembly comprises: A support base (15) is fixedly arranged on the support base (9) and is provided with a supporting hydraulic cylinder (151); A support plate (152) is connected with the hydraulic rod end of the supporting hydraulic cylinder (151); A telescopic plate (153) is hingedly connected with the support plate (152) through a pin shaft; A swing plate (154) is fixedly connected with one end of the telescopic plate (153) and is slidably connected with a lifting seat (156) through a moving block (155) at the other end, and is rotatably connected with the support base (9) through a pin shaft; A plurality of rolling balls (1561) are arranged on the surface of the lifting seat (156); A moving groove (1562) is formed in the bottom of the lifting seat (156) to guide the sliding track of the moving block (155).

10. A method of using a hydraulic control based large forging die quick switching device according to claim 9, characterized in that, The method comprises the following steps: S1: disassemble the original die body (4), remove the bolts between the upper die plate (401) and the mounting plate (302) and the bolts between the lower die plate (404) and the base (1), control the retraction of the forging hydraulic cylinder (301), and separate the mounting plate (302) from the die body (4); S2: rotate the support base (9) around the rotating rod (7) as the center, rotate the support base (9) from the initial position parallel to the side surface of the base (1) to the position perpendicular to the base (1), start the supporting hydraulic cylinder (151), and extend the hydraulic rod to abut against the ground and form stable support for the distal end of the support base (9); S3: the support plate (152) moves downward to drive the telescopic plate (153) to rotate, the swing plate (154) is connected and rotates around the pin shaft connected with the support base (9), the swing plate (154) drives the moving block (155) to slide in the moving groove (1562), the lifting seat (156) moves upward along the support base (9), the lifting seat (156) lifts the die body (4) through the rolling balls (1561), and the die body (4) is separated from the surface of the base (1) and is in a suspended state; S4: start the driving motor (6) to drive the first lead screw (601) to rotate in the forward direction, drive the transmission rod (8) to rotate through the meshing of the driving bevel gear (121) and the driven bevel gear (12); The first pushing assembly: the rotation of the first lead screw (601) drives the first sleeve (602) to drive the push plate (603) to move backward, and the push plate (603) no longer abuts against the side surface of the die body (4); ‌The second push assembly: the transmission rod (8) rotates to drive the second lead screw (802) to rotate, the second sleeve (10) moves back, the push seat (11) is clamped with the pull ring (14) through the movable block (1133), the push seat (11) pulls the mold body (4) away from the base (1), the disassembled mold body (4) smoothly slides along the ball (1561) on the surface of the support seat (9) to the external work station, the worker uses the lifting tool to move the old mold body (4) out and places the new mold body (4); S5: the driving motor (6) rotates reversely, the first lead screw (601) reversely rotates, and the linkage transmission rod (8) reversely rotates: ‌The first sleeve (602) of the first push assembly drives the push plate (603) to move towards the base (1), and the push seat (11) of the second push assembly pushes the mold body (4) to the upper side of the base (1) through the L-shaped seat (1131) until the mold body (4) abuts against the limiting plate (13), at this time, the push plates (603) on both sides of the base (1) have not completed the clamping of the mold body (4); With the continuous operation of the driving motor (6), the push plates (603) on both sides of the base (1) continue to move and gradually approach the side surface of the mold body (4), realizing the centering and clamping of the mold body (4), since the mold body (4) is placed on the ball (1561), when abutting against the push plate (603), it is stressed and easily adjusted to the placement position, so that the mold body (4) is placed in the middle of the base (1), ensuring that the screw hole of the mold body (4) is aligned with the screw hole of the base (1) and the mounting plate (302), during which the elastic extension rod (112) is compressed, and the movable block (1133) is stressed to shrink into the movable groove (1132) and reset after entering the pull ring (14); S6: the support hydraulic cylinder (151) retracts the hydraulic rod to make the lifting seat (156) move down, the bottom of the mold body (4) is attached to the top of the base (1), the forging hydraulic cylinder (301) moves out of the hydraulic rod, the upper mold plate (401) and the mounting plate (302), the lower mold plate (404) and the base (1) are re-fixed through bolts, and finally the support seat (9) is folded to the initial position, completing the mold switching.

Citation Information

Patent Citations

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