CN120734212A - Material pressing mechanism of mechanical press - Google Patents
Material pressing mechanism of mechanical pressInfo
- Publication number
- CN120734212A CN120734212A CN202511222889.2A CN202511222889A CN120734212A CN 120734212 A CN120734212 A CN 120734212A CN 202511222889 A CN202511222889 A CN 202511222889A CN 120734212 A CN120734212 A CN 120734212A
- Authority
- CN
- China
- Prior art keywords
- pressing
- rod
- fixedly connected
- pressing mechanism
- linkage
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D43/00—Feeding, positioning or storing devices combined with, or arranged in, or specially adapted for use in connection with, apparatus for working or processing sheet metal, metal tubes or metal profiles; Associations therewith of cutting devices
- B21D43/003—Positioning devices
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Press Drives And Press Lines (AREA)
Abstract
The invention relates to the field of pressing machines, and discloses a pressing mechanism of a mechanical pressing machine, which comprises a pressing machine base; an automatic material pressing mechanism; the automatic pressing mechanism is arranged on the upper surface of the press stand and is used for triggering the limiting and centering of the two sides of the workpiece in a linkage manner in the pressing process of the workpiece to be pressed, utilize linkage limiting plate and accurate mechanical linkage structure, can be with the work piece restriction in the preset position accurately to realize automatic centering, with compressing tightly action and positioning action high integration, realized compressing tightly promptly the location, the moment that the pressure flitch was pushed down, link gear just begins work, accomplishes the side direction spacing and the adjustment of centering to the work piece in step. The synchronism greatly shortens the positioning time of the workpiece, so that the working cycle of the whole press is more compact, and the production efficiency is remarkably improved.
Description
Technical Field
The invention relates to the field of pressing machines, in particular to a pressing mechanism of a mechanical pressing machine.
Background
In the field of machine manufacturing, a press is one of core equipment for performing metal plastic forming, stamping, shearing and other processing, and is widely applied to the production of parts in the industries of automobiles, household appliances, aerospace, electronics and the like. In order to ensure that the processed material (such as plates, bars, pipes and the like) can stably and accurately finish plastic deformation or separation according to a preset technological process and obtain qualified dimensional precision and surface quality in the working process of the press, additional pressure is often required to be applied to the processed material for positioning, clamping or auxiliary forming.
According to the Chinese patent publication No. CN117818124A, a pressing mechanism of a mechanical press is disclosed, which belongs to the technical field of mechanical presses and comprises a press body, a pressing column, a limiting sliding device and a pressing plate, wherein the bottom end of the pressing column is fixedly connected with a first linear moving part, the output end of the first linear moving part is fixedly connected with a second pressure sensor, the pressing sensor is fixedly connected with a pressing plate, the pressing column is fixedly connected with a speed sensor, the pressing mechanism comprises a crankshaft, the pressing plate and a bearing bush, the crankshaft is rotatably connected to the press body, the bearing bush is detachably connected to the pressing plate, the pressing plate is hinged to the upper end of the pressing column through a rotating shaft, the pressing plate and the bearing bush can be encircled into a cylindrical cavity, the vibration of the pressing mechanism of the mechanical press during working can be reduced, meanwhile, the pressing column can be promoted to slide more smoothly, the running state of the mechanical pressing mechanism can be estimated and adjusted through an estimation system, but the pressing mechanism has the defects, the existing main pressing mechanism is often not depended on a speed sensor, the pressing mechanism is provided with a plurality of pressing plates, the pressing device is not only can be accurately positioned at a preset position, but also can be positioned at a certain position or is not to be positioned by a single-stage, and a workpiece is not positioned by a pressing device, and a worker is positioned at a certain position or is not stressed by a certain position, and is positioned by a user, and can be positioned at a position or is not completely.
Disclosure of Invention
Aiming at the defects in the prior art, the invention provides a pressing mechanism of a mechanical press, which solves the problems.
In order to achieve the purpose, the invention is realized by the following technical scheme that the pressing mechanism of the mechanical press comprises:
A press base;
An automatic material pressing mechanism; the automatic pressing mechanism is arranged on the upper surface of the press stand and is used for linkage triggering limiting and centering of two sides of a workpiece in the pressing process of the workpiece to be pressed, the automatic pressing mechanism comprises a hydraulic rod, a pressing plate, a connecting bracket, a pressing connecting arm, a recovery arm, a limiting sliding rail, a driving sliding block, a telescopic rod, a buffer spring, a linkage limiting plate, a connecting groove, a main pull rod, an auxiliary pull rod, a locking block and a disassembling block, when the main working cycle of the press starts and the workpiece needs to be pressed, the hydraulic system supplies oil to the hydraulic rod, the hydraulic rod moves downwards under the action of pressure, the pressing plate in transmission connection with the lower end of the hydraulic rod moves downwards along with the pressing plate, gradually contacts and presses the workpiece, the connecting grooves on two sides of the pressing plate move downwards, the connecting bracket rotationally connected with the pressing plate can be driven to swing outwards, the outward swing motion of the connecting bracket drives the pressing linkage arm to rotate outwards, the outward rotation of the pressing linkage arm drives the recovery arm to swing outwards, the swing of the recovery arm transmits force to the inner disassembly block through the rotating rod and the locking screw rod at the tail end of the recovery arm, the disassembly block is fixed on the outer side of the driving sliding block, so that the driving sliding block is pushed to slide inwards along the limiting sliding rail, the inner side of the driving sliding block drives the telescopic rod fixedly connected with the driving sliding block to move together, the linkage limiting plate is pushed to move inwards, when the driving sliding block moves to a specific position, the linkage limiting plate contacts one side of a workpiece, at the moment, the buffer spring at the outer side of the telescopic rod plays a role of buffering and limiting, the impact is prevented and the accurate positioning is realized, meanwhile, the linkage system formed by the main pull rod and the auxiliary pull rod can assist in adjusting the postures of the recovery arm and the linkage arm according to the geometric relation of the pressing plate in the pressing process, the workpiece is ensured to be stably pushed to the central position in the whole process, lateral movement of the workpiece is limited, the linkage mechanism is kept in a locking state during the holding of the pressing state, the workpiece is ensured to be stable in position, when the workpiece is required to be discharged, the hydraulic system releases the pressure of the hydraulic rod, the hydraulic rod retracts under the action of the hydraulic rod or the reset spring to drive the pressing plate to rise, the connecting support, the pressing linkage arm, the recovery arm and other parts gradually recover to an initial state under the action of gravity or the reset structure along with the rising of the pressing plate, the driving slide block returns under the action of the telescopic rod and a possible reset spring, the linkage limiting plate leaves the workpiece, and one working cycle is completed.
Preferably, the hydraulic rod lower extreme transmission is connected with the pressure flitch, the spread groove has all been seted up to pressure flitch left and right sides, two the spread groove is inside all to be provided with the linking bridge, two the linking bridge all rotates with the pressure flitch to be connected, two the linking bridge keeps away from the one end of pressure flitch and all rotates to be connected with the pressure material link arm, the one end that the linking arm was kept away from to the pressure material is rotated and is connected with the recovery arm, the one end that the pressure material link arm was kept away from to the recovery arm is rotated and is connected with the dwang.
Preferably, one end of the rotating rod, which is far away from the pressing linkage arm, is fixedly connected with a locking screw, a locking block is arranged on the inner side of the locking screw, a disassembling block is arranged on the inner side of the locking block, one end of the locking screw penetrates through the locking block and the disassembling block, and the inner side of the disassembling block is fixedly connected with the outer side of the driving sliding block.
Preferably, the drive slider lower extreme sliding connection is at spacing slide rail upper surface, spacing slide rail lower extreme fixed connection is at press base upper surface, the drive slider inboard is provided with the telescopic link, the stiff end and the drive slider fixed connection of telescopic link, the free end fixedly connected with linkage limiting plate of telescopic link, the telescopic link outside cover is equipped with buffer spring.
Preferably, limiting holes are formed in four corners of the pressing plate, a buffer release cylinder is arranged in the middle of each limiting hole in a penetrating mode, the buffer release cylinder is fixedly connected with the pressing plate, an upper ejector rod is arranged below the buffer release cylinder, the lower end of the upper ejector rod is fixedly connected to the upper surface of the press base, and the upper end of the upper ejector rod is arranged inside the buffer release cylinder in a penetrating mode.
Preferably, an inner ring is arranged in the buffer release cylinder, a plurality of pressure relief holes are arranged on the inner side surface of the inner ring, when the hydraulic rod drives the pressing plate to move downwards and starts to press the workpiece, the whole pressing plate moves downwards, at the moment, the buffer release cylinders at four corners of the pressing plate also move downwards, and because the upper ejector rod is fixed on the press base, the buffer release cylinders move relatively to the upper ejector rod, the impact energy possibly generated by the pressing plate in the process of contacting the workpiece or compacting is effectively absorbed by utilizing the relative motion between the internal structure of the pressing plate and the upper ejector rod, so that the surface of the precise workpiece can be protected from damage, the impact load on the pressing plate and other parts of the press can be reduced, and the service life of the equipment is prolonged.
Preferably, the pressure sensor is fixedly connected with the front side of the pressure plate, the pressure testing rod is arranged at the lower end of the pressure sensor, the lower end of the pressure testing rod is fixedly connected with the upper surface of the press base, four corners of the upper surface of the press base are fixedly connected with supporting columns, the upper ends of the supporting columns are fixedly connected with the lower surface of the fixing support, the fixing support is fixedly connected with the pressure display, the pressure display is electrically connected with the pressure sensor, the pressure testing rod at the front end of the pressure sensor can sense the reaction force transmitted by the pressure plate through the workpiece in the process of downwards pressing the pressure plate, the change of the force is accurately measured by the pressure sensor and converted into an electric signal to be transmitted to the pressure display, an operator can know the pressing force of the current pressure plate on the workpiece in real time through observing the numerical value on the pressure display, when the pressure plate reaches the preset pressing position and pressure, the limiting mechanism firmly limits and centers the workpiece, the pressure sensor displays a stable pressure value, the pressure process is completed at the moment, and the pressure machine can perform subsequent punching or processing procedures.
Preferably, the upper surface of the press base is provided with a workpiece to be pressed, and the workpiece to be pressed is arranged on the inner sides of the two linkage limiting plates.
Preferably, the outside of the pressing linkage arm is rotationally connected with a main pull rod, the other end of the main pull rod is rotationally connected with an auxiliary pull rod, and the other end of the auxiliary pull rod is rotationally connected with the outside of the recovery arm.
Advantageous effects
The invention provides a pressing mechanism of a mechanical press. Compared with the prior art, the method has the following beneficial effects:
In the invention, when the main working cycle of the press machine starts and needs to press a workpiece, the hydraulic system supplies oil to the hydraulic rod, the hydraulic rod moves downwards under the action of pressure, the pressing plate connected with the lower end of the hydraulic rod moves downwards along with the lower end of the hydraulic rod and gradually contacts and presses the workpiece, the connecting grooves at two sides of the connecting groove drive the connecting bracket to swing outwards along with the downward movement of the pressing plate, the connecting bracket swings outwards, the outer swinging motion of the connecting bracket drives the pressing linkage arm to rotate outwards, the outer rotation of the pressing linkage arm drives the recovery arm to swing outwards, the swinging of the recovery arm transmits force to the inner disassembly block through the rotating rod and the locking screw rod at the tail end of the recovery arm, the disassembly block is fixed at the outer side of the driving slide block, so the driving slide block is pushed to slide inwards along the limiting slide rail, the inner movement of the driving slide block drives the telescopic rod fixedly connected with the driving slide block to move together, meanwhile, the linkage system formed by the main pull rod and the auxiliary pull rod can assist to adjust the postures of the recovery arm and the linkage arm according to the geometrical relationship of the linkage system in the pressing process of the pressing plate, so that the workpiece is stably pushed to the central position in the whole process and limited to move laterally, the linkage mechanism also keeps a locking state during the holding of the pressing state, the workpiece is ensured to be stable in position, when the unloading is needed, the hydraulic system releases the pressure of the hydraulic rod, the hydraulic rod retracts under the action of the self or return spring to drive the pressing plate to rise, and the connecting bracket and the pressing linkage arm are connected with each other along with the rising of the pressing plate The parts such as recovery arm resumes initial condition gradually under gravity or reset structure's effect, drive slider also returns under telescopic link and possible reset spring effect, the linkage limiting plate leaves the work piece, accomplish a duty cycle, with this mode utilization linkage limiting plate and accurate mechanical linkage structure, can be accurate with the work piece restriction in the preset position, and realize automatic centering, with compressing tightly action and positioning action high integration, realized compressing tightly promptly the location, the moment of pressing down the flitch, the link gear just begins work, accomplish the side direction spacing and centering adjustment to the work piece in step. The synchronism greatly shortens the positioning time of the workpiece, so that the working cycle of the whole press is more compact, and the production efficiency is remarkably improved.
Drawings
FIG. 1 is a schematic view of a front side three-dimensional structure of a press mechanism of a mechanical press according to the present invention;
FIG. 2 is a schematic view of a rear side perspective of a press mechanism of a mechanical press according to the present invention;
FIG. 3 is a schematic diagram of an explosion structure of a pressing mechanism of a mechanical press according to the present invention;
fig. 4 is a schematic diagram of an internal structure of a pressing mechanism of a mechanical press according to the present invention;
Fig. 5 is a schematic structural diagram of an automatic pressing mechanism in a pressing mechanism of a mechanical press according to the present invention;
Fig. 6 is a schematic structural view of an automatic pressing mechanism in a pressing mechanism of a mechanical press according to an oblique upper view angle of the present invention;
fig. 7 is an enlarged view of a press frame 6 of a mechanical press according to the present invention;
Fig. 8 is a schematic structural view of a buffer release cylinder in a pressing mechanism of a mechanical press according to the present invention.
Legend description:
1. The automatic pressing machine comprises a pressing machine base, a supporting upright post, a fixing support, an automatic pressing mechanism, 401, a hydraulic rod, 402, a pressing plate, 403, a connecting support, 404, a pressing linkage arm, 405, a recovery arm, 406, a limiting slide rail, 407, a driving slide block, 408, a telescopic rod, 409, a buffer spring, 410, a linkage limiting plate, 411, a connecting groove, 412, a main pull rod, 413, a secondary pull rod, 414, a locking block, 415, a rotating rod, 416, a locking screw, 417, a disassembling block, 5, a buffer release cylinder, 6, an upper push rod, 7, a built-in ring, 8, a pressure release hole, 9, a workpiece to be pressed, 10, a limiting hole, 11, a pressure sensor, 12, a pressure testing rod and 13, and a pressure display.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1-8, the present invention provides two technical solutions, specifically including the following embodiments:
The first embodiment is a pressing mechanism of a mechanical press, comprising a press base 1; an automatic material pressing mechanism 4; the automatic pressing mechanism 4 is arranged on the upper surface of the press base, the automatic pressing mechanism 4 is used for linkage triggering limiting and centering on two sides of a workpiece in the pressing process of the workpiece 9 to be pressed, the automatic pressing mechanism 4 comprises a hydraulic rod 401, a pressing plate 402, a connecting bracket 403, a pressing linkage arm 404, a recovery arm 405, a limiting sliding rail 406, a driving sliding block 407, a telescopic rod 408, a buffer spring 409, a linkage limiting plate 410, a connecting slot 411, a main pull rod 412, an auxiliary pull rod 413, a locking block 414 and a disassembling block 417, the lower end of the hydraulic rod 401 is in transmission connection with the pressing plate 402, the connecting slots 411 are respectively arranged on the left side and the right side of the pressing plate 402, the connecting brackets 403 are respectively arranged in the two connecting slots 411, the two connecting brackets 403 are respectively in rotary connection with the pressing plate 402, one ends of the two connecting brackets 403, which are far away from the pressing plate 402, are respectively in rotary connection with the pressing linkage arm 404, one end of the pressing material linkage arm 404 far away from the connecting bracket 403 is rotationally connected with a recovery arm 405, one end of the recovery arm 405 far away from the pressing material linkage arm 404 is rotationally connected with a rotating rod 415, one end of the rotating rod 415 far away from the pressing material linkage arm 404 is fixedly connected with a locking screw 416, the inner side of the locking screw 416 is provided with a locking block 414, the inner side of the locking block 414 is provided with a disassembling block 417, one end of the locking screw 416 penetrates through the locking block 414 and the disassembling block 417, the inner side of the disassembling block 417 is fixedly connected with the outer side of the driving slide block 407, the lower end of the driving slide block 407 is slidingly connected with the upper surface of a limiting slide rail 406, the lower end of the limiting slide rail 406 is fixedly connected with the upper surface of a press base 1, the inner side of the driving slide block 407 is provided with a telescopic rod 408, the fixed end of the telescopic rod 408 is fixedly connected with the driving slide block 407, the free end of the telescopic rod 408 is fixedly connected with a linkage limiting plate 410, the outside cover of telescopic link 408 is equipped with buffer spring 409, and the outside rotation of swage link arm 404 is connected with main pull rod 412, and main pull rod 412 other end rotation is connected with auxiliary pull rod 413, and auxiliary pull rod 413 other end rotation is connected in the recovery arm 405 outside.
When the main working cycle of the press starts and a workpiece needs to be pressed, the hydraulic system supplies oil to the hydraulic rod 401, the hydraulic rod 401 moves downwards under the action of pressure, the pressing plate 402 connected with the lower end of the hydraulic rod 401 in a transmission way moves downwards along with the hydraulic rod 401 and gradually contacts and presses the workpiece, the connecting slots 411 on two sides of the pressing plate 402 move downwards along with the pressing plate 402, the connecting brackets 403 connected with the pressing plate are driven to swing outwards by the connecting brackets 403, the outward swing motion of the connecting brackets 403 drives the pressing linkage arms 404 to swing outwards, the outward rotation of the pressing linkage arms 404 drives the recovery arms 405 to swing outwards, the swing of the recovery arms 405 transmits force to the inner disassembling blocks 417 through the rotating rods 415 and the locking screws 416 at the tail ends of the recovery arms 405, the disassembling blocks 417 are fixed on the outer sides of the driving sliding blocks 407, so that the driving sliding blocks 407 are pushed to slide inwards along the limiting sliding rails 406, the inner moving of the driving sliding blocks 407 drive the telescopic rods 408 fixedly connected with the driving blocks to move together, meanwhile, the linkage limiting plate 410 is pushed to move inwards, when the driving sliding block 407 moves to a specific position, the linkage limiting plate 410 contacts one side of a workpiece, at the moment, the buffer spring 409 at the outer side of the telescopic rod 408 plays a role of buffering and limiting, so as to prevent impact and accurately positioning, meanwhile, the linkage system formed by the main pull rod 412 and the auxiliary pull rod 413 can assist to adjust the postures of the recovery arm 405 and the linkage arm according to the geometric relationship in the pressing process of the pressing plate 402, so as to ensure that the workpiece is stably pushed to the central position and limit the lateral movement of the workpiece in the whole process, and the linkage mechanism also keeps a locking state in the pressing state holding period, so as to ensure the workpiece position to be stable, when the unloading is required, the hydraulic system releases the pressure of the hydraulic rod 401, the hydraulic rod 401 is retracted under the action of the self or the reset spring, so as to drive the pressing plate 402 to rise, along with the lifting of the pressing plate 402, the components such as the connecting bracket 403, the pressing linkage arm 404, the recovery arm 405 and the like gradually recover to an initial state under the action of gravity or a reset structure, the driving slide block 407 returns under the action of the telescopic rod 408 and a possible reset spring, the linkage limiting plate 410 leaves the workpiece to complete a working cycle, in this way, the workpiece can be precisely limited at a preset position by utilizing the linkage limiting plate 410 and a precise mechanical linkage structure, and automatic centering is realized.
Embodiment two: on the basis of the first embodiment, four corners of a material pressing plate 402 are provided with limiting holes 10, the middle of each limiting hole 10 is penetrated and provided with a buffer release cylinder 5, the buffer release cylinders 5 are fixedly connected with the material pressing plate 402, the lower parts of the buffer release cylinders 5 are provided with upper ejector rods 6, the lower ends of the upper ejector rods 6 are fixedly connected with the upper surface of a press base 1, the upper ends of the upper ejector rods 6 are penetrated and arranged in the buffer release cylinders 5, the buffer release cylinders 5 are internally provided with built-in rings 7, the inner side surfaces of the built-in rings 7 are provided with a plurality of pressure relief holes 8, the front side of the material pressing plate 402 is fixedly connected with a pressure sensor 11, the lower ends of the pressure sensor 11 are provided with pressure test rods 12, the lower ends of the pressure test rods 12 are fixedly connected with the upper surface of the press base 1, the upper surface of a fixed support bracket 3 is fixedly connected with a pressure display 13, the pressure display 13 is electrically connected with the pressure sensor 11, four corners of the upper surface of the press base 1 are fixedly connected with support columns 2, the upper end of the supporting upright post 2 is fixedly connected to the lower surface of the fixed bracket 3, the upper surface of the press base 1 is provided with a workpiece 9 to be pressed, the workpiece 9 to be pressed is arranged on the inner sides of two linkage limiting plates 410, when the hydraulic rod 401 drives the pressing plate 402 to move downwards and starts to press the workpiece, the whole pressing plate 402 moves downwards, at the moment, the buffer release cylinders 5 at four corners of the pressing plate 402 also move downwards along with the downward, because the upper ejector rod 6 is fixed on the press base 1, the buffer release cylinders 5 generate relative movement relative to the upper ejector rod 6, the severe rigid impact of the pressing plate 402 when contacting the workpiece or receiving larger impact is avoided, the buffer protection effect is realized, the impact energy possibly generated in the process of contacting the workpiece or pressing the pressing plate 402 is effectively absorbed by utilizing the relative movement between the inner structure and the upper ejector rod 6, this can protect accurate work piece surface not only from the damage, can also reduce the impact load to pressure flitch 402 itself and other parts of press, prolonged the life of equipment, in the in-process that pressure flitch 402 compresses tightly the work piece downwards, the reaction force that pressure sensor 11 front end's pressure test rod 12 can be felt and come from pressure flitch 402 through the work piece transmission, this force's size change is measured by pressure sensor 11 accuracy, and turn into the signal transmission and give pressure display 13, the operating personnel can know the compressive force size of work piece to current pressure flitch 402 in real time through observing the numerical value on the pressure display 13, when pressure flitch 402 reaches preset compressing position and pressure, linkage stop gear has firmly spacing and centered the work piece, pressure sensor 11 shows stable pressure value, the pressure material process is accomplished this moment, the press can carry out subsequent punching press or processing procedure.
The foregoing description of the preferred embodiments of the application is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the application.
Claims (9)
1. A pressing mechanism of a mechanical press is characterized by comprising:
a press base (1);
The automatic pressing mechanism (4) is arranged on the upper surface of the press base, the automatic pressing mechanism (4) is used for triggering limiting and centering on two sides of a workpiece in a linkage manner in the pressing process of the workpiece (9) to be pressed, and the automatic pressing mechanism (4) comprises a hydraulic rod (401), a pressing plate (402), a connecting support (403), a pressing linkage arm (404), a recovery arm (405), a limiting slide rail (406), a driving slide block (407), a telescopic rod (408), a buffer spring (409), a linkage limiting plate (410), a connecting groove (411), a main pull rod (412), an auxiliary pull rod (413), a locking block (414) and a disassembling block (417).
2. The pressing mechanism of the mechanical press of claim 1, wherein the lower end of the hydraulic rod (401) is in transmission connection with a pressing plate (402), connecting grooves (411) are formed in the left side and the right side of the pressing plate (402), connecting brackets (403) are arranged in the connecting grooves (411), the two connecting brackets (403) are in rotary connection with the pressing plate (402), one ends, far away from the pressing plate (402), of the two connecting brackets (403) are in rotary connection with a pressing linkage arm (404), one ends, far away from the connecting brackets (403), of the pressing linkage arm (404) are in rotary connection with a recovery arm (405), and one ends, far away from the pressing linkage arm (404), of the recovery arm (405) are in rotary connection with a rotary rod (415).
3. The pressing mechanism of the mechanical press of claim 2, wherein one end of the rotating rod (415) far away from the pressing linkage arm (404) is fixedly connected with a locking screw (416), a locking block (414) is arranged on the inner side of the locking screw (416), a disassembling block (417) is arranged on the inner side of the locking block (414), one end of the locking screw (416) penetrates through the locking block (414) and the disassembling block (417), and the inner side of the disassembling block (417) is fixedly connected on the outer side of the driving sliding block (407).
4. The pressing mechanism of the mechanical press of claim 3, wherein the lower end of the driving slide block (407) is slidably connected to the upper surface of the limiting slide rail (406), the lower end of the limiting slide rail (406) is fixedly connected to the upper surface of the press base (1), a telescopic rod (408) is arranged on the inner side of the driving slide block (407), the fixed end of the telescopic rod (408) is fixedly connected with the driving slide block (407), the free end of the telescopic rod (408) is fixedly connected with a linkage limiting plate (410), and a buffer spring (409) is sleeved on the outer side of the telescopic rod (408).
5. The pressing mechanism of the mechanical press of claim 1, wherein limiting holes (10) are formed in four corners of the pressing plate (402), a buffer release cylinder (5) is arranged in the middle of each limiting hole (10) in a penetrating mode, the buffer release cylinder (5) is fixedly connected with the pressing plate (402), an upper ejector rod (6) is arranged below the buffer release cylinder (5), the lower end of the upper ejector rod (6) is fixedly connected to the upper surface of the press base (1), and the upper end of the upper ejector rod (6) is arranged in the buffer release cylinder (5) in a penetrating mode.
6. The pressing mechanism of the mechanical press according to claim 5, wherein a built-in ring (7) is arranged inside the buffer release cylinder (5), and a plurality of pressure relief holes (8) are formed in the inner side surface of the built-in ring (7).
7. The mechanical press material pressing mechanism of claim 1, wherein a pressure sensor (11) is fixedly connected to the front side of the material pressing plate (402), a pressure testing rod (12) is arranged at the lower end of the pressure sensor (11), the lower end of the pressure testing rod (12) is fixedly connected to the upper surface of a press base (1), supporting columns (2) are fixedly connected to four corners of the upper surface of the press base (1), the upper end of each supporting column (2) is fixedly connected to the lower surface of a fixing support (3), a pressure display (13) is fixedly connected to the upper surface of the fixing support (3), and the pressure display (13) is electrically connected with the pressure sensor (11).
8. The pressing mechanism of the mechanical press of claim 1, wherein the upper surface of the press base (1) is provided with a workpiece (9) to be pressed, and the workpiece (9) to be pressed is arranged on the inner sides of the two linkage limiting plates (410).
9. The pressing mechanism of the mechanical press of claim 1, wherein a main pull rod (412) is rotatably connected to the outer side of the pressing linkage arm (404), an auxiliary pull rod (413) is rotatably connected to the other end of the main pull rod (412), and the other end of the auxiliary pull rod (413) is rotatably connected to the outer side of the recovery arm (405).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202511222889.2A CN120734212B (en) | 2025-08-29 | 2025-08-29 | A mechanical press pressing mechanism |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202511222889.2A CN120734212B (en) | 2025-08-29 | 2025-08-29 | A mechanical press pressing mechanism |
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| CN120734212A true CN120734212A (en) | 2025-10-03 |
| CN120734212B CN120734212B (en) | 2025-12-16 |
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| CN217617356U (en) * | 2022-05-30 | 2022-10-21 | 青岛鑫牛锻压机械有限公司 | Trimming and punching limiting device of electric screw press |
| CN115815433A (en) * | 2022-08-29 | 2023-03-21 | 湖南珑宝电机有限公司 | Riveting device is used in processing of motor shaft snap ring |
| CN220547507U (en) * | 2023-08-02 | 2024-03-01 | 鑫雷德(山东)数控科技有限公司 | Stamping lathe for machining |
| CN117960877A (en) * | 2024-02-28 | 2024-05-03 | 沧州庆昭五金制品有限公司 | A high-precision hydraulic press for processing automotive hardware parts |
| CN120306464A (en) * | 2025-05-09 | 2025-07-15 | 徐州松铃机车有限公司 | Parts stamping equipment and method of using the same |
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| Publication number | Publication date |
|---|---|
| CN120734212B (en) | 2025-12-16 |
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