CN111069513A - Quick die changing device and method for forging press - Google Patents
Quick die changing device and method for forging press Download PDFInfo
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- CN111069513A CN111069513A CN201911422469.3A CN201911422469A CN111069513A CN 111069513 A CN111069513 A CN 111069513A CN 201911422469 A CN201911422469 A CN 201911422469A CN 111069513 A CN111069513 A CN 111069513A
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- movable
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- rail
- workbench
- forging press
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
- B21J13/00—Details of machines for forging, pressing, or hammering
- B21J13/02—Dies or mountings therefor
- B21J13/03—Die mountings
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
- B21J13/00—Details of machines for forging, pressing, or hammering
- B21J13/04—Frames; Guides
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Forging (AREA)
Abstract
The invention relates to a forging press, in particular to a quick die changing device and a die changing method of the forging press. The hydraulic forging press comprises a forging press, wherein a worktable is arranged on a semicircular beam at the lower part of the forging press, an upper padding plate is arranged on the worktable, a first hydraulic cylinder is arranged between the upper padding plate and the worktable, longitudinal guide grooves are formed in two sides of the upper part of the upper padding plate, a first guide strip is arranged in each guide groove, and a movable worktable is arranged on the upper padding plate; two outer sides of the upper backing plate are respectively provided with a push-pull mechanism, the push-pull mechanism comprises a movable rail which is longitudinally arranged, two ends of the movable rail are arranged on the transverse guide rail, the upper part of the movable rail is provided with a plurality of transverse rollers, and two ends of the movable rail are driven by a second oil cylinder; two parallel fixed rails are arranged outside the front end of the upper padding plate, the fixed rails correspond to the movable rails in working positions, the fixed rails are mounted on the rail support, and a plurality of transverse rollers are arranged on the fixed rails. The problem of large-scale mould change the difficulty on the mobile workbench is solved.
Description
Technical Field
The invention relates to a forging press, in particular to a quick die changing device and a die changing method of the forging press.
Background
The large forging equipment uses liquid as a working medium and utilizes different dies to forge and form under hydrostatic pressure. The forging press mainly comprises a frame, a hydraulic cylinder, a movable cross beam, a movable workbench and the like. Wherein, the lower mould is installed on the movable worktable, the upper mould is installed on the movable cross beam, and the hydraulic cylinder pushes the movable cross beam to be formed by die assembly and forging of the upper and lower moulds.
The forging press utilizes different moulds to forge products, and has the problems of low efficiency, complex operation and the like for the replacement of the moulds. Particularly, because of the special structure and large volume of the die used when forging some special components, the die is difficult to avoid collision in the process of replacing the die, so that equipment is in failure and damaged, and the safety and stability of the equipment are severely limited.
Disclosure of Invention
The invention aims to solve the technical problems and provides a quick die changing device of a forging press, which improves the die changing efficiency of the forging press.
The technical scheme adopted by the invention for solving the technical problems is as follows:
a quick die change device of a forging press comprises the forging press, wherein a worktable is arranged on a semicircular beam at the lower part of the forging press, an upper base plate is arranged on the worktable, a first hydraulic cylinder is arranged between the upper base plate and the worktable, longitudinal guide grooves are arranged on two sides of the upper part of the upper base plate, first guide strips are arranged in the guide grooves, and a movable worktable is arranged on the upper base plate; two outer sides of the upper backing plate are respectively provided with a push-pull mechanism, the push-pull mechanism comprises a movable rail which is longitudinally arranged, two ends of the movable rail are arranged on the transverse guide rail, the upper part of the movable rail is provided with a plurality of transverse rollers, and two ends of the movable rail are driven by a second oil cylinder; two parallel fixed rails are arranged outside the front end of the upper padding plate, the fixed rails correspond to the movable rails in working positions, the fixed rails are mounted on the rail support, and a plurality of transverse rollers are arranged on the fixed rails.
Compared with the prior art, the invention adopting the technical scheme has the beneficial effects that:
the problem of large-scale mould change the difficulty on the mobile workbench is solved, the retooling device operation is stable, safe and reliable, and economic reasonable, greatly reduced retooling device's fault rate and loaded down with trivial details maintenance work.
Further, the optimization scheme of the invention is as follows:
the first hydraulic cylinders are embedded in the cylinder holes of the upper base plate, the first hydraulic cylinders are respectively arranged at four corners of the upper base plate, and the cylinder bodies of the first hydraulic cylinders are fixedly connected with the workbench; the upper padding plate is provided with a plunger piston hole which is concentric with the oil cylinder hole, the plunger piston hole and the oil cylinder hole form a stepped hole, a plunger piston extension block is installed in the plunger piston hole, and the upper end face of the plunger piston extension block is flush with the upper plane of the upper padding plate.
The transverse guide rail comprises a side baffle and an upper baffle, the side baffle is fixedly connected with the workbench, the upper baffle is arranged at the upper part of the side baffle, the upper baffle and the side baffle are in a 7 shape, the movable rail is in a rectangular box structure with an open upper end, the movable rail comprises a bottom plate, a left side plate, a right side plate, a front end plate and a rear end plate, the bottom plate of the movable rail respectively extends out of the front end plate and the rear end plate of the movable rail, and two ends of the bottom plate are arranged below the upper baffle; the upper portions of the left side plate and the right side plate are symmetrically provided with roller shaft grooves, and rollers are installed in the roller shaft grooves.
The fixed track and the movable track are identical in structure, a second guide strip is arranged on a bottom plate on the inner side of the fixed track, the second guide strip of the fixed track corresponds to and is tightly attached to the first guide strip of the upper padding plate, and the height of the upper rim of the roller of the fixed track is equal to that of the upper rim of the roller of the movable track.
A die changing method of a quick die changing device of a forging press comprises the following steps:
A. starting a hydraulic system, and jacking the lower base plate by a first hydraulic cylinder to enable the movable workbench to be lifted and exceed the upper rim of the roller;
B. the second hydraulic cylinder pushes the movable rail to the position, namely the working position, attached to the two sides of the lower cushion plate along the guide rail, the first hydraulic cylinder unloads to enable the movable workbench to fall on the roller of the movable rail, the movable rail and the fixed rail form a complete running rail of the movable workbench at the moment, the movable workbench is pulled out of the lower cushion plate through the traction device, and a mold on the movable workbench is replaced;
C. after the mould of the movable workbench is replaced, the movable workbench is pushed back to the upper part of the upper base plate through the traction device, the movable rail is pulled away from the position attached to the lower base plate along the direction of the guide rail through the second oil cylinder, the movable workbench falls on the lower base plate through unloading of the first hydraulic cylinder, and the mould replacing action of the movable workbench is completed.
Drawings
FIG. 1 is a schematic diagram of the overall structure of an embodiment of the present invention;
FIG. 2 is a schematic view of the connection between the upper plate and the first cylinder according to the embodiment of the present invention;
FIG. 3 is a front view of the push-pull mechanism of the embodiment of the present invention;
FIG. 4 is a top view of FIG. 3;
FIG. 5 is a front view of the fixed track;
in the figure: a lower base plate 1; a cylinder bore 1-1; plunger holes 1-2; 1-3 of a guide groove; a movable rail 2; a bottom plate 2-1; 2-2 of a left side plate; 2-3 of a front end plate; 2-4 of a rear end plate; 2-5 parts of an ear seat; a first cylinder 3; a roller 4; a fixed rail 5; a rail bracket 6; a first guide strip 7; a second cylinder 8; a plunger extension block 9; a side dam 10; an upper baffle plate 11; a second guide strip 12.
Detailed Description
The invention is further described in detail below with reference to the figures and examples.
Referring to fig. 1, the present embodiment is a quick die change device for a forging press, and the quick die change device is composed of a lower backing plate 1, a movable rail 2, a first oil cylinder 3, a roller 4, a fixed rail 5, a rail bracket 6, a first guide strip 7, a second oil cylinder 8, a plunger extension block 9, a rail side baffle 10 and a rail upper baffle 11. The lower part of the forging press is provided with a semicircular beam, and the upper part of the semicircular beam is provided with a workbench.
An upper padding plate 1 is installed on a workbench, four first hydraulic cylinders 3 (shown in figure 2) are installed between the upper padding plate 1 and the workbench, the first hydraulic cylinders 3 are multistage ultrathin jacks, the first hydraulic cylinders 3 are respectively positioned at four corners of the upper padding plate 1, round oil cylinder holes 1-1 are machined at the four corners of the first hydraulic cylinders 3, the first hydraulic cylinders 3 are embedded in the oil cylinder holes 1-1 of the upper padding plate 1, and cylinder bodies of the first hydraulic cylinders 3 are connected with the workbench through bolts. The upper padding plate 1 is provided with a circular plunger piston hole 1-2, the plunger piston hole 1-2 is concentric with the oil cylinder hole 1-1, the plunger piston hole 1-2 is communicated with the oil cylinder hole 1-1, the plunger piston hole 1-2 and the oil cylinder hole 1-1 form a stepped hole, a plunger piston extension block 9 is installed in the plunger piston hole 1-2, the plunger piston extension block 9 is fixedly connected with the upper padding plate 1, and the upper end face of the plunger piston extension block 9 is flush with the upper plane of the upper padding plate 1. Longitudinal guide grooves 1-3 are processed on two sides of the upper portion of the upper backing plate 1, first guide strips 7 are installed in the guide grooves 1-3, and the upper surfaces of the guide strips 7 are higher than the upper surface of the upper backing plate 1. The movable table is placed on the upper portion of the upper mat 1. The upper backing plate 1 is provided with a positioning pin hole and is positioned with a workbench of the semicircular beam at the bottom of the frame through a positioning pin. When the lifting mechanism is used, high-pressure oil is introduced into the first hydraulic cylinder 3, the first hydraulic cylinder 3 returns under the action of the internal spring, and the falling speed is limited by the throttle valve.
Two outer sides of the upper backing plate 1 are respectively provided with a push-pull mechanism (shown in figures 3 and 4), the push-pull mechanism is symmetrical to the longitudinal central line of the upper backing plate 1, and the push-pull mechanism is composed of a movable rail 2, a roller 4, a second oil cylinder 8 and a transverse guide rail. The transverse guide rail is composed of a side baffle 10 and an upper baffle 11, the side baffle 10 and the upper baffle 11 are transversely arranged, the side baffle 10 is fixedly connected with the workbench, the upper baffle 10 is arranged at the upper end of the side baffle 11, the upper baffle 10 is horizontally arranged, and the upper baffle 11 and the side baffle 10 are in a 7 shape. The movable track 2 is a rectangular box structure with an open upper end, the movable track 2 is composed of a bottom plate 2-1, a left side plate 2-2, a right side plate (not shown in the figure), a front end plate 2-3 and a rear end plate 2-4, two ends of the bottom plate 2-1 of the movable track 2 respectively extend out of the front end plate 2-3 and the rear end plate 2-4, and two ends of the bottom plate 2-1 are arranged below the upper baffle plate 11. The upper parts of the two ends of the movable rail 2 are welded with lug seats 2-5, the lug seats 2-5 are hinged with a piston rod of a second oil cylinder 8 through a pin shaft, the second oil cylinder 8 is transversely arranged, and the cylinder body end of the second oil cylinder 8 is hinged with an upright post of the forging press. The movable rail 2 moves transversely along two transverse guide rails under the driving of the second oil cylinder 8. A plurality of roller shaft grooves are symmetrically processed on the upper portions of the left side plate 2-2 and the right side plate 2-3, the rollers 4 are installed in the roller shaft grooves, the rollers 4 and the wheel shafts are integrally formed by processing round steel, and the abrasion resistance is increased by local quenching of the middle tread. The roller 4 is convenient for the moving workbench to move back and forth along the direction of the first guide strip 7 under the support of the roller 4, and the moving workbench can enter and move out of the forging position of the lower base plate 1.
Two parallel fixed rails 5 (shown in fig. 5) are arranged outside the front end of the upper backing plate 1, the fixed rails 5 and the movable rails 2 are the same in structure, the bottom plates of the fixed rails 5 extend inwards, a plurality of transverse rollers 4 are mounted on the upper portions of the fixed rails 5, and the heights of the upper rims of the rollers 4 of the fixed rails 5 and the upper rims of the rollers 4 of the movable rails 2 are equal. The fixed rail 5 corresponds to the movable rail 2 in the working position, the fixed rail 5 is mounted on a rail bracket 6, and the rail bracket 6 is mounted on the foundation by means of embedded anchor bolts. The inner side of the bottom plate of the fixed rail 5 is provided with a longitudinal groove, a second guide strip 12 is arranged in the groove, and the second guide strip 12 is connected with the bottom plate through a bolt. The second guide strip 12 of the fixed rail 5 corresponds to the first guide strip 7 of the upper backing plate 1 and is arranged in a clinging manner, so that seamless butt joint is realized.
A die changing method of a quick die changing device of a forging press comprises the following steps:
A. starting a hydraulic system, and jacking the lower base plate 1 by the first hydraulic cylinder 3 to enable the movable workbench to be lifted and exceed the upper rim of the roller 4;
B. the second hydraulic cylinder 8 pushes the movable rail 2 to the position where the two sides of the lower base plate 1 are attached along the transverse guide rail, namely the working position, the first hydraulic cylinder 3 unloads to drop the movable workbench on the roller 4 of the movable rail 2, at the moment, the movable rail 2 and the fixed rail 5 form a complete running rail of the movable workbench, the movable workbench is pulled out of the lower base plate 1 through a traction device, and a mold on the movable workbench is replaced;
C. after the mould of the movable workbench is replaced, the movable workbench is pushed back to the upper part of the upper base plate 1 through the traction device, the movable rail 2 is pulled away from the position attached to the lower base plate 1 along the direction of the transverse guide rail through the second oil cylinder 8, the movable workbench falls on the lower base plate 1 through unloading of the first hydraulic cylinder 3, and the mould replacing action of the movable workbench is completed.
In the description of the present invention, in the present invention, the term "plurality" means two or more; the terms "mounted," "connected," "fixed," and the like are to be construed broadly and include, for example, fixed connections, detachable connections, or integral connections; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the description of the present specification, the description of the term "one embodiment" or the like means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (5)
1. The utility model provides a quick die change device of forging press, includes the forging press, and the semicircle roof beam of forging press lower part is equipped with workstation, its characterized in that: an upper base plate is arranged on the workbench, a first hydraulic cylinder is arranged between the upper base plate and the workbench, longitudinal guide grooves are formed in two sides of the upper portion of the upper base plate, first guide strips are installed in the guide grooves, and the movable workbench is arranged on the upper base plate; two outer sides of the upper backing plate are respectively provided with a push-pull mechanism, the push-pull mechanism comprises a movable rail which is longitudinally arranged, two ends of the movable rail are arranged on the transverse guide rail, the upper part of the movable rail is provided with a plurality of transverse rollers, and two ends of the movable rail are driven by a second oil cylinder; two parallel fixed rails are arranged outside the front end of the upper padding plate, the fixed rails correspond to the movable rails in working positions, the fixed rails are mounted on the rail support, and a plurality of transverse rollers are arranged on the fixed rails.
2. The forging press rapid die change device of claim 1, wherein: the first hydraulic cylinders are embedded in the cylinder holes of the upper base plate, the first hydraulic cylinders are respectively arranged at four corners of the upper base plate, and the cylinder bodies of the first hydraulic cylinders are fixedly connected with the workbench; the upper padding plate is provided with a plunger piston hole which is concentric with the oil cylinder hole, the plunger piston hole and the oil cylinder hole form a stepped hole, a plunger piston extension block is installed in the plunger piston hole, and the upper end face of the plunger piston extension block is flush with the upper plane of the upper padding plate.
3. The forging press rapid die change device of claim 1, wherein: the transverse guide rail comprises a side baffle and an upper baffle, the side baffle is fixedly connected with the workbench, the upper baffle is arranged at the upper part of the side baffle, the upper baffle and the side baffle are in a 7 shape, the movable rail is in a rectangular box structure with an open upper end, the movable rail comprises a bottom plate, a left side plate, a right side plate, a front end plate and a rear end plate, the bottom plate of the movable rail respectively extends out of the front end plate and the rear end plate of the movable rail, and two ends of the bottom plate are arranged below the upper baffle; the upper portions of the left side plate and the right side plate are symmetrically provided with roller shaft grooves, and rollers are installed in the roller shaft grooves.
4. The forging press rapid die change device of claim 1, wherein: the fixed track and the movable track are identical in structure, a second guide strip is arranged on a bottom plate on the inner side of the fixed track, the second guide strip of the fixed track corresponds to and is tightly attached to the first guide strip of the upper padding plate, and the height of the upper rim of the roller of the fixed track is equal to that of the upper rim of the roller of the movable track.
5. A die changing method of a quick die changing device of a forging press according to any one of claims 1 to 4, comprising the steps of:
A. starting a hydraulic system, and jacking the lower base plate by a first hydraulic cylinder to enable the movable workbench to be lifted and exceed the upper rim of the roller;
B. the second hydraulic cylinder pushes the movable rail to the position, namely the working position, attached to the two sides of the lower cushion plate along the guide rail, the first hydraulic cylinder unloads to enable the movable workbench to fall on the roller of the movable rail, the movable rail and the fixed rail form a complete running rail of the movable workbench at the moment, the movable workbench is pulled out of the lower cushion plate through the traction device, and a mold on the movable workbench is replaced;
C. after the mould of the movable workbench is replaced, the movable workbench is pushed back to the upper part of the upper base plate through the traction device, the movable rail is pulled away from the position attached to the lower base plate along the direction of the guide rail through the second oil cylinder, the movable workbench falls on the lower base plate through unloading of the first hydraulic cylinder, and the mould replacing action of the movable workbench is completed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911422469.3A CN111069513B (en) | 2019-12-31 | 2019-12-31 | Quick die changing device and method for forging press |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911422469.3A CN111069513B (en) | 2019-12-31 | 2019-12-31 | Quick die changing device and method for forging press |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111069513A true CN111069513A (en) | 2020-04-28 |
| CN111069513B CN111069513B (en) | 2021-06-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911422469.3A Active CN111069513B (en) | 2019-12-31 | 2019-12-31 | Quick die changing device and method for forging press |
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| CN (1) | CN111069513B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117463887A (en) * | 2023-12-26 | 2024-01-30 | 成都正西液压设备制造有限公司 | Double-rail free movement forming production line |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU821202A1 (en) * | 1979-04-25 | 1981-04-15 | Волжское Объединение По Производствулегковых Автомобилей | Die-changing device |
| JPH02118619U (en) * | 1989-03-03 | 1990-09-25 | ||
| CN202462925U (en) * | 2011-12-29 | 2012-10-03 | 南通天王液压机有限公司 | Large-tonnage quick mold changing frame device |
| CN203460478U (en) * | 2013-07-02 | 2014-03-05 | 上海松科机械自动化技术有限公司 | Automatic die exchanging system of small pressing machine |
| CN206383549U (en) * | 2016-12-27 | 2017-08-08 | 扬力集团股份有限公司 | A kind of automatic fast mold change mechanism of forcing press |
-
2019
- 2019-12-31 CN CN201911422469.3A patent/CN111069513B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU821202A1 (en) * | 1979-04-25 | 1981-04-15 | Волжское Объединение По Производствулегковых Автомобилей | Die-changing device |
| JPH02118619U (en) * | 1989-03-03 | 1990-09-25 | ||
| CN202462925U (en) * | 2011-12-29 | 2012-10-03 | 南通天王液压机有限公司 | Large-tonnage quick mold changing frame device |
| CN203460478U (en) * | 2013-07-02 | 2014-03-05 | 上海松科机械自动化技术有限公司 | Automatic die exchanging system of small pressing machine |
| CN206383549U (en) * | 2016-12-27 | 2017-08-08 | 扬力集团股份有限公司 | A kind of automatic fast mold change mechanism of forcing press |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117463887A (en) * | 2023-12-26 | 2024-01-30 | 成都正西液压设备制造有限公司 | Double-rail free movement forming production line |
| CN117463887B (en) * | 2023-12-26 | 2024-04-09 | 成都正西液压设备制造有限公司 | Double-rail free movement forming production line |
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| CN111069513B (en) | 2021-06-22 |
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