CN112893741A - Universal forging quick-change die carrier for main and auxiliary structures - Google Patents
Universal forging quick-change die carrier for main and auxiliary structures Download PDFInfo
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- CN112893741A CN112893741A CN201911131858.0A CN201911131858A CN112893741A CN 112893741 A CN112893741 A CN 112893741A CN 201911131858 A CN201911131858 A CN 201911131858A CN 112893741 A CN112893741 A CN 112893741A
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- die
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- mould frame
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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
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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
Abstract
The invention relates to the technical field of forging, in particular to a universal type main and auxiliary structure forging quick-change die set, which comprises: the die carrier main body assembly is divided into an upper die carrier and a lower die carrier, and the upper die carrier and the lower die carrier are both in a main die carrier structure and an auxiliary die carrier structure; the clamping jacking system assembly comprises a plurality of upper clamping cylinders, a plurality of lower clamping cylinders and a plurality of jacking cylinders, wherein the upper clamping cylinders are installed in an upper main die frame; the positioning system component comprises a round positioning key and a square-round positioning key which are arranged in the main die frame; the ejection system assembly comprises a plurality of first ejection plates, a plurality of first ejector rods, a plurality of springs and a plurality of second ejection plates, wherein the first ejection plates, the first ejector rods, the springs and the second ejection plates are arranged in the main die frame; and the guide system assembly comprises an upper guide column installed in the upper main die frame and a lower guide column installed in the lower main die frame. The universal quick-change die frame can realize quick change and quick production change of a forging die, is suitable for expansion with heat and contraction with cold in hot forging production, has universality and can be suitable for forging production of various products.
Description
Technical Field
The invention relates to the technical field of forging, in particular to a universal quick die change frame with a main structure and an auxiliary structure.
Background
The speed of die change determines the rate of changeover in forging production and ultimately the production efficiency of the forging line. The traditional die changing mode is that the whole die set is pulled out, a new die is manually changed, the die set is pushed into a press machine to be manually locked, the process is complicated, manual clamping is needed, the die change basically needs two hours, die baking is needed after the die is changed, the total die changing time usually needs 6-8 hours, the die changing mode increases labor intensity, and the production efficiency is reduced.
Due to the limitations of a clamping mode, an ejection structure and the like of a mold, a traditional mold frame structure is only used for specific products and does not have product universality, and a new mold frame is required to be designed and manufactured for producing new products, so that the investment cost of the mold frame is increased.
In addition, due to the characteristic that forging production is hot processing, the thermal expansion amount of the upper die base and the lower die base is different due to heat conduction in the production process, and therefore positioning and guiding interference is generated.
Disclosure of Invention
The invention aims to solve the technical problem of providing a universal quick-change die carrier for forging production, which can realize quick die change and quick production change, is suitable for expansion with heat and contraction with cold in hot forging production, has universality, can be suitable for forging production of various products, and is particularly suitable for production of small-batch and various products.
In order to solve the technical problems, the technical scheme adopted by the invention is as follows:
the utility model provides a quick change die carrier is forged to general type major-minor structure which characterized in that includes:
the die set main body component is divided into an upper die set part and a lower die set part, the upper die set part and the lower die set part are both of a main die set structure and an auxiliary die set structure, the upper die set part comprises an upper main die set and an upper auxiliary die set, the lower die set part comprises a lower main die set and a lower auxiliary die set, and dies are respectively arranged in the upper auxiliary die set and the lower auxiliary die set and are used for forging and forming a forge piece;
a clamping jacking system assembly comprising a plurality of upper clamping cylinders mounted in the upper master mould frame, a plurality of lower clamping cylinders mounted in the lower master mould frame, and a plurality of jacking cylinders mounted on the lower master mould frame, wherein the upper clamping cylinders are used for releasably clamping the upper sub-mould frame to the upper master mould frame, the lower clamping cylinders are used for releasably clamping the lower sub-mould frame to the lower master mould frame, and the jacking cylinders are used for jacking the lower sub-mould frame to a certain height;
the positioning system component comprises a round positioning key and a square positioning key which are respectively arranged in the upper main mould frame and the lower main mould frame and is used for providing a positioning function when the upper auxiliary mould frame and the lower auxiliary mould frame are arranged on the upper main mould frame and the lower main mould frame;
the ejection system component comprises a plurality of first upper ejection plates, a plurality of first upper ejector rods, a plurality of springs and a plurality of second upper ejection plates, wherein the first upper ejection plates, the first upper ejector rods, the springs and the second upper ejection plates are arranged in the upper main die frame and used for ejecting the forge piece;
and the guide system component comprises an upper guide column arranged in the upper main die frame and a lower guide column arranged in the lower main die frame, and is used for providing a guide function for the forged upper die and the forged lower die.
In the universal type main-auxiliary structure forging quick-change die set, the upper main die set is installed on an upper sliding block of a press machine, and the lower main die set is installed on a workbench of the press machine; after the upper and lower auxiliary die frames provided with the dies are pushed into the press machine, the upper die frame and the upper main die frame are fixed together by driving the upper sliding block to descend and pressurizing through the upper clamping cylinder and the lower clamping cylinder; when the mould is replaced, the upper clamping cylinder and the lower clamping cylinder are released to separate the upper auxiliary mould frame and the lower auxiliary mould frame from the upper main mould frame and the lower main mould frame respectively, and the upper sliding block drives the upper main mould frame to ascend and the buckled upper auxiliary mould frame and lower auxiliary mould frame are jacked up to a certain height through the jacking cylinder, so that the buckled upper auxiliary mould frame and lower auxiliary mould frame can be pulled out of the press machine to replace the mould.
In the universal type main and auxiliary structure forging quick-change die set, the clamping cylinder of the clamping jacking system assembly is a transposition pull-down oil cylinder, and an oil cylinder rod is provided with a T-shaped head capable of rotating 90 degrees.
In the universal type main and auxiliary structure forging quick-change die set, the circular positioning key is cylindrical, one end of the square and circular positioning key is cylindrical, the other end of the square and circular positioning key is square, the cylindrical end is installed on the main die set, and the thermal expansion gap amount is reserved at the two ends of the key groove of the auxiliary die set matched with the square end.
In the universal type main and auxiliary structure forging quick-change die set, the first ejector plate and the second ejector plate of the ejection system assembly are perpendicular to each other in the length extension direction, the first ejector plate covers the ejector rod position of the press machine, and the second ejector plate covers the ejection position of the forge piece.
In the universal forging quick-change die carrier with the main and auxiliary structures, the first ejector plates are arranged in parallel and are not less than two rows, the second ejector plates are arranged according to process requirements, each step of process is arranged in parallel and is not less than two rows, and the first ejector rods are located at the junction of the first ejector plates and the second ejector plates.
In the universal type forging quick-change die carrier with the main and auxiliary structure, the guide surface of the guide column forms an included angle of 45 degrees with the longitudinal central lines of the upper main die carrier and the lower main die carrier.
In the universal type main and auxiliary structure forging quick-change die set, the upper and lower guide posts and the upper and lower main die sets adopt a split mounting mode, and the upper and lower guide posts are separated when the press slide block returns to the upper position.
The technical scheme of the invention has the following advantages:
1. the invention provides a universal type main and auxiliary structure forging quick-change die set, which comprises: the die set main body assembly is used for forging and forming a forge piece, the die set main body is divided into an upper die set and a lower die set, the upper die set and the lower die set are of a main die set structure and an auxiliary die set structure, the upper die set comprises an upper main die set and an upper auxiliary die set, and the lower die set comprises a lower main die set and a lower auxiliary die set; the clamping and jacking system assembly comprises a plurality of upper clamping cylinders installed in an upper main die frame, a plurality of lower clamping cylinders installed in a lower main die frame and a plurality of jacking cylinders, wherein the upper clamping cylinders are used for installing an upper auxiliary die frame on the upper main die frame, the lower clamping cylinders are used for installing a lower auxiliary die frame on the lower main die frame, and the jacking cylinders are used for jacking the auxiliary die frame to a certain height. The structural design of the main and auxiliary die frames only needs to replace the auxiliary die frame when changing the die, thereby avoiding the high die frame cost required by the traditional mode of replacing the whole die frame and reducing the investment of the die frame; and the auxiliary die frame is arranged on the main die frame through the clamping cylinder, so that the rapid clamping of the die frame can be realized, and the die changing time is reduced.
2. The universal type main and auxiliary structure forging quick-change die set provided by the invention is characterized in that a clamping cylinder of the clamping jacking system assembly is a transposition pull-down oil cylinder, and an oil cylinder rod is provided with a T-shaped head capable of rotating 90 degrees. When the die is replaced, the upper clamping cylinder and the lower clamping cylinder release pressure, the T-shaped head of the oil cylinder rod is loosened and rotated by 90 degrees, the upper auxiliary die frame falls onto the lower auxiliary die frame, the upper auxiliary die frame and the lower auxiliary die frame are jacked to a height exceeding a positioning key arranged on the lower main die frame by the lower jacking cylinders, so that the guide roller of the die changing vehicle can stretch into and support the auxiliary die frame from the lower part of the lower auxiliary die frame, and then the upper auxiliary die frame and the lower auxiliary die frame are pulled out of the press machine, so that rapid die changing is realized. For the positioning mode of the positioning key between the main die frame and the auxiliary die frame, the key has a certain height, so that the auxiliary die frame needs to be pulled out after being jacked up by the lower jacking cylinder.
3. The universal forging quick-change die set for the main and auxiliary structures further comprises a round positioning key and a square and round positioning key which are used for guaranteeing the position relationship between the auxiliary die set and the main die set. In the forging and pressing process, due to the fact that temperature rise is different between the main die frame and the auxiliary die frame, the round keys are used for guaranteeing all-directional positioning accuracy between the main die frame and the auxiliary die frame, and the square round keys have certain gap amount in the length direction on the premise that the positioning accuracy in the width direction is guaranteed, so that the square round keys can adapt to misalignment between the main die frame and the auxiliary die frame caused by expansion with heat and contraction with cold in the length direction, and positioning interference is avoided.
4. The invention provides a universal type main and auxiliary structure forging quick-change die set, which further comprises an ejection system assembly, wherein a first ejection plate and a second ejection plate of the ejection system assembly are perpendicular to each other in the length extension direction, the first ejection plate covers the ejector rod position of a press machine, and the second ejection plate covers the ejection position of a forging piece. The structure can be suitable for the ejection position of the press machine and can meet the ejection requirement of the forging die, so that the structure has flexibility and is suitable for forging production of various press machines and different products, and the applicability and the practicability of the die carrier are improved.
5. The universal forging quick-change die set with the main and auxiliary structure, provided by the invention, comprises two rows of first ejector plates arranged in parallel, four rows of second ejector plates arranged in parallel, and first ejector rods positioned at the junction of the first ejector plates and the second ejector plates. The structure can ensure that the ejector plate does not incline, thereby ensuring that the ejector rods can be ejected simultaneously and ensuring better ejection effect.
6. The universal main-auxiliary structure forging quick-change die set provided by the invention is characterized in that the middle part of the first lower ejection plate is provided with a guide column vertical to the ejection plate, and meanwhile, the corresponding part of the lower main die set is provided with a guide groove. This structure can prevent down the deflection of the first knockout plate in the die carrier to cause first ejector pin to take place to deflect and the jam appears, cause the unable ejecting of forging, or the unable withdrawal of ejecting back ejector pin, thereby influence production.
7. The universal main and auxiliary structure forging quick-change die carrier provided by the invention has the advantages that the guide surface of the guide column and the central line of the die carrier form an included angle of 45 degrees. During forging, the upper die and the lower die are heated differently, so that the expansion and contraction quantities of the upper die base and the lower die base are different, the guide surface of the guide columns of the upper die base and the lower die base can be outwards or inwards staggered along the 45-degree direction by the guide arrangement of the 45-degree included angle, the guide of the die base after the expansion and contraction can be ensured not to interfere, and the guide precision can still be kept.
8. The universal type main and auxiliary structure forging quick-change die set provided by the invention has the advantages that the guide columns and the main die set adopt a split installation mode, and the upper guide columns and the lower guide columns are separated when the slide block of the press returns to the upper position. The split installation mode can reduce the blank size of the die carrier and the investment cost of the die carrier, and the structure is flexible, so that the guide column is easy to replace and maintain if damaged due to long-term use; the design structure that upper and lower guide post declutched when the press slider gets back to the superposition, for the structure of full journey direction, operating space is bigger, more does benefit to and realizes automated operation.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.
Fig. 1 is a front sectional view of a universal forging quick-change die set with a main structure and an auxiliary structure provided by the invention;
FIG. 2 is a left sectional view of the universal forging quick-change die set with the main structure and the auxiliary structure shown in FIG. 1;
fig. 3 is a top view of the lower main and auxiliary die holders of the universal main and auxiliary structure forging quick-change die holder shown in fig. 1.
Fig. 4 is a schematic view showing the operation of the upper and lower clamping cylinders of fig. 1.
FIG. 5 is a schematic view of the thermal expansion of the square circle alignment key of FIG. 1.
Description of reference numerals:
1-mounting a main mould frame; 2-round alignment key; 3-a first upper ejector plate; 4-a first upper ejector rod; 5-a spring; 6-a second upper ejector plate; 7-square and round positioning keys; 8-upper clamping cylinder; 9-mounting an auxiliary die frame; 10-lower auxiliary die carrier; 11-lower main die carrier; 12-lower clamping cylinder; 13-a second lower ejector plate; 14-a first lower ejector rod; 15-a first lower ejector plate; 16-lower knockout cylinder; 17-upper guide posts; 18-lower guide post; 19-a mould assembly; 20-push rod of press
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Furthermore, the technical features mentioned in the different embodiments of the invention described below can be combined with each other as long as they do not conflict with each other.
As shown in fig. 1 to 3, the present invention is a specific embodiment of a universal forging quick-change die holder with primary and secondary structures. The quick-change die set comprises a die set main body assembly, a clamping jacking system assembly, a positioning system assembly, an ejection system assembly and a guiding system assembly.
In this embodiment, the mold frame main body assembly includes: the upper main mold frame 1, the upper sub mold frame 9, the lower main mold frame 11, the lower sub mold frame 10, and the mold 19 are to be installed in the upper sub mold frame 9 and the lower sub mold frame 10, respectively.
In this embodiment, the clamp jack system assembly includes a plurality of upper clamp cylinders 8, a plurality of lower clamp cylinders 12 and a plurality of lower jack cylinders 16. In which a plurality of upper clamping cylinders 8 are bolted to an upper master frame 1, a plurality of lower clamping cylinders 12 are bolted to a lower master frame 11, and a plurality of lower knockout cylinders 16 are also bolted to the lower master frame 11.
Further, the upper clamping cylinder 8 and the lower clamping cylinder 12 are indexing pull-down cylinders, the cylinder rod is provided with a T-shaped head capable of rotating 90 degrees, and fig. 4 is a schematic action diagram of the indexing pull-down cylinder.
In this embodiment, the positioning system assembly includes a round positioning key 2 and a square positioning key 7 for positioning the sub-mold when mounted on the main mold. Wherein, the upper main mould frame 1 and the lower main mould frame 11 are respectively provided with a set of round positioning key 2 and a set of square and round positioning key 7 through screws.
Further, the circle positioning key 2 is cylindrical, one end of the square and circle positioning key 7 is cylindrical, the other end is square, the cylindrical end is installed on the main die frame 1, 11, and the clearance amount of thermal expansion is left at the two ends of the key groove of the auxiliary die frame 9, 10 matched with the square end, as shown in fig. 5.
In this embodiment, the ejection system component includes a plurality of first upper ejection plates 3, a plurality of first upper ejector rods 4, a plurality of springs 5, and a plurality of second upper ejection plates 6 installed in the upper main mold frame 1, where the springs 5 are used to return the upper ejection system component after ejection, and since the ejection system in the lower mold base can be returned under the action of its own weight, the lower mold base is not provided with springs. The first upper ejector rod 4 is connected with the second upper ejector plate 6 through welding or threads; and the structure further comprises a plurality of first lower ejector plates 15, a plurality of first lower ejector rods 14 and a plurality of second lower ejector plates 13 which are arranged in the lower main die frame 11, wherein the first lower ejector rods 14 and the second lower ejector plates 13 are connected through welding or threads.
Further, the spring 5 in the upper main jig 1 is a helical compression spring.
Further, the first ejector plate 3, 15 and the second ejector plate 6, 13 of the ejection system assembly are perpendicular to each other in the length extension direction, wherein the first ejector plate 3, 15 covers the position of a ram (20) of the press, the second ejector plate 6, 13 covers the position of ejection of the forged piece, and the first ejector rod 4, 14 is located at the junction of the first ejector plate 3, 15 and the second ejector plate 6, 13. When the forge piece is ejected, the ejector rods of the press machine eject the first ejection plates 3 and 15, the first ejector rods 4 and 14 push the second ejection plates 6 and 13, and the second ejection plates push the ejector rods arranged in the die, so that the ejection of the forge piece is realized.
Further, the first ejector plates 3, 15 are arranged in two or more parallel rows depending on the number of press rams, but must be larger than two rows in order to maintain ejection balance.
Further, the number of the second ejector plates 6 and 13 is set according to different forging processes, because different forgings are different in forging process, some forgings only need to be formed once, some forgings need to be formed for multiple times, one set of forming die is needed for forming each time, in order to keep ejection balance, two rows of second ejector plates need to be arranged on each set of die, namely if only one forming is needed, the second ejector plates 6 and 13 are arranged in parallel in two rows, if two forming processes are needed, the second ejector plates 6 and 13 are arranged in parallel in four rows, and the like as shown in fig. 3.
In this embodiment, the guide surfaces of the guide posts 17 and 18 form an angle of 45 ° with the longitudinal center lines of the upper and lower master frames, and the guide posts and the master frames adopt a split installation mode in which the upper guide post 17 is installed on the upper master frame 1 and the lower guide post 18 is installed on the lower master frame 11.
In the mold mounting method of this embodiment, the clamping and ejecting system component, the positioning system component, the ejecting system component, and the guiding system component are sequentially mounted on the upper master frame 1 and the lower master frame 11, respectively, and then the upper master frame 1 is mounted on the upper slide of the press machine, and the lower master frame 11 is mounted on the table of the press machine. Next, the forging dies are respectively clamped on the upper auxiliary die frame 9 and the lower auxiliary die frame 10, the upper auxiliary die frame 9 provided with the dies is turned 180 degrees and buckled with the lower auxiliary die frame provided with the dies, the buckled upper and lower auxiliary die frames are pushed into the press machine, the corresponding key grooves of the lower auxiliary die frame 10 are aligned with the positioning keys 2 and 7 arranged on the lower main die frame 11, the lower auxiliary die frame 10 falls on the lower main die frame 11, and the positioning keys 2 and 7 on the lower main die frame 11 enter the key grooves of the lower auxiliary die frame 10. Then the upper slide block drives the upper main die frame 1 to descend, the positioning keys 2 and 7 arranged on the upper main die frame 1 enter corresponding key grooves of the upper auxiliary die frame 9, the upper auxiliary die frame 9 is enabled to be in complete contact with the upper main die frame 1, and then after oil cylinder rods of clamping cylinders 8 and 12 in the upper main die frame and the lower main die frame rotate 90 degrees, the oil cylinder rods pull downwards to respectively fasten the upper auxiliary die frame 9 with the upper main die frame 1, the lower auxiliary die frame 10 and the lower main die frame 11 together.
In this embodiment, when the mold is replaced, the upper slide block is lowered to contact the upper and lower sub-mold frames 9, 10, then the upper and lower clamping cylinders release pressure, the T-shaped head of the oil cylinder rod is loosened and rotated by 90 degrees, so that the upper and lower sub-mold frames 9, 10 are separated from the upper and lower main mold frames 1, 11, respectively, and the upper slide block drives the upper main mold frame 1 to be lifted to the top dead center, then the upper and lower sub-mold frames are jacked up to the height exceeding the positioning keys 2, 7 of the lower main mold frame 11 by the plurality of lower jacking cylinders 16, and then the upper and lower sub-mold frames 1, 11 which are fastened together can be pulled out of the press machine, thereby realizing rapid mold replacement.
Claims (8)
1. The utility model provides a quick change die carrier is forged to general type major-minor structure which characterized in that includes:
the die set comprises a die set main body assembly, wherein the die set main body is divided into an upper die set part and a lower die set part, the upper die set part and the lower die set part are both of main and auxiliary die set structures, the upper die set part comprises an upper main die set (1) and an upper auxiliary die set (9), the lower die set part comprises a lower main die set (11) and a lower auxiliary die set (10), and dies are respectively arranged in the upper auxiliary die set (9) and the lower auxiliary die set (10) and are used for forging and forming a forge piece;
a clamping and jacking system assembly comprising a plurality of upper clamping cylinders (8) mounted in the upper master mould frame (1), a plurality of lower clamping cylinders (12) mounted in the lower master mould frame (11), and a plurality of jacking cylinders (16) mounted on the lower master mould frame, wherein the upper clamping cylinders (8) are used for releasably clamping the upper sub-mould frame (9) to the upper master mould frame (1), the lower clamping cylinders (12) are used for releasably clamping the lower sub-mould frame (10) to the lower master mould frame (11), and the jacking cylinders (16) are used for jacking the lower sub-mould frame to a certain height;
the positioning system component comprises a round positioning key (2) and a square and round positioning key (7) which are respectively arranged in the upper main mould frame (1) and the lower main mould frame (11) and are used for providing a positioning function when the upper auxiliary mould frame (9) and the lower auxiliary mould frame (10) are arranged in the upper main mould frame (1) and the lower main mould frame (11);
the ejection system component comprises a plurality of first upper ejection plates (3), a plurality of first upper ejector rods (4), a plurality of springs (5) and a plurality of second upper ejection plates (6), wherein the first upper ejection plates (3), the first upper ejector rods (4), the springs (5) and the second upper ejection plates (6) are installed in an upper main die frame (1) and used for ejecting a forge piece, the springs (5) are used for enabling the upper ejection system component to return after ejection, and the first lower ejection plates (15), the first lower ejector rods (14) and the second lower ejection plates (13) are installed in a lower main die frame (11) and used for ejecting the forge piece;
and the guiding system component comprises an upper guiding column (17) installed in the upper main die frame (1) and a lower guiding column (18) installed in the lower main die frame (11), and is used for providing a guiding function for the forged upper die and the forged lower die.
2. The universal forging quick-change die carrier for the main and auxiliary structures as claimed in claim 1, wherein the upper main die carrier (1) is mounted on an upper slide block of a press, and the lower main die carrier (11) is mounted on a workbench of the press; after the upper and lower auxiliary die frames provided with the dies are pushed into the press machine, the upper die frame and the upper main die frame are driven to descend by the upper sliding block and pressurized by the upper clamping cylinder and the lower clamping cylinder, and the upper auxiliary die frame and the upper main die frame as well as the lower auxiliary die frame and the lower main die frame are fastened together; when the mould is replaced, the upper clamping cylinder and the lower clamping cylinder are released to separate the upper auxiliary mould frame and the lower auxiliary mould frame from the upper main mould frame and the lower main mould frame respectively, and the upper sliding block drives the upper main mould frame to ascend and the buckled upper auxiliary mould frame and lower auxiliary mould frame are jacked up to a certain height through the jacking cylinder, so that the buckled upper auxiliary mould frame and lower auxiliary mould frame can be pulled out of the press machine to replace the mould.
3. The universal forging quick-change die holder for the main and auxiliary structures as claimed in claim 1, wherein the clamping cylinders (8, 12) for clamping and jacking the system components are indexing pull-down oil cylinders, and oil cylinder rods are provided with T-shaped heads capable of rotating 90 degrees.
4. The universal forging quick-change die set for the main and auxiliary structures as claimed in claim 1, wherein the round positioning key (2) is cylindrical, one end of the square and round positioning key (7) is cylindrical, the other end of the square and round positioning key is square, the cylindrical end is mounted on the main die set (1, 11), and the two ends of the key groove of the auxiliary die set (9, 10) matched with the square end are provided with clearance for thermal expansion.
5. The universal forging quick-change die holder for the main and auxiliary structures as claimed in claim 1, wherein the first ejector plates (3, 15) and the second ejector plates (6, 13) of the ejector system assembly are perpendicular to each other in the length extension direction, the first ejector plates (3, 15) cover the ejector rod (20) position of the press, and the second ejector plates (6, 13) cover the forging ejection position.
6. The universal forging quick-change die holder for the main and auxiliary structures as claimed in claim 5, wherein the first ejector plates (3, 15) are arranged in parallel in at least two rows, the second ejector plates (6, 13) are arranged according to process requirements, each step is arranged in parallel in at least two rows, and the first ejector rods (4, 14) are located at the junctions of the first ejector plates (3, 15) and the second ejector plates (6, 13).
7. The universal forging quick-change die carrier for the main and auxiliary structures as claimed in claim 1, wherein the guide surfaces of the guide posts form an included angle of 45 degrees with the longitudinal center lines of the upper main die carrier (1) and the lower main die carrier (11).
8. The universal forging quick-change die set for the main and auxiliary structures as claimed in claim 1, wherein the upper and lower guide posts (17, 18) and the upper and lower main die sets (1, 11) adopt a split mounting mode, and the upper and lower guide posts are disengaged when the press slide returns to the upper position.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911131858.0A CN112893741A (en) | 2019-11-19 | 2019-11-19 | Universal forging quick-change die carrier for main and auxiliary structures |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911131858.0A CN112893741A (en) | 2019-11-19 | 2019-11-19 | Universal forging quick-change die carrier for main and auxiliary structures |
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| CN112893741A true CN112893741A (en) | 2021-06-04 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201911131858.0A Pending CN112893741A (en) | 2019-11-19 | 2019-11-19 | Universal forging quick-change die carrier for main and auxiliary structures |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117000939A (en) * | 2023-09-01 | 2023-11-07 | 江苏锋拓精锻科技有限公司 | Arc blank forging die |
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2019
- 2019-11-19 CN CN201911131858.0A patent/CN112893741A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117000939A (en) * | 2023-09-01 | 2023-11-07 | 江苏锋拓精锻科技有限公司 | Arc blank forging die |
| CN117000939B (en) * | 2023-09-01 | 2023-12-22 | 江苏锋拓精锻科技有限公司 | Arc blank forging die |
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