CN210547772U - Thread pressing die frame - Google Patents
Thread pressing die frame Download PDFInfo
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- CN210547772U CN210547772U CN201920795307.3U CN201920795307U CN210547772U CN 210547772 U CN210547772 U CN 210547772U CN 201920795307 U CN201920795307 U CN 201920795307U CN 210547772 U CN210547772 U CN 210547772U
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Abstract
The utility model discloses a thread pressing die frame, which comprises an upper die frame and a lower die frame, wherein the upper die frame comprises an upper die plate and an upper die inner core, the upper die inner core is provided with a shaft shoulder, and the upper die inner core is fixed on the lower end surface of the upper die plate by the upper die set through the pressing shaft shoulder; the lower die frame comprises a lower die plate and a lower die inner core, the lower die inner core is provided with a shaft shoulder, and the lower die sleeve fixes the lower die inner core on the upper end surface of the lower die plate through the pressing shaft shoulder. Compare with little bolt compression among the prior art, the utility model discloses a big threaded connection can adapt to the strong shock impact that produces when forging better, and non-deformable can avoid the incident because of the not hard up emergence of die carrier bolted connection well.
Description
Technical Field
The utility model belongs to the technical field of the forging die carrier, concretely relates to screw thread compresses tightly die carrier.
Background
The die frame is technological equipment for connecting a slide block and a workbench of a forging press and installing an upper die base and a lower die base of a die cavity module and all parts of the die cavity module.
Traditional die carrier design mainly is bolt pressing, and the problem that this type of design exists is: the forging module is mainly compressed by a small bolt, the forging production force and vibration are large, the small bolt is easy to deform under stress in the production process, destructive operation is performed, and certain potential safety hazards also exist.
Disclosure of Invention
Technical problem to among the prior art, the utility model provides a screw thread compresses tightly die carrier, its aim at avoids the incident because of the bolt deformation leads to.
In order to solve the technical problem, the utility model discloses a following technical scheme solves:
a thread pressing die frame comprises an upper die frame and a lower die frame, wherein the upper die frame comprises an upper die plate and an upper die inner core, the upper die inner core is provided with a shaft shoulder, and an upper die sleeve fixes the upper die inner core on the lower end surface of the upper die plate through the pressing shaft shoulder;
the lower die frame comprises a lower die plate and a lower die inner core, the lower die inner core is provided with a shaft shoulder, and the lower die outer member fixes the lower die inner core on the upper end surface of the lower die plate through the pressing shaft shoulder;
the upper die inner core and the lower die inner core are arranged oppositely.
Furthermore, the upper die kit comprises an upper die sleeve and an upper die fastening ring, the upper die sleeve is connected to the lower end surface of the upper die plate, and the upper die sleeve is in threaded connection with the upper die fastening ring; one end of the upper die inner core penetrates through the upper die fastening ring, and the other end of the upper die inner core is tightly pressed on the lower end surface of the upper die plate by the upper die fastening ring;
the lower die sleeve comprises a lower die sleeve and a lower die fastening ring, the lower die sleeve is connected to the upper end surface of the lower die plate, and the lower die sleeve is in threaded connection with the lower die fastening ring; one end of the lower die inner core penetrates through the lower die fastening ring, and the other end of the lower die inner core is tightly pressed on the upper end face of the lower die plate by the lower die fastening ring.
Furthermore, the upper die kit also comprises an upper die pressing plate, the upper die pressing plate is connected with the upper die plate, the outer wall of the upper die sleeve is provided with a shaft shoulder, and the upper die sleeve is pressed on the upper die plate by the upper die pressing plate;
the lower die set further comprises a lower die pressing plate, the lower die pressing plate is connected with the lower die plate, a shaft shoulder is arranged on the outer wall of the lower die sleeve, and the lower die sleeve is pressed on the lower die plate by the lower die pressing plate.
Further, the upper die kit also comprises an upper die pressing ring, and a shaft shoulder is arranged on the outer wall of the upper die pressing ring; one end of the upper die pressing ring penetrates through the upper die fastening ring, and the other end of the upper die pressing ring is tightly pressed on the lower end surface of the upper die plate by the upper die fastening ring; one end of the upper die inner core penetrates through the upper die pressing ring, and the other end of the upper die inner core is tightly pressed on the lower end surface of the upper die plate by the upper die pressing ring;
the lower die set further comprises a lower die outer ring, a shaft shoulder is arranged on the outer wall of the lower die outer ring, the lower die fastening ring is penetrated through one end of the lower die outer ring, the other end of the lower die outer ring is pressed on the shaft shoulder of the lower die inner core through the lower die fastening ring, and one end of the lower die inner core is arranged in the lower die outer ring.
Furthermore, the one end that goes up the mould clamping ring and be close to the lower mould outer lane is connected with the guide ring, the inner wall of guide ring with the outer wall of lower mould outer lane matches, the one end of going up the mould inner core can stretch into in the lower mould outer lane.
Furthermore, the guide ring and the lower die outer ring are integrally formed, and an annular groove is formed at the joint of the inner wall of the guide ring and the lower die outer ring; when the upper die pressing ring is in contact with the lower die outer ring, the annular groove is not in contact with the lower die outer ring.
Furthermore, the lower die set further comprises a lower die pressing ring, the lower die pressing ring is arranged between the lower die sleeve and the lower die inner core, the other end of the lower die outer ring is pressed on the lower die pressing ring, and the lower die inner core is pressed by the lower die pressing ring.
Furthermore, the upper die frame also comprises an upper die cushion block, and the upper die cushion block is arranged between the upper die plate and the upper die inner core;
the lower die frame also comprises a lower die cushion block, and the lower die cushion block is arranged between the lower die plate and the lower die inner core; the lower die plate, the lower die inner core and the lower die cushion block are all provided with through holes, the axes of the through holes are overlapped, lower die ejector rods are arranged in the through holes, and the lower die ejector rods are used for ejecting machined parts.
Furthermore, a mandril cushion block is arranged in a through hole formed in the lower die cushion block, a through hole is formed in the mandril cushion block, one end of the lower die mandril is arranged on the upper end face of the mandril cushion block, and the other end of the lower die mandril does not extend out of the upper end face of the lower die inner core; one end of the lower die ejector rod is connected with a lower die transition ejector rod, and the lower die transition ejector rod is in threaded connection with the through hole in the lower die plate.
Furthermore, the upper end surface of the upper template is connected to an upper sliding block of the forging table, key grooves are correspondingly formed in the upper end surface of the upper template and the lower end surface of the upper sliding block, and positioning keys are arranged in the key grooves;
the lower end face of the lower template is connected to a lower backing plate of the forging table, key grooves are correspondingly formed in the upper end face of the lower backing plate of the lower end face of the lower template, and positioning keys are arranged in the key grooves.
Compared with the prior art, the utility model discloses following beneficial effect has at least: the utility model relates to a thread pressing die frame, which comprises an upper die frame and a lower die frame, wherein the upper die frame comprises an upper die plate and an upper die inner core, the upper die inner core is provided with a shaft shoulder, and the upper die outer member fixes the upper die inner core on the lower end surface of the upper die plate through the pressing shaft shoulder; the lower die frame comprises a lower die plate and a lower die inner core, the lower die inner core is provided with a shaft shoulder, and the lower die sleeve fixes the lower die inner core on the upper end surface of the lower die plate through the pressing shaft shoulder. Therefore, the utility model discloses a structural design, when last mould inner core/lower mould inner core erection joint, only need utilize last mould external member/lower mould external member to fix the terminal surface at cope match-plate pattern/lower bolster through the mode that compresses tightly the shaft shoulder with last mould inner core/lower mould inner core, simple to operate adopts direct tang to connect between each part, has eliminated the tolerance of indirect connection production and has accumulated. Compare with little bolt compression among the prior art, the utility model discloses a big threaded connection can adapt to the strong shock impact that produces when forging better, and non-deformable can avoid the incident because of the not hard up emergence of die carrier bolted connection well.
Furthermore, an upper die sleeve is connected to the lower end face of the upper die plate and is in threaded connection with the upper die fastening ring; the one end of going up the mould inner core passes the mould tighrening ring, and the other end is compressed tightly at the lower terminal surface of cope match-plate pattern by last mould tighrening ring, and at telescopic inner circle of last mould or outer lane setscrew thread promptly, at the inner circle of last mould tighrening ring or outer lane setscrew thread, when erection joint, only need to go up the mould tighrening ring and twist on the mould sleeve, all the other parts utilize step and shaft shoulder cooperation to compress tightly, simple to operate adopts direct tang to connect between each part, has eliminated the tolerance of indirect connection production and has accumulated. Compared with the small bolt pressing connection in the prior art, the large thread connection of the utility model can better adapt to the strong shock impact generated during forging, is not easy to deform, and can well avoid the safety accident caused by the loose connection of the die carrier bolt;
similarly, the inner ring or the outer ring of the lower die sleeve is provided with threads, the outer ring or the inner ring of the lower die fastening ring is provided with threads, the installation is convenient, the large threaded connection can better adapt to strong shock impact generated during forging, the deformation is not easy, and the safety accident caused by the looseness of the die frame bolt connection can be well avoided.
Furthermore, the upper die kit also comprises an upper die pressing ring, and the outer wall of the upper die pressing ring is provided with a shaft shoulder; one end of the upper die pressing ring penetrates through the upper die fastening ring, and the other end of the upper die pressing ring is tightly pressed on the lower end surface of the upper die plate by the upper die fastening ring; one end of the upper die inner core penetrates through the upper die pressing ring, and the other end of the upper die inner core is tightly pressed on the lower end surface of the upper die plate by the upper die pressing ring; the lower die set further comprises a lower die outer ring, a shaft shoulder is arranged on the outer wall of the lower die outer ring, the lower die fastening ring is penetrated by one end of the lower die outer ring, the other end of the lower die outer ring is pressed on the shaft shoulder of the lower die inner core by the lower die fastening ring, and one end of the lower die inner core is arranged in the lower die outer ring. The advantage of such structural design is, should be for last mould inner core and lower mould inner core be the vulnerable part, through setting up mould clamping ring and lower mould outer lane, can practice thrift the material cost of last mould inner core and lower mould inner core, after last mould inner core and lower mould inner core damage, only need from last mould clamping ring and lower mould outer lane take down go up the mould inner core and change with the lower mould inner core can, the installation is dismantled also very conveniently.
Furthermore, one end of the upper die pressing ring close to the lower die outer ring is connected with a guide ring, the inner wall of the guide ring is matched with the outer wall of the lower die outer ring, and one end of the upper die inner core can extend into the lower die outer ring; additionally, the utility model discloses a mould hasp type direction about this kind of direction adoption general piece compares the direction mode of a plurality of guide pin bushing guide pillar types among the prior art, need adjust the cooperation precision to the guide pin bushing guide pillar when not having the installation, and it is also convenient to install, and the direction precision is higher moreover, the utility model discloses a die carrier uses in the actual production, and the in-service use effect reaches the designing requirement, and the forging more than 90% of present equipment production is the accurate forging of 1 mm.
Further, the guide ring is integrated into one piece with the lower mould outer lane, and processing is convenient, and the ring channel has been seted up to the inner wall of guide ring and the junction of lower mould outer lane, when last clamping ring and lower mould outer lane contact, the ring channel contactless lower mould outer lane, the benefit of design like this is, because the impact force of lower mould is very big when forging, if when last clamping ring and lower mould outer lane contact, when the inner wall of guide ring and the junction of lower mould outer lane also contact the lower mould outer lane simultaneously, because big impact force, cause the fracture of guide ring very easily, and the utility model discloses set up the ring channel, can avoid stress concentration to cause the fracture of guide ring well.
Further, the lower die frame further comprises a lower die pressing ring, the lower die pressing ring is arranged between the lower die sleeve and the lower die inner core, the lower die pressing ring is provided with a step hole, the other end of the lower die outer ring is tightly pressed on the lower die pressing ring, a shaft shoulder of the lower die inner core is tightly matched with the step of the lower die pressing ring, and after the lower die inner core is damaged, the damaged part can be conveniently taken down for replacement.
Furthermore, by arranging the upper die cushion block and the lower die cushion block, the material cost of the easily damaged upper die inner core and lower die inner core can be lower, and the service lives of the upper die inner core and the lower die inner core can be longer.
Furthermore, the lower die ejector rod is arranged, so that forged parts can be conveniently ejected out of the die frame, and operation is facilitated.
Further, the up end of cope match-plate pattern is connected on forging the top shoe of platform, the up end of cope match-plate pattern and the lower terminal surface of top shoe all correspond and have seted up the keyway, be provided with the navigation key in the keyway, according to forging the actual structure of platform, the position of navigation key has been designed in advance, the lower terminal surface of lower bolster is connected on forging the lower bolster of platform, the up end of the lower bolster of the lower terminal surface of lower bolster all corresponds and has seted up the keyway, be provided with the navigation key in the keyway, when the installation easy to assemble, be favorable to improving the installation accuracy.
In order to make the aforementioned and other objects, features and advantages of the present invention comprehensible, preferred embodiments accompanied with figures are described in detail below.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic view of an assembly structure of the present invention;
FIG. 2 is a schematic structural diagram of the upper plate of FIG. 1;
FIG. 3 is a schematic view of the upper die plate of FIG. 1;
FIG. 4 is a schematic structural view of the upper die sleeve of FIG. 1;
FIG. 5 is a schematic structural view of the upper die cushion block of FIG. 1;
FIG. 6 is a schematic view of the fastening ring of the upper mold of FIG. 1;
FIG. 7 is a schematic structural view of the upper molding ring of FIG. 1;
FIG. 8 is a schematic structural view of the upper mold core of FIG. 1;
FIG. 9 is a schematic structural view of the lower template of FIG. 1;
FIG. 10 is a schematic view of the structure of the lower platen of FIG. 1;
FIG. 11 is a schematic view of the lower die sleeve of FIG. 1;
FIG. 12 is a schematic view of the lower die pad of FIG. 1;
FIG. 13 is a schematic view of the lower die fastening ring of FIG. 1;
FIG. 14 is a schematic structural view of a lower mold clamping ring transition block in FIG. 1;
FIG. 15 is a schematic view of the lower mold clamping ring of FIG. 1;
FIG. 16 is a schematic structural view of the core of the lower mold of FIG. 1;
FIG. 17 is a schematic structural view of the lower mold outer ring in FIG. 1;
fig. 18 is a schematic structural view of the ram block of fig. 1.
In the figure: 1-upper template; 2-upper mould pressing plate; 3-an upper die sleeve; 4-upper die cushion block; 5-upper die fastening ring; 6-pressing a ring on the die; 7-upper die inner core; 8-lower template; 9-pressing a lower die plate; 10-lower die sleeve; 11-lower die cushion block; 12-lower die fastening ring; 13-lower die pressing ring transition block; 14-pressing ring of lower die; 15-lower die inner core; 16-a lower die outer ring; 17-a mandril cushion block; 18-lower die transition mandril; 19-a lower die ejector rod; 20-a positioning key; 21-a guide ring; 22-an annular groove; 23-upper slide block; 24-lower backing plate.
Detailed Description
To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, 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 embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
As shown in fig. 1, as a certain preferred embodiment of the utility model, a screw thread compresses tightly die carrier includes die carrier and lower die carrier, and is concrete, goes up the die carrier and includes cope match-plate pattern 1, cope match-plate pattern 2, go up mould sleeve 3, go up mould cushion 4, go up mould clamping ring 5, go up mould clamping ring 6 and last mould inner core 7, cope match-plate pattern 2 passes through the screw to be connected with cope match-plate pattern 1, cope match-plate pattern 2 sets up the step hole, the outer wall of going up mould sleeve 3 is provided with the shaft shoulder, it compresses tightly on cope match-plate pattern 1 by the step of cope match-plate pattern 2 and the shaft shoulder cooperation of going. The outer ring of the upper die cushion block 4 is provided with a shaft shoulder, the lower end face of the upper die plate 1 is provided with a circular groove matched with the upper end face of the upper die cushion block 4, and the shaft shoulder of the upper die cushion block 4 is matched with the step of the upper die sleeve 3 and then is compressed by the upper die sleeve 3 in the circular groove formed in the upper die plate 1. In this embodiment, go up mould sleeve 3's inner wall and seted up screw thread, go up the outer wall of mould tight loop 5 and seted up screw thread, go up mould sleeve 3 and last mould tight loop 5 and pass through threaded connection. The upper die fastening ring 5 is provided with a step hole, the outer wall of the upper die pressing ring 6 is provided with a shaft shoulder, one end of the upper die pressing ring 6 penetrates through the step hole of the upper die fastening ring 5, and the other end of the upper die pressing ring 6 is matched and pressed on the lower end face of the upper die cushion block 4 by the step of the upper die fastening ring 5 and the shaft shoulder of the upper die pressing ring 6; the upper die pressing ring 6 is provided with a step hole, the outer wall of the upper die inner core 7 is provided with a shaft shoulder, one end of the upper die inner core 7 penetrates through the step hole in the upper die pressing ring 6, the other end of the upper die inner core is matched and pressed on the lower end face of the upper die cushion block 4 by the step of the upper die pressing ring 6 and the shaft shoulder of the upper die inner core 7, and the lower end face of the upper die inner core 7 extends out of the upper die pressing ring.
The lower die frame comprises a lower die plate 8, a lower die pressing plate 9, a lower die sleeve 10, a lower die cushion block 11, a lower die fastening ring 12, a lower die pressing ring transition block 13, a lower die pressing ring 14, a lower die inner core 15, a lower die outer ring 16, an ejector rod cushion block 17, a lower die transition ejector rod 18 and a lower die ejector rod 19, the lower die pressing plate 9 is connected with the lower die plate 8 through screws, a step hole is formed in the lower die pressing plate 9, a shaft shoulder is arranged on the outer wall of the lower die sleeve 10, and the lower die sleeve 10 is pressed on the lower die plate 8 through the step of the lower die pressing plate. The upper end face of the lower template 8 is provided with a circular groove matched with the lower end face of the lower die cushion block 11, the lower die cushion block 11 is arranged in the lower die sleeve 10 in a matched mode, and the lower end face of the lower die cushion block 11 is matched in the circular groove of the upper end face of the lower template 8. The lower die pressing ring 14 is provided with a step hole, the lower die pressing ring 14 is arranged in the lower die sleeve 10, the lower end face of the lower die pressing ring 14 is in contact with the upper end face of the lower die cushion block 11, a shaft shoulder is arranged on the outer wall of the lower die inner core 15, one end of the lower die inner core 15 penetrates through the lower die pressing ring 14, and the other end of the lower die inner core is matched and pressed on the upper end face of the lower die cushion block 11 by the step of the lower die pressing ring 14 and the shaft shoulder of the. The outer wall of the lower die sleeve 10 is provided with threads, the inner wall of the lower die fastening ring 12 is provided with threads, and the lower die sleeve 10 is in threaded connection with the lower die fastening ring 12; the lower mould clamping ring 12 is provided with a step hole, the outer wall of the lower mould outer ring 16 is provided with a shaft shoulder, the lower mould outer ring 16 is arranged between the lower mould clamping ring 12 and the lower mould inner core 15, one end of the lower mould outer ring 16 penetrates through the lower mould clamping ring 12, the other end of the lower mould outer ring is pressed on the lower mould pressing ring 14 by the matching of the step of the lower mould clamping ring 12 and the shaft shoulder of the lower mould outer ring 16, and one end of the lower mould inner core 15 extends into the lower mould outer. Preferably, a lower die pressing ring transition block 13 is further arranged between the lower die fastening ring 12 and the lower die outer ring 16, a step hole is formed in the lower die pressing ring transition block 13, a shaft shoulder is arranged on the outer wall of the lower die pressing ring transition block 13, the step of the lower die fastening ring 12 is matched with the shaft shoulder of the lower die pressing ring transition block 13 to tightly press the lower die pressing ring transition block 13, and the step of the lower die pressing ring transition block 13 is matched with the shaft shoulder of the lower die outer ring 16 to tightly press the lower die outer ring 16 on the lower die pressing ring 14.
As shown in fig. 1, in order to conveniently take out the forged part, a lower die ejector rod 19 is further provided, through holes are formed in the lower die plate 8, the lower die inner core 15 and the lower die cushion block 11, axes of the through holes coincide, preferably, the through hole formed in the lower die cushion block 11 is a stepped hole, an ejector rod cushion block 17 is arranged between a stepped surface of the lower die cushion block 11 and the upper end surface of the lower die plate 8, the ejector rod cushion block 17 is provided with a through hole, one end of the lower die ejector rod 19 is arranged on the upper end surface of the ejector rod cushion block 17, and the other end of the lower die ejector rod 19 does not extend out; one end of the lower die ejector rod 19 is connected with a lower die transition ejector rod 18, and the lower die transition ejector rod 18 is in threaded connection with the through hole in the lower die plate 8. When the forged part needs to be taken out, the lower die transition ejector rod 18 is adjusted upwards to jack the lower die ejector rod 19 upwards, and finally the machined part is ejected out through the lower die ejector rod 19.
As shown in fig. 1, the upper mold core 7 of the upper mold frame is disposed opposite to the lower mold core 15 of the lower mold frame.
Referring to fig. 1 and 7, a guide ring 21 is integrally formed at one end of the upper mold pressing ring 6 close to the lower mold outer ring 16, the inner wall of the guide ring 21 is matched with the outer wall of the lower mold outer ring 16, one end of the upper mold inner core 7 can extend into the lower mold outer ring 16, and the upper mold inner core 7, the lower mold inner core 15 and the lower mold outer ring 16 form a forging cavity together. Preferably, the annular groove 22 is formed at the joint of the inner wall of the guide ring 21 and the lower die outer ring 16, and when the upper die pressing ring 6 contacts the lower die outer ring 16, the annular groove 22 does not contact the lower die outer ring 16, so that the impact force received by the joint root of the guide ring 21 and the die outer ring 16 can be effectively reduced, and the service life is prolonged.
As shown in fig. 1, the upper end surface of the upper die plate 1 is connected to the upper slide 23 of the forging table, and for the convenience of installation, key grooves are correspondingly formed on the upper end surface of the upper die plate 1 and the lower end surface of the upper slide 23, and positioning keys 20 are arranged in the key grooves. Similarly, the lower end face of the lower template 8 is connected to the lower backing plate 24 of the forging table, the upper end face of the lower backing plate 24 of the lower end face of the lower template 8 is correspondingly provided with a key groove, and the key groove is internally provided with a positioning key 20.
Fig. 2 to 18 are schematic structural views of the components of the present invention.
The utility model discloses compare with traditional die carrier: the traditional die carrier has complex design and more parts, and is generally 40-60 types, while the die carrier of the utility model has simplified design and consists of 20 types of parts;
the size of the upper die base and the lower die base of the traditional die frame is large, the cost is high, the die frame of the utility model reduces the size of the upper die base and the lower die base, the cost is reduced, the thickness of the upper module and the lower module is reduced by adopting a sleeve-shaped die structure, and the length and the width of the upper die base and the lower die base are reduced without designing a guide pillar and guide sleeve device;
the processing precision of the upper die base and the lower die base of the traditional die set is high, the upper die base and the lower die base are required to simultaneously process the guide pillar and guide sleeve center holes, and all parts of the die set can be processed independently;
the guide post and guide sleeve of the traditional die carrier are arranged in an interference fit manner, and are not easy to replace after being worn, so that the precision of a forge piece is reduced;
the module is forged to traditional die carrier is mainly that little bolt compresses tightly, and small bolt atress is volatile in process of production, takes place during destructive operation, and forging production strength and vibration are big, also have certain potential safety hazard, and the utility model discloses the new big screw thread compact structure of die carrier, simple to operate, and non-deformable does not have any potential safety hazard.
The poor factor of artificial mistake adjustment exists in traditional die carrier, and forging stability is relatively poor, and the utility model discloses the new guider of die carrier, the design does not have the poor factor of artificial mistake adjustment, and forging stability improves.
The utility model discloses break through conventional die carrier design: firstly, the design idea that adopts big screw to compress tightly replaces the 4 little bolts of conventional design to compress tightly the design, has not only simplified loaded down with trivial details mould project organization, has increased substantially closing device's life-span moreover, has reduced the cycle of changing the mould, has eliminated the potential safety hazard that little bolt brought. And secondly, the conventional guide pillar and guide sleeve design mode is cancelled, and a new guide device is replaced. The novel guide device has high guide precision, and firstly, a positioning key is designed between an upper die holder and a lower die holder and equipment; secondly, universal piece upper and lower mould locking type guiding is adopted; and the cushion blocks and the modules thereof in the die carrier are arranged in the upper sleeve and the lower sleeve, so that the precision of the whole die carrier is effectively ensured. Due to the design of the large-thread compression die frame, the forging piece is high in precision and high in die changing speed, and a foundation is laid for subsequent precision forging.
As a certain embodiment, the utility model discloses design flow in actual processing production does:
1) determining the design closing height and the ejection stroke of the die carrier according to the technical parameters of equipment provided by a manufacturer;
2) designing the structure of a die set, finally determining a design idea, and adopting a die set structure compressed by large threads;
3) before the equipment arrives, determining the positions of 4 positioning keys at the connection part of the die carrier and the equipment with a manufacturer;
4) each detail part of design die carrier, the design thinking does:
firstly, 4 positioning keys are used for connecting equipment with an upper die holder and a lower die holder so as to ensure that the upper die holder and the lower die holder are concentric;
secondly, the base plate and the die core are arranged in a die cylinder, and the die cylinder is directly connected with a spigot of the die holder, so that tolerance accumulation caused by indirect connection is eliminated;
③ when the lower die is installed, the lower die outer ring and the lower die pressing ring transition block are placed on the designed lower die seat with guide, the lower die fastening ring with M345xP4 big thread on the inner ring and the lower die sleeve are screwed in stably, and the standard is that the lower die is tightly pressed and not loosened;
when the upper die is installed, the upper die pressing ring, the upper die inner core and the upper die fastening ring with the M370xP4 large threads on the outer ring are sleeved, the upper die pressing ring and the upper die outer ring are arranged on the installed die of the lower die in a guiding mode, the upper sliding block slides downwards to enable the upper die to approach the lower die, the upper die fastening ring is stably rotated to enable the upper die fastening ring and the upper die sleeve to be stably screwed in, the upper sliding block moves upwards to enable the die to be installed;
5) the die carrier is used in actual production, and the actual use effect reaches the design requirement, and more than 90% of forgings produced by the existing equipment are 1mm precision forgings.
Finally, it should be noted that: the above-mentioned embodiments are only specific embodiments of the present invention, and are not intended to limit the technical solution of the present invention, and the protection scope of the present invention is not limited thereto, although the present invention is described in detail with reference to the foregoing embodiments, those skilled in the art should understand that: those skilled in the art can still modify or easily conceive of changes in the technical solutions described in the foregoing embodiments or make equivalent substitutions for some technical features within the technical scope of the present disclosure; such modifications, changes or substitutions do not substantially depart from the spirit and scope of the embodiments of the present invention, and are intended to be included within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (10)
1. The utility model provides a screw thread compresses tightly die carrier which characterized in that: the die comprises an upper die frame and a lower die frame, wherein the upper die frame comprises an upper die plate (1) and an upper die inner core (7), the upper die inner core (7) is provided with a shaft shoulder, and the upper die sleeve fixes the upper die inner core (7) on the lower end surface of the upper die plate (1) through a pressing shaft shoulder;
the lower die frame comprises a lower die plate (8) and a lower die inner core (15), the lower die inner core (15) is provided with a shaft shoulder, and the lower die sleeve fixes the lower die inner core (15) on the upper end surface of the lower die plate (8) through pressing the shaft shoulder;
the upper die inner core (7) is opposite to the lower die inner core (15).
2. The thread pressing die frame as claimed in claim 1, wherein: the upper die kit comprises an upper die sleeve (3) and an upper die fastening ring (5), the upper die sleeve (3) is connected to the lower end face of the upper die plate (1), and the upper die sleeve (3) is in threaded connection with the upper die fastening ring (5); one end of the upper die inner core (7) penetrates through the upper die fastening ring (5), and the other end of the upper die inner core is tightly pressed on the lower end surface of the upper die plate (1) by the upper die fastening ring (5);
the lower die set comprises a lower die sleeve (10) and a lower die fastening ring (12), the lower die sleeve (10) is connected to the upper end face of the lower die plate (8), and the lower die sleeve (10) is in threaded connection with the lower die fastening ring (12); one end of the lower die inner core (15) penetrates through the lower die fastening ring (12), and the other end of the lower die inner core is tightly pressed on the upper end face of the lower die plate (8) by the lower die fastening ring (12).
3. The thread pressing die frame as claimed in claim 2, wherein: the upper die kit further comprises an upper die pressing plate (2), the upper die pressing plate (2) is connected with the upper die plate (1), a shaft shoulder is arranged on the outer wall of the upper die sleeve (3), and the upper die sleeve (3) is pressed on the upper die plate (1) by the upper die pressing plate (2);
the lower die set further comprises a lower die pressing plate (9), the lower die pressing plate (9) is connected with the lower die plate (8), a shaft shoulder is arranged on the outer wall of the lower die sleeve (10), and the lower die sleeve (10) is pressed on the lower die plate (8) by the lower die pressing plate (9).
4. The thread pressing die frame as claimed in claim 2, wherein: the upper die kit also comprises an upper die pressing ring (6), and the outer wall of the upper die pressing ring (6) is provided with a shaft shoulder; one end of the upper die pressing ring (6) penetrates through the upper die fastening ring (5), and the other end of the upper die pressing ring (6) is tightly pressed on the lower end surface of the upper die plate (1) by the upper die fastening ring (5); one end of the upper die inner core (7) penetrates through the upper die pressing ring (6), and the other end of the upper die inner core is pressed on the lower end surface of the upper die plate (1) by the upper die pressing ring (6);
the lower die kit further comprises a lower die outer ring (16), the outer wall of the lower die outer ring (16) is provided with a shaft shoulder, one end of the lower die outer ring (16) penetrates through the lower die fastening ring (12), the other end of the lower die outer ring is pressed on the shaft shoulder of the lower die inner core (15) by the lower die fastening ring (12), and one end of the lower die inner core (15) is arranged in the lower die outer ring (16).
5. The thread pressing die frame as claimed in claim 4, wherein: go up mould clamping ring (6) and be close to the one end of lower mould outer lane (16) is connected with guide ring (21), the inner wall of guide ring (21) with the outer wall of lower mould outer lane (16) matches, the one end of going up mould inner core (7) can stretch into in lower mould outer lane (16).
6. The thread pressing die frame as claimed in claim 5, wherein: the guide ring (21) and the lower die outer ring (16) are integrally formed, and an annular groove (22) is formed at the joint of the inner wall of the guide ring (21) and the lower die outer ring (16); when the upper die pressing ring (6) is in contact with the lower die outer ring (16), the annular groove (22) is not in contact with the lower die outer ring (16).
7. The thread pressing die frame as claimed in claim 5, wherein: the lower die set further comprises a lower die pressing ring (14), the lower die pressing ring (14) is arranged between the lower die sleeve (10) and the lower die inner core (15), the other end of the lower die outer ring (16) is pressed on the lower die pressing ring (14), and the lower die inner core (15) is pressed by the lower die pressing ring (14).
8. The thread pressing die frame as claimed in claim 1, wherein: the upper die frame further comprises an upper die cushion block (4), and the upper die cushion block (4) is arranged between the upper die plate (1) and the upper die inner core (7);
the lower die frame further comprises a lower die cushion block (11), and the lower die cushion block (11) is arranged between the lower die plate (8) and the lower die inner core (15); the lower die plate (8), the lower die inner core (15) and the lower die cushion block (11) are all provided with through holes, the axes of the through holes are overlapped, lower die ejector rods (19) are arranged in the through holes, and the lower die ejector rods (19) are used for ejecting machined parts.
9. The thread pressing die frame as claimed in claim 8, wherein: a mandril cushion block (17) is arranged in a through hole formed in the lower die cushion block (11), a through hole is formed in the mandril cushion block (17), one end of a lower die mandril (19) is arranged on the upper end surface of the mandril cushion block (17), and the other end of the lower die mandril (19) does not extend out of the upper end surface of the lower die inner core (15); one end of the lower die ejector rod (19) is connected with a lower die transition ejector rod (18), and the lower die transition ejector rod (18) is in threaded connection with a through hole in the lower die plate (8).
10. The thread pressing die frame as claimed in claim 1, wherein: the upper end surface of the upper template (1) is connected to an upper sliding block (23) of the forging table, key grooves are correspondingly formed in the upper end surface of the upper template (1) and the lower end surface of the upper sliding block (23), and positioning keys (20) are arranged in the key grooves;
the lower end face of the lower template (8) is connected to a lower backing plate (24) of the forging table, key grooves are correspondingly formed in the upper end face of the lower backing plate (24) of the lower end face of the lower template (8), and positioning keys (20) are arranged in the key grooves.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920795307.3U CN210547772U (en) | 2019-05-28 | 2019-05-28 | Thread pressing die frame |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920795307.3U CN210547772U (en) | 2019-05-28 | 2019-05-28 | Thread pressing die frame |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210547772U true CN210547772U (en) | 2020-05-19 |
Family
ID=70669813
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920795307.3U Active CN210547772U (en) | 2019-05-28 | 2019-05-28 | Thread pressing die frame |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210547772U (en) |
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2019
- 2019-05-28 CN CN201920795307.3U patent/CN210547772U/en active Active
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