CN210586748U - Disposable forming die of double-corrugated shell - Google Patents
Disposable forming die of double-corrugated shell Download PDFInfo
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- CN210586748U CN210586748U CN201920749930.5U CN201920749930U CN210586748U CN 210586748 U CN210586748 U CN 210586748U CN 201920749930 U CN201920749930 U CN 201920749930U CN 210586748 U CN210586748 U CN 210586748U
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Abstract
The utility model discloses a disposable forming die of dual ripple casing, its characterized in that: the upper die comprises an upper die and a lower die, wherein the upper die comprises an upper die pull rod, an upper die plate, an upper pressure head, an upper die adjusting nut, an upper die locking nut, an upper die adjusting screw rod, an upper die spring adjusting gasket, an upper die spring rod, an upper die female die outer ring, an upper die movable female die and an upper die adjusting ring, the lower die comprises a guide rod, a first split positioning ring, a second split positioning ring, a positioning ring pull rod, a lower die female die outer ring, a lower die movable female die, a first lower die spring rod, a first lower die spring adjusting gasket, a lower die adjusting ring, a second lower die spring rod, a lower die adjusting nut, a lower die locking nut, a lower die adjusting screw rod, a second lower die spring, a lower die. The utility model discloses the shaping is of high quality, and the precision is high, and is energy-concerving and environment-protective, and low and convenient operation is required to equipment.
Description
Technical Field
The utility model belongs to the technical field of the interior high-pressure forming of tubular product part, concretely relates to disposable forming die of double ripple casing.
Background
With the advance of energy-saving and emission-reducing engineering in China, the light structure becomes the primary task of industrial design. The thin-wall corrugated pipe is taken as a representative of shell parts, and becomes a main component part of various compensation elements, flexible connecting pieces and heat exchange elements by the characteristics of good axial, radial and circumferential deformation capacities and long fatigue life. The method is widely applied to the industries of aerospace, electric instruments, petrochemical industry, automobiles, ships and the like. Especially, the application in the aerospace field is wider.
At present, the main forming methods of the metal corrugated pipe mainly comprise steel film bulging, internal high pressure forming, spinning forming and welding forming. The internal high pressure forming technology can be divided into hydraulic forming, viscous medium forming, polyurethane forming, particle medium forming and the like according to the adopted pressure transmission medium.
In both hydroforming and viscous medium forming of metal bellows, it is necessary to provide specialized pressurization devices and sealing structures during the forming process. In the polyurethane molding, although a sealing structure is not required, the polyurethane is easily deteriorated after repeated loading and the precision of the finally molded part is not high.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that the not enough of above-mentioned prior art provides a double ripple casing one-time forming die, and its shaping is of high quality, and the precision is high, and is energy-concerving and environment-protective, requires low and convenient operation to equipment.
In order to realize the technical purpose, the utility model discloses the technical scheme who takes does:
the utility model provides a double ripple casing disposable forming die which characterized in that: the upper die comprises an upper die and a lower die, wherein the upper die comprises an upper die pull rod, an upper die plate, an upper pressure head, an upper die adjusting nut, an upper die locking nut, an upper die adjusting screw rod, an upper die spring adjusting gasket, an upper die spring rod, an upper die female die outer ring, an upper die movable female die and an upper die adjusting ring, a plurality of upper die pull rods are uniformly distributed on the upper die plate along the circumferential direction, the tail parts of the upper die pull rods are arranged in mounting holes of the upper die movable female die, a stepped through hole is formed in the center of the upper die plate, the upper pressure head is fixedly arranged in the stepped through hole of the upper die plate through screws, the upper die movable female die is of a hollow sleeve structure with a flange, the upper die movable female die is connected with the upper die plate through the upper die pull rods, a plurality of upper die adjusting screw rods are uniformly distributed on the top, the upper die and female die outer ring is of a hollow sleeve structure with a flange, a clearance fit is formed between a central through hole of the upper die and female die outer ring and an outer cylindrical surface of an upper die movable female die, the upper die spring rod is sleeved with an upper die spring and an upper die spring adjusting gasket, two ends of the upper die spring rod are respectively connected with a top end flange of the upper die and female die outer ring and a top end flange of the upper die movable female die, the upper die adjusting ring is arranged on the top surface of the upper die and female die outer ring, the lower die is composed of a guide rod, a first split positioning ring, a second split positioning ring, a positioning ring pull rod, a lower die and female die outer ring, a lower die movable female die, a first lower die spring rod, a first lower die spring adjusting gasket, a lower die adjusting ring, a second lower die spring rod, a lower die adjusting nut, a lower die locking nut, the first split positioning ring and the second split positioning ring are connected in a prestress connection mode through positioning ring pull rods positioned on two sides, the first split positioning ring and the second split positioning ring are installed on the top surface of a lower die female die outer ring, the lower die female die outer ring is of a double-flange hollow sleeve structure, a lower die movable female die is installed in a center hole of the lower die female die outer ring, a first lower die spring rod is installed between a lower flange of the lower die female die outer ring and a flange at the bottom of the lower die movable female die, a first lower die spring and a first lower die spring adjusting gasket are installed on the first lower die spring rod, a lower die adjusting ring is installed on the top surface of the flange at the bottom of the lower die movable female die, a lower die plate is installed in the center hole of the lower die movable female die, a guide rod is installed in the center hole of the lower die plate, a lower pressure head is installed on the guide, the lower die plate bottom flange on evenly distributed have a plurality of lower mould adjusting screw along the circumferencial direction, lower mould adjusting nut and lower mould lock nut all install on lower mould adjusting screw, lower mould activity die bottom flange and lower bolster bottom flange between install second lower mould spring beam, second lower mould spring beam on install second lower mould spring and second lower mould spring adjusting shim, guide arm adjusting screw install in lower bolster central thread hole and guide arm adjusting screw afterbody top on the guide bar bottom surface.
The upper pressure head in the upper die is of a hollow cylindrical structure with a flange plate, the bottom of the upper pressure head is provided with a conical surface, and the bottom surface of a central hole of a movable female die of the upper die in the upper die is provided with a transition fillet.
The central through hole of the outer ring of the upper die concave die in the upper die is in clearance fit with the outer cylindrical surface of the upper die movable concave die.
The central through hole of the lower die female die outer ring in the lower die is in clearance fit with the outer cylindrical surface of the lower die movable female die.
The top surface of the central hole of the lower die movable female die in the lower die is provided with a transition fillet.
The guide rod in the lower die is a stepped shaft with a thick middle part and thin two ends, and the diameter thin section and the middle diameter thick section are in conical surface transition.
The top end of a lower pressure head in the lower die is of a conical structure.
The utility model discloses in go up the mould and mainly include mould pull rod, cope match-plate pattern, go up the pressure head, go up mould adjusting nut, go up mould lock nut, go up mould adjusting screw, go up mould spring adjusting shim, go up the mould spring lever, go up mould die outer lane, go up mould activity die and go up the mould adjusting ring and constitute. The upper die pull rods are uniformly arranged on the upper die plate, and the number of the upper die pull rods is designed according to the size of the demoulding force after forming. A stepped through hole is formed in the center of the upper template, the top end of the upper pressure head is designed to be a conical surface, and the size of the conical surface can be designed according to the shape of a finally formed part and the deformation resistance of a pipe. The upper die movable female die is of a hollow sleeve structure with a flange and is connected with the upper die plate through an upper die pull rod. The central through hole of the upper die movable female die is concentric with the outer circular surface of the upper pressure head and is in clearance fit with the outer circular surface of the upper pressure head, and the inner hole surface at the other end of the upper die movable female die is provided with a forming transition fillet. And the flange end face of the upper die movable female die is uniformly provided with upper die adjusting screws, and the upper die adjusting screws are provided with upper die adjusting nuts and upper die locking nuts. The number of the upper die adjusting screw rods is designed according to the deformation load required by forming. The initial position relation of the upper pressing head and the movable female die of the upper die can be realized by adjusting the length L1 of the upper die pull rod, and the pressing depth of the upper pressing head during forming is realized by the length L1 of the upper die pull rod and the distance L1 between the adjusting nut and the upper die plate. The outer ring of the upper die and the female die is of a hollow sleeve structure with a flange, and a central through hole of the outer ring of the upper die and the female die is in clearance fit with the outer cylindrical surface of the upper die and the movable female die. And an upper die spring adjusting gasket are sleeved on the upper die spring rod. The two ends of the upper die spring rod are respectively connected with the upper die concave die outer ring flange and the upper die movable concave die flange, and the upper die spring load and the distance L2 between the upper die concave die outer ring flange and the upper die movable concave die flange are adjusted by changing the height of the upper die spring adjusting gasket. An upper die adjusting ring is arranged on the flange of the outer ring of the upper die female die, the upper die adjusting ring is of a hollow structure, and the diameter of a central through hole of the upper die adjusting ring is slightly larger than the outer diameter of the upper pressure head. The displacement of the upper die movable female die in the forming process is limited by changing the height of the upper die adjusting ring (namely changing the distance l2 between the upper die movable female die and the upper die adjusting ring).
The lower die mainly comprises a guide rod, a first split positioning ring, a second split positioning ring, a positioning ring pull rod, a lower die female die outer ring, a lower die movable female die, a first lower die spring rod, a first lower die spring adjusting gasket, a lower die adjusting ring, a second lower die spring rod, a lower die adjusting nut, a lower die locking nut, a lower die adjusting screw rod, a second lower die spring, a guide rod adjusting screw, a lower pressing head, a second lower die spring adjusting gasket and the like. The first split positioning ring and the second split positioning ring form a complete ring in a prestress connection mode through positioning ring pull rods on two sides, and the pretightening force of the positioning ring pull rods is selected according to the internal pressure required by the deformation of a pipe, so that no gap is generated in the forming process of the first split positioning ring and the second split positioning ring. And placing the pre-tightened half-dividing positioning ring on an upper flange of the outer ring of the lower die female die, so that the through hole of the half-dividing positioning ring is concentric with the through hole of the outer ring of the lower die female die. The adjustment of the load of the first lower die spring and the distance L3 between the lower flange of the outer ring of the lower die female die and the flange of the lower die movable female die is realized by changing the height of the first lower die spring adjusting gasket. And a lower die adjusting ring is arranged on the outer ring flange of the lower die female die, the lower die adjusting ring is of a hollow structure, and the diameter of a central through hole of the lower die adjusting ring is slightly larger than the outer diameter of the lower pressure head. The displacement of the upper die movable female die is limited in the forming process by changing the height of the lower die adjusting ring (namely changing the distance l3 between the lower die movable female die and the lower die adjusting ring). The lower template is a cylindrical part with a flange, and the cylindrical surface of the lower template is in clearance fit with the lower die movable female die. The relative position of the middle conical surface of the guide rod is adjusted by adjusting the screwing depth of the guide rod adjusting screw. And second lower die spring rods and lower die adjusting screw rods are uniformly arranged on the lower die plate flange, and the number of the second lower die spring rods and the number of the lower die adjusting screw rods are designed according to forming requirements. The lower die movable female die is connected with the lower die plate through a second lower die spring rod. The second lower die spring rod is sleeved with a second lower die spring and a second lower die spring adjusting gasket, and the height of the second lower die spring adjusting gasket is changed to adjust the load of the second lower die spring, the distance L4 between the lower die movable female die flange and the lower die plate flange. The lower pressure head is positioned on the end surface of the cylindrical surface of the lower template, the lower pressure head is a hollow cylindrical part, the inner diameter of the lower pressure head is slightly larger than the outer diameter of the thin end of the guide rod, and the outer diameter of the lower pressure head is smaller than the diameter of the inner hole of the movable female die of the lower die and 2 times of the wall thickness of the tube blank. The head of the lower pressure head adopts a conical surface, and the cone angle is designed according to the forming requirement. And a lower die adjusting nut and a lower die locking nut are arranged on the lower die adjusting screw, and the control of the pressing depth of the lower pressing head during forming is realized by adjusting the distance L4 between the lower die movable female die flange and the lower template flange and the distance L4 between the lower die adjusting nut and the upper template.
The utility model discloses the operating procedure as follows:
a) according to the shape of the double-corrugated shell part to be formed and the deformation resistance of an original tube blank, adjusting a distance L1 between an upper pressure head and an upper die movable female die, a distance L1 between an upper die adjusting nut and an upper die plate, a distance L2 between an upper die female die outer ring flange and an upper die movable female die flange, a distance L2 between the upper die movable female die and an upper die adjusting ring, a distance L3 between a lower die female die outer ring lower flange and a lower die movable female die flange, a distance L3 between the lower die movable female die and a lower die adjusting ring, a distance L4 between the lower die movable female die flange and a lower die plate flange and a distance L4 between the lower die adjusting nut and a lower die movable female die bottom flange; adjusting the screwing depth of the guide rod adjusting screw to enable the relative position of the middle conical surface of the guide rod to be located at the middle position of the double-corrugation in the forming process; the initial load of the die spring is set to satisfy: go up mould spring initial load < second lower mould spring initial load < first lower mould spring initial load, the spring rate that sets up the mould satisfies: upper die spring rate < second lower die spring rate < first lower die spring rate.
b) The upper die is fixed on a movable cross beam of the forming equipment through an upper die plate, the lower die is fixed on a lower cross beam of the forming equipment through a lower die plate, the initial tube blank is placed into the assembled lower die, and a certain amount of granular medium is added.
c) The upper die moves downwards under the driving of the forming equipment, so that the outer ring of the female die of the upper die is in contact with the first split positioning ring and the second split positioning ring; the upper pressure head is pressed into the granular medium under the action of equipment pressure F, so that the upper part of the tube blank gradually carries out free bulging, and the free bulging of the upper end is finished when the surface of the upper template is contacted with the upper die adjusting nut; then, under the action of equipment load F, the upper die plate drives the upper die movable female die to compress the upper die spring, so that the upper pressure head and the upper die movable female die move downwards simultaneously, the pipe blank enters into upper corrugation shaping deformation until a flange of the upper die movable female die is contacted with an upper die adjusting ring, and the corrugation forming at the upper end of the pipe blank is finished; continuously increasing the equipment load F, wherein the upper die simultaneously drives the first split positioning ring, the second split positioning ring, the lower die female die outer ring and the lower die movable female die to move downwards to gradually compress the second lower die spring, and the lower pressing head moves upwards relative to the pipe blank to gradually perform free bulging deformation on the lower end of the pipe blank until the lower die movable female die flange is contacted with the lower die adjusting nut, so that the free bulging of the lower end of the pipe blank is finished; and continuously increasing the equipment load F, simultaneously driving the first split positioning ring, the second split positioning ring and the lower die female die outer ring by the upper die to compress the first lower die spring, enabling the lower die movable female die and the lower pressing head to move upwards relative to the pipe blank, shaping and deforming the pipe blank into lower corrugations until the lower die movable female die flange is contacted with the lower die adjusting ring, finishing the corrugation forming of the lower end of the pipe blank, and finishing the whole forming.
d) After the forming is finished, the upper die returns to the initial position, the upper die spring, the upper die pull rod, the first lower die spring and the second lower die spring all return to the initial position, the formed double-corrugated shell is left in the lower die, the positioning ring pull rod is loosened, the first split positioning ring and the second split positioning ring are opened, and the formed double-corrugated shell is taken out from the lower die female die outer ring and the lower die movable female die in the lower die after granular media are cleaned.
The utility model has the advantages of following several:
(1) in the forming process, the movable female die is matched with the pressure head to complete the forming of the corrugations, so that the pressure of granular media required by the forming is reduced, the forming defects of pipe blank compression instability and the like caused by loading at the end part of an original pipe blank are avoided, and the control difficulty of process parameters is reduced.
(2) The forming of two corrugations can be realized simultaneously in one loading process, and the forming efficiency is improved.
(3) In the whole forming process, only the upper die plate needs to be loaded, other external loads are not needed, and the dependence on forming equipment is reduced.
Drawings
Fig. 1 is a schematic structural diagram of the present invention;
fig. 2 is a schematic structural diagram of the first stage of deformation (when the distance between the upper die plate and the upper die adjusting nut is zero) of the present invention;
FIG. 3 is a schematic structural diagram of the second stage of deformation (the distance between the movable female die of the upper die and the adjusting ring of the upper die is zero) of the present invention;
fig. 4 is a schematic structural diagram of the third stage of deformation (the distance between the lower die adjusting nut and the lower die movable female die is zero) of the present invention;
fig. 5 is a schematic structural diagram of the fourth stage of deformation (the distance between the lower die female die outer ring and the lower die adjusting ring is zero) of the present invention;
fig. 6 is a schematic view of a connection structure of a first split positioning ring and a second split positioning ring of the present invention;
fig. 7 is a schematic structural diagram of the dual corrugated casing of the present invention.
Wherein the reference numerals are: an upper die 1, an upper die pull rod 101, an upper die plate 102, an upper pressure head 103, an upper die adjusting nut 104, an upper die locking nut 105, an upper die adjusting screw 106, an upper die spring adjusting gasket 107, an upper die spring 108, an upper die spring rod 109, an upper die and female die outer ring 110, an upper die movable female die 111, an upper die adjusting ring 112, a lower die 2, a guide rod 201, a first split positioning ring 202, a second split positioning ring 203 and a positioning ring pull rod 204, the device comprises a lower die female die outer ring 205, a lower die movable female die 206, a first lower die spring rod 207, a first lower die spring 208, a first lower die spring adjusting gasket 209, a lower die adjusting ring 210, a second lower die spring rod 211, a lower die adjusting nut 212, a lower die locking nut 213, a lower die adjusting screw 214, a second lower die spring 215, a lower die plate 216, a guide rod adjusting screw 217, a lower pressure head 218, a second lower die spring adjusting gasket 219, granular media 3 and a tube blank 4.
Detailed Description
The following further description of the embodiments of the present invention is made with reference to the accompanying drawings:
the utility model provides a double ripple casing disposable forming die which characterized in that: including last mould 1 and lower mould 2, last mould 1 by last mould pull rod 101, cope match-plate pattern 102, go up pressure head 103, go up mould adjusting nut 104, go up mould lock nut 105, go up mould adjusting screw 106, go up mould spring adjusting shim 107, last mould spring 108, go up mould spring pole 109, go up mould die outer lane 110, go up mould activity die 111 and go up mould adjusting ring 112 and constitute, cope match-plate pattern 102 on along circumferencial direction evenly distributed have a plurality of go up mould pull rod 101 and go up mould pull rod 101 afterbody and install in the mounting hole of last mould activity die 111, cope match-plate pattern 102 center be equipped with the notch cuttype through-hole, last pressure head 103 pass through in the notch cuttype through-hole of screw fixed mounting at cope match-plate pattern 102, last mould activity die 111 for the hollow sleeve structure that has the flange and go up mould activity die 111 and link to each other with cope match-plate pattern 102 through last mould pull rod 101, last mould, last mould adjusting nut 104 and last mould lock nut 105 all install on last mould adjusting screw 106, last mould die outer lane 110 for having the hollow sleeve structure of flange and go up between the cylindrical surface of mould movable die 111 in mould die outer lane 110 central through hole and go up and be clearance fit, last mould spring rod 109 go up the cover by last mould spring 108 and last mould spring adjusting gasket 107 and go up mould spring rod 109 both ends and link to each other with last mould die outer lane 110 top flange and last mould movable die 111 top flange respectively, last mould adjusting ring 112 install on last mould die outer lane 110 top surface, lower mould 2 by guide bar 201, first split holding ring 202, second split holding ring 203, holding ring pull rod 204, lower mould die outer lane 205, lower mould movable die 206, first lower mould spring 207, first lower mould spring 208, first lower mould spring adjusting gasket 209, lower mould adjusting ring 210, A second lower die spring rod 211, a lower die adjusting nut 212, a lower die locking nut 213, a lower die adjusting screw 214, a second lower die spring 215, a lower die plate 216, a guide rod adjusting screw 217, a lower pressure head 218 and a second lower die spring adjusting shim 219, wherein the first split positioning ring 202 and the second split positioning ring 203 are connected by a positioning ring pull rod 204 positioned at two sides in a prestress connection mode, the first split positioning ring 202 and the second split positioning ring 203 are arranged on the top surface of a lower die concave die outer ring 205, the lower die concave die outer ring 205 is of a double-flange hollow sleeve structure, the lower die movable concave die 206 is arranged in a central hole of the lower die concave die outer ring 205, a first lower die spring rod 207 is arranged between a lower flange of the lower die concave die outer ring 205 and a flange at the bottom of the lower die movable concave die 206, and a first lower die spring 208 and a first lower die spring adjusting shim 209 are arranged on the first lower, the lower die adjusting ring 210 is mounted on the top surface of the flange at the bottom of the lower die movable female die 206, the lower template 216 is arranged in the central hole of the lower movable die 206, the guide rod 201 is arranged in the central hole of the lower template 216, the lower press head 218 is arranged on the guide rod 201 and the bottom surface of the lower press head 218 is pressed against the top surface of the lower template 216, a plurality of lower die adjusting screws 214 are uniformly distributed on the flange at the bottom of the lower die plate 216 along the circumferential direction, the lower die adjustment nut 212 and the lower die lock nut 213 are mounted on the lower die adjustment screw 214, a second lower die spring rod 211 is arranged between the bottom flange of the lower die movable female die 206 and the bottom flange of the lower die plate 216, a second lower die spring 215 and a second lower die spring adjusting shim 219 are mounted on the second lower die spring rod 211, the guide rod adjusting screw 217 is arranged in a central threaded hole of the lower template 216, and the tail part of the guide rod adjusting screw 217 is propped against the bottom surface of the guide rod 201.
In the embodiment, the upper pressure head 103 in the upper die 1 is of a hollow cylindrical structure with a flange, the bottom of the upper pressure head 103 is provided with a conical surface, and the bottom of a central hole of the upper die movable female die 111 in the upper die 1 is provided with a transition fillet.
In the embodiment, a central through hole of an outer ring 110 of an upper die and a female die in an upper die 1 is in clearance fit with an outer cylindrical surface of a movable female die 111 of the upper die.
In the embodiment, a central through hole of the lower die female die outer ring 205 in the lower die 2 is in clearance fit with the outer cylindrical surface of the lower die movable female die 206.
In the embodiment, the top surface of the central hole of the lower die movable concave die 206 in the lower die 2 is provided with a transition fillet.
In the embodiment, the guide rod 201 in the lower die 2 is a stepped shaft with a thick middle and thin two ends, and the diameter thin section and the middle diameter thick section are in conical surface transition.
In the embodiment, the top end of the lower press head 218 in the lower die 2 has a conical structure.
Above only the utility model discloses an it is preferred embodiment, the utility model discloses a scope of protection not only limits in above-mentioned embodiment, and the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, a plurality of modifications and decorations without departing from the principle of the present invention should be considered as the protection scope of the present invention.
Claims (7)
1. The utility model provides a double ripple casing disposable forming die which characterized in that: including last mould (1) and lower mould (2), last mould (1) by last mould pull rod (101), cope match-plate pattern (102), go up pressure head (103), go up mould adjusting nut (104), go up mould lock nut (105), go up mould adjusting screw (106), go up mould spring adjusting shim (107), go up mould spring (108), go up mould spring rod (109), go up mould die outer lane (110), go up mould activity die (111) and go up mould adjusting ring (112) and constitute, cope match-plate pattern (102) go up and have a plurality of to go up mould pull rod (101) and go up mould pull rod (101) afterbody and install in the mounting hole of mould activity die (111) along circumferencial direction evenly distributed, cope match-plate pattern (102) center be equipped with the notch cuttype through hole, last pressure head (103) through screw fixed mounting in the notch cuttype through-hole of cope match-plate pattern (102), last mould activity die (111) for having the hollow sleeve structure of flange and go up mould activity die (111) through last mould pull rod Template (102) link to each other, last mould activity die (111) top surface on evenly distributed have a plurality of go up mould adjusting screw (106) along the circumferencial direction, last mould adjusting nut (104) and last mould lock nut (105) all install on last mould adjusting screw (106), last mould die outer lane (110) for have the hollow sleeve structure of flange and go up mould die outer lane (110) central through hole and go up between mould activity die (111) the outer face of cylinder for clearance fit, last mould spring rod (109) go up the cover by last mould spring (108) and last mould spring adjustment gasket (107) and go up mould spring rod (109) both ends respectively with last mould die outer lane (110) top flange and last mould activity die (111) top flange and link to each other, last mould adjusting ring (112) install on last mould die outer lane (110) top surface, lower mould (2) by guide bar (201), The split positioning structure comprises a first split positioning ring (202), a second split positioning ring (203), a positioning ring pull rod (204), a lower die female die outer ring (205), a lower die movable female die (206), a first lower die spring rod (207), a first lower die spring (208), a first lower die spring adjusting gasket (209), a lower die adjusting ring (210), a second lower die spring rod (211), a lower die adjusting nut (212), a lower die locking nut (213), a lower die adjusting screw rod (214), a second lower die spring (215), a lower die plate (216), a guide rod adjusting screw (217), a lower pressure head (218) and a second lower die spring adjusting gasket (219), wherein the first split positioning ring (202) and the second split positioning ring (203) are connected in a prestress connection mode through the positioning ring pull rods (204) positioned on two sides, and the first split positioning ring (202) and the second split positioning ring (203) are installed on the top surface of the lower die outer ring (205), the lower die outer ring (205) is of a double-flange hollow sleeve structure, the lower die movable female die (206) is arranged in a central hole of the lower die outer ring (205), a first lower die spring rod (207) is arranged between a lower flange of the lower die outer ring (205) and a bottom flange of the lower die movable female die (206), a first lower die spring (208) and a first lower die spring adjusting gasket (209) are arranged on the first lower die spring rod (207), a lower die adjusting ring (210) is arranged on the top surface of the bottom flange of the lower die movable female die (206), the lower die plate (216) is arranged in the central hole of the lower die movable female die (206), the guide rod (201) is arranged in the central hole of the lower die plate (216), the lower pressure head (218) is arranged on the guide rod (201) and the bottom surface of the lower pressure head (218) is pressed against the top surface of the lower die plate (216), lower bolster (216) bottom flange on along circumferencial direction evenly distributed have a plurality of lower mould adjusting screw (214), lower mould adjusting nut (212) and lower mould lock nut (213) all install on lower mould adjusting screw (214), lower mould activity die (206) bottom flange and lower bolster (216) bottom flange between install second lower mould spring beam (211), second lower mould spring beam (211) on install second lower mould spring (215) and second lower mould spring adjusting shim (219), guide arm adjusting screw (217) install in lower bolster (216) central screw hole and guide arm adjusting screw (217) afterbody top on guide bar (201) bottom surface.
2. The disposable forming die for double corrugated shell as claimed in claim 1, wherein: the upper pressure head (103) in the upper die (1) is of a hollow cylindrical structure with a flange plate, the bottom of the upper pressure head (103) is provided with a conical surface, and the bottom surface of a central hole of an upper die movable female die (111) in the upper die (1) is provided with a transition fillet.
3. The disposable forming die for double corrugated shell as claimed in claim 1, wherein: a central through hole of an outer ring (110) of an upper die and a female die in the upper die (1) is in clearance fit with an outer cylindrical surface of an upper die movable female die (111).
4. The disposable forming die for double corrugated shell as claimed in claim 1, wherein: and a central through hole of a lower die female die outer ring (205) in the lower die (2) is in clearance fit with an outer cylindrical surface of a lower die movable female die (206).
5. The disposable forming die for double corrugated shell as claimed in claim 1, wherein: and a transition fillet is arranged on the top surface of a central hole of a lower die movable female die (206) in the lower die (2).
6. The disposable forming die for double corrugated shell as claimed in claim 1, wherein: the guide rod (201) in the lower die (2) is a stepped shaft with thick middle and thin two ends, and the diameter thin section and the middle diameter thick section are in conical surface transition.
7. The disposable forming die for double corrugated shell as claimed in claim 1, wherein: the top end of a lower pressure head (218) in the lower die (2) is of a conical structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920749930.5U CN210586748U (en) | 2019-05-23 | 2019-05-23 | Disposable forming die of double-corrugated shell |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920749930.5U CN210586748U (en) | 2019-05-23 | 2019-05-23 | Disposable forming die of double-corrugated shell |
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| CN210586748U true CN210586748U (en) | 2020-05-22 |
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| CN201920749930.5U Active CN210586748U (en) | 2019-05-23 | 2019-05-23 | Disposable forming die of double-corrugated shell |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110102643A (en) * | 2019-05-23 | 2019-08-09 | 南京林业大学 | A kind of disposable shaping dies of dual damascene shell and manufacturing process |
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2019
- 2019-05-23 CN CN201920749930.5U patent/CN210586748U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110102643A (en) * | 2019-05-23 | 2019-08-09 | 南京林业大学 | A kind of disposable shaping dies of dual damascene shell and manufacturing process |
| CN110102643B (en) * | 2019-05-23 | 2023-10-24 | 南京林业大学 | Disposable forming die and forming method for double-corrugated shell |
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