CN210098684U - Compound lid cup forming die - Google Patents

Compound lid cup forming die Download PDF

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Publication number
CN210098684U
CN210098684U CN201920186252.6U CN201920186252U CN210098684U CN 210098684 U CN210098684 U CN 210098684U CN 201920186252 U CN201920186252 U CN 201920186252U CN 210098684 U CN210098684 U CN 210098684U
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China
Prior art keywords
die
ring
cup
core
mold
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CN201920186252.6U
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翟银星
骆轶
邱逊
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YIWU CITY EASY-TO-OPEN CAP INDUSTRY Co
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YIWU CITY EASY-TO-OPEN CAP INDUSTRY Co
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Abstract

The utility model discloses a compound lid cup forming die, including last mould and lower mould, go up mould and lower mould and be the inner and outer nested integrated configuration of a plurality of cyclic annular moulds, go up the mould and be the mold core from inside to outside respectively, cover the circle, punch die and unload the circle, the lower mould is mold core, liftout circle and die down from inside to outside respectively, through reciprocating of the cyclic annular mould of controlling different functions, realizes compound stretch forming process such as blanking, tensile, safe button shaping and side cut to the sheet stock. The utility model discloses can once accomplish the shaping process of lid cup, improve production efficiency and product quality, reduce production line equipment and drop into, reduce the processing cost, have very high practical value.

Description

Compound lid cup forming die
Technical Field
The utility model belongs to the technical field of the lid cup processing technique and specifically relates to a compound lid cup forming die is related to.
Background
The cup-shaped sheet material is cold stamped and stretched to be formed, and the generally adopted die structure is a die structure formed by stamping after blanking. When the required cup-shaped length-diameter ratio exceeds the general empirical value of 1:2, obvious ear making effect is inevitably generated due to the anisotropy of materials in the stretching process, in other words, under the working condition, trimming is necessarily carried out on the cover cup with a smooth opening part to ensure the quality of the cover cup. In order to ensure the quality of stretch forming and the stability of production, different processes such as blank stretching, stretch forming, trimming and the like are generally completed in different processes. The production line equipment investment is excessive after the sub-processes are finished, and the problems of collision, scratch, distance conveying, synchronous production and the like caused by the transfer process are caused by more production processes. In order to save the investment of equipment, reduce the probability of disqualification generated by the conversion process and reduce the generation of the problem of the transmission of the conversion process, a process method of composite type stretching forming and trimming needs to be considered. Therefore, the composite cover cup forming process method is designed, the production efficiency of products is improved, the quality of the products is improved, the early-stage investment of a production line is reduced, and the production cost is reduced. The patent document with the publication number of CN104607540A discloses a multi-stage composite air pressure reverse forming die for a cover cup and a forming method, wherein the multi-stage composite air pressure reverse forming die comprises an upper die and a lower die, the upper die and the lower die are of a combined structure formed by concentrically nesting a plurality of annular single dies from inside to outside, the upper die is respectively provided with an upper die core, a cover opening ring, a male die and a female die from inside to outside, the lower die is respectively provided with a lower die inner core, a lower die core, a blank holder ring and a female die from inside to outside, and the movement of the single dies with different functions is controlled through air pressure so as to realize the blanking and the forward and reverse stretching. However, the above stamping die for the cup lid can only complete the cup lid forming process, and cannot perform the curling operation on the cup lid, so that the second device is required to perform the curling operation, and the production efficiency is very low. The patent document with the publication number of CN105499386A discloses a basic cover forming and curling two-in-one die and a forming method, wherein the basic cover forming and curling two-in-one die comprises an upper die and a lower die, the upper die and the lower die are of a combined structure formed by internally and externally nesting a plurality of annular single dies, the upper die is respectively an upper die core, a cover opening ring, a male die and a female die from inside to outside, the lower die is respectively a lower die core, a movable die core, a material pressing ring and a female die from inside to outside, and the blanking, preforming, pre-rolling and final curling forming of a cover material are realized by controlling the movement of the single dies with different functions. However, the above mold is only suitable for can lid products with large area and small height, and the diameter and depth of the lid cup are small compared with those of the can lid, and the above mold cannot be used for drawing the lid cup, so that the mold cannot be applied to lid cup production.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve prior art's lid cup and add man-hour and all must adopt the branch process to accomplish, lead to production line equipment to drop into too much, the problem that production efficiency is low and with high costs provides a compound lid cup forming die, can once accomplish the forming process of lid cup, has improved production efficiency and product quality, reduces production line equipment and drops into, has reduced manufacturing cost.
The utility model discloses a solve the concrete technical scheme that above-mentioned technical problem adopted and be: a composite type cover cup forming die comprises an upper die and a lower die, wherein the upper die comprises an upper die plate, an upper die base is arranged on the bottom surface of the upper die plate, an upper die core is arranged at the bottom of the upper die base, a cover ring is arranged on the periphery of the upper die core in a vertically sliding manner, a male die and a female die are fixed on the upper die base outside the cover ring, an upper cutting edge for blanking is formed at the outer side edge of the lower end part of the male die and the female die, an upper die cavity for the cover ring to move up and down is formed between the male die and the upper die base, a discharging ring is sleeved on the outer side of the male die and the female die; the lower die comprises a lower die plate, a lower die base is arranged above the lower die plate, a trimming cutter and a lower die core are fixed on the lower die base, a material ejecting ring is arranged on the outer sides of the lower die core and the trimming cutter, the material ejecting ring is sleeved on the outer sides of the lower die core and the trimming cutter in a vertically sliding manner, a female die fixing seat is fixed on the lower die base on the outer side of the material ejecting ring, a female die is fixed on the female die fixing seat, a lower cutting edge corresponding to the upper cutting edge is arranged on the inner side edge of the upper end part of the female die, and a lower die cavity capable of enabling the material ejecting ring to move up; and a cylinder is arranged between the lower die base and the lower die plate, a push rod extends upwards from a piston of the cylinder, and the upper end of the push rod upwards penetrates through the lower die base to be abutted against the lower end face of the material pushing ring.
The utility model discloses a compound lid cup forming die includes mould and lower mould, goes up mould and lower mould and is the inner and outer nested integrated configuration of a plurality of cyclic annular moulds, the top appearance phase-match of the combination terminal surface of upper and lower mold core and lid cup. The lower die plate is used for supporting the whole die and is a bottom plate of the die, the lower die is fixed on a working table of a punch through the lower die plate, and the lower die base is used for fixing other parts of the lower die; the upper die plate is a bottom plate fixed with the upper die, the whole upper die is fixed on the bottom surface of a slide block of the machine tool through the upper die plate, the upper die base is used for fixing parts of the upper die, and the upper part and the lower part of the die are respectively fixed on the upper working plane and the lower working plane of the punch through the supporting action of the upper die plate and the lower die plate, so that the periodical blanking forming movement is realized. The cylinder provides blank holder power, constitutes press device together with ejector pin, liftout circle, realizes the blank holder function, and the blank holder power when adjusting the entering atmospheric pressure size of cylinder and stretch forming. The female die fixing seat is mainly used for fixing the female die, and simultaneously, the blanking plane height of the female die can be adjusted to provide a stretching forming space. The female die is matched with the male die and the female die to punch the sheet material, so that the blanking function is realized; the discharging ring pushes out the waste material, so that the waste material ring is not sleeved on the punch-die. After the blanking action is finished, the male die and the female die continue to descend along with the upper die, interact with the lower die core and the upper die core, and stretch the sheet material for forming. After the cover cup is formed, the punch and the die continue to move downwards, and when the punch press is close to a bottom dead center, the punch and the die interact with the waste trimming cutter to cut the waste ring and the cover cup. After the completion, go up the mould and follow the slider and continue upwards operation to take the lid cup, then beat the lid cup with the help of the ring of covering, see the lid cup outside the mould through the effect of going out the lid frock, and the liftout circle resumes the in-process and sends the waste material circle to the lower mould plane, see the waste material circle outside the mould through going out the lid frock, thereby accomplish compound stretch forming processes such as whole blanking, stretch forming, safety button shaping, side cut. Thus, the utility model provides a lid cup of prior art add man-hour the lid cup all must adopt the branch process to accomplish, lead to production line equipment to drop into too much, the low and with high costs problem of production efficiency can accelerate lid cup production speed greatly, improves production efficiency and product quality, reduces the earlier stage input and the processing cost of production line.
Preferably, the center of the bottom of the upper mold core is provided with a concave cavity for adsorbing the cover cup, and the concave cavity is communicated with a vacuum pipeline arranged in the upper mold base. The cavity is used for forming a safety button at the top of the cover cup, and the vacuum channel is matched with the cavity and used for adsorbing the cover cup to enable the cover cup to rise along with the upper die when the cover cup is processed, so that the cover cup can be conveniently separated from the die.
Preferably, the bottom of the upper die base is provided with an upper die column, the upper die column is formed by downward and integral extension of the upper die base, the upper die core is fixed at the lower end of the upper die column, and the cover opening ring is sleeved on the outer sides of the upper die core and the upper die column.
Preferably, the lower die base is provided with a lower die column, the lower die column is formed by upward and integral extension of the lower die base, and the trimming knife and the lower die core are fixed on the lower die column.
Preferably, the top surface of the lower mold core is provided with an air hole which is communicated with a vertical air passage arranged in the lower mold core, the vertical air passage is communicated with the lower mold cavity through a transverse air passage arranged on the lower mold column, and a through hole communicated with the lower mold cavity is arranged on the female mold fixing seat close to the bottom of the lower mold cavity. The air holes and the vertical air passages on the lower mold core can be used for exhausting air between the mold and the sheet stock when the cover cup is formed, so that the sheet stock is tightly attached to the mold; and gas can be injected into the vertical air passage after the cover plate is formed, so that the cover plate is separated from the lower die.
Preferably, an inward convex ring which protrudes inwards is arranged on the inner wall of the upper end part of the capping ring, the inner wall of the inward convex ring is matched with the peripheral surface of the upper mold column, and the lower end face of the inward convex ring is opposite to the upper end face of the upper mold core; an outward convex ring protruding outwards is arranged on the outer wall of the upper end part of the cover opening ring, the outer peripheral surface of the outward convex ring is matched with the inner wall of the male and female die, and the lower end face of the outward convex ring is opposite to the upper end face of the step structure arranged on the inner wall of the male and female die. The inner convex ring and the outer convex ring are used for limiting the position relation of the up-and-down movement of the adjacent annular dies.
Preferably, sealing rings are arranged between the inner wall of the inner convex ring and the outer peripheral surface of the upper die column and between the outer peripheral surface of the outer convex ring and the inner wall of the punch-die, and the upper end part of the cover opening ring is provided with a piston structure capable of moving up and down in the upper die cavity.
Preferably, the discharging spring is sleeved on the guide post, the lower end of the guide post is fixed on the discharging ring, and the upper end of the guide post slidably penetrates through the upper die base.
Preferably, the outer edge of the lower part of the material pushing ring is provided with a bottom ring for limiting the material pushing ring to move upwards, the inner diameter of the female die is smaller than that of the female die fixing seat, and the upper end face of the bottom ring is opposite to the bottom face of the female die.
Preferably, a cylinder sleeve is arranged in the lower template, the piston is arranged in the cylinder sleeve, a sealing ring is arranged between the piston and the cylinder sleeve, and an air port communicated with the air cylinder is arranged on the side wall of the lower template.
The utility model discloses compound lid cup forming die's lid cup forming method fixes the last mould of mould on stamping equipment's slider, and the lower mould is fixed on stamping equipment's workstation, including following step:
a. the sheet material for processing the cover cup is placed between an upper die and a lower die, a cylinder is used for air inlet, a piston moves upwards to jack a material ejection ring through a mandril, an upper die cavity is used for air inlet, a cover opening ring moves downwards to be located at the lowest position, an upper die moves downwards, a material unloading ring is in contact with the sheet material, and a material unloading spring provides pressure to the material unloading ring through the material unloading mandril to keep the periphery of the sheet material still; the cover ring and the lower die core of the lower die act together to press the inner side of the sheet material so as to prevent the sheet material after blanking from wrinkling.
b. And the upper die continuously descends, the convex-concave die descends into the concave die, and the upper cutting edge on the outer edge of the convex-concave die and the lower cutting edge on the inner edge of the concave die cut the cover cup wafer from the sheet material to finish blanking.
c. The upper die continues to move downwards, the male die and the female die continue to press the outer edge of the cup-covered wafer under the combined action of the male die and the female die and integrally move downwards under the pushing of the male die and the female die, the cylinder applies blank holder force to the female die through the piston and the ejector rod, the cover-making ring and the lower die core continue to press the inner side of the sheet material under the combined action of the cover-making ring and the lower die core, the male die and the female die move downwards to stretch the outer edge of the cup-covered wafer downwards and cover the outer edge of the cup-covered wafer on the lower die.
d. And the upper die continues to move downwards, the upper die core extrudes the top of the cover cup, and the upper die core and the lower die core act together to form the top safety button of the cover cup.
e. And the upper die continues to move downwards, when the sliding block of the stamping equipment is close to a bottom dead center, the outer edge of the bottom of the cover cup is abutted against the trimming cutter below the lower die core, and the waste material ring at the outer edge of the cover cup is cut off.
f. A sliding block of the stamping equipment starts to drive an upper die to move upwards after passing through a lower dead point, a vacuum generator is used for vacuumizing a vacuum channel, a vacuum adsorption cover cup is formed in a cavity of an upper die core, the cover cup rises along with the upper die, when the upper die rises to a certain height, a cover plate is punched out through a material punching ring, and the cover cup is sent out of the die through a cover discharging tool; at the moment, the piston moves upwards to jack the material ejection ring through the ejector rod, the material ejection ring ejects the waste material ring out of the lower die, and the waste material ring is sent out of the die through the cover discharging tool, so that the composite stretch forming process of blanking, stretch forming, safety button forming and trimming is completed.
The utility model has the advantages that: it has solved prior art's lid cup effectively and has all adopted the branch process to accomplish, lead to production line equipment to drop into too much during processing, problem that production efficiency is low and with high costs, the utility model discloses a chronogenesis staggers and compounds a plurality of process shaping, accomplishes a plurality of shaping actions in a process stamping forming, has improved the production efficiency of product, has improved the quality of product, has reduced the earlier stage input of production line, has reduced the processing cost, has very high practical value.
Drawings
Fig. 1 is a schematic structural view of the composite cup and lid forming mold of the present invention;
fig. 2 is a schematic structural diagram of the die of the present invention when blanking the cup-covered wafer;
fig. 3 is a schematic structural view of the mold of the present invention when the cover and cup are stretched;
fig. 4 is a schematic structural view of the mold of the present invention during the formation of the safety button;
fig. 5 is a schematic structural view of the die of the present invention during trimming;
fig. 6 is a schematic structural view of the mold of the present invention during cap discharging;
FIG. 7 is an enlarged partial schematic view at A of FIG. 2;
FIG. 8 is an enlarged partial schematic view at B of FIG. 3;
FIG. 9 is an enlarged partial schematic view at C of FIG. 4;
FIG. 10 is an enlarged partial schematic view at D of FIG. 5;
fig. 11 is an enlarged partial schematic view at E in fig. 6.
In the figure: 1. the die comprises a lower die plate, a cylinder, a piston, a mandril, a lower die column, a vertical air passage, a material pushing ring, a lower die core, a material discharging ring, a cover beating ring, a step structure, a convex ring, an upper die column, a vacuum pipeline, an upper die base, an upper die plate, a discharging spring, an upper die cavity, an inner convex ring, an upper die core, a concave cavity, a concave convex die, a concave die, a side cutting knife, a bottom ring, a concave die fixing base, a lower die cavity, a lower die base, a cylinder sleeve, an air port, an ejector rod, a material, a cover cup and a waste material ring, wherein the ejector rod is arranged at 2, the cylinder is arranged at 3, the piston is arranged at 4.
Detailed Description
The following provides a further description of the embodiments of the present invention with reference to the accompanying drawings.
Example 1
In embodiment 1 shown in fig. 1, a composite cup-covering forming mold comprises an upper mold and a lower mold, wherein the upper mold comprises an upper mold plate 16, an upper mold base 15 is arranged on the bottom surface of the upper mold plate, the center of the upper mold base extends downwards to form an upper mold column 13, an upper mold core 20 is fixed at the lower end of the upper mold column, a cavity 21 for adsorbing a cup-covering is arranged in the center of the bottom of the upper mold core, and the cavity is communicated with a vacuum pipeline 14 arranged in the upper mold base; a cover ring 10 is arranged on the periphery of the upper mold core, the cover ring can be sleeved on the upper mold core and the upper mold column in a vertically sliding manner, a punch-die 22 is fixed on an upper mold base on the outer side of the cover ring, an upper cutting edge for blanking is formed on the outer side edge of the lower end part of the punch-die, and an upper mold cavity 18 for the cover ring to move up and down is formed between the punch-die and the upper mold base; an inward convex ring 19 which protrudes inwards is arranged on the inner wall of the upper end part of the capping ring, the inner wall of the inward convex ring is matched with the peripheral surface of the upper mold column, and the lower end surface of the inward convex ring is opposite to the upper end surface of the upper mold core; an outward convex ring 12 protruding outwards is arranged on the outer wall of the upper end part of the capping ring, the outer peripheral surface of the outward convex ring is matched with the inner wall of the male and female dies, and the lower end face of the outward convex ring is opposite to the upper end face of a step structure 11 arranged on the inner wall of the male and female dies; sealing rings are arranged between the inner wall of the inner convex ring and the outer peripheral surface of the upper mold column and between the outer peripheral surface of the outer convex ring and the inner wall of the convex-concave mold, and a piston structure capable of moving up and down in the upper mold cavity is formed at the upper end part of the cover opening ring. The outer side of the punch-die is sleeved with a discharging ring 9, the upper part of the discharging ring is connected with the upper die core through a discharging spring 17, the discharging spring is sleeved on the guide pillar, the lower end of the guide pillar is fixed on the discharging ring, and the upper end of the guide pillar is slidably arranged in the upper die base in a penetrating manner. The lower die comprises a lower die plate 1, a cylinder sleeve 29 is arranged in the lower die plate, the piston is arranged in the cylinder sleeve, a sealing ring is arranged between the piston and the cylinder sleeve, and an air port 30 communicated with the cylinder is arranged on the side wall of the lower die plate. A lower die base 28 is arranged above the lower die plate, the center of the lower die base extends upwards to form a lower die column 5, a trimming cutter 24 and a lower die core 8 are fixed on the lower die column, the top surface of the lower die core is provided with an air hole, the air hole is communicated with a vertical air passage 6 arranged in the lower die core, the vertical air passage is communicated with a lower die cavity through a transverse air passage arranged on the lower die column, and a through hole communicated with the lower die cavity is arranged on a female die fixing seat close to the bottom of the lower die cavity; the outer sides of the lower die core and the trimming knife are provided with a material pushing ring 7, the material pushing ring is sleeved on the outer sides of the lower die core and the trimming knife in a vertically sliding mode, the lower outer edge of the material pushing ring is provided with a bottom ring 25 for limiting the material pushing ring to move upwards, the inner diameter of the female die is smaller than that of the female die fixing seat, and the upper end face of the bottom ring is opposite to the bottom face of the female die. A female die fixing seat 26 is fixed on the lower die seat outside the material ejecting ring, a female die 23 is fixed on the female die fixing seat, a lower cutting edge corresponding to the upper cutting edge is arranged on the inner side edge of the upper end part of the female die, and a lower die cavity 27 capable of enabling the material ejecting ring to move up and down is formed on the inner side of the female die fixing seat; be equipped with cylinder 2 between lower bolster and the lower bolster, upwards extend on the piston 3 of cylinder has ejector pin 4, the upper end of ejector pin upwards passes the lower bolster and the lower terminal surface butt of liftout ring.
The method for forming the cover cup of the composite cover cup forming die in the embodiment 1 fixes the upper die of the die on the sliding block of the stamping device and fixes the lower die on the workbench of the stamping device, and includes the following steps:
a. the sheet material 31 for processing the cover cup is placed between an upper die and a lower die, the air cylinder is used for air inlet, the piston is moved upwards to jack up the material ejection ring through the ejector rod, the upper die cavity is used for air inlet, the cover opening ring is moved downwards to be located at the lowest position, the upper die is moved downwards, the material ejection ring is in contact with the sheet material, the material ejection spring is used for providing pressure to the material ejection ring through the material ejection rod, and the periphery of the sheet material is kept; the cover ring and the lower die core of the lower die act together to press the inner side of the sheet material so as to prevent the sheet material after blanking from wrinkling.
b. And the upper die continuously descends, the male die and the female die descend into the female die, and the upper cutting edge on the outer edge of the male die and the lower cutting edge on the inner edge of the female die cut the cover cup wafer from the sheet material to finish blanking (see fig. 2 and 7).
c. The upper die continues to move downwards, the male die and the female die continue to press the outer edge of the cup-covered wafer under the combined action of the male die and the female die and move downwards integrally under the pushing of the male die and the female die, the cylinder applies blank holder force to the female die through the piston and the ejector rod, the cover-making ring and the lower die core continue to press the inner side of the sheet material under the combined action of the cover-making ring and the lower die core, the male die and the female die move downwards to stretch the outer edge of the cup-covered wafer downwards and cover the outer edge of the cup-covered wafer on the lower die core to form a cup cover 32.
d. The upper die continues to descend, the upper die core extrudes the top of the cover cup, and the upper die core and the lower die core cooperate to form a top safety button of the cover cup (see fig. 4 and 9).
e. The upper die continues to descend, when a sliding block of the stamping device approaches a bottom dead center, the outer edge of the bottom of the cover cup is abutted to the trimming knife below the lower die core, and a waste ring 33 at the outer edge of the cover cup is cut off (see fig. 5 and 10).
f. A sliding block of the stamping equipment starts to drive an upper die to move upwards after passing through a lower dead point, a vacuum generator is used for vacuumizing a vacuum channel, a vacuum adsorption cover cup is formed in a cavity of an upper die core and rises along with the upper die (see figure 6 and figure 11), when the upper die rises to a certain height, a cover plate is punched out through a material punching ring, and the cover cup is sent out of the die through a cover discharging tool; at the moment, the piston moves upwards to jack the material ejection ring through the ejector rod, the material ejection ring ejects the waste material ring out of the lower die, and the waste material ring is sent out of the die through the cover discharging tool, so that the composite stretch forming process of blanking, stretch forming, safety button forming and trimming is completed.
The upper die and the lower die of the composite type cover cup forming die are of a combined structure in which a plurality of annular dies are nested inside and outside, the lower die plate is used for supporting the whole die and is a bottom plate of the die, the lower die is fixed on a working table surface of a punch through the lower die plate, and the lower die base is used for fixing other parts of the lower die; the upper die plate is a bottom plate fixed with the upper die, the whole upper die is fixed on the bottom surface of a slide block of the machine tool through the upper die plate, the upper die base is used for fixing parts of the upper die, and the upper part and the lower part of the die are respectively fixed on the upper working plane and the lower working plane of the punch through the supporting action of the upper die plate and the lower die plate, so that the periodical blanking forming movement is realized. The cylinder provides blank holder power, constitutes press device together with ejector pin, liftout circle, realizes the blank holder function, and the blank holder power when adjusting the entering atmospheric pressure size of cylinder and stretch forming. The female die fixing seat is mainly used for fixing the female die, and simultaneously, the blanking plane height of the female die can be adjusted to provide a stretching forming space. The female die is matched with the male die and the female die to punch the sheet material, so that the blanking function is realized; the discharging ring pushes out the waste material, so that the waste material ring is not sleeved on the punch-die. After the blanking action is finished, the male die and the female die continue to descend along with the upper die, interact with the lower die core and the upper die core, and stretch the sheet material for forming. After the cover cup is formed, the punch and the die continue to move downwards, and when the punch press is close to a bottom dead center, the punch and the die interact with the waste trimming cutter to cut the waste ring and the cover cup. After the completion, go up the mould and follow the slider and continue upwards operation to take the lid cup to go through vacuum adsorption, then beat the lid cup with the help of the ring of beating the lid, see the lid cup outside the mould through the effect of going out the lid frock, and the liftout circle resumes in-process and sends the waste material circle to the lower mould plane, see the waste material circle outside the mould through going out the lid frock, thereby accomplish compound stretch forming processes such as whole blanking, stretch forming, safety button shaping, side cut.
In addition to the above embodiments, the technical features or technical data of the present invention can be selected and combined again within the scope disclosed in the claims and the specification of the present invention to constitute a new embodiment, and those embodiments not described in detail in the present invention can be easily implemented by those skilled in the art without creative efforts, so that those embodiments not described in detail should be regarded as specific embodiments of the present invention and are within the protection scope of the present invention.

Claims (10)

1. A composite type cover cup forming die comprises an upper die and a lower die, and is characterized in that the upper die comprises an upper die plate (16), an upper die base (15) is arranged on the bottom surface of the upper die plate, an upper die core (20) is arranged at the bottom of the upper die base, a cover ring (10) is arranged on the periphery of the upper die core in a vertically sliding manner, a punch-die (22) is fixed on the upper die base outside the cover ring, an upper cutting edge for blanking is formed at the outer side edge of the lower end part of the punch-die, an upper die cavity (18) for the cover ring to move up and down is formed between the punch-die and the upper die base, a discharging ring (9) is sleeved on the outer side of the punch-die, and the upper part; the lower die comprises a lower die plate (1), a lower die base (28) is arranged above the lower die plate, a trimming cutter (24) and a lower die core (8) are fixed on the lower die base, a material ejecting ring (7) is arranged on the outer sides of the lower die core and the trimming cutter, the material ejecting ring is sleeved on the outer sides of the lower die core and the trimming cutter in a vertically sliding manner, a female die fixing seat (26) is fixed on the lower die base on the outer side of the material ejecting ring, a female die (23) is fixed on the female die fixing seat, a lower cutting edge corresponding to the upper cutting edge is arranged on the inner side edge of the upper end part of the female die, and a lower die cavity (27) for the material ejecting; be equipped with cylinder (2) between lower bolster and the lower bolster, upwards extend on piston (3) of cylinder has ejector pin (4), the upper end of ejector pin upwards passes the lower bolster and the lower terminal surface butt of liftout ring.
2. A composite cup-covering forming die according to claim 1, wherein a cavity (21) for sucking the cup-covering is formed in the center of the bottom of the upper die core, and the cavity is communicated with a vacuum pipe (14) arranged in the upper die base.
3. A composite type mold for forming a cup with a covered cup as claimed in claim 1, wherein the bottom of the upper mold base is provided with an upper mold pillar (13), the upper mold pillar is formed by extending the upper mold base downward integrally, the upper mold core is fixed at the lower end of the upper mold pillar, and the covering ring is sleeved on the outer side of the upper mold core and the upper mold pillar.
4. The compound type forming die for the cup with the capped cup as claimed in claim 1, wherein a lower die column (5) is arranged on the lower die base, the lower die column is formed by integrally extending the lower die base upwards, and the trimming cutter (24) and the lower die core (8) are fixed on the lower die column.
5. A compound type cover cup forming die according to claim 4, wherein the top surface of the lower die core is provided with an air hole which is communicated with a vertical air passage (6) arranged in the lower die core, the vertical air passage is communicated with the lower die cavity through a transverse air passage arranged on the lower die column, and a through hole communicated with the lower die cavity is arranged on a female die fixing seat close to the bottom of the lower die cavity.
6. A compound type cover cup forming die as claimed in claim 3, wherein an inward convex ring (19) which protrudes inwards is arranged on the inner wall of the upper end part of the cover ring, the inner wall of the inward convex ring is matched with the outer peripheral surface of the upper die column, and the lower end surface of the inward convex ring is opposite to the upper end surface of the upper die core; an outward convex ring (12) protruding outwards is arranged on the outer wall of the upper end part of the cover opening ring, the outer peripheral surface of the outward convex ring is matched with the inner wall of the convex-concave die, and the lower end face of the outward convex ring is opposite to the upper end face of a step structure (11) arranged on the inner wall of the convex-concave die.
7. A compound type cover cup forming die as claimed in claim 6, wherein sealing rings are provided between the inner wall of the inner convex ring and the outer peripheral surface of the upper die column, and between the outer peripheral surface of the outer convex ring and the inner wall of the male and female dies, and the upper end of the cover opening ring forms a piston structure capable of moving up and down in the upper die cavity.
8. The composite type mold for forming a cup lid as claimed in claim 1, wherein the discharge spring is sleeved on a guide post, a lower end of the guide post is fixed on the discharge ring, and an upper end of the guide post is slidably inserted into the upper mold base.
9. A composite type cover cup forming die according to claim 1, wherein a bottom ring (25) for limiting the upward movement of the ejection ring is arranged on the outer edge of the lower portion of the ejection ring, the inner diameter of the female die is smaller than that of the female die fixing seat, and the upper end surface of the bottom ring is opposite to the bottom surface of the female die.
10. The compound type cover cup forming die of any one of claims 1 to 9, wherein a cylinder sleeve (29) is arranged in the lower die plate, the piston is arranged in the cylinder sleeve, a sealing ring is arranged between the piston and the cylinder sleeve, and an air port (30) communicated with the cylinder is arranged on the side wall of the lower die plate.
CN201920186252.6U 2019-02-02 2019-02-02 Compound lid cup forming die Active CN210098684U (en)

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Application Number Priority Date Filing Date Title
CN201920186252.6U CN210098684U (en) 2019-02-02 2019-02-02 Compound lid cup forming die

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201920186252.6U CN210098684U (en) 2019-02-02 2019-02-02 Compound lid cup forming die

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Publication Number Publication Date
CN210098684U true CN210098684U (en) 2020-02-21

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Application Number Title Priority Date Filing Date
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111360152A (en) * 2020-03-19 2020-07-03 绍兴市蓝也机械有限公司 Adjusting mechanism and adjusting method of high-precision hardware stamping die

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111360152A (en) * 2020-03-19 2020-07-03 绍兴市蓝也机械有限公司 Adjusting mechanism and adjusting method of high-precision hardware stamping die
CN111360152B (en) * 2020-03-19 2021-05-14 杭州光大金属制品有限公司 Adjusting mechanism and adjusting method of high-precision hardware stamping die

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