CN110227768B - Stereo pattern bottle cap bulging die and processing method of stereo pattern bottle cap - Google Patents

Stereo pattern bottle cap bulging die and processing method of stereo pattern bottle cap Download PDF

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Publication number
CN110227768B
CN110227768B CN201910562909.9A CN201910562909A CN110227768B CN 110227768 B CN110227768 B CN 110227768B CN 201910562909 A CN201910562909 A CN 201910562909A CN 110227768 B CN110227768 B CN 110227768B
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CN
China
Prior art keywords
bottle cap
forming
ejector rod
bulging
molding
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CN201910562909.9A
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Chinese (zh)
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CN110227768A (en
Inventor
税刚
郑建国
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Sichuan Longxin Technology Packing Co ltd
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Sichuan Longxin Technology Packing Co ltd
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Publication of CN110227768A publication Critical patent/CN110227768A/en
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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21DWORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D37/00Tools as parts of machines covered by this subclass
    • B21D37/10Die sets; Pillar guides
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21DWORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D51/00Making hollow objects
    • B21D51/16Making hollow objects characterised by the use of the objects
    • B21D51/38Making inlet or outlet arrangements of cans, tins, baths, bottles, or other vessels; Making can ends; Making closures
    • B21D51/44Making closures, e.g. caps
    • B21D51/48Making crown caps

Abstract

The invention relates to the field of bottle cap production equipment, and discloses a stereoscopic pattern bottle cap bulging die and a processing method of a stereoscopic pattern bottle cap. The stereo pattern bottle cap bulging die comprises a forming part and a jacking part. The forming part is internally provided with a forming chamber. A forming core is arranged in the forming chamber. The inner wall of the forming chamber is umbrella-shaped and provided with a plurality of rails, the matching rails are provided with a plurality of forming sliding blocks, and the forming sliding blocks and the forming cores are mutually abutted and can be enclosed into a cylindrical forming cavity with one end open. The inner wall of the forming cavity is concavely provided with a plurality of patterns. The jacking part comprises a jacking rod, a jacking sleeve and bulging rubber arranged at one end of the jacking rod. The top sleeve is sleeved on the ejector rod and can slide relative to the ejector rod, and the top sleeve is connected with the ejector rod through an elastic piece. The bottle cap cover is arranged at one end of the ejector rod provided with bulging rubber and is sent into a forming cavity in the forming chamber, and the bulging rubber is bulged in the forming cavity to form a pattern on the bottle cap.

Description

Stereo pattern bottle cap bulging die and processing method of stereo pattern bottle cap
Technical Field
The invention relates to the field of bottle cap production equipment, in particular to a three-dimensional pattern bottle cap bulging die and a processing method of the three-dimensional pattern bottle cap.
Background
With the improvement of life quality, people have higher requirements on quality of commodities and product packaging.
An existing aluminum bottle cap. The cover top and the side wall of the bottle cover are both provided with three-dimensional patterns, namely the patterns protrude out of the outer wall of the bottle cover. The bottle cap is attractive and elegant, but the cost for producing the outer cap is high and the efficiency is low. Therefore, there is an urgent need for a stereoscopic pattern bottle cap bulging mold to improve production efficiency.
Disclosure of Invention
The invention aims to provide a bulging die for a three-dimensional pattern bottle cap and a processing method for the three-dimensional pattern bottle cap, which can conveniently process the three-dimensional pattern bottle cap.
Embodiments of the present invention are implemented as follows:
a three-dimensional pattern bottle cap bulging die which is matched with a bottle cap for use; the bottle cap is in a cylinder shape with one end open; the method is characterized in that: comprises a forming part and a jacking part; a forming chamber is arranged in the forming part; a forming core is arranged in the forming chamber; the inner wall of the forming chamber is umbrella-shaped and provided with a plurality of rails; one ends of the rails gathered together are close to the forming core; the inside of the molding chamber is also matched with the rails to be provided with a plurality of molding sliding blocks, so that when the plurality of molding sliding blocks slide to the molding core, the plurality of molding sliding blocks and the molding core are mutually abutted to form a cylindrical molding cavity with one end open, or when the plurality of molding sliding blocks slide to one end of the plurality of rails which are scattered, the plurality of molding sliding blocks are mutually separated; the inner wall of the forming cavity is concavely provided with a plurality of patterns;
the jacking part comprises a push rod, a push sleeve and bulging rubber arranged at one end of the push rod; the bottle cap is buckled at one end of the ejector rod, where the bulging rubber is arranged; the top sleeve is sleeved on the ejector rod and can slide relative to the ejector rod, so that the top sleeve pushes a plurality of forming sliding blocks to slide towards the forming core when one end of the ejector rod, which is provided with the bulging rubber, moves towards the forming chamber; the top sleeve is connected with the ejector rod through an elastic piece, so that the ejector rod can continue pushing in a sliding manner relative to the top sleeve when the top sleeve pushes the forming sliding block to the forming core.
Further, a chute is arranged on the inner wall of the forming chamber; the molding core is provided with a bump in cooperation with the chute, so that the molding core can slide along the chute in the molding chamber far away from or near to the track; and a compression spring is arranged at one end of the molding core, which is far away from the track, so that the molding core can push a plurality of molding sliding blocks to slide to one ends of the track, which are scattered.
Further, a driving rod capable of pushing the molding core to move towards one ends of the plurality of tracks which are scattered is further arranged at one end of the molding core away from the tracks
Further, the bottle cap is provided with a positioning notch; the ejector rod is also sleeved with a sliding sleeve in a sliding manner, and the sliding sleeve is connected with the ejector rod through an ejection spring sleeved on the ejector rod; the outer wall of the ejector rod is provided with a sliding groove along the arrangement direction of the ejector rod, and the sliding sleeve is matched with the sliding groove and provided with a sliding block so as to enable the sliding sleeve to slide along the sliding groove; the sliding sleeve is also matched with the positioning notch to be provided with a positioning bulge, so that the positioning bulge is accommodated in the positioning notch when the bottle cap is buckled on the ejector rod.
Further, a die holder is arranged at one end of the ejector rod, which is far away from the bulging rubber; a push rod is arranged on one side, away from the ejector rod, of the die holder; the push rod sleeve is provided with two clamping plates and a plurality of ejection devices clamped between the two clamping plates; a clamping plate close to the die holder is provided with a plurality of jacking rods; the plurality of jacking rods can pass through the die holder in a sliding way and extend to be abutted with the jacking sleeve.
A processing method of a three-dimensional pattern bottle cap is characterized in that: use of the stereoscopic pattern bottle cap bulging die of any one of claims 1-5; the processing method comprises the following steps:
s1, printing a capping pattern on an aluminum plate to be drawn;
s2, deep drawing the plate to be deep drawn, so that the pattern of the top cover is positioned on the top surface of the bottle cap after deep drawing;
s3, buckling the bottle cap at one end of the ejector rod where the bulging rubber is arranged, and enabling the ejector rod to drive the bottle cap to enter the forming chamber to bulge;
s4, printing a side wall pattern or a gold stamping side wall pattern on the outer side wall of the bottle cap after bulging.
Further, when the bottle cap is placed at one end of the bulging rubber arranged on the ejector rod, the positioning bulge is accommodated in the positioning notch of the bottle cap.
The beneficial effects of the invention are as follows:
when the bottle cap is used, the bottle cap is covered at one end of the ejector rod provided with the bulging rubber, and then the ejector rod sends the bottle cap into the forming chamber. In the process that the bottle cap enters the forming chamber along with the ejector rod, the ejector sleeve enters the forming chamber along with the ejector rod to push the forming sliding blocks to slide towards the forming core. When the forming sliding blocks slide and are abutted against the forming core, the forming sliding blocks are abutted against each other; simultaneously, a plurality of shaping sliders all support with the shaping core for a plurality of shaping sliders support each other with the shaping core and enclose into one end open-ended tube-shape and take shape the die cavity. At this time, one end of the top of the bottle cap is accommodated in the molding cavity. Finally, the ejector rod continuously pushes in, so that the bulging rubber is extruded and expanded. In the expansion process of the bulging rubber, one end of the top of the bottle cap is contained in the forming cavity, so that one end of the bottle cap is bulged to be in the shape of the forming cavity. The inner wall of the mould cavity is concavely provided with a plurality of patterns, which causes the outer wall of the bottle cap to be swelled to form the patterns.
The bulging die can rapidly bulge the bottle cap, and greatly improves the production efficiency of the bottle cap.
When the ejector rod extrudes the bulging rubber to bulge, the forming sliding block can slide away from the forming core due to the force applied to the forming sliding block. At this time, the elastic piece is tightly propped against the top sleeve, so that the forming sliding block is prevented from retreating. Meanwhile, in the process of jacking the jacking rod, the elastic piece is gradually extruded, so that the elastic force is gradually increased to adapt to the retraction force of the forming sliding block. The tight degree of pushing up when the bulging is ensured, so that the bulging quality is stable and reliable.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is an enlarged view at b in FIG. 1;
FIG. 3 is an enlarged view of FIG. 1 at a;
FIG. 4 is a schematic view of a forming shoe.
Icon: 100-bottle cap, 110-positioning notch, 210-forming part, 211-forming chamber, 212-forming core, 2121-bump, 2122-compression spring, 2123-rod, 213-track, 214-forming slide, 2141-pattern, 215-chute, 220-jacking part, 221-ejector pin, 2211-sliding sleeve, 2212-ejection spring, 2213-sliding groove, 2214-sliding block, 2215-positioning protrusion, 222-ejector sleeve, 223-bulging rubber, 224-die holder, 225-push rod, 226-ejector, 227-ejector rod, 228-clamping plate.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the described embodiments are some embodiments of the present invention, but not all embodiments of the present invention. The components of the embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the invention, as presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures.
In the description of the present invention, it should be noted that, directions or positional relationships indicated by terms such as "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., are directions or positional relationships based on those shown in the drawings, or are directions or positional relationships conventionally put in use of the inventive product, are merely for convenience of describing the present invention and simplifying the description, and are not indicative or implying that the apparatus or element to be referred to must have a specific direction, be constructed and operated in a specific direction, and thus should not be construed as limiting the present invention.
In the description of the present invention, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
Examples:
referring to fig. 1-4, the present embodiment provides a stereoscopic pattern bottle cap bulging mold, which is matched with a bottle cap 100. Including a forming section 210 and a jacking section 220. A molding chamber 211 is provided inside the molding portion 210. A molding core 212 is provided in the molding chamber 211. The inner wall of the forming chamber 211 is umbrella-shaped and provided with a plurality of rails 213. The gathered ends of the rails 213 are all adjacent to the forming core 212. The forming chamber 211 is also provided with a plurality of forming sliding blocks 214 in cooperation with the rail 213, and when the forming sliding blocks 214 slide to the forming core 212 along the rail 213, the forming sliding blocks 214 are mutually abutted with the forming core 212 to form a forming cavity; when the plurality of forming sliders 214 slide along the rails 213 to one end of the plurality of rails 213, the plurality of forming sliders 214 are separated from each other. The molding cavity is shaped like a cylinder with one end open, and the inner wall of the molding cavity is concavely provided with a plurality of patterns 2141. In practice, there are 5 tracks 213, 5 molding sliders 214 are provided in cooperation with the tracks 213, and each of the inner walls of the molding sliders 214 is provided with a pattern 2141. Meanwhile, the molding core 212 is also provided with a pattern 2141; after the mold cavity is enclosed, the pattern 2141 is located on the inner wall of the mold cavity.
The jacking portion 220 includes a jacking rod 221, a jacking sleeve 222, and an expanded rubber 223 provided at one end of the jacking rod 221. The bottle cap 100 is fastened to one end of the push rod 221 where the bulging rubber 223 is provided. The top cover 222 is sleeved on the top rod 221, so that when one end of the top rod 221 provided with the bulging rubber 223 moves into the forming chamber 211, the top cover 222 pushes the forming sliding blocks 214 to slide towards the forming core 212. The top cover 222 is slidably connected to the top rod 221 through an elastic member, so that when the top cover 222 pushes the molding slide 214 to the molding core 212, the top rod 221 can be slidably pushed with respect to the top cover 222.
In use, the cap 100 is placed on the end of the ejector 221 where the bulging rubber 223 is provided, and then the ejector 221 feeds the cap 100 into the molding chamber 211. In the process that the bottle cap 100 enters the forming chamber 211 along with the ejector rod 221, the top sleeve 222 enters the forming chamber 211 along with the ejector rod 221 to push the forming sliding blocks 214 to slide towards the forming core 212. When the plurality of molding sliders 214 slide and abut against the molding cores 212, the plurality of molding sliders 214 abut against each other. Meanwhile, the plurality of forming sliders 214 are all abutted against the forming core 212, so that the plurality of forming sliders 214 and the forming core 212 are abutted against each other to enclose a cylindrical forming cavity with one end open. At this time, the cap top end of the bottle cap 100 is accommodated in the molding cavity. Finally, the jack 221 continues to jack, so that the bulging rubber 223 is extruded to expand. In the expansion process of the expansion rubber 223, one end of the cap 100 is expanded to form the shape of the forming cavity because the cap top end of the cap 100 is accommodated in the forming cavity. The inner wall of the mold cavity is concavely provided with a plurality of patterns 2141, which causes the outer wall of the closure 100 to be expanded to form the patterns 2141.
The bulging die can rapidly bulge the bottle cap 100, and greatly improves the production efficiency of the bottle cap 100.
When the ejector pin 221 presses the bulging rubber 223 to bulge, the forming slider 214 may slide in a direction away from the forming core 212 due to a force applied to the forming slider 214. At this time, the elastic member tightly pushes the top cover 222 to avoid the retraction of the forming slide 214. Meanwhile, in the process of propping up the ejector rod 221, the elastic piece is gradually extruded, so that the elastic force is gradually increased to adapt to the retraction force of the forming slide block 214. The tight degree of pushing up when the bulging is ensured, so that the bulging quality is stable and reliable.
After the bulging is completed, the ejector rod 221 is gradually withdrawn from the forming cavity, and the ejector rod 221 is gradually released from the die. The production efficiency is high.
Further, the inner wall of the forming chamber 211 is provided with a chute 215. The forming core 212 is provided with a bump 2121 in cooperation with the slide slot 215 such that the bump 2121 slides within the slide slot 215. The forming core 212 is slidable along a chute 215 within the forming chamber 211 away from or towards the rail 213. The end of the molding core 212 remote from the rails 213 is provided with compression springs 2122 so that the molding core 212 can push the molding slides 214 to the end where the rails 213 diverge. In the process that the ejector rod 221 gradually exits the forming cavity, the elastic force of the compression spring 2122 gradually slides the forming core 212 towards the end where the plurality of rails 213 are dispersed, so as to push the plurality of forming sliders 214 to slide towards the end where the plurality of rails 213 are dispersed. When the forming sliding blocks 214 slide towards one ends of the dispersing rails 213, the forming sliding blocks 214 are gradually dispersed, so that the bottle cap 100 after bulging is gradually separated from the forming sliding blocks 214, the demolding is facilitated, and the forming sliding blocks 214 are reset to wait for the next bulging.
Meanwhile, the bottle cap 100 after bulging is gradually pushed out in the moving process of the forming core 212, so that the bottle cap 100 is prevented from being detained in the forming cavity to influence the next bulging. The provision of the bumps 2121 and the runners 215 also prevents the shaping core 212 from rotating within the shaping chamber 211 such that the orientation of the pattern 2141 of the shaping core 212 is consistent.
Further, the end of the shaping core 212 remote from the rails 213 is also provided with a beater bar 2123 which can push the shaping core 212 towards the end of the plurality of rails 213. In practice, it may be the case that compression spring 2122 cannot push forming core 212. At this time, the forming core 212 can be pushed by the rod 2123, and the reliability of the use of the mold can be ensured.
Further, the bottle cap 100 is provided with a positioning notch 110. The ejector rod 221 is also slidably sleeved with a sliding sleeve 2211, and the sliding sleeve 2211 is connected to the ejector rod 221 through an ejector spring 2212 sleeved on the ejector rod 221. The outer wall of the push rod 221 is provided with a slide groove 2213 along the direction in which the push rod 221 is disposed, and the slide sleeve 2211 is provided with a slide block 2214 in cooperation with the slide groove 2213 so that the slide sleeve 2211 slides along the slide groove 2213. The sliding sleeve 2211 is further provided with a positioning protrusion 2215 in cooperation with the positioning notch 110, so that the positioning protrusion 2215 is accommodated in the positioning notch 110 when the bottle cap 100 is buckled on the top rod 221. This allows the orientation of the caps 100 to be fixed and non-rotatable after the caps 100 are placed on the carrier 221, such that the expanded pattern 2141 is fixed in position and orientation of each cap 100.
Upon bulging, the ejector spring 2212 is gradually compressed. In the process that the ejector rod 221 gradually exits from the forming chamber 211, the ejector spring 2212 gradually resets to push the sliding sleeve 2211 to the side of the ejector rod 221 where the pad of the bulging rubber 223 is arranged, so as to push out the bottle cap 100. The bottle cap 100 is conveniently removed.
Further, the ejector pin 221 is provided with a die holder 224 at an end remote from the bulging rubber 223. A push rod 225 is arranged on one side of the die holder 224 away from the push rod 221. The push rod 225 is sleeved with two clamping plates 228 and a plurality of ejection devices 226 clamped between the two clamping plates 228. A clamping plate 228 adjacent the die holder 224 is provided with a plurality of hold-down bars 227. The plurality of hold-down bars 227 are slidably disposed through the die holder 224 and extend into abutment with the top sleeve 222. In practice, the ejector 226 is a rubber pad. Pushing the push rod 225 pushes the push rod 221 into the forming chamber 211. When the top cover 222 pushes the forming slide blocks 214 to the gathered end of the rails 213, the forming slide blocks 214 cannot be pushed forward, i.e. the top cover 222 cannot be pushed into the forming chamber 211 when the top rod 221 is pushed into the forming chamber 211. After the mold cavity is enclosed, closure 100 is positioned within the mold cavity. At this time, the jack 221 is required to be pushed further into the molding chamber 211 to expand the expansion rubber 223 to expand. During the bulging process, the ejector rod 221 gradually ejects into the forming chamber 211, and the ejector sleeve 222 causes the clamping plates 228 provided with the ejector rod 227 to slide relative to the push rod 225 to clamp the ejector 226 between the two clamping plates 228 to deform. The deformation of ejector 226 may counteract the relative displacement of top sleeve 222 and top rod 221, so that top rod 221 may continue to push in. Meanwhile, the larger the jacking distance of the ejector rod 221 is, the larger the stress of the forming slide block 214 is, and the larger the retraction force of the forming slide block 214 is; at this time, the deformation of the ejector 226 is larger, that is, the elastic force of the ejector 226 is larger, so that the forming slide block 214 is ensured not to be retracted in the bulging process, and the stability of the die is ensured.
In the production process of the three-dimensional pattern bottle cap, the expansion mould of the three-dimensional pattern bottle cap is needed. The production process comprises the following steps:
s1, printing a capping pattern 2141 on the aluminum plate to be drawn.
S2, drawing the plate to be drawn, so that the pattern 2141 of the top cover is positioned on the top surface of the drawn bottle cap 100.
S3, the bottle cap 100 is buckled at one end of the ejector rod 221 provided with the bulging rubber 223, and the positioning protrusion 2215 is contained in the positioning notch 110 of the bottle cap 100. So that the push rod 221 drives the bottle cap 100 into the forming chamber 211 to expand.
S4, printing a side wall pattern 2141 or a gold stamping side wall pattern 2141 on the outer side wall of the bottle cap 100 after bulging.
The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, but various modifications and variations can be made to the present invention by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (7)

1. A bottle cap bulging die with a three-dimensional pattern, which is matched with a bottle cap (100); the bottle cap (100) is in a cylinder shape with one end open; the method is characterized in that: comprises a molding part (210) and a jacking part (220); a molding chamber (211) is arranged in the molding part (210); a molding core (212) is arranged in the molding chamber (211); the inner wall of the forming chamber (211) is umbrella-shaped and provided with a plurality of tracks (213); one end of the plurality of rails (213) gathered is close to the forming core (212); a plurality of forming sliding blocks (214) are arranged in the forming chamber (211) in cooperation with the rails (213) so that when the forming sliding blocks (214) slide to the forming core (212), the forming sliding blocks (214) are mutually abutted with the forming core (212) to form a cylindrical forming cavity with one end open, or when the forming sliding blocks (214) slide to one end of the rails (213) which are scattered, the forming sliding blocks (214) are mutually separated; the inner wall of the forming cavity is concavely provided with a plurality of patterns (2141);
the jacking part (220) comprises a jacking rod (221), a jacking sleeve (222) and bulging rubber (223) arranged at one end of the jacking rod (221); the bottle cap (100) is buckled at one end of the ejector rod (221) where the bulging rubber (223) is arranged; the top sleeve (222) is sleeved on the ejector rod (221), so that when one end of the ejector rod (221) provided with the bulging rubber (223) moves into the forming chamber (211), the top sleeve (222) pushes a plurality of forming sliding blocks (214) to slide towards the forming core (212); the top sleeve (222) is slidably connected with the ejector rod (221) through an elastic piece, so that the ejector rod (221) can be slidably pushed continuously relative to the top sleeve (222) when the top sleeve (222) pushes the forming sliding block (214) to the forming core (212).
2. The stereoscopic pattern bottle cap bulging die according to claim 1, wherein: a chute (215) is arranged on the inner wall of the forming chamber (211); the molding core (212) is provided with a bump (2121) matched with the sliding chute (215) so that the molding core (212) can slide along the sliding chute (215) in the molding chamber (211) far away from or near to the track (213); the end of the molding core (212) far away from the track (213) is provided with a compression spring (2122) so that the molding core (212) can push a plurality of molding sliding blocks (214) to slide to the end of the track (213) which is scattered.
3. The stereoscopic pattern bottle cap bulging die according to claim 2, wherein: one end of the molding core (212) far away from the track (213) is also provided with a beating rod (2123) which can push the molding core (212) to move towards one ends of the plurality of tracks (213) which are scattered.
4. The stereoscopic pattern bottle cap bulging die according to claim 1, wherein: the bottle cap (100) is provided with a positioning notch (110); the ejector rod (221) is also sleeved with a sliding sleeve (2211) in a sliding manner, and the sliding sleeve (2211) is connected to the ejector rod (221) through an ejection spring (2212) sleeved on the ejector rod (221); the outer wall of the ejector rod (221) is provided with a sliding groove (2213) along the direction in which the ejector rod (221) is arranged, the sliding sleeve (2211) is matched with the sliding groove (2213) and is provided with a sliding block (2214), so that the sliding sleeve (2211) slides along the sliding groove (2213); the sliding sleeve (2211) is also matched with the positioning notch (110) to be provided with a positioning protrusion (2215), so that the positioning protrusion (2215) is accommodated in the positioning notch (110) when the bottle cap (100) is buckled on the ejector rod (221).
5. The stereoscopic pattern bottle cap bulging die according to claim 1, wherein: one end of the ejector rod (221) far away from the bulging rubber (223) is provided with a die holder (224); a push rod (225) is arranged on one side, far away from the ejector rod (221), of the die holder (224); the push rod (225) is sleeved with two clamping plates (228) and a plurality of ejection devices (226) clamped between the two clamping plates (228); a clamping plate (228) close to the die holder (224) is provided with a plurality of jacking rods (227); a plurality of jacking rods (227) slidably pass through the die holder (224) and extend to abut against the jacking sleeve (222).
6. A processing method of a three-dimensional pattern bottle cap is characterized in that: use of the stereoscopic pattern bottle cap bulging die of any one of claims 1-5; the processing method comprises the following steps:
s1, printing a capping pattern (2141) on an aluminum plate to be deep drawn;
s2, deep drawing the plate to be deep drawn, so that the pattern (2141) of the top cover is positioned on the top surface of the bottle cap (100) after deep drawing;
s3, buckling the bottle cap (100) at one end of the ejector rod (221) provided with the bulging rubber (223), and enabling the ejector rod (221) to drive the bottle cap (100) to enter the forming chamber (211) for bulging;
s4, printing a side wall pattern (2141) or a gold stamping side wall pattern (2141) on the outer side wall of the bottle cap (100) after bulging.
7. The method for manufacturing the bottle cap with the stereoscopic pattern according to claim 6, which is characterized in that: when the bottle cap (100) is placed at one end of the ejector rod (221) where the bulging rubber (223) is arranged, the positioning protrusion (2215) is accommodated in the positioning notch (110) of the bottle cap (100).
CN201910562909.9A 2019-06-26 2019-06-26 Stereo pattern bottle cap bulging die and processing method of stereo pattern bottle cap Active CN110227768B (en)

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CN203091534U (en) * 2013-01-12 2013-07-31 成都海川制盖有限公司 Bottle cap bulging die with stereo patterns
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CN210208387U (en) * 2019-06-26 2020-03-31 四川省隆鑫科技包装有限公司 Bulging die for bottle cap with three-dimensional pattern

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