CN115488257B - A device for continuously making metal square cans with expanded ribs and rounded mouths - Google Patents
A device for continuously making metal square cans with expanded ribs and rounded mouths Download PDFInfo
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- CN115488257B CN115488257B CN202211354251.0A CN202211354251A CN115488257B CN 115488257 B CN115488257 B CN 115488257B CN 202211354251 A CN202211354251 A CN 202211354251A CN 115488257 B CN115488257 B CN 115488257B
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- rib
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- rolling
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D51/00—Making hollow objects
- B21D51/16—Making hollow objects characterised by the use of the objects
- B21D51/26—Making hollow objects characterised by the use of the objects cans or tins; Closing same in a permanent manner
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D37/00—Tools as parts of machines covered by this subclass
- B21D37/10—Die sets; Pillar guides
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D51/00—Making hollow objects
- B21D51/16—Making hollow objects characterised by the use of the objects
- B21D51/26—Making hollow objects characterised by the use of the objects cans or tins; Closing same in a permanent manner
- B21D51/2615—Edge treatment of cans or tins
- B21D51/2623—Curling
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D51/00—Making hollow objects
- B21D51/16—Making hollow objects characterised by the use of the objects
- B21D51/26—Making hollow objects characterised by the use of the objects cans or tins; Closing same in a permanent manner
- B21D51/2615—Edge treatment of cans or tins
- B21D51/263—Flanging
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Forging (AREA)
- Shaping Metal By Deep-Drawing, Or The Like (AREA)
Abstract
一种金属方罐的胀筋和罐口卷圆连续制作装置。本发明是为了解决现有技术存在不能安装在自动连续生产设备上和成型装置结构不完善等问题。技术方案：包括机座及其上的胀筋机构、罐口卷圆冲模和驱动机构，机座装在制作金属方罐罐身自动输送线上方机架，驱动机构装在上部，胀筋机构和罐口卷圆冲模装在下部，机座下部有四个外侧板和底板，胀筋机构包括胀筋内模、胀筋外模、伸缩性胀型圈、胀筋内模回位缩圈和胀筋外模驱动器，驱动机构的驱动头与胀筋内模驱动配合，每二块相邻胀筋内模间均有张开补偿模块，罐口卷圆冲模设于胀筋内模上方并由驱动机构控制其上下运动，罐口卷圆冲模底面设有卷圆成型槽，卷圆成型槽与胀筋内模的顶面外角部作卷圆作业配合。
A continuous manufacturing device for expanding ribs and rolling the mouth of a metal square can. The invention aims to solve the problems that the prior art cannot be installed on automatic continuous production equipment and the forming device structure is imperfect. Technical solution: It includes a machine base and an expanding rib mechanism, a can mouth rolling die and a driving mechanism thereon. The machine base is installed on the upper frame of the automatic conveyor line for making the can body of a metal square can, the driving mechanism is installed on the upper part, the expanding rib mechanism and the can mouth rolling die are installed on the lower part, and the lower part of the machine base has four outer plates and a bottom plate. The expanding rib mechanism includes an expanding rib inner die, an expanding rib outer die, a telescopic expanding ring, an expanding rib inner die return shrinking ring and an expanding rib outer die driver. The driving head of the driving mechanism cooperates with the expanding rib inner die drive, and there is an opening compensation module between each two adjacent expanding rib inner dies. The can mouth rolling die is arranged above the expanding rib inner die and its up and down movement is controlled by the driving mechanism. The bottom surface of the can mouth rolling die is provided with a rolling forming groove, and the rolling forming groove cooperates with the outer corner of the top surface of the expanding rib inner die for rolling operation.
Description
Technical Field
The invention relates to a working device on metal packaging can manufacturing equipment, in particular to a continuous manufacturing device for a bulge rib and a barrel opening rolling circle of a metal square can.
Background
The metal square can is a metal packaging can with a square top and a square cross section, and when the metal square can is manufactured, the edge of the can opening is generally required to be rolled into the can, and a circle of reinforcing ribs are outwards bulged on the wall of the can below the can opening. In the production of manufacturing metal square cans, two processes of can opening rounding and can wall rib expansion are often completed by continuous actions of one manufacturing device.
A multi-working-procedure composite forming die for a food can body disclosed in China patent application 201910604896.7 is a manufacturing device for finishing two procedures of can opening rolling and can wall rib expanding through continuous action of a working device. The structure of the food can comprises a lower die assembly, wherein the lower die assembly comprises a lower die plate, a molding outer die frame, a rib wire expansion core die, a wedge block, a flanging outer die frame and a flanging expansion core die, the flanging outer die frame is arranged on the lower die plate, the flanging expansion core die is arranged on the lower die plate and positioned in the flanging outer die frame, the wedge block is arranged in the flanging expansion core die, the molding outer die frame is arranged on the flanging outer die frame, the rib wire expansion core die is arranged on the flanging expansion core die and positioned in the molding outer die frame, a can body cavity which is matched with the appearance of the can body of the food can is formed between the rib wire expansion core die and the molding outer die frame, rib wire raised strips and rib wire grooves which correspond to each other in position are respectively arranged on the outer side wall of the rib wire expansion core die and the inner side wall of the molding outer die frame, and a core punching cavity is formed at the top of the rib wire expansion core die; the upper die assembly comprises an upper die plate, an upper die and an upper punching core, wherein inclined wedges which are vertically arranged are arranged around the upper die plate, the upper die is arranged at the bottom of the upper die plate and is positioned above the rib core-expanding die, the upper punching core is arranged at the bottom of the upper die and corresponds to the punching core cavity, when the upper punching core is inserted into the corresponding punching core cavity, the upper punching core can force the rib core-expanding die to scatter around, and each inclined wedge limit can force the forming outer die frame to move inwards so as to enable the rib convex strips to extend into the rib grooves, and along with the continuous decline of the upper punching core, the wedge blocks are pressed against the wedge blocks so as to force the edge-expanding die to scatter around so as to jointly complete edge folding of the bottom opening of the tank body with the edge-folding outer die frame, the bottom of the upper template is also provided with a rolling groove for propping against the upper top opening part of the tank body to roll the tank body. The manufacturing device has the defects that firstly, the device is not suitable for being arranged above an automatic conveying line of a metal square tank body of an automatic production line for manufacturing the metal square tank, the production efficiency is limited, secondly, the structure of the forming device is imperfect, one of the forming outer die frames 20 cannot return after being driven by the inclined wedge 71 to move inwards, the next metal square tank is matched with the forming device, and the other one of the adjacent two rib line modules is opened towards the corner direction, the original contact part of the adjacent two rib line modules becomes a gap which is not connected, and the wall part of the metal square tank corresponding to the gap cannot be well expanded to form ribs, so that the quality of reinforcing ribs of the metal square tank and the rigidity of the tank body are influenced.
Disclosure of Invention
The invention aims to overcome the defects that the prior art is not suitable for being arranged on an automatic conveying line of a metal square tank body of multi-station automatic continuous production equipment for manufacturing metal square tanks, the structure of a forming device is imperfect, and the like.
The technical scheme adopted for solving the technical problems is as follows: the utility model provides a continuous manufacturing installation of expanding rib and jar mouth edge rolling of metal side jar, includes the frame and sets up expanding rib mechanism, jar mouth edge rolling die and actuating mechanism on the frame, characterized by: the machine seat is fixedly arranged above an automatic conveying line of a metal square tank body on a machine frame of automatic production equipment for manufacturing the metal square tank, the driving mechanism is arranged at the upper part of the machine seat, the expanding rib mechanism and a tank opening rolling die are respectively arranged at the lower part of the machine seat, the lower part of the machine seat comprises four outer side plates which are arranged front, back, left and right and a bottom plate which is fixed on the outer side plates, the expanding rib mechanism is arranged above the bottom plate on the inner side of the four outer side plates, the expanding rib mechanism comprises four expanding rib inner molds which respectively slide horizontally in diagonal directions, four expanding rib outer molds which respectively slide horizontally in front, back, left and right directions, an expansion rib outer mold, an expansion rib inner mold return ring sleeved on the expanding rib inner molds and four expanding rib outer mold drivers which are in driving fit with the expanding rib outer molds, a driving head with the four expanding rib outer molds, the driving mechanism is provided with a driving cone which is vertically upwards and downwards moved, the driving cone inner molds are arranged below the driving cone inner molds and are respectively provided with expansion rib inner molds, the expansion rib inner molds are respectively matched with the expansion rib inner molds in the vertical groove grooves which are respectively arranged between the two expanding rib inner molds and the upper side surfaces of the expansion rib inner molds, the driving cone groove is respectively arranged at the upper sides of the driving cone groove is controlled by the upper sides of the expansion rib inner molds, the tank opening rolling die is characterized in that a circle of concave rolling forming groove is formed in the bottom surface of the tank opening rolling die, the rolling forming groove is matched with the outer corner of the top surface of the expansion rib inner die in a rolling operation mode, the expansion compensation module is a wedge body, the front side of the wedge body is provided with a front side face which can be flush with the expansion rib working face of the expansion rib inner die, two sides of the front side face are respectively inclined side faces which are in sliding fit with the inclined planes of the wall parts of the adjacent two expansion rib inner dies, the rear part of the wedge body is a dovetail part which is in sliding fit with the inclined pushing grooves of the adjacent two expansion rib inner dies, when the expansion rib inner dies slide in the opposite corner direction, the dovetail part is pushed by the inclined pushing grooves, the expansion compensation module moves synchronously, and when the adjacent two expansion rib inner dies slide to the expansion rib operation position, the front side face of the expansion compensation module just moves to the gap outer opening between the two expansion rib inner dies, and the gap outer opening is filled.
According to the technical scheme, when two adjacent expansion rib inner molds are outwards opened, the expansion compensation module is used for filling gaps between the two expansion rib inner molds, so that the situation that four expansion rib inner molds are mutually in four gaps on an expansion rib working surface when the expansion rib inner molds are positioned at expansion rib operation positions, and the expansion rib inner molds cannot support the expansion ring which stretches in front to press the metal square tank wall at the four gaps to perform equivalent expansion rib deformation is avoided.
According to the technical scheme, the inclined side face of the wedge body, the inclined pushing grooves of the two adjacent rib expanding internal molds and the inclination of the dovetail part of the wedge body can be 45 degrees, and other applicable angles can be also adopted.
The technical scheme is characterized in that the directions of the front, back, left, right and diagonal directions are all based on the directions of four side surfaces of the metal square tank to be processed in the normal position, and when the metal square tank is not in the normal position, the directions of the front, back, left, right and diagonal directions are changed in a rotating way, so that the situation belongs to the equivalent technical characteristics of the invention.
According to the technical scheme, the four expansion rib inner molds can be respectively provided with the guide sliding grooves extending in the opposite angle direction, and the guide sliding grooves are respectively in sliding fit with the limiting columns on the bottom plate.
According to the technical scheme, the central part of the bottom plate of the annular groove for the top opening of the metal square tank body to rise into can body on the bottom plate can be connected with the base through the limiting cylinder.
According to the technical scheme, the expanding rib outer die driver can be composed of the roller installed on the expanding rib outer die, the air cylinder installed on the base, the inclined pushing block connected with the end portion of the piston rod of the air cylinder, the pull rod connected with the expanding rib outer die and penetrating through the corresponding outer side plate of the expanding rib outer die in a sliding mode, and the return pressure spring sleeved on the pull rod, wherein the inclined pushing block is matched with the roller to push the expanding rib outer die to move inwards, the return pressure spring is sleeved on the outer side rod section of the corresponding outer side plate, one end of the pull rod abuts against the other end of the outer side surface of the corresponding outer side plate, and the return pressure spring can pull the expanding rib outer die to move outwards to return through the pull rod.
According to the technical scheme, the driving mechanism controls the downward pressing movement of the tank opening rolling die through the downward pressing rod which can be driven by power, the downward pressing plate fixedly connected with the downward pressing rod and the vertical connecting rod, one end of the vertical connecting rod is connected with the other end of the downward pressing plate, the middle of the vertical connecting rod is in sliding fit with the machine base, and the driving mechanism is sleeved on the downward pressing rod, one end of the driving mechanism is propped against the pressure spring of the machine base, and the other end of the driving mechanism is propped against the downward pressing plate, so that the upward return of the tank opening rolling die is controlled.
According to the technical scheme, the driving mechanism can control the rib expanding inner die to horizontally move outwards through the driving rod which is driven by power and moves up and down in the vertical direction and the driving head which is connected to the lower end of the driving rod and provided with the inclined cone side face, wherein the driving rod can vertically slide on the lower pressing plate and the base, and the driving mechanism can control the driving rod to lift and return through the pressure spring which is sleeved on the driving rod, one end of the driving mechanism is propped against the base, and the other end of the driving mechanism is propped against the fixing seat on the driving rod, so that the rib expanding inner die horizontally moves inwards and returns under the action of the rib expanding inner die return shrinkage ring.
According to the technical scheme, the elastic rubber ring with certain hardness and enough strength can be adopted for the telescopic expansion ring.
According to the technical scheme, the expanding rib internal mold return shrinkage ring can be a metal tension spring ring or an elastic rubber ring.
The automatic metal square tank body conveying device has the advantages that firstly, the machine base is fixedly arranged above an automatic metal square tank body conveying line on a machine frame of automatic production equipment for manufacturing metal square tanks, the driving mechanism is arranged at the upper part of the machine base, the rib expanding mechanism and the tank opening rounding mechanism are respectively arranged at the lower part of the machine base, the bottom plate is provided with the annular groove for the top opening of the metal square tank body to rise into, and the rib expanding matching position of the rib expanding inner die and the rib expanding outer die is arranged above the annular groove, so that the automatic metal square tank body conveying device can be arranged on the machine frame above the automatic metal square tank body conveying line on the automatic metal square tank body conveying line for manufacturing metal square tanks through the machine base, and the annular groove for the top opening of the continuously conveyed metal square tank body to rise into is subjected to rib expanding and tank opening rounding operation, so that the production efficiency of the metal square tank is effectively improved; the second is that the rib expanding mechanism is installed on the bottom plate inside the four outer side plates, the rib expanding mechanism comprises four rib expanding inner molds which respectively slide horizontally in the diagonal direction, four rib expanding outer molds which respectively slide horizontally in the front, back, left and right directions, a telescopic expansion ring sleeved on the rib expanding working side surfaces of the four rib expanding inner molds, a rib expanding inner mold return shrinkage ring sleeved on the four rib expanding inner molds and a rib expanding outer mold driver which is in driving fit with the four rib expanding outer molds, the driving mechanism is provided with a driving head which moves vertically up and down and is provided with a bevel side surface, the driving head extends downwards to the driven inclined surface of the rib expanding inner molds and is in driving fit with the bevel side surface, an expansion compensation module is respectively arranged between every two adjacent rib expanding inner molds, so the device has perfect structure, the rib expanding inner molds and the rib expanding outer molds are provided with forward rib expanding driving and backward position driving, the invention relates to a novel expansion type reinforcing rib forming device, which is characterized in that an expansion compensation module is arranged in a gap between every two adjacent expansion rib inner molds after the expansion of the metal square tank body, so that the forming specification and the quality of the whole circle reinforcing ribs of the metal square tank body are uniform, the rigidity of the tank body after the expansion ribs is effectively ensured, and the expansion molding piece with certain rigidity and enough strength is sleeved on the expansion rib working side surfaces of the four expansion rib inner molds and used as the expansion molding piece of the expansion rib inner molds, so that the expanded reinforcing ribs are smooth and seamless and are uniformly formed.
The invention is further described below with reference to the drawings and examples.
Drawings
Fig. 1 is a schematic perspective view of an embodiment of the present invention.
Fig. 2 is a schematic view of fig. 1 with the upper portion of the housing removed.
Fig. 3 is a bottom perspective view of fig. 1.
Fig. 4 is a schematic view in partial cross-section A-A of fig. 1.
Fig. 5 is an enlarged partial schematic view of fig. 4.
Fig. 6 is a schematic perspective view showing the coordination relationship among the four expanding rib inner molds, the four expanding compensation modules and the driving heads of the driving mechanism of the expanding rib mechanism in fig. 1, wherein the four expanding rib inner molds are in a contracted state.
Fig. 7 is a perspective view of the four-bar expansion inner mold of fig. 6 in an open state.
In the figure, 1, a machine seat, 2, a rib expanding mechanism, 3, a tank opening round stamping die, 4, a driving mechanism, 5, 6, 7 and 8, an outer side plate, 9, a bottom plate, 10, 11, 12 and 13, rib expanding inner molds, 14 and 15, rib expanding outer molds, 16, a telescopic expanding ring, 17, rib expanding inner mold return shrinkage ring, 18, rib expanding outer mold driver, 19, a bevel side surface, 20, a driving head, 21, an opening compensation module, 22, a ring groove, 23, a rib expanding matching position, 24, a tank opening round stamping die bottom surface, 25, a round forming groove, 26, a top surface outer corner part, 27, a gap, 28, a front side surface, 29, a wall part inclined surface, 30, an inclined side surface, 31, an inclined pushing groove, 32, a dovetail part, 33, a guide chute, 34, a limit cylinder, 35, a bottom plate center part, 36, a roller, 37, a cylinder, 38, an inclined pushing block, 39, a pull rod, 40, a return spring, 41, a rod head, 42, a lower compression rod, 43, a lower compression rod, 44, a vertical compression rod, 45, a connecting rod, 47, a driving rod, 48 and a fixed seat.
Detailed Description
Referring to figures 1-7, the continuous manufacturing device for the bulge rib and the tank mouth rolling circle of the metal square tank comprises a machine base 1, a bulge rib mechanism 2, a tank mouth rolling circle punching die 3 and a driving mechanism 4 which are arranged on the machine base 1, and is characterized in that the machine base 1 is fixedly arranged above an automatic conveying line of a metal square tank body on automatic production equipment for manufacturing the metal square tank, the driving mechanism 4 is arranged on the upper part of the machine base 1, the bulge rib mechanism 2 and the tank mouth rolling circle punching die 3 are respectively arranged on the lower part of the machine base 1, and the lower part of the machine base 1 comprises four outer side plates 5, 6, 7 and 8 which are arranged front and back and left and right, and four outer side plates 5, 6 and 7 are fixed on the outer side plates 5, 6 and 7, 8, wherein the rib expanding mechanism 2 is arranged on the bottom plate 9 on the inner side of the four outer side plates 5, 6, 7 and 8, the rib expanding mechanism 2 comprises four rib expanding inner dies 10, 11, 12 and 13 which respectively slide horizontally in the diagonal direction, four rib expanding outer dies 14, 15 and the like which respectively slide horizontally in the front-back and left-right directions, a telescopic expansion ring 16 sleeved on the rib expanding working side surfaces of the four rib expanding inner dies 10, 11, 12 and 13, a rib expanding inner die return shrinkage ring 17 sleeved on the four rib expanding inner dies 10, 11, 12 and 13, a rib expanding outer die driver 18 which respectively drives and cooperates with the four rib expanding outer dies 14, 15 and the like, and the driving mechanism 4 is provided with a driving head 20 with an inclined taper side surface 19 and the like which vertically moves up and down, The driving head 20 extends downwards to the driven inclined surfaces of the rib inner molds 10, 11, 12 and 13 and is driven to match by the inclined cone side surfaces 19 and the like, an expansion compensation module 21 and the like are respectively arranged between every two adjacent rib inner molds 12 and 13 and the like, an annular groove 22 for the top opening of a metal square tank body to rise into is arranged on the bottom plate 9, the rib matching position 23 of the rib inner mold 10 and the rib outer mold 14 is positioned above the annular groove, the tank opening rolling die 3 is arranged above the rib inner molds 10, 11, 12 and 13 and is controlled to vertically move up and down by the driving mechanism 4, a circle of concave rolling forming groove 25 is arranged on the bottom surface 24 of the tank opening rolling die 3, the rolling forming groove 25 is matched with the top surface outer corner 26 of the rib inner mold 10 in a rolling operation, the expansion compensation module 21 is a wedge body, and the front side of the wedge body is provided with a wedge body which can be matched with the rib inner mold 12, 13, wherein the front side 28 of the expansion bar working side is flush, two sides of the front side 28 are respectively provided with an inclined side 30 which is in sliding fit with the inclined planes 29 of the wall parts of the two adjacent expansion bar internal molds 12 and 13, the rear part of the wedge-shaped body is provided with a dovetail part 32 which is in sliding fit on the inclined pushing grooves 31 of the two adjacent expansion bar internal molds 12 and 13, when the expansion bar internal molds 12 and 13 respectively slide in the diagonal direction, the inclined pushing grooves 31 push the dovetail part 32 to enable the expansion compensation module 21 to synchronously move, and when the two adjacent expansion bar internal molds 12 and 13 slide to the expansion bar position, the front side 28 of the expansion compensation module 21 just moves to the two expansion bar internal molds 12, 13 and fills the outer opening of said gap 27.
As shown in fig. 7, the function of the expansion compensation module 21 in the above technical solution is to fill the gap 27 on the working side of the expansion rib between the expansion rib inner mold 12 and the expansion rib inner mold 13 when two adjacent expansion rib inner molds 12, 13 are expanded outwards, so as to avoid the gap 27 between the working sides of the expansion ribs of the expansion rib inner molds 12, 13 when the expansion rib inner molds 12, 13 are positioned at the expansion rib positions, and the expansion ring 16 incapable of supporting the front presses the metal square tank wall at the gap 27 to perform equivalent expansion rib deformation.
The inclination of the inclined side surface 28 of the expansion compensation module 21, the inclined pushing grooves 31 of the adjacent two expansion rib internal molds 12 and 13 and the inclination of the dovetail position 32 are all 45 degrees.
The four rib expanding internal molds 10, 11, 12 and 13 are respectively provided with a guide chute 33 extending in the opposite angle direction, and the guide chute 33 is respectively in sliding fit with a limit column 34 on the bottom plate 9.
As shown in fig. 4, the central part 35 of the bottom plate 9 of the ring groove 22 for the top opening of the metal square can body to rise into is connected with the base 1 through the limit cylinder 34.
The rib-expanding outer die driver 18 is composed of a roller 36 arranged on the rib-expanding outer die 14, an air cylinder 37 arranged on the machine base 1, an inclined pushing block 38 connected with the end part of a piston rod of the air cylinder 37, a pull rod 39 connected with the rib-expanding outer die 14 and sliding through the corresponding outer side plate 5 of the rib-expanding outer die 14, and a return pressure spring 40 sleeved on the pull rod 39, wherein the inclined pushing block 38 is matched with the roller 36 to push the rib-expanding outer die 14 to move inwards, the return pressure spring 40 is sleeved on the outer side rod section of the corresponding outer side plate 5 of the pull rod 39, one end of the return pressure spring is propped against a rod head 41 of the corresponding outer side plate 5, and the other end of the return pressure spring 40 is propped against the pull rod 39, and pulls the rib-expanding outer die 14 to move outwards and return through the pull rod 39.
The driving mechanism 4 controls the downward pressing movement of the tank opening rolling die 3 through a downward pressing rod 42 driven by power, a lower pressing plate 43 fixedly connected with the downward pressing rod 42 and a vertical connecting rod 44, one end of the vertical connecting rod is connected with the other end of the lower pressing plate 43, the middle of the vertical connecting rod 44 is in sliding fit on the machine base 1, and the driving mechanism 4 controls the upward return of the tank opening rolling die 3 through a pressure spring 45 sleeved on the downward pressing rod 42, one end of the pressure spring is propped against the machine base 1, and the other end of the pressure spring is propped against the lower pressing plate 43.
The driving mechanism 4 controls the outward horizontal movement of the rib expanding internal molds 10, 11, 12 and 13 through a driving rod 46 which is driven by power and moves vertically and a driving head 20 which is connected with the lower end of the driving rod 46 and provided with an inclined cone side surface 19, wherein the driving rod 46 vertically slides on the lower pressing plate 43 and the machine base 1, and the driving mechanism 4 controls the driving rod 46 to ascend and return through a pressure spring 48 which is sleeved on the driving rod 46 and one end of which is propped against the machine base 1 and the other end of which is propped against a fixed seat 47 on the driving rod 46, so that the rib expanding internal molds 10, 11, 12 and 13 horizontally move inwards and return under the action of a rib expanding internal mold return shrinkage ring 17.
The expansion ring 16 is an elastic rubber ring with certain hardness and enough strength.
The expanding rib internal mold return shrinkage ring 17 is a metal tension spring ring or an elastic rubber ring.
When the automatic metal square tank body conveying line is used for conveying a metal square tank body to a position below the automatic metal square tank body conveying line, the lifting mechanism of the automatic production equipment lifts the metal square tank body to enable the top opening of the metal square tank body to be matched with the annular groove 22 on the bottom plate 9, and then the upper part of the metal square tank body is lifted to enter the expansion rib matching position 23 of the expansion rib inner die 10 and the expansion rib outer die 14; then the driving rod 46 moves downwards, the four expansion rib inner molds 10 are driven to slide outwards in the opposite angles by the oblique cone side surfaces 19 and the like on the driving head 20, meanwhile, the oblique pushing grooves 31 on the expansion rib inner molds 10 and the like are connected with the dovetail parts 32 of the expansion compensation modules 21 to enable the expansion compensation modules 21 to move outwards, when the four expansion rib inner molds 10 and the like slide outwards to reach the expansion rib matching positions 23, the front side surfaces 28 of the expansion compensation modules 21 and the like just fill the outer openings of the gaps 27 between the expansion rib inner molds 10 and the like respectively, simultaneously, the air cylinders 37 are matched with the rollers 36 through the oblique pushing blocks 38 to push the four expansion rib outer molds 14 and the like to slide inwards from front, back and right to reach the expansion rib matching positions 23 respectively, the grooves on the expansion rib outer molds 14 and the like are matched with the expansion rib inner molds 10 and the expansion ring 16 in an extrusion mode, the expansion rib inner molds on the top surface of a metal tank body is pushed down by the pressing rods 43, and then the compression rod is driven to move downwards by the pressing rods 43 vertically downwards to the lower die rings on the top surface of the tank body and the lower die rings 3, under the action of a pressure spring 48, the driving rod 46 controls the driving head 20 to move upwards to return, the four expansion rib inner molds 10 and the like move inwards in the diagonal direction under the action of the expansion rib inner mold return shrinkage ring 17, and simultaneously the diagonal pushing grooves 31 on the expansion rib inner mold 10 and the like drive the parts 32 of the expansion compensation module 21 to move inwards to return, the telescopic expansion rib ring 16 walls are withdrawn from the tank opening round stamping die 3 in an ascending mode under the action of the pressure spring 45, simultaneously the diagonal pushing blocks 25 withdraw from the top opening edges of the metal square tank body, the four expansion rib inner molds 10 and the like are controlled to move upwards to return under the action of the pressure spring 48, and the four expansion rib inner molds 10 and the like move inwards in the diagonal direction under the action of the expansion rib inner mold return shrinkage ring 17, simultaneously the diagonal pushing grooves 31 on the expansion compensation module 10 and the like drive the reinforcing ribs of the expansion compensation module 21 to move inwards to return inwards, simultaneously the telescopic expansion rib ring 16 walls withdraw from the tank opening 37, simultaneously the diagonal pushing blocks 38 withdraw from the top ring groove 14 and the expansion rib inner mold, and the expansion rib inner mold roll up to the bottom plate 9 are controlled to withdraw from the metal tank opening ring groove and the expansion rib inner mold up and the like, and the expansion rib inner mold up-rolling ring 9 is finished, and the expansion rib inner mold is automatically rolled into the annular groove and the expansion rib inner mold is manufactured, and the expansion rib inner mold is automatically rolled into the annular ring.
Claims (8)
1. The utility model provides a continuous manufacturing installation of expanding rib and jar mouth edge rolling of metal side jar, includes the frame and sets up expanding rib mechanism, jar mouth edge rolling die and actuating mechanism on the frame, characterized by: the machine seat is fixedly arranged above an automatic conveying line of a metal square tank body on a machine frame of automatic production equipment for manufacturing the metal square tank, the driving mechanism is arranged at the upper part of the machine seat, the expanding rib mechanism and a tank opening rolling die are respectively arranged at the lower part of the machine seat, the lower part of the machine seat comprises four outer side plates which are arranged front, back, left and right and a bottom plate which is fixed on the outer side plates, the expanding rib mechanism is arranged above the bottom plate on the inner side of the four outer side plates, the expanding rib mechanism comprises four expanding rib inner molds which respectively slide horizontally in diagonal directions, four expanding rib outer molds which respectively slide horizontally in front, back, left and right directions, an expansion rib outer mold, an expansion rib inner mold return ring sleeved on the expanding rib inner molds and four expanding rib outer mold drivers which are in driving fit with the expanding rib outer molds, a driving head with the four expanding rib outer molds, the driving mechanism is provided with a driving cone which is vertically upwards and downwards moved, the driving cone inner molds are arranged below the driving cone inner molds and are respectively provided with expansion rib inner molds, the expansion rib inner molds are respectively matched with the expansion rib inner molds in the vertical groove grooves which are respectively arranged between the two expanding rib inner molds and the upper side surfaces of the expansion rib inner molds, the driving cone groove is respectively arranged at the upper sides of the driving cone groove is controlled by the upper sides of the expansion rib inner molds, the tank opening rolling die is characterized in that a circle of concave rolling forming groove is formed in the bottom surface of the tank opening rolling die, the rolling forming groove is matched with the outer corner of the top surface of the expansion rib inner die in a rolling operation mode, the expansion compensation module is a wedge body, the front side of the wedge body is provided with a front side face which can be flush with the expansion rib working face of the expansion rib inner die, two sides of the front side face are respectively inclined side faces which are in sliding fit with the inclined planes of the wall parts of the adjacent two expansion rib inner dies, the rear part of the wedge body is a dovetail part which is in sliding fit with the inclined pushing grooves of the adjacent two expansion rib inner dies, when the expansion rib inner dies slide in the opposite corner direction, the dovetail part is pushed by the inclined pushing grooves, the expansion compensation module moves synchronously, and when the adjacent two expansion rib inner dies slide to the expansion rib operation position, the front side face of the expansion compensation module just moves to the gap outer opening between the two expansion rib inner dies, and the gap outer opening is filled.
2. The continuous manufacturing device for the bulge ribs and the can mouth circles of the metal square can according to claim 1, wherein the inclination angles of the inclined side surfaces of the wedge-shaped body, the inclined pushing grooves of the adjacent two bulge rib inner molds and the dovetail parts of the wedge-shaped body are all 45 degrees.
3. The continuous manufacturing device for the bulge ribs and the tank opening circles of the metal square tank, which is disclosed in claim 1 or 2, is characterized in that guide sliding grooves extending in the diagonal direction are respectively arranged on the four bulge rib inner molds, and the guide sliding grooves are respectively in sliding fit with limit columns on the bottom plate.
4. The continuous manufacturing device for the bulge ribs and the can opening circles of the metal square can according to claim 3, wherein the central part of the bottom plate of the annular groove for the top opening of the metal square can body to rise into is connected with the base through the limit cylinder.
5. The continuous manufacturing device for the bulge rib and the can mouth rolling circle of the metal square can is characterized in that the bulge rib outer die driver is composed of a roller installed on the bulge rib outer die, an air cylinder installed on the machine base, an inclined pushing block connected with the end portion of a piston rod of the air cylinder, a pull rod connected with the bulge rib outer die and penetrating through the bulge rib outer die in a sliding mode and corresponding to an outer side plate, and a return pressure spring sleeved on the pull rod, wherein the inclined pushing block is matched with the roller to push the bulge rib outer die to move inwards, the return pressure spring is sleeved on an outer side rod section of the corresponding outer side plate of the pull rod, one end of the return pressure spring is propped against the outer side surface of the corresponding outer side plate, and the other end of the return pressure spring is propped against a rod head of the outer side rod section, and pulls the bulge rib outer die to move outwards to return through the pull rod.
6. The continuous manufacturing device for the bulge ribs and the can mouth rolling circles of the metal square can is characterized in that the driving mechanism controls the pressing movement of the can mouth rolling circle punch die through a pressing rod driven by power, a pressing plate fixedly connected with the pressing rod and a vertical connecting rod, one end of the vertical connecting rod is connected with the pressing plate, the other end of the vertical connecting rod is connected with the can mouth rolling circle punch die, the middle of the vertical connecting rod is in sliding fit on a machine base, and the driving mechanism controls the lifting return of the can mouth rolling circle punch die through a pressure spring sleeved on the pressing rod, one end of the driving mechanism is propped against the pressing plate, and the other end of the driving mechanism is propped against the pressing plate.
7. The continuous manufacturing device for the bulge ribs and the can mouth circles of the metal square can is characterized in that the driving mechanism controls the bulge rib inner die to horizontally move outwards through a driving rod which is driven by power and moves up and down in the vertical direction and a driving head which is connected with the side face with the inclined cone at the lower end of the driving rod, wherein the driving rod vertically slides on the lower pressing plate and the base, and the driving mechanism controls the driving rod to be lifted and returned through a pressure spring which is sleeved on the driving rod and one end of the driving mechanism is propped against a fixing seat on the driving rod, and enables the bulge rib inner die to horizontally move inwards and return under the action of a return shrinkage ring of the bulge rib inner die.
8. The continuous manufacturing device for the bulge rib and the can mouth rolling of the metal square can, which is characterized in that the bulge rib internal mold return shrinkage ring is a metal tension spring ring or an elastic rubber ring.
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| CN218460693U (en) * | 2022-11-01 | 2023-02-10 | 汕头市新宜制罐设备有限公司 | A continuous production device for rib expansion and mouth rolling of metal square cans |
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| US2161963A (en) * | 1938-07-23 | 1939-06-13 | Bliss E W Co | Apparatus for shaping tubes, shells, or the like |
| CN2712496Y (en) * | 2004-08-08 | 2005-07-27 | 王泽宜 | Forming mechanism for square pot body made of metal sheet |
| JP4761830B2 (en) * | 2005-05-17 | 2011-08-31 | 東洋製罐株式会社 | Square can bead forming equipment |
| CN202762896U (en) * | 2012-07-10 | 2013-03-06 | 九江市永信制罐设备有限公司 | 18-liter rectangular can wire edge rib expanding machine |
| CN102825163A (en) * | 2012-09-21 | 2012-12-19 | 郑州金泰制罐有限公司 | Edge rolling and expansion reinforcing all-in-one machine for all-opening square barrel |
| CN202921772U (en) * | 2012-10-23 | 2013-05-08 | 广东大地伟业包装实业有限公司 | Three-in-one composite die for can making |
| CN213256666U (en) * | 2020-09-18 | 2021-05-25 | 苏州华源控股股份有限公司 | Flanging mechanism and can manufacturing production line |
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| CN218460693U (en) * | 2022-11-01 | 2023-02-10 | 汕头市新宜制罐设备有限公司 | A continuous production device for rib expansion and mouth rolling of metal square cans |
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