The cover processing unit (plant)
Technical field
The present invention relates to a kind of cover processing unit (plant) that is used to make cover.
Background technology
Metal can is the very important a kind of packing container of packaging industry, and its main body is made of can body and cover.A lot of covers all are stamped to form by a metal foil sheet material, cover has a sheet lid body, and the middle part of lid body forms the hollow protuberance of downward protrusion, and hollow protuberance is cylindric, the periphery of lid body forms the chimb to lower convexity, and the shape of chimb is consistent with the outer peripheral shape of lid body.When producing this cover, for the product percent of pass that guarantees that cover is last, the hollow protuberance at its middle part of punch forming all carries out several times.Like this, will become many, influence working (machining) efficiency in the technology of making cover.
Summary of the invention
At above-mentioned technical problem, the object of the invention provides a kind of cover processing unit (plant) of energy rapid processing cover.
In order to achieve the above object, the present invention adopts following technical scheme:
A kind of cover processing unit (plant), described cover is stamped to form by the metal foil sheet material, described cover has a sheet lid body, the middle part of described lid body forms the hollow protuberance of downward protrusion, described hollow protuberance is cylindric, the periphery of described lid body forms the chimb to lower convexity, the shape of described chimb is consistent with the outer peripheral shape of described lid body, it is characterized in that: described processing unit (plant) comprises that being used for the gradation punching press forms many groups protuberance diel of hollow protuberance and be used for the chimb diel that punching press forms chimb, each is organized described protuberance diel and includes a columned protuberance staking punch, the diameter of the protuberance staking punch of the described protuberance diel of many groups reduces from left to right gradually, and the diameter of the protuberance staking punch of the described protuberance diel of the rightmost side is identical with the diameter of described hollow protuberance to be formed, described chimb diel comprises a chimb staking punch, described chimb staking punch is positioned at the right side of the described protuberance staking punch of the rightmost side, a plurality of described protuberance staking punch, the chimb staking punch is arranged in order along a straight line from left to right, a plurality of described protuberance staking punch and described chimb staking punch all are fixedly mounted on the same installing rack, the driving mechanism of drive installation frame knee-action is equipped with on the described installing rack, when the described installing rack of described drive mechanism moves down, a plurality of described protuberance staking punch and described chimb staking punch are finished the punching press action simultaneously, and described processing unit (plant) also comprises the conveyer that described metal foil sheet material is delivered to the right side from a left side.
Preferably, also be provided with the cover that is used for that punching press is finished in the described chimb diel and cut the cutting knife that gets off from the metal foil sheet material.
Because technique scheme utilization, the present invention compared with prior art has following advantage: by a plurality of protuberance staking punch are arranged on the installing rack, and by a drive mechanism, the every action of this driving mechanism once, can improve the efficient of processing cover to realizing a plurality of punching courses.
Description of drawings
Accompanying drawing 1 is the top perspective schematic diagram of cover of the present invention;
Accompanying drawing 2 is the schematic perspective view of looking up of cover of the present invention;
Accompanying drawing 3 is the schematic diagram of processing unit (plant) of the present invention;
When accompanying drawing 4 is worked for processing unit (plant), the schematic top plan view of metal foil sheet material;
In the above accompanying drawing: 1, cover; 2, lid body; 3, hollow protuberance; 4, chimb; 5, metal foil sheet material; 6, processing unit (plant); 7, protuberance diel; 8, chimb diel; 11, protuberance staking punch; 111, the first protuberance staking punch; 112, the second protuberance staking punch; 113, the 3rd protuberance staking punch; 114, the 4th protuberance staking punch; 115, the 5th protuberance staking punch; 116, the 6th protuberance staking punch; 12, chimb staking punch; 14, installing rack; 15, driving mechanism; 16, conveyer; 17, cutting knife; 21, outward flange.
The specific embodiment
Below in conjunction with embodiment shown in the drawings technical scheme of the present invention is further described:
The cover of processing as shown in Figure 1, 2, cover 1 is stamped to form by a metal foil sheet material 5, cover 1 has a sheet lid body 2, the middle part of lid body 2 forms the hollow protuberance 3 of downward protrusion, hollow protuberance 3 is cylindric, the periphery of lid body 2 forms the chimb 4 to lower convexity, and the shape of chimb 4 is consistent with the shape of the outward flange 21 of lid body 1.
Cover processing unit (plant) 6 as shown in Figure 3, processing unit (plant) 6 comprises that being used for the gradation punching press forms six groups of protuberance diels 7 of hollow protuberance 3 and be used for the chimb diel 8 that punching press forms chimb 4, six groups of protuberance diels 7 include a columned protuberance staking punch 11, be respectively the first protuberance staking punch, 111, the second protuberance staking punch 112, the 3rd protuberance staking punch 113, the 4th protuberance staking punch 114, the 5th protuberance staking punch 115, the 6th protuberance staking punch 116.The diameter of the protuberance staking punch 11 of six groups of protuberance diels 7 reduces from left to right gradually, and the diameter of the protuberance staking punch 11 of the protuberance diel of the rightmost side is identical with the diameter of hollow protuberance 3 to be formed, chimb diel 8 comprises a chimb staking punch 12, chimb staking punch 12 is positioned at the right side of the protuberance diel 7 of the rightmost side, and six groups of protuberance diels 7 are positioned at a straight line with chimb staking punch 12 and are arranged in order from left to right, order is the first protuberance staking punch, 111, the second protuberance staking punch 112, the 3rd protuberance staking punch 113, the 4th protuberance staking punch 114, the 5th protuberance staking punch 115, the 6th protuberance staking punch 116, chimb staking punch 12.
Six protuberance staking punch 11 and chimb staking punch 12 all are fixedly mounted on the same installing rack 14, the driving mechanism 15 of drive installation frame 14 knee-actions is equipped with on the installing rack 14, when driving mechanism 15 drive installation framves 14 move down, six protuberance staking punch 11 and a chimb staking punch 12 are finished the punching press action simultaneously, and processing unit (plant) 6 also comprises the conveyer 16 that metal foil sheet material 5 is delivered to the right side from a left side.Also be provided with the cover that is used for that punching press is finished in the chimb diel 8 and cut the cutting knife 17 that gets off from metal foil sheet material 5.This cutting knife 17 is positioned at the outside of chimb staking punch 12.
Following mask body is set forth the process of this processing unit (plant):
Begin to add man-hour, utilize conveyer 16 earlier metal foil sheet material 5 to be delivered to the first protuberance staking punch, 111 belows and carry out punching press first, on metal foil sheet material 5, form a larger-size hollow protuberance 3 ' after this punching press, after finishing the punching press first of first cover blank, order about the below that metal foil sheet material 5 moves to the second protuberance staking punch 112 to the right and carry out punching press once more, form diameter dimension with respect to hollow protuberance 3 ' dwindle to some extent, the degree of depth becomes big hollow protuberance 3 ".Meanwhile, metal foil sheet material 5 also has the below that partly moves to the first protuberance staking punch 111, at the hollow protuberance 3 that forms first cover blank " in, the at first punching press of second cover blank also finished in the left side.When the metal foil sheet material moved right to the 3rd protuberance staking punch 113 belows again, second cover blank moved to the below of the second protuberance staking punch 112, and the 3rd cover blank moves to the below of the first protuberance staking punch 111.Like this when first cover blank moves right to the 6th protuberance staking punch 116 belows, second cover blank is positioned at the below of the 5th protuberance staking punch 115, the 3rd cover blank is positioned at the below of the 4th protuberance staking punch 114, the 4th cover blank is positioned at the below of the 3rd protuberance staking punch 113, the 5th cover blank is positioned at the below of the second protuberance staking punch 112, the 6th cover blank is positioned at the below of the first protuberance staking punch 111, drive a downward punching press blank of protuberance staking punch, can form the hollow protuberance 3 of first cover blank that satisfies dimensional requirement, this first cover blank is moved right to the bottom of chimb staking punch 12 again, the punching press mouth forms chimb 4 on the first cover blank, and first cover that meanwhile utilizes cutting knife 17 to meet the demands cuts, first cover blanking, waste material continues to move right, and second cover blank moved to chimb staking punch 12 belows, it is downward to drive each staking punch at this, promptly forms second cover.
Along with the metal foil sheet material moves right, under six protuberance staking punch and a chimb staking punch, the cover blank is arranged all, like this when driving mechanism 15 drive installing racks 14 fall downwards, can finish the punching press of a step station to seven different cover blanks, and whenever fall once, promptly have a cover to finish making, this moment, the shape of metal foil sheet material was seen accompanying drawing 4.
The foregoing description only is explanation technical conceive of the present invention and characteristics, and its purpose is to allow the personage who is familiar with this technology can understand content of the present invention and enforcement according to this, can not limit protection scope of the present invention with this.All equivalences that spirit essence is done according to the present invention change or modify, and all should be encompassed within protection scope of the present invention.