CN111589974A - Alloy bottom cover forming process - Google Patents
Alloy bottom cover forming process Download PDFInfo
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- CN111589974A CN111589974A CN202010315453.9A CN202010315453A CN111589974A CN 111589974 A CN111589974 A CN 111589974A CN 202010315453 A CN202010315453 A CN 202010315453A CN 111589974 A CN111589974 A CN 111589974A
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- plate
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- bottom cover
- blocking
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- 238000000034 method Methods 0.000 title claims abstract description 22
- 239000000956 alloy Substances 0.000 title claims abstract description 15
- 229910045601 alloy Inorganic materials 0.000 title claims abstract description 15
- 230000000903 blocking effect Effects 0.000 claims abstract description 36
- 239000000463 material Substances 0.000 claims abstract description 13
- 238000001035 drying Methods 0.000 claims abstract description 10
- 238000007789 sealing Methods 0.000 claims abstract description 8
- 239000011248 coating agent Substances 0.000 claims abstract description 7
- 238000000576 coating method Methods 0.000 claims abstract description 7
- 238000004806 packaging method and process Methods 0.000 claims abstract description 5
- 238000004026 adhesive bonding Methods 0.000 claims abstract description 4
- 238000005096 rolling process Methods 0.000 claims abstract description 4
- 238000010008 shearing Methods 0.000 claims abstract description 4
- 238000005520 cutting process Methods 0.000 claims description 6
- 238000001816 cooling Methods 0.000 claims description 5
- 238000010438 heat treatment Methods 0.000 claims description 5
- 238000004080 punching Methods 0.000 claims description 4
- 239000005028 tinplate Substances 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 6
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000001105 regulatory effect Effects 0.000 description 3
- 230000032683 aging Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000003247 decreasing effect Effects 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 239000013589 supplement Substances 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000003750 conditioning effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000007888 film coating Substances 0.000 description 1
- 238000009501 film coating Methods 0.000 description 1
- 235000013305 food Nutrition 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 235000013324 preserved food Nutrition 0.000 description 1
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Classifications
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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
- B21D51/38—Making inlet or outlet arrangements of cans, tins, baths, bottles, or other vessels; Making can ends; Making closures
- B21D51/44—Making closures, e.g. caps
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D3/00—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials
- B05D3/02—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials by baking
- B05D3/0254—After-treatment
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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
- B21D43/00—Feeding, positioning or storing devices combined with, or arranged in, or specially adapted for use in connection with, apparatus for working or processing sheet metal, metal tubes or metal profiles; Associations therewith of cutting devices
- B21D43/003—Positioning devices
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Air Bags (AREA)
Abstract
The invention discloses an alloy bottom cover forming process, which comprises the following steps: firstly, wave shearing of coiled materials; printing and coating; forming the basic cover; firstly, pre-forming a countersunk rib at the edge of the cover blank, and then inwards rolling the edge of the cover blank into a sealing groove edge; gluing the sealing edge of the base cover after the curling is finished, and then drying to form the base cover; using a cover collecting device to collect the basic cover into a cylinder shape; fourthly, packaging and warehousing; the cover collecting device comprises a U-shaped cover collecting groove and mounting seats respectively arranged in the length direction of the U-shaped cover collecting groove, cover blocking air bags are arranged on one side, facing the U-shaped cover collecting groove, of the mounting seats at intervals, air passages are formed in the mounting seats, and the air passages are connected with inner cavities of the cover blocking air bags on the mounting seats; the baffle cover air bag is in a plate shape with the plate surface facing the bottom cover after being inflated; one end of the air passage is provided with an air pressure maintaining device, the air bag of the blocking cover rebounds by using air pressure, and the using effect of the cover collecting device is ensured.
Description
Technical Field
The invention relates to the field of bottom cover manufacturing, in particular to an alloy bottom cover forming process.
Background
With the development of the food industry, canned food is commonly found in people's daily life. The can package is mainly composed of three cans, namely a top cover, a can body and a bottom cover. The top lid is typically an easy open lid. When the bottom cover is manufactured, a plurality of processes are carried out from plate materials to forming to packaging, equipment of each process is different, and conversion is often needed in the production process, so that each process needs to be carried out through the process of collecting and arranging (cover collecting for short) one piece of bottom cover and then conveying the bottom cover to equipment of the next process. The process of collecting and arranging the bottom cover (cover collecting) is to integrate the bottom cover into a cylinder shape from the original sheet shape, thus being beneficial to grabbing and storing. In the process of collecting the cover, the rear end (cover inlet end) of the cover collecting groove of the bottom cover is often provided with a pushing device or a pushing cover to push the bottom cover to move, and the front end (cover outlet end) is often in a free state due to condition limitation, so that the bottom cover is easy to topple forwards at the front end, the bottom cover is easy to scratch, and the arch cover or the cover is easy to clamp. Most of the existing cover collecting devices use the elasticity of a spring or a rubber strip to realize return, and after the existing cover collecting devices are used for a long time, the elasticity performance is reduced, so that the cover blocking devices are out of work.
In view of the above, the applicant has made an intensive study on the above-mentioned defects in the prior art, and has made this invention.
Disclosure of Invention
The invention mainly aims to provide an alloy bottom cover forming process which has the characteristic of improving the cover collecting effect of a bottom cover.
In order to achieve the above purpose, the solution of the invention is:
an alloy bottom cover forming process comprises the following steps:
firstly, wave shearing of coiled materials: cutting the tinplate coiled material to form a wave shape, and cutting off the edge materials of the wave-shaped plate;
printing and coating processing: coating films on the inner surface and the outer surface of the plate, and then drying;
forming the basic cover: fixing the plate by using a plate fixing device and punching the plate to form a cover blank; firstly, pre-forming a countersunk rib at the edge of the cover blank, and then inwards rolling the edge of the cover blank into a sealing groove edge; gluing the sealing edge of the base cover after the curling is finished, and then drying to form the base cover; using a cover collecting device to collect the basic cover into a cylinder shape;
fourthly, packaging and warehousing;
the cover collecting device comprises a U-shaped cover collecting groove and mounting seats respectively arranged in the length direction of the U-shaped cover collecting groove, cover blocking air bags are arranged on one side, facing the U-shaped cover collecting groove, of the mounting seats at intervals, air passages are formed in the mounting seats, and the air passages are connected with inner cavities of the cover blocking air bags on the mounting seats; the baffle cover air bag is in a plate shape with the plate surface facing the bottom cover after being inflated; and one end of the air passage is provided with an air pressure maintaining device.
Further, the air pressure holding device comprises a vertically arranged cylinder body, a piston matched with an inner cavity of the cylinder body is arranged in the cylinder body, a heavy object is arranged on the upper surface of the piston, the piston and the inner cavity of the cylinder body form a pressure cavity in an enclosing mode, the lower end of the pressure cavity is connected with a conveying pipeline, and the conveying pipeline is connected with an air passage in the mounting seat; the lower end of the pressure cavity is also provided with a pressure gauge and an adjusting pipeline, and the adjusting pipeline is provided with an adjusting valve; the piston upper surface is provided with the handle, the handle upper end is connected with rings.
Furthermore, an auxiliary rubber sheet is arranged on one side of the blocking cover air bag facing the bottom cover, and one end of the auxiliary rubber sheet is connected with the blocking cover air bag; in a free state, the angle alpha formed by the auxiliary rubber sheet and the air bag of the blocking cover is more than or equal to 100 degrees and less than or equal to 150 degrees; after the blocking cover air bags and the auxiliary rubber sheets are propped against by the bottom cover, the auxiliary rubber sheets cover the gap between every two adjacent blocking cover air bags.
Further, an inflation cavity is arranged in the auxiliary rubber sheet and connected with the inner cavity of the air bag of the blocking cover.
Further, the drying in the second step is divided into three stages of preheating, constant heating and cooling, wherein the preheating temperature is 40-50 ℃ and the time is 1h, the constant heating temperature is 70-80 ℃ and the time is 2h, and the cooling temperature is 20-30 ℃ and the time is 0.5 h.
Further, the plate fixing device in the third step comprises a base and two clamps, the two clamps are arranged on the base, and each clamp comprises a moving seat, a lower clamping plate, an upper clamping plate and a driving cylinder; the movable seat is arranged on the base; the lower clamping plate is fixedly arranged on the upper surface of the moving seat, two pivoting seats are symmetrically arranged on the upper surface of the lower clamping plate, two pivoting shafts which are symmetrically arranged are formed in the middle of the upper clamping plate, and the upper clamping plate is rotatably connected to the pivoting seats through the pivoting seats; the driving cylinder is hinged to the upper clamping plate and the lower clamping plate; a lower clamping plate for clamping a plate is arranged on the lower clamping plate, and an upper clamping plate for clamping the plate is arranged on the upper clamping plate; the upper clamping plate comprises a plate body, a top plate and an adjusting plate, an adjusting cavity is formed in the plate body, and an adjusting hole is formed in the top plate; an ear plate is formed at the upper end of the adjusting plate, the adjusting plate is installed in the adjusting cavity, the top plate is installed at the upper part of the plate body, and the ear plate penetrates through the adjusting hole and is rotatably connected with the upper clamping plate; the bottom of the adjusting cavity is provided with a first toothed plate, the lower surface of the adjusting plate is provided with a second toothed plate, and an adjusting gap is formed between the second toothed plate and the second toothed plate.
Further, the adjusting holes are rectangular holes, and the distance between the two side plate surfaces of the lug plates is equal to the width of the adjusting holes.
Furthermore, the adjusting plate is provided with two ear plates, and the top cover is provided with two adjusting holes; and the hinge shafts on the two ear plates are coaxially arranged.
Further, the base comprises an upper seat, a lower seat and a connecting seat connected between the upper seat and the lower seat, and a sliding groove is formed in the side surface of the upper seat; the movable seat comprises an upper sliding plate and two side sliding plates integrally connected to the upper sliding plate, the side sliding plates are attached to the side face of the upper seat, a sliding limiting block is mounted on one face, facing the upper seat, of each side sliding plate, and the sliding limiting blocks are arranged in the sliding grooves in a sliding mode; the lower seat lower extreme fixedly connected with latch segment, the latch segment is located upper seat lower surface below, be provided with on the latch segment and can support the top in the locking bolt of upper seat lower surface.
Furthermore, a plurality of position adjusting holes are formed in the connecting seat at intervals along the length direction of the upper seat, and position adjusting components are detachably connected to the position adjusting holes; the position adjusting assembly comprises a splicing end, a hinged plate and an adjusting rod, the hinged plate is connected to the splicing end, and the adjusting rod is rotatably connected with the hinged plate; the inserting end can be inserted into the position adjusting hole, and the adjusting rod abuts against the side portion of the locking bolt.
Furthermore, the inserting end comprises three inserting columns, the same end of each inserting column is connected with a connecting plate, the hinged plate is connected to the connecting plate, the adjusting rod is provided with a rotating pin, and the adjusting rod is detachably connected to the hinged plate through the rotating pin.
After the structure is adopted, the alloy bottom cover forming process has at least the following beneficial effects:
the baffle cover air bag is provided with a plate-shaped baffle cover structure under the action of air pressure, and the baffle cover air bag is bent along with the forward movement of the bottom cover, so that the air of the baffle cover air bag is extruded. When the cylindrical bottom cover is taken away by a worker or a mechanical arm, the air in the air passage is filled into the blocking cover air bag, and the blocking cover air bag is expanded to return to the initial state. The recovery of the air bag mainly depends on the driving of air in the air passage, so that the problem of elastic failure of rubber is avoided.
And secondly, the pressure of the air in the pressure cavity can be adjusted by increasing or decreasing the weight of the weight on the piston, and the pressure is displayed by the pressure gauge. Because the weight of the piston and the weight does not change along with the change of the position when the piston and the weight are used, the pressure in the pressure cavity is kept unchanged, so that the air pressure in the air passage in the mounting seat is kept unchanged, and the force of each blocking cover air bag contacting the bottom cover is approximately the same. Because the air in the cylinder body part can be slowly and naturally leaked, when the air needs to be supplemented, the adjusting valve is opened, the piston is lifted upwards through the lifting handle and the lifting ring, the air enters the pressure cavity through the adjusting pipeline, and then the adjusting valve is closed to complete the gas supplement.
And thirdly, after the bottom cover is separated from the last cover blocking air bag, the bottom cover can be firstly propped against by the auxiliary rubber sheet of the next cover blocking air bag, so that the toppling of the bottom cover at the foremost end is reduced. Along with the advance of bottom cover, the auxiliary rubber piece covers the clearance between two adjacent fender lid gasbags, reduces the resistance that the bottom cover gos forward.
Compared with the prior art, the air bag of the blocking cover rebounds by using air pressure, so that the problem of insufficient rebounding force caused by rubber aging is solved, and the using effect of the cover collecting device is ensured.
Drawings
Fig. 1 is a schematic flow chart of an alloy bottom cover forming process according to the present invention.
Fig. 2 is a schematic perspective view of the cap collecting device.
FIG. 3 is a schematic view of the operation of the flap bladder.
Fig. 4 is a schematic sectional view of the air pressure holding device.
Fig. 5 is a schematic perspective view of the plate fixing device.
Fig. 6 is a schematic perspective view of another angle of the plate fixing device.
Fig. 7 is a perspective view of the clamp.
Fig. 8 is a schematic diagram of the structure of the clamp.
Fig. 9 is a schematic cross-sectional view of the clamp in a closed state.
Fig. 10 is a schematic sectional view of the opened clamp.
Fig. 11 is an enlarged view of the structure at a in fig. 9.
Fig. 12 is an enlarged schematic view of the structure at B in fig. 10.
Fig. 13 is a perspective view of the upper plate.
Fig. 14 is a top view of the upper plate.
Fig. 15 is an exploded view of the upper plate.
Fig. 16 is a perspective view of the position adjustment assembly.
In the figure:
an upper seat 1; a chute 11; a connecting seat 2; a position adjusting hole 21; a lower seat 22; a position adjusting assembly 3; a plug-in end 31; a plug-in post 311; a connecting plate 312; hinge plates 32; an adjustment lever 33; a rotation pin 331; a movable seat 4; an upper sliding plate 41; the side sliding plate 42; a slide stopper 421; a locking block 422; a lock bolt 423; a lower clamping plate 5; a pivoting base 51; a lower clamp plate 52; an upper clamping plate 6; a pivot shaft 61; an upper clamp plate 62; a plate body 621; an adjustment cavity 622; a first toothed plate 623; a second toothed plate 624; a top plate 625; an adjustment hole 626; an adjusting plate 627; ear plates 628; a drive cylinder 63;
a U-shaped cover collecting groove 7; a mount 71; an air passage 72; a flap airbag 73; an auxiliary rubber sheet 74; a gas pressure holding device 75; a cylinder 751; a piston 752; a weight 753; a pressure gauge 754; a delivery conduit 755; a conditioning duct 756; a handle 757; a hoisting ring 758.
Detailed Description
In order to further explain the technical solution of the present invention, the present invention is explained in detail by the following specific examples.
As shown in fig. 1 to 16, the alloy bottom cover forming process according to the present invention includes the following steps: firstly, wave shearing of coiled materials: cutting the tinplate coiled material to form a wave shape, and cutting off the edge materials of the wave-shaped plate; printing and coating processing: coating films on the inner surface and the outer surface of the plate, and then drying; forming the basic cover: fixing the plate by using a plate fixing device and punching the plate to form a cover blank; firstly, pre-forming a countersunk rib at the edge of the cover blank, and then inwards rolling the edge of the cover blank into a sealing groove edge; gluing the sealing edge of the base cover after the curling is finished, and then drying to form the base cover; using a cover collecting device to collect the basic cover into a cylinder shape; fourthly, packaging and warehousing; the cover collecting device comprises a U-shaped cover collecting groove 7 and mounting seats 71 respectively arranged in the length direction of the U-shaped cover collecting groove 7, cover blocking air bags 73 are arranged on one side, facing the U-shaped cover collecting groove 7, of the mounting seats 71 at intervals, air passages 72 are formed in the mounting seats 71, and the air passages 72 are connected with inner cavities of the cover blocking air bags 73 on the mounting seats 71; the blocking cover air bag 73 is inflated to be in a plate shape with the plate surface facing the bottom cover; one end of the blocking cover air bag 73 is connected to the mounting seat 71, the free end of the blocking cover air bag is suspended and extends out of the U-shaped cover collecting groove 7, and one end of the air channel 72 is provided with an air pressure maintaining device 75.
In the alloy bottom cover forming process according to the present invention, the stopper airbag 73 has a plate-like stopper structure under the action of air pressure, and as the bottom cover moves forward, the stopper airbag 73 is bent, and air in the stopper airbag 73 is pushed out. When the cylindrical bottom cover is taken away by a worker or a manipulator, the air in the air passage 72 is filled in the cover blocking air bag 73, and the cover blocking air bag 73 is inflated to return to the initial state. The recovery of the bladder is driven primarily by the air in the air passage 72, thus avoiding the problem of failure of the resilience of the rubber.
Preferably, the pneumatic holding device 75 comprises a vertically arranged cylinder 751, a piston 752 matched with an inner cavity of the cylinder 751 is arranged in the cylinder 751, a weight 753 is arranged on the upper surface of the piston 752, the piston 752 and the inner cavity of the cylinder 751 enclose a pressure cavity, the lower end of the pressure cavity is connected with a conveying pipeline 755, and the conveying pipeline 755 is connected with an air passage 72 in the mounting seat 71; the lower end of the pressure cavity is also provided with a pressure gauge 754 and an adjusting pipeline 756, and the adjusting pipeline 756 is provided with an adjusting valve; the upper surface of the piston 752 is provided with a handle 757, and the upper end of the handle 757 is connected with a hanging ring 758. The pressure of the air in the pressure chamber can be adjusted by increasing or decreasing the weight of the weight 753 on the piston 752, and this is indicated by the pressure gauge 754. Since the weight of the piston 752 and the weight 753 does not change with position during use, the pressure in the pressure chamber remains constant, so that the air pressure in the air passage 72 in the mounting seat 71 remains constant, and the force of each of the cover air bags 73 contacting the bottom cover is substantially the same. Since air in the cylinder 751 part slowly leaks naturally, when air needs to be supplemented, the regulating valve is opened, the piston 752 is lifted up through the lifting handle 757 and the lifting ring 758, air enters the pressure cavity through the regulating pipe 756, and then the regulating valve is closed, so that air supplement can be completed.
Preferably, an auxiliary rubber sheet 74 is arranged on one side of the cover blocking air bag 73 facing the bottom cover, and one end of the auxiliary rubber sheet 74 is connected with the cover blocking air bag 73; in a free state, the angle alpha formed by the auxiliary rubber sheet 74 and the blocking cover air bag 73 is more than or equal to 100 and less than or equal to 150 degrees; after the blocking cover air bags 73 and the auxiliary rubber sheet 74 are abutted by the bottom cover, the auxiliary rubber sheet 74 covers the gap between two adjacent blocking cover air bags 73. When the bottom cover is separated from the previous cover-blocking air bag 73, the bottom cover is firstly supported by the auxiliary rubber sheet 74 of the next cover-blocking air bag 73, so that the toppling of the bottom cover at the foremost end is reduced. As the bottom cover advances, the auxiliary rubber sheet 74 covers the gap between the adjacent two flap air cells 73, reducing resistance to the advancement of the bottom cover.
Preferably, an inflation cavity is arranged in the auxiliary rubber sheet 74, and the inflation cavity is connected with the inner cavity of the flap air bag 73. So that the auxiliary rubber sheet 74 can also be rebounded with the aid of the air pressure.
Preferably, the drying in the second step is divided into three stages of preheating, constant heating and cooling, wherein the preheating temperature is 40-50 ℃ and the time is 1h, the constant heating temperature is 70-80 ℃ and the time is 2h, and the cooling temperature is 20-30 ℃ and the time is 0.5 h. Therefore, the plate has better film coating effect.
Preferably, the plate fixing device in the third step comprises a base and two clamps, the two clamps are mounted on the base, and each clamp comprises a moving seat 4, a lower clamping plate 5, an upper clamping plate 6 and a driving cylinder 63; the movable seat 4 is arranged on the base; the lower clamping plate 5 is fixedly installed on the upper surface of the moving seat 4, two pivoting seats 51 are symmetrically arranged on the upper surface of the lower clamping plate 5, two pivoting shafts 61 which are symmetrically arranged are formed in the middle of the upper clamping plate 6, and the upper clamping plate 6 is rotatably connected to the pivoting seats 51 through the pivoting seats 51; the driving cylinder 63 is hinged on the upper clamping plate 6 and the lower clamping plate 5; a lower clamping plate 52 for clamping the plate is arranged on the lower clamping plate 5, and an upper clamping plate 62 for clamping the plate is arranged on the upper clamping plate 6; the upper clamping plate 62 comprises a plate body 621, a top plate 625 and an adjusting plate 627, wherein an adjusting cavity 622 is formed in the plate body 621, and an adjusting hole 626 is formed in the top plate 625; an ear plate 628 is formed at the upper end of the adjusting plate 627, the adjusting plate 627 is installed in the adjusting cavity 622, the top plate 625 is installed at the upper portion of the plate body 621, and the ear plate 628 passes through the adjusting hole 626 and is rotatably connected with the upper clamping plate 6; a first toothed plate 623 is formed at the bottom of the adjusting cavity 622, a second toothed plate 624 is formed on the lower surface of the adjusting plate 627, and an adjusting gap is formed between the second toothed plate 624 and the second toothed plate 624.
Through setting up panel fixing device, because fixed not firm production that leads to the mar when having reduced panel punching press. Since the upper clamping plate 62 comprises a plate body 621, a top plate 625 and an adjusting plate 627, after the plate body 621 contacts a plate material, the adjusting plate 627 can adjust the position of the plate body 621 along with the falling of the end of the upper clamping plate 6 until the first tooth plate 623 is tightly connected with the second tooth plate 624. This reduces the problem of scuffing of the sheet material at the end of the movement of the upper clamping plate 6.
Preferably, the adjusting hole 626 is a rectangular hole, and the distance between the two side plate surfaces of the ear plate 628 is equal to the width of the adjusting hole 626. Thus, the adjustment aperture 626 limits the relative left and right movement of the ear plate 628 and the top plate 625. The ear plate 628 is only movably adjustable in the width direction of the adjustment hole 626.
Preferably, the adjusting plate 627 has two ear plates 628, and the top cover has two adjusting holes 626; the hinge axes of the two ear plates 628 are coaxially arranged. The provision of two ear plates 628 serves to make the force applied to the adjustment plate 627 more uniform.
Preferably, the base comprises an upper seat 1, a lower seat 22 and a connecting seat 2 connected between the upper seat 1 and the lower seat 22, and a sliding groove 11 is formed on the side surface of the upper seat 1; the movable seat 4 comprises an upper movable plate 41 and two side movable plates 42 integrally connected to the upper movable plate 41, the side movable plates 42 are attached to the side surface of the upper seat 1, a sliding limiting block 421 is installed on one surface of the side movable plates 42 facing the upper seat 1, and the sliding limiting block 421 is arranged in the sliding groove 11 in a sliding mode; the lower end of the lower seat 22 is fixedly connected with a locking block 422, the locking block 422 is located below the lower surface of the upper seat 1, and a locking bolt 423 capable of abutting against the lower surface of the upper seat 1 is arranged on the locking block 422. Compared with the sliding rail positioned at the top, the sliding groove 11 is arranged on the punch press at the side part of the upper seat 1, the punch press is not easy to fall into the sliding groove 11, and the movement of the movable seat 4 is more reliable. After the movable seat 4 is adjusted in place, the locking bolt 423 is screwed down and abuts against the lower surface of the upper seat 1 to realize fixation. Since the locking block 422 is the lower surface of the upper seat 1, the locking block 422 also has an effect of improving the stability of the movable seat 4.
Preferably, the connecting seat 2 is provided with a plurality of position adjusting holes 21 arranged at intervals along the length direction of the upper seat 1, and the position adjusting holes 21 are detachably connected with the position adjusting components 3; the position adjusting assembly 3 comprises a plug-in end 31, a hinge plate 32 and an adjusting rod 33, wherein the hinge plate 32 is connected to the plug-in end 31, and the adjusting rod 33 is rotatably connected with the hinge plate 32; the inserting end 31 can be inserted into the position adjusting hole 21, and the adjusting rod 33 abuts against the side of the locking bolt 423. The tail end of the adjusting rod 33 is provided with an anti-slip sleeve, and anti-slip patterns are arranged on the anti-slip sleeve. By arranging the position adjusting hole 21, the inserting end 31, the hinge plate 32 and the adjusting rod 33, when the position of the moving seat 4 needs to be adjusted, the locking bolt 423 is firstly loosened, the inserting end 31 is inserted into the adjusting hole 626, the adjusting rod 33 is abutted against the locking bolt 423, and the position of the moving seat 4 is adjusted by driving the tail end of the adjusting rod 33 and utilizing the lever action. Due to the fact that the adjusting rod 33 is used for driving, larger driving force can be achieved, meanwhile, the moving distance of the moving seat 4 can be adjusted conveniently, and the phenomenon that the moving seat 4 moves too much due to pushing by hands is reduced.
Preferably, the inserting end 31 includes three inserting columns 311, the same end of the inserting column 311 is connected with a connecting plate 312, the hinge plate 32 is connected to the connecting plate 312, the adjusting lever 33 is provided with a rotating pin 331, and the adjusting lever 33 is detachably connected to the hinge plate 32 through the rotating pin 331. The three inserting columns 311 are inserted into the three position adjusting holes 21, so that the inserting columns 311 are connected more stably, the hinged plate 32 can be prevented from rotating, the adjusting rod 33 is provided with the rotating pin 331, and the adjusting rod 33 can be conveniently connected to the hinged plate 32. The adjusting lever 33 can be removed without adjusting the moving base 4.
Compared with the prior art, the invention realizes the rebound of the blocking cover air bag 73 by using air pressure, reduces the problem of insufficient rebound force caused by rubber aging, and ensures the use effect of the cover collecting device.
The above embodiments and drawings are not intended to limit the form and style of the present invention, and any suitable changes or modifications thereof by those skilled in the art should be considered as not departing from the scope of the present invention.
Claims (5)
1. The alloy bottom cover forming process is characterized by comprising the following steps of:
firstly, wave shearing of coiled materials: cutting the tinplate coiled material to form a wave shape, and cutting off the edge materials of the wave-shaped plate;
printing and coating processing: coating films on the inner surface and the outer surface of the plate, and then drying;
forming the basic cover: fixing the plate by using a plate fixing device and punching the plate to form a cover blank; firstly, pre-forming a countersunk rib at the edge of the cover blank, and then inwards rolling the edge of the cover blank into a sealing groove edge; gluing the sealing edge of the base cover after the curling is finished, and then drying to form the base cover; using a cover collecting device to collect the basic cover into a cylinder shape;
fourthly, packaging and warehousing;
the cover collecting device comprises a U-shaped cover collecting groove and mounting seats respectively arranged in the length direction of the U-shaped cover collecting groove, cover blocking air bags are arranged on one side, facing the U-shaped cover collecting groove, of the mounting seats at intervals, air passages are formed in the mounting seats, and the air passages are connected with inner cavities of the cover blocking air bags on the mounting seats; the baffle cover air bag is in a plate shape with the plate surface facing the bottom cover after being inflated; and one end of the air passage is provided with an air pressure maintaining device.
2. The forming process of an alloy bottom cover according to claim 1, wherein the air pressure maintaining device comprises a vertically arranged cylinder body, a piston matched with an inner cavity of the cylinder body is arranged in the cylinder body, a weight is arranged on the upper surface of the piston, the piston and the inner cavity of the cylinder body form a pressure cavity in a surrounding mode, the lower end of the pressure cavity is connected with a conveying pipeline, and the conveying pipeline is connected with an air passage in the mounting seat; the lower end of the pressure cavity is also provided with a pressure gauge and an adjusting pipeline, and the adjusting pipeline is provided with an adjusting valve; the piston upper surface is provided with the handle, the handle upper end is connected with rings.
3. The process for forming an alloy bottom cover according to claim 1, wherein an auxiliary rubber sheet is provided on a side of the stopper airbag facing the bottom cover, and one end of the auxiliary rubber sheet is connected to the stopper airbag; in a free state, the angle alpha formed by the auxiliary rubber sheet and the air bag of the blocking cover is more than or equal to 100 degrees and less than or equal to 150 degrees; after the blocking cover air bags and the auxiliary rubber sheets are propped against by the bottom cover, the auxiliary rubber sheets cover the gap between every two adjacent blocking cover air bags.
4. The process for forming an alloy bottom cover according to claim 1, wherein an inflation cavity is formed in the auxiliary rubber sheet, and the inflation cavity is connected with the inner cavity of the air bag of the baffle cover.
5. The process for forming an alloy bottom cover according to claim 1, wherein the drying step is divided into three stages of preheating at a temperature of 40-50 ℃ for 1 hour, constant heating at a temperature of 70-80 ℃ for 2 hours, and cooling at a temperature of 20-30 ℃ for 0.5 hour.
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| CN105689588A (en) * | 2015-09-30 | 2016-06-22 | 安徽中盛罐业有限公司 | Forming technology for easily-opened tinplate cover |
| CN106014955A (en) * | 2016-06-13 | 2016-10-12 | 新兴重工湖北三六机械有限公司 | Pressure stabilization device |
| CN205909906U (en) * | 2016-07-26 | 2017-01-25 | 宁波创盛仪表有限公司 | Portable gas flowmeter pressure resistance test installation |
| CN106826127A (en) * | 2017-02-22 | 2017-06-13 | 青岛北琪实业有限公司 | A kind of tin is uncapped moulding process |
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| CN104895854A (en) * | 2015-05-27 | 2015-09-09 | 深圳市优美环境治理有限公司 | Pressure cylinder |
| CN104985070A (en) * | 2015-07-13 | 2015-10-21 | 桐乡市凤鸣制罐厂 | Tinplate clamping mechanism |
| CN105689588A (en) * | 2015-09-30 | 2016-06-22 | 安徽中盛罐业有限公司 | Forming technology for easily-opened tinplate cover |
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| CN111589974B (en) | 2022-12-09 |
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Denomination of invention: A Forming Process for Alloy Bottom Cover Effective date of registration: 20231229 Granted publication date: 20221209 Pledgee: Industrial Bank Limited by Share Ltd. Zhangzhou branch Pledgor: FUJIAN JINRUIDA METAL PACKING CO.,LTD. Registration number: Y2023980075738 |
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