CN110803316A - Be used for dustproof blow molding packaging production line of high-accuracy valve foundry goods - Google Patents
Be used for dustproof blow molding packaging production line of high-accuracy valve foundry goods Download PDFInfo
- Publication number
- CN110803316A CN110803316A CN201911184227.5A CN201911184227A CN110803316A CN 110803316 A CN110803316 A CN 110803316A CN 201911184227 A CN201911184227 A CN 201911184227A CN 110803316 A CN110803316 A CN 110803316A
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- roller
- rotating
- conveying line
- blow molding
- tube
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
- B65B11/00—Wrapping, e.g. partially or wholly enclosing, articles or quantities of material, in strips, sheets or blanks, of flexible material
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C49/00—Blow-moulding, i.e. blowing a preform or parison to a desired shape within a mould; Apparatus therefor
- B29C49/42—Component parts, details or accessories; Auxiliary operations
- B29C49/4205—Handling means, e.g. transfer, loading or discharging means
- B29C49/42069—Means explicitly adapted for transporting blown article
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
- B65B41/00—Supplying or feeding container-forming sheets or wrapping material
- B65B41/12—Feeding webs from rolls
- B65B41/16—Feeding webs from rolls by rollers
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Buffer Packaging (AREA)
Abstract
The invention discloses a blow molding packaging production line for dust prevention of a high-precision valve casting, which comprises a blow molding machine, a tube bubble conveying line, a transmission roller set, a clamping roller set, a traction roller set, a feeding platform, an air heating spray pipe, electric shears and a receiving barrel, wherein the transmission roller set comprises four first rotating rollers, and the inner diameter of the tube bubble conveying line is reduced after the tube bubble conveying line is adjusted by the transmission roller set; the clamping roller group consists of a fixed clamping roller and a rotating clamping roller, the fixed clamping roller comprises a circular ring, a hydraulic cylinder, a U-shaped bracket and a second rotating roller, a gear ring is arranged on the outer ring of the rotating clamping roller, and the gear ring is engaged with a driving gear, a driving shaft and a high-speed motor; the feeding platform is provided with a hydraulic push rod; the air heating spray pipe is connected with the pressurizing pump machine and the air heating pipe; the set of traction rollers includes a third rotating roller and a fourth rotating roller. The invention firstly utilizes the blow molding film softened by heating to package the valve casting, the packaging method is quick, and the moisture-proof and corrosion-proof effects of the valve casting in the storage and transportation processes are improved.
Description
Technical Field
The invention relates to the technical field of surface treatment of valve castings, in particular to a dustproof blow molding packaging production line for high-precision valve castings.
Background
The casting process of the valve is generally carried out by ① casting mould, ② melting and pouring of casting metal, ③ casting treatment and inspection, wherein the casting treatment comprises removing the impurities on the surface of the core and the casting, cutting off a casting head, scraping burrs, flashing and the like, heat treatment, shaping, rust prevention treatment, rough machining and the like.
Along with the continuous improvement of the requirement of each industry, especially in the instrument and meter field, high-precision valve application is more and more extensive, and the dust and the piece on valve surface are very significant to the sealing connectivity of valve, and current dust removal method is too rough, causes the valve surface, especially the mirror surface department of valve butt joint, because the electrostatic interaction, easily is stained with dust and piece etc. and causes the leakproofness not high enough when the butt joint to influence the accuracy of instrument and meter.
The common electrostatic dust removal or washing, drying and dust removal method has poor effect, so the existing dust removal process on the surface of the valve needs to be improved.
Disclosure of Invention
The invention aims to solve the defects in the prior art, and provides a dustproof blow-molding packaging production line for high-precision valve castings.
In order to achieve the purpose, the invention adopts the following technical scheme:
a blow molding packaging production line for dust prevention of high-precision valve castings comprises a blow molding machine, a tube bubble conveying line blown out by the blow molding machine, a conveying roller set arranged at the initial section of the tube bubble conveying line, a clamping roller set arranged at the middle section of the tube bubble conveying line, a traction roller set arranged at the final section of the tube bubble conveying line, a feeding platform arranged at the upper position of the clamping roller set, an air heating spray pipe arranged at the lower position of the clamping roller set, electric shears arranged below the traction roller set and a material receiving barrel positioned right below the electric shears, wherein the conveying roller set comprises four first rotating rollers, wherein two first rotating rollers are contacted with the upper film of the bulb conveying line, the other two first rotating rollers are contacted with the lower film of the bulb conveying line, the upper film of the tube bubble conveying line is horizontally placed, and the lower film of the tube bubble conveying line is obliquely and upwards placed, namely the inner diameter of the tube bubble conveying line is reduced after the tube bubble conveying line is adjusted by the conveying roller group;
the clamping roller group consists of a fixed clamping roller and a rotating clamping roller, the fixed clamping roller is closer to the transmission roller group, the rotating clamping roller is closer to the traction roller group, and the distance between the fixed clamping roller and the rotating clamping roller is more than 3 times of the size of the valve casting;
the fixed clamp roller mainly comprises a circular ring, two hydraulic cylinders symmetrically arranged on the inner wall of the circular ring, a U-shaped support connected to one end of each hydraulic cylinder and a second rotating roller erected on the U-shaped support through a pin shaft, and the rotating clamp roller is also provided with the circular ring, the hydraulic cylinders, the U-shaped supports and the second rotating roller which are the same as the fixed clamp roller;
the pipe bubble conveying line is positioned between the two second rotating rollers, the outer ring of the rotating clamping roller is provided with a gear ring, the gear ring is meshed with a driving gear, the center of the driving gear is sleeved with a driving shaft, and the driving shaft is connected with a high-speed motor;
the feeding platform is positioned right above the fixed nip roller, a hydraulic push rod is arranged on the upper surface of the feeding platform, and the valve casting is pushed by the hydraulic push rod to fall onto a bulb conveying line between the fixed nip roller and the rotating nip roller from the feeding platform;
the air heating spray pipe is connected with a pressurizing pump machine, the pressurizing pump machine is connected with an air heating pipe, and the temperature of the air heating pipe is controlled to be 80-90 ℃;
the drawing roller group consists of a third rotating roller and two fourth rotating rollers which are distributed in a triangular manner, the direction of the tube bubble conveying line is changed from the horizontal direction to the vertical direction downwards after the tube bubble conveying line is driven by the drawing roller group, and spring rods are respectively connected to two ends of each fourth rotating roller in a penetrating manner through pin shafts;
two cutting parts of the electric shears are respectively the positions at two sides of the tube bulb conveying line;
the material receiving barrel is internally padded with rubber packing.
Preferably, the main material of the bubble conveying line is any one of polypropylene, polyethylene or polyvinyl chloride.
Preferably, the rubber packing of the receiving bucket is specifically any of a sphere, a cylinder, a cone or a wedge.
Preferably, the center positions of one end faces of the four first rotating rollers and the third rotating rollers are connected with second driving shafts through flat keys, and any one of the second driving shafts is connected with a low-speed motor.
Preferably, the spring rod is a shock absorber, one end of the spring rod is circular, and the pin shafts at two ends of the fourth rotating roller are sleeved in the circular ring of the spring rod.
Preferably, the surface of the fourth rotating roller is wrapped with a sponge sleeve.
Preferably, the blow moulding machine is in particular a SLBKX-55 blow moulding machine.
Compared with the prior art, the invention has the beneficial effects that:
the invention has two purposes that the valve casting needs to be wrapped by the blown film:
firstly, the valve casting is protected, pits or scratches generated by the compression or impact of the valve are avoided, the valve is convenient to package, and the risk that the valve is affected with damp and damaged by external force in the transportation and storage processes is avoided;
secondly, the blow molding film softened by heating is attached to the valve casting to pick up dust and scraps on the surface and at each corner, and the film is torn off when in use, so that the dust content on the surface and at each corner of the valve is lower than 0.5 percent.
The invention is characterized in that the valve casting is packaged by the blow molding film softened by heating, which is a feasible creative thinking, and the packaging method is rapid, is beneficial to improving the moisture-proof and corrosion-proof functions of the valve casting in the storage and transportation processes, and is worth popularizing.
Drawings
FIG. 1 is a schematic structural diagram of a blow molding packaging production line for dust prevention of high-precision valve castings, which is provided by the invention;
FIG. 2 is a schematic structural diagram of a fixing clamp roller of the blow molding packaging production line for dust prevention of high-precision valve castings, which is provided by the invention;
FIG. 3 is a schematic structural view of a rotating pinch roller of a blow molding packaging production line for dust prevention of high-precision valve castings, which is provided by the invention;
in the figure: the blowing machine comprises a blowing machine 1, a tube bubble conveying line 2, a conveying roller group 3, a first rotating roller 301, a clamping roller group 4, a fixed clamping roller wheel 401, a rotating clamping roller wheel 402, a circular ring 403, a hydraulic cylinder 404, a U-shaped support 405, a second rotating roller 406, a gear ring 407, a driving gear 408, a driving shaft 409, a high-speed motor 410, a traction roller group 5, a third rotating roller 501, two fourth rotating rollers 502, a spring rod 503, a feeding platform 6, a hydraulic push rod 601, an air heating spray pipe 7, electric shears 8, a material receiving barrel 9, a pressurizing pump machine 10, an air heating pipe 11 and a second driving shaft 12.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Referring to fig. 1, a blow molding packaging production line for dust prevention of high-precision valve castings comprises a blow molding machine 1, a bubble conveying line 2 blown out by the blow molding machine 1, a transmission roller set 3 arranged at the initial section of the bubble conveying line 2, a clamping roller set 4 arranged at the middle section of the bubble conveying line 2, a traction roller set 5 arranged at the final section of the bubble conveying line 2, a feeding platform 6 arranged at the upper position of the clamping roller set 4, an air heating spray pipe 7 arranged at the lower position of the clamping roller set 4, electric shears 8 arranged below the traction roller set 5 and a receiving barrel 9 positioned right below the electric shears 7, wherein the transmission roller set 3 comprises four first rotating rollers 301, two first rotating rollers 301 are in film contact with the upper part of the bubble conveying line 2, the other two first rotating rollers 301 are in film contact with the lower part of the bubble conveying line 2, and the upper film of the bubble conveying line 2 is horizontally arranged, the lower film of the tube bubble conveying line 2 is obliquely and upwards placed, namely the inner diameter of the tube bubble conveying line 2 is reduced after the tube bubble conveying line is adjusted by the conveying roller group 3;
referring to fig. 1-3, the pinch roller set 4 is composed of a fixed pinch roller 401 and a rotating pinch roller 402, the fixed pinch roller 401 is closer to the transfer roller set 3 and the rotating pinch roller 402 is closer to the traction roller set 5, and the distance between the fixed pinch roller 401 and the rotating pinch roller 402 is more than 3 times of the size of the valve casting; the fixing clamp roller wheel 401 mainly comprises a circular ring 403, two hydraulic cylinders 404 symmetrically arranged on the inner wall of the circular ring 403, a U-shaped bracket 405 connected to one end of the hydraulic cylinders 404 and a second rotating roller 406 erected on the U-shaped bracket 405 through a pin shaft, and the rotating clamp roller wheel 402 is also provided with the circular ring 403, the hydraulic cylinders 404, the U-shaped bracket 405 and the second rotating roller 406 which are the same as the fixing clamp roller wheel 401; the difference is that the outer ring 403 of the fixing nip roller wheel 401 is fixed, the tube bubble conveying line 2 is located between the two second rotating rollers 406, the outer ring 403 of the rotating nip roller wheel 402 is provided with a gear ring 407, the gear ring 407 is meshed with a driving gear 408, the center of the driving gear 408 is sleeved with a driving shaft 409, and the driving shaft 409 is connected with a high-speed motor 410; the feeding platform 6 is positioned right above the fixing clamp roller 401, a hydraulic push rod 601 is arranged on the upper surface of the feeding platform 6, and the valve castings are pushed by the hydraulic push rod 601 to fall onto the bubble conveying line 2 between the fixing clamp roller 401 and the rotating clamp roller 402 from the feeding platform 6; the air heating spray pipe 7 is connected with a pressurizing pump machine 10, the pressurizing pump machine 10 is connected with an air heating pipe 11, and the temperature of the air heating pipe 11 is controlled to be 80-90 ℃;
the principle of the clamping roller group 4 is that a valve casting is in free fall, so that the impact force of the valve casting causes the deformation and even cracking of the upper film of the tube bubble conveying line 2, the lower film of the impact force of the valve casting is in contact with the lower film, and the tearing force of the PE film is controlled to be generally 70kg/cm in the control process2More than one 0.6kg valve casting falls to the lower part of the film from the position with the height of 50cm, the punching pressure is about 6N, the deformation of the common PE film can reach 150%, and the valve is wrapped by the film on the upper part of the tube bubble conveying line 2; at the moment, one end of the section of the tube bubble conveying line 2 is clamped by the fixing clamp roller 401, the other end of the section of the tube bubble conveying line is clamped by the rotating clamp roller 402, at the moment, the high-speed motor 410 is started, the rotating clamp roller 402 rotates at a high speed, and the valve casting is wrapped by the film at the section of the tube bubble conveying line 2; at the moment, the film is smoothly jointed with the surface of the valve casting through the heating softening of the air heating spray pipe 7, and the softened film is jointed at each corner;
referring to fig. 1, the traction roller set 5 is composed of a third rotating roller 501 and two fourth rotating rollers 502 which are distributed in a triangular manner, the direction of the bubble conveying line 2 is changed from the horizontal direction to the vertical direction downwards after being driven by the traction roller set 5, and spring rods 503 are respectively connected to two ends of each fourth rotating roller 502 in a penetrating manner through pin shafts; two blade parts of the electric shears 8 are respectively the positions at two sides of the tube bulb conveying line 2; the material receiving barrel 9 is filled with rubber filler.
And stopping the high-speed motor 410, loosening the fixed nip roller wheel 401 and the rotating nip roller wheel 402, smoothly conveying the softened film wrapped with the valve castings to the traction roller group 5, and enabling the film to be more tightly attached to the valve castings through the steering drive of the third rotating roller 501 and the surface contact of the fourth rotating roller 502.
The invention has two purposes that the valve casting needs to be wrapped by the blown film:
firstly, the valve casting is protected, pits or scratches generated by the compression or impact of the valve are avoided, the valve is convenient to package, and the risk that the valve is affected with damp and damaged by external force in the transportation and storage processes is avoided;
secondly, the blow molding film softened by heating is attached to the valve casting to pick up dust and scraps on the surface and at each corner, and the film is torn off when in use, so that the dust content on the surface and at each corner of the valve is lower than 0.5 percent.
The invention is characterized in that the valve casting is packaged by the blow molding film softened by heating, which is a feasible creative thinking, and the packaging method is rapid, is beneficial to improving the moisture-proof and corrosion-proof functions of the valve casting in the storage and transportation processes, and is worth popularizing.
Referring to fig. 1, the main material of the bubble conveying line 2 is any one of polypropylene, polyethylene, and polyvinyl chloride.
Referring to fig. 1, the rubber filler of the receiving barrel 9 is specifically any one of a sphere, a cylinder, a cone or a wedge, and the rubber filler is used for buffering a valve casting to avoid stamping damage.
Referring to fig. 1, the center positions of one end surfaces of the four first rotating rollers 301 and the third rotating roller 501 are connected with second driving shafts 12 through flat keys, and any one of the second driving shafts 12 is connected with a low-speed motor, so that the bubble conveying line 2 runs at a low speed, and sufficient time is provided for the wrapping operation of the valve castings.
Referring to fig. 1, the spring bar 503 is a shock absorber, and one end of the spring bar 503 is circular ring-shaped, and pins at both ends of the fourth rotating roller 502 are sleeved in the circular ring of the spring bar 503.
Referring to fig. 1, the blow molding machine 1 is specifically a SLBKX-55 blow molding machine.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (7)
1. A blow molding packaging production line for dust prevention of high-precision valve castings comprises a blow molding machine (1), a tube bubble conveying line (2) blown out by the blow molding machine (1), a transmission roller set (3) arranged at the initial section of the tube bubble conveying line (2), a clamping roller set (4) arranged at the middle section of the tube bubble conveying line (2), a traction roller set (5) arranged at the final section of the tube bubble conveying line (2), a feeding platform (6) arranged at the upper part of the clamping roller set (4), an air heating spray pipe (7) arranged at the lower part of the clamping roller set (4), an electric shear (8) arranged below the traction roller set (5) and a material receiving barrel (9) positioned right below the electric shear (7), and is characterized in that the transmission roller set (3) comprises four first rotating rollers (301), wherein the first rotating rollers (301) are in contact with an upper thin film of the tube bubble conveying line (2), the other two first rotating rollers (301) are in contact with the lower film of the tube bulb conveying line (2), the upper film of the tube bulb conveying line (2) is horizontally placed, the lower film of the tube bulb conveying line (2) is obliquely and upwards placed, and the inner diameter of the tube bulb conveying line (2) is reduced after the tube bulb conveying line is adjusted by the conveying roller group (3);
the clamping roller group (4) consists of a fixed clamping roller wheel (401) and a rotating clamping roller wheel (402), the fixed clamping roller wheel (401) is closer to the transmission roller group (3), the rotating clamping roller wheel (402) is closer to the traction roller group (5), and the distance between the fixed clamping roller wheel (401) and the rotating clamping roller wheel (402) is more than 3 times of the size of a valve casting;
the fixing clamp roller wheel (401) mainly comprises a circular ring (403), two hydraulic cylinders (404) symmetrically arranged on the inner wall of the circular ring (403), a U-shaped support (405) connected to one end of the hydraulic cylinders (404) and a second rotating roller (406) erected on the U-shaped support (405) through a pin shaft, and the rotating clamp roller wheel (402) is also provided with the circular ring (403), the hydraulic cylinders (404), the U-shaped support (405) and the second rotating roller (406) which are the same as the fixing clamp roller wheel (401);
the difference is that the outer ring of a circular ring (403) of the fixed nip roller wheel (401) is fixed, the bulb conveying line (2) is located between two second rotating rollers (406), the outer ring of the circular ring (403) of the rotating nip roller wheel (402) is provided with a gear ring (407), the gear ring (407) is meshed with a driving gear (408), the center of the driving gear (408) is sleeved with a driving shaft (409), and the driving shaft (409) is connected with a high-speed motor (410);
the feeding platform (6) is positioned right above the fixing clamp roller (401), a hydraulic push rod (601) is arranged on the upper surface of the feeding platform (6), and the valve casting is pushed by the hydraulic push rod (601) from the feeding platform (6) to fall onto the tube bubble conveying line (2) between the fixing clamp roller (401) and the rotating clamp roller (402);
the air heating spray pipe (7) is connected with a pressurizing pump machine (10), the pressurizing pump machine (10) is connected with an air heating pipe (11), and the temperature of the air heating pipe (11) is controlled to be 80-90 ℃;
the drawing roller group (5) consists of a third rotating roller (501) and two fourth rotating rollers (502) which are distributed in a triangular manner, the direction of the bubble conveying line (2) is changed from the horizontal direction to the vertical direction downwards after being driven by the drawing roller group (5), and two ends of each fourth rotating roller (502) are respectively connected with a spring rod (503) in a penetrating manner through a pin shaft;
two cutting parts of the electric shears (8) are respectively the positions at two sides of the tube bulb conveying line (2);
rubber packing is padded in the material receiving barrel (9).
2. The blow molding packaging production line for the dust prevention of the high-precision valve castings according to claim 1, wherein the main material of the bubble conveying line (2) is any one of polypropylene, polyethylene or polyvinyl chloride.
3. The blow molding packaging production line for the dust prevention of the high-precision valve castings according to claim 1, characterized in that the rubber packing of the receiving barrel (9) is any one of spherical, cylindrical, conical or wedge-shaped.
4. The blow molding packaging production line for dust prevention of the high-precision valve castings according to claim 1, wherein a second driving shaft (12) is connected to the center positions of one end faces of the four first rotating rollers (301) and the third rotating roller (501) through flat keys, and a low-speed motor is connected to any one of the second driving shafts (12).
5. The blow molding packaging production line for dust prevention of high-precision valve castings according to claim 1, wherein the spring rod (503) is a shock absorber, one end of the spring rod (503) is annular, and pin bushings at two ends of the fourth rotating roller (502) are sleeved in the annular ring of the spring rod (503).
6. The blow molding packaging production line for high-precision valve castings, which is used for dust prevention of high-precision valve castings, according to claim 1, is characterized in that the surface of the fourth rotating roller (502) is wrapped with a sponge sleeve.
7. Blow-moulding packaging line for dust protection of high-precision valve castings according to claim 1, characterized in that the blow-moulding machine (1) is in particular a SLBKX-55 blow-moulding machine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911184227.5A CN110803316A (en) | 2019-11-27 | 2019-11-27 | Be used for dustproof blow molding packaging production line of high-accuracy valve foundry goods |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911184227.5A CN110803316A (en) | 2019-11-27 | 2019-11-27 | Be used for dustproof blow molding packaging production line of high-accuracy valve foundry goods |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110803316A true CN110803316A (en) | 2020-02-18 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911184227.5A Withdrawn CN110803316A (en) | 2019-11-27 | 2019-11-27 | Be used for dustproof blow molding packaging production line of high-accuracy valve foundry goods |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110803316A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111720574A (en) * | 2020-05-23 | 2020-09-29 | 联科阀门有限公司 | Pneumatic film diaphragm governing valve of lining fluorine and production forming device |
-
2019
- 2019-11-27 CN CN201911184227.5A patent/CN110803316A/en not_active Withdrawn
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111720574A (en) * | 2020-05-23 | 2020-09-29 | 联科阀门有限公司 | Pneumatic film diaphragm governing valve of lining fluorine and production forming device |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20200218 |
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| WW01 | Invention patent application withdrawn after publication |