CN113232243A - SCR denitration catalyst production mold and production method thereof - Google Patents
SCR denitration catalyst production mold and production method thereof Download PDFInfo
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- CN113232243A CN113232243A CN202110555377.3A CN202110555377A CN113232243A CN 113232243 A CN113232243 A CN 113232243A CN 202110555377 A CN202110555377 A CN 202110555377A CN 113232243 A CN113232243 A CN 113232243A
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- baffle
- side frame
- shell
- pneumatic rod
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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
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/26—Moulds
- B29C45/261—Moulds having tubular mould cavities
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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
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/26—Moulds
- B29C45/2602—Mould construction elements
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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
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/26—Moulds
- B29C45/34—Moulds having venting means
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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
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/40—Removing or ejecting moulded articles
- B29C45/4005—Ejector constructions; Ejector operating mechanisms
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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
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/26—Moulds
- B29C2045/2683—Plurality of independent mould cavities in a single mould
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2031/00—Other particular articles
- B29L2031/60—Multitubular or multicompartmented articles, e.g. honeycomb
- B29L2031/601—Multi-tubular articles, i.e. composed of a plurality of tubes
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Injection Moulding Of Plastics Or The Like (AREA)
- Exhaust Gas Treatment By Means Of Catalyst (AREA)
Abstract
The invention discloses an SCR denitration catalyst production mold and a production method thereof, wherein the SCR denitration catalyst production mold comprises a rack, a shell, a left baffle, a right baffle and an injection molding module, the rack comprises a left side frame and a right side frame, the left side frame and the right side frame are arranged in a bilateral symmetry mode, guide rods are arranged between the left side frame and the right side frame, the four guide rods are respectively arranged at four corners of the left side frame and the right side frame, portal frames are arranged at the upper ends of the left side frame and the right side frame, the shell is installed in the rack, a left baffle and a right baffle are respectively arranged at the left end and the right end of the shell, openings at the left end and the right end of the shell are respectively blocked by the left baffle and the right baffle, a casting containing cavity is formed in the shell, and the injection molding module is installed on the right baffle. Through inserting many notes material pipes and annotating the material simultaneously in the casing for annotate the material more evenly abundant, guarantee shaped catalyst's that can be fine quality avoids catalyst surface or inside to form defects such as crack or cavity.
Description
Technical Field
The invention relates to the technical field of forming dies, in particular to a die for producing an SCR denitration catalyst and a production method thereof.
Background
The SCR denitration catalyst generally refers to a catalyst applied to a denitration system for treating various exhaust gases, and in a production process, the SCR denitration catalyst firstly needs to fully mix and stir mixed raw materials, then is molded by using a mold, or is molded by an extrusion process, and is cut into a required shape and size after being air-dried.
Various current production processes have some problems, and although the forming speed is high when an extrusion process is used, the forming quality is poor, the outline dimension precision of a formed product is low, the drying speed is low when a mould is used for forming, the deformation is easy to occur when the mould is demoulded, and the like, so that a mould is urgently needed to solve the problems.
Disclosure of Invention
The invention aims to provide a production die of an SCR denitration catalyst and a production method thereof, so as to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme:
a production mold of an SCR denitration catalyst comprises a frame, a shell, a left baffle, a right baffle and an injection molding module, wherein the frame comprises a left side frame and a right side frame which are arranged in a bilateral symmetry manner, guide rods are arranged between the left side frame and the right side frame, the four guide rods are respectively arranged at four corners of the left side frame and the right side frame, portal frames are arranged at the upper ends of the left side frame and the right side frame, the shell is installed in the frame, a left baffle and a right baffle are respectively arranged at the left end and the right end of the shell, openings at the left end and the right end of the shell are respectively plugged by the left baffle and the right baffle, a casting cavity is formed inside the shell, the injection molding module is installed on the right baffle, support plates are arranged at the front end and the rear end of the injection molding module, a plurality of injection pipes are installed at the left end of the injection molding module, the injection pipes are in one-to-one correspondence with through holes in the right baffle, and the cross sectional shapes of the injection pipes are the same as the inner sections of the through holes, the injection pipes on the injection molding modules are inserted into the through holes in the right baffle plate in a one-to-one correspondence mode, the injection pipes penetrate through the through holes and are inserted into the shell, and after the injection pipes are completely inserted, the left ends of the injection pipes are inserted into the air outlet holes in the left baffle plate.
As a further scheme of the invention: the front ends and the rear ends of the left side frame and the right side frame are also provided with connecting plates, the left end and the right end of each connecting plate are fixedly connected with the left side frame and the right side frame respectively, the left side frame and the right side frame are connected together through the connecting plates, the middle of each connecting plate is provided with a mounting hole, and a motor is mounted on the connecting plate at the front end.
As a further scheme of the invention: the left and right ends of the portal frame are fixedly connected with the left side frame and the right side frame respectively, a fourth pneumatic rod is mounted in the middle of the portal frame, a pressing plate is mounted at the lower end of the fourth pneumatic rod, and the pressing plate is connected with a telescopic rod in the fourth pneumatic rod.
As a further scheme of the invention: the casing is for controlling the square shell structure that both ends run through, and the terminal surface is provided with the installation axle around the casing, and the installation axle at both ends is rotated through the bearing and is installed in the mounting hole in the connecting plate around the casing, the installation axle of casing front end passes the mounting hole and is connected with the pivot of motor, the inboard department of opening at casing both ends is provided with the chamfer.
As a further scheme of the invention: guide holes are formed in four corners of the left baffle plate and correspond to four guide rods in the rack to be matched, a first pneumatic rod is installed at the middle of the left end of the left baffle plate, a cylinder of the first pneumatic rod is fixedly installed on a left side frame, the right end of a telescopic rod of the first pneumatic rod is connected with the left baffle plate, a boss is arranged on the right side of the left baffle plate, the appearance of the boss is the same as the inner cross section of the shell, an air chamber is arranged inside the left baffle plate, a plurality of air outlets are formed in the boss and connected with the air chamber inside the left baffle plate, an air inlet is formed in the upper end of the left baffle plate, and the air inlet is connected with a high-pressure air pipe.
As a further scheme of the invention: guide holes are formed in four corners of the right baffle, the guide holes are matched with four guide rods in the rack in a corresponding mode, a second pneumatic rod is installed at the right end of the right baffle, a cylinder of the second pneumatic rod is fixedly installed on the right side frame, the left end of a telescopic rod of the second pneumatic rod is connected with the right baffle, a plurality of through holes are formed in the right baffle, the through holes in the right baffle are in one-to-one correspondence with air outlet holes in the left baffle, and the through holes are identical to the air outlet holes in shape and size.
As a further scheme of the invention: the utility model discloses a mould plastics, including mould plastics module, the right-hand member of mould plastics module is provided with the feed inlet in the middle part, and the right-hand member and the feed pipe of feed inlet are connected, and the feed inlet with do not have the root to annotate the inside all intercommunication of charging pipe, annotate and seted up a plurality of discharge gates on the material pipe, the module of moulding plastics is installed on right baffle through the cooperation of annotating material pipe and through-hole, installs the third pneumatic stem between mould plastics module and the right baffle, the cylinder fixed mounting of third pneumatic stem is on right baffle, and the telescopic link of third pneumatic stem is connected with the extension board on the module of moulding plastics.
As a further scheme of the invention: the invention also discloses a production method of the die for producing the SCR denitration catalyst, which comprises the following steps:
s1, controlling the motor to drive the shell to rotate to a horizontal state, and enabling the openings at the two ends of the shell to horizontally face the left end and the right end;
s2, simultaneously starting the first pneumatic rod and the second pneumatic rod to respectively push the left baffle and the right baffle to the shell, so that the left baffle and the right baffle close the openings at the two ends of the shell;
s3, controlling a third pneumatic rod to drive the injection molding module to move leftwards, so that the material injection pipe is inserted into the shell through the through hole in the right baffle, the left end of the material injection pipe is inserted into the air outlet hole in the left baffle, and the air outlet hole in the left baffle and the through hole in the right baffle are blocked through the material injection pipe;
s4, injecting materials;
s5, controlling a third pneumatic rod to push an injection molding module to move rightwards, driving an injection pipe to be drawn out from a shell, forming an air channel in a catalyst, controlling high-pressure gas to enter an air chamber through an air inlet, and after the injection pipe is drawn out from an air outlet, the high-pressure gas enters the air channel and applies air pressure to the inner wall of the air channel;
s6, after the material injection pipe is completely pulled out of the shell, the first pneumatic rod and the second pneumatic rod are controlled to pull the left baffle and the right baffle back from the two ends of the shell to reset;
s7, controlling the motor to drive the shell to rotate, enabling the openings at the two ends of the shell to be positioned at the upper end and the lower end, starting the fourth pneumatic rod, pushing the pressing plate to move downwards through the fourth pneumatic rod, and pushing the catalyst out of the shell;
and S8, controlling the fourth pneumatic rod to pull the pressing plate to move upwards for resetting, and controlling the motor to drive the shell to rotate, so that the openings at the two ends of the shell are positioned at the horizontal positions of the left end and the right end.
Compared with the prior art, the invention has the beneficial effects that:
1. the material injection is carried out by inserting a plurality of material injection pipes into the shell, so that the material injection is more uniform and sufficient, the quality of the formed catalyst can be well ensured, and the defects of cracks or cavities and the like formed on the surface or inside of the catalyst are avoided;
2. through set up the venthole that corresponds with the wind channel in the catalyst in left baffle, can carry out quick air-dry to the catalyst after the shaping, improve production machining efficiency.
Drawings
Fig. 1 is a schematic perspective structure diagram of a mold for producing an SCR denitration catalyst.
Fig. 2 is a schematic perspective structure diagram of a frame in an SCR denitration catalyst production mold.
Fig. 3 is a schematic perspective view of a frame removing part of a mold for producing an SCR denitration catalyst.
Fig. 4 is a schematic perspective structure diagram of an injection molding module in an SCR denitration catalyst production mold.
Fig. 5 is an exploded view of a mold for producing an SCR denitration catalyst with a three-dimensional structure of a frame portion removed.
FIG. 6 is a schematic view of a cross-sectional structure of a SCR denitration catalyst production mold in a top view, with a frame portion removed.
In the figure: 1. a frame; 2. a housing; 3. a left baffle; 4. a right baffle; 5. an injection molding module; 6. a catalyst; 7. a first pneumatic rod; 8. a second pneumatic rod; 9. a third pneumatic rod; 11. a left side frame; 12. a right side frame; 13. a guide bar; 14. a connecting plate; 15. a motor; 16. a gantry; 17. a fourth pneumatic rod; 18. pressing a plate; 21. installing a shaft; 31. a boss; 32. an air outlet; 33. an air chamber; 34. an air inlet; 41. a through hole; 51. a material injection pipe; 52. a support plate; 53. a feed inlet; 54. a discharge port; 61. an air duct.
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. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-6, a mold for producing an SCR denitration catalyst includes a frame 1, a housing 2, a left baffle 3, a right baffle 4, and an injection molding module 5.
As shown in fig. 2, the rack 1 includes a left side frame 11 and a right side frame 12, the left side frame 11 and the right side frame 12 are arranged in bilateral symmetry, connecting plates 14 are further arranged in the middle of the front end and the rear end of the left side frame 11 and the right side frame 12, the left end and the right end of each connecting plate 14 are respectively fixedly connected with the left side frame 11 and the right side frame 12, the left side frame 11 and the right side frame 12 are connected together through the connecting plates 14, a mounting hole is formed in the middle of each connecting plate 14, a motor 15 is mounted on the connecting plate 14 at the front end, guide rods 13 are arranged between the left side frame 11 and the right side frame 12, the four guide rods 13 are respectively arranged at four corners of the left side frame 11 and the right side frame 12, a portal frame 16 is arranged at the upper ends of the left side frame 11 and the right side frame 12, the lower portions of the left end and the right end of the portal frame 16 are respectively fixedly connected with the left side frame 11 and the right side frame 12, a fourth pneumatic rod 17 is mounted in the middle of the portal frame 16, the lower extreme of fourth pneumatic rod 17 is installed clamp plate 18, the telescopic link in clamp plate 18 and the fourth pneumatic rod 17 is connected, and fourth pneumatic rod 17 can promote clamp plate 18 up-and-down motion.
Guide holes are arranged at four corners of the left baffle 3 and correspondingly matched with four guide rods 13 on the frame 1, so that the left baffle 3 is arranged on the frame 1, the left baffle 3 can slide left and right on the frame 1, a first pneumatic rod 7 is arranged in the middle of the left end of the left baffle 3, a cylinder of the first pneumatic rod 7 is fixedly arranged on the left side frame 11, the right end of a telescopic rod of the first pneumatic rod 7 is connected with the left baffle 3, the left baffle 3 can be pushed to slide left and right on the guide rod 13 of the frame 1 through the first pneumatic rod 7, when the left end of the shell 2 needs to be closed, the first pneumatic rod 7 is controlled to push the left baffle 3 to the right, so that the left baffle 3 is tightly pressed at the left end of the shell 2 to close the left end of the shell 2, when the left end of the shell 2 needs to be opened, the first air moving rod 7 is controlled to pull the left baffle 3 back to the left, so that the left end of the shell 2 is opened.
The right side of left baffle 3 is provided with boss 31, and the appearance of boss 31 is the same with the inside cross-section of casing 2, the inside of left baffle 3 is provided with air chamber 33, a plurality of ventholes 32 have been seted up on boss 31, venthole 32 is connected with the inside air chamber 33 of left baffle 3, the upper end of left baffle 3 is provided with inlet port 34, and inlet port 34 is connected with high-pressurepipe, and high-pressurepipe gets into air chamber 33 through inlet port 34 in, and rethread venthole 32 blows off, can weather the catalyst 6 after the shaping fast.
Guide holes are formed at four corners of the right baffle 4 and are correspondingly matched with four guide rods 13 on the rack 1, so that the right baffle 4 is installed on the rack 1, the right baffle 4 can slide left and right on the rack 1, the right end of the right baffle 4 is provided with a second pneumatic rod 8, a cylinder of the second pneumatic rod 8 is fixedly installed on a right side frame 12, the left end of a telescopic rod of the second pneumatic rod 8 is connected with the right baffle 4, the right baffle 4 can be pushed to slide left and right on the guide rods 13 of the rack 1 through the second pneumatic rod 8, when the right end of the shell 2 needs to be closed, the second pneumatic rod 8 is controlled to push the right baffle 4 leftwards, the right baffle 4 is tightly pressed at the right end of the shell 2, the right end of the shell 2 is closed, when the right end of the shell 2 needs to be opened, the second pneumatic rod 8 is controlled to pull the right baffle 4 backwards, and the right end of the shell 2 is opened, a plurality of through holes 41 are formed in the right baffle 4, the through holes 41 in the right baffle 4 correspond to the air outlet holes 32 in the left baffle 3 one by one, and the through holes 41 and the air outlet holes 32 are identical in shape and size.
The right baffle 4 is provided with an injection module 5, the front end and the rear end of the injection module 5 are provided with support plates 52, the left end of the injection module 5 is provided with a plurality of injection pipes 51, the injection pipes 51 are in one-to-one correspondence with the through holes 41 on the right baffle 4, the cross section of the injection pipes 51 is the same as the inner section of the through holes 41, the injection pipes 51 on the injection module 5 are inserted into the through holes 41 on the right baffle 4 in one-to-one correspondence, the injection pipes 51 penetrate through the through holes 41 and are inserted into the shell 2, after the injection pipes 51 are completely inserted, the left end of the injection pipe 51 is inserted into the air outlet 32 on the left baffle 3, the middle part of the right end of the injection module 5 is provided with a feed port 53, the right end of the feed port 53 is connected with a feed pipe, the feed port 53 is communicated with the inside of the injection pipes 51, the injection pipes 51 are provided with a plurality of discharge ports 54, and the molding raw material of the catalyst 6 enters the inside of the injection pipes 51 through the feed port 53, then is injected into the shell 2 through the discharge port 54 for molding.
The injection molding module 5 is installed on the right baffle 4 through the matching of the material injection pipe 51 and the through hole 41, a third pneumatic rod 9 is installed between the injection molding module 5 and the right baffle 4, a cylinder of the third pneumatic rod 9 is fixedly installed on the right baffle 4, a telescopic rod of the third pneumatic rod 9 is connected with a support plate 52 on the injection molding module 5, the injection molding module 5 is controlled to slide left and right in the right baffle 4 through the third pneumatic rod 9, when material injection is needed, the third pneumatic rod 9 is controlled to pull the injection molding module 5 to move left relative to the right baffle 4, the material injection pipe 51 is inserted into the shell 2 through the through hole 41 to inject the material, after the material injection is completed, the third pneumatic rod 9 is controlled to push the injection molding module 5 to move right relative to the right baffle 4, the material injection pipe 51 is extracted from the through hole 41, the material injection is completed, a wind channel 61 is formed in the catalyst 6 after the wind channel 51 is extracted, high-pressure gas in the gas chamber 33 of the left baffle 3 is blown out through the gas outlet hole 32 and enters the wind channel 61 of the catalyst 6, and (3) quickly drying and molding the catalyst 6.
A use method of an SCR denitration catalyst production mold comprises the following steps:
when in production, the motor 15 is firstly controlled to drive the shell 2 to rotate to a horizontal state, so that the openings at the two ends of the shell 2 horizontally face the left end and the right end, then the first pneumatic rod 7 and the second pneumatic rod 8 are simultaneously started to respectively push the left baffle 3 and the right baffle 4 to the shell 2, so that the left baffle 3 and the right baffle 4 close the openings at the two ends of the shell 2, then the third pneumatic rod 9 is controlled to drive the injection module 5 to move leftwards, so that the material injection pipe 51 is inserted into the shell 2 through the through hole 41 on the right baffle 4, the left end of the material injection pipe 51 is inserted into the air outlet 32 on the left baffle 3, the air outlet 32 on the left baffle 3 and the through hole 41 on the right baffle 4 are blocked by the material injection pipe 51, and finally material injection is carried out, wherein raw materials enter the material injection pipe 51 through the feeding hole 53 and are injected into the shell 2 through the discharging hole 54, so that the catalyst 6 is cured and molded in the shell 2.
After the material injection is completed, the third pneumatic rod 9 is controlled to push the injection molding module 5 to move rightwards, the injection pipe 51 is driven to be drawn out from the shell 2, an air channel 61 is formed in the catalyst 6, meanwhile, high-pressure gas enters the air chamber 33 through the air inlet 34, after the injection pipe 51 is drawn out from the air outlet 32, the high-pressure gas enters the air channel 61, air pressure is applied to the inner wall of the air channel 61, the phenomenon that the air channel 61 shrinks inwards and deforms due to negative pressure formed in the air channel 61 after the injection pipe 51 is drawn out is avoided, after the injection pipe 51 is completely drawn out from the shell 2, the high-pressure gas flows from the left end to the right end of the air channel 61 and flows out from the through hole 41 in the right baffle 4, so that the catalyst 6 is rapidly dried and formed, then the first pneumatic rod 7 and the second pneumatic rod 8 are controlled, the left baffle 3 and the right baffle 4 are pulled back from the two ends of the shell 2 to be reset, and after the left baffle 3 and the right baffle 4 are reset, the motor 15 is controlled to drive the shell 2 to rotate, and (3) enabling the openings at the two ends of the shell 2 to be positioned at the upper end and the lower end, finally starting the fourth pneumatic rod 17, pushing the pressing plate 18 to move downwards through the fourth pneumatic rod 17, pushing the catalyst 6 out of the shell 2, then controlling the fourth pneumatic rod 17 to pull the pressing plate 18 to move upwards for resetting, controlling the motor 15 to drive the shell 2 to rotate, enabling the openings at the two ends of the shell 2 to be positioned at the horizontal positions of the left end and the right end, and repeating the steps to continuously produce the catalyst 6.
In the description of the present invention, it should be noted that the terms "upper", "lower", "front", "rear", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.
Although the preferred embodiments of the present patent have been described in detail, the present patent is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present patent within the knowledge of those skilled in the art.
Claims (8)
1. The SCR denitration catalyst production mold comprises a frame (1), a shell (2), a left baffle (3), a right baffle (4) and an injection molding module (5), and is characterized in that the frame (1) comprises a left side frame (11) and a right side frame (12), the left side frame (11) and the right side frame (12) are arranged in a bilateral symmetry manner, guide rods (13) are arranged between the left side frame (11) and the right side frame (12), the four guide rods (13) are respectively arranged at four corners of the left side frame (11) and the right side frame (12), portal frames (16) are arranged at the upper ends of the left side frame (11) and the right side frame (12), the shell (2) is installed in the frame (1), the left end and the right end of the shell (2) are respectively provided with the left baffle (3) and the right baffle (4), the left baffle (3) and the right baffle (4) respectively plug openings at the left end and the right end of the shell (2), the injection molding device is characterized in that a casting containing cavity is formed inside the shell (2), an injection molding module (5) is installed on the right baffle (4), support plates (52) are arranged at the front end and the rear end of the injection molding module (5), a plurality of injection pipes (51) are installed at the left end of the injection molding module (5), the injection pipes (51) are in one-to-one correspondence with through holes (41) in the right baffle (4), the cross section of each injection pipe (51) is identical to the inner section of each through hole (41), the injection pipes (51) in the injection molding module (5) are inserted into the through holes (41) in the right baffle (4) in one-to-one correspondence, the injection pipes (51) penetrate through the through holes (41) and are inserted into the shell (2), and after the injection pipes (51) are completely inserted, the left ends of the injection pipes (51) are inserted into air outlet.
2. The die for producing the SCR denitration catalyst according to claim 1, wherein connecting plates (14) are further arranged in the middle of the front end and the rear end of the left side frame (11) and the right side frame (12), the left end and the right end of each connecting plate (14) are fixedly connected with the left side frame (11) and the right side frame (12) respectively, the left side frame (11) and the right side frame (12) are connected together through the connecting plates (14), a mounting hole is formed in the middle of each connecting plate (14), and a motor (15) is mounted on each connecting plate (14) at the front end.
3. The SCR denitration catalyst production mould of claim 1, wherein the lower portions of the left and right ends of the portal frame (16) are fixedly connected with the left side frame (11) and the right side frame (12) respectively, a fourth pneumatic rod (17) is installed in the middle of the portal frame (16), a pressing plate (18) is installed at the lower end of the fourth pneumatic rod (17), and the pressing plate (18) is connected with a telescopic rod in the fourth pneumatic rod (17).
4. The die for producing the SCR denitration catalyst according to claim 1, wherein the housing (2) has a square hollow structure with left and right ends penetrating through, mounting shafts (21) are arranged on the front and rear end surfaces of the housing (2), the mounting shafts (21) on the front and rear ends of the housing (2) are rotatably mounted in mounting holes in the connecting plate (14) through bearings, the mounting shaft (21) on the front end of the housing (2) passes through the mounting holes to be connected with a rotating shaft of the motor (15), and chamfers are arranged on the inner sides of openings at the two ends of the housing (2).
5. The SCR denitration catalyst production mold of claim 1, wherein guide holes are formed at four corners of the left baffle plate (3), the guide holes are correspondingly matched with four guide rods (13) on the frame (1), a first air moving rod (7) is installed in the middle of the left end of the left baffle plate (3), an air cylinder of the first air moving rod (7) is fixedly installed on the left side frame (11), the right end of a telescopic rod of the first air moving rod (7) is connected with the left baffle plate (3), a boss (31) is arranged on the right side of the left baffle plate (3), the appearance of the boss (31) is the same as the inner cross section of the shell (2), an air chamber (33) is arranged inside the left baffle plate (3), a plurality of air outlet holes (32) are formed in the boss (31), and the air outlet holes (32) are connected with the air chamber (33) inside the left baffle plate (3), an air inlet hole (34) is formed in the upper end of the left baffle (3), and the air inlet hole (34) is connected with a high-pressure air pipe.
6. The SCR denitration catalyst production mold as recited in claim 1, wherein guide holes are formed at four corners of the right baffle (4), the guide holes are correspondingly matched with four guide rods (13) on the frame (1), a second pneumatic rod (8) is installed at the right end of the right baffle (4), a cylinder of the second pneumatic rod (8) is fixedly installed on the right side frame (12), the left end of a telescopic rod of the second pneumatic rod (8) is connected with the right baffle (4), a plurality of through holes (41) are formed in the right baffle (4), the through holes (41) in the right baffle (4) are in one-to-one correspondence with the air outlet holes (32) in the left baffle (3), and the through holes (41) and the air outlet holes (32) have the same shape and size.
7. The SCR denitration catalyst production mold as recited in claim 1, wherein a feed inlet (53) is arranged in the middle of the right end of the injection molding module (5), the right end of the feed inlet (53) is connected with a feed pipe, the feed inlet (53) is communicated with the interior of a material injection pipe (51), a plurality of discharge ports (54) are formed in the material injection pipe (51), the injection molding module (5) is installed on the right baffle (4) through the cooperation of the material injection pipe (51) and the through hole (41), a third pneumatic rod (9) is installed between the injection molding module (5) and the right baffle (4), a cylinder of the third pneumatic rod (9) is fixedly installed on the right baffle (4), and a telescopic rod of the third pneumatic rod (9) is connected with a support plate (52) on the injection molding module (5).
8. A production method of the SCR denitration catalyst production mold according to any one of claims 1 to 7, characterized by comprising the steps of:
s1, controlling the motor (15) to drive the shell (2) to rotate to a horizontal state, so that the openings at the two ends of the shell (2) face the left end and the right end horizontally;
s2, simultaneously starting the first pneumatic rod (7) and the second pneumatic rod (8) to respectively push the left baffle (3) and the right baffle (4) to the shell (2), so that the left baffle (3) and the right baffle (4) close the openings at the two ends of the shell (2);
s3, controlling a third pneumatic rod (9) to drive an injection molding module (5) to move leftwards, enabling a material injection pipe (51) to be inserted into the shell (2) through a through hole (41) in the right baffle (4), enabling the left end of the material injection pipe (51) to be inserted into an air outlet hole (32) in the left baffle (3), and blocking the air outlet hole (32) in the left baffle (3) and the through hole (41) in the right baffle (4) through the material injection pipe (51);
s4, injecting materials;
s5, controlling a third pneumatic rod (9) to push an injection molding module (5) to move rightwards, driving a material injection pipe (51) to be extracted from a shell (2), forming an air channel (61) in a catalyst (6), controlling high-pressure gas to enter an air chamber (33) through an air inlet (34), and applying air pressure to the inner wall of the air channel (61) when the material injection pipe (51) is extracted from an air outlet (32) and the high-pressure gas enters the air channel (61);
s6, after the material injection pipe (51) is completely drawn out (2) from the shell (2), controlling a first pneumatic rod (7) and a second pneumatic rod (8) to pull back the left baffle (3) and the right baffle (4) from the two ends of the shell (2) for resetting;
s7, controlling a motor (15) to drive the shell (2) to rotate, enabling openings at two ends of the shell (2) to be located at the upper end and the lower end, starting a fourth pneumatic rod (17), pushing a pressure plate (18) to move downwards through the fourth pneumatic rod (17), and pushing the catalyst (6) out of the shell (2);
s8, the fourth pneumatic rod (17) is controlled to pull the pressing plate (18) to move upwards for resetting, and the motor (15) is controlled to drive the shell (2) to rotate, so that the openings at the two ends of the shell (2) are positioned at the horizontal positions of the left end and the right end.
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| CN114872288B (en) * | 2022-04-25 | 2024-07-30 | 倪华华 | SCR denitration catalyst production die and production method thereof |
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| CN113232243B (en) | 2022-12-06 |
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