CN114559596A - Equipment and process for producing polyurethane intermittent type cold storage plate and refrigerator car heat insulation plate - Google Patents
Equipment and process for producing polyurethane intermittent type cold storage plate and refrigerator car heat insulation plate Download PDFInfo
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- CN114559596A CN114559596A CN202210210463.5A CN202210210463A CN114559596A CN 114559596 A CN114559596 A CN 114559596A CN 202210210463 A CN202210210463 A CN 202210210463A CN 114559596 A CN114559596 A CN 114559596A
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- pouring
- tank
- gun head
- base
- cold storage
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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
- B29C44/00—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles
- B29C44/02—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles for articles of definite length, i.e. discrete articles
- B29C44/04—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles for articles of definite length, i.e. discrete articles consisting of at least two parts of chemically or physically different materials, e.g. having different densities
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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
- B29C44/00—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles
- B29C44/34—Auxiliary operations
- B29C44/36—Feeding the material to be shaped
- B29C44/38—Feeding the material to be shaped into a closed space, i.e. to make articles of definite length
- B29C44/40—Feeding the material to be shaped into a closed space, i.e. to make articles of definite length by gravity, e.g. by casting
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2075/00—Use of PU, i.e. polyureas or polyurethanes or derivatives thereof, as moulding material
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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
- B29L2007/00—Flat articles, e.g. films or sheets
- B29L2007/002—Panels; Plates; Sheets
Landscapes
- Casting Or Compression Moulding Of Plastics Or The Like (AREA)
Abstract
The invention relates to the technical field of production of polyurethane insulation boards, and discloses equipment and a process for producing polyurethane intermittent type cold storage boards and insulation boards of a refrigerator car, which comprise a base, wherein one side of the top end of the base is fixedly connected with a material B tank, one side of the material B tank is fixedly connected with a material A tank, the bottom ends of the material B tank and the material A tank are respectively provided with a material discharging pipe, the material B tank and the material A tank are connected with an AB material metering pump through the material discharging pipes, the top end of the base is also provided with a mixing motor, an output shaft of the mixing motor is rotatably connected in the AB material metering pump, the middle part of the top end of the base is also fixedly connected with a conveying rod, the invention pre-mixes combined polyether and foaming agent and controls the temperature of the material B to be between DEG C and DEG C, and then respectively conveying the materials into an AB material tank of a foaming machine according to a set proportion and a set flow rate, automatically circularly controlling the temperature of the foaming machine, and adjusting the pouring pressure of a gun head so as to uniformly pour the raw materials into a mold after all obtained data meet requirements.
Description
Technical Field
The invention relates to the technical field of production of polyurethane insulation boards, in particular to equipment and a process for producing polyurethane intermittent type refrigerator boards and refrigerator car insulation boards.
Background
The polyurethane insulation board is rigid foam plastic which is formed by mixing and reacting the component A and the component B and has the functions of water resistance, heat insulation and the like, and is called polyurethane rigid foam, namely polyurethane rigid foam for short.
A component material: the component A is a composite material composed of composite polyol (composite polyether or polyester) and additives such as foaming agent, and is commonly called white material. The component A is one of the necessary raw materials for forming the polyurethane rigid foam.
B, component material: the B component material is a raw material with isocyanate as a main component, commonly called as black material, and is also one of necessary raw materials for forming rigid polyurethane foam.
Polyurethane rigid foam insulation board: the non-bearing heat-insulating structure formed on the outer surface of the outer wall is generally called as a cold storage plate and a refrigerated truck carriage body.
At present, polyurethane intermittent type cold storage plates and refrigerated truck carriage bodies are produced at home, polyurethane raw materials are poured into a closed mold by a two-component high-pressure foaming machine for foaming and molding.
The technical defects are as follows:
1. the foaming forming time is long, the curing is slow, a product can be produced within 30-40 minutes, the flatness of the plate surface is poor, and the appearance quality is poor;
2. the surface of the product has more bubbles;
3. can only be used as a common flame-retardant product, and can not be used for producing national standard B1-grade fireproof products;
4. poor heat insulation performance, rough foam holes and products which can not reach the national standard heat conductivity coefficient.
Disclosure of Invention
In order to overcome the defects in the prior art, the invention provides equipment and a process for producing a polyurethane intermittent type cold storage plate and a heat insulation plate of a refrigerator car, which aim to solve the problems in the background art.
The invention provides the following technical scheme: the utility model provides an equipment and technology of production polyurethane intermittent type formula cold-storage plate, refrigerator car heated board, includes the base, top one side fixedly connected with B material jar of base, one side fixedly connected with A material jar of B material jar, the bottom that B material jar and A material jar all is equipped with the discharging pipe, B material jar is connected with AB material measuring pump through the discharging pipe with A material jar, the top of base still is equipped with hybrid motor, hybrid motor's output shaft rotates and connects in AB material measuring pump, still fixedly connected with conveying rod in the middle part of the top of base, the one end bottom swing joint that A material jar was kept away from to the conveying rod has the pouring rifle head, the end of pouring rifle head is equipped with casting mold.
Further, the conveying rod comprises a main supporting rod, the top end of the main supporting rod is provided with a main supporting rod, one side of the main supporting rod, which is far away from the A material tank, is fixedly connected with the main supporting rod, so that the main supporting rod can turn to the A material tank when pouring is carried out in the later period, and the direction of the non-traditional equipment needs to be adjusted by moving the whole foaming machine.
Furthermore, a steering gear is arranged at the top end of the main support rod, a steering control block is fixedly connected to the bottom end of the steering gear, the bottom end of the steering control block is movably clamped with the bottom end of the main support rod, and a steering bearing is fixedly sleeved on the outer wall of the bottom end of the steering control block, so that the steering control block can rotate conveniently to move in multiple directions.
Furthermore, the A material tank and the B material tank are both provided with temperature control systems, so that the temperature of the raw materials in the B material tank and the A material tank can be kept between the temperature of DEG C and the temperature of DEG C.
Further, a gun head retraction and extension control system is arranged in the pouring gun head to move the gun head at a constant speed, so that the gun head is ensured to extend to a designated position in a pouring mold, then pouring is started, the gun head retreats at a constant speed, the raw materials are uniformly distributed in the pouring mold, and the density distribution of the products obtained at a later stage is uniform.
Furthermore, an electric control system is arranged on one side of the base, which is close to the casting mold, for adjusting electric devices, and the temperature control system, the hydraulic system and the gun head retraction control system of the B material tank and the A material tank are changed by adjusting the electric control system of the base, so that an expected ideal value is achieved.
A production process for producing polyurethane intermittent type cold storage plates and insulation plates of refrigerated trucks comprises the following operations;
s, firstly, premixing the composite polyether and a foaming agent, pouring the premixed composite polyether into a material tank A after mixing is finished, so as to finish pouring of a mixture in the material tank A, pouring a material B into a material tank B after the mixture in the material tank A is poured, and opening a temperature control system of the material tank B and the material tank A to control the temperature of the material tank B to be between the temperature of DEG C and the temperature of DEG C;
s, respectively injecting the materials in the material tank B and the material tank A into the material A and the material B of the material AB metering pump in the foaming machine, and pouring through a gun head of a pouring gun head;
s, when the gun head of the pouring gun head is poured, a hydraulic system and a gun head retraction control system are used for controlling the gun head of the pouring gun head, the gun head is enabled to extend to a designated position in a pouring mold, then pouring is started, the gun head retreats at a constant speed, raw materials are uniformly distributed in the pouring mold, and the density distribution of products obtained in the later stage is uniform.
The invention has the technical effects and advantages that:
1. the composite polyether and the foaming agent are premixed, the temperature of the material B is controlled to be between the temperature of DEG C and the temperature of DEG C, then the premixed material B is respectively conveyed into an AB material tank of a foaming machine according to a set proportion and a set flow rate, the foaming machine automatically controls the temperature in a circulating way, and the pouring pressure of a gun head is adjusted, so that the raw materials are uniformly poured into a mold after all obtained data meet requirements.
2. The pouring process of the invention is that the gun head is extended to a specified position in the mould, then pouring is started, and the gun head is retreated at a constant speed, raw materials are uniformly distributed in the mould, so that the density distribution of the product is uniform, thereby achieving better quality requirements, the surface of the product has no bubbles, the flatness of the plate surface is good, the foaming forming time is short, the curing is fast, only one product is produced within minutes, a B-grade fireproof flame-retardant product can be produced, the heat preservation performance is good, the bubbles are fine and smooth, and the product with higher heat conductivity coefficient can be obtained.
3. The conveying rod is arranged, so that the device is convenient to turn when pouring is carried out at the later stage, and the direction of the device is adjusted by moving the whole foaming machine instead of the traditional device, so that the device is convenient to rotate, and the multidirectional movement is realized.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
FIG. 2 is a schematic view of the structure at position A of the present invention.
Fig. 3 is an exploded view of the structure at position a of the present invention.
FIG. 4 is a schematic cross-sectional view of the structure at point A of the present invention.
Fig. 5 is a schematic diagram of the structure of the steering control block according to the present invention.
FIG. 6 is a flow chart of the production process of the present invention.
FIG. 7 is a detailed view of the production process flow of the present invention.
The reference signs are: 1. a base; 2. b, a charging bucket; 3. a, a charging bucket; 4. an AB material metering pump; 5. a hybrid motor; 6. a conveying rod; 601. a main support bar; 6011. a steering gear; 6012. a steering control block; 6013. a steering bearing; 602. rotating the support rod; 603. rotating the base; 604. rotating the rod; 7. pouring a gun head; 8. and (5) casting the mold.
Detailed Description
The technical solution of the present invention will be clearly and completely described below with reference to the accompanying drawings of the present invention, and the forms of the respective structures described in the following embodiments are merely examples, and the apparatus and process for producing a polyurethane batch-type refrigerator board and a refrigerator car insulation board according to the present invention are not limited to the respective structures described in the following embodiments, and all other embodiments obtained by those skilled in the art without creative efforts fall within the scope of the present invention.
Referring to fig. 1-7, the invention provides equipment and a process for producing polyurethane intermittent type cold storage plates and insulation plates of refrigerated trucks, and the equipment comprises a base 1, wherein a B material tank 2 is fixedly connected to one side of the top end of the base 1, an A material tank 3 is fixedly connected to one side of the B material tank 2, discharge pipes are respectively arranged at the bottom ends of the B material tank 2 and the A material tank 3, the B material tank 2 and the A material tank 3 are connected with an AB material metering pump 4 through the discharge pipes, a hybrid motor 5 is further arranged at the top end of the base 1, an output shaft of the hybrid motor 5 is rotatably connected in the AB material metering pump 4, a conveying rod 6 is further fixedly connected in the middle of the top end of the base 1, the bottom of one end, far away from the A material tank 3, of the conveying rod 6 is movably connected with a pouring gun head 7, and a pouring mold 8 is arranged at the end of the pouring gun head 7.
Further, the conveying rod 6 comprises a main supporting rod 601, the top end of the main supporting rod 601 is provided with 602, the top end of the 602 is provided with 603, and one side of the 603 away from the a charging bucket 3 is fixedly connected with 604, so that the machine can turn to when pouring is carried out in the later period, and the direction of the machine can be adjusted by moving the whole foaming machine instead of the traditional equipment.
Furthermore, a steering gear 6011 is arranged at the top end of the main support rod 601, a steering control block 6012 is fixedly connected to the bottom end of the steering gear 6011, the bottom end of the steering control block 6012 is movably clamped with the bottom end of the main support rod 601, and a steering bearing 6013 is fixedly sleeved on the outer wall of the bottom end of the steering control block 6012, so that rotation 604 is facilitated, and multidirectional movement is achieved.
Further, the A material tank 3 and the B material tank 2 are both provided with temperature control systems, so that the raw material temperature in the B material tank 2 and the raw material temperature in the A material tank 3 can be kept between 20 ℃ and 23 ℃, and the raw material temperature can be respectively injected into the material tanks of the AB material metering pump 4 by manually controlling the flow ratio.
Further, a gun head retraction control system is arranged in the pouring gun head 7 to move the gun head at a constant speed, so that the gun head is ensured to extend to a designated position in the pouring mold 8, then pouring is started, the gun head retreats at a constant speed, and raw materials are uniformly distributed in the pouring mold 8, so that the density distribution of products obtained at a later stage is uniform.
Furthermore, an electric appliance control system is arranged on one surface of the base 1 close to the casting mold 8 to adjust electric appliance equipment, and the temperature control systems, the hydraulic systems and the gun head retraction control systems of the B material tank 2 and the A material tank 3 are changed by adjusting the electric appliance control system of the base 1, so that an expected ideal value is achieved.
A production process for producing polyurethane intermittent type cold storage plates and insulation plates of refrigerated trucks comprises the following operations;
s1, firstly, premixing the composite polyether and the foaming agent, and pouring the premixed composite polyether into the A material tank 3 after mixing to finish pouring the mixture in the A material tank 3, wherein when the mixture in the A material tank 3 is poured, the B material is poured into the B material tank 2, and the temperature control systems of the B material tank 2 and the A material tank 3 are opened to control the temperature of the B material tank 2 to 23 ℃;
s2, respectively injecting the materials in the B material tank 2 and the A material tank 3 into the A material and the B material metering pump of the AB material metering pump 4 in the foaming machine, and then pouring through the gun head of the pouring gun head 7;
and S3, when the gun head of the pouring gun head 7 is poured, a hydraulic system and a gun head retraction control system are used for controlling the gun head of the pouring gun head 7, so that the gun head is ensured to extend to a specified position in the pouring mold 8, then pouring is started, the gun head is withdrawn at a constant speed, the raw materials are uniformly distributed in the pouring mold 8, and the density distribution of the products obtained in the later period is uniform.
The points to be finally explained are: first, in the description of the present application, it should be noted that, unless otherwise specified and limited, the terms "mounted," "connected," and "connected" should be understood broadly, and may be a mechanical connection or an electrical connection, or a communication between two elements, and may be a direct connection, and "upper," "lower," "left," and "right" are only used to indicate a relative positional relationship, and when the absolute position of the object to be described is changed, the relative positional relationship may be changed;
secondly, the method comprises the following steps: in the drawings of the disclosed embodiment of the invention, only the structures related to the disclosed embodiment are related, other structures can refer to common design, and the same embodiment and different embodiments of the invention can be combined mutually under the condition of no conflict;
and finally: the above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that are within the spirit and principle of the present invention are intended to be included in the scope of the present invention.
Claims (7)
1. The utility model provides an equipment of production polyurethane intermittent type formula refrigeration house board, refrigerator car heated board, includes base (1), its characterized in that: the utility model discloses a quick-witted base for the casting of metals, including base (1), top one side fixedly connected with B material jar (2) of base (1), one side fixedly connected with A material jar (3) of B material jar (2), the bottom that B material jar (2) and A material jar (3) all is equipped with the discharging pipe, B material jar (2) are connected with AB material measuring pump (4) through the discharging pipe with A material jar (3), the top of base (1) still is equipped with hybrid motor (5), the output shaft of hybrid motor (5) rotates and connects in AB material measuring pump (4), the top middle part of base (1) is fixedly connected with conveying rod (6) still, the one end bottom swing joint that A material jar (3) were kept away from in conveying rod (6) has pouring rifle head (7), the end of pouring rifle head (7) is equipped with casting mold (8).
2. The apparatus for producing polyurethane intermittent cold storage plate and refrigerator car insulation plate according to claim 1, wherein: the conveying rod (6) comprises a main supporting rod (601), the top end of the main supporting rod (601) is provided with a supporting rod (602), the top end of the supporting rod (602) is provided with a supporting rod (603), and one side of the supporting rod (603) far away from the A charging bucket (3) is fixedly connected with a supporting rod (604).
3. The apparatus for producing polyurethane intermittent cold storage plate and refrigerator car insulation plate according to claim 1, wherein: the top of main tributary vaulting pole (601) is equipped with steering gear (6011), the bottom fixedly connected with of steering gear (6011) turns to control block (6012), the bottom that turns to control block (6012) and the bottom of main tributary vaulting pole (601) carry out movable joint, the fixed cover of bottom outer wall that turns to control block (6012) has turned to bearing (6013).
4. The apparatus for producing polyurethane intermittent cold storage plate and refrigerator car insulation plate according to claim 1, wherein: a material jar (3) and B material jar (2) all are equipped with temperature control system.
5. The apparatus for producing polyurethane intermittent cold storage plate and refrigerator car insulation plate according to claim 1, wherein: and a gun head retraction and release control system is arranged in the pouring gun head (7) to move the gun head at a constant speed.
6. The apparatus for producing polyurethane intermittent cold storage plate and refrigerator car insulation plate according to claim 1, wherein: and an electric appliance control system is arranged on one surface of the base (1) close to the casting mold (8) to adjust electric appliances.
7. A production process for producing a polyurethane intermittent type cold storage plate and a refrigerator car heat insulation plate by using the equipment of claim 1 is characterized by comprising the following operations;
s1, firstly, mixing the composite polyether with the foaming agent, pouring the mixture into the A material tank (3) after the mixing is finished, so as to finish the pouring of the mixture in the A material tank (3), pouring the B material into the B material tank (2) after the pouring of the mixture in the A material tank (3) is finished, and opening the temperature control systems of the B material tank (2) and the A material tank (3) to control the temperature of the B material tank (2) and the A material tank (3) to be between 20 and 23 ℃;
s2, respectively injecting the materials in the material B tank (2) and the material A tank (3) into the material A and the material B of the AB material metering pump (4) in the foaming machine, and pouring through a gun head of a pouring gun head (7);
s3, when the gun head of the pouring gun head (7) is poured, a hydraulic system and a gun head retraction control system are used for controlling the gun head of the pouring gun head (7) to ensure that the gun head extends to a specified position in a pouring mold (8), then pouring is started, the gun head retreats at a constant speed, raw materials are uniformly distributed in the pouring mold (8), and the density distribution of products obtained in the later stage is uniform.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210210463.5A CN114559596A (en) | 2022-03-03 | 2022-03-03 | Equipment and process for producing polyurethane intermittent type cold storage plate and refrigerator car heat insulation plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210210463.5A CN114559596A (en) | 2022-03-03 | 2022-03-03 | Equipment and process for producing polyurethane intermittent type cold storage plate and refrigerator car heat insulation plate |
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| Publication Number | Publication Date |
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| CN114559596A true CN114559596A (en) | 2022-05-31 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210210463.5A Pending CN114559596A (en) | 2022-03-03 | 2022-03-03 | Equipment and process for producing polyurethane intermittent type cold storage plate and refrigerator car heat insulation plate |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN211164976U (en) * | 2019-07-24 | 2020-08-04 | 上海大洋新材料科技有限公司 | Low-pressure filling mixing foaming machine |
| CN112011081A (en) * | 2020-09-16 | 2020-12-01 | 天津军星管业集团有限公司 | Method and equipment for pouring low-pressure gaseous carbon dioxide foaming rigid polyurethane foam |
| CN113442364A (en) * | 2021-08-04 | 2021-09-28 | 刘杰 | Polyurethane foaming machine convenient for adjusting pressure |
| CN214687562U (en) * | 2021-03-11 | 2021-11-12 | 吉林省金越交通装备股份有限公司 | Sponge preparation equipment suitable for high viscosity foaming combined material |
| CN113997486A (en) * | 2021-12-03 | 2022-02-01 | 湖南精正设备制造有限公司 | Open pouring device of laminator of many mixing heads |
-
2022
- 2022-03-03 CN CN202210210463.5A patent/CN114559596A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN211164976U (en) * | 2019-07-24 | 2020-08-04 | 上海大洋新材料科技有限公司 | Low-pressure filling mixing foaming machine |
| CN112011081A (en) * | 2020-09-16 | 2020-12-01 | 天津军星管业集团有限公司 | Method and equipment for pouring low-pressure gaseous carbon dioxide foaming rigid polyurethane foam |
| CN214687562U (en) * | 2021-03-11 | 2021-11-12 | 吉林省金越交通装备股份有限公司 | Sponge preparation equipment suitable for high viscosity foaming combined material |
| CN113442364A (en) * | 2021-08-04 | 2021-09-28 | 刘杰 | Polyurethane foaming machine convenient for adjusting pressure |
| CN113997486A (en) * | 2021-12-03 | 2022-02-01 | 湖南精正设备制造有限公司 | Open pouring device of laminator of many mixing heads |
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