CN113021715B - Heat preservation steel pipe polyurethane heat preservation preparation system of processing - Google Patents
Heat preservation steel pipe polyurethane heat preservation preparation system of processing Download PDFInfo
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- CN113021715B CN113021715B CN202110214512.8A CN202110214512A CN113021715B CN 113021715 B CN113021715 B CN 113021715B CN 202110214512 A CN202110214512 A CN 202110214512A CN 113021715 B CN113021715 B CN 113021715B
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- pouring
- rod
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- sliding
- steel pipe
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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
- B29C39/00—Shaping by casting, i.e. introducing the moulding material into a mould or between confining surfaces without significant moulding pressure; Apparatus therefor
- B29C39/02—Shaping by casting, i.e. introducing the moulding material into a mould or between confining surfaces without significant moulding pressure; Apparatus therefor for making articles of definite length, i.e. discrete articles
- B29C39/10—Shaping by casting, i.e. introducing the moulding material into a mould or between confining surfaces without significant moulding pressure; Apparatus therefor for making articles of definite length, i.e. discrete articles incorporating preformed parts or layers, e.g. casting around inserts or for coating articles
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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
- B29C39/00—Shaping by casting, i.e. introducing the moulding material into a mould or between confining surfaces without significant moulding pressure; Apparatus therefor
- B29C39/22—Component parts, details or accessories; Auxiliary operations
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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
- B29C39/00—Shaping by casting, i.e. introducing the moulding material into a mould or between confining surfaces without significant moulding pressure; Apparatus therefor
- B29C39/22—Component parts, details or accessories; Auxiliary operations
- B29C39/24—Feeding the material into the mould
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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
- B29C39/00—Shaping by casting, i.e. introducing the moulding material into a mould or between confining surfaces without significant moulding pressure; Apparatus therefor
- B29C39/22—Component parts, details or accessories; Auxiliary operations
- B29C39/44—Measuring, controlling or regulating
-
- 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
- B29L2023/00—Tubular articles
- B29L2023/22—Tubes or pipes, i.e. rigid
Landscapes
- Thermal Insulation (AREA)
- Casting Or Compression Moulding Of Plastics Or The Like (AREA)
Abstract
The invention relates to a system for manufacturing and processing a polyurethane heat-insulating layer of a heat-insulating steel pipe, which comprises a base, a positioning and clamping mechanism, a driving mechanism, a pouring mechanism and a top plate, wherein the positioning and clamping mechanism is arranged above the base and is uniformly distributed along the circumferential direction of the base, the pouring mechanism is arranged above the positioning and clamping mechanism, the top plate is arranged between the positioning and clamping mechanism and the pouring mechanism, and the driving mechanism is arranged in the middle of the base.
Description
Technical Field
The invention relates to the field of steel pipe processing machinery, in particular to a system for manufacturing and processing a polyurethane heat-insulating layer of a heat-insulating steel pipe.
Background
The polyurethane heat-insulating steel pipe is also called a heat-insulating directly-buried pipe and is formed by sequentially combining a working steel pipe for conveying a medium, a foam heat-insulating layer and a polyethylene plastic outer protective pipe outwards through equipment.
The following problems can appear in the manufacturing and processing process of the polyurethane heat-insulating layer of the existing heat-insulating steel pipe:
the method comprises the following steps that 1, a steel pipe heat-insulating layer and a steel pipe are not concentric, the tightness degree between heat-insulating shells is low, the heat-insulating effect cannot be achieved, and meanwhile, when molten polyurethane is poured, gaps or cavities are easy to appear because the length of the heat-insulating pipe is too long and the polyurethane cannot be poured uniformly;
2, common processing machinery carries out one-time pipe processing to the heat preservation steel pipe of a diameter, and the machinery uses and is easily limited by the diameter, and preparation processing machinery machining efficiency is lower simultaneously.
Disclosure of Invention
Technical problem to be solved
The invention can solve the problems that the existing steel pipe heat-insulating layer and the steel pipe are not concentric, the tightness degree between heat-insulating shells is lower, the heat-insulating effect cannot be achieved, and simultaneously, when molten polyurethane is poured and poured, gaps or cavities are easy to appear because the length of the heat-insulating pipe is too long, common processing machinery is used for processing the heat-insulating steel pipe with one diameter at one time, the mechanical use is easy to be limited by the diameter, the processing efficiency of the manufacturing processing machinery is lower, and the like.
(II) technical scheme
In order to achieve the purpose, the invention adopts the following technical scheme: a heat preservation steel pipe polyurethane heat preservation layer manufacturing and processing system comprises a base, positioning and clamping mechanisms, a driving mechanism, a pouring mechanism and a top plate, wherein the positioning and clamping mechanisms are installed above the base and are evenly distributed along the circumferential direction of the base;
the positioning and clamping mechanism comprises a supporting rod, a sliding plate, a spring, a sealing ring and a positioning rod, wherein the supporting rod is fixedly arranged on the upper end face of the base, a sliding groove is formed in the circumferential surface of the supporting rod, the sliding groove is uniformly distributed along the circumferential direction of the supporting rod, the sliding plate is arranged at the upper end of the supporting rod in a sliding mode, the spring is sleeved on the supporting rod, two ends of the spring are respectively and fixedly connected with the base and the sliding plate, the sealing ring is fixedly arranged on the upper end face of the sliding plate, and the positioning rod is fixedly connected to the upper end of the supporting rod;
the driving mechanism comprises an air cylinder, a telescopic rod, a screw rod, a connecting block and a fixing frame, the air cylinder is arranged in the middle of the upper end face of the base, the lower end of the telescopic rod is arranged on the upper end face of the air cylinder, the lower end of the screw rod is arranged on the upper end of the telescopic rod, the connecting block is arranged on the upper end of the screw rod in a thread fit mode, and the fixing frame is fixedly connected with the circumferential face of the connecting block;
pouring mechanism include annular pouring chamber, the sprue gate, the pouring head, slider and slip cap, the outer anchor ring fixed connection of annular pouring intracavity anchor ring and mount, a plurality of sprue gates that are the annular and distribute are seted up to the upper end in annular pouring chamber, the pouring head is installed to the below in annular pouring chamber, the pouring head evenly arranges along annular pouring chamber circumference, communicate each other between pouring head and the annular pouring chamber, and the pouring head is located the locating lever directly over, the upper end fixedly connected with slider of the periphery of pouring head, the slider evenly arranges along pouring head circumference, the slip cap is established overhead at the pouring through sliding fit mode cover, and the up end of slip cap is fixed at the lower terminal surface in annular pouring chamber, set up the slide that corresponds the slider setting on the interior anchor ring of slip cap.
Preferably, the upper end face of the sliding plate is symmetrically provided with a first rod, the upper end face of the sliding plate is connected with the lower end of the first rod through a pin shaft, the lower end of a second rod is connected with the upper end of the first rod through a pin shaft, the side wall of the first rod is fixedly provided with a clamping ring close to the pin shaft connecting end, the clamping ring is positioned between the first rod and the second rod, the clamping ring is semicircular, screw holes are formed in two ends of the clamping ring, the threaded clamping rod is in threaded connection with the two opposite screw holes in the two clamping rings together, the upper end of the second rod is connected with the lower end of the top plate through a pin shaft, the upper end of the top plate is provided with positioning holes penetrating through the top plate, the positioning holes are uniformly distributed along the circumferential direction of the top plate and are positioned right above the positioning rods, and a supporting ring is arranged between the top plate and the base.
Preferably, the up end of roof on install the middle part pole, the middle part pole is evenly arranged along roof circumference, the roof is run through to the upper end of telescopic link, and the telescopic link passes through the sliding fit mode and links to each other with the roof, the middle part pole is located between locating hole and the telescopic link, the supporting rod is installed to the upper end symmetry of middle part pole, no. one logical groove and No. two logical grooves have been seted up to the lateral wall of supporting rod, and No. two logical grooves are located between a logical groove and the middle part pole, it is provided with the slide bar to slide in the logical groove, it is provided with electronic slider to slide in No. two logical grooves, electronic slider keeps away from one end fixedly connected with fixed block each other, and seted up No. three spouts on the fixed block, the slide bar slides and dock No. three logical inslot.
Preferably, the lower end face of the pouring head is provided with pouring pipes which are uniformly distributed along the circumferential direction of the pouring head, the pouring pipes are communicated with the pouring head, and pouring ports are uniformly distributed on the pouring pipes.
Preferably, a telescopic ruler is arranged between the lower end face of the annular pouring cavity and the upper end face of the top plate.
Advantageous effects
1. According to the system for manufacturing and processing the polyurethane heat-insulating layer of the heat-insulating steel pipe, the polyurethane heat-insulating steel pipe is processed by adopting the design concept of a combined preparation structure, the arranged driving structure can realize the detachable separation of the pouring mechanism and the positioning and clamping mechanism, and can be suitable for the processing of heat-insulating steel pipes with different lengths;
2. the first rod is arranged in a bilateral symmetry mode, on the basis of the arrangement, the clamping ring can approach to the middle under the matching of the second rod, the top plate, the clamping ring, the thread clamping rod and the screw hole, the heat-insulation steel pipe is clamped, and then the heat-insulation steel pipes with different outer diameters are clamped through the matching of the thread clamping rod and the screw hole;
3. the clamping rods are arranged in a bilateral symmetry mode, on the basis of the fixing blocks, the sliding blocks and the sliding rods are matched to enable the sliding rods on two sides to approach towards the middle, the middle of the heat-insulation steel pipe is clamped, uneven pouring of a long steel pipe due to the fact that the middle of the long steel pipe cannot be fixed can be greatly reduced, and the pouring effect is further improved;
4. pouring openings are uniformly distributed on the pouring pipe, molten polyurethane forms a jet-shaped liquid through the pouring openings to pour the bottom of the heat-insulation steel pipe, and then the pouring effect is improved;
5. the telescopic ruler can accurately measure the position of the heat-preservation steel pipe to be poured, so that the position of a pouring cavity is accurately judged, and the pouring efficiency is improved.
Drawings
The invention is further illustrated with reference to the following figures and examples.
FIG. 1 is a perspective view of the present invention;
FIG. 2 is a perspective view of the present invention with the support ring removed;
FIG. 3 is a cross-sectional view of the present invention;
FIG. 4 is a top view of the positioning and clamping mechanism of the present invention relative to the drive mechanism;
FIG. 5 is an enlarged view of the invention taken from the line A of FIG. 1;
fig. 6 is a partially enlarged view of the invention in the direction B of fig. 3.
Detailed Description
Embodiments of the present invention will be described below with reference to the drawings. In this process, the width of the lines or the size of the components in the drawings may be exaggerated for clarity and convenience of description.
In addition, the following terms are defined based on the functions of the present invention, and may be different depending on the intention of a user or an operator or a common practice. Therefore, these terms are defined based on the entire contents of the present specification.
As shown in fig. 1 to 6, a system for manufacturing and processing a polyurethane heat-insulating layer of a heat-insulating steel pipe comprises a base 1, a positioning and clamping mechanism 2, a driving mechanism 3, a pouring mechanism 4 and a top plate 5, wherein the positioning and clamping mechanism 2 is installed above the base 1, the positioning and clamping mechanism 2 is uniformly distributed along the circumferential direction of the base 1, the pouring mechanism 4 is arranged above the positioning and clamping mechanism 2, the top plate 5 is installed between the positioning and clamping mechanism 2 and the pouring mechanism 4, and the driving mechanism 3 is installed in the middle of the base 1;
the positioning and clamping mechanism 2 comprises a supporting rod 21, a sliding plate 22, a spring 23, a sealing ring 24 and a positioning rod 25, wherein the supporting rod 21 is fixedly arranged on the upper end face of the base 1, a sliding groove is formed in the circumferential face of the supporting rod 21 and is uniformly distributed along the circumferential direction of the supporting rod 21, the sliding plate 22 is arranged on the upper end of the supporting rod 21 in a sliding mode, the spring 23 is sleeved on the supporting rod 21, two ends of the spring 23 are fixedly connected with the base 1 and the sliding plate 22 respectively, the sealing ring 24 is fixedly arranged on the upper end face of the sliding plate 22, and the positioning rod 25 is fixedly connected to the upper end of the supporting rod 21.
During specific work, the heat preservation steel pipes to be poured are inserted into the positioning holes in a one-to-one correspondence mode in a manual mode until the lower ends of the heat preservation steel pipes are tightly attached to the sealing rings 24, and then the heat preservation steel pipes are positioned through the positioning rods 25.
During operation, the cylinder 31 drives the telescopic rod 32 to move up and down, the telescopic rod 32 drives the screw rod 33 to move synchronously, the connecting block 34 drives the fixing frame 35 to move synchronously along with the screw rod 33, the fixing frame 35 drives the pouring mechanism 4 to move synchronously so as to adjust the position of the pouring mechanism 4, and then the distance between the positioning and clamping mechanism 2 and the pouring mechanism 4 is fixed through the matching between the screw rod 33 and the connecting block 34.
Pouring mechanism 4 include annular pouring chamber 40, sprue gate 41, pouring head 42, slider 43 and sliding sleeve 44, annular pouring chamber 40 internal ring surface and the outer anchor ring fixed connection of mount 35, a plurality of sprue gates 41 that are the annular distribution are seted up to the upper end in annular pouring chamber 40, pouring head 42 is installed to the below in annular pouring chamber 40, pouring head 42 evenly arranges along annular pouring chamber 40 circumference, communicate each other between pouring head 42 and the annular pouring chamber 40, and pouring head 42 is located the locating lever 25 directly over, the upper end fixedly connected with slider 43 of the periphery of pouring head 42, slider 43 evenly arranges along pouring head 42 circumference, sliding sleeve 44 establishes on pouring head 42 through sliding fit mode cover, and the up end of sliding sleeve 44 is fixed at the lower terminal surface in annular pouring chamber 40, set up the slide that corresponds slider 43 and set up on sliding sleeve 44's the internal ring surface.
During specific work, molten polyurethane is poured into the annular pouring cavity 40 from the pouring port 41 manually, and then the pouring head 42 is driven by the gravity of the molten polyurethane to move downwards along a slide rail arranged on the sliding sleeve 44 so as to adjust the position of the pouring head 42.
The pouring head 42 is provided with pouring pipes 421 on the lower end surface, the pouring pipes 421 are uniformly arranged along the circumferential direction of the pouring head 42, the pouring pipes 421 are communicated with the pouring head 42, and the pouring ports 422 are uniformly distributed on the pouring pipes 421.
The upper end face of the sliding plate 22 is symmetrically provided with a first rod 221, the upper end face of the sliding plate 22 is connected with the lower end of the first rod 221 through a pin shaft, the lower end of a second rod 222 is connected with the upper end of the first rod 221 through a pin shaft, the side wall of the first rod 221 is fixedly provided with a clamping ring 223 close to the pin shaft connecting end, the clamping ring 223 is positioned between the first rod 221 and the second rod 222, the clamping ring 223 is semicircular, screw holes are formed in two ends of the clamping ring 223, the threaded clamping rod 224 is screwed with the two opposite screw holes in the clamping ring 223 together, the upper end of the second rod 222 is connected with the lower end of the top plate 5 through a pin shaft, the upper end of the top plate 5 is provided with positioning holes penetrating through the top plate 5, the positioning holes are uniformly distributed along the circumferential direction of the top plate 5, the positioning holes are positioned over the positioning rods 25, and a supporting ring 225 is arranged between the top plate 5 and the base 1.
During specific work, the sliding plate 22 is driven to slide downwards by the descending gravity of the heat preservation steel pipe, the sliding plate 22 drives the lower ends of the first rods 221 on the left side and the right side to move synchronously, the upper ends of the first rods 221 drive the clamping rings 223 on the left side and the right side to approach towards the middle, the heat preservation steel pipe is clamped, and then the heat preservation steel pipes with different outer diameters are clamped through the matching of the threaded clamping rods 224 and the screw holes.
The up end of roof 5 on install middle part pole 51, middle part pole 51 evenly arranges along 5 circumference of roof, roof 5 has been run through to the upper end of telescopic link 32, and telescopic link 32 links to each other with roof 5 through sliding fit, middle part pole 51 is located between locating hole and the telescopic link 32, supporting rod 52 has been installed to middle part pole 51's upper end symmetry, no. one logical groove and No. two logical grooves have been seted up to supporting rod 52's lateral wall, and No. two logical grooves are located between a logical groove and the middle part pole 51, it is provided with slide bar 53 to slide in the logical groove, it is provided with electric slider 54 to slide in the logical groove No. two, electric slider 54 keeps away from each other's one end fixedly connected with fixed block 55, and seted up No. three spouts on the fixed block 55, slide bar 53 slides and dock No. three logical inslot.
During specific work, the sliding rods 53 at the two ends are manually close to the middle until the sliding rods 53 are attached to the heat preservation steel pipe, then the electric sliding block 54 drives the fixing block 55 to slide towards one end close to the middle rod 51, and further the sliding rods 53 at the two sides are driven to push towards one end close to the middle rod 51 so as to clamp the middle of the heat preservation steel pipe.
A telescopic ruler 61 is arranged between the lower end face of the annular pouring cavity 40 and the upper end face of the top plate 5, the distance between the lower end face of the pouring cavity and the upper end face of the top plate 5 is measured through the telescopic ruler 61, so that the position of the heat-preservation steel pipe to be poured is accurately measured, the position of the pouring cavity is accurately judged, and the pouring efficiency is improved.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (5)
1. The utility model provides a heat preservation steel pipe polyurethane heat preservation preparation system of processing, includes base (1), location clamping mechanism (2), actuating mechanism (3), pouring mechanism (4) and roof (5), its characterized in that: the positioning and clamping mechanism (2) is arranged above the base (1), the positioning and clamping mechanism (2) is uniformly distributed along the circumferential direction of the base (1), the pouring mechanism (4) is arranged above the positioning and clamping mechanism (2), a top plate (5) is arranged between the positioning and clamping mechanism (2) and the pouring mechanism (4), and the driving mechanism (3) is arranged in the middle of the base (1);
the positioning and clamping mechanism (2) comprises a supporting rod (21), a sliding plate (22), a spring (23), a sealing ring (24) and a positioning rod (25), the supporting rod (21) is fixedly arranged on the upper end face of the base (1), a sliding groove is formed in the circumferential face of the supporting rod (21), the sliding groove is uniformly distributed along the circumferential direction of the supporting rod (21), the sliding plate (22) is arranged at the upper end of the supporting rod (21) in a sliding mode, the spring (23) is sleeved on the supporting rod (21), two ends of the spring (23) are respectively fixedly connected with the base (1) and the sliding plate (22), the sealing ring (24) is fixedly arranged on the upper end face of the sliding plate (22), and the positioning rod (25) is fixedly connected to the upper end of the supporting rod (21);
the driving mechanism (3) comprises a cylinder (31), an expansion link (32), a screw rod (33), a connecting block (34) and a fixing frame (35), the cylinder (31) is installed in the middle of the upper end face of the base (1), the lower end of the expansion link (32) is installed on the upper end face of the cylinder (31), the lower end of the screw rod (33) is installed at the upper end of the expansion link (32), the connecting block (34) is installed at the upper end of the screw rod (33) in a threaded fit mode, and the fixing frame (35) is fixedly connected with the circumferential face of the connecting block (34);
pouring mechanism (4) including annular pouring chamber (40), sprue gate (41), pouring head (42), slider (43) and sliding sleeve (44), annular pouring chamber (40) inner ring surface and the outer anchor ring fixed connection of mount (35), a plurality of sprue gates (41) that are the annular and distribute are seted up to the upper end of annular pouring chamber (40), pouring head (42) are installed to the below of annular pouring chamber (40), pouring head (42) evenly arrange along annular pouring chamber (40) circumference, communicate each other between pouring head (42) and annular pouring chamber (40), and pouring head (42) are located locating lever (25) directly over, the upper end fixedly connected with slider (43) of the periphery of pouring head (42), slider (43) evenly arrange along annular pouring head (42) circumference, sliding sleeve (44) establish on pouring head (42) through the sliding fit mode cover, and the lower terminal surface at annular pouring chamber (40) is fixed to the upper end of sliding sleeve (44), set up the slide that corresponds slider (43) and set up on the inner ring surface of sliding sleeve (44).
2. The system for manufacturing and processing the polyurethane heat-insulating layer of the heat-insulating steel pipe according to claim 1, which is characterized in that: the upper end face of the sliding plate (22) is symmetrically provided with a first rod (221), the upper end face of the sliding plate (22) is connected with the lower end of the first rod (221) through a pin shaft, the lower end of a second rod (222) is connected with the upper end of the first rod (221) through a pin shaft, the side wall of the first rod (221) is fixedly provided with a clamping ring (223) close to the pin shaft connecting end, the clamping ring (223) is located between the first rod (221) and the second rod (222), the clamping ring (223) is semicircular, screw holes are formed in two ends of the clamping ring (223), the threaded clamping rods (224) are in threaded connection with the corresponding screw holes in the two clamping rings (223), the upper end of the second rod (222) is connected with the lower end of the top plate (5) through the pin shaft, the upper end of the top plate (5) is provided with positioning holes penetrating through the top plate (5), the positioning holes are evenly distributed along the circumferential direction of the top plate (5), the positioning holes are located right above the positioning rods (25), and a support ring (225) is installed between the top plate (5) and the base (1).
3. The system for manufacturing and processing the polyurethane insulation layer of the insulation steel pipe according to claim 1, characterized in that: the up end of roof (5) on install middle part pole (51), middle part pole (51) are evenly arranged along roof (5) circumference, roof (5) are run through to the upper end of telescopic link (32), and telescopic link (32) link to each other with roof (5) through sliding fit, middle part pole (51) are located between locating hole and telescopic link (32), supporting rod (52) are installed to the upper end symmetry of middle part pole (51), the lateral wall of supporting rod (52) has been seted up one logical groove and No. two logical grooves, and No. two logical grooves are located between one logical groove and middle part pole (51), it is provided with slide bar (53) to slide in the one logical groove, it is provided with electric slider (54) to slide in No. two logical grooves, electric slider (54) keep away from one end fixedly connected with fixed block (55) each other, and No. three spouts have been seted up on fixed block (55), slide bar (53) slide butt joint is led to the inslot No. three in to slide bar (53).
4. The system for manufacturing and processing the polyurethane insulation layer of the insulation steel pipe according to claim 1, characterized in that: the pouring head is characterized in that pouring pipes (421) are arranged on the lower end face of the pouring head (42), the pouring pipes (421) are evenly distributed along the circumferential direction of the pouring head (42), the pouring pipes (421) are communicated with the pouring head (42), and pouring ports (422) are evenly distributed on the pouring pipes (421).
5. The system for manufacturing and processing the polyurethane heat-insulating layer of the heat-insulating steel pipe according to claim 1, which is characterized in that: and a telescopic ruler (61) is arranged between the lower end surface of the annular pouring cavity (40) and the upper end surface of the top plate (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110214512.8A CN113021715B (en) | 2021-02-25 | 2021-02-25 | Heat preservation steel pipe polyurethane heat preservation preparation system of processing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110214512.8A CN113021715B (en) | 2021-02-25 | 2021-02-25 | Heat preservation steel pipe polyurethane heat preservation preparation system of processing |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113021715A CN113021715A (en) | 2021-06-25 |
| CN113021715B true CN113021715B (en) | 2022-12-16 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202110214512.8A Active CN113021715B (en) | 2021-02-25 | 2021-02-25 | Heat preservation steel pipe polyurethane heat preservation preparation system of processing |
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Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3933348A1 (en) * | 1989-10-06 | 1991-04-18 | Kloeckner Ferromatik Desma | MOLDING LOCKING DEVICE FOR AN INJECTION MOLDING MACHINE |
| CN109591237A (en) * | 2018-12-10 | 2019-04-09 | 严斌 | A kind of rubber hose processing unit (plant) for gas cooker |
| CN211941716U (en) * | 2020-03-25 | 2020-11-17 | 天津旭迪聚氨酯保温防腐设备有限公司 | Automatic casting machine for polyurethane |
| CN111571910A (en) * | 2020-05-21 | 2020-08-25 | 合肥新胜塑料科技有限公司 | Process for manufacturing and processing pipeline polyurethane foam plastic heat-insulating layer |
| CN111546554A (en) * | 2020-06-04 | 2020-08-18 | 镇江中化聚氨酯工业设备有限公司 | Polyurethane casting machine |
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