CN114919160B - Steel-plastic composite spiral corrugated pipe forming assembly line - Google Patents
Steel-plastic composite spiral corrugated pipe forming assembly line Download PDFInfo
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- CN114919160B CN114919160B CN202210391570.2A CN202210391570A CN114919160B CN 114919160 B CN114919160 B CN 114919160B CN 202210391570 A CN202210391570 A CN 202210391570A CN 114919160 B CN114919160 B CN 114919160B
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- 239000002131 composite material Substances 0.000 title claims abstract description 39
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 127
- 239000010959 steel Substances 0.000 claims abstract description 127
- 238000003825 pressing Methods 0.000 claims abstract description 66
- 238000001125 extrusion Methods 0.000 claims abstract description 21
- 238000001816 cooling Methods 0.000 claims abstract description 7
- 238000003860 storage Methods 0.000 claims abstract description 7
- 238000003466 welding Methods 0.000 claims abstract description 7
- 238000005520 cutting process Methods 0.000 claims abstract description 6
- 238000010030 laminating Methods 0.000 claims abstract description 5
- 238000004080 punching Methods 0.000 claims description 15
- 238000000465 moulding Methods 0.000 claims 2
- 238000000034 method Methods 0.000 abstract description 13
- 238000004519 manufacturing process Methods 0.000 abstract description 6
- 230000003014 reinforcing effect Effects 0.000 abstract description 6
- 239000002994 raw material Substances 0.000 abstract description 4
- 239000000463 material Substances 0.000 description 12
- 239000011248 coating agent Substances 0.000 description 4
- 238000000576 coating method Methods 0.000 description 4
- 238000007493 shaping process Methods 0.000 description 4
- 238000004804 winding Methods 0.000 description 4
- 238000005452 bending Methods 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 230000002708 enhancing effect Effects 0.000 description 2
- 239000003292 glue Substances 0.000 description 2
- 206010066054 Dysmorphism Diseases 0.000 description 1
- 229910001294 Reinforcing steel Inorganic materials 0.000 description 1
- 239000011324 bead Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
Classifications
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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
- B29C53/00—Shaping by bending, folding, twisting, straightening or flattening; Apparatus therefor
- B29C53/56—Winding and joining, e.g. winding spirally
- B29C53/566—Winding and joining, e.g. winding spirally for making tubular articles followed by compression
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D35/00—Combined processes according to or processes combined with methods covered by groups B21D1/00 - B21D31/00
- B21D35/001—Shaping combined with punching, e.g. stamping and perforating
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D35/00—Combined processes according to or processes combined with methods covered by groups B21D1/00 - B21D31/00
- B21D35/002—Processes combined with methods covered by groups B21D1/00 - B21D31/00
-
- 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
- B29C53/00—Shaping by bending, folding, twisting, straightening or flattening; Apparatus therefor
- B29C53/22—Corrugating
- B29C53/30—Corrugating of tubes
-
- 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
- B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
- B29C65/48—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using adhesives, i.e. using supplementary joining material; solvent bonding
- B29C65/52—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using adhesives, i.e. using supplementary joining material; solvent bonding characterised by the way of applying the adhesive
-
- 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
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/80—General aspects of machine operations or constructions and parts thereof
-
- 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
- B29C69/00—Combinations of shaping techniques not provided for in a single one of main groups B29C39/00 - B29C67/00, e.g. associations of moulding and joining techniques; Apparatus therefore
- B29C69/02—Combinations of shaping techniques not provided for in a single one of main groups B29C39/00 - B29C67/00, e.g. associations of moulding and joining techniques; Apparatus therefore of moulding techniques only
-
- 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
- B29L2023/18—Pleated or corrugated hoses
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Shaping Of Tube Ends By Bending Or Straightening (AREA)
- Press Drives And Press Lines (AREA)
Abstract
The steel-plastic composite spiral corrugated pipe forming assembly line comprises a steel strip uncoiling device, a steel strip cutting and welding device, a steel strip storage device, a steel strip stamping forming device, a special-shaped steel strip laminating device, a steel-plastic composite strip cooling device and a steel-plastic composite strip coiling device which are connected in sequence; the steel belt stamping forming device comprises a bracket, a pre-pressing device and an extrusion forming device, wherein the pre-pressing device and the extrusion forming device are arranged on the bracket, and after the steel belt stamping forming device finishes processing one section of flat straight steel belt, the steel belt stamping forming device returns to an initial position under the action of an axial moving device to process the next section of flat straight steel belt; the forming assembly line only needs to process the steel strip which is a reinforcing raw material and is provided with a special steel strip stamping forming device, the steel strip stamping forming device can process the steel strip into a special-shaped steel strip similar to the existing multi-reinforced steel-plastic composite spiral corrugated pipe reinforcing structure at one time, and the forming assembly line has the advantages of novel and reliable design, low manufacturing cost and reliable product quality.
Description
Technical Field
The invention relates to a steel-plastic composite helical bellows forming assembly line, and belongs to the technical field of steel-plastic composite helical bellows manufacturing equipment.
Background
The prior multiple reinforced plastic-rigid composite helical bellows is as the Chinese patent publication number: CN109237148B; authorized bulletin day: 09 month 18 of 2020; name: the multi-reinforced steel-plastic composite spiral corrugated pipe is characterized by being formed by spirally winding a steel-plastic composite strip, wherein the steel-plastic composite strip comprises a horizontal woven steel mesh, a steel strip vertically adhered to the woven steel mesh and PE materials coated on the surfaces of the woven steel mesh and the vertical steel strip, the woven steel mesh for enhancing the strength of the pipe wall is additionally arranged in the pipe wall of the spiral corrugated pipe with the structure, and the vertical steel strip for enhancing the lateral stress capacity of the pipe wall is arranged on the outer side of the pipe wall. The reinforced part inside the spiral corrugated pipe is formed by splicing a horizontal woven steel mesh and a vertical steel belt, and the storage, the transportation, the processing and the splicing of raw materials of the reinforced part can be realized only by providing a large amount of manpower and material resources, so that the reinforced part has the defects of high labor intensity of workers, complex operation and high manufacturing cost.
According to the defects of the spiral corrugated pipe, the steel-plastic composite spiral corrugated pipe is newly designed as shown in fig. 6, the steel-plastic composite corrugated pipe is formed by spirally winding a steel-plastic composite strip, the steel-plastic composite strip is composed of a special-shaped steel strip 2 and PE materials 1 coated on the outer surface of the special-shaped steel strip 2, the special-shaped steel strip 2 comprises a horizontal strip 22 and a plurality of vertical strips 21 which are vertically positioned on the same side of the horizontal strip 22, the vertical strips 21 are formed by folding and laminating plane plates on the edges of the horizontal strip 22, the horizontal strips 21 are arranged on two sides of the vertical strips 21, and a plurality of through holes 221 are uniformly distributed on the horizontal strip 22. The two sides of the vertical strip 21 are provided with a plurality of straight grooves at equal intervals, the straight grooves at the two sides of the vertical strip 21 are staggered at equal intervals, the straight grooves are formed by stamping, the surface of the vertical strip 21 on the back of the straight groove is outwards protruded to be a straight convex edge, and the straight grooves are in vertical relation with the horizontal strip 22. After the steel-plastic composite strip is spirally wound into a corrugated tube, the vertical strip 21 is spirally arranged on the outer surface of the tube body formed by the horizontal strip 22. The unit designs a forming assembly line for the spiral corrugated pipe.
Disclosure of Invention
The invention aims at designing a forming assembly line for the novel spiral corrugated pipe, wherein the forming assembly line only needs to process the steel strip which is a reinforcing raw material, and is provided with a special steel strip stamping forming device, the steel strip stamping forming device can process the steel strip into a special steel strip similar to the existing multi-reinforced steel-plastic composite spiral corrugated pipe reinforcing structure at one time, and the forming assembly line has the advantages of novel and reliable design, low manufacturing cost and reliable product quality.
The technical aim of the invention is realized by the following technical scheme:
the steel-plastic composite spiral corrugated pipe forming assembly line comprises a steel strip uncoiling device, a steel strip cutting and welding device, a steel strip storage device, a steel strip stamping forming device, a special-shaped steel strip laminating device, a steel-plastic composite strip cooling device and a steel-plastic composite strip coiling device which are connected in sequence;
the steel belt stamping forming device comprises a bracket, a pre-pressing device and an extrusion forming device, wherein the pre-pressing device and the extrusion forming device are arranged on the bracket, after the steel belt stamping forming device finishes processing one section of flat straight steel belt, the steel belt stamping forming device returns to an initial position under the action of an axial moving device, and then the next section of flat straight steel belt is processed;
the pre-pressing device comprises an axial upper pressing block and an axial lower forming block, wherein the axial lower forming block is provided with axial V-shaped grooves corresponding to forming openings of the axial upper pressing block one by one, the axial upper pressing block realizes vertical movement on the support through the action of a lower pressing cylinder, and the axial upper pressing block is matched with the V-shaped grooves in an extrusion manner to realize pre-pressing and bending of the plane straight steel belt;
the extrusion forming device comprises an upper pressing punching assembly and a side pressing assembly, the upper pressing punching assembly comprises an upper sliding frame and a plurality of sliding blocks arranged in a transverse slideway at the middle part of the upper sliding frame, a plurality of vertical punching rods are uniformly distributed on the lower surface of the sliding blocks, a transverse return spring is arranged between the two sliding blocks, and the upper sliding frame realizes vertical sliding on the bracket through a top vertical cylinder; the side pressure assembly comprises a plurality of supporting blocks which are transversely arranged on the supporting frame in a sliding mode, the supporting blocks are arranged in a linear mode and correspond to the sliding blocks one by one, vertical through holes corresponding to the vertical punching rods are formed in the supporting blocks, transverse movement of the two supporting blocks located at the outermost end is driven by two transverse cylinders fixed on the supporting frame respectively, and vertical movement of the supporting frame is driven by the vertical cylinders on the supporting frame.
Through adopting above-mentioned technical scheme, provide a shaping assembly line about new corrugated tube, this shaping assembly line only need process the raw and other materials for this kind of enhancement of steel band to set up a special steel band stamping forming device, this steel band stamping forming device can once only process into the steel band with the current multiple reinforcing steel plastic composite helical bellows additional strengthening similar dysmorphism steel band of steel band, this shaping assembly line modern design is reliable, has low in manufacturing cost, the reliable advantage of product quality.
The invention is further provided with: an upper guide piece is arranged between the lower pressing cylinder and the axial lower forming block, and the axial upper pressing block passes through a guide through hole on the upper guide piece under the action of the lower pressing cylinder to realize extrusion fit with a V-shaped groove on the axial lower forming block.
Through adopting above-mentioned technical scheme, set up the last guide about axial briquetting between lower air cylinder and axial lower shaping piece, can effectively guarantee the accurate correspondence of axial briquetting and supporting shoe, guarantee to punch smoothly on the steel band.
The invention is further provided with: each axial upper pressing block is independently driven by an independent pressing cylinder.
Through adopting above-mentioned technical scheme, the briquetting designs into the individual drive in the axial, and when the briquetting was more in the axial, the time of pushing down of each axial briquetting can be adjusted according to actual need to avoid a plurality of axial briquetting to push down simultaneously, cause the condition of steel band damage.
The invention is further provided with: the opposite sides of the supporting block are correspondingly provided with convex edges and grooves for forming straight grooves on two sides of the vertical strip.
Through adopting above-mentioned technical scheme, set up the structure that is used for straight flute and straight bead on stamping forming vertical strip at the lateral wall of supporting shoe, the side direction bearing capacity of vertical strip can effectively be strengthened to straight flute on the vertical strip.
The invention is further provided with: a transverse return spring is also arranged between the supporting blocks.
Through adopting above-mentioned technical scheme, return spring's design can effectively guarantee the return operation of a plurality of supporting shoe, and extrusion device of being convenient for processes next section steel band.
The invention is further provided with: the vertical cylinder is arranged on the bracket above the supporting frame.
Through adopting above-mentioned technical scheme, set up vertical cylinder on the support of support frame top, can effectively guarantee the compactibility of the vertical mobile device overall arrangement of support frame.
The invention has the main beneficial effects that:
1. the forming assembly line only needs to process the steel strip which is a reinforcing raw material, and is provided with a special steel strip stamping forming device, the steel strip stamping forming device can process the steel strip into the special-shaped steel strip similar to the reinforcing structure of the existing multi-reinforced steel-plastic composite spiral corrugated pipe at one time, and the forming assembly line has the advantages of novel and reliable design, low manufacturing cost and reliable product quality;
2. according to the invention, the upper guide piece related to the axial pressing block is arranged between the lower pressing cylinder and the axial lower forming block, so that the accurate correspondence between the axial upper pressing block and the supporting block can be effectively ensured, and smooth punching on the steel belt is ensured;
3. according to the invention, the axial upward pressing blocks are designed to be independently driven, and when more axial upward pressing blocks are arranged, the pressing time of each axial upward pressing block can be adjusted according to actual needs, so that the condition that a plurality of axial upward pressing blocks are simultaneously pressed down to cause damage to a steel belt is avoided;
4. according to the invention, the side wall of the supporting block is provided with the structure for punching and forming the straight grooves on the vertical strip, so that the lateral bearing capacity of the vertical strip can be effectively enhanced by the straight grooves on the vertical strip;
5. according to the invention, the return springs are arranged between the supporting blocks, so that the return operation of a plurality of supporting blocks can be effectively ensured, and the extrusion device is convenient for processing the next section of steel belt.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the description of the embodiments will be briefly described below, and it is apparent that the drawings in the following description are only some embodiments of the present invention, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of a forming line of the present invention;
FIG. 2 is a schematic view of the exterior of the steel strip press forming apparatus of the present invention;
FIG. 3 is a schematic view of the structure of the pre-pressing device of the present invention;
FIG. 4 is a schematic view showing the structure of the extrusion molding apparatus before extruding a steel strip according to the present invention;
FIG. 5 is a schematic view showing the structure of the extrusion molding apparatus of the present invention when extruding a steel strip;
fig. 6 is a schematic structural view of the extruded profiled strip of the present invention after coating with PE material.
In the figure, 1, PE material; 2. a profiled steel strip; 21. a vertical strip; 22. a horizontal strip; 221. a through hole; 3. a planar straight steel strip; 4. a bracket; 5. a pre-pressing device; 51. axially pressing blocks; 52. an upper guide; 53. forming the block axially downwards; 531. a V-shaped groove; 54. a pressing cylinder; 6. an extrusion molding device; 61. an upper carriage; 62. a slide block; 63. a vertical ram; 64. a return spring; 65. a top vertical cylinder; 66. a support 66; 67. a support block; 68. a transverse cylinder; 69. a vertical cylinder; 7. a guide rail; A. a steel strip uncoiling device; B. a steel strip cutting and welding device; C. a steel strip storage device; D. a steel strip stamping forming device; E. the special-shaped steel belt glue coating device; F. a steel-plastic composite strip cooling device; G. the steel-plastic composite strip is wound into a pipe device.
Detailed Description
The technical scheme of the present invention will be clearly and completely described in connection with specific embodiments. It will be apparent that the described embodiments are only some, but not all, embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to fall within the scope of the invention.
Embodiment one:
as shown in fig. 1, the steel-plastic composite spiral corrugated pipe forming assembly line comprises a steel belt uncoiling device A, a steel belt cutting and welding device B, a steel belt storage device C, a steel belt stamping forming device D, a special-shaped steel belt laminating device E, a steel-plastic composite strip cooling device F and a steel-plastic composite strip coiling and forming pipe device G which are connected in sequence. The steel strip uncoiling device A is used for uncoiling coiled steel strips, the steel strip cutting and welding device B is used for connecting two coiled steel strips, and the steel strip storage device C is used for temporarily storing the uncoiled steel strips so as to solve the problem that when the steel strips are cut and welded, no steel strip at a welding machine can be sent to the next processing equipment, and the whole processing assembly line pauses processing; the steel belt stamping forming device D is used for stamping the steel belt into a special-shaped steel belt, the special-shaped steel belt glue coating device E is used for coating a PE material layer on the outer surface of the special-shaped steel belt, the steel-plastic composite belt material cooling device F is used for cooling the belt material which is just coated with the PE material layer, and the steel-plastic composite belt material winding pipe device G is used for winding the steel-plastic composite belt material into a spiral corrugated pipe.
Referring to fig. 2 to 5, the profiled steel strip 2 is formed by processing a flat straight steel strip 3 by a steel strip punch forming device D, wherein the steel strip punch forming device D comprises a bracket 4, a pre-pressing device 5 and an extrusion forming device 6 which are arranged on the bracket 4, and after the steel strip punch forming device D finishes processing one section of flat straight steel strip 3, the steel strip punch forming device is retracted to an initial position under the action of an axial moving device to process the next section of flat straight steel strip 3, and the axial moving device drives the bracket 4 to axially move on a guide rail 7.
As shown in fig. 3, the pre-pressing device 5 includes an axial upper pressing block 51, an upper guiding piece 52 and an axial lower forming block 53, the axial lower forming block 53 is provided with a plurality of axial V-shaped grooves 531 corresponding to the forming opening edges of the axial upper pressing block 51, each axial upper pressing block 51 is independently driven by an independent lower pressing cylinder 54, the axial upper pressing block 51 passes through a guiding through hole on the upper guiding piece 52 under the action of the lower pressing cylinder 54, and then the pre-pressing and bending of the plane straight steel strip 3 are realized through the cooperation with the V-shaped grooves 531.
As shown in fig. 4 and 5, the extrusion forming device 6 comprises an upper pressing punching assembly and a side pressing assembly, the upper pressing punching assembly comprises an upper sliding frame 61 and a plurality of sliding blocks 62 arranged in a transverse slideway of the upper sliding frame 61, a plurality of vertical punching rods 63 are uniformly distributed on the lower surface of the sliding blocks 62, return springs 64 are arranged between the two sliding blocks 62, and the upper sliding frame 61 realizes vertical sliding on the bracket 4 through a top vertical cylinder 65; the side pressure assembly comprises a plurality of supporting blocks 67 which are transversely arranged on a supporting frame 66 in a sliding mode, the supporting blocks 67 are arranged in a straight line, ribs and grooves which are formed in straight grooves and straight ribs on two sides of the vertical strip 21 are correspondingly formed in opposite sides of the supporting blocks 67, vertical through holes corresponding to the vertical punching rods 63 are formed in the supporting blocks 67, transverse movement of the supporting blocks 67 at two ends is driven by transverse air cylinders 68 fixed to the supporting frame 66 respectively, vertical movement of the supporting frame 66 is driven by vertical air cylinders 69 on the supporting frame 4, and the vertical air cylinders 69 are arranged on the supporting frame 4 above the supporting frame 66.
When the special-shaped steel belt 2 is manufactured, the plane straight steel belt 3 continuously moves forward under the action of a tractor, the steel belt stamping forming device D moves forward synchronously with the plane straight steel belt under the action of an axial driving device, meanwhile, the section of the plane straight steel belt 3 which moves synchronously is extruded and formed, after extrusion forming is finished, the steel belt stamping forming device D returns to an initial position under the action of the axial driving device, and extrusion forming is carried out on the next section of the plane straight steel belt 3.
During prepressing, the axial upper pressing block 51 passes through the guide through hole on the upper guide piece 52 under the action of the lower pressing cylinder 54, and then is matched with the V-shaped groove 531 to realize prepressing bending of the plane straight steel strip 3. When the prepressing device is provided with more than three axially upward pressing blocks 51, when prepressing, one or two axially upward pressing blocks 51 at the center are simultaneously pressed down, and then the axially upward pressing blocks 51 outside the inside are sequentially pressed down, so that the condition that a plurality of axially upward pressing blocks 51 are simultaneously pressed down to cause the steel strip to be broken by punching is avoided. When the steel strip punch forming device D is required to retreat to the initial position to process the next section of steel plate, the axial upper pressing block 51 retreats into the guide through hole of the upper guide piece 52 under the action of the lower pressing cylinder 54.
During extrusion molding, the supporting frame 66 moves upwards under the action of the vertical air cylinder 69 to enable the supporting block 67 to lean against the steel belt, meanwhile, the upper sliding frame 61 moves downwards under the action of the vertical air cylinder 65 at the top to enable the vertical punching rod 63 on the sliding block 62 to be matched with the through hole on the supporting block 67, the horizontal part of the steel belt is positioned, the through hole is punched at the same time, then the transverse air cylinder 68 drives the supporting block 67 to move transversely (at the moment, the sliding block 62 moves transversely along with the supporting block 67 synchronously), the V-shaped part of the pre-molded steel belt is extruded, and the vertical belt and the straight groove on the vertical belt are extruded. When the steel strip stamping forming device D needs to retreat to an initial position to process the next section of steel plate, the vertical cylinder 69 drives the supporting frame 66 to move downwards, so that the supporting block 67 is separated from the formed special-shaped steel strip, and the completely separated supporting block 67 returns to the initial position under the action of the transverse return spring after the transverse cylinder 68 is retracted; the upper carriage 61 moves up by the top vertical cylinder 65 to disengage the vertical ram 63 on the slide 62 from the support block 67 and the steel belt, at which time the slide 62 is retracted to the home position by the return spring.
Claims (6)
1. The steel-plastic composite spiral corrugated pipe forming assembly line is characterized in that: the steel strip coiling and uncoiling device comprises a steel strip uncoiling device (A), a steel strip cutting and welding device (B), a steel strip storage device (C), a steel strip stamping and forming device (D), a special-shaped steel strip laminating device (E), a steel-plastic composite strip cooling device (F) and a steel-plastic composite strip coiling and forming tube device (G) which are connected in sequence;
the steel belt stamping forming device (D) comprises a bracket (4), a pre-pressing device (5) and an extrusion forming device (6) which are arranged on the bracket (4), wherein after the steel belt stamping forming device (D) finishes processing one section of flat straight steel belt (3), the steel belt stamping forming device is retracted to an initial position under the action of an axial moving device, and then the next section of flat straight steel belt (3) is processed;
the pre-pressing device (5) comprises an axial upper pressing block (51) and an axial lower forming block (53), wherein axial V-shaped grooves (531) which are in one-to-one correspondence with forming openings of the axial upper pressing block (51) are formed in the axial lower forming block (53), the axial upper pressing block (51) vertically moves on the support (4) under the action of a lower pressing cylinder (54), and the axial upper pressing block (51) is matched with the V-shaped grooves (531) in an extrusion mode to pre-press and bend the plane straight steel belt (3);
the extrusion forming device (6) comprises an upper pressing punching assembly and a side pressing assembly, the upper pressing punching assembly comprises an upper sliding frame (61) and a plurality of sliding blocks (62) arranged in a transverse slideway at the middle part of the upper sliding frame (61), a plurality of vertical punching rods (63) are uniformly distributed on the lower surface of the sliding blocks (62), a transverse return spring (64) is arranged between the two sliding blocks (62), and the upper sliding frame (61) realizes vertical sliding on the support (4) through a top vertical cylinder (65); the side pressure subassembly include a plurality of supporting shoe (67) of transversely sliding arrangement on support frame (66), a plurality of supporting shoe (67) are sharp and with slider (62) one-to-one, be provided with on supporting shoe (67) with vertical punch stem (63) corresponding vertical through-hole, the lateral shifting that is located two supporting shoe (67) of outer end is driven by two horizontal cylinders (68) of fixing on support frame (66) respectively, the vertical shifting of support frame (66) is driven by vertical cylinder (69) on support (4).
2. The steel-plastic composite helical bellows forming line according to claim 1, wherein: an upper guide piece (52) is arranged between the lower pressing cylinder (54) and the axial lower forming block (53), and the axial upper pressing block (51) passes through a guide through hole on the upper guide piece (52) under the action of the lower pressing cylinder (54) to realize extrusion fit with a V-shaped groove (531) on the axial lower forming block (53).
3. The steel-plastic composite helical bellows forming line according to claim 1, wherein: each axial upper pressing block (51) is independently driven by an independent lower pressing cylinder (54).
4. The steel-plastic composite helical bellows forming line according to claim 1, wherein: the opposite sides of the supporting blocks (67) are correspondingly provided with ribs and grooves for forming straight grooves on two sides of the vertical strip (21).
5. The steel-plastic composite helical bellows molding line according to claim 4, wherein: a transverse return spring is also arranged between the supporting blocks (67).
6. The steel-plastic composite helical bellows molding line according to claim 4, wherein: the vertical cylinder (69) is arranged on the bracket (4) above the supporting frame (66).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210391570.2A CN114919160B (en) | 2022-04-14 | 2022-04-14 | Steel-plastic composite spiral corrugated pipe forming assembly line |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210391570.2A CN114919160B (en) | 2022-04-14 | 2022-04-14 | Steel-plastic composite spiral corrugated pipe forming assembly line |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114919160A CN114919160A (en) | 2022-08-19 |
| CN114919160B true CN114919160B (en) | 2024-03-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210391570.2A Active CN114919160B (en) | 2022-04-14 | 2022-04-14 | Steel-plastic composite spiral corrugated pipe forming assembly line |
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| EP1630513A2 (en) * | 2004-08-24 | 2006-03-01 | Behr GmbH & Co. KG | Flat tube for heat exchanger, in particular for vehicles and method for producing the same |
| CN105333241A (en) * | 2015-11-25 | 2016-02-17 | 安徽华奇管业有限公司 | Steel-clamping rib-stiffened hollow plastic outer corrugated pipe and manufacturing method thereof |
| CN205560034U (en) * | 2016-05-06 | 2016-09-07 | 丁世彤 | New -type steel band reinforced plastics helical bellows |
| CN112789125A (en) * | 2018-10-01 | 2021-05-11 | 萨尔瓦尼尼意大利股份公司 | Hydraulic driving system of punching equipment |
Family Cites Families (1)
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| Publication number | Priority date | Publication date | Assignee | Title |
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| EP1630513A2 (en) * | 2004-08-24 | 2006-03-01 | Behr GmbH & Co. KG | Flat tube for heat exchanger, in particular for vehicles and method for producing the same |
| CN105333241A (en) * | 2015-11-25 | 2016-02-17 | 安徽华奇管业有限公司 | Steel-clamping rib-stiffened hollow plastic outer corrugated pipe and manufacturing method thereof |
| CN205560034U (en) * | 2016-05-06 | 2016-09-07 | 丁世彤 | New -type steel band reinforced plastics helical bellows |
| CN112789125A (en) * | 2018-10-01 | 2021-05-11 | 萨尔瓦尼尼意大利股份公司 | Hydraulic driving system of punching equipment |
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