CN117341175B - Plastic extrusion die for mineral fireproof cable production - Google Patents
Plastic extrusion die for mineral fireproof cable production Download PDFInfo
- Publication number
- CN117341175B CN117341175B CN202311641227.XA CN202311641227A CN117341175B CN 117341175 B CN117341175 B CN 117341175B CN 202311641227 A CN202311641227 A CN 202311641227A CN 117341175 B CN117341175 B CN 117341175B
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- Prior art keywords
- plate
- fixedly connected
- gear
- ring
- sub
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- 229910052500 inorganic mineral Inorganic materials 0.000 title claims abstract description 19
- 239000011707 mineral Substances 0.000 title claims abstract description 19
- 238000001125 extrusion Methods 0.000 title claims abstract description 16
- 239000004033 plastic Substances 0.000 title claims abstract description 16
- 229920003023 plastic Polymers 0.000 title claims abstract description 16
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 8
- 239000000463 material Substances 0.000 claims abstract description 54
- 238000004513 sizing Methods 0.000 claims abstract description 27
- 238000003825 pressing Methods 0.000 claims description 55
- 238000013016 damping Methods 0.000 claims description 45
- 230000006835 compression Effects 0.000 claims description 31
- 238000007906 compression Methods 0.000 claims description 31
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 18
- 229910052742 iron Inorganic materials 0.000 claims description 9
- 230000001360 synchronised effect Effects 0.000 claims description 6
- 239000000126 substance Substances 0.000 claims description 2
- 230000000149 penetrating effect Effects 0.000 claims 1
- 239000011248 coating agent Substances 0.000 abstract description 25
- 238000000576 coating method Methods 0.000 abstract description 25
- 238000005253 cladding Methods 0.000 abstract 1
- 238000000034 method Methods 0.000 description 6
- 238000004140 cleaning Methods 0.000 description 3
- 238000007493 shaping process Methods 0.000 description 3
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- 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
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/30—Extrusion nozzles or dies
- B29C48/32—Extrusion nozzles or dies with annular openings, e.g. for forming tubular articles
-
- 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
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/15—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor incorporating preformed parts or layers, e.g. extrusion moulding around inserts
- B29C48/154—Coating solid articles, i.e. non-hollow articles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2031/00—Other particular articles
- B29L2031/34—Electrical apparatus, e.g. sparking plugs or parts thereof
- B29L2031/3462—Cables
Abstract
The invention relates to the technical field of cable production, and discloses a plastic extrusion die for producing mineral fireproof cables, which solves the problem that insulating coating materials are easy to adhere to the inner wall of a sizing material channel, and workers are inconvenient to clean the insulating coating materials on the inner wall of the sizing material channel in the later period; the insulating cladding material on the inner wall of the sizing material channel is convenient for staff to clean.
Description
Technical Field
The invention belongs to the technical field of cable production, and particularly relates to a plastic extrusion die for mineral fireproof cable production.
Background
After the wires are stranded, the mineral fireproof cable needs to wrap a layer of mineral fireproof insulating coating material on the stranded cable core to protect the cable core. In the production process of the mineral fireproof cable, the outer insulating coating material is required to be coated on the outer wall of the wire core, wherein the wire core penetrates through the die core body and the die sleeve body, the insulating coating material is introduced into a sizing material channel between the die core body and the die sleeve body, the insulating coating material is easy to adhere to the inner wall of the sizing material channel along with the increase of the service time, and staff is inconvenient to clean the insulating coating material on the inner wall of the sizing material channel in later period.
Disclosure of Invention
Aiming at the situation, in order to overcome the defects of the prior art, the invention provides the plastic extrusion die for producing the mineral fireproof cable, which effectively solves the problems that the insulating coating material is easy to be adhered to the inner wall of the sizing channel in the background art, and staff is inconvenient to clean the insulating coating material on the inner wall of the sizing channel in the later period.
In order to achieve the above purpose, the present invention provides the following technical solutions: the utility model provides a plastics extrusion die is used in production of mineral substance fireproof cable, which comprises a die core body, the one end cover of mold core body is equipped with the die sleeve body, one side that the die sleeve body kept away from the die core body is equipped with the annular case, the die sleeve body includes a plurality of sub-die sleeves that are circumference evenly distributed, set up on the sub-die sleeve with mold core body matched with sizing material passageway, be equipped with the inlet pipe on the sub-die sleeve, one side that the annular case is close to the die sleeve body is equipped with sizing material passageway matched with shaping pipe, the one end that the shaping pipe kept away from the annular case contacts with the sub-die sleeve, and shaping pipe and annular case are connected through pressing the locking unit, one side of sub-die sleeve is equipped with the rotor plate, sub-die sleeve and rotor plate pass through the dismouting piece and connect, a plurality of dodging the hole has been seted up on the annular case, the one end of rotor plate far away from the ion die sleeve runs through dodging the hole, and the rotor plate is located the pivot fixed connection of annular case, the outside cover of pivot is equipped with first supporting part, the junction of pivot and first supporting part is equipped with the bearing, fixedly connected with a plurality of ring gear and matched with on the annular case, ring gear and annular case are equipped with ring gear and ring gear through the annular ring gear and the synchronous drive assembly on the annular case, and the damping assembly is equipped with the ring gear.
Preferably, the pressing and positioning structure comprises a first support column arranged on one side of the rotating plate, the first support column is connected with the rotating plate through a first connecting plate, a first thread bush is fixedly connected to the gear ring, a second thread bush is arranged in the first thread bush, the second thread bush and the first thread bush are connected in a threaded mode, a first movable ring is arranged on one side of the second thread bush, the second thread bush and the first movable ring are connected through an elastic device, a pressing plate is arranged on one side of the first support column, the pressing plate is connected with the first movable ring through a second connecting plate, a fixed block is arranged on the outer sleeve of the second connecting plate, and the fixed block is fixedly connected with the inner wall of the annular box.
Preferably, the elastic device comprises a plurality of second supporting parts fixedly mounted on the second threaded sleeve, a movable column is fixedly connected to the second supporting parts and penetrates through the first movable ring, one end, away from the second supporting parts, of the movable column is fixedly connected with a fixed disc, a first compression spring is sleeved on the outer portion of the movable column, and two ends of the first compression spring are fixedly connected with the fixed disc and the first movable ring respectively.
Preferably, the driving structure comprises a motor fixedly mounted on the annular box, an output end of the motor is fixedly connected with a first gear positioned in the annular box, and the first gear is meshed with the gear ring.
Preferably, the damping synchronization assembly comprises a first connecting shaft and a second connecting shaft which are arranged on one side of the rotating shaft, one end of the first connecting shaft is connected with the inner wall of the annular box through a bearing, a second gear is fixedly sleeved on the outer portion of the first connecting shaft, the second gear is meshed with the gear ring, a first damping disc is fixedly connected to the first connecting shaft, a second damping disc is fixedly connected to the second connecting shaft, the second damping disc is contacted with the first damping disc, a third supporting portion is sleeved on the outer portion of the second connecting shaft, a bearing is arranged at the joint of the second connecting shaft and the third supporting portion, the third supporting portion is fixedly connected with the inner wall of the annular box, and the second connecting shaft is connected with the rotating shaft through a meshing unit.
Preferably, the meshing unit comprises a first bevel gear fixedly arranged on the second connecting shaft, a second bevel gear is fixedly sleeved outside the rotating shaft, and the second bevel gear is meshed with the first bevel gear.
Preferably, the pressing and locking unit comprises a plurality of fixed plates fixedly mounted on the forming pipe, a first clamping groove is formed in the fixed plates, a second movable ring is arranged on one side, close to the die sleeve body, of the annular box, a plurality of fixed columns are fixedly connected to the second movable ring, clamping blocks are fixedly connected to the fixed columns and located in the corresponding first clamping grooves, grooves are formed in the fixed columns, second supporting columns are arranged in the grooves, the second supporting columns are fixedly connected with the annular box, and the inner walls of the second supporting columns and the grooves are connected through second compression springs.
Preferably, the fixed column is fixedly connected with a magnet, the fixed plate is fixedly connected with an iron plate, and the iron plate is in contact with the magnet.
Preferably, the dismounting piece comprises a limiting block fixedly mounted on the sub-die sleeve, a through hole is formed in the rotating plate, the limiting block is located in the through hole, a second clamping groove is formed in the limiting block, a sliding groove is formed in the inner wall of the through hole, a clamping plate is arranged in the sliding groove, one end of the clamping plate is connected with the inner wall of the sliding groove through a third compression spring, the other end of the clamping plate is located in the second clamping groove, and a pushing unit is arranged on the clamping plate.
Preferably, the pushing unit comprises a pushing plate fixedly arranged on the clamping plate, a rectangular hole is formed in the inner wall of the sliding groove, and the pushing plate penetrates through the rectangular hole.
Compared with the prior art, the invention has the beneficial effects that:
the gear ring is driven to rotate through the driving structure, the pressing and positioning of the rotating plate are relieved through the pressing and positioning structure, when the pressing and positioning of the rotating plate are relieved, the gear ring drives the rotating shaft to rotate through the damping synchronous assembly, the rotating shaft drives the rotating plate and the sub-die sleeves to rotate, finally the rotating plate contacts one side of the stop block, the rotating plate stops rotating, the plurality of sub-die sleeves are uniformly distributed outside the annular box in circumference, so that the rubber material channel is exposed to the outside, workers can conveniently clean insulating coating materials on the inner wall of the rubber material channel, after the cleaning of the insulating coating materials on the inner wall of the rubber material channel is finished, the gear ring drives the rotating shaft to reversely rotate through the driving structure, so that the rotating plate and the sub-die sleeves reset to the initial position again, and as the gear ring continuously rotates, the gear ring presses and positions the rotating plate through the pressing and positioning structure, so that the plurality of sub-die sleeves are combined into a die sleeve body, and the wire core can be extruded and coated again.
Drawings
The accompanying drawings are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate the invention and together with the embodiments of the invention, serve to explain the invention.
In the drawings:
FIG. 1 is a schematic diagram of the overall structure of the present invention;
FIG. 2 is a schematic view of the structure of the inside of the annular box of the present invention;
FIG. 3 is a schematic view of the structure of the ring gear of the present invention;
FIG. 4 is a schematic view of a spindle according to the present invention;
FIG. 5 is an exploded view of the rotating plate of the present invention in section;
FIG. 6 is a schematic view of the first damping disk and the second damping disk of the present invention disassembled;
FIG. 7 is an exploded view of the present invention;
fig. 8 is an exploded view of a second movable ring of the present invention.
In the figure: 1. a mold core body; 2. a die sleeve body; 3. a sub-die sleeve; 4. a feed pipe; 5. a sizing material channel; 6. an annular box; 7. forming a tube; 8. avoidance holes; 9. a rotating plate; 10. a rotating shaft; 11. a first support portion; 12. a stopper; 13. a gear ring; 14. a first support column; 15. a first connection plate; 16. a first threaded sleeve; 17. a second threaded sleeve; 18. a first movable ring; 19. pressing the plate; 20. a second connecting plate; 21. a fixed block; 22. a movable column; 23. a second supporting part; 24. a fixed plate; 25. a first compression spring; 26. a motor; 27. a first gear; 28. a first connecting shaft; 29. a second gear; 30. a first damping disk; 31. a second damping disk; 32. a second connecting shaft; 33. a third supporting part; 34. a first bevel gear; 35. a second bevel gear; 36. a fixing plate; 37. a first clamping groove; 38. a second movable ring; 39. fixing the column; 40. a clamping block; 41. a groove; 42. a second support column; 43. a second compression spring; 44. a magnet; 45. an iron plate; 46. a limiting block; 47. a through hole; 48. a second clamping groove; 49. a chute; 50. a clamping plate; 51. a third compression spring; 52. a rectangular hole; 53. a push plate.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described 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 be within the scope of the invention.
The first embodiment is given by fig. 1 to 8, the invention comprises a mold core body 1, one end of the mold core body 1 is sleeved with a mold sleeve body 2, one side of the mold sleeve body 2 far away from the mold core body 1 is provided with an annular box 6, the mold sleeve body 2 comprises a plurality of sub-mold sleeves 3 which are uniformly distributed circumferentially, a sizing material channel 5 matched with the mold core body 1 is arranged on the sub-mold sleeve 3, a feed pipe 4 is arranged on the sub-mold sleeve 3, one side of the annular box 6 close to the mold sleeve body 2 is provided with a forming tube 7 matched with the sizing material channel 5, one end of the forming tube 7 far away from the annular box 6 is contacted with the sub-mold sleeve 3, the forming tube 7 is connected with the annular box 6 through a pressing locking unit, one side of the sub-mold sleeve 3 and the rotating plate 9 are connected through a dismounting piece, a plurality of avoidance holes 8 are formed in the annular box 6, one end of the rotating plate 9 far away from the ion mold sleeve 3 penetrates through the avoidance holes 8, the rotating plate 9 is fixedly connected with a rotating shaft 10 positioned in the annular box 6, a first supporting part 11 is sleeved outside the rotating shaft 10, a connecting part is arranged at the connecting part of the rotating shaft 10 and the first supporting part 11, a bearing is arranged at the connecting part of the rotating shaft 11 and the first supporting part 11, one end is matched with the annular box 6 is fixedly connected with the annular box 6 through a ring gear ring 13, a ring 13 is fixedly connected with the annular box 6 and a ring 13 fixedly arranged on the annular box 6, a ring 13 is fixedly connected with the annular box 6 through a ring 13, a ring 13 is fixedly connected with the annular box 13, which is fixedly connected with the ring 13, and is fixedly connected with the ring 13 is fixedly arranged on the ring assembly is fixedly connected with the ring 13, and has a ring 13; the gear ring 13 is driven to rotate through the driving structure, the pressing and positioning of the rotating plate 9 are relieved through the pressing and positioning structure, when the pressing and positioning of the rotating plate 9 are relieved, the gear ring 13 drives the rotating shaft 10 to rotate through the damping synchronous assembly, the rotating shaft 10 drives the rotating plate 9 and the sub-die sleeve 3 to rotate, finally the rotating plate 9 contacts one side of the stop block 12, the rotating plate 9 stops rotating, the plurality of sub-die sleeves 3 are uniformly distributed outside the annular box 6 in circumference, so that the sizing material channel 5 is exposed to the outside, workers can conveniently clean insulating coating materials on the inner wall of the sizing material channel 5, after the insulating coating materials on the inner wall of the sizing material channel 5 are cleaned, the gear ring 13 is driven to reversely rotate through the driving structure, the gear ring 13 drives the rotating shaft 10 to reversely rotate through the damping synchronous assembly, so that the rotating plate 9 and the sub-die sleeve 3 are reset to the initial position again, and along with the continuous rotation of the gear ring 13, the rotating plate 9 is pressed and positioned through the pressing and positioning structure, the plurality of sub-die sleeves 3 are combined into the die sleeve body 2, and the wire cores can be extruded and coated again.
Based on the first embodiment, as shown in fig. 1, fig. 2, fig. 3 and fig. 4, the pressing positioning structure comprises a first support column 14 arranged on one side of a rotating plate 9, the first support column 14 is connected with the rotating plate 9 through a first connecting plate 15, a first thread bush 16 is fixedly connected on a gear ring 13, a second thread bush 17 is arranged in the first thread bush 16, the second thread bush 17 is connected with the first thread bush 16 in a threaded manner, a first movable ring 18 is arranged on one side of the second thread bush 17, the second thread bush 17 is connected with the first movable ring 18 through an elastic device, a pressing plate 19 is arranged on one side of the first support column 14, the pressing plate 19 is connected with the first movable ring 18 through a second connecting plate 20, a fixed block 21 is sleeved outside the second connecting plate 20, the fixed block 21 is fixedly connected with the inner wall of the annular box 6, the elastic device comprises a plurality of second supporting parts 23 fixedly mounted on the second thread bush 17, movable columns 22 are fixedly connected on the second supporting parts 23, the movable columns 22 penetrate through the first movable rings 18, a first end 24 of the movable columns 22, which is far away from the second supporting parts 23, a first end 24 of the movable columns 22 is fixedly connected with a first annular gear ring gear 25, a first end 26 is fixedly connected with a first end 26 of a compression plate 25, which is fixedly connected with a first end 26 of a compression plate 6, and fixedly connected with a second end 26, and fixedly connected with the first end 25 is fixedly connected with a first end of a ring gear, and fixedly connected with a ring 25, and is arranged at the end 26, respectively, and is fixedly connected with the end at the end, and is positioned at the end, and is fixed at the end, and is at the end is at 25;
the first gear 27 is driven to rotate by the motor 26, the first gear 27 drives the gear ring 13 to rotate, when the rotary plate 9 and the sub-die sleeve 3 rotate, the sub-die sleeve 3 is reset to the initial position again, the gear ring 13 drives the first thread sleeve 16 to rotate along with the continuous rotation of the gear ring 13, the first thread sleeve 16 drives the second thread sleeve 17 to move horizontally, the second thread sleeve 17 drives the movable column 22 and the fixed disc 24 to synchronously move horizontally, the fixed disc 24 drives the first movable ring 18, the second connecting plate 20 and the pressing plate 19 to move through the first compression spring 25, when the pressing plate 19 is contacted with the first support column 14, the first movable ring 18 and the pressing plate 19 keep stationary along with the continuous rotation of the gear ring 13, the second thread sleeve 17 moves towards a direction away from the first movable ring 18, the movable column 22 and the fixed disc 24 move relative to the first movable ring 18, the first compression spring 25 is in a compressed state, the first compression spring 25 applies pressure to the first ring 18 and the pressing plate 19 to enable the pressing plate 19 to press the first support column 14, and along with the continuous movement of the second thread sleeve 17, when the first compression spring 25 continuously moves the first compression spring 25 continuously presses the first movable ring 18 to the preset movable ring 18 and the pressing plate 19 to reach a plurality of preset values, the pressing force of the sub-die sleeve 3, the pressing plate 3 reaches a plurality of preset force values, and the pressing plate 3 is set to a plurality of pressing positions, and the sub-die sleeve 3 is set to a plurality of pressing force set to the position, and the movable die sleeve 3 is pressed to a position, and a position is pressed.
In the third embodiment, as shown in fig. 2, 4 and 6, the damping synchronization assembly includes a first connecting shaft 28 and a second connecting shaft 32 disposed on one side of the rotating shaft 10, one end of the first connecting shaft 28 is connected with the inner wall of the ring box 6 through a bearing, a second gear 29 is fixedly sleeved on the outer portion of the first connecting shaft 28, the second gear 29 is meshed with the gear ring 13, a first damping disk 30 is fixedly connected on the first connecting shaft 28, a second damping disk 31 is fixedly connected on the second connecting shaft 32, the second damping disk 31 is contacted with the first damping disk 30, a third supporting portion 33 is sleeved on the outer portion of the second connecting shaft 32, a bearing is disposed at the joint of the second connecting shaft 32 and the third supporting portion 33, the third supporting portion 33 is fixedly connected with the inner wall of the ring box 6, the second connecting shaft 32 is connected with the rotating shaft 10 through a meshing unit, the meshing unit includes a first bevel gear 34 fixedly mounted on the second connecting shaft 32, a second bevel gear 35 is fixedly sleeved on the outer portion of the rotating shaft 10, and the second bevel gear 35 is meshed with the first bevel gear 34;
when the gear ring 13 rotates, the gear ring 13 drives the first connecting shaft 28 and the first damping disk 30 to rotate through the second gear 29, the first damping disk 30 drives the second damping disk 31 to rotate through friction force, the second damping disk 31 drives the second connecting shaft 32 and the first bevel gear 34 to rotate, the first bevel gear 34 drives the rotating shaft 10 and the rotating plate 9 to rotate through the second bevel gear 35, the rotating plate 9 and the sub-die sleeve 3 stop rotating along with the rotation of the rotating plate 9 and the sub-die sleeve 3 when the rotating plate 9 contacts with the stop block 12, the second damping disk 31 keeps still along with the continuous rotation of the gear ring 13, the first damping disk 30 cannot drive the second damping disk 31 to rotate through friction force to ensure that a plurality of rotating plates 9 stop rotating to a preset position, and similarly, when the gear ring 13 reversely rotates, the rotating plate 9 and the sub-die sleeve 3 are combined into the die sleeve body 2, the second damping disk 31 and the second connecting shaft 32 stop rotating, and the first damping disk 30 cannot drive the plurality of sub-die sleeve 3 to a plurality of damping disks to stop rotating to an initial position through the friction force when the rotating along with the continuous rotation of the gear ring 13.
In the fourth embodiment, based on the first embodiment, as shown in fig. 1, fig. 2, fig. 4, fig. 5, fig. 7 and fig. 8, the pressing locking unit includes a plurality of fixing plates 36 fixedly installed on the forming tube 7, a first clamping groove 37 is formed on the fixing plates 36, a second movable ring 38 is arranged on one side of the annular box 6 near the die sleeve body 2, a plurality of fixing columns 39 are fixedly connected on the second movable ring 38, a clamping block 40 is fixedly connected on the fixing columns 39, the clamping block 40 is located in the corresponding first clamping groove 37, a groove 41 is formed on the fixing columns 39, a second supporting column 42 is arranged in the groove 41, the second supporting column 42 is fixedly connected with the annular box 6, the second supporting column 42 is connected with the inner wall of the groove 41 through a second compression spring 43, the fixed column 39 is fixedly connected with the magnet 44, the fixed plate 36 is fixedly connected with the iron plate 45, the iron plate 45 is in contact with the magnet 44, the dismounting piece comprises a limiting block 46 fixedly installed on the sub-die sleeve 3, the rotating plate 9 is provided with a through hole 47, the limiting block 46 is positioned in the through hole 47, the limiting block 46 is provided with a second clamping groove 48, the inner wall of the through hole 47 is provided with a sliding groove 49, a clamping plate 50 is arranged in the sliding groove 49, one end of the clamping plate 50 is connected with the inner wall of the sliding groove 49 through a third compression spring 51, the other end of the clamping plate 50 is positioned in the second clamping groove 48, the clamping plate 50 is provided with a pushing unit, the pushing unit comprises a pushing plate 53 fixedly installed on the clamping plate 50, the inner wall of the sliding groove 49 is provided with a rectangular hole 52, and the pushing plate 53 penetrates through the rectangular hole 52;
the initial state of the second compression spring 43 is in a compressed state, the second compression spring 43 applies pressure to the fixed column 39, the fixed column 39 applies pressure to the fixed plate 36 and the forming tube 7, so that the forming tube 7 is tightly attached to the sub-die sleeve 3, when a plurality of rotating plates 9 and the sub-die sleeve 3 rotate, and insulating coating materials on the inner wall of the sizing material channel 5 can be cleaned, the sub-die sleeve 3 does not press the fixed plate 36 and the forming tube 7 any more, the limitation on the position of the forming tube 7 is relieved, a worker drives the forming tube 7 and the fixed plate 36 to move relative to the fixed column 39, the iron plate 45 and the magnet 44 do not magnetically attract, the clamping block 40 is separated from the first clamping groove 37, the forming tube 7 can be removed, the forming tube 7 with different specifications can be replaced conveniently, the thickness of insulating coating materials coated on the wire core can be changed conveniently, and in the process of cleaning the insulating coating materials on the inner wall of the sizing material channel 5, when the sub-die sleeve 3 needs to be replaced, the worker drives the push plate 53 to move, one end of the clamping plate 50 is separated from the second clamping groove 48, the third compression spring 51 is in a compressed state, the limiting block 3 and the fixing sleeve 9 is removed relative to the rotating plates 9, the die sleeve 3 is removed, and the limiting block 9 can be removed relative to the die sleeve 3, and the die sleeve is removed conveniently.
Working principle: during operation, the wire core sequentially passes through the die core body 1, the die sleeve body 2, the forming tube 7 and the annular box 6, high-pressure molten external insulating coating material enters the sizing material channel 5 through the feeding tube 4, insulating coating material enters the forming tube 7, insulating coating material is coated outside the wire core, the wire core coated with insulating coating material is moved out through the forming tube 7, when the insulating coating material on the inner wall of the sizing material channel 5 needs to be cleaned, the gear ring 13 is driven to rotate through the driving structure, the gear ring 13 is released from the pressing positioning of the rotating plate 9 through the pressing positioning structure, when the pressing positioning of the rotating plate 9 is released, the gear ring 13 drives the rotating shaft 10 to rotate through the damping synchronous assembly, the rotating shaft 10 drives the rotating plate 9 and the sub-die sleeve 3 to rotate, finally the rotating plate 9 contacts one side of the stop block 12, the rotating plate 9 stops rotating, a plurality of sub-die sleeves 3 are uniformly distributed outside the annular box 6 circumferentially, so that the sizing material channel 5 is exposed outside, workers can conveniently clean the insulating coating material on the inner wall of the sizing material channel 5, after the inner wall of the sizing material channel 5 is completed, the gear ring 13 is driven to rotate reversely through the driving structure, the driving structure is used for releasing the pressing positioning of the rotating plate 9 through the pressing positioning assembly, the rotating plate 9 is continuously to rotate along with the pressing positioning assembly, the rotating plate 9 is continuously, and the rotating plate 3 is continuously pressed and the rotating to be positioned through the rotating plate 9 again through the pressing positioning assembly, and the rotating plate 9 is continuously;
the first gear 27 is driven to rotate by the motor 26, the first gear 27 drives the gear ring 13 to rotate, when the rotary plate 9 and the sub-die sleeve 3 rotate, the sub-die sleeve 3 is reset to the initial position again, the gear ring 13 drives the first thread sleeve 16 to rotate along with the continuous rotation of the gear ring 13, the first thread sleeve 16 drives the second thread sleeve 17 to move horizontally, the second thread sleeve 17 drives the movable column 22 and the fixed disc 24 to synchronously move horizontally, the fixed disc 24 drives the first movable ring 18, the second connecting plate 20 and the pressing plate 19 to move through the first compression spring 25, when the pressing plate 19 contacts with the first support column 14, the first movable ring 18 and the pressing plate 19 keep stationary along with the continuous rotation of the gear ring 13, the second thread sleeve 17 moves towards a direction away from the first movable ring 18, the movable column 22 and the fixed disc 24 move relative to the first movable ring 18, the first compression spring 25 is in a compressed state, the first compression spring 25 applies pressure to the first ring 18 and the pressing plate 19 so that the pressing plate 19 presses the first support column 14, and along with the continuous movement of the second thread sleeve 17, when the first compression spring 25 continuously moves the first compression spring 25 continuously presses the first movable ring 18 to the preset movable ring 18 to the first movable ring 19, the pressing plate 19 reaches a plurality of preset values, and the pressing plate 3, the pressing plate position of the sub-die sleeve 3 reaches a plurality of preset values, and the pressing plate 3, and the pressing plate position is set to a plurality of pressing plate 3, and a plurality of pressing values, and a pressing position is achieved;
when the gear ring 13 rotates, the gear ring 13 drives the first connecting shaft 28 and the first damping disc 30 to rotate through the second gear 29, the first damping disc 30 drives the second damping disc 31 to rotate through friction force, the second damping disc 31 drives the second connecting shaft 32 and the first bevel gear 34 to rotate, the first bevel gear 34 drives the rotating shaft 10 and the rotating plate 9 to rotate through the second bevel gear 35, the rotating plate 9 and the sub-die sleeve 3 stop rotating along with the rotation of the rotating plate 9 and the sub-die sleeve 3, the second damping disc 31 keeps still along with the continuous rotation of the gear ring 13, the first damping disc 30 cannot drive the second damping disc 31 to rotate through friction force, a plurality of rotating plates 9 are guaranteed to stop rotating after rotating to a preset position, and similarly, when the gear ring 13 reversely rotates, the rotating plate 9 and the sub-die sleeve 3 are combined into the die sleeve body 2, the second damping disc 31 and the second connecting shaft 32 stop rotating, and the first damping disc 30 cannot drive the sub-die sleeve 3 to a plurality of damping discs to stop rotating to an initial position through the second friction force after rotating to ensure that the sub-die sleeve 3 stops rotating to rotate to a plurality of the die sleeve 3 continuously rotates along with the rotation of the gear ring 13;
the initial state of the second compression spring 43 is in a compressed state, the second compression spring 43 applies pressure to the fixed column 39, the fixed column 39 applies pressure to the fixed plate 36 and the forming tube 7, so that the forming tube 7 is tightly attached to the sub-die sleeve 3, when a plurality of rotating plates 9 and the sub-die sleeve 3 rotate, and insulating coating materials on the inner wall of the sizing material channel 5 can be cleaned, the sub-die sleeve 3 does not press the fixed plate 36 and the forming tube 7 any more, the limitation on the position of the forming tube 7 is relieved, a worker drives the forming tube 7 and the fixed plate 36 to move relative to the fixed column 39, the iron plate 45 and the magnet 44 do not magnetically attract, the clamping block 40 is separated from the first clamping groove 37, the forming tube 7 can be removed, the forming tube 7 with different specifications can be replaced conveniently, the thickness of insulating coating materials coated on the wire core can be changed conveniently, and in the process of cleaning the insulating coating materials on the inner wall of the sizing material channel 5, when the sub-die sleeve 3 needs to be replaced, the worker drives the push plate 53 to move, one end of the clamping plate 50 is separated from the second clamping groove 48, the third compression spring 51 is in a compressed state, the limiting block 3 and the fixing sleeve 9 is removed relative to the rotating plates 9, the die sleeve 3 is removed, and the limiting block 9 can be removed relative to the die sleeve 3, and the die sleeve is removed conveniently.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (10)
1. The utility model provides a plastics extrusion die is used in production of mineral substance fireproof cable, includes mold core body (1), its characterized in that: one end of the mold core body (1) is sleeved with a mold sleeve body (2), one side of the mold sleeve body (2) away from the mold core body (1) is provided with an annular box (6), the mold sleeve body (2) comprises a plurality of sub-mold sleeves (3) which are uniformly distributed along the circumference, a sizing material channel (5) matched with the mold core body (1) is arranged on the sub-mold sleeves (3), a feeding pipe (4) is arranged on the sub-mold sleeves (3), one side of the annular box (6) close to the mold sleeve body (2) is provided with a forming tube (7) matched with the sizing material channel (5), one end of the forming tube (7) away from the annular box (6) is contacted with the sub-mold sleeves (3), the forming tube (7) is connected with the annular box (6) through a pressing locking unit, one side of the sub-mold sleeves (3) is provided with a rotating plate (9), the sub-mold sleeves (3) and the rotating plate (9) are connected through dismounting pieces, one end of the rotating plate (9) far away from the ion mold sleeve (3) is provided with a penetrating hole (8), one end of the rotating plate (9) is positioned in the annular box (6) and is fixedly connected with a rotating shaft (10) and is provided with a first bearing (11) which is fixedly connected with the rotating shaft (10), first supporting part (11) and inner wall fixed connection of annular case (6), fixedly connected with a plurality of and rotor plate (9) matched with stop block (12) on annular case (6), be equipped with ring gear (13) in annular case (6), the junction of ring gear (13) and annular case (6) is equipped with the bearing, be equipped with on annular case (6) with ring gear (13) matched with drive structure, pivot (10) and ring gear (13) are connected through damping synchronous subassembly, be equipped with on annular case (6) respectively with rotor plate (9) and ring gear (13) matched with press location structure.
2. The plastic extrusion die for producing mineral fireproof cables according to claim 1, wherein: the pressing and positioning structure comprises a first supporting column (14) arranged on one side of a rotating plate (9), the first supporting column (14) is connected with the rotating plate (9) through a first connecting plate (15), a first thread sleeve (16) is fixedly connected to a gear ring (13), a second thread sleeve (17) is arranged in the first thread sleeve (16), the second thread sleeve (17) and the first thread sleeve (16) are connected in a threaded mode, a first movable ring (18) is arranged on one side of the second thread sleeve (17), the second thread sleeve (17) and the first movable ring (18) are connected through an elastic device, a pressing plate (19) is arranged on one side of the first supporting column (14), the pressing plate (19) is connected with the first movable ring (18) through a second connecting plate (20), a fixed block (21) is sleeved outside the second connecting plate (20), and the fixed block (21) is fixedly connected with the inner wall of the annular box (6).
3. The plastic extrusion die for producing mineral fireproof cables according to claim 2, wherein: the elastic device comprises a plurality of second supporting parts (23) fixedly arranged on the second threaded sleeves (17), movable columns (22) are fixedly connected to the second supporting parts (23), the movable columns (22) penetrate through the first movable rings (18), one ends, far away from the second supporting parts (23), of the movable columns (22) are fixedly connected with fixed discs (24), first compression springs (25) are sleeved outside the movable columns (22), and two ends of each first compression spring (25) are fixedly connected with the fixed discs (24) and the first movable rings (18) respectively.
4. The plastic extrusion die for producing mineral fireproof cables according to claim 1, wherein: the driving structure comprises a motor (26) fixedly arranged on the annular box (6), the output end of the motor (26) is fixedly connected with a first gear (27) positioned in the annular box (6), and the first gear (27) is meshed with the gear ring (13).
5. The plastic extrusion die for producing mineral fireproof cables according to claim 1, wherein: the damping synchronization assembly comprises a first connecting shaft (28) and a second connecting shaft (32) which are arranged on one side of a rotating shaft (10), one end of the first connecting shaft (28) is connected with the inner wall of an annular box (6) through a bearing, a second gear (29) is fixedly sleeved on the outer portion of the first connecting shaft (28), the second gear (29) is meshed with a gear ring (13), a first damping disc (30) is fixedly connected to the first connecting shaft (28), a second damping disc (31) is fixedly connected to the second connecting shaft (32), the second damping disc (31) is in contact with the first damping disc (30), a third supporting portion (33) is sleeved on the outer portion of the second connecting shaft (32), a bearing is arranged at the connecting position of the second connecting shaft (32) and the third supporting portion (33), the third supporting portion (33) is fixedly connected with the inner wall of the annular box (6), and the second connecting shaft (32) is connected with the rotating shaft (10) through a meshing unit.
6. The plastic extrusion die for producing mineral fireproof cables according to claim 5, wherein: the meshing unit comprises a first bevel gear (34) fixedly arranged on a second connecting shaft (32), a second bevel gear (35) is fixedly sleeved outside the rotating shaft (10), and the second bevel gear (35) is meshed with the first bevel gear (34).
7. The plastic extrusion die for producing mineral fireproof cables according to claim 1, wherein: the pressing locking unit comprises a plurality of fixed plates (36) fixedly mounted on a forming tube (7), first clamping grooves (37) are formed in the fixed plates (36), a second movable ring (38) is arranged on one side, close to a die sleeve body (2), of the annular box (6), a plurality of fixed columns (39) are fixedly connected to the second movable ring (38), clamping blocks (40) are fixedly connected to the fixed columns (39), the clamping blocks (40) are located in the corresponding first clamping grooves (37), grooves (41) are formed in the fixed columns (39), second supporting columns (42) are arranged in the grooves (41), the second supporting columns (42) are fixedly connected with the annular box (6), and the inner walls of the second supporting columns (42) and the grooves (41) are connected through second compression springs (43).
8. The plastic extrusion die for producing mineral fireproof cables according to claim 7, wherein: the fixing column (39) is fixedly connected with a magnet (44), the fixing plate (36) is fixedly connected with an iron plate (45), and the iron plate (45) is contacted with the magnet (44).
9. The plastic extrusion die for producing mineral fireproof cables according to claim 1, wherein: the dismounting piece comprises a limiting block (46) fixedly mounted on the sub-die sleeve (3), a through hole (47) is formed in the rotating plate (9), the limiting block (46) is located in the through hole (47), a second clamping groove (48) is formed in the limiting block (46), a sliding groove (49) is formed in the inner wall of the through hole (47), a clamping plate (50) is arranged in the sliding groove (49), one end of the clamping plate (50) is connected with the inner wall of the sliding groove (49) through a third compression spring (51), and the other end of the clamping plate (50) is located in the second clamping groove (48), and a pushing unit is arranged on the clamping plate (50).
10. The plastic extrusion die for producing mineral fireproof cables according to claim 9, wherein: the pushing unit comprises a pushing plate (53) fixedly arranged on the clamping plate (50), a rectangular hole (52) is formed in the inner wall of the sliding groove (49), and the pushing plate (53) penetrates through the rectangular hole (52).
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| Application Number | Priority Date | Filing Date | Title |
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| CN202311641227.XA CN117341175B (en) | 2023-12-04 | 2023-12-04 | Plastic extrusion die for mineral fireproof cable production |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311641227.XA CN117341175B (en) | 2023-12-04 | 2023-12-04 | Plastic extrusion die for mineral fireproof cable production |
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| CN117341175A CN117341175A (en) | 2024-01-05 |
| CN117341175B true CN117341175B (en) | 2024-02-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202311641227.XA Active CN117341175B (en) | 2023-12-04 | 2023-12-04 | Plastic extrusion die for mineral fireproof cable production |
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| CN218749154U (en) * | 2022-11-21 | 2023-03-28 | 佛山市顺德区广意通讯电缆有限公司 | Extrusion die for high-temperature-resistant sheath |
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| US8000572B2 (en) * | 2005-05-16 | 2011-08-16 | Schlumberger Technology Corporation | Methods of manufacturing composite slickline cables |
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| EP0340489A2 (en) * | 1988-05-06 | 1989-11-08 | Negri Bossi S.P.A. | Improvements in injection moulding presses, particularly for plastics materials |
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|---|---|
| CN117341175A (en) | 2024-01-05 |
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