CN110624955A - Pyramid shaft type coiler mandrel with mechanical jaw - Google Patents
Pyramid shaft type coiler mandrel with mechanical jaw Download PDFInfo
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- CN110624955A CN110624955A CN201910976408.5A CN201910976408A CN110624955A CN 110624955 A CN110624955 A CN 110624955A CN 201910976408 A CN201910976408 A CN 201910976408A CN 110624955 A CN110624955 A CN 110624955A
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- jaw
- pyramid
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- plate
- axial
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B15/00—Arrangements for performing additional metal-working operations specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C47/00—Winding-up, coiling or winding-off metal wire, metal band or other flexible metal material characterised by features relevant to metal processing only
- B21C47/02—Winding-up or coiling
- B21C47/04—Winding-up or coiling on or in reels or drums, without using a moving guide
- B21C47/06—Winding-up or coiling on or in reels or drums, without using a moving guide with loaded rollers, bolts, or equivalent means holding the material on the reel or drum
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C47/00—Winding-up, coiling or winding-off metal wire, metal band or other flexible metal material characterised by features relevant to metal processing only
- B21C47/24—Transferring coils to or from winding apparatus or to or from operative position therein; Preventing uncoiling during transfer
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C47/00—Winding-up, coiling or winding-off metal wire, metal band or other flexible metal material characterised by features relevant to metal processing only
- B21C47/28—Drums or other coil-holders
- B21C47/30—Drums or other coil-holders expansible or contractible
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B13/00—Details of servomotor systems ; Valves for servomotor systems
- F15B13/02—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16N—LUBRICATING
- F16N21/00—Conduits; Junctions; Fittings for lubrication apertures
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B15/00—Arrangements for performing additional metal-working operations specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills
- B21B2015/0057—Coiling the rolled product
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Winding, Rewinding, Material Storage Devices (AREA)
- Winding Of Webs (AREA)
Abstract
The invention discloses a pyramid shaft type coiler mandrel with a mechanical jaw, which comprises a pyramid main shaft, three sector plates, a jaw sector plate, a spline sleeve, a bearing assembly, an axial wedge and a mechanical jaw assembly, wherein the mechanical jaw assembly comprises a jaw plate I, a jaw plate II, a jaw plate III, a plurality of springs and a plurality of waist-shaped jacking blocks; the axial wedge is arranged in an axial through hole in the center of the pyramid main shaft; the outer circular surface of the jaw sector plate is provided with a groove in an axial through mode, the mechanical jaw assembly is arranged in the groove, the jaw plate I and the jaw plate II are fixed on the jaw sector plate, the jaw plate III is arranged between the jaw plate I and the jaw plate II, the spring is arranged in a radial blind hole of the jaw sector plate, and the waist-shaped top block is arranged in a waist-shaped groove of the axial wedge, the pyramid spindle and the jaw sector plate; the waist-shaped top block and the spring do not interfere. The invention not only inherits the larger coiling tension of the pyramid shaft type winding drum, but also avoids the problems of high cost, easy leakage and the like of the hydraulic jaw.
Description
Technical Field
The invention relates to coiling equipment of metallurgical machinery, in particular to a coiling block of a coiler.
Background
The cold rolling coiler is auxiliary equipment of a steel rolling workshop for coiling cold rolled steel into a reel shape, and is arranged behind a finished product stand on a cold strip steel continuous rolling mill; the single-stand reversible cold-strip rolling mill is arranged in front of and behind the rolling mill. In addition, it is also installed in various finishing units such as continuous pickling line, slitting, annealing, coating, etc.
The prior pyramid spindle coiler mandrel has the following disadvantages as shown in fig. 5: firstly, keep silent for hydraulic pressure keep silent, its specific structure is: a plurality of jaw hydraulic cylinders 32 are arranged in the jaw sector plate 31 to push the jaw plate 33 to move outwards, and complicated oil paths need to be configured, so that the hydraulic system is high in cost and high in processing and manufacturing difficulty, and once the hydraulic system leaks, the surface of strip steel and the workshop environment are polluted, and production is influenced; secondly, in order to reduce the spare parts of the winding drum, a steel mill requires that one winding drum can realize the winding in two directions, and because the winding direction is determined by three jaw plates in the prior art, and the three jaw plates cannot realize the position adjustment and can only realize the winding in one direction, the common solution is to add the jaw sector plate spare parts, and can realize the reversing function of the winding drum after replacing the jaw sector plate spare parts, however, the excircle processing of the sector plate generally adopts a combined vehicle process, and a single jaw sector plate is difficult to process; the cold rolling of the winding drum generally adopts point lubrication, the manual timing oil filling of designated lubricating points of the winding drum is needed, the cold rolling needs to be carried out when the winding drum is stopped, the efficiency is low, and some lubricating points are easy to leak; and fourthly, the bearing assembly 34 is connected with the pyramid shaft 35 and moves left and right along with the pyramid shaft, and when the coiler mandrel works, the external support supports the bearing assembly, so that the bearing assembly and the mandrel can only be in line contact, the stress condition is poor, and the mandrel is difficult to bear larger tension.
Disclosure of Invention
The invention aims to solve the problem of providing a pyramid shaft type coiler mandrel with a mechanical jaw, which inherits the larger coiling tension of the pyramid shaft type coiler mandrel and avoids the problems of high cost, easy leakage and the like of a hydraulic jaw. Meanwhile, the coiling in two directions can be realized by adjusting the positions of the internal parts of the mechanical jaw, and the jaw sector plate does not need to be separately processed, so that the production cost is greatly reduced. In addition, it has realized the self-lubricate function to the reel, has improved work efficiency. Here, the reel can also be subjected to a large tension.
The invention relates to a pyramid shaft type coiler mandrel with a mechanical jaw, which comprises a pyramid main shaft, three sector plates, a jaw sector plate, a spline sleeve and a bearing assembly, wherein the sector plates and the jaw sector plate are arranged outside the pyramid main shaft; the axial wedge is arranged in an axial through hole in the center of the pyramid main shaft, and the cylindrical surface of the axial wedge is matched with the axial through hole; the outer circle surface of the jaw sector plate is provided with a groove in an axial through mode, the mechanical jaw assembly is arranged in the groove, the jaw plate I and the jaw plate II are fixed on the jaw sector plate, the jaw plate III is arranged between the jaw plate I and the jaw plate II, the spring is arranged in a radial blind hole of the jaw sector plate, the top surface of the spring is in contact with the lower plane of the jaw plate III, the waist-shaped top block is arranged in a waist-shaped groove of the axial wedge, the pyramid spindle and the jaw sector plate, the bottom surface of the waist-shaped top block is in contact with the inclined bottom surface of the waist-shaped groove of the axial wedge, and the top surface of the waist-shaped top block is in contact with the lower plane of; the waist-shaped top block and the spring do not interfere.
Furthermore, the groove is a stepped groove with deep middle and shallow two sides, the jaw plate III is arranged in the deep groove, the jaw plate I and the jaw plate II are respectively arranged in the shallow grooves on the two sides and are fixed on the fan-shaped plate through screws, the edges of the jaw plate I corresponding to the jaw plate III are inclined edges, the inclined edges are wave-shaped, the edges of the jaw plate II corresponding to the jaw plate III are straight edges, and the two straight edges are in contact with each other.
Furthermore, the positions of screw holes on the jaw plate I and the jaw plate II are the same, and the sizes of the screw holes are the same.
Furthermore, a plurality of large waist-shaped grooves with inclined bottom surfaces are arranged on the cylindrical surface of the axial wedge, a middle waist-shaped groove which is through up and down is arranged at the position of the pyramid main shaft corresponding to the large waist-shaped groove, a small waist-shaped groove which is through up and down is arranged at the position of the jaw sector plate corresponding to the middle waist-shaped groove, the waist-shaped jacking block is positioned in the three waist-shaped grooves, the lower part of the waist-shaped jacking block is positioned in the large waist-shaped groove, the bottom surface of the waist-shaped groove is contacted with the inclined bottom surface of the large waist-shaped groove, the middle part of the waist-shaped groove is positioned in the middle waist-shaped groove, the upper.
Furthermore, a small key groove is formed in the inclined surface of the pyramid main shaft, a large key groove is formed in the inclined surfaces of the sector plate and the jaw sector plate, the small key groove and the large key groove form a T-shaped key groove, and the T-shaped key is arranged in the T-shaped key groove and fastened on the pyramid main shaft through screws.
Furthermore, the pyramid shaft type coiler mandrel further comprises a hydraulic system, the hydraulic system comprises a rotary hydraulic cylinder, a hydraulic rotary joint, a dry oil rotary joint and a pull rod, the rotary hydraulic cylinder is arranged on the transmission right side of the pyramid main shaft and comprises a cylinder body, a piston I, a piston II and a plurality of lubricating oil pipes; the right end of the cylinder body is connected with a hydraulic rotary joint dry oil rotary joint, the piston I is connected with the pyramid main shaft through threads, the pull rod is arranged in the axial through hole, the left end of the pull rod is connected with the axial wedge, and the right end of the pull rod is matched with an inner hole of the piston II.
Furthermore, the hydraulic system also comprises an oil way arranged in the pyramid main shaft and an oil way arranged in the axial wedge; the oil way in the pyramid main shaft 1 comprises a plurality of axial oil holes, a plurality of radial oil holes I, a radial oil hole II, a radial oil hole III and a radial oil hole IV, the axial oil holes are communicated along the axial direction of the pyramid main shaft 1, the outer end of the radial oil hole I is opened on the inclined plane of the pyramid main shaft 1, and the inner end of the radial oil hole I is communicated with the axial oil holes; the outer end of the radial oil hole II is communicated with the axial oil hole, and the inner end of the radial oil hole II is opened in the axial through hole; the outer end of the radial oil hole III is opened on the surface of a bearing inner ring in the bearing assembly, the inner end of the radial oil hole III is communicated with the axial oil hole, the outer end of the radial oil hole IV is opened on the outer circular surface of the pyramid main shaft, which is contacted with the spline housing, and the inner end of the radial oil hole IV is opened on the axial oil hole; the oil path in the axial wedge comprises an axial oil groove and a radial oil hole V; the axial oil groove is arranged on the outer circular surface of the axial wedge and is communicated with the radial oil hole II; one end of the radial oil hole V is opened on the inclined bottom surface of the kidney-shaped groove, and the other end of the radial oil hole V is communicated with the axial oil groove.
Further, the pyramid shaft type coiler drum further comprises an extension shaft, and the bearing assembly and the extension shaft form a head support assembly; the inner hole of the extension shaft is sleeved on the pyramid main shaft, the end face of the extension shaft is connected to the end face of the sector plate through a bolt, and the bearing assembly is fixed on the extension shaft.
The invention has the beneficial effects that: the jaw is a mechanical jaw, a jaw hydraulic cylinder and a complex oil circuit are not needed to be configured, and the jaw plate III can move outwards to press the strip head, so that the strip steel can be coiled. Therefore, the invention has low production cost and convenient processing, simultaneously avoids the leakage of a hydraulic system to the surface of the strip steel and the workshop environment, and ensures the production efficiency. Therefore, the invention has the advantages of large tension of the pyramid shaft type winding drum and no oil leakage of the mechanical jaw. The mechanical jaw assembly can realize the jaw reversing function through the exchanging installation of the jaw plate I and the jaw plate II and the turning installation of the jaw plate III, no redundant spare parts are needed, and the cost is saved; by arranging a hydraulic system and a related oil way, the automatic lubrication function is realized in the winding drum, the link of manually filling lubricating oil is omitted, and the efficiency is improved; and fourthly, the external support and the support bearing assembly are in surface contact, the stress condition is good, and the winding drum can bear larger tension.
Drawings
FIG. 1 is a front view of a pyramid spool coiler drum with mechanical jaws according to the present invention;
FIG. 2 is an enlarged schematic view of a portion of FIG. 1 above line K-K;
FIG. 3 is an enlarged schematic view of the portion of FIG. 1 below line K-K;
FIG. 4 is a cross-sectional view taken along line A-A of FIG. 1;
FIG. 5 is a front view of a prior art pyramidal spool coiler drum;
in the figure: 1. a pyramid main shaft; 2. a sector plate; 3. a jaw sector plate; 4. a T-shaped bond; 5. a T-shaped key slot; 6. a groove; 7. a rotary hydraulic cylinder; 8. an axial oil hole; 9. a radial oil hole I; 10. an axial through hole; 11. a waist-shaped groove; 12. a jaw plate I; 13. a jaw plate II; 14. a jaw plate III; 15. a spring; 16. a waist-shaped top block; 17. an axial wedge; 18. a bearing assembly; 19. an extension shaft; 20. a radial oil hole II; 21. an axial oil groove; 22, a radial oil hole V; 23. a radial oil hole III; 24. a radial oil hole IV; 25. a spline housing; 7.1, a piston I; 7.2, piston II; 7.3, lubricating oil pipes; 7.4, a hydraulic rotary joint; 7.5, a dry oil rotary joint; 7.6, a pull rod; 7.7, cylinder body.
Detailed Description
The technical solution of the present invention will be apparent from and fully described in the following detailed description of the preferred embodiments with reference to the accompanying drawings. It should be apparent that the described embodiments are only a few embodiments of the invention, and not all embodiments. All other embodiments, which can be obtained by a person skilled in the art without inventive effort based on the embodiments of the present invention, belong to the scope of protection of the present invention.
Example 1
As shown in fig. 1, 2, 3, 4, the invention relates to a pyramid shaft type coiler mandrel with a mechanical jaw, which comprises a pyramid spindle 1, three sector plates 2, a jaw sector plate 3, a spline sleeve 25, and a bearing assembly 18, wherein the sector plates 2 and the jaw sector plate 3 are arranged outside the pyramid spindle 1, the sector plates 2 and the jaw sector plate 3 are all contacted through a plurality of sections of inclined surfaces, the spline sleeve 25 is sleeved on the outer circular surface of the pyramid spindle 1, the bearing assembly 18 is arranged at the end of an expansion and contraction end, the invention further comprises an axial wedge 17 and a mechanical jaw assembly, and the mechanical jaw assembly comprises a jaw plate i 12, a jaw plate ii 13, a jaw plate iii 14, a plurality of springs 15, and a plurality of waist-shaped jacking blocks 16; the axial wedge 17 is arranged in the axial through hole 10 at the center of the pyramid spindle 1, and the cylindrical surface of the axial wedge is matched with the axial through hole 10; the outer circular surface of the jaw sector plate 3 is provided with a groove 6 in a through mode along the axial direction, the mechanical jaw assembly is arranged in the groove 6, a jaw plate I12 and a jaw plate II 13 are fixed on the jaw sector plate 3, a jaw plate III 14 is arranged between the jaw plate I12 and the jaw plate II 13, a spring 15 is arranged in a radial blind hole of the jaw sector plate 3, the top surface of the spring is contacted with the lower plane of the jaw plate III 14, a waist-shaped top block 16 is arranged in waist-shaped grooves of the axial wedge 17, the pyramid spindle 1 and the jaw sector plate 3, the bottom surface of the waist-shaped groove is contacted with the inclined bottom surface of the waist-shaped groove of the axial wedge 17, and the top surface of the waist-shaped top block is contacted with the lower plane of the jaw plate; the kidney shaped top piece 16 and the spring 15 do not interfere.
Before coiling the strip steel, the coiling drum is in a reducing state, and the jaw is in an opening state. When steel is required to be coiled, firstly, the pyramid spindle 1 moves rightwards along the axial direction, the pyramid spindle 1 pushes the three sector plates 2 and the jaw sector plate 3 to move radially outwards through the inclined plane of the pyramid spindle 1, the winding drum gradually expands to a diameter expansion state, the tape head is inserted into the jaw at the moment, then, the axial wedge 17 moves rightwards along the axial direction, the axial wedge 17 pushes the waist-shaped top block 16 through the inclined bottom surface of the axial wedge to overcome the tensile force of the spring 15 to work the jaw plate III 14, the jaw plate III 14 moves radially outwards until the tape head is pressed, and then, the winding drum rotates to reel strip steel into a coil. When the coil is unloaded, the axial wedge 17 moves leftwards along the axial direction, the waist-shaped top block 16 and the jaw plate III move radially inwards until returning to the lowest position, the jaw is opened under the action of the tension of the spring 15, then the pyramid spindle 1 moves leftwards along the axial direction, the three sector plates 2 and the jaw sector plate 3 move radially inwards to enable the coil to gradually reach a diameter reducing state, and then the coil unloading is started.
The jaw of the invention is a mechanical jaw, and the jaw plate III 14 can move outwards to press the strip head without arranging a jaw hydraulic cylinder and a fussy oil circuit, thereby realizing the coiling of the strip steel. Therefore, the invention has low production cost and convenient processing, simultaneously avoids the leakage of a hydraulic system to the surface of the strip steel and the workshop environment, and ensures the production efficiency. Therefore, the invention has the advantages of large tension of the pyramid shaft type winding drum and no oil leakage of the mechanical jaw.
Example 2
As shown in fig. 4, in the pyramid-spindle coiler drum of the present invention: the groove 6 is a stepped groove with deep middle and shallow two sides, wherein the jaw plate III 14 is arranged in the deep groove, the jaw plate I12 and the jaw plate II 13 are respectively arranged in the shallow grooves on the two sides and are fixed on the fan-shaped plate 3 through screws, the edges of the jaw plate I12 corresponding to the jaw plate III 14 are oblique edges, the oblique edges are wave-shaped, the edges of the jaw plate II 13 corresponding to the jaw plate III 14 are straight edges, and the two straight edges are in contact with each other.
After the belt head is inserted into the jaw, the axial wedge 17 pushes the waist-shaped jacking block 16 through the inclined bottom surface of the wedge, so that the jaw plate III 14 makes outward radial movement, and the jaw plate III 14 moves upward along the straight edge of the jaw plate II 13 until the two inclined edges of the jaw plate III 14 and the jaw plate I12 compress the belt head.
As an improvement mode, screw holes on the jaw plate I12 and the jaw plate II 13 are identical in position and size.
As shown in figure 4, the coiling direction is anticlockwise, when the coiling direction needs to be changed into clockwise, only the jaw plate I12 and the jaw plate II 13 need to be exchanged and installed, the jaw plate III 14 can be turned around and installed, the jaw reversing function can be realized, the coiling direction is clockwise, redundant spare parts are not needed, and the cost is saved.
Example 3
As shown in fig. 1 and 3, the pyramid-shaft type coiler mandrel of the present invention comprises: the cylindrical surface of the axial wedge 17 is provided with a plurality of large waist-shaped grooves 11 with inclined bottom surfaces, the positions of the pyramid main shaft 1 corresponding to the large waist-shaped grooves 11 are provided with vertically through middle waist-shaped grooves, the positions of the jaw sector plates 3 corresponding to the middle waist-shaped grooves are provided with vertically through small waist-shaped grooves, the waist-shaped top blocks 16 are positioned in the three waist-shaped grooves, the lower parts of the waist-shaped top blocks are placed in the large waist-shaped grooves 11, the bottom surfaces of the waist-shaped top blocks are contacted with the inclined bottom surfaces of the large waist-shaped grooves 11, the middle parts of the waist-shaped top blocks are placed in the middle waist-shaped grooves, the upper parts of the waist-shaped top.
The waist-shaped top block 16 is arranged in the waist-shaped groove, and the upper plane of the waist-shaped top block is preferably flush with the bottom surface of the deep groove before the strip steel is coiled by the winding drum, so that when the strip head needs to be pressed, the waist-shaped top block moves upwards, and the jaw plate III 14 can be used for pressing the strip head in the shortest time.
Example 4
As shown in fig. 4, in the pyramid-spindle coiler drum of the present invention: the inclined plane of the pyramid main shaft 1 is provided with a small key groove, the inclined planes of the sector plate 2 and the jaw sector plate 3 are provided with a large key groove, the small key groove and the large key groove form a T-shaped key groove 5, and the T-shaped key 4 is arranged in the T-shaped key groove 5 and fastened on the pyramid main shaft 1 through screws.
The pyramid spindle 1 pushes the three sector plates 2 and the jaw sector plate 3 to move radially outwards through the inclined plane of the pyramid spindle, and the pyramid spindle 1 hooks the three sector plates 2 and the jaw sector plate 3 to move radially inwards through the T-shaped key 4 on the inclined plane of the pyramid spindle.
Example 5
As shown in fig. 1, fig. 2 and fig. 3, the pyramid shaft type coiler mandrel further comprises a hydraulic system, the hydraulic system comprises a rotary hydraulic cylinder 7, a hydraulic rotary joint 7.4, a dry oil rotary joint 7.5 and a pull rod 7.6 which are arranged on the transmission right side of the pyramid spindle 1, and the rotary hydraulic cylinder 7 comprises a cylinder body 7.7, a piston I7.1, a piston II 7.2 and a plurality of lubricating oil pipes 7.3; the right end of the cylinder body 7.7 is connected with a hydraulic rotary joint 7.4 and a dry oil rotary joint 7.5, the piston I7.1 is connected with the pyramid main shaft 1 through threads, the pull rod 7.6 is arranged in the axial through hole 10, the left end of the pull rod is connected with the axial wedge 17, and the right end of the pull rod is matched with an inner hole of the piston II 7.2.
The working principle of the winding drum of the pyramid shaft type coiler is as follows: before coiling the strip steel, the coiling drum is in a reducing state, and the jaw is in an opening state. When steel is required to be rolled, firstly, hydraulic oil enters the left side of a piston I7.1 through a hydraulic rotary joint 7.4 to pull a pyramid spindle 1 to move rightwards along the axial direction, the pyramid spindle 1 pushes three sector plates 2 and a jaw sector plate 3 to move radially outwards through an inclined plane of the pyramid spindle, and a winding drum is gradually expanded to an expansion state; at the moment, the tape head is inserted into a jaw, then hydraulic oil enters the left side of a piston II 7.2 through a hydraulic rotary joint 7.4 to pull a pull rod 7.6 and an axial wedge 17 to move rightwards along the axial direction, the axial wedge 17 pushes a waist-shaped jacking block 16 through the inclined bottom surface of the axial wedge to overcome the pulling force of a spring 15 to apply work to a jaw plate III 14, the jaw plate III 14 makes outward radial movement until the tape head is pressed, and then a winding drum makes rotary movement to wind the strip steel into a coil. During coil stripping, hydraulic oil is reversed, the pull rod 7.6 and the axial wedge 17 are pushed to move leftwards along the axial direction, the waist-shaped top block 16 and the jaw plate III move inwards in the radial direction until the waist-shaped top block returns to the lowest position, simultaneously, the jaws are opened under the action of the pulling force of the spring 15, then the piston I7.1 pushes the pyramid spindle 1 to move leftwards along the axial direction under the pressure of the hydraulic oil, the pyramid spindle 1 hooks the three sector plates 2 and the jaw sector plate 3 through the T-shaped key 4 on the inclined surface of the pyramid spindle 1 to move inwards in the radial direction, so that the reel gradually reaches a diameter reduction state, and then coil stripping is started.
Example 6
As shown in fig. 1, 2 and 3, the hydraulic system of the pyramid shaft type coiler mandrel of the present invention further comprises an oil path arranged in the pyramid main shaft 1 and an oil path arranged in the axial wedge 17; the oil path in the pyramid spindle 1 comprises a plurality of axial oil holes 8, a plurality of radial oil holes I9, a radial oil hole II 20, a radial oil hole III 23 and a radial oil hole IV 24, wherein the axial oil holes 8 are communicated along the axial direction of the pyramid spindle 1, the outer end of the radial oil hole I9 is opened on the inclined plane of the pyramid spindle 1, and the inner end of the radial oil hole I9 is communicated with the axial oil holes 8; the outer end of the radial oil hole II 20 is communicated with the axial oil hole 8, and the inner end of the radial oil hole II is opened in the axial through hole 10; the outer end of the radial oil hole III 23 is opened on the surface of a bearing inner ring in the bearing assembly 18, the inner end of the radial oil hole III is communicated with the axial oil hole 8, the outer end of the radial oil hole IV 24 is opened on the outer circular surface of the pyramid main shaft 1, which is contacted with the spline housing 25, and the inner end of the radial oil hole IV is opened on the axial oil hole 8; the oil path in the axial wedge 17 comprises an axial oil groove 21 and a radial oil hole V22; the axial oil groove 21 is arranged on the outer circular surface of the axial wedge 17 and is communicated with the radial oil hole II 20; one end of the radial oil hole V22 is opened on the inclined bottom surface of the kidney groove 11, and the other end is communicated with the axial oil groove 21.
When the winding drum runs, lubricating dry oil is pumped into the winding drum through a dry oil rotary joint 7.5, enters an axial oil hole 8 of the pyramid spindle 1 through a lubricating oil pipe 7.3, and then reaches each sliding surface through each oil hole for lubrication, and a specific lubricating oil way is as follows: the sliding inclined plane of the fan-shaped plate 2, the jaw fan-shaped plate 3 and the pyramid spindle 1 which are contacted with each other is lubricated through a radial oil hole I9, a bearing in a bearing assembly 18 is lubricated through a radial oil hole III 23, the sliding surface of a spline housing and the pyramid spindle 1 which are contacted with each other is lubricated through a radial oil hole IV 24, the sliding surface of an axial through hole 10 and the outer circle of a transverse wedge 17 which are contacted with each other is lubricated through a radial oil hole II 20, and the sliding inclined plane of the waist-shaped groove 11, which is contacted with the waist-shaped top block 16, is lubricated through an axial oil groove 21 and.
According to the invention, by arranging the hydraulic system, the automatic lubricating function is realized inside the winding drum, the link of manually filling lubricating oil is omitted, and the efficiency is improved.
Example 7
As shown in fig. 1 and 3, the pyramid-shaft type coiler drum of the present invention further comprises an extension shaft 19, and the bearing assembly 18 and the extension shaft 19 constitute a head support assembly; an inner hole of the extension shaft 19 is sleeved on the pyramid main shaft 1, the end face of the extension shaft 19 is connected with the end face of the sector plate 2 through a bolt, and the bearing assembly 18 is fixed on the extension shaft 19.
The invention connects the bearing assembly 18 with the extension shaft 19 by adding the extension shaft 19, the extension shaft is axially positioned, so no matter the reel makes expansion or contraction movement, the head support assembly is static relative to the ground, namely the bearing assembly can not move left and right.
The present invention is not limited to the above embodiments, and any modifications, equivalent replacements, improvements, etc. within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (8)
1. The utility model provides a take shaft-type coiler mandrel of pyramid of mechanical jaw, it includes pyramid main shaft (1), three sector plates (2), a jaw sector plate (3), spline housing (25), bearing assembly (18), the outside of pyramid main shaft (1) is provided with sector plate (2), jaw sector plate (3), pyramid main shaft (1) and sector plate (2), jaw sector plate (3) all contact through a plurality of sections inclined planes, spline housing (25) cover is on the outer disc of pyramid main shaft (1), bearing assembly (18) set up at the breathing side end, characterized by: the mechanical jaw assembly comprises a jaw plate I (12), a jaw plate II (13), a jaw plate III (14), a plurality of springs (15) and a plurality of waist-shaped jacking blocks (16); the axial wedge (17) is arranged in an axial through hole (10) in the center of the pyramid main shaft (1), and the cylindrical surface of the axial wedge is matched with the axial through hole (10); a groove (6) is axially arranged on the outer circular surface of the jaw sector plate (3) in a through mode, the mechanical jaw assembly is arranged in the groove (6), the jaw plate I (12) and the jaw plate II (13) are fixed on the jaw sector plate (3), the jaw plate III (14) is arranged between the jaw plate I (12) and the jaw plate II (13), the spring (15) is arranged in a radial blind hole of the jaw sector plate (3), the top surface of the spring is in contact with the lower plane of the jaw plate III (14), the waist-shaped jacking block (16) is arranged in waist-shaped grooves of the axial wedge (17), the pyramid spindle (1) and the jaw sector plate (3), the bottom surface of the waist-shaped jacking block is in contact with the inclined bottom surface of the waist-shaped groove of the axial wedge (17), the top surface of the waist-shaped jacking block is in contact with the lower plane of the jaw plate III (14), and the waist-shaped jacking block (16) is not in interference with the spring (.
2. The pyramid-spindle coiler drum according to claim 1, wherein: the groove (6) is a stepped groove with deep middle and shallow two sides, the jaw plate III (14) is arranged in the deep groove, the jaw plate I (12) and the jaw plate II (13) are respectively arranged in the shallow grooves on the two sides and are fixed on the sector plate (3) through screws, the edges of the jaw plate I (12) corresponding to the jaw plate III (14) are bevel edges, the bevel edges are wave-shaped, the edges of the jaw plate II (13) corresponding to the jaw plate III (14) are straight edges, and the two straight edges are in contact with each other.
3. The pyramid-spindle coiler drum according to claim 2, wherein: the positions of screw holes on the jaw plate I (12) and the jaw plate II (13) are the same, and the screw holes are the same in size.
4. The pyramid-spindle coiler drum according to claim 1, wherein: the cylindrical surface of the axial wedge (17) is provided with a plurality of large waist-shaped grooves (11) with the bottom surfaces being inclined planes, the positions of the pyramid main shaft (1) corresponding to the large waist-shaped grooves (11) are provided with vertically through middle waist-shaped grooves, the positions of the jaw sector plates (3) corresponding to the middle waist-shaped grooves are provided with vertically through small waist-shaped grooves, waist-shaped top blocks (16) are positioned in the three waist-shaped grooves, the lower parts of the waist-shaped top blocks are positioned in the large waist-shaped grooves (11), the bottom surfaces of the jaw sector plates are contacted with the inclined bottom surfaces of the large waist-shaped grooves (11), the middle parts of the jaw sector plates are positioned in the middle waist-shaped grooves, the upper parts of the jaw sector plates are positioned in the small waist.
5. The pyramid-spindle coiler drum according to claim 1, wherein: a small key groove is formed in the inclined surface of the pyramid main shaft (1), a large key groove is formed in the inclined surfaces of the sector plate (2) and the jaw sector plate (3), a T-shaped key groove (5) is formed by the small key groove and the large key groove, and the T-shaped key (4) is arranged in the T-shaped key groove (5) and fastened on the pyramid main shaft (1) through screws.
6. The pyramid-spindle coiler drum according to claim 1, wherein: the pyramid shaft type coiler mandrel further comprises a hydraulic system, the hydraulic system comprises a rotary hydraulic cylinder (7) arranged on the transmission right side of the pyramid main shaft (1), a hydraulic rotary joint (7.4), a dry oil rotary joint (7.5) and a pull rod (7.6), and the rotary hydraulic cylinder (7) comprises a cylinder body (7.7), a piston I (7.1), a piston II (7.2) and a plurality of lubricating oil pipes (7.3); the right end of a cylinder body (7.7) is connected with a hydraulic rotary joint (7.4) and a dry oil rotary joint (7.5), a piston I (7.1) is connected with a pyramid main shaft (1) through threads, a pull rod (7.6) is arranged in an axial through hole (10), the left end of the pull rod is connected with an axial wedge (17), and the right end of the pull rod is matched with an inner hole of a piston II (7.2).
7. The pyramid-spindle coiler drum according to claim 6, wherein: the hydraulic system also comprises an oil way arranged in the pyramid main shaft (1) and an oil way in the axial wedge (17); the oil way in the pyramid main shaft (1) comprises a plurality of axial oil holes (8), a plurality of radial oil holes I (9), a radial oil hole II (20), a radial oil hole III (23) and a radial oil hole IV (24), wherein the axial oil holes (8) are communicated along the axial direction of the pyramid main shaft (1), the outer end of each radial oil hole I (9) is opened on the inclined plane of the pyramid main shaft (1), and the inner end of each radial oil hole I (9) is communicated with the axial oil hole (8); the outer end of the radial oil hole II (20) is communicated with the axial oil hole (8), and the inner end of the radial oil hole II is opened in the axial through hole (10); the outer end of the radial oil hole III (23) is opened on the surface of a bearing inner ring in the bearing assembly (18), the inner end of the radial oil hole III is communicated with the axial oil hole (8), the outer end of the radial oil hole IV (24) is opened on the outer circular surface of the pyramid main shaft (1) contacted with the spline sleeve (25), and the inner end of the radial oil hole IV is opened on the axial oil hole (8); the oil path in the axial wedge (17) comprises an axial oil groove (21) and a radial oil hole V (22); the axial oil groove (21) is arranged on the outer circular surface of the axial wedge (17) and is communicated with the radial oil hole II (20); one end of the radial oil hole V (22) is opened on the inclined bottom surface of the kidney-shaped groove (11), and the other end is communicated with the axial oil groove (21).
8. The pyramid-spindle coiler drum according to claim 1, wherein: the pyramid shaft type coiler mandrel further comprises an extension shaft (19), and the bearing assembly (18) and the extension shaft (19) form a head support assembly; an inner hole of the extension shaft (19) is sleeved on the pyramid spindle (1), the end face of the extension shaft (19) is connected to the end face of the sector plate (2) through a bolt, and the bearing assembly (18) is fixed on the extension shaft (19).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910976408.5A CN110624955A (en) | 2019-10-15 | 2019-10-15 | Pyramid shaft type coiler mandrel with mechanical jaw |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910976408.5A CN110624955A (en) | 2019-10-15 | 2019-10-15 | Pyramid shaft type coiler mandrel with mechanical jaw |
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| Publication Number | Publication Date |
|---|---|
| CN110624955A true CN110624955A (en) | 2019-12-31 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910976408.5A Pending CN110624955A (en) | 2019-10-15 | 2019-10-15 | Pyramid shaft type coiler mandrel with mechanical jaw |
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| Country | Link |
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| CN (1) | CN110624955A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112058945A (en) * | 2020-08-18 | 2020-12-11 | 湖南科美达重工有限公司 | Pyramid shell type coiler mandrel |
| CN114602974A (en) * | 2022-02-24 | 2022-06-10 | 泰尔重工股份有限公司 | Jaw type cold rolling drum |
-
2019
- 2019-10-15 CN CN201910976408.5A patent/CN110624955A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112058945A (en) * | 2020-08-18 | 2020-12-11 | 湖南科美达重工有限公司 | Pyramid shell type coiler mandrel |
| CN112058945B (en) * | 2020-08-18 | 2022-09-20 | 湖南科美达重工有限公司 | Pyramid shell type coiler mandrel |
| CN114602974A (en) * | 2022-02-24 | 2022-06-10 | 泰尔重工股份有限公司 | Jaw type cold rolling drum |
| CN114602974B (en) * | 2022-02-24 | 2024-04-26 | 泰尔重工股份有限公司 | Jaw type cold-rolled winding drum |
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