CN116274477A - Novel double-inclined-wedge coiling machine winding drum - Google Patents

Novel double-inclined-wedge coiling machine winding drum Download PDF

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Publication number
CN116274477A
CN116274477A CN202310095318.1A CN202310095318A CN116274477A CN 116274477 A CN116274477 A CN 116274477A CN 202310095318 A CN202310095318 A CN 202310095318A CN 116274477 A CN116274477 A CN 116274477A
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China
Prior art keywords
wedge
main shaft
hook
cylinder
arc
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Pending
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CN202310095318.1A
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Chinese (zh)
Inventor
余峰
吴久福
袁玉琴
唐衡意
司马攀峰
罗平华
徐天佑
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Hunan Kemeida Heavy Industry Co ltd
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Hunan Kemeida Heavy Industry Co ltd
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Application filed by Hunan Kemeida Heavy Industry Co ltd filed Critical Hunan Kemeida Heavy Industry Co ltd
Priority to CN202310095318.1A priority Critical patent/CN116274477A/en
Publication of CN116274477A publication Critical patent/CN116274477A/en
Pending legal-status Critical Current

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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21CMANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
    • B21C47/00Winding-up, coiling or winding-off metal wire, metal band or other flexible metal material characterised by features relevant to metal processing only
    • B21C47/28Drums or other coil-holders
    • B21C47/30Drums or other coil-holders expansible or contractible
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P70/00Climate change mitigation technologies in the production process for final industrial or consumer products
    • Y02P70/10Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Winding Of Webs (AREA)

Abstract

The invention relates to the technical field of hot rolled strip coiling, and particularly discloses a novel double-wedge coiling machine reel which comprises a reel structure, a fixed oil cylinder and a spring mechanism, wherein the reel structure comprises a main shaft, a pull rod and a sector plate, the fixed oil cylinder comprises an outer cylinder and an inner cylinder, and the spring mechanism comprises a fixed plate, a sliding body and a working spring. The invention solves the problems of deformation, complex structure, difficult processing, high manufacturing cost and the like of parts such as the inclined wedge and the like by designing a brand-new reel expansion and contraction structure, solves the problems of simple structural characteristics, simple processing precision and process procedures, simple assembly links, low assembly precision requirement and low later maintenance cost of parts by matching the reel structure of the device with the fixed cylinder and the spring mechanism, and completely eliminates the leakage problem of the expansion and contraction cylinder and the rotary joint.

Description

Novel double-inclined-wedge coiling machine winding drum
Technical Field
The invention relates to the technical field of hot rolled strip coiling, in particular to a novel double-wedge coiling machine reel.
Background
The device for coiling or uncoiling the metal strip by the reel through the high-speed rotation of the body has the general structure shown in YB/T4064-2015 technical conditions of a metal strip uncoiler reel and a coiling machine reel, JB/T13979-2021 cold-rolled pyramid sleeve type reel of the metal strip, JB/T13980-2021 cold-rolled pyramid shaft type reel of the metal strip, and the cold-rolled reel structure mainly comprises a beam wedge type, a pyramid sleeve type and a pyramid shaft type, so that problems often occur in the use process of the existing reel, and the problems are analyzed (shown in figure 13) specifically as follows: the expansion and shrinkage of the winding drum are mainly characterized in that an expansion cylinder provides axial external force, a rotary joint provides hydraulic oil to the expansion cylinder, a winding drum rotary joint shell in a working state is in a fixed static state, the expansion cylinder and other bodies are in a rotary state, and the sealing of the cylinder and the rotary joint is easy to damage under high-speed rotation, so that the rotary joint and the expansion cylinder are easy to leak, a cylinder body is frequently required to be repaired and ground and the sealing is required to be replaced in the later period, the labor intensity is increased, the site environment is polluted, and the maintenance cost is additionally increased;
the working area of the cross beam wedge type winding drum (shown in fig. 14) mainly comprises a main shaft, a pull rod, a sector plate, an axial wedge, a radial wedge and the like, wherein the pull rod drives the axial wedge to move leftwards in a main shaft groove, the axial wedge drives the radial wedge to move upwards through an inclined plane, so that the sector plate is inflated, the sector plate is contracted by virtue of a reset spring when the pull rod moves rightwards, the axial wedge and the radial wedge are of an elongated integral structure, the problems of easy deformation, low strength, easy fracture failure and the like are solved, and the requirements on the machining and assembly precision of parts are high;
the working area of the pyramid sleeve type winding drum (shown in fig. 15) mainly comprises a main shaft, a pull rod, a sector plate, a pyramid sleeve and the like, the structure is relatively simple, the pyramid sleeve is square and provided with inclined-plane hooks, the inside of the sector plate is also provided with the inclined-plane hooks, the pull rod drives the pyramid sleeve to move leftwards, the inclined plane on the pyramid sleeve swells the sector plate, the pull rod moves rightwards, the hooks on the pyramid sleeve shrink the sector plate, and as the pyramid sleeve 4 integrates all the inclined-plane hooks, the machining is complex, the diameter of the main shaft must be reduced in order to arrange the pyramid sleeve in order to reduce the strength of the main shaft, the hooks on the inclined planes of the sector plate and the pyramid sleeve are easy to damage in the using process, castings are often used due to the structural design of the sector plate and the pyramid sleeve, the casting quality is poor, and internal defects often occur;
the working area of the pyramid shaft type winding drum (shown in figure 16) mainly comprises a pyramid shaft, a sector plate, a T-shaped key and the like, the structure is simplest, the pyramid shaft is square and provided with an inclined plane, the T-shaped key is arranged on the inclined plane, the pyramid shaft moves leftwards in the axial direction, the sector plate is inflated by the inclined plane on the pyramid shaft, the pyramid moves rightwards in the axial direction, the hook head on the T-shaped key reduces the sector plate, the structure winding drum is suitable for large-tension winding, the manufacturing period is long, the overall price is high, and according to the existing problems and the defects of the cross beam wedge type winding drum, the pyramid sleeve type winding drum and the pyramid shaft type winding drum, a novel double-wedge winding drum is provided.
Disclosure of Invention
The invention aims to provide a novel double-wedge coiling machine winding drum, which solves the problems in the background technology.
In order to achieve the above purpose, the present invention provides the following technical solutions: the novel double-wedge coiling machine winding drum comprises a winding drum structure, a fixed oil cylinder and a spring mechanism, wherein the winding drum structure comprises a main shaft, a pull rod and a fan-shaped plate, the main shaft is of a multi-section cylindrical structure, four identical-size hook head grooves are formed in one side surface of the main shaft, a plurality of identical-size square holes are formed in the hook head groove area, a plane wedge is movably mounted in each square hole, the main shaft is a hollow shaft body, the pull rod is positioned in the main shaft, a lock nut is mounted on one side of the pull rod in a threaded manner, limit bodies are mounted on one side surface of the pull rod in an inlaid manner, the number of the limit bodies is a plurality of, arc-shaped wedges are mounted between two adjacent limit bodies in an inlaid manner, hook head wedges are mounted on the tops of the arc-shaped wedges in an inlaid manner, T-shaped blocks are integrally formed on the tops of the arc-shaped wedges, T-shaped grooves of the hook head wedges are connected with the T-shaped blocks on the tops of the arc-shaped wedges in an inlaid manner, the hook wedge top is provided with four hook heads, the bottom surface of the fan-shaped plate is integrally formed with hook head bodies, the hook head bodies of the fan-shaped plate are respectively connected with the hook head grooves and the hook heads at the hook wedge top in an embedded manner, the main shaft hook head grooves and the fan-shaped plate hook head bodies are mutually protected to prevent the fan-shaped plate from being thrown out, the main shaft surface is respectively provided with a left protective cover and a right protective cover, the main shaft surface is rotatably provided with a bearing seat through an embedded bearing, the bearing seat surface is fixedly provided with a fixed rod, the fixed cylinder comprises an outer cylinder and an inner cylinder, the outer cylinder is fixedly connected with the bearing seat surface through the fixed rod, the inner cylinder is a hollow cylinder, the main shaft is positioned in the inner cylinder, the surface of the outer cylinder is provided with a reset spring, the reset rod body is fixedly embedded and installed in the reset spring, the reset rod body is fixedly connected with the end face of the inner cylinder through a nut, the spring mechanism comprises a fixed plate, a sliding body and a working spring, the fixed plate is fixedly connected with the main shaft through a pin key, the copper bush is embedded and installed in the sliding body, the main shaft is embedded and connected with the copper bush, the threaded rod is installed on the surface of the sliding body in a penetrating mode, the left sleeve and the right sleeve are respectively embedded and installed outside the threaded rod, the left sleeve and the right sleeve are located inside the working spring, one end of the threaded rod is connected with the surface of the fixed plate in a penetrating mode, the adjusting nut is installed at one end of the threaded rod in a threaded mode, the avoidance hole is formed in one end of the main shaft, the key slot body is formed in the sliding rod and the sliding body, the key is installed in the key slot body in a penetrating mode, and the key is located inside the avoidance hole of the main shaft.
As a preferred implementation mode of the invention, the bottom surface of the arc-shaped wedge is provided with the arc-shaped groove, the arc-shaped groove of the arc-shaped wedge is in fit contact with the outer surface of the pull rod, and the arc-shaped groove of the arc-shaped wedge is convenient to fit and install with the outer surface of the pull rod.
As a preferred embodiment of the present invention, the left and right shields are located at both sides of the sector plate, respectively, so that the sector plate is restricted to move only radially.
As a preferred embodiment of the invention, the fixed oil cylinder is positioned between the bearing seat and the sliding body, and the fixed oil cylinder is convenient for pushing the sliding body to axially move.
Compared with the prior art, the invention has the following beneficial effects:
the invention solves the problems of deformation, complex structure, difficult processing, high manufacturing cost and the like of parts such as the inclined wedge and the like by designing a brand-new reel expansion and contraction structure, solves the problems of simple structural characteristics, simple processing precision and process procedures, simple assembly links, low assembly precision requirement and low later maintenance cost of parts by matching the reel structure of the device with the fixed cylinder and the spring mechanism, and completely eliminates the leakage problem of the expansion and contraction cylinder and the rotary joint.
Drawings
Other features, objects and advantages of the present invention will become more apparent upon reading of the detailed description of non-limiting embodiments, given with reference to the accompanying drawings in which:
FIG. 1 is a schematic diagram of the structure of a novel dual wedge coiler mandrel of the present invention;
FIG. 2 is a front cross-sectional view of a novel dual cam coiler drum of the present invention;
FIG. 3 is a cross-sectional view of the spool construction of the novel dual wedge coiler mandrel of the present invention;
FIG. 4 is a cross-sectional view of a stationary cylinder and spring mechanism of a novel dual wedge coiler mandrel of the present invention;
FIG. 5 is a cross-sectional view A-A of a novel dual cam coiler drum of the present invention;
FIG. 6 is a B-B cross-sectional view of a novel dual cam coiler drum of the present invention;
FIG. 7 is a C-C cross-sectional view of a novel dual cam coiler drum of the present invention;
FIG. 8 is a schematic diagram of a fixed cylinder configuration of a novel dual wedge coiler mandrel of the present invention;
FIG. 9 is a schematic diagram of the spindle configuration of a novel dual wedge coiler mandrel in accordance with the present invention;
FIG. 10 is a schematic diagram of a hook wedge structure of a novel dual wedge coiler mandrel of the present invention;
FIG. 11 is a schematic view of an arcuate cam configuration of a novel dual cam coiler mandrel in accordance with the present invention;
FIG. 12 is a schematic view of a sector plate configuration of a novel dual wedge coiler drum of the present invention;
FIG. 13 is a schematic diagram of an assembled structure of a conventional spool and a telescoping cylinder;
FIG. 14 is a schematic view of the cross beam wedge reel configuration;
FIG. 15 is a schematic view of the structure of a pyramid sleeve drum;
fig. 16 is a schematic structural view of a pyramid-shaft-type roll.
In the figure: 1. a left protective cover; 2. a lock nut; 3. a sector plate; 4. a hook wedge; 5. arc wedge; 6. plane wedge; 7. a limiting body; 8. a pull rod; 9. a main shaft; 10. a right protective cover; 11. a bearing seat; 12. an outer cylinder; 13. an inner cylinder; 14. a sliding body; 15. a left sleeve; 16. a threaded rod; 17. a right sleeve; 18. an adjusting nut; 19. a half coupling; 20. a fixing plate; 21. a working spring; 22. pulling a key; 23. a copper sleeve; 24. a return spring; 25. and a fixing rod.
Detailed Description
The invention is further described in connection with the following detailed description, in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the invention easy to understand.
In the description of the present invention, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention; in the description of the present invention, it should be noted that, unless explicitly stated and limited otherwise, the terms "mounted," "connected," and "disposed" are to be construed broadly, and may be fixedly connected, disposed, or detachably connected, disposed, or integrally connected, disposed, for example. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
Referring to fig. 1-16, the present invention provides a technical solution: the novel double-wedge coiling machine reel comprises a reel structure, a fixed oil cylinder and a spring mechanism, wherein the reel structure comprises a main shaft 9, a pull rod 8 and a fan-shaped plate 3, the main shaft 9 is of a multi-section cylindrical structure, four identical-size hook head grooves are formed in one side surface of the main shaft 9, a plurality of identical-size square holes are formed in the hook head groove area, a plane wedge 6 is movably mounted in each square hole, the main shaft 9 is a hollow shaft body, the pull rod 8 is positioned in the main shaft 9, a locking nut 2 is threadedly mounted on one side of the pull rod 8, limit bodies 7 are mounted on one side surface of the pull rod 8 in an embedded manner, the number of the limit bodies 7 is a plurality, arc-shaped wedge 5 is mounted between two adjacent limit bodies 7 in an embedded manner, the hook head wedge 4 is mounted on the top of each arc-shaped wedge 5 in an embedded manner, a T-shaped block is integrally formed at the top of each hook head wedge 4, the T-shaped groove of the hook wedge 4 is connected with the T-shaped block at the top of the arc wedge 5 in an embedded manner, the hook is arranged at the top of the hook wedge 4, the number of the sector plates 3 is four, the hook bodies are integrally formed on the bottom surface of the sector plates 3, the hook bodies of the sector plates 3 are respectively connected with the hook grooves and the hook at the top of the hook wedge 4 in an embedded manner, the surface of the main shaft 9 is respectively provided with the left protective cover 1 and the right protective cover 10, the surface of the main shaft 9 is rotatably provided with the bearing seat 11 through the embedded bearing, the surface of the bearing seat 11 is fixedly provided with the fixing rod 25, the fixing cylinder comprises an outer cylinder 12 and an inner cylinder 13, the outer cylinder 12 is fixedly connected with the surface of the bearing seat 11 through the fixing rod 25, the inner cylinder 13 is a hollow cylinder, the main shaft 9 is positioned in the inner cylinder 13, the surface of the outer cylinder 12 is provided with the reset spring 24, the reset rod body is embedded and is fixedly arranged in the reset spring 24 and is fixedly connected with the end face of the inner cylinder 13 through the nut, the spring mechanism comprises a fixed plate 20, a sliding body 14 and a working spring 21, wherein the fixed plate 20 is fixedly connected with a main shaft 9 through a pin key, a copper sleeve 23 is embedded and installed in the sliding body 14, the main shaft 9 is embedded and connected with the copper sleeve 23, a threaded rod 16 is installed on the surface of the sliding body 14 in a penetrating mode, a left sleeve 15 and a right sleeve 17 are respectively embedded and installed outside the threaded rod 16, the left sleeve 15 and the right sleeve 17 are both positioned inside the working spring 21, one end of the threaded rod 16 is connected with the surface of the fixed plate 20 in a penetrating mode, an adjusting nut 18 is installed at one end of the threaded rod 16 in a threaded mode, an avoidance hole is formed in one end of the main shaft 9, a pull key groove body is formed in each of the pull rod 8 and the sliding body 14, a pull key 22 is installed in the inside the avoidance hole of the main shaft 9 in a penetrating mode, and the pull key 22 is positioned inside the avoidance hole of the main shaft 9.
In this embodiment, the coupling 19 is installed at the end of the spindle 9 to provide power input for the whole winding drum to wind up, the spring mechanism expands the winding drum by the force of the inner multiple sets of working springs 21 to wind up, the inner fixing plate 20 is installed and positioned on the spindle 9, multiple sets of right sleeves 17 are installed at the end surface of the fixing plate 20, the sliding body 14 can axially slide on the spindle 9 through the inner copper sleeve 23, the radial opening of the sliding body 14 is connected and matched with the pull key 22, multiple sets of left sleeves 15 are installed at the end surface of the sliding body 14, one end of the threaded rod 16 is fixed in the groove of the sliding body 14 by the left sleeve 15, the other end of the threaded rod 16 passes through the right sleeve 17, the working springs 21 are installed on the left and right sleeves, the adjusting nuts 18 are screwed on the threaded rod 16, and the total external force provided by the multiple sets of working springs 21 can be controlled by the adjusting nuts 18 to adjust the external force required for winding up;
the outer cylinder 12 is fixed on the bearing seat 11 through the fixed rod 25 by the fixed cylinder (as shown in fig. 1 and 8), the reel main shaft 9 passes through the middle of the inner cylinder 13 of the fixed cylinder, the inner cylinder 13 stretches out when only one oil inlet of the fixed cylinder is used for supplying oil in a pressurizing way, the inner cylinder 13 is reset by the reset spring 24 in the outer cylinder 12 when the oil inlet is depressurized, and the fixed cylinder does not rotate along with the reel when the reel rotates, so that the existing problems (faults and leakage of the expansion cylinder and the rotary joint) do not occur;
the pull rod 8 is arranged in the main shaft 9, the right side is connected with the sliding body 14 on the spring mechanism through the pull key 22, and the left side is locked through the locking nut 2 after being fixed with the limiting body 7 and the arc wedge 5 at equal intervals;
the inner hole of the limiting body 7 is matched and fixed with the pull rod 8, the outer circular surface slides in the inner hole of the main shaft 9, the spigot is matched with the arc-shaped wedge 5, and the arc-shaped wedge 5 uniformly distributed around is fixed along the circumferential direction of the pull rod 8;
the arc wedge 5 is matched with the pull rod 8 and the limiting body 7, can only move axially, the hook part is matched with the hook wedge 4, and the inclined plane without the hook is matched with the plane wedge 6;
the bottom of the hook wedge 4 is provided with an inclined hook, the top of the hook wedge is provided with a flat hook, the hook is placed on the arc-shaped wedge 5 through the inclined hook, the side surface of the hook wedge is against the main shaft 9 and the flat wedge 6, the hook wedge can only move radially, and the flat hook on the top surface is matched with the sector plate 3;
the plane wedge 6 mainly assists the hook wedge 4 to finish the action and can only move radially;
the sector plate 3 is provided with a plane hook which is matched with the plane hook of the hook wedge 4 and can only move radially;
the right shield 10 restricts the right movement of the sector plate 3;
the left shield 1 restricts leftward movement of the sector plate 3.
In a preferred embodiment, the bottom surface of the arc-shaped wedge 5 is provided with an arc-shaped groove, the arc-shaped groove of the arc-shaped wedge 5 is in fit contact with the outer surface of the pull rod 8, and the arc-shaped groove of the arc-shaped wedge 5 is convenient to fit with the outer surface of the pull rod 8.
In a preferred embodiment, the left and right shields 1 and 10 are located on both sides of the sector plate 3, respectively, to facilitate limiting the position of the sector plate 3.
When the novel double-wedge coiling machine reel is used, the novel double-wedge coiling machine reel provided by the invention comprises a left protective cover and a right protective cover, wherein the left protective cover is arranged on the left protective cover; 2. a lock nut; 3. a sector plate; 4. a hook wedge; 5. arc wedge; 6. plane wedge; 7. a limiting body; 8. a pull rod; 9. a main shaft; 10. a right protective cover; 11. a bearing seat; 12. an outer cylinder; 13. an inner cylinder; 14. a sliding body; 15. a left sleeve; 16. a threaded rod; 17. a right sleeve; 18. an adjusting nut; 19. a half coupling; 20. a fixing plate; 21. a working spring; 22. pulling a key; 23. a copper sleeve; 24. a return spring; 25. the fixed rod and the parts are all universal standard parts or parts known to the person skilled in the art, and the structure and the principle of the fixed rod are all known to the person skilled in the art through technical manuals or through routine experimental methods.
Working principle: the principle of drum shrinkage is that when the drum is in a static state, a fixed oil cylinder pipeline supplies oil and pressurizes, because an outer cylinder 12 is fixed on a bearing seat 11, an inner cylinder 13 moves rightwards, after a gap is formed, the inner cylinder 13 can touch a sliding body 14 on a spring mechanism, then the sliding body 14 is pushed to move rightwards together until a stroke reaches, the sliding body 14 drives a pull rod 8 to move rightwards through a pull key 22, the pull rod 8 drives a limiting body 7 and an arc-shaped wedge 5 to move rightwards together, because the arc-shaped wedge 5 and the hook-shaped wedge 4 are matched through inclined hooks, the inclined hooks on the arc-shaped wedge 5 can move with the hook-shaped wedge 4, because the periphery of the hook-shaped wedge 4 and the plane wedge 6 are limited by a main shaft 9 and can only move radially, the hook-shaped wedge 4 is forced to move downwards through the inclined hooks at the bottom, the flat hooks on the hook-shaped wedge 4 are matched with the flat hooks on the fan-shaped plate 3, the flat wedge 6 can only move radially, the flat wedge 3 is pushed downwards, and the fan-shaped plate 3 is uniformly pushed downwards because the inner structure of the drum is matched with the inclined wedge 4, and the drum is simultaneously shrunk downwards.
When the cylinder pipe is fixed, the oil returns and the pressure is relieved, the return spring 24 on the outer cylinder 12 pulls the inner cylinder 13 to move leftwards for return, the working spring 21 on the spring mechanism pushes the sliding body 14 to move leftwards for return, so that the arc-shaped wedge 5 is driven to move leftwards, the hook wedge 4 and the plane wedge 6 are upwards moved through the inclined plane by the arc-shaped wedge 5, and the hook wedge 4 and the plane wedge 6 simultaneously upwards move against the sector plate 3, so that the cylinder is inflated.
While the fundamental and principal features of the invention and advantages of the invention have been shown and described, it will be apparent to those skilled in the art that the invention is not limited to the details of the foregoing exemplary embodiments, but may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.

Claims (4)

1. A novel dual cam coiler mandrel, comprising:
the winding drum structure comprises a main shaft (9), a pull rod (8) and a sector plate (3), wherein the main shaft (9) is of a multi-section cylindrical structure, four equal-size hook grooves are formed in one side surface of the main shaft (9), a plurality of equal-size square holes are formed in the hook groove area, a plane wedge (6) is movably mounted in each square hole, the main shaft (9) is a hollow shaft body, the pull rod (8) is located the main shaft (9), a locking nut (2) is mounted on one side of the pull rod (8) through threads, limit bodies (7) are mounted on one side surface of the pull rod (8) in an embedded mode, a plurality of arc wedges (5) are mounted between every two adjacent limit bodies (7), T-shaped wedge (4) are mounted on the top of each arc wedge (5), T-shaped grooves are formed in the bottom of each hook wedge (4), the T-shaped wedge (4) is connected with the top of each hook wedge (3) through the corresponding hook wedge (3), the number of the hook wedges (4) is equal to the number of the hook wedges (3) which are connected with the sector plates, the surface of the main shaft (9) is respectively provided with a left protective cover (1) and a right protective cover (10), the surface of the main shaft (9) is rotatably provided with a bearing seat (11) through a mosaic bearing, and the surface of the bearing seat (11) is fixedly provided with a fixed rod (25);
the fixed oil cylinder comprises an outer cylinder (12) and an inner cylinder (13), wherein the outer cylinder (12) is fixedly connected with the surface of the bearing seat (11) through a fixed rod (25), the inner cylinder (13) is a hollow oil cylinder, the main shaft (9) is positioned in the inner cylinder (13), a reset spring (24) is arranged on the surface of the outer cylinder (12), a reset rod body is embedded in the reset spring (24), and the reset rod body is fixedly connected with the end surface of the inner cylinder (13) through a screw cap;
the spring mechanism comprises a fixed plate (20), a sliding body (14) and a working spring (21), wherein the fixed plate (20) is fixedly connected with a main shaft (9) through a pin key, a copper sleeve (23) is embedded and installed in the sliding body (14), the main shaft (9) is embedded and connected with the copper sleeve (23), a threaded rod (16) is installed on the surface of the sliding body (14) in a penetrating mode, a left sleeve (15) and a right sleeve (17) are respectively embedded and installed outside the threaded rod (16), the left sleeve (15) and the right sleeve (17) are both positioned inside the working spring (21), one end of the threaded rod (16) is connected with the surface of the fixed plate (20) in a penetrating mode, and an adjusting nut (18) is installed at one end of the threaded rod (16) in a threaded mode;
the novel anti-collision device is characterized in that an avoidance hole is formed in one end of the main shaft (9), key groove bodies are formed in the pull rod (8) and the sliding body (14), a key (22) is embedded and installed in the key groove bodies, and the key (22) is located inside the avoidance hole of the main shaft (9).
2. The novel dual cam coiler drum according to claim 1, characterized in that: the arc-shaped wedge (5) is characterized in that an arc-shaped groove is formed in the bottom surface of the arc-shaped wedge (5), and the arc-shaped groove of the arc-shaped wedge (5) is in fit contact with the outer surface of the pull rod (8).
3. The novel dual cam coiler drum according to claim 1, characterized in that: the left protective cover (1) and the right protective cover (10) are respectively positioned at two sides of the sector plate (3).
4. The novel dual cam coiler drum according to claim 1, characterized in that: the fixed oil cylinder is positioned between the bearing seat (11) and the sliding body (14).
CN202310095318.1A 2023-02-10 2023-02-10 Novel double-inclined-wedge coiling machine winding drum Pending CN116274477A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202310095318.1A CN116274477A (en) 2023-02-10 2023-02-10 Novel double-inclined-wedge coiling machine winding drum

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202310095318.1A CN116274477A (en) 2023-02-10 2023-02-10 Novel double-inclined-wedge coiling machine winding drum

Publications (1)

Publication Number Publication Date
CN116274477A true CN116274477A (en) 2023-06-23

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN202310095318.1A Pending CN116274477A (en) 2023-02-10 2023-02-10 Novel double-inclined-wedge coiling machine winding drum

Country Status (1)

Country Link
CN (1) CN116274477A (en)

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