CN113857293A

CN113857293A - Novel coiling machine reel

Info

Publication number: CN113857293A
Application number: CN202111387082.6A
Authority: CN
Inventors: 蒋晓林
Original assignee: MCC SFRE Heavy Industry Equipment Co Ltd
Current assignee: MCC SFRE Heavy Industry Equipment Co Ltd
Priority date: 2021-11-22
Filing date: 2021-11-22
Publication date: 2021-12-31

Abstract

The invention discloses a novel coiling machine reel.A rotary oil cylinder stretches and drags a pull rod to drive a radial wedge to move horizontally, an inclined plane on the horizontal wedge enables the radial wedge to move up and down, a mushroom head of the radial wedge pushes a sector plate to move vertically, so that the diameter of the whole reel is changed, the diameter change of the reel is realized through the stroke of the rotary oil cylinder, and the diameter of the required reel is realized; the retraction of the sector plate is realized through a disc spring group, and the working stroke of the disc spring is determined by the structural size of the penetrating stud; the left end of the whole winding drum is a winding drum supporting part, and the right end of the whole winding drum is inserted into a speed reducer; the diameter change of the winding drum is realized by the stroke of the rotary oil cylinder. The invention has simple structure, novel thought and high application value.

Description

Novel coiling machine reel

Technical Field

The invention belongs to the technical field of metallurgical machinery, and particularly relates to a novel coiling machine reel.

Background

Among cold rolled strip unit, leveling unit, draw and rectify unit and bright annealing unit, the coiling machine is the most commonly used equipment, and it mainly comprises drive machine and spool two parts, and this paper focuses on a novel spool, and this spool mainly includes: the device comprises a main shaft, a pull rod, a radial wedge, an axial wedge, a sector plate, a crosshead, a bushing, a guide key, a disc spring group, a disc spring pull rod, a cover, a taper sleeve, a connecting frame, a rotary oil cylinder, a shaft head, a support sleeve, a bearing and the like. The reel belongs to a seamless reel, and the plate strip coiled by the reel has no indentation, so that the surface smoothness of the whole steel coil can be ensured, and the utilization rate of the plate strip is improved; the winding drum can be quickly separated from the speed reducer and quickly installed, the quick change of the winding drum is realized, the production period is shortened, and therefore the economic benefit is greatly improved.

Seamless reels are generally composed of four sector plates forming a ring that can expand and contract as follows: the expansion and contraction cylinder drags the pull rod to move axially, the inclined surface of the axial wedge arranged on the pull rod enables the radial wedge to move along the radial direction when the axial wedge moves axially, and the radial wedge pushes the sector plate to move along the radial direction, so that the diameter is expanded; then the return spring is used for returning; the radial wedges are distributed at four corners formed by the four sector plates, and the radial wedges are used for changing the diameter of the sector plates and simultaneously filling the gaps at the four corners of the sector plates, so that the whole reel is approximately seamless. The structure has several key points, including the depth value of radial inclined wedge inserted into axial inclined wedge, the depth value of sliding key inserted into sector plate, the regulation of sector plate restoring spring and the fast replacing of winding drum of winding machine.

The invention is improved by the following four points: the depth value of the radial wedge inserted into the axial wedge is increased, the depth value of the sliding key inserted into the sector plate is increased, the structure of the sector plate reset spring is improved, and a conical surface decomposition type main shaft is adopted.

Disclosure of Invention

The invention aims to provide a novel coiling machine reel, which improves and optimizes the mechanical structure of the reel and improves the application value of the coiling machine reel.

The invention adopts the technical scheme that the novel coiling machine reel comprises a main shaft, wherein the main shaft is a hollow shaft, a pull rod penetrates through the main shaft, one end of the pull rod is fixedly connected with a rotary oil cylinder, and the other end of the pull rod is connected with a crosshead;

a plurality of sliding keys and studs are uniformly fixed on one side of the main shaft close to the crosshead around the inner side of the main shaft, the sliding keys and the studs are arranged in a crossed manner around the circumference of the inner side of the main shaft, sector plates are arranged on the sliding keys, and the studs penetrate through the sector plates and are closed through nuts;

one side of the main shaft close to the crosshead is provided with a plurality of axial wedges around the pull rod, the outer sides of the axial wedges are provided with radial wedges, one ends of the axial wedges are fixed on the crosshead, and the axial wedges penetrate through the fan-shaped plates and are connected with the fan-shaped plates.

The invention is also characterized in that:

the spindle is a conical shaft, the pull rod is coaxial with the spindle, a spindle head is sleeved at one end, close to the crosshead, of the spindle, two bearings are sleeved between the spindle head and the spindle, a distance ring is arranged between the two bearings, and a spindle end baffle is arranged at one end, far away from the spindle, of the spindle head;

wherein the shaft head is also internally provided with an oil cup;

the spindle comprises a left conical surface and a right conical surface, the left conical surface and the right conical surface are connected through a flange bolt, a plurality of sliding keys and studs are arranged in the left conical surface (a conical sleeve is sleeved outside the right conical surface, one end of the conical sleeve is engaged with the left conical surface through a key, and the other end of the conical sleeve is connected with the rotary oil cylinder through a connecting frame;

wherein a coupling is arranged in the connecting frame, and the rotary oil cylinder is connected with the pull rod through the coupling;

wherein the left conical surface is also uniformly sleeved with a plurality of measuring rings;

wherein, the two ends of the radial wedge are respectively provided with a lining plate and a lining plate A, and the lining plate is positioned between the left conical surface and the right conical surface;

wherein, one end of the pull rod close to the crosshead is sleeved with a shaft sleeve, and the end part of the pull rod close to the rotary oil cylinder is sleeved with the shaft sleeve;

wherein, the stud is also sleeved with a disc spring group, and the sector plate is positioned on the disc spring group;

wherein, the fan-shaped plate is sleeved with a diameter increasing plate.

The invention has the advantages that

According to the novel coiling machine reel, the depth value of the radial wedge inserted into the axial wedge is increased, the depth value of the sliding key inserted into the sector plate is increased, the structure of the sector plate return spring is improved, and a conical surface decomposition type main shaft is adopted; simple structure, novel thought and high application value.

Drawings

FIG. 1 is a schematic view of the left conical surface of a new coiler mandrel according to the present invention;

FIG. 2 is a schematic view of the right conical surface of the new coiler mandrel according to the invention;

FIG. 3 is a cross-sectional view of the left conical surface of a new coiler spool according to the invention;

FIG. 4 is a cross-sectional view in the direction A-A of FIG. 1 of a new coiler spool according to the invention;

fig. 5 is a cross-sectional view in the direction B-B of fig. 1 of a new coiler spool according to the present invention.

In the figure, 1, a main shaft, 2, a pull rod, 3, a positioning ring, 4, a lining plate, 5, a radial wedge, 6, an axial wedge, 7, a lining plate A, 8, a shaft head, 9, a crosshead, 10, a shaft sleeve, 11, a sector plate, 12, a stud, 13, a disc spring set, 14, a sliding key, 15, a conical sleeve, 16, a bearing, 17, an oil cup, 18, a distance sleeve, 19, a measuring ring, 20, a diameter increasing plate, 21, a rotary oil cylinder, 22, a key, 23, a bolt, 24, a bolt A, 25, a coupler, 26, a connecting frame and 27 nuts.

Detailed Description

The present invention will be described in detail below with reference to the accompanying drawings and specific embodiments.

The invention provides a novel coiling machine reel, a conical shaft and a conical sleeve are connected through a bolt, a nut and a key to form a main shaft 1, the right end of the main shaft 1 is provided with a rotary oil cylinder 21 through a connecting frame 26, the rotary oil cylinder 21 is fixed through a bolt 23, the middle of the main shaft 1 is penetrated with a pull rod 2, the right end of the pull rod 2 is connected with the main shaft of the rotary oil cylinder 21 through a coupling 25, the left end of the pull rod 2 is provided with a crosshead 9, two ends of the pull rod 2 are provided with shaft sleeves, the crosshead 9 is fixed on the pull rod 2 through a nut, the crosshead 9 is provided with four axial wedges 6, the inclined planes of the axial wedges 6 are provided with radial wedges 5, the inclined planes at two sides of the mushroom head of the radial wedges 5 clamp four sector plates 11, the main shaft 1 is also provided with a plurality of sliding keys 14, the sliding keys 14 extend into sliding key grooves on the sector plates 11, the sector plates 11 are connected with the main shaft 1 through a plurality of disc spring groups 13, the excircle of the sector plates 11 is sleeved with a diameter increasing plate 20, the left end of the main shaft 1 is provided with a shaft head 8, the shaft head 8 is provided with two bearings, a supporting sleeve, a distance sleeve, a shaft end baffle, an end cover and an oil cup. The concrete structure is as follows:

as shown in figure 1, the novel coiling machine reel comprises a pull rod 2, wherein the pull rod 2 penetrates through a main shaft 1, the main shaft 1 is a hollow shaft, the right end of the main shaft is fixedly connected with a rotary oil cylinder 21, and the left end of the main shaft penetrates through a crosshead and is closed by a nut;

the left half part of the main shaft 1 is provided with a plurality of sliding keys 14, studs 12, axial wedges 6 and shaft heads 8;

the sliding keys 14 and the studs 12 are arranged around the inner circumference of the main shaft 1 in a crossed manner; four studs 12 and four sliding keys 14 are uniformly arranged on one circumference and are all arranged in a crossed manner;

two bearings 16 are sleeved between the spindle head 8 and the main shaft 1, a distance sleeve 42 is arranged between the two bearings 16, and a shaft end baffle 71 is arranged at one end of the spindle head 8, which is far away from the main shaft 1;

one side of the main shaft 1 close to the crosshead 9 is provided with a plurality of axial wedges 6 around the pull rod 2, the outer sides of the axial wedges 6 are provided with radial wedges 5, and one ends of the axial wedges 6 are fixed on the crosshead 9;

as shown in fig. 1, the sliding key 14 is provided with a sector plate 11, a disc spring group 13 and a nut 27;

the sliding keys 14 are provided with sector plates 11, and the studs 12 pass through the sector plates 11 and are closed through nuts 27; the stud 12 is sleeved with a disc spring group 13, and the sector plate 11 is positioned on the disc spring group 13; the sector plate 11 is positioned on the sliding key 14 to form a hollow circular ring, and the axial wedge 6 penetrates through the circular ring to be connected with the circular ring;

as shown in fig. 2, a conical sleeve 15 is arranged on the right conical surface of the main shaft 1, a flange at the left end of the conical sleeve 15 is combined with a flange at the right end of the main shaft 1 through a bolt A24 and a key 22, and the right end of the conical sleeve 15 is connected with a rotary oil cylinder 21 through a connecting frame 26; a coupling 25 is arranged in the connecting frame 26, and the rotary oil cylinder 21 is connected with the pull rod 2 through the coupling 25;

as shown in fig. 3, the axial wedge 6 is installed in the groove of the main shaft 1, the radial wedge 5 is installed on the axial wedge 6, the crosshead 9 is sleeved on the axial wedge 6, the lining plate a7 and the lining plate 4 are installed at two ends of the radial wedge 5, and the lining plate 4 is located between the left conical surface and the right conical surface;

as shown in fig. 4, the cross section of the pull rod 2, the main shaft 1, the sliding key 14, the axial wedge 6, the radial wedge 5, the sector plate 11, the diameter increasing plate 20 and the fastener thereof is shown;

as shown in fig. 5, the disc spring set 13 is sleeved on the stud 12, the lower end of the stud 12 is installed in the spindle 1, the upper end of the stud is closed by a nut 27, the lower end of the disc spring set 13 is installed on a spigot of the sector plate 11, and the spring is popped out to drive the sector plate to retract;

the working process of the invention is shown in the figure, a rotary oil cylinder 21 stretches and drags a pull rod 2 to drive a radial wedge 5 to move horizontally, the radial wedge 5 moves up and down due to the inclined surface on an axial wedge 6, a mushroom head of the radial wedge 5 pushes a sector plate 11 to move vertically, so that the diameter of the whole reel is changed, and the diameter change of the reel is realized through the stroke of the rotary oil cylinder 21 to realize the required diameter of the reel; the retraction of the sector plate 11 is realized through a disc spring set 13, and the working stroke of the disc spring set 13 is determined by the structural size of a threaded stud; the left end of the whole winding drum is a winding drum supporting part, and the right end of the whole winding drum is inserted into a speed reducer; the change of the diameter of the winding drum is realized by the stroke of the rotary oil cylinder 21.

The invention has the structural characteristics that one of the structural characteristics is the use of a disc spring set 13, the other is the use of the disc spring set 13 and a pull rod 2, the third is the use of a split positioning ring 3 and a lining plate, and the fourth is the structure that an axial wedge 6 and a radial wedge 5 are both embedded into a main shaft; the structure is characterized by repeated application in the same equipment, stable performance, reliable work, obvious control effect and high popularization value.

Claims

1. A novel coiling machine reel is characterized by comprising a main shaft (1), wherein the main shaft (1) is a hollow shaft, a pull rod (2) penetrates through the main shaft (1), one end of the pull rod (2) is fixedly connected with a rotary oil cylinder (21), and the other end of the pull rod (2) is connected with a crosshead (9);

a plurality of sliding keys (14) and studs (12) are uniformly fixed on one side of the main shaft (1) close to the crosshead (9) around the inner side of the main shaft (1), the sliding keys (14) and the studs (12) are arranged in a crossed mode around the circumference of the inner side of the main shaft (1), the sliding keys (14) are provided with sector plates (11), and the studs (12) penetrate through the sector plates (11) and are closed through nuts (27);

one side of the main shaft (1) close to the crosshead (9) is provided with a plurality of axial wedges (6) around the pull rod (2), the outer sides of the axial wedges (6) are provided with radial wedges (5), one ends of the axial wedges (6) are fixed on the crosshead (9), and the axial wedges (6) penetrate through the fan-shaped plates (11) to be connected with the fan-shaped plates (11).

2. A novel coiling reel as claimed in claim 1, characterised in that the main shaft (1) is a conical shaft, the pull rod (2) is coaxial with the main shaft (1), one end of the main shaft (1) close to the crosshead (9) is sleeved with a shaft head (8), two bearings (16) are sleeved between the shaft head (8) and the main shaft (1), a distance ring (18) is arranged between the two bearings (16), and one end of the shaft head (8) far away from the main shaft (1) is provided with a shaft end baffle (71).

3. A new reel-up according to claim 2, characterised in that an oil cup (17) is also provided in the head (8).

4. A novel reeling machine reel according to claim 1, characterized in that the main shaft (1) comprises a left conical surface and a right conical surface, the left conical surface and the right conical surface are connected through a flange bolt, a plurality of sliding keys (14) and studs (12) are arranged in the left conical surface, a conical sleeve (15) is sleeved outside the right conical surface, one end of the conical sleeve (15) is engaged with the left conical surface through a key (22), and the other end of the conical sleeve (15) is connected with the rotary oil cylinder (21) through a connecting frame (26).

5. A new reel-up according to claim 4, characterised in that a coupling (25) is arranged in the connection frame (26), and the rotary cylinder (21) is connected to the drawbar (2) via the coupling (25).

6. A new reel spool according to claim 4 characterised in that the left conical surface is also evenly provided with a plurality of measuring rings (19).

7. A new reel according to claim 1 or 4, characterized in that the radial wedge (5) is provided with a lining plate (4) and a lining plate A (7) at its two ends, respectively, the lining plate (4) being located between the left conical surface and the right conical surface; and a positioning ring (3) is sleeved between the lining plate (4) and the right conical surface.

8. A new reel-up according to claim 1, characterised in that the tie-rod (2) is sleeved at both ends with bushings (10).

9. A new reel spool according to claim 1 characterised in that the stud (12) is further provided with a disc spring set (13) and the sector plate (11) is located on the disc spring set (13).

10. A new reel-up according to claim 1, characterised in that the sector plate (11) is sleeved with a diameter-increasing plate (20).