CN219966038U - Heavy double-cone uncoiler - Google Patents
Heavy double-cone uncoiler Download PDFInfo
- Publication number
- CN219966038U CN219966038U CN202321188719.3U CN202321188719U CN219966038U CN 219966038 U CN219966038 U CN 219966038U CN 202321188719 U CN202321188719 U CN 202321188719U CN 219966038 U CN219966038 U CN 219966038U
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- CN
- China
- Prior art keywords
- main shaft
- expansion
- pushing
- cylinder
- expanding
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- 230000007246 mechanism Effects 0.000 claims abstract description 21
- 230000005540 biological transmission Effects 0.000 claims description 3
- 230000002093 peripheral effect Effects 0.000 claims description 2
- 229910000831 Steel Inorganic materials 0.000 abstract description 26
- 239000010959 steel Substances 0.000 abstract description 26
- 230000008602 contraction Effects 0.000 abstract description 5
- 239000011148 porous material Substances 0.000 abstract 1
- 230000008961 swelling Effects 0.000 description 5
- 238000007599 discharging Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 210000001503 joint Anatomy 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
Abstract
The utility model discloses a heavy double-cone uncoiler which comprises two groups of bases, a main shaft box, a main shaft, expansion cylinders, cylinder connecting shafts, expansion pushing pieces and expansion mechanisms, wherein the bases are oppositely arranged, the main shaft box is in sliding connection with the bases, the expansion cylinders are fixed on one side of the main shaft box, the main shaft penetrates through the main shaft box and is in rotating connection with the main shaft box, the cylinder connecting shafts penetrate through the main shaft, one ends of the cylinder connecting shafts are connected with the expansion cylinders, the other ends of the cylinder connecting shafts are fixedly connected with the expansion pushing pieces, the expansion mechanisms are arranged outside the main shaft, and the expansion pushing pieces are abutted with the expansion mechanisms. The heavy double-cone uncoiler adopts a double-cone heavy structure design, and adopts the expansion cylinder to drive the cylinder to push so that the expansion mechanism supports the steel coil from the radial direction. The mechanism can not receive axial thrust after expanding, can bear very big weight, satisfies the demand of large-caliber steel coil unreeling. In addition, the expansion and contraction module adopts a multi-caliber design, and can be suitable for unreeling steel coils with a large pore diameter range.
Description
Technical Field
The utility model relates to the field of steel pipe production equipment, in particular to a heavy double-cone uncoiler.
Background
In the large-caliber steel pipe making machine, the width of a steel coil to be used is large, the weight of the steel coil is large, and the weight of the steel coil of one coil can reach about 27 tons. Meanwhile, the width of the steel coil is larger, the stress and the tension are larger, and the stable unreeling speed needs to be kept during unreeling, otherwise, the normal production work is influenced. The uncoiler in the prior art usually adopts a unilateral support and cannot bear the weight of a steel coil. There are also uncoilers using double ejector pins, for example, the utility model patent No. ZL202222510439.1, "a double ejector pin uncoiler", in which a conical ejector pin is inserted into the center of a coil of steel to support the coil of steel, and when the coil of steel is supported, the conical ejector pin, the frame and the driving device are always subjected to axial thrust of the coil of steel, and the coil of steel is supported unstably, easily to shake and difficult to support with a large weight during the uncoiling process.
Disclosure of Invention
The utility model aims to provide a heavy double-cone uncoiler with stable support and high bearing weight.
According to one aspect of the utility model, a heavy double-cone uncoiler is provided, which comprises two groups of bases, a main shaft box, a main shaft, expansion cylinders, a cylinder connecting shaft, an expansion pushing piece and an expansion mechanism, wherein the bases are oppositely arranged, the main shaft box is in sliding connection with the bases, the expansion cylinders are fixed on one side of the main shaft box, the main shaft penetrates through the main shaft box and is rotationally connected with the main shaft box, the cylinder connecting shaft penetrates through the main shaft and is in clearance fit with the main shaft, one end of the cylinder connecting shaft is connected with the expansion cylinders, the other end of the cylinder connecting shaft is fixedly connected with the expansion pushing piece, the expansion mechanism is arranged outside the main shaft, and the expansion pushing piece is in butt joint with the expansion mechanism.
Further, the heavy double-cone uncoiler further comprises a pushing oil cylinder, the pushing oil cylinder is fixed on the upper side of the base, a sliding groove is formed in the upper side of the base, the lower end of the main shaft box is in sliding fit with the sliding groove, and the free end of the pushing oil cylinder is connected with the main shaft box and can push the main shaft box to move along the sliding groove.
Further, the expansion mechanism comprises a limiting disc, an expansion block and an expansion sliding block, wherein the limiting disc is sleeved outside the main shaft and is fixedly connected with the main shaft, a limiting groove is formed in the limiting disc, one end of the expansion block penetrates through the limiting groove, one side of the expansion sliding block is fixedly connected with the inner side of the expansion block, and the expansion sliding block is in sliding connection with the expansion pushing piece.
Further, the expansion pushing piece comprises a connecting part and a pushing part which are connected, the connecting part is sleeved outside the oil cylinder connecting shaft and is fixedly connected with the oil cylinder connecting shaft, the pushing part is sleeved outside the main shaft and is in clearance fit with the main shaft, and an inclined pushing surface is arranged on the outer peripheral surface of the pushing part.
Further, the other side of the expansion sliding block is provided with a supporting and pushing part, the pushing surface is provided with a limiting sliding groove, the supporting and pushing part is in sliding connection with the limiting sliding groove, and the expansion blocks, the supporting and pushing blocks and the pushing surface are arranged in a one-to-one correspondence mode to form a plurality of groups and are evenly distributed around the main shaft.
Further, the outer side surface of the other end of the expansion block is in a step shape.
Further, the heavy double-cone uncoiler further comprises a main shaft driving device, the main shaft driving device is arranged on one of the main shaft boxes, the main shaft driving device comprises a driving motor, a driving sprocket and a driven sprocket, the driving motor is fixed on the main shaft box, the driving sprocket is fixed at the output end of the driving motor and driven by the driving motor to rotate, the driven sprocket is sleeved outside the main shaft and is fixedly connected with the main shaft, and the driving sprocket and the driven sprocket are connected through a chain in a transmission manner.
The beneficial effects of the utility model are as follows: the double-cone heavy structure design is adopted, and the expansion and contraction oil cylinder is adopted to drive the oil cylinder connecting shaft to push the expansion and contraction pushing piece, so that the expansion and contraction mechanism supports the steel coil from the radial direction. The mechanism can not receive axial thrust after expanding, can bear very big weight, satisfies the demand of large-caliber steel coil unreeling. In addition, the multi-group expansion and contraction modules adopt a multi-caliber design, and can be suitable for unreeling steel coils with larger pore-size range.
Drawings
FIG. 1 is a schematic view of a heavy duty double cone unwinder according to an embodiment of the present utility model;
FIG. 2 is a schematic cross-sectional view of the heavy duty double cone unwinder shown in FIG. 1;
FIG. 3 is a schematic view of a portion of the heavy duty double cone unwinder shown in FIG. 1;
FIG. 4 is a schematic structural view of a limiting plate;
in the figure: the device comprises a base-1, a sliding groove-11, a main shaft box-2, a main shaft-3, a swelling and shrinking oil cylinder-4, an oil cylinder connecting shaft-5, a swelling and tightly pushing piece-6, a connecting part-61, a pushing part-62, a pushing surface-621, a swelling and tightly mechanism-7, a limiting disc-71, a limiting groove-711, a swelling and tightly block-72, a swelling and tightly sliding block-73, a bearing and pushing part-731, a pushing oil cylinder-8, a driving motor-91, a driving sprocket-92 and a driven sprocket-93.
Detailed Description
The utility model is described in further detail below with reference to the accompanying drawings.
Fig. 1 to 4 schematically show a heavy-duty double cone unwinder according to an embodiment of the present utility model.
As shown in fig. 1 to 4, the heavy double-cone uncoiler comprises two groups of bases 1, a main shaft box 2, a main shaft 3, an expansion cylinder 4, a cylinder connecting shaft 5, an expansion pushing piece 6, an expansion mechanism 7 and a pushing cylinder 8 which are oppositely arranged. The main shaft box 2 is in sliding connection with the base 1, the expansion cylinder 4 is fixed on one side of the main shaft box 2, and the main shaft 3 penetrates through the main shaft box 2 and is in rotary connection with the main shaft box 2 through a bearing. The oil cylinder connecting shaft 5 axially penetrates through the center of the main shaft 3 and is in clearance fit with the main shaft 3, and the oil cylinder connecting shaft 5 can freely axially stretch and retract in the main shaft 3. One end of the oil cylinder connecting shaft 5 is connected with the expansion oil cylinder 4 and is pushed by the expansion oil cylinder 4, and the other end of the oil cylinder connecting shaft 5 is fixedly connected with the expansion pushing piece 6. The expanding mechanism 7 is arranged outside the main shaft 3, and the expanding pushing piece 6 is abutted with the expanding mechanism 7 and can push the expanding mechanism 7 to expand or contract.
The pushing oil cylinder 8 is fixed on the upper side of the base 1, a horizontal chute 11 is arranged on the upper side of the base 1, the lower end of the spindle box 2 is in sliding fit with the chute 11, and the free end of the pushing oil cylinder 8 is connected with the spindle box 2 and can push the spindle box 2 to move along the chute 11.
The expanding mechanism 7 comprises a limiting disc 71, an expanding block 72 and an expanding slide block 73. The limiting plate 71 is sleeved outside the main shaft 3 and fixedly connected with the main shaft 3, and a limiting groove 711 extending radially and penetrating the limiting plate 71 is arranged on the limiting plate 71. One end of the expansion block 72 penetrates through the limit groove 711 and can move along the limit groove 711, one side of the expansion block 73 is fixedly connected with the inner side of the expansion block 72, and the expansion block 73 is in sliding connection with the expansion pushing piece 6.
The expansion pushing piece 6 is in a wedge-shaped cylinder shape, and the expansion pushing piece 6 comprises a connecting part 61 and a pushing part 62 which are connected. The connecting part 61 is sleeved outside the end part of the oil cylinder connecting shaft 5 and is fixedly connected with the oil cylinder connecting shaft 5, the pushing part 62 is sleeved outside the main shaft 3 and is in clearance fit with the main shaft 3, and the outer circumferential surface of the pushing part 62 is provided with an inclined pushing surface 621.
The other side of the expansion slide block 73 is provided with a push supporting part 731, the push surface 621 is provided with a limit chute, and the push supporting part 731 is sleeved in the limit chute, matched with the limit chute and in sliding connection. The expansion blocks 71, the bearing blocks 72 and the pushing surfaces 621 are arranged in a one-to-one correspondence manner into a plurality of groups and uniformly distributed around the main shaft 3. Therefore, when the pushing cylinder 8 drives the main shaft 3 to shrink and drives the expanding pushing piece 6 to move, the pushing surfaces 621 push the pushing parts 731 of the corresponding pushing blocks 72 to move in the sliding grooves, so that the pushing blocks 72 push the expanding blocks 71 to move outwards along the limiting grooves 711 in the radial direction of the main shaft 3, so as to expand the center of the steel coil.
The outer side of the other end of the expansion block 71 is in a ladder shape, so that the outer Zhou Gewei of the expansion blocks 71 which are annularly arranged form a ladder-shaped circular ring, and the expansion block can be suitable for expanding and supporting steel coils with different inner diameters.
The utility model also comprises a main shaft driving device, wherein the main shaft driving device is arranged on one of the main shaft boxes 2, the main shaft driving device comprises a driving motor 91, a driving chain wheel 92 and a driven chain wheel 93, the driving motor 91 is fixed on the main shaft box 2, the driving chain wheel 92 is fixed at the output end of the driving motor 91 and is driven by the driving motor 91 to rotate, the driven chain wheel 93 is sleeved outside the main shaft 3 and is fixedly connected with the main shaft 3, and the driving chain wheel 92 and the driven chain wheel 93 are connected through a chain in a transmission way.
The working process of the utility model is as follows: the steel coil is transported to the middle of the two opposite expansion mechanisms 7 by the transport vehicle, the pushing cylinder 8 pushes the spindle boxes 2 at the two sides to the direction of the steel coil, so that the expansion blocks 72 enter the center hole of the steel coil, and the expansion cylinder 4 pushes the cylinder connecting shaft 5 to move the expansion pushing piece 6. The pushing surfaces 621 push the pushing parts 731 of the corresponding pushing blocks 72 to move in the sliding grooves, so that the pushing blocks 72 push the expansion blocks 71 to synchronously move outwards along the radial direction of the main shaft 3 along the limiting grooves 711, and the inner wall of the steel coil is tightly propped. The driving motor 91 drives the driving chain wheel 92 to rotate to drive the driven chain wheel 93 to rotate and drive the main shaft 3 to rotate, so that the steel coil driving discharging function is realized. After the discharging is completed, the expansion and shrinkage oil cylinder 4 pushes the oil cylinder connecting shaft 5 to enable the expansion and shrinkage pushing piece 6 to reversely move so that the expansion and shrinkage module is contracted inwards, and the releasing of the inner wall of the steel coil is realized.
What has been described above is merely some embodiments of the present utility model. It will be apparent to those skilled in the art that various modifications and improvements can be made without departing from the spirit of the utility model.
Claims (7)
1. Heavy bipyramid decoiler, its characterized in that: including base (1), headstock (2), main shaft (3), shrink hydro-cylinder (4), hydro-cylinder connecting axle (5), tight push piece (6) and tight mechanism of expansion (7) of two sets of relative settings, headstock (2) and base (1) sliding connection, shrink hydro-cylinder (4) are fixed in one side of headstock (2), main shaft (3) run through headstock (2) and rotate with headstock (2) and be connected, hydro-cylinder connecting axle (5) run through main shaft (3) and with main shaft (3) clearance fit, the one end and the shrink hydro-cylinder (4) of hydro-cylinder connecting axle (5) are connected, the other end and the tight push piece (6) fixed connection of expansion of hydro-cylinder connecting axle (5), tight mechanism of expansion (7) are installed outside main shaft (3), tight push piece (6) and tight mechanism of expansion (7) butt.
2. The heavy duty double cone unwinder as claimed in claim 1, wherein: still include push hydro-cylinder (8), push hydro-cylinder (8) are fixed in the upside of base (1), the upside of base (1) is equipped with spout (11), the lower extreme and the spout (11) sliding fit of headstock (2), the free end of push hydro-cylinder (8) is connected and can promote headstock (2) along spout (11) removal with headstock (2).
3. The heavy duty double cone unwinder as claimed in claim 2, wherein: the expanding mechanism (7) comprises a limiting disc (71), an expanding block (72) and an expanding sliding block (73), wherein the limiting disc (71) is sleeved outside the main shaft (3) and fixedly connected with the main shaft (3), a limiting groove (711) is formed in the limiting disc (71), one end of the expanding block (72) penetrates through the limiting groove (711), one side of the expanding sliding block (73) is fixedly connected with the inner side of the expanding block (72), and the other side of the expanding sliding block (73) is in sliding connection with the expanding pushing piece (6).
4. A heavy double cone unwinder as claimed in claim 1, 2 or 3, characterized in that: the expanding pushing piece (6) comprises a connecting part (61) and a pushing part (62) which are connected, the connecting part (61) is sleeved outside the oil cylinder connecting shaft (5) and is fixedly connected with the oil cylinder connecting shaft (5), the pushing part (62) is sleeved outside the main shaft (3) and is in clearance fit with the main shaft (3), and an inclined pushing surface (621) is arranged on the outer peripheral surface of the pushing part (62).
5. The heavy duty double cone unwinder as claimed in claim 4, wherein: the other side of the expansion sliding block (73) is provided with a supporting and pushing part (731), the pushing surface (621) is provided with a limiting sliding groove, the supporting and pushing part (731) is in sliding connection with the limiting sliding groove, and the expansion block (71), the supporting and pushing block (72) and the pushing surface (621) are arranged in a one-to-one correspondence mode to form a plurality of groups and are uniformly distributed around the main shaft (3).
6. The heavy duty double cone unwinder as claimed in claim 5, wherein: the outer side of the other end of the expansion block (71) is in a ladder shape.
7. The heavy duty double cone unwinder as claimed in claim 1, wherein: still include spindle drive, spindle drive installs in one of them headstock (2), spindle drive includes driving motor (91), driving sprocket (92) and driven sprocket (93), driving motor (91) are fixed in headstock (2), driving sprocket (92) are fixed in the output of driving motor (91) and are driven by driving motor (91) and rotate, driven sprocket (93) suit is outside main shaft (3) and with main shaft (3) fixed connection, be connected with chain transmission between driving sprocket (92) and driven sprocket (93).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321188719.3U CN219966038U (en) | 2023-05-17 | 2023-05-17 | Heavy double-cone uncoiler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321188719.3U CN219966038U (en) | 2023-05-17 | 2023-05-17 | Heavy double-cone uncoiler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219966038U true CN219966038U (en) | 2023-11-07 |
Family
ID=88595246
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321188719.3U Active CN219966038U (en) | 2023-05-17 | 2023-05-17 | Heavy double-cone uncoiler |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219966038U (en) |
-
2023
- 2023-05-17 CN CN202321188719.3U patent/CN219966038U/en active Active
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