CN213495724U - Hydraulic expansion and contraction constant tension decoiler - Google Patents
Hydraulic expansion and contraction constant tension decoiler Download PDFInfo
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- CN213495724U CN213495724U CN202022070244.0U CN202022070244U CN213495724U CN 213495724 U CN213495724 U CN 213495724U CN 202022070244 U CN202022070244 U CN 202022070244U CN 213495724 U CN213495724 U CN 213495724U
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Abstract
The utility model discloses a constant tension decoiler of hydraulic pressure harmomegathus, the test platform comprises a support, the bearing shaft cover, the pneumatic cylinder, the hydraulic pressure axle, the harmomegathus sliding sleeve, the connecting rod, harmomegathus cover support and spacing dish device, the bearing shaft cover runs through the frame, the hydraulic pressure axle runs through the bearing shaft cover, the pneumatic cylinder is connected with the one end of hydraulic pressure axle, harmomegathus sliding sleeve suit is outside the bearing shaft cover, the one end and the other end of hydraulic pressure axle of harmomegathus sliding sleeve are connected, the both ends of connecting rod are articulated with harmomegathus sliding sleeve and harmomegathus cover support respectively, the one end and the spacing dish device of harmomegathus cover support are connected, the one end and the spacing dish device of harm. The utility model discloses a spacing dish device has restricted the one end of harmomegathus cover support, and the one end of connecting rod then drives axial displacement by the harmomegathus sliding sleeve. The angle of the connecting rod is changed, and the expansion sleeve support expands outwards to prop against the inner ring of the steel strip coil. The hydraulic power realizes the functions of automatic expansion, loosening and the like, and has high efficiency and good effect.
Description
Technical Field
The utility model relates to a steel band unwinding unit, in particular to hydraulic pressure harmomegathus constant tension decoiler.
Background
The traditional steel belt uncoiler generally pushes an expansion sleeve bracket by manually rotating an adjusting hand wheel to realize expansion and loosening of a steel belt; however, the weight of the steel belt is often several tons, so that the resistance of the tension adjusting device is very large, the manual adjustment efficiency is low, and the labor intensity is high. And the problems that the expansion sleeve support does not actually push the inner ring of the steel belt tightly due to the fact that the expansion is judged to be in place by mistake due to large resistance, the steel belt is inclined, the steel belt shakes in the production process and the like easily occur. In addition, the power that traditional decoiler steel band was unreeled generally derives from the draw gear on the tuber, and draw gear when implementing traction force to the steel band, the decoiler is rotatory to be unreeled, and nevertheless steel band coil of strip weight is great, receives inertia to influence, even the traction force that the steel band received is little back, the decoiler still can continue to rotate, and it is too fast to appear some period steel band unwinding speed easily, causes the steel band to drag ground, the steel band coil lax to scatter the scheduling problem, can cause harmful effects to production or other model tubular products of transformation.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model aims at providing an adjust efficient, the effectual constant tension decoiler of hydraulic pressure harmomegathus that rises.
According to one aspect of the utility model, a hydraulic expansion and contraction constant tension decoiler is provided, comprising a frame, a bearing shaft sleeve, a hydraulic cylinder, a hydraulic shaft, an expansion and contraction sliding sleeve, a connecting rod, an expansion and contraction sleeve support and a limiting disc device, wherein the bearing shaft sleeve penetrates through the frame and is rotatably connected with the frame, the hydraulic shaft penetrates through the bearing shaft sleeve and is in clearance fit with the bearing shaft sleeve, the hydraulic cylinder is connected with one end of the hydraulic shaft and can drive the hydraulic shaft to axially extend and contract along the bearing shaft sleeve, the expansion and contraction sliding sleeve is sleeved outside the bearing shaft sleeve and is in clearance fit with the bearing shaft sleeve, one end of the expansion and contraction sliding sleeve is connected with the other end of the hydraulic shaft, one end of the connecting rod is hinged with the outer side of the expansion and contraction sliding sleeve, the other end of the connecting rod is hinged with the inner side of the expansion and contraction sleeve support, the limiting disc device, the tension control device is fixed on the base and is opposite to the collapsible sleeve bracket.
In some embodiments, the limiting disc device comprises a sleeve, a connecting disc and a reinforcing rib, the sleeve is sleeved outside the bearing shaft sleeve and is rotatably connected with the bearing shaft sleeve, the connecting disc is sleeved outside the sleeve and is fixedly connected with the sleeve, one side of the reinforcing rib is fixedly connected with the sleeve, and the other side of the reinforcing rib is fixedly connected with the connecting disc.
In some embodiments, the collapsible sleeve support comprises a tensioning piece, a pulley and a pulley connecting rod, the connecting disc is provided with a through guide limiting groove, one end of the pulley connecting rod is fixedly connected with one end of the tensioning piece, the other end of the pulley connecting rod is connected with the pulley, the tensioning piece is located on one side of the connecting disc, the pulley is located on the other side of the connecting disc, and the pulley connecting rod is located in the guide limiting groove.
In some embodiments, the hydraulic expansion and contraction constant-tension uncoiler further comprises an end connector, the end connector is connected between the expansion and contraction sliding sleeve and the hydraulic shaft, the end connector comprises an end fixing piece and a connecting sleeve, the connecting sleeve is sleeved outside the other end of the hydraulic shaft and is rotatably connected with the hydraulic shaft, the end fixing piece is fixed at the end of the hydraulic shaft and is abutted against one side of the connecting sleeve, and the other side of the connecting sleeve is fixedly connected with the expansion and contraction sliding sleeve.
In some embodiments, the collapsible sleeve support is provided in a plurality of pieces and evenly distributed around the collapsible sliding sleeve, and each piece of the collapsible sleeve support is provided with two connecting rods correspondingly.
In some embodiments, the hydraulic expansion and contraction constant-tension uncoiler further comprises a tension control device, wherein the tension control device comprises a mounting support, a support rod, a cylinder, a connecting rod, a pressure roller shaft, a motor and a steel belt compression roller, the mounting support is fixed on the base, one end of the support rod is fixedly connected with the support, the other end of the support rod is hinged to the middle section of the connecting rod, one end of the cylinder is hinged to the support, the other end of the cylinder is hinged to one end of the connecting rod, the pressure roller shaft is mounted at the other end of the connecting rod, the motor is fixed on the connecting rod, the output end of the motor is connected with one end of the pressure roller shaft and can drive the pressure roller shaft to rotate.
The utility model has the advantages that: the bearing sleeve is arranged on the base to bear the weight of the hydraulic shaft, the expansion and contraction sliding sleeve, the connecting rod, the expansion and contraction sleeve support, the limiting disc device and the steel belt, the hydraulic cylinder is adopted to push the hydraulic shaft and drive the expansion and contraction sliding sleeve to move along the axial direction of the bearing sleeve, and the limiting disc device limits one end of the expansion and contraction sleeve support to enable the expansion and contraction sleeve support to move only along the radial direction of the bearing sleeve. One end of the connecting rod is driven by the collapsible sliding sleeve to move axially along the bearing shaft sleeve. The angle of the connecting rod is forced to change, so that the expansion sleeve support expands outwards, and finally the inner ring of the steel belt is tightly propped. The automatic expanding and loosening functions are realized through hydraulic power, the efficiency is high, the effect is good, the unwinding of the steel belt is controlled by constant tension, the rotating and discharging speed of the uncoiler is ensured to be balanced, and the problem that the steel belt drags the ground or the steel belt curls and loosens is avoided.
Drawings
Fig. 1 is a schematic structural diagram of a hydraulic expansion and contraction constant tension uncoiler according to an embodiment of the present invention;
FIG. 2 is a left side view schematic structure diagram of the hydraulic expansion and contraction constant tension uncoiler shown in FIG. 1;
fig. 3 is a schematic structural view of a head connecting piece and adjacent components of the hydraulic expansion and contraction constant tension uncoiler shown in fig. 1.
Detailed Description
The following describes the present invention in further detail with reference to the accompanying drawings.
Fig. 1 to 3 schematically show a hydraulic expansion and contraction constant tension unwinder according to an embodiment of the present invention.
Referring to fig. 1-3, the hydraulic expansion and contraction constant tension decoiler comprises a machine base 1, a bearing shaft sleeve 2, a hydraulic cylinder 3, a hydraulic shaft 4, an expansion and contraction sliding sleeve 5, a connecting rod 6, an expansion and contraction sleeve support 7, a limiting disc device 8 and an end connecting piece 9. The bearing shaft sleeve 2 penetrates through the engine base 1 and is rotatably connected with the engine base 1 through a bearing, the hydraulic shaft 4 penetrates through the bearing shaft sleeve 2 and is in clearance fit with the bearing shaft sleeve 2, and the hydraulic cylinder 3 is connected with one end of the hydraulic shaft 4 and can drive the hydraulic shaft 4 to stretch and retract along the axial direction of the bearing shaft sleeve 2. The collapsible sliding sleeve 5 is sleeved outside the bearing shaft sleeve 2 and is in clearance fit with the bearing shaft sleeve 2, and one end of the collapsible sliding sleeve 5 is connected with the other end of the hydraulic shaft 4 through an end connecting piece 9. One end of the connecting rod 6 is hinged with the outer side of the collapsible sliding sleeve 5, and the other end of the connecting rod 6 is hinged with the inner side of the collapsible sleeve bracket 7. The limiting disc device 8 is sleeved outside the bearing shaft sleeve 2, and one end of the expansion sleeve support 7 is connected with the limiting disc device 8. The collapsible sleeve support 7 is arranged into a plurality of blocks and evenly distributed around the collapsible sliding sleeve 5, and each collapsible sleeve support 7 is correspondingly provided with 2-4 connecting rods 6. The tension control device 10 is fixed on the machine base 1 and is opposite to the collapsible sleeve bracket 7, and the tension control device 10 is used for controlling the unreeling tension of the steel strip.
The limiting disc device 8 comprises a sleeve 81, a connecting disc 82 and a reinforcing rib 83. The sleeve 81 is sleeved outside the bearing shaft sleeve 2 and is rotatably connected with the bearing shaft sleeve 2, and the connecting disc 82 is sleeved outside the sleeve 81 and is fixedly connected with the sleeve 81. One side of the rib 83 is fixedly connected to the sleeve 81, and the other side of the rib 83 is fixedly connected to the connecting plate 82.
The collapsible sleeve bracket 7 comprises a tensioning sheet 71, a pulley 72 and a pulley connecting rod 73. The connecting disc 82 is provided with a through guide limiting groove 821, one end of the pulley connecting rod 73 is fixedly connected with one end of the tension sheet 71, and the other end of the pulley connecting rod 73 is connected with the pulley 72. The tension piece 71 is located on one side of the connecting disc 82, the pulley 72 is located on the other side of the connecting disc 82, and the pulley connecting rod 73 is located in the guide limiting groove 821. The guide limit grooves 821 are provided in one-to-one correspondence with the collapsible sleeve brackets 7, and the plurality of guide limit grooves 821 extend in a divergent shape along the connection plate 82 with the axis of the collapsible sleeve 5 as the center.
The end connector 9 is connected between the collapsible sliding sleeve 5 and the hydraulic shaft 4, and the end connector 9 comprises an end fixing member 91 and a connecting sleeve 92. The connecting sleeve 92 is sleeved outside the other end of the hydraulic shaft 4 and is rotatably connected with the hydraulic shaft 4 through a bearing, the end fixing piece 91 is fixed at the end of the hydraulic shaft 4 and is abutted against one side of the connecting sleeve 92, and the other side of the connecting sleeve 92 is fixedly connected with the collapsible sliding sleeve 5. Therefore, the collapsible sliding sleeve 5 can move axially along the bearing shaft sleeve 2 and can also rotate along the steel belt outside the bearing shaft sleeve 2.
The utility model discloses a constant tension decoiler of hydraulic pressure harmomegathus still includes tension control device 10, and tension control device presses the speed of unreeling and unreeling tension on the surface of steel band and control steel band. The tension control device 10 comprises a mounting support 11, a support rod 12, an air cylinder 13, a connecting rod 14, a compression roller shaft 15, a motor 16, a belt 17 and a steel belt compression roller 18. The mounting support 11 is fixed on the machine base 1, one end of the support rod 12 is fixedly connected with the support 11, and the other end of the support rod 12 is hinged with the middle section of the connecting rod 14. One end of the air cylinder 13 is hinged with the support 11, the other end of the air cylinder 13 is hinged with one end of the connecting rod 14, and the compression roller shaft 15 is installed at the other end of the connecting rod 14. The motor 16 is fixed on the connecting rod 14, the output end of the motor 16 is connected with one end of the press roll shaft 15 through a belt 17 and can drive one end of the press roll shaft 15 to rotate, and the steel belt press roll 18 is sleeved outside the press roll shaft 15 and is fixedly connected with the press roll shaft 15. The cylinder 13 stretches and retracts to drive one end of the connecting rod 14 to rotate, the positions of the press roller shaft 15 at the other end of the connecting rod 14 and the steel belt press roller 18 are adjusted, the steel belt press roller 18 is enabled to be pressed on the surface of a steel belt all the time, and the motor 16 rotates with the press roller shaft 15 to drive the steel belt press roller 18 to rotate and drive the steel coil to rotate so as to unreel the steel belt.
Finally, it should be noted that: the above-mentioned embodiments are only used for illustrating the technical solution of the present invention, and not for limiting the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.
Claims (6)
1. The hydraulic expansion constant-tension uncoiler is characterized by comprising a machine base (1), a bearing shaft sleeve (2), a hydraulic cylinder (3), a hydraulic shaft (4), an expansion sliding sleeve (5), a connecting rod (6), an expansion sleeve support (7), a limiting disc device (8) and a tension control device (10), wherein the bearing shaft sleeve (2) penetrates through the machine base (1) and is rotatably connected with the machine base (1), the hydraulic shaft (4) penetrates through the bearing shaft sleeve (2) and is in clearance fit with the bearing shaft sleeve (2), the hydraulic cylinder (3) is connected with one end of the hydraulic shaft (4) and can drive the hydraulic shaft (4) to axially extend and retract along the bearing shaft sleeve (2), the expansion sliding sleeve (5) is sleeved outside the bearing shaft sleeve (2) and is in clearance fit with the bearing shaft sleeve (2), one end of the expansion sliding sleeve (5) is connected with the other end of the hydraulic shaft (4), one end of the connecting rod (6) is hinged to the outer side of the expansion sliding sleeve (5), the other end of the connecting rod (6) is hinged with the inner side of the expansion sleeve support (7), the limiting disc device (8) is sleeved outside the bearing shaft sleeve (2), one end of the expansion sleeve support (7) is connected with the limiting disc device (8), and the tension control device (10) is fixed on the machine base (1) and is opposite to the expansion sleeve support (7).
2. The hydraulic expansion constant-tension uncoiler according to claim 1, wherein the limiting disc device (8) comprises a sleeve (81), a connecting disc (82) and a reinforcing rib (83), the sleeve (81) is sleeved outside the bearing shaft sleeve (2) and rotatably connected with the bearing shaft sleeve (2), the connecting disc (82) is sleeved outside the sleeve (81) and fixedly connected with the sleeve (81), one side of the reinforcing rib (83) is fixedly connected with the sleeve (81), and the other side of the reinforcing rib (83) is fixedly connected with the connecting disc (82).
3. The hydraulic expansion constant-tension uncoiler according to claim 2, wherein the expansion sleeve support (7) comprises an expansion sheet (71), a pulley (72) and a pulley connecting rod (73), the connecting disc (82) is provided with a through guide limiting groove (821), one end of the pulley connecting rod (73) is fixedly connected with one end of the expansion sheet (71), the other end of the pulley connecting rod (73) is connected with the pulley (72), the expansion sheet (71) is positioned on one side of the connecting disc (82), the pulley (72) is positioned on the other side of the connecting disc (82), and the pulley connecting rod (73) is positioned in the guide limiting groove (821).
4. The hydraulic expansion constant-tension uncoiler according to claim 1, 2 or 3, further comprising an end connector (9), wherein the end connector (9) is connected between the expansion sliding sleeve (5) and the hydraulic shaft (4), the end connector (9) comprises an end fixing piece (91) and a connecting sleeve (92), the connecting sleeve (92) is sleeved outside the other end of the hydraulic shaft (4) and is rotatably connected with the hydraulic shaft (4), the end fixing piece (91) is fixed at the end of the hydraulic shaft (4) and is abutted against one side of the connecting sleeve (92), and the other side of the connecting sleeve (92) is fixedly connected with the expansion sliding sleeve (5).
5. The hydraulic expansion constant-tension uncoiler according to claim 1, wherein the expansion sleeve support (7) is provided with a plurality of blocks which are uniformly distributed around the expansion sliding sleeve (5), and each expansion sleeve support (7) is correspondingly provided with two connecting rods (6).
6. The hydraulic expansion constant-tension uncoiler according to claim 1, further comprising a tension control device (10), wherein the tension control device (10) comprises an installation support (11), a support rod (12), a cylinder (13), a connecting rod (14), a pressure roller shaft (15), a motor (16) and a steel belt pressure roller (18), the installation support (11) is fixed on the machine base (1), one end of the support rod (12) is fixedly connected with the support (11), the other end of the support rod (12) is hinged with the middle section of the connecting rod (14), one end of the cylinder (13) is hinged with the support (11), the other end of the cylinder (13) is hinged with one end of the connecting rod (14), the pressure roller shaft (15) is installed at the other end of the connecting rod (14), the motor (16) is fixed on the connecting rod (14), the output end of the motor (16) is connected with one end of the pressure roller shaft (15) and can drive the pressure roller shaft, the steel belt press roll (18) is sleeved outside the press roll shaft (15) and is fixedly connected with the press roll shaft (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022070244.0U CN213495724U (en) | 2020-09-18 | 2020-09-18 | Hydraulic expansion and contraction constant tension decoiler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022070244.0U CN213495724U (en) | 2020-09-18 | 2020-09-18 | Hydraulic expansion and contraction constant tension decoiler |
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| Publication Number | Publication Date |
|---|---|
| CN213495724U true CN213495724U (en) | 2021-06-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202022070244.0U Active CN213495724U (en) | 2020-09-18 | 2020-09-18 | Hydraulic expansion and contraction constant tension decoiler |
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| CN (1) | CN213495724U (en) |
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