CN211444556U - Spring-pressing type winding drum at two ends of integrated shaft structure - Google Patents
Spring-pressing type winding drum at two ends of integrated shaft structure Download PDFInfo
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- CN211444556U CN211444556U CN201922397992.7U CN201922397992U CN211444556U CN 211444556 U CN211444556 U CN 211444556U CN 201922397992 U CN201922397992 U CN 201922397992U CN 211444556 U CN211444556 U CN 211444556U
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Abstract
The utility model discloses a compression spring type winding drum at two ends of an integral shaft structure, which comprises a mandrel, wherein the mandrel sequentially comprises a transmission connecting section connected with a hydraulic cylinder, an expansion section and a supporting tail section connected with a supporting sleeve; a through hole for installing a pull rod is formed in the mandrel, and a crosshead is arranged at the tail end of the pull rod; four shifting forks of the crosshead are respectively inserted into the inserting and connecting grooves formed in the bottoms of the axial wedges through mounting holes formed in the tail ends of the straight grooves; sector plates are arranged above the axial wedge, and the four sector plates are spliced into a cylinder; connecting lugs are respectively arranged at two ends of the sector plate, and disc spring grooves provided with supporting spring groups are arranged in the connecting lugs; and a front end sleeve or a thrust ring for limiting the movement of the sector plate is arranged above the spring groove. The utility model has the advantages of simple integral structure, the intensity and the precision of reel are high, operate steadily, and the value of beating is little, long service life, and the fault rate is low, convenient maintenance.
Description
Technical Field
The utility model relates to a metallurgical machine technical field, concretely relates to integrative axle construction both ends pressure spring formula reel.
Background
After the steel strip and the aluminum strip are processed, the steel strip and the aluminum strip need to be coiled, so that the steel strip and the aluminum strip are convenient to transport and sell, and after the steel strip and the aluminum strip are coiled, the steel strip and the aluminum strip need to be dismounted from a coiling machine. And the reel of the uncoiler is firstly contracted to the minimum before the material is coiled, and after the material is coiled, the collapsible reel is driven to rotate by the transmission mechanism after the collapsible reel is tensioned, so that the reel of the uncoiler is driven to be uncoiled, and the material is conveyed to the background by other mechanisms to provide raw materials for the coiler. The existing uncoiling and coiling machine usually adopts a mechanical collapsible reel, but the existing reel has a complex structure, the collapsible reel is easy to damage, and the cost is high; in addition, the existing winding drum is split, an end cover shaft of the split structure is matched through a spigot, a gap exists between the end cover shaft and the end cover shaft, and the end cover shaft is connected and fastened through screws. During field use, due to abrasion or other external factors, the gap is easily too large, and the screw is subjected to shearing force, so that the screw is easily cut off. The support position is easy to jump too much in the field use process, damage is caused to the plate type, and equipment halt is directly caused more seriously. In addition, the machine tool has deviation during mechanical processing, and the run-out value during machine tool processing is not easy to control; the disassembly operation is inconvenient in field maintenance and overhaul.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model aims at providing a simple structure, operation are stable, the strong integrative axle construction both ends compression spring formula reel of reliability to the not enough of prior art.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the spring pressing type winding drum at two ends of the integrated shaft structure comprises a mandrel, wherein the mandrel sequentially comprises a transmission connecting section, an expansion and contraction section and a supporting tail section, the initial end of the transmission connecting section is connected with a hydraulic cylinder provided with a rotary joint, and the tail end of the supporting tail section is connected with a supporting sleeve through an assembled conical bearing;
a through hole for installing a pull rod is formed in the mandrel, and a crosshead is sleeved at the tail end of the pull rod; four straight grooves are uniformly distributed on the expansion and contraction section of the mandrel along the circumferential direction, and cross-shaped penetrating mounting holes are formed in the tail ends of the straight grooves; an axial inclined wedge is arranged in the straight groove, a plurality of first sliding inclined planes are distributed on the upper surface of the axial inclined wedge, and inserting grooves are respectively formed in the positions, corresponding to the mounting holes, on the bottom of the axial inclined wedge; the four shifting forks of the crosshead are respectively and fixedly inserted into the inserting grooves through the corresponding mounting holes, so that the axial wedge is fixedly connected with the crosshead;
sector plates are respectively arranged above the axial wedges, each sector plate comprises an arc-shaped top surface and a second sliding inclined surface which is arranged corresponding to the first sliding inclined surface, and the top surfaces of the four sector plates form a cylinder shape after being arranged; connecting lugs are respectively arranged at two ends of the second sliding inclined plane of the sector plate, spring grooves are arranged in the connecting lugs, supporting spring groups are arranged in the spring grooves, and the natural height of each supporting spring group is greater than the depth of each spring groove;
a front end sleeve is fixedly connected above the front end of the supporting tail section, first positioning grooves are respectively arranged on the front end sleeve at positions corresponding to the spring grooves at the tail ends of the fan-shaped plates, a first positioning spring group is arranged in each first positioning groove, and a first pressing plate is arranged above each first positioning groove; a thrust ring is arranged between the transmission connecting section and the expansion and contraction section, second positioning grooves are respectively arranged on the thrust ring at positions corresponding to the spring grooves at the starting ends of the fan-shaped plates, second positioning spring groups are arranged in the second positioning grooves, and a second pressing plate is arranged above the second positioning grooves; the supporting spring groups in the spring grooves at the tail end and the initial end of the sector plate are respectively matched with the corresponding first positioning disc spring group and the second positioning disc spring group to realize the expansion and contraction of the winding drum;
and the winding drum is clamped with a bearing position, a gear position and a support end bearing position on a main shaft of the winding drum at one time during true circle finish machining.
According to the technical scheme, the hydraulic cylinder drives the pull rod to do axial telescopic motion, the cross head fixed at the tail end of the pull rod moves along with the pull rod, the shifting fork of the cross head drives the axial wedge to do axial motion along the straight groove, meanwhile, the axial wedge pushes the sector plate to do radial motion upwards, the supporting spring group in the spring groove and the corresponding positioning spring group are extruded mutually when the sector plate moves upwards, and the radial motion amplitude of the sector plate is limited through the pressing plate, so that the expansion of the winding drum is realized; when the axial wedge moves axially leftwards, the supporting disc spring group in the disc spring groove rebounds gradually to move the sector plate downwards, so that the winding drum is reduced, and the supporting spring is in a free telescopic state when the diameter of the winding drum is the minimum; the expansion and contraction of the winding drum are realized by arranging the axial wedge and arranging the first sliding inclined plane and the second sliding inclined plane on the sector plate, the structure is relatively simpler, the supporting spring groups are arranged at the two ends of the sector plate to assist the expansion and contraction of the winding drum, so that the winding drum is convenient to install and maintain, and the supporting spring groups play a role in buffering to ensure that the sector plate is more stable when doing radial motion; the utility model can change the expansion and contraction section of the winding drum by changing the axial wedge sector plates with different inclination angles, so that the winding drum can adapt to different requirements and has wider application range; the reel true circle finish machining with main epaxial bearing position, gear position once dress card accomplish, compare the split type structure of end cover axle, this kind of structure can wholly promote reel intensity, precision and axiality now, effectively reduces the value of beating simultaneously, better user demand who satisfies the customer.
Preferably, the mounting hole is rectangular, so that the shifting fork of the crosshead axially moves in the mounting hole.
Preferably, a copper sliding plate is respectively arranged on the bottom of the axial wedge and the first sliding inclined surface. The copper sliding plate has good wear resistance, and the service life of the axial wedge is prolonged.
Preferably, a plurality of oil cups are arranged on the sector plate, and the bottoms of the oil cups are communicated with the second sliding inclined plane. The oil cup is used for conveying lubricating oil to the sliding plate, so that the friction force of the sliding plate in the moving process is reduced, and the expansion and contraction process of the winding drum is smoother.
Preferably, the first sliding slope and the second sliding slope are inclined at an angle of 15 °. The inclination angle can meet the expansion and contraction range of the winding drum and is convenient for relative movement between the axial wedge and the sector plate.
Preferably, two sides of the sector plate are tooth-shaped and wavy. The clearance between the sector plates is reduced, and the stability and the strength of the running of the winding drum are improved.
Preferably, the outer arcs of the sector plates are respectively provided with a diameter increasing plate, and the sector plates and the diameter increasing plates are fixedly connected through positioning screws. The diameter of the reel can be further increased to adapt it to different requirements.
The utility model has the advantages that:
the winding drum of the utility model is clamped with the bearing position, the gear position and the bearing position of the supporting end on the main shaft at one time during processing to form an integrated structure, which is beneficial to improving the strength, the precision and the coaxiality of the winding drum, solves the problem of large jumping value in practical application and leads the use of customers to be more convenient; the expansion and contraction range of the winding drum can be changed by changing the angle of the inclined plane of the axial wedge, the stroke of the hydraulic cylinder and the height of the supporting spring. The utility model has simple integral structure, ensures the sector plate to be more stable when doing radial motion through the elastic action of the supporting spring group, and can not generate the phenomenon of jamming; the sliding plate on the axial wedge plays a role in protecting the axial wedge, the wear resistance of the axial wedge is improved, and lubricating oil is added to the sliding plate through the oil cup, so that the friction force between sector plates of the axial wedge is reduced, and the sliding of the axial wedge is smoother; whether the diameter increasing plate is added or not can be selected according to specific requirements, or the diameter increasing plates with different thicknesses can be selected, and the diameter size of the winding drum can be properly increased. The utility model discloses an application range is comparatively extensive, can be used for rewinding machine, aluminium strip rolling mill, finishing equipment, steel band to level, draw and rectify etc. and open and receive a roll equipment, operates steadily, and the value of beating is little, long service life, and the fault rate is low, maintains simply.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the minimum diameter of the roll;
FIG. 3 is a schematic structural view of the mandrel;
FIG. 4 is a top plan view of the sector plate;
FIG. 5 is a cross-sectional view of a sector plate;
FIG. 6 is a side view of the sector plate;
FIG. 7 is a schematic view of the construction of an axial wedge;
FIG. 8 is a side view of the crosshead;
FIG. 9 is an enlarged view of part A;
FIG. 10 is a partial structure diagram of the collapsible section and the supporting tail end.
In the figure: 1 mandrel, 2 pull rod, 3 rotary joint, 4 hydraulic cylinder, 5 supporting sleeve, 6 conical bearing, 7 sector plate, 8 crosshead, 9 mounting hole, 10 axial wedge, 11 inserting groove, 12 shifting fork, 13 front end sleeve, 14 spring hole 1, 15 first positioning spring group, 16 first pressing plate, 17 oil cup, 18 sliding plate, 19 thrust collar, 20 straight groove, 21 second sliding inclined plane, 22 first sliding inclined plane, 23 diameter increasing plate, 24 second pressing plate, 25 top surface, 26 connecting lug, 27 spring hole 2, 28 second positioning spring group, 29 transmission connecting section, 30 expanding and contracting section and 31 supporting tail section.
Detailed Description
The invention is further described with reference to the following figures and examples.
As shown in fig. 1-10, the compression spring type winding drum at two ends of an integral shaft structure comprises a mandrel 1, wherein the mandrel 1 sequentially comprises a transmission connecting section 29, a rolling plate expansion and contraction section 30 and a supporting tail section 31, the initial end of the transmission connecting section 29 is connected with a hydraulic cylinder 4 provided with a rotary joint 3, and the tail end of the supporting tail section 31 is connected with a supporting sleeve 5 through an assembled conical bearing 6.
A through hole for installing a pull rod 2 is formed in the mandrel 1, and a crosshead 8 is sleeved at the tail end of the pull rod 2; four straight grooves 20 are uniformly distributed on the coil expansion and contraction section 30 of the mandrel 1 along the circumferential direction, the tail ends of the straight grooves 20 are provided with cross-shaped through mounting holes 9, and the mounting holes 9 are rectangular; an axial wedge 10 is arranged in the straight groove 20, a plurality of first sliding inclined planes 22 are distributed on the upper surface of the axial wedge 10, and copper sliding plates 18 are respectively arranged on the first sliding inclined planes 22 and the bottom of the axial wedge 10; inserting grooves 11 are respectively arranged at the positions, corresponding to the mounting holes 9, on the bottom of the axial wedge 10. Four shifting forks of the crosshead 8 are respectively fixedly inserted into the inserting grooves 11 through corresponding mounting holes 9, so that the axial wedges 10 are fixedly connected with the four shifting forks of the crosshead 8, and the shifting forks 12 of the crosshead 8 are in axial movement in the mounting holes 9 when the pull rod 2 moves axially.
A front end sleeve 13 is fixedly connected above the front end of the supporting tail section 31, first positioning grooves are respectively arranged on the front end sleeve 13 at positions corresponding to the spring holes 27 at the tail end of the sector plate 7, a first positioning spring group 15 is arranged in each first positioning groove, and a first pressing plate 16 is arranged above each first positioning groove; a thrust ring 19 is arranged between the transmission connecting section 29 and the expansion and contraction section 30, second positioning grooves are respectively arranged on the thrust ring 19 at positions corresponding to the spring holes 27 at the starting end of the sector plate 7, a second positioning spring group 28 is arranged in each second positioning groove, and a second pressure plate 24 is arranged above each second positioning groove; the expansion and contraction of the reel is achieved by fitting the set of positioning springs 15 and 28 in the spring grooves 14 and 27 at the end and beginning of the sector plate 7, respectively, in correspondence therewith.
The outer arcs of the sector plates 7 can be respectively provided with a diameter increasing plate 23, and the sector plates 7 and the diameter increasing plates 23 are fixedly connected through positioning screws.
And the winding drum is clamped with a bearing position of a coiling machine at one time during true circle fine machining. And the bearing position, the gear position and the support end on the main shaft are processed together.
The mandrel is forged by 42CrMo alloy, is subjected to quenching and tempering, is formed by four straight grooves through numerical control machining, and a deep hole in the central hole of the mandrel is drilled through; the material of sector plate is 42CrMo alloy forging, quenching and tempering, and this structure can be used in the drum of driving in 570-610.
The utility model discloses a theory of operation: the pull rod 2 is arranged in a central through hole of the mandrel 1, four shifting forks of the crosshead 8 are respectively and fixedly arranged in the insertion grooves 11 of the axial wedge 10, the pull rod 2 is driven by the hydraulic cylinder 4 to move in the through hole in an extending and contracting manner, the axial wedge 10 is driven to axially slide in a straight groove 20 of the mandrel 1, the sector plate 7 is simultaneously pushed to move in a radial direction, and the expansion and contraction of the winding drum are realized under the auxiliary action of the positioning spring groups 15 and 28 and the pressing plate. When the winding drum is at the maximum diameter, the upper parts of the connecting lugs 26 at the two ends of the sector plate 7 are respectively in close contact with the bottom of the front end sleeve 13 or the bottom of the thrust ring 19, meanwhile, the supporting disc spring set 15 and the positioning disc spring set are both in a compressed state, and the sector plate 7 is prevented from further moving upwards under the action of the front end sleeve 13, the thrust ring 19 and the pressure plate; when the winding drum is at the minimum diameter, the connecting projections 26 at both ends of the sector plate 7 are separated from the front end sleeve 13 or the thrust ring 19, while the supporting disc spring assembly 15 is in a freely telescopic state, and the second sliding inclined surface 21 and the first sliding inclined surface 22 are completely in contact fit with each other.
When a steel strip or an aluminum strip is coiled, the winding drum is a true circle, the initial end of the winding drum is driven to rotate through the rotary joint 3, and the tail end of the winding drum rotates through the conical bearing 6 and the supporting sleeve 5; after the plate rolling is finished, the hydraulic cylinder 4 drives the pull rod 2 to do extension movement, so that the winding drum is contracted to the smallest circle, the winding drum is separated from the steel strip coil or the aluminum strip coil, and the steel strip coil or the aluminum strip coil is conveniently dismounted.
The apparatus elements referred to in the above embodiments are conventional apparatus elements unless otherwise specified, and the structural arrangements, operations, or controls referred to in the above embodiments are conventional in the art unless otherwise specified.
Finally, the above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting, and other modifications or equivalent replacements made by the technical solutions of the present invention by those of ordinary skill in the art should be covered within the scope of the claims of the present invention as long as they do not depart from the spirit and scope of the technical solutions of the present invention.
Claims (7)
1. A spring pressing type winding drum with two ends of an integrated shaft structure is characterized by comprising a mandrel, wherein the mandrel sequentially comprises a transmission connecting section, an expansion and contraction section and a supporting tail section, the initial end of the transmission connecting section is connected with a hydraulic cylinder provided with a rotary joint, and the tail end of the supporting tail section is connected with a supporting sleeve through an assembled conical bearing;
a through hole for installing a pull rod is formed in the mandrel, and a crosshead is sleeved at the tail end of the pull rod; four straight grooves are uniformly distributed on the expansion and contraction section of the mandrel along the circumferential direction, and cross-shaped penetrating mounting holes are formed in the tail ends of the straight grooves; an axial inclined wedge is arranged in the straight groove, a plurality of first sliding inclined planes are distributed on the upper surface of the axial inclined wedge, and inserting grooves are respectively formed in the positions, corresponding to the mounting holes, on the bottom of the axial inclined wedge; the four shifting forks of the crosshead are respectively and fixedly inserted into the inserting grooves through the corresponding mounting holes, so that the axial wedge is fixedly connected with the crosshead;
sector plates are respectively arranged above the axial wedges, each sector plate comprises an arc-shaped top surface and a second sliding inclined surface which is arranged corresponding to the first sliding inclined surface, and the top surfaces of the four sector plates form a cylinder after being assembled; connecting lugs are respectively arranged at two ends of the first sliding inclined plane of the sector plate, spring grooves are arranged in the connecting lugs, supporting spring groups are arranged in the spring grooves, and the natural height of each supporting spring group is greater than the depth of each spring groove;
a front end sleeve is fixedly connected above the front end of the supporting tail section, first positioning grooves are respectively arranged on the front end sleeve at positions corresponding to the spring grooves at the tail ends of the fan-shaped plates, a first positioning spring group is arranged in each first positioning groove, and a first pressing plate is arranged above each first positioning groove; a thrust ring is arranged between the transmission connecting section and the expansion and contraction section, second positioning grooves are respectively arranged on the thrust ring at positions corresponding to the spring grooves at the starting ends of the fan-shaped plates, second positioning spring groups are arranged in the second positioning grooves, and a second pressing plate is arranged above the second positioning grooves; the supporting spring groups in the spring grooves at the tail end and the initial end of the sector plate are respectively matched with the corresponding first positioning spring group and the second positioning spring group to realize the expansion and contraction of the winding drum;
and the winding drum is clamped with a bearing position, a gear position and a support end bearing position on a main shaft of the coiling machine at one time during true circle fine machining.
2. The integral axle structure end-spring loaded reel of claim 1, wherein said mounting hole is rectangular to allow axial movement of said cross head yoke within said mounting hole.
3. The integrated shaft structure both-end spring-loaded reel as claimed in claim 1, wherein copper sliding plates are respectively provided on the bottom of the axial wedge and the second sliding slope.
4. The integrated shaft structure both-end spring-loaded reel of claim 1, wherein a plurality of oil cups are provided on the sector plate, and the bottom of the oil cups are in communication with the second sliding slope.
5. The integrated shaft structure both-end spring loaded reel of claim 1, wherein the first sliding slope and the second sliding slope are both inclined at an angle of 15 °.
6. The integrated shaft structure both-end spring loaded reel of claim 1, wherein both sides of said sector plate are tooth-shaped and wavy.
7. The integral shaft structure two-end pressure spring type winding drum according to claim 1, wherein the outer arc surfaces of the sector plates are respectively provided with a diameter increasing plate, and the sector plates and the diameter increasing plates are fixedly connected through positioning screws.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922397992.7U CN211444556U (en) | 2019-12-27 | 2019-12-27 | Spring-pressing type winding drum at two ends of integrated shaft structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922397992.7U CN211444556U (en) | 2019-12-27 | 2019-12-27 | Spring-pressing type winding drum at two ends of integrated shaft structure |
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| Publication Number | Publication Date |
|---|---|
| CN211444556U true CN211444556U (en) | 2020-09-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922397992.7U Active CN211444556U (en) | 2019-12-27 | 2019-12-27 | Spring-pressing type winding drum at two ends of integrated shaft structure |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112894781A (en) * | 2021-01-15 | 2021-06-04 | 林亚平 | Inward-retracting type soft robot |
| CN113441572A (en) * | 2021-07-30 | 2021-09-28 | 成都焊科机器人有限公司 | Barrel trimmer |
-
2019
- 2019-12-27 CN CN201922397992.7U patent/CN211444556U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112894781A (en) * | 2021-01-15 | 2021-06-04 | 林亚平 | Inward-retracting type soft robot |
| CN112894781B (en) * | 2021-01-15 | 2022-09-16 | 深圳市德宝荣科技有限公司 | Inward-retracting type soft robot |
| CN113441572A (en) * | 2021-07-30 | 2021-09-28 | 成都焊科机器人有限公司 | Barrel trimmer |
| CN113441572B (en) * | 2021-07-30 | 2023-09-29 | 成都焊科机器人有限公司 | Barrel shaping machine |
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