CN217393356U

CN217393356U - Oil pressure expanding and shrinking mechanism of uncoiler

Info

Publication number: CN217393356U
Application number: CN202221324273.8U
Authority: CN
Inventors: 戴清华
Original assignee: Hunan Qinchao Intelligent Equipment Co ltd
Current assignee: Hunan Qinchao Intelligent Equipment Co ltd
Priority date: 2022-05-30
Filing date: 2022-05-30
Publication date: 2022-09-09
Anticipated expiration: 2032-05-30

Abstract

The utility model provides an uncoiler oil pressure expands mechanism that contracts, including hydro-cylinder, main shaft, quick-witted case and the subassembly that contracts that expands, the hydro-cylinder is installed in the first end of main shaft, and the second end fixed connection rotary joint of main shaft, rotary joint rotate and connect fixed joint, select adapter and fixed joint to be inside cavity and communicate mutually, and fixed joint can realize the business turn over of hydraulic oil, installs oil pipe in the main shaft, oil pipe respectively with rotary joint with the hydro-cylinder intercommunication, main shaft second end are installed at quick-witted incasement, cylinder drive expand the subassembly that contracts and realize the change of diameter size. The utility model creatively arranges the oil cylinder on the main shaft at one end far away from the case, and realizes oil inlet and outlet by connecting the oil cylinder through the fixed joint, the rotary joint and the oil pipe, thereby driving the oil cylinder to move, solving the problem of insufficient space in the case, and the main shaft can freely rotate without being limited by the oil pipe; in addition, the oil cylinder positioned at the front end of the main shaft can directly drive the sleeve to move, a push rod is not needed, the structure is simpler, more convenient and more reliable, and the cost is saved.

Description

Oil pressure expanding and shrinking mechanism of uncoiler

Technical Field

The utility model relates to a double-end decoiler equipment field, in particular to decoiler oil pressure expands mechanism that contracts.

Background

The uncoiler, also known as a material rack and a material loading rack, is a device specially designed for uncoiling a metal coiled material, can be used for uncoiling and coiling the metal coiled material, is widely applied to the fields of household appliances, automobiles, hardware, electronics and the like, greatly improves the production capacity of enterprises, and reduces the expenditure of labor cost.

The uncoiler is provided with a material supporting roller for placing a steel coil. The material supporting roller is provided with an expansion and contraction mechanism, the expansion and contraction mechanism enables the material supporting roller to be matched with steel coils with different radiuses, and the expansion and contraction mechanism generally adopts a manual expansion and oil pressure expansion mode. In the prior art, the oil cylinder is generally arranged at the rear end of the main shaft, namely at one end of the case, and because the rotating system of the main shaft needs to be arranged in the case, the space is insufficient, and the arrangement of equipment in the case is more sensitive to the elbow due to the addition of the oil cylinder; moreover, the oil cylinder at the rear end drives the expansion and contraction assembly at the front end, and the expansion and contraction assembly needs to be connected with the drive through the push rod, so that the push rod can increase the instability of the equipment in use and increase the manufacturing cost.

It should be noted that the above background description is only for the convenience of clear and complete description of the technical solutions of the present application and for the understanding of those skilled in the art. Such solutions are not considered to be known to the person skilled in the art merely because they have been set forth in the background section of the present application.

SUMMERY OF THE UTILITY MODEL

The utility model aims at overcoming prior art's not enough, provide an uncoiler oil pressure expands mechanism that contracts to solve the limited problem in chassis space among the current oil pressure expands the device that contracts, can reduce the manufacturing cost that the oil pressure expanded the device that contracts simultaneously, guarantee the free rotation of main shaft.

In order to achieve the purpose, the utility model provides an uncoiler oil pressure expands mechanism that contracts, include hydro-cylinder, main shaft, quick-witted case and expand the subassembly that contracts, the hydro-cylinder is installed the first end of main shaft, the second end fixed connection rotary joint of main shaft, rotary joint rotates and connects fixed joint, select the adapter with fixed joint is inside cavity and intercommunication each other, fixed joint can realize the business turn over of hydraulic oil, install oil pipe in the main shaft, oil pipe respectively with rotary joint with the hydro-cylinder intercommunication, the main shaft second end is installed quick-witted incasement, oil cylinder drive expand the subassembly that contracts and realize the change of diameter size.

Further, the expansion and contraction assembly comprises a sleeve and a plurality of arc-shaped plates, the sleeve is connected to the main shaft in a sliding mode, the sleeve is fixedly connected with a piston rod of the oil cylinder, and the sleeve is movably connected with the arc-shaped plates through inclined sliding blocks.

Furthermore, the inclined slide block comprises an inner inclined wedge block and an outer inclined wedge block, the inner inclined wedge block is fixedly connected with the arc-shaped plate, the outer inclined wedge block is fixedly connected with the sleeve, the outer inclined wedge block is slidably connected with the inclined surface of the inner inclined wedge block, a support plate is mounted on the main shaft, and the support plate is vertically slidably connected with the inner inclined wedge block.

Furthermore, the arc-shaped plate and the supporting plate are correspondingly provided with four groups.

Furthermore, a piston rod of the oil cylinder is fixedly connected with a connecting seat, and the sleeve is fixedly connected with the connecting seat.

Further, an oil outlet and an oil inlet are formed in the fixed joint, and the oil outlet and the oil inlet are communicated with the inner cavity of the fixed joint.

Furthermore, the main shaft is fixedly sleeved with a rear bearing and a front bearing at a position close to the second end, and the main shaft is rotatably connected in the case through the rear bearing and the front bearing.

Furthermore, a driven wheel is fixedly sleeved between the front bearing and the rear bearing, and a speed reduction motor is arranged in the case to drive the driven wheel to rotate.

The above technical scheme of the utility model has following beneficial effect:

the oil pressure expansion and contraction mechanism of the uncoiler creatively arranges the oil cylinder on the main shaft at one end far away from the case, and the oil cylinder is communicated through the fixed joint, the rotary joint and the oil pipe to realize oil inlet and outlet, so that the normal output driving force of the oil cylinder is ensured, the problem of insufficient space in the case can be solved, and the oil pressure expansion and contraction mechanism is particularly suitable for the condition of limited space of the uncoiler;

the utility model can fix the oil inlet and outlet through the rotary joint and the fixed joint, but the oil pipe can freely rotate along with the main shaft, so that the main shaft can freely rotate without being limited by the oil pipe, and the oil supply is stable and reliable; in addition, the oil cylinder positioned at the front end of the main shaft can directly drive the sleeve to move, a push rod is not needed, the structure is simpler, more convenient and more stable, and the manufacturing and maintenance cost is saved.

Drawings

Fig. 1 is a schematic perspective view of the present invention;

fig. 2 is a top view of the overall structure of the present invention;

fig. 3 is a cross-sectional view of the overall structure of the present invention.

[ description of reference ]

1-oil cylinder; 2-a main shaft; 3-a rear bearing; 4-a front bearing; 5-a sleeve; 6-arc-shaped plate; 7-fixing the joint; 71-an oil outlet; 72-an oil inlet; 8-driven wheel; 9-a rotary joint; 10-oil pipe; 11-a support plate; 12-inner wedge; 13-outer tapered wedge; 14-connecting seat.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention. The various features and embodiments described in the detailed description may be combined in any suitable manner, for example, different embodiments may be formed by combining different features/embodiments, and various combinations of features/embodiments are not separately described in order to avoid unnecessary repetition in the present disclosure.

It should be noted that the terms "disposed" and "connected" should be interpreted broadly, and may be, for example, directly disposed, installed, connected, or indirectly disposed and connected through intervening components and intervening structures. In addition, the directions or positional relationships indicated in the present invention, such as "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., are based on the directions or positional relationships shown in the drawings or the conventional placing states or using states, and are only for convenience of description and simplification of description, but do not indicate or imply that the structure, feature, device or element referred to must have a specific direction, be constructed and operated in a specific direction, and thus, should not be construed as limiting the present invention.

As shown in fig. 1-3, the utility model provides an uncoiler oil pressure expands mechanism that contracts, including hydro-cylinder 1, main shaft 2, quick-witted case and the subassembly that contracts that expands, hydro-cylinder 1 installs in the first end of main shaft 2, the second end fixed connection rotary joint 9 of main shaft 2, rotary joint 9 rotates and connects fixed joint 7, selects rotary joint 9 and fixed joint 7 to be the internal cavity and communicate each other, has seted up oil-out 71 and oil inlet 72 on the fixed joint 7, oil-out 71 and oil inlet 72 all communicate with the internal cavity of fixed joint 7; an oil pipe 10 is arranged in the main shaft, and the oil pipe 10 is respectively communicated with the rotary joint 9 and the oil cylinder 1. Hydraulic oil is conveyed into a cavity of the fixed joint 7 through the oil inlet 71, then is conveyed into the oil cylinder 1 through the rotary joint 9 and the oil pipe 10 to drive the piston rod to move, a loop of the hydraulic oil is opposite to an inlet route, and finally is output from the oil outlet 72. The rotary joint 9 is rotationally connected with the fixed joint 7, and the oil pipe 10 and the oil cylinder 1 are kept relatively static when the main shaft 2 rotates, so that the free rotation of the main shaft 2 is not limited by the oil pipe 10.

In this embodiment, the main shaft 2 is close to the second end and fixedly connected with the rear bearing 3 and the front bearing 4 in a sleeved mode, the main shaft 2 is rotatably connected in the case through the rear bearing 3 and the front bearing 4, the driven wheel 8 is fixedly connected between the front bearing 4 and the rear bearing 3 in a sleeved mode, the reduction motor is arranged in the case to drive the driven wheel 8 to rotate, and the driven wheel 8 drives the main shaft 2 to rotate.

In the present embodiment, the oil cylinder 1 is used for driving the expansion and contraction assembly to change the diameter: the expansion and contraction assembly comprises a sleeve 5 and a plurality of arc-shaped plates 6, the four arc-shaped plates 6 are preferably selected, stable support for the steel coil can be guaranteed, and the cost is low; sleeve 5 sliding connection is on main shaft 2, and the piston rod fixedly connected with connecting seat 14 of hydro-cylinder 1, sleeve 5 with connecting seat 14 fixed connection, the piston rod accessible connecting seat 14 of hydro-cylinder 1 and the direct fixed connection of sleeve 5 need not the push rod and transmit drive power, have simplified the drive structure, have reduced the manufacturing cost of device, have still promoted the stability of drive structure simultaneously, the later stage of being convenient for is used and is maintained.

Further, the sleeve 5 is movably connected with the arc-shaped plate 6 through an inclined sliding block: the inclined slide block comprises an inner inclined wedge block 12 and an outer inclined wedge block 13, the inner inclined wedge block 12 is fixedly connected with the arc-shaped plate 6, the outer inclined wedge block 13 is fixedly connected with the sleeve 6, the outer inclined wedge block 13 is slidably connected with the inclined surface of the inner inclined wedge block 12, preferably, the outer inclined wedge block 13 and the inner inclined wedge block 12 are slidably connected with a slide rail through T-shaped slide grooves, and therefore sliding can be guaranteed, and the outer inclined wedge block 13 and the inner inclined wedge block 12 cannot be disengaged from each other in sliding; the main shaft 2 is provided with support plates 11, the positions and the number of the support plates 11 correspond to those of the arc-shaped plates 6, and the support plates 11 are vertically and slidably connected with the inner tapered wedge blocks 12.

When the device is used specifically, hydraulic oil is transmitted into the oil cylinder 1 through the oil inlet pipe 72, the oil pipe 10 and other devices, the oil cylinder 1 drives the connecting seat 14 to drive the sleeve 5 to move on the main shaft 2 along the axial direction, and the sleeve 5 drives the outer tapered wedge block 13 and the inner tapered wedge block 12 to slide relatively, so that the change of the relative height of the outer tapered wedge block 13 and the inner tapered wedge block 12 is realized, the arc-shaped plate 6 is driven to move along the radial direction, and the steel coils with different inner diameters can be fixed by the arc-shaped plate 6.

The foregoing is a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the principle of the present invention, and these improvements and decorations should also be regarded as the protection scope of the present invention.

Claims

1. The utility model provides an uncoiler oil pressure expands mechanism that contracts, includes hydro-cylinder (1), main shaft (2), quick-witted case and expands the subassembly that contracts, its characterized in that, hydro-cylinder (1) is installed the first end of main shaft (2), the second end fixed connection rotary joint (9) of main shaft (2), rotary joint (9) are rotated and are connected fixed joint (7), rotary joint (9) with fixed joint (7) are the inside cavity and communicate each other, the business turn over of hydraulic oil can be realized in fixed joint (7), install oil pipe (10) in main shaft (2), oil pipe (10) respectively with rotary joint (9) with hydro-cylinder (1) intercommunication, main shaft (2) second end is installed in the quick-witted case, hydro-cylinder (1) drive expand the subassembly that contracts and realize the change of diameter size.

2. The oil pressure expanding and contracting mechanism of the uncoiler according to claim 1, characterized in that the expanding and contracting assembly comprises a sleeve (5) and a plurality of arc-shaped plates (6), the sleeve (5) is slidably connected to the main shaft (2), the sleeve (5) is fixedly connected with a piston rod of the oil cylinder (1), and the sleeve (5) is movably connected with the arc-shaped plates (6) through inclined sliding blocks.

3. An oil pressure expanding and contracting mechanism of an uncoiler according to claim 2, wherein the inclined slide block comprises an inner inclined wedge block (12) and an outer inclined wedge block (13), the inner inclined wedge block (12) is fixedly connected with the arc-shaped plate (6), the outer inclined wedge block (13) is fixedly connected with the sleeve (5), the outer inclined wedge block (13) is slidably connected with the inclined surface of the inner inclined wedge block (12), a support plate (11) is mounted on the main shaft (2), and the support plate (11) is vertically slidably connected with the inner inclined wedge block (12).

4. An oil pressure expanding and contracting mechanism of an uncoiler according to claim 3, wherein four sets of arc-shaped plates (6) and the supporting plates (11) are arranged correspondingly.

5. The oil pressure expanding and contracting mechanism of the uncoiler according to claim 2, wherein a connecting seat (14) is fixedly connected to a piston rod of the oil cylinder (1), and the sleeve (5) is fixedly connected with the connecting seat (14).

6. The oil pressure expanding and contracting mechanism of the uncoiler according to claim 1, wherein an oil outlet (71) and an oil inlet (72) are formed in the fixed joint (7), and both the oil outlet (71) and the oil inlet (72) are communicated with an internal cavity of the fixed joint (7).

7. The oil pressure expanding and contracting mechanism of the uncoiler according to claim 1, wherein the main shaft (2) is fixedly sleeved with a rear bearing (3) and a front bearing (4) near the second end, and the main shaft (2) is rotatably connected in the cabinet through the rear bearing (3) and the front bearing (4).

8. The oil pressure expanding and contracting mechanism of the uncoiler according to claim 7, wherein a driven wheel (8) is fixedly sleeved between the front bearing (4) and the rear bearing (3), and a speed reducing motor is arranged in the case to drive the driven wheel (8) to rotate.