CN201447271U

CN201447271U - Winding shaft

Info

Publication number: CN201447271U
Application number: CN2009200482009U
Authority: CN
Inventors: 宋伯祥
Original assignee: JIANGYIN SHENGANG TELECOMMUNICATION EQUIPMENT FACTORY
Current assignee: JIANGYIN SHENGANG TELECOMMUNICATION EQUIPMENT FACTORY
Priority date: 2009-08-31
Filing date: 2009-08-31
Publication date: 2010-05-05
Anticipated expiration: 2019-08-31

Abstract

The utility model discloses a winding shaft, which comprises a plurality of cup rings which are mounted on a main shaft which is provided with an air inlet channel in series, the outer lateral surfaces of the first ring-shaped cover board and the second ring-shaped cover board are both connected with a second friction piece, the outer periphery of the main shaft is provided with at least three axial friction strip grooves which are circumferentially and evenly distributed, friction strips are arranged in the friction strip grooves, the bottom ends of the friction strip grooves are further evenly distributed with a plurality of radical piston holes, a piston which is provided with a piston seal ring is mounted in each radical piston hole, one end of the radical piston hole is communicated with the air inlet channel, and the other end is the inlet and the outlet of the piston, the piston can be pressed with the friction strip, or the outer periphery of the main shaft is provided with at least three axial friction strip grooves which are circumferentially and evenly distributed, friction strips and gasbags are arranged in the friction strip groove, and the gasbags are arranged on the bottom of the friction strip grooves. The winding shaft has the advantages of firm tension, big regulating scope of winding expansion force and wide use range.

Description

Winding off spindle

Technical field

The utility model relates to the string that a kind of and mechanical equipment coordination use and adorns pneumatic winding off spindle, especially is fit to be configured in to the cutting of plastics, packing, paper and ultrathin metallic membrane etc., rolling, unreels on the mechanical equipment with rewinding.

Background technology

At present, it is to adopt air sac rolling mode that the domestic and imported winding off spindle that uses on the market has multiple, want the swelling paper tube, plastic pipe or steel pipe all must be inflated in advance, be that initial rolling expansive force can not be zero, just can not guarantee the swelling paper tube if the rolling expansive force is less, plastic pipe or steel pipe, and adopt the above later winding off spindle of pre-inflation because initial expansive force is big, therefore during the thin or narrower material of rolling, can make material very easily produce fracture, and the easy loss of the part of the friction pair of above-mentioned winding off spindle, replacing frequently causes service expenditure to strengthen, and the minimum width of above-mentioned rolling generally about 30mm, has had a strong impact on its range of use.

Summary of the invention

The purpose of this utility model is to provide the winding off spindle that a kind of swelling is firm, rolling expansive force setting range is big and range of use is wide.

The first kind of technical scheme that realizes above-mentioned purpose is: a kind of winding off spindle, it is to be contained on the main shaft that has free air diffuser by a plurality of packing strings to constitute, packing comprises packing seat, arc shaped slider, attaching parts and first friction member, the packing seat is provided with the circumferential slider groove, be equipped with the arc inclined hole on the convex shoulder of circumferential slider groove both sides, the corresponding arc inclined hole on the convex shoulder of circumferential slider groove both sides axially connects; Has the attaching parts hole on the arc shaped slider of packing, arc shaped slider and slide block slot cunning are joined, attaching parts passes attaching parts hole and two ends and is positioned at corresponding arc inclined hole on the convex shoulder, have one or more outer end on the arc shaped slider the radially first friction member hole of reducing is arranged, in the first friction member hole elastic component is housed, also movable first friction member that is combined with the arc-shaped outer surface that to give prominence to arc shaped slider in the first friction member hole; The restricted connector shaft of left and right sides difference captive joint of the packing seat of packing is to first annular cover plate and second annular cover plate of displacement; All be fitted with second friction member on the lateral surface of described first annular cover plate and second annular cover plate; The periphery of described main shaft is provided with at least three circumferential well-distributed axial rub bar grooves, has fricting strip in the fricting strip groove, the bottom of fricting strip groove also is evenly distributed with several radial piston holes, the piston of band piston packing ring all is housed in each radial piston hole, one end in radial piston hole is communicated with free air diffuser, the other end is the manhole appendix of piston, and piston can offset with fricting strip.

Free air diffuser on the described main shaft is the duct that radial hole and axial hole are linked to be.

The periphery of described main shaft is provided with four axial rub bar grooves.

Described first friction member is ball or half-round head screw, and described elastic component is a spring, and an end and first friction member of elastic component offset, and the other end and screw offset, and screw is threaded with the inner in the first friction member hole.

All have on the lateral surface of described first annular cover plate and second annular cover plate and can carry out spacing positive stop lug boss, and first annular cover plate and second annular cover plate are connected the packing seat both sides of packing respectively by screw retention second friction member.

The second kind of technical scheme that realizes above-mentioned purpose is: a kind of winding off spindle, it is to be contained on the main shaft by a plurality of packing strings to constitute, packing comprises packing seat, arc shaped slider, attaching parts and first friction member, the packing seat is provided with the circumferential slider groove, be equipped with the arc inclined hole on the convex shoulder of circumferential slider groove both sides, the corresponding arc inclined hole on the convex shoulder of circumferential slider groove both sides axially connects; Has the attaching parts hole on the arc shaped slider of packing, arc shaped slider and slide block slot cunning are joined, attaching parts passes attaching parts hole and two ends and is positioned at corresponding arc inclined hole on the convex shoulder, have one or more outer end on the arc shaped slider the radially first friction member hole of reducing is arranged, in the first friction member hole elastic component is housed, also movable first friction member that is combined with the arc-shaped outer surface that to give prominence to arc shaped slider in the first friction member hole; The restricted connector shaft of left and right sides difference captive joint of the packing seat of packing is to first annular cover plate and second annular cover plate of displacement; All be fitted with second friction member on the lateral surface of described first annular cover plate and second annular cover plate; The periphery of described main shaft is provided with at least three circumferential well-distributed axial rub bar grooves, has fricting strip and air bag in the fricting strip groove, and air bag is positioned at the bottom of fricting strip groove.

After adopting the structure of above-mentioned two kinds of technical schemes, because piston or air bag are ejected after inflation and are tight against with fricting strip, the internal diameter of cylindrical that arc shaped slider constituted on the packing and rolling core pipe is approaching, a plurality of packings rotate synchronously by the friction force and the main shaft of fricting strip, then with hand steered firmly rolling core pipe, make rolling core pipe along with the counter-rotation of main shaft rotation direction, by the arc shaped slider swelling, so swelling is firm until rolling core pipe; Again because the utility model just can carry out swelling rolling core pipe by the mode of mechanical swelling before work, as long as regulate the height of compressed air pressure, just can regulate the rolling expansive force at any time, rolling expansive force setting range is big, regulate different rolling expansive forces, just can be used for various materials of rolling and specification, range of use is wide.

Description of drawings

Fig. 1 is the structural representation of first kind of embodiment of the present utility model;

Fig. 2 is the A-A cross-sectional schematic among Fig. 1;

Fig. 3 is the B-B cross-sectional schematic among Fig. 1;

Fig. 4 is the structural representation of packing seat among Fig. 1;

Fig. 5 is the C-C cutaway view among Fig. 4;

Fig. 6 is the structural representation of annular cover plate among Fig. 1;

Fig. 7 is the D-D cutaway view of Fig. 6;

Fig. 8 is the D-D cutaway view of Fig. 6;

Fig. 9 is the arc shaped slider structural representation;

Figure 10 is the E-E cutaway view of Fig. 9;

Figure 11 is the schematic perspective view of piston among Fig. 1;

Figure 12 is the cross-sectional schematic of main shaft among Fig. 1;

Figure 13 is the birds-eye view of Figure 11;

Figure 14 is that the rolling core pipe box of Fig. 3 is contained in the structure cutaway view on the main shaft;

Figure 15 is the structure cutaway view of rolling core pipe swelling on main shaft of Figure 13;

Figure 16 is the structural representation of second kind of embodiment of the present utility model.

The specific embodiment

The embodiment that provides below in conjunction with accompanying drawing is described in further detail the utility model.

Be depicted as first kind of embodiment of the present utility model as 1～15: a kind of winding off spindle, it is to be contained on the main shaft 5 that has free air diffuser 5-1 by a plurality of packing 2 strings to constitute, packing 2 comprises packing seat 2-1, arc shaped slider 2-2, attaching parts 2-3 and the first friction member 2-4, packing seat 2-1 is provided with circumferential slider groove 2-1-1, be equipped with arc inclined hole 2-7-1 on the convex shoulder 2-7 of circumferential slider groove 2-1-1 both sides, the corresponding arc inclined hole 2-7-1 on the convex shoulder 2-7 of circumferential slider groove 2-1-1 both sides axially connects; Has attaching parts hole 2-2-1 on the arc shaped slider 2-2 of packing 2, arc shaped slider 2-2 and slide block 2-1-1 are sliding to be joined, attaching parts 2-3 passes attaching parts hole 2-2-1 and two ends and is positioned at corresponding arc inclined hole 2-7-1 on the convex shoulder 2-7, have one or more outer end on the arc shaped slider 2-2 the radially first friction member hole 2-2-2 of reducing is arranged, the also movable first friction member 2-4 that is combined with the arc-shaped outer surface that can give prominence to arc shaped slider 2-2 among elastic component 7, the first friction member hole 2-2-2 is housed among the first friction member hole 2-2-2; The left and right sides of the packing seat 2-1 of packing 2 is the first annular cover plate 2-5 and the second annular cover plate 2-6 of the restricted attaching parts 2-3 of captive joint longitudinal travel respectively; All be fitted with second friction member 4 on the lateral surface of the described first annular cover plate 2-5 and the second annular cover plate 2-6; The periphery of described main shaft 5 is provided with at least three circumferential well-distributed axial rub bar groove 5-3, has fricting strip 3 in the fricting strip groove 5-3, the bottom of fricting strip groove 5-3 also is evenly distributed with several radial piston holes 5-4, the piston 1 of band piston packing ring 5-4-1 all is housed in each radial piston hole 5-4, the end of radial piston hole 5-4 is communicated with free air diffuser 5-1, the other end is the manhole appendix of piston 1, and piston 1 can offset with fricting strip 3.

Shown in Fig. 1,2,3,12,14,15, in order to allow free air diffuser 5 be communicated with each piston hole 5-4, the free air diffuser 5-1 on the described main shaft 5 is the duct that radial hole and axial hole are linked to be.

Shown in Fig. 2,3,11,13, the periphery of described main shaft 5 is provided with four axial rub bars of circumferential well-distributed groove 5-3.

Shown in Fig. 1,2,15, for the assembling first friction member 2-4 on arc shaped slider 2-2, the described first friction member 2-4 is ball or half-round head screw, described elastic component 7 is spring or rubber etc., one end of elastic component 7 and the first friction member 2-4 offset, the other end and screw 8 offset, and screw 8 is threaded with the inner of the first friction member hole 2-2-2.

Shown in Fig. 1,2,3,4,5,7, in order to allow second friction member 4 be connected with the second annular cover plate 2-6 and to allow the first annular cover plate 2-5 captive joint with packing seat 2-1 with the second annular cover plate 2-6 with the first annular cover plate 2-5, all have on the lateral surface of the described first annular cover plate 2-5 and the second annular cover plate 2-6 and can carry out spacing positive stop lug boss 2-8, and the first annular cover plate 2-5 and the second annular cover plate 2-6 are connected the packing seat 2-1 both sides of packing 2 respectively by screw retention second friction member 4.

Shown in Figure 13,14, first embodiment of the present utility model is contained on the main shaft 5 that has free air diffuser 5-1 by a plurality of packing 2 strings to constitute.

It is second kind of embodiment of the present utility model as shown in figure 16: a kind of winding off spindle, it is to be contained on the main shaft 5 by a plurality of packing 2 strings to constitute, packing 2 comprises packing seat 2-1, arc shaped slider 2-2, attaching parts 2-3 and the first friction member 2-4, packing seat 2-1 is provided with circumferential slider groove 2-1-1, be equipped with arc inclined hole 2-7-1 on the convex shoulder 2-7 of circumferential slider groove 2-1-1 both sides, the corresponding arc inclined hole 2-7-1 on the convex shoulder 2-7 of circumferential slider groove 2-1-1 both sides axially connects; Has attaching parts hole 2-2-1 on the arc shaped slider 2-2 of packing 2, arc shaped slider 2-2 and slide block 2-1-1 are sliding to be joined, attaching parts 2-3 passes attaching parts hole 2-2-1 and two ends and is positioned at corresponding arc inclined hole 2-7-1 on the convex shoulder 2-7, have one or more outer end on the arc shaped slider 2-2 the radially first friction member hole 2-2-2 of reducing is arranged, the also movable first friction member 2-4 that is combined with the arc-shaped outer surface that can give prominence to arc shaped slider 2-2 among elastic component 7, the first friction member hole 2-2-2 is housed among the first friction member hole 2-2-2; The left and right sides of the packing seat 2-1 of packing 2 is the restricted first annular cover plate 2-5 and the second annular cover plate 2-6 that encloses 1 longitudinal travel surely of captive joint respectively; All be fitted with second friction member 4 on the lateral surface of the described first annular cover plate 2-5 and the second annular cover plate 2-6; The periphery of described main shaft 5 is provided with at least three axial rub bars of circumferential well-distributed groove 5-3, has fricting strip 3 and air bag 6 in the fricting strip groove 5-3, and air bag 6 is positioned at the bottom of fricting strip groove 5-3.

All the other structures of second kind of embodiment of the present utility model are identical with the structure of first kind of embodiment:

Shown in Fig. 1,2,15, the described first friction member 2-4 is ball or half-round head screw, and described elastic component 7 is spring or rubber etc., and an end of elastic component 7 and the first friction member 2-4 offset, the other end and screw 8 offset, and screw 8 is threaded with the inner of the first friction member hole 2-2-2.

Shown in Fig. 1,2,3,4,5,7, all have on the lateral surface of the described first annular cover plate 2-5 and the second annular cover plate 2-6 and can carry out spacing positive stop lug boss 2-8, and the first annular cover plate 2-5 and the second annular cover plate 2-6 are connected the packing seat 2-1 both sides of packing 2 respectively by screw retention second friction member 4.

First kind of embodiment of the utility model in use, the tail end of main shaft 5 is provided with spring, and prop up spring with nut, pressurized air is by the piston 1 among the piston hole 5-4 of the free air diffuser 5-1 promotion main shaft 5 of main shaft 5, piston 1 can offset with fricting strip 3 when being subjected to the gaseous tension of free air diffuser 5-1, four pistons 1 of this piston 1 for distributing, after charging into pressurized air, piston 1 is ejected and contacts with fricting strip 3 in the fricting strip groove 5-3 of main shaft 5, expansive force by piston 1 generation, packing 2 can be synchronously rotated along with main shaft 5; As shown in figure 13, the utility model winding off spindle puts rolling core pipe 11; Then along the opposite spin rolling core pipe 11 of main shaft 5 rotation directions, the friction member 2-4 of the curved upper surface on the arc shaped slider 2-2 and rolling core pipe 11 inwall wipe contacts, make arc shaped slider 2-2 in arc inclined hole 2-7-1, move by attaching parts 2-3, and the diameter that makes the cylindrical that constitutes after three arc shaped slider 2-2 assembly unit becomes big, the arc-shaped outer surface and rolling core pipe 11 inner tubal walls that reach arc shaped slider 2-2 are tight against, last swelling rolling core pipe 11, main shaft 5 rotates on back fricting strip 3 drive packings 2 and the packing 2 and is rotated by the rolling core pipe 11 of swelling, reaches the work purpose.

Second kind of embodiment of the present utility model adopts the piston 1 among first kind of embodiment of air bag 6 replacements in use, and air bag 6 can reach the effect of piston 1 equally after inflation, and other steps are identical with first kind of embodiment.

The utility model is in use because piston 1 or air bag 6 is ejected after inflation and be tight against with fricting strip 3, a plurality of packings 2 rotate synchronously by the friction force and the main shaft 5 of fricting strip 3, then with hand steered firmly rolling core pipe 11, make the counter-rotation of rolling core pipe 11 along with main shaft 5 rotation directions, by arc shaped slider 2-2 swelling, so swelling is firm until rolling core pipe 11; Again because the utility model just can carry out swelling rolling core pipe 11 by the mode of mechanical swelling before work, as long as regulate the height of compressed air pressure, just can regulate the rolling expansive force at any time, rolling expansive force setting range is big, regulate different rolling expansive forces, just can be used for various materials of rolling and specification, range of use is wide.

The quantity of piston hole 5-4 of the present utility model and piston 1 can be formulated according to user's request; The width of packing 2 also can be formulated according to user's request, the narrowlyest can make 12mm, and particularly suitable batches material in a narrow margin.

Claims

1. winding off spindle, it is to be contained in the main shaft (5) that has free air diffuser (5-1) by a plurality of packings (2) string to go up formation, packing (2) comprises packing seat (2-1), arc shaped slider (2-2), attaching parts (2-3) and first friction member (2-4), packing seat (2-1) is provided with circumferential slider groove (2-1-1), be equipped with arc inclined hole (2-7-1) on the convex shoulder (2-7) of circumferential slider groove (2-1-1) both sides, the corresponding arc inclined hole (2-7-1) on the convex shoulder (2-7) of circumferential slider groove (2-1-1) both sides axially connects; Has attaching parts hole (2-2-1) on the arc shaped slider (2-2) of packing (2), arc shaped slider (2-2) is joined with slide block slot (2-1-1) is sliding, attaching parts (2-3) passes attaching parts hole (2-2-1) and two ends and is positioned at corresponding arc inclined hole (2-7-1) on the convex shoulder (2-7), have one or more outer end on the arc shaped slider (2-2) the radially first friction member hole (2-2-2) of reducing is arranged, in the first friction member hole (2-2-2) elastic component (7) is housed, goes back first friction member (2-4) that activity is combined with the arc-shaped outer surface that can give prominence to arc shaped slider (2-2) in the first friction member hole (2-2-2); The left and right sides of the packing seat (2-1) of packing (2) is first annular cover plate (2-5) and second annular cover plate (2-6) of the restricted attaching parts of captive joint (2-3) longitudinal travel respectively; It is characterized in that:

All be fitted with second friction member (4) on the lateral surface of a, described first annular cover plate (2-5) and second annular cover plate (2-6);

The periphery of b, described main shaft (5) is provided with at least three circumferential well-distributed axial rub bar grooves (5-3), has fricting strip (3) in the fricting strip groove (5-3), the bottom of fricting strip groove (5-3) also is evenly distributed with several radial piston holes (5-4), the piston (1) of band piston packing ring (5-4-1) all is housed in each radial piston hole (5-4), one end in radial piston hole (5-4) is communicated with free air diffuser (5-1), the other end is the manhole appendix of piston (1), piston (1) can and fricting strip (3) offset.

2. winding off spindle according to claim 1 is characterized in that: the free air diffuser (5-1) on the described main shaft (5) is the duct that radial hole and axial hole are linked to be.

3. winding off spindle according to claim 1 is characterized in that: the periphery of described main shaft (5) is provided with four axial rub bar grooves (5-3).

4. winding off spindle according to claim 1, it is characterized in that: described first friction member (2-4) is ball or half-round head screw, described elastic component (7) is a spring, one end of elastic component (7) and first friction member (2-4) offset, the other end and screw (8) offset, and screw (8) is threaded with the inner in the first friction member hole (2-2-2).

5. winding off spindle according to claim 1, it is characterized in that: all have on the lateral surface of described first annular cover plate (2-5) and second annular cover plate (2-6) and can carry out spacing positive stop lug boss (2-8), and first annular cover plate (2-5) and second annular cover plate (2-6) are connected packing seat (2-1) both sides of packing (2) respectively by screw retention second friction member (4).

6. winding off spindle, it is to be contained in main shaft (5) by a plurality of packings (2) string to go up formation, packing (2) comprises packing seat (2-1), arc shaped slider (2-2), attaching parts (2-3) and first friction member (2-4), packing seat (2-1) is provided with circumferential slider groove (2-1-1), be equipped with arc inclined hole (2-7-1) on the convex shoulder (2-7) of circumferential slider groove (2-1-1) both sides, the corresponding arc inclined hole (2-7-1) on the convex shoulder (2-7) of circumferential slider groove (2-1-1) both sides axially connects; Has attaching parts hole (2-2-1) on the arc shaped slider (2-2) of packing (2), arc shaped slider (2-2) is joined with slide block slot (2-1-1) is sliding, attaching parts (2-3) passes attaching parts hole (2-2-1) and two ends and is positioned at corresponding arc inclined hole (2-7-1) on the convex shoulder (2-7), have one or more outer end on the arc shaped slider (2-2) the radially first friction member hole (2-2-2) of reducing is arranged, in the first friction member hole (2-2-2) elastic component (7) is housed, goes back first friction member (2-4) that activity is combined with the arc-shaped outer surface that can give prominence to arc shaped slider (2-2) in the first friction member hole (2-2-2); The left and right sides of the packing seat (2-1) of packing (2) is first annular cover plate (2-5) and second annular cover plate (2-6) of the restricted attaching parts of captive joint (2-3) longitudinal travel respectively; It is characterized in that:

The periphery of b, described main shaft (5) is provided with at least three circumferential well-distributed axial rub bar grooves (5-3), has fricting strip (3) and air bag (6) in the fricting strip groove (5-3), and air bag (6) is positioned at the bottom of fricting strip groove (5-3).

7. winding off spindle according to claim 6 is characterized in that: the periphery of described main shaft (5) is provided with four axial rub bar grooves (5-3).

8. winding off spindle according to claim 6, it is characterized in that: described first friction member (2-4) is ball or half-round head screw, described elastic component (7) is a spring, one end of elastic component (7) and first friction member (2-4) offset, the other end and screw (8) offset, and screw (8) is threaded with the inner in the first friction member hole (2-2-2).

9. winding off spindle according to claim 6, it is characterized in that: all have on the lateral surface of described first annular cover plate (2-5) and second annular cover plate (2-6) and can carry out spacing positive stop lug boss (2-8), and first annular cover plate (2-5) and second annular cover plate (2-6) are connected packing seat (2-1) both sides of packing (2) respectively by screw retention second friction member (4).