CN217947246U - Double-air-path roller slip ring - Google Patents

Abstract

The utility model relates to a technical field of slip ring, the utility model discloses a two gas circuit roller slip ring, it includes the cover that expands, a plurality of first installation slot groups have been seted up to cover one side circumference, first installation slot group comprises at least one first sliding groove, first sliding inslot sliding connection has first piston block, one side butt that the cover that expands was kept away from to first piston block has the sideslip portion, sideslip portion bottom is provided with the sliding sleeve, one side butt that the cover that expands was kept away from to the sliding sleeve has first bearing, be provided with the fender ring on the first bearing, the outer lateral wall of sideslip portion has been seted up and has been pushed the inclined plane, sliding connection has the sloping block on the extrapolation inclined plane, a plurality of second installation slot groups have been seted up to one side circumference that the sideslip portion was kept away from to the cover, second installation slot group comprises at least one second sliding groove, second sliding inslot sliding is provided with the second piston block, a plurality of bearing grooves have been seted up to cover outer wall circumference, bearing inslot rotation is connected with the rolling bearing. This application has the effect that improves the convenience of reel installation and dismantlement.

Description

Double-air-path roller slip ring

Technical Field

The application relates to the technical field of slip rings, in particular to a slip ring with double gas path rollers.

Background

The existing splitting machine is a mechanical device for splitting wide paper, mica tapes or films into a plurality of narrow materials, and requires that the tension of the same winding shaft can be accurately controlled in a segmented manner, so that the elongation of the product is effectively adjusted, and the flatness of the end face is ensured. Because thickness errors exist in all positions of the whole material, in the process of strip winding, large accumulated errors are generated in the diameters of the material rolls, so that the speed tension, the tightness and the end faces of the coaxial material rolls are unequal, the tension is uneven, and partial material rolls can be stretched and deformed due to overlarge tension.

In the related art, a slip ring, including the cover that expands, the inboard circumference array of cover that expands has a plurality of piston grooves, set up the gas injection hole with the piston intercommunication in the cover that expands, piston inslot sliding is provided with the piston, one side butt that the cover that expands is kept away from to the piston has the sideslip portion, sideslip portion inner circle rotates and is connected with the sliding sleeve, the sliding sleeve butt is on the cover that expands, one side butt that the cover was kept away from to the sliding sleeve has first bearing, be provided with the fender ring on the first bearing, there is the sideslip chamber between fender ring and the sideslip portion, the sideslip chamber is used for providing the sideslip portion lateral shifting space, the upper end of sideslip portion has been seted up and has been pushed out the inclined plane, sliding connection has the sloping block on the outer inclined plane, one side butt that the sideslip portion was kept away from to the sloping block is on the fender ring lateral wall. When the slip ring is used, the slip ring is sleeved on the driving shaft, the winding drum is inserted into the slip ring, high-pressure gas is filled into the piston groove, the piston slides in the piston groove far away from the expansion sleeve, the piston abuts against and pushes the sliding portion to slide, friction force is generated between the piston and the sliding portion to drive the sliding portion to rotate, the piston pushes the sliding portion to slide close to the baffle ring, the inclined block abuts against the inner wall of the winding drum, the slip ring and the winding drum are tightly held and fixed, when wound materials are jammed, friction between the piston and the sliding portion is utilized, the sliding portion overcomes the friction force to stop rotating, and therefore damage to the materials is avoided.

In view of the above related technologies, the inventor thinks that in the prior art, the winding drum is directly sleeved on the slip ring, and because the outer wall of the slip ring has a plurality of connection gaps, the inner wall of the winding drum is likely to collide with the outer wall of the slip ring when the winding drum is inserted, so that a worker has a lot of inconvenience when installing the winding drum; when dismantling the reel, because the reel twines so heavy in weight that has the material, be difficult for taking off on the slip ring, await urgent need improve.

SUMMERY OF THE UTILITY MODEL

In order to improve the convenience of reel installation and dismantlement, this application provides a two gas circuit roller slip ring.

The application provides a two gas circuit roller slippage rings adopts following technical scheme:

a double-air-path roller slip ring comprises an expansion sleeve, wherein a plurality of first installation groove groups are formed in the circumference of one side of the expansion sleeve, each first installation groove group is composed of at least one first slip groove, a plurality of first air inlet holes communicated with the first slip grooves are formed in the inner wall of the expansion sleeve, a first piston block is connected in the first slip grooves in a sliding manner, a transverse moving part is abutted to one side, far away from the expansion sleeve, of the first piston block, a sliding sleeve is arranged at the bottom of the transverse moving part, a first bearing is abutted to one side, far away from the expansion sleeve, of the sliding sleeve, a retaining ring is arranged on the first bearing, a transverse moving cavity is formed between the retaining ring and the transverse moving part and used for providing a transverse moving space for the transverse moving part, an outward-push inclined plane is formed in the outer wall of the transverse moving part, and an inclined block is slidably connected on the outward-push inclined plane, one side, far away from the expansion sleeve, of the inclined block is connected to the side wall of the retaining ring in a clamped mode and used for achieving synchronous rotation of the inclined block and the retaining ring, an elastic piece used for driving the inclined block to reset is arranged on the outer wall of the inclined wedge base, a plurality of second installation groove sets are arranged on the circumference of one side, far away from the transverse moving portion, of the expansion sleeve, each second installation groove set is composed of at least one second sliding groove, a plurality of second air inlet holes communicated with the second sliding grooves are formed in the inner wall of the expansion sleeve, a second piston block is arranged in each second sliding groove in a sliding mode, a plurality of bearing grooves are formed in the circumference of the outer wall of the expansion sleeve and located between the adjacent first installation groove sets, rotating bearings are connected to the bearing grooves in a rotating mode, the axis directions of the rotating bearings are perpendicular to the axis directions of the expansion sleeve, and the outer walls of the rotating bearings abut against the inner wall of the winding drum.

By adopting the technical scheme, when the device works, the slip ring is arranged on the driving shaft, two ends of the slip ring are abutted and fixed, pressure gas is injected into the first slip groove, so that the first piston block is pushed to push the transverse moving part to move away from the expansion sleeve, the inclined block is abutted to the inner wall of the winding drum along the radial direction under the action of the outward pushing inclined plane and is clamped and fixed on the baffle, the pressure gas is injected into the first slip groove, so that the second piston block is pushed to abut against the baffle of the adjacent slip ring, the synchronous rotation of the winding drum and the slip ring is realized, when the wound material is jammed, the friction force between the winding drum and the baffle is overcome through the second piston, the rotation of the wedge base is stopped, the wound material is avoided, and the winding drum is taken down under the assistance of the rotating bearing after the winding is finished; by adopting the design, the phenomenon of jamming during the installation and the disassembly of the winding drum can be reduced, the smoothness of the axial sliding of the winding drum is improved, and the convenience of workers in the installation and the disassembly of the winding drum is improved; the bearing groove is arranged between the two adjacent first mounting groove groups, so that the utilization rate of the expansion sleeve space can be greatly improved, the size of the slip ring is reduced, and the convenience of using the slip ring is improved.

Preferably, the transverse moving part comprises a butt plate arranged on the sliding sleeve in a sliding mode, the first piston block abuts against the butt plate, a second bearing is arranged on the butt plate, an inclined wedge base is fixed on the second bearing, and the outward pushing inclined plane is arranged on the outer wall of the inclined wedge base.

Through adopting above-mentioned technical scheme, use the second bearing to make butt joint board and tapered wedge base separately rotate to make first piston piece only undertake along axial holding power, improve the convenience of operative installations.

Preferably, the sliding sleeve outer wall is provided with a limiting sliding groove for limiting the sliding distance of the abutting plate.

Through adopting above-mentioned technical scheme, use the spacing groove can restrict the distance of sliding of butt joint board, avoid butt seat migration distance too big to lead to the sloping block to drop on the extrapolation inclined plane, improve the convenience of using the slip ring.

Preferably, a fixing shaft coaxial with the rotating bearing is arranged in the bearing groove, a fixing plate is detachably arranged at an opening of the bearing groove and used for sealing the bearing groove, and the top of the rotating bearing penetrates through the fixing plate.

Through adopting above-mentioned technical scheme, use the fixed plate to install fixed rolling bearing, not only can install more conveniently and dismantle rolling bearing, still make rolling bearing fixed more stable, improve the convenience of using rolling bearing.

Preferably, one side of the baffle ring, which is close to the expansion sleeve, is provided with a limit groove, and the limit groove is in clamping fit with the inclined block.

Through adopting above-mentioned technical scheme, use spacing groove and sloping block joint cooperation to realize the synchronous rotation between sloping block and the fender ring.

Preferably, one side of the baffle ring close to the wedge base is provided with a plurality of sliding shafts along the axial direction, and one side of the wedge base close to the baffle ring is provided with a plurality of inserting grooves matched with the plurality of sliding inserting shafts.

Through adopting above-mentioned technical scheme, use sliding shaft and inserting groove cooperation, can make the tapered wedge base can slide more smoothly, can also make the tapered wedge base and keep off the synchronous rotation of ring.

Preferably, the sliding shaft is sleeved with a return spring, the inner wall of the insertion groove is provided with an abutting ring groove, and one side of the return spring, which is far away from the baffle ring, abuts against the bottom of the limiting ring groove.

Through adopting above-mentioned technical scheme, use reset spring can drive the tapered wedge base and reset, improve the speed and the sensitivity that reset of tapered wedge base to make the sloping block can separate with the reel inner wall more fast, improve the sensitivity that the sloping block resets.

It is preferable. One side of the inclined block close to the retaining ring is provided with a dovetail block matched with the dovetail block in a sliding mode.

Through adopting above-mentioned technical scheme, use dovetail and forked tail piece cooperation that slides, can make and be connected inseparabler between baffle and the sloping block, improve the smoothness nature and the stability that the sloping block slided on the retaining ring lateral wall.

In summary, the present application includes at least one of the following beneficial technical effects:

the rotary bearing is abutted against the inner wall of the winding drum, so that the phenomenon of blocking during the installation and the disassembly of the winding drum can be avoided, the smoothness of the axial sliding of the winding drum is improved, and the convenience of workers in installing and disassembling the winding drum is improved;

the sliding shaft 30 is matched with the insertion groove, so that the wedge base can slide more smoothly, the baffle ring and the wedge base can synchronously rotate, and the convenience of using the slip ring is improved;

reset spring is established with the cover on the sliding shaft, can drive the tapered wedge base and reset, makes the tapered wedge base reset more fast to drive the sloping block and can reset fast, improve the sensitivity of using the inclined plane.

Drawings

Fig. 1 is a schematic structural view of a dual air path roller slip ring according to embodiment 1 of the present application.

Fig. 2 is an exploded view of the expansion sleeve of example 1 of the present application.

Fig. 3 is a cross-sectional view of a dual air path roller slip ring of embodiment 1 of the present application.

FIG. 4 is a sectional view showing a traverse section and its connecting structure highlighted in embodiment 1 of the present application.

Fig. 5 is a sectional view of the present application, embodiment 2, highlighting the sliding shaft.

FIG. 6 is a cross-sectional view of embodiment 2 of the present application highlighting the dovetail block.

Reference numerals: 1. a sloping block; 2. a wedge base; 3. a baffle ring; 4. a rotating bearing; 5. a fixing plate; 6. an elastic member; 7. a limiting ring groove; 8. a second sliding groove; 9. a second piston block; 10. expanding the sleeve; 11. a first sliding groove; 12. a first piston block; 13. a fixed shaft; 14. a bearing groove; 15. a fixing ring; 16. a first bearing; 17. a sliding sleeve; 18. a limiting chute; 19. a second bearing; 20. a first air inlet ring groove; 21. a first air intake hole; 22. a second air intake hole; 23. a second air inlet ring groove; 24. an air inlet sealing ring; 25. a traversing chamber; 26. a butt joint plate; 27. a limiting groove; 28. pushing out the inclined plane; 29. a return spring; 30. a sliding shaft; 31. abutting against the ring groove; 32. inserting grooves; 33. a dovetail groove; 34. a dovetail block.

Detailed Description

The present application is described in further detail below with reference to figures 1-6.

The embodiment of the application discloses a double-air-path roller slip ring.

Example 1:

referring to fig. 1 and 2, the double-gas-path roller slip ring comprises an expansion sleeve 10, wherein the expansion sleeve 10 is in a circular ring shape, a plurality of first installation groove sets are formed in a circumferential array on one side of the expansion sleeve 10, and each first installation groove set is composed of two first slip grooves 11 formed in the axial direction. The first sliding groove 11 is a cylindrical groove, the inner wall of the expansion sleeve 10 is provided with a first air inlet 21 which is connected with the first sliding groove 11, a first piston block 12 is connected in the first sliding groove 11 in a sliding manner, and the first piston block 12 is cylindrical; one side circumference array that first groove 11 was kept away from to expand cover 10 has seted up a plurality of second installation groove groups, second installation groove group slides 8 by two seconds and forms, first groove 11 that slides is seted up with second groove 8 one-to-one, a plurality of second inlet ports 22 with a plurality of first 8 intercommunication that slide are seted up to expand cover 10 inner wall, the inslot 8 that slide of second slides is connected with second piston piece 9, second piston piece 9 is cylindricly, a plurality of bearing grooves 14 have been seted up to expand cover 10 outer wall circumference array, bearing groove 14 is located between the adjacent first installation groove group, bearing groove 14 internal rotation is connected with rolling bearing 4, rolling bearing 4's axis direction perpendicular to expands the axis direction of cover 10. The outer wall of the rotating bearing 4 is abutted against the inner wall of the winding drum;

referring to fig. 3 and 4, a transverse moving portion is abutted to one side, far away from the expansion sleeve 10, of the first piston block 12, the first piston block 12 pushes the transverse moving portion to move axially, the bottom of the transverse moving portion is connected with a sliding sleeve 17 in a sliding mode, the inner diameter of the sliding sleeve 17 is the same as that of the expansion sleeve 10, one side, far away from the expansion sleeve 10, of the sliding sleeve 17 is abutted to a first bearing 16, a retaining ring 3 is fixed on the first bearing 16, a transverse moving cavity 25 is formed between the retaining ring 3 and the transverse moving portion, the transverse moving cavity 25 is used for providing a transverse moving space for the transverse moving portion, an outward-pushing inclined surface 28 is formed on the outer wall of the transverse moving portion, an inclined block 1 is connected to the outward-pushing inclined surface 28 in a sliding mode, one side, far away from the expansion sleeve 10, of the inclined block 1 is clamped to the side wall of the retaining ring 3 and used for realizing synchronous rotation of the inclined block 1 and the retaining ring 3, and an elastic piece 6 for driving the reset of the inclined block 1 is installed on the outer wall of the transverse moving portion.

By adopting the design method, the bearing groove 14 is formed between the adjacent first mounting groove groups, the rotating bearing 4 is mounted, the rotating bearing 4 is abutted against the inner wall of the winding drum, the collision between the winding drum and the slip ring can be reduced, the smoothness of the movement of the winding drum along the axis is improved, a worker can mount and dismount the winding drum more conveniently, the bearing groove 14 is formed between the adjacent first mounting groove groups, the space utilization rate of the expansion sleeve 10 can be maximized, the rotating bearing 4 and the first piston are not in the same plane in the circumferential direction by adopting a method of interval arrangement, and the structural strength of the slip ring in the circumferential direction is improved.

Referring to fig. 2 and 3, the sideslip portion includes the butt joint board 26 of sliding connection on the sliding sleeve 17, and the butt joint board 26 cross-section is the L type, offers the spacing spout 18 that is used for limiting butt joint board 26 sliding distance on the sliding sleeve 17 outer wall, and first piston block 12 butt is on butt joint board 26, is fixed with second bearing 19 on the butt joint board 26, is fixed with the tapered wedge base 2 on the second bearing 19, and the tapered wedge base 2 is the ring form, and the external push inclined plane 28 sets up on the tapered wedge base 2.

With this configuration, the tapered wedge base 2 and the abutment plate 26 can be rotated separately, and the first piston block 12 can receive only the supporting force in the axial direction, thereby improving the stability of the use of the first piston block 12.

Referring to fig. 2 and 3, a fixed shaft 13 coaxial with the rotary bearing 4 is fixed in the bearing groove 14, a fixed plate 5 is connected to the bearing groove 14 at a position where the bolt is opened, and the fixed plate 5 is rectangular. The fixed plate 5 is used for sealing the bearing groove 14, the top of the rotating bearing 4 penetrates through the fixed plate 5, so that the rotating bearing 4 can be more conveniently mounted and dismounted, and the convenience of using the rotating bearing 4 is improved.

Referring to fig. 2 and 3, a bearing groove 14 for mounting a first bearing 16 is formed in the inner wall of the baffle ring 3, a fixing ring 15 is clamped on the inner wall of the bearing groove 14, and the first bearing 16 is fixed in the bearing groove 14 by the fixing ring 15, so that the fixing stability of the first bearing 16 is improved; keep off ring 3 and seted up spacing groove 27 near one side of whole set, spacing groove 27 and sloping block 1 joint cooperation through spacing groove 27 and sloping block 1 joint cooperation to realize synchronous rotation between sloping block 1 and the fender ring 3.

Referring to fig. 2 and 3, a first air inlet ring groove 20 is formed in the inner wall of the expansion sleeve 10, the first air inlet ring groove 20 is used for being communicated with a plurality of first air inlet holes 21, a second air inlet ring groove 23 is further formed in the inner wall of the expansion sleeve 10, the second air inlet ring groove 23 is used for being communicated with a plurality of second air inlet holes 22, three air inlet sealing rings 24 are arranged on the inner wall of the expansion sleeve 10, and the air inlet sealing rings 24 are used for sealing the first air inlet ring groove 20 and the second air inlet ring groove 23. By adopting the design, pressure gas can be injected more conveniently, and the use convenience of the slip ring is improved.

The implementation principle of the embodiment 1 is as follows: during operation, the staff installs a plurality of slip rings in the drive shaft, and support tight fixedly with the both ends of slip ring, install the reel on the slip ring through rolling bearing 4 cooperation, inject pressure gas into first sliding groove 11, thereby promote oblique wedge base 2 and remove to keeping away from bloated cover 10, sloping block 1 along radial butt in reel inner wall under the effect of propelling movement inclined plane 28 outward, thereby hold the reel tightly, inject pressure gas into second sliding groove 8, make the second piston butt on fender ring 3, under the effect of frictional force, realize the synchronous rotation of reel and slip ring, after the rolling is accomplished, under rolling bearing 4's effect, take off the reel. By adopting the design, the collision between the winding drum and the slip ring can be avoided, the winding drum can move more smoothly along the axial direction by the abutting of the rotating bearing 4 on the inner wall of the winding drum, and the convenience of mounting and dismounting the winding drum is improved.

Example 2:

referring to fig. 5 and 6, a two gas circuit roller slip ring, the difference with embodiment 1 lies in, keep off one side that ring 3 is close to oblique wedge base 2 and have many sliding shafts 30 along axial welded fastening, sliding shafts 30 set up along the circumference array, sliding shafts 30 are the cylinder pole, oblique wedge base 2 is close to one side that keeps off ring 3 and offers a plurality of inserting grooves 32 with sliding shafts 30 grafting complex, inserting grooves 32 are the cylinder groove, the cover is equipped with reset spring 29 on the sliding shafts 30, butt annular 31 has been offered to inserting groove 32 inner wall, one side butt that reset spring 29 kept away from and keeps off ring 3 is in spacing annular 7 bottoms.

One side of the limiting groove 27 close to the expansion sleeve 10 is provided with a dovetail block 34 along the radial direction, the width of the dovetail block 34 is gradually increased along the abandoning process far away from the baffle ring 3, and one side of the inclined block 1 close to the baffle ring 3 is provided with a dovetail groove 33 matched with the dovetail block 34 in a sliding mode.

The implementation principle of the embodiment 2 is as follows: the difference with embodiment 1 lies in, the wedge base 2 can slide more smoothly under the effect of sliding shaft 30 and inserting groove 32, and the back-up spring 29 that deuterogamies can make the wedge base 2 reset more fast, improves the sensitivity that the sloping block 1 resets, can avoid sloping block 1 and fender ring 3 to separate through the cooperation of dovetail 34 and dovetail 33, improves the stability of using sloping block 1.

The above are preferred embodiments of the present application, and the scope of protection of the present application is not limited thereto, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims (8)

1. The utility model provides a two gas circuit roller slip rings which characterized in that: the device comprises an expansion sleeve (10), a plurality of first installation groove groups are arranged on the circumference of one side of the expansion sleeve (10), each first installation groove group is composed of at least one first sliding groove (11), a plurality of first air inlet holes (21) communicated with the plurality of first sliding grooves (11) are arranged on the inner wall of the expansion sleeve (10), a first piston block (12) is connected in the first sliding grooves (11) in a sliding manner, a transverse moving part is abutted to one side, far away from the expansion sleeve (10), of the first piston block (12), a sliding sleeve (17) is arranged at the bottom of the transverse moving part, a first bearing (16) is abutted to one side, far away from the expansion sleeve (10), of the sliding sleeve (17), a stop ring (3) is arranged on the first bearing (16), a transverse moving cavity (25) is arranged between the stop ring (3) and the transverse moving part, the transverse moving cavity (25) is used for providing a transverse moving space of the transverse moving part, an inclined plane (28) is arranged on the outer wall of the transverse moving part, an inclined plane (1) is slidably connected to the outer wall of the inclined block (3), a plurality of the outer push-out block (1) is used for realizing synchronous clamping and mounting of the expansion sleeve (10), and a plurality of the side wall of the outer sliding block (6) is arranged on one side for realizing synchronous mounting part, and a plurality of the outer wall of the outer sliding sleeve (6), the second installation groove group is composed of at least one second sliding groove (8), a plurality of second air inlet holes (22) communicated with the second sliding groove (8) are formed in the inner wall of the expansion sleeve (10), a second piston block (9) is arranged in the second sliding groove (8) in a sliding mode, a plurality of bearing grooves (14) are formed in the circumference of the outer wall of the expansion sleeve (10), the bearing grooves (14) are located between the adjacent first installation groove groups, a rotating bearing (4) is connected in the bearing grooves (14) in a rotating mode, the axis direction of the rotating bearing (4) is perpendicular to the axis direction of the expansion sleeve (10), and the outer wall of the rotating bearing (4) abuts against the inner wall of the winding drum.

2. The dual air path roller slip ring of claim 1, wherein: the transverse moving portion comprises a butting plate (26) arranged on the sliding sleeve (17) in a sliding mode, the first piston block (12) is butted on the butting plate (26), a second bearing (19) is arranged on the butting plate (26), an inclined wedge base (2) is fixed on the second bearing (19), and an outward pushing inclined plane (28) is arranged on the outer wall of the inclined wedge base (2).

3. A dual air path roller slip ring as set forth in claim 2, wherein: and the outer wall of the sliding sleeve (17) is provided with a limiting sliding groove (18) for limiting the sliding distance of the abutting plate (26).

4. A dual air path roller slip ring as set forth in claim 1, wherein: the bearing groove (14) is internally provided with a fixing shaft (13) which is coaxial with the rotating bearing (4), the opening of the bearing groove (14) is detachably provided with a fixing plate (5), the fixing plate (5) is used for sealing the bearing groove (14), and the top of the rotating bearing (4) penetrates through the fixing plate (5).

5. The dual air path roller slip ring of claim 1, wherein: stop ring (3) are close to spacing groove (27) have been seted up to one side of expanding sleeve (10), spacing groove (27) with sloping block (1) joint cooperation.

6. A dual air path roller slip ring as set forth in claim 2, wherein: one side of the baffle ring (3) close to the wedge base (2) is provided with a plurality of sliding shafts (30) along the axial direction, and one side of the wedge base (2) close to the baffle ring (3) is provided with a plurality of inserting grooves (32) matched with the sliding shafts (30) in an inserting mode.

7. The dual air path roller slip ring of claim 6, wherein: the sliding shaft (30) is sleeved with a return spring (29), the inner wall of the insertion groove (32) is provided with an abutting ring groove (31), and the return spring (29) is far away from one side of the baffle ring (3) and abuts against the bottom of the abutting ring groove (31).

8. The dual air path roller slip ring of claim 5, wherein: one side of the limiting groove (27) close to the expansion sleeve (10) is provided with a dovetail block (34) along the radial direction, the width of the dovetail block (34) is gradually increased along the direction far away from the baffle ring (3), and one side of the inclined block (1) close to the baffle ring (3) is provided with a dovetail groove (33) matched with the dovetail block (34) in a sliding mode.

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