CN212424996U

CN212424996U - High-sealing double-air-path slip ring

Info

Publication number: CN212424996U
Application number: CN202020570555.0U
Authority: CN
Inventors: 杨代华; 郑尧舜
Original assignee: Shanghai Chengbing Machinery Co ltd
Current assignee: Shanghai Chengbing Machinery Co ltd
Priority date: 2020-04-16
Filing date: 2020-04-16
Publication date: 2021-01-29
Anticipated expiration: 2030-04-16

Abstract

The utility model relates to a high sealed two gas circuit slippage rings, including the retaining ring, the slide wedge base, sideslip ring and the cover that expands, the one end and the slide wedge base scarf joint of retaining ring, the sideslip ring is connected through the sideslip bearing with the one end that the retaining ring was kept away from to the slide wedge base, the one end that the slide wedge base was kept away from to the sideslip ring is laminated with the cover that expands mutually, a plurality of piston hole has been seted up respectively at the both ends of the cover that expands, slidable mounting has the piston block in the piston hole, set up two air channels that drive both sides piston block motion respectively on the inside wall of the cover that expands, a plurality of wedge groove has been seted up on the lateral wall of slide wedge base, the sloping block is installed to the wedge inslot, the cover is equipped with the elastic ring cover on the outer wall of sloping block, the gas shaft bearing is installed to the inner circle of retaining ring, the one end integrated into. The utility model discloses it is good to have sealing performance, is applicable to the slippage axle of major axis footpath, installs more reliable and more stable.

Description

High-sealing double-air-path slip ring

Technical Field

The utility model belongs to the technical field of the rolling equipment technique and specifically relates to a high sealed two gas circuit slip ring is related to.

Background

With the rapid development of social economy, people put higher demands on production and life. The emergence of the slip shaft solves a plurality of problems in life and production, is widely applied to the fields of electronics, packaging and the like, and becomes a vital part in the fields. It can be said that the quality of the slip shaft directly affects the competitiveness of the product in its market.

The invention discloses a double-air-path slip shaft in Chinese patent with application number CN201710198282.4, which comprises a double-air-path slip ring and an air shaft body, and also comprises at least two double-air-path slip rings which are arranged closely; double gas path slip ring: the piston ring comprises an air shaft bearing, a friction ring with a friction surface and a transverse moving bearing, wherein the air shaft bearing is arranged on the left side of the friction ring, the transverse moving bearing is arranged on the right side of the friction ring, the right side of the transverse moving bearing is fixedly connected with the transverse moving ring, a lifting part or a lifting part is arranged on the transverse moving ring, an inclined lifting surface is arranged on the lifting part or the lifting part, a lifting block is arranged on the lifting surface, a bearing surface attached to the lifting surface is arranged on the lifting block, a spring is connected to the outer side of the lifting block, the spring presses the lifting block on the lifting surface, an annular piston ring body is arranged on the right side of the transverse moving ring, a friction piston and a transverse moving piston are respectively arranged on the left side and the right side of the piston ring body, the transverse moving piston is abutted against the right side surface of the transverse moving ring, a gap for the transverse moving ring is arranged between the, the piston holes of the friction piston and the transverse piston are both connected with an air supply channel, and the opening of the air supply channel is arranged on the hole wall of the inner hole of the piston ring body; the friction air channel and the transverse air channel are arranged in the air shaft body, the friction air channel is connected with a piston hole where the friction piston is located through the air supply channel, the transverse air channel is connected with a piston hole where the transverse piston is located through the air supply channel, and the friction air channel is connected with a piston hole where the friction piston is located through the air supply channel.

In the invention, when adjacent slip rings are spliced and installed, the protruding end face of one side of the piston ring body, which is far away from the transverse moving ring, is abutted against the inner ring of the air shaft bearing, at the moment, the outer ring of the air shaft bearing is not abutted against the protruding end part, the ball of the air shaft bearing is communicated with the outside, and because the air shaft bearing is not sealed, impurities in the air affect the air shaft bearing, so that the service life of the slip rings is further shortened.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a high sealed two gas circuit slip ring that exists to prior art.

The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme:

a high-sealing double-air-path slip ring comprises a retainer ring, a wedge base, a transverse moving ring and an expansion sleeve, wherein one end of the retainer ring is embedded with the wedge base, the transverse moving ring and one end of the wedge base, which is far away from the retainer ring, are connected through a transverse moving bearing, one end of the transverse moving ring, which is far away from the wedge base, is attached to the expansion sleeve, a plurality of piston holes are respectively arranged at two ends of the expansion sleeve, a piston block is arranged in each piston hole in a sliding manner, two vent grooves for respectively driving the piston blocks at two sides to move in the piston holes are arranged on the inner side wall of the expansion sleeve, a plurality of wedge grooves are arranged on the outer side wall of the wedge base, a wedge is arranged in each wedge groove, an elastic ring sleeve is sleeved on the outer wall of the wedge, an air shaft bearing is arranged on the inner ring of the retainer ring, a retainer ring abutted against the air shaft bearing is integrally formed at one end, which is close to the wedge base, one end, which is, the limiting piece is abutted with the outer ring of the air shaft bearing.

By adopting the technical scheme, the double-air-path slip ring is generally used in equipment for rolling materials such as films or paper and the like which are lighter in material, before rolling, a sleeve to be wound with the films or the paper is sleeved on the slip ring, after the sleeving is finished, an air source inflates air into the vent groove, the air enters the piston hole through the vent groove and drives the piston block to move, the piston block close to the transverse moving ring is abutted against the transverse moving ring, the transverse moving ring and the wedge base move towards the direction of the retainer ring at the same time, and in the moving process, the inclined block expands outwards under the action of the inclined surface and is tightly abutted against the sleeved sleeve; the piston block on the other side is abutted against the check ring on the adjacent slip ring, the wedge base is clamped by the transverse moving ring and the check ring, and the wedge base is driven to rotate by the friction of the piston block and the check ring. The end, close to the wedge base, of the retainer ring is integrally formed into a retainer ring, one end, far away from the retainer ring, of the retainer ring is provided with a limiting piece, the retainer ring and the retainer ring are abutted to an outer ring of the air shaft bearing, when the slip ring is installed, the bearing end face on the adjacent expansion sleeve is abutted to an inner ring of the air shaft bearing, and the limiting piece and the retainer ring are matched with each other, so that the air shaft bearing is fixed and limited on one hand, and the air shaft bearing is installed more firmly and stably; on the other hand, the sealing performance of the installation of the air shaft bearing is improved, and the influence of external impurities on the air shaft bearing is prevented; meanwhile, when the shaft diameter of the slip shaft is large, the ring width of the wedge base needs to be correspondingly increased, the arrangement positions of the limiting pieces and the baffle ring are applicable to the slip shaft with the large shaft diameter, the ring width of the wedge base is ensured, meanwhile, the gas shaft bearing is sealed, and the application range is wider.

The present invention may be further configured in a preferred embodiment as: and the piston block at one side of the expansion sleeve far away from the transverse moving ring completely acts on the end surface of the adjacent retainer ring.

By adopting the technical scheme, the piston block is completely abutted against the end face of the check ring, so that the phenomenon of stress concentration caused by the fact that the piston block acts on the joint of the check ring and the limiting piece is prevented, the axial force applied to the check ring is more stable and uniform, and the action effect of the piston block is better.

The present invention may be further configured in a preferred embodiment as: the piston holes on the two sides are arranged in a staggered mode.

Through adopting above-mentioned technical scheme, with the crisscross setting each other of the piston hole of both sides, can avoid appearing stress concentration's phenomenon on the piston ring, improved its bearing capacity, simultaneously, when extrudeing the slide wedge base, the piston hole that interlocks each other makes the whole atress of slide wedge base more even, and extrusion effect is better.

The present invention may be further configured in a preferred embodiment as: the bottom of the vent groove is provided with an air hole, the air hole is communicated with the piston hole, and the air hole is arranged opposite to the end part of the piston block.

Through adopting above-mentioned technical scheme, offer the gas pocket at the tank bottom of air channel to make the gas pocket set up with the tip of piston piece relatively, when utilizing gas to promote the piston piece at the downthehole motion of piston, make the gas in the air channel enter into the piston hole through every gas pocket, and make gas effect at the tip in piston hole, make the piston piece only receive axial force, it is better to the promotion effect of piston piece.

The present invention may be further configured in a preferred embodiment as: the periphery lateral wall of piston piece has seted up the seal groove, install the sealing washer in the seal groove.

By adopting the technical scheme, the sealing groove is formed in the peripheral side wall of the piston block, and the sealing ring is arranged in the sealing groove, so that the sealing property between the piston block and the wall of the piston hole is improved, and the normal motion of the piston block in the piston hole is ensured.

The present invention may be further configured in a preferred embodiment as: the outer side wall of the expansion sleeve is provided with a plurality of mounting grooves, a mounting seat is mounted in each mounting groove, a rotating wheel is rotatably mounted in each mounting seat, and the axis direction of each rotating wheel is perpendicular to the axis direction of the expansion sleeve.

Through adopting above-mentioned technical scheme, the slip ring need be used for the sleeve cover of rolling film or paper to establish the lateral wall at the cover that expands in the use, after the coiling, need change the sleeve, because the winding has film or paper to increase telescopic weight on the sleeve. Through set up the mounting groove on the lateral wall of the cover that expands, mount pad in the mounting groove to installation runner in the mount pad, the runner is convenient for the sleeve and takes out from the cover that expands, can be more convenient when the installation sleeve, and the runner has improved the practicality of slip ring, convenient to use, reasonable in design.

The present invention may be further configured in a preferred embodiment as: the outer side wall of the retainer ring is provided with a positioning groove, a positioning key is fixedly mounted in the positioning groove, and an inner ring of the wedge base is provided with a matching groove for the sliding of the positioning key.

Through adopting above-mentioned technical scheme, navigation key, constant head tank and cooperation groove are spacing to between retaining ring and the slide wedge base, prevent to take place relative slip between the two, make the location effect of sloping block better more stable.

The present invention may be further configured in a preferred embodiment as: a plurality of annular grooves are formed in the inner ring of the expansion sleeve, sealing rings are installed in the annular grooves, and the annular grooves are located on two sides of the vent groove.

By adopting the technical scheme, the annular grooves are formed in the two sides of the vent groove, and the sealing rings are arranged in the annular grooves, so that the sealing effect of the vent groove is improved, and the sealing performance of the slip ring in use is ensured.

The present invention may be further configured in a preferred embodiment as: and a spacer bush matched with the air shaft bearing is arranged on the inner side wall of the wedge base.

Through adopting above-mentioned technical scheme, establish the spacer sleeve through the inside wall cover at the slide wedge base, the spacer sleeve is used for fixed bloated cover, prevents that bloated cover from taking place not hard up in the installation.

To sum up, the utility model discloses a following at least one useful technological effect:

1. the retainer ring is integrally formed at one end, close to the wedge base, of the retainer ring, the limiting piece is installed at one end, far away from the retainer ring, of the retainer ring, the retainer ring and the retainer ring are abutted against the outer ring of the air shaft bearing, when the slip ring is installed, the bearing end face on the adjacent expansion sleeve is abutted against the inner ring of the air shaft bearing, and the limiting piece and the retainer ring are matched with each other, so that the air shaft bearing is fixed and limited on one hand, and the air shaft bearing is installed more firmly and stably; on the other hand, the sealing performance of the installation of the air shaft bearing is improved, and the influence of external impurities on the air shaft bearing is prevented; meanwhile, when the shaft diameter of the slip shaft is larger, the ring width of the wedge base needs to be correspondingly increased, the arrangement positions of the limiting piece and the baffle ring can be suitable for the slip shaft with larger shaft diameter, the ring width of the wedge base is ensured, meanwhile, the gas shaft bearing is sealed, and the application range is wider;

2. the piston holes on the two sides are arranged in a staggered mode, so that the phenomenon of stress concentration on a piston ring can be avoided, the bearing capacity of the piston ring is improved, and meanwhile, when the wedge base is extruded, the integral stress of the wedge base is more uniform due to the staggered piston holes, and the extrusion effect is better;

3. the air hole is formed in the bottom of the air channel, the air hole is arranged opposite to the end of the piston block, when the piston block is pushed to move in the piston hole by air, the air in the air channel enters the piston hole through each air hole, the air acts on the end of the piston hole, the piston block is only stressed axially, and the pushing effect on the piston block is better.

Drawings

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

fig. 2 is a schematic cross-sectional view of the present invention.

Reference numerals: 1. a retainer ring; 2. a wedge base; 3. traversing the ring; 4. expanding the sleeve; 5. a traversing bearing; 6. a piston bore; 7. a piston block; 8. a vent channel; 9. air holes; 10. a wedge-shaped groove; 11. a sloping block; 12. an air shaft bearing; 13. a baffle ring; 14. a limiting sheet; 15. a ring groove; 16. a seal ring; 17. mounting grooves; 18. a mounting seat; 19. a rotating wheel; 20. a spacer sleeve; 21. a sealing groove; 22. a seal ring; 23. an elastic ring sleeve; 24. positioning a groove; 25. a positioning key; 26. and (4) matching the groove.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Referring to fig. 1 and 2, for the utility model discloses a high sealed two gas circuit slip differential ring, including retaining ring 1, slide wedge base 2, sideslip ring 3 and the cover 4 that expands, four all are the ring form, and retaining ring 1's one end is rabbeted with slide wedge base 2 mutually, and sideslip ring 3 rotates mutually through sideslip bearing 5 with 2 one ends of keeping away from retaining ring 1 of slide wedge base to be connected, and sideslip ring 3 keeps away from the one end of slide wedge base 2 and overlaps 4 laminating mutually with expanding. A plurality of circular shape piston holes 6 have been seted up respectively to the both ends of cover 4 that expands, and the position of both sides piston hole 6 is crisscross the setting each other, and slidable mounting has piston block 7 rather than the looks adaptation in the piston hole 6, and the piston block 7 of keeping away from sideslip ring 3 one side in the cover 4 that expands acts on the terminal surface of adjacent retaining ring 1 completely. Two annular air ducts 8 are formed in the inner side wall of the expansion sleeve 4, a plurality of circular air holes 9 are formed in the bottom of each air duct 8, the air holes 9 are communicated with the piston holes 6 and correspond to the piston holes one to one, and the air holes 9 correspond to the end portions of the piston blocks 7. Preferably, the number of the piston bores 6 is 10-14.

A plurality of wedge grooves 10 are formed in the outer side wall of the wedge base 2 along the axis direction of the wedge base, inclined blocks 11 matched with the wedge grooves 10 are installed in the wedge grooves 10 in a sliding mode, and annular elastic ring sleeves 23 are sleeved on the outer walls of the inclined blocks 11. The inside fixed mounting of retaining ring 1 has gas shaft bearing 12, and retaining ring 1 is close to the one end integrated into one piece of slide wedge base 2 and has the fender ring 13 with gas shaft bearing 12 looks butt, and retaining ring 1 keeps away from the one end of fender ring 13 and installs spacing piece 14 that carries out the fixing to gas shaft bearing 12 through the screw, and keeps off ring 13 and all with spacing piece 14 with gas shaft bearing 12's outer loop looks butt.

The double-air-path slip ring is used in a device for rolling materials such as films or paper and the like which are lighter, a sleeve to be wound with the films or the paper is sleeved on the slip ring before rolling, an air source inflates air into the vent groove 8 after the sleeving is finished, the air enters the piston hole 6 through the vent groove 8 and drives the piston block 7 to move, the piston block 7 close to the traverse ring 3 is abutted against the traverse ring 3, the traverse ring 3 and the wedge base 2 move towards the direction of the retainer ring 1 at the same time, and in the moving process, the inclined block 11 expands outwards under the action of the inclined surface and is abutted against the sleeved sleeve tightly; the piston block 7 on the other side is abutted against the retainer ring 1 on the adjacent slip ring, the wedge base 2 is clamped by the transverse moving ring 3 and the retainer ring 1, and the wedge base 2 is driven to rotate by the friction of the piston block 7 and the retainer ring 1.

The limiting piece 14 is matched with the baffle ring 13, and plays a limiting role on the air shaft bearing 12 on one hand; on the other hand, the installation tightness of the air shaft bearing 12 is improved; meanwhile, when the shaft diameter of the slip shaft is larger, the ring width of the wedge base 2 needs to be correspondingly increased, the arrangement positions of the limiting piece 14 and the baffle ring 13 are applicable to the slip shaft with the larger shaft diameter, the ring width of the wedge base 2 is ensured, meanwhile, the air shaft bearing 12 is sealed, and the application range is wider.

Three annular 15 have been seted up to the inner circle of cover 4 that expands, all install sealing ring 16 in annular 15, and annular 15 is located the both sides of air channel 8, and sealing ring 16 has improved the sealed effect of air channel 8, has guaranteed the leakproofness of slip ring when using. The outer side wall of the expansion sleeve 4 of the ring groove 15 is provided with a square mounting groove 17, a mounting seat 18 matched with the mounting groove 17 is mounted in the mounting groove 17 through screws, a round rotating wheel 19 is rotatably mounted in the mounting seat 18, and the axis direction of the rotating wheel 19 is perpendicular to the axis direction of the expansion sleeve 4. The rotating wheel 19 is convenient for taking the sleeve out of the expansion sleeve 4, the sleeve can be more conveniently installed, and the practicability of the slip ring is improved by the rotating wheel 19.

An annular spacer bush 20 is mounted on the inner side wall of the wedge base 2, one end of the spacer bush 20 is abutted against the inner ring of the air shaft bearing 12, the other end of the spacer bush is abutted against the side wall of the expansion bush 4, and the spacer bush 20 is used for fixing the expansion bush 4 and preventing the expansion bush 4 from loosening in the mounting process. A plurality of conical bulges are integrally formed on the outer side wall of the inclined block 11, the clamping capacity of the inclined block 11 and a sleeve arranged outside the inclined block is improved by the bulges, and the sleeve is more stably installed.

An annular sealing groove 21 is formed in the peripheral side wall of the piston block 7, a sealing ring 22 is installed in the sealing groove 21, the sealing ring 22 improves the sealing performance between the piston block 7 and the wall of the piston hole 6, and the normal motion of the piston block 7 in the piston hole 6 is guaranteed. The outer side wall of the retainer ring 1 is provided with a positioning groove 24, a positioning key 25 is fixedly arranged in the positioning groove 24, and the inner ring of the wedge base 2 is provided with a matching groove 26 for sliding the positioning key 25. Slide wedge base 2 is at the removal in-process, relative slip between navigation key 25 and the cooperation groove 26, and the cooperation between navigation key 25, constant head tank 24 and the cooperation groove 26 prevents to take place relative rotation between slide wedge base 2 and the retaining ring 1, has guaranteed the stability of sloping block 11 with outside sleeve looks butt.

The implementation principle of the embodiment is as follows: the double-air-path slip ring is used in a device for rolling materials such as films or paper and the like which are lighter, a sleeve to be wound with the films or the paper is sleeved on the slip ring before rolling, an air source inflates air into the vent groove 8 after the sleeving is finished, the air enters the piston hole 6 through the vent groove 8 and drives the piston block 7 to move, the piston block 7 close to the traverse ring 3 is abutted against the traverse ring 3, the traverse ring 3 and the wedge base 2 move towards the direction of the retainer ring 1 at the same time, and in the moving process, the inclined block 11 expands outwards under the action of the inclined surface and is abutted against the sleeved sleeve tightly; the piston block 7 on the other side is abutted against the retainer ring 1 on the adjacent slip ring, the wedge base 2 is clamped by the transverse moving ring 3 and the retainer ring 1, and the wedge base 2 is driven to rotate by the friction of the piston block 7 and the retainer ring 1.

A baffle ring 13 is integrally formed at one end of the retainer ring 1 close to the wedge base 2, a limiting piece 14 is arranged at one end of the retainer ring 1 far away from the baffle ring 13 and is abutted to an outer ring of the air shaft bearing 12, when a slip ring is arranged, the bearing end surface of the adjacent expansion sleeve 4 is abutted to an inner ring of the air shaft bearing 12, and the limiting piece 14 and the baffle ring 13 are mutually matched to fix and limit the air shaft bearing 12 on one hand, so that the air shaft bearing 12 is more firmly and stably arranged; on the other hand, the installation sealing performance of the gas shaft bearing 12 is improved, and external impurities are prevented from affecting the gas shaft bearing 12; meanwhile, when the shaft diameter of the slip shaft is larger, the ring width of the wedge base 2 needs to be correspondingly increased, the arrangement positions of the limiting piece 14 and the baffle ring 13 are applicable to the slip shaft with the larger shaft diameter, the ring width of the wedge base 2 is ensured, meanwhile, the air shaft bearing 12 is sealed, and the application range is wider.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. The utility model provides a high sealed two gas circuit slippage rings, includes retaining ring (1), slide wedge base (2), sideslip ring (3) and bloated cover (4), and the one end and slide wedge base (2) of retaining ring (1) are rabbeted mutually, the one end that retaining ring (1) were kept away from in sideslip ring (3) and slide wedge base (2) is connected through sideslip bearing (5), the one end that slide wedge base (2) were kept away from in sideslip ring (3) is laminated with bloated cover (4) mutually, a plurality of piston hole (6) have been seted up respectively at the both ends of bloated cover (4), slidable mounting has piston block (7) in piston hole (6), set up on the inside wall of bloated cover (4) two air channels (8) that drive both sides piston block (7) at piston hole (6) internal motion respectively, its characterized in that: seted up a plurality of wedge groove (10) on the lateral wall of slide wedge base (2), install sloping block (11) in wedge groove (10), the cover is equipped with elastic ring cover (23) on the outer wall of sloping block (11), gas axle bearing (12) are installed to the inner circle of retaining ring (1), retaining ring (1) is close to the one end integrated into one piece of slide wedge base (2) have with gas axle bearing (12) outer loop looks butt keep off ring (13), retaining ring (1) is kept away from the one end demountable installation that keeps off ring (13) and is had spacing piece (14) fixed to gas axle bearing (12), spacing piece (14) and the outer loop looks butt of gas axle bearing (12).

2. A high seal dual gas path slip ring as claimed in claim 1, wherein: and the piston block (7) at one side of the expansion sleeve (4) far away from the transverse moving ring (3) completely acts on the end surface of the adjacent retainer ring (1).

3. A high seal dual gas path slip ring as claimed in claim 1, wherein: the piston holes (6) on the two sides are arranged in a staggered mode.

4. A high seal dual gas path slip ring as claimed in claim 1, wherein: an air hole (9) is formed in the bottom of the ventilation groove (8), the air hole (9) is communicated with the piston hole (6), and the air hole (9) is arranged opposite to the end of the piston block (7).

5. A high seal dual gas path slip ring as claimed in claim 1, wherein: a sealing groove (21) is formed in the peripheral side wall of the piston block (7), and a sealing ring (22) is installed in the sealing groove (21).

6. A high seal dual gas path slip ring as claimed in claim 1, wherein: a plurality of mounting grooves (17) are formed in the outer side wall of the expansion sleeve (4), a mounting seat (18) is mounted in the mounting grooves (17), a rotating wheel (19) is mounted in the mounting seat (18) in a rotating mode, and the axis direction of the rotating wheel (19) is perpendicular to the axis direction of the expansion sleeve (4).

7. A high seal dual gas path slip ring as claimed in claim 1, wherein: the outer side wall of the retainer ring (1) is provided with a positioning groove (25), a positioning key (26) is fixedly mounted in the positioning groove (25), and an inner ring of the wedge base (2) is provided with a matching groove (27) for the sliding of the positioning key (26).

8. A high seal dual gas path slip ring as claimed in claim 1, wherein: a plurality of annular grooves (15) have been seted up to the inner circle of cover (4) expand, install sealing ring (16) in annular groove (15), annular groove (15) are located the both sides of air channel (8).

9. A high seal dual gas path slip ring as claimed in claim 1, wherein: and a spacer bush (20) matched with the air shaft bearing (12) is arranged on the inner side wall of the wedge base (2).