CN217814232U

CN217814232U - Corner mandrel mechanism with axial movement and rotation separated

Info

Publication number: CN217814232U
Application number: CN202221522958.3U
Authority: CN
Inventors: 杨建国; 臧福占; 陈玉玺; 崔建英; 贾佳; 朱华舟; 张志兴; 李振波; 秦金恒; 孔祥飞; 闫涛
Original assignee: Juli Sling Co Ltd
Current assignee: Juli Sling Co Ltd
Priority date: 2022-06-17
Filing date: 2022-06-17
Publication date: 2022-11-15
Anticipated expiration: 2032-06-17

Abstract

The utility model discloses an axial displacement and rotation separation's corner dabber mechanism, include: the cylinder barrel of the oil cylinder, the extension guide sleeve, the piston sleeve and the mandrel; the outer side wall of the oil cylinder barrel is fixedly connected with two connector bodies, the extension guide sleeve is fixedly connected to one end of the oil cylinder barrel, and a guide groove is axially formed in the extension guide sleeve; the piston sleeve is connected in the oil cylinder barrel in a sliding manner, and the other end of the piston sleeve extends out of the oil cylinder barrel and is positioned in the extension guide sleeve; the dabber rotates to be connected in the piston sleeve, is provided with guide screw on the lateral wall of dabber, and guide screw sliding connection is in the guide way. The utility model provides a corner dabber mechanism has replaced traditional rope jar of inserting, has realized axial displacement and rotatory separation, has avoided wearing and tearing easily because of the rotatory sealing member that the relative rotary motion between piston and the cylinder body leads to, and then the phenomenon of inserting the rope jar oil leak that leads to, simultaneously, the utility model discloses need not to adopt rotatory sealing member, reduced manufacturing cost.

Description

Corner mandrel mechanism with axial movement and rotation separated

Technical Field

The utility model relates to a corner dabber mechanism makes the field, especially relates to a corner dabber mechanism of axial displacement and rotation separation.

Background

Six or eight steel wire ropes with fiber cores and metal cores twisted alternately are used as rope raw materials for inserting and weaving the steel wire rope buckles, and a steel wire rope inserting and weaving machine is key equipment for inserting and weaving the steel wire rope buckles. The steel wire rope insertion knitting machine has the functions of rope body blanking, rope end insertion knitting rope buckles, rope strand excess head trimming, rope buckle insertion knitting part shaping and the like. The steel wire rope insertion knitting machine mainly comprises a rope insertion cylinder, a cutting and trimming cylinder, a strand cutting cylinder, a rack, a hydraulic system, an electrical system and the like. The rope inserting cylinder is a key device of the steel wire rope knitting machine and mainly comprises an oil cylinder, an extension guide sleeve, a guide screw, an annular clamping key, a contact pin, a thread fixing sleeve and the like. The steel wire rope insertion knitting machine adopts hydraulic power to drive a rope insertion cylinder; and the steel wire rope is surrounded into a whole set, the rope head part to be inserted and woven is back off, each rope is separated, each rope is placed into the pin gap, and the pin of the rope inserting cylinder is inserted into the twisted seam of the steel wire rope strand at the part to be inserted and woven surrounding the whole set according to the two-four machine pin inserting weaving method or the three-two-one machine pin inserting weaving method. Because the steel wire rope is twisted left-handed or right-handed alternately, the insertion pin of the rope insertion cylinder is required to rotate left or right. Because the relative motion friction of left-handed rotation or right-handed rotation exists between the piston of the rope insertion cylinder and the cylinder barrel and between the guide sleeve and the piston sleeve, the rotary sealing parts arranged on the piston and the guide sleeve are easily abraded, and the rope insertion cylinder leaks oil. And the adoption import rotary sealing spare is with high costs, and the delivery period is longer, can't change in the very first time that equipment produced the oil leak phenomenon, and is very inconvenient.

The present application thus proposes a corner spindle mechanism with axial movement separated from rotation.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing an axial displacement and rotatory corner dabber mechanism who separates to solve the problem that above-mentioned prior art exists.

In order to achieve the above purpose, the utility model provides a following scheme: the utility model provides an axial displacement and rotation separation's corner dabber mechanism, include:

the outer side wall of the oil cylinder barrel is fixedly connected with two connector bodies, the two connector bodies are respectively positioned at two ends of the oil cylinder barrel, and the two connector bodies are both communicated with an inner cavity of the oil cylinder barrel;

the extension guide sleeve is fixedly connected to one end of the oil cylinder barrel and communicated with the oil cylinder barrel, and a guide groove is axially formed in the extension guide sleeve;

the piston sleeve is connected in the oil cylinder barrel in a sliding mode, one end of the piston sleeve is located between the two connector bodies, and the other end of the piston sleeve extends out of the oil cylinder barrel and is located in the extending guide sleeve;

the dabber, the dabber rotates to be connected in the piston sleeve, the one end of dabber stretches out piston sleeve and rigid coupling have the contact pin, be provided with guide screw on the lateral wall of dabber, guide screw sliding connection be in the guide way, the contact pin stretches out extend the uide bushing.

Preferably, flanges are respectively arranged at the ends, close to each other, of the extending guide sleeve and the cylinder barrel of the oil cylinder, and the two flanges are fixedly connected through a first bolt.

Preferably, an end cover is fixedly connected to one end, located in the cylinder barrel, of the piston sleeve, the end cover is connected with the piston sleeve through a first screw, and a first sealing ring is arranged between the end cover and the inner side wall of the piston sleeve.

Preferably, be provided with tapered roller bearing on piston sleeve's the inside wall, tapered roller bearing is close to the end cover, tapered roller bearing is close to the one end of end cover is provided with the gland, the gland is close to the one end of end cover is provided with the second screw, the second screw stretches into in the gland and with the tip threaded connection of dabber, the tip of dabber stretches into in the tapered roller bearing and with tapered roller bearing's inside wall can dismantle the connection.

Preferably, a thrust bearing is fixedly connected to the inner side wall of the piston sleeve, the thrust bearing is located far away from the piston sleeve from one end of the end cover, the thrust bearing is close to a ball bearing arranged on one side of the end cover, a spacer is arranged between the thrust bearing and the ball bearing, the large end face of the spacer is abutted to the thrust bearing, and the small end face of the spacer is abutted to the ball bearing.

Preferably, one end of the piston sleeve, which is located in the cylinder barrel of the oil cylinder, is provided with a plurality of mounting grooves, first sealing elements are arranged in the mounting grooves, and the first sealing elements are in sliding contact with the inner side wall of the cylinder barrel of the oil cylinder.

Preferably, a guide sleeve is arranged in the oil cylinder barrel, the guide sleeve is located at one end, close to the extending guide sleeve, of the oil cylinder barrel, a second sealing ring is arranged between the guide sleeve and the oil cylinder barrel, the piston sleeve is connected in the guide sleeve in a sliding mode, a second sealing element and a shaft bushing are arranged between the guide sleeve and the piston sleeve, and the shaft bushing is located at one end, close to the extending guide sleeve, of the guide sleeve.

Preferably, a clamping groove is circumferentially formed in the outer side wall of the extension guide sleeve, a clamping key is arranged in the clamping groove, the flange plate is sleeved on the outer side wall of the extension guide sleeve, a limiting groove is circumferentially formed in the inner edge of the flange plate, and the clamping key is abutted to the bottom wall of the limiting groove.

Preferably, one end of the mandrel, which extends out of the piston sleeve, is in threaded connection with one end of a threaded fixing sleeve, and the other end of the threaded fixing sleeve is fixedly connected with the contact pin.

Preferably, a dustproof ring is arranged between the extension guide sleeve and the piston sleeve, and the dustproof ring is positioned at one end, close to the cylinder barrel, of the extension guide sleeve.

The utility model discloses a following technological effect:

the utility model discloses in, hydraulic oil gets into in the hydro-cylinder through two joint bodies, thereby drive piston sleeve stretches out or contracts, the contact pin rigid coupling stretches out piston sleeve's one end at the dabber, the spindle is provided with guide screw, guide screw sliding connection is in spiral setting's guide way, when piston sleeve stretches out or contracts, guide screw slides in the guide way, thereby realize corner dabber mechanism's axial displacement and rotation separation, the tradition rope insertion cylinder has been avoided because between piston and the cylinder, the rotatory sealing member wearing and tearing that levogyration or dextrorotation between uide bushing and the piston sleeve lead to, lead to inserting the problem of rope cylinder oil leak.

The utility model provides a corner dabber mechanism has replaced traditional rope jar of inserting, has realized axial displacement and rotatory separation, has avoided wearing and tearing easily because of the rotatory sealing member that the relative rotary motion between piston and the cylinder body leads to, and then the phenomenon of inserting the rope jar oil leak that leads to, simultaneously, the utility model discloses need not to adopt rotatory sealing member, reduced manufacturing cost.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without inventive labor.

Fig. 1 is a schematic structural view of a corner mandrel mechanism with axial movement separated from rotation according to the present invention;

fig. 2 is a schematic structural view of the piston sleeve according to the present invention;

fig. 3 is a schematic structural view of the extension guide sleeve of the present invention;

wherein, 1, end cover; 2. a piston sleeve; 3. a gland; 4. a mandrel; 5. a spacer sleeve; 6. a first screw; 7. a first seal ring; 8. a second screw; 9. a tapered roller bearing; 10. a thrust bearing; 11. a fitting body; 12. an oil cylinder barrel; 13. a guide sleeve; 14. a card key; 15. a flange plate; 16. a guide screw; 17. an extension guide sleeve; 18. a threaded fixing sleeve; 19. inserting a pin; 20. a first seal member; 21. a second seal member; 22. a second seal ring; 23. a shaft bushing; 24. a first bolt; 25. a dust ring; 26. a second bolt; 27. a ball bearing.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.

In order to make the above objects, features and advantages of the present invention more comprehensible, the present invention is described in detail with reference to the accompanying drawings and the detailed description.

Referring to fig. 1-3, the utility model provides a corner dabber mechanism of axial displacement and rotatory separation, include:

the outer side wall of the oil cylinder barrel 12 is fixedly connected with two joint bodies 11, the two joint bodies 11 are respectively positioned at two ends of the oil cylinder barrel 12, and the two joint bodies 11 are both communicated with the inner cavity of the oil cylinder barrel 12;

the extension guide sleeve 17 is fixedly connected to one end of the oil cylinder barrel 12 and communicated with the oil cylinder barrel 12, and a guide groove is axially formed in the extension guide sleeve 17;

the piston sleeve 2 is connected in the oil cylinder barrel 12 in a sliding mode, one end of the piston sleeve 2 is located between the two joint bodies 11, and the other end of the piston sleeve 2 extends out of the oil cylinder barrel 12 and is located in the extension guide sleeve 17;

dabber 4, dabber 4 rotate to be connected in piston sleeve 2, and the one end of dabber 4 stretches out piston sleeve 2 and the rigid coupling has contact pin 19, is provided with guide screw 16 on the lateral wall of dabber 4, and guide screw 16 sliding connection is in the guide way, and contact pin 19 stretches out and extends extension uide bushing 17.

In this device, hydraulic oil passes through the connector body 11 and gets in and out the hydro-cylinder 12, and then drive piston sleeve 2 at the internal motion of hydro-cylinder 12, dabber 4 rotates to be connected in piston sleeve 2, set up threaded hole on the lateral wall of dabber 4, threaded hole female connection has guide screw 16, guide screw 16 sliding connection is in the guide way in extending uide bushing 17, when piston sleeve 2 stretches out or contracts, drive guide screw 16 and slide in the guide way, and then make dabber 4 rotate, realize the rotation and the axial displacement separation of corner dabber mechanism.

In a further optimized scheme, flanges 15 are respectively arranged at the ends, close to each other, of the extension guide sleeve 17 and the cylinder barrel 12, and the two flanges 15 are fixedly connected through a first bolt 24. The extending guide sleeve 17 is connected with the cylinder barrel 12 through two flanges 15.

According to the further optimization scheme, one end, located in the oil cylinder barrel 12, of the piston sleeve 2 is fixedly connected with the end cover 1, the end cover 1 is connected with the piston sleeve 2 through the first screw 6, and the first sealing ring 7 is arranged between the end cover 1 and the inner side wall of the piston sleeve 2. The end cover 1 and the first sealing ring 7 are used for ensuring the sealing performance of the piston sleeve 2 and preventing hydraulic oil from entering the piston sleeve 2.

Further optimize the scheme, be provided with tapered roller bearing 9 on the inside wall of piston sleeve 2, tapered roller bearing 9 is close to end cover 1, and tapered roller bearing 9 is close to the one end of end cover 1 and is provided with gland 3, and the one end that gland 3 is close to end cover 1 is provided with second screw 8, second screw 8 stretch into in the gland 3 and with dabber 4's tip threaded connection, the tip of dabber 4 stretch into in the tapered roller bearing 9 and can dismantle with tapered roller bearing 9 and be connected. Wherein, a clearance is reserved between the mandrel 4 and the tapered roller bearing 9, and the mandrel 4 and the piston sleeve 2 can be flexibly rotated.

Further optimize the scheme, the rigid coupling has thrust bearing 10 on the inside wall of piston sleeve 2, and thrust bearing 10 is located the one end that piston sleeve 2 kept away from end cover 1, and one side that thrust bearing 10 is close to end cover 1 is provided with ball bearing 27, is provided with spacer 5 between thrust bearing 10 and the ball bearing 27, and the big terminal surface and the thrust bearing 10 butt of spacer 5, the little terminal surface and the ball bearing 27 butt of spacer 5. Wherein a gap is left between the piston sleeve 2 and the end of the mandrel 4. So set up, ball bearing 27 forms the combination of the dynamic and static bearing that can bear radial force and can bear the axial force with thrust bearing 10 to bear radial force and axial force that dabber 4 received, guarantee that dabber 4 can normal rotation, can not take place the skew.

Further optimize the scheme, a plurality of mounting grooves have been seted up to the one end that piston sleeve 2 is located hydro-cylinder 12, is provided with first sealing member 20 in the mounting groove, the inside wall sliding contact of first sealing member 20 and hydro-cylinder 12. By the arrangement, hydraulic oil is prevented from passing through the joint of the piston sleeve 2 and the oil cylinder barrel 12, so that the piston sleeve 2 cannot normally extend out or contract.

According to the further optimization scheme, a guide sleeve 13 is arranged in the oil cylinder barrel 12, the guide sleeve 13 is located at one end, close to the extension guide sleeve 17, of the oil cylinder barrel 12, a second sealing ring 22 is arranged between the guide sleeve 13 and the oil cylinder barrel 12, the piston sleeve 2 is connected in the guide sleeve 13 in a sliding mode, a second sealing element 21 and a shaft bushing 23 are arranged between the guide sleeve 13 and the piston sleeve 2, and the shaft bushing 23 is located at one end, close to the extension guide sleeve 17, of the guide sleeve 13. The guide sleeve 13 prevents the piston sleeve 2 from directly rubbing against the cylinder barrel 12, and simultaneously, the piston sleeve 2 makes linear motion in the cylinder barrel 12, and meanwhile, a second sealing ring 22 is arranged between the guide sleeve 13 and the cylinder barrel 12, and a second sealing element 21 is arranged between the guide sleeve 13 and the piston sleeve 2, so that a sealing effect is achieved.

Further optimize the scheme, the draw-in groove has been seted up to circumference on the lateral wall of extension uide bushing 17, is provided with card key 14 in the draw-in groove, and 15 covers of ring flange are established on the lateral wall of extension uide bushing 17, and the spacing groove has been seted up to inner edge department circumference of ring flange 15, the diapire butt of card key 14 and spacing groove.

In a further optimized scheme, one end of the mandrel 4, which extends out of the piston sleeve 2, is in threaded connection with one end of a threaded fixing sleeve 18, and the other end of the threaded fixing sleeve 18 is fixedly connected with a contact pin 19.

Further optimize the scheme, extend and be provided with dust ring 25 between uide bushing 17 and the piston sleeve 2, dust ring 25 is located the one end that extends uide bushing 17 and be close to hydro-cylinder 12. The dust ring 25 is used for preventing dust debris from entering the joint of the piston sleeve 2 and the cylinder barrel 12, so that the movement of the piston sleeve 2 is blocked.

Further optimize the scheme, the rigid coupling has the flange on the lateral wall that extends uide bushing 17, has seted up the through-hole on the flange, wears to be equipped with second bolt 26 in the through-hole, extends uide bushing 17 and installs in the machine frame of inserting the braider through second bolt 26.

The working principle is as follows: the device is installed on a frame of a splicing machine through a second bolt 26 and is connected into a hydraulic system, hydraulic oil enters the cylinder barrel 12 of the oil cylinder through the joint body 11 fixedly connected on the cylinder barrel 12 of the oil cylinder to drive the piston sleeve 2 to move up and down, and because the tapered roller bearing 9 is installed between the mandrel 4 and the piston sleeve 2 to bear axial and radial force, the thrust bearing 10 bears axial force, and the ball bearing 27 bears radial force, the three bearings bear acting force transmitted by the contact pin 19 together. The core shaft 4 can rotate left or right along with the guide screw 16 in the guide groove of the extension guide sleeve 17, the contact pin 19 is connected with the tail end of the core shaft 4 through the thread fixing sleeve 18 in a threaded mode, and the contact pin 19 rotates left or right along with the guide screw 16. There is no rotational movement between the piston sleeve 2 and the cylinder bore 12, and between the guide sleeve 13 and the piston sleeve 2. The first seal 20 and the second seal 21 do not generate rotational wear.

In the description of the present invention, it is to be understood that the terms "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are merely for convenience of description of the present invention, and do not indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

The above-mentioned embodiments are only described in the preferred embodiments of the present invention, but not limited to the scope of the present invention, and various modifications and improvements made by the technical solutions of the present invention by those skilled in the art should fall within the protection scope defined by the claims of the present invention without departing from the design spirit of the present invention.

Claims

1. The utility model provides an axial displacement and rotation separation's corner dabber mechanism which characterized in that includes:

the outer side wall of the oil cylinder barrel (12) is fixedly connected with two joint bodies (11), the two joint bodies (11) are respectively positioned at two ends of the oil cylinder barrel (12), and the two joint bodies (11) are communicated with an inner cavity of the oil cylinder barrel (12);

the extension guide sleeve (17) is fixedly connected to one end of the oil cylinder barrel (12) and communicated with the oil cylinder barrel (12), and a guide groove is axially formed in the extension guide sleeve (17);

the piston sleeve (2) is connected in the oil cylinder barrel (12) in a sliding mode, one end of the piston sleeve (2) is located between the two joint bodies (11), and the other end of the piston sleeve (2) extends out of the oil cylinder barrel (12) and is located in the extension guide sleeve (17);

dabber (4), dabber (4) rotate to be connected in piston sleeve (2), the one end of dabber (4) is stretched out piston sleeve (2) and rigid coupling have contact pin (19), be provided with guide screw (16) on the lateral wall of dabber (4), guide screw (16) sliding connection is in the guide way, contact pin (19) stretch out extend uide bushing (17).

2. An axially displaced and rotationally decoupled corner mandrel mechanism according to claim 1 wherein: and the extending guide sleeve (17) and one end, close to the oil cylinder barrel (12), of the oil cylinder barrel are respectively provided with a flange plate (15), and the two flange plates (15) are fixedly connected through a first bolt (24).

3. An axially displaced and rotationally decoupled corner mandrel mechanism according to claim 1 wherein: the piston sleeve (2) is located one end of the oil cylinder barrel (12) is fixedly connected with an end cover (1), the end cover (1) is connected with the piston sleeve (2) through a first screw (6), and a first sealing ring (7) is arranged between the end cover (1) and the inner side wall of the piston sleeve (2).

4. A corner mandrel mechanism that moves axially and rotationally decoupled according to claim 3 wherein: be provided with tapered roller bearing (9) on the inside wall of piston sleeve (2), tapered roller bearing (9) are close to end cover (1), tapered roller bearing (9) are close to the one end of end cover (1) is provided with gland (3), gland (3) are close to the one end of end cover (1) is provided with second screw (8), second screw (8) stretch into in gland (3) and with the tip threaded connection of dabber (4), the tip of dabber (4) stretches into in tapered roller bearing (9) and with the connection can be dismantled to the inside wall of tapered roller bearing (9).

5. An axially displaced and rotationally decoupled corner mandrel mechanism according to claim 4, wherein: the rigid coupling has thrust bearing (10) on the inside wall of piston sleeve (2), thrust bearing (10) are located piston sleeve (2) is kept away from the one end of end cover (1), thrust bearing (10) are close to one side of end cover (1) is provided with ball bearing (27), thrust bearing (10) with be provided with spacer (5) between ball bearing (27), the big terminal surface of spacer (5) with thrust bearing (10) butt, the little terminal surface of spacer (5) with ball bearing (27) butt.

6. An axially displaced and rotationally decoupled corner mandrel mechanism according to claim 1 wherein: a plurality of mounting grooves are formed in one end, located in the oil cylinder barrel (12), of the piston sleeve (2), first sealing elements (20) are arranged in the mounting grooves, and the first sealing elements (20) are in sliding contact with the inner side wall of the oil cylinder barrel (12).

7. The axially displaced and rotationally decoupled corner spindle mechanism of claim 1, wherein: be provided with uide bushing (13) in hydro-cylinder (12), uide bushing (13) are located hydro-cylinder (12) are close to extend the one end of uide bushing (17), uide bushing (13) with be provided with second sealing washer (22) between hydro-cylinder (12), piston sleeve (2) sliding connection be in uide bushing (13), uide bushing (13) with be provided with second sealing member (21) and axle with bush (23) between piston sleeve (2), axle is located bush (23) are located uide bushing (13) are close to extend the one end of uide bushing (17).

8. The axially displaced and rotationally decoupled corner spindle mechanism of claim 2, wherein: the draw-in groove has been seted up to circumference on the lateral wall of extension uide bushing (17), be provided with card key (14) in the draw-in groove, ring flange (15) cover is established extend on the lateral wall of uide bushing (17), the spacing groove has been seted up to inner edge department circumference of ring flange (15), card key (14) with the diapire butt of spacing groove.

9. The axially displaced and rotationally decoupled corner spindle mechanism of claim 1, wherein: one end of the mandrel (4) extending out of the piston sleeve (2) is connected with one end of a thread fixing sleeve (18) in a threaded manner, and the other end of the thread fixing sleeve (18) is fixedly connected with the contact pin (19).

10. An axially displaced and rotationally decoupled corner mandrel mechanism according to claim 1 wherein: a dustproof ring (25) is arranged between the extension guide sleeve (17) and the piston sleeve (2), and the dustproof ring (25) is positioned at one end, close to the oil cylinder barrel (12), of the extension guide sleeve (17).