CN114893467A

CN114893467A - Telescopic hydraulic cylinder for textile machinery

Info

Publication number: CN114893467A
Application number: CN202210471376.5A
Authority: CN
Inventors: 秦明明
Original assignee: Nantong Hongteng Thread Belt Co ltd
Current assignee: Nantong Hongteng Thread Belt Co ltd
Priority date: 2022-04-28
Filing date: 2022-04-28
Publication date: 2022-08-12

Abstract

The invention discloses a telescopic hydraulic cylinder for textile machinery, which comprises a cylinder sleeve, wherein a guide sleeve is installed at the upper end of the cylinder sleeve, a front end cover is installed at the upper end of the guide sleeve, a rear base is installed at the lower end of the cylinder sleeve through a bolt, a working oil cavity is arranged in the cylinder sleeve, a first oil pipe and a second oil pipe are communicated with the cylinder sleeve, a piston plate is arranged in the working oil cavity, and a piston rod is fixedly connected to the upper end surface of the piston plate; the side wall of the cylinder sleeve is symmetrically provided with a plurality of connecting frames, a plurality of boxes are installed on the connecting frames, a limiting seat is fixedly installed in each box, a limiting disc is movably connected in the limiting seat, and a worm is fixedly connected to the limiting disc. Has the advantages that: the invention has the advantages of ingenious structure and reasonable design, and when a hydraulic system of the hydraulic cylinder breaks down, the motor can be adopted to drive the mechanical structure to realize the extension and retraction of the piston rod in time, thereby ensuring the uninterrupted production and coping with emergency situations in time.

Description

Telescopic hydraulic cylinder for textile machinery

Technical Field

The invention relates to the technical field of textile equipment, in particular to a telescopic hydraulic cylinder for textile machinery.

Background

The textile origin is a general name taken from spinning and weaving, but with the continuous development and perfection of a textile knowledge system and a subject system, particularly after non-woven textile materials and three-dimensional compound weaving and other technologies are produced, the textile is not only produced by traditional hand spinning and weaving, but also produced by non-woven fabric technology, modern three-dimensional weaving technology, modern electrostatic nano-web forming technology and the like, and is used for clothing, industry and decoration. The hydraulic cylinder is an indispensable executive component in the textile machinery, which utilizes the hydraulic principle to drive the piston to do work to realize the function, converts the hydraulic energy into the mechanical energy and is a hydraulic executive component which does linear reciprocating motion, has simple structure and reliable work, can remove a speed reducer when realizing the reciprocating motion, has no transmission clearance, moves stably, and has output force of the hydraulic cylinder which is in direct proportion to the effective area of the piston and the pressure difference between the two sides of the piston, but needs professional maintenance personnel to maintain when the hydraulic cylinder breaks down, so that for manufacturers, the waiting time from the application after sale to the maintenance is longer, the production stagnation can be caused when the hydraulic cylinder can not continue to work in the process, and the production efficiency of the factories is reduced.

To this end, we propose a telescopic hydraulic cylinder for textile machines to solve the above-mentioned problems.

Disclosure of Invention

The invention aims to solve the problems in the prior art and provides a telescopic hydraulic cylinder for textile machinery.

In order to achieve the purpose, the invention adopts the following technical scheme:

a telescopic hydraulic cylinder for textile machinery comprises a cylinder sleeve, a guide sleeve is arranged at the upper end of the cylinder sleeve, the upper end of the guide sleeve is provided with a front end cover, the guide sleeve and the front end cover are both arranged on the cylinder sleeve through bolts, the lower end of the cylinder sleeve is provided with a rear base through bolts, and part of the rear base extends into the cylinder sleeve, a working oil cavity is arranged in the cylinder sleeve, a first oil pipe and a second oil pipe are communicated with the cylinder sleeve, the first oil pipe and the second oil pipe are communicated with the working oil cavity, a piston plate is arranged in the working oil cavity and divides the working oil cavity into an upper oil cavity and a lower oil cavity, the upper oil cavity is arranged close to the front end cover, the first oil pipe is communicated with the upper oil cavity, the lower oil cavity is arranged close to the rear base, the second oil pipe is communicated with the lower oil cavity, the upper end face of the piston plate is fixedly connected with a piston rod, and the piston rod sequentially penetrates through the guide sleeve and the front end cover and extends upwards;

many links are installed to the symmetry on the lateral wall of cylinder liner, many install the box on the link jointly, and the upper end of piston rod runs through the box and installs the mount pad, fixed mounting has a limit seat in the box, swing joint has a limit dish in the limit seat, fixedly connected with worm on the limit dish, set up threaded hole jointly on worm and the limit dish, and screw hole and piston rod threaded connection, horizontal installation has the installation axle in the box, install the worm wheel on the installation axle, and worm wheel and worm meshing, install the motor on the lateral wall of box, install gear drive before the output shaft of motor and the installation axle.

In foretell telescopic hydraulic cylinder for textile machinery, symmetry fixed mounting has a plurality of connecting rods, every on the lateral wall of restriction dish equal fixed mounting has the limited ball on the connecting rod, the round hole has been seted up on the restriction seat, spacing annular has been seted up on the inside wall of round hole, and every is injectd the equal sliding connection of ball in spacing annular.

In the telescopic hydraulic cylinder for textile machinery, the gear transmission mechanism comprises a driving gear, the driving gear is installed on an output shaft of a motor, a driven gear is installed on an installation shaft, and the driven gear is meshed with the driving gear.

In foretell telescopic pneumatic cylinder for textile machinery, the piston rod includes cylinder pole and threaded rod, and cylinder pole and piston plate fixed connection, the threaded rod is located outside the cylinder liner, and threaded rod and screw hole threaded connection, a plurality of spacing grooves have been seted up to the symmetry on the lateral wall of cylinder pole, the symmetry is equipped with a plurality of stoppers on the hole of front end housing, and every stopper all is located the corresponding spacing inslot in position.

In the telescopic hydraulic cylinder for textile machinery, a cooling cavity is formed in the cylinder sleeve, a cooling ring pipe is arranged in the cooling cavity in an annular mode, two ends of the cooling ring pipe penetrate through the cylinder sleeve and are communicated with a cooling circulating pipe together, the cooling ring pipe and the cooling circulating pipe are filled with cooling liquid, and a circulating pump is mounted on the cooling circulating pipe.

In the telescopic hydraulic cylinder for textile machinery, the cooling water tank is arranged on the cooling circulating pipe, the cooling water tank is sleeved outside the cooling circulating pipe, the cooling fins are arranged on the inner wall of the cooling water tank, and the cooling fins penetrate through the cooling water tank and extend outwards.

In the telescopic hydraulic cylinder for textile machinery, one end of the cooling ring pipe is connected with the cooling circulating pipe through the liquid injection connecting seat, the liquid injection valve is installed on the liquid injection connecting seat, the other end of the cooling ring pipe is connected with the cooling circulating pipe through the liquid discharge connecting seat, and the liquid discharge valve is installed on the liquid discharge connecting seat.

In the telescopic hydraulic cylinder for textile machinery, a plurality of threaded mounting holes are uniformly formed in the rear base.

In the telescopic hydraulic cylinder for textile machinery, a groove is formed in the upper end of the guide sleeve, a locking block is fixedly connected to the lower end of the front end cover and located in the groove, an oil seal is installed in the groove, and the lower end face of the locking block abuts against the upper end face of the oil seal.

Compared with the prior art, the invention has the beneficial effects that:

1. the piston rod can move through the motor, the driving gear, the driven gear, the worm wheel, the worm and other parts, so that when a hydraulic system of the hydraulic cylinder breaks down, the normal movement of the piston rod can be guaranteed by driving a mechanical structure through the motor, the normal operation of production is further guaranteed, and the production stagnation is avoided before the hydraulic system is maintained.

2. The setting of limiting disc, limiting seat, limiting ring groove, connecting rod and limited ball can enough guarantee that the worm can not take place the removal on the position along the direction of worm axis along with worm wheel pivoted in, and then guarantee to take place to remove the flexible function that realizes the device with worm threaded connection's piston rod in vertical direction.

3. Relative sliding between the spacing block on spacing groove on the cylinder pole and the front end housing, when the worm rotated, the piston rod can not rotate along with the rotation of worm, and then guaranteed that the piston rod removes along the direction of axis.

4. The cooling ring canal utilizes the principle of heat exchange to pass through the temperature that the coolant liquid reduced hydraulic oil in cylinder liner and the cylinder liner, and the coolant liquid after carrying out the heat exchange flows into the cooling circulation pipe, utilizes the fin to reduce the temperature of coolant liquid in the cooling circulation pipe, and the coolant liquid after the cooling passes through the circulating pump and gets into the cooling ring canal once more, carries out circulation cooling, guarantees the cooling effect to hydraulic oil in cylinder liner and the cylinder liner.

In conclusion, the hydraulic cylinder has the advantages of ingenious structure and reasonable design, when a hydraulic system of the hydraulic cylinder breaks down, the motor can be adopted to drive the mechanical structure to stretch the piston rod in time, uninterrupted production is guaranteed, and emergency situations can be dealt with in time.

Drawings

FIG. 1 is a schematic structural diagram of a telescopic hydraulic cylinder for textile machinery according to the present invention;

FIG. 2 is an enlarged view of a part of the structure of a cooling chamber in a telescopic hydraulic cylinder for a textile machine according to the present invention;

FIG. 3 is an enlarged view of the worm wheel part of the telescopic hydraulic cylinder for textile machinery according to the present invention;

FIG. 4 is an enlarged view of a worm part of the telescopic hydraulic cylinder for textile machinery according to the present invention;

FIG. 5 is an enlarged view of a portion defining a seat in a telescopic hydraulic cylinder for a textile machine according to the present invention.

In the figure: 1 cylinder sleeve, 2 first oil pipe, 3 second oil pipe, 4 rear bases, 5 threaded mounting holes, 6 cooling water tanks, 7 cooling fins, 8 guide sleeves, 9 connecting frames, 10 liquid drainage connecting seats, 11 liquid injection connecting seats, 12 box bodies, 13 piston rods, 14 mounting seats, 15 motors, 16 driven gears, 17 driving gears, 18 worm gears, 19 mounting shafts, 20 piston plates, 21 limiting seats, 22 round holes, 23 limiting ring grooves, 24 connecting rods, 25 limiting balls, 26 limiting discs, 27 worms, 28 threaded holes, 29 front end covers, 30 oil seals, 31 cooling cavities, 32 cooling circulating pipes and 33 cooling ring pipes;

13 piston rods, 1301 threaded rods, 1302 cylindrical rods and 1303 limit grooves.

Detailed Description

The following examples are for illustrative purposes only and are not intended to limit the scope of the present invention.

Examples

Referring to fig. 1-5, a telescopic hydraulic cylinder for textile machinery comprises a cylinder sleeve 1, wherein a guide sleeve 8 is installed at the upper end of the cylinder sleeve 1, a front end cover 29 is installed at the upper end of the guide sleeve 8, the guide sleeve 8 and the front end cover 29 are both installed on the cylinder sleeve 1 through bolts, a groove is formed in the upper end of the guide sleeve 8, a locking block is fixedly connected to the lower end of the front end cover 29 and is located in the groove, an oil seal 30 is installed in the groove, the lower end face of the locking block abuts against the upper end face of the oil seal 30, a rear base 4 is installed at the lower end of the cylinder sleeve 1 through bolts, a part of the rear base 4 extends into the cylinder sleeve 1, and a plurality of thread installation holes 5 are uniformly formed in the rear base 4;

a working oil cavity is arranged in the cylinder sleeve 1, a first oil pipe 2 and a second oil pipe 3 are communicated with the cylinder sleeve 1, the first oil pipe 2 and the second oil pipe 3 are both communicated with the working oil cavity, a piston plate 20 is arranged in the working oil cavity, the working oil cavity is divided into an upper oil cavity and a lower oil cavity by the piston plate 20, the upper oil cavity is arranged close to the front end cover 29, the first oil pipe 2 is communicated with the upper oil cavity, the lower oil cavity is arranged close to the rear base 4, the second oil pipe 3 is communicated with the lower oil cavity, the upper end face of the piston plate 20 is fixedly connected with a piston rod 13, and the piston rod 13 sequentially penetrates through the guide sleeve 8 and the front end cover 29 and extends upwards;

a plurality of connecting frames 9 are symmetrically arranged on the side wall of the cylinder sleeve 1, a box body 12 is jointly arranged on the connecting frames 9, the upper end of the piston rod 13 penetrates through the box body 12 and is provided with the mounting seat 14, a limiting seat 21 is fixedly arranged in the box body 12, a limiting disc 26 is movably connected in the limiting seat 21, a plurality of connecting rods 24 are symmetrically and fixedly arranged on the outer side wall of the limiting disc 26, a limiting ball 25 is fixedly arranged on each connecting rod 24, a round hole 22 is arranged on the limiting seat 21, a limiting ring groove 23 is arranged on the inner side wall of the round hole 22, each limiting ball 25 is connected in the limiting ring groove 23 in a sliding way, a worm 27 is fixedly connected on the limiting disc 26, the worm 27 and the limiting disc 26 are provided with a threaded hole 28 together, the threaded hole 28 is in threaded connection with the piston rod 13, the mounting shaft 19 is horizontally mounted in the box body 12, the worm wheel 18 is mounted on the mounting shaft 19, and the worm wheel 18 is meshed with the worm 27;

a motor 15 is arranged on the outer side wall of the box body 12, a gear transmission mechanism is arranged in front of an output shaft of the motor 15 and a mounting shaft 19, the gear transmission mechanism comprises a driving gear 17, the driving gear 17 is arranged on the output shaft of the motor 15, a driven gear 16 is arranged on the mounting shaft 19, and the driven gear 16 is meshed with the driving gear 17;

the piston rod 13 comprises a cylindrical rod 1302 and a threaded rod 1301, the cylindrical rod 1302 is fixedly connected with the piston plate 20, the threaded rod 1301 is located outside the cylinder sleeve 1, the threaded rod 1301 is in threaded connection with the threaded hole 28, a plurality of limiting grooves 1303 are symmetrically formed in the outer side wall of the cylindrical rod 1302, a plurality of limiting blocks are symmetrically arranged in the inner hole of the front end cover 29, and each limiting block is located in the corresponding limiting groove 1303;

set up cooling chamber 31 in the cylinder liner 1, cooling chamber 31 inner ring is equipped with cooling ring pipe 33, the both ends of cooling ring pipe 33 all run through cylinder liner 1 and communicate jointly and have cooling circulation pipe 32, cooling ring pipe 33 and cooling circulation pipe 32 intussuseption are filled with the coolant liquid, the last circulating pump of installing of cooling circulation pipe 32, install cooling water tank 6 on the

cooling circulation pipe

32, and 6 covers of cooling water tank are established outside cooling circulation pipe 32, install fin 7 on cooling water tank 6's the inner wall, and fin 7 runs through cooling water tank 6 and outwards extends, the one end of cooling ring pipe 33 is connected with cooling circulation pipe 32 through annotating liquid connecting seat 11, install the notes liquid valve on the connecting seat 11, the other end of cooling ring pipe 33 is connected with cooling circulation pipe 32 through flowing back connecting seat 10, install the flowing back valve on the flowing back connecting seat 10.

When a hydraulic system of the hydraulic cylinder fails, an oil circuit of the hydraulic cylinder is closed, the motor 15 is simultaneously opened, an output shaft of the motor 15 drives the driving gear 17 to rotate, the driving gear 17 drives the driven gear 16 to rotate through gear meshing, so that the mounting shaft 19 rotates along with the driving gear and drives the worm wheel 18 to rotate, the worm 27 rotates along with the rotation of the worm wheel 18, the limiting disc 26 rotates along with the rotation of the limiting disc 26 when the worm 27 rotates, the connecting rod 24 fixedly connected to the limiting disc 26 drives the limiting ball 25 to rotate in the limiting ring groove 23, the limiting disc 26, the connecting rod 24 and the limiting ball 25 limit the movement of the worm 27, the worm 27 is ensured not to move in position while rotating along with the worm wheel 18, when the worm 27 and the limiting disc 26 rotate, the threaded rod 1301 in threaded connection with the threaded hole 28 moves along the axial direction of the piston rod 13 under the limiting effect of the limiting groove 1303 and the limiting block, thereby realizing the extension and retraction of the hydraulic cylinder;

when the hydraulic cylinder can be normally used, the liquid injection valve and the liquid discharge valve are opened, the cooling circulation pipe 32 and the cooling ring pipe 33 form a circulation loop, the circulation pump is opened, the circulation pump drives cooling liquid to flow in the cooling circulation pipe 32 and the cooling ring pipe 33, heat exchange is generated between the cooling liquid and the inner wall of the cylinder sleeve 1 when the cooling liquid flows into the cooling ring pipe 33, the temperature of the cylinder sleeve 1 is reduced, meanwhile, the temperature inside a working oil cavity is reduced through the cylinder sleeve 1, and the cooling liquid with the increased temperature flows into the cooling circulation pipe 32 and is cooled through the radiating fins 7.

Although the terms of cylinder liner 1, first oil pipe 2, second oil pipe 3, rear base 4, threaded mounting hole 5, cooling water tank 6, heat sink 7, guide sleeve 8, connecting bracket 9, liquid discharge connecting seat 10, liquid injection connecting seat 11, casing 12, piston rod 13, threaded rod 1301, cylindrical rod 1302, limiting groove 1303, mounting seat 14, motor 15, driven gear 16, driving gear 17, worm wheel 18, mounting shaft 19, piston plate 20, limiting seat 21, circular hole 22, limiting ring groove 23, connecting rod 24, limiting ball 25, limiting disc 26, worm 27, threaded hole 28, front end cover 29, oil seal 30, cooling 31, cooling circulation pipe 32, cooling ring 33, etc. are used more often, the possibility of using other terms is not excluded. These terms are used merely to more conveniently describe and explain the nature of the present invention; they are to be construed as being without limitation to any additional limitations that may be imposed by the spirit of the present invention.

Claims

1. The utility model provides a telescopic pneumatic cylinder for spinning machine, includes cylinder liner (1), its characterized in that: the oil cylinder is characterized in that a guide sleeve (8) is installed at the upper end of the cylinder sleeve (1), a front end cover (29) is installed at the upper end of the guide sleeve (8), a rear base (4) is installed at the lower end of the cylinder sleeve (1) through a bolt, a working oil cavity is arranged in the cylinder sleeve (1), a first oil pipe (2) and a second oil pipe (3) are communicated with the cylinder sleeve (1), a piston plate (20) is arranged in the working oil cavity, a piston rod (13) is fixedly connected to the upper end face of the piston plate (20), and the piston rod (13) sequentially penetrates through the guide sleeve (8) and the front end cover (29) and extends upwards;

a plurality of connecting frames (9) are symmetrically arranged on the side wall of the cylinder sleeve (1), a box body (12) is jointly arranged on the plurality of connecting frames (9), the upper end of the piston rod (13) penetrates through the box body (12) and is provided with a mounting seat (14), a limiting seat (21) is fixedly arranged in the box body (12), a limiting disc (26) is movably connected in the limiting seat (21), a worm (27) is fixedly connected to the limiting disc (26), a threaded hole (28) is jointly formed in the worm (27) and the limiting disc (26), the threaded hole (28) is in threaded connection with the piston rod (13), an installation shaft (19) is horizontally installed in the box body (12), a worm wheel (18) is installed on the installation shaft (19), the worm wheel (18) is meshed with the worm (27), the outer side wall of the box body (12) is provided with a motor (15), a gear transmission mechanism is arranged in front of an output shaft of the motor (15) and the mounting shaft (19).

2. The telescopic hydraulic cylinder for textile machinery according to claim 1, characterized in that: symmetrical fixed mounting has a plurality of connecting rods (24), every on the lateral wall of restriction dish (26) equal fixed mounting has inject ball (25) on connecting rod (24), round hole (22) have been seted up on restriction seat (21), spacing annular (23) have been seted up on the inside wall of round hole (22), and every is injectd equal sliding connection of ball (25) in spacing annular (23).

3. The telescopic hydraulic cylinder for textile machinery according to claim 1, characterized in that: the gear transmission mechanism comprises a driving gear (17), the driving gear (17) is installed on an output shaft of the motor (15), a driven gear (16) is installed on the installation shaft (19), and the driven gear (16) is meshed with the driving gear (17).

4. The telescopic hydraulic cylinder for textile machinery according to claim 1, characterized in that: the piston rod (13) comprises a cylindrical rod (1302) and a threaded rod (1301), the cylindrical rod (1302) is fixedly connected with the piston plate (20), the threaded rod (1301) is located outside the cylinder sleeve (1), the threaded rod (1301) is in threaded connection with the threaded hole (28), a plurality of limiting grooves (1303) are symmetrically formed in the outer side wall of the cylindrical rod (1302), a plurality of limiting blocks are symmetrically arranged on an inner hole of the front end cover (29), and each limiting block is located in the corresponding limiting groove (1303) in position.

5. The telescopic hydraulic cylinder for textile machinery according to claim 1, characterized in that: the cooling structure is characterized in that a cooling cavity (31) is formed in the cylinder sleeve (1), a cooling ring pipe (33) is arranged in the inner ring of the cooling cavity (31), two ends of the cooling ring pipe (33) penetrate through the cylinder sleeve (1) and are communicated with a cooling circulating pipe (32) together, cooling liquid is filled in the cooling ring pipe (33) and the cooling circulating pipe (32), and a circulating pump is installed on the cooling circulating pipe (32).

6. The telescopic hydraulic cylinder for textile machinery according to claim 5, characterized in that: install cooling water tank (6) on cooling circulation pipe (32), and outside cooling water tank (6) cover was established cooling circulation pipe (32), install fin (7) on the inner wall of cooling water tank (6), and fin (7) run through cooling water tank (6) and outwards extend.

7. The telescopic hydraulic cylinder for textile machinery according to claim 5, characterized in that: one end of the cooling ring pipe (33) is connected with the cooling circulation pipe (32) through a liquid injection connecting seat (11), a liquid injection valve is installed on the liquid injection connecting seat (11), the other end of the cooling ring pipe (33) is connected with the cooling circulation pipe (32) through a liquid discharge connecting seat (10), and a liquid discharge valve is installed on the liquid discharge connecting seat (10).

8. The telescopic hydraulic cylinder for textile machinery according to claim 1, characterized in that: and a plurality of thread mounting holes (5) are uniformly formed in the rear base (4).

9. The telescopic hydraulic cylinder for textile machinery according to claim 1, characterized in that: the upper end of the guide sleeve (8) is provided with a groove, the lower end of the front end cover (29) is fixedly connected with a locking block, the locking block is located in the groove, an oil seal (30) is installed in the groove, and the lower end face of the locking block abuts against the upper end face of the oil seal (30).