CN210394663U

CN210394663U - Doffer

Info

Publication number: CN210394663U
Application number: CN201920633268.7U
Authority: CN
Inventors: 侯国阳
Original assignee: Individual
Current assignee: Individual
Priority date: 2018-07-10
Filing date: 2019-05-06
Publication date: 2020-04-24
Anticipated expiration: 2029-05-06
Also published as: CN108677290A; CN110055640A

Abstract

The utility model relates to a doffer. The automatic doffer comprises a clamping device, a sensor, a controller, an upper guide rail, a lower guide rail and a moving device for driving the clamping device to move, wherein the clamping device is arranged on a frame of the doffer through the moving device, the sensor is arranged on the frame of the doffer and connected with the controller, a sensor for triggering the sensor is arranged on the spinning frame, the upper guide rail is fixedly connected onto the spinning frame through a supporting foot, the doffer is connected onto the upper guide rail through a roller in a rolling manner, the lower guide rail is fixedly connected onto the spinning frame through the supporting foot, and the doffer is connected onto the lower guide rail through a leaning wheel in. The limitation that the positioning precision of the chuck is required to be high in the prior art is broken through, the positioning range of the chuck can be expanded, and the spindle is not damaged; through the mutual action of the sensor, the controller and the sensor, the movement directions of the clamping device and the doffer are kept relatively static during the yarn drawing of the doffer; the whole doffer has reasonable structural design, strong practicability and high efficiency, and solves the existing problems.

Description

Doffer

Technical Field

The utility model relates to a doffer.

Background

In the yarn pulling process of the conventional doffer, the yarn pulling of the clamping device and the advancing of the doffer easily generate relative position deviation and inaccurate positioning, the conventional chucks are used for clamping the yarn tube independently, and when the clamping position of the chuck deviates, the spindle is easily damaged; therefore, the existing doffer has extremely high requirement on the positioning precision of the chuck, and the yarn pulling work is carried out through a complicated mechanical transmission mechanism; secondly, the thread cutting work after the thread drawing is finished, and the problem that the thread is torn in the thread cutting process and cannot be finished at one time or the spindle is damaged by the blade exists when the blade is used for cutting the thread; therefore, the prior doffer has certain limitation.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the problems and provides a doffer, which breaks through the limitation of high positioning precision of the chuck in the prior art by the relative movement of the front clamping plate and the rear clamping plate of the clamping device, can enlarge the positioning range of the chuck without damaging the spindle; the clamping device is started to pull yarns through the mutual action of the sensor, the controller and the sensor, so that the moving directions of the clamping device and the doffer are kept relatively static during the yarn pulling period of the doffer; the technical scheme is as follows:

a doffer comprises a clamping device, a sensor, a controller, an upper guide rail, a lower guide rail and a moving device for driving the clamping device to move, wherein the clamping device is arranged on a frame of the doffer through the moving device, the moving device comprises an X-direction moving group, a Y-direction moving group and a Z-direction moving group, the clamping device comprises a front clamping plate with an elastic wear-resistant sheet, a rear clamping plate with an elastic wear-resistant sheet, a pushing device and a first transmission mechanism, the pushing device drives the front clamping plate to move and the rear clamping plate to move or the front clamping plate and the rear clamping plate to move simultaneously through the first transmission mechanism, the sensor is arranged on the frame of the doffer and connected with the controller, the spinning frame is provided with the sensor for triggering the sensor, the upper guide rail is fixedly connected on the spinning frame through a supporting foot, the doffer is connected on the upper guide rail in a rolling manner through a roller, the lower guide rail is, the doffer is connected to the lower guide rail through a idler wheel in a rolling way.

The X-direction moving group, the Y-direction moving group and the Z-direction moving group are all gear and rack transmission mechanisms.

Optionally, the doffer further comprises at least two first rubber wheels, wherein the first rubber wheels are mounted on the frame and driven by a motor to move along the upper guide rail; the upper guide rail is a square tube or an angle iron, and the lower guide rail is a square tube, a round tube or an angle iron.

Optionally, the doffer further comprises a first lifting device for lifting the doffer, wherein the first lifting device is an air cylinder or a hydraulic cylinder; the universal wheel of the doffer is arranged at the bottom of the base, the directional wheel of the doffer is arranged at the bottom of the frame or the bottom of the base, the first lifting device is vertically arranged, one end of the first lifting device is fixedly connected with the base, and the other end of the first lifting device is fixedly connected with the frame; the frame is driven by the first lifting device to move up and down relative to the base.

Optionally, the doffer further comprises a thread cutting device, the thread cutting device comprises a plurality of static sheets, a plurality of moving sheets, a pressing device used for pressing the static sheets and the moving sheets tightly, and a pushing motor used for moving the moving sheets, a plurality of blades are formed at the extending ends of the static sheets and the moving sheets, the static sheets are transversely arranged and arranged on the supporting frame, the moving sheets are attached to one side of the static sheets through the pressing device, and the pushing motor drives the moving sheets to be attached to the static sheets to move in a reciprocating mode.

Optionally, the thread trimming device of the doffer further comprises a connecting rod used for connecting and linking the movable blades, the other sides of the movable blades are connected through the connecting rod, the pushing motor is connected with the connecting rod, and the movable blades are driven by the connecting rod to be attached to the static blades to move in a reciprocating mode.

Optionally, the thread trimming device of the doffer further includes a lead frame disposed between the adjacent still pieces.

Optionally, the doffer further comprises a driving device for driving the doffing device to move and a second lifting device for driving the doffing device to lift, the driving device comprises a second rubber wheel, a third rubber wheel, a driving motor and a second transmission mechanism, the driving motor, the second rubber wheel and the third rubber wheel are connected through belt transmission or chain transmission, a blocking piece for preventing the bobbin from being blocked is arranged below the second rubber wheel, and the second transmission mechanism is connected with the bobbin disc and drives the bobbin disc to move back and forth; the second transmission mechanism comprises a third motor, a driving shaft and a groove seat matched with the driving shaft, the groove seat is arranged on the lower surface of the bobbin disc, and the opening direction of the groove seat faces downwards; one end of the driving shaft is positioned in the open slot of the slot seat, and the other end of the driving shaft is connected with a third motor through an eccentric wheel; the second lifting device is a motor or a hydraulic cylinder, one end of the second lifting device is fixed on the rack, and the other end of the second lifting device is fixedly connected to the bottom of the pipe dropping device.

Optionally, the doffer further comprises a turnover device for driving the clamping device to turn over, the turnover device comprises a first motor with an encoder, a second motor with an encoder, two rotating seats, a connecting shaft, a guide rod, a guide rail, a guide block and a spring, the first motor drives the turnover device to move up and down, the turnover device is connected to the substrate in a sliding manner through a bottom plate, the second motor drives the clamping device to move horizontally, one end of each rotating seat is fixedly connected to a flat plate of the clamping device, and the other end of each rotating seat is connected with the two rotating seats through the connecting shaft; the connecting shaft is arranged in the bottom plate in a penetrating manner, one end of the guide rod is arranged on a flat plate of the clamping device, and the other end of the guide rod is abutted to the guide block; the guide block is provided with two guide tracks for guiding the movement of the rod, the guide tracks are arranged on the base plate, the guide block is connected with the guide tracks in a sliding manner through a sliding block, and the sliding direction of the guide block is vertical to the advancing direction of the doffer; one end of the spring is fixedly connected to the first fixed seat of the guide rail, and the other end of the spring is fixedly connected to the guide block.

Optionally, the doffer further comprises a movable or overturned buffer, which is located below the tube dropping device and is mounted on the frame.

Optionally, the thread trimming device of the doffer further includes a photoelectric switch for controlling the second motor to stop, and the photoelectric switch is disposed on the doffer and located between the thread trimming device and the spinning frame.

The utility model has the advantages of as follows: through the relative movement of the front clamping plate and the rear clamping plate of the clamping device, the limitation that the positioning precision of the chuck is required in the prior art is broken through, the positioning range of the chuck can be expanded, and the spindle is not damaged; the purpose of yarn pulling is realized by the mutual matching of the turnover device, the first motor and the second motor, and the traditional complicated mechanical transmission mechanism is replaced; the clamping device is started to pull yarns through the mutual action of the sensor, the controller and the sensor, so that the moving directions of the clamping device and the doffer are kept relatively static during the yarn pulling period of the doffer; the first lifting device meets the requirements of machine types with different heights, and meanwhile, the falling pipe basket is convenient to carry; the working efficiency of the thread trimming device is improved, and the spindle is prevented from being damaged in the thread trimming process; the whole doffer has reasonable structural design, strong practicability and high efficiency, and solves the existing problems.

Drawings

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

FIG. 1: the structure schematic diagram of the doffer of the utility model;

FIG. 2: the structure of the clamping device of the utility model is shown schematically;

FIG. 3: the right view of the clamping device of the utility model is a schematic diagram;

FIG. 4: the structure schematic diagram of the turnover device of the utility model;

FIG. 5: the utility model discloses a doffer and the assembly schematic diagram of an upper guide rail and a lower guide rail;

FIG. 6: the structure schematic diagram of the driving device for driving the pipe dropping device of the utility model;

FIG. 7: the structure schematic diagram of the thread trimming device of the utility model;

FIG. 8: the utility model discloses a structural schematic diagram of linkage of a plurality of moving plates;

FIG. 9: the left view of the thread cutting device of the utility model is a schematic diagram;

FIG. 10: the position schematic diagram of the lead frame of the utility model;

FIG. 11: the structure schematic diagram of mobile device.

Detailed Description

The invention will be further explained with reference to the following figures and examples:

as shown in fig. 1 to 11, it should be noted that the use of the directional terms should not limit the scope of the protection claimed in the present application.

In some optional embodiments, the doffer comprises a clamping device 1, a sensor (not shown in the figure), a controller (not shown in the figure), an upper guide rail 2, a lower guide rail 3 and a moving device 13 for driving the clamping device to move, wherein the clamping device 1 is arranged on a frame 100 of the doffer through the moving device, the moving device 13 comprises an X-direction moving group 13-1, a Y-direction moving group 13-2 and a Z-direction moving group 13-3, the clamping device 1 comprises a front clamping plate 1-1 with an elastic wear-resistant sheet, a rear clamping plate 1-2 with an elastic wear-resistant sheet, a pushing device 1-3 and a first transmission mechanism, the pushing device 1-3 drives the front clamping plate 1-1 to move, the rear clamping plate 1-2 to move or the front clamping plate 1-1 and the rear clamping plate 1-2 to move simultaneously through the first transmission mechanism, the sensor is arranged on a frame 100 of the doffer and connected with the controller, the spinning frame is provided with a sensor (not shown in the figure) for triggering the sensor, the upper guide rail 2 is fixedly connected on the spinning frame through a support foot, the doffer is connected on the upper guide rail 2 in a rolling way through a roller 4, the lower guide rail 3 is fixedly connected on the spinning frame through the support foot, and the doffer is connected on the lower guide rail 3 in a rolling way through a support wheel 5. The roller also has the function of hooking the upper guide rail, so that the roller moves along the side reference surface of the upper guide rail.

The X-direction moving group 13-1, the Y-direction moving group 13-2 and the Z-direction moving group 13-3 are all gear and rack transmission mechanisms.

Specific optional structures of the first transmission mechanism are listed below, the first transmission mechanism comprises a first gear 1-5, a rotating shaft 1-6 and a first rack 1-7, the first gear 1-5 is mounted on a flat plate 1-4 through a second fixing seat 1-8 and is connected with a pushing motor 1-3 through the rotating shaft 1-6, the first rack 1-7 is embedded in the flat plate 1-4 and is meshed with the first gear 1-5, and one end of the first rack 1-7 is connected with a rear clamping plate 1-2.

Optionally, the doffer further includes at least two first rubber wheels 6, and the first rubber wheels 6 are mounted on the frame 100 and driven by the motor 200 to move along the upper guide rail 2; the upper guide rail 2 is a square tube or an angle iron, and the lower guide rail 3 is a square tube, a round tube or an angle iron.

Optionally, the doffer further comprises a first lifting device 7 for lifting the doffer, wherein the first lifting device 7 is an electric push rod or a hydraulic cylinder; the universal wheel 201 of the doffer is mounted at the bottom of the base 300, the directional wheel 202 of the doffer is mounted at the bottom of the frame 100 or the bottom of the base 300, the first lifting device 7 is vertically placed, one end of the first lifting device is fixedly connected with the base 300, and the other end of the first lifting device is fixedly connected with the frame 100; the frame 100 is driven by the first lifting device 7 to move up and down relative to the base 300.

Optionally, the doffer further comprises a thread cutting device 8, which comprises a plurality of static sheets 8-1, a plurality of moving sheets 8-2, a pressing device 8-3 for pressing the static sheets and the moving sheets tightly, and a pushing motor 8-4 for moving the moving sheets, wherein a plurality of blades are formed at the extending ends of the static sheets 8-1 and the moving sheets 8-2, the static sheets 8-1 are transversely arranged and arranged on the support frame 400, the moving sheets 8-2 are attached to one side of the static sheets 8-1 through the pressing device 8-3, and the pushing motor 8-4 drives the moving sheets 8-2 to be attached to the static sheets 8-1 to move back and forth.

Optionally, the thread trimming device of the doffer further comprises a connecting rod 8-5 for connecting and linking the movable blades, the other sides of the movable blades 8-2 are connected through the connecting rod 8-5, the pushing motor 8-4 is connected with the connecting rod 8-5, and the connecting rod 8-5 drives the movable blades 8-2 to be attached to the static blades 8-1 to move in a reciprocating mode.

Optionally, the thread trimming device of the doffer further includes a lead frame 8-6 disposed between the adjacent static sheets 8-1.

The movable piece is attached to the static piece to move, so that the yarn shearing work of the yarn in the static piece is completed, and the movable piece is driven to reciprocate by the motor, so that the yarn shearing machine is convenient and quick, and time and labor are saved; the connecting rods enable the moving pieces to be linked, and the lead frame is used for guiding and guiding the yarns.

Optionally, the doffer further comprises a driving device 9 for driving the doffing device to move and a second lifting device 10 for driving the doffing device to lift, the driving device 9 comprises a second rubber wheel 9-1, a third rubber wheel 9-2 and a driving motor 9-3, the second rubber wheel 9-1 and the third rubber wheel 9-2 are connected through belt transmission 9-4 or chain transmission, a blocking piece 9-5 for preventing the bobbin from being blocked is arranged below the second rubber wheel 9-1, and the second driving mechanism is connected with the bobbin disk 500 and drives the bobbin disk to move back and forth; the second transmission mechanism comprises a third motor 9-6, a driving shaft 9-7 and a groove seat 9-8 matched with the driving shaft, wherein the groove seat 9-8 is arranged on the lower surface of the bobbin disk 500, and the opening direction of the groove seat 9-8 faces downwards; one end of the driving shaft 9-7 is positioned in an open slot of the slot seat 9-8, and the other end is connected with a third motor 9-6 through an eccentric wheel; the second lifting device 10 is a motor or a hydraulic cylinder, one end of the second lifting device 10 is fixed on the frame 100, and the other end is fixedly connected to the bottom of the pipe dropping device.

Optionally, the doffer further comprises a turnover device 11 for driving the clamping device to turn over, wherein the turnover device 11 comprises a first motor 11-1 with an encoder, a second motor 11-2 with an encoder, two rotating seats 11-3, a connecting shaft 11-4, a guide rod 11-5, a guide rail 11-6, a guide block 11-7 and a spring, the first motor 11-1 drives the turnover device 2 to move up and down, the turnover device 2 is slidably connected to the base plate 700 through a bottom plate 11-8, the second motor 11-2 drives the clamping device 1 to move horizontally, one end of the rotating seat 11-3 is fixedly connected to the flat plate 1-4 of the clamping device 1, and the other end of the rotating seat 11-3 is connected with the two rotating seats 11-3 through the connecting shaft 11-4; the connecting shaft 11-4 is arranged in the bottom plate 11-8 in a penetrating manner, one end of the guide rod 11-5 is arranged on the flat plate 1-4 of the clamping device, and the other end of the guide rod is abutted to the guide block 11-7; the guide block 11-7 is provided with two guide tracks 11-71 for guiding the movement of the rod, the guide track 11-6 is arranged on the base plate 700, the guide block 11-7 is connected with the guide track 11-6 in a sliding manner through a sliding block, and the sliding direction of the guide block 11-7 is vertical to the advancing direction of the doffer; one end of the spring is fixedly connected to the first fixed seat 11-61 of the guide rail, and the other end of the spring is fixedly connected to the guide block 11-7.

Optionally, the doffer further comprises a movable or reversible buffer 12, which is located below the doffing device and is mounted on the frame 100. The buffer member may be plate-shaped or strip-shaped. The bobbin is buffered by the buffer piece.

Optionally, the thread cutting device of the doffer further includes a photoelectric switch (not shown in the figure) for controlling the second motor to stop, and the photoelectric switch is arranged on the doffer and located between the thread cutting device and the spinning frame.

The clamping device is started to pull yarns through the mutual action of the sensor, the controller and the sensor, so that the moving directions of the clamping device and the doffer are kept relatively static during the yarn pulling period of the doffer; through the relative movement of the front clamping plate and the rear clamping plate of the clamping device, the limitation that the positioning precision of the chuck is required in the prior art is broken through, the positioning range of the chuck can be expanded, and the spindle is not damaged; the purpose of yarn pulling is realized by the mutual matching of the turnover device, the first motor and the second motor, and the traditional complicated mechanical transmission mechanism is replaced; the first lifting device meets the requirements of machine types with different heights, and meanwhile, the falling pipe basket is convenient to carry; the working efficiency of the thread trimming device is improved, and the spindle is prevented from being damaged in the thread trimming process; the whole doffer has reasonable structural design, strong practicability and high efficiency, and solves the existing problems.

The present invention has been described above by way of example, but the present invention is not limited to the above-mentioned embodiments, and any modification or variation based on the present invention is within the scope of the present invention.

Claims

1. A doffer characterized in that: the device comprises a clamping device (1), a sensor, a controller, an upper guide rail (2), a lower guide rail (3) and a moving device (13) for driving the clamping device to move, wherein the clamping device (1) is arranged on a doffer rack (100) through the moving device, the moving device (13) comprises an X-direction moving group (13-1), a Y-direction moving group (13-2) and a Z-direction moving group (13-3), the clamping device (1) comprises a front clamping plate (1-1) with an elastic wear-resistant sheet, a rear clamping plate (1-2) with an elastic wear-resistant sheet, a pushing device (1-3) and a first transmission mechanism, the pushing device (1-3) drives the front clamping plate (1-1) to move, the rear clamping plate (1-2) to move or the front clamping plate (1-1) and the rear clamping plate (1-2) to move simultaneously through the first transmission mechanism, the sensor is arranged on a frame (100) of the doffer and connected with the controller, the spinning frame is provided with a sensor used for triggering the sensor, the upper guide rail (2) is fixedly connected to the spinning frame through a support foot, the doffer is connected to the upper guide rail (2) in a rolling mode through a roller (4), the lower guide rail (3) is fixedly connected to the spinning frame through the support foot, and the doffer is connected to the lower guide rail (3) in a rolling mode through a idler wheel (5).

2. A doffer as claimed in claim 1, wherein: the doffer further comprises at least two first rubber wheels (6), wherein the first rubber wheels (6) are mounted on the frame (100) and driven by a motor (200) to move along the upper guide rail (2); the upper guide rail (2) is a square pipe or an angle iron, and the lower guide rail (3) is a square pipe, a round pipe or an angle iron.

3. A doffer as claimed in claim 1, wherein: the doffer also comprises a first lifting device (7) for lifting the doffer, wherein the first lifting device (7) is an air cylinder or a hydraulic cylinder; a universal wheel (201) of the doffer is arranged at the bottom of a base (300), a directional wheel (202) of the doffer is arranged at the bottom of a rack (100) or the bottom of the base (300), the first lifting device (7) is vertically arranged, one end of the first lifting device is fixedly connected with the base (300), and the other end of the first lifting device is fixedly connected with the rack (100); the rack (100) is driven by the first lifting device (7) to move up and down relative to the base (300).

4. A doffer as claimed in claim 1, wherein: the doffer further comprises a yarn cutting device (8) which comprises a plurality of static sheets (8-1), a plurality of moving sheets (8-2), a pressing device (8-3) used for pressing the static sheets and the moving sheets tightly and a pushing motor (8-4) used for moving the moving sheets, a plurality of blades are formed at the extending ends of the static sheets (8-1) and the moving sheets (8-2), the static sheets (8-1) are transversely arranged and arranged on the supporting frame (400), the moving sheets (8-2) are attached to one side of the static sheets (8-1) through the pressing device (8-3), and the pushing motor (8-4) drives the moving sheets (8-2) to attach to the static sheets (8-1) in a reciprocating mode.

5. A doffer according to claim 4, characterised in that: the thread trimming device (8) further comprises a connecting rod (8-5) used for connecting and linking the movable blades, the other sides of the movable blades (8-2) are connected through the connecting rod (8-5), the pushing motor (8-4) is connected with the connecting rod (8-5), and the movable blades (8-2) are driven by the connecting rod (8-5) to be attached to the static blades (8-1) to move in a reciprocating mode.

6. A doffer according to claim 4 or 5, characterised in that: the thread trimming device (8) further comprises a lead frame (8-6) which is arranged between the adjacent static sheets (8-1).

7. A doffer as claimed in claim 1, wherein: the doffer further comprises a driving device (9) used for driving the doffing device to move and a second lifting device (10) used for driving the doffing device to lift, the driving device (9) comprises a second rubber wheel (9-1), a third rubber wheel (9-2) and a driving motor (9-3) and a second transmission mechanism, the driving motor (9-3), the second rubber wheel (9-1) and the third rubber wheel (9-2) are connected through belt transmission (9-4) or chain transmission, a blocking piece (9-5) used for preventing a bobbin from being blocked is arranged below the second rubber wheel (9-1), and the second transmission mechanism is connected with a bobbin disc (500) and drives the bobbin disc to move in a reciprocating mode; the second transmission mechanism comprises a third motor (9-6), a driving shaft (9-7) and a groove seat (9-8) matched with the driving shaft, the groove seat (9-8) is arranged on the lower surface of the bobbin disk (500), and the opening direction of the groove seat (9-8) faces downwards; one end of the driving shaft (9-7) is positioned in an open slot of the slot seat (9-8), and the other end of the driving shaft is connected with a third motor (9-6) through an eccentric wheel; the second lifting device (10) is a motor or a hydraulic cylinder, one end of the second lifting device (10) is fixed on the rack (100), and the other end of the second lifting device is fixedly connected to the bottom of the pipe dropping device.

8. A doffer as claimed in claim 1, wherein: the doffer also comprises a turnover device (11) for driving the clamping device to turn over, which comprises a first motor (11-1) with an encoder, a second motor (11-2) with an encoder, two rotating seats (11-3), a connecting shaft (11-4), a guide rod (11-5), a guide rail (11-6), a guide block (11-7) and a spring, the first motor (11-1) drives the turnover device (11) to move up and down, the turnover device (11) is connected to the base plate (700) in a sliding manner through the bottom plate (11-8), the second motor (11-2) drives the clamping device (1) to move horizontally, one end of the rotating seat (11-3) is fixedly connected to a flat plate (1-4) of the clamping device (1), and the other end of the rotating seat (11-3) connects the two rotating seats (11-3) through a connecting shaft (11-4); the connecting shaft (11-4) is arranged in the bottom plate (11-8) in a penetrating manner, one end of the guide rod (11-5) is arranged on the flat plate (1-4) of the clamping device, and the other end of the guide rod is abutted to the guide block (11-7); two guide rails (11-71) for guiding the movement of the rod are arranged on the guide blocks (11-7), the guide rails (11-6) are mounted on the base plate (700), the guide blocks (11-7) are connected with the guide rails (11-6) in a sliding mode through sliding blocks, and the sliding direction of the guide blocks (11-7) is perpendicular to the advancing direction of the doffer; one end of the spring is fixedly connected to the first fixed seat (11-61) of the guide rail, and the other end of the spring is fixedly connected to the guide block (11-7).

9. A doffer as claimed in claim 1, wherein: the doffer also comprises a movable or overturning buffer (12) which is positioned below the tube dropping device and is arranged on the machine frame (100).

10. A doffer according to claim 4, characterised in that: the thread cutting device (8) further comprises a photoelectric switch used for controlling the second motor to stop, and the photoelectric switch is arranged on the doffer and is positioned between the thread cutting device and the spinning frame.