JP2927424B2 - Spinning machine and its maintenance cart - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a spinning machine provided with a work cart for piecing and doffing, and a maintenance cart for maintaining the work cart.

[0002]

2. Description of the Related Art Conventionally, a spinning machine 71 having a number of spinning units 1u arranged side by side reciprocates on a track provided in the longitudinal direction of a machine base as shown in FIG. 1
and a self-propelled work carriage 2 for piecing and doffing the unit 1u. The work cart 2
As shown in FIG. 6, for the maintainability of the spinning unit itself and the safety for the operator, as shown in FIG. 6, behind the yarn path reaching the winding device 64 via the draft device 61, the twisting device 62, and the delivery roller 63, that is, The spinning machine 71 runs through the inside of the machine stand.

In such a spinning machine 71, in order to perform maintenance of the work vehicle 2, the work vehicle 2 is
1 must be taken out of the machine. Therefore, as shown in FIG. 7, a blower box 73 and a control box 74 are provided at one end and a driving box 75 and a bobbin stocker 76 are provided at the other end.
The front of the home position 72 of the work cart 2 arranged between the spinning unit 1u of the spinning machine 71 and the blower box 73 can be opened and closed, and the work cart is positioned from the home position 72 to the front thereof. Although the work cart 2 was transferred to the maintenance cart 77 for maintenance, the work of lowering the heavy work cart 2 from the track and transferring it to the cart 77 with a roller or the like was not easy.

[0004]

SUMMARY OF THE INVENTION In view of the above-mentioned problems of the prior art, the present invention provides a spinning machine capable of easily performing maintenance of a work cart for performing piecing and doffing, and a maintenance cart for the spinning machine. It is intended to do so.

[0005]

SUMMARY OF THE INVENTION A spinning machine provided with a work carriage moving on a track provided in a longitudinal direction through a machine in which a number of spinning units are juxtaposed, is provided at one end of the machine. The drive box, the blower box and the like are arranged in a concentrated manner, and the other end of the machine base is used as an open end so that the work vehicle can be pulled out from the open end on an extension of the track. In addition, a maintenance track that can be connected to the track of the spinning machine is provided. Further, the maintenance track can be moved up and down.

[0006]

[Function] A maintenance trolley is located at the end of the spinning machine gantry, and the trajectory of the maintenance trolley is connected to the trajectory of the spinning machine, and the work trolley is transferred from the spinning machine to the maintenance trolley along the above-mentioned trajectory. I do. Then, after fixing the work cart on the track of the maintenance cart, the track is separated from the track on the spinning machine side, and the work cart is appropriately raised together with the track of the maintenance cart to perform maintenance work.

[0007]

BRIEF DESCRIPTION OF THE DRAWINGS FIG.

FIGS. 1 and 2 show a spinning machine 1 according to an embodiment of the present invention.
Is shown. In the figure, a spinning machine 1 has a large number of spinning units 1.
The motor box 3, the blower box 4, and the control box 5 are intensively arranged on one end side (right side in the figure) of the machine in which u are juxtaposed, and an end box 7 having a space for a bobbin stocker 6 minutes is provided on the other end. Has been arranged. In addition, spinning machine 1
Is equipped with a work carriage 2 mounted with a device for reciprocating on orbits 11 and 12 provided in the machine base longitudinal direction to perform piecing and doffing of each spinning unit 1u. The work cart 2 is a terminal 9 fixed to the machine of the spinning machine 1 as shown in FIG.
And a cable carrier 10 so that power and air can be supplied to the work cart 2 via the cable carrier 10.

The side plate 7a facing the passage 8 of the end box 7 is openable and closable, and the track 1
Ends of the first and second members penetrate the end box 7 and reach the side plate 7a. That is, when the side plate 7a is opened, the tracks 11, 12 are exposed at the portion as shown in FIG. Of these, connecting mechanisms 13 and 23 for connecting them are provided at the end of the lower track 11 and the end of the lower track 21 which will be described later, respectively.

The connecting mechanisms 13 and 23 are shown in FIG. 5 (and FIG. 3).
As shown in the figure, a conical concave portion 14 having the same shape as the conical convex portion 24 protruding from the end face of the track 21 of the maintenance car 20 is provided on the end face of the track 11 on the spinning machine 1 side, and is rotated on the side face of the track 21 of the maintenance car 20. A pin 15 that engages with a freely provided hook 25 is provided to protrude from the side surface of the track 11 on the spinning machine 1 side. Reference numeral 16 denotes a safety bollard, and reference numeral 17 denotes a conveyor that supplies an empty bobbin from the bobbin stocker 6 to the work cart 2.

As shown in FIGS. 3 and 4, the maintenance trolley 20 has a track 21 on a base frame 27 of a lift frame 26 capable of accommodating the work trolley 2, a track 22 on an upper part of a gate-shaped frame 28 of the lift frame 26, Each of them is fixed, and they are, of course, arranged in the same positional relation as the respective tracks 11, 12 of the spinning machine 1.

The lifting frame 26 is used for the maintenance cart 2
The main body frame 29 is supported by a parallel lifting mechanism 30. The parallel elevating mechanism 30 pivotally connects the centers of two equal-length arms 31 and 32 to form a tongue.

The arms 31, 32 are symmetrically arranged on both sides of the maintenance cart 20, as shown in FIG.
One of the arms 31, 31 has its upper end elevating frame 26
The support shafts 33, 33 provided on the base frame 27 are rotatably supported, and are connected and integrated by a central shaft 34 and a bar 35 provided therebetween.
Rollers 36 rotatably provided at the lower ends of the rollers 1 and 31 are rotatably supported on a guide plate 37 fixed to the main body frame 29.

The lower ends of the other arms 32, 32 are rotatably supported on a support shaft 38 provided on the main body arm 29, and at the end of the center shaft 34, the arms 31, 32 are provided.
The roller 40 is rotatably connected to the base 31 and further connected to a bar 39 and rotatably provided at an upper end thereof.
Is rotatably mounted on and supports a guide plate 41 provided on the base frame 27 of the elevating frame 26.

Further, a central shaft 3 integral with the arms 31, 31 is provided.
4 are provided with piston rods 44, 44 of hydraulic cylinders 43, 43, which are rotatably supported on a support shaft 38.
Are linked. The hydraulic cylinders 43 are connected to a pump 45 provided at the rear of the body frame 29,
Is a hydraulic pedal for operating the pump 45. Then, by operating the hydraulic pedal 46 to pressurize the hydraulic cylinder 43 and extend the piston rod 44, the arm 31 together with the lever 42 and the central shaft 34 integral therewith are provided.
3, the upper end of the arm 31 and the lower end of the arm 32 are separated from each other, and the lower end of the arm 31 and the upper end of the arm 32 are separated by rollers 36 and 40, respectively. The arm 32 is pulled toward the lower end of the arm 32 and the upper end of the arm 31 while being in contact with the guide plates 37 and 41. By this operation, the lifting frame 26 is raised while maintaining the parallel state with the main body frame 29, that is, the horizontal state.

The elevating frame 26 is slidable along a slit 49 provided in a vertical frame 48 erected on the main body frame 29, on a bracket 47 fixed to one of the portal frames 28. A screw lock mechanism 50 for fixing the lifting frame 26 at an arbitrary position is provided. 51 is the handle. The vertical frame is provided with several holes 52 along the sliding direction of the lifting frame 26, and pins 53 for preventing the falling of the lifting frame 26 can be inserted into the holes 52 as necessary.

The track 21 on the lower side of the lifting frame 26
A fixing mechanism 54 for fixing the work cart 2 located on the track 21 is provided substantially at the center of the track 21. The fixing mechanism 54 includes:
It utilizes a mechanism for positioning the work cart 2 to each unit 1u of the spinning machine 1, and is provided on the track 21 with a pin that engages with a positioning hole 56 of a positioning plate 55 that is provided hanging down from the lower bottom of the work cart 2. 57 is slidably provided.
Reference numeral 58 denotes a sliding shaft integral with the pin 57 by a connecting piece 59. The pin 57 is biased rightward in FIG. 4 by the bias of a spring provided on the sliding shaft 58. Projecting from. At the end of the track 21, as shown in FIG. 3, a safety wheel stop 60 is provided.

Next, the maintenance work of the work cart 2 will be described based on the above embodiment.

First, the side plate 7a of the end box 7 of the spinning machine 1 for maintenance is opened to expose the ends of the tracks 11, 12 of the spinning machine 1 as shown in FIG. , 12 facing the passage 8
Position.

Then, the hydraulic cylinder 43 is pressed by operating the hydraulic pedal 46, and the lifting frame 26 is slightly raised by the tongue type parallel lifting mechanism 30 so that the track 21 is at the same height as the track 11. The maintenance truck 20 is pushed toward the spinning machine 1 to join the track 21 to the track 11. At this time, even if the positions are slightly shifted, since the positions are adjusted by fitting the conical convex portions 24 into the conical concave portions 14, the joining operation is extremely easy.

Then, after joining, the hook 25 is rotated,
The track 21 of the maintenance bogie 20 is connected to the track 11 on the spinning machine 1 side by engaging with the pin 15, and at the same time, the upper track 22 is positioned on the track 12.

When the connection of the maintenance trolley 20 is completed, the drive switch of the work trolley 2 is turned off and the work trolley 2 is stopped. Then, the bogie 16 on the track 11 is removed, and the worker moves the work trolley 2 along the tracks 11 and 12. And pull it out to the machine end,
Further, push the hand as it is, and the track 2 of the maintenance trolley 20
Enter 1,22. Then, after the positioning plate 55 at the lower bottom of the work vehicle 2 comes into contact with the pin 57 of the fixing mechanism 54, the work vehicle 2 is stopped by fitting the pin 57 into the positioning hole 56, and is fixed at that position. Is done.

After the transfer of the work carriage 2 is completed, the track 25 is separated from the track 11 by removing the hook 25, and the lifting frame 26 is operated by operating the hydraulic pedal 46.
To raise the work carriage 2 to a height that facilitates maintenance work, and turns the handle 51 of the lock mechanism 50 to lock the lift frame 26 at that position. And
The maintenance work of the work cart 2 is performed after the fall prevention pin 53 is inserted into the perforation 52 in preparation for the case where the hydraulic cylinder 43 is depressurized due to an unexpected situation. At this time, the work cart 2 is still connected to the machine of the spinning machine 1 via the cable bear 10, so that a test operation of each device for piecing and doffing is possible.

After the maintenance work, the fall prevention pin 5
3, the lock mechanism 50 is released, and the lifting frame 26 is lowered, and the lifting frame 26 is moved in the same manner as described above.
The track 21 is connected to the track 11 on the spinning machine 1 side, and when the sliding shaft 58 of the fixing mechanism 54 shown in FIG. If the drive switch is turned on after returning to the tracks 11 and 12 of the spinning machine 1 by hand pushing, the work vehicle 2 starts running.

During this time, if there is a thread break unit or a unit that is full, spinning is stopped in that unit, but it is not necessary to stop the operation of the spinning machine 1 itself.

In the above embodiment, the case where the lifting frame 26 is moved up and down by the hydraulic cylinder 43 has been described. However, the present invention is not limited to this, and a chain block, a screw jack or the like may be used.

[0027]

Since the present invention is configured as described above, the following effects can be obtained.

[0028] In a spinning machine provided with a work carriage moving on a track provided in a longitudinal direction through a machine base in which a number of spinning units are juxtaposed, a driving box and a blower box are provided at one end of the machine base. And the other end of the machine base is an open end, and the work carriage can be extracted from the open end on an extension of the track. The work cart can be directly transferred to the maintenance cart to perform the maintenance, and the operation is extremely easy, and the work cart can be maintained without stopping the operation of the spinning machine. In addition, the home position for entering and exiting the work cart is eliminated, and the passage between the machines facing the end of the machine can be used as a maintenance space, so that the machine installation area can be reduced, and a driving box, a blower box, etc. Is close to the control box, which simplifies the wiring, makes it less susceptible to noise and the like, and is advantageous in improving the signal transmission effect.

Further, since the maintenance bogie is provided with a maintenance track which can be connected to the track of the spinning machine, the work bogie can be directly transferred to the maintenance bogie through the track without an intermediate roller or jack. It can be done easily and quickly.

Further, since the maintenance track can be moved up and down, the work carriage can be moved up and down to a height at which the maintenance work can be easily performed along the track, and the connection with each spinning machine can be performed easily and reliably.

[Brief description of the drawings]

FIG. 1 is a front view showing a machine arrangement of a spinning machine according to an embodiment of the present invention.

FIG. 2 is a plan view showing a machine arrangement of a spinning machine according to an embodiment of the present invention.

FIG. 3 is a side view showing a maintenance cart according to the embodiment of the present invention.

FIG. 4 is a front view showing a maintenance cart according to the embodiment of the present invention.

FIG. 5 is a perspective view showing an end portion of the spinning machine according to the embodiment of the present invention in an open state.

FIG. 6 is a side view showing a spinning unit.

FIG. 7 is a plan view showing a machine arrangement of a conventional spinning machine.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Spinning machine 1u Spinning unit 2 Work truck 3 Drive box 4 Blower box 5 Control box 8 Passage 11,12 Track 13,23 Connecting mechanism 20 Maintenance cart 21,22 Track (maintenance track) 26 Elevating frame 30 Parallel lifting mechanism 43 Hydraulic cylinder 50 Lock mechanism 54 Fixing mechanism

Continuation of front page (58) Field surveyed (Int.Cl. ⁶ , DB name) D01H 15/013 D01H 9/08

Claims (3)

(57) [Claims] 1. A spinning machine provided with a work carriage moving on a track provided in a longitudinal direction through an inside of a machine in which a number of spinning units are juxtaposed, wherein a motor box is provided at one end of the machine. While intensively placing blower boxes, etc.,
A spinning machine characterized in that the other end of the machine base is an open end, and the work vehicle can be pulled out from the open end on an extension of the track. 2. A maintenance bogie for a spinning machine, comprising a maintenance track connectable to the track of the spinning machine according to claim 1. 3. The maintenance bogie for a spinning machine according to claim 2, wherein the maintenance track can be moved up and down.