JP2538409Y2 - Replacement device for cylinder and dial - Google Patents

Description

[Detailed description of the invention]

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a cylinder and dial exchange device for exchanging cylinders and dials of different nominal sizes in a double knit circular knitting machine for knitting underwear such as shorts and underwear.

[0002]

2. Description of the Related Art In a double knit circular knitting machine, in order to knit underwear such as shorts and underwear of different sizes, a double knit circle having a dedicated cylinder and a dial adapted to underwear such as shorts and underwear of different sizes. It is desirable to knit with a knitting machine, but installing a double knit circular knitting machine with a dedicated cylinder and dial has a problem in capital investment. Therefore, by preparing cylinders and dials of different nominal sizes and exchanging cylinders and dials of different nominal sizes, one double knit circular knitting machine knits underwear such as shorts and underwear of different sizes. A cylinder and dial exchange device for a double knit circular knitting machine has been developed.

Conventionally, this type of cylinder and dial exchanging device is configured as shown in FIGS. 4 to 6 (Japanese Utility Model Laid-Open No. 2-146182).

That is, in FIGS. 4 to 6, a drive gear 3 is replaceably provided below a cam ring 2 integral with a machine frame 1 in a double knit circular knitting machine.
The cylinder 4 is substantially erected on the upper surface of the inner end of the cylinder. A large number of vertical grooves 4a are formed on the outer periphery of the cylinder 4, and a cylinder knitting needle 5 is slidably fitted in each vertical groove 4a. Further, a plurality of cam holders 6 divided at irregular intervals are exchangeably mounted on the cam ring 2 with mounting bolts 7 so as to face the outer peripheral surface of the cylinder 4. A control cam 8 is provided on the inner peripheral surface of each cam holder 6 so as to engage with the butt 5 a of the cylinder knitting needle 5.

On the other hand, a dial unit (not shown) above the cylinder 4 has a drive shaft mounted so as to rotate in synchronization with the cylinder 4, and a ring member (hub ring) integral with the drive shaft. In 9, a dial 10 is provided so as to be replaceable so as to be orthogonal to the cylinder 4. A large number of lateral grooves 10a are formed radially on the upper surface of the dial 10, and a dial knitting needle 11 is slidably fitted in each lateral groove 10a. Further, a cam ring (dial cap hub) 1 integrated with the dial unit (not shown)
2 is a mounting bolt 1 such that a plurality of dial cam holders 13 divided at unequal intervals face the dial 10.
4 so that it can be replaced. Dial cam holder 1
3 has a dial control cam 15 on the inner peripheral surface thereof.
It is provided so as to engage with one bat 11a.

Therefore, the double knit circular knitting machine described above
At the time of knitting, by rotating the drive gear 3, the cylinder 4 integral therewith is rotated, and at the same time, the dial 10 is also rotated in synchronization with the cylinder 4, whereby the cylinder knitting needle 5 is vertically moved by the control cam 8. The movement and horizontal movement of each dial knitting needle 11 by the dial control cam 15 allows knitting of underwear such as shorts and underwear of a predetermined size, for example.

To replace the cylinder 4 and the dial 4 in the double knit circular knitting machine, a plurality of dial cam holders 13 divided at unequal intervals from a cam ring 12 integral with a dial unit (not shown) are mounted on mounting bolts 14. The dial 10 is removed from the ring member 9 integrated with the drive shaft.

On the other hand, a plurality of cam holders 6 unequally divided from the cam ring 2 are removed by removing the mounting bolts 7, the cylindrical cylinder 4 is removed together with the drive gear 3, and then a desired nominal size is obtained. The cylinder 4 and the dial 10 are exchanged in the reverse order as described above.

As shown in FIG. 7, an intermediate member 16 is provided between the cylinder 4 and the driving gear 3, an intermediate member 17 is provided between the ring member 9 and the dial 10, and a cam ring 12 is provided.
A cylinder and dial exchanging device in which an intermediate member 18 is provided between the cylinder and the dial cam holder 13 is disclosed in Japanese Patent Publication No. 57-34.
No. 383.

[0010]

However, the above-mentioned cylinder and dial exchanging device is provided with a plurality of cam holders 6 divided at unequal intervals and a plurality of dial cams divided at unequal intervals in advance. Not only must the holder 13 be prepared, but also because the cylinder 4 and the drive gear 3 are replaced together, the drive gear 3 to which the lubricating oil is attached is removed and replaced at the time of replacement. From the surroundings, and when replacing,
Since the position regulating means for the cylinder 4 and the dial 10 is not provided, the centering of the cylinder 4 and the dial 10 is very difficult, and the skill and considerable time and labor are required.

The cylinder and dial replacement device shown in FIG. 7 has problems in that the number of components increases and a lot of time and labor is required for replacement.

The present invention solves the above-mentioned problem by replacing the drive gear with the lubricating oil at the time of replacement without replacing the drive gear.
Moreover, the cylinder and the dial are replaced without soiling the surroundings, and the cylinder and the dial are positioned so that the centering work between the cylinder and the dial is facilitated and the cylinder and the dial can be replaced accurately without skill. It is intended to provide a switching device.

[0013]

SUMMARY OF THE INVENTION A cylinder and dial exchanging device according to the present invention is a cylinder and dial exchanging device for exchanging cylinders and dials of different nominal sizes in a double knit circular knitting machine. A mounting ring attached to the machine frame having a portion, a cylinder gear having an engagement portion on the inner diameter side upper surface and rotatably provided below the attachment ring, and exchangeably attached to the engagement portion of the cylinder gear. A cylinder, an equally divided cylinder cam segment which is exchangeably mounted on the inclined step portion of the mounting ring so as to face the outer surface of the cylinder, a ring member which is mounted on the drive shaft of the dial unit, and the ring Replaceable with a dial mounting ring detachably provided on the member and a dial mounting ring perpendicular to the cylinder provided on the cylinder gear And a segment mounting ring that has an outer peripheral step and is mounted above the ring member of the drive shaft of the dial unit, and can be exchanged for the outer peripheral step of the segment mounting ring so as to face the upper surface of the dial. And an equally divided dial cam segment attached to the dial cam segment.

[0014]

With the cylinder and dial replacement device of the present invention, when replacing an existing cylinder and dial with a cylinder and dial of a desired nominal size, remove the dial segment from the segment mounting ring, remove the dial from the ring member, and mount. After removing the cam holder from the ring and removing the cylinder from the cylinder gear, the cylinder and dial of the desired nominal size are replaced, so there is no need to replace the cylinder gear with lubricating oil. And the positioning of the cylinder and the dial is provided, and the centering of the cylinder and the dial can be easily performed.

[0015]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will be described below with reference to an embodiment shown in the drawings. 1 to 3, reference numeral 20 denotes a mounting ring integral with the machine frame of the double knit circular knitting machine. The mounting ring 20 is provided below the mounting ring 20 so that the cylinder gear 21 is rotatable so as not to be replaced. I have. A cylinder 22 is set upright on an engagement portion provided on the upper surface of the inner end 21a of the cylinder gear 21 so as to be replaceable with a mounting bolt 24a. A large number of vertical grooves 22a are formed on the outer periphery of the cylinder 22, and a cylinder knitting needle 25 is slidably fitted in each vertical groove 22a in the vertical direction. Also, the mounting ring 2
In the middle of 0, as shown in FIG. 1, an inclined step portion 20a inclined at about 45 ° is formed.
a so that the plurality of cylinder cam segments 26 divided at equal intervals a face the outer periphery of the cylinder 22.
7 is exchangeably mounted. A control cam 28 is provided on the inner peripheral surface of the cylinder cam segment 26 with the cylinder knitting needle 25.
Is provided to engage with the bat 25a.

On the other hand, a drive shaft 30 is mounted on the upper dial unit 29 of the cylinder 22 so as to rotate in synchronization with the cylinder 22, and a ring member 31 integral with the drive shaft 30 is provided with a dial. 32 is replaceably mounted with mounting bolts 34a and 34b so as to be orthogonal to the cylinder 22 via an intermediate member 33. A number of radial lateral grooves 32a are formed on the upper surface of the dial 32, and a dial knitting needle 35 is fitted in each lateral groove 32a so as to be slidable in the horizontal direction. As shown in FIG. 1, a segment mounting ring 36 is provided below the dial unit 29, and an engaging step 36 a inclined at about 45 ° is formed at an outer peripheral end of the segment mounting ring 36. Have been. An equally divided dial cam segment 37 is exchangeably mounted on the engagement step 36 with a mounting bolt 38 so as to face the dial 32. A dial control cam 39 is provided on the inner peripheral surface of the dial cam segment 37.
Is provided so as to engage with the butt 35a of the dial knitting needle 35.

The operation of the present invention will be described below. As shown in FIG. 1, for example, a 16 inch cylinder 2
When replacing the dial 2 and the dial 32 with the 19-inch cylinder 22 and the dial 32 shown in FIG. 3, the dial segment 37 is previously removed from the segment mounting ring 36 by removing the mounting bolt 38, and then the drive shaft 30 and the The dial 32 is removed from the integral ring member 31 by removing the mounting bolts 34a and 34b via the intermediate member 33.

On the other hand, the cylinder cam segment 26 is removed from the mounting ring 20 by removing the mounting bolt 27a, and the cylinder 22 is removed from the cylinder gear 21 after removing the mounting bolt 24a. Replace the dial 32.

That is, after the cylinder 22 is mounted on the cylinder gear 21 with the mounting bolts 24a, the cylinder cam segment 26 is mounted on the mounting ring 20 with the inclined mounting bolts 27a, so that the cylinder cam segment 26 is fixed at an accurate position.

Next, the dial 32 is mounted on the ring member 31 integral with the drive shaft 30 via mounting members 34a and 34b via an intermediate member 33. At this time, the cylinder 2
Since the centering work of the dial 2 and the dial 32 is accurately positioned by the inclined step portion 20a and the engaging portions 33a, 33b of the intermediate member 33, the work can be easily replaced without spending time and labor. Further, the dial segment 37 can be fixed at an accurate position by attaching the dial segment 37 to the segment attachment ring 36 with inclined attachment bolts 38.
As a result, the 16-inch cylinder 22 and the dial 32
Can replace the 19 inch cylinder 22 and dial 32 shown in FIG.

In the present invention, instead of 19 inches, 1
7 inch or 18 inch cylinder 22 and dial 32
Can be replaced.

Further, the exchange designation size and the range of the designation size in the present invention are not limited to the above-described specific examples, and can be freely exchanged without changing the gist of the present invention.

[0023]

As described above, according to the present invention, it is not necessary to replace the cylinder gear with the lubricating oil when replacing the cylinder and the dial, so that the surroundings can be stained by the lubricating oil that has adhered to the cylinder gear. No, and because there is a position regulation between the cylinder and the dial,
Centering work of the cylinder and dial can be facilitated.

[Brief description of the drawings]

FIG. 1 is a sectional view of a cylinder and dial replacement device of the present invention.

FIG. 2 is a plan view taken along a chain line AA in FIG.

FIG. 3 is a diagram for explaining the operation of the present invention.

FIG. 4 is a sectional view of a conventional cylinder and dial replacement device.

FIG. 5 is a plan view along the chain line BB in FIG. 4;

FIG. 6 is a plan view along the chain line CC in FIG. 4;

FIG. 7 is a sectional view of another conventional cylinder and dial replacement device.

[Explanation of symbols]

 Reference Signs List 20 mounting ring 21 cylinder gear 22 cylinder 25 cylinder knitting needle 26 cylinder cam segment 29 dial unit 30 drive shaft 31 ring member 32 dial 33 dial mounting ring 36 segment mounting ring 37 dial cam segment

Claims (1)

(57) [Scope of request for utility model registration] 1. A cylinder and dial exchanging device for exchanging cylinders and dials of different nominal sizes for a double knit circular knitting machine, comprising: a mounting ring having an inclined stepped portion on an upper surface on an inner diameter side and attached to a machine frame; A cylinder gear having an engaging portion on the side upper surface and rotatably provided below the mounting ring, a cylinder replaceably mounted on the engaging portion of the cylinder gear, and mounted to face an outer surface of the cylinder; Equally divided cylinder cam segments that are interchangeably attached to the inclined steps of the ring, a ring member that is attached to the drive shaft of the dial unit, a dial attachment ring that is detachably attached to this ring member, and a cylinder gear A dial unit having a dial which is exchangeably mounted on a dial mounting ring so as to be orthogonal to the cylinder provided, and a dial unit having an outer peripheral step A segment mounting ring mounted above the ring member of the drive shaft; and an equally divided dial cam segment exchangeably mounted on the outer peripheral step portion of the segment mounting ring so as to face the upper surface of the dial. Characteristic cylinder and dial replacement device.