JPH0133576B2 - - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a cylinder halflap used for a comb in the carding process in spinning.

As shown in Fig. 1, the conventional cylinder half-lap for combing has a groove 2 in the cylinder half-lap body 1 in the radial direction of the cylinder, a small groove 3 in the diagonal direction, and a needle with a needle head 4. Needle array ribbons 8 formed by laminating plates 5 and inserting and fixing band-shaped metal plates 6 into dovetail grooves 7 provided on the sides of the needle plate were inserted into the grooves 2 and arranged in rows. Note that a protrusion 9 provided on the side surface of the throat plate 5 is engaged with the small groove 3.

In the above-mentioned combed cylinder half-lap,
The degree of fitting between the groove 2 and the needle row ribbon 8 is important; there must be no gaps and the needle row ribbon 8 must be easily inserted, but it is clear that this relationship is contradictory; As a result of prioritizing ease, when the fibers are subjected to the combing action by the needle head 4, the component force F ₁ acts in the direction of pulling out the needle row ribbon 8 from the groove 2, and the needle row ribbon 8 dances in the groove 2, so that no force is generated. The impactful repeated force will eventually promote wear and deformation of the groove 2 due to long-term use, and the gap between the groove 2 and the needle row ribbon 8 will become larger, resulting in deterioration of dynamic accuracy and reduction of combing action. In addition, there were many drawbacks such as the fact that the cylinder half flap body 1, which was supposed to be able to be used semi-permanently, became usable.

Furthermore, in order to minimize the gap, the precision of the groove 2 must be improved, and the groove and small grooves must be machined separately, which has the disadvantage of increasing machining costs.

The combed cylinder half-lap of the present invention overcomes the above-mentioned conventional drawbacks.

Examples will be described below based on the drawings.

Embodiment 1 FIG. 2 is a sectional view of a main part of a cylinder half-lap for a comb according to the present invention.

The cylinder half-lap body 1 has grooves 1 having a substantially rectangular cross-section in the axial direction, at equal intervals around the cylinder circumference.
Punch 0. Small grooves 11 each having a substantially triangular cross section are provided on the side surfaces of the grooves 10. The needle plate 16 has a needle base 12 having a needle head 4 having a working angle α in the cylinder rotation direction on the upper part.
and a substantially rectangular needle insertion portion 13, the needle base portion 12 is provided with a hole 14, and the needle insertion portion 13 is provided with a slit 15 that communicates the hole 14 with the bottom surface of the needle insertion portion. Note that the hole 14 may be provided in a part of the needle insertion portion 13 so as to communicate with the slit 15. Needle insertion portion 1 of the throat plate 16
A recess 17 having a substantially triangular cross section is provided in a part of the side surface of the cylinder 3 at a position corresponding to the small groove 11 of the cylinder half flap.

The plurality of needle plates 16 are stacked so that the needle heads 4 of the needle plates adjacent to each other in the cylinder axis direction are alternately shifted in the cylinder rotation direction and arranged in a staggered manner. The continuous body 18 made of metal or synthetic resin is fitted and fixed to form a throat plate laminate 19 as shown in FIG. 3.

Insert the throat plate laminate 19 into the groove 10 of the cylinder half-lap body from the axial or radial direction, and align the recess 17 of the throat plate laminate 19 with the small groove 11 provided on the groove side of the cylinder half-lap. The combed cylinder half lap of the present invention is constructed by arranging the cylinder half laps in a row, and inserting and fixing the radially directed retaining material 20 into the space formed by the recess 17 of the throat plate laminate and the small groove 11 of the cylinder half lap.

By the way, if the continuous body 18 is formed by inserting the core bar 21 into the slit 15 and pouring the synthetic resin 22 around the core bar 21, as shown in FIG. 2, the throat plate laminate 19 will be firmly fixed. Work becomes easier.

Further, the shape of the hole can be various shapes such as rectangular, circular, triangular, etc.

Furthermore, the connecting body 18 that fits into the hole or slit is formed by inserting a metal rod, metal plate, synthetic resin, or a combination thereof, or by pouring and filling.

The retaining material 20 may be a round bar made of iron, aluminum, synthetic resin, etc., as shown in FIG. Retaining material 20 with circular cross section
may also be used.

Since the combed cylinder half flap of the present invention has the above structure, the throat plate laminate 19 is pressed against the rear surface of the groove 10 by the spring effect of the retaining member 20, and does not come off in the radial direction.

There is no gap in the groove of the throat plate laminate, which eliminates the drawbacks of the conventional method, and also eliminates the need for precision in machining the groove, making it easy to insert the throat plate laminate and increasing the clearance. will be absorbed by the elasticity of the retaining material and will be completely eliminated.

Further, the cylinder half-lap grooves and small grooves have shapes that are easy to cut, so machining is easy.

Furthermore, the combed cylinder half-lap of the present invention has excellent effects such as the ability to easily form a throat plate laminate by inserting or pouring the continuous body from the bottom of the throat plate. be.

[Brief explanation of drawings]

Fig. 1 is a sectional view of the main part of a conventional cylinder half-lap for combing, Fig. 2 is a sectional view of the main part showing an embodiment of the cylinder half-lap for combing of the present invention, and Fig. 3 is a sectional view of the main part of the cylinder half-lap for combing according to the present invention. Side view of throat plate laminate, 4th
Figure a is a front view of the retaining material of the present invention, and Figure b is a side view of the same. 1...Cylinder half flap body, 2...Groove,
3... Small groove, 4... Needle head, 5... Throat plate, 6... Metal plate, 7... Dovetail groove, 8... Needle row ribbon, 9... Protrusion, 10... Groove, 11... Small groove , 12... Needle base, 13... Needle insertion part, 14... Hole, 15... Slit, 16... Throat plate, 17... Recess, 18...
Continuous body, 19... Throat plate laminate, 20... Retaining material, 21... Core bar, 22... Synthetic resin.

Claims (1)

[Claims] 1 A hole is provided in a part of the needle plate consisting of a needle base having a needle head at the top and a needle insertion portion having a substantially rectangular shape with a recess on the side surface, and the hole is communicated with the bottom surface of the needle insertion portion. A plurality of throat plates formed with slits are stacked, a continuous body is fixed in the holes and the slits to form a throat plate laminate, and a plurality of approximately rectangular needles are bored in the cylinder half flap body. in,
The throat plate laminate is inserted and arranged in an insertion groove having a small groove at a position corresponding to the recess provided in the throat plate laminate, and the space formed by the recess of the throat plate laminate and the small groove of the cylinder half flap is filled with the needle plate laminate. A cylinder half-lap for combs characterized by inserting and fixing a retaining material.