JPS6055616B2 - Pattern feeding device of pattern paper punching machine - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a paper punching machine for making paper for a jacquard machine.

The patterned paper used in the jia card machine usually has multiple rows and columns of perforations corresponding to one weft thread, and many pieces of such patterned paper are stitched together to create a pattern for one design drawing. It is considered paper.

In the jacquard machine, the pattern paper is placed over a cylinder having a large number of small holes corresponding to the tips of the horizontal needles to control the warp threads, that is, to control the shedding operation.

That is, one sheet of patterned paper is used for each weft thread, and each time the cylinder is rotated by a certain angle, the patterned paper is sequentially positioned on the side of the horizontal needle, and the horizontal needle that corresponds to the hole in the patterned paper is not obstructed by the patterned paper. Since there is no needle, the vertical needle connected to the horizontal needle is a knife.
＝” − ”Todoroki, meeting” 1 0-nose, 哩一
Λ, - 1 == 1f, :to, 1-1-
1-? , 凰-i龜. The warp threads are pulled up through the threads connected to the threads, while the horizontal needles are pressed by the pattern paper at positions where there are no holes in the pattern paper.
Even if the knife rises to move the vertical needle connected to the horizontal needle away from the push knife, the warp threads are not pulled up. If the patterned paper that controls the shedding of warp threads is not perforated to match the large number of small holes on the cylinder surface of the jia card machine, for example, if there is a large error in the pitch between the rows of holes in the patterned paper, the pattern will be damaged. In one sheet of paper, there are perforations that do not match the small holes of the cylinder and are misaligned, so that the horizontal needles that should normally enter the patterned paper are at a position where there are no holes in the patterned paper and cannot enter. Therefore, it is extremely important to ensure that the pitches between the rows of holes in one sheet of pattern paper are equal, that is, to ensure that the pattern paper is fed so that there is no error in the feed pitch.

The present invention achieves the above object and further provides a pattern paper perforation machine that allows all the pattern paper produced to have the same hole pitch.Embodiments of the present invention will be described below with reference to the drawings. do.

Fig. 1 shows an embodiment of a pattern punching machine, in which 1 is a control plate in which a memory needle 2 is engaged with a U-groove 3 and is suspended; one end of the control plate 1 is supported on a fixed shaft 4 extending in a direction perpendicular to the plane of the paper. and can swing freely around axis 4.

Further, as shown in the second diagram, the number of control plates 1 corresponds to one row of marking paper in the direction of the axis 4, and a locking plate 6 operated by a solenoid 5 is fixed to the upper surface of each plate 1. When the upper solenoid rod 7 is projected, the lower end of the solenoid rod comes into contact with the locking plate 6 to prevent rotation of the plate and position the plate. The plate 1 is connected to the lower end of a spring 8, and the upper end of the spring 8 is locked to a hook 10 hooked to a fixed shaft 9 of the machine base, so that the control plate 1 is always biased counterclockwise around the shaft 4. and the upper limit position is a reset axis 11 extending parallel to the axis 4 and across the entire plate width.
As the reset shaft 11 moves up and down, the plate 1 follows the reset shaft 11 and operates to assume the vertical position.

The same number of solenoids 5 as the number of plates 1 are provided, and energization is controlled by a command from a design reading/storage device (not shown) to cause the solenoid rods 7 to emerge and retract.

Furthermore, the memory meter 2 suspended from the control plate 1 has a hole 12 in the middle, and a breather 13 is horizontally passed through the hole 12 and supported. When the memory meter 2 is at the lower position, the breather 13
is in the operating position, and is pressed by the breath grid 15 fixed to the movable frame 14, and the punch 1 at the tip of the breather is pressed.
Slide 6.

The movable frame 14 is movable left and right along the guides 17, 17, and is moved left and right in synchronization with the vertical movement of the plate 1 by a drive device (not shown).

18 is a die and is punched in the direction of the punch 16. The stamp paper 19 on the die 18, which has the same number of holes 18a as the punches 16, is perforated by the left row of the breather 13 corresponding to the lower position of the memory meter 2.

Reference numerals 20 and 21 indicate card wheels for intermittently transporting the patterned paper 19 at a predetermined pitch.
A pawl 22 is erected, and the pawl 22 engages with a feeding hole for the patterned paper to intermittently transport the patterned paper without slipping.

3 and 4 show the driving mechanism of the card wheels 20 and 21, in which the parallel shafts 23 and 23 provided on the machine stand,
A large gear 25 for card wheel z is keyed to the shaft 23 of 24, and a small gear 26 is keyed to the shaft 24 and mesh with each other. The tooth number ratio of the gears 25 and 26 is large gear 25
The number of teeth is an integral multiple of the small gear 26, and in this embodiment, the gear ratio is 1:9.

Reference numeral 20 denotes a card wheel fixed at multiple locations on a shaft 23 to which the large gear 25 is fixed, and claws 22 are set on the circumferential surface of the card wheel 20 at equal intervals equivalent to one piece of paper pattern, and the pattern paper is inserted intermittently. to be transferred.

A gear 27 is keyed to the other end of the shaft 23, and a gear 30 is keyed to the upper wheel shaft 29 via an intermediate gear 28. The gears 27, 28, and 30 have the same diameter and the same number of teeth. Similarly to the shaft 23, card wheels 21 are fixed to the shaft 29 at several locations, and the shaft 29 rotates in synchronization with the rotation of the shaft 23.
9 also rotates actively to transport the patterned paper without sagging. Note that 31 and 32 are machine side bearings, and 17 is a die provided between the upper and lower wheels.

Furthermore, a pitch feeding ratchet 3 is attached to the shaft 24 of the small gear 26.
3 and a cam plate 34 for positioning the small gear 26 are integrally fixed, and a pawl 35 that engages with a hook 36 is formed around the ratchet 33 as shown in FIG.

The number of pawls 35 is determined by the style of the pattern paper, and in this example, when the hole size is 8 x 168, the pawls 35 are engraved in nine places, and one sheet of pattern paper is created with one rotation of the ratchet. It is becoming more and more common. Note that due to the style of the pattern paper, the spacing between the claws 35 at seven locations, that is, the spacing between the claws at the hole punching positions, is constant 0, but at two locations, the spacing θ'' is slightly larger than the above-mentioned spacing. By taking measures to improve the dimensions, it is also possible to make all the pawls equally spaced by pattern paper.In addition, the cam plate 34 has nine troughs 37 formed therein, as shown in FIG. A spring-biased cam follower 48 is fitted into the cam plate to position the cam plate in a fixed position, that is, to position the shaft 2 male small gear 26 at a predetermined pitch position.
Similarly to No. 3, the intervals between the troughs at seven locations are equal to 0, and only two locations are set slightly larger at θ''.

That is, the cam follower 4 is attached to the first valley L1 of the valley portion 37.
8 is positioned, the first row of holes on the stamp paper are perforated, and when the cam plate 34 rotates counterclockwise at an angle of 0 and the cam follower 48 is in the valley L2, the second row of holes L2 is made on the stamp paper. is,
When the eighth row is perforated and the perforation of one piece of pattern paper is completed, and the cam follower 48 is fitted into the valley L9, the cam follower 48 is fitted into the valley L9 due to the rotation of the cam plate at an angle of 0'' which continues without perforation on the pattern paper. L1 is fitted again, and the first row of the second piece of pattern paper is set on the die. Also, in Figures 4 and 5,
An auxiliary gear 38 for backlash prevention having the same diameter and the same number of teeth as the small gear 26 is loosely fitted onto the shaft 24 and meshes with the large gear 25.

The auxiliary gear 38 is loosely fitted to the shaft 24 so as to rotate freely, but since it meshes with the large gear 25, it rotates integrally with the small gear 26. Further, one end of a spring 39 wound around the shaft 24 is locked to the end face of the auxiliary gear 38, and the other end of the spring 39 is secured to a nut body 40 fixed to the shaft 24.
is locked. The nut body 40 locks the spring 39 and rotates around the shaft several times to apply a biasing force around the shaft to the auxiliary gear 38.
It is fixed to the shaft 24 and is mounted so as to rotate with the rotation of the shaft 24. The auxiliary gear 38 is urged around the axis by a spring 39 and is pressed against the end face of the small gear 26, thereby preventing it from falling off from the meshing portion of the large gear 25.

Therefore, at the meshing portion between the small gear 26 and the large gear 25 of the auxiliary gear 38, the teeth 25 of the large gear 25 are engaged as shown in FIG.
Even if a collision occurs when the teeth 26a of the small gear 26 mesh with the teeth 26a of the small gear 26, the teeth 35a of the auxiliary gear 38 are pressed against the teeth 25b of the large gear by the spring, and under this condition, the small gear 2
6 and the auxiliary gear 38 rotate integrally, the rotational wobble caused by the backlash of the large gear 25 is eliminated.

In addition, in FIG. 3, 42 is a rod 43 that reciprocates up and down.
The lever 42 is supported by a spring 4.
5, the lever is always biased clockwise around the shaft 44, and the hook 36 at the tip of the lever engages the pawl 35 of the ratchet 33, and the reciprocating movement of the rod 43 moves the ratchet 33 and cam plate 34 integrally by one pitch. It rotates intermittently.

Note that the vertical reciprocating movement of the rod 43 is performed by a known cam device,
This is done by a link mechanism or the like. Further, a swinging rod 47 is suspended and supported by a shaft 46 fixed to the machine base, and a cam follower 48 is rotatably supported at the end of the swinging rod 47, and a cam follower 48 is rotatably supported at the end of the swinging rod 47. One end of the spring 49 is connected, and the other end of the spring 49 is fixed to the machine base, so that the swinging rod 47 is always biased to the right and presses against the trough 37 of the cam plate 34 to position the small gear 26. Fix it.

A drilling method using the above device will be explained. That is, when creating a pattern paper 19 as shown in Figure 8, the first row of the design drawing, that is, one weft, is read and stored by the device that reads and stores the first row, 1, 9, 17.
, 25, .

Prior to this signal, all the control plates 1 assume the lower position against the spring 8 by turning the reset shaft 11 to the lower position, and under this condition the solenoids 5 are selectively activated according to the design drawing. The rod 7 of the energized solenoid protrudes and comes into contact with the upper surface of the locking plate 6 of the plate 1 shown in the second figure. Subsequently, by turning the reset shaft 11 to the upper position, the control plate 1 corresponding to the protruding solenoid rod 7 is blocked by the rod and held in the lower position, and the control plate 1 corresponding to the de-energized solenoid is stopped by the spring 8. Take the top position quickly. By moving the movable frame 14 to the left under such an arrangement of the control plates 1, the breather 13 supported by the memory needle 2 of the lower plate is pressed against the breath grid 15, moves to the left, and is arranged in a staggered pattern. The punches 16 at the tips of the punches 16 punch holes Q1 in the first row L1 of the patterned paper 19 all at once.

When the drilling operation for the first row is completed, the movable frame 14 returns to its original position and the reset shaft 11 is rotated to the lower position.
The control plates 1 all take the lower position and are reset.
Furthermore, in the reset state, the sliding rod 43 shown in the third figure reciprocates once in the vertical direction, and the hook 36 at the tip of the lever 42 engages with the pawl 35 of the ratchet 33 to rotate it one pitch.
That is, the small gear 26 rotates 119 times to rotate the trough L of the cam plate 34.
The cam follower 48 is fitted to the gear 2, the small gear 26 is rotated by 0 angle and positioned, and the large gear 25 is rotated by 1 pitch of the small 7 gear 26 and positioned. That is, in this embodiment, the large gear rotates 1181 times.

Therefore, the card wheel 20 fitted on the shaft 23 to which the large gear 25 is fixed rotates by one pitch P, and the pattern paper 719 is transferred by one pitch P. After that, in the same manner as above, the first design drawing
The 2nd, 10th, 18th, 26th...13th bird in the row is perforated Q2 in the second row L2 of the patterned paper, and in the same manner, perforations are made in the 3rd row L3 to L8 of the 8th row of the patterned paper. The cam plate 3 has a perforation for one weft thread (134 threads per row in the design drawing).
A piece of patterned paper 19a having a margin portion P' is created with the cam follower 48 fitted into the valley L9 of 4.

That is, one rotation of the ratchet 33 and the cam plate 34 causes the small gear 26 to rotate once, thereby creating one sheet of paper, and during this period, the large gear 25 rotates 1/9 of a rotation.

Therefore, if there is a machining error in the cam plate 34, for example, if there is a machining error of 1 degree in the angle 0 between the troughs Ll and L2, the error is 1 degree per rotation of the cam plate, so the large gear 25 The influence of will be reduced to 1/9 degree. In other words, when the cam plate and wheel rotation are 1:1, the error in the cam plate becomes an error in the wheel rotation and becomes a pitch error on the pattern paper, but in this example, one rotation of the cam plate causes the wheel to rotate by 1/9. Since it is a rotation, the error is reduced to 1/9, and therefore the perforation pitch error on the pattern paper is also reduced to 1/9.
In the case of the above embodiment, the small gear 2 rotates integrally with the cam plate 34.
Since the gear ratio of 6 and the large gear 25 for the card wheel is 1:9, the machining error of the cam plate is 1/9, but if the gear ratio is 1:n (n is an integer), the error is 1/n. It is natural that it will become.

Also, since one piece of pattern paper is created for each rotation of the cam plate 34, the first row of the pattern paper always corresponds to the valley L1 of the cam plate 34, and the ninth column in the margin always corresponds to the valley. Corresponding to L9, each pattern paper is created with the same perforation pitch, and when inspecting the perforation state of a pattern paper, by examining one piece of pattern paper, it is possible to check the perforation pitch of all other patterns. Can represent crest paper.

Furthermore, in the present invention, at the meshing portion between the small gear 26 and the large gear 25, the auxiliary gear 38 is spring-biased to mesh with the large gear 25, so that the teeth 25a of the large gear 25 as shown in FIG.
, 25b between the teeth 26a, 3 of the small gear 26 and the auxiliary gear 38.
8a is inserted tightly. Small gear 26 because it meshes as if
This prevents rattling of the large gear due to the backlash of the large gear 25 and smoothes the rotation of the card wheel.In addition, the pitch rotation of the cam plate 34 is accurately transmitted to the large gear 25 via the small gear 26. The perforation pitch P on the pattern paper is reliably defined by the intermittent rotation, and the perforation pitch P can be guaranteed. Note that the holes 50, 50 on both sides of the pattern paper 19 shown in FIG.
The pawl 22 of No. 1 engages and transfers the patterned paper.

Further, other holes 51, 52, and 53 are punched between the holes 50 and 50, that is, on both sides of a sheet of pattern paper, using a punch different from the hole punch.

The hole 52 is a hole for positioning the pattern paper when it is mounted on the jia card machine.The holes 50 and 52 prevent the pattern paper from shifting and position it at a fixed position on the cylinder of the jia card machine. Further, the holes 51 and 53 are engaged with a feeding device of a punching machine when copying and perforating the same pattern/paper as the pattern paper 19. If the holes 51, 52, and 53 are not punched accurately at the predetermined positions on a piece of paper, there is a risk that the paper will be misaligned when the paper is attached to the Jia card machine, and copy punching may not be possible. However, in the drilling machine according to the present invention, the holes 50, 51, 52,
The pitch between 53 and 53 can also be guaranteed in the same way as the hole.

As described above, in the present invention, a large gear is fixed to a shaft to which a card wheel for intermittently transporting paper patterns is fixed, and a small gear that rotates intermittently at a predetermined pitch is engaged with the large gear, and a shaft to which the small gear is fixed. An auxiliary gear with the same diameter and the same number of teeth as the small gear is loosely fitted into the shaft, and the auxiliary gear meshes with the large gear integrally with the small gear with a spring biased around the shaft, and the small gear is fixed to the shaft. I fixed a cam plate whose circumference was divided into a number equal to the pitch feed number of one piece of pattern paper by rotating a small gear intermittently.
The rotation angle error caused by the intermittent rotation of the small gear is reduced, there is no bumpiness at the gear meshing part, the perforation position on a piece of paper is accurately defined, the perforation operation is performed at a predetermined pitch, and one part of the cam plate is One piece of patterned paper is created with one rotation of the small gear, and the perforation pitch between each patterned paper can be made the same, making it possible to continuously create very highly accurate patterned paper.

[Brief explanation of the drawing]

FIG. 1 is a schematic side cross-sectional view showing an embodiment of a paper perforation machine, and FIG. 2 is a plan view of a control plate portion of the perforation machine.
FIG. 3 is a schematic side view showing the card wheel drive mechanism according to the present invention, FIG. 4 is a partially sectional front view of the same mechanism, and FIG.
The figure is a sectional view of the same main part, Figure 6 is a front view of the ratchet, and Figure 7 is a front view of the ratchet.
FIG. 8 is a front view of the cam plate, FIG. 8 is a diagram showing an example of a pattern paper produced by the apparatus of the present invention, and FIG. 9 is an enlarged view showing the meshing portion of the small gear and the large gear. 19... Crest paper, 20, 21... Card wheel, 2
3, 24...Gear fixed shaft, 25...Large gear, 26
...Small gear, 34...Cam plate, 38...Auxiliary gear.

Claims (1)

[Claims] 1. A large gear is fixed to the end of a shaft to which a card wheel for intermittently transferring the paper pattern is fixed, and a small gear that rotates intermittently at a predetermined pitch is engaged with the large gear, and the small gear is attached to the shaft to which the small gear is fixed. An auxiliary gear with the same diameter, the same number of teeth, and energized around the shaft is loosely fitted and meshed with the large gear, and the small gear is fixed to the shaft, the number of which is equal to the pitch feed number of one piece of pattern paper. A pattern feeding device for a pattern paper punching machine, characterized in that a cam plate whose periphery is divided into two is fixed to a shaft so that it can rotate intermittently.