JPS6333988Y2 - - Google Patents

Description

[Detailed description of the invention] Purpose of the invention (industrial application field) This invention relates to a movement guide device for a carriage drive unit in a knitting machine that moves left and right above the knitting machine body to drive the carriage. .

(Problem to be solved by the invention) This invention provides a movement guide device for a carriage drive unit that can prevent the carriage drive unit from wobbling in the horizontal and vertical directions and can guide the carriage drive unit smoothly and reliably. It was done in order to

Structure of the device (Means for solving the problem) In order to solve the above problems, this device is connected to a carriage mounted on the main body of the knitting machine so as to be able to slide from side to side, and for driving the carriage. The carriage drive unit supporting the motor includes a pair of left and right upper guide wheels each having a collar that engages with the front edge of the rack plate and rolling on the upper surface of the rack plate, and a pair of left and right upper guide wheels. A lower guide wheel having a collar that engages with the front and rear edges of the rack plate between them and rolling on the lower surface of the rack plate, and a gear that meshes with the teeth of the rack plate and is driven by the motor. It is set up.

(Function) With the above-described configuration, in this invention, when the gear is driven by the motor, each guide wheel is rolled on the rack plate based on the meshing between the gear and the teeth of the rack plate, and each of the guide wheels is rotated on the rack plate. The movement of the carriage drive unit is guided by the guide wheel, and the unit is moved smoothly and reliably.

(Example) An example embodying this invention will be described below with reference to the drawings. As shown in FIGS. 1 and 5, a large number of knitting needles 2 are arranged in a row at predetermined intervals so as to be movable back and forth on a knitting machine main body 1 that extends left and right, and are located between the knitting needles 2. Knitting machine body 1
A row of comb teeth 3 are arranged on the front edge of the comb. Further, a carriage 4 is installed on the knitting machine main body 1 so as to be slidable in the left and right directions. An operating handle 7 is disposed on the upper surface of the carriage 4 and includes a pair of left and right legs 5 and a grip 6 integrally formed between the legs 5.
As shown in FIG. 2, both legs 5 rotate around a support shaft 8 extending in the left-right direction on the carriage 4 between an upright position shown by a solid line in FIG. 2 and a collapsed position shown by a chain line in the same figure. It is supported so as to be operable and can be placed and held at each of the above positions separately based on the biasing force of a spring (not shown). and,
Grip portion 6 of operating handle 7 placed in the upright position
By gripping the carriage 4 and sliding the carriage 4 left and right, knitting operation is imparted to each knitting needle 2 based on the action of a knitting cam mechanism (not shown) on the lower surface of the carriage 4. Knitting yarn is supplied from the knitting needles 2 to each knitting needle 2 to form predetermined stitches.

Next, a carriage drive device for automatically driving the carriage 4 by a motor, a movement guide device for guiding the movement of the carriage drive device, and accessories such as both devices are supported on the knitting machine main body 1. The support device for this purpose will be explained in order. First, the support device will be explained with reference to FIGS. 1, 2, and 4 to 6. A pair of support members 10 formed by bending metal plates are attached to the left and right sides of the knitting machine main body 1, and the lower edges of the upright portions 11 of each support member 10 are attached to both sides of the knitting machine main body 1. A lower surface joint portion 12 is formed in contact with the lower surface. Further, each of the upright portions 11 is formed with a rectangular through hole 13, and a support piece 14 that projects outward is bent at the upper edge of the through hole 13. In addition, each of the standing portions 1
1 has a gripping piece 15 that protrudes outward on the rear upper edge.
are bent, and a support arm 16 that projects upward is formed in a bend at the rear edge of each upright portion 11. Further, a pair of elongated holes 17 extending vertically are formed in each of the upright portions 11 at a predetermined interval on both sides of the through hole 13 .

A pair of left and right holding members 18 formed by bending a metal plate is installed between each support member 10 and both sides of the knitting machine main body 1. Each holding member 18 is supported vertically movably relative to each supporting member 10 by a stepped screw 19 screwed into the screw hole 18a. A side joint part 20 is bent at the lower part of each holding member 18 and is joined to the left and right outer surfaces of the knitting machine main body 1 at the tip edge, and at the upper part, the side joint part 20 can be joined to the left and right upper surfaces of the knitting machine main body 1. Upper surface joint portions 21 are formed, and each upper surface joint portion 21 is formed with an engaging step portion 22 that can engage with the front corner portion of the protrusion portion 1a located on the upper surface of both left and right sides of the knitting machine main body 1. And each long hole 17
As the holding member 18 moves up and down along There is.

In addition, projecting pieces 23 and 24 are formed on the upper part of each holding member 18 on both front and rear sides, respectively, and protrude downward, and projecting pieces 23 and 24 are formed on the outer surface of each holding member 18 to penetrate through the through hole 13 of the supporting member 10. A linking piece 25 is formed that projects outward. On the other hand, a fixing screw 26 as a fixing member is screwed into the screw hole of the supporting piece 14 of the supporting member 10, and as the fixing screw 26 is tightened, the lower end of the fixing screw 26 engages with the upper surface of the linking piece 25. Based on the engagement, the holding member 18 is moved downward with respect to the supporting member 10, and the holding member 18 is moved downwardly with respect to the supporting member 10, so that both sides of the knitting machine main body 1 are held between the lower surface joint portion 12 of the supporting member 10 and the upper surface joint portion 21 of the holding member 18. The support members 10 and the holding members 18 can be firmly fixed to the knitting machine main body 1 by holding the parts between them. The two sets of supporting members 10, holding members 18, and fixing screws 26 provided on both left and right sides of the knitting machine main body 1 constitute a supporting device.

Next, a movement guide device and a carriage drive device supported by the support device will be explained. As shown in FIGS. 1 and 2, between the upper ends of the support arms 16 of the left and right support members 10, a square pipe-shaped reinforcing member 30 extending left and right along the knitting machine main body 1 is provided with a plurality of mounting screws 31. It is mounted and fixed on its upper surface. A long flat rack plate 32 extending left and right is fixed to the lower surface of the reinforcing member 30 by a plurality of caulking pins 33, and is positioned substantially horizontally above the knitting machine main body 1. A large number of through holes 34 are bored in the front side of the rack plate 32 at predetermined intervals, and the portions between the through holes 34 constitute teeth that mesh with a pinion 51, which will be described later. Note that the reinforcing member 30 is a rack plate 32.
It is intended to reinforce the

As shown in FIGS. 1, 2, 7 and 8, a carriage drive unit 35 is supported on the rack plate 32 so as to be movable along the rack plate 32. As shown in FIGS.
That is, the carriage drive unit 35 includes a hollow frame 36 that opens at the rear and a cover 37 that covers the rear opening. As shown in FIGS. 2, 7, and 8, a pair of left and right support shafts 38, 39 are protruded from the outer surface of the cover 37 above the rack plate 32. A pair of left and right upper guide wheels 41 and 42 each having a collar 40 that engages with the front edge of the rack plate 32 is rotatably supported, and when the carriage drive unit 35 is moved, each of the upper guide wheels 41 and 42 can be easily moved. It is adapted to roll on a plate 32. Further, a support shaft 43 is provided protruding from the outer surface of the cover 37 below the rack plate 34 so as to be located between the support shafts 38 and 39. 1 with a collar 44 that engages with the edge;
Lower guide wheels 45 are rotatably supported and are adapted to roll on the lower surface of the rack plate 32 when the caliper drive unit 35 moves.

As shown in FIG. 7, a partition wall 47 is fixed inside the hollow frame 36 and divides the internal space of the frame 36 into two, front and rear. A driven shaft 50 is rotatably supported via a pair of bearings 48 and 49. A pinion 51 is fixed to the outer end of the driven shaft 50, and its teeth 51a are adapted to mesh with the through holes 34 of the rack plate 32. The frame 36 is installed in front of the partition wall 47.
A motor 52 is mounted and fixed inside, and a small-diameter drive gear 53 located between the partition wall 47 and the cover 37 is fixed to the motor shaft 52a. A large-diameter first intermediate gear 54 that meshes with the drive gear 53 and rotates relatively on the driven shaft 50 is supported on the driven shaft 50, and rotates integrally with the first intermediate gear 54. A second intermediate gear 55 having a small diameter is supported. Moreover, the motor shaft 52a
A large-diameter third intermediate gear 57 that meshes with and rotates with the second intermediate gear 55 is supported on a support shaft 56 protruding from the inner surface of the cover 37 so as to face the second intermediate gear 55. A small-diameter fourth intermediate gear 58 that rotates integrally with the gear 57 is supported.
Furthermore, a fourth intermediate gear 58 is provided on the driven shaft 50.
A large-diameter fifth intermediate gear 59 that is rotated in mesh with the driven shaft 50 is supported so as to be rotatable integrally with the driven shaft 50 . Therefore, when the motor 52 is rotated in the forward or reverse direction, the drive gear 53 and the first to fifth intermediate gears 54, 55, 57
59, the pinion 51 is decelerated and reversed in the forward and reverse directions together with the driven shaft 50, and as the pinion 51 rotates in the forward and reverse directions, the carriage drive unit 3 is
5 is moved in the left-right direction along the rack plate 32.

Further, an upper guide ring 4 is provided on the outer surface of the cover 37.
1, 42, and a protector 46 is attached to cover the left and right sides, rear, and upper part of the pinion 51.

A pair of protective protrusions 60 for protecting both sides of the lower guide ring 45 are integrally formed on the outer surfaces of both left and right ends of the cover 37 so as to be located below the rack plate 32. A slight gap is formed between the lower surface of the plate 32 and the lower surface of the plate 32.

In addition, the rack plate 32, the upper guide wheels 41, 4
2. The lower guide wheel 45 and the pinion 51 constitute a movement guide device for the carriage drive unit 35.

As shown in FIGS. 2 and 8, a pair of bosses 61 are provided below the rack plate 32 and on the sides of the lower guide wheel 45, and the bosses 61 are provided with a connection formed by bending a metal plate. The member 63 is the upper end attachment part 63a
It is attached by screws 62 at. A connecting portion 63b extending approximately horizontally at a height corresponding to the leg portion 5 of the handle 7 in the upright position is bent at the lower portion of the connecting member 63.
A wide connecting groove 64 that opens at the rear is formed in b. An operating handle 7 fitted into the connecting groove 64 is provided at the groove edges on both the left and right sides of the connecting groove 64.
In order to prevent the legs 5 from being damaged, protrusions 65 extending back and forth are formed in a bent manner. and,
As shown in FIGS. 1 and 2, with the connecting groove 64 disposed relative to the right leg 5 of the operating handle 7, the operating handle 7 is moved from the collapsed position shown by the chain line in FIG. By rotating the operating handle 7 to the upright position shown by the solid line, the leg portion 5 of the operating handle 7 is fitted into the connecting groove 64, and the carriage 4 is thereby connected to the carriage drive unit 35. Furthermore, when the leg portion 5 of the operating handle 7 is fitted into the connecting groove 64, if the operating handle 7 is rotated to the collapsed position shown by the chain line in FIG. It can be easily removed, and the connection between the carriage 4 and the carriage drive unit 35 is released.

The carriage drive unit 35, the connecting member 63, the operation handle 7 of the carriage 4, etc. constitute a carriage drive device. Further, an operating switch (not shown) for switching the rotation of the motor 52 in both forward and reverse directions is provided on the outer surface of the hollow frame 36 of the carriage drive unit 35.

Next, the operation of the knitting machine configured as described above will be explained.

Now, as shown in FIG. 1, the carriage 4 is arranged near the left end of the knitting machine main body 1, and the carriage drive unit 35 is placed above the right side of the carriage 4.
With the right leg 5 of the operating handle 7 placed relative to the connecting groove 64 of the connecting member 63, the operating handle 7 is placed in the laid down position shown by the chain line in FIG. When the right leg 5 is rotated to the standing position shown, the right leg 5 is fitted into the connection groove 64, and the carriage 4 can be connected to the carriage drive unit 35 with one touch. The operating handle 7 is held in the upright position by a spring (not shown).

In this state, when a switch for automatically reciprocating the carriage (not shown) is operated to drive the motor 52 to rotate in one direction, the motor 52 is rotated in one direction through the drive gear 53 and the first to fifth intermediate gears 54, 55, 57 to 59 shown in FIG. The pinion 51 is rotated in one direction together with the driven shaft 50, and the teeth 51a of the pinion 51 and the rack plate 32 are rotated together with the driven shaft 50.
Based on the engagement with the rack plate 32, the carriage drive unit 35 is moved to the right in FIG. 1, and as the carriage drive unit 35 is moved, the carriage 4 is automatically moved to the right. Ru. Therefore, the knitting operation is performed by each knitting needle 2 based on the operation of the knitting cam mechanism of the carriage 4. and,
After knitting by the right end needles 2 of a predetermined knitting section is completed, the motor 52 is automatically reversed, and based on this, the moving direction of the carriage 4 is reversed and the carriage 4 is moved to the left. In this way, stitch formation is automatically performed.

Incidentally, when the carriage drive unit 35 is moved, the upper guide wheels 41, 42 and the lower guide wheel 45 are rolled while the flanges 40, 44 are respectively engaged with the front edge and both front and rear edges of the rack plate 32. Therefore, each guide wheel 41, 42, 45 is guided by the rack plate 32 without coming off from the rack plate 32, and the movement of the carriage drive unit 35 along the rack plate 32 is smoothly and reliably guided. can do.

Further, in this embodiment, the carriage drive unit 35 connects a pair of upper guide wheels 41 and 42 on the rack plate 32 and a lower portion located below the rack plate 32 between both upper guide wheels 41 and 42. Since it is supported on the rack plate 32 by the guide wheel 45, the movement of the carriage drive unit 35 is guided smoothly and reliably without vertical or horizontal wobbling, despite the simple structure. be able to.

In addition, when attaching the support device for supporting the carriage drive unit 35 to the knitting machine main body 1, each holding member 18 is placed and held in an upper position with respect to each support member 10 together with the stepped screw 19, and the lower surface is connected. With the space between the portion 12 and the upper surface joint portion 21 expanded,
Each support member 10 is attached to both sides of the knitting machine main body 1, and the lower joint portions 12 of each support member 10 are joined to the lower surfaces of both sides of the knitting machine main body 1, and each side joint portion 20 is connected to the lower surface of the knitting machine main body 1. Join both left and right sides.

Further, each upper surface joint portion 21 is joined to the upper surface of both left and right sides of the knitting machine main body 1. And in that state,
The engaging stepped portions 22 of each holding member 18 are engaged with the outer corner portions of both protruding portions 1a of the knitting machine main body 1. Next, when the fixing screw 26 is tightened, each holding member 18 is pressed downward based on the engagement between the lower end of the fixing screw 26 and the upper surface of the linking piece 25, and the upper surface joint portion 21 of each holding member 18 and the support The knitting machine main body 1 is reliably held between the lower surface joint part 12 of the member 10. Next, by tightening the stepped screws 19, each support member 10 and the holding member 18 can be firmly connected. In this way, the carriage drive unit 35 can be reliably supported on the knitting machine main body 1 without performing any special processing on the knitting machine main body 1.

Effects of the invention As detailed above, this invention has the excellent effect of preventing the carriage drive unit from wobbling in the horizontal and vertical directions and guiding the carriage drive unit smoothly and reliably. .

[Brief explanation of the drawing]

Figure 1 is a partially cutaway front view of a knitting machine embodying this idea, Figure 2 is an enlarged side view, Figure 3 is an enlarged plan view of the connecting member, and Figure 4 is a portion of the support device. FIG. 5 is a partially enlarged plan view of the support device, FIG. 6 is a partially exploded perspective view, FIG. 7 is an enlarged plan view showing a partially cut away carriage drive unit, and FIG. 8 is a partially enlarged plan view of the support device. It is an enlarged rear view. In the figure, 1 is the knitting machine body, 4 is the carriage, 32
is a rack plate, 35 is a carriage drive unit, 40
is the tsuba, 41 and 42 are the upper guide wheels, 44 is the tsuba, 45
is a lower guide wheel, 51 is a pinion as a gear, 5
2 is a motor.

Claims (1)

[Claims for Utility Model Registration] A rack plate 32 in the form of a flat plate that is long horizontally from side to side is installed above the knitting machine main body 1, and a carriage 4 is mounted on the knitting machine main body 1 so as to be able to slide from side to side. The carriage drive unit 35, which is connected to the motor 52 and supports a motor 52 for driving the carriage 4, has a collar 40 that engages with the front edge of the rack plate 32 and rolls on the upper surface of the rack plate 32. a pair of left and right upper guide wheels 41, 42;
A lower guide wheel 45 has a collar 44 that engages with both the front and rear edges of the rack plate 32 between the upper guide wheels 41 and 42, and rolls on the lower surface of the rack plate 32.
and a gear 51 that meshes with the teeth of the rack plate 32 and is driven by the motor 52.