TWI725694B - Knitting needle translation mechanism of loom - Google Patents

Abstract

This creation is a knitting needle translation mechanism of a webbing machine, which includes a body, a carrying rod, a transmission wheel, and a connecting screw. The base body is fixed on the loom and includes a channel extending in a straight line. The carrier rod penetrates through the channel, and both ends are located outside the channel and can move linearly along the channel. The transmission wheel is driven to rotate by the driving device. One end of the connecting screw is pivoted to one end of the carrier rod, and the other end is pivoted to the transmission wheel. The connection between the connection screw and the transmission wheel deviates from the axis of the transmission wheel, and the pivots at both ends of the connection screw are parallel to the axis of the transmission wheel. By arranging the knitting needle on the other end of the carrying rod relative to the connecting screw, the carrying rod can carry the knitting needles to move back and forth in a straight line, so that the edge of the webbing can be smoothly closed; and the transmission wheel and the connecting screw are used as the transmission mechanism. Making the overall structure simple is beneficial to manufacturing and maintenance.

Description

Knitting needle translation mechanism of loom

This creation relates to a needle translation mechanism of a loom.

Please refer to FIG. 6 and FIG. 7, the belt loom includes a weft hook 91 and a knitting needle 92. The weft hook 91 is used to pull the weft thread and make the weft thread pass from one side to the other side of the plural warp threads staggered up and down. The knitting needle 92 cooperates with the weft hook 91 to hook and tighten the weft on the other side, thereby completing the knitting of a weft. In the prior art, the knitting needle 92 is attached to a swing arm 93 and swings back and forth in an arc shape, so as to hook forward the weft thread passing by the weft hook 91, and pull the weft thread backward to complete the knitting.

However, since the knitting needle 92 swings in an arc, it will also drive the weft to move in an arc after hooking the weft. As a result, when weaving a thick webbing, the wefts tightened by the arc movement will produce uneven edges at the edges of the webbing, resulting in rough and uneven edges of the webbing, which reduces the texture of the overall product.

In view of the aforementioned shortcomings and deficiencies of the prior art, the present invention provides a knitting needle translation mechanism of a loom, which can make the knitting needle move back and forth in a straight line, so that the edge of the webbing can be flattened.

In order to achieve the above creative purpose, the technical means used in this creation is to design a knitting needle translation mechanism of a loom, which is fixed on a loom, and is used to connect a driving device and to connect a knitting needle; The needle translation mechanism of the loom includes: A base for being fixed on the loom and containing a channel; the channel extends along a straight line; A carrier rod, which penetrates the channel and can move linearly along the channel; the carrier rod includes opposite A knitting needle end, which is located outside the channel and used to connect the knitting needle; A connecting end, which is located outside the channel; A transmission wheel for connecting to the driving device, and thereby being driven to rotate by the driving device; A connecting screw, one end of which is pivoted on the connecting end of the carrier rod, and the other end is pivoted on the transmission wheel; the connection point of the connecting screw and the transmission wheel is offset from the axis of the transmission wheel; the connection screw and the carrier The pivot at the pivot joint of the rod, the pivot at the pivot joint of the connecting screw and the transmission wheel, and the axis of the transmission wheel are parallel to each other.

The advantage of this creation is that by using the carrier rod to pass through the channel of the seat body and can move linearly along the channel, the seat body can be fixed on the loom and the knitting needles are set on the carrier rod. The knitting needle end, in this way, the carrier rod can carry the knitting needle and move it back and forth in a straight line, so that the edge of the webbing can be smoothly closed. In addition, the use of the transmission wheel and the connecting screw as the transmission mechanism to drive the carrier rod to move back and forth relative to the seat body can simplify the structure between the seat body and the carrier rod as much as possible, and no longer need to be driven by complicated gears and multi-link mechanisms. , In turn, can make the overall structure simple and facilitate manufacturing and maintenance.

Furthermore, in the knitting needle translation mechanism of the belt loom, the transmission wheel includes a connection notch, which is recessedly formed on the outer peripheral surface of the transmission wheel and extends toward the shaft center of the transmission wheel; the connecting screw is arranged at The connecting slot is inside, and the connecting position with the transmission wheel can be adjusted along the connecting slot.

Furthermore, in the needle translation mechanism of the loom, the seat body further includes a pressing member arranged in the channel and pressed against the carrier rod.

Furthermore, in the knitting needle translation mechanism of the loom, the inner wall surface of the channel of the seat body is concavely formed with a mounting groove, and the pressing member is arranged in the mounting groove.

Furthermore, in the knitting needle translation mechanism of the loom, the pressing member is an arc spring, and the pressing member includes two fixed ends and an arc convex section; the two fixed ends are fixed in the channel, the The arc convex section is connected between the two fixed ends and protrudes toward the carrying rod and abuts against the carrying rod.

Furthermore, in the knitting needle translation mechanism of the webbing machine, two universal bearings are respectively provided at both ends of the connecting screw; the connecting screw is pivoted to the carrier rod and the transmission wheel by the two universal bearings.

Furthermore, in the knitting needle translation mechanism of the weaving machine, the length of the connecting screw can be adjusted.

In the following, in conjunction with the drawings and preferred embodiments of this creation, the technical means adopted by this creation to achieve the predetermined creation purpose are further explained.

Please refer to Figure 1, Figure 2, and Figure 3. The knitting needle translation mechanism of the loom of this creation is used to be fixed on a loom (not shown in the figure) and used to connect a driving device (not shown in the figure). Show), and used to connect a knitting needle A. The knitting needle translation mechanism of the webbing machine includes a base body 10, a carrier rod 20, a transmission wheel 30, and a connecting screw 40.

The base 10 is used to be fixed on the loom and includes a channel 11 and a pressing member 12. The channel 11 extends along a straight line, and the inner wall surface of the channel 11 is concavely formed with a mounting groove 111. The pressing member 12 is disposed in the mounting groove 111, and specifically, in this embodiment, the pressing member 12 is an arc-shaped compression spring leaf, and the pressing member 12 includes two fixed ends and an arc convex section. The two fixed ends are abutted and fixed in the installation groove 111, and the arc convex section is connected between the two fixed ends and is used to press against the load rod 20. The specific structure of the pressing member 12 is not limited to the above, and may also be a matching structure of a steel ball and a spring. Even in other embodiments, the pressing member 12 and the installation groove 111 may not be provided.

The carrier rod 20 passes through the channel 11 and can move linearly along the channel 11. Specifically, in this embodiment, the shape of the carrier rod 20 is the same as the shape of the channel 11, and the two are matched with high precision, so that the carrier rod 20 can be stabilized when moving without shaking due to gaps. The carrier rod 20 includes a knitting needle end 21 and a connecting end 22 opposite to each other. Both the knitting needle end 21 and the connecting end 22 are located outside the channel 11, and a knitting needle seat 211 is provided on the knitting needle end 21, and the knitting needle seat 211 is used for connecting the knitting needle A. In addition, in this embodiment, the arc convex section of the pressing member 12 of the seat body 10 protrudes toward the carrier rod 20 and abuts against the carrier rod 20, thereby further reducing the gap and enabling the carrier rod 20 to move stably.

The transmission wheel 30 is used for connecting to the driving device, and thereby being driven to rotate by the driving device. Specifically, in this embodiment, the transmission wheel 30 includes a connecting groove 31. The connecting groove 31 is recessedly formed on the outer peripheral surface of the transmission wheel 30 and extends toward the shaft center of the transmission wheel 30.

One end of the connecting screw 40 is pivoted to the connecting end 22 of the carrier rod 20, and the other end is pivoted to the transmission wheel 30. In addition, the connection between the connecting screw 40 and the transmission wheel 30 is offset from the axis of the transmission wheel 30. The pivot at the pivot joint of the connecting screw 40 and the carrier rod 20, the pivot at the pivot of the connecting bolt 40 and the transmission wheel 30, and the axis of the transmission wheel 30 are parallel to each other. Specifically, in this embodiment, the connecting screw 40 is arranged in the connecting groove 31 of the transmission wheel 30, and the connection position with the transmission wheel 30 can be adjusted along the connecting groove 31. However, it is not limited to this. In other embodiments, the transmission wheel 30 may not have the connection groove 31. In this way, the connecting screw 40 may be pivoted on a connecting post protruding from the transmission wheel 30, or the connecting screw 40 may be pivoted. It is arranged on a screw and the screw passes through a perforation of the transmission wheel 30.

In addition, in this embodiment, the two ends of the connecting screw 40 are respectively provided with two universal bearings, and the connecting screw 40 is pivoted to the carrier rod 20 and the transmission wheel 30 with two universal bearings, respectively. Thereby, the connecting screw 40 can be inclined to connect the carrier rod 20 and the transmission wheel 30. In other words, even if the carrier rod 20 and the transmission wheel 30 are not on the same straight line in the upper direction, the connecting screw 40 can be pivoted with two universal bearings. Connected to the two, so as to maintain the three pivots parallel. In this way, Vientiane bearings can be used to eliminate left and right errors during locking, and can also be used to fit the connection of the installation space. Furthermore, in this embodiment, the length of the connecting screw 40 can be adjusted, and the adjustment effect can be achieved by using a screw and a nut, so that the two ends of the connecting screw 40 can be maintained when the transmission wheel 30 pushes and pulls the connecting screw 40. Relatively fixed and not stretchable.

Please further refer to Figure 3, Figure 4, and Figure 5. When this creation is in operation, the base 10 is fixed and the transmission wheel 30 is driven to rotate by the driving mechanism. At this time, since the connection between the connecting screw 40 and the transmission wheel 30 is offset from the axis of the transmission wheel 30, the connection will follow the transmission wheel 30. 30's rotation and circular movement around. Thereby, the other end of the connecting screw 40 can drive the carrier rod 20 to move linearly along the channel 11 of the base body 10.

By using the carrier rod 20 to pass through the channel 11 of the seat body 10, and can move linearly along the channel 11, the seat body 10 can be fixed on the loom, and the knitting needle A is set on the carrier rod 20 In this way, the carrier rod 20 can carry the knitting needle A and move it back and forth in a straight line, so that the edge of the webbing can be smoothly closed. In addition, the use of the transmission wheel 30 and the connecting screw 40 as a transmission mechanism to drive the carrier rod 20 to move back and forth relative to the base body 10 can simplify the structure between the base body 10 and the carrier rod 20 as much as possible, and no need to use complicated gears. And the multi-link mechanism drives, which can make the overall structure simple and facilitate manufacturing and maintenance.

The above description is only the preferred embodiment of the creation, and does not limit the creation in any form. Although the creation has been disclosed in the preferred embodiment as above, it is not intended to limit the creation. Any technical field has Generally knowledgeable persons, without departing from the scope of this creative technical solution, can use the technical content disclosed above to make slight changes or modifications into equivalent embodiments with equivalent changes. However, any content that does not deviate from this creative technical solution is based on this Any simple modifications, equivalent changes and modifications made to the above embodiments by the technical essence of the creation still fall within the scope of the technical solution for creation.

A: Knitting needle 10: Seat 11: Channel 111: installation slot 12: Urgent parts 20: Carrying rod 21: Knitting needle end 211: Knitting needle seat 22: connecting end 30: drive wheel 31: Connection missing slot 40: connecting screw 91: Weft hook 92: Knitting needle 93: swing arm

Figure 1 is the three-dimensional appearance of this creation. Figure 2 is the top view of this creation. Figure 3, Figure 4, and Figure 5 are schematic diagrams of the actions of this creation. Fig. 6 is a schematic diagram of a driving mechanism of a knitting needle in the prior art. Fig. 7 is a schematic diagram of the movement mode of the knitting needles in the prior art.

A: Knitting needle

10: Seat

11: Channel

111: installation slot

12: Urgent parts

20: Carrying rod

21: Knitting needle end

211: Knitting needle seat

22: connecting end

30: drive wheel

31: Connection missing slot

40: connecting screw

Claims (7)

A knitting needle translation mechanism of a webbing machine, which is used to be fixed on a webbing machine, connected to a driving device, and used to connect a knitting needle; the knitting needle translation mechanism of the webbing machine includes A base for being fixed on the loom and containing a channel; the channel extends along a straight line; A carrier rod, which penetrates the channel and can move linearly along the channel; the carrier rod includes opposite A knitting needle end, which is located outside the channel and used to connect the knitting needle; A connecting end, which is located outside the channel; A transmission wheel for connecting to the driving device, and thereby being driven to rotate by the driving device; A connecting screw, one end of which is pivoted on the connecting end of the carrier rod, and the other end is pivoted on the transmission wheel; the connection point of the connecting screw and the transmission wheel is offset from the axis of the transmission wheel; the connection screw and the carrier The pivot at the pivot joint of the rod, the pivot at the pivot joint of the connecting screw and the transmission wheel, and the axis of the transmission wheel are parallel to each other. The needle translation mechanism of a webbing machine as described in claim 1, wherein The drive wheel contains A connection notch, which is concavely formed on the outer peripheral surface of the transmission wheel and extends toward the axis of the transmission wheel; The connecting screw is arranged in the connecting groove, and the connecting position with the transmission wheel can be adjusted along the connecting groove. The knitting needle translation mechanism of a webbing machine according to claim 1 or 2, wherein the seat body further includes An urging member is arranged in the channel and abuts against the carrier rod. According to claim 3, the knitting needle translation mechanism of a loom, wherein the inner wall surface of the passage of the seat body is concavely formed with a mounting groove, and the pressing member is arranged in the mounting groove. The knitting needle translation mechanism of a webbing machine according to claim 3, wherein the pressing member is an arc spring, and the pressing member includes two fixed ends and an arc convex section; the two fixed ends are fixed in the channel, the The arc convex section is connected between the two fixed ends and protrudes toward the carrying rod and abuts against the carrying rod. The knitting needle translation mechanism of the webbing machine according to claim 1 or 2, wherein the two ends of the connecting screw are respectively provided with two universal bearings; the connecting screw is pivoted to the carrier rod and the transmission wheel by the two universal bearings respectively . The knitting needle translation mechanism of a webbing machine according to claim 1 or 2, wherein the length of the connecting screw can be adjusted.

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