Piezoelectric jacquard device for warp knitting machine

Abstract

The utility model relates to a piezoelectric jacquard device for a warp knitting machine, which comprises a novel base, a novel needle selection sheet, a plug assembly, a shield assembly, a cable bundle assembly, a pouring sealant, a grounding screw and a rotating shaft, the yarn guide needle assembly comprises an elastic clamping piece, a reinforcing iron piece, a yarn guide needle clamping piece and a novel yarn guide needle, and is characterized in that one end of a novel bimorph is elastically and flexibly connected with the yarn guide needle assembly through elastic glue to form a novel needle selection piece, and the other end of the novel bimorph is fixedly installed in a rear tooth of a novel base; when the novel bimorph swings leftwards in a power-on state, the elastic clamping piece connected with the elastic rubber is driven to move leftwards, then the yarn guide needle assembly is driven to rotate around the rotating shaft, and the front end of the novel yarn guide needle moves rightwards between the front teeth of the novel base. When the novel bimorph swings rightwards in a power-on state, the elastic clamping piece connected with the elastic rubber is driven to move rightwards, then the yarn guide needle assembly is driven to rotate around the rotating shaft, and then the front end of the novel yarn guide needle moves leftwards between the front teeth of the novel base. A rotating shaft rotating hole in the yarn guide needle assembly is a rectangular hole. The rotating shaft is assembled in the rotating shaft through hole of the novel base in an over-hard fit mode.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the field of textile machinery, especially relate to a piezoelectric jacquard device for warp knitting machine. BACKGROUND

[0002] In the warp knitting machine textile industry, at present, the common practice of computer jacquard machine is to use computer-controlled piezoelectric jacquard device for knitting, with the pattern becoming more and more complex, the number of jacquard used by warp knitting machine is also increasing.

[0003] With the progress of technology, the piezoelectric jacquard device of warp knitting machine begins to gradually develop towards the direction of roving, coarse machine number warp knitting machine. The patentee puts forward a piezoelectric jacquard device for warp knitting machine in patent document 1, which can realize the piezoelectric jacquard function of 10 needles, 9 needles, 8 needles, 7 needles, 6 needles and other coarse machine number warp knitting machines. Figure 1 、 Figure 2 However, due to the installation of a large number of components at the front end of the guide needle, the installation sector angle of the piezoelectric jacquard device is increased, which leads to the increase of the machine movement structure stroke and the reduction of the running speed.

[0004] Patent document 1: 202422658280.7. SUMMARY

[0005] The utility model aims at overcoming the defects of the above background technology, and proposes a piezoelectric jacquard device for warp knitting machine, which changes the structure of the existing base, changes the structure design of the double piezoelectric wafer, changes the structure design of the guide needle, realizes the piezoelectric jacquard function of 10 needles, 9 needles, 8 needles, 7 needles, 6 needles and other coarse machine number warp knitting machines, and can also reduce the installation sector angle of the piezoelectric jacquard device, thereby improving the machine speed.

[0006] A piezoelectric jacquard device for warp knitting machine, comprising a new base, a new needle selection piece, a plug assembly, a shroud assembly, a cable bundle assembly, a potting glue, a grounding screw and a rotating shaft, wherein the new needle selection piece comprises a new double wafer, an elastic glue and a guide needle assembly, wherein the guide needle assembly comprises an elastic clamping piece, a reinforcing iron sheet and a guide needle clamping piece, and the guide needle assembly comprises a new guide needle, characterized in that: the new double wafer is connected to the guide needle assembly at one end by the elastic glue to form a new needle selection piece, and the other end of the new double wafer is fixedly installed in the rear tooth of the new base; when the new double wafer swings to the left under the energized state, the elastic clamping piece connected by the elastic glue moves to the left, thereby driving the guide needle assembly to rotate around the rotating shaft, and then causing the front end of the new guide needle to move to the right between the front teeth of the new base; when the new double wafer swings to the right under the energized state, the elastic clamping piece connected by the elastic glue moves to the right, thereby driving the guide needle assembly to rotate around the rotating shaft, and then causing the front end of the new guide needle to move to the left between the front teeth of the new base.

[0007] The present invention relates to a piezoelectric jacquard device for a warp knitting machine, wherein the rotating hole of the spindle in the yarn guide needle assembly is a rectangular hole.

[0008] This utility model discloses a piezoelectric jacquard device for a warp knitting machine, wherein the rotating shaft is rigidly fitted into the rotating shaft through hole of the novel base.

[0009] This utility model proposes a piezoelectric jacquard device for warp knitting machines. By changing the structure of the existing base, the structure design of the double crystal, and the structure design of the guide needle, the piezoelectric jacquard function of warp knitting machines with coarse gauges such as 10-needle, 9-needle, 8-needle, 7-needle, and 6-needle can be realized. At the same time, the installation fan-shaped angle of the piezoelectric jacquard device can be reduced, thereby increasing the machine speed. Attached Figure Description

[0010] Figure 1 Schematic diagram of an existing coarse-pitch piezoelectric Jacquard device

[0011] Figure 2 Existing base structural diagram

[0012] Figure 3 Schematic diagram of the piezoelectric jacquard device of this utility model

[0013] Figure 4 A schematic diagram of the piezoelectric jacquard device of this utility model from a front view.

[0014] Figure 5 Figure 4 Enlarged view of part A in the image

[0015] Figure 6 Schematic diagram of the new base structure

[0016] Figure 7 Schematic diagram of the new needle selection plate structure

[0017] Figure 8 Cross-sectional view of the new yarn guide needle assembly

[0018] Figure 9 Schematic diagram of the movement of the new needle selection plate around the rotating axis

[0019] In the above diagram: 1. Existing base; 2. Cable harness assembly; 3. Encapsulating adhesive; 4. Existing yarn guide pin; 5. Protective cover assembly; 6. Plug assembly; 7. Existing dual-chip; 8. Upper limit pressure plate; 9. Pressure plate fixing screw; 10. New base; 11. New needle selection plate; 12. Grounding screw; 13. Rotating shaft; 14. Rear tooth; 15. Front tooth; 16. Rotating shaft through hole; 17. New dual-chip; 18. Elastic adhesive; 19. Yarn guide pin assembly; 20. Elastic clamping plate; 21. Reinforcing iron plate; 22. Yarn guide pin clamping plate; 23. Yarn guide pin; 24. Rotating shaft rotation hole. Detailed Implementation

[0020] The technical solution of this utility model will be further described in detail below through embodiments and in conjunction with the accompanying drawings.

[0021] A piezoelectric jacquard device for a warp knitting machine includes a novel base 10, a novel needle selector 11, a plug assembly 6, a protective cover assembly 5, a cable bundle assembly 2, potting compound 3, a grounding screw 12, and a rotating shaft 13. The novel needle selector 11 comprises a novel bicrystalline wafer 17, elastic adhesive 18, and a yarn guide needle assembly 19. The yarn guide needle assembly 19 comprises an elastic clamping piece 20, a reinforcing iron piece 21, a yarn guide needle clamping piece 22, and a novel yarn guide needle 23. The device is characterized in that one end of the novel bicrystalline wafer 17 is connected to the yarn guide needle assembly 19 using elastic adhesive 18 to form the novel needle selector 19, and the other end of the novel bicrystalline wafer 17 is fixedly installed. In the rear teeth 14 of the new base 10; when the new dual crystal 17 swings to the left in the energized state, it drives the elastic clamping piece 20 connected to the elastic adhesive 18 to move to the left, thereby driving the yarn guide needle assembly 19 to rotate around the rotation axis 13, thereby causing the front end of the new yarn guide needle 23 to move to the right between the front teeth 15 of the new base 10; when the new dual crystal 17 swings to the right in the energized state, it drives the elastic clamping piece 20 connected to the elastic adhesive 18 to move to the right, thereby driving the yarn guide needle assembly 19 to rotate around the rotation axis 13, thereby causing the front end of the new yarn guide needle 23 to move to the left between the front teeth 15 of the new base 10.

[0022] The present invention relates to a piezoelectric jacquard device for a warp knitting machine, wherein the rotating hole 24 of the guide needle assembly 19 is a rectangular hole.

[0023] The present invention relates to a piezoelectric jacquard device for a warp knitting machine, wherein the rotating shaft 13 is rigidly fitted into the rotating shaft through hole 16 of the novel base 10.

[0024] This utility model proposes a piezoelectric jacquard device for warp knitting machines. By changing the structure of the existing base, the structure design of the double crystal, and the structure design of the guide needle, the piezoelectric jacquard function of warp knitting machines with coarse gauges such as 10-needle, 9-needle, 8-needle, 7-needle, and 6-needle can be realized. At the same time, the installation fan-shaped angle of the piezoelectric jacquard device can be reduced, thereby increasing the machine speed.

Claims

1. A piezoelectric jacquard device for warp knitting machine, comprising a new base (10), a new needle selection piece (11), a plug assembly (6), a shroud assembly (5), a cable harness assembly (2), a potting glue (3), a grounding screw (12), a rotating shaft (13), wherein the new needle selection piece (11) comprises a new double wafer (17), an elastic glue (18), a guide needle assembly (19), wherein the guide needle assembly (19) is composed of an elastic clamping piece (20), a reinforcing iron sheet (21), a guide needle clamping piece (22), a new guide needle (23), characterized in that: The elastic glue (18) is used to realize the elastic soft connection between the new type of double crystal piece (17) and the yarn guide needle assembly (19) to form a new type of needle selection piece (19), and the other end of the new type of double crystal piece (17) is fixedly installed in the rear tooth (14) of the new type of base (10); when the new type of double crystal piece (17) swings to the left in the energized state, the elastic clamp piece (20) connected with the elastic glue (18) moves to the left, thereby driving the yarn guide needle assembly (19) to rotate around the rotating shaft (13), and thereby causing the front end part of the new type of yarn guide needle (23) to move to the right between the front teeth (15) of the new type of base (10); when the new type of double crystal piece (17) swings to the right in the energized state, the elastic clamp piece (20) connected with the elastic glue (18) moves to the right, thereby driving the yarn guide needle assembly (19) to rotate around the rotating shaft (13), and thereby causing the front end part of the new type of yarn guide needle (23) to move to the left between the front teeth (15) of the new type of base (10).

2. A piezoelectric jacquard device for a warp knitting machine according to claim 1, characterized in that: The rotating shaft rotating hole (24) in the yarn guide needle assembly (19) is a rectangular hole.

3. A piezoelectric jacquard device for a warp knitting machine according to claim 1, characterized in that: The rotating shaft (13) is assembled in the rotating shaft through hole (16) of the new type of base (10) in a hard fit.

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