Needle selection mechanism of computer jacquard machine

Abstract

The utility model discloses a needle selection mechanism of a computer jacquard machine, which comprises a limit seat component, the bottom of the limit seat component is connected with a fixing component in a fitting manner, and the outer wall of the fixing component is connected with a needle selector in a tight fitting manner; according to the needle selecting mechanism, the fixing assembly is arranged and used in cooperation with the first pressing hole and the second pressing hole formed in the outer wall of the shell, when the needle selecting device needs to be replaced, the double-motor box and the auxiliary positioning box are operated and used at the same time, two motors are started and controlled to drive two positioning insertion rods to move upwards, and a hydraulic cylinder is started and controlled to be used; the method comprises the following steps of: starting and controlling two motors to drive two positioning insertion rods to move downwards to drive the two positioning insertion rods to move downwards, rotating a rotating plate upwards to take out a needle changing and selecting device, installing a new needle changing and selecting device, rotating the rotating plate downwards to enable the rotating plate to fall on two positioning pins, and simultaneously operating and using a double-motor box and an auxiliary positioning box; and the bottom end of the positioning insertion rod is tightly connected with the outer wall of the rubber pad in the inner wall of the second pressing hole.

Description

Technical Field

[0001] The utility model relates to the field of jacquard machines, and more specifically, to a needle selection mechanism of a computer jacquard machine. Background Art

[0002] As a textile tool, an ordinary loom can only weave plain fabrics, and only a jacquard machine can weave fabrics with complex patterns.

[0003] The following problems exist in the prior art:

[0004] In the prior art, as one of the important structures in the jacquard machine, the needle selector has a certain working life and is also a consumable, which needs to be frequently replaced. The existing needle selector is generally fixed and installed by several bolts. The removal of the old needle selector and the installation of the new needle selector take a long time and have low efficiency, and affect the working efficiency of the jacquard machine. Therefore, it is necessary to design a needle selection mechanism of a computer jacquard machine that is convenient for replacement and use. Summary of the Utility Model

[0005] In view of the problems in the related art, the present utility model provides a needle selection mechanism of a computer jacquard machine to overcome the above technical problems existing in the prior related art.

[0006] Specifically, the technical solution adopted by the present utility model is as follows: A needle selection mechanism of a computer jacquard machine includes a limit seat assembly. The bottom of the limit seat assembly is in fitting connection with a fixing assembly, and the outer wall of the fixing assembly is in close fitting connection with a needle selector.

[0007] The fixing assembly includes a rotating plate. The outer wall of the rotating plate is fixedly connected with a double motor box. Two positioning insertion rods are meshed and connected to the inner wall of the double motor box. The outer wall of the rotating plate is fixedly connected with a secondary positioning box.

[0008] Preferably, two motors are arranged on the inner wall of the double motor box. The output shaft of the motor is fixedly connected with a gear through a coupling. The outer wall of the positioning insertion rod is provided with teeth, and the outer wall of the gear is meshed and connected with the outer wall of the teeth.

[0009] Preferably, the secondary positioning box includes an outer box. A hydraulic cylinder is arranged on the inner wall of the outer box, and one end of the hydraulic cylinder is fixedly connected with a hexagonal abutting rod.

[0010] Preferably, a central hole is opened in the inner wall of one end of the rotating plate, and an arc-shaped groove is opened on the outer wall of the top of the rotating plate.

[0011] Preferably, the selector includes a housing and an internal needle frame mechanism. A first pressing hole is formed in the outer wall of the housing. The first pressing hole is a hexagonal pressing hole. A second pressing hole is formed in the outer wall of the housing. The second pressing hole is a circular second pressing hole. Rubber pads are arranged on the inner walls of the first pressing hole and the second pressing hole.

[0012] Preferably, the bottom end of the hexagonal abutting rod is tightly connected to the rubber pad in the inner wall of the first pressing hole, and the bottom end of the positioning insertion rod is tightly connected to the rubber pad in the inner wall of the second pressing hole; through the setting of the fixing component and in cooperation with the first pressing hole and the second pressing hole formed in the outer wall of the housing, when the selector needs to be replaced, the double motor box and the secondary positioning box are operated simultaneously: start and control two motors to drive the two positioning insertion rods to move upward. At the same time, start and control the hydraulic cylinder to make the hexagonal abutting rod away from the first pressing hole and rotate the rotating plate upward to take out the selector and install a new selector. Then rotate the rotating plate downward. After the rotating plate falls on the two positioning pins, operate the double motor box and the secondary positioning box simultaneously: start and control two motors to drive the two positioning insertion rods to move downward so that the bottom end of the positioning insertion rod is tightly connected to the outer wall of the rubber pad in the inner wall of the second pressing hole. At the same time, start and control the hydraulic cylinder to make one end of the hexagonal abutting rod tightly connected to the outer wall of the rubber pad in the inner wall of the first pressing hole, and the replacement of the selector can be completed, improving the use effect of the device and providing convenience for the user.

[0013] Preferably, the number of the limit seat components is two, and each limit seat component includes a limit disc. A limit piece is fixedly connected to the bottom of the limit disc. The outer wall of the limit piece is in fit connection with the inner wall of the arc-shaped groove. Two positioning pins are inserted into the inner wall of the limit disc. A central shaft is fixedly connected to the middle of the bottom center of the limit disc. The outer wall of the central shaft is in fit connection with the inner wall of the central hole; through the setting of the limit seat component, during use, the installation direction of the limit seat component is that the two positioning pins are at the lower end, which can realize a good fit connection between the central shaft and the rotating plate. During use, a good limit connection effect can be achieved between the limit piece and the arc-shaped groove. The setting of the two positioning pins can realize the limit effect on the landing position of the rotating plate, improving the use effect of the device and providing convenience for the user.

[0014] The beneficial effects of the present utility model are as follows: 1. For the needle selection mechanism of the computer jacquard machine, through the setting of the fixing component and its cooperation with the first pressing hole and the second pressing hole opened on the outer wall of the housing, when the needle selector needs to be replaced, the double motor box and the auxiliary positioning box are operated simultaneously: start and control two motors to drive two positioning rods to move upward. At the same time, start and control the hydraulic cylinder to make the hexagonal abutting rod away from the first pressing hole and rotate the rotating plate upward to take out the needle selector and install a new one. Then rotate the rotating plate downward. After the rotating plate falls on the two positioning pins, operate the double motor box and the auxiliary positioning box simultaneously: start and control two motors to drive two positioning rods to move downward, so that the bottom ends of the positioning rods are tightly connected to the outer wall of the rubber pad in the inner wall of the second pressing hole. At the same time, start and control the hydraulic cylinder to make one end of the hexagonal abutting rod tightly connected to the outer wall of the rubber pad in the inner wall of the first pressing hole, and the replacement of the needle selector can be completed, improving the use effect of the device and providing convenience for users.

[0015] 2. For the needle selection mechanism of the computer jacquard machine, through the setting of the limit seat component, during use, the installation direction of the limit seat component is that the two positioning pins are at the lower end, which can achieve a better fit and connection between the central axis and the rotating plate. During use, a better limit connection effect can be achieved between the limit piece and the arc-shaped groove. The setting of the two positioning pins can achieve a limiting effect on the landing position of the rotating plate, improving the use effect of the device and providing convenience for users. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the technical solutions in the embodiments of the present utility model or the prior art, the following will briefly introduce the drawings required for use in the embodiments. Obviously, the following described drawings are only some embodiments of the present utility model. For those of ordinary skill in the art, without creative efforts, other drawings can be obtained based on these drawings.

[0017] Figure 1 It is the front view of the present utility model;

[0018] Figure 2 It is the structural schematic diagram of the fixing component of the present utility model;

[0019] Figure 3 It is the structural schematic diagram of the limit seat component of the present utility model;

[0020] Figure 4 It is the external structural schematic diagram of the needle selector of the present utility model.

[0021] In the figure: 1. Needle selector; 101. Outer shell; 102. First pressing hole; 103. Second pressing hole; 2. Fixing component; 201. Rotating plate; 202. Positioning insertion rod; 203. Double motor box; 204. Sub-positioning box; 3. Limit seat component; 301. Limit disk; 302. Central shaft; 303. Limit piece; 304. Positioning pin. Detailed implementation manners

[0022] To further illustrate each embodiment, the present utility model provides attached drawings, which are part of the disclosure content of the present utility model. They are mainly used to illustrate the embodiments and can cooperate with the relevant descriptions in the specification to explain the operation principle of the embodiments. With reference to these contents, those of ordinary skill in the art should be able to understand other possible implementation manners and the advantages of the present utility model. The components in the figures are not drawn to scale, and similar component symbols are usually used to represent similar components.

[0023] According to an embodiment of the present utility model, a needle selection mechanism for a computer jacquard machine is provided.

[0024] Embodiment 1;

[0025] As Figures 1 - 4 shown, the needle selection mechanism of the computer jacquard machine according to an embodiment of the present utility model includes a limit seat component 3. The bottom of the limit seat component 3 is closely attached and connected to a fixing component 2, and the outer wall of the fixing component 2 is closely attached and connected to a needle selector 1;

[0026] The fixing component 2 includes a rotating plate 201. The outer wall of the rotating plate 201 is fixedly connected to a double motor box 203. Two positioning insertion rods 202 are meshed and connected to the inner wall of the double motor box 203. The outer wall of the rotating plate 201 is fixedly connected to a sub-positioning box 204;

[0027] Two motors are arranged on the inner wall of the double motor box 203. The output shaft of the motor is fixedly connected to a gear through a coupling. Teeth are arranged on the outer wall of the positioning insertion rod 202, and the outer wall of the gear is meshed and connected to the outer wall of the teeth;

[0028] The sub-positioning box 204 includes an outer box. A hydraulic cylinder is arranged on the inner wall of the outer box, and one end of the hydraulic cylinder is fixedly connected to a hexagonal abutting rod;

[0029] A central hole is opened in the inner wall of one end of the rotating plate 201, and an arc-shaped groove is opened on the outer wall of the top of the rotating plate 201;

[0030] The needle selector 1 includes an outer shell 101 and an internal needle frame mechanism. A first pressing hole 102 is opened on the outer wall of the outer shell 101. The first pressing hole 102 is a hexagonal pressing hole. A second pressing hole 103 is opened on the outer wall of the outer shell 101. The second pressing hole 103 is a circular second pressing hole. Rubber pads are arranged on the inner walls of the first pressing hole 102 and the second pressing hole 103;

[0031] The bottom end of the hexagonal abutting rod is tightly connected to the rubber pad on the inner wall of the first pressing hole 102, and the bottom end of the positioning insertion rod 202 is tightly connected to the rubber pad on the inner wall of the second pressing hole 103.

[0032] In this embodiment, through the setting of the fixing component 2 and its cooperation with the first pressing hole 102 and the second pressing hole 103 opened on the outer wall of the housing 101, when the selector 1 needs to be replaced, the double motor box 203 and the secondary positioning box 204 are operated simultaneously: start and control two motors to drive the two positioning insertion rods 202 to move upward. At the same time, start and control the hydraulic cylinder to make the hexagonal abutting rod move away from the first pressing hole 102 and rotate the rotating plate 201 upward to take out the selector 1 and install a new selector 1. Then rotate the rotating plate 201 downward. After the rotating plate 201 lands on the two positioning pins 304, operate the double motor box 203 and the secondary positioning box 204 simultaneously: start and control two motors to drive the two positioning insertion rods 202 to move downward, so that the bottom end of the positioning insertion rod 202 is tightly connected to the outer wall of the rubber pad in the inner wall of the second pressing hole 103. At the same time, start and control the hydraulic cylinder to make one end of the hexagonal abutting rod tightly connected to the outer wall of the rubber pad in the inner wall of the first pressing hole 102, and the replacement of the selector 1 can be completed, improving the use effect of the device and providing convenience for users.

[0033] Embodiment Two;

[0034] On the basis of Embodiment One, a preferred embodiment of the selector mechanism of the computer jacquard machine provided by the present utility model is as Figures 1 - 4 shown: The number of the limit seat components 3 is two, and the limit seat component 3 includes a limit disk 301. The bottom of the limit disk 301 is fixedly connected with a limit piece 303. The outer wall of the limit piece 303 is in fit connection with the inner wall of the arc-shaped groove. Two positioning pins 304 are inserted into the inner wall of the limit disk 301. The middle of the bottom center of the limit disk 301 is fixedly connected with a central shaft 302. The outer wall of the central shaft 302 is in fit connection with the inner wall of the central hole.

[0035] In this embodiment, through the setting of the limit seat component 3, during use, the installation direction of the limit seat component 3 is that the two positioning pins 304 are at the lower end, which can achieve a better fit connection between the central shaft 302 and the rotating plate 201. During use, a better limit connection effect can be achieved between the limit piece 303 and the arc-shaped groove. The setting of the two positioning pins 304 can achieve a limiting effect on the landing position of the rotating plate 201, improving the use effect of the device and providing convenience for users.

[0036] To facilitate the understanding of the above technical solutions of the present utility model, the working principle or operation method of the present utility model in the actual process will be described in detail below.

[0037] In practical applications, first, the selector 1 fixedly installed on both sides of the installation position in the jacquard machine is installed in the limit seat assembly 3. The installation direction of the limit seat assembly 3 is that the two positioning pins 304 are at the lower end. When the selector 1 needs to be replaced, the double motor box 203 and the secondary positioning box 204 are operated simultaneously: start and control two motors to drive the two positioning rods 202 to move upward. At the same time, start and control the hydraulic cylinder to make the hexagonal abutting rod away from the first pressing hole 102 and rotate the rotating plate 201 upward to take out the replacement selector 1 and install a new replacement selector 1. Rotate the rotating plate 201 downward. After the rotating plate 201 falls on the two positioning pins 304, the double motor box 203 and the secondary positioning box 204 are operated simultaneously: start and control two motors to drive the two positioning rods 202 to move downward, so that the bottom end of the positioning rod 202 is tightly connected to the outer wall of the rubber pad in the inner wall of the second pressing hole 103. At the same time, start and control the hydraulic cylinder to make one end of the hexagonal abutting rod tightly connected to the outer wall of the rubber pad in the inner wall of the first pressing hole 102, and then the replacement of the selector 1 can be completed.

[0038] In summary, by means of the above technical solution of the present invention, for the needle selection mechanism of the computer jacquard machine, through the setting of the fixing component 2 and its cooperation with the first pressing hole 102 and the second pressing hole 103 opened on the outer wall of the housing 101, when the selector 1 needs to be replaced, the double motor box 203 and the secondary positioning box 204 are operated simultaneously: start and control two motors to drive the two positioning rods 202 to move upward. At the same time, start and control the hydraulic cylinder to make the hexagonal abutting rod away from the first pressing hole 102 and rotate the rotating plate 201 upward to take out the replacement selector 1 and install a new replacement selector 1. Rotate the rotating plate 201 downward. After the rotating plate 201 falls on the two positioning pins 304, the double motor box 203 and the secondary positioning box 204 are operated simultaneously: start and control two motors to drive the two positioning rods 202 to move downward, so that the bottom end of the positioning rod 202 is tightly connected to the outer wall of the rubber pad in the inner wall of the second pressing hole 103. At the same time, start and control the hydraulic cylinder to make one end of the hexagonal abutting rod tightly connected to the outer wall of the rubber pad in the inner wall of the first pressing hole 102, and then the replacement of the selector 1 can be completed, which improves the use effect of the device and provides convenience for users; through the setting of the limit seat assembly 3, during use, the installation direction of the limit seat assembly 3 is that the two positioning pins 304 are at the lower end, which can achieve a better fit connection between the central shaft 302 and the rotating plate 201. During use, a better limit connection effect can be achieved between the limit piece 303 and the arc-shaped groove. The setting of the two positioning pins 304 can achieve a limiting effect on the landing position of the rotating plate 201, which improves the use effect of the device and provides convenience for users.

[0039] The above are only the preferred embodiments of the present utility model and are not intended to limit the present utility model. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present utility model shall be included within the protection scope of the present utility model.

Claims

1. A needle selection mechanism of a computer jacquard machine, comprising a limit seat assembly (3), characterized in that: The bottom of the limiting seat assembly (3) is closely connected to the fixing assembly (2), and the outer wall of the fixing assembly (2) is closely connected to the needle selector (1); The fixing assembly (2) comprises a rotating plate (201), the outer wall of the rotating plate (201) is fixedly connected to a dual-motor box (203), the inner wall of the dual-motor box (203) is meshedly connected to two positioning rods (202), and the outer wall of the rotating plate (201) is fixedly connected to a secondary positioning box (204).

2. The needle selection mechanism of a computer jacquard machine according to claim 1, characterized in that: The inner wall of the dual-motor box (203) is provided with two motors, the output shafts of the motors are fixedly connected to gears via couplings, the outer wall of the positioning rod (202) is provided with teeth, and the outer wall of the gear is meshingly connected with the outer wall of the teeth.

3. The needle selection mechanism of a computer jacquard machine according to claim 1, characterized in that: The auxiliary positioning box (204) comprises an outer box, the inner wall of which is provided with a hydraulic cylinder, one end of which is fixedly connected to a hexagonal abutment rod.

4. The needle selection mechanism of a computer jacquard machine according to claim 1, characterized in that: A central hole is provided on the inner wall of one end of the rotating plate (201), and an arc-shaped groove is provided on the outer wall of the top of the rotating plate (201).

5. The needle selection mechanism of a computer jacquard machine according to claim 3, characterized in that: The needle selector (1) comprises an outer shell (101) and an internal needle holder mechanism, the outer wall of the outer shell (101) is provided with a first pressure hole (102), the first pressure hole (102) is a hexagonal pressure hole, the outer wall of the outer shell (101) is provided with a second pressure hole (103), the second pressure hole (103) is a circular second pressure hole, and the inner walls of the first pressure hole (102) and the second pressure hole (103) are both provided with rubber pads.

6. The needle selection mechanism of a computer jacquard machine according to claim 5, characterized in that: The bottom end of the hexagonal abutment rod is tightly connected to the rubber pad in the inner wall of the first pressure hole (102), and the bottom end of the positioning insertion rod (202) is tightly connected to the rubber pad in the inner wall of the second pressure hole (103).

7. The needle selection mechanism of a computer jacquard machine according to claim 4, characterized in that: The number of the limit seat assemblies (3) is two, and the limit seat assemblies (3) include a limit plate (301), the bottom of the limit plate (301) is fixedly connected to a limit plate (303), the outer wall of the limit plate (303) is fitted and connected to the inner wall of the arc groove, the inner wall of the limit plate (301) is plugged with two positioning pins (304), the center of the bottom circle of the limit plate (301) is fixedly connected to a central axis (302), and the outer wall of the central axis (302) is fitted and connected to the inner wall of the central hole.

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