Multi-station traction rake jacking mechanism

Abstract

The utility model discloses a multi-station traction rake jacking mechanism, which belongs to the technical field of computerized flat knitting machines and comprises a support. The lower end of the support is provided with a jacking assembly used for jacking a single traction rake, and the upper end of the support is provided with a traction assembly used for pulling braided fabric and a limiting assembly used for limiting opening and closing of the jacking assembly. The bottom of the support is fixedly connected with the inner bottom of the shell, the support, the jacking assembly, the traction assembly and the limiting assembly are all located in the shell, and a plurality of traction grooves are formed in the upper end of the side wall of the shell. By means of the mode, the top block end of the push wheel assembly drives the movable end of the sliding assembly to ascend and descend, local material pulling can be achieved, the top block end of the push wheel assembly is driven by the movable ends of the driving assemblies to slide, and material pulling in a certain direction can be achieved step by step. And respective material pulling in a plurality of areas is achieved, and more complex material pulling actions can be conveniently carried out.

Description

Technical Field

[0001] The utility model relates to the technical field of computerized flat knitting machines, in particular to a multi-station pulling rake lifting mechanism. Background Art

[0002] Computerized flat knitting machines, also known as flat knitting machines, are used for weaving fabrics. During the manufacturing process, a pulling device is required to pull the woven fabric. Currently, rollers or pulling rakes are commonly used for pulling. The pulling rake hooks the woven fabric through a carafe and pulls the fabric down. After completing a pulling action, the pulling hook contracts and resets upward for the next pulling action.

[0003] Chinese patent CN113026191B discloses a pulling mechanism for a flat knitting machine, which drives a rack to rise by a motor, thereby pushing a pulling rake to rise and fall, thereby pulling the knitted fabric.

[0004] However, the above patent is not convenient for pulling a part of the woven fabric, and when it is necessary to pull it step by step from a certain direction, multiple sets of driving devices need to be controlled separately, which is not convenient to use.

[0005] Based on this, the utility model designs a multi-station pulling rake lifting mechanism to solve the above problems. Utility Model Content

[0006] In view of the above-mentioned shortcomings of the prior art, the utility model provides a multi-station pulling rake lifting mechanism.

[0007] In order to achieve the above objectives, the present invention is implemented through the following technical solutions:

[0008] A multi-station pulling rake lifting mechanism comprises a bracket;

[0009] A lifting assembly for lifting a single pulling rake is installed at the lower end of the bracket, and a pulling assembly for pulling the braided fabric and a limit assembly for limiting the opening and closing of the lifting assembly are installed at the upper end of the bracket;

[0010] The bottom of the bracket is fixedly connected to the inner bottom of the shell, the bracket, the lifting assembly, the pulling assembly and the limiting assembly are all located inside the shell, and a plurality of pulling grooves are provided at the upper end of the side wall of the shell;

[0011] The lifting assembly comprises a driving assembly and a pushing wheel assembly; the driving assembly is installed at the lower end of the bracket, and the movable end of the driving assembly is connected to the pushing wheel assembly; the top block end of the pushing wheel assembly is connected to the pulling assembly.

[0012] Furthermore, the driving assembly includes a lifting motor, a synchronous belt assembly, a lifting guide rail, a lifting slider and a lifting pulley; at least one group of lifting motors is fixedly connected to the side wall of the bracket, and the lifting motors are respectively connected to a group of synchronous belt assemblies; the pulleys at one end of the synchronous belt assembly are respectively fixedly connected to the output end of the lifting motor, and the pulleys at the other end of the synchronous belt assembly are respectively rotatably connected to the side wall of the bracket, and the synchronous belt side walls of the synchronous belt assembly are respectively fixedly connected to the side wall of the lifting slider; the lower end of the side wall of the bracket is fixedly connected to the lifting guide rail, and the side walls of the lifting slider are respectively rotatably connected to multiple groups of lifting pulleys, and the lifting pulleys and the lifting guide rails are rollingly connected.

[0013] Furthermore, the lifting slide block is connected to the push wheel assembly.

[0014] Furthermore, there are three groups of lifting motors, two of which are symmetrically installed on the left and right sides of the bracket, and the output end height of the other group of lifting motors is higher than that of the other two groups.

[0015] Furthermore, there are four groups of lifting pulleys connected to each group of the lifting sliders, and the four groups of lifting pulleys are distributed in a rectangular array.

[0016] Furthermore, the push wheel assembly includes a support rod, a push wheel and a slanted bottom top block; the side walls of the lifting slider are respectively fixedly connected with support rods, the top of the support rod is connected with a push wheel, the upper end of the push wheel is in contact and connected with the bottom of the slanted bottom top block; the slanted bottom top block is connected to the pulling assembly.

[0017] Furthermore, the driving wheel is rotatably connected to the top of the support rod.

[0018] Furthermore, the bottom shape of the inclined bottom top block is an isosceles triangle.

[0019] The utility model has the following technical effects:

[0020] 1. The utility model can realize partial material pulling by pushing the inclined bottom top block through the driving wheel, and the lifting slider is driven to slide by the lifting motor, so as to push and lower the inclined bottom top blocks one by one, so as to realize gradual material pulling in a certain direction;

[0021] 2. The utility model can realize separate material pulling in multiple areas by arranging multiple groups of lifting motors and lifting slide blocks, which is convenient for performing more complex material pulling actions. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the prior art descriptions are briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model, and for ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0023] Figure 1 It is a three-dimensional diagram of a multi-station pulling rake lifting mechanism of the utility model;

[0024] Figure 2 It is a three-dimensional diagram of the internal structure of a multi-station pulling rake lifting mechanism of the utility model;

[0025] Figure 3 It is a front view of the internal structure of a multi-station pulling rake lifting mechanism of the utility model;

[0026] Figure 4 for Figure 2 The enlarged view of point A in the middle;

[0027] Figure 5 for Figure 2 Enlarged view of point B in the middle.

[0028] The numbers in the figure represent:

[0029] 1. Bracket; 2. Lifting assembly; 21. Driving assembly; 211. Lifting motor; 212. Synchronous belt assembly; 213. Lifting guide rail; 214. Lifting slider; 215. Lifting pulley; 22. Push wheel assembly; 221. Support rod; 222. Push wheel; 223. Slanted bottom top block; 3. Pulling assembly; 4. Limiting assembly; 5. Housing; 6. Pulling groove. DETAILED DESCRIPTION

[0030] In order to make the purpose, technical solution and advantages of the embodiment of the utility model clearer, the technical solution in the embodiment of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiment of the utility model. Obviously, the described embodiment is a part of the embodiment of the utility model, not all of the embodiments. Based on the embodiment of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0031] The utility model is further described below in conjunction with embodiments.

[0032] The terms “left”, “right”, “front”, “back”, “up” and “down” mentioned in the following description are oriented in the viewing direction of the front view.

[0033] Please refer to the instruction manual Figure 1-5 , a multi-station pulling rake lifting mechanism, comprising a bracket 1;

[0034] The lower end of the bracket 1 is equipped with a lifting assembly 2 for lifting a single pulling rake, and the upper end of the bracket 1 is equipped with a pulling assembly 3 for pulling the woven fabric and a limit assembly 4 for limiting the opening and closing of the lifting assembly 2;

[0035] The bottom of the bracket 1 is fixedly connected to the inner bottom of the shell 5. The bracket 1, the lifting assembly 2, the pulling assembly 3 and the limiting assembly 4 are all located inside the shell 5. The upper end of the side wall of the shell 5 is provided with multiple groups of pulling grooves 6.

[0036] The lifting assembly 2 includes a driving assembly 21 and a pushing wheel assembly 22; the driving assembly 21 is installed at the lower end of the bracket 1, and the movable end of the driving assembly 21 is connected to the pushing wheel assembly 22; the top block end of the pushing wheel assembly 22 is connected to the pulling assembly 3.

[0037] The driving assembly 21 includes a lifting motor 211, a synchronous belt assembly 212, a lifting guide rail 213, a lifting slider 214 and a lifting pulley 215; at least one group of lifting motors 211 are fixedly connected to the side wall of the bracket 1, and the lifting motors 211 are respectively connected to a group of synchronous belt assemblies 212; the pulleys at one end of the synchronous belt assembly 212 are respectively fixedly connected to the output end of the lifting motor 211, and the pulleys at the other end of the synchronous belt assembly 212 are respectively rotatably connected to the side wall of the bracket 1, and the synchronous belt side walls of the synchronous belt assembly 212 are respectively fixedly connected to the side walls of the lifting slider 214; the lower end of the side wall of the bracket 1 is fixedly connected to the lifting guide rail 213, and the side walls of the lifting slider 214 are respectively rotatably connected to multiple groups of lifting pulleys 215, and the lifting pulleys 215 and the lifting guide rail 213 are rollingly connected; the lifting slider 214 is connected to the push wheel assembly 22.

[0038] Preferably, there are three groups of lifting motors 211, two of which are symmetrically installed on the left and right sides of the bracket 1, and the output end height of another group of lifting motors 211 is higher than that of the other two groups.

[0039] Preferably, there are four groups of lifting pulleys 215 connected to each group of the lifting sliders 214, and the four groups of lifting pulleys 215 are distributed in a rectangular array.

[0040] The pushing wheel assembly 22 includes a lifting support rod 221, a pushing wheel 222 and a slanted bottom top block 223; the side walls of the lifting slider 214 are respectively fixedly connected with support rods 221, the top of the support rods 221 is connected with a pushing wheel 222, the upper end of the pushing wheel 222 is in contact and connected with the bottom of the slanted bottom top block 223; the slanted bottom top block 223 is connected to the pulling assembly 3.

[0041] Preferably, the driving wheel 222 is rotatably connected to the top of the support rod 221 .

[0042] Preferably, the bottom shape of the inclined bottom top block 223 is an isosceles triangle.

[0043] When the utility model is working, when it is necessary to gradually pull the fabric in a certain direction, the lifting motor 211 of the driving assembly 21 of the lifting assembly 2 is started, and the lifting motor 211 pushes the lifting slider 214 through the synchronous belt assembly 212, and the lifting slider 214 slides along the lifting guide rail 213 through the lifting pulley 215; during the sliding process, the pushing wheel 222 on the support rod 221 of the pushing wheel assembly 22 is in oblique contact with the bottom of the inclined bottom top block 223, and rolls along the oblique edge to lift the inclined bottom top block 223, driving the pulling assembly 3 to rise and hook the fabric after lifting to the highest point; then the pushing wheel 222 Continue to move and move away from the inclined bottom top block 223, the inclined bottom top block 223 is driven by gravity to fall the pulling component 3, at this time the pushing wheel 222 continues to lift another group of adjacent inclined bottom top blocks 223, and continues to pull the woven fabric; by pushing the inclined bottom top block 223 by the pushing wheel 222, local material pulling can be achieved, and by driving the lifting slider 214 to slide by the lifting motor 211, thereby pushing and lowering the inclined bottom top blocks 223 one by one, gradual material pulling along a certain direction can be achieved, and by setting multiple groups of lifting motors 211 and lifting sliders 214, separate material pulling in multiple areas can be achieved, which is convenient for more complex material pulling actions.

[0044] The above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit it. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that the technical solutions described in the aforementioned embodiments may still be modified, or some of the technical features may be replaced by equivalents. Such modifications or replacements will not cause the essence of the corresponding technical solutions to deviate from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims

1. A multi-station pulling rake lifting mechanism, comprising a bracket (1), characterized in that: A lifting assembly (2) for lifting a single pulling rake is installed at the lower end of the bracket (1), and a pulling assembly (3) for pulling a woven fabric and a limit assembly (4) for limiting the opening and closing of the lifting assembly (2) are installed at the upper end of the bracket (1); The bottom of the bracket (1) is fixedly connected to the inner bottom of the outer shell (5); the bracket (1), the lifting assembly (2), the pulling assembly (3) and the limiting assembly (4) are all located inside the outer shell (5); and a plurality of pulling grooves (6) are provided at the upper end of the side wall of the outer shell (5); The lifting assembly (2) comprises a driving assembly (21) and a pushing wheel assembly (22); the driving assembly (21) is installed at the lower end of the bracket (1), and the movable end of the driving assembly (21) is connected to the pushing wheel assembly (22); the lifting block end of the pushing wheel assembly (22) is connected to the pulling assembly (3).

2. The multi-station pulling rake lifting mechanism according to claim 1 is characterized in that: The driving assembly (21) comprises a lifting motor (211), a synchronous belt assembly (212), a lifting guide rail (213), a lifting slider (214) and a lifting pulley (215); at least one group of lifting motors (211) is fixedly connected to the side wall of the bracket (1), and each of the lifting motors (211) is respectively connected to a group of synchronous belt assemblies (212); the pulleys at one end of the synchronous belt assembly (212) are respectively fixed to the output end of the lifting motor (211). The synchronous belt assembly (212) is connected to the bracket (1), the pulleys at the other end of the synchronous belt assembly (212) are respectively rotatably connected to the side wall of the bracket (1), and the synchronous belt side walls of the synchronous belt assembly (212) are respectively fixedly connected to the side wall of the lifting slider (214); the lower end of the side wall of the bracket (1) is fixedly connected to a lifting guide rail (213), and the side wall of the lifting slider (214) is respectively rotatably connected to multiple groups of lifting pulleys (215), and the lifting pulleys (215) and the lifting guide rails (213) are both rollingly connected.

3. The multi-station pulling rake lifting mechanism according to claim 2 is characterized in that: The lifting slide block (214) is connected to the push wheel assembly (22).

4. The multi-station pulling rake lifting mechanism according to claim 3 is characterized in that: There are three groups of lifting motors (211), two of which are symmetrically installed on the left and right sides of the bracket (1), and the output end height of the other group of lifting motors (211) is higher than that of the other two groups.

5. The multi-station pulling rake lifting mechanism according to claim 4 is characterized in that: There are four groups of lifting pulleys (215) connected to each group of lifting sliders (214), and the four groups of lifting pulleys (215) are distributed in a rectangular array.

6. The multi-station pulling rake lifting mechanism according to claim 5, characterized in that: The push wheel assembly (22) comprises a support rod (221), a push wheel (222) and an inclined bottom top block (223); the side walls of the lifting slider (214) are respectively fixedly connected with the support rod (221), the top of the support rod (221) is connected with the push wheel (222), the upper end of the push wheel (222) is in contact with and connected to the bottom of the inclined bottom top block (223); the inclined bottom top block (223) is connected to the pulling assembly (3).

7. The multi-station pulling rake lifting mechanism according to claim 6, characterized in that: The driving wheel (222) is rotatably connected to the top of the support rod (221).

8. The multi-station pulling rake lifting mechanism according to claim 7, characterized in that: The bottom shape of the inclined bottom top block (223) is an isosceles triangle.

Images