Transmission device for modified cradle
By designing and modifying the transmission device for cradles in the ring spinning machine, using the friction wheel group to connect the active and driven leather rollers to adjust the friction force, the problem of poor friction wheel setting of the transmission device is solved, and low-cost modification and Efficient transmission simplifies maintenance and improves yarn quality.
Patent Information
- Application Number
- CN202420286180.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-02-07
- Publication Date
- 2024-12-17
- Estimated Expiration
- 2034-02-07
AI Technical Summary
When the existing ring spinning yarn machine is transformed into tight spinning, the friction wheel setting of the transmission device is poor, which affects the normal rotation of the roller and pressurized leather roller, resulting in poor yarn quality, high modification cost and difficult maintenance.
A modified cradle transmission device is designed, including an active leather roller and a driven leather roller, which is connected by a friction wheel group. The active leather roller is driven by the original roller, which drives the driven leather roller and the new roller to rotate. The friction wheel group is adjusted Nuts and springs adjust friction, and use a dual bearing design to reduce costs and increase strength.
The low-cost modification of ordinary ring spinning yarn machine is achieved to tightly spinning, which improves the transmission effect of the friction wheel, reduces the modification cost, and facilitates maintenance and improves the quality of the yarn.
Smart Images
Figure CN222182612U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of textiles, in particular to a transmission device for refitting a cradle. Background Art
[0002] Compact spinning is also called real dense spinning, compression spinning, condensation spinning, etc. It is modified from the ring spinning frame. Its core technology is to install a gathering device at the output end of the front roller, so that the slivers are gathered before being output for twisting, realizing the separation of drafting and gathering, avoiding the influence of friction force distribution due to the existence of gathering in the drafting area, and the width of the drafted slivers is reduced after gathering, so that the twisting triangle area is reduced or even eliminated, thereby eliminating the adverse effects caused by the existence of the twisting triangle area and improving the yarn quality.
[0003] It is necessary to improve the three rollers of the ring spinning machine, add a hairiness gathering device composed of a negative pressure tube, rollers, pressure rollers, grid rings, etc., and ensure that the newly added rollers and their corresponding pressure rollers can rotate normally. One solution is to drive an active roller to rotate through the original front roller, and the active roller drives the driven roller to rotate through the friction wheel, and the driven roller drives the new roller to rotate. Among them, the setting of the friction wheel is particularly important, and in view of this, this utility model is proposed. Summary of the invention
[0004] The utility model provides a transmission device for modifying a cradle, so as to reduce the modification of the original structure of an ordinary ring spinning frame, realize the modification of the ordinary ring spinning frame to compact spinning at a low cost, and achieve a good friction wheel transmission effect.
[0005] The utility model provides a transmission device for a modified cradle, comprising an active leather roller and a driven leather roller, wherein the active leather roller and the driven leather roller are arranged in a staggered manner; the active leather roller is installed in a leather roller installation groove at the front end of a pressure rod in front of the cradle, and cooperates with the original roller; a leather roller connecting frame is installed on the leather roller core shaft of the active leather roller, and a pressure-bearing surface in contact with the front end of the pressure rod in front of the cradle is provided on the leather roller connecting frame, and a driven leather roller is also provided on the leather roller connecting frame, and the driven leather roller cooperates with the new roller; a friction wheel group is also provided on the leather roller connecting frame, and the active leather roller and the driven leather roller are connected through the friction wheel group; the friction wheel group comprises two left and right friction wheels, and the left and right friction wheels are rotatably installed on a connecting bridge; a spring sheet is installed on the leather roller connecting frame through an adjusting nut, and one end of the spring sheet cooperates with the leather roller connecting frame, and the other end is pressed on the connecting bridge.
[0006] Furthermore, a limiting groove is provided on the spring sheet, and the limiting groove cooperates with the connecting bridge.
[0007] Furthermore, the friction wheel group includes a connecting bridge, and inner cover plates are arranged at both ends of the connecting bridge. The inner cover plate is circular, and its size corresponds to the size of the friction wheel; a rotating shaft is arranged on the outer axis of the inner cover plate, and the friction wheel is installed on the axis through a bearing; the friction wheel is cylindrical, and the outer part is designed in a stepped shape, and areas of different diameters are respectively matched with the active leather roller and the driven leather roller; a dividing strip is arranged in the middle of the friction wheel, and two bearings are arranged on both sides of the dividing strip; the inner cover plate mounting groove and the end cover mounting groove are respectively arranged at corresponding positions on the outer sides of the two bearings on the friction wheel; an anti-slip clamping plate is arranged on the end cover mounting groove, and anti-slip protrusions are arranged at corresponding positions of the end cover.
[0008] Furthermore, the leather roller connecting frame is provided with an active leather roller mounting groove and a driven leather roller mounting groove, and the active leather roller and the driven leather roller are mounted respectively.
[0009] Furthermore, a limiting surface is arranged on the leather roller connecting frame, and the limiting surface cooperates with the bottom surface of the front pressure rod of the cradle.
[0010] Furthermore, a pad is installed on the pressure-bearing surface, and the height of the pad can be adjusted.
[0011] The utility model provides a transmission device for a modified cradle, wherein the active leather roller and the driven leather roller are installed at the leather roller installation groove of the leather roller connecting frame. The friction force between the friction wheel and the active leather roller and the driven leather roller can be adjusted by adjusting the bolt. When the original roller drives the active leather roller to rotate, the friction wheel is driven to rotate, the friction wheel drives the driven leather roller to rotate, and the driven leather roller drives the new roller to rotate, and the friction wheel has a good transmission effect; each friction wheel uses two standard bearings, which not only reduces the modification cost, but also improves the overall strength and balance of the friction wheel, so as to facilitate better transmission; the utility model provides a transmission device for a modified cradle, which makes the cost of converting an ordinary ring spinning machine into a compact spinning machine lower, and the structure design is ingenious and easy to maintain. The utility model has a positive effect in actual production and has promotion significance. BRIEF DESCRIPTION OF THE DRAWINGS
[0012] Figure 1 It is a schematic diagram of the structure of the utility model when in use;
[0013] Figure 2 It is a structural schematic diagram of the utility model;
[0014] Figure 3 It is a top view of the utility model;
[0015] Figure 4 It is a structural schematic diagram of the friction wheel set of the utility model;
[0016] Figure 5 It is a structural schematic diagram of the utility model connecting bridge;
[0017] Figure 6 It is a structural schematic diagram of the outer end of the friction wheel of the utility model;
[0018] Figure 7 It is a structural schematic diagram of the inner end of the friction wheel of the utility model;
[0019] Figure 8 It is a structural schematic diagram of the end cover of the utility model. DETAILED DESCRIPTION
[0020] The following will be combined with the drawings in the embodiments to clearly and completely describe the technical solutions in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of this application.
[0021] like Figure 1-8 As shown, a transmission device for a modified cradle includes an active leather roller 1 and a driven leather roller 2. The shaft core length of the active leather roller is greater than that of the driven leather roller, so that the inner end faces of the active leather roller and the driven leather roller are staggered; the active leather roller is installed in the leather roller installation groove at the front end of the front pressure rod of the cradle, and cooperates with the original roller 3. When the original roller rotates, it will drive the active leather roller to rotate;
[0022] A roller connecting frame 4 is installed on the roller core shaft of the active roller, and an active roller mounting groove and a driven roller mounting groove are provided on the roller connecting frame, which are used to install the active roller and the driven roller respectively; a limiting surface 5 is provided on the roller connecting frame, and the limiting surface cooperates with the bottom surface of the front pressure rod of the cradle to prevent the modified part from rotating too much when the cradle is lifted; a pressure-bearing surface 6 in contact with the front end of the front pressure rod of the cradle is also provided on the roller connecting frame, and the driven roller cooperates with the new roller under the pressure of the front end of the front pressure rod of the cradle, and when the driven roller rotates, it will drive the new roller 11 to rotate; a pad is provided on the pressure-bearing surface, and the pressure of the cradle is adjusted by adjusting the height of the pad;
[0023] A friction wheel group is also arranged on the leather roller connecting frame, and the friction wheel group includes a connecting bridge 8, and inner cover plates 9 are arranged at both ends of the connecting bridge. The inner cover plates are circular, and their sizes correspond to the sizes of the friction wheels; a rotating shaft 10 is arranged on the outer axis of the inner cover plate, and a fixed slot is arranged at the end of the rotating shaft. The friction wheel group includes two left and right friction wheels 7, which are installed on the axis through bearings; the friction wheel is cylindrical, and the outer part is designed in a stepped shape, and areas of different diameters are respectively matched with the active leather roller and the driven leather roller; different diameter ratios are used to adjust the speed ratio of the new roller and the original roller; a spring sheet 18 is installed on the leather roller connecting frame through an adjusting nut 19, one end of the spring sheet is matched with the leather roller connecting frame, and the other end is pressed on the connecting bridge, and a limit groove is arranged on the spring sheet, and the limit groove is matched with the connecting bridge.
[0024] A dividing strip 12 is arranged in the middle of the friction wheel, and two bearings are installed on both sides of the dividing strip respectively; inner cover plate mounting grooves 13 and end cover mounting grooves 14 are arranged at corresponding positions on the outer sides of the two bearings on the friction wheel respectively; an anti-slipping clamping plate 15 is arranged on the end cover mounting groove, and an anti-slipping protrusion 17 is arranged at the corresponding position of the end cover 16; the arrangement of the inner cover plate and the end cover can prevent flying flowers from entering the friction wheel and winding around the bearings, thereby reducing maintenance costs; first, two bearings are installed on both sides of the dividing strip respectively, and the friction wheel with the bearings installed is installed on the rotating shaft, and the bearing buckle is used to cooperate with the fixing slot to fix it, the inner cover plate is matched with the inner cover plate mounting groove 13, and the end cover is installed on the outer end of the friction wheel, and the anti-slipping protrusion of the end cover cooperates with the anti-slipping clamping plate to complete the installation, and the installation and disassembly are convenient.
[0025] The utility model provides a transmission device for a modified cradle, wherein the active leather roller and the driven leather roller are installed at the leather roller installation groove of the leather roller connecting frame. The friction force between the friction wheel and the active leather roller and the driven leather roller can be adjusted by adjusting the bolt. When the original roller drives the active leather roller to rotate, the friction wheel is driven to rotate, the friction wheel drives the driven leather roller to rotate, and the driven leather roller drives the new roller to rotate, and the friction wheel has a good transmission effect; each friction wheel uses two standard bearings, which not only reduces the modification cost, but also improves the overall strength and balance of the friction wheel, so as to facilitate better transmission; the utility model provides a transmission device for a modified cradle, which makes the cost of converting an ordinary ring spinning machine into a compact spinning machine lower, and the structure design is ingenious and easy to maintain. The utility model has a positive effect in actual production and has promotion significance.
[0026] The above embodiments are provided to persons familiar with the art to implement or use the technical solution of the present application. Personnel familiar with the art can make various modifications or changes to the above embodiments without departing from the idea of the technical solution of the present application. Therefore, the protection scope of the present application is not limited to the above embodiments, but should be the maximum scope of the innovative features mentioned in the claims.
Claims
1. A transmission device for a modified cradle, It is characterized in that The invention comprises an active leather roller (1) and a driven leather roller (2), wherein the active leather roller and the driven leather roller are arranged in a staggered manner; the active leather roller is installed in a leather roller installation groove at the front end of a pressure rod in front of a cradle and cooperates with an original roller (3); a leather roller connecting frame (4) is installed on the leather roller core shaft of the active leather roller, a pressure-bearing surface (6) in contact with the front end of the pressure rod in front of the cradle is provided on the leather roller connecting frame, and a driven leather roller is also arranged on the leather roller connecting frame, and the driven leather roller cooperates with the new roller; a friction wheel group is also provided on the leather roller connecting frame, and the active leather roller and the driven leather roller are connected via the friction wheel group; the friction wheel group comprises two left and right friction wheels (7), and the two left and right friction wheels are rotatably installed on a connecting bridge (8); a spring sheet (18) is installed on the leather roller connecting frame via an adjusting nut, and one end of the spring sheet cooperates with the leather roller connecting frame, and the other end is pressed on the connecting bridge.
2. A transmission device for a modified cradle according to claim 1, It is characterized in that The spring sheet is provided with a limiting groove, which cooperates with the connecting bridge.
3. A transmission device for a modified cradle according to claim 1, It is characterized in that The friction wheel assembly comprises a connecting bridge, and inner cover plates (9) are arranged at both ends of the connecting bridge. The inner cover plates are circular and have a size corresponding to that of the friction wheel. A rotating shaft (10) is arranged at the outer axis of the inner cover plate, and the friction wheel is mounted on the axis through a bearing. The friction wheel is cylindrical and has a stepped design on the outside. Areas with different diameters respectively cooperate with the active roller and the driven roller. A partition bar (12) is arranged in the middle of the friction wheel, and two bearings are arranged on both sides of the partition bar. An inner cover plate mounting groove (13) and an end cover mounting groove (14) are respectively arranged at corresponding positions outside the two bearings on the friction wheel. An anti-slipping clamping plate (15) is arranged on the end cover mounting groove, and an anti-slipping protrusion (17) is arranged at a corresponding position of the end cover.
4. A transmission device for a modified cradle according to claim 3, It is characterized in that The leather roller connecting frame is provided with an active leather roller mounting groove and a driven leather roller mounting groove, and the active leather roller and the driven leather roller are mounted respectively.
5. A transmission device for a modified cradle according to claim 1, It is characterized in that A limiting surface is arranged on the leather roller connecting frame, and the limiting surface matches with the bottom surface of the front pressure rod of the cradle.
6. A transmission device for a modified cradle according to claim 1, It is characterized in that A pad is installed on the pressure-bearing surface, and the height of the pad can be adjusted.