Tension-adjustable transmission device for feeding system of roving frame

Abstract

The utility model relates to a transmission device, in particular to a feeding tension adjustable transmission device of a roving frame. A tension-adjustable transmission device for a feeding system of a roving frame comprises a first belt wheel assembly, a second belt wheel assembly and a third belt wheel assembly, the first belt wheel assembly is connected with a motor, the first belt wheel assembly and the second belt wheel assembly are connected through a synchronous belt, and the second belt wheel assembly and the third belt wheel assembly are connected through a synchronous belt; the first belt wheel assembly, the second belt wheel assembly and the third belt wheel assembly are connected with the sliver guide roller through connecting assemblies. The first belt wheel assembly comprises a chain wheel, a fixed belt wheel, a check ring and an end cover. The chain wheel is connected to the fixed belt wheel, the fixed belt wheel is fixed in the check ring, and the end covers are connected to the two sides of the fixed belt wheel. According to the utility model, the rotating speed of the sliver guide roller is accurately controlled, the noise of equipment is reduced, and the product quality of subsequent procedures is ensured.

Description

Technical Field

[0001] The utility model relates to a transmission device, in particular to a transmission device with adjustable feeding tension of a roving frame. Background Art

[0002] The roving frame feeding system is used to feed the fiber strips into the drafting system of the roving frame. In order to ensure the drafting quality of the fiber strips, the speed of each row of fiber strips entering the drafting system must be the same, so it is necessary to accurately control the speed of the guide rollers of each row. However, the traditional chain drive feeding form will have problems such as chain jumping, jamming, and unstable transmission, and the transmission ratio is difficult to adjust. In addition, the guide rollers used in the chain drive form often cause uneven thickness of the fiber strips in the drafting system due to inaccurate speed control. Utility Model Content

[0003] The utility model aims to provide a tension-adjustable transmission device for a feeding system of a roving frame, which solves the problem of uneven thickness of fiber strips caused by inaccurate speed control of a guide roller.

[0004] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0005] A tension-adjustable transmission device for a roving frame feeding system comprises a first pulley assembly, a second pulley assembly and a third pulley assembly, wherein the first pulley assembly is connected to a motor, the first pulley assembly and the second pulley assembly are connected via a synchronous belt, and the second pulley assembly and the third pulley assembly are connected via a synchronous belt; the first pulley assembly, the second pulley assembly and the third pulley assembly are connected to a guide roller via a connecting assembly.

[0006] Furthermore, the first pulley assembly includes a sprocket, a fixed pulley, a retaining ring and an end cover; the sprocket is connected to the fixed pulley, the fixed pulley is fixed in the retaining ring, and the end cover is connected to both sides of the fixed pulley.

[0007] Furthermore, the second pulley assembly includes a disassembly pulley, a retaining ring, a fixed pulley and an end cover, the disassembly pulley and the fixed pulley are respectively fixed in two retaining rings, the two retaining rings are connected by the fixed pulley, and the end cover is connected to both sides of the fixed pulley.

[0008] Furthermore, the third pulley assembly includes a fixed pulley, a retaining ring and an end cover, the fixed pulley is connected in the retaining ring, and the end cover is located on both sides of the fixed pulley.

[0009] Furthermore, the synchronous belt is connected to a first tensioning wheel assembly and a second tensioning wheel assembly, the first tensioning wheel assembly is used to tension the synchronous belt connected to the disassembly pulley and the second tensioning wheel assembly is used to tension the synchronous belt connected to the fixed pulley and the fixed pulley.

[0010] Furthermore, the connecting assembly comprises a connecting shaft and a sleeve, the end of the guide roller is connected to the connecting shaft, and the guide roller is sleeved in the sleeve.

[0011] Furthermore, it also includes a support frame, on which a connecting piece is provided, and the connecting assembly is fixed to the support frame through the connecting piece.

[0012] Furthermore, the sprocket is provided with a first mounting hole, the fixed pulley is provided with a second mounting hole, and the first mounting hole is matched with the second mounting hole.

[0013] Compared with the prior art, the utility model has the following advantages and beneficial effects:

[0014] The utility model transmits the power through a pulley assembly, which is stable during the working process and easy to achieve a high transmission ratio, thereby reducing equipment problems of the feeding system during the transmission process and ensuring the quality of products in the subsequent processes. Mounting holes are provided on the sprocket and the fixed pulley, which can realize the free combination of the sprocket and the fixed pulley or the fixed pulley and the fixed pulley, greatly improving the universality of the device. In addition, the specifications of the sprocket and the fixed pulley can be adjusted at any time according to the real-time working conditions, thereby realizing the adjustment of the transmission ratio and realizing the precise control of the rotation speed of the guide roller. The utility model realizes the precise control of the rotation speed of the guide roller, reduces the equipment noise, and ensures the quality of products in the subsequent processes. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 A schematic diagram of a tension-adjustable transmission device for a roving frame feeding system.

[0016] Figure 2 A schematic diagram of the support frame.

[0017] Figure 3 for Figure 2 Enlarged view of point A in the middle.

[0018] Figure 4 This is an exploded view of the first pulley assembly.

[0019] Figure 5 This is an exploded view of the second pulley assembly.

[0020] Figure 6 This is an exploded view of the third pulley assembly. DETAILED DESCRIPTION

[0021] like Figures 1 to 6As shown, a tension-adjustable transmission device for a roving frame feeding system comprises a support frame 1, a first pulley assembly 2, a second pulley assembly 3 and a third pulley assembly 4, wherein the first pulley assembly 2 is connected to a motor, the first pulley assembly 2 and the second pulley assembly 3 are connected through a synchronous belt 5, and the second pulley assembly 3 and the third pulley assembly 4 are connected through a synchronous belt 5; the first pulley assembly 2, the second pulley assembly 3 and the third pulley assembly 4 are connected to a guide roller 6 through a connecting assembly 7. A connecting member is provided on the support frame 1, and the connecting assembly 7 is fixed to the support frame 1 through the connecting member. The first pulley assembly 2 is located at the leftmost side of the support frame 1, so that the first pulley assembly 2 is connected to the motor, the second pulley assembly 3 is located on the right side of the first pulley assembly 2, and the third pulley assembly 4 is located at the rightmost side of the support frame 1 and is connected to the second pulley assembly 3. The guide roller 6 is fixed to the support frame 1 through a connecting member. The first pulley assembly 2 is driven by the motor to realize the synchronous rotation of the second pulley assembly 3 through the synchronous belt 5, and the second pulley assembly 3 realizes the synchronous rotation of the third pulley assembly 4 through the synchronous belt 5, so as to accurately control the rotation speed of the guide roller 6 and solve the problem of uneven thickness of the fiber strip in the drafting mechanism. The guide roller 6 is provided with anti-skid patterns, which can prevent the fiber strip from sliding and increase the friction between the fiber strip and the guide roller 6.

[0022] The first pulley assembly 2 includes a sprocket 21, a fixed pulley 22, a retaining ring 23 and an end cover 24; the sprocket 21 is connected to the fixed pulley 22, the fixed pulley 22 is fixed in the retaining ring 23, and the end cover 24 is connected to both sides of the fixed pulley 22. The second pulley assembly 3 includes a disassembly pulley 25, a retaining ring 23, a fixed pulley 22 and an end cover 24, the disassembly pulley 25 and the fixed pulley 22 are respectively fixed in two retaining rings 23, the two retaining rings 23 are connected through the fixed pulley 22, and the end cover 24 is connected to both sides of the fixed pulley 22. The third pulley assembly 4 includes a fixed pulley 22, a retaining ring 23 and an end cover 24, the fixed pulley 22 is connected in the retaining ring 23, and the end cover 24 is located on both sides of the fixed pulley 22. The sprocket 21 is connected to the motor, and the transmission ratio is changed by adjusting the number of teeth of the sprocket 21, so as to achieve the purpose of being able to adapt to more working conditions. The fixed pulley 22 in the first pulley assembly is connected to the fixed pulley 22 in the second pulley assembly 3 through a synchronous belt 5, the disassembly pulley 25 in the second pulley assembly 3 is connected to the disassembly pulley 25 in the adjacent second pulley assembly 3 through a synchronous belt 5, the fixed pulley 22 in the adjacent second pulley assembly 3 is connected to the fixed pulley 22 of the next second pulley assembly through a synchronous belt, and so on. The fixed pulley 22 in the third pulley assembly 4 is connected to the disassembly pulley 25 in the last second pulley assembly 3 through a synchronous belt 5.

[0023] The synchronous belt 5 is connected with a first tensioning wheel assembly 26 and a second tensioning wheel assembly 27. The first tensioning wheel assembly 26 is used to tension the synchronous belt 5 connected with the disassembly pulley 25, and the second tensioning wheel assembly 27 is used to tension the synchronous belt 5 connected with the fixed pulley 22. The tensioning wheel assembly can prevent the synchronous belt 5 from loosening and improve the stability and accuracy of the belt transmission.

[0024] The connecting assembly 7 includes a connecting shaft 31 and a sleeve 32. The end of the guide roller 6 is connected to the connecting shaft 31, and the guide roller 6 is sleeved in the sleeve 32. The guide roller 6 is connected to the connecting shaft 31, and a bearing is provided between the connecting shaft 31 and the sleeve 32 to reduce the friction force when the guide roller 6 rotates and improve accuracy.

[0025] The sprocket 21 is provided with a first mounting hole 33, and the fixed pulley 22 is provided with a second mounting hole 34, and the first mounting hole 33 is adapted to the second mounting hole 34. The sprocket 21 can be connected to the fixed pulley 22 through the first mounting hole 33, and the fixed pulley 22 can be connected to another fixed pulley 22 through bolts, which greatly improves the universality of the device, reduces the difficulty of assembly, and reduces the manufacturing cost.

[0026] Of course, the above description is not a limitation of the present invention, and the present invention is not limited to the above examples. Changes, modifications, additions or substitutions made by technicians in this technical field within the essential scope of the present invention should also fall within the protection scope of the present invention.

Claims

1. A tension-adjustable transmission device for a roving frame feeding system, characterized in that: It includes a first pulley assembly, a second pulley assembly and a third pulley assembly, wherein the first pulley assembly is connected to a motor, the first pulley assembly and the second pulley assembly are connected via a synchronous belt, and the second pulley assembly and the third pulley assembly are connected via a synchronous belt; the first pulley assembly, the second pulley assembly and the third pulley assembly are connected to a guide roller via a connecting assembly.

2. A tension-adjustable transmission device for a roving frame feeding system according to claim 1, characterized in that: The first pulley assembly comprises a sprocket, a fixed pulley, a retaining ring and an end cover; the sprocket is connected to the fixed pulley, the fixed pulley is fixed in the retaining ring, and the end cover is connected to both sides of the fixed pulley.

3. A tension-adjustable transmission device for a roving frame feeding system according to claim 1, characterized in that: The second pulley assembly comprises a disassembly pulley, a retaining ring, a fixed pulley and an end cover. The disassembly pulley and the fixed pulley are respectively fixed in two retaining rings, the two retaining rings are connected by the fixed pulley, and the end cover is connected to both sides of the fixed pulley.

4. A tension-adjustable transmission device for a roving frame feeding system according to claim 1, characterized in that: The third pulley assembly comprises a fixed pulley, a retaining ring and an end cover, wherein the fixed pulley is connected in the retaining ring and the end cover is located at both sides of the fixed pulley.

5. A tension-adjustable transmission device for a roving frame feeding system according to claim 1, characterized in that: The synchronous belt is connected to a first tensioning wheel assembly and a second tensioning wheel assembly. The first tensioning wheel assembly is used to tension the synchronous belt connected to the disassembly pulley and the second tensioning wheel assembly is used to tension the synchronous belt connected to the fixed pulley and the fixed pulley.

6. A tension-adjustable transmission device for a roving frame feeding system according to claim 1, characterized in that: The connecting assembly comprises a connecting shaft and a sleeve, the end of the guide roller is connected to the connecting shaft, and the guide roller is sleeved in the sleeve.

7. A tension-adjustable transmission device for a roving frame feeding system according to claim 6, characterized in that: It also includes a support frame, on which a connecting piece is provided, and the connecting assembly is fixed to the support frame through the connecting piece.

8. A tension-adjustable transmission device for a roving frame feeding system according to claim 2, characterized in that: The sprocket is provided with a first mounting hole, the fixed pulley is provided with a second mounting hole, and the first mounting hole is matched with the second mounting hole.

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