Sizing machine headstock gear box

Abstract

The sizing machine headstock gear box comprises a rack box body, an input gear shaft and an output shaft are arranged in the box body, the rack and the box body are integrally machined and formed, the assembly error of a split structure and the hidden danger of looseness of a junction surface are eliminated, and an upper pulling plate and a lower supporting plate are fixedly welded to the positions, on the outer sides of the upper side and the lower side of the box body, of the rack respectively. A composite bearing frame with extremely high rigidity is formed, impact and vibration generated by starting and stopping of a sizing machine and load change can be effectively resisted, long-term coaxial precision between an input gear shaft and an output shaft is ensured, accordingly, abnormal abrasion of gears is greatly reduced, transmission stability and efficiency are improved, and the service life of a whole transmission system is prolonged; the output shaft is a hollow shaft, and two ends of the output shaft penetrate through the box body and are in transmission connection with a warp beam of the yarn sizing machine; an electric cavity is formed in the rack, and the rack is provided with a driving motor in transmission connection with the input gear shaft on the lower side of the box body; the device has the advantages of compact structure, high rigidity, convenience in maintenance, high safety and the like.

Description

TECHNICAL FIELD

[0001] The utility model relates to a gear box, in particular to a yarn sizing machine locomotive gear box. BACKGROUND

[0002] The yarn sizing machine is the key equipment of the textile industry, and is mainly used for the sizing treatment of warp yarns to improve the strength and wear resistance of the yarns. The locomotive gear box, as the core transmission component of the yarn sizing machine, bears the functions of power transmission, speed regulation and torque distribution, and its structural design and running stability directly affect the overall performance of the yarn sizing machine. The transmission system, electrical control unit and auxiliary support structure of the traditional yarn sizing machine are often independently arranged, resulting in a large equipment footprint, complex pipeline layout and inconvenient maintenance. The gear box usually adopts a split structure, and the rack and the box body are connected through bolts. Under high-speed and heavy-load working conditions, the combination surface is prone to loosening due to vibration, which affects the gear meshing accuracy, reduces the transmission efficiency, and even causes equipment failure. The compression roller of the traditional yarn sizing machine is usually directly placed on the support, and lacks a reliable limiting mechanism. When the equipment vibrates or is accidentally collided, it is easy to slide down, which poses a safety hazard. SUMMARY

[0003] The utility model aims at solving the prior art's insufficient, provides a kind of compact structure, high rigidity, convenient maintenance and strong safety's yarn sizing machine locomotive gear box.

[0004] The utility model discloses a yarn sizing machine locomotive gear box, which comprises a rack and a box body arranged on one side of the rack. The box body is internally provided with an input gear shaft and an output shaft. The rack and the box body are integrally formed. The rack is externally welded with an upper pull plate and a lower support plate on the upper and lower sides of the box body. The output shaft is a hollow shaft, and its two ends penetrate through the box body and are connected with the warp beam of the yarn sizing machine. An electrical cavity is arranged in the rack. A driving motor is arranged on the lower side of the box body and is connected with the input gear shaft.

[0005] Preferably, an intermediate gear shaft is rotatably arranged between the input gear shaft and the output shaft in the box body. A transition gear is sleeved on the intermediate gear shaft and is engaged with the input gear shaft. An output gear is sleeved on the output shaft and is engaged with the intermediate gear shaft.

[0006] Preferably, end covers are arranged on the two ends of the input gear shaft and the intermediate gear shaft in the box body. One end of the input gear shaft penetrates through the end cover and is connected with the driving motor. Flange covers are arranged on the two ends of the output shaft in the box body. The two ends of the output shaft penetrate through the flange covers and are connected with the warp beam of the yarn sizing machine.

[0007] Preferably, the motor shaft of the driving motor is provided with an output pulley, the input gear shaft is provided with an input pulley, and the output pulley and the input pulley are connected through a transmission belt.

[0008] Preferably, the lower side of the frame is provided with a connecting piece connected with the main machine of the sizing machine, and the bottom of the frame is provided with a pipe opening communicated with the electrical cavity.

[0009] Preferably, the frame is further provided with a plurality of mounting holes for mounting guide rollers, and the top of the frame is provided with a placing groove for placing the guide rollers.

[0010] Preferably, the top of the frame is provided with a limiting frame for placing a compression roller at the rear side of the placing groove, the limiting frame comprises two groups of limiting seats arranged along the operation direction of the sizing machine, limiting wheels are vertically arranged on the two groups of limiting seats through guide shafts, the surfaces of the limiting wheels are provided with arc-shaped concave surfaces, and the compression roller is placed between the arc-shaped concave surfaces of the two limiting wheels.

[0011] Preferably, the top of the box body is provided with an inspection opening, and an inspection cover plate is fixed on the inspection opening through bolts.

[0012] Preferably, the front side wall of the box body is provided with a control panel.

[0013] The frame and the box body are integrally processed and formed, so that the assembly error and the joint surface loosening hidden danger of the split structure are fundamentally eliminated, the upper pull plate and the lower support plate welded to the upper and lower outer sides of the box body are matched, a composite bearing frame with high rigidity is formed, the impact and vibration generated by the start and stop of the sizing machine and the load change can be effectively resisted, the long-term coaxial precision between the input gear shaft, the intermediate gear shaft and the output shaft is ensured, the abnormal wear of the gear is greatly reduced, the transmission stability, the efficiency and the service life of the entire transmission system are improved, the three functional modules of power transmission (gear box and driving motor), electrical control (built-in electrical cavity) and roller support (mounting hole and placing groove) are integrated in the integrated frame structure, the external pipeline connection of the entire machine is greatly simplified, the independent installation base and the connecting piece are reduced, the equipment floor area is compressed, the driving motor is installed nearby, the transmission path (such as the belt transmission) is shortened, the energy loss and the fault risk caused by the long shaft system are reduced, and the overall reliability and compactness of the equipment are improved. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 is a structural schematic diagram of an embodiment of the utility model;

[0015] Figure 2 This is a structural schematic diagram of the box body of this utility model;

[0016] Figure 3 This is a utility model Figure 1 A magnified view of A.

[0017] In the diagram: 1. Frame; 2. Housing; 3. Input gear shaft; 4. Output shaft; 5. Upper pull plate; 6. Lower support plate; 7. Electrical cavity; 8. Drive motor; 9. Intermediate gear shaft; 10. Transition gear; 11. Output gear; 12. End cover; 13. Flange cover; 14. Output pulley; 15. Input pulley; 16. Drive belt; 17. Connector; 18. Pipe port; 19. Mounting hole; 20. Placement slot; 21. Limiting bracket; 22. Limiting seat; 23. Guide shaft; 24. Limiting wheel; 25. Arc-shaped concave surface; 26. Inspection port; 27. Bolt; 28. Inspection cover plate; 29. ​​Control panel. Detailed Implementation

[0018] The technical solution of this utility model will be further described in detail below through specific embodiments and in conjunction with the accompanying drawings.

[0019] Example: Figures 1 to 3 The gearbox of a sizing machine includes a frame 1 and a housing 2 disposed on one side of the frame 1. The frame 1 and the housing 2 are integrally formed. An electrical cavity 7 is provided inside the frame 1. An upper pull plate 5 and a lower support plate 6 are welded and fixed to the outer sides of the upper and lower sides of the housing 2, respectively. A connector 17 for connecting to the main body of the sizing machine is provided on the lower side of the frame 1. A pipe opening 18 communicating with the electrical cavity 7 is provided at the bottom of the frame 1. An inspection port 26 is provided on the top of the housing 2. An inspection cover plate 28 is fixed to the inspection port 26 by bolts 27. A control panel 29 is provided on the front side wall of the housing 2.

[0020] An input gear shaft 3 and an output shaft 4 are rotatably mounted inside the housing 2. The output shaft 4 is a hollow shaft, with both ends passing through the housing 2 and connected to the warp shaft drive of the sizing machine. An intermediate gear shaft 9 is rotatably mounted between the input gear shaft 3 and the output shaft 4 inside the housing 2. A transition gear 10 that meshes with the input gear shaft 3 is mounted on the intermediate gear shaft 9, and an output gear 11 that meshes with the intermediate gear shaft 9 is mounted on the output shaft 4. End caps 12 are provided at both ends of the housing 2, including the input gear shaft 3 and the intermediate gear shaft 9. Flange covers 13 are provided at both ends of the housing 2, and both ends of the output shaft 4 pass through the flange covers 13 and are connected to the warp shaft drive of the sizing machine.

[0021] By integrally processing the frame 1 and the box 2, the assembling error and the joint loose hidden danger of the split structure are fundamentally eliminated, the upper pull plate 5 and the lower support plate 6 which are cooperatively welded on the upper and lower outer sides of the box 2 form a composite bearing frame with extremely strong rigidity, the impact and vibration caused by the starting and stopping of the sizing machine and the load change can be effectively resisted, the long-term coaxial precision between the input gear shaft 3, the intermediate gear shaft 9 and the output shaft 4 is ensured, the abnormal wear of the gear is greatly reduced, the transmission stability, the efficiency and the service life of the whole transmission system are improved.

[0022] The frame 1 is provided with a driving motor 8 which is in transmission connection with the input gear shaft 3 on the lower side of the box 2, the motor shaft of the driving motor 8 is provided with an output pulley 14, one end of the input gear shaft 3 is provided with an input pulley 15, and the output pulley 14 and the input pulley 15 are in transmission connection through a transmission belt 16.

[0023] The frame 1 is further provided with a plurality of mounting holes 19 for mounting guide rollers, the top of the frame 1 is provided with a placing groove 20 for placing the guide rollers, the top of the frame 1 is provided with a limiting frame 21 for placing a compression roller on the rear side of the placing groove 20, the limiting frame 21 comprises two groups of limiting seats 22 which are arranged along the operation direction of the sizing machine, limiting wheels 24 are vertically arranged on the two groups of limiting seats 22 through guide shafts 23, arc-shaped concave surfaces 25 are arranged on the surfaces of the limiting wheels 24, and the compression roller is placed between the arc-shaped concave surfaces 25 of the two limiting wheels 24.

[0024] The power transmission (the gear box and the driving motor 8), the electrical control (the built-in electrical cavity 7) and the roller support (the mounting hole 19 and the placing groove 20) are integrated in the frame 1, the external pipeline connection of the whole machine is greatly simplified, the independent mounting base and the connecting piece 17 are reduced, the equipment floor area is compressed, the driving motor 8 is installed nearby, the transmission path (such as the belt transmission) is shortened, the energy loss and the fault risk caused by the long shaft system are reduced, the overall reliability and compactness of the equipment are improved, the compression roller is constrained by the two groups of limiting wheels 24 with the arc-shaped concave surfaces 25, the arc-shaped concave surfaces 25 can effectively fit the roller body, the arbitrary rolling or accidental falling of the compression roller in the non-working state is reliably prevented, the potential safety hidden danger is eliminated, and the compression roller can be pulled out to calibrate the position of the material when necessary.

[0025] The above-described embodiment is only a preferred scheme of the present application, and does not limit the present application in any form, and other variants and modifications can be made without exceeding the technical scheme recited in the claims.

Claims

1. A gearbox for a sizing machine head, comprising a frame (1) and a housing (2) disposed on one side of the frame (1), wherein an input gear shaft (3) and an output shaft (4) are rotatably disposed within the housing (2), characterized in that: The frame (1) and the housing (2) are integrally formed. The frame (1) has an upper pull plate (5) and a lower support plate (6) welded and fixed on the outer sides of the upper and lower sides of the housing (2). The output shaft (4) is a hollow shaft with both ends passing through the housing (2) and connected to the warp shaft of the sizing machine. The frame (1) has an electrical cavity (7). The frame (1) has a drive motor (8) connected to the input gear shaft (3) on the lower side of the housing (2).

2. The sizing machine head gearbox according to claim 1, characterized in that: The housing (2) has an intermediate gear shaft (9) that rotates between the input gear shaft (3) and the output shaft (4). A transition gear (10) that meshes with the input gear shaft (3) is fitted on the intermediate gear shaft (9). An output gear (11) that meshes with the intermediate gear shaft (9) is fitted on the output shaft (4).

3. The sizing machine head gearbox according to claim 2, characterized in that: The housing (2) has end caps (12) at both ends of the input gear shaft (3) and the intermediate gear shaft (9). One end of the input gear shaft (3) passes through the end cap (12) and is connected to the drive motor (8) for transmission. The housing (2) has flange caps (13) at both ends of the output shaft (4). Both ends of the output shaft (4) pass through the flange caps (13) and are connected to the warp shaft of the sizing machine for transmission.

4. The sizing machine head gearbox according to claim 1, characterized in that: The drive motor (8) has an output pulley (14) on its motor shaft and an input pulley (15) on its input gear shaft (3). The output pulley (14) and the input pulley (15) are connected by a transmission belt (16).

5. The sizing machine head gearbox according to claim 1, characterized in that: The frame (1) is provided with a connector (17) on the lower side for connecting to the main body of the sizing machine, and the bottom of the frame (1) is provided with a pipe (18) communicating with the electrical cavity (7).

6. The sizing machine head gearbox according to claim 1, characterized in that: The frame (1) is also provided with a plurality of mounting holes (19) for mounting guide rollers, and the top of the frame (1) is provided with a placement groove (20) for placing guide rollers.

7. The sizing machine head gearbox according to claim 6, characterized in that: The top of the frame (1) is provided with a limiting frame (21) for placing the pressure roller on the rear side of the placement groove (20). The limiting frame (21) includes two sets of limiting seats (22) arranged along the working direction of the sizing machine. Each of the two sets of limiting seats (22) is provided with a limiting wheel (24) vertically through a guide shaft (23). The surface of the limiting wheel (24) is provided with an arc-shaped concave surface (25). The pressure roller is placed between the arc-shaped concave surfaces (25) of the two limiting wheels (24).

8. The sizing machine head gearbox according to claim 1, characterized in that: The top of the box (2) is provided with an inspection port (26), and an inspection cover plate (28) is fixed to the inspection port (26) by bolts (27).

9. The sizing machine head gearbox according to claim 1, characterized in that: The control panel (29) is provided on the front side wall of the box (2).

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