Multi-stage stable transmission type double-screw extruder gear box

Abstract

The utility model relates to the technical field of extruder gearboxes, discloses a multistage stable transmission type double-screw extruder gearbox, solves the problem that lubricating oil is inconvenient to coat in the transmission process, and comprises a gearbox main body, an oil injection mechanism used for injecting oil into an internal gear is arranged in the gearbox body and comprises an oil storage box, a bottom groove is formed in the bottom face of the oil storage box, a compression rod is slidably connected into the bottom groove, a compression chamber is formed in the oil storage box, and one end of the compression rod is fixedly connected with a compression plate. A limiting plate is slidably connected into the inner groove, a sliding block and an extrusion plate are fixedly connected to one side of the limiting plate, a liquid storage chamber is further arranged in the oil storage box and filled with lubricating oil, a pressure valve is fixedly connected to the bottom face of the inner wall of the liquid storage chamber, and a liquid conveying pipe and an atomization nozzle are fixedly connected to the bottom face of the oil storage box. The effect of conveniently lubricating the gear in the transmission process is achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of extruder gear boxes, in particular to a multi-stage stable transmission type twin-screw extruder gear box. Background Art

[0002] The extruder gearbox is one of the key components used in extrusion molding equipment. It is usually composed of multi-stage gears. Its main function is to convert the rotational motion from the motor into the high-torque and low-speed output required by the extruder through gear transmission. The gearbox has the characteristics of wear resistance, high efficiency, and good stability, which can ensure the stable and reliable operation of the extruder during the production process. However, during the use of the existing extruder gearbox, due to its internal multi-stage transmission, it is necessary to lubricate the gears with lubricating oil to reduce friction and noise and ensure the stability of the transmission. However, it is troublesome to apply lubricating oil to the gears, which is inconvenient to operate and affects the transmission efficiency.

[0003] In view of the above problems, a multi-stage stable transmission twin-screw extruder gearbox is proposed to solve the above problems. Utility Model Content

[0004] The utility model aims to provide a multi-stage stable transmission type twin-screw extruder gear box. The device is adopted to work, thereby solving the problem of inconvenience in applying lubricating oil during the transmission process.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a multi-stage stable transmission twin-screw extruder gearbox, comprising a gearbox body, one side of the gearbox body is rotatably connected to a main shaft, one side of the main shaft is fixedly connected to a coupling, the other side of the gearbox body is rotatably connected to a secondary shaft, and an oiling mechanism for oiling internal gears is provided inside the gearbox body;

[0006] The oil filling mechanism includes an oil storage box, a bottom groove is provided on the bottom surface of the oil storage box, a compression rod is slidably connected inside the bottom groove, a compression chamber is arranged inside the oil storage box, a compression plate is fixedly connected to one end of the compression rod, the compression plate is slidably connected to the inside of the compression chamber, an inner groove is provided on the inner wall of the compression chamber, a limit plate is slidably connected inside the inner groove, a slider is fixedly connected to one side of the limit plate, an extrusion plate is fixedly connected to one side of the slider, a liquid storage chamber is also arranged inside the oil storage box, the liquid storage chamber is filled with lubricating oil, a pressure valve is fixedly connected to the bottom surface of the inner wall of the liquid storage chamber, an infusion tube is fixedly connected to the bottom surface of the oil storage box, the infusion tube and the pressure valve are arranged correspondingly, and an atomizing nozzle is fixedly connected to one end of the infusion tube.

[0007] Preferably, a sealing sleeve A is fixedly connected to the outer side of the compression plate, and the sealing sleeve A is in contact with the inner wall of the compression chamber.

[0008] Preferably, a spring is fixedly connected to the inner wall of the inner groove, and one end of the spring is fixedly connected to one side of the limiting plate.

[0009] Preferably, a sealing sleeve B is fixedly connected to the outer side of the extrusion plate, and the sealing sleeve B is in contact with the inner wall of the liquid storage chamber.

[0010] Preferably, a pressure regulator is fixedly connected to one side of the oil storage box, and the pressure regulator is communicated with the interior of the bottom tank.

[0011] Preferably, a liquid adding pipe is fixedly connected to the upper surface of the oil storage box.

[0012] Preferably, one side of the main shaft is fixedly connected to an input shaft, an outer side of the input shaft is fixedly connected to a main gear, one end of the auxiliary shaft is fixedly connected to an output shaft, an outer side of the output shaft is fixedly connected to a secondary gear, and the main gear is meshingly connected to the secondary gear.

[0013] Preferably, a sleeve is fixedly connected to the outside of the input shaft, a movable groove is opened on the outside of the sleeve, an arc groove is opened on the inner wall of the movable groove, the distance between the arc groove and the axis of the sleeve is different, a ball is fixedly connected to one end of the compression rod, the compression rod is slidably connected to the inside of the movable groove, and the ball is slidably connected to the inside of the arc groove.

[0014] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0015] The utility model provides a multi-stage stable transmission twin-screw extruder gearbox. During the transmission process, the input shaft rotates to drive the sleeve to rotate, and the ball bearing in the arc groove drives the compression rod to move up and down, thereby driving the compression plate to squeeze upward, and squeezes the air in the compression chamber toward the limit plate. The limit plate slides inside the inner groove, and at the same time, the slider drives the extrusion plate to squeeze into the liquid storage chamber, thereby squeezing the lubricating liquid in the liquid storage chamber toward the pressure valve, and then the pressure valve is opened to discharge the lubricating liquid from the infusion tube, and the lubricating liquid is sprayed out through the atomizing nozzle, which finally achieves the effect of lubricating the gears during the transmission process. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0017] Figure 2 This is a schematic diagram of the internal structure of the gearbox of the utility model;

[0018] Figure 3 This is a schematic diagram of the oil injection mechanism structure of the utility model;

[0019] Figure 4 This is a schematic diagram of the arc groove structure of the utility model.

[0020] In the figure: 1. gearbox body; 2. coupling; 11. main shaft; 111. input shaft; 112. main gear; 12. secondary shaft; 121. output shaft; 122. secondary gear; 3. sleeve; 31. movable groove; 32. arc groove; 4. oil filling mechanism; 41. oil storage box; 411. bottom groove; 412. compression chamber; 413. inner groove; 414. liquid storage chamber; 42. compression rod; 421. ball; 422. compression plate; 423. sealing sleeve A; 43. limit plate; 431. spring; 44. slider; 45. extrusion plate; 451. sealing sleeve B; 46. pressure valve; 47. infusion tube; 471. atomizing nozzle; 48. pressure regulator; 49. liquid adding tube. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in 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.

[0022] In order to further understand the content of the utility model, the utility model is described in detail in conjunction with the accompanying drawings.

[0023] Combination Figure 1 A multi-stage stable transmission twin-screw extruder gearbox includes a gearbox body 1, one side of the gearbox body 1 is rotatably connected to a main shaft 11, one side of the main shaft 11 is fixedly connected to a coupling 2, and the other side of the gearbox body 1 is rotatably connected to a secondary shaft 12. An oiling mechanism 4 for oiling internal gears is arranged inside the gearbox body 1.

[0024] The utility model is further described below in conjunction with embodiments.

[0025] Combination Figure 2-Figure 4The oil filling mechanism 4 includes an oil storage box 41, a bottom groove 411 is provided on the bottom surface of the oil storage box 41, a compression rod 42 is slidably connected inside the bottom groove 411, a compression chamber 412 is arranged inside the oil storage box 41, one end of the compression rod 42 is fixedly connected to a compression plate 422, the compression plate 422 is slidably connected to the inside of the compression chamber 412, an inner groove 413 is provided on the inner wall of the compression chamber 412, a limit plate 43 is slidably connected inside the inner groove 413, a slider 44 is fixedly connected to one side of the limit plate 43, and an extrusion plate 45 is fixedly connected to one side of the slider 44, a liquid storage chamber 414 is also provided inside the oil storage box 41, the liquid storage chamber 414 is filled with lubricating oil, a pressure valve 46 is fixedly connected to the bottom surface of the inner wall of the liquid storage chamber 414, and an infusion tube 47 is fixedly connected to the bottom surface of the oil storage box 41, the infusion tube 47 is arranged corresponding to the pressure valve 46, and one end of the infusion tube 47 is fixed It is fixedly connected with an atomizing nozzle 471. Through the arrangement of the oil storage box 41, the compression rod 42, the ball 421, the bottom groove 411, the compression chamber 412, the inner groove 413, the limit plate 43, the slider 44, the extrusion plate 45, the liquid storage chamber 414, the pressure valve 46, the infusion tube 47 and the pressure regulator 48, the compression rod 42 moves upward during the transmission process, thereby driving the compression plate 422 to squeeze upward, squeezing the air in the compression chamber 412 toward the limit plate 43, driving the limit plate 43 to slide inside the inner groove 413, and at the same time, the slider 44 drives the extrusion plate 45 to squeeze into the liquid storage chamber 414, thereby squeezing the lubricating liquid in the liquid storage chamber 414 toward the pressure valve 46, and then opening the pressure valve 46 to discharge the lubricating liquid from the infusion tube 47, and spraying the lubricating liquid through the atomizing nozzle 471, which has the effect of lubricating the gears during the transmission process.

[0026] A sealing sleeve A423 is fixedly connected to the outer side of the compression plate 422, and the sealing sleeve A423 is in contact with the inner wall of the compression chamber 412. The setting of the sealing sleeve A423 ensures that the compressed air is sealed when the compression plate 422 moves.

[0027] A spring 431 is fixedly connected to the inner wall of the inner groove 413 , and one end of the spring 431 is fixedly connected to one side of the limiting plate 43 . The setting of the spring 431 facilitates the limiting plate 43 to be reset after being compressed.

[0028] A sealing sleeve B451 is fixedly connected to the outer side of the extrusion plate 45 , and the sealing sleeve B451 is in contact with the inner wall of the liquid storage chamber 414 . The sealing sleeve B451 is arranged to ensure sealing compression while preventing the lubricating liquid from entering the inner groove 413 .

[0029] A pressure regulator 48 is fixedly connected to one side of the oil storage box 41 . The pressure regulator 48 is communicated with the interior of the bottom groove 411 . The pressure regulator 48 is arranged to keep the air pressure in the liquid storage chamber 414 constant.

[0030] A liquid adding pipe 49 is fixedly connected to the upper surface of the oil storage box 41 . The provision of the liquid adding pipe 49 facilitates timely replenishment of lubricating liquid into the liquid storage chamber 414 .

[0031] An input shaft 111 is fixedly connected to one side of the main rotating shaft 11, a main gear 112 is fixedly connected to the outer side of the input shaft 111, an output shaft 121 is fixedly connected to one end of the auxiliary rotating shaft 12, a sub-gear 122 is fixedly connected to the outer side of the output shaft 121, the main gear 112 is meshed with the sub-gear 122, and the rotation transmission work is realized by the arrangement of the input shaft 111, the main gear 112, the output shaft 121 and the sub-gear 122.

[0032] A sleeve 3 is fixedly connected to the outside of the input shaft 111, a movable groove 31 is opened on the outside of the sleeve 3, an arc groove 32 is opened on the inner wall of the movable groove 31, and the distance between the arc groove 32 and the axis of the sleeve 3 is different. A ball 421 is fixedly connected to one end of the compression rod 42, the compression rod 42 is slidably connected to the inside of the movable groove 31, and the ball 421 is slidably connected to the inside of the arc groove 32. Through the arrangement of the sleeve 3, the movable groove 31 and the arc groove 32, the sleeve 3 is driven to rotate during the rotation of the input shaft 111, and the compression rod 42 is driven up and down by the ball 421 in the arc groove 32, providing power for the oil injection mechanism 4 to discharge oil.

[0033] Specifically, during the transmission process, the rotation of the input shaft 111 drives the sleeve 3 to rotate, and the ball 421 in the arc groove 32 drives the compression rod 42 to move up and down, thereby driving the compression plate 422 to squeeze upward, and squeeze the air in the compression chamber 412 toward the limit plate 43. The limit plate 43 slides inside the inner groove 413. At the same time, the slider 44 drives the extrusion plate 45 to squeeze into the liquid storage chamber 414, thereby squeezing the lubricating fluid in the liquid storage chamber 414 toward the pressure valve 46, and then the pressure valve 46 is opened to discharge the lubricating fluid from the infusion tube 47, and the lubricating fluid is sprayed out through the atomizing nozzle 471, which finally achieves the effect of lubricating the gears during the transmission process.

[0034] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0035] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A multi-stage stable transmission twin-screw extruder gearbox, comprising a gearbox body (1), one side of the gearbox body (1) is rotatably connected to a main shaft (11), one side of the main shaft (11) is fixedly connected to a coupling (2), and the other side of the gearbox body (1) is rotatably connected to a secondary shaft (12), characterized in that: An oil injection mechanism (4) for injecting oil into the internal gears is arranged inside the gear box body (1); The oil injection mechanism (4) comprises an oil storage box (41), a bottom groove (411) is provided on the bottom surface of the oil storage box (41), a compression rod (42) is slidably connected inside the bottom groove (411), a compression chamber (412) is provided inside the oil storage box (41), one end of the compression rod (42) is fixedly connected to a compression plate (422), the compression plate (422) is slidably connected inside the compression chamber (412), an inner groove (413) is provided on the inner wall of the compression chamber (412), a limit plate (43) is slidably connected inside the inner groove (413), A slider (44) is fixedly connected to one side of the limit plate (43), and a squeeze plate (45) is fixedly connected to one side of the slider (44). A liquid storage chamber (414) is also provided inside the oil storage box (41). The liquid storage chamber (414) is filled with lubricating oil. A pressure valve (46) is fixedly connected to the bottom surface of the inner wall of the liquid storage chamber (414). A liquid infusion tube (47) is fixedly connected to the bottom surface of the oil storage box (41). The liquid infusion tube (47) and the pressure valve (46) are arranged correspondingly, and one end of the liquid infusion tube (47) is fixedly connected to an atomizing nozzle (471).

2. The multi-stage stable transmission twin-screw extruder gearbox according to claim 1, characterized in that: A sealing sleeve A (423) is fixedly connected to the outer side of the compression plate (422), and the sealing sleeve A (423) is in contact with the inner wall of the compression chamber (412).

3. The multi-stage stable transmission twin-screw extruder gearbox according to claim 1, characterized in that: A spring (431) is fixedly connected to the inner wall of the inner groove (413), and one end of the spring (431) is fixedly connected to one side of the limiting plate (43).

4. The multi-stage stable transmission twin-screw extruder gearbox according to claim 1, characterized in that: A sealing sleeve B (451) is fixedly connected to the outer side of the extrusion plate (45), and the sealing sleeve B (451) is in contact with the inner wall of the liquid storage chamber (414).

5. The multi-stage stable transmission twin-screw extruder gearbox according to claim 1, characterized in that: A pressure regulator (48) is fixedly connected to one side of the oil storage box (41), and the pressure regulator (48) is communicated with the interior of the bottom tank (411).

6. The multi-stage stable transmission twin-screw extruder gearbox according to claim 5, characterized in that: A liquid adding pipe (49) is fixedly connected to the upper surface of the oil storage box (41).

7. The multi-stage stable transmission twin-screw extruder gearbox according to claim 1, characterized in that: One side of the main rotating shaft (11) is fixedly connected to an input shaft (111), the outer side of the input shaft (111) is fixedly connected to a main gear (112), one end of the auxiliary rotating shaft (12) is fixedly connected to an output shaft (121), the outer side of the output shaft (121) is fixedly connected to a sub-gear (122), and the main gear (112) is meshedly connected to the sub-gear (122).

8. The multi-stage stable transmission twin-screw extruder gearbox according to claim 7, characterized in that: The outer side of the input shaft (111) is fixedly connected to a sleeve (3), the outer side of the sleeve (3) is provided with a movable groove (31), the inner wall of the movable groove (31) is provided with an arc groove (32), the distance between the arc groove (32) and the axis of the sleeve (3) is different, one end of the compression rod (42) is fixedly connected to a ball (421), the compression rod (42) is slidably connected to the inside of the movable groove (31), and the ball (421) is slidably connected to the inside of the arc groove (32).

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