High-rotating-speed transmission mechanism of numerical control gear hobbing machine

Abstract

The utility model relates to the technical field of machining equipment, in particular to a high-rotating-speed transmission mechanism of a numerical control gear hobbing machine, which comprises a transmission seat, a groove is arranged on the front side of the transmission seat, a transmission cavity is arranged on one side of the groove in the transmission seat, and a hobbing rod is rotatably arranged on the groove wall of one side of the groove through a rolling bearing. The other end of the hobbing rod penetrates into the transmission cavity, a gear pair is fixedly arranged at the end, located in the transmission cavity, of the hobbing rod, an oil storage tank is fixedly arranged at the position, corresponding to the transmission cavity, of the top of the transmission base, an oil inlet pipe is fixedly arranged at the upper end of the oil storage tank, and a reciprocating swing lubricating mechanism is arranged on the upper side in the transmission cavity. An oil outlet pipe is fixedly arranged on the lower side of the transmission cavity of the transmission seat, and a guide ring is fixedly arranged at the bottom of the transmission cavity. The gear pair can be quickly lubricated, a worker does not need to temporarily inject lubricating oil every time during lubrication, and time and labor are saved.

Description

Technical Field

[0001] The utility model relates to the technical field of mechanical processing equipment, in particular to a high-speed transmission mechanism for a numerically controlled gear hobbing machine. Background Art

[0002] Gear hobbing machine is the most widely used type of gear processing machine tool. It can cut spur and helical cylindrical gears, and can also process worm wheels, sprockets, etc. It uses hobs to process spur, helical and herringbone cylindrical gears and worm wheels according to the development method. This type of machine tool can also process workpieces with various special tooth shapes such as splines and sprockets when using special hobs.

[0003] In the patent with patent number CN208397270U, ​​a gear pair transmission mechanism of a CNC gear hobbing machine is disclosed, including a box body, two symmetrically distributed first support rods are fixedly connected to the top of the box body, a reciprocating screw is arranged between the two first support rods, two ends of the reciprocating screw are rotatably connected to the side opposite to the two first support rods through rolling bearings, a rotating motor is fixedly connected to the right side of one of the support rods, the output end of the rotating motor is fixedly connected to the right end of the reciprocating screw through a coupling, a first sliding block is sleeved on the outer wall of the reciprocating screw, an oil filling pipe is fixedly connected to one side of the first sliding block, a strip opening corresponding to the oil filling pipe is opened on the top of the box body, the bottom of the oil filling pipe passes through the top of the box body through the strip opening and extends downward, an oil outlet is opened at the bottom of the box body, and a collecting mechanism is arranged at the bottom of the oil outlet.

[0004] The above patent has the following problems:

[0005] Every time the gear pair is lubricated, the staff is required to temporarily inject lubricating oil, which is time-consuming, labor-intensive and inefficient. Therefore, we have launched a high-speed transmission mechanism for CNC gear hobbing machines. Utility Model Content

[0006] The utility model aims to provide a high-speed transmission mechanism for a CNC gear hobbing machine, which can quickly lubricate a gear pair without requiring a worker to temporarily inject lubricating oil each time during lubrication, so as to solve the problems raised in the above-mentioned background technology.

[0007] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0008] A high-speed transmission mechanism of a numerically controlled gear hobbing machine comprises a transmission seat, a groove is arranged on the front side of the transmission seat, a transmission cavity is opened inside the transmission seat at one side of the groove, a gear hobbing rod is rotatably arranged on a groove wall on one side of the groove through a rolling bearing, the other end of the gear hobbing rod penetrates into the interior of the transmission cavity, and a gear pair is fixedly arranged at one end of the gear hobbing rod located in the transmission cavity, an oil storage tank is fixedly arranged at the top of the transmission seat corresponding to the position of the transmission cavity, an oil inlet pipe is fixedly arranged at the upper end of the oil storage tank, a reciprocating swinging lubrication mechanism is arranged on the upper side of the interior of the transmission cavity, an oil outlet pipe is fixedly arranged on the transmission seat at the lower side of the transmission cavity, and a guide ring is fixedly arranged at the bottom of the transmission cavity.

[0009] Preferably, the reciprocating swing lubrication mechanism includes a swing tube, which is vertically arranged inside the transmission cavity and above the gear pair. The upper end of the swing tube is rotatably connected to the cavity wall of the transmission cavity through a rotating shaft. A motor is fixedly provided on one side cavity wall of the transmission cavity, and a rocker is fixedly provided on the output end of the motor. The other end of the rocker is hinged with a connecting rod, and the other end of the connecting rod is hinged to the tube wall of the swing tube. A hose is fixedly provided on the upper end of the swing tube, and the upper end of the hose is fixedly connected to the bottom of the oil storage tank.

[0010] Preferably, a solenoid valve is fixedly provided at the bottom of the oil storage tank at the hose.

[0011] Preferably, the inner side of the guide ring is provided with a chamfer.

[0012] Preferably, an oil inlet funnel is fixedly provided on the upper end of the oil inlet pipe.

[0013] Preferably, a valve is fixedly provided on the oil outlet pipe.

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

[0015] The high-speed transmission mechanism of the CNC gear hobbing machine is equipped with a reciprocating swing lubrication mechanism, an oil storage tank, an oil inlet pipe and an oil outlet pipe. The lubricating oil is poured into the oil storage tank through the oil inlet pipe for storage. When in use, the motor and the solenoid valve are started, the motor drives the rocker to rotate, and the rocker drives the swing pipe to swing back and forth through the connecting rod. The lubricating oil in the oil storage tank passes through the hose and the swing pipe, and the lubricating oil is evenly dripped onto the gear pair, so the gear pair can be quickly lubricated, and the staff does not need to temporarily inject the lubricating oil every time during lubrication. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 The figure is a schematic diagram of the structure of a high-speed transmission mechanism of a CNC gear hobbing machine.

[0017] Figure 2 The figure is a side view structural diagram of a high-speed transmission mechanism of a CNC gear hobbing machine.

[0018] Figure 3 for Figure 2 An enlarged schematic diagram of the local part A in the figure.

[0019] In the figure: 1. gear rolling rod; 2. oil outlet pipe; 3. transmission seat; 4. oil storage tank; 5. oil inlet funnel; 6. oil inlet pipe; 7. gear pair; 8. solenoid valve; 9. hose; 10. swing pipe; 11. connecting rod; 12. rocker; 13. motor. DETAILED DESCRIPTION

[0020] 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.

[0021] See also Figures 1 to 3 , the utility model provides a technical solution:

[0022] A high-speed transmission mechanism of a numerically controlled gear hobbing machine comprises a transmission seat 3, a groove is arranged on the front side of the transmission seat 3, a transmission cavity is opened inside the transmission seat 3 at one side of the groove, a gear hobbing rod 1 is rotatably arranged on the groove wall on one side of the groove through a rolling bearing, the other end of the gear hobbing rod 1 penetrates into the interior of the transmission cavity, and a gear pair 7 is fixedly arranged at one end of the gear hobbing rod 1 located in the transmission cavity, an oil storage tank 4 is fixedly arranged at the top of the transmission seat 3 corresponding to the position of the transmission cavity, an oil inlet pipe 6 is fixedly arranged on the upper end of the oil storage tank 4, an oil inlet funnel 5 is fixedly arranged on the upper end of the oil inlet pipe 6, a reciprocating swinging lubrication mechanism is arranged on the upper side of the interior of the transmission cavity, an oil outlet pipe 2 is fixedly arranged on the transmission seat 3 at the lower side of the transmission cavity, a valve is fixedly arranged on the oil outlet pipe 2, a guide ring is fixedly arranged at the bottom of the transmission cavity, a chamfer is arranged on the inner side of the guide ring, and the guide ring can guide the waste oil in the transmission cavity into the oil outlet pipe 2.

[0023] The reciprocating swing lubrication mechanism includes a swing tube 10, which is vertically arranged inside the transmission cavity and above the gear pair 7. The upper end of the swing tube 10 is rotatably connected to the cavity wall of the transmission cavity through a rotating shaft. A motor 13 is fixedly provided on one side wall of the transmission cavity. A rocker arm 12 is fixedly provided on the output end of the motor 13. A connecting rod 11 is hinged on the other end of the rocker arm 12. The other end of the connecting rod 11 is hinged to the wall of the swing tube 10. A hose 9 is fixedly provided on the upper end of the swing tube 10. A solenoid valve 8 is fixedly provided at the bottom of the oil storage tank 4 at the hose 9. The upper end of the hose 9 is fixedly connected to the bottom of the oil storage tank 4.

[0024] The lubricating oil is poured into the oil storage tank 4 through the oil inlet pipe 6 for storage. When in use, the motor 13 and the solenoid valve 8 are started, the motor 13 drives the rocker 12 to rotate, and the rocker 12 drives the swing tube 10 to swing back and forth through the connecting rod 11. The lubricating oil in the oil storage tank 4 passes through the hose 9 and the swing tube 10, and the lubricating oil is evenly dripped onto the gear pair 7, which can quickly lubricate the gear pair 7, and there is no need for the staff to temporarily inject lubricating oil during lubrication.

[0025] 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 high-speed transmission mechanism for a CNC gear hobbing machine, comprising a transmission seat (3), characterized in that: A groove is provided on the front side of the transmission seat (3); a transmission cavity is provided inside the transmission seat (3) at one side of the groove; a gear hobbing rod (1) is rotatably provided on the groove wall on one side of the groove via a rolling bearing; the other end of the gear hobbing rod (1) penetrates into the interior of the transmission cavity; and a gear pair (7) is fixedly provided at one end of the gear hobbing rod (1) located in the transmission cavity; an oil storage tank (4) is fixedly provided at the top of the transmission seat (3) at a position corresponding to the position of the transmission cavity; an oil inlet pipe (6) is fixedly provided at the upper end of the oil storage tank (4); a reciprocating swing lubrication mechanism is provided on the upper side of the interior of the transmission cavity; an oil outlet pipe (2) is fixedly provided on the transmission seat (3) at the lower side of the transmission cavity; and a guide ring is fixedly provided at the bottom of the transmission cavity.

2. A high speed transmission mechanism for a CNC gear hobbing machine according to claim 1, characterized in that: The reciprocating swing lubrication mechanism comprises a swing tube (10), wherein the swing tube (10) is vertically arranged inside a transmission cavity and located above a gear pair (7), wherein the upper end of the swing tube (10) is rotatably connected to the cavity wall of the transmission cavity via a rotating shaft, wherein a motor (13) is fixedly provided on one side cavity wall of the transmission cavity, wherein a rocker (12) is fixedly provided on the output end of the motor (13), wherein the other end of the rocker (12) is hingedly connected to a connecting rod (11), wherein the other end of the connecting rod (11) is hingedly connected to the wall of the swing tube (10), wherein a hose (9) is fixedly provided on the upper end of the swing tube (10), wherein the upper end of the hose (9) is fixedly connected to the bottom of an oil storage tank (4).

3. The high speed transmission mechanism of a CNC gear hobbing machine according to claim 1, characterized in that: A solenoid valve (8) is fixedly provided at the bottom of the oil storage tank (4) at the hose (9).

4. The high-speed transmission mechanism of a CNC gear hobbing machine according to claim 1, characterized in that: The inner side of the guide ring is provided with a chamfer.

5. The high speed transmission mechanism of a CNC gear hobbing machine according to claim 1, characterized in that: An oil inlet funnel (5) is fixedly provided at the upper end of the oil inlet pipe (6).

6. The high speed transmission mechanism of a CNC gear hobbing machine according to claim 1, characterized in that: The oil outlet pipe (2) is fixedly provided with a valve.

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