Lubricating device of hobbing cutter bar of gear hobbing machine for processing watch movement

Abstract

The utility model relates to a lubricating device of a hobbing cutter bar of a gear hobbing machine for watch movement machining, and relates to the field of gear hobbing machines. The gear hobbing machine main body is connected with the base; the fixed end of the motor is fixedly connected to the gear hobbing machine main body; the lubricating mechanism is connected with the base, the lubricating mechanism is connected with the gear hobbing machine body, and the lubricating mechanism is used for lubricating the gear hobbing machine body; the linkage mechanism is connected with the output end of the motor, the linkage mechanism is connected with the gear hobbing machine body, and the linkage mechanism is connected with the base; the gear hobbing machine body comprises a supporting frame, and the supporting frame is fixedly installed on the gear hobbing machine body and connected with the lubricating mechanism. The cutter bar is coaxially and fixedly installed at the output end of the motor, the cutter bar penetrates through the supporting frame and is rotationally connected to the supporting frame, and the cutter bar is connected with the linkage mechanism; and the hobbing cutter is connected with the linkage mechanism. The automatic lubricating oil adding device has the effect of automatically adding lubricating oil to the gear hobbing machine.

Description

Technical Field

[0001] The present application relates to the field of gear hobbing machines, and in particular to a lubricating device for a gear hobbing machine cutter bar used for machining watch movement. Background Art

[0002] Gear hobbing machines are the most widely used type of gear processing machine tools. They can cut spur and helical cylindrical gears, as well as worm gears, sprockets, etc.

[0003] At present, when the roller cutter bar on the market rotates, a lubrication device is used to inject lubricating oil into the bar to achieve the lubrication effect. Since the lubricating oil adding process is relatively complicated and it is inconvenient for the staff to add lubricating oil, the lubrication effect of the bar rotation is gradually reduced.

[0004] With regard to the above-mentioned related technologies, the gear hobbing machine cannot realize automatic lubrication at present. Utility Model Content

[0005] In order to realize automatic lubrication of a gear hobbing machine, the present application provides a lubrication device for a hobbing cutter bar of a gear hobbing machine used for machining a watch movement.

[0006] The present application provides a lubricating device for a hobbing cutter bar of a gear hobbing machine for machining a watch movement, which adopts the following technical solution:

[0007] A lubricating device for a hobbing cutter bar of a gear hobbing machine for machining a watch movement, comprising:

[0008] Base;

[0009] A gear hobbing machine body, wherein the gear hobbing machine body is fixedly mounted on the base;

[0010] An electric motor, wherein the fixed end of the electric motor is fixedly connected to the gear hobbing machine body;

[0011] A lubricating mechanism, the lubricating mechanism is connected to the base, the lubricating mechanism is connected to the gear hobbing machine body, and the lubricating mechanism is used to lubricate the gear hobbing machine body;

[0012] A linkage mechanism, wherein the linkage mechanism is connected to the output end of the motor, the linkage mechanism is connected to the gear hobbing machine body, the linkage mechanism is connected to the base, and the linkage mechanism is used to drive the gear hobbing machine body;

[0013] Wherein, the gear hobbing machine body comprises:

[0014] A support frame, the support frame is fixedly mounted on the gear hobbing machine body, and the support frame is connected to the lubrication mechanism;

[0015] A knife bar, which is coaxially and fixedly mounted on the output end of the motor, is passed through and rotatably connected to the support frame, and is connected to the linkage mechanism;

[0016] A hob, the hob being connected to the linkage mechanism;

[0017] A lubrication hole is provided on the support frame.

[0018] By adopting the above technical solution, the motor is started, the motor drives the cutter bar to rotate, the cutter bar drives the linkage mechanism to work, the linkage mechanism drives the hob to rotate, and the lubricating oil in the lubricating mechanism lubricates the cutter bar through the lubrication hole under the action of gravity. The friction resistance between the cutter bar and the support frame is improved, the wear between the cutter bar and the support frame is reduced, the service performance and life of the lubrication device of the hobbing cutter bar of the hobbing machine for watch movement processing are improved, and energy consumption is reduced.

[0019] Optionally, the lubrication mechanism includes:

[0020] A lubrication box, the lubrication box is fixedly connected to the base;

[0021] A lubrication pipe, one end of which is communicated with an end of the lubrication box body close to the base, and one end of the lubrication pipe away from the lubrication box body is communicated with the lubrication hole.

[0022] By adopting the above technical solution, under the action of gravity, the lubricating oil flows along the lubricating pipe to the lubricating hole, and the lubricating oil reaches the connection between the tool bar and the support frame through the lubricating hole for lubrication. The friction state of the friction pair is improved to reduce friction resistance and slow down wear. The lubricating mechanism plays a lubricating role between the tool bar and the support frame, thereby improving the performance and life of the lubricating device of the hobbing tool bar of the hobbing machine for watch movement processing and reducing energy consumption.

[0023] Optionally, the linkage mechanism includes:

[0024] A first worm, one end of which is coaxially and fixedly connected to an end of the cutter bar away from the motor, and one end of which is coaxially and fixedly connected to an end of the hob away from the cutter bar.

[0025] By adopting the above technical solution, the motor is started, the motor drives the cutter bar to rotate, the cutter bar drives the first worm to rotate, the first worm drives the hob to rotate, and the hob processes the workpiece. The setting of the linkage mechanism improves the mechanical linkage of the lubrication device of the hob bar of the hobbing machine for watch movement processing.

[0026] Optionally, the linkage mechanism further includes:

[0027] a second worm gear, the second worm gear being rotatably connected to the base;

[0028] A first turbine, the first turbine is meshedly connected to the first worm, and the first turbine is coaxially sleeved and fixedly connected to one end of the second worm;

[0029] A reciprocating screw, the reciprocating screw being rotatably connected to the base;

[0030] The second turbine is meshedly connected to the second worm, and the second turbine is coaxially sleeved and fixedly connected to the end of the reciprocating screw away from the base.

[0031] By adopting the above technical solution, the first worm drives the first turbine to rotate, the first turbine drives the second worm to rotate, the second worm drives the second turbine to rotate, and the second turbine drives the reciprocating screw to rotate. The setting of the linkage mechanism improves the mechanical linkage of the lubricating device of the hobbing cutter bar of the hobbing machine for processing the watch movement, and the working efficiency of the lubricating device of the hobbing cutter bar of the hobbing machine for processing the watch movement.

[0032] Optionally, a recycling mechanism is further included, and the recycling mechanism includes:

[0033] A recovery box, the recovery box is fixedly mounted on the gear hobbing machine body, and the recovery box is sleeved and fixedly connected to the support frame;

[0034] A recovery pipe, the recovery pipe is connected to the recovery box;

[0035] A recovery one-way valve, wherein the liquid inlet end of the recovery one-way valve is connected to an end of the recovery pipe away from the recovery box.

[0036] By adopting the above technical solution, the excess lubricating oil flows down along the support frame under the action of gravity, flows along the recovery pipe to the recovery check valve, and reaches the circulation mechanism through the recovery check valve. The setting of the recovery mechanism is green and environmentally friendly, saves lubricating oil, reduces costs, and improves the utilization rate of lubricating oil.

[0037] Optionally, a circulation mechanism is further included, and the circulation mechanism includes:

[0038] A circulation box, the circulation box is fixedly mounted on the base, the circulation box is connected to the liquid outlet end of the recovery check valve, and the circulation box is passed through and rotatably connected to the reciprocating screw;

[0039] A linkage plate, the linkage plate is sleeved and threadedly connected to the reciprocating screw

[0040] A circulation straight pipe, the circulation straight pipe is passed through and rotatably connected to one end of the circulation box away from the base, and the circulation straight pipe is passed through and fixedly connected to the linkage plate;

[0041] A circulation check valve, wherein the liquid outlet end of the circulation check valve is connected to an end of the circulation straight pipe close to the linkage plate;

[0042] A circulation hose, one end of which is connected to an end of the circulation straight pipe away from the circulation one-way valve, and the other end of which is connected to the top of the lubrication box.

[0043] By adopting the above technical solution, the motor is started, the motor drives the linkage mechanism to work, the linkage mechanism drives the linkage plate away from the base, the linkage plate drives the circulation straight pipe away from the base, the circulation straight pipe drives the circulation check valve away from the base, and after reaching the specified position, the linkage plate approaches the base under the action of the linkage mechanism, the linkage plate and the circulation straight pipe approach the base, the circulation straight pipe drives the circulation check valve to the base, at this time, the lubricating oil in the circulation box flows along the circulation check valve under the action of pressure, and then flows along the circulation straight pipe into the circulation hose under the action of pressure, and finally flows into the lubrication box. The setting of the circulation mechanism can return the recycled lubricating oil to the lubrication box, improve the utilization rate of the lubricating oil, and circulate the lubricating oil.

[0044] Optionally, the lubrication box is provided with a refueling hole, and a rubber plug is detachably installed in the refueling hole.

[0045] By adopting the above technical solution, the setting of the refueling hole allows workers to add lubricating oil more conveniently, thereby improving their work efficiency. The setting of the rubber plug ensures the closed space of the lubrication box, circulating hose, circulating straight pipe and circulating box, which is conducive to the circulation of the lubricating oil.

[0046] Optionally, a filter is fixedly installed in the recovery box, and the peripheral side of the filter is tightly fitted to the inner wall of the recovery box.

[0047] By adopting the above technical solution, the filter screen can filter out impurities in the recovered lubricating oil, thereby protecting the equipment and improving production efficiency.

[0048] In summary, the present application includes at least one of the following beneficial technical effects:

[0049] 1. Start the motor, the motor drives the cutter bar to rotate, the cutter bar drives the linkage mechanism to work, the linkage mechanism drives the hob to rotate, and the lubricating oil in the lubricating mechanism lubricates the cutter bar through the lubrication hole under the action of gravity. This improves the friction resistance between the cutter bar and the support frame, reduces the wear between the cutter bar and the support frame, improves the performance and life of the lubrication device of the hobbing machine cutter bar for watch movement processing, and reduces energy consumption;

[0050] 2. Under the action of gravity, the lubricating oil flows along the lubrication pipe to the lubrication hole, and the lubricating oil reaches the connection between the tool bar and the support frame through the lubrication hole for lubrication. Improving the friction state of the friction pair is used to reduce friction resistance and slow down wear. The lubrication mechanism plays a lubricating role between the tool bar and the support frame, improving the performance and life of the lubrication device of the hobbing machine tool bar for watch movement processing, and reducing energy consumption;

[0051] 3. The first worm drives the first turbine to rotate, the first turbine drives the second worm to rotate, the second worm drives the second turbine to rotate, and the second turbine drives the reciprocating screw to rotate. The setting of the linkage mechanism improves the mechanical linkage of the lubricating device of the hobbing cutter bar of the hobbing machine for watch movement processing, and the working efficiency of the lubricating device of the hobbing cutter bar of the hobbing machine for watch movement processing. BRIEF DESCRIPTION OF THE DRAWINGS

[0052] Figure 1 It is a schematic diagram of the structure of an embodiment of the present application;

[0053] Figure 2 It is a schematic diagram of the structure of the cutter bar, the support frame, the lubrication hole and the hob in the embodiment of the present application;

[0054] Figure 3 is a structural schematic diagram of the lubrication mechanism of an embodiment of the present application;

[0055] Figure 4 is a schematic diagram of the structure of the recycling mechanism of an embodiment of the present application;

[0056] Figure 5 It is a structural schematic diagram of the circulation mechanism of an embodiment of the present application.

[0057] Description of reference numerals:

[0058] 1. Gear hobbing machine body; 11. Cutter bar; 12. Support frame; 13. Lubrication hole; 14. Hob; 2. Motor; 3. Lubrication mechanism; 31. Lubrication box; 32. Lubrication pipe; 33. Oil filling hole; 34. Rubber plug; 4. Recovery mechanism; 41. Recovery box; 42. Filter; 43. Recovery check valve; 44. Recovery pipe; 5. Circulation mechanism; 51. Circulation box; 52. Circulation straight pipe; 53. Circulation hose; 54. Circulation check valve; 55. Linkage plate; 6. Linkage mechanism; 61. First worm; 62. First turbine; 63. Second worm; 64. Second turbine; 65. Reciprocating screw; 7. Base. DETAILED DESCRIPTION

[0059] The following is combined with Figure 1-5 This application is described in further detail.

[0060] The embodiment of the present application discloses a lubricating device for a hobbing cutter bar of a gear hobbing machine used for machining a watch movement.

[0061] Reference Figure 1 and Figure 2 The lubrication device of the hobbing cutter 14 and the tool bar 11 of the gear hobbing machine for processing the watch movement includes a base 7, a gear hobbing machine body 1 is fixedly connected to the base 7, the end of the gear hobbing machine body 1 away from the base 7 is fixedly connected to the fixed end of the motor 2, the output end of the motor 2 is coaxially and fixedly connected to the tool bar 11, the gear hobbing machine body 1 is fixedly connected to the support frame 12, the gear hobbing machine body 1 is connected to the linkage mechanism 6, the linkage mechanism 6 is connected to the end of the tool bar 11 away from the motor 2, the linkage mechanism 6 is connected to the hobbing cutter 14, the linkage mechanism 6 is connected to the support frame 12, the support frame 12 is provided with a lubrication hole 13, and the base 7 is connected to the lubrication mechanism 3.

[0062] The motor 2 is started, the motor 2 drives the cutter bar 11 to rotate, the cutter bar 11 drives the linkage mechanism 6 to work, the linkage mechanism 6 drives the hob 14 to rotate, and the lubricating oil in the lubricating mechanism 3 lubricates the cutter bar 11 through the lubrication hole 13 under the action of gravity. The friction resistance between the cutter bar 11 and the support frame 12 is improved, the wear between the cutter bar 11 and the support frame 12 is reduced, the service performance and life of the lubrication device of the cutter bar 11 of the hobbing machine hob 14 for watch movement processing are improved, and energy consumption is reduced.

[0063] Reference Figure 1 and Figure 3 The lubrication mechanism 3 includes a lubrication box 31, which is fixedly connected to the base 7. One end of the lubrication box 31 close to the base 7 is connected to a lubrication pipe 32, and one end of the lubrication pipe 32 away from the lubrication box 31 is connected to the lubrication hole 13. The lubrication box 31 contains lubricating oil.

[0064] Under the action of gravity, the lubricating oil flows along the lubricating pipe 32 to the lubricating hole 13, and the lubricating oil reaches the connection between the tool bar 11 and the support frame 12 through the lubricating hole 13 for lubrication. The friction state of the friction pair is improved to reduce friction resistance and slow down wear. The lubricating mechanism 3 plays a lubricating role between the tool bar 11 and the support frame 12, thereby improving the performance and life of the lubricating device of the tool bar 11 of the hobbing machine hob 14 for watch movement processing and reducing energy consumption.

[0065] Reference Figure 1 and Figure 2 The linkage mechanism 6 includes a first worm 61, one end of the first worm 61 is coaxially fixedly connected to the end of the tool rod 11 away from the motor 2, the end of the first worm 61 away from the tool rod 11 is coaxially and fixedly connected to the hob 14, the first worm 61 is meshedly connected with a first turbine 62, the first turbine 62 is coaxially penetrated and fixedly connected with a second worm 63, the second worm 63 is rotatably connected to the base 7, the second worm 63 is meshedly connected with a second turbine 64, the second turbine 64 is coaxially penetrated and fixedly connected with a reciprocating screw 65, and the reciprocating screw 65 is connected to the circulation mechanism 5.

[0066] The motor 2 is started, the motor 2 drives the tool bar 11 to rotate, the tool bar 11 drives the first worm 61 to rotate, the first worm 61 drives the hob 14 to rotate, the hob 14 processes the workpiece, the first worm 61 drives the first turbine 62 to rotate, the first turbine 62 drives the second worm 63 to rotate, the second worm 63 drives the second turbine 64 to rotate, and the second turbine 64 drives the reciprocating screw 65 to rotate. The setting of the linkage mechanism 6 improves the mechanical linkage of the lubricating device of the tool bar 11 of the hob 14 of the watch movement processing hobbing machine, and the working efficiency of the lubricating device of the tool bar 11 of the hob 14 of the watch movement processing hobbing machine.

[0067] Reference Figure 1 and Figure 4 The lubricating device of the tool rod 11 of the gear hobbing machine hobbing cutter 14 for watch movement processing also includes a recovery mechanism 4, the recovery mechanism 4 includes a recovery box 41, the recovery box 41 is fixedly installed on the gear hobbing machine body 1, the recovery box 41 is sleeved and fixedly connected to the support frame 12, the area of ​​the recovery box 41 can cover the support frame 12, the recovery box 41 is connected to a recovery pipe 44, and the end of the recovery pipe 44 away from the recovery box 41 is connected to the liquid inlet end of the recovery check valve 43, and the liquid outlet end of the recovery check valve 43 is connected to the circulation mechanism 5.

[0068] The excess lubricating oil flows down along the support frame 12 under the action of gravity, flows along the recovery pipe 44 to the recovery check valve 43, and reaches the circulation mechanism 5 through the recovery check valve 43. The setting of the recovery mechanism 4 is green and environmentally friendly, saves lubricating oil, reduces costs, and improves the utilization rate of lubricating oil.

[0069] Reference Figure 1 and Figure 5 The circulation mechanism 5 includes a circulation box 51, which is fixedly installed on the base 7. The circulation box 51 is connected to the liquid outlet end of the recovery check valve 43. The circulation box 51 is sleeved and rotatably connected to the reciprocating screw 65. The reciprocating screw 65 is sleeved and threadedly connected with a linkage plate 55. The linkage plate 55 is penetrated and fixedly connected with a circulation straight pipe 52. The circulation straight pipe 52 is penetrated and rotatably connected to the end of the circulation box 51 away from the base 7. The end of the circulation straight pipe 52 close to the base 7 is connected to the liquid outlet end of the circulation check valve 54. The end of the circulation straight pipe 52 away from the circulation check valve 54 is connected to the circulation hose 53. The end of the circulation hose 53 away from the circulation straight pipe 52 is connected to the lubrication box 31.

[0070] Start the motor 2, the motor 2 drives the linkage mechanism 6 to work, the linkage mechanism 6 drives the linkage plate 55 away from the base 7, the linkage plate 55 drives the circulation straight pipe 52 away from the base 7, the circulation straight pipe 52 drives the circulation check valve 54 away from the base 7, after reaching the designated position, the linkage plate 55 approaches the base 7 under the action of the linkage mechanism 6, the linkage plate 55 drives the circulation straight pipe 52 to approach the base 7, the circulation straight pipe 52 drives the circulation check valve 54 to approach the base 7, at this time, the lubricating oil in the circulation box 51 flows into the circulation straight pipe 52 along the circulation check valve 54 under the action of pressure, and then flows into the circulation hose 53 along the circulation straight pipe 52 under the action of pressure, and finally flows into the lubrication box 31. The setting of the circulation mechanism 5 can return the recycled lubricating oil to the lubrication box 31, improve the utilization rate of the lubricating oil, and circulate the lubricating oil.

[0071] Reference Figure 1 and Figure 2 The lubricating box 31 is provided with a refueling hole 33 at one end away from the base 7, and a rubber plug 34 is detachably installed in the refueling hole 33. The setting of the refueling hole 33 allows workers to add lubricating oil more conveniently, thereby improving the work efficiency of workers. The setting of the rubber plug 34 ensures the closed space of the lubricating box 31, the circulation hose 53, the circulation straight pipe 52 and the circulation box 51, which is conducive to the circulation of the lubricating oil.

[0072] Reference Figure 1 and Figure 2 A filter screen 42 is fixedly installed in the recovery box 41, and the peripheral side of the filter screen 42 is closely attached to the inner wall of the recovery box 41. The setting of the filter screen 42 filters out impurities in the recovered lubricating oil, protects the equipment, and improves production efficiency.

[0073] The implementation principle of the lubrication device of the hobbing cutter bar of a gear hobbing machine for processing a watch movement in the embodiment of the present application is as follows: start the motor 2, the motor 2 drives the cutter bar 11 to rotate, the cutter bar 11 drives the first worm 61 to rotate, the first worm 61 drives the hob 14 to rotate, the hob 14 processes the workpiece, and under the action of gravity, the lubricating oil flows along the lubrication pipe 32 to the lubrication hole 13, the lubricating oil passes through the lubrication hole 13 to the connection between the cutter bar 11 and the support frame 12 for lubrication, the first worm 61 drives the first turbine 62 to rotate, the first turbine 62 drives the second worm 63 to rotate, the second worm 63 drives the second turbine 64 to rotate, and the second turbine 64 drives the reciprocating wire The lever 65 rotates, the reciprocating screw 65 drives the linkage plate 55 away from the base 7, the linkage plate 55 drives the circulation straight pipe 52 away from the base 7, the circulation straight pipe 52 drives the circulation check valve 54 away from the base 7, and after reaching the designated position, the linkage plate 55 approaches the base 7 under the action of the reciprocating screw 65, the linkage plate 55 drives the circulation straight pipe 52 to approach the base 7, the circulation straight pipe 52 drives the circulation check valve 54 to approach the base 7, and at this time, the lubricating oil in the circulation box 51 flows into the circulation straight pipe 52 along the circulation check valve 54 under the action of pressure, and then flows into the circulation hose 53 along the circulation straight pipe 52 under the action of pressure, and finally flows into the lubrication box 31. The setting of the circulation mechanism 5 can return the recycled lubricating oil to the lubrication box 31, improve the utilization rate of the lubricating oil, and circulate the lubricating oil.

[0074] The above are all preferred embodiments of the present application, and the protection scope of the present application is not limited thereto. Therefore, any equivalent changes made according to the structure, shape, and principle of the present application should be included in the protection scope of the present application.

Claims

1. A lubricating device for a hobbing cutter bar of a gear hobbing machine for machining a watch movement, characterized in that: include: Base (7); A gear hobbing machine body (1), the gear hobbing machine body (1) being fixedly mounted on the base (7); An electric motor (2), wherein a fixed end of the electric motor (2) is fixedly connected to the gear hobbing machine body (1); A lubricating mechanism (3), the lubricating mechanism (3) being connected to the base (7), the lubricating mechanism (3) being connected to the gear hobbing machine body (1), the lubricating mechanism (3) being used to lubricate the gear hobbing machine body (1); A linkage mechanism (6), the linkage mechanism (6) being connected to an output end of the motor (2), the linkage mechanism (6) being connected to the gear hobbing machine body (1), the linkage mechanism (6) being connected to the base (7), and the linkage mechanism (6) being used to drive the gear hobbing machine body (1); Wherein, the gear hobbing machine body (1) comprises: A support frame (12), the support frame (12) being fixedly mounted on the gear hobbing machine body (1), and the support frame (12) being connected to the lubrication mechanism (3); a knife rod (11), the knife rod (11) being coaxially and fixedly mounted on the output end of the motor (2), the knife rod (11) being passed through and rotatably connected to the support frame (12), and the knife rod (11) being connected to the linkage mechanism (6); A roller cutter (14), the roller cutter (14) being connected to the linkage mechanism (6); A lubrication hole (13), wherein the lubrication hole (13) is provided on the support frame (12).

2. The lubricating device for the hobbing cutter bar of the gear hobbing machine for machining a watch movement according to claim 1, characterized in that: The lubrication mechanism (3) comprises: A lubrication box (31), the lubrication box (31) being fixedly connected to the base (7); A lubrication pipe (32), one end of the lubrication pipe (32) being in communication with an end of the lubrication box (31) close to the base (7), and one end of the lubrication pipe (32) away from the lubrication box (31) being in communication with the lubrication hole (13).

3. The lubricating device for the hobbing cutter bar of the gear hobbing machine for machining a watch movement according to claim 2, characterized in that: The linkage mechanism (6) comprises: A first worm (61), one end of the first worm (61) being coaxially and fixedly connected to an end of the cutter bar (11) away from the motor (2), and one end of the first worm (61) being coaxially and fixedly connected to an end of the hob (14) away from the cutter bar (11).

4. The lubricating device for the hobbing cutter bar of the gear hobbing machine for machining a watch movement according to claim 3, characterized in that: The linkage mechanism (6) further comprises: a second worm gear (63), the second worm gear (63) being rotatably connected to the base (7); a first turbine (62), the first turbine (62) being meshedly connected to the first worm (61), the first turbine (62) being coaxially sleeved and fixedly connected to one end of the second worm (63); A reciprocating screw (65), the reciprocating screw (65) being rotatably connected to the base (7); A second turbine (64), the second turbine (64) is meshingly connected to the second worm (63), and the second turbine (64) is coaxially sleeved and fixedly connected to an end of the reciprocating screw (65) away from the base (7).

5. The lubricating device for the hobbing cutter bar of the gear hobbing machine for machining a watch movement according to claim 4, characterized in that: It also includes a recovery mechanism (4), wherein the recovery mechanism (4) includes: A recovery box (41), the recovery box (41) being fixedly mounted on the gear hobbing machine body (1), the recovery box (41) being sleeved on and fixedly connected to the support frame (12); A recovery pipe (44), the recovery pipe (44) being in communication with the recovery box (41); A recovery one-way valve (43), wherein a liquid inlet end of the recovery one-way valve (43) is connected to an end of the recovery pipe (44) away from the recovery box (41).

6. The lubricating device for the hobbing cutter bar of the gear hobbing machine for machining a watch movement according to claim 5, characterized in that: It also includes a circulation mechanism (5), wherein the circulation mechanism (5) includes: a circulation box (51), the circulation box (51) being fixedly mounted on the base (7), the circulation box (51) being in communication with a liquid outlet end of the recovery check valve (43), the circulation box (51) being passed through and rotatably connected to the reciprocating screw (65); A linkage plate (55) is sleeved and threadedly connected to the reciprocating screw (65). a circulation straight pipe (52), the circulation straight pipe (52) being passed through and rotatably connected to an end of the circulation box (51) away from the base (7), and the circulation straight pipe (52) being passed through and fixedly connected to the linkage plate (55); a circulation check valve (54), wherein a liquid outlet end of the circulation check valve (54) is connected to an end of the circulation straight pipe (52) close to the linkage plate (55); A circulation hose (53), one end of the circulation hose (53) being in communication with an end of the circulation straight pipe (52) away from the circulation check valve (54), and the other end of the circulation hose (53) being in communication with the top of the lubrication box (31).

7. The lubricating device for the hobbing cutter bar of the gear hobbing machine for machining a watch movement according to claim 2, characterized in that: The lubrication box (31) is provided with a refueling hole (33), and a rubber plug (34) is detachably installed in the refueling hole (33).

8. The lubricating device for the hobbing cutter bar of the gear hobbing machine for machining a watch movement according to claim 5, characterized in that: A filter screen (42) is fixedly installed in the recovery box (41), and the peripheral side of the filter screen (42) is tightly fitted to the inner wall of the recovery box (41).

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