Screw tap oiling mechanism for nut tapping machine

Abstract

A screw tap oiling mechanism for a nut tapping machine comprises a machine body and a clamp base fixedly installed on the machine body. A plurality of nut clamps are connected to the clamp base, and a plurality of screw tap transmission parts are arranged on the machine body. The screw tap oiling device further comprises a movable driving part, a screw tap oiling part and a recycling assembly. The moving driving part comprises a fixed support, an auxiliary support, a linear driving element and a moving assembly, the fixed support is fixedly installed on the machine body, the auxiliary support is fixedly connected to the rear end of the fixed support, the linear driving element is fixedly installed on the auxiliary support, and the linear driving element is used for driving the moving assembly to move linearly. The screw tap oiling part comprises a tapping oil storage hopper and an oiling assembly which are fixedly installed on one side of the machine body. The tapping oil is smeared on the screw tap through the oil applying assembly, manual oil applying is not needed, the working efficiency is improved, the situation that manual oil applying is forgotten is avoided, abrasion of the screw tap is increased, the tapping oil is prevented from dripping on the machine body, the tapping oil can be collected, and waste is avoided.

Description

Technical Field

[0001] The present invention relates to the technical field of nut processing, and more specifically, to a tap oiling mechanism for a nut tapping machine. Background Art

[0002] A nut tapping machine is a machining equipment for machining internal threads, screws or thread fasteners on the inner side of holes of parts such as nuts and flanges with through holes or blind holes of various specifications.

[0003] During the operation of the existing nut tapping machine, the nut is placed on the nut fixture, the tap is placed on the through hole of the nut, the top end of the tap is connected to the tap driving part, and an operator uses a brush to apply tapping oil on the tap. The tap is driven by the tap driving part to rotate downward to tap the nut. The tap penetrates through the nut and lands on the machine frame, and then the operator picks up the tap for the next tapping.

[0004] It is necessary for an operator to apply tapping oil on the tap manually, which has a high labor intensity and reduces work efficiency. During long-term operation, it is possible to forget to apply oil on the tap. Without applying oil, the wear of the tap will increase, and the service life of the tap will be reduced. When using a brush to apply oil on the tap, during the movement of the brush, the tapping oil is likely to drip onto the machine body, which is likely to contaminate the machine body. Moreover, during nut tapping, waste chips will fall on the machine body, and the waste chips mixed with the tapping oil will adhere to the machine body, which is not easy to clean later, and the dripping of the tapping oil is likely to cause waste. Summary of the Invention

[0005] In view of the above defects, the present invention provides a tap oiling mechanism for a nut tapping machine to solve the above problems.

[0006] To achieve the above object, the present invention adopts the following technical solutions: A tap oiling mechanism for a nut tapping machine, comprising a machine body and a fixture base fixedly installed on the machine body; A plurality of nut fixtures are connected to the fixture base, and a plurality of tap driving parts are provided on the machine body; It further includes: a moving driving part, a tap oiling part and a recycling component; The moving driving part includes a fixed support, an auxiliary support, a linear driving element and a moving component. The fixed support is fixedly installed on the machine body, the auxiliary support is fixedly connected to the rear end of the fixed support, and the linear driving element is fixedly installed on the auxiliary support. The linear driving element is used to drive the moving component to move along a straight line.

[0007] The tap oiling part includes a tapping oil storage hopper fixedly installed on one side of the machine body and an oiling component.

[0008] As a preferred technical solution of the present invention, the moving component includes upper guiding through grooves formed in the auxiliary support and the fixed support. The fixture seat is provided with a plurality of lower guiding through grooves, which are located on one side of the nut fixture. The lower guiding through grooves and the upper guiding through grooves are vertically opposite in size and position. A moving pipe fitting is arranged between the lower guiding through groove and the upper guiding through groove. The two ends of the moving pipe fitting respectively penetrate through the lower guiding through groove and the upper guiding through groove. A guiding slider is sleeved on the upper end of the moving pipe fitting. The bottom surface of the guiding slider is in sliding contact with the fixed support and the auxiliary support. The output end of the linear driving element is fixedly connected to the guiding slider, and the linear driving element drives the guiding slider to move linearly.

[0009] As a preferred technical solution of the present invention, the oiling component includes an upper oiling brush fixedly connected to one side of the moving pipe fitting. An oil delivery cavity is arranged inside the upper end of the moving pipe fitting. An oil delivery hard pipe is fixedly connected to one side of the moving pipe fitting. The oil delivery hard pipe is obliquely arranged. The upper end of the oil delivery hard pipe is communicated with the oil delivery cavity. The end of the oil delivery hard pipe is connected with an oil outlet nozzle, and the oil outlet nozzle is located above the bristles of the upper oiling brush. The top end of the moving pipe fitting is connected with an upper oiling pipe fitting. An oil delivery hose is communicated between adjacent upper oiling pipe fittings. A supply hose is communicated between one of the upper oiling pipe fittings and the tapping oil storage hopper.

[0010] As a preferred technical solution of the present invention, the recycling component includes a recycling cavity arranged inside the lower end of the moving pipe fitting. A fixed opening is arranged on one side of the recycling cavity. A rotating sleeve is rotatably connected to the moving pipe fitting. The rotating sleeve is located below the upper oiling brush. A recycling hard pipe is communicated with the rotating sleeve. The recycling hard pipe is obliquely arranged. One end of the recycling hard pipe penetrates through the fixed opening and extends into the recycling cavity. The other end of the recycling hard pipe is fixedly connected with a U-shaped oil receiving plate, and the U-shaped oil receiving plate is located below the upper oiling brush. A limiting disk is fixedly sleeved on the lower end of the moving pipe fitting, and the limiting disk is located below the rotating sleeve. A reset torsion spring is sleeved on the moving pipe fitting, and the two ends of the reset torsion spring are respectively connected with the limiting disk and the rotating sleeve.

[0011] As a preferred technical solution of the present invention, the recycling component further includes a recycling storage tank, which is placed on the ground on one side of the machine body. A fixing part is fixedly connected to one side of the machine body. One end of the fixing part is connected with a clamp. The bottom end of the moving pipe fitting is connected with an oil discharging pipe fitting. An oil discharging hose is communicated between adjacent oil discharging pipe fittings. The end of one of the oil discharging hoses is fixed above the recycling storage tank through the clamp.

[0012] As a preferred technical solution of the present invention, a supporting slider is sleeved on the lower end of the moving pipe fitting. The bottom surface of the supporting slider is in sliding contact with the fixture seat. The supporting slider and the guiding slider are fixedly connected to the moving pipe fitting through slider bolts.

[0013] As a preferred technical solution of the present invention, a supporting plate is fixedly installed on the machine body, and the supporting plate is located at the rear end of the tap driving part. The surface of the supporting plate is connected with the auxiliary support.

[0014] As a preferred technical solution of the present invention, four mobile pipe fittings are provided, and the four mobile pipe fittings are sequentially shortened from left to right.

[0015] As a preferred technical solution of the present invention, a total oil supply valve is provided on the oil supply hose, and a branch oil supply valve is provided on the hard oil transmission pipe.

[0016] The beneficial effects of the present invention are as follows: The linear drive element drives the guide slider to drive the mobile pipe fitting to move, so that the oiling component on the mobile pipe fitting contacts the tap, eliminating the need for manual operation and reducing the labor intensity of workers.

[0017] The tapping oil is applied to the tap through the oiling component, eliminating the need for manual oiling of the tap, reducing the labor intensity of workers, improving work efficiency, preventing manual omission of oiling, avoiding increased wear of the tap, and extending the service life of the tap.

[0018] The recycling component collects the dripping tapping oil, preventing the tapping oil from dripping onto the machine body, improving the cleanliness of the machine body, preventing waste chips from mixing with the tapping oil and adhering to the machine body, facilitating the later cleaning and collection of waste chips, and collecting the tapping oil to avoid waste. Description of the Drawings

[0019] Figure 1 is a schematic structural diagram of a tapping oiling mechanism for a nut tapping machine according to the present invention; Figure 2 is an enlarged side view of the mobile drive part; Figure 3 is a partial top view of the mobile component; Figure 4 is a top view of the fixture seat; Figure 5 is a partial enlarged view of the oiling component and the recycling component; Figure 6 is an enlarged cross-sectional view of the mobile pipe fitting; Figure 7 is a partial enlarged view of the recycling component; In the figure, 1 is the body; 2 is the fixture seat; 3 is the nut fixture; 4 is the tap drive part; 5 is the main oil supply valve; 6 is the branch oil supply valve; 7 is the recycling component; 8 is the fixed support; 9 is the auxiliary support; 10 is the linear drive element; 11 is the moving component; 12 is the tapping oil storage hopper; 13 is the oiling component; 14 is the upper guiding through groove; 15 is the lower guiding through groove; 16 is the moving pipe fitting; 17 is the guiding slider; 18 is the upper oiling brush; 19 is the oil delivery cavity; 20 is the oil delivery rigid pipe; 21 is the oil outlet nozzle; 22 is the upper oiling pipe fitting; 23 is the oil delivery flexible pipe; 24 is the oil supply flexible pipe; 25 is the recycling cavity; 26 is the fixed opening; 27 is the rotating sleeve; 28 is the recycling rigid pipe; 29 is the recycling rigid pipe; 30 is the limit disc; 31 is the reset torsion spring; 32 is the recycling oil storage tank; 33 is the fixing part; 34 is the clamp; 35 is the oil drainage pipe fitting; 36 is the oil drainage flexible pipe; 37 is the supporting slider; 38 is the slider bolt; 39 is the supporting plate. Detailed implementation manners

[0020] To make the above objects, features, and advantages of the present invention more apparent and understandable, the following detailed description of the specific implementation manners of the present invention is provided in conjunction with the accompanying drawings. Many specific details are set forth in the following description to facilitate a full understanding of the present invention. However, the present invention can be implemented in many other ways different from those described herein, and those skilled in the art can make similar improvements without departing from the connotation of the present invention. Therefore, the present invention is not limited by the specific embodiments disclosed below.

[0021] An embodiment of the present application provides an oiling mechanism for a tap in a nut tapping machine. Please refer to Figures 1 - 7 : It includes a body 1 and a fixture seat 2 fixedly installed on the body 1; A plurality of nut fixtures 3 are connected to the fixture seat 2, and a plurality of tap drive parts 4 are provided on the body 1; It further includes: a moving drive part, an oiling part for the tap, and a recycling component 7; The moving drive part includes a fixed support 8, an auxiliary support 9, a linear drive element 10, and a moving component 11. The fixed support 8 is fixedly installed on the body 1, the auxiliary support 9 is fixedly connected to the rear end of the fixed support 8, the linear drive element 10 is fixedly installed on the auxiliary support 9, and the linear drive element 10 is used to drive the moving component 11 to move linearly.

[0022] The oiling part for the tap includes a tapping oil storage hopper 12 fixedly installed on one side of the body 1 and an oiling component 13.

[0023] Specifically, in actual applications, the nut to be tapped is placed on the nut fixture 3, and the nut is clamped by the nut fixture 3. The operator places the tap on the nut and controls the rise of the tap drive part 4 by stepping on the pedal. When the pedal is released, the tap drive part 4 descends and connects with the tap. The tap drive part 4 drives the tap to rotate and move downward simultaneously to tap the nut. This technology is an existing technology, so no detailed description will be given. After the operator steps on the pedal, the tap drive part 4 rises. The operator can place the tap on the nut. At the same time, the linear drive element 10 starts to work. The linear drive element 10 is an electric cylinder, and a hydraulic cylinder or a pneumatic cylinder can also be selected. The output end of the linear drive element 10 contracts to drive the moving assembly 11 to move, moves the moving assembly 11 to the side of the tap, and applies tapping oil on the tap through the oiling assembly 13. There is no need for manual oiling of the tap, which reduces the labor intensity of the operator, improves the work efficiency, avoids forgetting to oil manually, avoids increasing the wear of the tap, and improves the service life of the tap. The recycling assembly 7 collects the tapping oil dripping from the oiling assembly 13, avoids the tapping oil dripping on the machine body, improves the cleanliness of the machine body, can collect the tapping oil, and avoids waste.

[0024] Refer to the attached drawings of the specification Figure 2 , the attached drawings of the specification Figure 3 and the attached drawings of the specification Figure 4 , the moving assembly 11 includes upper guiding through grooves 14 opened on the auxiliary support 9 and the fixed support 8. A plurality of lower guiding through grooves 15 are provided on the fixture seat 2. The lower guiding through grooves 15 are located on one side of the nut fixture 3. The lower guiding through grooves 15 are vertically opposite to the upper guiding through grooves 14 in terms of size and position. A moving pipe fitting 16 is provided between the lower guiding through grooves 15 and the upper guiding through grooves 14. Both ends of the moving pipe fitting 16 respectively penetrate through the lower guiding through grooves 15 and the upper guiding through grooves 14. A guiding slider 17 is sleeved on the upper end of the moving pipe fitting 16. The bottom surface of the guiding slider 17 is in sliding contact with the fixed support 8 and the auxiliary support 9. The output end of the linear drive element 10 is fixedly connected to the guiding slider 17, and the linear drive element 10 drives the guiding slider 17 to move linearly.

[0025] Specifically, in actual applications, after the operator steps on the pedal, the tap drive part 4 rises. At the same time, the linear drive element 10 starts to work. The output end of the linear drive element 10 contracts to drive the guiding slider 17 to slide along the surfaces of the fixed support 8 and the auxiliary support 9. The guiding slider 17 drives the moving pipe fitting 16 to slide along the lower guiding through grooves 15 and the upper guiding through grooves 14. The moving pipe fitting 16 moves to one side of the fixture seat 2. The oiling assembly 13 on the fixture seat 2 contacts the tap. After 2 to 3 seconds, the output end of the linear drive element 10 extends in and drives the moving pipe fitting 16 to reset through the guiding slider 17, without the need for manual operation, which reduces the labor intensity of the operator.

[0026] Refer to the attached drawings of the specification Figure 1 , the attached drawings of the specificationFigure 5 and the attached specification Figure 6 , the oiling assembly 13 includes an oiling brush 18 fixedly connected to one side of the movable pipe fitting 16. An oil delivery cavity 19 is arranged inside the upper end of the movable pipe fitting 16. One side of the movable pipe fitting 16 is fixedly connected with an oil delivery hard pipe 20. The oil delivery hard pipe 20 is obliquely arranged. The upper end of the oil delivery hard pipe 20 is communicated with the oil delivery cavity 19. The end of the oil delivery hard pipe 20 is connected with an oil outlet nozzle 21. The oil outlet nozzle 21 is located above the bristles of the oiling brush 18. The top end of the movable pipe fitting 16 is connected with an oiling pipe fitting 22. An oil delivery hose 23 is communicated between adjacent oiling pipe fittings 22. An oil supply hose 24 is communicated between one oiling pipe fitting 22 and the tapping oil storage hopper 12.

[0027] Specifically, in actual application, the tapping oil in the tapping oil storage hopper 12 is transported to one oiling pipe fitting 22 through the oil supply hose 24. Multiple oiling pipe fittings 22 are communicated through the oil delivery hose 23 to transport the tapping oil into the oil delivery cavity 19 on the movable pipe fitting 16. The tapping oil in the oil delivery cavity 19 then drips onto the bristles of the oiling brush 18 through the oil delivery hard pipe 20 and the oil outlet nozzle 21. When the movable pipe fitting 16 moves to one side of the nut fixture 3, the bristles of the oiling brush 18 on the side of the movable pipe fitting 16 contact the tap. The tap rotates through the tap transmission part 4. The tapping oil can be evenly applied to the tap through the bristles of the oiling brush 18, eliminating the need for manual oiling, reducing the labor intensity of workers, and improving work efficiency.

[0028] Refer to the attached specification Figure 2 、the attached specification Figure 5 and the attached specification Figure 6 , the recycling assembly 7 includes a recycling cavity 25 arranged inside the lower end of the movable pipe fitting 16. A fixed opening 26 is arranged on one side of the recycling cavity 25. A rotating sleeve 27 is rotatably connected to the movable pipe fitting 16. The rotating sleeve 27 is located below the oiling brush 18. A recycling hard pipe 28 is communicated with the rotating sleeve 27. The recycling hard pipe 28 is obliquely arranged. One end of the recycling hard pipe 28 penetrates through the fixed opening 26 and extends into the recycling cavity 25. The other end of the recycling hard pipe 28 is fixedly connected with a U-shaped oil receiving plate 29. The U-shaped oil receiving plate 29 is located below the oiling brush 18. A limiting disk 30 is fixedly sleeved on the lower end of the movable pipe fitting 16. The limiting disk 30 is located below the rotating sleeve 27. A reset torsion spring 31 is sleeved on the movable pipe fitting 16. Two ends of the reset torsion spring 31 are respectively connected with the limiting disk 30 and the rotating sleeve 27.

[0029] Specifically in actual applications, the U-shaped oil receiving plate 29 is located below the upper oil brush 18. The tapping oil dripping from the upper oil brush 18 falls on the U-shaped oil receiving plate 29. The U-shaped oil receiving plate 29 and the recovery hard pipe 28 are arranged obliquely. The tapping oil received by the U-shaped oil receiving plate 29 flows into the recovery cavity 25 through the recovery hard pipe 28 along the oblique direction. When the moving pipe fitting 16 moves to make the upper oil brush 18 contact the tap, the U-shaped oil receiving plate 29 also contacts the tap. The U-shaped oil receiving plate 29 and the recovery hard pipe 28 can rotate through the rotating sleeve 27. The end of the recovery hard pipe 28 rotates in the fixed opening 26. When the rotating sleeve 27 rotates, it applies torque to the reset torsion spring 31. The U-shaped oil receiving plate 29 and the recovery hard pipe 28 can rotate through the rotating sleeve 27, which will not affect the contact between the upper oil brush 18 and the tap and will not affect the oiling of the tap. When the moving pipe fitting 16 resets, under the action of the reset torsion spring 31, the rotating sleeve 27 resets and drives the recovery hard pipe 28 and the U-shaped oil receiving plate 29 to rotate. The U-shaped oil receiving plate 29 resets below the upper oil brush 18, and the tapping oil dripping from the upper oil brush 18 is received by the U-shaped oil receiving plate 29, avoiding the tapping oil from dripping on the machine body, improving the cleanliness of the machine body, avoiding the mixing of waste chips generated by tapping with the tapping oil, and avoiding the waste chips sticking to the machine body through the tapping oil, which is convenient for the later cleaning and collection of waste chips.

[0030] Refer to the attached Figure 1 and the attached Figure 7 The recovery assembly 7 further includes a recovery storage oil tank 32. The recovery storage oil tank 32 is placed on the ground on one side of the machine body 1. One side of the machine body 1 is fixedly connected with a fixing part 33. One end of the fixing part 33 is connected with a clamp 34. The bottom end of the moving pipe fitting 16 is connected with an oil drainage pipe fitting 35. An oil drainage hose 36 is communicated between adjacent oil drainage pipe fittings 35. The end of one oil drainage hose 36 is fixed above the recovery storage oil tank 32 through the clamp 34.

[0031] Specifically in actual applications, the tapping oil dripping from the upper oil brush 18 is received by the U-shaped oil receiving plate 29. The tapping oil flows into the recovery cavity 25 through the recovery hard pipe 28. The tapping oil flowing into the recovery cavity 25 flows into the recovery storage oil tank 32 through the oil drainage pipe fitting 35 and the oil drainage hose 36, so that the tapping oil can be collected and waste can be avoided. The end of one oil drainage hose 36 is fixed through the fixing part 33 and the clamp 34, so that the end of one oil drainage hose 36 is above the recovery storage oil tank 32.

[0032] Refer to the attached Figure 2 and the attached Figure 5 A support slider 37 is sleeved on the lower end of the moving pipe fitting 16. The bottom surface of the support slider 37 is in sliding contact with the fixture seat 2. The support slider 37 and the guide slider 17 are fixedly connected with the moving pipe fitting 16 through a slider bolt 38.

[0033] Specifically in practical applications, the supporting slider 37 and the guiding slider 17 are fixedly connected to the moving pipe fitting 16 through slider bolts 38. The bottom surface of the guiding slider 17 is in sliding contact with the fixed support 8 and the auxiliary support 9, and the bottom surface of the supporting slider 37 is in sliding contact with the fixture seat 2. The moving pipe fitting 16 is fixed by the supporting slider 37 and the guiding slider 17. After loosening the slider bolts 38, the moving pipe fitting 16 can be adjusted in height.

[0034] Refer to the attached Figure 2 to the specification, a support plate 39 is fixedly installed on the machine body 1. The support plate 39 is located at the rear end of the tap driving part 4, and the surface of the support plate 39 is connected to the auxiliary support 9.

[0035] Specifically in practical applications, the auxiliary support 9 is strongly supported by the support plate 39, avoiding bending deformation of the auxiliary support 9 and improving its service life.

[0036] Refer to the attached Figure 1 to the specification, there are four moving pipe fittings 16, and the four moving pipe fittings 16 are sequentially shortened from left to right.

[0037] Specifically in practical applications, the four moving pipe fittings 16 are sequentially shortened from left to right, which can make the oil delivery hose 23 and the oil discharge hose 36 in an inclined state, facilitating the delivery and collection of tapping oil and avoiding oil circuit blockage.

[0038] Refer to the attached Figure 1 and the attached Figure 6 to the specification, a main oil supply valve 5 is provided on the oil supply hose 24, and a branch oil supply valve 6 is provided on the oil delivery hard pipe 20.

[0039] Specifically in practical applications, after the tapping machine is started, the main oil supply valve 5 is opened, and the tapping oil in the tapping oil storage hopper 12 is transported through the oil supply hose 24 into the oil delivery cavity 19 in each moving pipe fitting 16. The branch oil supply valves 6 on the oil delivery hard pipe 20 can be opened and closed respectively.

[0040] The technical features of the above embodiments can be combined arbitrarily. For the sake of concise description, not all possible combinations of the technical features in the above embodiments are described. However, as long as the combinations of these technical features do not conflict, they should all be considered as within the scope described in this specification.

[0041] The above embodiments only represent several implementation manners of the present invention. Their descriptions are relatively specific and detailed, but they should not be construed as limiting the scope of the invention patent. It should be noted that for those of ordinary skill in the art, without departing from the concept of the present invention, several deformations and improvements can still be made, and these all belong to the protection scope of the present invention. Therefore, the protection scope of the present invention patent should be subject to the appended claims.

[0042] In the description of the present invention, it should be understood that the orientation or positional relationship indicated by terms such as "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as a limitation to the present invention.

[0043] In addition, the terms "first" and "second" are only used for descriptive purposes and should not be construed as indicating or implying relative importance or implicitly specifying the quantity of the indicated technical features. Thus, features defined with "first" and "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, the meaning of "a plurality of" is at least two, such as two, three, etc., unless otherwise specifically and clearly defined.

[0044] In the present invention, unless otherwise clearly specified and defined, terms such as "mounted", "connected", "coupled", "fixed", etc. should be understood in a broad sense. For example, it may be a fixed connection, a detachable connection, or integrated; it may be a mechanical connection or an electrical connection; it may be directly connected or indirectly connected through an intermediate medium, and it may be the internal communication of two elements or the interaction relationship between two elements, unless otherwise clearly defined. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0045] In the present invention, unless otherwise clearly specified and defined, the first feature being "on" or "under" the second feature may be that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediate medium. Moreover, the first feature being "above", "over" and "on top of" the second feature may be that the first feature is directly above or obliquely above the second feature, or merely indicates that the first feature has a higher horizontal height than the second feature. The first feature being "under", "beneath" and "underneath" the second feature may be that the first feature is directly below or obliquely below the second feature, or merely indicates that the first feature has a lower horizontal height than the second feature.

[0046] It should be noted that when an element is referred to as being "fixed to" or "disposed on" another element, it can be directly on the other element or there can also be an intermediate element. When an element is considered to be "connected to" another element, it can be directly connected to the other element or there may be an intermediate element at the same time. The terms "vertical", "horizontal", "upper", "lower", "left", "right" and similar expressions used herein are for illustrative purposes only and do not represent the only implementation.

Claims

1. A tap oiling mechanism for a nut tapping machine, comprising a machine body (1) and a fixture seat (2) fixedly installed on the machine body (1); A plurality of nut fixtures (3) are connected to the fixture seat (2), and a plurality of tap driving parts (4) are provided on the machine body (1); It is characterized in that It further includes: a moving driving part, a tap oiling part and a recovery assembly (7); The moving driving part includes a fixed support (8), an auxiliary support (9), a linear driving element (10) and a moving assembly (11). The fixed support (8) is fixedly installed on the machine body (1), the auxiliary support (9) is fixedly connected to the rear end of the fixed support (8), the linear driving element (10) is fixedly installed on the auxiliary support (9), and the linear driving element (10) is used to drive the moving assembly (11) to move linearly; The tap oiling part includes a tapping oil storage hopper (12) fixedly installed on one side of the machine body (1) and an oiling assembly (13).

2. The tap oiling mechanism for a nut tapping machine according to claim 1, wherein, The moving assembly (11) includes upper guiding through grooves (14) opened on the auxiliary support (9) and the fixed support (8). A plurality of lower guiding through grooves (15) are provided on the fixture seat (2). The lower guiding through grooves (15) are located on one side of the nut fixtures (3). The sizes and positions of the lower guiding through grooves (15) and the upper guiding through grooves (14) are vertically opposite. A moving pipe fitting (16) is provided between the lower guiding through grooves (15) and the upper guiding through grooves (14). The two ends of the moving pipe fitting (16) respectively penetrate through the lower guiding through grooves (15) and the upper guiding through grooves (14). A guiding slider (17) is sleeved on the upper end of the moving pipe fitting (16). The bottom surface of the guiding slider (17) is in sliding contact with the fixed support (8) and the auxiliary support (9). The output end of the linear driving element (10) is fixedly connected to the guiding slider (17), and the linear driving element (10) drives the guiding slider (17) to move linearly.

3. The tapping oil mechanism for a tap used in a nut tapping machine according to claim 2, characterized in that, The oiling assembly (13) includes an oiling brush (18) fixedly connected to one side of the moving pipe fitting (16). An oil delivery cavity (19) is provided inside the upper end of the moving pipe fitting (16). An oil delivery hard pipe (20) is fixedly connected to one side of the moving pipe fitting (16). The oil delivery hard pipe (20) is obliquely arranged. The upper end of the oil delivery hard pipe (20) is communicated with the oil delivery cavity (19). The end of the oil delivery hard pipe (20) is connected with an oil outlet nozzle (21). The oil outlet nozzle (21) is located above the bristles of the oiling brush (18). The top end of the moving pipe fitting (16) is connected with an oiling pipe fitting (22). An oil delivery hose (23) is communicated between adjacent oiling pipe fittings (22). An oil supply hose (24) is communicated between one end of the oiling pipe fitting (22) and the tapping oil storage hopper (12).

4. The tap oiling mechanism for a nut tapping machine according to claim 2, wherein, The recovery component (7) includes a recovery chamber (25) provided inside the lower end of the movable pipe fitting (16). There is a fixed opening (26) on one side of the recovery chamber (25). A rotating sleeve (27) is rotatably connected to the movable pipe fitting (16). The rotating sleeve (27) is located below the upper oil brush (18). A recovery rigid pipe (28) is communicated with the rotating sleeve (27). The recovery rigid pipe (28) is obliquely arranged. One end of the recovery rigid pipe (28) penetrates through the fixed opening (26) and extends into the recovery chamber (25). The other end of the recovery rigid pipe (28) is fixedly connected with a U-shaped oil receiving plate (29). The U-shaped oil receiving plate (29) is located below the upper oil brush (18). A limit disk (30) is fixedly sleeved at the lower end of the movable pipe fitting (16). The limit disk (30) is located below the rotating sleeve (27). A reset torsion spring (31) is sleeved on the movable pipe fitting (16). The two ends of the reset torsion spring (31) are respectively connected with the limit disk (30) and the rotating sleeve (27).

5. The tap oiling mechanism for a nut tapping machine according to claim 4, characterized in that, The recovery component (7) further includes a recovery storage oil tank (32). The recovery storage oil tank (32) is placed on the ground on one side of the machine body (1). A fixing member (33) is fixedly connected to one side of the machine body (1). One end of the fixing member (33) is connected with a clamp (34). The bottom end of the movable pipe fitting (16) is connected with an oil discharge pipe fitting (35). An oil discharge flexible pipe (36) is communicated between adjacent oil discharge pipe fittings (35). The end of one oil discharge flexible pipe (36) is fixed above the recovery storage oil tank (32) through the clamp (34).

6. The tapping oil mechanism for a tap used in a nut tapping machine according to claim 1, characterized in that, A support slider (37) is sleeved at the lower end of the movable pipe fitting (16). The bottom surface of the support slider (37) is in sliding contact with the fixture seat (2). The support slider (37) and the guide slider (17) are fixedly connected to the movable pipe fitting (16) through slider bolts (38).

7. The tap oiling mechanism for a nut tapping machine according to claim 1, wherein, A support plate (39) is fixedly installed on the machine body (1). The support plate (39) is located at the rear end of the tap transmission part (4). The surface of the support plate (39) is connected with the auxiliary support (9).

8. The tapping oil mechanism for a tap used in a nut tapping machine according to claim 2, wherein, There are four movable pipe fittings (16), and the four movable pipe fittings (16) are successively shortened from left to right.

9. The tap oiling mechanism for a nut tapping machine according to claim 3, characterized in that, A total oil supply valve (5) is provided on the oil supply flexible pipe (24), and a branch oil supply valve (6) is provided on the oil transmission rigid pipe (20).

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