Pneumatic tapping machine capable of automatic feeding

Abstract

The present invention provides a pneumatic tapping machine capable of automatic feeding, which relates to the field of nut production. The pneumatic tapping machine capable of automatic feeding includes a tapping device, a gas source device and a feeding machine. The gas source device is arranged on one side of the tapping device. The feeding machine is fixed at the upper end of the gas source device. A feeding track is extended and arranged at the upper end of the feeding machine, and the feeding track extends into the tapping device. The tapping device includes a first outer shell. A material pipe is arranged inside the first outer shell. The material pipe is located directly below the end of the feeding track. A collar is arranged on the lower side wall of the material pipe. A first stop block and a second stop block are arranged inside the collar. Both the first stop block and the second stop block penetrate and extend into the material pipe, and an upward inclined surface is arranged at the end of the second stop block. By placing the nut in the material pipe, the positioning and fixing of the nut are simple, and the volume of the device is reduced.

Description

Technical Field

[0001] The present invention relates to the technical field of nut production, and specifically to a pneumatic tapping machine capable of automatic feeding. Background Art

[0002] A nut is a part that tightly connects mechanical equipment. Through the internal thread, nuts and bolts of the same specification can be connected together. In nut production, it is pre-formed, then drilled, and a tapping operation is performed on the inner wall of the hole.

[0003] For the patent theme "A pneumatic tapping machine capable of automatic feeding" with the application number "CN202110266525.X", it realizes multi-station processing of nuts through a feeding tray, but the feeding tray has the problem of occupying a large space. Summary of the Invention

[0004] (1) Technical Problems to be Solved

[0005] In view of the deficiencies of the prior art, the present invention provides a pneumatic tapping machine capable of automatic feeding, which solves the problems of inconvenient fixation of existing nuts and large occupied space.

[0006] (2) Technical Solutions

[0007] To achieve the above objectives, the present invention is realized through the following technical solutions: A pneumatic tapping machine capable of automatic feeding, including: a tapping device, a gas source device, and a feeding machine. The gas source device is arranged on one side of the tapping device, the feeding machine is fixed on the upper end of the gas source device, an upper feeding track is extended at the upper end of the feeding machine, and the upper feeding track extends into the interior of the tapping device. The tapping device is used for nut tapping, the gas source device is used to supply the pressure source for the tapping device, the feeding machine is used to send nuts into the tapping device. At the same time, the feeding machine uses a vibrating feeding method, and the upper feeding track can just hold the nuts.

[0008] The tapping device includes a first housing. Inside the first housing, there is a material pipe, which is directly below the end of the upper feeding track. The top wall of the first housing is fixedly connected with a second cylinder. The lower end of the second cylinder extends with a second telescopic rod, which is directly above the material pipe. The bottom of the first housing is fixedly connected with a first cylinder. The upper end of the first cylinder extends with a first telescopic rod, and the upper end of the first telescopic rod is fixedly connected with a pneumatic motor. The output end of the pneumatic motor is fixedly connected with a tapping drill, and the tapping drill is directly below the material pipe. The tapping drill is sent into the interior of the material pipe through the first cylinder for tapping treatment. At the same time, the nuts are arranged in sequence in the material pipe, making the fixation of the nuts simple, and this structure can greatly reduce the volume of the tapping device.

[0009] A collar is provided on the lower side wall of the material pipe. Inside the collar, a first stop block and a second stop block are provided. Both the first stop block and the second stop block penetrate and extend into the interior of the material pipe, and the end of the second stop block is provided with an upward inclined surface. One end of the second stop block is provided with a second spring, and the other end of the second spring abuts against the inner wall of the collar. One end of the first stop block is fixedly connected to an armature, the other end of the armature is fixedly connected to a first spring, and the other end of the first spring abuts against the collar. A coil is inserted through the armature, and the coil is fixed on the collar. That is, the nut can cross over the second stop block under the action of the inclined surface and be blocked by the first stop block. During the tapping process, the second stop block blocks the nut to prevent it from moving upward. After the tapping is completed, the coil tube causes the armature to pull the first stop block to move. At this time, the tapped nut falls without obstruction. When tapping again, the second telescopic rod extends to press the nut on the upper part of the material pipe, pressing the lowermost nut onto the second stop block. During the falling process, the nut is prevented from falling onto the tapping drill. An air outlet can be provided on one side of the material to blow the falling nut away from the tapping drill.

[0010] Preferably, the air source device includes a second housing. A gas pump is fixedly connected to the inner bottom of the second housing. A gas storage cylinder is fixedly connected inside the second housing. The output end of the gas pump is fixedly connected to a main pipe, and the other end of the main pipe is fixedly connected to the gas storage cylinder. The gas pump operates to temporarily store gas in the outlet pipe to ensure the normal operation of the tapping equipment.

[0011] Preferably, the side wall of the second cylinder is fixedly connected to a first pipe and a second pipe. The other ends of the first pipe and the second pipe are both fixedly connected to a first reversing valve, and the input end of the first reversing valve is connected to the main pipe. It is used for supplying gas to the second cylinder, and at the same time, the first reversing valve is used to control the extension and retraction of the second telescopic rod.

[0012] Preferably, the side wall of the pneumatic motor is fixedly connected to a third pipe and a fourth pipe. The other ends of the third pipe and the fourth pipe are both fixedly connected to a second reversing valve, and the input end of the second reversing valve is connected to the main pipe. It is used for supplying gas to the pneumatic motor, and at the same time, the second reversing valve is used to control the rotation direction of the tapping drill.

[0013] Preferably, the front reserve of the first cylinder is fixedly connected to a fifth pipe and a sixth pipe. The other ends of the fifth pipe and the sixth pipe are both fixedly connected to a third reversing valve, and the input end of the third reversing valve is connected to the main pipe. It is used for supplying gas to the first cylinder, and at the same time, the third reversing valve is used to control the extension and retraction of the first telescopic rod.

[0014] Preferably, a water pump is fixedly connected to the interior of the first housing, a water pipe is fixedly connected to the output end of the water pump, the other end of the water pipe is fixedly connected to the second telescopic rod, a nozzle is fixedly connected to the middle of the lower end of the second telescopic rod, and the nozzle is connected to the water pipe. The cutting fluid preset at the bottom is sucked by the water pump and sent out from the nozzle to improve the tapping effect and improve the lubrication of the nut to avoid being stuck in the material pipe.

[0015] Preferably, a filter is fixedly connected to the inner wall of the first shell, the filter is tilted, and the tapping drill passes through the middle of the filter. The filter is located below the material pipe and is used to receive the nut. At the same time, the cutting fluid flows back to the bottom of the first shell.

[0016] Preferably, the inclined lower part of the filter screen is provided with an opening, and an inclined discharge plate is fixedly connected to the opening, and a material box is provided on one side of the first shell, and the material box is located below the discharge plate. The nut filter screen slides up to the discharge plate and finally slides into the material box.

[0017] Preferably, a connecting rod is fixedly connected to the side wall of the material pipe, and the other end of the connecting rod is fixedly connected to the inner wall of the first shell, which is used to fix the material pipe.

[0018] Preferably, the inner through hole of the material pipe is set to a regular hexagon and matches the processed nut, so as to limit the position of the nut and prevent the nut from rotating with the tapping drill during the tapping process.

[0019] (III) Beneficial effects

[0020] The present invention provides a pneumatic tapping machine capable of automatic feeding, which has the following beneficial effects:

[0021] 1. The present invention is provided with a material pipe, the nut enters from the material pipe, and the tapping process is performed at the lower part of the material pipe. This structure can greatly reduce the equipment cost and ensure the consistency of the nut tapping.

[0022] 2. The present invention sets the nut in the material tube with the lower hexagon socket. During the tapping process, the tapped nut is located between the first stopper and the second stopper. The fixed limit is simple and the distance between the first stopper and the second stopper is controlled at the same time. The machine can perform the tapping operation on multiple nuts. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 It is a three-dimensional schematic diagram of the present invention;

[0024] Figure 2 It is a cross-sectional schematic diagram of the tapping device of the present invention;

[0025] Figure 3 It is a schematic diagram of the internal structure of the sleeve ring of the present invention;

[0026] Figure 4 Schematic cross-sectional view of the air source device of the present invention;

[0027] Figure 5 is Figure 3 Enlarged view at position B in

[0028] Figure 6 is Figure 2 Enlarged view at position A in

[0029] Among them, 1, material box; 2, discharge plate; 3, tapping equipment; 4, air source device; 5, loading machine; 6, loading track; 7, first outer shell; 8, first cylinder; 9, water pump; 10, water pipe; 11, first telescopic rod; 12, pneumatic motor; 13, filter screen; 14, tapping drill; 15, collar; 16, material pipe; 17, second telescopic rod; 18, second cylinder; 19, first pipe; 20, second pipe; 21, connecting rod; 22, third pipe; 23, third pipe; 24, fifth pipe; 25, sixth pipe; 26, first stop block; 27, second spring; 28, second stop block; 29, second outer shell; 30, air pump; 31, main pipe; 32, gas storage cylinder; 33, first reversing valve; 34, second reversing valve; 35, third reversing valve; 36, armature; 37, coil; 38, first spring; 39, nozzle. Specific embodiments

[0030] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0031] Embodiment:

[0032] As Figure 1-6 shown, the embodiment of the present invention provides a pneumatic tapping machine capable of automatic feeding, including tapping equipment 3, an air source device 4, and a loading machine 5. The air source device 4 is arranged on one side of the tapping equipment 3 for supplying the air pressure source for the tapping equipment 3. The loading machine 5 is fixed on the upper end of the air source device 4. An upper loading track 6 extends from the upper end of the loading machine 5 and extends into the tapping equipment 3. The loading machine 5 adopts a vibrating loading tray, and the upper loading track 6 just catches the nut, which is beneficial for the positioning of the nut.

[0033] The tapping device 3 includes a first housing 7. Inside the first housing 7, there is a material pipe 16 for temporarily storing nuts to be tapped. The material pipe 16 is directly below the end of the feeding track 6, that is, the nuts on the feeding track 6 fall into the material pipe 16. A second cylinder 18 is fixedly connected to the upper top wall of the first housing 7. A second telescopic rod 17 extends from the lower end of the second cylinder 18. The second telescopic rod 17 is directly above the material pipe 16. When needed, the second cylinder 18 is started, the second telescopic rod 17 extends, and the nuts in the material pipe 16 are pressed downwards. The bottom of the first housing 7 is fixedly connected to a first cylinder 8. A first telescopic rod 11 extends from the upper end of the first cylinder 8. The upper end of the first telescopic rod 11 is fixedly connected to a pneumatic motor 12. When the first cylinder 8 is started, the pneumatic motor 12 moves up and down. The output end of the pneumatic motor 12 is fixedly connected to a tapping drill 14. The tapping drill 14 is directly below the material pipe 16. During tapping, the pneumatic motor 12 rises, and at the same time, the tapping drill 14 rotates to tap the nuts in the material pipe 16.

[0034] A collar 15 is provided on the lower side wall of the material pipe 16. Inside the collar 15, there are a first stop block 26 and a second stop block 28. The first stop block 26 and the second stop block 28 are used to limit the position of the nuts. At the same time, the distance between the first stop block 26 and the second stop block 28 is a multiple of the height of the nut, that is, several nuts can be tapped in sequence. Both the first stop block 26 and the second stop block 28 extend through to the inside of the material pipe 16, and the end of the second stop block 28 is provided with an upward inclined surface to facilitate the nuts to slide down to the position between the first stop block 26 and the second stop block 28. One end of the second stop block 28 is provided with a second spring 27, and the other end of the second spring 27 abuts against the inner wall of the collar 15. One end of the first stop block 26 is fixedly connected to an armature 36, the other end of the armature 36 is fixedly connected to a first spring 38, and the other end of the first spring 38 abuts against the collar 15. A coil 37 is inserted through the armature 36, and the coil 37 is fixed on the collar 15. The first spring 38 and the second spring 27 are respectively used to maintain the state of the first stop block 26 and the second stop block 28 protruding. At the same time, when the coil 37 is energized, the first stop block 26 can be retracted.

[0035] The air source device 4 includes a second housing 29. A gas pump 30 is fixedly connected to the inner bottom of the second housing 29. A gas storage cylinder 32 is fixedly connected inside the second housing 29. The output end of the gas pump 30 is fixedly connected to a main pipe 31, and the other end of the main pipe 31 is fixedly connected to the gas storage cylinder 32. When the gas pump 30 is started, gas is pumped into the gas storage cylinder 32 through the main pipe 31.

[0036] The side wall of the second cylinder 18 is fixedly connected with a first pipe 19 and a second pipe 20. The other ends of the first pipe 19 and the second pipe 20 are both fixedly connected with a first reversing valve 33. The input end of the first reversing valve 33 is connected to the main pipe 31. Through the first reversing valve 33, the air supply of the second cylinder 18 is realized, and the state of extension or retraction of the second telescopic rod 17 is changed.

[0037] The side wall of the pneumatic motor 12 is fixedly connected with a third pipe 22 and a fourth pipe 23. The other ends of the third pipe 22 and the fourth pipe 23 are both fixedly connected with a second reversing valve 34. The input end of the second reversing valve 34 is connected to the main pipe 31. Through the second reversing valve 34, the air supply of the pneumatic motor 12 is realized, and the rotation direction of the pneumatic motor 12 is changed.

[0038] The forehead reserve of the first cylinder 8 is fixedly connected with a fifth pipe 24 and a sixth pipe 25. The other ends of the fifth pipe 24 and the sixth pipe 25 are both fixedly connected with a third reversing valve 35. The input end of the third reversing valve 35 is connected to the main pipe 31. Through the third reversing valve 35, the air supply of the first cylinder 8 is realized, and the state of extension or retraction of the first telescopic rod 11 is changed.

[0039] A water pump 9 is fixedly connected inside the first housing 7. The output end of the water pump 9 is fixedly connected with a water pipe 10. The other end of the water pipe 10 is fixedly connected to the second telescopic rod 17. The middle part of the lower end of the second telescopic rod 17 is fixedly connected with a nozzle 39. The nozzle 39 is communicated with the water pipe 10. Starting the water pump 9, extracting the cutting fluid preset at the bottom of the first housing 7, conveying it through the water pipe 10, and sending it out from the nozzle 39, which is beneficial to the tapping process.

[0040] A filter screen 13 is fixedly connected to the inner wall of the first housing 7. The filter screen 13 is inclined, and the tapping drill 14 penetrates through the middle of the filter screen 13. The filter screen 13 is located below the material pipe 16. The filter screen 13 intercepts the falling nuts, and the cutting fluid returns to the bottom of the first housing 7.

[0041] An opening is provided at the inclined lower position of the filter screen 13, and an inclined discharge plate 2 is fixedly connected at the opening. A material box 1 is provided on one side of the first housing 7. The material box 1 is located below the discharge plate 2. The nuts falling on the filter screen 13 slide onto the discharge plate 2 and then slide onto the material box 1 again.

[0042] A connecting rod 21 is fixedly connected to the side wall of the material pipe 16. The other end of the connecting rod 21 is fixedly connected to the inner wall of the first housing 7. It is used to fix the material pipe 16.

[0043] The inner through hole of the material pipe 16 is set as a regular hexagon and is matched with the nuts to be processed. To prevent the nuts from rotating during the tapping process.

[0044] Working principle: During use, place the nut in the feeding machine 5, start the feeding machine 5, so that the nut enters the tapping device 3 through the feeding track 6. Under the action of gravity or the clamping of the second telescopic rod 17, it enters the material pipe 16. Before tapping, the second cylinder 18 works, and the second telescopic rod 17 extends to press the nut between the first stop block 26 and the second stop block 28. Then, the first cylinder 8 and the pneumatic motor 12 work. The first telescopic rod 11 lifts the pneumatic motor 12, and the rotating tapping drill 14 rotates and enters the inside of the material pipe 16 for tapping. During the tapping process, the water pump 9 works to send the cutting fluid out from the nozzle 39. After tapping, the pneumatic motor 12 resets, and the coil 37 is energized. The first stop block 26 retracts, and the tapped nut falls onto the filter screen 13 and rolls into the material box 1 by means of the discharge plate 2.

[0045] Although the embodiments of the present invention have been shown and described, for those of ordinary skill in the art, it can be understood that various changes, modifications, substitutions, and variations can be made to these embodiments without departing from the principles and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A pneumatic tapping machine capable of automatically feeding materials, characterized in that, Including: A tapping device (3), a gas source device (4) and a feeding machine (5). The gas source device (4) is arranged on one side of the tapping device (3). The feeding machine (5) is fixed at the upper end of the gas source device (4). A feeding track (6) extends from the upper end of the feeding machine (5) and extends into the tapping device (3). The tapping device (3) includes a first housing (7). Inside the first housing (7), there is a material pipe (16). The material pipe (16) is directly below the end of the feeding track (6). A second cylinder (18) is fixedly connected to the upper top wall of the first housing (7). A second telescopic rod (17) extends from the lower end of the second cylinder (18). The second telescopic rod (17) is directly above the material pipe (16). A first cylinder (8) is fixedly connected to the bottom of the first housing (7). A first telescopic rod (11) extends from the upper end of the first cylinder (8). The upper end of the first telescopic rod (11) is fixedly connected to a pneumatic motor (12). The output end of the pneumatic motor (12) is fixedly connected to a tapping drill (14). The tapping drill (14) is directly below the material pipe (16). The lower side wall of the material pipe (16) is provided with a collar (15). Inside the collar (15), a first stopper (26) and a second stopper (28) are arranged. Both the first stopper (26) and the second stopper (28) penetrate and extend into the interior of the material pipe (16). The end of the second stopper (28) is provided with an upward inclined surface. One end of the second stopper (28) is provided with a second spring (27), and the other end of the second spring (27) abuts against the inner wall of the collar (15). One end of the first stopper (26) is fixedly connected to an armature (36), the other end of the armature (36) is fixedly connected to a first spring (38), and the other end of the first spring (38) abuts against the collar (15). A coil (37) is inserted through the armature (36), and the coil (37) is fixed to the collar (15). The air source device (4) includes a second housing (29). A gas pump (30) is fixedly connected to the inner bottom of the second housing (29). A gas storage cylinder (32) is fixedly connected inside the second housing (29). The output end of the gas pump (30) is fixedly connected to a main pipe (31), and the other end of the main pipe (31) is fixedly connected to the gas storage cylinder (32). The side wall of the second cylinder (18) is fixedly connected to a first pipe (19) and a second pipe (20). The other ends of the first pipe (19) and the second pipe (20) are both fixedly connected to a first reversing valve (33). The input end of the first reversing valve (33) is connected to the main pipe (31). The side wall of the pneumatic motor (12) is fixedly connected to a third pipe (22) and a fourth pipe (23). The other ends of the third pipe (22) and the fourth pipe (23) are both fixedly connected to a second reversing valve (34). The input end of the second reversing valve (34) is connected to the main pipe (31). The side wall of the first cylinder (8) is fixedly connected to a fifth pipe (24) and a sixth pipe (25). The other ends of the fifth pipe (24) and the sixth pipe (25) are both fixedly connected to a third reversing valve (35). The input end of the third reversing valve (35) is connected to the main pipe (31). The internal through hole of the material pipe (16) is in a regular hexagon shape and is matched with the nuts to be processed.

2. The pneumatic tapping machine capable of automatic feeding according to claim 1, characterized in that: A water pump (9) is fixedly connected inside the first housing (7). The output end of the water pump (9) is fixedly connected to a water pipe (10). The other end of the water pipe (10) is fixedly connected to the second telescopic rod (17). The middle part of the lower end of the second telescopic rod (17) is fixedly connected to a nozzle (39), and the nozzle (39) is communicated with the water pipe (10).

3. The pneumatic tapping machine capable of automatic feeding according to claim 1, characterized in that: A filter screen (13) is fixedly connected to the inner wall of the first housing (7). The filter screen (13) is inclined, and the tapping drill (14) penetrates through the middle of the filter screen (13). The filter screen (13) is located below the material pipe (16).

4. The pneumatic tapping machine capable of automatic feeding according to claim 3, characterized in that: An opening is provided at the inclined lower position of the filter screen (13), and an inclined discharge plate (2) is fixedly connected to the opening. A material box (1) is provided on one side of the first housing (7), and the material box (1) is located below the discharge plate (2).

5. The pneumatic tapping machine capable of automatic feeding according to claim 1, wherein: A connecting rod (21) is fixedly connected to the side wall of the material pipe (16), and the other end of the connecting rod (21) is fixedly connected to the inner wall of the first housing (7).

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