CN220073482U

CN220073482U - Nut tapping device

Info

Publication number: CN220073482U
Application number: CN202320954396.8U
Authority: CN
Inventors: 张帅博
Original assignee: Ganzhou Quansheng Technology Co ltd
Current assignee: Ganzhou Quansheng Technology Co ltd
Priority date: 2023-04-25
Filing date: 2023-04-25
Publication date: 2023-11-24
Anticipated expiration: 2033-04-25

Abstract

The utility model relates to the field of nut production devices, in particular to a nut tapping device, which comprises a frame, wherein an air cylinder I is fixed on the frame, the tail end of a piston rod of the air cylinder I is fixedly provided with a sliding plate, through holes penetrating through the sliding plate are uniformly formed in the sliding plate, a discharging pipe is fixedly arranged on the sliding plate above the through holes, a jacking motor is fixedly arranged on the frame below the sliding plate, a sliding table is arranged above the jacking motor, a screw rod is fixedly arranged at the output end of the jacking motor, the screw rod penetrates through the sliding table and is in threaded connection with the sliding table, ejector rods are fixedly arranged at positions, corresponding to the discharging pipe, of the sliding table, ejector blocks are fixedly arranged at the tops of the ejector rods, air cylinders II are symmetrically fixed on the two sides of the frame above the sliding plate, the tail end of the piston rod of the air cylinder II is fixedly provided with an air cylinder III, the tail end of the piston rod of the air cylinder III is fixedly connected with a pushing plate, and limiting grooves are formed in positions, corresponding to the discharging pipe, on the pushing plate. The device can realize tapping operation on a plurality of nut blanks at one time.

Description

Nut tapping device

[ field of technology ]

The utility model relates to the field of nut production devices, in particular to a nut tapping device.

[ background Art ]

Nuts, also called nuts, are parts which are screwed together with bolts or screws for tightening, and are a component which is necessary for all manufacturing machines. According to the different materials, the materials are classified into carbon steel, stainless steel, nonferrous metals (such as copper) and the like.

Nuts are generally tapped with a nut tapping machine, which is a machining device for machining internal threads, screws or buttons on the inner side surfaces of holes of various parts such as nuts, flanges and the like with through holes or blind holes of various specifications, and functions like tapping internal threads with a tap. At present, a common thread tapping machine is like a patent application number CN201911298089.3, wherein an automatic hexagonal nut tapping device is disclosed, nuts are divided into single nuts through a vibrating plate and then are conveyed to the positions of tapping components, the nuts are tapped through the tapping components, but the tapping device can only tap one nut blank at a time, and the production efficiency of the nuts is low.

The utility model is researched and proposed for overcoming the defects of the prior art.

[ utility model ]

The utility model aims to overcome the defects of the prior art and provides a nut tapping device.

The utility model can be realized by the following technical scheme:

the utility model discloses a nut tapping device, which comprises a frame, wherein an air cylinder I is fixed on the frame, the tail end of a piston rod of the air cylinder I is fixedly provided with a sliding plate, through holes penetrating through the sliding plate are uniformly formed in the sliding plate, a discharging pipe is fixedly arranged on the sliding plate above the through holes, a jacking motor is fixedly arranged on the frame below the sliding plate, a sliding table is arranged above the jacking motor, a screw rod is fixedly arranged at the output end of the jacking motor, the screw rod penetrates through the sliding table and is in threaded connection with the sliding table, ejector rods are fixedly arranged at positions corresponding to the discharging pipe on the sliding table, ejector blocks are fixedly arranged at the top of the ejector rods, air cylinders II are symmetrically fixed at the tail ends of the piston rods of the air cylinders II, the tail ends of the piston rods of the air cylinders III are fixedly connected with a pushing plate, limit grooves are uniformly arranged at positions corresponding to the discharging pipe on the pushing plate, a supporting plate matched with the pushing plate is fixedly arranged on the frame above the supporting plate, a lifting motor is fixedly arranged below the lifting motor, the lifting plate penetrates through the sliding table and is in threaded connection with the sliding table, a thread of the lifting motor is fixedly arranged at the position corresponding to the threaded rod, and is fixedly provided with the tail end of the lifting pipe, and is fixedly threaded on one side of the sliding rod. Stacking blanks to be tapped in each discharging pipe, starting a cylinder I, extending a piston rod on the cylinder I, starting a material ejection motor after the discharging pipe reaches a position between a push plate and a sliding table, driving a screw rod to rotate by the material ejection motor, driving a screw rod to move in the direction of the screw rod when the screw rod passes through the sliding table and is in threaded connection with the sliding table, moving a push rod on the sliding table along with the sliding table, entering each discharging pipe after the push rod passes through a through hole at a corresponding position, pushing the blanks to rise in the discharging pipe after the push rod contacts with nut blanks, starting a cylinder II after the uppermost layer of blanks in the discharging pipe enter a limit groove on the push plate, extending the piston rod on the cylinder II, moving the push plate, moving the blanks in the limit groove along with the push plate, starting a lifting motor after the blanks reach a position right below a tapping rod, driving a screw rod to rotate by the lifting motor, and when the screw rod rotates due to threaded connection of the screw rod and the limit pipe, the limiting pipe moves in the screw rod direction, the lifting plate descends, the tapping motor drives each tapping rod to rotate, the tapping rod is contacted with the central hole of the blank to perform tapping operation on the blank, the tapping motor drives the tapping rod to reversely rotate, the lifting motor drives the screw rod to reversely rotate, the tapping rod is separated from the blank, the cylinder III is started, the piston rod on the cylinder III is extended, the push plate moves, the piston rod on the push plate is separated from the supporting plate, the piston rod on the cylinder IV is extended, the slide block descends, the ejector tube enters into the limiting groove to eject a tapped nut, the cylinder IV is started again after the nut is ejected, the piston rod on the cylinder IV is shortened, the ejector tube is separated from the push plate, the cylinder II is started again, the piston rod on the cylinder II is shortened, the piston rod on the cylinder III is shortened, the push plate returns to the initial position, the ejector motor is started again, the ejection motor drives the screw rod to rotate a certain number of turns again, the uppermost blank in the discharging pipe enters the limit groove of the push plate again, and the circulation operation is carried out, so that the device can realize tapping operation on a plurality of nut blanks once, and the lifting motor drives the screw rod to rotate so as to drive the tapping rod to descend, so that the descending speed of the tapping rod is consistent with the upper screw pitch of the tapping rod, and when the tapping rod taps, the displacement of the tapping rod is consistent with the screw pitch of the tapping rod, and the abrasion of the tapping rod is reduced.

Preferably, the push plates above the limit grooves are all fixed with limit rings. Through setting up spacing ring and spacing to the blank, avoid the blank to follow and attack the tooth pole and remove, lead to attacking tooth pole wearing and tearing.

Preferably, the support plate is provided with avoidance holes at positions corresponding to the tapping rods. The tapping rod completely penetrates through the blank through the avoidance hole.

Preferably, the output end of the tapping motor is fixed with a main chain wheel, the positions of the tapping rod corresponding to the main chain wheel are all fixed with a secondary chain wheel, and the main chain wheel is in wound connection with the secondary chain wheel through a chain. The chain is matched with the slave chain wheel to drive the tapping rod to rotate, so that the tapping motor can accurately control the tapping rods to rotate.

Preferably, the lifting plate is also fixed with a limiting pipe, the frame is also fixed with a limiting rod, and the limiting rod is in sliding connection with the limiting pipe.

Preferably, one end of the material ejection pipe is connected with the air pump, and a plurality of air holes are further formed in the other end of the material ejection pipe. After the material ejection pipe enters the limiting groove, high-pressure gas compressed by the air pump is ejected through the air hole, and scrap iron in the limiting groove is cleaned through the high-pressure gas.

Compared with the prior art, the utility model has the following advantages:

the device can realize tapping operation on a plurality of nut blanks at one time, and drives the tapping rod to descend through the rotation of the lifting motor driving screw, so that the descending speed of the tapping rod is consistent with the upper thread pitch of the tapping rod, and when the tapping rod is tapped, the displacement of the tapping rod is consistent with the thread pitch of the tapping rod, and the abrasion of the tapping rod is reduced.

[ description of the drawings ]

The utility model is described in further detail below with reference to the attached drawing figures, wherein:

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic view of another angle structure of the present utility model;

FIG. 3 is an enlarged view at B in FIG. 2;

FIG. 4 is a front view of the present utility model;

FIG. 5 is a cross-sectional view taken at A-A of FIG. 4;

FIG. 6 is an enlarged view of FIG. 5 at C;

in the figure: 1. a frame; 2. a liftout motor; 3. a screw rod; 4. a sliding table; 5. a push rod; 6. a top block; 7. a cylinder I; 8. a slide plate; 9. discharging pipes; 10. a through hole; 11. blank material; 12. a cylinder II; 13. a cylinder III; 14. a push plate; 15. a limit groove; 16. a limiting ring; 17. a support plate; 18. avoidance holes; 19. a lifting plate; 20. tapping rod; 21. tapping motor; 22. a main sprocket; 23. a slave sprocket; 24. a chain; 25. a threaded tube; 26. a lifting motor; 27. a screw; 28. a limiting tube; 29. a limit rod; 30. a cylinder IV; 31. a slide block; 32. a material ejection pipe; 33. air holes;

[ detailed description ] of the utility model

Embodiments of the present utility model will be described in detail below with reference to the attached drawings:

example 1:

as shown in fig. 1 to 6, this embodiment discloses a nut tapping device, which comprises a frame 1, be fixed with cylinder i 7 on frame 1, the piston rod end of cylinder i 7 is fixed with slide 8, evenly be provided with the through-hole 10 that runs through slide 8 on slide 8, all be fixed with blowing pipe 9 on slide 8 of through-hole 10 top, be fixed with liftout motor 2 on frame 1 of slide 8 below, liftout motor 2 top is provided with slip table 4, liftout motor 2 output is fixed with lead screw 3, lead screw 3 passes slip table 4 and with slip table 4 threaded connection, all be fixed with ejector pin 5 on slip table 4 and blowing pipe 9 corresponding position, the ejector pin 5 top all is fixed with kicking block 6, frame 1 symmetry in slide 8 top both sides is fixed with cylinder ii 12, the piston rod end of cylinder ii 12 all is fixed with cylinder iii 13, the piston rod end of cylinder iii 13 all is fixed with push pedal 14, all be provided with spacing groove 15 on the push pedal 14 corresponding position, still be fixed with in frame 1 with liftout motor 17 with push pedal 14 cooperation use, lifter motor 1 top backup pad 17 is fixed with lift motor 26 on backup pad 17, lifter motor 1 top is provided with lift plate 26 below 26 and is provided with screw rod 25 corresponding to the position on the slide 19, the end is fixed with screw rod 25 on the drive ram 25, the end is fixed with tap rod 30 corresponding to the screw rod 25 on the slide rod 20, the end is fixed with the screw rod 30, the end is fixed with the threaded connection on the slide rod is provided with the slide rod is corresponding to the end of cylinder 19, and is provided with the end is screwed rod 25. Stacking blanks 11 to be tapped in each discharge pipe 9, starting the air cylinder I7, extending a piston rod on the air cylinder I7, starting the ejection motor 2 after the discharge pipe 9 reaches a position between the push plate 14 and the sliding table 4, driving the screw rod 3 to rotate by the ejection motor 2, enabling the screw rod 3 to pass through the sliding table 4 and be in threaded connection with the sliding table 4, enabling the sliding table 4 to move in the direction of the screw rod 3 when the screw rod 3 rotates, enabling the ejector rod 5 on the sliding table 4 to move along with the sliding table 4, enabling the ejector block 6 to pass through a through hole 10 at a corresponding position and then enter each discharge pipe 9, enabling the ejector block 6 to contact with a nut blank 11 and then push the blank 11 to rise in the discharge pipe 9, enabling the uppermost blank in the discharge pipe 9 to enter a limit groove 15 on the push plate 14, enabling the air cylinder II 12 to extend the piston rod on the air cylinder II, enabling the push plate 14 to move, enabling the blank 11 in the limit groove 15 to move along with the push plate 14, enabling the blank 11 to reach a support plate 17 under the tap tooth bar 20, the lifting motor 26 is started, the lifting motor 26 drives the screw 27 to rotate, the screw 27 is in threaded connection with the limit pipe 28, when the screw 27 rotates, the limit pipe 28 moves in the direction of the screw 27, the lifting plate 19 descends, the tapping motor 21 drives each tapping rod 20 to rotate, the tapping rod 20 performs tapping operation on the blank 11 after contacting with the central hole of the blank 11, after the blank 11 is tapped, the tapping motor 21 drives the tapping rod 20 to reversely rotate, the lifting motor 26 drives the screw 27 to reversely rotate, after the tapping rod 20 is separated from the blank 11, the cylinder III 13 is started, a piston rod on the cylinder III 13 extends, the push plate 14 moves, a piston rod on the cylinder IV 30 extends after the push plate 14 is separated from the support plate 17, the slide block 31 descends, the ejector pipe 32 enters into the limit groove 15 to eject a tapped nut, and after the nut is ejected, the cylinder IV 30 is started again, the piston rod on the cylinder IV 30 is shortened, the ejector tube 32 is separated from the push plate 14, the cylinder II 12 is started again, the piston rod on the cylinder II 12 is shortened, the cylinder III 13 is started again, the piston rod on the cylinder III 13 is shortened, the push plate 14 returns to the initial position, the ejector motor 2 is started again, the ejector motor 2 drives the screw rod 3 to rotate a certain number of times again, the uppermost blank 11 in the discharge tube 9 enters the limit groove 15 of the push plate 14 again, and the circular operation is realized.

Wherein, dodging holes 18 are arranged on the supporting plate 17 at positions corresponding to the tapping rods 20. The tapping rod 20 completely penetrates the blank 11 by providing the avoidance holes 18.

Wherein, the output end of the tapping motor 21 is fixed with a main chain wheel 22, the tapping rod 20 is fixed with a secondary chain wheel 23 at the position corresponding to the main chain wheel 22, and the main chain 24 is in winding connection with the secondary chain wheel 23 through a chain 24. The chain 24 is matched with the slave chain wheel 23 to drive the tapping rods 20 to rotate, so that the tapping motor 21 can accurately control the tapping rods 20 to rotate.

The lifting plate 19 is also fixed with a limiting pipe 28, the frame 1 is also fixed with a limiting rod 29, and the limiting rod 29 is in sliding connection with the limiting pipe 28.

Example 2:

the embodiment discloses a nut tapping device, on the basis of the structure and principle of embodiment 1, a limiting ring 16 is fixed on a push plate 14 above a limiting groove 15 of the embodiment. By arranging the limiting rings 16 to limit the blank 11, the blank 11 is prevented from moving along with the tapping rod 20, so that the tapping rod 20 is prevented from being worn.

Example 3:

the present embodiment discloses a nut tapping device, based on the structure and principle of embodiment 1 or embodiment 2, one end of the ejector tube 32 of the present embodiment is connected to an air pump (not shown), and a plurality of air holes 33 are further provided on the other end of the ejector tube 32. After the material ejection pipe 32 enters the limit groove 15, high-pressure gas compressed by the air pump is ejected through the air hole 33, and scrap iron in the limit groove 15 is cleaned through the high-pressure gas.

The foregoing is merely a preferred embodiment of the present utility model, and it should be noted that various changes, modifications, substitutions and alterations can be made herein by those skilled in the art without departing from the technical principles of the present utility model, and such changes, modifications, substitutions and alterations are also to be regarded as the scope of the utility model.

Claims

1. The utility model provides a tooth device is attacked to nut, includes frame, its characterized in that: the automatic tapping machine is characterized in that a cylinder I is fixed on the frame, a sliding plate is fixed at the tail end of a piston rod of the cylinder I, through holes penetrating through the sliding plate are uniformly formed in the sliding plate, a discharging pipe is fixed on the sliding plate above the through holes, a supporting plate matched with the pushing plate is fixed on the frame below the sliding plate, a sliding table is arranged above the supporting plate, a screw rod is fixed at the output end of the lifting motor, the screw rod penetrates through the sliding table and is in threaded connection with the sliding table, a push rod is fixed at the position corresponding to the discharging pipe on the sliding table, a jacking block is fixed at the top of the push rod, a cylinder II is symmetrically fixed at the two sides of the frame above the sliding plate, a cylinder III is fixed at the tail end of the piston rod of the cylinder II, a limit groove is formed in the position corresponding to the discharging pipe on the pushing plate, a supporting plate matched with the pushing plate is also fixed on the frame, a lifting motor is fixed on the lifting plate, a threaded pipe is fixed on the lifting plate, a threaded rod is fixed at the tail end of the lifting motor corresponding to the discharging pipe, and the threaded rod is also fixed on one side of the threaded rod corresponding to the threaded rod.

2. The nut tapping apparatus as set forth in claim 1, wherein: and limiting rings are fixed on the push plates above the limiting grooves.

3. The nut tapping apparatus as set forth in claim 1, wherein: and avoidance holes are formed in the supporting plate at positions corresponding to the tapping rods.

4. The nut tapping apparatus as set forth in claim 1, wherein: the gear tapping machine is characterized in that a main chain wheel is fixed at the output end of the gear tapping motor, a slave chain wheel is fixed at the position, corresponding to the main chain wheel, on the gear tapping rod, and the main chain wheel is in wire-wound connection with the slave chain wheel through a chain.

5. The nut tapping apparatus as set forth in claim 1, wherein: the lifting plate is also fixedly provided with a limiting pipe, the frame is also fixedly provided with a limiting rod, and the limiting rod is in sliding connection with the limiting pipe.

6. The nut tapping apparatus as set forth in claim 1, wherein: one end of the material ejection pipe is connected with the air pump, and a plurality of air holes are further formed in the other end of the material ejection pipe.